Internet auxiliary teaching device for Chinese education

The invention discloses a Chinese education internet auxiliary teaching device which comprises a top plate, sliding rails are fixedly arranged on the two sides of the bottom end of the top plate, a rack is fixedly arranged on one side of the bottom end of the top plate, the two sliding rails are slidably connected with corresponding sliding bases, and the multiple sliding bases are fixedly arranged at the top end of a supporting plate; according to the internet auxiliary teaching device for Chinese education, the output end of the driving motor drives a first gear to rotate, so that the supporting plate is driven to move along a sliding rail, the interior of an insertion ring is limited and fixed through a clamping jaw, then a display plate is driven to transversely move at the same time, and the display plate is driven to move along the sliding rail. Due to the fact that the two end sides of the sliding rail and the rack are in an arc shape, when the display board reaches the current position ...

Phosphogypsum machine-made load bearing construction product and method for manufacturing the same

The invention relates to the field of building material, in particular to a machine-made ardealite load bearing building product and a production method thereof. The machine-made ardealite load bearing building product is characterized in that the machine-made ardealite load bearing building product is prepared through the following components in weight portion: 40 to 60 portions of ardealite, 10 to 20 portions of cement, 45 to 15 portions of aggregate, 0.1 to 2 portions of water-proofing agent, and the balance being water which is used to regulate the raw materials to 100 percent. The invention has the advantages that the machine-made ardealite load bearing building product has the utilization rate of ardealite reaching 40 to 60 percent, well solves the problem of water resistance of the ardealite brick, and brings about a wide application range of the product; the production technical process is simple and smooth without steam braising and sintering, thereby simplifying the production ...

12/24kV middle-arranged switch cabinet maintenance platform vehicle

The invention discloses a 12/24kV middle-arranged switch cabinet maintenance platform vehicle. A shelf (2) is arranged on the top part of a vehicle body (1). The two sides of the shelf (2) are respectively provided with a stroke baffle plate (3). The shelf (2) is symmetrically provided with guide rails (4). A height adjusting device is arranged between the shelf (2) and the vehicle body (1) and used for adjusting height of the shelf (2). The side surface of the vehicle body (1) is provided with a control panel (5) which is provided with a switch cabinet integrated indicator (6). A hanging hook (7) is arranged between the bottom part of the shelf (1) and the vehicle body (1). A rotating wheel I (9) is installed on the bottom part of the shelf (2). A spring (12/24) is arranged between the rotating wheel I (9) and the hanging hook (7). A hook body (11) is formed on the other end head of the hanging hook (7) via arrangement. A rotating wheel II (12) is arranged on the middle part of the hanging ...

Double-effect heat supply device of low-temperature superconducting source heat pump

The invention discloses a double-effect heat supply device of a low-temperature superconducting source heat pump. The device comprises an electrostatic low-temperature superconducting heat source tower, a low-temperature potential energy superconducting liquid transfer, an automatic single/double-effect heat pump set, a single-effect slight-cold-grade heat supply circulation, a double-effect great-cold-grade heat supply circulation and a negative-temperature high-humidity heat energy accumulation haze remover, wherein low-temperature nanometer superconducting liquid is filled in the superconducting heat source tower to absorb a haze wet cold heat source in the haze period in winter to realize automatic selection of economical heat supply operation of a single-effect heat pump system in the climate period above -10 DEG C; the heat supply temperature of hot water of 65 DEG C of a coal-fired boiler is reached; and meanwhile, a lot of manual cold sources disturb the atmospheric circulation ...

Composite thermal insulation wall body and method for producing and mounting the same

The present invention relates to a composite insulation wall body, and the production and the installation method thereof. The composite wall body of the present invention is composed of a plurality of single block wall plates and insulation decorative plates. The present invention is characterized in that two adjacent single block wall plates are clamped and arranged among beams or columns; and the insulation decorative plates are embedded and arranged in the space formed between the two adjacent single block wall plates, and are firmly connected with the beams or columns. The present invention has the advantages that the composite wall body of the present invention not only has the performances of energy-saving, insulation, durability, lightweight and strong seismic capability, but also has the excellent fire prevention performance, and plays the good fire prevention protective function to the steel structure, and can be used as a firewall; and the decorative effect with various styles ...

Automatic calibration system and method of resistance absorbing instrument

The invention relates to an absorbing resistance instrument automatic calibration system, which is provided with a gas circuit device and an electric control gear. The gas circuit device comprises a calibration gas circuit and a measuring gas circuit. The calibration gas circuit is provided with two absorbing resistance rod gauge measuring heads. The measuring gas circuit is provided with a sample measuring head. The calibration gas circuit and the measuring gas circuit respectively pass through a motorized valve and a hand-operated valve, and then are connected with a negative pressure vacuum air pump by the same constant flow element and a surge chamber. The constant flow element and the surge chamber are internally provided with a gas differential pressure pickup. The electric control gear is provided with a drawing resistance main control panel, the output end of which is respectively connected with the motorized valve in each gas circuit by a drawing resistance interface board; a serial ...

Method for establishing high-density polyethylene pipeline safety threshold prediction model under action of strong earthquake

The invention provides a method for establishing a high-density polyethylene pipeline safety threshold prediction model under the action of a strong earthquake, and the method comprises the following steps: S1, carrying out the field test of a socket and spigot type high-density polyethylene corrugated pipeline under the action of the strong earthquake, and obtaining the field test data; s2, fitting by using test data to obtain a mathematical prediction model of the interface corner; s3, calculating a vibration speed safety threshold value of the buried high-density polyethylene pipeline under the action of the strong shock load according to an existing polyethylene pipeline construction specification; and S4, establishing a finite element model to verify the mathematical prediction model of the interface corner obtained in the step S2. The method has the beneficial effects that the problem that in the prior art, the damage of the urban buried socket-and-spigot type high-density polyethylene ...

Method for generating electricity with atmosphere pressure

Atmospheric pressure intensity (1 kg/cm2) can lift water to higher level to make it have high-level potential energy, which is then converted into kinetic energy to drive hydrogenerator to generate electricity. It features no consumption of class-one energy, no pollution, and low cost.

Pavement material strength test appearance

The utility model provides a pavement material strength test appearance, includes base, reducing gear box, stand, crossbeam and housing, the base on be provided with the lead screw, the upper end of lead screw install push down fast, push down and set up the stroke on fast and have spacingly, the lead screw on be provided with the lead screw protective sheath, the stand on be provided with the stand protective sheath, the lower extreme of crossbeam be provided with the briquetting, last briquetting on install pressure sensor, lead screw protective sheath and stand protective sheath in all be provided with the spring, the utility model discloses a pavement material strength test appearance, this tester can not only carry out effectual protection to stand and lead screw in the process of the test, still be provided with overload protection simultaneously, has effectively lengthened the life of equipment, practices thrift the cost.

Automatic calibration system and method of resistance absorbing instrument

The invention relates to an absorbing resistance instrument automatic calibration system, which is provided with a gas circuit device and an electric control gear. The gas circuit device comprises a calibration gas circuit and a measuring gas circuit. The calibration gas circuit is provided with two absorbing resistance rod gauge measuring heads. The measuring gas circuit is provided with a sample measuring head. The calibration gas circuit and the measuring gas circuit respectively pass through a motorized valve and a hand-operated valve, and then are connected with a negative pressure vacuum air pump by the same constant flow element and a surge chamber. The constant flow element and the surge chamber are internally provided with a gas differential pressure pickup. The electric control gear is provided with a drawing resistance main control panel, the output end of which is respectively connected with the motorized valve in each gas circuit by a drawing resistance interface board; aserial ...

Meat food preserving agent and its preparing process

An antistaling agent for meat food is prepared from component A including 9 Chinese-medicinal materials such as astragalus root, red tangerine peel, safflower, tuckahoe, dahurian angelica root, etc and component B that is a purified matter from Shaxun through washing and crushing component A and mixing with component B, and features strong killing power to yellow and white mould, retaining the nutrients in food and improving taste.

Planter for bush and flower plantlets

The invention discloses a planter for bush and flower plantlets. The planter is provided with a furrow opener, a covering device and compacting wheels, and is characterized in that: the furrow opener is positioned at the front end of the planter; the covering device is positioned at the back end of the planter; and the compacting wheels are positioned on the front part of the covering device. Through the planter, the problem of over large deviation of spacing in the rows and spacing between rows can be solved effectively, plantlet planting procedures can be combined, plantlet planting time is shortened, plantlet survival rate is increased and pricking rate during planting of stinging bushes can be lowered.

Mould placing rack

The utility model provides a mould placing rack, includes the rack body, the rack body be the support of two symmetric distributions, the rack body on to be provided with the mount framed with to remove the frame framed, the mount framed with rack body welded fastening, the rack body on be provided with two cylindrical slide rails, the framed both ends of removal frame be provided with with slide rail complex through -hole, the framed both ends of mount all be connected with the posting, the posting on be provided with evenly distributed's regulation hole, the framed both ends of removal frame pass through adjusting bolt and cooperate with the regulation hole and be connected, the mount framedly all be provided with the dog with removing the framed corresponding one side of frame, the device can the accurate control briquetting leaks the precision of size outward to convenient operation can satisfy the mould utility of different specifications, has effectively prevented the wearing and ...

Phosphorus thiochloride reation kettle temperature automatic control device

The utility model discloses a phosphorus thiochloride reation kettle temperature automatic control device belongs to phosphorus thiochloride production facility technical field. Temperature sensory control ware (1) in letting in reation kettle (2), temperature sensory control ware (1) is connected with flow control valve (5), flow control valve (5) and steam station (4) intercommunication. This phosphorus thiochloride reation kettle temperature automatic control device has realized the automatic control to phosphorus thiochloride reation kettle temperature, has improved the precision to phosphorus thiochloride reation kettle's temperature management and control, guarantees phosphorus thiochloride overall product's quality, improves the security of operating efficiency and operation simultaneously by a wide margin.

Three-machine cooling unit and cooling method thereof

According to the three-machine cooling unit and the cooling method thereof, cooling water is circularly provided through an arranged circulating water cooling device and used for cooling a to-be-cooled equipment motor, the cooling water enters the circulating water cooling device again after being heated to be cooled into cooling water, the obtained cooling water enters the next cooling circulation, and the steps are repeated, so that the cooling efficiency is improved. Closed circulating cooling is formed; the circulating water cooling device treats the heated water into cooling water in a heat exchange mode, and therefore heat generated by the to-be-cooled equipment motor set is taken away. According to the circulating water cooling device, a traditional open system is changed into a circulating closed system, cooling water is circularly utilized, the purpose of saving water resources is achieved, modular design is conducted in the circulating water cooling device, a plurality of modules ...

WATCH TYPE WARMER FOR INFUSION IN WINTER

This wrist watch type of heater used for infusion in winter is composed of electrothermal wire and its cover, electrothermal plate and its cover, heater seat, ceramic post and its seat, watchband axles, connecting bolts and power source cord. The heater is put on the wrist and infusion tube is embeded in a ring slot of heater, so infusion tube is positioned between electrothermal wire cover and electrothermal plate cover for uniform heating. The infusion liquid may be heated to a temp close to body temp, so eliminating the numbness and swelling of limbs and the stimulation and damage to nervus vascularis system.

Connecting construction method for assembled-type house building

The invention relates to a connecting construction method for a assembled-type house building. The method comprises the following steps of: keeping a distance between adjacent building panels during mounting the building panels; penetrating main reinforcements through hoop reinforcements arranged around the building panels; pouring concrete in the main reinforcements to form composite concrete construction columns and/or composite concrete construction beams in the relationship of composite stressing with steel structures around the building panels; and by the hoop reinforcements and the mainreinforcements around the building panels, firmly and fixedly connecting the concrete with the building panels together, and fixedly connecting the building panels forming a building main body with the base together to bear pressure so as to improve the whole performance and the quake-proof level of the building. The invention has the advantages that the construction is rapid; and by wrapping theexposed ...

Compound floor slab and its production and installation method

The present invention relates to one kind of composite floor slab and its production and installation process. The composite floor slab includes at least two single floor slabs, and features that there are beam connecting piece for connecting and fixing adjacent single floor slabs, steel bar connecting piece on the expose steel truss for connecting and fixing adjacent steel truss, and superposed concrete layer on the single floor slabs for covering the steel truss and the steel bar connecting piece and compounding single floor slabs to form the integral composite floor slab. The composite floor slab with integrated single floor slabs has raised integral strength, high antiseismic capacity and certain heat insulating effect.

Connecting construction method for assembled-type house building

The invention relates to a connecting construction method for a assembled-type house building. The method comprises the following steps of: keeping a distance between adjacent building panels during mounting the building panels; penetrating main reinforcements through hoop reinforcements arranged around the building panels; pouring concrete in the main reinforcements to form composite concrete construction columns and/or composite concrete construction beams in the relationship of composite stressing with steel structures around the building panels; and by the hoop reinforcements and the main reinforcements around the building panels, firmly and fixedly connecting the concrete with the building panels together, and fixedly connecting the building panels forming a building main body with the base together to bear pressure so as to improve the whole performance and the quake-proof level of the building. The invention has the advantages that the construction is rapid; and by wrapping the exposed ...

Modified tea tree lignin flocculating agent and preparation method thereof

The invention discloses a modified tea tree lignin flocculating agent and a preparation method thereof, and belongs to the technical field of sewage treatment. The preparation method breaks a conventional pure polymer synthetic mode for preparing a wastewater flocculating agent, introduces modified tea tree lignin in raw materials for preparing the wastewater flocculating agent to be used as a molecular basic skeleton, increases biodegradability of the conventional flocculating agent, and reduces production cost of the wastewater flocculating agent. The flocculating agent provided by the invention is suitable for various water qualities, and is particularly suitable for instantaneous precipitation of chemical sewage with relatively high content of heavy metals, high-concentration domestic sewage, garbage leachate and backwashing wastewater. The flocculating agent provided by the invention has important environmental, social and economic benefits.

Unearthed ramp structure and construction method thereof

The invention provides an unearthed ramp structure and a construction method thereof. The unearthed ramp structure comprises a foundation pit, a slope unearthed ramp and a slope-free unearthed ramp, wherein one end of the slope unearthed ramp is connected with a foundation pit outlet, and one end of the slope-free unearthed ramp is connected with the slope unearthed ramp. The other end of the slope-free unearthed ramp is connected with a transporting road, three supporting beams for foundation pit supporting are arranged on the outer side of the slope-free unearthed ramp, steel plate piles and a plurality of steel pipe embracing beams symmetrically adhere two outer side walls of the unearthed ramp, one end of each steel pipe embracing beam is fixed on the supporting beam, and the other end of the steel pipe embracing beam abuts against the steel plate pile. Through the ramp arrangement in a slope-free mode, the influence on supporting beam construction caused by the step-slope range of ...

Varactor doublestage heat pump boiler central heating replaces unit

The utility model relates to a heating technique, especially a varactor doublestage heat pump boiler central heating replaces unit. It includes the superconductive heat pump hoisting device of clammy weather phase one -level, cold climate phase second grade high temperature heat pump hoisting device. This device lies in that the higher hot pump performance of clammy weather phase outdoor temperature improves, and the required heating load of building heat supply reduces relatively, and the heat supply temperature can reduce relatively, selects the heat supply of the superconductive heat pump hoisting device of one -level to be favorable to the energy saving to improve hot pump performance, and the built -in low temperature nanometer superconduction liquid of system's adoption absorbs the promotion of the clammy heat source of haze with the cooperation of closed heat source tower and directly is used for heat supply output for high potential energy, the decay of the lower hot pump performance ...

A day bright protective sheath is prevented in winter protection of trees stem

The utility model provides a day bright protective sheath is prevented in winter protection of trees stem, a serial communication port, including protection sleeve body, protection sleeve body is the rectangle, the both ends of protective sheath are equipped with the connecting piece, the protective sheath is fixed bed, heat preservation and coat, the coat is outmost, and the heat preservation is the intermediate level, and the fixed bed is the nexine, the coat is geotechnological fabric one -tenth, the heat preservation is made for the non -woven fabrics, the fixed bed is made for the wire netting, fixed bed, heat preservation and coat form through high -temperature pressing. Operating method is simple for this protective sheath, and low cost can effectual protection trees.

Dephosphorizing flocculating agent and preparation and application thereof

The invention discloses a dephosphorizing flocculating agent, and a preparation and an application thereof, and belongs to the technical field of sewage treatment. Modified chitosan is adopted as a carrier, is matched with a trace of tea polyphenol, gelatin and nano-aluminum powder, and is combined with an electrochemical technique, so as to absorb and participate phosphorous in rural eutrophic water, and macromolecular substances in the sewage are subjected to flocculation degradation. The dephosphorizing flocculating agent has the characteristics of strong flocculation ability, strong phosphorus removal ability, high efficiency and the like, is suitable for various types of water quality, is especially suitable for participation of eutrophic sewage with high phosphorus substance content and removal of phosphorus substances, landfill leachate and backwash waste, is low in cost, and can be recycled.

Shoulder zhou guanjie movement track recording system

The utility model relates to a shoulder zhou guanjie detects technical field, provides shoulder zhou guanjie movement track recording system, include: the orbit marks device and data acquisition device to the data acquisition device is used for gathering the data signal that the orbit marks the device, the orbit marks the device, and including fluorescence generator and wrist fixer, the luminous end of fluorescence generator is outside towards the wrist, and the cover is in the wrist, and the wrist fixer fixes the fluorescence generator at the wrist for the displacement takes place from wrist fixed position for the fluorescence generator when preventing that the arm from lifting up, the data acquisition device for the movement track of continuous shooting fluorescence generator. Also include: central processing unit is connected with the data acquisition device mutually, the memory is connected with central processing unit mutually. The utility model discloses can the accurate the all articular ...

Phosphorus thiochloride raw materials for production metering tank flow automatic control device

The utility model discloses a flow automatic control device of phosphorus thiochloride raw materials for production metering tank belongs to phosphorus thiochloride production facility technical field. Liquid level sensory control ware (1) in letting in metering tank (2), liquid level sensory control ware (1) is connected with flow control valve (4), flow control valve (4) and head tank (6) intercommunication. The flow automatic control device of this phosphorus thiochloride raw materials for production metering tank passes through liquid level sensory control ware and has realized the automatic control to the metering tank flow, has improved the management and control precision to the liquid level of phosphorus thiochloride raw materials for production metering tank filling, has guaranteed that the raw materials liquid level in the metering tank keeps invariable, improves operating efficiency, has guaranteed the security of production.

Water delivery tunnel high density polyethylene waterproofing membrane lays platform truck

The utility model discloses a water delivery tunnel high density polyethylene waterproofing membrane lays platform truck, it includes: platform car frame body, the gyro wheel is installed to platform car frame body's bottom, the gyro wheel make platform car frame body can remove along tunnel extending direction in the water delivery tunnel, first operational layer, first operational layer is installed on the platform car frame body, the second operational layer, the second operational layer is installed on the platform car frame body, and be located the top of first operational layer, the third operational layer, the third operational layer is installed on the platform car frame body, and be located the top of second operational layer. The utility model discloses the foot platform truck need not to build at the position scene of construction, and the engineering time can be saved in the outside equipment of water delivery tunnel to the platform truck for the construction progress. Secondly ...

Fixing device of leading waterstop

The utility model discloses a fixing device of leading waterstop, including rubber waterstop and the mounting of arranging the post -cast strip in, formula rubber waterstop and detachable rubber waterstop are buried to twice about the rubber stagnant water has in being respectively, the mounting is by the frame construction that forms of reinforcing bar fixed bolster, welded steel support and angle steel order coincide from bottom to top, the reinforcing bar fixed bolster is the flute profile, buries formula rubber waterstop during the inslot has been put, welded steel support and reinforcing bar fixed bolster with wide with long, and weld in the top of reinforcing bar fixed bolster, the angle steel storage tank by two symmetrical phases to and the angle steel put constitute, the bottom of angle steel storage tank is arranged in to detachable rubber waterstop to can dismantle with the welded steel support by buried bolt in advance respectively and be connected. The utility model discloses ...

Polygonal star air can absorption tower

The utility model discloses a polygonal star air can absorption tower. It can absorb low warm air can, heat or the polygonal star tower of refrigerated form equipment the air ability absorption equipment formed by the identical fin tubular heat exchanger of a plurality of structural shapes to the air. The utility model relates to a simple structure, flow area is big, and the windage is little, and air distribution is even, and is efficient, in the endothermal while, dust in can also de aeration, the absorption air that purifies ambient air can equipment.

Inspection integrated testing table of cigarette

Flocculating purifying agent for pretreating rural eutrophic wastewater and preparation method of flocculating purifying agent

The invention discloses a flocculating purifying agent for pretreating rural eutrophic wastewater and a preparation method of the flocculating purifying agent, belonging to the technical field of sewage treatment. The invention provides the flocculating purifying agent and in particular relates to a flocculating purifying agent by taking modified chitosan as a carrier. The flocculating purifying agent can be used for pretreating rural eutrophic wastewater and simultaneously deeply removing nitrogen and phosphorus. A traditional pure high polymer synthesis mode for preparing a wastewater flocculating agent is broken, comprehensive modified chitosan is introduced into raw materials for preparing the wastewater flocculating agent to serve as a basic molecular skeleton, the original high polymer materials are partially placed, the dependence of the traditional high polymer wastewater flocculating agent on petroleum resources can be reduced, the biodegradable performance of the traditional flocculating ...

Special-purpose circuit breaker of low-voltage anti-islanding device

The invention discloses a special-purpose circuit breaker of a low-voltage anti-islanding device. The special-purpose circuit breaker includes an anti-islanding closing part and a line protection part. An output end of a current signal acquisition unit in the line protection part is connected with an input end of a single-chip microcomputer control unit. An output end of the single-chip microcomputer control unit is connected with an input end of a fault judgment unit. An output end of the fault judgment unit is connected with an input end of a signal driving unit. An output end of the signal driving unit is connected with a control end of a tripping mechanism. An operation mechanism of the tripping mechanism is in driving connection with a linkage rod, which is arranged on a closing-preventing electromagnet, through a draw bar. The closing-preventing electromagnet is connected with a tripper power supply terminal through a mutual inductor and a control circuit.

Mammary gland care apparatus

The utility model relates to a mammary gland care apparatus, including the cover body, a plurality of cyclic annular LED circuit board and control panel, the cover physical stamina enough covers on the breast, just cover the internal cyclic annular cavity that a plurality of layers of interval set up that is equipped with, follow ascending each layer in cover body opening to bottom side the inside and outside radius of cyclic annular cavity reduces gradually, each cyclic annular LED circuit board is installed respectively in corresponding in the cyclic annular cavity, just cyclic annular LED circuit board includes a plurality of LED cold light sources, control panel and each LED cold light source electricity is connected, just the control panel is used for control the operation of LED cold light source. Consequently, this mammary gland care apparatus makes the LED cold light source that is located the cyclic annular cavity of each layer can shine to the corresponding different zone of breast ...

Composite thermal insulation wall body and method for producing and mounting the same

The present invention relates to a composite insulation wall body, and the production and the installation method thereof. The composite wall body of the present invention is composed of a plurality of single block wall plates and insulation decorative plates. The present invention is characterized in that two adjacent single block wall plates are clamped and arranged among beams or columns; and the insulation decorative plates are embedded and arranged in the space formed between the two adjacent single block wall plates, and are firmly connected with the beams or columns. The present invention has the advantages that the composite wall body of the present invention not only has the performances of energy-saving, insulation, durability, lightweight and strong seismic capability, but alsohas the excellent fire prevention performance, and plays the good fire prevention protective function to the steel structure, and can be used as a firewall; and the decorative effect with various styles ...