Brown coal extrusion dehydration forming machine

The invention relates to the field of extrusion upgrading of brown coal, particularly to a brown coal extrusion dehydration forming machine, which includes a rack, a brown coal hopper, a brown coal discharge hopper, a main shaft, a motor, a main shaft belt pulley, a motor belt pulley, a belt, a bearing pedestal and extrusion devices, wherein the main shaft is mounted on the bearing pedestal, a connecting disc is mounted at the upper end of the main shaft, the connecting disc is connected with the main shaft via a flat key; the two extrusion devices are arranged on the connecting disc; each extrusion device includes an extrusion roll shaft, a bearing, extrusion rolls and extrusion dies; the two extrusion rolls are sleeved with the extrusion dies; each extrusion die comprises an upper pressing board, a lower pressing board and a die board clamped between the upper pressing board and the lower pressing board; each die board comprises multiple die units which are distributed annularly. The ...

Ultralow belt conveyer

The invention relates to an ultralow belt conveyer. The ultralow belt conveyer comprises a machine frame, a conveying belt, a belt supporting device, a tensioning device and a power device, wherein the machine frame comprise an upper machine frame and a lower machine frame, the upper machine frame is arranged obliquely, the lower machine frame is arranged horizontally, the included angle between the upper machine frame and the lower machine frame is smaller than 22 degrees, a belt pressing shaft device is arranged at the junction between the lower machine frame and the upper machine frame, the conveying belt is tightly pressed by the belt pressing shaft device and elevation steering is achieved, the belt pressing shaft device comprises a pair of belt pressing shaft fittings, the belt pressing shaft fittings are arranged at the two sides of the conveying belt respectively, the length of each belt pressing shaft is far smaller than the width of the conveying belt, and each belt pressing shaft ...

Rotating type optical system aligning device and adjusting method thereof

The invention provides a rotating type optical system aligning device and an adjusting method thereof. The device comprises a base, a support, a rotating shaft, an internal focusing centering instrument and a reflecting mirror, wherein an optical axis of the internal focusing centering instrument is overlapped with an axis of the rotating shaft. Firstly, the base and the reflecting mirror are adjusted to enable the optical axis of the internal focusing centering instrument to be coaxial with a given reference axis, then the internal focusing centering instrument is rotated to measure the misalignment rate of an optical apparatus to be adjusted, and finally, the optical apparatus to be adjusted is adjusted to eliminate the misalignment rate and finish the centering operation of the optical apparatus. By the aid of the device and the method, centering operation can be conducted on optical apparatuses through which visible light, infrared light and ultraviolet light transmit, and the device ...

Traction passenger elevator car

The invention discloses a traction passenger elevator car which comprises a frame, an upward elevator mechanism fixedly connected with the frame, a sliding platform arranged on an end portion of the upward elevator mechanism and a hydraulic lifting mechanism arranged in the middle of the frame and fixedly connected with the sliding platform. The lifting mechanism is driven by a hydraulic system to adjust the height of the upward elevator mechanism. A traction handle mechanism is arranged on one end of the frame to stop or start the passenger elevator car and can rapidly brake the car in case of an emergency situation or a stopping situation to protect a car body and prolong the service life of the passenger elevator. The traction handle mechanism is convenient to operate and maintain. As a four-rod mechanism is used for component connection by the passenger elevator, step plates and the sliding platform can keep horizontal at any height. Comfort and safety of climbing the elevator are improved ...

Pulverized coal furnace natural gas igniter

The invention relates to the field of ignition of heat supply devices using pulverized coal as combustion medium, in particular to a pulverized coal furnace natural gas igniter which can be ignited remotely. The pulverized coal furnace natural gas igniter comprises a hand-held protecting tube, a front fixing end, a fuel gas conveying unit, a direct-current pulse circuit unit and a rear fixing end. A threaded gas inlet hole is formed in the hand-held protecting tube. An air hole is formed in the front fixing end. Multi-stage insulating ceramic tubes for fixing and insulating are disposed outside each power supply wiring terminal from an igniting end to the end connected with wiring nuts. The front fixing end is slidably connected with both the first-stage insulating ceramic tube and the hand-held protecting tube. The rear fixing end is connected with the last-stage insulating ceramic tube in a threaded manner through tightening screws. The hand-held protecting tube is connected with the ...

Desulfurization gypsum drying and calcining equipment, and production process

The invention relates to desulfurization gypsum drying and calcining equipment for drying and calcining the desulfurization gypsum to obtain high-quality beta hemihydrate gypsum, and a production process. The equipment comprises a drying drum, a calcining drum and an induced draft fan, wherein an air inlet of the induced draft fan is communicated with the calcining drum; an air outlet of the induced draft fan is communicated with the tail end of the drying drum; the front end of the drying drum is in butt joint with a first feeder and a second conveyor; the first feeder is in butt joint with a first conveyor; the second conveyor is in butt joint with a second feeder; the second feeder is in butt joint with the calcining drum; and a heat source supply furnace is communicated with the calcining drum through a hot air pipe. Two pieces of equipment of a drying process and a calcining process are combined, so the problems about transfer and storage of intermediate products are solved, space ...

Traction rolling belt vehicle

The invention discloses a traction rolling belt vehicle which comprises a frame which is a support frame of a vehicle body, a rolling belt mechanism connected with an end portion of the frame in a shaft mode and a lifting mechanism arranged on the frame and connected with the rolling belt mechanism. A traction handle mechanism which starts or stops the vehicle body, a hydraulic system and an electrical system used for driving all parts of the vehicle body to move are arranged on an end portion of the frame. A hydraulic system and an electrical system used for driving all parts of the vehicle body to move. The traction handle mechanism comprises a front traction handle and a middle traction handle which is connected in a shaft mode and provided with a braking mechanism inside. An end portion of the braking mechanism is connected with a braking beam. The front traction handle transmits power to the braking beam of the braking mechanism. The braking beam clamps wheels so that the vehicle is ...

SEALING ARRANGEMENT FOR USE IN ROBOT JOINT

A sealing arrangement for application in a robot joint. The sealing arrangement includes: a circular sealing assembly arranged between a swing and a base of the robot joint in a longitudinal direction, the circular sealing assembly defining a tubular cavity in a circumferential direction and having a gas inlet and a gas outlet; and an air channel coupled to the gas inlet and operable to continuously conduct pressured air flow into the cavity to maintain an air pressure inside the cavity above an air pressure outside the cavity, and thereby a high-speed airflow out of the gas outlet. 1. A sealing arrangement for use in a robot joint , comprising:a circular sealing assembly arranged between a swing and a base of the robot joint in a longitudinal direction, the circular sealing assembly defining a tubular cavity in a circumferential direction and having a gas inlet and a gas outlet; andan air channel coupled to the gas inlet and operable to conduct pressured air into the cavity to maintain an air pressure inside the cavity above an air pressure outside the cavity.2. The sealing arrangement according to claim 1 , wherein the circular sealing assembly comprises:a sealing ring forming a first side wall and a top wall of the cavity, wherein the first side wall is oriented in the longitudinal direction and the top wall is fixed to the swing and oriented in a horizontal direction that is substantially perpendicular to the longitudinal direction.3. The sealing arrangement according to claim 1 , wherein the circular sealing assembly comprises:a base ring coaxially arranged with the sealing ring and forming a second side wall of the cavity, wherein the second side wall is oriented opposite to the first side wall.4. The sealing arrangement according to claim 1 , wherein the circular sealing assembly further comprises:a radial seal arranged coaxially with the sealing ring and forming a bottom wall of the cavity, wherein the radial seal is positioned between a third side wall of ...

A reducer and an industrial robot

A ring seal and a robot

Embodiments of the present disclosure relate to a ring seal and a robot. The ring seal (10) comprises an outer circumferential wall (100) and an annular portion (200). The outer circumferential wall (100) extends in an axial direction (A) of the ring seal (10). The annular portion (200) extends from a side of the outer circumferential wall (100) toward an interior of the outer circumferential wall (100) in a radial direction (R) of the ring seal. As viewed in a cross section taken along the radial direction (R), the annular portion (200) and the outer circumferential wall (100) form an L shape. Embodiments according to the present disclosure may improve the sealing effect of the robot in a structurally reliable and low-cost manner.

A reducer and an industrial robot

A reducer (100) comprises a casing (2), a low speed output part (3) coupled to the casing (2), a high speed input part (4), and a blocking film (6). The high speed input part (4) is coupled to the casing (2) and comprises an input shaft (41). An internal space (5) is enclosed by the casing (2). The low speed output part (3) and the high speed input part (4) are filled with a lubricant. The input shaft (41) comprises a channel (42) communicating the internal space (5) and an external environment. The blocking film (6) is arranged on the input shaft (41) to block the channel (42) and is permeable to air and non-permeable to the lubricant．In this way, the influence of the lubricant on the vent capability of the film could be reduced, such that the internal pressure could be released in time. An industrial robot comprising this reducer (100) is also provided.

Ring seal and a robot

A ring seal and a robot. The ring seal includes an outer circumferential wall and an annular portion. The outer circumferential wall extends in an axial direction of the ring seal. The annular portion extends from a side of the outer circumferential wall toward an interior of the outer circumferential wall in a radial direction of the ring seal. As viewed in a cross section taken along the radial direction, the annular portion and the outer circumferential wall form an L shape.

Sealing arrangement for use in robot joint

A sealing arrangement (100) for use in a robot joint (200) is provided. The sealing arrangement (100) comprises: a circular sealing assembly (110) arranged between a swing (2) and a base (1) of the robot joint (200) in a longitudinal direction (Y), the circular sealing assembly (110) defining a tubular cavity (120) in a circumferential direction (C) and having a gas inlet (111) and a gas outlet (112); and an air channel (1a) coupled to the gas inlet (111) and operable to continuously conduct pressured air flow into the cavity (120) to maintain an air pressure inside the cavity (120) above an air pressure outside the cavity (120), and thereby a high-speed airflow out of the gas outlet (112).