按摩椅（二）

工艺品（一）

工艺品（五）

工艺品（四）

工艺品（二）

工艺品（六）

工艺品（三）

陶瓷编织篮（一）

包装箱(白晒花生)

PHOTOVOLTAIC ENCAPSULATION MATERIAL WITH HIGH LIGHT TRANSMITTANCE

The present invention relates to a photovoltaic encapsulation material with a high light transmittance. According to the present invention, 100 parts by mass of a photovoltaic encapsulation material matrix resin or a graft modified matrix resin, 0.001-5 parts by mass of an oxygen-containing or sulfur-containing compound, 0.01-10 parts by mass of a reactive plasticizer, 0.01-1.5 parts by mass of an initiator, 0.01-10 parts by mass of a co-crosslinking agent, 0.1-3.0 parts by mass of a silane coupling agent, 0.1-0.4 part by mass of an ultraviolet light absorber, and 0.1-1.0 part by mass of a light stabilizer are subjected to processes such as premixing, melt extrusion, film casting, cooling, slitting and rolling-up to prepare the photovoltaic encapsulation material with a high light transmittance. According to the present invention, the light transmittance of the photovoltaic encapsulation material is improved, so that better matching in the refractive index between a piece of glass/the front ...

METHOD FOR PREPARING AUTOLOGOUS TUMOR VACCINE AND USE THEREOF

Provided are a method for preparing an autologous tumor vaccine and uses thereof, specifically comprising: radiating and/or heating autologous tumor cells to obtain the tumor cells having enhanced antigenicity and antigen presentation, cultivating the obtained tumor cells, deactivating the cultivated tumor cells, and adding adjuvant to prepare the anti-tumor vaccine.

Ship AIS data compression method

The invention belongs to the technical field of data compression, and particularly relates to a ship AIS (Automatic Identification System) data compression method, which comprises the following steps: S1, frame compression: collecting ship AIS data, and processing the ship AIS data: eliminating redundant information in a data frame and purely digitalizing the data in the data frame; s2, time domain compression: comparing the data obtained in S1 with the data sent last time, removing the data which are not changed, and only retaining the changed data; and S3, entropy coding compression: the AIS data is processed by S1 and S2 to be changed into digital sequences only containing 0-9, the ASCII codes of 0-9 are composed of 8-bit binary systems, the same first four bits in each digital sequence are directly removed, and only the last four bits are reserved. The AIS data compression rate after processing can reach 80%, and the data transmission efficiency between the ship end and the shore end ...

HIGHLY REFLECTIVE GAIN TYPE PHOTOVOLTAIC PACKAGING ADHESIVE FILM AND USAGE

A highly reflective gain type photovoltaic packaging adhesive film and usage are provided. The packaging adhesive film is composed of an packaging layer and a reflecting layer, wherein the packaging layer has a thickness of 200 to 500 μm, and is made by mixing a first primary resin, a modified auxiliary, an ultraviolet auxiliary, an anti-thermal oxidation ageing agent and an initiator and melting and coat casting the same at 60° C to 200° C to form a film; and the reflecting layer has a thickness of 5 to 200 μm and is made by mixing a second primary resin, an auxiliary resin, a first filler, a second filler, modified auxiliary, a diluent and an ultraviolet auxiliary, an anti-thermal oxidation ageing agent and an initiator and coating the same on the surface of the packaging layer and curing the same at 30°C to 150°C. With a simple preparation process, a low cost, and an excellent product performance, the packaging film not only provides an effective gain effect for a double-sided crystal ...

Online grinding method for cold-rolled strip-shaped roller

The invention provides an online grinding method for a cold-rolled strip-shaped roller, which is characterized by comprising the following steps of: mounting a manufactured tool comprising a base, an arc-shaped nylon plate and abrasive paper on a strip-shaped roller bearing seat, and pre-tightening a spring piece on the base by using a bolt; the plate-shaped roller is started, and the rotating speed is gradually increased according to the rotating direction during production; according to the contact condition of the abrasive paper and the roller surface, the bolt locking amount is adjusted till abrasive paper tension is established, and then short-time grinding is conducted; wherein the mesh number of the abrasive paper is 320, and in the grinding process, the contact area of the abrasive paper is 22%-24%, the rotating speed of a plate shape roller is 300-500 rpm, and the grinding duration is 2-3 min. On-line high-speed grinding can be directly carried out without detaching the strip-shaped ...

TEXT IDENTIFICATION METHOD AND DEVICE, MOBILE TERMINAL, AND STORAGE MEDIUM

Disclosed are a text identification method and device, a mobile terminal, and a storage medium, relating to the technical field of mobile terminals. The method comprises: detecting a touch operation acting on a user interface, and when the touch operation satisfies a preset condition, identifying an interface element on the user interface corresponding to the position of the touch operation; when the identification is not successful, capturing a control image corresponding to the position of the touch operation and identifying the control image; and displaying at least one card on a partial region of the user interface in a superimposed manner, the at least one card being used for displaying information identified by the control image. According to the text identification method and device, the mobile terminal, and the storage medium provided by the embodiments of the present application, by means of an image identification technology, the rapidity and accuracy of word extraction and identification ...

CIRCULAR-ARC ONE-SIDE NUCLEAR MAGNETIC RESONANCE SENSOR

The present invention relates to the technical field of nuclear magnetic resonance detection. Disclosed is a circular-arc one-side nuclear magnetic resonance sensor formed by a permanent magnet structure and a saddle-shaped radio frequency coil (5). The permanent magnet structure is formed by three tile-shaped permanent magnets (1, 3a, 3b) and two fan-shaped iron sheets (2a, 2b), the three permanent magnets having the same magnetization direction, and all being magnetized in an axial direction and used to generate a static main magnetic field B0. A crescent-shaped non-magnetic nonmetal spacer (4) is provided between the saddle-shaped radio frequency coil (5) and the permanent magnet structure; and the saddle-shaped radio frequency coil (5) is attached to an inner ring surface of the crescent-shaped spacer, and is used to generate a radio frequency magnetic field B1 in a target area orthogonal to the main magnetic field B0 and to detect an echo signal generated by a sample. The nuclear magnetic ...

Dynamic maintenance method and system of system and storage medium

The invention particularly relates to a dynamic maintenance method and system of a system and a storage medium, and the method comprises the steps: obtaining a starting signal of the system, and triggering an inspection program of the system based on the starting signal of the system; regulating and controlling an inspection program of the system, carrying out periodic dynamic inspection, transferring the to-be-maintained position of the system to a maintenance area of the system if the to-be-maintained position of the system is checked and the current working area of the system is not in the to-be-maintained position of the system, and carrying out dynamic maintenance on the to-be-maintained position of the system; when dynamic maintenance is carried out on the to-be-maintained part of the system, multiple faults in the to-be-maintained part of the system are traversed, and branch regulation and control are carried out on the multiple faults; associating the plurality of faults, and forming ...

LOW FLUIDITY ENCAPSULANT FILM

Disclosed in the present invention is a low fluidity encapsulant film, obtained by evenly mixing 100 parts by weight of base material having a melt index of 0.2-9 g/10 min, 0.1-5 parts by weight of peroxide-based crosslinking agent, 0.1-5 parts by weight of auxiliary crosslinking agent, 0.1-3 parts by weight of tackifying agent, 0-5 parts by weight of hindered amine light stabiliser, 0-2 parts by weight of ultraviolet light absorbing agent, and 0-40 parts by weight of pigment, adding same to an extruder, and extruding into a film by means of a T-shaped flat mould. The encapsulant film can reduce the risk of a cell of a photovoltaic module shifting during a laminating process, and prevent the layer of pigment-containing encapsulant film on the back of the module from covering the front surface of the cell during high-temperature lamination as a result of good fluidity. Due to the use of a thermal pre-crosslinking method, the acid content of the encapsulant film is significantly reduced compared ...

V-SHAPED PERMANENT MAGNET DEVICE CAPABLE OF GENERATING STATIC GRADIENT MAGNETIC FIELD

Disclosed is a V-shaped permanent magnet device capable of generating a static gradient magnetic field. The V-shaped permanent magnet device comprises a V-shaped yoke, a first cylindrical permanent magnet, a second cylindrical permanent magnet, a first shimming gasket and a second shimming gasket. The first cylindrical permanent magnet and the second cylindrical permanent magnet are arranged in an axial symmetry mode, and the first shimming gasket and the second shimming gasket are arranged in an axial symmetry mode. The magnetization direction of the first cylindrical permanent magnet and the magnetization direction of the second cylindrical permanent magnet are in the axial directions of the cylinders respectively, the residual magnetism of the first cylindrical permanent magnet is the same as the residual magnetism of the second cylindrical permanent magnet, and the magnetic pole of the end, connected to the V-shaped yoke, of the first cylindrical permanent magnet is opposite to the ...

Method, device and equipment for detecting hanging object on distribution line and medium

The embodiment of the invention discloses a method, a device and equipment for detecting a hanging object on a distribution line, and a medium. The method comprises the following steps: determining target lead parameter information of a target distribution line; the target distribution line comprises a target tower and a target lead, the target lead is erected on the target tower, and the target lead parameter information comprises pressure information of the target lead on the target tower, illumination intensity information of the target lead, vibration information of the target lead on the target tower and image information of the target lead; according to the target lead parameter information, determining floating and hanging object evaluation information of the target lead; determining a floating and hanging object detection result of the target lead according to the floating and hanging object evaluation information; the floating hanging object detection result is used for representing ...

SPLIT HYDRAULIC TRANSMISSION POWER SYSTEM FOR DIESEL MULTIPLE UNITS

A split hydraulic transmission power system for diesel multiple units, comprising a diesel engine (1), a hydraulic transmission box system, an auxiliary system, a cooling system, an installation frame, and an electric control box (17). The installation frame comprises a first frame and a second frame; the diesel engine (1) and the auxiliary system are integrated on the first frame; and the hydraulic transmission box system is fixed on the second frame.

POLYOLEFIN ELASTOMER ADHESIVE FILM WITH LOW WATER VAPOR PERMEABILITY AND PREPARATION METHOD THEREFOR

Disclosed are a polyolefin elastomer adhesive film with a low water vapor permeability and a preparation method therefor. The adhesive film comprises 50-100 parts by mass of a matrix resin, 0-40 parts by mass of a modified resin, 0.001-2 parts by mass of an activator, 0.1-3 parts by mass of an organic peroxide, 0.02-5 parts by mass of a co-crosslinking agent, 0.02-2 parts by mass of a silane coupling agent, 0.005-2 parts by mass of a light stabilizer, and 0-20 parts by mass of a water-blocking filler. By means of the addition of the modified resin with an active group and the activator, the crosslinking degree and crosslinking density of the adhesive film are improved, thereby reducing the water vapor permeability rate; and by means of the addition of the water-blocking filler, the water-blocking performance of the adhesive film is further improved, the reliability of an assembly is ensured and the service life of the assembly is prolonged.

COMMUNICATION METHOD FOR ELECTRONIC COMMUNICATION SYSTEM IN OPEN ENVIRONMENT

The present invention relates to a communication method for an electronic communication system in an open environment. By means of the method, a user who is not provided with an account is authenticated by a server, and the user is allowed to operate on the server; users who are provided with accounts on different servers in different electronic communication systems can authenticate the identity of each other, and communicate between different communication systems using a common communication protocol; and when an inviter stores resources on a server, and invites an invitee, who does not have an account on the server, to access resources, the server can authenticate the identity of the invitee, and enables the invitee to access the resources of the inviter. In addition to the inviter and the invitee, no other persons can access the resources of the inviter.

Multi-source heterogeneous data access system and method oriented to Internet of Things

The invention discloses a multi-source heterogeneous data access system and method for the Internet of Things, and the system comprises an equipment access management module which is used for shielding the data isomerism of multi-source equipment, and carrying out the unified management and standardized access of the equipment and data of the Internet of Things; the data analysis and fusion module is used for summarizing, processing and aggregating the sensing data with different sources, different formats, various structures and fragmentization according to service requirements; and the data storage module is used for performing efficient storage and classified management on the unstructured data and the structured data generated by the connection equipment. According to the method, the problems of integrated management and control of massive equipment in the field of the Internet of Things, real-time quick connection of massive multi-source heterogeneous data and cleaning, integration ...

Double-arc rotary upper limb trainer

The invention provides a double-arc rotary type upper limb training device which comprises an upper limb training assembly and a lower limb training assembly, a base is fixedly connected with a supporting frame, the upper limb training assembly is arranged on the middle section of the supporting frame, the lower limb training assembly is arranged at the bottom of the supporting frame, and the upper limb training assembly comprises a pair of hollow arc pipes which are symmetrically arranged. The arc pipe is in a 90-degree elbow shape, the diameter of the arc pipe is 40 cm, the distance between the center point of the arc pipe and the base is about 1 m, a plurality of grooves are formed in the outer surface of the arc pipe at equal intervals, the interval between the grooves in the horizontal direction is 20 cm, and the interval between the grooves in the vertical direction is 20 cm. The groove is provided with two notches on the edge of the arc tube, and the two notches are arranged symmetrically ...

Temporary truss fixing device and steel structure space pipe truss construction method

The invention relates to a temporary truss fixing device and a steel structure space pipe truss construction method, relates to the technical field of steel structure construction, and aims at solving the problem that the installation process is tedious when I-shaped steel is adopted for supporting The temporary truss fixing device comprises a base, a supporting assembly, a fastening assembly, a telescopic pipe and a positioning assembly. A plurality of universal wheels for driving the base to move are mounted below the base; the supporting assembly comprises a hydraulic cylinder arranged on the side wall of the base, and the telescopic end of the hydraulic cylinder faces the ground. The fastening assembly is arranged on the base and used for fixing the base and the stand column. The telescopic pipe is slidably arranged on the base, and the end, away from the base, of the telescopic pipe is used for supporting an upper chord; the positioning assembly is arranged on the base and used for ...

Method for acquiring stress signal of strip shape edge area from strip shape control system

The invention relates to a method for acquiring a strip shape edge region stress signal from a strip shape control system. The method comprises the following steps: extracting an edge region stress signal value corresponding to the strip width from a strip shape signal array of the strip shape control system; a sub-program in the strip shape control system reads data of stress signals of a corresponding strip shape edge area in a database to a configuration file interaction buffer area PIB according to a strip shape signal array structure, and then reads the data stored in the PIB to an AMPL environment through a database reading function module PIBR; and the PIBR module reads the positions LZ and HZ of the strip edge region, and extracts signals of the two regions covered and connected by the edge of the operation side according to the positions LZ and HZ of the strip edge region. The method is beneficial to obtaining the stress condition of the plate shape edge area.

Transformer information management method and device, electronic equipment and storage medium

The invention discloses a transformer information management method and device, electronic equipment and a storage medium, and the method comprises the steps: obtaining to-be-verified user information, and determining user authority information corresponding to a current user based on the to-be-verified user information; determining a target user port according to the user permission information, and obtaining transformer information corresponding to the target user port; wherein the target user port comprises a power supply end and a user end; and determining target display information based on the transformer information, and displaying the target display information. Based on the technical scheme, the corresponding user port is determined according to the to-be-verified user information, then the transformer information associated with the user port is determined, the corresponding display information is generated, and the display information is displayed, so that a user can obtain the ...

Environment-friendly water-based quenching liquid and preparation method thereof

The invention relates to an environment-friendly water-based quenching liquid composition which comprises the following components in percentage by mass: 20-30% of butyl acrylate, 4-6% of styrene, 4-8% of acrylic acid, 8-12% of isododecanol, 8-12% of sodium hydroxide, 1-3% of an antioxidant and the balance of water. In the formula of the quenching liquid, styrene, butyl acrylate and acrylic acid are subjected to partial copolymerization reaction, a styrene-acrylate copolymer or an emulsion of the styrene-acrylate copolymer is generated in water, and a mixed system formed by adding a proper amount of isododecanol and water is matched, so that when the quenching liquid is used as the quenching liquid, compared with mineral oil, the quenching liquid has the advantages that the service life is prolonged; the steel has good stability and poor hardenability; compared with water medium quenching liquid, the aluminum alloy quenching liquid has better cooling capacity in a high-temperature area, ...

Biomass wood chip crusher with uniform crushing function

The invention is applicable to the technical field of crushers, and provides a uniform-crushing biomass wood chip crusher which comprises an outer cylinder and an inner cylinder, a connecting block is mounted between the outer cylinder and the inner cylinder, a crushing mechanism cuts and crushes biomass wood chips added into the inner cylinder through a feeding cylinder under the rotating condition, uniformly-distributed sieve pores are locally formed in the inner cylinder, and the sieve pores are uniformly distributed in the outer cylinder. A material receiving box is arranged at the bottom end of the guiding-out cylinder, the shielding mechanism is hinged to the guiding-out cylinder, the movable end of the shielding mechanism is slidably connected with the outer cylinder to block biomass wood chips large in size from moving, one end of the limiting mechanism is hinged to the shielding mechanism, and the limiting mechanism synchronously moves along with the shielding mechanism to abut ...

Medium-temperature colored glaze, medium-temperature colored glaze ceramic product and preparation method of medium-temperature colored glaze ceramic product

The invention discloses medium-temperature colored glaze, a medium-temperature colored glaze ceramic product and a preparation method of the medium-temperature colored glaze ceramic product. The medium-temperature colored glaze comprises basic glaze slip and reflective glaze slip which are sequentially applied to the surface of a ceramic body from inside to outside. The basic glaze slip comprises the following components in parts by weight: 15-20 parts of quartz, 5-8 parts of potassium feldspar, 5-8 parts of albite, 2-5 parts of calcium oxide, 5-8 parts of celsian, 12-15 parts of kaolin, 6-10 parts of borax, 3-6 parts of sodium silicate and 2-4 parts of zinc sulfate. The reflective glaze slip comprises the following components in parts by weight: 15-20 parts of quartz, 5-8 parts of aluminum oxide, 6-9 parts of titanium dioxide, 5-8 parts of zirconium oxide, 12-15 parts of kaolin, 6-10 parts of borax, 3-6 parts of sodium silicate and 2-4 parts of zinc sulfate. According to the medium-temperature ...

System for adjusting ship data transmission in real time according to ship navigation state

The invention belongs to the technical field of ship data transmission, and particularly relates to a system for adjusting ship data transmission in real time according to a ship navigation state, which comprises a shore end receiving module, a ship data acquisition and processing configuration module and a network communication module connected with the shore end receiving module and the ship data acquisition and processing configuration module, the transmission mode configuration subunit and the dynamic information configuration subunit cooperate with each other to automatically select a data type needing to be transmitted and a data transmission mode according to a ship navigation state, so that the problem that ship data transmission cannot be automatically adjusted according to actual ship navigation requirements in the prior art is solved; particularly, the data type and the transmission mode are automatically configured and adjusted to meet the ship navigation requirement, and the ...

With double laser scanning device of the portable terminal

... 本发明公开了种带双重激光扫描设备的便携式终端，包括启动激光扫描功能的输入设备及显示识读结果的显示设备，还包括设置在所述便携式终端上双重激光扫描设备，本发明带双重激光扫描设备的便携式终端能使设备扫描速度提高为原有激光扫描设备的两倍，并且解码单元对两路扫描线电信号在解码时间上有部分互相覆盖，大大节约解码时间，提高解码速度，提高用户体验。 ...

Adhesive film composition, packaging adhesive film and photovoltaic module

The invention provides an adhesive film composition, a packaging adhesive film and a photovoltaic module. The adhesive film composition comprises the following components in parts by weight: 100 parts of matrix resin; 1 to 10 parts of a cross-linking agent and 0.01 to 5 parts of a catalyst; wherein the cross-linking agent is a dibasic ester compound and/or a polybasic ester compound, the catalyst is an ester exchange reaction catalyst, and the matrix resin is selected from any one or more of an ethylene-vinyl acetate copolymer, an ethylene-ethyl acrylate copolymer, an ethylene-acrylic acid copolymer and an ethylene-methacrylic acid copolymer. The packaging adhesive film can be melted under certain stimulation (generally heating), each part of the photovoltaic module is easy to separate, the packaging adhesive film can be recycled, other parts of the photovoltaic module can be recycled without being damaged, and the recycling efficiency is improved. In addition, even if the packaging adhesive ...

Samarium hydroxide nanorod-based hydrophobic film and preparation process thereof

The invention discloses a samarium hydroxide nanorod-based hydrophobic film and a preparation process thereof. The film is prepared from samarium nitrate hexahydrate, urea, deionized water, ethanol, precursor samarium carbonate hydroxycarbonate, a sodium hydroxide solution and samarium hydroxide powder. Hydroxysamarium carbonate is used as a precursor to be subjected to a solid-liquid interface reaction with a sodium hydroxide aqueous solution in a liquid phase to prepare a samarium hydroxide nanorod, hydroxycarbonate is synthesized under a low-temperature condition, and then the samarium hydroxide nanorod is synthesized from the precursor and sodium hydroxide in a hydrothermal environment. A samarium hydroxide precipitate is generated on the surface of a precursor by utilizing a slow reaction between a samarium hydroxycarbonate precursor and a sodium hydroxide aqueous solution, the samarium hydroxide powder with a unique structure can realize super-hydrophobicity under the condition of ...

U-LOCK anti-loosening plug and working method thereof

The invention provides a U-LOCK anti-loosening plug and a working method thereof.The U-LOCK anti-loosening plug comprises a shell and an electric wire, one end of the electric wire extends out of the shell, the other end of the electric wire is fixed in the shell, a movable pull rod is connected in the shell in a sliding mode, the movable pull rod is arranged in a sliding groove in the shell and can move telescopically, and a plurality of elastic extrusion pieces are arranged on the periphery of the front end of the movable pull rod; a rotary knob used for driving the movable pull rod to slide is rotationally connected outside the shell, at least one cambered surface driving piece is arranged on the periphery of the rear end of the movable pull rod, a protruding block is installed on the end portion of the cambered surface driving piece, and a guide groove hole corresponding to the protruding block is formed in the shell in the inserting direction of the plug. The knob is rotationally connected ...

A forming device that is used for hollow flat pipe of metal

... 本实用新型公开了一种用于金属空心扁管的成型装置，包括左组件、右组件、成型组件，成型组件包括方形的定位芯和方形的成型块，成型块中心设置有出料孔，左组件的一侧设置有环形凸肩，左组件中心设置有贯穿左组件和环形凸肩的入料孔，入料孔内设置有一字型桥架，一字型桥架将入料孔分为两个相同大小的半圆入料孔，一字型桥架两侧面与入料孔内壁面连接，右组件从左至右依次设置有与环形凸肩相配合的环形凹槽、焊火腔以及安装孔，一字型桥架上位于靠近环形凸肩的一端面镶嵌有定位芯，成型块镶嵌于安装孔内，定位芯与成型块的出料孔构成成型缝。本实用新型提供一种生产效率高、成型质量好、易更换、使用期限长的金属空心扁管的成型装置。 ...

Photosensitive resin composition and dry film resist laminate

The invention relates to the technical field of light-cured resin materials, in particular to a photosensitive resin composition and a dry film resist laminate, the photosensitive resin composition comprises the following components: an adhesive polymer, a photopolymerization monomer, a photoinitiator, a dye and a piperidine compound; wherein the mass ratio of the piperidine compound to the total mass of the components is that 0.01-1.0 part of the piperidine compound is contained in every 100 parts of the total mass of the components. A product prepared from the photosensitive resin composition provided by the embodiment of the invention has excellent hue stability, no residue exists in the developing process, and the yield and the production efficiency of the product can be improved. In addition, the film layer also has excellent resolution, adhesive force, light sensitivity and pattern electroplating resistance.

Picture frame horizontal adjusting device

The utility model discloses a picture frame level adjusting device which comprises adjusting device bodies installed on the left side and the right side in a picture frame, supporting side wings are arranged on the two sides of each adjusting device body, and fixing screw holes used for punching are formed in the face sides of the adjusting device bodies. A horizontal table connected with the supporting side wings is arranged on the upper side of the adjusting device body, an adjusting screw hole for an adjusting bolt to penetrate through is formed in the middle of the horizontal table, the left-right horizontal height fine adjustment of the picture frame is adjusted by twisting the height of the adjusting screw hole 4, the picture frame is flush with the left-right horizontal height fine adjustment, and the picture frame is more attractive. And the structure is simple, and the adjustment is convenient.

Push-pull type multi-station roller lifting method

The invention discloses a push-pull type multi-station roller lifting method which comprises the steps that a lifting device is used for lifting, and the lifting device comprises a plurality of rollers arranged on a platform frame side by side and mounted on a mounting frame and a power cylinder; a multi-station roller unit is formed by the mounting frames and the rollers on one frame, the power cylinder is arranged on the side of the multi-station roller unit on the platform frame, and the power output end of the power cylinder is hinged to a hinged shaft of one of the mounting frames of the multi-station roller unit through a connecting piece; comprising the following lifting steps that when the power output end of a power cylinder extends to the longest length, a hinged plate and a platform frame are in a vertical state, and a roller on a multi-station roller unit is lifted to the highest point. The multi-station lifting device can solve the problems that an existing multi-station lifting ...