31results about How to "Achieve leveling" patented technology

The application discloses a leveling device and method for bridge support assembly and belongs to the technical field of bridge support assembly; the leveling device comprises a supporting frame, a conveyor and a pressure applying and leveling assembly; the pressure applying and leveling assembly applies pressure through a leveling oil cylinder, then height adjustment and state detection are realized with the help of the leveling oil cylinder and a distance sensor, and a pressure sensor is arranged between the leveling oil cylinder and a horizontal fixing plate to monitor pressure; manual operation is replaced by mechanical automation, the efficiency of bridge support assembly is remarkably improved, accurate measurement and control are realized through the sensor, human errors are avoided, leveling precision and assembly quality are improved, human cost and labor intensity are reduced, and reliable guarantee is provided for bridge support assembly.

The utility model provides a novel tray for manufacturing a grinding wheel, which comprises a tray body placed on a track and a placing hole arranged on the tray body, a support plate is arranged in the placing hole, and a mold is arranged on the support plate. The groove is formed in the end face of the inner side of the placing hole; the rollers are arranged in the grooves, connected with pin shafts and fixed to the tray through the pin shafts, the diameter of the containing holes is smaller than the diameter of the upper end edge of the mold and larger than the diameter of the lower end of the mold, the bottom of the mold is in contact connection with the upper end face of the supporting plate, and the grooves are of an annular structure and are concave towards the inner side of the tray. A groove is formed in the lower portion of the die, a space is formed, the roller is placed in the groove, and the outer side circle of the roller is exposed out of the groove and is in contact connection with the outer side face of the lower portion of the die, and the die has the advantages that materials can be leveled, friction force is reduced, and the die can rotate stably.

The utility model provides a kind of sludge sintered brick raw material homogenizing device, including first box, second box, between first box, second box is equipped with annular support coaxial with it, both ends of annular support are coaxially equipped with cylinder body rotationally connected with it, first box, second box are coaxial with cylinder body and rotationally connected with it;First box, second box are rotationally connected with at least three rotating shafts, and rotating shaft is circumferentially distributed between first box, second box, is fixedly connected with helical blade on the rotating shaft between first box, second box, fastens first motor on the one end of rotating shaft;Multiple groups of stirring vanes are equidistantly connected on the inner wall of connecting cylinder body, and each group of stirring vanes is circumferentially distributed on the inner wall of connecting cylinder body.The utility model can drive the raw material inside cylinder body to overturn and realize uniform material, and multiple groups of stirring vanes can also be crushed to raw material while stirring, improve the efficiency of processing.

This utility model provides a ridging and piling machine, comprising: a body assembly, a ridging device, a piling device, a collecting device, and a stabilizing component. The body assembly consists of a frame, the ridging device consists of a crossbeam and sliding seats, with two symmetrically distributed sliding seats slidably connected to the surface of the crossbeam. The piling device includes a collecting trough, with a limiting mechanism below the collecting trough. The collecting device is fixedly installed to the bottom of the frame, and the stabilizing component is located at the tail end of the frame. This application uses the body assembly for ridging and piling operations in the field, scraping away gravel from the soil surface while traction is applied. The collecting device can guide and collect gravel, and the soil can be finely crushed and discharged. After combing, it can be filled onto the ridges. The piling range can also be adjusted according to the height of the ridging, simultaneously achieving soil leveling, ensuring the structural strength of the ridged ridges, preventing soil erosion during rainy weather, and adjusting the pressure of the rollers according to the soil compaction, thus improving the performance of the ridging and piling machine.

This invention discloses an automated molding and manufacturing equipment and method for utility poles, relating to the technical field of utility pole manufacturing equipment. It includes an installation base, a mold assembly on the installation base, a reinforcing cage on the mold assembly, and a feeding device located directly above the reinforcing cage. The feeding device is equipped with a dispersing and leveling mechanism and a gravity-flipping feeding mechanism. This invention, through the feeding device and the dispersing and leveling mechanism, evenly disperses and guides concrete material to different positions in the feeding hopper, achieving oscillating and dispersing feeding. This effectively avoids the problems of clumping and localized pile-up caused by concentrated concrete material accumulation. The leveling component quickly levels the dispersed material, ensuring that the surface of the concrete material in the feeding hopper remains flat and of uniform height. Finally, the gravity-flipping feeding mechanism quantitatively feeds the material, eliminating the need for manual intervention in the feeding process, significantly reducing labor intensity and improving production efficiency.

The utility model provides a leveler for mounting a power distribution cabinet. The leveler comprises a base, a negative suction mechanism, an air exhaust mechanism and a telescopic piece, the negative suction mechanism comprises a suction cup and a connecting pipe. The suction cup is installed on the base. The connecting pipe is installed on the base, and one end of the connecting pipe communicates with the suction cup. The air exhaust mechanism is mounted on the base, and the air exhaust mechanism can exhaust air from the connecting pipe; and the telescopic piece is arranged on the base. The suction cup is adsorbed on the smooth side wall of the power distribution cabinet through air pressure, then the air exhaust mechanism is controlled to act, the air exhaust mechanism extracts air in the suction cup through the connecting pipe, and therefore the suction cup is tightly adsorbed on the power distribution cabinet. In this way, installation of the leveler is completed. The device is suitable for power distribution cabinets of any size, and only the outer side wall of the power distribution cabinet needs to be smooth; and finally, the power distribution cabinet can be leveled by controlling the expansion and contraction of the expansion piece.

The utility model discloses a kind of installation foot and refrigeration equipment, installation foot includes mounting plate, adjusting screw rod, guide piece and foot assembly, mounting plate includes installation part and fixed part, installation part and fixed part extend along horizontal direction, and arrange in horizontal direction;Adjusting screw rod and guide piece are connected in fixed part, adjusting screw rod and guide piece are all along second direction extension, foot assembly includes foot support, foot on the foot support is connected, adjusting hole of screw thread cooperation with adjusting screw rod, guide hole of sliding cooperation with guide piece are set on foot support.The installation foot in the utility model can be widely applied in refrigeration equipment.Installation part is connected to the bottom of refrigeration equipment by bolt or other fastener, and the cooperation of adjusting screw rod and guide piece makes the height adjustment of refrigeration equipment more convenient.User only needs to twist adjusting screw rod from upside by tool, can easily complete height adjustment, solve the problem of laborious operation in traditional scheme.

An adjustable comprehensive support processing platform, three platform keels (2) are arranged in the shape of three Chinese characters, the end and middle part of the two adjacent platform keels (2) are connected and installed with mortise and tenon type movable modules (1); the side of the connection part of the mortise and tenon type movable modules (1) and the platform keel (2) is installed with a guide rail limiter (4); the bottom of the connection part of the mortise and tenon type movable modules (1) and the platform keel (2) is installed with a 90° self-locking folding hinge (6), the bottom of the 90° self-locking folding hinge (6) is installed with a detachable universal wheel (3); the inner side and / or outer side of the platform keel (2) is installed with a mortise and tenon type sliding rail (7). The processing and manufacturing of the comprehensive support for electromechanical engineering, by adjusting the extension distance of the mortise and tenon type movable module, the stable placement of different size comprehensive supports with the cross arm length within 1-2.64 m can be adapted.

This application relates to an embedded germanium-silicon device and its fabrication method, as well as an electronic device, comprising: providing a substrate; the substrate having sigma trenches extending into the substrate via a first surface; forming a buffer layer on the inner surface of the sigma trench, followed by forming a germanium-ene transition layer covering the buffer layer; the germanium-ene transition layer including protrusions formed due to lattice mismatch and local stress in the initial buffer layer; selectively etching and removing the protrusions and the buffer layer covering the protrusions using a pulsed plasma etching process; simultaneously repairing damage to the buffer layer and removing the germanium-ene transition layer in the same process steps; and forming a germanium-silicon seed layer that at least fills the sigma trench. This method can avoid the risk of impurity contamination, reduce the dislocation density of the buffer layer, and improve the growth quality of silicon-germanium.

The utility model discloses a kind of hoist of prefabricated component and hoist system comprising it, it is related to hoisting equipment technical field, comprising: one beam, the top of one beam is provided with first hoist, and first hoist is connected with one beam;Second beam, second beam is arranged below one beam, two second hoists are symmetrically arranged between one beam and second beam, and second hoist is respectively connected with one beam and second beam by rope cable, and a plurality of hoisting connecting pieces are arranged on second beam;Third hoist, third hoist is equipped with even number, even number third hoist is divided into two groups, two groups of third hoist are symmetrically arranged below second beam, and third hoist is connected with hoisting connecting piece on second beam by rope cable, and hook is arranged on third hoist;Controller, controller is electrically connected with first hoist, second hoist and third hoist respectively.The utility model can be realized in hoisting process to the prefabricated component to be hoisted for horizontal adjustment.

The utility model discloses a biological medicine reagent containing bin which comprises a bin body and a bin door, the bin door is connected with the bin body in a rotating mode through a hinge, a plurality of supporting plates used for containing reagent bottles are arranged in the bin body, rotating rods are connected in the supporting plates in a rotating mode, and spiral blades used for pushing the reagent bottles are fixedly arranged on the rotating rods in a sleeved mode. Reagent bottles needing to be stored are placed between the corresponding spiral blades on the supporting plate, the rotating rod is rotated through the handle, the rotating rod drives the spiral blades to rotate, the spiral blades push the placed reagent bottles to move into the first cover body, the reagent bottles are protected and limited by the first cover body, the stored reagent bottles are classified, the actions are repeated, and therefore the reagent bottles can be stored conveniently. When the reagent bottles to be stored are placed, the reagent bottles are placed between the second cover bodies when being too large, and when the reagent bottles need to be taken out, the rotating rod is reversely rotated through the handle, the rotating rod drives the spiral blades to reversely rotate, the reagent bottles are sequentially pushed out of the first cover body, and the reagent bottles are conveniently taken out.

The application discloses a test piece testing platform suitable for rough aggregate polishing value test, which comprises a testing table, a leveling mechanism arranged in the testing table, the leveling mechanism being used for leveling a polishing platform, a dust removal mechanism arranged on the front side of the testing table, the dust removal mechanism being used for cleaning and collecting the polished debris, the leveling mechanism comprising two rotating columns, the outer walls of the two rotating columns being rotationally connected with the left and right sides of the middle part of the top surface of the testing table, the outer wall top of the rotating column being fixedly connected with a rotating plate, the left and right sides of the top of the testing table being provided with polishing plates, and the inner wall of the testing table being provided with a power assembly. In the utility model, the rotating plate is opened, the smooth block is checked whether to be in the center, if deviating, motor one is started, gear transmission and worm reduction are used to make the threaded rod slowly rotate, the polishing plate is driven to adjust, the object polishing is ensured to be uniform, and the precision is improved.

This utility model discloses a fitness chair, including a stabilizer. The stabilizer includes a first rod and a footrest arranged opposite each other, and a second rod connecting the first rod and the footrest. The first rod is mounted on the chair legs, and the second rod is telescopic, allowing the distance between the footrest and the first rod to be adjustable. This fitness chair, by incorporating an adjustable second rod, allows for adjustment of the distance between the footrest and the first rod, accommodating users of different heights. After exercise, the footrest can be extended rearward and positioned between the first and third support parts, thus preventing the footrest from colliding with the user and causing injury. This improves usability and safety while also enhancing the overall aesthetics and appearance of the fitness chair.

The utility model relates to the technical field of cabinet processing discloses a sheet metal automatic flanging bender for cabinet processing, including processing box, the right side fixed connection of processing box has the arch frame, the left side front and rear both ends inner wall of processing box all are fixedly connected with support plate, and the inside of front support plate is fixedly connected with first motor and penetrates, first motor output end fixedly connected with driving pulley, the left side rotation connection of support plate has the rotating rod, the outer circle fixed connection of rotating rod front end has driven pulley, and the driving pulley is provided with the belt between driving pulley and driven pulley. In the utility model, the cleaning wheel is driven to rotate through the transmission device of first motor, belt pulley, gear etc.

The leveling system comprises a control box, the control box is in signal connection with an operation box, the control box is further connected with a leveling control box, a power distribution unit and a network switch are arranged in the leveling control box, and the network switch is connected with a gateway unit and a data processing unit through signal cables; the gateway unit is in signal connection with a sensor unit arranged in the movable power drill rod box; the data processing unit is connected with an execution mechanism unit and an indication unit. The leveling method comprises the following steps: starting the drill rod box power distribution system, leveling the control box, and carrying out self-inspection initialization; an oil cylinder in the middle of an inner side beam body of the inner box serves as a reference oil cylinder, and the height of the reference oil cylinder is adjusted; and the heights of the other oil cylinders are sequentially adjusted based on the height of the reference oil cylinder, and leveling of the movable power drill rod box is achieved. The problems that in the prior art, the power drill rod box is manually leveled and moved, so that the leveling difficulty is large, the precision is low, and the personnel operation safety is poor are solved.

The application discloses a wafer visual inspection equipment, and relates to the technical field of wafer inspection.The wafer visual inspection equipment comprises a host frame, a wafer fork, a detection bin and a detection camera.The application further discloses a detection method of the wafer visual inspection equipment, which comprises the following steps: feeding, wafer alignment, wafer positioning, visual inspection and discharging.The wafer can be taken and placed without damage by adopting the inner support platform which can slide up and down; after the wafer is aligned, the inner support platform is lifted by compressed air, so that the wafer is prevented from being damaged due to contact friction with the surface of the inner support platform; the wafer support platform is arranged below the inner support platform; during the adsorption positioning process of the wafer, the inner support platform and the wafer support platform jointly realize the adsorption of the wafer, so that the stability of the wafer during the detection process is effectively ensured, and good conditions are created for subsequent high-precision detection.

This invention relates to the field of land consolidation and development technology, and in particular to a land leveling device and method with adjustable functions. The leveling method involves first determining a reference horizontal plane, then dividing the farmland into m*n blocks. The bucket passes through n rows of farmland sequentially along a first direction, recording the distances h1 to hn between the reference horizontal plane and the blade. Based on the data h1 to hn, the average distance h between the blade and the reference horizontal plane when in n rows of farmland is obtained. Δh is measured based on the soil volume in the bucket and the farmland area. (h-Δh) is the distance between the target leveling surface and the reference horizontal plane. The bucket height is adjusted to maintain the distance (h-Δh) between the blade and the reference horizontal plane. The process continues along a second direction, passing through m rows of farmland sequentially, completing the farmland leveling. The leveling method provided by this invention facilitates the determination of the target leveling surface and is more conducive to agricultural cultivation and irrigation drainage.

This invention discloses an automatic component leveling system, application, and method based on a distance measuring device. It solves the problem in existing technologies where leveling side beams requires workers to use levels or similar instruments for measurement, resulting in low measurement accuracy. The system offers the advantages of high accuracy and high efficiency. The specific solution is as follows: An automatic component leveling system based on a distance measuring device includes a worktable supporting multiple drive mechanisms. These drive mechanisms are placed at the bottom of the component. Multiple first distance measuring sensors are placed on the side of the component along its length. The drive mechanisms are arranged along both sides of the component's width. The first distance measuring sensors are located on the outer side of the component's side. The multiple first distance measuring sensors are arranged vertically to obtain the distance between the first distance measuring sensors and the upper and lower sides of the component. The first distance measuring sensors send the acquired distance information to a control unit. The control unit is connected to the drive mechanisms and adjusts the actions of the multiple drive mechanisms.

The utility model discloses a kind of for asphalt pavement pit slot's quick repairing device, including storage bin, walking wheel being set in the bottom of the storage bin and setting in the blanking port of storage bin lower end, the blanking port is strip hole, the bottom of storage bin is symmetrically equipped with the baffle that the bottom of storage bin is same direction or reverse synchronous movement, heating plate is equipped with in the bottom of storage bin behind blanking port position adjustment baffle position according to the size of asphalt pavement pit slot, so that the length exposed with blanking port corresponds with the size of pit slot, application range is wide, then moves storage bin, and asphalt in storage bin is spread to asphalt pavement pit slot through blanking port, and is ironed flat by heating plate. Pit slot mechanization spreading and leveling can be realized, and spreading efficiency is improved;It can effectively improve the flatness of pit slot repair, and compaction under the condition of guaranteeing mixture temperature.

The utility model discloses a self-adaptive leveling buckle device for tile paving, which is mainly applied to the technical field of decoration engineering appliances and comprises a base and an operating rod, the base is composed of a bottom plate, a connecting plate, a stabilizing plate and a hook plate, the connecting plate is vertically connected with the top surface of the bottom plate, and the hook plate is arranged at the top of the connecting plate. The bottom surface of the bottom plate is vertically connected with at least one stabilizing plate, the edge of the lower part of the stabilizing plate is saw-toothed, a plurality of grooves are uniformly distributed in the top surface of the bottom plate, a horizontally arranged guide groove is formed in one side of the hook plate, a hanging hole is formed in the tail end of the guide groove, the bottom of the hanging hole is tangent to the lower edge of the guide groove, and a notch is formed in the lower part of the connecting plate. By means of the self-adaptive leveling buckle device for tile laying, the tile laying leveling process can be simplified, the tile laying efficiency can be improved, the base is not prone to loosening when hammered, it is avoided that moisture permeates into a base layer to cause tile hollowing or falling off, the tile hollowing rate is reduced, and the tile laying quality is improved.

The utility model relates to the technical field of corrugated boards, in particular to a corrugated board drying and leveling mechanism. Comprising a box body, a conveying belt and a leveling assembly, the leveling assembly comprises a drying module, a leveling plate, two sliding rods, a movable frame, a disc, a circular shaft, a support and a driving rod, the drying module is arranged on the box body, the two sliding rods are both connected with the box body in a sliding mode and both movably penetrate through the box body, and the leveling plate is both fixedly connected with the two sliding rods and both located on the box body; the movable frame is fixedly connected with the two sliding rods and located above the box body, the circular shaft is movably connected with the movable frame and located in the movable frame, the support is located above the box body, the driving rod is rotationally connected with the support, the disc is fixedly connected with the driving rod, and the disc is further fixedly connected with the circular shaft and is eccentrically arranged with the circular shaft. According to the corrugated board flattening device, corrugated boards can be flattened, deformation of the corrugated boards is avoided, and the product quality is improved.

This invention discloses an automatic patching device for down jacket fabric, relating to the technical field of down jacket patching devices. It includes a support frame and an arc-shaped concave plate and a spherical protrusion mounted on the support frame. The support frame is equipped with a flipping mechanism, which includes a flipping frame rotatably mounted on the support frame for flipping the down jacket fabric. The flipping frame is respectively equipped with two sets of upper concave frames and two sets of lower concave frames, each with two sets of limiting plates. Through its designed flipping mechanism, the flipping frame, in conjunction with a side motor structure, can automatically flip the clamped fabric 180 degrees, replacing manual flipping to complete double-sided patching, simplifying the process and avoiding the inefficiency caused by manual intervention. Combined with a lifting hydraulic rod, the clamping distance can be adjusted according to the fabric thickness. Simultaneously, the flipping mechanism, in conjunction with a pushing hydraulic cylinder, achieves automatic feeding, conveying, and flipping, realizing integrated operation of double-sided patching.

This utility model discloses a garment cutting auxiliary device, including a worktable. Two electric slide rails are symmetrically installed on both sides of the top of the worktable. Each electric slide rail has a sliding block with a vertical rod. There are two vertical rods, and a connecting plate is installed between the two vertical rods on one side. A hydraulic cylinder is fixed to the center of the top of the connecting plate. The beneficial effects are: Through the design of the horizontal plate's bottom extension plate and the leveling roller, when assisting in fixing the two ends of the fabric, the motor drives the leveling roller on the rotating shaft to rotate, achieving leveling of both ends of the fabric and applying the same force evenly to both ends, allowing the middle of the fabric to be laid flat on the worktable. Simultaneously, the electric telescopic rod drives the pressure plate to press down, achieving pressure and fixing of the fabric by the pressure plate. This effectively prevents wrinkles from appearing around the pressure plate when it presses down, ensuring the device's auxiliary leveling effect on the fabric.

The present application relates to a kind of porcelain post circuit breaker production test system, including conveying unit, the conveying unit includes conveying guide rail and reciprocatingly moves on conveying guide rail shuttle;Along the conveying direction of conveying unit, total assembly unit, inflation unit, leak detection unit, withstand voltage test unit, supervision unit are sequentially distributed;Tray, for placing porcelain post circuit breaker, realize porcelain post circuit breaker between shuttle, total assembly unit, inflation unit, leak detection unit, withstand voltage test unit, supervision unit circulation.The present application has the advantages that: by the cooperation between conveying unit, total assembly unit, inflation unit, leak detection unit, withstand voltage test unit, supervision unit, with conveying unit as the intermediate medium of transmission, realize the sequential circulation of porcelain post circuit breaker between different units, facilitate circuit breaker withstand voltage, leak detection test, avoid the phenomenon of missed detection.

This invention relates to the field of printers and discloses a heated bed structure, including a heated bed mounting frame and a heated bed body. The heated bed mounting frame is used for fixing the heated bed body on the 3D printer and enabling bidirectional movement of the heated bed body. Several tension adjustment components are provided on both sides of the bottom of the heated bed mounting frame, which are used to adjust the clamping force of the heated bed body. Several leveling mechanisms are provided on both sides of the top of the heated bed mounting frame, which are used to adjust the flatness of the heated bed body. A heating module is provided at the bottom of the heated bed body, which is used to uniformly heat the heated bed body and maintain it at a constant temperature. An insulation component is provided at the bottom of the heated bed body, covering the heating module. The tension adjustment components and leveling mechanisms used in this invention can level the heated bed, ensuring better flatness and improving the quality of 3D printing.

The utility model relates to a leveling workbench for a damage threshold measuring instrument, in particular to the technical field of auxiliary equipment of measuring instruments. The working table comprises a base, a working table body, four leveling assemblies and an anti-skid pad, the working table body is connected with the base through the leveling assemblies, and the four leveling assemblies are distributed at the four corners of the working table body. The leveling assemblies are arranged on the two side walls of the workbench body, whether a leveling bubble deviates or not is observed firstly, if the leveling bubble deviates, a second nut is loosened, an adjusting screw rod is pulled, then a sliding block moves on a sliding rail, then the workbench body is leveled, fixing is achieved by screwing the second nut after leveling, and the leveling effect is good. The leveling operation is simple and convenient, no extra tool is needed, and through cooperation of the connecting rod, the sliding block and the sliding rail, leveling of the workbench body can be achieved, and the stability of the workbench body can be guaranteed.

The utility model relates to the technical field of stamping production, and discloses a stamping part feeding, leveling and transporting device which comprises a support, the right side of the top of the support is fixedly connected with a first fixing plate, the left side of the first fixing plate is fixedly connected with a telescopic rod, and the right side of the outer wall of the telescopic rod is fixedly connected with a second fixing plate. A guide plate is fixedly connected to the left side of the telescopic rod, a clamping groove is formed in the right side of the guide plate, a fixing pipe is fixedly connected to the interior of the clamping groove, a clamping plate is arranged in the fixing pipe, and an extrusion plate is fixedly connected to the left side of the top of the support. According to the stamping part flattening device, the telescopic rod drives the guide plate to move, the extrusion plate flattens a stamping part, the guide groove guides the stamping part, the air pump pumps air and conveys the air to the fixing pipe through the air valve to extrude the clamping plate, the clamping plate clamps the stamping part to move leftwards, the extrusion plate is responsible for flattening the stamping part, and the guide groove guides the stamping part to move, so that the stamping part is flattened; and the leveling effect is improved.

The present application relates to the technical fields of film slitting, in particular to a full-automatic high-speed slitting machine, comprising a lapping piece, two capsules are installed on the top surface of the lapping piece, and a cutting piece is arranged on one side of the lapping piece; further comprising a rotating roller, which is rotatably connected to the lapping piece and used for conveying the object to be slitted, the middle part of the rotating roller is symmetrically provided with two cavities, and a plurality of ring-shaped pieces are slidably connected in the cavities in a ring structure; further comprising a driving mechanism, which is used for driving the rotating roller to rotate; further comprising a flattening mechanism, which is used for flattening the cutting position of the object to be slitted after shearing. Through the rotating roller, the circular ring fixedly connected to the middle part of the rotating roller, and the plurality of ring-shaped pieces movably connected in the rotating roller, the cutting effect of the cutting knife can be ensured; and the flattening mechanism can be used for flattening the cutting position, so that the slitting effect is ensured.

The present application relates to hoisting tool technical field, specifically relates to a kind of heavy load automatic leveling hoisting device, hoisting device includes hanger, multiple first hoist chain and multiple leveling mechanism;The top of hanger is hinged with multiple leveling mechanism, and the bottom is movably connected with multiple first hoist chain;Leveling mechanism includes telescopic device and second hoist chain;The first end of telescopic device is movably connected with second hoist chain, and the second end is movably connected with the top of hanger;Multiple leveling mechanism is arranged around the top of hanger.Compared with the leveling mode that existing chain length is adjusted by hand-operated hoist, the chain of the present application does not need to be length-adjusted, hoisting device is leveled by multiple telescopic devices to hoisting module, and the efficiency of leveling is higher, and the time is shorter;Remote can be operated, and operator does not need to operate by climbing, and the safety of operation is guaranteed;Compared with the manual adjustment mode of hand-operated hoist, the automatic adjustment precision of telescopic device is higher.