51results about How to "Reduce manual adjustment time" patented technology

This invention discloses a planar spiral spring fatigue testing machine, comprising a base, a mounting seat fixedly mounted on the base, a reducer fixedly mounted on the mounting seat, a servo motor fixedly mounted at the rear of the reducer, and mounting brackets symmetrically mounted on the left and right sides of the mounting seat. Each mounting bracket is equipped with a rotatable rotating shaft. The output shafts at both ends of the reducer are nested and fixedly connected to the rotating shafts on the mounting brackets, and the rotating shafts on the mounting brackets are arranged symmetrically front to back. In this invention, the rotating shafts on the mounting brackets are arranged symmetrically front to back and have positioning grooves, so that the spiral springs to be tested are symmetrically installed. After one end is placed, the other end needs to be rotated 180 degrees counterclockwise. The servo motor drives the reducer to rotate, and the reducer and rotating shafts rotate together, causing the spiral springs to rotate. The spiral springs at both ends rotate in the same direction, and the forces on both sides cancel each other out. The torque of the servo motor can be smaller, making it more energy-efficient and effective.

The utility model discloses a bamboo chip multi-layer hot-press shaping device which comprises a supporting press-fit device and a positioning adjusting device, the positioning adjusting device is arranged on the supporting press-fit device, the supporting press-fit device comprises a supporting main frame, the two ends of the supporting main frame are fixedly connected with limiting frames respectively, and the limiting frames are arranged on the supporting main frame. A two-way threaded rod is arranged on the inner side of the limiting frame, two positioning sliding blocks are symmetrically connected to the two-way threaded rod in a threaded mode, the positioning adjusting device comprises a supporting bottom plate and a bamboo chip, and two side edge positioning plates are symmetrically and movably connected to the top end of the supporting bottom plate. Through the linkage design of the two-way threaded rod and the positioning sliding block in the supporting and pressing device, precise adjustment of the pressing width is achieved in cooperation with scale marks on the limiting frame, the bamboo chip stacking and positioning precision and efficiency are improved, the positioning and adjusting device is of a side edge positioning plate and threaded rod combined structure, the limiting sliding rod is combined for guiding, and the positioning and adjusting device is simple in structure and convenient to use. And it is ensured that the bamboo chips are stable in position and convenient to discharge in the pressing process.

A loader frame articulation structure, belonging to the field of engineering machinery, includes a front frame and a rear frame, connected by an articulation assembly. The articulation assembly includes an articulation shaft, which is fixedly mounted on the front frame, and the rear frame is rotatably connected to the articulation shaft. The articulation shaft includes a cylindrical portion and a truncated cone portion. The truncated cone portion is fixedly mounted on the upper end of the cylindrical portion and installed within an articulation hole in the front frame. A mounting plate is mounted on the upper end of the truncated cone portion, and the mounting plate is fixedly connected to the front frame by bolts. The cylindrical portion is rotatably connected to the rear frame, and the lower end of the cylindrical portion is connected to the articulation hole on the front frame via a bushing. The use of a conical surface fit at the loader's articulation structure significantly improves the assembly accuracy and connection strength at the articulation point, thereby solving the connection strength problem at the articulation point under extreme working conditions and the fatigue wear problem caused by the increasing use time of the loader, effectively reducing the failure rate of the loader product.

This utility model relates to the field of workpiece processing technology, and discloses a positioning component and a turning device. The positioning component includes a base plate assembly. At least one workpiece groove is formed on the first side plate of the base plate assembly. The workpiece groove is used for embedding and fixing the first end of the workpiece while exposing the second end for processing. An air supply connector is formed on the base plate assembly, and an air outlet is provided in the workpiece groove. The air supply connector and the air outlet are connected by an air duct. This design combines versatility and safety, achieving reliable workpiece fixation while simplifying the structure, avoiding stress damage during the turning process, and adapting to the load-bearing and turning requirements of workpieces of different shapes. It solves the technical problem that existing fixtures have limited applicability and are prone to workpiece damage during movement.

The present application relates to the technical field of aluminum hose processing, and discloses an aluminum packaging hose conveying device, which comprises two vertical plates arranged in parallel, a synchronous belt conveying assembly extending between the two vertical plates and along the length direction of the vertical plates, and a plurality of V-shaped material loading plates uniformly fixed on the synchronous belt of the synchronous belt conveying assembly; the device further comprises a slide plate fixed at one end of the vertical plate and connected with the discharge end of the synchronous belt conveying assembly, two main pipe connection frames symmetrically arranged at the bottom of the slide plate, a vice pipe connection frame arranged on the side of the main pipe connection frame away from the slide plate, and the main pipe connection frame and the vice pipe connection frame both being V-shaped structures; the device is provided with a set of pipe limiting units on both sides of the synchronous belt conveying assembly, so that the pipes on the conveying belt cannot be moved, and the two sets of pipe limiting units can be synchronously adjusted by using the adjusting unit, so that the pipe limiting units can limit and place packaging hoses with different diameters and length specifications, and the use range of the conveying device is expanded.

This application relates to a neurostimulator, a system, a neurostimulator control method, and a storage medium. The neurostimulator includes: a storage module storing historical usage data of the neurostimulator, including historical levels of stimulation signals output by the neurostimulator during past periods of operation; a control module for determining the target level of the neurostimulator upon current power-on based on the historical usage data; and an output module for outputting a stimulation signal corresponding to the target level. This application improves ease of use while ensuring safe operation.

The utility model discloses a multi-layer insulating glue pressing device for a dispensing driving plate, which is applied to the technical field of electronic engineering, adopts a two-side clamping design, can effectively improve the pressing stability and precision of parts, can uniformly distribute pressure, avoids deviation or deformation of a glue layer caused by single-side stress, and improves the product quality. Two-side clamping can adapt to parts of different sizes, the production compatibility and efficiency are improved, the manual adjustment time is shortened, and the clamping device is suitable for the automatic production scene of electronic elements; according to the vertical multi-layer synchronous pressing design, the production efficiency can be remarkably improved, accurate pressing of multiple parts can be completed at a time, the time consuming problem of layer-by-layer operation is avoided, it is ensured that all layers are evenly stressed through the structure, the adhesive layer thickness deviation or dislocation risk is reduced, meanwhile, the consistency of insulating performance is kept, and space is saved through vertical layout.

The utility model discloses a convenient wire arrangement device for wind power generation installation, including wire arrangement frame, clamping mechanism and running component, the clamping mechanism includes rotary lever, sliding block, spring, positioning rack and auxiliary assembly the auxiliary assembly includes fixed plate, first bolt and gyro wheel, the running component includes second bolt, third bolt, fixed part and movable part, under the mutual cooperation of above -mentioned mechanism, this device passes through the clamping mechanism fixed cable, avoids the cable displacement because of wind vibration or unit yaw rotation, reduces friction loss, in addition, the clamping block of this device can move along the slide rail to position quickly, reduces manual adjustment time, and the clamping block can move along the slide rail, and accurate matching wiring requirement, and the distance between each cable is same, thereby more beautiful.

The utility model relates to the technical field of compressor shell machining equipment, in particular to a compressor shell pressing mechanism which comprises a workbench, a through hole is formed in the center of the workbench, four supporting rods are arranged in the through hole, and the four supporting rods are arranged in the vertical direction and circumferentially distributed in the through hole at equal intervals. A driving assembly used for driving the four supporting rods to be opened and closed synchronously is arranged on the workbench, a fixing frame is fixedly connected to the workbench and is in an inverted-U shape, two downward-pressing air cylinders are arranged on the fixing frame in a sliding mode, and an adjusting assembly used for adjusting the distance between the two downward-pressing air cylinders is arranged on the fixing frame. The end of a piston rod of the downward pressing air cylinder is connected with a pressing head, and the workbench is further provided with an auxiliary assembly used for assisting in positioning the compressor shell. The compressor shell pressing tool has the advantages that the compressor shell pressing tool can adapt to compressor shells of different specifications, and the practicability and the use efficiency of the compressor shell pressing tool are improved.

This utility model discloses a non-excavation grouting repair device for dike cracks in water conservancy reinforcement, belonging to the field of dike engineering technology. The device includes a grouting assembly and a scraper assembly. The grouting assembly includes a shell and a grouting head penetrating the middle of the shell. The grouting head is connected to a feeding hose. An electric telescopic rod is installed inside the shell, and the telescopic end of the electric telescopic rod is fixedly connected to a push plate, which is fixedly connected to the grouting head. During grouting, the scraper of this utility model moves closely against the dike crack opening, using mechanical extrusion to expel air from the crack and push the grout to penetrate deeper. The electric telescopic rod drives the reciprocating motion of the elastic pressure plate, further squeezing the grout into the crack opening, effectively solving the problem of hollow areas easily appearing in deep cracks, thereby improving the grout filling efficiency and density, and enhancing the structural stability of the dike.

The utility model provides a kind of traditional Chinese medicinal material wildness imitated rock wall planting fixing device.The traditional Chinese medicinal material wildness imitated rock wall planting fixing device includes: base and be used for fixing plant U-shaped limiting component in the base upper portion;First U-shaped block is fixedly installed on the base;Connecting block is rotatably installed on the first U-shaped block;First telescopic rod is fixedly installed on the connecting block top for adjusting the height of U-shaped limiting component;Fixed block is fixedly installed on the first telescopic rod top end;Second telescopic rod is rotatably arranged on the side of the fixed block for horizontally adjusting U-shaped limiting component.The traditional Chinese medicinal material wildness imitated rock wall planting fixing device provided by the utility model is designed with height-adjustable, multi-angle fixing and self-adaptive limiting, effectively solves the problem that traditional fixing device cannot adapt to plant growth and is complicated to operate.

This invention provides a device and method for aligning a ship's stern tube using laser tracking, wherein the device includes a rotating component, a telescopic rod, a first base platform, and a second base platform; the telescopic rod includes a fixed rod and a movable rod; the fixed rod is vertically fixed to the rotating component; the first base platform is connected to the fixed rod; the second base platform is connected to the movable rod; the rotating component is hollow tubular. This invention's device and method for aligning a ship's stern tube using laser tracking solves the problems of low measurement accuracy, significant influence of subjective factors on measurement results, and low measurement efficiency in existing technologies.

A device for rapidly searching edges and positioning a fine-hole discharge part comprises a clamping device used for preventing a workpiece from moving in machining, the upper side of the clamping device is fixedly connected with a positioning jig used for rapidly searching edges and positioning, and the positioning jig and the clamping device jointly clamp the fine-hole discharge part used for machining. The positioning jig accurately positions the part, the manual adjustment time is shortened, the clamping device has a quick clamping and releasing function, and the clamping process is accelerated. The utility model provides a device for quickly searching edges and positioning fine hole discharge parts, the flexibility and adjustability of the positioning jig enable the positioning jig to adapt to workpieces with different sizes and shapes, the vice is used as a universal clamp and is also applicable to various processing scenes, and the combination of the positioning jig and the vice increases the universality and the application range of processing.

This utility model relates to a fixing fixture for machining starter stators, belonging to the field of starter stator machining technology. It includes a fixture base and a positioning table, with fixture components mounted on the positioning table. The positioning table includes a frustum mounted on the fixture base. This fixing fixture for machining starter stators has three positioning fixtures evenly distributed circumferentially. Through synchronous transmission via gears and racks, it ensures that the center of the stator base coincides with the rotation center of the frustum. An M-shaped rubber pad accommodates minor deformations on the stator base surface, preventing indentations or damage caused by rigid clamping. A rotary cylinder enables rapid clamping or releasing. A dual-brake motor, in conjunction with a control system, precisely controls the rotation angle of the frustum, reducing manual adjustment time. The fixture components and drive components are installed independently, allowing for adaptation to different stator base specifications by replacing the positioning fixtures, thus offering strong versatility. The motor has a built-in brake function, locking the frustum position during power failure to prevent accidental rotation during machining, improving safety.

This utility model belongs to the field of power battery protection technology, specifically relating to an automatic positioning and guiding mechanism for the protective film of a U-shaped frame side panel of a power battery. It includes a protective frame and protective side panels, with the side panels installed on both sides of the protective frame. Positioning and guiding mechanisms are provided on both sides of the side panels. Each positioning and guiding mechanism includes a base, a vertical plate, a vertical groove, a bidirectional threaded rod, a connecting block, a connecting plate, and a guide component. The vertical plate is fixedly connected to the top of the base. The vertical groove is formed inside the vertical plate. One end of the bidirectional threaded rod is connected to the bottom of the inner wall of the vertical groove via a bearing, and the top end of the bidirectional threaded rod extends to the top of the vertical plate. This utility model provides an automatic positioning and guiding mechanism for the protective film of a U-shaped frame side panel of a power battery, which can assist the protective film in automatically and accurately aligning and installing with the protective side panel. This not only reduces the time required for manual adjustment and increases production speed but also avoids human error, ensuring that the installation position of the protective film meets the requirements.

The utility model relates to the field of electrical equipment line installation, in particular to a line installation structure which comprises an upper shell and a lower shell which are matched with each other, a first stud is arranged on a bearing table in the upper shell and sequentially sleeved with a bottom gasket, a magnetic ring and a top gasket, and a second stud is arranged at the corresponding position in the lower shell. When the upper shell and the lower shell are installed, the two studs are in butt joint, an electric wire in the motor control module can be wound on the magnetic ring, the bearing tables are matched with the end face of the second stud to clamp the gasket and the magnetic ring, the upper shell can be provided with a plurality of bearing tables, the bearing tables are provided with limiting pieces in a surrounding mode to position the magnetic ring, the end of the second stud is provided with an installation groove, and the studs are provided with reinforcing ribs. The magnetic ring is made of ferrite materials, and a winding groove is formed in the peripheral face. According to the invention, the effects of shielding electromagnetic interference generated by the motor and enabling the electric wire to form a regular wire concentration path are achieved.

This application relates to the field of tunnel engineering construction technology, and in particular to a rear bottom plate assembly trolley, including a trolley mechanism. The top of the trolley mechanism is equipped with a quick-release mechanism, and the top of the quick-release mechanism is equipped with a grouting mechanism. This utility model, through the configuration of a positioning platform, rollers, a first limiting block, a second limiting block, and a gantry frame and limiting rod of the quick-release mechanism, achieves rapid installation and stable positioning of the grouting mechanism via a locking relationship. This is achieved through the interlocking of the bottom locking block of the positioning platform with the top locking slot of the gantry frame, the rolling contact between the rollers and the second slide rail locking slot of the grouting mechanism between the limiting blocks, and the locking relationship of the limiting rod being driven by a servo motor to lift and insert into the locking slot. This allows the quick-release mechanism to quickly install and stably limit the grouting mechanism through locking positioning and roller guidance. Thus, this device achieves the effect of convenient disassembly and precise positioning of the grouting mechanism through a modular quick-release structure, significantly improving construction efficiency and reducing manual adjustment time.

The utility model relates to the technical field of elevator accessory transfer, and discloses a transfer device for elevator accessory production, which comprises a frame, a transfer box and an L-shaped placing plate, a pull limiting mechanism is arranged on the right side of the upper surface of the frame, and the pull limiting mechanism comprises a fixing plate, a limiting spring, a telescopic rod and a fillet block. And a limiting groove is formed in the center of the interior of the L-shaped placing plate. According to the transfer device for elevator accessory production, a fillet block is automatically clamped into a limiting groove of an L-shaped containing plate under the action of a limiting spring and a telescopic rod, it is ensured that the L-shaped containing plate is stable and not loosened in the elevator accessory containing process, and the situation that accessories slide down due to vibration or inclination is avoided; the L-shaped placing plates and the rectangular strips at the bottom of the transfer box are designed in a sliding fit mode, fixing or taking-out can be completed only by pushing and pulling during loading and unloading, the working efficiency is improved, then the problem of how to place elevator accessories more quickly is solved, and the effect of more convenience during transfer and placement can be achieved.

The invention discloses an automatic powder tank fast-assembly seaming pinch roller mechanism which comprises a seaming pinch roller, a seaming pinch roller, a seaming pinch roller core shaft, a seaming pinch roller, a seaming pinch roller, a seaming pinch roller core shaft and a seaming pinch roller core shaft core shaft, and the seaming pinch roller core shaft is provided with external threads; the movable seat is provided with a core shaft through hole, and the core shaft through hole is provided with an internal thread corresponding to the pressing wheel core shaft; a through hole between the fixed seat and the movable seat is closed to form a mechanism mounting shaft hole; the fastening assembly is used for fastening the movable seat and the fixed seat; wherein the upper side of the movable seat is provided with a pressing wheel seaming position adjusting scaleplate surrounding the mandrel through hole, the center of the pressing wheel mandrel is provided with an inner hexagonal position adjusting process hole, and one side of the position adjusting process hole is provided with scale marks corresponding to the pressing wheel seaming position adjusting scaleplate. The device is easy to install, accurate in mechanism positioning and high in application reliability, manual adjustment time is shortened, manual debugging skills are reduced, and the device can adapt to seaming of tank types of various diameter specifications under the same condition that a mold is not replaced.

The utility model relates to steel structure column foot anchor bolt construction technical field discloses a kind of anchor bolt type column foot mounting device and anchor bolt assembly with protective sleeve, anchor bolt type column foot mounting device includes: sleeve, with anchor bolt one-to-one corresponding cooperation, the diameter of sleeve is greater than anchor bolt diameter and less than anchor bolt nut diameter;Anchor bolt includes threaded portion, sleeve length covers threaded portion and extends along the direction away from anchor bolt and forms guide portion.Sleeve with diameter greater than anchor bolt stem but less than nut is set, the threaded portion of anchor bolt can be completely wrapped, effectively avoid the mechanical collision of bottom plate hole wall and threaded segment when column bottom plate falls, prevent plastic deformation even local defect of thread tooth shape, ensure that nut is smoothly installed in later period.Simultaneously, the guide portion formed by sleeve extension can guide anchor bolt to accurately pass through anchor bolt hole of column bottom plate when column foot is installed, reduce artificial adjustment time, improve construction efficiency, and reduce the thread abrasion risk caused by repeated alignment.

The utility model belongs to the technical field of tool structures, and relates to a tool structure for installing an external roller, which comprises fixed seats arranged at two ends of the roller, and the roller is rotatably connected with the fixed seats; the device further comprises a fixed end fixedly connected to one of the fixed seats, a motor bottom plate is connected to the side, away from the roller, of the fixed end, and the motor bottom plate is used for installing a motor; a pull rod is arranged between the motor bottom plate and the fixed end, one end of the pull rod is connected to the end, away from the fixed end, of the motor bottom plate, and the other end of the pull rod is connected to the top of the fixed end to form a cable-stayed structure. According to the utility model, through the innovative cable-stayed structure and the modular design, the base-free installation of the motor on the external roller is realized. According to the core scheme, an L-shaped combined structure of the fixed end and the motor bottom plate is adopted, a cable-stayed supporting system is formed in cooperation with the pull rod, and a complex base system needed for installation of a traditional roller motor is remarkably simplified.

The invention discloses a method for generating paragraphs of a PDF (Portable Document Format) vertical text. The method comprises the following steps: identifying and extracting characters in the PDF; removing repeated and overlapped characters according to the extracted characters; dividing the rejected characters into a plurality of areas; identifying whether characters are vertically arranged in each area; performing paragraph recognition on the vertical character region; and obtaining the vertical character paragraphs after identification. According to the method, the vertical character paragraphs in the PDF document can be correctly generated, and the time for manual adjustment after manual copying or copying of characters in a wrong sequence is greatly saved.

The utility model discloses a flange inclined hole machining device which comprises a bottom plate, at least four lifting air cylinders are arranged above the bottom plate, output shafts of the four lifting air cylinders are sleeved with sleeves, the upper portions of the four sleeves are jointly and fixedly connected with a circular ring, and a fluted disc is arranged above the circular ring in a sliding fit mode. An electric cylinder is arranged above the fluted disc, a sliding rod is arranged below the fluted disc in a sliding fit mode, an output shaft of the electric cylinder penetrates through a through hole formed in the fluted disc to be connected with one end of the sliding rod, and a first connecting rod and a second connecting rod which are movably connected with each other are arranged between the other end of the sliding rod and the fluted disc. A driving gear and an auxiliary gear of a second motor are meshed with the outer edge tooth part of the fluted disc, so that accurate angle adjustment of the fluted disc is realized; the motor controls the rotation angle of the fluted disc, manual flange position adjustment is avoided, and angle consistency of inclined holes is ensured.

The utility model relates to a hole milling chiseling machine, and belongs to the technical field of engineering construction. Comprising a machine body and a crawler-type chassis assembly, crawler wheel assemblies are arranged on the two sides of the crawler-type chassis assembly, a power assembly is integrated on the machine body, a platform lifting adjusting device for driving the construction platform to ascend and descend is installed on the front side of the machine body, and the platform lifting adjusting device is connected with the crawler-type chassis assembly. And the milling chiseling head assembly is mounted on the construction platform through the mechanical arm assembly. The hole milling and chiseling machine has the advantages that the mechanical arm assembly is additionally arranged, the work freedom degree of the milling and chiseling head assembly can be expanded, the limitation of single-freedom-degree work of traditional chiseling equipment is broken through, the mechanical arm assembly is matched with the platform lifting adjusting device in a cooperative mode, and the work flexibility of the hole milling and chiseling machine is improved. A hole to be chiseled can be manually and rapidly positioned, manual adjusting time is shortened, chiseling work is completed through a simple mechanical structure, time and labor are saved, stability is good, operation is convenient, and mass production can be achieved.

The utility model discloses a kind of water baffle for farmland water conservancy, belong to farmland water conservancy technical field, comprising: baffle main body and two mounting frames;Two rectangular grooves are respectively set in baffle main body both sides, two The extension plate compatible with being equipped in two rectangular grooves, two The extension plate other end is respectively rested on the inner wall of two mounting frames;The utility model can drive extension plate to slide along preset track steadily when rotating screw rod, realize the flexible adjustment of the size of water baffle, make it can accurately adapt to different width farmland ditch or gate, without frequent replacement equipment due to size difference, significantly reduce equipment procurement and maintenance cost, while simplifying operation process, reduce manual adjustment time, not only improve the versatility of equipment in complex farmland environment, more enhanced flexibility and response efficiency of irrigation system, so that the applicability of water baffle for farmland water conservancy is better.

Embodiments of the present application disclose a screen layout determination method and device, equipment and a storage medium, and relate to the technical field of computers. The method comprises: performing canvas feature recognition on a large-screen design file corresponding to a target screen to determine canvas feature information; matching the canvas feature information with template feature information of each layout template in a preset layout knowledge base to determine matching data; selecting a target layout template from the preset layout knowledge base according to the matching data and heat data of each layout template; and performing layout presentation on the target screen based on the target layout template. The above scheme can automatically match a screen layout suitable for presentation on the target screen according to the large-screen design file, thereby realizing dynamic adaptive adjustment of the layout, adapting to current scene presentation, meeting the needs and preferences of users, and improving the visual experience and personalized experience of users.

The utility model discloses a loading assembly convenient for identifying various jigs, which comprises a base and a clamping jig, the clamping jig is detachably connected with the base, one side of the base is provided with a resistance sensing piece, one side of the clamping jig is provided with a resistance element, and when the clamping jig is connected with the base, the resistance sensing piece is connected with the resistance element. The resistance element is in contact with the resistance induction piece, and the resistance induction piece is used for detecting the resistance value of the resistance element so as to identify the clamping jigs of different models. According to the utility model, manual adjustment time can be saved, and detection efficiency is improved.

The utility model discloses a curing device for engineering construction concrete, which comprises a square frame, a plurality of supporting rods and a plurality of supporting rods, the grid frame is mounted at the lower part in the square frame; the water storage frame is arranged in the square frame, and a plurality of maintenance needle holes are formed in the lower surface of the water storage frame; the square annular top plate seat is arranged at the upper part in the square frame, and a sealing cover plate is arranged above the square annular top plate seat; the maintenance water pipes are arranged on the side surfaces of the two sides in the square frame; and the spliced water pipe is mounted in the center of the four side surfaces outside the square frame. By means of the modular arrangement of the square frame, the concrete curing requirements of different areas can be met, the manual adjusting time is shortened, and the assembling speed can be increased through connection of the quick-connection male head and the quick-connection female head; by means of the maintenance needle holes in the water storage frame, water can seep out slowly, waste of water resources is reduced, meanwhile, by means of sealing of the water storage frame and the sealing cover plate, evaporation loss of water is reduced, and the water resources are saved.

The utility model belongs to the technical field of lifting appliance for pallet, disclose a kind of lifting appliance special for wood pallet base, including support frame, limit sliding slot is set in support frame inboard, both ends of limit sliding slot are slidably connected with sliding block, support frame upper side is fixedly connected with support plate, and the left and right sides of support plate are equipped with the extension plate slidably connected with support frame, two extension plates are fixedly connected with corresponding sliding block respectively, support plate below is equipped with the two-way screw rod rotationally connected with support frame, and the two threaded sections of two-way screw rod are respectively threadedly connected with corresponding sliding block, driving sleeve is fixedly connected in two-way screw rod middle part, and the both ends of support frame lower side are fixedly connected with flat band baffle piece.The lifting appliance of the utility model is strong in applicability, the relative position of the two extension plates can be adjusted according to the size of the wood pallet, so that the wood pallet of different sizes can be supported;It has good protection effect, can prevent the sling from directly rubbing the edge of the pallet during lifting, and reduces the deformation and cracking risk of the wood pallet stringer.