82results about How to "Reduce usage limitations" patented technology

The utility model relates to the technical field of metal door and window installation correction assemblies, and solves the problems that the device cannot be used in a scene that the device cannot be connected with a power supply, electrical equipment has a certain possibility of failure and damage and cannot be used when being damaged, and the use limitation of the scheme on the correction device is large. The metal door and window installation correcting assembly comprises a bottom plate, a supporting column is arranged on the top face of the bottom plate, a top plate is fixedly connected to the top face of the supporting column, a rotating assembly is installed on the top face of the top plate through an formed rotating hole, a screw is arranged on the bottom face of the rotating assembly, and a sleeve is in threaded connection with the surface of the screw. A movable plate is installed at the lower end of the sleeve, a pressing plate is installed on the bottom face of the movable plate through a buffering structure, the rotating assembly comprises a shell installed on the top face of the top plate, a rotatable handle is arranged on the top face of the shell, a large gear is installed on the bottom face of the handle, and the side face of the large gear is meshed with a small gear.

The utility model discloses a safety grating convenient to install, which relates to the technical field of safety gratings and comprises a workbench, the top end of the workbench is connected with an adjusting assembly in a clamping manner, the adjusting assembly comprises two mounting plates, one side of one mounting plate is connected with a telescopic plate, and the telescopic plate is in sliding connection with the interior of the other mounting plate. Two clamping rods are slidably connected to the other side of the mounting plate, fixing plates are connected to the two sides of the top end of the workbench, clamping grooves are formed in the two sides of each fixing plate, and the clamping rods are connected with the clamping grooves in a clamped mode; the beneficial effects of the utility model are that through the cooperation of the two mounting plates and the telescopic plate, the distance between the transmitting grating and the receiving grating can be adjusted according to the monitoring range of the workbench, and then the mounting range of the transmitting grating and the receiving grating can be adjusted; and the mounting plate with the position adjusted can be conveniently and quickly mounted on a workbench, and the use limitation of the safety grating is reduced.

The utility model discloses video security monitoring equipment, belongs to the technical field of monitoring equipment, and mainly solves the technical problems that in the monitoring process of monitoring equipment in the prior art, a camera body is fixed in a shell, multi-angle adjustment of the monitoring equipment is difficult, the monitoring range of the equipment is inconvenient to adjust, the use limitation is large, and the monitoring efficiency is high. The monitoring equipment comprises a fixed support, a monitoring camera is rotationally arranged above the fixed support, a rotating column is arranged at the top of the fixed support, a mounting frame is fixedly connected to the top end of the rotating column, the mounting frame is in a U shape, the monitoring camera is located in the mounting frame, and the rotating column is arranged on the top of the fixed support. An adjusting assembly is arranged in the mounting frame, a fixing cover is fixedly connected to the top of the fixing support, a limiting assembly is arranged on the outer surface of one side of the fixing cover, a positioning ring is fixed to the surface of the rotating column, and a plurality of inserting holes are formed in the outer surface of the positioning ring.

The invention relates to the technical field of shear testing machines, in particular to a composite material shear testing machine which comprises a base and a support installed at the top end of the base. The device comprises a support and further comprises a driving device, a testing device, a first hydraulic cylinder, first clamping pieces, a supporting plate and two second hydraulic cylinders, the first hydraulic cylinder is installed at the top end of the support, the two first clamping pieces are installed at the moving end of the first hydraulic cylinder through the driving device, and the driving device is used for driving the two first clamping pieces to move oppositely; the supporting plate and the two first clamping pieces are vertically and oppositely arranged, the supporting plate is installed at the moving ends of the two second hydraulic cylinders, the two second hydraulic cylinders are both installed at the top end of the base, and the testing device is arranged on the base; the positioning operation convenience of the pattern is improved, the complexity of the fixing operation of the pattern by personnel is reduced, and the pattern is subjected to stretching, extruding and twisting tests through the test device, so that the test use limitation is reduced, the multi-purpose effect of one machine is improved, and the working efficiency is improved.

The utility model discloses a modularized combined deformation signboard capable of being quickly updated, and particularly relates to the technical field of signboards, the modularized combined deformation signboard mainly comprises a switching rotating block, a plurality of magnets are embedded and magnetically attracted on the outer wall of the switching rotating block, one side of each magnet is bonded and fixed with a module identification strip, and one side of the switching rotating block is provided with a combined switching assembly; the combined switching assembly comprises a rotating shaft fixedly arranged on one side of the switching rotating block; the combined switching assembly further comprises a sleeve plate, a rotating cap, a linkage shaft and a sleeving plate. The combined switching assembly is adopted, the magnets on the eight module identification strips are magnetically attracted to the switching rotating block to achieve combination, the linkage shaft and the rotating shaft can rotate the switching rotating block, the eight module identification strips are rotated, updated and replaced corresponding to different kindergarten child name identifications, signboards of different shapes and names are rapidly updated and switched, and the kindergarten child name identification switching device is simple in structure, convenient to use and high in practicability. The use limitation is small.

The invention relates to the technical field of detection of building construction, and discloses a hole-finding device for detecting grooves formed in ground-connected walls, comprising a shell, wherein an adjusting mechanism is arranged inside the shell; the adjusting mechanism comprises a motor and a moving rod, a rotating shaft is fixedly installed at the output end of the motor, the bottom end of the rotating shaft is rotatably connected to the bottom end of the inner wall of the shell through a first bearing, a gear roller is fixedly sleeved on the outer wall of the rotating shaft, a sleeve passes through the bottom end of the shell, and the outer wall of the sleeve is rotatably connected to the shell through a second bearing, and a gear is fixedly sleeved on the outer wall of the sleeve. By arranging the adjusting mechanism, the hole-finding mechanism at the bottom can be driven to rotate, so that the groove wall can be detected at 360 degrees, the detection range can be increased, the detection efficiency can be improved, and the problem that it is inconvenient to adjust the angle of the existing hole-finding device, the hole-finding mechanism needs to be disassembled and reassembled when adjusting the angle, which is inconvenient to use and has low detection efficiency is solved.

The utility model discloses an ion fan mounting structure of EOL test equipment relates to EOL test equipment technical field, including fixed bottom plate and ion fan main part, the left and right sides of ion fan main part all are installed with damping pivot, and the end of damping pivot is provided with the axle end cover. This kind of ion fan mounting structure of EOL test equipment, ion fan main part can utilize the design of damping pivot and rotate, and the damping effect of damping pivot can be limited at any angle when ion fan main part is rotated, so that after ion fan main part is installed, angle adjustment can be carried out through damping pivot, which is convenient for users to maintain or adapt to the adjustment according to the required heat dissipation position, reduces the use limitation, and the design of fixed bottom plate and fixed side plate can provide sufficient space for the angle rotation of ion fan main part, and reduce the actual contact surface of ion fan main part.

The utility model discloses an external flip 180-degree super fast charging wire for a luggage, which comprises a USB (universal serial bus) surface cover, a rear cover arranged behind the USB surface cover, a front puncture nail arranged behind the USB surface cover, and a rear puncture nail arranged in front of the rear cover and matched with the front puncture nail for use, and relates to the technical field of luggage. The bag is externally provided with the 180-degree flip cover super fast charging wire, the convenience and practicability are high, a user does not need to hold a power bank for charging, the complexity of holding charging equipment by the user is reduced, good convenience is provided for mobile phone charging, the outer sealing frame and the inner sealing frame are in extrusion contact, sealing waterproof protection on an interface in the USB surface cover is achieved, and the practicability is high. Screws can penetrate through the external threaded holes and the internal threaded holes, so that the rear cover is connected with the USB surface cover, the thickness of cloth and leather which are pressed by the front piercing nails and the rear piercing nails in a crossed manner is adjusted and fixed according to the driving depth of the screws, and the use limitation is small.

This utility model discloses a kilogram weight verification and protection device, belonging to the field of weight verification and protection technology. It includes a protective frame and electrically operated sliding doors. The protective frame has a C-shaped structure and is mounted on a base. Two sets of electrically operated sliding doors are slidably arranged inside the protective frame, and the two sets of doors are staggered. When the two sets of doors slide to the leftmost and rightmost positions of the protective frame respectively, the protective frame and the two sets of doors form a closed structure covering the base. Photoelectric switches are respectively provided on the left and right sides of the protective frame to detect the position of the electrically operated doors. This utility model has a high degree of automation, requires little space, and facilitates the handling of weights.

The invention provides an intelligent mobile operation robot control system and method.The intelligent mobile operation robot control system comprises an intelligent robot body, a mechanical arm is rotationally matched with one side of the top end of the intelligent robot body, the extending end of the mechanical arm is rotationally connected with a rotating block, and the bottom end of the rotating block is rotationally connected with a connecting sleeve; the bottom end of the connecting sleeve is in threaded connection with an electromagnetic chuck; t-shaped grooves are formed in the two ends of the rear side of the intelligent robot body correspondingly, hydraulic frames are arranged at the two ends of the rear side of the intelligent robot body correspondingly, and an inclined plate is fixedly connected to one end of each hydraulic frame. Through the intelligent robot body, the camera, the hydraulic cylinder and the electromagnetic chuck, the intelligent robot body receives a moving operation instruction, then planning is completed through a route, the intelligent robot body completes position movement after planning, and the hydraulic frame can be adopted to complete the conveying effect; and when the position of the part needs to be transferred, the electromagnetic chuck can be adopted to complete electromagnetic adsorption to complete position movement.

The utility model discloses a machining equipment clamp with an adjusting effect, and relates to the technical field of clamps. A universal ball rod is fixedly arranged at the bottom end of the connecting block, a supporting rod is fixedly arranged at the bottom end of the universal ball seat, a ball head of the universal ball rod is rotatably connected into a groove of the universal ball seat, four connecting rods are evenly and fixedly arranged at the two ends of the connecting block, and two positioning blocks are evenly and fixedly arranged at the ends, away from each other, of the four connecting rods. Two positioning plates are evenly and fixedly arranged at the top end of the positioning block, first threaded holes are formed in the two positioning plates, and first threaded rods are screwed into the two first threaded holes. The supporting rod, the rotating groove, the second threaded hole, the round rod, the fixing rod limiting block and the second threaded rod are used in cooperation to rotationally fix the position of the universal ball seat, and the universal ball rod and the universal ball seat are arranged and matched with the stabilizing handle to rotationally fix the positions of the clamp and a workpiece. And the use limitation of the clamp for the machining equipment with the adjusting effect is reduced.

The utility model relates to the technical field of lithium batteries, and discloses a high-safety spot welding splicing device for assembling lithium batteries, which comprises a workbench, a connecting block and a moving mechanism, a fixing frame is fixedly mounted at the top end of the workbench, and the connecting block is fixedly mounted at the top end of the inner wall of the fixing frame through the moving mechanism. An electric telescopic rod is fixedly installed at the bottom end of the connecting block, and a pressing protection mechanism is arranged at the output end of the electric telescopic rod. The pressing protection mechanism comprises a fixing plate and a pressing plate, the pressing plate is arranged below the fixing plate, the fixing plate is fixedly installed at the output end of the electric telescopic rod, by arranging the pressing protection mechanism, the pressing plate can move along with the electric welding machine, the pressing plate can press a nickel sheet at any position on a lithium battery, the use limitation of the device is reduced, and the use efficiency of the device is improved. And by arranging the blocking cover and the transparent cover, a certain protection effect can be achieved on the eyes of people in time in the welding process, and the situation that strong light irritates and harms the eyes is avoided.

The utility model relates to the technical field of wind speed and wind direction measurement, in particular to a meteorological wind speed and wind direction measuring instrument, which is portable and movable for an ultrasonic wind speed and wind direction measuring instrument, and the ultrasonic wind speed and wind direction measuring instrument displays the detection result of wind direction and wind speed through a display screen. When the ultrasonic wind direction and wind speed measuring instrument needs to be fixedly installed and fixed detection is carried out on the same place, the lead screw assembly extends to the position below the grab handle through the through opening under the cooperation of the positioning hole, and the use limitation is reduced; comprising an ultrasonic wind direction and wind speed measuring instrument, a display screen, a grab handle, a cavity, a through opening, a fixing hole and a positioning hole, the display screen is arranged on the ultrasonic wind direction and wind speed measuring instrument, the grab handle is arranged at the bottom end of the ultrasonic wind direction and wind speed measuring instrument, the cavity is formed in the grab handle, the through opening is formed in the bottom end of the grab handle, and the through opening is communicated with the cavity. Two groups of fixing holes and two groups of positioning holes are symmetrically formed in the left and right ends of the grab handle.

This utility model discloses a multimodal inspection drone, including a central body base. Four rotating arms are fixedly installed on the outer surface of the central body base, and the four rotating arms are evenly distributed circumferentially around the central point of the central body base. A steering motor is fixedly installed at the center of the lower surface of the central body base. A rotating connecting seat is fixedly installed at the bottom end of the output shaft of the steering motor. A camera is arranged inside the rotating connecting seat. Rotating shafts are fixedly installed on the outer walls of both ends of the camera. The camera is rotatably connected to the rotating connecting seat through the rotating shafts on both sides. An angle motor is fixedly installed on one outer wall of the rotating connecting seat, and the output shaft of the angle motor is connected to the rotating shaft. The camera of this utility model inspection drone has multiple angle adjustment effects in terms of up and down and left and right, enabling the camera to complete multimodal adjustment work and have a multimodal adjustment effect of shooting angle, effectively improving the inspection shooting effect of the camera.

The utility model discloses a foamed pearl cotton board composite device, including primary frame and secondary frame, primary frame and secondary frame mirror image opposite setting, the bottom inside of primary frame and secondary frame all is provided with linear guide groove, the linear guide groove of primary frame is rotated and is installed with ball screw through bearing, ball screw is positive and negative type thread screw rod, the positive and negative thread of ball screw all is connected with the thread block of screwing, the linear guide groove of secondary frame is fixedly installed with the guide light pole, and two sliding blocks that are adapted with the thread block are slidably sleeved on the guide light pole, and the relative two thread blocks are rotatably installed with the composite roller between the sliding block, and the bottom outer wall on primary frame is fixedly installed with servo motor, the utility model discloses can carry out dynamic spacing size adjustment according to the thickness of different pearl cotton board, so it can be applicable to the pearl cotton board of different thickness and carry out composite processing uses, has good composite size adjustability, and the structure uses more nimble, and the adjustment is convenient.

The utility model relates to cleaning machine equipment field discloses a kind of high-pressure gas cutting pipes of external type height-adjustable for cleaning machine, comprising: high-pressure gas cutting pipe, height adjusting mechanism is provided on the high-pressure gas cutting pipe;The height adjusting mechanism includes main frame, vertical support, screw rod, self-locking screw rod, threaded sleeve, guide rod and sliding sleeve;The vertical support is fixedly installed on main frame, the screw rod is fixedly connected with high-pressure gas cutting pipe, the screw rod is clamped with vertical support, the self-locking screw rod is threadedly connected with threaded sleeve, the threaded sleeve and sliding sleeve are fixedly installed on main frame, the sliding sleeve is slidably arranged on the outside of guide rod.The utility model has following advantages and effects: the height of gas cutting pipe can be flexibly adjusted, so that the nozzle can be as close to the workpiece as possible, while avoiding interference with the workpiece movement, ensuring that the ejected fluid can act on the workpiece surface with appropriate pressure, significantly improving the cleaning effect, and being able to adapt to workpieces of different heights.

The utility model relates to the technical field of environment monitoring, and discloses an environment detection unmanned ship which comprises an unmanned ship body and a detection assembly, a slipway is fixedly installed at the top end of the unmanned ship body, the detection assembly is fixedly installed at the position, close to the front end, of the top end of the unmanned ship body, and a wind driving mechanism is arranged at the top end of the slipway; the wind-driven mechanism comprises a rotating shaft, by arranging the wind-driven mechanism, birds and other birds can be well repelled and threatened during operation detection of the unmanned ship, the birds are prevented from staying on the unmanned ship body, guano or foreign matter is prevented from being left, normal detection of the unmanned ship and detection accuracy are prevented from being influenced, and the subsequent cleaning difficulty of personnel is reduced; the problems that due to the fact that an existing environment detection unmanned ship is not provided with a bird repelling structure, birds possibly stay on a ship body when the unmanned ship is used, normal detection and use of the unmanned ship are affected, and the follow-up cleaning difficulty of personnel is improved are solved.

This utility model discloses a single crystal rod clamping mechanism, including a base, a threaded rod mounted on the base via bearings, a rotating disk fixedly mounted on the right end of the threaded rod; a guide post fixedly mounted inside the base; a moving block screwed onto the outside of the threaded rod; a fixing sleeve fixedly mounted above the moving block, with an insert post fixedly mounted inside the fixing sleeve; an insertion rod inserted into the inside of the fixing sleeve, with a connecting block fixedly mounted between the insertion rod and a clamping ring; a first limiting assembly mounted on the side of the fixing sleeve, comprising a first track, a first T-shaped slider, a connecting block, an end plate, a spring, a handle, a screw, and a threaded sleeve; and a support plate fixedly mounted above the base. This mechanism facilitates the disassembly of the clamping ring and allows for replacement with clamping rings of other sizes, enabling the product to clamp single crystal rods of different sizes, thus minimizing limitations and broadening its applicability.

This utility model relates to the field of air duct switch technology, specifically to a power clamp equipped with a high / low position operating device. It includes a power clamp body, and the operating device includes a bracket connected to the power clamp body. An inner rod is slidably connected to the lower end of one side of the bracket, and a valve assembly is connected to the lower end of the inner rod. The control switch of the power clamp body is integrated on the valve assembly. A control box electrically connected to the valve assembly is located on the outside of the bracket, and a cylinder for controlling the raising and lowering of the inner rod is located on the outside of the bracket. The cylinder is electrically connected to the control box. When the valve assembly needs to be adjusted to a high position, the control box controls the cylinder to extend, causing the inner rod of the bracket to extend and simultaneously lift the valve assembly upwards. When switching to a low position, the control box controls the cylinder to retract, pulling the inner rod of the bracket back, causing the valve assembly to move downwards. The control box allows for rapid switching between high and low positions of the valve assembly, making operation convenient and quick, and effectively reducing the labor intensity of operators.

The utility model relates to the technical field of diamond cutting blade edging, in particular to diamond cutting blade edging equipment capable of recovering chippings, which comprises an edging box hinged with a side door, two grinding rollers which are arranged at the inner top of the edging box in a bilateral symmetry and inclined manner, and an angle adjusting mechanism for adjusting an included angle between the two grinding rollers, a rotating seat capable of being adjusted in a lifting mode is arranged under the two grinding rollers, a locking mechanism is matched with the rotating seat in a threaded mode, and the bottom of the edging box is fixedly communicated with a scrap recycling mechanism. According to the edging device, the two sides can be ground at the same time conveniently, edging angles can be adjusted at the same time conveniently, using limitation is reduced, and the application range is widened.

The utility model provides a waste gas emission detection device for environmental protection equipment, and relates to the technical field of waste gas detection equipment, the waste gas emission detection device comprises two cambered surface base stations, a butt joint outer cover is arranged between one sides of the outer walls of the two cambered surface base stations, and the outer surface wall of each butt joint outer cover is provided with a group of extension plates. A set of locking sleeves are fixedly installed in each extension plate, two built-in supporting plates are fixedly installed in each cambered-surface base table, a set of pneumatic push rods are fixedly inserted in each built-in supporting plate, and the number of the pneumatic push rods in each set is equal to that of the corresponding set of locking sleeves. According to the device, the internal structure is simplified, the overall appearance is reduced, the assembly position is reasonably selected, and the device is accurately spliced with corresponding parts, so that the overall occupied area of environmental protection equipment is reduced, the transfer and installation difficulty of the device is effectively reduced, and the use limitation of the device is reduced.

The utility model discloses a local gold plating device for a titanium alloy plug. The local gold plating device comprises a gold plating pool, the surface of the gold plating pool is fixedly connected with a fixing frame, the top of the fixing frame is fixedly connected with an electric cylinder, the output end of the electric cylinder penetrates into the fixing frame, the output end of the electric cylinder is fixedly connected with a lifting frame, and the interior of the lifting frame is fixedly connected with a lifting plate. The forward and reverse screw rod is driven by the motor to rotate, the forward and reverse screw rod drives the clamping block to move towards one side far away from the pushing plate, the pushing plate is not fixed, the pushing plate and the movable clamping frame are not fixed, the movable clamping frame is loosened, and the titanium alloy plug body cannot be fixed by the movable clamping frame and the fixed clamping seat. According to the local gold plating device, the titanium alloy plug body can be taken out from the interior of the lifting plate, the advantage of low use limitation is achieved, the gold plating device fixes the workpieces in a clamping and fixing mode, local gold plating can be conducted on the workpieces of multiple models in the clamping and fixing mode, and the use effect of the local gold plating device is improved.

The utility model relates to the technical field of intelligent traffic equipment, and discloses an intelligent traffic LED electronic display screen which comprises a display mechanism, a second-level adjusting mechanism arranged on the outer side of the display mechanism, a first-level adjusting mechanism arranged at the bottom of the second-level adjusting mechanism, the display mechanism comprises a rectangular control box, and traffic lights are arranged at the front end of the rectangular control box. An electronic display screen is arranged at the rear end of the rectangular control box, a wireless controller is arranged at the bottom end of the rectangular control box, and a wireless antenna is arranged at the rear end of the wireless controller. According to the utility model, the rectangular control box is arranged, the traffic light is arranged at the front end of the rectangular control box, and the electronic display screen is fixedly mounted at the rear end of the rectangular control box, so that transverse screen display work of traffic information can be carried out, the overall rectangular control box structure is designed to be a rotatable and adjustable structure, and the rectangular control box can be rotated to be vertical; the traffic lights at the front end of the rectangular control box are vertically displayed and used, and the use limitation of the whole intelligent traffic LED electronic display screen is reduced.

The utility model relates to a measuring scale for engineering quality detection, which belongs to the technical field of engineering quality measuring scales, and comprises a measuring scale main body, a storage box and a cover plate, and a storage auxiliary assembly for lifting storage and multi-angle measurement is arranged in the storage box; the storage auxiliary assembly comprises a driving motor fixedly connected to the bottom of the storage box, an output shaft of the driving motor is fixedly connected with a lead screw, the outer surface of the lead screw is in threaded connection with a lifting block, the inner side of the storage box is fixedly connected with a lifting rod, and the top of the measuring ruler body is fixedly connected with a spring. The top of the measuring ruler body is fixedly connected with a pressure sensor, and the front face of the cover plate is rotationally connected with an auxiliary ruler. According to the measuring scale for engineering quality detection, by arranging the storage auxiliary assembly, the functions of lifting storage and multi-angle measurement are achieved, multi-angle measurement is carried out, and compared with an existing measuring scale, the measuring scale is small in use limitation and more flexible.

The invention belongs to the technical field of wear resistance testing, and particularly relates to a wear resistance testing device and method for a luggage pull rod. Comprising a test box; a notch is formed in the test box; a box body is placed in the test box; the box body is positioned in the notch; a pull rod is slidably arranged on the side of the box; a position control clamping unit is arranged on the test box; the position control clamping unit comprises a first base; the two first bases are both mounted at the bottom of the test box; the two ends of the position control lead screw are connected to the opposite faces of the two first bases correspondingly. Two thread areas are symmetrically arranged on the position control screw rod; the thread directions of the two thread areas are opposite; the double-action testing device is arranged on the testing box; the double-action testing device comprises a limiting chute which is arranged at the bottom of the testing box in a penetrating manner; the limiting chute extends to the inner bottom surface of the test box; the pull rod can be smoothly pulled by the device, the device is prevented from being clamped due to the self-locking function of the device in the testing process, the testing effect and efficiency of the device are improved, and the limitation of the device in practical application is reduced.

The invention relates to the technical field of modular houses, in particular to an acid rain resistant barracks, comprising a base, a wall and a roof plate, wherein the wall is installed on the top of the base, and the roof plate is installed on the top of the wall; the base comprises a bottom frame, the bottom of the bottom frame is provided with a foaming sealing coating and a moisture-proof bamboo glue floor substrate, the wall and the roof plate are both made of an integral composite plate, the integral composite plate comprises a steel galvanized frame located inside and closed substrates located on both sides of the steel galvanized frame, the steel galvanized frame is filled with a polyurethane plate, and a glass fiber reinforced plastic plate is provided on the outside of the closed substrate; the barracks can be used in an environment close to the sea, a tidal flat, and in a humid and acid rain environment, thereby extending its service life, filling the gap in use in an acid rain environment, and reducing limitations in use.

The utility model discloses conductive paste filling equipment which comprises a filling base, upper supporting columns are fixedly installed on the two sides of the upper surface of the filling base, a transverse connection top plate is fixedly installed between the top ends of the two upper supporting columns, and a servo motor is fixedly installed in the center of the upper surface of the transverse connection top plate. An output shaft of the servo motor penetrates through the transverse connection top plate to be fixedly connected with a guide screw rod, guide polished rods are arranged on the two sides of the guide screw rod and located below the transverse connection top plate, the outer surface of the guide screw rod is in threaded connection with a threaded block, and the multiple moving blocks can be driven by a single motor to synchronously move up and down; therefore, the overall linkage performance of lifting adjustment can be effectively improved, the use characteristic of up-and-down synchronous movement adjustment is achieved, synchronous lifting adjustment of multiple filling machines can be conveniently completed, the multiple filling machines are driven by a single motor to conduct height adjustment, and therefore the electric power resource loss of equipment can be effectively reduced, and electric power energy and the filling cost can be saved; good environment-friendly use characteristics are realized.

The utility model relates to silicon carbide crystal preparation technical field especially relates to a silicon carbide crystal preparation is used crucible lifting device, including including base, still include: restriction part, install the restriction part on the base, install the placing part on the base and be located restriction part below, and the crucible, the crucible installs in placing part, and then through the adjusting spare drive multiple connecting rods and the pawl move to the direction close to the connecting frame center axle or away, with the can adjust the clamping or release the clamping state to the crucible, rely on multiple connecting rods and the contact of crucible lateral wall, can the lateral wall of the crucible is clamped, rely on multiple pawl and the contact of the lateral wall and the bottom of crucible, can the crucible is clamped and holds, improved the stability in the process of crucible promotion, also make the promotion of the crucible is not restricted to whether the crucible has the pot rim, make the device use limitedness reduce, improved the practicality of device.