CN223587844U - Cluster type water jet cleaning device - Google Patents

Abstract

The utility model relates to a cluster water jet cleaning device, which belongs to the technical field of high-pressure water jet cleaning and comprises a supporting box, wherein a high-pressure water jet nozzle is arranged on the upper side of the supporting box, a disassembly and assembly mechanism for facilitating disassembly and fixation is arranged on the outer side of the high-pressure water jet nozzle, a height adjusting mechanism for adjusting the height of the high-pressure water jet nozzle is arranged in the middle of the inner bottom wall of the supporting box, and the disassembly and assembly mechanism comprises a fixed seat, a driving motor, two fixed boxes, a rotating rod, four rotating spur gears, four toothed plates and two clamping plates. This water jet belt cleaning device tied in a bundle can make high-pressure water jet shower nozzle switch at will under fixed and handheld mode through the dismouting mechanism that sets up to not only solved the high problem of staff intensity of labour, can wash the narrow space and the complex pipeline on work piece surface through handheld simultaneously, improved flexibility and the cleaning performance when operating.

Description

Cluster type water jet cleaning device

Technical Field

The utility model relates to the technical field of high-pressure water jet cleaning, in particular to a cluster type water jet cleaning device.

Background

The cluster type water jet is characterized in that the special water pipe design is adopted, so that the water flow sprayed out of the spray head has the effect of cluster type, the high-pressure water jet is a high-tech cleaning technology which is internationally developed, and the high-pressure water jet cleaning has the characteristics of low cleaning cost, high speed, high cleaning rate, no damage to the cleaned objects, wide application range, no environmental pollution and the like.

According to the utility model, the adjustable high-pressure water jet cleaning mechanism comprises a fixed base, a supporting plate is fixedly connected to the rear side of the fixed base, a lead screw is rotatably connected to an inner cavity of the supporting plate, a limit sliding block is connected to the surface thread of the lead screw, a swinging mechanism is arranged at the front end of the supporting plate and connected with the limit sliding block, a fixed plate is fixedly connected to one end, far away from the limit sliding block, of the swinging mechanism, a high-pressure spray head is fixedly arranged on the surface of the fixed plate, an electric telescopic rod is arranged at the front end of the fixed base, and the movable plate can be driven to swing up and down through rotation of a driving plate, so that the spraying angle of the high-pressure spray head can be adjusted as required.

Disclosure of utility model

Aiming at the defects of the prior art, the utility model provides a cluster type water jet cleaning device which has the advantages of high operation flexibility and the like, and solves the problems that the high-pressure spray nozzle is fixed with a fixed plate, so that the high-pressure water jet cleaning device has poor operation flexibility and is inconvenient to clean when facing a complex pipeline and a narrow space on the surface of a workpiece, and the cleaning is not thorough and the operation is inconvenient.

The cluster type water jet cleaning device comprises a supporting box, wherein a high-pressure water jet nozzle is arranged on the upper side of the supporting box, a disassembly and assembly mechanism for facilitating disassembly and fixation is arranged on the outer side of the high-pressure water jet nozzle, a height adjusting mechanism for adjusting the height of the high-pressure water jet nozzle is arranged in the middle of the inner bottom wall of the supporting box, and universal wheels are fixed at the left end and the right end of the lower surface of the supporting box;

The disassembly and assembly mechanism comprises a fixing seat, a driving motor, two fixing boxes, a rotating rod, four rotating spur gears, four toothed plates and two clamping plates, wherein the fixing seat is arranged on the outer side of a high-pressure water jet nozzle, the driving motor is fixed on the left side of the fixing seat, the two fixing boxes are respectively connected to one side opposite to the left side wall and the right side wall of an inner cavity of the fixing seat through bearing rotation, the rotating rod is connected between one side opposite to the inner bottom wall of the fixing box through bearing rotation, the four rotating spur gears are fixed at the upper end and the lower end of the outer surface of the rotating rod, the rotating spur gears are connected with the toothed plates in a meshed mode, the two clamping plates are fixed on one side opposite to the toothed plates at the left end and the right end, the two damping plates are arranged on one side opposite to the clamping plates, and a plurality of spring damping rods are fixed on one side opposite to the damping plates.

Through adopting this technical scheme, can make high-pressure water jet shower nozzle switch at will under fixed and handheld two modes through the dismouting mechanism that sets up to not only solved the high problem of staff intensity of labour, can wash the narrow space and the complicated pipeline on work piece surface through handheld simultaneously, improved flexibility and the cleaning performance when operating.

Further, the length of the high-pressure water jet nozzle in the vertical direction is smaller than that of the clamping plate in the vertical direction, and the cross section of the clamping plate is inverted U-shaped.

By adopting the technical scheme, the high-pressure water jet nozzle can be stably clamped.

Further, the output shaft of driving motor runs through the left side wall of fixing base inner chamber and is fixed with left end fixed box, the upper surface of dwang runs through the interior roof of fixed box and extends to the upside of fixed box and is fixed with the handle.

Through adopting this technical scheme, the output shaft of accessible driving motor rotates and drives the rotation of left end fixed box, and then is convenient for adjust the angle of high-pressure water jet shower nozzle.

Further, the upper and lower both ends rotate the upper and lower both ends of straight-tooth wheel symmetry in the horizontal axis of dwang, the pinion rack is located the rear side that rotates the straight-tooth wheel, the shock attenuation board is the rubber slab, two the splint opposite one side all is fixed with the rubber backing plate, the other end and the rubber backing plate of spring shock attenuation pole are fixed.

Further, the through holes are formed in the upper end and the lower end of the opposite side of the fixed box, the size of the inner cavity of each through hole is larger than that of each toothed plate, the telescopic loop bars are fixed at the upper end and the lower end of the inner wall of the opposite side of the fixed box, and the other side of each telescopic loop bar is fixed with the toothed plate.

Through adopting this technical scheme, the through-hole of setting is convenient for the removal of pinion rack, and the flexible loop bar of setting can carry out spacingly to the removal of pinion rack.

Further, the height adjusting mechanism comprises a double-shaft motor, two screws, two threaded sleeves, a lifting plate, a lifting table, a positioning plate and an electric push rod, wherein the double-shaft motor is fixed at the middle part of the inner bottom wall of the supporting box, the two screws are respectively fixed with two output shafts of the double-shaft motor, the other side of each screw is rotatably connected with the inner side wall of the supporting box through bearings, the threaded sleeves are in threaded connection with the screws, the lifting plate is arranged in an inner cavity of the supporting box, the left end and the right end of the lower surface of the lifting plate are hinged with one side opposite to the threaded sleeves through a hinging seat and a hinging rod, the lifting table is fixed on the upper surface of the lifting plate, the positioning plate is fixed at the right end of the upper surface of the lifting table, and the electric push rod is fixed on the right side of the positioning plate.

Through adopting this technical scheme, under the effect of accessible altitude mixture control mechanism and driving motor, adjust high-pressure water jet nozzle's height, horizontal position and angle to can be convenient for the staff carry out comprehensive cleaning to the surface of work piece, improve the efficiency of work.

Further, both ends all are fixed with the draw runner about the supporting box inner wall, horizontal rectilinear motion is done at the inner chamber of draw runner to the bottom of swivel nut, the spacing groove has all been seted up to the relative one side of supporting box inner chamber left and right sides wall, both ends all are fixed with the stopper about the lifter plate, the stopper is linear motion about the inner chamber in spacing groove.

Through adopting this technical scheme, the draw runner that sets up can carry out spacingly to the removal of swivel nut, makes the swivel nut can only carry out rectilinear motion, and stopper and the spacing groove that set up can be spacing to the removal of lifter plate, makes it do upper and lower linear motion.

Further, the mounting hole has been seted up to the upper surface of supporting box, the size of mounting hole inner chamber is greater than the size of elevating platform, electric putter's piston rod is fixed with the fixing base, the lower fixed surface of fixing base has the movable block, the spout has been seted up to the upper surface of elevating platform, the movable block is horizontal rectilinear motion at the inner chamber of spout.

By adopting the technical scheme, the horizontal position of the high-pressure water jet nozzle can be adjusted by the extension of the piston rod of the electric push rod.

Compared with the prior art, the technical scheme of the application has the following beneficial effects:

1. This water jet belt cleaning device tied in a bundle can make high-pressure water jet shower nozzle switch at will under fixed and handheld mode through the dismouting mechanism that sets up to not only solved the high problem of staff intensity of labour, can wash the narrow space and the complex pipeline on work piece surface through handheld simultaneously, improved flexibility and the cleaning performance when operating.

2. This water jet belt cleaning device tied in a bundle, under the effect of accessible altitude mixture control mechanism and driving motor, adjust high-pressure water jet shower nozzle's height, horizontal position and angle to can be convenient for the staff carry out comprehensive cleaning to the surface of work piece, improve the efficiency of work.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic view of the assembly and disassembly mechanism of the present utility model;

FIG. 3 is a schematic view of the height adjustment mechanism of the present utility model;

FIG. 4 shows a screw according to the utility model and a schematic structural view of the screw sleeve.

The device comprises a supporting box 1, a high-pressure water jet nozzle 2, a dismounting mechanism 31, a fixing seat 32, a driving motor 33, a fixing box 34, a rotating rod 35, a rotating spur gear 36, a toothed plate 37, a clamping plate 4, a height adjusting mechanism 41, a double-shaft motor 42, a screw rod 43, a screw sleeve 44, a lifting plate 45, a lifting table 46, a positioning plate 47 and an electric push rod.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1, the cluster type water jet cleaning device in this embodiment includes a supporting box 1, a high-pressure water jet nozzle 2 is disposed on an upper side of the supporting box 1, a dismounting mechanism 3 for facilitating disassembly and fixing is disposed on an outer side of the high-pressure water jet nozzle 2, a height adjusting mechanism 4 for adjusting a height of the high-pressure water jet nozzle 2 is disposed in a middle portion of an inner bottom wall of the supporting box 1, universal wheels 5 are fixed at left and right ends of a lower surface of the supporting box 1, and the universal wheels 5 are universal wheels 5 with bottom brakes.

Referring to fig. 2, in order to improve the flexibility and cleaning effect during operation, the dismounting mechanism 3 in this embodiment comprises a fixing base 31, a driving motor 32, two fixing boxes 33, a rotating rod 34, four rotating spur gears 35, four toothed plates 36 and two clamping plates 37, wherein the fixing base 31 is arranged at the outer side of the high-pressure water jet nozzle 2, the driving motor 32 is fixed at the left side of the fixing base 31, the two fixing boxes 33 are respectively connected at the opposite sides of the left and right side walls of the inner cavity of the fixing base 31 through bearings in a rotating way, the rotating rod 34 is connected between the opposite sides of the inner top wall and the inner bottom wall of the fixing boxes 33 through bearings in a rotating way, the four rotating spur gears 35 are fixed at the upper and lower ends of the outer surface of the rotating rod 34, the rotating spur gears 35 are meshed with the toothed plates 36, the rotating rod 34 rotates at the two sides to rotate the rotating spur gears 35, the rotation of the rotation spur gear 35 enables the toothed plate 36 connected with the rotation spur gear to move, the two clamping plates 37 are fixed on the opposite sides of the toothed plate 36 at the left end and the right end, the toothed plate 36 can drive the clamping plates 37 to move, the damping plates 38 are arranged on the opposite sides of the two clamping plates 37, a plurality of spring damping rods 39 are fixed on the opposite sides of the two damping plates 38, the opposite movement of the two clamping plates 37 can drive the spring damping rods 39 and the damping plates 38 to move, and then the high-pressure water jet nozzle 2 can be relieved, then the high-pressure water jet nozzle 2 is held to flush a narrow space and a complex pipeline on the surface of a workpiece, and when water flow sprayed by the high-pressure water jet nozzle 2 is large, the damping plates 38 and the plurality of spring damping rods 39 can damp the high-pressure water jet nozzle 2, so that the fixing effect of the high-pressure water jet nozzle 2 is prevented from being influenced.

It can be understood that the high-pressure water jet nozzle 2 can be switched at will in a fixed and handheld mode, so that the labor intensity of workers is reduced, and meanwhile, the narrow space and the complex pipeline on the surface of the workpiece can be flushed in a handheld mode.

In this embodiment, the length of the high-pressure water jet nozzle 2 in the vertical direction is smaller than the length of the clamping plate 37 in the vertical direction, the cross section of the clamping plate 37 is in an inverted U shape, the output shaft of the driving motor 32 penetrates through the left side wall of the inner cavity of the fixed seat 31 and is fixed with the left end fixing box 33, the upper surface of the rotating rod 34 penetrates through the inner top wall of the fixing box 33 and extends to the upper side of the fixing box 33 and is fixed with a handle, the damping plate 38 is a rubber plate, two opposite sides of the clamping plate 37 are both fixed with rubber backing plates, and the other end of the spring damping rod 39 is fixed with the rubber backing plates.

In addition, when the angle of the high-pressure water jet nozzle 2 needs to be adjusted, the driving motor 32 is started, the output shaft of the driving motor 32 rotates to drive the left fixed box 33 to rotate, the left fixed box 33 rotates through the rotating rod 34, the rotating spur gear 35, the toothed plate 36 and the left clamping plate 37, so that the angle of the high-pressure water jet nozzle 2 changes, and at the moment, the right clamping plate 37 drives the right fixed box 33, the rotating rod 34, the rotating spur gear 35 and the toothed plate 36 to rotate along with the angle change of the high-pressure water jet nozzle 2.

In this embodiment, the rotating spur gears 35 at the upper and lower ends are symmetrically distributed at the upper and lower ends of the transverse central axis of the rotating rod 34, the toothed plate 36 is located at the rear side of the rotating spur gear 35, through holes are formed at the upper and lower ends of the opposite sides of the two fixed boxes 33, the size of the inner cavity of the through holes is larger than that of the toothed plate 36, telescopic sleeve rods are fixed at the upper and lower ends of the inner walls of the opposite sides of the two fixed boxes 33, and the other sides of the telescopic sleeve rods are fixed with the toothed plate 36.

It should be noted that, the telescopic link comprises dead lever and motion pole, and motion pole one end runs through and extends to the inside of dead lever, and the outside fixedly connected with of motion pole is located the inside limiting block of dead lever, and the through-hole with motion pole looks adaptation has been seted up to one side of dead lever, has prevented through being provided with limiting block that the motion pole breaks away from with the dead lever in the motion process.

Referring to fig. 3 to 4, in order to comprehensively clean the surface of the workpiece, the height adjusting mechanism 4 in this embodiment includes a dual-shaft motor 41, two screws 42, two threaded sleeves 43, a lifting plate 44, a lifting table 45, a positioning plate 46 and an electric push rod 47, wherein the dual-shaft motor 41 is fixed in the middle of the inner bottom wall of the supporting box 1, the two screws 42 are respectively fixed with two output shafts of the dual-shaft motor 41, the other side of the screws 42 is in rotational connection with the inner side wall of the supporting box 1 through bearings, the threaded sleeves 43 are in threaded connection with the screws 42, and the output shafts of the dual-shaft motor 41 are started to rotate to drive the two screws 42, and the rotation of the two screws 42 enables the two threaded sleeves 43 in threaded connection with the surface to perform relative movement.

The lifter plate 44 is disposed in the inner cavity of the supporting case 1, the left and right ends of the lower surface of the lifter plate 44 are hinged to one side opposite to the threaded sleeve 43 through hinge seats and hinge rods, the lifter plate 45 is fixed on the upper surface of the lifter plate 44, the movement of the threaded sleeve 43 drives the hinge seats fixed on the surface of the lifter plate to move, one end of the hinge rod drives the other end of the hinge rod to move, the movement of the other end of the hinge rod moves the hinge seat at the upper end, the lifter plate 44 moves upwards, the lifter plate 45 moves, the height of the high-pressure water jet spray head 2 can be raised, the positioning plate 46 is fixed on the right end of the upper surface of the lifter plate 45, and the electric push rod 47 is fixed on the right side of the positioning plate 46.

The left end and the right end of the inner bottom wall of the supporting box 1 are respectively fixed with a slide bar, the bottom of the screw sleeve 43 performs horizontal linear motion in the inner cavity of the slide bar, one side, opposite to the left side wall and the right side wall, of the inner cavity of the supporting box 1 is respectively provided with a limiting groove, the left end and the right end of the lifting plate 44 are respectively fixed with a limiting block, the limiting blocks perform vertical linear motion in the inner cavity of the limiting grooves, the arranged slide bars can limit the movement of the screw sleeve 43, the screw sleeve 43 can only perform linear motion, and the arranged limiting blocks and the limiting grooves can limit the movement of the lifting plate 44, so that the lifting plate 44 performs vertical linear motion.

In this embodiment, the mounting hole has been seted up to the upper surface of supporting box 1, the size of mounting hole inner chamber is greater than the size of elevating platform 45, electric putter 47's piston rod is fixed with fixing base 31, fixing base 31's lower fixed surface has the movable block, the spout has been seted up to elevating platform 45's upper surface, the movable block is horizontal rectilinear motion in the inner chamber of spout, when adjusting high-pressure water jet shower nozzle 2's horizontal position, through starting electric putter 47, electric putter 47's piston rod extension, and then can promote fixing base 31 to remove left, at this moment fixing base 31 lower fixed surface's movable block is horizontal migration in the inner chamber of spout.

It should be noted that, the rotation directions of the two output shafts of the dual-shaft motor 41 are the same, the front surface of the hinge seat is provided with a middle hole, the inner cavity of the middle hole is rotationally connected with a rotating rod, and the upper side and the lower side of the hinge rod are respectively fixed with the rotating rods on the upper side and the lower side.

The working principle of the embodiment is as follows:

(1) When the workpiece is cleaned, the position of the workpiece is required to be fixed, then the high-pressure water jet nozzle 2 is communicated with a water pipe, the surface of the workpiece is flushed, in order to clean different positions of the workpiece, the double-shaft motor 41 is started, the output shaft of the double-shaft motor 41 rotates to drive the two screws 42 to rotate, the two screws 42 rotate to enable the two threaded sleeves 43 which are in threaded connection with the surface of the two threaded sleeves to do relative movement under the action of the sliding bar, the hinged seat fixed on the surface of the threaded sleeves 43 is driven to move by the movement of the threaded sleeves 43, one end of the hinged rod drives the other end of the hinged rod to move, the hinged seat at the upper end of the hinged rod is driven to move by the movement of the other end of the hinged rod, the lifting plate 44 moves upwards under the action of the limiting groove and the limiting block, the lifting table 45 is driven to move, the height of the high-pressure water jet nozzle 2 can be increased, and when the horizontal position of the high-pressure water jet nozzle 2 is adjusted, the piston rod of the electric push rod 47 is started to extend, the fixed on the surface of the fixed seat 31 can be pushed to move leftwards, and the fixed seat 31 can move horizontally.

(2) When the angle of the high-pressure water jet spray head 2 needs to be regulated, the driving motor 32 is started, the output shaft of the driving motor 32 rotates to drive the left fixed box 33 to rotate, the left fixed box 33 rotates through the rotating rod 34, the rotating spur gear 35, the toothed plate 36 and the left end clamping plate 37, the angle of the high-pressure water jet spray head 2 is further changed, at the moment, the right end clamping plate 37 drives the right fixed box 33, the rotating rod 34, the rotating spur gear 35 and the toothed plate 36 to rotate along with the angle change of the high-pressure water jet spray head 2, after the surface of a workpiece is washed by the steps, when a narrow space on the surface of the workpiece is difficult to clean, the rotating rod 34 on two sides can be rotated, the rotating rod 34 rotates to enable the rotating spur gear 35 to rotate, the toothed plate 36 in meshed connection with the rotating spur gear 35 moves, the toothed plate 36 moves, the two clamping plates 37 move in opposite directions to drive the spring damping rod 39 and the damping plate 38, the limit the high-pressure water jet spray head 2 can be released, and then the high-pressure water jet spray head 2 can be sprayed out of a plurality of high-pressure water jet spray heads through the spring damping rods 39 and the high-pressure water jet spray head 2.

Claims (8)

1. The cluster type water jet cleaning device comprises a supporting box (1) and is characterized in that a high-pressure water jet nozzle (2) is arranged on the upper side of the supporting box (1), a disassembly and assembly mechanism (3) used for being convenient to disassemble and fix is arranged on the outer side of the high-pressure water jet nozzle (2), a height adjusting mechanism (4) used for adjusting the height of the high-pressure water jet nozzle (2) is arranged in the middle of the inner bottom wall of the supporting box (1), and universal wheels (5) are fixed at the left end and the right end of the lower surface of the supporting box (1);

The disassembly and assembly mechanism (3) comprises a fixed seat (31), a driving motor (32), two fixed boxes (33), a rotating rod (34), four rotating spur gears (35), four toothed plates (36) and two clamping plates (37), wherein the fixed seat (31) is arranged on the outer side of the high-pressure water jet spray head (2), the driving motor (32) is fixed on the left side of the fixed seat (31), two fixed boxes (33) are respectively connected on one side, opposite to the left side wall and the right side wall, of an inner cavity of the fixed seat (31) through bearings in a rotating mode, the rotating rod (34) is connected between one side, opposite to the inner top wall and the inner bottom wall, of the fixed boxes (33) through bearings in a rotating mode, the four rotating spur gears (35) are fixed on the upper end and the lower end of the outer surface of the rotating rod (34), the rotating spur gears (35) are connected with the toothed plates (36) in a meshed mode, the two clamping plates (37) are fixed on one side, opposite sides, opposite to the two clamping plates (37) are respectively provided with damping plates (38), and the damping rods (39) are fixed on one side of the damping rods.

2. The cluster type water jet cleaning device according to claim 1, wherein the length of the high-pressure water jet nozzle (2) in the vertical direction is smaller than the length of the clamping plate (37) in the vertical direction, and the cross section of the clamping plate (37) is inverted U-shaped.

3. The clustered water jet washing device as set forth in claim 1 wherein the output shaft of the driving motor (32) penetrates through the left side wall of the inner cavity of the fixed seat (31) and is fixed with the left end fixing box (33), and the upper surface of the rotating rod (34) penetrates through the inner top wall of the fixing box (33) and extends to the upper side of the fixing box (33) and is fixed with a handle.

4. The clustered water jet cleaning device as set forth in claim 1 wherein the rotating spur gears (35) are symmetrically disposed at upper and lower ends of a transverse central axis of the rotating rod (34), the toothed plate (36) is located at a rear side of the rotating spur gears (35), the damping plate (38) is a rubber plate, rubber pads are fixed at opposite sides of the two clamping plates (37), and the other end of the spring damping rod (39) is fixed with the rubber pads.

5. The clustered water jet washing device as set forth in claim 1 wherein the two fixing boxes (33) have through holes formed at the upper and lower ends of the opposite sides thereof, the size of the inner cavity of the through holes is larger than that of the toothed plate (36), telescopic sleeve rods are fixed at the upper and lower ends of the inner walls of the opposite sides of the two fixing boxes (33), and the other sides of the telescopic sleeve rods are fixed with the toothed plate (36).

6. The clustered water jet cleaning device as set forth in claim 1 wherein the height adjusting mechanism (4) comprises a double-shaft motor (41), two screws (42), two threaded sleeves (43), a lifting plate (44), a lifting table (45), a positioning plate (46) and an electric push rod (47), wherein the double-shaft motor (41) is fixed in the middle of the inner bottom wall of the supporting box (1), the two screws (42) are respectively fixed with two output shafts of the double-shaft motor (41) and the other side of the screws (42) is in rotary connection with the inner side wall of the supporting box (1) through bearings, the threaded sleeves (43) are in threaded connection with the screws (42), the lifting plate (44) is arranged in the inner cavity of the supporting box (1), the left and right ends of the lower surface of the lifting plate (44) are in hinged connection with the opposite sides of the threaded sleeves (43) through a hinge seat and a hinge rod, the lifting table (45) is fixed on the upper surface of the lifting plate (44), the positioning plate (46) is fixed on the right side of the electric push rod (47).

7. The clustered water jet cleaning device as set forth in claim 6, wherein the left and right ends of the inner bottom wall of the supporting box (1) are fixed with sliding strips, the bottom of the screw sleeve (43) moves linearly horizontally in the inner cavity of the sliding strips, the opposite sides of the left and right side walls of the inner cavity of the supporting box (1) are provided with limit grooves, the left and right ends of the lifting plate (44) are fixed with limit blocks, and the limit blocks move linearly up and down in the inner cavity of the limit grooves.

8. The clustered water jet cleaning device as set forth in claim 6, wherein the upper surface of the supporting box (1) is provided with a mounting hole, the size of the inner cavity of the mounting hole is larger than that of the lifting table (45), a piston rod of the electric push rod (47) is fixed with the fixed seat (31), a moving block is fixed on the lower surface of the fixed seat (31), the upper surface of the lifting table (45) is provided with a sliding groove, and the moving block moves horizontally and linearly in the inner cavity of the sliding groove.