Putty powder adhesive force detection device

Abstract

The invention relates to the technical field of putty powder detection, and discloses a putty powder adhesive force detection device, which comprises a placing plate, a clamping mechanism and a rotating mechanism, the rotating mechanism comprises extending arms arranged at the ends of the side plates, the ends of the extending arms are rotationally connected with rotating columns, the ends, close to the containing plate, of the rotating columns are provided with hanging plates, the ends of the hanging plates are rotationally connected with the middle of a cross beam, the two sides of the cross beam are slidably connected with sliding rods, and the ends, close to the containing plate, of the sliding rods are provided with second fixing plates. A rotating needle is arranged on the second fixing plate; and the clamping mechanism comprises a sliding strip which is connected to the placing plate in a sliding mode, and the sliding strip is fixedly connected with the moving table. By arranging the auxiliary supporting frame which can transversely move left and right and is provided with the auxiliary supporting wheel, the auxiliary supporting wheel can directly transmit lateral force to the extension arm through the auxiliary supporting ring, so that the stress and the rotating speed of the rotating needle are more stable.

Description

Technical Field

[0001] The present invention relates to the technical field of putty powder detection, and specifically to a putty powder adhesion detection device. Background Technique

[0002] As a transition layer between the base layer and the decorative layer, good adhesion of putty powder can make it closely fit the base layer, effectively blocking the erosion of the base wall by external moisture, air, pollutants, etc., thereby extending the service life of the base wall. Putty powder with unqualified adhesion will cause various quality problems on the wall surface, requiring frequent repairs or redecorations, which not only increases the cost but also brings inconvenience to users. Therefore, it is necessary to detect the adhesion of putty powder.

[0003] When detecting the adhesion of putty powder, the circle scribing method can be used. Referring to the standard GB / T1720-2020, a relatively common detection instrument is a paint film circle scribing tester. In the existing tester, a rotating needle is eccentrically arranged below the rotating needle chuck. This causes the reaction force of the rotating needle on the needle chuck to make the needle chuck skew in force, resulting in changes in the rotation and force application directions of the needle chuck itself, thereby affecting the final pressure received by the rotating needle and the final detection result. Therefore, it needs to be improved. Summary of the Invention

[0004] The present invention provides a putty powder adhesion detection device, which solves the problems raised in the above background technique.

[0005] To achieve the above object, the present invention provides the following technical solution: A putty powder adhesion detection device includes a placement plate, with side plates provided at the ends of the placement plate, and further includes a clamping mechanism and a rotating mechanism; the rotating mechanism includes a protruding arm provided at the end of the side plate, a rotating column is rotatably connected to the end of the protruding arm, a hanging plate is provided at one end of the rotating column close to the placement plate, the middle part of a cross beam is rotatably connected to the end of the hanging plate, sliding rods are slidably connected to both sides of the cross beam, a second fixed plate is provided at one end of the sliding rod close to the placement plate, a rotating needle is provided on the second fixed plate, a first fixed plate is provided at the end of the sliding rod far from the placement plate, and a pressing component is provided in the middle of the rotating column to drive the rotating needle to move towards the placement plate direction with a constant pressure. An auxiliary support plate is provided on one side of the protruding arm close to the base, and an auxiliary support ring coinciding with the center of the rotating column is provided at the end of the auxiliary support plate. An auxiliary support frame is provided at the end of the cross beam far from the rotating needle, and an auxiliary support wheel matching the auxiliary support ring is provided on the auxiliary support frame; the clamping mechanism includes a sliding strip slidably connected to the placement plate, the sliding strip is fixedly connected to a moving platform, first vertical rods are slidably connected to both sides of the moving platform, a pressing beam is provided at the end of the first vertical rod far from the placement plate, and a tension spring is provided between the pressing beam and the placement plate.

[0006] As a preferred technical solution of the present invention, the pressing assembly includes a pressure rod slidably connected to the middle of the rotating column. Sliding sleeves fixedly connected to the extending arms are arranged on both sides of the rotating column. The sliding sleeves are slidably connected with sliding rods. A pressure plate cooperating with the pressure rod is arranged at the end of the sliding rod. A counterweight is placed on the pressure plate. Ball heads respectively cooperating with the pressure plate and the first fixing plate are arranged at both ends of the pressure rod.

[0007] As a preferred technical solution of the present invention, a chute is arranged at the end of the cross beam. A slider is slidably connected to the chute. A buffer spring cooperating with the slider is arranged inside the chute. A clamping groove is arranged on the auxiliary support frame. Auxiliary support wheels are arranged on both sides of the clamping groove. The two auxiliary support wheels are arranged on both sides of the auxiliary support ring.

[0008] As a preferred technical solution of the present invention, a placement groove is arranged in the middle of the placement plate. A transverse movement lead screw is rotatably connected to the placement groove. A second vertical rod is slidably connected to the side of the moving table. A bracket is arranged at one end of the second vertical rod close to the placement plate. A semi-width nut block is arranged in the middle of the bracket. A semi-circular groove is arranged on the semi-width nut block. A thread groove cooperating with the transverse movement lead screw is arranged inside the groove. A jacking assembly for driving the bracket and the pressing beam to lift synchronously is arranged at the end of the moving table. The jacking assembly includes relief grooves arranged on both sides of the moving table. A rotating shaft is rotatably connected to the relief grooves. A deflection top plate cooperating with the pressing beam is fixedly connected to the rotating shaft. A pull rod is rotatably connected to the middle of the deflection top plate. One end of the pull rod away from the deflection top plate is rotatably connected to the bracket. A winding wheel is arranged at one end of the rotating shaft away from the moving table. A traction belt is wound around the outside of the winding wheel. A guide block is arranged on the side of the moving table. A traction rod connected to the free end of the traction belt is slidably connected to the middle of the guide block. A cross bar is arranged at one end of the traction rod away from the traction belt. A grip cooperating with the cross bar is arranged on the side of the sliding strip.

[0009] As a preferred technical solution of the present invention, a transverse movement motor is arranged at the end of the placement groove. The output shaft of the transverse movement motor is connected to the transverse movement lead screw through belt transmission. A rotating motor is arranged on the extending arm. The rotating motor is connected to the rotating column through gear transmission.

[0010] The present invention has the following beneficial effects: By providing an auxiliary support frame that can move horizontally left and right and is equipped with auxiliary support wheels, when the needle rotating device performs constant pressure work, the auxiliary support wheels can directly transfer the lateral force to the extending arm through the auxiliary support ring, ensuring the stable rotation of the rotating column, and also making the force and rotation speed of the needle rotating device more stable. And through the deflection of the cross beam, the needle rotating device can also be lifted, making it more convenient to install the test board coated with putty powder. Description of the Drawings

[0011] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0012] Figure 1 The figure is a structural schematic diagram of a putty powder adhesion detection device.

[0013] Figure 2 This is a front view of a putty powder adhesion testing device.

[0014] Figure 3 The figure is a schematic diagram of the structure of the rotating mechanism in a putty powder adhesion detection device.

[0015] Figure 4 This is a front view of the rotating mechanism in a putty powder adhesion testing device.

[0016] Figure 5 This is a schematic diagram of the structure of the horizontal state of the beam in a putty powder adhesion detection device.

[0017] Figure 6 This is a structural schematic diagram of the tilted state of the beam in a putty powder adhesion testing device.

[0018] Figure 7 The figure is a schematic diagram of the structure of the clamping mechanism in a putty powder adhesion detection device.

[0019] Figure 8 This is a structural schematic diagram of a lifting component in a putty powder adhesion testing device.

[0020] Figure 9 This is a schematic diagram of the structure of the bottom of a movable platform in a putty powder adhesion testing device.

[0021] Figure 10 This is a schematic diagram of the structure of a give-way groove in a putty powder adhesion testing device.

[0022] In the figure: 1, placement plate; 2, side plate; 3, clamping mechanism; 4, rotating mechanism; 5, extending arm; 6, rotating column; 7, rotating motor; 8, second helical gear; 9, first helical gear; 10, sliding sleeve; 11, sliding rod; 12, pressure rod; 13, pressure plate; 14, counterweight; 15, pressing assembly; 16, suspension plate; 17, cross beam; 18, sliding rod; 19, first fixing plate; 20, second fixing plate; 21, rotating needle; 22, auxiliary support frame; 23, auxiliary support wheel; 24, auxiliary support ring; 25, auxiliary support plate; 26, buffer spring; 27, chute; 28, slider; 29, clamping groove; 30, ball head; 31, sliding strip; 32, moving table; 33, fixed block; 34, guide rod; 35, placement groove; 36, second pulley; 37, synchronous belt; 38, cross movement motor; 39, first pulley; 40, first vertical rod; 41, tension spring; 42, pressing beam; 43, second vertical rod; 44, bracket; 45, relief groove; 46, deflecting top plate; 47, pull rod; 48, rotating shaft; 49, traction belt; 50, guide block; 51, traction rod; 52, cross bar; 53, grip; 54, winding wheel; 55, jacking assembly; 56, half-width nut block; 57, cross movement lead screw. Specific implementation manner

[0023] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0024] In one embodiment, please refer to Figures 1 - 10 , a putty powder adhesion detection device, including a placement plate 1, a side plate 2 is arranged at the end of the placement plate 1, the side plate 2 is vertically arranged at the right end of the upper surface of the placement plate 1, and further includes a clamping mechanism 3 and a rotating mechanism 4; The rotating mechanism 4 includes a protruding arm 5 provided at the end of the side plate 2. The protruding arm 5 is arranged in the left-right direction. The right end of the protruding arm 5 is fixedly connected to the upper end of the side plate 2. A vertically arranged rotating column 6 is rotatably connected to the left end of the protruding arm 5. A rotating motor 7 is arranged in the middle above the protruding arm 5. The output shaft of the rotating motor 7 is fixedly connected with a first bevel gear 9. The first bevel gear 9 is meshed and connected with a second bevel gear 8. The second bevel gear 8 is fixedly connected to the outside of the rotating column 6. Therefore, the rotating motor 7 makes the rotating column 6 rotate through the gear transmission method. Suspension plates 16 are arranged on both sides of the lower end of the rotating column 6. The suspension plates 16 are vertically arranged. The upper ends of the suspension plates 16 are fixedly connected to the lower end of the rotating column 6. The lower ends of the suspension plates 16 are rotatably connected to the front and rear sides of a cross beam 17. Sliding rods 18 vertically arranged relative to the cross beam 17 are slidably connected to the left and right sides of the cross beam 17. The lower ends of the sliding rods 18 are fixedly connected to a second fixing plate 20. A rotating needle 21 is vertically arranged on the lower surface of the left end of the sliding rod 18. A first fixing plate 19 is fixedly connected to the upper end of the sliding rod 18. And a pressing component 15 is arranged in the middle of the rotating column 6. The pressing component 15 can push the first fixing plate 19 downward, so that the rotating needle 21 moves downward, and a constant downward pressure is applied to the rotating needle 21. And an auxiliary support plate 25 is arranged on the lower surface of the protruding arm 5. The lower end of the auxiliary support plate 25 is fixedly connected to a horizontally arranged auxiliary support ring 24. The center of the auxiliary support ring 24 coincides with the center of the rotating column 6. Three auxiliary support plates 25 are arranged and extend outward. An auxiliary support frame 22 is vertically arranged on the right side of the cross beam 17. An auxiliary support wheel 23 is arranged on the auxiliary support frame 22. The auxiliary support wheel 23 can roll on the surface of the auxiliary support ring 24, so as to achieve the effect of auxiliary support through the auxiliary support wheel 23; The clamping mechanism 3 includes sliding bars 31 slidably connected to the placing plate 1. The sliding bars 31 are arranged in the left-right direction. And sliding bars 31 are arranged on the front and rear sides above the placing plate 1. A guiding rod 34 arranged in the left-right direction is slidably connected to the middle of the sliding bars 31. Fixed blocks 33 fixedly connected to the placing plate 1 are arranged at the left and right ends of the guiding rod 34. A horizontally arranged moving platform 32 is fixedly connected above the sliding bars 31. First vertical rods 40 are arranged on both the left and right sides of the moving platform 32. The front and rear two first vertical rods 40 are slidably connected to the front and rear sides of the moving platform 32. The front and rear ends of a pressing beam 42 arranged in the front-rear direction are fixedly connected to the upper ends of the first vertical rods 40. And a tension spring 41 is arranged between the pressing beam 42 and the moving platform 32. The tension spring 41 is sleeved on the outside of the first vertical rod 40. The tension spring 41 will pull the pressing beam 42 downward. The pressing beam 42 can clamp the test plate. During the detection process, putty powder needs to be applied to the test plate. The pressing beam 42 can clamp the left and right sides of the test plate, so that the moving platform 32 drives the test plate to move horizontally left and right to complete the detection.

[0025] In one case of this embodiment, the pressure-applying assembly 15 includes a pressure rod 12 slidably connected to the middle of the rotating column 6. The pressure rod 12 is vertically arranged, and a sliding sleeve 10 is arranged on the front and rear sides of the rotating column 6. The sliding sleeve 10 is vertically arranged on the front and rear sides of the extending arm 5. A sliding rod 11 is slidably connected to the upper part of the sliding sleeve 10. The upper end of the sliding rod 11 is fixedly connected to a pressure plate 13 arranged in a front-to-rear direction. A counterweight 14 is placed above the pressure plate 13. A counterweight 14 of appropriate weight is selected according to standard requirements and placed on the pressure plate 13. At this time, the pressure plate 13 falls on the pressure rod 12, so that the pressure rod 12 moves downward under constant pressure. Ball heads 30 are arranged at the upper and lower ends of the pressure rod 12. The ball head 30 can better cooperate with the pressure plate 13 and the first fixed plate 19, so that the pressure rod 12 can be better rotated relative to the pressure plate 13. At the same time, the first fixed plate 19 can be deflected relative to the ball head 30, which is convenient for subsequent angle adjustment processing.

[0026] In one case of this embodiment, a slide groove 27 is set on the right side of the beam 17, and the slide groove 27 is slidably connected to a slider 28. A buffer spring 26 is set inside the slide groove 27, and the buffer spring 26 will pull the slider 28 to the left, and a slot 29 is set on the left side above the auxiliary support frame 22. Auxiliary support wheels 23 are set on the upper and lower sides of the slot 29. The upper and lower auxiliary support wheels 23 just fall on the upper and lower sides of the auxiliary support ring 24 and roll, so that the two auxiliary support wheels 23 can keep the beam 17 and the auxiliary support ring 24 parallel to each other, thereby achieving a support effect and preventing the rotating column 6 from being subjected to lateral force, thereby making the rotation of the rotating column 6 more stable.

[0027] In one case of this embodiment, a placement groove 35 is set in the middle of the placement plate 1, and the placement groove 35 is set in the middle of the upper surface of the placement plate 1 in a left-right direction, and a left-right oriented transverse screw rod 57 is rotatably connected in the middle of the placement groove 35, and a vertically set second vertical rod 43 is slidably connected on the left and right sides of the movable platform 32, and the front and rear second vertical rods 43 are just located between the front and rear first vertical rods 40. The lower end of the second vertical rod 43 is fixedly connected to the front and rear ends of the bracket 44. The bracket 44 is an I-shaped structure, and a half-width nut block 56 is set in the middle of the lower surface of the bracket 44. The lower surface of the half-width nut block 56 is provided with a semicircular groove, and the groove A threaded groove is provided inside, so when the half-width nut block 56 moves downward, it will fall on the transverse screw rod 57. At this time, when the transverse screw rod 57 rotates, it will push the half-width nut block 56 to move left and right, thereby realizing the left and right movement of the moving platform 32. A lifting assembly 55 is provided at the left and right ends of the moving platform 32. The lifting assembly 55 can synchronously push the bracket 44 and the clamping beam 42 up and down. The lifting assembly 55 includes a front-to-back oriented give-way groove 45 provided at the left and right ends of the moving platform 32. The front end of the give-way groove 45 is rotatably connected to a left-right oriented rotating shaft 48. The rotating shaft 48 is fixedly connected to the front end of the deflection top plate 46. After the deflection top plate 46 is rotated to a horizontal state, it can be located in the give-way groove. The rear end of the deflection top plate 46 is lifted up to push the pressing beam 42 to move upward, and the upper end of the connecting rod 47 is rotated in the middle of the lower surface of the deflection top plate 46, and the lower end of the connecting rod 47 is rotated to connect the upper surface of the bracket 44. Therefore, when the rear end of the deflection top plate 46 is rotated upward, the rear end of the deflection top plate 46 will push the pressing beam 42 to move upward, and at the same time, the middle of the lower surface of the deflection top plate 46 will pull the bracket 44 upward through the pull rod 47, and cooperate with the dead weight of the pressing beam 42 and the bracket 44 to realize the up and down movement of the pressing beam 42 and the bracket 44, and a winding wheel 54 is provided at the end of the rotating shaft 48, and a traction belt 49 is wound around the outside of the winding wheel 54. Guide blocks 50 are provided on the front sides of the left and right sides of the movable platform 32. A traction rod 51 arranged in a forward and backward direction is slidably connected to the middle portion of the guide block 50. The rear end of the traction rod 51 is connected to the free end of the traction belt 49. The front end of the traction rod 51 is fixedly connected to the left and right ends of the cross bar 52 arranged in a left and right direction. A handle 53 is provided in the middle portion of the front sliding bar 31. When in use, the operator can grasp the cross bar 52 and the handle 53 at the same time, so that the cross bar 52 moves forward and approaches the handle 53. At this time, the traction rod 51 pulls the winding wheel 54 through the traction belt 49 to rotate, thereby lifting the rear end of the deflection top plate 46 and realizing the upward movement of the pressing beam 42 and the bracket 44. A transverse motor 38 is provided at the right end of the placement slot 35. The output shaft of the transverse motor 38 is fixedly connected to the first pulley 39. The first pulley 39 is connected to the second pulley 36 through the synchronous belt 37. The second pulley 36 is fixedly connected to the right end of the transverse screw 57.

[0028] During the implementation of this embodiment, the auxiliary support frame 22 is pulled to the right, and the auxiliary support wheel 23 is disengaged from the auxiliary support ring 24. At this time, the cross beam 17 is rotated clockwise, and the auxiliary support frame 22 is rotated under the auxiliary support ring 24. At this time, the rotating needle 21 on the left side of the cross beam 17 is lifted to the left. The operator holds the cross bar 52 and the grip 53, and the half nut block 56 is disengaged from the crosswise lead screw 57. At this time, the moving table 32 is pulled to the left, and the moving table 32 moves to the left end of the placing plate 1.

[0029] Hold the cross bar 52 and the grip 53 again. At this time, the pressing beam 42 is lifted, and the test plate coated with putty powder is placed on the upper surface of the moving table 32. Release the cross bar 52 and the grip 53. Under the action of the tension spring 41, the pressing beam 42 tightly presses the left and right ends of the test plate. And at this time, the half nut block 56 falls on the crosswise lead screw 57. Pull the auxiliary support frame 22 to the right again. The auxiliary support frame 22 moves to the right and is disengaged from the auxiliary support ring 24. At this time, the cross beam 17 is rotated counterclockwise, and the cross beam 17 rotates to a horizontal state. Push the auxiliary support frame 22 to the left. The two auxiliary support wheels 23 are respectively located on the upper and lower sides of the auxiliary support ring 24. At this time, the rotating needle 21 falls on the upper surface on the right side of the plate coated with putty powder. Select a counterweight 14 with an appropriate weight and place it on the pressure plate 13. The rotating needle 21 falls on the plate according to the pressure that meets the standard requirements.

[0030] At the same time, start the rotating motor 7 and the crosswise motor 38. The rotating motor 7 makes the rotating needle 21 rotate around the rotating column 6 by means of gear transmission. The crosswise motor 38 makes the test plate coated with putty powder move from left to right by means of belt transmission. The rotating needle 21 draws circles on the upper surface of the test plate, forming a cycloid on the upper surface of the test plate. When the length of the cycloid meets the requirements, stop the rotating motor 7 and the crosswise motor 38, take out the test plate, and remove the excess putty powder on the scratch surface with a soft brush. By observing the falling situation of the putty powder at different positions on the cycloid, judge the adhesion of the putty powder.

[0031] The present invention is applicable to a device for detecting the adhesion of putty powder. By providing an auxiliary support frame 22 that can move horizontally left and right and is equipped with auxiliary support wheels 23, when the rotating needle 21 is working under a constant pressure, the auxiliary support wheels 23 can directly transfer the lateral force to the outrigger 5 through the auxiliary support ring 24, ensuring the stable rotation of the rotating column 6, and also making the force and rotation speed of the rotating needle 21 more stable. And through the deflection of the cross beam 17, the rotating needle 21 can also be lifted, making it more convenient to install the test plate coated with putty powder.

[0032] It is obvious to those skilled in the art that the present invention is not limited to the details of the above-described exemplary embodiments, and the present invention can be implemented in other specific forms without departing from the spirit or essential characteristics of the present invention. Therefore, from any point of view, the embodiments should be regarded as exemplary and non-limiting. The scope of the present invention is defined by the appended claims rather than the above description. Therefore, all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be embraced within the present invention.

Claims

1. An adhesion detection device for putty powder, comprising a placement plate, and side plates are arranged at the ends of the placement plate, characterized in that, It also includes a clamping mechanism and a rotating mechanism; The swivel chair swivel chair has a pivotal position which is adapted to pivotally connect the two wheels, and a second pivotal position which is adapted to rotate the two wheels, the second pivotal position being adapted to rotate the two wheels. The clamping mechanism includes a sliding bar slidably connected to the placement plate, the sliding bar is fixedly connected to the mobile platform, and the two sides of the mobile platform are slidably connected to the first vertical rod. A clamping beam is set at the end of the first vertical rod away from the placement plate, and a tension spring is set between the clamping beam and the placement plate.

2. The putty powder adhesion detection device according to claim 1, characterized in that, The pressure assembly includes a pressure rod slidably connected to the middle of the rotating column, and sliding sleeves fixedly connected to the extension arms are provided on both sides of the rotating column. The sliding sleeves are slidably connected to the sliding rod, and a pressure plate that cooperates with the pressure rod is provided at the end of the sliding rod. A counterweight is placed on the pressure plate, and ball heads are provided at both ends of the pressure rod that cooperate with the pressure plate and the first fixed plate respectively.

3. The putty powder adhesion detection device according to claim 1, characterized in that, A slide groove is provided at the end of the crossbeam, and a slider is slidably connected to the slide groove. A buffer spring cooperating with the slider is provided inside the slide groove. A card slot is provided on the auxiliary support frame, and auxiliary support wheels are provided on both sides of the card slot. The two auxiliary support wheels are provided on both sides of the auxiliary support ring.

4. The putty powder adhesion detection device according to claim 1, characterized in that, A placement slot is provided in the middle of the placement plate, and the placement slot is rotatably connected to a transverse screw rod, and the side of the movable platform is slidably connected to a second vertical rod, and a bracket is provided at one end of the second vertical rod close to the placement plate, and a half-width nut block is provided in the middle of the bracket, and a semicircular groove is provided on the half-width nut block, and a threaded groove cooperating with the transverse screw rod is provided inside the groove, and a lifting component for driving the bracket and the clamping beam to rise and fall synchronously is provided at the end of the movable platform.

5. The putty powder adhesion detection device according to claim 4, characterized in that, The lifting assembly includes a clearance groove arranged on both sides of the movable platform, the clearance groove is rotatably connected to a rotating shaft, the rotating shaft is fixedly connected to a deflection top plate that cooperates with the clamping beam, the middle part of the deflection top plate is rotatably connected to a pull rod, and the end of the pull rod away from the deflection top plate is rotatably connected to a bracket.

6. The putty powder adhesion detection device according to claim 5, characterized in that, A winding wheel is provided at the end of the rotating shaft away from the moving platform, and a traction belt is wound around the outside of the winding wheel. A guide block is provided on the side of the moving platform, and a traction rod connected to the free end of the traction belt is slidably connected to the middle of the guide block. A cross bar is provided at the end of the traction rod away from the traction belt, and a handle that cooperates with the cross bar is provided on the side of the sliding bar.

7. An adhesive force detection device for putty powder according to claim 4, characterized in that, A transverse motor is provided at the end of the placement slot, and the output shaft of the transverse motor is connected to the transverse screw rod through a belt transmission. A rotating motor is provided on the extension arm, and the rotating motor is connected to the rotating column through a gear transmission.

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