A throttle water pipe press-fitting device

Abstract

The application discloses a kind of throttle water pipe press-fitting device, including overall frame, the overall frame includes frame unit, frame unit top is connected with down unit, down unit bottom end is connected with pressure head structure and is located in frame unit, pressure head structure includes the transverse displacement component connected with frame unit by gusset, transverse displacement component is connected with mounting plate A, mounting plate A is connected with folding plate by up-down displacement component, and folding plate bottom is connected with upper pressure head by two-way displacement component.The application technology can ensure that water pipe can be pressed to the bottom of throttle housing by upper and lower pressure heads and various displacement components used, prevent press-fitting from being out of position, and the relative position of upper and lower pressure heads can be automatically adjusted and aligned, preventing the misalignment of upper and lower pressure heads from affecting the press-fitting effect;Furthermore, the supporting plate can be moved and the product can be returned to the upper side of the lower pressure head, and the overall use has higher press-fitting effect and efficiency.

Description

TECHNICAL FIELD

[0001] The application relates to a throttle valve water pipe pressing device. BACKGROUND

[0002] The throttle valve is a controllable valve for controlling air entering an engine, and after the air enters an air inlet pipe, the air will be mixed with gasoline to become combustible mixed gas, so as to be combusted to form work. The throttle valve is connected to an air filter at the top and connected to an engine cylinder at the bottom, and is called the throat of the automobile engine. With the rapid development and iteration of the automobile industry, the demand for throttle valves is increasing. With the continuous improvement of such productivity, automation replacing manual work is an irreversible trend. The product is updated and replaced, and the flexibility requirement of the automatic production line is also higher and higher. Previously, manual feeding was carried out, the pressing head was complex, and it was not possible to judge whether the water pipe was pressed into place. Therefore, the application provides a kind of automatic equipment suitable for throttle valve water pipe pressing and similar water pipe pressing, namely a throttle valve water pipe pressing device to solve the above problems. SUMMARY

[0003] The application aims to solve the problems in the prior art and provides a throttle valve water pipe pressing device.

[0004] In order to achieve the above-mentioned purpose, the application adopts the following technical scheme:

[0005] A throttle valve water pipe pressing device comprises a whole frame, the whole frame comprises a frame unit, a hydraulic rod is connected to the top of the frame unit, the bottom end of the hydraulic rod is connected to a pressing head structure and located in the frame unit, the pressing head structure comprises a transverse displacement assembly connected to the frame unit through an angle plate, and a mounting plate A is connected to the transverse displacement assembly, a folding plate is connected to the mounting plate A through an up-down displacement assembly, and an upper pressing head is connected to the bottom of the folding plate through a bidirectional displacement assembly, a supporting structure is arranged in the frame unit and located below the upper pressing head, the supporting structure comprises a support frame, a supporting slide is arranged on the top of the support frame, a supporting plate is slidably connected to the top of the supporting slide and located on the top of the support frame, a band brake structure is arranged in the support frame, and the band brake structure comprises a mounting frame in the support frame and a band brake unit connected to the mounting frame.

[0006] Preferably, the frame unit comprises a plate body B, four support rods are connected to the plate body B in a penetrating manner, a plate body A is connected to the top of the four support rods and located above the plate body B, a plate body C is connected to the bottom of the four support rods and located below the plate body B, two reinforcing plates are connected between the top of the plate body C and the plate body B, the plate body A can be supported by the four support rods, the plate body B can be supported by the plate body C through the reinforcing plates, and the frame unit can be used for mounting various parts, and the top of the plate body A is connected to the hydraulic rod, wherein the telescopic end of the hydraulic rod penetrates the plate body A.

[0007] Preferably, the lateral displacement assembly comprises a lateral sliding block B and two lateral sliding blocks A connected to the corner plate, and a lateral sliding sleeve B and two lateral sliding sleeves A connected to the mounting plate A, the lateral sliding sleeve B slidingly sleeving outside the lateral sliding block B, and the two lateral sliding sleeves A slidingly sleeving outside the two lateral sliding blocks A, a mobile drag chain being connected between the mounting plate A and the corner plate at an upper position, and the mounting plate A being cooperated with the lateral sliding block A and the lateral sliding sleeve A, and the lateral sliding block B and the lateral sliding sleeve B, so that when the mounting plate A is driven to move laterally on the surface of the corner plate by the mobile drag chain, the stability of the movement can be ensured, and the longitudinal bearing capacity can be improved.

[0008] Preferably, the up-down displacement assembly and the lateral displacement assembly are located at opposite positions, the up-down displacement assembly comprises a cylinder A connected to the surface of the mounting plate A at a middle position, the cylinder A being connected to the folding plate at the extension end, and vertical sliding blocks being connected to the surface of the mounting plate A and located at both sides of the cylinder A, and vertical sliding sleeves being slidingly sleeved on the surfaces of the two vertical sliding blocks and connected to the folding plate, the folding plate being driven to move up and down by the cylinder A, and the two vertical sliding sleeves moving up and down on the surfaces of the two vertical sliding blocks, so that the folding plate is stably moved up and down on the surface of the mounting plate A.

[0009] Preferably, the folding plate comprises a bearing plate A, and the mounting plate B is connected to the top of the bearing plate A near an edge position, the two vertical sliding sleeves being connected to the surface of the mounting plate B, and a triangular reinforcing plate being arranged in the folding plate near the edge at a right angle position, the triangular reinforcing plate connecting the bearing plate A and the mounting plate B, so that the overall strength of the bearing plate A and the mounting plate B is higher.

[0010] Preferably, the bidirectional displacement assembly comprises a displacement unit A connected to the bottom of the bearing plate A, and a displacement unit B connected to the bottom of the displacement unit A, the displacement unit A comprising a mounting disc A connected to the bottom of the bearing plate A, a lateral sliding sleeve C being connected to the bottom of the mounting disc A at a middle position, a lateral sliding block C being slidingly arranged in the lateral sliding sleeve C, a middle plate being connected to the bottom of the lateral sliding block C, and a connecting block A being connected to the bottom of the mounting disc A and located at both sides of the lateral sliding sleeve C, and a push rod A being connected to the connecting block A and connected to the middle plate.

[0011] Preferably, the displacement unit B comprises a lateral sliding block D connected to the bottom of the middle plate at a middle position, and a lateral sliding sleeve D slidingly sleeving outside the lateral sliding block D, the lateral sliding sleeve D being connected to a mounting disc B at the bottom, two connecting blocks B being connected to the top of the mounting disc B and located at both sides of the lateral sliding sleeve D, and a push rod B being connected to each of the two connecting blocks B and connected to the middle plate at a position away from the connecting block B.

[0012] Preferably, the support frame comprises two vertical plates A connected at the top of the plate body C, and a top plate A connected at the top of the two vertical plates A, wherein the top plate A is connected with a bearing plate B through four telescopic rods, and the top plate A and the bearing plate B are connected in communication through the top plate A.

[0013] The supporting plate is located above the bearing plate B, and the supporting plate is connected with a horizontal sliding block E at the bottom near the edge.

[0014] Preferably, the supporting frame comprises two groups of supporting plates connected at the top of the top plate A, and the two groups of supporting plates are provided with horizontal sliding rails for accommodating the horizontal sliding block E, and the horizontal sliding block E at the bottom of the supporting plate slides in the horizontal sliding rail when the supporting plate is horizontally moved by the pushing rod C.

[0015] Preferably, the mounting frame is connected at the top of the plate body C through a flange plate and located in the support frame, and the mounting frame comprises two vertical plates B connected at the top and the bottom with a top plate B, wherein the top plate B located at the bottom of the two vertical plates B is connected at the top of the flange plate.

[0016] The top rod is provided with a brake device on the surface and located between the two vertical plates B, and the top rod is connected with a pressing head at the top and a cylinder B at the bottom.

[0017] Compared with the prior art, the beneficial effects of the present application are:

[0018] In the present application, the up-down pressing head and the multi-direction displacement assembly used in combination can ensure that the water pipe can be pressed to the bottom of the throttle housing, prevent the press-fitting from being out of position, simplify the design of the pressing head, automatically adjust the relative position of the up-down pressing head and align it, prevent the up-down pressing head from being misaligned and affecting the press-fitting effect, and move the supporting plate to receive the product back to the top of the lower pressing head, so that the press-fitting effect and efficiency are higher. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 It is a perspective view of a throttle water pipe press-fitting device according to the present application;

[0020] Figure 2 It is a perspective view of a throttle water pipe press-fitting device according to the present application; Figure 1 It is a structural schematic view of a middle frame unit;

[0021] Figure 3 It is a structural schematic view of a middle frame unit; Figure 1 It is a structural schematic view of a pressing head structure;

[0022] Figure 4 It is a structural schematic view of a pressing head structure; Figure 1 It is a structural schematic view of a supporting structure and a brake structure;

[0023] Figure 5 for Figure 3 Structural breakdown diagram;

[0024] Figure 6 for Figure 5 Another perspective view of the middle part of the structure;

[0025] Figure 7 for Figure 6 Structural breakdown diagram of the bidirectional displacement component;

[0026] Figure 8 for Figure 4 Structural breakdown diagram;

[0027] Figure 9 for Figure 8 A schematic diagram of the structure of the central support plate from a bottom view;

[0028] Figure 10 for Figure 8 Structural breakdown diagram of the central support carriage;

[0029] Figure 11 for Figure 8 A schematic diagram showing the structural breakdown of the central brake structure.

[0030] In the diagram: 1. Overall frame; 110. Hydraulic rod; 120. Frame unit; 121. Plate A; 122. Support rod; 123. Plate B; 124. Reinforcing plate; 125. Plate C; 2. Pressure head structure; 210. Angle plate; 220. Lateral displacement assembly; 221. Moving drag chain; 222. Lateral slider A; 223. Lateral slider B; 224. Lateral sliding sleeve A; 225. Lateral sliding sleeve B; 230. Mounting plate A; 231. Cylinder A; 232. Vertical slider; 233. Bearing plate A; 234. Mounting plate B; 235. Vertical sliding sleeve; 240. Bidirectional displacement assembly; 241. Mounting disc A; 2411. Connecting block A; 242. Lateral sliding sleeve C; 243. Push rod A; 244. Middle 245. Transverse slider C; 246. Transverse slider D; 247. Push rod B; 248. Mounting plate B; 2481. Connecting block B; 249. Transverse sliding sleeve D; 250. Upper pressure head; 3. Support structure; 310. Support frame; 311. Vertical plate A; 312. Top plate A; 313. Telescopic rod; 314. Bearing plate B; 320. Support plate; 321. Transverse slider E; 322. Push rod C; 330. Support carriage; 331. Support plate; 332. Transverse slide rail; 4. Brake structure; 410. Mounting frame; 411. Vertical plate B; 412. Top plate B; 413. Flange plate; 420. Brake unit; 421. Lower pressure head; 422. Top rod; 423. Cylinder B; 424. Brake device. Detailed Implementation

[0031] In the description of the present application, it needs to be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise" and the like indicate the orientation or positional relationship shown in the drawings, which is only for the convenience of describing the present application and simplifying the description, and does not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application.

[0032] In the description of the present application, the meaning of "a plurality of" is two or more, unless otherwise explicitly specified and limited.

[0033] In the description of the present application, it needs to be explained that, unless otherwise explicitly specified and limited, the terms "mounting", "provided with", "sleeved / connected", "connected" and the like should be understood broadly, for example, "connected" can be fixedly connected, or can be detachably connected, or integrally connected; can be mechanically connected, or can be electrically connected; can be directly connected, or can be indirectly connected through an intermediate medium; can be internal communication of two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0034] The technical solutions in the embodiments of the present application will be described clearly and completely in the following with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, not all.

[0035] Referring to Figures 1-11 A kind of throttle valve water pipe press fitting device, including overall frame 1, overall frame 1 includes frame unit 120, and frame unit 120 top is connected with hydraulic rod 110, hydraulic rod 110 bottom end is connected with pressure head structure 2 and is located in frame unit 120, pressure head structure 2 includes the transverse displacement assembly 220 connected with frame unit 120 by gusset plate 210, and transverse displacement assembly 220 is connected with mounting plate A 230, mounting plate A 230 is connected with the folding plate by up and down displacement assembly, and the folding plate bottom is connected with upper pressure head 250 by two-way displacement assembly 240, frame unit 120 is equipped with support structure 3 and is located below upper pressure head 250, support structure 3 includes support frame 310, and support frame 310 top is equipped with support carriage 330, support carriage 330 top is slidably connected with support plate 320 and is located in support frame 310 top, support frame 310 is provided with brake band structure 4, brake band structure 4 includes installation frame 410 in support frame 310, and installation frame 410 is connected with brake band unit 420.

[0036] Referring to Figures 1-11 The frame unit 120 comprises a plate body B 123, four supporting rods 122 are connected through the plate body B 123, a plate body A 121 is connected to the top of the four supporting rods 122 and is located above the plate body B 123, a plate body C 125 is connected to the bottom of the four supporting rods 122 and is located below the plate body B 123, two reinforcing plates 124 are connected between the top of the plate body C 125 and the plate body B 123, the plate body A 121 can be supported by the four supporting rods 122, the plate body B 123 can be supported by the plate body C 125 through the reinforcing plates 124, and the frame unit 120 can be used for mounting various parts, and a hydraulic rod 110 is connected to the top of the plate body A 121, wherein the telescopic end of the hydraulic rod 110 penetrates the plate body A 121.

[0037] Referring to Figures 1-11 The throttle valve water pipe press fitting device comprises a horizontal displacement assembly 220 which comprises a horizontal sliding block B 223 and two horizontal sliding blocks A 222 connected to the angle plate 210, and comprises a horizontal sliding sleeve B 225 and two horizontal sliding sleeves A 224 connected to the mounting plate A 230, the horizontal sliding sleeve B 225 is sleeved outside the horizontal sliding block B 223, and the two horizontal sliding sleeves A 224 are respectively sleeved outside the two horizontal sliding blocks A 222, and the moving drag chain 221 is connected to the upper position between the mounting plate A 230 and the angle plate 210, wherein the mounting plate A 230 is matched with the horizontal sliding block A 222 and the horizontal sliding sleeve A 224, and the horizontal sliding block B 223 and the horizontal sliding sleeve B 225, so that when the mounting plate A 230 is driven by the moving drag chain 221 to move horizontally on the surface of the angle plate 210, the stability of movement can be ensured, and the longitudinal bearing capacity can be improved.

[0038] Referring to Figures 1-11 The throttle valve water pipe press fitting device, wherein the up-down displacement assembly and the horizontal displacement assembly 220 are located at opposite positions, the up-down displacement assembly comprises a cylinder A 231 connected to the middle position of the surface of the mounting plate A 230, wherein the telescopic end of the cylinder A 231 is connected to the folding plate, and further comprises vertical sliding blocks 232 connected to the surface of the mounting plate A 230 and located on both sides of the cylinder A 231, and vertical sliding sleeves 235 connected to the folding plate are sleeved on the surfaces of the two vertical sliding blocks 232, the folding plate is driven by the cylinder A 231 to move up and down, and the two vertical sliding sleeves 235 move up and down on the surfaces of the two vertical sliding blocks 232, so that the folding plate stably moves up and down on the surface of the mounting plate A 231.

[0039] The folding plate comprises a bearing plate A233, and the top of the bearing plate A233 is connected with a mounting plate B234 near an edge position, two vertical sliding sleeves 235 are connected on the surface of the mounting plate B234, and a triangular reinforcing plate is arranged at a right angle position in the folding plate and near the edge position, so that the bearing plate A233 and the mounting plate B234 have higher overall strength.

[0040] Referring to Figures 1-11 The two-way displacement assembly 240 comprises a displacement unit A connected to the bottom of the bearing plate A233, and the bottom of the displacement unit A is connected with a displacement unit B. The displacement unit A comprises a mounting disc A241 connected to the bottom of the bearing plate A233, the bottom of the mounting disc A241 is connected with a horizontal sliding sleeve C242 at the middle position, and the horizontal sliding sleeve C242 is slidably provided with a horizontal sliding block C245, the bottom of the horizontal sliding block C245 is connected with a middle plate 244, the bottom of the mounting disc A241 is connected with a connecting block A2411 located on both sides of the horizontal sliding sleeve C242, and the connecting block A2411 is connected with a push rod A243 and connected with the middle plate 244. In use, the mounting disc A241 is fixed, and when the push rod A243 is extended or retracted, the end of the push rod A243 away from the connecting block A2411 moves in the opposite direction and drives the middle plate 244 to move, and the movement track of the middle plate 244 is that the horizontal sliding block C245 moves in the horizontal sliding sleeve C242.

[0041] The displacement unit B comprises a horizontal sliding block D246 connected to the bottom of the middle plate 244 at the middle position, and the horizontal sliding block D246 is slidably provided with a horizontal sliding sleeve D249 outside, the bottom of the horizontal sliding sleeve D249 is connected with a mounting disc B248, and the top of the mounting disc B248 is connected with two connecting blocks B2481 located on both sides of the horizontal sliding sleeve D249, and the two connecting blocks B2481 are connected with a push rod B247, and the position of the push rod B247 away from the connecting block B2481 is connected with the middle plate 244. When the displacement unit B works, the displacement unit A is stationary, the middle plate 244 is stationary, the push rod B247 pushes the mounting disc B248 to move on the bottom of the middle plate 244, and the movement track of the mounting disc B248 is that the horizontal sliding sleeve D249 moves outside the horizontal sliding block D246. The horizontal displacement direction track of the displacement unit A and the displacement unit B is cross-shaped.

[0042] Referring to Figures 1-11 The support frame 310 comprises two vertical plates A311, the bottom ends of the two vertical plates A311 are connected to the top of the plate body C125, and the top of the plate body C125 is connected with a top plate A312, and the top of the top plate A312 is connected with a bearing plate B314 through four telescopic rods 313, wherein the top plate A312 and the bearing plate B314 are connected in communication through penetration.

[0043] The supporting plate 320 is located above the bearing plate B 314, and the bottom of the supporting plate 320 is connected with the transverse sliding block E 321 near the edge, and the bottom of the supporting plate 320 is connected with the push rod C 322 near one edge;

[0044] The supporting slide 330 includes two groups of supporting plates 331 connected to the top of the top plate A 312, and the two groups of supporting plates 331 are provided with transverse sliding rails 332 for accommodating the transverse sliding block E 321, when the push rod C 322 pushes the horizontal movement of the supporting plate 320, the transverse sliding block E 321 at the bottom of the supporting plate 320 slides in the transverse sliding rail 332, so that the supporting plate 320 moves on the top of the bearing plate B 314, and the other two transverse sliding rails 332 are further provided with a camera and a detection instrument through a support rod, for observation and detection.

[0045] Referring to Figures 1-11 A device for installing a throttle water pipe, the mounting frame 410 is connected to the top of the plate body C 125 through the flange plate 413 and is located in the supporting frame 310, and the mounting frame 410 includes two vertical plates B 411, and the top and bottom of the two vertical plates B 411 are connected with the top plate B 412, wherein the top plate B 412 located at the bottom of the two vertical plates B 411 in the mounting frame 410 is connected to the top of the flange plate 413.

[0046] The top rod 422 is provided through the two top plates B 412, and the surface of the top rod 422 is sleeved with the brake 424 and located between the two vertical plates B 411, the top of the top rod 422 is connected with the pressing head 421, and the bottom of the top rod 422 is connected with the air cylinder B 423, the air cylinder B 423 is connected to the bottom of the flange plate 413 and penetrates the plate body C 125, the air cylinder B 423 can drive the top rod 422 to move up and down and drive the pressing head 421 to move up and down, wherein the brake 424 is a prior art that can tightly position the top rod 422, to prevent the top rod 422 from moving up and down after driving the pressing head 421 to stop at a specified position.

[0047] The above embodiment is the preferred embodiment of the present application, but the embodiment of the present application is not limited to the above embodiment, any change, modification, replacement, combination, simplification made without departing from the spirit and principle of the present application should be an equivalent replacement method, which is included in the protection scope of the present application.

[0048] In the description of the present application, it should be understood that the terms indicating the orientation or positional relationship are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and cannot be understood as a limitation on the present application. Therefore, it cannot be understood as a limitation on the present application.

Claims

1. A device for press-fitting a throttle valve into a water pipe, comprising a unitary frame (1), characterized in that, The whole frame (1) includes a frame unit (120), and a hydraulic rod (110) is connected to the top of the frame unit (120), the bottom end of the hydraulic rod (110) is connected with a pressure head structure (2) and located in the frame unit (120), the pressure head structure (2) includes a transverse displacement assembly (220) connected with the frame unit (120) through an angle plate (210), and a mounting plate A (230) is connected to the transverse displacement assembly (220), a folding plate is connected to the mounting plate A (230) through up-down displacement assemblies, and an upper pressure head (250) is connected to the bottom of the folding plate through a bidirectional displacement assembly (240), a supporting structure (3) is arranged in the frame unit (120) and located below the upper pressure head (250), the supporting structure (3) includes a support frame (310), and a supporting slide (330) is arranged on the top of the support frame (310), a supporting plate (320) is slidably connected to the top of the supporting slide (330) and located on the top of the support frame (310), a band-type brake structure (4) is arranged in the support frame (310), the band-type brake structure (4) includes a mounting frame (410) located in the support frame (310), and a band-type brake unit (420) is connected in the mounting frame (410); The frame unit (120) includes a plate body B (123), four supporting rods (122) are connected through the plate body B (123), the top of the four supporting rods (122) is connected with a plate body A (121) and located above the plate body B (123), the bottom of the four supporting rods (122) is connected with a plate body C (125) and located below the plate body B (123), two reinforcing plates (124) are connected between the top of the plate body C (125) and the plate body B (123), and the top of the plate body A (121) is connected with the hydraulic rod (110), wherein the telescopic end of the hydraulic rod (110) penetrates the plate body A (121); The support frame (310) includes two vertical plates A (311), the bottom ends of the two vertical plates A (311) are connected to the top of the plate body C (125), and the top of the two vertical plates A (311) is connected with a top plate A (312), and the top plate A (312) is connected with a bearing plate B (314) through four telescopic rods (313); The supporting plate (320) is located above the bearing plate B (314), and the bottom of the supporting plate (320) is connected with a transverse sliding block E (321) near the edge, and the bottom of the supporting plate (320) is connected with a push rod C (322) near an edge; The supporting slide (330) includes two groups of supporting plates (331) connected to the top of the top plate A (312), and the two groups of supporting plates (331) are provided with transverse sliding rails (332) for accommodating the transverse sliding blocks E (321); The mounting frame (410) is connected on the top of the plate body C (125) and located in the support frame (310) through the flange plate (413), and the mounting frame (410) comprises two vertical plates B (411), the top and bottom of the two vertical plates B (411) are connected with the top plate B (412), and the top plate B (412) located at the bottom of the two vertical plates B (411) in the mounting frame (410) is connected on the top of the flange plate (413); The top rod (422) is arranged through the two top plates B (412), the surface of the top rod (422) is sleeved with the brake (424) and located between the two vertical plates B (411), the top of the top rod (422) is connected with the pressing head (421), and the bottom of the top rod (422) is connected with the air cylinder B (423).

2. The device according to claim 1, wherein The transverse displacement assembly (220) comprises one transverse sliding block B (223) and two transverse sliding blocks A (222) connected on the corner plate (210), and further comprises one transverse sliding sleeve B (225) and two transverse sliding sleeves A (224) connected on the mounting plate A (230), the transverse sliding sleeve B (225) is slidably sleeved outside the transverse sliding block B (223), and the two transverse sliding sleeves A (224) are respectively slidably sleeved outside the two transverse sliding blocks A (222), and the moving drag chain (221) is connected between the mounting plate A (230) and the corner plate (210) at a position deviated upward.

3. The device according to claim 2, wherein The up-down displacement assembly comprises the air cylinder A (231) connected on the surface of the mounting plate A (230) at a middle position, and further comprises the vertical sliding blocks (232) connected on the surface of the mounting plate A (230) and located on both sides of the air cylinder A (231), and the surfaces of the two vertical sliding blocks (232) are slidably sleeved with the vertical sliding sleeves (235) connected with the folding plate; The folding plate comprises the bearing plate A (233), and the bearing plate A (233) is connected with the mounting plate B (234) at a position close to an edge on the top.

4. The device according to claim 3, wherein The bidirectional displacement assembly (240) comprises the displacement unit A connected on the bottom of the bearing plate A (233), the displacement unit A comprises the mounting disc A (241) connected on the bottom of the bearing plate A (233), the bottom of the mounting disc A (241) is connected with the transverse sliding sleeve C (242) at a middle position, the transverse sliding sleeve C (242) is slidably provided with the transverse sliding block C (245), the bottom of the transverse sliding block C (245) is connected with the intermediate plate (244), the bottom of the mounting disc A (241) is connected with the connecting block A (2411) and located on both sides of the transverse sliding sleeve C (242), and the connecting block A (2411) is connected with the pushing rod A (243) and connected with the intermediate plate (244).

5. The device according to claim 4, wherein The displacement unit A is connected with a displacement unit B, the displacement unit B comprises a transverse sliding block D (246) connected with the middle plate (244) at the bottom middle position, and the transverse sliding block D (246) is externally sleeved with a transverse sliding sleeve D (249), the bottom of the transverse sliding sleeve D (249) is connected with a mounting disc B (248), the top of the mounting disc B (248) is connected with two connecting blocks B (2481) and is located at the two sides of the transverse sliding sleeve D (249) respectively, the two connecting blocks B (2481) are both connected with a push rod B (247), and the position, away from the connecting block B (2481), of the push rod B (247) is connected with the middle plate (244).

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