A quick clamping device for welding a shell to a flange

Abstract

This utility model discloses a quick clamping device for welding a shell and a flange, comprising: a mounting base; a flange positioning component connected to the mounting base for positioning the flange; a support bracket connected to the mounting base and spaced apart from the flange positioning component for supporting the shell wall panel; several side positioning components connected to the mounting base at intervals and spaced apart from the flange positioning component, which, when the shell wall panel contacts the flange and the support bracket, form a blocking limit at the edge of the shell wall panel; and several clamping components connected to the mounting base at intervals for clamping and positioning the shell wall panel and the flange. This overcomes the technical problems of inconvenient clamping of the shell wall panel and flange, poor positioning accuracy, and inconsistent welding quality between the shell wall panel and the flange.

Description

Technical Field

[0001] This utility model relates to the field of valve technology, specifically a quick clamping device for welding a shell to a flange. Background Technology

[0002] When welding the shell and flange of a vacuum valve, a combination of bolts and C-clamps is usually used to clamp and position the shell plate and flange. This positioning method has some shortcomings: 1. By using multiple bolts to connect the flange to the shell wall panel, there will be gaps between the threads when the bolts are threaded, resulting in inaccurate positioning. In addition, using multiple bolts for locking makes clamping inconvenient. 2. Due to the thin walls, poor rigidity, and easy deformation of the shell wall panels, the welding quality between the shell wall panels and the flanges is relatively poor, the stability is relatively poor, and the welding quality is difficult to unify. Utility Model Content

[0003] In view of the above-mentioned shortcomings in the related technologies, the purpose is to provide a quick clamping device for welding shell and flange, so as to solve the technical problems of inconvenient clamping of shell wall panels and flanges, poor positioning accuracy, and inconsistent welding quality between shell wall panels and flanges in the related technologies. The technical solution to achieve the objective is: a quick clamping device for welding a shell to a flange, comprising: Mounting base; A flange positioning element, connected to the mounting base, is used to position the flange; A support bracket, connected to the mounting base and spaced apart from the flange positioning member, is used to support the housing wall panel; Several side positioning elements are connected at intervals to the mounting base and are spaced apart from the flange positioning elements. When the housing wall panel contacts the flange and the support bracket, the side positioning elements are used to form a blocking limit at the edge of the housing wall panel. And several clamping components are connected at intervals to the mounting base for clamping and positioning the housing wall panel and the flange.

[0004] Furthermore: the flange positioning component includes: a first positioning seat connected to the mounting base, the first positioning seat having a positioning cavity for accommodating and positioning a portion of the flange; At least one first locating pin assembly is connected to a first groove on the first locating seat for positioning the flange; And at least one second locating pin assembly, connected to the second groove on the first locating seat, spaced apart from the first locating pin assembly, for positioning the flange.

[0005] Furthermore: the first positioning seat is a circular block structure; The positioning cavity is a circular inner cavity, and the starting point of the positioning cavity has a chamfer.

[0006] Furthermore, the first positioning seat also has two notches on its side wall, and the notches are symmetrically arranged.

[0007] Furthermore: the first positioning pin assembly includes: a first pin seat, disposed at the first groove, and connected to the first positioning seat; And a first pin, which is connected to the first pin seat, wherein the first pin is a diamond-shaped pin.

[0008] Furthermore: the second positioning pin assembly includes: a second pin seat, disposed at the second groove, and connected to the first positioning seat; And a second pin, which is connected to the second pin seat, the second pin being a cylindrical pin.

[0009] Furthermore: the side positioning component includes: a second positioning seat, one end of which is connected to the mounting base; Two third pins are spaced apart and connected to one end of the second positioning seat for connection with the mounting base; The positioning head is connected to the other end of the second positioning seat; And a first gasket, disposed between the positioning head and the second positioning seat.

[0010] Furthermore: the third pin is a cylindrical pin.

[0011] Furthermore: the clamping element includes: a third positioning seat, connected to the mounting base; The first support frame has one end in contact with the third positioning seat; The second support frame is connected to the first support frame and the third positioning seat; The cylinder is connected to the other end of the first support frame; Two first connecting rods are symmetrically arranged. One end of the first connecting rod is movably connected to the telescopic shaft on the cylinder, and the other end is movably connected to the second support frame. The pressure arm has one end movably connected to the second support frame, and the other end is away from the second support frame; The second link is movably connected at one end to the telescopic shaft and at the other end to the pressure arm; A pressure block seat is disposed on the other end of the pressure arm; A pad is disposed on the other end of the pressure arm, opposite to the pressure block seat; Connecting bolts connect the pad, the pressure arm, and the pressure block seat; Two pressure blocks are symmetrically connected to the pressure block seat for contacting the shell wall panel; A second gasket is disposed between the pressure block seat and the gasket block; And pneumatic components for controlling the cylinder's movement.

[0012] Furthermore: the pneumatic component includes: a pneumatic source; Triple unit; A mechanical valve is connected to the mounting base; At least four throttle valves, one of which controls one of the cylinders; And an air pipe connecting the air source, the triplet, the mechanical valve, the throttle valve, and the cylinder.

[0013] The above technical solution has the following beneficial effects: A quick clamping device for welding shell and flange, compared with related technologies, is provided with a mounting base, flange positioning component, support bracket, side positioning component and clamping component; The installation base forms a reliable support structure, which is conducive to connecting and arranging flange positioning parts, support brackets, side positioning parts and clamping parts. In use, a flange is set on the flange positioning piece, the flange is positioned by the flange positioning piece, the shell wall plate contacts the flange and the support bracket, the side positioning piece contacts the edge of the shell wall plate, the shell wall plate is blocked and limited, and the clamping piece presses down on the shell wall plate, thus realizing the reliable positioning of the shell wall plate and the flange. The clamping is relatively convenient, the positioning accuracy is relatively high, and the welding quality is guaranteed and the welding quality is relatively uniform. This overcomes the technical problems of inconvenient clamping of shell wall panels and flanges, poor positioning accuracy, and inconsistent welding quality between shell wall panels and flanges. It achieves the technical effects of relatively convenient clamping, relatively high positioning accuracy, guaranteed welding quality, and relatively uniform welding quality, and is practical. Attached Figure Description

[0014] Figure 1 This is a schematic diagram of the overall assembly structure; Figure 2 This is a structural schematic diagram of the flange positioning component; Figure 3 This is a schematic diagram of the structure of the first locating pin assembly; Figure 4 This is a structural schematic diagram of the second locating pin assembly; Figure 5 This is a structural schematic diagram of the side positioning component; Figure 6 A schematic diagram of the structure for removing the pneumatic components from the clamping parts; Figure 7 This is a schematic diagram of the pneumatic components and cylinder. Figure 8 This is a schematic diagram of the shell wall panels and flanges; In the diagram: 10. Mounting base, 20. Flange positioning element, 20-1. First positioning seat, 20-11. Positioning cavity, 20-11-1. Chamfer, 20-12. First groove, 20-13. Second groove, 20-14. Notch, 20-2. First positioning pin assembly, 20-21. First pin seat, 20-22. First pin, 20-3. Second positioning pin assembly, 20-31. Second pin seat, 20-32. Second pin, 30. Support bracket, 40. Side positioning element, 40-1. Second positioning seat, 40-2. Third pin, 40-3. Positioning head, 40-4. First gasket, 50. Clamping element, 50-1 50-2. Third positioning seat; 50-3. First support frame; 50-4. Second support frame; 50-5. Cylinder; 50-41. Telescopic shaft; 50-5. First connecting rod; 50-6. Pressure arm; 50-7. Second connecting rod; 50-8. Pressure block seat; 50-9. Pad; 50-10. Connecting bolt; 50-20. Pressure block; 50-30. Second gasket; 50-40. Pneumatic components; 50-40-1. Pneumatic components; 50-40-2. Triple unit; 50-40-3. Mechanical valve; 50-40-4. Throttle valve; 50-40-5. Air pipe; 100. Flange; 200. Shell wall panel; 300. Weld position. Detailed Implementation

[0015] To make the content easier to understand, the following detailed description is provided with reference to specific embodiments and accompanying drawings; A quick clamping device for welding shells and flanges solves the technical problems in related technologies, such as inconvenient clamping of shell panels and flanges, poor positioning accuracy, and inconsistent welding quality between the shell panels and flanges. This device can be manufactured and used, achieving the positive effects of relatively convenient clamping, relatively high positioning accuracy, and guaranteed welding quality with relatively uniform results. The overall concept is as follows:

[0016] Implementation Method

[0017] like Figure 1 , Figure 8 As shown; a quick clamping device for welding a shell to a flange, comprising: Mounting base 10; Flange positioning element 20 is connected to the mounting base 10 and is used to position flange 100; Support bracket 30 is connected to the mounting base 10 and is spaced apart from the flange positioning member 20 to support the shell wall panel 200. Several side positioning members 40 are connected at intervals to the mounting base 10 and are spaced apart from the flange positioning member 20. When the housing wall plate 200 contacts the flange 100 and the support bracket 30, the side positioning members 40 are used to form a blocking limit at the edge of the housing wall plate 200. And several clamping parts 50 are connected at intervals to the mounting base 10 for clamping and positioning the housing wall panel 200 and the flange 100; Specifically, during implementation, an installation base 10 is provided, forming a reliable support structure, which is conducive to connecting and arranging the flange positioning component 20, support bracket 30, side positioning component 40 and clamping component 50. A flange 100 is set on the flange positioning member 20, and the flange 100 is positioned by the flange positioning member 20. The shell wall plate 200 is placed on the flange 100 and the support member 30, and contacts the flange 100 and the support member 30. The side positioning member 40 contacts the edge of the shell wall plate 200, and the shell wall plate 200 is blocked and limited. The clamping member 50 presses the shell wall plate 200, so that the shell wall plate 200 and the flange 100 are reliably positioned. The clamping is relatively convenient, the positioning accuracy is relatively high, and the welding quality is guaranteed and the welding quality is relatively uniform. Another implementation method: like Figure 1 As shown; in practice, the mounting base 10 is a block structure, such as a rectangular block structure, and two isosceles trapezoidal notches are symmetrically arranged on the edge of the mounting base 10, which is relatively aesthetically pleasing; The mounting base 10 is provided, forming a reliable support structure, which is conducive to connecting the flange positioning component 20, support bracket 30, side positioning component 40 and clamping component 50. Another implementation method: like Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 8 As shown; in implementation, the flange positioning component 20 includes: a first positioning seat 20-1, connected to the mounting base 10, the first positioning seat 20-1 having a positioning cavity 20-11 for accommodating and positioning a portion of the flange 100; at least one first positioning pin assembly 20-2, connected to a first groove 20-12 on the first positioning seat 20-1 for positioning the flange 100; and at least one second positioning pin assembly 20-3, connected to a second groove 20-13 on the first positioning seat 20-1, spaced apart from the first positioning pin assembly 20-2, for positioning the flange 100. The first positioning seat 20-1 is a circular block structure with a regular shape, which is relatively easy to process and manufacture. The positioning cavity 20-11 is a circular inner cavity, and the starting point of the positioning cavity 20-11 has a chamfer 20-11-1. The chamfer 20-11-1 forms a guide, which is conducive to the flange 100 being inserted into the positioning cavity 20-11, making assembly relatively convenient. After a portion of the flange 100 is inserted into the positioning cavity 20-11, another portion of the flange 100 protrudes from the first positioning seat 20-1 (that is, the thickness of the flange 100 is greater than the depth of the positioning cavity 20-11), so that the first positioning seat 20-1 will not affect the contact between the flange 100 and the shell wall plate 200. The first groove 20-12 is a circular groove, which is beneficial for positioning the first positioning pin assembly 20-2; The second groove 20-13 is a circular groove, which is beneficial for positioning the second positioning pin assembly 20-3; The side wall of the first positioning seat 20-1 also has two notches 20-14. The notches 20-14 are symmetrically arranged. The notches 20-14 not only reduce the contact area between the flange 100 and the first positioning seat 20-1, which is conducive to the flange 100 being inserted into the positioning cavity 20-11, but also provide a force application space at the notches 20-14 when disassembling the flange 100, making disassembly relatively convenient. The first positioning pin assembly 20-2 includes: a first pin seat 20-21, disposed at the first groove 20-12 and connected to the first positioning seat 20-1; and a first pin 20-22, connected to the first pin seat 20-21, wherein the first pin 20-22 is a diamond-shaped pin. The first pin seat 20-21 is a circular block structure, which is set in the first groove 20-12 and is connected to the first positioning seat 20-1 by an internal hex bolt, making assembly relatively convenient. The first pin 20-22 is a common structure in the prior art, such as a diamond pin, one end of which is inserted into the first pin seat 20-21, and the other end is inserted into the through hole on the flange 100, which is beneficial for positioning the flange 100. The second positioning pin assembly 20-3 includes: a second pin seat 20-31, disposed at the second groove 20-13 and connected to the first positioning seat 20-1; and a second pin 20-32, connected to the second pin seat 20-31, wherein the second pin 20-32 is a cylindrical pin. The second pin seat 20-31 is a circular block structure, which is set in the second groove 20-13 and is connected to the first positioning seat 20-1 by an internal hex bolt, making assembly relatively convenient. The second pin 20-32 is a common structure in the prior art, such as a cylindrical pin, one end of which is inserted into the second pin seat 20-31, and the other end is inserted into the through hole on the flange 100, which is beneficial for positioning the flange 100. The 100 positioning flange, which uses a combination of diamond pins and cylindrical pins, is relatively easy to assemble and has relatively high positioning accuracy. Another implementation method: like Figure 1 As shown; in practice, the support bracket 30 is a rectangular block structure, which is connected to the mounting base 10 by internal hexagon bolts, making assembly relatively convenient, and is used to support the shell wall panel 200; Another implementation method: like Figure 1 , Figure 5 , Figure 8 As shown; in implementation, the side positioning component 40 includes: a second positioning seat 40-1, one end of which is connected to the mounting base 10; two third pins 40-2, spaced apart and connected to one end of the second positioning seat 40-1 for connection to the mounting base 10; a positioning head 40-3, connected to the other end of the second positioning seat 40-1; and a first gasket 40-4, disposed between the positioning head 40-3 and the second positioning seat 40-1.

[0018] The second positioning seat 40-1 has an "L" shaped structure, and one end is connected to the mounting base 10 by an internal hex bolt, making assembly relatively convenient; The third pin 40-2 is a cylindrical pin that is inserted into the second positioning seat 40-1 and the mounting base 10, so that the second positioning seat 40-1 is reliably positioned with relatively high positioning accuracy. The positioning head 40-3 and the second positioning seat 40-1 are threaded together; for example, the positioning head 40-3 is an internal hex bolt. A first shim 40-4, such as a stainless steel shim, is provided. By adjusting the thickness of the first shim 40-4, the position of the positioning head 40-3 is changed, which helps the positioning head 40-3 to abut against the edge of the housing wall plate 200, forming a blockage, and the housing wall plate 200 is reliably positioned. Another implementation method: like Figure 1 , Figure 6 , Figure 7 , Figure 8As shown; in implementation, the clamping member 50 includes: a third positioning seat 50-1, connected to the mounting base 10; a first support frame 50-2, one end of which contacts the third positioning seat 50-1; a second support frame 50-3, connected to the first support frame 50-2 and the third positioning seat 50-1; a cylinder 50-4, connected to the other end of the first support frame 50-2; two first connecting rods 50-5, symmetrically arranged, one end of the first connecting rod 50-5 being movably connected to the telescopic shaft 50-41 on the cylinder 50-4, and the other end being movably connected to the second support frame 50-3; and a pressure arm 50-6, one end of which is movably connected to the second support frame 50-3, and the other end being away from the second support frame 50-3. The second connecting rod 50-7 is movably connected at one end to the telescopic shaft 50-41 and at the other end to the pressure arm 50-6; the pressure block seat 50-8 is disposed on the other end of the pressure arm 50-6; the pad 50-9 is disposed on the other end of the pressure arm 50-6, opposite to the pressure block seat 50-8; the connecting bolt 50-10 connects the pad 50-9, the pressure arm 50-6, and the pressure block seat 50-8; two pressure blocks 50-20 are symmetrically connected to the pressure block seat 50-8 for contacting the housing wall panel 200; the second gasket 50-30 is disposed between the pressure block seat 50-8 and the pad 50-9; and the air passage element 50-40 is used to control the operation of the cylinder 50-4. There are four clamping parts 50, which are evenly distributed around the flange positioning part 20. This helps to evenly press the shell wall plate 200 and the flange 100 without damaging the shell wall plate 200. This ensures that the shell wall plate 200 and the flange 100 fit tightly together, guaranteeing the welding quality and making the welding quality relatively uniform. The third positioning seat 50-1 is a rectangular block structure, which is connected to the mounting base 10 by internal hex bolts, making assembly relatively convenient. The first support frame 50-2, the second support frame 50-3 and the third positioning seat 50-1 are connected by internal hex bolts, which makes assembly relatively convenient and forms a reliable support structure. One end of the first connecting rod 50-5 is movably connected to the telescopic shaft 50-41 by a pin, and the other end is movably connected to the second support frame 50-3 by a pin. The first connecting rod 50-5 forms a reliable support structure and rotates relatively smoothly. One end of the pressure arm 50-6 is movably connected to the second support frame 50-3 via a pin, allowing the pressure arm 50-6 to rotate around the pin as the rotation center. One end of the second connecting rod 50-7 is movably connected to the pin at the telescopic shaft 50-41, and the other end is connected to the pressure arm 50-6, for example, by welding. When the cylinder 50-4 is activated, the cylinder 50-4 is linked to the second connecting rod 50-7, and the second connecting rod 50-7 is linked to the pressure arm 50-6 to rotate around the pin as the rotation center. The shape of the pressure block seat 50-8 is a rectangular block structure; The pad 50-9 has a U-shaped structure. The connecting bolt 50-10 is an internal hex bolt, which is inserted into the pad 50-9 and the pressure arm 50-6, and is threaded to the pressure block seat 50-8, connecting the pad 50-9, the pressure arm 50-6 and the pressure block seat 50-8, making assembly relatively convenient; The pressure block 50-20 is a square block structure, which is connected to the pressure block seat 50-8 by internal hex bolts and is used to directly contact the shell wall panel 200. A second shim 50-30, such as a stainless steel shim, is provided. By adjusting the thickness of the second shim 50-30, the position of the pressure block 50-20 is changed, which is beneficial for the pressure block 50-20 to contact and press the shell wall plate 200. The cylinder 50-4 and the air circuit element 50-40 are common structures in the prior art. The air circuit element 50-40 includes: an air source 50-40-1; a triplet 50-40-2; a mechanical valve 50-40-3 connected to the mounting base 10; at least four throttle valves 50-40-4, one of which controls one cylinder 50-4; and an air pipe 50-40-5 connecting the air source 50-40-1, the triplet 50-40-2, the mechanical valve 50-40-3, the throttle valve 50-40-4, and the cylinder 50-4. For example: Air source 50-40-1 is an air compressor used to generate compressed air; The 50-40-2 triplet is a component that combines an air filter, a pressure reducing valve, and an oil mist lubricator into one unit to ensure the quality of compressed air. Mechanical valve 50-40-3 is a switch used to control the on / off of compressed air, making it easy for operators to control. The throttle valve 50-40-4 is used to control the flow rate of compressed air; The trachea 50-40-5 is a flexible tube; In use, the operator presses the mechanical valve 50-40-3. Compressed air flows along the air pipe 50-40-5, passes through the throttle valve 50-40-4, and enters the cylinder 50-4. When the cylinder 50-4 is activated, the telescopic shaft 50-41 on the cylinder 50-4 extends. The telescopic shaft 50-41 is linked to the second connecting rod 50-7. The second connecting rod 50-7 is linked to the pressure arm 50-6 to press down towards the housing wall plate 200. The pressure arm 50-6 is linked to the pressure block seat 50-8, the pad 50-9, the connecting bolt 50-10, the pressure block 50-20, and the second pad 50-30 to press down. The pressure block 50-20 contacts the housing wall plate 200, thus achieving the pressing of the housing wall plate 200. Regarding the structure of flange 100 and shell wall plate 200: See Figure 8 After the shell wall panel 200 and the flange 100 are pressed together, it is beneficial to inspect the weld position 300 between the flange 100 and the shell wall panel 200 (weld position 300 is...). Figure 8 Welding is performed at the position indicated by the dotted line in the diagram. The operation is relatively convenient. Anyone skilled in the art can directly and without doubt know how to weld after seeing the disclosed content. No creative effort or excessive experimentation is required. In the description, it should be understood that the terms "up", "down", "left", "right", "front", "back", etc., indicate the orientation or positional relationship based on the positional relationship shown in the accompanying drawings, and are only for the convenience or simplification of the description, rather than indicating a specific orientation that must be present; the operation process described in the embodiments is not an absolute usage step, and corresponding adjustments can be made in actual use; Unless otherwise defined, the technical or scientific terms used herein shall have the ordinary meaning as understood by one of ordinary skill in the art; the words “first,” “second,” and similar terms used in the specification and claims do not indicate any order, quantity, or importance, but are merely used to distinguish different components, and similarly, the words “a” or “a” and similar terms do not determine a quantity limitation, but rather indicate the presence of at least one, as determined by the content of the embodiments; The above description is only a preferred embodiment, but the scope of protection is not limited thereto. Any equivalent substitutions or modifications made by those skilled in the art within the scope of the disclosed technology, based on the technical solution and inventive concept, should be included within the scope of protection.

Claims

1. A quick clamping device for welding a housing to a flange, characterized in that, include: Mounting base; A flange positioning element, connected to the mounting base, is used to position the flange; A support bracket, connected to the mounting base and spaced apart from the flange positioning member, is used to support the housing wall panel; Several side positioning elements are connected at intervals to the mounting base and are spaced apart from the flange positioning elements. When the housing wall panel contacts the flange and the support bracket, the side positioning elements are used to form a blocking limit at the edge of the housing wall panel. And several clamping components are connected at intervals to the mounting base for clamping and positioning the housing wall panel and the flange.

2. The quick clamping device for welding a shell and a flange according to claim 1, characterized in that: The flange positioning component includes: a first positioning seat connected to the mounting base, the first positioning seat having a positioning cavity for accommodating and positioning a portion of the flange; At least one first locating pin assembly is connected to a first groove on the first locating seat for positioning the flange; And at least one second locating pin assembly, connected to the second groove on the first locating seat, spaced apart from the first locating pin assembly, for positioning the flange.

3. The quick clamping device for welding a shell and a flange according to claim 2, characterized in that: The first positioning seat is a circular block structure; The positioning cavity is a circular inner cavity, and the starting point of the positioning cavity has a chamfer.

4. The quick clamping device for welding a shell and a flange according to claim 3, characterized in that: The first positioning seat also has two notches on its side wall, and the notches are symmetrically arranged.

5. The quick clamping device for welding a shell and a flange according to claim 2, characterized in that: The first positioning pin assembly includes: a first pin seat, disposed at the first groove and connected to the first positioning seat; And a first pin, connected to the first pin seat, wherein the first pin is a diamond-shaped pin.

6. The quick clamping device for welding a shell and a flange according to claim 2, characterized in that: The second positioning pin assembly includes: a second pin seat, disposed at the second groove, and connected to the first positioning seat; And a second pin, which is connected to the second pin seat, the second pin being a cylindrical pin.

7. The quick clamping device for welding a shell and a flange according to claim 1, characterized in that: The side positioning component includes: a second positioning seat, one end of which is connected to the mounting base; Two third pins are spaced apart and connected to one end of the second positioning seat for connection with the mounting base; The positioning head is connected to the other end of the second positioning seat; And a first gasket, disposed between the positioning head and the second positioning seat.

8. A quick clamping device for welding a shell and a flange according to claim 7, characterized in that: The third pin is a cylindrical pin.

9. A quick clamping device for welding a shell and a flange according to claim 1, characterized in that: The clamping component includes: a third positioning seat, connected to the mounting base; The first support frame has one end in contact with the third positioning seat; The second support frame is connected to the first support frame and the third positioning seat; The cylinder is connected to the other end of the first support frame; Two first connecting rods are symmetrically arranged. One end of the first connecting rod is movably connected to the telescopic shaft on the cylinder, and the other end is movably connected to the second support frame. The pressure arm has one end movably connected to the second support frame, and the other end is away from the second support frame; The second link is movably connected at one end to the telescopic shaft and at the other end to the pressure arm; A pressure block seat is disposed on the other end of the pressure arm; A pad is disposed on the other end of the pressure arm, opposite to the pressure block seat; Connecting bolts connect the pad, the pressure arm, and the pressure block seat; Two pressure blocks are symmetrically connected to the pressure block seat for contacting the shell wall panel; A second gasket is disposed between the pressure block seat and the gasket block; And pneumatic components for controlling the cylinder's movement.

10. A quick clamping device for welding a shell and a flange according to claim 9, characterized in that: The pneumatic components include: a gas source; Triple unit; A mechanical valve is connected to the mounting base; At least four throttle valves, one of which controls one of the cylinders; And an air pipe connecting the air source, the triplet, the mechanical valve, the throttle valve, and the cylinder.

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