A self-adjusting resistance balancer and valve integrated device

Abstract

The present invention relates to the field of valve technology, and discloses a self-adjusting resistance balancer and valve integration device, including a workbench, on which two groups of support platforms are symmetrically arranged, and the two groups of support platforms are slidably connected to the workbench, and side plates are slidably arranged on the two groups of support platforms, and tensioning rings for clamping a fixed resistance balancer and a valve are fixed on the side plates. An adjusting mechanism is arranged on the support platform, and the adjusting mechanism adaptively clamps the joints of fixed resistance balancers and valves with different outer diameters by adjusting the inner diameter of the tensioning ring; the adjusting mechanism includes a servo electric cylinder, and the servo electric cylinder is fixed on the support platform, and a hydraulic oil tank is opened in the support platform; the technical scheme can adaptively clamp and fix the joint parts of the resistance balancer and the valve through the tensioning ring, so as to meet the clamping work of joints with different diameters.

Description

Technical Field

[0001] The invention relates to the technical field of valves, and in particular to a self-adjusting resistance balancer and valve integrated device. Background Art

[0002] The self-adjusting resistance balancer automatically adjusts the internal resistance by detecting the pressure changes in the system, ensuring that the system can maintain balance under various working conditions. The self-adjusting resistance balancer is connected to the valve to form an integrated structure, which can ensure that when the valve is in use, it can automatically adjust the internal resistance by detecting the pressure changes, thereby ensuring the stability and accuracy of the valve system.

[0003] When the self-adjusting resistance balancer and the valve are connected to form an integrated device, the joint parts of the self-adjusting resistance balancer and the valve need to be docked so that the self-adjusting resistance balancer and the valve can be used together. When docking, the joint parts of the self-adjusting resistance balancer and the valve generally need to be clamped. After clamping, the clamped joint parts of the self-adjusting resistance balancer and the valve are docked by manually pushing. In the above process, when faced with joints of self-adjusting resistance balancer and valves of different diameters, the clamping part cannot adapt to the diameter of the joint part, which makes it inconvenient to clamp the joints of self-adjusting resistance balancer and valves of different diameters, thereby reducing work efficiency. Summary of the invention

[0004] The present invention provides a self-adjusting resistance balancer and valve integrated device, which adjusts the exposed length of the slide plate relative to the clamping plate by setting a tensioning ring, thereby automatically adjusting the size of the tensioning ring, and can adaptively clamp and fix the joint part of the resistance balancer and the valve, solving the problem mentioned in the above background technology that it is inconvenient to clamp the joints of self-adjusting resistance balancers and valves of different diameters, thereby reducing work efficiency.

[0005] The present invention provides the following technical solution: a self-adjusting resistance balancer and valve integrated device, comprising a workbench, on which two groups of support platforms are symmetrically arranged, both groups of support platforms are slidably connected to the workbench, both groups of support platforms are slidably arranged with side plates, and tensioning rings for clamping a fixed resistance balancer and a valve are fixed on the side plates, and an adjustment mechanism is arranged on the support platform, and the adjustment mechanism adaptively clamps the joints of the fixed resistance balancer and the valve with different outer diameters by adjusting the inner diameter of the tensioning ring;

[0006] The adjusting mechanism includes a servo electric cylinder, which is fixed on the supporting platform. A hydraulic oil groove is provided in the supporting platform. A push plate is sealed in the hydraulic oil groove. The output end of the servo electric cylinder is fixedly connected to the surface of the push plate. An oil guide groove is connected to the hydraulic oil groove. A first driving groove is provided in the supporting platform. The first driving groove is connected to the oil guide groove. A first piston plate is elastically provided in the first driving groove. A slide seat is elastically connected to the first piston plate. The side plate is fixed on the slide seat. A slideway for sliding the slide seat is provided on the supporting platform.

[0007] As an optional solution of the self-adjusting resistance balancer and valve integrated device described in the present invention, the tensioning ring includes two groups of clamping plates and two groups of slide plates, the two groups of clamping plates are respectively fixed on the two groups of side plates, the ends of the two groups of slide plates are fixed with sliding blocks, and the inner sides of the two groups of clamping plates are provided with first sliding grooves for the sliding blocks to slide.

[0008] As an optional solution of the self-adjusting resistance balancer and valve integrated device described in the present invention, a guide block is fixed on the top of the sliding block, a limiting protrusion is fixed on the guide block, and a limiting groove for sliding of the limiting protrusion is provided at the bottom of the first sliding groove.

[0009] As an optional solution of the self-adjusting resistance balancer and valve integrated device described in the present invention, a vent hole is opened on one side of the support platform, a No. 1 spring is fixed to the inner wall of the first drive groove, the other end of the No. 1 spring is fixed to the first piston plate, and a No. 2 spring is fixed between the first piston plate and the slide seat.

[0010] As an optional scheme of the self-adjusting resistance balancer and valve integrated device described in the present invention, a first oil guide pipe connected to the first drive groove is arranged in the first piston plate, a sealing groove is opened inside the sliding seat, a sealing block is slidably arranged in the sealing groove, a through groove is opened in the sealing block, an end of the first oil guide pipe is connected to the through groove, an oil drain port is connected on the inner wall of the sealing groove, a second oil guide pipe is connected on the oil drain port, an oil drain groove is opened in the support platform, and an end of the second oil guide pipe is slidably arranged in the oil drain groove.

[0011] As an optional solution of the self-adjusting resistance balancer and valve integrated device described in the present invention, a movable groove is provided on the workbench, a movable seat is elastically connected in the movable groove, the support platform is fixed on the movable seat, a second driving groove is provided in the workbench, a second piston plate is slidably arranged in the second driving groove, a push rod is fixed on the second piston plate, a first convex plate is fixed on the movable seat, the end of the push rod is fixed on the first convex plate, an oil pipe is connected to one side of the oil drain groove, and the other end of the oil pipe is connected to the second driving groove.

[0012] As an optional solution of the self-adjusting resistance balancer and valve integrated device described in the present invention, a first spring groove is opened inside the workbench, a No. 3 spring is fixed on the inner wall of the first spring groove, a second convex plate is fixed on the movable seat, the end of the No. 3 spring is fixed on the second convex plate, and a groove for accommodating the oil pipeline is opened on the workbench.

[0013] As an optional solution of the self-adjusting resistance balancer and valve integrated device described in the present invention, a slot is provided at the bottom of the blocking block, a rod for inserting into the slot is elastically connected to the sliding seat, a second sliding groove for sliding the rod is provided inside the support platform, a first interference block is fixed in the second sliding groove, and a second interference block for interfering with the first interference block is fixed on the rod.

[0014] As an optional solution of the self-adjusting resistance balancer and valve integrated device described in the present invention, a lifting groove for the insertion rod to slide is provided in the sliding seat, a second spring groove is provided on one side of the lifting groove, a No. 4 spring is fixed in the second spring groove, a lifting plate is fixed on the insertion rod, the lifting plate is slidably arranged in the second spring groove, and the end of the No. 4 spring is fixedly connected to the lifting plate.

[0015] As an optional solution of the self-adjusting resistance balancer and valve integrated device of the present invention, a first inclined surface is arranged at the bottom of the blocking block, and a second inclined surface is arranged at the top of the insertion rod.

[0016] The present invention has the following beneficial effects:

[0017] 1. In the self-adjusting resistance balancer and valve integrated device, the slide is driven to move by the adjustment mechanism, the slide drives the side plate to move, and the side plate drives the clamping plates on both sides of the tensioning ring to move, so that the slide plate is extended and retracted relative to the clamping plate, and the leakage length of the slide plate relative to the clamping plate is adjusted, so that the tensioning ring can automatically adjust its size, so that the joint part of the resistance balancer and the valve can be adaptively clamped and fixed, which meets the clamping work of joints with different diameters and is convenient to increase work efficiency. In addition, when the tensioning ring is clamping, it can automatically calibrate the center position of the joint to ensure that the center position of the joint of the resistance balancer and the valve is consistent, so as to facilitate docking.

[0018] 2. In the self-adjusting resistance balancer and valve integrated device, after the tensioning ring clamps and fixes the joint part, the second spring is compressed to make the first piston plate drive the first oil guide pipe to push the blocking block to move in the blocking groove, and the first oil guide pipe, the through groove and the oil drain port are connected to release the excess pressure of the hydraulic oil on the first piston plate and discharge it into the oil drain groove. During this process, the slide seat will not move again, so that the size of the tensioning tube remains unchanged, thereby avoiding the tensioning ring being stuck and broken due to continuous pressure on the tensioning ring;

[0019] The technical solution also connects the oil drain groove to the oil delivery pipe, passes the hydraulic oil into the second driving groove, and uses the hydraulic oil discharged during pressure relief to push the second piston plate to move in the second driving groove, thereby driving the moving seat to slide in the moving groove, thereby facilitating the automatic docking of the joint part and further increasing the work efficiency;

[0020] 3. In the self-adjusting resistance balancer and valve integrated device, during the process of the hydraulic oil being sucked back, the rod is inserted into the slot through the insertion rod, so that the first piston plate and the sliding seat can only be reset and moved synchronously first, so that the first oil guide pipe, the through groove and the oil discharge port are always in a connected state. At this time, the hydraulic oil can be sucked back from the second oil guide pipe, the oil discharge groove, the oil pipe and the second drive groove, so as to facilitate the full suction of the hydraulic oil in the second oil guide pipe, the oil discharge groove, the oil pipe and the second drive groove, and facilitate the reset of the movable seat. After the hydraulic oil in the second oil guide pipe, the oil discharge groove, the oil pipe and the second drive groove is sucked back, the rod is removed from the slot, and the blocking block moves relative to the blocking groove, so that the through groove and the oil discharge port are no longer connected, so that when the hydraulic oil inside the first drive groove is sucked back, the second oil guide pipe, the oil discharge groove, the oil pipe and the second drive groove will not generate excessive negative pressure. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a schematic diagram of the three-dimensional structure of the present invention.

[0022] Figure 2 For the present invention Figure 1 Schematic diagram of the three-dimensional structure of the tensioning ring part.

[0023] Figure 3 For the present invention Figure 2 Enlarged view of point A in the middle.

[0024] Figure 4 It is a schematic cross-sectional view of the tensioning ring part in the present invention.

[0025] Figure 5 It is a top view of the structure of the support platform part in the present invention.

[0026] Figure 6 For the present invention Figure 5 Enlarged view of point B in the middle.

[0027] Figure 7 It is a side structural cross-sectional view of the interior of the support platform in the present invention.

[0028] Figure 8 For the present invention Figure 7 Enlarged view of point C in the middle.

[0029] Fig. 9 For the present invention Figure 8 Enlarged view of point D in the middle.

[0030] Fig.10 It is a schematic diagram of the main structure of the present invention.

[0031] Fig.11 It is a top view of the structure of the workbench part of the present invention.

[0032] In the figure: 1. workbench; 2. support table; 3. side plate; 4. resistance balancer; 5. valve; 6. tension ring; 61. clamping plate; 62. slide plate; 63. slide block; 64. first slide groove; 65. guide block; 66. limit protrusion; 67. limit groove; 7. adjustment mechanism; 71. servo cylinder; 72. hydraulic oil groove; 73. push plate; 74. oil guide groove; 75. first drive groove; 76. first piston plate; 77. slide seat; 78. slideway; 79. vent hole; 710. No. 1 spring; 711. No. 2 spring; 8. first oil guide pipe; 9. blocking groove; 10. blocking block ; 11. through groove; 12. oil drain port; 13. second oil guide pipe; 14. oil drain groove; 15. movable groove; 16. movable seat; 17. second drive groove; 18. second piston plate; 19. push rod; 20. first convex plate; 21. oil delivery pipe; 22. first spring groove; 23. No. 3 spring; 24. second convex plate; 25. groove; 26. slot; 27. plug rod; 28. second slide groove; 29. ​​first resistance block; 30. second resistance block; 31. lifting groove; 32. second spring groove; 33. No. 4 spring; 34. lifting plate; 35. first inclined surface; 36. second inclined surface. DETAILED DESCRIPTION

[0033] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0034] For example, see Figure 1-Figure 11 A self-adjusting resistance balancer and valve integrated device, comprising a workbench 1, on which two groups of support platforms 2 are symmetrically arranged, and the two groups of support platforms 2 are slidably connected to the workbench 1, and side plates 3 are slidably arranged on the two groups of support platforms 2, and tensioning rings 6 for clamping a fixed resistance balancer 4 and a valve 5 are fixed on the side plates 3, and an adjusting mechanism 7 is arranged on the support platform 2, and the adjusting mechanism 7 adaptively clamps the joints of the fixed resistance balancer 4 and the valve 5 with different outer diameters by adjusting the inner diameter of the tensioning ring 6;

[0035] The adjustment mechanism 7 includes a servo electric cylinder 71, which is fixed on the support platform 2. A hydraulic oil groove 72 is provided in the support platform 2, and a push plate 73 is sealed in the hydraulic oil groove 72. The output end of the servo electric cylinder 71 is fixedly connected to the surface of the push plate 73. An oil guide groove 74 is connected to the hydraulic oil groove 72. A first driving groove 75 is provided in the support platform 2. The first driving groove 75 is connected to the oil guide groove 74. A first piston plate 76 is elastically provided in the first driving groove 75. A slide seat 77 is elastically connected to the first piston plate 76. The side plate 3 is fixed on the slide seat 77, and a slideway 78 for the slide seat 77 to slide is provided on the support platform 2.

[0036] The tensioning ring 6 includes two groups of clamping plates 61 and two groups of slide plates 62. The two groups of clamping plates 61 are fixed to the two groups of side plates 3 respectively. The ends of the two groups of slide plates 62 are fixed with slide blocks 63. The inner sides of the two groups of clamping plates 61 are provided with first slide grooves 64 for the slide blocks 63 to slide.

[0037] A guide block 65 is fixed on the top of the slider 63, a limiting protrusion 66 is fixed on the guide block 65, and a limiting groove 67 for the limiting protrusion 66 to slide is formed at the bottom of the first slide groove 64;

[0038] A vent hole 79 is provided on one side of the support platform 2. A No. 1 spring 710 is fixed to the inner wall of the first driving groove 75. The other end of the No. 1 spring 710 is fixed to the first piston plate 76. A No. 2 spring 711 is fixed between the first piston plate 76 and the slide seat 77.

[0039] In the present technical solution, the resistance balancer 4 is a prior art, which is used to adjust the resistance. It is generally a columnar structure with external joints at both ends. The resistance balancer 4 is not the innovation of the present application and will not be described in detail. When connecting the resistance balancer 4 and the valve 5, first pass the joint part of the resistance balancer 4 and the valve 5 through the tension ring 6 (such as Figure 1 and Fig.10 As shown), then the servo electric cylinder 71 is started, so that the servo electric cylinder 71 pushes the push plate 73 to move, so that the push plate 73 fills the hydraulic oil in the hydraulic oil groove 72 into the first driving groove 75 through the oil guide groove 74. When the hydraulic oil is filled into the first driving groove 75, it will push the first piston plate 76 to move, and the first piston plate 76 drives the slide seat 77 to slide inside the slideway 78. The sliding of the slide seat 77 drives the side plate 3 to move. The movement of the side plate 3 drives the two groups of clamping plates 61 of the tensioning ring 6 to approach each other, and at the same time, the two groups of slide plates 62 drive the guide block 65 to slide in the first slide groove 64, changing the leakage length of the two groups of slide plates 62, thereby adjusting the inner diameter between the two groups of clamping plates 61 and the two groups of slide plates 62, until the two groups of clamping plates 61 and the two groups of slide plates 62 clamp and fix the joint part of the resistance balancer 4 and the valve 5;

[0040] In the present technical solution, both sets of slide plates 62 are made of metal sheets with a certain elasticity. When the exposed length of the two sets of slide plates 62 changes, the two sets of slide plates 62 can bend accordingly, so as to adapt to the change of the curvature of the slide plates 62 when the two sets of clamping plates 61 are close to each other; the first spring 710 is initially in a compressed state, and when the first piston plate 76 moves to the right in the first driving groove 75 (such as Figure 7 As shown), the No. 1 spring 710 releases force, and the No. 1 spring 710 drives the first piston plate 76 to move, so that the first piston plate 76 drives the slide seat 77 to move, and the No. 2 spring 711 is set, and will not be compressed by the first piston plate 76 before the tensioning ring 6 clamps and fixes the joint part of the resistance balancer 4 and the valve 5, so that the first piston plate 76 can drive the slide seat 77 to move together until the joint part of the resistance balancer 4 and the valve 5 is clamped and fixed by the tensioning ring 6, thereby facilitating the adaptive clamping of the joint part of the resistance balancer 4 and the valve 5; the air vent 79 is set to balance the pressure on one side of the push plate 73.

[0041] In the second embodiment, when facing the joints of the resistance balancer 4 and the valve 5 with different outer diameters, it is impossible to determine when the tensioning ring 6 has completed the clamping and fixing of the joints of the resistance balancer 4 and the valve 5. If, after clamping and fixing, the hydraulic oil continues to push the first piston plate 76 to drive the slide 77 to move, and the slide 77 drives the tensioning ring 6 to continue to contract, but because the tensioning ring 6 has clamped and fixed the joint part of the resistance balancer 4 and the valve 5, the tensioning ring 6 will be stuck and broken. In view of this problem, this embodiment is an improvement made on the basis of the first embodiment. For details, please refer to Figure 1-Figure 11 A first oil guide pipe 8 connected to the first driving groove 75 is provided in the first piston plate 76, a blocking groove 9 is provided inside the slide seat 77, a blocking block 10 is slidably provided in the blocking groove 9, a through groove 11 is provided in the blocking block 10, an end of the first oil guide pipe 8 is connected to the through groove 11, an oil discharge port 12 is provided on the inner wall of the blocking groove 9, a second oil guide pipe 13 is provided on the oil discharge port 12, an oil discharge groove 14 is provided in the support platform 2, and an end of the second oil guide pipe 13 is slidably provided in the oil discharge groove 14;

[0042] A moving groove 15 is provided on the workbench 1, a moving seat 16 is elastically connected in the moving groove 15, the support platform 2 is fixed on the moving seat 16, a second driving groove 17 is provided in the workbench 1, a second piston plate 18 is slidably provided in the second driving groove 17, a push rod 19 is fixed on the second piston plate 18, a first convex plate 20 is fixed on the moving seat 16, an end of the push rod 19 is fixed on the first convex plate 20, an oil delivery pipe 21 is connected to one side of the oil drain groove 14, and the other end of the oil delivery pipe 21 is connected to the second driving groove 17;

[0043] A first spring groove 22 is provided inside the workbench 1, a third spring 23 is fixed on the inner wall of the first spring groove 22, a second convex plate 24 is fixed on the movable seat 16, an end of the third spring 23 is fixed on the second convex plate 24, and a groove 25 for accommodating the oil delivery pipe 21 is provided on the workbench 1;

[0044] In the present technical solution, after the tensioning ring 6 clamps and fixes the joint of the resistance balancer 4 and the valve 5, the servo electric cylinder 71 continues to push the push plate 73 to move in the hydraulic oil groove 72, so that the first piston plate 76 continues to slide in the first driving groove 75. When the first piston plate 76 continues to slide, since the tensioning ring 6 has clamped and fixed the joint of the resistance balancer 4 and the valve 5, the size of the tensioning ring 6 can no longer be changed. At this time, the slide seat 77 cannot continue to move forward. At this time, the first piston plate 76 will compress the No. 2 spring 711, so that the No. 2 spring 711 accumulates force. At the same time, the first piston plate 76 drives the first oil guide pipe 8 to move, and the first oil guide pipe 8 drives the blocking block 10 to move in the blocking groove 9, so that the blocking block 10 moves from the left side of the blocking groove 9 to the right side (such as Figure 8 and Fig. 9 As shown), at this time, the through groove 11 is connected with the oil discharge port 12, and the hydraulic oil in the first driving groove 75 enters the second oil guide pipe 13 through the first oil guide pipe 8, the through groove 11 and the oil discharge port 12. The hydraulic oil enters the oil discharge groove 14 through the second oil guide pipe 13, and then enters the oil delivery pipe 21 through the oil discharge groove 14, and is filled into the second driving groove 17 through the oil delivery pipe 21, pushing the second piston plate 18 to move, and the second piston plate 18 pushes the first convex plate 20 to move rightward through the push rod 19 (as shown in FIG. Fig.11As shown in the figure, the first convex plate 20 moves rightward to drive the moving seat 16 to slide in the moving groove 15, and the No. 3 spring 23 is stretched and stored until the joint of the resistance balancer 4 and the joint of the valve 5 are connected, the servo electric cylinder 71 stops working, and then the joint of the resistance balancer 4 and the joint of the valve 5 after the connection are completed are connected and fixed to form an integrated device;

[0045] After the resistance balancer 4 and the valve 5 are connected to form an integrated device, the servo cylinder 71 performs a reset movement. When the servo cylinder 71 is reset, it drives the push plate 73 to reset. The push plate 73 resets and re-sucks the hydraulic oil into the first drive groove 75. In the process of the hydraulic oil being sucked into the first drive groove 75, the hydraulic oil inside the second drive groove 17 will be sucked out first, and the second piston plate 18 loses the resistance of the hydraulic oil. At this time, the No. 3 spring 23 releases the force, the second piston plate 18 resets, and drives the moving seat 16 to reset through the second convex plate 24. After the moving seat 16 is reset, the hydraulic oil continues to be sucked into the first drive groove 75, and the No. 2 spring 711 releases the force and drives the first piston plate 76 and the slide seat 77 to reset at the same time. The reset of the slide seat 77 makes the tensioning ring 6 open to the maximum diameter. The maximum inner diameter of the tensioning ring 6 is larger than the outer diameter of the joint between the resistance balancer 4 and the valve 5. At this time, the connected valve 5 and resistance balancer 4 can be moved out from the left side (such as Fig.10 As shown), the valve 5 and the resistance balancer 4 can be connected to form an integral whole for the next time;

[0046] In the present technical solution, when the movable seat 16 is reset, the tensioning rings 6 on both sides will be separated. Since the hydraulic oil is adsorbed by negative pressure, the hydraulic oil moves back to the first driving groove 75 through the oil pipe 21, the oil drain groove 14, the second oil guide pipe 13, and the first oil guide pipe 8. During this process, the first piston plate 76 loses the resistance of the hydraulic oil and will no longer provide thrust to the sliding seat 77, so that the tensioning ring 6 no longer provides clamping force. Therefore, when the movable seat 16 is reset, the tensioning ring 6 will not pull the clamping part, so that the joint part of the resistance balancer 4 and the valve 5 will slide with the tensioning ring 6, and the movable seat 16 will not be unable to be reset because the tensioning ring 6 has been providing clamping force.

[0047] In the third embodiment, during the resetting process of the first piston plate 76 and the sliding seat 77, the first piston plate 76 may be reset first with the sliding seat 77, causing the blocking block 10 to move in the blocking groove 9, so that the through groove 11 is no longer connected to the oil drain port 12, and the hydraulic oil cannot be continuously sucked back through the second oil guide pipe 13, resulting in the hydraulic oil in the second oil guide pipe 13, the oil drain groove 14, the oil pipe 21 and the second drive groove 17 cannot be fully sucked back, so that the hydraulic oil in the second oil guide pipe 13, the oil drain groove 14, the oil pipe 21 and the second drive groove 17 is too much, so that the movable seat 16 is not completely reset. In view of this problem, this embodiment is an improvement made on the basis of the second embodiment. For details, please refer to Figure 1-Figure 11 A slot 26 is provided at the bottom of the blocking block 10, a rod 27 for inserting into the slot 26 is elastically connected to the slide seat 77, a second slide groove 28 for the rod 27 to slide is provided inside the support platform 2, a first abutment block 29 is fixed in the second slide groove 28, and a second abutment block 30 for abutting against the first abutment block 29 is fixed on the rod 27;

[0048] A lifting groove 31 is provided in the slide seat 77 for the insertion rod 27 to slide, a second spring groove 32 is provided on one side of the lifting groove 31, a fourth spring 33 is fixed in the second spring groove 32, a lifting plate 34 is fixed on the insertion rod 27, the lifting plate 34 is slidably arranged in the second spring groove 32, and the end of the fourth spring 33 is fixedly connected to the lifting plate 34;

[0049] The bottom of the blocking block 10 is provided with a first inclined surface 35 , and the top of the insertion rod 27 is provided with a second inclined surface 36 ;

[0050] When the first and second stoppers 35 are in contact with each other, the first and second stoppers 35 are in contact with each other, and the first and second stoppers 35 are in contact with each other, so that the first and second stoppers 35 are in contact with each other, and the first and second stoppers 35 are in contact with each other, so that the first and second stoppers 35 are in contact with each other, and the first and second stoppers 35 are in contact with each other, so that the first and second stoppers 35 are in contact with each other, and the first and second stoppers 35 are in contact with each other, so that the first and second stoppers 35 are in contact with each other, and the first and second stoppers 35 are in contact with each other, so that the first and second stoppers 35 are in contact with each other, and the first and second stoppers 35 are in contact with each other, so that the first and second stoppers 35 are in contact with each other, and the first and second stoppers 35 are in contact with each other, so that the first and second stoppers 35 are in contact with each other, and the first and second stoppers 35 are in contact with each other, so that the first and second stoppers 35 are in contact with each other, and the first and second stoppers 35 are in contact with each other, so that the first and second stoppers 35 are in contact with each other, When the cam 72 is in the closed position, the oil pump 22 is turned off, and the oil pump 22 is turned off. When the cam 72 is in the closed position, the oil pump 22 is turned off, and the oil pump 22 is turned off. When the cam 72 is turned off, the oil pump 22 is turned off, and the oil pump 22 is turned off. Figure 8 and Fig. 9 As shown), after the hydraulic oil in the first driving groove 75 is completely sucked out, the servo cylinder 71 will continue to reset for a certain displacement, thereby generating negative pressure in the hydraulic oil groove 72. During this process, the first piston plate 76 compresses the No. 1 spring 710, so that the No. 1 spring 710 is reset to its initial compressed state until the first piston plate 76 is completely reset.

[0051] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0052] The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the technical principles of the present invention. These improvements and modifications should also be regarded as the scope of protection of the present invention.

Claims

1. A self-adjusting resistance balancer and valve integrated device, comprising a workbench (1), characterized in that: Two groups of support platforms (2) are symmetrically arranged on the workbench (1), and the two groups of support platforms (2) are slidably connected to the workbench (1). Side plates (3) are slidably arranged on the two groups of support platforms (2), and tensioning rings (6) for clamping the fixed resistance balancer (4) and the valve (5) are fixed on the side plates (3). An adjustment mechanism (7) is arranged on the support platform (2), and the adjustment mechanism (7) performs adaptive clamping on the joints of the fixed resistance balancer (4) and the valve (5) with different outer diameters by adjusting the inner diameter of the tensioning ring (6); The adjusting mechanism (7) comprises a servo electric cylinder (71), the servo electric cylinder (71) is fixed on the support platform (2), a hydraulic oil groove (72) is provided in the support platform (2), a push plate (73) is sealed in the hydraulic oil groove (72), an output end of the servo electric cylinder (71) is fixedly connected to the surface of the push plate (73), an oil guide groove (74) is connected to the hydraulic oil groove (72), a first driving groove (75) is provided in the support platform (2), the first driving groove (75) is connected to the oil guide groove (74), a first piston plate (76) is elastically provided in the first driving groove (75), a slide seat (77) is elastically connected to the first piston plate (76), the side plate (3) is fixed on the slide seat (77), and a slideway (78) for the slide seat (77) to slide is provided on the support platform (2); A first oil guide pipe (8) connected to the first driving groove (75) is arranged in the first piston plate (76); a blocking groove (9) is provided inside the sliding seat (77); a blocking block (10) is slidably arranged in the blocking groove (9); a through groove (11) is provided in the blocking block (10); an end of the first oil guide pipe (8) is connected to the through groove (11); an oil discharge port (12) is provided on the inner wall of the blocking groove (9); a second oil guide pipe (13) is provided in communication with the oil discharge port (12); an oil discharge groove (14) is provided in the support platform (2); an end of the second oil guide pipe (13) is slidably arranged in the oil discharge groove (14); The workbench (1) is provided with a movable groove (15), a movable seat (16) is elastically connected in the movable groove (15), the support platform (2) is fixed on the movable seat (16), a second driving groove (17) is provided in the workbench (1), a second piston plate (18) is slidably arranged in the second driving groove (17), a push rod (19) is fixed on the second piston plate (18), a first convex plate (20) is fixed on the movable seat (16), an end of the push rod (19) is fixed on the first convex plate (20), an oil delivery pipe (21) is arranged on one side of the oil drain groove (14), and the other end of the oil delivery pipe (21) is arranged in communication with the second driving groove (17); A first spring groove (22) is provided inside the workbench (1), a third spring (23) is fixed on the inner wall of the first spring groove (22), a second convex plate (24) is fixed on the movable seat (16), an end of the third spring (23) is fixed on the second convex plate (24), and a groove (25) for accommodating the oil delivery pipe (21) is provided on the workbench (1).

2. The self-adjusting resistance balancer and valve integrated device according to claim 1, characterized in that: The tensioning ring (6) comprises two groups of clamping plates (61) and two groups of slide plates (62). The two groups of clamping plates (61) are respectively fixed on the two groups of side plates (3). The ends of the two groups of slide plates (62) are fixed with slide blocks (63). The inner sides of the two groups of clamping plates (61) are provided with first slide grooves (64) for the slide blocks (63) to slide.

3. The self-adjusting resistance balancer and valve integrated device according to claim 2, characterized in that: A guide block (65) is fixed on the top of the sliding block (63), a limiting protrusion (66) is fixed on the guide block (65), and a limiting groove (67) for the limiting protrusion (66) to slide is formed at the bottom of the first sliding groove (64).

4. The self-adjusting resistance balancer and valve integrated device according to claim 3, characterized in that: A vent hole (79) is provided on one side of the support platform (2); a No. 1 spring (710) is fixed to the inner wall of the first driving groove (75); the other end of the No. 1 spring (710) is fixed to the first piston plate (76); and a No. 2 spring (711) is fixed between the first piston plate (76) and the slide seat (77).

5. The self-adjusting resistance balancer and valve integrated device according to claim 4, characterized in that: A slot (26) is provided at the bottom of the blocking block (10), an insert rod (27) for inserting into the slot (26) is elastically connected inside the sliding seat (77), a second sliding groove (28) for the insert rod (27) to slide is provided inside the support platform (2), a first interference block (29) is fixed in the second sliding groove (28), and a second interference block (30) for interfering with the first interference block (29) is fixed on the insert rod (27).

6. The self-adjusting resistance balancer and valve integrated device according to claim 5, characterized in that: The slide seat (77) is provided with a lifting groove (31) for the insertion rod (27) to slide, and a second spring groove (32) is provided on one side of the lifting groove (31). A No. 4 spring (33) is fixed in the second spring groove (32). A lifting plate (34) is fixed on the insertion rod (27). The lifting plate (34) is slidably arranged in the second spring groove (32), and the end of the No. 4 spring (33) is fixedly connected to the lifting plate (34).

7. The self-adjusting resistance balancer and valve integrated device according to claim 6, characterized in that: The bottom of the blocking block (10) is provided with a first inclined surface (35), and the top of the insertion rod (27) is provided with a second inclined surface (36).

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