Hydraulic valve debugging table

By introducing buffering and sealing devices into the hydraulic valve test bench, the problem of the hydraulic cylinder's inability to buffer when the force rod moves is solved, achieving the protection and sealing effect of the cylinder body, and improving maintenance efficiency and device reliability.

CN223908536UActive Publication Date: 2026-02-13NINGBO CHUANGLI HYDRAULIC TECH ENG CO LTD
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Patent Information

Application Number
CN202521224617.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-06-16
Publication Date
2026-02-13
Estimated Expiration
2035-06-16

AI Technical Summary

Technical Problem

The existing hydraulic cylinder cannot achieve a buffering effect when the force rod moves, which means that the cylinder bottom needs to be repaired after multiple uses, affecting maintenance efficiency and reducing the buffering strength.

Method used

Design a hydraulic valve test bench, including a buffer device and a sealing device. The buffer device achieves piston buffering through the cooperation of a support column, a groove, an elastic ball, a squeezing column, a connecting column, a rotating rod, a force-bearing column, a torsion spring, and a buffer spring. The sealing device achieves the sealing effect through the cooperation of a sealing ring, a sliding groove, a slider, a support rod, a clamping plate, a through groove, bolts, nuts, and a return spring.

Benefits of technology

It effectively reduces the impact force on the hydraulic cylinder, protects the cylinder body, prevents cylinder damage, improves maintenance efficiency, and ensures sealing to prevent oil leakage.

✦ Generated by Eureka AI based on patent content.

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  • Figure CN223908536U_ABST
    Figure CN223908536U_ABST
Patent Text Reader

Abstract

According to the hydraulic valve debugging table, a supporting frame is fixedly connected to the top of a device body, when the hydraulic valve debugging table is used, a worker can start a hydraulic cylinder to drive a hydraulic rod to conduct hydraulic pressure, and operation of the hydraulic valve debugging table is facilitated. Through the arrangement of a buffer device and the cooperation of a supporting column, a notch, an elastic ball, an extrusion column, a connecting column, a rotating rod, a stress column, a torsional spring and a buffer spring, the extrusion column can extrude the elastic ball when being extruded, so that the effect of buffering a piston is achieved, the oil cylinder is prevented from being greatly impacted, and the effect of protecting the oil cylinder is achieved. Through the arrangement of the sealing device and the cooperation of the sealing ring, the fixing plate, the sliding groove, the sliding block, the supporting rod, the clamping plate, the through groove, the bolt, the nut and the reset spring, the clamping plate can be rotated and tightened through the bolt and the nut when the clamping plate clamps the sealing ring, and therefore the sealing ring can be better clamped by the clamping plate.
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Description

TECHNICAL FIELD

[0001] The utility model belongs to hydraulic valve technical field, concretely relates to a hydraulic valve debugging platform. BACKGROUND

[0002] Hydraulic valve is a kind of automation component operated by pressure oil, it is controlled by pressure oil of pressure regulating valve, usually combined with electromagnetic pressure regulating valve, can be used for the on-off of remote control of hydropower station oil, gas, water pipeline system, but hydraulic valve debugging platform still has many defects in actual use, for example: the device is inconvenient to adjust, in addition, the device is inconvenient to operate, so a hydraulic valve debugging platform needs to be designed.

[0003] Hydraulic cylinder is telescopic linear actuator, and its output force is proportional to the effective area of piston and the pressure difference of both sides, hydraulic cylinder is the hydraulic execution element that converts hydraulic energy into mechanical energy, does linear reciprocating motion (or swing motion), it is simple in structure, reliable in work, when being used to realize reciprocating motion, can avoid speed reducer, and there is no transmission gap, and movement is stable, so it is widely used in various mechanical hydraulic systems, hydraulic cylinder is safe and reliable, suitable for underwater, single action, load retraction, self-locking nut, makes load safer, hydraulic cylinder is designed with safety pressure maintaining device, built-in pressure relief valve, avoids overload, thereby protecting the safe operation of self-locking hydraulic jack, the end of hydraulic cylinder is usually connected with object, so that it is more flexible during operation, and small hydraulic cylinder usually uses buffer structure to eliminate impact force when encountering heavy pressure or resetting, but the common hydraulic cylinder with buffering function on the market usually needs to repair cylinder body when temporarily replacing or repairing, but the cylinder body bottom is more laborious to disassemble, affects the maintenance efficiency, and the buffer structure is an elastic component, and the elasticity will decrease after multiple uses, affects the buffering strength, and replacement is not convenient enough.

[0004] However, the current hydraulic cylinder has the following problems: the above-mentioned application cannot achieve the buffering effect when the force bar moves, resulting in the need to repair the cylinder bottom after multiple uses. Utility model content

[0005] The utility model aims at providing a kind of hydraulic valve debugging platform, can solve the problems presented in the above background technology.

[0006] The technical scheme adopted by the utility model is as follows:

[0007] A hydraulic valve debugging platform, including device body and hydraulic cylinder, the device body top fixed connection has the motor, the device body top fixed connection has the support frame, the support frame top fixed connection the hydraulic cylinder, the device body top fixed connection has the adjusting plate, the device body bottom fixed connection has the bearing plate, the device body one end swing joint has the hatch, the device body one side fixed connection has the guard board, the device body one end fixed connection has the operation platform;

[0008] The hydraulic cylinder includes a cylinder body, the top of the cylinder body is fixedly connected with a hydraulic cover, the bottom of the cylinder body is fixedly connected with a base, a force receiving rod is slidably connected through the inner wall of the hydraulic cover, the bottom of the force receiving rod is fixedly connected with a piston, and a buffer device is arranged in the cylinder body; the buffer device includes a supporting column, the bottom of the supporting column is fixedly connected to the top of the base, a notch is formed in the inner wall of the supporting column, an elastic ball is arranged in the notch, an extrusion column is slidably connected to the inner wall of the notch, the bottom of the piston is fixedly connected with a connecting column, the circumferential surface of the connecting column is rotatably connected with a rotating rod, the top of the extrusion column is fixedly connected with a force receiving column, and the end of the rotating rod away from the connecting column is rotatably connected to the circumferential surface of the force receiving column.

[0009] In one embodiment, the circumferential surface of the force receiving column is fixedly connected with a torsion spring, the end of the torsion spring away from the force receiving column is fixedly connected to the top of the rotating rod, and the torsion spring functions to apply resistance to the movement of the force receiving rod through torsion.

[0010] In one embodiment, the bottom of the hydraulic cover is fixedly connected with a buffer spring, the end of the buffer spring away from the hydraulic cover is fixedly connected to the top of the piston, and the buffer spring functions to reduce the impact force of the piston.

[0011] In one embodiment, the number of connecting columns, rotating rods and buffer springs is two respectively, and they are mutually symmetrical along the vertical central axis of the cylinder body, and the connecting column functions to provide support force for the rotating rod.

[0012] In one embodiment, the inner wall of the cylinder body is provided with a sealing device, the sealing device includes a sealing ring arranged on the outer surface of the force receiving rod, a sliding groove is formed in the top of the hydraulic cover, a sliding block is slidably connected to the inner wall of the sliding groove, a supporting rod is fixedly connected to the side surface of the sliding block, and the top of the supporting rod is fixedly connected with a clamping plate.

[0013] In one embodiment, a through groove is formed in the side surface of the clamping plate, a bolt is threadedly connected to the inner wall of the through groove, the circumferential surface of the bolt is threadedly connected with a nut, and the bolt and the nut function to better seal the sealing ring.

[0014] In one of the embodiments, the inner wall of the sliding groove is fixedly connected with a reset spring, one end of the reset spring away from the sliding groove is fixedly connected with the side of the sliding block, and the reset spring is used for resetting when the clamping plate is loosened.

[0015] In one of the embodiments, the number of the sliding grooves, sliding blocks, supporting rods and reset springs is two, and they are symmetrically arranged along the vertical central axis of the force rod, the clamping plate is in an arc shape, and the clamping plate is used for better sealing of the sealing ring.

[0016] The above technical scheme has the following advantages or beneficial effects:

[0017] The hydraulic valve debugging platform has the advantages that when the device is used, the staff can drive the hydraulic cylinder to drive the hydraulic rod to perform hydraulic pressure, so that the device is convenient to operate. The buffering device, the supporting column, the notched opening, the elastic ball, the extrusion column, the connecting column, the rotating rod, the force column, the torsional spring and the buffer spring are matched, so that the elastic ball is extruded when the extrusion column is extruded, thereby achieving the buffering effect of the piston, preventing the oil cylinder from being impacted, and achieving the effect of protecting the oil cylinder. The sealing device, the sealing ring, the fixed plate, the sliding groove, the sliding block, the supporting rod, the clamping plate, the through slot, the bolt, the nut and the reset spring are matched, so that the clamping plate can be rotated and tightened by the bolt and the nut when the clamping plate clamps the sealing ring, so that the clamping plate better clamps the sealing ring. BRIEF DESCRIPTION OF DRAWINGS

[0018] In order to more clearly illustrate the technical scheme in the embodiments of the present application or the prior art, the following will describe the drawings needed to be used in the embodiments or the prior art description. Obviously, the technical scheme described in the description in combination with the drawings is only some embodiments of the present application, and for those skilled in the art, other embodiments and drawings can be obtained without creative labor.

[0019] Figure 1 is a structural schematic view of a hydraulic valve debugging platform of the present application;

[0020] Figure 2 is a structural schematic view of a hydraulic cylinder of the present application;

[0021] Figure 3 is a structural schematic view of a buffering device of the present application;

[0022] Figure 4 is a structural schematic view of a sealing device of the present application;

[0023] Figure 5The utility model discloses Figure 3 The structural schematic diagram of the middle A place.

[0024] Figure 6 The utility model discloses Figure 4 The structural schematic diagram of the middle B place. Specific embodiment

[0025] In order to make the utility model's purpose and advantage more clear and obvious, the following is with example to the utility model carries out specific explanation. It is understood that the following text is only used to describe one or several specific implementation modes of the utility model, and does not strictly limit the protection scope of the utility model specifically requested.

[0026] As Figures 1-6 Indicated,

[0027] A hydraulic valve debugging platform, including device main body 8 and hydraulic cylinder, device main body 8 top fixedly connected with motor, device main body 8 top fixedly connected with support frame 9, support frame 9 top fixedly connected with hydraulic cylinder, device main body 8 top fixedly connected with adjusting plate 86, device main body 8 bottom fixedly connected with bearing plate 82, device main body 8 one end swingly connected with hatch 83, device main body 8 one side fixedly connected with guard plate 84, device main body 8 one end fixedly connected with operation table 85;

[0028] The hydraulic cylinder includes cylinder body 1, the top of the cylinder body 1 is fixedly connected with hydraulic cover 2, the bottom of the cylinder body 1 is fixedly connected with base 3, the inner wall of the hydraulic cover 2 is slidably penetrated by force rod 4, the bottom of the force rod 4 is fixedly connected with piston 5, the inside of the cylinder body 1 is provided with buffer device 6;Buffer device 6 includes support column 61, the bottom of the support column 61 is fixedly connected at the top of base 3, the inner wall of the support column 61 is provided with slot 62, the inside of the slot 62 is provided with elastic ball 63, the inner wall of the slot 62 is slidably connected with extrusion column 64, the bottom of the piston 5 is fixedly connected with connecting column 65, the circumferential surface of connecting column 65 is rotatably connected with rotating rod 66, the top of extrusion column 64 is fixedly connected with force column 67, the end, away from connecting column 65 of rotating rod 66, is rotatably connected at the circumferential surface of force column 67.

[0029] The circumferential surface of force column 67 is fixedly connected with torsion spring 68, the end, away from force column 67 of torsion spring 68, is fixedly connected at the top of rotating rod 66, and the action of torsion spring 68 is to apply resistance to force rod 4 when moving through torsion force;

[0030] The bottom of hydraulic cover 2 is fixedly connected with buffer spring 69, the end, away from hydraulic cover 2 of buffer spring 69, is fixedly connected at the top of piston 5, and the action of buffer spring 69 is to reduce the impact force of piston 5.

[0031] The number of connecting columns 65, rotating rods 66 and buffer springs 69 is two respectively, and they are symmetrical to each other along the vertical central axis of the cylinder body 1. The connecting column 65 is used to provide support force for the rotating rod 66.

[0032] According to the above structure, first, when the hydraulic cylinder is used, the impact force on the cylinder body 1 can be reduced by the buffer device 6. When the force rod 4 moves downward, the piston 5 will move downward, and when the piston 5 moves downward, the buffer spring 69 will be stretched due to the downward movement of the piston 5, so as to slow down the movement speed of the force rod 4, so as to reduce the impact force on the cylinder body 1. At the same time, when the piston 5 moves downward, the rotating rod 66 will rotate by the connecting column 65 and the force column 67, so that when the rotating rod 66 rotates, the torsional force of the torsional spring 68 will slow down the impact force of the piston 5, so as to achieve the effect of buffering the piston 5, thereby preventing the cylinder body 1 from being impacted too much, and achieving the effect of protecting the cylinder body 1.

[0033] The inner wall of the cylinder body 1 is provided with a sealing device 7, which comprises a sealing ring 71 arranged on the outer surface of the force rod 4. The top of the hydraulic cover 2 is provided with a sliding groove 72, the inner wall of the sliding groove 72 is slidably connected with a sliding block 73, the side surface of the sliding block 73 is fixedly connected with a supporting rod 74, and the top of the supporting rod 74 is fixedly connected with a clamping plate 75.

[0034] The side surface of the clamping plate 75 is provided with a through groove 76, the inner wall of the through groove 76 is threadedly connected with a bolt 77, the circumferential surface of the bolt 77 is threadedly connected with a nut 78, and the bolt 77 and the nut 78 are used to better seal the sealing ring 71.

[0035] The inner wall of the sliding groove 72 is fixedly connected with a return spring 79, one end of the return spring 79 away from the sliding groove 72 is fixedly connected to the side surface of the sliding block 73, and the return spring 79 is used to reset when the clamping plate 75 is loosened.

[0036] The number of sliding grooves 72, sliding blocks 73, supporting rods 74 and return springs 79 is two, and they are symmetrical to each other along the vertical central axis of the force rod 4. The shape of the clamping plate 75 is arc-shaped, and the clamping plate 75 is used to better seal the sealing ring 71.

[0037] According to the structure, when the gap between the hydraulic cover 2 and the force bar 4 needs to be sealed, the sealing device 7 can be used, the sliding block 73 moves in the sliding groove 72, when the sliding block 73 moves, the clamping plate 75 is driven to move through the supporting rod 74, when the clamping plate 75 moves, the sealing ring 71 is contacted, so that the sealing ring 71 is clamped, when the clamping plate 75 clamps the sealing ring 71, the clamping plate 75 can be fixed through the bolt 77 and the nut 78, the two clamping plates 75 are fixed through the nut 78 screwed on the bolt 77, so that the clamping plate 75 can better clamp the sealing ring 71, thereby preventing oil leakage.

[0038] To sum up, the hydraulic valve debugging table of the utility model can be operated conveniently through the support frame fixedly connected to the top of the device main body and the hydraulic cylinder driven by the hydraulic rod when the device is used. The buffer device, the support column, the notch, the elastic ball, the extrusion column, the connecting column, the rotating rod, the stress column, the torsional spring and the buffer spring are matched, so that the elastic ball is extruded when the extrusion column is extruded, thereby achieving the buffering effect of the piston, preventing the oil cylinder from being impacted, and achieving the effect of protecting the oil cylinder. The sealing device, the sealing ring, the fixed plate, the sliding groove, the sliding block, the supporting rod, the clamping plate, the through slot, the bolt, the nut and the return spring are matched, so that the clamping plate can be screwed through the bolt and the nut when the clamping plate clamps the sealing ring, thereby achieving the effect of better clamping the sealing ring.

[0039] The above is only the preferred embodiment of the utility model, and it should be pointed out that for ordinary skilled persons in the art, without departing from the principle of the utility model, some improvements and refinements can be made, and these improvements and refinements should be regarded as the protection range of the utility model. The structures, devices and operation methods not specifically described and explained in the utility model are implemented according to the conventional means in the art, unless otherwise specified and limited.

Claims

1. A hydraulic valve bench, characterized by: Including device body (8) and hydraulic cylinder, the top of device body (8) is fixedly connected with motor, the top of device body (8) is fixedly connected with support frame (9), the top of support frame (9) is fixedly connected with the hydraulic cylinder, the top of device body (8) is fixedly connected with adjusting plate (86), the bottom of device body (8) is fixedly connected with bearing plate (82), one end of device body (8) is movably connected with hatch (83), one side of device body (8) is fixedly connected with guard plate (84), one end of device body (8) is fixedly connected with operation table (85); The hydraulic cylinder includes cylinder body (1), the top of cylinder body (1) is fixedly connected with hydraulic cover (2), the bottom of cylinder body (1) is fixedly connected with base (3), the inner wall of hydraulic cover (2) is slidably penetrated by stress rod (4), the bottom of stress rod (4) is fixedly connected with piston (5), the inside of cylinder body (1) is provided with buffer device (6);The bottom of support column (61) is fixedly connected on the top of base (3), the inner wall of support column (61) is provided with notch (62), the inside of notch (62) is provided with elastic ball (63), the inner wall of notch (62) is slidably connected with extrusion column (64), the bottom of piston (5) is fixedly connected with connecting column (65), the circumferential surface of connecting column (65) is rotatably connected with rotating rod (66), the top of extrusion column (64) is fixedly connected with stress column (67), the end, away from connecting column (65), of rotating rod (66) is rotatably connected on the circumferential surface of stress column (67).

2. A hydraulic valve bench according to claim 1, characterized in that: The circumferential surface of stress column (67) is fixedly connected with torsion spring (68), the end, away from stress column (67), of torsion spring (68) is fixedly connected on the top of rotating rod (66).

3. A hydraulic valve bench as claimed in claim 1, characterized in that: The bottom of hydraulic cover (2) is fixedly connected with buffer spring (69), the end, away from hydraulic cover (2), of buffer spring (69) is fixedly connected on the top of piston (5).

4. The hydraulic valve bench of claim 1, wherein: The number of connecting column (65), rotating rod (66) and buffer spring (69) is respectively two, and they are mutually symmetrical along the vertical central axis of cylinder body (1).

5. The hydraulic valve bench of claim 1, wherein: The inner wall of cylinder body (1) is provided with sealing device (7), the sealing device (7) includes sealing ring (71), the sealing ring (71) is arranged on the outer surface of stress rod (4), the top of hydraulic cover (2) is provided with sliding groove (72), the inner wall of sliding groove (72) is slidably connected with sliding block (73), the side of sliding block (73) is fixedly connected with support rod (74), the top of support rod (74) is fixedly connected with clamping plate (75).

6. A hydraulic valve bench as claimed in claim 5, characterized in that: The side of clamping plate (75) is provided with through slot (76), the inner wall of through slot (76) is threadedly connected with bolt (77), the circumferential surface of bolt (77) is threadedly connected with nut (78).

7. A hydraulic valve bench as claimed in claim 5, characterized in that: The inner wall of the sliding groove (72) is fixedly connected with a reset spring (79), one end of the reset spring (79) away from the sliding groove (72) is fixedly connected to the side of the sliding block (73).

8. A hydraulic valve bench as defined in claim 5, characterized in that: The number of the sliding groove (72), the sliding block (73), the supporting rod (74) and the reset spring (79) is two, and they are mutually symmetrical along the vertical central axis of the force bar (4), and the shape of the clamping plate (75) is arranged as an arc.