CN221033748U - Adjusting device for maintaining normal liquid volume of independent hydraulic buffer - Google Patents
Adjusting device for maintaining normal liquid volume of independent hydraulic buffer Download PDFInfo
- Publication number
- CN221033748U CN221033748U CN202323153087.XU CN202323153087U CN221033748U CN 221033748 U CN221033748 U CN 221033748U CN 202323153087 U CN202323153087 U CN 202323153087U CN 221033748 U CN221033748 U CN 221033748U
- Authority
- CN
- China
- Prior art keywords
- cylinder body
- hydraulic buffer
- gland
- compensation
- floating piston
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 239000007788 liquid Substances 0.000 title claims abstract description 35
- 210000004907 gland Anatomy 0.000 claims abstract description 19
- 239000012530 fluid Substances 0.000 claims abstract 3
- 238000007789 sealing Methods 0.000 claims description 36
- 238000009434 installation Methods 0.000 claims 1
- 238000002347 injection Methods 0.000 description 6
- 239000007924 injection Substances 0.000 description 6
- 238000010586 diagram Methods 0.000 description 3
- 230000001105 regulatory effect Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000009182 swimming Effects 0.000 description 1
Landscapes
- Fluid-Damping Devices (AREA)
Abstract
The utility model belongs to the technical field of hydraulic machinery, and discloses an adjusting device for maintaining the normal liquid volume of an independent hydraulic buffer, which is characterized by comprising a compensation cylinder body (1), a floating piston (2), a compensation spring (3) and a gland (4); the compensating cylinder body (1) is fixedly arranged at the tail end of the hydraulic buffer cylinder body, the gland (4) is fixed at the tail end of the compensating cylinder body (1), and a floating piston (2) is arranged between the compensating cylinder body and the gland; a compensation spring (3) is arranged between the floating piston (2) and the gland (4); an axial liquid flowing hole is formed in the compensation cylinder body (1); the fluid hole communicates the inner cavity of the compensation cylinder body (1) with the inner cavity of the buffer; the compensating cylinder body (1), the floating piston (2) and the gland (4) are all sleeved on the piston rod of the hydraulic buffer. The hydraulic buffer can automatically adjust the volume of the liquid in the hydraulic buffer to be normal, and has a relatively simple structure and is easy to realize.
Description
Technical Field
The utility model belongs to the technical field of hydraulic machinery, and particularly relates to an adjusting device for maintaining the normal liquid volume of an independent hydraulic buffer.
Background
The operational performance of the hydraulic buffer device can affect the reliability of the operation of the hydraulic system in the machine. When the independent hydraulic buffer works, part of kinetic energy is absorbed and consumed by the independent hydraulic buffer to be converted into liquid heat energy, the liquid temperature is caused to rise, the liquid temperature rise can cause the volume expansion of the liquid, the size of hydraulic resistance of the buffer is further influenced, and the sealing performance of the sealing element and the overall performance of the buffer directly influence the working reliability of the mechanical device.
Disclosure of utility model
The technical problems to be solved by the utility model are as follows: the hydraulic buffer has the problem that the working performance of the hydraulic buffer is affected after the volume of the buffer liquid changes due to temperature change and other reasons.
In order to solve the technical problems, the specific technical scheme of the utility model is as follows:
An adjusting device for maintaining the normal liquid volume of an independent hydraulic buffer comprises a compensation cylinder body 1, a swimming piston 2, a compensation spring 3 and a gland 4; the compensating cylinder body 1 is fixedly arranged at the tail end of the hydraulic buffer cylinder body, the gland 4 is fixed at the tail end of the compensating cylinder body 1, and the floating piston 2 is arranged between the compensating cylinder body and the gland; a compensation spring 3 is arranged between the floating piston 2 and the gland 4; an axial liquid flowing hole is formed in the compensation cylinder body 1; the liquid flowing hole communicates the inner cavity of the compensation cylinder body 1 with the inner cavity of the buffer; the compensating cylinder body 1, the floating piston 2 and the gland 4 are all sleeved on a piston rod of the hydraulic buffer.
Wherein, the middle of the floating piston 2 is provided with a mounting groove of the step sealing ring 11, and the outer side is provided with a groove for mounting the second o-shaped sealing ring 10.
Wherein, the middle of the compensation cylinder body 1 is provided with a mounting groove of a step sealing ring 11; the outside is provided with a groove for mounting a first o-ring 9 sealed with the buffer cylinder.
Wherein, the floating piston 2 is provided with an axial adjusting hole.
The utility model has the following advantages: the hydraulic buffer can automatically adjust the volume of the liquid in the hydraulic buffer to be normal, and has relatively simple structure and easy realization.
Drawings
Fig. 1 is a schematic view of the overall structure of the adjusting device.
Fig. 2 is a schematic diagram of the structure of the compensating cylinder.
Fig. 3 is a schematic view of a floating piston structure.
Fig. 4 is a schematic diagram of the structure of the compensation spring.
Fig. 5 is a schematic diagram of a gland structure.
Fig. 6 is a schematic view of the gasket structure.
Fig. 7 is a schematic view of a seal screw structure.
Fig. 8 is a schematic view of a piston gasket structure.
Fig. 9 is a schematic view of a piston seal screw configuration.
Detailed Description
The present utility model will be described in further detail with reference to the accompanying drawings for a better understanding of the objects, structures and functions of the present utility model.
As shown in fig. 1, the adjusting device for maintaining the normal liquid volume of the independent hydraulic buffer comprises a compensation cylinder body 1, a floating piston 2, a compensation spring 3, a gland 4, a sealing gasket 5, a sealing screw 6, a piston sealing gasket 7, a piston sealing screw 8, a first o-shaped sealing ring 9, a second o-shaped sealing ring 10 and a stepped sealing ring 11.
The compensation cylinder body 1 is arranged at the tail end of the hydraulic buffer cylinder body, the tail end of the compensation cylinder body is provided with a traveling piston 2, and the tail end of the traveling piston 2 is provided with a gland 4. The inner wall of the compensation cylinder body 1 is provided with a groove, the compensation cylinder body 1 is provided with a liquid flowing hole, and the liquid flowing hole is communicated with the groove and the C cavity.
The compensation cylinder body 1, the floating piston 2 and the gland 4 are all sleeved on a piston rod of the hydraulic buffer; the piston rod of the hydraulic buffer is of an internal hollow structure, and is provided with a groove which is used for being matched with the groove on the inner wall of the compensation cylinder body 1.
The cavity between the front end of the hydraulic buffer cylinder body and the compensation cylinder body 1 and the hydraulic buffer piston is a cavity B; the cavity between the rear ends of the hydraulic buffer cylinder body and the compensation cylinder body 1 and the floating piston 2 is a C cavity.
Wherein, the middle of the compensation cylinder body 1 is provided with a mounting groove of the step sealing ring 11; the outside is provided with an o-shaped sealing ring 9 groove which is sealed with the buffer cylinder body; the screw thread is connected with the cylinder body; the liquid quantity adjusting holes of the cavity B and the cavity C are arranged; providing space for the traveling piston to move;
A mounting groove of a stepped sealing ring 11 is formed in the middle of the floating piston 2; the outside is provided with a groove of a second o-shaped sealing ring 10 sealed with the compensation cylinder body 1; the mounting position of the compensation spring is reserved at the outer step; the C cavity is provided with an exhaust liquid injection hole;
The two end surfaces of the compensation spring 3 are matched with the steps of the floating piston 2 and the end cover 4 to provide pretightening force and liquid amount backflow power;
The end cover 4 is internally provided with a compensation spring 3, and a bolt hole which is arranged with the buffer cylinder body is reserved on the outer end surface;
The sealing gasket 5 is used for sealing the exhaust liquid injection hole of the compensation cylinder body 1, and the concave surface of the sealing gasket faces the exhaust liquid injection hole;
The sealing screw 6 extrudes the sealing gasket 5 to deform, so that no leakage of the exhaust liquid injection hole on the compensation cylinder body 1 is ensured;
The piston sealing gasket 7 is used for sealing an exhaust liquid injection hole of the traveling piston 2, and the concave surface of the piston sealing gasket is installed towards the exhaust liquid injection hole;
And the piston sealing screw 8 presses the piston sealing gasket 7 to deform, so that the cavity C keeps sealed and liquid-tight.
The working process comprises the following steps:
1. The step sealing ring 11 and the first o-shaped sealing ring 9 are arranged on the compensation cylinder body 1 in the correct direction, and the compensation cylinder body 1 is connected with the buffer cylinder body through threads;
2. After the liquid amount of the cavity B reaches a specified value, a sealing gasket 5 is placed, and a sealing screw 6 is screwed;
3. Ensuring that the liquid quantity of the C cavity reaches a specified value, installing a step sealing ring 11 and an o-shaped sealing ring on the floating piston 2 according to the correct direction, and installing the floating piston 2 in the inner cavity of the compensation cylinder body 1;
4. A piston sealing gasket 7 is placed, and a piston sealing screw 8 is screwed down;
5. Installing a compensation spring 3, and fastening a connecting screw with the buffer cylinder body through an end cover 4;
6. When the buffer works, the temperature is increased, redundant liquid in the cavity B flows to the cavity C through the regulating hole, the floating piston 2 is pushed to move backwards to compress the compensation spring 3, the volume is reduced after the liquid is cooled, the compensation spring 3 stretches, the floating piston 2 moves forwards, and the liquid is forced to flow back to the cavity B from the cavity C through the regulating hole, so that the buffer can work normally under various different combat conditions.
Although embodiments of the present utility model have been described in conjunction with the accompanying drawings, it will be apparent to those skilled in the art that several variations and modifications may be made without departing from the principles of the utility model, which are also considered to be within the scope of the utility model.
Claims (4)
1. An adjusting device for maintaining the normal liquid volume of an independent hydraulic buffer is characterized by comprising a compensation cylinder body (1), a floating piston (2), a compensation spring (3) and a gland (4); the compensating cylinder body (1) is fixedly arranged at the tail end of the hydraulic buffer cylinder body, the gland (4) is fixed at the tail end of the compensating cylinder body (1), and a floating piston (2) is arranged between the compensating cylinder body and the gland; a compensation spring (3) is arranged between the floating piston (2) and the gland (4); an axial liquid flowing hole is formed in the compensation cylinder body (1); the fluid hole communicates the inner cavity of the compensation cylinder body (1) with the inner cavity of the buffer; the compensating cylinder body (1), the floating piston (2) and the gland (4) are all sleeved on the piston rod of the hydraulic buffer.
2. The device for maintaining a proper liquid volume of a free standing hydraulic buffer of claim 1 wherein the floating piston has a stepped seal ring mounting groove in the middle and a second o-ring mounting groove on the outer side.
3. The adjusting device for maintaining the normal liquid volume of the independent hydraulic buffer according to claim 1, wherein a mounting groove of a stepped sealing ring is arranged in the middle of the compensation cylinder; the outside is equipped with the groove of the sealed first o type sealing washer of installation and buffer barrel.
4. An adjustment device for maintaining a proper fluid volume of a free standing hydraulic buffer according to claim 1 wherein the traveling piston is provided with an axial adjustment orifice.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323153087.XU CN221033748U (en) | 2023-11-22 | 2023-11-22 | Adjusting device for maintaining normal liquid volume of independent hydraulic buffer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323153087.XU CN221033748U (en) | 2023-11-22 | 2023-11-22 | Adjusting device for maintaining normal liquid volume of independent hydraulic buffer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221033748U true CN221033748U (en) | 2024-05-28 |
Family
ID=91189664
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202323153087.XU Active CN221033748U (en) | 2023-11-22 | 2023-11-22 | Adjusting device for maintaining normal liquid volume of independent hydraulic buffer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221033748U (en) |
-
2023
- 2023-11-22 CN CN202323153087.XU patent/CN221033748U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110608208A (en) | Buffering formula energy storage ware | |
| CN221033748U (en) | Adjusting device for maintaining normal liquid volume of independent hydraulic buffer | |
| CN115949693A (en) | Impeller energy-feedback type damping rod | |
| CN201925398U (en) | Large-stroke double-piston-rod viscous damper with elastic axial limit function | |
| CN218440012U (en) | Telescopic rotary hydraulic cylinder | |
| CN213870535U (en) | Hydraulic cylinder capable of accurately controlling buffering performance | |
| CN217815197U (en) | Controller seal structure | |
| CN110594218B (en) | Expansion valve core, hydraulic lock structure with expansion valve core and sealing method of hydraulic lock structure | |
| CN210769627U (en) | Single-rod piston type hydraulic cylinder | |
| CN210289909U (en) | Thermostat with opposite design structure for engine cooling system | |
| CN209838882U (en) | Expansion and shock-absorption bolt device of cylinder block | |
| CN111946685A (en) | Structure of direct-acting overload oil replenishing valve | |
| CN221053939U (en) | Self-adjusting thrust structure of high-lift shielding pump | |
| CN202349210U (en) | Ultrahigh-pressure hydraulic cylinder with sealing clearance-adjusting structure | |
| CN220910449U (en) | Non-deformable's mechanical seal subassembly | |
| CN219796155U (en) | Electric regulating valve | |
| CN221800229U (en) | Gap flow throttle valve buffered by hydraulic cylinder | |
| CN217783914U (en) | Full-stroke locking hydraulic oil cylinder | |
| CN221610318U (en) | Oil cylinder | |
| CN219969650U (en) | Hydraulic power-assisted brake master cylinder with high sealing performance | |
| CN216279478U (en) | Thin type shearing valve | |
| CN217401540U (en) | Hydraulic damper | |
| CN110966277A (en) | Overflow valve | |
| CN220227354U (en) | Novel oil leakage prevention oil cylinder | |
| CN220688311U (en) | Multiple sealing valve for supercritical power station |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |