CN220286282U - Hydraulic damper - Google Patents
Hydraulic damper Download PDFInfo
- Publication number
- CN220286282U CN220286282U CN202223486354.0U CN202223486354U CN220286282U CN 220286282 U CN220286282 U CN 220286282U CN 202223486354 U CN202223486354 U CN 202223486354U CN 220286282 U CN220286282 U CN 220286282U
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- China
- Prior art keywords
- cylinder body
- cover body
- damping cylinder
- damping
- side outer
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- 238000013016 damping Methods 0.000 claims abstract description 52
- 238000007789 sealing Methods 0.000 claims abstract description 10
- 239000007788 liquid Substances 0.000 claims description 10
- 239000000498 cooling water Substances 0.000 claims description 4
- 230000001502 supplementing effect Effects 0.000 claims description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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- Fluid-Damping Devices (AREA)
Abstract
The utility model discloses a hydraulic damper, which comprises a first oil cylinder earring, wherein a piston rod is arranged on one side outer surface of the first oil cylinder earring, a damping cylinder body is arranged on the outer wall of the piston rod, a sealing ring is arranged on one side outer surface of the damping cylinder body, end covers are arranged at two ends of the damping cylinder body, a screw is arranged on the outer wall of the end cover, a cover body is arranged on one side outer surface of the end cover, an observation window and a quick connector are arranged on the outer wall of the cover body, a tension pressure sensor is arranged on one side outer surface of the cover body, and a second oil cylinder earring is arranged on one side outer surface of the tension pressure sensor. The area of the damping hole is adjusted to further adjust the damping force required by the loading test, and secondly, the area of the damping hole is adjusted to further adjust the damping force required by the loading test.
Description
Technical Field
The utility model relates to the field of hydraulic loading, in particular to a hydraulic damper.
Background
At present, the common buffer damping has the buffer modes of gas spring buffer, mechanical spring buffer, electric cylinder and the like, but the working reliability is relatively low, the force control capability is limited, only the buffer with fixed resistance can be carried out, and the practical loading test mechanism has certain limitation in application. And the reliability of the mechanical structure is relatively low, and the spring mechanism with the main function is easy to fatigue under the test condition of high-frequency loading, so that the test error and instability are caused.
Therefore, it is necessary to provide a hydraulic damper to solve the above problems.
Disclosure of Invention
The utility model mainly aims to provide a hydraulic damper which can effectively solve the problems in the background technology.
In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:
the utility model provides a hydraulic damper, includes the hydro-cylinder earring, one side surface of hydro-cylinder earring is provided with the piston rod, the outer wall of piston rod is provided with the damping cylinder body, one side surface of damping cylinder body is provided with the sealing washer, the both ends of damping cylinder body all are provided with the end cover, the outer wall of end cover is provided with the screw, one side surface of end cover is provided with the cover body, the outer wall of the cover body is provided with observation window and quick-operation joint, one side surface of the cover body is provided with draws pressure sensor, one side surface of drawing pressure sensor is provided with the hydro-cylinder earring No. two, the upper end surface of damping cylinder body is provided with switching-over liquid bridge and heat exchange core, the switching-over liquid bridge is located one side of heat exchange core, the upper end surface of switching-over liquid bridge is provided with proportional solenoid valve.
Preferably, the one end surface of hydro-cylinder earring and the one end inner wall threaded connection of piston rod, the other end of piston rod is installed in the inner wall of damping cylinder body, the both ends of damping cylinder body are all through the one end detachable connection of screw and end cover, two sets of seal through the sealing washer between end cover and the damping cylinder body, seal through the sealing washer equally between piston rod and the damping cylinder body, one side surface of end cover and one side surface of cover body are connected through the bolt, the cover body is the cavity device, and inside is for storing supplementary medium, the observation window is used for observing how much of actual supplementary oil medium in the cover body cavity, if the volume is less than the scale of observation window, then carries out the supplementary oil through quick-operation joint, but medium in the cavity can not be higher than the highest scale mark of observation window, the one end and the tension pressure sensor threaded connection of cover body, the one end and the one end threaded connection of No. two hydro-cylinder earrings of tension pressure sensor, the lower extreme of proportional solenoid valve is through reversing liquid bridge with bolted connection on the damping cylinder body, the heat exchange core is integrated on the damping cylinder body, the both sides joint and outside cooling water circulation circuit of heat exchange core are connected with the hydraulic pressure stable structure of the whole hydraulic pressure circuit.
Compared with the prior art, the utility model provides the hydraulic damper which has the following beneficial effects:
the area of the damping hole is adjusted to further adjust the damping force required by the loading test, and secondly, the area of the damping hole is adjusted to further adjust the damping force required by the loading test.
Drawings
Fig. 1 is a schematic diagram of the overall structure of the present utility model.
Fig. 2 is a schematic view of a partial structure of the present utility model.
In the figure: 1. a screw; 2. a reversing liquid bridge; 3. a proportional solenoid valve; 4. a first oil cylinder earring; 5. a piston rod; 6. a damping cylinder; 7. an end cap; 8. a cover body; 9. an observation window; 10. a quick connector; 11. a seal ring; 12. a heat exchange core; 13. a pull pressure sensor; 14. and the second oil cylinder earrings.
Detailed Description
The utility model is further described in connection with the following detailed description, in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the utility model easy to understand.
As shown in fig. 1-2, a hydraulic damper comprises a first oil cylinder ear 4, a piston rod 5 is arranged on one side outer surface of the first oil cylinder ear 4, a damping cylinder body 6 is arranged on the outer wall of the piston rod 5, a sealing ring 11 is arranged on one side outer surface of the damping cylinder body 6, end covers 7 are arranged at two ends of the damping cylinder body 6, a screw 1 is arranged on the outer wall of the end cover 7, a cover body 8 is arranged on one side outer surface of the end cover 7, an observation window 9 and a quick connector 10 are arranged on the outer wall of the cover body 8, a tension pressure sensor 13 is arranged on one side outer surface of the cover body 8, a second oil cylinder ear 14 is arranged on one side outer surface of the tension pressure sensor 13, a reversing liquid bridge 2 and a heat exchange core 12 are arranged on the outer surface of the upper end of the damping cylinder body 6, a proportional electromagnetic valve 3 is arranged on the outer surface of the upper end of the reversing liquid bridge 2, the outer surface of one end of the first oil cylinder earring 4 is in threaded connection with the inner wall of one end of the piston rod 5, the other end of the piston rod 5 is arranged on the inner wall of the damping cylinder body 6, both ends of the damping cylinder body 6 are detachably connected with one end of the end cover 7 through bolts 1, two groups of end covers 7 are sealed with the damping cylinder body 6 through sealing rings 11, the piston rod 5 is also sealed with the damping cylinder body 6 through the sealing rings 11, one outer surface of the end cover 7 is connected with one outer surface of the cover body 8 through bolts, the cover body 8 is a cavity device, the inside is used for storing supplementary media, the observation window 9 is used for observing the quantity of the actual supplementary media in the cavity of the cover body 8, if the quantity is less than the scale of the observation window 9, the quick connector 10 is used for supplementing the oil, but the media in the cavity cannot be higher than the highest scale mark of the observation window 9, one end of the cover body 8 is in threaded connection with the tension pressure sensor 13, one end of the pull pressure sensor 13 is in threaded connection with one end of the second oil cylinder earring 14, the lower end of the proportional electromagnetic valve 3 is connected to the damping cylinder body 6 through the reversing liquid bridge 2 through bolts, the heat exchange core 12 is integrated on the damping cylinder body 6, and two side joints of the heat exchange core 12 are connected with an external cooling water circulator pipeline, so that the integral structure of the hydraulic damper is stable.
Principle of operation
When the hydraulic damper is used, two actuating chambers of the damping cylinder are communicated with A, B ports of the proportional electromagnetic valve, and a given amount of current signal is given to the proportional electromagnetic valve, so that a valve port of the proportional electromagnetic valve generates a corresponding displacement opening. The oil in the two cavities of the damping oil cylinder generates throttling damping when passing through the valve port of the proportional electromagnetic valve, and is fed back to the loading device as damping force; the damping force is output to a tester upper computer acquisition gauge board card by a tension pressure sensor, a given expected value can be further compared, and the current value of the proportional electromagnetic valve is fed back and adjusted, so that the accurate test damping force is achieved; a rectifying liquid bridge loop and a cooling loop are connected in series between two cavities of the damping cylinder and the proportional electromagnetic valve, and the medium passing through the damping valve port passes through the heat exchange core again, and heat generated by damping is taken away by an external cooling water circulating machine through the heat exchange core.
The foregoing has shown and described the basic principles and main features of the present utility model and the advantages of the present utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.
Claims (6)
1. The utility model provides a hydraulic damper, includes cylinder earrings (4), its characterized in that: the novel hydraulic reversing hydraulic pump is characterized in that a piston rod (5) is arranged on one side outer surface of a first oil cylinder earring (4), a damping cylinder body (6) is arranged on the outer wall of the piston rod (5), a sealing ring (11) is arranged on one side outer surface of the damping cylinder body (6), end covers (7) are arranged at two ends of the damping cylinder body (6), screws (1) are arranged on the outer wall of the end covers (7), a cover body (8) is arranged on one side outer surface of the cover body (8), an observation window (9) and a quick connector (10) are arranged on the outer wall of the cover body (8), a tension pressure sensor (13) is arranged on one side outer surface of the cover body (8), a second oil cylinder earring (14) is arranged on one side outer surface of the damping cylinder body (6), a reversing hydraulic bridge (2) and a heat exchange core (12) are arranged on the upper end outer surface of the reversing hydraulic bridge (2) on one side of the heat exchange core (12), and a proportional electromagnetic valve (3) is arranged on the upper end outer surface of the reversing hydraulic bridge (2).
2. A hydraulic damper according to claim 1, wherein: the outer surface of one end of the oil cylinder earring (4) is in threaded connection with the inner wall of one end of the piston rod (5), the other end of the piston rod (5) is mounted on the inner wall of the damping cylinder body (6), two ends of the damping cylinder body (6) are detachably connected with one end of the end cover (7) through screws (1), and two groups of the end covers (7) are sealed with the damping cylinder body (6) through sealing rings (11).
3. A hydraulic damper according to claim 1, wherein: the piston rod (5) and the damping cylinder body (6) are also sealed by a sealing ring (11), one side outer surface of the end cover (7) is connected with one side outer surface of the cover body (8) by bolts, the cover body (8) is a cavity device, and the inside of the cover body is used for storing supplementary media.
4. A hydraulic damper according to claim 1, wherein: the observation window (9) is used for observing the quantity of the actual oil supplementing medium in the cavity of the cover body (8), if the quantity is less than the scale of the observation window (9), oil supplementing is carried out through the quick connector (10), but the medium in the cavity cannot be higher than the highest scale mark of the observation window (9).
5. A hydraulic damper according to claim 1, wherein: one end of the cover body (8) is in threaded connection with a tension pressure sensor (13), and one end of the tension pressure sensor (13) is in threaded connection with one end of a second oil cylinder earring (14).
6. A hydraulic damper according to claim 1, wherein: the lower end of the proportional solenoid valve (3) is connected to the damping cylinder body (6) through a reversing liquid bridge (2) through bolts, the heat exchange core (12) is integrated on the damping cylinder body (6), and two side joints of the heat exchange core (12) are connected with an external cooling water circulator pipeline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223486354.0U CN220286282U (en) | 2023-04-11 | 2023-04-11 | Hydraulic damper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223486354.0U CN220286282U (en) | 2023-04-11 | 2023-04-11 | Hydraulic damper |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220286282U true CN220286282U (en) | 2024-01-02 |
Family
ID=89327843
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223486354.0U Active CN220286282U (en) | 2023-04-11 | 2023-04-11 | Hydraulic damper |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220286282U (en) |
-
2023
- 2023-04-11 CN CN202223486354.0U patent/CN220286282U/en active Active
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