CN219840963U - Protective hydraulic damper - Google Patents
Protective hydraulic damper Download PDFInfo
- Publication number
- CN219840963U CN219840963U CN202320533592.8U CN202320533592U CN219840963U CN 219840963 U CN219840963 U CN 219840963U CN 202320533592 U CN202320533592 U CN 202320533592U CN 219840963 U CN219840963 U CN 219840963U
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- oil pipe
- oil
- pipe
- hydraulic damper
- piston
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- 230000001681 protective effect Effects 0.000 title claims abstract description 28
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000007789 sealing Methods 0.000 abstract description 2
- 239000007788 liquid Substances 0.000 description 6
- 238000010586 diagram Methods 0.000 description 3
- 230000007306 turnover Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
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- Fluid-Damping Devices (AREA)
Abstract
The utility model discloses a protective hydraulic damper which comprises a shell, a piston and a plug rod, wherein the piston is arranged in the shell in a sliding and sealing manner, the plug rod is fixed on the piston, the piston divides a space in the shell into a unique rod cavity and a rodless cavity, the protective hydraulic damper further comprises a first oil pipe, a second oil pipe and an electric switch valve, the first oil pipe and the second oil pipe are both arranged on the shell, the first oil pipe is communicated with the rod cavity, the second oil pipe is communicated with the rodless cavity, and the first oil pipe and the second oil pipe are connected with the electric switch valve. The utility model has the following beneficial effects: the first oil pipe, the second oil pipe and the electric switch valve are arranged between the rod cavity and the rodless cavity, the electric switch valve is used for controlling the on-off of an oil way between the rod cavity and the rodless cavity, the piston is locked or opened through the on-off of the oil way, and the adaptability is stronger.
Description
Technical Field
The utility model relates to the field of photovoltaic tracking equipment, in particular to a protective hydraulic damper.
Background
Patent publication CN212305231U discloses a photovoltaic tracking installation structure, in which a damper is required to be used, but the existing damper adopts the principle of a hydraulic cylinder (the structure can be seen in patent publication CN 1284938C), external force acts on the hydraulic cylinder, the piston of the hydraulic cylinder generates reciprocating motion, and reaction force is generated to the outside, so as to reduce the vibration amplitude of equipment, so that the damper has a problem when in use, namely, the support is used on the photovoltaic tracking support, and the photovoltaic assembly can vibrate due to the influence of environmental wind, so that the vibration problem of the photovoltaic tracking support cannot be fundamentally solved.
Disclosure of Invention
The present utility model addresses the above-described problems by providing a protective hydraulic damper.
The technical scheme adopted by the utility model is as follows:
the utility model provides a protection type hydraulic damper, includes casing, piston and cock stem, piston sliding seal sets up in the casing, the cock stem is fixed in on the piston, the piston is with space separation in the casing become unique pole chamber and rodless chamber, still includes first oil pipe, second oil pipe and electric switch valve, first oil pipe and second oil pipe are all installed on the casing, and first oil pipe is in the state of intercommunication with the pole chamber, and second oil pipe is in the state of intercommunication with the rodless chamber, first oil pipe and second oil pipe with electric switch valve meets.
In this hydraulic damper, the effect of electronic ooff valve is the break-make of the oil circuit between first oil pipe and the second oil pipe, there is pole chamber and no pole intracavity all to have liquid (fluid), when the oil circuit between first oil pipe and the second oil pipe is in the UNICOM state, the piston can be in the casing this moment, the cock stem can business turn over the casing, after the electronic ooff valve closes the oil circuit between first oil pipe and the second oil pipe, the oil circuit between whole first oil pipe and the second oil pipe is in the state of being not lead to, the piston also can't be in the piston this moment, the cock stem also can't business turn over in the piston this moment, this kind of attenuator is in the locked state promptly, so when this kind of attenuator is installed to photovoltaic support system, the whole attenuator can prevent that photovoltaic support from taking place the vibration, good guard action has been played to the attenuator.
To sum up, in the damper, because the first oil pipe, the second oil pipe and the electric switch valve are arranged between the rod cavity and the rodless cavity, the electric switch valve is utilized to control the on-off of the oil path between the rod cavity and the rodless cavity, the locking or the opening of the piston is realized through the on-off of the oil path, and the adaptability is stronger.
Optionally, the device further comprises an expansion pipe, wherein the expansion pipe is connected with the first oil pipe or connected with a rod cavity.
Optionally, the device further comprises an expansion pipe, wherein the expansion pipe is connected with the second oil pipe or the rodless cavity.
Optionally, the electric switch valve further comprises an expansion pipe, and the expansion pipe is connected with the electric switch valve.
The specific expansion pipe has the function of compensating, when the volume of the liquid is expanded, the volume which is insufficient inside is compensated by the expansion pipe which is outside, and part of the liquid directly enters the expansion pipe, so that the shell, the first oil pipe, the second oil pipe and the electric switch valve are protected.
Optionally, a valve is installed on the first oil pipe.
The valve is used for controlling the on-off of the pipeline on the first oil pipe, and the pipeline of the oil pipe can be cut off if necessary.
Optionally, the oil pipe further comprises a bypass pipe, two bypass interfaces are arranged on the first oil pipe, the valve is located between the two bypass interfaces, and two ends of the bypass pipe are connected with the two bypass interfaces respectively.
Optionally, the bypass pipe is connected with an oil pump.
The bypass pipe with the oil pump is arranged, and the valve is arranged on the first oil pipe, so that the whole damper has more functions, and when the damper is used, the valve on the first oil pipe is in an open state. When the valve on the first oil pipe is closed, the oil pump is arranged on the bypass pipe, the damper is driven by the oil pump to work, and the oil is pumped into the rodless cavity from the rod cavity by the pump, the plug rod can be actively ejected out of the shell, and at the moment, the passive hydraulic damper in the damper is changed into an active hydraulic cylinder.
Optionally, the electric switch valve further comprises a protective cover, wherein the protective cover is arranged on the shell, and the electric switch valve is positioned in the protective cover.
The specific expansion pipe and the electric switch valve are both positioned in the protective cover, and the protective cover has good protective effect on the electric switch valve and the expansion pipe.
The beneficial effects of the utility model are as follows: the first oil pipe, the second oil pipe and the electric switch valve are arranged between the rod cavity and the rodless cavity, the electric switch valve is used for controlling the on-off of an oil way between the rod cavity and the rodless cavity, the piston is locked or opened through the on-off of the oil way, and the adaptability is stronger.
Description of the drawings:
FIG. 1 is a schematic diagram of the structure of embodiment 1;
FIG. 2 is a schematic diagram of the structure of embodiment 2;
FIG. 3 is a schematic diagram of the structure of example 3.
The reference numerals in the drawings are as follows: 1. lifting lugs; 2. a plug rod; 3. a housing; 301. a rod cavity is arranged; 302. a rodless cavity; 4. a piston; 5. a protective cover; 6. an expansion tube; 7. an electric switch valve; 8. a first oil pipe; 801. a bypass port; 9. a second oil pipe; 10. a valve; 11. an oil pump; 12. and (3) a valve.
The specific embodiment is as follows:
the present utility model will be described in detail with reference to the accompanying drawings.
Example 1
As shown in fig. 1, a protection hydraulic damper comprises a housing 3, a piston 4 and a plug rod 2, wherein the piston 4 is arranged in the housing 3 in a sliding sealing manner, the plug rod 2 is fixed on the piston 4, the piston 4 divides a space in the housing 3 into a unique rod cavity 301 and a rodless cavity 302, the protection hydraulic damper further comprises a first oil pipe 8, a second oil pipe 9 and an electric switch valve 7, the first oil pipe 8 and the second oil pipe 9 are all arranged on the housing 3, the first oil pipe 8 and the rod cavity 301 are in a communicating state, the second oil pipe 9 and the rodless cavity 302 are in a communicating state, and the first oil pipe 8 and the second oil pipe 9 are connected with the electric switch valve 7.
In this hydraulic damper, the effect of electric switch valve 7 is the make-and-break of the oil circuit between first oil pipe 8 and the second oil pipe 9, there is liquid (fluid) in pole chamber 301 and the no pole intracavity 302, when the oil circuit between first oil pipe 8 and the second oil pipe 9 is in the UNICOM state, piston 4 can remove in casing 3 this moment, stopper rod 2 can business turn over casing 3, after electric switch valve 7 closes the oil circuit between first oil pipe 8 and the second oil pipe 9, the oil circuit between whole first oil pipe 8 and the second oil pipe 9 is in the state of not being led through, piston 4 can't remove in casing 3 this moment, stopper rod 2 also can't pass in piston 4 this moment, whole attenuator is in the locking state promptly, so this kind of attenuator can prevent that the photovoltaic support from taking place the vibration when installing photovoltaic support system, play good guard action to the attenuator.
In summary, in the damper, since the first oil pipe 8, the second oil pipe 9 and the electric switch valve 7 are arranged between the rod cavity 301 and the rodless cavity 302, the electric switch valve 7 is utilized to control the on-off of the oil path between the rod cavity 301 and the rodless cavity 302, and the locking or opening of the piston 4 is realized through the on-off of the oil path, so that the adaptability is stronger.
As shown in fig. 1, further comprises an expansion pipe 6, the expansion pipe 6 being connected to the second oil pipe or to the rodless cavity 302.
The specific expansion pipe 6 is used for compensating, when the volume of the liquid is expanded, the volume which is insufficient inside is compensated by the expansion pipe 6 outside, and part of the liquid directly enters the expansion pipe 6, so that the shell 3, the first oil pipe 8, the second oil pipe 9 and the electric switch valve 7 are protected.
As shown in fig. 1, a valve 10 is mounted on the first oil pipe 8.
The valve 10 is used for controlling the on-off of the pipeline on the first oil pipe 8, and the pipeline of the oil pipe can be cut off if necessary.
As shown in fig. 1, the oil pipe further comprises a bypass pipe, two bypass interfaces are arranged on the first oil pipe 8, the valve 10 is located between the two bypass interfaces, and two ends of the bypass pipe are respectively connected with the two bypass interfaces.
As shown in fig. 1, the bypass pipe is connected with an oil pump 11.
The bypass pipe with the oil pump 11 is provided and the valve 10 is installed on the first oil pipe 8 in order to make the whole damper have more functions, and the valve 10 on the first oil pipe 8 is in an opened state when the damper is used. When the valve 10 on the first oil pipe 8 is closed, the oil pump 11 is arranged on the bypass pipe, the damper is driven to work by the oil pump 11, and the oil is pumped from the rod cavity 301 to the rodless cavity 302 by the pump, the plug rod 2 can be actively ejected from the shell 3, and at the moment, the passive hydraulic damper in the damper is changed into an active hydraulic cylinder.
As shown in fig. 1, the electric switch valve further comprises a protective cover 5, the protective cover 5 is arranged on the shell 3, and the electric switch valve is positioned in the protective cover 5.
The specific expansion pipe 6 and the electric switch valve are both positioned in the protective cover 5, and the protective cover 5 has good protective effect on the electric switch valve 7 and the expansion pipe 6.
Example 2
Referring to fig. 2, the structure of the damper provided in this embodiment is basically the same as that provided in embodiment 1, except that the expansion pipe 6 is attached to the electric switching valve in this embodiment.
Example 3
Referring to fig. 3, the damper provided in this embodiment has a structure substantially identical to that provided in embodiment 1, except that the expansion pipe 6 is attached to the rod chamber 301 or the first oil pipe 8 in this embodiment.
The foregoing description is only of the preferred embodiments of the present utility model, and is not intended to limit the scope of the utility model, but is intended to cover all equivalent modifications, direct or indirect, as would be included in the scope of the utility model.
Claims (8)
1. The utility model provides a protection type hydraulic damper, includes casing, piston and cock stem, piston sliding seal sets up in the casing, the cock stem is fixed in on the piston, the piston separates into unique pole chamber and rodless chamber with the space in the casing, its characterized in that still includes first oil pipe, second oil pipe and electric switch valve, first oil pipe and second oil pipe are all installed on the casing, and first oil pipe is in the state of intercommunication with the pole chamber, and second oil pipe is in the state of intercommunication with the rodless chamber, first oil pipe and second oil pipe with electric switch valve meets.
2. The protective hydraulic damper of claim 1 further comprising an expansion tube, said expansion tube being connected to said first oil tube or to a rod cavity.
3. The protective hydraulic damper of claim 1 further comprising an expansion tube, said expansion tube being connected to said second oil tube or to a rodless cavity.
4. The protective hydraulic damper of claim 1 further comprising an expansion tube, said expansion tube being connected to said electrically operated on-off valve.
5. The protective hydraulic damper of claim 1 wherein said first oil line has a valve mounted thereon.
6. The protective hydraulic damper of claim 5, further comprising a bypass pipe, wherein the first oil pipe is provided with two bypass ports, the valve is positioned between the two bypass ports, and two ends of the bypass pipe are respectively connected with the two bypass ports.
7. The protective hydraulic damper of claim 6 wherein the bypass tube is connected to an oil pump.
8. The protective hydraulic damper of claim 1 further comprising a protective cover disposed on the housing, the electrically operated switch valve being located within the protective cover.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320533592.8U CN219840963U (en) | 2023-03-13 | 2023-03-13 | Protective hydraulic damper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320533592.8U CN219840963U (en) | 2023-03-13 | 2023-03-13 | Protective hydraulic damper |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219840963U true CN219840963U (en) | 2023-10-17 |
Family
ID=88300413
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320533592.8U Active CN219840963U (en) | 2023-03-13 | 2023-03-13 | Protective hydraulic damper |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219840963U (en) |
-
2023
- 2023-03-13 CN CN202320533592.8U patent/CN219840963U/en active Active
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