CN215059098U - Oil leakage prevention damper for bridge - Google Patents
Oil leakage prevention damper for bridge Download PDFInfo
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- CN215059098U CN215059098U CN202120368667.2U CN202120368667U CN215059098U CN 215059098 U CN215059098 U CN 215059098U CN 202120368667 U CN202120368667 U CN 202120368667U CN 215059098 U CN215059098 U CN 215059098U
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Abstract
The utility model provides an oil leakage prevention damper for a bridge, which relates to the technical field of dampers and comprises a cylinder body, a piston rod, a left connector, a right connector, a sealing assembly, an oil supplementing system and a monitoring system; the two ends of the cylinder body are respectively provided with a left end cover and a right end cover, the piston rod sequentially penetrates through the left end cover and the right end cover and is connected in the cylinder body in a sliding manner, a piston is fixedly arranged on the piston rod and positioned between the left end cover and the right end cover to divide the cylinder body into a left cavity and a right cavity; the left connector and the right connector are oppositely arranged and are fixedly arranged on the piston rod and the cylinder body respectively; the two sealing assemblies are respectively arranged on the left end cover and the right end cover; the oil supplementing system and the monitoring system are respectively arranged on the cylinder body and are both connected with the controller. It has solved the problem of the attenuator oil leak that exists among the prior art.
Description
Technical Field
The utility model relates to a attenuator technical field especially relates to a bridge is with leak protection oil attenuator.
Background
The traditional structure is resistant to natural disasters such as earthquake, wind, snow, tsunami and the like by enhancing the seismic performance of the structure. Due to uncertainty of action strength and characteristics of natural disasters, a structure designed by a traditional earthquake-resistant method does not have self-adjusting capacity, so that when an earthquake comes, great economic loss and casualties are often caused. The viscous damper is made according to the principle that fluid movement, especially when the fluid passes through a throttling hole, throttling resistance is generated, is a damper related to the movement speed of a piston, and is widely applied to the fields of high-rise buildings, bridges, anti-seismic reconstruction of building structures, anti-seismic of industrial pipeline equipment, military industry and the like.
Generally, a viscous damper is installed on a bridge for resisting earthquake, but once the damper leaks oil, the damping effect is poor, and the damper is seriously failed. The piston rod of viscous damper reciprocating motion can take out the dimethyl silicon oil in the cylinder body and volatilize, and the attenuator is worked in the great environment of dust for a long time, can bring impurity into, and piston rod and sealing member wearing and tearing can lead to the oil leak. The silicone oil is also likely to be exuded due to the temperature rise and the sudden pressure rise. The whole damper can be scrapped in the long term, and the unsafe risk of the bridge and the construction cost of a bridge unit are increased.
SUMMERY OF THE UTILITY MODEL
To the not enough that exists among the prior art, the utility model provides a bridge is with leak protection oil attenuator, its problem of having solved the attenuator oil leak that exists among the prior art.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
an oil leakage prevention damper for a bridge comprises a cylinder body, a piston rod, a left connector, a right connector, a sealing assembly, an oil supplementing system and a monitoring system;
the two ends of the cylinder body are respectively provided with a left end cover and a right end cover, the piston rod sequentially penetrates through the left end cover and the right end cover and is connected in the cylinder body in a sliding manner, a piston is fixedly arranged on the piston rod and positioned between the left end cover and the right end cover to divide the cylinder body into a left cavity and a right cavity;
the left connector and the right connector are oppositely arranged and are fixedly arranged on the piston rod and the cylinder body respectively;
the two sealing assemblies are respectively arranged on the left end cover and the right end cover;
the oil supplementing system and the monitoring system are respectively arranged on the cylinder body.
Compared with the prior art, the utility model discloses following beneficial effect has:
the cylinder body is sealed through the sealing assembly, so that the connection between the inside and the outside of the cylinder body is isolated, and the silicone oil is prevented from leaking; the oil supplementing system can supplement oil to the viscous damper; the monitoring system monitors the viscous damper, finds out the oil leakage problem in time, is used with the oil supplementing system in a matched mode, prolongs the service life of the viscous damper, and guarantees the damping effect of the viscous damper.
Preferably, the sealing assembly comprises two dustproof plugs, a Silai ring, a high-pressure flooding plug and a one-way sealing ring, the dustproof plugs, the Silai ring and the high-pressure flooding plug are sequentially arranged between the piston rod and the left end cover along the sliding direction of the piston rod, and the one-way sealing ring is arranged between the left end cover and the inner wall of the cylinder body.
Preferably, still include an elasticity dust cover, elasticity dust cover cladding is on the piston rod, and both ends are fixed respectively on left connector and cylinder body.
Preferably, the oil supplementing system comprises an energy accumulator, the energy accumulator is connected with two pipelines, the two pipelines are respectively communicated with the left cavity and the right cavity, and a valve block is arranged on the pipeline.
Preferably, the monitoring system includes temperature sensor, pressure sensor, displacement sensor and signal receiving unit, temperature sensor, pressure sensor and displacement sensor all set firmly on the cylinder body, and one end all is connected with signal receiving unit.
Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention.
Drawings
Fig. 1 is a schematic cross-sectional view of the overall structure of the embodiment of the present invention.
Fig. 2 is a schematic front view of an embodiment of the present invention.
Fig. 3 is a schematic top view of an embodiment of the present invention.
Fig. 4 is a schematic view of a connection of a part of the structure of the sealing assembly according to an embodiment of the present invention.
Fig. 5 is a schematic view of the connection of the one-way sealing ring according to the embodiment of the present invention.
In the above drawings: 1. a cylinder body; 2. a piston rod; 3. a left connector; 4. a right connector; 5. a left end cap; 6. a right end cap; 7. a piston; 8. a dust plug; 9. a spring circle; 10. high-pressure flooding plug; 11. a one-way sealing ring; 12. an elastic dust cover; 13. an accumulator; 14. a valve block; 15. a temperature sensor; 16. a pressure sensor; 17. a displacement sensor; 18. a signal receiving unit.
Detailed Description
In order to make the technical means, creation features, achievement purposes and actions of the present invention clearer and easier to understand, the following technical solution of the present invention will be further explained with reference to the accompanying drawings and embodiments.
As shown in fig. 1, an embodiment of the present invention provides an oil leakage prevention damper for a bridge, including a cylinder body 1, a piston rod 2, a left connector 3, a right connector 4, a sealing assembly, an oil supply system and a monitoring system; the two ends of the cylinder body 1 are respectively provided with a left end cover 5 and a right end cover 6, the piston rod 2 sequentially penetrates through the left end cover 5 and the right end cover 6 and is connected in the cylinder body 1 in a sliding manner, a piston 7 is fixedly arranged on the piston rod 2, and the piston 7 is positioned between the left end cover 5 and the right end cover 6 and divides the cylinder body 1 into a left cavity and a right cavity; the left connector 3 and the right connector 4 are oppositely arranged and are fixedly arranged on the piston rod 2 and the cylinder body 1 respectively; the two sealing components are respectively arranged on the left end cover 5 and the right end cover 6; the oil supplementing system and the monitoring system are respectively arranged on the cylinder body 1 and are connected with corresponding controllers.
The piston 7 of the viscous damper divides the cylinder body 1 into two parts, damping media such as dimethyl silicon oil are filled in the cylinder body 1, when the viscous damper is under the action of external force, the piston rod 2 drives the piston 7 to reciprocate in the cylinder body 1, in the process, the dimethyl silicon oil rapidly flows in the left cavity and the right cavity which are separated, violent friction is generated between the dimethyl silicon oil and the piston 7 and between the dimethyl silicon oil and the inner wall of the cylinder body 1, and the dimethyl silicon oil generates huge interception resistance when passing through the opening of the piston 7, and the acting forces are called as damping force together. The motion of the piston rod 2 enables the damping force generated by the flow of the dimethyl silicon oil to convert seismic energy into heat energy through the reciprocating motion of the piston 7 in the viscous liquid to be dissipated, and the motion speed of the piston 7 is gradually reduced, so that the damping effect is achieved. The cylinder body 1, the left end cover 5, the right end cover 6 and the piston rod 2 jointly form a working space of the viscous damper; the left end cover 5 and the right end cover 6 move relative to the piston rod 2, the dimethyl silicon oil leaks out and volatilizes in the reciprocating motion process of the piston rod 2, and the sealing components respectively seal the piston rod 2, the left end cover 5 and the right end cover 6 to prevent the leakage of the dimethyl silicon oil; when the amount of the dimethyl silicone oil in the cylinder body 1 is insufficient, the oil supplementing system can supplement the dimethyl silicone oil; the monitoring system carries out real-time supervision to the condition in the cylinder body 1, and when monitoring that the appearance is unusual in the cylinder body 1, the controller control alarm reminds the staff to inspect the viscous damper, and when finding the oil leak phenomenon and need supplying, the controller control oil supplementing system mends oil to cylinder body 1, prolongs viscous damper service life, guarantees the shock attenuation effect of viscous damper, guarantees the safety of bridge.
As shown in fig. 4 and 5, the sealing assembly includes two dust plugs 8, a slay ring 9, a high-pressure flooded plug 10, and a one-way sealing ring 11, where the dust plugs 8, the slay ring 9, and the high-pressure flooded plug 10 are sequentially disposed between the piston rod 2 and the left end cap 5 along the sliding direction of the piston rod 2, and the one-way sealing ring 11 is disposed between the left end cap 5 and the inner wall of the cylinder body 1. The dustproof plug 8 blocks external dust and impurities from entering the cylinder body 1, the Schlei ring 9 plays a role in supporting and guiding, and the high-pressure flooding plug 10 can bear high pressure generated in the cylinder body 1 and seal. The one-way seal ring 11 is used for one-way sealing.
As shown in fig. 1 to 3, the cylinder assembly further comprises an elastic dust cover 12, wherein the piston rod 2 is covered by the elastic dust cover 12, and two ends of the elastic dust cover are respectively fixed on the left connector 3 and the cylinder body 1. The elastic dust cover 12 can be a corrugated pipe and made of rubber, the piston rod 2 is not in contact with the outside, impurities cannot be brought into the piston rod 2 to cause abrasion of the piston rod 2 and a sealing assembly when the piston rod 2 reciprocates, the sealing performance is guaranteed, and the service life of the viscous damper is prolonged.
As shown in fig. 2 and 3, the oil supplementing system includes an energy accumulator 13, the energy accumulator 13 is connected with two pipelines, the two pipelines are respectively communicated with the left chamber and the right chamber, and the pipelines are provided with valve blocks 14. The reciprocating motion of the piston rod 2 can bring out silicon oil certainly, and the loss of the silicon oil can be caused inevitably for years, and at the moment, the energy accumulator 13 is needed to supplement oil for the viscous damper. The energy accumulator 13 is filled with nitrogen with the purity of 99.99 percent, the charging pressure is from 30bar to 50bar according to the actual engineering design, the energy accumulator 13 is connected with the left chamber and the right chamber of the viscous damper cylinder body 1 through the valve block 14, the valve block 14 is internally provided with a one-way valve and a phi 0.5 throttling hole, the energy accumulator 13 is ensured not to be impacted by the high pressure of the viscous damper, and meanwhile, the viscous damper can be supplemented with oil and adjusted.
As shown in fig. 2 and 3, the monitoring system includes a temperature sensor 15, a pressure sensor 16, a displacement sensor 17 and a signal receiving unit 18, wherein the temperature sensor 15, the pressure sensor 16 and the displacement sensor 17 are all fixed on the cylinder body 1, and one end of each is connected with the signal receiving unit 18. A temperature sensor 15, a pressure sensor 16 and a displacement sensor 17 are arranged on a viscous damper cylinder body 1, parameters such as temperature, pressure, speed and displacement of the viscous damper are monitored in real time, and the basic formula of the viscous damper is as follows: f ═ CxVαWherein F represents damping force, C represents damping coefficient, V is damping speed, alpha is speed index, C and alpha are given constants, thus displacement and force values can be recorded, hysteresis curve of viscous damper can be made, if temperature, pressure and hysteresis curve are abnormal, I can record displacement and force values, and if the temperature, pressure and hysteresis curve are abnormal, I can record damping force valueThe viscous damper can be checked and corrected in time.
Finally, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the present invention can be modified or replaced by other means without departing from the spirit and scope of the present invention, which should be construed as limited only by the appended claims.
Claims (5)
1. The utility model provides a bridge is with leak protection oil attenuator which characterized in that: the oil-supplementing hydraulic cylinder comprises a cylinder body (1), a piston rod (2), a left connector (3), a right connector (4), a sealing assembly, an oil-supplementing system and a monitoring system;
the two ends of the cylinder body (1) are respectively provided with a left end cover (5) and a right end cover (6), the piston rod (2) sequentially penetrates through the left end cover (5) and the right end cover (6) and is connected in the cylinder body (1) in a sliding manner, a piston (7) is fixedly arranged on the piston rod (2), and the piston (7) is positioned between the left end cover (5) and the right end cover (6) and divides the cylinder body (1) into a left cavity and a right cavity;
the left connector (3) and the right connector (4) are oppositely arranged and are fixedly arranged on the piston rod (2) and the cylinder body (1) respectively;
the two sealing components are respectively arranged on the left end cover (5) and the right end cover (6);
the oil supplementing system and the monitoring system are respectively arranged on the cylinder body (1).
2. An oil leakage prevention damper for a bridge as claimed in claim 1, wherein: the sealing assembly comprises a dustproof plug (8), a Silai ring (9), a high-pressure flooding plug (10) and a one-way sealing ring (11), the number of the Silai rings (9) is two, the dustproof plug (8), the Silai ring (9) and the high-pressure flooding plug (10) are sequentially arranged between the piston rod (2) and the left end cover (5) along the sliding direction of the piston rod (2), and the one-way sealing ring (11) is arranged between the left end cover (5) and the inner wall of the cylinder body (1).
3. An oil leakage prevention damper for a bridge as claimed in claim 1, wherein: still include an elasticity dust cover (12), elasticity dust cover (12) cladding is on piston rod (2), and both ends are fixed respectively on left connector (3) and cylinder body (1).
4. An oil leakage prevention damper for a bridge as claimed in claim 1, wherein: the oil supplementing system comprises an energy accumulator (13), the energy accumulator (13) is connected with two pipelines, the two pipelines are respectively communicated with the left cavity and the right cavity, and a valve block (14) is arranged on the pipelines.
5. An oil leakage prevention damper for a bridge as claimed in claim 1, wherein: the monitoring system comprises a temperature sensor (15), a pressure sensor (16), a displacement sensor (17) and a signal receiving unit (18), wherein the temperature sensor (15), the pressure sensor (16) and the displacement sensor (17) are fixedly arranged on the cylinder body (1), and one end of the temperature sensor is connected with the signal receiving unit (18).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120368667.2U CN215059098U (en) | 2021-02-10 | 2021-02-10 | Oil leakage prevention damper for bridge |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120368667.2U CN215059098U (en) | 2021-02-10 | 2021-02-10 | Oil leakage prevention damper for bridge |
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| CN215059098U true CN215059098U (en) | 2021-12-07 |
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| CN202120368667.2U Active CN215059098U (en) | 2021-02-10 | 2021-02-10 | Oil leakage prevention damper for bridge |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115789161A (en) * | 2023-02-09 | 2023-03-14 | 常州液压成套设备厂有限公司 | Viscous hydraulic damper with online monitoring function and monitoring method |
-
2021
- 2021-02-10 CN CN202120368667.2U patent/CN215059098U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115789161A (en) * | 2023-02-09 | 2023-03-14 | 常州液压成套设备厂有限公司 | Viscous hydraulic damper with online monitoring function and monitoring method |
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