CN208236788U - A kind of accumulator monitoring piston displacement - Google Patents
A kind of accumulator monitoring piston displacement Download PDFInfo
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- CN208236788U CN208236788U CN201820575984.XU CN201820575984U CN208236788U CN 208236788 U CN208236788 U CN 208236788U CN 201820575984 U CN201820575984 U CN 201820575984U CN 208236788 U CN208236788 U CN 208236788U
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- piston
- end cap
- side end
- displacement
- center sleeve
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Abstract
The utility model discloses the accumulators that one kind can monitor piston displacement, including cylinder body, oily side end cap, gas side end cap, piston, center sleeve and displacement sensor；The oil side end cap and the gas side end cap are set on the cylinder body, the piston is located at the inside of the cylinder body, the center sleeve is sequentially connected between the center, the center of the piston and the center of the gas side end cap of the oily side end cap, and institute's displacement sensors are located at the inside of the center sleeve.It on the one hand ensure that the concentricity requirement during the pistons work using the center sleeve, on the other hand institute's displacement sensors can be protected, be also convenient for that institute's displacement sensors can be replaced.Accumulator described in the utility model can retain the structure and function of traditional piston accumulators and the monitoring to the piston displacement, simple and stable structure, long service life, can satisfy the field working conditions requirement for needing to monitor the piston displacement.
Description
Technical field
The utility model relates to technical field of hydraulic equipment, more particularly to a kind of accumulator that can monitor piston displacement.
Background technique
Accumulator is one of hydropneumatic system energy savings device.It is in due course the energy in system
Being changed into compression energy or position can store, and can be changed into the energy such as hydraulic or air pressure when system needs, and by compression energy or position
And release, feed system is mended again.When system instantaneous pressure increases, the energy of this part is can be absorbed in it, to guarantee
Whole system pressure is normal.
Piston accumulator product does not have the function of piston position measurement and display displacement generally at present, in engineering
Real-time Feedback piston position is unable in, so that it is unable to the working condition of accurate judgement accumulator, it is certain for not being able to satisfy
The requirement of control.Especially in offshore engineering equipment, accumulator needs to monitor in real time piston position, but existing inspection equipment
Cumbersome, inefficiency is not able to satisfy the requirement of field working conditions.
Utility model content
In order to overcome the shortcomings of the prior art, the utility model, which provides one kind, to be had monitoring piston displacement and meets work
Fill in the accumulator for monitoring piston displacement of concentricity requirement.
In order to solve the above-mentioned technical problem, the utility model provides a kind of accumulator that can monitor piston displacement, including
Cylinder body, oily side end cap, gas side end cap, piston, center sleeve and displacement sensor；
The cylindrical shape of the shape of the cylinder body, the oil side end cap are set on a side opening of the cylinder body, the gas
Side end cap is set on another side opening of the cylinder body, and the piston is located at the inside of the cylinder body, the piston and the oil
The oil-in chamber for accommodating hydraulic oil is formed between side end cap, is formed between the piston and the gas side end cap for accommodating gas
The gas chamber of body, the oil side end cap are equipped with oil inlet, and the gas side end cap is equipped with air inlet, and the center sleeve is sequentially connected
Between the center, the center of the piston and the center of the gas side end cap of the oily side end cap, so that the piston has
Relative to the center sleeve and relative to the freedom degree of cylinder body axial movement, between the center sleeve and the piston
Equipped with the first sealing ring, institute's displacement sensors are located at the inside of the center sleeve.
Preferably, one end of the center sleeve is closed end, and the other end of the center sleeve is open end,
The closed end is connected with the oily side end cap, and the open end is connected with the gas side end cap.
Preferably, institute's displacement sensors are arranged in the center sleeve by the open end, institute's rheme
Detachable structure is equipped between displacement sensor and the gas side end cap.
Preferably, the detachable structure is to be threadedly coupled.
Preferably, the center sleeve is to be fixedly connected with the oily side end cap, the center sleeve with it is described
The first sealing ring is equipped between piston and/or between the center sleeve and the gas side end cap.
Preferably, institute's displacement sensors further include permanent-magnetic clamp, and the permanent-magnetic clamp is sheathed on the center sleeve
On, the permanent-magnetic clamp is located at the gas chamber and the permanent-magnetic clamp is connected with the piston.
Preferably, the side that the piston is located at the gas chamber is equipped with round recessed, and the permanent-magnetic clamp passes through spiral shell
It tethers and is arranged in the round recessed.
Preferably, screwed ring and/or the second sealing ring are equipped between the gas side end cap and the cylinder body；It is described
Screwed ring and/or the second sealing ring are equipped between oily side end cap and the cylinder body；Between the piston and the inner wall of the cylinder body
Equipped with multiple groups sealing ring.
Preferably, the side that the piston is located at the gas chamber is equipped with first group of sealing ring, the piston position
Second group of sealing ring is equipped in the other side of the oil-in chamber.
Preferably, it is recessed to be equipped with ring between first group of sealing ring and second group of sealing ring for the piston
Slot.
The accumulator provided by the utility model for monitoring piston displacement, compared with prior art, the beneficial effect is that:
The basic function that monitoring piston displacement can be realized by institute's displacement sensors of the utility model, is filled using the center sleeve
Center, the center of the piston assigned in the oily side end cap and the design between the center of the gas side end cap, are on the one hand protected
The concentricity requirement during the pistons work has been demonstrate,proved, on the other hand institute's displacement sensors can have been protected, be also convenient for
Institute's displacement sensors can be replaced, extend the service life of the accumulator, accumulator described in the utility model was both
The structure and function of traditional piston accumulators can be retained, and be able to achieve the monitoring to the piston displacement, structure is simply steady
Fixed, long service life can satisfy the field working conditions requirement for needing to monitor the piston displacement.
Detailed description of the invention
It, below will be to attached needed in embodiment in order to illustrate more clearly of the technical solution of the utility model
Figure is briefly described, it should be apparent that, the accompanying drawings in the following description is only some embodiments of the utility model, for
For those of ordinary skill in the art, without creative efforts, it can also be obtained according to these attached drawings other
Attached drawing.
Fig. 1 is the schematic diagram of internal structure of the accumulator for monitoring piston displacement of the utility model embodiment.
Fig. 2 is the side structure schematic view of the accumulator for monitoring piston displacement of the utility model embodiment.
Fig. 3 is the enlarged drawing in Fig. 1 at A.
In figure: 1. cylinder bodies；2. oily side end cap；3. gas side end cap；4. piston；5. center sleeve；6. displacement sensor；7. forever
Magnet ring；8. oil inlet；9. air inlet；10. screwed ring；11. the first sealing ring；12. the second sealing ring；13. third sealing ring；
14. the 4th sealing ring；15. the 5th sealing ring；16. the 6th sealing ring；17. ring groove.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without creative efforts
Every other embodiment obtained, fall within the protection scope of the utility model.
In addition, in the description of the present invention, it should be noted that term " first ", " second " etc. are only used for describing
Purpose is not understood to indicate or imply relative importance.
As shown in Figure 1 to Figure 3, the utility model preferred embodiment provides a kind of accumulation of energy that can monitor the displacement of piston 4
Device, including cylinder body 1, oily side end cap 2, gas side end cap 3, piston 4, center sleeve 5 and displacement sensor 6；Outside the cylinder body 1
The cylindrical shape of shape, the oil side end cap 2 are set on a side opening of the cylinder body 1, and the gas side end cap 3 is set to the cylinder body
On 1 another side opening, the piston 4 is located at the inside of the cylinder body 1, is formed between the piston 4 and the oily side end cap 2
The gas chamber for accommodating gas is formed for accommodating the oil-in chamber of hydraulic oil, between the piston 4 and the gas side end cap 3,
The oil side end cap 2 is equipped with oil inlet 8, and the gas side end cap 3 is equipped with air inlet 9, convenient for the oil-in chamber oil inlet and just
In to gas chamber's aerating body, the center sleeve 5 is sequentially connected to the center of the oily side end cap 2, in the piston 4
Between the heart and the center of the gas side end cap 3, so that the piston 4 has relative to the center sleeve 5 and/or relative to institute
The freedom degree for stating the axial movement of cylinder body 1 is equipped with the first sealing ring 11, the displacement between the center sleeve 5 and the piston 4
Sensor 6 is located at the inside of the center sleeve 5.
The accumulator for monitoring piston displacement based on above-mentioned technical characteristic, institute's displacement sensors 6 can realize that monitoring is lived
The basic function of 4 displacement of plug has mutability because the measuring staff material of magnetostrictive displacement sensor general at present is aluminum profile
The disadvantages of shape, is assemblied in the center of the oily side end cap 2, the center and the gas side of the piston 4 using the center sleeve 5
On the one hand design between the center of end cap 3 ensure that the concentricity requirement in 4 course of work of piston, on the other hand may be used
Institute's displacement sensors 6 are protected, is also convenient for that institute's displacement sensors 6 can be replaced, extends the accumulator
Service life, accumulator described in the utility model can retain the structure and function and real of traditional piston accumulators
The monitoring being now displaced to the piston 4, simple and stable structure, long service life can satisfy and need to monitor the displacement of piston 4
Field working conditions requirement.
Further, one end of the center sleeve 5 is closed end, and the other end of the center sleeve 5 is open end, institute
It states closed end to be connected with the oily side end cap 2, it is to be understood that the closed end can be integrally formed, is also possible to
Equipped with capping, sealed-for-life is formed by suitable technique, the hydraulic oil in the oil pocket is avoided to flow into the center sleeve 5
Interior, the open end is connected with the gas side end cap 3, convenient for interting institute's displacement sensors 6 into the center sleeve 5
It is internal.
Further, institute's displacement sensors 6 are arranged in the center sleeve 5 by the open end, the displacement
It is equipped with detachable structure and sealing ring between sensor 6 and the gas side end cap 3, guarantees the sealing in the center sleeve 5
Simultaneously, convenient for being replaced to institute's displacement sensors 6, the detachable structure preferentially uses structure to be simply easily achieved to performance
Threaded connection, certainly, the detachable structure can be buckle etc. other removablies.
Further, the center sleeve 5 is to be fixedly connected with the oily side end cap 2, so that the one of the center sleeve 5
End is fixed on and on the accumulator, avoids driving the center sleeve 5 mobile when the piston 4 is mobile, the center sleeve 5
The first sealing ring 11 is equipped between the piston 4 and/or between the center sleeve 5 and the gas side end cap 3, described in guarantee
Be also convenient for while good sealing performance in 4 moving process of piston it is whole assemble, in the present embodiment, described first
Sealing ring preferentially uses versatile and strong leakproofness O-ring.
Because institute's displacement sensors 6 are excellent to use magnetostrictive displacement sensor 6, institute's displacement sensors 6 further include forever
Magnet ring 7, the permanent-magnetic clamp 7 are sheathed on the center sleeve 5, and the permanent-magnetic clamp 7 is located at the gas chamber and the permanent-magnetic clamp 7
It is connected with the piston 4, realization measures the displacement of the piston 4, achievees the purpose that monitoring.
Further, the side that the piston 4 is located at the gas chamber is equipped with round recessed, convenient for the air in the air cavity
The mobile piston 4 of energy, the permanent-magnetic clamp 7 are bolted in the round recessed, protect the permanent-magnetic clamp 7 not by liquid
The influence of pressure oil.
Further, screwed ring 10 and/or the second sealing ring 12 are equipped between the gas side end cap 3 and the cylinder body 1；Institute
It states and is equipped with screwed ring 10 and/or the second sealing ring 12 between oily side end cap 2 and the cylinder body 1；The piston 4 and the cylinder body 1
Inner wall between be equipped with multiple groups sealing ring, guarantee the leakproofness of the oil-in chamber and the gas chamber, the multiple groups sealing ring
It can guarantee the leakproofness in 4 moving process of piston.
As shown in figure 3, the side that the piston 4 is located at the gas chamber is equipped with first group of sealing ring, the piston 4 is located at
The other side of the oil-in chamber is equipped with second group of sealing ring, and first group of sealing ring includes that third sealing ring the 13, the 4th seals
Circle 14 and the 5th sealing ring 15, second group of sealing ring include that third sealing ring 13, the 4th sealing ring 14 and the 6th are close
Seal 16.
First sealing ring 11 described in the present embodiment, the second sealing ring 12 and the 4th sealing ring 14 are preferentially adopted as O
Type circle, the third sealing ring 13 is preferably guide ring, and the 5th sealing ring 15 and the 6th sealing ring 16 are square ring；
But it is not specifically limited to this for the utility model.
Further, the piston 4 is equipped with ring groove between first group of sealing ring and second group of sealing ring
17, the ring groove 17 can reduce the friction area between the piston 4 and the cylinder body 1, be more conducive to the piston 4 into
Row movement.
In conclusion displacement sensor 6 described in the utility model embodiment is inserted into the center from the open end
In pipe 5, measurement length meets the total travel demand of the piston 4, and 5 one side of center sleeve ensure that 4 work of piston
On the other hand concentricity requirement during work can protect institute's displacement sensors 6, be also convenient for that the displacement can be passed
Sensor 6 is replaced, and extends the service life of the accumulator, and accumulator described in the utility model can retain traditional work
The structure and function of accumulator are filled in, and is able to achieve the monitoring to the piston 4 displacement, simple and stable structure, long service life,
It can satisfy and need to monitor the field working conditions requirement that the piston 4 is displaced.
Finally, it should be noted that above embodiments are only to illustrate the technical solution of the utility model, rather than its limitations；
Although the utility model is described in detail with reference to the foregoing embodiments, those skilled in the art should understand that:
It is still possible to modify the technical solutions described in the foregoing embodiments, or part of technical characteristic is carried out etc.
With replacement；And these are modified or replaceed, various embodiments of the utility model technology that it does not separate the essence of the corresponding technical solution
The spirit and scope of scheme.
Claims (10)
1. the accumulator that one kind can monitor piston displacement, which is characterized in that including cylinder body, oily side end cap, gas side end cap, piston,
Center sleeve and displacement sensor；
The cylindrical shape of the shape of the cylinder body, the oil side end cap are set on a side opening of the cylinder body, the gas side end
It is covered on another side opening of the cylinder body, the piston is located at the inside of the cylinder body, the piston and the oily side
The oil-in chamber for accommodating hydraulic oil is formed between lid, is formed between the piston and the gas side end cap for accommodating gas
Gas chamber, the oil side end cap are equipped with oil inlet, and the gas side end cap is equipped with air inlet, and the center sleeve is sequentially connected to institute
It states between the center of oily side end cap, the center of the piston and the center of the gas side end cap, so that the piston has relatively
In the center sleeve and relative to the freedom degree of cylinder body axial movement, institute's displacement sensors are located at the center sleeve
Inside.
2. the accumulator according to claim 1 for monitoring piston displacement, which is characterized in that one end of the center sleeve
For closed end, the other end of the center sleeve is open end, and the closed end is connected with the oily side end cap, the opening
End is connected with the gas side end cap.
3. the accumulator according to claim 2 for monitoring piston displacement, which is characterized in that institute's displacement sensors pass through
The open end is arranged in the center sleeve, and detachable knot is equipped between institute's displacement sensors and the gas side end cap
Structure.
4. the accumulator according to claim 3 for monitoring piston displacement, which is characterized in that the detachable structure is spiral shell
Line connection.
5. the accumulator according to claim 1 for monitoring piston displacement, which is characterized in that the center sleeve with it is described
Oily side end cap is to be fixedly connected, between the center sleeve and the piston and/or the center sleeve and the gas side end cap
Between be equipped with the first sealing ring.
6. the accumulator according to any one of claims 1-5 for monitoring piston displacement, which is characterized in that the displacement
Sensor further includes permanent-magnetic clamp, and the permanent-magnetic clamp is sheathed on the center sleeve, the permanent-magnetic clamp be located at the gas chamber and
The permanent-magnetic clamp is connected with the piston.
7. the accumulator according to claim 6 for monitoring piston displacement, which is characterized in that the piston is located at the gas
The side of chamber is equipped with round recessed, and the permanent-magnetic clamp is bolted in the round recessed.
8. the accumulator according to any one of claims 1-5 for monitoring piston displacement, which is characterized in that the gas side
Screwed ring and/or the second sealing ring are equipped between end cap and the cylinder body；Spiral shell is equipped between the oil side end cap and the cylinder body
Line ring and/or the second sealing ring；Multiple groups sealing ring is equipped between the piston and the inner wall of the cylinder body.
9. the accumulator according to claim 8 for monitoring piston displacement, which is characterized in that the piston is located at the gas
The side of chamber is equipped with first group of sealing ring, and the other side that the piston is located at the oil-in chamber is equipped with second group of sealing ring.
10. the accumulator according to claim 9 for monitoring piston displacement, which is characterized in that the piston is described
Ring groove is equipped between one group of sealing ring and second group of sealing ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820575984.XU CN208236788U (en) | 2018-04-20 | 2018-04-20 | A kind of accumulator monitoring piston displacement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820575984.XU CN208236788U (en) | 2018-04-20 | 2018-04-20 | A kind of accumulator monitoring piston displacement |
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| Publication Number | Publication Date |
|---|---|
| CN208236788U true CN208236788U (en) | 2018-12-14 |
Family
ID=64583867
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820575984.XU Active CN208236788U (en) | 2018-04-20 | 2018-04-20 | A kind of accumulator monitoring piston displacement |
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| CN (1) | CN208236788U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108518367A (en) * | 2018-04-20 | 2018-09-11 | 广州文冲船厂有限责任公司 | A kind of piston accumulator |
| CN116241515A (en) * | 2023-03-02 | 2023-06-09 | 布柯玛蓄能器（天津）有限公司 | Piston type energy accumulator |
-
2018
- 2018-04-20 CN CN201820575984.XU patent/CN208236788U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108518367A (en) * | 2018-04-20 | 2018-09-11 | 广州文冲船厂有限责任公司 | A kind of piston accumulator |
| CN116241515A (en) * | 2023-03-02 | 2023-06-09 | 布柯玛蓄能器（天津）有限公司 | Piston type energy accumulator |
| CN116241515B (en) * | 2023-03-02 | 2023-08-11 | 布柯玛蓄能器（天津）有限公司 | Piston type energy accumulator |
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