CN209638122U - It is provided with the quarry tipper accumulator of piston sealing device - Google Patents
It is provided with the quarry tipper accumulator of piston sealing device Download PDFInfo
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- CN209638122U CN209638122U CN201822155330.4U CN201822155330U CN209638122U CN 209638122 U CN209638122 U CN 209638122U CN 201822155330 U CN201822155330 U CN 201822155330U CN 209638122 U CN209638122 U CN 209638122U
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- piston
- counterbore
- sealing device
- annular groove
- bottom cover
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Abstract
The utility model discloses a kind of quarry tipper accumulators for being provided with piston sealing device, comprising: cylinder barrel, piston, top cover, bottom cover, top cover, bottom cover are connected to the top and bottom of cylinder barrel, and piston is mounted on the inside of cylinder barrel；It is opened on the side wall of piston there are three piston ring groove, bidirectional piston sealing is installed, installation is furnished with relief arrangement on the piston between every two groups of piston seals in piston ring groove.The utility model structure is simple, facilitates control, good seal performance, can satisfy mine car and is subjected to dynamic loading.
Description
Technical field
The utility model relates to a kind of off-highway quarry tippers, specifically, are related to one kind and are provided with piston sealing device
Quarry tipper accumulator.
Background technique
Often traveling is on the more mine in bend, ramp for off-highway quarry tipper (hereinafter referred to as " mine car "), mine
Must have reliable, flexible steering and braking ability with vehicle, it is desirable that it is turned to and brake energy storage device has superior dynamic steady
Qualitative energy, the sealing device that mine car accumulator piston generallys use currently on the market, structure are as follows: be one between cylinder barrel and piston
A bidirectional piston sealing ring adds two one-way piston sealings or a bidirectional piston sealing plus wear ring.Such sealing
Form easily leaks, so that the reliability of accumulator reduces, and then influences steering and the insensitivity of vehicle, while also can
Reduce the service life of each component of hydraulic system.
Utility model content
The technical issues of the utility model is solved is to provide a kind of quarry tipper storage for being provided with piston sealing device
Energy device, structure is simple, facilitates control, good seal performance, can satisfy mine car and is subjected to dynamic loading.
Technical solution is as follows:
A kind of quarry tipper accumulator being provided with piston sealing device, including piston, be provided on the side wall of piston to
Lack two groups of piston ring grooves, bidirectional piston sealing is installed in piston ring groove；The structure of relief arrangement includes: screw, slinky spring, steel
Ball and O-ring, screw axial are provided with through-hole；Between screw, O-ring, slinky spring is located at screw, steel for slinky spring, steel ball
Between ball；Piston is provided with the first counterbore, the second counterbore on top, and the first off-load annular groove is provided on side wall；First counterbore is opened
Mouthful be located at upper piston area, the first counterbore, the second counterbore be connected, and the second counterbore is located at the first counterbore lower part, the second counterbore it is interior
Internal diameter of the diameter less than the first counterbore；First interface channel is connected between the second counterbore and the first off-load annular groove；Piston is in lower part
It is provided with third counterbore, the 4th counterbore, the second off-load annular groove is provided on side wall；The opening of third counterbore is located at piston lower portion, the
Three counterbores, the 4th counterbore are connected, and the 4th counterbore is located at third counterbore top, and the internal diameter of the 4th counterbore is less than the interior of third counterbore
Diameter；Second interface channel is connected between the 4th counterbore and the second off-load annular groove；Relief arrangement includes: the first relief arrangement,
Two relief arrangements；First relief arrangement is mounted in the first counterbore, and the second relief arrangement is mounted in third counterbore.
Further, the first counterbore, be provided with internal screw thread in third counterbore, two screws are connected to two internal screw threads.
Further, three groups of piston ring grooves are provided on the side wall of piston, the first relief arrangement is arranged in two work of upper piston area
Between plug sealing, for eliminating the tired pressure phenomenon between two piston seals of upper piston area；Second relief arrangement is arranged in piston
Between the piston seal of lower part two, for eliminating the tired pressure phenomenon between two piston seals of piston lower portion.
Further, further includes: cylinder barrel 1, top cover 3, bottom cover 4, top cover, bottom cover are connected to the top and bottom of cylinder barrel,
Piston is mounted on the inside of cylinder barrel.
Further, upper piston area is filled with nitrogen, and piston lower portion is filled with hydraulic oil.
Further, top cover is connected through a screw thread the top that mode is connected to cylinder barrel；Top cover is provided with top cover annular groove on side wall,
Top seal ring is installed in top cover annular groove；Top cover is provided with inflation through-hole, inflates and is equipped with air valve on through-hole, inflates through-hole two
Side is provided with connection screw thread counterbore, and connection bolt is mounted in connection screw thread counterbore, and air valve protection cap is fixed on the upper of air valve
Portion.
Further, bottom cover is connected through a screw thread the lower part that mode is connected to cylinder barrel, and bottom cover is provided with oilhole, and bottom cover is in side wall
On be provided with bottom cover annular groove, bottom cover sealing ring is installed in bottom cover annular groove.
Further, the inner wall of oilhole is provided with connection internal screw thread, and inflation through-hole is connected with air valve using engagement thread.
The utility model technical effect includes:
The utility model structure is simple, facilitates control, good seal performance, can satisfy mine car and is subjected to dynamic loading, makes non-
Stability, the reliability of road mining vehicle accumulator greatly improve, and preferably ensure that quarry tipper braking and turn to reliable
Property.The utility model between the cylinder barrel and piston of accumulator more increases the sealing of twice bidirectional piston, improves accumulator and is subjected to
The sealing performance of dynamic loading provides reliable guarantee for mine car braking and steering；It is equipped between the sealing of twice bidirectional piston
Relief arrangement avoids generating tired pressure.The utility model meets the sealing of accumulator by using novel piston sealing device
Performance improves the reliability of accumulator.
Detailed description of the invention
Fig. 1 is the structural schematic diagram that the quarry tipper accumulator of piston sealing device is provided in the utility model；
Fig. 2 is the partial enlarged view of relief arrangement in Fig. 1.
Specific embodiment
The specific embodiment for fully showing the utility model is described below, to enable those skilled in the art to reality
It tramples and reproduces.
As shown in Figure 1, being to be provided with the structure of the quarry tipper accumulator of piston sealing device in the utility model to show
It is intended to；As shown in Fig. 2, being the partial enlarged view of relief arrangement in Fig. 1.
The structure for being provided with the quarry tipper accumulator of piston sealing device includes: cylinder barrel 1, piston 2, top cover 3, bottom cover
4, top cover 3, bottom cover 4 are connected to the top and bottom of cylinder barrel 1, and piston 2 is mounted on the inside of cylinder barrel 1.2 top of piston filled with
Dry nitrogen 5,6 inflow and outflow of hydraulic oil is arranged at 2 lower part of piston when accumulator works.
Top cover 3 is connected through a screw thread the top that mode is connected to cylinder barrel 1；Top cover 3 is provided with top cover annular groove, top cover on side wall
Top seal ring 31 is installed in annular groove；Top cover 3 is provided with inflation through-hole 32, inflates and is equipped with air valve 33 on through-hole 32, inflates
32 two sides of through-hole are provided with connection screw thread counterbore, and connection bolt is mounted in connection screw thread counterbore, and air valve protection cap 34 passes through company
Connecting bolt is connected to the top of air valve 33.The connection for inflating through-hole 32 and air valve 33 uses thread connecting mode.
Bottom cover 4 is connected through a screw thread the lower part that mode is connected to cylinder barrel 1, and bottom cover 4 is provided with oilhole 42.Bottom cover 4 is in side wall
On be provided with bottom cover annular groove, bottom cover sealing ring 41 is installed in bottom cover annular groove.The inner wall of oilhole 41 is provided with connection internal screw thread.
It is opened on the side wall of piston 2 there are three piston ring groove, bidirectional piston sealing 21, every two groups of work is installed in piston ring groove
Installation is furnished with relief arrangement on piston 2 between plug sealing 3.The structure of relief arrangement includes: screw 24, slinky spring 25, steel ball
26 and O-ring 27.Screw 24 is axial to be provided with through-hole.
Relief arrangement includes: the first relief arrangement 22, the second relief arrangement 23.
First relief arrangement 22 is arranged between two, portion piston seal 21 on the piston 2, for eliminating two, 2 top of piston
Tired pressure phenomenon between piston seal 21.Piston 2 is provided with the first counterbore, the second counterbore on top, and first is provided on side wall and is unloaded
Lotus annular groove；The opening of first counterbore is located at 2 top of piston, and the first counterbore, the second counterbore are connected, and it is heavy that the second counterbore is located at first
Hole lower part, the internal diameter of the internal diameter of the second counterbore less than the first counterbore；First interface channel is connected to the second counterbore and the first off-load
Between annular groove；First counterbore is provided with internal screw thread, and screw 24, slinky spring 25, steel ball 26 and O-ring 27 are mounted on the first counterbore
Interior, slinky spring 25, steel ball 26 are between screw 24, O-ring 27, and slinky spring 25 is between screw 24, steel ball 26.Work as nitrogen
5 when accumulating between the piston seal 21 of two, 2 top of piston, and if will appear tired pressure phenomenon without exporting, nitrogen 5 is unloaded from first
Lotus annular groove enters the first interface channel；Since the pressure of the nitrogen 5 accumulated in the first unloading zones is greater than the nitrogen 5 on 2 top of piston
Pressure, nitrogen 5 can open steel ball 26 after entering the second counterbore, and nitrogen 5 enters the first counterbore, again by the through-hole of screw 24
Into 2 upper space of piston, tired pressure phenomenon is eliminated.After tired pressure is eliminated, steel ball 26 is against O under the pressure of slinky spring 25 again
On shape circle 27, close passage.
Second relief arrangement 23 is arranged between the piston seal 21 of piston 2 lower part two, for eliminating 2 lower part of piston two
Tired pressure phenomenon between piston seal 21.Piston 2 is provided with third counterbore, the 4th counterbore in lower part, and second is provided on side wall and is unloaded
Lotus annular groove；The opening of third counterbore is located at 2 lower part of piston, and third counterbore, the 4th counterbore are connected, and the 4th counterbore is heavy positioned at third
Hole top, the internal diameter of the 4th counterbore are less than the internal diameter of third counterbore；Second interface channel is connected to the 4th counterbore and the second off-load
Between annular groove；Third counterbore is provided with internal screw thread, and screw 24, slinky spring 25, steel ball 26 and O-ring 27 are mounted on third counterbore
Interior, slinky spring 25, steel ball 26 are between screw 24, O-ring 27, and slinky spring 25 is between screw 24, steel ball 26.When hydraulic
Oil 6 is when accumulating between the piston seal 21 of piston 2 lower part two, and if will appear tired pressure phenomenon without exporting, hydraulic oil 6 is from the
Two off-load annular grooves enter the second interface channel；The pressure for the hydraulic oil 6 deposited due to the second off-load annular groove inner product is greater than 2 lower part of piston
Hydraulic oil 6 pressure, hydraulic oil 6 can open steel ball 26 after the second interface channel enters the 4th counterbore, and hydraulic oil 6 enters the
Three counterbores reenter 2 lower space of piston by the through-hole of screw 24, eliminate tired pressure phenomenon.After tired pressure is eliminated, steel ball 26
It is against on O-ring 27 again under the pressure of slinky spring 25, close passage.
When a vehicle is started, accumulator lower part is filled with hydraulic oil 6, and the energy for storing accumulator is with the shape of compressed nitrogen 5
Formula exists, and accumulator is to be separated air cavity and oil pocket using piston 2.When mine car turns to or brakes, using accumulator fuel feeding.
Three groups of bidirectional pistons sealing 21 between cylinder barrel 4 and piston 2 plays the role of triple seal, can effectively reduce leakage, pole
The big reliability for improving accumulator.But due to being also easy to produce tired pressure phenomenon between two groups of bidirectional piston sealings 21, therebetween
Equipped with relief arrangement, the generation of tired pressure is efficiently solved.
Term used in the utility model is explanation and term exemplary, and not restrictive.Due to the utility model energy
The enough spirit or essence being embodied in a variety of forms without departing from utility model, it should therefore be appreciated that above-described embodiment is unlimited
In any details above-mentioned, and should widely explain within the spirit and scope of the appended claims, therefore fall into power
Whole change and modification in benefit requirement or its equivalent scope all should be appended claims and be covered.
Claims (8)
1. a kind of quarry tipper accumulator for being provided with piston sealing device, including piston, which is characterized in that the side wall of piston
On be provided at least two groups piston ring groove, be equipped in piston ring groove bidirectional piston sealing；The structure of relief arrangement include: screw,
Slinky spring, steel ball and O-ring, screw axial are provided with through-hole；Slinky spring, steel ball are between screw, O-ring, slinky spring position
Between screw, steel ball；Piston is provided with the first counterbore, the second counterbore on top, and the first off-load annular groove is provided on side wall；First
The opening of counterbore is located at upper piston area, and the first counterbore, the second counterbore are connected, and the second counterbore is located at the first counterbore lower part, and second
Internal diameter of the internal diameter of counterbore less than the first counterbore；First interface channel is connected between the second counterbore and the first off-load annular groove；It is living
Plug is provided with third counterbore, the 4th counterbore in lower part, and the second off-load annular groove is provided on side wall；The opening of third counterbore is located at piston
Lower part, third counterbore, the 4th counterbore are connected, and the 4th counterbore is located at third counterbore top, and the internal diameter of the 4th counterbore is less than third
The internal diameter of counterbore；Second interface channel is connected between the 4th counterbore and the second off-load annular groove；Relief arrangement includes: the first off-load
Device, the second relief arrangement；First relief arrangement is mounted in the first counterbore, and the second relief arrangement is mounted in third counterbore.
2. being provided with the quarry tipper accumulator of piston sealing device as described in claim 1, which is characterized in that first is heavy
Internal screw thread is provided in hole, third counterbore, two screws are connected to two internal screw threads.
3. being provided with the quarry tipper accumulator of piston sealing device as described in claim 1, which is characterized in that the side of piston
Three groups of piston ring grooves are provided on wall, the first relief arrangement is arranged between two piston seals of upper piston area, for eliminating piston
Tired pressure phenomenon between the piston seal of two, top；Second relief arrangement is arranged between two piston seals of piston lower portion, uses
Tired pressure phenomenon between elimination two piston seals of piston lower portion.
4. being provided with the quarry tipper accumulator of piston sealing device as described in claim 1, which is characterized in that further include:
Cylinder barrel (1), top cover (3), bottom cover (4), top cover, bottom cover are connected to the top and bottom of cylinder barrel, and piston is mounted on cylinder barrel
It is internal.
5. being provided with the quarry tipper accumulator of piston sealing device as claimed in claim 4, which is characterized in that upper piston area
Filled with nitrogen, piston lower portion is filled with hydraulic oil.
6. being provided with the quarry tipper accumulator of piston sealing device as claimed in claim 4, which is characterized in that top cover passes through
Thread connecting mode is connected to the top of cylinder barrel；Top cover is provided with top cover annular groove on side wall, and it is close to be equipped with top cover in top cover annular groove
Seal ring；Top cover is provided with inflation through-hole, inflates and is equipped with air valve on through-hole, and inflation through-hole two sides are provided with connection screw thread counterbore,
Connection bolt is mounted in connection screw thread counterbore, and air valve protection cap is fixed on to the top of air valve.
7. being provided with the quarry tipper accumulator of piston sealing device as claimed in claim 4, which is characterized in that bottom cover passes through
Thread connecting mode is connected to the lower part of cylinder barrel, and bottom cover is provided with oilhole, and bottom cover is provided with bottom cover annular groove, bottom cover annular groove on side wall
Bottom cover sealing ring is inside installed.
8. being provided with the quarry tipper accumulator of piston sealing device as claimed in claim 7, which is characterized in that oilhole it is interior
Wall is provided with connection internal screw thread, and inflation through-hole is connected with air valve using engagement thread.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822155330.4U CN209638122U (en) | 2018-12-21 | 2018-12-21 | It is provided with the quarry tipper accumulator of piston sealing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822155330.4U CN209638122U (en) | 2018-12-21 | 2018-12-21 | It is provided with the quarry tipper accumulator of piston sealing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209638122U true CN209638122U (en) | 2019-11-15 |
Family
ID=68473904
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822155330.4U Active CN209638122U (en) | 2018-12-21 | 2018-12-21 | It is provided with the quarry tipper accumulator of piston sealing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209638122U (en) |
-
2018
- 2018-12-21 CN CN201822155330.4U patent/CN209638122U/en active Active
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