CN208749712U - A kind of hydraulic breaking hammer of good airproof performance - Google Patents
A kind of hydraulic breaking hammer of good airproof performance Download PDFInfo
- Publication number
- CN208749712U CN208749712U CN201821238420.3U CN201821238420U CN208749712U CN 208749712 U CN208749712 U CN 208749712U CN 201821238420 U CN201821238420 U CN 201821238420U CN 208749712 U CN208749712 U CN 208749712U
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- sealing ring
- groove
- annular groove
- upper cylinder
- wall
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Abstract
The utility model discloses a kind of hydraulic breaking hammers of good airproof performance, including upper cylinder half and run through bolt, the bottom of the upper cylinder half opens up fluted, and upper cylinder half has been bolted middle cylinder by running through, the first groove and the second groove are offered in the middle part of middle cylinder, and first is provided with impact piston in groove, the outer wall of middle cylinder offers first annular slot, second annular groove and third annular groove, the first sealing ring is provided in first annular slot, the second sealing ring is provided in second annular groove, third sealing ring is provided in third annular groove, the notch of third sealing ring can accept the liquid of inflow, liquid is wrapped, liquid is avoided further to trickle, air pressure is different from the air pressure of the first sealing ring and the outer wall of the second sealing ring in the notch of first sealing ring and the second sealing ring, it is closer to make upper cylinder half connect with middle cylinder, avoid oil liquid from upper cylinder half and The joint of middle cylinder is flowed out, and prevents cylinder body oil leak from impacting to hydraulic breaking hammer work.
Description
Technical field
The utility model relates to hydraulic breaking hammer technical field more particularly to a kind of hydraulic breaking hammers of good airproof performance.
Background technique
Hydraulic breaking hammer is by the equipment of hydraulic oil driving work, its unique working principle and severe building ring
Border determines critical role of the sealing system of hydraulic breaking hammer in entire quartering hammer, seals solution party used by quartering hammer
Case and used oil sealing quality are sufficiently reflected the quality of hydraulic breaking hammer, specified work when quartering hammer works
It is 16-18MPa as oil pressure, but the oil pressure peak value generated when work can be significantly larger than its nominal operation oil pressure, the movement frequency of piston
Rate reaches 800-1000 beats/min, so cylinder body sealing quality directly affects work quality and the service life of quartering hammer, especially
It is higher that cylinder body top oil sealing smashes spoilage, upper cylinder half and middle cylinder the case where there are secondary operation, it is difficult to ensure that upper cylinder half and middle cylinder
Concentricity makes cylinder body poor sealing, to cause hydraulic breaking hammer in the oil of middle cylinder body drain in actual work.
Summary of the invention
Based on cylinder body poor sealing present in background technique, the problem of being easy oil leak, the utility model proposes one
The hydraulic breaking hammer of kind good airproof performance.
To achieve the goals above, the utility model adopts the technical scheme that
A kind of hydraulic breaking hammer of good airproof performance, including upper cylinder half and run through bolt, the bottom of the upper cylinder half open up it is fluted,
And upper cylinder half passes through through being bolted middle cylinder, offers the first groove and the second groove in the middle part of the middle cylinder, described first
Groove and the second groove part are cylinder, and impact piston is provided in the second groove, and the outer wall of the middle cylinder offers first
Annular groove, the second annular groove and third annular groove are provided with the first sealing ring, second annular groove in the first annular slot
It is inside provided with the second sealing ring, is provided with third sealing ring in the third annular groove.
Preferably, the first annular slot and the second annular groove are all circular ring shape, and first annular slot and the second annular groove
Diameter it is identical, first annular slot position is in the surface of the second annular groove.
Preferably, opening up at the top of first sealing ring there are two section is trapezoidal notch, the bottom of the first sealing ring
It is rectangular notch that portion, which offers section, and the inner wall of the first sealing ring is contacted with the inner wall of first annular slot, the first sealing
The outer wall of circle is contacted with upper cylinder half.
Preferably, top, bottom and the inner wall of second sealing ring offer section all as the notch of triangle, and the
The inner wall contact of two sealing rings has the inner wall of the second annular groove, and the outer wall contact of the second sealing ring has upper cylinder half.
Preferably, the quantity through bolt is four, and symmetrical about the central axes of upper cylinder half through bolt.
Preferably, the third sealing ring is circular ring shape, and identical lack is offered at the top and bottom of third sealing ring
Mouthful, indentations section is isosceles trapezoid, and third sealing ring is H-shaped.
The beneficial effects of the utility model are:
Third sealing ring is completely embedded upper cylinder half and middle cylinder due to the elastic force of third sealing ring full of third annular groove, the
The notch of three sealing rings can accept the liquid of inflow, and liquid is wrapped, and avoid further trickling, the first sealing ring and second close
Air pressure is different from the air pressure of the first sealing ring and the outer wall of the second sealing ring in the notch of seal, makes the first sealing ring full of first
Annular groove, the second sealing ring is full of the second annular groove, so that it is closer to connect upper cylinder half with middle cylinder, avoids oil liquid from upper cylinder half in
The joint of cylinder is flowed out, and is prevented cylinder body oil leak from impacting to hydraulic breaking hammer work, is reduced working efficiency.
Detailed description of the invention
Fig. 1 be the utility model proposes a kind of good airproof performance hydraulic breaking hammer structure sectional view；
Fig. 2 be the utility model proposes a kind of good airproof performance hydraulic breaking hammer middle cylinder schematic enlarged-scale view.
In figure: 1 upper cylinder half, 2 through bolt, 3 middle cylinders, 4 first grooves, 5 second grooves, 6 impact pistons, 7 first annular slots,
8 second annular grooves, 9 first sealing rings, 10 second sealing rings, 11 third annular grooves, 12 third sealing rings.
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.
Referring to Fig.1-2, a kind of hydraulic breaking hammer of good airproof performance, including upper cylinder half 1 and run through bolt 2, the bottom of upper cylinder half 1 is opened
Equipped with groove, and upper cylinder half 1, by being connected with middle cylinder 3 through bolt 2, the quantity through bolt 2 is four, and closes through bolt 2
Symmetrical in the central axes of upper cylinder half 1, the middle part of middle cylinder 3 offers the first groove 4 and the second groove 5, the first groove 4 and the second groove
5 be all cylinder, and the first groove 4 is located at the surface of the second groove 5, and the diameter of the first groove 4 is straight less than the second groove 5
Diameter is provided with impact piston 6 in the second groove 5, and the first groove 4 and the second groove 5 facilitate impact piston 6 to move, middle cylinder 3 it is outer
Wall offers first annular slot 7, the second annular groove 8 and third annular groove 11, is provided with the first sealing ring 9 in first annular slot 7,
It is provided with the second sealing ring 10 in second annular groove 8, third sealing ring 12, first annular slot 7 are provided in third annular groove 11
It is all circular ring shape with the second annular groove 8, and first annular slot 7 is identical with the diameter of the second annular groove 8, first annular slot 7 is located at
The surface of second annular groove 8, it is trapezoidal notch that the top of the first sealing ring 9, which is opened up there are two section, the first sealing ring 9
It is rectangular notch that bottom, which offers section, and the inner wall of the first sealing ring 9 is contacted with the inner wall of first annular slot 7, first
The outer wall of sealing ring 9 is contacted with upper cylinder half 1, and it is triangle that top, bottom and the inner wall of the second sealing ring 10, which all offer section,
Notch, and the inner wall contact of the second sealing ring 10 has the inner wall of the second annular groove 8, the outer wall contact of the second sealing ring 10 has upper cylinder half
1, third sealing ring 12 is circular ring shape, and the top and bottom of third sealing ring 12 offer identical notch, and indentations section is
Isosceles trapezoid, third sealing ring 12 are H-shaped.
In the present embodiment, by the way that upper cylinder half 1 and middle cylinder 3 be completely embedded through bolt 2, the top of third sealing ring 12 with it is upper
Cylinder 1 contacts, and external dust and liquid can be stopped to enter, upper cylinder half 1 and 3 mutual extrusion of middle cylinder, third sealing ring 12 can be made because
It plays shape and generates certain support force, and third sealing ring 12 is H-shaped, the notch of third sealing ring 12 can accept the liquid of inflow
Body wraps liquid, avoids further trickling, and in first annular slot 7, the second 10 sets of sealing ring exists the first 9 sets of sealing ring
In second annular groove 8, the first sealing ring 9 and the second sealing ring 10 can have extruding force, while the first sealing due to elasticity to upper cylinder half 1
Circle 9 and second sealing ring 10 notch in be filled with air, due in notch air pressure and the first sealing ring 9 and the second sealing ring
The air pressure of 10 outer wall is different, makes the first sealing ring 9 full of first annular slot 7, and the second sealing ring 10 is full of the second annular groove 8,
It is closer to make upper cylinder half 1 and middle cylinder 3 connect, it avoids oil liquid from flowing out from the joint of upper cylinder half 1 and middle cylinder 3, prevents cylinder body oil leak
Hydraulic breaking hammer work is impacted, working efficiency is reduced.
The preferable specific embodiment of the above, only the utility model, but the protection scope of the utility model is not
It is confined to this, anyone skilled in the art is within the technical scope disclosed by the utility model, practical according to this
Novel technical solution and its utility model design are subject to equivalent substitution or change, should all cover the protection model in the utility model
Within enclosing.
Claims (6)
1. a kind of hydraulic breaking hammer of good airproof performance, including upper cylinder half (1) and run through bolt (2), which is characterized in that the upper cylinder half
(1) bottom opens up fluted, and upper cylinder half (1) is opened in the middle part of the middle cylinder (3) by being connected with middle cylinder (3) through bolt (2)
Equipped with the first groove (4) and the second groove (5), first groove (4) and the second groove (5) are all cylinder, and second is recessed
Is provided with impact piston (6) in slot (5), the outer wall of the middle cylinder (3) offer first annular slot (7), the second annular groove (8) and
Third annular groove (11), the first annular slot (7) is interior to be provided with the first sealing ring (9), setting in second annular groove (8)
Have the second sealing ring (10), is provided with third sealing ring (12) in the third annular groove (11).
2. a kind of hydraulic breaking hammer of good airproof performance according to claim 1, which is characterized in that the first annular slot
(7) and the second annular groove (8) is all circular ring shape, and first annular slot (7) is identical with the diameter of the second annular groove (8), the first ring
Shape slot (7) is located at the surface of the second annular groove (8).
3. a kind of hydraulic breaking hammer of good airproof performance according to claim 1, which is characterized in that first sealing ring
(9) being opened up at the top of there are two section is trapezoidal notch, and it is rectangular lack that the bottom of the first sealing ring (9), which offers section,
Mouthful, and the inner wall of the first sealing ring (9) is contacted with the inner wall of first annular slot (7), the outer wall and upper cylinder half of the first sealing ring (9)
(1) it contacts.
4. a kind of hydraulic breaking hammer of good airproof performance according to claim 1, which is characterized in that second sealing ring
(10) top, bottom and inner wall all offers the notch that section is triangle, and the inner wall contact of the second sealing ring (10) has
The outer wall contact of the inner wall of second annular groove (8), the second sealing ring (10) has upper cylinder half (1).
5. a kind of hydraulic breaking hammer of good airproof performance according to claim 1, which is characterized in that described to run through bolt (2)
Quantity be four, and through bolt (2) it is symmetrical about the central axes of upper cylinder half (1).
6. a kind of hydraulic breaking hammer of good airproof performance according to claim 1, which is characterized in that the third sealing ring
(12) it is circular ring shape, and offers identical notch at the top and bottom of third sealing ring (12), indentations section is isosceles trapezoid,
Third sealing ring (12) is H-shaped.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821238420.3U CN208749712U (en) | 2018-08-02 | 2018-08-02 | A kind of hydraulic breaking hammer of good airproof performance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821238420.3U CN208749712U (en) | 2018-08-02 | 2018-08-02 | A kind of hydraulic breaking hammer of good airproof performance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208749712U true CN208749712U (en) | 2019-04-16 |
Family
ID=66058805
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821238420.3U Expired - Fee Related CN208749712U (en) | 2018-08-02 | 2018-08-02 | A kind of hydraulic breaking hammer of good airproof performance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208749712U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110067277A (en) * | 2019-05-27 | 2019-07-30 | 马鞍山市卡迈特液压机械制造有限公司 | A kind of hydraulic breaking hammer middle cylinder component |
-
2018
- 2018-08-02 CN CN201821238420.3U patent/CN208749712U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110067277A (en) * | 2019-05-27 | 2019-07-30 | 马鞍山市卡迈特液压机械制造有限公司 | A kind of hydraulic breaking hammer middle cylinder component |
| CN110067277B (en) * | 2019-05-27 | 2024-01-23 | 马鞍山卡迈特液压机械股份有限公司 | Middle cylinder part of hydraulic breaking hammer |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20210914 Address after: Han Jiang Zhen Hong hori Jiu Long Shan, Shishi City, Quanzhou City, Fujian Province 362700 Patentee after: FUJIAN TONGXING AUTOMOBILE SYNCHRONIZERS Co.,Ltd. Address before: 300000 room 3060, management committee of Tianjin land port logistics equipment Industrial Park, Beichen District, Tianjin Patentee before: TIANJIN PAIWODE TECHNOLOGY Co.,Ltd. |
|
| TR01 | Transfer of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190416 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |