CN112726707B - Hydraulic breaking hammer piston ring improvement process - Google Patents
Hydraulic breaking hammer piston ring improvement process Download PDFInfo
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- CN112726707B CN112726707B CN202011617676.7A CN202011617676A CN112726707B CN 112726707 B CN112726707 B CN 112726707B CN 202011617676 A CN202011617676 A CN 202011617676A CN 112726707 B CN112726707 B CN 112726707B
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- piston ring
- ring
- piston
- wear
- support ring
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F3/00—Dredgers; Soil-shifting machines
- E02F3/04—Dredgers; Soil-shifting machines mechanically-driven
- E02F3/96—Dredgers; Soil-shifting machines mechanically-driven with arrangements for alternate or simultaneous use of different digging elements
- E02F3/966—Dredgers; Soil-shifting machines mechanically-driven with arrangements for alternate or simultaneous use of different digging elements of hammer-type tools
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Mining & Mineral Resources (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Pistons, Piston Rings, And Cylinders (AREA)
- Earth Drilling (AREA)
Abstract
The invention discloses an improved process of a hydraulic breaking hammer piston ring, which relates to the technical field of hydraulic breaking hammer piston rings and has the technical scheme key points that the process steps are as follows: 1) selecting a proper nodular cast steel material according to the size of the piston ring; 2) marking the surface of the selected ductile cast steel material; 3) cutting the scribed line on the surface of the nodular cast steel material to obtain a preliminarily molded piston ring; 4) deburring the preliminarily formed piston ring; 5) after the deburring treatment of the piston ring is finished, a Stent seal is arranged in the piston ring; 6) after the step seal is installed, a wear-resistant support ring is additionally installed inside the piston ring; 7) the installation of wear-resisting support ring finishes, and piston ring preparation accomplishes the effect and is through setting up wear-resisting support ring, and wear-resisting support ring plays hard supporting role, and the piston of quartering hammer can not lead to piston and piston ring to pull because of the dead weight of piston during operation and quartering hammer during operation tilt's the reason when moving the top.
Description
Technical Field
The invention relates to the technical field of hydraulic breaking hammer piston rings, in particular to an improved process of a hydraulic breaking hammer piston ring.
Background
The hydraulic breaking hammer is a novel hydraulic impact machine, a hydraulic pump is used as a power source, oil pressure is used as power, high-speed reciprocating motion of a breaker piston in a cylinder body is realized by high-pressure oil output by a working mother machine during working, a drill rod is struck, and a drill point is enabled to carry out breaking operation on rocks from the surface.
In the hydraulic breaking hammer working process, due to the dead weight of the piston, although the piston has an oil film to play a supporting role in the up-and-down movement, due to the fact that the dead weight of the piston is too heavy, the piston is difficult to play a supporting role by means of the existing Stent seal, when the piston moves to the uppermost part, the piston tilts and touches the piston ring due to the dead weight and the inclination of the breaking hammer, and therefore the piston and the piston ring are pulled to be damaged, and equipment is damaged and production is influenced.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide an improved process for a piston ring of a hydraulic breaking hammer, which reduces the strain injury of a piston and the piston ring.
In order to achieve the purpose, the invention provides the following technical scheme: an improved process for a hydraulic breaking hammer piston ring comprises the following process steps:
1) selecting a proper nodular cast steel material according to the size of the piston ring;
2) marking the surface of the selected ductile cast steel material;
3) cutting the scribed line on the surface of the nodular cast steel material to obtain a preliminarily molded piston ring;
4) deburring the preliminarily formed piston ring;
5) after the deburring treatment of the piston ring is finished, a Stent seal is arranged in the piston ring;
6) after the step seal is installed, a wear-resistant support ring is additionally installed inside the piston ring;
7) and finishing the installation of the wear-resistant support ring and finishing the preparation of the piston ring.
Preferably, the piston ring is internally provided with a piston which slides along an inner cavity of the piston ring.
Preferably, a plurality of Stent seals are fixedly connected to the inner cavity of the piston ring.
Preferably, the steckel seal comprises a support ring and an O-ring, the O-ring is fixedly mounted inside the support ring, a plurality of first grooves are formed in an inner cavity of the piston ring, and the support ring is fixedly mounted inside the first grooves.
Preferably, the inner cavity of the piston ring is provided with a second groove, a wear-resistant support ring is arranged inside the second groove, and the wear-resistant support ring is located among the support rings.
Preferably, the wear-resistant support ring is composed of a first part, a second part, a third part and a fourth part, the first part, the second part, the third part and the fourth part on the wear-resistant support ring are all designed in a quarter circular arc, and the first part, the second part, the third part and the fourth part on the wear-resistant support ring are all detachably connected with an inner cavity of the piston ring.
Preferably, the first part, the second part, the third part and the fourth part of the wear-resistant support ring are provided with openings on the sides facing away from the piston ring, the first part, the second part, the third part and the fourth part of the wear-resistant support ring are connected with the piston ring through screws, and the screws are positioned in the openings.
Preferably, a rectangular groove is formed in one side, located at the opening, of the inner cavity of the piston ring, a sliding plate is connected to the inside of the rectangular groove in a sliding mode, and when the sliding plate covers the opening, one side, close to the screw, of the sliding plate is attached to the screw.
Preferably, the rectangular groove is far away from the groove wall fixedly connected with spring of opening one end, the one end and the slide fixed connection of rectangular groove cell wall are kept away from to the spring, one side fixedly connected with brace that the slide deviates from the screw, and the brace is located the one end that the spring was kept away from to the slide.
By adopting the technical scheme, the method has the advantages that,
1. through setting up wear-resisting support ring, wear-resisting support ring plays the hard supporting role, and the piston of quartering hammer can not lead to piston and piston ring to pull because of the dead weight of piston during operation and quartering hammer during operation tilt when moving the top.
2. By arranging the wear-resistant support ring into four parts, namely the first part, the second part, the third part and the fourth part, when the wear-resistant support ring is worn, the wear-resistant support ring is convenient to replace and install, and the service life of the device is prolonged.
Drawings
FIG. 1 is a schematic diagram of an embodiment of the present invention;
FIG. 2 is a cross-sectional view of a piston ring according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of a support ring according to an embodiment of the present invention.
1. A piston; 2. a piston ring; 3. a support ring; 4. a wear-resistant support ring; 5. an opening; 6. a slide plate; 7. bracing; 8. a screw; 9. a rectangular groove; 10. a spring; 11. an O-shaped ring; 12. a first groove; 13. a second groove.
Detailed Description
An embodiment of the present invention of a hydraulic breaking hammer piston ring improvement process is further described with reference to fig. 1 to 3.
An improved process of a hydraulic breaking hammer piston ring is shown in figure 1, and comprises the following process steps:
1) selecting a proper nodular cast steel material according to the size of the piston ring 2;
2) marking the surface of the selected ductile cast steel material;
3) cutting the scribed line on the surface of the nodular cast steel material to obtain a preliminarily molded piston ring 2;
4) deburring the preliminarily molded piston ring 2;
5) after the deburring treatment of the piston ring 2 is finished, a Stent seal is arranged inside the piston ring 2;
6) after the step seal is installed, a wear-resistant support ring 4 is additionally arranged inside the piston ring 2;
7) and finishing the installation of the wear-resistant support ring 4, and finishing the preparation of the piston ring 2. When the piston ring 2 is manufactured, firstly, a nodular cast steel material with a proper size is selected, then, scribing is carried out on the surface of the nodular cast steel material, the scribing position is cut, finally, deburring treatment is carried out on the cut nodular cast steel material, the piston ring 2 is manufactured, a Stent seal and a wear-resistant support ring 4 are additionally arranged inside the piston ring 2, the piston ring 2 is matched with the piston 1 for use, when the piston moves to the uppermost part, the wear-resistant support ring 4 is arranged, the wear-resistant support ring 4 plays a role in hard support, when the piston 1 moves to the uppermost part, the piston 1 cannot incline due to dead weight, and therefore the problem that the piston 1 and the piston ring 2 are pulled is solved.
Referring to fig. 1, a piston 1 is arranged inside a piston ring 2, and the piston 1 slides along an inner cavity of the piston ring 2.
Referring to fig. 2, a plurality of steckel seals are fixedly connected to the inner cavity of the piston ring 2. In the working process of the hydraulic breaking hammer, the Stent seal is elastic and plays a role in supporting the piston 1.
Referring to fig. 2 and 3, the steckel seal is composed of a support ring 3 and an O-ring 11, the O-ring 11 is fixedly installed inside the support ring 3, a plurality of first grooves 12 are formed in an inner cavity of the piston ring 2, and the support ring 3 is fixedly installed inside the first grooves 12.
Referring to fig. 2, the inner cavity of the piston ring 2 is provided with a second groove 13, a wear-resistant support ring 4 is arranged inside the second groove 13, and the wear-resistant support ring 4 is located between the support rings 3. When not setting up wear-resisting support ring 4, the piston motion is to the timesharing of top, because the dead weight leads to piston 1 slope to touch piston ring 2 with the slope of quartering hammer, thereby cause piston 1 and piston ring 2 to pull, set up behind the wear-resisting support ring 4, wear-resisting support ring 4 not only plays the hard supporting role, effectively avoid piston 1 to move to the timesharing of top, the condition that piston 1 and piston ring 2 pulled, in addition because stecken is elastic, wear-resisting support ring 4 combines with stecken, when improving the leakproofness of piston ring 2, avoid piston ring 2 to receive the damage, thereby guarantee under the condition of piston ring 2 work efficiency, prolong piston ring 2's life.
Referring to fig. 2, the wear-resistant support ring 4 is composed of a first portion, a second portion, a third portion and a fourth portion, the first portion, the second portion, the third portion and the fourth portion on the wear-resistant support ring 4 are all designed in a quarter circular arc, and the first portion, the second portion, the third portion and the fourth portion on the wear-resistant support ring 4 are detachably connected with an inner cavity of the piston ring 2. The piston ring 2 is used for a long time, the wear-resistant support ring 4 in the piston ring 2 is difficult to avoid being damaged, the wear-resistant support ring 4 is divided into four parts, namely a first part, a second part, a third part and a fourth part, the replacement and the installation of the wear-resistant support ring 4 are facilitated, and the service life of the piston ring 2 is prolonged.
Referring to fig. 2, an opening 5 is opened on one side of the first part, the second part, the third part and the fourth part of the wear-resistant support ring 4 facing away from the piston ring 2, the first part, the second part, the third part and the fourth part of the wear-resistant support ring 4 are connected with the piston ring 2 through screws 8, and the screws 8 are located inside the opening 5. The screw 8 is located inside the opening 5, which prevents the piston 1 from being obstructed during its movement, and the screw 8 is connected in such a way that the connection is more stable.
Referring to fig. 2, a rectangular groove 9 is formed in one side, located at the opening 5, of the inner cavity of the piston ring 2, a sliding plate 6 is slidably connected inside the rectangular groove 9, and when the sliding plate 6 covers the opening 5, one side, close to the screw 8, of the sliding plate 6 is attached to the screw 8. Before utilizing 8 connections of screw, extending slide 6 to most the side, after 8 firm in connection of screw, utilizing slide 6 to cover opening 5, slide 6 is close to one side and the laminating of screw 8, and slide 6 plays the effect of injecing to screw 8, avoids equipment at the in-process of motion, and screw 8 takes place to become flexible, guarantees the stability of device.
Referring to fig. 2, a spring 10 is fixedly connected to a wall of the rectangular groove 9 at an end away from the opening 5, an end of the spring 10 away from the wall of the rectangular groove 9 is fixedly connected to the sliding plate 6, a brace 7 is fixedly connected to a side of the sliding plate 6 away from the screw 8, and the brace 7 is located at an end of the sliding plate 6 away from the spring 10. The spring 10 has elasticity, and the action of the spring 10 ensures that after the sliding plate 6 covers the opening 5, the sliding plate 6 always seals the opening 5 during the movement of the device, so that the screw 8 is always limited, the brace 7 is arranged to facilitate people to slide the sliding plate 6, and the brace 7 is arranged not to obstruct the sliding of the piston 1.
The working principle is as follows: at first, piston ring 2 makes, install wear-resisting support ring 4 additional in piston ring 2's inside after the preparation is accomplished, wear-resisting support ring 4 plays hard supporting role, piston 1 moves to the time-sharing of top portion, can not produce the slope because of the dead weight, thereby solve the condition that piston 1 and piston ring 2 pulled the wound, set wear-resisting support ring 4 into the detachable form, utilize screw 8 to fix wear-resisting support ring 4, after wear-resisting support ring 4 is fixed firm with piston ring 2, because spring 10's elastic action, slide 6 is close to one side and the laminating of screw 8, avoid equipment at the in-process of motion, screw 8 takes place to become flexible, guarantee the stability of device, can.
The above description is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above embodiments, and all technical solutions belonging to the idea of the present invention belong to the protection scope of the present invention. It should be noted that modifications and embellishments within the scope of the invention may occur to those skilled in the art without departing from the principle of the invention, and are considered to be within the scope of the invention.
Claims (5)
1. An improved process of a hydraulic breaking hammer piston ring is characterized in that: the process comprises the following steps:
1) selecting a proper nodular cast steel material according to the size of the piston ring (2);
2) marking the surface of the selected ductile cast steel material;
3) cutting the marking line on the surface of the nodular cast steel material to obtain a preliminarily molded piston ring (2);
4) deburring the preliminarily formed piston ring (2);
5) after the deburring treatment of the piston ring (2) is finished, a Stent seal is arranged in the piston ring (2);
6) after the step seal is installed, a wear-resistant support ring (4) is additionally arranged inside the piston ring (2);
7) after the wear-resistant support ring (4) is installed, the piston ring (2) is prepared;
a second groove (13) is formed in the inner cavity of the piston ring (2), a wear-resistant support ring (4) is arranged inside the second groove (13), and the wear-resistant support ring (4) is located among the support rings (3);
the wear-resistant support ring (4) consists of a first part, a second part, a third part and a fourth part, the first part, the second part, the third part and the fourth part on the wear-resistant support ring (4) are all designed in a quarter circular arc, and the first part, the second part, the third part and the fourth part on the wear-resistant support ring (4) are all detachably connected with an inner cavity of the piston ring (2);
the side, away from the piston ring (2), of the first part, the second part, the third part and the fourth part on the wear-resistant support ring (4) is provided with an opening (5), the first part, the second part, the third part and the fourth part on the wear-resistant support ring (4) are connected with the piston ring (2) through screws (8), and the screws (8) are positioned in the opening (5);
the inner chamber of piston ring (2) is located one side of opening (5) and has seted up rectangular channel (9), the inside sliding connection of rectangular channel (9) has slide (6), works as when slide (6) cover opening (5), slide (6) are close to one side and the laminating of screw (8).
2. The improvement process of the piston ring of the hydraulic breaking hammer as claimed in claim 1, wherein: the piston ring (2) is internally provided with a piston (1), and the piston (1) slides along the inner cavity of the piston ring (2).
3. The improvement process of the piston ring of the hydraulic breaking hammer as claimed in claim 1, wherein: the inner cavity of the piston ring (2) is fixedly connected with a plurality of Stent seals.
4. The improvement process of the piston ring of the hydraulic breaking hammer as claimed in claim 3, wherein: the steckel seal comprises a support ring (3) and an O-shaped ring (11), wherein the O-shaped ring (11) is fixedly installed in the support ring (3), a plurality of first grooves (12) are formed in an inner cavity of the piston ring (2), and the support ring (3) is fixedly installed in the first grooves (12).
5. The improvement process of the piston ring of the hydraulic breaking hammer as claimed in claim 1, wherein: cell wall fixedly connected with spring (10) of opening (5) one end is kept away from in rectangular channel (9), the one end and slide (6) fixed connection of rectangular channel (9) cell wall are kept away from in spring (10), slide (6) deviate from one side fixedly connected with brace (7) of screw (8), and brace (7) are located slide (6) and keep away from the one end of spring (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011617676.7A CN112726707B (en) | 2020-12-30 | 2020-12-30 | Hydraulic breaking hammer piston ring improvement process |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011617676.7A CN112726707B (en) | 2020-12-30 | 2020-12-30 | Hydraulic breaking hammer piston ring improvement process |
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| Publication Number | Publication Date |
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| CN112726707A CN112726707A (en) | 2021-04-30 |
| CN112726707B true CN112726707B (en) | 2022-04-26 |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20100138830A (en) * | 2009-06-23 | 2010-12-31 | 몽따베르 | Hydraulic percussive device |
| CN201982667U (en) * | 2011-04-08 | 2011-09-21 | 烟台艾迪精密机械有限公司 | Cylinder body seal for hydraulic breaking hammer |
| CN205965961U (en) * | 2016-08-25 | 2017-02-22 | 烟台艾迪精密机械股份有限公司 | A oil blanket fixer for large -scale quartering hammer |
| CN210621808U (en) * | 2019-05-27 | 2020-05-26 | 马鞍山市卡迈特液压机械制造有限公司 | Middle cylinder part of hydraulic breaking hammer |
| CN212052957U (en) * | 2020-04-30 | 2020-12-01 | 烟台艾迪精密机械股份有限公司 | Hydraulic breaking hammer and sealing assembly for same |
-
2020
- 2020-12-30 CN CN202011617676.7A patent/CN112726707B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20100138830A (en) * | 2009-06-23 | 2010-12-31 | 몽따베르 | Hydraulic percussive device |
| CN201982667U (en) * | 2011-04-08 | 2011-09-21 | 烟台艾迪精密机械有限公司 | Cylinder body seal for hydraulic breaking hammer |
| CN205965961U (en) * | 2016-08-25 | 2017-02-22 | 烟台艾迪精密机械股份有限公司 | A oil blanket fixer for large -scale quartering hammer |
| CN210621808U (en) * | 2019-05-27 | 2020-05-26 | 马鞍山市卡迈特液压机械制造有限公司 | Middle cylinder part of hydraulic breaking hammer |
| CN212052957U (en) * | 2020-04-30 | 2020-12-01 | 烟台艾迪精密机械股份有限公司 | Hydraulic breaking hammer and sealing assembly for same |
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| CN112726707A (en) | 2021-04-30 |
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