CN111305305A - Rear cylinder body of hydraulic breaking hammer - Google Patents
Rear cylinder body of hydraulic breaking hammer Download PDFInfo
- Publication number
- CN111305305A CN111305305A CN202010199759.2A CN202010199759A CN111305305A CN 111305305 A CN111305305 A CN 111305305A CN 202010199759 A CN202010199759 A CN 202010199759A CN 111305305 A CN111305305 A CN 111305305A
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- Prior art keywords
- cylinder body
- cylinder
- mounting
- channel
- groove
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Classifications
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F5/00—Dredgers or soil-shifting machines for special purposes
- E02F5/30—Auxiliary apparatus, e.g. for thawing, cracking, blowing-up, or other preparatory treatment of the soil
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F5/00—Dredgers or soil-shifting machines for special purposes
- E02F5/30—Auxiliary apparatus, e.g. for thawing, cracking, blowing-up, or other preparatory treatment of the soil
- E02F5/305—Arrangements for breaking-up hard ground
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
- F15B15/20—Other details, e.g. assembly with regulating devices
- F15B15/22—Other details, e.g. assembly with regulating devices for accelerating or decelerating the stroke
Abstract
A rear cylinder body of a hydraulic breaking hammer comprises a cylinder top, an upper cylinder body, a lower cylinder body, a cylinder bottom, a stop shaft, a coaxial valve, a piston rod, a drill rod and an inflation nozzle; the cylinder top, the upper cylinder body, the lower cylinder body and the cylinder bottom are sequentially connected from top to bottom; the upper cylinder body is provided with a first mounting channel, and the inside of the upper cylinder body is provided with an adjusting cavity; a plurality of first mounting channels are arranged in parallel along the transverse direction; the bottom of the cylinder top is provided with a connecting platform which is abutted against the top end of the first mounting channel, an inflation channel and an air distribution channel are arranged in the cylinder top, and the bottom of the cylinder top is provided with a communicating hole; the inflation channel is provided with an air inlet end and a plurality of air outlet ends, and the air outlet ends of the inflation channel are communicated with the first installation channel through the air distribution channel; and a second mounting channel communicated with the first mounting channel is arranged on the lower cylinder body. The invention is provided with a plurality of installation channels, and the air pressure can be adjusted in the installation channels and the adjusting cavity in a self-adaptive manner, thereby avoiding the occurrence of the condition of overlarge internal pressure of the rear cylinder body and improving the shock absorption performance.
Description
Technical Field
The invention relates to the technical field of breaking hammer cylinder bodies, in particular to a rear cylinder body of a hydraulic breaking hammer.
Background
The hydraulic breaking hammer is called breaking hammer or breaker for short, the power source of the hydraulic breaking hammer is the pressure provided by an excavator, a loader or a pump station, and the hydraulic breaking hammer can break stones and rocks more effectively in engineering construction and improve the working efficiency. The principle of selecting the hydraulic breaking hammer is to select the most suitable hydraulic breaking hammer according to the type of the excavator and the operation environment.
For the hydraulic breaking hammer rear cylinder body in the prior art, the inner part of the rear cylinder body bears large pressure for a long time, so that the position of internal parts of the rear cylinder body is easy to deviate, the damping performance is reduced, and the rear cylinder body generates cracks and even is broken due to vibration.
Disclosure of Invention
Objects of the invention
In order to solve the technical problems in the background art, the invention provides a rear cylinder body of a hydraulic breaking hammer, which is provided with a plurality of installation channels, wherein air pressure can be adjusted in the installation channels and an adjusting cavity in a self-adaptive manner, so that the situation that the internal pressure of the rear cylinder body is overlarge is avoided, the damping performance is improved, and the structure is more stable and firm.
(II) technical scheme
The invention provides a rear cylinder body of a hydraulic breaking hammer, which comprises a cylinder top, an upper cylinder body, a lower cylinder body, a cylinder bottom, a stop shaft, a coaxial valve, a piston rod, a drill rod and an inflating nozzle, wherein the cylinder top is connected with the upper cylinder body;
the cylinder top, the upper cylinder body, the lower cylinder body and the cylinder bottom are sequentially connected from top to bottom; the upper cylinder body is provided with a first mounting channel, and the inside of the upper cylinder body is provided with an adjusting cavity; the first mounting channels are vertically arranged, and a plurality of first mounting channels are arranged in parallel along the transverse direction; the bottom of the cylinder top is provided with a connecting platform which is abutted against the top end of the first mounting channel, an inflation channel and an air distribution channel are arranged in the cylinder top, and the bottom of the cylinder top is provided with a communicating hole; the inflation channel is provided with an air inlet end and a plurality of air outlet ends, and the air outlet ends of the inflation channel are communicated with the first installation channel through the air distribution channel; the charging connector is arranged on the top of the cylinder and is positioned at the air inlet end of the charging channel; the first mounting channel is communicated with the adjusting cavity through a communication hole; a second mounting channel communicated with the first mounting channel is arranged on the lower cylinder body; the stop shaft, the coaxial valve, the piston rod and the drill rod are correspondingly arranged in plurality respectively, and are sequentially connected from top to bottom; the stop shaft, the coaxial valve and the piston rod are all arranged in the first mounting channel and the second mounting channel; the drill rod penetrates through the cylinder bottom.
Preferably, the communication holes are of a Venturi structure, and a plurality of the communication holes are uniformly arranged around the central shaft of the connecting platform.
Preferably, the bottom of the cylinder top is provided with a first clamping table; the top of the upper cylinder body is provided with a first mounting groove for embedding the first clamping table; the top of the cylinder bottom is provided with a second clamping table; and a second mounting groove for embedding a second clamping table is formed in the bottom of the lower cylinder body.
Preferably, the lower part of the upper cylinder body is provided with a positioning groove; the positioning groove is an arc-shaped groove, and the opening of the positioning groove is arranged downwards; the upper part of the lower cylinder body is provided with a positioning table which is used for being inserted into the positioning groove; the positioning table structure is matched with the positioning groove.
Preferably, the bottom of the upper cylinder body is provided with a first mounting table and a first mounting plate; the top of the lower cylinder body is provided with a second mounting table and a second mounting plate; the first mounting table is correspondingly positioned above the second mounting table; the first mounting plate is correspondingly positioned above the second mounting plate.
Preferably, the upper cylinder body and the lower cylinder body are connected with a damping sleeve; the damping sleeve is of a cylindrical structure, the damping sleeve is coaxially arranged on the inner wall of the first installation channel, and the damping sleeve is positioned on the outer sides of the stop shaft, the coaxial valve and the piston rod.
Preferably, the bottom of the cylinder bottom is provided with a clamping groove, and the bottom of the cylinder bottom is connected with a protective sleeve; the protective sleeve is positioned in the clamping groove; the drill rod penetrates through the protective sleeve.
Preferably, the top of the upper cylinder body is provided with a first limiting groove; a first sealing gasket is connected between the cylinder top and the upper cylinder body; the first sealing gasket is positioned in the first limiting groove; the bottom of the lower cylinder body is provided with a second limiting groove; a second sealing gasket is connected between the lower cylinder body and the cylinder bottom; the second sealing gasket is positioned in the second limiting groove.
Compared with the prior art, the technical scheme of the invention has the following beneficial technical effects:
the invention is provided with a plurality of communicated first mounting channels and second mounting channels, the air pressure can be adjusted in the mounting channels and the adjusting cavity in a self-adaptive manner, the occurrence of the condition of overlarge internal pressure of the rear cylinder body is avoided, the shock absorption performance is improved, and the structure is more stable and firm. The first mounting channel, the second mounting channel and the adjusting cavity are communicated. The stop shafts, the coaxial valves, the piston rods and the drill rods are respectively provided with a plurality of stop shafts, the coaxial valves, the piston rods and the drill rods are in a group structure, and a plurality of groups of structures are arranged, when parts in part of the group structure move upwards, gas is extruded and enters the adjusting cavity through the communicating holes, and air in the adjusting cavity is extruded into the structures of the rest groups again, so that the drill rods in the rest groups move downwards, thus the self-adaptive adjustment of the gas is achieved, the pressure is always in a safe range, moreover, the plurality of drill rods in the groups of structures not only move upwards, but also move downwards, the breaking hammer can vibrate up and down, and the air pressure of the self-adaptive adjustment can be further used for the breaking process of the breaking hammer, so that more functions are achieved.
Drawings
Fig. 1 is a schematic structural diagram of a rear cylinder of a hydraulic breaking hammer according to the present invention.
Fig. 2 is a structural cross-sectional view of a rear cylinder of a hydraulic breaking hammer according to the present invention.
Fig. 3 is an enlarged view of a structure at a in fig. 2.
Fig. 4 is an enlarged view of the structure at B in fig. 2.
Fig. 5 is an exploded view of the rear cylinder of the hydraulic breaking hammer according to the present invention.
Fig. 6 is a schematic structural diagram of an upper cylinder in a rear cylinder of a hydraulic breaking hammer according to the present invention.
Fig. 7 is a schematic structural diagram of a cylinder top in a rear cylinder body of a hydraulic breaking hammer according to the present invention.
Reference numerals: 1. a cylinder top; 101. an inflation channel; 102. a gas distribution channel; 103. a communicating hole; 104. a first chuck table; 105. a connecting table; 2. an upper cylinder body; 21. positioning a groove; 22. a first mounting table; 23. a first mounting plate; 24. a first mounting groove; 25. a first mounting channel; 26. an adjustment chamber; 3. a lower cylinder body; 31. a positioning table; 32. a second mounting table; 33. a second mounting plate; 34. a second mounting groove; 4. a cylinder bottom; 5. a stop shaft; 6. a coaxial valve; 7. a piston rod; 8. a drill rod; 9. a shock-absorbing sleeve; 10. a protective sleeve; 11. a first gasket; 12. a second gasket; 13. an air charging nozzle.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail with reference to the accompanying drawings in conjunction with the following detailed description. It should be understood that the description is intended to be exemplary only, and is not intended to limit the scope of the present invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.
As shown in fig. 1-7, the rear cylinder body of the hydraulic breaking hammer provided by the invention comprises a cylinder top 1, an upper cylinder body 2, a lower cylinder body 3, a cylinder bottom 4, a stop shaft 5, a coaxial valve 6, a piston rod 7, a drill rod 8 and an inflation nozzle 13;
the cylinder top 1, the upper cylinder body 2, the lower cylinder body 3 and the cylinder bottom 4 are sequentially connected from top to bottom; the upper cylinder body 2 is provided with a first mounting channel 25, and the upper cylinder body 2 is internally provided with an adjusting cavity 26; the first mounting channels 25 are vertically arranged, and a plurality of first mounting channels 25 are arranged side by side along the transverse direction; the bottom of the cylinder top 1 is provided with a connecting platform 105 which is abutted against the top end of the first mounting channel 25, an inflation channel 101 and an air distribution channel 102 are arranged in the cylinder top 1, and the bottom of the cylinder top 1 is provided with a communicating hole 103; the inflation channel 101 is provided with an air inlet end and a plurality of air outlet ends, and the air outlet end of the inflation channel 101 is communicated with the first installation channel 25 through the air distribution channel 102; the charging connector 13 is arranged on the cylinder top 1 and is positioned at the air inlet end of the charging channel 101; the first mounting passage 25 communicates with the regulation chamber 26 through the communication hole 103; the lower cylinder body 3 is provided with a second mounting channel communicated with the first mounting channel 25; the stop shaft 5, the coaxial valve 6, the piston rod 7 and the drill rod 8 are correspondingly arranged in plurality respectively, and the stop shaft 5, the coaxial valve 6, the piston rod 7 and the drill rod 8 are sequentially connected from top to bottom; the stop shaft 5, the coaxial valve 6 and the piston rod 7 are all arranged in the first mounting channel 25 and the second mounting channel; the drill rod 8 penetrates the cylinder bottom 4.
The invention is provided with a plurality of communicated first mounting channels 25 and second mounting channels, the air pressure can be adjusted in the mounting channels and the adjusting cavity in a self-adaptive manner, the occurrence of the condition of overlarge internal pressure of the rear cylinder body is avoided, the shock absorption performance is improved, and the structure is more stable and firm. The first mounting channel 25, the second mounting channel and the adjustment chamber 26 communicate. The stop shafts 5, the coaxial valves 6, the piston rods 7 and the drill rods 8 are respectively provided with a plurality of stop shafts 5, the coaxial valves 6, the piston rods 7 and the drill rods 8, each stop shaft 5, the coaxial valves 6, the piston rods 7 and the drill rods 8 are in a group structure, a plurality of groups of structures are arranged, when parts in a part of the group structure move upwards, gas is extruded and enters the adjusting cavity 26 through the communication holes 103, and air in the adjusting cavity 26 is extruded into the structures of the other groups, so that the drill rods 8 in the other groups move downwards, thus achieving the self-adaptive adjustment of the gas, the pressure is always in a safe range, moreover, the drill rods 8 in the groups of structures move upwards and downwards, the breaking hammer can vibrate up and down, and the air pressure in the self-adaptive adjustment can be further used for the breaking process of the breaking hammer, and more effects.
In an alternative embodiment, the communication hole 103 has a venturi-shaped structure, and a plurality of communication holes 103 are uniformly arranged around the central axis of the connecting platform 105.
When gas flows through the venturi-shaped communication hole 103, the flow rate of the discharged gas is increased, and a plurality of communication holes 103 are provided, so that the gas can be charged into other regions more quickly and uniformly.
In an alternative embodiment, the bottom of the cylinder top 1 is provided with a first clamping platform 104; the top of the upper cylinder body 2 is provided with a first mounting groove 24 for embedding the first clamping table 104; the top of the cylinder bottom 4 is provided with a second clamping table; the bottom of the lower cylinder 3 is provided with a second mounting groove 34 for embedding a second chuck.
It should be noted that, when the cylinder top 1 is mounted, the first locking platform 104 is fitted into the first mounting groove 24, and when the cylinder bottom 4 is mounted, the second locking platform is fitted into the second mounting groove 34, so that the whole structure is more firmly mounted, and the position is not easily deviated.
In an alternative embodiment, the lower part of the upper cylinder 2 is provided with a positioning groove 21; the positioning groove 21 is an arc-shaped groove, and the opening of the positioning groove is arranged downwards; the upper part of the lower cylinder 3 is provided with a positioning table 31 for inserting into the positioning groove 21; the positioning table 31 is matched with the positioning slot 21.
When the upper cylinder 2 and the lower cylinder 3 are mounted, the positioning table 31 is fitted into the positioning groove 21, and the mounting process of the upper cylinder 2 and the lower cylinder 3 can be guided, thereby improving the convenience of mounting.
In an alternative embodiment, the bottom of the upper cylinder 2 is provided with a first mounting table 22 and a first mounting plate 23; the top of the lower cylinder body 3 is provided with a second mounting table 32 and a second mounting plate 33; the first mounting table 22 is correspondingly positioned above the second mounting table 32; the first mounting plate 23 is correspondingly positioned above the second mounting plate 33.
By providing the first mounting table 22 and the second mounting table 32, the upper cylinder 2 and the lower cylinder 3 can be more securely connected; when the invention is used, the invention is arranged on other structures through the first mounting plate 23 and the second mounting plate 33, and the stability and the firmness of the installation are improved.
In an alternative embodiment, the upper cylinder 2 and the lower cylinder 3 are connected with a damping sleeve 9; the damping sleeve 9 is of a cylindrical structure, the damping sleeve 9 is coaxially arranged on the inner wall of the first mounting channel 25, and the damping sleeve 9 is positioned on the outer sides of the stop shaft 5, the coaxial valve 6 and the piston rod 7.
It should be noted that, by arranging the damping sleeve 9, the abrasion of parts can be weakened, the vibration during the operation of the invention can be reduced, and the stability and the smoothness during the operation can be ensured.
In an alternative embodiment, the bottom of the cylinder bottom 4 is provided with a clamping groove, and the bottom of the cylinder bottom 4 is connected with a protective sleeve 10; the protective sleeve 10 is positioned in the clamping groove; the drill rod 8 extends through the protective sleeve 10.
The position where the drill rod 8 penetrates the cylinder bottom 4 can be protected by providing the protective sleeve 10.
In an alternative embodiment, the top of the upper cylinder body 2 is provided with a first limit groove; a first sealing gasket 11 is connected between the cylinder top 1 and the upper cylinder body 2; the first sealing gasket 11 is positioned in the first limiting groove; the bottom of the lower cylinder body 3 is provided with a second limiting groove; a second sealing gasket 12 is connected between the lower cylinder body 3 and the cylinder bottom 4; the second gasket 12 is located in the second retaining groove.
The first gasket 11 and the second gasket 12 are provided, so that the sealing performance of the present invention can be ensured; the first sealing gasket 11 is arranged in the first limiting groove, and the second sealing gasket 12 is arranged in the second limiting groove, so that the first sealing gasket 11 and the second sealing gasket 12 are more firmly installed and are not easy to fall off.
It is to be understood that the above-described embodiments of the present invention are merely illustrative of or explaining the principles of the invention and are not to be construed as limiting the invention. Therefore, any modification, equivalent replacement, improvement and the like made without departing from the spirit and scope of the present invention should be included in the protection scope of the present invention. Further, it is intended that the appended claims cover all such variations and modifications as fall within the scope and boundaries of the appended claims or the equivalents of such scope and boundaries.
Claims (8)
1. A rear cylinder body of a hydraulic breaking hammer is characterized by comprising a cylinder top (1), an upper cylinder body (2), a lower cylinder body (3), a cylinder bottom (4), a stop shaft (5), a coaxial valve (6), a piston rod (7), a drill rod (8) and an inflation nozzle (13);
the cylinder top (1), the upper cylinder body (2), the lower cylinder body (3) and the cylinder bottom (4) are sequentially connected from top to bottom; a first mounting channel (25) is arranged on the upper cylinder body (2), and an adjusting cavity (26) is arranged in the upper cylinder body (2); the first mounting channels (25) are vertically arranged, and a plurality of first mounting channels (25) are arranged side by side along the transverse direction; a connecting platform (105) which is abutted against the top end of the first mounting channel (25) is arranged at the bottom of the cylinder top (1), an inflation channel (101) and an air distribution channel (102) are arranged in the cylinder top (1), and a communicating hole (103) is arranged at the bottom of the cylinder top (1); the inflation channel (101) is provided with an air inlet end and a plurality of air outlet ends, and the air outlet end of the inflation channel (101) is communicated with the first installation channel (25) through the air distribution channel (102); the charging connector (13) is arranged on the cylinder top (1) and is positioned at the air inlet end of the charging channel (101); the first mounting channel (25) is communicated with the adjusting cavity (26) through a communication hole (103); a second mounting channel communicated with the first mounting channel (25) is arranged on the lower cylinder body (3); the stop shaft (5), the coaxial valve (6), the piston rod (7) and the drill rod (8) are correspondingly arranged in plurality respectively, and the stop shaft (5), the coaxial valve (6), the piston rod (7) and the drill rod (8) are sequentially connected from top to bottom; the stop shaft (5), the coaxial valve (6) and the piston rod (7) are all arranged in the first mounting channel (25) and the second mounting channel; the drill rod (8) penetrates through the cylinder bottom (4).
2. A hydraulic breaking hammer rear cylinder according to claim 1, characterized in that the communication hole (103) is of venturi-shaped structure, and the communication holes (103) are uniformly arranged in plurality around the central axis of the connecting table (105).
3. A hydraulic breaking hammer rear cylinder according to claim 1, characterized in that the bottom of the cylinder top (1) is provided with a first clamping table (104); the top of the upper cylinder body (2) is provided with a first mounting groove (24) for embedding a first clamping table (104); the top of the cylinder bottom (4) is provided with a second clamping table; the bottom of the lower cylinder body (3) is provided with a second mounting groove (34) for embedding a second clamping table.
4. A hydraulic breaking hammer rear cylinder according to claim 1, characterized in that the upper cylinder (2) is provided with a positioning groove (21) at the lower part; the positioning groove (21) is an arc-shaped groove, and the opening of the positioning groove is arranged downwards; the upper part of the lower cylinder body (3) is provided with a positioning table (31) which is used for being inserted into the positioning groove (21); the structure of the positioning table (31) is matched with the positioning groove (21).
5. A hydraulic breaking hammer rear cylinder according to claim 1, characterized in that the upper cylinder (2) is provided at its bottom with a first mounting table (22) and a first mounting plate (23); the top of the lower cylinder body (3) is provided with a second mounting table (32) and a second mounting plate (33); the first mounting table (22) is correspondingly positioned above the second mounting table (32); the first mounting plate (23) is correspondingly positioned above the second mounting plate (33).
6. A hydraulic breaking hammer rear cylinder according to claim 1, characterized in that the upper cylinder (2) and the lower cylinder (3) are connected with a damping sleeve (9); the damping sleeve (9) is of a cylindrical structure, the damping sleeve (9) is coaxially arranged on the inner wall of the first mounting channel (25), and the damping sleeve (9) is located on the outer sides of the stop shaft (5), the coaxial valve (6) and the piston rod (7).
7. The rear cylinder body of the hydraulic breaking hammer as claimed in claim 1, wherein a clamping groove is formed at the bottom of the cylinder bottom (4), and a protective sleeve (10) is connected to the bottom of the cylinder bottom (4); the protective sleeve (10) is positioned in the clamping groove; the drill rod (8) penetrates through the protective sleeve (10).
8. The rear cylinder body of the hydraulic breaking hammer as claimed in claim 1, wherein the top of the upper cylinder body (2) is provided with a first limit groove; a first sealing gasket (11) is connected between the cylinder top (1) and the upper cylinder body (2); the first sealing gasket (11) is positioned in the first limiting groove; the bottom of the lower cylinder body (3) is provided with a second limiting groove; a second sealing gasket (12) is connected between the lower cylinder body (3) and the cylinder bottom (4); the second sealing gasket (12) is positioned in the second limiting groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010199759.2A CN111305305A (en) | 2020-03-20 | 2020-03-20 | Rear cylinder body of hydraulic breaking hammer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010199759.2A CN111305305A (en) | 2020-03-20 | 2020-03-20 | Rear cylinder body of hydraulic breaking hammer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111305305A true CN111305305A (en) | 2020-06-19 |
Family
ID=71149914
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010199759.2A Pending CN111305305A (en) | 2020-03-20 | 2020-03-20 | Rear cylinder body of hydraulic breaking hammer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111305305A (en) |
-
2020
- 2020-03-20 CN CN202010199759.2A patent/CN111305305A/en active Pending
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20200619 |