CN214840025U - Hydraulic breaking hammer lubricating device - Google Patents
Hydraulic breaking hammer lubricating device Download PDFInfo
- Publication number
- CN214840025U CN214840025U CN202121098248.8U CN202121098248U CN214840025U CN 214840025 U CN214840025 U CN 214840025U CN 202121098248 U CN202121098248 U CN 202121098248U CN 214840025 U CN214840025 U CN 214840025U
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- drill rod
- oil
- piston
- shaft sleeve
- cavity
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Abstract
A hydraulic breaking hammer lubricating device comprises a piston upper cavity, a piston, an upper cylinder body, a piston sealing ring, a lower cylinder sleeve sealing ring, a piston lower cavity, a lower cylinder body, a drill rod seat, a drill rod upper shaft sleeve, a drill rod and a drill rod lower shaft sleeve, wherein the lower cylinder body is connected with the drill rod seat, the drill rod upper shaft sleeve and the drill rod lower shaft sleeve are installed in the drill rod seat, clamping grooves are formed in two sides of the upper portion of the drill rod and located between the drill rod upper shaft sleeve and the drill rod lower shaft sleeve, a drill rod pin is installed in the clamping grooves of the drill rod and used for preventing the drill rod from falling off, and an oil groove used for oil flowing is formed in the inner wall surface of the drill rod upper shaft sleeve. The quantitative pulse and forced extrusion type lubrication can be effectively carried out on the drill rod of the hydraulic breaking hammer, dirty oil is prevented from entering the piston, frequent oil injection is not needed, the service life of the drill rod is greatly prolonged, and a hydraulic system is protected. Meanwhile, frequent stopping and oiling are not needed, so that the working efficiency of the equipment is improved, and the production cost is reduced.
Description
Technical Field
The utility model belongs to the technical field of hydraulic breaking hammer is lubricated, specifically speaking relates to a hydraulic breaking hammer lubricating arrangement.
Background
Lubricating grease is added to the drill rod for lubrication every 3 hours of the operation of the hydraulic breaking hammer in the current market, and the drill rod and the upper shaft sleeve and the lower shaft sleeve of the drill rod are more quickly abraded after the viscous lubricating grease and the sand dust are glued together. When the dust-containing lubricating grease moves upwards to the striking cavity along the drill rod gap, the dust-containing lubricating grease enters the hydraulic system along with the movement of the piston, and the hydraulic oil is polluted to damage the hydraulic system. Thus, the working conditions and the customer requirements cannot be met, and a new mechanism needs to be developed to meet the use requirement.
In view of this, the present invention is provided.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model adopts the following basic concept:
a hydraulic breaking hammer lubricating device comprises a piston upper cavity, a piston, an upper cylinder body, a piston sealing ring, a lower cylinder sleeve sealing ring, a piston lower cavity, a lower cylinder body, a drill rod seat, a drill rod upper shaft sleeve, a drill rod pin and a drill rod lower shaft sleeve, the lower cylinder body is connected with a drill rod seat, the drill rod seat is internally provided with the drill rod upper shaft sleeve and the drill rod lower shaft sleeve, the two sides of the upper part of the drill rod are provided with clamping grooves which are positioned between the drill rod upper shaft sleeve and the drill rod lower shaft sleeve, the drill rod pin is arranged in the clamping groove of the drill rod and used for preventing the drill rod from falling off, the surface of the inner wall of the upper shaft sleeve of the drill rod is provided with an oil groove for oil delivery, the top of the upper shaft sleeve is drilled with a plurality of small oil passing holes communicated with the oil groove, the drill rod seat is internally provided with a passage which penetrates through the inside and the outside, an oil mist pipe is arranged in the passage in an interference sealing manner, an oil passing hole of the oil passing small hole is communicated with the oil inlet end of the oil mist pipe on the drill rod seat, and the other end of the oil mist pipe is connected with an oil supply system.
The oil supply system comprises a piston upper cavity oil inlet, a piston lower cavity oil return opening, a stop valve, a pulse oil storage mist sprayer, a hydraulic oil path high-pressure input pipeline and a hydraulic oil path, wherein the piston upper cavity oil inlet is formed in the surface of a piston upper cavity and penetrates through the inside and the outside, the piston lower cavity oil return opening is formed in the surface of the piston lower cavity and penetrates through the inside and the outside, the piston upper cavity oil inlet is communicated with the hydraulic oil path high-pressure input pipeline, one end of the hydraulic oil path is communicated with an oil return tank, the other end of the hydraulic oil path is communicated with the piston lower cavity oil return opening and the stop valve through a tee joint, and the stop valve is sequentially connected with the pulse oil storage mist sprayer and an oil mist pipe in series.
The oil supply system further comprises an adjustable throttle valve which is located on a pipeline path between the pulse oil mist storage device and the oil mist pipe.
The oil groove is an annular oil groove or a spiral oil groove.
The upper cylinder body is connected with the lower cylinder body, and a piston sealing ring and a lower cylinder sleeve sealing ring are arranged in the upper cylinder body and the lower cylinder body and used for sealing and preventing dust for the piston.
Compared with the prior art, the utility model following beneficial effect has:
the quantitative pulse and forced extrusion type lubrication can be effectively carried out on the drill rod of the hydraulic breaking hammer, dirty oil is prevented from entering the piston, frequent oil injection is not needed, the service life of the drill rod is greatly prolonged, and a hydraulic system is protected. Meanwhile, frequent stopping and oiling are not needed, so that the working efficiency of the equipment is improved, and the production cost is reduced.
The following describes embodiments of the present invention in further detail with reference to the accompanying drawings.
Drawings
In the drawings:
FIG. 1 is a schematic structural section view of the present invention;
in the figure: 1. a cavity on the piston; 2. a piston; 3. an upper cylinder body; 4. a piston seal ring; 5. a lower cylinder sleeve sealing ring; 6. a piston lower cavity; 7. a lower cylinder body; 8. a drill rod seat; 9. an upper shaft sleeve of the drill rod; 10. a drill rod; 11. a pin for a drill rod; 12. a drill rod lower shaft sleeve; 13. an oil inlet of the upper cavity of the piston; 14. an oil return port of the lower cavity of the piston; 15. a stop valve; 16. a pulse oil mist storage device; 17. A hydraulic oil path high-pressure input pipeline; 18. a hydraulic oil circuit low-pressure oil return pipeline; 19. an oil mist pipe; 20. an adjustable throttle valve.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and the following embodiments are used to illustrate the present invention.
As shown in figure 1, a hydraulic breaking hammer lubricating device comprises a piston upper cavity 1, a piston 2, an upper cylinder body 3, a piston sealing ring 4, a lower cylinder sleeve sealing ring 5, a piston lower cavity 6, a lower cylinder body 7, a drill rod seat 8, a drill rod upper shaft sleeve 9, a drill rod 10, a drill rod pin 11 and a drill rod lower shaft sleeve 12, wherein the lower cylinder body 7 is connected with the drill rod seat 8, the drill rod upper shaft sleeve 9 and the drill rod lower shaft sleeve 12 are installed in the drill rod seat, clamping grooves are formed in two sides of the upper part of the drill rod 10 and are positioned between the drill rod upper shaft sleeve 9 and the drill rod lower shaft sleeve 12, the drill rod pin 11 is installed in the clamping groove of the drill rod to prevent the drill rod from falling off, the piston 2 enables the piston 2 to repeatedly move to impact the drill rod 10 to finish acting and break rock through hydraulic oil pressure and a reversing valve in the upper cylinder body 3, an oil groove for oil running is formed in the inner wall surface of the drill rod upper shaft sleeve 9, a plurality of oil through holes are drilled in the top and communicated with the oil groove, a channel penetrating through the inside and the outside is formed in the drill rod seat 8, an oil mist pipe 19 is arranged in the channel in an interference sealing mode, an oil passing hole of the oil passing small hole is communicated with the oil inlet end of the oil mist pipe 19 on the drill rod seat 8, and the other end of the oil mist pipe 19 is connected with an oil supply system.
The oil supply system comprises an oil inlet 13 of the upper piston cavity, an oil return port 14 of the lower piston cavity, a stop valve 15, a pulse oil storage mist sprayer 16, a high-pressure input pipeline 17 of the hydraulic oil circuit and the hydraulic oil circuit 18, wherein the oil inlet 13 of the upper piston cavity is arranged on the surface of the upper piston cavity 1 and penetrates through the inside and the outside, the oil return port 14 of the lower piston cavity is arranged on the surface of the lower piston cavity 6 and penetrates through the inside and the outside, the oil inlet 13 of the upper piston cavity is communicated with the high-pressure input pipeline 17 of the hydraulic oil circuit, one end of the hydraulic oil circuit 18 is communicated with an oil return tank, the other end of the hydraulic oil circuit is communicated with the oil return port 14 of the lower piston cavity and the stop valve 15 through a tee joint, the stop valve 15 is sequentially connected with the pulse oil storage mist sprayer 16 and an oil mist pipe 19 in series through pipelines, the high-pressure input pipeline 17 of the hydraulic oil circuit injects lubricating oil into the upper piston cavity 1 through the oil inlet 13 of the upper piston cavity, and the lubricating oil is sucked into the oil return port 14 of the lower piston cavity 6 (the low pressure of the hydraulic oil circuit 18), most of the recovered oil returns to the oil tank along the hydraulic oil path 18, a small part of the oil enters the pulse oil storage mist device 16 under the condition that the stop valve 15 is opened, the pulse oil storage mist device 16 supplies oil to an oil groove of the drill rod upper sleeve 9, quantitative pulse and forced displacement type lubricating oil mist between the drill rod 10 and the upper shaft sleeve and the lower shaft sleeve is fully guaranteed, and the oil supply continuity of a lubricating system is guaranteed by the connection of the pulse oil storage mist device 16 and the pipe 19.
The oil supply system further comprises an adjustable throttle valve 20 used for controlling oil quantity, the adjustable throttle valve 20 is located on a pipeline path between the pulse oil storage oil mist device 16 and the oil mist pipe 19 and used for supplying oil to the drill rod sleeve 9 to guarantee the drill rod to move in a lubricating mode, the oil quantity is only required to be large enough to guarantee that an oil film exists at the position where the drill rod moves up and down, and hydraulic oil can be supplemented appropriately every few days according to requirements.
The oil groove is a ring oil groove or a spiral oil groove or other forms of oil grooves.
The upper cylinder body 3 is connected with the lower cylinder body 7, and the piston sealing ring 4 and the lower cylinder sleeve sealing ring 5 are arranged inside the upper cylinder body and the lower cylinder body for sealing and preventing dust of the piston 2.
Claims (5)
1. A hydraulic breaking hammer lubricating device comprises a piston upper cavity (1), a piston (2), an upper cylinder body (3), a piston sealing ring (4), a lower cylinder sleeve sealing ring (5), a piston lower cavity (6), a lower cylinder body (7), a drill rod seat (8), a drill rod upper shaft sleeve (9), a drill rod (10), a drill rod pin (11) and a drill rod lower shaft sleeve (12), wherein the lower cylinder body (7) is connected with the drill rod seat (8), the drill rod upper shaft sleeve (9) and the drill rod lower shaft sleeve (12) are installed in the drill rod seat, clamping grooves are formed in two sides of the upper portion of the drill rod (10) and located between the drill rod upper shaft sleeve (9) and the drill rod lower shaft sleeve (12), the drill rod pin (11) is installed in the clamping grooves of the drill rod and used for preventing the drill rod from falling off, the hydraulic breaking hammer lubricating device is characterized in that an oil groove used for oil running is formed in the inner wall surface of the drill rod upper shaft sleeve (9), and a plurality of oil passing small holes are drilled in the top to be communicated with the oil groove, a channel penetrating through the inside and the outside is arranged in the drill rod seat (8), an oil mist pipe (19) is arranged in the channel in an interference sealing mode, an oil passing hole of the oil passing hole is communicated with the oil inlet end of the oil mist pipe (19) on the drill rod seat (8), and the other end of the oil mist pipe (19) is connected with an oil supply system.
2. The hydraulic breaking hammer lubricating device according to claim 1, wherein the oil supply system comprises a piston upper cavity oil inlet (13), a piston lower cavity oil return (14), a stop valve (15), a pulse oil storage oil mist (16), a hydraulic oil path high-pressure input pipeline (17) and a hydraulic oil path (18), the piston upper cavity oil inlet (13) is arranged on the surface of the piston upper cavity (1) and penetrates through the inside and the outside, the oil return port (14) of the lower piston cavity is arranged on the surface of the lower piston cavity (6) and penetrates through the inside and the outside, an oil inlet (13) of the upper cavity of the piston is communicated with a high-pressure input pipeline (17) of a hydraulic oil path, one end of the hydraulic oil path (18) is communicated with an oil return tank, the other end of the piston rod is communicated with an oil return port (14) of the lower cavity of the piston and a stop valve (15) through a tee joint, the stop valve (15) is connected with the pulse oil mist storage device (16) and the oil mist pipe (19) in series in sequence through pipelines.
3. A hydraulic breaking hammer lubrication device according to claim 2, characterised in that the oil supply system further comprises an adjustable throttle valve (20), which adjustable throttle valve (20) is located in the pipe path between the pulsed oil mist reservoir (16) and the oil mist pipe (19).
4. The hydraulic breaker hammer lubrication device of claim 1 wherein the oil groove is a toroidal oil groove or a helical oil groove.
5. A hydraulic breaking hammer lubricating apparatus according to claim 1, characterized in that the upper cylinder (3) and the lower cylinder (7) are connected and internally provided with a piston seal ring (4) and a lower cylinder sleeve seal ring (5) for sealing and dust-proof the piston (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121098248.8U CN214840025U (en) | 2021-05-21 | 2021-05-21 | Hydraulic breaking hammer lubricating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121098248.8U CN214840025U (en) | 2021-05-21 | 2021-05-21 | Hydraulic breaking hammer lubricating device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214840025U true CN214840025U (en) | 2021-11-23 |
Family
ID=78775762
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121098248.8U Expired - Fee Related CN214840025U (en) | 2021-05-21 | 2021-05-21 | Hydraulic breaking hammer lubricating device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214840025U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115364925A (en) * | 2022-09-06 | 2022-11-22 | 中联重科股份有限公司 | Hydraulic breaking hammer assembly |
-
2021
- 2021-05-21 CN CN202121098248.8U patent/CN214840025U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115364925A (en) * | 2022-09-06 | 2022-11-22 | 中联重科股份有限公司 | Hydraulic breaking hammer assembly |
| CN115364925B (en) * | 2022-09-06 | 2023-11-10 | 中联重科股份有限公司 | Hydraulic breaking hammer assembly |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20211123 |
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| CF01 | Termination of patent right due to non-payment of annual fee |