CN219774499U - Hydraulic rock drill impact cylinder body with lubrication and cooling protection functions - Google Patents
Hydraulic rock drill impact cylinder body with lubrication and cooling protection functions Download PDFInfo
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- CN219774499U CN219774499U CN202320998874.5U CN202320998874U CN219774499U CN 219774499 U CN219774499 U CN 219774499U CN 202320998874 U CN202320998874 U CN 202320998874U CN 219774499 U CN219774499 U CN 219774499U
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- Prior art keywords
- impact piston
- cylinder body
- buffer ring
- impact
- copper guide
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- 239000011435 rock Substances 0.000 title claims abstract description 29
- 238000001816 cooling Methods 0.000 title claims abstract description 17
- 238000005461 lubrication Methods 0.000 title claims abstract description 15
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 44
- 229910052802 copper Inorganic materials 0.000 claims abstract description 44
- 239000010949 copper Substances 0.000 claims abstract description 44
- 238000007789 sealing Methods 0.000 claims description 14
- 230000001502 supplementing effect Effects 0.000 claims description 12
- 239000003595 mist Substances 0.000 claims description 3
- 230000002146 bilateral effect Effects 0.000 claims description 2
- 230000003139 buffering effect Effects 0.000 abstract description 4
- 230000003116 impacting effect Effects 0.000 abstract description 2
- 230000001050 lubricating effect Effects 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 23
- 230000008569 process Effects 0.000 description 20
- 239000003921 oil Substances 0.000 description 17
- 239000010720 hydraulic oil Substances 0.000 description 7
- 230000009471 action Effects 0.000 description 5
- 230000009286 beneficial effect Effects 0.000 description 5
- 238000005553 drilling Methods 0.000 description 4
- 238000005299 abrasion Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
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- Earth Drilling (AREA)
Abstract
The utility model relates to the technical field of hydraulic rock drills and discloses a hydraulic rock drill impact cylinder body with a lubricating and cooling protection function, which comprises a cylinder body, wherein an impact piston rod is movably arranged in the cylinder body, a front impact piston buffer ring is fixedly arranged on the right side of the inside of the cylinder body, a front impact piston copper guide sleeve positioned on the right side of the front impact piston buffer ring is fixedly arranged on the right side of the inside of the cylinder body, a rear impact piston buffer ring positioned on the outer side of the impact piston rod is fixedly arranged on the left side of the inside of the cylinder body, and a rear impact piston copper guide sleeve positioned on the left side of the rear impact piston buffer ring is fixedly arranged on the left side of the inside of the cylinder body. The hydraulic rock drill impact cylinder body with the lubrication and cooling protection functions has the advantages that the piston copper guide sleeve for assisting in impacting the piston rod to guide is arranged in the hydraulic cylinder, and the piston buffer ring for assisting in buffering is arranged in the hydraulic cylinder, so that damage to the inside of the hydraulic cylinder during working of the impact piston rod is reduced.
Description
Technical Field
The utility model relates to the technical field of hydraulic rock drills, in particular to a hydraulic rock drill impact cylinder body with a lubricating and cooling protection function.
Background
The hydraulic rock drill is electromechanical and hydraulic integrated rock drilling equipment taking high-pressure liquid as power, is widely applied to foundation construction processes of tunnels, exploration, mineral products and the like, and has the advantages of small energy consumption, high rock drilling speed, high working efficiency, low operation noise, long service life of drilling tools, less drilling sticking accidents, easier control and use and the like. The hydraulic rock drill consists of a hydraulic rock drill gun, a hydraulic power station and a bracket system. The hydraulic power station has three forms of explosion-proof type, non-explosion-proof type and diesel engine type.
The impact piston rod in the hydraulic cylinder is large in impact on the inner wall of the hydraulic cylinder in the use process of the existing hydraulic rock drill, other components in the hydraulic cylinder are easy to damage, and the hydraulic oil in the hydraulic cylinder is easy to leak under the driving of the impact piston rod in the motion process of the impact piston rod, so that the abrasion in the hydraulic cylinder is larger and larger after the hydraulic rock drill is used for a long time, and the hydraulic rock drill impact cylinder body with the lubrication and cooling protection function is provided to solve the problems.
Disclosure of Invention
(one) solving the technical problems
Aiming at the defects of the prior art, the utility model provides the hydraulic rock drill impact cylinder body with the lubrication and cooling protection function, which is provided with the piston copper guide sleeve for assisting in guiding the impact piston rod and the piston buffer ring for assisting in buffering, so that the damage to the inside of the hydraulic cylinder when the impact piston rod works is reduced, the problems that the impact of the impact piston rod in the hydraulic cylinder on the inner wall of the hydraulic cylinder is large in the using process of the hydraulic rock drill, other components in the hydraulic cylinder are easy to damage, and the hydraulic oil in the hydraulic cylinder is easy to leak under the driving of the impact piston rod in the moving process of the impact piston rod, so that the abrasion to the inside of the hydraulic cylinder is also larger and larger after long-time use are solved.
(II) technical scheme
The technical scheme for solving the technical problems is as follows: the utility model provides a hydraulic rock drill that possesses lubrication cooling protect function strikes cylinder body, includes the cylinder body, the inside movable mounting of cylinder body has the impact piston rod, the inside right side fixed mounting of cylinder body has preceding impact piston buffer ring, the inside right side fixed mounting of cylinder body has the preceding impact piston copper guide sleeve that is located preceding impact piston buffer ring right side, the inside left side fixed mounting of cylinder body has the back impact piston buffer ring that is located the impact piston rod outside, the inside left side fixed mounting of cylinder body has the back impact piston copper guide sleeve that is located the back impact piston buffer ring left side, the outside of impact piston rod is located the inside of preceding impact piston buffer ring and back impact piston buffer ring, the oil mist passageway has all been seted up to the inside of preceding impact piston copper guide sleeve and back impact piston copper guide sleeve, seal groove has all been fixedly mounted to the inside of seal groove, the outside fixed mounting of impact piston rod has the quantity to be two and is the inside of the shock piston rod that is bilateral symmetry and distributes.
The beneficial effects of the utility model are as follows:
the hydraulic rock drill impact cylinder body with the lubrication and cooling protection functions has the advantages that the piston copper guide sleeve for assisting in impacting the piston rod to guide is arranged in the hydraulic cylinder, and the piston buffer ring for assisting in buffering is arranged in the hydraulic cylinder, so that damage to the inside of the hydraulic cylinder during working of the impact piston rod is reduced.
On the basis of the technical scheme, the utility model can be improved as follows.
Further, the two piston rod buffer rings are respectively positioned at the left side and the right side of the front impact piston buffer ring and the rear impact piston buffer ring.
The adoption of the further scheme has the beneficial effect that the force generated in the motion process of the impact piston rod is buffered conveniently.
Further, mounting grooves are formed in the upper side and the lower side of the inner wall of the cylinder body, and the mounting grooves are matched with the outer sides of the front impact piston buffer ring, the front impact piston copper guide sleeve, the rear impact piston buffer ring and the rear impact piston copper guide sleeve.
The adoption of the further scheme has the beneficial effects that the front impact piston buffer ring, the front impact piston copper guide sleeve, the rear impact piston buffer ring and the rear impact piston copper guide sleeve are convenient to install.
Further, oil supplementing holes are formed in the upper side and the lower side of the inner wall of the front impact piston buffer ring and the inner wall of the rear impact piston buffer ring, and one side, close to the inner wall of the cylinder body, of each oil supplementing hole is attached to the cylinder body.
The adoption of the further scheme has the beneficial effects that the impact piston rod in the working process is convenient to supplement oil, so that the working process is more stable.
Further, the number of the sealing grooves is four, and the four sealing grooves are uniformly distributed in the front impact piston copper guide sleeve and the rear impact piston copper guide sleeve.
The hydraulic rock drill has the beneficial effects that the inside of the cylinder body is sealed, so that the whole hydraulic rock drill is more stable in the working process.
Further, the left side of the front impact piston copper guide sleeve extends to the inside of the front impact piston buffer ring.
Further, the right side of the rear impact piston copper guide sleeve extends to the inside of the rear impact piston buffer ring.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is an enlarged view of the utility model at A;
FIG. 3 is an enlarged view of the utility model at B;
FIG. 4 is a schematic view of the internal structure of the copper guide sleeve of the front impact piston;
fig. 5 is a schematic view showing the inner structure of the cushion ring of the front impact piston of the present utility model.
In the figure: 1. a cylinder; 2. impact the piston rod; 3. a front impact piston buffer ring; 4. a front impact piston copper guide sleeve; 5. a rear impact piston buffer ring; 6. rear impact piston copper guide sleeve; 7. an oil mist passageway; 8. sealing grooves; 9. a sealing gasket; 10. a piston rod buffer ring; 11. and an oil supplementing hole.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
In the embodiment, given by fig. 1-5, the hydraulic rock drill impact cylinder with the lubrication and cooling protection function comprises a cylinder body 1, an impact piston rod 2 is movably arranged in the cylinder body 1, a front impact piston buffer ring 3 is fixedly arranged on the right side in the cylinder body 1, a front impact piston copper guide sleeve 4 positioned on the right side of the front impact piston buffer ring 3 is fixedly arranged on the right side in the cylinder body 1, a rear impact piston buffer ring 5 positioned on the outer side of the impact piston rod 2 is fixedly arranged on the left side in the cylinder body 1, a rear impact piston copper guide sleeve 6 positioned on the left side of the rear impact piston buffer ring 5 is fixedly arranged on the inner side in the cylinder body 1, the outer sides of the impact piston rod 2 are positioned in the interiors of the front impact piston buffer ring 3 and the rear impact piston buffer ring 5, passages 7 are respectively arranged in the interiors of the front impact piston copper guide sleeve 4 and the rear impact piston copper guide sleeve 6, sealing grooves 8 are respectively arranged on the upper side and lower side of the inner wall of the front impact piston copper guide sleeve 4 and the rear impact piston copper guide sleeve 6, sealing gaskets 9 are respectively arranged in the interiors of the sealing grooves 8, and the two sealing gaskets 9 are respectively arranged on the two outer sides of the piston rod and the piston rod is provided with the number of the two piston rods and the two piston rods are symmetrically distributed and are arranged on the two outer sides and are the piston rod is provided with the number is 10.
Wherein two piston rod cushion rings 10 are respectively positioned at the left and right sides of the front impact piston cushion ring 3 and the rear impact piston cushion ring 5.
In the process of the left-right movement of the impact piston rod 2, the front impact piston buffer ring 3 at the outer side moves left and right along with the left and right movement of the impact piston rod, so that the front impact piston buffer ring 3 contacts with the left and right sides of the rear impact piston buffer ring 5 to buffer the force generated by the impact piston rod 2 in the working process.
Wherein, the upper and lower both sides of the inner wall of the cylinder body 1 are provided with mounting grooves which are matched with the outer sides of the front impact piston buffer ring 3, the front impact piston copper guide sleeve 4, the rear impact piston buffer ring 5 and the rear impact piston copper guide sleeve 6.
Wherein, the upper and lower sides of the inner wall of the front impact piston buffer ring 3 and the rear impact piston buffer ring 5 are respectively provided with an oil supplementing hole 11, and one side of the oil supplementing hole 11 close to the inner wall of the cylinder body 1 is attached to the oil supplementing hole.
When the impact piston rod 2 moves rightwards, hydraulic oil is pushed to enter the cylinder body 1 from the oil supplementing hole 11 in the front impact piston buffer ring 3, the oil storage process is carried out, meanwhile, the hydraulic oil in the cylinder body 1 carries out auxiliary buffer on the force generated by the impact piston rod 2 in the motion process, and the stored oil enters the outer side of the impact piston rod 2 from the oil supplementing hole 11 under the action of the motion force of the impact piston rod 2 in the motion process of the impact piston rod 2 when the impact piston rod 2 moves leftwards, so that the impact piston rod 2 is lubricated.
The number of the sealing grooves 8 is four, and the four sealing grooves 8 are uniformly distributed in the front impact piston copper guide sleeve 4 and the rear impact piston copper guide sleeve 6.
The gasket 9 is installed in the plurality of seal grooves 8, and prevents the hydraulic oil in the cylinder 1 from being carried out to the outside of the cylinder 1 when the piston rod 2 is impacted to move, thereby causing loss.
Wherein the left side of the front impact piston copper guide sleeve 4 extends to the inside of the front impact piston buffer ring 3.
Wherein the right side of the rear impact piston copper guide sleeve 6 extends to the inside of the rear impact piston buffer ring 5.
Working principle:
the impact piston rod 2 is placed in the cylinder body 1, then the front impact piston buffer ring 3, the front impact piston copper guide sleeve 4, the rear impact piston buffer ring 5 and the rear impact piston copper guide sleeve 6 are mounted in the cylinder body 1, the impact piston rod 2 is buffered and lubricated, when moving rightwards, hydraulic oil is pushed to enter the cylinder body 1 from the oil supplementing hole 11 in the front impact piston buffer ring 3, the oil storage process is carried out, meanwhile, hydraulic oil in the cylinder body 1 carries out auxiliary buffering on the force generated by the impact piston rod 2 in the moving process, and the stored oil enters the outer side of the impact piston rod 2 from the oil supplementing hole 11 under the action of the moving force of the impact piston rod 2 in the moving process of the impact piston rod 2, so that the impact piston rod 2 is lubricated, and the cylinder body 1 is sealed through the sealing gasket 9 in the sealing groove 8.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The utility model provides a hydraulic rock drill impact cylinder body that possesses lubrication cooling protect function, includes cylinder body (1), its characterized in that: the inside movable mounting of cylinder body (1) has impact piston rod (2), the inside right side fixed mounting of cylinder body (1) has preceding impact piston buffer ring (3), the inside right side fixed mounting of cylinder body (1) has preceding impact piston copper guide pin bushing (4) that are located preceding impact piston buffer ring (3) right side, the inside left side fixed mounting of cylinder body (1) has back impact piston buffer ring (5) that are located the outside of impact piston rod (2), the inside left side fixed mounting of cylinder body (1) has back impact piston copper guide pin bushing (6) that are located the left side of back impact piston buffer ring (5), the outside of impact piston rod (2) is located the inside of preceding impact piston buffer ring (3) and back impact piston buffer ring (5), the outside of impact piston rod (2) is located the inside of preceding impact piston copper guide pin bushing (4) and back impact piston copper guide pin bushing (6), seal groove (8) are all offered to seal groove (8) on both sides down on the inner wall of oil mist piston (8), the outer side of the impact piston rod (2) is fixedly provided with two piston rod buffer rings (10) which are distributed in a bilateral symmetry mode.
2. The hydraulic rock drill impact cylinder body with lubrication and cooling protection functions according to claim 1, wherein: the two piston rod buffer rings (10) are respectively positioned at the left side and the right side of the front impact piston buffer ring (3) and the rear impact piston buffer ring (5).
3. The hydraulic rock drill impact cylinder body with lubrication and cooling protection functions according to claim 1, wherein: mounting grooves are formed in the upper side and the lower side of the inner wall of the cylinder body (1), and are matched with the outer sides of the front impact piston buffer ring (3), the front impact piston copper guide sleeve (4), the rear impact piston buffer ring (5) and the rear impact piston copper guide sleeve (6).
4. The hydraulic rock drill impact cylinder body with lubrication and cooling protection functions according to claim 1, wherein: the upper side and the lower side of the inner walls of the front impact piston buffer ring (3) and the rear impact piston buffer ring (5) are respectively provided with an oil supplementing hole (11), and one side, close to the inner wall of the cylinder body (1), of the oil supplementing holes (11) is attached to the cylinder body.
5. The hydraulic rock drill impact cylinder body with lubrication and cooling protection functions according to claim 1, wherein: the number of the sealing grooves (8) is four, and the four sealing grooves (8) are uniformly distributed in the front impact piston copper guide sleeve (4) and the rear impact piston copper guide sleeve (6).
6. The hydraulic rock drill impact cylinder body with lubrication and cooling protection functions according to claim 1, wherein: the left side of the front impact piston copper guide sleeve (4) extends to the inside of the front impact piston buffer ring (3).
7. The hydraulic rock drill impact cylinder body with lubrication and cooling protection functions according to claim 1, wherein: the right side of the rear impact piston copper guide sleeve (6) extends to the inside of the rear impact piston buffer ring (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320998874.5U CN219774499U (en) | 2023-04-28 | 2023-04-28 | Hydraulic rock drill impact cylinder body with lubrication and cooling protection functions |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320998874.5U CN219774499U (en) | 2023-04-28 | 2023-04-28 | Hydraulic rock drill impact cylinder body with lubrication and cooling protection functions |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219774499U true CN219774499U (en) | 2023-09-29 |
Family
ID=88105224
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320998874.5U Active CN219774499U (en) | 2023-04-28 | 2023-04-28 | Hydraulic rock drill impact cylinder body with lubrication and cooling protection functions |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219774499U (en) |
-
2023
- 2023-04-28 CN CN202320998874.5U patent/CN219774499U/en active Active
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