CN221030399U - Hydraulic breaking hammer with replaceable chisel head - Google Patents
Hydraulic breaking hammer with replaceable chisel head Download PDFInfo
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- CN221030399U CN221030399U CN202322566317.9U CN202322566317U CN221030399U CN 221030399 U CN221030399 U CN 221030399U CN 202322566317 U CN202322566317 U CN 202322566317U CN 221030399 U CN221030399 U CN 221030399U
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- hammer
- chisel head
- main body
- rod
- hydraulic breaking
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- 230000007246 mechanism Effects 0.000 claims abstract description 17
- 238000013016 damping Methods 0.000 claims description 7
- 230000008878 coupling Effects 0.000 claims 1
- 238000010168 coupling process Methods 0.000 claims 1
- 238000005859 coupling reaction Methods 0.000 claims 1
- 230000000149 penetrating effect Effects 0.000 abstract description 8
- 238000000034 method Methods 0.000 abstract description 4
- 230000008569 process Effects 0.000 abstract description 2
- 238000003780 insertion Methods 0.000 description 11
- 230000037431 insertion Effects 0.000 description 11
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 4
- 239000004567 concrete Substances 0.000 description 3
- 239000003921 oil Substances 0.000 description 3
- 239000011435 rock Substances 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 238000011065 in-situ storage Methods 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- 239000004575 stone Substances 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000010720 hydraulic oil Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Percussive Tools And Related Accessories (AREA)
Abstract
The utility model relates to the technical field of hydraulic breaking hammers, in particular to a hydraulic breaking hammer with a replaceable chisel head, which comprises a hydraulic breaking hammer main body, wherein a hammer rod penetrates out of the bottom end of the hydraulic breaking hammer main body, a chisel head main body is sleeved below the hammer rod, and a connecting mechanism is arranged outside the chisel head main body; the connecting mechanism comprises a threaded sleeve, the threaded sleeve is slidably connected to the outer walls of the hammer rod and the chisel head main body, an penetrating hole is formed in the top end of the chisel head main body, a limiting block is fixed at the position below the hammer rod penetrating into the penetrating hole, and a baffle is fixedly arranged on the inner wall of the penetrating hole. According to the utility model, the joint of the hammer rod and the chisel head main body is connected through the thread sleeve, so that the hammer rod is convenient to fixedly connect, meanwhile, the stopper of the hammer rod penetrates into the chisel head main body through the penetrating hole, the chisel head main body is rotated to enable the inserting hole of the baffle to be buckled with the stopper, the loosening or rotating condition in the hammering process is avoided, and the connection stability is improved.
Description
Technical Field
The utility model relates to the technical field of hydraulic breaking hammers, in particular to a hydraulic breaking hammer with a replaceable chisel head.
Background
The hydraulic breaking hammer is a breaking hammer or breaker for short, is installed on the excavator and loader at the position where the bucket is installed or is installed, is used for breaking stones, rocks and the like, and takes the hydraulic pump of the excavator and loader as power to output pressure oil, and controls the piston to reciprocate through the distributing valve. During the stroke, the rear cavity of the middle cylinder of the breaking hammer is filled with high-pressure hydraulic oil, and the piston impacts the drill rod to break rock under the combined action of compressed nitrogen and high-pressure oil in the upper cylinder; during return stroke, the front cavity of the middle cylinder is communicated with high-pressure oil to push the piston to move backwards and compress nitrogen in the upper cylinder body, so that one working cycle is completed. The piston makes the drill rod impact and break rock, stone, concrete and the like through repeated strokes and return strokes.
The patent specification with the publication number of CN219219186U discloses a hydraulic breaking hammer convenient for replacing a chisel head, which comprises a shell, wherein the inner wall of the shell is fixedly connected with a cylinder body, a sliding hole is formed in the bottom surface of the cylinder body, the inner wall of the sliding hole is slidably connected with a sliding rod, the top end of the sliding rod is fixedly connected with a piston plate, and the upper surface of the cylinder body is fixedly connected with a hydraulic cylinder. According to the utility model, the hydraulic cylinder is arranged to be matched with the piston plate to control the chisel, and the threaded connection of the threaded rod and the threaded hole is utilized to enable the threaded rod to be matched with the threaded hole to control the push plate to move, so that the push plate can control the first inserted rod to move out of the first insertion hole, the positioning of the connecting block is released, a worker can rapidly disassemble the chisel, and the second inserted rod is matched with the second insertion hole to position the connecting plate, so that the chisel is more stable after being installed, the problems that the chisel part of the breaking hammer is inconvenient to replace and the replacement efficiency is reduced are solved.
However, in the implementation of the related art, it is found that a hydraulic breaking hammer of the above design, which facilitates the replacement of the chisel head, has the following problems: when the chisel is too troublesome to replace and disassemble, and looseness is easy to occur after hammering work, in view of the above, a hydraulic breaking hammer with a replaceable chisel is provided to overcome the defects.
Disclosure of utility model
The utility model aims to solve the defects in the prior art and provides a hydraulic breaking hammer with a replaceable chisel head.
In order to achieve the above purpose, the present utility model adopts the following technical scheme: the hydraulic breaking hammer with the replaceable chisel head comprises a hydraulic breaking hammer main body, wherein a hammer rod penetrates out of the bottom end of the hydraulic breaking hammer main body, the chisel head main body is sleeved below the hammer rod, and a connecting mechanism is arranged outside the chisel head main body;
The connecting mechanism comprises a threaded sleeve, the threaded sleeve is slidably connected to the outer walls of the hammer rod and the chisel head main body, an insertion hole is formed in the top end of the chisel head main body, a limiting block is fixed at the position where the hammer rod penetrates into the insertion hole, a baffle is fixedly arranged on the inner wall of the insertion hole, an insertion hole is formed in the baffle, and the chisel head main body and the hammer head main body are conveniently fixedly connected through the threaded sleeve, so that disassembly and assembly are convenient.
As a further description of the above technical solution: one side of hammer stem bottom stopper is provided with thick screw thread piece, and the opposite side of hammer stem bottom central point puts the stopper and is fixed with inserts the piece, penetrates the chisel head main part through inserting the piece to penetrate in the preformed hole, the skew condition appears when avoiding connecting.
As a further description of the above technical solution: the screw sleeve is in threaded connection with the hammer rod and the chisel head main body simultaneously, the hammer rod is in threaded connection with the chisel head main body through the coarse thread block, the coarse thread block of the hammer rod penetrates into the hammer rod, and the hammer rod is screwed to form a quarter circle and the chisel head main body for preliminary connection, so that the connection stability is achieved.
As a further description of the above technical solution: be provided with supporting mechanism between hydraulic breaking hammer main part and the screw sleeve, supporting mechanism includes the dead lever, dead lever fixed mounting is in one side of hydraulic breaking hammer main part bottom hammer stem, and the draw-in groove has been seted up to the outer wall below of dead lever, the inside sliding connection of draw-in groove has the fixture block, and the outer wall of fixture block is fixed with the rotation sleeve, the slide bar has been worn out to the telescopic bottom of rotation, and the slide bar is located the outer wall both sides of the inside one end of dead lever and is fixed with the slider, rotates regulation dead lever and slide bar length through the rotation sleeve to support screw sleeve, avoid appearing rocking and become flexible when the atress striking.
As a further description of the above technical solution: the rotating sleeve is connected with the fixed rod in a rotating way through a clamping block and a clamping groove, and is connected with the fixed rod in a threaded way, and the rotating sleeve is connected with the sliding rod in a threaded way, and rotates on the fixed rod through the clamping block and the clamping groove, so that the sliding rod is pushed to stretch and retract, and the length is adjusted.
As a further description of the above technical solution: the bottom fixed mounting of slide bar has the telescopic link, and the below of telescopic link is connected with the gag lever post, the locating hole has been seted up to the position that screw thread sleeve top corresponds the gag lever post, through the flexible of telescopic link, is convenient for let the gag lever post can penetrate the locating hole, can't let the gag lever post aim at and penetrate the locating hole after avoiding apart from fixed.
As a further description of the above technical solution: the outside below of slide bar is fixed with the anticollision pad, and the anticollision pad is connected with damping spring towards threaded sleeve's outer wall, avoids taking place excessive bump between threaded sleeve and the gag lever post at hammering in-process through anticollision pad and damping spring.
The utility model has the following beneficial effects:
According to the hydraulic breaking hammer with the replaceable chisel head, the joint of the hammer rod and the chisel head main body is connected through the threads of the threaded sleeve, so that the hydraulic breaking hammer is convenient to fixedly connect, meanwhile, the stopper of the hammer rod penetrates into the chisel head main body through the penetrating hole, the chisel head main body is rotated to enable the inserting hole of the baffle to be buckled with the stopper, the loosening or rotating condition in the hammering process is avoided, and the connection stability is improved.
According to the hydraulic breaking hammer with the replaceable chisel head, the rotating sleeve is screwed, and the rotating sleeve rotates on the outer wall of the fixed rod in situ under the limit of the clamping block and the clamping groove, so that the sliding rod is pushed to adjust the length through the bolt connection, the sliding rod stably slides along the inner wall of the fixed rod through the sliding block and simultaneously avoids rotating along with the rotating sleeve, so that the limiting rod at the bottom end of the telescopic rod penetrates into the mounting hole, the rotating sleeve is further supported to avoid shaking or loosening under stress, and dislocation offset between the supporting mechanism and the threaded sleeve is avoided through the mounting hole, so that the supporting force is influenced.
Drawings
FIG. 1 is a schematic perspective view of the present utility model;
FIG. 2 is a schematic view of the internal structure of the chisel head main body of the utility model;
FIG. 3 is a schematic view of the mounting structure of the clamping block of the present utility model;
fig. 4 is a schematic structural view of the crash pad of the present utility model.
Legend description:
1. A hydraulic breaking hammer body; 2. a hammer rod; 3. a chisel head body; 4. a connecting mechanism; 401. a threaded sleeve; 402. a limiting block; 403. penetrating the hole; 404. a baffle; 405. an insertion hole; 5. a coarse thread block; 6. an insert block; 7. a support mechanism; 701. a fixed rod; 702. rotating the sleeve; 703. a slide bar; 704. a clamping block; 705. a clamping groove; 706. a slide block; 8. a telescopic rod; 9. a limit rod; 10. a mounting hole; 11. a crash pad; 12. damping spring.
Detailed Description
Referring to fig. 1-4, the present utility model provides a hydraulic breaking hammer with replaceable chisel head: the hydraulic breaking hammer comprises a hydraulic breaking hammer main body 1, wherein a hammer rod 2 penetrates through the bottom end of the hydraulic breaking hammer main body 1, a chisel head main body 3 is sleeved below the hammer rod 2, and a connecting mechanism 4 is arranged outside the chisel head main body 3;
The connecting mechanism 4 comprises a threaded sleeve 401, the threaded sleeve 401 is slidably connected to the outer walls of the hammer rod 2 and the chisel head main body 3, an insertion hole 403 is formed in the top end of the chisel head main body 3, a limiting block 402 is fixed at the position where the lower portion of the hammer rod 2 penetrates the insertion hole 403, a baffle 404 is fixedly arranged on the inner wall of the insertion hole 403, an insertion hole 405 is formed in the baffle 404, and the chisel head main body 3 and the chisel head main body 2 are fixedly connected through the threaded sleeve 401, so that disassembly and assembly are facilitated.
As a further embodiment of the above technical solution: one side of hammer stem 2 bottom stopper 402 is provided with thick screw thread piece 5, and the opposite side of hammer stem 2 bottom central point puts stopper 402 and is fixed with inserts piece 6, penetrates chisel head main part 3 through inserting piece 6 to penetrate in the preformed hole, the condition of skew appears when avoiding connecting.
As a further embodiment of the above technical solution: the threaded sleeve 401 is in threaded connection with the hammer rod 2 and the chisel head main body 3 at the same time, the hammer rod 2 is in threaded connection with the chisel head main body 3 through the coarse thread block 5, the coarse thread block 5 of the hammer rod 2 penetrates, and the hammer rod is screwed to form a quarter circle and is in primary connection with the chisel head main body 3, so that the connection stability is achieved.
During the concrete implementation, firstly the thick thread block 5 of the hammer rod 2 penetrates into the chisel head main body 3 through the penetrating hole 403, the preliminary fixation is convenient after one quarter circle is screwed, meanwhile, the limiting block 402 penetrates into the baffle 404 through the inserting hole 405 and is buckled, the hammer rod 2 and the chisel head main body 3 are fully connected, looseness is avoided when the hammer rod is stressed, the threaded sleeve 401 is screwed and sleeved at the joint of the hammer rod 2 and the chisel head main body 3 for fixed connection, and the trouble of disassembly and assembly in the modes of bolts and the like is avoided.
As a further embodiment of the above technical solution: be provided with supporting mechanism 7 between hydraulic breaking hammer main part 1 and screw sleeve 401, supporting mechanism 7 includes dead lever 701, dead lever 701 fixed mounting is in one side of hydraulic breaking hammer main part 1 bottom hammer lever 2, draw-in groove 705 has been seted up to the outer wall below of dead lever 701, the inside sliding connection of draw-in groove 705 has fixture block 704, the outer wall of fixture block 704 is fixed with rotation sleeve 702, slide bar 703 has been worn out to the bottom of rotation sleeve 702, slide bar 703 is located the outer wall both sides of the inside one end of dead lever 701 and is fixed with slider 706, rotate through rotation sleeve 702 and adjust dead lever 701 and slide bar 703 length, thereby support screw sleeve 401, avoid appearing rocking and becoming flexible when the atress striking.
As a further embodiment of the above technical solution: the rotating sleeve 702 forms a clamping structure with the fixed rod 701 through the clamping block 704 and the clamping groove 705, the rotating sleeve 702 is rotationally connected with the fixed rod 701, meanwhile, the rotating sleeve 702 is in threaded connection with the sliding rod 703, and the rotating sleeve 702 rotates on the fixed rod 701 through the clamping block 704 and the clamping groove 705, so that the sliding rod 703 is pushed to stretch and retract to adjust the length.
As a further embodiment of the above technical solution: the bottom fixed mounting of slide bar 703 has telescopic link 8, and the below of telescopic link 8 is connected with gag lever post 9, and locating hole 10 has been seted up to the position that threaded sleeve 401 top corresponds gag lever post 9, through telescopic link 8's flexible, is convenient for let gag lever post 9 can penetrate locating hole 10, avoid unable gag lever post 9 to aim at and penetrate locating hole 10 after the distance is fixed.
As a further embodiment of the above technical solution: the outside below of slide bar 703 is fixed with anticollision pad 11, and anticollision pad 11 is connected with damping spring 12 towards the outer wall of screw sleeve 401, avoids taking place excessive bump between screw sleeve 401 and the gag lever post 9 at hammering in-process through anticollision pad 11 and damping spring 12.
When the concrete implementation is carried out, after the position of the threaded sleeve 401 is determined, the telescopic rod 8 stretches out and draws back to let the spacing rod 9 penetrate into the placement hole 10, the rotating sleeve 702 is screwed, the fixed rod 701 enables the rotating sleeve 702 to rotate in situ through the clamping block 704 and the clamping groove 705, meanwhile, the sliding block 706 of the sliding rod 703 penetrates into the reserved groove in the fixed rod 701, the sliding rod 703 is prevented from following the rotating sleeve 702 to rotate, the sliding rod 703 drives the telescopic rod 8 to move, the telescopic rod 8 and the spacing rod 9 are pressed in the placement hole 10, so that the force of sharing hammering is prevented from being too large, and the limiting rod 9 and the threaded sleeve 401 are prevented from being excessively collided through elastic expansion of the anti-collision pad 11 and the damping spring 12.
Finally, it should be noted that: the foregoing description of the preferred embodiments of the present utility model is not intended to be limiting, but rather, it will be apparent to those skilled in the art that the foregoing description of the preferred embodiments of the present utility model can be modified or equivalents can be substituted for some of the features thereof, and any modification, equivalent substitution, improvement or the like that is within the spirit and principles of the present utility model should be included in the scope of the present utility model.
Claims (7)
1. A hydraulic breaking hammer with replaceable chisel head, characterized in that: the hydraulic breaking hammer comprises a hydraulic breaking hammer main body (1), wherein a hammer rod (2) penetrates out of the bottom end of the hydraulic breaking hammer main body (1), a chisel head main body (3) is sleeved below the hammer rod (2), and a connecting mechanism (4) is arranged outside the chisel head main body (3);
Coupling mechanism (4) are including screw sleeve (401), screw sleeve (401) sliding connection is at the outer wall of hammer stem (2) and chisel head main part (3), and the top of chisel head main part (3) has seted up and has been penetrated hole (403), the position that hammer stem (2) below penetrated hole (403) is fixed with stopper (402), and the inner wall fixed mounting of hole (403) has baffle (404), the inside of baffle (404) has been seted up and has been inserted hole (405).
2. A hydraulic breaking hammer with replaceable chisel head according to claim 1, characterized by: one side of a limiting block (402) at the bottom end of the hammer rod (2) is provided with a coarse thread block (5), and an inserting block (6) is fixed at the other side of the limiting block (402) at the central position of the bottom end of the hammer rod (2).
3. A hydraulic breaking hammer with replaceable chisel head according to claim 1, characterized by: the threaded sleeve (401) is in threaded connection with the hammer rod (2) and the chisel head main body (3) at the same time, and the hammer rod (2) is in threaded connection with the chisel head main body (3) through the coarse thread block (5).
4. A hydraulic breaking hammer with replaceable chisel head according to claim 1, characterized by: be provided with supporting mechanism (7) between hydraulic breaking hammer main part (1) and screw sleeve (401), supporting mechanism (7) are including dead lever (701), dead lever (701) fixed mounting is in one side of hydraulic breaking hammer main part (1) bottom hammer stem (2), and draw-in groove (705) have been seted up to the outer wall below of dead lever (701), the inside sliding connection of draw-in groove (705) has fixture block (704), and the outer wall of fixture block (704) is fixed with rotation sleeve (702), the bottom of rotation sleeve (702) is worn out and is had slide bar (703), and slide bar (703) are located the outer wall both sides of the inside one end of dead lever (701) and are fixed with slider (706).
5. A hydraulic breaking hammer with replaceable chisel head according to claim 4 wherein: the rotating sleeve (702) forms a clamping structure with the fixed rod (701) through the clamping block (704) and the clamping groove (705), the rotating sleeve (702) is rotationally connected with the fixed rod (701), and meanwhile the rotating sleeve (702) is in threaded connection with the sliding rod (703).
6. A hydraulic breaking hammer with replaceable chisel head according to claim 4 wherein: the bottom fixed mounting of sliding rod (703) has telescopic link (8), and the below of telescopic link (8) is connected with gag lever post (9), locating hole (10) have been seted up at the position that threaded sleeve (401) top corresponds gag lever post (9).
7. A hydraulic breaking hammer with replaceable chisel head according to claim 4 wherein: an anti-collision pad (11) is fixed below the outer part of the sliding rod (703), and a damping spring (12) is connected to the outer wall of the anti-collision pad (11) facing the threaded sleeve (401).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322566317.9U CN221030399U (en) | 2023-09-20 | 2023-09-20 | Hydraulic breaking hammer with replaceable chisel head |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322566317.9U CN221030399U (en) | 2023-09-20 | 2023-09-20 | Hydraulic breaking hammer with replaceable chisel head |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221030399U true CN221030399U (en) | 2024-05-28 |
Family
ID=91174361
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322566317.9U Active CN221030399U (en) | 2023-09-20 | 2023-09-20 | Hydraulic breaking hammer with replaceable chisel head |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221030399U (en) |
-
2023
- 2023-09-20 CN CN202322566317.9U patent/CN221030399U/en active Active
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| GR01 | Patent grant |