CN214940575U

CN214940575U - Quartering hammer convenient to change chisel head

Info

Publication number: CN214940575U
Application number: CN202121373555.2U
Authority: CN
Inventors: 高晓东; 王春华; 于言言
Original assignee: Yantai Haopu Precision Machinery Co ltd
Current assignee: Yantai Pukun Hydraulic Equipment Co ltd
Priority date: 2021-06-21
Filing date: 2021-06-21
Publication date: 2021-11-30
Anticipated expiration: 2031-06-21

Abstract

The utility model discloses a quartering hammer convenient to change chisel head relates to quartering hammer technical field, and its technical scheme main points are: the breaking hammer comprises a breaking hammer body, wherein a mounting groove is formed in the bottom of the breaking hammer body, limiting mechanisms are arranged on two sides of the breaking hammer body, the inner side end of each limiting mechanism penetrates through the side wall of the breaking hammer body and extends into the mounting groove, a chisel seat is fixedly mounted on the mounting groove through the limiting mechanisms, a buffer mechanism is arranged at the bottom of the chisel seat, breaking chisel heads are mounted at the bottom of the buffer mechanism, sliding grooves are formed in the upper ends of two sides of the chisel seat, and limiting sliding strips are fixedly mounted at the upper ends of two sides in the mounting groove; this quartering hammer uses the installation all comparatively convenient, makes broken chisel head change comparatively cheap through setting up stop gear, has the shock attenuation buffer function of removal simultaneously, and the practicality is stronger, and life is permanent, and application prospect is comparatively extensive, is worth using widely.

Description

Quartering hammer convenient to change chisel head

Technical Field

The utility model relates to a quartering hammer technical field, in particular to quartering hammer convenient to change chisel head.

Background

The power source of the hydraulic breaking hammer is pressure oil provided by a pump station of an excavator or a loader, and the hydraulic breaking hammer can more effectively clean floating stones and soil in rock gaps in the process of excavating a building foundation;

but present quartering hammer is after long-time the use, and the chisel head is probably worn and torn, and generally the chisel head is mostly fixed or integral type installation, and it is comparatively inconvenient to dismantle the change, and then has reduced the efficiency of work to conventional quartering hammer chisel head lacks buffer gear, and then leads to internal damage easily, for this we have designed the quartering hammer of being convenient for to change the chisel head and have solved this problem.

SUMMERY OF THE UTILITY MODEL

To the problem mentioned in the background art, the utility model aims at providing a quartering hammer convenient to change chisel head to solve the problem of not putting in the background art just to change the chisel head and lack buffer gear.

The above technical purpose of the present invention can be achieved by the following technical solutions:

a breaking hammer with a chisel head convenient to replace comprises a breaking hammer body, wherein the bottom of the breaking hammer body is provided with an installation groove, the two sides of the breaking hammer body are respectively provided with a limiting mechanism, the end part of the inner side of the limiting mechanism penetrates through the side wall of the breaking hammer body and extends to the inside of the mounting groove, the mounting groove is fixedly provided with a chisel seat through a limiting mechanism, the bottom of the chisel seat is provided with a buffer mechanism, the bottom of the buffer mechanism is provided with a crushing chisel head, the upper ends of the two sides of the chisel head seat are both provided with sliding grooves, the upper ends of the two sides in the mounting groove are fixedly provided with limiting sliding strips which are connected inside the sliding groove in a sliding way, the top of the breaking hammer body is fixedly provided with a mounting plate, four corners of the top of the mounting plate are provided with mounting holes, the mounting holes penetrate through four corners of the top of the mounting plate, and the top of the mounting plate is fixedly provided with a fixing column.

Through adopting above-mentioned technical scheme, this quartering hammer uses the installation all comparatively convenient, makes broken chisel head change comparatively cheap through setting up stop gear, has the shock attenuation buffer function of removal simultaneously, and the practicality is stronger, and life is permanent, and application prospect is comparatively extensive, is worth using widely.

Preferably, the surface of the fixing column is transversely provided with a positioning hole, and the positioning hole penetrates through the surface of the fixing column.

Through adopting above-mentioned technical scheme, through setting up the locating hole, can conveniently fix the fixed column, improve installation stability and convenience.

Preferably, heat dissipation holes are formed in the middle of the front face and the middle of the back face of the breaking hammer body at equal intervals, and the diameter of each heat dissipation hole is set to be 3.6 MM.

Through adopting above-mentioned technical scheme, through setting up the louvre, can make this quartering hammer when using, the inside heat of quartering hammer body can dispel the heat fast and come out, improves life.

Preferably, the limiting mechanism comprises a fixing block and a clamping groove, the fixing block is fixedly installed on two sides of the breaking hammer body, the clamping groove is formed in two sides of the drill bit seat, a limiting hole is transversely formed in the middle of the inner side of the fixing block and penetrates through the side walls of the two sides of the fixing block and the breaking hammer body, a limiting spring is fixedly installed inside the limiting hole, a connecting rod is slidably connected inside the limiting spring, the outer end of the connecting rod penetrates through the fixing block and is fixedly provided with a pull ring, a limiting pin is fixedly installed at the inner end of the connecting rod, the outer side of the limiting pin is fixedly connected with the inner end of the limiting spring, and the limiting pin is inserted into the clamping groove.

Through adopting above-mentioned technical scheme, when broken chisel head wearing and tearing damage need be changed, accessible pulling ring, the pull ring drove the connecting rod this moment, and the connecting rod drives the spacer pin, and the spacing spring of spacer pin oppression contracts in the spacing hole in toward the fixed block, and the spacer pin leaves the draw-in groove this moment, alright demolish broken chisel head together with the chisel head seat.

Preferably, the tangent plane shapes of the limiting pin and the clamping groove are both trapezoidal, and the inclined planes of the limiting pin and the clamping groove are both arranged at the bottom.

Through adopting above-mentioned technical scheme, and when needs are installed, be trapezoidal through setting up draw-in groove and spacer pin tip tangent plane shape, and the inclined plane is downward, make when the broken chisel head of installation, can be with the inside of chisel head seat plug-in connection mounting groove, the upper end extrusion spacer pin of chisel head seat this moment, through the direction on inclined plane, make the spacer pin shrink oppress spacing spring, when the draw-in groove contacts the spacer pin, spacing spring resets, thereby spring into the draw-in groove with the spacer pin inside, thereby make broken chisel head easy to assemble and dismantle.

Preferably, buffer gear includes the recess, the recess is seted up in the bottom of chisel head seat, the inside fixed mounting of recess has damping spring, broken chisel head fixed mounting is in damping spring's bottom, damping spring's inside sliding connection has the stiffener, fixed connection in the middle of the bottom of stiffener and the top of broken chisel head, the dashpot has been seted up at the top of recess.

Through adopting above-mentioned technical scheme, through setting up in buffer gear for in the use, accessible damping spring's shrink resets, thereby cushions its life to broken chisel head, and sets up stiffener and buffering groove, can strengthen damping spring, improves its buffering stability.

Preferably, a buffer spring is fixedly installed inside the buffer groove, and the bottom of the buffer spring is fixedly connected with the top of the reinforcing rod.

Through adopting above-mentioned technical scheme, through setting up buffer tank and its inside buffer spring for accessible buffer spring, buffer tank and stiffener cooperate when using, carry out further buffering, thereby improve the life of this quartering hammer.

To sum up, the utility model discloses mainly have following beneficial effect:

firstly, through the matching of the installation groove and the limiting mechanism, when the broken chisel head is worn and damaged and needs to be replaced, the pull ring can be pulled, the pull ring drives the connecting rod at the moment, the connecting rod drives the limiting pin, the limiting pin presses the limiting spring to shrink towards the limiting hole in the fixed block, the limiting pin leaves the clamping groove at the moment, the broken chisel head can be detached together with the chisel head seat, when the broken chisel head needs to be installed, the tangent plane shape of the end part of the clamping groove and the limiting pin is trapezoidal, the inclined plane is downward, when the broken chisel head is installed, the chisel head seat can be inserted into the installation groove, the limiting pin is extruded at the upper end of the chisel head seat at the moment, the limiting pin shrinks to press the limiting spring through the guide of the inclined plane, when the clamping groove is contacted with the limiting pin, the limiting spring resets, so that the limiting pin is popped into the clamping groove, and the broken chisel head is convenient to install and detach;

secondly, the buffering mechanism is arranged, so that the crushing chisel head can be buffered through the contraction and reset of the damping spring in the use process, the service life of the crushing chisel head is prolonged, the reinforcing rod and the buffering groove are arranged, the damping spring can be reinforced, the buffering stability of the damping spring is improved, and the buffering groove and the buffering spring inside the buffering groove are arranged, so that the buffering can be further buffered through the matching of the buffering spring, the buffering groove and the reinforcing rod in the use process, and the service life of the crushing hammer is prolonged;

the third, through setting up spout and spacing draw runner for when the installation, accessible spout and spacing draw runner are pegged graft mutually and are slided, thereby improve the installation stability of chisel seat, and set up mounting panel, mounting hole and fixed column, can be comparatively prevent just install equipment with this quartering hammer on, make things convenient for the use of this quartering hammer, improved the convenient to use nature of this quartering hammer effectively.

Drawings

Fig. 1 is a perspective view of the present invention;

fig. 2 is a schematic structural diagram of the present invention;

fig. 3 is an enlarged view of the structure at a in fig. 2 according to the present invention;

fig. 4 is an enlarged view of the structure at B of fig. 2 according to the present invention.

Reference numerals: 1. a breaking hammer body; 2. mounting grooves; 3. a limiting mechanism; 31. a fixed block; 32. a card slot; 33. a limiting hole; 34. a limiting spring; 35. a connecting rod; 36. a pull ring; 37. a spacing pin; 4. a chisel seat; 5. a buffer mechanism; 51. a groove; 52. a damping spring; 53. a reinforcing bar; 54. a buffer tank; 55. a buffer spring; 6. crushing and chiseling; 7. a chute; 8. a limiting slide bar; 9. mounting a plate; 10. fixing a column; 11. mounting holes; 12. positioning holes; 13. and (4) heat dissipation holes.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Examples

Referring to fig. 1-4, a breaking hammer convenient for changing a chisel head comprises a breaking hammer body 1, a mounting groove 2 is formed in the bottom of the breaking hammer body 1, limiting mechanisms 3 are arranged on two sides of the breaking hammer body 1, the inner side end of each limiting mechanism 3 penetrates through the side wall of the breaking hammer body 1 and extends into the mounting groove 2, a chisel head seat 4 is fixedly mounted in the mounting groove 2 through the limiting mechanisms 3, a buffer mechanism 5 is arranged at the bottom of the chisel head seat 4, a breaking chisel head 6 is mounted at the bottom of the buffer mechanism 5, sliding grooves 7 are formed in the upper ends of two sides of the chisel head seat 4, limiting sliding strips 8 are fixedly mounted at the upper ends of two sides in the mounting groove 2, the limiting sliding strips 8 are slidably connected inside the sliding grooves 7, a mounting plate 9 is fixedly mounted at the top of the breaking hammer body 1, and mounting holes 11 are formed in four corners at the top of the mounting plate 9, the mounting holes 11 penetrate through four corners of the top of the mounting plate 9, and fixing columns 10 are fixedly mounted on the top of the mounting plate 9.

Referring to fig. 1-2, for the purpose of improving heat dissipation efficiency while facilitating installation; the surface of the fixed column 10 is transversely provided with a positioning hole 12, the positioning hole 12 penetrates through the surface of the fixed column 10, heat dissipation holes 13 are arranged in the middle of the front surface and the back surface of the breaking hammer body 1 at equal intervals, and the diameter of each heat dissipation hole 13 is set to be 3.6 MM; through setting up locating hole 12, can conveniently fix fixed column 10, improve installation stability and convenience, through setting up louvre 13, can make this quartering hammer when using, but the inside heat of quartering hammer body 1 dispels the heat fast comes out, improves life.

With reference to fig. 1-3, for the purpose of facilitating the removal of the breaking chisel head 6; the limiting mechanism 3 comprises a fixed block 31 and a clamping groove 32, the fixed block 31 is fixedly arranged at two sides of the breaking hammer body 1, the clamping grooves 32 are arranged at two sides of the drill bit seat 4, the middle of the inner side of the fixing block 31 is transversely provided with a limiting hole 33, the limiting hole 33 penetrates through the fixing block 31 and the side walls of the two sides of the breaking hammer body 1, a limiting spring 34 is fixedly arranged in the limiting hole 33, a connecting rod 35 is connected inside the limiting spring 34 in a sliding manner, a pull ring 36 is fixedly arranged at the outer end of the connecting rod 35 through the fixed block 31, a limit pin 37 is fixedly arranged at the inner side end of the connecting rod 35, the outer side of the limit pin 37 is fixedly connected with the inner side end of the limit spring 34, the limiting pin 37 is inserted into the clamping groove 32, the limiting pin 37 and the clamping groove 32 are trapezoidal in section, and the inclined surfaces of the limiting pin 37 and the clamping groove 32 are arranged at the bottom; when the breaking chisel head 6 is worn and damaged and needs to be replaced, the pull ring 36 can be pulled, the pull ring 36 drives the connecting rod 35, the connecting rod 35 drives the limiting pin 37, the limiting pin 37 presses the limiting spring 34 to shrink towards the limiting hole 33 in the fixing block 31, the limiting pin 37 leaves the clamping groove 32, the breaking chisel head 6 and the chisel head seat 4 can be detached together, when the crushing chisel head 6 needs to be installed, the section of the end part of the clamping groove 32 and the limiting pin 37 is trapezoidal, and the inclined plane is downward, so that when the crushing chisel head 6 is installed, the chisel head seat 4 can be inserted into the mounting groove 2, at the moment, the upper end of the chisel head seat 4 extrudes the limit pin 37, the limit pin 37 is contracted to press the limit spring 34 through the guidance of the inclined plane, when the clamping groove 32 contacts the limit pin 37, the limit spring 34 is reset, so that the stop pin 37 is sprung into the inside of the catching groove 32, thereby making the breaking chisel 6 easy to mount and dismount.

Referring to fig. 1, 2 and 4, for the purpose of improving the service life of the breaking hammer; the buffer mechanism 5 comprises a groove 51, the groove 51 is formed in the bottom of the bit seat 4, a damping spring 52 is fixedly installed in the groove 51, the crushing chisel head 6 is fixedly installed at the bottom of the damping spring 52, a reinforcing rod 53 is slidably connected in the damping spring 52, the bottom of the reinforcing rod 53 is fixedly connected with the middle of the top of the crushing chisel head 6, a buffer groove 54 is formed in the top of the groove 51, a buffer spring 55 is fixedly installed in the buffer groove 54, and the bottom of the buffer spring 55 is fixedly connected with the top of the reinforcing rod 53; through setting up in buffer gear 5, make in the use, accessible damping spring 52's shrink resets, thereby cushion broken chisel head 6, improve its life, and set up stiffener 53 and buffer tank 54, can strengthen damping spring 52, improve its buffering stability, through setting up buffer tank 54 and its inside damping spring 55, make accessible damping spring 55, buffer tank 54 and stiffener 53 cooperate when using, further cushion, thereby improve the life of this quartering hammer.

The use principle and the advantages are as follows: when the crushing chisel head 6 is worn and damaged and needs to be replaced, the pull ring 36 can be pulled, the pull ring 36 drives the connecting rod 35 at the moment, the connecting rod 35 drives the limiting pin 37, the limiting pin 37 presses the limiting spring 34 to shrink towards the limiting hole 33 in the fixing block 31, the limiting pin 37 leaves the clamping groove 32 at the moment, the crushing chisel head 6 together with the chisel head seat 4 can be detached, when the crushing chisel head is required to be installed, the section of the end part of the clamping groove 32 and the limiting pin 37 is trapezoidal, the inclined surface is downward, when the crushing chisel head 6 is installed, the chisel head seat 4 can be inserted into the installation groove 2, the upper end of the chisel head seat 4 extrudes the limiting pin 37 at the moment, the limiting pin 37 shrinks to press the limiting spring 34 through the guidance of the inclined surface, when the clamping groove 32 contacts the limiting pin 37, the limiting spring 34 resets, the limiting pin 37 is popped into the clamping groove 32, and the crushing chisel head 6 is convenient to install and detach, through the arrangement of the buffer mechanism 5, the breaking hammer can be reset through the contraction of the damping spring 52 in the use process, the breaking chisel head 6 is buffered, the service life of the breaking chisel head is prolonged, the reinforcing rod 53 and the buffer groove 54 are arranged, the damping spring 52 can be reinforced, the buffering stability of the breaking hammer is improved, through the arrangement of the buffer groove 54 and the buffer spring 55 inside the buffer groove, the buffer spring 55, the buffer groove 54 and the reinforcing rod 53 can be matched for further buffering in the use process, the service life of the breaking hammer is prolonged, through the arrangement of the sliding groove 7 and the limiting sliding strip 8, when the breaking hammer is installed, the sliding groove 7 and the limiting sliding strip 8 can be mutually inserted and slide, the installation stability of the chisel head seat 4 is improved, in addition, the installation plate 9, the installation hole 11 and the fixing column 10 are arranged, the breaking hammer can be conveniently installed on equipment, and the use of the breaking hammer is facilitated, the use convenience of the breaking hammer is effectively improved.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a quartering hammer convenient to change chisel head, includes quartering hammer body (1), its characterized in that: the bottom of quartering hammer body (1) is provided with a mounting groove (2), both sides of quartering hammer body (1) are provided with limiting mechanisms (3), the inner side end of limiting mechanism (3) runs through the inside of side wall of quartering hammer body (1) and extends to mounting groove (2), mounting groove (2) is fixedly provided with a chisel seat (4) through limiting mechanisms (3), the bottom of chisel seat (4) is provided with a buffer mechanism (5), the bottom of buffer mechanism (5) is provided with a breaking chisel head (6), both upper ends of chisel seat (4) are provided with sliding grooves (7), both upper ends of mounting groove (2) are fixedly provided with limiting sliding strips (8), the limiting sliding strips (8) are connected to the inside of sliding grooves (7) in a sliding manner, the top of quartering hammer body (1) is fixedly provided with a mounting plate (9), and mounting holes (11) are formed in four corners of the top of mounting plate (9), the mounting holes (11) penetrate through four corners at the top of the mounting plate (9), and fixing columns (10) are fixedly mounted at the top of the mounting plate (9).

2. A demolition hammer facilitating chisel head replacement as claimed in claim 1 wherein: the surface of the fixed column (10) is transversely provided with a positioning hole (12), and the positioning hole (12) penetrates through the surface of the fixed column (10).

3. A demolition hammer facilitating chisel head replacement as claimed in claim 1 wherein: radiating holes (13) are formed in the middle of the front face and the back face of the breaking hammer body (1) at equal intervals, and the diameter of each radiating hole (13) is set to be 3.6 MM.

4. A demolition hammer facilitating chisel head replacement as claimed in claim 1 wherein: the limiting mechanism (3) comprises a fixing block (31) and a clamping groove (32), the fixing block (31) is fixedly arranged on two sides of the breaking hammer body (1), the clamping grooves (32) are arranged at two sides of the drill bit seat (4), the middle of the inner side of the fixing block (31) is transversely provided with a limiting hole (33), the limiting hole (33) penetrates through the fixing block (31) and the side walls of the two sides of the breaking hammer body (1), a limiting spring (34) is fixedly arranged in the limiting hole (33), a connecting rod (35) is connected in the limiting spring (34) in a sliding manner, the outer end of the connecting rod (35) penetrates through the fixed block (31) and is fixedly provided with a pull ring (36), the limiting pin (37) is fixedly mounted at the end part of the inner side of the connecting rod (35), the outer side of the limiting pin (37) is fixedly connected with the end part of the inner side of the limiting spring (34), and the limiting pin (37) is inserted into the clamping groove (32).

5. A demolition hammer facilitating chisel head replacement as claimed in claim 4 wherein: the tangent plane shape of spacer pin (37) and draw-in groove (32) is trapezoidal, the inclined plane of spacer pin (37) and draw-in groove (32) all sets up in the bottom.

6. A demolition hammer facilitating chisel head replacement as claimed in claim 1 wherein: buffer gear (5) include recess (51), the bottom of chisel head seat (4) is seted up in recess (51), the inside fixed mounting of recess (51) has damping spring (52), broken chisel head (6) fixed mounting is in damping spring (52) bottom, the inside sliding connection of damping spring (52) has stiffener (53), fixed connection in the middle of the bottom of stiffener (53) and the top of broken chisel head (6), buffer slot (54) have been seted up at the top of recess (51).

7. A demolition hammer facilitating chisel head replacement as claimed in claim 6 wherein: the buffer groove (54) is internally and fixedly provided with a buffer spring (55), and the bottom of the buffer spring (55) is fixedly connected with the top of the reinforcing rod (53).