CN217267446U - Buffering heat radiation structure of percussion hammer core - Google Patents
Buffering heat radiation structure of percussion hammer core Download PDFInfo
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- CN217267446U CN217267446U CN202220909106.3U CN202220909106U CN217267446U CN 217267446 U CN217267446 U CN 217267446U CN 202220909106 U CN202220909106 U CN 202220909106U CN 217267446 U CN217267446 U CN 217267446U
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Abstract
The utility model relates to a buffer heat dissipation structure of a hammer core of an impact hammer, a plurality of stacked buffer cushions are arranged at the bottom of a hammer lifting mounting seat, the drop hammer absorbs the returned partial energy to buffer and damp the hammer core, a plurality of stacked buffer rings are sleeved outside the hammer lifting mounting seat and are abutted against the hammer core cover, when the hammer core is lifted, the stress amplitude is reduced to buffer and absorb shock, so that the hammer core and the top oil cylinder are protected from being damaged, but because the buffer cushion and the buffer ring absorb a large amount of energy under long-term severe working conditions, the temperature of the buffer cushion and the buffer ring rises, and the working conditions of melting and adhesion can occur, and a heat dissipation air passage is arranged in the hammer lifting mounting seat, so that the heat dissipation air passage is respectively communicated with the hammer lifting cavity and the hammer falling cavity, will carry the steam in hammer chamber and the hammer intracavity that falls and take out at the pile in-process, the inside and outside air is impressed, has reduced the temperature of blotter and buffering ring, avoids taking place the adhesion, very big improvement the life of blotter and buffering ring.
Description
Technical Field
The utility model relates to an engineering machine tool field, in particular to impact hammer core's buffering heat radiation structure.
Background
The construction method is characterized in that a timber pile or a stone pile is hammered into the ground, in order to make the foundation of the building firm, if the ground building is built on the ground, the ground is subjected to great pressure, the ground is required to have enough strength to resist the pressure, which is difficult to achieve, the ground bearing the building is required to be reinforced or the bearing mode of the ground is improved, so that the foundation is considered to be piled, most of the weight of the building is transmitted to a position deep below the ground through the pile, and the bearing capacity of the ground at the position is much larger than that of the ground.
When the pile is driven in construction, the impact hammer overcomes the resistance of foundation soil to the pile by using the impact energy of the hammer core, wherein the top oil cylinder lifts the hammer core to a certain height and then quickly releases the hammer core, the hammer core is driven to form an anvil block in a falling impact mode, the anvil block is transmitted to the pile, the pile made of wood piles or stone piles and the like is hammered into the deep part of the ground, and as the acting force on the hammer core is very large when the hammer is lifted and the hammer falls, particularly when the geology is hard and the pipe pile is difficult to sink, a large amount of striking energy is transmitted back to the hammer core and is transmitted back to the oil cylinder and other structures through the connected structure, if the impact energy is not absorbed, the service life and the use cost of the pile hammer are influenced.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that to the not enough of above-mentioned prior art, a buffering heat radiation structure of jump bit hammer core is provided.
In order to achieve the above purpose, the utility model provides a following technical scheme: the utility model provides a buffering heat radiation structure of percussion hammer core, includes hammer core body and carries hammer mount pad, its characterized in that: the hammer comprises a hammer core body, a hammer core cover, a buffer seat, a hammer core cover, a hammer lifting part, a plurality of buffer pads, a plurality of buffer rings, a heat dissipation air passage and a hammer lifting air outlet, wherein the buffer cavity is arranged at one end of the hammer core body, which corresponds to a hammer lifting mounting seat, one end of the hammer lifting mounting seat is provided with the buffer seat, which corresponds to the hammer lifting mounting seat, the buffer seat is inserted into the buffer cavity, the hammer lifting part of the hammer lifting mounting seat penetrates out of the hammer core cover, the buffer cavity is separated into a hammer lifting cavity and a hammer falling cavity by taking the buffer seat as a boundary, one end of the buffer seat, which corresponds to the falling cavity, is provided with the buffer pads, the outer peripheral surface of the hammer lifting cavity, which corresponds to the hammer lifting part, is sleeved with the buffer rings, one end of each buffer ring abuts against the hammer core cover, the other end of the buffer seat, one end of each buffer pad abuts against the hammer core body, the other end of the hammer lifting mounting seat is provided with the heat dissipation air passage, one end of each heat dissipation air passage penetrates out of the hammer lifting mounting seat to form the hammer air outlet, the other end is respectively communicated with the hammer falling cavity and the hammer lifting cavity.
By adopting the technical scheme, a buffer cavity is arranged at one end of the hammer core body corresponding to the hammer lifting mounting seat, the buffer seat of the hammer lifting mounting seat is inserted into the buffer cavity, the hammer lifting part is exposed outside the buffer cavity and is locked by the hammer core cover, the buffer cavity is divided into a hammer lifting cavity and a hammer falling cavity by taking the buffer seat as a boundary, a plurality of overlapped buffer cushions are arranged at the bottom of the hammer lifting mounting seat, part of energy absorbed by the hammer falling during hammer core is used for buffering and damping, a plurality of overlapped buffer rings are sleeved outside the hammer lifting mounting seat and abut against the hammer core cover, the stress amplitude is reduced during hammer core lifting, the shock absorption is carried out, the hammer core and a top oil cylinder are protected from being damaged, but because the buffer cushions and the buffer rings absorb a large amount of return energy under the long-term severe working condition, the working conditions of melting and adhesion can occur due to the rising of the temperature of the buffer cushions and the buffer rings, and a heat dissipation air passage is arranged in the hammer lifting mounting seat, make the heat dissipation air flue switch on with carrying hammer chamber and drop hammer chamber respectively, will carry the steam in hammer chamber and the drop hammer intracavity at the pile in-process and take out, the inside and outside air is impressed, has reduced the temperature of blotter and cushion ring, avoids taking place to glue even, very big improvement the life of blotter and cushion ring.
The above-mentioned buffering heat radiation structure of percussion hammer core can further set up as: the center of blotter has the opening, the hammer core body is equipped with the air change way corresponding to the bottom in hammer chamber that falls, air change way one end switches on with the hammer chamber that falls, and the venthole that the other end and hammer core body surface were seted up switches on, air change way and heat dissipation air flue all face the central opening part of blotter.
Adopt above-mentioned technical scheme, the center of blotter has and trades the opening that the air flue all switches on with heat dissipation air flue to set up a scavenge hole again on hammer core body, make at the quick whereabouts in-process of hammer core, the temperature between the intracavity blotter of the hammer that falls has been reduced to steam and outside air conditioning convection, greatly improves the life of blotter in the buffer.
The above-mentioned buffering heat radiation structure of percussion hammer core can further set up as: and space rings are arranged between the adjacent buffer cushions and the adjacent buffer rings.
Adopt above-mentioned technical scheme, blotter and cushion ring absorb a large amount of energy in long-term abominable operating mode, and the temperature rising of blotter and cushion ring can appear melting with the operating mode of adhesion, through increasing the spacer ring that the heat conductivity is good, has reduced the temperature between blotter and cushion ring, avoids melting back product adhesion, leads to buffer structure's buffering effect variation or scrap.
The above-mentioned buffering heat radiation structure of percussion hammer core can further set up as: the hammer core cover is provided with a through groove matched with the hammer lifting part, the outer diameter of the buffer seat is larger than the inner diameter of the through groove, the through groove is provided with a stop groove, and the hammer lifting part is provided with a bolt clamped in the stop groove.
Adopt above-mentioned technical scheme, through setting up the locking groove, avoid the hoist and mount in-process, carry the hammer mount pad and can rotate round the hammer core, lead to hoist and mount rope to be twined.
The above-mentioned buffering heat radiation structure of percussion hammer core can further set up as: the hammer core comprises a hammer core body and is characterized in that one end of the hammer core body, corresponding to a hammer core cover, is provided with an installation groove matched with the hammer core cover, at least two thread installation holes are formed in the installation groove, and the hammer core cover is inserted into the installation groove and is connected with the thread installation holes through bolts.
Adopt above-mentioned technical scheme, be connected through bolt and screw thread mounting hole between hammer core body and the hammer core lid, realize dismantling the connection, and then can be with hammer core body and hammer core lid quickly separating when equipment hammer core or maintenance buffer structure, the hammer core lid replaces the bolt to bear the horizontal shearing force of bolt in inserting the mounting groove simultaneously, avoids the bolt fracture.
The above-mentioned buffering heat radiation structure of percussion hammer core can further set up as: the buffer pad is made of polyurethane materials, and the buffer ring is made of rubber.
By adopting the technical scheme, the polyurethane material has rebound resilience and mechanical property, has smaller compression deformability, and the rubber also has the characteristics of large elasticity, large deformation under the action of very small external force and capability of recovering the original shape after the external force is removed, so that the polyurethane material can realize efficient buffering and damping.
The present invention will be further described with reference to the accompanying drawings.
Drawings
Fig. 1 is a cross-sectional view of an embodiment of the present invention.
Fig. 2 is an enlarged view of fig. 1 at a.
Fig. 3 is a schematic perspective view of an embodiment of the present invention.
Detailed Description
As shown in fig. 1-3, a buffering and heat dissipating structure of a hammer core of an impact hammer comprises a hammer core body 1 and a hammer lifting mounting seat 2, wherein a buffer chamber 11 is formed at one end of the hammer core body 1 corresponding to the hammer lifting mounting seat 2, a buffer seat 21 corresponding to the buffer chamber 11 is arranged at one end of the hammer lifting mounting seat 2, a hammer lifting portion 22 is arranged at the other end of the hammer lifting mounting seat 2, a hammer core cover 3 for limiting the buffer seat 21 in the buffer chamber 11 is arranged on the hammer core body 1, the buffer seat 21 is inserted in the buffer chamber 11, the hammer lifting portion 22 penetrates out of the hammer core cover 3, the buffer chamber 11 is further divided into a hammer lifting chamber 12 and a hammer falling chamber 13 by taking the buffer seat 21 as a boundary, a plurality of cushion pads 4 are arranged at one end of the buffer seat 11 corresponding to the falling chamber 13, a plurality of cushion rings 5 are sleeved on the outer peripheral surface of the hammer lifting portion 22 corresponding to the hammer chamber 12, one end of the cushion rings 5 abuts against the hammer core cover 3, the other end of the buffer cushion 4 abuts against the buffer seat 21, one end of the buffer cushion 4 abuts against the buffer seat 21, the other end of the buffer cushion 4 abuts against the hammer core body 1, a heat dissipation air passage 6 is arranged in the hammer lifting mounting seat 2, one end of the heat dissipation air passage 6 penetrates out of the hammer lifting mounting seat 21 to form a hammer lifting air outlet 61, the other end of the heat dissipation air passage is respectively communicated with the hammer lifting cavity 13 and the hammer lifting cavity 12, an opening 41 is formed in the center of the buffer cushion 4, an air exchange passage 7 is arranged at the bottom of the hammer core body 1 corresponding to the hammer cavity 13, one end of the air exchange passage 7 is communicated with the hammer cavity 13, the other end of the air exchange passage is communicated with a ventilation hole 12 formed in the surface of the hammer core body 1, the air exchange passage 7 and the heat dissipation air passage 6 face the opening 41 in the center of the buffer cushion 4, a spacer ring 8 is arranged between the adjacent buffer cushion 4 and the adjacent buffer ring 5, a through groove 31 matched with the hammer core cover 3 is formed in the hammer lifting portion 22, the outer diameter of the buffer seat 21 is larger than the inner diameter of the through groove 31, the hammer comprises a through groove 31, a stop groove 32 is arranged on the through groove 31, a bolt 23 clamped in the stop groove 32 is arranged on a hammer lifting part 22, an installation groove 13 matched with a hammer core cover 3 is arranged at one end of the hammer core body 1 corresponding to the hammer core cover 3, at least two threaded installation holes 14 are arranged in the installation groove 13, the hammer core cover 3 is inserted into the installation groove 13 and connected with the threaded installation holes 14 through bolts, a cushion pad 4 is made of polyurethane materials, and a cushion ring 5 is made of rubber.
Claims (6)
1. The utility model provides a buffering heat radiation structure of percussion hammer core, includes hammer core body and carries hammer mount pad, its characterized in that: the hammer core body is provided with a buffer cavity corresponding to one end of the hammer lifting mounting seat, one end of the hammer lifting mounting seat is provided with a buffer seat corresponding to the buffer cavity, the other end of the hammer lifting mounting seat is provided with a hammer lifting part, the hammer core body is provided with a hammer core cover limiting the buffer seat in the buffer cavity, the buffer seat is inserted in the buffer cavity, the hammer lifting part penetrates out of the hammer core cover, the buffer cavity is further divided into a hammer lifting cavity and a hammer falling cavity by taking the buffer seat as a boundary, one end of the buffer seat corresponding to the hammer falling cavity is provided with a plurality of buffer cushions, the peripheral surface of the hammer lifting part corresponding to the hammer lifting cavity is sleeved with a plurality of buffer rings, one end of each buffer ring abuts against the hammer core cover, the other end of each buffer ring abuts against the buffer seat, one end of each buffer cushion abuts against the buffer seat, the other end of each buffer abuts against the hammer core body, a heat dissipation air passage is arranged in the hammer lifting mounting seat, one end of each heat dissipation air passage penetrates out of the hammer lifting mounting seat to form a hammer lifting air outlet, the other end is respectively communicated with the drop hammer cavity and the lifting hammer cavity.
2. The buffering and heat dissipating structure of the hammer core of the impact hammer as claimed in claim 1, wherein: the center of blotter has the opening, the hammer core body is equipped with the air change way corresponding to the bottom in hammer chamber that falls, air change way one end switches on with the hammer chamber that falls, and the venthole that the other end and hammer core body surface were seted up switches on, air change way and heat dissipation air flue all face the central opening part of blotter.
3. The buffering and heat dissipating structure of the hammer core of the impact hammer as claimed in claim 2, wherein: and space rings are arranged between the adjacent buffer pads and the adjacent buffer rings.
4. The buffering and heat dissipating structure of the hammer core of an impact hammer according to any one of claims 1 to 3, wherein: the hammer core cover is provided with a through groove matched with the hammer lifting part, the outer diameter of the buffer seat is larger than the inner diameter of the through groove, the through groove is provided with a stop groove, and the hammer lifting part is provided with a bolt clamped in the stop groove.
5. The buffering and heat dissipating structure of the hammer core of an impact hammer as set forth in any one of claims 1 to 3, wherein: the hammer core comprises a hammer core body and is characterized in that one end of the hammer core body, corresponding to a hammer core cover, is provided with an installation groove matched with the hammer core cover, at least two thread installation holes are formed in the installation groove, and the hammer core cover is inserted into the installation groove and is connected with the thread installation holes through bolts.
6. The buffering and heat dissipating structure of the hammer core of an impact hammer according to any one of claims 1 to 3, wherein: the buffer pad is made of polyurethane materials, and the buffer ring is made of rubber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220909106.3U CN217267446U (en) | 2022-04-19 | 2022-04-19 | Buffering heat radiation structure of percussion hammer core |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220909106.3U CN217267446U (en) | 2022-04-19 | 2022-04-19 | Buffering heat radiation structure of percussion hammer core |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217267446U true CN217267446U (en) | 2022-08-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220909106.3U Active CN217267446U (en) | 2022-04-19 | 2022-04-19 | Buffering heat radiation structure of percussion hammer core |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217267446U (en) |
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2022
- 2022-04-19 CN CN202220909106.3U patent/CN217267446U/en active Active
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