CN212582670U - Buffer structure of hydraulic hammer - Google Patents
Buffer structure of hydraulic hammer Download PDFInfo
- Publication number
- CN212582670U CN212582670U CN202021129678.7U CN202021129678U CN212582670U CN 212582670 U CN212582670 U CN 212582670U CN 202021129678 U CN202021129678 U CN 202021129678U CN 212582670 U CN212582670 U CN 212582670U
- Authority
- CN
- China
- Prior art keywords
- pile cap
- buffer
- hammer
- hydraulic hammer
- piece
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Placing Or Removing Of Piles Or Sheet Piles, Or Accessories Thereof (AREA)
Abstract
The utility model relates to a buffer structure of a hydraulic hammer, which comprises a hammer frame, a pile cap arranged below the hammer frame, a replacing block arranged in the pile cap, a second buffer piece arranged between the hammer frame and the pile cap and a first buffer piece arranged in the pile cap; the pile cap is of an inverted funnel-shaped structure, and the replacing block comprises a conical part and a protruding part which is integrally formed with the conical part and is positioned in the middle of the conical part; the second buffer part is of an annular structure, the hollow part of the second buffer part is used for the hammer core to pass through, and the second buffer part is positioned on the upward moving path of the protruding part; the first buffer piece comprises a plurality of elastic abutting plates which are obliquely and outwards arranged relative to the upper surface of the conical part, one end of each abutting plate is detachably and fixedly connected with the pile cap, and the other end of each abutting plate is positioned on the upward moving path of the conical part; the utility model discloses can cushion the speed reduction to taking over to beat the piece to reduce the damage of hammer carrier, and then ensure the life of hydraulic hammer.
Description
Technical Field
The utility model belongs to the technical field of the technique of hydraulic hammer structure and specifically relates to a buffer structure of hydraulic hammer is related to.
Background
The pile foundation is a construction engineering foundation form widely applied to land and sea; with the increasing development and progress of the engineering construction in China, ocean engineering, sea filling and island building, offshore wind power, large bridges, high-rise buildings on land and the like in China are greatly improved, the pile foundation construction difficulty of the engineering becomes higher and higher, the length and the diameter of a foundation pile become larger and larger, so that a piling machine for penetrating the foundation pile into the stratum is required to have higher striking energy and higher striking frequency, and in order to meet the construction requirement, a hydraulic piling hammer enters the visual field of people.
Chinese patent with publication number CN210216416U discloses a noise-control hydraulic pile hammer, which comprises a hammer core, a guide cylinder and a hydraulic cylinder, wherein the hammer core is movably arranged in the guide cylinder, the extending end of a piston rod of the hydraulic cylinder is connected with the hammer core, an outer cylinder shell is sleeved outside the guide cylinder, an adjacent sound-absorbing layer and a flow-buffering cavity are arranged between the guide cylinder and the outer cylinder shell, a sound-absorbing pipe is embedded in the sound-absorbing layer, and one end of the sound-absorbing pipe is led to the flow-buffering cavity; the guide cylinder is also provided with a through-flow hole which also leads to the flow slowing cavity. The guide cylinder is provided with an inner cylinder through hole, and the pipe wall of the sound absorption pipe is provided with a pipe wall through hole. A replacing block is movably arranged in the guide cylinder below the hammer core, a replacing beating sound absorption layer is arranged between the guide cylinder corresponding to the replacing beating block and the outer cylinder shell, and a replacing beating position through hole is arranged on the guide cylinder corresponding to the replacing beating sound absorption layer.
The above prior art solutions have the following drawbacks: when the hammer core beats the secondary beating block, the acting force of the hammer core on the secondary beating block is very large, the transmission time is very short, and the secondary beating block rebounds upwards quickly to collide with the hammer frame, so that the damage of the hammer frame is possibly caused, and the service life of the hydraulic hammer is further shortened.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a hydraulic hammer's buffer structure can cushion the speed reduction to replacing the piece of beating to reduce the damage of hammer carrier, and then ensure hydraulic hammer's life.
The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme:
a buffer structure of a hydraulic hammer comprises a hammer frame, a pile cap arranged below the hammer frame, a replacing block arranged in the pile cap, a second buffer piece arranged between the hammer frame and the pile cap and a first buffer piece arranged in the pile cap; the pile cap is of an inverted funnel-shaped structure, and the replacing block comprises a conical part and a protruding part which is integrally formed with the conical part and is positioned in the middle of the conical part; the second buffer part is of an annular structure, a hammer core penetrates through the hollow part of the second buffer part, and the second buffer part is positioned on the upward moving path of the protruding part; the first buffer piece comprises a plurality of elastic abutting plates which are opposite to the upper surface of the conical part and are obliquely and outwards arranged, one end of each abutting plate is fixedly connected with the corresponding detachable pile cap, and the other end of each abutting plate is located on the path of the upward movement of the conical part.
By adopting the technical scheme, when the replacing hitting block rebounds quickly, the replacing hitting block is firstly contacted with the lower end of the abutting plate, the abutting plate is elastically deformed by the upward impact force of the conical part, namely, the impact potential energy is converted into the elastic potential energy, so that the replacing hitting block is subjected to first speed reduction buffering, the replacing hitting block with the speed reduced continuously moves upwards, the protruding part of the replacing hitting block is contacted with the second buffering part, and the second buffering part is subjected to second speed reduction buffering; through the arrangement of the first buffer member and the second buffer member, the multi-stage speed reduction buffering can be performed on the secondary striking block, so that the impact potential energy of the secondary striking block and the vibration transmitted to the hammer frame by the secondary striking block are reduced, the damage to the hammer frame is further reduced, and the service life of the hydraulic hammer is ensured; and through the detachable connection that sets up butt joint board and pile cap, can be convenient for replace the butt joint board of single damage.
The present invention may be further configured in a preferred embodiment as: the upper surface of the conical part is a conical surface, and the abutting plates are uniformly distributed along the circumference of the second buffer piece.
By adopting the technical scheme, the conical surface of the conical part plays a role of a guide surface, when the conical part moves upwards and is abutted against the abutting plate, the counterforce of the abutting plate on the conical surface is divided into component force for forcing the replacing block to move radially, and the radial component force of the plurality of abutting plates which are circumferentially arranged is combined into a centering force, namely, the axis of the replacing block and the axis of the second buffer member are forced to coincide, so that the uniformity of the contact surface of the replacing block and the second buffer member is ensured when the replacing block is contacted with the second buffer member, the local abrasion of the second buffer member is reduced, and the damping and buffering effect of the second buffer member is ensured.
The present invention may be further configured in a preferred embodiment as: the lower end of the abutting plate is set to be a round edge.
Adopt above-mentioned technical scheme, can ensure the butt joint board elastic deformation in-process, the butt process of its lower extreme and the conical surface of circular cone portion is comparatively comfortable.
The present invention may be further configured in a preferred embodiment as: the lower tip slope of butt joint board is outwards just upwards extended has one section expansion plate, the cross section of expansion plate is continuous Z shape.
By adopting the technical scheme, the telescopic piece has the characteristic of elastic expansion due to the structure, so when the abutting plate abuts against the secondary striking block and is elastically deformed, the telescopic piece moves towards the direction of the inner conical surface of the pile cap along with the deformation of the abutting plate, the telescopic piece abuts against the inner conical surface of the pile cap and is elastically compressed, and the impact potential energy of the secondary striking block is further absorbed; and the setting of flexible piece can avoid the excessive elastic deformation of butt joint board, has both strengthened the structural strength of butt joint board and has improved the speed reduction buffering effect of first bolster again to improve the life of first bolster.
The present invention may be further configured in a preferred embodiment as: the pile cap is provided with an observation window, the position of the observation window corresponds to that of the abutting plate, and a transparent acrylic plate is arranged in the observation window.
By adopting the technical scheme, the internal condition of the pile cap can be regularly observed through the observation window, so that the damage condition of the first buffer piece can be timely found, and the first buffer piece can be timely replaced.
The present invention may be further configured in a preferred embodiment as: the butt joint board is kept away from the one end integrated into one piece of expansion piece has the installation department, the installation department with the interior conical surface laminating of pile cap, just the installation department with the pile cap passes through bolt and nut fixed connection.
By adopting the technical scheme, the installation part can realize stable fixed connection between the abutting plate and the pile cap.
The present invention may be further configured in a preferred embodiment as: and a reinforcing rib plate is protruded from one end of the abutting plate, which is far away from the telescopic sheet, and faces the side wall of the inner conical surface of the pile cap, and the side edge of the reinforcing rib plate is abutted against the inner conical surface of the pile cap.
Adopt above-mentioned technical scheme, through setting up the reinforced floor, can reduce the deformation degree that the butt plate is close to installation department one side, be about to the elastic deformation region transfer of butt plate to reinforced floor department, and the reinforced floor can improve the structural strength of butt plate, and then ensures the life of first bolster.
The present invention may be further configured in a preferred embodiment as: the butt joint plate is made of butadiene rubber.
By adopting the technical scheme, the wear-resisting rubber belt has better wear resistance and elasticity, and can be better suitable for the working condition of frequent wear.
To sum up, the utility model discloses a following at least one useful technological effect:
1. through the arrangement of the first buffer member and the second buffer member, the multi-stage speed reduction buffering can be performed on the secondary striking block, so that the impact potential energy of the secondary striking block and the vibration transmitted to the hammer frame by the secondary striking block are reduced, the damage to the hammer frame is further reduced, and the service life of the hydraulic hammer is ensured;
2. by arranging the telescopic sheet, the impact potential energy of the forging replacing block can be further absorbed due to the elastic telescopic characteristic; and can avoid the excessive elastic deformation of butt joint board to improve the life of first bolster.
Drawings
FIG. 1 is a sectional view of the overall structure of the present embodiment;
FIG. 2 is an enlarged view of a portion of FIG. 1 at A;
fig. 3 is a schematic view of the state of the impact pad of the present embodiment in contact with the first cushion member.
In the figure, 1, a hammer frame; 2. pile caps; 3. replacing the block; 4. a second buffer member; 5. a first buffer member; 6. an observation window; 10. a hammer core; 11. an upper flange; 21. a lower flange; 22. fencing; 31. a conical section; 32. a projection; 41. a bevel; 51. a butt joint plate; 52. an installation part; 53. a stretchable sheet; 54. and a reinforcing rib plate.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
As shown in fig. 1, a buffering structure of a hydraulic hammer disclosed in the present invention includes a hammer frame 1, a pile cap 2 installed below the hammer frame 1, a pad 3 disposed in the pile cap 2, a second buffer member 4 disposed between the hammer frame 1 and the pile cap 2, and a first buffer member 5 disposed in the pile cap 2; wherein first bolster 5 and second bolster 4 are the butadiene rubber material, and pile cap 2 is established to the funnel form structure of falling, and the last port of pile cap 2 is the osculum, and the lower port of pile cap 2 has one section to enclose fender 22 for macrostoma and downwardly extending, replaces to beat piece 3 and includes circular cone portion 31, and circular cone portion 31 upper surface is established to the conical surface, and the middle part integrated into one piece of circular cone portion 31 has bulge 32, and the top edge department of bulge 32 has the chamfer.
As shown in fig. 1, the lower end of the hammer frame 1 is flange-connected to the upper end of the pile cap 2, a section of upper flange 11 extends inward from the inner side of the hammer frame 1, a section of lower flange 21 extends inward from the upper end of the pile cap 2, an annular region is formed between the upper flange 11 and the lower flange 21, the hammer core 10 passes through the hollow part of the annular region, the second buffer 4 is of an annular structure, the second buffer 4 is located in the annular region, the second buffer 4 is located on the upward movement path of the protruding portion 32, and an inclined surface 41 matched with the chamfer of the protruding portion 32 is arranged at the inner side of the lower end of the second buffer 4.
As shown in fig. 1 and 2, the first buffer 5 includes a plurality of abutting plates 51, and each abutting plate 51 is uniformly arranged along the circumference of the second buffer 4; the abutting plate 51 is obliquely and outwards arranged relative to the conical surface of the conical part 31, the upper end of the abutting plate 51 is integrally formed with a mounting part 52, the mounting part 52 is attached to the inner conical surface of the pile cap 2, the mounting part 52 is fixedly connected with the pile cap 2 through bolts and nuts, a reinforcing rib plate 54 is protruded from the upper end of the abutting plate 51 and faces the side wall of the inner conical surface of the pile cap 2, and the side edge of the reinforcing rib plate 54 is abutted to the inner conical surface of the pile cap 2; the lower end of the abutting plate 51 is set to be a round edge, the lower end of the abutting plate 51 is inclined outwards and extends upwards to form a section of telescopic sheet 53, and the cross section of the telescopic sheet 53 is in a continuous Z shape.
The implementation principle of the embodiment is as follows: when the striking block 3 rebounds upwards quickly, the striking block 3 contacts with the lower end of the abutting plate 51 first, the abutting plate 51 is elastically deformed by the upward impact force of the conical part 31, that is, the impact potential energy is converted into elastic potential energy, so that the striking block 3 is subjected to first deceleration buffering, when the abutting plate 51 deforms in an outward offset manner, the telescopic piece 53 moves towards the direction of the inner conical surface of the pile cap 2 along with the deformation of the abutting plate 51, the telescopic piece 53 abuts against the inner conical surface of the pile cap 2 and is elastically compressed (see fig. 3), and the impact potential energy of the striking block 3 is further absorbed;
then, the replaced hitting block 3 with the reduced speed continues to move upwards, the chamfer of the protruding portion 32 of the replaced hitting block contacts with the inclined surface 41 of the second buffer member 4, so that the second buffer member 4 performs secondary speed reduction buffering on the replaced hitting block 3, multi-stage speed reduction buffering on the replaced hitting block 3 is further formed, impact potential energy of the replaced hitting block 3 and vibration of the replaced hitting block 3 transmitted to the hammer frame 1 are reduced, damage to the hammer frame 1 is further reduced, and the service life of the hydraulic hammer is guaranteed.
The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.
Claims (8)
1. The utility model provides a buffer structure of hydraulic hammer which characterized in that: comprises a hammer frame (1), a pile cap (2) arranged below the hammer frame (1), a replacing block (3) arranged in the pile cap (2), a second buffer member (4) arranged between the hammer frame (1) and the pile cap (2) and a first buffer member (5) arranged in the pile cap (2); the pile cap (2) is of an inverted funnel-shaped structure, and the replacing block (3) comprises a conical part (31) and a protruding part (32) which is integrally formed with the conical part (31) and is positioned in the middle of the conical part (31); the second buffer piece (4) is of an annular structure, a hammer core (10) penetrates through the hollow part of the second buffer piece (4), and the second buffer piece (4) is positioned on the upward moving path of the protruding part (32); first bolster (5) include a plurality of relatively the outside elasticity butt joint board (51) that set up of circular cone portion (31) upper surface slope, butt joint board (51) one end with the detachable fixed connection of pile cap (2), butt joint board (51) the other end is located on the path of the rebound of circular cone portion (31).
2. The cushioning structure of a hydraulic hammer according to claim 1, characterized in that: the upper surface of the conical part (31) is a conical surface, and the abutting plates (51) are uniformly distributed along the circumference of the second buffer piece (4).
3. The cushioning structure of a hydraulic hammer according to claim 1, characterized in that: the lower end of the abutting plate (51) is set to be a round edge.
4. The cushion structure of a hydraulic hammer according to claim 3, wherein: the lower end of the abutting plate (51) inclines outwards and upwards extends to form a section of telescopic sheet (53), and the cross section of the telescopic sheet (53) is in a continuous Z shape.
5. The cushion structure of a hydraulic hammer according to claim 4, wherein: the pile cap (2) is provided with an observation window (6) which is arranged corresponding to the abutting plate (51), and a transparent acrylic plate is arranged in the observation window (6).
6. The cushion structure of a hydraulic hammer according to claim 5, wherein: the butt joint board (51) is kept away from one end integrated into one piece of expansion piece (53) has installation department (52), installation department (52) with the interior conical surface laminating of pile cap (2), just installation department (52) with pile cap (2) pass through bolt and nut fixed connection.
7. The cushion structure of a hydraulic hammer according to claim 6, wherein: and a reinforcing rib plate (54) is convexly formed on one end, far away from the telescopic sheet (53), of the abutting plate (51) and faces the side wall of the inner conical surface of the pile cap (2), and the side edge of the reinforcing rib plate (54) is abutted against the inner conical surface of the pile cap (2).
8. The cushioning structure of a hydraulic hammer according to claim 1, characterized in that: the abutting plate (51) is made of butadiene rubber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021129678.7U CN212582670U (en) | 2020-06-17 | 2020-06-17 | Buffer structure of hydraulic hammer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021129678.7U CN212582670U (en) | 2020-06-17 | 2020-06-17 | Buffer structure of hydraulic hammer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212582670U true CN212582670U (en) | 2021-02-23 |
Family
ID=74650145
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021129678.7U Active CN212582670U (en) | 2020-06-17 | 2020-06-17 | Buffer structure of hydraulic hammer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212582670U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114216643A (en) * | 2021-12-15 | 2022-03-22 | 亚龙智能装备集团股份有限公司 | Magnetic separation anti-collision detection device |
| CN115233670A (en) * | 2021-04-23 | 2022-10-25 | 东台市巨力机械制造有限公司 | Guide rod type diesel big hammer device |
-
2020
- 2020-06-17 CN CN202021129678.7U patent/CN212582670U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115233670A (en) * | 2021-04-23 | 2022-10-25 | 东台市巨力机械制造有限公司 | Guide rod type diesel big hammer device |
| CN115233670B (en) * | 2021-04-23 | 2023-09-15 | 东台市巨力机械制造有限公司 | Guide rod type diesel oil large hammer device |
| CN114216643A (en) * | 2021-12-15 | 2022-03-22 | 亚龙智能装备集团股份有限公司 | Magnetic separation anti-collision detection device |
| CN114216643B (en) * | 2021-12-15 | 2024-02-13 | 亚龙智能装备集团股份有限公司 | Magnetic separation anti-collision detection device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN212582670U (en) | Buffer structure of hydraulic hammer | |
| CN108561471B (en) | Hydraulic hammer body and pile cap buffer control method and annular connection buffer structure | |
| CN209339141U (en) | A kind of marine worker large hydraulic pile hammer is for beating | |
| KR102035799B1 (en) | Piston for hydraulic breaker | |
| CN209620013U (en) | A kind of hydraulic pile hammer | |
| CN110424442B (en) | Elastic transition section cylindrical foundation structure and construction method thereof | |
| CN215290104U (en) | Hydraulic pile hammer convenient to dismantle maintenance | |
| CN111456003A (en) | Energy-concerving and environment-protective building room is built and is used high accuracy pile driver | |
| CN201507590U (en) | Shock pad | |
| CN207345133U (en) | A kind of strong press machine of shock resistance | |
| CN109914391A (en) | A kind of hydraulic hammer pile cover | |
| CN209211441U (en) | A kind of hydraulic hammer elastic connection and buffer damping structure | |
| CN215211022U (en) | Movable pile driving replacing cap | |
| CN210419839U (en) | Coking coal cake tamping machine tamping hammer structure | |
| CN212200420U (en) | Noise-reduction sleeve type diesel hammer | |
| CN207999499U (en) | Hydraulic pile hammer replaces and beats piston | |
| CN111554259B (en) | Silencer of ocean hydraulic pile hammer | |
| CN208041034U (en) | A kind of annular connection buffer structure of hydraulic hammer hammer body and pile cover | |
| CN211230312U (en) | Telescopic drilling protective cover structure | |
| CN101476321A (en) | Piston type pile cap | |
| CN206843372U (en) | A kind of tamping tool elastic compensating compactor hammer stem structure | |
| CN208965554U (en) | A kind of pile cap for sunken steel pipe pile | |
| CN218150897U (en) | Hydraulic mine hammer | |
| KR102331165B1 (en) | Piston for hydraulic breaker | |
| CN220868208U (en) | Limiting and protecting device for pile foundation re-driving by hammering pile sinking method |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |