CN217378890U

CN217378890U - Pile hammer

Info

Publication number: CN217378890U
Application number: CN202220907601.0U
Authority: CN
Inventors: 翁凯; 陈望; 程细平; 肖圣和; 贺尚宏; 李淼铼; 冯建平; 陈文盛; 陈登华; 曾宪仁
Original assignee: China Railway Major Bridge Engineering Group Co Ltd MBEC
Current assignee: China Railway Major Bridge Engineering Group Co Ltd MBEC
Priority date: 2022-04-19
Filing date: 2022-04-19
Publication date: 2022-09-06
Anticipated expiration: 2032-04-19

Abstract

The application relates to a pile hammer, it includes: the stamping device comprises a hammer body, a stamping assembly and a rotating assembly, wherein one end of the hammer body is provided with a connecting lug; the bottom end of the stamping assembly is a piling working end, and the surface of the piling working end is provided with a spiral groove; one end of the rotating component is rotatably connected with the hammer body, and the other end of the rotating component is fixedly connected with the punching component. The utility model discloses owing to set up rotating assembly between punching press subassembly and hammer block, rotating assembly can drive punching press subassembly and rotate, is provided with the pile work end surface of helicla flute when punching press subassembly strikes downwards and rotates and punches, can increase the area of punching, and then improves the efficiency of punching in stake hole.

Description

Pile hammer

Technical Field

The application relates to the technical field of engineering machinery, in particular to a piling hammer.

Background

The hydraulic pile hammer belongs to an impact pile hammer, which mainly strikes a pile body in a free-falling mode, and can strike the pile body at an impact speed by obtaining acceleration energy from a hydraulic system after a preset height is lifted by the hydraulic system.

Traditional hydraulic pressure pile hammer is the hammer block and locates the hammer core in the hammer block, and the top and the hydraulic system of hammer block are connected, and the other end is for implementing the work end of hitting with the pile block, and pile hammer comes the pile hole through the downward impact ground, and the anti-seismic force that produces when punching is whole to be used in pile hammer, and in the long run, can cause the part to lead to damaging because of vibrations, unable normal use has reduced the stability in use of pile hammer, and the while is punched inefficiency.

SUMMERY OF THE UTILITY MODEL

The embodiment of the application provides a pile hammer to punch the inefficiency problem when solving among the correlation technique.

In order to achieve the above object, the utility model provides a following technical scheme: a pile driving hammer, comprising: the stamping device comprises a hammer body, a stamping assembly and a rotating assembly, wherein one end of the hammer body is provided with a connecting lug; the bottom end of the stamping assembly is a piling working end, and the surface of the piling working end is provided with a spiral groove; one end of the rotating assembly is rotatably connected with the hammer body, and the other end of the rotating assembly is fixedly connected with the punching assembly.

In some embodiments, the rotating assembly comprises: the connecting column is fixed at the other end of the hammer body; the bearing is fixedly sleeved on the peripheral surface of the connecting column; the rotating disc is fixed on the outer peripheral surface of the bearing; the extrusion plate is positioned below the rotating disc and is fixedly connected with the stamping assembly; the upper end and the lower end of the buffer spring are respectively connected to the rotating disk and the extrusion plate.

In some embodiments, the lower surface of the rotating disc is provided with a mounting groove or a through hole; the upper surface of the extrusion plate is provided with a guide rod, and the part of the guide rod extends into the mounting groove or the through hole.

In some embodiments, the lower surface of the rotating disc is provided with a sleeve; the upper surface of the extrusion plate is provided with a guide rod, and the part of the guide rod extends into the sleeve.

In some embodiments, the rotating disc is provided with a through hole, and a sleeve is arranged in the through hole; the upper surface of the extrusion plate is provided with a guide rod, and the part of the guide rod extends into the sleeve.

In some embodiments, the buffer spring is sleeved outside the guide rod.

In some embodiments, an anti-slip ring is fixedly connected between the bearing and the rotating disk.

In some embodiments, the punch assembly comprises: the connecting cylinder is fixedly connected with the rotating component; one end of the flange plate is fixedly connected with the connecting cylinder, and the other end of the flange plate is fixedly connected with a punching drill bit through a fastening bolt; the punching drill bit is the piling working end.

In some embodiments, a first reinforcing plate is fixedly connected between the rotating assembly and the flange, and/or a second reinforcing plate is fixedly connected between the flange and the punch bit.

In some embodiments, the hammer body is further provided with a plurality of openings for operators to climb.

The beneficial effect that technical scheme that this application provided brought includes:

the embodiment of the application provides a pile hammer, owing to set up rotating assembly between punching press subassembly and hammer block, rotating assembly can drive the punching press subassembly and rotate, is provided with the pile work end surface of helicla flute when punching press subassembly strikes downwards and rotates and punch, can increase the area of punching, and then improves the efficiency of punching in stake hole.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.

Fig. 1 is a schematic overall front structure diagram provided in an embodiment of the present application;

FIG. 2 is an enlarged view of a portion A of FIG. 1;

fig. 3 is a schematic top view of the rotating disk, the connecting column, the bearing and the anti-slip ring according to the embodiment of the present application.

In the figure: 1. a hammer body; 10. connecting lugs;

2. a rotating assembly; 20. connecting columns; 21. a bearing; 22. rotating the disc; 23. an anti-slip ring; 24. a through hole; 25. a sleeve; 26. a guide bar; 27. a buffer spring; 28. a pressing plate;

3. a stamping assembly; 30. a connecting cylinder; 31. a first reinforcing plate; 32. a flange plate; 33. fastening a bolt; 34. a second reinforcing plate; 35. and punching the drill bit.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

Referring to fig. 1-3, embodiments of the present application provide a pile driving hammer comprising: the stamping device comprises a hammer body 1, a stamping component 3 and a rotating component 2, wherein one end of the hammer body 1 is provided with a connecting lug 10; the bottom end of the stamping component 3 is a piling working end, and the surface of the piling working end is provided with a spiral groove; one end of the rotating component 2 is rotatably connected with the hammer body 1, and the other end of the rotating component is fixedly connected with the punching component 3.

Owing to set up rotating assembly 2 between punching press subassembly 3 and hammer block 1, rotating assembly 2 can drive punching press subassembly 3 and rotate, is provided with the pile driving work end surface of helicla flute when punching press subassembly 3 strikes downwards and rotates and punch, can increase the area of punching, and then improves the efficiency of punching in stake hole.

Still be provided with a plurality of openings that can supply operating personnel to climb on the hammer block 1, make the device can be connected with other devices through engaging lug 10, the device is when using, whole downward impact, 3 bottoms of punching press subassembly are pile driving work ends, 3 rotatory punching of punching press subassembly when the pile driving, rotating

assembly

2 and 3 synchronous rotations of punching press subassembly, the helicla flute of setting can make the area of punching increase when rotatory punching.

In some embodiments, the rotating assembly 2 comprises: the connecting column 20, the bearing 21, the rotating disc 22, the extrusion plate 28 and the buffer spring 27 are fixed at the other end of the hammer body 1; the bearing 21 is sleeved and fixed on the peripheral surface of the connecting column 20; the rotary plate 22 is fixed to the outer peripheral surface of the bearing 21; the extrusion plate 28 is positioned below the rotating disc 22 and is fixedly connected with the punching assembly 3; the upper and lower ends of the buffer spring 27 are connected to the rotary plate 22 and the pressing plate 28, respectively.

When the pile hammer impacts downwards, the outer ring of the bearing 21 can drive the rotating disc 22 to rotate, when the extrusion plate 28 is extruded by external force, the buffer spring 27 is elastically deformed, the impact force in the vertical direction of the pile hammer can be buffered and released, the influence on the normal use of the pile hammer caused by overlarge vibration force is avoided, and the use stability of the pile hammer is ensured.

When the pile hammer impacts downwards, the extrusion plate 28 can be extruded by external force, and only the buffer spring 27 is arranged, so that the extrusion plate 28 can be dislocated with the rotating disc 22 in the extrusion process, and the impact force of the rotating assembly 2 in the vertical direction of the pile hammer is influenced to buffer and discharge force, therefore, when the rotating assembly 2 is arranged, the guide rod 26 can be added to guide the extrusion plate 28, the extrusion plate 28 is prevented from being dislocated with the rotating disc 22 in the extrusion process, and the stability of the buffer and discharge force is ensured.

In some embodiments, the guide bar 26 can be arranged in the following ways:

the lower surface of the rotating disc 22 is provided with a mounting groove or a through hole 24; the upper surface of the compression plate 28 is provided with a guide rod 26, and the guide rod 26 partially extends into the mounting groove or through hole 24. When the rotary plate 22 has a sufficient thickness, it is suitable to provide a mounting groove, the depth of which is less than the thickness of the rotary plate 22, for the guide bar 26 to slide in the mounting groove; when the pressing plate 28 is pressed by an external force, the guide rod 26 slides in the mounting groove or through hole 24, so that the rotating assembly 2 is more stable in buffering the leakage force.

The lower surface of the rotating disc 22 is provided with a sleeve 25; the upper surface of the pressing plate 28 is provided with a guide rod 26, and the guide rod 26 partially extends into the sleeve 25. When the sleeve 25 is arranged, the distance between the rotating disc 22 and the extrusion plate 28 is far enough, the rotating disc 22 is not required to be arranged too thick, the arrangement cost of the rotating disc 22 can be saved, the sleeve 25 is matched with the guide rod 26, the guide rod 26 is enabled to be more stable in sliding, and the sleeve 25 and the guide rod 26 are arranged between the rotating disc 22 and the extrusion plate 28.

A through hole 24 is formed in the rotating disc 22, and a sleeve 25 is installed in the through hole 24; the upper surface of the pressing plate 28 is provided with a guide rod 26, and the guide rod 26 partially extends into the sleeve 25. The arrangement of directly forming the through hole 24 so that the sleeve 25 extends into the through hole 24 of the rotating disc 22 can shorten the distance between the rotating disc 22 and the pressing plate 28 compared with the arrangement of the sleeve 25 on the lower surface of the rotating disc 22, and the arrangement can also make the rotating assembly 2 more stable in buffering the leakage force.

In any of the above embodiments, the buffer spring 27 may be sleeved outside the guide rod 26.

In some embodiments, an anti-slip ring 23 is fixedly connected between the bearing 21 and the rotating disc 22.

The bearing 21 is a sealed bearing 21, and the anti-slip ring 23 made of rubber can avoid the slip between the outer ring of the bearing 21 and the rotating disc 22, so that the installation stability of the bearing 21 is improved.

In some embodiments, the punch assembly 3 comprises: the connecting cylinder 30 is fixedly connected with the rotating component 2; one end of the flange plate 32 is fixedly connected with the connecting cylinder 30, and the other end is fixedly connected with a punching drill 35 through a fastening bolt 33; the punch bit 35 is the piling work end.

The connecting cylinder 30 is conical, and the flange plate 32 is connected with the punching drill 35 through the fastening bolt 33, so that the punching drill 35 and the flange plate 32 have a disassembling and assembling function, and the later maintenance and replacement of the punching drill 35 are facilitated.

The first reinforcing plate 31 is uniformly and fixedly connected between the rotating component 2 and the flange plate 32, the second reinforcing plate 34 is uniformly and fixedly connected between the flange plate 32 and the punching drill 35, and the strength of the connecting cylinder 30 and the punching drill 35 can be increased by the aid of the first reinforcing plate 31 and the second reinforcing plate 34.

In the description of the present application, it should be noted that the terms "upper", "lower", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, which are only for convenience in describing the present application and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and operate, and thus, should not be construed as limiting the present application. Unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are intended to be inclusive and mean, for example, that they may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.

It is noted that, in the present application, relational terms such as "first" and "second", and the like, are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

The above description is merely exemplary of the present application and is presented to enable those skilled in the art to understand and practice the present application. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the application. Thus, the present application is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A pile driving hammer, comprising:

the hammer comprises a hammer body (1), wherein one end of the hammer body (1) is provided with a connecting lug (10);

the bottom end of the stamping assembly (3) is a piling working end, and the surface of the piling working end is provided with a spiral groove;

and one end of the rotating component (2) is rotatably connected with the hammer body (1), and the other end of the rotating component (2) is fixedly connected with the stamping component (3).

2. Pile driving hammer as set forth in claim 1, characterized in that: the rotating assembly (2) comprises:

the connecting column (20), the connecting column (20) is fixed at the other end of the hammer body (1);

the bearing (21), the said bearing (21) is fixed to the peripheral surface of the joint pin (20) in the bell and spigot joint;

a rotating disk (22), the rotating disk (22) being fixed to an outer peripheral surface of the bearing (21);

the extrusion plate (28) is positioned below the rotating disc (22) and is fixedly connected with the punching assembly (3);

and the upper end and the lower end of the buffer spring (27) are respectively connected to the rotating disc (22) and the extrusion plate (28).

3. A piling hammer as set forth in claim 2 wherein:

the lower surface of the rotating disc (22) is provided with a mounting groove or a through hole (24);

the upper surface of the extrusion plate (28) is provided with a guide rod (26), and the guide rod (26) partially extends into the mounting groove or the through hole (24).

4. Pile driving hammer as set forth in claim 2, characterized in that:

the lower surface of the rotating disc (22) is provided with a sleeve (25);

the upper surface of the extrusion plate (28) is provided with a guide rod (26), and the guide rod (26) partially extends into the sleeve (25).

5. A piling hammer as set forth in claim 2 wherein:

a through hole (24) is formed in the rotating disc (22), and a sleeve (25) is installed in the through hole (24);

6. Pile driving hammer as set forth in any of claims 3-5, characterized in that: the buffer spring (27) is sleeved outside the guide rod (26).

7. Pile driving hammer as set forth in claim 2, characterized in that: and an anti-slip ring (23) is fixedly connected between the bearing (21) and the rotating disc (22).

8. Pile driving hammer as set forth in claim 1, characterized in that: the stamping assembly (3) comprises:

the connecting cylinder (30), the connecting cylinder (30) is fixedly connected with the rotating assembly (2);

one end of the flange plate (32) is fixedly connected with the connecting cylinder (30), and the other end of the flange plate (32) is fixedly connected with a punching drill bit (35) through a fastening bolt (33);

the punching drill bit (35) is the piling working end.

9. A piling hammer as set forth in claim 8, wherein: the rotary component is characterized in that a first reinforcing plate (31) is uniformly and fixedly connected between the rotary component (2) and the flange plate (32), and/or a second reinforcing plate (34) is uniformly and fixedly connected between the flange plate (32) and the punching drill bit (35).

10. Pile driving hammer as set forth in claim 1, characterized in that: the hammer body (1) is also provided with a plurality of openings for operators to climb.