CN211446926U

CN211446926U - Pile cap of pile hammer

Info

Publication number: CN211446926U
Application number: CN201922287371.3U
Authority: CN
Inventors: 李志荣; 张兰
Original assignee: Guangdong Liyuan Hydraulic Machinery Co ltd
Current assignee: Guangdong Liyuan Hydraulic Machinery Co ltd
Priority date: 2019-12-18
Filing date: 2019-12-18
Publication date: 2020-09-08
Anticipated expiration: 2029-12-18

Abstract

The utility model discloses a pile hammer pile cap, including last pile cap, lower barrel, pile head bolster, the pile head backing plate, a plurality of regulating block, a plurality of regulation support frames, a plurality of adjusting pin axle, pile head bolster, the installation of pile head backing plate is on the chamber end of holding the chamber under, the lateral wall circumference of barrel evenly is equipped with a plurality of vertical bar holes down, each adjusting support frame is installed respectively on the lateral surface in each vertical bar hole, the regulating block includes the pile clamping piece, adjust the setting element, each adjust the setting element through adjusting pin axle and each adjusting support frame swing joint, the medial surface of each pile clamping piece forms pile cap down with the lower extreme face shape of pile head backing plate. This pile hammer pile cap passes through the radial distance between each regulating block of activity regulation and the pile cap axis, realizes the cement precast pile construction of the different diameter specifications of adaptation, simultaneously, establishes pile head bolster and pile head backing plate at the chamber end of pile cap inner chamber down, prevents that the pile head is damaged, can effectively reduce the problem that current cement pile cap exists, easy operation improves the security of pile foundation construction.

Description

Pile cap of pile hammer

Technical Field

The utility model relates to a pile foundation construction equipment technical field especially relates to a pile hammer pile cap that pile driver used.

Background

The cement precast pile construction in the construction of current pile foundation, the pile driver is in the course of the work, and the cement precast pile of different specifications all need match corresponding pile hammer pile cap, and pile hammer pile cap cost is with high costs, changes loaded down with trivial details, influences the efficiency of construction, and need be under the pile hammer operation when changing, and the risk is higher.

In the prior art, the company has earlier researched and disclosed a hydraulic pile hammer with an improved structure [ application number: CN03274785.3], the pile cap of the pile hammer is composed of an integral structure, and the pile cap of the pile hammer can only be replaced correspondingly for the construction of cement precast piles of different specifications, and the pile cap inner cavity of the pile hammer is not provided with a pile head buffer, therefore, in the construction process, a paper sheet or a wood board is required to be placed between the pile head and the pile cap anvil block as the buffer, so as to prevent the damage of the pile head, the paper sheet or the wood board is required to be matched according to the size of the pile, the replacement is frequent, the installation is tedious, and the easy damage is easy, the operation under the pile hammer is required during the installation, and the risk is higher.

Therefore, it is necessary to develop a pile cap of a pile hammer for adapting to the construction of cement precast piles with different diameter specifications.

Disclosure of Invention

The utility model aims to overcome the defects, and provides a pile driving hammer pile cap which realizes the adjustment of the diameter of an inner cavity of a lower pile cap by movably adjusting the radial distance between each adjusting block and the central axis of the pile cap, thereby realizing the construction of the cement precast pile adaptive to different diameter specifications, ensuring safe and quick pile diameter adjustment, wide adaptive pile types, greatly reducing the cost and improving the construction efficiency; meanwhile, the pile head buffer piece and the pile head backing plate are arranged at the cavity bottom of the inner cavity of the lower pile cap, so that the pile head is prevented from being damaged, the problems of the existing cement pile cap can be effectively reduced, the operation is simple, the maintenance cost is low, and the safety of pile foundation construction is improved.

The technical scheme is as follows:

a pile cap of a pile hammer comprises an upper pile cap, a lower cylinder, a pile head buffer piece, a pile head base plate, a plurality of adjusting blocks, a plurality of adjusting support frames and a plurality of adjusting pin shafts, wherein the upper end of the lower cylinder is connected with the lower end surface of the upper pile cap, and forms a lower cavity, the pile head buffer piece and the pile head backing plate are sequentially arranged on the cavity bottom of the lower cavity from top to bottom, a plurality of vertical strip-shaped holes are uniformly arranged on the side wall of the lower cylinder body in the circumferential direction, each adjusting support frame is respectively arranged on the outer side surface of each vertical strip-shaped hole, the adjusting block comprises pile clamping pieces and adjusting positioning pieces, one end of each adjusting positioning piece is connected with each pile clamping piece, the other end of each adjusting positioning piece passes through each vertical strip-shaped hole from the lower containing cavity, and the lower pile cap is formed by the inner side surface of each pile clamping piece and the lower end surface of the pile head base plate.

The upper pile cap comprises an upper barrel body, a pile cap anvil block, a hammer pad, an outer buffering cushion and an annular top plate, wherein the pile cap anvil block is installed in the upper barrel body, the upper pile cap is connected with the lower barrel body through the lower end face of the pile cap anvil block, a first buffering cavity and a second buffering cavity are formed in the upper end face of the pile cap anvil block, the first buffering cavity is circular, the second buffering cavity surrounds the first buffering cavity, the hammer pad and the outer buffering cushion are installed in the first buffering cavity and the second buffering cavity respectively, and the annular top plate is packaged on the top face of the second buffering cavity and connected with the upper end of the upper barrel body.

The upper pile cap further comprises an annular limiting plate and a plurality of reinforcing rib plates, the upper end face of the annular limiting plate is connected with the lower end of the upper barrel, the circumferential directions of the side faces of the plurality of reinforcing rib plates are connected with the outer side face of the upper barrel, and the upper ends and the lower ends of the reinforcing rib plates are respectively connected with the annular top plate and the annular limiting plate.

The adjusting support frame comprises a first adjusting support plate and a second adjusting support plate, wherein the first adjusting support plate and the second adjusting support plate are respectively arranged on two sides of the vertical strip-shaped hole, a plurality of first limiting pin holes and second limiting pin holes are respectively arranged on the first adjusting support plate and the second adjusting support plate, and the first limiting pin holes and the second limiting pin holes are vertically arranged, a plurality of groups of positioning adjusting pin holes are arranged on the adjusting positioning piece and are respectively arranged from inside to outside to be gradually and radially far away from the vertical central axis of the pile cap, and the positioning adjusting pin holes comprise a plurality of positioning pin holes and are arranged vertically, and the positioning adjusting pin holes of the adjusting positioning piece are respectively connected with the first limiting pin holes and the second limiting pin holes in a matched and movable mode.

The first limiting pin hole and the second limiting pin hole are four in number respectively, the number of the positioning pin holes of each group of the positioning adjusting pin holes is two, two adjacent positioning adjusting pin holes and the positioning adjusting pin holes are staggered in vertical positions, and the positioning adjusting pin holes of each group of the adjusting positioning piece are movably connected with the first limiting pin hole and the second limiting pin hole in a matched mode through the two positioning pin holes respectively.

The lower end of each pile clamping piece is bent and extended outwards and forms a trumpet-shaped lower pile cap opening.

The pile head base plate is characterized by further comprising a plurality of base plate limiting screws, and the periphery of the pile head base plate is circumferentially connected with the side wall of the lower barrel through the plurality of base plate limiting screws.

The pile head buffer piece is connected with the pile head cushion plate through the cushion plate connecting piece.

A plurality of lifting lugs are arranged on the outer side face of the lower barrel along the circumferential direction, and lifting holes are formed in the lifting lugs.

It should be noted that:

the foregoing references to "first and second …" do not denote any particular quantity or order, but rather are used to distinguish one name from another.

In the description of the present invention, it should be understood that the terms "upper" and "lower" are used as the terms of the orientation or the positional relationship based on the drawings, or the orientation or the positional relationship that the product of the present invention is usually placed when using, or the orientation or the positional relationship that the person skilled in the art usually understands, only for the convenience of describing the present invention and simplifying the description, but not for the indication or the suggestion that the device or the element that is referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore, should not be interpreted as the limitation of the present invention.

The direction indicated by the inner direction refers to the direction towards the vertical central axis of the pile cap of the pile driving hammer.

The direction indicated by the aforementioned "outer" is a direction away from the vertical central axis of the pile cap of the present pile hammer.

The foregoing "lateral direction" is based on the horizontal direction shown in the drawings, and the foregoing "vertical direction" is based on the vertical direction shown in the drawings.

The advantages or principles of the invention are explained below:

1. the utility model provides a pile hammer pile cap, including last pile cap, lower barrel, pile head bolster, pile head backing plate, a plurality of regulating block, a plurality of regulation support frame, a plurality of adjusting pin axle, when using, confirm the pile head diameter of waiting to be under construction cement precast pile first, each regulating block of radial displacement again, because the regulation setting element of each regulating block passes each circumference from holding the intracavity down and establishes vertical bar hole on the lower barrel lateral wall, therefore, the radial displacement of each regulation setting element in each vertical bar hole realizes adjusting the radial distance between the pile clamp piece of each regulating block and pile cap axis, make the lower pile cap inner chamber diameter that is formed by each pile clamp piece and pile head diameter looks adaptation, and fix with each regulation support frame pin with the adjusting pin axle the regulation setting element of each regulating block, realize the adjustment of pile cap inner chamber diameter down, thereby realize the cement precast pile construction of different diameter specifications of adaptation, the pile diameter is adjusted safely and quickly, the cost is greatly reduced, and the construction efficiency is improved; the pile head of the cement precast pile to be constructed is arranged in the inner cavity of the lower pile cap, so that the top end of the pile head of the cement precast pile to be constructed is abutted against the lower end surface of the pile head backing plate, the installation of the cement precast pile to be constructed is completed, and the pile head buffer piece and the pile head backing plate are sequentially arranged at the bottom end of the inner cavity of the lower pile cap from top to bottom, so that the pile head buffer piece and the pile head backing plate are cushioned at the top end of the pile head of the cement precast pile to be constructed, the buffer is provided between the pile head and the pile cap anvil block of the upper pile cap, the damage of the pile head is prevented, the problems of the existing cement pile cap can be effectively reduced, the operation is simple, the maintenance cost is low, and the safety of pile foundation construction is improved.

2. The utility model discloses an go up pile cap includes the barrel, pile cap anvil block, the hammer bolster, outer blotter, the annular roof, the first buffering cavity of pile cap anvil block up end is circular, during the use, make things convenient for pile hammer lower extreme to get into and be the first buffering cavity of circular shape, can realize accurate location, establish the hammer bolster above the pile cap anvil block, the buffering that the strike energy of pile hammer core passes through the hammer bolster can play the cushioning effect, the life of extension pile cap, the setting of annular roof makes things convenient for the installation of pile hammer pile cap.

3. The utility model discloses an go up pile cap still includes annular limiting plate, a plurality of reinforced rib board, and pile cap's rigidity can be strengthened in the setting of reinforced rib board, prolongs the life of pile cap.

4. The adjusting support frame of the utility model comprises a first adjusting support plate and a second adjusting support plate, and the arrangement of the two adjusting support plates facilitates the supporting and adjusting of the adjusting block adjusting positioning piece; the adjusting positioning piece is provided with a plurality of groups of positioning adjusting pin holes, each group of positioning adjusting pin holes gradually and radially keep away from the vertical central axis of the pile cap from the inside to the outside, the radial distance between the pile clamping piece of each adjusting block and the vertical central axis of the pile cap is adjusted, the diameter of the inner cavity of the lower pile cap formed by each pile clamping piece is matched with the diameter of the pile head, and the positioning adjusting pin holes comprise a plurality of positioning pin holes, so that the pin connection between the adjusting positioning piece and the adjusting support frame is more stable.

5. Preferably, the utility model discloses a first spacing pinhole, second spacing pinhole are four respectively, and the location pinhole of each group's location regulation pinhole is two, and two are adjacent and location regulation pinhole are mutually wrong on vertical position, make under the condition of adjusting setting element regulation length, same pinhole size equally, realize more radial adjustment distance, enable the construction of the cement precast pile of more different diameter specifications of this pile hammer pile cap adaptation, practice thrift the cost.

6. The utility model discloses a lower extreme of each stake clamping piece is buckled to the outside and is extended to form pile cap opening under the tubaeform, can make the pile head of waiting to be under construction cement precast pile more conveniently get into the inner chamber of pile cap down, make things convenient for the installation of pile head.

7. The utility model discloses a lateral wall circumferential connection through a plurality of backing plate stop screw and lower barrel around the pile head backing plate makes things convenient for the change and the installation of pile head backing plate.

8. The utility model discloses a pile head bolster passes through the backing plate connecting piece and is connected with pile head backing plate, makes the buffer connection of pile head bolster and pile head backing plate more stable.

9. The utility model discloses the setting of lug, the side makes this hoist and mount and transportation ligature of pile hammer pile cap, avoids dropping in the transportation.

Drawings

Fig. 1 is a schematic view of the overall three-dimensional shape structure of the pile cap of the pile hammer according to the embodiment of the present invention.

Fig. 2 is a side view of a pile cap of a pile hammer according to an embodiment of the present invention.

Fig. 3 is a cross-sectional view of a pile cap of a pile hammer according to an embodiment of the present invention.

Fig. 4 is a second cross-sectional view of the pile cap of the pile hammer according to the embodiment of the present invention.

Description of reference numerals:

10. the pile head buffer device comprises an upper pile cap, 11, an upper barrel, 12, a pile cap anvil block, 121, a first buffer cavity, 13, a hammer pad, 14, an outer buffer pad, 15, an annular top plate, 16, an annular limiting plate, 17, a reinforcing rib plate, 20, a lower barrel, 21, a vertical strip-shaped hole, 30, a pile head buffer element, 40, a pile head cushion plate, 50, an adjusting block, 51, a pile clamping piece, 52, an adjusting positioning element, 521, a positioning pin hole, 60, an adjusting supporting frame, 61, a first adjusting supporting plate, 611, a first limiting pin hole, 62, a second adjusting supporting plate, 621, a second limiting pin hole, 70, an adjusting pin shaft, 81, a cushion plate limiting screw, 82, a cushion plate connecting element, 83, a lifting lug, 831, a lifting hole, 90 and a cement precast pile.

Detailed Description

The following describes embodiments of the present invention in detail.

Referring to fig. 1 to 4, the pile hammer pile cap provided by the present invention comprises an upper pile cap 10, a lower cylinder 20, a pile head cushion 30, a pile head backing plate 40, a plurality of adjusting blocks 50, a plurality of adjusting support frames 60, and a plurality of adjusting pin shafts 70, wherein the upper end of the lower cylinder 20 is connected to the lower end surface of the upper pile cap 10 to form a lower cavity, the pile head cushion 30 and the pile head backing plate 40 are sequentially installed on the bottom of the lower cavity from top to bottom, the sidewall of the lower cylinder 20 is circumferentially and uniformly provided with a plurality of vertical bar-shaped holes 21, each adjusting support frame 60 is respectively installed on the outer side surface of each vertical bar-shaped hole 21, the adjusting block 50 comprises a pile clamping piece 51 and an adjusting positioning piece 52, one end of each adjusting positioning piece 52 is connected to each pile clamping piece 51, the other end of each adjusting positioning piece 52 passes through each vertical bar-shaped hole 21 from the lower cavity, and is movably connected to each adjusting support frame 60 through an adjusting pin shaft 70, the inner side surface of each pile clip 51 and the lower end surface of the pile head backing plate 40 form a lower pile cap.

During operation, the diameter of the pile head of the cement precast pile 90 to be constructed is determined, then each adjusting block 50 is moved radially, and as the adjusting positioning piece 52 of each adjusting block 50 penetrates through each vertical strip-shaped hole 21 circumferentially arranged on the side wall of the lower barrel 20 from the lower accommodating cavity, each adjusting positioning piece 52 moves radially in each vertical strip-shaped hole 21 to realize adjustment of the radial distance between the pile clamping piece 51 of each adjusting block 50 and the central axis of the pile cap, so that the diameter of the inner cavity of the lower pile cap formed by each pile clamping piece 51 is matched with the diameter of the pile head, the adjusting positioning piece 52 of each adjusting block 50 is in fixed connection with each adjusting support frame 60 by using the adjusting pin shaft 70, the diameter adjustment of the inner cavity of the lower pile cap is realized, thereby the construction of the cement precast pile 90 with different diameter specifications is realized, the pile diameter adjustment is safe and fast, the cost is greatly reduced, and the construction efficiency is improved; then the pile hammer pile cap with the adjusted diameter of the inner cavity of the lower pile cap is arranged at the lower end of the pile hammer core, then the pile head of the cement precast pile 90 to be constructed is arranged in the inner cavity of the lower pile cap, so that the top end of the pile head of the cement precast pile 90 to be constructed is abutted against the lower end surface of the pile head backing plate 40, and the installation of the cement precast pile 90 to be constructed is completed.

The upper pile cap 10 comprises an upper barrel 11, a pile cap anvil 12, a hammer pad 13, an outer buffer pad 14, an annular top plate 15, an annular limiting plate 16 and a plurality of reinforcing rib plates 17, wherein the pile cap anvil 12 is installed in the upper barrel 11, the upper pile cap 10 is connected with a lower barrel 20 through the lower end face of the pile cap anvil 12, a first buffer cavity 121 and a second buffer cavity are arranged on the upper end face of the pile cap anvil 12, the first buffer cavity 121 is circular, the second buffer cavity surrounds the first buffer cavity 121, the hammer pad 13 and the outer buffer pad 14 are respectively installed in the first buffer cavity 121 and the second buffer cavity, and the annular top plate 15 is packaged on the top face of the second buffer cavity and connected with the upper end of the upper barrel. The first buffering cavity 121 of pile cap anvil block 12 up end is circular, and during the use, the convenient pile hammer lower extreme entering is circular shape first buffering cavity 121, can realize accurate location, establishes hammer block 13 in pile cap anvil block 12 top, and the buffering effect can be played through hammer block 13's buffering to the striking energy of pile hammer core, prolongs the life of pile cap, and the installation of the convenient pile hammer pile cap is beaten in the setting of annular roof 15.

The upper end surface of the annular limiting plate 16 is connected with the lower end of the upper barrel 11, the side surfaces of the plurality of reinforcing ribs 17 are circumferentially connected with the outer side surface of the upper barrel 11, and the upper ends and the lower ends of the reinforcing ribs 17 are respectively connected with the annular top plate 15 and the annular limiting plate 16. The arrangement of the reinforcing rib plate 17 can reinforce the rigidity of the upper pile cap 10 and prolong the service life of the upper pile cap 10.

The adjusting support frame 60 comprises a first adjusting support plate 61 and a second adjusting support plate 62, the first adjusting support plate 61 and the second adjusting support plate 62 are respectively installed on two sides of the vertical bar-shaped hole 21, the first adjusting support plate 61 and the second adjusting support plate 62 are respectively provided with a plurality of first limiting pin holes 611 and a plurality of second limiting pin holes 621, the first limiting pin holes 611 and the second limiting pin holes 621 are vertically arranged, a plurality of groups of positioning adjusting pin holes are formed in the adjusting positioning piece 52, each group of positioning adjusting pin holes gradually and radially far away from the vertical central axis of the pile cap from the inside to the outside, each group of positioning adjusting pin holes comprises a plurality of positioning pin holes 521, the plurality of positioning pin holes 521 are vertically arranged, and the positioning adjusting pin holes of each adjusting positioning piece 52 are movably connected with the first limiting pin holes 611 and the second limiting pin holes 621 through an adjusting pin shaft 70. The arrangement of the two adjusting support plates facilitates the supporting adjustment of the adjusting positioning piece 52 of the adjusting block 50; the adjusting positioning piece 52 is provided with a plurality of groups of positioning adjusting pin holes, each group of positioning adjusting pin holes gradually and radially keep away from the vertical central axis of the pile cap from inside to outside, the radial distance between the pile clamping piece 51 of each adjusting block 50 and the vertical central axis of the pile cap is adjusted, the diameter of the inner cavity of the lower pile cap formed by each pile clamping piece 51 is matched with the diameter of the pile head, and each positioning adjusting pin hole comprises a plurality of positioning pin holes 521, so that the pinning connection between the adjusting positioning piece 52 and the adjusting support frame 60 is more stable.

Preferably, the number of the first limiting pin holes 611 and the number of the second limiting pin holes 621 are four, the number of the positioning pin holes 521 of each group of positioning adjusting pin holes is two, two adjacent positioning adjusting pin holes are staggered with each other in the vertical position, and each group of positioning adjusting pin holes of each adjusting positioning member 52 is movably connected with each two first limiting pin holes 611 and each two second limiting pin holes 621 through two positioning pin holes 521. Two adjacent and positioning adjusting pin holes are staggered in the vertical position, so that under the condition that the length of the positioning piece 52 is adjusted and the size of the pin hole is the same, more radial adjusting distances are realized, the pile cap of the pile hammer can be adapted to more cement precast piles 90 with different diameters for construction, and the cost is saved.

The lower end of each pile clip 51 is bent outward and extended, and forms a trumpet-shaped lower pile cap opening. The pile head of the cement precast pile 90 to be constructed can more conveniently enter the inner cavity of the lower pile cap, and the installation of the pile head is convenient.

The pile cap of the pile hammer further comprises a plurality of backing plate limiting screws 81 and a backing plate connecting piece 82, and the periphery of the pile head backing plate 40 is circumferentially connected with the side wall of the lower barrel 20 through the plurality of backing plate limiting screws 81. The replacement and installation of the pile head backing plate 40 are facilitated.

The pile head cushion 30 is connected to the pile head cushion plate 40 by a cushion plate connector 82. The buffer connection of the pile head buffer 30 and the pile head backing plate 40 is made more stable.

A plurality of lifting lugs 83 are circumferentially arranged on the outer side surface of the lower barrel 20, and lifting holes 831 are arranged on the lifting lugs 83. The setting of lug 83, the side makes the hoist and mount and the transportation ligature of this pile hammer pile cap, avoids dropping in the transportation.

The above are only specific embodiments of the present invention, and the protection scope of the present invention is not limited thereby; any replacement and improvement made on the basis of not violating the conception of the utility model belong to the protection scope of the utility model.

Claims

1. A pile cap of a pile hammer is characterized by comprising an upper pile cap, a lower barrel, a pile head buffer piece, a pile head base plate, a plurality of adjusting blocks, a plurality of adjusting support frames and a plurality of adjusting pin shafts, wherein the upper end of the lower barrel is connected with the lower end face of the upper pile cap, and forms a lower cavity, the pile head buffer piece and the pile head backing plate are sequentially arranged on the cavity bottom of the lower cavity from top to bottom, a plurality of vertical strip-shaped holes are uniformly arranged on the side wall of the lower cylinder body in the circumferential direction, each adjusting support frame is respectively arranged on the outer side surface of each vertical strip-shaped hole, the adjusting block comprises pile clamping pieces and adjusting positioning pieces, one end of each adjusting positioning piece is connected with each pile clamping piece, the other end of each adjusting positioning piece passes through each vertical strip-shaped hole from the lower containing cavity, and the lower pile cap is formed by the inner side surface of each pile clamping piece and the lower end surface of the pile head base plate.

2. A pile driving hammer pile cap as set forth in claim 1, wherein the upper pile cap comprises an upper cylinder, a pile cap anvil block, a hammer pad, an outer cushion pad, and an annular top plate, the pile cap anvil block is mounted in the upper cylinder, the upper pile cap is connected to the lower cylinder through a lower end surface of the pile cap anvil block, an upper end surface of the pile cap anvil block is provided with a first buffer cavity and a second buffer cavity, the first buffer cavity is circular, the second buffer cavity surrounds the first buffer cavity, the hammer pad and the outer cushion pad are respectively mounted in the first buffer cavity and the second buffer cavity, and the annular top plate is sealed on a top surface of the second buffer cavity and connected to an upper end of the upper cylinder.

3. The pile hammer pile cap of claim 2, wherein the upper pile cap further comprises a ring-shaped limiting plate and a plurality of reinforcing ribs, an upper end surface of the ring-shaped limiting plate is connected with a lower end of the upper barrel, side surfaces of the plurality of reinforcing ribs are circumferentially connected with an outer side surface of the upper barrel, and upper ends and lower ends of the reinforcing ribs are respectively connected with the ring-shaped top plate and the ring-shaped limiting plate.

4. The pile hammer pile cap of any one of claims 1 to 3, wherein the adjusting support frame comprises a first adjusting support plate and a second adjusting support plate, the first adjusting support plate and the second adjusting support plate are respectively installed on two sides of the vertical bar-shaped hole, the first adjusting support plate and the second adjusting support plate are respectively provided with a plurality of first limiting pin holes and second limiting pin holes, the first limiting pin holes and the second limiting pin holes are vertically arranged, the adjusting positioning member is provided with a plurality of groups of positioning adjusting pin holes, each group of positioning adjusting pin holes gradually and radially departs from the vertical central axis of the pile cap from inside to outside, each group of positioning adjusting pin holes comprises a plurality of positioning pin holes, the plurality of positioning pin holes are vertically arranged, and the positioning adjusting pin holes of each adjusting positioning member pass through the adjusting pin shaft and the first limiting pin holes, The second limit pin holes are matched and movably connected.

5. The pile hammer cap of claim 4, wherein there are four first and second stop pin holes, two for each set of said alignment pin holes, two for adjacent and vertically offset alignment pin holes, and wherein each set of said alignment pin holes of each of said alignment locators are movably coupled to each of said two first and second stop pin holes by two alignment pin holes.

6. Pile driving hammer pile cap according to any one of claims 1 to 3, characterized in that the lower end of each pile clip is bent outwards and forms a flared lower pile cap opening.

7. Pile driving hammer pile cap according to any of claims 1 to 3, further comprising a plurality of tie plate limit screws, wherein the periphery of the pile head tie plate is circumferentially connected with the side wall of the lower cylinder body through the plurality of tie plate limit screws.

8. Pile driving hammer pile cap according to claim 7, further comprising a backing plate connector, through which said pile head buffer is connected to said pile head backing plate.

9. Pile driving hammer pile cap according to any of claims 1 to 3, wherein the outer side of the lower cylinder is provided with a plurality of lifting lugs along the circumferential direction, and the lifting lugs are provided with lifting holes.