CN110952556A - Pile cap of pile hammer and diameter adaptive adjustment method thereof - Google Patents
Pile cap of pile hammer and diameter adaptive adjustment method thereof Download PDFInfo
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- CN110952556A CN110952556A CN201911310398.8A CN201911310398A CN110952556A CN 110952556 A CN110952556 A CN 110952556A CN 201911310398 A CN201911310398 A CN 201911310398A CN 110952556 A CN110952556 A CN 110952556A
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- 238000000034 method Methods 0.000 title claims abstract description 21
- 230000003044 adaptive effect Effects 0.000 title abstract description 12
- 239000004568 cement Substances 0.000 claims abstract description 53
- 230000006978 adaptation Effects 0.000 claims abstract description 4
- 230000003014 reinforcing effect Effects 0.000 claims description 13
- 238000010276 construction Methods 0.000 abstract description 21
- 230000003139 buffering effect Effects 0.000 description 15
- 238000009434 installation Methods 0.000 description 13
- 238000012423 maintenance Methods 0.000 description 3
- 230000002035 prolonged effect Effects 0.000 description 2
- 239000002023 wood Substances 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
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- 238000012986 modification Methods 0.000 description 1
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D13/00—Accessories for placing or removing piles or bulkheads, e.g. noise attenuating chambers
- E02D13/10—Follow-blocks of pile-drivers or like devices
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Abstract
The invention discloses a diameter adapting and adjusting method of a pile cap of a pile hammer, which comprises the following steps: the method comprises the steps of determining the diameter size of a pile, adjusting the inner diameter of a lower pile cap, installing the pile cap of the pile hammer and installing a cement pile, wherein the diameter adaptation adjusting method of the pile cap of the pile hammer is used for adjusting the diameter of the inner cavity of the lower pile cap by movably adjusting the radial distance between each adjusting block and the central axis of the pile cap, so that the diameter of the inner cavity of the lower pile cap is adjusted, the construction of cement precast piles with different diameters is realized, meanwhile, a pile head buffer piece and a pile head cushion plate are arranged at the bottom of the inner cavity of the lower 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 invention also discloses a pile cap of the pile hammer for implementing the method, which realizes the adjustment of the diameter of the inner cavity of the lower pile cap through the radial movable adjustment of each adjusting block and each adjusting support frame circumferentially arranged on the outer side surface of the lower barrel body, and has the advantages of safe and quick pile diameter adjustment, wide adaptive pile shape and high construction efficiency.
Description
Technical Field
The invention relates to the technical field of pile foundation construction equipment, in particular to a pile cap of a pile hammer and a diameter adaptive adjustment method thereof.
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 studied and disclosed a hydraulic pile hammer with an improved structure in the early days [ application No.: 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 and a diameter adapting method thereof for adapting to the construction of cement precast piles with different diameter specifications.
Disclosure of Invention
The invention aims to overcome the defects, and provides a pile cap of a pile hammer and a diameter adaptive adjustment method thereof, wherein the diameter adaptive adjustment method of the pile cap of the pile hammer realizes the adjustment of the diameter of the 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 cement precast piles adaptive to different diameter specifications; the pile cap of the pile hammer is adjusted through radial movement of the adjusting blocks and the adjusting support frames circumferentially arranged on the outer side face of the lower barrel, the diameter of the inner cavity of the lower pile cap is adjusted, the pile diameter is adjusted safely and quickly, the pile cap is adaptive to a wide pile type, the cost is greatly reduced, and the construction efficiency is improved.
The technical scheme is as follows:
a diameter adaptive adjustment method of a pile cap of a pile hammer comprises the following steps:
(1) determining the size of the pile diameter, and determining the diameter of the pile head of the cement precast pile to be constructed;
(2) adjusting the inner diameter of a lower pile cap, radially moving each adjusting block of the pile cap of the pile hammer, adjusting the radial distance between a pile clamping piece of each adjusting block 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 is matched with the diameter of the pile head, and fixedly connecting an adjusting positioning piece of each adjusting block with each adjusting support frame through an adjusting pin shaft; the pile driving hammer pile cap 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 face of the upper pile cap to form a lower accommodating cavity;
(3) the pile cap of the pile hammer is arranged at the lower end of the pile hammer core of the pile hammer through the upper pile cap, wherein the pile hammer comprises the pile hammer core and the pile cap of the pile hammer;
(4) and (3) mounting a cement pile, namely mounting the pile head of the cement precast pile to be constructed 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 supported on the lower end surface of the pile head base plate, and the cement precast pile to be constructed is mounted.
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 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, the first limiting pin holes and the second limiting pin holes are respectively vertically arranged, a plurality of groups of positioning adjusting pin holes are arranged on the adjusting positioning piece and are respectively arranged, the positioning adjusting pin holes comprise a plurality of positioning pin holes and are a plurality of the positioning pin holes are vertically arranged, and the step (2) further comprises the following steps:
and each adjusting pin shaft sequentially penetrates through the first limiting pin hole, the positioning pin hole and the second limiting pin hole, and the adjusting positioning piece of each adjusting block is in pin-fixed connection with each first adjusting support plate and each second adjusting support plate.
The pile driving hammer pile cap for implementing the method comprises an upper pile cap, a lower cylinder body, 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 body 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.
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 is to be understood that the terms "upper", "lower", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, or orientations or positional relationships that are conventionally placed when products of the present invention are used, or orientations or positional relationships that are conventionally understood by those skilled in the art, and are used only for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the equipment or elements that are referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting 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 following illustrates the advantages or principles of the invention:
1. the diameter adaptive adjustment method of the pile cap of the pile hammer provided by the invention comprises the steps of determining the diameter of the pile head of a cement precast pile to be constructed, radially moving each adjusting block, adjusting the radial distance between a pile clamping piece of each adjusting block and the central axis of the pile cap, enabling the diameter of the inner cavity of the lower pile cap formed by each pile clamping piece to be adaptive to the diameter of the pile head, and fixedly connecting an adjusting positioning piece of each adjusting block with each adjusting support frame through an adjusting pin shaft, so that the diameter of the inner cavity of the lower pile cap is adjusted, the construction of the cement precast pile adaptive to different diameter specifications is realized, the pile diameter is adjusted safely and quickly, the cost is greatly reduced, and the construction efficiency is improved; and then the pile cap of the pile hammer with the diameter of the inner cavity of the lower pile cap adjusted is arranged at the lower end of the pile hammer core, then 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 base plate, the installation of the cement precast pile to be constructed is completed, the pile head base plate at the lower end of the pile head buffer member is abutted against 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.
2. 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 provided with a plurality of first limiting pin holes and a plurality of second limiting pin holes, each group of positioning adjusting pin holes comprises a plurality of positioning pin holes, when the adjusting support frame is used, an adjusting pin shaft penetrates through the positioning pin holes, and two ends of the adjusting pin shaft are respectively connected with the first limiting pin holes and the second limiting pin holes, so that the limiting support of the adjusting pin shaft adjusting positioning piece is more stable, and the operation is simple.
3. The invention provides a pile hammer pile cap, which comprises an upper pile cap, a lower barrel, a pile head buffer part, a pile head base plate, a plurality of adjusting blocks, a plurality of adjusting supports and a plurality of adjusting pin shafts, wherein when in use, the diameter of the pile head of a cement precast pile to be constructed is determined firstly, then each adjusting block is moved radially, an adjusting positioning piece of each adjusting block penetrates through each vertical strip-shaped hole circumferentially arranged on the side wall of the lower barrel from a lower cavity, therefore, each adjusting positioning piece moves radially in each vertical strip-shaped hole to realize the adjustment of the radial distance between a pile clamping piece of each adjusting block 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 is matched with the diameter of the pile head, the adjusting positioning piece of each adjusting block is in pin-fixed connection with each adjusting support by the adjusting pin shaft, the adjustment of the diameter of the inner cavity of the lower pile cap is realized, thereby realizing the construction of, 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.
4. The upper pile cap comprises an upper barrel body, a pile cap anvil block, a hammer pad, an outer buffer cushion and an annular top plate, wherein a first buffer cavity on the upper end face of the pile cap anvil block is circular, when the upper pile cap anvil block is used, the lower end of a pile hammer conveniently enters the circular first buffer cavity, accurate positioning can be achieved, the hammer pad is arranged above the pile cap anvil block, the striking energy of a hammer core of the pile hammer can play a role of buffering through the buffer of the hammer pad, the service life of the pile cap is prolonged, and the installation of the pile cap of the pile hammer is facilitated due to the arrangement of the annular top plate.
5. The upper pile cap further comprises an annular limiting plate and a plurality of reinforcing rib plates, and the rigidity of the upper pile cap can be enhanced and the service life of the upper pile cap is prolonged due to the arrangement of the reinforcing rib plates.
6. The adjusting support frame comprises a first adjusting support plate and a second adjusting support plate, and the two adjusting support plates are arranged to facilitate the supporting adjustment 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.
7. Preferably, the number of the first limiting pin holes and the number of the second limiting pin holes are four, the number of the positioning pin holes of each group of positioning adjusting pin holes is two, and two adjacent positioning adjusting pin holes are staggered with each other in the vertical position, so that under the condition that the adjusting length of the positioning piece and the size of the pin hole are adjusted in the same way, more radial adjusting distances are realized, the pile cap of the pile hammer can be suitable for construction of more cement precast piles with different diameters, and the cost is saved.
8. The lower end of each pile clamping piece is bent and extended outwards and forms a horn-shaped lower pile cap opening, so that a pile head of a cement precast pile to be constructed can more conveniently enter an inner cavity of the lower pile cap, and the installation of the pile head is facilitated.
9. The periphery of the pile head base plate is circumferentially connected with the side wall of the lower barrel through a plurality of base plate limiting screws, so that the pile head base plate is convenient to replace and install.
10. The pile head buffer piece is connected with the pile head cushion plate through the cushion plate connecting piece, so that the buffer connection between the pile head buffer piece and the pile head cushion plate is more stable.
11. The lifting lugs are arranged to facilitate hoisting and transportation binding of the pile cap of the pile hammer, and the pile cap of the pile hammer is prevented from falling off in the transportation process.
Drawings
Fig. 1 is a schematic perspective structural view of the pile cap of the pile hammer according to the embodiment of the invention.
Fig. 2 is a side view of a pile driving hammer cap according to an embodiment of the invention.
Fig. 3 is a first cross-sectional view of a pile driving hammer cap in accordance with an embodiment of the present invention.
Fig. 4 is a second cross-sectional view of the pile cap of the pile hammer of the embodiment of the 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 provides a detailed description of embodiments of the invention.
Referring to fig. 1 to 4, the diameter adaptation and adjustment method of the pile driving hammer pile cap provided by the invention comprises the following steps:
(1) determining the size of the pile diameter, and determining the diameter of the pile head of the cement precast pile 90 to be constructed;
(2) adjusting the inner diameter of the lower pile cap, radially moving each adjusting block 50 of the pile driving hammer pile cap, adjusting 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, and fixedly connecting the adjusting positioning piece 52 of each adjusting block 50 with each adjusting support frame 60 by using an adjusting pin shaft 70; the pile cap of the pile hammer comprises an upper pile cap 10, a lower cylinder 20, a pile head buffer member 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 with the lower end face of the upper pile cap 10 to form a lower accommodating cavity, the pile head buffer member 30 and the pile head backing plate 40 are sequentially installed on the bottom of the lower accommodating cavity from top to bottom, and the adjusting blocks 50 comprise pile clamping pieces 51 and adjusting positioning pieces 52;
(3) the pile cap of the pile hammer is arranged and is arranged at the lower end of the pile hammer core of the pile hammer through an upper pile cap 10, wherein the pile hammer comprises the pile hammer core and the pile cap of the pile hammer;
(4) and (3) cement pile installation, namely installing the pile head of the cement precast pile 90 to be constructed 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 supported on 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 method comprises the steps of firstly determining the diameter of a pile head of a cement precast pile 90 to be constructed, then radially moving each adjusting block 50, adjusting the radial distance between a pile clamping piece 51 of each adjusting block 50 and the central axis of the pile cap, enabling the diameter of an inner cavity of a lower pile cap formed by each pile clamping piece 51 to be matched with the diameter of the pile head, and using an adjusting pin shaft 70 to pin-fixedly connect an adjusting positioning piece 52 of each adjusting block 50 with each adjusting support frame 60, so that the diameter of the inner cavity of the lower pile cap is adjusted, the construction of the cement precast pile 90 matched with different diameter specifications is realized, the pile diameter is adjusted safely and quickly, the cost is greatly reduced, and the construction efficiency is improved; then the pile driving 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 driving 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 supported on the lower end surface of the pile head backing plate 40, the installation of the cement precast pile 90 to be constructed is completed, the pile head backing plate 40 at the lower end of the pile head buffer member 30 is supported on the top end of the pile head of the cement precast pile 90 to be constructed, the buffer is provided between the pile head and the pile cap anvil block 12 of the upper pile cap 10, 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.
Wherein, adjust support frame 60 and include first regulation backup pad 61, second regulation backup pad 62, first regulation backup pad 61, the both sides in vertical bar hole 21 are installed respectively to second regulation backup pad 62, first regulation backup pad 61, be equipped with a plurality of first spacing pinhole 611 on the second regulation backup pad 62 respectively, second spacing pinhole 621, a plurality of first spacing pinhole 611, second spacing pinhole 621 is vertical arrangement respectively, be equipped with multiunit location regulation pinhole on the regulation setting element 52, each group location regulation pinhole 521 includes a plurality of location pinhole 521, a plurality of location pinhole 521 are vertical arrangement, step (2) still includes following step:
each adjusting pin 70 passes through the first limiting pin hole 611, the positioning pin hole 521 and the second limiting pin hole 621 in sequence, and the adjusting positioning piece 52 of each adjusting block 50 is connected with each first adjusting support plate 61 and the second adjusting support plate 62 in a locking manner.
When the adjusting support frame 60 is used, the adjusting pin shaft 70 penetrates through the positioning pin holes 521, two ends of the adjusting pin shaft 70 are respectively connected with the first limiting pin hole 611 and the second limiting pin hole 621, so that the limiting support of the adjusting pin shaft 70 for adjusting the positioning piece 52 is more stable, and the operation is simple.
As shown in fig. 1 to 4, the pile hammer pile cap for implementing the method provided by the invention comprises an upper pile cap 10, a lower barrel 20, a pile head buffer 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 pins 70, wherein the upper end of the lower barrel 20 is connected with the lower end surface of the upper pile cap 10 and forms a lower cavity, the pile head buffer 30 and the pile head backing plate 40 are sequentially installed on the cavity bottom of the lower cavity from top to bottom, a plurality of vertical bar-shaped holes 21 are uniformly arranged on the side wall of the lower barrel 20 in the circumferential direction, each adjusting support frame 60 is respectively installed on the outer side surface of each vertical bar-shaped hole 21, the adjusting blocks 50 comprise a pile clamping piece 51 and an adjusting positioning piece 52, one end of each adjusting positioning piece 52 is connected with each pile clamping piece 51, the other end of each adjusting positioning piece 52 penetrates each vertical bar-shaped hole 21 from the lower cavity and is movably connected with each adjusting support frame 60 through the adjusting pins 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.
When the adjustable adjusting device is used, the diameter of the pile head of the cement precast pile 90 to be constructed is determined firstly, then each adjusting block 50 is moved in the radial direction, and 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, so that each adjusting positioning piece 52 moves in the radial direction of each vertical strip-shaped hole 21 to realize the adjustment of the radial distance between the pile clamping piece 51 of each adjusting block 50 and the central axis of the pile cap, 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 the adjusting pin shaft 70, the adjustment of the diameter of the inner cavity of the lower pile cap is realized, the construction of the cement precast pile 90 matched with different diameter specifications is realized, the pile diameter adjustment is safe and quick, the; 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 merely specific embodiments of the present invention, and the scope of the present invention is not limited thereby; any alterations and modifications without departing from the spirit of the invention are within the scope of the invention.
Claims (10)
1. The diameter adaptation and adjustment method of the pile cap of the pile hammer is characterized by comprising the following steps of:
(1) determining the size of the pile diameter, and determining the diameter of the pile head of the cement precast pile to be constructed;
(2) adjusting the inner diameter of a lower pile cap, radially moving each adjusting block of the pile cap of the pile hammer, adjusting the radial distance between a pile clamping piece of each adjusting block 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 is matched with the diameter of the pile head, and fixedly connecting an adjusting positioning piece of each adjusting block with each adjusting support frame through an adjusting pin shaft; the pile driving hammer pile cap 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 face of the upper pile cap to form a lower accommodating cavity;
(3) the pile cap of the pile hammer is arranged at the lower end of the pile hammer core of the pile hammer through the upper pile cap, wherein the pile hammer comprises the pile hammer core and the pile cap of the pile hammer;
(4) and (3) mounting a cement pile, namely mounting the pile head of the cement precast pile to be constructed 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 supported on the lower end surface of the pile head base plate, and the cement precast pile to be constructed is mounted.
2. The method for adapting the diameter of the pile cap of the pile hammer according to claim 1, 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 respectively 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 comprises a plurality of positioning pin holes, the plurality of positioning pin holes are vertically arranged, and the step (2) further comprises the following steps:
and each adjusting pin shaft sequentially penetrates through the first limiting pin hole, the positioning pin hole and the second limiting pin hole, and the adjusting positioning piece of each adjusting block is in pin-fixed connection with each first adjusting support plate and each second adjusting support plate.
3. The pile hammer pile cap for implementing the diameter adaptation adjusting method according to any one of claims 1 to 2, which comprises an upper pile cap, a lower cylinder, a pile head buffer, a pile head backing plate, a plurality of adjusting blocks, a plurality of adjusting supports and a plurality of adjusting pins, 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 and the pile head backing plate are sequentially installed on the bottom of the lower cavity from top to bottom, a plurality of vertical bar-shaped holes are uniformly arranged on the circumferential direction of the side wall of the lower cylinder, each adjusting support is respectively installed on the outer side surface of each vertical bar-shaped hole, each adjusting block comprises a pile clamping piece and an adjusting positioning piece, one end of each adjusting positioning piece is connected with each pile clamping piece, the other end of each adjusting positioning piece penetrates through each vertical bar-shaped hole from the lower cavity and is movably connected with each adjusting support through each adjusting pin, and the inner side surface of each pile clamping piece and the lower end surface of the pile head base plate form a lower pile cap.
4. A pile driving hammer pile cap as set forth in claim 3, wherein said upper pile cap comprises an upper cylinder, a pile cap anvil block, a hammer pad, an outer cushion pad, and an annular top plate, said pile cap anvil block is mounted in said upper cylinder, said upper pile cap is connected to said lower cylinder through a lower end surface of said pile cap anvil block, an upper end surface of said pile cap anvil block is provided with a first buffer cavity and a second buffer cavity, said first buffer cavity is circular, said second buffer cavity surrounds said first buffer cavity, said hammer pad and said outer cushion pad are respectively mounted in said first buffer cavity and said second buffer cavity, and said annular top plate is enclosed on a top surface of said second buffer cavity and connected to an upper end of said upper cylinder.
5. The pile hammer pile cap of claim 4, 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.
6. The pile hammer pile cap of any one of claims 3 to 5, 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.
7. The pile hammer cap of claim 6, 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 each set of said alignment pin holes of each of said alignment locators is movably coupled to each of said two first and second stop pin holes through two alignment pin holes.
8. Pile driving hammer pile cap according to any one of claims 3 to 5, wherein the lower end of each pile clip is bent outwards and forms a flared lower pile cap opening.
9. Pile driving hammer pile cap according to any of claims 3 to 5, 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.
10. Pile driving hammer pile cap according to any one of claims 3 to 5, further comprising a pad connector, through which the pile head cushion is connected to the pile head pad.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911310398.8A CN110952556A (en) | 2019-12-18 | 2019-12-18 | Pile cap of pile hammer and diameter adaptive adjustment method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911310398.8A CN110952556A (en) | 2019-12-18 | 2019-12-18 | Pile cap of pile hammer and diameter adaptive adjustment method thereof |
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| CN110952556A true CN110952556A (en) | 2020-04-03 |
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| CN201911310398.8A Pending CN110952556A (en) | 2019-12-18 | 2019-12-18 | Pile cap of pile hammer and diameter adaptive adjustment method thereof |
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| CN116289943A (en) * | 2023-05-10 | 2023-06-23 | 西南石油大学 | Pile driving cap structure of marine drilling platform riser and pile driving method thereof |
| CN116793222A (en) * | 2023-08-24 | 2023-09-22 | 兰州天瑞测绘工程有限公司 | Target for close-range photogrammetry and use method |
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| CN116289943A (en) * | 2023-05-10 | 2023-06-23 | 西南石油大学 | Pile driving cap structure of marine drilling platform riser and pile driving method thereof |
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| CN116793222B (en) * | 2023-08-24 | 2023-10-17 | 兰州天瑞测绘工程有限公司 | Target for close-range photogrammetry and use method |
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