A pile cap for a pipe pile construction hammer pile

Abstract

The application discloses a pipe pile construction hammer pile cap and relates to the technical field of building construction equipment. The pipe pile construction hammer pile cap comprises a pile cap mechanism, a clamping mechanism is arranged at the bottom and the outer side of the pile cap mechanism, the pile cap mechanism comprises a hammer pile cap, and a top cover is arranged at the top of the hammer pile cap. The bottom of the hammer pile cap is provided with a through hole, the hammer pile cap is sleeved at the top of a sunk pile, hard rubber is arranged at the inner part of the hammer pile cap and the connection position of the top of the sunk pile as a flexible support, an inner support plate is further arranged at the top of the hammer pile cap for limiting installation, the stability is maintained, the top cover is arranged on the top for facilitating hammering, the steel plate and the reinforcing pad are utilized for facilitating the increase of the supporting force and the strength inside, and then the use effect is guaranteed. The concentrated impact force can be evenly transmitted to the top of the pile by the pile cap. The inner part of the pile cap is usually provided with buffer materials. The buffer materials can be elastically deformed when being impacted, so that the distribution of the impact force on the top of the pile is more uniform.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of building construction equipment, in particular to a pipe pile construction hammering pile cap. BACKGROUND

[0002] In building engineering, pipe pile construction often adopts hammering method. The pile cap is an important component in the process of hammering pile construction, which uniformly transmits the impact force of the pile hammer to the top of the pipe pile to prevent the pipe pile top from being damaged due to excessive local stress.

[0003] In the prior art, such as patent application No. CN202022990622.7, "a pipe pile cap suitable for hammering pile construction", the top of the pile cap is a circular steel plate with an exhaust hole in the center, and the circular steel plate and the inner and outer two-layer steel ring guard plates below are concentrically welded together. The stiffened steel rib plate supports and reinforces the circular steel plate and the steel ring guard plate. The outer stiffened steel rib plate is provided with a lifting hole, and the annular groove between the inner and outer steel ring guard plates is provided with a steel fiber rubber annular gasket. The pipe pile cap can play a buffering role in the process of hammering pile construction, making the pipe pile top stress uniform, preventing the pile body from tilting, and the pile cap itself has strong impact resistance, and also solves the problem of damage to the pile body in the process of hammering pile construction.

[0004] The existing hammering pile is easy to cause the pile head to explode when hammering the pile due to excessive impact force, which affects the normal use of the pile head and the operation effect. In view of the above problems, a pipe pile construction hammering pile cap is proposed. SUMMARY

[0005] The purpose of the present application is to provide a pipe pile construction hammering pile cap to solve the problem of the existing technology that the hammering pile is easy to cause the pile head to explode when hammering the pile due to excessive impact force, which affects the normal use of the pile head and the operation effect.

[0006] To achieve the above object, the present application provides the following technical scheme: a pipe pile construction hammer pile cap, comprising a cap mechanism, the bottom and the outer side of the cap mechanism are provided with a clamping mechanism, the cap mechanism comprises a hammer pile cap, the top of the hammer pile cap is provided with a top cover, the inside of the hammer pile cap is provided with a steel plate, the bottom of the steel plate is provided with a reinforcing pad, the bottom of the reinforcing pad is provided with an inner support plate, the bottom of the inner support plate is provided with hard rubber, the reinforcing pad and the inner support plate are connected to the inner side of the hammer pile cap, screw holes are formed through the two sides of the hammer pile cap, a through hole is formed in the bottom of the hammer pile cap, the hammer pile cap is sleeved on the top of the driven pile, and hard rubber is arranged at the connection between the inside of the hammer pile cap and the top of the driven pile as a flexible support, the inner support plate is further positioned and installed on the top, so that the stability is maintained, the top cover is covered on the top, so that hammering is facilitated, the steel plate and the reinforcing pad are used to increase the supporting force and the strength inside, so that the use effect is guaranteed, the concentrated impact force can be uniformly transmitted to the pile top by the cap, the inside of the cap is usually provided with buffer materials, the buffer materials can be elastically deformed when impacted, so that the distribution of the impact force on the pile top is more uniform, the damage such as rupture and crushing of the pile top due to excessive local stress is avoided, the cap can effectively reduce the deformation by the structural strength and the buffer mechanism of the cap, the cap is usually provided with a centering device, so that the cap and the pile top can be accurately centered. In the process of driving the pile, centering is very important. If the cap and the pile top are not centered, eccentric force will be generated when hammering. The centering device of the cap can adapt to piles with different diameters, so that the cap can be accurately positioned at the center position of the pile top, the hammering force is guaranteed to act vertically on the pile top, so that the direction of the driven pile is guaranteed to be vertical, the requirements of the project on the verticality of the pile foundation are met, when the pile hammer hammers the pile top, the pile body will generate a reaction force. The cap can buffer the damage of the reaction force to the pile hammer. The buffer device in the cap will be elastically deformed when the reaction force of the pile body is applied, so that part of the energy is absorbed, thereby reducing the impact of the reaction force on the pile hammer and prolonging the service life of the pile hammer.

[0007] Preferably, the clamping mechanism comprises a first rotating seat, a clamping plate and a clamping ring, the first rotating seat is symmetrically connected to the outer wall of the hammer pile cap, the inner side of the first rotating seat is movably connected with a pneumatic telescopic rod, the pneumatic telescopic rod is rotatably connected through the first rotating seat, so that the pneumatic telescopic rod is conveniently installed, and the function of pneumatic telescopic adjustment is provided, thereby conveniently driving the second rotating seat to rotate and adjust.

[0008] Preferably, one end of the pneumatic telescopic rod is movably connected with a second rotating seat, the bottom end of the second rotating seat is connected with a connecting plate, one end of the connecting plate is fixedly connected with a connecting block, a side of the connecting plate and the connecting block is symmetrically fixedly installed with a side brace, the rotating of the connecting plate is controlled by the extension and contraction of the pneumatic telescopic rod, thereby facilitating the rotation adjustment of the connecting block, and the high-efficiency transmission effect is realized, and the side brace can provide stable supporting force to ensure stable clamping.

[0009] Preferably, one end of the connecting block is movably connected with a third rotating seat, the side of the third rotating seat is fixedly connected to the outside of the hammer pile cap, the third rotating seat facilitates the rotation and support of the connecting block, thereby improving the stability.

[0010] Preferably, the other end of the connecting block is movably connected with a fourth rotating seat, the side of the fourth rotating seat is fixedly connected with an inclined plate, the fourth rotating seat facilitates the connection between the connecting block and the inclined plate, thereby realizing quick and convenient operation.

[0011] Preferably, the outer wall of the inclined plate is provided with a threaded nipple, the outer side of the inclined plate is sleeved with a fastening ring, the inner wall of the fastening ring is threadedly connected with the threaded nipple, the threaded nipple and the fastening ring are connected, the inclined plate and the threaded nipple adopt an inclined inverted trapezoidal shape, thereby facilitating further fastening effect and ensuring stability.

[0012] Preferably, the clamping plate is arranged on the inner side of the inclined plate, a plurality of anti-skid strips are uniformly distributed on the inner side of the clamping plate, the anti-skid strips are distributed in the clamping plate, thereby facilitating efficient protection effect to ensure the stability after clamping.

[0013] Preferably, the bottom of the clamping ring is fixedly connected with the top of the clamping plate, a plurality of anti-skid rings are uniformly distributed on the inner side of the clamping ring, the anti-skid rings are distributed on the clamping ring, thereby facilitating further stable anti-skid limiting effect after clamping of the clamping ring.

[0014] Preferably, the height of the hammer pile cap is 41-45cm.

[0015] Preferably, the thickness of the hard rubber is 5cm.

[0016] Compared with the prior art, the present application has the following advantages:

[0017] 1、In the present application, the bottom of the hammer pile cap is provided with a through hole, which is sleeved on the top of the pile, and a hard rubber is arranged at the connection between the inside of the hammer pile cap and the top of the pile as a flexible support, which is further limited and installed by the inner support plate on the top, keeping stable, and the top is capped by the top cover, which is convenient for hammering, and the steel plate and the reinforcing pad are used to increase the support force and strength inside, thereby ensuring the use effect, the pile cap can evenly transmit the concentrated impact force to the pile top, the inside of the pile cap is usually provided with buffer materials, which will elastically deform when impacted, so that the distribution of impact force on the pile top is more uniform, avoiding the damage such as rupture and crushing of the pile top due to excessive local stress, the pile cap can effectively reduce the deformation through its structural strength and buffer mechanism, and the pile cap is usually equipped with a centering device to ensure that the pile cap and the pile top are accurately centered, and the centering is very critical during the pile sinking process, if the pile cap and the pile top are not centered, eccentric force will be generated during hammering, the centering device of the pile cap can adapt to piles of different diameters and accurately position the pile top center position, so that the hammering force is perpendicular to the pile top, thereby ensuring that the pile sinking direction is vertical, meeting the requirements of the project on the pile foundation verticality, when the pile hammer hammers the pile top, the pile body will generate a reaction force, and the pile cap can buffer the damage of the reaction force to the pile hammer, and the buffer device in the pile cap will elastically deform when subjected to the reaction force of the pile body, absorbing part of the energy, thereby reducing the impact of the reaction force on the pile hammer and prolonging the service life of the pile hammer.

[0018] 2、In the present application, during the process of hammering the pile, the pile body is easy to be affected by external factors and deviate horizontally, the clamping mechanism can tightly hold the pile body and limit the lateral movement of the pile body, the clamping mechanism helps to maintain the axial stress state of the pile, if there is no clamping mechanism, the hammering force may not be completely transmitted along the axial direction of the pile due to the shaking of the pile body during hammering, and part of the force will be decomposed into lateral force, the clamping mechanism can ensure that the hammering force is transmitted along the axial direction of the pile as much as possible by stabilizing the pile body, so as to ensure that the pile can effectively transmit the upper structure load to the deep foundation and play its bearing role, during the process of sinking the pile, especially in the lifting and initial hammering stage, the pile body may fall off from the pile cap, causing safety accidents, and the clamping mechanism can firmly fix the pile body to prevent it from falling off accidentally. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 It is a perspective view of the hammer pile cap for pipe pile construction of the present application;

[0020] Figure 2 It is another angle structural schematic view of the hammer pile cap for pipe pile construction of the present application;

[0021] Figure 3 It is an enlarged structural schematic view of A in the present application Figure 2 ;

[0022] Figure 4 Figure is a sectional view of a pile cap of a pipe pile construction hammer pile of the present application;

[0023] Figure 5 Figure is a structure schematic diagram of a clamping mechanism of a pile cap of a pipe pile construction hammer pile of the present application;

[0024] Figure 6 Figure is a structure schematic diagram of a clamping mechanism of a pile cap of a pipe pile construction hammer pile of the present application; Figure 5

[0025] Figure is a structure schematic diagram of a clamping mechanism of a pile cap of a pipe pile construction hammer pile of the present application;

[0026] 1, pile cap mechanism; 101, hammer pile pile cap; 102, top cover; 103, steel plate; 104, reinforcing pad; 105, inner support plate; 106, hard rubber; 107, screw hole; 2, clamping mechanism; 201, first rotating seat; 202, pneumatic telescopic rod; 203, second rotating seat; 204, connecting plate; 205, side support bar; 206, connecting block; 207, third rotating seat; 208, fourth rotating seat; 209, inclined plate; 210, threaded screw hole; 211, fastening ring; 212, clamping plate; 213, anti-skid bar; 214, clamping ring; 215, anti-skid ring. DETAILED DESCRIPTION

[0027] The technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all the other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0028] Embodiment one: refer to Figures 1-6 ​As shown: a kind of pipe pile construction hammer pile cap, the bottom and the outside of pile cap mechanism 1 are provided with clamping mechanism 2, pile cap mechanism 1 includes hammer pile cap 101, the top of hammer pile cap 101 is provided with top cover 102, the inside of hammer pile cap 101 is provided with steel plate 103, the bottom of steel plate 103 is provided with reinforcing pad 104, reinforcing pad 104 bottom is provided with inner support plate 105, the bottom of inner support plate 105 is provided with hard rubber 106, reinforcing pad 104 and inner support plate 105 are all connected in the inside of hammer pile cap 101, the both sides of hammer pile cap 101 are provided with screw hole 107, the bottom of hammer pile cap 101 is provided with through hole, it is set in the top of sinking pile, and hard rubber 106 is arranged as flexible support in the inside of hammer pile cap 101 and the top of sinking pile connection, it is further limited installation in its top by inner support plate 105, keep stable, in addition, it is covered in top by top cover 102 to facilitate hammering, while using steel plate 103 and reinforcing pad 104 is favorable to the inside increase support force and strength, to guarantee the use effect, pile cap can evenly transmit this concentrated impact force to pile top, the inside of pile cap is usually provided with buffer material, these buffer materials will be elastically deformed when being impacted, so that the distribution of impact force on the pile top is more uniform, avoid the rupture, crushing and other damage conditions of pile top due to local excessive stress, the pile cap can effectively reduce the occurrence of deformation by its structural strength and buffer mechanism, the pile cap is usually equipped with centering device, which can ensure that the pile cap is accurately centered with the pile top. In the process of sinking pile, centering is very critical. If the pile cap is not centered with the pile top, eccentric force will be generated when hammering. The centering device of the pile cap can adapt to piles of different diameters, so that it can be accurately positioned at the center position of the pile top, ensure that the hammering force is perpendicular to the pile top, and then ensure that the direction of sinking pile is vertical, meet the requirements of the project on the verticality of pile foundation. When the pile hammer hammers the pile top, the pile body will generate a reaction force. The pile cap can buffer the damage of the reaction force to the pile hammer. The buffer device in the pile cap will be elastically deformed when subjected to the reaction force of the pile body, absorbing part of the energy, thereby reducing the impact of the reaction force on the pile hammer and prolonging the service life of the pile hammer.

[0029] As Figure 3 Shown, clamping mechanism 2 includes first rotating seat 201, clamping plate 212 and clamping ring 214, first rotating seat 201 is symmetrically connected to the outer wall of hammer pile cap 101, the inside of first rotating seat 201 movably connects pneumatic telescopic rod 202, pneumatic telescopic rod 202 is rotatably connected through first rotating seat 201, which facilitates the installation of pneumatic telescopic rod 202, and provides the function of pneumatic telescopic adjustment, thereby facilitating the simultaneous rotation adjustment of second rotating seat 203.

[0030] As Figure 3 And Figure 5As shown, one end of the pneumatic telescopic rod 202 is movably connected with the second rotating seat 203, the bottom end of the second rotating seat 203 is connected with the connecting plate 204, one end of the connecting plate 204 is fixedly connected with the connecting block 206, the connecting plate 204 and the connecting block 206 are symmetrically fixedly installed with the side struts 205 on one side, the pneumatic telescopic rod 202 is controlled to stretch and retract to drive the connecting plate 204 to rotate, thereby facilitating the driving of the connecting block 206 to rotate and adjust, realizing the function of efficient transmission, and the side struts 205 can provide stable support to ensure stable clamping.

[0031] As shown in Figure 5 , one end of the connecting block 206 is movably connected with the third rotating seat 207, the side surface of the third rotating seat 207 is fixedly connected to the outside of the hammer pile cap 101, the third rotating seat 207 facilitates the rotation and support of the connecting block 206, thereby improving the stability.

[0032] As shown in Figure 5 , the other end of the connecting block 206 is movably connected with the fourth rotating seat 208, the side surface of the fourth rotating seat 208 is fixedly connected with the inclined plate 209, the fourth rotating seat 208 facilitates the connection between the connecting block 206 and the inclined plate 209, thereby realizing quick and convenient operation.

[0033] As shown in Figure 5 , the outer wall of the inclined plate 209 is provided with a threaded nipple 210, the outer side of the inclined plate 209 is sleeved with a fastening ring 211, the inner wall of the fastening ring 211 is threadedly connected with the threaded nipple 210, the threaded nipple 210 and the fastening ring 211 are connected, wherein the inclined plate 209 and the threaded nipple 210 adopt an inclined inverted trapezoidal shape, thereby facilitating further fastening effect and ensuring stability.

[0034] As shown in Figure 5 , the clamping plate 212 is arranged on the inner side of the inclined plate 209, the inner side of the clamping plate 212 is uniformly distributed with a plurality of anti-skid strips 213, the anti-skid strips 213 are distributed inside the clamping plate 212, thereby facilitating efficient protection effect to ensure the stability after clamping.

[0035] As shown in Figure 5 and Figure 6 , the bottom of the clamping ring 214 is fixedly connected with the top of the clamping plate 212, the inner side of the clamping ring 214 is uniformly distributed with a plurality of anti-skid rings 215, the anti-skid rings 215 are distributed on the clamping ring 214 to facilitate further stable anti-skid limiting effect after the clamping of the clamping ring 214.

[0036] As shown in Figure 4 , the height of the hammer pile cap 101 is 41-45 cm.

[0037] AsFigure 4 As shown, the thickness of the hard rubber 106 is 5 cm.

[0038] In the present application, when the pile cap for hammering pile in tubular pile construction is used, first, a through hole is formed in the bottom of the pile cap 101, and the pile cap 101 is sleeved on the top of the driven pile. A hard rubber 106 is arranged as a flexible support at the inner part of the pile cap 101 and the connection between the top of the driven pile. The hard rubber 106 is further limited and installed by the inner support plate 105 at the top, so as to keep stable. In addition, the top cap 102 is capped on the top, so as to facilitate hammering. At the same time, the steel plate 103 and the reinforcing pad 104 are used to facilitate the increase of the supporting force and the strength inside, so as to ensure the use effect. The pile cap can uniformly transmit the concentrated impact force to the top of the pile. The pile cap is usually provided with buffer materials. When the buffer materials are impacted, they will be elastically deformed, so that the distribution of the impact force on the top of the pile is more uniform. The first rotating seat 201 is rotationally connected to the pneumatic telescopic rod 202, so as to facilitate the installation of the pneumatic telescopic rod 202 and provide the function of pneumatic telescopic adjustment, so as to facilitate the rotation adjustment of the second rotating seat 203. The pneumatic telescopic rod 202 is controlled to rotate to drive the connecting plate 204 to rotate, so as to facilitate the rotation adjustment of the connecting block 206, realize the function of high-efficiency transmission, and provide stable supporting force by the side support bar 205, so as to ensure stable clamping. The third rotating seat 207 facilitates the rotation and support of the connecting block 206, so as to improve the stability. The fourth rotating seat 208 facilitates the connection between the connecting block 206 and the inclined plate 209, so as to realize quick and convenient operation. The inclined plate 209 and the threaded nipple 210 are arranged in an inclined inverted trapezoidal shape, so as to facilitate the further fastening effect and ensure the stability. The anti-skid strips 213 are arranged in the inner part of the clamping plate 212, so as to facilitate the efficient protection effect, so as to ensure the stability after clamping. The anti-skid ring 215 is arranged on the clamping ring 214, so as to provide further stable anti-skid limiting effect after the clamping of the clamping ring 214.

[0039] Although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art can modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacements to some technical features, as long as the modifications, equivalent replacements, improvements, etc. are within the spirit and principles of the present application.

Claims

1. A pipe pile construction hammering pile cap, comprising a pile cap mechanism (1), characterized in that: The bottom and the outer side of the pile cap mechanism (1) are provided with a clamping mechanism (2), the pile cap mechanism (1) comprises a hammer pile cap (101), the top of the hammer pile cap (101) is provided with a top cover (102), the inside of the hammer pile cap (101) is provided with a steel plate (103), the bottom of the steel plate (103) is provided with a reinforcing pad (104), the bottom of the reinforcing pad (104) is provided with an inner support plate (105), the bottom of the inner support plate (105) is provided with a hard rubber (106), the reinforcing pad (104) and the inner support plate (105) are connected to the inner side of the hammer pile cap (101), and screw holes (107) are formed in the two sides of the hammer pile cap (101). The clamping mechanism (2) comprises a first rotating seat (201), a clamping plate (212) and a clamping ring (214), the first rotating seat (201) is symmetrically connected to the outer wall of the hammer pile cap (101), and the inner side of the first rotating seat (201) is movably connected with a pneumatic telescopic rod (202); One end of the pneumatic telescopic rod (202) is movably connected with a second rotating seat (203), the bottom end of the second rotating seat (203) is connected with a connecting plate (204), one end of the connecting plate (204) is fixedly connected with a connecting block (206), and the connecting plate (204) and the connecting block (206) are symmetrically fixedly installed with side support strips (205) on one side. One end of the connecting block (206) is movably connected with a third rotating seat (207), and the side surface of the third rotating seat (207) is fixedly connected to the outer side of the hammer pile cap (101). The other end of the connecting block (206) is movably connected with a fourth rotating seat (208), and the side surface of the fourth rotating seat (208) is fixedly connected with an inclined plate (209). The outer wall of the inclined plate (209) is provided with a threaded hole (210), the outer side of the inclined plate (209) is provided with a fastening ring (211), the inner wall of the fastening ring (211) is threadedly connected with the threaded hole (210), and the inclined plate (209) and the threaded hole (210) adopt an inclined inverted trapezoidal shape.

2. A pipe pile construction hammer pile cap according to claim 1, characterised in that: The clamping plate (212) is arranged on the inner side of the inclined plate (209), and a plurality of anti-skid strips (213) are uniformly distributed on the inner side of the clamping plate (212).

3. A pile cap for a pipe pile construction hammering pile according to claim 1, characterized in that: The bottom of the clamping ring (214) is fixedly connected with the top of the clamping plate (212), and a plurality of anti-skid rings (215) are uniformly distributed on the inner side of the clamping ring (214).

4. A pipe pile construction hammer pile cap according to claim 1, characterised in that: The height of the hammer pile cap (101) is 41-45cm.

5. A pipe pile construction hammer pile cap according to claim 1, characterised in that: The thickness of the hard rubber (106) is 5cm.

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