A vibratory hammer for pile construction

Abstract

The invention discloses a vibrating hammer for pile foundation construction, belonging to the technical field of vibrating hammers, comprising a vibrating hammer body and a vibrating hammer clamping mechanism, wherein the vibrating hammer clamping mechanism comprises: a supporting frame, a moving block, a fixed plate, a gold edge, a telescopic component, a limiting component, a driving component and an auxiliary component; a supporting frame is fixedly installed at the bottom end of the vibrating hammer body, and the driving component can make the fixed plate and the clamping plate approach the outer wall of the pile foundation, and clamp the outer wall of the pile foundation, and during the clamping process, the telescopic component can reduce the distance between the fixed plate and the clamping plate, further realize the contact between the limiting component and the top end of the pile foundation, and fully limit the pile foundation, and after the clamping is completed, the inner wall of the pile foundation can be clamped by the auxiliary component to avoid deformation of the pile foundation during the clamping process, effectively ensure the stability of the pile foundation, and facilitate the work of the vibrating hammer body.

Description

Technical Field

[0001] The invention belongs to the technical field of vibratory hammers, and in particular relates to a vibratory hammer used for pile foundation construction. Background Art

[0002] A vibratory hammer generates periodic vibration force to hammer an object. Especially in the construction industry, vibratory hammers are widely used. For example, in the process of pile foundation construction, a vibratory hammer is needed to drive the pile foundation pipe into the ground so that the pile foundation pipe can contact the deep hard soil, and then cement is poured into the pile foundation pipe to form a cement column in the pile foundation pipe. The bearing force of the building on the ground can be transmitted to the underground through the cement column, thereby improving the rigidity of the foundation; the pile foundation pipes are of different sizes, that is, the inner diameters of the pile foundation pipes are of different sizes. When a vibratory hammer is used to construct pile foundation pipes of different sizes, it is necessary to replace clamps of different specifications to clamp the pile foundation pipes.

[0003] The existing vibrating hammers used for pile foundation construction are not convenient to adjust according to the inner diameter of the pile foundation pipe during use, and most of them are single-sided clamping, with poor clamping effect. During the clamping process, it is easy to cause the pile foundation pipe to loosen and the clamping part of the pile foundation pipe to deform, and even cause the pile foundation pipe to rupture, affecting the use effect of the pile foundation and causing certain safety hazards.

[0004] In order to avoid the above technical problems, it is necessary to provide a vibrating hammer for pile construction to overcome the above defects in the prior art. Summary of the invention

[0005] The object of the present invention is to provide a vibratory hammer for pile foundation construction to solve the problems raised in the above-mentioned background technology.

[0006] To achieve the above object, the present invention provides the following technical solutions:

[0007] A vibrating hammer for pile foundation construction, comprising a vibrating hammer body and a vibrating hammer clamping mechanism, wherein the vibrating hammer clamping mechanism comprises:

[0008] A support frame is fixedly mounted on the bottom end of the vibration hammer body, a moving block is provided on the inner side of the support frame, a fixing plate is fixedly mounted on the bottom end of the moving block, a clamping plate is provided on the side of the fixing plate, an anti-slip pad is installed on the surface of the clamping plate, a telescopic component is provided between the fixing plate and the clamping plate, which is used to adjust the distance between the fixing plate and the clamping plate, the clamping plate is used to contact with the outer wall of the foundation pile and clamp the outer wall of the foundation pile, and a limiting component is installed between the top end of the clamping plate and the fixing plate, which is used to limit the top end of the foundation pile when the distance between the clamping plate and the fixing plate is reduced;

[0009] A driving assembly is installed between the moving block and the support frame, which is used to drive the moving block to move its position inside the support frame so that the clamping plate contacts the outer wall of the pile foundation; an auxiliary assembly is provided in the middle of the support frame, which is used to contact the inner wall of the pile foundation and clamp the inner wall of the pile foundation.

[0010] As a further technical solution of the present invention: the telescopic assembly comprises:

[0011] The positioning hole is located on the fixed plate, and a positioning rod is fixedly installed on the side of the clamping plate close to the fixed plate. The positioning rod passes through the positioning hole. The clamping plate is parallel to the fixed plate. A baffle is fixedly installed on the end of the positioning rod away from the clamping plate. An elastic member is sleeved on the outer side of the positioning rod, and the elastic member is located between the fixed plate and the clamping plate.

[0012] As a further technical solution of the present invention: the limit assembly includes:

[0013] The top end of the clamping plate is fixedly provided with a fixing plate, and the fixing plate is fixedly provided with a fixing frame on the top end of the clamping plate near the fixing plate. A rotating rod is fixedly provided on the fixing frame, and a rotating tooth is fixedly provided in the middle of the rotating rod. A driving tooth is fixedly provided at two ends of the rotating rod near the moving rod. A first rack is fixedly provided on a side of the moving rod near the rotating rod. The driving tooth is meshed with the first rack. The second rack is fixedly provided on the moving block, and the second rack is meshed with the rotating tooth. A limiting hole is provided in the middle of the top end of the clamping plate, and the second rack passes through the limiting hole.

[0014] As a further technical solution of the present invention: the driving assembly comprises:

[0015] The slide rail is fixedly mounted on the inner wall of the support frame, support rods are fixedly mounted on both ends of the moving block, a slider is fixedly mounted on one end of the support rod extending into the inner side of the slide rail, the slider is concave-convexly connected to the slide rail, a driving rod is installed on the inner side of the slide rail, the driving rod passes through the slider and is threadedly connected to the slider, a driving member is provided at one end of the slide rail, the driving member is fixedly mounted on the support frame, and the output end of the driving member is fixedly connected to one end of the driving rod.

[0016] As a further technical solution of the present invention: the auxiliary component comprises:

[0017] The first telescopic member is fixedly mounted on the outer wall of the support frame, a moving frame is fixedly mounted on the output end of the first telescopic member, the moving frame is located on the inner side of the support frame, a long rod is fixedly mounted in the middle of the moving frame, a moving ring is sleeved on the outer side of the long rod, a second telescopic member is fixedly mounted on the moving frame, the output end of the second telescopic member is fixedly connected to the moving ring, and is used to adjust the position of the moving ring on the outer side of the long rod, an auxiliary plate is provided on the outer side of the long rod, an adjusting component is installed between the auxiliary plate, the long rod and the moving ring, and is used to adjust the distance between the auxiliary plate and the long rod when the moving ring moves on the outer side of the long rod, so that the auxiliary plate contacts the inner wall of the pile.

[0018] As a further technical solution of the present invention: the adjustment component comprises:

[0019] The first articulated seat is fixedly mounted on the bottom side of the movable ring, a connecting rod is mounted on the first articulated seat, a second articulated seat is fixedly mounted on the bottom end of the long rod, a rotating frame is mounted on the second articulated seat, a short rod is mounted in the middle of the rotating frame, one end of the connecting rod is rotatably connected to the first articulated seat, and the other end is rotatably connected to the short rod, the rotating frame is rotatably connected to the second articulated seat, a third articulated seat is fixedly mounted on one end of the rotating frame away from the second articulated seat, and the third articulated seat is fixedly connected to the auxiliary plate.

[0020] As a further technical solution of the present invention: a positioning tooth is fixedly installed on the top of the fixing plate close to the clamping plate, which is used to connect with the first rack to fix the moving rod at the position inside the sliding groove.

[0021] As a further technical solution of the present invention: the anti-slip pad is in the shape of an arc, the edge of the auxiliary plate is in the shape of an arc, and four adjustment components and four auxiliary plates are provided, which are divided into four groups and evenly distributed on the long rod and the movable ring.

[0022] Compared with the prior art, the present invention has the following beneficial effects:

[0023] The present invention provides a vibrating hammer for pile foundation construction, wherein a support frame is fixedly installed at the bottom end of the vibrating hammer body, and the driving component can make the fixing plate and the clamping plate approach the outer wall of the pile foundation, and clamp the outer wall of the pile foundation; during the clamping process, the distance between the fixing plate and the clamping plate can be reduced by the telescopic component, and the limiting component can further contact with the top of the pile foundation, and the pile foundation can be fully limited; after the clamping is completed, the inner wall of the pile foundation can be clamped by the auxiliary component, so as to avoid deformation of the pile foundation during the clamping process, effectively ensure the stability of the pile foundation, and facilitate the operation of the vibrating hammer body. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 It is a structural schematic diagram of the present invention.

[0025] Figure 2 It is a schematic diagram of the structure of the inner side of the support frame in the present invention.

[0026] Figure 3 It is a schematic structural diagram of the fixing plate and the clamping plate on the bottom side of the support frame in the present invention.

[0027] Figure 4 It is a schematic diagram of the structure of the driving component in the present invention.

[0028] Figure 5 It is a schematic diagram of the structure of the limiting component in the present invention.

[0029] Figure 6 It is a schematic diagram of the structure among the telescopic assembly, the fixing plate and the clamping plate in the present invention.

[0030] Figure 7 It is a schematic diagram of the structure of the auxiliary components in the present invention.

[0031] Figure 8 It is a schematic diagram of the structure of the adjustment component and the auxiliary plate in the present invention.

[0032] In the attached drawings: 1-vibration hammer body, 2-support frame, 3-moving block, 4-fixed plate, 5-clamping plate, 6-telescopic component, 61-positioning hole, 62-positioning rod, 63-baffle, 64-elastic member, 7-limiting component, 71-slide groove, 72-moving rod, 73-limiting plate, 74-fixed frame, 75-rotating rod, 76-rotating tooth, 77-driving tooth, 78-first rack, 79-second rack, 70-limiting hole, 8-driving component, 81 -slide rail, 82-support rod, 83-slider, 84-driving rod, 85-driving member, 9-auxiliary component, 91-first telescopic member, 92-moving frame, 93-long rod, 94-moving ring, 95-second telescopic member, 96-auxiliary plate, 97-adjusting component, 971-first articulated seat, 972-connecting rod, 973-second articulated seat, 974-rotating frame, 975-short rod, 976-third articulated seat, 10-anti-slip pad, 11-positioning tooth. DETAILED DESCRIPTION

[0033] In order to make the purpose, technical solution and advantages of the present invention more clearly understood, the present invention is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not intended to limit the present invention.

[0034] The specific implementation of the present invention is described in detail below in conjunction with specific embodiments.

[0035] like Figures 1 to 8As shown in the embodiment provided by the present invention, a vibrating hammer for pile foundation construction includes a vibrating hammer body 1 and a vibrating hammer clamping mechanism, wherein the vibrating hammer clamping mechanism includes:

[0036] A support frame 2 is fixedly mounted on the bottom end of the vibration hammer body 1, a moving block 3 is provided on the inner side of the support frame 2, a fixing plate 4 is fixedly mounted on the bottom end of the fixing plate 4, a clamping plate 5 is provided on the side of the fixing plate 4, an anti-slip pad 10 is installed on the surface of the clamping plate 5, a telescopic component 6 is provided between the fixing plate 4 and the clamping plate 5, for adjusting the distance between the fixing plate 4 and the clamping plate 5, the clamping plate 5 is used to contact with the outer wall of the foundation pile and clamp the outer wall of the foundation pile, a limiting component 7 is installed between the top end of the clamping plate 5 and the fixing plate 4, for limiting the top end of the foundation pile when the distance between the clamping plate 5 and the fixing plate 4 is reduced;

[0037] A driving assembly 8 is installed between the moving block 3 and the support frame 2, which is used to drive the moving block 3 to move its position inside the support frame 2 so that the clamping plate 5 contacts the outer wall of the pile foundation; an auxiliary assembly 9 is provided in the middle of the support frame 2, which is used to contact the inner wall of the pile foundation and clamp the inner wall of the pile foundation.

[0038] In this embodiment, a support frame 2 is fixedly installed at the bottom end of the vibration hammer body 1. The driving component 8 can make the fixing plate 4 and the clamping plate 5 approach the outer wall of the pile and clamp the outer wall of the pile. During the clamping process, the telescopic component 6 can reduce the distance between the fixing plate 4 and the clamping plate 5, further realize the contact between the limiting component 7 and the top of the pile, and fully limit the pile. After the clamping is completed, the inner wall of the pile can be clamped by the auxiliary component 9 to avoid deformation of the pile during the clamping process, effectively ensure the stability of the pile, and facilitate the operation of the vibration hammer body 1; the anti-slip pad 10 is in the shape of an arc, which is convenient for contact with the outer wall of the pile, effectively avoiding the loosening of the pile on the clamping plate 5, and the clamping plate 5, the limiting component 7 and the auxiliary component 9 can effectively clamp the pile to keep the pile stable, so that the vibration hammer can drive the pile to work.

[0039] In one embodiment of the present invention, see Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 and Figure 6 , the telescopic assembly 6 comprises:

[0040] The positioning hole 61 is located on the fixed plate 4, and a positioning rod 62 is fixedly installed on the side of the clamping plate 5 close to the fixed plate 4. The positioning rod 62 passes through the positioning hole 61. The clamping plate 5 is parallel to the fixed plate 4. A baffle 63 is fixedly installed on the end of the positioning rod 62 away from the clamping plate 5. An elastic member 64 is sleeved on the outer side of the positioning rod 62, and the elastic member 64 is located between the fixed plate 4 and the clamping plate 5.

[0041] The limiting assembly 7 comprises:

[0042] The cam 77 is provided with a plurality of teeth on the cam face, and the plurality of teeth on the cam face are provided with a plurality of teeth on the cam face, and the plurality of teeth on the cam face are provided with a plurality of teeth on the cam face.

[0043] The driving assembly 8 comprises:

[0044] The slide rail 81 is fixedly mounted on the inner wall of the support frame 2, and support rods 82 are fixedly mounted at both ends of the moving block 3. A slider 83 is fixedly mounted on one end of the support rod 82 extending into the inner side of the slide rail 81, and the slider 83 is connected with the slide rail 81 in a concave-convex manner. A driving rod 84 is installed on the inner side of the slide rail 81, and the driving rod 84 passes through the slider 83 and is threadedly connected with the slider 83. A driving member 85 is provided at one end of the slide rail 81, and the driving member 85 is fixedly mounted on the support frame 2, and the output end of the driving member 85 is fixedly connected to one end of the driving rod 84.

[0045] In this embodiment, a positioning hole 61 is provided on the fixing plate 4, and a positioning rod 62 is fixedly installed on the clamping plate 5. The fixing plate 4 and the clamping plate 5 are both vertical, and the positioning rod 62 is installed horizontally. The positioning rod 62 passes through the positioning hole 61, which is convenient for changing the distance between the clamping plate 5 and the fixing plate 4, ensuring that the clamping plate 5 and the fixing plate 4 are always in a parallel state. The elastic member 64 can be a spring or rubber, etc. In this embodiment, the elastic member 64 is a spring, and the baffle 63 can effectively prevent the positioning rod 62 from being separated from the positioning hole 61. The telescopic assembly 6 is provided with two groups and is symmetrically installed on the fixing plate 4 and the clamping plate 5, which can effectively ensure the stability of the clamping plate 5 and facilitate the clamping operation of the clamping plate 5 on the outer wall of the foundation pile;

[0046] The top of the clamping plate 5 is provided with a vertical slide groove 71, and the cross-sectional shape of the moving rod 72 is a cross. The moving rod 72 can move along the slide groove 71. A limit plate 73 is fixedly installed on one side of the bottom end of the moving rod 72. The limit plate 73 is convenient for contacting with the top of the foundation pile, which is convenient for limiting the foundation pile. A fixing frame 74 is fixedly installed on one side of the top of the clamping plate 5. The rotating rod 75 is horizontal. Rolling bearings are installed between the two ends of the rotating rod 75 and the fixing frame 74. The rotating rod 75 can be stably rotated on the fixed frame 74. A rotating tooth 76 is fixedly installed in the middle of the rotating rod 75. A second rack 79 is installed on the moving block 3. The second rack 79 is meshed and connected with the rotating tooth 76. A limiting hole 70 is provided at the top of the clamping plate 5 to facilitate the second rack 79 to pass through. When the distance between the clamping plate 5 and the fixed plate 4 is reduced, the second rack 79 can drive the rotating tooth 76 to rotate, further realizing the rotating operation of the rotating rod 75 on the fixed frame 74.

[0047] The first toothed plate 78 is fixedly mounted on the side of the movable rod 72 so that the movable rod 72 can be fixedly mounted on the movable rod 72 when the movable rod 72 is rotated.

[0048] The support frame 2 is provided with a slide rail 81 on the inner wall thereof, and the movable frame 92 is provided with a support rod 82 and a slider 83 on the movable frame. The slider 83 is connected with the slide rail 81 in a concave-convex manner, and the slider 83 can be moved along the slide rail 81 to further realize the position movement of the movable block 3 and the fixed plate 4. The driving rod 84 is a threaded rod in the present embodiment, and the driving rod 84 is provided with two sections of threads with opposite rotation directions. When the driving rod 84 is rotated, it is convenient to drive the two fixed plates 4 to move closer to or away from each other, so as to facilitate the clamping operation. The driving member 85 can be a rotary motor or a stepping motor, etc. In the present embodiment, the driving member 85 is a rotary motor, and the driving member 85 controls the driving rod 84 to rotate through the driving member 85, so as to facilitate the clamping operation of the fixed plate 4 and the clamping plate 5 on the outer wall of the pile, and further realize the limiting operation of the limit assembly 7 on the top of the pile, so as to improve the clamping effect on the pile.

[0049] In one embodiment of the present invention, see Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 7 and Figure 8 , the auxiliary component 9 comprises:

[0050] A first telescopic member 91 is fixedly mounted on the outer wall of the support frame 2, a moving frame 92 is fixedly mounted on the output end of the first telescopic member 91, the moving frame 92 is located on the inner side of the support frame 2, a long rod 93 is fixedly mounted in the middle of the moving frame 92, a moving ring 94 is sleeved on the outer side of the long rod 93, a second telescopic member 95 is fixedly mounted on the moving frame 92, an output end of the second telescopic member 95 is fixedly connected to the moving ring 94, for adjusting the position of the moving ring 94 on the outer side of the long rod 93, an auxiliary plate 96 is provided on the outer side of the long rod 93, an adjusting component 97 is installed between the auxiliary plate 96, the long rod 93 and the moving ring 94, for adjusting the distance between the auxiliary plate 96 and the long rod 93 when the moving ring 94 moves on the outer side of the long rod 93, so that the auxiliary plate 96 contacts the inner wall of the pile.

[0051] The adjustment component 97 includes:

[0052] The first articulated seat 971 is fixedly mounted on the bottom side of the movable ring 94, a connecting rod 972 is mounted on the first articulated seat 971, a second articulated seat 973 is fixedly mounted on the bottom end of the long rod 93, a rotating frame 974 is mounted on the second articulated seat 973, a short rod 975 is mounted in the middle of the rotating frame 974, one end of the connecting rod 972 is rotatably connected to the first articulated seat 971, and the other end is rotatably connected to the short rod 975, the rotating frame 974 is rotatably connected to the second articulated seat 973, a third articulated seat 976 is fixedly mounted on one end of the rotating frame 974 away from the second articulated seat 973, and the third articulated seat 976 is fixedly connected to the auxiliary plate 96.

[0053] In this embodiment, a first telescopic member 91 is fixedly installed on the outside of the support frame 2. The first telescopic member 91 can be a telescopic motor or a cylinder, etc. In this embodiment, the first telescopic member 91 is a telescopic motor. A moving frame 92 is fixedly installed on the output end of the first telescopic member 91. The moving frame 92 is located on the inner side of the support frame 2. The first telescopic member 91 is installed on both ends of the moving frame 92. A vertical long rod 93 is fixedly installed on the bottom side of the middle part of the moving frame 92. A moving ring 94 is sleeved on the outside of the long rod 93. The moving ring 94 can move along the axis of the long rod 93. A second telescopic member 95 is installed between the moving ring 94 and the moving frame 92. , it is convenient to control the movement of the moving ring 94 along the long rod 93 and adjust the position of the moving ring 94 outside the long rod 93. The second telescopic member 95 can be a telescopic motor or a cylinder. In this embodiment, the second telescopic member 95 is a telescopic motor. An auxiliary plate 96 is provided on the outside of the long rod 93. The shape of the edge of the auxiliary plate 96 is an arc shape. An adjustment component 97 is installed between the auxiliary plate 96, the long rod 93 and the moving ring 94 to facilitate the adjustment of the distance between the auxiliary plate 96 and the long rod 93; a first hinge seat 971 is fixedly installed on the bottom side of the moving ring 94, and a second hinge seat 973 is fixedly installed on the side of the bottom end of the long rod 93. The first hinge seat A rolling bearing is installed between 971 and one end of the connecting rod 972, a rolling bearing is installed between the second articulated seat 973 and one end of the rotating frame 974, a short rod 975 is installed between the connecting rod 972 and the rotating frame 974, and a rolling bearing is installed between the other end of the connecting rod 972 and the short rod 975, which is convenient for rotation operation. When the moving ring 94 drives the first articulated seat 971 to move along the long rod 93, it is convenient to drive the rotating frame 974 to rotate with the second articulated seat 973 as the center of the circle, further realizing the distance adjustment between the auxiliary plate 96 and the long rod 93, and the rotating frame 974 is fixedly installed away from one end of the second articulated seat 973. A third hinge seat 976 is provided, and the third hinge seat 976 is fixedly connected to one side of the auxiliary plate 96. The third hinge seat 976 can facilitate the auxiliary plate 96 to fully contact the inner side of the pile, so as to facilitate the clamping operation on the inner wall of the pile. The adjustment assembly 97 and the auxiliary plate 96 are each provided with four, and are divided into four groups and evenly distributed on the long rod 93 and the movable ring 94. By adjusting the position of the movable ring 94 on the long rod 93, the auxiliary plate 96 can be conveniently adapted to piles of different inner diameters. The first telescopic member 91 can be used to adjust the position of the auxiliary plate 96 in the vertical direction, so as to facilitate the clamping operation of the auxiliary plate 96, avoid deformation of the top of the pile, and ensure the stability of the pile.

[0054] The working principle of the present invention is:

[0055] The present invention first controls the driving member 85 to realize that the moving block 3 drives the fixed plate 4 to move along the slide rail 81, so that the clamping plate 5 contacts the outer wall of the top end of the pile. When the fixed plate 4 continues to move, the distance between the clamping plate 5 and the fixed plate 4 is reduced, and the moving rod 72 can drive the limiting plate 73 to move downward through the second rack 79 and the rotating tooth 76, so that the limiting plate 73 contacts the top end of the pile, and the pile is further limited to ensure the clamping effect of the pile. When the clamping of the clamping plate 5 is completed, the positioning tooth 11 is connected with the first rack 78 on the moving rod 72 to fix the position of the limiting plate 73, and the operation is convenient. Then, the first telescopic member 91 and the second telescopic member 95 can be controlled to realize that the auxiliary plate 96 is fully in contact with the inner wall of the pile, so as to realize the clamping operation of the inner wall of the pile, avoid deformation of the top end of the pile, and the operation is convenient. It can effectively ensure the stability of the pile after clamping, and it is convenient for the vibration hammer body 1 to drive the pile to work, which is convenient to use.

[0056] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

[0057] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. A vibrating hammer for pile foundation construction, comprising a vibrating hammer body (1) and a vibrating hammer clamping mechanism, characterized in that: The vibrating hammer clamping mechanism comprises: A support frame (2) is fixedly mounted on the bottom end of the vibration hammer body (1); a moving block (3) is provided on the inner side of the support frame (2); a fixing plate (4) is fixedly mounted on the bottom end of the moving block (3); a clamping plate (5) is provided on the side of the fixing plate (4); a non-slip pad (10) is installed on the surface of the clamping plate (5); a telescopic component (6) is provided between the fixing plate (4) and the clamping plate (5) for adjusting the distance between the fixing plate (4) and the clamping plate (5); the clamping plate (5) is used to contact with the outer wall of the foundation pile to clamp the outer wall of the foundation pile; a limiting component (7) is installed between the top end of the clamping plate (5) and the fixing plate (4) for limiting the top end of the foundation pile when the distance between the clamping plate (5) and the fixing plate (4) is reduced; A driving assembly (8) is installed between the moving block (3) and the support frame (2), and is used to drive the moving block (3) to move inside the support frame (2), so that the clamping plate (5) contacts the outer wall of the foundation pile; an auxiliary assembly (9) is provided in the middle of the support frame (2), and is used to contact the inner wall of the foundation pile and clamp the inner wall of the foundation pile; The telescopic assembly (6) comprises: A positioning hole (61) is located on the fixing plate (4); a positioning rod (62) is fixedly installed on the side of the clamping plate (5) close to the fixing plate (4); the positioning rod (62) passes through the positioning hole (61); the clamping plate (5) is parallel to the fixing plate (4); a baffle (63) is fixedly installed on the end of the positioning rod (62) away from the clamping plate (5); an elastic member (64) is sleeved on the outer side of the positioning rod (62); and the elastic member (64) is located between the fixing plate (4) and the clamping plate (5); The limiting component (7) comprises: The slide groove (71) is located at the top of the fixed plate (4) and is vertical. A moving rod (72) is provided inside the slide groove (71). The moving rod (72) is connected to the slide groove (71) in a concave-convex manner. A limiting plate (73) is fixedly installed at the bottom end of the moving rod (72) away from the fixed plate (4). A fixing frame (74) is fixedly installed at the top of the clamping plate (5) close to the fixed plate (4). A rotating rod (75) is installed on the fixing frame (74). A rotating tooth (76) is fixedly installed in the middle of the rotating rod (75). A driving tooth (77) is fixedly installed at both ends of the rotating rod (75) near the moving rod (72); a first rack (78) is fixedly installed on one side of the moving rod (72) near the rotating rod (75); the driving tooth (77) is meshingly connected with the first rack (78); a second rack (79) is fixedly installed on the moving block (3); the second rack (79) is meshingly connected with the rotating tooth (76); a limiting hole (70) is provided in the middle of the top end of the clamping plate (5); the second rack (79) passes through the limiting hole (70); The driving assembly (8) comprises: The slide rail (81) is fixedly mounted on the inner wall of the support frame (2); support rods (82) are fixedly mounted on both ends of the moving block (3); a slider (83) is fixedly mounted on one end of the support rod (82) extending into the inner side of the slide rail (81); the slider (83) is connected to the slide rail (81) in a concave-convex manner; a driving rod (84) is mounted on the inner side of the slide rail (81); the driving rod (84) passes through the slider (83) and is threadedly connected to the slider (83); a driving member (85) is provided at one end of the slide rail (81); the driving member (85) is fixedly mounted on the support frame (2); and an output end of the driving member (85) is fixedly connected to one end of the driving rod (84); The auxiliary component (9) comprises: A first telescopic member (91) is fixedly mounted on the outer wall of the support frame (2); a moving frame (92) is fixedly mounted on the output end of the first telescopic member (91); the moving frame (92) is located inside the support frame (2); a long rod (93) is fixedly mounted in the middle of the moving frame (92); a moving ring (94) is sleeved on the outside of the long rod (93); a second telescopic member (95) is fixedly mounted on the moving frame (92); an output end of the second telescopic member (95) is fixedly connected to the moving ring (94) for adjusting the position of the moving ring (94) outside the long rod (93); an auxiliary plate (96) is arranged on the outside of the long rod (93); an adjusting assembly (97) is installed between the auxiliary plate (96), the long rod (93) and the moving ring (94) for adjusting the distance between the auxiliary plate (96) and the long rod (93) when the moving ring (94) moves outside the long rod (93), so that the auxiliary plate (96) contacts the inner wall of the pile; The adjustment component (97) comprises: A first hinged seat (971) is fixedly mounted on the bottom side of the movable ring (94); a connecting rod (972) is mounted on the first hinged seat (971); a second hinged seat (973) is fixedly mounted on the bottom end of the long rod (93); a rotating frame (974) is mounted on the second hinged seat (973); a short rod (975) is mounted in the middle of the rotating frame (974); one end of the connecting rod (972) is rotatably connected to the first hinged seat (971), and the other end is rotatably connected to the short rod (975); the rotating frame (974) is rotatably connected to the second hinged seat (973); a third hinged seat (976) is fixedly mounted on one end of the rotating frame (974) away from the second hinged seat (973); and the third hinged seat (976) is fixedly connected to the auxiliary plate (96).

2. The vibratory hammer for pile foundation construction according to claim 1, characterized in that: A positioning tooth (11) is fixedly installed on the top of the fixing plate (4) near the clamping plate (5) and is used to connect with the first rack (78) to fix the moving rod (72) at the position inside the sliding groove (71).

3. The vibratory hammer for pile foundation construction according to claim 2, characterized in that: The anti-slip pad (10) is in the shape of an arc, the edge of the auxiliary plate (96) is in the shape of an arc, and four of the adjustment components (97) and the auxiliary plate (96) are provided and divided into four groups and evenly distributed on the long rod (93) and the movable ring (94).

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