CN210177551U - Drop hammer height adjusting device for pile foundation high strain detection - Google Patents
Drop hammer height adjusting device for pile foundation high strain detection Download PDFInfo
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- CN210177551U CN210177551U CN201822088382.4U CN201822088382U CN210177551U CN 210177551 U CN210177551 U CN 210177551U CN 201822088382 U CN201822088382 U CN 201822088382U CN 210177551 U CN210177551 U CN 210177551U
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- top end
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Abstract
The utility model discloses a drop hammer height adjusting device for high strain detection of pile foundation, comprising a base plate, the top welding of bottom plate has the fixed column, and opens flutedly on one side outer wall of fixed column, sliding connection has the transmission that the equidistance distributes in the recess, and transmission includes first pulley, and has the mount through the bolt fastening on one side outer wall of first pulley, all weld on the both sides outer wall of mount has the spring, and the one end welding that the mount was kept away from to the spring has the connecting block. The utility model discloses can drive the regulating plate and control under the cooperation of second pulley on the slide rail to make the screw thread post contact with the threaded rod, conveniently drive it and rotate, can drive the threaded rod and rotate, the threaded rod pivoted while rotates with the live-rollers relatively, reciprocates, drives the drop hammer height-adjusting, can fix the threaded rod that removes, has improved its stability when reciprocating.
Description
Technical Field
The utility model relates to a pile foundation height meets an emergency and detects technical field, especially relates to a drop hammer height adjusting device for pile foundation height meets an emergency and detects.
Background
With the increasing building height and the increasing complexity of building structure systems, pile foundations have become one of the most important foundation forms, and the bearing capacity of a single pile is the most important technical index of a foundation pile. At present, the main detection methods of the bearing capacity of the single pile comprise a static load test method and a high strain method.
The basic principle of high strain detection is: the heavy hammer is used for impacting the pile top, so that sufficient relative displacement is generated between pile soils, in order to generate certain relative displacement between the pile soils, larger energy needs to be acted on the pile, the heavy hammer is required to be matched with a certain drop distance to hammer the pile top, but the height of the drop hammer needs to be adjusted when the detection is carried out generally, but the height of the drop hammer cannot be adjusted rapidly according to different requirements by a general adjusting device, and the requirements of people cannot be met.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the shortcoming that exists among the prior art, and the drop hammer height adjusting device who is used for high strain detection of pile foundation who proposes.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a drop hammer height adjusting device for pile foundation high strain detection comprises a bottom plate, wherein a fixed column is welded at the top end of the bottom plate, a groove is formed in one side outer wall of the fixed column, transmission devices which are distributed equidistantly are connected in the groove in a sliding mode, each transmission device comprises a first pulley, a fixed frame is fixed on one side outer wall of each first pulley through a bolt, springs are welded on two side outer walls of the fixed frame, a connecting block is welded at one end, away from the fixed frame, of each spring, a fixing device is arranged on one side outer wall of each connecting block, a connecting hole is formed in the top end of the bottom plate, a threaded rod is connected in the connecting hole in a clearance mode, a drop hammer is bolted at the bottom of the threaded rod, a sliding rail is welded at the top end of the bottom plate, a second pulley is connected to the top of the sliding rail in a sliding mode, an adjusting plate, the welding of motor output shaft's top has the transfer line, and the top welding of transfer line has the driving gear, the welding of the top of regulating plate has the bearing, and the welding has the dead lever, two on the inner wall of bearing the top of dead lever has all welded driven gear, and driven gear meshes with the driving gear mutually, the welding of the top of dead lever has the screw thread post, and screw thread post and threaded rod meshing.
Further, fixing device includes two arcs, and two arcs are all fixed through bolt and connecting block.
Furthermore, the outer wall of one side, opposite to the arc-shaped plates, is welded with the same supporting frame, and the outer wall of one side of the supporting frame is provided with fixing holes.
Furthermore, two the dead lever is located the both sides of transfer line respectively, and the dead lever is located the position department that is close to the arc.
Furthermore, the fixed hole is internally welded with a rotating shaft, and the outer wall of one side of the rotating shaft is fixed with a rotating roller through a bolt.
Further, one side outer wall of the rotating roller is in contact with the threaded pipe.
Furthermore, the top of bottom plate is fixed with electric telescopic handle through the bolt, and electric telescopic handle extension rod's one end and regulating plate pass through the bolt fastening.
Furthermore, the top of bottom plate is fixed with the switch through the bolt, and the switch is connected with motor and electric telescopic handle through the wire.
The utility model has the advantages that:
1. the adjusting plate can be driven to move left and right on the slide rail under the matching of the second pulley through the arrangement of the electric telescopic rod, so that the threaded column is in contact with the threaded rod, the threaded column is conveniently driven to rotate, the threaded rod can be pushed to be more close to the contact of the rotating roller, and the rotation of the threaded column and the rotating roller is convenient to match.
2. The driving gear can be driven to rotate through the motor, so that the driven gear is driven to rotate, the threaded column at the top of the fixing rod is driven to rotate, the threaded rod is driven to rotate while rotating, the threaded rod rotates relative to the rotating roller while rotating, the threaded rod moves up and down, the drop hammer is driven to adjust the height, and the mechanical performance of the device is improved.
3. The threaded rod can be driven to move up and down on the groove in the process of moving up and down through the pulley, the threaded rod is fixed, and the stability of the threaded rod during moving up and down is improved.
Drawings
Fig. 1 is a schematic cross-sectional structural view of a drop hammer height adjusting device for pile foundation height strain detection according to the present invention;
fig. 2 is a schematic structural view of a fixing device of a drop hammer height adjusting device for pile foundation high strain detection according to the present invention;
fig. 3 is the utility model provides a structural schematic is overlooked for high strain detection's of pile foundation drop hammer height adjusting device.
In the figure: the device comprises a base plate 1, fixing columns 2, a groove 3, a transmission device 4, a first pulley 5, a fixing frame 6, a spring 7, a connecting block 8, a fixing device 9, a threaded rod 10, a threaded column 11, a fixing rod 12, a driving gear 13, a motor 14, an electric telescopic rod 15, a sliding rail 16, a second pulley 17, an adjusting plate 18, a drop hammer 19, an arc plate 20 and a rotating roller 21.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
Referring to fig. 1-3, a drop hammer height adjusting device for pile foundation high strain detection comprises a base plate 1, a fixed column 2 is welded at the top end of the base plate 1, a groove 3 is formed in the outer wall of one side of the fixed column 2, transmission devices 4 which are distributed equidistantly are connected in the groove 3 in a sliding mode, each transmission device 4 comprises a first pulley 5, each first pulley 5 and the groove 3 form a sliding fit, each first pulley 5 drives a fixed frame 6, a connecting block 8 and an arc-shaped plate 20 to move upwards along with a threaded rod 10, the outer wall of one side of each first pulley 5 is fixedly provided with the fixed frame 6 through bolts, springs 7 are welded on the outer walls of two sides of the fixed frame 6, the impact force of the threaded column 11 contacting with the threaded rod 10 is buffered through the springs 7, the threaded column is prevented from being damaged, the connecting block 8 is welded at the end of each spring 7, the top end of a bottom plate 1 is provided with a connecting hole, a threaded rod 10 is connected in the connecting hole in a clearance mode, the bottom of the threaded rod 10 is connected with a drop hammer 19 in a bolted mode, the top end of the bottom plate 1 is welded with a sliding rail 16, the top of the sliding rail 16 is connected with a second pulley 17 in a sliding mode, the top of the second pulley 17 is fixed with an adjusting plate 18 through a bolt, the top end of the adjusting plate 18 is fixed with a motor 14 through a bolt, the top of an output shaft of the motor 14 is welded with a transmission rod, the top end of the transmission rod is welded with a driving gear 13, the motor 14 drives the driving gear 13 to rotate so as to drive a driven gear to rotate, a threaded column 11 at the top of a fixed rod 12 is driven to rotate, the top of the adjusting plate 18 is welded with a bearing, fixed rods 12 are welded, and the threaded column 11 is meshed with the threaded rod 10 to drive the threaded rod 10 to rotate, and the threaded rod 10 rotates relative to the rotating roller 21 at the same time of rotating, so that the threaded rod 10 rotates upwards.
The utility model discloses in, fixing device 9 includes two arcs 20, and two arcs 20 are all fixed with connecting block 8 through the bolt, and the welding has same support frame on the outer wall of one side that two arcs 20 are relative, and all opens on one side outer wall of support frame and have the fixed orifices, and two dead levers 12 are located the both sides of transfer line respectively, and dead lever 12 is located the position department that is close to arc 20.
The welding has the pivot in the fixed orifices, and be equipped with live-rollers 21 through the bolt fastening on the outer wall of one side of pivot, one side outer wall and the screwed pipe 10 of live-rollers 21 contact, there is electric telescopic handle 15 on the top of bottom plate 1 through the bolt fastening, drive regulating plate 18 through electric telescopic handle 15 and remove to the direction that is close to threaded rod 10 on slide rail 16 under the cooperation of second pulley 17, and the one end of electric telescopic handle 15 extension rod and regulating plate 18 pass through the bolt fastening, there is the switch on the top of bottom plate 1 through the bolt fastening, and the switch is connected with motor 14 and electric telescopic handle 15 through the wire.
The working principle is as follows: when the height needs to be adjusted, the adjusting plate 18 is driven by the electric telescopic rod 15 to move on the slide rail 16 in the direction close to the threaded rod 10 under the cooperation of the second pulley 17 until the threaded column 11 is contacted with the threaded rod 10, so that the threaded rod 10 is contacted with the rotating roller 21 more tightly, and is convenient to rotate in cooperation with the threaded rod, the impact force of the contact between the threaded column 11 and the threaded rod 10 is buffered by the spring 7 in the moving process, so as to prevent the threaded rod from being damaged, the driving gear 13 is driven by the motor 14 to rotate, so as to drive the driven gear to rotate, the threaded column 11 at the top of the fixed rod 12 is driven to rotate, the threaded rod 10 is driven to rotate while rotating, the threaded rod 10 rotates relative to the rotating roller 21 while rotating, so that the threaded rod 10 rotates upwards, meanwhile, the first pulley 5 drives the fixing frame 6, the connecting block 8 and, when the height is adjusted to a proper value, the electric telescopic rod 15 drives the threaded column 11 to move in the direction away from the threaded rod 10, the threaded column is separated from the contact with the threaded rod 10, and the drop hammer 19 falls downwards under the action of gravity to perform detection.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (8)
1. A drop hammer height adjusting device for pile foundation high strain detection comprises a base plate (1) and is characterized in that a fixed column (2) is welded at the top end of the base plate (1), a groove (3) is formed in the outer wall of one side of the fixed column (2), transmission devices (4) which are distributed equidistantly are connected in the groove (3) in a sliding mode, each transmission device (4) comprises a first pulley (5), the first pulleys (5) and the groove (3) form a sliding fit, a fixing frame (6) is fixed on the outer wall of one side of each first pulley (5) through bolts, springs (7) are welded on the outer walls of the two sides of each fixing frame (6), a connecting block (8) is welded at one end, far away from the fixing frame (6), of each spring (7), a fixing device (9) is arranged on the outer wall of one side of each connecting block (8), a connecting hole is formed in the top end of the, and a threaded rod (10) is connected with the gap in the connecting hole, a drop hammer (19) is bolted at the bottom of the threaded rod (10), a sliding rail (16) is welded at the top end of the bottom plate (1), a second pulley (17) is slidably connected at the top end of the sliding rail (16), an adjusting plate (18) is fixed at the top end of the second pulley (17) through bolts, a motor (14) is fixed at the top end of the adjusting plate (18) through bolts, a transmission rod is welded at the top end of an output shaft of the motor (14), a driving gear (13) is welded at the top end of the transmission rod, a bearing is welded at the top end of the adjusting plate (18), fixing rods (12) are welded on the inner wall of the bearing, driven gears are welded at the top ends of the two fixing rods (12) and are meshed with the driving gear (13), a, and the threaded stud (11) engages with the threaded rod (10).
2. The drop hammer height adjusting device for detecting the high strain of the pile foundation is characterized in that the fixing device (9) comprises two arc-shaped plates (20), and the two arc-shaped plates (20) are fixed with the connecting block (8) through bolts.
3. The drop hammer height adjusting device for detecting the high strain of the pile foundation according to claim 2, wherein the same supporting frame is welded on the outer wall of one side of the two arc plates (20) opposite to each other, and fixing holes are formed in the outer wall of one side of the supporting frame.
4. The drop hammer height adjusting device for pile foundation high strain detection according to claim 1, wherein two fixing rods (12) are respectively located at two sides of the transmission rod, and the fixing rods (12) are located at positions close to the arc-shaped plates (20).
5. The drop hammer height adjusting device for pile foundation high strain detection according to claim 3, wherein a rotating shaft is welded in the fixing hole, and a rotating roller (21) is fixed on one side outer wall of the rotating shaft through a bolt.
6. The drop hammer height adjusting device for high strain detection of pile foundation according to claim 5, wherein one side outer wall of the rotating roller 21 is in contact with the threaded pipe (10).
7. The drop hammer height adjusting device for pile foundation high strain detection according to claim 1, wherein the top end of the bottom plate (1) is fixed with an electric telescopic rod (15) through a bolt, and one end of an extension rod of the electric telescopic rod (15) is fixed with the adjusting plate (18) through a bolt.
8. The drop hammer height adjusting device for pile foundation high strain detection according to claim 1, wherein a switch is fixed at the top end of the bottom plate (1) through a bolt, and the switch is connected with the motor (14) and the electric telescopic rod (15) through wires.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822088382.4U CN210177551U (en) | 2018-12-13 | 2018-12-13 | Drop hammer height adjusting device for pile foundation high strain detection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822088382.4U CN210177551U (en) | 2018-12-13 | 2018-12-13 | Drop hammer height adjusting device for pile foundation high strain detection |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210177551U true CN210177551U (en) | 2020-03-24 |
Family
ID=69828412
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822088382.4U Active CN210177551U (en) | 2018-12-13 | 2018-12-13 | Drop hammer height adjusting device for pile foundation high strain detection |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210177551U (en) |
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2018
- 2018-12-13 CN CN201822088382.4U patent/CN210177551U/en active Active
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