CN218597232U - Drop hammer device for foundation pile high strain detection - Google Patents
Drop hammer device for foundation pile high strain detection Download PDFInfo
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- CN218597232U CN218597232U CN202221559535.9U CN202221559535U CN218597232U CN 218597232 U CN218597232 U CN 218597232U CN 202221559535 U CN202221559535 U CN 202221559535U CN 218597232 U CN218597232 U CN 218597232U
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- connecting rod
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Abstract
The utility model relates to the technical field of building construction, in particular to a drop hammer device for foundation pile high strain detection, which comprises a lifting platform, a connecting rod and a hydraulic cylinder; the horizontal distance from the lifting platform to the pile foundation is equal to the length of the connecting rod; one end of the connecting rod is connected with the drop hammer, and the other end of the connecting rod is hinged on the lifting platform; the hydraulic cylinder is arranged on the lifting platform and above the connecting rod, and the connecting rod of the hydraulic cylinder is detachably connected with the connecting rod. The beneficial effects of the utility model reside in that: when the drop hammer device for detecting the high strain of the foundation pile is used, the height of the lifting platform is adjusted to level the connecting rod; and starting the hydraulic cylinder to drive the connecting rod to rotate, and then, striking the pile foundation by the drop hammer. The event the utility model provides a drop hammer device that foundation pile height strain detection used is coaxial with the pile foundation when having guaranteed drop hammer pile foundation, and the staff's accessible is surveyed the flexible volume of connecting rod or the rotation angle of connecting rod and is recorded the height to the pile foundation before the impact pile foundation of drop hammer, convenient and fast.
Description
Technical Field
The utility model relates to a construction technical field, concretely relates to drop hammer device that high strain of foundation pile detected usefulness.
Background
The high strain detection of current pile foundation generally adopts the promotion free fall mode of hammer that falls to detect, can strike the pile head of building pile foundation when the free fall of hammer that falls, and the potential energy of hammer that falls turns into mechanical energy to thereby gather the integrality and the bearing capacity of signal analysis pile foundation through the sensor, generally install the sensor of gathering signal at the pile body.
In the prior art, a drop hammer is generally hoisted by a crane or an excavator, so that the coaxiality of the drop hammer and a pile foundation to be measured is difficult to ensure, the height from the drop hammer to the pile foundation is difficult to measure, and the height is difficult to ensure to be within a specified range.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the technical problem that will solve is: the drop hammer device for detecting the high strain of the foundation pile ensures the coaxiality of the drop hammer and the pile foundation and facilitates the measurement of the height from the drop hammer to the pile foundation.
In order to solve the technical problem, the utility model discloses a technical scheme be: a drop hammer device for detecting high strain of a foundation pile comprises a lifting platform, a connecting rod and a hydraulic cylinder; the lifting platform is arranged on one side of the pile foundation, and the horizontal distance from the lifting platform to the pile foundation is equal to the length of the connecting rod;
one end of the connecting rod is connected with the drop hammer, and the other end of the connecting rod is hinged to the lifting platform;
the hydraulic cylinder is arranged on the lifting platform and above the connecting rod, and the connecting rod of the hydraulic cylinder is detachably connected with the connecting rod.
Furthermore, the end part of the connecting rod of the hydraulic cylinder is provided with a hinged clamp which is connected with the connecting rod.
Further, the device also comprises a hinged rotating shaft and a dial; the hinge rotating shaft is horizontally and rotatably connected to the lifting platform, the axis of the dial is overlapped with the hinge rotating shaft and is arranged on the lifting platform, and the connecting rod is attached to the dial;
the dial is provided with angle scales.
The opening of the fixed-angle cone barrel is upward, and the diameter of the bottom of the fixed-angle cone barrel is smaller than that of the opening of the fixed-angle cone barrel;
the fixed-angle cone barrel is arranged at the top end of the pile foundation; the diameter of the bottom of the fixed-angle cone barrel is equal to that of the drop hammer.
Furthermore, a cushion pad is arranged on the upper surface of the bottom of the fixed-angle cone barrel.
Furthermore, the side wall of the fixed-angle cone barrel is provided with a abdicating groove of the connecting rod.
The beneficial effects of the utility model reside in that: when the drop hammer device for detecting the high strain of the foundation pile is used, the horizontal position of the lifting platform is adjusted, so that the drop hammer is just at the top of the pile foundation, the height of the lifting platform is adjusted, the connecting rod is horizontal, and the height of the lifting platform is fixed at the moment; the hydraulic cylinder is started to drive the connecting rod to rotate, and after the hydraulic cylinder rotates for a certain angle, the worker releases the connection between the connecting rod and the connecting rod, so that the drop hammer impacts the pile foundation, and high strain detection is completed. The event the utility model provides a high hammer device that meets an emergency and detects usefulness of foundation pile is coaxial with the pile foundation when the levelness before the adjustment connecting rod uses has guaranteed the hammer striking pile foundation that falls, and the staff's accessible is surveyd the flexible volume of connecting rod or the rotation angle of connecting rod and is recorded the height to the pile foundation before the hammer striking pile foundation, convenient and fast.
Drawings
Fig. 1 is a schematic view of an overall structure of a drop hammer device for foundation pile high strain detection according to an embodiment of the present invention;
fig. 2 is a sectional view of the whole structure of a drop hammer device for foundation pile high strain detection according to an embodiment of the present invention;
description of the reference symbols:
1. a lifting platform; 2. a connecting rod; 3. a hydraulic cylinder; 4. a pile foundation; 5. dropping a hammer; 6. a clamp; 7. a hinge shaft; 8. a fixed-angle cone barrel; 9. a yielding groove.
Detailed Description
In order to explain the technical contents, the objects and the effects of the present invention in detail, the following description is made with reference to the accompanying drawings in combination with the embodiments.
Referring to fig. 1-2, an embodiment of the present invention provides a drop hammer device for high strain detection of a foundation pile, including a lifting platform 1, a connecting rod 2 and a hydraulic cylinder 3; the lifting platform 1 is arranged on one side of the pile foundation 4, and the horizontal distance from the lifting platform 1 to the pile foundation 4 is equal to the length of the connecting rod 2;
one end of the connecting rod 2 is connected with the drop hammer 5, and the other end of the connecting rod is hinged on the lifting platform 1;
As can be seen from the above description, the utility model has the advantages that: when the drop hammer device for foundation pile high strain detection is used, the horizontal position of the lifting platform 1 is adjusted, so that the drop hammer 5 is just at the top of the pile foundation 4, the height of the lifting platform 1 is adjusted, the connecting rod 2 is leveled, and the height of the lifting platform 1 is fixed at the moment; the hydraulic cylinder 3 is started to drive the connecting rod 2 to rotate, and after the connecting rod and the connecting rod 2 rotate by a certain angle, a worker releases the connection between the connecting rod and the connecting rod 2, so that the drop hammer 5 impacts the pile foundation 4, and high strain detection is completed. The event the utility model provides a high strain detection of foundation pile is used drops hammer device, and the levelness before adjusting connecting rod 2 uses is coaxial with pile foundation 4 when having guaranteed 5 pile foundations 4 of drop hammer, and the flexible volume of staff's accessible observation connecting rod or connecting rod 2's rotation angle come the height to pile foundation 4 before 5 striking pile foundations 4 of record drop hammer, convenient and fast.
Further, the end of the connecting rod of the hydraulic cylinder 3 is provided with a hinged clamp 6, and the clamp 6 is connected with the connecting rod 2.
As can be seen from the above description, the hydraulic cylinder 3 is detachably connected to the connecting rod 2 by means of a clamp 6.
Further, the device also comprises a hinge rotating shaft 7 and a dial; the hinge rotating shaft 7 is horizontally and rotatably connected to the lifting platform 1, the axis of the dial is overlapped with the hinge rotating shaft 7 and is arranged on the lifting platform 1, and the connecting rod 2 is attached to the dial;
the dial is provided with angle scales.
As can be seen from the above description, the dial can facilitate the staff to record the rotation angle of the connecting rod 2 to push the height of the drop hammer 5 to the pile foundation 4.
Further, the device also comprises a fixed-angle cone barrel 8, wherein the opening of the fixed-angle cone barrel 8 faces upwards, and the diameter of the barrel bottom of the fixed-angle cone barrel 8 is smaller than that of the opening of the fixed-angle cone barrel 8;
the fixed-angle cone barrel 8 is arranged at the top end of the pile foundation 4; the diameter of the bottom of the fixed-angle cone barrel 8 is equal to that of the drop hammer 5.
It can be known from the above description that elevating platform 1 needs height-adjusting to make 5 vertical contact foundation pile tops of drop hammer, at the in-process that elevating platform 1 was increaseed, if drop hammer 5 is not vertical then unable contact fixed angle cone bucket 8's barrel head, whether staff observes drop hammer 5 card and goes into fixed angle cone bucket 8's barrel head at the in-process that elevating platform 1 judges drop hammer 5 vertical.
Furthermore, a cushion pad is arranged on the upper surface of the bottom of the fixed-angle cone barrel 8.
As can be seen from the above description, in the high strain detection, the fixed-angle cone barrel 8 can be arranged without being detached, and the cushion pad is arranged, so that the top end of the pile foundation 4 is prevented from being damaged in the high strain detection.
Furthermore, the side wall of the fixed-angle cone barrel is provided with a yielding groove 9 of the connecting rod 2.
As can be seen from the above description, the relief groove 9 prevents the barrel wall of the fixed-angle cone barrel from interfering with the movement of the connecting rod 2.
This use novel application scene who falls hammer device that provides that high strain detection of foundation pile used does: when the drop hammer 5 needs to be ensured to be coaxial with the pile foundation 4 and the height from the drop hammer 5 to the pile foundation 4 needs to be conveniently observed.
Example one
Referring to fig. 1-2, a drop hammer device for foundation pile high strain detection includes a lifting platform 1, a connecting rod 2 and a hydraulic cylinder 3; the lifting platform 1 is arranged on one side of the pile foundation 4, and the horizontal distance from the lifting platform 1 to the pile foundation 4 is equal to the length of the connecting rod 2;
one end of the connecting rod 2 is connected with the drop hammer 5, and the other end of the connecting rod is hinged on the lifting platform 1;
The connecting rod end of the hydraulic cylinder 3 is provided with a hinged clamp 6, and the clamp 6 is connected with the connecting rod 2.
The drop hammer device for detecting the high strain of the foundation pile further comprises a hinged rotating shaft 7, a dial and a fixed-angle cone barrel 8; the hinge rotating shaft 7 is horizontally and rotatably connected to the lifting platform 1, the axis of the dial is overlapped with the hinge rotating shaft 7 and is arranged on the lifting platform 1, and the connecting rod 2 is attached to the dial;
the dial is provided with angle scales.
The opening of the fixed-angle cone barrel 8 faces upwards, and the diameter of the barrel bottom of the fixed-angle cone barrel 8 is smaller than that of the opening of the fixed-angle cone barrel 8;
the fixed-angle cone barrel 8 is arranged at the top end of the pile foundation 4; the diameter of the bottom of the fixed-angle cone barrel 8 is equal to that of the drop hammer 5. The side wall of the fixed-angle cone barrel is provided with a abdicating groove 9 of the connecting rod 2.
The utility model provides a use and the principle of the hammer device that falls that high strain detection of foundation pile used:
during the time of staff high strain detection, need adjust elevating platform 1 position and height, make drop hammer 5 contact pile foundation 4 top vertically just, in the accommodation process, whether the accessible is observed drop hammer 5 and is gone into the barrel head of deciding angle cone bucket 8 and judge that drop hammer 5 is vertical.
Then the connecting rod 2 is clamped by using the clamp 6, the hydraulic cylinder 3 is started, the drop hammer 5 is lifted upwards, and the height from the drop hammer 5 to the pile foundation 4 can be calculated by observing and calculating through the dial by a worker.
The fixed-angle cone barrel 8 is taken down on the pile foundation 4, the protection structure of the pile foundation 4 is additionally arranged at the top of the pile foundation 4, the contact clamp 6 is connected with the connecting rod 2, the drop hammer 5 is made to fall down, and therefore high strain detection is completed.
The above mentioned is only the embodiment of the present invention, and not the limitation of the patent scope of the present invention, all the equivalent transformations made by the contents of the specification and the drawings, or the direct or indirect application in the related technical field, are included in the patent protection scope of the present invention.
Claims (6)
1. A drop hammer device for foundation pile high strain detection is characterized by comprising a lifting platform, a connecting rod and a hydraulic cylinder; the lifting platform is arranged on one side of the pile foundation, and the horizontal distance from the lifting platform to the pile foundation is equal to the length of the connecting rod;
one end of the connecting rod is connected with the drop hammer, and the other end of the connecting rod is hinged on the lifting platform;
the hydraulic cylinder is arranged on the lifting platform and above the connecting rod, and the connecting rod of the hydraulic cylinder is detachably connected with the connecting rod.
2. The drop hammer device for foundation pile high strain detection according to claim 1, wherein the end of the connecting rod of the hydraulic cylinder is provided with a hinged clamp, and the clamp is connected with the connecting rod.
3. The drop hammer apparatus for foundation pile high strain detection according to claim 1, further comprising a hinge shaft and a dial; the hinge rotating shaft is horizontally and rotatably connected to the lifting platform, the axis of the dial is overlapped with the hinge rotating shaft and is arranged on the lifting platform, and the connecting rod is attached to the dial;
the dial is provided with angle scales.
4. The drop hammer device for foundation pile high-strain detection according to claim 1, further comprising a fixed-angle cone barrel, wherein an opening of the fixed-angle cone barrel faces upward, and a diameter of a barrel bottom of the fixed-angle cone barrel is smaller than that of the opening of the fixed-angle cone barrel;
the fixed-angle cone barrel is arranged at the top end of the pile foundation; the diameter of the bottom of the fixed-angle cone barrel is equal to that of the drop hammer.
5. The drop hammer device for foundation pile high strain detection according to claim 4, wherein a cushion pad is provided on an upper surface of a bottom of the fixed-angle cone.
6. The drop hammer device for foundation pile high-strain detection according to claim 4, wherein a yielding groove of the connecting rod is formed in a side wall of the fixed-angle cone barrel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221559535.9U CN218597232U (en) | 2022-06-21 | 2022-06-21 | Drop hammer device for foundation pile high strain detection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221559535.9U CN218597232U (en) | 2022-06-21 | 2022-06-21 | Drop hammer device for foundation pile high strain detection |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218597232U true CN218597232U (en) | 2023-03-10 |
Family
ID=85395182
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221559535.9U Active CN218597232U (en) | 2022-06-21 | 2022-06-21 | Drop hammer device for foundation pile high strain detection |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218597232U (en) |
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2022
- 2022-06-21 CN CN202221559535.9U patent/CN218597232U/en active Active
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