CN215105549U - Pile foundation resistance to plucking performance detection device - Google Patents
Pile foundation resistance to plucking performance detection device Download PDFInfo
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- CN215105549U CN215105549U CN202023128192.4U CN202023128192U CN215105549U CN 215105549 U CN215105549 U CN 215105549U CN 202023128192 U CN202023128192 U CN 202023128192U CN 215105549 U CN215105549 U CN 215105549U
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Abstract
The utility model relates to a pile foundation resistance to plucking performance detection device, including supporting component, application of force subassembly, centre gripping subassembly and determine module. The supporting component comprises a supporting frame, a hydraulic foot seat and a platform, the platform is connected with the supporting frame through four horizontal cross rods, and the hydraulic foot seat is arranged at the bottom of the supporting frame. The force application assembly comprises a jack and a top plate, the jack is located on the platform and is abutted to the platform, and the top plate is connected with the top of the jack. The clamping assembly comprises a shell, an electric push rod and a clamp, the shell is connected with the top plate through a connecting rod, a cavity is formed in the shell, the electric push rod and the clamp are located in the cavity, a clamping hole is formed in the middle of the shell, the clamp is located at the edge of the clamping hole, one end of the electric push rod is connected with the inner wall of the shell, and the other end of the electric push rod is connected with the clamp. The detection assembly comprises a pressure sensor and a display screen, the pressure sensor is located between the jack and the top plate, the display screen is located at the top of the support frame and connected with the support frame, and the pressure sensor is electrically connected with the display screen.
Description
Technical Field
The utility model relates to a detection device field especially relates to a pile foundation resistance to plucking performance detection device.
Background
The pile foundation is a foundation structure for bearing buildings in the current engineering construction, and is mainly divided into a precast pile and a cast-in-place pile. The pile foundation uplift resistance detection is one of important indexes of engineering acceptance.
When the existing pile foundation uplift detection device is used for detecting, a platform bearing a jack is difficult to adjust to be horizontal, so that the jacking direction of the jack is difficult to keep vertical, the stress of a pressure sensor is uneven, detected data have errors, and the stability of clamping is not good enough when the pile foundation is clamped.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a pile foundation resistance to plucking performance detection device to solve the problem mentioned in the above-mentioned background art.
The technical scheme of the utility model is a pile foundation resistance to plucking performance detection device, including supporting component, application of force subassembly, centre gripping subassembly and detection component;
the supporting assembly comprises a supporting frame, a hydraulic foot seat and a platform, the platform is positioned in the supporting frame and is connected with the supporting frame through four horizontal cross rods, and the hydraulic foot seat is arranged at the bottom of the supporting frame;
the force application assembly comprises a jack and a top plate, the jack is located on the platform and is abutted against the platform, and the top plate is connected with the top of the jack;
the clamping assembly comprises a shell, an electric push rod and a clamp, the shell is connected with the top plate through a connecting rod, a cavity is formed in the shell, the electric push rod and the clamp are located in the cavity, a clamping hole is formed in the middle of the shell, the clamp is located at the edge of the clamping hole, one end of the electric push rod is connected with the inner wall of the shell, and the other end of the electric push rod is connected with the clamp;
the detection assembly comprises a pressure sensor and a display screen, the pressure sensor is located between the jack and the top plate, the display screen is located at the top of the support frame and connected with the support frame, and the pressure sensor is electrically connected with the display screen.
In one embodiment, a level is disposed on the top plate.
In one embodiment, the number of the clamps is four, and the four electric push rods are respectively connected with the four clamps in a one-to-one correspondence manner.
In one embodiment, the side of the clamp, which faces away from the electric push rod, is provided with an anti-slip layer.
In one embodiment, the clamp projects at least partially outside the clamping hole.
In one embodiment, the clamp is configured in a circular arc.
In one embodiment, the platform is located at the center of the cross section of the support frame.
In one embodiment, the jack is located at the very center of the platform.
The utility model provides a beneficial effect is:
1. the hydraulic foot seats are arranged at the bottoms of the supporting frames, so that the height of the supporting frames can be adjusted by adjusting the hydraulic foot seats, the platform on the supporting frames can be leveled during detection, the pile foundation can be vertically lifted by the jack on the platform, and the detected data are accurate.
2. The electric push rod is arranged in the shell to push the clamp, so that the foundation pile needs to stretch into the shell and be kept horizontal with the top of the shell, the foundation pile can be pulled up in the vertical direction, and the clamp pushed by the electric push rod can be used for stably clamping the foundation pile.
Drawings
Fig. 1 is a structural schematic diagram of a pile foundation uplift resistance detection device in one direction in an embodiment;
fig. 2 is a schematic cross-sectional view of a housing in one direction according to an embodiment.
Detailed Description
It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict. The following will combine the drawings of the embodiments of the present invention to further describe the technical solution of the present invention, and the present invention is not limited to the following specific embodiments.
It should be understood that the same or similar reference numerals in the drawings of the embodiments correspond to the same or similar parts. In the description of the present invention, it should be understood that if there are terms such as "upper", "lower", "front", "rear", "left", "right", "top", "bottom", etc., indicating orientations or positional relationships based on the orientations or positional relationships shown in the drawings, the description is merely for convenience of description and simplicity of description, but does not indicate or imply that the equipment or components referred to must have specific orientations, be constructed in specific orientations, and be operated, and therefore, the terms describing the positional relationships in the drawings are only used for illustrative purposes and are not to be construed as limitations of the present patent, and those skilled in the art will understand the specific meanings of the terms according to specific situations.
As shown in fig. 1, in one embodiment, a pile resistance to plucking performance testing apparatus 10 includes a supporting assembly, a force application assembly, a clamping assembly, and a testing assembly.
In one embodiment, the support assembly includes a support frame 100, a hydraulic foot seat 101 and a platform 102, the platform 102 is located in the support frame 100 and is connected to the support frame 100 through four horizontal cross bars, and the hydraulic foot seat 101 is disposed at the bottom of the support frame 100. Specifically, there are four hydraulic foot seats 101, and four hydraulic foot seats 101 are respectively connected with four corners of the bottom of the supporting frame 100, and the height of the four corners of the supporting frame 100 can be adjusted by the hydraulic foot seats 101, so that the platform 102 can reach a horizontal position during detection.
In one embodiment, the force application assembly includes a jack 200 and a top plate 201, the jack 200 is located on the platform 102 and abuts the platform 102, and the top plate 201 is connected to the top of the jack 200. Specifically, the platform 102 is used for supporting the jack 200, and the top plate 201 is used for connecting the clamping assembly and is jacked up by the jack 200.
As shown in fig. 2, in one embodiment, the clamping assembly includes a housing 300, an electric push rod 301 and a clamp 302, the housing 300 is connected to the top plate 201 through a connecting rod 501, a cavity 303 is formed inside the housing 300, the electric push rod 301 and the clamp 302 are located in the cavity 303, a clamping hole 304 is formed in the middle of the housing 300, the clamp 302 is located at an edge of the clamping hole 304, one end of the electric push rod 301 is connected to an inner wall of the housing 300, and the other end of the electric push rod 301 is connected to the clamp 302. Specifically, the clamping holes 304 are communicated with the cavity 303, the number of the electric push rods 301 and the number of the clamps 302 are respectively multiple, each electric push rod 301 is connected with one clamp 302, the two clamps 302 are oppositely arranged, and the electric push rods 301 are driven to move towards each other or move towards opposite directions. The electric push rod 301 is arranged in the housing 300 and used for pushing the clamp 302 to move, and the clamp 302 is arranged at the edge of the clamping hole 304 and used for clamping a pile foundation extending into the housing 300 from the clamping hole 304.
In one embodiment, the detection assembly includes a pressure sensor 400 and a display screen 401, the pressure sensor 400 is located between the jack 200 and the top plate 201, the display screen 401 is located on the top of the support frame 100 and is connected to the support frame 100, and the pressure sensor 400 is electrically connected to the display screen 401. Specifically, during detection, the pressure sensor 400 measures the force of the jack 200 when it is pushed against the pile foundation, and then the measured data is processed and displayed on the display screen 401.
In order to detect whether the pile pulling resistance detection device 10 is in a horizontal position or not during detection, in one embodiment, a level 502 is disposed on the top plate 201. The level gauge 502 is used for detecting whether the top plate 201 is in a horizontal position, and when the level gauge 502 detects that the top plate 201 is not in the horizontal position, the hydraulic foot base 101 can be adjusted to reach the horizontal position. The level gauge 502 thus arranged can check whether the pile resistance detection device 10 is in a horizontal position before checking.
In order to clamp the pile foundation more stably, in one embodiment, there are four clamps 302, and there are four electric push rods 301, and the four electric push rods 301 are respectively connected to the four clamps 302 in a one-to-one correspondence manner. Specifically, the four clamps 302 are distributed on four surfaces of the clamping hole 304, and when the four electric push rods 301 respectively push the corresponding four clamps 302, the four clamps 302 can clamp the pile foundation from four different surfaces, so that the pile foundation is clamped more stably.
In order to prevent the phenomenon of slipping or loosening between the clamp 302 and the pile foundation when the pile foundation is detected, in one embodiment, an anti-slip layer is arranged on the surface of the clamp 302, which faces away from the electric push rod 301. The material of skid resistant course is skid resistant rubber, just skid resistant rubber's non-slip surface is provided with the strip burr, the strip burr multiplicable on the anchor clamps 302 the roughness of skid resistant course, thereby increase frictional force between anchor clamps 302 and the pile foundation makes anchor clamps 302 can more firmly centre gripping pile foundation.
As shown in fig. 2, in order to increase the clamping area of the clamp 302 for clamping the pile foundation, so that the clamping is more secure, in one embodiment, the clamp 302 at least partially protrudes outside the clamping hole 304. The clamp 302 arranged in this way has larger contact area when clamping a pile foundation, and the clamping can be more stable.
In order to match the shape of the pile foundation and thereby more securely hold the pile foundation, in one embodiment the clamp 302 is configured in the shape of a circular arc. The arc-shaped clamp 302 can be matched with the appearance of a pile foundation, so that the contact area between the clamp 302 and the pile foundation is increased, and the clamp 302 can clamp the pile foundation more stably.
In order to keep the jack 200 in the middle of the support frame 100 and keep it balanced, in one embodiment, the platform 102 is located at the center of the cross section of the support frame 100. The platform 102 is arranged in such a way that the jack 200 on the platform 102 can be located at the middle position of the support frame 100, and when the pile foundation is pulled up, the jack 200 can be kept in the horizontal position to pull up the pile foundation vertically and upwards.
In order to enable the jack 200 to apply force uniformly to test the uplift resistance of the pile foundation, in one embodiment, the jack 200 is located at the center of the platform 102. The jack 200 arranged in this way can jack up the pile foundation with equal force of each force application point when the pile foundation is pulled up, so that the measured data is more accurate.
In order to make the clamp 302 clamp more stably, in one embodiment, a hydraulic push rod is arranged in the housing 300, one end of the hydraulic push rod is connected with the inner wall of the housing 300, the other end of the hydraulic push rod is connected with the clamp 302, and the hydraulic push rod uses the pressure of liquid to push the clamp 302 to clamp the pile foundation, so that the pile foundation is clamped very stably.
In order to enable the clamp 302 to clamp the pile foundation in a proper position, in one embodiment, a lead screw is disposed in the connecting rod 501, a motor is disposed on the top plate 201, the motor is drivingly connected to the lead screw, the housing 300 is provided with a threaded through hole, and the lead screw passes through the threaded through hole and is connected to the housing 300. By means of the arrangement, the position height of the shell 300 relative to the pile foundation can be adjusted, so that the clamp 302 on the shell 300 can clamp the pile foundation in a proper position to detect the uplift resistance.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.
Claims (8)
1. The device for detecting the uplift resistance of the pile foundation is characterized by comprising a supporting assembly, a force application assembly, a clamping assembly and a detection assembly;
the supporting assembly comprises a supporting frame, a hydraulic foot seat and a platform, the platform is positioned in the supporting frame and is connected with the supporting frame through four horizontal cross rods, and the hydraulic foot seat is arranged at the bottom of the supporting frame;
the force application assembly comprises a jack and a top plate, the jack is located on the platform and is abutted against the platform, and the top plate is connected with the top of the jack;
the clamping assembly comprises a shell, an electric push rod and a clamp, the shell is connected with the top plate through a connecting rod, a cavity is formed in the shell, the electric push rod and the clamp are located in the cavity, a clamping hole is formed in the middle of the shell, the clamp is located at the edge of the clamping hole, one end of the electric push rod is connected with the inner wall of the shell, and the other end of the electric push rod is connected with the clamp;
the detection assembly comprises a pressure sensor and a display screen, the pressure sensor is positioned between the jack and the top plate, the display screen is positioned at the top of the support frame and connected with the support frame, and the pressure sensor is electrically connected with the display screen;
the connecting rod is internally provided with a screw rod, the top plate is provided with a motor, the motor is in driving connection with the screw rod, the shell is provided with a threaded through hole, and the screw rod penetrates through the threaded through hole to be connected with the shell.
2. The device for detecting the uplift resistance of the pile foundation according to claim 1, wherein a level gauge is arranged on the top plate.
3. The device for detecting the uplift resistance of the pile foundation according to claim 1, wherein the number of the clamps is four, and the number of the electric push rods is four, and the four electric push rods are respectively connected with the four clamps in a one-to-one correspondence manner.
4. The device for detecting the uplift resistance of the pile foundation according to claim 1, wherein an anti-slip layer is arranged on one surface of the clamp, which faces away from the electric push rod.
5. The device for detecting the uplift resistance of the pile foundation according to claim 1, wherein the clamp at least partially protrudes out of the clamping hole.
6. The device for detecting the uplift resistance of the pile foundation according to claim 1, wherein the clamp is arranged in a circular arc shape.
7. The device for detecting the uplift resistance of the pile foundation according to claim 1, wherein the platform is positioned at the center of the cross section of the support frame.
8. The device for detecting the uplift resistance of the pile foundation according to claim 1, wherein the jack is positioned at the center of the platform.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023128192.4U CN215105549U (en) | 2020-12-22 | 2020-12-22 | Pile foundation resistance to plucking performance detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023128192.4U CN215105549U (en) | 2020-12-22 | 2020-12-22 | Pile foundation resistance to plucking performance detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215105549U true CN215105549U (en) | 2021-12-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023128192.4U Active CN215105549U (en) | 2020-12-22 | 2020-12-22 | Pile foundation resistance to plucking performance detection device |
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| CN (1) | CN215105549U (en) |
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- 2020-12-22 CN CN202023128192.4U patent/CN215105549U/en active Active
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