CN219118249U - Pile-soil interaction test device - Google Patents
Pile-soil interaction test device Download PDFInfo
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- CN219118249U CN219118249U CN202222795471.9U CN202222795471U CN219118249U CN 219118249 U CN219118249 U CN 219118249U CN 202222795471 U CN202222795471 U CN 202222795471U CN 219118249 U CN219118249 U CN 219118249U
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Abstract
The utility model provides a pile soil interaction test device which comprises a support assembly, a test assembly and a lifting assembly, wherein the support assembly comprises a base, a transverse plate positioned above the base and a support column for connecting and fixing the base and the transverse plate; the test assembly comprises a containing box filled with soil, a plurality of springs positioned between the lower bottom surface of the containing box and the upper surface of the base, a mould pile with the bottom end vertically extending into the containing box and extrusion pieces positioned on four sides of the containing box and opposite to each other, wherein the extrusion pieces extend into the containing box and are transversely connected to the support assembly through automatic push rods; the lifting component comprises an air cylinder, a vertical hydraulic rod and a connecting plate, wherein the air cylinder is penetratingly fixed on the transverse plate, the upper end of the vertical hydraulic rod is connected with the air cylinder, the upper surface of the connecting plate is connected with the lower end of the hydraulic rod, and the lower surface of the connecting plate is fixed on the top end of the mould pile. The technical scheme can test in multiple directions simultaneously, is not only beneficial to testing the reliability of the simulation actual condition, but also effectively improves the accuracy of data and the testing efficiency.
Description
Technical Field
The utility model relates to the technical field of pile-soil interaction tests, in particular to a pile-soil interaction test device capable of performing multi-directional simultaneous tests.
Background
Pile foundation is a deep foundation formed by piles and pile caps connected with the tops of the piles or a single pile foundation connected with the piles by the piles, and is called pile foundation for short. If the pile body is buried in the soil, the bottom surface of the bearing platform contacts with the soil body, the pile body is called a low bearing platform pile foundation, and the pile body is widely applied to foundation engineering such as high-rise buildings, railway bridges, nuclear power stations, large-scale power machine foundations, wharfs, ocean platforms and the like, and pile-soil interaction tests are generally required to ensure the stability of the building.
The existing test device is very widely applied and has the advantage of convenient use, most of the existing test devices in the current market can only perform unidirectional test, but a plurality of forces act simultaneously in multiple directions in practical application, so that the test device is greatly different from the existing test conditions, certain deviation exists in test data, and the test needs to be repeated for many times, so that the problems of large workload and low test efficiency are brought to testers, and social requirements are difficult to meet. Therefore, the utility model provides a pile-soil interaction test device to solve the problems.
Disclosure of Invention
The utility model aims to provide a pile-soil interaction test device, which can effectively solve the technical problems that most of test devices in the current market can only test in one direction, and further, repeated tests are needed to meet the requirements of actual conditions, so that the workload of testers is large and the test efficiency is low.
In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:
the pile-soil interaction test device comprises a support assembly, a test assembly and a lifting assembly, wherein the support assembly comprises a base, a transverse plate positioned above the base and a support column for connecting and fixing the base and the transverse plate; the test assembly comprises a containing box filled with soil, a plurality of springs positioned between the lower bottom surface of the containing box and the upper surface of the base, a mould pile with the bottom end vertically extending into the containing box and extrusion pieces positioned on four sides of the containing box and opposite to each other, wherein the extrusion pieces extend into the containing box and are transversely connected to the support assembly through automatic push rods; the lifting assembly comprises an air cylinder, a vertical hydraulic rod and a connecting plate, wherein the air cylinder is penetratingly fixed on the transverse plate, the upper end of the vertical hydraulic rod is connected with the air cylinder, the upper surface of the connecting plate is connected with the lower end of the hydraulic rod, and the lower surface of the connecting plate is fixed on the top end of the mould pile.
Further, the device also comprises a limiting component; the limiting assembly comprises a vertical sliding rod, a transverse limiting rod and a sliding cylinder, the sliding cylinder is connected to the bottom of the transverse plate, and the mold pile extends out of the bottom of the sliding cylinder; opposite ends of the connecting plate extend out of the sliding cylinder and are respectively connected with the limiting rod; the end parts of the limiting rods are correspondingly connected to the sliding rods in a sliding mode respectively, and a first sliding opening for the connecting plates to move up and down is formed in the side wall of the sliding cylinder.
Further, the sliding rods are respectively arranged in the supporting columns at the corresponding sides, and a second sliding opening for the limiting rod to move up and down is formed in one side of the supporting column facing the sliding cylinder.
Further, through holes are formed in the end portions of the limiting rods, and the sliding rods penetrate through the corresponding end portions of the limiting rods respectively through the through holes; the top and the bottom of the sliding rod are fixedly connected with the inner top wall and the inner bottom wall of the supporting column respectively.
Further, the extrusion parts are divided into extrusion blocks positioned at the left side and the right side of the accommodating box and clamping plates positioned at the front side and the rear side of the accommodating box, and the automatic push rod is divided into an electric push rod and a pneumatic push rod; the extrusion block is connected with the electric push rod, and the clamping plate is connected with the pneumatic push rod.
Further, the supporting component further comprises supporting frames positioned at the front side and the rear side of the accommodating box, and two supporting columns are positioned at the left side and the right side of the accommodating box; the electric push rod is fixed on the support column, and the pneumatic push rod is fixed on the support frame.
Further, a bearing table is arranged on the base, the springs are installed in the bearing table, and the accommodating box is arranged on the bearing table.
Further, the number of the springs is not less than ten.
According to the technical scheme, the bottom end of the mould pile is arranged in the accommodating box in advance, the preliminary test is carried out through the reverse acting force of the spring at the bottom of the accommodating box, and the extrusion parts are arranged in the front, back, left and right directions of the accommodating box, so that multidirectional force application can be carried out on soil in the accommodating box at the same time, a multidirectional test result is achieved, the reliability of test simulation actual conditions is facilitated, and the accuracy of data and the test efficiency are effectively improved.
Drawings
Fig. 1 is a schematic structural view of the present utility model.
Fig. 2 is a cross-sectional view of the present utility model.
Fig. 3 is a schematic structural view of the lifting assembly of the present utility model.
Fig. 4 is a schematic installation diagram of the clamping plate and the pneumatic push rod of the present utility model.
Detailed Description
The utility model is further described below with reference to the accompanying drawings.
Reference is made to the accompanying drawings. The embodiment comprises a supporting component 1, a testing component 2, a lifting component 3 and a limiting component 4. The support assembly 1 comprises a base 100, a transverse plate 101 positioned above the base 100, and a support column 102 and a support frame 103 for connecting and fixing the base 100 and the transverse plate 101. The support column 102 is two, is located the left and right sides, and the carriage 103 is located the front and back both sides, and support column 102 is connected with carriage 103 to make the inside space of supporting component 1 can be used for installing lifting component 3, test component 2 and spacing subassembly 4.
The test assembly 2 includes a holding box 200 with soil therein, a bearing table 201, springs 202, mold piles 203, and pressing members provided on four sides of the holding box 200. The bearing table 201 is horizontally and fixedly installed on the top surface of the base 100, the number of springs 202 is not less than ten, the accommodating box 200 is arranged in the center of the bearing table 201, and the area of the bearing table 201 is larger than that of the accommodating box 200. The mold pile 203 is located at the top of the receiving box 200 and the bottom end is vertically extended into the soil body so that a preliminary test can be performed by the reaction force of the spring 202 after the application of the force. The pressing members are divided into pressing blocks 204 located at the left and right sides of the housing box 200 and clamping plates 205 located at the front and rear sides of the housing box 200. The two extrusion blocks 204 are equal in size and opposite in direction, one end of each extrusion block 204 extends into the soil body through a hole formed in the accommodating box 200, and the other end of each extrusion block is fixedly connected with the support column 102 on the corresponding side through a transverse electric push rod 206. The clamping plates 205 are also equal in size and opposite in direction, and the clamping plates 205 extend into the soil in the same way and are fixedly connected with the corresponding side of the support frame 103 by connecting the transverse pneumatic push rods 207. Therefore, the test device of the embodiment can drive the extrusion block 204 to test the left side and the right side of the accommodating box 200 through the electric push rod 206, and drive the clamping plate 205 to test the front side and the rear side of the accommodating box 200 through the pneumatic push rod 207.
The lifting assembly 3 comprises a cylinder 300, a hydraulic rod 301 and a connecting plate 302. The cylinder 300 is penetratingly fixed to the cross plate 101 above the housing box 200, and serves to support the hydraulic rod 301. The hydraulic rod 301 is vertically arranged, and the upper end of the hydraulic rod is connected with the upper surface of the connecting plate 302, and the lower end of the cylinder 300. The lower surface of the connection plate 302 fixes the top end of the mold pile 203. Therefore, the cylinder 300 can drive the hydraulic rod 301 to move up and down, so as to drive the connecting plate 302 to move up and down, and further drive the die pile 203 to lift.
The limit assembly 4 comprises a vertical slide bar 400, a transverse limit bar 401 and a slide cylinder 402. Wherein, the slide tube 402 is connected to the bottom of the transverse plate 101, the hydraulic rod 301 is sleeved in the slide tube 402, the mold piles 203 extend out of the bottom of the slide tube 402, and the left and right ends of the connecting plate 302 extend out of the slide tube 402. The number of the sliding rods 400 is two, the sliding rods 400 are respectively and correspondingly arranged in the supporting columns 102, and the top and the bottom of the sliding rods 400 are respectively and fixedly connected with the inner top wall and the inner bottom wall of the supporting columns 102. One end of each of the two limiting rods 401 is connected with the left end and the right end of the connecting plate 302, the other end is connected with the sliding rod 400 on the corresponding side in a sliding manner, and the supporting column 102 is provided with a second sliding opening 1020 with a longitudinal opening for the limiting rods 401. Specifically, in this embodiment, a through hole is provided at an end of the stop lever 401, and the slide bar 400 penetrates through the stop lever 401 through the through hole, thereby realizing connection. The two side walls of the slide cylinder 402 are also provided with a first slide opening for lifting and moving the connecting plate 302. Therefore, the slide cylinder 402 can limit the connecting plate 302, so that the connecting plate 302 can only slide in the slide cylinder 402, and the test failure caused by shaking of the connecting plate 302 is prevented. Meanwhile, the limiting rod 401 can limit the connecting plate 302, so that the connecting plate 302 can be kept stable in the moving process.
This stake soil interaction test device, at first cylinder 300 starts, and hydraulic stem 301 can extend down at this moment and drive connecting plate 302 and remove downwards in slide 402 outside, and the connecting plate 302 of moving can drive mould stake 203 and extrude downwards, carries out preliminary test through reset spring 202's reaction force, then two electric putter 206 can remove to relative direction, drives extrusion piece 204 and tests the left and right sides of holding box 200, and two last pneumatic putter 207 remove to relative direction and make grip block 205 test the front and back of holding box 200, and the multi-angle test has not only accelerated test speed and has improved test data's accuracy.
It should be noted that the foregoing describes embodiments of the present utility model. However, it will be understood by those skilled in the art that the present utility model is not limited to the above-described embodiments, which are described merely to illustrate the principles of the utility model, and that various changes and modifications may be made therein without departing from the scope of the utility model as claimed.
Claims (8)
1. Pile soil interaction test device, including supporting component, test assembly and lifting unit, its characterized in that: the support assembly comprises a base, a transverse plate positioned above the base and a support column for connecting and fixing the base and the transverse plate;
the test assembly comprises a containing box filled with soil, a plurality of springs positioned between the lower bottom surface of the containing box and the upper surface of the base, a mould pile with the bottom end vertically extending into the containing box and extrusion pieces positioned on four sides of the containing box and opposite to each other, wherein the extrusion pieces extend into the containing box and are transversely connected to the support assembly through automatic push rods; the lifting assembly comprises an air cylinder, a vertical hydraulic rod and a connecting plate, wherein the air cylinder is penetratingly fixed on the transverse plate, the upper end of the vertical hydraulic rod is connected with the air cylinder, the upper surface of the connecting plate is connected with the lower end of the hydraulic rod, and the lower surface of the connecting plate is fixed on the top end of the mould pile.
2. A pile soil interaction test apparatus as defined in claim 1, further comprising a spacing assembly; the limiting assembly comprises a vertical sliding rod, a transverse limiting rod and a sliding cylinder, the sliding cylinder is connected to the bottom of the transverse plate, and the mold pile extends out of the bottom of the sliding cylinder; opposite ends of the connecting plate extend out of the sliding cylinder and are respectively connected with the limiting rod; the end parts of the limiting rods are correspondingly connected to the sliding rods in a sliding mode respectively, and a first sliding opening for the connecting plates to move up and down is formed in the side wall of the sliding cylinder.
3. The pile soil interaction test device according to claim 2, wherein the sliding rods are respectively arranged in the supporting columns at corresponding sides, and a second sliding opening for the limiting rod to move up and down is arranged at one side of the supporting column facing the sliding cylinder.
4. A pile soil interaction test device according to claim 3, wherein the end of the limit rod is provided with a through hole, and the slide rod passes through the through holes and respectively penetrates through the corresponding end of the limit rod; the top and the bottom of the sliding rod are fixedly connected with the inner top wall and the inner bottom wall of the supporting column respectively.
5. A pile soil interaction test apparatus according to any one of claims 1 to 4, wherein said pressing members are divided into pressing blocks located on both left and right sides of said housing box and holding plates located on both front and rear sides of said housing box, said automatic push rod being divided into an electric push rod and a pneumatic push rod; the extrusion block is connected with the electric push rod, and the clamping plate is connected with the pneumatic push rod.
6. The pile soil interaction test device according to claim 5, wherein the supporting assembly further comprises supporting frames positioned on the front side and the rear side of the accommodating box, and the supporting columns are two and positioned on the left side and the right side of the accommodating box; the electric push rod is fixed on the support column, and the pneumatic push rod is fixed on the support frame.
7. A pile soil interaction test apparatus as claimed in any one of claims 1 to 4, wherein the base is provided with a load-bearing platform in which the spring is mounted, and the housing is provided on the load-bearing platform.
8. A pile soil interaction test device according to claim 7, wherein the number of springs is not less than ten.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222795471.9U CN219118249U (en) | 2022-10-21 | 2022-10-21 | Pile-soil interaction test device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222795471.9U CN219118249U (en) | 2022-10-21 | 2022-10-21 | Pile-soil interaction test device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219118249U true CN219118249U (en) | 2023-06-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222795471.9U Active CN219118249U (en) | 2022-10-21 | 2022-10-21 | Pile-soil interaction test device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219118249U (en) |
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- 2022-10-21 CN CN202222795471.9U patent/CN219118249U/en active Active
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