CN-122013823-A - Model pile test loading device

CN122013823ACN 122013823 ACN122013823 ACN 122013823ACN-122013823-A

Abstract

The invention provides a model pile test loading device, which belongs to the technical field of geotechnical engineering and comprises a fixed seat and loading equipment, wherein a through groove is formed in the bottom of the fixed seat, a fixed circular ring is arranged in the through groove, an annular groove which penetrates up and down is formed in the fixed circular ring, an angle adjusting mechanism is arranged in the annular groove and connected with the loading equipment, the angle of the loading equipment can be adjusted through the angle adjusting mechanism, the loading equipment can transmit loading force to the model pile under different angles through a limiting assembly, the model pile transmits pressure to a pressure measuring mechanism through a driving plate, and the pressure measuring mechanism detects the pressure, so that the loading force transmitted to the model pile by the loading equipment can be detected, the loading angle of the loading equipment can be adjusted in multiple angles, the operation is convenient, and the practicability of the device is improved.

Inventors

XU ZHIJUN
WANG ZHENGQUAN
WANG YANCHAO
LIU YAHAO
CHEN TAO
WANG PENGYUAN
YANG MAOMAO
GUO ZHAOXIANG

Assignees

河南工业大学
河南华晖实业集团有限公司

Dates

Publication Date: 20260512
Application Date: 20260306

Claims (9)

1. The model pile test loading device comprises a fixed seat and loading equipment, and is characterized in that a through groove is formed in the bottom of the fixed seat, a fixed circular ring is arranged in the through groove, an annular groove which penetrates up and down is formed in the fixed circular ring, and an angle adjusting mechanism is arranged in the annular groove and is connected with the loading equipment; the loading device is provided with a limiting assembly, the angle adjusting mechanism can adjust the angle of the loading device relative to the model pile, and the loading device can transmit loading force to the model pile under different angles through the limiting assembly; The driving groove is formed in the fixing base, a driving plate used for placing the model pile is slidably arranged in the driving groove, a pressure measuring mechanism is arranged in the fixing base, the loading equipment applies pressure to the model pile through the limiting assembly, the model pile transmits the pressure to the pressure measuring mechanism through the driving plate, and the pressure measuring mechanism detects the pressure.
2. The model pile test loading device according to claim 1, wherein the limiting assembly comprises a cover plate matched with the model pile, an arc-shaped plate is arranged on the cover plate, an arc-shaped groove is formed in the arc-shaped plate, an arc-shaped block is slidably arranged in the arc-shaped groove, and the loading equipment is connected with the arc-shaped block.
3. The model pile test loading device according to claim 2, wherein the fixed seat is internally provided with a movable groove, the pressure measuring mechanism comprises a pressure measuring block which is slidably arranged in the movable groove, a pressure sensor is arranged in the movable groove, and the top of the fixed seat is provided with a control panel which is in signal connection with the pressure sensor; The fixing seat is characterized in that a U-shaped groove is formed in the fixing seat, one end of the U-shaped groove is communicated with the inside of the driving groove, the other end of the U-shaped groove is communicated with the inside of the moving groove, and hydraulic oil is filled in the U-shaped groove.
4. The device for loading a pile test according to claim 3, wherein the moving groove and the driving groove are both cylindrical groove hole structures, and the diameter of the moving groove is half of that of the driving groove.
5. The model pile test loading device according to claim 1, wherein the angle adjusting mechanism comprises an annular block rotatably arranged in the annular groove, a circular sleeve is arranged on the fixed annular ring, a driving piece is arranged in the circular sleeve and is used for driving the annular block to rotate, an arc-shaped fixed block is arranged at the bottom of the annular block, and the arc-shaped fixed block is connected with the loading equipment.
6. The loading device for model pile test according to claim 5, wherein the driving member comprises a rotating shaft rotatably installed in the circular sleeve, a worm is installed on the rotating shaft, worm teeth are annularly arranged on the peripheral surface of the annular block, a connecting groove is formed in the bottom of the circular sleeve, and the worm is meshed with the worm teeth through the connecting groove.
7. The loading device for model pile test according to claim 6, wherein the rotating plate is mounted at one end of the rotating shaft extending out of the circular sleeve.
8. The loading device for model pile test according to claim 1, wherein the limiting columns are arranged at left and right intervals on the top of the fixing seat, the fixing sleeve is arranged on the top of the limiting columns, and the limiting parts are arranged in the fixing sleeve and used for preventing the model pile from shaking.
9. The loading device for model pile test according to claim 8, wherein the limiting member comprises a screw and a nut, the screw is arranged inside the fixed sleeve and extends in the left-right direction, the nut is rotatably mounted on the fixed sleeve, the nut is in threaded connection with the screw, and an arc-shaped clamping plate is mounted at one end of the screw towards the model pile.

Description

Model pile test loading device Technical Field The invention belongs to the technical field of geotechnical engineering, and particularly relates to a model pile test loading device. Background In the field of geotechnical engineering, pile foundations are used as an important basic form, are widely applied to various projects such as high-rise buildings, bridges, ports and side slope supports, and have important guiding significance on safety and economy of engineering design due to research on bearing characteristics, deformation rules and damage modes. The model pile test is used as one of core means for researching the mechanical properties of pile foundations, a similar model is constructed in a laboratory, the load effect in actual engineering is simulated, the stressed deformation data of the pile foundations can be conveniently and efficiently obtained, theoretical basis and test support are provided for prototype pile design, the loading device is used as core equipment of the model pile test, the flexibility, the loading precision and the stability of the loading direction of the loading device are directly determined, the accuracy and the reliability of test data are directly determined, and the scientificity of a test conclusion is further influenced. At present, the existing model pile test loading device is mainly designed aiming at a specific loading direction and can be roughly divided into a vertical loading device, a horizontal loading device and an inclined loading device with a fixed angle. The current model pile test loading device has the technical defects of single loading direction, complex operation, poor stability, poor suitability and the like, and can not meet the requirements of the model pile mechanical property test under the complex working condition. Therefore, a model pile test loading device which can realize accurate and flexible adjustment of loading direction, is stable in loading and strong in adaptability is urgently needed, so that the defects of the prior art are overcome. Disclosure of Invention The invention aims to provide a model pile test loading device, which aims to solve the problems of single loading direction, complex operation, poor stability and poor suitability of the current model pile test loading device in the prior art. The invention provides a model pile test loading device which comprises a fixed seat and loading equipment, wherein a through groove is formed in the bottom of the fixed seat, a fixed circular ring is arranged in the through groove, an annular groove which is vertically communicated is formed in the fixed circular ring, and an angle adjusting mechanism is arranged in the annular groove and is connected with the loading equipment; the loading device is provided with a limiting assembly, the angle adjusting mechanism can adjust the angle of the loading device relative to the model pile, and the loading device can transmit loading force to the model pile under different angles through the limiting assembly; The driving groove is formed in the fixing base, a driving plate used for placing the model pile is slidably arranged in the driving groove, a pressure measuring mechanism is arranged in the fixing base, the loading equipment applies pressure to the model pile through the limiting assembly, the model pile transmits the pressure to the pressure measuring mechanism through the driving plate, and the pressure measuring mechanism detects the pressure. As the model pile test loading device, preferably, the limiting assembly comprises the cover plate matched with the model pile, the cover plate is provided with the arc-shaped plate, the arc-shaped plate is provided with the arc-shaped groove, the arc-shaped block is slidably arranged in the arc-shaped groove, and the loading equipment is connected with the arc-shaped block. As the model pile test loading device, preferably, the inside of the fixed seat is provided with the moving groove, the pressure measuring mechanism comprises a pressure measuring block which is arranged in the moving groove in a sliding way, a pressure sensor is arranged in the moving groove, and the top of the fixed seat is provided with a control panel which is in signal connection with the control panel; The fixing seat is characterized in that a U-shaped groove is formed in the fixing seat, one end of the U-shaped groove is communicated with the inside of the driving groove, the other end of the U-shaped groove is communicated with the inside of the moving groove, and hydraulic oil is filled in the U-shaped groove. As the model pile test loading device, preferably, the moving groove and the driving groove are both cylindrical slotted hole structures, and the diameter of the moving groove is half of that of the driving groove. As the model pile test loading device, preferably, the angle adjusting mechanism comprises an annular block rotatably arranged in the annular groove, a circular sleeve is arranged on the fixed