CN-224231476-U - Rock-soil loading device and rock-soil testing device

CN224231476UCN 224231476 UCN224231476 UCN 224231476UCN-224231476-U

Abstract

The utility model discloses a rock and soil loading device and a rock and soil testing device, which relate to the technical field of rock and soil stress simulation and comprise a loading head, a horizontal bearing frame, a vertical bearing frame, a rotary bearing frame, a horizontal driving device, a vertical driving device and a rotary driving device, wherein the horizontal bearing frame is fixedly arranged above a model box, the vertical bearing frame can move in the horizontal direction along the horizontal bearing frame, the rotary bearing frame can move in the vertical direction along the vertical bearing frame, the loading head is arranged on the rotary bearing frame, the loading head can rotate and is used for contacting a rock and soil sample in the model box and applying rotary torque, horizontal testing force and vertical testing force to the rock and soil sample, the horizontal driving device is arranged on the horizontal bearing frame, and the vertical driving device is arranged on the rotary bearing frame.

Inventors

LI SHUHAI
WANG CHANGTAO
ZHONG MIANXIN
CHEN CHANGFU
ZHANG JIANWEN
LIU KUNLONG
QIAO SHUQING
HUANG JINHUI
QIN YAN
ZHANG ZHENSHUAI
KOU LI
LI JIANHUA

Assignees

杭州邦威机电控制工程有限公司

Dates

Publication Date: 20260512
Application Date: 20250527

Claims (10)

1. The rock and soil loading device is characterized by comprising a loading head, a horizontal bearing frame, a vertical bearing frame, a rotary bearing frame, a horizontal driving device, a vertical driving device and a rotary driving device, wherein the horizontal bearing frame is used for being fixedly arranged above a model box, the bottom end of the vertical bearing frame is arranged on the horizontal bearing frame, the vertical bearing frame can move in the horizontal direction along the horizontal bearing frame, the first end of the rotary bearing frame is arranged on the vertical bearing frame, the rotary bearing frame can move in the vertical direction along the vertical bearing frame, the loading head is arranged on the rotary bearing frame, the loading head can rotate, the loading head is used for being in contact with a rock and soil sample in the model box, and applying rotary torque, horizontal test force and vertical test force to the rock and soil sample, the horizontal driving device is arranged on the horizontal bearing frame, the horizontal driving device is in transmission connection with the vertical bearing frame, the horizontal driving device can provide power for the vertical bearing frame to move in the horizontal direction, the vertical driving device is arranged on the vertical bearing frame, and the vertical driving device can be in rotation connection with the rotary driving device, and the loading head can provide rotary driving device.
2. The rock and soil loading device according to claim 1, wherein the horizontal driving device comprises a horizontal servo motor unit and a horizontal linear transmission mechanism, the horizontal servo motor unit is fixedly arranged on the horizontal bearing frame, a power output shaft of the horizontal servo motor unit is in transmission connection with a power input end of the horizontal linear transmission mechanism, a power output end of the horizontal linear transmission mechanism is in transmission connection with the vertical bearing frame, the power output shaft of the horizontal servo motor unit can drive the vertical bearing frame to move in the horizontal direction, the vertical driving device comprises a vertical servo motor unit and a vertical linear transmission mechanism, the vertical servo motor unit is fixedly arranged on the vertical bearing frame, a power output shaft of the vertical servo motor unit is in transmission connection with a power input end of the vertical linear transmission mechanism, a power output end of the vertical linear transmission mechanism is in transmission connection with the rotary bearing frame, and the power output shaft of the vertical servo motor unit can drive the rotary bearing frame to move in the vertical direction.
3. The rock and soil loading device according to claim 2, wherein the horizontal linear transmission mechanism comprises a horizontal ball screw group, the horizontal ball screw group comprises a horizontal screw and a horizontal nut, the horizontal screw is horizontally arranged on the horizontal bearing frame, the horizontal screw can rotate, the horizontal nut is fixedly connected with the vertical bearing frame, the horizontal nut is sleeved on the horizontal screw, the horizontal nut can move in the horizontal direction along with the rotation of the horizontal screw, a power output shaft of the horizontal servo motor group is in transmission connection with a first end of the horizontal screw, the power output shaft of the horizontal servo motor group can drive the horizontal screw to rotate, the horizontal linear transmission mechanism further comprises a first bearing and a second bearing, an outer ring of the first bearing is fixedly arranged on one end of the horizontal screw, an inner ring of the first bearing is fixedly sleeved on the other end of the horizontal screw, and an inner ring of the second bearing is fixedly sleeved on the other end of the horizontal screw.
4. The rock and soil loading device according to claim 2, wherein the vertical linear transmission mechanism comprises a vertical ball screw group, the vertical ball screw group comprises a vertical screw and a vertical nut, the vertical screw is vertically arranged on the vertical bearing frame, the vertical screw can rotate, the vertical nut is fixedly connected with the rotating bearing frame, the vertical nut is sleeved on the vertical screw, the vertical nut can move in the vertical direction along with the rotation of the vertical screw, a power output shaft of the vertical servo motor group is in transmission connection with a first end of the vertical screw, the power output shaft of the vertical servo motor group can drive the vertical screw to rotate, the vertical linear transmission mechanism further comprises a third bearing and a fourth bearing, an outer ring of the third bearing is fixedly arranged on one end of the vertical bearing frame, an inner ring of the third bearing is fixedly sleeved on the other end of the vertical bearing frame, and a fixing sleeve of the fourth bearing is arranged on the other end of the vertical screw.
5. The rock and soil loading device according to claim 4, wherein the vertical linear transmission mechanism further comprises a vertical loading block, the vertical loading block is sleeved on the vertical screw rod, the vertical loading block is arranged below the vertical nut, the vertical loading block is fixedly connected with the vertical nut, and the vertical loading block is fixedly connected with the rotary bearing frame.
6. The rock and soil loading device according to claim 1, wherein the rotary driving device comprises a rotary servo motor unit and a fifth bearing, the rotary servo motor unit is fixedly arranged on the rotary bearing frame, a power output shaft of the rotary servo motor unit is in transmission connection with the loading head, the power output shaft of the rotary servo motor unit rotates to drive the loading head to rotate, an outer ring of the fifth bearing is fixedly arranged on the rotary bearing frame, and an inner ring of the fifth bearing is fixedly sleeved on the loading head.
7. The rock and soil loading device according to claim 1, further comprising a horizontal guide rail group and a vertical guide rail group, wherein the horizontal guide rail group comprises a plurality of horizontal linear guide rails, the horizontal linear guide rails are fixedly arranged on the horizontal bearing frame along the horizontal direction, a plurality of horizontal sliding blocks are arranged on the horizontal linear guide rails and are fixedly connected with the vertical bearing frame, the vertical guide rail group comprises a plurality of vertical linear guide rails, the vertical linear guide rails are fixedly arranged on the vertical bearing frame along the vertical direction, a plurality of vertical sliding blocks are arranged on the vertical linear guide rails, and the vertical sliding blocks are fixedly connected with the rotary bearing frame.
8. The rock and soil loading device according to claim 1, wherein a first constraint plate and a second constraint plate are fixedly arranged at the bottom of the horizontal bearing frame, the first constraint plate is parallel to the second constraint plate, the first constraint plate is used for being placed on a first side of the model box, the second constraint plate is used for being placed on a second side of the model box, a plurality of first threaded rods are connected to the first constraint plate in a threaded mode, one end of each first threaded rod is used for being pressed on a first side of the model box, a plurality of second threaded rods are connected to the second constraint plate in a threaded mode, and one end of each second threaded rod is used for being pressed on a second side of the model box.
9. A rock and soil loading device according to claim 1, further comprising a horizontal load sensor connected between the horizontal drive device and the vertical carrier, a vertical load sensor connected between the vertical drive device and the rotary carrier, and a torque sensor connected between the rotary drive device and the loading head.
10. A rock and soil testing device, comprising a model box for accommodating a rock and soil sample and a rock and soil loading device according to any one of claims 1 to 9.

Description

Rock-soil loading device and rock-soil testing device Technical Field The utility model relates to the technical field of rock-soil stress simulation, in particular to a rock-soil loading device and a rock-soil test device. Background At present, when a laboratory simulates stress state tests of rock and soil such as submarine rock and sediment mixtures, the test force which is required is dynamic change and can be continuously applied, and meanwhile, vertical rotation torque is required to be applied to a rock and soil sample, so that stress conditions of a rock and soil structure in a complex environment are simulated, and therefore, stable and reliable application of the rotation torque and horizontal and vertical bidirectional fatigue test force has very important significance for a rock and soil loading test. The loading device for the rock-soil test is usually a unidirectional loading device or a static loading device, and can only be loaded at a constant speed in a segmented mode, the loading device can only simulate one test working condition, when a complex stress condition is met, the loading device can only be correspondingly split into a plurality of special tests to simulate the test data, then the test data are integrated, the obtained data result cannot truly reflect the actual condition, larger errors are often caused, the reliability of the test data is greatly influenced, a plurality of testers are often required to operate continuously on site for a long time, the labor force waste of the testers is caused, and the test efficiency is greatly reduced. Disclosure of utility model The utility model aims to provide a rock and soil loading device and a rock and soil testing device, which are used for solving the problems in the prior art and comprehensively and effectively simulating the stress movement condition of a rock and soil sample. In order to achieve the above object, the present utility model provides the following solutions: The utility model provides a rock and soil loading device which comprises a loading head, a horizontal bearing frame, a vertical bearing frame, a rotary bearing frame, a horizontal driving device, a vertical driving device and a rotary driving device, wherein the horizontal bearing frame is fixedly arranged above a model box, the bottom end of the vertical bearing frame is arranged on the horizontal bearing frame, the vertical bearing frame can move in the horizontal direction along the horizontal bearing frame, the first end of the rotary bearing frame is arranged on the vertical bearing frame, the rotary bearing frame can move in the vertical direction along the vertical bearing frame, the loading head is arranged on the rotary bearing frame, the loading head can rotate, the loading head is used for contacting with a rock and soil sample in the model box, applying rotary torque, horizontal test force and vertical test force to the rock and soil sample, the horizontal driving device is arranged on the horizontal bearing frame, the horizontal driving device is in transmission connection with the vertical bearing frame, the horizontal driving device can provide power for the vertical bearing frame to move in the horizontal direction, the vertical driving device is arranged on the vertical bearing frame, the vertical driving device is in the vertical driving device, and the vertical driving device is in the rotation driving device. Preferably, the horizontal driving device comprises a horizontal servo motor unit and a horizontal linear transmission mechanism, the horizontal servo motor unit is fixedly arranged on the horizontal bearing frame, a power output shaft of the horizontal servo motor unit is in transmission connection with a power input end of the horizontal linear transmission mechanism, a power output end of the horizontal linear transmission mechanism is in transmission connection with the vertical bearing frame, the power output shaft of the horizontal servo motor unit rotates to drive the vertical bearing frame to move in the horizontal direction, the vertical driving device comprises a vertical servo motor unit and a vertical linear transmission mechanism, the vertical servo motor unit is fixedly arranged on the vertical bearing frame, a power output shaft of the vertical servo motor unit is in transmission connection with a power input end of the vertical linear transmission mechanism, a power output end of the vertical linear transmission mechanism is in transmission connection with the vertical bearing frame, and the power output shaft of the vertical servo motor unit rotates to drive the vertical bearing frame to move in the vertical direction. Preferably, the horizontal linear transmission mechanism comprises a horizontal ball screw group, the horizontal ball screw group comprises a horizontal screw and a horizontal nut, the horizontal screw is horizontally arranged on the horizontal bearing frame, the horizontal screw can rotate, the horizonta