Suspension type laminar shear model box device for rock and soil test

Abstract

The utility model discloses a suspension type laminar shear model box device for rock and soil tests, and particularly relates to the technical field of model vibration tests, the suspension type laminar shear model box device comprises a vibration motor, a vibration test bed and a supporting block, the vibration test bed is located on the upper surface of the vibration motor, and the supporting block is fixedly connected to one side of the vibration test bed; a test overturning and discharging assembly is arranged at one end part of the supporting block; the test overturning discharging assembly comprises an overturning gear motor fixedly arranged at one end of the supporting block, and the output end of the overturning gear motor is fixedly connected with an overturning shaft. According to the utility model, vibration operation is realized by adopting the test overturning discharging assembly and the suspension type layered shear model in the model test box, the sleeve block drives the rotating plate to clockwise rotate by 60 degrees, the rotating plate enables the overturning table to clockwise rotate by 60 degrees, and the connecting plate drives the two model test boxes to be separated from the overturning table, so that material taking in the test is more time-saving and labor-saving.

Description

Technical Field

[0001] The utility model relates to the technical field of model vibration tests, and more specifically, to a suspended layered shear model box device for geotechnical tests. Background Art

[0002] The suspended layered shear model box device is mainly used to simulate the response of underground structures under dynamic loads such as earthquakes. Through this device, the mechanical properties of soil or rock under shear deformation, as well as the dynamic responses of underground structures such as subway stations and tunnels under earthquake actions, can be studied. In addition, this device can also be used to verify and calibrate numerical analysis models, improving the accuracy and reliability of engineering designs.

[0003] After retrieval in the existing public literature, the patent with the Chinese patent publication number CN111855120A discloses a suspended layered shear model box device. In this technology, the web members of the T-shaped rods are symmetrically welded on both sides of the central height of each layer of the surrounding plate, and the guide rods of the T-shaped rods are fitted into the grooves on the upper part of the pulley group; the lower parts of each layer of pulley groups are placed on the groove guides of square steel pipes at corresponding heights; the spring groups are placed in the groove guides to connect the pulleys and the support foot frames. This invention can quickly adjust the frequency of the model box, effectively solve the interference of the model box on the soil under earthquake actions, and greatly weaken the model boundary effect. However, this patent has the following defects.

[0004] When this suspended layered shear model box device for geotechnical tests is in use, since a suspended layered shear model needs to be placed inside the model box for geotechnical tests, after the test is completed, it is necessary to take out the tested suspended layered shear model from the model box, and at the same time, it is also necessary to take out the geotechnical material. This results in inconvenient material taking for the suspended layered shear model test, and it is more time-consuming and laborious to use in the test. Summary of the Utility Model

[0005] In order to overcome the above-mentioned defects of the prior art, the utility model provides the following technical solution: a suspended layered shear model box device for geotechnical tests, including a vibration motor, a vibration test bench, and a support block. The vibration test bench is located on the upper surface of the vibration motor, the support block is fixedly connected to one side of the vibration test bench, and a test tipping and discharging assembly is provided at one end of the support block; the test tipping and discharging assembly includes a flipping reduction motor fixedly arranged at one end of the support block, and an output end of the flipping reduction motor is fixedly connected to a flipping shaft, and a sleeve block is fixedly connected to an outer wall of the flipping shaft; a rotating plate is fixedly installed on one side of the sleeve block, a flipping table is fixedly connected to one side of the rotating plate, two model test boxes are slidably connected to an upper surface of the flipping table, and a connecting plate is provided on one side of the model test box; both of the two model test boxes are fixedly connected to the connecting plate, and a separating electric cylinder is fixedly connected to a lower surface of the connecting plate, and the separating electric cylinder is fixedly connected to the flipping table.

[0006] Preferably, the flipping reduction motor is used to drive the flipping shaft to rotate, and the vertical cross-sectional shape of the flipping shaft is circular. The flipping table is slidably connected to the vibration test bench, and the cross-sectional shape of the flipping table is rectangular. A plurality of first vibration springs are fixedly installed on the lower surface of the vibration test bench, and a linkage table is installed at the bottom end of the first vibration springs. A plurality of the first vibration springs are fixedly connected to the linkage table; a plurality of second vibration springs are fixedly connected to the lower surface of the linkage table, and a support chassis is installed at the bottom end of the second vibration springs. A plurality of the second vibration springs are fixedly connected to the support chassis.

[0007] When this technology is in use, the vibration motor drives the vibration test bench to vibrate. The first vibration springs vibrate on the linkage table. The vibration test bench drives the support block to make the flipping reduction motor vibrate. The flipping reduction motor drives the flipping shaft to make the sleeve block vibrate. The flipping table drives the two model test boxes to vibrate, and the geotechnical vibration test operation is carried out. After the vibration test is completed. By starting the flipping reduction motor to drive the flipping shaft to rotate clockwise by sixty degrees, the flipping shaft drives the sleeve block to rotate clockwise by sixty degrees, and the rotating plate makes the flipping table rotate clockwise by sixty degrees. Then, start the separation electric cylinder. The separation electric cylinder drives the connecting plate to move upward, and the connecting plate drives the separation between the two model test boxes and the flipping table.

[0008] Preferably, a limit guiding component is arranged on one side of the separation electric cylinder; the limit guiding component includes a support bar fixedly arranged on one side of the separation electric cylinder, and a socket block is fixedly connected to the upper surface of the support bar. A support pillar is fixedly installed on the inner wall of the socket block, and limit baffles are fixedly connected to both ends of the support pillar; both of the limit baffles are fixedly connected to the flipping table. The support bar is used to support the socket block, and the cross-sectional shape of the support bar is rectangular.

[0009] The two limit baffles are symmetrically arranged with respect to the support pillar, and both the support pillar and the limit baffles are made of stainless steel.

[0010] When this technology is in use, the support bar is supported by the flipping table, the socket block supports the support pillar, and the support pillar supports the two limit baffles, so that the two limit baffles can guide the suspended layered shear model to discharge downward on both sides.

[0011] The technical effects and advantages of the present utility model:

[0012] 1. The present utility model adopts a test overturning discharging component. The vibration motor drives the vibration test bench to vibrate, and the suspended layered shear model inside the model test box realizes the vibration operation. Start the flipping reduction motor to drive the flipping shaft to rotate clockwise by sixty degrees. The sleeve block drives the rotating plate to rotate clockwise by sixty degrees, and the rotating plate makes the flipping table rotate clockwise by sixty degrees. The connecting plate drives the separation between the two model test boxes and the flipping table, making the test material taking more time-saving and labor-saving;

[0013] 2. The utility model realizes the limiting and discharging operation through the limiting and guiding component, supporting the support bar through the turning table and supporting the support column through the socket block, so that the two limiting baffles can guide the suspended layered shear model to be discharged downward on both sides, thus avoiding the side discharge of the suspended layered shear model. Description of the Drawings

[0014] Figure 1 It is a schematic diagram of the overall structure of the suspended layered shear model box device for geotechnical tests of the present utility model.

[0015] Figure 2 It is a schematic diagram of a partial structure cut off at the connection between the vibration motor and the rotating plate of the present utility model.

[0016] Figure 3 It is a schematic diagram of the rear view structure of the suspended layered shear model box device for geotechnical tests of the present utility model.

[0017] Figure 4 It is a schematic diagram of the bottom view structure of the suspended layered shear model box device for geotechnical tests of the present utility model.

[0018] Figure 5 It is a schematic diagram of the front view structure of the limiting and guiding component of the present utility model.

[0019] Reference numerals are: 1. Vibration motor; 2. Vibration test bench; 3. Support block; 4. Turning reduction motor; 5. Turning shaft; 6. Sleeve block; 7. Rotating plate; 8. Turning table; 9. Model test box; 10. Connecting plate; 11. Separation electric cylinder; 12. First vibration spring; 13. Linkage table; 14. Second vibration spring; 15. Support chassis; 16. Support bar; 17. Socket block; 18. Support column; 19. Limiting baffle. Detailed Embodiment

[0020] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.

[0021] As shown in the attached Figure 1 - attached Figure 5A suspended layered shear model box device for geotechnical tests is shown. An experimental overturning and discharging assembly is provided on the suspended layered shear model box device for geotechnical tests. The setting of the experimental overturning and discharging assembly enables the turntable 8 to rotate clockwise by sixty degrees, and the connecting plate 10 drives the separation between the two model test boxes 9 and the turntable 8, making the test material collection more time-saving and labor-saving. The specific structural setting of the experimental overturning and discharging assembly is as follows.

[0022] In this embodiment, as shown in the attached Figure 1 -attached Figure 3 figure, the vibration test bench 2 is located on the upper surface of the vibration motor 1. The support block 3 is fixedly connected to one side of the vibration test bench 2, and an experimental overturning and discharging assembly is provided at one end of the support block 3. The experimental overturning and discharging assembly includes a turning reduction motor 4 fixedly arranged at one end of the support block 3, and the output end of the turning reduction motor 4 is fixedly connected with a turning shaft 5. A sleeve block 6 is fixedly connected to the outer wall of the turning shaft 5. A rotating plate 7 is fixedly installed on one side of the sleeve block 6, and a turntable 8 is fixedly connected to one side of the rotating plate 7. Two model test boxes 9 are slidably connected to the upper surface of the turntable 8, and a connecting plate 10 is provided on one side of the model test box 9. Both of the two model test boxes 9 are fixedly connected to the connecting plate 10, and a separation cylinder 11 is fixedly connected to the lower surface of the connecting plate 10, and the separation cylinder 11 is fixedly connected to the turntable 8. The turning reduction motor 4 is used to drive the turning shaft 5 to rotate, and the vertical cross-sectional shape of the turning shaft 5 is circular. The turntable 8 is slidably connected to the vibration test bench 2, and the cross-sectional shape of the turntable 8 is rectangular.

[0023] In this embodiment, as shown in the attached Figure 4 figure, a plurality of first vibration springs 12 are fixedly installed on the lower surface of the vibration test bench 2, and a linkage platform 13 is installed at the bottom end of the first vibration springs 12. All of the plurality of first vibration springs 12 are fixedly connected to the linkage platform 13. A plurality of second vibration springs 14 are fixedly connected to the lower surface of the linkage platform 13, and a support bottom frame 15 is installed at the bottom end of the second vibration springs 14. All of the plurality of second vibration springs 14 are fixedly connected to the support bottom frame 15.

[0024] When the suspension type layered shear model box device for geotechnical tests of the present technology is in use, first, two groups of suspension type layered shear models are respectively placed in two model test boxes 9. By starting the vibration motor 1, the vibration motor 1 drives the vibration test bench 2 to vibrate. The vibration test bench 2 drives a plurality of first vibration springs 12 to vibrate. The first vibration springs 12 vibrate on the linkage platform 13. At the same time, the linkage platform 13 drives the second vibration springs 14 to vibrate. The support chassis 15 supports the second vibration springs 14. And the vibration test bench 2 drives the support block 3 to make the flipping reduction motor 4 vibrate. The flipping reduction motor 4 drives the flipping shaft 5 to make the sleeve block 6 vibrate. The sleeve block 6 drives the rotating plate 7 to make the flipping platform 8 vibrate. The flipping platform 8 drives the two model test boxes 9 to vibrate. The suspension type layered shear models inside the model test boxes 9 perform vibration operations to conduct geotechnical vibration test operations. After the vibration test is completed.

[0025] By starting the flipping reduction motor 4 to drive the flipping shaft 5 to rotate clockwise by sixty degrees, then the flipping shaft 5 drives the sleeve block 6 to rotate clockwise by sixty degrees. The sleeve block 6 drives the rotating plate 7 to rotate clockwise by sixty degrees. The rotating plate 7 makes the flipping platform 8 rotate clockwise by sixty degrees. The flipping platform 8 drives the two model test boxes 9 to rotate clockwise by sixty degrees. Then start the separation electric cylinder 11. The separation electric cylinder 11 drives the connecting plate 10 to move upward. The connecting plate 10 drives the separation between the two model test boxes 9 and the flipping platform 8. After separation, the suspension type layered shear models tilt and are discharged downward.

[0026] In this embodiment, as shown in the attached Figure 3 -attached Figure 5 figure, a limiting and guiding component is arranged on one side of the separation electric cylinder 11; the limiting and guiding component includes a support bar 16 fixedly arranged on one side of the separation electric cylinder 11. And a socket block 17 is fixedly connected to the upper surface of the support bar 16. A support pillar 18 is fixedly installed on the inner wall of the socket block 17. Limiting baffles 19 are fixedly connected to both ends of the support pillar 18; both limiting baffles 19 are fixedly connected to the flipping platform 8. The support bar 16 is used to support the socket block 17, and the cross-sectional shape of the support bar 16 is rectangular. The two limiting baffles 19 are symmetrically arranged with respect to the support pillar 18. The support pillar 18 and the limiting baffles 19 are both made of stainless steel.

[0027] When the present technology is in use, the support bar 16 is supported by the flipping platform 8, the socket block 17 is supported by the support bar 16, the support pillar 18 is supported by the socket block 17, and the two limiting baffles 19 are supported by the support pillar 18. In this way, the two limiting baffles 19 can guide the suspension type layered shear models to be discharged downward on both sides, thus realizing the limiting downward discharge operation.

[0028] Contents not described in detail in the specification belong to the prior art well-known to those skilled in the art. And the model parameters of each electrical appliance are not specifically limited. Conventional equipment can be used. In the technical solution of the present technology, since the electrical control components not mentioned belong to the prior art, they are not shown in the figure and will not be described herein again.

[0029] The above are only the preferred embodiments of the present utility model and are not intended to limit the present utility model. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present utility model shall be included within the protection scope of the present utility model.

Claims

1. A suspended layered shear model box device for geotechnical tests, comprising a vibration motor (1), a vibration test bench (2) and a support block (3), characterized in that: The vibration test bench (2) is located on the upper surface of the vibration motor (1). The support block (3) is fixedly connected to one side of the vibration test bench (2), and a test tipping and discharging assembly is provided at one end of the support block (3). The test tipping and discharging assembly includes a turnover reduction motor (4) fixedly arranged at one end of the support block (3), and an output shaft of the turnover reduction motor (4) is fixedly connected with a turnover shaft (5), and a sleeve block (6) is fixedly connected to the outer wall of the turnover shaft (5). One side of the sleeve block (6) is fixedly installed with a rotating plate (7), and a turnover table (8) is fixedly connected to one side of the rotating plate (7). Two model test boxes (9) are slidably connected to the upper surface of the turnover table (8), and a connecting plate (10) is provided on one side of the model test box (9). Both of the two model test boxes (9) are fixedly connected to the connecting plate (10), and a separating electric cylinder (11) is fixedly connected to the lower surface of the connecting plate (10), and the separating electric cylinder (11) is fixedly connected to the turnover table (8).

2. The hanging type layered shear model box device for geotechnical tests according to claim 1, characterized in that: The turnover reduction motor (4) is used to drive the turnover shaft (5) to rotate, and the vertical cross-sectional shape of the turnover shaft (5) is circular.

3. The hanging type layered shear model box device for geotechnical tests according to claim 1, characterized in that: The turnover table (8) is slidably connected to the vibration test bench (2), and the cross-sectional shape of the turnover table (8) is rectangular.

4. The hanging layered shear model box device for geotechnical tests according to claim 1, characterized in that: A plurality of first vibration springs (12) are fixedly installed on the lower surface of the vibration test bench (2), and a linkage table (13) is installed at the bottom end of the first vibration springs (12), and all of the plurality of first vibration springs (12) are fixedly connected to the linkage table (13). A plurality of second vibration springs (14) are fixedly connected to the lower surface of the linkage table (13), and a support bottom frame (15) is installed at the bottom end of the second vibration springs (14), and all of the plurality of second vibration springs (14) are fixedly connected to the support bottom frame (15).

5. The hanging type layered shear model box device for geotechnical tests according to claim 1, characterized in that: A limit guiding assembly is provided on one side of the separating electric cylinder (11). The limit guiding assembly includes a support bar (16) fixedly arranged on one side of the separating electric cylinder (11), and a socket block (17) is fixedly connected to the upper surface of the support bar (16). A support pillar (18) is fixedly installed on the inner wall of the socket block (17), and limit baffle plates (19) are fixedly connected to both ends of the support pillar (18). Both of the two limit baffle plates (19) are fixedly connected to the turnover table (8).

6. The hanging type layered shear model box device for geotechnical tests according to claim 5, characterized in that: The support bar (16) is used to support the socket block (17), and the cross-sectional shape of the support bar (16) is rectangular.

7. The hanging type layered shear model box device for geotechnical tests according to claim 5, characterized in that: The two limit baffle plates (19) are symmetrically arranged with respect to the support pillar (18), and the support pillar (18) and the limit baffle plates (19) are both made of stainless steel material.

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