CN220854499U

CN220854499U - Highway shear test detection device

Info

Publication number: CN220854499U
Application number: CN202322394005.4U
Authority: CN
Inventors: 杜振宁
Original assignee: Shandong Provincial Highway Testing Center
Current assignee: Shandong Provincial Highway Testing Center
Priority date: 2023-09-05
Filing date: 2023-09-05
Publication date: 2024-04-26
Anticipated expiration: 2033-09-05

Abstract

The utility model discloses a highway shear test detection device, which comprises a bottom plate, wherein a fixed block is welded on the top surface of the bottom plate, a plurality of guide rods are welded on the outer side of the fixed block, a movable box is slidably arranged on the outer side of the guide rods, a lower cavity is formed in the top surface of the movable box, a soil sample box is arranged at the top of the movable box, a movable assembly for driving the movable box to move is arranged on the top surface of the fixed block, a support frame is welded on the outer side of the soil sample box, a sliding rod is slidably arranged on the surface of the support frame, an abutting rod is fixedly arranged at one end of the sliding rod, a pressure testing device is fixedly arranged at one end of the sliding rod, which is far away from the abutting rod, a pressing plate is fixedly arranged at the detection end of the pressure testing device, and an abutting assembly for driving the abutting rod to move is arranged at one side of the support frame. According to the utility model, the abutting component can drive the abutting rod to move downwards, and the sliding rod and the pressure testing equipment drive the pressing plate to press the soil sample, so that different vertical pressures are applied to the soil sample.

Description

Highway shear test detection device

Technical Field

The utility model relates to the technical field of shear tests, in particular to a highway shear test detection device.

Background

In the process of highway engineering construction, in order to select a better soil sample for use, a shearing test is usually performed on the selected soil sample to determine the shearing strength of the soil sample.

In the shearing test process, in order to ensure test accuracy, four soil samples are generally required to be cut and detected under different vertical pressures, the currently used test device can only conduct the shearing test on the single soil sample under one vertical pressure at a time, so that the test cost is long, and in addition, when the vertical pressure is applied to the soil sample, the weight of the balancing weight is required to be adjusted, and the replacement of the balancing weight is troublesome. Therefore, we propose a highway shear test detection device.

Disclosure of utility model

The utility model aims to provide a highway shear test detection device for solving the problems of the background technology.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a highway shear test detection device, includes the bottom plate, the bottom plate top surface welding has the fixed block, the fixed block outside welding has a plurality of guide bar, guide bar outside side sliding mounting has the removal box, the lower cavity has been seted up to removal box top surface, it is provided with the soil sample box to remove the box top, the fixed block top surface is provided with the removal subassembly that is used for driving the removal box motion;

The soil sample box outside welding has the support frame, support frame surface slidable mounting has the slide bar, slide bar one end fixed mounting has to touch the pole, the one end fixed mounting that the slide bar kept away from to touch the pole has pressure test equipment, pressure test equipment detection end fixed mounting has the clamp plate, in the clamp plate passed the soil sample box, support frame one side is provided with the conflict subassembly that is used for driving to touch the pole motion.

Preferably, one side of the guide rod is fixedly provided with a dial indicator component which can be abutted against the soil sample box.

Preferably, the movable assembly comprises an electric push rod, the electric push rod is fixedly arranged on the top surface of the fixed block through a bolt, a lifting plate is fixedly arranged at the output end of the electric push rod, a plurality of supporting rods are hinged to the outer side of the lifting plate, a connecting rod is hinged to one end, far away from the lifting plate, of each supporting rod, and the connecting rod is welded to one side of the movable box.

Preferably, the abutting rod is cylindrical.

Preferably, the pressing plate is slidably mounted on the inner side of the soil sample box, and the cross section size of the shaft of the pressing plate is matched with that of the shaft of the inner side of the soil sample box.

Preferably, the conflict subassembly includes L shape guide bar and mounting panel, L shape guide bar outside slidable mounting has the conflict board, conflict board axial section is triangle-shaped, the one side of conflict board slope is contradicted with the conflict pole, conflict board one side fixed mounting has the screw thread piece, mounting panel one side movable mounting has the threaded rod, the threaded rod screw thread runs through the screw thread piece, the one end fixed mounting that the mounting panel was kept away from to the threaded rod has the knob.

Compared with the prior art, the utility model has the beneficial effects that:

1. This highway shear test detection device drives the threaded rod through rotating the knob and rotates, and then drives the screw thread piece and remove in the threaded rod outside, and the screw thread piece drives conflict board motion and contradicts with the conflict pole, and the conflict board contradicts the downward movement of conflict pole to drive the clamp plate through slide bar and pressure test equipment and move down, apply vertical pressure to the soil sample, pressure test equipment can detect the vertical pressure that applys, and it need not to adjust the counter weight and can change the vertical pressure to the soil sample, and it is comparatively convenient to use.

2. This highway shear test detection device opens electric putter's switch, drives lifter plate downward movement to promote a plurality of connecting rods motion through the bracing piece, and then drive and remove the box and remove in the guide bar outside, until the soil sample is destroyed completely, the shear test work under the different vertical pressures has been accomplished in step, has promoted shear force measurement of efficiency.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a schematic cross-sectional structure of the soil sample box of the present utility model.

In the figure: 1. a bottom plate; 2. a fixed block; 3. a guide rod; 4. a moving case; 5. a lower cavity; 6. a soil sample box; 7. a support frame; 8. a pressing plate; 9. a slide bar; 10. a pressure testing device; 11. a touch-up rod; 12. an L-shaped guide bar; 13. a contact plate; 14. a screw block; 15. a mounting plate; 16. a threaded rod; 17. a knob; 18. an electric push rod; 19. a lifting plate; 20. a support rod; 21. a connecting rod; 22. a dial indicator assembly.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Example 1

Referring to fig. 1-2, the utility model provides a highway shear test detection device, which comprises a bottom plate 1, wherein a fixed block 2 is welded on the top surface of the bottom plate 1, a plurality of guide rods 3 are welded on the outer side of the fixed block 2, a movable box 4 is slidably arranged on the outer side of the guide rods 3, a lower cavity 5 is formed on the top surface of the movable box 4, a soil sample box 6 is arranged on the top of the movable box 4, and a movable assembly for driving the movable box 4 to move is arranged on the top surface of the fixed block 2;

The outside welding of soil sample box 6 has support frame 7, and support frame 7 surface sliding mounting has slide bar 9, and slide bar 9 one end fixed mounting has to touch the pole 11, and the conflict pole 11 is cylindrically, and slide bar 9 is kept away from the one end fixed mounting who touches the pole 11 and is had pressure test equipment 10, and pressure test equipment 10 detection end fixed mounting has clamp plate 8, and clamp plate 8 passes in the soil sample box 6, and support frame 7 one side is provided with the conflict subassembly that is used for driving to touch the pole 11 motion.

Specifically, can drive through the conflict subassembly and support the downward movement of feeler lever 11 to drive clamp plate 8 through slide bar 9 and pressure test equipment 10 and push down the soil sample, thereby apply different vertical pressure to the soil sample, pressure test equipment 10 can detect the pressure, can drive a plurality of removal boxes 4 removal simultaneously through moving the subassembly, thereby carry out multiunit shear test simultaneously.

Wherein: one side of the guide rod 3 is fixedly provided with a dial indicator assembly 22 which can be abutted against the soil sample box 6, and the shear force can be measured through the dial indicator assembly 22.

Wherein: the movable assembly comprises an electric push rod 18, the electric push rod 18 is fixedly arranged on the top surface of the fixed block 2 through bolts, a lifting plate 19 is fixedly arranged at the output end of the electric push rod 18, a plurality of support rods 20 are hinged to the outer side of the lifting plate 19, one ends of the support rods 20 away from the lifting plate 19 are hinged to connecting rods 21, the connecting rods 21 are welded to one side of the movable box 4, a switch of the electric push rod 18 is opened, the lifting plate 19 is driven to move downwards, and accordingly the plurality of connecting rods 21 are pushed to move through the support rods 20, and the movable box 4 is driven to move outside the guide rods 3.

Wherein: the clamp plate 8 slidable mounting is in soil sample box 6 inboard, and clamp plate 8 shaft cross section size matches with soil sample box 6 inboard axle cross section size, and clamp plate 8 moves down in soil sample box 6, can press the soil sample of lower cavity 5 and soil sample box 6 inboard.

Wherein: the conflict subassembly includes L shape guide bar 12 and mounting panel 15, L shape guide bar 12 outside slidable mounting has conflict board 13, conflict board 13 axial cross-section is triangle-shaped, the one side of conflict board 13 slope is contradicted with conflict pole 11, conflict board 13 one side fixed mounting has screw thread piece 14, mounting panel 15 one side movable mounting has threaded rod 16, threaded rod 16 screw thread runs through screw thread piece 14, the one end fixed mounting who keeps away from mounting panel 15 of threaded rod 16 has knob 17, drive threaded rod 16 through rotating knob 17 and rotate, and then drive screw thread piece 14 and remove in the threaded rod 16 outside, screw thread piece 14 drives conflict board 13 motion and contradicts with conflict pole 11, conflict board 13 contradicts and support feeler lever 11 downstream.

Working principle: the utility model relates to a highway shear test detection device, after a soil sample is placed in a lower cavity 5, a soil sample box 6 is covered on the top of a movable box 4, the soil sample box 6 is abutted against one end of a dial indicator assembly 22, then a threaded rod 16 is driven to rotate by a rotary knob 17, a threaded block 14 is driven to move outside the threaded rod 16, a threaded block 14 drives an abutting plate 13 to move and abut against an abutting rod 11, the abutting plate 13 abuts against the abutting rod 11 to move downwards, a pressing plate 8 is driven to move downwards by a sliding rod 9 and a pressure test device 10, vertical pressure is applied to the soil sample, and the pressure test device 10 can detect the applied vertical pressure;

After the adjustment is finished, the switch of the electric push rod 18 is turned on, the lifting plate 19 is driven to move downwards, the support rods 20 are used for pushing the connecting rods 21 to move, the moving box 4 is driven to move outside the guide rods 3 until the soil sample is completely destroyed, the shearing test work under different vertical pressures is synchronously finished, and the shearing force measurement efficiency is improved.

What is not described in detail in this specification is prior art known to those skilled in the art.

Although the present utility model has been described with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements and changes may be made without departing from the spirit and principles of the present utility model.

Claims

1. The utility model provides a highway shear test detection device, includes bottom plate (1), its characterized in that: the top surface of the bottom plate (1) is welded with a fixed block (2), a plurality of guide rods (3) are welded on the outer side of the fixed block (2), a moving box (4) is slidably installed on the outer side of the guide rods (3), a lower cavity (5) is formed in the top surface of the moving box (4), a soil sample box (6) is arranged at the top of the moving box (4), and a moving assembly for driving the moving box (4) to move is arranged on the top surface of the fixed block (2);

The soil sample box (6) outside welding has support frame (7), support frame (7) surface sliding mounting has slide bar (9), slide bar (9) one end fixed mounting has to touch pole (11), slide bar (9) are kept away from the one end fixed mounting that touches touch pole (11) and are had pressure test equipment (10), pressure test equipment (10) detection end fixed mounting has clamp plate (8), in clamp plate (8) passed soil sample box (6), support frame (7) one side is provided with the conflict subassembly that is used for driving to touch pole (11) motion.

2. The highway shear test detection apparatus according to claim 1, wherein: one side of the guide rod (3) is fixedly provided with a dial indicator assembly (22) which can be abutted against the soil sample box (6).

3. The highway shear test detection apparatus according to claim 1, wherein: the movable assembly comprises an electric push rod (18), the electric push rod (18) is fixedly arranged on the top surface of the fixed block (2) through a bolt, a lifting plate (19) is fixedly arranged at the output end of the electric push rod (18), a plurality of support rods (20) are hinged to the outer side of the lifting plate (19), one ends, far away from the lifting plate (19), of the support rods (20) are hinged to a connecting rod (21), and the connecting rod (21) is welded to one side of the movable box (4).

4. The highway shear test detection apparatus according to claim 1, wherein: the abutting rod (11) is cylindrical.

5. The highway shear test detection apparatus according to claim 1, wherein: the pressing plate (8) is slidably mounted on the inner side of the soil sample box (6), and the axial section size of the pressing plate (8) is matched with the axial section size of the inner side of the soil sample box (6).

6. The highway shear test detection apparatus according to claim 1, wherein: the utility model discloses a device for preventing interference, including L shape guide bar (12) and mounting panel (15), L shape guide bar (12) outside slidable mounting has conflict board (13), conflict board (13) axial cross-section is triangle-shaped, conflict board (13) inclined one side is contradicted with conflict pole (11), conflict board (13) one side fixed mounting has screw thread piece (14), mounting panel (15) one side movable mounting has threaded rod (16), threaded rod (16) screw thread runs through screw thread piece (14), one end fixed mounting that mounting panel (15) were kept away from to threaded rod (16) has knob (17).