CN212932251U

CN212932251U - Asphalt concrete shear strength detection device

Info

Publication number: CN212932251U
Application number: CN202021826744.6U
Authority: CN
Inventors: 陈涛; 李纯联
Original assignee: Anhui Zhongzhe Construction Co ltd
Current assignee: Anhui Zhongzhe Construction Co ltd
Priority date: 2020-08-27
Filing date: 2020-08-27
Publication date: 2021-04-09
Anticipated expiration: 2030-08-27

Abstract

The utility model relates to the technical field of concrete strength detection equipment, and discloses an asphalt concrete shear strength detection device, which comprises a detection box body, wherein a cylinder is fixedly arranged on the upper surface of the detection box body, a detection protection component is movably arranged on the front surface of the detection box body, a horizontal fixing device is fixedly arranged on the inner bottom surface of the detection box body, a shear plate is arranged in the detection box body right above the horizontal fixing device to horizontally clamp and fix asphalt concrete blocks, so that the displacement in the process of detecting the shear strength is prevented, the precision of strength detection is improved, a visual window is utilized to observe the shear strength asphalt concrete blocks and simultaneously observe a pressure gauge of the cylinder for experimental record by sliding a protection door in a chute at the inner side of a limiting plate, and the personnel protection is carried out on detection personnel while the change of the asphalt concrete blocks is not recorded, avoid the cracked splash of asphalt concrete piece, cause the injury to measurement personnel.

Description

Asphalt concrete shear strength detection device

Technical Field

The utility model relates to a concrete strength check out test set technical field specifically is an asphalt concrete shear strength detection device.

Background

Shear resistance is the short term for the shear strength characteristic of soil, and is a very important engineering geological property for researching the stability of soil mass, and the shear strength is the ultimate strength of the soil against shear failure. The destruction of many building foundations. Sliding of artificial and natural slopes, as well as retaining wall movement and inclination, etc., are caused by shear stresses within the soil exceeding its own shear strength.

But the equipment for detecting the shear strength of the asphalt concrete is too simple and crude at present, and in the process of detecting the shear strength, the concrete blocks are easy to move horizontally, and the broken concrete stones splash, so that the safety of a detector is threatened. Accordingly, one skilled in the art provides an apparatus for testing shear strength of asphalt concrete to solve the above problems in the background art.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an asphalt concrete shear strength detection device to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

the asphalt concrete shear strength detection device comprises a detection box body, wherein an air cylinder is fixedly arranged on the upper surface of the detection box body, a detection protection assembly is movably arranged on the front surface of the detection box body, a horizontal fixing device is fixedly arranged on the bottom surface of the interior of the detection box body, and a shear plate is arranged in the interior of the detection box body and right above the horizontal fixing device;

the horizontal fixing device comprises a base, wherein fixed blocks are fixedly arranged on two sides of the upper surface of the base, supporting plates are movably arranged on the inner sides of the fixed blocks on the upper surface of the base, a pressure plate is fixedly arranged on one side, close to the fixed blocks, of the supporting plates, an installation groove is formed in the fixed blocks, a stress rod is fixedly arranged on the side surface of the pressure plate in the installation groove, and an adjusting screw rod is movably arranged in the installation groove and above the stress rod;

the detection protection assembly comprises a limiting plate, a sliding groove is formed in the limiting plate, a stop block is fixedly mounted at one end of the limiting plate, a protection door is movably mounted at the other end of the limiting plate, a visual window is embedded in the protection door, a side plate is fixedly mounted on one side of the protection door far away from the stop block, and a handrail is fixedly mounted on one side of the side plate far away from the protection door.

As a further aspect of the present invention: the upper surface of base has seted up the spacing groove under the backup pad, the lower fixed surface of backup pad installs the stopper, the stopper has the spring at the one side fixed mounting who is close to the fixed block.

As a further aspect of the present invention: the limiting block is slidably mounted with the limiting groove, and the adjusting screw rod is connected with the mounting groove through threads.

As a further aspect of the present invention: the protective door is connected with the sliding groove in a sliding mode, and the side face of the limiting plate and the side face corresponding to the side plate are fixed in an adsorption mode through a magnet.

As a further aspect of the present invention: the visual window is made of a steel wire mesh material.

As a further aspect of the present invention: the upper surface of the shear plate is fixedly connected with the transmission end of the cylinder.

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

the utility model discloses a screw thread moves down at mounting groove internal rotation adjusting screw, to the crowded atress pole that moves in the mounting groove outside, promote pressure plate and backup pad through the atress pole and put the removal to base central point, thereby it is fixed to carry out horizontal centre gripping to the asphalt concrete piece, prevent to take place the displacement in shear strength testing process, the precision of improvement intensity detection, and through sliding protective door in the inboard spout of limiting plate, the side through the limiting plate adsorbs fixedly with the magnetite of the side that the curb plate corresponds, utilize the visual window to observe the shear strength asphalt concrete piece and observe the manometer of cylinder simultaneously and experiment record, when not hindering the change of record asphalt concrete piece, carry out the personal protection to the measurement personnel, avoid the asphalt concrete piece cracked, cause the injury to the measurement personnel.

Drawings

FIG. 1 is a schematic structural diagram of an asphalt concrete shear strength testing device;

FIG. 2 is a schematic structural diagram of a horizontal fixing device in the asphalt concrete shear strength testing device;

fig. 3 is a schematic structural diagram of a detection protection assembly in the asphalt concrete shear strength detection device.

In the figure: 1. detecting the box body; 2. a cylinder; 3. a shear plate; 4. a horizontal fixing device; 41. a pressure plate; 42. a support plate; 43. a base; 44. adjusting the screw rod; 45. a fixed block; 46. mounting grooves; 47. a limiting block; 48. a limiting groove; 49. a stress beam; 410. a spring; 5. detecting a protection component; 51. a chute; 52. a limiting plate; 53. a protective door; 54. a side plate; 55. a handrail; 56. a visual window; 57. and a stop block.

Detailed Description

Referring to fig. 1 to 3, in an embodiment of the present invention, an asphalt concrete shear strength detecting device includes a detecting box 1, a cylinder 2 is fixedly installed on an upper surface of the detecting box 1, a detecting protection component 5 is movably installed on a front surface of the detecting box 1, a horizontal fixing device 4 is fixedly installed on an inner bottom surface of the detecting box 1, the horizontal fixing device 4 includes a base 43, fixing blocks 45 are fixedly installed on both sides of an upper surface of the base 43, a supporting plate 42 is movably installed on an inner side of the fixing block 45 on the upper surface of the base 43, a limiting groove 48 is formed in an upper surface of the base 43 under the supporting plate 42, a limiting block 47 is fixedly installed on a lower surface of the supporting plate 42, the limiting block 47 and the limiting groove 48 are slidably installed, a spring 410 is fixedly installed on one side of the limiting block 47, a pressure plate 41 is fixedly installed on one side of the supporting plate 42, mounting groove 46 has been seted up to the inside of fixed block 45, the side of pressure plate 41 has stress rod 49 at the inside fixed mounting of mounting groove 46, there is adjusting screw 44 in the inside of mounting groove 46 movable mounting directly over stress rod 49, adjusting screw 44 passes through threaded connection with mounting groove 46, through the screw thread at mounting groove 46 internal rotation adjusting screw 44 down, stress rod 49 is crowded to the mounting groove 46 outside, promote pressure plate 41 and backup pad 42 through stress rod 49 and move to base 43 central point, thereby it is fixed to carry out horizontal centre gripping to the asphalt concrete piece, prevent to take place the displacement in the shear strength testing process, the precision that the improvement intensity detected, and detect the inside of box 1 and be provided with shear plate 3 directly over horizontal fixing device 4, the upper surface of shear plate 3 and the transmission end fixed connection of cylinder 2.

In fig. 3: the detection protection component 5 comprises a limit plate 52, a chute 51 is arranged in the limit plate 52, a stop 57 is fixedly arranged at one end of the limit plate 52, a protection door 53 is movably arranged at the other end of the limit plate 52, the protection door 53 is in sliding connection with the chute 51, a visual window 56 is embedded in the protection door 53, the visual window 56 is made of steel wire mesh, a side plate 54 is fixedly arranged at one side of the protection door 53 far away from the stop 57, the side surface of the limit plate 52 and the side surface corresponding to the side plate 54 are fixed through magnet adsorption, a handrail 55 is fixedly arranged at one side of the side plate 54 far away from the protection door 53, through sliding the protection door in the chute at the inner side of the limit plate, the side surface of the limit plate 52 and the magnet at the side surface corresponding to the side plate 54 are fixed through magnet adsorption, the visual window 56 is used for observing the, when not hindering record asphalt concrete piece and changing, carry out the personal protection to measurement personnel, avoid the asphalt concrete piece cracked to splash, cause the injury to measurement personnel.

The utility model discloses a theory of operation is: firstly, the asphalt concrete block is placed on the surfaces of two supporting plates 42 in a detection box body 1, a stress rod 49 pushes a pressure plate 41 and the two supporting plates 42 to move towards the center on the surface of a base 43 by rotating an adjusting screw 44 downwards, meanwhile, a limiting block 47 pulls a spring 410 to move towards the center in a limiting groove 48 along with the supporting plates 42, so that the asphalt concrete block is horizontally clamped and fixed, the displacement is prevented in the shearing strength detection process, the strength detection accuracy is improved, then, a handrail 55 is pushed, a side plate 54 pushes a protective door 53 to slide towards a stop block 57 in a sliding groove 51 arranged in the limiting plate 52, the side surface of the limiting plate 52 is adsorbed and fixed with a magnet on the side surface corresponding to the side plate 54, a cylinder 2 drives a shearing plate 3 to press down to the asphalt concrete block, the shearing strength asphalt concrete block is observed by utilizing a visual window 56, and the pressure gauge of the cylinder 2 is simultaneously observed for experimental record, when not hindering record asphalt concrete piece and changing, carry out the personal protection to measurement personnel, avoid the asphalt concrete piece cracked to splash, cause the injury to measurement personnel, after the detection, through handrail 55 to dog 57 opposite direction pulling guard gate 53, then rotatory adjusting screw 44 upwards, break away from with the contact of atress pole 49, spring 410 pulling stopper 47 in the spacing groove 48 resets to both sides, stopper 47 drives backup pad 42 and resets to both sides and breaks away from with the asphalt concrete piece and takes out.

The above, only be the specific implementation of the preferred embodiment of the present invention, but the utility model discloses a protection scope is not limited to this, and any technical personnel who is familiar with this technical field are in the utility model discloses a technical scheme and utility model thereof think of and equate bituminous concrete shear strength detection device or change in addition, all should be covered within the protection scope of the utility model.

Claims

1. The asphalt concrete shear strength detection device comprises a detection box body (1), and is characterized in that an air cylinder (2) is fixedly mounted on the upper surface of the detection box body (1), a detection protection component (5) is movably mounted on the front surface of the detection box body (1), a horizontal fixing device (4) is fixedly mounted on the bottom surface of the interior of the detection box body (1), and a shear plate (3) is arranged in the interior of the detection box body (1) right above the horizontal fixing device (4);

the horizontal fixing device (4) comprises a base (43), fixing blocks (45) are fixedly mounted on two sides of the upper surface of the base (43), supporting plates (42) are movably mounted on the inner sides of the fixing blocks (45) of the upper surface of the base (43), a pressure plate (41) is fixedly mounted on one side, close to the fixing blocks (45), of each supporting plate (42), a mounting groove (46) is formed in the fixing block (45), a stress rod (49) is fixedly mounted on the inner side, located in the mounting groove (46), of the side surface of each pressure plate (41), and an adjusting screw rod (44) is movably mounted in the mounting groove (46) and located right above the stress rod (49);

detect protection component (5) including limiting plate (52), spout (51) have been seted up to the inside of limiting plate (52), and the one end fixed mounting of limiting plate (52) has dog (57), the other end movable mounting of limiting plate (52) has guard gate (53), visual window (56) are installed in the inside embedding of guard gate (53), and guard gate (53) have curb plate (54) in the one side fixed mounting who keeps away from dog (57), curb plate (54) have handrail (55) in the one side fixed mounting who keeps away from guard gate (53).

2. The asphalt concrete shear strength detection device according to claim 1, wherein a limiting groove (48) is formed in the upper surface of the base (43) right below the support plate (42), a limiting block (47) is fixedly mounted on the lower surface of the support plate (42), and a spring (410) is fixedly mounted on one side, close to the fixing block (45), of the limiting block (47).

3. The asphalt concrete shear strength detection device according to claim 2, wherein the limiting block (47) is slidably mounted with the limiting groove (48), and the adjusting screw (44) is in threaded connection with the mounting groove (46).

4. The asphalt concrete shear strength detection device according to claim 1, wherein the protection door (53) is slidably connected with the chute (51), and the side surface of the limit plate (52) and the side surface corresponding to the side plate (54) are fixed by magnet adsorption.

5. The asphalt concrete shear strength detection device according to claim 1, wherein the visual window (56) is made of steel wire mesh.

6. The asphalt concrete shear strength detection device according to claim 1, wherein the upper surface of the shear plate (3) is fixedly connected with the transmission end of the cylinder (2).