CN219573794U - Asphalt mixture bending creep test device - Google Patents

Abstract

The utility model provides an asphalt mixture bending creep test device, which belongs to the technical field of asphalt detection instruments and comprises a cabinet body, wherein one side of the cabinet body is hinged with a cabinet door, a transparent window is arranged on the cabinet door, the top of the inner side of the cabinet body is fixedly connected with a hydraulic cylinder, the bottom of the hydraulic cylinder is fixedly connected with a pressure sensor, the bottom of the pressure sensor is fixedly connected with a pressure rod, the bottom of the pressure rod is fixedly connected with a pressure head, a temperature sensor and a linear differential displacement sensor are arranged in the cabinet body, constant-temperature bath is arranged at the bottom of the inner side of the cabinet body, and lifting mechanisms are arranged at two sides of the inner side of the cabinet body. This asphalt mixture bending creep test device, through the cooperation between curb plate, draw-in groove, fixture block, connecting plate and the box body, the material sediment that produces in the test process is collected, makes the clearance labour saving and time saving of material sediment, and it is more convenient to use.

Description

Asphalt mixture bending creep test device

Technical Field

The utility model belongs to the technical field of asphalt detection instruments, and particularly relates to an asphalt mixture bending creep test device.

Background

Under the action of running load, the asphalt pavement can generate larger shearing deformation, and waves, pushing, hugging and rutting appear. Under the influence of temperature, when the temperature is reduced, the asphalt pavement can shrink, the pavement can crack, the low-temperature shrinkage crack is related to the low-temperature quality of asphalt and the shrinkage of asphalt mixture, a creep test is a better method for researching the low-temperature crack resistance of the asphalt mixture, and a bending creep test is the best mode for testing the creep of the asphalt mixture due to small loading and simple test.

Through searching, the Chinese published patent application number: 2015120806965. X discloses a asphalt mixture bending creep test device, including servo motor, speed reducer and frame, be provided with high low temperature environment test case in the frame, high low temperature environment test case upper end connect the last pressure device, the lower extreme is provided with the strutting arrangement corresponding with last pressure device. The device can improve the safety of equipment operation by arranging the limiting block and the ascending over-position protection block. But when the device is used, the slag generated by crushing the asphalt mixture can directly fall into the box body, so that the cleaning of the slag is time-consuming and labor-consuming, and the device is inconvenient to use.

Disclosure of Invention

The utility model aims to provide an asphalt mixture bending creep test device, and aims to solve the problem that the asphalt mixture bending creep test device in the prior art is inconvenient to clean falling slag.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides an asphalt mixture bending creep test device, includes the cabinet body, one side of the cabinet body articulates there is the cabinet door, be provided with transparent window on the cabinet door, the inboard top fixedly connected with pneumatic cylinder of the cabinet body, the bottom fixedly connected with pressure sensor of pneumatic cylinder, the bottom fixedly connected with depression bar of pressure sensor, the bottom fixedly connected with pressure head of depression bar, the inside of the cabinet body is provided with temperature sensor and linear differential displacement sensor, the inboard bottom of the cabinet body is provided with constant temperature bath, the inside both sides of the cabinet body all are provided with elevating system, fixedly connected with curb plate on the elevating system, bottom one side fixedly connected with supporting shoe of curb plate, the draw-in groove has been seted up to one side that the supporting shoe was kept away from to the curb plate, the below of supporting shoe is provided with the box body, the equal fixedly connected with connecting plate in both sides of box body, the top one side fixedly connected with fixture block of connecting plate, fixture block and draw-in groove looks adaptation.

As one preferable mode of the utility model, the lifting mechanism comprises a motor and a connecting rod which are fixedly connected with the cabinet body, an output shaft of the motor is fixedly connected with a screw rod, the screw rod is rotationally connected with the cabinet body, a transverse plate is connected with the outer side of the screw rod in a threaded manner, one end of the transverse plate is sleeved on the outer side of the connecting rod, and the transverse plate is fixedly connected with the side plate.

Preferably, the cross plates are two, and the two cross plates are in threaded connection with the screw rod.

Preferably, the upper surface of the supporting block is provided with a groove.

Preferably, the top side wall of the case is flared outwardly.

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

1. this asphalt mixture bending creep test device, through the cooperation between curb plate, draw-in groove, fixture block, connecting plate and the box body, the material sediment that produces in the test process is collected, makes the clearance labour saving and time saving of material sediment, and it is more convenient to use.

2. This bituminous mixture bending creep test device through set up two diaphragms in one side of curb plate, can improve the stability after the curb plate atress, through setting up the box body of outside open of top lateral wall, can increase box body open-ended area, is favorable to the material sediment to drop in the inside of box body, and is cleaner thoroughly to the collection of material sediment.

Drawings

The accompanying drawings are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate the utility model and together with the embodiments of the utility model, serve to explain the utility model. In the drawings:

FIG. 1 is a schematic perspective view of the present utility model;

FIG. 2 is a schematic view of the internal structure of the cabinet according to the present utility model;

fig. 3 is an enlarged schematic view of the structure of fig. 2 a according to the present utility model.

In the figure: 1. a cabinet body; 2. a cabinet door; 3. a transparent window; 4. constant temperature bath; 5. a hydraulic cylinder; 6. a pressure sensor; 7. a compression bar; 8. a pressure head; 9. a screw; 10. a connecting rod; 11. a motor; 12. a cross plate; 13. a side plate; 14. a support block; 15. a temperature sensor; 16. a linear differential displacement sensor; 17. a case body; 18. a groove; 19. a clamping groove; 20. a connecting plate; 21. and (5) clamping blocks.

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.

Examples

Referring to fig. 1-3, the present utility model provides the following technical solutions: the utility model provides an asphalt mixture bending creep test device, the power distribution cabinet comprises a cabinet body 1, one side of the cabinet body 1 articulates there is cabinet door 2, be provided with transparent window 3 on the cabinet door 2, the inboard top fixedly connected with pneumatic cylinder 5 of the cabinet body 1, the bottom fixedly connected with pressure sensor 6 of pneumatic cylinder 5, the bottom fixedly connected with depression bar 7 of pressure sensor 6, the bottom fixedly connected with pressure head 8 of depression bar 7, the inside of the cabinet body 1 is provided with temperature sensor 15 and linear differential displacement sensor 16, the inboard bottom of the cabinet body 1 is provided with constant temperature bath 4, the inside both sides of the cabinet body 1 all are provided with elevating system, fixedly connected with curb plate 13 on the elevating system, bottom one side fixedly connected with supporting shoe 14 of curb plate 13, draw-in groove 19 has been seted up to one side that the supporting shoe 14 was kept away from to curb plate 13, the below of supporting shoe 14 is provided with box body 17, the both sides of box body 17 are all fixedly connected with connecting plate 20, the top one side fixedly connected with fixture block 21 of connecting plate 20, fixture block 21 and the looks adaptation of draw-in groove 19.

In the specific embodiment of the utility model, an asphalt mixture plate is placed on the top of a supporting block 14, then a lifting mechanism is started, the lifting mechanism drives a side plate 13 and the supporting block 14 to enable the asphalt mixture plate to enter the constant temperature bath 4, the temperature of the constant temperature bath 4 is adjusted according to test requirements, the asphalt mixture plate is heated or cooled, after the temperature of the asphalt mixture plate is the same as the internal temperature of the constant temperature bath 4, the side plate 13 and the supporting block 14 are lifted by the lifting mechanism, so that the asphalt mixture plate is moved out of the constant temperature bath 4, a cabinet door 2 is opened, a box body 17 is placed in the cabinet body 1, a clamping block 21 is combined with a clamping groove 19, a temperature sensor 15 detects the temperature of the asphalt mixture plate, a hydraulic cylinder 5 is started, the hydraulic cylinder 5 drives a pressing rod 7 and a pressing head 8 to move, the pressing head 8 pressurizes the asphalt mixture plate, a pressure sensor 6 monitors the pressure, and a linear differential displacement sensor 16 monitors deformation of the asphalt mixture plate; in the test process, the slag generated by the asphalt mixture plate can fall into the box body 17, and after the test is completed, the box body 17 can be taken out from the cabinet body 1, so that the slag is cleaned, time and labor are saved, and the use is more convenient.

Specifically, elevating system includes motor 11 and connecting rod 10 with cabinet body 1 fixed connection, and the output shaft fixedly connected with screw rod 9 of motor 11, screw rod 9 and cabinet body 1 rotate to be connected, and the outside threaded connection of screw rod 9 has diaphragm 12, and the outside at connecting rod 10 is established to diaphragm 12's one end cover, diaphragm 12 and curb plate 13 fixed connection.

In this embodiment: the output shaft of the motor 11 of the lifting mechanism at two sides inside the cabinet body 1 drives the screw rod 9 to rotate, the connecting rod 10 limits the transverse plate 12, the transverse plate 12 drives the side plate 13 to move, and the side plate 13 drives the supporting block 14 to move.

Specifically, there are two cross plates 12, and both cross plates 12 are in threaded connection with the screw 9.

In this embodiment: by arranging the two transverse plates 12 on the side surfaces of the side plates 13, the stress of the side plates 13 is more uniform and stable, and the stability after the stress can be improved.

Specifically, the upper surface of the support block 14 is provided with a recess 18.

In this embodiment: the asphalt mixture plate placed on the surface of the supporting block 14 is limited by the groove 18, so that the asphalt mixture plate is more stable in movement.

Specifically, the top side wall of the case 17 flares outwardly.

In this embodiment: through setting up box body 17 that top lateral wall outwards opened, can increase box body 17 open-ended area, be favorable to the dregs of a material to fall in the inside of box body 17, collect more cleanly thoroughly to the dregs of a material.

Finally, it should be noted that: the foregoing description is only a preferred embodiment of the present utility model, and the present utility model is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present utility model has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims (5)

1. Asphalt mixture bending creep test device, including cabinet body (1), its characterized in that: one side of the cabinet body (1) is hinged with a cabinet door (2), a transparent window (3) is arranged on the cabinet door (2), a hydraulic cylinder (5) is fixedly connected to the inner side top of the cabinet body (1), a pressure sensor (6) is fixedly connected to the bottom of the hydraulic cylinder (5), a pressing rod (7) is fixedly connected to the bottom of the pressure sensor (6), a pressing head (8) is fixedly connected to the bottom of the pressing rod (7), a temperature sensor (15) and a linear differential displacement sensor (16) are arranged in the cabinet body (1), a constant temperature bath (4) is arranged at the inner side bottom of the cabinet body (1), lifting mechanisms are arranged on two sides of the inner side of the cabinet body (1), a side plate (13) is fixedly connected with a supporting block (14), a clamping groove (19) is formed in one side of the side plate (13) away from the supporting block (14), a box body (17) is arranged below the supporting block (14), two sides of the box body (17) are fixedly connected with a clamping plate (20) and a clamping block (21) are fixedly connected to one side of the clamping block (21).

2. The asphalt mixture bending creep test apparatus according to claim 1, wherein: the lifting mechanism comprises a motor (11) and a connecting rod (10) which are fixedly connected with the cabinet body (1), wherein the output shaft of the motor (11) is fixedly connected with a screw rod (9), the screw rod (9) is rotationally connected with the cabinet body (1), a transverse plate (12) is connected with the outer side of the screw rod (9) in a threaded manner, one end of the transverse plate (12) is sleeved on the outer side of the connecting rod (10), and the transverse plate (12) is fixedly connected with the side plate (13).

3. The asphalt mixture bending creep test apparatus according to claim 2, wherein: two transverse plates (12) are arranged, and the two transverse plates (12) are in threaded connection with the screw rod (9).

4. The asphalt mixture bending creep test apparatus according to claim 1, wherein: the upper surface of the supporting block (14) is provided with a groove (18).

5. The asphalt mixture bending creep test apparatus according to claim 1, wherein: the top side wall of the box body (17) is outwards opened.