CN220136890U

CN220136890U - Asphalt ductility tester

Info

Publication number: CN220136890U
Application number: CN202321532486.4U
Authority: CN
Inventors: 南国斌; 侯生茂; 宋建立
Original assignee: Qinghai Yucai Highway Engineering Supervision Co ltd
Current assignee: Qinghai Yucai Highway Engineering Supervision Co ltd
Priority date: 2023-06-15
Filing date: 2023-06-15
Publication date: 2023-12-05
Anticipated expiration: 2033-06-15

Abstract

The utility model discloses an asphalt ductility tester, which belongs to the field of material testing instruments, and comprises a fixing frame, a soaking tank and a measuring tank, wherein a rotating motor is fixedly connected to the inner wall of the bottom of the fixing frame, the output end of the rotating motor penetrates through the fixing frame and is fixedly connected with a supporting plate, the top of the supporting plate is fixedly connected with a cylinder, the output end of the cylinder penetrates through the supporting plate and is fixedly connected with a fixed block, the bottom of the fixed block is connected with a test die, and a test die bottom plate is arranged in the soaking tank; the asphalt on the test mould is driven to move into the soaking pool through the air cylinder to be soaked, then the air cylinder drives the test mould to reset, the asphalt on the test mould is driven by the rotating motor to move to the upper part of the measuring pool, the test mould is inserted into the sliding block and the supporting block in the measuring pool through the air cylinder, the screw rod is restarted to drive the sliding block to move for measuring the asphalt, and the whole ductility measuring process does not need manual contact with the asphalt and liquid, so that the measuring use convenience is improved.

Description

Asphalt ductility tester

Technical Field

The utility model relates to the technical field of material testing instruments, in particular to an asphalt ductility tester.

Background

Asphalt is a highly viscous liquid that is commonly used as a pavement structural cement in road engineering. The ductility of asphalt refers to the maximum length that unit volume of asphalt can be stretched, and the ductility requirements of road surfaces with different requirements on different road sections on asphalt are also different, so that the ductility test on asphalt is particularly important.

In the prior art, ductility determination is carried out on asphalt, most of determination processes are completed by manual operation of experimental staff, repeated connection with asphalt, soaking and determination liquid is needed in the operation process, on one hand, contact with asphalt easily causes pollution to asphalt, and long-time contact with soaking liquid and determination liquid also causes injury to manpower.

Disclosure of Invention

In order to overcome the technical problems, the utility model aims to provide an asphalt ductility tester, which solves the problems that most of the testing processes in the prior art are needed to be manually operated by experimenters, and the asphalt, the soaking and the testing liquid are needed to be repeatedly contacted in the operation process, so that the asphalt is easily polluted by the contact of the asphalt, and the manual injury is caused by the contact of the asphalt with the soaking liquid and the testing liquid for a long time.

The aim of the utility model can be achieved by the following technical scheme:

the utility model provides an asphalt ductility apparatus, includes mount, soaking tank and measuring tank, mount bottom inner wall fixedly connected with rotating electrical machines, the rotating electrical machines output runs through mount and fixedly connected with backup pad, backup pad top fixedly connected with cylinder, the cylinder output runs through backup pad and fixedly connected with fixed block, the fixed block bottom is connected with the examination mould, the inside examination mould bottom plate that is provided with of soaking tank, examination mould pastes with examination mould bottom plate top mutually.

As a further scheme of the utility model: the test die comprises two groups of clamping plates and two groups of baffle plates, wherein a fixing plate is fixedly connected to one side of the fixing block, the bottom of the fixing plate is connected with one group of clamping plates, a sliding rod is fixedly connected to the other side of the fixing block, a moving plate is slidably connected to the outer wall of the sliding rod, and the bottom of the moving plate is connected with the other group of clamping plates.

As a further scheme of the utility model: two groups of baffle bottoms fixedly connected with ejector rods, the ejector rods slide on the test die bottom plate.

As a further scheme of the utility model: the inside fixedly connected with sliding sleeve of soaking pond, sliding sleeve inside sliding connection has the lifter, test die bottom plate fixed connection is at the lifter top, the inside spring that is provided with of sliding sleeve, the both ends of spring offset with sliding sleeve and lifter respectively.

As a further scheme of the utility model: the inside rotation of measuring cell is connected with the lead screw, lead screw outer wall threaded connection has the slider, the inside fixedly connected with supporting shoe of measuring cell, the equal fixedly connected with gag lever post in supporting shoe and slider top.

As a further scheme of the utility model: the inner walls of the two sides of the measuring tank are provided with scale grooves, the two sides of the top of the sliding block are fixedly connected with finger plates, and the two finger plates are respectively attached to the inner walls of the two sides of the measuring tank.

The utility model has the beneficial effects that:

according to the utility model, the air cylinder drives the asphalt on the test die to move into the soaking tank for soaking, then the air cylinder drives the test die to reset, then the rotating motor drives the asphalt on the test die to move to the upper part of the measuring tank, the test die is inserted into the sliding block and the supporting block in the measuring tank through the air cylinder, the screw rod is started to drive the sliding block to move for measuring the asphalt, the whole ductility measuring process does not need to be manually contacted with the asphalt and the liquid, the pollution of the asphalt caused by the manual work and the damage of the measuring liquid to the human body are avoided, and the measuring convenience is improved.

Drawings

The utility model is further described below with reference to the accompanying drawings.

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

FIG. 2 is a schematic diagram of the structure of the utility model in a front view in operation;

FIG. 3 is a schematic left-hand view of the fixing block of the present utility model;

FIG. 4 is a schematic diagram of the connection structure of the sliding sleeve and the test die bottom plate in the utility model;

FIG. 5 is a schematic diagram of the overall structure of the pilot die of the present utility model.

In the figure: 1. a fixing frame; 2. a soaking pool; 3. a measuring cell; 4. a rotating electric machine; 401. a support plate; 402. a cylinder; 5. a fixed block; 501. a fixing plate; 502. a slide bar; 503. a moving plate; 6. testing a mold; 601. a clamping plate; 602. a baffle; 6021. a push rod; 7. a test die bottom plate; 701. a sliding sleeve; 702. a lifting rod; 703. a spring; 8. a screw rod; 801. a slide block; 802. a support block; 803. a limit rod; 9. a finger plate; 901. a scale groove.

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.

As shown in fig. 1-5, an asphalt ductility tester comprises a fixing frame 1, a soaking tank 2 for soaking asphalt at a constant temperature and a measuring tank 3 for measuring ductility of asphalt, wherein the inner wall of the bottom of the fixing frame 1 is fixedly connected with a rotating motor 4, the output end of the rotating motor 4 penetrates through the fixing frame 1 and is fixedly connected with a supporting plate 401, the top of the supporting plate 401 is fixedly connected with a cylinder 402, the output end of the cylinder 402 penetrates through the supporting plate 401 and is fixedly connected with a fixed block 5, the bottom of the fixed block 5 is connected with a test die 6, the inside of the soaking tank 2 is fixedly connected with a sliding sleeve 701, the inside of the sliding sleeve 701 is slidingly connected with a lifting rod 702, the top of the lifting rod 702 is fixedly connected with a test die bottom plate 7, a spring 703 is arranged in the sliding sleeve 701, two ends of the spring 703 respectively abut against the sliding sleeve 701 and the lifting rod 702, and the test die 6 is attached to the top of the test die bottom plate 7.

As shown in fig. 1 and 5, the above-mentioned test mold 6 includes two sets of clamping plates 601 and two sets of baffle plates 602, the two sets of clamping plates 601 limit the two ends of the asphalt poured inside the test mold 6, the two sets of baffle plates 602 block the asphalt inside the test mold 6, meanwhile, the two sets of baffle plates 602 are located between the two sets of clamping plates 601, and the opposite side of the two sets of clamping plates 601 is attached to form a closed enclosure, a fixing plate 501 is fixedly connected to one side of the fixing block 5, the bottom of the fixing plate 501 is connected with one set of clamping plates 601, the other side of the fixing block 5 is fixedly connected with a sliding rod 502, the outer wall of the sliding rod 502 is slidably connected with a moving plate 503, the bottom of the moving plate 503 is connected with the other set of clamping plates 601, the bottom of the two sets of baffle plates 602 is fixedly connected with a push rod 6021, the push rod 6021 slides on the test mold bottom plate 7, when the test mold 6 drives the asphalt to move inside the soaking pool 2, the test mold 6 pushes the test bottom plate 7 to move downwards, the two sets of push rod 6021 are pushed against the top of the sliding sleeve 701, and then the two sets of baffle plates 6021 push the two sets of baffle plates 601 to move upwards, and the asphalt is separated from the two sets of clamping plates 601.

As shown in fig. 1 and fig. 2, the inside rotation of the measuring tank 3 is connected with the lead screw 8, the outer wall of the lead screw 8 is in threaded connection with the sliding block 801, the inside fixedly connected with supporting block 802 of the measuring tank 3, the supporting block 802 and the top of the sliding block 801 are both fixedly connected with the limit bars 803, the scale grooves 901 are formed in the inner walls of the two sides of the measuring tank 3, the two groups of the finger plates 9 are respectively attached to the inner walls of the two sides of the measuring tank 3, the two groups of clamping plates 601 in the test mold 6 are respectively fixed through the limiting bars 803 on the sliding block 801 and the supporting block 802, then the lead screw 8 drives the sliding block 801 to move, the sliding block 801 pulls the group of clamping plates 601 through the limiting bars 803, so that the asphalt ductility measurement between the two groups of clamping plates 601 is realized, and meanwhile, the sliding block 801 moves the finger plates 9 on the scale grooves 901 on the inner wall of the measuring tank 3 to observe asphalt ductility values.

Each working process of the rotating motor 4 and the air cylinder 402 in the utility model can be controlled by manual operation, and each working time and stroke of the rotating motor 4 and the air cylinder 402 can be automatically operated by a controller, so that asphalt determination is completed.

The working principle of the utility model is as follows: when the device is used by a user, asphalt liquid is added into the test mould 6, asphalt is solidified, redundant asphalt at the top of the test mould 6 is scraped after the asphalt is solidified, then the air cylinder 402 is started, the fixed block 5 at the output end of the air cylinder 402 drives the test mould 6 to push the test mould bottom plate 7 downwards through the fixed plate 501, the lifting rod 702 at the bottom of the test mould bottom plate 7 slides in the sliding sleeve 701 to drive the test mould 6 to enter soaking liquid in the soaking tank 2 for soaking, the depth of the test mould 6 in the soaking tank 2 is that the test mould 6 is completely immersed in the soaking liquid, after the soaking is completed, the air cylinder 402 is started to push the test mould 6 to move downwards continuously, at the moment, the ejector rods 6021 at the bottoms of the two groups of baffles 602 are propped against the top of the sliding sleeve 701, the ejector rods 6021 drive the baffles 602 to move upwards, and the two sides of the asphalt in the test mould 6 move upwards so as to separate from the asphalt, then the air cylinder 402 is started to drive the test mould 6 to move upwards, meanwhile, the lifting rod 702 is pushed by the tension of the spring 703 to drive the test die bottom plate 7 to always keep being attached to the bottom of the test die 6 to move upwards, when the test die bottom plate 7 moves to the initial position, the air cylinder 402 drives the test die 6 to continue to move upwards, so that the clamping plate 601 in the test die 6 drives asphalt to move out of the test die bottom plate 7, the height of the clamping plate 601 moving upwards is higher than that of the baffle 602, then the rotating motor 4 is started, the rotating motor 4 drives the asphalt in the test die 6 to rotate to the upper part of the measuring pool 3 through the supporting plate 401, at the moment, two groups of clamping plates 601 in the test die 6 are respectively aligned with two groups of limiting rods 803 in the measuring pool 3, then the air cylinder 402 is started to drive the test die 6 to move downwards, then the two groups of clamping plates 601 are respectively fixed on the limiting rods 803 on the sliding block 801 and the supporting block 802, and the fixing of two sides of the asphalt is completed, then, a driving motor (shown in fig. 1) is started to drive a screw rod 8 to rotate, the screw rod 8 drives a sliding block 801 to move, a limiting rod 803 on the sliding block 801 drives a group of clamping plates 601 to move, a moving plate 503 at the top of the group of clamping plates 601 slides on a sliding rod 502 to conduct ductility test on asphalt inside the two groups of clamping plates 601, meanwhile, the sliding block 801 moves and drives a finger plate 9 to move, and measured ductility values are observed through cooperation of the finger plate 9 and a scale groove 901.

The foregoing describes one embodiment of the present utility model in detail, but the description is only a preferred embodiment of the present utility model and should not be construed as limiting the scope of the utility model. All equivalent changes and modifications within the scope of the present utility model are intended to be covered by the present utility model.

Claims

1. The utility model provides an asphalt ductility apparatus, includes mount (1), soaking tank (2) and measuring tank (3), its characterized in that, mount (1) bottom inner wall fixedly connected with rotating electrical machines (4), rotating electrical machines (4) output runs through mount (1) and fixedly connected with backup pad (401), backup pad (401) top fixedly connected with cylinder (402), cylinder (402) output runs through backup pad (401) and fixedly connected with fixed block (5), fixed block (5) bottom is connected with test pattern (6), inside test pattern bottom plate (7) that are provided with of soaking tank (2), test pattern (6) are pasted with test pattern bottom plate (7) top mutually.

2. The asphalt ductility tester according to claim 1, wherein the test mold (6) comprises two groups of clamping plates (601) and two groups of baffle plates (602), one side of the fixed block (5) is fixedly connected with a fixed plate (501), the bottom of the fixed plate (501) is connected with one group of clamping plates (601), the other side of the fixed block (5) is fixedly connected with a sliding rod (502), the outer wall of the sliding rod (502) is slidably connected with a movable plate (503), and the bottom of the movable plate (503) is connected with the other group of clamping plates (601).

3. An asphalt ductility tester according to claim 2, wherein the bottoms of the two groups of baffles (602) are fixedly connected with ejector rods (6021), and the ejector rods (6021) slide on the test floor (7).

4. The asphalt ductility tester according to claim 1, wherein the soaking tank (2) is fixedly connected with a sliding sleeve (701), a lifting rod (702) is slidably connected inside the sliding sleeve (701), the test die bottom plate (7) is fixedly connected to the top of the lifting rod (702), a spring (703) is arranged inside the sliding sleeve (701), and two ends of the spring (703) respectively abut against the sliding sleeve (701) and the lifting rod (702).

5. The asphalt ductility tester according to claim 1, wherein the inside of the measuring tank (3) is rotationally connected with a screw rod (8), the outer wall of the screw rod (8) is in threaded connection with a sliding block (801), a supporting block (802) is fixedly connected inside the measuring tank (3), and limiting rods (803) are fixedly connected to the tops of the supporting block (802) and the sliding block (801).

6. The asphalt ductility tester according to claim 5, wherein scale grooves (901) are formed in the inner walls of the two sides of the measuring tank (3), finger plates (9) are fixedly connected to the two sides of the top of the sliding block (801), and the two finger plates (9) are respectively attached to the inner walls of the two sides of the measuring tank (3).