CN216012930U

CN216012930U - Pavement low-temperature freezing-thawing splitting test device

Info

Publication number: CN216012930U
Application number: CN202122153352.9U
Authority: CN
Inventors: 张红威; 王中平; 宋春野; 齐明; 李莉; 刘高杨; 马辉; 袁振超; 刘华; 苗海燕; 杜飞; 赵瑞敏
Original assignee: Henan Traffic Investment Transportation Construction Group Co ltd
Current assignee: Henan Traffic Investment Transportation Construction Group Co ltd
Priority date: 2021-09-08
Filing date: 2021-09-08
Publication date: 2022-03-11
Anticipated expiration: 2031-09-08

Abstract

The utility model discloses a pavement low-temperature freezing and thawing splitting test device, which comprises a test bed, wherein the bottom of the test bed is provided with a supporting and moving assembly, the upper end surface of the test bed is provided with a water accumulation groove, the bottom of the water accumulation groove is symmetrically provided with two guide rails, the two guide rails are connected with an object stage through guide wheels, the side surface of the object stage is provided with a traction ring, the pavement low-temperature freezing and thawing splitting test device is convenient for quickly creating a low-temperature freezing and thawing environment for a test block by arranging a heat preservation cover, an industrial air conditioner, a thermometer and a spray head, the test efficiency and the test result accuracy are improved, the test block is convenient to carry out the splitting test under the low-temperature freezing and thawing condition by arranging a traction rope, a driving motor, an electric cylinder and a rolling roller, the excessive water convenient to arrange the water accumulation groove, a drain hole and a water collection box is collected, so that the splitting detection is conveniently carried out on the bituminous pavement during the low-temperature freezing and thawing process in a comprehensive way, so as to ensure the long-lasting property and the service life of the asphalt pavement when put into use.

Description

Pavement low-temperature freezing-thawing splitting test device

Technical Field

The utility model relates to a highway material low temperature check out test set technical field specifically is road surface low temperature freeze thawing cleavage test device.

Background

Because the territory area of China is wide, the span of the south and the north is large, the low-temperature range in winter is wide, and particularly in the northeast, the northwest and the southwest regions, the highway pavement is easy to freeze in winter rainy and snowy weather, a certain ice-melting material can be added into asphalt, so that the frozen pavement has self-ice-melting capability, but the asphalt pavement added with the ice-melting material is split in low-temperature freeze thawing, and therefore, a low-temperature freeze thawing splitting test needs to be carried out on the asphalt pavement added with the ice-melting material in a low-temperature freeze thawing state to prevent the asphalt pavement from splitting in the low-temperature freeze thawing.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to overcome current defect, provide road surface low temperature freeze thawing splitting test device, be convenient for carry out the splitting to bituminous paving when low temperature freeze thawing and detect to guarantee bituminous paving's long-term efficiency and life-span when dropping into the use, can effectively solve the problem in the background art.

In order to achieve the above object, the utility model provides a following technical scheme: the pavement low-temperature freezing-thawing splitting test device comprises a test bed, wherein a supporting and moving assembly is arranged at the bottom of the test bed, a water accumulating groove is formed in the upper end face of the test bed, two guide rails are symmetrically arranged at the bottom of the water accumulating groove, an object stage is connected onto the two guide rails through guide wheels, a traction ring is arranged on the side face of the object stage, a traction mechanism is arranged on the side face of the test bed, a heat preservation cover is arranged on the upper end face of the test bed, a spray head is arranged at the top of an inner cavity of the heat preservation cover and connected with a connecting water pipe, an industrial air conditioner is installed on the front end face of the heat preservation cover, a thermometer with a measuring end extending into the inner cavity of the heat preservation cover is arranged on the rear end face of the heat preservation cover, a closed door is hinged to the left end face of the heat preservation cover, an electric cylinder is arranged at the top of the inner cavity of the heat preservation cover, a rolling roller is installed at the bottom of the electric cylinder, and a drain hole is formed in the bottom of the water accumulating groove, and a water collecting assembly is arranged at the bottom of the test bed and at a position right below the drain hole.

As the utility model discloses a preferred technical scheme, support and remove the subassembly including establishing a plurality of supporting legs in test bench bottom four corners position department, the auto-lock universal wheel is installed to the bottom of supporting leg.

As an optimized technical scheme of the utility model, two the end connection of guide rail has the limiting plate.

As a preferred technical scheme of the utility model, drive mechanism includes erects the CD-ROM drive motor on the test bench through the link, be connected with the haulage rope on CD-ROM drive motor's the output shaft, the tip and the traction ring of haulage rope are connected.

As a preferred technical scheme of the utility model, the tip of connecting the water pipe is equipped with the flange who supplies water piping connection with the outside, install control flap on the connecting the water pipe.

As a preferred technical scheme of the utility model, observation window has been seted up to the rear end face that keeps warm the cover, install the transparent plate in the observation window.

As a preferred technical scheme of the utility model, the subassembly that catchments is including establishing the mount in the test bench bottom, sliding connection has the water-collecting box on the mount, the side of water-collecting box is equipped with the handle.

Compared with the prior art, the beneficial effects of the utility model are that: through setting up the cover that keeps warm, industrial-grade air conditioner, thermometer and shower nozzle are convenient for quick the environment of low temperature freeze thawing to the creation of test block, improve experimental efficiency and the accuracy of test result, be convenient for carry out the splitting test under the low temperature freeze thawing condition to the test block through setting up haulage rope, driving motor, electric cylinder and rolling roller, collect through setting up the unnecessary water of ponding groove, wash port and catchment box being convenient for, the unnecessary water of being convenient for flows wantonly, can know in summary and be convenient for carry out the splitting detection to bituminous paving when low temperature freeze thawing, with long-term and life-span of assurance bituminous paving when putting into use.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic structural view in another direction of the present invention;

fig. 3 is a schematic view of the local cross-section structure of the present invention.

In the figure: the device comprises a test bed 1, a self-locking universal wheel 2, a guide rail 3, a fixing frame 4, a water collecting box 5, an industrial air conditioner 6, a supporting leg 7, a water collecting tank 8, a connecting flange 9, a connecting water pipe 10, a heat preservation cover 11, a closed door 12, a traction rope 13, a driving motor 14, a limiting plate 15, a thermometer 16, a handle 17, an observation window 18, an electric cylinder 19, a rolling roller 20, a water discharging hole 21, a guide wheel 22, an objective table 23, a spray head 24 and a traction ring 25.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: the pavement low-temperature freeze-thawing splitting test device comprises a test bed 1, a supporting and moving assembly is arranged at the bottom of the test bed 1, a water accumulating tank 8 is arranged on the upper end face of the test bed 1, two guide rails 3 are symmetrically arranged at the bottom of the water accumulating tank 8, an objective table 23 is connected to the two guide rails 3 through guide wheels 22, a traction ring 25 is arranged on the side face of the objective table 23, a traction mechanism is arranged on the side face of the test bed 1, a heat preservation cover 11 is arranged on the upper end face of the test bed 1, a spray head 24 is arranged at the top of an inner cavity of the heat preservation cover 11, the spray head 24 is connected with a connecting water pipe 10, an industrial air conditioner 6 is arranged on the front end face of the heat preservation cover 11, a thermometer 16 with a measuring end extending into the inner cavity of the heat preservation cover 11 is arranged on the rear end face of the heat preservation cover 11, a closed door 12 is hinged to the left end face of the heat preservation cover 11, an electric cylinder 19 is arranged on the top of the inner cavity of the heat preservation cover 11, a rolling roller 20 is arranged at the bottom of the electric cylinder 19, a drain hole 21 is arranged at the bottom of the water accumulating tank 8, the utility model discloses a test bench, including test bench 1, the position department that just is located wash port 21 under, support and remove the subassembly including establishing a plurality of supporting legs 7 in 1 bottom four corners position department of test bench, auto-lock universal wheel 2 is installed to the bottom of supporting leg 7, the end connection of two guide rails 3 has limiting plate 15, drive mechanism includes erects the driving motor 14 on test bench 1 through the connection, be connected with haulage rope 13 on driving motor 14's the output shaft, the tip and the traction ring 25 of haulage rope 13 are connected, the tip of connecting water pipe 10 is equipped with the flange 9 of being connected with the outside delivery pipe, install control flap on the connecting water pipe 10, observation window 18 has been seted up to the rear end face of heat preservation cover 11, install the transparent plate in observation window 18, the subassembly that catchments is including establishing mount 4 in test bench 1 bottom, sliding connection has catchment box 5 on mount 4, the side of catchment box 5 is equipped with handle 17.

The industrial air conditioner 6, the driving motor 14 and the electric cylinder 19 are all of common models on the market, and the industrial air conditioner 6, the driving motor 14 and the electric cylinder 19 are all electrically connected with an external control switch.

When in use: the device is convenient to push to a proper position for fixing through a self-locking universal wheel 2 arranged at the bottom of a supporting leg 7, a test block is placed on an object stage 23, then the test block is sent into a heat-preservation cover 11 through a guide rail 3 and a guide wheel 22, the temperature in the heat-preservation cover 11 is reduced through an industrial grade air conditioner 6, the temperature in the heat-preservation cover 11 is detected through a thermometer 16, a connecting water pipe 10 is connected with an external water supply pipe through a connecting flange 9, the test block is sprayed with water through a spray head 24 to simulate the low-temperature freeze thawing environment, after a period of time, a rolling roller 20 is driven to move downwards through an electric cylinder 19, the rolling roller 20 is extruded on the surface of the test block, the test block is driven to move along the guide rail 3 through a driving motor 14 matched with a traction rope 13 and a traction ring 25, the rolling roller 20 rolls the surface of the test block, and whether the surface of the test block is split or not is observed, the components in the heat-insulating cover 11 are convenient to maintain and overhaul by closing the door 12, and the condition of the test block is convenient to observe by the observation window 18.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. Pavement low temperature freeze thawing splitting test device, including test bench (1), its characterized in that: the testing device is characterized in that a supporting and moving assembly is arranged at the bottom of the testing stand (1), a water accumulating tank (8) is arranged on the upper end face of the testing stand (1), two guide rails (3) are symmetrically arranged at the bottom of the water accumulating tank (8), an object stage (23) is connected onto the two guide rails (3) through guide wheels (22), a traction ring (25) is arranged on the side face of the object stage (23), a traction mechanism is arranged on the side face of the testing stand (1), a heat preservation cover (11) is arranged on the upper end face of the testing stand (1), a spray head (24) is arranged at the top of the inner cavity of the heat preservation cover (11), the spray head (24) is connected with a connecting water pipe (10), an industrial air conditioner (6) is installed on the front end face of the heat preservation cover (11), a thermometer (16) with a measuring end extending into the inner cavity of the heat preservation cover (11) is arranged on the rear end face of the heat preservation cover (11), and a closed door (12) is hinged to the left end face of the heat preservation cover (11), the top of the inner cavity of the heat-insulating cover (11) is provided with an electric cylinder (19), the bottom of the electric cylinder (19) is provided with a rolling roller (20), the bottom of the water collecting groove (8) is provided with a water drainage hole (21), and a water collecting assembly is arranged at the bottom of the test bed (1) and at a position right below the water drainage hole (21).

2. The pavement low-temperature freeze-thaw splitting test device according to claim 1, characterized in that: the support moving assembly comprises a plurality of supporting legs (7) arranged at four corners of the bottom of the test bed (1), and self-locking universal wheels (2) are mounted at the bottoms of the supporting legs (7).

3. The pavement low-temperature freeze-thaw splitting test device according to claim 1, characterized in that: the end parts of the two guide rails (3) are connected with limiting plates (15).

4. The pavement low-temperature freeze-thaw splitting test device according to claim 1, characterized in that: the traction mechanism comprises a driving motor (14) erected on the test bed (1) through connection, a traction rope (13) is connected to an output shaft of the driving motor (14), and the end portion of the traction rope (13) is connected with a traction ring (25).

5. The pavement low-temperature freeze-thaw splitting test device according to claim 1, characterized in that: the end part of the connecting water pipe (10) is provided with a connecting flange (9) connected with an external water supply pipe, and the connecting water pipe (10) is provided with a control valve.

6. The pavement low-temperature freeze-thaw splitting test device according to claim 1, characterized in that: an observation window (18) is formed in the rear end face of the heat preservation cover (11), and a transparent plate is installed in the observation window (18).

7. The pavement low-temperature freeze-thaw splitting test device according to claim 1, characterized in that: the water collecting assembly comprises a fixing frame (4) arranged at the bottom of the test bed (1), a water collecting box (5) is connected onto the fixing frame (4) in a sliding mode, and a handle (17) is arranged on the side face of the water collecting box (5).