CN212622099U

CN212622099U - Asphalt pavement water permeability detection device

Info

Publication number: CN212622099U
Application number: CN202021234135.1U
Authority: CN
Inventors: 陈荣飞; 丁成龙
Original assignee: Hainan Fangneng Test Technology Co ltd
Current assignee: Hainan Fangneng Test Technology Co ltd
Priority date: 2020-06-30
Filing date: 2020-06-30
Publication date: 2021-02-26
Anticipated expiration: 2030-06-30

Abstract

The utility model discloses a bituminous paving water permeability detection device relates to the material and detects technical field, including the fixed block and measure a section of thick bamboo, fixed block top middle part is run through and has been seted up logical groove, and it is provided with and measures a section of thick bamboo to lead to inside running through of groove, and the spout has been seted up at one side inner wall middle part that leads to the groove, and the inside activity of spout is provided with the slider, and the one end of slider and measure a section of thick bamboo one side bottom fixed connection, and the slider middle part is run through and is provided with first threaded rod, and slider and first threaded rod threaded connection, and spout top inner wall middle part is run through on the top of. The utility model discloses a first threaded rod rotates, drives the slider and slides inside the spout, and the slider drives and measures a section of thick bamboo and reciprocate, drives when detecting and measures a section of thick bamboo downstream, reduces water pressure, and through the setting of buffer board and a plurality of through-hole, water pressure can be cushioned simultaneously, is favorable to improving and detects the precision.

Description

Asphalt pavement water permeability detection device

Technical Field

The utility model relates to a material detects technical field, in particular to bituminous paving water permeability detection device.

Background

The water permeability of the asphalt pavement refers to the pressure water permeability of the asphalt pavement, and is usually expressed by a seepage coefficient. The water permeability test of the asphalt pavement is to determine the permeability coefficient of the asphalt pavement, and the water pressure in a measuring cylinder of the existing asphalt pavement water permeability detection device is in positive correlation with the amount of water, so that the water pressure at the upper part to be measured is far greater than the water pressure under the real rainwater condition, and the deviation of the experimental result is large; and current bituminous paving water permeability detection device is when the change point is detected, and it is inconvenient to remove, needs the staff to carry.

Therefore, it is necessary to invent a device for detecting the water permeability of asphalt pavement to solve the above problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an asphalt pavement water permeability detection device to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a device for detecting the water permeability of an asphalt pavement comprises a fixed block and a measuring cylinder, wherein a through groove is formed in the middle of the top end of the fixed block in a penetrating manner, a measuring cylinder is arranged in the through groove in a penetrating way, a sliding groove is arranged in the middle of the inner wall at one side of the through groove, a sliding block is movably arranged in the sliding groove, one end of the sliding block is fixedly connected with the bottom end of one side of the measuring cylinder, a first threaded rod is arranged in the middle of the sliding block in a penetrating way, the sliding block is in threaded connection with a first threaded rod, the top end of the first threaded rod penetrates through the middle part of the inner wall at the top end of the sliding chute, the bottom end of the first threaded rod is inserted into the middle part of the inner wall of the bottom end of the sliding chute, the two ends of the first threaded rod are respectively and rotatably connected with the inner wall of the sliding chute through bearings, the measuring cylinder bottom end middle part is fixedly provided with a liquid outlet pipe in a penetrating mode, the lower end inside the liquid outlet pipe is fixedly provided with a buffer plate, and the middle of the buffer plate is provided with a plurality of through holes distributed in a rectangular array in a penetrating mode.

Preferably, a bottom plate is fixedly arranged at the bottom end of the liquid outlet pipe, a connecting hole is formed in the middle of the top end of the bottom plate in a penetrating mode and communicated with the liquid outlet pipe, and a crank is fixedly arranged at the top end of the first threaded rod.

Preferably, the bottom edge of the bottom plate is provided with a sealing strip in a surrounding manner, the middle part of the top end of the measuring cylinder is fixedly provided with a water injection pipe in a penetrating manner, and valves are arranged on the water injection pipe and the liquid outlet pipe.

Preferably, a limiting groove is formed in the middle of the inner wall of one side, far away from the sliding groove, of the through groove, and a limiting block matched with the limiting groove is fixedly arranged at the bottom end of one side, close to the limiting groove, of the measuring cylinder.

Preferably, the middle part of the front surface of the measuring cylinder is embedded with a transparent plate, the middle part of the front surface of the transparent plate is provided with scales, and the middle part of the inner wall of the front surface of the through groove is penetrated and provided with a square groove.

Preferably, the four corners of the bottom end of the fixing block are fixedly provided with universal wheels, and the front ends and the rear ends of two sides of the fixing block are fixedly provided with fixing plates.

Preferably, a second threaded rod penetrates through the middle of the fixing plate and is in threaded connection with the fixing plate, and a screwing plate is fixedly arranged at the top end of the fixing plate.

The utility model discloses a technological effect and advantage:

1. the utility model discloses a first threaded rod rotates, drives the slider and slides in the spout, and the slider drives the measuring cylinder and reciprocates, drives the measuring cylinder and moves down when detecting, reduces water pressure, simultaneously through the setting of buffer board and a plurality of through-hole, can cushion water pressure, is favorable to improving and detects the precision;

2. the utility model is favorable for moving the device conveniently when detecting the changing point through the arrangement of the universal wheels;

3. the utility model discloses a setting of fixed plate and second threaded rod is favorable to preventing that the device from removing when examining.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is the schematic view of the sectional structure of the fixing block and the measuring cylinder of the present invention.

Fig. 3 is a schematic structural diagram of a in fig. 2 according to the present invention.

In the figure: 1. a fixed block; 2. a measuring cylinder; 3. a through groove; 4. a chute; 5. a slider; 6. a first threaded rod; 7. a crank; 8. a liquid outlet pipe; 9. a buffer plate; 10. a through hole; 11. a base plate; 12. connecting holes; 13. a sealing strip; 14. a valve; 15. a universal wheel; 16. a water injection pipe; 17. a transparent plate; 18. a square groove; 19. a fixing plate; 20. a second threaded rod; 21. twisting a plate; 22. a limiting groove; 23. and a limiting block.

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.

The utility model provides a device for detecting the water permeability of asphalt pavement as shown in figures 1-3, which comprises a fixed block 1 and a measuring cylinder 2, wherein a through groove 3 is formed in the middle of the top end of the fixed block 1 in a penetrating manner, the measuring cylinder 2 is arranged in the through groove 3 in a penetrating manner, a sliding groove 4 is formed in the middle of the inner wall of one side of the through groove 3, a sliding block 5 is movably arranged in the sliding groove 4, one end of the sliding block 5 is fixedly connected with the bottom end of one side of the measuring cylinder 2, a first threaded rod 6 is arranged in the middle of the sliding block 5 in a penetrating manner, the sliding block 5 is in threaded connection with the first threaded rod 6, the top end of the first threaded rod 6 is arranged in the middle of the inner wall of the top end of the sliding groove 4 in a penetrating manner, the bottom end of the first threaded rod 6 is inserted in the middle of the inner wall of, a plurality of through-holes 10 that are the rectangular array and distribute are run through at 9 middle parts of buffer board, rotate through first threaded rod 6, drive slider 5 and slide in 4 insides of spout, and slider 5 drives measuring cylinder 2 and reciprocates, drives measuring cylinder 2 and moves down when detecting, reduces water pressure, and through the setting of buffer board 9 and a plurality of through-holes 10, water pressure can be cushioned simultaneously, is favorable to improving the detection precision.

Further, 8 bottom mounting of drain pipe is provided with

bottom plate

11, and 11 top middle parts of bottom plate run through and have seted up connecting hole 12, and connecting

hole

12 and 8 intercommunications of drain pipe, 6 fixed cranks 7 that are provided with in top of first threaded rod, 11 bottom edges of bottom plate encircle and are provided with sealing strip 13, through the setting of sealing strip 13, are favorable to preventing that water from 11 bottom sides of bottom plate flows, influence detection accuracy.

The positive middle part of measuring section of thick bamboo 2 is inlayed and is provided with transparent plate 17, and transparent plate 17 openly middle part is provided with the scale, leads to groove 3 and runs through in the middle part of the positive inner wall and has seted up square groove 18, through the setting of square groove 18, is favorable to conveniently observing the scale on the transparent plate 17.

Secondly, the fixed water injection pipe 16 that runs through in 2 top middle parts of a measuring section of thick bamboo, all be provided with valve 14 on water injection pipe 16 and the drain pipe 8, lead to one side inner wall middle part of keeping away from spout 4 of groove 3 and seted up spacing groove 22, one side bottom mounting that measuring section of thick bamboo 2 is close to spacing groove 22 is provided with the stopper 23 with spacing groove 22 looks adaptation.

1 bottom four corners department of fixed block all fixes and is provided with universal wheel 15, setting through universal wheel 15, be favorable to when the change point is detected, make things convenient for the mobile device, 1 both sides front end of fixed block is all fixed with the rear end and is provided with

fixed plate

19, 19 middle parts of fixed plate run through and are provided with second threaded rod 20, and second threaded

rod

20 and 19 threaded connection of fixed plate, setting through fixed plate 19 and second threaded rod 20, be favorable to preventing that the device from removing when examining, 19 fixed plates tops are fixed and are provided with twisting plate 21.

The utility model discloses the theory of operation:

when the device is used, the device is moved to a detection point, the bottom end of the liquid outlet pipe 8 is aligned with the detection point, then the twisting plates 21 are rotated to enable the second threaded rods 20 to move downwards until the device is supported, so that the device is prevented from sliding, next, the crank 7 is rotated to drive the first threaded rod 6 to rotate, as the first threaded rod 6 is in threaded connection with the slider 5, the slider 5 moves downwards when the first threaded rod 6 rotates and drives the measuring cylinder 2 to move downwards until the bottom end of the bottom plate 11 is tightly attached to the ground, then the valve 14 on the water injection pipe 16 is opened, a proper amount of water is injected into the measuring cylinder 2 through the water injection pipe 16, scales are recorded, then the valve 14 on the liquid outlet pipe 8 is opened, the water in the measuring cylinder 2 flows into the liquid outlet pipe 8, and timing is started when the water level in the measuring cylinder 2 reaches the highest point of the scales, the scales are read every 60 seconds, after the scales enter the liquid outlet pipe 8 and water flow reaches the top end of the buffer plate 9, partial pressure is buffered by the buffer plate 9, and finally the water flow downwards flows to the ground through the through holes 10, so that the detection accuracy is improved, and the detection is finished after the water level reaches the lowest point.

When a second point needs to be detected, the crank 7 is rotated reversely, the sliding block 5 drives the measuring cylinder 2 to move upwards, then the twisting plate 21 is rotated, the second threaded rod 20 moves upwards until the universal wheels 15 are supported, then the device is pushed to the second detection point, and the operations are repeated.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. The utility model provides an asphalt pavement water permeability detection device, includes fixed block (1) and a measuring cylinder (2), its characterized in that: the middle part of the top end of the fixed block (1) is provided with a through groove (3) in a penetrating manner, the inside of the through groove (3) is provided with a measuring barrel (2) in a penetrating manner, the middle part of the inner wall at one side of the through groove (3) is provided with a sliding groove (4), the inside of the sliding groove (4) is movably provided with a sliding block (5), one end of the sliding block (5) is fixedly connected with the bottom end at one side of the measuring barrel (2), the middle part of the sliding block (5) is provided with a first threaded rod (6) in a penetrating manner, the sliding block (5) is in threaded connection with the first threaded rod (6), the top end of the first threaded rod (6) is provided with the middle part of the inner wall at the top end of the sliding groove (4) in a penetrating manner, the bottom end of the first threaded rod (6) is inserted into the middle part of the inner wall at, the liquid outlet pipe (8) is characterized in that a buffer plate (9) is fixedly arranged at the lower end inside, and a plurality of through holes (10) distributed in a rectangular array are formed in the middle of the buffer plate (9) in a penetrating mode.

2. The asphalt pavement water permeability detection device according to claim 1, characterized in that: drain pipe (8) bottom mounting is provided with bottom plate (11), bottom plate (11) top middle part is run through and has been seted up connecting hole (12), and connecting hole (12) and drain pipe (8) intercommunication, first threaded rod (6) top is fixed and is provided with crank (7).

3. The asphalt pavement water permeability detection device according to claim 2, characterized in that: the bottom end edge of the bottom plate (11) is provided with a sealing strip (13) in a surrounding mode, the middle of the top end of the measuring barrel (2) is fixedly provided with a water injection pipe (16) in a penetrating mode, and valves (14) are arranged on the water injection pipe (16) and the liquid outlet pipe (8).

4. The asphalt pavement water permeability detection device according to claim 3, characterized in that: the measuring cylinder is characterized in that a limiting groove (22) is formed in the middle of the inner wall of one side, far away from the sliding groove (4), of the through groove (3), and a limiting block (23) matched with the limiting groove (22) is fixedly arranged at the bottom end of one side, close to the limiting groove (22), of the measuring cylinder (2).

5. The asphalt pavement water permeability detection device according to claim 4, characterized in that: the middle part of the front surface of the measuring cylinder (2) is embedded with a transparent plate (17), the middle part of the front surface of the transparent plate (17) is provided with scales, and the middle part of the inner wall of the front surface of the through groove (3) is penetrated and provided with a square groove (18).

6. The asphalt pavement water permeability detection device according to claim 5, characterized in that: the universal wheels (15) are fixedly arranged at four corners of the bottom end of the fixed block (1), and fixed plates (19) are fixedly arranged at the front ends and the rear ends of two sides of the fixed block (1).

7. The asphalt pavement water permeability detection device according to claim 6, characterized in that: the middle of the fixing plate (19) is provided with a second threaded rod (20) in a penetrating mode, the second threaded rod (20) is in threaded connection with the fixing plate (19), and a twisting plate (21) is fixedly arranged at the top end of the fixing plate (19).