CN211905019U

CN211905019U - Road surface drainage function test device for highway design

Info

Publication number: CN211905019U
Application number: CN202020550174.6U
Authority: CN
Inventors: 邱浩涛; 李伟豪; 刘文杰; 陆奕航; 余贤权; 刘特科
Original assignee: Guangzhou Huahui Transportation Technology Co ltd
Current assignee: Guangzhou Huahui Transportation Technology Co ltd
Priority date: 2020-04-14
Filing date: 2020-04-14
Publication date: 2020-11-10
Anticipated expiration: 2030-04-14

Abstract

The utility model discloses a road surface drainage function test device for highway design relates to highway engineering technical field. The utility model discloses a test bench, circulation tank, test block, screw ejector pin and spray plate, the upper end of test bench is provided with the box, and the one end of box is connected with the articulated round pin axle of installing in the test bench both sides is articulated, and the other end bottom of box is provided with the screw ejector pin, screw ejector pin and the fixation nut threaded connection of fixed mounting on the test bench. The utility model discloses a set up screw ejector pin, flow control valve, first flowmeter and second flowmeter, screw ejector pin accessible rotates the one end that drives the test piece and carries out altitude mixture control, and then can conveniently test the drainage performance on different horizontal slope road surfaces, the flow of flow control valve controllable shower tray water spray replaces the rainfall in the reality through the water spray, from this experimental rainfall is to the influence of road surface drainage ability, it is not comprehensive to have solved current technical test, the experimental degree of accuracy is low, rigorous not enough problem.

Description

Road surface drainage function test device for highway design

Technical Field

The utility model belongs to the technical field of highway engineering, especially, relate to a road surface drainage function test device for highway design.

Background

With the rapid development of national economy in China, the investment of infrastructure construction in China is continuously increased, the important item of infrastructure construction for road construction is also developed rapidly, the design of road drainage needs to be determined through simulation tests in the early stage of road construction, at present, the test on the road drainage function is too simple, the test is not comprehensive enough, the test accuracy is poor, and therefore the prior art needs to be improved.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a road surface drainage function test device for highway design, through setting up the screw ejector pin, flow control valve, first flowmeter and second flowmeter, the screw ejector pin accessible is rotated the one end that drives the test piece and is carried out altitude mixture control, and then can conveniently test the drainage performance on different horizontal slope road surfaces, the controllable flow of spraying dish water spray of flow control valve, replace the rainfall in the reality through the water spray, from this experimental rainfall is to the influence of road surface drainage ability, it is not comprehensive to have solved current technical test, the experimental degree of accuracy is low, rigorous problem inadequately.

In order to solve the technical problem, the utility model discloses a realize through following technical scheme:

the utility model relates to a road surface drainage function test device for highway design, which comprises a test bed, a circulating water tank, a test block, a threaded ejector rod and a spray disc, wherein the upper end of the test bed is provided with a box body, one end of the box body is hinged with a hinge pin shaft arranged on two sides of the test bed, the bottom of the other end of the box body is provided with the threaded ejector rod, the threaded ejector rod is in threaded connection with a fixed nut fixedly arranged on the test bed, the top end of the threaded ejector rod is provided with a hinge seat, the threaded ejector rod is movably hinged with the box body through the hinge seat, the bottom end of the threaded ejector rod is provided with a poking rod, the upper part of the test bed is provided with a lead screw sliding mechanism, the bottom end of the lead screw sliding mechanism is provided with a fixed column, the bottom end of the fixed column is provided with the spray disc, the other end of the water pumping hose is connected with a circulating water tank arranged under the test bed, a suction pump is installed at one end, close to the circulating water tank, of the water pumping hose, a first flowmeter is installed in the middle of the water pumping hose, a water return pipe is installed at the bottom end of the test bed, and a second flowmeter is installed on the water return pipe.

The screw rod sliding mechanism comprises an outer cover, a screw rod bearing, an adjusting hand wheel, a screw rod nut, sliding rods and a sliding seat, the screw rod is arranged at the top of the inner wall of the outer cover, one end of the screw rod is rotatably connected with the screw rod bearing arranged on the inner wall of one side of the outer cover, the other end of the screw rod is fixedly connected with the adjusting hand wheel arranged on the outer side of the outer cover, the screw rod nut is arranged on the screw rod, two sliding rods are symmetrically arranged on two sides of the lower portion of the screw rod, the sliding seat is arranged on the sliding rods in a sliding mode, the upper end of the sliding seat is fixedly connected with the screw rod nut, the bottom end of the sliding seat is connected with the fixed column, and the position of the spray disc can be conveniently adjusted by.

Further, the inner chamber and the dish intercommunication that sprays of fixed column, landing leg is installed to test bench bottom four corners position, and the setting of landing leg can provide the stability that the test bench placed.

Furthermore, a water baffle is arranged at the edge of the test bed, the height of the water baffle is 80-100mm, and the water body drained from the surface of the test block can be conveniently collected by the water baffle so as to be refluxed into the circulating water tank through the water return pipe, so that the water resource can be conveniently recycled.

Further, the test block has been placed in the box, the size and the test block phase-match of box set up like this and can make test block and box border inseparabler, make the aqueous body of following the test block upflow discharge smoothly.

Furthermore, the water inlet of wet return sets up in box articulated one end, the delivery port of wet return is located circulation tank's top, sets up the water inlet like this and is for the water of following the outflow of test block surface in order to conveniently receive, makes the water can retrieve through the wet return fast, avoids the water to produce the accumulation on the test bench.

The utility model discloses following beneficial effect has:

1. the utility model discloses a set up the screw thread ejector pin, the screw thread ejector pin cooperates with embedded fixation nut who installs on the test bench, and reciprocating of accessible self drives test block one end and carries out altitude mixture control to the slope that changes the surface of test block is used for experimental different slopes road surface drainage ability size, and the test block of the removable different materials of personnel (the porosity is different) simultaneously, with the drainage ability of the different material road surfaces of test.

2. The utility model discloses a set up flow control valve, first flowmeter and second flowmeter, solved, the water yield that the consumption was sprayed in the measurable unit interval of first flowmeter, from road surface exhaust water yield in the measurable unit interval of second flowmeter, the difference of the two is the flow of road surface infiltration in the unit interval promptly to the osmotic force size on this experimental road surface, personnel's accessible flow control valve adjusts the flow that sprays simultaneously, with the influence of experimental rainfall intensity to road surface drainage.

Of course, it is not necessary for any particular product to achieve all of the above-described advantages at the same time.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.

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

FIG. 2 is a schematic view of a partial structure of the present invention;

fig. 3 is a schematic structural view of the screw sliding mechanism of fig. 1 according to the present invention;

FIG. 4 is an enlarged view of the structure of FIG. 1A according to the present invention;

fig. 5 is an enlarged view of a structure at B in fig. 1 according to the present invention.

In the drawings, the components represented by the respective reference numerals are listed below:

1. a test bed; 2. a support leg; 3. a circulating water tank; 4. a box body; 5. hinging a pin shaft; 6. a test block; 7. a threaded ejector rod; 8. fixing a nut; 9. a hinged seat; 10. a poke rod; 11. a screw rod sliding mechanism; 12. a housing; 13. a screw rod; 14. a screw bearing; 15. adjusting a hand wheel; 16. a feed screw nut; 17. a slide bar; 18. a slide base; 19. fixing a column; 20. spraying a disc; 21. a flow regulating valve; 22. a water pumping hose; 23. a suction pump; 24. a first flow meter; 25. a water return pipe; 26. a second flow meter; 27. a water baffle.

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 of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

Referring to fig. 1, 2, 4 and 5, the utility model relates to a road surface drainage function test device for road design, which comprises a test bed 1, a circulating water tank 3, a test block 6, a threaded mandril 7 and a spray tray 20, wherein the upper end of the test bed 1 is provided with a box body 4, one end of the box body 4 is hinged with hinge pin shafts 5 arranged at two sides of the test bed 1, the bottom of the other end of the box body 4 is provided with the threaded mandril 7, the threaded mandril 7 is in threaded connection with a fixed nut 8 fixedly arranged on the test bed 1, the top end of the threaded mandril 7 is provided with a hinge seat 9, the threaded mandril 7 is movably hinged with the box body 4 through the hinge seat 9, the bottom end of the threaded mandril 7 is provided with a poking rod 10, the upper part of the test bed 1 is provided with a screw rod sliding mechanism 11, the bottom end of the screw rod, a water pumping hose 22 is arranged on one side of the fixed column 19, a flow regulating valve 21 is arranged at one end of the water pumping hose 22 close to the fixed column 19, the other end of the water pumping hose 22 is connected with a circulating water tank 3 arranged right below the test bed 1, a suction pump 23 is arranged at one end of the water pumping hose 22 close to the circulating water tank 3, a first flow meter 24 is arranged in the middle of the water pumping hose 22, a water return pipe 25 is arranged at the bottom end of the test bed 1, a second flow meter 26 is arranged on the water return pipe 25, supporting legs 2 are arranged at four corners of the bottom of the test bed 1, a water baffle 27 is arranged at the edge of the test bed 1, the height of the water baffle 27 is 80-100mm, a test block 6 is arranged in the box 4, the size of the box 4 is matched with that of the test block 6, a water inlet of the water return pipe 25, the inner cavity of the fixed column 19 is communicated with a spray tray 20, when in use, water in the circulating water tank 3 is pumped into a water pumping hose 22 through a suction pump 23, is conveyed to the spray tray 20 through the water pumping hose 22, and is then sprayed out of the spray tray 20 onto a test block 6, most of water on the test block 6 flows out from the lower end of the surface of the test block 6, then falls onto the test bed 1, and flows back into the circulating water tank 3 through a water return pipe 25 at the bottom of the test bed 1, in the process, a first flow meter 24 and a second flow meter 26 respectively measure the flow consumed by spraying and the flow of the backflow, further the drainage capacity of the test block 6 under the slope is tested, then the slope of the test block 6 is adjusted through rotating a threaded ejector rod 7, the test is carried out again, the drainage capacity of the simulated road surfaces under different slopes is measured, and meanwhile, the size of spraying can be adjusted, the drainage capacity of the road surface under different rainfall intensities was tested.

Referring to fig. 1 and 3, the lead screw sliding mechanism 11 includes an outer cover 12, a lead screw 13, a lead screw bearing 14, an adjusting handwheel 15, a lead screw nut 16, a slide rod 17 and a slide seat 18, the top of the inner wall of the outer cover 12 is provided with the lead screw 13, one end of the lead screw 13 is rotatably connected with the lead screw bearing 14 installed on the inner wall of one side of the outer cover 12, the other end of the lead screw 13 is fixedly connected with the adjusting handwheel 15 arranged outside the outer cover 12, the lead screw nut 16 is installed on the lead screw 13, two slide rods 17 are symmetrically installed on two sides of the lower portion of the lead screw 13, the slide seat 18 is slidably arranged on the slide rod 17, the upper end of the slide seat 18 is fixedly connected with the lead screw nut 16, the bottom end of the slide seat 18 is connected with a fixed column 19, when the drainage capacity of different areas of the test block 6 needs to be tested, the lead screw 13 is driven to rotate by rotating the adjusting And (4) saving energy, and meeting the test requirements.

It should be noted that, in this document, relational terms such as first and second, and the like are only used for distinguishing one entity or operation from another entity or operation, and do not necessarily require or imply that these entities or operations are only preferred embodiments of the present invention, and do not limit the present invention.

Claims

1. The utility model provides a road surface drainage function test device for highway design, includes test bench (1), circulating water tank (3), test block (6), screw ejector pin (7) and sprays dish (20), its characterized in that: the device is characterized in that a box body (4) is arranged at the upper end of the test bed (1), one end of the box body (4) is hinged and connected with hinge pin shafts (5) arranged at two sides of the test bed (1), a threaded ejector rod (7) is arranged at the bottom of the other end of the box body (4), the threaded ejector rod (7) is in threaded connection with a fixed nut (8) fixedly arranged on the test bed (1), a hinge seat (9) is arranged at the top end of the threaded ejector rod (7), the threaded ejector rod (7) is movably hinged with the box body (4) through the hinge seat (9), a poking rod (10) is arranged at the bottom end of the threaded ejector rod (7), a screw rod sliding mechanism (11) is arranged at the upper part of the test bed (1), a fixed column (19) is arranged at the bottom end of the screw rod sliding mechanism (11), a spray disc (20) is arranged at the bottom end of the fixed column, flow control valve (21) are installed to the one end that pumping hose (22) are close to fixed column (19), the other end and the circulation tank (3) of setting under test bench (1) of pumping hose (22) are connected, suction pump (23) are installed to the one end that is close to circulation tank (3) on pumping hose (22), first flowmeter (24) are installed to the centre of pumping hose (22), wet return (25) are installed to the bottom of test bench (1), install second flowmeter (26) on wet return (25).

2. The road surface drainage function test device for road design according to claim 1, wherein the screw rod sliding mechanism (11) comprises an outer cover (12), a screw rod (13), a screw rod bearing (14), an adjusting hand wheel (15), a screw rod nut (16), a sliding rod (17) and a sliding seat (18), the screw rod (13) is arranged on the top of the inner wall of the outer cover (12), one end of the screw rod (13) is rotatably connected with the screw rod bearing (14) arranged on the inner wall of one side of the outer cover (12), the other end of the screw rod (13) is fixedly connected with the adjusting hand wheel (15) arranged on the outer side of the outer cover (12), the screw rod nut (16) is arranged on the screw rod (13), two sliding rods (17) are symmetrically arranged on two sides of the lower part of the screw rod (13), the sliding rod (17) is slidably provided with the sliding seat (18), and the upper end of the sliding seat (18) is fixedly connected with the screw rod, the bottom end of the sliding seat (18) is connected with a fixed column (19).

3. The road surface drainage function test device for the road design is characterized in that the inner cavities of the fixing columns (19) are communicated with the spraying disc (20), and the four corners of the bottom of the test bed (1) are provided with the supporting legs (2).

4. The road surface drainage function test device for the road design is characterized in that a water baffle (27) is arranged at the edge of the test bed (1), and the height of the water baffle (27) is 80-100 mm.

5. The road surface drainage function test device for road design according to claim 1, wherein a test block (6) is placed in the box body (4), and the size of the box body (4) is matched with that of the test block (6).

6. The device for testing the road surface drainage function of a road design according to claim 1, wherein the water inlet of the water return pipe (25) is provided at the hinged end of the tank body (4), and the water outlet of the water return pipe (25) is positioned above the circulating water tank (3).