CN219475270U - Roadbed anti-scouring test device based on counterweight - Google Patents
Roadbed anti-scouring test device based on counterweight Download PDFInfo
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- CN219475270U CN219475270U CN202320146764.6U CN202320146764U CN219475270U CN 219475270 U CN219475270 U CN 219475270U CN 202320146764 U CN202320146764 U CN 202320146764U CN 219475270 U CN219475270 U CN 219475270U
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- scouring
- scour
- counterweight
- flushing
- sample
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/30—Adapting or protecting infrastructure or their operation in transportation, e.g. on roads, waterways or railways
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Abstract
The utility model discloses a roadbed scour resistance test device based on a counterweight, which relates to the technical field of roadbed material test devices and comprises a scour unit and a power control unit, wherein the scour unit comprises a scour bracket, a communication rod, a scour assembly and a base; the flushing support is arranged on the base, the communication rod is arranged on the flushing support, and the upper end of the flushing assembly is connected with the lower end of the communication rod; the lower end of the flushing component is contacted with a sample, and the sample is arranged on the base; the periphery of the communication rod is provided with a counterweight unit; the communication rod is connected with the power control unit through a pipeline. According to the utility model, by arranging the counterweight force application mode, the scouring assembly always acts on the scouring sample, so that the force application effect in the scouring test process is unchanged; in addition, the working platform and the power and control platform of the scouring test are arranged separately, so that adverse effects of vibration on the scouring test result in the test process can be reduced to the greatest extent.
Description
Technical Field
The utility model relates to the technical field of road base material test devices, in particular to a roadbed anti-scouring test device based on a counterweight.
Background
The water damage phenomenon of the road surface is relatively common, particularly the water damage phenomenon of the semi-rigid base pavement. The road surface water enters the interface between the surface layer and the semi-rigid base layer from gaps, joints and cracks, and the free water retained on the interface generates considerable dynamic water pressure and suction force when a large amount of vehicle load acts, and after the instantaneous repeated action of the two forces reaches a certain number of times, the surface layer can be emptied, and serious conditions can also cause the emptying of the base layer and the subbase layer, even the subbase layer and the roadbed top surface. The indoor test method for testing the anti-rinsing performance of the semi-rigid base material at home and abroad mainly comprises a rotary brush test method and a vibrating table test method, but is not in accordance with the water damage process of the base pavement; an MTS platform test method is proposed in China, and is too complex, relatively high in cost and limited in practicability.
The Chinese patent with the patent number of CN112730033A discloses a highway subgrade filler anti-scouring performance test device and a highway subgrade filler anti-scouring performance test method, wherein the device comprises a water tank, a sampling tube, a scouring pipeline and a sample pushing mechanism, a water inlet and outlet of the scouring pipeline is connected with the water tank, a section of horizontally arranged transparent observation tube section for observation is arranged on the scouring pipeline, an opening is arranged on the bottom tube wall of the transparent observation tube section, and the sampling tube which is vertically arranged is detachably and hermetically connected with the opening; the sample pushing mechanism delivers the sample into the flush line at a rate and the associated measuring device measures the physical quantity required for the process. However, the patent adopts a non-counterweight mode, has a complex structure, is not simple and convenient to operate, and has relatively high cost.
Disclosure of Invention
In order to solve the technical problems, the utility model provides a roadbed scour prevention test device based on a counterweight.
In order to achieve the purpose of the utility model, the technical scheme adopted by the utility model is as follows:
a roadbed anti-scouring test device based on a counterweight comprises a scouring unit and a power control unit,
the flushing unit comprises a flushing bracket, a communication rod, a flushing assembly and a base;
the flushing support is arranged on the base, the communication rod is arranged on the flushing support, and the upper end of the flushing assembly is connected with the lower end of the communication rod; the lower end of the flushing component is contacted with a sample, and the sample is arranged on the base;
the periphery of the communication rod is provided with a counterweight unit;
the communication rod is connected with the power control unit through a pipeline.
Based on the technical scheme, further, the flushing support comprises a flushing table beam and a flushing upright post, the flushing table beam is in butt joint with the flushing upright post, the flushing upright post is fixed on the base, and a fixed framework is formed among the flushing table beam, the flushing upright post and the base.
Based on the technical scheme, still further, the washout platform crossbeam is provided with a first limit clamp, and the communication rod passes through the first limit clamp and extends to the inside of the fixed framework.
Based on the technical scheme, still further, still include sample anchor clamps and sample cushion, sample cushion is put on the base, and sample anchor clamps are installed to sample cushion up end, and the sample is put in sample anchor clamps, and sample anchor clamps are located and erode the subassembly below.
Based on the above technical scheme, still further, the counter weight unit includes second limit jig, spacing roof beam, counter weight platform and spacing pulley, places the counter weight platform on the spacing roof beam, and spacing roof beam and washout platform crossbeam parallel arrangement, and spacing roof beam is connected with washout stand perpendicularly, and spacing pulley is installed to the junction of spacing roof beam and washout stand, installs second limit jig on the spacing roof beam, and the intercommunication pole passes second limit jig.
Based on the technical scheme, further, the counterweight block is placed on the counterweight platform.
Based on the technical scheme, further, the power control unit comprises a working platform, a motor and a first control switch for controlling the motor to start and stop are arranged on the working platform, an output shaft of the motor is connected with a transmission connecting rod through a crankshaft connecting rod, the transmission connecting rod is connected with a plunger pump, a first water inlet and a second water inlet are arranged on the plunger pump, the first water inlet and the second water inlet are connected with the transmission connecting rod, and the second water inlet and the second water outlet are connected with a connecting rod.
Based on the technical scheme, further, a third limit clamp is arranged on the periphery of the transmission connecting rod.
Compared with the prior art, the utility model has the following beneficial effects:
according to the utility model, by arranging the counterweight force application mode, the scouring assembly always acts on the scouring sample, so that the force application effect in the scouring test process is unchanged; in addition, the working platform and the power and control platform of the scouring test are arranged separately, so that adverse effects of vibration on the scouring test result in the test process can be reduced to the greatest extent. According to the MTS platform principle, the utility model adopts an up-down loading mode, acting force and acting frequency, and can be accurately applied and controlled, namely, the anti-scouring test is carried out on the base material by simulating repeated dynamic water pressure and suction force, so that the utility model is more in line with the water damage process of the actual base pavement, the working procedure is relatively simple, and the cost is lower; the method is more practical, the market demand is larger, and the social and economic benefits are obvious.
Drawings
FIG. 1 is a schematic view of the structure of the test device of the present utility model;
reference numerals: 1. flushing the cross beam of the table; 2. scouring the upright post; 3. a base; 4. a communication rod; 5. flushing the assembly; 6. a first limit clamp; 7. a sample holder; 8. a sample pad; 9. a drive link joint; 10. the second limiting clamp; 11. a limit beam; 12. a limit pulley; 13. a counterweight platform; 14. balancing weight; a u-shaped joint; 16. a motor; 17. a first control switch; 18. a crankshaft connecting rod; 19. a transmission link; 20. a plunger pump; 21. a first water inlet and outlet; 22. a second water inlet and outlet; 23. the third limit clamp; 24. a working platform; 25. a crankshaft; 26. a pipe; 27. a sample; 28. water; 29. flushing the container.
Detailed Description
In order to make the objects and technical solutions of the present utility model more clear, the technical solutions of the present utility model will be clearly and completely described below with reference to examples.
It should be noted that the azimuth or positional relationship indicated by the terms "upper", "lower", etc. are based on the azimuth or positional relationship shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or element to be referred to must have a specific azimuth, be constructed and operated in a specific azimuth, and thus should not be construed as limiting the present utility model.
Example 1
The roadbed anti-scour test device based on the counterweight as shown in fig. 1 comprises a scour unit, wherein the scour unit comprises a scour bracket, a communication rod 4, a scour assembly 5 and a base 3; the flushing support comprises a flushing platform beam 1 and a flushing upright post 2, wherein the flushing platform beam 1 is in butt joint with the flushing upright post 2, the flushing upright post 2 is fixed on a base 3, and a fixed framework is formed among the flushing platform beam 1, the flushing upright post 2 and the base 3. The first limiting clamp 6 is arranged on the flushing table cross beam 1, the first limiting clamp 6 is provided with a first limiting hole, and the communication rod 4 passes through the first limiting hole on the first limiting clamp 6 and extends into the fixed framework until being connected with the flushing assembly 5; the communication rod 4 can move up and down in the first limit clamp 6. A flushing container 29 is further arranged in the fixing framework, the flushing container 29 is arranged on the upper end face of the base 3, a sample cushion block 8 is placed in the flushing container 29, a sample clamp 7 is mounted on the upper end face of the sample cushion block 8, a sample 27 is placed in the sample clamp 7 for fixing, and the sample clamp 7 is located below the flushing assembly 5. The force application unit arranged at the periphery of the communication rod 4 selects a counterweight module; the counterweight module comprises a second limiting clamp 10, a limiting beam 11, a counterweight platform 13 and a limiting pulley 12, wherein the counterweight platform 13 is placed on the limiting beam 11, the limiting beam 11 is arranged in parallel with the flushing table cross beam 1, the limiting beam 11 is vertically connected with the flushing upright post 2, the limiting pulley 12 is installed at the joint of the limiting beam 11 and the flushing upright post 2, the second limiting clamp 10 is installed on the limiting beam 11, and the communication rod 4 passes through the second limiting clamp 10 to be fixed. A counterweight 14 is placed on the counterweight platform 13. The connecting rod 4 and the counterweight module arranged at the periphery are fixed to form a whole.
The test equipment also comprises a power control unit, the communication rod 4 is connected with the power control unit through a pipeline 26, and the pipeline 26 can be a hard water pipe. The power control unit comprises a working platform 24, a motor 16 and a first control switch 17 for controlling the start and stop of the motor 16 are arranged on the working platform 24, an output shaft of the motor 16 is connected with a transmission connecting rod 19 through a crankshaft connecting rod 18, specifically, the output shaft of the motor 16 is connected with the upper end of the crankshaft connecting rod 18 through a crankshaft 25, the lower end of the crankshaft connecting rod 18 is connected with the transmission connecting rod 19 through a U-shaped joint 15, the transmission connecting rod 19 is connected with a plunger pump 20, a first water inlet and outlet 21 and a second water inlet and outlet 22 are arranged on the plunger pump 20, the first water inlet and outlet 21 is connected with the transmission connecting rod, and the second water inlet and outlet 22 is connected with the communication rod 4. The transmission connecting rod is provided with a transmission connecting rod connector 9, and the transmission connecting rod connector 9 ensures that the transmission connecting rod 19 does horizontal reciprocating motion, thereby ensuring the normal operation of the plunger pump 20. The periphery of the transmission connecting rod 19 is provided with a third limiting clamp 23, and the third limiting clamp 23 is fixed on a working platform 24.
The whole working principle of the embodiment is as follows: the air switch is turned on, the motor 16 is started, the motor 16 works, power is transmitted to the crankshaft, the crankshaft drives the transmission connecting rod 19 to do horizontal reciprocating motion, and then the plunger pump 20 is driven to operate, and the plunger operates to enable a reciprocating water column to be formed in the flushing component 5, so that a flushing test is conducted. Before the test, the air in the pipeline from the plunger pump 20 to the flushing component 5 is exhausted. During the scour test, a force is applied to the scour assembly 5 by the counterweight module to the test specimen 27.
The foregoing is a description of embodiments of the utility model, which are specific and detailed, but are not to be construed as limiting the scope of the utility model. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the utility model, which are all within the scope of the utility model.
Claims (8)
1. A roadbed anti-scouring test device based on a counterweight is characterized by comprising a scouring unit and a power control unit,
the flushing unit comprises a flushing bracket, a communication rod, a flushing assembly and a base;
the flushing support is arranged on the base, the communication rod is arranged on the flushing support, and the upper end of the flushing assembly is connected with the lower end of the communication rod; the lower end of the flushing component is contacted with a sample, and the sample is arranged on the base;
the periphery of the communication rod is provided with a counterweight unit;
the communication rod is connected with the power control unit through a pipeline.
2. The roadbed anti-scour test device based on a counterweight according to claim 1, wherein the scour support comprises a scour table cross beam and a scour upright, the scour table cross beam is abutted with the scour upright, the scour upright is fixed on the base, and a fixed framework is formed among the scour table cross beam, the scour upright and the base.
3. The roadbed anti-scouring test device based on the counterweight according to claim 2, wherein the scouring table cross beam is provided with a first limiting clamp, and the communication rod passes through the first limiting clamp and extends into the fixed framework.
4. The roadbed anti-scouring test device based on the counterweight according to claim 1, further comprising a sample clamp and a sample cushion block, wherein the sample cushion block is placed on the base, the sample clamp is installed on the upper end face of the sample cushion block, the sample is placed in the sample clamp, and the sample clamp is located below the scouring assembly.
5. The roadbed anti-scouring test device based on the counterweight according to claim 1, wherein the counterweight unit comprises a second limiting clamp, a limiting beam, a counterweight platform and a limiting pulley, the counterweight platform is placed on the limiting beam, the limiting beam is arranged in parallel with the scouring table cross beam and is vertically connected with the scouring upright post, the limiting pulley is installed at the joint of the limiting beam and the scouring upright post, the second limiting clamp is installed on the limiting beam, and the communication rod passes through the second limiting clamp.
6. The ballast-based subgrade anti-scour test apparatus as set forth in claim 5, wherein said ballast platform has a ballast weight disposed thereon.
7. The roadbed anti-scouring test device based on the counterweight according to claim 1, wherein the power control unit comprises a working platform, a motor and a first control switch for controlling the start and stop of the motor are arranged on the working platform, an output shaft of the motor is connected with a transmission connecting rod through a crankshaft connecting rod, the transmission connecting rod is connected with a plunger pump, a first water inlet and a second water inlet are arranged on the plunger pump, the first water inlet and the second water inlet are connected with the transmission connecting rod, and the second water inlet and the second water outlet are connected with a connecting rod.
8. The roadbed anti-scouring test unit based on the counterweight according to claim 7, wherein a third limit clamp is arranged on the periphery of the transmission connecting rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320146764.6U CN219475270U (en) | 2023-01-28 | 2023-01-28 | Roadbed anti-scouring test device based on counterweight |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320146764.6U CN219475270U (en) | 2023-01-28 | 2023-01-28 | Roadbed anti-scouring test device based on counterweight |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219475270U true CN219475270U (en) | 2023-08-04 |
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ID=87436939
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320146764.6U Active CN219475270U (en) | 2023-01-28 | 2023-01-28 | Roadbed anti-scouring test device based on counterweight |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219475270U (en) |
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2023
- 2023-01-28 CN CN202320146764.6U patent/CN219475270U/en active Active
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