Roadbed rainfall simulation device

Abstract

The utility model relates to the technical field of roadbed quality detection, in particular to a roadbed rainfall simulation device which comprises a bottom box, a roadbed body is arranged at the top of the bottom box, a supporting rod is fixedly connected to the outer wall of the top of the bottom box, and a top frame is fixedly connected to the outer wall of the top of the supporting rod. Shells distributed at equal intervals are fixedly connected to the inner walls of the two sides of the top frame, the cross section of each shell is rectangular, spraying holes distributed at equal intervals are formed in the bottom of each shell, and a water guide pipe is arranged at one end of each shell. According to the device, persistent rainfall simulation impact on the roadbed body can be realized, the detection requirements of people on the roadbed body are met, meanwhile, the rainfall can be adjusted in the rainfall simulation process, the authenticity of the simulation process is improved, and rainwater generated in the simulation process can be recycled through the circulating assembly, so that the cost is reduced. And waste of water resources is avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of roadbed quality detection, in particular to a roadbed precipitation simulation device. Background Art

[0002] Roadbed refers to a strip structure built as the foundation of the road surface according to the route location and certain technical requirements. It is the foundation of railways and highways. The roadbed is a linear structure built with soil or stone. The roadbed is built under good geological, hydrological and climatic conditions. In terms of materials, the roadbed can be divided into three types: soil roadbed, stone roadbed, and soil-stone roadbed.

[0003] Before the construction of the roadbed, it is necessary to test its quality. In the process of testing the roadbed quality, continuous rainfall impact is one of the important factors causing roadbed damage. When the traditional precipitation simulation device performs impact testing on the roadbed, it cannot control the amount of rainfall, which leads to the fact that the test cannot fit the actual situation and affects the test results. Therefore, a roadbed precipitation simulation device is urgently needed to solve the above problems. Utility Model Content

[0004] Based on the deficiencies in the prior art mentioned in the above background technology, the utility model provides a roadbed precipitation simulation device.

[0005] The utility model overcomes the above technical problems by adopting the following technical solutions, specifically:

[0006] A roadbed precipitation simulation device comprises a bottom box, a roadbed body is arranged on the top of the bottom box, a support rod is fixedly connected to the top outer wall of the bottom box, a top frame is fixedly connected to the inner walls on both sides of the top frame, shells distributed at equal distances are fixedly connected, the cross section of the shell is rectangular, and spray holes distributed at equal distances are opened at the bottom of the shell, a water guide pipe is arranged at one end of the shell, a transverse pipe is arranged at the end of the water guide pipe away from the shell, a water pumping pipe is fixedly connected to the circumferential outer wall of the transverse pipe, a water tank is arranged on the top of the bottom box, a first water pump is fixedly connected to the top outer wall of the water tank, the first water pump is connected to the water pumping pipe, a vertical pipe is arranged at the bottom end of the first water pump, the vertical pipe extends to the bottom of the water tank, and a water injection pipe is inserted into the outer wall of one side of the water tank;

[0007] A water retaining assembly is provided below the top frame;

[0008] A circulation component is arranged on the top of the bottom box.

[0009] As a further solution of the utility model: a mounting groove is provided on the top of the bottom box, a through groove is provided on the bottom of the mounting groove, and the number of the mounting groove and the through groove is four groups.

[0010] As a further solution of the utility model: the circulation component includes a second water pump arranged on the top of the bottom box, and connecting pipes and return pipes are respectively arranged on both sides of the second water pump. One end of the return pipe away from the second water pump extends to the interior of the bottom box.

[0011] As a further solution of the utility model: a bearing plate is clamped inside the installation groove, and a filter screen is fixedly connected to an outer wall of one side of the bearing plate.

[0012] As a further solution of the utility model: the water retaining assembly includes a connecting plate fixedly connected to the bottom outer wall of the top frame, one side outer wall of the connecting plate is fixedly connected to a motor, the output end of the motor is fixedly connected to a threaded screw, the circumferential outer wall of the threaded screw is meshed with a threaded sleeve, and one side outer wall of the threaded sleeve is fixedly connected to a cross plate.

[0013] As a further solution of the utility model: the top outer wall of the horizontal plate is fixedly connected with a fixing frame, the fixing frame is fixedly connected with a baffle, the baffle is arranged on one side of the spray hole, and the top outer wall of the baffle is in contact with the bottom outer wall of the shell.

[0014] As a further solution of the utility model: a guide rod is fixedly connected to an outer wall of one side of the other connecting plate, a guide cylinder is sleeved on the circumferential outer wall of the guide rod, and the guide cylinder is fixedly connected to the cross plate.

[0015] After adopting the above structure, the utility model has the following advantages compared with the prior art: it can realize continuous rainfall simulation impact on the road base body, meet people's detection needs for the road base body, and at the same time, the rainfall amount can be adjusted during the rainfall simulation process, which improves the authenticity of the simulation process, and the rainwater generated during the simulation process can be recycled through the circulation component, avoiding the waste of water resources. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the overall structure of the utility model.

[0017] Figure 2 This is a schematic diagram of the second water pump and return pipe distribution structure of the utility model.

[0018] Figure 3 It is a schematic diagram of the bottom structure of the top frame of the utility model.

[0019] Figure 4 For this utility model Figure 3 Schematic diagram of the enlarged structure at point A in the middle.

[0020] In the figure: 1. bottom box; 2. filter screen; 3. through groove; 4. mounting groove; 5. bearing plate; 6. support rod; 7. road base body; 8. water tank; 9. top frame; 10. motor; 11. connecting plate; 12. shell; 13. water guide pipe; 14. horizontal pipe; 15. water suction pipe; 16. first water pump; 17. second water pump; 18. return pipe; 19. threaded screw; 20. threaded sleeve; 21. spray hole; 22. baffle; 23. horizontal plate; 24. fixing frame; 25. guide rod; 26. guide cylinder. DETAILED DESCRIPTION

[0021] The technical solution of this patent is further described in detail below in conjunction with specific implementation methods.

[0022] The embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present invention, and cannot be understood as limiting the present invention.

[0023] In the description of this patent, it should be understood that the terms "center", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc., indicating the orientation or position relationship, are based on the orientation or position relationship shown in the drawings, and are only for the convenience of describing this patent and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on this patent.

[0024] In the description of this patent, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", and "set" should be understood in a broad sense, for example, it can be fixedly connected or set, or it can be detachably connected or set, or connected or set in one piece. For ordinary technicians in this field, the specific meanings of the above terms in this patent can be understood according to specific circumstances.

[0025] See also Figure 1 to Figure 4In an embodiment of the utility model, a roadbed precipitation simulation device includes a bottom box 1, a roadbed body 7 is arranged on the top of the bottom box 1, a support rod 6 is fixedly connected to the top outer wall of the bottom box 1, a top frame 9 is fixedly connected to the top outer wall of the support rod 6, and a shell 12 distributed at equal distances is fixedly connected to the inner walls on both sides of the top frame 9. The cross section of the shell 12 is rectangular, and the bottom of the shell 12 is provided with spray holes 21 distributed at equal distances. A water pipe 13 is arranged at one end of the shell 12, and the water pipe 13 is away from the shell 12. A horizontal pipe 14 is provided at the end, and a pumping pipe 15 is fixedly connected to the circumferential outer wall of the horizontal pipe 14. A water tank 8 is provided on the top of the bottom box 1, and a first water pump 16 is fixedly connected to the top outer wall of the water tank 8. The first water pump 16 is connected to the pumping pipe 15. A vertical pipe is provided at the bottom end of the first water pump 16, and the vertical pipe extends to the bottom of the water tank 8. A water injection pipe is plugged into the outer wall of one side of the water tank 8, which can complete the simulation of rainfall, realize the continuous rainfall simulation impact on the road base body 7, and meet people's detection needs for the road base body 7;

[0026] A water retaining assembly is provided below the top frame 9;

[0027] A circulation component is arranged on the top of the bottom box 1 .

[0028] Preferably, a mounting groove 4 is provided at the top of the bottom box 1, a through groove 3 is provided at the bottom of the mounting groove 4, and the number of the mounting groove 4 and the through groove 3 is four groups.

[0029] Preferably, the circulation component includes a second water pump 17 arranged on the top of the bottom box 1, and a connecting pipe and a return pipe 18 are respectively arranged on both sides of the second water pump 17. The return pipe 18 extends to the interior of the bottom box 1 at one end away from the second water pump 17. The rainwater generated during the simulation process will flow back to the interior of the bottom box 1 through the through groove 3, and then the rainwater will be pumped into the water tank 8 through the second water pump 17 and the return pipe 18, thereby realizing the recycling of water flow and avoiding the waste of water resources. In addition, during the water circulation process, the impurities generated when the road base body 7 is impacted can be effectively filtered through the filter net 2.

[0030] Preferably, a bearing plate 5 is clamped inside the mounting groove 4, and a filter screen 2 is fixedly connected to an outer wall of one side of the bearing plate 5. During the water circulation process, the filter screen 2 can effectively filter impurities generated when the road base body 7 impacts.

[0031] Preferably, the water retaining assembly includes a connecting plate 11 fixedly connected to the bottom outer wall of the top frame 9, a motor 10 is fixedly connected to one side outer wall of the connecting plate 11, a threaded screw 19 is fixedly connected to the output end of the motor 10, a threaded sleeve 20 is meshed with the circumferential outer wall of the threaded screw 19, a transverse plate 23 is fixedly connected to one side outer wall of the threaded sleeve 20, a fixing frame 24 is fixedly connected to the top outer wall of the transverse plate 23, a baffle 22 is fixedly connected to the fixing frame 24, the baffle 22 is arranged on one side of the spray hole 21, and the top outer wall of the baffle 22 is connected to the bottom outer wall of the shell 12. The guide rod 25 is fixedly connected to the outer wall of one side of the other connecting plate 11, and the guide cylinder 26 is sleeved on the circumferential outer wall of the guide rod 25. The guide cylinder 26 is fixedly connected to the cross plate 23. During the rainfall simulation, the motor 10 can be started, and the threaded screw 19 can be driven to rotate by the motor 10. During the rotation of the threaded screw 19, the threaded sleeve 20 engaged on its outer wall can drive the baffle 22 to move horizontally, so that the spray hole 21 can be effectively blocked, the rainfall amount can be adjusted, and the authenticity of the simulation process is improved.

[0032] Working principle: when the staff needs to inspect the quality of the road base body 7, the first water pump 16 can be started first. The clean water in the water tank 8 can be pumped into the cross pipe 14 through the first water pump 16. The water entering the cross pipe 14 will flow into the shell 12 through the water pipe 13 and be sprayed out from the spray hole 21, so as to complete the simulation of rainfall, realize the continuous rainfall simulation impact on the road base body 7, and meet people's inspection needs for the road base body 7. At the same time, the motor 10 can be started during the rainfall simulation process, and the motor 10 can drive the threaded screw 19 to rotate. During the rotation of the screw rod 19, the threaded sleeve 20 engaged on its outer wall can drive the baffle 22 to move horizontally, so that the spray hole 21 can be effectively blocked, the amount of rainfall can be adjusted, and the authenticity of the simulation process is improved. The rainwater generated during the simulation process will flow back to the bottom box 1 through the through groove 3, and then the rainwater will be pumped into the water tank 8 through the second water pump 17 and the return pipe 18, so that the water flow can be recycled and the waste of water resources can be avoided. In the process of water circulation, the impurities generated when the road base body 7 is impacted can be effectively filtered through the filter net 2.

[0033] It is obvious to those skilled in the art that the present invention is not limited to the details of the above exemplary embodiments, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention.

Claims

1. A roadbed precipitation simulation device, comprising a bottom box (1), characterized in that: A road base body (7) is arranged on the top of the bottom box (1); a support rod (6) is fixedly connected to the top outer wall of the bottom box (1); a top frame (9) is fixedly connected to the top outer wall of the support rod (6); shells (12) distributed at equal distances are fixedly connected to the inner walls on both sides of the top frame (9); the shells (12) have a rectangular cross section; spray holes (21) distributed at equal distances are opened at the bottom of the shell (12); a water pipe (13) is arranged at one end of the shell (12); the water pipe (13) ) is provided with a horizontal pipe (14) at one end away from the shell (12), and a water pumping pipe (15) is fixedly connected to the circumferential outer wall of the horizontal pipe (14); a water tank (8) is provided on the top of the bottom box (1), and a first water pump (16) is fixedly connected to the top outer wall of the water tank (8), and the first water pump (16) is connected to the water pumping pipe (15); a vertical pipe is provided at the bottom end of the first water pump (16), and the vertical pipe extends to the bottom of the water tank (8); and a water injection pipe is inserted into the outer wall of one side of the water tank (8); A water retaining assembly is provided below the top frame (9); A circulation component is arranged on the top of the bottom box (1).

2. A roadbed precipitation simulation device according to claim 1, characterized in that: The top of the bottom box (1) is provided with a mounting groove (4), the bottom of the mounting groove (4) is provided with a through groove (3), and the number of the mounting groove (4) and the through groove (3) is four groups.

3. A roadbed precipitation simulation device according to claim 2, characterized in that: The circulation assembly comprises a second water pump (17) arranged on the top of the bottom box (1), and connecting pipes and return pipes (18) are respectively arranged on both sides of the second water pump (17), and one end of the return pipe (18) away from the second water pump (17) extends to the interior of the bottom box (1).

4. A roadbed precipitation simulation device according to claim 3, characterized in that: A carrying plate (5) is clamped inside the installation groove (4), and a filter screen (2) is fixedly connected to an outer wall of one side of the carrying plate (5).

5. A roadbed precipitation simulation device according to claim 4, characterized in that: The water retaining assembly comprises a connecting plate (11) fixedly connected to the outer wall of the bottom of the top frame (9); a motor (10) is fixedly connected to one side outer wall of the connecting plate (11); a threaded screw (19) is fixedly connected to the output end of the motor (10); a threaded sleeve (20) is meshed with the circumferential outer wall of the threaded screw (19); and a transverse plate (23) is fixedly connected to one side outer wall of the threaded sleeve (20).

6. A roadbed precipitation simulation device according to claim 5, characterized in that: The top outer wall of the transverse plate (23) is fixedly connected to a fixing frame (24), and the fixing frame (24) is fixedly connected to a baffle (22). The baffle (22) is arranged on one side of the spray hole (21), and the top outer wall of the baffle (22) is in contact with the bottom outer wall of the shell (12).

7. A roadbed precipitation simulation device according to claim 6, characterized in that: A guide rod (25) is fixedly connected to an outer wall of one side of the other connecting plate (11), a guide cylinder (26) is sleeved on the circumferential outer wall of the guide rod (25), and the guide cylinder (26) is fixedly connected to the transverse plate (23).

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