Test device for simulating deformation of water supply pipeline under rainfall and load coupling effect
By designing a test device that simulates precipitation and load coupling, using the mobile tooth plate and circular soil storage box structure, the problem of fixed depth in the existing device is solved, and the pipeline deformation and stress state is comprehensively reflected under multiple tests, providing more comprehensive experimental data support.
Patent Information
- Application Number
- CN202422038538.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-08-22
- Publication Date
- 2025-08-19
- Estimated Expiration
- 2034-08-22
AI Technical Summary
The existing test equipment cannot adjust the embedding depth of the water supply pipeline in the soil, resulting in a single test data for each group, making it difficult to fully reflect the deformation characteristics and stress state of the pipeline at different embedding depths.
A test device that simulates precipitation and load coupling is designed. Through the combination of the precipitation system and the loading system, dynamic adjustment of the pipeline embedding depth is achieved. The mobile tooth plate and the circular storage box structure are used to simulate the deformation characteristics and stress state of the pipeline under different embedding depths.
It has achieved the ability to change the pipeline pre-buried depth in multiple experiments, fully reflecting the deformation characteristics and stress state of the pipeline at different depths, providing more comprehensive experimental data support.
Smart Images
Figure CN223244222U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of water conservancy projects, in particular to a test device for simulating deformation of a water supply pipeline under the coupling effects of precipitation and load. Background Art
[0002] The purpose of designing a test device for simulating the deformation of water supply pipelines under the coupled effects of precipitation and load is to simulate the actual working conditions of water supply pipelines in natural environments under the combined effects of precipitation (such as rainwater infiltration causing changes in groundwater levels) and external loads (such as traffic loads, soil pressure, etc.), so as to study the deformation characteristics, mechanical response and service performance of the pipelines. Through laboratory simulation, we can have a deeper understanding of the deformation mechanism of pipelines under different conditions and provide a scientific basis for the design, construction and maintenance of pipelines.
[0003] The design of the test device integrates a precipitation system and a loading system. This aims to simulate precipitation during and after precipitation, and to replicate the coupled effect of precipitation and load by applying a vertical load to the test pipe through the loading system. However, the current test setup cannot adjust the pre-embedded depth of the pipe in the soil. This fixedness limits the flexibility of the test, and each set of tests can only be conducted on pipes at a specific depth. As a result, each set of test data is single, making it difficult to fully reflect the deformation characteristics and stress state of the pipe at different pre-embedded depths. Utility Model Content
[0004] In response to the deficiencies in the prior art, the utility model provides the following technical solutions: a test device for simulating the deformation of a water supply pipe under the coupling action of precipitation and load, comprising a base plate, a pipe test mechanism for simulating external factors to test the deformation of the pipe, a test barrel fixedly mounted at the top center of the base plate, an inner circular hole being provided on the inner ring surface of the test barrel, a ring-shaped soil storage box being rotatably connected to the outer side of the test barrel, an outer circular hole being provided on the inner wall of the ring-shaped soil storage box on the side close to the test barrel, a one-way bearing gear being rotatably connected to the outer side of the ring-shaped soil storage box, a movable tooth plate being fixedly mounted at the rear end of the pipe test mechanism via a bracket, the movable tooth plate being meshed with the one-way bearing gear, and a vibration motor being provided at the bottom center of the base plate.
[0005] As an improvement to the above technical solution, the pipeline testing mechanism includes a test frame, which is fixedly mounted on the top of the base plate. A horizontal slot is formed on the top inner wall of the test frame. A drive motor is provided on the right side of the test frame. The left end of the drive motor passes through the right inner wall of the horizontal slot and extends into the interior of the horizontal slot. A rotating screw is fixedly mounted on the output end of the drive motor extending into the interior of the horizontal slot. A first movable block is threadedly connected to the outer side of the rotating screw. The first movable block is movably engaged with the horizontal slot. A precipitation system is fixedly mounted on the bottom end of the first movable block. A second movable block is threadedly connected to the outer side of the rotating screw. The second movable block is movably engaged with the horizontal slot. The second movable block is located on the right side of the first movable block. A loading system is fixedly mounted on the bottom of the first movable block. A connecting plate is fixedly mounted on the left side of the second movable block. The left end of the connecting plate is fixedly mounted to the right side of the first movable block. The rear end of the connecting plate is fixedly mounted to the movable tooth plate through a bracket. Through the cooperation of the structure within the pipeline testing mechanism, the interior of the test barrel is simulated to test the pipeline by external factors.
[0006] As an improvement of the above technical solution, an anti-blocking hanging plate is fixedly installed on the outside of the test barrel and on the upper side of the circular soil storage box. The anti-blocking hanging plate extends into the interior of the circular soil storage box at one end away from the test barrel, so that the anti-blocking hanging plate can clean the soil blocked in the outer circular hole when the circular soil storage box rotates.
[0007] As an improvement of the above technical solution, the precipitation system consists of a water tank and a shower head, and water is sprayed through the shower head to simulate a rainy day environment.
[0008] As an improvement of the above technical solution, the loading system consists of a hydraulic rod and a pressing disc. The hydraulic rod is extended to drive the pressing disc to move downward to press the soil in the test barrel.
[0009] The beneficial effects of the present invention are as follows: the precipitation system and the loading system simulate external factors on the inside of the test barrel, and test the pipeline through the coupling effect of precipitation and load. After a single test is completed, the precipitation system and the loading system drive the movable tooth plate to move to the right. When the movable tooth plate moves, it cooperates with the circular soil storage box and other structures to add an appropriate amount of soil into the test barrel, thereby changing the pre-buried depth of the pipeline. After multiple tests, the data are summarized through the different pre-buried depths of the pipeline in each group of tests, thereby comprehensively reflecting the deformation characteristics and stress state of the pipeline at different pre-buried depths. BRIEF DESCRIPTION OF THE DRAWINGS
[0010] Figure 1 This is the front view of the water supply pipe deformation test device of the utility model;
[0011] Figure 2 This is a cross-sectional view of the internal structure of the utility model;
[0012] Figure 3 For this utility model Figure 2 A magnified view of the structure at center A;
[0013] Figure 4 For this utility model Figure 2 A magnified view of the structure at point B in the middle;
[0014] Figure 5 For this utility model Figure 2 Enlarged view of the structure at point C in the middle.
[0015] Figure numerals: 1. Base plate; 2. Test frame; 21. Horizontal slot; 22. Drive motor; 23. Rotating screw; 24. First movable block; 25. Precipitation system; 26. Second movable block; 27. Loading system; 28. Connecting plate; 3. Test barrel; 31. Inner hole; 32. Circular soil storage box; 33. Outer hole; 34. One-way bearing gear; 35. Moving gear plate; 36. Vibration motor. DETAILED DESCRIPTION
[0016] In order to make the purpose, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not intended to limit the present invention.
[0017] Reference Attachment Figure 1 ,exist Figure 1 In the figure, a points to the front view, and b points to the right view. The above views are only used to understand the plan.
[0018] See also Figure 1-5 The utility model provides a technical solution: a test device for simulating the deformation of a water supply pipe under the coupling effect of precipitation and load, comprising a base plate 1, a pipeline testing mechanism for simulating external factors to test the deformation of the pipe is provided on the top of the base plate 1, a test barrel 3 is fixedly installed on the top center of the base plate 1, an inner circular hole 31 is opened on the inner ring surface of the test barrel 3, a circular ring soil storage box 32 is rotatably connected to the outside of the test barrel 3, an outer circular hole 33 is opened on the inner wall of the circular ring soil storage box 32 on the side close to the test barrel 3, a one-way bearing gear 34 is rotatably connected to the outside of the circular ring soil storage box 32, a movable tooth plate 35 is fixedly installed on the rear end of the pipeline testing mechanism through a bracket, the movable tooth plate 35 is meshed with the one-way bearing gear 34, and a vibration motor 36 is provided at the bottom center of the base plate 1.
[0019] Specifically, the pipeline test mechanism includes a test frame 2, which is fixedly mounted on the top of the base plate 1. A horizontal slot 21 is provided on the top inner wall of the test frame 2. A drive motor 22 is provided on the right side of the test frame 2. The left end of the drive motor 22 passes through the right inner wall of the horizontal slot 21 and extends into the interior of the horizontal slot 21. A rotating screw 23 is fixedly mounted on the output end of the drive motor 22 extending into the interior of the horizontal slot 21. The outer side of the rotating screw 23 is connected to a first moving block 24 by a thread. The first moving block 24 is movably engaged with the horizontal slot 21. The bottom end of the first movable block 24 is fixedly installed with a precipitation system 25, and the outer side of the rotating screw 23 is connected to the second movable block 26 through a thread. The second movable block 26 is movably engaged with the horizontal slot 21, and the second movable block 26 is located on the right side of the first movable block 24. The loading system 27 is fixedly installed at the bottom of the first movable block 24, and a connecting plate 28 is fixedly installed on the left side of the second movable block 26. The left end of the connecting plate 28 is fixedly installed on the right side of the first movable block 24, and the rear end of the connecting plate 28 is fixedly installed with the movable gear plate 35 through a bracket.
[0020] In this embodiment, the internal structure of the pipeline testing mechanism is coordinated to simulate external factors inside the test barrel 3 to test the pipeline.
[0021] Specifically, an anti-blocking hanging plate is fixedly installed on the outer side of the test barrel 3 and on the upper side of the annular soil storage box 32 , and one end of the anti-blocking hanging plate away from the test barrel 3 extends into the interior of the annular soil storage box 32 .
[0022] In this embodiment, the anti-blocking hanging plate of the annular soil storage box 32 cleans the soil blocked at the outer circular hole 33 when the annular soil storage box 32 rotates.
[0023] Specifically, the precipitation system 25 consists of two parts: a water storage tank and a shower head.
[0024] In this embodiment, water is sprayed out through the shower head to simulate a rainy day environment.
[0025] Specifically, the loading system 27 is composed of a hydraulic rod and a pressing disc.
[0026] In this embodiment, the hydraulic rod is extended to drive the pressing disc to move downward to press the soil in the test barrel 3.
[0027] When in use, first put a proper amount of soil at the bottom of the test barrel 3, then put it into the test pipe, and then add a proper amount of soil, start the drive motor 22, the drive motor 22 drives the rotating screw 23 to rotate, and the rotating screw 23 drives the first moving block 24 and the second moving block 26 to move synchronously to the left under the restriction of the horizontal slot 21, the first moving block 24 drives the precipitation system 25 to move to the left, the second moving block 26 drives the loading system 27 to move to the left, the first moving block 24 and the second moving block 26 drive the moving tooth plate 35 to move to the left through the connecting plate 28 and the bracket, and the moving tooth plate 35 moves to the left. When the one-way bearing gear 34 is engaged, the one-way bearing gear 34 is driven to rotate. The one-way bearing gear 34 cannot drive the annular soil storage box 32 to rotate. When the precipitation system 25 moves to the top of the center of the test barrel 3, the sprinkler head simulates rainy days and sprays rainwater. After the watering is completed, the loading system 27 moves to the top of the center of the test barrel 3, and the hydraulic rod extends to drive the pressing disc to move downward. The pressing disc moves downward into the test barrel 3 to press the soil. The pipeline is tested by the coupling effect of precipitation and load. After a single test is completed, the first moving block 24 and the second moving block 26 drive the precipitation system 25 and the loading system 27 to move downward. The carrier system 27 moves to the right, and the first moving block 24 and the second moving block 26 drive the moving gear plate 35 to move to the right through the connecting plate 28 and the bracket. When the moving gear plate 35 moves to the right, it engages with the one-way bearing gear 34 to drive the one-way bearing gear 34 to rotate, and the one-way bearing gear 34 drives the annular soil storage box 32 to rotate, and the annular soil storage box 32 drives the outer circular hole 33 to rotate. When the outer circular hole 33 rotates to communicate with the inner circular hole 31, the soil inside the annular soil storage box 32 flows into the test barrel 3 through the outer circular hole 33 and the inner circular hole 31, and the anti-blocking hanging plate cleans the soil blocked at the outer circular hole 33. By rotating the screw 2 The rotation speed of 3 can control the amount of soil flowing into the test barrel 3. When an appropriate amount of soil is added to the inside of the test barrel 3, since the soil is close to the inner ring surface of the test barrel 3, the vibration motor 36 is started. The vibration motor 36 vibrates to evenly spread the soil inside the test barrel 3 through the bottom plate 1, thereby changing the pre-buried depth of the pipeline. The precipitation system 25 and the loading system 27 are moved again to carry out the next test. Similarly, the working principle of multiple tests is the same as above. The data are summarized by using the different pre-buried depths of the pipeline in each group of tests, thereby comprehensively reflecting the deformation characteristics and stress state of the pipeline at different pre-buried depths.
[0028] The above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit the same.
Claims
1. A test device for simulating deformation of a water supply pipe under the coupled effects of precipitation and load, comprising a bottom plate (1), characterized in that: The top of the base plate (1) is provided with a pipeline test mechanism for simulating external factors to test pipeline deformation. A test barrel (3) is fixedly installed at the center of the top of the base plate (1). An inner circular hole (31) is provided on the inner ring surface of the test barrel (3). An annular soil storage box (32) is rotatably connected to the outside of the test barrel (3). An outer circular hole (33) is provided on the inner wall of the annular soil storage box (32) on one side close to the test barrel (3). A one-way bearing gear (34) is rotatably connected to the outside of the annular soil storage box (32). A movable tooth plate (35) is fixedly installed at the rear end of the pipeline test mechanism through a bracket. The movable tooth plate (35) is meshed with the one-way bearing gear (34). A vibration motor (36) is provided at the bottom center of the base plate (1).
2. The test device for simulating deformation of a water supply pipe under the coupled effects of precipitation and load according to claim 1, characterized in that: The pipeline test mechanism comprises a test frame (2), the test frame (2) is fixedly mounted on the top of the base plate (1), a horizontal slot (21) is provided on the top inner wall of the test frame (2), a driving motor (22) is provided on the right side of the test frame (2), the left end of the driving motor (22) passes through the right inner wall of the horizontal slot (21) and extends into the interior of the horizontal slot (21), a rotating screw (23) is fixedly mounted on the output end of the driving motor (22) extending into the interior of the horizontal slot (21), the outer side of the rotating screw (23) is connected to a first movable block (24) by a thread, and the first movable block (24) is movably engaged with the horizontal slot (21), The bottom end of the first moving block (24) is fixedly mounted with a precipitation system (25); the outer side of the rotating screw (23) is connected to a second moving block (26) by a thread; the second moving block (26) is movably engaged with the horizontal slot (21); the second moving block (26) is located on the right side of the first moving block (24); the bottom of the first moving block (24) is fixedly mounted with a loading system (27); the left side of the second moving block (26) is fixedly mounted with a connecting plate (28); the left end of the connecting plate (28) is fixedly mounted with the right side of the first moving block (24); and the rear end of the connecting plate (28) is fixedly mounted with a movable tooth plate (35) through a bracket.
3. The test device for simulating deformation of a water supply pipe under the coupled effects of precipitation and load according to claim 1, characterized in that: An anti-blocking hanging plate is fixedly installed on the outer side of the test barrel (3) and on the upper side of the annular soil storage box (32), and one end of the anti-blocking hanging plate away from the test barrel (3) extends into the interior of the annular soil storage box (32).
4. The test device for simulating deformation of a water supply pipe under the coupled effects of precipitation and load according to claim 2, characterized in that: The precipitation system (25) consists of two parts: a water storage tank and a shower head.
5. The test device for simulating deformation of a water supply pipe under the coupled effects of precipitation and load according to claim 2, characterized in that: The loading system (27) consists of a hydraulic rod and a pressing disc.