CN218766529U - Foundation model test device - Google Patents
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- CN218766529U CN218766529U CN202223153768.1U CN202223153768U CN218766529U CN 218766529 U CN218766529 U CN 218766529U CN 202223153768 U CN202223153768 U CN 202223153768U CN 218766529 U CN218766529 U CN 218766529U
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Abstract
The utility model provides a foundation model test device belongs to road design technical field, including ground model and the subassembly that soaks, the ground model includes open-top's model casing and elasticity supporting bench, the elasticity supporting bench is located model casing bottom surface, from last first layer roadbed filler and the second floor roadbed filler of having set gradually under to in the model casing, the subassembly that soaks includes first outlet pipe and second outlet pipe, the play water end of first outlet pipe is located in the first layer roadbed filler, the play water end of second outlet pipe is located in the second floor roadbed filler. The utility model provides a ground model test device carries out the selection that different road bed packed in the model casing according to the actual test condition, and the subassembly that soaks leads to into water respectively in first layer road bed packing and the second floor road bed packing, through observing the influence of water storage condition to the ground model, more omnidirectional research ground model has improved ground model test device's commonality.
Description
Technical Field
The utility model relates to a road design technical field, concretely relates to foundation model test device.
Background
With the improvement of economy and rapid development of traffic industry in China, the number and the load capacity of vehicles running on roads are increased continuously, and the influence on road health is great. Under the effect of long-term traffic load, the road foundation can be damaged and destroyed to different degrees, so that the bearing performance of the roadbed can be changed, and the service life of the roadbed can be seriously influenced.
The foundation of road design at the present stage usually adopts a Weckel foundation model to carry out an analysis theory, and the stress and the strain of the foundation model are analyzed, but the existing Weckel foundation model cannot carry out a water seepage test on the foundation model, for example, a road foundation simulation model for road design is disclosed in CN212477677U, and the simulation of the foundation is completed through a baffle, a soft rubber cushion and a compression spring, but the model cannot simulate a more real foundation, and the water seepage test cannot be carried out on the foundation on the model, so that the test limitation exists.
SUMMERY OF THE UTILITY MODEL
Therefore, the to-be-solved technical problem of the utility model lies in overcoming the unable more real simulation ground of foundation model at present stage, can not carry out the experimental defect of infiltration to a foundation model test device is provided.
In order to solve the technical problem, the utility model provides a foundation model test device, include:
the foundation model comprises a model shell with an opening at the top and an elastic support platform, wherein the elastic support platform is arranged on the bottom surface of the model shell, and a first layer of roadbed filler and a second layer of roadbed filler are sequentially arranged in the model shell from top to bottom;
the water immersion component comprises a first water outlet pipe and a second water outlet pipe, wherein the water outlet end of the first water outlet pipe is arranged in the first layer of roadbed filler, the water outlet end of the second water outlet pipe is arranged in the second layer of roadbed filler, and the first water outlet pipe and the second water outlet pipe are respectively communicated with an external water source.
Preferably, the mould shell is a transparent PVC plastic plate.
Preferably, the bottom surface of the model shell is provided with a water seepage hole, and the water seepage hole is provided with a valve for controlling the on-off of the water seepage hole.
Preferably, the first water outlet pipes are horizontally arranged in the first layer of roadbed filling material, first water outlet holes are uniformly distributed in the first water outlet pipes, and the first water outlet pipes are communicated with an external water source through first connecting pipes;
the second water outlet pipe is horizontally arranged in the second layer of roadbed filling material, second water outlet holes are uniformly distributed on the second water outlet pipe, and the second water outlet pipe is communicated with an external water source through a second connecting pipe.
Preferably, a flow control valve and a pump body are distributed on the first connecting pipe and the second connecting pipe.
Preferably, the method further comprises the following steps:
the mounting frame is erected above the foundation model;
the force application assembly is arranged on the top beam of the mounting frame in a sliding mode, the output end of the force application assembly faces the top surface of the foundation model, and the output end of the force application assembly is provided with a force application piece;
the pressure detection piece is arranged between the output end of the force application component and the force application piece;
and the distance measuring assembly is arranged below the model shell.
Preferably, a moving assembly is arranged on the top beam of the mounting frame, the output end of the moving assembly is connected with the force application assembly, and the moving assembly drives the force application assembly to move along the length direction of the top beam of the mounting frame.
Preferably, the force application assemblies and the moving assemblies are provided with multiple groups, and the force application assemblies correspond to the moving assemblies one to one.
Preferably, the ranging assembly comprises:
the first rack is vertically and fixedly arranged on the bottom surface of the model shell;
the second rack is horizontally arranged, the second rack is connected with the first rack through a first gear set, and the first rack vertically moves to drive the second rack to horizontally move through the first gear set;
the third rack is vertically arranged and is connected with the second rack through a second gear set, the second rack horizontally moves and drives the third rack to vertically move through the second gear set, and a pointer is arranged on the side wall of the third rack;
the dial is vertically arranged on one side of the third rack, and the pointer points to the dial.
Preferably, the distance measuring assemblies are provided with two groups, and the two groups of distance measuring assemblies are respectively arranged on two sides of the bottom surface of the model shell.
The utility model discloses technical scheme has following advantage:
1. the utility model provides a ground model test device, the ground model includes model shell and elastic support platform, from last first layer roadbed filler and the second floor roadbed filler of setting gradually extremely down in the model shell, according to the actual test condition, carry out the selection of different roadbed fillers, the actual ground condition of simulation that can be better, the setting of subassembly that soaks can be respectively to leading to into water in first layer roadbed filler and the second floor roadbed filler, through observing the influence of water storage condition to the ground model, more omnidirectional research ground model, the commonality of ground model test device has been improved.
2. The utility model provides a model shell is transparent PVC plastic slab, and stability is good, directly observes the atress condition in the model shell through transparent PVC plastic slab, can observe the roadbed packing and must the layering and the deformation condition under the atress condition, the actual atress condition of better understanding road.
3. The utility model provides a model shell bottom surface sets up the infiltration hole, has the valve of its break-make of control on the infiltration hole, when closing the infiltration hole, can observe the influence of water to the ground when storing in model shell, when opening the infiltration hole, the water of collecting together can flow, can observe the influence of flowing water to the ground.
4. The utility model provides a first outlet pipe is arranged in to first layer roadbed filler water delivery, and the first apopore of multiunit that the equipartition set up can be even send into first layer roadbed filler with water in, and same second outlet pipe is arranged in to second layer roadbed filler even water delivery, can the influence of real-time observation water delivery and water storage time to the ground model.
5. The utility model provides a distribute on first connecting pipe and the second connecting pipe and be provided with the flow control valve and the pump body, the pump body is arranged in providing power to the water delivery in the connecting pipe, and the flow control valve is used for controlling the flow and the break-make of water delivery, can control the water delivery volume, observes the influence of different water quantums to the ground.
6. The utility model provides a ground model test device is including the mounting bracket of erectting in ground model top, it is provided with the application of force subassembly to slide on the mounting bracket back timber, the output of application of force subassembly has application of force spare, carry out the application of force to the ground model through application of force spare, set up pressure detection spare between application of force subassembly's output and application of force spare, can be accurate real-time monitor the application of force subassembly to the application of force condition of ground model, the range finding subassembly of model casing below is used for detecting the displacement of model casing, the association has been realized with the displacement that range finding subassembly detected to the application of force subassembly application of force, through the different power that control application of force subassembly was exerted, detect the different displacements that the ground model produced, make test data more clear and definite, more accurate be applied to in the road ground design.
7. The utility model provides a be equipped with the removal subassembly on the back timber of mounting bracket, the application of force subassembly is connected with the output of removal subassembly, and the removal subassembly drives the application of force subassembly and removes, can realize the application of force to the different positions department of ground model top surface, and is experimental more comprehensive, more approaches the atress condition of actual road ground.
8. The utility model provides a force application subassembly has the multiunit with the removal subassembly, can realize the many places application of force simultaneously to ground model top surface, perhaps only to a department application of force, can simulate more stress condition.
9. The utility model provides a range finding subassembly includes first rack, second rack and third rack, cooperation through three group's racks, shift ground model's removal and instruct on the calibrated scale, first rack and model shell bottom surface fixed connection, ground model atress removes and drives first rack and remove, first rack removes and drives second rack horizontal migration through first gear train, the second rack removes and drives the vertical removal of third rack through the second gear train, make pointer on the third rack remove on the calibrated scale, carry out the instruction of specific numerical value, not only can measure the specific numerical value of removal at the in-process of exerting pressure, also can audio-visually observe on the calibrated scale, it is accurate to detect, observe directly perceived.
10. The utility model provides a range finding subassembly is equipped with two sets ofly, locates model shell bottom surface both sides respectively, and two sets of range finding subassemblies simultaneously measure the displacement of ground model, if the atress of ground model is more partial one side, the detection data of those two sets of range finding subassemblies show different data respectively according to the atress condition of ground model, can adapt to the different atress condition of ground model, carry out accurate distance measurement.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a concrete implementation of a foundation model testing apparatus provided in an embodiment of the present invention;
FIG. 2 is a schematic view of the foundation model and the flooding assembly of FIG. 1;
fig. 3 is a schematic structural diagram of the distance measuring assembly in fig. 1.
Description of the reference numerals:
1. a foundation model; 2. a mold shell; 3. an elastic support table; 4. a first layer of roadbed filling; 5. a second layer of roadbed filling; 6. a water immersion component; 7. a first water outlet pipe; 8. a second water outlet pipe; 9. a water seepage hole; 10. a first water outlet; 11. a first connecting pipe; 12. an external water source; 13. a second water outlet; 14. a second connection pipe; 15. a mounting frame; 16. a force application assembly; 17. a force application member; 18. a pressure detecting member; 19. a ranging assembly; 20. a moving assembly; 21. a first rack; 22. a second rack; 23. a first gear set; 24. a third rack; 25. a second gear set; 26. a pointer; 27. a dial.
Detailed Description
The technical solutions of the present invention will be described more clearly and completely with reference to the accompanying drawings, and it should be understood 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.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
Furthermore, the technical features mentioned in the different embodiments of the present invention described below can be combined with each other as long as they do not conflict with each other.
The foundation model test device that this embodiment provided is applicable to and carries out atress analysis and immersion analysis to the road foundation.
As shown in fig. 1 and fig. 2, a concrete implementation of the foundation model testing apparatus provided in this embodiment includes a foundation model 1 and a water immersion component 6, where the water immersion component 6 is used to deliver water into the foundation model 1, perform a water penetration test, and observe the influence on the foundation model 1 after water delivery. Ground model 1 includes open-top's model casing 2 and elastic support platform 3, elastic support platform 3 locates 2 bottom surfaces of model casing, from last first layer road bed filler 4 and the second floor road bed filler 5 of having set gradually under to in the model casing 2, first layer road bed filler 4 and second floor road bed filler 5 can carry out the selection that different road bed fillers were packed according to actual conditions, for example can be coarse and fine sand or stone etc. more real simulation ground condition, and experimental effect is better, and subassembly 6 that soaks includes first outlet pipe 7 and second outlet pipe 8, the play water end of first outlet pipe 7 is located in the first layer road bed filler 4, the play water end of second outlet pipe 8 is located in the second floor road bed filler 5, first outlet pipe 7 and second outlet pipe 8 communicate with outside water source 12 respectively. Water is respectively led into the first layer of roadbed filling 4 and the second layer of roadbed filling 5 through the first water outlet pipe 7 and the second water outlet pipe 8, and the foundation model is researched more comprehensively by observing the influence of the water storage condition on the foundation model, so that the universality of the test device is improved. In addition, as an alternative embodiment, the model casing 2 may be provided with other number of layers of roadbed filling materials, and the number of layers may be selected according to the actual roadbed situation.
As shown in fig. 1 and fig. 2, in the foundation model test device that this embodiment provided, model casing 2 is transparent PVC plastic slab, and stability is good, directly observes the atress condition in model casing 2 through transparent PVC plastic slab, can observe the road bed filler and must layer and the deformation condition under the atress condition, better understanding road actual atress condition. In an alternative embodiment, the mold case 2 may be made of a transparent glass material, or the mold case 2 may be made of another opaque material, and the side wall thereof may be provided with a transparent observation window for observation.
As shown in fig. 2, in the foundation model test device provided by this embodiment, the bottom surface of the model shell 2 is provided with the water seepage hole 9, the valve for controlling the on-off of the water seepage hole 9 is arranged on the water seepage hole 9, when the water seepage hole 9 is closed, the influence of water stored in the model shell 2 on the roadbed filler can be observed, when the water seepage hole 9 is opened, the accumulated water can flow out, and the influence of running water on the roadbed filler can be observed. The seepage holes 9 can be provided with a plurality of groups, and are uniformly distributed on the bottom surface of the model shell 2, so that the water can be discharged uniformly and smoothly.
As shown in fig. 2, in the foundation model test device provided in this embodiment, a first water outlet pipe 7 is horizontally arranged in a first layer of roadbed filler 4, first water outlet holes 10 are uniformly distributed on the first water outlet pipe 7, and the first water outlet pipe 7 is communicated with an external water source 12 through a first connecting pipe 11; the second water outlet pipe 8 is horizontally arranged in the second layer of roadbed filling 5, second water outlet holes 13 are uniformly distributed on the second water outlet pipe 8, and the second water outlet pipe 8 is communicated with an external water source 12 through a second connecting pipe 14. When the stress of the model shell 2 is reduced, the first connecting pipe 11 and the second connecting pipe 14 move along with the model shell, so that the movement of the model shell 2 is not interfered, and meanwhile, the water seepage test of the foundation model 1 in the stress process is not influenced. The first apopore 10 of multiunit that the equipartition set up on first outlet pipe 7 can be even send into first layer roadbed filler 4 with water, and the second apopore 13 that the equipartition set up on same second outlet pipe 8 can be even send into second layer roadbed filler 5 with water, can observe the influence of water delivery volume and water storage time to the ground model in real time, and the audio-visual influence condition of seeing out the water storage to the ground. In addition, as an alternative embodiment, the first water outlet pipe 7 and the second water outlet pipe 8 can be arranged along the inner wall of the model shell 2 in a circle, and water is uniformly fed into the model shell 2 from the outside to the inside.
As shown in fig. 2, in the foundation model testing apparatus provided in this embodiment, the first connecting pipe 11 and the second connecting pipe 14 are respectively provided with a flow control valve and a pump body, the pump body is used for providing power for water delivery in the connecting pipes, and the flow control valve is used for controlling the flow rate and on-off of the water delivery, so as to control the water delivery amount and observe the influence of different water amounts on the foundation. In addition, as an alternative embodiment, a control valve and a flow meter may be provided on the first connection pipe 11 and the second connection pipe 14 instead of the flow control valve.
As shown in fig. 1 and fig. 3, in the foundation model test device that this embodiment provided, still include mounting bracket 15, application of force subassembly 16, pressure detection spare 18 and range finding subassembly 19, mounting bracket 15 erects in foundation model 1 top, application of force subassembly 16 slides and locates on the back timber of mounting bracket 15, application of force subassembly 16's output orientation foundation model 1 top surface, application of force subassembly 16's output has application of force spare 17, and pressure detection spare 18 is located application of force subassembly 16's output with between application of force spare 17, range finding subassembly 19 is located model shell 2 below. Force application component 16 can be the cylinder, the electric cylinder, mechanism such as sharp module, be used for promoting force application member 17 and remove downwards, apply pressure to ground model 1, pressure detection 18 can be pressure sensor, pressure detection 18 can accurate real-time monitoring force application component 16 to the application of force condition of ground model 1, range finding subassembly 19 of model casing 2 below is used for detecting the displacement of model casing 2, the force application of force subassembly 16 has realized the relevance with the displacement that range finding subassembly 19 detected, through the different power that control force application subassembly 16 applyed, detect the different displacements that ground model 1 produced, make test data more clear and definite, more accurate be applied to in the road foundation design.
As shown in fig. 1, in the foundation model testing apparatus provided in this embodiment, a moving assembly 20 is disposed on a top beam of a mounting frame 15, an output end of the moving assembly 20 is connected to the force application assembly 16, and the moving assembly 20 drives the force application assembly 16 to move along a length direction of the top beam of the mounting frame 15. The moving assembly 20 drives the force application assembly 16 to move, so that force application to different positions of the top surface of the foundation model 1 can be realized, the test is more comprehensive, and the stress condition of the actual road foundation is closer to the stress condition of the actual road foundation. The moving component 20 may be a linear module or the like, and performs the movement of the position of the force application component 16.
As shown in fig. 1, in the foundation model testing apparatus provided in this embodiment, the force application assemblies 16 and the moving assemblies 20 have multiple sets, and the force application assemblies 16 and the moving assemblies 20 correspond to each other one to one, so that multiple positions on the top surface of the foundation model can be simultaneously applied with force, or only one position is applied with force, and more stress conditions can be simulated. For example, the force application components 16 can be set into two groups, which are respectively arranged on two sides above the foundation model 1, and can simultaneously apply pressure to the top surface of the foundation model 1, or only use one group to apply pressure to one side of the top surface of the foundation model 1, so as to simulate the stress conditions of different positions of the foundation.
As shown in fig. 3, in the foundation model testing apparatus provided in this embodiment, the distance measuring assembly 19 includes a first rack 21, a second rack 22, a third rack 24 and a scale 27, the first rack 21 is vertically and fixedly disposed on the bottom surface of the model housing 2, the second rack 22 is horizontally disposed, the second rack 22 is connected to the first rack 21 through a first gear set 23, the first rack 21 vertically moves to drive the second rack 22 to horizontally move through the first gear set 23, the third rack 24 is vertically disposed, the third rack 24 is connected to the second rack 22 through a second gear set 25, the second rack 22 horizontally moves to drive the third rack 24 to vertically move through the second gear set 25, a pointer 26 is disposed on a side wall of the third rack 24, the scale 27 is vertically disposed on one side of the third rack 24, and the pointer 26 points to the scale 27. Through the cooperation of three sets of racks, the movement of the foundation model 1 is transferred to the dial 27 to indicate specific numerical values, the specific numerical values of the movement can be measured in the pressure applying process, the movement can be visually observed on the dial 27, the detection is accurate, and the observation is visual. In addition, as an alternative embodiment, the distance measuring assembly 19 may have other structures, for example, a displacement sensor may be used for measuring the distance.
As shown in fig. 1, in the foundation model testing apparatus provided in this embodiment, two sets of distance measuring assemblies 19 are provided, and the two sets of distance measuring assemblies 19 are respectively provided on two sides of the bottom surface of the model shell 2. The two groups of distance measuring assemblies 19 measure the displacement of the foundation model 1 simultaneously, if the stress of the foundation model 1 is deviated to one side, the detection data of the two groups of distance measuring assemblies 19 respectively display different data according to the stress condition of the foundation model 1, so that the different stress conditions of the foundation model 1 can be adapted to, and accurate distance measurement is carried out.
It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. This need not be, nor should it be exhaustive of all embodiments. And obvious changes and modifications may be made without departing from the scope of the present invention.
Claims (10)
1. The utility model provides a foundation model test device which characterized in that: the method comprises the following steps:
the foundation model (1) comprises a model shell (2) with an opening at the top and an elastic support platform (3), wherein the elastic support platform (3) is arranged on the bottom surface of the model shell (2), and a first layer of roadbed filler (4) and a second layer of roadbed filler (5) are sequentially arranged in the model shell (2) from top to bottom;
the water immersion component (6) comprises a first water outlet pipe (7) and a second water outlet pipe (8), wherein the water outlet end of the first water outlet pipe (7) is arranged in the first layer of roadbed filler (4), the water outlet end of the second water outlet pipe (8) is arranged in the second layer of roadbed filler (5), and the first water outlet pipe (7) and the second water outlet pipe (8) are respectively communicated with an external water source (12).
2. A foundation model test device according to claim 1, characterized in that the model shell (2) is a transparent PVC plastic plate.
3. The foundation model test device according to claim 1, wherein the bottom surface of the model shell (2) is provided with a water seepage hole (9), and the water seepage hole (9) is provided with a valve for controlling the on-off of the water seepage hole.
4. The foundation model test device according to claim 1, wherein the first water outlet pipe (7) is horizontally arranged in the first layer of roadbed filler (4), first water outlet holes (10) are uniformly distributed on the first water outlet pipe (7), and the first water outlet pipe (7) is communicated with an external water source (12) through a first connecting pipe (11);
the second outlet pipe (8) is horizontally arranged in the second layer of roadbed filling (5), a second water outlet hole (13) is uniformly distributed on the second outlet pipe (8), and the second outlet pipe (8) is communicated with an external water source (12) through a second connecting pipe (14).
5. The foundation model test device according to claim 4, wherein a flow control valve and a pump body are distributed on the first connecting pipe (11) and the second connecting pipe (14).
6. The foundation model testing apparatus of any one of claims 1 to 5, further comprising:
the mounting frame (15) is erected above the foundation model (1);
the force application component (16) is arranged on the top beam of the mounting frame (15) in a sliding mode, the output end of the force application component (16) faces the top surface of the foundation model (1), and the output end of the force application component (16) is provided with a force application piece (17);
the pressure detection piece (18) is arranged between the output end of the force application component (16) and the force application piece (17);
and the distance measuring assembly (19) is arranged below the model shell (2).
7. The foundation model test device according to claim 6, wherein a moving assembly (20) is arranged on a top beam of the mounting rack (15), an output end of the moving assembly (20) is connected with the force application assembly (16), and the moving assembly (20) drives the force application assembly (16) to move along the length direction of the top beam of the mounting rack (15).
8. The foundation model testing device according to claim 7, wherein the force application assemblies (16) and the moving assemblies (20) are provided with multiple groups, and the force application assemblies (16) and the moving assemblies (20) are in one-to-one correspondence.
9. The foundation model testing apparatus of claim 6, wherein the ranging assembly (19) comprises:
the first rack (21) is vertically and fixedly arranged on the bottom surface of the model shell (2);
the second rack (22) is horizontally arranged, the second rack (22) is connected with the first rack (21) through a first gear set (23), and the first rack (21) vertically moves to drive the second rack (22) to horizontally move through the first gear set (23);
the third rack (24) is vertically arranged, the third rack (24) is connected with the second rack (22) through a second gear set (25), the second rack (22) horizontally moves and drives the third rack (24) to vertically move through the second gear set (25), and a pointer (26) is arranged on the side wall of the third rack (24);
and the dial (27) is vertically arranged on one side of the third rack (24), and the pointer (26) points to the dial (27).
10. The foundation model test device according to claim 6, wherein the distance measuring assemblies (19) are provided in two groups, and the two groups of distance measuring assemblies (19) are respectively arranged on two sides of the bottom surface of the model shell (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223153768.1U CN218766529U (en) | 2022-11-24 | 2022-11-24 | Foundation model test device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202223153768.1U CN218766529U (en) | 2022-11-24 | 2022-11-24 | Foundation model test device |
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| CN218766529U true CN218766529U (en) | 2023-03-28 |
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| CN202223153768.1U Active CN218766529U (en) | 2022-11-24 | 2022-11-24 | Foundation model test device |
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