CN117191425A - Vehicle moving load loading device suitable for indoor model test - Google Patents
Vehicle moving load loading device suitable for indoor model test Download PDFInfo
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- CN117191425A CN117191425A CN202311445118.0A CN202311445118A CN117191425A CN 117191425 A CN117191425 A CN 117191425A CN 202311445118 A CN202311445118 A CN 202311445118A CN 117191425 A CN117191425 A CN 117191425A
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- 238000012360 testing method Methods 0.000 title claims abstract description 21
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 30
- 229910052742 iron Inorganic materials 0.000 claims abstract description 15
- 229910000831 Steel Inorganic materials 0.000 claims description 41
- 239000010959 steel Substances 0.000 claims description 41
- 230000001360 synchronised effect Effects 0.000 claims description 13
- 241000282376 Panthera tigris Species 0.000 claims description 3
- 238000009434 installation Methods 0.000 claims description 3
- 238000005096 rolling process Methods 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 7
- 125000004122 cyclic group Chemical group 0.000 description 5
- 238000013461 design Methods 0.000 description 5
- 238000004088 simulation Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000000007 visual effect Effects 0.000 description 2
- 238000004891 communication Methods 0.000 description 1
- 230000008094 contradictory effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000013401 experimental design Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
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Abstract
The application discloses a vehicle moving load loading device suitable for an indoor model test, which comprises a lane model, wherein a trolley model for generating load to the lane model and a traction device for driving the trolley model to move are arranged on the lane model. The application can accurately simulate the real vehicle load, the load distribution of the real vehicle with light front and heavy rear can be simulated by arranging different load positions on the vehicle body, and the load can be controlled by controlling the number of the iron sheets at different load positions of the trolley.
Description
Technical Field
The application belongs to the technical field of civil engineering indoor model tests, and particularly relates to a vehicle moving load loading device suitable for an indoor model test.
Background
Civil engineering can be simply understood as the subject of studying structure and load, and indoor model test is an indispensable link in the scientific study of civil engineering, so how to consider load in model test, i.e. how to design load loading device is an important link in the experimental design process.
In civil engineering, loads can be classified into static loads and dynamic loads, and vehicle moving loads are a common type of dynamic loads. At present, in an indoor model test, a vibration exciter is basically used for applying a moving cyclic reciprocating load, but equipment cost is high by adopting the vibration exciter I, and the simulation of the vehicle load is inaccurate and not intuitive.
Disclosure of Invention
The application discloses a vehicle moving load loading device suitable for an indoor model test of civil engineering, which solves the problems of high equipment cost, inaccurate load simulation and poor vehicle simulation intuitiveness of the existing moving load loading device in the model test, thereby effectively solving at least one technical problem related to the background technology.
In order to achieve the above purpose, the technical scheme of the application is as follows:
the utility model provides a vehicle removes load loading device suitable for indoor model test, includes the lane model, be provided with on the lane model be used for to the dolly model that produces the load and be used for driving the draw gear that the dolly model removed, wherein:
the trolley model comprises two long steel bars which are arranged at intervals and short steel bars which are arranged between the two long steel bars and used for simulating different load positions of a vehicle, the short steel bars are provided with through holes, long screws are fixedly arranged in the through holes, and load iron sheets used for adjusting the load are placed on the long screws;
the traction device comprises a fixing frame, a driving belt, a synchronous idler wheel and a sliding belt, wherein the fixing frame is fixed on the side edge of the lane model through a tiger clamp, a motor is installed on the fixing frame, a rotating wheel is installed on the motor, one end of the driving belt is arranged on the rotating wheel, the other end of the driving belt is connected with the synchronous idler wheel, the synchronous idler wheel is fixed with the lane model through a fixing rod, one end of the sliding belt is arranged on the synchronous idler wheel, and the other end of the sliding belt is connected with the trolley model.
As a preferred improvement of the present application, wheels are fixed under the short steel bars by the long screws.
As a preferable improvement of the application, the two outer sides of the long steel bar are fixedly provided with sliding belt fixing bars through screw installation, and the sliding belt is connected with the sliding belt fixing bars.
As a preferred improvement of the present application, the trolley model further comprises a guide wheel provided at an end of the long steel bar for rolling in contact with an inner wall of the lane model.
As a preferable improvement of the application, every two adjacent short steel bars are arranged into a group, four long screws are arranged on one group of short steel bars, and the holes at four corners of the load iron sheet are firmly sleeved with the four long screws.
As a preferred development of the application, the lane model consists of a double-chamber model box with an open top.
The beneficial effects of the application are as follows:
1. according to the application, different load positions are arranged on the vehicle body, so that the load distribution of the front light and rear heavy of a real vehicle can be simulated, and the number of iron sheets can be controlled by controlling the number of the iron sheets at the different load positions of the trolley, so that the load can be controlled;
2. the traction device is connected with the trolley model, so that the trolley can reciprocate along with the sliding belt, and the cyclic reciprocating moving load of the trolley can be simulated;
3. the vehicle moving load loading device provided by the application is simple in design, easy to install and use and lower in cost compared with a common vibration exciter loading device;
4. the vehicle moving load loading device provided by the application has visual design, can accurately simulate the real vehicle load, and can adjust the size and distribution of the vehicle load;
5. the vehicle moving load loading device provided by the application has strong applicability, and can simulate various vehicle load conditions including cyclic load and different lane numbers.
Drawings
Fig. 1 is a schematic diagram of a structure of a trolley model without load iron plates;
FIG. 2 is a schematic diagram of a structure of a trolley model with a load iron sheet placed;
FIG. 3 is a schematic view of a portion of a part of a cart model;
FIG. 4 is a schematic structural view of an assembled motor;
FIG. 5 is a schematic diagram of the motor assembly components;
FIG. 6 is a schematic diagram of the overall structure of the present application;
FIG. 7 is a schematic diagram of a traction device;
FIG. 8 is a schematic diagram of the connection of the traction device to the cart model;
fig. 9 is a schematic diagram of a model test.
In the figure: 1-trolley model, 11-long steel bar, 12-short steel bar, 13-wheel, 14-long screw, 15-guide wheel, 16-sliding belt fixing bar, 17-load iron sheet, 2-traction device, 21-motor, 22-rotating wheel, 23-fixing frame, 24-tiger clip, 25-driving belt, 26-sliding belt, 27-fixing rod, 28-synchronous idler wheel, 3-lane model and 4-model box.
Detailed Description
The technical solutions of the embodiments of the present application will be clearly and completely described in the following in conjunction with the embodiments of the present application, and it is obvious that the described embodiments are only some embodiments of the present application, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application.
It should be noted that all directional indicators (such as up, down, left, right, front, and rear … …) in the embodiments of the present application are merely used to explain the relative positional relationship, movement, etc. between the components in a particular posture (as shown in the drawings), and if the particular posture is changed, the directional indicator is changed accordingly.
Furthermore, descriptions such as those referred to as "first," "second," and the like, are provided for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implying an order of magnitude of the indicated technical features in the present disclosure. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present application, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.
In the present application, unless specifically stated and limited otherwise, the terms "connected," "affixed," and the like are to be construed broadly, and for example, "affixed" may be a fixed connection, a removable connection, or an integral body; can be mechanically or electrically connected; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art according to the specific circumstances.
In addition, the technical solutions of the embodiments of the present application may be combined with each other, but it is necessary to be based on the fact that those skilled in the art can implement the technical solutions, and when the technical solutions are contradictory or cannot be implemented, the combination of the technical solutions should be considered as not existing, and not falling within the scope of protection claimed by the present application.
Referring to fig. 1 to 8, the present embodiment provides a vehicle moving load loading device suitable for an indoor model test, which includes a lane model 3, wherein a trolley model 1 for generating a load on the lane model 3 and a traction device 2 for driving the trolley model 1 to move are arranged on the lane model 3.
The body of the trolley model 1 is composed of a basic frame composed of long steel bars 11 and short steel bars 12. Specifically, the quantity of the long steel bars 11 is two and the long steel bars 11 are arranged at intervals in parallel, the short steel bars 12 are fixedly arranged between the two long steel bars 11, through holes are uniformly formed in the short steel bars 12 and the long steel bars 11, long screws 14 are fixedly arranged in the through holes at two ends of the short steel bars 12, and wheels 13 are fixedly arranged below the short steel bars 12 through the long screws 14.
In practice, the apertures of the long steel bar 11, the short steel bar 12 and the wheel 13 should be uniform in size, and the apertures are aligned and screwed during assembly.
The long steel bars 14 are provided with load iron sheets 17, and it is further required to explain that a plurality of short steel bars 12 are fixedly arranged between the long steel bars 11, two long steel bars 14 are arranged on one short steel bar 12, two adjacent short steel bars 12 are in a group, namely, one group of short steel bars comprises four long screws, and specifically, holes in four corners of the load iron sheets 17 are firmly sleeved with the four long screws on one group of short steel bars.
In this embodiment, the load distribution situation of the real vehicle may be simulated by setting different load positions, and at the same time, different vehicle load sizes may be simulated by placing different numbers of load iron sheets.
The trolley model 1 further comprises guide wheels 15, wherein the guide wheels 15 are arranged on the side face of the vehicle body, and friction between the trolley and the inner wall of the lane model is reduced as much as possible while the movement direction of the trolley is controlled.
The traction device 2 comprises a motor 21, a rotating wheel 22, a fixing frame 23, a driving belt 25, a sliding belt 26 and a synchronous idler 28, wherein the rotating wheel 22 is installed on the motor 21, the motor 21 is fixed on the fixing frame 23 through screws, the fixing frame 23 is fixed on two sides of the lane model 3 through a tiger clip 24, the synchronous idler 28 is fixed with the lane model 3 through a fixing rod 27, one end of the driving belt 25 is arranged on the rotating wheel 22, the other end of the driving belt 25 is connected with the synchronous idler 28, one end of the sliding belt 26 is arranged on the synchronous idler 28, and the other end of the sliding belt 26 is connected with the trolley model 1.
Specifically, the two outer sides of the long steel bar 11 are fixed with a sliding belt fixing strip 16 through screw installation, and the sliding belt 26 is connected with the sliding belt fixing strip 16.
The lane model 3 is composed of a double-cavity model box with an open top, and when the method is implemented, open top boxes with different numbers of chambers can be customized to simulate the situation of multiple lanes.
As shown in fig. 9, the vehicle moving load loading device provided by the present application is placed on a model box 4 for test, and the model box 4 is filled with soil, driven with a dummy pile or simulated underground space according to the test purpose.
When the motor 21 of the traction device 2 is started, the rotating wheel 22 starts to rotate, the driving belt 25 moves along with the rotating wheel 22, the sliding belt 26 is driven to move by the synchronous idler wheel 28, and the sliding belt 26 pulls the trolley model 1 to move by the sliding belt fixing strip 16.
When the trolley model 1 starts to move, the guide wheels 15 are attached to the inner wall of the lane model 3 and roll, so that the trolley model 1 is ensured to move in a direction parallel to the lane model 3.
In this embodiment, different programs can be programmed to control the motor 21, so as to simulate the vehicle moving loads with different vehicle speeds and different reciprocating cycle times.
The beneficial effects of the application are as follows:
1. according to the application, different load positions are arranged on the vehicle body, so that the load distribution of the front light and rear heavy of a real vehicle can be simulated, and the number of iron sheets can be controlled by controlling the number of the iron sheets at the different load positions of the trolley, so that the load can be controlled;
2. the traction device is connected with the trolley model, so that the trolley can reciprocate along with the sliding belt, and the cyclic reciprocating moving load of the trolley can be simulated;
3. the vehicle moving load loading device provided by the application is simple in design, easy to install and use and lower in cost compared with a common vibration exciter loading device;
4. the vehicle moving load loading device provided by the application has visual design, can accurately simulate the real vehicle load, and can adjust the size and distribution of the vehicle load;
5. the vehicle moving load loading device provided by the application has strong applicability, and can simulate various vehicle load conditions including cyclic load and different lane numbers.
The embodiments of the present application have been described above with reference to the accompanying drawings, but the present application is not limited to the above-described embodiments, which are merely illustrative and not restrictive, and many forms may be made by those having ordinary skill in the art without departing from the spirit of the present application and the scope of the claims, which are to be protected by the present application.
Claims (6)
1. The utility model provides a vehicle removes load loading device suitable for indoor model test, its characterized in that includes the lane model, be provided with on the lane model be used for to the dolly model of lane model production load and be used for driving the draw gear that the dolly model removed, wherein:
the trolley model comprises two long steel bars which are arranged at intervals and short steel bars which are arranged between the two long steel bars and used for simulating different load positions of a vehicle, the short steel bars are provided with through holes, long screws are fixedly arranged in the through holes, and load iron sheets used for adjusting the load are placed on the long screws;
the traction device comprises a fixing frame, a driving belt, a synchronous idler wheel and a sliding belt, wherein the fixing frame is fixed on the side edge of the lane model through a tiger clamp, a motor is installed on the fixing frame, a rotating wheel is installed on the motor, one end of the driving belt is arranged on the rotating wheel, the other end of the driving belt is connected with the synchronous idler wheel, the synchronous idler wheel is fixed with the lane model through a fixing rod, one end of the sliding belt is arranged on the synchronous idler wheel, and the other end of the sliding belt is connected with the trolley model.
2. The vehicle moving load loading apparatus for an indoor model test according to claim 1, wherein wheels are fixed under the short steel bars by the long screws.
3. The vehicle moving load loading device for an indoor model test according to claim 1, wherein the two outer sides of the long steel bar are fixedly provided with a sliding belt fixing strip by screw installation, and the sliding belt is connected with the sliding belt fixing strip.
4. The vehicle moving load loading apparatus suitable for an indoor model test according to claim 1, wherein the car model further comprises guide wheels provided at the ends of the long steel bars for rolling in contact with the inner walls of the lane model.
5. The vehicle moving load loading device suitable for the indoor model test according to claim 1, wherein adjacent short steel bars are arranged in a group in pairs, four long screws are arranged on one group of short steel bars, and the holes at four corners of the load iron sheet are firmly sleeved with the four long screws.
6. The vehicle moving load loading apparatus for an indoor model test according to claim 1, wherein the lane model is composed of a double-cavity model box with an open top.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311445118.0A CN117191425A (en) | 2023-11-02 | 2023-11-02 | Vehicle moving load loading device suitable for indoor model test |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311445118.0A CN117191425A (en) | 2023-11-02 | 2023-11-02 | Vehicle moving load loading device suitable for indoor model test |
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| CN117191425A true CN117191425A (en) | 2023-12-08 |
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| CN202311445118.0A Pending CN117191425A (en) | 2023-11-02 | 2023-11-02 | Vehicle moving load loading device suitable for indoor model test |
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2023
- 2023-11-02 CN CN202311445118.0A patent/CN117191425A/en active Pending
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| JPH09325094A (en) * | 1996-06-05 | 1997-12-16 | Hitachi Ltd | Simple evaluation mechanism |
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| US20170219459A1 (en) * | 2016-01-31 | 2017-08-03 | Citic Dicastal Co., Ltd | Method for simulating real impact test of vehicle wheels |
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Application publication date: 20231208 |