Loading device for axle load calibration

Abstract

The utility model discloses a loading device for axle load calibration, and belongs to the technical field of vehicle detection. The loading device for axle load calibration comprises a loading mechanism and a pressure applying mechanism installed below the loading mechanism. An air bag and a first pressing plate are arranged in the loading mechanism, and one side of the air bag abuts against the first pressing plate; a guide structure and a pressing rod are installed on one side of the first pressing plate, and the pressing rod is connected with a pressure applying mechanism. Air is input into the air bag for loading, the pressure applying mechanism is pressurized, and then the pressure applying mechanism applies pressure to the equipment. According to the device, calibration requirements of different weights can be met only by adjusting air in the air bag in the loading mechanism, standard weights do not need to be applied, manual carrying is not needed, and the working intensity of workers is relieved. The pressure sensor is further arranged and used for detecting the pressure value applied by the terminal and uploading data to the remote pressure controller, the remote pressure controller adjusts the pressure in the loading mechanism according to different weight requirements, and therefore the calibration requirements of different weights are met.

Description

TECHNICAL FIELD

[0001] The utility model relates to a kind of loading devices of axle load calibration, belong to vehicle detection technical field. BACKGROUND

[0002] Four-wheel alignment detection of vehicle is one of the necessary items of automobile safety detection, and its main function is to test wheel alignment parameters and other functions. With the development of science and technology, the functions of four-wheel alignment equipment are becoming more and more integrated. Many four-wheel alignment equipment now integrates axle load test function. Axle load test precision directly affects the braking performance of the vehicle, therefore, the calibration of axle load test is crucial.

[0003] Currently, four-wheel alignment equipment is equipped with axle load calibration device to measure the axle load of the vehicle. The axle load calibration device needs to be calibrated periodically to ensure the accuracy of the calibration device. The traditional calibration method applies standard weights to the calibration device for calibration, but this method cannot calibrate large weights. The weights themselves have a certain volume, and large weight calibration requires many weights, which cannot be applied to the device. Moreover, the weights need to be manually carried to apply, increasing the labor intensity of the workers and posing a risk of labor injury. SUMMARY

[0004] The utility model provides a kind of loading devices of axle load calibration to solve the problem that standard weights cannot be applied to the calibration device for calibration in the traditional calibration method, cannot be applied to the device, and weights need to be manually carried to apply, increasing the labor intensity of the workers.

[0005] The utility model is implemented by the following technical solutions:

[0006] The utility model provides a kind of loading devices of axle load calibration, including loading mechanism and pressure applying mechanism installed below loading mechanism.

[0007] The loading mechanism is provided with air bag and first pressing plate, and the side of the air bag is in abutment with the first pressing plate. The side of the first pressing plate is provided with guide structure and pressing rod, and the pressing rod is connected with the pressure applying mechanism.

[0008] In one embodiment of the utility model, the loading mechanism is provided with a shell, and the air bag is embedded in the shell.

[0009] In one embodiment of the utility model, the guide structure is provided with a first elastic body, and the two ends of the first elastic body are in abutment with the shell and the first pressing plate respectively.

[0010] In one embodiment of the utility model, the loading mechanism is further provided with a gas source interface, and the gas source interface is connected with the air bag.

[0011] In an embodiment of the utility model, the pressure applying mechanism comprises a second connecting piece, the second connecting piece is sleeved on the outer side of the pressing rod and is connected with the pressing rod.

[0012] In an embodiment of the utility model, the pressure applying mechanism is further provided with a second pressing plate, and the second pressing plate is connected with the second connecting piece.

[0013] In an embodiment of the utility model, the fixing mechanism is connected with the shell through a first connecting piece.

[0014] In an embodiment of the utility model, the first connecting piece is peripherally sleeved with a second elastic body and a mounting plate, and the two ends of the second elastic body are respectively abutted with the mounting plate and the shell.

[0015] In an embodiment of the utility model, the number of the fixing mechanism is two, and the fixing mechanism is distributed on both sides of the loading mechanism.

[0016] In an embodiment of the utility model, the loading device further comprises a pressure sensor, and the pressure sensor is installed on the pressure applying mechanism. The pressure sensor is used for detecting the pressure value applied by a terminal and uploading data to a remote pressure controller. The remote pressure controller adjusts the pressure in the loading mechanism according to different weight requirements, so that the calibration requirement of different weights is achieved.

[0017] Advantages

[0018] The loading device for axle load calibration provided by the utility model comprises a loading mechanism, a fixing mechanism and a pressure applying mechanism. The loading mechanism is provided with an air bag, a first pressing plate and a pressing rod. The air bag is loaded by inputting gas into the air bag. The first pressing plate is pressed. The pressure is transmitted to the pressure applying mechanism through the pressing rod. The pressure applying mechanism presses the equipment again. The device only needs to adjust the gas in the air bag in the loading mechanism, so that the calibration requirement of different weights is achieved. The device not only saves resources, but also does not need to apply standard weights and does not need workers to carry and apply. The working strength of the workers is reduced, and the risk of labor injury is reduced.

[0019] The loading device for axle load calibration further comprises a pressure sensor. The pressure sensor is used for detecting the pressure value applied by a terminal and uploading data to a remote pressure controller. The remote pressure controller adjusts the pressure in the loading mechanism according to different weight requirements, so that the calibration requirement of different weights is achieved. DRAWINGS

[0020] Fig. 1 The utility model provides a loading device for axle load calibration of solid drawing;

[0021] Fig. 2The utility model provides a main view of loading device of axle load calibration provides,

[0022] Fig. 3 The utility model provides a sectional view of loading device of axle load calibration provides,

[0023] In the drawing: 1, loading mechanism, 2, fixed mechanism, 3, pressure mechanism, 4, pressure sensor,

[0024] 11, shell, 12, air bag, 13, guide structure, 14, first elastomer, 15, first pressing plate, 16, gas source interface, 17, pressure rod,

[0025] 21, mounting plate, 22, second elastomer, 23, first connecting piece,

[0026] 31, second connecting piece, 32, second pressing plate. DETAILED DESCRIPTION

[0027] The technical scheme in the embodiments of the utility model will be described clearly and completely below in conjunction with the drawings in the embodiments of the utility model, and obviously, the described embodiments are a part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without making creative efforts belong to the protection scope of the utility model.

[0028] In the utility model, unless another explicit provision and limitation, the term "link", "connect", "fix" should be broad sense understanding, for example, can be fixed connection, also can be detachable connection, or be integrated, can be mechanical connection, also can be electrical connection, can be directly connected, also can be indirectly connected through intermediate medium, can be the communication of two elements or the interaction of two elements. For the person skilled in the art, the specific meaning of the above-mentioned terms in the utility model can be understood according to the specific circumstances.

[0029] In the utility model, unless another explicit provision and limitation, the first feature is "on" or "under" the second feature can include that the first and second features are in direct contact, or the first and second features are not in direct contact but are in contact through another feature between them. Moreover, the first feature "on", "above" and "on" the second feature includes that the first feature is directly above and obliquely above the second feature, or only indicates that the horizontal height of the first feature is higher than that of the second feature. The first feature "under", "below" and "under" the second feature includes that the first feature is directly below and obliquely below the second feature, or only indicates that the horizontal height of the first feature is less than that of the second feature.

[0030] As Figs. 1 to 3As shown, the embodiment of the present application provides a kind of loading device for axle load calibration, for the calibration of detection equipment, ensure the accuracy of measurement result.The axle load calibration loading device includes loading mechanism 1, fixed mechanism 2, pressure mechanism 3 and pressure sensor 4.

[0031] In some embodiments, fixed mechanism 2 is connected with loading mechanism 1, the number of fixed mechanism 2 is two, is distributed in the two sides of loading mechanism 1, for fixing axle load calibration loading device on the equipment that needs axle load calibration.Pressure mechanism 3 is connected with loading mechanism 1, and the pressure provided by loading mechanism 1 is applied to corresponding equipment.Pressure sensor 4 is installed on pressure mechanism 3, for detecting the pressure value of terminal application, and uploading data to remote pressure controller, and remote pressure controller adjusts the pressure in loading mechanism 1 according to different weight requirements, so as to meet the calibration requirement of different weight.

[0032] In some embodiments, loading mechanism 1 includes housing 11, and the wing type connecting frame is symmetrically arranged on the two sides of housing 11, and the connecting frame is connected with fixed mechanism 2.The middle part of housing 11 is provided with cavity, and the cavity contains air bag 12, and one side of air bag 12 is fixedly connected with housing 11.The side, away from pressure mechanism 3, of housing 11 is provided with gas source interface 16, and gas source interface 16 is connected with air bag 12, and gas enters air bag 12 through gas source interface 16, and air bag 12 is lifted up.The side, away from gas source interface 16, of air bag 12 is provided with first pressing plate 15, and first pressing plate 15 can abut with air bag 12.The side, away from air bag 12, of first pressing plate 15 is installed with guide structure 13 and pressure rod 17, and pressure rod 17 is connected with pressure mechanism 3, and one end of guide structure 13, away from first pressing plate 15, passes through the through hole on housing 11, to provide guide action for the movement of first pressing plate 15 and pressure rod 17.First elastic body 14 is sleeved on the outside of guide structure 13, and two ends are respectively abutted with first pressing plate 15 and housing 11, when air bag 12 injects gas and moves downward, first pressing plate 15 and pressure rod 17 move downward, and first elastic body 14 is extruded, when air bag 12 releases gas, first elastic body 14 drives first pressing plate 15 and pressure rod 17 to move upward, and the pressure applied to pressure mechanism 3 is reduced.

[0033] In some embodiments, the fixing mechanism 2 includes a mounting plate 21, a second elastic body 22, and a first connecting member 23. The mounting plate 21 is installed at a designated position for the axle load calibration of the equipment, fixing the loading device with the axle load calibration to the equipment. The first connecting member 23 is located on the side of the mounting plate 21 away from the equipment and penetrates the housing 11, connecting the loading mechanism 1 to the fixing mechanism 2. The second elastic body 22 is sleeved on the outer periphery of the first connecting member 23, with its two ends abutting against the housing 11 and the mounting plate 21, respectively. When the loading mechanism 1 applies pressure, the housing 11 moves downward under the action of the airbag 12, compressing the second elastic body 22; when the loading mechanism 1 releases pressure, the second elastic body 22 provides a restoring force to the loading mechanism 1, causing the loading mechanism 1 to quickly reset.

[0034] In some embodiments, the pressure applying mechanism 3 includes a second connector 31 and a second pressure plate 32. The second pressure plate 32 is located on the side of the second connector 31 opposite to the loading mechanism 1, and is fixedly connected to the second connector 31. The second connector 31 has a frustum structure with an internal hole. The second connector 31 is sleeved on the outside of the pressure rod 17 and connected to the pressure rod 17. The frustum structure helps the pressure applying mechanism 3 withstand the pressure applied by the loading mechanism 1 and prevents the second pressure plate 32 from breaking. The second pressure plate 32 abuts against the equipment that needs to be pressurized, transmitting the pressure applied by the loading mechanism 1 to the equipment that needs to be pressurized.

[0035] Optionally, the second pressure plate 32 is provided with a handle on the side near the second connector 31 for easy handling.

[0036] Optionally, the first elastic body 14 and the second elastic body 22 are made of elastic materials. Preferably, in this embodiment, the first elastic body 14 and the second elastic body 22 are springs.

[0037] The utility model discloses a working principle: through fixed mechanism 2 with the axle load calibration loading device fixed in the specified position of equipment, loading mechanism 1 is installed in the top of fixed mechanism 2, and pressure mechanism 3 is connected with loading mechanism 1 through the pressure bar 17, and pressure sensor 4 is installed on pressure mechanism 3. The gas source is injected into the gasbag 12 through the gas source interface 16, and the gasbag 12 expands downward, and abuts with the first pressure plate 15, and the first pressure plate 15 is pushed to move downward, and the first pressure plate 15 drives the pressure bar 17 and the guide structure 13 to move downward, and the pressure bar 17 drives pressure mechanism 3 to move downward, when pressure mechanism 3 abuts with equipment, starts to pressurize equipment. The pressure bar 17 transmits the pressure that loading mechanism 1 applies to pressure mechanism 3, and pressurizes equipment through pressure mechanism 3, and pressure sensor 4 can detect the pressure value that terminal applies in real time, and uploads data to remote pressure controller, and remote pressure controller adjusts the pressure in loading mechanism 1 according to different weight requirements, thereby reaches the calibration demand of different weights. After calibration, the gas in the gasbag 12 is discharged, and the first elastomer 14 and the second elastomer 22 provide the restoring force for loading mechanism 1, and assist the gasbag 12 to discharge the gas. The device only needs to adjust the gas in the gasbag 12 in loading mechanism 1, and can realize the calibration demand of different weights, not only can save resources, but also need not to apply standard weights, and need not to carry and apply by workers, reduces the working intensity of laborers, and reduces the risk of labor injury.

[0038] The technical features of the above embodiments can be combined arbitrarily, and to make the description concise, all possible combinations of the technical features in the above embodiments are not described, but as long as the combinations of the technical features do not exist contradictory, they should be considered as the scope of the description.

[0039] The above embodiments only express several implementation manners of the utility model, and the description is more specific and detailed, but it should not be understood as the limitation of the scope of the invention patent. It should be pointed out that for ordinary skilled persons in the art, on the premise of not departing from the concept of the utility model, a number of modifications and improvements can be made, and these all belong to the protection scope of the utility model.

[0040] The principle and implementation manner of the utility model are described by applying specific embodiments in the present document, and the above embodiment description is only used to help understand the method and core idea of the utility model. It should be pointed out that for ordinary skilled persons in the technical field, on the premise of not departing from the principle of the utility model, a number of improvements and modifications can be made to the utility model, and these improvements and modifications also fall within the protection scope of the claims of the utility model. Therefore, the protection scope of the utility model patent should be subject to the appended claims.

Claims

1. A loading device for axle load calibration, characterized in that, The loading mechanism (1) and the pressing mechanism (3) installed below the loading mechanism (1) are included. The loading mechanism (1) is provided with an air bag (12) and a first pressing plate (15), one side of the air bag (12) abuts against the first pressing plate (15); one side of the first pressing plate (15) is provided with a guide structure (13) and a pressing rod (17), the pressing rod (17) is connected with the pressing mechanism (3).

2. The loading device for axle load calibration according to claim 1, characterized in that, The loading mechanism (1) is provided with a shell (11), and the air bag (12) is embedded in the shell (11).

3. The loading device for axle load calibration according to claim 2, characterized in that, The guide structure (13) is provided with a first elastic body (14), and the two ends of the first elastic body (14) abut against the shell (11) and the first pressing plate (15) respectively.

4. The loading device for axle load calibration according to claim 3, characterized in that, The loading mechanism (1) is further provided with a gas source interface (16), and the gas source interface (16) is connected with the air bag (12).

5. The loading device for axle load calibration according to claim 1, wherein, The pressing mechanism (3) includes a second connecting piece (31), the second connecting piece (31) is sleeved on the outer side of the pressing rod (17) and connected with the pressing rod (17).

6. The loading device for axle load calibration according to claim 5, wherein, The pressing mechanism (3) is further provided with a second pressing plate (32), and the second pressing plate (32) is connected with the second connecting piece (31).

7. The loading device for axle load calibration according to claim 3, wherein, The fixing mechanism (2) is connected with the shell (11) through a first connecting piece (23).

8. The loading device for axle load calibration according to claim 7, characterized in that, The outer periphery of the first connecting piece (23) is sleeved with a second elastic body (22) and a mounting plate (21), and the two ends of the second elastic body (22) abut against the mounting plate (21) and the shell (11) respectively.

9. The loading device for axle load calibration according to claim 8, characterized in that, The number of the fixing mechanism (2) is two, which is distributed on both sides of the loading mechanism (1).

10. The loading device for axle load calibration according to any one of claims 1-9, characterized in that, Further comprising a pressure sensor (4), the pressure sensor (4) is installed on the pressing mechanism (3).

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