CN216746818U - Locomotive axle testing device - Google Patents

Locomotive axle testing device Download PDF

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Publication number
CN216746818U
CN216746818U CN202220490442.9U CN202220490442U CN216746818U CN 216746818 U CN216746818 U CN 216746818U CN 202220490442 U CN202220490442 U CN 202220490442U CN 216746818 U CN216746818 U CN 216746818U
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China
Prior art keywords
locomotive
sleeve
wheel
wheel disc
driving structure
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CN202220490442.9U
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Chinese (zh)
Inventor
蔡昶
耿双龙
鲍心想
陈敏刚
王云龙
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Shanghai Yingtan Automobile Technology Co ltd
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Shanghai Yingtan Automobile Technology Co ltd
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Abstract

The application provides a locomotive axle test device, this locomotive axle test device includes: a base; the first driving structure is fixedly arranged on the base; the first wheel disc is in transmission connection with the first driving structure and is driven by the first driving structure to rotate; the first wheel disc is used for abutting against one wheel of the locomotive wheel shaft; the second driving structure is fixedly arranged on the base, and the second driving structure and the first driving structure are distributed at intervals and are separated from each other; the second wheel disc is in transmission connection with the second driving structure and is driven by the second driving structure to rotate, the second wheel disc and the first wheel disc rotate around the same rotating shaft, and the second wheel disc and the first wheel disc are distributed at intervals along the rotating shaft; the second wheel disc is used for abutting against the other wheel of the locomotive wheel shaft. The locomotive axle testing device can effectively overcome the problems that the abrasion of the first wheel disc and the second wheel disc is increased and the stress of an axle is different in the experimental process due to the manufacturing tolerance of the first wheel disc and the second wheel disc.

Description

Locomotive axle testing device
Technical Field
The application belongs to the technical field of test equipment, more specifically says, relates to a locomotive wheel axle testing device.
Background
The locomotive axle testing device is used for testing the mechanical property of a locomotive axle, in the related technology, two larger wheel discs are usually adopted to simulate a bottom surface wheel rail, the two larger wheel discs are respectively abutted with two wheels on the locomotive axle in the experimental process so as to simulate the state that the locomotive axle walks on the ground wheel rail, in the related technology, the two larger wheel discs always keep synchronous motion, because the wheel discs have manufacturing tolerance, the synchronous motion of the two wheel discs can cause the abrasion of the wheel discs to increase, and the stress of the wheel shafts is different.
Disclosure of Invention
An object of the embodiment of the application is to provide a locomotive axle testing device to solve the locomotive axle testing device that exists among the prior art because the rim plate has manufacturing tolerance, two rim plate synchronous motion can lead to the wearing and tearing of rim plate to increase, and the different technical problem of atress of shaft.
In order to achieve the purpose, the technical scheme adopted by the application is as follows:
provided is a locomotive axle testing device, including:
a base;
the first driving structure is fixedly arranged on the base;
the first wheel disc is in transmission connection with the first driving structure and is driven by the first driving structure to rotate; the first wheel disc is used for abutting against one wheel of the locomotive wheel shaft;
the second driving structure is fixedly arranged on the base, and the second driving structure and the first driving structure are distributed at intervals and are separated from each other;
the second wheel disc is in transmission connection with the second driving structure and is driven by the second driving structure to rotate, the second wheel disc and the first wheel disc rotate around the same rotating shaft, and the second wheel disc and the first wheel disc are distributed at intervals along the rotating shaft; the second wheel disc is used for abutting against the other wheel of the locomotive wheel shaft.
In one embodiment, further comprising:
one end of the first stretching structure is fixedly connected to the base, and the other end, opposite to the one end, of the first stretching structure is fixedly connected to one end of the locomotive wheel shaft;
and one end of the second stretching structure is fixedly connected to the base, and the other end, opposite to the one end, of the second stretching structure is fixedly connected to the other end of the locomotive wheel shaft.
In one embodiment, the first tensile structure comprises:
the first sleeve is cylindrical, a containing cavity is formed inside the first sleeve, and the containing cavity is used for containing one end of the locomotive wheel shaft;
one end of the first stretching piece is fixedly connected to the base, and the other end, opposite to the one end, of the first stretching piece is fixedly connected to the first sleeve and used for applying acting force, moving towards the base, to the first sleeve.
In one embodiment, further comprising:
the first pressure sensor is arranged in the first sleeve and used for acquiring pressure information of the top of the first sleeve.
In one embodiment, further comprising:
and the first displacement sensor is arranged on the first stretching piece and used for acquiring displacement information of one end of the first stretching piece connected to the first sleeve.
In one embodiment, the first sleeve has a first tensioning member therein for snugly engaging an end of the axle of the locomotive.
In one embodiment, the second tensile structure comprises:
the second sleeve is cylindrical, a containing cavity is formed in the second sleeve, and the containing cavity is used for containing the other end of the locomotive wheel shaft;
and one end of the second stretching piece is fixedly connected to the base, and the other end, opposite to the one end, of the second stretching piece is fixedly connected to the second sleeve and is used for applying acting force, moving towards the base, to the second sleeve.
In one embodiment, further comprising:
and the second pressure sensor is arranged in the second sleeve and used for acquiring the pressure information at the top of the second sleeve.
In one embodiment, further comprising:
and the second displacement sensor is arranged on the second stretching piece and used for acquiring displacement information of one end of the second stretching piece connected to the second sleeve.
In one embodiment, the second sleeve has a second tightening member therein, and the second tightening member is used for tightly adhering to the other end of the locomotive axle.
The application provides a locomotive axle test device's beneficial effect lies in: this locomotive wheel axle test device includes: the device comprises a base, a first driving structure, a first wheel disc, a second driving structure and a second wheel disc; the base is plate-shaped and is used for fixing other structures; the first driving structure and the second driving structure are fixedly arranged on the base, and are distributed at intervals and separated from each other; the first wheel disc is in transmission connection with the first driving structure, is driven by the first driving structure to rotate and is used for abutting against one wheel of the locomotive axle; the second wheel disc is in transmission connection with the second driving structure, is used for rotating under the driving of the second driving structure, and is used for abutting against the other wheel of the locomotive axle. In the experimental process, one wheel on the locomotive axle is abutted to the first wheel disc, the other wheel on the locomotive axle is abutted to the second wheel disc, acting force is applied to the locomotive axle, the locomotive axle is tightly attached to the first wheel disc and the second wheel disc, and the walking state of the locomotive axle on a rail is simulated.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive exercise.
Fig. 1 is a first perspective view of a locomotive axle testing apparatus provided in an embodiment of the present application;
FIG. 2 is an enlarged view of a portion of FIG. 1;
FIG. 3 is a second perspective view of a locomotive axle testing apparatus provided in an embodiment of the present application;
fig. 4 is a partially enlarged view of fig. 2.
Wherein, in the figures, the respective reference numerals:
100. a locomotive axle testing device; 110. a base; 120. a first drive structure; 130. a first wheel disc; 140. a second drive structure; 150. a second wheel disc; 160. a first tensile structure; 161. a first sleeve; 162. a first tensile member; 163. a first tensioning member; 170. a second tensile structure; 171. a second sleeve; 172. a second tension member; 173. and a second tensioning member.
Detailed Description
In order to make the technical problems, technical solutions and advantageous effects to be solved by the present application clearer, the present application is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present application and are not intended to limit the present application.
It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.
It will be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like, as used herein, refer to an orientation or positional relationship indicated in the drawings that is solely for the purpose of facilitating the description and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be considered as limiting the present application.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, "a plurality" means two or more unless specifically limited otherwise.
The locomotive axle testing device provided by the embodiment of the application is explained.
Referring to fig. 1, fig. 2 and fig. 3, an embodiment of the present application provides a locomotive axle testing apparatus 100, where the locomotive axle testing apparatus 100 includes: a base 110, a first drive structure 120, a first sheave 130, a second drive structure 140, and a second sheave 150.
The base 110 is used to provide fixing for the first driving structure 120 and the second driving structure 140, so as to ensure that the relative position relationship between the first driving structure 120 and the second driving structure 140 is kept fixed. Specifically, the base 110 may be configured in a plate shape, a bottom surface of the base 110 may be used to be attached to a working surface such as a ground, and a top surface of the base 110 may be used to fix the first driving structure 120 and the second driving structure 140.
The first driving structure 120 is fixedly installed on the base 110. Specifically, the first driving structure 120 may be fixedly mounted on the base 110 by welding or the like, or may be fixedly mounted on the base 110 by using a structure such as a bolt, in a specific embodiment of the present application, the first driving structure 120 may be fixedly mounted on the base 110 by using a plurality of bolts, so as to ensure that the structural strength of the connection between the two satisfies the requirement and is easy to disassemble and assemble. In particular, the first drive member may be an electric motor.
The first wheel is drivingly connected to the first drive structure 120. Specifically, the rotating shaft of the first wheel disc 130 may be fixedly connected to the output shaft of the first driving structure 120, so that the transmission structure between the two may be effectively simplified, and the transmission efficiency between the two may be effectively improved. The first disk 130 is configured to rotate under the driving of the first driving structure 120, and the first disk 130 is configured to abut against one wheel (the left wheel as shown in fig. 1) of the axle of the locomotive.
The second driving structure 140 is fixedly installed on the base 110. Specifically, the second driving structure 140 may be fixedly mounted on the base 110 by welding or the like, or may be fixedly mounted on the base 110 by using a structure such as a bolt, in a specific embodiment of the present application, the second driving structure 140 may be fixedly mounted on the base 110 by using a plurality of bolts, so as to ensure that the structural strength of the connection between the two satisfies the requirement and is easy to disassemble and assemble. In particular, the second drive member may be an electric motor.
The second wheel is drivingly connected to the second drive structure 140. Specifically, the rotating shaft of the second wheel disc 150 may be fixedly connected to the output shaft of the second driving structure 140, so that the transmission structure between the two may be effectively simplified, and the transmission efficiency between the two may be effectively improved. The second wheel disc 150 is driven by the second driving structure 140 to rotate, and the second wheel disc 150 is used to abut against another wheel (a right wheel as shown in fig. 1) of the wheel axle.
In the present application, the first driving structure 120 and the second driving structure 140 are spaced apart and separated from each other. The first driving structure 120 independently drives the first wheel disc 130 to rotate, and the second driving structure 140 independently drives the second wheel disc 150 to rotate, so that the first wheel disc 130 and the second wheel disc 150 can independently rotate without interfering with each other.
This locomotive wheel axle test device 100 includes: a base 110, a first drive structure 120, a first wheel 130, a second drive structure 140, and a second wheel 150; the base 110 is plate-shaped and is used for fixing other structures; the first driving structure 120 and the second driving structure 140 are both fixedly mounted on the base 110, and the first driving structure 120 and the second driving structure 140 are distributed at intervals and separated from each other; the first wheel disc 130 is in transmission connection with the first driving structure 120, the first wheel disc 130 is used for rotating under the driving of the first driving structure 120, and the first wheel disc 130 is used for abutting against one wheel of the locomotive axle; the second wheel disc 150 is in transmission connection with the second driving structure 140, the second wheel disc 150 is used for rotating under the driving of the second driving structure 140, and the second wheel disc 150 is used for abutting against the other wheel of the locomotive axle. In the experiment process, firstly, one wheel on the locomotive axle is abutted to the first wheel disc 130, the other wheel on the locomotive axle is abutted to the second wheel disc 150, then acting force is applied to the locomotive axle, the locomotive axle is tightly abutted to the first wheel disc 130 and the second wheel disc 150, so that the walking state of the locomotive axle on a rail is simulated, and the first driving structure 120 and the second driving structure 140 are distributed at intervals and are separated from each other, so that the first wheel disc 130 and the second wheel disc 150 can independently rotate without mutual interference, and the problems of increased abrasion of the first wheel disc 130 and the second wheel disc 150 and different stress of a wheel axle caused by the manufacturing tolerance of the first wheel disc 130 and the second wheel disc 150 in the experiment process can be effectively solved.
In some embodiments of the present application, the locomotive axle testing apparatus 100 may further comprise: a first tensile structure 160 and a second tensile structure 170.
One end of the first stretching structure 160 is fixedly connected to the base 110, and the other end of the first stretching structure 160 opposite to the one end is used for being fixedly connected to one end (e.g., the left end in fig. 1) of the wheel axle of the locomotive. The first tensile structure 160 may be utilized to fix the position of one end of the locomotive axle and may subject it to a downward force to simulate the effect of the locomotive axle being subjected to the downward force of gravity of the locomotive during operation.
One end of the second stretching structure 170 is fixedly connected to the base 110, and the other end of the second stretching structure 170 opposite to the one end is used for being fixedly connected to the other end (e.g., the right end in fig. 1) of the wheel axle. The position of the other end of the locomotive axle may be fixed and may be subjected to a downward force by the second tensile structure 170 to simulate the effect of the locomotive axle being subjected to the downward force of gravity during operation.
In some embodiments of the present application, the first tensile structure 160 may include: a first sleeve 161 and a first tensile member 162.
The first sleeve 161 has a cylindrical shape, and the first sleeve 161 has an accommodating chamber formed therein for accommodating one end of the wheel axle of the motorcycle. Specifically, the accommodating cavity may have a bottom wall or may not have a bottom wall, and in the case that the accommodating cavity has a bottom wall, the accommodating cavity is a blind hole; in the case where the accommodating chamber does not have a bottom wall, the accommodating chamber is a through hole. In a specific embodiment of the present application, the receiving cavity has a bottom wall, so that the bottom wall abuts against one end of the wheel axle to better fix the position of the wheel axle.
One end of the first stretching member 162 is fixedly connected to the base 110, and the other end of the first stretching member 162 opposite to the one end is fixedly connected to the sleeve, and the first stretching member 162 is used for applying a force to the first sleeve 161 to move towards the base 110. Specifically, the direction of the force of the first stretching member 162 may be vertically downward. The first tensile member 162 may be a hydraulic cylinder.
In some embodiments of the present application, the locomotive axle testing apparatus 100 may further comprise: a first pressure sensor.
A first pressure sensor is mounted in the first sleeve 161 for acquiring information about the pressure at the top of the first sleeve 161, so that information about the force applied by the first tensile member 162 to one end of the axle of the locomotive can be acquired.
In some embodiments of the present application, the locomotive axle testing apparatus 100 may further comprise: a first displacement sensor.
The first displacement sensor is mounted to the first stretching member 162, and the first displacement sensor is used for acquiring displacement information of one end of the first sleeve 161, so that information of deformation generated at one end of the wheel axle of the locomotive can be acquired.
The information of the acting force applied to one end of the wheel axle by the first stretching piece 162 acquired by the first pressure sensor and the information of the deformation of one end of the wheel axle acquired by the first displacement sensor can be used for protecting the moment loading of the hydraulic cylinder and controlling the loading force in the vertical direction of the wheel axle in a closed loop mode.
In some embodiments of the present application, a first tensioning member 170 may be mounted within the first sleeve 161.
One end of the locomotive axle can be tightly attached to the first sleeve 161 by using the first tensioning member 170, so that the situations of sliding and the like at one end of the locomotive axle can be effectively prevented, and the position stability of the locomotive axle is effectively guaranteed.
In some embodiments of the present application, the second tensile structure 170 may include: a second sleeve 172 and a second tensile member 172.
The second sleeve 172 has a cylindrical shape, and the second sleeve 172 has a receiving cavity formed therein for receiving the other end of the wheel shaft of the locomotive. Specifically, the accommodating cavity may have a bottom wall or may not have a bottom wall, and in the case that the accommodating cavity has a bottom wall, the accommodating cavity is a blind hole; in the case where the accommodating chamber does not have a bottom wall, the accommodating chamber is a through hole. In a specific embodiment of the present application, the receiving cavity has a bottom wall, so that the bottom wall abuts against the other end of the wheel axle to better fix the position of the wheel axle.
One end of the second pulling member 172 is fixedly connected to the base 110, and the other end of the second pulling member 172 opposite to the one end is fixedly connected to the sleeve, and the second pulling member 172 is used for applying a force to the second sleeve 172 to move towards the base 110. Specifically, the direction of the force of the second stretching member 172 may be vertically downward. The second stretching member 172 may be a hydraulic cylinder.
In some embodiments of the present application, the locomotive axle testing apparatus 100 may further comprise: a second pressure sensor.
A second pressure sensor is mounted in the second sleeve 172 and is used to obtain information about the pressure at the top of the second sleeve 172, so that information about the force applied by the second tension member 172 to the other end of the axle of the locomotive can be obtained.
In some embodiments of the present application, the locomotive axle testing apparatus 100 may further comprise: a second displacement sensor.
The second displacement sensor is installed on the second stretching member 172, and the second displacement sensor is used for acquiring displacement information of the other end of the second sleeve 172, so that information of deformation generated at the other end of the wheel axle of the locomotive can be acquired.
The information of the acting force applied to the other end of the wheel axle by the second stretching piece 172 and the information of the deformation of the other end of the wheel axle, which are acquired by the second pressure sensor, can be used for protecting the moment loading of the hydraulic cylinder and controlling the loading force in the vertical direction of the wheel axle in a closed loop mode.
In some embodiments of the present application, a second tensioning member 173 may be mounted within the second sleeve 172.
The second expansion part 173 can be used for tightly attaching the other end of the locomotive axle to the second sleeve 172, so that the other end of the locomotive axle can be effectively prevented from sliding and the like, and the position stability of the locomotive axle is effectively guaranteed.
The above description is only exemplary of the present application and should not be taken as limiting the present application, as any modification, equivalent replacement, or improvement made within the spirit and principle of the present application should be included in the protection scope of the present application.

Claims (10)

1. A locomotive wheel axle test device, characterized in that includes:
a base;
the first driving structure is fixedly arranged on the base;
the first wheel disc is in transmission connection with the first driving structure and is driven by the first driving structure to rotate; the first wheel disc is used for abutting against one wheel of the locomotive wheel shaft;
the second driving structure is fixedly arranged on the base, and the second driving structure and the first driving structure are distributed at intervals and are separated from each other;
the second wheel disc is in transmission connection with the second driving structure and is driven by the second driving structure to rotate, the second wheel disc and the first wheel disc rotate around the same rotating shaft, and the second wheel disc and the first wheel disc are distributed at intervals along the rotating shaft; the second wheel disc is used for abutting against the other wheel of the locomotive wheel shaft.
2. The locomotive axle testing apparatus of claim 1, further comprising:
one end of the first stretching structure is fixedly connected to the base, and the other end, opposite to the one end, of the first stretching structure is fixedly connected to one end of the locomotive wheel shaft;
and one end of the second stretching structure is fixedly connected to the base, and the other end, opposite to the one end, of the second stretching structure is fixedly connected to the other end of the locomotive wheel shaft.
3. The locomotive axle testing apparatus of claim 2, wherein said first tensile structure comprises:
the first sleeve is cylindrical, a containing cavity is formed inside the first sleeve, and the containing cavity is used for containing one end of the locomotive wheel shaft;
one end of the first stretching piece is fixedly connected to the base, and the other end, opposite to the one end, of the first stretching piece is fixedly connected to the first sleeve and used for applying acting force, moving towards the base, to the first sleeve.
4. A locomotive axle testing apparatus according to claim 3, further comprising:
the first pressure sensor is arranged in the first sleeve and used for acquiring pressure information of the top of the first sleeve.
5. The locomotive axle testing apparatus of claim 4, further comprising:
and the first displacement sensor is arranged on the first stretching piece and used for acquiring displacement information of one end of the first stretching piece connected to the first sleeve.
6. The locomotive axle testing apparatus of claim 3, wherein said first sleeve has a first tensioning member therein, said first tensioning member adapted to be snugly engaged to an end of said locomotive axle.
7. The locomotive axle testing apparatus of claim 2, wherein said second tensile structure comprises:
the second sleeve is cylindrical, a containing cavity is formed inside the second sleeve, and the containing cavity is used for containing the other end of the locomotive wheel shaft;
and one end of the second stretching piece is fixedly connected to the base, and the other end, opposite to the one end, of the second stretching piece is fixedly connected to the second sleeve and is used for applying acting force to the second sleeve, wherein the acting force moves towards the base.
8. The locomotive axle testing apparatus of claim 7, further comprising:
and the second pressure sensor is arranged in the second sleeve and used for acquiring the pressure information at the top of the second sleeve.
9. A locomotive axle testing apparatus according to claim 8, further comprising:
and the second displacement sensor is arranged on the second stretching piece and used for acquiring displacement information of one end of the second stretching piece connected to the second sleeve.
10. The locomotive axle testing apparatus of claim 7, wherein said second sleeve has a second tensioning member therein, said second tensioning member adapted to be snugly engaged to the other end of said locomotive axle.
CN202220490442.9U 2022-03-01 2022-03-01 Locomotive axle testing device Active CN216746818U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202220490442.9U CN216746818U (en) 2022-03-01 2022-03-01 Locomotive axle testing device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202220490442.9U CN216746818U (en) 2022-03-01 2022-03-01 Locomotive axle testing device

Publications (1)

Publication Number Publication Date
CN216746818U true CN216746818U (en) 2022-06-14

Family

ID=81921817

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202220490442.9U Active CN216746818U (en) 2022-03-01 2022-03-01 Locomotive axle testing device

Country Status (1)

Country Link
CN (1) CN216746818U (en)

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