Wheel set running-in test bed supporting device

Abstract

The utility model provides a wheel set running-in test bench supporting device, which belongs to the technical field of railway vehicles and comprises a supporting base, two bearing blocks, a first connecting piece, a second connecting piece and a locking mechanism, a mounting surface is arranged on the supporting base, the bearing blocks are arranged on the mounting surface, and an accommodating space is formed between the two bearing blocks and the mounting surface; the first connecting piece is fixedly mounted on one side of the upper end of the bearing block body and is provided with a first connecting surface; the second connecting piece is fixedly mounted on the other side of the upper end of the bearing block body and is provided with a second connecting surface; the second connecting surface is higher than the first connecting surface; the locking mechanism is installed on the bearing block body, the lower end of the locking mechanism is hinged to the side, away from the containing space, of the bearing block body, and the upper end of the locking mechanism is used for applying pressure to the wheel pair from top to bottom. According to the wheel set running-in test bed supporting device provided by the utility model, a wheel set is convenient, rapid and stable to install; and the wheel set is installed on the supporting device and is fixed more firmly, and the fixing effect is better.

Description

Technical Field

[0001] The utility model belongs to the technical field of rail vehicles, and more specifically relates to a supporting device for a wheelset running-in test bench. Background Art

[0002] After the rail vehicle is repaired, a wheelset running-in test is required to ensure that the rail vehicle runs safely and smoothly, thereby ensuring the safety of life and property. At present, the wheelset running-in test bench is mostly used to test the wheelset of rail vehicles. The wheelset running-in test bench is used to run and clean the gearbox or axlebox of high-speed EMUs or subway trains. It is suitable for oil washing and running-in of axle gearboxes of different models. The wheelset running-in test bench has the functions of automatic measurement, analysis, storage, alarm, reporting and record query of the temperature, vibration, noise, speed, torque and other signals of the gearbox and axlebox. When installing the wheelset on the wheelset running-in test bench, the wheelset needs to be stably supported and firmly fixed. Due to the complex appearance and structure of the wheelset, it is difficult for the staff to support and fix the wheelset, and the support and fixation effect is also poor. Utility Model Content

[0003] The utility model aims to provide a wheelset running-in test bench support device to solve the technical problems in the prior art that the wheelset support and fixation operations are difficult and the support and fixation effects are poor.

[0004] In order to achieve the above-mentioned purpose, the technical solution adopted by the utility model is: to provide a wheelset running-in test bench support device, comprising:

[0005] A support base, used for fixed installation on the ground; the support base is provided with a mounting surface;

[0006] There are two bearing blocks, both of which are arranged on the mounting surface and fixedly connected to the support base; the upper ends of the bearing blocks extend upward, and the two bearing blocks are arranged in parallel and spaced apart, and an accommodation space for mounting and accommodating a wheelset is formed between the two bearing blocks and the mounting surface;

[0007] A first connecting member is fixedly mounted on one side of the upper end of the bearing block, and the first connecting member is provided with a first connecting surface for fixedly connecting with the outer side of the wheelset;

[0008] A second connecting member is fixedly mounted on the other side of the upper end of the bearing block, and the second connecting member is provided with a second connecting surface for fixedly connecting with the outer side of the wheelset; the second connecting surface is higher than the first connecting surface;

[0009] A locking mechanism is installed on the bearing block and is located between the first connecting member and the second connecting member; the lower end of the locking mechanism is hinged to the side of the bearing block away from the accommodating space, and the upper end is used to apply pressure from top to bottom on the wheelset.

[0010] In a possible implementation, a connecting seat is provided on the side of the supporting block body away from the accommodating space; the locking mechanism includes a bending link, a fixed block, an extrusion link and a locking piece, the lower end of the bending link is hinged on the connecting seat, and the upper end extends obliquely upward to the top of the supporting block body; the fixed block is fixedly installed on the upper end of the bending link, and the fixing block is provided with a connecting hole passing through from top to bottom; the extrusion link is installed on the fixed block and is installed in cooperation with the connecting hole; the extrusion link has the freedom to move axially along the connecting hole; the locking piece is installed on the extrusion link, and is used to lock and fix the extrusion link and the fixed block.

[0011] In a possible implementation, the connecting hole is a threaded hole, and a threaded section threadedly connected to the threaded hole is provided on the outer surface of the extrusion connecting rod; the locking piece is a locking nut threadedly mounted on the extrusion connecting rod; and an operating part for screwing the extrusion connecting rod is provided at the upper end of the extrusion connecting rod.

[0012] In a possible implementation, the extrusion connecting rod is provided with a mounting hole and an operating rod mounted in the mounting hole, and an axial direction of the mounting hole is perpendicular to an axial direction of the extrusion connecting rod.

[0013] In a possible implementation, a plastic pad for contacting the outer side of the wheelset is provided at the lower end of the extruded connecting rod.

[0014] In a possible implementation, the connecting seat includes a connecting plate and a U-shaped block, the connecting plate is fixed to the outer surface of the supporting block body, and the web of the U-shaped block is fixedly connected to the side of the connecting plate away from the supporting block body; a connecting shaft is provided in the U-shaped block, and a rotating hole is provided at the lower end of the bent connecting rod for rotationally cooperating with the connecting shaft.

[0015] In a possible implementation, the connecting seat also includes a pin shaft, and a through hole is also provided on the U-shaped block, and a pin hole corresponding to the through hole is provided on the bending connecting rod; the bending connecting rod is rotated upward until the through hole is coaxially aligned with the pin hole, and the pin shaft passes through the through hole and the pin hole to limit the position of the bending connecting rod.

[0016] In a possible implementation, the first connecting member is a flat plate structure, the upper end surface of the first connecting member is a first connecting surface, and the first connecting surface is provided with a plurality of screw holes; the second connecting member includes a base plate and a column, the base plate is fixedly installed on the supporting block, the column is fixedly installed on the base plate, and the upper end surface of the column is a second connecting surface, and the second connecting surface is provided with a plurality of screw holes.

[0017] In a possible implementation, the wheelset running-in test bench support device also includes a spare connection area provided on the bearing block and an auxiliary pad installed on the spare connection area, and the spare connection area and the auxiliary pad are located between the first connecting member and the second connecting member.

[0018] In one possible implementation, the mounting surface is provided with a plurality of parallel and spaced elongated mounting grooves, the supporting block has the freedom to move along the mounting surface, each of the elongated mounting grooves is provided with a screw hole for connecting with the supporting block; the supporting block is provided with a through hole corresponding to the screw hole.

[0019] The beneficial effects of the wheelset running-in test bench support device provided by the utility model are as follows: compared with the prior art, the wheelset running-in test bench support device of the utility model, when in use, the wheelset is installed in the accommodating space, and the two ends of the wheelset are respectively installed on two bearing blocks; the outer side surface of the wheelset quickly abuts against the first connecting surface and the second connecting surface, and the support is relatively stable; and the wheelset is fixedly connected to the first connecting member and the second connecting member; with the first connecting surface and the second connecting surface being staggered up and down, the wheelset is conveniently, quickly and stably installed; then the locking mechanism is controlled to rotate upward so that its upper end is located above the wheelset, and the upper end of the locking mechanism is used to squeeze downward on the wheelset, thereby further pressing and fixing the wheelset, and the locking mechanism is combined with the fixed connection between the wheelset and the first connecting member and the second connecting member, so that the wheelset is installed on the support device more firmly and the fixing effect is better. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.

[0021] Figure 1 A front view of a wheelset running-in test bench support device provided by an embodiment of the utility model;

[0022] Figure 2A top view of a wheelset running-in test bench support device provided in an embodiment of the utility model;

[0023] Figure 3 Schematic diagram of the connection between the load-bearing block, the first connecting member, the second connecting member and the locking mechanism provided in the embodiment of the utility model Figure 1 ;

[0024] Figure 4 Schematic diagram of the connection between the load-bearing block, the first connecting member, the second connecting member and the locking mechanism provided in the embodiment of the utility model Figure 2 ;

[0025] Figure 5 A schematic structural diagram of a bent connecting rod provided in an embodiment of the utility model.

[0026] Among them, the reference numerals in the figure are:

[0027] 1. Support base; 11. Mounting surface; 12. Long mounting groove; 2. Load-bearing block; 21. Accommodating space; 22. Connecting seat; 23. Connecting plate; 24. U-shaped block; 25. Connecting shaft; 26. Pin shaft; 3. First connecting member; 31. First connecting surface; 4. Second connecting member; 41. Second connecting surface; 42. Bottom plate; 43. Column; 45. Screw hole; 5. Locking mechanism; 51. Bending connecting rod; 52. Fixed block; 53. Extruding connecting rod; 54. Locking member; 55. Connecting hole; 56. Operating lever; 57. Plastic pad; 58. Rotating hole; 59. Pin hole; 6. Spare connection area. DETAILED DESCRIPTION

[0028] In order to make the technical problems, technical solutions and beneficial effects to be solved by the present invention more clearly understood, the present invention is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not used to limit the present invention.

[0029] It should be noted that when an element is referred to as being "fixed to" or "disposed on" another element, it can be directly on the other element or 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 indirectly connected to the other element.

[0030] It should be understood that the terms "length", "width", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc., indicating the orientation or position relationship, are based on the orientation or position relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, and 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 therefore cannot be understood as a limitation on the present invention.

[0031] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the present utility model, the meaning of "plurality" is two or more, unless otherwise clearly and specifically defined.

[0032] See also Figures 1 to 4 , the wheelset running-in test bench support device provided by the utility model is now described. A wheelset running-in test bench support device includes a support base 1, a bearing block 2, a first connecting member 3, a second connecting member 4 and a locking mechanism, wherein the support base 1 is used for fixed installation on the ground; a mounting surface 11 is provided on the support base 1; there are two bearing blocks 2, both of which are provided on the mounting surface 11 and are fixedly connected to the support base 1; the upper end of the bearing block 2 extends upward, and the two bearing blocks 2 are arranged in parallel and spaced apart, and a receiving space 21 for installing and accommodating the wheelset is formed between the two bearing blocks 2 and the mounting surface 11; the first connecting member 3 is fixedly installed on the bearing block The first connecting member 3 is provided on one side of the upper end of the bearing block 2, and a first connecting surface 31 for fixed connection with the outer side of the wheelset is provided on the first connecting member 3; the second connecting member 4 is fixedly installed on the other side of the upper end of the bearing block 2, and a second connecting surface 41 for fixed connection with the outer side of the wheelset is provided on the second connecting member 4; the second connecting surface 41 is higher than the first connecting surface 31; the locking mechanism 5 is installed on the bearing block 2, and is located between the first connecting member 3 and the second connecting member 4; the lower end of the locking mechanism 5 is hinged to the side of the bearing block 2 away from the accommodating space 21, and the upper end is used to apply pressure on the wheelset from top to bottom.

[0033] Compared with the prior art, the wheelset running-in test bench support device provided by the utility model is, when in use, installed in the accommodating space 21, and the two ends of the wheelset are respectively installed on the two bearing blocks 2; the outer side surface of the wheelset quickly abuts against the first connecting surface 31 and the second connecting surface 41, and the support is relatively stable; and the wheelset is fixedly connected to the first connecting member 3 and the second connecting member 4; with the first connecting surface 31 and the second connecting surface 41 being arranged alternately up and down, the wheelset is conveniently, quickly and stably installed; then the locking mechanism 5 is controlled to rotate upward so that its upper end is located above the wheelset, and the upper end of the locking mechanism 5 is used to press downward on the wheelset, so as to further press and fix the wheelset, and the locking mechanism 5 is combined with the fixed connection between the wheelset and the first connecting member 3 and the second connecting member 4, so that the wheelset is installed on the support device more firmly and the fixing effect is better.

[0034] See also Figure 3 and Figure 4 As a specific embodiment of the wheelset running-in test bench support device provided by the utility model, a connecting seat 22 is provided on the side of the bearing block 2 away from the accommodating space 21; the locking mechanism 5 includes a bending connecting rod 51, a fixing block 52, an extruding connecting rod 53 and a locking member 54. The lower end of the bending connecting rod 51 is hinged on the connecting seat 22, and the upper end extends obliquely upward to the top of the bearing block 2; the fixing block 52 is fixedly installed on the upper end of the bending connecting rod 51, and a connecting hole 55 penetrating from top to bottom is provided on the fixing block 52; the extruding connecting rod 53 is installed on the fixing block 52 and is installed in cooperation with the connecting hole 55; the extruding connecting rod 53 has the freedom to move axially along the connecting hole 55; the locking member 54 is installed on the extruding connecting rod 53, and is used to lock and fix the extruding connecting rod 53 and the fixed block 52; pre-install the connecting seat 22 on one side of the bearing block 2, and connect one end of the bending link 51 on the locking mechanism 5 to the connecting seat 22, and the other end extends in the direction away from the connecting seat 22; the fixed block 52 is fixedly installed on the other end of the bending link 51, and when the bending link 51 is rotated to make the lower part of the bending link 51 in a vertical state, the fixed block 52 is located directly above the wheelset, and the axial direction of the connecting hole 55 on the fixed block 52 is perpendicular to the horizontal plane; then the extrusion link 53 is manipulated to move downward along the connecting hole 55, so that the lower end of the extrusion link 53 is tightly squeezed on the wheelset, and the locking piece 54 is used to lock and fix the extrusion link 53 on the fixed block 52 to ensure that the wheelset is installed firmly and securely.

[0035] See also Figure 3As a specific implementation of the wheelset running-in test bench support device provided by the utility model, the connecting hole 55 is a threaded hole, and a threaded section threadedly connected to the threaded hole is provided on the outer side surface of the extrusion connecting rod 53; the locking member 54 is a locking nut threadedly mounted on the extrusion connecting rod 53; the upper end of the extrusion connecting rod 53 is provided with an operating part for screwing the extrusion connecting rod 53; that is, a spiral connection is formed between the extrusion connecting rod 53 and the connecting hole 55, and the staff holds the operating part and rotates it to move the extrusion connecting rod 53 up and down in the connecting hole 55 to a suitable position, and finally uses the locking nut to lock the extrusion connecting rod 53 to the fixing block 52.

[0036] See also Figure 3 and Figure 4 As a specific implementation of the wheelset running-in test bench support device provided by the utility model, the extrusion link 53 is provided with a mounting hole and an operating rod 56 mounted in the mounting hole, and the axial direction of the mounting hole is perpendicular to the axial direction of the extrusion link 53; the mounting hole passes through the extrusion link 53, and the operating rod 56 is mounted in the mounting hole to form a transmission connection; therefore, the extrusion link 53 can be conveniently and quickly controlled to rotate with the help of the operating rod 56.

[0037] See also Figure 3 As a specific implementation of the wheelset running-in test bench support device provided by the utility model, a plastic pad 57 for contacting the outer side of the wheelset is provided at the lower end of the extrusion link 53; when the extrusion link 53 acts on the wheelset, the plastic pad 57 directly contacts the outer side of the wheelset, thereby avoiding damage to the outer side of the wheelset.

[0038] See also Figure 3 and Figure 4 As a specific embodiment of the wheelset running-in test bench support device provided by the utility model, the connecting seat 22 includes a connecting plate 23 and a U-shaped block 24, the connecting plate 23 is fixedly connected to the outer surface of the bearing block 2, and the web of the U-shaped block 24 is fixedly connected to the side of the connecting plate 23 away from the bearing block 2; a connecting shaft 25 is arranged in the U-shaped block 24, and a rotating hole 58 rotatably connected to the connecting shaft 25 is provided at the lower end of the bending connecting rod 51; the connecting plate 23 is arranged vertically and is fixedly connected to the side of the bearing block 2, while the U-shaped block 24 is arranged horizontally and tilted, and its web is fixedly connected to the connecting plate 23, and the opening of the U-shaped block 24 is located on the side away from the connecting plate 23; and the connecting shaft 25 is installed between the two wing plates of the U-shaped block 24, when the bending connecting rod 51 is connected to the connecting seat 22, the rotating hole 58 at the lower end of the bending connecting rod 51 is installed in cooperation with the connecting shaft 25 and forms a rotating connection, so that the bending connecting rod 51 can be used smoothly and reliably.

[0039] See also Figures 3 to 5As a specific embodiment of the wheelset running-in test bench support device provided by the utility model, the connecting seat 22 also includes a pin shaft 26, and a through hole is also provided on the U-shaped block 24, and a pin hole 59 corresponding to the through hole is provided on the bending link 51; the bending link 51 is rotated upward until the through hole is coaxially aligned with the pin hole 59, and the pin shaft 26 passes through the through hole and the pin hole 59 to limit the position of the bending link 51; when the bending link 51 is rotated until the fixed block 52 is located directly above the wheelset, the through hole on the U-shaped block 24 is coaxially aligned with the pin hole 59 on the bending link 51, and the pin shaft 26 is used to pass through the through hole and the pin hole 59 to achieve the positioning of the bending link 51, so that the bending link 51 no longer rotates around the connecting shaft 25.

[0040] See also Figure 3 and Figure 4 As a specific embodiment of the wheelset running-in test bench support device provided by the utility model, the first connecting member 3 is a flat plate structure, the upper end surface of the first connecting member 3 is a first connecting surface 31, and the first connecting surface 31 is provided with a plurality of screw holes 45; the second connecting member 4 includes a bottom plate 42 and a column 43, the bottom plate 42 is fixedly mounted on the bearing block 2, the column 43 is fixedly mounted on the bottom plate 42, and the upper end surface of the column 43 is a second connecting surface 41, and the second connecting surface 41 is provided with a plurality of screw holes 45; the flat plate structure is butt-jointedly mounted on the bearing block 2, The flat plate structure and the bearing block 2 are fixedly connected by welding or other methods; the flat plate structure is relatively thin, and its upper end face is the first connecting face 31; the bottom plate 42 in the second connecting member 4 is docked and installed on the other side of the upper end of the bearing block 2, and is fixedly connected to the bearing block 2; the column 43 is fixedly arranged on the bottom plate 42, and the upper end face of the column 43 is set as the second connecting face 41, thereby realizing the upper and lower staggered arrangement of the second connecting face 41 and the first connecting face 31, and also making the installation between the first connecting member 3 and the second connecting member 4 and the bearing block 2 stable and reliable.

[0041] See also Figure 4 As a specific embodiment of the wheelset running-in test bench support device provided by the utility model, the wheelset running-in test bench support device also includes a spare connection area 6 provided on the bearing block 2 and an auxiliary pad installed on the spare connection area 6, and the spare connection area 6 and the auxiliary pad are located between the first connection member 3 and the second connection member 4; the spare connection area 6 is provided to install the auxiliary pad, and the auxiliary pad is supported on the outer middle part of the wheelset to make the wheelset installation more stable. The auxiliary pad is provided with a limit groove and a limit hole installed in the limit groove.

[0042] See also Figure 1 and Figure 2As a specific embodiment of the support device of the wheelset running-in test bench provided by the utility model, a plurality of parallel and spaced long installation grooves 12 are provided on the installation surface 11, and the bearing block 2 has the freedom to move along the installation surface 11, and each long installation groove 12 is provided with a screw hole 45 for connecting with the bearing block 2; the bearing block 2 is provided with a through hole corresponding to the screw hole 45; when installed, the bearing block 2 is docked on the installation surface 11, and the through hole on the bearing block 2 is located directly above the long installation groove 12, and is coaxially aligned with the screw hole 45 up and down, and then a fastener such as a bolt is used to pass through the through hole and connect with the screw hole 45 to realize the fixed connection between the bearing block 2 and the support base 1. When it is necessary to move the two bearing blocks 2 to adapt to wheelsets of different sizes, the bearing blocks 2 are controlled to move along the length direction of the long installation groove 12, so that the through hole corresponds to the screw holes 45 at different positions.

[0043] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A wheelset running-in test bench support device, characterized in that: include: A support base, used for fixed installation on the ground; the support base is provided with a mounting surface; There are two bearing blocks, both of which are arranged on the mounting surface and fixedly connected to the support base; the upper ends of the bearing blocks extend upward, and the two bearing blocks are arranged in parallel and spaced apart, and an accommodation space for mounting and accommodating a wheelset is formed between the two bearing blocks and the mounting surface; A first connecting member is fixedly mounted on one side of the upper end of the bearing block, and the first connecting member is provided with a first connecting surface for fixedly connecting with the outer side of the wheelset; A second connecting member is fixedly mounted on the other side of the upper end of the bearing block, and the second connecting member is provided with a second connecting surface for fixedly connecting with the outer side of the wheelset; the second connecting surface is higher than the first connecting surface; A locking mechanism is installed on the bearing block and is located between the first connecting member and the second connecting member; the lower end of the locking mechanism is hinged to the side of the bearing block away from the accommodating space, and the upper end is used to apply pressure from top to bottom on the wheelset.

2. The wheelset running-in test bench support device according to claim 1, characterized in that: A connecting seat is provided on the side of the bearing block body away from the accommodating space; the locking mechanism includes a bending link, a fixed block, an extrusion link and a locking piece, the lower end of the bending link is hinged on the connecting seat, and the upper end extends obliquely upward to the top of the bearing block body; the fixed block is fixedly installed on the upper end of the bending link, and the fixing block is provided with a connecting hole that passes through from top to bottom; the extrusion link is installed on the fixed block and is installed in cooperation with the connecting hole; the extrusion link has the freedom to move axially along the connecting hole; the locking piece is installed on the extrusion link, and is used to lock and fix the extrusion link and the fixed block.

3. The wheelset running-in test bench support device according to claim 2, characterized in that: The connecting hole is a threaded hole, and a threaded section threadedly connected to the threaded hole is provided on the outer side surface of the extrusion connecting rod; the locking piece is a locking nut threadedly mounted on the extrusion connecting rod; and an operating part for screwing the extrusion connecting rod is provided at the upper end of the extrusion connecting rod.

4. The wheelset running-in test bench support device according to claim 3, characterized in that: The extrusion connecting rod is provided with a mounting hole and an operating rod mounted in the mounting hole, and the axial direction of the mounting hole is perpendicular to the axial direction of the extrusion connecting rod.

5. The wheelset running-in test bench support device according to claim 2, characterized in that: The lower end of the extruded connecting rod is provided with a plastic pad for contacting the outer side of the wheelset.

6. The wheelset running-in test bench support device according to claim 2, characterized in that: The connecting seat includes a connecting plate and a U-shaped block. The connecting plate is fixed to the outer surface of the supporting block body, and the web of the U-shaped block is fixedly connected to the side of the connecting plate away from the supporting block body. A connecting shaft is provided in the U-shaped block, and a rotating hole is provided at the lower end of the bent connecting rod for rotationally cooperating with the connecting shaft.

7. The wheelset running-in test bench support device according to claim 6, characterized in that: The connecting seat also includes a pin shaft, and a through hole is also provided on the U-shaped block, and a pin hole corresponding to the through hole is provided on the bending connecting rod; the bending connecting rod is rotated upward until the through hole is coaxially aligned with the pin hole, and the pin shaft passes through the through hole and the pin hole to limit the position of the bending connecting rod.

8. The wheelset running-in test bench support device according to claim 1, characterized in that: The first connecting member is a flat plate structure, the upper end surface of the first connecting member is a first connecting surface, and the first connecting surface is provided with a plurality of screw holes; the second connecting member includes a base plate and a column, the base plate is fixedly installed on the supporting block, the column is fixedly installed on the base plate, and the upper end surface of the column is a second connecting surface, and the second connecting surface is provided with a plurality of screw holes.

9. The wheelset running-in test bench support device according to claim 1, characterized in that: The wheelset running-in test bench support device also includes a spare connection area arranged on the bearing block and an auxiliary pad installed on the spare connection area, and the spare connection area and the auxiliary pad are located between the first connecting member and the second connecting member.

10. The wheelset running-in test bench support device according to claim 1, characterized in that: The mounting surface is provided with a plurality of parallel and spaced long mounting grooves, and the bearing block has a plurality of parallel and spaced long mounting grooves. The degree of freedom of surface movement, each of the long installation grooves is provided with a screw hole for connecting with the bearing block; The bearing block is provided with a through hole corresponding to the screw hole.

Images