Rail car

By designing adjustment mechanisms and linkage components in the rail car, rotation and adaptive movement during the turning process are achieved, the problem of large-scale wear of existing rail car is solved, and the durability and service life of the rail car is improved.

CN222757328UActive Publication Date: 2025-04-15WUHAN HONGZHIXING AGRI & ANIMAL HUSBANDRY MACHINERY
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Patent Information

Application Number
CN202421556527.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-07-03
Publication Date
2025-04-15
Estimated Expiration
2034-07-03

AI Technical Summary

Technical Problem

Existing track cars are prone to squeeze and shake during turning, resulting in large wear and difficulty in achieving automatic adaptation and adjustment.

Method used

A rail car is designed, using an adjustment mechanism and linkage assembly. Through the coordination of the rotating shaft, concave sleeve, support sleeve and guide wheel, rotation and adaptive movement during the turning process can be achieved, frictional resistance is reduced, and wear is avoided.

Benefits of technology

It effectively reduces the wear of the railcar during turning, improves durability, and realizes adaptive movement, enhancing the service life of the railcar.

✦ Generated by Eureka AI based on patent content.

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    Figure CN222757328U_ABST
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Abstract

The utility model discloses a rail car, and particularly relates to the technical field of rail cars, the rail car comprises a main body support, two sleeve plates are arranged above the main body support, the inner wall of each sleeve plate is fixedly connected with a bearing, and the inner wall of each bearing is provided with an adjusting mechanism; the adjusting mechanism comprises a rotating shaft rotationally arranged on the inner wall of the bearing, a concave sleeve plate connected with the rotating shaft is arranged above the bearing, and supporting sleeve plates fixedly connected through bolts are arranged on the two sides of the concave sleeve plate. The adjusting mechanism is adopted, the main body support drives the two sleeve plates to move, the sleeve plates drive the bearings to enable the rotating shafts to move, the bearing wheels roll on the guide rails, the concave sleeve plates drive the rotating shafts to rotate, the rotating shafts rotate in the bearings, the guide wheels drive the guide shafts to rotate on the guide concave plates, and rotation and self-adaptive movement are achieved in the turning process. Friction resistance is reduced, damage caused by abrasion is avoided, and therefore the durability is better.
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Description

Technical Field

[0001] The utility model relates to the technical field of rail vehicles, and more specifically, to a rail vehicle. Background Art

[0002] The rail trolley is a kind of assembly line equipment with limited application compared to other assembly line products such as belt conveyor lines and double-speed chain conveyor lines. It uses the track to set the trolley so as to achieve the purpose of running in the production workshop.

[0003] In the existing public documents, the patent announcement number CN210000317U discloses a suspended rail trolley, which is fixedly connected to the inner bottom wall of the U-shaped frame through the bottom of the first steel bar rope. The utility model can ensure that the wheel moves along the track of the groove through the slide rail groove, prevent the wheel from deviating from the original predetermined track when moving, ensure the safety of the wheel operation, and facilitate the use of the wheel. The spring can buffer the tension of the first steel bar rope and the downward force of the buffer device. However, the rail trolley has the following defects;

[0004] When the rail trolley is in the process of suspension movement, since the track has a turning position, the rail trolley will be squeezed and shaken during the turning process, resulting in greater wear and tear, which makes it difficult to achieve automatic adaptive adjustment according to the curvature of the track. For this purpose, a rail trolley is provided. Utility Model Content

[0005] In order to overcome the above-mentioned defects of the prior art, the utility model provides a rail vehicle.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a rail vehicle comprises a main frame, two sleeve plates are installed above the main frame, the inner wall of each sleeve plate is fixedly connected with a bearing, and the inner wall of the bearing is provided with an adjusting mechanism; the adjusting mechanism comprises a rotating shaft rotatably arranged on the inner wall of the bearing, a concave sleeve plate connected to the rotating shaft is provided above the bearing, and support sleeve plates fixedly connected by bolts are provided on both sides of the concave sleeve plate; the inner wall of each support sleeve plate is rotatably connected with a linkage shaft, one side of the support sleeve plate is provided with a load-bearing wheel fixedly connected with the linkage shaft, a guide shaft is provided below the linkage shaft, the outer wall of the guide shaft is fixedly connected with a guide wheel, one side of the guide wheel is rotatably connected with a guide concave plate, and one side of the guide concave plate is fixedly installed with a sliding shaft; the outer wall of the sliding shaft is slidably connected with the support sleeve plate, and a guide spring is connected between the support sleeve plate and the guide concave plate.

[0007] Preferably, the rotating shaft is fixedly connected to the concave sleeve, and the vertical cross-sectional shape of the concave sleeve is set to be concave, the load-bearing wheel is rotatably connected to the supporting sleeve, and the vertical cross-sectional shape of the load-bearing wheel is set to be circular, the supporting sleeve and the guide concave plate are fixedly connected to the guide spring, and the guide spring is slidably connected to the outer wall of the sliding shaft.

[0008] When the upper structure is in use, the main bracket drives the two sleeves to move, the sleeves drive the bearings to move the rotating shaft, the load-bearing wheels roll on the guide rails, and at the same time the load-bearing wheels rotate on the outer wall of the linkage shaft, the supporting sleeves drive the concave sleeves to rotate, the concave sleeves drive the rotating shaft to rotate, the sleeves support the bearings, and the main bracket supports the bearings, so that the guide wheel rolls on the side of the guide rail, and the guide wheel will drive the guide shaft to move after being squeezed by the extrusion force, and the guide shaft drives the guide concave plate to move the sliding shaft, the guide spring is compressed on the supporting sleeve, and the guide wheel and the guide rail realize lateral adaptive displacement movement.

[0009] Preferably, two support plates are fixedly connected between the sleeve plate and the main frame, two spring shafts are fixedly connected at the top of the support plate and located between the two sleeve plates, a linkage platform is slidably connected to the outer wall of the spring shaft, and a linkage component is installed at the top of the linkage platform;

[0010] The linkage assembly includes a plurality of extrusion springs fixedly mounted on the top of the linkage platform, two limit nuts are arranged above each of the extrusion springs, and the two limit nuts are threadedly connected to the spring shaft; a motor is fixedly connected to the top of the linkage platform and near the middle thereof, and the output end of the motor is coaxially connected to a drive shaft, a drive wheel is fixedly connected to the outer wall of the drive shaft, and a bearing sleeve fixedly connected to the linkage platform is installed behind the drive wheel; the bearing sleeve is rotationally connected to the drive shaft, and a plurality of the spring shafts are arranged equidistantly in a rectangular shape, the outer wall of the spring shaft is set to a smooth surface, the center point of the drive shaft and the center point of the drive wheel are on the same horizontal line, and the vertical section of the drive wheel is set to a circular ring shape.

[0011] When the upper structure is in use, the driving shaft is driven by the motor, and the driving shaft drives the driving wheel to rotate. The bearing sleeve can ensure that the driving shaft can rotate stably, and the driving wheel can roll at the bottom of the track, and can carry the linkage platform to move multiple spring shafts. The linkage platform squeezes the extrusion spring through up and down fluctuations, and the extrusion spring realizes the supporting operation through two limit nuts, so as to realize the up and down adaptive fluctuation of the entire linkage platform. During the turning process, the vertical fluctuation can stably realize extrusion and fitting under the action of multiple extrusion springs, which can not only withstand axial force and radial force, but also make the guide frame rotate.

[0012] Technical effects and advantages of the utility model:

[0013] 1. The utility model adopts an adjustment mechanism, the main support drives the two sleeves to move, the sleeve drives the bearing to move the shaft, and in the process of turning, the load-bearing wheel rolls on the guide rail, the support sleeve drives the concave sleeve to rotate, the concave sleeve drives the shaft to rotate, the shaft rotates inside the bearing, the guide wheel drives the guide shaft to rotate on the guide concave plate, and at the same time, the guide wheel drives the guide shaft to move after being squeezed, which can realize rotation and adaptive movement during the turning process, reduce friction resistance, and avoid damage caused by wear, so that the durability is better;

[0014] 2. The utility model adopts a linkage component, the driving shaft drives the driving wheel to rotate, and the driving wheel rolls at the bottom of the track, which can carry the linkage platform to move multiple spring shafts. When the linkage platform is vertically fluctuating, the entire linkage platform can achieve up and down adaptive fluctuations, and can stably achieve extrusion and fitting under the action of multiple extrusion springs. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the overall structure of the rail vehicle of the present utility model.

[0016] Figure 2 It is a schematic diagram of the partial structure of the connection between the concave sleeve plate and the rotating shaft of the utility model.

[0017] Figure 3 For the utility model Figure 2 Enlarged structural diagram at A in the middle.

[0018] Figure 4 It is a schematic diagram of the partial structure of the connection between the spring shaft and the support plate of the utility model.

[0019] Figure 5 It is a schematic diagram of the structure of the rail vehicle of the utility model from a top view.

[0020] The accompanying drawings are marked as follows: 1. main bracket; 2. sleeve plate; 3. bearing; 4. rotating shaft; 5. concave sleeve plate; 6. supporting sleeve plate; 7. linkage shaft; 8. load-bearing wheel; 9. guide shaft; 10. guide wheel; 11. guide concave plate; 12. sliding shaft; 13. guide spring; 14. support plate; 15. spring shaft; 16. linkage platform; 17. extrusion spring; 18. limit nut; 19. motor; 20. drive shaft; 21. drive wheel; 22. bearing sleeve. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] As attached Figure 1-5 The rail vehicle shown is provided with an adjustment mechanism. The setting of the adjustment mechanism can drive the guide shaft 9 to move after the guide wheel 10 is subjected to the extrusion force. It can realize rotation and adaptive movement during the turning process, reduce friction resistance, and avoid damage caused by wear. This has better durability. The specific structural setting of the adjustment mechanism is as follows.

[0023] In this embodiment, as shown in the attached Figure 1-3 As shown, the adjustment mechanism includes a rotating shaft 4 rotatably arranged on the inner wall of the bearing 3, a concave sleeve plate 5 connected to the rotating shaft 4 is arranged above the bearing 3, and support sleeve plates 6 fixedly connected by bolts are arranged on both sides of the concave sleeve plate 5; the inner wall of each support sleeve plate 6 is rotatably connected to a linkage shaft 7, one side of the support sleeve plate 6 is provided with a load-bearing wheel 8 fixedly connected to the linkage shaft 7, a guide shaft 9 is arranged below the linkage shaft 7, the outer wall of the guide shaft 9 is fixedly connected to a guide wheel 10, one side of the guide wheel 10 is rotatably connected to a guide concave plate 11, and the guide concave plate A sliding shaft 12 is fixedly installed on one side of 11; the outer wall of the sliding shaft 12 is slidably connected to the support sleeve 6, a guide spring 13 is connected between the support sleeve 6 and the guide concave plate 11, the rotating shaft 4 is fixedly connected to the concave sleeve 5, and the vertical cross-sectional shape of the concave sleeve 5 is set to be concave, the load-bearing wheel 8 is rotatably connected to the support sleeve 6, and the vertical cross-sectional shape of the load-bearing wheel 8 is set to be a circular ring, the support sleeve 6 and the guide concave plate 11 are fixedly connected to the guide spring 13, and the guide spring 13 is slidably connected to the outer wall of the sliding shaft 12.

[0024] When the rail vehicle of this embodiment is in use, the guide rail is located below the load-bearing wheel 8, and at the same time, the guide rail is located in the gap between two adjacent guide wheels 10. When the entire main frame 1 moves, the main frame 1 drives the two sleeves 2 to move, and the sleeves 2 drive the bearings 3 to move the shaft 4. In the process of turning, the load-bearing wheel 8 rolls on the guide rail, and at the same time, the load-bearing wheel 8 rotates on the outer wall of the linkage shaft 7, and the linkage shaft 7 drives the support sleeve 6 to rotate, and the support sleeve 6 drives the concave sleeve 5 to rotate, and the concave sleeve 5 drives the shaft 4 to rotate, and the shaft 4 rotates inside the bearing 3, and the sleeve 2 The support bearing 3 and the main bracket 1 support the bearing 3, so that the guide wheel 10 rolls on the side of the guide rail, and the guide wheel 10 drives the guide shaft 9 to rotate on the guide concave plate 11. At the same time, the guide wheel 10 will drive the guide shaft 9 to move after being squeezed, and the guide shaft 9 drives the guide concave plate 11 to move the sliding shaft 12, and the guide concave plate 11 squeezes the guide spring 13, and the guide spring 13 is compressed on the support sleeve 6. At the same time, the sliding shaft 12 is guided and slidable along the inner wall of the support sleeve 6, so that the guide wheel 10 and the guide rail can realize lateral adaptive displacement movement.

[0025] In this embodiment, as shown in the attached Figure 1-5 As shown, two support plates 14 are fixedly connected between the sleeve plate 2 and the main frame 1, and two spring shafts 15 are fixedly connected to the top of the support plate 14 and located between the two sleeve plates 2. The outer wall of the spring shaft 15 is slidably connected to a linkage platform 16, and a linkage component is installed on the top of the linkage platform 16; the linkage component includes a plurality of extrusion springs 17 fixedly installed on the top of the linkage platform 16, and two limit nuts 18 are arranged above each extrusion spring 17, and the two limit nuts 18 are threadedly connected to the spring shaft 15; the top of the linkage platform 16 and the outer wall of the spring shaft 15 are slidably connected to a linkage platform 16, and the top of the linkage platform 16 is slidably connected to the outer wall of the spring shaft 15 ... A motor 19 is fixedly connected to the middle part thereof, and the output end of the motor 19 is coaxially connected to a drive shaft 20, a drive wheel 21 is fixedly connected to the outer wall of the drive shaft 20, and a bearing sleeve 22 fixedly connected to the linkage platform 16 is installed behind the drive wheel 21; the bearing sleeve 22 is rotationally connected to the drive shaft 20, and a plurality of spring shafts 15 are equidistantly arranged in a rectangular shape, the outer wall of the spring shaft 15 is set to a smooth surface, the center point of the drive shaft 20 and the center point of the drive wheel 21 are on the same horizontal line, and the vertical section of the drive wheel 21 is newly set to a circular ring shape.

[0026] When this embodiment is in use, the motor 19 drives the drive shaft 20, and the drive shaft 20 drives the drive wheel 21 to rotate, and the drive wheel 21 rolls at the bottom of the track. At the same time, the bearing sleeve 22 can ensure that the drive shaft 20 can rotate stably, so that the drive wheel 21 can roll at the bottom of the track, which can carry the linkage platform 16 to move the multiple spring shafts 15, and when the linkage platform 16 is vertically oscillating, the linkage platform 16 squeezes the extrusion spring 17 through the up and down fluctuations, and the extrusion spring 17 is supported by two limit nuts 18, so that the entire linkage platform 16 can be adaptively fluctuated up and down, so that during the turning process, the vertical fluctuation can be stably squeezed and fitted under the action of multiple extrusion springs 17, which can not only withstand axial force and radial force, but also rotate the guide frame, and cooperate with the guide wheel to enable the robot to complete the turning function on the track.

[0027] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A rail vehicle, comprising a main frame (1), characterized in that: Two sleeve plates (2) are installed above the main frame (1), the inner wall of each sleeve plate (2) is fixedly connected to a bearing (3), and the inner wall of the bearing (3) is provided with an adjustment mechanism; The adjustment mechanism comprises a rotating shaft (4) rotatably arranged on the inner wall of the bearing (3); a concave sleeve plate (5) connected to the rotating shaft (4) is arranged above the bearing (3); and support sleeve plates (6) fixedly connected by bolts are arranged on both sides of the concave sleeve plate (5); The inner wall of each support sleeve (6) is rotatably connected to a linkage shaft (7); a load-bearing wheel (8) fixedly connected to the linkage shaft (7) is provided on one side of the support sleeve (6); a guide shaft (9) is provided below the linkage shaft (7); a guide wheel (10) is fixedly connected to the outer wall of the guide shaft (9); a guide concave plate (11) is rotatably connected to one side of the guide wheel (10); and a sliding shaft (12) is fixedly installed on one side of the guide concave plate (11); The outer wall of the sliding shaft (12) is slidably connected to the support sleeve (6), and a guide spring (13) is connected between the support sleeve (6) and the guide concave plate (11).

2. The rail vehicle according to claim 1, characterized in that: The rotating shaft (4) is fixedly connected to the concave sleeve plate (5), and the vertical cross-section of the concave sleeve plate (5) is set to be concave.

3. The rail vehicle according to claim 1, characterized in that: The load-bearing wheel (8) is rotatably connected to the supporting sleeve plate (6), and the vertical cross-section of the load-bearing wheel (8) is set to be a circular ring.

4. The rail vehicle according to claim 1, characterized in that: The support sleeve plate (6) and the guide concave plate (11) are both fixedly connected to the guide spring (13), and the guide spring (13) is slidably connected to the outer wall of the sliding shaft (12).

5. The rail vehicle according to claim 1, characterized in that: Two support plates (14) are fixedly connected between the sleeve plate (2) and the main frame (1); two spring shafts (15) are fixedly connected at the top of the support plate (14) and located between the two sleeve plates (2); a linkage platform (16) is slidably connected to the outer wall of the spring shaft (15); and a linkage component is installed at the top of the linkage platform (16); The linkage assembly comprises a plurality of extrusion springs (17) fixedly mounted on the top of the linkage platform (16), two limit nuts (18) are arranged above each of the extrusion springs (17), and the two limit nuts (18) are threadedly connected to the spring shaft (15); A motor (19) is fixedly connected to the top of the linkage platform (16) and near the middle thereof, and the output end of the motor (19) is coaxially connected to a drive shaft (20), the outer wall of the drive shaft (20) is fixedly connected to a drive wheel (21), and a bearing sleeve (22) fixedly connected to the linkage platform (16) is installed behind the drive wheel (21); The bearing sleeve (22) is rotationally connected to the drive shaft (20).

6. The rail vehicle according to claim 5, characterized in that: The plurality of spring shafts (15) are arranged in a rectangular shape and are equidistantly distributed, and the outer wall of the spring shaft (15) is a smooth surface.

7. The rail vehicle according to claim 5, characterized in that: The center point of the driving shaft (20) and the center point of the driving wheel (21) are on the same horizontal line, and the vertical section of the driving wheel (21) is newly installed in the shape of a circular ring.

Citation Information

Patent Citations

  • Suspension type rail trolley

    CN210000317U