Special device for inspection and maintenance of railway freight open wagon doors

By designing a dedicated device for door maintenance for railway freight openers, using the combination of straightening components and positioning components, the existing maintenance methods are complicated and poorly effective, and efficient straightening and maintenance of the doors are achieved.

CN115465326BActive Publication Date: 2025-05-13SHANDONG JITIE RAIL VEHICLE EQUIP CO LTD
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Patent Information

Application Number
CN202211311560.X
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2022-10-25
Publication Date
2025-05-13
Estimated Expiration
2042-10-25

AI Technical Summary

Technical Problem

The existing railway freight opener door maintenance methods are cumbersome and have poor results, making it difficult to achieve effective straightening treatment.

Method used

A special device for door maintenance of railway freight open vehicles is designed, using straightening components and positioning components. Through the combination of straightening frame, internal push frame, straightening wheel, rotating shaft and straightening drive cylinder, precise straightening and adjustment of the door frame is achieved.

Benefits of technology

This device can significantly improve the convenience and efficiency of door maintenance, ensure the correction effect of doors, and improve the overall maintenance quality.

✦ Generated by Eureka AI based on patent content.

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Abstract

The invention discloses a special device for repairing railway freight open car doors, and the invention relates to the technical field of open cars. The special device for repairing railway freight open car doors, through the setting of a straightening component, when the straightening frame is inserted into a preset straightening path through the movement of a transport vehicle, the corresponding straightening drive cylinder is operated to push out the inner push frame in the corresponding straightening frame, so that it slides along the slide groove until several straightening wheels on the outside contact the inner side of the left door frame or the right door frame, and several rotating shafts rotatably installed on the inner side of the straightening frame can contact the outer side of the left door frame or the right door frame. After positioning is completed, the lifting cylinder is operated to drive the corresponding straightening frame to repeat the up and down translation operation through the transmission block, so as to straighten the left door frame or the right door frame, thereby ensuring the correction effect of the car door and improving the convenience of repairing the car door.
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Description

Technical Field

[0001] The invention relates to the technical field of open wagons, in particular to a special device for repairing doors of railway freight open wagons. Background Art

[0002] An open wagon is a type of railway freight car that is characterized by being uncovered and having four side panels, two of which have openable side doors to facilitate unloading of cargo. This type of car is mainly used to transport bulk items such as coal or ballast that are not afraid of wind and rain.

[0003] After a period of use, the side doors of open wagons need to be dismantled and then inspected. When the doors are deformed, the traditional inspection and straightening methods are mostly to straighten them by pulling with chains, which is more cumbersome and difficult to achieve the straightening effect. Summary of the invention

[0004] In view of the deficiencies in the prior art, the present invention provides a special device for repairing railway freight open car doors, which solves the problems of complicated repair and poor repair effect.

[0005] To achieve the above objectives, the present invention is implemented through the following technical solutions: a special device for repairing railway freight open car doors, including a transport car, a body is arranged on the top surface of the transport car, and a sliding assembly is arranged between the body, a push handle is fixedly installed at the middle of both ends of the side of the body, a supporting guide rail is fixedly installed on the top surface of the body, a positioning block is fixedly installed at both ends of the side of the supporting guide rail, and a sliding rod is fixedly installed inside the positioning block, and a connecting block is slidably installed on the outer side of the sliding rod on both sides, and a straightening assembly is fixedly installed on the outer side of the connecting block, and the straightening assembly The component includes a straightening frame, which is fixedly installed on the outer side of the corresponding connecting block, and sliding grooves are provided on both sides of the interior of the straightening frame, and an inner pushing frame is slidably installed through the sliding grooves, a plurality of straightening wheels are rotatably installed inside the inner pushing frame, and a plurality of rotating shafts are rotatably installed on one side of the interior of the straightening frame, a straightening drive cylinder is fixedly installed on the middle part of the outer side of the straightening frame, a fixing frame is fixedly installed on the outer side of the straightening drive cylinder, a transmission block is fixedly installed on the side of the straightening frame, and a driving assembly is provided at the end of the transmission block, and positioning assemblies are provided on both sides of the interior of the machine body.

[0006] Preferably, the driving assembly includes a lifting cylinder, a support plate is fixedly installed inside the body, there are two lifting cylinders, and they are respectively fixedly installed on both sides of the top surface of the support plate, the installation positions of the lifting cylinders on both sides are symmetrical to each other, and the ends are respectively connected to corresponding transmission blocks.

[0007] Preferably, the positioning assembly comprises a clamping plate, the clamping plate is fixedly mounted on the side of the machine body, and an adjusting convex head is rotatably mounted on one side of the bottom of the clamping plate.

[0008] Preferably, the positioning assembly also includes a positioning clamping plate, positioning cylinders are fixedly installed on both sides of the bottom of the support plate, positioning frames are fixedly installed on the outer sides of the positioning cylinders on both sides, and are fixedly connected to both sides of the inner wall of the machine body through the positioning frames, and there are two positioning clamping plates, which are respectively fixedly installed on the corresponding ends of the positioning cylinders.

[0009] Preferably, the installation positions of the positioning clamps on both sides correspond to the installation positions of the clamping plates on both sides respectively.

[0010] Preferably, the sliding assembly includes a sliding guide rail, and the sliding guide rails are two and fixedly mounted on both sides of the top surface of the transport vehicle, and both sides of the bottom of the body are slidably mounted inside the sliding guide rails.

[0011] Preferably, the installation positions of the straightening frames on both sides are parallel to each other, and are slidably installed on both sides of the supporting guide rail through the cooperation of the side connecting blocks and the sliding rods.

[0012] Beneficial Effects

[0013] The present invention provides a special device for repairing railway freight open wagon doors. Compared with the prior art, it has the following beneficial effects:

[0014] (1) The special device for inspecting and repairing the doors of open railway freight cars is provided with a straightening assembly. When the straightening frame is inserted into a preset straightening path by the movement of the transport vehicle, the corresponding straightening drive cylinder is operated to push out the inner push frame in the corresponding straightening frame, so that it slides along the slide groove until several straightening wheels on the outside contact the inner side of the left door frame or the right door frame, and several rotating shafts rotatably installed on the inner side of the straightening frame can contact the outer side of the left door frame or the right door frame. After positioning is completed, the lifting cylinder is operated to drive the corresponding straightening frame to repeat the up and down translation operation through the transmission block, so as to straighten the left door frame or the right door frame, thereby ensuring the correction effect of the door and improving the convenience of door inspection.

[0015] (2) The special device for inspecting and repairing the door of an open railway freight car is provided with a positioning component. When the position of the straightening frame is adjusted, the convex head can be adjusted to fit and rotate with the top surface of the car body until the straightening frame moves to a preset straightening path and then operates through the corresponding positioning cylinder to push the electric positioning clamp upward and fit with the bottom of the train body. At the same time, the train body is clamped by the cooperation of the clamping plate and the adjusting convex head, making it more convenient to adjust the position of the straightening path and improving the stability of the equipment during subsequent calibration. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the overall structure of the present invention;

[0017] Figure 2 It is a schematic diagram of the structure of the machine body of the present invention;

[0018] Figure 3 It is a schematic diagram of the cross-sectional structure of the machine body of the present invention;

[0019] Figure 4 It is a schematic diagram of the supporting guide rail and the straightening frame structure of the present invention;

[0020] Figure 5 It is a schematic diagram of the structure of the straightening assembly of the present invention.

[0021] In the figure: 1. transport vehicle; 2. sliding guide rail; 3. machine body; 301. pushing handle; 4. supporting guide rail; 401. positioning block; 402. sliding rod; 5. supporting plate; 6. lifting cylinder; 7. clamping plate; 701. adjusting boss; 8. positioning cylinder; 801. positioning frame; 802. positioning clamping plate; 9. straightening frame; 901. slideway; 902. rotating shaft; 10. straightening drive cylinder; 1001. fixing frame; 11. inner push frame; 1101. straightening wheel; 12. connecting block; 13. transmission block. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0023] See also Figure 1-5 The present invention provides two technical solutions, which specifically include the following steps:

[0024] Embodiment 1:

[0025] A special device for inspecting and repairing the doors of railway freight open cars comprises a transport car 1, which is an existing electric flatbed transport car, and a hydraulic power unit is arranged at the bottom thereof for driving a lifting cylinder 6, a positioning cylinder 8 and a straightening drive cylinder 10. A body 3 is arranged on the top surface of the transport car 1, and a sliding assembly is arranged between the body 3, and a pushing handle 301 is fixedly installed at the middle of both ends of the side of the body 3, a supporting guide rail 4 is fixedly installed on the top surface of the body 3, and positioning blocks 401 are fixedly installed at both ends of the side of the supporting guide rail 4, and sliding rods 402 are fixedly installed inside the positioning blocks 401, and connecting blocks 12 are slidably installed on the outer sides of the sliding rods 402 on both sides, and straightening assemblies are fixedly installed on the outer sides of the connecting blocks 12, and the straightening assemblies include a straightening frame 9, and the straightening frame 9 is fixedly installed on the outer sides of the corresponding connecting blocks 12. Slide grooves 901 are provided on both sides of the interior of the frame 9, and an inner push frame 11 is slidably installed through the slide grooves 901, a plurality of straightening wheels 1101 are rotatably installed inside the inner push frame 11, a plurality of rotating shafts 902 are rotatably installed on one side of the interior of the straightening frame 9, a straightening drive cylinder 10 is fixedly installed in the middle of the outer side of the straightening drive cylinder 9, a fixed frame 1001 is fixedly installed on the outer side of the straightening drive cylinder 10, a transmission block 13 is fixedly installed on the side of the straightening frame 9, and a driving assembly is provided at the end of the transmission block 13, positioning assemblies are provided on both sides of the interior of the machine body 3, and the driving assembly includes a lifting cylinder 6, a support plate 5 is fixedly installed inside the machine body 3, there are two lifting cylinders 6, and they are respectively fixedly installed on both sides of the top surface of the support plate 5, and the installation positions of the lifting cylinders 6 on both sides are symmetrical to each other, and the ends are respectively connected to the corresponding transmission blocks 13;

[0026] In the embodiment of the present invention, the positioning assembly includes a clamping plate 7, which is fixedly mounted on the side of the machine body 3, and an adjusting protrusion 701 is rotatably mounted on one side of the bottom of the clamping plate 7. The positioning assembly also includes a positioning clamping plate 802, and positioning cylinders 8 are fixedly mounted on both sides of the bottom of the support plate 5. Positioning frames 801 are fixedly mounted on the outer sides of the positioning cylinders 8 on both sides, and are fixedly connected to both sides of the inner wall of the machine body 3 through the positioning frames 801. There are two positioning clamping plates 802, which are fixedly mounted on the corresponding ends of the positioning cylinders 8, and the installation positions of the positioning clamping plates 802 on both sides correspond to the installation positions of the clamping plates 7 on both sides.

[0027] In an embodiment of the present invention, the sliding assembly includes a sliding guide rail 2, two sliding guide rails 2 are respectively fixedly installed on both sides of the top surface of the transport vehicle 1, and the bottom sides of the body 3 are respectively slidably installed inside the sliding guide rail 2. The installation positions of the straightening frames 9 on both sides are parallel to each other, and are respectively slidably installed on both sides of the support guide rail 4 through the cooperation of the side connecting blocks 12 and the sliding rod 402.

[0028] When in use, first move the machine body 3 to the outside of the left door frame or the right door frame by moving the transport vehicle 1, and then push the pushing handles 301 on both sides to make the machine body 3 slide outward through the sliding guide rails 2, so that the straightening frames 9 on both sides correspond to the door frames on both sides, and at the same time, the adjusting protrusions 701 at the bottom of the clamping plates 7 on both sides can contact the top surface of the train body, and then move the transport vehicle 1 to drive the machine body 3 to move horizontally to one side of the left door frame or the right door frame until the corresponding straightening frame 9 is snapped into the corresponding left door frame or the right door frame. At this time, the movement of the transport vehicle 1 can make the adjusting protrusion 701 fit and rotate with the top surface of the body, until the straightening frame 9 moves to the preset straightening path and passes through the corresponding positioning The oil cylinder 8 is operated to push its electric positioning clamp plate 802 upwards and fit with the bottom of the train body. At the same time, the train body is clamped by the cooperation between the clamping plate 7 and the adjusting protrusion 701. At the same time, the corresponding straightening drive oil cylinder 10 is operated to push out the inner push frame 11 in the corresponding straightening frame 9, so that it slides along the slide groove 901 until the several straightening wheels 1101 on the outside contact with the inner side of the left door frame or the right door frame, and the several rotating shafts 902 rotatably installed on the inner side of the straightening frame 9 can contact with the outer side of the left door frame or the right door frame. After the positioning is completed, the lifting oil cylinder 6 is operated to drive the corresponding straightening frame 9 to repeat the up and down translation operation through the transmission block 13 to straighten the left door frame or the right door frame;

[0029] Embodiment 2:

[0030] The invention discloses a special device for repairing the door of an open railway freight car, comprising a transport car 1, a body 3 is arranged on the top surface of the transport car 1, and a sliding assembly is arranged between the body 3, a pushing handle 301 is fixedly installed at the middle of both ends of the side of the body 3, a supporting guide rail 4 is fixedly installed on the top surface of the body 3, a positioning block 401 is fixedly installed at both ends of the side of the supporting guide rail 4, and a slide bar 402 is fixedly installed inside the positioning block 401, a connecting block 12 is slidably installed on the outer side of the slide bar 402 on both sides, and a straightening assembly is fixedly installed on the outer side of the connecting block 12, and the straightening assembly includes a straightening frame 9, the straightening frame 9 is fixedly installed on the outer side of the corresponding connecting block 12, and a slide groove 901 is opened on both sides of the straightening frame 9, and a sliding groove 901 is slidably installed through the slide groove 901. There is an inner push frame 11, and a plurality of straightening wheels 1101 are rotatably installed inside the inner push frame 11, a plurality of rotating shafts 902 are rotatably installed on one side of the inner side of the straightening frame 9, a straightening drive cylinder 10 is fixedly installed in the middle of the outer side of the straightening frame 9, and a fixing frame 1001 is fixedly installed on the outer side of the straightening drive cylinder 10, a transmission block 13 is fixedly installed on the side of the straightening frame 9, and a driving assembly is arranged at the end of the transmission block 13, positioning assemblies are arranged on both sides of the inner side of the machine body 3, and the driving assembly includes a lifting cylinder 6, a support plate 5 is fixedly installed inside the machine body 3, there are two lifting cylinders 6, and they are respectively fixedly installed on both sides of the top surface of the support plate 5, and the installation positions of the lifting cylinders 6 on both sides are symmetrical to each other, and the ends are respectively connected to the corresponding transmission blocks 13;

[0031] In an embodiment of the present invention, the sliding assembly includes a sliding guide rail 2, two sliding guide rails 2 are respectively fixedly installed on both sides of the top surface of the transport vehicle 1, and the bottom sides of the body 3 are respectively slidably installed inside the sliding guide rail 2. The installation positions of the straightening frames 9 on both sides are parallel to each other, and are respectively slidably installed on both sides of the support guide rail 4 through the cooperation of the side connecting blocks 12 and the sliding rod 402.

[0032] When in use, first move the machine body 3 to the outside of the left door frame or the right door frame by moving the transport vehicle 1, and then push the pushing handles 301 on both sides to make the machine body 3 slide outward through the sliding guide rails 2, so that the straightening frames 9 on both sides correspond to the door frames on both sides, and then move the transport vehicle 1 to drive the machine body 3 to translate to one side of the left door frame or the right door frame until the corresponding straightening frame 9 is snapped into the corresponding left door frame or the right door frame, and then the corresponding straightening driving cylinder 10 is operated to push out the inner pushing frame 11 in the corresponding straightening frame 9, so that it slides along the slide groove 901 until the several straightening wheels 1101 on the outside contact with the inner side of the left door frame or the right door frame, and the several rotating shafts 902 rotatably installed on the inner side of the straightening frame 9 can contact with the outer side of the left door frame or the right door frame, and after positioning is completed, the lifting cylinder 6 is operated to drive the corresponding straightening frame 9 through the transmission block 13 to repeat the up and down translation operation to straighten the left door frame or the right door frame.

[0033] Meanwhile, the contents not described in detail in this specification belong to the prior art known to those skilled in the art.

[0034] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0035] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A special device for inspecting and repairing a door of a railway freight open wagon, comprising a transport wagon (1), characterized in that: A body (3) is arranged on the top surface of the transport vehicle (1), and a sliding assembly is arranged between the body (3); a pushing handle (301) is fixedly mounted in the middle of both ends of the side surface of the body (3); a supporting guide rail (4) is fixedly mounted on the top surface of the body (3); positioning blocks (401) are fixedly mounted on both ends of the side surface of the supporting guide rail (4), and a sliding rod (402) is fixedly mounted inside the positioning block (401); connecting blocks (12) are slidably mounted on the outer sides of the sliding rods (402) on both sides, and a straightening assembly is fixedly mounted on the outer sides of the connecting blocks (12); The straightening assembly comprises a straightening frame (9), the straightening frame (9) is fixedly mounted on the outside of the corresponding connecting block (12), both sides of the straightening frame (9) are provided with sliding grooves (901), and an inner push frame (11) is slidably mounted through the sliding grooves (901), a plurality of straightening wheels (1101) are rotatably mounted inside the inner push frame (11), a plurality of rotating shafts (902) are rotatably mounted on one side of the straightening frame (9), a straightening drive cylinder (10) is fixedly mounted in the middle of the outer side of the straightening frame (9), a fixing frame (1001) is fixedly mounted on the outer side of the straightening drive cylinder (10), a transmission block (13) is fixedly mounted on the side of the straightening frame (9), and a driving assembly is arranged at the end of the transmission block (13), and positioning assemblies are arranged on both sides of the inner side of the machine body (3).

2. The special device for repairing railway open-top freight car doors according to claim 1 is characterized in that: The driving assembly comprises a lifting cylinder (6). A support plate (5) is fixedly installed inside the machine body (3). There are two lifting cylinders (6), which are fixedly installed on both sides of the top surface of the support plate (5). The installation positions of the lifting cylinders (6) on both sides are symmetrical to each other, and the ends are respectively connected to corresponding transmission blocks (13).

3. The special device for repairing railway open-top freight car doors according to claim 2 is characterized in that: The positioning assembly comprises a clamping plate (7), the clamping plate (7) being fixedly mounted on the side of the machine body (3), and an adjusting convex head (701) being rotatably mounted on one side of the bottom of the clamping plate (7).

4. The special device for repairing railway open-top freight car doors according to claim 3 is characterized in that: The positioning assembly further comprises a positioning clamping plate (802), positioning cylinders (8) are fixedly mounted on both sides of the bottom of the support plate (5), positioning frames (801) are fixedly mounted on the outer sides of the positioning cylinders (8) on both sides, and are fixedly connected to both sides of the inner wall of the machine body (3) through the positioning frames (801), and there are two positioning clamping plates (802), which are respectively fixedly mounted on the ends of the corresponding positioning cylinders (8).

5. The special device for repairing railway open-top freight car doors according to claim 4 is characterized in that: The installation positions of the positioning clamping plates (802) on both sides respectively correspond to the installation positions of the clamping plates (7) on both sides.

6. The special device for repairing railway open-top freight car doors according to claim 1 is characterized by: The sliding assembly comprises a sliding guide rail (2), wherein the sliding guide rail (2) is provided in two pieces and is respectively fixedly mounted on both sides of the top surface of the transport vehicle (1), and both sides of the bottom of the machine body (3) are respectively slidably mounted inside the sliding guide rail (2).

7. The special device for repairing railway open-top freight car doors according to claim 1 is characterized by: The installation positions of the straightening frames (9) on both sides are parallel to each other, and are respectively slidably installed on both sides of the support rail (4) through the cooperation of the side connection blocks (12) and the slide bars (402).

Citation Information

Patent Citations

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