Novel track walking device and crane comprising same

By designing a new type of track walking device and using the drive device to drive the walking support frame to move on the track device, the existing large crane walking drive device has solved the problems of complex structure and cumbersome disassembly, and achieved the effect of simple structure, convenient disassembly, safe and reliable, and low cost.

CN222892915UActive Publication Date: 2025-05-23ZHENGZHOU NEW DAFANG HEAVY IND & TECH +1
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Patent Information

Application Number
CN202421987510.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-08-16
Publication Date
2025-05-23
Estimated Expiration
2034-08-16

AI Technical Summary

Technical Problem

The walking drive devices of existing large cranes are complex in structure and cumbersome in disassembly, resulting in high costs and maintenance costs, affecting their application.

Method used

A new type of track walking device is designed, including a track device, a walking support frame and a drive device. The driving device drives the walking support frame to move on the track device, making the structure simple and easy to disassemble.

Benefits of technology

The structural design of the walking support frame moving on the track device is realized, which simplifies maintenance and replacement, and has the advantages of safety, reliability and low cost.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a novel track walking device and a crane comprising the same. The novel track walking device comprises a track device, a walking support frame arranged on the track device and movably matched with the track device, and a driving device arranged between the track device and the walking support frame, and the driving device drives the walking support frame to move on the track device; the driving device is connected with the walking supporting frame and comprises a driving unit and a first driving assembly, the driving unit is in driving connection with the first driving assembly, a second driving assembly is arranged on the track device along the walking track, and the first driving assembly is in transmission connection with the second driving assembly. Through the structure that the driving device is matched with the track device, the walking supporting frame can move on the track device, meanwhile, maintenance and replacement are convenient, and the device has the advantages of being simple in structure, convenient to disassemble, safe, reliable, low in cost and the like.
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Description

Technical Field

[0001] The utility model relates to a travel drive device, in particular to a track travel device in the field of large cranes. Background Art

[0002] At present, with the rapid development of the crane industry, the lifting capacity of cranes is getting bigger and bigger, and the weight of the cranes themselves is also getting heavier. The safety and economy of crane travel are becoming more and more important, and the travel drive device has become an important factor restricting the development of super-large cranes. At present, the travel drive device of large cranes has a complex structure and cumbersome disassembly, and the cost and maintenance cost are getting higher and higher, which affects its application in large cranes. Utility Model Content

[0003] In order to solve the problems in the prior art, the utility model provides a new track traveling device with simple structure, convenient disassembly, safety, reliability and low cost, and a crane comprising the device.

[0004] In order to solve the above technical problems, the utility model adopts the following technical solutions:

[0005] A novel track travel device comprises a track device, a travel support frame arranged on the track device and cooperating with the track device, and a driving device arranged between the track device and the travel support frame, wherein the driving device drives the travel support frame to move on the track device;

[0006] The driving device is connected to the walking support frame, and the driving device includes a driving unit and a driving component 1. The driving unit is drivingly connected to the driving component 1. A driving component 2 is arranged along the walking track on the track device, and the driving component 1 cooperates with the driving component 2 in transmission.

[0007] Based on the above, the track device includes a track seat, the upper side of the track seat is provided with a roller assembly along the walking track, and the walking support frame is movably matched with the roller assembly;

[0008] A base assembly is arranged on the left and / or right side of the track seat along the walking track, and a pin shaft group consisting of a plurality of pin shafts is arranged on the side of the base assembly, and the pin shaft group forms a second driving assembly.

[0009] Based on the above, the roller assembly is composed of a plurality of rollers mounted on a roller frame through connecting pins;

[0010] The upper side surface of the track seat is provided with a first track, and the first track contacts with the lower track surface of the rotatable roller and matches with each other in shape.

[0011] Based on the above, the walking support frame is connected to the driving device through a connecting seat on its side, and a second track is provided on the lower side of the walking support frame. The second track contacts with the upper rail surface of the roller of the track device and matches the shape.

[0012] Based on the above, the driving unit in the driving device is a driving motor, and the driving motor is connected to the connecting seat on the walking support frame;

[0013] The driving assembly in the driving device is a gear connected to the driving motor, and the gear is meshed with the pin shaft group in the track device. The driving motor drives the gear to rotate, thereby realizing the meshing movement of the gear and the pin shaft group, thereby driving the walking support frame to move on the roller assembly.

[0014] Based on the above, the output shaft of the driving motor extends downward to the position of the pin shaft group, and the gear is installed on the output shaft of the driving motor.

[0015] Based on the above, the connecting seat is provided with a mounting hole for the driving motor to pass through, and a circle of first fixing holes is provided around the mounting hole; a flange is fixedly provided on the driving motor, and a second fixing hole is provided on the flange at a position corresponding to the first fixing hole; the fixing bolts pass through the corresponding first fixing hole and the second fixing hole to fix the driving motor on the connecting seat.

[0016] The utility model also discloses a crane, which comprises the novel track traveling device.

[0017] Beneficial effects of the utility model:

[0018] The utility model has substantial characteristics and progress compared with the prior art. Specifically, the utility model realizes the movement of the walking support frame on the track device through the cooperation of the driving device and the track device. It has a simple structure, is easy to disassemble, safe and reliable, and has low cost.

[0019] The structural design of the three parts of the track device, the walking support frame and the driving device in the utility model is convenient for maintenance and replacement, and has the advantages of simple structure, convenient disassembly, safety, reliability and low cost. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a structural schematic diagram of the track traveling device of the utility model.

[0021] Figure 2 The utility model is a schematic diagram of the track device structure in the track running device.

[0022] Figure 3 It is a schematic diagram of the structure of a roller assembly in a track traveling device of the utility model.

[0023] Figure 4 It is a schematic diagram of the structure of a base assembly in a track traveling device of the utility model.

[0024] Figure 5It is a structural schematic diagram of a travel support frame in a track travel device of the utility model from a viewing angle.

[0025] Figure 6 It is a structural schematic diagram of the second perspective of the walking support frame in the track walking device of the utility model.

[0026] Figure 7 It is a schematic diagram of the structure of a driving device in a track traveling device of the utility model.

[0027] In the figure: 1. track device; 2. walking support frame; 3. driving device; 4. roller assembly; 5. base assembly; 6. roller; 7. connecting pin; 8. roller frame; 9. track seat; 10. pin assembly; 11. driving motor; 12. gear; 13. connecting seat; 14. first track; 15. second track.

[0028] The drawings are only used for illustrative purposes and should not be construed as limitations on this patent. In order to better illustrate this embodiment, some parts of the drawings may be omitted, enlarged, or reduced, and do not represent the size of the actual product. For those skilled in the art, it is understandable that some well-known structures and their descriptions in the drawings may be omitted. DETAILED DESCRIPTION

[0029] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the accompanying drawings in the embodiments of the present invention.

[0030] Embodiment 1:

[0031] like Figures 1 to 7 As shown, this embodiment provides a new type of track walking device, including a track device 1, a walking support frame 2 arranged on the track device 1 and moving with it, and a driving device 3 arranged between the track device 1 and the walking support frame 2. The driving device 3 is connected to the walking support frame 2, and the driving device 3 includes a driving unit and a driving component 1, the driving unit is drivingly connected to the driving component 1, and the track device 1 is arranged with a driving component 2 along the walking track, and the driving component 1 is drivingly matched with the driving component 2. When working, the driving unit of the driving device 3 drives the driving component 1 to work, and the driving component 1 then interacts with the driving component 2, so as to realize the movement of the walking support frame 2 on the track device 1.

[0032] Specifically, the track device 1 includes a track seat 9, and a roller assembly 4 is provided on the upper side of the track seat 9 along the walking track, and the walking support frame 2 is movably matched with the roller assembly.

[0033] The roller assembly 4 is formed by a plurality of rollers 6 mounted on a roller frame 8 via a connecting pin 7. At the same time, a first track 14 is provided on the upper side of the track seat 9, and the first track 14 contacts with the lower track surface of the rotatable roller 6 and matches the shape.

[0034] A second track 15 is provided on the lower side of the walking support frame 2 , and the second track 15 contacts the upper rail surface of the roller 6 of the track device 1 and matches the second rail 15 in shape.

[0035] The left and right sides of the track seat 9 are provided with a base assembly 5 along the walking track. The base assembly 5 is provided with a pin shaft group 10 composed of a plurality of pin shafts on its side, and the pin shaft group 10 forms a second driving assembly.

[0036] The driving unit in the driving device 3 is a driving motor 11, and the driving motor 11 is connected to the connecting seat 13 on the side of the walking support frame 2. The specific installation method of the driving motor 11 and the connecting seat 13 is as follows: the connecting seat 13 is provided with a mounting hole for the driving motor 11 to pass through, and a circle of first fixing holes is provided around the mounting hole; a flange is fixedly provided on the driving motor 11, and a second fixing hole is provided on the flange at a position corresponding to the first fixing hole. During installation, the driving motor 11 passes downward through the mounting hole so that the flange contacts the connecting seat, and then aligns the first fixing hole and the second fixing hole, and then the fixing bolt passes through the corresponding first fixing hole and the second fixing hole to fix the driving motor 11 on the connecting seat 13.

[0037] The first driving component in the driving device 3 is a gear 12. The output shaft of the driving motor 11 extends downward to the position of the pin shaft group 10. The gear 12 is installed on the output shaft. At the same time, the gear 12 is meshed and connected with the pin shaft group 10 in the track device 1. The driving motor 11 drives the gear 12 to rotate, thereby realizing the meshing movement of the gear 12 and the pin shaft group 10, thereby driving the walking support frame 2 to move on the track surface of the roller 6.

[0038] The utility model realizes the movement of the walking support frame on the track device through the structure in which the gear of the driving device is meshed with the pin shaft group of the track device, and is easy to repair and replace. It has the advantages of simple structure, convenient disassembly, safety and reliability, and low cost.

[0039] Embodiment 2:

[0040] This embodiment discloses a crane, which includes the new rail running device of the first embodiment. The structure of the new rail running device can refer to the above embodiment and will not be described in detail here. As a matter of course, since the crane of this embodiment adopts the technical solution of the above new rail running device, the crane has all the beneficial effects of the above new rail running device.

[0041] The above embodiments are only used to illustrate rather than limit the technical solutions of the present invention. Although the present invention is described in detail with reference to the above embodiments, those skilled in the art should understand that the present invention can still be modified or replaced by equivalents. Any modification or partial replacement that does not depart from the spirit and scope of the present invention should be included in the scope of the claims of the present invention.

[0042] If the words "first", "second" and so on are used in this document to limit components, those skilled in the art should know that the use of "first" and "second" is only for the convenience of describing the utility model and simplifying the description. Unless otherwise stated, the above words have no special meaning.

[0043] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0044] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

Claims

1. A new type of track running device, characterized in that: It comprises a track device (1), a walking support frame (2) arranged on the track device (1) and moving in coordination with the track device (1), and a driving device (3) arranged between the track device (1) and the walking support frame (2), wherein the walking support frame (2) is driven by the driving device (3) to move on the track device (1); The driving device (3) is connected to the walking support frame (2), and comprises a driving unit and a driving component 1. The driving unit is drivingly connected to the driving component 1. The track device (1) is provided with a driving component 2 along the walking track, and the driving component 1 is drivingly matched with the driving component 2.

2. The novel track running device according to claim 1 is characterized in that: The track device (1) comprises a track seat (9), the upper side of the track seat (9) is provided with a roller assembly (4) along the walking track, and the walking support frame (2) is movably matched with the roller assembly; A base assembly (5) is provided on the left and / or right side of the track seat (9) along the walking track. A pin assembly (10) composed of a plurality of pins is provided on the side of the base assembly (5). The pin assembly (10) forms a second drive assembly.

3. The new track running device according to claim 2 is characterized in that: The roller assembly (4) is composed of a plurality of rollers (6) mounted on a roller frame (8) via a connecting pin (7); The upper side surface of the track seat (9) is provided with a first track (14), and the first track (14) contacts the lower track surface of the rotatable roller (6) and matches the shape thereof.

4. The new track running device according to claim 3 is characterized in that: The walking support frame (2) is connected to the driving device (3) via a connecting seat (13) on its side, and a second track (15) is provided on the lower side of the walking support frame (2), and the second track (15) contacts the upper track surface of the roller (6) of the track device (1) and matches each other in shape.

5. The novel track running device according to claim 4 is characterized in that: The driving unit in the driving device (3) is a driving motor (11), and the driving motor (11) is connected to a connecting seat (13) on the walking support frame (2); The first driving component in the driving device (3) is a gear (12) connected to the driving motor (11), and the gear (12) is meshed with the pin assembly (10) in the track device (1). The driving motor (11) drives the gear (12) to rotate, thereby achieving meshing movement between the gear (12) and the pin assembly (10), thereby driving the walking support frame (2) to move on the roller assembly (4).

6. The novel track running device according to claim 5 is characterized in that: The output shaft of the drive motor (11) extends downward to the position of the pin shaft assembly (10), and the gear (12) is mounted on the output shaft of the drive motor (11).

7. The novel track running device according to claim 5 or 6, characterized in that: The connection seat (13) is provided with a mounting hole for the drive motor (11) to pass through, and a circle of first fixing holes is provided around the mounting hole; a flange is fixedly provided on the drive motor (11), and a second fixing hole is provided on the flange at a position corresponding to the first fixing hole; fixing bolts pass through the corresponding first fixing hole and the second fixing hole to fix the drive motor (11) on the connection seat (13).

8. A crane, characterized in that: A new type of track running device comprising any one of claims 1-7.