CN112496652A

CN112496652A - Crane boom overturning tool

Info

Publication number: CN112496652A
Application number: CN201910871068.XA
Authority: CN
Inventors: 王俊杰; 明良政; 赵源民; 谭彪; 彭磊
Original assignee: Hunan Zhonglian Zhongke Construction Hoisting Machinery Co ltd; Zoomlion Heavy Industry Science and Technology Co Ltd
Current assignee: Hunan Zhonglian Zhongke Construction Hoisting Machinery Co ltd; Zoomlion Heavy Industry Science and Technology Co Ltd
Priority date: 2019-09-16
Filing date: 2019-09-16
Publication date: 2021-03-16

Abstract

The invention relates to the field of crane boom machining equipment and discloses a crane boom overturning tool, wherein the crane boom overturning tool comprises a base part (8), a support frame (6) arranged on the base part (8) and a torque output piece, the support frame (6) can support and fix a crane boom (10), and the torque output piece is in transmission connection with the support frame (6) and can drive the support frame (6) to rotate around a horizontal axis relative to the base part (8). Through above-mentioned technical scheme, use moment of torsion output spare to drive the support frame upset rotation that supports the jib loading boom to can keep it in required position, do not need extra driving to realize the upset frock, be convenient for weld and relevant operation to the jib loading boom, improve the convenience of upset frock.

Description

Crane boom overturning tool

Technical Field

The invention relates to crane boom processing equipment, in particular to a crane boom overturning tool.

Background

In order to realize the operation processes such as welding of the crane jib arm section, the crane jib arm section needs to be supported on the tool, the tool is required to be capable of overturning within a certain angle range, and the all-dimensional and multi-angle related operation of the arm section is facilitated.

The existing crane boom overturning tool roughly comprises a base and a support which is rotatably installed on the base, the crane boom is flatly placed on the support, the overturning of the crane boom is realized by rotating the support, the rotation of the support needs to be realized by matching with a travelling crane, and the difficulty and the complexity of the operation are undoubtedly increased.

Disclosure of Invention

The invention aims to provide a crane boom overturning tool to solve the problem that a crane is required to assist in overturning operation.

In order to achieve the above object, the present invention provides a boom overturning tool, wherein the boom overturning tool comprises a base portion, a support frame arranged on the base portion, and a torque output member, the support frame can support and fix a boom, and the torque output member is in transmission connection with the support frame and can drive the support frame to rotate around a horizontal axis relative to the base portion.

Optionally, the base part is provided with a support shaft capable of rotating around the horizontal axis, and the support shaft is in transmission connection with the torque output piece and the support frame.

Optionally, the torque output member includes a motor and a speed reducer, and the speed reducer is connected to the support frame in a transmission manner.

Optionally, an output shaft of the speed reducer is connected to the support shaft through a drive pipe in a transmission manner, a spline hole is formed in one end of the drive pipe, and the output shaft is inserted into the spline hole.

Alternatively, the other end of the driving pipe is provided with a circular hole, the supporting shaft is inserted into the circular hole, and the supporting shaft and the driving pipe are connected by a pin shaft passing through the driving pipe and the supporting shaft in a radial direction.

Optionally, the inner diameter of the circular hole is 2mm-5mm larger than the outer diameter of the support shaft.

Optionally, the support frame comprises a vertical part and a horizontal part, the support shaft is connected to the vertical part, at least one set of limiting blocks is arranged on the horizontal part, each set of limiting blocks comprises two limiting blocks which are transversely spaced, and each set of limiting blocks can limit the transverse movement of the crane boom between the two limiting blocks.

Optionally, one end of the support shaft close to the support frame is connected with a flange plate, and the flange plate is connected with the vertical part through bolts.

Optionally, in each set of the limiting blocks, a screwed block extending towards the other limiting block is arranged at the top of each limiting block, a screw rod extending in the vertical direction is screwed on the screwed block, and the screw rod can be pressed against the lower main chord of the crane boom.

Optionally, the base part is provided with two support frames and two support shafts respectively connected to the two support frames, the two support frames can respectively support two ends of the crane boom, and the torque output member is only in transmission connection with one of the support shafts.

Through above-mentioned technical scheme, use moment of torsion output spare to drive the support frame upset rotation that supports the jib loading boom to can keep it in required position, do not need extra driving to realize the upset frock, be convenient for weld and relevant operation to the jib loading boom, improve the convenience of upset frock.

Additional features and advantages of the invention will be set forth in the detailed description which follows.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:

fig. 1 is a schematic structural view of a boom overturning tool according to an embodiment of the invention;

FIG. 2 is a schematic view of the structure of the driving tube and the supporting shaft according to the embodiment of the present invention;

FIG. 3 is a schematic structural diagram of a support frame and a support shaft according to an embodiment of the present invention;

fig. 4 is a schematic structural diagram of a support frame and a boom according to an embodiment of the present invention.

Description of the reference numerals

1 electric machine 2 drive tube

3 support shaft 4 flange plate

5 speed reducer 6 support frame

7 screw 8 base part

9-pin-shaft 10-crane boom

21 spline hole 22 circular hole

61 vertical part 62 horizontal part

63 limiting block 64 bolt joint block

Detailed Description

The following detailed description of embodiments of the invention refers to the accompanying drawings. It should be understood that the detailed description and specific examples, while indicating the present invention, are given by way of illustration and explanation only, not limitation.

In the present invention, the use of the directional words such as "upper and lower" generally means up and down in the vertical direction without being described to the contrary.

The invention provides a cargo boom overturning tool which comprises a base part 8, a support frame 6 arranged on the base part 8 and a torque output piece, wherein the support frame 6 can support and fix a cargo boom 10, and the torque output piece is in transmission connection with the support frame 6 and can drive the support frame 6 to rotate around a horizontal axis relative to the base part 8.

As shown in fig. 1, the boom 10 to be welded may be disposed on the support frame 6, the support frame 6 may be rotatably disposed on the base portion 8, the rotation of which is rotation around a horizontal axis, and the support frame 6 is driven to rotate by the torque output member, so as to drive the boom 10 on the support frame 6 to rotate around the horizontal axis, thereby satisfying the welding requirement.

Through the torque output piece, can drive support frame 6 upset rotation to the jib loading boom 10 upset rotation on the drive does not need extra driving to carry out the upset operation, the implementation of the welding operation of being more convenient for, especially can carry out 360 degrees within ranges upset to support frame 6, can carry out omnidirectional welding and other operations to the jib loading boom.

In addition, the base part 8 is provided with a supporting shaft 3 capable of rotating around the horizontal axis, and the supporting shaft 3 is in transmission connection with the torque output piece and the supporting frame 6. The support shaft 3 extends along and is rotatable about the horizontal axis, and may be mounted on the base portion 8, for example, by means of a bearing member. The transmission of the supporting shaft 3 is connected with the torque output piece and the supporting frame 6, so that the supporting frame 6 is driven to rotate in a turnover mode around a horizontal axis through the torque output piece.

Optionally, the torque output element comprises a motor 1 and a speed reducer 5, and the speed reducer 5 is in transmission connection with the support frame 6. The rotational speed of the output of motor 1 is great relatively, consequently, connects in the output of motor 1 through speed reducer 5 to can reduce the rotational speed, match the upset speed of support frame 6. In other embodiments, the torque output may include a hydraulic motor and a speed reducer.

Further, an output shaft of the speed reducer 5 is in transmission connection with the support shaft 3 through a drive pipe 2, a spline hole 21 is formed in one end of the drive pipe 2, and the output shaft is inserted into the spline hole 21. An output shaft of the speed reducer 5 is a torque output end and is in transmission connection with the support shaft 3 through the driving pipe 2, wherein, as shown in fig. 2, a spline hole 21 is formed on an end surface of the driving pipe 2 facing the speed reducer 5, the shape of the output shaft corresponds to the spline hole 21, and the output shaft is inserted into the spline hole 21, so that the driving pipe 2 can be driven to rotate.

In addition, as shown in fig. 2, the other end of the driving pipe 2 is provided with a circular hole 22, the supporting shaft 3 is inserted into the circular hole 22, and the supporting shaft 3 and the driving pipe 2 are connected by a pin shaft 9 passing through the driving pipe 2 and the supporting shaft 3 in a radial direction. A circular hole 22 is provided on an end surface of the driving tube 2 facing the supporting shaft 3, the supporting shaft 3 is inserted into the circular hole 22, and a pin shaft 9 penetrates the supporting shaft 3 and the driving tube 2 in a radial direction to connect the supporting shaft 3 and the driving tube 2, allowing the driving tube 2 to transmit torque to the supporting shaft 3. The supporting shaft 3 and the driving pipe 2 are provided with radial through holes for allowing the pin shaft 9 to pass through.

Alternatively, the inner diameter of the circular hole 22 is 2mm to 5mm larger than the outer diameter of the support shaft 3. That is, there is a large gap between the support shaft 3 and the circular hole 22, allowing a large error therebetween, and after the connection of the two using the pin shaft 9, the central axes of the support shaft 3 and the circular hole 22 coincide with each other by a small radial offset therebetween, so that torque is stably transmitted. That is, by adding the driving pipe 2, it is possible to allow a small range of decentration between the output shaft of the speed reducer 5 and the supporting shaft 3, allow a certain deviation of the central axes of the two, and improve the usability of the apparatus.

Specifically, the support frame 6 comprises a vertical part 61 and a horizontal part 62, the support shaft 3 is connected to the vertical part 61, at least one set of limiting blocks 63 is arranged on the horizontal part 62, each set comprises two limiting blocks 63 which are transversely spaced, and each set of limiting blocks 63 can limit the transverse movement of the crane arm 10 which is positioned between the two limiting blocks 63. Referring to fig. 3 and 4, the support frame 6 includes a vertical portion 61 and a horizontal portion 62, the vertical portion 61 can be connected to the support shaft 3, the support frame 6 is driven to rotate by the support shaft 3, the horizontal portion 62 can be used for placing the lift arm 10, and at least one set of limiting blocks 63 is disposed on the horizontal portion 62, each set of limiting blocks 63 includes two limiting blocks 63 spaced laterally, and can clamp the lift arm 10 on the horizontal portion 62 to limit the lift arm 10 from moving laterally, so as to maintain the stability of the lift arm 10.

In addition, one end of the support shaft 3 close to the support frame 6 is connected with a flange plate 4, and the flange plate 4 is connected with the vertical part 61 through bolts. The support shaft 3 may be welded to the flange plate 4, and the flange plate 4 is attached to the vertical portion 61 and detachably connected by bolts.

In addition, in each set of the limiting blocks 63, a screwed block 64 extending towards the other limiting block 63 is arranged at the top of each limiting block 63, a screw rod 7 extending in the vertical direction is screwed on the screwed block 64, and the screw rod 7 can be pressed on the lower main chord of the crane boom 10. In each set of two laterally spaced stopper blocks 63, a screw block 64 extending toward the other stopper block 63 is provided at the top of each stopper block 63, the screw block 64 protrudes laterally with respect to the stopper block 63, a screw rod 7 is screwed to the protruding portion thereof, the screw rod 7 extends in the vertical direction with the horizontal portion 62 parallel to the horizontal plane, and the height thereof with respect to the horizontal portion 62 can be adjusted by rotating the screw rod 7, so that it can be pressed against the lower main chord of the jib 10 or released therefrom. The jib 10 can be stably arranged on the support frame 6 by combining the transverse limit of the limit block 63, the limit of the screw 7 in the direction perpendicular to the horizontal part 62 and the limit of the horizontal part 62 to the jib 10 along the length direction.

Alternatively, the base part 8 is provided with two support frames 6 and two support shafts 3 respectively connected to the two support frames 6, the two support frames 6 can respectively support two ends of a lifting arm 10, and the torque output member is only in transmission connection with one of the support shafts 3. The horizontal portions 62 of the two support frames 6 are separated from each other, the two vertical portions 61 are also separated from each other, so that material can be saved, the distance between the two vertical portions 61 is approximately equal to the length of the crane boom 10, the crane boom 10 can be clamped, the displacement of the crane boom in the length direction is limited, the two support frames 6 are respectively supported on the base portion 8 through the two support shafts 3, the base portion 8 can ensure that the two support shafts 3 are basically coaxial, and the torque output member can drive only one support shaft 3 and the other one is used as a driven shaft. In other embodiments, the support frame 6 may be provided in an integrated manner, for example, including a horizontal portion 62 substantially corresponding to the length of the boom 10 and vertical portions 61 connected to both ends of the horizontal portion 62, and the two vertical portions 61 are supported on the base portion 8 by the support shafts 3, respectively.

The preferred embodiments of the present invention have been described in detail with reference to the accompanying drawings, however, the present invention is not limited to the specific details of the above embodiments, and various simple modifications can be made to the technical solution of the present invention within the technical idea of the present invention, and these simple modifications are within the protective scope of the present invention.

It should be noted that the various technical features described in the above embodiments can be combined in any suitable manner without contradiction, and the invention is not described in any way for the possible combinations in order to avoid unnecessary repetition.

In addition, any combination of the various embodiments of the present invention is also possible, and the same should be considered as the disclosure of the present invention as long as it does not depart from the spirit of the present invention.

Claims

1. A cargo boom overturning tool is characterized by comprising a base part (8), a support frame (6) arranged on the base part (8) and a torque output piece, wherein the support frame (6) can support and fix a cargo boom (10), and the torque output piece is in transmission connection with the support frame (6) and can drive the support frame (6) to rotate around a horizontal axis relative to the base part (8).

2. The boom overturning tooling according to claim 1, wherein a support shaft (3) capable of rotating around the horizontal axis is arranged on the base part (8), and the support shaft (3) is in transmission connection with the torque output member and the support frame (6).

3. The boom overturning tool according to claim 2, wherein the torque output part comprises a motor (1) and a speed reducer (5), and the speed reducer (5) is in transmission connection with the support frame (6).

4. The boom overturning tool according to claim 3, wherein an output shaft of the speed reducer (5) is in transmission connection with the support shaft (3) through a drive pipe (2), a spline hole (21) is formed in one end of the drive pipe (2), and the output shaft is inserted into the spline hole (21).

5. The boom overturning tool according to claim 4, wherein the other end of the driving tube (2) is provided with a circular hole (22), the supporting shaft (3) is inserted into the circular hole (22), and the supporting shaft (3) and the driving tube (2) are connected through a pin shaft (9) penetrating through the driving tube (2) and the supporting shaft (3) in the radial direction.

6. The boom overturning tool according to claim 5, wherein the inner diameter of the circular hole (22) is 2mm-5mm larger than the outer diameter of the support shaft (3).

7. The boom overturning tool according to claim 1, wherein the support frame (6) comprises a vertical part (61) and a horizontal part (62), the support shaft (3) is connected to the vertical part (61), at least one set of limiting blocks (63) is arranged on the horizontal part (62), each set comprises two limiting blocks (63) which are transversely spaced, and each set of limiting blocks (63) can limit the boom (10) between the two limiting blocks to move transversely.

8. The boom overturning tool according to claim 7, wherein a flange plate (4) is connected to one end of the support shaft (3) close to the support frame (6), and the flange plate (4) is in bolted connection with the vertical part (61).

9. The boom overturning tool according to claim 8, wherein in each group of the limiting blocks (63), a screw joint block (64) extending towards the other limiting block (63) is arranged at the top of each limiting block (63), a screw rod (7) extending in the vertical direction is screwed on the screw joint block (64), and the screw rod (7) can be pressed on a lower main chord of the boom (10).

10. The boom overturning tool according to claim 1, wherein the base part (8) is provided with two support frames (6) and two support shafts (3) respectively connected to the two support frames (6), the two support frames (6) can respectively support two ends of the boom (10), and the torque output part is only in transmission connection with one of the support shafts (3).