CN210682975U

CN210682975U - Hoisting walking frame of low-altitude crane

Info

Publication number: CN210682975U
Application number: CN201920773779.9U
Authority: CN
Inventors: 翟永刚
Original assignee: Xiamen Zhongqi Crane Co ltd
Current assignee: Xiamen Zhongqi Crane Co ltd
Priority date: 2019-05-28
Filing date: 2019-05-28
Publication date: 2020-06-05
Anticipated expiration: 2029-05-28

Abstract

The utility model relates to a hoisting walking frame of a low-altitude crane, which comprises an installation frame, a walking wheel and a walking motor, wherein the walking wheel and the walking motor are fixedly assembled on the installation frame; the bottom of the walking frame is fixedly provided with a winch, a hoisting rope is wound on a reel of the winch, the inner end of the hoisting rope is fixed on the reel of the winch, the outer end of the hoisting rope is fixedly assembled on the hoisting walking frame independently of the winch, a hook of the winch is hung between the inner end and the outer end of the hoisting rope in a sliding manner through a pulley, and a space which does not interfere the vertical movement of the hook is arranged between the winch and the outer end of the hoisting rope. The lifting range of the hook of the hoisting walking frame is larger, the height dimension of the hoisting walking frame can be smaller, the hoisting walking frame can enter a smaller height dimension space to achieve the picking and placing operation of low-altitude heavy objects, the hoisting walking frame is suitable for being used under more field conditions, and the applicability is wider.

Description

Hoisting walking frame of low-altitude crane

Technical Field

The utility model relates to a hoist field especially indicates a low crane that advances sky's jack-up walking frame.

Background

As shown in fig. 3, the maximum rising position of the hook 64 of the crane walking frame of the conventional common crane can only reach the bottom surface of the winch 62, so that the lifting range of the hook 64 is limited and the use is limited; in addition, the height of the hook 64 cannot be hidden and reduced, so that the overall height of the existing hoisting travelling frame 61 is large, and the hoisting travelling frame assembled on the extension beam has a large transverse travelling space required by transverse travelling, so that the hoisting travelling frame has certain limitations in use.

Disclosure of Invention

The utility model provides a low crane that advances sky hoist's jack-up walking frame to it is limited to solve the couple ascending scope that most present jack-up walking frame exists, and whole height dimension is big, uses the problem that has the limitation.

The utility model adopts the following technical scheme:

the hoisting walking frame comprises an installation frame, and a walking wheel and a walking motor which are fixedly assembled on the installation frame, wherein the hoisting walking frame directionally moves along the length extension direction of an I-shaped beam through the walking wheel driven by the walking motor. The hoisting device is characterized in that a winch is fixedly arranged at the bottom of the hoisting walking frame, a hoisting rope is wound on a reel of the winch, the inner end of the hoisting rope is fixed on the reel of the winch, the outer end of the hoisting rope is fixedly assembled on the hoisting walking frame independently of the winch, a hook of the winch is hung between the inner end and the outer end of the hoisting rope in a sliding mode through a pulley, and a space which does not interfere the vertical movement of the hook is formed between the winch and the outer end of the hoisting rope. Preferably the height of the outer end fitting position of the hoisting line is not lower than the height of the hoisting line at the output from the hoisting machine.

From the above description of the structure of the present invention, compared with the prior art, the present invention has the following advantages: the utility model discloses a jack-up rope structure setting of jack-up walking frame makes the couple highly bigger that can go upward, and the lifting range of couple is bigger, and makes the height dimension of jack-up walking frame can reach littleer, makes it can get into the operation of getting of realizing getting of low air inlet heavy object in the less height dimension space, adapts to more site conditions and uses, and the suitability is wider.

Drawings

Fig. 1 is a schematic view of the front view structure of the crane of the present invention.

Fig. 2 is a schematic view of the overhead structure of the crane of the present invention.

Fig. 3 is a front view structural schematic diagram of a trolley in the prior art.

Detailed Description

The following describes embodiments of the present invention with reference to the drawings.

Referring to fig. 1 and 2, the low-altitude crane comprises a longitudinal main beam 1 and a cross beam 2, wherein the longitudinal main beam 1 and the cross beam 2 are respectively formed by sequentially and fixedly connecting a bottom plate 11, a connecting wall plate 12 and a top plate 13 into a whole, and the cross sections of the longitudinal main beam 1 and the cross beam 2 are I-shaped; the longitudinal main beam 1 is fixedly assembled on a support carrier (as shown in fig. 2, the support carrier is preferably a cement support column 14 standing on the ground, a metal framework 15 positioned above the longitudinal main beam 1 and the like), the transverse beam 2 is provided with a longitudinal walking frame 3, and the transverse beam 2 is assembled below the longitudinal main beam 1 in a sliding mode through the longitudinal walking frame 3.

With continued reference to fig. 1 and 2, the beam 2 is provided with an extension beam 4, the extension beam 4 is slidably mounted below the beam 2 through a transverse traveling frame 5, and the extension beam 4 is provided with a crane trolley 6 for hoisting a heavy object. As shown in fig. 2, the extension beam 4 can span the support column 14 of the construction site to expand the traveling range of the crane trolley 6 in the extension direction of the cross beam 2 by the traveling telescopic operation of the extension beam, so that the lifting area is effectively increased, the adaptability of the crane to the construction site is enhanced, and the crane has wider adaptability.

With reference to fig. 1 and 2, the trolley 6 includes a crane traveling frame 61 and a hoist 62 mounted on the crane traveling frame 61, and the crane traveling frame 61 is mounted on the extension beam 4 in a manner of being driven by a motor; a hoisting rope 63 is wound around a reel of the hoisting machine 62, an inner end of the hoisting rope 63 is fixed to the reel of the hoisting machine 62, an outer end 631 of the hoisting rope 63 is fixedly assembled to the hoisting traveling frame 61 independently of the hoisting machine 62, a hook 64 of the hoisting machine 62 is slidably hung between the inner end and the outer end of the hoisting rope 63 through a pulley, and a space which does not interfere with the up-and-down movement of the hook 64 is provided between the hoisting machine 62 and the outer end of the hoisting rope 63. The height of the outer end of the hoisting line 63 is not lower than the height of the hoisting line 63 at the output 632 of the hoist 62. This hoisting rope 63 structure of trolley 6 sets up and makes the height that couple 64 can go upward bigger to make the height dimension of jack-up walking frame 61 can reach littleer, make it can get into the operation of getting of realizing getting of low air inlet heavy object in the less height dimension space, adapt to more site conditions and use, the suitability is wider.

With continued reference to fig. 1 and 2, each of the longitudinal traveling frame 3 and the transverse traveling frame 5 includes a mounting frame 31, and traveling wheels 32, limiting wheels 33 and a traveling motor fixedly mounted on the mounting frame 31, the traveling frame (including the longitudinal traveling frame 3 and the transverse traveling frame 5) is directionally moved along the length extension direction of the base plate 11 by the traveling wheels 32 driven by the traveling motor, the limiting wheels 33 slide along the length extension direction of the connecting wall plate 12 in rolling contact, and the limiting wheels 33 are used for limiting the mounting frame 31 from shifting along the width direction of the base plate 11. Preferably, each of the mounting frames 31 is provided with four limiting wheels 33 which are oppositely distributed, and the connecting wall plate 12 is sandwiched between the two opposite limiting wheels 33. Through the configuration of spacing wheel 33 on the walking frame, make it have limiting displacement to the width direction of walking frame on the roof beam of place, effectively reduce walking wheel 32 and take place the aversion condition of width direction in the walking, and then effectively reduce the wearing and tearing probability of walking wheel 32 and bottom plate 11 lateral wall, both effectively reduce walking frame and break away from the probability for the operation of walking frame is safer, has also effectively reduced the noise of walking frame operation, noise pollution abatement.

With reference to fig. 1 and 2, the traveling wheels 32 are borderless traveling wheels 32, the traveling wheels 32 are disposed on two sides of the connecting wall plate 12 and parallel to the connecting wall plate 12, the traveling wheels 32 slide on the upper surface of the bottom plate 11 or the top plate 13, and a side wall of the traveling wheels 32 away from the connecting wall plate 12 is disposed on the inner side of the sliding surface of the traveling wheels 32. This no limit walking wheel 32's no limit structure sets up for the walking position of walking wheel 32 can avoid the edge and more be close to the connection wallboard 12 at middle part, can enough effectively avoid walking wheel 32 to the wearing and tearing at bottom plate 11 or roof 13 edge, and the noise reduction prolongs the life of walking wheel 32 and place roof beam, also can effectively reduce the probability that the walking wheel 32 drops on by the walking track, improves the factor of safety of operation.

With continued reference to fig. 1 and 2, the extension beam 4 includes an extension end 41 and a bearing end 42, and the extension beam 4 extends towards the extension end 41 in a sliding manner; the transverse traveling frame 5 is fixedly assembled between the center of the extension beam 4 and the bearing end 42, the bearing end 42 is fixedly assembled with an anti-tilting pulley 43, the anti-tilting pulley 43 slides along the bottom surface of the cross beam 2 in a rolling manner, and at least one transverse traveling frame 5 is arranged between the anti-tilting pulley 43 and the extension end 41. Preferably, the extension beam 4 has two lateral traveling frames 5, and the warp prevention pulley 43 is provided between the two lateral traveling frames 5, or the warp prevention pulley 43 is provided between the two lateral traveling frames 5 and the load bearing end 42. The situation that the bearing end 42 of the extension beam 4 is tilted upwards can be well prevented through the arrangement of the tilting prevention pulley 43, the extension beam 4 can be kept in a parallel state with the cross beam 2 better, the transverse walking frame 5 and the trolley 6 can slide along the horizontal direction, and the hoisting operation of the trolley 6 at each position on the extension beam 4 is more stable. In addition, as shown in fig. 1, the longitudinal main beam 1, the cross beam 2 and the extension beam 4 are respectively and fixedly provided with a limit block 16 at two ends of the walking track of the corresponding walking frame, and the limit blocks 16 are used for blocking and limiting the walking wheels 32 of each walking frame to prevent the walking wheels 32 from being separated from the walking track.

The above-mentioned be the utility model discloses a concrete implementation way, nevertheless the utility model discloses a design concept is not limited to this, and the ordinary use of this design is right the utility model discloses carry out immaterial change, all should belong to the act of infringement the protection scope of the utility model.

Claims

1. A hoisting walking frame of a low-altitude crane comprises an installation frame, and a walking wheel and a walking motor which are fixedly assembled on the installation frame, wherein the hoisting walking frame directionally moves along the length extension direction of an I-beam through the walking wheel driven by the walking motor; the method is characterized in that: the hoisting device is characterized in that a winch is fixedly arranged at the bottom of the hoisting walking frame, a hoisting rope is wound on a reel of the winch, the inner end of the hoisting rope is fixed on the reel of the winch, the outer end of the hoisting rope is fixedly assembled on the hoisting walking frame independently of the winch, a hook of the winch is hung between the inner end and the outer end of the hoisting rope in a sliding mode through a pulley, and a space which does not interfere the vertical movement of the hook is formed between the winch and the outer end of the hoisting rope.

2. The hoisting traveling frame of a low-altitude crane according to claim 1, wherein: the height of the assembly position of the outer end of the hoisting rope is not lower than the height of the hoisting rope at the output of the winch.