CN202131031U

CN202131031U - Rough terrain wheeled crane, suspension arm and steel wire rope guide device thereof

Info

Publication number: CN202131031U
Application number: CN201120240978U
Authority: CN
Inventors: 胡道权; 刘之安; 宋开宇; 张斌
Original assignee: Changsha Zoomlion Heavy Industry Science and Technology Development Co Ltd
Current assignee: Zoomlion Heavy Industry Science and Technology Co Ltd
Priority date: 2011-07-08
Filing date: 2011-07-08
Publication date: 2012-02-01
Anticipated expiration: 2021-07-08

Abstract

The utility model discloses a rough terrain wheeled crane, a suspension arm and a steel wire rope guide device of a telescopic mechanism, an oblique pulley and a steel wire rope wound on the oblique pulley are mounted at the tail part of a first-stage telescopic arm of the suspension arm, and the steel wire rope guide device comprises a guide piece and an arched guide part, wherein the guide piece comprises a first end and a second end, the guide part is arranged between the first end and the second end, the cross section of the guide part is circular or oval, and the steel wire rope penetrates through the guide part. In the guide device, the guide piece can not damage the rope when the steel wire rope is bent, and the deviation angle of the steel wire rope can be simultaneously regulated within a certain range.

Description

Rough terrain wheeled crane, arm and wire line guide thereof

Technical field

The utility model relates to a kind of wheel crane, relates in particular to the arm and the wire line guide thereof of rough terrain wheeled crane.

Background technology

Rough terrain wheeled crane is a kind of in the wheel crane; Belong to medium and small tonnage hoisting crane; At present, be in the rough terrain wheeled crane of level Four telescopic boom at some arm, the telescoping mechanism of arm is made up of telescopic oil cylinder and steel rope row; Fig. 1 shows the partial schematic diagram of the arm that has this telescoping mechanism, and Fig. 2 and Fig. 3 show the guide piece of steel rope of the telescoping mechanism of arm.As shown in Figure 1, basic arm 1, first order telescopic boom 2, second stage telescopic boom 5 and third stage telescopic boom are set-located, and are provided with oblique pulley 7 (see figure 3)s at the afterbody of first order telescopic boom 2.

The 1st grade of retraction steel rope 4 risen by second stage telescopic boom 5 afterbodys, around the oblique pulley 7 of first order telescopic boom afterbody, is connected the basic arm 1 front end outside at last.Owing between basic arm 1 and the first order telescopic boom 2 certain clearance is arranged; Therefore I level retraction steel rope 4 is progressively outward-dipping in this section process of oblique pulley 7 to the basic arm 1 front end outside of first order telescopic boom afterbody; For preventing that it breaks away from from oblique pulley 7 owing to outward-dipping; Need add briquetting 3 and guide piece 6 in oblique pulley installation site, prevent that with synergy I level retraction steel rope 4 from coming off from oblique pulley 7 through briquetting 3 and guide piece 6.

As shown in Figures 2 and 3; Traditional guide piece 6 is formed by sheet U template, is prone to hinder rope (as shown in Figure 4) at the C point, in addition; Because this sheet U template uses for fixing; Inconvenience adjustment position is prone to cause from first order telescopic boom 2 to basic arm 1 steel rope deflection angle to spend greatly, further influences rope service-life.

Therefore, provide a kind of guide piece that can prolong steel rope service life to have tangible practical significance.

The utility model content

The purpose of the utility model is to provide a kind of wire line guide of wheel crane arm, with the inconvenient problem of adjusting of steel rope and installation site that solves existing guide piece wearing and tearing telescoping mechanism.The purpose of the utility model also is to provide a kind of rough terrain wheeled crane and arm with this wire line guide.

For this reason; According to the one side of the utility model, a kind of wire line guide of wheel crane arm is provided, the afterbody of the first order telescopic boom of this arm is equipped with oblique pulley and the steel rope of winding on oblique pulley; This wire line guide comprises: guide; The steel rope guide part that has first end, second end and between first end and second end, be arch, wherein, the cross-sectional plane of guide part is circular or oval.

Further; Above-mentioned wire line guide also comprises adapter plate; Be installed in the afterbody of first order telescopic boom; Have first elongated slot and second elongated slot that parallel interval is extended, be provided with first attaching parts of adjustable positions of first end of captive joint guide in this first elongated slot, be provided with second attaching parts of adjustable positions of second end of captive joint guide in second elongated slot.

Further, first end of above-mentioned guide and second end are ringwise.

Further, first end of above-mentioned guide, guide part and second end are by round steel wire one bending forming.

Further, above-mentioned guide part is with respect to the adapter plate semicircular in shape.

According to the utility model on the other hand, a kind of rough terrain wheeled crane arm is provided, the afterbody of the first order telescopic boom of this arm be equipped with oblique pulley, winding on oblique pulley steel rope and according to top described wire line guide.

Further, the avris of above-mentioned oblique pulley also is provided with the steel rope briquetting.

The utility model also provides a kind of rough terrain wheeled crane, is provided with described rough terrain wheeled crane arm above the basis.

In the guide piece of the utility model, guide can not hindered the rope problem again at the steel rope bending part.In addition, guide is with respect to the adjustable positions of adapter plate, thereby can regulate steel rope deviation angle within the specific limits, prolongs steel rope service life.

Except top described purpose, characteristic and advantage, other purpose, characteristic and the advantage that the utlity model has are with combining accompanying drawing to do further detailed explanation.

Description of drawings

Constitute the preferred embodiment that the part of this specification sheets, the accompanying drawing that is used for further understanding the utility model show the utility model, and be used for explaining the principle of the utility model with specification sheets.Among the figure:

Fig. 1 shows the structural representation of the rough terrain wheeled crane arm that has telescoping mechanism of prior art;

Fig. 2 shows the A-A cross sectional view of arm shown in Figure 1, wherein shows oblique pulley and wire line guide;

Fig. 3 shows the enlarged diagram of the local I of Fig. 2, wherein shows the structure for amplifying of wire line guide;

Fig. 4 shows the B-B cross sectional view of Fig. 3, wherein shows the matching relationship between steel rope and the guide piece;

Fig. 5 shows the structural representation according to the rough terrain wheeled crane arm of the utility model;

Fig. 6 shows the A-A cross sectional view of telescopic boom shown in Figure 5, wherein shows oblique pulley and wire line guide;

Fig. 7 shows the enlarged diagram of the local I of Fig. 6, wherein shows the structure for amplifying of wire line guide;

Fig. 8 shows the B-B cross sectional view of Fig. 7, wherein shows the matching relationship between steel rope and the guide piece; And

Fig. 9 shows the enlarged diagram of the local I I of telescopic boom shown in Figure 5.

The specific embodiment

Embodiment to the utility model is elaborated below in conjunction with accompanying drawing, but the multitude of different ways that the utility model can be defined by the claims and cover is implemented.

Fig. 5 shows the structural representation according to the rough terrain wheeled crane arm of the utility model.As shown in Figure 5, in the arm of the utility model, the structure of guide piece 6 is improved, the steel rope so that guide piece 6 can not wear and tear, and can regulate steel rope deviation angle within the specific limits, and then prolong steel rope service life.

Fig. 6 and Fig. 7 are according to the oblique pulley of the utility model and the cooperation scheme drawing of wire line guide.Like Fig. 6 and shown in Figure 7, wire line guide 6 is positioned at a side of oblique pulley 7, and the synergy through briquetting and guide piece 6 prevents that I level retraction steel rope 4 from coming off from oblique pulley 7.

Fig. 9 shows the positive TV structure of guide piece 6 with the local I I enlarged diagram of Fig. 5.In conjunction with reference to Fig. 6 and Fig. 7 and Fig. 9, this guide piece 6 comprises: adapter plate 61 has first elongated slot 611 and second elongated slot 613 that parallel interval is extended; Guide 63; The steel rope guide part 635 that has first end 631, second end 633 and between first end 631 and second end 633, be arch with respect to adapter plate 61; Wherein, The cross-sectional plane of guide part 635 is circular, is provided with second attaching parts 67 that is provided with second end 633 of captive joint guide 63 in first attaching parts, 65, the second elongated slots 613 of first end 631 of captive joint guide 63 in first elongated slot 611.

As shown in Figure 9 again; First end 631 of the guide 63 of wire line guide and second end 633 are preferably ringwise; Be used to form the mount pad of first attaching parts 65 and second attaching parts 67; This first attaching parts 65 and second attaching parts 67 can be spiro connecting pieces, and this first attaching parts 65 and second attaching parts 67 are adjustable in the position of fixing edge first elongated slot before and second elongated slot, so that guide 63 can be adjusted with respect to the position of oblique pulley 7.

First end 631 of guide 63, guide part 635 and second end 633 are preferably by the steel wire one bending formings of round section.The cross section that is appreciated that guide 63 also can be ellipse.First end 631 and second end 633 are bent into circular, and guide part 635 preferably is bent into semicircle.

As shown in Figure 8, behind the guide piece of employing the utility model, the guide of round section can not hindered the rope problem again at the steel rope bending part.In addition, guide 63 is with respect to the adjustable positions of adapter plate 61, can be along the bearing of trend sway of first elongated slot and second elongated slot, thus can regulate steel rope deviation angle within the specific limits, prolong steel rope service life.

More than be merely the preferred embodiment of the utility model, be not limited to the utility model, for a person skilled in the art, the utility model can have various changes and variation.All within the spirit and principle of the utility model, any modification of being done, be equal to replacement, improvement etc., all should be included within the protection domain of the utility model.

Description of reference numerals

1 basic arm, 2 first order telescopic booms

3 briquettings, 4 I levels retraction steel rope

5 second stage telescopic booms, 6 guide piecees

7 oblique pulley 61 adapter plates

63 guides, 611 first elongated slots

613 second elongated slots, 631 first ends

633 second ends, 635 guide parts

65 first attaching partss, 67 second attaching partss.

Claims

1. the wire line guide of a wheel crane arm, the afterbody of the first order telescopic boom of said arm is equipped with oblique pulley and the steel rope of winding on said oblique pulley, it is characterized in that said wire line guide comprises:

Guide, the steel rope guide part that has first end, second end and between said first end and second end, be arch, wherein, the cross-sectional plane of said guide part is circular or oval.

2. the wire line guide of wheel crane arm according to claim 1 is characterized in that, also comprises:

Adapter plate is installed in the afterbody of said first order telescopic boom, has first elongated slot and second elongated slot that parallel interval is extended,

Wherein, be provided with first attaching parts of adjustable positions of first end of the said guide of captive joint in said first elongated slot, be provided with second attaching parts of adjustable positions of second end of the said guide of captive joint in said second elongated slot.

3. the wire line guide of wheel crane arm according to claim 2 is characterized in that, first end of said guide and second end are ringwise.

4. the wire line guide of wheel crane arm according to claim 2 is characterized in that, first end of said guide, guide part and second end are by round steel wire one bending forming.

5. the wire line guide of wheel crane arm according to claim 2 is characterized in that, said guide part is semicircle.

6. a rough terrain wheeled crane arm is characterized in that, the afterbody of the first order telescopic boom of said arm be equipped with oblique pulley, winding on said oblique pulley steel rope and according to each described wire line guide in the claim 1 to 5.

7. rough terrain wheeled crane arm according to claim 6 is characterized in that the avris of said oblique pulley also is provided with the steel rope briquetting.

8. a rough terrain wheeled crane is characterized in that, is provided with according to claim 6 or 7 described rough terrain wheeled crane arms.