CN203667855U

CN203667855U - Crane and recycling, guiding and spacing device for abdominal type auxiliary arm and suspension arm structure of crane

Info

Publication number: CN203667855U
Application number: CN201320796974.6U
Authority: CN
Inventors: 张海燕; 赵庆利; 李小燕; 李凯
Original assignee: Xuzhou Heavy Machinery Co Ltd
Current assignee: Xuzhou Heavy Machinery Co Ltd
Priority date: 2013-12-05
Filing date: 2013-12-05
Publication date: 2014-06-25
Anticipated expiration: 2023-12-05

Abstract

The utility model relates to a crane and a recycling, guiding and spacing device for an abdominal type auxiliary arm and a suspension arm structure of the crane. The recycling, guiding and spacing device comprises an arm head guiding and spacing mechanism and an arm tail guiding and spacing mechanism, wherein the arm head guiding and spacing mechanism is arranged between a main arm and an arm head of the auxiliary arm, and used for fixing the arm head of the auxiliary arm on a side edge of the main arm; the arm tail guiding and spacing mechanism is arranged between the main arm and an arm tail of the auxiliary arm, and used for fixing the arm tail of the auxiliary arm under the main arm. According to the utility model, assembly efficiency of the auxiliary arm can be improved fast and conveniently.

Description

A kind of hoisting crane and abdomen thereof are put auxiliary and are reclaimed guide position limiter, boom structure

Technical field

The utility model relates to engineering machinery field, relates in particular to a kind of hoisting crane and abdomen thereof and puts auxiliary recovery guide position limiter, boom structure.

Background technology

Owing to being subject to crane job environmental limit and affecting, in auxiliary design process, not only to consider its reliability, safety, also to consider structure space deployment scenarios, to meet the needs in special place, long and narrow Active workings carries out operation in such as lane etc.Tradition auxiliary mostly is single-unit or two-section folding type structure, is installed in lifting owner crane arm (below all referred to as " principal arm ") side and transports with complete machine, when operation, from the side opening of principal arm, Active workings lateral space be there are certain requirements.But at long and narrow Active workings, the advantage of this side-mounted auxiliary structure is restricted to a great extent, cannot bring into play.

The auxiliary (below all referred to as " abdomen is put auxiliary ") that current abdomen is put formula structure has solved the problems referred to above, and shown in Fig. 1 is the structural representation that abdomen is put auxiliary, and shown in Fig. 2 is to have adopted abdomen to put the structural representation of the boom structure of auxiliary.As shown in Figure 1 and Figure 2, abdomen is put auxiliary 1 ' and is arranged on principal arm 2 ' below, and the arm head 11 ' that abdomen is put auxiliary 1 ' extends to the left side of principal arm 2 ', to be adapted to the operation of long and narrow place.But principal arm 2 ' and abdomen are put between auxiliary 1 ' and be mutually certain angle, this has just increased auxiliary fixing difficulty has been installed, and the efficiency of assembling of auxiliary is reduced.

Utility model content

The purpose of this utility model is that the hoisting crane and the abdomen thereof that propose a kind of quick and easy raising auxiliary efficiency of assembling are put auxiliary recovery guide position limiter, boom structure.

For achieving the above object, the utility model provides following technical scheme:

A kind of lifting ventral is put auxiliary and is reclaimed guide position limiter, comprises arm head guide and limit mechanism and arm tail guide and limit mechanism, wherein: arm head guide and limit mechanism is arranged between principal arm and the arm head of auxiliary, and for the arm head of auxiliary being fixed to the side of principal arm; Arm tail guide and limit mechanism is arranged between the arm tail of principal arm and auxiliary, for the arm tail of auxiliary being fixed to the below of principal arm.

Further, arm head guide and limit mechanism comprises arm head guide and arm head locating part, wherein: arm head guide is fixed on principal arm; Arm head locating part is fixed on auxiliary.

Further, arm head locating part comprises position-limiting tube; Position-limiting tube is to be welded on auxiliary cylindrical shell side.

Further, arm tail guide and limit mechanism comprises arm tail guide and arm tail locating part, wherein: arm tail guide is fixed on principal arm; Arm tail locating part is fixed on auxiliary.

Further, arm tail locating part comprises limiting stopper.

A kind ofly comprise that the lifting ventral in the various embodiments described above puts auxiliary and reclaim the crane arm structure of guide position limiter.

A kind of hoisting crane that comprises the crane arm structure in above-described embodiment.

Based on technique scheme, the utlity model has following advantage:

Because the utility model is provided with arm head guide and limit mechanism and arm tail guide and limit mechanism, and arm head guide and limit mechanism is arranged between principal arm and the arm head of auxiliary, for the arm head of auxiliary being fixed to the side of principal arm, also arm tail guide and limit mechanism is arranged between the arm tail of principal arm and auxiliary, for the arm tail of auxiliary being fixed to the below of principal arm, when recovery, auxiliary steel wire rope is tangled to the arm head of auxiliary, tensioning steel rope, reclaim auxiliary, when near principal arm state, by arm head guide and limit mechanism and arm tail guide and limit mechanism, arm head to auxiliary and arm tail carry out respectively spacing, before convenient, in, rear attachment point assembling, with each rigging position difference to some extent of bringing without guide position limiter in prior art, before all readjusting possibly after each recovery puts in place, in, the bolt position of rear attachment point, bring difficult shortcoming to compare to assembling, the utility model can be controlled the space of auxiliary, significantly improve the installation fixed efficiency of auxiliary.

Brief description of the drawings

Accompanying drawing described herein is used to provide further understanding of the present utility model, forms the application's a part, and schematic description and description of the present utility model is used for explaining the utility model, does not form improper restriction of the present utility model.In the accompanying drawings:

Fig. 1 is the structural representation that auxiliary is put in prior art midfield;

Fig. 2 be available technology adopting abdomen put the structural representation of the boom structure of auxiliary;

Fig. 3 is the end view of boom structure arm head provided by the utility model;

Fig. 4 is the local enlarged diagram of Fig. 3;

Fig. 5 is the end view of boom structure arm tail provided by the utility model;

Fig. 6 is the local enlarged diagram of Fig. 5;

Fig. 7 is the structural representation of boom structure provided by the utility model;

Fig. 8 is the view before auxiliary recovery in the utility model;

Fig. 9 is the removal process view of auxiliary in the utility model;

Figure 10 and Figure 11 are the local enlarged diagram of Fig. 9.

Detailed description of the invention

For object, technical scheme and advantage that the utility model is implemented are clearer, below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is further described in more detail.In the accompanying drawings, same or similar label represents same or similar element or has the element of identical or similar functions from start to finish.Described embodiment is the utility model part embodiment, instead of whole embodiment.Be exemplary below by the embodiment being described with reference to the drawings, be intended to for explaining the utility model, and can not be interpreted as restriction of the present utility model.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtaining under creative work prerequisite, all belong to the scope of the utility model protection.Below in conjunction with accompanying drawing, embodiment of the present utility model is elaborated.

In description of the present utility model, it will be appreciated that, term " " center ", " longitudinally ", " laterally ", " front ", " afterwards ", " left side ", " right side ", " vertically ", " level ", " top ", " end ", " interior ", orientation or the position relationship of instructions such as " outward " are based on orientation shown in the drawings or position relationship, only the utility model and simplified characterization for convenience of description, instead of device or the element of instruction or hint indication must have specific orientation, with specific orientation structure and operation, therefore can not be interpreted as the restriction to the utility model protection domain.

As shown in Fig. 3-Fig. 6, lifting ventral provided by the utility model is put auxiliary recovery guide position limiter and is comprised arm head guide and limit mechanism and arm tail guide and limit mechanism, wherein: arm head guide and limit mechanism is arranged between principal arm 1 and the arm head 2-1 of auxiliary 2, for the arm head 2-1 of auxiliary 2 being fixed to the side of principal arm 1.Arm tail guide and limit mechanism is arranged between the arm tail 2-2 of principal arm 1 and auxiliary 2, for the arm tail 2-2 of auxiliary 2 being fixed to the below of principal arm 1.

As a kind of implementation of arm head guide and limit mechanism, arm head guide and limit mechanism comprises arm head guide 3 and arm head locating part 4, wherein: arm head guide 3 is fixed on principal arm 1, and arm head locating part 4 is fixed on auxiliary 2.

In above-described embodiment, arm head locating part 4 comprises position-limiting tube (as shown in Fig. 3, Fig. 4 and Fig. 7), and position-limiting tube is directly welded on the cylindrical shell 2-1 side of auxiliary 2.

As arm tail guide and limit mechanism preferred implementation, arm tail guide and limit mechanism comprises arm tail guide 5 and arm tail locating part 6, and wherein: arm tail guide 5 is fixed on principal arm 1, arm tail locating part 6 is fixed on auxiliary 2.

In above-described embodiment, arm tail locating part 6 comprises limiting stopper (as shown in Fig. 5, Fig. 6 and Fig. 7), and this limiting stopper is to be directly welded on the longeron 2-2 side of auxiliary 2.

Before reclaiming auxiliary 2, first, by joint bearing pin A reach (as shown in Figure 8).Make auxiliary 2 perpendicular to the ground by back and forth hoist principal arm luffing degree and the secondary volume of conversion steel rope, now auxiliary 2 is free state, in plane of rotation just can with principal arm 1 (as shown in Figure 9) in a certain angle.Auxiliary steel wire rope is tangled to the arm head 2-1 of auxiliary 2, tensioning steel rope, reclaims auxiliary 2, when the principal arm 1, the head by arm head guide and limit mechanism and arm tail guide and limit mechanism to auxiliary 2 and afterbody carry out spacing, convenient before, in, rear attachment point assembling (as shown in figure 10).If there is no arm head guide and limit mechanism provided by the utility model and arm tail guide and limit mechanism, all difference to some extent of each rigging position, before, during and after this just causes recovery at every turn all to be readjusted possibly after putting in place, the bolt position of attachment point, brings difficulty to assembling.The utility model can be controlled the space of auxiliary 2, significantly improves the installation fixed efficiency of auxiliary 2, and the auxiliary state after recovery as shown in figure 11.

The utility model also provides a kind of crane arm structure, it lifting ventral that comprises that the various embodiments described above provide is put auxiliary and is reclaimed guide position limiter, the structure of the other parts of described crane arm structure can, referring to prior art, no longer be launched to describe at this.

The utility model also provides a kind of hoisting crane, and it comprises the crane arm structure in above-described embodiment, and the structure of the other parts of described hoisting crane can, referring to prior art, no longer be launched to describe at this.

Finally should be noted that: above embodiment is only in order to illustrate that the technical solution of the utility model is not intended to limit; Although the utility model is had been described in detail with reference to preferred embodiment, those of ordinary skill in the field are to be understood that: still can modify or part technical characterictic is equal to replacement detailed description of the invention of the present utility model; And not departing from the spirit of technical solutions of the utility model, it all should be encompassed in the middle of the technical scheme scope of the utility model request protection.

Claims

1. lifting ventral is put auxiliary and is reclaimed a guide position limiter,

It is characterized in that:

Comprise arm head guide and limit mechanism and arm tail guide and limit mechanism, wherein:

Arm head guide and limit mechanism is arranged between principal arm and the arm head of auxiliary, for the arm head of auxiliary being fixed to the side of principal arm;

Arm tail guide and limit mechanism is arranged between the arm tail of principal arm and auxiliary, for the arm tail of auxiliary being fixed to the below of principal arm.

2. lifting ventral as claimed in claim 1 is put auxiliary and is reclaimed guide position limiter,

It is characterized in that:

Arm head guide and limit mechanism comprises arm head guide and arm head locating part, wherein:

Arm head guide is fixed on principal arm;

Arm head locating part is fixed on auxiliary.

3. lifting ventral as claimed in claim 2 is put auxiliary and is reclaimed guide position limiter,

It is characterized in that:

Arm head locating part comprises position-limiting tube;

Position-limiting tube is to be welded on auxiliary cylindrical shell side.

4. lifting ventral as claimed in claim 2 is put auxiliary and is reclaimed guide position limiter,

It is characterized in that:

Arm tail guide and limit mechanism comprises arm tail guide and arm tail locating part, wherein:

Arm tail guide is fixed on principal arm;

Arm tail locating part is fixed on auxiliary.

5. lifting ventral as claimed in claim 4 is put auxiliary and is reclaimed guide position limiter,

It is characterized in that:

Arm tail locating part comprises limiting stopper.

6. one kind comprises that the lifting ventral as described in any one in claim 1-5 puts auxiliary and reclaim the crane arm structure of guide position limiter.

7. one kind comprises the hoisting crane of crane arm structure as claimed in claim 6.