CN207957582U - A kind of tower crane and its arm - Google Patents

Abstract

The utility model provides a kind of tower crane and its arm, multiple wire rope handling seats arranged along brachium direction are provided on the arm, the wire rope handling seat includes at least two seat rings (1) vertical with the brachium direction of the arm, the seat ring (1) have for safety belt safety buckle by gap, projection no intersection of the gap of two adjacent seat rings (1) on the cross section of the arm in each wire rope handling seat, and the distance between two adjacent described seat rings (1) be allow the safety buckle of the safety belt by preset value.Arm provided by the utility model can make the working at height of worker more convenient and safe.

Description

A kind of tower crane and its arm

Technical field

The utility model is related to tower crane technical fields, more particularly to a kind of tower crane and its arm.

Background technology

In working at height such as tower crane arm maintenance, worker must be equipped with safety belt, in order to hang safety belt, current tower A piece safety rope of tension typically on arm is hung, the safety buckle of safety belt is suspended on safety rope, however, the safety rope tightened It is larger to the stressing influence of arm, the security risk of arm can be increased, if safety rope excessively relaxes, and arm can be drooped On truss, then truss will bring inconvenience to the movement of safety belt, increase the security risk of worker's working at height, in addition, false If worker falls, since safety rope anamorphic stretching amount is larger, worker's body will be suspended in from place distant below arm, this is not It is rescued as early as possible conducive to worker.

In conclusion how to improve tower crane, enable that worker is more convenient, safely carries out operation on arm, becomes This field technical problem urgently to be resolved hurrily.

Utility model content

In view of this, the utility model, which provides a kind of tower crane and its arm, the arm, can make the working at height of worker It is more convenient and safe.

In order to achieve the above object, the utility model provides the following technical solutions：

A kind of arm of tower crane is provided with multiple wire rope handling seats arranged along brachium direction, the wire rope handling seat on the arm Including at least two seat rings vertical with the brachium direction of the arm, there is the seat ring safety buckle for safety belt to pass through Gap, in each wire rope handling seat projection of the gap of two adjacent seat rings on the cross section of the arm do not have Intersection, and the distance between two adjacent described seat rings be allow the safety buckle of the safety belt by preset value.

Preferably, in above-mentioned arm, the preset value is 5cm~6cm.

Preferably, in above-mentioned arm, the distance between adjacent two described wire rope handling seats are 2m~3m.

Preferably, in above-mentioned arm, the shape of the seat ring is round or rectangle.

Preferably, in above-mentioned arm, the wire rope handling seat is welded to connect with the arm.

Preferably, in above-mentioned arm, safety rope on the arm passes through each seat ring, and the two of the safety rope End is fixedly connected with the arm, and the distance between two fixing points being connect with the safety rope on the arm are than the peace Small 40cm~the 50cm of length to restrict entirely.

A kind of tower crane, the arm of the tower crane are the arm as disclosed in above-mentioned any one.

According to above-mentioned technical proposal it is found that in the arm of tower crane provided by the utility model, it is provided with along brachium direction more A wire rope handling seat, wire rope handling seat include at least two seat rings, and seat ring is vertical with the brachium direction of arm, and seat ring has for safety belt Safety buckle by gap, due to projection of the gap on the cross section of arm of two adjacent seat rings in each wire rope handling seat There is no intersection, so seat ring can ensure that safety rope is always positioned in wire rope handling seat, to prevent loose safety rope from drooping Low position is thus avoided that the truss of arm causes to interfere to safety buckle along safety rope shift position, enables worker more Add and easily carries out working at height.

Due to the distance between two adjacent seat rings be allow safety belt safety buckle by preset value, so seat ring Gap and seat ring between space together constitute safety belt safety buckle can by passageway, moving peace along safety rope During full button, safety buckle can hang over safety rope always, without unbuttoning, to enable worker more safely to carry out height Idle job.

Description of the drawings

In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only It is the embodiments of the present invention, for those of ordinary skill in the art, without creative efforts, also Other attached drawings can be obtained according to the attached drawing of offer.

Fig. 1 is a kind of partial schematic diagram of the arm for tower crane that the utility model embodiment provides；

Fig. 2 is the schematic diagram of the part 1 in Fig. 1.

In figure label for：

1, seat ring；2, safety rope；3, steel pipe.

Specific implementation mode

In order to make it easy to understand, the utility model will be further described below in conjunction with the accompanying drawings.

Referring to Fig. 1 and Fig. 2, Fig. 1 is a kind of partial schematic diagram of the arm for tower crane that the utility model embodiment provides, figure 2 be the schematic diagram of the part 1 in Fig. 1.

It is provided with multiple wire rope handling seats arranged along brachium direction, wire rope handling seat packet on the arm that the utility model embodiment provides Include at least two seat rings 1 vertical with the brachium direction of arm, seat ring 1 have the safety buckle for safety belt by gap (unmarked in figure), projection no intersection of the gap of two adjacent seat rings 1 on the cross section of arm in each wire rope handling seat, And the distance between two adjacent seat rings 1 be allow safety belt safety buckle by preset value.

As seen from Figure 1, in the present embodiment, wire rope handling seat is made of two seat rings 1 being welded on the steel pipe 3 of arm, safety Rope 2 passes through seat ring 1, seat ring 1 to have gap, and the gap on two seat rings 1 is towards on the contrary, as shown in Fig. 2, in the cross section of arm On, the no intersection of projection of the gap of two seat rings 1, therefore observed with view direction shown in Fig. 2, two seat rings 1 are common A closed loop is constituted, which can ensure that safety rope 2 is always positioned in wire rope handling seat.

It is not difficult to find out by Fig. 1, the space between the gap and two seat rings 1 of two seat rings 1 together constitutes safety belt Safety buckle can by passageway, which is tortuous, by taking direction shown in Fig. 1 as an example, it is assumed that the safety buckle of safety belt is hung It on the safety rope 2 of arm, and needs to move from left to right position, then first, worker moves safety buckle simultaneously along safety rope 2 By the gap of left side seat ring 1, then safety buckle reaches the centre of two seat rings 1, then, safety buckle is gone to the right counterclockwise Safety buckle is finally moved through the gap of the right seat ring 1, such safety buckle is with regard to complete by the gap of seat ring 1 along safety rope 2 By wire rope handling seat.In the whole process, safety buckle hangs over safety rope 2 always, without unbuttoning, therefore it is safer.

Wire rope handling seat can prevent loose safety rope 2 from drooping too low position, thus be avoided that the truss pair of arm Safety buckle causes to interfere along 2 shift position of safety rope, and worker is enable more easily to carry out working at height.In addition, due to wearing Seat of restricting divides safety rope 2 for multistage, if so worker falls, then two wire rope handling seats positioned at safety buckle both sides By as the stress supporting-point of safety rope 2, therefore it is mainly between two wire rope handling seats that the part of elongation strain, which occurs, for safety rope 2 This section, this advantageously reduces the elongation strain amount of safety rope 2, distant from below arm to avoid the body of worker from being suspended in Place, create favorable conditions for being rescued as early as possible for worker.

Wire rope handling seat can prevent loose safety rope 2 from drooping too low position, therefore, in order to avoid the safety rope tightened The stress of 2 pairs of arms has an impact, and should be the safety rope 2 of arm installation relaxation.In the present embodiment, the safety rope 2 on arm Across each seat ring 1, the both ends of safety rope 2 are fixedly connected with arm, between the two fixing points being connect with safety rope 2 on arm Distance it is smaller 40cm~50cm than the length of safety rope 2.

In specific practical application, the distance between adjacent two seat rings 1 are generally 5cm~6cm, adjacent two wire rope handlings Wire rope handling seat, can be welded on arm, can also be pacified wire rope handling seat using fastener by the distance between seat generally 2m~3m It is attached on arm.

As shown in Fig. 2, in the present embodiment, the shape of seat ring 1 is circle, certainly, in other examples, seat ring 1 Shape may be rectangle.

The utility model also provides a kind of tower crane, which includes arm disclosed in above-described embodiment.Due to above-mentioned implementation Arm has above-mentioned technique effect disclosed in example, therefore the tower crane with the arm equally has above-mentioned technique effect, and exists herein This is repeated no more.

The foregoing description of the disclosed embodiments enables professional and technical personnel in the field to realize or use this practicality new Type.A variety of modifications of embodiment will be apparent to those skilled in the art, it is as defined herein General Principle can be realized in other embodiments without departing from the spirit or scope of the present utility model.Therefore, originally Utility model is not intended to be limited to embodiment illustrated herein, and is to fit to and the principles and novel features disclosed herein Consistent widest range.

Claims (7)

1. a kind of arm of tower crane, which is characterized in that be provided with multiple wire rope handling seats arranged along brachium direction, institute on the arm It includes at least two seat rings (1) vertical with the brachium direction of the arm to state wire rope handling seat, and the seat ring (1) has for safety The safety buckle of band by gap, the gap of two adjacent seat rings (1) is in the arm in each wire rope handling seat The no intersection of projection on cross section, and the distance between two adjacent described seat rings (1) are the peace for allowing the safety belt The preset value passed through is detained entirely.

2. arm according to claim 1, which is characterized in that the preset value is 5cm~6cm.

3. arm according to claim 1, which is characterized in that the distance between two adjacent described wire rope handling seats be 2m~ 3m。

4. arm according to claim 1, which is characterized in that the shape of the seat ring (1) is round or rectangle.

5. the arm according to any one of Claims 1 to 4, which is characterized in that the wire rope handling seat is welded with the arm It connects in succession.

6. arm according to claim 5, which is characterized in that the safety rope (2) on the arm passes through each seat The both ends of ring (1), the safety rope (2) are fixedly connected with the arm, two connect with the safety rope (2) on the arm The distance between a fixed point is smaller 40cm~50cm than the length of the safety rope (2).

7. a kind of tower crane, which is characterized in that the arm of the tower crane is the arm as described in any one of claim 1~6.