CN218024917U - Telescopic protective net overhead hoist - Google Patents

Abstract

A telescopic protective net lifting device comprises a lifting frame, wherein a plurality of groups of rotatable hooks are arranged on the lower portion of the lifting frame, a sliding groove is formed in the lifting frame, two groups of telescopic frames are arranged in the sliding groove, the two groups of telescopic frames are slidably arranged on two sides of the lifting frame through the sliding groove respectively, and a plurality of groups of rotatable hooks are slidably arranged on the telescopic frames. The utility model has the advantages of it is following: 1. the lifting frame has a telescopic function, can be reasonably adjusted according to the lifting width of the protective net, and can be contracted after the lifting of the protective net is finished, so that the lifting frame is convenient to transport and store; 2. the telescopic frame is arranged on the slide way in a sliding manner through the sliding block and the T-shaped groove, so that the installation firmness of the telescopic frame and the lifting frame is increased, and the potential safety hazard is reduced; 3. through the cooperation rotatable formula couple of lifting frame, with the whole state handling of shakeouts of protection network, the construction of paving of the protection network of being convenient for avoids the protection network to pile up the problem of paving that causes.

Description

Telescopic protective net overhead hoist

Technical Field

The utility model relates to a construction equipment field, especially a telescopic protection network overhead hoist.

Background

The mountains of China are mainly concentrated in southwest areas, natural disasters such as landslide and rockfall cause great damage to people in the mountainous areas, precipitation in the southwest areas is large, main traffic roads in the mountainous areas are mountain roads, rockfall conditions are common, and traffic safety in the mountainous areas is greatly influenced. Therefore, the mountain areas in China also pay more attention to the protection work on the side slopes, and the side slopes which are easy to cause danger can be protected and constructed every year before the flood season and the rainy season come.

And for a high and steep hill slope, the safety coefficient of directly paving the protective net on the hill slope is high. In order to prevent the falling rocks, the guide wall is usually poured on the mountain side of the road, the vertical support rods are arranged on the guide wall, the suspension ropes are arranged between the adjacent support rods, and the protective net is laid on the suspension ropes for protection.

In order to play the safeguard effect, the height of bracing piece usually reaches more than 5m, and the protection network is metal protection network, and every protection network weight reaches about 5 tons, and when adopting the direct handling protection network construction of crane, the protection network is piled together, and the difficulty of paving on the suspension rope leads the wall width moreover narrower, and the construction space is limited, can only adopt artifical the paving, hang, and the degree of difficulty of paving is big, and personnel intervene highly, and the efficiency of construction is low. Therefore, how to manufacture the telescopic protective net lifting device capable of solving the problems in the prior art becomes a technical problem to be solved.

SUMMERY OF THE UTILITY MODEL

The utility model discloses just based on above-mentioned technical problem, provided a telescopic protection network overhead hoist to solve the problem that exists among the above-mentioned background art.

In view of this, the utility model provides a telescopic protection network overhead hoist, it includes: the lifting frame, the lifting frame lower part be provided with the rotatable formula couple of multiunit, the lifting frame on be provided with the spout, the spout in be provided with two sets of expansion brackets, two sets of expansion bracket respectively through spout slidable setting be in lifting frame both sides, the expansion bracket on slidable be provided with the multiunit rotatable formula couple.

Furthermore, a T-shaped groove is formed in the sliding groove, a sliding block matched with the T-shaped groove is arranged on the telescopic frame, and the telescopic frame is arranged on the sliding rail in a sliding mode through the sliding block.

Furthermore, the T-shaped grooves are four groups, the four groups of T-shaped grooves are respectively arranged at four corners in the sliding groove, and the four corners of the telescopic frame are respectively provided with the sliding blocks.

Furthermore, the rotatable hook comprises a fixed head, a fixed shaft, a fixed ball and a rotatable rotating body, wherein the fixed head, the fixed shaft, the fixed ball and the rotatable rotating body are sequentially arranged from top to bottom, and the bottom of the rotating body is provided with a hook body.

Furthermore, a ball layer is arranged between the rotating body and the fixed ball.

Furthermore, the telescopic frame and the lifting frame are respectively horizontally provided with a track, the track penetrates through the telescopic frame and the bottom of the lifting frame, and the rotatable hook is slidably arranged on the track through the fixing head.

Furthermore, the fixed head is oval, the track on be provided with the interval the multiunit with the fixed head lower part adaptation arc constant head tank.

Furthermore, the number of the arc-shaped positioning grooves is more than that of the hooks.

Furthermore, a lifting lug is arranged at the top of the lifting frame, and the lifting frame comprises an upper cross beam, a lower cross beam and a vertical frame arranged between the upper cross beam and the lower cross beam.

The utility model provides a telescopic protection network overhead hoist compares with prior art, the utility model has the advantages of it is following:

1. the lifting frame has a telescopic function and can be reasonably adjusted according to the lifting width of the protective net, and the protective net can be contracted after being lifted, so that the lifting frame is convenient to transport and store;

2. the telescopic frame is arranged on the slide way in a sliding mode through the sliding block and the T-shaped groove, so that the installation firmness of the telescopic frame and the lifting frame is increased, and potential safety hazards are reduced;

3. the lifting frame is matched with the rotatable hook to lift the whole protective net in a flat state, so that the paving construction of the protective net is facilitated, and the paving problem caused by the accumulation of the protective net is avoided;

4. the rotatable hook is convenient for hanging and disassembling the protective net, so that the labor and mechanical investment is greatly reduced, and the paving efficiency is improved;

5. the rotatable hook can be slidably arranged on the track, the distance between the hooks can be reasonably adjusted according to actual construction conditions, and the adjusted hook is limited through the arc-shaped positioning groove, so that the hook is prevented from sliding during construction;

6. the utility model has the advantages of simple overall structure, reasonable in design, the construction operation of being convenient for, it is lower to the construction space requirement, have stronger practicality.

Drawings

Fig. 1 shows a perspective view of the overall structure of the present invention;

figure 2 shows a perspective view of the top structure of the connection of the lifting frame and the telescopic frame;

FIG. 3 shows a side view of the connection structure of the T-shaped groove and the slider;

FIG. 4 shows a schematic structural view of a rotatable hanger;

in the figure: the device comprises a lifting frame 1, a sliding groove 2, a rotatable hook 3, a fixed shaft 4, a lifting lug 5, a hook body 6, a fixed ball 7, an expansion frame 8, a T-shaped groove 9, a sliding block 10, a rail 11, a positioning groove 12, a ball layer 13, a fixed head 14 and a rotator 15.

Detailed Description

In order to make the aforementioned objects, features and advantages of the present invention more clearly understood, the present invention will be described in further detail with reference to the accompanying drawings and detailed description.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and thus the scope of the present invention is not limited by the disclosure below.

The technical solution of the present invention is further explained with reference to fig. 1 to 4.

First embodiment, as shown in fig. 1 to 4: a telescopic protection network overhead hoist, it includes: lifting frame 1, lifting frame 1 lower part be provided with multiunit rotatable formula couple 3, lifting frame 1 on be provided with the spout 2 that the level runs through, but spout 2 in horizontal slip be provided with two sets of expansion bracket 8, two sets of expansion bracket 8 pass through respectively spout 2 slidable set up lifting frame 1 both sides, expansion bracket 8 on the slidable be provided with the multiunit rotatable formula couple 3.

The chute 2 is internally provided with a T-shaped groove 9, the telescopic frame 8 is provided with a slide block 10 matched with the T-shaped groove 9, and the telescopic frame 8 is arranged on the slide rail 9 in a sliding manner through the slide block 10.

T type groove 9 be four groups, four groups T type groove 9 set up respectively 2 internal four corners punishment in spout, 8 four corners punishment in expansion bracket be provided with respectively with T type groove 9 match the slider 10.

The rotatable hook 3 comprises a fixed head 14, a fixed shaft 4, a fixed ball 7 and a rotating body 15, wherein the fixed head 14, the fixed shaft 4, the fixed ball 7 and the rotating body 15 are sequentially arranged from top to bottom, the rotating body 15 is rotatably arranged on the outer surface of the fixed ball 7, and a hook body 6 is arranged at the bottom of the rotating body 15.

A ball layer 13 is arranged between the rotator 15 and the fixed ball 7.

The telescopic frame 8 and the lifting frame 1 are respectively horizontally provided with a track 11, the track 11 penetrates through the telescopic frame 8 and the bottom of the lifting frame 1, and the rotatable hook 3 is slidably arranged on the track 11 through the fixing head 14.

The fixed head 14 is oval, and a plurality of groups of arc-shaped positioning grooves 12 which are matched with the lower part of the fixed head 14 and used for limiting the rotatable hook 3 are arranged on the track 11 at intervals.

The number of the arc-shaped positioning grooves 12 is one to two more than that of the hooks 6.

Lifting lugs 5 are arranged at the top of the lifting frame 1, and the lifting frame 1 comprises an upper cross beam, a lower cross beam and a vertical frame arranged between the upper cross beam and the lower cross beam.

In the use process: the upper cross frame and the lower cross frame of the lifting frame 1 are fixedly connected through the vertical frame, so that the lifting frame 1 is firm in structure. The middle part of the top surface of the upper transverse frame is provided with a lifting lug 5, and the lifting lug 5 is connected with a lifting hook of a crane during lifting, so that the lifting operation is carried out on the lifting frame 1;

a plurality of groups of rotatable hooks 3 are arranged at the lower part of the lower transverse frame, preferably 4 groups of rotatable hooks 3 are arranged at the lower part of the lower transverse frame, and the rotatable hooks 3 are used for hanging a protective net so as to be convenient for paving the protective net;

because the weight of the protective net is heavier, the unhooking difficulty is increased greatly, wherein the hook is a rotatable hook 3, the protective net is hung on the rotatable hook 3, and the rotatable hook 3 rotates relative to the fixed ball 7 through the rotating body 15, so that the protective net is convenient to take down from the hook body 6 when being paved; a ball layer 13 is arranged between the rotating body 15 and the fixed ball 7, balls are uniformly arranged in the ball layer 13, and the ball layer 13 is arranged to reduce the friction force between the rotating body 15 and the fixed ball 7, so that the rotation is more convenient and faster; the unhooking of the protective net is facilitated, the manual intervention is reduced, and the unhooking efficiency is increased;

rotatable formula couple 3 slidable sets up on track 11, can rationally adjust rotatable formula couple 3 intervals according to actual construction conditions, and rotatable formula couple 3 after the regulation is spacing through arc positioning groove 12, and the couple produces the slip when avoiding the construction.

The both sides of the lifting frame 1 are provided with the telescopic frames 8, the telescopic frames 8 stretch out and draw back through the slide ways 2, the T-shaped grooves 9 are formed in the slide ways 2, the sliding blocks 10 on the telescopic frames 8 are matched with the slide ways 9, the telescopic frames 8 are firmly installed in the lifting frame 1, the lifting frame 1 has a telescopic function, reasonable adjustment can be carried out according to the lifting width of a protective net, the lifting frame shrinks after being completed, and the lifting frame is convenient to transport and store and has strong practicability.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the present invention, but is susceptible to various modifications and changes by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (9)

1. The utility model provides a telescopic protection network overhead hoist which characterized in that: the lifting frame, the lifting frame lower part be provided with the rotatable formula couple of multiunit, the lifting frame on be provided with the spout, the spout in be provided with two sets of expansion brackets, two sets of expansion bracket respectively through spout slidable setting be in lifting frame both sides, the expansion bracket on slidable be provided with the multiunit rotatable formula couple.

2. The telescopic protection net overhead hoist of claim 1, characterized in that: the sliding groove is internally provided with a T-shaped groove, the telescopic frame is provided with a sliding block matched with the T-shaped groove, and the telescopic frame is arranged on the sliding way in a sliding mode through the sliding block.

3. The telescopic protection net overhead hoist of claim 2, characterized in that: the T-shaped grooves are four groups, the four groups of T-shaped grooves are respectively arranged at four corners in the sliding groove, and the four corners of the expansion bracket are respectively provided with the sliding block.

4. The telescopic protection net overhead hoist of claim 3, characterized in that: the rotatable hook comprises a fixed head, a fixed shaft, a fixed ball and a rotatable hook body, wherein the fixed head, the fixed shaft, the fixed ball and the rotatable hook body are sequentially arranged from top to bottom, the outer surface of the fixed ball rotates, and the hook body is arranged at the bottom of the rotating body.

5. The telescopic protection net overhead hoist of claim 4, characterized in that: and a ball layer is arranged between the rotating body and the fixed ball.

6. The telescopic protection net overhead hoist of claim 5, characterized in that: the telescopic frame and the lifting frame are respectively horizontally provided with a track, the track penetrates through the telescopic frame and the bottom of the lifting frame, and the rotatable hook is slidably arranged on the track through the fixing head.

7. The telescopic protection net overhead hoist of claim 6, characterized in that: the fixed head is oval, the track on be provided with the multiunit at interval with the fixed head lower part adaptation arc constant head tank.

8. The retractable protection net lifting device of claim 7, characterized in that: the number of the arc-shaped positioning grooves is more than that of the hooks.

9. The retractable protection net overhead hoist of claim 8, characterized in that: the top of the lifting frame is provided with a lifting lug, and the lifting frame comprises an upper cross beam, a lower cross beam and a vertical frame arranged between the upper cross beam and the lower cross beam.

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