CN214326968U

CN214326968U - Balancing weight subassembly and tower crane

Info

Publication number: CN214326968U
Application number: CN202022914498.6U
Authority: CN
Inventors: 俞鸿斌; 兰建峰; 洪锋
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-12-08
Filing date: 2020-12-08
Publication date: 2021-10-01
Anticipated expiration: 2030-12-08

Abstract

The utility model discloses a balancing weight subassembly and tower crane, wherein the balancing weight subassembly includes: have the counter weight hole and along the balance arm that the fore-and-aft direction extends, locate the combination of a plurality of balancing weights in the counter weight hole of this balance arm, locate and be equipped with spacing bolt on gag lever post and the gag lever post on this balance arm, guaranteed the stability of tower crane and the security of work through the aforesaid sets up to stop gear convenient to detach, installation and adjustment are safer and convenient.

Description

Balancing weight subassembly and tower crane

Technical Field

The utility model relates to a construction machinery, concretely relates to balancing weight subassembly and have tower crane of this balancing weight subassembly.

Background

The tower crane that the building industry used, its counter weight mounting structure includes balance arm, balancing weight, and angle steel frame concrete piece is adopted mostly to current tower crane balancing weight, and each balancing weight is located in the counter weight mounting hole of balance arm to hang on two support beams of balance arm through the round pin axle that the balancing weight both sides were pegged graft. There is the clearance between each balancing weight of this kind of mounting structure, in the tower crane working process, produces friction easily, swing collision even, especially plays the hook and when unloading the hook the big arm of tower crane inertia that produces in the twinkling of an eye leads to the balancing weight to receive inertia effect and sways along the balance arm front and back, not only can make tower crane overall structure take place the horizontally and rock, influences the stability of tower crane, still can make balancing weight itself damage, the little stone that damages the drop falls from the high altitude, danger is very big.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a balancing weight subassembly to solve the tower crane in the work that exists among the prior art, the balancing weight produces friction, swing, collision easily, influences the problem of tower crane overall stability and operation safety, simultaneously, the utility model discloses still provide the tower crane that has this balancing weight subassembly.

In order to solve the above problem, the utility model discloses a balancing weight subassembly, including having the balance weight hole and along the balance arm that the fore-and-aft direction extends, locate the combination of a plurality of balancing weights in the balance weight hole of this balance arm, locate and be equipped with spacing bolt on gag lever post and the gag lever post on this balance arm.

The left side and the right side of the balance arm are provided with support beams which are arranged in parallel, the left side wall and the right side wall of each balancing weight block are provided with lap joint parts which are in lap joint with the support beams, and the support beams are provided with supporting parts which are in lap joint with the corresponding lap joint parts.

The limiting rods are arranged on the supporting beams on the left side and the right side of the balance arm and along the front end and the rear end of the whole body of the plurality of balancing weights, each limiting rod is provided with a screw hole, and a limiting bolt is arranged in each screw hole. The limiting bolt is used for limiting and adjusting the balancing weight, and the balancing weight is fixed under the action of the bolt force along with the screwing in of the bolt. The limiting rod is of a channel steel structure, the opening of the channel steel is far away from one side of the balancing weight, and the channel steel is welded with the balancing arm in a fixing mode.

The utility model provides a tower crane, includes the base, installs the body of the tower on the base, locates davit and counterweight block subassembly on the body of the tower, wherein, counterweight block subassembly is equipped with spacing bolt including having the balance arm that the weight port just extends along the fore-and-aft direction, locating the combination of a plurality of balancing weights in the weight port of this balance arm, locating gag lever post and the gag lever post on this balance arm. The left side and the right side of the balance arm are provided with support beams which are arranged in parallel, the left side wall and the right side wall of each balancing weight block are provided with lap joint parts which are in lap joint with the support beams, and the support beams are provided with supporting parts which are in lap joint with the corresponding lap joint parts. The limiting rods are arranged on the supporting beams on the left side and the right side of the balance arm and along the front end and the rear end of the whole body of the plurality of balancing weights, each limiting rod is provided with a screw hole, and a limiting bolt is arranged in each screw hole. The limiting bolt is used for limiting and adjusting the balancing weight, and the balancing weight is fixed under the action of the bolt force along with the screwing in of the bolt. The limiting rod is of a channel steel structure, the opening of the channel steel is far away from one side of the balancing weight, and the channel steel is welded with the balancing arm in a fixing mode.

The utility model discloses a balancing weight subassembly with the balancing weight overlap joint back on to the balance arm, make the balancing weight whole have had stop gear along the front and back of balance arm, at the tower crane during operation, can not take place to sway, rock, guaranteed the stability of tower crane and the security of work. And the limiting mechanisms are arranged above the balance arm, and the limiting bolts on the limiting rods can be conveniently detached, installed and adjusted through the matching workbench, so that the safety of workers is guaranteed, and the operation is more convenient.

Drawings

Fig. 1 is a front view of a weight block assembly according to embodiment 1 of the present invention.

Fig. 2 is a schematic view of a stopper rod and a stopper bolt.

Fig. 3 is a front view of a weight block assembly according to embodiment 3 of the present invention.

Figure 4 is the embodiment of the utility model provides an in the tower crane structure schematic diagram.

Detailed Description

Example 1: as shown in fig. 1, a counterweight assembly includes a balance arm 1 having a weight hole and extending in a front-back direction, a combination 2 of a plurality of counterweights disposed in the weight hole of the balance arm, a limit rod 3 disposed on the balance arm, and a limit bolt 4 disposed on the limit rod.

The left side and the right side of the balance arm are provided with support beams which are arranged in parallel, the left side wall and the right side wall of each balancing weight block are provided with lapping parts which are in lapping fit with the support beams, and the support beams are provided with supporting parts (not shown in the figure) which are in lapping fit with the corresponding lapping parts.

The gag lever post 3 of 4 channel-section steel structures is located on the supporting beam of the left and right sides of balance arm 1 respectively along holistic front end and rear end of balancing weight, only shows two gag lever posts around the balancing weight on the supporting beam of left side in figure 1. Each channel steel 3 is provided with a screw hole, and as shown in fig. 1 and 2, a limit bolt 4 is arranged in the screw hole. The channel-section steel opening is to keeping away from balancing weight one side, and the fixed mode of channel-section steel on the balance arm is the welding. The channel steel is preferably 8# channel steel, preferably made of Q235B, and the height range of the channel steel is 300-1000 mm. Further preferably, the height of the channel steel is flush with or higher than the top of the balancing weight. The M24 limit bolt is used for the spacing regulation of balancing weight, receives the effect of bolt power to be fixed along with the screw in balancing weight of bolt.

Like this, make the balancing weight whole have all had stop gear along the front and back of balance arm, at the tower crane during operation, gag lever post and spacing bolt cooperation work make the balancing weight can not take place to sway, rock, have guaranteed the stability of tower crane and the security of work. And the limiting mechanisms are arranged above the balance arm, and the limiting bolts on the limiting rods can be conveniently detached, installed and adjusted through the matching workbench, so that the safety of workers is guaranteed, and the operation is more convenient.

Example 2: different from the embodiment 1, the triangular wedge is inserted at the top of the gap adjacent to each balancing weight to prevent the balancing weights from shaking.

Example 3: different from the embodiment 1, each channel steel 3 is provided with two screw holes, and as shown in fig. 2 and fig. 3, a limiting bolt 4 is arranged in each screw hole.

Example 4: a tower crane is shown in figure 4 and comprises a base 5, a tower body 6 arranged on the base, a suspension arm 7 arranged on the tower body 6 and a counterweight block assembly 8, wherein the counterweight block assembly 8 is structurally arranged according to embodiments 1-3.

In summary, the above embodiments have described in detail different configurations of a tower crane wall attachment device, and it should be understood that the above description is only a description of the preferred embodiments of the present invention, and is not intended to limit the scope of the present invention in any way.

Claims

1. The utility model provides a balancing weight subassembly, its characterized in that, including the balance arm that has the weight port and extend along the fore-and-aft direction, locate the combination of a plurality of balancing weights in the weight port of this balance arm, locate the gag lever post on this balance arm and with gag lever post assorted stop bolt, the gag lever post is located on the left side of balance arm and the right both sides supporting beam along holistic front end and the rear end of a plurality of balancing weights, all is equipped with the screw on every gag lever post, is equipped with stop bolt in the screw.

2. The counterweight assembly of claim 1 wherein said balance arms are flanked on each of said left and right sides by side support beams, each of said counterweights having overlapping portions on each of said left and right sides for overlapping engagement with a support beam, said support beams having support portions for overlapping engagement with respective ones of said overlapping portions.

3. The counterweight assembly of claim 1 wherein said number of stop rods is 4.

4. The assembly of claim 1, wherein the stop is a channel, the channel opening facing away from the weight.

5. The counterweight assembly of claim 1 wherein said number of said threaded holes and said retaining bolts is one or more.

6. The counterweight assembly of claim 1 wherein said bolt is further provided with a plurality of nuts for tightening.

7. The assembly of any one of claims 1-4, wherein adjacent gaps between the weights in the combination of the plurality of weights are fixed by triangular wedges.

8. The weight stack assembly of claim 7, wherein the triangular wedge is made of wood or rubber.