CN219582049U

CN219582049U - Variable welding tool for crane boom

Info

Publication number: CN219582049U
Application number: CN202320665984.XU
Authority: CN
Inventors: 沈国忠; 屠家斌
Original assignee: Zhejiang Deqing Huayang Technology Co ltd
Current assignee: Zhejiang Deqing Huayang Technology Co ltd
Priority date: 2023-03-30
Filing date: 2023-03-30
Publication date: 2023-08-25
Anticipated expiration: 2033-03-30

Abstract

The utility model provides a variable welding tool for a crane arm, which comprises a bottom frame, wherein a left upright post and a right upright post are symmetrically arranged at the left end and the right end of the bottom frame respectively, an upper chord left joint seat and an upper chord right joint seat are symmetrically arranged at the upper ends of the inner sides of the left upright post and the right upright post respectively, the left upright post and the right upright post are arranged on the bottom frame through respective corresponding first connecting pieces, and a plurality of lower chord supporting seats are sequentially arranged on the bottom frame from left to right. The beneficial effects of the utility model are as follows: the position of a plurality of lower chord supporting seats can be adjusted according to the specification of the crane arm unit, the positions are preset, the lower chord supporting seats can be directly fixed in place during use, the investment of cost is effectively reduced, the operation is convenient, and the adjustment is convenient.

Description

Variable welding tool for crane boom

Technical Field

The utility model belongs to the technical field of welding crane boom equipment, and particularly relates to a variable welding tool for a crane boom.

Background

The whole crane boom of the tower crane consists of a plurality of sections of crane boom units, and the specifications of all the crane boom units are not the same, wherein the specifications close to a cab are larger, and the specifications of the far end are smaller; therefore, in the production and welding process, a plurality of sets of clamps with different specifications are needed to meet the production requirement of the whole crane arm, and the production process is labor-consuming and high in input cost.

Disclosure of Invention

The utility model aims to provide a variable welding tool for a crane arm, which can be suitable for crane arm units with different specifications, is convenient to adjust and use, reduces cost investment, and is particularly suitable for being used in the welding process of a crane arm of a tower crane.

The technical scheme of the utility model is as follows: the variable welding tool for the crane arm comprises a bottom frame, wherein the left and right ends of the bottom frame are respectively and symmetrically provided with a left upright post and a right upright post, the upper ends of the inner sides of the left upright post and the right upright post are respectively and symmetrically provided with an upper chord left joint seat and an upper chord right joint seat,

the left upright post and the right upright post are arranged on the underframe through the first connecting pieces which are respectively corresponding, the underframe is also provided with a first middle upright post and a second middle upright post through the first connecting pieces which are respectively corresponding, the first middle upright post and the second middle upright post have the same structure as the left upright post, the inner sides of the first middle upright post and the second middle upright post are respectively provided with a left chord joint seat,

a plurality of lower chord supporting seats are sequentially arranged on the underframe from left to right, the lower chord supporting seats are arranged on the underframe through respective corresponding second connecting pieces, the second connecting pieces comprise second hexagonal head bolts and second spring washers, third holes are arranged at the lower ends of the lower chord supporting seats, fourth holes corresponding to the third holes are arranged on the underframe, the second hexagonal head bolts penetrate through the second spring washers and the third holes and are fixed in the fourth holes,

the lower chord left connecting seat is arranged between the first middle upright post and the nearest lower chord supporting seat, the lower chord left connecting seat is arranged on the underframe through a second connecting piece corresponding to the lower chord left connecting seat, and a lower chord right connecting seat is arranged on the underframe, close to the right upright post, through a corresponding second connecting piece.

Preferably, the first connecting piece include first hexagon head bolt, first spring washer, be equipped with first hole on the connecting seat of stand lower extreme, be equipped with on the chassis with the corresponding second hole in first hole, first hexagon head bolt passes first spring washer, first hole and fixes in the second hole.

Preferably, a plurality of lower chord rod jacking rods are further arranged on the underframe, and jacking plates are arranged at the upper ends of the lower chord rod jacking rods.

Preferably, a plurality of groups of two lower chord supporting seats which are arranged close to each other are arranged on the underframe.

The utility model has the advantages and positive effects that: by adopting the technical scheme, the positions of the plurality of lower chord support seats can be adjusted according to the specification of the crane arm unit, the positions are preset, the crane arm unit is directly fixed in place during use, the investment of cost is effectively reduced, the operation is convenient, and the adjustment is convenient.

Drawings

Fig. 1 is a schematic structural view of the present utility model.

Fig. 2 is a top view of the present utility model.

In the figure:

1. underframe 2, left upright 3 and right upright

4. Upper chord left joint seat 5, upper chord right joint seat 6 and first hexagon head bolt

7. First center pillar 8, second center pillar 9, lower chord support seat

10. Second connecting piece 11, lower chord left connecting seat 12, lower chord right connecting seat

13. Lower chord rod jacking rod

Detailed Description

As shown in fig. 1, the technical scheme of the utility model is a variable welding tool for a crane arm, which comprises a chassis 1, wherein a left upright post 2 and a right upright post 3 are respectively and symmetrically arranged at the left end and the right end of the chassis 1, an upper chord left joint seat 4 and an upper chord right joint seat 5 are respectively and symmetrically arranged at the upper ends of the inner sides of the left upright post 2 and the right upright post 3,

the left upright post 2 and the right upright post 3 are arranged on the bottom frame 1 through respective corresponding first connecting pieces, the first connecting pieces comprise a first hexagonal head bolt 6 and a first spring washer, a first hole is arranged on a connecting seat at the lower end of the upright post, a second hole corresponding to the first hole is arranged on the bottom frame 1, the first hexagonal head bolt 6 penetrates through the first spring washer and the first hole and is fixed in the second hole, a first middle upright post 7 and a second middle upright post 8 are also arranged on the bottom frame 1 through respective corresponding first connecting pieces, the first middle upright post 7 and the second middle upright post 8 have the same structure as the left upright post 2, an upper chord left joint seat 5 is arranged on the inner side of the first middle upright post 7 and the second middle upright post 8,

a plurality of lower chord supporting seats 9 are sequentially arranged on the underframe 1 from left to right, the lower chord supporting seats 9 are arranged on the underframe 1 through respective corresponding second connecting pieces 10, the second connecting pieces 10 comprise second hexagon head bolts and second spring washers, third holes are arranged at the lower ends of the lower chord supporting seats 9, fourth holes corresponding to the third holes are arranged on the underframe 1, the second hexagon head bolts penetrate through the second spring washers and the third holes and are fixed in the fourth holes,

a lower chord left connecting seat 11 is arranged between the first middle upright post 7 and the nearest lower chord supporting seat 4, the lower chord left connecting seat 11 is arranged on the underframe 1 through a second connecting piece 10 corresponding to the lower chord left connecting seat, and a lower chord right connecting seat 12 is arranged on the underframe 1 close to the right upright post 3 through a corresponding second connecting piece.

In this embodiment, a plurality of lower chord member jacking rods 13 are further arranged on the underframe 1, and a jacking plate is arranged at the upper end of each lower chord member jacking rod 13.

In this embodiment, a plurality of sets of two lower chord support seats 4 are arranged on the underframe 1.

The working process and principle of this example:

as shown in fig. 2, when in use, the positions of each lower chord support seat 9, the left upright post 2, the first middle upright post 7 and the second middle upright post 8 need to be preset according to the specification of the crane arm unit in advance, and when in use, the positions of the support seats need to be directly fixed in place, and the upright posts do not change as much as possible.

For example, when welding the boom unit of the five-meter section specification of H6015, a lower chord support seat at the first middle upright post-I, a lower chord support seat at the first middle upright post-K, a lower chord support seat at the second middle upright post-M, a lower chord support seat at the second middle upright post-N, and the rest support seats and the upright posts are removed;

when welding the boom unit of the H6015 ten-meter section specification, using a lower chord support seat at the left upright post-B, a lower chord support seat at the lower chord support seat-E, a lower chord support seat at the lower chord support seat-H, a lower chord support seat at the lower chord support seat-M, a lower chord support seat at the lower chord support seat-N, and removing the rest support seats and upright posts;

the foregoing describes one embodiment of the present utility model in detail, but the description is only a preferred embodiment of the present utility model and should not be construed as limiting the scope of the utility model. All equivalent changes and modifications within the scope of the present utility model are intended to be covered by the present utility model.

Claims

1. A variable welding frock for jib loading boom, its characterized in that: comprises a bottom frame, a left upright post and a right upright post are respectively and symmetrically arranged at the left end and the right end of the bottom frame, an upper chord left joint seat and an upper chord right joint seat are respectively and symmetrically arranged at the upper ends of the inner sides of the left upright post and the right upright post,

2. The variable welding fixture for a boom according to claim 1, wherein: the first connecting piece include first hexagon head bolt, first spring washer, be equipped with first hole on the connecting seat of stand lower extreme, be equipped with on the chassis with the corresponding second hole in first hole, first hexagon head bolt passes first spring washer, first hole and fixes in the second hole.

3. The variable welding fixture for a boom according to claim 1, wherein: the underframe is also provided with a plurality of lower string rod propping rods, and the upper ends of the lower string rod propping rods are provided with propping plates.

4. The variable welding fixture for a boom according to claim 1, wherein: the underframe is provided with a plurality of groups of two lower chord supporting seats which are arranged close to each other.