CN217019178U

CN217019178U - Single welding table tool for lower chord member of tower crane boom

Info

Publication number: CN217019178U
Application number: CN202123098506.5U
Authority: CN
Inventors: 黄林敏; 王杭涛; 尹志豪; 陈剑洋; 祝梦婷; 储道坤
Original assignee: Zhejiang Construction Engineering Machinery Group Co Ltd
Current assignee: Zhejiang Construction Engineering Machinery Group Co Ltd
Priority date: 2021-12-10
Filing date: 2021-12-10
Publication date: 2022-07-22
Anticipated expiration: 2031-12-10

Abstract

The utility model discloses a tower crane boom lower chord single welding table tool which comprises a single bottom table, positioning plates, universal supports, a transition plate, a steel sleeve and a pin shaft, wherein the universal supports are fixedly arranged at two ends of the single bottom table, the positioning plates are positioned between the two universal supports and are fixedly arranged on the single bottom table, the transition plate is arranged on the universal supports, the steel sleeve is arranged in the transition plate, and the pin shaft is arranged in the steel sleeve. The utility model is suitable for manufacturing the lower chord of the crane boom of the tower crane, selects the steel sleeves and the pin shafts with corresponding models to be placed in the universal support according to the requirements of producing different products to complete the positioning of the products, and can achieve the purpose of quick replacement only by replacing the steel sleeves and the pin shafts when the products are switched.

Description

Single welding table tool for lower chord member of tower crane boom

Technical Field

The utility model relates to the field of cranes, in particular to a single support welding table tool for a lower chord of a crane boom of a tower crane.

Background

The manufacturing of the cargo boom of the tower crane is a key ring of a tower crane product, the manufacturing of the cargo boom is a key for restricting the production of the cargo boom, the size switching of each boom section of the cargo boom is frequent, but the overall structure is basically consistent. In order to meet the market, the manufacturing rhythm of the crane boom is accelerated, and the production rhythm and the iteration speed of a tower crane product are accelerated, a crane boom lower chord single-support manufacturing tool which can complete accurate positioning and can quickly switch models is urgently needed.

At present, the original construction mode is that components such as a lower chord member and a joint of a product are placed on a final assembly tool for assembly welding, and the finished product is directly assembled by a whole arm without being formed independently and cannot be suitable for processing products with various sizes.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problems, the utility model provides a single welding table tool for a lower chord of a tower crane boom, which is suitable for manufacturing the lower chord of the tower crane boom, steel sleeves and pin shafts of corresponding models are selected to be placed in a universal support according to the requirements of producing different products, so that the positioning of the products is completed, and the aim of quick replacement can be achieved only by replacing the steel sleeves and the pin shafts when the products are switched.

The utility model adopts the following technical scheme:

the utility model provides a tower crane jib loading boom lower chord member singly props up weld table frock, includes singly props up sill, locating plate, general support, crosses cab apron, steel bushing, round pin axle, general support sets up in singly props up sill both ends through fixed, and the locating plate is located between two general supports and fixed the setting on singly props up the sill, be equipped with the cab apron on the general support, cross and be equipped with the steel bushing in the cab apron, be equipped with the round pin axle in the steel bushing.

Preferably, the single-support bottom table is provided with an installation plate, and the positioning plate and the universal support are fixedly arranged on the installation plate.

Preferably, the positioning plate comprises a connecting plate connected with the single bottom platform and a positioning bulge positioned in the middle of the upper end of the connecting plate, and the positioning bulge is a positioning space for positioning the lower chord.

Preferably, the universal support comprises a support floor fixedly connected with the single bottom platform, a support frame perpendicular to the support floor and a support plate located above the support plate, and a sliding groove for accommodating the pin shaft is formed in the support plate.

Preferably, the steel sleeve is an eccentric steel sleeve.

Preferably, the single-support base table includes a first base located at the bottom and a second base stacked on the first base.

Preferably, the second base comprises two second base blocks fixedly connected through fixing blocks.

Preferably, the first base includes a first base block fixedly disposed on the second base block.

Compared with the prior art, the utility model has the following advantages:

1. the universal support is suitable for manufacturing the lower chord of the crane boom of the tower crane, the steel bushing and the pin shaft of the corresponding model are selected to be placed into the universal support according to the requirements of producing different products, the positioning of the products is completed, and the purpose of quick replacement can be achieved only by replacing the steel bushing and the pin shaft when the products are switched.

2. Adopt the design of duplex position, the simultaneous manufacture of jib loading boom lower chord member of same group avoids different frock preparation accumulative error and causes the problem that the length differs about the jib loading boom arm section.

3. The single bottom platform adopts a double-layer steel structure design, the precision of a tooling foundation is ensured, the multi-hole design of the bottom plate is realized, and the possibility of new product expansion is ensured.

Drawings

Fig. 1 is a schematic view of a tool structure.

Fig. 2 is a partially enlarged view of a portion a of fig. 1.

Fig. 3 is a partially enlarged view of portion B of fig. 1.

Fig. 4 is a schematic structural diagram of the universal mount.

FIG. 5 is a schematic view of a connection structure of a transition plate, a steel sleeve and a pin shaft.

FIG. 6 is a schematic view of the tool with the lower chord attached.

Fig. 7 is a schematic structural view of the lower chord.

In the figure, a single bottom support 1, a mounting plate 11, a first base 12, a first base block 121, a second base 13, a second base block 131, a fixing block 132, a positioning plate 2, a connecting plate 21, a positioning bulge 22, a positioning space 23, a universal support 3, a support floor 31, a support frame 32, a support plate 33, a sliding chute 34, a transition plate 4, a steel sleeve 5 and a pin shaft 6.

Detailed Description

In order to facilitate understanding of the technical solutions of the present invention, the following detailed description is made with reference to the accompanying drawings and specific embodiments.

Example 1

As shown in fig. 1-7, a tower crane boom lower chord single welding table tool comprises a single base table 1, a positioning plate 2, universal supports 3, a transition plate 4, a steel sleeve 5 and a pin shaft 6, wherein the universal supports 3 are fixedly arranged at two ends of the single base table 1, the positioning plate 2 is positioned between the two universal supports 3 and is fixedly arranged on the single base table 1, the transition plate 4 is arranged on the universal supports 3, the steel sleeve 5 is arranged in the transition plate 4, and the pin shaft 6 is arranged in the steel sleeve 5.

When the universal welding tool is used, two connectors are fixed at two ends of a lower chord, the lower chord is placed in the tool and abuts against a positioning plate, a pin shaft 6 is arranged in the connectors to position the lower chord on a universal support 3, the other lower chord is fixed to the other side of the universal support 3 according to the method, namely the two lower chords are arranged on the universal support 3, the two lower chords are fixed through the pin shaft 6 and are welded on the tool, and after welding is completed, the lower chord is taken down and a next lower chord needing to be welded is placed on the lower chord.

The utility model discloses a single base frame, including single base frame 1, locating plate 2 and universal support 3, all fixed the setting on mounting plate 11, in this embodiment, be equipped with six mounting plates 11 altogether, be located to be equipped with universal support 3 on the mounting plate 11 at both ends, all be equipped with locating plate 2 on each mounting plate 11.

The positioning plate 2 comprises a connecting plate 21 connected with the single-support bottom table 1 and a positioning bulge 22 positioned in the middle of the upper end of the connecting plate 21, and the positioning bulge 22 is a positioning space 23 for positioning the lower chord. Specifically, after the lower chord is mounted on the tool, the lower chord is located in the positioning space 23 and abuts against the connecting plate 21.

The universal support 3 comprises a support floor 31 fixedly connected with the single base platform 1, a support frame 32 perpendicular to the support floor 31 and a support plate 33 positioned above the support plate 32, wherein a chute 34 for accommodating the pin shaft 6 is arranged on the support plate 33.

The steel sleeve 5 is an eccentric steel sleeve.

The single-support base platform 1 comprises a first base 12 located at the bottom and a second base 13 stacked on the first base 12, the double-layer steel structure design is adopted, the accuracy of a tooling foundation is guaranteed, the bottom plate is designed in a multi-hole position mode, and the possibility of new product expansion is guaranteed.

The second base 13 includes two second base blocks 131 fixedly connected by fixing blocks 132, and the fixing blocks 132 are used to reinforce the strength between the second base blocks 131. The first base 12 includes a first base block 121 fixedly disposed on the second base block 131.

The above is only a preferred embodiment of the present invention, and the scope of the present invention is defined by the appended claims, and several modifications and amendments made by those skilled in the art without departing from the spirit and scope of the present invention should be construed as the scope of the present invention.

Claims

1. The utility model provides a tower crane jib loading boom lower chord member singly props weld table frock, its characterized in that, include singly props sill (1), locating plate (2), general support (3), cross cab apron (4), steel bushing (5), round pin axle (6), general support (3) are through fixed setting in singly props sill (1) both ends, and locating plate (2) are located between two general support (3) and fixed setting on singly props sill (1), be equipped with cab apron (4) on general support (3), cross and be equipped with steel bushing (5) in cab apron (4), be equipped with round pin axle (6) in steel bushing (5).

2. The tower crane boom lower chord member single support welding table tool according to claim 1, wherein a mounting plate (11) is arranged on the single support base table (1), and the positioning plate (2) and the universal support (3) are both fixedly arranged on the mounting plate (11).

3. The tower crane boom lower chord member single support welding table tool according to claim 1, wherein the positioning plate (2) comprises a connecting plate (21) connected with the single support bottom table (1) and a positioning bulge (22) located in the middle of the upper end of the connecting plate (21), and the positioning bulge (22) is a positioning space (23) for positioning the lower chord member.

4. The tower crane boom lower chord member single support welding table tool according to claim 1, characterized in that the universal support (3) comprises a support floor (31) fixedly connected with the single support base (1), a support frame (32) arranged perpendicular to the support floor (31) and a support plate (33) positioned above the support frame (32), and the support plate (33) is provided with a sliding groove (34) for accommodating the pin shaft (6).

5. The tower crane boom lower chord single support welding table tool according to claim 1, characterized in that the steel bushing (5) is an eccentric steel bushing.

6. The tower crane boom lower chord single support welding table tool according to claim 1, characterized in that the single support base table (1) comprises a first base (12) at the bottom and a second base (13) stacked on the first base (12).

7. The tower crane boom lower chord single support welding table tool according to claim 6, characterized in that the second base (13) comprises two second base blocks (131) fixedly connected by fixing blocks (132).

8. The tower crane boom lower chord single support welding table tool according to claim 7, characterized in that the first base (12) comprises a first base block (121) fixedly arranged on a second base block (131).