阅读说明：本技术 一种新型塔机分体式起重臂 (Novel split type jib loading boom of tower machine ) 是由 许贵林 黄建军 马坤月 潘天才 于 2020-08-07 设计创作，主要内容包括：本发明提出了一种新型塔机分体式起重臂,包括上板架、侧板架和下弦杆,所述上板架两端部分别与两个侧板架一端部固定连接,两个所述侧板架另一端部可拆卸连接于所述下弦杆上,以形成三角框架结构。本发明通过将上板架、侧板架和连接板组分别加工并进行焊接组成上部结构,上部结构和下弦杆分别加工生产和运输,可以避免由于单件超宽、超重而引起的加工和运输难题,塔机安装前,将上部结构与下弦杆组装成整体即可。(The invention provides a novel split type crane boom of a tower crane, which comprises an upper plate frame, side plate frames and a lower chord member, wherein two end parts of the upper plate frame are respectively and fixedly connected with one end parts of the two side plate frames, and the other end parts of the two side plate frames are detachably connected to the lower chord member to form a triangular frame structure. According to the invention, the upper plate frame, the side plate frame and the connecting plate group are respectively processed and welded to form the upper structure, and the upper structure and the lower chord are respectively processed, produced and transported, so that the processing and transportation problems caused by the super-width and overweight of a single piece can be avoided.)

1. The utility model provides a novel split type jib loading boom of tower machine, a serial communication port, including last grillage, side grillage and lower chord, go up grillage both ends respectively with a two side grillage end fixed connection, two another end of side grillage can dismantle connect in on the lower chord to form triangular frame structure.

2. The novel split type cargo boom of a tower crane according to claim 1, wherein the upper plate frame comprises an upper chord, a middle transverse web, two inclined transverse webs and two side transverse webs, the middle transverse web is fixedly connected between the two upper chord arranged in parallel, the two side transverse webs are located on two sides of the middle transverse web and are fixedly connected with the upper chord, and two ends of the inclined transverse webs are respectively and fixedly connected with the middle transverse web and the upper chord and the joint of the side transverse webs and the upper chord.

3. The novel split type crane jib of tower crane according to claim 2, wherein the side plate frame comprises a middle vertical web plate, two side vertical web plates and an oblique vertical web plate, the middle vertical web plate is vertically arranged between the upper chord and the lower chord, the two side vertical web plates are arranged on two sides of the middle vertical web plate, one end parts of the middle vertical web plate and the two side vertical web plates are fixedly connected with the upper chord, the other end parts of the middle vertical web plate and the two side vertical web plates are detachably connected with the lower chord, and the oblique vertical web plate is obliquely arranged between the middle vertical web plate and the side vertical web plates.

4. The novel split type crane boom of a tower crane as claimed in claim 3, further comprising a first connecting plate set, wherein the first connecting plate set comprises a vertical plate, a first bottom plate and a first rib plate, the bottom end of the vertical plate is fixedly connected to the first bottom plate, the top end of the vertical plate is fixedly connected to one side vertical web plate, the first rib plate is fixedly arranged on the side portion of the vertical plate, the bottom end of the first rib plate is fixedly connected to the first bottom plate, and the first bottom plate is fixedly connected to the lower chord through a plurality of bolts.

5. The novel split type crane boom of a tower crane as claimed in claim 3, further comprising a second connecting plate group, wherein the second connecting plate group comprises a side plate, a second rib plate and a second bottom plate, the side plate is fixedly arranged on both sides of the lower part of the oblique vertical web, the lower part of the oblique vertical web is fixedly connected with the bottom end parts of the lateral vertical web and the middle vertical web, the bottom end parts of the oblique vertical web are fixedly connected with the second bottom plate, and the second bottom plate is fixedly connected with the lower chord through a plurality of bolts;

the first connecting plate group, the second connecting plate group and the two second connecting plate groups are fixedly connected through connecting rods.

6. The novel split type crane boom of tower crane as claimed in claim 3, wherein a platform is fixedly arranged between the two upper chords, and a ladder is fixedly arranged between the upper chords and the lower chords.

7. The novel split type crane boom of a tower crane as claimed in claim 3, wherein a handrail is horizontally arranged between the middle vertical web and the side vertical web.

8. The novel split tower crane boom as claimed in any one of claims 1 to 7, wherein the cross section of the lower chord is I-shaped.

Technical Field

The invention relates to the technical field of cranes, in particular to a novel split type crane boom of a tower crane.

Background

With the vigorous development of the building industry in China, the crane is increasingly widely used in the building field. The use of tower cranes is also particularly important, especially for the construction of power plants, large buildings and bridges. However, because the weight of the single module of some ultra-large buildings is too large and overweight, the traditional crane can not meet the requirement, and at this time, the ultra-large crane is required to finish the hoisting work so as to solve the difficult problem in construction.

Traditional tower cranes are all integral crane booms, but due to the fact that the crane boom of an ultra-large tower crane is ultra-large, ultra-wide and ultra-heavy, the crane boom is complex to process and difficult to transport, and the requirements of production, processing and transportation cannot be well met.

Disclosure of Invention

The invention aims to provide a novel split type crane boom of a tower crane, which solves the problems of complex processing and large transportation difficulty of the crane boom due to the fact that the crane boom of an ultra-large tower crane is ultra-large, ultra-wide and ultra-heavy in the prior art.

In order to solve the technical problems, the invention adopts the technical scheme that: the utility model provides a novel split type jib loading boom of tower machine, includes grillage, side grillage and lower chord member, go up grillage both ends respectively with a two side grillage end fixed connection, two another end can dismantle of side grillage connect in on the lower chord member to form triangular frame structure.

As preferred scheme, the upper plate frame includes last chord member, well horizontal web, oblique horizontal web and side horizontal web, well horizontal web fixed connection is between two parallel arrangement's last chord member, two side horizontal web is located well horizontal web both sides, and with last chord member fixed connection, oblique horizontal web both ends difference fixed connection is in well horizontal web and last chord member and the department that meets of side horizontal web and last chord member.

As the preferred scheme, the curb plate frame includes well vertical web, side vertical web and oblique vertical web, well vertical web set up perpendicularly in between last chord member and the lower chord member, two the side vertical web is located well vertical web both sides, just well vertical web and two side vertical web one end all with last chord member fixed connection, its another tip with the lower chord member can be dismantled and be connected, oblique vertical web slope set up in well vertical web and side vertical web between the web.

Preferably, the first connecting plate group comprises a vertical plate, a first bottom plate and a first rib plate, the bottom end of the vertical plate is fixedly connected to the first bottom plate, the top end of the vertical plate is fixedly connected to one side vertical web plate, the first rib plate is fixedly arranged on the side of the vertical plate, the bottom end of the first rib plate is fixedly connected to the first bottom plate, and the first bottom plate is fixedly connected to the lower chord through a plurality of bolts.

As a preferable scheme, the cable tie comprises a second connecting plate group, wherein the second connecting plate group comprises side plates, a second rib plate and a second bottom plate, the side plates are fixedly arranged on two sides of the lower part of the oblique vertical web plate, the lower part of the oblique vertical web plate is fixedly connected with the bottom end parts of the side vertical web plate and the middle vertical web plate, the bottom end parts of the oblique vertical web plate are fixedly connected with the second bottom plate, and the second bottom plate is fixedly connected with the lower chord through a plurality of bolts; the first connecting plate group, the second connecting plate group and the two second connecting plate groups are fixedly connected through connecting rods.

As a preferred scheme, a platform is fixedly arranged between the two upper chords, and a ladder stand is fixedly arranged between the upper chords and the lower chords.

Preferably, a handrail is horizontally arranged between the middle vertical web and the side vertical web.

Preferably, the cross section of the lower chord is I-shaped.

Compared with the prior art, the invention has the beneficial effects that: through changing integral jib loading boom into split type jib loading boom, this split type jib loading boom includes grillage, side grillage and lower chord, go up grillage both ends respectively with a two side grillage tip fixed connection, another tip of two side grillages can dismantle through connecting plate group and connect on the lower chord to form triangular frame structure. The upper plate frame and the side plate frame are respectively processed and welded to form an upper structure, and the upper structure and the lower chord are respectively processed, produced and transported, so that the processing and transportation problems caused by super-width and overweight of single pieces can be avoided. Before the tower crane is installed, the upper structure and the lower chord are assembled into a whole.

Drawings

The disclosure of the present invention is illustrated with reference to the accompanying drawings. It is to be understood that the drawings are designed solely for the purposes of illustration and not as a definition of the limits of the invention. In the drawings, like reference numerals are used to refer to like parts. Wherein:

fig. 1 is a schematic structural diagram of a split type cargo boom of a novel tower crane according to an embodiment of the invention;

FIG. 2 is a view taken along line A of FIG. 1;

FIG. 3 is a view from the direction B of FIG. 1;

FIG. 4 is a top view of FIG. 1;

FIG. 5 is an enlarged view of a portion of FIG. 1 at M;

FIG. 6 is an enlarged view of a portion of FIG. 1 at N;

FIG. 7 is an enlarged view of a portion of FIG. 2 at P;

reference numbers in the figures: the ladder comprises 1 lower chord, 2 connecting rods, 3 upper chord, 4 middle vertical web, 5 oblique vertical web, 6 side vertical web, 7 bolts, 8 first connecting plate groups, 801 vertical plates, 802 first bottom plates, 803 first ribbed plates, 9 second connecting plate groups, 901 side plates, 902 second ribbed plates, 903 second bottom plates, 10 handrails, 11 middle transverse web, 12 oblique transverse web, 13 side transverse web, 14 platforms and 15 ladders.

Detailed Description

It is easily understood that according to the technical solution of the present invention, a person skilled in the art can propose various alternative structures and implementation ways without changing the spirit of the present invention. Therefore, the following detailed description and the accompanying drawings are merely illustrative of the technical aspects of the present invention, and should not be construed as all of the present invention or as limitations or limitations on the technical aspects of the present invention.

An embodiment according to the invention is shown in connection with fig. 1 to 4. The utility model provides a novel split type jib loading boom of tower machine, includes grillage, side grillage and lower chord 1, go up grillage both ends respectively with a two side grillage fixed connection, another end can dismantle of two side grillages and connect on lower chord 1 to form triangular frame structure. In this embodiment, the detachable connection mode is bolt connection. The cross section of the lower chord 1 is I-shaped, and the structural strength is high.

Specifically, the upper plate frame comprises an upper chord 3, a middle transverse web 11, an oblique transverse web 12 and side transverse webs 13, wherein the middle transverse web 11 is fixedly connected between the two upper chords 3 which are arranged in parallel, the two side transverse webs 13 are positioned on two sides of the middle transverse web 11 and are fixedly connected with the upper chord 3, and two ends of the oblique transverse web 12 are respectively and fixedly connected with the middle transverse web 11 and the upper chord 3 and the joint of the side transverse webs 13 and the upper chord 3. In this embodiment, the fixed connection manner is a welded connection.

The side plate frame comprises a middle vertical web plate 4, side vertical web plates 6 and an oblique vertical web plate 5, wherein the middle vertical web plate 4 is vertically arranged between the upper chord 3 and the lower chord 1, the two side vertical web plates 6 are positioned at two sides of the middle vertical web plate 4, one end parts of the middle vertical web plate 4 and one end parts of the two side vertical web plates 6 are fixedly connected with the upper chord 3, the other end parts of the middle vertical web plate 4 and one end parts of the two side vertical web plates 6 are detachably connected with the lower chord 1, and the oblique vertical web plate 5 is obliquely arranged between the middle vertical web plate 4 and. The connecting mode has stable structure and high strength.

As shown in fig. 5 to 7, in this embodiment, the jib further includes a first connection plate group 8, the first connection plate group 8 includes a vertical plate 801, a first bottom plate 802, and a first rib 803, a bottom end of the vertical plate 801 is fixedly connected to the first bottom plate 802, and a top end of the vertical plate 801 is fixedly connected to one side vertical web 6, the first rib 803 is fixedly disposed at a side of the vertical plate 801, and a bottom end of the first rib is fixedly connected to the first bottom plate 802, and the first bottom plate 802 is fixedly connected to the lower chord 1 through a plurality of bolts 7.

In this embodiment, the second connection plate group 9 is further included, the second connection plate group 9 includes a side plate 901, a second rib 902 and a second bottom plate 903, the side plate 901 is fixedly disposed on two sides of the lower portion of the oblique vertical web 5, the lower portion of the oblique vertical web 5 is fixedly connected with the bottom end portions of the lateral vertical web 6 and the middle vertical web 4, the bottom end portion of the oblique vertical web 5 is fixedly connected with the second bottom plate 903, and the second bottom plate 903 is fixedly connected with the lower chord 1 through a plurality of bolts 7.

The first connecting plate group 8 and the second connecting plate group 9 are fixedly connected with each other through the connecting rod 2, and the two second connecting plate groups 9 are fixedly connected with each other through the connecting rod 2.

Further, a platform 14 is fixedly arranged between the two upper chords 3, a ladder stand 15 is fixedly arranged between the upper chords 3 and the lower chords 1, and a handrail 10 is horizontally arranged between the middle vertical web 4 and the side vertical web 6. The assembly, disassembly, repair and maintenance of operators are facilitated.

In summary, the invention discloses a novel split type crane boom of a tower crane, which has the beneficial effects that: through changing integral jib loading boom into split type jib loading boom, this split type jib loading boom includes grillage, side grillage and lower chord 1, goes up grillage both ends respectively with a two side grillage tip fixed connection, another tip of two side grillages can dismantle through connecting plate group and connect on lower chord 1 to form triangular frame structure. The upper plate frame and the side plate frame are respectively processed and welded to form an upper structure, the upper structure and the lower chord 1 are respectively processed, produced and transported, and the processing and transportation problems caused by super-width and overweight of single pieces can be avoided. Before the tower crane is installed, the upper structure and the lower chord 1 are assembled into a whole, and the installation is simple and convenient.

The technical scope of the present invention is not limited to the above description, and those skilled in the art can make various changes and modifications to the above-described embodiments without departing from the technical spirit of the present invention, and such changes and modifications should fall within the protective scope of the present invention.