CN218174476U

CN218174476U - Interior jacking formula standard festival connection structure and tower crane main part of tower crane

Info

Publication number: CN218174476U
Application number: CN202222330908.1U
Authority: CN
Inventors: 张朝超; 吴杰伟; 张朝赵; 张廷标; 何赞; 黄振湖
Original assignee: Guangxi Huasheng Mechanical Equipment Co ltd
Current assignee: Guangxi Huasheng Mechanical Equipment Co ltd
Priority date: 2022-09-02
Filing date: 2022-09-02
Publication date: 2022-12-30
Anticipated expiration: 2032-09-02

Abstract

The utility model relates to a construction equipment field, the utility model provides an interior jacking formula standard festival connection structure and tower crane main part of tower crane, it serves the inserting groove that comprises outer joint plate and interconnection board to insert another main chord member through the one angle steel of a main chord member one, pass fixed angle steel through main bolt again, the outer joint plate, first bolt hole on the interconnection board, be equipped with the mounting on the outer joint plate, main bolt passes second bolt hole on the mounting and the locking of third bolt hole on the main bolt through the fixed pin, the fixed pin passes the fourth bolt hole further locking on the fixed pin through the split pin, novel connection structure sets up fixed position on the outer joint plate of standard festival surface, provide bigger operating space for the operator when jacking in the tower crane, adopt main bolt, the fixed pin, the locking in proper order of split pin makes the connection more firm, and dismantle conveniently.

Description

Interior jacking formula standard festival connection structure and tower crane main part of tower crane

Technical Field

The utility model relates to a architectural equipment field specifically is an interior lift formula standard festival connection structure and tower crane main part of tower crane.

Background

202122197216.X discloses a detachable tower crane structure, including a plurality of standard sections of overlapping, standard section includes: the first splicing sheet assemblies and the second splicing sheet assemblies are sequentially and alternately connected end to end, and the adjacent first splicing sheet assemblies and the second splicing sheet assemblies are detachably connected; the step-slowing platform is detachably connected with the first splicing sheet assembly and the second splicing sheet assembly, the step-slowing platform is arranged at the bottom of the standard knot, and a through hole is formed in the step-slowing platform; the upper side of the crawling ladder is detachably connected with the top of the first splicing sheet component or the top of the second splicing sheet component, and the lower side of the crawling ladder is detachably connected with the slow walking platform; the splicing structure is arranged at the joint of the two vertically adjacent standard knots and used for splicing and fixing the two vertically adjacent standard knots. The utility model provides a current standard festival conveying efficiency low and the safety problem when guarantee staff uses the tower crane.

However, the tower crane can be jacked according to the working requirement, so that during jacking, the standard internode connection is convenient and convenient for an operator and sufficient operation space should be provided on the premise of not damaging the firmness and safety of the standard internode connection, and therefore, the purpose of the tower crane is to be optimized.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing an internal jacking type standard joint connecting structure of a tower crane, which adopts the fixation of a main bolt, the sequential locking of a fixed pin and a split pin, and the fixed position is arranged on an external connecting plate on the outer surface of a standard joint, thus providing a convenient disassembly mode and a larger operation space for an operator;

furthermore, the utility model also discloses a tower crane main part.

In order to achieve the above object, the utility model provides a following technical scheme:

an inner jacking type standard joint connecting structure of a tower crane comprises two main chords, wherein one end of one main chord is an angle steel, one end of the other main chord is an inserting part, and the inserting part comprises two pairs of outer connecting plates and inner connecting plates; each pair of the outer connecting plates and the inner connecting plates form an inserting groove; the angle iron fixing device comprises two surfaces of angle iron, an outer connecting plate, an inner connecting plate, a main bolt, a fixing pin and a split pin, wherein the two surfaces of the angle iron are inserted into corresponding inserting grooves, the corresponding surfaces of the outer connecting plate, the inner connecting plate and the angle iron are provided with first bolt holes, the outer connecting plate is positioned on the outer side of the angle iron, the inner connecting plate is close to the inner side of the angle iron, the angle iron fixing device further comprises the main bolt, the fixing pin and the split pin, the outer connecting plate is provided with a fixing piece, the fixing piece is provided with a second bolt hole, the main bolt is provided with a third bolt hole, the fixing pin is provided with a fourth bolt hole, and the main bolt is inserted into the first bolt holes of the outer connecting plate, the inner connecting plate and the angle iron; the fixing pin is inserted into the second bolt hole and the third bolt hole and is fixed on the fixing piece through a split pin inserted into the fourth bolt hole.

In the above connection structure, the fixing member includes two fixing plates, and the two fixing plates are respectively disposed at two sides of the first pin hole on the outer connection plate; the second pin hole is formed in the fixing plate.

In the above connection structure, the fixing member is a hollow square cylindrical body, and the fixing plates are two surfaces of the square cylindrical body; the square cylindrical body is welded on the outer connecting plate.

In the above connection structure, two of the interconnection plates are connected to each other to form an L-shaped structure.

In the connecting structure, one side or two sides of the angle steel are connected with or integrally formed with cushion blocks, and the first bolt holes in the angle steel penetrate through the cushion blocks.

In the above connection structure, the outer connection plate and the inner connection plate are connected to the ends of the main chord in a welded manner.

In the above connection structure, one end of any one of the main chords is the angle steel and the other end is the insertion part.

A tower crane main body is formed by connecting a plurality of standard sections in sequence; the standard knot consists of at least three main chords, and auxiliary chords are connected between adjacent main chords; the main chords of two adjacent standard knots are connected through the connecting structure.

Compared with the prior art, the beneficial effects of the utility model are that:

compare in the connection structure of old edition, novel connection structure sets up fixed position on the outer joint plate of standard festival surface, has solved old edition connection structure fixed position and has leaded to the limited problem of operating space at standard festival internal surface to novel connection structure passes through the fixed of main bolt, and locking in proper order of fixed pin, split pin connects more firmly, and it is also convenient to dismantle.

Drawings

Fig. 1 is a perspective view of a main chord of the connection structure of embodiment 1;

FIG. 2 is a perspective view of an inner connection plate of the connection structure of embodiment 1;

FIG. 3 is a perspective view of an external connection plate of the connection structure of embodiment 1;

fig. 4 is a perspective view of a main plug, a fixing pin, and a cotter pin of the connecting structure of embodiment 1;

FIG. 5 is an enlarged view of the junction of the connection structure of embodiment 1;

FIG. 6 is a connection diagram of the connection structure of embodiment 1;

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Example 1

Referring to fig. 1-6, an internal jacking type standard joint connection structure of a tower crane comprises two main chords, wherein one end of one main chord 1 is an angle steel, one end of the other main chord 2 is an insertion part, and the insertion part comprises two pairs of external connection plates 4 and internal connection plates 3; each pair of the outer connecting plates 4 and the inner connecting plates 3 form an inserting groove 5; two surfaces of the angle steel are inserted into corresponding inserting grooves 5, first bolt holes 6 are formed in the corresponding surfaces of the angle steel, the outer connecting plate 4, the inner connecting plate 3 and the angle steel, the outer connecting plate 4 is located on the outer side of the angle steel, the inner connecting plate 3 is close to the inner side of the angle steel, the angle steel fixing device further comprises a main bolt 10, a fixing pin 11 and a cotter pin 12, a fixing piece 8 is arranged on the outer connecting plate 4, a second bolt hole 9 is formed in the fixing piece 8, a third bolt hole 13 is formed in the main bolt 10, a fourth bolt hole 14 is formed in the fixing pin 11, and the main bolt 10 is inserted into the first bolt holes 6 of the outer connecting plate 4, the inner connecting plate 3 and the angle steel; the fixing pin 11 is inserted into the second and

third latch holes

9 and 13 and the fixing pin 11 is fixed to the fixing member 8 by means of a cotter pin 12 inserted into a fourth latch hole 14.

Under this kind of design, novel connection structure is equipped with mounting 8 on the outer joint plate 4, sets up the fixed position of standard festival on the outer joint plate 4 of standard festival, when the tower crane jacking, provides bigger operating space and gives the operator to adopt locking in proper order of main bolt 10 fixed, fixed pin 11, split pin 12, make the fixed point firmer, dismantle the convenience moreover.

Preferably, the fixing member 8 includes two fixing plates, and the two fixing plates are respectively disposed at two sides of the first pin hole 6 on the outer connecting plate 4; the second bolt hole 9 is formed in the fixing plate, and the fixing plate is arranged to lock the main bolt 10 in the first bolt hole 6 under the fixing condition that the fixing pin 11 is inserted into the second bolt hole 9 and the third bolt hole 13 of the main bolt 10.

As a further optimization of this embodiment, in order to increase the strength of the two fixing plates and prevent the two fixing plates from deforming under stress, the fixing member 8 is a hollow square cylindrical body, and the fixing plates are two surfaces of the square cylindrical body; the square cylinder is welded on the outer connecting plate 4.

In the present embodiment, two inner connection plates 3 are connected to each other to form an L-shaped structure, which can increase the contact area between the inner connection plates 3 and the angle iron.

In this embodiment, one side or both sides of angle steel are connected with or integrated into one piece has cushion 7, first bolt hole 6 on the angle steel runs through cushion 7, and cushion 7's effect increases the cross-sectional thickness in first bolt hole 6, prevents the tower crane during operation, and the body of the tower atress leads to first bolt hole 6 atress to produce and warp.

Preferably, the outer connecting plates 4 and the inner connecting plates 3 are connected to the ends of the main chords in a welding mode, and the welding mode has the following advantages:

1. the welded structure has strong integral integrity and high rigidity;

2. the strength of the welding structure is high;

3. the density of the welding structure is good, and air tightness and water tightness are ensured;

4. the welded structure has good economic benefits.

In this embodiment, the height of the tower crane is that the standard knot is overlapped through end-to-end connection of a plurality of main chords, so one end of any main chord is the angle steel and the other end is the grafting portion.

A tower crane main body is formed by connecting a plurality of standard sections in sequence; the standard knot consists of at least three main chords, and an auxiliary chord is connected between every two adjacent main chords; the main chords of two adjacent standard knots are connected through the connecting structure.

Under this kind of design, the tower crane main part that adopts novel connection structure sets up fixed position on the outer connecting plate 4 of standard festival surface, and is fixed through main bolt 10, the mode of locking in proper order of fixed pin 11, split pin 12, and this kind of fixed mode is not only more firm, and is also convenient during the dismantlement, has given the bigger operating space of operator moreover when tower crane main part jacking.

In the connection process, the connection structure of the internal jacking type standard section of the tower crane comprises the following steps:

step 1: inserting the main chord with the end part being the angle steel into the main chord with the end part being the inserting part;

step 2: aligning the first bolt holes 6 on the outer connecting plate 4, the angle steel and the inner connecting plate 3, and inserting the main bolt 10 into the first bolt holes 6;

and step 3: aligning a second bolt hole 9 on the fixing piece 8 and a third bolt hole 13 on the main bolt 10, and penetrating a fixing pin 11 through the second bolt hole 9 and the third bolt hole 13;

and 4, step 4: the cotter pin 12 is inserted into the fourth pin hole 14 of the fixing pin 11.

Claims

1. An inner jacking type standard joint connecting structure of a tower crane comprises two main chords, wherein one end of one main chord is an angle steel, one end of the other main chord is an inserting part, and the inserting part comprises two pairs of outer connecting plates and inner connecting plates; each pair of the outer connecting plates and the inner connecting plates form an inserting groove; the angle iron fixing device is characterized by further comprising a main bolt, a fixing pin and a split pin, wherein a fixing piece is arranged on the outer connecting plate, a second bolt hole is formed in the fixing piece, a third bolt hole is formed in the main bolt, a fourth bolt hole is formed in the fixing pin, and the main bolt is inserted into the first bolt holes of the outer connecting plate, the inner connecting plate and the angle iron; the fixing pin is inserted into the second bolt hole and the third bolt hole and is fixed on the fixing piece through a split pin inserted into the fourth bolt hole.

2. The coupling structure according to claim 1, wherein the fixing member includes two fixing plates provided at both sides of the first pin hole on the outer coupling plate; the second pin hole is provided on the fixing plate.

3. The connecting structure according to claim 2, wherein the fixing member is a hollow square cylindrical body, and the fixing plates are two faces of the square cylindrical body; the square cylindrical body is welded on the outer connecting plate.

4. The connecting structure according to claim 1, wherein two of said interconnecting plates are connected to each other to form an L-shaped structure.

5. The connecting structure of claim 1, wherein a cushion block is connected to or integrally formed on one side or both sides of the angle steel, and the first bolt hole of the angle steel penetrates through the cushion block.

6. The connecting structure according to claim 1, wherein the outer and inner connecting plates are connected to ends of the main chord by welding.

7. The connection structure according to claim 1, wherein one end of any one of the main chords is the angle steel and the other end is the insertion part.

8. A tower crane main body is characterized by being formed by sequentially connecting a plurality of standard sections; the standard knot consists of at least three main chords, and an auxiliary chord is connected between every two adjacent main chords; the main chords of two adjacent standard knots are connected by a connecting structure according to any one of claims 1-7.