CN219217372U - Inner tower and outer tower connecting structure of inner jacking type tower crane - Google Patents

Abstract

The utility model relates to an inner tower and outer tower connecting structure of an inner jacking type tower crane, which comprises a first standard tower, a second standard tower, inner tower connecting pieces, outer tower connecting pieces, latch plates and splice plates, wherein the first standard tower is arranged in the second standard tower, the splice plates are fixedly connected to four corners of the tops of the second standard tower and the first standard tower, the latch plates are fixedly connected to four corners of the middle part of the first standard tower, the inner tower connecting pieces and the outer tower connecting pieces are arranged at the four corners of the tops of the second standard tower and the middle part of the first standard tower, and the latch plates and the splice plates are movably connected through the inner tower connecting pieces and the outer tower connecting pieces. The utility model solves the problems that the number of the connecting bolts is large, the installation is troublesome and the installation time is long, in addition, when the production and the processing are carried out, the bolt hole site deviation causes uneven stress of the bolts and the individual bolts are cut off, and if the bolts are not checked and replaced in time, the bolts are used continuously under the condition, so that the potential safety hazard is greatly increased.

Description

Inner tower and outer tower connecting structure of inner jacking type tower crane

Technical Field

The utility model relates to the field of tower crane machinery, in particular to an inner tower and outer tower connecting structure of an inner jacking type tower crane.

Background

The tower hanging frame is common equipment in the building field at present, the types of tower hanging frames are various, but the main body structures are approximately the same, namely a plurality of tower units are overlapped to form a vertical tower body, and the top of the tower body is provided with a rotating mechanism which corresponds to the rotating mechanism at the lower end of the rotating tower. The swing tower is provided with a tower crane arm which is vertically connected with the swing tower, a long arm of the crane trolley arranged on one side of the tower is a crane arm, and a short arm of the counterweight body arranged on the other side of the tower is a balance arm. The tower is composed of several standard joints, wherein, each part of the tower crane standard joint is angle steel, square tube or buckle square.

The existing connection mode of the inner tower and the outer tower of the inner jacking type tower crane adopts an inner tower connecting piece and an outer tower connecting piece and uses bolts for pre-tightening, the connection mode has the defects that the number of connecting bolts is large, the installation is troublesome and the installation time is long, in addition, when the production and the processing are carried out, the bolt hole position is deviated, the stress of the bolts is uneven, the phenomenon that individual bolts are cut off is caused, if the bolts are not checked and replaced in time, the bolts are continuously used under the condition, and the potential safety hazard is greatly increased.

Disclosure of Invention

In view of the foregoing problems in the prior art, a main object of the present utility model is to provide an inner tower-outer tower connection structure of an inner jacking tower crane.

The technical scheme of the utility model is as follows: the utility model provides an interior outer tower connection structure of interior jacking formula tower crane, includes first standard pylon, second standard pylon, interior outer tower connecting piece, latch board and splice plate, first standard pylon sets up the inside at the second standard pylon, the equal fixedly connected with splice plate in four corners at second standard pylon and first standard pylon top, the equal fixedly connected with latch board in four corners at first standard pylon middle part, the four corners at second standard pylon top and first standard pylon middle part are provided with interior outer tower connecting piece, latch board and splice plate pass through interior outer tower connecting piece swing joint.

As a preferred implementation mode, the inside of the inner tower connecting piece and the outer tower connecting piece starts to be provided with two rectangular grooves, the two sides of the inner tower connecting piece and the outer tower connecting piece are provided with first through holes, the first through holes are communicated with the rectangular grooves, and the top of the bolt plate penetrates through the corresponding rectangular grooves and extends to the outer sides of the inner tower connecting piece and the outer tower connecting piece.

As a preferred embodiment, a first connecting hole is formed on one side of the latch plate, and the first connecting hole is flush with the first through hole.

As a preferred implementation mode, a second connecting hole is formed in one side of the splice plate, and second through holes are formed in two sides of the bottom of the inner tower connecting piece and the outer tower connecting piece, and are flush with the second connecting holes.

As a preferred embodiment, the first through hole and the corresponding first connecting hole and the second through hole and the corresponding second connecting hole are respectively provided with a pin shaft, and one end of each pin shaft is provided with a bolt.

As a preferred implementation mode, the first standard tower and the second standard tower are composed of cuboid steel frame structures, first angle steel is fixedly connected between two struts of the first standard tower and the second standard tower at equal intervals, and second angle steel and third angle steel are fixedly connected between two adjacent first angle steel.

Compared with the prior art, the utility model has the advantages and positive effects that the bolt plate at the top of the second standard tower is inserted into the inner tower connecting piece and the outer tower connecting piece, and the bottom of the inner tower connecting piece and the outer tower connecting piece are connected with the splice plate, so that the first standard tower and the second standard tower are connected by utilizing the inner tower connecting piece and the outer tower connecting piece, and further, the number of connecting pins can be reduced by utilizing the connecting mode that the pins are matched with the bolts, the connecting time between different standard towers is further reduced, the lifting and heightening efficiency of the suspended ceiling of the tower is improved, and the practical application is facilitated.

Drawings

FIG. 1 is a schematic perspective view of an inner tower and outer tower connection structure of an inner jacking tower crane;

FIG. 2 is a schematic diagram of an explosion structure of an inner tower connecting piece and a latch plate of an inner tower connecting structure of an inner jacking tower crane;

FIG. 3 is a schematic view of an inner tower connecting piece and an outer tower connecting piece of an inner tower connecting structure of an inner jacking type tower crane;

FIG. 4 is an enlarged view of the connection structure of the inner tower and the outer tower of the inner jacking type tower crane shown in FIG. 1A;

FIG. 5 is an enlarged view of the connection structure of the inner tower and the outer tower of the inner jacking type tower crane shown in FIG. 2B;

fig. 6 is an enlarged view of a portion C in fig. 1 of an inner tower-outer tower connection structure of an inner jacking type tower crane according to the present utility model.

Legend description: 1. a first standard tower; 2. a first angle steel; 3. a second angle steel; 4. a third angle steel; 5. an inner tower connecting piece and an outer tower connecting piece; 6. rectangular grooves; 7. a first through hole; 8. a second through hole; 9. a latch plate; 10. a pin shaft; 11. a first connection hole; 12. splice plates; 13. a second connection hole; 14. and a second standard tower.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present utility model. The components of the embodiments of the present utility model generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present utility model, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

The utility model will be further described with reference to the drawings and the specific embodiments

Example 1

As shown in fig. 1 to 6, the present utility model provides a technical solution: including first standard pylon 1, second standard pylon 14, inside and outside tower connecting piece 5, bolt board 9 and splice plate 12, first standard pylon 1 sets up in the inside of second standard pylon 14, the equal fixedly connected with splice plate 12 in four corners at second standard pylon 14 and first standard pylon 1 top, the equal fixedly connected with bolt board 9 in four corners at first standard pylon 1 middle part, the four corners at second standard pylon 14 top and first standard pylon 1 middle part are provided with inside and outside tower connecting piece 5, bolt board 9 and splice plate 12 pass through inside and outside tower connecting piece 5 swing joint.

In this embodiment, when the tower crane is spliced, the first standard tower 1 is placed at the top of the second standard tower 14, and meanwhile, the latch plate 9 at the top of the second standard tower 14 is inserted into the inner and outer tower connecting pieces 5, and the bottom of the inner and outer tower connecting pieces 5 is connected with the splice plate 12, so that the first standard tower 1 and the second standard tower 14 are connected by using the inner and outer tower connecting pieces 5, and further, the number of connecting pins can be reduced by using a pin shaft to match with a pin connection mode, the connection time between different standard towers is further reduced, the lifting efficiency of the tower suspended ceiling is improved, and the practical application is facilitated.

Example 2

As shown in fig. 1-6, two rectangular grooves 6 are formed in the inner part of the inner and outer tower connecting piece 5, first through holes 7 are formed in two sides of the inner and outer tower connecting piece 5, the first through holes 7 are communicated with the rectangular grooves 6, the tops of the bolt plates 9 penetrate through the corresponding rectangular grooves 6 and extend to the tops of the inner and outer tower connecting pieces 5, the bolt plates 9 at the tops of the second standard towers 14 are inserted into the rectangular grooves 6 when the first standard towers 1 and the second standard towers 14 are connected through the rectangular grooves 6, meanwhile, the first through holes 7 are formed, connection with the bolt plates 9 is facilitated, and the bolt plates 9 at the tops of the second standard towers 14 are inserted into the rectangular grooves 6 when the first standard towers 1 and the second standard towers 14 are connected through the rectangular grooves 6, and meanwhile, the first through holes 7 are formed, so that connection with the bolt plates 9 is facilitated.

Wherein, first connecting hole 11 has all been seted up to one side of bolt board 9, and first connecting hole 11 flushes with first through-hole 7.

Wherein, one side of the splice plate 12 is provided with a second connecting hole 13, two sides of the bottom of the inner tower connecting piece 5 are provided with a second through hole 8, and the second through hole 8 is flush with the second connecting hole 13

Wherein, the pin shafts 10 are arranged in the first through holes 7 and the corresponding first connecting holes 11 and the second through holes 8 and the corresponding second connecting holes 13, one end of the pin shaft 10 is provided with a bolt, and the pin shaft 10 sequentially passes through the first through holes 7 and the corresponding first connecting holes 11 and the second through holes 8 and the corresponding second connecting holes 13, so that the inner tower connecting piece 5 is connected with the splice plate 12 and the bolt plate 9 by utilizing the matching of the pin shafts 10 and the bolts.

Wherein, first standard pylon 1 and second standard pylon 14 are by cuboid steel frame construction constitution, equal equidistance fixedly connected with first angle steel 2 between two liang of pillars of first standard pylon 1 and second standard pylon 14, equal fixedly connected with second angle steel 3 and third angle steel 4 between two adjacent first angle steels 2, through setting up first angle steel 2 between two liang of pillars of first standard pylon 1 and second standard pylon 14, second angle steel 3 and third angle steel 4, and form triangular structure between first angle steel 2 and second angle steel 3 and the third angle steel 4, thereby strengthen the stability of first standard pylon 1 and second standard pylon 14.

Working principle: when the tower crane is spliced, the first standard tower 1 is placed on the top of the second standard tower 14, meanwhile, the latch plate 9 on the top of the second standard tower 14 is inserted into the inner tower connecting piece 5, the first connecting hole 11 is flush with the first through hole 7, then the pin shaft 10 passes through the first connecting hole 11 and the first through hole 7, and meanwhile, a latch is inserted into one end of the pin shaft 10, so that the inner tower connecting piece 5 is connected with the latch plate 9, and at the moment, the second connecting hole 13 on one side of the splice plate 12 is flush with the second through hole 8 on one side of the inner tower connecting piece 5, then the pin shaft 10 passes into the second through hole 8 and the second connecting hole 13, and meanwhile, a latch is inserted into one end of the pin shaft 10, so that the inner tower connecting piece 5 is connected with the splice plate 12, and the first standard tower 1 and the second standard tower 14 are further fixed.

Finally, it should be noted that: the embodiments described above are only for illustrating the technical solution of the present utility model, and are not limiting; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced with equivalents; such modifications and substitutions do not depart from the spirit of the utility model.

Claims (6)

1. The utility model provides an interior tower connection structure of interior jacking formula tower crane, includes first standard pylon (1), second standard pylon (14), interior outer tower connecting piece (5), bolt board (9) and splice plate (12), its characterized in that: the utility model discloses a tower structure, including first standard pylon (1), second standard pylon (14), splice plate (12) are all fixedly connected with in the four corners at second standard pylon (14) and first standard pylon (1) top, the four corners at first standard pylon (1) middle part is all fixedly connected with bolt board (9), the four corners at second standard pylon (14) top and first standard pylon (1) middle part are provided with interior outer tower connecting piece (5), bolt board (9) and splice plate (12) are through interior outer tower connecting piece (5) swing joint.

2. The inner and outer tower connection structure of an inner jacking type tower crane according to claim 1, wherein: the inside of inside and outside tower connecting piece (5) begins to have two rectangle grooves (6), first through-hole (7) have all been seted up to the both sides of inside and outside tower connecting piece (5), first through-hole (7) all communicate with each other with rectangle groove (6), the top of bolt board (9) runs through corresponding rectangle groove (6) and extends to the outside of inside and outside tower connecting piece (5).

3. The inner and outer tower connection structure of an inner jacking type tower crane according to claim 1, wherein: a first connecting hole (11) is formed in one side of the bolt plate (9), and the first connecting hole (11) is flush with the first through hole (7).

4. An inner tower and outer tower connecting structure of an inner jacking tower crane according to claim 3, wherein: second connecting holes (13) are formed in one side of the splice plate (12), second through holes (8) are formed in two sides of the bottom of the inner tower connecting piece (5), and the second through holes (8) are flush with the second connecting holes (13).

5. The inner and outer tower connection structure of the inner jacking type tower crane according to claim 4, wherein: the pin shafts (10) are arranged in the first through holes (7) and the corresponding first connecting holes (11) and the second through holes (8) and the corresponding second connecting holes (13), and one end of each pin shaft (10) is provided with a pin.

6. The inner and outer tower connection structure of an inner jacking type tower crane according to claim 1, wherein: the first standard tower (1) and the second standard tower (14) are composed of cuboid steel frame structures, first angle steels (2) are fixedly connected between two supports of the first standard tower (1) and the second standard tower (14) at equal intervals, and second angle steels (3) and third angle steels (4) are fixedly connected between two adjacent first angle steels (2).

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