CN218320405U

CN218320405U - Tower crane structure

Info

Publication number: CN218320405U
Application number: CN202222750133.3U
Authority: CN
Inventors: 沙海滨; 赵惊涛; 孙伟
Original assignee: Liaoning Jun Feng Machinery Manufacturing Co ltd
Current assignee: Liaoning Jun Feng Machinery Manufacturing Co ltd
Priority date: 2022-10-19
Filing date: 2022-10-19
Publication date: 2023-01-17
Anticipated expiration: 2032-10-19

Abstract

The utility model discloses a tower machine structure, include: the tower machine main part, the jib loading boom, the balance arm level sets up the upper portion in tower machine main part, the jib loading boom, the balance arm passes through top of the tower cable and tower machine main part swing joint, the jib loading boom includes a plurality of cross-sections for triangle-shaped's first armlet, the second armlet, a plurality of first armlet, second armlet pin joint, first armlet, the second armlet includes upper chord or pull rod, lower chord, the web member, connect, a plurality of web members respectively with upper chord or pull rod, lower chord fixed connection, connect and set up the both ends at upper chord or pull rod, the distance of hoist and tower machine main part is 47500mm. The utility model discloses improve the crane boom frame on former jib loading boom basis, enlarged the application range of tower machine, add new competition point for tower machine series product. The utility model discloses simple structure, the operation is nimble, and is fast and steady, lifts by crane the radius bigger, and it is more convenient to use, moves safelyr, is fit for complicated building site construction.

Description

Tower crane structure

Technical Field

The utility model relates to a tower machine equipment technical field, in particular to tower machine structure.

Background

As key equipment in the capital construction process, the working condition of the tower crane directly influences the safety and reliability of building products. With the continuous development of the building market, the requirements on various building machines are more and more, and the requirements are different, and the requirements on the length of the arm support of the tower crane and the lifting weight are also different. In order to meet market demands, the structure and the length of a crane boom are modified on the basis of the original 6023, a section of crane boom is added, the maximum lifting capacity of the tower crane is 10t and the maximum working amplitude is 65m after adjustment, and the working amplitudes of 60m, 55m, 50m, 45m, 40m, 35m, 30m and the like can be realized by changing the assembly form of the crane boom sections; not only increase the product type of company, and the tower machine operation is more stable, and is safer, and the tower machine after the improvement can add new competition point for tower machine series product.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to provide a simple structure, operate steadily, it is bigger to lift by crane the radius, and it is bigger to lift by crane weight, and it is more convenient to use, moves safer tower machine structure.

In order to solve the technical problem, the technical scheme of the utility model is that:

a tower crane structure comprising: the tower crane comprises a tower crane body, a crane boom and a balance arm, wherein the balance arm and the crane boom are horizontally arranged on the upper portion of the tower crane body, the balance arm and the crane boom are movably connected with the tower crane body through a tower top inhaul cable, the crane boom comprises a plurality of first arm sections and second arm sections, the cross sections of the first arm sections and the second arm sections are triangular, the first arm sections and the second arm sections are connected through pin shafts, each first arm section and each second arm section comprises an upper chord or a pull rod, a lower chord, a web member and a joint, the web members are arranged between the upper chord or the pull rod and the lower chord, the web members are multiple, the web members are respectively and fixedly connected with the upper chord or the pull rod and the lower chord, the joints are arranged at two end portions of the upper chord or the pull rod, one end portions of the joints are fixedly connected with the upper chord or the pull rod, two end portions of the lower chord are provided with pin holes, lifting points are arranged on the crane boom, and the distance between the lifting point and the tower crane body is 47500mm.

In the structure, the pull rod further comprises an ear plate, the ear plate is arranged in the middle of the pull rod, the pull rod is fixedly connected with the ear plate, the middle of the ear plate is provided with a pin hole, and the front side and the rear side of the ear plate are both provided with reinforcing plates.

In the structure, the pull rod is made of 60mm round steel, and the length of the pull rod is 3288mm.

In the structure, the joint comprises a left side joint and a right side joint, the left side joint and the right side joint are respectively and fixedly connected with the upper chord or the pull rod, and pin holes and positioning grooves are formed in the left side joint and the right side joint.

In the structure, the length of the first arm section is 10000mm, the length of the second arm section is 50000mm, and the second arm section is arranged in the middle of the cargo boom.

In the structure, the upper chord is a phi 80mm circular steel pipe, the lower chord is a 77 x 77mm square pipe formed by splicing and welding angle steels of 70 x 8mm, and the upper chord and the lower chord are both made of Q345C.

In the above configuration, the web members are circular steel pipes of Φ 70 × 5mm, and the material of the web members is 20# steel.

In the structure, the tower crane main body comprises a plurality of standard knots and a sleeve frame, the standard knots are vertically arranged from bottom to top, and the sleeve frame is movably arranged on the outer side of the standard knots.

The beneficial effects of the utility model reside in that:

the utility model discloses improve the extension with the jib loading boom on former jib loading boom basis to optimize the structure of jib loading boom, can realize working amplitude such as 60m, 55m, 50m, 45m, 40m, 35m and 30m through the matched stack form that changes the jib loading boom festival, increase the product type of company after the adjustment, enlarged the application range of tower machine, the utility model discloses a tower machine series product adds new competition point. The utility model discloses simple structure, the operation is nimble, steady, fast, it is bigger to lift by crane the radius, and it is more convenient to use, moves safelyr, is fit for complicated building site construction.

Drawings

Fig. 1 is a schematic structural diagram of an embodiment of a tower crane structure of the present invention;

fig. 2 is a schematic structural view of a second arm section in an embodiment of a tower crane structure of the present invention;

fig. 3 is the utility model relates to a structural schematic diagram of pull rod in tower machine structural embodiment.

In the figure, 1-tower crane body, 2-cargo boom, 3-balance arm, 4-tower top guy cable, 5-first arm section, 6-second arm section, 7-upper chord, 8-tie rod, 9-lower chord, 10-web member, 11-joint, 12-ear plate, 13-standard section and 14-frame.

Detailed Description

The following description will further explain embodiments of the present invention with reference to the drawings. It should be noted that the description of the embodiments is provided to help understanding of the present invention, but the present invention is not limited thereto. In addition, the technical features related to the embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.

As shown in fig. 1-3, a tower crane structure comprises: the tower crane comprises a tower crane body 1, a cargo boom 2, a cargo boom 3, a balance arm 3, the cargo boom 2 is horizontally arranged on the upper portion of the tower crane body 1, the balance arm 3, the cargo boom 2 is movably connected with the tower crane body 1, the balance arm 3 and the cargo boom 2 are movably connected with the tower crane body 1 through a tower top inhaul cable 4, the cargo boom 2 comprises a plurality of first arm sections 5 with triangular cross sections and second arm sections 6, the first arm sections 5 and the second arm sections 6 are in pin connection, each first arm section 5 and each second arm section 6 comprises an upper chord 7 or a pull rod 8, a lower chord 9, a web member 10 and a joint 11, the web members 10 are arranged between the upper chord 7 or the pull rod 8 and the lower chord 9, the web members 10 are in a plurality, the web members 10 are respectively fixedly connected with the upper chord 7 or the pull rod 8 and the lower chord 9, the joint 11 is arranged at two end portions of the upper chord 7 or the pull rod 8, pin holes are formed at two ends of the lower chord 9, a lifting point is arranged on the cargo boom 2, and the lifting point 1 is 500mm away from the tower crane body 471.

Specifically, in this embodiment, the first arm section 5 is matched with the second arm section 6, the first arm section 5 and the second arm section 6 are arranged along the length direction of the upper chord 7 or the pull rod 8, and the first arm section 5 and the second arm section 6 are movably connected through a pin shaft.

The utility model discloses in the preferred embodiment, still include otic placode 12, otic placode 12 sets up in the middle part of pull rod 8, pull rod 8 and otic placode 12 fixed connection, and the middle part of otic placode 12 is equipped with the pinhole, and the front side and the rear side of otic placode 12 all are equipped with the reinforcing plate.

Specifically, in this embodiment, the reinforcing plate is welded to the ear plate 12, and the pin hole in the middle of the ear plate 12 is matched with the pin shaft.

In the preferred embodiment of the present invention, the pull rod 8 is made of round steel with a diameter of 60mm, the length of the pull rod 8 is 3288mm, and the weight of the pull rod 8 is about 95kg.

The utility model discloses in the preferred embodiment, connect 11 including left side joint, right side joint, left side joint, right side joint respectively with last chord 7 or pull rod 8 fixed connection, left side joint, right side joint all are equipped with pinhole, constant head tank.

Specifically, in this embodiment, the left side joint and the right side joint are disposed at two ends of the upper chord 7 or the pull rod 8, and the left side joint and the right side joint are welded to the upper chord 7 or the pull rod 8 respectively.

In the preferred embodiment of the present invention, the length of the first arm section 5 is 10000mm, the length of the second arm section 6 is 50000mm, and the second arm section 6 is disposed at the middle position of the crane arm 2.

Specifically, in this embodiment, the first arm section 5 and the second arm section 6 are standard parts.

The utility model discloses in the embodiment of preferred, upper chord 7 is the circular steel pipe of phi 80mm, and lower chord 9 is by 70 x 8mm angle steel tailor-welded 77 x 77 mm's side's pipe, and upper chord 7, lower chord 8's material are Q345C.

In the preferred embodiment of the present invention, the web members 10 are round steel pipes with a diameter of 70 × 5mm, and the material of the web members 10 is 20# steel.

The utility model discloses in the preferred embodiment, tower machine main part 1 includes standard festival 13, cover frame 14, and standard festival 13 is a plurality of, and a plurality of standard festival 13 are vertical setting from bottom to top, and the activity of cover frame 14 sets up the outside at standard festival 13.

Specifically, in this embodiment, the tower crane main body 1 further includes a control device, a lifting hook, a swing mechanism, a luffing mechanism, and a hoisting mechanism.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. 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 invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; the connection can be mechanical connection or electrical connection; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the described embodiments. It will be apparent to those skilled in the art that various changes, modifications, substitutions and alterations can be made in the embodiments without departing from the principles and spirit of the invention, and these embodiments are still within the scope of the invention.

Claims

1. A tower crane structure, comprising: the tower crane comprises a tower crane body, a crane boom and a balance arm, wherein the crane boom and the balance arm are horizontally arranged on the upper part of the tower crane body, the crane boom and the balance arm are movably connected with the tower crane body through a tower top inhaul cable, the crane boom comprises a plurality of first arm sections and second arm sections, the cross sections of the first arm sections and the second arm sections are triangular, the first arm sections and the second arm sections are connected through pin shafts, each first arm section and each second arm section comprises an upper chord or a pull rod, a lower chord, a web member and a joint, the web members are arranged between the upper chord or the pull rod and the lower chord, the web members are multiple, the web members are respectively and fixedly connected with the upper chord or the pull rod and the lower chord, the joints are arranged at two ends of the upper chord or the pull rod, one ends of the joints are fixedly connected with the upper chord or the pull rod, two ends of the lower chord are provided with pin holes, lifting points are arranged on the crane boom, and the distance between the lifting points and the tower crane body is 47500mm.

2. The tower crane structure as claimed in claim 1, further comprising an ear plate, wherein the ear plate is arranged in the middle of the pull rod, the pull rod is fixedly connected with the ear plate, a pin hole is formed in the middle of the ear plate, and reinforcing plates are arranged on the front side and the rear side of the ear plate.

3. The tower crane structure as claimed in claim 1, wherein the tie rods are made of Φ 60 round steel, and the length of the tie rods is 3288mm.

4. The tower crane structure as claimed in claim 1, wherein the joint comprises a left side joint and a right side joint, the left side joint and the right side joint are respectively and fixedly connected with the upper chord or the pull rod, and the left side joint and the right side joint are respectively provided with a pin hole and a positioning groove.

5. The tower crane structure as claimed in claim 1, wherein the first arm section is 10000mm long, the second arm section is 50000mm long, and the second arm section is arranged in the middle of the crane arm.

6. The tower crane structure according to claim 1, wherein the upper chord is a round steel pipe with a diameter of phi 80mm, the lower chord is a square pipe with a diameter of 77 x 77mm formed by splicing and welding angle steels with a diameter of 70 x 8mm, and the upper chord and the lower chord are both made of Q345C.

7. The tower crane structure as claimed in claim 1, wherein the web members are circular steel pipes of phi 70 x 5mm, and the material of the web members is 20# steel.

8. The tower crane structure as claimed in claim 1, wherein the tower crane main body comprises a plurality of standard knots and a jacket frame, the plurality of standard knots are vertically arranged from bottom to top, and the jacket frame is movably arranged at the outer side of the standard knots.