CN216836873U - Tower crane steel structure with height adjusting function - Google Patents
Tower crane steel structure with height adjusting function Download PDFInfo
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- CN216836873U CN216836873U CN202123091698.7U CN202123091698U CN216836873U CN 216836873 U CN216836873 U CN 216836873U CN 202123091698 U CN202123091698 U CN 202123091698U CN 216836873 U CN216836873 U CN 216836873U
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- tower crane
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Abstract
The utility model relates to a tower crane steel structure with height adjusting function, which comprises two supporting plates arranged up and down, wherein the supporting plates are horizontally arranged, and a lifting structure is arranged between the two supporting plates; the lifting structure comprises a vertically arranged screw rod and at least three connecting assemblies, the bottom end of the screw rod is driven by a driving motor, the driving motor is arranged on a supporting plate below the screw rod, a sliding block is connected to the screw rod in a threaded manner, and the connecting assemblies are uniformly distributed in the circumferential direction by taking the axis of the screw rod as the center; this tower crane steel construction with altitude mixture control function, it can realize the altitude mixture control of tower crane through control driving motor and electro-magnet, and easy operation is convenient, has improved work efficiency.
Description
Technical Field
The utility model relates to a tower crane steel construction with altitude mixture control function belongs to steel construction technical field.
Background
The tower crane is the most common hoisting equipment on the construction site, and is lengthened (raised) section by section like an iron tower, so the tower crane is also called as a tower crane.
When the height of the existing tower crane exceeds the free height of the tower crane in the working process of the existing tower crane, the height of a hoisting wall on the tower crane needs to be adjusted by increasing or reducing a steel structure, the operation is complex, and the working efficiency is reduced.
Therefore, a tower crane steel structure with a height adjusting function is needed.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is: in order to overcome the defects of the prior art, a tower crane steel structure with a height adjusting function is provided.
The utility model provides a technical scheme that above-mentioned problem adopted does: a tower crane steel structure with a height adjusting function comprises two supporting plates which are arranged up and down, wherein the supporting plates are horizontally arranged, and a lifting structure is arranged between the two supporting plates;
the lifting structure comprises a vertically arranged screw rod and at least three connecting assemblies, the bottom end of the screw rod is driven by a driving motor, the driving motor is arranged on a supporting plate below the screw rod, a sliding block is connected to the screw rod in a threaded manner, and the connecting assemblies are uniformly distributed in the circumferential direction by taking the axis of the screw rod as the center;
the connecting assembly comprises a fixed pipe, a lifting pipe and a locking unit, the fixed pipe is vertically arranged on a supporting plate below the fixed pipe, the lifting pipe and the fixed pipe are coaxially arranged, the lifting pipe is arranged on the supporting plate above the lifting pipe, the top end of the fixed pipe is movably inserted into the lifting pipe, the lifting pipe is fixedly connected with a sliding block, and the locking unit is arranged in the lifting pipe;
the locking unit comprises a moving part and two locking parts, and the two locking parts are uniformly distributed by taking the axis of the fixed pipe as a central axis;
the locking component comprises a locking rod and at least two locking holes, the locking holes are vertically and uniformly arranged on the lifting pipe, the axis of the locking rod is perpendicular to and intersected with the axis of the fixed pipe, the locking rod is movably arranged on the fixed pipe in a penetrating mode, the locking rod penetrates through one locking hole, and one end, close to the axis of the fixed pipe, of the locking rod is connected with the moving component;
the movable part includes lifter plate, electro-magnet and two connecting rods, the lifter plate level sets up in the fixed tube, the lifter plate is located the below of check lock lever, the inner wall fixed connection of electro-magnet and fixed tube, the electro-magnet is located the lifter plate under, be equipped with the clearance between electro-magnet and the lifter plate, the preparation material of lifter plate is iron, the lifter plate passes through the spring and fixes the inner wall connection of managing, the connecting rod slope sets up, connecting rod and check lock lever one-to-one, the check lock lever passes through the connecting rod and is articulated with the lifter plate, the distance that is close to between one end of check lock lever and the fixed tube axis of connecting rod is greater than the distance between the other end of connecting rod and the fixed tube axis.
As preferred, all fixedly on each locking lever be provided with the stopper, the stopper supports with the inner wall of fixed pipe and leans on.
Preferably, the limiting block is made of rubber.
Preferably, the outer diameter of the fixed tube is equal to the inner diameter of the elevator tube.
Preferably, the lifting pipe and the sliding block are of an integrally formed structure.
Compared with the prior art, the utility model has the advantages of:
the utility model relates to a tower crane steel construction with altitude mixture control function, it can realize the altitude mixture control of tower crane through control driving motor and electro-magnet, and easy operation is convenient, has improved work efficiency.
Drawings
FIG. 1 is a schematic view of an installation structure of a tower crane steel structure with height adjustment function of the present invention;
FIG. 2 is a schematic view of the lifting structure of a tower crane steel structure with height adjustment function of the present invention;
fig. 3 is an enlarged view of a portion a of fig. 2.
Wherein: 1. the lifting device comprises a supporting plate, 2 lead screws, 3 driving motors, 4 sliding blocks, 5 fixing pipes, 6 lifting pipes, 7 locking rods, 8 locking holes, 9 lifting plates, 10 electromagnets, 11 connecting rods, 12 springs, 13 limiting blocks, 14 control chambers, 15 balance arms, 16 lifting walls and 17 lifting devices.
Detailed Description
As shown in fig. 1 to 3, the tower crane steel structure with the height adjusting function in the embodiment includes two support plates 1 arranged up and down, the support plates 1 are horizontally arranged, and a lifting structure is arranged between the two support plates 1;
the lifting structure comprises a vertically arranged screw rod 2 and at least three connecting assemblies, the bottom end of the screw rod 2 is driven by a driving motor 3, the driving motor 3 is arranged on a supporting plate 1 below the screw rod 2, a sliding block 4 is connected to the screw rod 2 in a threaded manner, and the connecting assemblies are uniformly distributed in the circumferential direction by taking the axis of the screw rod 2 as the center;
the connecting assembly comprises a fixed pipe 5, an elevating pipe 6 and a locking unit, wherein the fixed pipe 5 is vertically arranged on a supporting plate 1 below the fixed pipe 5, the elevating pipe 6 and the fixed pipe 5 are coaxially arranged, the elevating pipe 6 is arranged on the supporting plate 1 above the elevating pipe 6, the top end of the fixed pipe 5 is movably inserted into the elevating pipe 6, the elevating pipe 6 is fixedly connected with a sliding block 4, and the locking unit is arranged in the elevating pipe 6;
the locking unit comprises a moving part and two locking parts, and the two locking parts are uniformly distributed by taking the axis of the fixed pipe 5 as a central axis;
the locking component comprises a locking rod 7 and at least two locking holes 8, the locking holes 8 are vertically and uniformly arranged on the lifting pipe 6, the axis of the locking rod 7 is perpendicular to and intersected with the axis of the fixed pipe 5, the locking rod 7 is movably arranged on the fixed pipe 5 in a penetrating mode, the locking rod 7 penetrates through one locking hole 8, and one end, close to the axis of the fixed pipe 5, of the locking rod 7 is connected with the moving component;
the movable part includes lifter plate 9, electro-magnet 10 and two connecting rods 11, lifter plate 9 level sets up in fixed pipe 5, lifter plate 9 is located the below of check lock lever 7, the inner wall fixed connection of electro-magnet 10 and fixed pipe 5, electro-magnet 10 is located lifter plate 9 under, be equipped with the clearance between electro-magnet 10 and the lifter plate 9, lifter plate 9's preparation material is iron, lifter plate 9 passes through spring 12 and fixed pipe 5's inner wall connection, the slope of connecting rod 11 sets up, connecting rod 11 and check lock lever 7 one-to-one, check lock lever 7 is articulated with lifter plate 9 through connecting rod 11, the distance between the one end that is close to check lock lever 7 of connecting rod 11 and fixed pipe 5 axis is greater than the distance between the other end of connecting rod 11 and the fixed pipe 5 axis.
When the tower crane is installed, a plurality of steel structures are vertically stacked and fixedly connected, a control room 14 of the tower crane, a balance arm 15, a hoisting wall 16 and a hoisting device 17 are arranged at the top of the steel structure at the top, when the free height of the tower crane needs to be adjusted, an electromagnet 10 is electrified, an interaction attraction force is generated between the electromagnet 10 and an iron lifting plate 9, so that the lifting plate 9 descends, a spring 12 deforms, the descending of the lifting plate 9 drives a locking rod 7 to move towards the direction close to the axis of a fixed pipe 5 through a connecting rod 11, the locking rod 7 is separated from a locking hole 8, then a driving motor 3 is started, a screw rod 2 rotates, the rotation of the screw rod 2 drives a sliding block 4 to ascend and descend on the screw rod 2, the ascending and descending of the sliding block 4 drives an ascending and descending pipe 6 to ascend and descend on the fixed pipe 5, the ascending and descending of the ascending and descending pipe 6 drives a supporting plate 1 above to ascend and descend, so that the distance between the two supporting plates 1 can be adjusted, can be in order to adjust the tower crane height, altitude mixture control finishes the back, driving motor 3 bring to rest to make electro-magnet 10 outage, through spring 12's elastic action, then can make lifter plate 9 rise, lifter plate 9's rising drives locking lever 7 reverse movement through connecting rod 11, and locking lever 7 inserts in one of them locking hole 8 in time, realizes the lock between two backup pads 1 and dies.
Preferably, each locking rod 7 is fixedly provided with a limiting block 13, and the limiting blocks 13 abut against the inner wall of the fixed pipe 5.
Preferably, the stopper 13 is made of rubber.
Preferably, the outer diameter of the fixed tube 5 is equal to the inner diameter of the elevator tube 6.
Preferably, the elevator tube 6 and the slider 4 are integrally formed.
In addition to the above embodiments, the present invention also includes other embodiments, and all technical solutions formed by equivalent transformation or equivalent replacement should fall within the protection scope of the claims of the present invention.
Claims (5)
1. The utility model provides a tower crane steel construction with altitude mixture control function which characterized in that: the lifting device comprises two supporting plates (1) which are arranged up and down, wherein the supporting plates (1) are horizontally arranged, and a lifting structure is arranged between the two supporting plates (1);
the lifting structure comprises a vertically arranged screw rod (2) and at least three connecting assemblies, the bottom end of the screw rod (2) is driven by a driving motor (3), the driving motor (3) is arranged on a supporting plate (1) below, a sliding block (4) is in threaded connection with the screw rod (2), and the connecting assemblies are circumferentially and uniformly distributed by taking the axis of the screw rod (2) as a center;
the connecting assembly comprises a fixed pipe (5), a lifting pipe (6) and a locking unit, the fixed pipe (5) is vertically arranged on a supporting plate (1) below the fixed pipe, the lifting pipe (6) and the fixed pipe (5) are coaxially arranged, the lifting pipe (6) is arranged on the supporting plate (1) above the lifting pipe, the top end of the fixed pipe (5) is movably inserted into the lifting pipe (6), the lifting pipe (6) is fixedly connected with a sliding block (4), and the locking unit is arranged in the lifting pipe (6);
the locking unit comprises a moving part and two locking parts, and the two locking parts are uniformly distributed by taking the axis of the fixed pipe (5) as a central axis;
the locking component comprises a locking rod (7) and at least two locking holes (8), the locking holes (8) are vertically and uniformly arranged on the lifting pipe (6), the axis of the locking rod (7) is perpendicular to and intersected with the axis of the fixed pipe (5), the locking rod (7) is movably arranged on the fixed pipe (5) in a penetrating mode, the locking rod (7) penetrates through one locking hole (8), and one end, close to the axis of the fixed pipe (5), of the locking rod (7) is connected with the moving component;
the movable part comprises a lifting plate (9), an electromagnet (10) and two connecting rods (11), the lifting plate (9) is horizontally arranged in a fixed pipe (5), the lifting plate (9) is located below a locking rod (7), the inner wall of the electromagnet (10) is fixedly connected with the fixed pipe (5), the electromagnet (10) is located under the lifting plate (9), a gap is formed between the electromagnet (10) and the lifting plate (9), the manufacturing material of the lifting plate (9) is iron, the lifting plate (9) is connected with the inner wall of the fixed pipe (5) through a spring (12), the connecting rods (11) are obliquely arranged, the connecting rods (11) are in one-to-one correspondence with the locking rods (7), the locking rods (7) are hinged with the lifting plate (9) through the connecting rods (11), and the distance between one end of the connecting rods (11) close to the locking rods (7) and the axis of the fixed pipe (5) is larger than the other end of the connecting rods (11) and the axis of the fixed pipe (5) The distance between the lines.
2. The tower crane steel structure with the height adjusting function according to claim 1, characterized in that: all fixedly on each locking lever (7) be provided with stopper (13), stopper (13) support with the inner wall of fixed pipe (5) and lean on.
3. The tower crane steel structure with the height adjusting function according to claim 2, characterized in that: the limiting block (13) is made of rubber.
4. The tower crane steel structure with the height adjusting function according to claim 1, characterized in that: the outer diameter of the fixed tube (5) is equal to the inner diameter of the lifting tube (6).
5. The tower crane steel structure with the height adjusting function according to claim 1, characterized in that: the lifting pipe (6) and the sliding block (4) are of an integrally formed structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123091698.7U CN216836873U (en) | 2021-12-10 | 2021-12-10 | Tower crane steel structure with height adjusting function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123091698.7U CN216836873U (en) | 2021-12-10 | 2021-12-10 | Tower crane steel structure with height adjusting function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216836873U true CN216836873U (en) | 2022-06-28 |
Family
ID=82105919
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123091698.7U Active CN216836873U (en) | 2021-12-10 | 2021-12-10 | Tower crane steel structure with height adjusting function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216836873U (en) |
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2021
- 2021-12-10 CN CN202123091698.7U patent/CN216836873U/en active Active
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