CN215548474U

CN215548474U - Rotary connection structure of tower crane

Info

Publication number: CN215548474U
Application number: CN202122140351.0U
Authority: CN
Inventors: 包顺国; 蔡佳良; 包月皓
Original assignee: Chongqing Dungong Machinery Manufacturing Co ltd
Current assignee: Chongqing Dungong Machinery Manufacturing Co ltd
Priority date: 2021-09-06
Filing date: 2021-09-06
Publication date: 2022-01-18
Anticipated expiration: 2031-09-06

Abstract

The utility model discloses a rotary connection structure of a tower crane, which comprises a first positioning unit, a second positioning unit and a supporting unit, wherein the first positioning unit is connected with the second positioning unit through a first connecting rod; the first positioning unit comprises a first base, a first air cylinder is arranged at the upper end of the first base, a piston rod of the first air cylinder can movably penetrate through the first supporting seat to be connected with the outer side of the sliding seat, the first supporting seat is connected with the first base, the second positioning unit comprises a second base, the supporting unit is located between the first positioning unit and the second positioning unit, a first brake wheel is arranged at the lower end of the supporting unit, a movable supporting plate is arranged at the upper end of the supporting unit, and the supporting plate is driven by a power unit arranged on the supporting unit to realize vertical displacement. The utility model is convenient for positioning and overturning the standard knot, can process different surfaces, reduces the labor intensity of operators, and improves the positioning stability and safety; the movable type electric heating cooker has the advantages of convenience in use, convenience in moving, wide applicability, low manufacturing cost, difficulty in damage and the like.

Description

Rotary connection structure of tower crane

Technical Field

The utility model relates to a rotating structure, in particular to a rotating connection structure of a tower crane.

Background

Tower cranes are also called tower cranes. And the movable arm is arranged on the rotary crane at the upper part of the high-rise tower body. The working space is large, and the device is mainly used for vertical and horizontal conveying of materials and installation of building components in building construction. Tower crane includes basic festival, strengthen constitutions such as festival and standard festival, processing standard festival, when processes such as restoration or reinforcement, current method is to place the standard festival on ground, operating personnel operates it afterwards, but because the difference of machined surface, thereby the both sides of standard festival are convenient for process, and the last lower surface then be not convenient for process, thereby it adjusts the machined surface to need rotate it, because the weight of basic festival is heavier, thereby need many operating personnel to pull it, not only physical demands is great, simultaneously can also have certain potential safety hazard at the in-process of pulling, if it lifts up through the driving a vehicle and carries out bottom surface processing, and stability is not good, and still can't solve the problem that can't process the top surface.

Therefore, those skilled in the art have endeavored to provide a tower crane rotation connection structure that can effectively solve the above technical problems.

SUMMERY OF THE UTILITY MODEL

In view of the above-mentioned drawbacks of the prior art, an object of the present invention is to provide a rotary connection structure for a tower crane, which can effectively solve the above-mentioned problems.

In order to achieve the above object, the present invention provides a rotary connection structure of a tower crane, comprising a first positioning unit, a second positioning unit and a supporting unit;

the first positioning unit comprises a first base, a first air cylinder is arranged at the upper end of the first base, a piston rod of the first air cylinder movably penetrates through a first supporting seat to be connected with the outer side of a sliding seat, the first supporting seat is connected with the first base, the lower end of the sliding seat is connected with the first base in a sliding mode, two ends of the sliding seat are connected with the first base through guide units, a first rotating plate is rotatably arranged on the inner side of the sliding seat, and a plurality of first positioning columns are arranged on the first rotating plate;

the second positioning unit comprises a second base, a motor is arranged at the upper end of the second base, an output shaft of the motor movably penetrates through the second supporting seat and is connected with the outer side of the second rotating plate, and a plurality of second positioning columns matched with the first positioning columns are arranged on the outer side of the second rotating plate;

the supporting unit is located between the first positioning unit and the second positioning unit, the lower end of the supporting unit is provided with a first brake wheel, the upper end of the supporting unit is provided with a movable supporting plate, and the supporting plate is driven by a power unit arranged on the supporting unit to realize vertical displacement.

Preferably, the first base and the second base are both provided with storage inner cavities, and the outer sides of the first base and the second base are both provided with box doors for closing and opening.

Preferably, the cross section of the first base and the cross section of the second base from top to bottom become larger gradually, the lower ends of the first base and the second base are provided with second brake wheels, and the first base and the second base are provided with handles.

Preferably, the first cylinder is connected with the first base through a first cylinder mounting seat, two parallel guide rails are arranged at the lower end of the sliding seat, at least two sliding blocks are slidably arranged on each guide rail, and each sliding block is connected with the lower end of the sliding seat.

Preferably, the guide unit includes two columns, a lower end of each column is connected to an upper end of the first base, each column is connected to the first base through two first guide rods, each first guide rod is slidably sleeved with a guide block, and each guide block is connected to the slide carriage;

the guide units on the two sides of the sliding seat have the same structure.

Preferably, a groove is formed in the outer side of the sliding seat, a piston rod of the first air cylinder extends into the groove and then is connected with the sliding seat, a notch is formed in the lower end of the groove, and the width of the notch is larger than the width of the first air cylinder mounting seat and the width of the first supporting seat.

Preferably, the four corners of the first rotating plate are respectively provided with an installation block, each installation block is detachably connected with the first rotating plate through a screw, each installation block is provided with two first positioning columns, and the connection mode of each second positioning column and the second rotating plate is the same as that of the first positioning column and the first rotating plate.

Preferably, the motor is arranged on the motor mounting seat, the two ends of the second supporting seat are provided with extension blocks, each extension block is connected with the upper end of the second base, and a first reinforcing block is arranged at an included angle between each extension block and the second base.

Preferably, the supporting unit comprises two positioning plates, a first brake wheel is arranged at the lower end of each positioning plate, a limiting groove is arranged at the upper end of each positioning plate, a guide plate is movably arranged in each limiting groove, the upper end of each guide plate is connected with the lower ends of the two sides of the supporting plate respectively, and two elongated adjusting openings penetrating through the limiting grooves are formed in the inner sides of the positioning plates; the inner side of each positioning plate is provided with a power unit;

the power unit includes the regulating plate, the inboard of regulating plate is provided with two connecting blocks, each the connecting block is mobilizable respectively passes each rectangular shape is adjusted the opening and is connected with the deflector, each regulating plate mobilizable cover respectively is established on each second guide bar, the upper end and the horizontal pole of second guide bar are connected, the both ends of horizontal pole are connected with each handrail respectively, the both ends of handrail respectively with each the locating plate is connected, the lower extreme and the fixed plate of second guide bar are connected, the fixed plate is connected with the inboard of locating plate, be provided with the second cylinder on the fixed plate, the piston rod of second cylinder with the lower extreme of regulating plate is connected.

Preferably, a plurality of second reinforcing blocks are arranged at the included angle between the fixing plate and the positioning plate, and the handrail and the supporting plate are detachably connected with the positioning plate and the guide plate through screws respectively.

The utility model has the beneficial effects that: the utility model is convenient for positioning and overturning the standard knot, can process different surfaces, reduces the labor intensity of operators, and improves the positioning stability and safety; the movable type electric heating cooker has the advantages of convenience in use, convenience in moving, wide applicability, low manufacturing cost, difficulty in damage and the like.

Drawings

Fig. 1 is a schematic structural diagram of an embodiment of the present invention.

Fig. 2 is a schematic structural diagram of a first positioning unit in the present invention.

Fig. 3 is a schematic structural view of the positioning plate of the present invention.

Fig. 4 is a schematic view of a connection structure of a support plate and a guide plate according to the present invention.

Detailed Description

The utility model is further illustrated by the following examples in conjunction with the accompanying drawings:

in the description of the present invention, it should be noted that the terms "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element 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 should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in fig. 1 to 4, 1 is a rotary connection structure of a tower crane, which is characterized in that: comprises a first positioning unit 1, a second positioning unit 2 and a supporting unit 3;

the first positioning unit 1 comprises a first base 5, a first air cylinder 6 is arranged at the upper end of the first base 5, a piston rod of the first air cylinder 6 movably penetrates through a first supporting seat 7 to be connected with the outer side of a sliding seat 8, the first supporting seat 7 is connected with the first base 5, the lower end of the sliding seat 8 is in sliding connection with the first base 5, two ends of the sliding seat 8 are connected with the first base 5 through guide units 9, a first rotating plate 10 is rotatably arranged on the inner side of the sliding seat 8, and a plurality of first positioning columns 11 are arranged on the first rotating plate 10;

the second positioning unit 2 comprises a second base 12, a motor 13 is arranged at the upper end of the second base 12, an output shaft of the motor 13 movably penetrates through a second supporting seat 15 and is connected with the outer side of a second rotating plate 16, and a plurality of second positioning columns 17 matched with the first positioning columns 11 are arranged on the outer side of the second rotating plate 16;

the supporting unit 3 is located between the first positioning unit 1 and the second positioning unit 2, a first brake wheel 18 is arranged at the lower end of the supporting unit 3, a movable supporting plate 19 is arranged at the upper end of the supporting unit 3, and the supporting plate 19 is driven by a power unit 20 arranged on the supporting unit 3 to realize vertical displacement.

First base 5 with second base 12 all is provided with the storing inner chamber, first base 5 with the outside of second base 12 all is provided with and is used for closing and the chamber door 21 opened. When in actual use, the box door 32 can be opened, parts or tools for operation are stored in the inner cavity of the storage box, so that the storage box is convenient to take and find, and is not easy to lose after being used up.

First base 5 with second base 12 is from last to lower cross section grow gradually, first base 5 with the lower extreme of second base 12 all is provided with second brake wheel 22, first base 5 with all be provided with handle 23 on the second base 12. By arranging the second brake wheel 22, on one hand, the first positioning unit and the second positioning unit can be conveniently moved, so that the work can be carried out in different places, and the practicability is wider; on the other hand, the distance between the first positioning unit and the second positioning unit can be adjusted, and the positioning device is suitable for positioning parts to be positioned with different sizes.

The first cylinder 6 is connected with the first base 5 through a first cylinder mounting seat 26, the lower end of the sliding base 8 is provided with two parallel guide rails 27, each guide rail 27 is provided with at least two sliding blocks 28 in a sliding manner, and each sliding block 28 is connected with the lower end of the sliding base 8.

In order to further improve the stability and prolong the service life, the guide unit 9 includes two columns 29, the lower end of each column 29 is connected with the upper end of the first base 5, each column 29 is connected through two first guide rods 30, each first guide rod 30 is slidably sleeved with a guide block 31, and each guide block 31 is connected with the sliding seat 8;

the guide units 9 on both sides of the slide 8 are identical in structure.

The outer side of the sliding seat 8 is provided with a groove 32, a piston rod of the first cylinder 6 extends into the groove 32 and then is connected with the sliding seat 8, the lower end of the groove 32 is provided with a notch 33, and the width of the notch 33 is larger than the width of the first cylinder mounting seat 26 and the width of the first supporting seat 7. By providing the groove 32, the weight of the sliding seat 8 is reduced, and at the same time, the groove 32 is matched with the notch 33, when the sliding seat 8 moves towards the first cylinder mounting seat 26, the first supporting seat 7 is located at the notch 33, so that the whole structure is more compact.

The four corners of the first rotating plate 10 are respectively provided with an installation block 35, each installation block 35 is detachably connected with the first rotating plate 10 through a screw, each installation block 35 is provided with two first positioning columns 11, and the connection mode of each second positioning column 17 and the second rotating plate 16 is the same as that of the first positioning column 11 and the first rotating plate 10. In the utility model, the mounting block 35 is detachably connected with the first rotating plate 10, so that the size and the number of the first positioning columns 11 can be conveniently changed according to actual needs, and meanwhile, the damaged positioning columns can be conveniently overhauled and replaced.

In order to improve the structural stability, the motor 13 is disposed on the motor mounting seat 36, the two ends of the second supporting seat 15 are both provided with extending blocks 37, each extending block 37 is connected with the upper end of the second base 12, and a first reinforcing block 38 is disposed at an included angle between each extending block 37 and the second base 12.

The supporting unit 3 comprises two positioning plates 39, a first brake wheel 18 is arranged at the lower end of each positioning plate 39, a limiting groove 50 is arranged at the upper end of each positioning plate 39, a guide plate 51 is movably arranged in each limiting groove 50, the upper end of each guide plate 51 is respectively connected with the lower ends of two sides of the supporting plate 19, and two elongated adjusting openings 52 penetrating through the limiting grooves 50 are formed in the inner sides of the positioning plates 39; the power unit 20 is arranged on the inner side of each positioning plate 39;

the power unit 20 comprises an adjusting plate 53, two connecting blocks are arranged on the inner side of the adjusting plate 53, each connecting block respectively movably penetrates through each elongated adjusting opening 52 and the guide plate 51, each adjusting plate 53 is respectively movably sleeved on each second guide rod 55, the upper end of each second guide rod 55 is connected with a cross rod 56, two ends of each cross rod 56 are respectively connected with each armrest 57, two ends of each armrest 57 are respectively connected with each positioning plate 39, the lower end of each second guide rod 55 is connected with a fixing plate 58, the fixing plate 58 is connected with the inner side of each positioning plate 39, a second air cylinder 59 is arranged on each fixing plate 58, and a piston rod of the second air cylinder 59 is connected with the lower end of the adjusting plate 53.

A plurality of second reinforcing blocks 60 are arranged at the included angle between the fixing plate 58 and the positioning plate 39, and the armrest 57 and the supporting plate 19 are detachably connected with the positioning plate 39 and the guide plate 51 through screws respectively.

When the tool is used, firstly, a workpiece (such as a basic section or a standard section) to be repaired or machined is placed on the supporting plate 19 through a crane or other tools, then a person holds the handrail 57 to push the supporting unit 3 to be between the first positioning unit 1 and the second positioning unit 2 until the cylindrical hole at one end of the workpiece is aligned with the second positioning column 17, pushes the supporting unit 3 towards the second positioning unit 2 until each second positioning column 17 is respectively inserted into the cylindrical hole of the workpiece, pushes the first rotating plate 10 towards the workpiece through the first air cylinder 6 until each first positioning column 11 is inserted into the cylindrical hole at one end of the workpiece close to the first positioning unit, positions two ends of the whole workpiece through the first positioning unit and the second positioning unit respectively, and supports the lower end of the workpiece to be machined by the supporting plate 3 in a fit manner (at this time, the lower end of the supporting plate 19 and each second positioning unit are respectively positioned), and the lower end of the workpiece is supported by the supporting plate 19 through the supporting plate 3 (at this time, the lower end of the supporting plate 19 and each second positioning unit are respectively positioned by the second positioning unit and the second positioning unit The upper end of the positioning plate 39 is separated), which not only improves the structural stability and safety, but also reduces the gravity borne by the first positioning unit and the second positioning unit, prolongs the service life, at the same time, the operator can repair or process the front and rear ends of the workpiece to be processed, after the processing is finished, the second cylinder 59 is started to drive the adjusting plate 53 to move downwards, the guide plate 51 drives the support plate 19 to move downwards while the adjusting plate 53 moves downwards, along with the downward movement of the support plate 19, the upper end of the support plate 19 is separated from the lower end of the workpiece to be processed, at the moment, the workpiece to be processed is supported by the first positioning unit and the second positioning unit, the support unit 3 is pushed open, the workpiece to be processed is rotated by hands or the motor 13 for 90 degrees (the upper and lower end surfaces and the front and rear end surfaces of the workpiece to be processed are exchanged in position), after the rotation is finished, the support unit 3 is pushed to the lower part of the workpiece to be processed, the second air cylinder 59 is started to push the supporting plate 19 upwards until the upper end of the supporting plate 19 is attached to a workpiece to be machined, and after machining and repairing are finished, the machined workpiece can be pushed to a position to be stored through the supporting unit 3.

The foregoing detailed description of the preferred embodiments of the utility model has been presented. It should be understood that numerous modifications and variations could be devised by those skilled in the art in light of the present teachings without departing from the inventive concepts. Therefore, the technical solutions available to those skilled in the art through logic analysis, reasoning and limited experiments based on the prior art according to the concept of the present invention should be within the scope of protection defined by the claims.

Claims

1. A tower crane swivelling joint structure, characterized by: comprises a first positioning unit (1), a second positioning unit (2) and a supporting unit (3);

the first positioning unit (1) comprises a first base (5), a first air cylinder (6) is arranged at the upper end of the first base (5), a piston rod of the first air cylinder (6) movably penetrates through a first supporting seat (7) to be connected with the outer side of a sliding seat (8), the first supporting seat (7) is connected with the first base (5), the lower end of the sliding seat (8) is connected with the first base (5) in a sliding mode, two ends of the sliding seat (8) are connected with the first base (5) through guide units (9), a first rotating plate (10) is rotatably arranged on the inner side of the sliding seat (8), and a plurality of first positioning columns (11) are arranged on the first rotating plate (10);

the second positioning unit (2) comprises a second base (12), a motor (13) is arranged at the upper end of the second base (12), an output shaft of the motor (13) movably penetrates through a second supporting seat (15) and is connected with the outer side of a second rotating plate (16), and a plurality of second positioning columns (17) matched with the first positioning columns (11) for use are arranged on the outer side of the second rotating plate (16);

the supporting unit (3) is located between the first positioning unit (1) and the second positioning unit (2), a first brake wheel (18) is arranged at the lower end of the supporting unit (3), a movable supporting plate (19) is arranged at the upper end of the supporting unit (3), and the supporting plate (19) is driven by a power unit (20) arranged on the supporting unit (3) to realize vertical displacement.

2. The rotary connection structure of a tower crane according to claim 1, wherein: the first base (5) and the second base (12) are provided with storage inner cavities, and the outer sides of the first base (5) and the second base (12) are provided with box doors (21) used for closing and opening.

3. The rotary connection structure of a tower crane according to claim 1, wherein: first base (5) with second base (12) are from last to lower cross section grow gradually, first base (5) with the lower extreme of second base (12) all is provided with second brake wheel (22), first base (5) with all be provided with handle (23) on second base (12).

4. The rotary connection structure of a tower crane according to claim 1, wherein: the first air cylinder (6) is connected with the first base (5) through a first air cylinder mounting seat (26), two parallel guide rails (27) are arranged at the lower end of the sliding seat (8), at least two sliding blocks (28) are arranged on each guide rail (27) in a sliding mode, and each sliding block (28) is connected with the lower end of the sliding seat (8) respectively.

5. The rotary connection structure of a tower crane according to claim 4, wherein: the guide unit (9) comprises two upright posts (29), the lower end of each upright post (29) is connected with the upper end of the first base (5), each upright post (29) is connected through two first guide rods (30), each first guide rod (30) is slidably sleeved with a guide block (31), and each guide block (31) is connected with the sliding seat (8);

the guide units (9) on both sides of the slide (8) have the same structure.

6. The rotary connection structure of a tower crane according to claim 4, wherein: the outside of slide (8) is provided with recess (32), the piston rod of first cylinder (6) extend to in recess (32) back with slide (8) are connected, breach (33) have been seted up to recess (32) lower extreme, the width of breach (33) is greater than first cylinder mount pad (26) with the width of first bearing seat (7).

7. The rotary connection structure of a tower crane according to claim 4, wherein: the four corners of the first rotating plate (10) are respectively provided with an installation block (35), each installation block (35) is detachably connected with the first rotating plate (10) through a screw, each installation block (35) is provided with two first positioning columns (11), and the connection mode of each second positioning column (17) and the second rotating plate (16) is the same as that of the first positioning column (11) and the first rotating plate (10).

8. The rotary connection structure of a tower crane according to claim 1, wherein: the motor (13) is arranged on the motor mounting seat (36), the two ends of the second supporting seat (15) are respectively provided with an extending block (37), each extending block (37) is connected with the upper end of the second base (12), and a first reinforcing block (38) is arranged at the included angle between each extending block (37) and the second base (12).

9. The rotary connection structure of a tower crane according to any one of claims 1 to 8, wherein: the supporting unit (3) comprises two positioning plates (39), a first brake wheel (18) is arranged at the lower end of each positioning plate (39), a limiting groove (50) is arranged at the upper end of each positioning plate (39), a guide plate (51) is movably arranged in each limiting groove (50), the upper end of each guide plate (51) is respectively connected with the lower ends of two sides of the supporting plate (19), and two elongated adjusting openings (52) penetrating through the limiting grooves (50) are formed in the inner side of each positioning plate (39); a power unit (20) is arranged on the inner side of each positioning plate (39);

the power unit (20) comprises an adjusting plate (53), two connecting blocks are arranged on the inner side of the adjusting plate (53), each connecting block movably penetrates through each elongated adjusting opening (52) to be connected with a guide plate (51), each adjusting plate (53) movably sleeves each second guide rod (55), the upper end of the second guide rod (55) is connected with a cross rod (56), the two ends of the cross rod (56) are respectively connected with the armrests (57), two ends of the handrail (57) are respectively connected with the positioning plates (39), the lower end of the second guide rod (55) is connected with a fixed plate (58), the fixed plate (58) is connected with the inner side of the positioning plate (39), the fixed plate (58) is provided with a second air cylinder (59), and a piston rod of the second air cylinder (59) is connected with the lower end of the adjusting plate (53).

10. The rotary connection structure of a tower crane according to claim 9, wherein: a plurality of second reinforcing blocks (60) are arranged at the included angle between the fixing plate (58) and the positioning plate (39), and the handrail (57) and the supporting plate (19) are detachably connected with the positioning plate (39) and the guide plate (51) through screws respectively.