CN210340153U

CN210340153U - Lower support structure of tower crane

Info

Publication number: CN210340153U
Application number: CN201920933497.0U
Authority: CN
Inventors: 马洪利
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-06-20
Filing date: 2019-06-20
Publication date: 2020-04-17
Anticipated expiration: 2029-06-20

Abstract

The utility model discloses a tower crane's undersetting structure, including first base, the spout has been seted up at the top of first base, the bottom sliding connection of spout inner wall has the slide, the equal fixedly connected with slide bar in front side and the rear side of spout inner wall, the one end of slide bar runs through the outside that the slide just extended to the slide, the one end of slide bar and the opposite side fixed connection of spout inner wall, one side fixedly connected with second base of first base, the top fixedly connected with hydraulic stretching machine of second base the output shaft of hydraulic stretching machine and one side fixed connection who removes the slide, the first gear of top fixedly connected with of slide removes. This tower crane's undersetting structure starts hydraulic stretching machine and makes the removal slide remove about can and finely tune, makes the rotatory third base that drives of second gear rotatory when starter motor in addition rotatory, and is lighter and accurate when the installation pylon like this.

Description

Lower support structure of tower crane

Technical Field

The utility model relates to a tower machine technical field specifically is a tower crane's undersetting structure.

Background

The crane is a hoisting and transporting device which can reduce heavy physical labor, improve operation efficiency and realize safe production, and the crane is used as key process equipment or important auxiliary machinery in the material production and material circulation of various departments of the national economy and is widely applied, in particular to a tower crane, wherein the important structure of the crane is a lower support structure of the crane.

The lower support of the existing tower crane is simple in structure, and the base cannot be moved when the tower is installed, so that the difficulty is high during installation, and too much time is consumed.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides a tower crane's undersetting structure, the problem of carrying out the fine setting can not remove when having solved the installation pylon on the undersetting.

(II) technical scheme

In order to achieve the above object, the utility model provides a following technical scheme: a lower support structure of a tower crane comprises a first base, wherein a sliding groove is formed in the top of the first base, a movable sliding plate is connected to the bottom of the inner wall of the sliding groove in a sliding manner, sliding rods are fixedly connected to the front side and the rear side of the inner wall of the sliding groove, one end of each sliding rod penetrates through the movable sliding plate and extends to the outside of the movable sliding plate, one end of each sliding rod is fixedly connected with the other side of the inner wall of the sliding groove, a second base is fixedly connected to one side of the first base, a hydraulic compressor is fixedly connected to the top of the second base, an output shaft of the hydraulic compressor is fixedly connected with one side of the movable sliding plate, a first gear is fixedly connected to the top of the movable sliding plate, a first rotating shaft is rotatably connected to the axis of the first gear, a third base is fixedly connected to one end, far away from the first gear, of the first rotating shaft, the top fixedly connected with motor of fixed block, the output shaft of motor runs through the fixed block and extends to the bottom of fixed block, the output shaft fixedly connected with second gear of motor.

Preferably, the bottom of the first base is fixedly connected with a fixed support, and the surface of the fixed support is fixedly connected with a stabilizing block.

Preferably, the surface of the slide bar is slidably connected with the inner part of the movable sliding plate.

Preferably, a connecting device is fixedly connected to the top of the third base.

Preferably, the second gear is intermeshed with the first gear.

Preferably, the connecting device comprises a fourth base, the bottom of the fourth base is fixedly connected with one side of the top of the third base, clamping plates are fixedly connected to the two sides of the top of the base, and bolt holes are formed in the surfaces of the clamping plates.

(III) advantageous effects

The utility model provides a tower crane's undersetting structure. The method has the following beneficial effects:

(1) this tower crane's undersetting structure makes the movable sliding plate move through one side fixed connection hydraulic compressor at the second base, can let the third base can correspond the position of pylon when the installation pylon like this and finely tune, alignment that like this can be more accurate when the installation pylon has practiced thrift installation time.

(2) This tower crane's undersetting structure, through at third base one side fixed connection second gear, the second gear is connected with the output of motor, the starter motor makes the second gear rotatory, the second gear is rotatory around first gear, make the third base can rotate under the drive of second gear, when the installation pylon like this, can certainly aim at connecting device with not making the pylon, can be directly through rotatory third base, make connecting device on the third base dock with the pylon, it is more convenient to make the installation.

Drawings

Fig. 1 is a front schematic structural view of the present invention;

FIG. 2 is a schematic structural view of the connecting device of the present invention;

fig. 3 is a schematic structural view of the first gear of the present invention;

fig. 4 is a schematic structural view of the sliding chute of the present invention.

In the figure: 1. a first base; 2. a chute; 3. moving the sliding plate; 4. a slide bar; 5. a hydraulic compressor; 6. A second base; 7. a first gear; 8. a first rotating shaft; 9. a third base; 10. a second gear; 11. a fixed block; 12. a motor; 13. a connecting device; 131. a clamping plate; 132. bolt holes; 133. a fourth base; 14. fixing a strut; 15. and (7) stabilizing the block.

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.

As shown in fig. 1-4, the utility model provides a technical solution: a lower support structure of a tower crane comprises a first base, wherein a chute 2 is formed in the top of the first base 1, a movable sliding plate 3 is connected to the bottom of the inner wall of the chute 2 in a sliding manner, sliding rods 4 are fixedly connected to the front side and the rear side of the inner wall of the chute 2, one end of each sliding rod 4 penetrates through the corresponding movable sliding plate 3 and extends to the outside of the corresponding movable sliding plate 3, one end of each sliding rod 4 is fixedly connected with the other side of the inner wall of the corresponding chute 2, a second base 6 is fixedly connected to one side of the first base 1, a hydraulic compressor 5 is fixedly connected to the top of the second base 6, an output shaft of the hydraulic compressor 5 is fixedly connected to one side of the corresponding movable sliding plate 3, a first gear 7 is fixedly connected to the top of the corresponding movable sliding plate 3, a first rotating shaft 8 is rotatably connected to the axis of the first gear 7, and a third base is fixedly connected to one end, far away, a fixed block 11 is fixedly connected to one side of the third base 9, a motor 12 is fixedly connected to the top of the fixed block 11, the motor 12 is a double-winding motor, an output shaft of the motor 12 penetrates through the fixed block 11 and extends to the bottom of the fixed block 11, and a second gear 10 is fixedly connected to an output shaft of the motor 12;

the bottom of the first base 1 is fixedly connected with a fixed support column 14, the surface of the fixed support column 14 is fixedly connected with a stabilizing block 15, four corners of the bottom of the first base 1 are fixedly connected with the fixed support column 14, and the surface of the fixed support column 14 is provided with the stabilizing blocks in a triangular distribution mode, so that the base is more stable and safe;

the surface of the slide bar 4 is connected with the inner part of the movable sliding plate 3 in a sliding way;

the top of the third base 9 is fixedly connected with a connecting device 13, and four corners of the top of the third base 9 are provided with the connecting devices;

the second gear 10 is meshed with the first gear 7, the first gear 7 is fixed on the movable sliding plate 3, the second gear 10 is connected with the output end of the motor 12, and the motor 12 rotates to drive the second gear 10 to rotate around the first gear 7;

the connecting device 13 includes a fourth base 133, the bottom of the fourth base 133 is fixedly connected to one side of the top of the third base 9, clamping plates 131 are fixedly connected to two sides of the top of the fourth base 133, and bolt holes 132 are formed in the surfaces of the clamping plates 131.

To sum up, the lower support structure of the tower crane enables the movable sliding plate 3 to move by starting the hydraulic compressor 5 fixedly connected with the top of the second base 6, the movable sliding plate 3 drives the third base 9 to move left and right, so that the third base 9 can be finely adjusted corresponding to the position of the tower when the tower is installed, the second gear 10 rotates by the starting motor 12, the second gear 10 rotates around the first gear 7, the third base 9 can rotate under the driving of the second gear 10, so that the tower does not need to be aligned with the connecting device when the tower is installed, the connecting device 13 on the third base 9 can be directly butted with the tower by rotating the third base 9.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a tower crane's undersetting structure, includes first base (1), its characterized in that: the hydraulic telescopic device is characterized in that a sliding groove (2) is formed in the top of the first base (1), a movable sliding plate (3) is connected to the bottom of the inner wall of the sliding groove (2) in a sliding mode, a sliding rod (4) is fixedly connected to the front side and the rear side of the inner wall of the sliding groove (2), one end of the sliding rod (4) penetrates through the movable sliding plate (3) and extends to the outside of the movable sliding plate (3), one end of the sliding rod (4) is fixedly connected with the other side of the inner wall of the sliding groove (2), a second base (6) is fixedly connected to one side of the first base (1), a hydraulic telescopic machine (5) is fixedly connected to the top of the second base (6), an output shaft of the hydraulic telescopic machine (5) is fixedly connected with one side of the movable sliding plate (3), a first gear (7) is fixedly connected to the top of the movable sliding plate (3), and a first rotating shaft (8, one end fixedly connected with third base of first gear (7) is kept away from in first pivot (8), one side fixedly connected with fixed block (11) of third base (9), the top fixedly connected with motor (12) of fixed block (11), the output shaft of motor (12) runs through fixed block (11) and extends to the bottom of fixed block (11), the output shaft fixedly connected with second gear (10) of motor (12).

2. The lower support structure of a tower crane according to claim 1, wherein: the bottom of the first base (1) is fixedly connected with a fixed support column (14), and the surface of the fixed support column (14) is fixedly connected with a stabilizing block (15).

3. The lower support structure of a tower crane according to claim 1, wherein: the surface of the slide rod (4) is connected with the inner part of the movable sliding plate (3) in a sliding way.

4. The lower support structure of a tower crane according to claim 1, wherein: the top of the third base (9) is fixedly connected with a connecting device (13).

5. The lower support structure of a tower crane according to claim 1, wherein: the second gear (10) is meshed with the first gear (7).

6. The lower support structure of a tower crane according to claim 4, wherein: connecting device (13) include fourth base (133), one side fixed connection at the bottom of fourth base (133) and third base (9) top, the equal fixedly connected with clamp plate (131) in both sides at fourth base (133) top, bolt hole (132) have been seted up on the surface of clamp plate (131).