CN212246008U

CN212246008U - Alleviate portable tower crane of moving platform pressure

Info

Publication number: CN212246008U
Application number: CN202020480319.XU
Authority: CN
Inventors: 朱立业
Original assignee: Shandong Rankecheng Machinery Co ltd
Current assignee: Shandong Rankecheng Machinery Co ltd
Priority date: 2020-04-04
Filing date: 2020-04-04
Publication date: 2020-12-29
Anticipated expiration: 2030-04-04

Abstract

The utility model relates to a building engineering equipment technical field specifically is a alleviate portable tower crane of moving platform pressure, including the tower seat platform, the front and back end symmetry of tower seat platform is fixed with prevents the tilting bar, and the orbital top of I-shaped is connected with and holds in the palm the lever, and the bottom surface both ends welding that holds in the palm the lever has the slider, and the spout of pegging graft with the I-shaped track is seted up to the front end of slider, and the bottom surface that holds in the palm the lever is provided with a plurality of pressure reducing springs, and the bottom welding of pressure reducing spring has the bearing block. The utility model discloses an it prevents the tilting bar to have fixed at the tower crane front and back end, makes on the lever that holds in the palm of its roof pressure on the track, holds in the palm the lever and can slide on the track to on transferring the track with the fulcrum, increased the arm of force of tower crane promptly, avoid it to empty, saved putting into of stone and iron plate simultaneously, make installation tower crane process save time and save trouble.

Description

Alleviate portable tower crane of moving platform pressure

Technical Field

The utility model relates to a building engineering equipment technical field specifically is a alleviate portable tower crane of moving platform pressure.

Background

When a high-rise building is built, a tower crane is needed to hoist building materials. Some building groups extend for a long time, generally can use portable tower crane, and it can remove the handling thing on the platform that traveles on the track through laying a pair of I shape track subaerial with the tower crane frame. However, for the stability of the platform, in the prior art, a plurality of stones or iron blocks are mostly placed on the platform, which makes the platform stable, but the placing and the disassembling are time-consuming and time-consuming, and in addition, the pressure of the platform is increased, so that the motor wheel on the bottom surface of the rail and the platform is worn out, and the service life of the motor wheel is affected. In view of this, we propose a mobile tower crane that relieves the pressure on the mobile platform.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a alleviate portable tower crane of moving platform pressure to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

a movable tower crane for relieving pressure of a moving platform comprises a tower pedestal and a plurality of tower crane frames installed at the top of the tower pedestal, wherein a motor wheel is installed at the bottom corner of the tower pedestal, an I-shaped rail is connected to the lower part of the motor wheel in a rolling manner, anti-tilting rods are symmetrically fixed at the front end and the rear end of the tower pedestal, a supporting lever is connected to the upper part of the I-shaped rail, an avoiding opening is formed in the center of the bottom end of each anti-tilting rod, through holes are formed in two side ends of the bottom of each anti-tilting rod, a fixing seat is welded at the top end of each anti-tilting rod and fixedly connected with the tower pedestal through bolts, a cylinder is symmetrically welded on the top surface of each supporting lever, the cylinder is in a horizontal placement state, an inner hole is formed in the center of the side end of the cylinder, the avoiding opening is clamped with the cylinder, bolts are inserted into the through holes, the front end of the sliding block is provided with a sliding groove which is spliced with the I-shaped rail, the bottom surface of the supporting lever is provided with a plurality of pressure reducing springs, the bottom ends of the pressure reducing springs are welded with bearing blocks, the bottom surfaces of the bearing blocks are of arc structures, the inner sides of the tops of the pressure reducing springs are tightly sleeved with correcting columns, and the top ends of the correcting columns are welded with the supporting lever.

Preferably, the sliding groove is a T-shaped groove.

Preferably, the center of the top surface of the support lever is symmetrically welded with bending prevention tables, each bending prevention table is of an arc block structure, one end of each bending prevention table is a vertical surface, and the vertical surfaces of the two bending prevention tables are in contact with each other.

Preferably, one circle of the top of the pressure reducing spring is welded with the correction column.

Preferably, the corners of the tower base platform are connected with diagonal draw bars through bolts, and the top ends of the diagonal draw bars are fixedly connected with the tower crane frame on one layer through bolts.

Compared with the prior art, the beneficial effects of the utility model are that:

this alleviate portable tower crane of moving platform pressure through fixed the pole of preventing inclining at the tower base platform front and back end, makes its roof pressure on the support lever on the track, and support lever can slide on the track to on transferring the track with the fulcrum, increased the arm of force of tower base platform promptly, avoid it to empty, saved putting into of stone and iron plate simultaneously, alleviateed the pressure of tower base platform, also made the installation tower crane process save time save trouble.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the anti-roll bar of the present invention;

FIG. 3 is a schematic view of a support lever structure of the present invention;

fig. 4 is a schematic structural view of the pressure reducing spring of the present invention.

The meaning of the individual reference symbols in the figures is:

1. a tower base platform; 10. a tower crane frame; 11. a motor wheel; 12. an I-shaped rail; 13. a diagonal member; 2. an anti-roll bar; 20. avoiding the mouth; 21. a through hole; 22. a fixed seat; 3. a support lever; 30. a cylinder; 31. an inner bore; 32. a slider; 33. a chute; 34. a bending prevention table; 4. reducing the pressure spring; 40. a pressure-bearing block; 41. and (6) correcting the column.

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.

In the description of the present invention, it should be understood that the terms "center", "center line", "longitudinal", "lateral", "length", "width", "thickness", "depth", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplicity of description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be taken as limiting the invention, in the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

Referring to fig. 1-4, the present invention provides a technical solution:

the utility model provides a alleviate portable tower crane of moving platform pressure, includes a plurality of tower crane frames 10 of tower base platform 1 and top installation, and motor wheel 11 is installed to the bottom corner of tower base platform 1, and the below roll connection of motor wheel 11 has I-shaped track 12, and one side coaxial coupling of motor wheel 11's wheel has the motor, and through the work of motor switch-on and take the wheel to roll on I-shaped track 12. The front end and the rear end of the tower base platform 1 are symmetrically fixed with anti-tilting rods 2, and a supporting lever 3 is connected above the I-shaped rail 12. The bottom center of anti-roll bar 2 has been seted up and has been dodged mouth 20, and through-hole 21 has been seted up to the bottom both sides end of anti-roll bar 2, and the top welding of anti-roll bar 2 has fixing base 22, and fixing base 22 passes through bolt fixed connection with tower base platform 1. The top surface of the support lever 3 is symmetrically welded with a cylinder 30, the cylinder 30 is in a horizontal placement state, the center of the side end is provided with an inner hole 31, the avoiding port 20 is clamped with the cylinder 30, bolts penetrate through the through hole 21 and the inner hole 31, and then nuts are screwed on the through hole 21, so that the anti-tilting rod 2 and the support lever 3 are connected into a whole. The two ends of the bottom surface of the support lever 3 are welded with sliding blocks 32, the front ends of the sliding blocks 32 are provided with sliding grooves 33 which are inserted into the I-shaped rails 12, and when the tower base platform 1 moves, the sliding blocks 32 can slide on the I-shaped rails 12. The bottom surface of the support lever 3 is provided with a plurality of pressure reducing springs 4, the bottom ends of the pressure reducing springs 4 are welded with pressure bearing blocks 40, the bottom surfaces of the pressure bearing blocks 40 are of arc structures, the pressure bearing blocks 40 are pressed on the ground, and the arc bottom surfaces can easily push away barriers such as stones when the tower base platform 1 moves. The top inboard that subtracts pressure spring 4 has closely cup jointed correction post 41, the top of correction post 41 and the welding of support lever 3, pressure reduction spring 4 can slow down the pressure that support lever 3 received, correction post 41 extends to and subtracts one section in the pressure spring 4, make and subtract pressure spring 4 when moving along with the column base platform 1, be unlikely to by the bending, correction post 41 does benefit to and subtracts pressure spring 4 and keeps vertical, thereby release the biggest resilience force so that offset pressure.

Furthermore, the sliding groove 33 is a T-shaped groove, so that the sliding block 32 can firmly grip the i-shaped rail 12, the support lever 3 is prevented from slipping, and the stability of the tower base platform 1 is ensured without swinging.

Specifically, the top surface center of the support lever 3 is symmetrically welded with the bending prevention tables 34, each bending prevention table 34 is of an arc block structure, one end of each bending prevention table 34 is a vertical surface, the vertical surfaces of the two bending prevention tables 34 are in contact, the support lever 3 can be pressed by the anti-tilting rod 2, the middle section of the support lever is bent, and the bending prevention tables 34 can increase prestress to offset the deformation force of the support lever 3.

In addition, one circle of the top of the pressure reducing spring 4 is welded with the correcting column 41, so that the two are connected more firmly.

It needs to be supplemented that the corners of the tower base platform 1 are connected with diagonal draw bars 13 through bolts, and the top ends of the diagonal draw bars 13 are fixedly connected with one layer of tower crane frame 10 through bolts, so as to further ensure the stability of the tower crane frame 10.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the description in the above embodiments and the description is only preferred examples of the present invention, and is not intended to limit the present invention, and that the present invention can have various changes and modifications without departing from the spirit and scope of the present invention, and these changes and modifications all fall into the scope of the claimed invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a alleviate portable tower crane of moving platform pressure, includes a plurality of tower crane frames (10) of tower base platform (1) and top installation, motor wheel (11) are installed to the bottom corner of tower base platform (1), the below roll connection of motor wheel (11) has I-shaped track (12), its characterized in that: an anti-tilt rod (2) is symmetrically fixed at the front end and the rear end of the tower base platform (1), a support lever (3) is connected above the I-shaped rail (12), an avoidance port (20) is formed in the center of the bottom end of the anti-tilt rod (2), through holes (21) are formed in two side ends of the bottom of the anti-tilt rod (2), a fixing seat (22) is welded at the top end of the anti-tilt rod (2), the fixing seat (22) is fixedly connected with the tower base platform (1) through bolts, a column (30) is symmetrically welded on the top surface of the support lever (3), the column (30) is in a horizontal placement state, an inner hole (31) is formed in the center of the side end, the avoidance port (20) is clamped with the column (30), bolts are inserted into the through holes (21) and the inner hole (31), and sliding blocks (32) are welded at two ends of the bottom surface of the support lever (3), the front end of the sliding block (32) is provided with a sliding groove (33) which is spliced with the I-shaped rail (12), the bottom surface of the support lever (3) is provided with a plurality of pressure reducing springs (4), the bottom ends of the pressure reducing springs (4) are welded with bearing blocks (40), the bottom surfaces of the bearing blocks (40) are of arc structures, the inner side of the top of each pressure reducing spring (4) is tightly sleeved with a correcting column (41), and the top end of each correcting column (41) is welded with the support lever (3).

2. The mobile tower crane for relieving pressure of a mobile platform of claim 1, wherein: the sliding groove (33) is a T-shaped groove.

3. The mobile tower crane for relieving pressure of a mobile platform of claim 1, wherein: the bending prevention platform is characterized in that bending prevention platforms (34) are symmetrically welded at the center of the top surface of the supporting lever (3), each bending prevention platform (34) is of an arc block structure, one end of each bending prevention platform is a vertical surface, and the vertical surfaces of the two bending prevention platforms (34) are in contact with each other.

4. The mobile tower crane for relieving pressure of a mobile platform of claim 1, wherein: and one circle of the top of the pressure reducing spring (4) is welded with the correcting column (41).

5. The mobile tower crane for relieving pressure of a mobile platform of claim 1, wherein: the corner of the tower base platform (1) is connected with an inclined pull rod (13) through a bolt, and the top end of the inclined pull rod (13) is fixedly connected with the tower crane frame (10) through a bolt.