CN211366756U

CN211366756U - Movable tower crane

Info

Publication number: CN211366756U
Application number: CN201921703087.3U
Authority: CN
Inventors: 狄永国; 高晓宏; 李阳洋; 张静; 李超; 牟童
Original assignee: Xinjiang Construction Engineering Group Co Ltd
Current assignee: Xinjiang Construction Engineering Group Co Ltd
Priority date: 2019-10-12
Filing date: 2019-10-12
Publication date: 2020-08-28
Anticipated expiration: 2029-10-12

Abstract

The utility model provides a movable tower crane, which comprises a tower crane body and an I-shaped track, wherein the bottom of the tower crane body is fixedly provided with a base, both sides of the base are provided with telescopic grooves, the inner side wall of the telescopic groove, which is far away from the open end, is fixedly provided with a hydraulic rod, one end of an auxiliary support rod passes through the open end of the telescopic groove and is fixedly connected with an output shaft of the hydraulic rod, the bottom of the other end of the auxiliary support rod is fixedly provided with a connecting seat, the bottom of the connecting seat is provided with a T-shaped chute, the connecting seat is sleeved at the top of the I-shaped track through the T-shaped chute, the top of the T-shaped chute is provided with a groove, a roller is arranged in the groove, the position of the top of the I-shaped track, which corresponds to, wide adaptability and good balance.

Description

Movable tower crane

Technical Field

The utility model relates to a construction equipment technical field specifically is a portable tower crane.

Background

The tower crane is the most common hoisting equipment on the construction site, is also an indispensable equipment on the construction site, and can be divided into a movable tower crane and a fixed tower crane, the movable tower crane can be divided into a rail type, a tire type, an automobile type and a crawler type according to the difference of a walking device, a tower body of the rail type tower crane is fixed on a walking underframe and can run on a special rail, the stability is good, the tower crane can run with load, the working efficiency is high, and the tower crane is widely applied to construction and installation engineering, but the stability and the occupied space of the rail type tower crane on the market at present cannot be well combined, the stability cannot be adjusted, and the adaptability is lower, for example, the invention patent: tower crane (CN 105060135A), for this reason, the utility model provides a portable tower crane.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims at providing a portable tower crane to solve the problem that proposes in the above-mentioned background art, the utility model relates to a rationally, it is convenient to adjust, and adaptability is wide, and the equilibrium is good.

In order to achieve the above purpose, the present invention is realized by the following technical solution: a movable tower crane comprises a tower crane body and an I-shaped rail, wherein a base is fixedly arranged at the bottom of the tower crane body, telescopic grooves are formed in two sides of the base, a hydraulic rod is fixedly arranged on the inner side wall, away from the opening end, of each telescopic groove, one end of an auxiliary support rod penetrates through the opening end of each telescopic groove and is fixedly connected with an output shaft of the hydraulic rod, a connecting seat is fixedly arranged at the bottom of the other end of the auxiliary support rod, a T-shaped sliding groove is formed in the bottom of the connecting seat, the connecting seat is sleeved at the top of the I-shaped rail through the T-shaped sliding groove, a groove is formed in the top of the T-shaped sliding groove, a roller is arranged in the groove, a roller groove is formed in the position, corresponding to the roller, of the top of the I-shaped rail, the balancing weight is installed in the balancing weight groove through a locking bolt.

As a preferred embodiment of the present invention, the locking bolt is provided with a handle.

As a preferred embodiment of the present invention, the number of the i-shaped rails is 2, and the number of the telescopic slots, the hydraulic rods and the auxiliary support rods is 4.

As an optimized embodiment of the utility model, every the quantity of recess and gyro wheel in the connecting seat is 2.

As a preferred embodiment of the present invention, the base is mounted on the drum rail by rail wheels.

The utility model has the advantages that: the utility model discloses a portable tower crane, including tower crane body, i-shaped track, base, flexible groove, hydraulic stem, auxiliary support pole, connecting seat, T type spout, recess, gyro wheel groove, counter weight groove, balancing weight and locking bolt.

1. Install the auxiliary stay pole that can stretch out and draw back on the base of this portable tower crane, when jack-up to heavier object, auxiliary stay pole's extension can effectual improvement holistic stability to reduce the possibility that the tower crane body emptys, the security is high, when jack-up to lighter object, auxiliary stay pole can contract into flexible groove, does not occupy the place, stability and the space that occupies can obtain good combination, thereby can be suitable for and use in more places, adaptability is wide.

2. The balancing weight is installed on the base of the mobile tower crane through the locking bolt, can be detached, and can change the overall gravity center through installation and detachment of the balancing weight, so that the adaptability is further improved.

3. The connecting seat of the mobile tower crane is sleeved on the I-shaped track through the T-shaped sliding groove, so that an effective limiting effect can be achieved, and the safety of the tower crane body is improved.

Drawings

FIG. 1 is a schematic structural view of a mobile tower crane of the present invention;

FIG. 2 is a schematic cross-sectional view of a base of a mobile tower crane according to the present invention;

FIG. 3 is a top view of a base of a mobile tower crane according to the present invention;

FIG. 4 is a schematic view of the installation of the connecting seat of the mobile tower crane of the present invention;

in the figure: the tower crane comprises a tower crane body 1, an I-shaped rail 2, a base 3, a telescopic groove 4, a hydraulic rod 5, an auxiliary support rod 6, a connecting seat 7, a T-shaped sliding groove 8, a groove 9, a roller 10, a roller groove 11, a counterweight groove 12, a counterweight 13 and a locking bolt 14.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

Referring to fig. 1 to 4, the present invention provides a technical solution: a movable tower crane comprises a tower crane body 1 and an I-shaped track 2, wherein a base 3 is fixedly installed at the bottom of the tower crane body 1, telescopic grooves 4 are formed in two sides of the base 3, a hydraulic rod 5 is fixedly installed on the inner side wall, far away from an opening end, of each telescopic groove 4, one end of an auxiliary support rod 6 penetrates through the opening end of each telescopic groove 4 and is fixedly connected with an output shaft of the hydraulic rod 5, a connecting seat 7 is fixedly installed at the bottom of the other end of the auxiliary support rod 6, a T-shaped sliding groove 8 is formed in the bottom of the connecting seat 7, the connecting seat 7 is sleeved on the top of the I-shaped track 2 through the T-shaped sliding groove 8, a groove 9 is formed in the top of the T-shaped sliding groove 8, a roller 10 is installed in the groove 9, a roller groove 11 is formed in the position, corresponding to the, a plurality of counterweight grooves 12 are formed in the top of the base 3, locking bolts 14 are mounted on the counterweight blocks 13, and the counterweight blocks 13 are mounted in the counterweight grooves 12 through the locking bolts.

As a preferred embodiment of the present invention, a handle is installed on the locking bolt 14.

As a preferred embodiment of the present invention, the number of the i-shaped rails 2 is 2, and the number of the telescopic slots 4, the hydraulic rods 5 and the auxiliary support rods 6 is 4.

As a preferred embodiment of the present invention, the number of the grooves 9 and the rollers 10 in each of the connecting seats 7 is 2.

As a preferred embodiment of the present invention, the base 3 is mounted on the drum rail 2 by rail wheels.

As the utility model discloses a preferred embodiment, when jack-up heavier object, hydraulic stem 5 is with auxiliary support pole 6 ejecting flexible groove 4 gradually, auxiliary support pole 6 extension can effectual improvement holistic stability, thereby reduce the possibility that tower crane body 1 emptys, the security is high, when jack-up lighter object, hydraulic stem 5 drives auxiliary support pole 6 and contracts into flexible groove 4, do not occupy the place, stability and the space that occupies can obtain good combination, thereby can be suitable for and more place uses, adaptability is wide.

As an optimal implementation manner of the utility model, connecting seat 7 moves on I-shaped track 2, and connecting seat 7 establishes on I-shaped track 2 through 8 covers of T type spout, can play effectual limiting displacement, improves tower crane body 1's security.

As a preferred embodiment of the utility model, the balancing weight 13 has been installed through locking bolt 14 on the base 3, and balancing weight 13 can be dismantled, can change holistic focus through the installation with dismantling balancing weight 13 to further improve adaptability.

The working principle is as follows: when the movable tower crane is used, the I-shaped rail 2 is fixedly arranged on an embedded part which is installed in advance, the hydraulic rods 5 are connected to a control system of the tower crane body 1, when a heavier object is hoisted, the four hydraulic rods 5 are controlled by the control system to synchronously extend, the auxiliary support rods 6 are gradually pushed out of the telescopic grooves 4 by the hydraulic rods 5, the connecting seat 7 moves on the I-shaped rail 2, the connecting seat 7 is sleeved on the I-shaped rail 2 through the T-shaped sliding groove 8, an effective limiting effect can be achieved, the safety of the tower crane body 1 is improved, the overall stability can be effectively improved by the extension of the auxiliary support rods 6, the possibility of toppling over of the tower crane body 1 is reduced, the safety is high, when the lighter object is hoisted, the auxiliary support rods 6 are driven by the hydraulic rods 5 to shrink into the telescopic grooves 4, the site is not occupied, and, thereby can be suitable for and use more places, adaptability is wide, has installed balancing weight 13 through locking bolt 14 on the base 3, and balancing weight 13 can be dismantled, can change holistic focus through the installation with dismantling balancing weight 13 to further improve adaptability.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above, it will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, but that the invention may be embodied in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides a portable tower crane, includes tower crane body (1) and i-shaped track (2), its characterized in that, the bottom fixed mounting of tower crane body (1) has base (3), flexible groove (4) have all been seted up to the both sides of base (3), fixed mounting has hydraulic stem (5) on the inside wall that open end was kept away from in flexible groove (4), and the open end that flexible groove (4) was passed to the one end of auxiliary support pole (6) and the output shaft fixed connection of hydraulic stem (5), the bottom fixed mounting of the auxiliary support pole (6) other end has connecting seat (7), T type spout (8) have been seted up to the bottom of connecting seat (7), the top at i-shaped track (2) is established through T type spout (8) cover to connecting seat (7), recess (9) are seted up at the top of T type spout (8), install gyro wheel (10) in recess (9), the roller groove (11) is formed in the position, corresponding to the roller (10), of the top of the I-shaped rail (2), the bottom of the roller (10) is located in the roller groove (11), the top of the base (3) is provided with a plurality of counterweight grooves (12), the counterweight block (13) is provided with a locking bolt (14), and the counterweight block (13) is installed in the counterweight grooves (12) through the locking bolt.

2. The mobile tower crane according to claim 1, wherein: and a handle is arranged on the locking bolt (14).

3. The mobile tower crane according to claim 1, wherein: the number of the I-shaped tracks (2) is 2, and the number of the telescopic grooves (4), the hydraulic rods (5) and the auxiliary supporting rods (6) is 4.

4. The mobile tower crane according to claim 1, wherein: the number of the grooves (9) and the rollers (10) in each connecting seat (7) is 2.

5. The mobile tower crane according to claim 1, wherein: the base (3) is mounted on the I-shaped rail (2) by rail wheels.