CN220432157U

CN220432157U - Inner climbing type tower crane

Info

Publication number: CN220432157U
Application number: CN202322158808.XU
Authority: CN
Inventors: 刘斌
Original assignee: Individual
Current assignee: Individual
Priority date: 2023-08-11
Filing date: 2023-08-11
Publication date: 2024-02-02
Anticipated expiration: 2033-08-11

Abstract

The application discloses interior climbing formula tower crane belongs to tower crane technical field. Including standard festival and fix the cat ladder in standard festival, include: parallel fixation is at the guide bar on the cat ladder and along gliding self-locking device of guide bar, self-locking device is one-way upwards sliding on the guide bar, be fixed with the aerial working safety belt on the self-locking device, this application is through fixing the aerial working safety belt on one's body of personnel, then personnel climbing the in-process self-locking device of cat ladder upwards follows the slip, when personnel's step is empty, personnel at this moment pull down along the guide bar with self-locking device at the in-process aerial working safety belt of whereabouts, the self-locking device locking of this moment is fixed on the guide bar to play the purpose to personnel protection, improve the protection when climbing to personnel, reduce holistic weight.

Description

Inner climbing type tower crane

Technical Field

The application relates to the technical field of tower cranes, in particular to an internal climbing tower crane.

Background

The tower crane is a lifting device which is most commonly used on a building site, is also called as a tower crane, and is used for hoisting construction raw materials such as steel bars, wood ridges, concrete, steel pipes and the like for construction by lengthening one section by one section. The tower crane is an indispensable equipment on the site. The existing tower crane is usually installed outside a building, the height of the tower crane needs to be increased along with the increase of the height of the building, and when the height of the building is higher, the risk of toppling easily occurs due to the fact that the height of the tower crane is too high.

The prior art publication No. CN211004291U provides an inner climbing tower crane, which comprises the steps of firstly fixedly installing a foundation section on a base surface of an elevator shaft, and then sequentially installing inner climbing sections, reinforcing sections, standard sections and other parts until the whole installation of the tower crane is completed. And then the connection between the foundation section and the inner climbing section is released, so that the tower crane above the inner climbing section can wholly climb, a hydraulic cylinder of the jacking device starts to extend out of a piston rod during climbing, the tower crane wholly moves upwards under the drive of the hydraulic cylinder, the tower crane is supported by a hydraulic stay rod after moving in place, the piston rod of the jacking hydraulic cylinder contracts and is reconnected with a stepping piece at the lower layer, and the step-by-step climbing of the tower crane can be realized by repeating the steps. When the height of the inner climbing section rises to the height of the jacking beam along with the climbing of the tower crane, the bearing beam extends out of the sleeve and transversely overlaps between the two jacking main beams, so that the overall stability is improved.

The above prior art solution, though realizing the beneficial effects related to the prior art by the structure of the prior art, still has the following drawbacks: lack effectual protection in the cat ladder among the device, at workman's climbing in-process, in case the palm is not held tightly or the step is stepped on empty, will lead to personnel to fall the risk, and current form through increasing the protection screen panel to the cat ladder protects, but has increased the weight of every section standard festival to increase the heavy burden of the standard festival of below.

In the related art, the inventor considers that the ladder lacks effective protection, and in the process of climbing by workers, once the palm is not held or steps are empty, the risk of falling of the workers is caused, and the existing ladder is protected by adding a protection net cover, but the weight of each standard section is increased, so that the load of the lowest standard section is increased.

In view of this, we propose an internal climbing tower crane.

Disclosure of Invention

1. Technical problem to be solved

An object of the application is to provide an interior climbing tower crane, solved the technical problem among the above-mentioned background art, realized improving the technical effect to the protection when personnel's climbing.

2. Technical proposal

The technical scheme of this application provides an interior climbing tower crane, including standard festival and fix the cat ladder in standard festival, include: the self-locking mechanism slides upwards in a unidirectional way on the guide rod, and an overhead operation safety belt is fixed on the self-locking mechanism.

Through adopting above-mentioned technical scheme, fix the aerial working safety belt on personnel's one's body, then personnel climb the in-process self-locking mechanism of cat ladder and upwards follow the slip, when personnel's step was empty, personnel were at the in-process aerial working safety belt of falling down this moment with self-locking mechanism along the guide bar drop-down, self-locking mechanism locking at this moment was fixed on the guide bar to play the purpose to personnel's protection.

As an alternative scheme of this application technical scheme, fixed mounting has a plurality of dead levers between dead lever and the cat ladder, and the dead lever is fixed perpendicularly with the dead lever.

As an alternative scheme of the technical scheme of the application, the inserted bar is fixed at one end of the guide bar, and a slot matched with the inserted bar is formed at the other end of the guide bar.

Through adopting above-mentioned technical scheme, the guide bar is fixed in the outside of cat ladder through a plurality of dead levers parallel, and the guide bar is highly adapted with the cat ladder to through the cooperation of inserted bar and slot, in order to make the connection between two upper and lower guide bars conveniently.

As an alternative to the technical solution of the present application, the self-locking mechanism includes a slider, a stop lever and a spring; the sliding block is matched with the guide rod to slide, an avoidance opening is formed in one side, close to the fixed rod, of the sliding block, a movable groove is symmetrically formed in the sliding block, an opening structure is formed in the opposite side and the lower end of the movable groove, a shaft rod is fixedly installed in the movable groove, one end of the shaft rod is rotationally connected with the shaft rod, and a spring is fixedly installed between the movable groove and the shaft rod and is close to one side of the shaft rod.

Through adopting above-mentioned technical scheme, the slider slides along the guide bar, and dodge the external diameter that the mouth is greater than the dead lever, when the slider upwards slides, the dead lever of this moment extrudees the pin downwards and makes the pin use the axostylus axostyle as centre of a circle upset downwards, the spring is compressed simultaneously and is produced an elasticity resilience effort, when the pin breaks away from the dead lever after this moment, spring elasticity resilience makes the pin arrange the movable inslot again, when the slider downwards slides, the pin supports the dead lever top in the below, the pin is blocked between two movable grooves, in order to avoid the continuous downwardly sliding of slider.

As an alternative scheme of this application file technical scheme, the equal fixed mounting guide bar in both sides of cat ladder, the guide bar is rectangular structure, high altitude construction safety belt includes the safety rope fixed with the slider.

Through adopting above-mentioned technical scheme, two guide bars symmetrical fixed mounting are in the both sides of cat ladder to through the rectangular structural design of guide bar, rotation when can avoiding the slider to slide, two sets of self-locking mechanism security is better simultaneously, and high altitude construction safety belt passes through safety rope and slider fixed mounting.

3. Advantageous effects

One or more technical solutions provided in the embodiments of the present application at least have the following technical effects or advantages:

1. this application is through fixing the high altitude construction safety belt on one's body with the personnel, then the in-process self-locking mechanism of personnel's climbing cat ladder upwards follows the slip, when personnel's step is empty, personnel at the in-process high altitude construction safety belt of falling this moment pull down self-locking mechanism along the guide bar, self-locking mechanism locking at this moment is fixed on the guide bar to play the purpose to personnel's protection, improve the protection when climbing to personnel, reduce holistic weight.

Drawings

FIG. 1 is a schematic view of the overall structure of an inner climbing tower crane according to a preferred embodiment of the present utility model;

FIG. 2 is a schematic view of a self-locking mechanism of an inner climbing tower crane, an overhead operation safety belt, a guide rod and a ladder stand according to a preferred embodiment of the present utility model;

FIG. 3 is a schematic view of a self-locking mechanism of an inner climbing tower crane, an overhead operation safety belt, a guide rod and a ladder bottom structure according to a preferred embodiment of the present utility model;

FIG. 4 is a schematic view of a self-locking mechanism of an inner climbing tower crane and an overhead working belt according to a preferred embodiment of the present utility model;

FIG. 5 is an enlarged schematic view of the structure of the inner climbing tower crane shown in FIG. 4 according to a preferred embodiment of the present utility model;

FIG. 6 is a schematic cross-sectional view of a self-locking mechanism of an inner climbing tower crane according to a preferred embodiment of the present utility model;

the reference numerals in the figures illustrate: 1. a standard section; 2. a ladder stand; 3. a guide rod; 301. a fixed rod; 302. a rod; 303. a slot; 4. a self-locking mechanism; 401. a slide block; 4011. an avoidance port; 4012. a movable groove; 4013. a shaft lever; 402. a stop lever; 403. a spring; 5. a safety belt for aloft work; 501. a safety rope.

Detailed Description

The present application is described in further detail below in conjunction with the drawings attached to the specification.

An internal climbing tower crane, comprising a standard section 1 and a ladder stand 2 fixed in the standard section 1, comprising: the self-locking device comprises a guide rod 3 and a self-locking mechanism 4, wherein the guide rod 3 is fixed on the cat ladder 2 in parallel, the self-locking mechanism 4 slides upwards in a unidirectional way on the guide rod 3, and a high-altitude operation safety belt 5 is fixed on the self-locking mechanism 4.

Referring to fig. 1-6, the aerial working safety belt 5 is fixed on a person, then the self-locking mechanism 4 slides upwards in the process of climbing the cat ladder 2, when the person steps on the foot, the person pulls down the self-locking mechanism 4 along the guide rod 3 in the process of falling, and the self-locking mechanism 4 is locked and fixed on the guide rod 3 at the moment, so that the aim of protecting the person is fulfilled.

A plurality of fixing rods 301 are fixedly arranged between the guide rods 3 and the crawling ladder 2, and the fixing rods 301 are vertically fixed with the guide rods 3.

One end of the guide rod 3 is fixed with the inserted rod 302, and the other end is provided with a slot 303 which is matched with the inserted rod 302.

Referring to fig. 2 and 3, the guide bars 3 are fixed in parallel to the outside of the ladder 2 by a plurality of fixing bars 301, the guide bars 3 are height-adapted to the ladder 2, and the connection between the upper and lower guide bars 3 is facilitated by the cooperation of the insert bars 302 and the insert grooves 303.

The self-locking mechanism 4 comprises a slider 401 and a stop lever 402 and a spring 403; the slider 401 and the guide rod 3 are adapted to slide, one side, close to the fixed rod 301, of the slider 401 is provided with an avoidance opening 4011, movable grooves 4012 are symmetrically formed in the slider 401, one side, opposite to the movable grooves 4012, of the movable grooves 4012 and the lower end are of an opening structure, a shaft rod 4013 is fixedly installed in the movable groove 4012 on one side, one end of a stop rod 402 is rotationally connected with the shaft rod 4013, and a spring 403 is fixedly installed between the movable groove 4012 on one side, close to the shaft rod 4013, and the stop rod 402.

Referring to fig. 4-6, the slider 401 slides along the guide rod 3, and the avoiding opening 4011 is larger than the outer diameter of the fixed rod 301, when the slider 401 slides upward, the fixed rod 301 presses the stop rod 402 downward and makes the stop rod 402 turn over downward around the shaft 4013, meanwhile, the spring 403 is compressed to generate an elastic resilience force, when the stop rod 402 is separated from the fixed rod 301, the spring 403 elastically rebounds to make the stop rod 402 place in the movable groove 4012 again, and when the slider 401 slides downward, the stop rod 402 abuts against the upper side of the fixed rod 301 below, and the stop rod 402 is clamped between the two movable grooves 4012, so as to avoid continuous downward sliding of the slider 401.

Both sides of the cat ladder 2 are fixedly provided with guide rods 3, the guide rods 3 are of rectangular structures, and the aerial working safety belt 5 comprises a safety rope 501 fixed with the sliding block 401.

Referring to fig. 2-6, two guide rods 3 are symmetrically and fixedly installed on two sides of the ladder stand 2, and through the rectangular structural design of the guide rods 3, autorotation of the sliding block 401 during sliding can be avoided, meanwhile, the safety of the two groups of self-locking mechanisms 4 is better, and the aerial working safety belt 5 is fixedly installed with the sliding block 401 through a safety rope 501.

Working principle: the standard knot 1 is mutually assembled, the upper guide bar 3 and the lower guide bar 3 are correspondingly arranged through the inserting bar 302 and the inserting groove 303, then a climber binds the high-altitude operation safety belt 5 on a body, at the moment, the climber climbs the ladder 2, the slider 401 slides upwards, the fixed bar 301 presses the bar 402 downwards and enables the bar 402 to overturn downwards with the shaft 4013 as the center of a circle, meanwhile, the spring 403 is compressed to generate an elastic resilience force, at the moment, after the bar 402 is separated from the fixed bar 301, the bar 402 is placed in the movable groove 4012 again through elastic resilience of the spring 403, and when the person falls down, the slider 401 slides downwards, the bar 402 abuts against the upper portion of the fixed bar 301 below, the bar 402 is clamped between the two movable grooves 4012, so as to avoid continuous downward sliding of the slider 401, safety of the climber is guaranteed, and when climbing downwards, the bar 402 is pressed by fingers step by step, and then the fixed bar 301 passes through the bar 402.

Claims

1. The utility model provides an interior climbing tower crane, includes standard festival (1) and fixes cat ladder (2) in standard festival (1), its characterized in that: comprising the following steps: the self-locking device comprises a guide rod (3) and a self-locking mechanism (4), wherein the guide rod (3) is fixed on a crawling ladder (2) in parallel, the self-locking mechanism (4) slides upwards in a unidirectional way on the guide rod (3), and a high-altitude operation safety belt (5) is fixed on the self-locking mechanism (4).

2. The internal climbing tower crane according to claim 1, wherein: a plurality of fixing rods (301) are fixedly arranged between the guide rods (3) and the crawling ladder (2), and the fixing rods (301) are vertically fixed with the guide rods (3).

3. The internal climbing tower crane according to claim 1, wherein: one end of the guide rod (3) is fixed with the inserted rod (302), and the other end of the guide rod is provided with a slot (303) matched with the inserted rod (302).

4. The internal climbing tower crane according to claim 1, wherein: the self-locking mechanism (4) comprises a sliding block (401) and a stop lever (402) and a spring (403); the sliding block (401) and the guide rod (3) are in adaptive sliding, an avoidance opening (4011) is formed in one side, close to the fixed rod (301), of the sliding block (401), a movable groove (4012) is symmetrically formed in the sliding block (401), one side, opposite to the movable groove (4012), of the movable groove is of an opening structure, a shaft rod (4013) is fixedly installed in the movable groove (4012), one end of the stop rod (402) is rotationally connected with the shaft rod (4013), and a spring (403) is fixedly installed between the movable groove (4012) and the stop rod (402) on one side, close to the shaft rod (4013).

5. The internal climbing tower crane according to claim 1, wherein: guide rods (3) are fixedly installed on two sides of the crawling ladder (2), the guide rods (3) are of rectangular structures, and the high-altitude operation safety belt (5) comprises a safety rope (501) fixed with the sliding block (401).