CN220011948U - A safe cat ladder for tower machine - Google Patents

Abstract

The utility model relates to the technical field of climbing ladders, and discloses a safe climbing ladder for a tower crane, which comprises two longitudinally arranged ladder beams and a plurality of pedals equidistantly welded between the two ladder beams, wherein a shell is arranged on the surface of one ladder beam, a sliding component is arranged between the shell and the ladder beam, a plurality of longitudinally distributed stop blocks are arranged on the ladder beam, a deflection rod is rotatably arranged at the position, far away from the outer side wall of the ladder beam, of the shell, a connecting ring is arranged on the lower surface of the end part of the deflection rod, and an anti-falling protection mechanism is arranged between the shell and the deflection rod. The utility model ensures that the crawling ladder for the tower crane has the function of preventing personnel from falling, thereby greatly guaranteeing the safety of the personnel and avoiding safety accidents caused by the personnel falling due to foot loss.

Description

A safe cat ladder for tower machine

Technical Field

The utility model relates to the technical field of crawling ladders, in particular to a safe crawling ladder for a tower crane.

Background

The tower crane is mainly used for vertical and horizontal conveying of materials in house building construction and installation of building components, and mainly comprises a ladder beam and a cross beam between the ladder beams, wherein a cockpit of the tower crane is positioned at the top end of the tower crane, and an operator can climb into the cockpit to operate by means of a ladder stand.

In the actual operation process, an operator climbs up and down, the hands of the operator can grasp the upper pedal, the feet can tread the lower pedal and keep stable, but no anti-falling protection mechanism exists in the up-down climbing process, although the anti-slip pad made of rubber materials is arranged on the pedal, the friction force between the pedal and the feet can be increased, the stability in up-down crawling is ensured, but the falling problem in the climbing process cannot be avoided in a friction force increasing manner, and therefore, the safety ladder for the tower crane is provided to solve the problem.

Disclosure of Invention

The utility model aims to solve the problems in the background art and provides a safety cat ladder for a tower crane.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

a safe cat ladder for tower machine, including two vertically set up ladder beams and a plurality of equidistance welding footboard between two ladder beams, one of them the surface of ladder beam is equipped with the casing, install sliding component between casing and the ladder beam, and install a plurality of vertically distributed's backstop piece on the ladder beam, the lateral wall department rotation of ladder beam is kept away from to the casing installs the deflection pole, the lower surface mounting of deflection pole tip has the go-between, install anti-falling protection mechanism between casing and the deflection pole.

Preferably, the anti-falling protection mechanism comprises an L-shaped plate attached to the end part of the deflection rod, a clamping block is slidably arranged at one end of the shell away from the L-shaped plate, a movable block connected with the clamping block is slidably arranged in the shell, an elastic piece is arranged between the movable block and the inner wall of one end of the shell, and one side, close to the elastic piece, of the movable block is connected with a sliding rod connected with the L-shaped plate.

Preferably, the elastic member includes a return spring.

Preferably, the sliding component comprises a T-shaped sliding block arranged on one side of the shell close to the ladder beam, and a T-shaped sliding groove for the T-shaped sliding block to slide is formed in the ladder beam.

Preferably, a rectangular magnet attached to the top of the deflection rod is fixedly mounted on the outer side wall of the shell, and the deflection rod comprises an iron rod.

Preferably, the bottom of footboard has seted up the opening of U type structure, and installs the hand pole in the opening, a plurality of slipmat is inlayed at the top of footboard.

Compared with the prior art, the utility model provides a safe cat ladder for a tower crane, which has the following beneficial effects:

this a safe cat ladder for tower machine, through rotating the deflection pole to the horizontality, after the cat ladder personnel drew the safety belt, utilized the lock buckle cover with the one end of safety belt on the go-between, the in-process that cooperation slip subassembly made things convenient for personnel to climb from top to bottom drives the casing and goes up and down along the ladder beam, if the climbing personnel drops because of unexpected the foot, utilizes anti-falling protection mechanism and sets up a plurality of stop dog on the ladder beam and can effectively prevent personnel to fall to the security of cat ladder is greatly guaranteed.

The device has the advantages that the parts which are not involved in the device are the same as or can be realized by adopting the prior art, and the climbing ladder for the tower crane has the function of preventing personnel from falling, so that the safety of the personnel is greatly ensured, and the safety accident caused by the personnel falling due to foot loss is avoided.

Drawings

FIG. 1 is a front view of a safety ladder for a tower crane according to the present utility model;

FIG. 2 is a schematic view of the connection between the housing and the ladder beam in accordance with the present utility model;

FIG. 3 is an enlarged view of portion A of FIG. 1;

FIG. 4 is a schematic view showing the internal structure of the housing according to the present utility model;

fig. 5 is a top view of the pedal of the present utility model.

In the figure: 1. ladder beams; 2. a pedal; 3. a housing; 4. a stop block; 5. a deflection lever; 6. a connecting ring; 7. an L-shaped plate; 8. a clamping block; 9. a movable block; 10. an elastic member; 11. a slide bar; 12. a T-shaped slider; 13. a T-shaped chute; 14. a rectangular magnet; 15. a walking bar; 16. an anti-slip mat.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.

In the description of the present utility model, it should be understood that the terms "upper," "lower," "front," "rear," "left," "right," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the present utility model and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

Referring to fig. 1-2 and 5, a safe cat ladder for tower crane, including two vertically set up ladder beams 1 and a plurality of equidistance welding footboard 2 between two ladder beams 1, a plurality of slipmat 16 is installed in the top mosaic of footboard 2, increase frictional force plays the antiskid effect, the opening of U type structure has been seted up to the bottom of footboard 2, and install hand lever 15 in the opening, guarantee the stability of climbing from top to bottom, the surface of one of them ladder beam 1 is equipped with casing 3, install sliding component between casing 3 and the ladder beam 1, sliding component is including installing the T type slider 12 that is close to ladder beam 1 one side at casing 3, offer the gliding T type spout 13 of confession T type slider 12 on the ladder beam 1.

Referring to fig. 1 and 3, install a plurality of longitudinally distributed backstop pieces 4 on the ladder beam 1, the lateral wall department rotation that ladder beam 1 was kept away from to casing 3 installs the deflection pole 5, fixed mounting has the rectangle magnet 14 that laminates mutually with deflection pole 5 top on the lateral wall of casing 3, conveniently make deflection pole 5 rotate to the horizontality fast, deflection pole 5 includes the iron pole, the adsorption force of rectangle magnet 14 can make deflection pole 5 can not take place to rotate easily, the lower surface mounting of deflection pole 5 tip has go-between 6, can overlap the lock buckle of safety belt tip on go-between 6 after climbing personnel dresses the safety belt, install anti-falling protection mechanism between casing 3 and the deflection pole 5, prevent that climbing personnel from taking place to fall.

Referring to fig. 1 and 3-4, the anti-falling protection mechanism comprises an L-shaped plate 7 attached to the end part of a deflection rod 5, a clamping block 8 is slidably arranged at one end of the housing 3 far away from the L-shaped plate 7, a movable block 9 connected with the clamping block 8 is slidably arranged in the housing 3, an elastic piece 10 is mounted between the movable block 9 and the inner wall of one end of the housing 3, the elastic piece 10 comprises a reset spring, one side, close to the elastic piece 10, of the movable block 9 is connected with a sliding rod 11 connected with the L-shaped plate 7, and after the deflection rod 5 is separated from the L-shaped plate 7 due to rotation, the elastic piece 10 is reset to pop up the clamping block 8, and the anti-falling effect is achieved by matching with a plurality of stop blocks 4.

Working principle: when personnel need climb the cat ladder, let personnel wear the safety belt earlier, pulling L template 7 makes slide bar 11 drive movable block 9 slide and compress elastic component 9 in casing 3, and movable block 9 then drives fixture block 8 synchronous motion, make fixture block 8 shrink gradually to casing 3 in, then rotate the bull stick 5 and make it laminate with rectangular magnet 14, the bull stick 5 is the horizontality this moment, loosen L template 7 and can make it laminate with the bull stick 5 tip mutually, thereby avoid elastic component 9 to take place to reset, make fixture block 8 keep on the shrink state, overlap the lock buckle of safety belt tip on go-between 6, can make personnel's climbing in-process can make casing 3 drive T type slider 12 along T type spout 13 motion, if personnel's loss falls, the gravity cooperation safety belt of human in the twinkling of an eye can exert the pulling force to the bull stick 5, thereby make bull stick 5 rotate and L template 7 separation, elastic component 9 can take place to reset fixture block 8 to pop up this moment, and a plurality of vertically distributed backstop piece 4 on ladder beam 1 can block the whereabouts stroke of fixture block 8, thereby casing 3 is kept down, prevent falling protection effect.

The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.

Claims (6)

1. The utility model provides a safe cat ladder for tower machine, includes two vertically sets up ladder beams and a plurality of equidistance welding footboard between two ladder beams, one of them the surface of ladder beam is equipped with the casing, install sliding component between casing and the ladder beam, and install a plurality of vertically distributed's backstop piece on the ladder beam, the lateral wall department rotation of ladder beam is kept away from to the casing installs the deflection lever, the lower surface mounting of deflection lever tip has the go-between, install anti-falling protection mechanism between casing and the deflection lever.

2. The safety ladder stand for a tower crane according to claim 1, wherein the anti-falling protection mechanism comprises an L-shaped plate attached to the end of the deflection rod, a clamping block is slidably arranged at one end of the shell away from the L-shaped plate, a movable block connected with the clamping block is slidably arranged in the shell, an elastic piece is arranged between the movable block and the inner wall of one end of the shell, and a sliding rod connected with the L-shaped plate is connected to one side of the movable block, which is close to the elastic piece.

3. A safety ladder for a tower crane according to claim 2, wherein the resilient member comprises a return spring.

4. The safety ladder for a tower crane according to claim 1, wherein the sliding assembly comprises a T-shaped sliding block mounted on one side of the housing close to the ladder beam, and the ladder beam is provided with a T-shaped sliding groove for sliding the T-shaped sliding block.

5. The safety ladder for a tower crane according to claim 1, wherein the rectangular magnet attached to the top of the deflection rod is fixedly installed on the outer side wall of the housing, and the deflection rod comprises an iron rod.

6. The safe crawling ladder for a tower crane according to claim 1, wherein a notch with a U-shaped structure is formed in the bottom of the pedal, a hand rod is installed in the notch, and a plurality of anti-slip pads are installed on the top of the pedal in an embedded mode.