CN210559026U

CN210559026U - Tower crane safety ladder stand for hoisting large equipment in thermal power plant

Info

Publication number: CN210559026U
Application number: CN201921180658.XU
Authority: CN
Inventors: 张永良; 高健; 贺仕杰; 李占全
Original assignee: Tianjin Launch Special Crane Engineering Co ltd
Current assignee: Tianjin Launch Special Crane Engineering Co ltd
Priority date: 2019-07-25
Filing date: 2019-07-25
Publication date: 2020-05-19
Anticipated expiration: 2029-07-25

Abstract

The utility model relates to a tower crane safety cat ladder is used in hoisting of thermal power factory major possession equipment, including the cat ladder main part, be equipped with U type safety cage in the cat ladder main part, bear device, spout and rack, be equipped with anti-falling device on the rack, safety cage that upper portion one side of safety cage was equipped with passageway and passageway below is equipped with the platform outward, and cat ladder main part bottom is equipped with elevator case and elevator case internal rotation and is equipped with the bobbin, and the pivot one end of bobbin runs through elevator case and is connected with the motor, and the bobbin passes through the lifting rope and bears the device to be connected. The utility model can provide basic safety protection for the workers climbing directly by arranging the safety cage and the treading rod; meanwhile, the combination of the bearing device and the winding reel facilitates the worker to ascend to the working position of the tower crane, so that the worker can ascend to the working position quickly under the hoisting of the motor; finally, the anti-falling device can provide corresponding safety protection for workers, and the workers can be prevented from falling from the ladder stand when the equipment fails.

Description

Tower crane safety ladder stand for hoisting large equipment in thermal power plant

Technical Field

The utility model relates to a tower crane technical field especially relates to a thermal power factory major possession equipment hoist and mount are with tower crane safety cat ladder.

Background

The tower crane is a high-rise lifting machine which is most commonly used when large equipment of a thermal power plant is hoisted, an operating room of the tower crane is arranged at the highest position of the top end of the tower crane and is dozens of meters away from the ground, an operator needs to go up and down four times and five times every day, and the operation room all climbs up and down from a section of crawling ladder hung on the outer side of a tower body. The upper sections of the ladder stand are arranged in a staggered mode, no blocking protection is arranged on the outer side of the ladder stand, an operator can grab the pedals on the vertical ladder stand by hands, and once the operator loses hands or kicks empty, serious casualty accidents are caused inevitably, and great threat is brought to safety construction.

Disclosure of Invention

The utility model discloses aim at solving prior art's not enough, and provide a thermal power factory major possession equipment hoist and mount and use tower crane safety cat ladder.

The utility model discloses a realize above-mentioned purpose, adopt following technical scheme:

the utility model provides a thermal power factory major possession equipment hoist and mount is with tower crane safety cat ladder, includes the cat ladder main part, cat ladder main part one side is equipped with U type safety cage, it bears the device to slide to be equipped with in the safety cage, the both sides that the cat ladder main part is close to safety cage one side all are equipped with the spout, are equipped with the rack in the cat ladder main part between two spouts, be equipped with anti-falling device on the rack, safety cage that upper portion one side of safety cage was equipped with passageway and passageway below is equipped with the platform outward, cat ladder main part bottom is equipped with elevator case and elevator case internal rotation and is equipped with the bobbin, the pivot one end of bobbin runs through elevator case and is connected with the motor.

The bearing device comprises columnar guide rails which are arranged on two sides and the front side in the safety cage through connecting columns, a sleeve is arranged on the guide rails in an outer sliding mode, a notch for the connecting columns to penetrate through is formed in one side, close to the safety cage, of the sleeve, and the other side of the sleeve is connected with a bearing plate through a support and the bearing plate is connected with a winding drum through a lifting rope.

In particular, the top surface of the bearing plate is provided with a rubber anti-skid pad.

Particularly, a plurality of treading rods are arranged between the guide rail at the front side and the guide rails at the two sides in the safety cage.

It is very much, anti-falling device includes the safety box, the safety box is close to spout one side and is equipped with the slider with spout sliding connection, be close to slider one side rotation and coaxial a plurality of gears that are equipped with in the safety box, gear and rack toothing, the opposite side is equipped with reinforcing plate and is close to gear one side and is equipped with the triangle block that varies, the first long limit of triangle block is located the top and the shortest limit on the long limit of second and is connected with the reinforcing plate contact, the one side top that the triangle block is close to the reinforcing plate is articulated with the reinforcing plate, the safety that both sides and front side all were equipped with safety button and both sides is detained and is hung down and be equipped with the pedal, the both sides of safety box still are equipped with the handle that is equipped with in arc wall and the arc wall.

Particularly, the inner wall of the ladder stand main body and the inner wall of the safety cage are provided with anti-collision rubber layers.

The utility model has the advantages that: the utility model can provide basic safety protection for the workers climbing directly by arranging the safety cage and the treading rod; meanwhile, the combination of the bearing device and the winding reel facilitates the worker to ascend to the working position of the tower crane, so that the worker can ascend to the working position quickly under the hoisting of the motor; finally, the anti-falling device can provide corresponding safety protection for workers, and the workers can be prevented from falling from the ladder stand when the equipment fails.

Drawings

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

fig. 2 is a cross-sectional view of the present invention;

FIG. 3 is a schematic view of the structure of the safety box;

in the figure: 1-ladder climbing main body; 2-a safety cage; 3-a chute; 4-a rack; 5-a platform; 6-elevator car; 7-a bobbin; 8, a motor; 9-a guide rail; 10-a sleeve; 11-a carrier plate; 12-step on the pole; 13-a safety box; 14-a gear; 15-a reinforcing plate; 16-a triangular block; 17-safety buckle; 18-pedal; 19-a handle;

Detailed Description

The invention will be further explained with reference to the following figures and examples:

as shown in fig. 1-3, a tower crane safety ladder stand is used in hoisting of major possession equipment of thermal power factory, including cat ladder

main part

1, 1 one side of cat ladder main part is equipped with U type safety cage 2, it bears the device to slide in the safety cage 2, cat ladder main part 1 all is equipped with spout 3 near the both sides of 2 one side of safety cage, is equipped with rack 4 on the cat ladder main part 1 between two spout 3, be equipped with anti-falling device on the rack 4, safety cage 2 that upper portion one side of safety cage 2 was equipped with passageway and passageway below is equipped with platform 5 outward, 1 bottom of cat ladder main part is equipped with elevator case 6 and 6 rotations of elevator case and is equipped with bobbin 7, 6 parallel motors 8 of elevator case are run through to pivot one end of bobbin 7, bobbin 7 is connected with bearing the device through the lifting rope.

Particularly, bear the device and include the columnar guide rail 9 of locating both sides and front side in safety cage 2 through the spliced pole, guide rail 9 slides outward and is equipped with sleeve pipe 10 and is close to safety cage 2 one side and is equipped with the breach that supplies the spliced pole to pass, sleeve pipe 10 opposite side has loading board 11 and loading board 11 to be connected with bobbin 7 through the lifting rope through the support even.

In particular, the top surface of the bearing plate 11 is provided with a rubber anti-skid pad.

Particularly, a plurality of treading rods 12 are arranged between the guide rail 9 at the front side and the guide rails 9 at the two sides in the safety cage 2.

It is unusual, anti-falling device includes safety box 13, safety box 13 is close to 3 one sides of spout and is equipped with the slider with 3 sliding connection of spout, it rotates and coaxial a plurality of gears 14 to be equipped with to be close to slider one side in the safety box 13, gear 14 and rack 4 meshing, opposite side is equipped with reinforcing plate 15 and is close to gear 14 one side and is equipped with triangle block 16 that varies, the first long limit of triangle block 16 is located the top on the long limit of second and the shortest limit is connected with reinforcing plate 15 contact, it is articulated with reinforcing plate 15 that one side top that triangle block 16 is close to reinforcing plate 15, safety box 13 outer both sides and front side all are equipped with safe knot 17 and the safe knot 17 of both sides and hang down and are equipped with pedal 18, safety box 13's both sides still are equipped with the handle 19 with triangle block 16 rigid coupling in arc wall and the arc wall.

In particular, the inner walls of the ladder stand main body 1 and the safety cage 2 are provided with anti-collision rubber layers.

The utility model is arranged on a tower crane main body, a worker sits on a bearing plate 11, then the safety rope on the body is firmly locked with a safety buckle 17 at the front side of a safety box 13, a control motor 8 rotates to enable a lifting rope to lift the bearing plate 11, in the lifting process, the safety rope pulls up the safety box 13, a gear 14 moves on a rack 4, when the safety rope is lifted to a passage, the worker untwists the safety rope to go to a working position through a platform 5, when falling occurs, a triangular block 16 blocks the gear 14, the safety box 13 is prevented from continuing falling, and meanwhile, due to the existence of the safety rope, the safety box 13 drags the worker to avoid falling; when an operator leaves the tower crane, the operator sits on the bearing plate 11, then the safety rope on the body is firmly locked with the safety buckle 17 on the front side of the safety box 13, meanwhile, the foot steps on the pedal 18, the handle 19 is lifted by the hand, the control motor 8 rotates to enable the lifting rope to put the bearing plate 11 down, the safety rope is untied until the bearing plate 11 moves down to the lowest point, if a falling accident occurs in the downward moving process, the handle 19 is released by the hand, the gear 14 is clamped by the triangular block 16 at the moment, the safety box 13 is prevented from continuing falling, and meanwhile, due to the existence of the safety rope, the safety box 13 drags the operator to avoid directly falling; the staff can also carry out bare-handed climbing through stepping on pole 12, and safety cage 2 can provide suitable safety protection this moment.

The present invention has been described above with reference to the accompanying drawings, and it is obvious that the present invention is not limited by the above embodiments, and various improvements made by the method concept and technical solution of the present invention or directly applied to other occasions without improvement are all within the protection scope of the present invention.

Claims

1. A tower crane safety ladder stand for hoisting large equipment in a thermal power plant is characterized by comprising a ladder stand main body (1), wherein a U-shaped safety cage (2) is arranged on one side of the ladder stand main body (1), a bearing device is arranged in the safety cage (2) in a sliding manner, sliding chutes (3) are respectively arranged on two sides of one side, close to the safety cage (2), of the ladder stand main body (1) between the two sliding chutes (3), a rack (4) is arranged on the ladder stand main body (1) between the two sliding chutes (3), an anti-falling device is arranged on the rack (4), a channel is arranged on one side of the upper portion of the safety cage (2), a platform (5) is arranged outside the safety cage (2) below the channel, an elevator case (6) is arranged at the bottom end of the ladder stand main body (1), a winding reel (7) is arranged in the elevator case (6) in a rotating, the winding reel (7) is connected with the bearing device through a lifting rope.

2. The tower crane safety ladder stand for hoisting of large equipment in thermal power plant as claimed in claim 1, wherein the bearing device comprises a columnar guide rail (9) arranged at the front side and two sides in the safety cage (2) through a connecting column, the guide rail (9) is provided with a sleeve (10) in an outer sliding manner, one side of the sleeve (10) close to the safety cage (2) is provided with a notch for the connecting column to pass through, the other side of the sleeve (10) is connected with a bearing plate (11) through a support, and the bearing plate (11) is connected with the winding reel (7) through a lifting rope.

3. The tower crane safety ladder stand for hoisting of large equipment in a thermal power plant as claimed in claim 2, wherein the top surface of the bearing plate (11) is provided with a rubber non-slip mat.

4. The tower crane safety ladder stand for hoisting of large equipment in a thermal power plant as claimed in claim 2, wherein a plurality of treading rods (12) are arranged between the guide rails (9) at the inner front side of the safety cage (2) and the guide rails (9) at the two sides.

5. The tower crane safety ladder stand for hoisting of large equipment in thermal power plant as claimed in claim 1, wherein the anti-falling device comprises a safety box (13), the safety box (13) is provided with a sliding block connected with the sliding groove (3) in a sliding manner near one side of the sliding groove (3), a plurality of gears (14) are arranged in the safety box (13) in a rotating manner near one side of the sliding block and coaxially, the gears (14) are meshed with the rack (4), a reinforcing plate (15) is arranged at the other side of the safety box (13) and the reinforcing plate (15) is provided with a triangle block (16) with unequal sides near one side of the gears (14), the first long side of the triangle block (16) is arranged above the second long side and is in contact connection with the reinforcing plate (15), the top end of one side of the triangle block (16) near the reinforcing plate (15) is hinged to the reinforcing plate (15), safety buckles (17) are arranged at the outer two sides and the front side of the safety box (13) and safety buckles (17) at the two sides are The pedal (18), the both sides of safety box (13) still are equipped with the arc wall and the arc wall is equipped with handle (19) with triangle piece (16) rigid coupling.

6. The tower crane safety ladder stand for hoisting of large equipment in a thermal power plant as claimed in claim 1, wherein the inner wall of the ladder stand main body (1) and the inner wall of the safety cage (2) are provided with anti-collision rubber layers.