CN220747619U - Protective device of construction lifting platform - Google Patents

Abstract

The utility model discloses a protection device for a construction lifting platform, which comprises a lifting frame, wherein one end of the lifting frame is provided with the lifting platform, one end of the lifting platform is provided with a protection mechanism, a telescopic connecting rod is arranged in the protection mechanism, and one end of the telescopic connecting rod is provided with a limiting mechanism; in this construction lift platform's protector, under driving motor's use, can rotate the second gear that first gear one end meshing was connected for the serration plate of connecting rod one end installation rotates, and then stretches the rail guard that third gear one end was connected through adjusting the connecting rod, thereby makes the rail guard be higher than half height of workman, thereby protects the workman, avoids dropping.

Description

Protective device of construction lifting platform

Technical Field

The utility model relates to the technical field of lifting platforms, in particular to a protection device for a construction lifting platform.

Background

Various scaffolds are used in building construction to perform construction work on locations that are not directly accessible. The scaffold is mostly fixed, difficult to move, needs to be repeatedly built and disassembled, is suitable for continuous construction operation, and needs to use a movable lifting platform for the follow-up construction operation which often needs to move positions, but the existing construction lifting platform has some defects, such as.

Authorized bulletin number: CN213950516U, authorized public number day: 2021.08.13, the lifting construction platform comprises a chassis and a workbench horizontally arranged right above the chassis, the chassis and the workbench are connected through a lifting mechanism, the lifting mechanism comprises a sleeve vertically fixed on the upper surface of the chassis, a stay bar is slidably arranged in the sleeve, the top of the stay bar is fixedly connected with the workbench, the bottom of the stay bar is connected with a hydraulic cylinder, and the bottom of the hydraulic cylinder is arranged on the chassis; a buffer spring is also arranged in the sleeve, and the lower end of the buffer spring is fixedly propped against the bottom of the stay bar; the inner wall of the sleeve is provided with a plurality of sliding grooves along the vertical direction, the sliding grooves on the sleeve are distributed on the inner wall of the sleeve at equal intervals, a plurality of sliding blocks matched with the sliding grooves are fixed at the bottom edge of the supporting rod, and the sliding blocks are matched into the sliding grooves; a plurality of lifting mechanisms are connected between the chassis and the workbench, the technical proposal provides a lifting construction platform which is safe and reliable and stably lifted,

however, the above prior art solution has a drawback that the existing protection device for the construction lifting platform has a simple structure, and a user is easy to accident due to unstable center of gravity when performing edge operation of the lifting platform, so we propose a protection device for the construction lifting platform, so as to solve the above-mentioned problem.

Disclosure of Invention

The utility model aims to provide a protection device for a construction lifting platform, which can rotate a second gear connected with one end of a first gear in a meshed manner under the use of a driving motor, so that a serration plate arranged at one end of a connecting rod rotates, and further one end of a third gear is stretched through a guard rail connected with an adjusting connecting rod, so that the guard rail is higher than half of a worker, the worker is protected, and falling is avoided.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a protector of construction lift platform, includes the crane, lift platform is installed to crane one end, lift platform one end is provided with protection machanism, the inside flexible connecting rod that is provided with of protection machanism, flexible connecting rod one end is provided with stop gear.

Preferably, the protection mechanism comprises a driving motor, a first gear, a second gear, a connecting rod, a serration plate, a third gear, an adjusting connecting rod and a protective fence, wherein the driving motor is arranged inside the lifting platform, the first gear is installed at the output end of the driving motor, the second gear is connected with one end of the first gear in a meshed mode, the serration plate is installed at one end of the second gear through the connecting rod, the third gear is connected with the surface of the serration plate in a meshed mode, and one end of the third gear is connected with the protective fence through the adjusting connecting rod.

Preferably, the third gear, the adjusting connecting rod and the guard rail are all arranged on the surface of the sawtooth plate, and the surface of the guard rail is distributed in a hexagonal shape.

Preferably, the three groups of adjusting connecting rods and the guard rail are arranged on the surface of the lifting platform, and the stretching height of the three groups of adjusting connecting rods and the guard rail is 1.8 meters.

Preferably, the telescopic connecting rods are arranged between the two groups of protective fences, and the surfaces of the telescopic connecting rods are arranged in an X-shaped cross distribution mode.

Preferably, the stop gear includes fixed block, spacing groove, stopper, cylinder and rotatory piece, the fixed block sets up in flexible connecting rod one end, the spacing groove has been seted up to the fixed block inner wall, the stopper is installed to the spacing groove top, stopper one end is connected with rotatory piece through the cylinder, rotatory piece sets up in rail guard one end.

Preferably, the surface of the limiting groove is distributed in a concave shape, the limiting blocks are distributed in a mouth shape, and the inner diameter width size of the limiting groove is smaller than the outer diameter length size of the limiting blocks.

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

1. this construction lift platform's protector, through protection machanism's setting, under driving motor's use, can rotate the second gear that first gear one end meshing is connected for the serration plate of connecting rod one end installation rotates, and then stretches the rail guard that third gear one end is connected through adjusting the connecting rod, thereby makes the rail guard be higher than half height of workman, thereby protects the workman, avoids dropping, and simultaneously under stop gear's use, can limit the rail guard height.

Drawings

FIG. 1 is a schematic elevational view of the present utility model;

FIG. 2 is a schematic view of a protecting mechanism according to the present utility model;

FIG. 3 is a schematic diagram of the front view of the protection mechanism of the present utility model;

FIG. 4 is a schematic view of a limiting mechanism according to the present utility model;

fig. 5 is a schematic side view of the limiting mechanism of the present utility model.

In the figure: 1. a lifting frame; 2. a lifting platform; 3. a protective mechanism; 301. a driving motor; 302. a first gear; 303. a second gear; 304. a connecting rod; 305. a serrated plate; 306. a third gear; 307. adjusting the connecting rod; 308. a guard rail; 4. a telescopic connecting rod; 5. a limiting mechanism; 501. a fixed block; 502. a limit groove; 503. a limiting block; 504. a cylinder; 505. and rotating the block.

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. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-5, the present utility model provides a technical solution: the utility model provides a protector of construction lift platform, including crane 1, crane 1 installs lift platform 2 in one end, lift platform 2 one end is provided with protection machanism 3, protection machanism 3 includes driving motor 301, first gear 302, second gear 303, connecting rod 304, serration board 305, third gear 306, adjust connecting rod 307 and rail guard 308, driving motor 301 sets up in lift platform 2 inside, first gear 302 is installed to driving motor 301 output, first gear 302 one end meshing is connected with second gear 303, serration board 305 is installed to second gear 303 one end through connecting rod 304, serration board 305 surface meshing is connected with third gear 306, third gear 306 one end is connected with rail guard 308 through adjust connecting rod 307, third gear 306, adjust connecting rod 307 and rail guard 308 all are provided with three groups on serration board 305 surface, and rail guard 308 surface is hexagonal distribution setting, adjust connecting rod 307 and rail guard 308 are provided with three groups on lift platform 2 surface, and three groups adjust connecting rod 307 and rail guard 308 stretch height is 1.8 meters;

under the use of the driving motor 301, the second gear 303 which is in meshed connection with one end of the first gear 302 can be rotated, so that the serration plate 305 arranged at one end of the connecting rod 304 can be rotated, and then the guard rail 308 connected with one end of the third gear 306 through the adjusting connecting rod 307 can be stretched, so that the guard rail 308 is higher than half of the height of a worker, and the worker is protected from falling;

the protection mechanism 3 is internally provided with a telescopic connecting rod 4, the telescopic connecting rod 4 is arranged between two groups of guard rails 308, the surfaces of the telescopic connecting rods 4 are in X-shaped cross distribution, one end of each telescopic connecting rod 4 is provided with a limiting mechanism 5, each limiting mechanism 5 comprises a fixed block 501, a limiting groove 502, a limiting block 503, an air cylinder 504 and a rotating block 505, the fixed block 501 is arranged at one end of each telescopic connecting rod, the inner wall of each fixed block 501 is provided with the corresponding limiting groove 502, the limiting block 503 is arranged above each limiting groove 502, one end of each limiting block 503 is connected with the corresponding rotating block 505 through the corresponding air cylinder 504, the rotating blocks 505 are arranged at one end of each guard rail 308, the surfaces of the limiting grooves 502 are in concave-shaped distribution, the limiting blocks 503 are in-shaped distribution, and the inner diameter width dimension of each limiting groove 502 is smaller than the outer diameter and the length dimension of each limiting block 503;

under the use of adjusting the connecting rod 307 to adjust the height of rail guard 308, then under the use of cylinder 504, put into the spacing groove 502 that fixed block 501 surface was seted up with stopper 503, under the use of rotatory piece 505, put stopper 503 transversely in spacing groove 502, thereby make stopper 503 and spacing groove 502 block each other and connect, carry out spacing with the expansion link 4 height.

Working principle: for the protection device of the construction lifting platform, firstly, under the use of the driving motor 301, the second gear 303 which is in meshed connection with one end of the first gear 302 can be rotated, the serration plate 305 arranged at one end of the connecting rod 304 can be rotated, and then the protective guard 308 which is connected with one end of the third gear 306 through the adjusting connecting rod 307 can be stretched, so that the protective guard 308 is higher than half height of a worker, the worker is protected from falling, then under the use of the adjusting connecting rod 307, the height of the protective guard 308 is adjusted, then under the use of the air cylinder 504, the limiting block 503 is placed into the limiting groove 502 formed on the surface of the fixing block 501, secondly under the use of the rotating block 505, the limiting block 503 is transversely placed into the limiting groove 502, so that the limiting block 503 and the limiting groove 502 are mutually clamped and connected, the height of the telescopic connecting rod 4 is limited, and finally, the worker starts construction, so that the use process of the protection device of the whole construction lifting platform is completed.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (7)

1. The utility model provides a protector of construction lift platform, includes crane (1), its characterized in that: lifting platform (2) are installed to crane (1) one end, lifting platform (2) one end is provided with protection machanism (3), protection machanism (3) inside is provided with flexible connecting rod (4), flexible connecting rod (4) one end is provided with stop gear (5).

2. The protective device for a construction hoist platform according to claim 1, characterized in that: the protection mechanism (3) comprises a driving motor (301), a first gear (302), a second gear (303), a connecting rod (304), a serration plate (305), a third gear (306), an adjusting connecting rod (307) and a protective guard (308), wherein the driving motor (301) is arranged inside a lifting platform (2), the first gear (302) is installed at the output end of the driving motor (301), the second gear (303) is connected with one end of the first gear (302) in a meshed mode, the serration plate (305) is installed at one end of the second gear (303) through the connecting rod (304), the third gear (306) is connected with one end of the third gear (306) in a meshed mode through the adjusting connecting rod (307).

3. A protective device for a construction hoist platform according to claim 2, characterized in that: the third gear (306), the adjusting connecting rod (307) and the guard rail (308) are all arranged on the surface of the sawtooth plate (305), and the surfaces of the guard rails (308) are distributed in a hexagonal shape.

4. A protective device for a construction hoist platform according to claim 2, characterized in that: three groups of adjusting connecting rods (307) and guard rails (308) are arranged on the surface of the lifting platform (2), and the stretching height of the three groups of adjusting connecting rods (307) and the guard rails (308) is 1.8 meters.

5. A protective device for a construction hoist platform according to claim 1 or 2, characterized in that: the telescopic connecting rods (4) are arranged between the two groups of protective rails (308), and the surfaces of the telescopic connecting rods (4) are arranged in an X-shaped cross distribution mode.

6. A protective device for a construction hoist platform according to claim 1 or 2, characterized in that: stop gear (5) are including fixed block (501), spacing groove (502), stopper (503), cylinder (504) and rotatory piece (505), fixed block (501) set up in flexible connecting rod (4) one end, spacing groove (502) have been seted up to fixed block (501) inner wall, stopper (503) are installed to spacing groove (502) top, stopper (503) one end is connected with rotatory piece (505) through cylinder (504), rotatory piece (505) set up in rail guard (308) one end.

7. The protective device for a construction hoist platform according to claim 6, characterized in that: the surface of the limiting groove (502) is in concave distribution, the limiting blocks (503) are in opening distribution, and the inner diameter width dimension of the limiting groove (502) is smaller than the outer diameter length dimension of the limiting blocks (503).