CN213505659U

CN213505659U - Scaffold frame safety hoisting device

Info

Publication number: CN213505659U
Application number: CN202022468213.0U
Authority: CN
Inventors: 李如坤
Original assignee: Tianjin Longgao Technology Co ltd
Current assignee: Tianjin Longgao Technology Co ltd
Priority date: 2020-10-30
Filing date: 2020-10-30
Publication date: 2021-06-22
Anticipated expiration: 2030-10-30

Abstract

The utility model discloses a scaffold frame safety hoisting device, including the scaffold frame body, the inside connecting screw that rotates right of first bearing, screw rod threaded connection nut seat, nut seat bottom left side is rotated and is connected a set of pulley, the inside bottom fixed connection pressure sensor of nut seat, the inside right side bottom fixed connection stopper of nut seat. The utility model discloses in, at first through install nut seat additional on the electric hoist device that promotes, and make nut seat be connected with the screw rod on the scaffold frame, make the nut seat of installing the pulley can transversely drive the electric hoist, make things convenient for hoisting device's use, through at nut seat and steel chain reel contact surface installation pressure sensor, the stopper of pressure sensor connection nut seat right side installation, a braking for the rolling axis of rolling belt, when the lifting hook goes wrong and drops, can realize the locking of lifting hook, promote the security, be worth wideling popularize.

Description

Scaffold frame safety hoisting device

Technical Field

The utility model relates to a scaffold frame field especially relates to a scaffold frame safety hoisting device.

Background

The scaffold is various supports erected for workers to operate and work at a high place on a construction site, is a general term in the field of buildings, and is mainly used on an outer wall, interior decoration or a place with a higher floor height and incapable of being directly constructed on the construction site. The scaffold manufacturing material is usually bamboo, wood, steel pipe or synthetic material; at present, scaffolds are also used as templates in part of projects, and are also widely used in the fields of advertising industry, municipal administration, traffic roads and bridges, mines and the like. Returning to the field of construction, the existing scaffold is mainly erected by adopting steel pipes, connecting clamping pieces and other components according to a preset specification, a required fixing structure cannot be temporarily additionally arranged on the existing scaffold in the erecting process, and steel pipes with different specifications are required to be used for different parts of the scaffold, so that the scaffold is more in material types, the scaffold is complex in structure, too much labor is required to be consumed in the assembling and disassembling processes, and the labor intensity is high for a single constructor; meanwhile, the consistency of the connecting structures at different parts of the frame body is low during assembly, so that the uncertainty caused by human factors in the assembly process is increased, and the frame body is easy to have a great number of potential safety hazards.

Present scaffold puts up hoisting device, the article that need promote need hang on the lifting hook, and the article that needs little weight are, just need consume a large amount of manpower transport, and is not very convenient, makes personnel's intensity of labour strengthen, and hoisting device itself just has the danger of dropping moreover, and the easy area of bringing of problem promotes drops together, can cause danger to bottom personnel, if what promote is many workman's platform, just more danger, and the potential safety hazard is huge.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a scaffold safety lifting device.

In order to achieve the above purpose, the utility model adopts the following technical scheme: a scaffold safety lifting device comprises a scaffold body, wherein a fixed frame is fixedly connected to the outer side of the bottom of the scaffold body, a sliding rail is arranged at the bottom of the scaffold body, a first bearing is fixedly connected to the left side inside the scaffold body, a second bearing is fixedly connected to the right side inside the scaffold body, a screw rod is connected to the right side inside the first bearing in a rotating mode, the second bearing is connected to the right side of the screw rod in a rotating mode, the screw rod is connected with a nut seat in a threaded mode, a set of pulleys are connected to the left side of the bottom of the nut seat in a rotating mode, the pulleys are connected with the sliding rail in a rotating mode, a servo motor is fixedly connected to the right side of the screw rod, a pressure sensor is fixedly connected to the bottom inside the nut seat, a chain winding drum is fixedly connected to the, the bottom of the right side in the nut seat is fixedly connected with a brake, the left side of the brake is rotatably connected with a rolling shaft, the rolling shaft is rotatably connected with a belt, the belt downwards penetrates through the inner wall of the nut seat, and the bottom of the belt is fixedly connected with a fixer.

As a further description of the above technical solution:

and a support frame is fixedly connected between the scaffold body and the fixing frame.

As a further description of the above technical solution:

the bottom of the fixing frame is fixedly connected with a supporting leg.

As a further description of the above technical solution:

the pressure sensor is connected with the brake through a lead.

As a further description of the above technical solution:

the inner side of the chain winding drum is fixedly connected with a motor.

As a further description of the above technical solution:

and a limiting block is arranged on the left side of the bottom of the nut seat.

As a further description of the above technical solution:

the screw rod, the first bearing and the second bearing are all arranged on the outer side of the scaffold body.

The utility model discloses following beneficial effect has:

1. the utility model discloses in, at first through install the nut seat additional on the electric hoist device that promotes to make the nut seat be connected with the screw rod on the scaffold frame, the screw rod passes through servo motor drive, makes the nut seat of installing the pulley can transversely drive the electric hoist device, does not need too much adjustment need lift by crane the position of mechanism, makes things convenient for hoisting device's use.

2. The utility model discloses in, through at nut seat and steel chain reel contact surface installation pressure sensor, the stopper of nut seat right side installation is connected to pressure sensor, and the lifting hook right side is passed through the belt and is connected for the stopper is being connected to the roll axle of roll belt, when the lifting hook goes wrong and drops, can realize the locking of lifting hook, promotes the security, is worth wideling popularize.

Drawings

Fig. 1 is a front view of a scaffold safety lifting device provided by the present invention;

fig. 2 is a top view of a scaffold safety lifting device provided by the present invention;

fig. 3 is a schematic view of fig. 1 at a.

Illustration of the drawings:

1. a scaffold body; 2. a fixed mount; 3. a support frame; 4. a first bearing; 5. a screw; 6. a servo motor; 7. a second bearing; 8. a slide rail; 9. a holder; 10. a steel chain; 11. a hook; 12. a nut seat; 13. a pulley; 14. a pressure sensor; 15. a chain drum; 16. a belt; 17. a brake; 18. a rolling shaft; 19. an electric motor; 20. and (5) supporting legs.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-3, the present invention provides an embodiment: the utility model provides a scaffold frame safety hoisting device, includes scaffold frame body 1, its characterized in that: the outer side of the bottom of a scaffold body 1 is fixedly connected with a fixed frame 2, the bottom of the scaffold body 1 is provided with a slide rail 8, the left side inside the scaffold body 1 is fixedly connected with a first bearing 4, the right side inside the scaffold body 1 is fixedly connected with a second bearing 7, the inside of the first bearing 4 is connected with a screw rod 5 in a rightward rotating manner, the right part of the screw rod 5 is connected with the second bearing 7 in a rotating manner, the screw rod 5 is connected with a nut seat 12 in a threaded manner, the left side of the bottom of the nut seat 12 is connected with a group of pulleys 13 in a rotating manner, the pulleys 13 are connected with the slide rail 8 in a sliding manner, the right side of the screw rod 5 is fixedly connected with a servo motor 6, firstly, the nut seat 12 is additionally arranged on a lifted electric hoist device and is connected with the screw rod 2 on the scaffold, based on a lead screw transmission principle, make things convenient for hoisting device's use, the inside bottom fixed connection pressure sensor 14 of nut seat 12, nut seat 12 bottom fixed connection chain reel 15, chain reel 15 inside is rotated and is connected steel chain 10, steel chain 10 bottom fixed

connection lifting hook

11, 11 upper portion right side fixed connection fixers 9 of lifting hook, the inside right side bottom fixed connection stopper 17 of nut seat 12, stopper 17 left side is rotated and is connected rolling shaft 18, rolling shaft 18 rotates and is connected belt 16, belt 16 runs through 12 inner walls of nut seat downwards, 16 bottom fixed connection fixers 9 of belt.

Fixedly connected with carriage 3 between scaffold frame body 1 and the

mount

2, 2 bottom fixed connection supporting legs 20 of mount, pressure sensor 14 passes through wire connection stopper 17, pressure sensor 14 senses the extreme speed of pressure and reduces when lifting hook 11 drops, with signal of telecommunication transmission stopper 17, make stopper 17 braking roll up

axle

18, 15 inboard fixed connection motors 19 of chain reel, drive 15 rolling steel chain 10 of chain reel through

motors

19, 12 bottom left sides of nut seat are provided with the stopper, screw rod 5, first bearing 4, second bearing 7 all sets up in the scaffold frame body 1 outside.

The working principle is as follows: firstly, lifting the position of a workpiece or a multi-worker platform as required, lowering a lifting hook 11 by a driving motor 19, then driving a servo motor 6, adjusting the transverse position of the lifting hook 11, when the lifting hook 11 hooks the workpiece to be lifted, starting the motor 19 again to lift the workpiece or the multi-worker platform to a proper position, firstly, installing a nut seat 12 on the lifted electric hoist device, connecting the nut seat 12 with a screw rod 5 on a scaffold, driving the screw rod 5 to rotate by the servo motor 6, enabling the nut seat 12 provided with a pulley 13 to transversely drive the electric hoist device, avoiding excessive adjustment of the position of a mechanism to be lifted, facilitating the use of the lifting device, installing a pressure sensor 14 on the contact surface of the nut seat 12 and a chain winding drum 15, connecting the pressure sensor 14 with a brake 17 installed on the right side of the nut seat 12, sensing the extreme speed reduction of the pressure when the lifting hook 11 falls, with signal of telecommunication transmission to stopper 17, make stopper 17 braking rolling shaft 18, locking the belt 16 who is fixing lifting hook 11, lifting hook 11 right side is passed through the belt 16 and is connected, a rolling shaft 18 for rolling belt 16 is connecting stopper 17, pressure sensor 14 senses the extreme speed of pressure and reduces when lifting hook 11 drops, transmit the signal of telecommunication to stopper 17, make stopper 17 braking rolling shaft 18, locking the belt 16 who is fixing lifting hook 11, when lifting hook 11 goes wrong and drops, can realize lifting hook 11's locking, promote the security, be worth wideling popularize.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. A scaffold safety lifting device, includes scaffold body (1), its characterized in that: the scaffold is characterized in that a fixing frame (2) is fixedly connected to the outer side of the bottom of a scaffold body (1), a sliding rail (8) is arranged at the bottom of the scaffold body (1), a first bearing (4) is fixedly connected to the left side inside the scaffold body (1), a second bearing (7) is fixedly connected to the right side inside the scaffold body (1), a screw (5) is connected to the right side inside the first bearing (4) in a rotating mode, the second bearing (7) is connected to the right side of the screw (5) in a rotating mode, the screw (5) is connected with a nut seat (12) in a threaded mode, a group of pulleys (13) are connected to the left side of the bottom of the nut seat (12) in a rotating mode, the sliding rail (8) is connected to the pulleys (13) in a rotating mode, a servo motor (6) is fixedly connected to the right side of the screw (5), the chain winding drum is characterized in that a chain winding drum (15) is internally and rotatably connected with a steel chain (10), a steel chain (10) bottom fixed connection lifting hook (11), a lifting hook (11) upper portion right side fixed connection fixer (9), a nut seat (12) is internally and rotatably connected with a brake (17) at the bottom of the right side, the brake (17) is rotatably connected with a rolling shaft (18) at the left side, the rolling shaft (18) is rotatably connected with a belt (16), the belt (16) downwards penetrates through the inner wall of the nut seat (12), and the belt (16) is fixedly connected with the fixer (9) at the bottom.

2. A scaffold safety lifting device according to claim 1, wherein: and a supporting frame (3) is fixedly connected between the scaffold body (1) and the fixing frame (2).

3. A scaffold safety lifting device according to claim 1, wherein: the bottom of the fixed frame (2) is fixedly connected with a supporting leg (20).

4. A scaffold safety lifting device according to claim 1, wherein: the pressure sensor (14) is connected with the brake (17) through a lead.

5. A scaffold safety lifting device according to claim 1, wherein: and the inner side of the chain winding drum (15) is fixedly connected with a motor (19).

6. A scaffold safety lifting device according to claim 1, wherein: and a limiting block is arranged on the left side of the bottom of the nut seat (12).

7. A scaffold safety lifting device according to claim 1, wherein: the screw rod (5), the first bearing (4) and the second bearing (7) are all arranged on the outer side of the scaffold body (1).