CN210563334U

CN210563334U - Falling prevention device for scaffold

Info

Publication number: CN210563334U
Application number: CN201920532414.7U
Authority: CN
Inventors: 张博雍
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-04-18
Filing date: 2019-04-18
Publication date: 2020-05-19
Anticipated expiration: 2029-04-18

Abstract

The utility model discloses a falling prevention device for a scaffold, which belongs to the field of building scaffolds and comprises a guide rail and a hanging basket, wherein the outer surface of the rear upper end and the rear lower end of the hanging basket are provided with convex plates, the outer surface of the inner bulge of each convex plate is connected with the inner side surface of the guide rail in a sliding way through a guide chute, the inner surfaces of the rear lower end and the two sides of the hanging basket are fixedly connected with supporting blocks, the inner surfaces of the supporting blocks are fixedly connected with hanging rings, the inner surface of the upper end of each hanging ring is fixedly connected with a sling, the inner surfaces of the square bulges at the two sides of the upper rear end of the hanging basket are provided with square grooves, the inner surfaces of the square grooves of the hanging basket are rotatably connected with supporting round shafts through round grooves, the outer surface of each supporting round shaft is fixedly connected with gears, the safety, the riding comfort is improved.

Description

Falling prevention device for scaffold

Technical Field

The utility model relates to a construction scaffolding field, more specifically say, relate to a scaffold frame is with preventing device that falls.

Background

The scaffold refers to various supports erected for workers to operate and solve vertical and horizontal transportation on a construction site, and is a general term in the building field, and is used in an outer wall, interior decoration or a place with higher floor height and incapable of being directly constructed on a building site;

the scaffold is built very highly, when going on the staff, sets up the hanging flower basket that climbs on the scaffold, and the staff of being convenient for climbs, if the hoist cable fracture at the in-process of climbing can lead to whole hanging flower basket to drop, can add to establish for this reason and prevent the device that falls, its security performance of the device that prevents falling among the prior art still has remained and has improved, can not lead to opening when falling, and when the scaffold hanging flower basket falls to lock and dies in addition, inside does not have buffer structure, takes uncomfortably.

SUMMERY OF THE UTILITY MODEL

1. Technical problem to be solved

To the problem that exists among the prior art, the utility model aims to provide a scaffold frame is with preventing device that falls, when the hoist cable fracture, the extrusion spring drives the dead gear of square strip piece whereabouts card, and the gear is dead in the tooth's socket card, and is fixed when can dropping the hanging flower basket, improves the security performance, can not open, establishes the buffer unit in through the hanging flower basket, can cushion, improves and takes the travelling comfort.

2. Technical scheme

In order to solve the above problems, the utility model adopts the following technical proposal.

A falling prevention device for a scaffold comprises a guide rail and a hanging basket, wherein the outer surface of the upper end and the lower end of the rear side of the hanging basket is provided with a convex plate, the outer surface of the convex part at the inner end of the convex plate is connected to the inner side surface of the guide rail in a sliding manner through a guide sliding groove, the surface of the two sides of the rear lower end of the hanging basket is fixedly connected with a supporting block, the inner surface of the supporting block is fixedly connected with a hanging ring, the inner surface of the upper end of the hanging basket is fixedly connected with a sling, the inner surface of the square convex part at the two sides of the upper rear end of the hanging basket is provided with a square groove, the inner surface of the square groove at the hanging basket is rotatably connected with a supporting round shaft through a round groove, the outer surface of the supporting round shaft is fixedly connected with a gear, the outer surface, the front side outer surface of the square strip clamping block is provided with an inclined notch, when a sling is broken, the extrusion spring drives the square strip block to fall and clamp a dead gear, the gear is clamped in the tooth socket and fixed when a hanging basket falls, safety performance is improved, the gear cannot be opened, a buffering part is arranged in the hanging basket, buffering can be performed, and riding comfort is improved.

Furthermore, the outer surface of the upper end of the square block is fixedly connected with a pull rod, the outer surface of the pull rod is sleeved with an extrusion spring in a sliding mode, the upper end surface of the pull rod is fixedly connected with a circular ring, the inner side surface of the circular ring is fixedly connected with a pull rope, and the pull rope can pull the pull rod upwards to enable the square block not to slide downwards under the normal condition.

Furthermore, the upper end fixed surface of stay cord is connected with the couple, and the upper end outer fixed surface of hoist cable is connected with the pipe, and the rear side outer fixed surface of pipe is connected with the link, and the couple is hung in the link, can be convenient for fix a position the stay cord.

Furthermore, the gear is rotatably connected to the inner side surface of the square groove of the hanging basket through the supporting circular shaft, the gear is meshed with the tooth groove, and the gear is clamped in the tooth groove to rotate when the hanging basket is lifted or lowered normally.

Furthermore, the spring is fixedly connected with the inner side surface of the upper end and the lower end of the hanging basket, the pedal is fixedly connected with the upper surface of the spring, the outer surface of the pedal is connected to the inner side surface of the hanging basket in a sliding mode, the rubber plate is fixedly connected with the upper surface of the pedal, the spring can be used for buffering and damping, the friction force between the rubber plate and the feet is increased, and the buffering performance is improved.

Furthermore, the springs are uniformly distributed on the surface of the lower end of the hanging basket, the springs are distributed on the front, middle and rear sections of the lower surface of the hanging basket, the springs are symmetrically distributed on two sides under the hanging basket, and large spring support shock absorption can be achieved.

Furthermore, the thickness of the rubber plate is not less than one centimeter, and the upper end surface of the rubber plate is provided with longitudinal grains, so that the anti-skid performance of the rubber plate is improved.

3. Advantageous effects

Compared with the prior art, the utility model has the advantages of:

(1) when the hoist cable broke, extrusion spring drove the dead gear of square bar piece whereabouts card, and the gear blocks in the tooth's socket and dies, can be fixed when dropping the hanging flower basket, improves the security performance, can not open, establishes the buffer unit through the hanging flower basket, can cushion, improves and takes the travelling comfort.

(2) The inner side surface of the ring is fixedly connected with a pull rope which can pull the pull rod upwards so that the square blocks do not slide down under normal conditions.

(3) The outer surface of the rear side of the circular tube is fixedly connected with a hanging ring, and the hook is hung in the hanging ring, so that the pull rope can be conveniently positioned.

(4) During normal lifting or descending, the gear is clamped in the tooth grooves to rotate during ascending or descending.

(5) The upper surface of spring fixedly connected with step on the board, the accessible spring cushions the shock attenuation.

(6) The upper surface fixedly connected with rubber slab of step board, rubber slab increase and foot frictional force, increase cushioning nature.

(7) The springs are distributed on the front, middle and rear three sections of the lower surface of the hanging basket, the springs are symmetrically distributed on two sides under the hanging basket, and large spring support shock absorption can be realized.

(8) The upper end surface of the rubber plate is provided with longitudinal grains, so that the anti-skid performance of the rubber plate is improved.

Drawings

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

FIG. 2 is a top view of the connection between the basket and the guide rail of the present invention;

FIG. 3 is an enlarged view of the point A of the present invention;

fig. 4 is an enlarged view of the position B of the present invention.

FIG. 5 is a side view of a partial cross-section of the right end of the connection between the gear and the basket of the present invention;

fig. 6 is a perspective view of the connection relationship between the square blocks and the square strip fixture blocks of the present invention.

The reference numbers in the figures illustrate:

the device comprises a guide rail 1, a hanging basket 2, a convex plate 3, a guide sliding groove 4, a supporting block 5, a hanging ring 6, a sling 7, a square groove 8, a circular groove 9, a supporting circular shaft 10, a gear 11, a tooth groove 12, a sliding groove 13, a square block 14, a square block 15, an inclined notch 145, an extrusion spring 17, a pull rod 18, a circular ring 19, a pull rope 20, a hook 21, a circular pipe 22, a hook 23, a spring 24, a pedal 25 and a rubber plate 26.

Detailed Description

The technical solution in the embodiment of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiment of the present invention; obviously, the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by those skilled in the art without any inventive work are within the scope of the present invention based on the embodiments of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", 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 in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "provided", "sleeved/connected", "connected", and the like are to be understood in a broad sense, such as "connected", which may be 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.

Example 1:

referring to fig. 1-6, a falling prevention device for a scaffold comprises a guide rail 1, a hanging basket 2, a convex plate 3 is arranged on the outer surface of the upper and lower ends of the rear side of the hanging basket 2, the outer surface of the convex part at the inner end of the convex plate 3 is slidably connected on the inner side surface of the guide rail 1 through a guide chute 4, supporting blocks 5 are fixedly connected on the surfaces of the two sides of the rear lower end of the hanging basket 2, a hanging ring 6 is fixedly connected on the inner side surface of the supporting block 5, a sling 7 is fixedly connected on the inner side surface of the upper end of the hanging ring 6, square grooves 8 are arranged on the inner side surface of the square convex part at the two sides of the upper and rear ends of the hanging basket 2, a supporting circular shaft 10 is rotatably connected through a circular groove 9, a gear 11 is fixedly connected on the outer surface of the supporting circular shaft 10, a tooth groove 12 is, the front and rear side surfaces of the lower end of the block 14 are fixedly connected with square strip fixture blocks 15, and the front outer surface of each square strip fixture block 15 is provided with an inclined notch 145.

Referring to fig. 1-6, a pull rod 18 is fixedly connected to an outer surface of an upper end of a square 14, an extrusion spring 17 is slidably sleeved on an outer surface of the pull rod 18, a ring 19 is fixedly connected to an upper end surface of the pull rod 18, a pull rope 20 is fixedly connected to an inner side surface of the ring 19, the pull rope 20 can pull the pull rod 18 upwards to enable the square 14 not to slide downwards under normal conditions, a hook 21 is fixedly connected to an upper end surface of the pull rope 20, a circular pipe 22 is fixedly connected to an outer surface of an upper end of a sling 7, a hanging ring 23 is fixedly connected to an outer surface of a rear side of the circular pipe 22, the hook 21 is hung in the hanging ring 23 to facilitate positioning of the pull rope 20, a gear 11 is rotatably connected to an inner side surface of a square groove 8 of a hanging basket 2 through a supporting circular shaft 10, the gear 11 is meshed with a tooth.

Referring to fig. 1-2, a spring 24 is fixedly connected to the inner side surface of the upper end and the lower end of the hanging basket 2, a pedal 25 is fixedly connected to the upper surface of the spring 24, the spring 24 can buffer and absorb shock, the outer surface of the pedal 25 is slidably connected to the inner side surface of the hanging basket 2, a rubber plate 26 is fixedly connected to the upper surface of the pedal 25, the rubber plate 26 increases friction force with feet and increases buffering performance, the spring 24 is uniformly distributed on the lower end surface of the hanging basket 2, the spring 24 is distributed on the front, middle and rear three sections of the lower surface of the hanging basket 2, the spring 24 is symmetrically distributed on two sides under the hanging basket 2, the spring 24 can have a larger supporting and absorbing shock, the thickness of the rubber plate 26 is not less than one centimeter, the upper end surface of the rubber plate 26 is.

When the lifting device is used, the sling 7 is pulled through the traction mechanism, for the prior art, the lifting basket 2 can be lifted up or down, the convex plate 3 is driven to slide in the guide sliding groove 4 of the guide rail 1, the guide sliding can be carried out, the hook 21 is hung in the hanging ring 23, the pull rope 20 can be conveniently positioned, at the moment, the gear 11 is rotatably connected to the inner side surface of the square groove 8 of the lifting basket 2 through the supporting round shaft 10, the gear 11 is mutually meshed with the tooth groove 12, when the lifting basket is normally lifted up or down, the gear 11 is clamped in the tooth groove 12 to rotate when the lifting basket is lifted up or down, if the sling 7 is broken, the lifting basket 2 can slide down, at the moment, after the sling 7 is broken, the pull rope 20 loses tension, the extrusion spring 17 bounces the square block 14 downwards to drive the square strip clamping block 15 to bounce down and be clamped in the tooth groove of the gear 11, at the gear 11 does not, can hang and forbid, can fix when hanging flower basket 2 drops, if hoist cable 7 bottom fracture, pull rope 20 can receive gravity fracture and lose the pulling force equally, and dead gear 11 is locked to square strip fixture block 15 bullet, as long as hoist cable 7 fracture, anti-falling device will open, increases the security performance, gets into in the hanging flower basket 2 and steps on rubber slab 26 on step 25, and accessible spring 24 cushions the shock attenuation, can cushion the shock attenuation when falling the lock and die, and rubber slab 26 can carry out the antiskid.

The above description is only the preferred embodiment of the present invention; the scope of the present invention is not limited thereto. Any person skilled in the art should also be able to cover the technical scope of the present invention by replacing or changing the technical solution and the improvement concept of the present invention with equivalents and modifications within the technical scope of the present invention.

Claims

1. The utility model provides a scaffold frame is with preventing device that falls, includes guide rail (1), hanging flower basket (2), its characterized in that: the outer surface of the upper end and the lower end of the rear side of the hanging basket (2) are provided with convex plates (3), the outer surface of the inner end of each convex plate (3) is connected with the inner side surface of the guide rail (1) through a guide chute (4) in a sliding manner, the inner surface of the rear lower end of each hanging basket (2) is fixedly connected with a supporting block (5), the inner side surface of each supporting block (5) is fixedly connected with a hanging ring (6), the upper end inner side surface of each hanging ring (6) is fixedly connected with a sling (7), the inner side surface of the square convex positions of the two sides of the upper rear end of each hanging basket (2) is provided with a square groove (8), the inner side surface of each square groove (8) of each hanging basket (2) is rotatably connected with a supporting round shaft (10) through a round groove (9), the outer surface of each supporting round shaft (10) is fixedly connected with a gear (11), the outer surface of the front side of the guide rail (1) 14) The square strip clamping block (15) is fixedly connected to the front side surface and the rear side surface of the lower end of the square block (14), and an inclined notch (145) is formed in the outer surface of the front side of the square strip clamping block (15).

2. A fall arrest device for scaffolding according to claim 1, wherein: the outer surface of the upper end of the square block (14) is fixedly connected with a pull rod (18), the outer surface of the pull rod (18) is sleeved with an extrusion spring (17) in a sliding mode, the surface of the upper end of the pull rod (18) is fixedly connected with a circular ring (19), and the surface of the inner side of the circular ring (19) is fixedly connected with a pull rope (20).

3. A fall arrest device for scaffolding according to claim 2, wherein: the upper end surface of the pull rope (20) is fixedly connected with a hook (21), the outer surface of the upper end of the sling (7) is fixedly connected with a round pipe (22), the outer surface of the rear side of the round pipe (22) is fixedly connected with a hanging ring (23), and the hook (21) is hung in the hanging ring (23).

4. A fall arrest device for scaffolding according to claim 3, wherein: the gear (11) is rotatably connected to the inner side surface of the square groove (8) of the hanging basket (2) through a supporting round shaft (10), and the gear (11) is meshed with the tooth groove (12).

5. A fall arrest device for scaffolding according to claim 4, wherein: the hanging basket is characterized in that springs (24) are fixedly connected to the inner side surfaces of the upper end and the lower end of the hanging basket (2), pedals (25) are fixedly connected to the upper surfaces of the springs (24), the outer surfaces of the pedals (25) are connected to the inner side surfaces of the hanging basket (2) in a sliding mode, and rubber plates (26) are fixedly connected to the upper surfaces of the pedals (25).

6. A fall arrest device for scaffolding according to claim 5, wherein: the springs (24) are uniformly distributed on the lower end surface of the hanging basket (2), the springs (24) are distributed on the front, middle and rear sections of the lower surface of the hanging basket (2), and the springs (24) are symmetrically distributed on two sides under the hanging basket (2).

7. A fall arrest device for scaffolding according to claim 6, wherein: the thickness of the rubber plate (26) is not less than one centimeter, and the upper end surface of the rubber plate (26) is provided with longitudinal grains.