CN218990865U - Anti-falling mechanism of operation platform for building construction - Google Patents

Abstract

The utility model discloses a falling prevention mechanism of an operation platform for building construction, which comprises a protection baffle, wherein the middle end of the left side of the protection baffle is movably connected with a rotating rod through a bearing, the right side of the rotating rod is fixedly provided with a first conical gear, the middle end of the bottom of an inner cavity of the protection baffle is movably connected with a rotating shaft through a bearing, the middle end of the rotating shaft is fixedly provided with a second conical gear, and the top of the rotating shaft is fixedly provided with a third conical gear. According to the utility model, under the interaction of the protective baffle, the operating platform, the rotating rod, the first conical gear, the second conical gear, the rotating shaft, the third conical gear, the fourth conical gear, the bidirectional screw rod, the threaded sleeve, the fixed rod, the extension rod, the cross rod and the safety falling prevention net, the aim that the mechanism can effectively protect personnel is achieved, the safety protection performance of the mechanism is greatly improved, and the mechanism is beneficial to personnel use.

Description

Anti-falling mechanism of operation platform for building construction

Technical Field

The utility model relates to the technical field of construction safety, in particular to a falling prevention mechanism of an operation platform for building construction.

Background

Because high-rise construction needs during construction, can build the operation platform that extends away on the scaffold frame often to conveniently carry out work such as loading and unloading at the high level, and for safety concern, the operation platform that extends away is other can also set up safe anti-falling mechanism, in order to avoid personnel to fall in the work progress, however present anti-falling device is owing to single structure, only can protect operation platform's side, can't protect operation platform's top, the high altitude weighs down the thing and causes the injury for personnel on the operation platform in the work progress of being under construction, reduced whole safety protection's performance, be unfavorable for people to use.

Disclosure of Invention

The utility model aims to provide a falling prevention mechanism of an operation platform for building construction, which has the advantage of good safety protection effect, and solves the problems that the existing falling prevention device has a single structure, can only protect the side surface of the operation platform, cannot protect the top of the operation platform, is easy to fall off from the high altitude in the construction operation process to cause injury to personnel on the operation platform, and reduces the overall safety protection performance.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a fall protection mechanism of operation platform for construction, includes the protection baffle, the left middle-end of protection baffle has the bull stick through bearing swing joint, the right side fixedly mounted of bull stick has first conical gear, the middle-end of protection baffle inner chamber bottom has the pivot through bearing swing joint, the middle-end fixed mounting of pivot has second conical gear, the top fixed mounting of pivot has third conical gear, there is the bidirectional screw rod through bearing swing joint between the upper end of protection baffle inner chamber both sides, the middle-end fixed mounting of bidirectional screw rod has fourth conical gear, the equal threaded connection in both ends of bidirectional screw rod has the swivel nut, the equal fixedly connected with dead lever in both sides of swivel nut, the surface of dead lever and the one end of keeping away from the swivel nut have the extension rod through round pin axle swing joint, two just keep away from between the surface of dead lever and have the horizontal pole through round pin axle swing joint, fixedly connected with safety anti-falling net between the bottom of horizontal pole and the upper end of protection baffle surface.

Preferably, the upper ends of the two sides of the protective baffle are provided with through grooves, and the surface of the fixing rod is movably connected to the surfaces of the through grooves.

Preferably, the upper end of the rotating shaft is movably connected with a supporting plate through a bearing, and the surface of the supporting plate is fixedly connected with the upper end of the inner cavity of the protective baffle.

Preferably, the left side fixedly connected with carousel of bull stick, the left side of carousel is through bearing swing joint has the crank.

Preferably, both ends of the two sides of the outer surface of the protective baffle are fixedly connected with fixing splints, both ends of the left side of the fixing splints are connected with fixing bolts in a threaded manner, and a movable splints are movably connected between the surfaces of the fixing bolts.

Preferably, the second bevel gear meshes with the first bevel gear, and the fourth bevel gear meshes with the third bevel gear.

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

1. according to the utility model, through the arrangement of the protective baffle, the side surface of the protective baffle can be effectively protected after the protective baffle is installed between the mechanism and the operation platform, personnel can be prevented from falling from the side surface of the operation platform, the second bevel gear and the rotating shaft can be driven to rotate along the bearing on the protective baffle through the operation rotating rod and the first bevel gear, the rotating shaft can rotate to drive the third bevel gear to rotate and drive the fourth bevel gear and the bidirectional screw to rotate along the bearing on the protective baffle, the two threaded sleeves can simultaneously move along the surface of the bidirectional screw to one side far away from each other, the threaded sleeves can move to drive the fixing rod to move, the fixing rod can drive the extension rod to move while the extension rod moves, the cross rod can drive the safety anti-falling net to move and open, the inner side of the operation platform and the outer side of the operation platform can be effectively protected, the high-altitude falling object is prevented from damaging personnel on the operation platform, the whole safety protection performance is greatly improved, under the whole cooperation, the problem that the safety protection device can not be easily used for protecting the operation platform can be easily solved, the safety protection device can be used for protecting the operation platform can be easily damaged by the personnel in the whole, and the whole construction can be easily used for protecting the operation platform.

2. The utility model achieves the purpose of limiting and guiding the fixed rod through the arrangement of the through groove, achieves the purpose of stably supporting the rotating shaft through the arrangement of the supporting plate, is convenient for a person to operate the rotating rod to rotate through the arrangement of the rotating disc and the crank, and is convenient for the person to fix the mechanism and the operation platform through the arrangement of the fixed clamping plate, the fixed bolt and the movable clamping plate.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic cross-sectional view of a guard shield according to the present utility model;

FIG. 3 is a schematic top view of the protective shield of the present utility model;

fig. 4 is a schematic top view of a protective baffle according to the present utility model.

In the figure: 1. a fixed clamping plate; 2. a movable clamping plate; 3. a fixing bolt; 4. an extension rod; 5. a protective baffle; 6. a cross bar; 7. a safety anti-falling net; 8. a screw sleeve; 9. a fourth bevel gear; 10. a third bevel gear; 11. a fixed rod; 12. a through groove; 13. a bidirectional screw; 14. a support plate; 15. a first bevel gear; 16. a second bevel gear; 17. a rotating shaft; 18. a rotating rod; 19. a turntable.

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. 1-4, an anti-falling mechanism of an operation platform for construction comprises a protection baffle 5, wherein both ends of two sides of the outer surface of the protection baffle 5 are fixedly connected with a fixed clamping plate 1, both ends of the left side of the fixed clamping plate 1 are respectively connected with a fixed bolt 3 in a threaded manner, a movable clamping plate 2 is movably connected between the surfaces of the two fixed bolts 3, a rotary rod 18 is movably connected with the middle end of the left side of the protection baffle 5 through a bearing, a rotary disc 19 is fixedly connected with the left side of the rotary rod 18, the left side of the rotary disc 19 is movably connected with a crank through a bearing, the rotary rod 18 is conveniently operated to rotate by personnel through the arrangement of the rotary disc 19 and the crank, a first conical gear 15 is fixedly arranged on the right side of the rotary rod 18, the middle end of the bottom of an inner cavity of the protection baffle 5 is movably connected with a rotary shaft 17 through the bearing, the upper end of the rotating shaft 17 is movably connected with a supporting plate 14 through a bearing, the surface of the supporting plate 14 is fixedly connected with the upper end of the inner cavity of the protective baffle 5, the purpose of stably supporting the rotating shaft 17 is achieved through the arrangement of the supporting plate 14, the middle end of the rotating shaft 17 is fixedly provided with a second conical gear 16, the top of the rotating shaft 17 is fixedly provided with a third conical gear 10, the upper ends of the two sides of the inner cavity of the protective baffle 5 are movably connected with a bidirectional screw 13 through a bearing, the middle end of the bidirectional screw 13 is fixedly provided with a fourth conical gear 9, the second conical gear 16 is meshed with the first conical gear 15, the fourth conical gear 9 is meshed with the third conical gear 10, the two ends of the bidirectional screw 13 are in threaded connection with screw sleeves 8, the two sides of the screw sleeves 8 are fixedly connected with fixed rods 11, the upper ends of the two sides of the protective baffle 5 are provided with through grooves 12, the surface of the fixed rod 11 is movably connected with the surface of the through groove 12, the purpose of limiting and guiding the fixed rod 11 is achieved through the arrangement of the through groove 12, one end, far away from the screw sleeve 8, of the surface of the fixed rod 11 is movably connected with the extension rods 4 through a pin shaft, one end, far away from the fixed rod 11, of the surface of the two extension rods 4 is movably connected with the cross rod 6 through a pin shaft, a safety falling prevention net 7 is fixedly connected between the bottom of the cross rod 6 and the upper end of the outer surface of the protection baffle 5, through the arrangement of the protection baffle 5, the side surface of the protection baffle can be effectively protected after being installed between the mechanism and an operation platform, personnel can be prevented from falling from the side surface of the operation platform, and the second conical gear 16 and the rotating shaft 17 can be driven to rotate along the bearing position on the protection baffle 5 through the operation of the operation rod 18 and the first conical gear 15, the rotation of the rotating shaft 17 can drive the third bevel gear 10 to rotate and drive the fourth bevel gear 9 and the bidirectional screw 13 to rotate along the bearing on the protective baffle 5, simultaneously, the two threaded sleeves 8 move along the surface of the bidirectional screw 13 to the side far away from each other, the threaded sleeve 8 can drive the fixed rod 11 to move, the extension rod 4 can be driven to move under the action of the movement of the fixed rod 11, the cross rod 6 can be pushed to move while the extension rod 4 moves, the cross rod 6 can drive the safety anti-falling net 7 to move and open, the inner side and the outer side of the operating platform can be effectively protected, the damage of high-altitude falling objects to personnel on the operating platform is avoided, the integral safety protection performance is greatly improved, the aim of effectively protecting personnel is fulfilled by the mechanism under the action of integral fit, the safety protection performance of this mechanism is very big has been improved, does benefit to personnel and uses, has solved present anti-falling device because the structure is single, only can protect operation platform's side, can't protect operation platform's top, easily appears high altitude weight and cause the injury of smashing for the personnel on the operation platform in construction operation, has reduced whole safety protection performance's problem.

During the use, through the setting of guard flap 5, can install the back between this mechanism and the operation platform and carry out effectual protection to its side, prevent that personnel from falling from operation platform's side, and rotate through control bull stick 18 and first conical gear 15, can drive second conical gear 16 and pivot 17 and rotate along the bearing department on guard flap 5, pivot 17 is rotatory can drive third conical gear 10 and rotate, and drive fourth conical gear 9 and bi-directional screw 13 and rotate along the bearing department on guard flap 5, make simultaneously two swivel nut 8 remove to the one side that keeps away from each other along the surface of bi-directional screw 13, swivel nut 8 removes and can drive dead lever 11 and remove, can drive extension lever 4 under the effect that dead lever 11 removed, can promote horizontal pole 6 and remove when extension lever 4 removes and can drive safety protection net 7 and remove and open, and can carry out effectual protection to the top of the inboard and the outside of operation platform, avoid the high altitude thing to cause the injury to personnel on the operation platform, the effect that has greatly improved the safety mechanism is carried out under the safety performance of the safety has been realized, the safety mechanism is realized, the safety performance of safety personnel is greatly improved.

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 (6)

1. The utility model provides a construction is with operation platform's anti-falling mechanism, includes protection baffle (5), its characterized in that: the left middle end of the protection baffle (5) is movably connected with a rotating rod (18) through a bearing, the right side of the rotating rod (18) is fixedly provided with a first conical gear (15), the middle end of the bottom of an inner cavity of the protection baffle (5) is movably connected with a rotating shaft (17) through a bearing, the middle end of the rotating shaft (17) is fixedly provided with a second conical gear (16), the top of the rotating shaft (17) is fixedly provided with a third conical gear (10), the upper ends of the two sides of the inner cavity of the protection baffle (5) are movably connected with a bidirectional screw rod (13) through a bearing, the middle end of the bidirectional screw rod (13) is fixedly provided with a fourth conical gear (9), two ends of the bidirectional screw rod (13) are fixedly connected with a screw sleeve (8), two sides of the screw sleeve (8) are fixedly connected with a fixed rod (11), one end, far away from the screw sleeve (8), of the surface of the fixed rod (11) is movably connected with an extension rod (4) through a pin shaft, one end, far away from the fixed rod (11), of the fixed rod (6) is movably connected with the surface of the fixed rod (4), and the other end of the fixed rod is fixedly connected with the safety catch (6) through a safety catch (6).

2. The fall protection mechanism for a construction operation platform according to claim 1, wherein: the upper ends of two sides of the protective baffle (5) are provided with through grooves (12), and the surface of the fixing rod (11) is movably connected to the surface of the through grooves (12).

3. The fall protection mechanism for a construction operation platform according to claim 1, wherein: the upper end of the rotating shaft (17) is movably connected with a supporting plate (14) through a bearing, and the surface of the supporting plate (14) is fixedly connected with the upper end of the inner cavity of the protective baffle (5).

4. The fall protection mechanism for a construction operation platform according to claim 1, wherein: the left side of bull stick (18) fixedly connected with carousel (19), the left side of carousel (19) is through bearing swing joint has the crank.

5. The fall protection mechanism for a construction operation platform according to claim 1, wherein: the two ends of the two sides of the outer surface of the protective baffle (5) are fixedly connected with fixed clamping plates (1), the two ends of the left side of the fixed clamping plates (1) are connected with fixed bolts (3) in a threaded manner, and movable clamping plates (2) are movably connected between the surfaces of the fixed bolts (3).

6. The fall protection mechanism for a construction operation platform according to claim 1, wherein: the second bevel gear (16) is meshed with the first bevel gear (15), and the fourth bevel gear (9) is meshed with the third bevel gear (10).

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