CN216196814U

CN216196814U - Adjustable horizontal entrance to a cave anti-falling device

Info

Publication number: CN216196814U
Application number: CN202122811976.5U
Authority: CN
Inventors: 刘学通; 刘建强; 许二恒; 葛宇航; 李凯
Original assignee: China Construction Fifth Engineering Bureau Co Ltd
Current assignee: China Construction Fifth Engineering Bureau Co Ltd
Priority date: 2021-11-17
Filing date: 2021-11-17
Publication date: 2022-04-05
Anticipated expiration: 2031-11-17

Abstract

The utility model discloses an adjustable anti-falling device for a horizontal hole, which comprises a floor and a frame body, wherein the frame body is positioned above the floor, a roller shaft is arranged between two sides of the frame body, and the roller shaft is made of high-carbon steel. This adjustable level entrance to a cave anti-falling device, through setting up the device into the support form, can make the device settle at floor level entrance to a cave through self gravity, and through the combination of couple and safety net, make things convenient for device's installation and dismantlement, through combining cylinder and lifting rope, and the cooperation setting of rotation handle, can realize the lift of safety net, avoid safety net to fix and hinder the construction around the entrance to a cave in the work progress, and through the cooperation of cardboard and gear, utilize the elasticity of cardboard self and rigidity with the gear card at fixed position, reach and make the safety net stop the effect on the use plane, hoisting device's security.

Description

Adjustable horizontal entrance to a cave anti-falling device

Technical Field

The utility model belongs to the field of protection of horizontal portals in building construction, and particularly relates to an adjustable anti-falling device for horizontal portals.

Background

The anti-falling device is used in high-rise building construction, shipbuilding, ship repairing, water loading and unloading, large-scale equipment installation and other high-altitude and operation places, is used for preventing people and objects from falling or preventing the falling objects from being damaged, and ensures the construction safety of workers.

Can design the horizontal entrance to a cave in the building work progress, this kind of horizontal entrance to a cave is from last down to the end, so the workman need be equipped with anti-falling device when the construction, traditional apron formula anti-falling device fixed mounting is around the entrance to a cave, the installation is troublesome and difficult the regulation with dismantling, consume manpower and operating time, hinder the entrance to a cave to build by laying bricks or stones when secondary structure construction, must demolish the apron on the entrance to a cave side and can be under construction, this just leads to the workman to lose the anti-falling protection at the entrance to a cave in-process of building by laying bricks or stones, take place the eminence accident of falling easily, for solving this problem, an adjustable horizontal entrance to a cave anti-falling device has been designed.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model provides an adjustable horizontal hole anti-falling device, which solves the problems in the background technology.

In order to achieve the purpose, the utility model is realized by the following technical scheme: an adjustable anti-falling device for a horizontal hole comprises a floor and a frame body, wherein the frame body is positioned above the floor, a roller shaft is arranged between two sides of the frame body and is made of high-carbon steel, bearings are movably connected with two ends of the roller shaft, a roller is sleeved outside the roller shaft, a lifting rope is arranged outside the roller, a gear is arranged at the right end of the roller and is made of hardened and tempered steel, a handle is connected with the right end of the roller shaft, a handle sleeve is sleeved outside the handle, anti-skidding textures are arranged on the surface of the handle sleeve, a clamping plate shaft arranged between support plates at two sides of the frame body is arranged above the roller, a clamping plate is arranged at the right end of the clamping plate shaft, a limiting column arranged on the clamping plate shaft is fixed on the left side of the clamping plate, a fixing frame is fixedly connected with the bottom of the frame body, and a lifting hook is sleeved at the bottom end of the lifting rope, the lifting hook is sleeved with a lifting ring, the bottom of the lifting ring is connected with a diagonal cable, a cage body frame is fixed at the bottom end of the diagonal cable, and a safety net is arranged inside the cage body frame.

Furthermore, the frame body is formed by welding square steel pipes, and two supporting legs parallel to the horizontal plane are arranged on two sides of the frame body respectively.

Further, the cardboard can be epaxial rotatory at the cardboard, and the bottom joint of cardboard is in the gear groove of gear to the left end of cardboard is fixed through spacing post.

Further, the lifting hook has torsion spring seal structure, and the bottom of lifting hook has the recess that is used for joint rings.

Further, the bearing connects the frame body and the drum shaft and enables the frame body and the drum shaft to rotate with each other.

Further, the fixed frame is of a double-layer plate structure connected through springs, and the fixed frame is respectively installed at the bottoms of the four support legs of the frame body.

Has the advantages that:

1. this adjustable level entrance to a cave anti-falling device, through setting up the device into the support form, can make the device settle at floor level entrance to a cave through self gravity, and through the combination of couple and safety net, make things convenient for device's installation and dismantlement, through combining cylinder and lifting rope, and the cooperation setting of rotation handle, can realize the lift of safety net, avoid safety net to fix and hinder the construction around the entrance to a cave in the work progress, and through the cooperation of cardboard and gear, utilize the elasticity of cardboard self and rigidity with the gear card at fixed position, reach and make the safety net stop the effect on the use plane, hoisting device's security.

2. This adjustable level entrance to a cave anti-falling device, through setting up the mount into spring coupling's bilayer structure, can make the mount adapt to the horizontal entrance to a cave of different shapes and size, through setting up the mount in the bottom of support, can prevent that the support from receiving external force and causing the skew, lead to the support to fall from the entrance to a cave, improve the security performance of device, through setting up the couple into the structure that has the bullet knot, and the recess of cooperation couple bottom, can prevent that rings are rising, descend or break away from leading to the production danger because of inertia or external force and couple in the use, and through setting up the safety net in the cage body frame, be convenient for being fixed in of safety net and install, also can prevent that article etc. from falling the time and scattered and cause other injuries simultaneously.

Drawings

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

FIG. 2 is a side view of the lifting device of the present invention;

FIG. 3 is a top view of the lifting device of the present invention;

figure 4 is a top view of the cage of the present invention.

In the figure: 1. a floor; 2. a frame body; 3. a drum; 4. a lifting rope; 5. a chuck shaft; 6. clamping a plate; 7. a gear; 8. a handle sleeve; 9. a handle; 10. a cage body frame; 11. a hook; 12. a hoisting ring; 13. a diagonal draw rope; 14. a safety net; 15. a drum shaft; 16. a bearing; 17. a limiting column; 18. a fixing frame.

Detailed Description

Referring to fig. 1, the present invention provides a technical solution: the utility model provides an adjustable horizontal entrance to a cave anti-falling device, including floor 1 and support body 2, support body 2 is located floor 1's top, support body 2 adopts square steel tube welding to form, through setting up support body 2 into hollow steel tube welded structure, can strengthen support body 2's fastness, and reduce support body 2's quality, easy to assemble, dismantle and carry, and support body 2's both sides have two landing legs parallel with the horizontal plane respectively, help support body 2 in the stable installation of entrance to a cave department, install roller shaft 15 between support body 2's the both sides, and roller shaft 15 is the high carbon steel material, the high carbon steel has high intensity, hardness and high elastic limit and fatigue limit, can give the sufficient holding capacity of device, guarantee device's security.

Referring to fig. 2, bearings 16 are movably connected to both ends of the drum shaft 15, the bearings 16 connect the frame body 2 and the drum shaft 15, and enable the frame body 2 and the drum shaft 15 to rotate with each other, and the frame body 2 and the drum shaft 15 are connected by the bearings 16, so that friction between the frame body 2 and the drum shaft 15 can be reduced, and the drum shaft can rotate smoothly.

Referring to fig. 1 and 3, a drum 3 is sleeved on the outside of a drum shaft 15, a lifting rope 4 is disposed on the outside of the drum 3, the lifting rope 4 is wound on the surface of the drum 3 and is released or retracted along with the rotation of the drum 3 to prevent the lifting rope 4 from knotting, a gear 7 is mounted at the right end of the drum 3, the gear 7 rotates along with the rotation of the drum 3, the gear 7 is made of hardened and tempered steel, parts made of hardened and tempered steel have good comprehensive mechanical properties and can ensure the working performance of the gear 7, a handle 9 is connected to the right end of the drum shaft 15, the lifting operation of the device is performed by controlling the handle 9, a handle sleeve 8 is sleeved on the outside of the handle 9, the surface of the handle sleeve 8 is made of anti-slip texture, the surface of the handle sleeve 8 is made of anti-slip processing to prevent the slip between the handle 9 and a human body during the operation, the smooth operation is ensured, a chuck plate shaft 5 mounted between support plates at two sides of a frame body 2 is disposed above the drum 3, the right end of the clamp plate shaft 5 is provided with a clamp plate 6, the clamp plate 6 can rotate on the clamp plate shaft 5, the bottom of the clamp plate 6 is clamped in a gear groove of the gear 7, so that the gear 7 is fixed by the clamp plate 6 and can not rotate, the cage frame 10 caused by gravity when the device works is prevented from falling off, the left end of the clamp plate 6 is fixed through a limiting column 17, the left side of the clamp plate 6 is fixed with the limiting column 17 arranged on the clamp plate shaft 5, the clamp plate 6 is prevented from moving left and right on the clamp plate shaft 5 through the limiting column 17 to cause the gear 7 to move, the bottom of the frame body 2 is fixedly connected with a fixed frame 18, the fixed frame 18 is of a double-layer plate structure connected through springs, the fixed frame 18 can adapt to different holes, the fixed frame 18 is respectively arranged at the bottoms of four support legs of the frame body 2, the effect of preventing the frame body 2 from moving left and right due to external force is achieved, the frame body 2 is prevented from falling off from the holes, the bottom end of the lifting rope 4 is sleeved with a lifting hook 11, lifting hook 11 has torsion spring sealing structure, prevents that rings 12 from receiving inertia and lifting hook 11 to drop, and lifting hook 11's bottom has the recess that is used for joint rings 12, can avoid rings 12 horizontal slip, increases the stability of cage body frame 10, and the cover is equipped with rings 12 on lifting hook 11.

Referring to fig. 4, the bottom of the hanging ring 12 is connected with a diagonal cable 13, the cage frame 10 is fixed at the bottom end of the diagonal cable 13, the diagonal cable 13 is respectively and fixedly connected to four corners of the cage frame 10, and a safety net 14 is arranged inside the cage frame 10 to protect falling people and objects.

In conclusion, when the adjustable horizontal hole falling prevention device is used, firstly, the mounting device is arranged on a floor 1, the fixing frame 18 is aligned to a hole, the outer side plate of the fixing frame 18 is extruded and contracted to enable the fixing frame 18 to be contacted with the inner wall of the hole, when the frame 2 is stressed in the horizontal direction, the fixing frame 18 blocks the frame 2 to prevent the frame 2 from falling off the hole, then, the stay ropes 13 connecting the hanging rings 12 and the hanging rings 12, the cage frame 10 and the safety nets 14 are hung on the lifting hooks 11 on the next layer of the floor 1, the hanging rings 12 are clamped into the grooves of the lifting hooks 11, when the cage frame 10 is descended, the clamping plates 6 are firstly shifted upwards to separate the clamping plates 6 from the gear 7, then the handle 9 is rotated anticlockwise, the roller shaft 15 drives the roller 3 to rotate to enable the hanging ropes 4 to extend, when the cage frame 10 descends to the required height, the handle 9 stops rotating, the clamping plates 6 are shifted downwards to be clamped in the gear grooves of the gear 7, accomplish the decline process of cage frame 10, lifting hook 11's bullet is buckled and the recess prevents that rings 12 from receiving the external force and breaking away from with lifting hook 11 in the work progress, and cage frame 10 and the ejection of the safety net 14 of inside setting prevent that the high altitude from falling and debris, when promoting cage frame 10, dial cardboard 6 from the gear groove of gear 7, clockwise turning handle 9, when promoting predetermined position, stall handle 9, cardboard 6 is automatic card in the gear 7 tooth's socket under the effect of self gravity, fix cage frame 10, accomplish the lift process of cage frame 10, when the device is demolishd, break away from rings 12 and lifting hook 11, then take off support body 2 from floor 1, accomplish dismantling of device.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.

Claims

1. The utility model provides an adjustable level entrance to a cave anti-falling device, includes floor (1) and support body (2), its characterized in that: the frame body (2) is located above the floor (1), a roller shaft (15) is installed between two sides of the frame body (2), the roller shaft (15) is made of high-carbon steel, bearings (16) are movably connected to two ends of the roller shaft (15), a roller (3) is sleeved outside the roller shaft (15), a lifting rope (4) is arranged outside the roller (3), a gear (7) is installed at the right end of the roller (3), the gear (7) is made of hardened and tempered steel, a handle (9) is connected to the right end of the roller shaft (15), a handle sleeve (8) is sleeved outside the handle (9), the surface of the handle sleeve (8) is provided with anti-skidding textures, a clamping plate shaft (5) installed between supporting plates on two sides of the frame body (2) is arranged above the roller (3), and a clamping plate (6) is installed at the right end of the clamping plate shaft (5), the left side of cardboard (6) is fixed with spacing post (17) of installing on cardboard axle (5), the bottom fixedly connected with mount (18) of support body (2), lifting hook (11) have been cup jointed to the bottom of lifting rope (4), the cover is equipped with rings (12) on lifting hook (11), the bottom of rings (12) is connected with oblique stay cord (13), the bottom mounting of oblique stay cord (13) has cage body frame (10), the inside of cage body frame (10) is provided with safety net (14).

2. The adjustable horizontal portal fall protection device of claim 1, wherein: the support body (2) is formed by welding square steel pipes, and two supporting legs parallel to the horizontal plane are arranged on two sides of the support body (2) respectively.

3. The adjustable horizontal portal fall protection device of claim 1, wherein: cardboard (6) can rotate on cardboard axle (5), and the bottom joint of cardboard (6) is at the gear groove of gear (7) to the left end of cardboard (6) is fixed through spacing post (17).

4. The adjustable horizontal portal fall protection device of claim 1, wherein: lifting hook (11) have torsion spring seal structure, and the bottom of lifting hook (11) has the recess that is used for joint rings (12).

5. The adjustable horizontal portal fall protection device of claim 1, wherein: the bearing (16) connects the frame body (2) and the roller shaft (15) and enables the frame body (2) and the roller shaft (15) to rotate mutually.

6. The adjustable horizontal portal fall protection device of claim 1, wherein: the fixing frame (18) is of a double-layer plate structure connected through springs, and the fixing frame (18) is respectively installed at the bottoms of the four supporting legs of the frame body (2).