CN115138006B - Lifting rope locking device for safety belt - Google Patents
Lifting rope locking device for safety belt Download PDFInfo
- Publication number
- CN115138006B CN115138006B CN202210717270.9A CN202210717270A CN115138006B CN 115138006 B CN115138006 B CN 115138006B CN 202210717270 A CN202210717270 A CN 202210717270A CN 115138006 B CN115138006 B CN 115138006B
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- Prior art keywords
- main
- plate
- auxiliary
- guide hole
- safety device
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- 238000005452 bending Methods 0.000 claims description 6
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 3
- 239000000725 suspension Substances 0.000 claims 1
- 238000010276 construction Methods 0.000 abstract description 3
- 230000005540 biological transmission Effects 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 5
- 241000239290 Araneae Species 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
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Classifications
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62B—DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
- A62B35/00—Safety belts or body harnesses; Similar equipment for limiting displacement of the human body, especially in case of sudden changes of motion
- A62B35/0043—Lifelines, lanyards, and anchors therefore
- A62B35/0075—Details of ropes or similar equipment, e.g. between the secured person and the lifeline or anchor
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
- E04G21/32—Safety or protective measures for persons during the construction of buildings
- E04G21/3204—Safety or protective measures for persons during the construction of buildings against falling down
Abstract
The invention relates to the field of safety facilities of construction sites, and particularly discloses a lifting rope locking device for a safety belt. The movable rack type power transmission device comprises a main board and an auxiliary board which are hinged together, wherein a fixed rack is arranged on the main board, and a movable rack is arranged opposite to the fixed rack; a pulling plate is hinged to the main plate through a hinge shaft, one end of the pulling plate, which is hinged to the hinge shaft, is an eccentric circular plate, and a pull ring is arranged at the end part of the pulling plate; the main board is provided with a main guide hole taking the hinge shaft as a circle center, a guide rod is arranged on the main guide hole, and one end of the guide rod, which is back to the main guide hole, is provided with a circular plug; the auxiliary plate is provided with an auxiliary guide hole, after the main plate and the auxiliary plate are combined together, the main guide hole is superposed with the auxiliary guide hole, and the upper end of the auxiliary guide hole is in an arc shape capable of allowing the circular plug to pass through; when the pull ring reaches the lowest end of the main pilot hole, the position point of the eccentric circular plate farthest from the hinge shaft is not higher than the height of the hinge shaft. When the invention is used, the invention can be prevented from sliding downwards, and meanwhile, a constructor is prevented from falling.
Description
Technical Field
The invention relates to the field of safety facilities of construction sites, in particular to a lifting rope locking device for a safety belt.
Background
At present, tall buildings in various big cities stand in tall forests, the outer walls of the tall buildings need to be cleaned, spiders 'take place at will, and the spiders' are very dangerous because the spiders 'are hung in the air through lifting ropes under the protection of safety belts to clean and care the outer walls, so that the safety guarantee of the spiders' is very important. Various potential safety hazards still exist in the existing safety belts, and improvement is urgently needed.
Disclosure of Invention
The invention provides a safer lifting rope locking device for a safety belt, which is used for overcoming the defects of the prior art.
The invention is realized by the following technical scheme:
a lifting rope locking device for a safety belt is characterized by comprising a main safety device, wherein the main safety device comprises a main plate and an auxiliary plate which are hinged together, a fixed rack is arranged on the main plate, and a movable rack is arranged opposite to the fixed rack; a pulling plate is hinged to the main plate through a hinge shaft, one end of the pulling plate, which is hinged to the hinge shaft, is an eccentric circular plate, and a pull ring is arranged at the end part of the pulling plate; the main board is provided with a main guide hole taking the hinge shaft as a circle center, a guide rod is arranged on the main guide hole, and one end of the guide rod, which is back to the main guide hole, is provided with a circular plug; the auxiliary plate is provided with an auxiliary guide hole, after the main plate and the auxiliary plate are combined together, the main guide hole is superposed with the auxiliary guide hole, and the upper end of the auxiliary guide hole is in an arc shape capable of allowing the circular plug to pass through; when the pull ring reaches the lowest end of the main guide hole, the position point of the eccentric circular plate farthest from the hinge shaft is not higher than the height of the hinge shaft.
The safety device also comprises a secondary safety device which is the same as the main safety device and is positioned above the main safety device; the main safety device is connected with the auxiliary safety device through a connecting piece, and the distance between the main safety device and the auxiliary safety device can be adjusted at will.
The connecting piece is an iron chain.
The connecting piece is two key rings, and two key rings articulate respectively in the upper end of main safety device's mainboard and the lower extreme of vice safety device's mainboard.
Be equipped with locking structure between mainboard and the subplate, specifically do: the auxiliary board is fixedly provided with a fixed hook, the main board is provided with an elastic hook, and the end surfaces of the fixed hook and the elastic hook are inclined planes.
A hollow hole is formed in the main board, a fixing shaft is installed at the hollow hole, a torsion spring is sleeved on the fixing shaft, one end of the torsion spring is fixed on the main board, and the other end of the torsion spring is fixed on the elastic hook; one end of the elastic hook, which is opposite to the inclined plane, is provided with a bending section, and the bending section extends out of the back face of the main board.
The main board is provided with two strip-shaped holes, the back of the movable rack is fixedly provided with two sliding blocks, and each sliding block is positioned in the corresponding strip-shaped hole.
Two return springs are fixedly arranged on the back of the main board, and the free ends of the two return springs are respectively fixed on a sliding block.
The main board is provided with a rubber gasket.
The invention has the beneficial effects that:
when the invention is used, two lifting ropes are needed, one is used for bearing construction workers, and the other is used for installing the invention: the lifting rope penetrates through a gap between the fixed rack and the movable rack, the auxiliary plate is closed, the fixed hook and the elastic hook are hooked together to fix the main plate and the auxiliary plate together, meanwhile, the circular plug on the guide rod penetrates through an arc at the upper end of the auxiliary guide hole, the guide rod penetrates through the auxiliary guide hole along with the rotation of the pull plate around the hinge shaft, the farthest end of the eccentric circular plate rotates towards the movable rack and gradually pushes the movable rack to the fixed rack, so that the lifting rope is clamped, once the other lifting rope fails, the pull plate rotates under the traction action of the safety rope, the movable rack clamps the lifting rope more and more tightly, the downward sliding of the lifting rope device can be prevented, and meanwhile, a constructor is prevented from falling.
If the main safety device and the auxiliary safety device are used, the safety belt is firstly tied on the pull plate of the main safety device and then tied on the pull plate of the auxiliary safety device, at the moment, the connecting piece between the main safety device and the auxiliary safety device is loose, once the main safety device fails, the safety belt between the two pull plates is tensioned immediately, and at the moment, the connecting piece is still loose, namely, the auxiliary safety device plays a main role, so that a constructor is prevented from falling, and a double-insurance effect is achieved.
Drawings
The invention is further described with reference to the accompanying drawings in which:
FIG. 1 is a schematic front view of a primary or secondary safety device according to the present invention;
FIG. 2 is a rear view of the primary or secondary safety device of the present invention;
FIG. 3 is a schematic view of the present invention after opening;
fig. 4 isbase:Sub>A schematic sectional view taken along the directionbase:Sub>A-base:Sub>A in fig. 3.
In the figure, 1 main safety device, 2 auxiliary safety devices, 3 connecting pieces, 4 main boards, 5 auxiliary boards, 6 hinges, 7 fixed racks, 8 movable racks, 9 sliding blocks, 10 elongated holes, 11 return springs, 12 rubber gaskets, 13 hollowed-out holes, 14 fixed shafts, 15 torsion springs, 16 elastic hooks, 17 bent sections, 18 fixed hooks, 19 inclined planes, 20 hinged shafts, 21 eccentric circular plates, 22 pull plates, 23 guide rods, 24 main guide holes, 25 circular plugs, 26 auxiliary guide holes, 27 circular arcs and 28 pull rings.
Detailed Description
The drawings illustrate specific embodiments of the invention. As shown in fig. 1 to 4, the lifting rope locking device for the safety belt comprises a main safety device 1 and a secondary safety device 2, wherein the main safety device 1 and the secondary safety device 2 have the same structure and are connected through a connecting piece 3, the connecting piece 3 can be an iron chain, a rope or two key rings, and the like, as long as the two mounting devices can be loosely connected together; in use, the secondary safety device 2 is on top and the primary safety device 1 is on the bottom.
The primary safety device 1 and the secondary primary safety device 1 each include: the safety device comprises a main board 4 and an auxiliary board 5, wherein one sides of the main board 4 and the auxiliary board 5 are hinged together through a hinge 6, one end of a connecting piece 3 is fixed at the lower end of the main board 4 of the auxiliary safety device 2, and the other end of the connecting piece is fixed at the upper end of the main board 4 of the main safety device 1; a vertical fixed rack 7 is fixedly installed on a position, close to a hinge 6, of a main board 4, teeth of the fixed rack 7 face away from the hinge 6, a movable rack 8 is arranged on the opposite side of the lower half portion of the fixed rack 7, teeth of the movable rack 8 face the fixed rack 7, two sliders 9 are arranged on the back face of the movable rack 8, a long strip-shaped hole 10 is formed in the main board 4 corresponding to the sliding track of each slider 9, each slider 9 is located in the corresponding long strip-shaped hole 10, the navigation effect of each slider 9 is achieved, the sliders 9 are made to move linearly, in order to facilitate rebounding of the movable rack 8, two return springs 11 are fixedly installed on the back face of the main board 4, one slider 9 is matched with one return spring 11, one end of each return spring 11 is fixed on the back face of the main board 4, and the other end of each return spring is fixed on the corresponding slider 9.
A rubber gasket 12 is arranged above the movable rack 8, and the thicknesses of the rubber gasket 12, the fixed rack 7 and the movable rack 8 are the same.
There is a fretwork hole 13 on mainboard 4 between movable rack 8 and rubber packing ring 12, a fixed axle 14 of fretwork hole 13 department installation, a torsion spring 15 and an elastic hook 16 of cover on the fixed axle 14, torsion spring 15's one end is fixed on mainboard 4, one end is fixed on elastic hook 16, make torsion spring 15 produce through pressing elastic hook 16 and warp, thereby drive the activity of elastic hook 16, elastic hook 16 main part is located the mainboard 4 openly, elastic hook 16 still has a section 17 of bending to be located the mainboard 4 back, also can make torsion spring 15 take place to warp through the section 17 of bending. Two rings are arranged on the elastic hook and are respectively sleeved at two ends of the fixed shaft, and the torsion spring is positioned between the two rings.
A fixed hook 18 is fixedly arranged on the auxiliary plate 5, the end surfaces of the fixed hook 18 and the elastic hook 16 are both inclined surfaces 19, the inclination directions and the angles of the two inclined surfaces 19 are consistent, the inclined surfaces 19 of the fixed hook 18 press the inclined surfaces 19 of the elastic hook 16, the torsion spring 15 can be deformed, the elastic hook 16 is driven to rotate, when the inclined surfaces 19 of the fixed hook 18 pass the inclined surfaces 19 of the elastic hook 16, the elastic hook 16 rebounds, and the fixed hook 18 and the elastic hook 16 are hooked with each other, so that the main plate 4 and the auxiliary plate 5 are fixed together.
An eccentric circular plate 21 is hinged beside a movable rack 8 through a hinge shaft 20, the eccentric circular plate 21 and a pulling plate 22 are integrally manufactured, the movable rack 8 can be pushed to approach a fixed rack 7 through the rotation of the pulling plate 22, a guide rod 23 transversely penetrates through the pulling plate 22, a main guide hole 24 with the hinge shaft 20 as the center of a circle is formed in the main plate 4, the guide rod 23 on the back of the pulling plate 22 is positioned in the main guide hole 24, the end part of the guide rod 23 on the front of the pulling plate 22 is a circular plug 25, a secondary guide hole 26 is formed in the secondary plate 5, the upper end of the secondary guide hole 26 is a circular arc 27 capable of allowing circular passing, after the main plate 4 and the secondary plate 5 are combined together, the main guide hole 24 is overlapped with the secondary guide hole 26, after the pulling plate 22 is rotated, the guide rod 23 slides in the main guide hole 24 and the secondary guide hole 26, the circular plug 25 also plays a role in fixing of the main plate 4 and the secondary plate 5, and the free end of the pulling plate 22 is a pull ring 28 for fastening a safety belt; since the hinge shaft 20 has a protruding point, a small hole is formed at a corresponding position of the sub-plate 5 to expose the protruding point of the hinge shaft 20.
When in use, even if the guide rod 23 of the pulling plate 22 touches the lowest end of the main guide hole 24 and can not rotate, the position of the eccentric circular plate 21, which is far away from the farthest point of the hinge shaft 20, is not higher than the height of the hinge shaft 20, thus ensuring that the eccentric circular plate 21 plays the greatest role and firmly clamps the lifting rope.
The main board 4 is provided with a fixed rack 7, and the opposite side of the rack is provided with a movable rack 8; a pulling plate 22 is hinged on the main plate 4 through a hinge shaft 20, one end of the pulling plate 22, which is hinged with the hinge shaft 20, is an eccentric circular plate 21, and the end part of the pulling plate 22 is provided with a pull ring 28; a main guide hole 24 taking the hinge shaft 20 as a circle center is formed in the main board 4, a guide rod 23 is arranged on the main guide hole 24, and a circular plug 25 is arranged at one end, back to the main guide hole 24, of the guide rod 23; the auxiliary plate 5 is provided with an auxiliary guide hole 26, after the main plate 4 and the auxiliary plate 5 are combined together, the main guide hole 24 is overlapped with the auxiliary guide hole 26, and the upper end of the auxiliary guide hole 26 is in a circular arc shape 27 capable of allowing the circular plug 25 to pass through; when the pulling ring 28 reaches the lowermost end of the main pilot hole 24, the point of the eccentric circular plate 21 farthest from the hinge shaft 20 is not higher than the height of the hinge shaft 20.
The using process is as follows: firstly tying the safety belt on the pull ring 28 of the pull plate 22 of the main safety device 1, then tying the safety belt on the pull ring 28 of the pull plate 22 of the auxiliary safety device 2, and fastening the safety belt, wherein the length of the safety belt between the two pull rings 28 is less than the maximum length of the connecting piece 3;
the lifting rope sequentially passes through a gap between a fixed rack 7 and a movable rack 8 of an auxiliary safety device 2 and a main safety device 1 and a gap between a rubber gasket 12 and the fixed rack 7, the auxiliary safety device 2 is arranged above the main safety device 1, then the auxiliary plate 5 is closed, the fixed hooks 18 push the elastic hooks 16 to rotate and then hook together, the circular plugs 25 penetrate through the circular arc 27 parts of the auxiliary guide holes 26, the pull plate 22 rotates, the guide rod 23 rotates downwards along the main guide holes 24 and the auxiliary guide holes 26, the eccentric circular plate 21 rotates to push the movable rack 8 to the fixed rack 7, and therefore the lifting rope is preliminarily clamped. In case of danger in the use process, the safety belt on the body of a constructor is pulled tightly in the falling process of the constructor, the pulling plate 22 is driven to further rotate to push the movable rack 8 to the extreme point, and the lifting rope is tightly clamped, so that the safety of the constructor is protected. If the main safety device 1 loses functions due to stress and other reasons in the falling process, the auxiliary safety device 2 is in effect, the safety belt between the two pull rings 28 is pulled tightly, and the fixed rack 7 and the movable rack 8 on the auxiliary safety device 2 clamp the lifting rope, so that the safety of a constructor is ensured, and the double-insurance effect is achieved.
Other technical features than those described in the specification are known to those skilled in the art.
Claims (8)
1. A lifting rope locking device for a safety belt is characterized by comprising a main safety device (1), wherein the main safety device (1) comprises a main plate (4) and an auxiliary plate (5) which are hinged together, a fixed rack (7) is arranged on the main plate (4), and a movable rack (8) is arranged opposite to the fixed rack (7); a pulling plate (22) is hinged to the main plate (4) through a hinge shaft (20), one end, hinged to the hinge shaft (20), of the pulling plate (22) is an eccentric circular plate (21), and a pull ring (28) is arranged at the end of the pulling plate (22); a main guide hole (24) taking the hinge shaft (20) as a circle center is formed in the main plate (4), a guide rod (23) is arranged on the main guide hole (24), and a circular plug (25) is arranged at one end, back to the main guide hole (24), of the guide rod (23); an auxiliary guide hole (26) is formed in the auxiliary plate (5), after the main plate (4) and the auxiliary plate (5) are combined together, the main guide hole (24) is overlapped with the auxiliary guide hole (26), and the upper end of the auxiliary guide hole (26) is in a circular arc shape (27) capable of allowing the circular plug (25) to pass through; when the pull ring (28) reaches the lowest end of the main guide hole (24), the position point of the eccentric circular plate (21) farthest from the hinge shaft (20) is not higher than the height of the hinge shaft (20); the safety device also comprises a secondary safety device (2) which is the same as the primary safety device (1), wherein the secondary safety device (2) is positioned above the primary safety device (1); the main safety device (1) is connected with the auxiliary safety device (2) through a connecting piece (3), and the distance between the main safety device (1) and the auxiliary safety device (2) can be adjusted at will.
2. The device for locking a sash line for a safety belt according to claim 1, wherein said connecting member (3) is an iron chain.
3. The device for locking the lifting rope of a safety belt according to claim 1, characterized in that the connecting element (3) is two key rings, which are hinged to the upper end of the main plate (4) of the primary safety device (1) and to the lower end of the main plate (4) of the secondary safety device (2), respectively.
4. The device according to any of claims 1 to 3, characterized in that a locking structure is provided between the main plate (4) and the secondary plate (5), in particular: a fixed hook (18) is fixedly arranged on the auxiliary plate (5), an elastic hook (16) is arranged on the main plate (4), and the end faces of the fixed hook (18) and the elastic hook (16) are inclined planes.
5. The locking device of the lifting rope for the safety belt according to claim 4, wherein a hollow hole (13) is formed in the main plate (4), a fixing shaft (14) is installed at the hollow hole (13), a torsion spring (15) is sleeved on the fixing shaft (14), one end of the torsion spring (15) is fixed on the main plate (4), and the other end of the torsion spring is fixed on the elastic hook (16); one end, opposite to the inclined surface (19), of the elastic hook (16) is provided with a bending section (17), and the bending section (17) extends out of the back of the main board (4).
6. The device for locking the lifting rope of the safety belt according to any one of claims 1 to 3, wherein two elongated holes (10) are formed in the main plate (4), two sliding blocks (9) are fixedly arranged on the back surface of the movable rack (8), and each sliding block (9) is positioned in the corresponding elongated hole (10).
7. The safety belt suspension cord locking apparatus as claimed in claim 6, wherein two return springs (11) are fixed to the back of the main plate (4), and the free ends of the two return springs (11) are fixed to a slider (9) respectively.
8. A safety-belt dropper locking device as claimed in any one of claims 1 to 3, wherein the main plate (4) has a rubber washer (12) secured thereto.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210717270.9A CN115138006B (en) | 2022-06-23 | 2022-06-23 | Lifting rope locking device for safety belt |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210717270.9A CN115138006B (en) | 2022-06-23 | 2022-06-23 | Lifting rope locking device for safety belt |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN115138006A CN115138006A (en) | 2022-10-04 |
| CN115138006B true CN115138006B (en) | 2023-02-28 |
Family
ID=83408249
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210717270.9A Active CN115138006B (en) | 2022-06-23 | 2022-06-23 | Lifting rope locking device for safety belt |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115138006B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2762831Y (en) * | 2005-01-14 | 2006-03-08 | 葛俭玲 | Extension safety rig |
| CN105107102A (en) * | 2015-09-28 | 2015-12-02 | 上海船舶研究设计院 | Climber protecting device |
| CN205391499U (en) * | 2016-03-28 | 2016-07-27 | 安徽省特种设备检测院 | A safety belt for high altitude special equipment detects |
| WO2017165980A1 (en) * | 2016-03-31 | 2017-10-05 | Bradley Burke | Fall control system and method of controlling a movement during fall event |
| CN113026561A (en) * | 2021-03-15 | 2021-06-25 | 穆勇攀 | High-speed construction safety device |
| CN114602078A (en) * | 2022-03-14 | 2022-06-10 | 江西正强电瓷电器有限公司 | Electric power iron tower high altitude construction anti-falling device of reverse locking function |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2929125B1 (en) * | 2008-03-26 | 2013-03-15 | Jean Louis Pierre Rene Rocourt | APPARATUS FOR SECURING EMERGENCIES CARRIED OUT BY HELITREUILLAGE |
-
2022
- 2022-06-23 CN CN202210717270.9A patent/CN115138006B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2762831Y (en) * | 2005-01-14 | 2006-03-08 | 葛俭玲 | Extension safety rig |
| CN105107102A (en) * | 2015-09-28 | 2015-12-02 | 上海船舶研究设计院 | Climber protecting device |
| CN205391499U (en) * | 2016-03-28 | 2016-07-27 | 安徽省特种设备检测院 | A safety belt for high altitude special equipment detects |
| WO2017165980A1 (en) * | 2016-03-31 | 2017-10-05 | Bradley Burke | Fall control system and method of controlling a movement during fall event |
| CN113026561A (en) * | 2021-03-15 | 2021-06-25 | 穆勇攀 | High-speed construction safety device |
| CN114602078A (en) * | 2022-03-14 | 2022-06-10 | 江西正强电瓷电器有限公司 | Electric power iron tower high altitude construction anti-falling device of reverse locking function |
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| Publication number | Publication date |
|---|---|
| CN115138006A (en) | 2022-10-04 |
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Effective date of registration: 20231117 Address after: 27th floor, No. 1568 Century Avenue, China (Shanghai) pilot Free Trade Zone, Pudong New Area, Shanghai, 200120 Patentee after: CHINA CONSTRUCTION EIGHTH ENGINEERING DIVISION Co.,Ltd. Address before: Room 202, Unit 2, Building 39, Dianliuzhuang, Licheng District, Jinan City, Shandong Province, 250000 Patentee before: Zhang Han |
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