CN214018960U - Fixing device of detachable self-rescue descent control device rope - Google Patents

Abstract

The utility model discloses a fixing device of a detachable self-rescue descent control device rope, which comprises a rope end friction fixing structure, a device locking structure and a safety buckle structure, wherein the rope end friction fixing structure is a cuboid steel block I, the side part of the cuboid steel block I is provided with a mounting groove, and the mounting groove can accommodate the device locking structure; the device locking structure comprises a cuboid steel block II, a compression bolt, a male and female fish gear and a compression block, and the compression bolt can push the compression block to extend out of a compression block groove and enter the cuboid groove when rotating, so as to compress and fix the slow descending rope in the cuboid groove; meanwhile, the compression bolt can drive the fish gear to rotate, and then the fish gear partially extends out of the cuboid steel block II to enter the gear locking groove in the rotating process, so that the cuboid steel block II and the cuboid steel block I are relatively fixed. The rope and the safety belt can be detachably connected, the rope can be quickly detached after slow descent, and the use of subsequent personnel is facilitated, so that the time required by the escape process of multiple people can be saved.

Description

Fixing device of detachable self-rescue descent control device rope

Technical Field

The utility model relates to a detachable fixing device who slowly falls ware rope of saving oneself belongs to high-rise building and saves oneself and equips technical field.

Background

With the decrease of available urban area and the gradual increase of population, buildings are developing to high altitude to become social trend, thereby causing frequent fire of high-rise buildings. According to research data, the high-rise building has more floors, long vertical distance and centralized personnel distribution, the time required for evacuating to the ground or other safe places is long, only a small number of people can safely escape by themselves when middle-high fire occurs, and most of the people cannot effectively save themselves. Although some fire departments have the elevating fire truck and the scaling ladder, a certain time is needed when the fire fighters arrive, and the district environment can not necessarily ensure the smooth use of the elevating fire truck, so the trapped personnel can not be rescued in time, and the research on the high-rise building self-rescue equipment becomes a hot problem in the industry.

Aiming at the research of self-rescue equipment of high-rise buildings, at present, research and development of lifesaving descent control devices are mainly focused at home and abroad, for example: the invention patent with the application number of 201710091974.9 provides a reciprocating escape descent control device, which adopts common gear transmission and timely changes friction resistance moment by arranging a transmission and damping device in an inner cavity of the descent control device so as to realize the purpose of uniform descent; for another example: the utility model with the application number of 201320305317.7 provides a high-rise building disaster escape descent control device combining a unidirectional coupler, a winding wheel and an escape pull ring, which mainly generates friction between a damping friction plate on a descent control device shell and the outer edge of the damping wheel to slow down the descending speed of the winding wheel, ensure the proper descending speed and facilitate the second escape person to rotate a handle to withdraw the steel wire rope of the previous escape person for self escape; such as: the invention patent with the application number of CN202010189862.9 provides a hydraulic damping descent control device for high-rise escape, wherein a connecting column is arranged at the top of a descent control device shell, a top cover is connected by a hinge, and a cable wound on the outer side of a speed reducing wheel is adjusted by a hand-press speed reducer by virtue of a first speed reducing wheel and a second speed reducing wheel of the descent control device shell, and a speed reducing wheel rotating shaft extending into a thread damper and a plectrum damper.

From the above, the research on the self-rescue descent control device has certain achievements, but the research mainly focuses on damping and speed control in the descending process of the self-rescue descent control device, but the time consumption of the descent control device in the reciprocating use process when people intensively escape is not considered enough, and the safety performance of the reciprocating use of a safety belt tied in the descending process is less considered. Therefore, how to save the time required by the escape process of a plurality of people and further improve the safety performance of the tied safety belt is a problem which needs to be solved urgently in the industry.

Disclosure of Invention

Problem to above-mentioned prior art exists, the utility model provides a fixing device of detachable ware rope slowly falls of saving oneself can install fast when personnel need slowly fall and be connected rope and safety belt, can dismantle fast after accomplishing slowly falling, makes things convenient for follow-up personnel's use to can save many people's the process of fleing required time.

In order to realize the purpose, the utility model discloses a technical scheme is: a fixing device for a detachable self-rescue descent control device rope comprises a rope end friction fixing structure, a device locking structure and a safety buckle structure, wherein a large arc ring and a small arc ring are respectively fixed at two ends of the rope end friction fixing structure;

the rope end friction fixing structure is a cuboid steel block I, an installation groove is formed in the side portion of the cuboid steel block I, and the installation groove can accommodate a device locking structure; a hinge hole is formed in the side wall of the mounting groove close to the large arc ring, and a gear locking groove is formed in the side wall close to the small arc ring; a rectangular groove is formed in the bottom surface of the mounting groove, and three surfaces of the rectangular groove are saw-toothed friction surfaces for placing a slow descending rope;

the device sealing and locking structure comprises a cuboid steel block II, a compression bolt, a male and female fish gear and a compression block, wherein the front end of the cuboid steel block II is hinged with a hinge hole in the mounting groove through a hinge, a threaded through hole is formed in the cuboid steel block II, the compression bolt is arranged in the threaded through hole, a compression block groove is formed in the lower part of the cuboid steel block II, the compression block is placed in the compression block groove, and the compression bolt can push the compression block to extend out of the compression block groove to enter the cuboid groove when rotating, so that a slow descending rope in the cuboid groove is compressed and fixed; the fish gear consists of two circular arc gears with different radiuses, the fish gear is arranged in a cuboid steel block II through a shaft rod, teeth of the fish gear are meshed with threads on a pressing bolt, the fish gear can be driven to rotate when the pressing bolt rotates, and then part of the fish gear extends out of the cuboid steel block II in the rotating process and enters a gear locking groove, so that the cuboid steel block II and the cuboid steel block I are relatively fixed;

the safety buckle structure comprises a fixing seat and a press type key ring, one end of the fixing seat is fixedly connected with the small circular arc ring, and the other end of the fixing seat is movably connected with the press type key ring.

Further, the pressing block is a trapezoid body.

Further, the radiuses of the two circular arc gears are 1cm and 2cm respectively.

Compared with the prior art, the utility model adopts the combined mode of the rope end friction fixing structure, the device locking structure and the safety buckle structure, changes the fixed connection of the traditional safety belt and the descent control device rope into the detachable connection, realizes the matching of the safety belt and the rope, namely, a plurality of safety belts are arranged, and a plurality of safety belts can be connected on the descent control device rope, thereby facilitating the self-rescue and escape of a plurality of persons, thus improving the escape efficiency of dense areas of the persons when a disaster occurs and avoiding the detention of the persons caused by the insufficient number of the safety belts in the escape process; simultaneously, when carrying out many people's rescue, because the reciprocal tired use of safety belt, the security performance and the life of meeting greatly reduced safety belt use the utility model discloses can in time change the safety belt, avoid the tired use of safety belt, improve the security performance of ware slowly falls of saving oneself. Therefore, the invention has the advantages of simple structure, convenient installation and disassembly, effective saving of self-rescue time in the escape process of multiple persons, remarkable improvement of safety performance when the safety belt is used repeatedly, reduction of service life loss of the safety belt caused by repeated fatigue use, and improvement of equipment safety performance.

Drawings

Fig. 1 is a schematic structural diagram of the present invention;

FIG. 2 is a left rotated view of the cord end friction retaining structure and device locking structure of FIG. 1;

FIG. 3 is a cross-sectional view taken along line A-A of FIG. 2;

FIG. 4 is a cross-sectional view taken along line B-B of FIG. 2;

FIG. 5 is a perspective view of FIG. 2;

fig. 6 is a schematic perspective view of the sealing structure of the device in the present invention;

fig. 7 is a schematic perspective view of the friction fixing structure of the middle rope end of the present invention.

In the figure: 1-large arc ring; 2-a cuboid steel block I; 3-a hinge; 4-a cuboid steel block II; 5-small arc ring; 6-fixing the base; 7-push type key ring; 8-mounting grooves; 9-slowly descending the rope; 10-a hold-down bolt; 11-a cuboid groove; 12-gear locking recesses; 13-a threaded through hole; 14-a shaft rod; 15-yin yang fish gear; 16-a compact block.

Detailed Description

The present invention will be further explained below.

As shown in fig. 1 to 4, the left side of fig. 2 is used as the front for patent description, the utility model comprises a rope end friction fixing structure, a device locking structure and a safety buckle structure, wherein a large arc ring 1 and a small arc ring 5 are respectively fixed at two ends of the rope end friction fixing structure;

the rope end friction fixing structure is a cuboid steel block I2, an installation groove 8 is formed in the side portion of the cuboid steel block I2, and the installation groove 8 can accommodate a device locking structure; a hinge hole is formed in the side wall of the mounting groove 8 close to the large arc ring 5, and a gear locking groove 12 is formed in the side wall close to the small arc ring 5; a rectangular groove 11 is formed in the bottom surface of the mounting groove 8, and three surfaces of the rectangular groove 11 are saw-toothed friction surfaces for placing the slow descending rope 9;

the device sealing and locking structure comprises a cuboid steel block II 4, a compression bolt 10, a male-female fish gear 15 and a compression block 16, wherein the front end of the cuboid steel block II 4 is hinged with a hinge hole in the mounting groove 8 through a hinge 3, a threaded through hole 13 is formed in the cuboid steel block II 4, the compression bolt 10 is arranged in the threaded through hole 13, a compression block groove is formed in the lower part of the cuboid steel block II 4, the compression block 16 is placed in the compression block groove, and the compression bolt 10 can push the compression block 16 to extend out of the compression block groove into the cuboid groove 11 when rotating to compress and fix the descent control rope 9 in the cuboid groove 11; the fish gear 15 consists of two circular arc gears with different radiuses, the fish gear 15 is arranged in the cuboid steel block II 4 through a shaft lever 14, teeth of the fish gear are meshed with threads on the pressing bolt 10, the fish gear 15 can be driven to rotate when the pressing bolt 10 rotates, and then the fish gear 15 partially extends out of the cuboid steel block II 4 in the rotating process and enters the gear locking groove 12, so that the cuboid steel block II 4 and the cuboid steel block I2 are relatively fixed;

the safety buckle structure comprises a fixing seat 6 and a press type key ring 7, wherein one end of the fixing seat 6 is fixedly connected with the small arc ring 5, and the other end of the fixing seat 6 is movably connected with the press type key ring 7.

The above-mentioned male and female fish gears 15 are conventional components.

Further, the pressing block 16 is a trapezoid.

Further, the radiuses of the two circular arc gears are 1cm and 2cm respectively.

When the self-rescue descent control device needs to be used by a person, a rope with the length of 30cm is randomly selected at the rope end of the self-rescue descent control device to be folded, the rope passes through the large arc ring 1 from the lower surface of the rope end friction fixing structure of the self-rescue descent control device, and the rope after passing through is sleeved through the small arc ring 5; then the hold-down bolt 10 is rotated reversely to make the fish gear 15 completely positioned in the cuboid steel block II 4, because the rope end friction fixing structure and the device locking structure are hinged with each other, at the moment, one end of the device locking structure is lifted from the mounting groove 8, then the rope sleeved with the small arc ring 5 is straightened, and the rope is placed in the cuboid groove 11; then, the device locking structure is reset and placed in the mounting groove 8, the pressing block 16 is located above the cuboid groove 11, then the pressing bolt 10 is rotated in the forward direction, at the moment, the bolt moves towards the cuboid groove 11, the pressing block 16 can be pushed to extend out of the pressing block groove and enter the cuboid groove 11, pressure is applied to the slow descending rope 9 in the cuboid groove 11, the slow descending rope 9 is pressed and fixed by the three saw-tooth-shaped friction surfaces and the pressing block 16, meanwhile, teeth of the yin-yang fish gear 15 are meshed with threads on the pressing bolt, the yin-yang fish gear 15 is driven to rotate when the bolt rotates, and due to the fact that the radiuses of the two circular arc gears in the yin-yang fish gear 15 are different, the yin-yang fish gear partially extends out of the cuboid steel block II 4 and enters the gear locking groove 12 in the rotating process, and the cuboid steel block II 4 and the cuboid steel block I2 are relatively fixed; completing the rope fixing process. Finally, the press type key ring 7 of the safety buckle structure is connected with a safety belt, the safety belt is fixed on a person, and the person slowly descends to save self through a self-rescue descent control device after finishing the operation; after it reached safe position, with push type key ring 7 and safety belt separation, then save oneself slowly fall the ware and retrieve, can save oneself to use by the next personnel fast.

Claims (3)

1. A fixing device of a detachable self-rescue descent control device rope is characterized by comprising a rope end friction fixing structure, a device locking structure and a safety buckle structure, wherein a large arc ring and a small arc ring are respectively fixed at two ends of the rope end friction fixing structure;

the rope end friction fixing structure is a cuboid steel block I, an installation groove is formed in the side portion of the cuboid steel block I, and the installation groove can accommodate a device locking structure; a hinge hole is formed in the side wall of the mounting groove close to the large arc ring, and a gear locking groove is formed in the side wall close to the small arc ring; a rectangular groove is formed in the bottom surface of the mounting groove, and three surfaces of the rectangular groove are saw-toothed friction surfaces for placing a slow descending rope;

the device sealing and locking structure comprises a cuboid steel block II, a compression bolt, a male and female fish gear and a compression block, wherein the front end of the cuboid steel block II is hinged with a hinge hole in the mounting groove through a hinge, a threaded through hole is formed in the cuboid steel block II, the compression bolt is arranged in the threaded through hole, a compression block groove is formed in the lower part of the cuboid steel block II, the compression block is placed in the compression block groove, and the compression bolt can push the compression block to extend out of the compression block groove to enter the cuboid groove when rotating, so that a slow descending rope in the cuboid groove is compressed and fixed; the fish gear consists of two circular arc gears with different radiuses, the fish gear is arranged in a cuboid steel block II through a shaft rod, teeth of the fish gear are meshed with threads on a pressing bolt, the fish gear can be driven to rotate when the pressing bolt rotates, and then part of the fish gear extends out of the cuboid steel block II in the rotating process and enters a gear locking groove, so that the cuboid steel block II and the cuboid steel block I are relatively fixed;

the safety buckle structure comprises a fixing seat and a press type key ring, one end of the fixing seat is fixedly connected with the small circular arc ring, and the other end of the fixing seat is movably connected with the press type key ring.

2. The device as claimed in claim 1, wherein the pressing block is a trapezoid.

3. The fixing device of a detachable self-rescue descent control device rope as claimed in claim 1, wherein the two circular arc gears have radii of 1cm and 2cm, respectively.

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