阅读说明：本技术 一种缓降装置 (Slow descending device ) 是由 王青松 于 2019-11-05 设计创作，主要内容包括：本发明公开了一种缓降装置,更具体的说,尤其涉及一种可一次缓降多人单路径式的缓降装置,属于高层救援领域。现存该类产品存在两种缺陷,其一是其工作原理决定了它只能同时供一个人使用一次,效率低；在火灾发生时,如果有多人使用多套该设备,容易使得绳子下端扭转、缠绕在一起,妨碍该功能的正常实施。本发明通过机架限制旋转啮合时的距离,将下落能量传递给耗能机构,该机架、耗能机构、传动机构构成的整体可以随着重力在指定路径上与路径啮合下滑,从而达到沿着指定路径缓降作用。该结构采用了单一下降路径,解决了传统设计中绳子扭转、缠绕的问题。该结构的机架上设计有可以卡住路径的结构,在路径上可以同时卡住多个设备,实现同时缓降多人的目的。(The invention discloses a slow descending device, particularly relates to a single-path slow descending device capable of slowly descending multiple persons at one time, and belongs to the field of high-rise rescue. The existing products have two defects, one is that the working principle determines that the products can only be used by one person at the same time, and the efficiency is low; when a fire disaster happens, if a plurality of sets of the equipment are used by a plurality of people, the lower ends of the ropes are easy to twist and wind together, and the normal implementation of the function is prevented. The invention transmits the falling energy to the energy consumption mechanism by limiting the distance of the rack in rotary engagement, and the whole body formed by the rack, the energy consumption mechanism and the transmission mechanism can slide downwards along the specified path in an engagement way along with the gravity, thereby achieving the effect of slow falling along the specified path. The structure adopts a single descending path, and solves the problems of twisting and winding of the rope in the traditional design. The rack of the structure is provided with a structure capable of clamping a path, and a plurality of devices can be clamped on the path at the same time, so that the purpose of slowly descending a plurality of people at the same time is achieved.)

1. The utility model provides a slow descending device, characterized by, leave object (1) of appointed shape breach including appointed interval, with object (1) meshed object (2), power consumption mechanism (3) is being connected to object (2), object (2) are installed in frame (4), frame (4) are injectd the meshing distance is in appointed within range between object (1) and object (2), the whole that object (2), power consumption mechanism (3), frame (4) constitute realizes slowing down with the breach meshing of object (1).

2. The object (1) according to claim 1, characterized in that: the shape of the object (1) with the specified gap can be an edge gap of the object or a middle gap (hole) of the object.

3. The object (1) according to claim 1, characterized in that: the object (1) is strip-shaped or chain-shaped.

4. A strip-like or chain-like object according to claim 3, characterized in that: one end of the object is fixed, and the other end of the object naturally droops.

5. The object (2) according to claim 1, characterized in that: the object (2) is wheel-shaped and has a protruding part or a recessed part which is engaged with the object (1).

6. The dissipative mechanism (3) according to claim 1, wherein: the energy consumption mechanism (3) enables the power output end to consume energy in a specified mode by increasing the transmission ratio.

7. The specification as claimed in claim 6, wherein: comprises friction with a specified object, a hydraulic device for driving, and a spring for driving.

8. The object (2) according to claim 1 mounted on a frame (4), characterized in that: the object (2) is mounted on a shaft, which is mounted on a frame.

9. The frame (4) according to claim 1, characterized in that: the machine frame (4) fixes the designated position of the object (2) on the shaft, only one degree of freedom is rotated around the shaft, and the shaft on the machine frame (4) and the object (2) are connected through keys to realize the rotation at the same angular speed.

10. The object (2), the dissipative mechanism (3), the chassis (4) according to claim 1, characterized in that: the whole formed by the three components slowly descends along the object (1) under the action of gravity.

Technical Field

The invention relates to a slow descending device, in particular to a single-path slow descending device capable of slowly descending multiple persons at one time, and belongs to the field of high-rise rescue.

Background

With the progress of times and the development of technology, more and more people move into a high-rise community, and a high floor is a double-edged sword, so that on one hand, scarce land resources are saved, and on the other hand, when a fire disaster happens to a high floor, the fire disaster spreading is fast, people are evacuated slowly, and the like. Chinese utility model patent with patent number CN207356383U discloses "a high-rise escape descent control device", and its operating principle is: through the cooperation of barrel, variable speed curb plate and variable speed unit, the ring gear sets up on the variable speed curb plate in the variable speed unit to form the interlock through variable speed curb plate and barrel, ring gear, planetary gear are connected with the sun gear transmission, and the rope drives the barrel rotatory, and through ring gear-planetary gear-sun gear transmission center pin, the rope drives barrel and ring gear rotatory round, and planetary gear and sun gear rotate 5 rings for the center pin high-speed rotation produces centrifugal force, thereby realizes descending slowly along the rope. The invention has two defects, one is that the working principle determines that the invention can only be used by one person at the same time, and the efficiency is low; when a fire disaster happens, if a plurality of sets of the equipment are used by a plurality of people, the lower ends of the ropes are easy to twist and wind together, and the normal implementation of the function is prevented.

Disclosure of Invention

In order to overcome the defects of the technical problems, the invention provides a multi-person single-path slow descending device capable of slowly descending at one time.

The technical scheme adopted by the invention for solving the technical problems is as follows: the utility model provides a slow descending device, characterized by, leave object (1) of appointed shape breach including appointed interval, with object (1) rotatory meshing's object (2), power consumption mechanism (3) are being connected to object (2), object (2) are installed in frame (4), frame (4) are injectd the meshing distance is in appointed within range between object (1) and object (2), the whole that object (2), power consumption mechanism (3), frame (4) constitute realizes slowing down with the breach meshing of object (1).

The object (1) being characterized in that: the shape of the object (1) with the specified gap can be an edge gap of the object or a middle gap (hole) of the object.

The object (1) being characterized in that: the object (1) is strip-shaped or chain-shaped.

The strip-shaped or chain-shaped object (1) is characterized in that: one end of the object is fixed, and the other end of the object naturally droops.

The object (2) being characterized in that: the object (2) is wheel-shaped and has a protruding part or a recessed part which is engaged with the object (1).

The energy consumption mechanism (3) is characterized in that: the energy consumption mechanism (3) enables the power output end to consume energy in a specified mode by increasing the transmission ratio.

The specifying mode is characterized in that: including friction with designated objects, eddy current braking.

The object (2) is arranged on the frame (4), and is characterized in that: the object (2) is mounted on a shaft, which is mounted on a frame.

The frame (4), its characterized in that: the machine frame (4) fixes the designated position of the object (2) on the shaft, only one degree of freedom is rotated around the shaft, and the shaft on the machine frame (4) and the object (2) are connected through keys to realize the rotation at the same angular speed.

The object (2), the energy consumption mechanism (3) and the frame (4) are characterized in that: the whole formed by the three components slowly descends along the object (1) under the action of gravity.

The invention has the beneficial effects that: the invention discloses a slow descending device, particularly relates to a single-path slow descending device capable of slowly descending multiple persons at one time, and belongs to the field of high-rise rescue. The existing products have two defects, one is that the working principle determines that the products can only be used by one person at the same time, and the efficiency is low; when a fire disaster happens, if a plurality of sets of the equipment are used by a plurality of people, the lower ends of the ropes are easy to twist and wind together, and the normal implementation of the function is prevented. The invention transmits the falling energy to the energy consumption mechanism by limiting the distance of the rack in rotary engagement, and the whole body formed by the rack, the energy consumption mechanism and the transmission mechanism can slide downwards along the specified path in an engagement way along with the gravity, thereby achieving the effect of slow falling along the specified path. The structure adopts a single descending path, and solves the problems of twisting and winding of the rope in the traditional design. The rack of the structure is provided with a structure capable of clamping a path, and a plurality of devices can be clamped on the path at the same time, so that the purpose of slowly descending a plurality of people at the same time is achieved.

Drawings

The invention is further illustrated with reference to the following figures and examples.

FIG. 1 is a schematic diagram of the principles of the present invention;

FIG. 2 is a schematic illustration of an alternative form of gearing of the present invention;

FIG. 3 is a schematic diagram of the present invention showing the limited engagement spacing of the housing;

fig. 4 is a schematic diagram of an energy consuming mechanism.

In the figure, 1, a transmission chain, 2, a chain wheel, 301, a first main shaft, 302, a large synchronous belt wheel, 303, a synchronous belt, 304, a small synchronous belt wheel, 305, a second main shaft, 306, a large gear, 307, a double-layer gear, 308, a double-layer gear, 309, a double-layer gear, 310, a small gear, 401, a rack, 402, a rack, 403, a movable rack, 404, a rack, 405, a rack, 406, a rack, 5, a first meshing mode, 6, a second meshing mode, 7, a third meshing mode, 8, a meshing belt, 9, a top view of the meshing wheel, 10, a fifth meshing mode, 11, a sixth meshing mode, 12, a sixth meshing mode, 131, a side view of a groove belt on two sides, 132, a top view of a limiting structure of the 131 belt, 141, a limiting mode on two sides, 142, a fixing structure of the 141, 15, a limiting structure on one side, 16, a rack groove and a fixing part, 171. driven rod, 172 metal disc, 173 horseshoe magnet, 174 friction cylinder with slide inside, 175 spring, 176 friction body.

Detailed Description

[ example 1 ]

The power transmission line of the slow descending device is as follows: the transmission chain (1) is meshed with the chain wheel (2) to transmit power, the chain wheel (2) drives a large synchronous pulley (302) arranged on a first main shaft (301) to rotate, the large synchronous pulley (302) transmits the power to a small synchronous pulley (304) through a synchronous belt (303), the small synchronous pulley (304) drives a large gear (306) arranged on a second main shaft (305), the large gear (306) transmits the power to a double-layer gear (307), the double-layer gear (307) transmits the power to a double-layer gear (308), the double-layer gear (308) transmits the power to a double-layer gear (309), the double-layer gear (309) transmits the power to a small gear (310), the small gear (310) drives a shaft (171) to rotate, the shaft (171) drives a metal disc (172) arranged on the shaft to rotate, the metal disc (172) continuously cuts a horseshoe magnet (173) fixed on a, the transmission ratio is continuously increased in the transmission process, so that the linear speed of the cutting magnetic induction of the terminal metal disc (173) is extremely high, eddy current is generated, and energy is consumed.

The connecting structure is as follows: the transmission chain (1) is meshed with the chain wheel (2) through a gap between the rack (401) and the rack (402), the meshing distance is limited by the movable rack (403), the rack (401) and the rack (402) limit the first main shaft (301) to have only one rotational degree of freedom, the chain wheel (2) is limited to have only one rotational degree of freedom by a shaft shoulder and shaft sleeve structure on the first main shaft (301), and a mounting key on the main shaft (301) is matched with a key groove on the chain wheel (2) to enable the chain wheel (2) to have the first main shaft (301) to rotate synchronously. The rack (404) is connected with the rack (401), the rack (402), the rack (405) and the rack (406) through bolts. The horseshoe magnet (173) is fixed to the frame (404) and is positioned below the metal disc (172) such that the metal disc (172) rotates between the two stages of the horseshoe magnet (173). The invention is characterized in that the transmission chain is meshed with the chain wheel speed reducing mechanism to realize slow descending.

[ example 2 ]

The engagement may take a variety of forms as shown in fig. 2. Wherein (5) the toothed belt is meshed with one side of the gear; (6) the toothed belt is meshed with the gear on two sides; (7) the rectangular groove belt is meshed with the single side surface of the polygonal wheel; (8) the rectangle of the rectangular groove belt is positioned in the middle; (9) a polygonal wheel top view; (10) the transmission chain is meshed with one side of the chain wheel; (11) the transmission chain is meshed with the two sides of the chain wheel; (12) the rectangular groove belt is meshed with the two sides of the polygonal wheel.

[ example 3 ]

The positioning of the gantry can take a variety of forms as shown in fig. 3. Wherein (131) is a belt-shaped structure with grooves on the side surface, and (132) is a meshing positioning mode of the belt-shaped structure; (141) the positioning mode is a rectangular groove belt and polygonal wheel bilateral meshing mode, (142) the movable fixing piece is the positioning mode; (15) the side surface of the rectangular groove belt is engaged in a positioning mode; (16) the positioning mode of the transmission chain and the chain wheel is adopted in the positioning mode of figure 1.

[ example 4 ]

The energy consuming mechanism may take a number of forms as shown in figure 4. The former drives axle (171) rotation for pinion (310), and axle (171) drive metal disc (172) of installing on it and rotate, metal disc (172) are through rotatory constantly cutting horse shoe magnet (173) fixed in the frame, and the drive ratio is constantly increased in the transmission process for terminal metal disc (173) cuts magnetic induction linear velocity extremely fast, produces the vortex, with energy consumption. The latter drives a shaft (171) to rotate for a pinion (310), the shaft (171) drives a spring (175) mounted on the shaft to rotate, the spring (175) drives a friction body (176) at the port of the spring to rotate along a track on the inner side of a friction cylinder fixed on a frame, energy is consumed through friction in rotation, the transmission ratio is continuously increased in the transmission process, and the friction body (176) at the terminal and the friction cylinder (174) are rapidly rubbed to consume a large amount of energy.