CN112618975B - Self-locking descending lifesaving device - Google Patents
Self-locking descending lifesaving device Download PDFInfo
- Publication number
- CN112618975B CN112618975B CN202011505645.2A CN202011505645A CN112618975B CN 112618975 B CN112618975 B CN 112618975B CN 202011505645 A CN202011505645 A CN 202011505645A CN 112618975 B CN112618975 B CN 112618975B
- Authority
- CN
- China
- Prior art keywords
- lifesaving device
- device body
- fixedly connected
- wall
- cylinder
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Classifications
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62B—DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
- A62B1/00—Devices for lowering persons from buildings or the like
- A62B1/06—Devices for lowering persons from buildings or the like by making use of rope-lowering devices
- A62B1/14—Devices for lowering persons from buildings or the like by making use of rope-lowering devices with brakes sliding on the rope
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62B—DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
- A62B18/00—Breathing masks or helmets, e.g. affording protection against chemical agents or for use at high altitudes or incorporating a pump or compressor for reducing the inhalation effort
- A62B18/02—Masks
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62B—DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
- A62B18/00—Breathing masks or helmets, e.g. affording protection against chemical agents or for use at high altitudes or incorporating a pump or compressor for reducing the inhalation effort
- A62B18/08—Component parts for gas-masks or gas-helmets, e.g. windows, straps, speech transmitters, signal-devices
Abstract
The invention discloses a self-locking descending lifesaving device which comprises a lifesaving device body arranged on a rope, wherein a vertical rod is inserted into the lower side wall of the lifesaving device body, the lower end of the vertical rod is fixedly connected with a gas collecting hood, an expansion spring with two ends respectively fixedly connected with the outer wall of the vertical rod and the inner bottom wall of the lifesaving device body is sleeved on the outer wall of the vertical rod, a guide plate is fixedly connected into the lifesaving device body, a transverse plate is inserted in the guide plate in a sliding mode, a reset spring is fixedly connected between the left end of the transverse plate and the inner wall of the lifesaving device body, and a bayonet is formed in the upper side wall of the transverse plate. The gas-collecting hood controls the downward moving speed of the lifesaving device body, the cylinder is triggered to move and rotate when the downward sliding speed of the lifesaving device body is too high, so that the connection between the cylinder and the rope is realized, the cylinder twists the rope, the lifesaving device body is locked with the rope, the lifesaving device body is prevented from continuously sliding downwards, and the safety factor of the lifesaving device body in use is increased.
Description
Technical Field
The invention relates to the technical field of lifesaving devices, in particular to a self-locking descending lifesaving device.
Background
The lifesaving slow-falling device is composed of hook, sling and rope, and can be mounted on the window of building, balcony or flat top of building, also can be mounted on the fire-fighting truck for rescuing the person in distress on the fire scene of high-rise building.
Although the existing lifesaving device is generally provided with a speed reducing device to ensure the safety of disaster personnel, when the speed reducing device is damaged and fails, the whole lifesaving device cannot be locked and fixed in time, and still slides downwards rapidly, so that the safety of the disaster personnel is threatened.
Disclosure of Invention
The invention aims to solve the problems in the background technology and provides a self-locking descending lifesaving device.
In order to achieve the purpose, the invention adopts the following technical scheme:
a self-locking descending lifesaving device comprises a lifesaving device body arranged on a rope, wherein a vertical rod is inserted into the lower side wall of the lifesaving device body, a gas collecting hood is fixedly connected to the lower end of the vertical rod, an expansion spring with two ends respectively fixedly connected with the outer wall of the vertical rod and the inner bottom wall of the lifesaving device body is sleeved on the outer wall of the vertical rod, a guide plate is fixedly connected into the lifesaving device body, a transverse plate is inserted into the guide plate in a sliding manner, a reset spring is fixedly connected between the left end of the transverse plate and the inner wall of the lifesaving device body, a bayonet is formed in the upper side wall of the transverse plate, a clamping rod is fixedly connected to the upper end of the vertical rod, the end part of the clamping rod is inserted into the bayonet, a cylinder is connected to the end part of the transverse plate, a through hole matched with the diameter of the rope is formed in the end part of the cylinder, a toothed plate positioned on the upper side of the cylinder is arranged in the lifesaving device body, and a toothed disc meshed with the toothed plate is fixedly sleeved on the outer wall of the cylinder, fixedly connected with connecting spring between the tip of pinion rack and the inner wall of lifesaving ware body, fixedly connected with links the board on the outer wall of diaphragm, the tip fixedly connected with wedge of linking the board, the pinion rack is kept away from connecting spring's one end and is contacted with the inclined plane of wedge.
Preferably, a bearing is fixedly embedded in the end portion of the transverse plate, and the end portion of the cylinder is inserted in the bearing and is fixedly connected with an inner ring of the bearing.
Preferably, a wire guide wheel is arranged in the lifesaving device body, one end, far away from the cylinder, of the transverse plate is fixedly connected with a pull rope which is arranged around the wire guide wheel, and the end part of the pull rope penetrates through the outside of the lifesaving device body and is fixedly connected with a pull ring.
Preferably, the width of the wedge-shaped plate is gradually increased from left to right.
Compared with the prior art, the self-locking descending lifesaving device has the advantages that:
1. the gas collecting hood is arranged, when the lifesaving device body slides downwards on the rope, airflow blows upwards to prevent the lifesaving device body from moving downwards and slow down the gliding speed of the lifesaving device body, when the gliding speed of the lifesaving device body is too high, the flowing speed of the airflow is too high, the airflow flowing into the gas collecting hood is increased within a certain time, and then the gas collecting hood is extruded to move upwards, so that the end part of the clamping rod is separated from the bayonet, the locking between the lifesaving device body and the rope is triggered, and the use safety of the lifesaving device body is ensured;
2. the rope clamping device is characterized in that a transverse plate, a cylinder, a toothed plate and a toothed disc are arranged, when the downward moving speed of the lifesaving device body is too high, a clamping rod is separated from a bayonet, the transverse plate moves to one side of the rope under the reverse elasticity of a reset spring until the toothed plate is meshed with the toothed disc, a through hole is inserted into the outer side of the rope, meanwhile, the wedge-shaped plate is in contact with the end part of the toothed plate to extrude the toothed plate to move to one side, the cylinder is driven to rotate through the meshing between the toothed plate and the toothed disc, the cylinder twists the rope, the lifesaving device body can be stably connected with the rope, the lifesaving device body is prevented from continuously sliding downwards on the rope, and the safety coefficient is increased;
3. the pull rope and the pull ring are arranged, when the connection between the cylinder and the rope needs to be released, the pull ring is held to pull downwards, the transverse plate is driven to move towards one side far away from the rope through the pull rope, meanwhile, the wedge-shaped plate is not in contact with the end part of the toothed plate, the toothed plate moves back under the reverse elastic action of the connecting spring, the cylinder is driven to rotate reversely, the twisted rope is loosened, the through hole is separated from the rope, and the lifesaving device body can continue to slide on the rope;
in conclusion, the downward moving speed of the lifesaving device body is controlled through the gas collecting hood, the cylinder is triggered to move and rotate when the downward moving speed of the lifesaving device body is too high, so that the connection between the cylinder and the rope is realized, the rope is twisted by the cylinder, the lifesaving device body is locked with the rope, the lifesaving device body is prevented from continuously sliding downwards, and the safety factor of the lifesaving device body in use is increased.
Drawings
Fig. 1 is a schematic structural view of a self-locking descending lifesaving device provided by the invention;
fig. 2 is a top view of the connection between the cross plate and the column of the self-locking descending lifesaving device.
In the figure: 1 rope, 2 life saving equipment bodies, 3 montants, 4 gas collecting channels, 5 diaphragm, 6 reset spring, 7 cylinder, 8 bayonet sockets, 9 kelly, 10 expanding spring, 11 bearings, 12 openings, 13 pinion rack, 14 connecting spring, 15 link board, 16 wedge boards, 17 wire wheels, 18 stay ropes, 19 pull rings.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
Referring to fig. 1-2, a self-locking descending lifesaving device comprises a lifesaving device body 2 arranged on a rope 1, a vertical rod 3 is inserted into the lower side wall of the lifesaving device body 2, a gas collecting hood 4 is fixedly connected to the lower end of the vertical rod 3, when the lifesaving device body 2 slides down on the rope 1, airflow blows upwards to prevent the lifesaving device body 2 from moving downwards and slow down the gliding speed of the lifesaving device body 2, when the gliding speed of the lifesaving device body 2 is too high, the flowing speed of the airflow is too high, the airflow flowing into the gas collecting hood 4 is increased within a certain time, and further the gas collecting hood 4 is extruded to move upwards to separate the end part of a clamping rod 9 from a bayonet 8, a telescopic spring 10 is sleeved on the outer wall of the vertical rod 3, two ends of the telescopic spring are respectively and fixedly connected with the outer wall of the vertical rod 3 and the inner bottom wall of the lifesaving device body 2, a guide plate is fixedly connected in the lifesaving device body 2, a transverse plate 5 is inserted in the guide plate, a reset spring 6 is fixedly connected between the left end of the transverse plate 5 and the inner wall of the lifesaving device body 2, a bayonet 8 is arranged on the upper side wall of the transverse plate 5, a clamping rod 9 is fixedly connected at the upper end of the vertical rod 3, the end part of the clamping rod 9 is inserted in the bayonet 8, a cylinder 7 is connected at the end part of the transverse plate 5, a bearing 11 is fixedly embedded at the end part of the transverse plate 5, the end part of the cylinder 7 is inserted in the bearing 11 and is fixedly connected with the inner ring of the bearing 11, the connection between the cylinder 7 and the transverse plate 5 is carried out through the bearing 11, the subsequent cylinder 7 can stably rotate, a through hole 12 matched with the diameter of the rope 1 is arranged at the end part of the cylinder 7, a toothed plate 13 positioned at the upper side of the cylinder 7 is arranged in the lifesaving device body 2, a toothed disc meshed with the toothed plate 13 is fixedly sleeved on the outer wall of the cylinder 7, a connecting spring 14 is fixedly connected between the end part of the toothed plate 13 and the inner wall of the lifesaving device body 2, a connecting plate 15 is fixedly connected on the outer wall of the transverse plate 5, the end part of the connecting plate 15 is fixedly connected with a wedge plate 16, one end of the toothed plate 13, which is far away from the connecting spring 14, is in contact with the inclined plane of the wedge plate 16, the width of the wedge plate 16 is gradually increased from left to right, the width is gradually increased to ensure that the toothed plate 13 can be continuously extruded to move towards one side of the connecting spring 14 along with the right movement of the wedge plate 16, when the downward movement speed of the lifesaving device body 2 is too high, the clamping rod 9 is separated from the bayonet 8, the transverse plate 5 moves towards one side of the rope 1 under the reverse elasticity of the reset spring 6 until the toothed plate 13 is meshed with the toothed plate, the through hole 12 is inserted to the outer side of the rope 1, meanwhile, the end parts of the wedge plate 16 and the toothed plate 13 are in contact with each other to extrude the toothed plate 13 to move towards one side, the cylindrical column 7 is driven to rotate through the meshing between the toothed plate 13 and the toothed plate, the cylindrical column 7 is twisted with the rope 1, so that the lifesaving device body 2 can be stably connected with the rope 1, and prevent the lifesaving device body 2 from continuously sliding downwards on the rope 1, increasing the safety factor.
Further, the length of the sawteeth on the fluted disc and the toothed plate 13 is long, so that the fluted disc can be always meshed with the toothed plate 13 in the moving process of the cylinder 7.
Be provided with wire wheel 17 in the life saving device body 2, the one end fixedly connected with that cylinder 7 was kept away from to diaphragm 5 walks around stay cord 18 that wire wheel 17 set up, the tip of stay cord 18 runs through the outside and the fixedly connected with pull ring 19 that extend to life saving device body 2, when needing to remove being connected between cylinder 7 and the rope 1, hold pull ring 19 and stimulate down, drive diaphragm 5 through stay cord 18 and remove toward one side of keeping away from rope 1, wedge 16 no longer contacts with the tip of pinion rack 13 simultaneously, pinion rack 13 moves back under connecting spring 14's reverse elasticity effect, drive cylinder 7 reversal, make torsional rope 1 loosen, opening 12 breaks away from rope 1, life saving device body 2 can continue to slide on rope 1.
Further, unless otherwise specifically stated or limited, the above-described fixed connection is to be understood in a broad sense, and may be, for example, welded, glued, or integrally formed as is conventional in the art.
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 the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (4)
1. A self-locking descending lifesaving device comprises a lifesaving device body (2) arranged on a rope (1), and is characterized in that a vertical rod (3) is inserted into the lower side wall of the lifesaving device body (2), a gas collecting hood (4) is fixedly connected to the lower end of the vertical rod (3), a telescopic spring (10) with two ends fixedly connected with the outer wall of the vertical rod (3) and the inner bottom wall of the lifesaving device body (2) is sleeved on the outer wall of the vertical rod (3), a guide plate is fixedly connected in the lifesaving device body (2), a transverse plate (5) is slidably inserted in the guide plate, a reset spring (6) is fixedly connected between the left end of the transverse plate (5) and the inner wall of the lifesaving device body (2), a bayonet (8) is formed in the upper side wall of the transverse plate (5), a clamping rod (9) is fixedly connected to the upper end of the vertical rod (3), and the end of the clamping rod (9) is inserted in the bayonet (8), the end connection of diaphragm (5) has cylinder (7), the tip of cylinder (7) seted up with rope (1) diameter assorted opening (12), be equipped with pinion rack (13) that are located cylinder (7) upside in lifesaving ware body (2), fixed cover is equipped with the fluted disc that meshes mutually with pinion rack (13) on the outer wall of cylinder (7), fixedly connected with connecting spring (14) between the tip of pinion rack (13) and the inner wall of lifesaving ware body (2), fixedly connected with even board (15) on the outer wall of diaphragm (5), the tip fixedly connected with wedge plate (16) of even board (15), the one end that connecting spring (14) were kept away from in pinion rack (13) contacts with the inclined plane of wedge plate (16).
2. The self-locking descending lifesaving device according to claim 1, wherein a bearing (11) is fixedly embedded in the end part of the transverse plate (5), and the end part of the cylinder (7) is inserted in the bearing (11) and is fixedly connected with the inner ring of the bearing (11).
3. The self-locking descending lifesaving device according to claim 1, wherein a wire guide wheel (17) is arranged in the lifesaving device body (2), one end of the transverse plate (5) far away from the cylinder (7) is fixedly connected with a pull rope (18) which is arranged by bypassing the wire guide wheel (17), and the end part of the pull rope (18) penetrates through and extends to the outside of the lifesaving device body (2) and is fixedly connected with a pull ring (19).
4. A self-locking descent rescue device according to claim 1, wherein the wedge plate (16) is gradually increased in width from left to right.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011505645.2A CN112618975B (en) | 2020-12-18 | 2020-12-18 | Self-locking descending lifesaving device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011505645.2A CN112618975B (en) | 2020-12-18 | 2020-12-18 | Self-locking descending lifesaving device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112618975A CN112618975A (en) | 2021-04-09 |
| CN112618975B true CN112618975B (en) | 2022-03-29 |
Family
ID=75317383
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011505645.2A Active CN112618975B (en) | 2020-12-18 | 2020-12-18 | Self-locking descending lifesaving device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112618975B (en) |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204319544U (en) * | 2014-12-16 | 2015-05-13 | 王欣阳 | A kind of fire fighting safety rope |
| GB2548879B (en) * | 2016-03-31 | 2018-09-05 | Zwart Klaas | An abseiling device |
| CN206518782U (en) * | 2017-02-06 | 2017-09-26 | 中国航天空气动力技术研究院 | A kind of fast escaping device of pneumatic unblock |
| CN111691662A (en) * | 2020-06-22 | 2020-09-22 | 周武昌 | Hanging point device for construction equipment |
| CN111905280A (en) * | 2020-07-16 | 2020-11-10 | 浙江工业职业技术学院 | Self-resetting direct descending mechanism |
-
2020
- 2020-12-18 CN CN202011505645.2A patent/CN112618975B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN112618975A (en) | 2021-04-09 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102068768A (en) | Follow-up clamp type climbing fire fighting rescue capsule | |
| CN112618975B (en) | Self-locking descending lifesaving device | |
| CN201799022U (en) | Mechanical high-building escape device | |
| CN211110501U (en) | Elevator car top safety lifesaving door structure | |
| CN209489953U (en) | A kind of window wiping robot safety rope sling | |
| CN208762016U (en) | A kind of Architectural Equipment hanging apparatus | |
| CN201969219U (en) | Follow-up clamp type climbing fire control escape capsule | |
| CN104912446A (en) | Tall building self rescue escape window | |
| CN204728929U (en) | A kind of high-rise self-rescue escape window | |
| CN113526389A (en) | High-altitude self-overturning pulley hook | |
| CN101966371B (en) | Mechanical descent control device | |
| CN113244541A (en) | Super-altitude fire rescue system and rescue method thereof | |
| CN112392397A (en) | Fire control aerial ladder | |
| CN201823192U (en) | Lifesaving apparatus for narrow well | |
| CN112587828B (en) | Deep hole rescue equipment for collapse danger | |
| CN212271983U (en) | Double-layer fire-fighting escape and rescue guardrail | |
| CN218616457U (en) | Fire engine with convenient type climbing device | |
| CN216258776U (en) | Reciprocating type high-rise escape descent control device | |
| CN112972915B (en) | Household emergency lifesaving parachute | |
| CN2691641Y (en) | Storey building emergency life saving escaping device | |
| CN218739914U (en) | High-rise alternate rapid-descent escape device | |
| CN2322647Y (en) | Device for rescuing from fire for tall building | |
| CN210768526U (en) | Security protection is burglary-resisting window for engineering | |
| CN210009527U (en) | Reciprocating type high-rise fire-fighting escape descent control device | |
| CN211008430U (en) | Fire engine scaling ladder that stretches out and draws back |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20220307 Address after: 214500 No. 12, Shannan Road, Chengbei Park, Jingjiang City, Taizhou City, Jiangsu Province Applicant after: Jiangsu Shian Police Equipment Co.,Ltd. Address before: 110000 no.11-1, Shenying Road, Hunnan District, Shenyang City, Liaoning Province (b-6-6) Applicant before: Xie Shanshan |
|
| TA01 | Transfer of patent application right | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |