CN202061271U - Mechanical descent control device - Google Patents
Mechanical descent control device Download PDFInfo
- Publication number
- CN202061271U CN202061271U CN2011201078630U CN201120107863U CN202061271U CN 202061271 U CN202061271 U CN 202061271U CN 2011201078630 U CN2011201078630 U CN 2011201078630U CN 201120107863 U CN201120107863 U CN 201120107863U CN 202061271 U CN202061271 U CN 202061271U
- Authority
- CN
- China
- Prior art keywords
- ratchet
- brake
- winch axle
- shoe brake
- lower bearing
- 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.)
- Expired - Fee Related
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Abstract
The utility model discloses a mechanical descent control device which comprises a frame which consists of an upper frame and a lower frame, wherein a winching shaft is arranged on the lower frame; the external ends of the winching shaft at two sides of the lower frame are respectively provided with a brake controlling device and a ratchet wheel controlling device; a connecting bar is arranged at an external end part of the winching shaft which is provided with the ratchet wheel controlling device; a cranking bar is arranged at the other end part of the connecting bar; the upper frame is provided with a labor saving device; the labor saving device comprises two fixed pulleys and a pull wire fixing point which are arranged at an upper part of the upper frame; and the winching shaft, the two fixed pulleys and the pull wire fixing point are mutually connected with a pull wire, wherein a movable pulleys is arranged on the pull wire which is arranged between the pull wire fixing point and one fixed pulley closer to the pull wire fixing point, and the movable pulley is provided a hanging hook. The mechanical descent control device has the advantages of simple structure, convenience in use, safety and efficiency as well as time saving and labor saving and can be used for self rescuing or rescuing other people quickly.
Description
Technical field
The utility model relates to Life Saving Apparatus, especially relates to a kind of mechanical type descending lifeline.
Background technology
In life, the crowd comparatively places with dense such as school, market, hospital, residential building contour, in, in the low-rise building, except indoor and outdoor stair passage, do not have other safe escape devices.In above-mentioned building; in case breaking out of fire; if indoor and outdoor stair access denial; will allow people feel simply helpless; the escape of in emergency situations such as fire, except waiting for, rescuing or jump out of the building for this reason; without any way, and regular meeting burns scald to death, smoked by pernicious gas and poison with poison, jump out of the building and fall to death the major accident of tumble injury in waiting for and escaping, and is very painful.
Summary of the invention
The purpose of this utility model is to overcome the deficiencies in the prior art, and provides a kind of simple in structure, and is easy to use, safe and efficient, time saving and energy saving, the mechanical type descending lifeline that can carry out self-help escape fast or other people be carried out rescue work.
The purpose of this utility model is achieved in that it comprises the frame of being made up of upper spider and lower bearing bracket, described lower bearing bracket is provided with the winch axle, described winch axle is respectively equipped with brake control and ratchet control device on the outer end of lower bearing bracket both sides, the winch axle outer end that is provided with the ratchet control device is provided with connecting rod, the other end of connecting rod is provided with crank, described upper spider is provided with work-saving device, two fixed pulleys that described work-saving device comprises that upper spider top is provided with and stay cord fixing point, described winch axle, two fixed pulleys, be connected with stay cord on the stay cord fixing point jointly, the stay cord that is provided with between its medium pulling rope fixing point and the fixed pulley close with it is provided with movable pulley, and movable pulley is provided with hook.
Described brake control comprises brake drum that is located on winch axle one end and the shoe brake holder that is located on the lower bearing bracket, described brake drum is provided with shoe brake and following shoe brake, be provided with bearing pin between last shoe brake and following shoe brake and the shoe brake holder, be provided with key between brake drum and the winch axle, be provided with connection cord between brake handle that is connected with on the last shoe brake and the following shoe brake.
Described ratchet control device comprises ratchet that is located on winch axle the other end and the ratchet holder that is located on the lower bearing bracket, be connected with bearing pin between described ratchet holder and the ratchet which is provided with, the described ratchet other end is located on the ratchet, be provided with pawl restoring spring between fixed leg that the ratchet holder is provided with and the ratchet, the other end that ratchet is provided with the pedal connection cord is provided with the ratchet cut-out pedal.
Be provided with bearing between described winch axle and the lower bearing bracket.
Because adopt technique scheme, the mechanical type descending lifeline that the utility model provides has following advantage: simple in structure, easy to use, safe and efficient, time saving and energy saving, can carry out self-help escape fast or other people are carried out rescue work.
Description of drawings
Fig. 1 is a structural representation of the present utility model;
Fig. 2 is that the A-A of Fig. 1 is to structural representation;
Fig. 3 is the left TV structure schematic diagram of Fig. 1.
Lower bearing bracket in the drawings, 1, upper spider, 2,, 3, winch axle, 4, fixed pulley, 5, the stay cord fixing point, 6, stay cord, 7, movable pulley, 8, hook, 9, brake drum, 10, the shoe brake holder, 11, go up shoe brake, 12, following shoe brake, 13, bearing pin, 14, key, 15, brake handle, 16, connection cord, 17, ratchet, 18, ratchet holder, 19, ratchet, 20, bearing pin, 21, fixed leg, 22, pawl restoring spring, 23, the pedal connection cord, 24, the ratchet cut-out pedal, 25, connecting rod, 26, crank.
The specific embodiment
As shown in Figure 1 to Figure 3, the mechanical type descending lifeline that the utility model provides comprises the frame of being made up of upper spider 1 and lower bearing bracket 2, described lower bearing bracket 2 is provided with winch axle 3, described winch axle 3 is respectively equipped with brake control and ratchet control device on the outer end of lower bearing bracket 2 both sides, the winch axle outer end that is provided with the ratchet control device is provided with connecting rod 25, the other end of connecting rod 25 is provided with crank 26, described upper spider 1 is provided with work-saving device, two fixed pulleys 4 that described work-saving device comprises that upper spider 1 top is provided with and stay cord fixing point 5, described winch axle 3, two fixed pulleys 4, be connected with stay cord 6 on the stay cord fixing point 5 jointly, the stay cord 6 that is provided with between its medium pulling rope fixing point 5 and the fixed pulley close with it is provided with movable pulley 7, movable pulley 7 is provided with hook 8, described brake control comprises brake drum 9 that is located on winch axle 3 one ends and the shoe brake holder 10 that is located on the lower bearing bracket 2, described brake drum 9 is provided with shoe brake 11 and following shoe brake 12, be provided with bearing pin 13 between last shoe brake 11 and following shoe brake 12 and the shoe brake holder 10, be provided with key 14 between brake drum 9 and the winch axle 3, be provided with connection cord 16 between brake handle 15 that is connected with on the last shoe brake 11 and the following shoe brake 12, described ratchet control device comprises ratchet 17 that is located on winch axle 3 the other end and the ratchet holder 18 that is located on the lower bearing bracket 2, be connected with bearing pin 20 between described ratchet holder 18 and the ratchet 19 which is provided with, described ratchet 19 other ends are engaged on the ratchet 17, be provided with pawl restoring spring 22 between fixed leg 21 that ratchet holder 18 is provided with and the ratchet 19, pedal connection cord 23 other ends that ratchet 19 is provided with are provided with ratchet cut-out pedal 24, are provided with bearing between described winch axle 3 and the lower bearing bracket 2.
During concrete the use, at first below windowsill or windowsill, fix upper spider 1 of the present utility model and lower bearing bracket 2 on the indoor wall.Run into emergency situation and carry out escape and rescue when work, rescued the escape personnel to fasten safety binding on one's body, the hook 8 on the hook on the safety binding and the movable pulley 7 is articulated, the escape personnel leave be hung in behind the windowsill below the movable pulley 7 in the air.
Help the rescuer of escape and rescue activity in place ready, before the rescuer stepped on ratchet cut-out pedal 24, ratchet 17 and ratchet 19 engaged, the escape personnel rests in the air, the rescuer rides ratchet cut-out pedal 24, and ratchet 17 separates with ratchet 19, and the escape personnel begins to descend.During this time, escape personnel's decrease speed is controlled by 26 rotations of the crank on the hand control winch axle 3, proficiency pushing fixed handle 15 by the rescuer, when the rescuer uses hand push brake handle 15, shoe brake 11 and following shoe brake 12 are gone up in brake handle 15 tensions, make upper and lower shoe brake embrace brake drum 9, braking friction control winch axle 3 rotating speeds between last shoe brake 11, following shoe brake 12 and the brake drum 9, thus the decrease speed of control stay cord 6 and movable pulley 7 lower draw-bars 8 or realization are stopped fully.When the escape personnel arrives safe and sound after ground unties safety binding, the rescuer oppositely shakes the crank 26 on the winch axle 3, retracts the escape and rescue work that movable pulley 7 and safety binding launch next personnel rapidly.
Last rescuer unties pawl restoring spring 22 makes ratchet 19 and ratchet 17 break away from engagement, and only by drawing another root rope control braking friction on fixed handle 15 1 ends, the escape decrease speed that draws oneself up is up to finishing escape voluntarily.
Claims (4)
1. mechanical type descending lifeline, it is characterized in that, it comprises the frame of being made up of upper spider (1) and lower bearing bracket (2), described lower bearing bracket (2) is provided with winch axle (3), described winch axle (3) is respectively equipped with brake control and ratchet control device on the outer end of lower bearing bracket (2) both sides, winch axle (3) outer end that is provided with the ratchet control device is provided with connecting rod (25), the other end of connecting rod (25) is provided with crank (26), described upper spider (1) is provided with work-saving device, described work-saving device comprises two fixed pulleys (4) and the stay cord fixing point (5) that upper spider (1) top is provided with, described winch axle (3), two fixed pulleys (4), be connected with stay cord (6) on the stay cord fixing point (5) jointly, the stay cord (6) that is provided with between its medium pulling rope fixing point (5) and the fixed pulley close with it is provided with movable pulley (7), and movable pulley (7) is provided with hook (8).
2. mechanical type descending lifeline according to claim 1, it is characterized in that, described brake control comprises and is located at the brake drum (9) on winch axle (3) one ends and is located at shoe brake holder (10) on the lower bearing bracket (2), described brake drum (9) is provided with shoe brake (11) and following shoe brake (12), be provided with bearing pin (13) between last shoe brake (11) and following shoe brake (12) and the shoe brake holder (10), be provided with key (14) between brake drum (9) and the winch axle (3), be provided with connection cord (16) between brake handle (15) that is connected with on the last shoe brake (11) and the following shoe brake (12).
3. mechanical type descending lifeline according to claim 1, it is characterized in that, described ratchet control device comprises and is located at the ratchet (17) on winch axle (3) the other end and is located at ratchet holder (18) on the lower bearing bracket (2), be connected with bearing pin (20) between described ratchet holder (18) and the ratchet (19) which is provided with, described ratchet (19) other end is located on the ratchet (17), be provided with pawl restoring spring (22) between fixed leg (21) that ratchet holder (18) is provided with and the ratchet (19), pedal connection cord (23) other end that ratchet (19) is provided with is provided with ratchet cut-out pedal (24).
4. mechanical type descending lifeline according to claim 1 is characterized in that, is provided with bearing between described winch axle (3) and the lower bearing bracket (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201078630U CN202061271U (en) | 2011-04-14 | 2011-04-14 | Mechanical descent control device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201078630U CN202061271U (en) | 2011-04-14 | 2011-04-14 | Mechanical descent control device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202061271U true CN202061271U (en) | 2011-12-07 |
Family
ID=45055154
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011201078630U Expired - Fee Related CN202061271U (en) | 2011-04-14 | 2011-04-14 | Mechanical descent control device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202061271U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109939373A (en) * | 2019-04-18 | 2019-06-28 | 黄日明 | A kind of high-building intelligent safe escape slide |
| CN110841255A (en) * | 2019-11-13 | 2020-02-28 | 台州椒江月回户外用品科技有限公司 | Climbing rescue is with lifesaving equipment |
-
2011
- 2011-04-14 CN CN2011201078630U patent/CN202061271U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109939373A (en) * | 2019-04-18 | 2019-06-28 | 黄日明 | A kind of high-building intelligent safe escape slide |
| CN109939373B (en) * | 2019-04-18 | 2024-02-13 | 黄日明 | Intelligent safety escape slide for high-rise building |
| CN110841255A (en) * | 2019-11-13 | 2020-02-28 | 台州椒江月回户外用品科技有限公司 | Climbing rescue is with lifesaving equipment |
| CN110841255B (en) * | 2019-11-13 | 2021-05-14 | 张官明 | Climbing rescue is with lifesaving equipment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20111207 Termination date: 20120414 |