CN201441758U - Safe building escape device - Google Patents
Safe building escape device Download PDFInfo
- Publication number
- CN201441758U CN201441758U CN2009200287148U CN200920028714U CN201441758U CN 201441758 U CN201441758 U CN 201441758U CN 2009200287148 U CN2009200287148 U CN 2009200287148U CN 200920028714 U CN200920028714 U CN 200920028714U CN 201441758 U CN201441758 U CN 201441758U
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- piston
- frame
- hydraulic cylinder
- throttling
- reel
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Abstract
The utility model discloses a safe building escape device which comprises a frame. A fixation device used for fixing on a building is arranged on the frame; a safety rope winding drum is mounted on the frame in a rotation manner through a winding drum shaft; a winding drum damping device is arranged at one end of the winding drum shaft through a transmission device; the winding drum damping device comprises a hydraulic cylinder fixedly mounted on the frame; two ends of the hydraulic cylinder are sealed and a piston is mounted therein; the piston is in dynamic connection with the transmission device and a throttling hole for allowing hydraulic oil in the hydraulic cylinder to flow through is formed on the piston; a throttling stem is fixedly mounted on the inner end surface of the hydraulic cylinder for changing the throttling cross section; and the throttling stem passing through the throttling hole has two thick ends and thin middle part. The entire falling process of the escape device obtains a speed low at the beginning and the end stages and high in the process with a smooth transition mode. The speed mode meets the requirement of safety and slow falling, and can effectively reduce the time length of falling and improve the escape efficiency.
Description
Technical field
The utility model relates to a kind of building escape apparatus.
Background technology
At present, along with increasing gradually of skyscraper, the building escape apparatus is as a kind of critical facility, more and more paid attention to by people and extensively adopts, and is used for urgent danger prevention when great situation such as earthquake, fire takes place.But existing multiple escape apparatus often comes with some shortcomings, exist operation and the difficult defective of control such as cornerite hand escape apparatus, when dangerous situation took place, it is flurried that people are taken place easily, be difficult to this class escape apparatus of proper operation this moment more, operate miss easily; Train control speed formula escape apparatus is difficult to guarantee constant coefficient of friction that decline is difficult to remain a constant speed; The shortcoming that intermittently existence of impact type escape apparatus is blocked easily, safety coefficient is not high.Adopt the escape apparatus of choke valve principle to solve the problem of the existence of above-mentioned several escape apparatus, has advantage easy and simple to handle, that decrease speed is constant, though but constant descending at a slow speed improved the security when personnel descend, but be unfavorable for shortening the total time of decline, be unfavorable for that many people relay uses same tool escape apparatus; Better decrease speed is that initial sum stops that speed is low, the speed of the gradual change of the fast slightly a kind of smooth transition of speed midway, when the design of such decrease speed had both guaranteed that the decline initial sum stops at a slow speed, safe requirement, can effectively shorten total time of decline again.
The utility model content
Technical problem to be solved in the utility model provide a kind of easy and simple to handle, safe and reliable, speed rationally, the secure buildings escape apparatus of raising the efficiency.
For solving the problems of the technologies described above, the technical solution of the utility model is: the secure buildings escape apparatus, comprise frame, described frame is provided with the fixture that is used for fixing on building, be rotatablely equipped with the safety rope reel by spool shaft on the described frame, one end of described spool shaft is provided with the reel damping unit by transmission device, described reel damping unit comprises the hydraulic cylinder that is fixedly mounted on the described frame, described hydraulic cylinder closed at both ends and inside are equipped with piston, described piston is connected with described transmission device power, described piston is provided with the throttle orifice that passes through for the hydraulic oil in the described hydraulic cylinder, be installed with on the described hydraulic cylinder inner face in order to change the throttling rod in throttling cross section, described throttling rod passes described throttle orifice, and the two ends of described throttling rod are thick, middle thin.
Described piston is provided with the check hole and the back-moving spring that makes described piston reset for the hydraulic oil one-way flow.
Described transmission device comprises the reel gear that is fixedly mounted on the described spool shaft, and the duplicate gear that meshes with described reel gear is installed on the described frame, is installed with the tooth bar with described duplicate gear engagement on the described piston.
Described fixture comprises the suspension ring that are fixedly mounted on the described frame, and described suspension ring are connected with the steel wire rope that two ends are provided with the anticreep hook.
Owing to adopted technique scheme, the space that cooperates between throttle orifice and the throttling rod forms the path that hydraulic oil flows, and in decline initial sum clearing end, throttle orifice is positioned at the end positions of throttling rod, space between the two is little, damping when hydraulic oil passes through is big, and the movement velocity of piston is just slow, is descending midway, throttle orifice is positioned at the thinnest middle section position of throttling rod, this moment between the two space maximum, hydraulic oil by the time the damping minimum, the movement velocity of piston is just fast.The speed of decline overall process is slowly the descend form of a kind of faster gradual change that seamlessly transits of speed midway of a kind of initial sum final position.This velocity form had both met safety, requirement at a slow speed, can effectively shorten the duration of decline again, had improved personnel escape's efficient, and the process of speed change do not need personnel manually to control fully, and was easy and simple to handle.
Description of drawings
Fig. 1 is the structural representation of the utility model secure buildings escape apparatus;
Fig. 2 is the right view of Fig. 1.
The specific embodiment
As depicted in figs. 1 and 2, the secure buildings escape apparatus, the secure buildings escape apparatus, comprise frame 2, frame 2 is provided with the fixture that is used for fixing on building, be rotatablely equipped with safety rope reel 6 by spool shaft 7 on the frame 2, one end of spool shaft 7 is provided with the reel damping unit by transmission device, the reel damping unit comprises the hydraulic cylinder 8 that is fixedly mounted on the frame 2, hydraulic cylinder 8 closed at both ends and inside are equipped with piston 10, piston 10 is connected with transmission device power, piston 10 is provided with the throttle orifice 12 that the hydraulic oil in the feed flow cylinder pressure 8 passes through, be installed with on hydraulic cylinder 8 inner faces in order to change the throttling rod 13 in throttling cross section, throttling rod 13 passes throttle orifice 12, and the two ends of throttling rod 13 are thick, middle thin.Piston 10 is provided with the check hole 11 and the back-moving spring 9 that makes piston reset for the hydraulic oil one-way flow.
Transmission device comprises the reel gear 5 that is fixedly mounted on the spool shaft 7, and the duplicate gear 4 that meshes with reel gear 5 is installed on the frame 2, is installed with the tooth bar 3 with duplicate gear 4 engagements on the piston 10.Fixture comprises the suspension ring 1 that are fixedly mounted on the frame 2, and suspension ring 1 are connected with the steel wire rope that two ends are provided with the anticreep hook.
During actual the use, the end that two ends are had a steel wire rope of anticreep hook catches on the lifting suspension ring on the frame, the anticreep of other end hook catches on structures such as the anticreep hook that is provided with in the building or hole, also can be on the such structure of steam heating pipe or window frame with steel wire rope, the anticreep hook with the other end catches on the lifting suspension ring then; Subsequently safety belt is enclosed between waist, and carries to the oxter, anticreep hook or link that safety belt is provided with firmly link to each other with link or the anticreep hook that sliding rope movable end is provided with, and allow secure buildings escape apparatus place in place, make things convenient for roller to discharge sliding rope lower slide; Personnel break away from building and begin to glide, under the effect of human body gravity, safety rope drives the safety rope reel and rotates, make the piston of hydraulic cylinder carry out rectilinear motion through transmission device, under the damping action of hydraulic oil, piston slowly moves, and in decline initial sum clearing end, throttle orifice is positioned at the end positions of throttling rod, space between the two is little, damping when hydraulic oil passes through is big, and the movement velocity of piston is just slow, is descending midway, throttle orifice is positioned at the thinnest middle section position of throttling rod, this moment between the two space maximum, hydraulic oil by the time the damping minimum, the movement velocity of piston is just fast.The speed of decline overall process is slowly the descend form of a kind of faster gradual change that seamlessly transits of speed midway of a kind of initial sum final position.At last, personal security drops to ground, realizes hedging.
In whole decline process, the check hole on the piston is closed, and hydraulic oil is not by the check hole and only pass through throttle orifice; After safety rope was released, piston slided to initiating terminal under the effect of back-moving spring gradually, and the check hole on the piston is in opening state, and the flow of hydraulic oil strengthens, and helped shortening the time of piston reset.Under the drive of piston, transmission device drives the rotation of safety rope reel and safety rope is wrapped on the safety rope reel again, has finished homing action.
More than be the application's a specific embodiment, should be understood that these embodiment only be used to the invention is described and be not used in the restriction the invention scope.Should be understood that in addition those skilled in the art can make various changes or modifications the invention after the content of having read the invention instruction, these equivalent form of values fall within the application's appended claims institute restricted portion equally.
Claims (4)
1. secure buildings escape apparatus, comprise frame, described frame is provided with the fixture that is used for fixing on building, be rotatablely equipped with the safety rope reel by spool shaft on the described frame, one end of described spool shaft is provided with the reel damping unit by transmission device, it is characterized in that: described reel damping unit comprises the hydraulic cylinder that is fixedly mounted on the described frame, described hydraulic cylinder closed at both ends and inside are equipped with piston, described piston is connected with described transmission device power, described piston is provided with the throttle orifice that passes through for the hydraulic oil in the described hydraulic cylinder, be installed with on the described hydraulic cylinder inner face in order to change the throttling rod in throttling cross section, described throttling rod passes described throttle orifice, and the two ends of described throttling rod are thick, middle thin.
2. secure buildings escape apparatus as claimed in claim 1 is characterized in that: described piston is provided with the check hole and the back-moving spring that makes described piston reset for the hydraulic oil one-way flow.
3. secure buildings escape apparatus as claimed in claim 1, it is characterized in that: described transmission device comprises the reel gear that is fixedly mounted on the described spool shaft, the duplicate gear that meshes with described reel gear is installed on the described frame, is installed with tooth bar on the described piston with described duplicate gear engagement.
4. secure buildings escape apparatus as claimed in claim 1 is characterized in that: described fixture comprises the suspension ring that are fixedly mounted on the described frame, and described suspension ring are connected with the steel wire rope that two ends are provided with the anticreep hook.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200287148U CN201441758U (en) | 2009-06-26 | 2009-06-26 | Safe building escape device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200287148U CN201441758U (en) | 2009-06-26 | 2009-06-26 | Safe building escape device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201441758U true CN201441758U (en) | 2010-04-28 |
Family
ID=42546437
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009200287148U Expired - Fee Related CN201441758U (en) | 2009-06-26 | 2009-06-26 | Safe building escape device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201441758U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103394169A (en) * | 2013-07-12 | 2013-11-20 | 中北大学 | Hydraulically-controlled fast escape device |
-
2009
- 2009-06-26 CN CN2009200287148U patent/CN201441758U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103394169A (en) * | 2013-07-12 | 2013-11-20 | 中北大学 | Hydraulically-controlled fast escape device |
| CN103394169B (en) * | 2013-07-12 | 2016-01-20 | 中北大学 | A kind of Hydraulically-controfast fast escape device |
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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: 20100428 Termination date: 20130626 |