CN201719714U - Hydraulic-control descent control device - Google Patents
Hydraulic-control descent control device Download PDFInfo
- Publication number
- CN201719714U CN201719714U CN2010202662121U CN201020266212U CN201719714U CN 201719714 U CN201719714 U CN 201719714U CN 2010202662121 U CN2010202662121 U CN 2010202662121U CN 201020266212 U CN201020266212 U CN 201020266212U CN 201719714 U CN201719714 U CN 201719714U
- Authority
- CN
- China
- Prior art keywords
- rope roll
- control
- leading screw
- liquid damping
- damping device
- 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 hydraulic-control descent control device, which comprises a rope roll and a speed controlling mechanism; the speed controlling mechanism for controlling the rotational speed of the rope roll is mounted in the rope roll; the speed controlling mechanism comprises a lead screw and a liquid damping device, wherein one end of the lead screw is fixed on the rope roll and the liquid damping device is used for controlling the rotational speed of the lead screw; and the lead screw is connected with the liquid damping device. The hydraulic-control descent control device has the advantages of strong safety and reliability, small volume and light weight, realizes the purpose of descent control by virtue of the external moment balanced by a liquid damping force, can be extremely conveniently developed to be a descent control device with the similar purpose by adopting the liquid throttling control technology, can be used for handling the emergency for armed policemen for public security, and also can be used for the operation workers on the walls of the buildings.
Description
Technical field
The utility model relates to a kind of slow descending device, what be specifically related to is a kind of hydraulic control descending lifeline, belongs to field of mechanical technique.
Background technology
Lifesaving descent control device is the equipment that emergency evacuation people and valuables are used when emergency case such as breaking out of fire, terrorist incident.Can drop to ground safely and smoothly from high-rise within a short period of time by lifesaving descent control device, reach the protection life security, reduce the purpose of property loss.Such equipment is widely used in hotel, office building, school, public place of entertainment and residence, house etc., so reliability requirement is very high.Because development time is shorter, the research and development of descending lifeline also there is not the complete design system of a cover.There are a lot of weak points in descending lifeline in the market, for example: be to adopt tribology principle and unreliable, complex structure, the operation inconvenience of the performance that causes, the crowd that is suitable for are limited, be not difficult to through the personnel of specialized training that correct use, most of descending lifeline need escape personnel's two hands to operate, are difficult for handling accident, cost an arm and a leg, speed is wayward, problem such as easily get rusty.
The utility model content
At the deficiency that exists on the prior art, the utility model purpose is to be to provide that a kind of security reliability is strong, volume is little, lightweight descending lifeline, and it is to rely on the outside moment of fluid damping dynamic balance to realize the slow hydraulic control descending lifeline that falls.
To achieve these goals, the utility model is to realize by the following technical solutions:
A kind of hydraulic control descending lifeline comprises rope roll and the fast mechanism of control, and the control speed mechanism of control rope roll rotating speed is installed in the rope roll, controls fast mechanism and comprises that an end is fixed on the leading screw and the liquid damping device of controlling the leading screw rotating speed on the rope roll, and leading screw is connected with liquid damping device.Control fast mechanism and be loaded on rope roll inside, the structure that seems is quite compact, makes leading screw and liquid damping device be difficult for getting rusty simultaneously, and maintenance and resting period are long and in light weight, and its external form is very simple.
One end of above-mentioned rope roll also is equipped with the wiring handle, can be speed and convenience with on the downhill race rope wraparound rope roll, make things convenient for the next one to wait to fall personnel's use.
Above-mentioned liquid damping device comprises two rod oil cylinders and is fixed on the nut of two rod oil cylinder one ends, nut is connected with leading screw by screw thread, two rod oil cylinders comprise cylinder body, be arranged on the piston in the cylinder body and run through the cantilever beam of piston, and check valve and choke valve are set on piston.Adopt the two chambeies pattern in parallel of two rod oil cylinders,, be easy to realize to the cylinder block movement velocity the i.e. control of personnel's decrease speed by restriction to liquid stream flow with check valve.
One end of above-mentioned cantilever beam is provided with cavity, is provided with bearing in the cavity, and the other end of leading screw places on the bearing, and the other end of cantilever beam is provided with on the fixed frame, and fixed frame is fixedlyed connected with cantilever beam.One end of leading screw is placed the bearing of cantilever beam, can reduce the amount of deflection of leading screw in rotation process, thereby reduce the diastrophic possibility of leading screw.
The utility model adopts the two chambeies pattern in parallel with check valve of two rod oil cylinders, by restriction, is easy to realize to the cylinder block movement velocity to liquid stream flow, i.e. and the control of personnel's decrease speed, and entire work process is safe and reliable; Control fast mechanism and be loaded on rope roll inside, the structure that seems is quite compact, and in light weight, and its external form is very simple; The user need not specialized training, and when urgent, men and women, old and young can use this liquid to fall descending lifeline and escape smoothly; Be a kind of superior performance, cheap, the extremely easy self-service escape of operation is slow falls equipment, its slow reduction of speed degree can be regulated voluntarily according to human weight; Structure is light and handy, is convenient to keeping, and main element is difficult for getting rusty, and maintenance and resting period are long; Owing to adopt fluid throttling control technology, can be developed to the slow descending device of similar applications quite easily, can be used for public security People's Armed Police personnel and deal with contingencies, descend by eminence and enter the room, also can be used for the personnel's operation etc. on the building walls.
Description of drawings
Describe the utility model in detail below in conjunction with the drawings and specific embodiments;
Fig. 1 is a structural representation of the present utility model.
The specific embodiment
For technological means, creation characteristic that the utility model is realized, reach purpose and effect is easy to understand, below in conjunction with the specific embodiment, further set forth the utility model.
As shown in Figure 1, the utility model comprises rope roll 4 and the fast mechanism of control, controls fast mechanism and is installed in rope roll 4 inside; be wound with the downhill race rope in the outside of rope roll 4, the downhill race rope adopts high-quality flexible steel cable inner core, and outer protective layer is formed; characteristics such as have the tensile strength height, security performance is good, and is soft comfortable.Control fast mechanism and comprise leading screw 2 and the liquid damping device that is connected with leading screw 2, the left end of leading screw 2 is connected with rope roll 4, thereby has realized that leading screw 2 also rotates according to the direction that rope roll 4 rotates when rope roll 4 rotates.Left end at rope roll 4 has been screwed wiring handle 1.
Liquid damping device comprises two rod oil cylinders 5 and is fixed by bolts to the nut 3 of two rod oil cylinder 5 left ends that nut 3 is connected with leading screw 2 by screw thread.Two rod oil cylinders 5 comprise cylinder body, left chamber 10, right chamber 13, piston 12 and run through the cantilever beam 11 of piston 12, left end at cantilever beam 11 is provided with a cavity 9, cavity built-in bearing 8, the right-hand member of leading screw 2 is put on bearing block, and the right-hand member of cantilever beam 11 is installed on the fixed frame 14.Check valve 6 and choke valve 7 are installed on piston 12.Check valve 6 and choke valve 7 have included two hydraulic fluid ports, and left oil port is connected with left chamber 10, and right oil port is connected with right chamber 13.
During use, by fixed frame 14 the utility model is installed in window etc. and is convenient to people's escape place.The user ties up to the downhill race rope between waist, because people's gravity, downhill race rope rope is subjected to a downward pulling force, this pulling force makes rope roll 4 roll, because the left end of leading screw 2 is connected with the left end of rope roll 4, drives leading screw 2 rotations so rope roll 4 rolls, because nut 3 fuses with cylinder body, nut 3 does not rotate, thus when leading screw 2 clockwise rotates, nut 3 just drive cylinder body along horizontal direction to left movement.Along with cylinder body to left movement, make the volume in right chamber 13 pressure that diminishes become big, the volume in left chamber 10 becomes big pressure and diminishes.Because two hydraulic fluid ports about being equipped with on the choke valve 7, left oil port is connected with left chamber 10, right oil port is connected with right chamber 13, the pressure differential of bringing to left movement along with cylinder body, make fluid flow to the left oil port in left chamber 10 from the right oil port in right chamber 13, this moment, the fluid in right chamber can not flow to left chamber by check valve, because throttling action, the fluid in right chamber produces one and hinders the resistance that cylinder body moves to left, and the size of this resistance depends on the size of choke valve 7 flow areas and the pressure differential in left chamber 10 and right chamber 13.Because cylinder body and nut fuse, so this resistance equally also just is applied on the nut 3, hinder moving to left of nut 3, thereby changed the rotational resistance of leading screw 2, make that the rotary speed of leading screw 2 is slack-off, the rotary speed of rope roll 4 that slowed down simultaneously, thus make escape personnel arrive safe and sound ground or a certain height and position.Because the difference of people's body weight, so slide cartridge discharges the speed difference of downhill race rope, slow reduction of speed degree can be regulated voluntarily according to human weight.
When needs are escaped successively, after people in front arrives ground, above people to be used can be by wiring handle 1 with on downhill race rope wraparound rope roll 4 again.In this process, by the effect of leading screw 2 and nut 3, make cylinder body under the effect of nut 3, along continuous straight runs moves right, owing on the piston 12 check valve 6 is installed, so at short notice, fluid can promptly flow back to the right chamber 13 from left chamber 10.Wiring handle 1 is installed on the left end of rope roll 4, not only can the more important thing is the speed of unrolling that has improved the downhill race rope, won the time for escaping successively very easily with on the downhill race rope wraparound rope roll 4.
More than show and described basic principle of the present utility model and principal character and advantage of the present utility model.The technical staff of the industry should understand; the utility model is not restricted to the described embodiments; that describes in the foregoing description and the specification just illustrates principle of the present utility model; under the prerequisite that does not break away from the utility model spirit and scope; the utility model also has various changes and modifications, and these changes and improvements all fall in claimed the utility model scope.The claimed scope of the utility model is defined by appending claims and equivalent thereof.
Claims (4)
1. hydraulic control descending lifeline, it is characterized in that, comprise rope roll (4) and the fast mechanism of control, the control speed mechanism of control rope roll (4) rotating speed is installed in the described rope roll (4), the fast mechanism of described control comprises that an end is fixed on the leading screw (2) on the rope roll (4) and the liquid damping device of control leading screw (2) rotating speed, and described leading screw (2) is connected with liquid damping device.
2. according to the described hydraulic control descending lifeline in the claim 1, it is characterized in that, wiring handle (1) also is installed at an end of described rope roll (4).
3. hydraulic control descending lifeline according to claim 1 and 2, it is characterized in that, described liquid damping device comprises two rod oil cylinders (5) and is fixed on the nut (3) of two rod oil cylinder (5) one ends, described nut (3) is connected with leading screw (2) by screw thread, described pair of rod oil cylinder (5) comprise cylinder body, be arranged on the piston (12) in the cylinder body and run through the cantilever beam (11) of piston (12), and check valve (6) and choke valve (7) are set on described piston (12).
4. hydraulic control descending lifeline according to claim 3, it is characterized in that, one end of described cantilever beam (11) is provided with cavity (9), be provided with bearing (8) in the described cavity, the other end of described leading screw (2) places on the described bearing (8), the other end of described cantilever beam (11) is provided with fixed frame (14), and described fixed frame (14) is fixedlyed connected with described cantilever beam (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202662121U CN201719714U (en) | 2010-07-21 | 2010-07-21 | Hydraulic-control descent control device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202662121U CN201719714U (en) | 2010-07-21 | 2010-07-21 | Hydraulic-control descent control device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201719714U true CN201719714U (en) | 2011-01-26 |
Family
ID=43487987
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010202662121U Expired - Fee Related CN201719714U (en) | 2010-07-21 | 2010-07-21 | Hydraulic-control descent control device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201719714U (en) |
-
2010
- 2010-07-21 CN CN2010202662121U patent/CN201719714U/en not_active Expired - Fee Related
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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: 20110126 Termination date: 20110721 |