CN102743827A - Hydraulic descent control device - Google Patents
Hydraulic descent control device Download PDFInfo
- Publication number
- CN102743827A CN102743827A CN2012102446959A CN201210244695A CN102743827A CN 102743827 A CN102743827 A CN 102743827A CN 2012102446959 A CN2012102446959 A CN 2012102446959A CN 201210244695 A CN201210244695 A CN 201210244695A CN 102743827 A CN102743827 A CN 102743827A
- Authority
- CN
- China
- Prior art keywords
- valve group
- hydraulic
- hydraulic pump
- support shaft
- valve
- 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.)
- Granted
Links
Images
Landscapes
- Shearing Machines (AREA)
- Emergency Lowering Means (AREA)
Abstract
The invention discloses a hydraulic descent control device which mainly comprises a one-way throttle valve bank, a hydraulic pump (or a hydraulic motor) and a reel component. The one-way throttle valve bank is fixedly mounted on the hydraulic pump, an upper oil port of the one-way throttle valve bank is communicated with an upper oil port of the hydraulic pump, and a lower oil port of the one-way throttle valve bank is communicated with a lower oil port of the hydraulic pump. A mounting flange of the hydraulic pump is connected with a reel frame of the reel component through a screw, an output shaft of the hydraulic pump is connected with one end of a reel through a key, and the other end of the reel is connected with a support shaft through a key. The reel frame can be connected with a fixing body through an upper fixing rope and a lug on the upper portion of the reel frame, and a rope on the reel is connected with a human body through a human body connecting rope at the lower end of the reel. The hydraulic descent control device can be used for realizing high-altitude stability and safe descent of a human body, particularly can play a great role in personnel rescue of high-rise buildings, and has a wide application prospect if serving as a fire fighting instrument.
Description
Technical field
The present invention relates to a kind of hydraulic slow drop device, especially a kind of hydraulic slow drop device that utilizes hydraulic pump, one-way throttle valve group, reel assembly to form.
Background technology
At present; Office tower and residential building contour level are built ubiquity, when emergencies such as breaking out of fire, earthquake, need to adopt rational personnel to save oneself and rescue mode; The general rescue mode that adopts now is to withdraw through the rescue passage; Perhaps use fire fighting truck fire extinguishing and rescue etc., nonetheless, personnel's injures and deaths incident still often takes place in the above emergency of generation; The processing and the personnel that strengthen emergency save oneself, and can reduce even avoid great casualties incident greatly.If skyscraper can dispose certain personnel equipment of saving oneself,, can select more escape method to save oneself in that emergency takes place.Such as, adopt descending lifeline from the window escape etc.The use of existing descending lifeline needs stronger professional technique, and decrease speed needs oneself to regulate and control, need can correctly use through a large amount of trainings, grasps the slow technology of falling for ordinary person's short time and has certain difficulty.So it is stable to invent a kind of slow reduction of speed degree, descending lifeline simple to operate as the equipment of saving oneself of skyscraper when emergency takes place, has very important significance.
Summary of the invention
The object of the present invention is to provide simple, the speed stable hydraulic slow drop device of a kind of use, as the save oneself equipment of skyscraper when emergency takes place.
In order to achieve the above object, the technical scheme of the present invention's employing is:
A kind of hydraulic slow drop device comprises one-way throttle valve group (1), hydraulic pump (2) and reel assembly (3);
Said one-way throttle valve group (1) comprises valve body (1-14), nonreturn valve core (1-5), spring (1-10) and plug (1-12); Offer hydraulic fluid port (1-13) under hydraulic fluid port on the valve group (1-1), valve group upper oil cavitie (1-2), the upper and lower communication channel of valve group (1-3), valve group lower oil cavitie (1-8), plug chamber (1-9) and the valve group in the said valve body (1-14); Form unidirectional valve seat (1-4) between upper and lower communication channel of said valve group (1-3) and the valve group lower oil cavitie (1-8); Offer logical oil groove-unidirectional valve seat throttling channel (1-6) on the circumference of said unidirectional valve seat (1-4), the top of said unidirectional valve seat throttling channel (1-6) is connected through hydraulic fluid port (1-1) on the upper and lower communication channel of valve group (1-3), valve group upper oil cavitie (1-2) and the valve group; The bottom of said unidirectional valve seat throttling channel (1-6) is connected through hydraulic fluid port (1-13) under valve group lower oil cavitie (1-8) and the valve group; Said nonreturn valve core (1-5) is installed in the valve group lower oil cavitie (1-8) in the valve body (1-14); Plug (1-12) is threaded with valve body (1-14) through sealing gasket;
Said one-way throttle valve group (1) is installed on the hydraulic pump (2); Hydraulic fluid port (1-1) is connected with the last hydraulic fluid port (2-1) of hydraulic pump (2) on the valve group of said one-way throttle valve group (1), and hydraulic fluid port (1-13) is connected with the following hydraulic fluid port (2-2) of hydraulic pump (2) under the valve group of said one-way throttle valve group (1);
The cutter wheel assembly (3), including cutter wheel frame (3-4), twisted round (3-5), the support shaft (3-9), ropes (3-12), the cutter wheel frame (3-4 ) is disposed above the ear seat (3-2), said ear seat (3-2) is provided with a bore ear (3-3), said ear bore (3-3) is provided with fixed ropes ( 3-1) with cutter wheel frame (3-4) connected to the fixed ropes (3-1) can be connected to the other end of the house or other fixed body; said cutter wheel frame (3-4) in the left the left side is provided with a shaft hole (3-14), said hydraulic pump (2) by pump mounting flange (2-3) with a pump mounting screws (2-4) mounted on the cutter wheel frame (3-4) The left side of the hydraulic pump (2) of the hydraulic pump shaft (2-5) shaft hole extends from the left, and by the hydraulic pump connection key (2-6) and the cutter wheel (3-5) of the center hole is connected to the left keyway; said cutter wheel frame (3-4) is set on the right axis of the support shaft hole (3-9), in the left portion by a support shaft connection key (3-6) and the cutter wheel (3 -5) the right of the center hole is connected keyway; said support shaft (3-9) cover the right side of the support shaft (3-7), said support shaft assembly (3-7) by means of screws (3 -8) mounted on the cutter wheel frame (3-4) to the right, the support shaft (3-9) can be twisted with the wheel (3-5), the hydraulic pump output shaft (2-5) relative to the cutter implement wheel frame (3-4) and the support shaft assembly (3-7) of rotation; said supporting shaft (3-9) of the right end of the support shaft is provided with an internal bore (3-11), said support shaft bore (3-11) is provided with a support shaft keyway (3-10), said support shaft keyway (3-10) can handle to communicate with external support shaft keyway (3-10) connection; said sheave (3-5) wound on rope (3-12), said rope (3-12) connected to the lower end of the rope body (3-13) can be connected to the body through the cutter wheel (3-5) of rotation to achieve slow down the body and ropes away.
Above-mentioned hydraulic pump (2) can be a hydraulic motor.
The step that the conical surface end of above-mentioned nonreturn valve core (1-5) and the upper and lower communication channel of valve group (1-3) and valve group lower oil cavitie (1-8) form offsets.
The other end of above-mentioned nonreturn valve core (1-5) offers spring base hole (1-7), and be placed in spring (1-10) offset.
Offer spring cavity (1-11) on the above-mentioned plug (1-12), the lower end of spring (1-10) is placed in the spring cavity (1-11), and offsets with plug (1-12).
The hydraulic pump output shaft (2-5) of above-mentioned hydraulic pump 2 can be connected with the centre bore of reel (3-5) through modes such as flat key, spline, axle sleeve tight fits.
The effect that the present invention is compared with prior art useful is:
The hydraulic slow drop device that uses the present invention to propose, can realize the human body high-altitude steadily, safety is slow falls, and especially in personnel's rescue of skyscraper, can play very big effect, if as fire-fighting equipment, it is with a wide range of applications.
Description of drawings
The embodiment that provides below in conjunction with accompanying drawing does explanation in further detail to the present invention.
Fig. 1 is a hydraulic slow drop device structure chart;
Fig. 2 is the enlarged diagram of A among Fig. 1.
The specific embodiment
Like Fig. 1, shown in Figure 2, a kind of hydraulic slow drop device comprises one-way throttle valve group 1, hydraulic pump 2 and reel assembly 3;
Said one-way throttle valve group 1 comprises valve body 1-14, nonreturn valve core 1-5, spring 1-10 and plug 1-12; Offer hydraulic fluid port 1-13 under hydraulic fluid port 1-1 on the valve group, valve group upper oil cavitie 1-2, the upper and lower communication channel 1-3 of valve group, valve group lower oil cavitie 1-8, plug chamber 1-9 and the valve group in the said valve body 1-14; Form unidirectional valve seat 1-4 between upper and lower communication channel 1-3 of said valve group and the valve group lower oil cavitie 1-8; Offer logical oil groove-unidirectional valve seat throttling channel 1-6 on the circumference of said unidirectional valve seat 1-4, the top of said unidirectional valve seat throttling channel 1-6 is connected through hydraulic fluid port 1-1 on the upper and lower communication channel 1-3 of valve group, valve group upper oil cavitie 1-2 and the valve group; The bottom of said unidirectional valve seat throttling channel 1-6 is connected through hydraulic fluid port 1-13 under valve group lower oil cavitie 1-8 and the valve group; Said nonreturn valve core 1-5 is installed among the valve group lower oil cavitie 1-8 in the valve body 1-14; Plug 1-12 is threaded with valve body 1-14 through sealing gasket;
Said one-way throttle valve group 1 is installed on the hydraulic pump 2, and hydraulic fluid port 1-1 is connected with the last hydraulic fluid port 2-1 of hydraulic pump 2 on the valve group of said one-way throttle valve group 1, and hydraulic fluid port 1-13 is connected with the following hydraulic fluid port 2-2 of hydraulic pump 2 under the valve group of said one-way throttle valve group 1;
The cutter wheel assembly 3 comprises a cutter wheel frame 3-4, 3-5 sheave, the support shaft 3-9, 3-12 rope, said sheave is disposed above the frame 3-4 3-2 ear seat, the Block 3-2 above ear ear bore is provided with a 3-3, 3-3 bore the ear is set on fixed ropes 3-1 3-4 Connecting with cutter wheel carrier, said on fixed ropes 3-1 can be connected to the other end of the house or other fixed body; said cutter wheel frame to the left to open a 3-4 hole 3-14 left axis, the hydraulic pump 2 through hydraulic pump hydraulic pump mounting flange 2-3 Installation Screw 2-4 3-4 mounted on the left side cutter wheel frame, the output of the hydraulic pump 2, a shaft hole extends from the left shaft 2-5, 2-6 and by the hydraulic pump and the connection key sheave 3 - The center hole 5 is connected to the left side of keyway; said frame 3-4 sheave shaft hole is set to the right support shaft 3-9, in the left portion by a support shaft keys 3-6 and 3-5 of the sheave center hole is connected to the right keyway; said support shaft 3-9 cover the right side of the supporting shaft 3-7, 3-7 of the support shaft assembly by a screw mounted on the cutter wheel frame 3-8 3-4 right, with said support shaft can be twisted round 3-9 3-5 2-5 pump to achieve the output shaft relative to the cutter wheel frame 3-4 and 3-7 of the rotation of the support shaft assembly; said support shaft 3-9 is provided with the right end of the support shaft inside the hole 3-11, 3-11 said support shaft is provided with a bore within the support shaft keyway 3-10, 3-10 said support shaft keyway external handle can be 3-10 with the support shaft keyway connection; said sheave rope wound around 3-5 3-12, the lower end of the body of the rope connecting the rope 3-12 3-13 can be connected to the body through the sheave 3 - 5 rotates to achieve the body and slow down the rope away.
Above-mentioned hydraulic pump 2 can be a hydraulic motor.
The step that upper and lower communication channel 1-3 of the conical surface end of above-mentioned nonreturn valve core 1-5 and valve group and valve group lower oil cavitie 1-8 form offsets.
The other end of above-mentioned nonreturn valve core 1-5 offers spring base hole 1-7, and be placed in spring 1-10 offset.
Offer spring cavity 1-11 on the above-mentioned plug 1-12, the lower end of spring 1-10 is placed in the spring cavity 1-11, and offsets with plug 1-12.
The hydraulic pump output shaft 2-5 of above-mentioned hydraulic pump 2 can be connected with the centre bore of reel 3-5 through modes such as flat key, spline, axle sleeve tight fits.
When personnel need delay when falling; The hydraulic slow drop device can reach upward, and stationary rope 3-1 is connected with fixed body (like desk, bed and other body of wall secure fixation bodies) through the ear seat 3-2 of its top; Slow fall personnel and reliably be connected with human body with the human body connecting rope 3-13 of the rope 3-12 lower end on the reel 3-5; Or reliably be connected with rescue braces on being worn in human body, human body climbs out of from window, balcony etc., can realize steadily, safety is slow falls.When the hydraulic slow drop device is slow when falling, human weight acts on the rope 3-12 of hydraulic slow drop device, on reel 3-5, produces corresponding turning moment, and this moment is connected with key 2-6 on the hydraulic pump output shaft 2-5 through reel 3-5, passes to hydraulic pump output shaft 2-5.The inside of the inside of hydraulic pump 2 and one-way throttle valve group 1 is full of fluid in advance, and when the hydraulic slow drop device is slow when falling, the hydraulic fluid port 2-2 under the hydraulic pump of the fluid in the hydraulic pump 2 flows out, and flows back to from the last hydraulic fluid port 2-1 of hydraulic pump.If directly being connected of hydraulic pump 2 into and out of hydraulic fluid port; Be the fluid of hydraulic pump 2 after hydraulic fluid port 2-2 flows out under the hydraulic pump directly from the hydraulic pump hydraulic fluid port 2-1 flow back to; This moment, hydraulic pump output shaft 2-5 can't produce the turning moment that opposing torque balance human body gravity produces on reel 3-5; The output shaft 2-5 of reel 3-5 and hydraulic pump can quicken rotation, causes human body to drop fast, sends personnel casualty accidents.So, in the present invention, having used one-way throttle valve group 1, the assurance human body is steadily, safety is slow falls.When the hydraulic slow drop device is slow when falling, human weight acts on the rope 3-12 of hydraulic slow drop device, on reel 3-5, produces corresponding turning moment, and this moment is connected with the key 2-6 of hydraulic pump 2 through reel 3-5, passes to the output shaft 2-5 of hydraulic pump 2.The inside of the inside of hydraulic pump 2 and one-way throttle valve group 1 is full of fluid in advance; When the hydraulic slow drop device is slow when falling; The inner fluid of hydraulic pump 2 hydraulic fluid port 2-2 under the hydraulic pump flows out; And, flow back to hydraulic pump 2 through hydraulic fluid port 2-1 on hydraulic fluid port 1-1, the hydraulic pump on hydraulic fluid port 1-13, valve group lower oil cavitie 1-8, unidirectional valve seat throttling channel 1-6, the upper and lower chamber of valve group interface channel 1-3, valve group upper oil cavitie 1-2, the valve group under the valve group.When fluid is flowed through unidirectional valve seat throttling channel 1-6; Because the damping action of unidirectional valve seat throttling channel 1-6; Unidirectional valve seat throttling channel 1-6 forms pressure differential into and out of meeting between the hydraulic fluid port; This pressure differential acts in the hydraulic pump 2 through the following hydraulic fluid port 2-2 and the last hydraulic fluid port 2-1 of hydraulic pump, makes hydraulic pump output shaft 2-5 in rotation, form certain opposing torque, the turning moment that balance human body gravity produces on reel 3-5.And; There is certain relation in the flow of the fluid that passes through into and out of the pressure differential that forms between the hydraulic fluid port and unidirectional valve seat throttling channel 1-6 of unidirectional valve seat throttling channel 1-6; That is to say that hydraulic pump output shaft 2-5 goes up the opposing torque of formation and there is certain relation in the rotating speed of hydraulic pump output shaft 2-5, the opposing torque that human body gravity forms on turning moment that produces on the reel 3-5 and hydraulic pump output shaft 2-5 is a balance; The rotating speed of reel 3-5 is consistent with the rotating speed of hydraulic pump output shaft 2-5; So the personnel's of certain body weight slow reduction of speed degree is certain, as long as unidirectional valve seat throttling channel 1-6 is reasonable in design; Just can be controlled at the personnel's of different weight slow reduction of speed degree in the reasonable range, guarantee slow steady, the safe land of personnel of falling.
Utilize being connected of external handle and back shaft internal keyway 3-10, and fall direction rotation in the opposite direction with slow with driving back shaft 3-9 such as manual mode, also reverse rotation thereupon of reel 3-5, the rope of hydraulic slow drop device can progressively be packed up.When reel 3-5 reverse rotation; Also reverse rotation of hydraulic pump output shaft 2-5, the inner fluid of hydraulic pump 2 hydraulic fluid port 2-1 from the hydraulic pump flows out, through oil-in 1-1, valve group upper oil cavitie 1-2, the upper and lower communication channel 1-3 of valve group on the valve group; Overcome the active force of spring 1-10 to nonreturn valve core 1-5; Push away unidirectional valve seat 1-4 to nonreturn valve core 1-5, fluid through hydraulic fluid port 2-2 under hydraulic fluid port 1-13, the hydraulic pump under valve group lower oil cavitie 1-8, the valve group, flows back to hydraulic pump 2 again.Because flowing through, fluid can not produce bigger pressure differential during check valve etc., simultaneously, during backward rotation, the loading moment that has not existed human body gravity pair twist wheel 3-5 to produce, so, when packing up hydraulic slow drop device rope 3-12, can compare easily.
The above; Only being preferred embodiment of the present invention, is not that the present invention is done any pro forma restriction, though the present invention discloses as above with preferred embodiment; Yet be not in order to limit the present invention; Anyly be familiar with the professional and technical personnel, in not breaking away from technical scheme scope of the present invention, when the technology contents of above-mentioned announcement capable of using is made a little change or is modified to the equivalent embodiment of equivalent variations.In every case be the content that does not break away from technical scheme of the present invention, to any simple modification, equivalent variations and modification that above embodiment did, all still belong in the scope of technical scheme of the present invention according to technical spirit of the present invention.
Claims (6)
1. a hydraulic slow drop device is characterized in that: comprise one-way throttle valve group (1), hydraulic pump (2) and reel assembly (3);
Said one-way throttle valve group (1) comprises valve body (1-14), nonreturn valve core (1-5), spring (1-10) and plug (1-12); Offer hydraulic fluid port (1-13) under hydraulic fluid port on the valve group (1-1), valve group upper oil cavitie (1-2), the upper and lower communication channel of valve group (1-3), valve group lower oil cavitie (1-8), plug chamber (1-9) and the valve group in the said valve body (1-14); Form unidirectional valve seat (1-4) between upper and lower communication channel of said valve group (1-3) and the valve group lower oil cavitie (1-8); Offer logical oil groove-unidirectional valve seat throttling channel (1-6) on the circumference of said unidirectional valve seat (1-4), the top of said unidirectional valve seat throttling channel (1-6) is connected through hydraulic fluid port (1-1) on the upper and lower communication channel of valve group (1-3), valve group upper oil cavitie (1-2) and the valve group; The bottom of said unidirectional valve seat throttling channel (1-6) is connected through hydraulic fluid port (1-13) under valve group lower oil cavitie (1-8) and the valve group; Said nonreturn valve core (1-5) is installed in the valve group lower oil cavitie (1-8) in the valve body (1-14); Plug (1-12) is threaded with valve body (1-14) through sealing gasket;
Said one-way throttle valve group (1) is installed on the hydraulic pump (2); Hydraulic fluid port (1-1) is connected with the last hydraulic fluid port (2-1) of hydraulic pump (2) on the valve group of said one-way throttle valve group (1), and hydraulic fluid port (1-13) is connected with the following hydraulic fluid port (2-2) of hydraulic pump (2) under the valve group of said one-way throttle valve group (1);
The cutter wheel assembly (3), including cutter wheel frame (3-4), twisted round (3-5), the support shaft (3-9), ropes (3-12), the cutter wheel frame (3-4 ) is disposed above the ear seat (3-2), said ear seat (3-2) is provided with a bore ear (3-3), said ear bore (3-3) is provided with fixed ropes ( 3-1) with cutter wheel frame (3-4) connected to the fixed ropes (3-1) can be connected to the other end of the house or other fixed body; said cutter wheel frame (3-4) in the left the left side is provided with a shaft hole (3-14), said hydraulic pump (2) by pump mounting flange (2-3) with a pump mounting screws (2-4) mounted on the cutter wheel frame (3-4) The left side of the hydraulic pump (2) of the hydraulic pump shaft (2-5) shaft hole extends from the left, and by the hydraulic pump connection key (2-6) and the cutter wheel (3-5) of the center hole is connected to the left keyway; said cutter wheel frame (3-4) is set on the right axis of the support shaft hole (3-9), in the left portion by a support shaft connection key (3-6) and the cutter wheel (3 -5) the right of the center hole is connected keyway; said support shaft (3-9) cover the right side of the support shaft (3-7), said support shaft assembly (3-7) by means of screws (3 -8) mounted on the cutter wheel frame (3-4) to the right, the support shaft (3-9) can be twisted with the wheel (3-5), the hydraulic pump output shaft (2-5) relative to the cutter implement wheel frame (3-4) and the support shaft assembly (3-7) of rotation; said supporting shaft (3-9) of the right end of the support shaft is provided with an internal bore (3-11), said support shaft bore (3-11) is provided with a support shaft keyway (3-10), said support shaft keyway (3-10) can handle to communicate with external support shaft keyway (3-10) connection; said sheave (3-5) wound on rope (3-12), said rope (3-12) connected to the lower end of the rope body (3-13) can be connected to the body through the cutter wheel (3-5) of rotation to achieve slow down the body and ropes away.
2. a kind of hydraulic slow drop device according to claim 1 is characterized in that: said hydraulic pump (2) can be a hydraulic motor.
3. a kind of hydraulic slow drop device according to claim 1 is characterized in that: the step that the conical surface end of said nonreturn valve core (1-5) and the upper and lower communication channel of valve group (1-3) and valve group lower oil cavitie (1-8) form offsets.
4. a kind of hydraulic slow drop device according to claim 1 is characterized in that: the other end of said nonreturn valve core (1-5) offers spring base hole (1-7), and be placed in spring (1-10) offset.
5. according to claim 1, the described a kind of hydraulic slow drop device of 3 arbitrary claims; It is characterized in that: offer spring cavity (1-11) on the said plug (1-12); The lower end of spring (1-10) is placed in the spring cavity (1-11), and offsets with plug (1-12).
6. a kind of hydraulic slow drop device according to claim 1 is characterized in that: the hydraulic pump output shaft (2-5) of said hydraulic pump 2 can be connected with the centre bore of reel (3-5) through modes such as flat key, spline, axle sleeve tight fits.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210244695.9A CN102743827B (en) | 2012-07-13 | 2012-07-13 | Hydraulic descent control device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210244695.9A CN102743827B (en) | 2012-07-13 | 2012-07-13 | Hydraulic descent control device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102743827A true CN102743827A (en) | 2012-10-24 |
| CN102743827B CN102743827B (en) | 2014-10-29 |
Family
ID=47024541
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210244695.9A Expired - Fee Related CN102743827B (en) | 2012-07-13 | 2012-07-13 | Hydraulic descent control device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102743827B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102974047A (en) * | 2012-12-10 | 2013-03-20 | 河海大学常州校区 | Hydraulic descent control device |
| CN106943682A (en) * | 2017-04-07 | 2017-07-14 | 南京信息职业技术学院 | Hydraulic pump type damping reciprocating lifesaving descent control device |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201445715U (en) * | 2009-06-26 | 2010-05-05 | 潍坊学院 | Constant speed building escape apparatus |
| CN201768280U (en) * | 2010-07-08 | 2011-03-23 | 南京林业大学 | Hydraulic damping type high-rise life-saving device |
| CN202100780U (en) * | 2011-01-28 | 2012-01-04 | 浙江万金机械有限公司 | Unidirectional throttle valve |
-
2012
- 2012-07-13 CN CN201210244695.9A patent/CN102743827B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201445715U (en) * | 2009-06-26 | 2010-05-05 | 潍坊学院 | Constant speed building escape apparatus |
| CN201768280U (en) * | 2010-07-08 | 2011-03-23 | 南京林业大学 | Hydraulic damping type high-rise life-saving device |
| CN202100780U (en) * | 2011-01-28 | 2012-01-04 | 浙江万金机械有限公司 | Unidirectional throttle valve |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102974047A (en) * | 2012-12-10 | 2013-03-20 | 河海大学常州校区 | Hydraulic descent control device |
| CN102974047B (en) * | 2012-12-10 | 2014-12-10 | 河海大学常州校区 | Hydraulic descent control device |
| CN106943682A (en) * | 2017-04-07 | 2017-07-14 | 南京信息职业技术学院 | Hydraulic pump type damping reciprocating lifesaving descent control device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102743827B (en) | 2014-10-29 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102743824B (en) | Hydraulic descent control device | |
| CN201469925U (en) | Hydraulic automatic speed limitting device | |
| CN102743827B (en) | Hydraulic descent control device | |
| CN201799022U (en) | Mechanical high-building escape device | |
| CN101816824B (en) | High-altitude lifesaving slow descender | |
| CN201353383Y (en) | Hydraulic damping high-rise escape slow descending device | |
| CN202682587U (en) | Hydraulic damping type descending rescue device | |
| CN101708355A (en) | High-altitude fire-fighting escape device | |
| CN102743826B (en) | Hydraulic descent control device | |
| CN102974047B (en) | Hydraulic descent control device | |
| CN102743825B (en) | Hydraulic descent control device | |
| CN202714534U (en) | Escape chair | |
| CN201324450Y (en) | High altitude lifesaving hydraulic descent control device | |
| CN214435911U (en) | Descent control device | |
| CN205108795U (en) | Voltage -controlled self -adaptation high building device of saving oneself of fleing | |
| CN101966371B (en) | Mechanical descent control device | |
| CN203017598U (en) | Simple centrifugation mechanism type escaping speed regulation slow down system | |
| CN214679683U (en) | Hydraulic and friction damping descent control device | |
| CN105031840A (en) | Electromagnetic damping self-powered high-rise escape device | |
| CN205626748U (en) | High building brucker survival capsule slowly falls in inner loop hydraulic damping | |
| CN201453863U (en) | Portable automatic descending device | |
| CN209529933U (en) | High-rise life saving prompt drop device | |
| CN203090282U (en) | Recyclable hydraulic damping descending lifeline with stall protection | |
| CN102961830A (en) | Hydraulic descent control device | |
| CN202844398U (en) | High building survival equipment |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141029 Termination date: 20170713 |