CN109589510A - Fall-slowing device for rescuing from high building - Google Patents
Fall-slowing device for rescuing from high building Download PDFInfo
- Publication number
- CN109589510A CN109589510A CN201910019740.2A CN201910019740A CN109589510A CN 109589510 A CN109589510 A CN 109589510A CN 201910019740 A CN201910019740 A CN 201910019740A CN 109589510 A CN109589510 A CN 109589510A
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- Prior art keywords
- rescuing
- fall
- shaft
- shell
- high building
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- 239000002184 metal Substances 0.000 claims description 17
- 238000005096 rolling process Methods 0.000 claims description 9
- 238000005266 casting Methods 0.000 claims description 3
- 239000007787 solid Substances 0.000 claims 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 7
- 230000008901 benefit Effects 0.000 abstract description 3
- 230000007423 decrease Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000004804 winding Methods 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000007493 shaping process Methods 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- BVPWJMCABCPUQY-UHFFFAOYSA-N 4-amino-5-chloro-2-methoxy-N-[1-(phenylmethyl)-4-piperidinyl]benzamide Chemical compound COC1=CC(N)=C(Cl)C=C1C(=O)NC1CCN(CC=2C=CC=CC=2)CC1 BVPWJMCABCPUQY-UHFFFAOYSA-N 0.000 description 1
- 241000219112 Cucumis Species 0.000 description 1
- 235000015510 Cucumis melo subsp melo Nutrition 0.000 description 1
- FJJCIZWZNKZHII-UHFFFAOYSA-N [4,6-bis(cyanoamino)-1,3,5-triazin-2-yl]cyanamide Chemical compound N#CNC1=NC(NC#N)=NC(NC#N)=N1 FJJCIZWZNKZHII-UHFFFAOYSA-N 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
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
- A62B1/08—Devices for lowering persons from buildings or the like by making use of rope-lowering devices with brake mechanisms for the winches or pulleys
- A62B1/10—Devices for lowering persons from buildings or the like by making use of rope-lowering devices with brake mechanisms for the winches or pulleys mechanically operated
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Emergency Lowering Means (AREA)
Abstract
The invention discloses a kind of fall-slowing device for rescuing from high building, including release, metallic rope pulley and shell；The release includes escape wheel, escape wheel is equipped with balance spring spring, escape wheel upper end is equipped with escapement lever, the escapement lever lower end is equipped with the first slips and the second slips, the escapement lever upper end is equipped with single pendulum, the single pendulum is equipped with gantry column, and the shell of escapement lever two sides is equipped with the first block and the second block, and the escapement lever lower end is hinged on shell by first axle；The metallic rope pulley includes: shaft, and the shaft is equipped with the first round and the second wheel, and the chain rope of closed loop or open loop is equipped between the first round and the second wheel；The metallic rope pulley is detachably connected with escape wheel；The release and metallic rope pulley are arranged on shell.Invention achieves practical, intensity is high, and stability is good, not inflammable, is not afraid of oil, not afraid of water, even if also can at the uniform velocity delay drop in the case that and fire-fighting larger in load-bearing is sprayed water, the advantages of suitable high-rise life saving.
Description
Technical field
The present invention relates to a kind of fall-slowing device for rescuing from high building, belong to machine-building and lifesaving instrument field.
Background technique
When fire occurs, high-rise personnel need safely to drop on ground.Descending lifeline at present on the market is main
Have several: the first: 8 word annular descending lifelines are to be slowed down using the frictional force between rope and 8 word rings, are chiefly used in outdoor rock-climbing
It moves and uses, layman is difficult control, is easy danger, and only 6 meters of limit is used below.Second: manual mode descending lifeline,
It needs to manually control, layman is difficult control, and only 15 meters of limit is used below.The third frictional damping formula descending lifeline.
Slowed down using the frictional force of rubber block, be afraid of oily, afraid of water, inflammable burning, generate clast in use, safety coefficient is low, only 30 meters of limit with
Lower use.Therefore it is badly in need of a kind of fall-slowing device for rescuing from high building.
Summary of the invention
The present invention in order to solve the problems, such as it is above-mentioned exist in the prior art, a kind of fall-slowing device for rescuing from high building is provided, it is existing to solve
In the technical problem of high-rise life saving difficulty.
The technical solution adopted by the present invention to solve the technical problems is:
A kind of fall-slowing device for rescuing from high building, including release, metallic rope pulley and shell；Release includes escape wheel, is caught
Vertical wheel is equipped with balance spring spring, and escape wheel upper end is equipped with escapement lever, and the escapement lever lower end is equipped with the first slips and the second slips,
Escapement lever upper end is equipped with single pendulum, and single pendulum is equipped with gantry column, and the escapement lever both ends are equipped with the first block and the second block, escapement
Fork lower end is hinged on shell by first axle；The metallic rope pulley includes: shaft, and the shaft is equipped with the first round and second
Wheel is equipped with the chain rope of closed loop or open loop between the first round and the second wheel；The metallic rope pulley and escape wheel are relatively fixed；Institute
It states release and metallic rope pulley is arranged on shell.
In addition, fall-slowing device for rescuing from high building according to an embodiment of the present invention can also have following additional technical feature:
Preferably, the first bar is equipped at first slips, first bar is equipped with the first metal wire.
Preferably, the second bar is equipped at second slips, second bar is equipped with the second metal wire.
Preferably, it can realize that escapement lever or so is intermittent when single pendulum is swung to swing.
Preferably, the chain rope includes the first chain rope (15) and the second chain rope (16), and the chain rope of closed loop by sprocket wheel and turns
Axis (18) is connected, the first chain rope (15) of open-loop chain rope and the second chain rope (16) by shaft (18) the upper first round (19) with
The baffle (17) of setting between second wheel (20) separates, and is fixed on shaft (18).
Preferably, it is equipped with third axis among the single pendulum, third axis both ends are fixed on shell by rolling bearing.
Preferably, it is equipped with the second axis among the escape wheel, escape wheel is connected by key with the second axis, second axis one
End be fixed on shell by rolling bearing, one end of the shaft of the other end and metallic rope pulley is welded as a whole, metallic rope pulley and
Shaft is connected by key, and the other end of shaft is fixed on shell by rolling bearing.
Preferably, second axis and shaft integrally casting shaping.
Preferably, the shell upper end is equipped with safety buckle, and the safety buckle is fixed on the wall.
Preferably, when single pendulum swing when, will drive escapement lever swing, when escapement lever swing when, can by the first slips with
Second slips catches or indulges escape wheel.
Since present invention employs above technical solution, the technical effect generated is apparent that
In this way, practical, intensity is high, and stability is good by using fall-slowing device for rescuing from high building of the invention, it is inflammable,
It is not afraid of oil, it is not afraid of water, it even if in the case that and fire-fighting larger in load-bearing is sprayed water, also can at the uniform velocity delay drop, be suitble to high-rise life saving.Stupidly
The operation of melon formula is not necessarily to professional knowledge, host need to only be fixed, and closing of safety belt can safe falling.
Detailed description of the invention
Above-mentioned and/or additional aspect of the invention and advantage will become from the description of the embodiment in conjunction with the following figures
Obviously and it is readily appreciated that, in which:
Fig. 1 is the release structural schematic diagram of the fall-slowing device for rescuing from high building of the embodiment of the present invention；
Fig. 2 is release and the signal of metallic rope pulley device mounting structure of the fall-slowing device for rescuing from high building of the embodiment of the present invention
Figure；
Fig. 3 is the fall-slowing device for rescuing from high building metallic rope pulley structural schematic diagram of the embodiment of the present invention；
Fig. 4 is the structural schematic diagram of the fall-slowing device for rescuing from high building of the embodiment of the present invention；
Fig. 5 is the closed loop whereabouts schematic diagram of the fall-slowing device for rescuing from high building of the embodiment of the present invention；
Fig. 6 is the open loop whereabouts schematic diagram of the fall-slowing device for rescuing from high building of the embodiment of the present invention.
Description of symbols:
In Fig. 1-Fig. 6, the first metal wire 1；Escape wheel 2；First slips 3；First bar 4；Escapement lever 5；First block 6；
Gantry column 7；Single pendulum 8；Second block 9；First axle 10；Second bar 11；Second slips 12；Second axis 13；Second metal wire 14；The
One chain rope 15；Second chain rope 16；Baffle 17；Shaft 18；The first round 19；Second wheel 20；Balance spring spring 21；Third axis 22；Metal
Rope sheave 24；Safety buckle 25；Shell 26.
Specific embodiment
The embodiment of the present invention is described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning to end
Same or similar label indicates same or similar element or element with the same or similar functions.Below with reference to attached
The embodiment of figure description is exemplary, and for explaining only the invention, and is not considered as limiting the invention.
As shown in figures 1 to 6, a kind of fall-slowing device for rescuing from high building, including release, metallic rope pulley 24 and shell 26；Escapement dress
It sets including escape wheel 2, escape wheel 2 is equipped with balance spring spring 21, and 2 upper end of escape wheel is equipped with escapement lever 5,5 lower end of escapement lever
Equipped with the first slips 3 and the second slips 12,5 upper end of escapement lever is equipped with single pendulum 8, and single pendulum 8 is equipped with gantry column 7, the escapement lever 5
Both ends are equipped with the first block 6 and the second block 9, and 5 lower end of escapement lever is hinged on shell 26 by first axle 10；The metallic cable
Wheel 24 includes: shaft 18, and the shaft 18 is equipped with the first round 19 and the second wheel 20, between the first round 19 and the second wheel 20
Chain rope equipped with closed loop or open loop；The metallic rope pulley 24 and escape wheel 2 are relatively fixed；The release and metallic rope pulley 24
It is arranged on shell 26.
Particularly, the first bar 4 is equipped at first slips 3, first bar 4 is equipped with the first metal wire 1.Second
The second bar 11 is equipped at slips 12, second bar 11 is equipped with the second metal wire 14.Escapement lever can be realized when single pendulum 8 is swung
5 or so intermittent swings.The chain rope includes the first chain rope (15) and the second chain rope (16), and the chain rope of closed loop by sprocket wheel and turns
Axis (18) is connected, the first chain rope (15) of open-loop chain rope and the second chain rope (16) by shaft (18) the upper first round (19) with
The baffle (17) of setting between second wheel (20) separates, and is fixed on shaft (18).
Third axis 22 is equipped among single pendulum 8,22 both ends of third axis are fixed on shell 26 by rolling bearing.The escapement
The second axis 13 is equipped among wheel 2, escape wheel 2 is connected by key with the second axis 13, and described second axis, 13 one end passes through rolling bearing
It is fixed on shell 26, the other end and one end of the shaft 18 of metallic rope pulley 24 are welded as a whole, metallic rope pulley 24 and shaft 18
It is connected by key, the other end of shaft is fixed on shell 26 by rolling bearing, and 26 upper end of shell is equipped with safety buckle 25, described
Safety buckle 25 is fixed on the wall.When single pendulum 8 is swung, the swing of escapement lever 5 will drive, it, can be by the when escapement lever 5 is swung
One slips 3 and the second slips 12 catch or indulge escape wheel 2.
The device, one catches one vertical, and a card one is put, and realizes uniform descent, the power resources of escapement lever 5 in balance spring spring 21,
By the resonance of balance spring spring 21, the first slips 3 of escapement lever 5 and the second slips 12 is driven to swing, and acts on escape wheel
2.The installation relation of balance spring spring 21 and escape wheel 2 is identical as the installation relation in clock and watch between balance spring spring 21 and escape wheel 2,
In addition, escape wheel 2 rotates down when the first slips 3 unclamps, while meeting the first slips of power-assisted 3 resets, and the second slips 12 is again
It blocks, resonance is integrally formed once, and above procedure is constantly repeated in dropping process.Though the power-assisted of escape wheel 2 is small, can protect
Card spring moves in circles, and will not stop.By changing the length of spring, to adjust the speed of resonance.Spring is long, blocks slowly,
Decrease speed is fast；Spring is short, blocks fastly, decrease speed is with regard to slow.By calculate and test determine obtain suitable length and
Decrease speed.
Second axis 13 and shaft 18 can also integrally casting shaping to save the product set-up time improve production efficiency.
The setting of single pendulum 8, effect are that the swing of escapement lever 5 is driven by the resonance of single pendulum 8, make release catch in pairs.It can be with
When preventing the fracture of balance spring spring 21 or failure, it can work there are one escapement, have the effect of dual fail-safe.It can pass through
Change the length of single pendulum 8, to adjust the speed of resonance.Single pendulum 8 is long, blocks slowly, and decline is fast；Single pendulum 8 is short, blocks fastly, under slow down.
By calculating and testing, suitable 8 length of single pendulum and decrease speed are obtained.
21 release catch of balance spring spring lays flat, tiltedly puts, puts be ok vertically, but 8 release of single pendulum needs are disposed vertically
It can work, cannot tilt.Single pendulum 8 pulls the first metal wire 1 under the action of the difference of gravity using the gravitational difference of the right and left
Or second metal wire 14, so that it may control release and start or stop.
On the first slips 3 and the second slips 12 of escapement lever 5, difference horizontal extension the first bar 4 and the second bar 11, and
The first metal wire 1 and the second metal wire 14 of first bar 4 and the corresponding position difference refinement length of the second bar 11, for starting or stopping
Only release.Two lines length, size, weight are consistent, it is ensured that both sides stress equalization.As long as the first metal wire 1 and second
2 long enough of metal wire drops to any height of floor, can stop landing by drawstring at any time.The setting of escapement lever 5 passes through pendulum
Dynamic to realize the first slips 3 and the second slips 12 to the card of escape wheel 2 and put, the setting of the first block 6 and the second block 9 is used for pair
The restriction of escapement lever 5 amplitude of fluctuation and angle, for swinging swinging fork, the setting of first axle 10 is used for for the setting of gantry column 7
Escapement lever 5 is hinged on shell 26, the setting of the first bar 4 and the second bar 11 and the first metal wire 1 and the second metal wire 14
It realizes any height for dropping to floor, landing can be stopped by drawstring at any time.
Embodiment 1: the chain rope includes the first chain rope 15 and the second chain rope 16, and the first chain rope 15 and the second chain rope 16 are set
The rescue for setting realization personnel is fallen, and the first chain rope 15 and the second chain rope 16 are closed loop, as shown in figure 5, the first chain rope 15
Upper end is connected with the upper end of the second chain rope 16, and the first chain rope 15 is connected with the lower end of the second chain rope 16, forms a closing loop chain
Rope is the chain rope of closed loop, and sprocket wheel, the closing that the first chain rope 15 and the second chain rope 16 are formed are changed at 17 position of baffle of shaft 18
Loop chain rope is wrapped on sprocket wheel, and with the rotation of shaft 18, band movable sprocket is rotated, and then is realized on closing loop chain rope circulation left side
It moves, right side moves down, i.e., as shown in figure 5, can be achieved to be buckled well safety belt waiting in advance by rescue personnel in this way, successively by peace with it
Full band, which is buckled on rope, to fall, and after first man drops on ground, second people buckles another safety belt whereabouts, reaches in ground
Behind face, safety belt continues to be buckled on chain and rise.
Embodiment 2: the chain rope includes the first chain rope 15 and the second chain rope 16, and the first chain rope 15 and the second chain rope 16 can also
For open loop form, as shown in fig. 6, the first chain rope 15,16 upper end of the second chain rope are separately fixed in shaft 18,15 He of the first chain rope
Second chain rope, 16 lower end is respectively equipped with safety rope, and baffle 17 is equipped between the first chain rope 15 and the second chain rope 16, and baffle 17 is set
It sets and realizes that when escape wheel 2 rotates, shaft 18 rotates simultaneously, but the first chain rope 15 and the to the separation of first the second rope of rope
The canoe of two chain ropes 16 is different, one on the other, a winding, another release, if on the left side, under the right, wait become separated in flight
Personnel go downstairs from the right and left interval respectively.
Hinged, the winding of the setting realization rope of shaft 18 of the setting realization escape wheel 2 of second axis 13, the first round 19,
The setting of second wheel 20 forms metallic rope pulley 24, and the setting of balance spring spring 21 realizes that power provides, and the setting of third axis 22 is realized
To the hinged of single pendulum 8, the winding of rope is realized in the setting of metallic rope pulley 24.
The utility model has the advantages that fall-slowing device for rescuing from high building, practical, intensity is high, and stability is good, not inflammable, is not afraid of oil, is not afraid of
Water also can at the uniform velocity delay drop in the case that even and if fire-fighting larger in load-bearing is sprayed water, and be suitble to high-rise life saving.Foolproof operation, nothing
Professional knowledge is needed, host need to only be fixed, and closing of safety belt can safe falling.
Although an embodiment of the present invention has been shown and described, it will be understood by those skilled in the art that: not
A variety of change, modification, replacement and modification can be carried out to these embodiments in the case where being detached from the principle of the present invention and objective, this
The range of invention is defined by the claims and their equivalents.
Claims (10)
1. a kind of fall-slowing device for rescuing from high building, it is characterised in that, including release, metallic rope pulley (24) and shell (26)；It is described
Release includes escape wheel (2), and the escape wheel (2) is equipped with balance spring spring (21), and escape wheel (2) upper end is equipped with and catches
Vertical fork (5), escapement lever (5) lower end are equipped with the first slips (3) and the second slips (12), and escapement lever (5) upper end is equipped with
Single pendulum (8), the single pendulum (8) are equipped with gantry column (7), the shells of escapement lever (5) two sides be equipped with the first block (6) and
Second block (9), escapement lever (5) lower end are hinged on shell (26) by first axle (10)；The metallic rope pulley (24)
It include: shaft (18), the shaft (18) is equipped with the first round (19) and the second wheel (20), the first round (19) and the second wheel
(20) the chain rope of closed loop or open loop is equipped between；
The metallic rope pulley (24) is detachably connected with escape wheel (2)；
The release and metallic rope pulley (24) are arranged on shell (26).
2. fall-slowing device for rescuing from high building according to claim 1, which is characterized in that be equipped with first at first slips (3)
Bar (4), first bar (4) are equipped with the first metal wire (1).
3. fall-slowing device for rescuing from high building according to claim 1, which is characterized in that be equipped with second at second slips (12)
Bar (11), second bar (11) are equipped with the second metal wire (14).
4. fall-slowing device for rescuing from high building according to claim 1, which is characterized in that can realize escapement when single pendulum (8) are swung
Pitch the intermittent swing in (5) left and right.
5. fall-slowing device for rescuing from high building according to claim 1, which is characterized in that the chain rope include the first chain rope (15) and
Second chain rope (16), the chain rope of closed loop are connected by sprocket wheel with shaft (18), the first chain rope (15) of open-loop chain rope and the
Two chain ropes (16) are separated by the baffle (17) of the setting between shaft (18) the upper first round (19) and the second wheel (20), and solid
It is scheduled on shaft (18).
6. fall-slowing device for rescuing from high building according to claim 1, which is characterized in that be equipped with third axis among the single pendulum (8)
(22), third axis (22) both ends are fixed on shell (26) by rolling bearing.
7. fall-slowing device for rescuing from high building according to claim 1, which is characterized in that be equipped with second among the escape wheel (2)
Axis (13), escape wheel (2) are connected by key with the second axis (13), and described second axis (13) one end is fixed on shell by rolling bearing
On body (26), the other end and one end of the shaft (18) of metallic rope pulley (24) are welded as a whole, metallic rope pulley (24) and shaft
(18) it is connected by key, the other end of shaft is fixed on shell (26) by rolling bearing.
8. fall-slowing device for rescuing from high building according to claim 7, which is characterized in that second axis (13) and shaft (18) one
Body casting and forming.
9. fall-slowing device for rescuing from high building according to claim 1, which is characterized in that shell (26) upper end is equipped with safety buckle
(25), the safety buckle (25) is fixed on the wall.
10. fall-slowing device for rescuing from high building according to claim 1, which is characterized in that when single pendulum (8) are swung, will drive and catch
Vertical fork (5) swings, and when escapement lever (5) are swung, can catch or indulge escape wheel (2) by the first slips (3) and the second slips (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910019740.2A CN109589510A (en) | 2019-01-09 | 2019-01-09 | Fall-slowing device for rescuing from high building |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910019740.2A CN109589510A (en) | 2019-01-09 | 2019-01-09 | Fall-slowing device for rescuing from high building |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109589510A true CN109589510A (en) | 2019-04-09 |
Family
ID=65965488
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910019740.2A Pending CN109589510A (en) | 2019-01-09 | 2019-01-09 | Fall-slowing device for rescuing from high building |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109589510A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110189959A (en) * | 2019-06-12 | 2019-08-30 | 沙丽萍 | A kind of wear-resistant mechanical timer |
| CN112079272A (en) * | 2020-08-13 | 2020-12-15 | 王群英 | Building material transportation equipment |
| CN113914600A (en) * | 2021-12-13 | 2022-01-11 | 江苏鸿恩智能科技有限公司 | Round chain guide mechanism for building climbing frame |
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| CN2175011Y (en) * | 1993-12-16 | 1994-08-24 | 曾景霖 | Device for lowering persons from building |
| CN201049150Y (en) * | 2006-12-18 | 2008-04-23 | 王来勋 | Escape speed regulating rope general purpose type reciprocating slow drop-down apparatus |
| CN201567129U (en) * | 2009-11-13 | 2010-09-01 | 潘庠 | Gravity-type non-energy consumption descending and reducing speed controlling mechanical device |
| CN103212166A (en) * | 2013-04-22 | 2013-07-24 | 嘉兴学院 | Even velocity transmission and dropping security device, simple pendulum gear constant speed machine thereof and even velocity dropping method |
| CN204092872U (en) * | 2014-06-24 | 2015-01-14 | 上海电机学院 | Overhead escape device |
| CN105944247A (en) * | 2016-06-28 | 2016-09-21 | 北京中蓝华翠科技开发有限公司 | High-rise escape system |
| CN207477805U (en) * | 2017-10-31 | 2018-06-12 | 广州卫富科技开发有限公司 | A kind of release catch type lifesaving descent control device |
-
2019
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2175011Y (en) * | 1993-12-16 | 1994-08-24 | 曾景霖 | Device for lowering persons from building |
| CN201049150Y (en) * | 2006-12-18 | 2008-04-23 | 王来勋 | Escape speed regulating rope general purpose type reciprocating slow drop-down apparatus |
| CN201567129U (en) * | 2009-11-13 | 2010-09-01 | 潘庠 | Gravity-type non-energy consumption descending and reducing speed controlling mechanical device |
| CN103212166A (en) * | 2013-04-22 | 2013-07-24 | 嘉兴学院 | Even velocity transmission and dropping security device, simple pendulum gear constant speed machine thereof and even velocity dropping method |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110189959A (en) * | 2019-06-12 | 2019-08-30 | 沙丽萍 | A kind of wear-resistant mechanical timer |
| CN112079272A (en) * | 2020-08-13 | 2020-12-15 | 王群英 | Building material transportation equipment |
| CN112079272B (en) * | 2020-08-13 | 2022-04-08 | 江苏伟丰建筑安装集团有限公司 | Building material transportation equipment |
| CN113914600A (en) * | 2021-12-13 | 2022-01-11 | 江苏鸿恩智能科技有限公司 | Round chain guide mechanism for building climbing frame |
| CN113914600B (en) * | 2021-12-13 | 2022-03-01 | 江苏鸿恩智能科技有限公司 | Round chain guide mechanism for building climbing frame |
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Application publication date: 20190409 |