CN111420310B - Hydraulic damping descent control device for high-rise escape - Google Patents
Hydraulic damping descent control device for high-rise escape Download PDFInfo
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- CN111420310B CN111420310B CN202010189862.9A CN202010189862A CN111420310B CN 111420310 B CN111420310 B CN 111420310B CN 202010189862 A CN202010189862 A CN 202010189862A CN 111420310 B CN111420310 B CN 111420310B
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- shell
- control device
- damping
- descent control
- speed reducer
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- 238000013016 damping Methods 0.000 title claims abstract description 73
- 239000003638 chemical reducing agent Substances 0.000 claims abstract description 66
- 230000001603 reducing effect Effects 0.000 claims abstract description 37
- 239000003921 oil Substances 0.000 claims description 35
- 239000010720 hydraulic oil Substances 0.000 claims description 4
- 239000007788 liquid Substances 0.000 claims description 2
- 238000003756 stirring Methods 0.000 claims 13
- 230000008451 emotion Effects 0.000 abstract 1
- 230000002349 favourable effect Effects 0.000 abstract 1
- 239000004519 grease Substances 0.000 description 7
- 230000000694 effects Effects 0.000 description 6
- 210000003813 thumb Anatomy 0.000 description 6
- 238000000034 method Methods 0.000 description 4
- 238000004804 winding Methods 0.000 description 3
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 238000000280 densification Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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Classifications
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- 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
- A62B1/14—Devices for lowering persons from buildings or the like by making use of rope-lowering devices with brakes sliding on the rope
-
- 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
- A62B1/18—Other single parts for rope lowering-devices, e.g. take-up rollers for ropes, devices for shooting ropes
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- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Emergency Lowering Means (AREA)
- Fluid-Damping Devices (AREA)
- Vibration Prevention Devices (AREA)
- Buildings Adapted To Withstand Abnormal External Influences (AREA)
Abstract
The invention provides a hydraulic damping descent control device for high-rise escape, which comprises a descent control device shell, wherein the top of the descent control device shell is provided with a connecting column, the connecting column is provided with a hinge structure and is connected with a top cover through a hinge, the descent control device shell is provided with a first speed reducing wheel and a second speed reducing wheel, cables are wound outside the first speed reducing wheel and the second speed reducing wheel, the first speed reducing wheel and the second speed reducing wheel are movably connected with the descent control device shell through rotating shafts, one ends of the rotating shafts of the first speed reducing wheel and the second speed reducing wheel respectively extend into a threaded damping speed reducer and a plectrum damping speed reducer, the bottom of the descent control device shell is provided with a hanging hole, one side of the descent control device shell is provided with a hand-press speed reducer, the hydraulic damping descent control device is simple in operation, does not depend on manual operation, is favorable for reducing operation errors caused by confusion of emotions, is adjustable in descent control speed, is suitable for various scenes, the cables are separated from the descent control device, and one cable can be provided with a plurality of descent control devices, can be used by a plurality of people simultaneously and has good development prospect.
Description
Technical Field
The invention relates to the field of rescue and escape equipment, in particular to a high-rise descent control device.
Background
Along with the increase and the gradual densification of the building height, the potential safety hazard of the building is more and more, under the critical situation such as a fire disaster, the effective escape means of people in the high building are very few, when the fire disaster happens in the lower floor of the high building and can not escape through an escape passage, people who have no time to evacuate can move to a refuge floor or a high floor in time to strive for rescue time, and when the rescue can not arrive, the people can save themselves through equipment such as a descent control device.
However, the conventional descent control devices in the market are mainly manual control type, escape type or friction damping type, the manual control type requires personnel to manually control the descent control devices, trapped personnel are often in a confused state of mind and are easy to operate improperly to cause accidents under the emergency condition of fire, the escape type and the friction damping type mostly operate automatically, the landing speed is difficult to regulate and control under different conditions, and most of the descent control devices are directly and fixedly connected with ropes and can only be used by a single person, so that the descent control device is not suitable for the condition that a plurality of people are trapped in a high building.
Disclosure of Invention
The invention aims to solve the problems that the traditional descent control device is difficult to operate, difficult to regulate and control speed and incapable of being used by multiple people.
In order to achieve the purpose, the invention provides the following technical scheme:
the utility model provides a high building is fleed and is used hydraulic damping ware that slowly falls, including slowly falling the ware shell, the top of slowly falling the ware shell is provided with the spliced pole, be provided with hinge structure on the spliced pole, there is the top cap through hinged joint, be provided with first deceleration wheel and second deceleration wheel on slowly falling the ware shell, first deceleration wheel has the hawser with the outside winding of second deceleration wheel, first deceleration wheel and second deceleration wheel are through pivot and slowly fall ware shell swing joint, in first deceleration wheel and the one end of second deceleration wheel pivot explored into screw thread damping reduction gear and plectrum damping reduction gear respectively, the bottom of slowly falling the ware shell is provided with the hanging hole, one side is provided with hand reduction gear.
As a further scheme of the invention: the bottom of ware shell slowly falls is provided with the screw thread post, screw thread post and ware shell hinged joint slowly falls, and the screw thread post is gone up to have fastening nut, and the bottom of top cap is provided with the buckle structure that corresponds with screw thread post, fastening nut, through the cooperation of screw thread post, fastening nut and top cap buckle structure, will slowly fall the bottom fixed connection of ware shell and top cap.
As a further scheme of the invention: the mooring rope is wound on the outer sides of the first speed reducing wheel and the second speed reducing wheel in an 8-shaped mode, and the tail end of the mooring rope stretches out of the shell of the descent control device through the position of the hand-press speed reducer.
As a further scheme of the invention: the first reducing gear runs through the ware shell that slowly falls with slowly falling in pivot one end of second reducing gear, then in exploring screw thread damping reduction gear and plectrum damping reduction gear, the other end passes through the fixed orifices on the top cap and assists fixedly, and the fixed orifices internal surface is arc protruding structure.
As a further scheme of the invention: the thread damping speed reducer comprises a thread damping speed reducer shell, thread pieces and an oil circuit, wherein the thread damping speed reducer shell is arranged on one side of the slow descending device shell, a hydraulic cylinder is arranged inside the thread damping speed reducer shell, a rotating shaft of a first reducing wheel is arranged in the middle of the hydraulic cylinder, the thread pieces are connected to the outer side of the rotating shaft of the inner portion of the hydraulic cylinder, the oil circuit is arranged in the thread damping speed reducer shell, and the oil circuit is connected with two ends of the hydraulic cylinder structure.
As a further scheme of the invention: the hydraulic valve is arranged on the oil liquid loop, the top end of the hydraulic valve extends out of the shell of the thread damping speed reducer and is connected with the knob, the knob is provided with a pointer, and a dial is arranged at the position, corresponding to the pointer of the knob, on the shell of the thread damping speed reducer.
As a further scheme of the invention: the plectrum damping reduction gear comprises driver plate damping reduction gear shell, thumb wheel and plectrum, and plectrum damping reduction gear shell connects in the below of screw thread damping reduction gear shell, and the centre is provided with the cavity structure, and the centre of cavity is the pivot of second reducing gear, installs the thumb wheel in the pivot, is provided with grease chamber in the plectrum reduction gear shell, is provided with the plectrum in the grease chamber, and plectrum one end and plectrum reduction gear shell hinged joint have hydraulic oil in the grease chamber.
As a further scheme of the invention: be provided with a plurality of protruding structures on the thumb wheel, protruding structure highly is greater than the distance of thumb wheel to plectrum highest point, is provided with first pressure spring between grease chamber inner wall and the plectrum, and grease chamber keeps away from plectrum hinge structure one end and is provided with bellied structure, carries on spacingly to the plectrum.
As a further scheme of the invention: the hand-press speed reducer consists of an ear plate, a handle and a pressing sheet, the ear plate is connected to one side of the descent control device shell, the handle is hinged to the ear plate, the pressing sheet which is in contact with a cable rope and extends into the descent control device shell is arranged at the rear end of the handle, and a second pressure spring is arranged between the handle and the descent control device shell.
Advantageous effects
1. The invention is provided with the thread damping speed reducer and the plectrum damping speed reducer, the speed reduction is carried out in two modes, the device failure caused by the accidental fault of the speed reducer can be prevented, and the thread damping speed reducer is provided with the hydraulic valve, the effect of the speed reducer can be controlled through the hydraulic valve, and the invention is suitable for various conditions.
2. The invention performs speed reduction through hydraulic damping, has no complex operation, does not need manual operation, is simple to use, and is suitable for panic situations when dangerous situations such as fire disasters occur.
3. The device is separated from the cable rope through the openable top cover, and one cable rope can be provided with a plurality of descent control devices, so that the device is suitable for being used when a plurality of people in a high-rise building are trapped.
4. The hand pressure reducer is arranged at the bottom, and manual adjustment can be carried out along with the slow descending speed through the hand pressure reducer in the slow descending process so as to adapt to complex situations on site.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
Fig. 2 is a sectional view of the overall structure of the present invention.
Fig. 3 is an enlarged view of the structure at a point a of the present invention.
Fig. 4 is an enlarged view of the structure at B of the present invention.
Fig. 5 is a structural sectional view of the thread damping speed reducer of the present invention.
FIG. 6 is a cross-sectional view of a paddle damping structure of the present invention.
Fig. 7 is a schematic view of a cable installation of the present invention.
Fig. 8 is an enlarged sectional view of the structure at c of the present invention.
In FIGS. 1-8: 1-shell, 2-top cover, 3-connecting column, 4-first reducing gear, 5-second reducing gear, 6-rotating shaft, 7-fixed hole, 8-thread damping reducer, 801-thread damping reducer shell, 802-hydraulic cylinder, 803-thread sheet, 804-oil circuit, 805-hydraulic valve, 806-knob, 9-dial damping reducer, 901-dial damping reducer shell, 902-dial wheel, 903-oil chamber, 904-dial sheet, 905-first pressure spring, 10-hanging hole, 11-cable, 12-hand pressure reducer, 1201-lug plate, 1202-handle, 1203-second pressure spring, 1204-pressing sheet, 13-thread column and 14-fastening nut.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-8, in an embodiment of the present invention, a hydraulic damping descent control device for high-rise escape includes a descent control device housing 1, a top cover 2, a connection column 3, a first deceleration wheel 4, a second deceleration wheel 5, a rotation shaft 6, a fixing hole 7, a threaded damping reducer 8, a threaded damping reducer housing 801, a hydraulic cylinder 802, a thread 803, an oil circuit 804, a hydraulic valve 805, a knob 806, a dial damping reducer 9, a dial damping reducer housing 901, a dial wheel 902, an oil chamber 903, a dial 904, a first pressure spring 905, a hanging hole 10, a cable 11, a hand-press reducer 12, an ear plate 1201, a handle 1202, a second pressure spring 1203, a pressing sheet 1204, a threaded column 13, a fastening nut 14, a connection column 3 disposed on the top of the descent control device housing 1, a hinge structure disposed on the connection column 3, a top cover 2 connected by a hinge, a first deceleration wheel 4 and a second deceleration wheel 5 disposed on the descent control device housing 1, the outside winding of first gear 4 and second gear 5 has hawser 11, and first gear 4 and second gear 5 are through pivot 6 and slow descending device shell 1 swing joint, and in the one end of first gear 4 and second gear 5 pivot 6 explored into screw thread damping reduction gear 8 and plectrum damping reduction gear 9 respectively, the bottom of slow descending device shell 1 was provided with hanging hole 10, and one side is provided with hand reduction gear 12.
Wherein: the bottom of ware shell 1 slowly falls is provided with screw thread post 13, screw thread post 13 and 1 hinged joint of ware shell slowly falls, screw thread post 13 top spin has fastening nut 14, the bottom of top cap 2 be provided with screw thread post 13, the buckle structure that fastening nut 14 corresponds, through screw thread post 13, fastening nut 14 and 2 buckle structure's of top cap cooperation, the bottom fixed connection of ware shell 1 and top cap 2 slowly falls, top cap 2 that can open through setting up, can install a plurality of ware slowly falls on a hawser 11, can supply many people to use.
Wherein: the hawser 11 is the outside of 8 font windings at first deceleration wheel 4 and second deceleration wheel 5, and outside the tail end stretches out slowly descending device shell 1 through hand reduction gear 12 position, encircles two reduction gears through hawser 11 and limits slowly descending speed to can control speed through hand reduction gear 12 in the whereabouts in-process, with the various proruption situation of reply scene.
Wherein: first gear 4 runs through slowly falling ware shell 1 with 6 one end of pivot of second gear 5, with slowly falling ware shell 1 swing joint, then in probing into screw thread damping reduction gear 8 and plectrum damping reduction gear 9, the other end passes through fixed orifices 7 on the top cap 2 and assists fixedly, and fixed orifices 7 internal surface is the protruding structure of arc, and protruding structure makes fixed orifices 7 both sides all have certain arc angle structure, makes pivot 6 more easy and fixed orifices 7 meshing. Wherein: the thread damping speed reducer 8 is composed of a thread damping speed reducer shell 801, thread pieces 803 and an oil return circuit 804, the thread damping speed reducer shell 801 is arranged on one side of the descent control device shell 1, a hydraulic cylinder 802 is arranged inside the thread damping speed reducer shell 801, a rotating shaft 6 of a first reducing wheel 4 is arranged in the middle of the hydraulic cylinder 802, the thread pieces 803 are connected to the outer side of the rotating shaft 6 inside the hydraulic cylinder 802, the oil return circuit 804 is arranged in the thread damping speed reducer shell 801, the oil return circuit 804 is connected with two ends of the hydraulic cylinder 802 structure, the rotating shaft 6 is driven to rotate through the first reducing wheel 4, the oil in the hydraulic cylinder 802 is extruded into the oil return circuit 804 by the thread pieces 803 on the rotating shaft 6, the oil passing speed is limited through the caliber of the oil return circuit 804, and the rotating speed of the rotating shaft 6 is controlled, so that the speed reducing effect is achieved.
Wherein: the hydraulic valve 805 is arranged on the oil circuit 804, the top end of the hydraulic valve 805 extends out of the thread damping speed reducer shell 1 and is connected with the knob 806, a pointer is arranged on the knob 806, a dial is arranged at a position, corresponding to the pointer of the knob 806, on the thread damping speed reducer shell 801, and the caliber of the oil circuit 804 is controlled through the hydraulic valve 805 connected with the knob 806, so that the speed reduction effect is controlled.
Wherein: the plectrum damping reducer 9 is composed of a plectrum damping reducer shell 901, a plectrum 902 and a plectrum 904, the plectrum damping reducer shell 901 is connected below a threaded damping reducer shell 801, a cavity structure is arranged in the middle, a rotating shaft 6 of a second reducing gear 5 is arranged in the middle of the cavity, the plectrum 902 is installed on the rotating shaft 6, an oil chamber 903 is arranged in the plectrum reducer shell 901, a plectrum 904 is arranged in the oil chamber 903, one end of the plectrum 904 is hinged with the plectrum reducer shell 901, hydraulic oil is injected into the oil chamber 903, the plectrum 904 is contacted with the plectrum 904 and repeatedly presses down the plectrum 904 when the plectrum 902 rotates, the rotating speed of the rotating shaft 6 is reduced through the contact of the plectrum 902 and the plectrum 904, hydraulic oil is injected into the oil chamber 903 and is buffered through the oil, the abrasion between the plectrum 902 and the plectrum 904 can be reduced, and the noise generated by collision can also be reduced.
Wherein: be provided with a plurality of protruding structures on the thumb wheel 902, protruding structure highly is greater than the distance of thumb wheel 902 to plectrum 904 highest point, is provided with first pressure spring 905 between grease chamber 903 inner wall and the plectrum 904, and grease chamber 903 is kept away from plectrum 904 hinge structure one end and is provided with bellied structure, carries on spacingly to plectrum 904, assists through first pressure spring 905 to reset to plectrum 904.
Wherein: the hand-press speed reducer 12 comprises an ear plate 1201, a handle 1202 and a pressing sheet 1204, the ear plate 1201 is connected to one side of the descent control device shell 1, the handle 1202 is hinged to the ear plate 1201, the pressing sheet 1204 which extends into the descent control device shell 1 and is in contact with a cable 11 is arranged at the rear end of the handle 1202, a second pressure spring 1203 is arranged between the handle 1202 and the descent control device shell 1, the pressing sheet 904 is driven to be pressed down through the handle 902 and is in contact with the cable 11, and the descent control speed can be controlled in the descent control process so as to deal with emergency situations.
When the invention is used, a proper slow descending position is selected, one end of a cable 11 is fixed on a stable structure in a building, the other end of the cable 11 is thrown out of the building, the top cover 2 of the slow descending device is opened after the other end of the cable 11 falls to the ground, the cable 11 is encircled in a shape like a Chinese character '8' between a first reduction gear 4 and a second reduction gear 5, the tail end of the cable passes through a hand-operated reducer 12, the top cover 2 is pressed down, the tail end of the cable is fixed with a fastening screw 14 through a threaded column 13 arranged on a shell 1 of the slow descending device, a safety rope is fixed on a trapped person, a safety buckle of the safety rope is buckled at a hanging hole 10 of the slow descending device, a hydraulic valve 805 can be controlled by rotating a knob 806, so that the speed reducing effect of a threaded damping reducer 8 is set, a user can grasp the safety rope with one hand and grasp the hand-operated reducer 12 of the slow descending device with one hand, leaves the building from a window and escapes from the outside the building, the descent control device is influenced by the gravity of a human body, slides downwards along the mooring rope 11, and drives the first speed reducing wheel 4 and the second speed reducing wheel 5 to rotate through the relative movement of the mooring rope, the first speed reducing wheel 4 drives the rotating shaft 6 to rotate, the oil in the hydraulic cylinder 802 is extruded into the oil circuit 804 by the thread piece 803 on the rotating shaft 6, the oil passing speed is limited through the caliber of the oil circuit 804, so that the rotating speed of the rotating shaft 6 is controlled, the deceleration effect is achieved, the rotating shaft 6 of the second speed reducing wheel 5 drives the dial wheel 902 to rotate, the rotating speed of the rotating shaft 6 is reduced through the collision between the dial wheel 902 and the dial piece 904, the deceleration effect is achieved, if an accident happens in the descent control process, the hand-pressing speed reducer 12 can be pressed, the handle 1202 drives the press piece 1204 to be in frictional contact with the mooring rope 11, and the descent control speed is further, so that the injury is avoided.
The above is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, it is possible to make several variations and modifications without departing from the concept of the present invention, and these should be considered as the protection scope of the present invention, which will not affect the effect of the implementation of the present invention and the utility of the patent.
Claims (4)
1. A hydraulic damping descent control device for high-rise escape is characterized by comprising a descent control device shell (1), wherein a connecting column (3) is arranged at the top of the descent control device shell (1), a hinge structure is arranged on the connecting column (3), a top cover (2) is connected through a hinge, a first speed reducing wheel (4) and a second speed reducing wheel (5) are arranged on the descent control device shell (1), cables (11) are wound on the outer sides of the first speed reducing wheel (4) and the second speed reducing wheel (5), the first speed reducing wheel (4) and the second speed reducing wheel (5) are movably connected with the descent control device shell (1) through rotating shafts (6), one ends of the rotating shafts (6) of the first speed reducing wheel (4) and the second speed reducing wheel (5) extend into a threaded damping speed reducer (8) and a dial plate damping speed reducer (9) respectively, a hanging hole (10) is formed in the bottom of the descent control device shell (1), and a hand-press speed reducer (12) is arranged on one side of the speed reducer, the mooring rope (11) is wound on the outer sides of the first speed reducing wheel (4) and the second speed reducing wheel (5) in an 8-shaped mode, the tail end of the mooring rope stretches out of the descent control device shell (1) through the position of the hand-press speed reducer (12), the threaded damping speed reducer (8) is composed of a threaded damping speed reducer shell (801), a thread piece (803) and an oil loop (804), the threaded damping speed reducer shell (801) is arranged on one side of the descent control device shell (1), a hydraulic cylinder (802) is arranged inside the threaded damping speed reducer shell (801), a rotating shaft (6) of the first speed reducing wheel (4) is arranged in the middle of the hydraulic cylinder (802), an internal thread piece (803) is connected to the outer side of the rotating shaft (6) of the hydraulic cylinder (802), the oil loop (804) is arranged in the threaded damping speed reducer shell (801), the oil loop (804) is connected with the two ends of the hydraulic cylinder (802), and the plectrum damping speed reducer (9) is composed of a driving plate shell (901), The stirring wheel (902) and the stirring sheet (904) are formed, a stirring sheet damping speed reducer shell (901) is connected below a threaded damping speed reducer shell (801), a cavity structure is arranged in the middle, a rotating shaft (6) of a second speed reducer (5) is arranged in the middle of the cavity, the stirring wheel (902) is installed on the rotating shaft (6), an oil chamber (903) is arranged in the stirring sheet speed reducer shell (901), a stirring sheet (904) is arranged in the oil chamber (903), one end of the stirring sheet (904) is hinged with the stirring sheet speed reducer shell (901), hydraulic oil is injected into the oil chamber (903), a plurality of convex structures are arranged on the stirring wheel (902), the height of each convex structure is larger than the distance from the stirring wheel (902) to the highest position of the stirring sheet (904), a first pressure spring (905) is arranged between the inner wall of the oil chamber (903) and the stirring sheet (904), one end, far away from the stirring sheet (904) hinge structure, of the oil chamber (903) is provided with a convex structure, carry out spacingly to plectrum (904), hand reduction gear (12) comprises otic placode (1201), handle (1202) and preforming (1204), and otic placode (1201) are connected in the one side of ware shell (1) slowly falls, and hinged joint has handle (1202) on otic placode (1201), and the rear end position of handle (1202) is provided with and stretches into preforming (1204) of slowly falling in ware shell (1) and hawser (11) contact, is provided with second pressure spring (1203) between handle (1202) and slowly falling ware shell (1).
2. The hydraulic damping descent control device for high-rise escape according to claim 1, wherein: the bottom of ware shell (1) slowly falls is provided with screw thread post (13), screw thread post (13) and slowly fall ware shell (1) hinged joint, screw thread post (13) top spin has fastening nut (14), the bottom of top cap (2) is provided with the buckle structure that corresponds with screw thread post (13), fastening nut (14), through screw thread post (13), fastening nut (14) and top cap (2) buckle structure's cooperation, will slowly fall the bottom fixed connection of ware shell (1) and top cap (2).
3. The hydraulic damping descent control device for high-rise escape according to claim 1, wherein: first gear (4) and pivot (6) one end of second gear (5) run through slowly falling ware shell (1), with slowly falling ware shell (1) swing joint, then in probing into screw thread damping reduction gear (8) and plectrum damping reduction gear (9), the other end passes through fixed orifices (7) on top cap (2) and assists fixedly, and fixed orifices (7) internal surface is arc protruding structure.
4. The hydraulic damping descent control device for high-rise escape according to claim 1, wherein: the hydraulic valve (805) is arranged on the oil liquid loop (804), the top end of the hydraulic valve (805) extends out of the thread damping speed reducer shell (1) and is connected with the knob (806), a pointer is arranged on the knob (806), and a dial is arranged on the thread damping speed reducer shell (801) at a position corresponding to the pointer of the knob (806).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010189862.9A CN111420310B (en) | 2020-03-18 | 2020-03-18 | Hydraulic damping descent control device for high-rise escape |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010189862.9A CN111420310B (en) | 2020-03-18 | 2020-03-18 | Hydraulic damping descent control device for high-rise escape |
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| Publication Number | Publication Date |
|---|---|
| CN111420310A CN111420310A (en) | 2020-07-17 |
| CN111420310B true CN111420310B (en) | 2021-11-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010189862.9A Active CN111420310B (en) | 2020-03-18 | 2020-03-18 | Hydraulic damping descent control device for high-rise escape |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112870569A (en) * | 2021-01-22 | 2021-06-01 | 中山市丰申电器有限公司 | Household fire self-rescue slow-descending device capable of synchronously adjusting resistance during descending |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5586617A (en) * | 1994-09-30 | 1996-12-24 | Robert L. England | Automatic emergency escape for tall structures |
| CN201735082U (en) * | 2010-08-23 | 2011-02-09 | 莫洪涛 | Decent control device for escape and rescue |
| CN209154918U (en) * | 2018-09-26 | 2019-07-26 | 辽宁安民科技产业集团股份有限公司 | A kind of slow drop equipment with double-brake system |
| CN110141806A (en) * | 2019-06-24 | 2019-08-20 | 滨州学院 | A kind of escaping device from fire disaster that sinking speed is controllable |
-
2020
- 2020-03-18 CN CN202010189862.9A patent/CN111420310B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5586617A (en) * | 1994-09-30 | 1996-12-24 | Robert L. England | Automatic emergency escape for tall structures |
| CN201735082U (en) * | 2010-08-23 | 2011-02-09 | 莫洪涛 | Decent control device for escape and rescue |
| CN209154918U (en) * | 2018-09-26 | 2019-07-26 | 辽宁安民科技产业集团股份有限公司 | A kind of slow drop equipment with double-brake system |
| CN110141806A (en) * | 2019-06-24 | 2019-08-20 | 滨州学院 | A kind of escaping device from fire disaster that sinking speed is controllable |
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| Publication number | Publication date |
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| CN111420310A (en) | 2020-07-17 |
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Denomination of invention: A hydraulic damping descent device for high-rise escape Effective date of registration: 20231007 Granted publication date: 20211105 Pledgee: Hecun sub branch of Zhejiang Jiangshan Rural Commercial Bank Co.,Ltd. Pledgor: ZHEAN GROUP CO.,LTD. Registration number: Y2023980059745 |