CN110639135A - Twisted rope type descent control device - Google Patents
Twisted rope type descent control device Download PDFInfo
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- CN110639135A CN110639135A CN201911100470.4A CN201911100470A CN110639135A CN 110639135 A CN110639135 A CN 110639135A CN 201911100470 A CN201911100470 A CN 201911100470A CN 110639135 A CN110639135 A CN 110639135A
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- 238000004804 winding Methods 0.000 claims abstract description 29
- 230000005389 magnetism Effects 0.000 claims description 6
- 238000005259 measurement Methods 0.000 claims description 2
- 230000000630 rising effect Effects 0.000 claims description 2
- 238000000034 method Methods 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000001105 regulatory effect Effects 0.000 description 2
- 230000001174 ascending effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
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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
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- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62B—DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
- A62B35/00—Safety belts or body harnesses; Similar equipment for limiting displacement of the human body, especially in case of sudden changes of motion
- A62B35/0006—Harnesses; Accessories therefor
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Abstract
A rope-twisting slow-descending device relates to the technical field of personnel slow-descending equipment, and comprises a rope-winding pulley, a safety belt fixing device, a rope-twisting positioning device and a rope, wherein two ends of the rope respectively penetrate through two sides of the rope-winding pulley and are embedded in a groove of the rope-winding pulley, the two ends of the rope are put together and pass through the rope twisting positioning device to ensure that one end of the rope is obviously shorter than the other end of the rope, and then the device is stored, when the rope is used in emergency, one end of the rope is fixed at the slow descending starting point, the other end of the rope is thrown down from the slow descending starting point to be positioned at the slow descending terminal point, the safety belt fixing device is quickly rotated to twist the rope into a twist shape, a slow descending person wears the safety belt and fixes the safety belt on the safety belt fixing device, the rope can start to slowly descend, the operation is simple, the friction force of the twisted rope is large, the descending process is slow, and the relative safety can be guaranteed even if the rope is hurried and stretched in emergency.
Description
Technical Field
The invention relates to the technical field of personnel slow descending equipment, in particular to a twisted rope type slow descending device.
Background
With the intensive personnel and the development of the building industry, high-rise buildings are more and more for people to live, work and the like, when a fire disaster or other dangerous situations occur on a high rise, if people escape from stairs, the consumed time is long, and the people escape in the mode obviously very dangerous under the conditions of smoke diffusion and time emergency, and the existing fire fighting facilities cannot quickly and effectively extinguish fire and rescue the high rise, so that the mode of directly descending and escaping from the outdoor of the high rise is more feasible.
The existing descent control device is generally high in price, is not suitable for being stored in a common family, is complex in use mode and high in descending speed, and is easy to cause hurry in emergency.
Disclosure of Invention
In view of the above, there is a need for a twisted rope descent control device with simple usage and slow descent speed.
A rope-twisting slow descending device comprises a rope-twisting pulley, a safety belt fixing device, a rope-twisting positioning device and a rope, wherein the axis center of the rope-twisting pulley is rotatably connected with the safety belt fixing device so that the rope-twisting pulley can rotate relative to the safety belt fixing device, the safety belt fixing device is positioned below the rope-twisting positioning device and rotatably connected with the rope-twisting pulley so that the safety belt fixing device and the rope-twisting pulley can rotate relative to the rope-twisting positioning device, the rotation axis of the rope-twisting pulley is vertical to the rotation axis of the safety belt fixing device, two ends of the rope respectively wind over two sides and pass through the rope-twisting positioning device together, the rope is twisted into a twist shape by rotating the safety belt fixing device, one end of the rope is fixed at a slow descending starting point, the other end of the rope is placed at a slow descending terminal point, the rope is embedded in a groove of the rope-twisting pulley, so that when a slow descending person slowly descends, the rope-twisting, thereby driving the slowly descending personnel to descend.
Preferably, safety belt fixing device includes connecting piece, couple, and the wiring pulley all sets up on the connecting piece with the couple, and the connecting piece rotates with the locating device of turning round the rope to it is rotatory to make the connecting piece rotatory to drive the wiring pulley and the couple, and the couple is used for hanging on the safety belt, fixes on slowly falling personnel's body through the safety belt.
Preferably, turn round rope positioner and include the bracing piece, go up the positioning disk, lower positioning disk, the both ends of bracing piece respectively with last positioning disk, lower positioning disk fixed connection, go up the positioning disk, the positioning disk is coaxial concentric down, go up the positioning disk and all seted up U type groove with lower positioning disk, and U type groove all is opened to the center from the edge, so that the rope passes supreme positioning disk or the center location of lower positioning disk from U type groove, the connecting piece rotates with the center of positioning disk down to be connected, the positioning disk under and passing in proper order together behind the both sides of wiring pulley, go up the positioning disk at the both ends of rope.
Preferably, the ware slowly falls to twisted rope formula still includes speed adjusting device, speed adjusting device is connected with last positioning disk, speed adjusting device includes that quantity is two double-layered rope spare, the connection handle, the handle, two double-layered rope spare are connected with two connection handles respectively, the one end of two connection handles rotates with the relative both sides of last positioning disk respectively and is connected, so that two connection handles can rotate to the direction that is close to each other and keeps away from each other, and then drive two double-layered rope spare and be close to each other and press from both sides tight rope or keep away from each other and loosen the rope, two handles set up the other end at two connection handles respectively, and there is the contained angle in handle and the connection handle that corresponds each other, so that slowly fall personnel grasp handle operation double-layered rope spare and press from both sides tightly or loosen the rope, and then adjustment falling speed, the double-layered rope spare that corresponds.
Preferably, the rope-twisting descent control device further comprises an emergency stop device, the emergency stop device is arranged on the upper positioning plate, the emergency stop device comprises a chuck plate, at least three clamping pieces and a force application rod, the chuck plate is rotatably connected with the upper positioning plate, a groove is formed in the center of the chuck plate, the clamping pieces are uniformly distributed and embedded in the groove, the clamping pieces are slidably connected with the chuck plate, one ends of all the clamping pieces are opposite to each other to form a gap, two ends of a rope penetrate through the gap, the clamping pieces axially rotate towards one direction, all the clamping pieces slide towards the direction close to each other to clamp the rope, the chuck plate axially rotates towards the other opposite direction, all the clamping pieces slide towards the direction far away from each other to loosen the rope, one end of the force application rod is fixedly connected with the chuck plate, and the force application.
Preferably, the positioning device for twisting the rope further comprises a positioning buckle, and the positioning buckle is arranged on the upper positioning disc, so that the other end of the rope passes through the positioning buckle and then is placed at the slow descending terminal point, and further the other end of the rope is prevented from being separated when rising.
Preferably, the handle is connected with the other end of the connecting handle in a rotating mode, the minimum rotating angle of the handle is parallel to the connecting handle and clings to the upper half part of the connecting handle, and the maximum rotating angle of the handle is perpendicular to the connecting handle, so that the handle can be folded and stored and the handle can be held by a user of a descent control personnel conveniently.
Preferably, the rope-twisting descent control device further comprises a shell, and the rope winding pulley, the safety belt fixing device, the handle and the force application rod are located outside the shell, so that the descent control device is convenient to fix and operate by descent control personnel.
Preferably, turn round rope formula and slowly fall ware still includes automatic deceleration device, automatic deceleration device includes central controller, controllable electromagnetism piece, infrared distance measuring sensor fixes on the shell, and be close to the shell lower part, with the distance that detects self and ground, controllable electromagnetism piece is no less than two, be fixed with on every presss from both sides the rope piece and be no less than one controllable electromagnetism piece, infrared distance measuring sensor, controllable electromagnetism piece all with central controller electric connection, so that infrared distance measuring sensor gives central controller with distance data transmission, central controller is according to the magnetism of the controllable electromagnetism piece of distance data control, move to the direction that is close to each other with driving two clamp rope pieces, and then press from both sides the rope and slow down.
Preferably, the central controller comprises a data comparison module and an electromagnetic control module, wherein the output end of the infrared distance measuring sensor is electrically connected with the input end of the data comparison module, the output end of the data comparison module is electrically connected with the input end of the electromagnetic control module, and the output end of the electromagnetic control module is electrically connected with the control end of the controllable electromagnetic block; the infrared distance measurement sensor transmits measured distance data to the data comparison module, the data comparison module receives the distance data and compares the distance data with prestored data, if the distance data is not larger than the prestored data, a starting signal is generated and transmitted to the electromagnetic control module, and the electromagnetic control module receives the starting signal and controls the magnetism of the controllable electromagnetic block, so that the controllable electromagnetic block drives the two rope clamping pieces to clamp the rope for deceleration.
By adopting the technical scheme, the invention has the beneficial effects that: the rope is firstly inserted into the groove of the rope winding pulley, the two ends of the rope are combined together and pass through the rope twisting positioning device, one end of the rope is obviously shorter than the other end of the rope, the device is stored, when the device is used in an emergency, only one end of the rope needs to be fixed at the slow descending starting point, the other end of the rope is thrown down from the slow descending starting point to be positioned at the slow descending terminal point, the safety belt fixing device is rotated fast to twist the rope into a twist shape, and a slow descending person wears the safety belt and fixes the safety belt on the safety belt fixing device to start slow descending.
Drawings
Fig. 1 is a schematic structural view of a twisted rope descent control device.
Fig. 2 is a schematic structural view of a twisted rope descent control device without a casing.
Fig. 3 is a schematic view of the fitting of the rope winding pulley with the belt fixing device.
Fig. 4 is a schematic structural view of the twisted rope positioning device and the speed regulating device.
Fig. 5 is a schematic structural view of the twisted rope positioning device.
Fig. 6 is a schematic structural diagram of the governor device.
Fig. 7 is a schematic structural diagram of the emergency stop device.
Fig. 8 is a schematic structural diagram of the automatic deceleration device.
In the figure: the rope-twisting descent control device comprises a rope-twisting descent control device 10, a rope-winding pulley 20, a safety belt fixing device 30, a connecting piece 31, a hook 32, a rope-twisting positioning device 40, a supporting rod 41, an upper positioning disk 42, a lower positioning disk 43, a positioning buckle 44, a rope 50, a speed regulating device 60, a rope clamping piece 61, a connecting handle 62, a handle 63, an emergency stop device 70, a chuck 71, a clamping piece 72, an application rod 73, a shell 80, an automatic deceleration device 90, a central controller 91, a data comparison module 911, an electromagnetic control module 912, a controllable electromagnetic block 92 and an infrared distance measuring sensor 93.
Detailed Description
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.
Referring to fig. 1 and 2, an embodiment of the present invention provides a twisted rope type descent control device 10, including a rope winding pulley 20, a safety belt fixing device 30, a rope winding positioning device 40, and a rope 50, wherein an axis of the rope winding pulley 20 is rotatably connected to the safety belt fixing device 30 so that the rope winding pulley 20 can rotate relative to the safety belt fixing device 30, the safety belt fixing device 30 is located below the rope winding positioning device 40 and rotatably connected to the rope winding pulley 20 so that the safety belt fixing device 30 and the rope winding pulley 20 can rotate relative to the rope winding positioning device 40, a rotation axis of the rope winding pulley 20 is perpendicular to a rotation axis of the safety belt fixing device 30, two ends of the rope 50 respectively pass over two sides of the rope winding pulley 20 and pass through the rope winding positioning device 40 together, the rope 50 is twisted into a twisted shape by rotating the safety belt fixing device 30, one end of the rope 50 is fixed at a descent control starting point, and the other end of the rope 50 is placed at a descent control ending point, the rope 50 is embedded in the groove of the rope winding pulley 20, so that when the slowly descending personnel slowly descend, the rope winding pulley 20 rotates to drive the two ends of the rope 50 to ascend and descend one by one, and the slowly descending personnel are driven to descend. The material of the rope 50 is a high temperature resistant metal material.
Referring to fig. 3, further, the safety belt fixing device 30 includes a connecting member 31 and a hook 32, the rope winding pulley 20 and the hook 32 are both disposed on the connecting member 31, the connecting member 31 is rotatably connected to the rope twisting positioning device 40, so that the connecting member 31 rotates to drive the rope winding pulley 20 and the hook 32 to rotate, and the hook 32 is used for being hung on the safety belt to be fixed on the body of the descent control personnel through the safety belt.
Referring to fig. 4 and 5, further, the rope twisting positioning device 40 includes a supporting rod 41, an upper positioning plate 42, and a lower positioning plate 43, two ends of the supporting rod 41 are respectively fixedly connected to the upper positioning plate 42 and the lower positioning plate 43, the upper positioning plate 42 and the lower positioning plate 43 are coaxial and concentric, both the upper positioning plate 42 and the lower positioning plate 43 are provided with U-shaped grooves, and the U-shaped grooves are both opened from the edge to the center, so that the rope 50 passes through the U-shaped grooves to the center of the upper positioning plate 42 or the lower positioning plate 43 for positioning, the connecting member 31 is rotatably connected to the center of the lower positioning plate 43, two ends of the rope 50 pass around two sides of the rope winding pulley 20 and then sequentially pass through the lower positioning plate 43 and the upper positioning plate 42 together.
Referring to fig. 4 and 6, further, the twisted rope descent control device 10 further includes a speed adjusting device 60, the speed adjusting device 60 is connected to the upper positioning plate 42, the speed adjusting device 60 includes two rope clamping members 61, two connecting handles 62 and two handles 63, the two rope clamping members 61 are respectively connected to the two connecting handles 62, one ends of the two connecting handles 62 are respectively rotatably connected to two opposite sides of the upper positioning plate 42, so that the two connecting handles 62 can rotate in a direction of approaching to and separating from each other, and further the two rope clamping members 61 are driven to approach to or separate from each other to loosen the rope 50, the two handles 63 are respectively disposed at the other ends of the two connecting handles 62, and an included angle exists between the corresponding handles 63 and the corresponding connecting handles 62, so that when a descent control person grasps the handle 63 to operate the rope clamping members 61 to clamp or loosen the rope 50, and further adjust the descent speed, the corresponding rope clamping members 61 and the corresponding handles 63 are respectively disposed at two opposite sides of the connecting handles 62, the largest handle 62 is a rotation angle ~ 60 which is the nearest to the connecting handle 62, and when the palm of the handle 62 and the handle 62 is in a palm, the palm friction between the handle is increased, and the handle is a coarse friction between the handle of the handle 61 and the handle is increased when the handle is the handle, and the coarse handle is increased.
Referring to fig. 7, further, the rope twisting descent control device 10 further includes an emergency stop device 70, the emergency stop device 70 is disposed on the upper positioning plate 42, the emergency stop device 70 includes a clamping plate 71, three clamping members 72, and a force applying rod 73, the clamping plate 71 is rotatably connected to the upper positioning plate 42, a groove is formed in the center of the clamping plate 71, the clamping members 72 are uniformly distributed and embedded in the groove, the clamping members 72 are slidably connected to the clamping plate 71, one end of each clamping member 72 faces each other to form a gap, two ends of the rope 50 pass through the gap, the clamping plate 71 is axially rotated in one direction, all the clamping members 72 slide in a direction approaching each other to clamp the rope 50, the clamping plate 71 is axially rotated in the other opposite direction, all the clamping members 72 slide in a direction away from each other to release the rope 50, one end of the force applying rod 73 is fixedly connected to the clamping plate 71 to pull the force applying rod 73 to rotate the clamping. The opposite ends of the three clamping members 72 are roughened to increase the friction between the clamping members 72 and the cable 50 during a hard stop, and the hard stop device 70 is located on the lower portion of the upper puck 42.
Referring to fig. 4 and 5, the twisted rope positioning device 40 further includes a positioning buckle 44, and the positioning buckle 44 is disposed on the upper positioning plate 42, so that the other end of the rope 50 passes through the positioning buckle 44 and then is placed at the slow descending end point, thereby preventing the other end of the rope 50 from being separated when ascending.
Referring to fig. 4 and 6, further, the handle 63 is rotatably connected to the other end of the connecting handle 62, the handle 63 rotates at a minimum angle to be parallel to the connecting handle 62 and to be closely attached to the upper half portion of the connecting handle 62, and the handle 63 rotates at a maximum angle to be perpendicular to the connecting handle 62, so as to be conveniently folded for storage and convenient for being held by the hand of the descent control personnel.
Referring to fig. 1, further, the rope-twisting descent control device 10 further includes a housing 80, and the rope-winding pulley 20, the safety belt fixing device 30, the handle 63, and the force-applying rod 73 are all located outside the housing 80, so as to facilitate the fixing and operation of the descent control device.
Referring to fig. 8, further, the rope-twisting descent control device 10 further includes an automatic deceleration device 90, the automatic deceleration device includes a central controller 91, controllable electromagnetic blocks 92 and an infrared distance measuring sensor 93, the infrared distance measuring sensor 93 is fixed on the housing 80 and is close to the lower portion of the housing 80 to detect the distance between itself and the ground, the number of the controllable electromagnetic blocks 92 is not less than two, at least one controllable electromagnetic block 92 is fixed on each rope clamping member 61, the infrared distance measuring sensor 93 and the controllable electromagnetic block 92 are electrically connected to the central controller 91, so that the infrared distance measuring sensor 93 transmits distance data to the central controller 91, and the central controller 91 controls the magnetism of the controllable electromagnetic block 92 according to the distance data to drive the two rope clamping members 61 to move in the direction of approaching each other, thereby decelerating the clamping rope 50.
Referring to fig. 8, further, the central controller 91 includes a data comparison module 911 and an electromagnetic control module 912, an output end of the infrared distance measuring sensor 93 is electrically connected to an input end of the data comparison module 911, an output end of the data comparison module 911 is electrically connected to an input end of the electromagnetic control module 912, and an output end of the electromagnetic control module 912 is electrically connected to a control end of the controllable electromagnetic block 92; the infrared distance measuring sensor 93 transmits measured distance data to the data comparison module 911, the data comparison module 911 receives the distance data and compares the distance data with pre-stored data, if the distance data is not greater than the pre-stored data, a starting signal is generated and transmitted to the electromagnetic control module 912, and the electromagnetic control module 912 receives the starting signal and controls the magnetism of the controllable electromagnetic block 92, so that the controllable electromagnetic block 92 drives the two rope clamping pieces 61 to clamp the rope 50 for deceleration. The data comparison module 911 prestores distance data of 50 meters, that is, when the distance between the infrared distance measuring sensor 93 and the ground is equal to or less than 50 meters, the slow descent speed automatically descends. The central controller 91 is a VAR single chip.
Before the device is used specifically, two ends of a rope 50 respectively penetrate through two sides of a rope winding pulley 20 and are embedded in a groove of the rope winding pulley 20, the two ends of the rope 50 are combined together and sequentially penetrate through a lower positioning disc 43, a gap of a clamping piece 72 and an upper positioning disc 42, one end of the rope 50 is obviously shorter than the other end of the rope, the other end of the rope 50 penetrates through a positioning buckle 44, and the device is stored for use;
when the device is used specifically, one end of the rope 50 is fixed at the slow descending starting point, the other end of the rope 50 is thrown down from the slow descending starting point to be located at the slow descending terminal point, the safety belt fixing device 30 is rotated fast to twist the rope 50 into a twist shape, a slow descending person wears a safety belt and fixes the safety belt on the safety belt fixing device 30, the handle 63 is opened, the slow descending person holds the handle 63 with both hands to start slow descending, the automatic deceleration device 90 automatically decelerates in the slow descending process, the handle 63 applies force to regulate the speed according to actual conditions, in the slow descending process, the force applying rod 73 can be rotated forcefully according to actual conditions, the clamping piece 72 clamps the rope 50 rapidly, and emergency stop is achieved.
While the invention has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the spirit and scope of the invention.
Claims (10)
1. The utility model provides a turn round rope formula ware that slowly falls which characterized in that: the rope fixing device is positioned below the twisting rope positioning device and is connected with the twisting rope positioning device in a rotating way so that the safety belt fixing device and the twisting rope pulley can rotate relative to the twisting rope positioning device, the rotation axis of the twisting rope pulley is vertical to the rotation axis of the safety belt fixing device, two ends of the rope respectively bypass two sides and pass through the twisting rope positioning device together, the rope is twisted into a twist shape by rotating the safety belt fixing device, one end of the rope is fixed at a slow descending starting point, the other end of the rope is placed at a slow descending terminal point, the rope is embedded in a groove of the twisting rope pulley, so that when a slow descending person slowly descends, the two ends of the rope are driven to ascend and descend by the rotation of the twisting rope pulley, thereby driving the slowly descending personnel to descend.
2. The twisted rope descent control device of claim 1, wherein: the safety belt fixing device comprises a connecting piece and a hook, the rope winding pulley and the hook are arranged on the connecting piece, the connecting piece is rotatably connected with the rope twisting positioning device, so that the connecting piece rotates to drive the rope winding pulley and the hook to rotate, and the hook is used for being hung on a safety belt and fixed on the body of a person slowly falling through the safety belt.
3. The twisted rope descent control device of claim 2, wherein: it includes the bracing piece to turn round rope positioner, go up the positioning disk, positioning disk down, the both ends of bracing piece respectively with last positioning disk, positioning disk fixed connection down, go up the positioning disk, the positioning disk is coaxial concentric down, go up the positioning disk and all seted up U type groove with positioning disk down, and U type groove all is opened to the center from the edge, so that the rope passes supreme positioning disk or the center location of positioning disk down from U type groove, the connecting piece rotates with the center of positioning disk down to be connected, the positioning disk under and passing in proper order together behind the both sides of wiring pulley, go up the positioning disk at the both ends of rope.
4. The twisted rope descent control device of claim 3, wherein: still include speed adjusting device, speed adjusting device is connected with last positioning disk, speed adjusting device includes that quantity is the double-layered rope spare of two, the connection handle, the handle, two double-layered rope spare are connected with two connection handles respectively, the one end of two connection handles rotates with the relative both sides of last positioning disk respectively and is connected, so that two connection handles can rotate to the direction of being close to each other and keeping away from each other, and then drive two double-layered rope spare and be close to each other and press from both sides tight rope or keep away from each other and loosen the rope, two handles set up the other end at two connection handles respectively, and the handle that corresponds each other has the contained angle with the connection handle, so that slowly fall personnel grasp handle operation double-layered rope spare and press from both sides tightly or loosen the rope, and then adjustment falling speed, the double-layered rope spare that corresponds.
5. The twisted rope descent control device of claim 4, wherein: still include the scram device, the scram device sets up on last positioning disk, the scram device includes the (holding) chuck, be no less than three folder, the application of force pole, the (holding) chuck rotates with last positioning disk to be connected, the (holding) chuck center is seted up flutedly, folder evenly distributed inlays in the recess, and folder and (holding) chuck sliding connection, the one end of all folders is just right each other, form the space, the both ends of rope all pass from this space, to a direction axial rotation (holding) chuck, all folders slide to the direction that is close to each other, with pressing from both sides tight rope, to another opposite direction axial rotation (holding) chuck, all folders slide to the direction of keeping away from each other, with unclamping the rope, the one end and the (holding) chuck fixed connection of.
6. The twisted rope descent control device of claim 5, wherein: the rope twisting positioning device further comprises a positioning buckle which is arranged on the upper positioning disc, so that the other end of the rope passes through the positioning buckle and then is placed at a slow-descending terminal point, and the other end of the rope is prevented from being separated from the slow-descending terminal point when rising.
7. The twisted rope descent control device of claim 6, wherein: the handle is connected with the other end of the connecting handle in a rotating mode, the minimum rotating angle of the handle is parallel to the connecting handle and clings to the upper half part of the connecting handle, and the maximum rotating angle of the handle is perpendicular to the connecting handle, so that the handle can be folded and stored and is convenient for a person slowly falling to hold the handle.
8. The twisted rope descent control device of claim 7, wherein: the rope winding pulley, the safety belt fixing device, the handle and the force application rod are all located outside the shell, so that the slow descending personnel can be fixed and operated conveniently.
9. The twisted rope descent control device of claim 4 ~ 8, further comprising an automatic deceleration device, wherein the automatic deceleration device comprises a central controller, controllable electromagnetic blocks, and infrared distance measuring sensors, the infrared distance measuring sensors are fixed on the housing and close to the lower portion of the housing to detect the distance between the infrared distance measuring sensors and the ground, the number of the controllable electromagnetic blocks is not less than two, each rope clamping member is fixed with not less than one controllable electromagnetic block, the infrared distance measuring sensors and the controllable electromagnetic blocks are electrically connected with the central controller, so that the infrared distance measuring sensors transmit distance data to the central controller, and the central controller controls the magnetism of the controllable electromagnetic blocks according to the distance data to drive the two rope clamping members to move in the direction of approaching each other, thereby clamping the ropes to decelerate.
10. The twisted rope descent control device of claim 9, wherein: the central controller comprises a data comparison module and an electromagnetic control module, wherein the output end of the infrared distance measuring sensor is electrically connected with the input end of the data comparison module, the output end of the data comparison module is electrically connected with the input end of the electromagnetic control module, and the output end of the electromagnetic control module is electrically connected with the control end of the controllable electromagnetic block; the infrared distance measurement sensor transmits measured distance data to the data comparison module, the data comparison module receives the distance data and compares the distance data with prestored data, if the distance data is not larger than the prestored data, a starting signal is generated and transmitted to the electromagnetic control module, and the electromagnetic control module receives the starting signal and controls the magnetism of the controllable electromagnetic block, so that the controllable electromagnetic block drives the two rope clamping pieces to clamp the rope for deceleration.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201911100470.4A CN110639135B (en) | 2019-11-12 | 2019-11-12 | Rope twisting type descent control device |
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|---|---|---|---|
| CN201911100470.4A CN110639135B (en) | 2019-11-12 | 2019-11-12 | Rope twisting type descent control device |
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| CN110639135A true CN110639135A (en) | 2020-01-03 |
| CN110639135B CN110639135B (en) | 2024-01-23 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112006418A (en) * | 2020-08-26 | 2020-12-01 | 浙江云门工业设计有限公司 | Movable hammock |
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| GB8928690D0 (en) * | 1989-12-20 | 1990-02-28 | Pai Yang Kwan | A safety controller for high-building escapee |
| CN2369702Y (en) * | 1999-01-04 | 2000-03-22 | 上海发明协会 | Life saving device in high building |
| JP2000225204A (en) * | 1999-02-05 | 2000-08-15 | Kazuhiro Matsuoka | Self weight conversion load decelerating device |
| CN2719344Y (en) * | 2004-07-21 | 2005-08-24 | 李�和 | Building escape self-rescuing device |
| CN2794546Y (en) * | 2005-06-15 | 2006-07-12 | 许建伟 | Life saving slow landing device |
| CN2822683Y (en) * | 2005-07-05 | 2006-10-04 | 邱大銘 | Life-saving device convenient to hang |
| CN200977336Y (en) * | 2006-02-16 | 2007-11-21 | 陈晓忠 | Life-saving slow drop-down device for fire in building |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112006418A (en) * | 2020-08-26 | 2020-12-01 | 浙江云门工业设计有限公司 | Movable hammock |
| CN112006418B (en) * | 2020-08-26 | 2022-02-08 | 浙江云门工业设计有限公司 | Movable hammock |
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| CN110639135B (en) | 2024-01-23 |
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