CN112843519A - Falling protector for high-altitude operation - Google Patents
Falling protector for high-altitude operation Download PDFInfo
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- CN112843519A CN112843519A CN202110097688.XA CN202110097688A CN112843519A CN 112843519 A CN112843519 A CN 112843519A CN 202110097688 A CN202110097688 A CN 202110097688A CN 112843519 A CN112843519 A CN 112843519A
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- fall arrester
- falling
- block
- sliding grooves
- falling protector
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- 230000001012 protector Effects 0.000 title claims abstract description 32
- 238000004804 winding Methods 0.000 claims abstract description 21
- 238000006243 chemical reaction Methods 0.000 claims description 31
- 238000007789 sealing Methods 0.000 claims description 18
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 18
- 230000005484 gravity Effects 0.000 claims description 17
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 6
- 239000000463 material Substances 0.000 claims description 4
- 229910052742 iron Inorganic materials 0.000 claims description 3
- 239000002245 particle Substances 0.000 claims description 3
- 230000002265 prevention Effects 0.000 claims description 3
- 238000010276 construction Methods 0.000 claims 6
- 230000035945 sensitivity Effects 0.000 abstract description 4
- 239000006052 feed supplement Substances 0.000 description 6
- 239000008187 granular material Substances 0.000 description 5
- 230000000694 effects Effects 0.000 description 2
- 230000003628 erosive effect Effects 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 230000001502 supplementing effect Effects 0.000 description 1
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Classifications
-
- 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
- A62B35/0043—Lifelines, lanyards, and anchors therefore
-
- 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
- A62B35/0025—Details and accessories
- A62B35/0037—Attachments for lifelines and lanyards
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- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Emergency Lowering Means (AREA)
Abstract
The invention relates to the technical field of falling protectors, in particular to a falling protector for high-altitude operation, which comprises a falling protector shell, a first connecting hook, a second connecting hook connected with the falling protector shell through a connecting rope and a winding roll rotatably arranged in the falling protector shell, wherein a safety rope is wound on the winding roll and is connected with the first connecting hook; whole device is higher for traditional safety hook sensitivity, can trigger locking work in the twinkling of an eye at the occurence of failure, just can easily carry out the work of resetting with inside locking structure under the condition of not dismounting device moreover, and the practicality is higher.
Description
Technical Field
The invention relates to the technical field of falling protectors, in particular to a falling protector for high-altitude operation.
Background
The safety catch is also called a speed difference device, and is a product with a protection function. The safety catch is provided with a locking mechanism inside. When the anti-falling device works normally, the anti-falling device is in a semi-tense state, so that an operator has no traction feeling. In case of the falling due to the loss of feet, the pulling speed of the safety rope is obviously accelerated, and the locking mechanism in the device automatically locks.
The existing falling protector is simple in structure and low in sensitivity, so that the displacement of falling workers in high-altitude operation is large, certain damage to human bodies can be caused, and the falling protector needs to be detached for resetting after the internal locking structure of the existing falling protector triggers the operation, and is very inconvenient.
Disclosure of Invention
The invention aims to provide a falling protector for high-altitude operation, which solves the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme:
a falling protector for high-altitude operation comprises a falling protector shell, a first connecting hook, a second connecting hook connected with the falling protector shell through a connecting rope, and a winding roll rotatably installed in the falling protector shell, wherein a safety rope is wound on the winding roll and is connected with the first connecting hook, a falling prevention locking mechanism is arranged in the falling protector shell and comprises a ratchet fixedly installed in the falling protector shell, a locking roll coaxially and fixedly installed with the winding roll and a plurality of groups of locking units circumferentially arranged on the locking roll, each locking unit comprises a sliding block, a pawl rotatably installed on the sliding block and matched with the ratchet, and two gravity balls symmetrically arranged relative to the sliding block, a plurality of first sliding grooves and a plurality of groups of second sliding grooves are circumferentially arranged on the locking roll, one group of second sliding grooves are symmetrically arranged relative to the first sliding grooves, and the sliding block and the gravity balls are respectively slidably installed in the first sliding grooves and the second sliding grooves, the anti-falling locking mechanism is characterized in that the slider and the first chute are connected through an elastic part, the gravity ball is elastically connected with the second chute, a torsion spring is arranged between the pawl and the slider, a limiting rod is slidably arranged on one side of the slider, which is located on the pawl, a telescopic rod is fixedly arranged in the first chute, a first trapezoidal block is fixedly arranged at the output end of the telescopic rod, the fixed ends of the first trapezoidal block and the telescopic rod are elastically connected, the first trapezoidal block and the gravity ball are connected through a connecting rope, a second trapezoidal block matched with the first trapezoidal block is fixedly arranged on the slider in a symmetrical mode, and the anti-falling locking mechanism further comprises a resetting unit.
Further: the ratchet wheel and the take-up reel are concentric.
Further: the elastic piece is a spring.
Further: the reset unit is including setting up the first electro-magnet in the slider, with the coaxial fixed mounting's of take-up reel second electro-magnet, two symmetries lay briquetting and two sets of contacts on the safety hook shell, the gag lever post is the iron material, and the one end of briquetting slides and inserts and establish in the safety hook shell and elastic connection between the two, and is a set of the contact is fixed mounting respectively on the one end of briquetting and the opposite face of safety hook shell.
And further: the falling protector shell is further symmetrically and slidably embedded with two balls, and one end of the safety rope is clamped between the balls in a sliding mode.
And further: and a waterproof mechanism is arranged in the falling protector shell.
And further: waterproof mechanism includes closing plate, two actuating levers and two drive blocks that two symmetries were laid, the one end of closing plate is together articulated with the safety hook shell, and the other end is equipped with the grooving with safety rope looks adaptation, drive block symmetry slidable mounting is in the safety hook shell, and the drive block passes through the actuating lever and the closing plate is articulated, it has the cylinder that is used for driving the drive block to go back symmetry fixed mounting in the safety hook shell, and the safety hook shell in still the symmetry be equipped with a plurality of holes of falling into water, the bottom still symmetry is equipped with two reaction chambers in the safety hook shell, and the reaction intracavity is filled there is the reaction granule of meeting water reaction production gas, be equipped with the water inlet between reaction chamber and the safety hook shell, it has the hinge door to go into to articulate in the water inlet, and the articulated department of hinge door is equipped with the torsional spring.
And further: and the falling protector shell is also provided with a feed supplement hole communicated with the reaction cavity, and the feed supplement hole is internally connected with a sealing cover through threads.
Compared with the prior art, the technical scheme provided by the invention has the following beneficial effects:
1. the invention is provided with a ratchet wheel, a rolling ball, a locking disc, a first chute, a spring, a slide block, a pawl, a second chute, a gravity ball, a limit rod, a telescopic rod, a first trapezoid block, a second trapezoid block, a first electromagnet, a second electromagnet, a pressing block and a contact, when a worker working at high altitude suddenly falls, the locking disc rotates at high speed along with a winding disc, the gravity ball slides outwards along the second chute under the action of centrifugal force, the first trapezoid block is driven to move through a connecting rope and is separated from the constraint of the second trapezoid block, the slide block moves outwards along the first chute relative to the locking disc under the action of elastic restoring force of the spring, the pawl and the ratchet wheel are driven to be occluded and clamped, the locking disc and the winding disc stop rotating in time, the life safety of the worker is protected, and the pressing block is pressed simultaneously by two hands, make and to switch on between first electro-magnet and the second electro-magnet and inhale mutually, and the second electro-magnet provides gravitation to the gag lever post, make the relative slider of gag lever post remove, and then realize the reset work to slider and pawl, and lock once more to the position of slider through first trapezoidal piece and second trapezoidal piece, whole device is higher for traditional safety hook sensitivity, can trigger locking work in the twinkling of an eye at the occurence of failure, and just can easily carry out reset work with inside locking structure under the condition of not dismounting device, the practicality is higher.
2. According to the anti-falling device, the sealing plates, the driving rod, the driving block, the air cylinder, the sealing cover, the water falling hole, the reaction cavity and the hinged door are arranged, when rainwater enters the anti-falling device shell, the rainwater enters the reaction cavity along the water falling hole and the water inlet to react with reaction particles and generate a large amount of gas, the gas is injected into the air cylinder through the connecting pipe to drive the driving block to move relative to the anti-falling device shell, the two sealing plates are driven to rotate oppositely and close along the hinged positions of the sealing plates under the action of the driving rod, the winding disc and the anti-falling locking mechanism are further subjected to sealing protection work, the reduction of friction force between internal high-precision structures due to rainwater erosion is avoided, the normal use of the device in rainwater weather is ensured, and the sealing cover and the material supplementing hole are arranged, so.
Drawings
FIG. 1 is a schematic structural view of a safety catcher for aerial work;
FIG. 2 is an enlarged partial structural view of a part A of the falling protector for high-altitude operation;
FIG. 3 is an enlarged partial structural view of a falling protector for high-altitude operation at the position B;
FIG. 4 is an enlarged partial structural view of a safety hook for aerial work at the position C;
FIG. 5 is a schematic structural diagram of a slide block and a pawl in the falling protector for high-altitude operation.
The reference numerals in the schematic drawings illustrate:
1-a safety catch shell, 2-a first connecting hook, 3-a second connecting hook, 4-a winding roll, 5-a ratchet wheel, 6-a safety rope, 7-a ball, 8-a locking disc, 9-a first chute, 10-a spring, 11-a slide block, 12-a pawl, 13-a second chute, 14-a gravity ball, 15-a limiting rod, 16-a telescopic rod, 17-a first trapezoidal block, 18-a second trapezoidal block, 19-a first electromagnet, 20-a second electromagnet, 21-a sealing plate, 22-a driving rod, 23-a driving block, 24-a cylinder, 25-a sealing cover, 26-a water falling hole, 27-a reaction cavity, 28-a hinged door, 29-a pressing block and 30-a contact.
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 obtained by a person skilled in the art without making any creative effort based on the embodiments of the present invention, belong to the protection scope of the present invention, and the present invention is further described with reference to the embodiments below.
Referring to fig. 1, 2, 4 and 5, in an embodiment of the present invention, a safety hook for high-altitude operation includes a safety hook housing 1, a first connecting hook 2, a second connecting hook 3 connected to the safety hook housing 1 via a connecting rope, and a wire winding reel 4 rotatably installed in the safety hook housing 1, a safety rope 6 is wound around the wire winding reel 4, the safety rope 6 is connected to the first connecting hook 2, an anti-falling locking mechanism is installed in the safety hook housing 1, the anti-falling locking mechanism includes a ratchet 5 fixedly installed in the safety hook housing 1, a locking reel 8 coaxially and fixedly installed with the wire winding reel 4, and a plurality of sets of locking units circumferentially arranged on the locking reel 8, the ratchet 5 and the wire winding reel 4 are concentric, the locking units include a slider 11, a pawl 12 rotatably installed on the slider 11 and adapted to the ratchet 5, and two gravity balls 14 symmetrically arranged with respect to the slider 11, a plurality of first sliding grooves 9 and a plurality of groups of second sliding grooves 13 are circumferentially arranged on the locking disc 8, one group of second sliding grooves 13 are symmetrically arranged relative to the first sliding grooves 9, the sliding block 11 and the gravity ball 14 are respectively slidably mounted in the first sliding grooves 9 and the second sliding grooves 13, the sliding block 11 is connected with the first sliding grooves 9 through an elastic part, the elastic part is a spring 10, the gravity ball 14 is elastically connected with the second sliding grooves 13, a torsion spring is arranged between the pawl 12 and the sliding block 11, a limiting rod 15 is slidably mounted on one side of the pawl 12 on the sliding block 11, telescopic rods 16 are symmetrically and fixedly mounted in the first sliding grooves 9, a first trapezoidal block 17 is fixedly mounted at the output end of the telescopic rods 16, the first trapezoidal block 17 is elastically connected with the fixed end of the telescopic rod 16, the first trapezoidal block 17 is connected with the gravity ball 14 through a connecting rope, and second trapezoidal blocks 18 matched with the first trapezoidal block 17 are symmetrically and fixedly mounted on the sliding block 11, the anti-falling locking mechanism further comprises a reset unit;
the reset unit is including setting up first electro-magnet 19 in slider 11, laying briquetting 29 and two sets of contacts 30 on the safety hook shell 1 with the coaxial fixed mounting's of take-up reel second electro-magnet 20, two symmetries, gag lever post 15 is the iron material, and the one end of briquetting 29 slides and inserts and establish in the safety hook shell 1 and elastic connection between the two, and is a set of contact 30 is fixed mounting respectively on the one end of briquetting 29 and the opposite face of safety hook shell 1.
When a worker working aloft suddenly falls, the locking disc 8 rotates at a high speed along with the winding disc 4, under the action of centrifugal force, the gravity ball 14 slides outwards along the second chute 13, the first trapezoidal block 17 is driven to move through the connecting rope and is separated from the constraint of the second trapezoidal block 18, under the action of elastic restoring force of the spring 10, the sliding block 11 moves outwards along the first chute 9 relative to the locking disc 8, the pawl 12 is driven to be meshed and clamped with the ratchet wheel 5, the locking disc 8 and the winding disc 4 stop rotating in time, the life safety of the constructor is protected, the pressing block 29 is pressed simultaneously through two hands, the first electromagnet 19 and the second electromagnet 20 are electrified and attracted, the second electromagnet 20 provides attractive force for the limiting rod 15, the limiting rod 15 moves relative to the sliding block 11, and the resetting work of the sliding block 11 and the pawl 12 is realized, and through first trapezoidal piece 17 and second trapezoidal piece 18 locking once more to the position of slider 11, whole device is higher for traditional safety hook sensitivity, can trigger locking work in the twinkling of an eye of occurence of failure, just can easily carry out the work of resetting with inside locking structure under the condition of not dismounting device moreover, and the practicality is higher.
Further, referring to fig. 1 and fig. 3, as a preferred embodiment of the present invention, two balls 7 are symmetrically and slidably embedded on the fall arrester housing 1, one end of the safety rope 6 is slidably clamped between the balls 7, a waterproof mechanism is disposed in the fall arrester housing 1, the waterproof mechanism includes two sealing plates 21 symmetrically disposed, two driving rods 22 and two driving blocks 23, one end of each sealing plate 21 is hinged to the fall arrester housing 1, the other end of each sealing plate 21 is provided with a rope groove adapted to the safety rope 6, the driving blocks 23 are symmetrically and slidably mounted in the fall arrester housing 1, the driving blocks 23 are hinged to the sealing plates 21 through the driving rods 22, cylinders 24 for driving the driving blocks 23 are symmetrically and fixedly mounted in the fall arrester housing 1, a plurality of water falling holes 26 are symmetrically disposed in the fall arrester housing 1, two reaction chambers 27 are symmetrically disposed in the bottom of the fall arrester housing 1, reaction chamber 27 intussuseption is filled with meets the water reaction and produces gaseous reaction particle, be equipped with the water inlet between reaction chamber 27 and the safety hook shell 1, it has hinged door 28 to go into to articulate in the water inlet, and hinged door 28's articulated department is equipped with the torsional spring, clockwise rotation can only be done to hinged door 28, still be equipped with the feed supplement hole with reaction chamber 27 intercommunication on the safety hook shell 1, and feed supplement downthehole through threaded connection have a closing cap 25, reaction chamber 27 passes through connecting pipe and cylinder 24 and connects.
When getting into the rainwater in the safety hook shell 1, the rainwater reacts with the reaction granule in getting into the reaction chamber 27 along with the hole 26 and the water inlet of falling into, and produce a large amount of gas, gaseous pours into cylinder 24 into through the connecting pipe in, drive block 23 and remove relative safety hook shell 1, and then through the effect of actuating lever 22, drive two closing plates 21 and rotate in opposite directions and be closed along its articulated department, and then seal protection work to take-up reel 4 and anti-falling locking mechanism, avoid rainwater erosion to cause the frictional force reduction between the structure of inside high accuracy, the normal use of device in rainwater weather has been guaranteed, and through setting up closing cap 25 and feed supplement hole, make the staff can carry out supplementary work to the reaction granule in the reaction chamber 27.
With the above embodiment, the working principle of the present invention is as follows:
when the invention is used, when a worker working aloft suddenly falls, the locking disc 8 rotates at a high speed along with the winding disc 4, the gravity ball 14 slides outwards along the second chute 13 under the action of centrifugal force, the first trapezoidal block 17 is driven by the connecting rope to move and be free from the constraint of the second trapezoidal block 18, the slide block 11 moves outwards along the first chute 9 relative to the locking disc 8 under the action of elastic restoring force of the spring 10, the pawl 12 is driven to be meshed and clamped with the ratchet wheel 5, the locking disc 8 and the winding disc 4 stop rotating in time, the life safety of the constructor is protected, the press block 29 is pressed by two hands simultaneously, the first electromagnet 19 and the second electromagnet 20 are electrified and attracted, the second electromagnet 20 provides attraction force for the limiting rod 15, the limiting rod 15 moves relative to the slide block 11, and the resetting work of the slide block 11 and the pawl 12 is realized, and the position of the slider 11 is locked again by the first and second blocks 17 and 18.
When getting into the rainwater in the safety hook shell 1, the rainwater reacts with the reaction granule in getting into the reaction chamber 27 along with the hole 26 and the water inlet of falling into, and produce a large amount of gas, gaseous pours into cylinder 24 into through the connecting pipe in, drive the relative safety hook shell 1 removal of drive block 23, and then through the effect of actuating lever 22, drive two closing plates 21 and rotate in opposite directions and be closed along its articulated department, and then seal protection work to take-up reel 4 and anti-falling locking mechanism, avoid the rainwater to corrode, and through setting up closing cap 25 and feed supplement hole, make the staff can carry out supplementary work to the reaction granule in the reaction chamber 27.
The present invention and its embodiments have been described above schematically, without limitation, and what is shown in the drawings is only one of the embodiments of the present invention, and the actual structure is not limited thereto. Therefore, if the person skilled in the art receives the teaching, without departing from the spirit of the invention, the person skilled in the art shall not inventively design the similar structural modes and embodiments to the technical solution, but shall fall within the scope of the invention.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (8)
1. The falling protector for the high-altitude operation comprises a falling protector shell (1), a first connecting hook (2), a second connecting hook (3) connected with the falling protector shell (1) through a connecting rope and a winding roll (4) rotatably installed in the falling protector shell (1), wherein a safety rope (6) is wound on the winding roll (4), the safety rope (6) is connected with the first connecting hook (2), the falling protector is characterized in that a falling prevention locking mechanism is arranged in the falling protector shell (1), the falling prevention locking mechanism comprises a ratchet wheel (5) fixedly installed in the falling protector shell (1), a locking roll (8) coaxially and fixedly installed with the winding roll (4) and a plurality of groups of locking units circumferentially arranged on the locking roll (8), the locking units comprise sliding blocks (11), pawls (12) rotatably installed on the sliding blocks (11) and matched with the ratchet wheel (5) and gravity balls (14) symmetrically arranged relative to the sliding blocks (11), the locking disc (8) is circumferentially provided with a plurality of first sliding grooves (9) and a plurality of groups of second sliding grooves (13), one group of second sliding grooves (13) are symmetrically arranged relative to the first sliding grooves (9), a sliding block (11) and a gravity ball (14) are respectively slidably mounted in the first sliding grooves (9) and the second sliding grooves (13), the sliding block (11) is connected with the first sliding grooves (9) through an elastic piece, the gravity ball (14) is elastically connected with the second sliding grooves (13), a torsion spring is arranged between the pawl (12) and the sliding block (11), a limiting rod (15) is slidably mounted on one side, located on the pawl (12), of the sliding block (11), telescopic rods (16) are symmetrically and fixedly mounted in the first sliding grooves (9), a first trapezoidal block (17) is fixedly mounted at the output end of each telescopic rod (16), and the first trapezoidal block (17) is elastically connected with the fixed end of each telescopic rod (16), the first trapezoidal block (17) is connected with the gravity ball (14) through a connecting rope, a second trapezoidal block (18) matched with the first trapezoidal block (17) is symmetrically and fixedly installed on the sliding block (11), and the anti-falling locking mechanism further comprises a reset unit.
2. The fall arrester for high altitude construction according to claim 1 wherein the ratchet (5) and the take-up reel (4) are concentric.
3. Safety catcher as claimed in claim 1, characterized in that the resilient member is a spring (10).
4. The fall arrester for high altitude construction according to claim 1, characterized in that the reset unit comprises a first electromagnet (19) arranged in the sliding block (11), a second electromagnet (20) coaxially and fixedly installed with the winding reel (4), two pressing blocks (29) symmetrically arranged on the fall arrester housing (1), and two sets of contacts (30), the limiting rod (15) is made of iron material, one end of the pressing block (29) is slidably inserted in the fall arrester housing (1) and is elastically connected with the same, and one set of the contacts (30) is respectively and fixedly installed on one end of the pressing block (29) and the opposite surface of the fall arrester housing (1).
5. The fall arrester for high altitude construction according to claim 1, characterized in that two balls (7) are symmetrically and slidably embedded in the fall arrester housing (1), and one end of the safety rope (6) is slidably clamped between the balls (7).
6. The fall arrester for high altitude construction according to claim 1, characterized in that a waterproof mechanism is provided in the fall arrester housing (1).
7. The fall arrester for high altitude construction according to claim 6, characterized in that the waterproof mechanism comprises two sealing plates (21) symmetrically arranged, two driving rods (22) and two driving blocks (23), one end of each sealing plate (21) is hinged with the fall arrester housing (1) together, the other end of each sealing plate is provided with a rope groove matched with the safety rope (6), the driving blocks (23) are symmetrically and slidably mounted in the fall arrester housing (1), the driving blocks (23) are hinged with the sealing plates (21) through the driving rods (22), cylinders (24) for driving the driving blocks (23) are further symmetrically and fixedly mounted in the fall arrester housing (1), a plurality of water falling holes (26) are further symmetrically arranged in the fall arrester housing (1), two reaction chambers (27) are further symmetrically arranged at the bottom in the fall arrester housing (1), and reaction particles which react with water to generate gas are filled in the reaction chambers (27), be equipped with the water inlet between reaction chamber (27) and safety hook shell (1), it has hinge door (28) to articulate in the water inlet, and the articulated department of hinge door (28) is equipped with the torsional spring, reaction chamber (27) are connected through connecting pipe and cylinder (24).
8. The fall arrester for high altitude construction according to claim 7, characterized in that the fall arrester housing (1) is further provided with a feeding hole communicated with the reaction chamber (27), and the feeding hole is connected with a sealing cover (25) through a screw thread.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110097688.XA CN112843519B (en) | 2021-01-25 | 2021-01-25 | Falling protector for high-altitude operation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110097688.XA CN112843519B (en) | 2021-01-25 | 2021-01-25 | Falling protector for high-altitude operation |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112843519A true CN112843519A (en) | 2021-05-28 |
| CN112843519B CN112843519B (en) | 2021-11-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110097688.XA Expired - Fee Related CN112843519B (en) | 2021-01-25 | 2021-01-25 | Falling protector for high-altitude operation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112843519B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113856085A (en) * | 2021-11-03 | 2021-12-31 | 东方电子股份有限公司 | Speed difference falling protector with reverse locking mechanism for high-altitude operation of electric power iron tower |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB464556A (en) * | 1936-07-28 | 1937-04-20 | Helmut Junghans | Improvements in safety devices for projectile fuzes |
| US4998683A (en) * | 1989-08-10 | 1991-03-12 | Hans Wendelborn | Spool and cord type safety device |
| JP3051389B1 (en) * | 1999-01-08 | 2000-06-12 | 株式会社伊藤製作所 | Fall prevention device for work at height |
| CN101952538A (en) * | 2009-03-02 | 2011-01-19 | Db工业股份有限公司 | Fall arrest assembly |
| US20170328424A1 (en) * | 2014-12-04 | 2017-11-16 | Eddy Current Limited Partnership | Latch activation between members |
| US20180133525A1 (en) * | 2013-02-22 | 2018-05-17 | Capital Safety Group (Northern Europe) Limited | Fall arrest device |
| CN208481899U (en) * | 2018-01-25 | 2019-02-12 | 东莞市红火安全科技有限公司 | A kind of rate controlling catching device |
| CN210813594U (en) * | 2019-08-19 | 2020-06-23 | 中际联合（北京）科技股份有限公司 | Centrifugal stall locking means and anti-falling device |
-
2021
- 2021-01-25 CN CN202110097688.XA patent/CN112843519B/en not_active Expired - Fee Related
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB464556A (en) * | 1936-07-28 | 1937-04-20 | Helmut Junghans | Improvements in safety devices for projectile fuzes |
| US4998683A (en) * | 1989-08-10 | 1991-03-12 | Hans Wendelborn | Spool and cord type safety device |
| JP3051389B1 (en) * | 1999-01-08 | 2000-06-12 | 株式会社伊藤製作所 | Fall prevention device for work at height |
| CN101952538A (en) * | 2009-03-02 | 2011-01-19 | Db工业股份有限公司 | Fall arrest assembly |
| US20180133525A1 (en) * | 2013-02-22 | 2018-05-17 | Capital Safety Group (Northern Europe) Limited | Fall arrest device |
| US20170328424A1 (en) * | 2014-12-04 | 2017-11-16 | Eddy Current Limited Partnership | Latch activation between members |
| CN208481899U (en) * | 2018-01-25 | 2019-02-12 | 东莞市红火安全科技有限公司 | A kind of rate controlling catching device |
| CN210813594U (en) * | 2019-08-19 | 2020-06-23 | 中际联合（北京）科技股份有限公司 | Centrifugal stall locking means and anti-falling device |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113856085A (en) * | 2021-11-03 | 2021-12-31 | 东方电子股份有限公司 | Speed difference falling protector with reverse locking mechanism for high-altitude operation of electric power iron tower |
Also Published As
| Publication number | Publication date |
|---|---|
| CN112843519B (en) | 2021-11-16 |
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