CN111086950A - Tower crane safety device convenient to installation - Google Patents
Tower crane safety device convenient to installation Download PDFInfo
- Publication number
- CN111086950A CN111086950A CN201911353407.1A CN201911353407A CN111086950A CN 111086950 A CN111086950 A CN 111086950A CN 201911353407 A CN201911353407 A CN 201911353407A CN 111086950 A CN111086950 A CN 111086950A
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- rotating shaft
- tower crane
- device convenient
- protection device
- safety protection
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
- B66C23/88—Safety gear
-
- 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
-
- 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
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
- B66C23/62—Constructional features or details
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- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Control And Safety Of Cranes (AREA)
Abstract
The invention provides a tower crane safety protection device convenient to install, which comprises a main body, a connecting piece, a speed reducing wheel and a through hole, wherein a sliding groove is formed in the main body, the inner wall of the sliding groove is connected with a spring, a first rotating shaft is installed at the end of the spring, a guide wheel is arranged on the side of the first rotating shaft, the connecting piece is installed on the outer wall of the main body, a second rotating shaft penetrates through the connecting piece, a hook is arranged on the side of the second rotating shaft, a groove is formed in the outer wall of the main body, a third rotating shaft is arranged in the groove, and a handle is installed on the side of the third rotating shaft. The tower crane safety protection device convenient to install is convenient to install and use at any time, avoids being abandoned due to complex operation, has multiple protection measures, can provide functions of speed reduction buffering and emergency braking when a user climbs and is out of reach, and is convenient for users to place and carry so as to solve the problem of narrow space during high-altitude operation.
Description
Technical Field
The invention relates to the technical field of safety protection devices, in particular to a tower crane safety protection device convenient to install.
Background
Tower crane, also known as "tower crane", the wide application scope of working range is wide, the short distance transportation of material and building materials in mainly used multilayer and high-rise building construction, tower crane generally comprises parts such as metallic structure, operating device and electrical system, because building engineering's safe construction demand is the prerequisite of ensureing construction process and quality, building construction material's transportation sets up mostly and uses in the open air, and tower crane normal operating height is extremely dangerous, so must install all kinds of protector at tower crane and guarantee staff's personal safety, wherein, can be when tower crane operator scrambles the ladder, the safety connection device who plays the connection effect between safety belt and the ladder is just one of them.
But the safety device installation that current tower crane erects the ladder and uses all more troublesome, especially when upwards climbing the vertical ladder, consume time and be difficult for the operation, both influenced the work progress, and carry and inconvenient, the availability factor of whole device has been reduced, so we often see tower crane operator from various channels and all give up equipment such as use safety belt and select bare-handed climbing when climbing the vertical ladder, the very dangerous condition to operating personnel personal safety needs to wait for us to solve like this, consequently market needs one kind at any time to install and use, novel safety device who has multiple safeguard measure and convenient to use personnel to place and carry, urgent need carries out the innovative design on original tower crane safety device's basis, we propose the tower crane safety device of being convenient for the installation for this reason.
Disclosure of Invention
The invention aims to provide a tower crane safety protection device convenient to install, and aims to solve the problems that the installation and the use of similar products are very complicated, the protection measures are single, and the placement and the carrying of users are inconvenient in the conventional tower crane safety protection device provided in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: a tower crane safety protection device convenient to install comprises a main body, a connecting piece, a speed reducing wheel and a through hole, wherein a sliding groove is formed in the main body, a spring is connected to the inner wall of the sliding groove, a first rotating shaft is installed at the end of the spring, a guide wheel is arranged on the side of the first rotating shaft, a connecting piece is installed on the outer wall of the main body, a second rotating shaft penetrates through the inside of the connecting piece, a hook is arranged on the side of the second rotating shaft, a groove is formed in the outer wall of the main body, a third rotating shaft is arranged inside the groove, a handle is installed on the side of the third rotating shaft, an end cover is arranged on the outer wall of the main body, a fourth rotating shaft is installed on the inner side of the end cover, a torsion spring is arranged on the side of the fourth rotating shaft, a connecting pin is connected below the torsion spring, a clamping piece, and the avris of fixed axle is provided with the bearing to the ratchet is installed in the outside of bearing, the avris in the ratchet is installed to the gear reducer, the outside of gear reducer is provided with the connecting axle, and the avris of connecting axle installs the pawl, the through-hole runs through in the inside of main part.
Preferably, a telescopic mounting structure is formed between the first rotating shaft and the main body through a spring, and the first rotating shaft is in sliding connection with the sliding groove.
Preferably, the main body is fixedly connected with the connecting piece through a rivet, and the connecting piece and the hook form a rotating structure through a second rotating shaft.
Preferably, a rotating structure is formed between the main body and the handle through a third rotating shaft, and the handle is arranged in an arc shape.
Preferably, an elastic reset structure is formed between the fourth rotating shaft and the connecting pin through a torsion spring, and the connecting pin and the clamping piece are integrally arranged;
preferably, the clamping pieces are symmetrically arranged about the central axis of the main body in 2 numbers, the lower ends of the clamping pieces are arranged in an arc shape, and the inner walls of the clamping pieces are arranged in an inclined shape.
Preferably, the fixed shaft is rotatably connected with the bearing, and the bearing is in key connection with the ratchet wheel.
Preferably, be the key-type connection between deceleration wheel and the bearing, and the deceleration wheel is provided with 3 at the inside vertical direction of main part equidistant to the deceleration wheel adopts the rubber material.
Preferably, the connecting shaft is rotatably connected with the pawl, and the pawl and the ratchet form a ratchet structure.
Compared with the prior art, the invention has the beneficial effects that: the tower crane safety protection device convenient to install is convenient to install and use at any time, avoids being abandoned due to complex operation, has multiple protection measures, can provide functions of speed reduction buffering and emergency braking when a user climbs the foot, and is convenient for users to place and carry so as to solve the problem of narrow space during high-altitude operation;
1. the tower crane safety protection device convenient to install is installed by nesting through holes formed in the device body to the periphery of vertical rods on two sides of a vertical ladder to be climbed, safety belt hook locks worn between the waist of users are connected with handles, when the users climb upwards, the handles are pulled by the safety belt hook locks, the handles move along the users through the rotating shaft pulling device body, the through holes are in clearance fit with the vertical rods of the vertical ladder and slide mutually, the speed reducing wheels roll and move upwards along the surfaces of the vertical rods, and the safety protection device is in a used state at the moment, so that the safety protection device is convenient to install and use;
2. when a user climbs the vertical ladder and accidentally loses the foot and falls down, the safety belt hook lock worn by the user moves downwards through the handle to drive the device body, the speed reducing wheel is in a braking state through the ratchet structure between the pawl and the ratchet, the friction coefficient between the speed reducing wheel and the vertical bar is greatly increased due to the arrangement of rubber materials of the speed reducing wheel, on the other hand, due to the arrangement of the torsion spring, the clamping pieces are in a closed state, the lower ends of the clamping pieces on two sides are combined into an arc-shaped structure, when the device body slides downwards to the cross bar of any vertical ladder, the arc-shaped structure is clamped with the cross bar and brakes, and therefore the falling state of the user is prevented;
3. this tower crane safety device convenient to installation can easily carry this safety device body through portable handle and shift after finishing using or when needing to carry the transfer, or can hang this safety device body through the couple and put on arbitrary horizontal pole after user of service arrives tower crane cockpit, prevents the circumstances such as colliding with that this safety device body from rocking and producing because of the cockpit in the wind.
Drawings
FIG. 1 is a schematic view of an overall side-view cross-sectional structure provided by the present invention;
FIG. 2 is a schematic overall side view of the present invention;
FIG. 3 is a schematic view of the overall front view structure provided by the present invention;
fig. 4 is a schematic view of an overall top-view structure provided by the present invention.
Reference numbers in the figures: 1. the main part, 2, spout, 3, spring, 4, first pivot, 5, leading wheel, 6, connecting piece, 7, second pivot, 8, couple, 9, recess, 10, third pivot, 11, handle, 12, end cover, 13, fourth pivot, 14, torsion spring, 15, connecting pin, 16, fastener, 17, fixed axle, 18, bearing, 19, ratchet, 20, reducing gear, 21, connecting axle, 22, pawl, 23, through-hole.
Detailed Description
The invention is further described with reference to the following figures and embodiments.
Please refer to fig. 1, fig. 2, fig. 3 and fig. 4, wherein fig. 1 is an overall side cross-sectional structure; FIG. 2 is an overall side view configuration; FIG. 3 is an overall elevational configuration; fig. 4 is an overall top view structure. A tower crane safety device convenient to installation includes: main part 1, connecting piece 6, gear reducer 20 and through-hole 23, spout 2 has been seted up to the inside of main part 1, and the inner wall of spout 2 is connected with spring 3, and spring 3's end department installs first pivot 4, the avris of first pivot 4 is provided with leading wheel 5, connecting piece 6 is installed to the outer wall of main part 1, and has run through second pivot 7 in the inside of connecting piece 6, and the avris of second pivot 7 is provided with couple 8, the outer wall of main part 1 is seted up flutedly 9, and the inside of flutedly 9 is provided with third pivot 10, and the handle 11 is installed to the avris of third pivot 10, the outer wall of main part 1 is provided with end cover 12, and the inboard of end cover 12 installs fourth pivot 13, the avris of fourth pivot 13 is provided with torsion spring 14, and torsion spring 14's below is connected with connecting pin 15, fastener 16 sets up in connecting pin 15's avris, the internally mounted of main part 1 has fixed axle 17, and the avris of fixed axle 17 is provided with bearing 18 to ratchet 19 is installed to the outside of bearing 18, reducing gear 20 installs in ratchet 19's avris, reducing gear 20's the outside is provided with connecting axle 21, and connecting axle 21's avris installs pawl 22, through-hole 23 runs through in the inside of main part 1.
The safety protection device is characterized in that a telescopic mounting structure is formed between the first rotating shaft 4 and the main body 1 through the spring 3, the first rotating shaft 4 is in sliding connection with the sliding groove 2, when the safety protection device body is driven by the safety belt hook lock to move upwards to shift and collide with the cross rod of the vertical ladder through telescopic sliding of the first rotating shaft 4 in the sliding groove 2, the guide wheel 5 arranged on the side of the first rotating shaft 4 rolls with the cross rod of the vertical ladder, and the shifting state of the safety protection device body is relieved.
For rivet fixed connection between main part 1 and the connecting piece 6, and constitute revolution mechanic through second pivot 7 between connecting piece 6 and the couple 8, can hang this safety device body through couple 8 and put arbitrary horizontal pole position in arbitrary tower crane cockpit, prevent the condition such as colliding with that this safety device body produces because of the cockpit rocks in the wind.
Constitute revolution mechanic through third pivot 10 between main part 1 and the handle 11, and handle 11 adopts the arc setting, and handle 11 avoids damaging because of producing big deformation when making safety belt hook lock or portable this safety device body through the arc setting.
An elastic reset structure is formed between the fourth rotating shaft 13 and the connecting pin 15 through a torsion spring 14, the connecting pin 15 and the clamping piece 16 are integrally arranged, and the clamping piece 16 is in a closed state under the action of the torsion spring 14, so that the clamping piece 16 can be clamped with the vertical ladder cross bar to brake when danger occurs.
The fixed shaft 17 is rotatably connected with the bearing 18, the bearing 18 is in key connection with the ratchet wheel 19, and the rotation of the bearing 18 drives the ratchet wheel 19 to rotate anticlockwise through the key connection.
For the key-type connection between deceleration wheel 20 and the bearing 18, and deceleration wheel 20 is provided with 3 at the inside equidistant vertical direction of main part 1, and deceleration wheel 20 adopts rubber material, deceleration wheel 20 can roll at perpendicular ladder montant surface when making this safety device body upward movement through the key-type connection, on the other hand is when dangerous the emergence, bearing 18's rotation function is restricted by the ratchet structure, so deceleration wheel 20 loses rotation function, it and perpendicular ladder montant between rolling friction become sliding friction, and because deceleration wheel 20's rubber material sets up and makes the speed reduction effect greatly increased with 3 quantity settings, the effect of speed reduction and buffering has been ensured.
The connecting shaft 21 is rotatably connected with the pawl 22, the pawl 22 and the ratchet 19 form a ratchet structure, the speed reducing wheel 20 normally rolls when the safety protection device body moves upwards through the ratchet structure, and the rotation function of the speed reducing wheel 20 is limited under the action of the ratchet structure when the safety protection device body moves downwards, so that the speed reducing effect is realized.
The working principle of the tower crane safety protection device convenient to install provided by the invention is as follows:
when the tower crane safety protection device convenient to install is used, the through hole 23 formed in the device body is nested to the periphery of the vertical rod on two sides of the vertical ladder to be climbed, then the safety belt hook lock worn by a user at the waist is connected with the handle 11, when the user climbs upwards, the safety belt hook lock pulls the handle 11, the handle 11 pulls the device body to move along with the user through the third rotating shaft 10, the through hole 23 is in clearance fit with the vertical rod of the vertical ladder and slides mutually, the speed reducing wheel 20 rolls upwards along the surface of the vertical rod, the safety protection device is in a used state at the moment, when the safety belt hook lock pulls the safety protection device body to move upwards to offset and collide with the horizontal rod of the vertical ladder, the guide wheel 5 arranged on the side of the first rotating shaft 4 rolls with the horizontal rod of the vertical ladder, and the safety protection device has the function of automatic telescopic sliding adjustment in the sliding groove 2 under the action of the spring 3, therefore, the direction deviation of the safety protection device body is relieved, when a user climbs the vertical ladder and accidentally falls, the safety belt hook lock worn by the user pulls the device body to move downwards through the handle 11, the rotation function of the bearing 18 is limited by the ratchet structure, so the deceleration wheel 20 loses the rotation function, the rolling friction between the deceleration wheel and the vertical ladder vertical bar is sliding friction, the deceleration effect is greatly increased due to the rubber material arrangement and the 3 quantity arrangement of the deceleration wheel 20, the deceleration and buffering effects are ensured, on the other hand, the arc structure formed by the lower ends of the 2 clamping pieces 16 when being closed can be clamped with the vertical ladder transverse bar to generate the braking effect, the clamping pieces 16 can automatically separate and bypass the vertical ladder transverse bar when passing through the transverse bar through the inclined arrangement of the inner wall of the clamping pieces 16, and then the clamping pieces recover to the closed state under the action of the torsion spring 14, can easily carry this safety device body through portable handle 11 and shift, or can hang this safety device body through couple 8 after the user of service arrives tower crane cockpit and put on arbitrary horizontal pole, prevent the condition such as colliding with that this safety device body produces because of the cockpit rocks in the wind.
Compared with the prior art, the tower crane safety protection device convenient to install provided by the invention has the following beneficial effects:
the tower crane safety protection device convenient to install is convenient to install and use at any time, avoids being abandoned due to complex operation, has multiple protection measures, can provide functions of speed reduction buffering and emergency braking when a user climbs and is out of reach, and is convenient for users to place and carry so as to solve the problem of narrow space during high-altitude operation;
1. the tower crane safety protection device convenient to install is installed by nesting the through holes 23 formed in the device body to the periphery of the vertical rods on two sides of the vertical ladder needing to be climbed, then the safety belt hook lock worn by a user at the waist is connected with the handle 11, when the user climbs upwards, the handle 11 is pulled by the safety belt hook lock, the device body is pulled by the handle 11 through the third rotating shaft 10 to move along with the user, the through holes 23 and the vertical rods of the vertical ladder are in clearance fit and slide mutually, the speed reducing wheel 20 rolls upwards along the surface of the vertical rods, and the safety protection device is in a used state at the moment, so that the safety protection device is convenient to install and use;
2. when a user climbs the vertical ladder and accidentally loses the foot and falls down, the safety belt hook lock worn by the user pulls the device body to move downwards through the handle 11, the speed reducing wheel 20 is in a braking state through the ratchet structure between the pawl 22 and the ratchet 19, the friction coefficient between the speed reducing wheel 20 and the vertical bar is greatly increased due to the arrangement of the rubber material of the speed reducing wheel 20, on the other hand, due to the arrangement of the torsion spring 14, the clamping pieces 16 are in a closed state, the lower ends of the clamping pieces 16 on the two sides are combined into an arc-shaped structure, when the device body slides downwards to the cross bar of any vertical ladder, the arc-shaped structure is clamped with the cross bar and brakes, and the falling state of the user is prevented;
3. this tower crane safety device convenient to installation can easily carry this safety device body through portable handle 11 and shift after finishing using or when needing to carry the transfer, or can hang this safety device body through couple 8 and put on arbitrary horizontal pole after the user of service arrives tower crane cockpit, prevents the circumstances such as colliding with that this safety device body from rocking and producing because of the cockpit in the wind.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by using the contents of the present specification and the accompanying drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (9)
1. The utility model provides a tower crane safety device convenient to installation, includes main part, connecting piece, gear reducer and through-hole, its characterized in that: the inner part of the main body is provided with a sliding groove, the inner wall of the sliding groove is connected with a spring, a first rotating shaft is arranged at the end of the spring, the side of the first rotating shaft is provided with a guide wheel, the outer wall of the main body is provided with a connecting piece, a second rotating shaft penetrates through the connecting piece, the side of the second rotating shaft is provided with a hook, the outer wall of the main body is provided with a groove, a third rotating shaft is arranged inside the groove, a handle is arranged on the side of the third rotating shaft, the outer wall of the main body is provided with an end cover, a fourth rotating shaft is arranged on the inner side of the end cover, a torsion spring is arranged on the side of the fourth rotating shaft, a connecting pin is connected below the torsion spring, the clamping piece is arranged on the side of the connecting pin, a fixed shaft is arranged inside the main body, a bearing is arranged on the side of, the outside of gear reducer is provided with the connecting axle, and the avris of connecting axle installs the pawl, the through-hole runs through in the inside of main part.
2. The tower crane safety protection device convenient to install according to claim 1, wherein: a telescopic mounting structure is formed between the first rotating shaft and the main body through a spring, and the first rotating shaft is connected with the sliding groove in a sliding mode.
3. The tower crane safety protection device convenient to install according to claim 1, wherein: the main body is fixedly connected with the connecting piece through rivets, and the connecting piece and the hook form a rotating structure through a second rotating shaft.
4. The tower crane safety protection device convenient to install according to claim 1, wherein: constitute revolution mechanic through the third pivot between main part and the handle, and the handle adopts the arc setting.
5. The tower crane safety protection device convenient to install according to claim 1, wherein: an elastic reset structure is formed between the fourth rotating shaft and the connecting pin through a torsion spring, and the connecting pin and the clamping piece are integrally arranged.
6. The tower crane safety protection device convenient to install according to claim 1, wherein: the fastener is provided with 2 about the axis symmetry of main part, and the lower extreme of fastener adopts the arc setting to the inner wall of fastener adopts the slope form to set up.
7. The tower crane safety protection device convenient to install according to claim 1, wherein: the fixed shaft is rotatably connected with the bearing, and the bearing is in key connection with the ratchet wheel.
8. The tower crane safety protection device convenient to install according to claim 1, wherein: be the key-type connection between deceleration wheel and the bearing, and the deceleration wheel is provided with 3 at the inside vertical direction of main part equidistant to the deceleration wheel adopts the rubber material.
9. The tower crane safety protection device convenient to install according to claim 1, wherein: the connecting shaft is rotatably connected with the pawl, and the pawl and the ratchet form a ratchet structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911353407.1A CN111086950A (en) | 2019-12-25 | 2019-12-25 | Tower crane safety device convenient to installation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911353407.1A CN111086950A (en) | 2019-12-25 | 2019-12-25 | Tower crane safety device convenient to installation |
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| CN111086950A true CN111086950A (en) | 2020-05-01 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201911353407.1A Pending CN111086950A (en) | 2019-12-25 | 2019-12-25 | Tower crane safety device convenient to installation |
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Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201026354Y (en) * | 2007-01-11 | 2008-02-27 | 浙江爱德电力配件制造有限公司 | High altitude safety catch |
| US20100012424A1 (en) * | 2006-10-16 | 2010-01-21 | Markus Krauss | Fall arrester for a climbing protection system |
| WO2015183564A1 (en) * | 2014-05-29 | 2015-12-03 | Honeywell International Inc. | Guided type fall arrester - force control |
| DE102015104455A1 (en) * | 2015-03-25 | 2016-09-29 | Lorenz Hasenbach Gmbh U. Co. Kg | Fall protection runner and safety system with such a fall arrester |
| CN106223831A (en) * | 2016-07-21 | 2016-12-14 | 李强 | A kind of vertical shaft for mine upper and lower pedestrian safety device |
| CN106761371A (en) * | 2016-11-25 | 2017-05-31 | 中国南方电网有限责任公司超高压输电公司天生桥局 | A kind of fall protection equipment of cat ladder work high above the ground |
| CN207384627U (en) * | 2017-08-01 | 2018-05-22 | 江苏能建机电实业集团有限公司 | A kind of mechanical self-locking mechanism for preventing high-altitude cage from tilting or falling |
| CN208877753U (en) * | 2018-05-31 | 2019-05-21 | 国家电网公司 | Vertical ladder climbing protector |
-
2019
- 2019-12-25 CN CN201911353407.1A patent/CN111086950A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20100012424A1 (en) * | 2006-10-16 | 2010-01-21 | Markus Krauss | Fall arrester for a climbing protection system |
| CN201026354Y (en) * | 2007-01-11 | 2008-02-27 | 浙江爱德电力配件制造有限公司 | High altitude safety catch |
| WO2015183564A1 (en) * | 2014-05-29 | 2015-12-03 | Honeywell International Inc. | Guided type fall arrester - force control |
| DE102015104455A1 (en) * | 2015-03-25 | 2016-09-29 | Lorenz Hasenbach Gmbh U. Co. Kg | Fall protection runner and safety system with such a fall arrester |
| CN106223831A (en) * | 2016-07-21 | 2016-12-14 | 李强 | A kind of vertical shaft for mine upper and lower pedestrian safety device |
| CN106761371A (en) * | 2016-11-25 | 2017-05-31 | 中国南方电网有限责任公司超高压输电公司天生桥局 | A kind of fall protection equipment of cat ladder work high above the ground |
| CN207384627U (en) * | 2017-08-01 | 2018-05-22 | 江苏能建机电实业集团有限公司 | A kind of mechanical self-locking mechanism for preventing high-altitude cage from tilting or falling |
| CN208877753U (en) * | 2018-05-31 | 2019-05-21 | 国家电网公司 | Vertical ladder climbing protector |
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Application publication date: 20200501 |