CN109110659B - Anti-falling safety device for tower crane climbing personnel - Google Patents
Anti-falling safety device for tower crane climbing personnel Download PDFInfo
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- CN109110659B CN109110659B CN201811041485.3A CN201811041485A CN109110659B CN 109110659 B CN109110659 B CN 109110659B CN 201811041485 A CN201811041485 A CN 201811041485A CN 109110659 B CN109110659 B CN 109110659B
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- rope
- safety device
- shell
- ratchet wheel
- tower crane
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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
Abstract
The invention discloses a tower crane climbing personnel anti-falling safety device, which comprises a braided rope, wherein the braided rope is wound on a ratchet wheel in a clockwise direction, the ratchet wheel is fixed on a shell through a ratchet wheel shaft, the lower end of the ratchet wheel is provided with a pawl, and the ratchet wheel shaft is connected with an output shaft of a motor; the lower end of the shell is provided with a protection ring, the braided rope passes through the shell through the protection ring, and the tail end of the braided rope is provided with a hook; the lower end of the shell is movably provided with a guide wheel, a speed sensor is arranged on the guide wheel, and a rope breaking protection device is arranged at the lower end of the guide wheel at intervals. The invention provides a tower crane climbing personnel anti-falling safety device which is convenient to use and ingenious in design, and when a person is in danger and rapidly falls down, the anti-falling safety device locks a braided rope and also has rope breakage protection, so that the safety of the person is protected.
Description
Technical Field
The utility model relates to an anti-falling safety device specifically is an anti-falling safety device for tower crane climbing personnel.
Background
The sliding rail type or rope grabbing type personnel anti-falling safety device used in the existing high-altitude operation can not be used on a tower crane all the time. The traditional speed difference falling protector can only be used within 30 meters in height, and cannot meet the use requirement of the tower crane at two-hundred meter height. Tower machine about tower crane generally passes through the cat ladder in the middle of the tower body standard festival at present, in case climbing in-process hand foot pine is smooth or cat ladder horizontal pole fracture, personnel will have life danger.
Disclosure of Invention
The invention aims to solve the problems, provides the anti-falling safety device for the climbing personnel of the tower crane, is convenient to use and ingenious in design, and has the functions of locking the braided rope and protecting the safety of the personnel by breaking the rope when the personnel rapidly fall in danger.
In order to realize the purpose, the invention adopts the technical scheme that: the knitting rope is wound on a ratchet wheel in a clockwise direction, the ratchet wheel is fixed on a shell through a ratchet wheel shaft, a pawl is arranged at the lower end of the ratchet wheel, and the ratchet wheel shaft is connected with an output shaft of a motor; the lower end of the shell is provided with a protection ring, the braided rope passes through the shell through the protection ring, and the tail end of the braided rope is provided with a hook; the lower end of the shell is movably provided with a guide wheel, a speed sensor is arranged on the guide wheel, a rope breaking protection device is arranged at the lower end of the guide wheel at intervals and comprises a support frame, a first air cylinder and a second air cylinder are respectively arranged on the support frame, the telescopic end of the first air cylinder is connected with a connecting plate, a first fixing support is arranged at the side end of the connecting plate at intervals, a spring is arranged between the connecting plate and the first fixing support, and a plurality of first roller assemblies are arranged on the first fixing support; a second fixed bracket is arranged at the telescopic end of the second cylinder, and a second roller assembly is arranged on the second fixed bracket; the second roller component is provided with a plurality of bulges.
Further, the support frame is set to be L-shaped.
Furthermore, the pawl is tensioned by a tension spring, and the pawl is in a state that the left side is tilted and the right side is drooped.
Further, the motor is configured as a torque motor.
Further, the leading wheel passes through the link setting at the lower extreme of casing, and speed sensor sets up on the link.
Further, first fixed bolster and second fixed bolster all set up on the guide rail.
Furthermore, the lower end of the ratchet wheel is provided with guide plates at intervals.
The invention has the beneficial effects that: the invention provides a tower crane climbing personnel anti-falling safety device which is convenient to use and ingenious in design, and when a person is in danger and rapidly falls down, the anti-falling safety device locks a braided rope and also has rope breakage protection, so that the safety of the person is protected.
1. When the steel wire rope is broken, the arrangement of the broken rope protection device can play a further safety role for personnel;
2. the arrangement of the bulges on the broken rope protection device has the functions of skid resistance and buffering when the steel wire rope is clamped.
3. The arrangement of the spring on the rope breaking protection device has the functions of buffering and further clamping when the steel wire rope is clamped.
Drawings
Fig. 1 is a front view of the structure of the present invention.
Fig. 2 is a side view of the structure of the present invention.
Fig. 3 is a schematic view of a rope break protection device in the structure of the present invention.
The text labels in the figures are represented as: 1. a housing; 2. a ratchet wheel; 3. a pawl; 4. weaving a rope; 5. hooking; 6. a motor; 7. a ratchet shaft; 8. a tension spring; 9. a guard ring; 10. a guide plate; 11. a connecting frame; 12. a rope breakage protection device; 13. a speed sensor; 14. a guide wheel; 1201. a support frame; 1202. a first cylinder; 1203. a second cylinder; 1204. a connecting plate; 1205. a spring; 1206. a first roller assembly; 1207. a guide rail; 1208. a protrusion; 1209. a second roller assembly; 1210. a first fixed bracket; 1211. and a second fixed bracket.
Detailed Description
The following detailed description of the present invention is given for the purpose of better understanding technical solutions of the present invention by those skilled in the art, and the present description is only exemplary and explanatory and should not be construed as limiting the scope of the present invention in any way.
As shown in fig. 1 to 3, the specific structure of the present invention is: the knitting device comprises a knitting rope 4, wherein the knitting rope 4 is wound on a ratchet wheel 2 in a clockwise direction, the ratchet wheel 2 is fixed on a shell 1 through a ratchet wheel shaft 7, a pawl 3 is arranged at the lower end of the ratchet wheel 2, and the ratchet wheel shaft 7 is connected with an output shaft of a motor 6; the lower end of the shell 1 is provided with a protection ring 9, the braided rope 4 penetrates out of the shell 1 through the protection ring 9, and the tail end of the braided rope 4 is provided with a hook 5; a guide wheel 14 is movably arranged at the lower end of the shell 1, a speed sensor 13 is arranged on the guide wheel 14, a rope breaking protection device 12 is arranged at the lower end of the guide wheel 14 at intervals, the rope breaking protection device 12 comprises a support frame 1201, a first air cylinder 1202 and a second air cylinder 1203 are respectively arranged on the support frame 1201, a telescopic end of the first air cylinder 1202 and a connecting plate 1204 are arranged at intervals, a first fixing support 1210 is arranged at the side end of the connecting plate 1204 at intervals, a spring 1205 is arranged between the connecting plate 1204 and the first fixing support 1210, and a plurality of first roller assemblies 1206 are arranged on the first fixing support 1210; a second fixing support 1211 is arranged at the telescopic end of the second cylinder 1203, and a second roller assembly 1209 is arranged on the second fixing support 1211; a plurality of protrusions 1208 are provided on the second roller assembly 1209.
Preferably, the supporting frame 1201 is provided in an L-shape.
Preferably, the pawl 3 is tensioned by a tension spring 8, and the pawl 3 is in a state that the left side is tilted and the right side is drooped.
Preferably, the motor 6 is configured as a torque motor.
Preferably, the guide wheel 14 is provided at the lower end of the housing 1 through the link frame 11, and the speed sensor 13 is provided on the link frame 11.
Preferably, the first and second fixing brackets 1210 and 1211 are disposed on the rail 1207.
Preferably, the lower end of the ratchet 2 is provided with a guide plate 10 at intervals.
The anti-falling safety device for the personnel of the tower crane is mainly arranged above a ladder stand of a lower support of the tower crane, when the personnel need to go up the tower, the anti-falling safety device is opened to a rope releasing state, a torque motor 6 works to drive a ratchet 2 to run clockwise at a low speed, a braided rope 4 extends out through a rope outlet protection ring 9, and the personnel climbing the tower hooks a hook 5 on a safety belt; then the anti-falling safety device is switched to a protection state, the torque motor 6 works reversely, the ratchet wheel 2 has counterclockwise torque, the braided rope 4 is in an upward half-tensioning state, at the moment, personnel can freely move up and down, and the braided rope 4 correspondingly retracts along with climbing of the personnel; when the person is in short-time and falls down accidentally, the weaving rope 4 drives the ratchet wheel 2 to rotate clockwise rapidly to impact the left side of the pawl 3, so that the ratchet wheel 2 is clamped by the right side of the pawl 3, and the person is prevented from falling down to cause accidents; the anti-falling safety device recovers after the load is relieved. When the steel wire rope is broken, the broken rope protection device can play a further safety role for personnel. When the steel wire rope is broken, the speed of the steel wire rope is higher than the set speed, when the speed sensed by the speed sensor 13 is higher than the set speed, a signal is sent to the controller, the controller sends the signal to the first air cylinder 1202 and the second air cylinder 1203, and the first air cylinder 1202 and the second air cylinder 1203 drive the first fixing support 1210 and the second fixing support 1211 to move on the guide rail 1207, so that the clamping of the weaving rope 4 is realized.
It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
The principles and embodiments of the present invention are explained herein using specific examples, which are presented only to assist in understanding the method and its core concepts of the present invention. The foregoing is only a preferred embodiment of the present invention, and it should be noted that there are objectively infinite specific structures due to the limited character expressions, and it will be apparent to those skilled in the art that a plurality of modifications, decorations or changes may be made without departing from the principle of the present invention, and the technical features described above may be combined in a suitable manner; such modifications, variations, combinations, or adaptations of the invention using its spirit and scope, as defined by the claims, may be directed to other uses and embodiments.
Claims (5)
1. The anti-falling safety device for the climbing personnel of the tower crane comprises a braided rope (4), and is characterized in that the braided rope (4) is wound on a ratchet wheel (2) in a clockwise direction, the ratchet wheel (2) is fixed on a shell (1) through a ratchet wheel shaft (7), a pawl (3) is arranged at the lower end of the ratchet wheel (2), the pawl (3) is tensioned by a tension spring (8), and the pawl (3) is in a state that the left side is tilted and the right side is drooped; the ratchet shaft (7) is connected with an output shaft of the motor (6); a protection ring (9) is arranged at the lower end of the shell (1), the braided rope (4) penetrates out of the shell (1) through the protection ring (9), and a hook (5) is arranged at the tail end of the braided rope (4); the lower end of the shell (1) is movably provided with a guide wheel (14), the guide wheel (14) is arranged at the lower end of the shell (1) through a connecting frame (11), a speed sensor (13) is arranged on the connecting frame (11), the guide wheel (14) is provided with the speed sensor (13), the lower end of the guide wheel (14) is provided with a rope breaking protection device (12) at a distance, the rope breaking protection device (12) comprises a supporting frame (1201), the supporting frame (1201) is respectively provided with a first air cylinder (1202) and a second air cylinder (1203), the telescopic end of the first air cylinder (1202) is connected with a connecting plate (1204), a first fixing support (1210) is arranged at a distance from the side end of the connecting plate (1204), a spring (1205) is arranged between the connecting plate (1204) and the first fixing support (1210), and a plurality of first roller assemblies (1206) are arranged on the first fixing support (1210; a second fixing support (1211) is arranged at the telescopic end of the second air cylinder (1203), and a second roller assembly (1209) is arranged on the second fixing support (1211); the second roller component (1209) is provided with a plurality of bulges (1208).
2. The anti-falling safety device for the tower crane climbing personnel as claimed in claim 1, wherein the support frame (1201) is arranged in an L shape.
3. The anti-falling safety device for the tower crane climber as claimed in claim 1, wherein the motor (6) is a torque motor.
4. The anti-falling safety device for the tower crane climber is characterized in that the first fixing support (1210) and the second fixing support (1211) are arranged on the guide rail (1207).
5. The anti-falling safety device for the tower crane climbing personnel as claimed in claim 1, characterized in that the guide plates (10) are arranged at the lower end of the ratchet wheel (2) at intervals.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811041485.3A CN109110659B (en) | 2018-09-07 | 2018-09-07 | Anti-falling safety device for tower crane climbing personnel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811041485.3A CN109110659B (en) | 2018-09-07 | 2018-09-07 | Anti-falling safety device for tower crane climbing personnel |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109110659A CN109110659A (en) | 2019-01-01 |
| CN109110659B true CN109110659B (en) | 2020-04-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811041485.3A Active CN109110659B (en) | 2018-09-07 | 2018-09-07 | Anti-falling safety device for tower crane climbing personnel |
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| Country | Link |
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| CN (1) | CN109110659B (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110775855A (en) * | 2019-11-14 | 2020-02-11 | 中核核电运行管理有限公司 | Take triggering function's receipts rope anti-falling mechanism |
| CN110862025B (en) * | 2019-12-04 | 2020-12-01 | 安徽华宏机械设备有限公司 | Lifting device for hoisting transport vehicle |
| CN112390159A (en) * | 2020-11-14 | 2021-02-23 | 徐州长航科技有限公司 | Height limiter with protective cover limiting and protecting structure |
| DE102021102673A1 (en) | 2021-02-04 | 2022-08-04 | Edelrid Gmbh & Co. Kg | Portable lifeline device for belaying a partner when climbing |
| CN114668991B (en) * | 2022-03-14 | 2023-04-11 | 江西泉新电气有限公司 | Anti-falling device and anti-falling method in climbing process of power transmission line iron tower |
| CN114733102B (en) * | 2022-03-14 | 2022-12-30 | 江西正强电瓷电器有限公司 | Power-off and anti-falling electric tower construction anti-falling device with double functions |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2679118Y (en) * | 2004-02-02 | 2005-02-16 | 谭锦泉 | Anti-dropping protector of lifter |
| CN101495191A (en) * | 2006-07-14 | 2009-07-29 | 拉奇韦斯公开有限公司 | Speed responsive engagement device |
| CN202299371U (en) * | 2011-09-21 | 2012-07-04 | 江苏集慧建设集团有限公司 | Anti-falling safety device of wall-attached climbing scaffold |
| CN206427986U (en) * | 2017-02-07 | 2017-08-22 | 南京有多利物流设备制造有限公司 | Anti-fall device and jacking equipment |
| CN207046734U (en) * | 2017-07-12 | 2018-02-27 | 戴胜利 | A kind of crane climbs anti-dropping safety device |
-
2018
- 2018-09-07 CN CN201811041485.3A patent/CN109110659B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2679118Y (en) * | 2004-02-02 | 2005-02-16 | 谭锦泉 | Anti-dropping protector of lifter |
| CN101495191A (en) * | 2006-07-14 | 2009-07-29 | 拉奇韦斯公开有限公司 | Speed responsive engagement device |
| CN202299371U (en) * | 2011-09-21 | 2012-07-04 | 江苏集慧建设集团有限公司 | Anti-falling safety device of wall-attached climbing scaffold |
| CN206427986U (en) * | 2017-02-07 | 2017-08-22 | 南京有多利物流设备制造有限公司 | Anti-fall device and jacking equipment |
| CN207046734U (en) * | 2017-07-12 | 2018-02-27 | 戴胜利 | A kind of crane climbs anti-dropping safety device |
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| Publication number | Publication date |
|---|---|
| CN109110659A (en) | 2019-01-01 |
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| TR01 | Transfer of patent right |
Effective date of registration: 20210901 Address after: 411100 No. 5, Jiangnan Avenue, Xiangtan Economic Development Zone, Xiangtan City, Hunan Province Patentee after: Shanhe Jianglu (Xiangtan) construction machinery equipment Co.,Ltd. Address before: 411100 No.4, Jiefang North Road, Yuhu District, Xiangtan City, Hunan Province Patentee before: JIANGLU MACHINERY & ELECTRONICS GROUP Co.,Ltd. |
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