CN115818389A - Anti-falling device for lift-car type lifting equipment of wind turbine generator - Google Patents
Anti-falling device for lift-car type lifting equipment of wind turbine generator Download PDFInfo
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- CN115818389A CN115818389A CN202211363914.5A CN202211363914A CN115818389A CN 115818389 A CN115818389 A CN 115818389A CN 202211363914 A CN202211363914 A CN 202211363914A CN 115818389 A CN115818389 A CN 115818389A
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- car
- locking
- side wall
- automatic telescopic
- locking handle
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- 229910000831 Steel Inorganic materials 0.000 claims abstract description 12
- 239000010959 steel Substances 0.000 claims abstract description 12
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 230000002265 prevention Effects 0.000 abstract description 4
- 230000000694 effects Effects 0.000 abstract description 3
- 238000012423 maintenance Methods 0.000 description 3
- 238000001514 detection method Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/72—Wind turbines with rotation axis in wind direction
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- Cage And Drive Apparatuses For Elevators (AREA)
Abstract
The invention belongs to the technical field of safety protection equipment, and particularly relates to a falling prevention device for a car type lifting device of a wind turbine generator. The elevator car guiding device is characterized by comprising a supporting frame, the supporting frame is fixedly mounted on the side wall of a car, a locking handle is connected to the supporting frame in a rotating mode, an automatic telescopic rod is arranged above one end, close to the side wall of the car, of the locking handle, the fixed end of the automatic telescopic rod is fixedly connected with the side wall of the car, the free end of the automatic telescopic rod is movably connected with one end, close to the side wall of the car, of the locking handle, a locking hole for enabling a guiding rope to pass is formed in one end, far away from the side wall of the car, of the locking handle, a locking steel tooth for locking the guiding rope is arranged on the side wall of the locking hole, and a laser velocimeter is mounted at the bottom end of the car. The invention can realize the locking of the car and the guide rope in the falling process of the car, thereby avoiding the technical effect of continuous falling of the car.
Description
Technical Field
The invention belongs to the technical field of safety protection equipment, and particularly relates to a falling prevention device for a car type lifting device of a wind turbine generator.
Background
The lift-cabin type lifting equipment of the wind turbine generator is generally installed in a tower of the wind turbine generator, so that convenience is brought to a maintenance worker entering an engine cabin from a tower footing. A lifting rope of the car type lifting equipment is fixed on a cross arm on the upper portion of the tower barrel, and then the motor drives the lifting mechanism to do a winding action to drive the car type lifting equipment to slide up and down along the guide rope, so that the effect of transporting maintenance personnel is achieved. However, the problem of abrasion and breakage easily occurs after the lifting rope is used for a long time, so that a falling accident is caused, and huge hidden dangers are brought to the personal safety of maintainers. Therefore, the invention is needed to invent a falling prevention device for a car type lifting device of a wind turbine generator so as to ensure the personal safety of maintenance personnel.
Disclosure of Invention
Aiming at the problems in the prior art, the invention provides a falling prevention device for a car type lifting device of a wind turbine generator, and particularly discloses the following technical scheme:
the utility model provides an anti-falling device for wind turbine generator system car formula lifting means installs on car lateral wall of car formula lifting means, including the support frame, support frame fixed mounting is on the lateral wall of car, it is connected with the locking handle to rotate on the support frame, the one end top that the locking handle is close to car lateral wall is provided with automatic telescopic link, the stiff end and the car lateral wall fixed connection of automatic telescopic link, the free end and the one end swing joint that the locking handle is close to car lateral wall of automatic telescopic link, the one end that the car lateral wall was kept away from to the locking handle is provided with the locking hole that is used for the direction rope to pass, be provided with the locking steel tooth that is used for locking direction rope on the lateral wall in locking hole, laser velocimeter is installed to the bottom of car.
Further, the support frame is vertically arranged, the lower portion of the support frame is fixedly connected with the side wall of the car through a connecting rod, and the top of the support frame is arranged at an interval with the side wall of the car.
Further, a strip-shaped hole is formed in one end, close to the side wall of the car, of the locking handle, a fixing pin is arranged at the free end of the automatic telescopic rod, one end of the fixing pin is fixedly connected with the side wall of the free end of the automatic telescopic rod, and a baffle is arranged at the other end of the fixing pin, penetrating through the strip-shaped hole.
Furthermore, the automatic telescopic rod is a pneumatic telescopic rod or a hydraulic telescopic rod.
Furthermore, the locking hole is the hole of oblique cylinder type, and when the locking handle was in the horizontality, the locking steel tooth was located the both sides of direction rope respectively and led the position of rope axis farthest away.
Furthermore, be provided with the fixing base on the lateral wall of car, the fixing base is located the locking handle is close to the one end top of car lateral wall, the stiff end of automatic telescopic link and the top fixed connection of fixing base.
Furthermore, the bottom of fixing base is provided with reset spring, reset spring's top and fixing base fixed connection, reset spring's bottom and the one end top fixed connection that the locking handle is close to car lateral wall.
Furthermore, the laser speedometer further comprises a PLC controller, and the laser speedometer and the automatic telescopic rod are electrically connected with the PLC controller.
Compared with the prior art, the invention has the beneficial effects that:
the elevator car falling speed detection device is provided with the support frame, the locking handle, the automatic telescopic rod and the laser velocimeter, the laser velocimeter can detect the falling speed of the car, when the falling speed exceeds a limit value, the automatic telescopic rod is started and pushes one end of the locking handle downwards, the other end of the locking handle is tilted, and the locking steel teeth in the locking hole lock the guide rope, so that the car is prevented from continuously falling, and the personal safety of maintainers in the car is ensured.
Drawings
Fig. 1 is a schematic structural diagram of embodiment 1 of the present invention.
Fig. 2 is a partially enlarged view of a point a in fig. 1.
Fig. 3 is a schematic structural diagram of embodiment 2 of the present invention.
1-car, 2-support frame, 3-locking handle, 31-locking hole, 311-locking steel tooth, 32-strip hole, 4-automatic telescopic rod, 41-baffle, 5-laser velocimeter, 6-fixing seat, 7-reset spring and 8-guide rope.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1
Referring to fig. 1-2, an anti-falling device for a car type lifting device of a wind turbine generator system is installed on the lateral wall of a car 1 of the car type lifting device, and comprises a support frame 2, the support frame 2 is vertically arranged, the lower part of the support frame 2 is fixedly connected with the lateral wall of the car 1 through a connecting rod, the top of the support frame 2 is arranged at a distance from the lateral wall of the car 1, a locking handle 3 is rotatably connected to the support frame 2, an automatic telescopic rod 4 is arranged above one end of the locking handle 3 close to the lateral wall of the car, the fixed end of the automatic telescopic rod 4 is fixedly connected with the lateral wall of the car 1, the free end of the automatic telescopic rod 4 is movably connected with one end of the locking handle 3 close to the lateral wall of the car, a locking hole 31 for guiding a rope 8 to pass is formed in one end of the locking handle 3 far away from the lateral wall of the car, a locking steel tooth 311 for locking the guiding rope 8 is arranged on the lateral wall of the locking hole 31, and a laser velocimeter 5 is installed at the bottom end of the car 1.
In this embodiment, when the automatic telescopic rod 4 is in the fully retracted state, the locking handle 3 is just in the horizontal state.
In this embodiment, a bar hole 32 has been seted up to the one end that locking handle 3 is close to the car lateral wall, the free end of automatic telescopic link 4 is provided with the fixed pin, the one end of fixed pin and the lateral wall fixed connection of the free end of automatic telescopic link 4, the other end passes bar hole 32 and is provided with baffle 41. When 4 extensions of automatic telescopic link and the one end of pushing locking handle 3 downwards, the fixed pin not only can slide along bar hole 32 internal rotations, can also slide along bar hole 32 simultaneously to guarantee that locking handle 3 can rotate smoothly around the strong point on support frame 2, accomplish the locking work, the fixed pin can then be avoided in the setting of baffle 41 to deviate from in bar hole 32.
In this embodiment, the automatic telescopic rod 4 is a pneumatic telescopic rod or a hydraulic telescopic rod.
In this embodiment, locking hole 31 is the hole of oblique cylinder type, when locking handle 3 is in the horizontality, locking steel teeth 311 is located the position that 8 axis of guide rope are the farthest away from in the both sides of guide rope 8 respectively, when locking handle 3 is in the horizontality promptly, guide rope 8 can slide smoothly in locking hole 31 and can not touch locking steel teeth 311, when locking handle 3 inclines under the impetus of automatic telescopic link 4, locking steel teeth 311 straining in locking hole 31 is on guide rope 8, realize the locking between guide rope 8 and the locking hole 31, thereby avoid the continuation of car 1 to fall.
In this embodiment, be provided with fixing base 6 on the lateral wall of car 1, fixing base 6 is located locking handle 3 is close to the one end top of car lateral wall, the stiff end of automatic telescopic link 4 and the top fixed connection of fixing base 6.
In this embodiment, the bottom of fixing base 6 is provided with reset spring 7, reset spring 7's top and fixing base 6 fixed connection, reset spring 7's bottom and locking handle 3 are close to the one end top fixed connection of car lateral wall, and after the risk of falling disappeared, reset spring 7 can drive locking handle 3 with automatic telescopic link 4 together and reset to continue to prepare for the start next time.
In this embodiment, the device further comprises a PLC controller, and the laser velocimeter 5 and the automatic telescopic rod 4 are both electrically connected with the PLC controller.
In this embodiment, car 1 is inside still to be provided with the manual control button that is used for controlling automatic telescopic link 4, and the maintainer also can start locking handle 3 by oneself according to actual conditions.
When the elevator car falling speed detection device works, the falling speed of the elevator car 1 is detected by the laser velocimeter 5, when the falling speed of the elevator car 1 is too high and exceeds a set value, the elevator car 1 is judged to fall abnormally, the PLC controls the automatic telescopic rod 4 to extend, the locking handle 3 is pushed to rotate around a supporting point on the supporting frame 2, and after the locking handle 3 inclines to a certain angle, the locking steel teeth 311 in the locking hole 31 lock the guide rope 8, so that the elevator car 1 is prevented from continuously sliding downwards along the guide rope 8, and the elevator car 1 is prevented from falling.
Example 2
Referring to fig. 3, the solution of the present embodiment is substantially the same as that of embodiment 1, and the only difference is that: rotate on the support frame 2 in this embodiment and be connected with two locking handles 3, and 3 parallel arrangement of two locking handles, through two fixed pins respectively with the one end swing joint of two locking handles 3 on the automatic telescopic link 4, the locking hole 31 of two locking handles 3 other ends is established side by side on direction rope 8 to realize that two locking handles 3 of 4 drive of an automatic telescopic link lock direction rope 8 simultaneously, and then guarantee the locking effect, improve the security performance.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the technical scope of the present invention, so that any minor modifications, equivalent changes and modifications made to the above embodiment according to the technical spirit of the present invention are within the technical scope of the present invention.
Claims (8)
1. The utility model provides an anti-falling device for wind turbine generator system car formula lifting means installs on car lateral wall of car formula lifting means, a serial communication port, which comprises a supporting fram, support frame fixed mounting is on the lateral wall of car, it is connected with the locking handle to rotate on the support frame, the one end top that the locking handle is close to the car lateral wall is provided with automatic telescopic link, the stiff end and the car lateral wall fixed connection of automatic telescopic link, the free end and the one end swing joint that the locking handle is close to the car lateral wall of automatic telescopic link, the one end that the car lateral wall was kept away from to the locking handle is provided with the locking hole that is used for the direction rope to pass, be provided with the locking steel tooth that is used for locking direction rope on the lateral wall in locking hole, laser velocimeter is installed to the bottom of car.
2. The anti-falling device for the car type lifting equipment of the wind turbine generator system as claimed in claim 1, wherein the support frame is vertically arranged, the lower part of the support frame is fixedly connected with the side wall of the car through a connecting rod, and the top part of the support frame is arranged at an interval with the side wall of the car.
3. The anti-falling device for the car type lifting equipment of the wind turbine generator system as claimed in claim 1, wherein a strip-shaped hole is formed in one end of the locking handle close to the side wall of the car, a fixing pin is arranged at the free end of the automatic telescopic rod, one end of the fixing pin is fixedly connected with the side wall of the free end of the automatic telescopic rod, and a baffle plate is arranged at the other end of the fixing pin penetrating through the strip-shaped hole.
4. The anti-falling device for the car type lifting equipment of the wind turbine generator set according to claim 1, characterized in that the automatic telescopic rod is a pneumatic telescopic rod or a hydraulic telescopic rod.
5. The anti-falling device for the car type lifting equipment of the wind turbine generator system as claimed in claim 1, wherein the locking hole is a cylinder-shaped hole, and when the locking handle is in a horizontal state, the locking steel teeth are respectively located at positions on two sides of the guide rope farthest from the central axis of the guide rope.
6. The anti-falling device for the car type lifting equipment of the wind turbine generator system as claimed in claim 1, wherein a fixed seat is arranged on the side wall of the car, the fixed seat is positioned above one end of the locking handle close to the side wall of the car, and the fixed end of the automatic telescopic rod is fixedly connected with the top end of the fixed seat.
7. The anti-falling device for the car type lifting equipment of the wind turbine generator system as claimed in claim 6, wherein the bottom end of the fixed seat is provided with a return spring, the top end of the return spring is fixedly connected with the fixed seat, and the bottom end of the return spring is fixedly connected with the top of one end of the locking handle close to the side wall of the car.
8. The device of claim 1, further comprising a PLC controller, wherein the laser velocimeter and the automatic telescoping rod are both electrically connected to the PLC controller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211363914.5A CN115818389B (en) | 2022-11-02 | 2022-11-02 | Anti-falling device for lift car type lifting equipment of wind turbine generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211363914.5A CN115818389B (en) | 2022-11-02 | 2022-11-02 | Anti-falling device for lift car type lifting equipment of wind turbine generator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN115818389A true CN115818389A (en) | 2023-03-21 |
| CN115818389B CN115818389B (en) | 2024-05-28 |
Family
ID=85526303
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211363914.5A Active CN115818389B (en) | 2022-11-02 | 2022-11-02 | Anti-falling device for lift car type lifting equipment of wind turbine generator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115818389B (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4313335A1 (en) * | 1993-04-23 | 1994-10-27 | Matthias Schum | Slide with fall brake |
| JPH09273568A (en) * | 1996-04-03 | 1997-10-21 | Car Mate Mfg Co Ltd | Ratchet device |
| EP1447369A1 (en) * | 2003-02-04 | 2004-08-18 | Inventio Ag | Device for engaging the emergency braking device of an elevator car |
| CN102303802A (en) * | 2011-08-04 | 2012-01-04 | 中国兵器工业第二○二研究所 | Broken rope protective device of upright lift gate |
| CN102491144A (en) * | 2011-11-20 | 2012-06-13 | 江都市显业集团有限公司 | Rope breakage protecting device for main unit of flat-bottomed steep tank |
| CN202729513U (en) * | 2012-05-29 | 2013-02-13 | 新疆维吾尔自治区煤炭科学研究所 | Falling protector for rope-breakage car running in vertical shaft single rope cage |
| CN203568652U (en) * | 2013-11-08 | 2014-04-30 | 安徽理工大学 | Mine falling protector |
| CN110562821A (en) * | 2019-09-29 | 2019-12-13 | 中冶长天国际工程有限责任公司 | Mine hoist falling self-rescue system and control method |
| CN111148713A (en) * | 2017-09-27 | 2020-05-12 | 三菱电机大楼技术服务株式会社 | Step lifting auxiliary device of passenger conveyor |
-
2022
- 2022-11-02 CN CN202211363914.5A patent/CN115818389B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4313335A1 (en) * | 1993-04-23 | 1994-10-27 | Matthias Schum | Slide with fall brake |
| JPH09273568A (en) * | 1996-04-03 | 1997-10-21 | Car Mate Mfg Co Ltd | Ratchet device |
| EP1447369A1 (en) * | 2003-02-04 | 2004-08-18 | Inventio Ag | Device for engaging the emergency braking device of an elevator car |
| CN102303802A (en) * | 2011-08-04 | 2012-01-04 | 中国兵器工业第二○二研究所 | Broken rope protective device of upright lift gate |
| CN102491144A (en) * | 2011-11-20 | 2012-06-13 | 江都市显业集团有限公司 | Rope breakage protecting device for main unit of flat-bottomed steep tank |
| CN202729513U (en) * | 2012-05-29 | 2013-02-13 | 新疆维吾尔自治区煤炭科学研究所 | Falling protector for rope-breakage car running in vertical shaft single rope cage |
| CN203568652U (en) * | 2013-11-08 | 2014-04-30 | 安徽理工大学 | Mine falling protector |
| CN111148713A (en) * | 2017-09-27 | 2020-05-12 | 三菱电机大楼技术服务株式会社 | Step lifting auxiliary device of passenger conveyor |
| CN110562821A (en) * | 2019-09-29 | 2019-12-13 | 中冶长天国际工程有限责任公司 | Mine hoist falling self-rescue system and control method |
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| Publication number | Publication date |
|---|---|
| CN115818389B (en) | 2024-05-28 |
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