CN111874827A - High-speed elevator braking device - Google Patents
High-speed elevator braking device Download PDFInfo
- Publication number
- CN111874827A CN111874827A CN202010759660.3A CN202010759660A CN111874827A CN 111874827 A CN111874827 A CN 111874827A CN 202010759660 A CN202010759660 A CN 202010759660A CN 111874827 A CN111874827 A CN 111874827A
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- Prior art keywords
- clamping arm
- arm
- pulley
- oil cylinder
- hydraulic oil
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- 239000010720 hydraulic oil Substances 0.000 claims abstract description 29
- 230000007246 mechanism Effects 0.000 claims abstract description 24
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 14
- 239000010959 steel Substances 0.000 claims abstract description 14
- 238000009434 installation Methods 0.000 claims description 5
- 125000004122 cyclic group Chemical group 0.000 claims description 3
- 238000000034 method Methods 0.000 claims description 3
- 230000008569 process Effects 0.000 claims description 3
- 230000000694 effects Effects 0.000 description 4
- 238000001125 extrusion Methods 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66D—CAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
- B66D5/00—Braking or detent devices characterised by application to lifting or hoisting gear, e.g. for controlling the lowering of loads
- B66D5/02—Crane, lift hoist, or winch brakes operating on drums, barrels, or ropes
- B66D5/16—Crane, lift hoist, or winch brakes operating on drums, barrels, or ropes for action on ropes or cables
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66D—CAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
- B66D5/00—Braking or detent devices characterised by application to lifting or hoisting gear, e.g. for controlling the lowering of loads
- B66D5/02—Crane, lift hoist, or winch brakes operating on drums, barrels, or ropes
- B66D5/06—Crane, lift hoist, or winch brakes operating on drums, barrels, or ropes with radial effect
- B66D5/08—Crane, lift hoist, or winch brakes operating on drums, barrels, or ropes with radial effect embodying blocks or shoes
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Cage And Drive Apparatuses For Elevators (AREA)
Abstract
The invention discloses a high-speed elevator braking device which comprises an elevator braking device, a fixed seat mechanism, a clamping arm A and a clamping arm B, wherein the elevator braking device is provided with the fixed seat mechanism, pulleys are arranged inside the fixed seat mechanism, the clamping arm A, the clamping arm B and the clamping arm A are symmetrically arranged above and below the fixed seat mechanism, one end of the clamping arm B is arranged inside a clamping arm movable groove, close to two ends, of a fixed block, a hydraulic oil cylinder is arranged between the other ends of the clamping arm A and the clamping arm B, the clamping arm A and the clamping arm B are controlled to be close to each other through the hydraulic oil cylinder, and after the hydraulic oil cylinder is decompressed, a spring quickly pushes the clamping arm A and the clamping arm B away to separate the clamping arm A from the clamping arm B from a steel wire rope.
Description
Technical Field
The invention relates to the technical field of high-speed elevator braking devices, in particular to a high-speed elevator braking device.
Background
An elevator is a permanent transport device serving a number of specific floors in a building, the cars of which travel in at least two rigid tracks perpendicular to the horizontal or inclined at an angle of less than 15 ° to the vertical. There are also steps, where the tread plates are mounted on a track for continuous operation, commonly known as escalators or moving walkways. A fixed elevator apparatus serving a predetermined floor. The vertical lift elevator has a car that runs between at least two vertical rows of rigid guide rails or guide rails with an angle of inclination of less than 15 °. The size and the structural form of the car are convenient for passengers to access or load and unload goods. It is customary to use elevators as a generic term for vertical transport means in buildings, irrespective of their drive mode. According to the speed, the elevator can be divided into a low-speed elevator (below 4 m/s), a high-speed elevator (4-12 m/s) and a high-speed elevator (above 12 m/s). The hydraulic elevator begins to appear in the middle of the 19 th century and is still applied to low-rise buildings until now. In 1852, e.g. austs in the united states developed a safety hoist for wire rope hoisting. In the 80 s, further improvements were made to the drive means, such as motors driving the winding drum via a worm drive, the use of counterweights, etc. At the end of the 19 th century, friction wheel transmission is adopted, and the lifting height of the elevator is greatly increased.
The elevator is characterized in that two ends of a traction rope are respectively connected with a car and a counterweight and wound on a traction sheave and a guide pulley, a traction motor drives the traction sheave to rotate after speed change through a speed reducer, and the car and the counterweight move up and down by virtue of traction force generated by friction between the traction rope and the traction sheave, so as to achieve the purpose of transportation.
Function(s)
Modern elevators are mainly composed of a traction machine (winch), guide rails, a counterweight, safety devices (such as a speed limiter, a safety gear, a buffer and the like), a signal control system, a car, a hall door and the like. These parts are installed in the hoistway and machine room of the building, respectively. Usually, a steel wire rope is used for friction transmission, the steel wire rope bypasses a traction sheave, two ends of the steel wire rope are respectively connected with a car and a balance weight, and a motor drives the traction sheave to lift the car. The elevator requires safety and reliability, high conveying efficiency, accurate leveling, comfortable riding and the like. The basic parameters of the elevator mainly include rated load capacity, the number of passengers, rated speed, the overall dimension of the elevator car, the type of the hoistway, and the like.
When the elevator stops close to a floor, braking is needed, and a braking device which can effectively brake and has high stability is needed.
Disclosure of Invention
The invention aims to provide a high-speed elevator braking device which can effectively brake by adopting a mutual extrusion braking mode and has high stability, so as to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a high-speed elevator arresting gear, includes elevator arresting gear, fixed seat mechanism, arm lock A, arm lock B, the last fixed seat mechanism that is equipped with of elevator arresting gear, the inside of fixed seat mechanism is equipped with the pulley, and the top and the below of fixed seat mechanism are equipped with arm lock B respectively, arm lock A, arm lock B, cooperation installation between arm lock A's one end and the fixed seat mechanism, arm lock B is equipped with hydraulic cylinder between arm lock A's the other end, hydraulic cylinder's push shaft and arm lock B, fixed connection between the arm lock A, all be equipped with the thread connection cover on hydraulic cylinder's the both ends push shaft, the thread connection cover top of hydraulic cylinder top is equipped with the adjusting handle.
Preferably, be equipped with the fixed block on the fixing base mechanism, the inside symmetry that the fixed block is close to both ends is equipped with arm lock activity groove, and the inside in arm lock activity groove is equipped with the bearing mounting hole, one side central authorities of fixed block are equipped with the pulley mounting support, and the pulley mounting support is structure as an organic whole with the fixed block, the inside of pulley mounting support is equipped with the mounting hole, and the inboard of mounting hole is equipped with cyclic annular bearing, the bearing at pulley both ends is installed inside the mounting hole.
Preferably, an annular bearing mounting hole is formed in one end of the clamping arm A, a gasket is arranged on the inner side of the clamping arm A and is connected with the inner side of the clamping arm A in a welding mode, and a hydraulic oil cylinder push shaft mounting hole is formed in the other end of the clamping arm A.
Preferably, the inside annular bearing that is equipped with of one end of arm lock B, the inside hydraulic cylinder that is equipped with of other end of arm lock B pushes away a shaft mounting hole, arm lock B's inboard is equipped with the gasket, gasket and the inboard welded connection of arm lock B, arm lock B's inside is equipped with threading groove A and threading groove B, and threading groove A and threading groove B run through arm lock B in vertical direction, the interval between threading groove A and the threading groove B is the same with the diameter of pulley.
Preferably, gear discs are arranged on bearings on two sides of the pulley, and the gear discs are fixedly connected with the bearings of the pulley through long shaft bolts.
Preferably, the hydraulic oil cylinder is a double-shaft hydraulic oil cylinder, a push shaft of the hydraulic oil cylinder is connected with the clamping arm B, a spring is arranged between the clamping arm A, and the spring is sleeved on the push shaft of the hydraulic oil cylinder.
Preferably, the end of the clamping arm B and the end of the clamping arm A, which are provided with the annular bearings, are connected with the fixed block by adopting bearings.
Preferably, the braking process of the high-speed elevator braking device comprises the following steps:
A. after the elevator is started, the hydraulic oil cylinder decompresses when the elevator normally runs, meanwhile, the spring rapidly pushes the clamping arm B, the clamping arm A is pushed open to enable the clamping arm B to be separated from a steel wire pull rope outside the pulley, and the clamping arm B is separated from the pulley;
B. the motor drives a gear outside the end of the pulley to rotate, so that the pulley rotates in an auxiliary manner;
C. when the elevator needs to stop, the hydraulic oil cylinder slowly withdraws the two push shafts, the hydraulic oil cylinder enables the clamping arm B and the clamping arm A to be slowly close to the pulley and the steel wire rope outside the pulley, the clamping arm B and the clamping arm A are respectively close to the pulley and the steel wire rope to generate pressure on the pulley and the steel wire rope, and the elevator is braked.
Compared with the prior art, the invention has the beneficial effects that:
(1) the hydraulic oil cylinder is a double-shaft hydraulic oil cylinder, a push shaft of the hydraulic oil cylinder and the clamping arm B are arranged, and a spring is arranged between the clamping arm A and can rapidly open the clamping arm B and the clamping arm A, so that the sensing speed of the equipment is improved;
(2) the inner sides of the clamping arm B and the clamping arm A are respectively provided with a gasket, so that the friction force among the clamping arm B, the clamping arm A, the pulley and the steel wire rope is improved, and the braking efficiency of the device is improved;
(3) this device reasonable in design adopts the mode of extrusion braking each other to play effectual braking, and the stability of device is high.
Drawings
FIG. 1 is a schematic structural view of an elevator braking device according to the present invention;
FIG. 2 is a schematic view of a fixing base mechanism according to the present invention;
FIG. 3 is a schematic view of a clamp arm A of the present invention;
fig. 4 is a schematic view of a clamping arm B of the present invention.
In the figure: 1. an elevator braking device; 2. a hydraulic cylinder; 3. connecting holes; 4. adjusting a hand wheel; 5. a threaded connecting sleeve; 6. a threading groove A; 7. a threading groove B; 8. connecting a bearing; 9. a fixed seat mechanism; 10. a pulley; 11. a gear plate; 12. a clamp arm movable slot; 13. a clamping arm A; 14. a clamping arm B; 15. an annular bearing; 16. a gasket; 17. a fixed block; 18. a pulley mounting bracket; 19. mounting holes; 20. a spring.
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.
Referring to fig. 1-4, the present invention provides a technical solution: the utility model provides a high-speed elevator arresting gear, including elevator arresting gear 1, fixing base mechanism 9, arm lock A13, arm lock B14, be equipped with fixing base mechanism 9 on the elevator arresting gear 1, be equipped with fixed block 17 on the fixing base mechanism 9, the inside symmetry that fixed block 17 is close to both ends is equipped with arm lock activity groove 12, the inside of arm lock activity groove 12 is equipped with the bearing mounting hole, one side central authorities of fixed block 17 are equipped with pulley mounting support 18, pulley mounting support 18 and fixed block 17 structure as an organic whole, the inside of pulley mounting support 18 is equipped with mounting hole 19, the inboard of mounting hole 19 is equipped with cyclic annular bearing, the bearing at pulley 10 both ends is installed inside mounting hole 19.
The pulley 10 is arranged inside the fixing seat mechanism 9, the upper part and the lower part of the fixing seat mechanism 9 are respectively provided with a clamping arm B14, a clamping arm A13, a clamping arm B14, one end of a clamping arm A13 and the fixing seat mechanism 9 are installed in a matched manner, one end head of a clamping arm A13 is internally provided with an annular bearing installation hole, the inner side of a clamping arm A13 is provided with a gasket 16, the gasket 16 is welded and connected with the inner side of the clamping arm A13, the other end head of a clamping arm A13 is internally provided with a hydraulic cylinder push shaft installation hole, one end head of a clamping arm B14 is internally provided with an annular bearing 15, the other end head of a clamping arm B14 is internally provided with a hydraulic cylinder push shaft installation hole, the inner side of a clamping arm B14 is provided with a gasket 16, the gasket 16 is welded and connected with the inner side of a clamping arm B14, the clamping arm, 14 and the inner side of a clamping arm A13 are respectively provided with a gasket 16, the clamping arm B39, the threading groove A6 and the threading groove B7 penetrate through the clamping arm B14 in the vertical direction, the distance between the threading groove A6 and the threading groove B7 is the same as the diameter of the pulley 10, gear discs 11 are arranged on bearings on two sides of the pulley 10, and the gear discs 11 are fixedly connected with the bearings of the pulley 10 through long-shaft bolts.
The clamping arm B14, one end of the clamping arm A13 provided with the annular bearing 15 is connected with the fixed block through a bearing, the clamping arm B14 is provided with a hydraulic oil cylinder 2 between the other end of the clamping arm A13, the hydraulic oil cylinder 2 is a double-shaft hydraulic oil cylinder, a push shaft of the hydraulic oil cylinder 2 is connected with the clamping arm B14, a spring 20 is arranged between the clamping arms A13, the spring 20 is sleeved on the push shaft of the hydraulic oil cylinder 2, the spring 20 can rapidly enable the clamping arm B14, the clamping arm A13 is opened, the sensing speed of the equipment is improved, the push shaft of the hydraulic oil cylinder 2 is fixedly connected with the clamping arm B14, the clamping arm A13 is fixedly connected with each other, threaded connecting sleeves 5 are arranged on the push shafts at two ends of the hydraulic oil cylinder 2, an adjusting hand wheel 4 is arranged above the threaded connecting sleeves.
Braking process of the high-speed elevator braking device: after the elevator is started, hydraulic cylinder 2 decompresses when the elevator normally runs, spring 20 rapidly pushes away arm lock B14, arm lock A13 pushes away and makes arm lock B14, arm lock A13 is separated from the outside steel wire stay cord of pulley 10, separate between arm lock B14 and the pulley 10, motor drive pulley 10 end outside gear 11 rotates, make pulley 10 supplementary rotation, when the elevator needs to stop, hydraulic cylinder 2 slowly withdraws two push shafts, hydraulic cylinder 2 makes arm lock B14, arm lock A13 is slow with pulley 10, and the outside wire rope of pulley 10 is close to, arm lock B14 and arm lock A13 are close to pulley 10 and wire rope respectively, produce pressure to pulley and wire rope, realize the braking to the elevator.
This device reasonable in design adopts the mode of extrusion braking each other to play effectual braking, and the stability of device is high.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. The utility model provides a high-speed elevator arresting gear, includes elevator arresting gear (1), fixing base mechanism (9), arm lock A (13), arm lock B (14), its characterized in that: be equipped with fixing base mechanism (9) on elevator arresting gear (1), the inside of fixing base mechanism (9) is equipped with pulley (10), and the top and the below of fixing base mechanism (9) are equipped with arm lock B (14) respectively, arm lock A (13), cooperation installation between arm lock B (14), the one end of arm lock A (13) and fixing base mechanism (9), arm lock B (14) are equipped with hydraulic cylinder (2) between the other end of arm lock A (13), the push shaft and arm lock B (14) of hydraulic cylinder (2), fixed connection between arm lock A (13), all be equipped with threaded connection cover (5) on the push shaft of the both ends of hydraulic cylinder (2), threaded connection cover (5) top of hydraulic cylinder (2) is equipped with adjusting hand wheel (4).
2. A brake device for high-speed elevator according to claim 1, characterized in that: be equipped with fixed block (17) on fixed seat mechanism (9), the inside symmetry that fixed block (17) are close to both ends is equipped with arm lock movable slot (12), and the inside of arm lock movable slot (12) is equipped with the bearing mounting hole, one side central authorities of fixed block (17) are equipped with pulley mounting support (18), and pulley mounting support (18) and fixed block (17) structure as an organic whole, the inside of pulley mounting support (18) is equipped with mounting hole (19), and the inboard of mounting hole (19) is equipped with cyclic annular bearing, the bearing at pulley (10) both ends is installed inside mounting hole (19).
3. A brake device for high-speed elevator according to claim 1, characterized in that: the hydraulic cylinder clamping device is characterized in that an annular bearing mounting hole is formed in one end of the clamping arm A (13), a gasket (16) is arranged on the inner side of the clamping arm A (13), the gasket (16) is connected with the inner side of the clamping arm A (13) in a welded mode, and a hydraulic cylinder push shaft mounting hole is formed in the other end of the clamping arm A (13).
4. A brake device for high-speed elevator according to claim 1, characterized in that: the novel clamp arm is characterized in that an annular bearing (15) is arranged inside one end of the clamp arm B (14), a hydraulic oil cylinder push shaft mounting hole is arranged inside the other end of the clamp arm B (14), a gasket (16) is arranged on the inner side of the clamp arm B (14), the gasket (16) is welded to the inner side of the clamp arm B (14), a threading groove A (6) and a threading groove B (7) are arranged inside the clamp arm B (14), the threading groove A (6) and the threading groove B (7) penetrate through the clamp arm B (14) in the vertical direction, and the distance between the threading groove A (6) and the threading groove B (7) is the same as the diameter of the pulley (10).
5. A brake device for high-speed elevator according to claim 1, characterized in that: gear plates (11) are arranged on bearings on two sides of the pulley (10), and the gear plates (11) are fixedly connected with the bearings of the pulley (10) through long-shaft bolts.
6. A brake device for high-speed elevator according to claim 1, characterized in that: the hydraulic oil cylinder (2) is a double-shaft hydraulic oil cylinder, a push shaft of the hydraulic oil cylinder (2) is connected with the clamping arm B (14), a spring (20) is arranged between the clamping arms A (13), and the spring (20) is sleeved on the push shaft of the hydraulic oil cylinder (2).
7. A brake device for high-speed elevator according to claim 1, characterized in that: and one end of the clamping arm B (14) and one end of the clamping arm A (13) provided with the annular bearing (15) are connected with the fixed block by adopting a bearing.
8. The high-speed elevator braking device for realizing the braking process of claim 1 comprises the following steps:
A. after the elevator is started, when the elevator normally runs, the hydraulic oil cylinder (2) decompresses, the spring (20) rapidly pushes the clamping arm B (14), the clamping arm A (13) pushes away to enable the clamping arm B (14), the clamping arm A (13) is separated from a steel wire pull rope outside the pulley (10), and the clamping arm B (14) is separated from the pulley (10);
B. the motor drives a gear (11) outside the end of the pulley (10) to rotate, so that the pulley (10) rotates in an auxiliary manner;
C. when the elevator needs to stop, the hydraulic oil cylinder (2) slowly withdraws the two push shafts, the hydraulic oil cylinder (2) enables the clamping arm B (14), the clamping arm A (13) to slowly approach the pulley (10) and a steel wire rope outside the pulley (10), the clamping arm B (14) and the clamping arm A (13) respectively approach the pulley (10) and the steel wire rope to generate pressure on the pulley and the steel wire rope, and the elevator is braked.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010759660.3A CN111874827A (en) | 2020-07-31 | 2020-07-31 | High-speed elevator braking device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010759660.3A CN111874827A (en) | 2020-07-31 | 2020-07-31 | High-speed elevator braking device |
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| Publication Number | Publication Date |
|---|---|
| CN111874827A true CN111874827A (en) | 2020-11-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010759660.3A Pending CN111874827A (en) | 2020-07-31 | 2020-07-31 | High-speed elevator braking device |
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| CN (1) | CN111874827A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201626752U (en) * | 2010-03-17 | 2010-11-10 | 郭自刚 | Band-type brake elevator traction machine with mechanical buffering device |
| CN202226600U (en) * | 2011-08-25 | 2012-05-23 | 湖南创安防爆电器有限公司 | Inertia braking device for lifting winch |
| CN104136360A (en) * | 2011-12-27 | 2014-11-05 | 普拉德研究及开发股份有限公司 | Braking system and method for winch drum |
| CN204727532U (en) * | 2015-07-06 | 2015-10-28 | 河南省中原矿山设备有限公司 | Sure brake in a kind of ladle carne lifting mechanism |
| CN106744449A (en) * | 2016-12-22 | 2017-05-31 | 宁波市海翔远洋捕捞用具有限公司 | A kind of winch with brake gear |
| CN208732496U (en) * | 2018-08-15 | 2019-04-12 | 鑫诺电梯有限公司 | A kind of elevator brake with non-return cam |
| CN209193448U (en) * | 2018-09-04 | 2019-08-02 | 天津市东方先科石油机械有限公司 | A kind of novel electric well dredger winch |
-
2020
- 2020-07-31 CN CN202010759660.3A patent/CN111874827A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201626752U (en) * | 2010-03-17 | 2010-11-10 | 郭自刚 | Band-type brake elevator traction machine with mechanical buffering device |
| CN202226600U (en) * | 2011-08-25 | 2012-05-23 | 湖南创安防爆电器有限公司 | Inertia braking device for lifting winch |
| CN104136360A (en) * | 2011-12-27 | 2014-11-05 | 普拉德研究及开发股份有限公司 | Braking system and method for winch drum |
| CN204727532U (en) * | 2015-07-06 | 2015-10-28 | 河南省中原矿山设备有限公司 | Sure brake in a kind of ladle carne lifting mechanism |
| CN106744449A (en) * | 2016-12-22 | 2017-05-31 | 宁波市海翔远洋捕捞用具有限公司 | A kind of winch with brake gear |
| CN208732496U (en) * | 2018-08-15 | 2019-04-12 | 鑫诺电梯有限公司 | A kind of elevator brake with non-return cam |
| CN209193448U (en) * | 2018-09-04 | 2019-08-02 | 天津市东方先科石油机械有限公司 | A kind of novel electric well dredger winch |
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Application publication date: 20201103 |