CN204342218U - A kind of building hoist electromagnetism anti-fall device - Google Patents
A kind of building hoist electromagnetism anti-fall device Download PDFInfo
- Publication number
- CN204342218U CN204342218U CN201420752688.4U CN201420752688U CN204342218U CN 204342218 U CN204342218 U CN 204342218U CN 201420752688 U CN201420752688 U CN 201420752688U CN 204342218 U CN204342218 U CN 204342218U
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- Prior art keywords
- fall
- cage
- standard knot
- electromagnetism
- angle bar
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- Cage And Drive Apparatuses For Elevators (AREA)
Abstract
The utility model relates to a kind of building hoist electromagnetism anti-fall device, comprise cage reinforcing crossmember (1), electromagnetism magnetic cylinder (2), thrust spring (3), pushing mechanism (4), standard knot column (6), brake anti-fall box (7), brake anti-fall piece (8), it acts on the support angle bar (9) of the upper welding of standard knot column (6), and this cage falling-proof device is easy to use, and it utilizes electromagnetic principle, rely on the electromagnetic attraction of magnetic cylinder, carry out work.When machinery normally works, magnetic cylinder is energized, and relies on its electromagnetic attraction to retract anti-fall piece, now cage can be elevated freely, complete the work that can bear, circuit is once power-off (power failure, disconnected rope, weight limit device restriction startup, just inhibiting device startup etc.), and magnetic cylinder loses magnetic force because losing electric power, the application force of anti-fall piece of dependence spring, ejecting immediately, when running into the stull of standard knot, at once being stopped by stull, and rest on herein, no longer drop.Thus serve the effect preventing cage from dropping.
Description
Technical field
The utility model relates to elevator or elevator field, is specifically related to a kind of anti-fall device of elevator.
Background technology
The building hoist that Vehicles Collected from Market uses, material machine anti-fall device generally more adopts the anti-fall device linked together with lifting rope, it is only applicable to the anti-fall effect (under state of weightlessness) when disconnected rope substantially, and in power failure, position of transfiniting, the situation such as overweight, mostly substantially lose effect.Thus lose the protective effect of anti-fall device, add the danger of construction operation.
Utility model content
For above anti-fall device drawback in use, the utility model provides a kind of novel anti-fall device, the series connection such as load lifting limiter, height inhibiting device use by it, when disconnected rope, overload, power failure suddenly, superelevation, position, the end, it acts in time, and (anti-fall piece of ejection) prevents cage from gliding, thus serves safety protection function.
The utility model provides a kind of building hoist electromagnetism anti-fall device, it comprises cage reinforcing crossmember, electromagnetism magnetic cylinder, thrust spring, pushing mechanism, standard knot column, brake anti-fall box, brake anti-fall piece, standard knot supports angle bar, wherein cage reinforcing crossmember is arranged at the midway location of the top of elevator craning cage, electromagnetism magnetic cylinder is fixed on the low order end of cage reinforcing crossmember, its left end is energized, right-hand member connects the left end of thrust spring, the right-hand member of thrust spring connects pushing mechanism, the other end of pushing mechanism is connected with the braking anti-fall piece of one end in the anti-fall box of braking, the ferropexy of standard knot strut angle is on standard knot column, the left end that standard knot supports angle bar to be separated by nearer distance with the anti-fall box of braking, brake anti-fall piece to stretch out from the anti-fall box of braking, until standard knot supports the top of angle bar.
Cage reinforcing crossmember has two, for be arrangeding in parallel.
Electromagnetism magnetic cylinder is fixed in the middle of two cage reinforcing crossmembers.
Standard knot comprises column and supports angle bar, and standard knot is fixed on the base in the middle of elevator two cage, and cage is then along standard knot column up-and-down movement.
Left end and the distance of braking between anti-fall box of standard knot support angle bar are less than the lateral length braking anti-fall piece.
Left end and the distance of braking between anti-fall box of standard knot support angle bar are about 20mm.
Brake anti-fall piece when promoting to stretch out the anti-fall box of braking via thrust mechanism, extendedly support the upper surface of angle bar to standard knot, via this support angle bar, anti-fall piece of braking is supported.
This device also comprises cage side girder, and cage side girder is fixed on the right side of the cage of elevator, and welds with the right side of cage reinforcing crossmember.
The beneficial effects of the utility model:
This cage falling-proof device is easy to use, and it utilizes electromagnetic principle, rely on the electromagnetic attraction of magnetic cylinder, carries out work.
1, when machinery normally works, magnetic cylinder is energized, and rely on its electromagnetic attraction to retract anti-fall piece, now cage can be elevated freely, completes the work that can bear.
2, circuit is once power-off (power failure, disconnected rope, weight limit device restriction startup, just inhibiting device startup etc.), magnetic cylinder loses magnetic force because losing electric power, the application force of anti-fall piece of dependence spring, eject immediately, when running into the stull of standard knot, at once stopped by stull, and rest on herein, no longer glide.Thus serve the effect preventing cage from dropping.
This building hoist electromagnetism anti-fall device is owing to being be installed on the risk can avoiding aloft work in cage better, be convenient to I&M, be particularly useful for supporting the use and the Renovation and reconstruction of existing equipment (elevator, material machine) of new installation.
Accompanying drawing explanation
Fig. 1 is the structural representation of building hoist electromagnetism anti-fall device of the present utility model when being energized;
Fig. 2 is the structural representation of building hoist electromagnetism anti-fall device of the present utility model when power-off;
Description of reference numerals:
1-cage reinforcing crossmember, 2-electromagnetism magnetic cylinder, 3-thrust spring, 4-pushing mechanism, 5-cage side girder, 6-standard knot column, 7-brake anti-fall box, 8-brake anti-fall piece, 9-standard knot supports angle bar
Detailed description of the invention
Below in conjunction with drawings and Examples, detailed description of the invention of the present utility model is described in further detail.Following examples for illustration of the utility model, but are not used for limiting scope of the present utility model.
As depicted in figs. 1 and 2, the utility model provides a kind of building hoist electromagnetism anti-fall device, it comprises cage reinforcing crossmember 1, electromagnetism magnetic cylinder 2, thrust spring 3, pushing mechanism 4, standard knot column 6, brake anti-fall box 7, brake anti-fall piece 8, standard knot supports angle bar 9, wherein cage reinforcing crossmember 1 is arranged at the cage midway location topmost of elevator, electromagnetism magnetic cylinder (2) is fixed on the low order end of cage reinforcing crossmember (1), its left end is energized, right-hand member connects the left end of thrust spring 3, the right-hand member of thrust spring 3 connects pushing mechanism 4, the other end of pushing mechanism 4 is connected with braking anti-fall piece of 8 one end in the anti-fall box 7 of braking, standard knot supports angle bar 9 and is fixed on standard knot column 6, the left end that standard knot supports angle bar 9 with brake the concordant or nearer distance of being separated by of anti-fall box 7, during to make to be energized at ordinary times, elevator can not be subject to the obstruction that this standard knot supports angle bar 9, brake anti-fall piece 8 to stretch out from the anti-fall box 7 of braking, until standard knot supports the top of angle bar 9.
Be understandable that, the brake portion of this anti-fall device is fixed on the side girder 5 of cage, and its electromagnetism magnetic cylinder 2 is fixed on two reinforcing crossmembers 1 in the middle of cage.When machinery normally works, electromagnetism magnetic cylinder 2 is energized, and relies on its electromagnetic attraction and is retracted anti-fall piece 8 by pushing mechanism 4, and now leave standard knot for anti-fall piece 8 and support angle bar 9 about about 20mm, cage can be elevated freely, completes the work that can bear.
When circuit once power-off (power failure, disconnected rope, weight limit device restriction startup, just inhibiting device startup etc.), electromagnetism magnetic cylinder 2 loses magnetic force because losing electric power, brake and rely on for anti-fall piece 8 the application force of thrust spring 3 to be ejected immediately by pushing mechanism 4, when running into standard knot and supporting angle bar 9, at once supported angle bar 9 by standard knot to stop, thus make cage rest on herein, no longer glide.Thus serve the effect preventing cage from dropping.
This anti-fall device mainly utilizes the magnetic action of electromagnetism magnetic cylinder 2, implements the control of anti-fall piece 8.
Further; cage reinforcing crossmember 1 has two; for setting up and down; the object first arranging two cage reinforcing crossmembers 1 is the weight in order to support elevator; reach the effect of reinforcing; second is to place electromagnetism magnetic cylinder 2 in wherein, also serving certain protective effect to electromagnetism magnetic cylinder 2.
Further, electromagnetism magnetic cylinder 2 is fixed in the middle of two cage reinforcing crossmembers 1, can play the effect of protection so well to electromagnetism magnetic cylinder 2.
Further, standard knot comprises column 6 and supports angle bar 9, and be fixed on the base in the middle of elevator two cage, cage is then along standard knot column up-and-down movement.The object one arranging standard knot column 6 is the track in order to provide cage upper and lower, and two is standard knot is supported angle bar 9 to be firmly fixed thereon, to reach the object of final supporting elevation machine.
Further, left end and the distance of braking between anti-fall box 7 of standard knot support angle bar 9 are less than the lateral length braking anti-fall piece 8, such design is to make anti-fall piece 8 top that can reach standard knot support angle bar 9, to support anti-fall piece 8 by supporting angle bar 9, reach the object of supporting elevation machine.
Further, standard knot supports the left end of angle bar 9 and the distance of braking between anti-fall box 7 is preferably about 20mm.
Further, brake when promoting to stretch out the anti-fall box 7 of braking via thrust mechanism 4 for anti-fall piece 8, extendedly support the upper surface of angle bar 9 to standard knot, via this support angle bar 9, braking is supported, to reach the object of final supporting elevation machine for anti-fall piece 8.
Further, this device also comprises cage side girder 5, and cage side girder 5 is fixed on the cage side of elevator, is welded in the right side of cage reinforcing crossmember 1, brake and be fixed for anti-fall piece 8 with on this cage side girder 5, and make to support elevator more firmly when power-off.
The brake portion of this anti-fall device is fixed on the side girder 5 of cage, its electromagnetism magnetic cylinder 2 is fixed on two reinforcing crossmembers 1 in the middle of cage, when machinery normally works, electromagnetism magnetic cylinder 2 is energized, rely on its electromagnetic attraction and by pushing mechanism 4, anti-fall piece 8 retracted, now leave standard knot for anti-fall piece 8 and support angle bar 9 about about 20mm, cage can be elevated freely, completes the work that can bear.
When circuit once power-off (power failure, disconnected rope, weight limit device restriction startup, just inhibiting device startup etc.), electromagnetism magnetic cylinder 2 loses magnetic force because losing electric power, brake and rely on for anti-fall piece 8 the application force of thrust spring 3 to be ejected immediately by pushing mechanism 4, when running into the support angle bar 9 of standard knot, at once supported angle bar 9 by standard knot to stop, thus make cage rest on herein, no longer glide.Thus serve the effect preventing cage from dropping.
This anti-fall device mainly utilizes the magnetic action of electromagnetism magnetic cylinder 2, implements the object to the control of anti-fall piece 8.
The above is only preferred implementation of the present utility model; should be understood that; for those skilled in the art; under the prerequisite not departing from the utility model know-why; can also make some improvement and modification, these improve and modification also should be considered as protection domain of the present utility model.
Claims (8)
1. a building hoist electromagnetism anti-fall device, it is characterized in that comprising cage reinforcing crossmember (1), electromagnetism magnetic cylinder (2), thrust spring (3), pushing mechanism (4), standard knot column (6), brake anti-fall box (7), brake anti-fall piece (8), standard knot supports angle bar (9), wherein cage reinforcing crossmember (1) is arranged at the midway location of the top of elevator craning cage, electromagnetism magnetic cylinder (2) is fixed on the low order end of cage reinforcing crossmember (1), its left end is energized, right-hand member connects the left end of thrust spring (3), the right-hand member of thrust spring (3) connects pushing mechanism (4), the other end of pushing mechanism (4) is connected with braking anti-fall piece of (8) one end in the anti-fall box of braking (7), cage is along standard knot column (6) up-and-down movement, support angle bar (9) to be then fixed on standard knot, the left end that standard knot supports angle bar (9) to be separated by nearer distance with the anti-fall box of braking (7), brake anti-fall piece (8) to stretch out from the anti-fall box of braking (7), until standard knot supports the top of angle bar (9).
2. a kind of building hoist electromagnetism anti-fall device according to claim 1, is characterized in that: cage reinforcing crossmember (1) has two, for be arrangeding in parallel.
3. a kind of building hoist electromagnetism anti-fall device according to claim 1, is characterized in that: electromagnetism magnetic cylinder (2) is fixed in the middle of two cage reinforcing crossmembers (1).
4. a kind of building hoist electromagnetism anti-fall device according to claim 1, it is characterized in that: standard knot comprises column (6) and supports angle bar (9), standard knot is fixed on the base in the middle of elevator two cage, and cage is then along standard knot column up-and-down movement.
5. a kind of building hoist electromagnetism anti-fall device according to claim 1, is characterized in that: the distance that standard knot supports between the left end of angle bar (9) and the anti-fall box of braking (7) is less than the lateral length braking anti-fall piece (8).
6. a kind of building hoist electromagnetism anti-fall device according to claim 5, is characterized in that: the distance that standard knot supports between the left end of angle bar (9) and the anti-fall box of braking (7) is about 20mm.
7. a kind of building hoist electromagnetism anti-fall device according to claim 1, it is characterized in that: brake anti-fall piece (8) via thrust mechanism (4) promote stretch out braking anti-fall box (7) time, the extended upper surface supporting angle bar (9) to standard knot, supports braking anti-fall piece (8) via this support angle bar (9).
8. a kind of building hoist electromagnetism anti-fall device according to claim 1, it is characterized in that: this device also comprises cage side girder (5), cage side girder (5) is fixed on the right side of elevator craning cage, and welds with cage reinforcing crossmember (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420752688.4U CN204342218U (en) | 2014-12-02 | 2014-12-02 | A kind of building hoist electromagnetism anti-fall device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420752688.4U CN204342218U (en) | 2014-12-02 | 2014-12-02 | A kind of building hoist electromagnetism anti-fall device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204342218U true CN204342218U (en) | 2015-05-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420752688.4U Expired - Fee Related CN204342218U (en) | 2014-12-02 | 2014-12-02 | A kind of building hoist electromagnetism anti-fall device |
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| CN (1) | CN204342218U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105384037A (en) * | 2015-12-03 | 2016-03-09 | 中国矿业大学 | Elevator car coding positioning system and control method |
| CN106219363A (en) * | 2016-08-31 | 2016-12-14 | 住友富士电梯有限公司 | A kind of elevator of fall arrest |
| CN107720643A (en) * | 2017-09-28 | 2018-02-23 | 乐志堡 | One kind rotates adjustable novel electric power inspection platform |
| CN107848750A (en) * | 2015-08-04 | 2018-03-27 | 奥的斯电梯公司 | Apparatus and method for activating elevator safety brake |
| CN110902520A (en) * | 2018-09-14 | 2020-03-24 | 胡本强 | Elevator overspeed protection device |
| CN110937485A (en) * | 2019-12-10 | 2020-03-31 | 湖北铜都通用电梯有限公司 | Elevator with a movable elevator car |
-
2014
- 2014-12-02 CN CN201420752688.4U patent/CN204342218U/en not_active Expired - Fee Related
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107848750A (en) * | 2015-08-04 | 2018-03-27 | 奥的斯电梯公司 | Apparatus and method for activating elevator safety brake |
| CN105384037A (en) * | 2015-12-03 | 2016-03-09 | 中国矿业大学 | Elevator car coding positioning system and control method |
| CN105384037B (en) * | 2015-12-03 | 2017-07-28 | 中国矿业大学 | Lift car coding positioning system and control method |
| CN106219363A (en) * | 2016-08-31 | 2016-12-14 | 住友富士电梯有限公司 | A kind of elevator of fall arrest |
| CN107720643A (en) * | 2017-09-28 | 2018-02-23 | 乐志堡 | One kind rotates adjustable novel electric power inspection platform |
| CN107720643B (en) * | 2017-09-28 | 2019-03-19 | 广东宏涛建设有限公司 | A kind of adjustable novel electric power inspection platform of rotation |
| CN110902520A (en) * | 2018-09-14 | 2020-03-24 | 胡本强 | Elevator overspeed protection device |
| CN110902520B (en) * | 2018-09-14 | 2021-04-06 | 胡本强 | Elevator overspeed protection device |
| CN110937485A (en) * | 2019-12-10 | 2020-03-31 | 湖北铜都通用电梯有限公司 | Elevator with a movable elevator car |
| CN110937485B (en) * | 2019-12-10 | 2021-08-31 | 湖北铜都通用电梯有限公司 | Elevator with a movable elevator car |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150520 Termination date: 20151202 |
|
| EXPY | Termination of patent right or utility model |