CN203461654U - Speed restriction trigger - Google Patents
Speed restriction trigger Download PDFInfo
- Publication number
- CN203461654U CN203461654U CN201320499222.3U CN201320499222U CN203461654U CN 203461654 U CN203461654 U CN 203461654U CN 201320499222 U CN201320499222 U CN 201320499222U CN 203461654 U CN203461654 U CN 203461654U
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- China
- Prior art keywords
- centrifugal
- block
- speed limit
- binary pair
- pair
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- Expired - Lifetime
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- Maintenance And Inspection Apparatuses For Elevators (AREA)
Abstract
The utility model discloses a speed restriction trigger. The speed restriction trigger comprises a speed restriction trigger base, a trigger winding drum fixed on the speed restriction trigger base and provided with a ratchet tooth, a speed measuring wheel, a pair of centrifugal blocks, a centrifugal block base, an adjusting spring and a spindle, wherein the speed measuring wheel is coaxially connected to the centrifugal block base through the spindle, the end portions of the centrifugal blocks are respectively blocked on two sides of the centrifugal block base, the other ends of the centrifugal blocks are connected with each other through the adjusting spring, and the centrifugal blocks are respectively provided with ratchets. The speed restriction trigger has the advantages of simple structure, and high safety and reliability, and can be installed at the top of a cage of a lifter so as to realize functions of speed restriction triggering and braking of the cage. The speed restriction trigger with the excellent performance can be widely applied to the elevator industry or the building mechanical equipment industry.
Description
Technical field
The utility model relates to lifting weight-lifting equipment safety method field, the safety guard trigger unit that particularly cage of simple and crude building construction hoist (car) antistall falls.
Background technology
Tradition relies on the velocity limiter of wire rope transfers signal must be installed on the top of equipment, the signal steel rope of velocity limiter is worn around being locked coil rope system, the power resources that trigger safety tongs action make steel rope and fifth wheel form certain friction force in the deadweight of weight, are decided by the deadweight of weight as the size that pulls the friction force of safety tongs.When cage (car) exceeds the speed limit, velocity limiter is by the signal steel rope stop of synchronized operation, and cage continuation is descending will pull safety tongs action stop cage.The velocity limiter that wherein used must be installed on the top of equipment, and the danger that velocity limiter exists aloft work is particularly installed at building construction hoist support body top, is also unfavorable for installing and maintenance and inspection.The velocity limiter that install at traditional building hoist cage top causes the defect of using and installing, and no one expected the design plan of binary pair before, and industry is badly in need of wanting a kind of can be installed on cage top and safe and reliable speed limit binary pair.
Tradition also has the velocity limiter of electronic type, and because velocity of electrons detects the high strong interference affects that is easily subject to industrial environment, fluctuation of service is reliable, causes electronic speed limit binary pair Bu Bei national security superintendent office to accept.
Utility model content
In order to solve above-mentioned technical matters, the purpose of this utility model is to provide a kind of simple and ingenious structure, speed limit binary pair easy for installation.
The utility model solves the technical scheme that its technical matters adopts:
A kind of speed limit binary pair, comprise speed limit binary pair seat, be fixed on speed limit binary pair seat triggering reel, fifth wheel, a pair of centrifugal-block, centrifugal block with hook tooth, adjust spring and main shaft, fifth wheel is coaxially connected with centrifugal block by main shaft, one end of a pair of centrifugal-block is stuck in centrifugal block both sides, the other end of a pair of centrifugal-block interconnects by adjusting spring, and described a pair of centrifugal-block is respectively also with ratchet.
A kind of speed limit binary pair, comprise speed limit binary pair seat, be fixed on speed limit binary pair seat triggering reel, fifth wheel, centrifugal-block, centrifugal block with hook tooth, adjust spring and main shaft, fifth wheel is coaxially connected with centrifugal block by main shaft, centrifugal-block one end is stuck in centrifugal block one end, the centrifugal-block other end is connected with the centrifugal block other end by adjusting spring, and described centrifugal-block is also with ratchet.
As the utility model further preferred embodiment, described centrifugal-block is two, and described adjustment spring is two.
As the utility model further preferred embodiment, described a pair of centrifugal-block is symmetricly set on centrifugal block both sides.
As the utility model further preferred embodiment, also comprise elastic positioner, the described triggering reel with hook tooth is positioned on speed limit binary pair seat by elastic positioner.
As the utility model further preferred embodiment, the hook tooth of the described triggering reel with hook tooth is arranged on the edge that triggers reel, hook tooth to be shaped as wide bottom, top narrow.
As the utility model further preferred embodiment, the ratchet shape of described centrifugal-block is that narrow outside, inner side is wide.
As the utility model further preferred embodiment, described centrifugal block is provided with circular draw-in groove, and one end of centrifugal-block is circular plush copper and snaps in the draw-in groove of centrifugal block.
As the utility model further preferred embodiment, described fifth wheel is connected by flat key with main shaft, and described centrifugal block is connected by flat key with main shaft.
As the utility model further preferred embodiment, the described triggering reel with hook tooth is replaceable be bull stick pull bar, connecting rod mechanism, cam mechanism any.
The beneficial effects of the utility model are: the utility model is simple in structure and safe and reliable, can be installed on elevator craning cage top and realize the function that cage speed limit triggers stop, the building hoist one that the utility model speed limit binary pair has been installed is to solve steel rope must be arranged on the technical barrier at complete machine top as the velocity limiter of the elevator of driving medium lifting or the elevator of building ground construction use, integrated speed limit and triggering in one, can be installed on cage (car) top, need not climb to frame and rise empty installation, reduce installation risk; The 2nd, because velocity limiter can be installed on cage (car) applied on top, the signal steel rope system of velocity limiter can not be closed, complete machine top is fixed in one end of its steel rope, the other end is worn and after fifth wheel, is fixed on weight, the friction force of steel rope and fifth wheel forms the counter-force sum that derives from weight and top fixed end, therefore can alleviate weight 1/2 weight and reduce signal steel rope 1/2 length, reduce manufacturing cost; The 3rd, speed limit trigger mechanism is reel, can trigger one or more mechanism simultaneously and move simultaneously.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the utility model is described in further detail.
Fig. 1 is the integral structure cutaway view of the utility model the first embodiment;
Fig. 2 is the integral structure front view of the utility model the first embodiment;
Fig. 3 is the triggering mode schematic diagram of the utility model the 3rd embodiment;
Fig. 4 is the triggering mode schematic diagram of the utility model the 4th embodiment.
The specific embodiment
See figures.1.and.2, the first embodiment of the present utility model is a kind of speed limit binary pair, comprise speed limit binary pair seat 2, be fixed on speed limit binary pair seat 2 triggering reel 1, fifth wheel 3, a pair of centrifugal-block, centrifugal block 7 with hook tooth, adjust spring 6 and main shaft 8, fifth wheel 3 is coaxially connected with centrifugal block 7 by main shaft 8, one end of a pair of centrifugal-block is stuck in centrifugal block 7 both sides, the other end of a pair of centrifugal-block interconnects by adjusting spring 6, and described a pair of centrifugal-block is respectively also with ratchet.
The second embodiment of the present utility model is a kind of speed limit binary pair, comprise speed limit binary pair seat 2, be fixed on speed limit binary pair seat 2 triggering reel 1, fifth wheel 3, centrifugal-block 5, centrifugal block 7 with hook tooth, adjust spring 6 and main shaft 8, fifth wheel 3 is coaxially connected with centrifugal block 7 by main shaft 8, centrifugal-block 5 one end are stuck in centrifugal block 7 one end, centrifugal-block 5 other ends are connected with centrifugal block 7 other ends by adjusting spring 6, and described centrifugal-block 5 is also with ratchet.
As the utility model further preferred embodiment, described centrifugal-block 5 is two, and described adjustment spring 6 is two.
As the utility model further preferred embodiment, described a pair of centrifugal-block is symmetricly set on centrifugal block 7 both sides.
As the utility model further preferred embodiment, also comprise elastic positioner 4, the described triggering reel 1 with hook tooth is positioned on speed limit binary pair seat 2 by elastic positioner 4.
As the utility model further preferred embodiment, the hook tooth of the described triggering reel 1 with hook tooth is arranged on the edge that triggers reel, hook tooth to be shaped as wide bottom, top narrow.
As the utility model further preferred embodiment, the ratchet shape of described centrifugal-block 5 is that narrow outside, inner side is wide.
As the utility model further preferred embodiment, described centrifugal block 7 is provided with circular draw-in groove, and one end of centrifugal-block 5 is circular plush copper and snaps in the draw-in groove of centrifugal block 7.
As the utility model further preferred embodiment, described fifth wheel 3 is connected by flat key with main shaft 8, and described centrifugal block 7 is connected by flat key with main shaft 8.
With reference to Fig. 3 and Fig. 4, as the utility model further preferred embodiment, the described triggering reel 1 with hook tooth is replaceable be bull stick pull bar, connecting rod mechanism, cam mechanism any.
The utility model provides a kind of integral type speed limit trigger mechanism that can directly be installed on cage (car) applied on top.The signal steel rope system of velocity limiter is Unseal type.
A speed limit binary pair, comprises speed limit binary pair seat, the triggering reel with hook tooth, fifth wheel, elastic positioner, adjustment spring, main shaft, centrifugal block and a pair of centrifugal-block.Centnifugal force according to a pair of centrifugal-block when limiting speed is adjusted the pulling force of adjusting spring, under the centrifugal action of a pair of centrifugal-block rotating with fifth wheel when the speed of fifth wheel surpasses restriction speed, breaking through the pulling force constraint of adjusting spring opens in the hook tooth getting rid of with the triggering reel of hook tooth, thereby drive the triggering reel with hook tooth to rotate, by the triggering reel Wound steel rope with hook tooth, pull one or more clamp holder for guide rail actions to clamp cage (car) guide rail.
Being further used as preferred embodiment, is action component with the triggering reel of hook tooth, can trigger other mechanism action by Wound steel rope, triggers reel and can change into and trigger bull stick, rocker-arm link, cam mechanism etc.
With reference to Fig. 1, a kind of speed limit binary pair, comprises speed limit binary pair seat 2, the triggering reel 1 with hook tooth, fifth wheel 3, elastic positioner 4, adjusts spring 6, main shaft 8, centrifugal block 7 and a pair of centrifugal-block.The described triggering reel 1 with hook tooth is positioned on speed limit binary pair seat 2 by elastic positioner 4, does not have External Force Acting can not rotate; Described fifth wheel 3 connects centrifugal block 7 by main shaft and a pair of centrifugal-block drives next to play rotation at steel rope; Described a pair of centrifugal-block is held by adjusting spring 6, when centnifugal force out of reach is adjusted the specified pulling force of spring 6, can not open outward; Centnifugal force according to a pair of centrifugal-block when limiting speed is adjusted the pulling force of adjusting spring 6, under the centrifugal action of a pair of centrifugal-block rotating with fifth wheel 3, break through the pulling force constraint of adjusting spring 6 and open in the hook tooth getting rid of with the triggering reel 1 of hook tooth when the speed of fifth wheel 3 surpasses restriction speed, thereby drive the triggering reel 1 with hook tooth to rotate.By the triggering reel Wound steel rope sliding guides clamper action with hook tooth, clamp car guide rail.Car (cage) clamper that the utility model triggers stall tenesmus by car (cage) stop on guide rail, effectively prevented the safety misadventure of tenesmus, support personnel's personal safety, and integrated speed limit and triggering are integrated, can be installed on cage top, need not climb to frame and rise empty installation, reduce installation risk.
Triggering reel with hook tooth is action component, can trigger other mechanism action by Wound steel rope, triggers reel and can change triggering bull stick into.
Triggering reel of the present utility model can pull mode for reel, also can change into and trigger bull stick, rocker-arm link, cam mechanism etc.The mode of other Trigger Functions all should be considered as, to equivalents of the present utility model, should being included in the scope of the utility model patent protection.
More than that better enforcement of the present utility model is illustrated, but the utility model is created and is not limited to described embodiment, those of ordinary skill in the art also can make all equivalent variations or replacement under the prerequisite without prejudice to the utility model spirit, and the modification that these are equal to or replacement are all included in the application's claim limited range.
Claims (10)
1. a speed limit binary pair, it is characterized in that: comprise speed limit binary pair seat (2), be fixed on the upper triggering reel (1) with hook tooth of speed limit binary pair seat (2), fifth wheel (3), a pair of centrifugal-block, centrifugal block (7), adjustment spring (6) and main shaft (8), fifth wheel (3) is coaxially connected with centrifugal block (7) by main shaft (8), one end of a pair of centrifugal-block is stuck in centrifugal block (7) both sides, the other end of a pair of centrifugal-block interconnects by adjusting spring (6), and described a pair of centrifugal-block is respectively also with ratchet.
2. a speed limit binary pair, it is characterized in that: comprise speed limit binary pair seat (2), be fixed on the upper triggering reel (1) with hook tooth of speed limit binary pair seat (2), fifth wheel (3), centrifugal-block (5), centrifugal block (7), adjustment spring (6) and main shaft (8), fifth wheel (3) is coaxially connected with centrifugal block (7) by main shaft (8), centrifugal-block (5) one end is stuck in centrifugal block (7) one end, centrifugal-block (5) other end is connected with centrifugal block (7) other end by adjusting spring (6), and described centrifugal-block (5) is also with ratchet.
3. a kind of speed limit binary pair according to claim 2, is characterized in that: described centrifugal-block (5) is two, and described adjustment spring (6) is two.
4. according to a kind of speed limit binary pair described in claim 1 or 3, it is characterized in that: described a pair of centrifugal-block is symmetricly set on centrifugal block (7) both sides.
5. according to a kind of speed limit binary pair described in claim 1 or 3, it is characterized in that: also comprise elastic positioner (4), the described triggering reel (1) with hook tooth is positioned on speed limit binary pair seat (2) by elastic positioner (4).
6. a kind of speed limit binary pair according to claim 5, is characterized in that: the hook tooth of the described triggering reel (1) with hook tooth is arranged on the edge that triggers reel, hook tooth to be shaped as wide bottom, top narrow.
7. a kind of speed limit binary pair according to claim 6, is characterized in that: the ratchet shape of described centrifugal-block (5) is that narrow outside, inner side is wide.
8. a kind of speed limit binary pair according to claim 7, is characterized in that: described centrifugal block (7) is provided with circular draw-in groove, and one end of centrifugal-block (5) is circular plush copper and snaps in the draw-in groove of centrifugal block (7).
9. a kind of speed limit binary pair according to claim 8, is characterized in that: described fifth wheel (3) is connected by flat key with main shaft (8), and described centrifugal block (7) is connected by flat key with main shaft (8).
10. according to a kind of speed limit binary pair described in claim 1 or 3, it is characterized in that: the described triggering reel (1) with hook tooth replaceable for bull stick pull bar, connecting rod mechanism, cam mechanism any.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320499222.3U CN203461654U (en) | 2013-08-12 | 2013-08-12 | Speed restriction trigger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320499222.3U CN203461654U (en) | 2013-08-12 | 2013-08-12 | Speed restriction trigger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203461654U true CN203461654U (en) | 2014-03-05 |
Family
ID=50174030
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320499222.3U Expired - Lifetime CN203461654U (en) | 2013-08-12 | 2013-08-12 | Speed restriction trigger |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203461654U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103434909A (en) * | 2013-08-12 | 2013-12-11 | 谭锦泉 | Speed limiting trigger |
| US11465881B2 (en) | 2018-04-25 | 2022-10-11 | Otis Elevator Company | Governor assembly and elevator system |
-
2013
- 2013-08-12 CN CN201320499222.3U patent/CN203461654U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103434909A (en) * | 2013-08-12 | 2013-12-11 | 谭锦泉 | Speed limiting trigger |
| US11465881B2 (en) | 2018-04-25 | 2022-10-11 | Otis Elevator Company | Governor assembly and elevator system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20170505 Address after: 529700, No. two, Desheng District, Taoyuan Town, Heshan, Guangdong, 17 Patentee after: Heshan Construction Machinery Factory Co.,Ltd. Address before: 529700 Heshan, Guangdong, Xinhua Road, No. 1303, room 168, Patentee before: Tan Jinquan |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140305 |