CN103434909A - Speed limiting trigger - Google Patents
Speed limiting trigger Download PDFInfo
- Publication number
- CN103434909A CN103434909A CN2013103557987A CN201310355798A CN103434909A CN 103434909 A CN103434909 A CN 103434909A CN 2013103557987 A CN2013103557987 A CN 2013103557987A CN 201310355798 A CN201310355798 A CN 201310355798A CN 103434909 A CN103434909 A CN 103434909A
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- centrifugal
- block
- speed limit
- pair
- binary pair
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- 230000007246 mechanism Effects 0.000 claims description 13
- 244000309464 bull Species 0.000 claims description 6
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 3
- 229910052802 copper Inorganic materials 0.000 claims description 3
- 239000010949 copper Substances 0.000 claims description 3
- 238000010276 construction Methods 0.000 abstract description 2
- 238000005259 measurement Methods 0.000 abstract 2
- 229910000831 Steel Inorganic materials 0.000 description 14
- 239000010959 steel Substances 0.000 description 14
- 230000009471 action Effects 0.000 description 10
- 238000009434 installation Methods 0.000 description 5
- 230000008859 change Effects 0.000 description 3
- 206010057071 Rectal tenesmus Diseases 0.000 description 2
- 238000009435 building construction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 208000012271 tenesmus Diseases 0.000 description 2
- TVEXGJYMHHTVKP-UHFFFAOYSA-N 6-oxabicyclo[3.2.1]oct-3-en-7-one Chemical compound C1C2C(=O)OC1C=CC2 TVEXGJYMHHTVKP-UHFFFAOYSA-N 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
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- Maintenance And Inspection Apparatuses For Elevators (AREA)
Abstract
The invention discloses a speed limiting trigger which comprises a speed limiting trigger base, a triggering coiling block fixed to the speed limiting trigger base and provided with ratchet wheel teeth, a speed measurement wheel, a pair of centrifugal blocks, a centrifugal block base, an adjusting spring and a main shaft. The speed measurement wheel is connected with the centrifugal block base coaxially through the main shaft. One end of each centrifugal block is clamped on one side of the centrifugal block base, the other end of one centrifugal block and the other end of the other centrifugal block are connected through the adjusting spring, and the pair of centrifugal blocks are respectively provided with ratchet wheel teeth as well. The speed limiting trigger is simple in structure, safe, reliable and capable of being installed at the top of a hanging cage of an elevator so that the triggering and braking functions for the speed limitation of the hanging cage can be achieved. The speed limiting trigger is good in performance and can be widely applied to the industries of elevators or construction mechanical equipment.
Description
Technical field
The present invention 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 the locked coil rope system, the power resources that trigger the 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 of the friction force that pulls safety tongs.When cage (car) exceeds the speed limit, velocity limiter is by the signal steel rope stop of synchronized operation, and the 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 there is aloft work in velocity limiter particularly is installed at building construction hoist support body top, also is 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 the 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 easily is subject to industrial environment, fluctuation of service is reliable, causes the electronic speed limit binary pair not accepted by national security superintendent office.
Summary of the invention
In order to solve above-mentioned technical matters, the purpose of this invention is to provide a kind of simple and ingenious structure, speed limit binary pair easy for installation.
The technical solution adopted for the present invention to solve the technical problems is:
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 coaxially is 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 coaxially is 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 further preferred embodiment of the present invention, described centrifugal-block is two, and described adjustment spring is two.
As further preferred embodiment of the present invention, described a pair of centrifugal-block is symmetricly set on centrifugal block both sides.
As further preferred embodiment of the present invention, also comprise elastic positioner, the described reel of the triggering with hook tooth is positioned on speed limit binary pair seat by elastic positioner.
As further preferred embodiment of the present invention, the hook tooth of the described reel of the triggering with hook tooth is arranged on the edge that triggers reel, hook tooth to be shaped as wide bottom, top narrow.
As further preferred embodiment of the present invention, the ratchet shape of described centrifugal-block is that the inboard narrow outside is wide.
As further preferred embodiment of the present invention, described centrifugal block is provided with circular draw-in groove, and an end of centrifugal-block is circular plush copper and snaps in the draw-in groove of centrifugal block.
As further preferred embodiment of the present invention, described fifth wheel is connected by flat key with main shaft, and described centrifugal block is connected by flat key with main shaft.
As further preferred embodiment of the present invention, the described reel of the triggering with hook tooth is replaceable be bull stick pull bar, connecting rod mechanism, cam mechanism any.
The invention has the beneficial effects as follows: the present invention is simple in structure and safe and reliable, can be installed on the elevator craning cage top and realize that the cage speed limit triggers the function of stop, the building hoist one that speed limit binary pair of the present invention has been installed is the technical barrier that the velocity limiter that solves the elevator that steel rope uses as elevator or the building ground construction of driving medium lifting must be arranged on the complete machine top, integrated speed limit and triggering in one, can be installed on cage (car) top, need not climb to frame and rise empty the installation, reduce the 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, one end of its steel rope is fixed in the complete machine top, the other end is worn and be fixed in weight after fifth wheel, 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, the speed limit trigger mechanism is reel, can trigger one or more mechanism simultaneously and move simultaneously.
The accompanying drawing explanation
Below in conjunction with drawings and Examples, the invention will be further described.
Fig. 1 is the integral structure cutaway view of first embodiment of the invention;
Fig. 2 is the integral structure front view of first embodiment of the invention;
Fig. 3 is the triggering mode schematic diagram of third embodiment of the invention;
Fig. 4 is the triggering mode schematic diagram of fourth embodiment of the invention.
The specific embodiment
See figures.1.and.2, the first embodiment of the present invention 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 coaxially is 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 invention 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 coaxially is connected with centrifugal block 7 by main shaft 8, centrifugal-block 5 one ends are stuck in centrifugal block 7 one ends, 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 further preferred embodiment of the present invention, described centrifugal-block 5 is two, and described adjustment spring 6 is two.
As further preferred embodiment of the present invention, described a pair of centrifugal-block is symmetricly set on centrifugal block 7 both sides.
As further preferred embodiment of the present invention, also comprise elastic positioner 4, the described reel of the triggering with hook tooth 1 is positioned on speed limit binary pair seat 2 by elastic positioner 4.
As further preferred embodiment of the present invention, the hook tooth of the described reel of the triggering with hook tooth 1 is arranged on the edge that triggers reel, hook tooth to be shaped as wide bottom, top narrow.
As further preferred embodiment of the present invention, the ratchet shape of described centrifugal-block 5 is that the inboard narrow outside is wide.
As further preferred embodiment of the present invention, described centrifugal block 7 is provided with circular draw-in groove, and an end of centrifugal-block 5 is circular plush copper and snaps in the draw-in groove of centrifugal block 7.
As further preferred embodiment of the present invention, 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 further preferred embodiment of the present invention, the described reel of the triggering with hook tooth 1 is replaceable be bull stick pull bar, connecting rod mechanism, cam mechanism any.
The invention 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 kind of speed limit binary pair, comprise 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, breaking through the pulling force constraint of adjusting spring under the centrifugal action of a pair of centrifugal-block rotated with fifth wheel when the speed of fifth wheel surpasses restriction speed opens in the hook tooth got rid of with the triggering reel of hook tooth, thereby the triggering reel driven with hook tooth rotates, 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, comprise speed limit binary pair seat 2, the triggering reel 1 with hook tooth, fifth wheel 3, elastic positioner 4, adjust spring 6, main shaft 8, centrifugal block 7 and a pair of centrifugal-block.The described reel of the triggering with hook tooth 1 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 and a pair of centrifugal-block by main shaft and drives next at steel rope and play rotation; Described a pair of centrifugal-block is held by adjusting spring 6, when the centnifugal force out of reach is adjusted the specified pulling force of spring 6 can not outside open; Centnifugal force according to a pair of centrifugal-block when limiting speed is adjusted the pulling force of adjusting spring 6, break through the pulling force constraint of adjusting spring 6 under the centrifugal action of a pair of centrifugal-block rotated with fifth wheel 3 and open in the hook tooth got rid of with the triggering reel 1 of hook tooth when the speed of fifth wheel 3 surpasses restriction speed, thereby the triggering reel 1 driven with hook tooth rotates.Clamp car guide rail by the action of the triggering reel Wound steel rope sliding guides clamper with hook tooth.Car (cage) clamper that the present invention 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 the cage top, need not climb to frame and rise empty the installation, reduce the installation risk.
Triggering reel with hook tooth is action component, can trigger other mechanism action by Wound steel rope, triggers reel and can change the triggering bull stick into.
Triggering reel of the present invention 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 invention, should being included in the scope of patent protection of the present invention.
More than that better enforcement of the present invention is illustrated, but the invention 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 spirit of the present invention, and the modification that these are equal to or replacement all are 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 by main shaft (8) and coaxial connection of centrifugal block (7), 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 by main shaft (8) and coaxial connection of centrifugal block (7), centrifugal-block (5) one ends are stuck in centrifugal block (7) one ends, 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, it is characterized in that: described centrifugal-block (5) is two, described adjustment spring (6) is two.
4. according to the described a kind of speed limit binary pair of 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 the described a kind of speed limit binary pair of claim 1 or 3, it is characterized in that: also comprise elastic positioner (4), the described reel of the triggering with hook tooth (1) 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 reel of the triggering with hook tooth (1) 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, it is characterized in that: the ratchet shape of described centrifugal-block (5) is that the inboard narrow outside is wide.
8. a kind of speed limit binary pair according to claim 7, it is characterized in that: described centrifugal block (7) is provided with circular draw-in groove, and an 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, it 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 the described a kind of speed limit binary pair of claim 1 or 3, it is characterized in that: the described reel of the triggering with hook tooth (1) replaceable for bull stick pull bar, connecting rod mechanism, cam mechanism any.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013103557987A CN103434909A (en) | 2013-08-12 | 2013-08-12 | Speed limiting trigger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013103557987A CN103434909A (en) | 2013-08-12 | 2013-08-12 | Speed limiting trigger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103434909A true CN103434909A (en) | 2013-12-11 |
Family
ID=49688663
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013103557987A Pending CN103434909A (en) | 2013-08-12 | 2013-08-12 | Speed limiting trigger |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103434909A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105502126A (en) * | 2016-01-28 | 2016-04-20 | 浙江屹立电梯有限公司 | Clutch type elevator speed governor |
| CN106904505A (en) * | 2017-03-30 | 2017-06-30 | 中山天达电梯科技有限公司 | A kind of two-way governor for elevator |
| CN108840208A (en) * | 2018-08-17 | 2018-11-20 | 中际联合（北京）科技股份有限公司 | A kind of traction host and lifting device |
| CN108861942A (en) * | 2018-08-17 | 2018-11-23 | 中际联合（北京）科技股份有限公司 | Speed limit component, stall brake apparatus and lifting device |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5065845A (en) * | 1990-09-13 | 1991-11-19 | Pearson David B | Speed governor safety device for stopping an elevator car |
| CN1557691A (en) * | 2004-01-31 | 2004-12-29 | 谭锦泉 | Fall-preventing protection device for lift |
| CN2775015Y (en) * | 2005-03-08 | 2006-04-26 | 宁波申菱电梯配件有限公司 | Electric speed limiter without machine room |
| CN101445199A (en) * | 2008-12-23 | 2009-06-03 | 日立电梯（中国）有限公司 | Elevator governor trigger mechanism |
| CN102514997A (en) * | 2011-12-08 | 2012-06-27 | 安徽丰海起重设备制造有限公司 | Fall-protection safety device of lifter |
| KR20130053078A (en) * | 2011-11-15 | 2013-05-23 | 오티스 엘리베이터 컴파니 | A governor for elevator |
| CN203461654U (en) * | 2013-08-12 | 2014-03-05 | 谭锦泉 | Speed restriction trigger |
-
2013
- 2013-08-12 CN CN2013103557987A patent/CN103434909A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5065845A (en) * | 1990-09-13 | 1991-11-19 | Pearson David B | Speed governor safety device for stopping an elevator car |
| CN1557691A (en) * | 2004-01-31 | 2004-12-29 | 谭锦泉 | Fall-preventing protection device for lift |
| CN2775015Y (en) * | 2005-03-08 | 2006-04-26 | 宁波申菱电梯配件有限公司 | Electric speed limiter without machine room |
| CN101445199A (en) * | 2008-12-23 | 2009-06-03 | 日立电梯（中国）有限公司 | Elevator governor trigger mechanism |
| KR20130053078A (en) * | 2011-11-15 | 2013-05-23 | 오티스 엘리베이터 컴파니 | A governor for elevator |
| CN102514997A (en) * | 2011-12-08 | 2012-06-27 | 安徽丰海起重设备制造有限公司 | Fall-protection safety device of lifter |
| CN203461654U (en) * | 2013-08-12 | 2014-03-05 | 谭锦泉 | Speed restriction trigger |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105502126A (en) * | 2016-01-28 | 2016-04-20 | 浙江屹立电梯有限公司 | Clutch type elevator speed governor |
| CN105502126B (en) * | 2016-01-28 | 2017-10-10 | 浙江屹立电梯有限公司 | Disengaging type elevator governor |
| CN106904505A (en) * | 2017-03-30 | 2017-06-30 | 中山天达电梯科技有限公司 | A kind of two-way governor for elevator |
| CN108840208A (en) * | 2018-08-17 | 2018-11-20 | 中际联合（北京）科技股份有限公司 | A kind of traction host and lifting device |
| CN108861942A (en) * | 2018-08-17 | 2018-11-23 | 中际联合（北京）科技股份有限公司 | Speed limit component, stall brake apparatus and lifting device |
| CN108840208B (en) * | 2018-08-17 | 2023-10-13 | 中际联合（北京）科技股份有限公司 | Lifting equipment |
| CN108861942B (en) * | 2018-08-17 | 2024-02-13 | 中际联合（北京）科技股份有限公司 | Speed limiting assembly, stall braking device and lifting equipment |
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| DD01 | Delivery of document by public notice | ||
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Addressee: Tan Jinquan Document name: Notification of Publication and of Entering the Substantive Examination Stage of the Application for Invention |
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Application publication date: 20131211 |