CN205419390U - Prevent unexpected two safety tongs elevator sedan -chairs frame system that removes of elevator - Google Patents
Prevent unexpected two safety tongs elevator sedan -chairs frame system that removes of elevator Download PDFInfo
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- CN205419390U CN205419390U CN201520903642.2U CN201520903642U CN205419390U CN 205419390 U CN205419390 U CN 205419390U CN 201520903642 U CN201520903642 U CN 201520903642U CN 205419390 U CN205419390 U CN 205419390U
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Abstract
The utility model relates to an elevator technical field, concretely relates to prevent unexpected two safety tongs elevator sedan -chairs frame system that removes of elevator. A prevent unexpected two safety tongs elevator sedan -chairs frame system that removes of elevator, including the entablature, straight beam and bottom end rail, the entablature, the bottom end rail is connected constitution frame -shaped construction with the straight beam, two safety tongs elevator sedan -chair frame systems include first safety tongs, the second safety tongs, the third safety tongs, the fourth safety tongs, first link gear, second link gear and pulling mechanism, first safety tongs and second safety tongs symmetry are respectively installed at the entablature both ends, and it is articulated through first link gear, third safety tongs and fourth safety tongs symmetry are respectively installed at the bottom end rail both ends, and it is articulated through the second link gear, it is articulated that first safety tongs and third safety tongs pass through pulling mechanism, and pulling mechanism is parallel with the straight beam. The utility model discloses beneficial effect is the two -way protection of safety tongs realization, and the easy recovering in action back, small, has reduced the installation space requirement, has the practicality.
Description
Technical field
This utility model relates to elevator technology field, is specifically related to double safety tongs elevator crane bridging systems of a kind of anti-elevator accidental movement.
Background technology
Safety tongs is as lift facility important safety parts, it is possible to elevator overspeed or out of control time play safety guarantee effect.For improving the safety precaution effect of safety tongs, occur in that a kind of safety tongs device with bidirectional-movement, make the car can safe operation during uplink and downlink, it is to avoid car is rushed to summit, car slips the major accidents such as car and occurs.But the safety tongs device of this bidirectional-movement is reality to be combined up safety tongs and descending safety tongs, and coordinates bidirectional speed limiter to use.Owing to being to coordinate composition after employing uplink and downlink safety tongs is integrated with bidirectional speed limiter, more difficult recovery after being usually present startup, easy and bidirectional speed limiter mismate and build are huge to shortcomings such as requirements of installation space are high.Obviously, the safety tongs device of prior art elevator car systems bidirectional-movement more difficult recovery after there is startup, easy and bidirectional speed limiter mismate and build are huge to problems such as requirements of installation space are high.
Utility model content
Huge to problems such as requirements of installation space are high for more difficult recovery after the startup that the safety tongs device of solution prior art elevator car systems bidirectional-movement exists, easy and bidirectional speed limiter mismate and build, the utility model proposes double safety tongs elevator crane bridging systems of a kind of anti-elevator accidental movement.
Double safety tongs elevator crane bridging systems of a kind of anti-elevator accidental movement of this utility model, including entablature, straight beam and sill, described entablature, sill and straight beam are connected to form frame-shaped construction, it is characterized in that, described pair of safety tongs elevator crane bridging system includes the first safety tongs, second safety tongs, 3rd safety tongs, 4th safety tongs, first link gear, second link gear and shift mechanism, described first safety tongs and the second safety tongs are respectively symmetrically and are arranged on entablature two ends, and it is hinged by the first link gear, described 3rd safety tongs and the 4th safety tongs are respectively symmetrically and are arranged on sill two ends, and it is hinged by the second link gear, described first safety tongs and the 3rd safety tongs are hinged by shift mechanism, and shift mechanism is parallel with straight beam.
Further, the connecting lever that described first safety tongs, the second safety tongs, the 3rd safety tongs and the 4th safety tongs all include caliper, the voussoir that is arranged in caliper is hinged with voussoir, the medial surface of described voussoir is guide rail clamping face.
Further, described first link gear includes that the first connecting shaft and the first Flexible Connector, the first Flexible Connector that described first connecting shaft two ends are arranged by pretension are connected with entablature.
Further, described first safety tongs connecting lever and the second safety tongs connecting lever are hinged by the first connecting shaft.
Further, described second link gear includes that the second connecting shaft and the second Flexible Connector, the second Flexible Connector that described second connecting shaft two ends are arranged by pretension are connected with sill.
Further, described 3rd safety tongs connecting lever and the 4th safety tongs connecting lever are hinged by the second connecting shaft.
Further, described first Flexible Connector and the second Flexible Connector are torsionspring.
Further, described shift mechanism includes the first lifting rod, the second lifting rod, first connecting rod, second connecting rod, third connecting rod and fourth link, described first lifting rod and the second lifting rod are hinged, described first connecting rod the first end and the first lifting rod are hinged, and first lifting rod first connecting rod hinged place is being provided with the first bar hole moved straight down for first connecting rod, described first connecting rod the second end and the first safety tongs caliper are hinged；Described third connecting rod the first end and the second lifting rod are hinged, and the second lifting rod is being provided with, with third connecting rod hinged place, the second bar hole moved straight up for third connecting rod, and described third connecting rod the second end and the 3rd safety tongs caliper are hinged；Described first connecting rod, safety tongs connecting lever and second connecting rod hinged composition first crank and rocker mechanism of the first safety tongs, described third connecting rod, safety tongs connecting lever and fourth link hinged composition second crank and rocker mechanism of the 3rd safety tongs.
Further, described first crank and rocker mechanism axle centered by first connecting rod the second end is rotated in a clockwise direction, and described second crank and rocker mechanism axle centered by third connecting rod the second end rotates in the counterclockwise direction.
Further, described shift mechanism includes that lifting adjusting rod, described first lifting rod and the second lifting rod are hinged by lifting adjusting rod.
The beneficial effects of the utility model be bidirectional safety tongs achieve lift car occur vertically upward or vertically downward accidental movement time have safe action by its stop on guide rail; realize bidirectional protective; and all can easily recover after corresponding safety tongs action; in addition self is small; reduce elevator top space and the requirement in pit space, have more practicality.
Accompanying drawing explanation
Below in conjunction with embodiment and accompanying drawing, this utility model is described in detail, wherein:
Fig. 1 is the structural representation of double safety tongs elevator crane bridging systems of a kind of anti-elevator accidental movement of this utility model.
Fig. 2 is the left view of double safety tongs elevator crane bridging systems of a kind of anti-elevator accidental movement of this utility model.
Detailed description of the invention
Of the present utility model detailed description of the invention be expanded on further below in conjunction with the accompanying drawings:
Fig. 1 is the structural representation of double safety tongs elevator crane bridging systems of a kind of anti-elevator accidental movement of this utility model, and Fig. 2 is the left view of double safety tongs elevator crane bridging systems of a kind of anti-elevator accidental movement of this utility model；nullIn figure，1 first safety tongs、11 first safety tongs calipers、12 first safety tongs voussoirs、13 first safety tongs connecting levers、2 straight beams、3 shift mechanisms、31 first lifting rods、32 second lifting rods、33 first connecting rods、331 first connecting rod the first ends、332 first connecting rod the second ends、34 second connecting rods、35 third connecting rods、351 third connecting rod the first ends、352 third connecting rod the second ends、36 fourth link、37 lifting adjusting rods、4 the 3rd safety tongs、41 the 3rd safety tongs calipers、42 the 3rd safety tongs voussoirs、43 the 3rd safety tongs connecting levers、5 second link gears、51 second connecting shafts、52 second Flexible Connectors、6 sills、7 the 4th safety tongs、71 the 4th safety tongs connecting levers、8 second safety tongs、81 second safety tongs connecting levers、9 first link gears、91 first connecting shafts、92 first Flexible Connectors、10 entablatures；Double safety tongs elevator crane bridging systems of a kind of anti-elevator accidental movement of this utility model, including entablature 10, straight beam 2 and sill 6, described entablature 10, sill 6 are fixing with straight beam 2 respectively connects and composes shaped as frame sedan-chair shelf structure, and double safety tongs elevator crane bridging systems of described anti-elevator accidental movement include the first safety tongs the 1, second safety tongs the 8, the 3rd safety tongs the 4, the 4th safety tongs the 7, first link gear the 9, second link gear 5 and shift mechanism 3；Described first safety tongs 1 and the second safety tongs 8 are respectively symmetrically and are arranged on entablature 10 two ends, and hinged by the first link gear 9；Described 3rd safety tongs 4 and the 4th safety tongs 7 are respectively symmetrically and are arranged on sill 6 two ends, and hinged by the second link gear 5, and described first safety tongs 1 and the 3rd safety tongs 4 are hinged by shift mechanism 3, and shift mechanism 3 is parallel with straight beam 2.Wherein, described first safety tongs the 1, second safety tongs the 8, the 3rd safety tongs 4 and the 4th safety tongs 7 all include caliper, are arranged on both sides in caliper and the voussoir that the is arranged symmetrically with connecting lever hinged with voussoir, and the medial surface of described voussoir is guide rail clamping face.Such as: the first safety tongs 1 includes the first safety tongs caliper the 11, first safety tongs voussoir 12 and the first safety tongs connecting lever 13, described first safety tongs voussoir 12 is symmetrically mounted on both sides in the first safety tongs caliper 11, and the first safety tongs voussoir 12 is hinged with the first safety tongs connecting lever 13.First link gear 9 includes that the first connecting shaft 91 and the first Flexible Connector 92, the first connecting shaft 91 are arranged on entablature 10 by the first Flexible Connector 92, thus provide the pretightning force of direction of rotation for the first safety tongs connecting lever 13 and the second safety tongs connecting lever 81.First Flexible Connector 92 is torsionspring, second safety tongs connecting lever 81 is hinged by the first connecting shaft 91 with the first safety tongs connecting lever 13, from making the first safety tongs connecting lever 13 and the second safety tongs connecting lever 81 can do spinning movement around the first connecting shaft 91 central shaft, thus the first safety tongs voussoir 12 and the second safety tongs voussoir is driven to be synchronized with the movement.In like manner, the 3rd safety tongs 4 and the 4th safety tongs 7 are separately mounted on sill 6, and the 3rd safety tongs and the 4th safety tongs inner connecting structure principle identical with the first safety tongs 1 internal structure principle, just repeat no more at this.3rd safety tongs connecting lever 43 is hinged by the second connecting shaft 51 with the 4th safety tongs connecting lever 71, second connecting shaft 51 is connected on sill 6 by the second Flexible Connector 52, thus the pretightning force of direction of rotation is provided for the 3rd safety tongs connecting lever 43 and the 4th safety tongs connecting lever 71, the second Flexible Connector 52 is torsionspring.nullFirst safety tongs 1 is hinged by shift mechanism 3 with the 3rd safety tongs 4，Shift mechanism 3 includes the first lifting rod 31、Second lifting rod 32、Lifting adjusting rod 37、First connecting rod 33、Second connecting rod 34、Third connecting rod 35 and fourth link 36，First connecting rod the first end 331 is hinged with the first safety tongs caliper 11，First connecting rod the second end 332 is hinged with the first lifting rod 31，And first lifting rod 31 first connecting rod the second end 332 hinged place is being provided with the first bar hole，Make the first lifting rod 31 can only lift first connecting rod straight down，First connecting rod 33、First safety tongs connecting lever 13 and second connecting rod 34 hinged composition the first crank and rocker mechanism，First crank and rocker mechanism under the drive of the first lifting rod 31 power centered by first connecting rod the first end 331 axle turn clockwise；nullIn like manner，Third connecting rod the first end 351 is hinged with the 3rd safety tongs caliper 41，Third connecting rod the second end 352 is hinged with the second lifting rod 32，And second lifting rod 32 third connecting rod the second end 352 hinged place is being provided with the second bar hole，Make the second lifting rod 32 can only lift third connecting rod 35 straight up，Third connecting rod 35、3rd safety tongs connecting lever 43 and fourth link 36 hinged composition the second crank and rocker mechanism，Second crank-rocker structure under the drive of the second lifting rod 32 power centered by third connecting rod the first end 351 axle do spinning movement counterclockwise，Lifting adjusting rod 37 two ends are provided with shank of bolt，First lifting rod 31 bottom and the second lifting rod 32 top are connected with lifting adjusting rod by shank of bolt respectively，Suitable tensile force is provided for whole shift mechanism 3 by regulating the distance between the first lifting rod 31 and the second lifting rod 32，First lifting rod 31 top and the second lifting rod 32 bottom are equipped with through hole，Elevator speed limiter wire rope by through hole respectively with the first lifting rod、Second lifting rod connects.
The operation principle of double safety tongs elevator crane bridging systems of a kind of anti-elevator accidental movement of this utility model is as follows:
nullWhen car occurs the phenomenon that exceeds the speed limit during descending，Limiter of speed action immediately，Trigger rope gripper clamping steel wire rope，Car continues in folding process，Steel wire rope provides pulling force vertically upward to the second lifting rod 32，Under the second lifting rod 32 pulling force drives，Third connecting rod the second end 352 moves straight up，Drive the second crank and rocker mechanism around third connecting rod the first end 351 central shaft spinning movement counterclockwise，And then make the 3rd safety tongs connecting lever 43 in the second crank and rocker mechanism can rotate around the second connecting shaft 51 central shaft，Owing to the 3rd safety tongs connecting lever 43 is connected with the 4th safety tongs connecting lever 71 by the second connecting shaft 51，3rd safety tongs connecting lever 43 and the 4th safety tongs connecting lever 71 synchronous rotary action，The spinning movement of safety tongs connecting lever drives corresponding safety tongs voussoir to do and moves straight up，By the 3rd safety tongs voussoir 42、Frictional force between 4th safety tongs connecting lever 71 and guide rail by car stop on guide rail.
nullWhen car occurs the phenomenon that exceeds the speed limit during up，Limiter of speed action immediately，During car continues upper shifting，Steel wire rope provides pulling force vertically downward to the first lifting rod 31，Under the first lifting rod 31 pulling force drives，First connecting rod the second end 332 moves straight up，The first crank and rocker mechanism is driven to turn clockwise action around first connecting rod the first end 331 central shaft，And then make the first safety tongs connecting lever 13 in the first crank and rocker mechanism can rotate around the first connecting shaft 91 central shaft，Owing to the first safety tongs connecting lever 13 is connected by the first connecting shaft with the second safety tongs connecting lever 81，So the second safety tongs connecting lever 81 and the first safety tongs connecting lever 13 synchronization action，The spinning movement of safety tongs connecting lever drives corresponding safety tongs voussoir to do and moves straight down，By the first safety tongs voussoir 12、Frictional force between second safety tongs voussoir and guide rail by car stop on guide rail.
The 2 sets of safety tongs systems that this utility model is made up of 4 safety tongs, every sets of safety tongs system independent operating, in present embodiment, first safety tongs and the second safety tongs constitute up safety tongs system, 3rd safety tongs and the 4th safety tongs constitute descending safety tongs system, must illustrate that the installation site of this utility model safety tongs system is not limited by detailed description of the invention, the most up safety tongs system may be mounted on sill, and descending safety tongs system can also be arranged on entablature.
The beneficial effects of the utility model be bidirectional safety tongs achieve lift car occur vertically upward or vertically downward accidental movement time have safe action by its stop on guide rail; realize bidirectional protective; and all can easily recover after corresponding safety tongs action; in addition self is small; reduce elevator top space and the requirement in pit space, have more practicality.
The foregoing is only preferred embodiment of the present utility model, not in order to limit this utility model, all any amendment, equivalent and improvement etc. made within spirit of the present utility model and principle, all should be included in protection domain of the present utility model.
Claims (10)
1. double safety tongs elevator crane bridging systems of an anti-elevator accidental movement, including entablature, straight beam and sill, described entablature, sill and straight beam are connected to form frame-shaped construction, it is characterized in that, described pair of safety tongs elevator crane bridging system includes the first safety tongs, second safety tongs, 3rd safety tongs, 4th safety tongs, first link gear, second link gear and shift mechanism, described first safety tongs and the second safety tongs are respectively symmetrically and are arranged on entablature two ends, and it is hinged by the first link gear, described 3rd safety tongs and the 4th safety tongs are respectively symmetrically and are arranged on sill two ends, and it is hinged by the second link gear, described first safety tongs and the 3rd safety tongs are hinged by shift mechanism, and shift mechanism is parallel with straight beam.
Double safety tongs elevator crane bridging systems of anti-elevator accidental movement the most according to claim 1, it is characterized in that, the connecting lever that described first safety tongs, the second safety tongs, the 3rd safety tongs and the 4th safety tongs all include caliper, is arranged in caliper voussoir is hinged with voussoir, the medial surface of described voussoir is guide rail clamping face.
Double safety tongs elevator crane bridging systems of anti-elevator accidental movement the most according to claim 2, it is characterized in that, described first link gear includes that the first connecting shaft and the first Flexible Connector, the first Flexible Connector that described first connecting shaft two ends are arranged by pretension are connected with entablature.
Double safety tongs elevator crane bridging systems of anti-elevator accidental movement the most according to claim 3, it is characterised in that described first safety tongs connecting lever and the second safety tongs connecting lever are hinged by the first connecting shaft.
Double safety tongs elevator crane bridging systems of anti-elevator accidental movement the most according to claim 3, it is characterized in that, described second link gear includes that the second connecting shaft and the second Flexible Connector, the second Flexible Connector that described second connecting shaft two ends are arranged by pretension are connected with sill.
Double safety tongs elevator crane bridging systems of anti-elevator accidental movement the most according to claim 5, it is characterised in that described 3rd safety tongs connecting lever and the 4th safety tongs connecting lever are hinged by the second connecting shaft.
Double safety tongs elevator crane bridging systems of anti-elevator accidental movement the most according to claim 5, it is characterised in that described first Flexible Connector and the second Flexible Connector are torsionspring.
Double safety tongs elevator crane bridging systems of anti-elevator accidental movement the most according to claim 2, it is characterized in that, described shift mechanism includes the first lifting rod, the second lifting rod, first connecting rod, second connecting rod, third connecting rod and fourth link, described first lifting rod and the second lifting rod are hinged, described first connecting rod the first end and the first lifting rod are hinged, and first lifting rod first connecting rod hinged place is being provided with the first bar hole moved straight down for first connecting rod, described first connecting rod the second end and the first safety tongs caliper are hinged；Described third connecting rod the first end and the second lifting rod are hinged, and the second lifting rod is being provided with, with third connecting rod hinged place, the second bar hole moved straight up for third connecting rod, and described third connecting rod the second end and the 3rd safety tongs caliper are hinged；Described first connecting rod, safety tongs connecting lever and second connecting rod hinged composition first crank and rocker mechanism of the first safety tongs, described third connecting rod, safety tongs connecting lever and fourth link hinged composition second crank and rocker mechanism of the 3rd safety tongs.
Double safety tongs elevator crane bridging systems of anti-elevator accidental movement the most according to claim 8, it is characterized in that, described first crank and rocker mechanism axle centered by first connecting rod the second end is rotated in a clockwise direction, and described second crank and rocker mechanism axle centered by third connecting rod the second end rotates in the counterclockwise direction.
Double safety tongs elevator crane bridging systems of anti-elevator accidental movement the most according to claim 8, it is characterised in that it is hinged by lifting adjusting rod that described shift mechanism includes lifting adjusting rod, described first lifting rod and the second lifting rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520903642.2U CN205419390U (en) | 2015-11-13 | 2015-11-13 | Prevent unexpected two safety tongs elevator sedan -chairs frame system that removes of elevator |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520903642.2U CN205419390U (en) | 2015-11-13 | 2015-11-13 | Prevent unexpected two safety tongs elevator sedan -chairs frame system that removes of elevator |
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| Publication Number | Publication Date |
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| CN205419390U true CN205419390U (en) | 2016-08-03 |
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| CN201520903642.2U Active CN205419390U (en) | 2015-11-13 | 2015-11-13 | Prevent unexpected two safety tongs elevator sedan -chairs frame system that removes of elevator |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113060618A (en) * | 2021-02-08 | 2021-07-02 | 奥玛斯电梯（苏州）有限公司 | Car frame lifting mechanism |
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2015
- 2015-11-13 CN CN201520903642.2U patent/CN205419390U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113060618A (en) * | 2021-02-08 | 2021-07-02 | 奥玛斯电梯（苏州）有限公司 | Car frame lifting mechanism |
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