CN203959576U - A kind of novel elevator safety tongs shift mechanism - Google Patents
A kind of novel elevator safety tongs shift mechanism Download PDFInfo
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- CN203959576U CN203959576U CN201420436286.3U CN201420436286U CN203959576U CN 203959576 U CN203959576 U CN 203959576U CN 201420436286 U CN201420436286 U CN 201420436286U CN 203959576 U CN203959576 U CN 203959576U
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- plate
- drive link
- safety tongs
- fixed connecting
- connecting plate
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Abstract
The utility model relates to a kind of novel elevator safety tongs shift mechanism, comprise connecting rod, drive link and retracing spring, it is characterized in that: described connecting rod is that cross-sectional plane is the connecting rod of rectangle, also comprise fixed connecting plate and axle bush, fixed connecting plate is by the interlock that installs square hole realization and connecting rod on it, described retracing spring is connected on fixed connecting plate, described axle bush is arranged on the car frame installation end at connecting rod two ends, described drive link is by spring cotter, pipe link and screw rod form, be threaded and be shaped with the spring cotter of mounting hole in the male end of pipe link, at the female end of the pipe link screw rod that has been threaded, drive link is connected on fixed connecting plate by spring cotter.The utility model scientific structure design is reasonable, have advantages of simple in structure, be easy to manufacture, maintain easily that maintenance, cost are low, long service life, be a kind of novel elevator safety tongs shift mechanism with higher innovation.
Description
Technical field
The utility model belongs to elevator field, relates to a kind of shift mechanism, particularly a kind of novel elevator safety tongs shift mechanism.
Background technology
Elevator safety clamp device is under the manipulation of velocity limiter, when elevator speed exceedes the limited speed that elevator governor is set, or fracture occurs and lax in the situation that at suspension strop, by urgent car stop and be clamped in a kind of safety device on guide rail.It provides actv. protective effect to the safe operation of elevator, is generally arranged on car frame or counterweight frame.When elevator overspeed, velocity limiter is stuck, and the safety tongs that simultaneously links stops car.In this safety guard-safeguard brake system, the bridge contacting between velocity limiter and safety tongs is safety tongs shift mechanism.So the reasonable disposition of safety tongs shift mechanism will have influence on the normal of whole elevator safety clamp device and effectively use.
But, the structure design of safety tongs shift mechanism at present used is comparatively complicated, it is that circular connecting rod, sleeve, retracing spring and drive link forms by cross-sectional plane, connecting rod is rotatably installed on car frame, on the shaft of connecting rod, be shaped with a groove, on the inwall of sleeve, be shaped with a groove relative with connecting rod upper groove, between two grooves, fixedly realize the interlock of connecting rod and sleeve by pin, one end at sleeve connects safety tongs, and the other end of sleeve connects drive link and the retracing spring with its synchrodrive.The manufacturing process of connecting rod and sleeve is comparatively complicated, has improved the manufacturing cost of whole shift mechanism; In addition, traditional drive link body of rod is undecomposable, is unfavorable for maintenance and the maintenance of shift mechanism.
Summary of the invention
The purpose of this utility model is to provide the novel elevator safety tongs shift mechanism that a kind of scientific structure design is reasonable, simple in structure, be easy to manufacture, maintain easily maintenance.
The utility model solves its technical matters and is achieved through the following technical solutions:
A kind of novel elevator safety tongs shift mechanism, comprise connecting rod, drive link and retracing spring, it is characterized in that: described connecting rod is that cross-sectional plane is the connecting rod of rectangle, also comprise fixed connecting plate and axle bush, fixed connecting plate is by the interlock that installs square hole realization and connecting rod on it, described retracing spring is connected on fixed connecting plate, described axle bush is arranged on the car frame installation end at connecting rod two ends, described drive link is by spring cotter, pipe link and screw rod form, be threaded and be shaped with the spring cotter of mounting hole in the male end of pipe link, at the female end of the pipe link screw rod that has been threaded, drive link is connected on fixed connecting plate by spring cotter.
And, described fixed connecting plate is by plate body, install square hole, retention plate, safety tongs connecting bore, retracing spring connecting bore and drive link connecting bore form, on plate body, be shaped with and install square hole, on the two relative limits that install square hole, be welded with retention plate, on retention plate, be shaped with fastener hole, be shaped with safety tongs connecting bore in one end of plate body, be shaped with retracing spring connecting bore and drive link connecting bore at the other end of plate body, described connecting rod is threaded onto installing in square hole of fixed connecting plate, connecting rod is the interlock with fixed connecting plate by the realization of bolted retention plate, described retracing spring is connected with retracing spring connecting bore, the spring cotter of described drive link is plugged on plate body, the mounting hole of spring cotter is relative with drive link connecting bore, between mounting hole and drive link connecting bore, realize being connected of drive link and fixed connecting plate by bearing pin.
And described retention plate is for diagonal angle spot welding connects on the plate body of fixed connecting plate, spot size is for being more than or equal to 5mm.
And described retention plate is welded on respectively on the upper surface and lower surface of fixed connecting plate plate body.
And one end of described screw rod is shaped with plus thread, the other end of screw rod is shaped with minus thread.
And described axle bush is the structure of the square outer ring of inner ring circle.
And described fixed connecting plate plate body is trapezoidal or rectangle structure.
Advantage of the present utility model and beneficial effect are:
1. this novel elevator safety tongs shift mechanism, by connecting rod and the sleeve combination of manufacturing process relative complex before (needed to independent casting forming because of connecting rod and sleeve, generally have no control over oneself, need outsourcing, so manufacturing process relative complex) be designed to rectangle connecting rod and be directly plugged in the form of fixed connecting plate, this fixed connecting plate only just need weld and can be shaped, and is easy to realize, and cost is low; By the drive link that drive link is designed to be formed by connecting by spring cotter, pipe link and screw rod, before having avoided, drive link is long, in car frame, be difficult for the problem of installing, and, the short problem of fracture, service life that is easy to of also having avoided causing because drive link is long, in addition, when maintenance, drive link segmentation can be pulled down, alleviate completely knocked down work capacity.
2. this novel elevator safety tongs shift mechanism, by by retention plate, the welding manner on the plate body of fixed connecting plate is designed to diagonal angle spot welding and connects, the one end of only welding retention plate, and spot welding on being of two retention plates cornerwise end.Such welding manner, is that one end of spot welding can inwardly not be adjacent to because of stressed for bolt is by the fastening connecting rod of retention plate, and then plays and being fixedly connected with of connecting rod.
3. the utility model scientific structure design is reasonable, have advantages of simple in structure, be easy to manufacture, maintain easily that maintenance, cost are low, long service life, be a kind of novel elevator safety tongs shift mechanism with higher innovation.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model (omission retracing spring);
Fig. 2 is the structural representation of the utility model fixed connecting plate;
Fig. 3 is the structural representation that Fig. 2 omits bolt;
Fig. 4 is the structural representation of the utility model axle bush.
Description of reference numerals:
1-connecting rod, 2-axle bush, 3-fixed connecting plate, 4-spring cotter, 5-pipe link, 6-screw rod, 7-safety tongs connecting bore, 8-plate body, 9-retention plate, 10-bolt, 11-retracing spring connecting bore, 12-drive link connecting bore, 13-solder joint, 14-install square hole.
Detailed description of the invention
Below by specific embodiment, the utility model is described in further detail, and following examples are descriptive, is not determinate, can not limit protection domain of the present utility model with this.
A kind of novel elevator safety tongs shift mechanism, comprise connecting rod 1, drive link and retracing spring, its innovation is: described connecting rod is that cross-sectional plane is the connecting rod of rectangle, also comprise fixed connecting plate 3 and axle bush 2, fixed connecting plate is by the interlock that installs square hole 14 realizations and connecting rod on it, described retracing spring is connected on fixed connecting plate, described axle bush is arranged on the car frame installation end at connecting rod two ends, described drive link is by spring cotter 4, pipe link 5 and screw rod 6 form, be threaded and be shaped with the spring cotter of mounting hole in the male end of pipe link, at the female end of the pipe link screw rod that has been threaded, drive link is connected on fixed connecting plate by spring cotter.
Described fixed connecting plate is by plate body 8, install square hole, retention plate 9, safety tongs connecting bore 7, retracing spring connecting bore 11 and drive link connecting bore 12 form, on plate body, be shaped with and install square hole, on the two relative limits that install square hole, be welded with retention plate, on retention plate, be shaped with fastener hole, be shaped with safety tongs connecting bore in one end of plate body, be shaped with retracing spring connecting bore and drive link connecting bore at the other end of plate body, described connecting rod is threaded onto installing in square hole of fixed connecting plate, connecting rod is the interlock with fixed connecting plate by the fastening retention plate realization of bolt 10, described retracing spring is connected with retracing spring connecting bore, the spring cotter of described drive link is plugged on plate body, the mounting hole of spring cotter is relative with drive link connecting bore, between mounting hole and drive link connecting bore, realize being connected of drive link and fixed connecting plate by bearing pin.
Described retention plate is for diagonal angle spot welding connects on the plate body of fixed connecting plate, and solder joint 13 diameters are for being more than or equal to 5mm.Described retention plate is welded on respectively on the upper surface and lower surface of fixed connecting plate plate body.One end of described screw rod is shaped with plus thread, and the other end of screw rod is shaped with minus thread.Described axle bush is the structure of the square outer ring of inner ring circle.Described fixed connecting plate plate body is trapezoidal or rectangle structure.
When use, this safety tongs shift mechanism rotates the two ends that are installed on car frame by the axle bush on connecting rod, passes through drive link synchrodrive between the fixed connecting plate of two safety tongs shift mechanisms.The female end that the plus thread of the screw rod of drive link by its two ends and minus thread are installed pipe link, at the coupling end of the male end connection opening pin of pipe link, spring cotter connects by bearing pin and the fixed connecting plate of connection-rod linkage.When elevator overspeed or while breaking down, the action of velocity limiter drive link, meanwhile, drives the safety tongs shift mechanism action of the drive link other end with the fixed connecting plate of connection-rod linkage, makes safety tongs block guide rail; After fault is got rid of, retracing spring drives fixed connecting plate return, and then makes safety tongs return.
Although disclose for the purpose of illustration embodiment of the present utility model and accompanying drawing, but it will be appreciated by those skilled in the art that: not departing from the spirit and scope of the utility model and claims, various replacements, variation and amendment are all possible, therefore, scope of the present utility model is not limited to embodiment and the disclosed content of accompanying drawing.
Claims (7)
1. a novel elevator safety tongs shift mechanism, comprise connecting rod, drive link and retracing spring, it is characterized in that: described connecting rod is that cross-sectional plane is the connecting rod of rectangle, also comprise fixed connecting plate and axle bush, fixed connecting plate is by the interlock that installs square hole realization and connecting rod on it, described retracing spring is connected on fixed connecting plate, described axle bush is arranged on the car frame installation end at connecting rod two ends, described drive link is by spring cotter, pipe link and screw rod form, be threaded and be shaped with the spring cotter of mounting hole in the male end of pipe link, at the female end of the pipe link screw rod that has been threaded, drive link is connected on fixed connecting plate by spring cotter.
2. a kind of novel elevator safety tongs shift mechanism according to claim 1, it is characterized in that: described fixed connecting plate is by plate body, install square hole, retention plate, safety tongs connecting bore, retracing spring connecting bore and drive link connecting bore form, on plate body, be shaped with and install square hole, on the two relative limits that install square hole, be welded with retention plate, on retention plate, be shaped with fastener hole, be shaped with safety tongs connecting bore in one end of plate body, be shaped with retracing spring connecting bore and drive link connecting bore at the other end of plate body, described connecting rod is threaded onto installing in square hole of fixed connecting plate, connecting rod is the interlock with fixed connecting plate by the realization of bolted retention plate, described retracing spring is connected with retracing spring connecting bore, the spring cotter of described drive link is plugged on plate body, the mounting hole of spring cotter is relative with drive link connecting bore, between mounting hole and drive link connecting bore, realize being connected of drive link and fixed connecting plate by bearing pin.
3. a kind of novel elevator safety tongs shift mechanism according to claim 2, is characterized in that: described retention plate is for diagonal angle spot welding connects on the plate body of fixed connecting plate, and spot size is for being more than or equal to 5mm.
4. a kind of novel elevator safety tongs shift mechanism according to claim 2, is characterized in that: described retention plate is welded on respectively on the upper surface and lower surface of fixed connecting plate plate body.
5. a kind of novel elevator safety tongs shift mechanism according to claim 1, is characterized in that: one end of described screw rod is shaped with plus thread, and the other end of screw rod is shaped with minus thread.
6. a kind of novel elevator safety tongs shift mechanism according to claim 1, is characterized in that: described axle bush is the structure of the square outer ring of inner ring circle.
7. a kind of novel elevator safety tongs shift mechanism according to claim 2, is characterized in that: described fixed connecting plate plate body is trapezoidal or rectangle structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420436286.3U CN203959576U (en) | 2014-08-01 | 2014-08-01 | A kind of novel elevator safety tongs shift mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420436286.3U CN203959576U (en) | 2014-08-01 | 2014-08-01 | A kind of novel elevator safety tongs shift mechanism |
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| Publication Number | Publication Date |
|---|---|
| CN203959576U true CN203959576U (en) | 2014-11-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420436286.3U Active CN203959576U (en) | 2014-08-01 | 2014-08-01 | A kind of novel elevator safety tongs shift mechanism |
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| CN (1) | CN203959576U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105565114A (en) * | 2016-01-15 | 2016-05-11 | 福建鑫叶投资管理集团有限公司 | Automatic lifting system for warehousing auxiliary materials |
| CN109678028A (en) * | 2019-01-31 | 2019-04-26 | 南通中尧特雷卡电梯产品有限公司 | A kind of elevator shock-absorbing rail clamping device of synchronous wheel drive |
-
2014
- 2014-08-01 CN CN201420436286.3U patent/CN203959576U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105565114A (en) * | 2016-01-15 | 2016-05-11 | 福建鑫叶投资管理集团有限公司 | Automatic lifting system for warehousing auxiliary materials |
| CN109678028A (en) * | 2019-01-31 | 2019-04-26 | 南通中尧特雷卡电梯产品有限公司 | A kind of elevator shock-absorbing rail clamping device of synchronous wheel drive |
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