CN110027961A - A kind of bidirectional safety tongs for elevator - Google Patents

A kind of bidirectional safety tongs for elevator Download PDF

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Publication number
CN110027961A
CN110027961A CN201910299345.4A CN201910299345A CN110027961A CN 110027961 A CN110027961 A CN 110027961A CN 201910299345 A CN201910299345 A CN 201910299345A CN 110027961 A CN110027961 A CN 110027961A
Authority
CN
China
Prior art keywords
traveller
brake apparatus
braking
elevator
safety tongs
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201910299345.4A
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Chinese (zh)
Inventor
陈秀和
肖伟平
夏龙军
刘正辉
邓发兆
吴树强
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Zhongshan Polytechnic
Original Assignee
Zhongshan Polytechnic
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Zhongshan Polytechnic filed Critical Zhongshan Polytechnic
Priority to CN201910299345.4A priority Critical patent/CN110027961A/en
Publication of CN110027961A publication Critical patent/CN110027961A/en
Pending legal-status Critical Current

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B66HOISTING; LIFTING; HAULING
    • B66BELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B5/00Applications of checking, fault-correcting, or safety devices in elevators
    • B66B5/02Applications of checking, fault-correcting, or safety devices in elevators responsive to abnormal operating conditions
    • B66B5/16Braking or catch devices operating between cars, cages, or skips and fixed guide elements or surfaces in hoistway or well
    • B66B5/18Braking or catch devices operating between cars, cages, or skips and fixed guide elements or surfaces in hoistway or well and applying frictional retarding forces
    • B66B5/22Braking or catch devices operating between cars, cages, or skips and fixed guide elements or surfaces in hoistway or well and applying frictional retarding forces by means of linearly-movable wedges

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Maintenance And Inspection Apparatuses For Elevators (AREA)

Abstract

The present invention relates to elevator car safety technical fields, refer in particular to a kind of bidirectional safety tongs for elevator, including caliper frame, upper brake apparatus and lower brake apparatus, caliper frame mid portion is provided through from top to bottom interlocks pressure-raising bar, and upper brake apparatus and lower brake apparatus are respectively placed in the upper and lower part of caliper frame;It further include slide slice braking, the bottom end of slide slice braking is connected with brake bar, and brake bar is connect with elevator torsion bar;Slide slice braking is provided with upper hopper chute and gliding groove, and the side of the top shoe, which is extended, upper traveller, and upper traveller is slideably positioned in the upper hopper chute, and the side of the sliding block, which is extended, lower traveller, and lower traveller is slideably positioned in the gliding groove.The configuration of the present invention is simple, novelty realize that single torsion bar operates bidirectional safety tongs, and do not influence the normal work of existing bidirectional safety tongs, realize stop protection when carriage meaning hypervelocity is mobile, produce of large quantities and its is compact-sized, occupies little space, is low in cost.

Description

A kind of bidirectional safety tongs for elevator
Technical field
The present invention relates to elevator car safety technical fields, refer in particular to a kind of bidirectional safety tongs for elevator.
Background technique
As elevator all over the world is rushed to summit the generation of accident, countries in the world, which start to formulate up-running over-speed protection, is advised safely Model.Existing elevator safety gear has following two categories: 1, having a upper brake apparatus on car frame, have under car frame and brake under one Device is connected by the connecting rod of a car frame height or so;The disadvantage is that structure is complicated, installation and debugging are inconvenient.2, it is mounted on carriage Brake apparatus up and down under frame respectively has a sliding wedge up and down;In braking, single voussoir wedge is between guide rail and caliper Afterwards, it needs brake apparatus itself to float and carries out centering processing, when installation needs to pre-process;And need the gearing of two sets or so brakings Device, structure is complicated, and the activity space of occupancy is big.
Summary of the invention
The present invention provides a kind of bidirectional safety tongs for elevator for problem of the prior art, and structure is simple, novel, it is only necessary to Increase by a slide slice braking on existing bidirectional safety tongs, single torsion bar operation bidirectional safety tongs can be realized, without big change and again Miscellaneous route change, and the normal work of existing bidirectional safety tongs is not influenced, realize that stop when carriage meaning hypervelocity is mobile is protected Shield, produces that of large quantities and its is compact-sized, occupies little space, is low in cost.
In order to solve the above-mentioned technical problem, the present invention adopts the following technical scheme:
A kind of bidirectional safety tongs for elevator, including caliper frame, upper brake apparatus and lower brake apparatus, caliper frame mid portion from It is provided through under and interlocks pressure-raising bar, upper brake apparatus and lower brake apparatus are respectively placed in the top of caliper frame under Portion, upper brake apparatus are provided with movable wedge and a pair of upper determines voussoir, upper activity in a pair of car guide rail two sides Voussoir is movably set in adjacent upper determines voussoir, and lower brake apparatus is provided under a pair of car guide rail two sides movable Voussoir and a pair of lower determines voussoir, lower movable wedge are movably set in adjacent lower determines voussoir;The upper limit is cased on interlocking pressure-raising bar Position compressed spring and lower limit compressed spring;It is connected with top shoe in a pair between movable wedge, the two of upper limit compressed spring End is connect with caliper frame roof and top shoe respectively;It is connected with sliding block between the lower movable wedge of a pair, lower limit compresses bullet The both ends of spring are connect with caliper base of frame and sliding block respectively;
It further include slide slice braking, the bottom end of slide slice braking is connected with brake bar, and brake bar is connect with elevator torsion bar;Braking is slided Piece is provided with upper hopper chute and gliding groove, and the side of the top shoe, which is extended, upper traveller, and upper traveller is slideably positioned in described In upper hopper chute, the side of the sliding block, which is extended, lower traveller, and lower traveller is slideably positioned in the gliding groove.
Wherein, the upper movable wedge in the upper brake apparatus, upper determines voussoir respectively with the lower activity in lower brake apparatus Block, lower determines voussoir are same shapes.
Wherein, the gearing pressure-raising bar is actively located in the top shoe, sliding block.
Wherein, the upper traveller is moved up and down along the upper hopper chute, and the lower traveller is moved up and down along gliding groove.
Wherein, the upper traveller is provided with the upper limit for preventing top shoe to be detached from slide slice braking far from one end of top shoe Position cap;The lower traveller is provided with the lower limit cap for preventing sliding block to be detached from slide slice braking far from one end of sliding block.
Beneficial effects of the present invention:
The configuration of the present invention is simple, novelty, it is only necessary to increase by a slide slice braking on existing bidirectional safety tongs, list can be realized Torsion bar operates bidirectional safety tongs, without big change and complicated route change, and does not influence existing bidirectional safety tongs just Stop protection when carriage meaning hypervelocity is mobile is realized in often work, produces of large quantities and its is compact-sized, occupies little space, cost It is cheap.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of bidirectional safety tongs for elevator of the invention.
Fig. 2 is the structural schematic diagram of upper brake apparatus and lower brake apparatus when elevator is normally run up and down.
The structural schematic diagram of upper brake apparatus and lower brake apparatus when Fig. 3 is upper movable wedge clamping guide-rail.
The structural schematic diagram of upper brake apparatus and lower brake apparatus when Fig. 4 is lower movable wedge clamping guide-rail.
Appended drawing reference in Fig. 1 to Fig. 4 includes:
1-caliper frame 2-gearing pressure-raising bar 3-goes up movable wedge
4-upper 5-upper limit of determines voussoir compressed spring, 6-lower limit compressed springs
7-top shoe 8-sliding block, 9-slide slice brakings
10-brake bar 11-upper hopper chute, 12-gliding grooves
13-upper limit 14-lower limit of cap caps 15-lower movable wedge
16-lower determines voussoirs.
Specific embodiment
For the ease of the understanding of those skilled in the art, the present invention is made further below with reference to embodiment and attached drawing Bright, the content that embodiment refers to not is limitation of the invention.The present invention is described in detail below in conjunction with attached drawing.
A kind of bidirectional safety tongs for elevator, as shown in Figures 1 to 4, including caliper frame 1, upper brake apparatus and lower braking dress It sets, 1 middle part of caliper frame is provided through from top to bottom interlocks pressure-raising bar 2, and upper brake apparatus and lower brake apparatus are respectively placed in The upper and lower part of caliper frame 1, upper brake apparatus are provided with 3 He of movable wedge in a pair of car guide rail two sides Determines voussoir 4 in a pair, upper movable wedge 3 are movably set in adjacent upper determines voussoir 4, and lower brake apparatus is provided with positioned at elevator car Movable wedge 15 and a pair of lower determines voussoir 16 under a pair of compartment guide rail two sides, lower movable wedge 15 are movably set in adjacent lower fixed Voussoir 16;Upper limit compressed spring 5 and lower limit compressed spring 6 are cased on interlocking pressure-raising bar 2;In a pair movable wedge 3 it Between be connected with top shoe 7, the both ends of upper limit compressed spring 5 are connect with 1 top of caliper frame with top shoe 7 respectively;Under a pair Be connected with sliding block 8 between movable wedge 15, the both ends of lower limit compressed spring 6 respectively with 1 bottom of caliper frame and sliding block 8 Connection;
It further include slide slice braking 9, the bottom end of slide slice braking 9 is connected with brake bar 10, and brake bar 10 is connect with elevator torsion bar; Slide slice braking 9 is provided with upper hopper chute 11 and gliding groove 12, and the side of the top shoe 7, which is extended, upper traveller, and upper traveller is sliding Dynamic to be set in the upper hopper chute 11, the side of the sliding block 8, which is extended, lower traveller, and lower traveller is slideably positioned in described In gliding groove 12.
Specifically, the brake bar 10 of slide slice braking 9 is connect with elevator torsion bar, when the invention works:
When normally operation, elevator torsion bar remain stationary slide slice braking 9 to elevator up and down, upper and lower movable wedge 15 is kept Reset state, upper limit compressed spring 5 and lower limit compressed spring 6 are located at reset state, and upper traveller is located at the bottom of upper hopper chute 11 End, lower traveller are located at the top of gliding groove 12, do not influence elevator normal work;
When elevator overspeed descending, limiter of speed movement, speed limiter wire rope lifts elevator torsion bar upwards, and lower traveller is under 12 slide downward of sliding slot, upper hopper chute 11 withstand traveller to drive top shoe 7 and upper movable wedge 3 to rise, and upper limit compresses Spring 5 is compressed, upper 3 clamping guide-rail of movable wedge, and elevator torsion bar pushes slide slice braking 9 that lower movable wedge 15 is made to brake stop electricity Terraced carriage;
When ascending for elevator hypervelocity, limiter of speed movement, speed limiter wire rope lifts downwards elevator torsion bar, and upper traveller is along upper 11 upward sliding of sliding slot, gliding groove 12 withstand lower traveller to drive sliding block 8 and lower movable wedge 15 to decline, and lower limit is compressed Spring 6 is compressed, lower 15 clamping guide-rail of movable wedge, and elevator torsion bar pushes slide slice braking 9 that movable wedge 3 is made to brake stop electricity Terraced carriage.
The configuration of the present invention is simple, novelty, it is only necessary to increase by a slide slice braking 9 on existing bidirectional safety tongs, can be realized Single torsion bar operates bidirectional safety tongs, without big change and complicated route change, and does not influence existing bidirectional safety tongs Work normally, realize stop protection when carriage meaning hypervelocity is mobile, produce of large quantities and its is compact-sized, occupy little space, at This is cheap.
A kind of bidirectional safety tongs for elevator described in the present embodiment, upper movable wedge 3 in the upper brake apparatus upper determine wedge Block 4 is respectively same shape with the lower movable block in lower brake apparatus, lower determines voussoir 16.
A kind of bidirectional safety tongs for elevator described in the present embodiment, the gearing pressure-raising bar 2 are actively located in the top shoe 7, sliding block 8.
A kind of bidirectional safety tongs for elevator described in the present embodiment, the upper traveller are moved up and down along the upper hopper chute 11, The lower traveller is moved up and down along gliding groove 12.
A kind of bidirectional safety tongs for elevator described in the present embodiment, one end setting of the upper traveller far from top shoe 7 are useful In the upper limit cap 13 for preventing top shoe 7 to be detached from slide slice braking 9;The lower traveller is provided with far from one end of sliding block 8 to be used for Sliding block 8 is prevented to be detached from the lower limit cap 14 of slide slice braking 9.Specifically, above-mentioned setting guarantees top shoe 7, sliding block 8 and braking The stability and reliability that slide plate 9 works guarantee bidirectional safety tongs for elevator reliable operation, highly-safe.
The above is only present pre-ferred embodiments, is not intended to limit the present invention in any form, although The present invention is disclosed as above with preferred embodiment, and however, it is not intended to limit the invention, any person skilled in the art, It does not depart within the scope of technical solution of the present invention, when the technology contents using the disclosure above make a little change or are modified to equivalent change The equivalent embodiment of change, but without departing from the technical solutions of the present invention, technology refers to above embodiments according to the present invention Made any simple modification, equivalent change and modification, belong in the range of technical solution of the present invention.

Claims (5)

1. a kind of bidirectional safety tongs for elevator, including caliper frame, upper brake apparatus and lower brake apparatus, it is characterised in that: caliper Frame mid portion is provided through from top to bottom interlocks pressure-raising bar, and upper brake apparatus and lower brake apparatus are respectively placed in caliper frame Upper and lower part, upper brake apparatus, which is provided with, determines wedge in movable wedge in a pair of car guide rail two sides and a pair Block, upper movable wedge are movably set in adjacent upper determines voussoir, and lower brake apparatus is provided with positioned at car guide rail two sides The lower movable wedge of a pair and a pair of lower determines voussoir, lower movable wedge are movably set in adjacent lower determines voussoir;Interlocking pressure-raising bar On be cased with upper limit compressed spring and lower limit compressed spring;Top shoe, upper limit pressure are connected in a pair between movable wedge The both ends of contracting spring are connect with caliper frame roof and top shoe respectively;It is connected with sliding block between the lower movable wedge of a pair, under The both ends of limit compressed spring are connect with caliper base of frame and sliding block respectively;
It further include slide slice braking, the bottom end of slide slice braking is connected with brake bar, and brake bar is connect with elevator torsion bar;Slide slice braking is set It is equipped with upper hopper chute and gliding groove, the side of the top shoe, which is extended, upper traveller, and upper traveller is slideably positioned in the upper cunning In slot, the side of the sliding block, which is extended, lower traveller, and lower traveller is slideably positioned in the gliding groove.
2. a kind of bidirectional safety tongs for elevator according to claim 1, it is characterised in that: the upper work in the upper brake apparatus Dynamic voussoir, upper determines voussoir are respectively same shapes with the lower movable block in lower brake apparatus, lower determines voussoir.
3. a kind of bidirectional safety tongs for elevator according to claim 1, it is characterised in that: the gearing pressure-raising bar activity is worn In the top shoe, sliding block.
4. a kind of bidirectional safety tongs for elevator according to claim 1, it is characterised in that: the upper traveller is along the upper cunning Slot moves up and down, and the lower traveller is moved up and down along gliding groove.
5. a kind of bidirectional safety tongs for elevator according to claim 1, it is characterised in that: the upper traveller is far from top shoe One end is provided with the upper limit cap for preventing top shoe to be detached from slide slice braking;The lower traveller is arranged far from one end of sliding block There is the lower limit cap for preventing sliding block to be detached from slide slice braking.
CN201910299345.4A 2019-04-15 2019-04-15 A kind of bidirectional safety tongs for elevator Pending CN110027961A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201910299345.4A CN110027961A (en) 2019-04-15 2019-04-15 A kind of bidirectional safety tongs for elevator

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201910299345.4A CN110027961A (en) 2019-04-15 2019-04-15 A kind of bidirectional safety tongs for elevator

Publications (1)

Publication Number Publication Date
CN110027961A true CN110027961A (en) 2019-07-19

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CN201910299345.4A Pending CN110027961A (en) 2019-04-15 2019-04-15 A kind of bidirectional safety tongs for elevator

Country Status (1)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111977488A (en) * 2020-09-09 2020-11-24 山东劳动职业技术学院(山东劳动技师学院) Bidirectional safety tongs for elevator
CN114700983A (en) * 2022-03-17 2022-07-05 深空(山东)机器人科技有限责任公司 Linear guide rail fixing mechanism of truss robot
CN115258875A (en) * 2022-07-25 2022-11-01 苏州德奥电梯有限公司 Elevator safety gear and using method

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111977488A (en) * 2020-09-09 2020-11-24 山东劳动职业技术学院(山东劳动技师学院) Bidirectional safety tongs for elevator
CN114700983A (en) * 2022-03-17 2022-07-05 深空(山东)机器人科技有限责任公司 Linear guide rail fixing mechanism of truss robot
CN115258875A (en) * 2022-07-25 2022-11-01 苏州德奥电梯有限公司 Elevator safety gear and using method

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