CN106044455A - Compact rope gripper - Google Patents
Compact rope gripper Download PDFInfo
- Publication number
- CN106044455A CN106044455A CN201610635370.1A CN201610635370A CN106044455A CN 106044455 A CN106044455 A CN 106044455A CN 201610635370 A CN201610635370 A CN 201610635370A CN 106044455 A CN106044455 A CN 106044455A
- Authority
- CN
- China
- Prior art keywords
- brake
- movable clip
- descending
- braking
- block
- 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.)
- Granted
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B5/00—Applications of checking, fault-correcting, or safety devices in elevators
- B66B5/02—Applications of checking, fault-correcting, or safety devices in elevators responsive to abnormal operating conditions
- B66B5/16—Braking or catch devices operating between cars, cages, or skips and fixed guide elements or surfaces in hoistway or well
- B66B5/18—Braking or catch devices operating between cars, cages, or skips and fixed guide elements or surfaces in hoistway or well and applying frictional retarding forces
- B66B5/24—Braking 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 acting on guide ropes or cables
Abstract
The invention relates to a compact rope gripper. The compact rope gripper structurally comprises a frame, two opposite brake clamp blocks, tension springs and brake triggering mechanisms, wherein the two brake clamp blocks are arranged in the frame; at least one of the brake clamp blocks is a movable clamp block; the tension springs pull the movable clamp blocks to reset; the brake triggering mechanisms trigger the movable clamp blocks to move; an ascending slide way and a descending slide way are arranged on each movable clamp block; slide surfaces of the ascending slide ways and the descending slide ways are slope surfaces; the frame is provided with ascending brake slide tracks and descending brake slide tracks; track surfaces of the ascending brake slide tracks and the descending brake slide tracks are slope surfaces; the movable clamp blocks are attached to the frame under the pulling effect of the tension springs, so that the ascending brake slide tracks are inlaid in the ascending slide ways, and the descending brake slide tracks are inlaid in the descending slide ways. The size of the integral structure of the compact rope gripper is greatly reduced, therefore, the compact rope gripper can be conveniently mounted and used on existing elevator equipment, and potential safety hazards are eliminated when the elevator equipment is used.
Description
Technical field
The present invention relates to a kind of wire stopper, specifically a kind of compact rope brake.
Background technology
For the pernicious personnel casualty accidents preventing car accidental movement from producing, applicant proposed one can be as safety
The patent application of the rope brake of brake, application number 201610035448.6.Its structure is to be provided with sandwich serface phase in the frame
To two braking fixture blocks, two braking fixture blocks sandwich serfaces between formed rope passage, at the sandwich serface of described braking fixture block
On be provided with friction plate, having at least one in two described braking fixture blocks is movable folder moving up and down in described framework
Block, is provided with between described movable clip block and described framework and pulls movable clip block so that its back side abuts in drawing of framework inner edge
Spring;The back side of described movable clip block is inclined-plane relative to sandwich serface, makes movable clip block constitute wedge;The back of the body with described movable clip block
The inner edge of the described framework that face fits is the inclined-plane being harmonious with the described movable clip block back side.This design can make car or play lift heavy
Thing is the most upwards rushed to summit or slips downwards car, all can be dead by rope brake folder at once, thus prevent elevator or crane gear because of
The generation of the serious accident that fortuitous event causes.
But, due to the wedge structure design of braking fixture block so that the overall structure size of rope brake is relatively big, should in reality
Using middle discovery, the available installing space on a lot of lift facilities is all extremely limited, and the rope brake of this coarse scale structures,
It is substantially and cannot be installed on it.If reducing the size of the wedge structure of braking fixture block, braking fixture block cannot be provided to protect
Hold the sufficient coasting distance of laterally opposed displacement, thus also cannot ensure the safety system effective by the offer of this rope brake
Dynamic chucking power.
Although the mounting structure redesigning elevator traction equipment for this brand-new rope brake is a kind of feasible selection,
But, the most a large amount of lift facilities of installation and operation can not disable or update over a period to come, and these
With elevator installation the most useless and use deadman's brake, there are bigger potential safety hazard the most accordingly.This be also
The place why deadman's brake can become the reason of a kind of mandatory code requirement is installed additional on elevator traction equipment.Therefore,
For at present in the installation with the deadman's brake of elevator, it is a task the most urgent, to the Curve guide impeller of rope brake also
Just become inevitable.
Summary of the invention
It is an object of the invention to provide a kind of compact rope brake, to solve existing big structure rope brake with elevator
The problem being not easy in the installing space of equipment install and use.
The object of the present invention is achieved like this: a kind of compact rope brake, including: framework, is arranged in described framework
And containing relative braking fixture block, the extension spring pulling movable clip block to reset and the triggering in two positions of at least one movable clip block
The brake activating mechanism of movable clip block action;Two juxtaposed end slipways it are provided with at the back side of described movable clip block, one
Being up slideway, one is descending slideway;Sliding surface in up slideway is outer downwards inside the top by fixture block body inclination
Oblique slope, the sliding surface in descending slideway is the slope that inside the lower section by fixture block body, outside tilts upward;Institute
Stating and be shaped with two juxtaposed longitudinally braking slide rails on framework, one is up braking slide rail, and one is descending braking slide rail;Up
The rail level of braking slide rail is relative with the up slipway location of movable clip block and oblique consistent slope, descending braking slide rail
Rail level is relative with descending slipway location and oblique consistent slope;Described movable clip block is in the pulling function of described extension spring
Under, recline on said frame, make up braking slide rail embed in up slideway, make descending braking slide rail embed descending slideway
In.
A longitudinal straight wall chute is had in the middle part of the back side of described movable clip block;By compression spring in brake activating mechanism
The front end of brake pushrod promoted penetrate framework and act against movable clip block described chute in.
One class formation of the present invention is, a braking fixture block relative with described movable clip block is fixing fixture block, described solid
Clamp block is fixed in described framework, thus constitutes certain one dynamic braking fixture block.
The another kind of structure of the present invention is, two braking fixture blocks in described framework are movable clip block, two movable folders
Block is symmetrical structure, thus constitutes double dynamic braking fixture block.The opening degree of the rope passage of the advantage of this rope brake is bigger, suitable
In the most wide in range working condition, there is bigger clamping brake force and shorter protective effect time.
In the structure of this Dual Action fixture block, two brake activating mechanism can be symmetrically arranged with on said frame,
Each described brake activating mechanism drives a described movable clip block action by brake pushrod.
In the structure of this Dual Action fixture block, it is also possible to be provided with a brake activating mechanism and on said frame
Set synchronous clamping mechanism, described synchronous clamping mechanism, under the promotion of described brake activating mechanism, simultaneously drives two described work
Dynamic fixture block action in opposite directions to inner side.
The present invention can be provided with to reduce the rolling bearing of frictional resistance on the slope of described framework.
The present invention can also be provided with to reduce the rolling bearing of frictional resistance on the slope of described movable clip block.
The present invention also can be provided with rolling bearing on the front end of described brake pushrod, to reduce brake pushrod with movable
Frictional resistance between fixture block.
The present invention devises two juxtaposed longitudinal slopes at the back side of movable clip block, and two slopes are all from activity
The upper lower edge along arrival body of fixture block body, therefore constitutes the braking slideway structure that two positions are contour.Accordingly, at framework
Every one end one up and braking slide rail of descending two slope is set, so, when braking, movable clip block without
Opinion is up or descending by steel wire rope traction by steel wire rope traction, all can have the slideway can be by one corresponding on framework
The guiding squeezing action of braking slide rail, and while moving up and down, the horizontal stroke of generation rope passage between two braking fixture blocks
To relative shift, thus the dead stop of rope cramp that will navigate within rope passage.
The present invention changes braking fixture block original sphenoid structure, under conditions of ensureing to have identical sliding distance, and system
The height of dynamic fixture block can reduce by 50%, thus can the overall structure size of rope brake significantly be reduced, and forms a kind of compact conformation
Rope brake, so, had both facilitated the design of the mounting structure of the elevator traction equipment to new clothes deadman's brake, again can be in a large number
Elevator traction equipment carry out installing transformation, thus eliminate at present in the potential safety hazard existed with lift facility.
It addition, the uplink and downlink slideway of brand-new design coordinates guiding braking mould with the Embedded of uplink and downlink braking slide rail
Formula, and under the assosting effect of brake pushrod pushing and withstanding chute, also can be prevented effectively from horizontal in braking procedure of movable clip block
Beat, it is ensured that steel wire rope is applied reliable and stable breaking force.
Accompanying drawing explanation
Fig. 1 is the structural representation of Dual Action fixture block rope brake.
Fig. 2 is the top view of rope brake shown in Fig. 1.
Fig. 3 is the structural representation of movable clip block.
Fig. 4 is the structural representation of the rope brake of band synchronous clamping mechanism.
Fig. 5 is the structural representation of the rope brake laterally having steel-cable channel.
Fig. 6 is the structural representation of single movable clip block rope brake.
In figure: 1, framework, 2, brake pushrod, 3, friction plate, 4, movable clip block, 5, extension spring, 6, chute, 7, braking triggering machine
Structure, 8, synchronous clamping mechanism, 9, fixing fixture block, 10, steel wire rope, 11, top board, 12, base plate, 13, column, 14, side plate, 41, on
Row slideway, 42, descending slideway.
Detailed description of the invention
Embodiment 1
As shown in Figure 1 and Figure 2, framework 1 is enclosed, by top board 11, base plate 12, column 13 and side plate 14, the space frame structure made,
Column 13 is arranged on two ends of framework 1, and often end has two, and side plate 14 is fixed on two sides of framework 1.At framework 1
Scrak type opening opposing upper and lower is had on top board 11 and base plate 12;Be provided with in framework 1 that sandwich serface is relative two
Braking fixture block, two braking fixture blocks are movable clip block 4.Two braking fixture blocks are oppositely arranged, and the opposite face of braking fixture block is phase
The most parallel sandwich serface, is provided with friction plate 3 on the sandwich serface of each braking fixture block.Between the sandwich serface of two braking fixture blocks
Forming rope passage 2, this rope passage 2 is the most relative with the scrak type opening on framework 1, makes haulage cable 10 be able at frame
Walk up and down in frame 1.Two movable clip blocks 4 are symmetrical structure, and are to be symmetricly set in framework 1.
As it is shown on figure 3, movable clip block 4 plane is sandwich serface, the one side runed counter to sandwich serface is movable clip block
The back side.Be provided with two juxtaposed end slipways at the back side of movable clip block 4, slideway is chute type, and one is up slideway 41,
One is descending slideway 42.Sliding surface (i.e. groove bottom) in up slideway is outer downwards inside the top by fixture block body inclination
Oblique slope;Sliding surface in descending slideway is that the slope that inside the lower section by fixture block body, outside tilts upward is (similar
The escalator structure of one group of uplink and downlink in supermarket, but be to erect).Article two, end slipway is all from activity
The upper lower edge along arrival body of fixture block body, therefore constitutes the braking slideway structure that two positions are contour on movable clip block 4.
It is relative with the position of the end slipway at movable clip block 4 back side that the column at framework 1 two ends arranges position, and, each
The one side that column is relative with movable clip block constitutes a prominent vertical inclined-plane, forms one and can carry out movable clip block guiding braking
Braking slide rail.The inner bulge of two columns that framework 1 is often held forms two juxtaposed longitudinally braking slide rails, and one is up
Braking slide rail, one is descending braking slide rail;The rail level of up braking slide rail is relative with the up slipway location of movable clip block 4
And oblique consistent slope, the rail level of descending braking slide rail is relative with descending slipway location and oblique consistent slope.
Be respectively arranged with upper and lower two groups of extension springs 5 at the two ends of framework 1, extension spring 5 is connected on movable clip block 4, makes movable folder
Block 4, under the pulling function of extension spring, abuts on the column of framework 1, and makes the up braking slide rail embedding activity on framework 1 press from both sides
In up slideway on block 4, the descending braking slide rail on framework 1 is made to embed in the descending slideway on movable clip block 4.Further, logical
Cross the effect of extension spring 5, make at the middle position of the vertical direction that the movable clip block 4 of side, place abuts in framework 1.This position is for living
The normality holding position of dynamic fixture block 4, is also the position making rope passage 2 keep aperture maximum, so that haulage cable can be at rope
Without hindrance, nothing frictionally normal pass in Suo Tongdao 2.
As seen from Figure 3, between the up slideway 41 and descending slideway 42 at the back side of movable clip block 4, a longitudinal direction is had
Chute 6, this chute can be up/down perforation groove, it is also possible to be the groove of the upper lower sealing of a section offered between two parties.For the latter, should
Can ensure that movable clip block 4 can arrive top dead centre and the lower dead center of braking smoothly after brake pushrod inserts.The bottom land of chute 6
Parallel with the sandwich serface of movable clip block 4 in face.
In Fig. 1, the outer middle side part at the two ends column 13 of framework 1 is respectively arranged with brake activating mechanism 7, and this braking triggers
Mechanism selects electromagnetic brake.The structure of electromagnetic brake includes Breake Electromagnet, compression spring and brake pushrod 2 etc.;
Breake Electromagnet is made up of yoke, armature and solenoid etc.;Compression spring is arranged in the inner chamber of Breake Electromagnet and (also can set
Put the outside at Breake Electromagnet), brake pushrod 2 passes from yoke, armature and compression spring, and keeps linkage knot with armature
Structure.
Brake pushrod 2 is perpendicular to the sandwich serface of movable clip block 4, and its front end penetrates in framework 1 between two columns 13, so
After act against the bottom land of chute 6 on movable clip block 4, with under the effect of compression spring, movable clip block 4 is implemented forward pushing and withstanding
Extruding force.The position of the brake pushrod 2 at framework 1 two ends is relative.
As shown in Figure 4, rope brake of the present invention also can only install a set of brake activating mechanism on framework 1, installs the most again
A set of synchronous clamping mechanism 8.Synchronous clamping mechanism 8 can be one section of H-frame pole, connects with brake activating mechanism 7, and can be in system
Under the promotion of dynamic trigger mechanism 7, by the interoperation of two 45° angles between brake pushrod 2, promote two push rods 2 simultaneously
Produce linear motion, thus drive two movable clip blocks 4 to move, it is achieved synchronous clamping action in opposite directions.
After Elevator landing is braked, owing to now this rope brake is dead electricity clamp position, rely on the pressure in Breake Electromagnet
The elastic force of contracting spring, clamps haulage cable, therefore, if now there is car accidental movement (elevator main brake the most this moment
Device is malfunctioning) situation time, the braking friction of steel wire rope 10 will be reacted on and be in folder by the friction plate 3 on two movable clip blocks 4
Hold the movable clip block 4 of state, and if drive movable clip block 4 to move up or down movable clip block 4 to move up, then its
The up slideway at the back side, under the guiding of the up braking slide rail of framework 1, produces the relative shift to sandwich serface, thus by steel wire
Restrict 10 Quick-clampeds, folder extremely;If movable clip block 4 moves down, then the descending slideway at its back side is sliding in the descending braking of framework 1
Under the guiding of rail, produce the relative shift to sandwich serface, it is possible to by steel wire rope 10 Quick-clamped, folder extremely;Thus achieve at electricity
After ladder foundation brakes is malfunctioning steel wire rope way moving reliably and quickly clamped stop, serve deadman's brake due
Safety protection function, it is to avoid because the elevator foundation brakes malfunctioning car caused upwards is rushed to summit or contingency at the bottom of pier downwards
Occur.
For reducing the brake pushrod 2 pressure drag during the safety arrestment of movable clip block 4, can be at movable clip block 4
The back side arranges some rolling bearings, to reduce the sliding-frictional resistance braked between slide rail of movable clip block and framework.Also can be
Install rolling bearing additional on the front end of brake pushrod 2, with reduce movable clip block 4 when safety arrestment with brake pushrod front end it
Between sliding-frictional resistance.
Embodiment 2
As it is shown in figure 5, the rope brake structure of the present embodiment is essentially identical with the structure of embodiment 1, it also it is bilateral activity fixture block
Structure is set, and on framework 1, is provided with two brake activating mechanism 7;Brake pushrod 2 in two brake activating mechanism 7
The front end movable clip block 4 that acts against respective side respectively chute 6 in, carry out triggering braking.
Except that have the most through passage on top board 11, base plate 12 and a side plate 14 in framework 1 side.
The structure that this rope passage side is opened, it is simple to install this rope brake on the most easily detachable lift facility, i.e. on elevator
The rope that steel wire rope 10 can be constituted between two movable clip blocks by there being the side opening structure to enter smoothly on framework 1 leads to
In road, thus it is very easy to this rope brake at present with the installation of lift facility.
Embodiment 3
As shown in Figure 6, the structure of the present embodiment is essentially identical with the structure of embodiment 1, simply the braking of two in framework 1 fixture block
In, of the right is movable clip block 4, and of the left side is fixing fixture block 9.In the present embodiment, fixing fixture block 9 is fixed on frame
The left side of frame 1, correspondingly, it is possible to the setting of two columns saved in framework 1 on left position.Brake activating mechanism 7 is only
Installation settings on the upright of frame 13 that movable clip block 4 one end is set.
The present embodiment is a kind of compact rope brake matched by a movable clip block and a fixing fixture block.Movable folder
Up slideway on block 4 and descending slideway and the up braking slide rail on upright of frame and descending braking slide rail corresponding matching,
Under the triggering of brake activating mechanism 7 promotes, under the drive of friction force of steel rope, produce pinching action in opposite directions, it is achieved leading
After brake failure, haulage cable is pressed from both sides the safety protection function of dead stop.
Claims (9)
1. a compact rope brake, including: framework, is arranged in described framework and containing at least one movable clip block two
Braking fixture block, the extension spring pulling movable clip block to reset and the brake activating mechanism of triggered activity fixture block action that position is relative,
It is characterized in that, be provided with two juxtaposed end slipways at the back side of described movable clip block, one is up slideway, under one is
Row slideway;Sliding surface in up slideway is the slope that inside the top by fixture block body, outside tilts downwards, descending slideway
In sliding surface be inside the lower section by fixture block body upward outside tilt slope;It is shaped with two juxtapositions on said frame
Longitudinal direction braking slide rail, one is up braking slide rail, and one is descending braking slide rail;The rail level of up braking slide rail is and work
The up slipway location of dynamic fixture block is relative and oblique consistent slope, and the rail level of descending braking slide rail is and descending slipway location
Relative and oblique consistent slope;Described movable clip block, under the pulling function of described extension spring, reclines on said frame, makes
Up braking slide rail embeds in up slideway, makes descending braking slide rail embed in descending slideway.
Compact rope brake the most according to claim 1, is characterized in that, has one in the middle part of the back side of described movable clip block
Bar longitudinal direction straight wall chute;The front end of the brake pushrod promoted by compression spring in brake activating mechanism penetrates framework and acts against work
In the described chute of dynamic fixture block.
Compact rope brake the most according to claim 1 and 2, is characterized in that, a system relative with described movable clip block
Dynamic fixture block is fixing fixture block, and described fixing fixture block is fixed in described framework.
Compact rope brake the most according to claim 1 and 2, is characterized in that, two braking fixture blocks in described framework are equal
For movable clip block, two movable clip blocks are symmetrical structure.
Compact rope brake the most according to claim 4, is characterized in that, is symmetrically arranged with two brakings on said frame
Trigger mechanism, each described brake activating mechanism drives a described movable clip block action by brake pushrod.
Compact rope brake the most according to claim 5, is characterized in that, is provided with a braking on said frame and triggers
Mechanism and a set of synchronous clamping mechanism, described synchronous clamping mechanism, under the promotion of described brake activating mechanism, simultaneously drives two
The action in opposite directions to inner side of individual described movable clip block.
7., according to the compact rope brake described in claim 1,2,5 or 6, it is characterized in that, the slope of described framework sets
It is equipped with to reduce the rolling bearing of frictional resistance.
8., according to the compact rope brake described in claim 1,2,5 or 6, it is characterized in that, at the slope of described movable clip block
On be provided with to reduce the rolling bearing of frictional resistance.
The most according to claim 1, compact rope brake, is characterized in that, is provided with rolling on the front end of described brake pushrod
Dynamic bearing.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201610635370.1A CN106044455B (en) | 2016-08-05 | 2016-08-05 | Compact rope brake |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201610635370.1A CN106044455B (en) | 2016-08-05 | 2016-08-05 | Compact rope brake |
Publications (2)
Publication Number | Publication Date |
---|---|
CN106044455A true CN106044455A (en) | 2016-10-26 |
CN106044455B CN106044455B (en) | 2017-09-26 |
Family
ID=57480363
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201610635370.1A Active CN106044455B (en) | 2016-08-05 | 2016-08-05 | Compact rope brake |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN106044455B (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107867616A (en) * | 2016-09-27 | 2018-04-03 | 上海三菱电梯有限公司 | Elevator rope gripper |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102120539A (en) * | 2010-12-30 | 2011-07-13 | 沈阳博林特电梯股份有限公司 | Electromagnetic wedge-shaped bidirectional rope gripper |
CN103693524A (en) * | 2012-09-27 | 2014-04-02 | 株式会社日立制作所 | Elevator with emergency braking equipment |
CN203728359U (en) * | 2013-12-16 | 2014-07-23 | 河北东方富达机械有限公司 | Two-way braking safety tongs |
JP2015009981A (en) * | 2013-07-02 | 2015-01-19 | 株式会社日立製作所 | Elevator |
CN105480811A (en) * | 2016-01-20 | 2016-04-13 | 韩伍林 | Rope gripper |
CN205998799U (en) * | 2016-08-05 | 2017-03-08 | 韩伍林 | Compact rope brake |
-
2016
- 2016-08-05 CN CN201610635370.1A patent/CN106044455B/en active Active
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102120539A (en) * | 2010-12-30 | 2011-07-13 | 沈阳博林特电梯股份有限公司 | Electromagnetic wedge-shaped bidirectional rope gripper |
CN103693524A (en) * | 2012-09-27 | 2014-04-02 | 株式会社日立制作所 | Elevator with emergency braking equipment |
JP2015009981A (en) * | 2013-07-02 | 2015-01-19 | 株式会社日立製作所 | Elevator |
CN203728359U (en) * | 2013-12-16 | 2014-07-23 | 河北东方富达机械有限公司 | Two-way braking safety tongs |
CN105480811A (en) * | 2016-01-20 | 2016-04-13 | 韩伍林 | Rope gripper |
CN205998799U (en) * | 2016-08-05 | 2017-03-08 | 韩伍林 | Compact rope brake |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107867616A (en) * | 2016-09-27 | 2018-04-03 | 上海三菱电梯有限公司 | Elevator rope gripper |
Also Published As
Publication number | Publication date |
---|---|
CN106044455B (en) | 2017-09-26 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN102120539B (en) | Electromagnetic wedge-shaped bidirectional rope gripper | |
CN105480812B (en) | Power-loss trigger type steel wire rope brake and braking method thereof | |
US5411117A (en) | Safety device arrangement | |
CN201914801U (en) | Electromagnetic wedge-shaped bidirectional rope clamp | |
CA2408024C (en) | Braking device for a lift | |
CN210103233U (en) | Protection device of building construction elevator | |
CN105819302A (en) | Rope gripper | |
JP5603755B2 (en) | Elevator equipment | |
CN109693987B (en) | Bidirectional safety brake device for elevator | |
CN105480811B (en) | Rope clamping device | |
CN205998798U (en) | Compact rope brake | |
CN109678025B (en) | Fall-preventing safety elevator system | |
CN106044455A (en) | Compact rope gripper | |
CN205998799U (en) | Compact rope brake | |
CN205772613U (en) | Rope brake | |
CN205953255U (en) | Bidirectional safety tongs for elevator | |
CN111392542B (en) | Bidirectional safety tongs | |
CN102674118A (en) | Elevator traction machine of steel wire rope antiskid device | |
CN209974037U (en) | Accidental movement protection device for elevator car | |
CN218595823U (en) | Stacker prevents weighing down safety device | |
CN205367379U (en) | Wire holder | |
CN219669874U (en) | Elevator locking mechanism | |
CN205998927U (en) | Two-way lock collar device | |
CN109879136B (en) | Safety elevator | |
CN106115534B (en) | Two-way lock collar device |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
TA01 | Transfer of patent application right |
Effective date of registration: 20170802 Address after: High tech Zone of Hebei province Shijiazhuang City Xinshi road 050000 No. 375 Applicant after: Shijiazhuang Wulon brake Co., Ltd Address before: Hebei province Shijiazhuang City Xinshi road 050000 No. 375 stone building C block 501 Wulong brake Limited by Share Ltd Applicant before: Han Wulin |
|
TA01 | Transfer of patent application right | ||
GR01 | Patent grant | ||
GR01 | Patent grant |