CN205998927U - Two-way lock collar device - Google Patents
Two-way lock collar device Download PDFInfo
- Publication number
- CN205998927U CN205998927U CN201620913433.0U CN201620913433U CN205998927U CN 205998927 U CN205998927 U CN 205998927U CN 201620913433 U CN201620913433 U CN 201620913433U CN 205998927 U CN205998927 U CN 205998927U
- Authority
- CN
- China
- Prior art keywords
- braking
- fixture block
- slide rail
- slideway
- descending
- 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.)
- Withdrawn - After Issue
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Abstract
This utility model is related to a kind of two-way lock collar device, and its structure includes framework, braking fixture block, brake activating mechanism and extension spring, and the back side of braking fixture block is provided with up slideway and descending slideway;Up braking slide rail and descending braking slide rail are formed with each framework;Braking fixture block, under the pulling function of extension spring, abuts on framework, so that up braking slide rail is abutted on up slideway, so that descending braking slide rail is abutted on descending slideway.This utility model all can play the purpose of fast braking in same installed position to the shake double-direction turning movement of wheel disc, avoid long span lock collar device install on wheel disc can not defect, solve the difficult problem that lock collar device can not implement wheel disc bi-directional braking, improve job stability and the reliability of lock collar device.
Description
Technical field
This utility model is related to a kind of deadman's brake, specifically a kind of for wheel disc is carried out with the double of safety arrestment
To lock collar device.
Background technology
CN105480890A is a kind of lock collar device of my earlier application, its structure include framework, braking fixture block, extension spring and
Brake activating mechanism etc..This lock collar device may be mounted on the braking wheel disc of various elevator crane gears, relies on braking fixture block
Wedge structure, reliable and stable brake hard is implemented to high pulling torque wheel disc, thus solving what existing deadman's brake existed
Volume is big, take up room many and expensive problem.But only drawback is that this lock collar device can only implement one-way brake, such as
Fruit bi-directional braking to be realized is it is necessary to form the folded structures of two reverse lock collar devices, and so certainly will will increase lock collar device
Entire length, is attached on wheel disc, because span is larger, and be two to reciprocal linear motion, therefore necessarily have braking
The state appearance that fixture block is consistent with wheel disc tangential motion direction in one direction and then becomes slanted angle in the opposite direction, so
May result in and Multiple disc brake is always had a direction be cannot to realize reliable situation about braking to occur.
Utility model content
The purpose of this utility model is exactly to provide a kind of two-way lock collar device that wheel disc can be carried out with bidirectional safe braking, to solve
Certainly existing lock collar device can not carry out the problem of bi-directional braking.
The purpose of this utility model is realized in:A kind of two-way lock collar device, including:Two frameworks being oppositely arranged,
The braking fixture block being arranged in each framework, triggering are braked the brake activating mechanism of fixture block action and are pulled brake clip block reset
Extension spring, it is characterized in that, described braking fixture block the back side be provided with two juxtaposed end slipways, one is up slideway,
One is descending slideway;Sliding surface in up slideway is by the slope that inside the top of fixture block body, outside tilts downwards,
Sliding surface in descending slideway is by the slope that inside the lower section of fixture block body, outside tilts upward;On each described framework
It is formed with two juxtaposed longitudinally braking slide rails, one is up braking slide rail, and one is descending braking slide rail;Up braking slide rail
Rail level be relative with the up slipway location of braking fixture block and oblique consistent slope, the rail level of descending braking slide rail be with
Descending slipway location is relatively and oblique consistent slope;Described braking fixture block, under the pulling function of described extension spring, abuts in
On described framework, so that up braking slide rail is abutted on up slideway, so that descending braking slide rail is abutted on descending slideway.
A longitudinal straight wall chute is had in the middle part of the back side of described braking fixture block;By the compression bullet in brake activating mechanism
The front end of the brake pushrod that spring promotes penetrates framework and acts against in the described chute braking fixture block.
This utility model can have two brake activating mechanism, sets up separately on two frameworks, each described braking triggering machine
Structure pass through brake pushrod drive described braking fixture block action in the frame.
This utility model can also have a brake activating mechanism, is arranged on the underframe fixing two frameworks, described
Synchronous clamping mechanism is additionally provided with underframe, described synchronous clamping mechanism, under the promotion of described brake activating mechanism, drives simultaneously
Dynamic two described braking opposite actions of fixture block.
The up braking slide rail of framework and the slope of descending braking slide rail are respectively arranged with reduce friction resistance
The rolling bearing of power, or the rolling bearing of frictional resistance is provided with to reduce on the slope of described braking fixture block, with
Reduce braking fixture block and framework brakes the sliding friction between slide rail.
The front end of described brake pushrod is provided with rolling bearing, to reduce braking fixture block in safety arrestment and system
Frictional resistance between dynamic push rod termination.
This utility model devises the up slideway with slope and descending slideway, two slideways at the back side of braking fixture block
Parallel setting, and be all the upper lower edge along arrival body from brake clip block body, therefore constitute the contour cunning in two positions
Road structure.Accordingly, the up braking slide rail with slope for the setting and descending braking slide rail on framework, so, in braking,
Braking fixture block is either still pulled descending by the frictional resistance traction of steel wire rope is up, and a slideway all can be had to be subject to frame
The guiding squeezing action of a corresponding braking slide rail on frame, thus the of short duration motor process up or down in braking fixture block
In, all can produce to two braking fixture blocks between chuck gap laterally opposed displacement, thus by chuck gap rotate
The wheel dead stop of disk folder.
This utility model changes the wedge structure of braking fixture block, by arranging juxtaposed up slideway and descending slideway,
Match with the up braking slide rail on framework and descending braking slide rail again, thus make braking fixture block on two braking directions
All with can wheel disc tangential motion direction consistent, thus all can rise to the shake double-direction turning movement of wheel disc in same installed position
To the purpose of fast braking, thus avoid long span lock collar device install on wheel disc can not defect, solve lock collar device not
A difficult problem for wheel disc bi-directional braking can be implemented.In addition, the embedded of slide rail is braked in the up-downgoing slideway of brand-new design and up-downgoing joining
Close locking guiding braking mode, and under brake pushrod assosting effect of pushing and withstanding in chute, also can be prevented effectively from brake clip
The beat phenomenon that block occurs in braking procedure, it is ensured that reliable and stable clamping breaking force can be applied to wheel disc, thus carries
The high job stability of lock collar device and reliability.
Brief description
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the side view of two-way lock collar device shown in Fig. 1.
Fig. 3 is the top view of two-way lock collar device shown in Fig. 1.
Fig. 4 is the structural representation of braking fixture block.
In figure:1st, framework, 2, fin post, 3, friction plate, 4, braking fixture block, 5, extension spring, 6, chute, 7, braking triggering machine
Structure, 8, brake pushrod, 9, brake disc, 10, jack hole, 41, up slideway, 42, descending slideway.
Specific embodiment
As shown in Fig. 1 Fig. 3, two frameworks 1 are oppositely arranged, and form a bar seam between two frameworks 1, and this stitches as folder
Hold the chuck gap of brake disc(Fig. 1).Two frameworks 1 are respectively arranged with end plate, are provided with jack hole 10 in the bottom of framework 1
(Fig. 3), by wearing the screw rod connecing and securing member etc., two frameworks 1 are fixed on a support body of bottom;Also can be by two frames
Frame 1 and support body are integratedly fabricated to a U-shaped structure body, and two frameworks 1 become the cantilever arm of U-shaped structure body;Also can be by two
Framework 1 is directly fixedly mounted on the base of elevator crane gear, and makes two frameworks 1 be located at the card both sides of brake disc 8(Figure
2nd, Fig. 3).
In Fig. 1, each framework 1 is provided with braking fixture block 4, the sandwich serface of two braking fixture blocks 4 relatively, is being braked
Friction plate 3 is provided with the sandwich serface of fixture block 4.
As shown in figure 3, a plane of braking fixture block 4 is sandwich serface, it is braking fixture block with the one side that sandwich serface is runed counter to
The back side.The back side of braking fixture block 4 is provided with two juxtaposed end slipways, slideway is in chute type, and one is up slideway 41,
One is descending slideway 42.Sliding surface in up slideway(I.e. groove bottom)It is to be rolled by outer downwards inside the top of fixture block body
Oblique slope;Sliding surface in descending slideway is by the slope that inside the lower section of fixture block body, outside tilts upward(Similar
The escalator structure of one group of uplink and downlink in supermarket, but be to erect when using).Article two, end slipway is all
From the upper lower edge along arrival body of brake clip block body, two contour brakings in positions are therefore constituted on braking fixture block 4 and slides
Road structure.
Position two fins relative with the position of the end slipway at the braking fixture block back side are provided with the end plate of framework 1
Post 2, and, each fin post 2 one side relative with braking fixture block constitutes a prominent vertical inclined-plane, and forming one can be to braking
Fixture block carries out guiding the braking slide rail of braking.The inner bulge of two fin posts 2 on each framework 1 end plate forms two juxtapositions
Longitudinal direction braking slide rail, one is up braking slide rail, and one is descending braking slide rail;Up braking slide rail rail level be and system
Relatively and oblique consistent slope, the rail level of descending braking slide rail is and descending slideway position for the up slipway location of dynamic fixture block 4
Put relative and oblique consistent slope.
Upper and lower two groups of extension springs 5 are respectively arranged with each framework 1, every extension spring 5 is additionally attached to brake on fixture block 4, makes
Braking fixture block 4, under the pulling function of extension spring, abuts on the fin post 2 of framework 1, and makes the up braking slide rail on framework 1
In up slideway on embedded braking fixture block 4;The descending braking slide rail on framework 1 is made to embed the descending slideway on braking fixture block 4
In.By the effect of extension spring 5, braking fixture block 4 can be made to abut at the middle position of the vertical direction of framework 1.This position is system
The normality holding position of dynamic fixture block 4, is also to make the gap between two braking fixture blocks keep the maximum position of aperture, so that brake disc 9
Being capable of without hindrance in chuck gap, nothing frictionally normal pass.
As seen from Figure 3, have a longitudinal direction at the position between the up slideway 41 and descending slideway 42 of braking fixture block 4
Chute 6, this chute can be up/down perforation groove or the groove of open up between two parties one section upper lower sealing.For the latter,
Should be can ensure to brake top dead centre and the lower dead center that fixture block 4 can smoothly reach braking after brake pushrod inserts.The groove of chute 6
Being paralleled with the sandwich serface of braking fixture block 4 in mouth bottom surface, constitutes flat chute.
In Fig. 1, the middle part of the outboard end of each framework 1 is provided with brake activating mechanism 7, this brake activating mechanism is selected
Electromagnetic brake.The structure of electromagnetic brake includes Breake Electromagnet, compression spring and brake pushrod 8 etc.;Braking electromagnetism
Ferrum is made up of yoke, armature and solenoid etc.;Compression spring is arranged in the inner chamber of Breake Electromagnet(May also be arranged on braking
The outside of electric magnet), brake pushrod 8 passes through from yoke, armature and compression spring, and keeps linkage structure with armature.
In Fig. 3, perpendicular to the sandwich serface of braking fixture block 4, its front end penetrates frame between two fin posts 2 to brake pushrod 8
In frame 1, then act against the bottom land of the chute 6 on braking fixture block 4, in the presence of compression spring, to implement to braking fixture block 4
Positive pushing and withstanding extruding force.The position of the brake pushrod 8 at framework 1 two ends is relatively.
This utility model lock collar device also can install a set of brake activating mechanism on the underframe of installation frame 1, in addition pacifies again
Fill a set of synchronous clamping mechanism.Synchronous clamping mechanism can be one section of H-frame pole, connect with brake activating mechanism 7, and can be in system
Under the promotion of dynamic trigger mechanism 7, by brake pushrod 8 between two 45° angles interoperation, simultaneously promote two brakings push away
Bar 8 produces opposite linear motion, thus driving two braking fixture block 4 actions, realizes opposite synchronous clamping braking.
In Fig. 2, two frame parts of this two-way lock collar device set up the both sides relative position in brake disc 9 separately.Once volume
The foundation brakes failure of heavy equipment of kicking up or traction electric machine are out of control, then elevator crane gear starts not occur to car slipping or upwards not
The runaway condition stopping, now the brake disc 9 of elevator crane gear therewith clockwise or counterclockwise, now, reset by hoisting crane
Standby upper detecting and controlling system sends safely braking control instruction immediately, so that the Breake Electromagnet 7 of this two-way lock collar device both sides is moved
Make, two brake pushrods 8, towards the chuck gap of lock collar device, promote the braking fixture block 4 of respective side to press to brake disc 9 in opposite directions
Card, this moment, brake disc 9 is clamped by two braking fixture blocks 4 in this two-way lock collar device, and the friction plate 3 on braking fixture block 4 is to rotation
The brake disc 9 turning produces braking friction, and this braking friction reacts on two braking fixture blocks 4, so that two braking fixture blocks 4 is produced
If raw action action upwards upwardly or downwardly, the guiding locking of the up braking slide rail on framework 1 can be subject to;
The guiding locking of the descending braking slide rail on framework 1 if downward actuation, can be subject to, two braking fixture blocks 4 are in guiding locking
During, chuck gap is reduced by crushing failure at high speed, thus brake disc 9 is clamped simultaneously quick clip extremely, being achieved in brake disc 9
The reliability of forward or reverse both direction and stable clamping stop, serve safety when elevator crane gear surprisingly occurs and protect
Shield acts on, it is to avoid because the foundation brakes failure of elevator crane gear or motor draw up out of control led to by hoisting heavy
Or the generation of the car slipping pier bottom that is likely to occur of box or the contingency such as rush to summit upwards.
For reducing pressure drag during the safety arrestment of braking fixture block 4 for the brake pushrod 8, can be in braking fixture block 4
The back side arranges some rolling bearings, brakes the sliding-frictional resistance between slide rail with the up-downgoing reducing braking fixture block and framework.
Also rolling bearing can be installed additional on the front end of brake pushrod 8, to reduce braking fixture block 4 in safety arrestment and before brake pushrod
Sliding-frictional resistance between termination.
Claims (7)
1. a kind of two-way lock collar device, including:Two frameworks being oppositely arranged, the braking fixture block being arranged in each framework, triggering
The brake activating mechanism of braking fixture block action and the extension spring pulling brake clip block reset, is characterized in that, in described braking fixture block
The back side be provided with two juxtaposed end slipways, one is up slideway, and one is descending slideway;Sliding surface in up slideway
It is that the sliding surface in descending slideway is by under fixture block body by the slope that inside the top of fixture block body, outside tilts downwards
The slope that inside side, outside tilts upward;Two juxtaposed longitudinally braking slide rails are formed with each described framework, one
It is up braking slide rail, one is descending braking slide rail;The rail level of up braking slide rail is the up slideway position with braking fixture block
Put relatively and oblique consistent slope, the rail level of descending braking slide rail is relative with descending slipway location and oblique unanimously oblique
Domatic;Described braking fixture block, under the pulling function of described extension spring, reclines on said frame, so that up braking slide rail is abutted in
On up slideway, descending braking slide rail is made to abut on descending slideway.
2. two-way lock collar device according to claim 1, is characterized in that, has one in the middle part of the back side of described braking fixture block
Longitudinal straight wall chute;The front end of the brake pushrod being promoted by the compression spring in brake activating mechanism penetrates framework and acts against system
In the described chute of dynamic fixture block.
3. two-way lock collar device according to claim 2, is characterized in that, described brake activating mechanism has two, sets up separately two
On individual framework, each described brake activating mechanism passes through brake pushrod and drives institute's described braking fixture block in the frame dynamic
Make.
4. two-way lock collar device according to claim 2, is characterized in that, described brake activating mechanism has one, is arranged on solid
On the underframe of fixed two frameworks, described underframe is additionally provided with synchronous clamping mechanism, described synchronous clamping mechanism is in described system
Under the promotion of dynamic trigger mechanism, simultaneously drive two described braking opposite actions of fixture block.
5. the two-way lock collar device according to claim 1,2,3 or 4, is characterized in that, framework up braking slide rail and under
The rolling bearing of frictional resistance is respectively arranged with to reduce on the slope of row braking slide rail.
6. the two-way lock collar device according to claim 1,2,3 or 4, is characterized in that, on the slope of described braking fixture block
It is provided with to reduce the rolling bearing of frictional resistance.
7. two-way lock collar device according to claim 1, is characterized in that, be provided with rolling on the front end of described brake pushrod
Bearing.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201620913433.0U CN205998927U (en) | 2016-08-22 | 2016-08-22 | Two-way lock collar device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201620913433.0U CN205998927U (en) | 2016-08-22 | 2016-08-22 | Two-way lock collar device |
Publications (1)
Publication Number | Publication Date |
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CN205998927U true CN205998927U (en) | 2017-03-08 |
Family
ID=58196575
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN201620913433.0U Withdrawn - After Issue CN205998927U (en) | 2016-08-22 | 2016-08-22 | Two-way lock collar device |
Country Status (1)
Country | Link |
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CN (1) | CN205998927U (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106115534A (en) * | 2016-08-22 | 2016-11-16 | 韩伍林 | Two-way lock collar device |
-
2016
- 2016-08-22 CN CN201620913433.0U patent/CN205998927U/en not_active Withdrawn - After Issue
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106115534A (en) * | 2016-08-22 | 2016-11-16 | 韩伍林 | Two-way lock collar device |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
AV01 | Patent right actively abandoned | ||
AV01 | Patent right actively abandoned |
Granted publication date: 20170308 Effective date of abandoning: 20171027 |