CN207072725U - Elevator falling-proof brake device - Google Patents
Elevator falling-proof brake device Download PDFInfo
- Publication number
- CN207072725U CN207072725U CN201721091790.4U CN201721091790U CN207072725U CN 207072725 U CN207072725 U CN 207072725U CN 201721091790 U CN201721091790 U CN 201721091790U CN 207072725 U CN207072725 U CN 207072725U
- Authority
- CN
- China
- Prior art keywords
- push rod
- bearing
- rack
- brake device
- lift car
- 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.)
- Expired - Fee Related
Links
Landscapes
- Types And Forms Of Lifts (AREA)
- Maintenance And Inspection Apparatuses For Elevators (AREA)
Abstract
The utility model discloses elevator falling-proof brake device, it includes lift car (1), lift car (1) both sides are respectively connected with track roller (2), each track roller (2), which rolls, is connected with guide rail (3), and rail clamp plate (4) is connected with guide rail (3)；Tachogenerator (5) is provided with each track roller (2), signal processor (6) is connected with tachogenerator (5)；Signal processor (6) one end is connected with motor (7), and rack case (8) is connected with motor (7)；Rack case (8) both ends are connected to a bearing (9), and push rod (10) is socketed with each bearing (9)；The rack case (8), bearing (9) and push rod (10) are arranged at lift car (1) bottom.The utility model can not only improve security and braking effect, also with mechanism high sensitivity, flexibility it is good and the advantages of structural soundness is strong.
Description
Technical field
It the utility model is related to a kind of elevator falling-proof brake device of elevator industry.
Background technology
At present, the elevator of in the market makes car exceed the speed limit for some reason, or even when falling, the system taken
The device of dynamic car has the mechanical braking by clamping guide-rail, braked by traction dynamical system brake (band-type brake), also has logical
The mechanical structure that clamping steel wire rope reaches stop is crossed, to reach the function of preventing car from falling；But after elevator long-time use,
Elevator brake system easily produces loosening, and situation about being broken also easily occurs in steel wire rope, and is not easy to be noticeable, and then is using electricity
Clamping device easily fails when terraced, does not have the effect of prevention, and security is relatively low；And in the drop event of elevator, either
Braked by clamping guide-rail, or brake sticking brake, or by clamping steel wire rope, due to caused by the friction in clamping process
Heat energy easily makes brake apparatus fail, and when clamping guide-rail or steel wire rope, the stress point of clamping is small, can not clamp high-speed falling and
The larger car of volume, braking effect are poor.Therefore, there is security is relatively low and braking effect for existing brake device for elevator
The problem of poor.
Utility model content
The purpose of this utility model is, there is provided a kind of elevator falling-proof brake device.The utility model can not only carry
High security, also with braking effect it is preferable the advantages of.
The technical solution of the utility model：Elevator falling-proof brake device, including lift car, lift car both sides are equal
Track roller is connected with, each track roller, which rolls, is connected with guide rail, and rail clamp plate is connected with guide rail；Each guide rail rolling
Tachogenerator is provided with wheel, signal processor is connected with tachogenerator；Signal processor one end is connected with motor,
Rack case is connected with motor；Rack case both ends are connected to a bearing, and push rod is socketed with each bearing；The tooth
Bar case, bearing and push rod are arranged at lift car bottom.
In foregoing elevator falling-proof brake device, the tachogenerator includes generating laser, generating laser
Lower section is provided with laser pickoff；Fix bar is connected with laser pickoff, swingle is connected with fix bar, swingle is with leading
Rail roller connects；Reflectorized material is additionally provided with the track roller.
In foregoing elevator falling-proof brake device, middle part is provided with gear, the connection of gear side in the rack case
There is preceding rack, opposite side is connected with rear rack；Preceding rack and rear rack are slidably connected in rack case；The gear connects with motor
Connect.
In foregoing elevator falling-proof brake device, push rod is provided with the bearing, push rod one end connects with rack case
Connect, the other end is connected with push rod；The push rod is provided with multiple equally distributed grooves, and No.1 bullet is connected with each groove
Spring, No.1 spring one end are connected with fixture block；The bearing inwall is provided with the position of multiple equally distributed necks, neck and fixture block
Put mutual correspondence.
In foregoing elevator falling-proof brake device, the push rod is provided with No.1 groove, No.1 close to one end of rail clamp plate
Groove is provided with No. two springs；No. two spring one ends are connected with No. two grooves, and wedge type block is connected with No. two grooves, and wedge type block is provided with more
Individual equally distributed salient point；Limited block is connected with wedge type block, limited block is fixedly connected with push rod.
In foregoing elevator falling-proof brake device, fixed block, fixed block and elevator are fixedly connected with the bearing
The bottom connection of car.
Compared with prior art, the utility model improves the brake apparatus of existing elevator fall arrest, by elevator
Tachogenerator is set on the track roller of car, when lift car falls, the speed of track roller rotation is also accelerated therewith,
The rate signal of measurement is delivered to signal processor by tachogenerator, and controlled motor starts after signal processor processes signal,
Push rod in the bearing at motor driven rack case both ends is to sinciput, until push rod one end is withstood in rail clamp plate, and bearing and push rod
Lift car bottom is arranged at, between push rod by lift car so that be stuck in rail clamp plate, is replaced by the cooperation of said mechanism
The only braking to a smaller contact surface of clamping guide-rail brake apparatus, brake sticking brake and clamping steel wire rope brake apparatus, is realized
Braking to whole lift car, braking effect are more preferable；And track roller is fixed on the elevator car, when lift car falls
When, track roller follows the downward high-speed mobile of lift car, and itself produces and rotate at a high speed, so as to be captured by tachogenerator
Signal, it is therefore prevented that clamping steel wire rope can not be leaned on to brake during wire cable rupture, or can not clamp and drag during the loosening of elevator internal contracting brake system
Running wheel, or brake by clamping guide-rail, avoids dangerous caused by failure, improves security performance.In addition, the utility model
Also by being provided with reflectorized material on track roller, drive reflectorized material rolls therewith when track roller rolls, and reflective material
The laser signal for expecting to send generating laser is delivered on laser pickoff, and laser pickoff is by calculating track roller
Speed, and then signal is passed into signal processor again, improve the sensitivity of mechanism；By setting gear in rack case,
And gear and motor connection, motor driven gear rotate counterclockwise, rack is moved to the left after gear drives again, before drive rack to
Move right, so as to drive the push rod in bearing to push away forward, play the effect of elevator brake car, mechanical flexibility is good；By
Push rod in bearing is provided with multiple equally distributed fixture blocks, and bearing inwall is provided with multiple equally distributed necks, neck
Mutually corresponding with the position of fixture block, when push rod pushes away forward, the fixture block on push rod is stuck in the neck on bearing, is not easy push rod
Toward retracting, the stability of structure is improved；By being connected with up-narrow and down-wide wedge type block in push rod one end, and wedge type block is provided with
Salient point, the frictional force between push rod and guide-rail plate is added, improves braking effect；It is also solid by being fixedly connected with bearing
Determine block, and the bottom of fixed block and lift car connects, and further increases mechanical stability.Therefore, the utility model is not only
Security and braking effect can be improved, also with mechanism high sensitivity, flexibility it is good and the advantages of structural soundness is strong.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model；
Fig. 2 is the structural representation of tachogenerator；
Fig. 3 is the front view of rack case；
Fig. 4 is the top view of rack case；
Fig. 5 is the structural representation of bearing；
Fig. 6 is the structural representation of fixture block；
Fig. 7 is the structural representation of wedge type block.
Mark in accompanying drawing for：1- lift cars, 2- track rollers, 3- guide rails, 4- rail clamp plates, 5- tachogenerators, 6-
Signal processor, 7- motors, 8- rack cases, 9- bearings, 10- push rods, 11- generating lasers, 12- laser pickoffs, 13- are fixed
Bar, 14- swingles, 15- reflectorized materials, 16- gears, rack before 17-, rack after 18-, 19- push rods, 20- grooves, 21- No.1s
Spring, 22- fixture blocks, 23- necks, 24- No.1 grooves, No. bis- springs of 25-, No. bis- grooves of 26-, 27- wedge type blocks, 28- salient points, 29- are solid
Determine block, 30- limited blocks.
Embodiment
The utility model is further described with reference to the accompanying drawings and examples, but is not intended as to the utility model
The foundation of limitation.
Embodiment.Elevator falling-proof brake device, form as shown in Fig. 1 to 7, including lift car 1, lift car 1
Both sides are respectively connected with track roller 2, and each track roller 2 is rolled and is connected with guide rail 3, and rail clamp plate 4 is connected with guide rail 3；Institute
State and tachogenerator 5 is provided with each track roller 2, signal processor 6 is connected with tachogenerator 5；Signal transacting
The one end of device 6 is connected with motor 7, and rack case 8 is connected with motor 7；The both ends of rack case 8 are connected to a bearing 9, Mei Gezhi
Push rod 10 is socketed with seat 9；The rack case 8, bearing 9 and push rod 10 are arranged at the bottom of lift car 1.
The tachogenerator 5 includes generating laser 11, and the lower section of generating laser 11 is provided with laser pickoff 12；Swash
Fix bar 13 is connected with optical receiver 12, swingle 14 is connected with fix bar 13, swingle 14 is connected with track roller 2；
Reflectorized material 15 is additionally provided with the track roller 2；Middle part is provided with gear 16 in the rack case 8, and the side of gear 16 connects
Rack 17 before being connected to, opposite side are connected with rear rack 18；Preceding rack 17 and rear rack 18 are slidably connected in rack case 8；It is described
Gear 16 is connected with motor 7；Push rod 19 is provided with the bearing 9, the one end of push rod 19 is connected with rack case 8, the other end and top
Bar 10 connects；The push rod 10 is provided with multiple equally distributed grooves 20, is connected with No.1 spring 21 on each groove 20, and one
Number one end of spring 21 is connected with fixture block 22；The inwall of bearing 9 is provided with multiple equally distributed necks 23, neck 23 and fixture block
22 position is mutually corresponding；The push rod 10 is provided with No.1 groove 24 close to one end of rail clamp plate 4, and No.1 groove 24 is provided with No. two bullets
Spring 25；No. two one end of spring 25 are connected with No. two grooves 26, and wedge type block 27 is connected with No. two grooves 26, and wedge type block 27 is provided with multiple
Equally distributed salient point 28；Limited block 30 is connected with wedge type block 27, limited block 30 is fixedly connected with push rod 10；The bearing 9
On be fixedly connected with fixed block 29, fixed block 29 is connected with the bottom of lift car 1.
Operation principle：When lift car 1 falls because of certain reason, lift car 1 is not controlled by drag device,
It is changed into accelerating from original at the uniform velocity movement, so as to drive the track roller 2 on lift car 1 also to accelerate movement downwards, and
Track roller 2 is fixedly connected on lift car 1 through fix bar 13, and track roller 2 can be around the swingle in fix bar 13
14 rotate, and the rolling friction of track roller 2 and guide rail 3 are driven when lift car 1 moves downward, so as to drive guide rail to roll
Wheel 2 rotates around swingle 14, and it is that speed is faster that lift car 1, which falls, then the rotary speed of track roller 2 is also faster；And
Reflectorized material 15 is connected with track roller 2 on outer ring, track roller 2 often rotates a circle, and drives reflectorized material 15 also to rotate one
Week, and by laser pickoff 12 after the rotated reflection of reflectorized material 15 to during relevant position of laser that generating laser 11 is sent
Receive, laser often reflects once, corresponding pulse signal is obtained on laser pickoff 12, and pulse signal is sent into signal transacting
Handled on device 6, signal processor 6 can measure the speed of the rotation of track roller 2, fallen so as to measure lift car 1
When speed, and be equipped with tachogenerator 5 on each track roller 2, it is another even if a tachogenerator 5 fails
Individual tachogenerator 5 can also pass to signal signal processor 6, play a part of double insurance.
When speed when lift car 1 falls is more than a boundary value, the controlled motor 7 of signal processor 6 starts, motor
7 start rotate counterclockwise, drive the rotate counterclockwise of gear 16 in rack case 8, rack after the rotate counterclockwise drive of gear 16
18 are moved to the left, and rack 17 moves right before drive, and then rack 18, which is moved to the left, drives the push rod 19 in left side to push away forward, push rod
Push rod 10 in 19 drive bearings 9 pushes away forward, and push rod 10 is provided with multiple equally distributed grooves 20, when push rod 10 pushes away forward
Fixture block 22 is compressed, fixture block 22 makes No.1 spring 21 toward the contract of groove 20, and the inwall of bearing 9 is provided with multiple equally distributed cards
Groove 23, neck 23 and the position of fixture block 22 are mutually corresponding, and when push rod 10 pushes away forward, the fixture block 22 on push rod is stuck on bearing 9
Neck 23 in, push rod 10 is not easy toward rollback, so as to be stuck in bearing 9；The one end of push rod 10 is driven when push rod 10 pushes away forward
Wedge type block forward, until withstanding rail clamp plate 4, now No. two both ends of spring 25 on wedge type block 27 are compressed in No.1 groove respectively
24 and No. two grooves 26 in, and the elastic force of No. two springs 25 makes wedge type block 27 be contacted all the time with rail clamp plate 4, and wedge type block 27 is additionally provided with
Multiple equally distributed salient points 28, further increase the frictional force between wedge type block 27 and rail clamp plate 4, and limited block 30 is spacing
Bottom position of the wedge type block 27 relative to push rod 10, when lift car 1 falls downwards, frictional force makes the wedge type block 27 upward
It is mobile, and wedge type block 27 is up-narrow and down-wide design, wedge type block 27 is so as to be stuck between rail clamp plate 4 and push rod 10, and elevator
The bottom of car 1 is provided with multiple bearings 9, and each bearing 9 is fixed on the bottom of lift car 1, and each branch by fixed block 29
Push rod 10 is cased with seat 9, each one end of push rod 10 is respectively connected with wedge type block 27, and in multiple wedge type blocks 27 and the work of push rod 10
Until making lift car 1 stop in rail clamp plate 4 under, the safety of personnel in lift car 1 is protected.
Claims (6)
1. elevator falling-proof brake device, it is characterised in that：Including lift car (1), lift car (1) both sides are respectively connected with
Track roller (2), each track roller (2) are rolled and are connected with guide rail (3), and rail clamp plate (4) is connected with guide rail (3)；It is described
Tachogenerator (5) is provided with each track roller (2), signal processor (6) is connected with tachogenerator (5)；Letter
Number processor (6) one end is connected with motor (7), and rack case (8) is connected with motor (7)；Rack case (8) both ends are connected to
One bearing (9), push rod (10) is socketed with each bearing (9)；The rack case (8), bearing (9) and push rod (10) are all provided with
Put in lift car (1) bottom.
2. elevator falling-proof brake device according to claim 1, it is characterised in that：Tachogenerator (5) bag
Generating laser (11) is included, laser pickoff (12) is provided with below generating laser (11)；Laser pickoff connects on (12)
There is fix bar (13), swingle (14) is connected with fix bar (13), swingle (14) is connected with track roller (2)；It is described to lead
Reflectorized material (15) is additionally provided with rail roller (2).
3. elevator falling-proof brake device according to claim 1, it is characterised in that：Middle part in the rack case (8)
Gear (16) is provided with, gear (16) side is connected with preceding rack (17), and opposite side is connected with rear rack (18)；Preceding rack (17)
It is slidably connected at rear rack (18) in rack case (8)；The gear (16) is connected with motor (7).
4. elevator falling-proof brake device according to claim 1, it is characterised in that：It is provided with the bearing (9)
Push rod (19), push rod (19) one end are connected with rack case (8), and the other end is connected with push rod (10)；The push rod (10) is provided with
Multiple equally distributed grooves (20), No.1 spring (21), the connection of No.1 spring (21) one end are connected with each groove (20)
There is fixture block (22)；Bearing (9) inwall is provided with multiple equally distributed necks (23), the position of neck (23) and fixture block (22)
Put mutual correspondence.
5. elevator falling-proof brake device according to claim 1, it is characterised in that：The push rod (10) is close to folder rail
One end of plate (4) is provided with No.1 groove (24), and No.1 groove (24) is provided with No. two springs (25)；No. two spring (25) one end are connected with
No. two grooves (26), wedge type block (27) are connected with No. two grooves (26), wedge type block (27) is provided with multiple equally distributed salient points
(28)；Limited block (30) is connected with wedge type block (27), limited block (30) is fixedly connected with push rod (10).
6. the elevator falling-proof brake device according to any claim in claim 1 to 5, it is characterised in that：Institute
State and fixed block (29) is fixedly connected with bearing (9), fixed block (29) is connected with the bottom of lift car (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721091790.4U CN207072725U (en) | 2017-08-29 | 2017-08-29 | Elevator falling-proof brake device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721091790.4U CN207072725U (en) | 2017-08-29 | 2017-08-29 | Elevator falling-proof brake device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207072725U true CN207072725U (en) | 2018-03-06 |
Family
ID=61520907
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721091790.4U Expired - Fee Related CN207072725U (en) | 2017-08-29 | 2017-08-29 | Elevator falling-proof brake device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207072725U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108609446A (en) * | 2018-04-08 | 2018-10-02 | 王金凤 | Elevator operation detection control apparatus |
| CN110255415A (en) * | 2019-07-05 | 2019-09-20 | 浙江冠林机械有限公司 | The Lever Blocks of anti-fall off chain |
-
2017
- 2017-08-29 CN CN201721091790.4U patent/CN207072725U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108609446A (en) * | 2018-04-08 | 2018-10-02 | 王金凤 | Elevator operation detection control apparatus |
| CN110255415A (en) * | 2019-07-05 | 2019-09-20 | 浙江冠林机械有限公司 | The Lever Blocks of anti-fall off chain |
| CN110255415B (en) * | 2019-07-05 | 2020-12-08 | 江苏洋口港建设发展集团有限公司 | Chain-dropping-proof lever block |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107352347A (en) | A kind of safety device for elevator of good buffer effect | |
| CN107344690A (en) | A kind of elevator falling-proof brake device | |
| CN207078854U (en) | The safety device for elevator of good buffer effect | |
| CN207072725U (en) | Elevator falling-proof brake device | |
| US8485106B2 (en) | Stop device for rail cars and in particular for use with tracks in classification yards | |
| CN102701040B (en) | Constant brake force anti-falling catching device and constant brake force anti-falling catching method for rigid cage guide of mine | |
| CN101555912B (en) | Rotary-type self-latching safety braking device and working method thereof | |
| CN206665840U (en) | A kind of skidding pay off rack | |
| CN105109954A (en) | Double-side broken belt catching device for belt conveyor | |
| CN110901685B (en) | Anti-sliding device | |
| CN103787046B (en) | A kind of ribbon conveyer passive hydraulic fault-belt catching device | |
| CN100503397C (en) | Stack binding machine and control method thereof | |
| CN204506913U (en) | A kind of mine car brake device of inclined drift tramcar escape-preventing | |
| US2298167A (en) | Elevator safety device | |
| CN108103989B (en) | Intelligent road anti-collision height limiting frame | |
| CN207046627U (en) | A kind of Lift car type elevator speed-limiting device | |
| CN216836649U (en) | Emergency speed limiter for elevator | |
| CN212098875U (en) | Tunnel car stopping device for coal mine | |
| US5029675A (en) | Method and device for speed control of railway transport facilities | |
| CN211107369U (en) | Automatic brake device and rail transport vehicle | |
| CN102748069B (en) | Integral passive broken belt protection device and method for belt conveyor | |
| CN204643037U (en) | A kind of fault-belt catching device | |
| CN104860221A (en) | Wind sliding resistant retarding braking simulation device for crane | |
| CN215516247U (en) | Connecting structure of elevator safety tongs and overspeed protection device | |
| CN205114396U (en) | Double-side broken belt catching device for belt conveyor |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180306 Termination date: 20180829 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |