CN101717055B - Manual brake release device of disc brake - Google Patents
Manual brake release device of disc brake Download PDFInfo
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- CN101717055B CN101717055B CN2009102615989A CN200910261598A CN101717055B CN 101717055 B CN101717055 B CN 101717055B CN 2009102615989 A CN2009102615989 A CN 2009102615989A CN 200910261598 A CN200910261598 A CN 200910261598A CN 101717055 B CN101717055 B CN 101717055B
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- declutches
- brake
- brake release
- handle
- hauling rope
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Abstract
The invention discloses a manual brake release device of a disc brake, comprising a brake release handle 1, four brake release screw rods 2, magnet yokes 3 and armatures 4, four brake release screw rods 2 respectively penetrates the magnet yokes 3 and the armatures 4 on an inner brake and an outer brake, the inner ends of the brake release screw rods 2 are located in the counter bore of the armatures 4 by screw nuts, the manual brake release device is characterized in that: the manual brake release device further comprises two arc brake release bars 6, a connecting rod 7, a drag rope 8, a handle supporting point 9, two arc brake release bars 6 are respectively covered on the magnet yokes 3 of the inner brake and the outer brake, flat rotating plates 61 are arranged at two ends of the arc brake release bars 6, the flat rotating plates 61 are connected between the screw rod heads of the brake release bars 6 and the magnet yokes 3, the connecting rod 7 is connected with two arc brake release bars 6, the brake release handle 1 and the handle supporting point 9 are arranged at the top part of a machine shell, and two ends of the drag rope 8 are respectively connected with the connecting rod 7 and the brake release handle 1; the manual brake release device has the advantages that the structure is simple, the processing and assembling are easy, the device is amplified in two stage, and the brake release is easy and labor-saving.
Description
Technical field:
The invention belongs to elevator technology, relate to the device that declutches of a kind of plate disc brake on the elevator traction machine, specifically is a kind of manual brake release of plate disc brake.
Background technology:
The front end of the rotating shaft of elevator traction machine is installed the traction sheave that is wound with traction steel-cable, and the two ends of steel rope have been hung car and counterweight respectively, and the rear end of rotating shaft is equipped with two groups of drgs that structure is identical; Drg is made up of parts such as friction disc, armature, yokes; Friction disc is sleeved in the rotating shaft and can rotates synchronously with rotating shaft, and the centre hole of armature and yoke and rotating shaft are free-running fit, and yoke is fixed on the cover of towing machine through screw rod; Screw hole on the armature and screw rod are free-running fit; Be that armature can move axially on screw rod, retracing spring is housed in the yoke, retracing spring contact armature.During energising, the coil in the yoke produces magnetic force, and armature is inhaled on yoke, and armature separates with friction disc, the towing machine normal operation, and car normally moves; If when taking place to have a power failure suddenly, the coil blackout in the yoke loses magnetic force, armature is under the effect of brake application by spring power, and armature and friction disc are adjacent to combined floodgate, and the towing machine rotating shaft is tightly embraced, and rotating shaft can not be rotated, and at this moment lift car often is parked in hoistway midway.Run into this situation, elevator management or technical personnel will manually declutch, and utilize manual jiggering that the towing machine rotating shaft is slowly rotated, and lift car is descended or rises to level position, open layer door, and the personnel that are trapped in the car are saved out.
Manual brake release of the prior art, the overwhelming majority adopts the lever construction of steel ball as fulcrum, like accompanying drawing 1, Fig. 2, shown in Figure 3.This manual brake release structure is made up of the handle 06 that declutches, steel ball 05, the screw rod 01 that declutches, and handle 06 lower end of declutching is provided with surface groove with the end face that contacts of yoke 02, and yoke 02 is provided with the steel ball recess with the contact surface of the handle 06 lower end surface groove that declutches; Steel ball 05 is embedded in the steel ball recess of yoke 02; Screw rod 01 head that declutches is positioned in inner brake armature 03 counterbore, and the screw rod 01 that declutches passes the armature 03 and yoke 02 of inside and outside drg respectively, and the other end is fixed on the yoke 02 of external contractring brake with nut 04; The screw rod 01 screw thread center fixed that declutches one nut 4 is positioned in the counterbore of armature of external contractring brake; When handle 06 was declutched in rotation, steel ball 05 rotated, and what cooperate with steel ball 05 declutches handle 06 surface groove from deep to shallow; The handle plane contacts with steel ball 05 until declutching; At this moment, the distance of declutch handle 06 and yoke 02 contact surface enlarges, and to affect armature 03 to overcome yoke 02 mobile outward with the retarding spring power of 03 in armature thereby drive the screw rod 01 that declutches; Armature 03 breaks away from friction disc 07, plays the effect of declutching.Though above-mentioned manual brake release compact conformation; Volume is little; Can play the effect of declutching; But have following defective: 1, because its manual brake release is installed in the rear end of towing machine, the operator that manually declutches can not confirm to have or not and open drg owing to can't see moving of front end traction steel-cable when declutching, so the possibility of incuring loss through delay rescue is arranged; 2, because its handle that declutches is shorter, and the spring force that overcomes is bigger, so operation is relatively required great effort; 3, because the lower end of its handle that declutches is provided with surface groove and yoke is provided with the steel ball recess, so processing and assembling more complicated; 4, operator's left hand and right hand is held left and right sides handle respectively and declutched simultaneously, and right-hand man's strength is not of uniform size, and is successively variant with strength, so the poor synchronization that declutches can not guarantee that drg opens simultaneously fully.
Summary of the invention:
The technical matters that the present invention will solve is that the defective that exists to above-mentioned prior art is not enough, a kind of processing and assembling is provided easily, the easy to operate manual brake release of plate disc brake easily.This device occurs the fault that has a power failure suddenly for working as elevator, and when freeing the personnel that are trapped in the lift car, the operator can promptly and accurately accomplish safely.
Technical solution of the present invention is:
A kind of manual brake release of plate disc brake; Comprise the handle that declutches, four parts such as the screw rod that declutches, yoke and armature, described declutch screw rod wherein two from external contractring brake yoke both sides the straight horizontal radial line passes the yoke and the armature of external contractring brake, two yoke and armature that pass inner brake from the both sides straight horizontal radial line of the yoke of inner brake in addition; The head of screw rod of declutching is positioned in the armature counterbore; It is characterized in that, also comprise two cambers declutch bar, a pipe link, a hauling rope, the one handle fulcrum; Described two cambers declutch bar difference cover cap on the upside circular arc of the yoke of inside and outside two drgs; The said camber flat flap that stretch in being provided with at the two ends of bar that declutches, described flat flap is connected between the screw head and yoke of the screw rod that declutches, and described pipe link is connected the declutch arc top of bar of described two cambers; The described handle fulcrum that declutches is arranged on the top of towing machine front end casing; The described handle that declutches is connected with the described handle fulcrum that declutches, and an end of described hauling rope is connected with pipe link, and the other end of hauling rope is connected with the handle that declutches.
The process that declutches of this technical scheme of the present invention is following: as long as will declutch the handle post-tensioning; Drive hauling rope, affect pipe link by hauling rope, pipe link drives the bar hypsokinesis simultaneously of declutching of two cambers; The declutch flat flap at bar two ends of camber rotates; It is outside to spur the screw rod that declutches, and the screw rod that declutches affects armature to throw off friction disc, declutches successfully.This process clearly shows its modern design, does not simple in structurely lose scientific and reasonablely again, operates free and relaxed.
After adopting above structure; Compared with prior art, the present invention has the following advantages: the flat flap of stretching in bar and camber declutch that the two ends of bar are provided with because the camber of setting of the present invention declutches has replaced surface groove and the steel ball recess and the steel ball on the yoke of the handle, at its lower end that declutches of prior art, and is therefore simple in structure; Handling ease; Basically do not involve the inner structure of drg, thereby assemble up very conveniently yet, and realized two groups of synchronisms that drg is opened; Simultaneously; Handle is installed in the front end casing top of towing machine owing to will declutch, and amplifies through the declutch secondary of bar and hauling rope of camber, thus when declutching very easily and laborsaving; Operate also very convenient; And the operator can in time confirm manually to declutch to have or not to open drg, and to because of the fault that has a power failure appears suddenly in elevator, the personnel that can will be trapped in time, safely in the lift car free.
Perfect as further, on the described handle fulcrum that declutches the hauling rope rotating disk is set, the other end of described hauling rope is fixed on the hauling rope rotating disk, and the described handle that declutches is connected on the hauling rope rotating disk.This structure makes that the process of declutching is more easily laborsaving, safety.
As improvement, the described handle that declutches is set to detachable connection with being connected of hauling rope rotating disk.Detachable bonded assembly advantage is, the handle that declutches at ordinary times is not installed on the device that declutches, and can avoid maloperation, and in the time of need declutching, the handle that will declutch again installs, moreover, detachable connection, the vanning transportation of convenient whole towing machine.
As further improving, described detachable being connected to is threaded.
As another improvement, described two cambers declutch and connect a montant on the bar arc top, and described pipe link is connected with montant.This improvement can be made the camber bar that declutches slightly smaller, thus saving in material, cost-cutting.
Description of drawings:
Fig. 1 looks scheme drawing for the plate disc brake of the prior art apparatus structure master that declutches;
Fig. 2 looks scheme drawing for the plate disc brake of the prior art apparatus structure left side of declutching;
Fig. 3 is Figure 1A portion enlarged diagram;
Fig. 4 looks scheme drawing for the plate disc brake of the present invention apparatus structure master that declutches;
Fig. 5 looks scheme drawing for the plate disc brake of the present invention apparatus structure left side of declutching;
Fig. 6 is the plate disc brake of the present invention device running condition reference view that declutches that declutches.
Being labeled as among Fig. 1, Fig. 2 and Fig. 3: 01, the screw rod that declutches, 02, yoke, 03, armature, 04, nut, 05, steel ball, 06, the handle that declutches, 07, friction disc;
Being labeled as among Fig. 4, Fig. 5, Fig. 6: 1, the handle that declutches, 2, the screw rod that declutches, 3, yoke, 4, armature, 5, friction disc, 6, the camber bar that declutches, 61, flat flap, 62, montant, 7, pipe link, 8, hauling rope, 9, the handle fulcrum, 10, the hauling rope rotating disk.
The specific embodiment:
Below in conjunction with the accompanying drawing and the specific embodiment the present invention is described further:
Fig. 4, Fig. 5, shown in Figure 6; The structure of the manual brake release of plate disc brake of the present invention is: four wherein two yokes 3 and armature 4 that the straight horizontal radial line from external contractring brake yoke 3 both sides passes external contractring brake of screw rod 2 that declutch; Other two straight horizontal radial lines from the both sides of the yoke 3 of inner brake pass the yokes 3 and armature 4 of inner brake, and the head of the every screw rod 2 that declutches is positioned in armature 4 counterbores.Two cambers declutch bar 6 difference cover caps on the upside circular arc of the yoke 3 of inside and outside two drgs; The camber flat flap 61 that stretch in being provided with at the two ends of bar 6 that declutches; Flat flap 61 is placed between the screw head and yoke 3 of the screw rod 6 that declutches; The two ends of pipe link 7 are connected to the declutch arc top of bar 6 of two cambers; Handle fulcrum 9 is the top that a fixing connection steel plate is arranged on towing machine front end casing, and the handle 1 that declutches is connected with handle fulcrum 9, and an end of hauling rope 8 is connected with pipe link 7; The other end of hauling rope 8 is connected with the handle 1 that declutches, at handle fulcrum 9 and declutch and be provided with the handle that declutches declutch locating dowel pin or location buckle (not shown) between the handle.
Perfect as further, on the described handle fulcrum 9 hauling rope rotating disk 10 is set, the other end of described hauling rope 8 is fixed on the hauling rope rotating disk 10, and the described handle 1 that declutches is connected on the hauling rope rotating disk 10.Above-mentioned declutch locating dowel pin or location buckle are arranged on the handle fulcrum 9 and are provided with between the hauling rope rotating disk 10.This structure makes that the process of declutching is more easily laborsaving, safety.
As improvement, the described handle 1 that declutches is set to detachable connection with being connected of hauling rope rotating disk 10.Detachable bonded assembly advantage is, the handle 1 that declutches at ordinary times is not installed on the device that declutches, and can avoid maloperation, and in the time of need declutching, the handle 1 that will declutch again installs.Moreover, detachable connection, the vanning transportation of convenient whole towing machine.
As further improving, described detachable being connected to is threaded.
As another improvement, described two cambers declutch and connect a montant 62 on the bar 6 arc tops, and described pipe link 7 is connected with montant 62.This improvement can be made the camber bar 6 that declutches slightly smaller, thus saving in material, cost-cutting.
The process that declutches is following: as long as will declutch handle 1 post-tensioning, drive hauling rope 8, affect pipe link 7 by steel rope 8; Pipe link 7 drives cambers bar 6 hypsokinesis of declutching, and the declutch flat flap 61 at bar 6 two ends of camber rotates, and the upper limb of promptly flat flap 61 holds out against at yoke 3 outside faces; The lower rim of flat flap 61 withstands on the nut of the screw rod 2 that declutches; Screw rod 2 is outside thereby pulling is declutched, and the screw rod 2 that declutches affects armature 4 to throw off friction disc 5, declutches successfully.After being buckled in and declutching, employing locating dowel pin or locator card can make the handle location of declutching.
Claims (5)
1. the manual brake release of a plate disc brake; Comprise the handle that declutches (1), four screw rods that declutch (2), yoke (3) and armature (4); The described screw rod that declutches (2) is two yokes (3) and armature (4) of passing external contractring brake from external contractring brake yoke (3) two side straight horizontal radial lines wherein; The straight horizontal radial line of two sides of two yokes from inner brake (3) passes the yoke (3) and armature (4) of inner brake in addition; The head of screw rod (2) of declutching is positioned in armature (4) counterbore, it is characterized in that: also comprise two cambers declutch bar (6), a pipe link (7), a hauling rope (8), one handle fulcrum (9); Described two cambers declutch bar (6) difference cover cap on the upside circular arc of the yoke (3) of inside and outside two drgs; The said camber flat flap (61) that stretch in being provided with at the two ends of bar (6) that declutches, described flat flap (61) is connected between the screw head and yoke (3) of the screw rod that declutches (2), and described pipe link (7) is connected the declutch arc top of bar (6) of described two cambers; Described handle fulcrum (9) is arranged on the top of towing machine front end casing; The described handle that declutches (1) is connected with described handle fulcrum (9), and an end of described hauling rope (8) is connected with pipe link (7), and the other end of hauling rope (8) is connected with the handle that declutches (1).
2. the manual brake release of plate disc brake as claimed in claim 1; It is characterized in that: hauling rope rotating disk (10) is set on the described handle fulcrum (9); The other end of described hauling rope (8) is fixed on the hauling rope rotating disk (10), and the described handle that declutches (1) is connected on the hauling rope rotating disk (10).
3. the manual brake release of plate disc brake as claimed in claim 2, it is characterized in that: the described handle that declutches (1) is set to detachable connection with being connected of hauling rope rotating disk (10).
4. the manual brake release of plate disc brake as claimed in claim 3, it is characterized in that: described detachable being connected to is threaded.
5. the manual brake release of plate disc brake as claimed in claim 1 is characterized in that: described two cambers declutch and connect a montant (62) on bar (6) the arc top, and described pipe link (7) is connected with described montant (62).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009102615989A CN101717055B (en) | 2009-12-18 | 2009-12-18 | Manual brake release device of disc brake |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009102615989A CN101717055B (en) | 2009-12-18 | 2009-12-18 | Manual brake release device of disc brake |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101717055A CN101717055A (en) | 2010-06-02 |
| CN101717055B true CN101717055B (en) | 2012-05-23 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009102615989A Active CN101717055B (en) | 2009-12-18 | 2009-12-18 | Manual brake release device of disc brake |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101717055B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101857178A (en) * | 2010-06-12 | 2010-10-13 | 石家庄五龙制动器有限公司 | Plate-type hub brake |
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2009
- 2009-12-18 CN CN2009102615989A patent/CN101717055B/en active Active
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| Publication number | Publication date |
|---|---|
| CN101717055A (en) | 2010-06-02 |
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Address after: 315731 Zhejiang city of Ningbo province Xiangshan County Shipu Science Park Keyuan Road No. 1 Patentee after: Ningbo Shen Ling mechanical and electrical Polytron Technologies Inc Address before: Nanping Road Stone Town 315731 Zhejiang County of Xiangshan province No. 195 Patentee before: Ningbo Shenling Lift Accessories Co., Ltd. |
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| CP03 | Change of name, title or address |