CN104495677A - Brake unit of elevator - Google Patents
Brake unit of elevator Download PDFInfo
- Publication number
- CN104495677A CN104495677A CN201410830332.2A CN201410830332A CN104495677A CN 104495677 A CN104495677 A CN 104495677A CN 201410830332 A CN201410830332 A CN 201410830332A CN 104495677 A CN104495677 A CN 104495677A
- Authority
- CN
- China
- Prior art keywords
- gear
- guide rail
- elevator
- connecting rod
- tooth
- 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
- B66B5/26—Positively-acting devices, e.g. latches, knives
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Types And Forms Of Lifts (AREA)
Abstract
The invention relates to the field of elevators, in particular to a brake unit for an elevator and discloses a brake unit of an elevator. The brake unit of the elevator comprises a bracket fixedly connected with a lift car and a guide rail arranged along an elevator well. The brake unit of the elevator is characterized in that a triggering unit is mounted on the bracket; a roller wheel and a first gear are mounted on the bracket through a support shaft in a manner of freely rotating; the guide rail is arranged between the first gear and the roller wheel; the first gear is meshed with the toothed surface of the guide rail; the roller wheel is in rolling fit with the smooth surface of the guide rail; second gears revolve around the first gear through a connection rod, and the second gears and the first gear are meshed with each other; the two second gears are respectively arranged on the upper side and the lower side of the first gear; a triggering hole in splicing fit with the triggering end of the triggering unit is formed in the connection rod. When the triggering end is withdrawn from the triggering hole, the second gears are meshed with the guide rail by means of the elastic action of an elasticity restoring part; the freedom degree of the mechanism is 0 at the moment, so that the elevator cannot run up and down, namely the brake of the elevator under a failure state can be implemented.
Description
Technical field
The present invention relates to elevators field, particular but not exclusively relate to a kind of brake unit of elevator.
Background technology
When elevator meets accident in some cases, elevator sharply can drop or is promoted, and damages to the people taking elevator.Particularly when rescue worker to the elevator being stuck in floor gap carry out personnel withdraw time, elevator can fall because of accident or is promoted, because tenesmus or the car risen and static body of wall can produce to the object be between the two the effect cut, and some position of the health of evacuating people is cut by the car dropped.How to avoid elevator accidental falling or lifting, and then reduce injury to personnel or injures and deaths and become the problem that people need solve.
Summary of the invention
The object of the invention is to solve the problem, and a kind of brake unit of elevator is provided.
For this reason, the invention provides a kind of brake unit of elevator, it comprises the support be fastenedly connected with car, first gear, second gear, guide rail, roller, trigger element, connecting rod, elasticity restoring piece, pivot shaft, trigger element is installed on support, by pivot shaft, roller is installed on support rotatably, by pivot shaft, the first gear is installed on support rotatably, guide rail is arranged between the first gear and roller, first gear is meshed with the flank of tooth of guide rail, roller rolls with the light face of guide rail and coordinates, by connecting rod, the second gear is revolved round the sun around the axis of the first gear, second gear freely rotates relative to connecting rod simultaneously, the both sides up and down of the first gear arrange second gear, second gear and the first gear engage each other, connecting rod is provided with the triggering hole coordinated with the trigger end of trigger element, trigger end coordinates with triggering hole plug-in type.
Particularly, when trigger end inserts triggering hole, be positioned at below the first gear the second gear be maintained at the first gear below and on position away from the flank of tooth of guide rail, be positioned at above the first gear the second gear be maintained at the first gear top and on position away from the flank of tooth of guide rail, that is, trigger end make the second gear not with the face of guide rail; When trigger end withdraw from trigger hole time, the elastic force effect by elasticity restoring piece makes the second gear on connecting rod near the flank of tooth of guide rail, and makes the face of the second gear and guide rail and engage.
Particularly, when the second gear be positioned at below the first gear is not got involved, the second gear and the first gears meshing rotate, and the first gear and guide rail engage each other rotation, when being positioned at the second gear below the first gear and getting involved, the tooth of the second gear and the tooth of guide rail are mutual to top because of respective sense of motion, again because of the roller position-limiting action in rail back (light face), the application force avoided because producing when the second gear is got involved makes guide rail be out of shape, therefore the first gear can be made, second gear and guide rail three are closely interlocked mutually, due to the second gear and guide rail to top act on prevent the first gear and the second gear engage each other rotation, thus the first gear is stopped operating, namely the first gear also stops the engagement rotation with guide rail, thus prevent the tenesmus of elevator.
Particularly, when the second gear be positioned at above the first gear is not got involved, the second gear and the first gears meshing rotate, and the first gear and guide rail engage each other rotation, when being positioned at the second gear above the first gear and getting involved, the tooth of the second gear and the tooth of guide rail are mutual to top because of respective sense of motion, again because of the roller position-limiting action in rail back (light face), the application force avoided because producing when the second gear is got involved makes guide rail be out of shape, therefore the first gear can be made, second gear and guide rail three are closely interlocked mutually, due to the second gear and guide rail to top act on prevent the first gear and the second gear engage each other rotation, thus the first gear is stopped operating, namely the first gear also stops the engagement rotation with guide rail, thus prevent the lifting of elevator.
Beneficial effect
When elevator normally runs, by on the position that trigger element makes the second gear be maintained at away from the flank of tooth of guide rail, first gear is meshed with the flank of tooth of guide rail, first pinion rotation, and then drive the second pinion rotation, roller rolls along the light face of guide rail, and the degree of freedom of the mechanism be made up of the first gear, the second gear, connecting rod, guide rail, roller is 1, so elevator can normally run up and down; When there is unforeseen circumstances in elevator, trigger element is triggered, trigger end is withdrawn from from the triggering hole of connecting rod, elastic force effect by elasticity restoring piece makes the second gear on connecting rod near the flank of tooth of guide rail, and make the face of the second gear and guide rail and engage, now, the first gear, guide rail and the second gear three engage each other, the degree of freedom of the mechanism be made up of the first gear, the second gear, connecting rod, guide rail, roller is 0, so elevator can not run up and down.Particularly, because the second gear is positioned at the below of the first gear, elevator has the trend run downwards, the first gear certainly will be made downwards to engage along guide rail, and the second gear be positioned at below the first gear certainly will provide the rotation that a rightabout application force stops the first gear.In like manner, because the second gear is positioned at the top of the first gear, elevator has the trend upwards run, and the first gear certainly will be made upwards to engage along guide rail, and the second gear be positioned at above the first gear certainly will provide the rotation that a rightabout application force stops the first gear.Therefore, the braking procedure of elevator is, trigger end triggers, and the elastic force of elasticity restoring piece makes the first gear, the second gear and guide rail form meshing relation keep such meshing relation between two between two, and such meshing relation prevents falling of elevator or promotes.
Adopt gears meshing to make the degree of freedom of mechanism be 0, be different from and adopt circle wheel to make degree of freedom be 0, circle wheel easily skids between the flank of tooth of the first gear and track, and then causes elevator to drop or promote; And use gears meshing, the first gear, the second gear can be made, this three of track is interlocked mutually securely, stopped elevator nonserviceable under tenesmus or lifting.
Accompanying drawing explanation
Reference accompanying drawing is in the explanation of the embodiment provided as non-limiting example below, and the present invention and preceence thereof will be better understood, and accompanying drawing is as follows:
Fig. 1 and Figure 12 is the block diagram of brake unit disclosed by the invention;
Fig. 2 is the block diagram after being removed by the support of the side in Fig. 1;
Fig. 3 is the front elevation of Fig. 1;
Fig. 4 is the front elevation of Fig. 2;
Fig. 5 is the schematic diagram that the second gear in Fig. 4 is about to get involved;
Fig. 6-7 are connecting rods with trigger element connect schematic diagram;
Fig. 8 is the block diagram of support;
Fig. 9 is the block diagram of connecting rod;
Figure 10 is the part sectional view of connecting rod in Fig. 9;
Figure 11 is the three-dimensional exploded view of the brake unit in Fig. 1;
Figure 13-14 is block diagrams of trigger element;
Description of reference numerals
1. the first gear; 2. guide rail; 3. roller; 4. the second gear; 5. pivot shaft; 6. support; 7. connecting rod; 8. spring; 9. trigger element; 10. sleeve; 601. through hole; 602. tapped bore; 701. trigger hole; 901. trigger end.
Detailed description of the invention
Embodiment one
As Fig. 1, Fig. 2, shown in Figure 11 and Figure 12, the brake unit of elevator disclosed by the invention, it comprises the support 6 be fastenedly connected with car, first gear 1, second gear 4, guide rail 2, roller 3, trigger element 9, connecting rod 7, spring 8, pivot shaft 5, nut, packing ring, spring cotter and sleeve 10, trigger element 9 is installed on support 6 by screw, by pivot shaft 5, roller 3 is installed between two supports 6 rotatably, by pivot shaft 5, first gear 1 is installed between two supports 6 rotatably, guide rail 2 is arranged between the first gear 1 and roller 3, first gear 1 is meshed with the flank of tooth of guide rail 2, roller 3 rolls with 2 light faces of guide rail and coordinates, by connecting rod 7, second gear 4 is revolved round the sun around the axis of the first gear 1, second gear 4 freely rotates relative to connecting rod 7 simultaneously, the both sides up and down of the first gear 1 arrange second gear 4, second gear 4 and the first gear 1 engage each other, connecting rod 7 is provided with the triggering hole 701 coordinated with the trigger end 901 of trigger element 9, trigger end 901 coordinates with triggering hole 701 plug-in type, the position of the second gear 4 is adjusted by sleeve 10, make the second gear 4 and the first gear 1 respective median plane alignment, by nut and packing ring, the support 6 being positioned at the first gear 1 both sides is connected, being cut by opening prevents nut loosening from dropping again.
As shown in Figure 3 and Figure 4, when trigger end 901 inserts triggering hole 701, the second gear 4 on connecting rod 7 is maintained at current location, the second gear 4 be positioned at below the first gear 1 be maintained at the first gear 1 below and on position away from the flank of tooth of guide rail 2, the second gear 4 be positioned at above the first gear 1 be maintained at the first gear 1 top and on position away from the flank of tooth of guide rail 2, that is, trigger end 901 make the second gear 4 not with the face of guide rail 2, now, spring 8 is in extended state.
As shown in Figure 6, the trigger end 901 of trigger element 9 inserts in the triggering hole 701 of connecting rod 7, and connecting rod 7 is limited in current location, that is, straight up, the connecting rod 7 on the downside of support 6 straight down for the connecting rod 7 on the upside of support 6.
As shown in Figure 7, the trigger end 901 of trigger element 9 withdraws from the triggering hole 701 of connecting rod 7, and the elastic force effect by spring 8 makes the second gear 4 on connecting rod 7 near the flank of tooth of guide rail 2, and makes the face of the second gear 4 and guide rail 2 and engage, as shown in Figure 5.
As shown in Figure 8, support 6 is provided with the through hole 601 with pivot shaft 5 free-running fit, is also provided with the tapped bore 602 installing trigger element 9.
As shown in Figure 9 and Figure 10, the head and the tail two ends of connecting rod 7 are provided with the through hole 601 with pivot shaft 5 free-running fit, the side of connecting rod 7 is provided with the triggering hole 701 coordinated with trigger end 901 plug-in type of trigger element 9, triggering hole 701 is blind hole, blind hole and trigger end 901 free-running fit, and the port of blind hole 701 is provided with chamfering, is convenient to trigger end 901 and inserts.
As shown in Figure 13 and Figure 14, the front end of trigger element 9 is provided with telescopic trigger end 901, controls the flexible of trigger end 901 by magnet coil.When energizing signal applies with trigger element 9, trigger end 901 is retracted.
When being positioned at the second gear 4 below the first gear 1 and not getting involved, the second gear 4 and the first gear 1 engagement rotation, the first gear 1 engages each other rotation with guide rail 2, and elevator can normally run up and down, when being positioned at the second gear 4 below the first gear 1 and getting involved, the tooth of the second gear 4 and the tooth of guide rail 2 are mutual to top because of respective sense of motion, again because of roller 3 position-limiting action in guide rail 2 back side (light face), the application force avoided because producing when the second gear 4 is got involved makes guide rail 2 be out of shape, therefore the first gear 1 can be made, second gear 4 and guide rail 2 three are closely interlocked mutually, due to the second gear 4 and guide rail 2 to top act on prevent the first gear 1 and the second gear 4 engage each other rotation, thus the first gear 1 is stopped operating, namely the first gear 1 also stops the engagement rotation with guide rail 2, thus the tenesmus under preventing elevator to nonserviceable.
When being positioned at the second gear 4 above the first gear 1 and not getting involved, the second gear 4 and the first gear 1 engagement rotation, the first gear 1 engages each other rotation with guide rail 2, and elevator can normally run up and down, when being positioned at the second gear 4 above the first gear 1 and getting involved, the tooth of the second gear 4 and the tooth of guide rail 2 are mutual to top because of respective sense of motion, again because of roller 3 position-limiting action in guide rail 2 back side (light face), the application force avoided because producing when the second gear 4 is got involved makes guide rail be out of shape, therefore the first gear 1 can be made, second gear 4 and guide rail 2 three are closely interlocked mutually, due to the second gear 4 and guide rail 2 to top act on prevent the first gear 1 and the second gear 4 engage each other rotation, thus the first gear 1 is stopped operating, namely the first gear 1 also stops the engagement rotation with guide rail 2, thus the lifting under preventing elevator to nonserviceable.
Because the trigger end 901 of trigger element 9 is synchronization actions, so when trigger end 901 withdraws from the triggering hole 701 of connecting rod 7 simultaneously, the second gear 4 being positioned at the first gear 1 both sides can be got involved simultaneously, elevator is made to rest on current location, namely elevator can not drop and can not promote, and ensure that the safe escape of personnel.
Claims (2)
1. the brake unit of an elevator, it comprises the support (6) be fastenedly connected with car, the guide rail (2) arranged along elevator, it is characterized in that, the brake unit of described elevator also comprises the first gear (1), the second gear (4), roller (3), trigger element (9), connecting rod (7), elasticity restoring piece (8), pivot shaft (5), trigger element (9) is installed on support (6), by pivot shaft (5), roller (3) is installed on support (6) rotatably, by pivot shaft (5), the first gear (1) is installed on support (6) rotatably, guide rail (2) is arranged between the first gear (1) and roller (3), first gear (1) is meshed with the flank of tooth of guide rail (2), roller (3) rolls with the light face of guide rail (2) and coordinates, the axis second tooth (4) being taken turns around the first gear (1) by connecting rod (7) revolves round the sun, second gear (4) freely rotates relative to connecting rod (7) simultaneously, the both sides up and down of the first gear (1) respectively arrange second gear (4), second gear (4) and the first gear (1) engage each other, connecting rod (7) is provided with the triggering hole (701) coordinated with the trigger end of trigger element (9) (901), trigger end (901) coordinates with triggering hole (701) plug-in type.
2. the brake unit of a kind of elevator according to claim 1, when it is characterized in that described trigger end (901) inserts triggering hole (701), the second gear (4) being positioned at the first gear (1) below be maintained at the first gear (1) below and on position away from the flank of tooth of guide rail (2), the second gear (4) being positioned at the first gear (1) top be maintained at the first gear (1) top and on position away from the flank of tooth of guide rail (2), that is, trigger end (901) make the second gear (4) not with the face of guide rail (2); When trigger end (901) withdraw from trigger hole (701) time, the elastic force effect by elasticity restoring piece (8) makes the second gear (4) on connecting rod (7) near the flank of tooth of guide rail (2), and makes the face of the second gear (4) and guide rail (2) and engage.
Priority Applications (6)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410830332.2A CN104495677B (en) | 2014-12-29 | 2014-12-29 | The brake unit of elevator |
| AU2015100517A AU2015100517A4 (en) | 2014-12-29 | 2015-04-19 | Design method for braking unit for elevator |
| AU2015100516A AU2015100516A4 (en) | 2014-12-29 | 2015-04-19 | Braking unit for elevator |
| IES20150314A IES86744B2 (en) | 2014-12-29 | 2015-09-10 | Braking unit for elevator |
| IE20150339A IE86850B1 (en) | 2014-12-29 | 2015-09-10 | Braking unit for elevator |
| GB1522981.8A GB2536993B (en) | 2014-12-29 | 2015-12-29 | Braking unit for elevator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410830332.2A CN104495677B (en) | 2014-12-29 | 2014-12-29 | The brake unit of elevator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104495677A true CN104495677A (en) | 2015-04-08 |
| CN104495677B CN104495677B (en) | 2016-08-10 |
Family
ID=52937159
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410830332.2A Active CN104495677B (en) | 2014-12-29 | 2014-12-29 | The brake unit of elevator |
Country Status (4)
| Country | Link |
|---|---|
| CN (1) | CN104495677B (en) |
| AU (2) | AU2015100517A4 (en) |
| GB (1) | GB2536993B (en) |
| IE (2) | IES86744B2 (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB191206700A (en) * | 1911-03-18 | 1912-10-31 | Gerrit Von Daam | Improvements in Mine-carriage and Elevator Automatic Safety Brakes. |
| GB277703A (en) * | 1926-09-18 | 1928-06-07 | Franciszek Janotta | Improvements in or relating to safety suspension devices for lifts or elevators |
| CN202575623U (en) * | 2011-12-13 | 2012-12-05 | 刘姚成 | Active falling protector |
| CN102892701A (en) * | 2010-05-28 | 2013-01-23 | 因温特奥股份公司 | Elevator with roller-pinion drive |
| CN202829197U (en) * | 2012-08-28 | 2013-03-27 | 李文嫄 | Anti-falling protection device of lifting type elevator |
| CN204342345U (en) * | 2014-12-29 | 2015-05-20 | 厦门艾卓工业设计有限公司 | The brake unit of elevator |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005042842A (en) * | 2003-07-23 | 2005-02-17 | Mitsubishi Electric Corp | Braking device |
| CN100487272C (en) * | 2003-07-26 | 2009-05-13 | 薛南庆 | Cylindrical gear two stage composite planet self locking speed reducer drive gear |
| CN103159108A (en) * | 2011-12-13 | 2013-06-19 | 刘姚成 | Active type falling protector |
-
2014
- 2014-12-29 CN CN201410830332.2A patent/CN104495677B/en active Active
-
2015
- 2015-04-19 AU AU2015100517A patent/AU2015100517A4/en not_active Ceased
- 2015-04-19 AU AU2015100516A patent/AU2015100516A4/en not_active Ceased
- 2015-09-10 IE IES20150314A patent/IES86744B2/en not_active IP Right Cessation
- 2015-09-10 IE IE20150339A patent/IE86850B1/en unknown
- 2015-12-29 GB GB1522981.8A patent/GB2536993B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB191206700A (en) * | 1911-03-18 | 1912-10-31 | Gerrit Von Daam | Improvements in Mine-carriage and Elevator Automatic Safety Brakes. |
| GB277703A (en) * | 1926-09-18 | 1928-06-07 | Franciszek Janotta | Improvements in or relating to safety suspension devices for lifts or elevators |
| CN102892701A (en) * | 2010-05-28 | 2013-01-23 | 因温特奥股份公司 | Elevator with roller-pinion drive |
| CN202575623U (en) * | 2011-12-13 | 2012-12-05 | 刘姚成 | Active falling protector |
| CN202829197U (en) * | 2012-08-28 | 2013-03-27 | 李文嫄 | Anti-falling protection device of lifting type elevator |
| CN204342345U (en) * | 2014-12-29 | 2015-05-20 | 厦门艾卓工业设计有限公司 | The brake unit of elevator |
Also Published As
| Publication number | Publication date |
|---|---|
| GB2536993A (en) | 2016-10-05 |
| CN104495677B (en) | 2016-08-10 |
| GB201522981D0 (en) | 2016-02-10 |
| AU2015100516A4 (en) | 2015-05-21 |
| IE86850B1 (en) | 2017-12-13 |
| AU2015100517A4 (en) | 2015-05-21 |
| IES20150314A2 (en) | 2016-06-29 |
| IES86744B2 (en) | 2016-11-16 |
| IE20150339A1 (en) | 2016-06-29 |
| GB2536993B (en) | 2017-08-30 |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20201126 Address after: 414400 100m northwest of the intersection of Longzhou North Road and Longzhou South Road, Miluo City, Yueyang City, Hunan Province Patentee after: Science and technology innovation service center of Hunan Miluo circular economy industrial park Address before: 361021, room 55, 2408 waterfront, Jimei Road, Jimei District, Fujian, Xiamen Patentee before: Gong Zhu |
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| TR01 | Transfer of patent right |