CN101481066B - Mechanical braking device and method for abnormal operation of elevator - Google Patents
Mechanical braking device and method for abnormal operation of elevator Download PDFInfo
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- CN101481066B CN101481066B CN2008102201349A CN200810220134A CN101481066B CN 101481066 B CN101481066 B CN 101481066B CN 2008102201349 A CN2008102201349 A CN 2008102201349A CN 200810220134 A CN200810220134 A CN 200810220134A CN 101481066 B CN101481066 B CN 101481066B
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Abstract
The invention discloses a mechanical braking device for the abnormal operation of an elevator and a method thereof. The mechanical braking device comprises a braking device which is arranged on the top of an elevator cage and a limiting mechanism which is arranged above an outside elevator door, the braking device is connected with a driving mechanism, and a braking rod arranged in the braking device is driven to be embedded into the limiting mechanism by the driving mechanism to realize mechanical braking. The braking method comprises the steps as follows: when the elevator runs in a flat layer position, an opening motor is started to open a cage door, meanwhile, the braking device is driven by a driving mechanism to lead the baking rod arranged in the baking device to be embedded into the limiting mechanism arranged above the outside elevator door to limit the abnormal start or the operation of the elevator. The invention can effectively prevent the abnormal operation of the elevator, and the elevator can be ensured to safely and reliably brake under a door opening state of the elevator, thereby ensuring personnel safety.
Description
Technical field
The present invention relates to the elevator control technology field, mechanical brake device and method when abnormal running appears in particularly a kind of elevator.
Background technology
At present, when elevator opened the door at flat bed, control system detected enabling signal, will cut off the band-type brake power supply, will hold elevator main tightly during brake-contracting cut-off, thus the braking elevator.But, may there be following potential safety hazard in this process:
(1) when the inefficacy of elevator enabling signal, or because improper operation, during the short circuit enabling signal, elevator might move under the situation of opening the door, if this moment, the passenger passed in and out elevator, will damage passenger's personal safety;
(2) longer owing to time of run when the elevator band-type brake, during the brake rubber block serious wear, band-type brake can't effectively be braked elevator, may cause elevator to move under flat bed opens the door situation, if having the passenger to pass in and out elevator this moment, might threaten to passenger's personal safety.
Summary of the invention
In order to overcome shortcoming of the prior art, the object of the present invention is to provide and a kind ofly can limit the open the door mechanical brake device of abnormal running of elevator, guarantee elevator safety, failure-free braking.
The technical solution adopted in the present invention: a kind of mechanical brake device of abnormal operation of elevator, comprise the brake equipment that is arranged on elevator car roof, and the stop gear that is arranged on elevator door top, the outside, described brake equipment is connected with transmission device, and the brake rod that drives in the brake equipment by transmission device embeds stop gear, the realization mechanical braking.
Above-mentioned brake equipment comprises transmission gear, and with the belt pulley of the coaxial interlock of this transmission gear, the screw thread of described transmission gear and the screw thread on the brake rod are meshing with each other, and are used to drive brake rod fore and aft motion vertically.
Above-mentioned brake equipment comprises the driving gear set that is meshing with each other and is formed by transverse gear and vertical gear, wherein said vertical gear and the coaxial interlock of belt pulley, and described transverse gear is connected with brake rod by rotating shaft, is used to drive brake rod and rotatablely moves along rotating shaft.
The belt pulley of above-mentioned brake equipment is by the drive belt and the motor linkage that opens the door.The transmission gear of described brake equipment is connected with an end of mechanical drive arm by push rod, and the other end of described mechanical drive arm is connected with elevator cab door, is used to drive the interior brake rod of brake equipment fore and aft motion vertically.The driving gear set of described brake equipment is connected with an end of mechanical drive arm by push rod, and the other end of described mechanical drive arm is connected with elevator cab door, and the brake rod that is used to drive in the brake equipment rotatablely moves along rotating shaft.
Above-mentioned brake equipment comprises braking motor, and the driven wheel of described braking motor and brake rod interlock are used to drive brake rod and do to stretch or rotatablely move.
Above-mentioned stop gear is the U sections that is fixed on elevator door top, the outside.Described U sections adopts the mode of horizontal welding or vertical welding to be fixed on the top of elevator door.
The present invention provides a kind of mechanical braking method of abnormal operation of elevator simultaneously, when elevator moves to level position, start the motor that opens the door and open car door, drive brake equipment by transmission device simultaneously, make the stop gear of the elevator door top, the brake rod embedding outside in the brake equipment, the unusual startup or the operation of restriction elevator.
Above-mentioned brake equipment is to be driven by the motor-driven transmission device that opens the door, or is driven by the control signal control brake motor of the motor that opens the door, and also or by the mechanical drive arm and the push rod that are installed on the car door drives.
Brake rod in the above-mentioned brake equipment embeds the stop gear of elevator door top by stretch mode or rotation mode.
The present invention has following advantage and beneficial effect with respect to prior art:
(1) prevents to cause elevator under the situation of opening the door, to move because of maloperation;
(2) prevent elevator and can't brake elevator effectively because of the band-type brake wearing and tearing;
(3) this device is the mechanical device with the elevator cab door switch gearing, has avoided the fugitiveness of electric apparatus;
(4) effect that realizes of this device be elevator under door opening state, guarantee that elevator safety brakes reliably, thereby guarantee personal safety.
Description of drawings
Fig. 1 is the structural representation of abnormal operation of elevator mechanical brake device of the present invention;
Fig. 2 is the scheme of installation of the embodiment one of abnormal operation of elevator mechanical brake device of the present invention;
Fig. 3 is the cut-away view (flexible physical construction) of brake equipment described in the embodiment of the invention one;
Fig. 4 is the scheme of installation of the embodiment two of abnormal operation of elevator mechanical brake device of the present invention;
Fig. 5 is the cut-away view (rotating machinery structure) of brake equipment described in the embodiment of the invention two;
Fig. 6 is the plan structure figure (rotating machinery structure) of brake equipment described in the embodiment of the invention two;
Fig. 7 is the scheme of installation of the embodiment three of abnormal operation of elevator mechanical brake device of the present invention;
Fig. 8 is the scheme of installation of the embodiment four of abnormal operation of elevator mechanical brake device of the present invention;
Fig. 9 is the cut-away view of dynamic braking device described in the embodiment of the invention four;
Figure 10 is the motor of dynamic braking device described in the embodiment of the invention four and the assembly structure figure of brake rod.
The specific embodiment
As shown in Figure 1, the mechanical brake device of abnormal operation of elevator of the present invention comprises the brake equipment 10 that is arranged on lift car 40 tops, and the stop gear that is arranged on elevator door top, the outside.In the present invention, stop gear adopts U sections 20, is fixedly mounted on door 62 top of elevator door 60, and the lower edge side of elevator door places in the sill 61.Described brake equipment 10 is connected with transmission device, and the brake rod that drives in the brake equipment by transmission device embeds stop gear, the realization mechanical braking.Described brake equipment 10 can be a stretching structure, also can be the rotational structure mode; U sections 20 need adopt different installation methods according to the difference of brake equipment 10.When elevator moves to level position, start the motor that opens the door and open car door, drive brake equipment 10 by transmission device simultaneously, make the stop gear of the elevator door top, the brake rod embedding outside in the brake equipment, the unusual startup or the operation of restriction elevator.
Below in conjunction with accompanying drawing concrete structure of the present invention is further described.
Embodiment one:
See also Fig. 1 to Fig. 3, the mechanical brake device of the described abnormal operation of elevator of present embodiment, the transmission device that comprises cover brake equipment 10, a U sections 20 (as stop gear), forms by open the door motor 30 and drive belt 31.Wherein, the inner structure of described brake equipment 10 comprises rotating shaft 11, belt pulley 12, and with the transmission gear 13 of these belt pulley 12 coaxial interlocks, the screw thread 15 on the screw thread of transmission gear 13 and the brake rod 14 is meshing with each other, and is used to drive brake rod 14 fore and aft motion vertically.In the present embodiment, U sections 20 adopts the mode of vertical (Open Side Down) welding to be fixed on the top of elevator door.
Shown in Fig. 2,3, this abnormal operation of elevator brake equipment is fixed on car 40 tops of elevator by screw or welding manner, need install a belt pulley additional in the rotating shaft of the motor 30 that opens the door of car door simultaneously, the belt pulley of the motor 30 that opens the door links to each other by drive belt 31 with belt pulley 12 on the brake equipment 10.When the elevator operation arrived level position, the motor 30 that opens the door rotated, thereby the belt pulley that drives in the rotating shaft rotates, and the belt pulley 12 that drives in the brake equipment 10 by the drive belt 31 that links to each other rotates.Because belt pulley 12 is fixed in the same rotating shaft 11 with transmission gear 13 (cylindrical gear), when belt pulley 12 rotates, drives transmission gear 13 in the lump by rotating shaft 11 and rotate.The screw thread 15 at the screw thread of transmission gear 13 and brake rod 14 rear portions closely cooperates, so transmission gear 13 drives brake rod 14 by screw thread and makes fore and aft motion vertically when rotating.
When Elevator landing opened the door, the brake rod 14 that drives brake equipment in the lump stretched out, and inserted in the U sections 20 be welded on every head top, the Room, when elevator occurs can limiting the operation of elevator when unusual.When elevator at closing time, by motor 30 counter-rotating of opening the door, drive belt pulley 12 counter-rotatings, drive transmission gear 13 counter-rotatings by belt pulley simultaneously, thereby make brake rod 14 withdrawals, elevator can normally move.
Based on the mechanical brake device of above-mentioned abnormal operation of elevator, its braking method comprises the steps:
(1) rotating the drive belt pulley by the motor 30 that opens the door rotates;
(2) transmission device of forming by the belt pulley on the motor 30 that opens the door and drive belt 31, brake equipment in-to-in belt pulley 12, the transmission gear 13 that drives in the brake equipment 10 rotates;
(3) transmission gear 13 passes through the screw thread type of drive with brake rod 14, and the fore and aft motion of control brake bar 14 embeds in the U sections 20 it, realizes mechanical braking.
Embodiment two:
See also Fig. 1, Fig. 4 to Fig. 6, the difference of present embodiment and the foregoing description one is: in the present embodiment, what brake equipment adopted is rotational structure.Described brake equipment 10 comprises the driving gear set that is meshing with each other and is formed by transverse gear 17 (the trapezoidal gear of cylinder) and vertical gear 16 (the trapezoidal gear of cylinder), wherein said vertical gear 16 and belt pulley 12 are by rotating shaft 11 coaxial interlocks, described transverse gear 17 is connected with brake rod 14 by another rotating shaft 18, be used to drive brake rod and rotatablely move, be provided with bearing seat 19 in the bottom of rotating shaft 18 along rotating shaft.In the present embodiment, U sections 20 adopts laterally the mode of (opening to the left or right side) welding to be fixed on the top of elevator door.
Shown in Fig. 4～6, when the motor 30 that opens the door rotates by the belt pulley 12 in the drive belt 31 drive brake equipments 10, rotate with the vertical gear 16 of belt pulley 12 same rotating shafts thereupon, transverse gear 17 in the brake equipment matches with vertical gear 16, by the screw thread transmission, rotate thereby drive transverse gear 17; And brake rod 14 is fixed in the rotating shaft 18 jointly with transverse gear 17, therefore, transverse gear 17 will drive brake rod 14 and rotate together, and brake rod 14 rotates into U sections 20 (as stop gear) inside, thereby reach open the door the unusual startup under the situation of restriction elevator.When elevator at closing time, by motor 30 counter-rotating of opening the door, drive belt pulley 12 counter-rotatings, drive the driving gear set counter-rotating by belt pulley simultaneously, brake rod 14 is rotated round about withdraws from U sections 20, elevator can normally move.
Embodiment three:
See also Fig. 1 and Fig. 7, present embodiment and above-mentioned two embodiment differences are: in the present embodiment, what transmission device adopted is the mode that mechanical drive arm 41 and push rod 42 combine.Wherein, one end of described mechanical drive arm 41 is fixed on the car door 45 by slotted hole, the other end is fixedly connected on an end of push rod 42, the other end of push rod 42 is connected on the brake equipment 10, and drives brake rods 44 by transmission gear 43 and do flexible or rotatablely move (similar Fig. 3,5 structure).The center fixed of mechanical drive arm 41 is pushed up at sedan-chair, and whole transmission arm rotates around middle attachment point.
When elevator cab door is opened, drive push rod 42 work by mechanical drive arm 41, the thrust of push rod 42 drives transmission gear 43 and rotates, and then drives the flexible or rotation of brake rod 44, make its inside that embeds U sections 20, the effect of abnormal running when reaching the restriction Elevator landing and opening the door.When elevator at closing time, above-mentioned mechanical drive arm 41 directions are rotated, the brake rod 44 that drives in the brake equipment withdraws from U sections 20, elevator can normally move.
Embodiment four:
See also Fig. 1, Fig. 8 to Figure 10, present embodiment and the foregoing description difference are: in the present embodiment: the control of abnormal operation of elevator brake equipment is not by the mechanical braking mode, but adopts the electric and mechanical control structure that combines.Described brake equipment 10 comprises braking motor 51, and the driven wheel 52 of described braking motor 51 and brake rod 53 interlocks are used to drive brake rod and do to stretch or rotatablely move.
When detecting Elevator landing, controlling the motor action of opening the door by electric signal opens the door, simultaneously enabling signal is inputed to brake equipment 10, control brake device in-to-in braking motor 51 rotates, stretch out by the driven wheel 52 drive brake rods 53 that are installed on the machine shaft, enter U sections 20 inside, play the effect of restriction abnormal operation of elevator.When elevator at closing time, same principle drives driven wheels 52 backward rotation by braking motor 51, thereby brake rod 53 is return, elevator can normally move.
In sum, the present invention can prevent the abnormal running of elevator effectively by the mechanical braking mode, and under the elevator door opening state, the assurance elevator safety is braked reliably, thereby guarantees personal safety.
The above is a better embodiment of the present invention only, and protection scope of the present invention is not limited thereto, and those of skill in the art are any to be included within protection scope of the present invention based on non-material change on the technical scheme of the present invention.
Claims (12)
1. the mechanical brake device of an abnormal operation of elevator, it is characterized in that, comprise the brake equipment that is arranged on elevator car roof, and the stop gear that is arranged on elevator door top, the outside, described brake equipment is connected with transmission device, and the brake rod that drives in the brake equipment by transmission device embeds stop gear, the realization mechanical braking.
2. according to the mechanical brake device of the described abnormal operation of elevator of claim 1, it is characterized in that, described brake equipment comprises transmission gear, and with the belt pulley of the coaxial interlock of this transmission gear, the screw thread of described transmission gear and the screw thread on the brake rod are meshing with each other, and are used to drive brake rod fore and aft motion vertically.
3. according to the mechanical brake device of the described abnormal operation of elevator of claim 1, it is characterized in that, described brake equipment comprises the driving gear set that is meshing with each other and is formed by transverse gear and vertical gear, wherein said vertical gear and the coaxial interlock of belt pulley, described transverse gear is connected with brake rod by rotating shaft, is used to drive brake rod and rotatablely moves along rotating shaft.
4. according to the mechanical brake device of claim 2 or 3 described abnormal operation of elevator, it is characterized in that the belt pulley of described brake equipment is by the drive belt and the motor linkage that opens the door.
5. according to the mechanical brake device of the described abnormal operation of elevator of claim 2, it is characterized in that, the transmission gear of described brake equipment is connected with an end of mechanical drive arm by push rod, the other end of described mechanical drive arm is connected with elevator cab door, is used to drive the interior brake rod of brake equipment fore and aft motion vertically.
6. according to the mechanical brake device of the described abnormal operation of elevator of claim 3, it is characterized in that, the driving gear set of described brake equipment is connected with an end of mechanical drive arm by push rod, the other end of described mechanical drive arm is connected with elevator cab door, and the brake rod that is used to drive in the brake equipment rotatablely moves along rotating shaft.
7. according to the mechanical brake device of the described abnormal operation of elevator of claim 1, it is characterized in that described brake equipment comprises braking motor, the driven wheel of this braking motor and brake rod interlock are used to drive brake rod and do to stretch or rotatablely move.
8. according to the mechanical brake device of claim 1 or 2 or 3 or 7 described abnormal operation of elevator, it is characterized in that described stop gear is the U sections that is fixed on elevator door top, the outside.
9. the mechanical brake device of described abnormal operation of elevator according to Claim 8 is characterized in that, described U sections adopts the mode of horizontal welding or vertical welding to be fixed on the top of elevator door.
10. the mechanical braking method of an abnormal operation of elevator, it is characterized in that, when elevator moves to level position, start the motor that opens the door and open car door, drive brake equipment by transmission device simultaneously, make the stop gear of the elevator door top, the brake rod embedding outside in the brake equipment, the unusual startup or the operation of restriction elevator.
11. mechanical braking method according to the described abnormal operation of elevator of claim 10, it is characterized in that, described brake equipment is to be driven by the motor-driven transmission device that opens the door, or drive by the control signal control brake motor of the motor that opens the door, also or by the mechanical drive arm and the push rod that are installed on the car door drive.
12. the mechanical braking method according to claim 10 or 11 described abnormal operation of elevator is characterized in that, the brake rod in the described brake equipment embeds the stop gear of elevator door top by stretch mode or rotation mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008102201349A CN101481066B (en) | 2008-12-18 | 2008-12-18 | Mechanical braking device and method for abnormal operation of elevator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008102201349A CN101481066B (en) | 2008-12-18 | 2008-12-18 | Mechanical braking device and method for abnormal operation of elevator |
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| Publication Number | Publication Date |
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| CN101481066A CN101481066A (en) | 2009-07-15 |
| CN101481066B true CN101481066B (en) | 2011-03-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2008102201349A Active CN101481066B (en) | 2008-12-18 | 2008-12-18 | Mechanical braking device and method for abnormal operation of elevator |
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| CN (1) | CN101481066B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2352487Y (en) * | 1998-08-31 | 1999-12-08 | 成都金融设备公司 | Lift door operation device |
| CN1280096A (en) * | 1999-07-13 | 2001-01-17 | 孙文林 | Automatic cage speed controller for lift |
| CN1319551A (en) * | 2000-04-14 | 2001-10-31 | 中国建筑科学研究院建筑机械化研究分院 | Bidirectional safety tongs for elevator |
| CN2573462Y (en) * | 2002-09-04 | 2003-09-17 | 黄勇达 | Multifunctional elevator for machine mechanism |
| CN2772005Y (en) * | 2005-01-26 | 2006-04-12 | 刘勇 | Elevator shaft limit control switch |
-
2008
- 2008-12-18 CN CN2008102201349A patent/CN101481066B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2352487Y (en) * | 1998-08-31 | 1999-12-08 | 成都金融设备公司 | Lift door operation device |
| CN1280096A (en) * | 1999-07-13 | 2001-01-17 | 孙文林 | Automatic cage speed controller for lift |
| CN1319551A (en) * | 2000-04-14 | 2001-10-31 | 中国建筑科学研究院建筑机械化研究分院 | Bidirectional safety tongs for elevator |
| CN2573462Y (en) * | 2002-09-04 | 2003-09-17 | 黄勇达 | Multifunctional elevator for machine mechanism |
| CN2772005Y (en) * | 2005-01-26 | 2006-04-12 | 刘勇 | Elevator shaft limit control switch |
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| Publication number | Publication date |
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| CN101481066A (en) | 2009-07-15 |
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