CN111532918A - Protection system for preventing car from moving - Google Patents
Protection system for preventing car from moving Download PDFInfo
- Publication number
- CN111532918A CN111532918A CN202010359747.1A CN202010359747A CN111532918A CN 111532918 A CN111532918 A CN 111532918A CN 202010359747 A CN202010359747 A CN 202010359747A CN 111532918 A CN111532918 A CN 111532918A
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- CN
- China
- Prior art keywords
- plate
- rope
- driving
- protection system
- door panel
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- 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.)
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- 230000005540 biological transmission Effects 0.000 claims abstract description 45
- 229910000831 Steel Inorganic materials 0.000 claims description 24
- 239000010959 steel Substances 0.000 claims description 24
- 230000002265 prevention Effects 0.000 claims description 20
- 230000007246 mechanism Effects 0.000 claims description 8
- 230000000694 effects Effects 0.000 abstract description 4
- 230000009471 action Effects 0.000 abstract description 3
- 208000027418 Wounds and injury Diseases 0.000 abstract description 2
- 230000006378 damage Effects 0.000 abstract description 2
- 208000014674 injury Diseases 0.000 abstract description 2
- 230000001360 synchronised effect Effects 0.000 description 6
- 230000001939 inductive effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
Images
Classifications
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- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B13/00—Doors, gates, or other apparatus controlling access to, or exit from, cages or lift well landings
- B66B13/02—Door or gate operation
- B66B13/06—Door or gate operation of sliding doors
- B66B13/08—Door or gate operation of sliding doors guided for horizontal movement
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B13/00—Doors, gates, or other apparatus controlling access to, or exit from, cages or lift well landings
- B66B13/02—Door or gate operation
- B66B13/14—Control systems or devices
- B66B13/143—Control systems or devices electrical
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- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Cage And Drive Apparatuses For Elevators (AREA)
Abstract
The protection system for preventing the car from moving comprises a support plate, wherein a driving wheel and a driven wheel are fixed on the support plate, a first transmission rope is sleeved outside the driving wheel and the driven wheel, and the driving wheel is connected with a motor; the door panel connecting plate is characterized in that two driving wheels are arranged on the supporting plate, second driving ropes are sleeved outside the driving wheels and parallel to the first driving ropes, two door panel connecting plates are fixed on the second driving ropes, one door panel connecting plate is connected with the upper side of the second driving ropes, the other door panel connecting plate is connected with the lower side of the second driving ropes, and one door panel connecting plate is connected with the first driving ropes. The invention has simple structure and good safety effect. Mechanical linkage or electrical linkage may be employed. When the elevator is opened, the protection system for preventing the car from moving performs linkage action, the door plate connecting plate moves back to back, the cross rod is inserted into the waist-shaped hole to be fixed, the door is opened, the car is fixed, and then the injury accident of entering and exiting the door can not occur.
Description
Technical Field
The invention belongs to the technical field of elevators, and particularly relates to a protection system for preventing a car from moving.
Background
The mode that present elevator prevented unexpected removal of car is generally for modes such as band-type brake braking and photoelectric sensor discernment combination, rope gripper and photoelectric sensor, overspeed governor and rope gripper, and these modes can reach the purpose of preventing the unexpected removal of car in certain operating mode, but the safety effect is limited, and the debugging is complicated. In addition, when people get in and out of the lift car, protection is mainly achieved through safety tongs and a tractor contracting brake, but the elevator usually stops after dropping for a large distance, and casualties are usually caused.
Disclosure of Invention
Aiming at the existing problems, the invention provides a protection system for preventing the car from moving, which has a simple structure and a good safety effect.
The technical scheme for solving the technical problems is as follows: a protection system for preventing a car from moving comprises a car moving prevention mechanism and a support plate; a driving wheel and a driven wheel are fixed on the support plate, a first transmission rope is sleeved outside the driving wheel and the driven wheel, and the driving wheel is connected with a motor; the support plate is provided with two driving wheels, a second driving rope is sleeved outside the driving wheels and is parallel to the first driving rope, two door panel connecting plates are fixed on the second driving rope, one door panel connecting plate is connected with the upper side of the second driving rope, the other door panel connecting plate is connected with the lower side of the second driving rope, and one door panel connecting plate is connected with the first driving rope; the car movement prevention mechanism comprises a bottom plate and a steering head, two parallel side plates are connected to the bottom plate, through holes are formed in the side plates, a cross rod penetrates through the through holes, and one end portion of the cross rod is connected with a plug.
The invention is further arranged in that a spring is sleeved on the cross rod between the plug and the side plate, and the plug is connected with a steel wire rope; the steering head is located between the plug and the side plate, the steel wire rope bypasses the steering head, the steel wire rope is pulled to drive the cross rod to move along the through hole of the side plate, the end portion of the steel wire rope is connected with a transmission piece, and the transmission piece is connected with the first transmission rope.
The invention is further provided that the steering head is fixed to the base plate.
The invention is further provided that the upper edge of the support plate is connected with an upper side plate, the transmission part is provided with a clamping groove for clamping on the upper side plate, and the bottom of the transmission part is connected with the first transmission rope.
The invention is further provided that a first guide wheel is fixed on the upper side plate, and the steel wire rope bypasses the first guide wheel.
The invention is further provided that a fixing plate is connected between the door panel connecting plate and the first transmission rope.
The invention is further set that the transmission part comprises a guide plate, a slide block and a guide block, the guide plate is fixed on the support plate, a guide groove is formed in the guide plate, the guide groove comprises a straight line section groove and an arc section groove, a slide block moving groove is formed in the guide block, the top and the bottom of the guide block are respectively connected with the first transmission rope and the second transmission rope, and the end part of the steel wire rope is fixed on the slide block.
The invention is further provided that a second guide wheel is fixed on the support plate, and the steel wire rope bypasses the second guide wheel.
The invention is further provided that a guide rail is fixed on the support plate below the second transmission rope, more than two rollers are connected with the bottom of the door panel connecting plate, a rotating shaft fixed on the door panel connecting plate is arranged in the middle of each roller, the rollers are in contact with two sides of the guide rail, and the contact surfaces of the rollers and the guide rail are arc-shaped.
The invention is further arranged in that the first transmission rope is a synchronous belt or a steel wire rope, and the second transmission rope is a synchronous belt or a steel wire rope.
The invention is further provided that the plug is propped against a telescopic device.
The invention is further arranged in that a door lock sensor and a position sensor are arranged outside the elevator car and used for sensing that the elevator reaches each floor position.
To sum up, when the elevator opened a door, the protection system who prevents the car and remove carries out the linkage action, and the door plant connecting plate moves dorsad, realizes that the horizontal pole inserts waist type hole fixed, and then the door is opened, and the car can not take place to remove, and then can not take place the injury accident of business turn over door.
Drawings
Fig. 1 is a schematic view of a protection system for preventing movement of a car according to an embodiment of the present invention;
fig. 2 is a schematic structural view of the cage movement preventing mechanism of fig. 1;
fig. 3 is a schematic view of a protection system for preventing movement of a car according to another embodiment of the present invention;
FIG. 4 is a schematic view of a portion of the structure of FIG. 3;
FIG. 5 is a schematic view of a usage state of the embodiment of the present invention;
fig. 6 is a schematic view of a car movement prevention protection system according to another embodiment of the present invention.
Wherein, 1, a bottom plate; 2. a steering head; 3. a side plate; 4. a cross bar; 5. a plug; 6. a spring; 7. a wire rope; 8. a support plate; 9. a driving wheel; 10. a driven wheel; 11. a first drive line; 12. a second drive rope; 13. a driving wheel; 14. a door panel connecting plate; 15. an upper side plate; 16. a transmission member; 17. a card slot; 18. a first guide wheel; 19. a fixing plate; 20. a guide plate; 21. a guide groove; 22. a guide block; 23. a slider; 24. a second guide wheel; 25. a guide rail; 26. a roller; 27. a rotating shaft; 28. a kidney-shaped hole.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The invention provides a protection system for preventing a car from moving, which comprises a support plate 8 and a car movement prevention mechanism as one embodiment, referring to fig. 1, a driving wheel 9 and a driven wheel 10 are fixed on the support plate 8, a first transmission rope 11 is sleeved outside the driving wheel 9 and the driven wheel 10, and the driving wheel 9 is connected with a motor. The support plate 8 is provided with two driving wheels 13, a second driving rope 12 is sleeved outside the driving wheels 13, the second driving rope 12 is parallel to the first driving rope 11, two door panel connecting plates 14 are fixed on the second driving rope 12, one door panel connecting plate 14 is connected with the upper side of the second driving rope 12, the other door panel connecting plate 14 is connected with the lower side of the second driving rope 12, and one door panel connecting plate 14 is connected with the first driving rope 11. Referring to fig. 2, including bottom plate 1 and steering head 2, be connected with two parallel curb plates 3 on the bottom plate 1, it has the through-hole to open on the curb plate 3, passes the through-hole and is equipped with horizontal pole 4, and an end connection of horizontal pole 4 has end cap 5, overlaps on horizontal pole 4 between end cap 5 and the curb plate 3 to be equipped with spring 6, is connected with wire rope 7 on the end cap 5. The steering head 2 can be fixed in many positions, as long as it is located between the stopper 5 and the side plate 3, for example, fixed to the base plate 1. The steel wire rope 7 bypasses the steering head 2, and the steel wire rope 7 is pulled to drive the cross rod 4 to move along the through hole of the side plate 3.
The end of the steel wire rope 7 is connected with a transmission piece which is connected with a first transmission rope 11. The working process of the protection system for preventing the elevator car from moving comprises the following steps that the motor drives the first transmission rope 11 to transmit, further drives the second transmission rope 12 to transmit, further drives the two door panel connecting plates 14 to move in the same direction or in the opposite direction, and the door panel connecting plates 14 are used for fixing the elevator door to realize the opening and closing of the elevator door. When the motor drives the door panel connecting plate 14 to move away from the door panel connecting plate, the steel wire rope 7 is tensioned, the spring 6 is compressed, and the extension length of the free end of the cross rod 4 is increased; when the motor drives the door panel connecting plate 14 to being close to, the spring 6 is loosened, the steel wire rope 7 is loosened, the extending length of the free end of the cross rod 4 is reduced, and the back and forth movement of the cross rod 4 in the through hole is realized.
In the present invention, the first transmission rope 11 is a synchronous belt or a steel wire rope, the second transmission rope 12 is a synchronous belt or a steel wire rope, in the following embodiments, description is given by taking the first transmission rope 11 as the synchronous belt and the second transmission rope 12 as the steel wire rope as an example, and the cases where the first transmission rope 11 is the steel wire rope and the second transmission rope 12 is the synchronous belt are similar and will not be described again.
As an embodiment of the protection system for preventing the car from moving, see fig. 1, the upper edge of the support plate 8 is connected with an upper side plate 15, the transmission member 16 is provided with a slot 17 for clamping on the upper side plate 15, and the bottom of the transmission member 16 is connected with the first transmission rope 11. The transmission piece 16 and the first transmission rope 11 move synchronously, and the transmission piece 16 moves along the upper side plate 15 through the clamping groove 17.
Further, a first guide wheel 18 is fixed to the upper side plate 15, and the wire rope 7 is wound around the first guide wheel 18. A fixing plate 19 is connected between the door panel connecting plate 14 and the first driving rope 11.
As another embodiment of the car movement prevention protection system, referring to fig. 3 and 4, the transmission member includes a guide plate 20, a slider 23, and a guide block 22, the guide plate 20 is fixed on the support plate 8, the guide plate 20 is provided with a guide groove 21, the guide groove 21 includes a straight line groove and an arc groove, when the two door panel connection plates 14 move back to back, the two door panel connection plates sequentially pass through the straight line groove and the arc groove, the guide block 22 is provided with a slider 23 movement groove, the top and bottom of the guide block 22 are respectively connected with the first transmission rope 11 and the second transmission rope 12, and the end of the steel wire rope 7 is fixed on the slider 23. When the motor drives the first transmission rope 11 to move, the guide block 22 is driven to move synchronously, the guide block 22 drives the sliding block 23 to move in the guide groove 21, and the door panel connecting plate 14 is moved.
Furthermore, a second guide wheel 24 is fixed on the support plate 8, and the steel wire rope 7 bypasses the second guide wheel 24.
As another embodiment of the car movement prevention protection system, a guide rail 25 is fixed on the support plate 8 below the second driving rope 12, more than two rollers 26 are connected to the bottom of the door panel connecting plate 14, a rotating shaft 27 fixed on the door panel connecting plate 14 is arranged in the middle of the roller 26, the rollers 26 contact with both sides of the guide rail 25, and the contact surface between the roller 26 and the guide rail 25 is arc-shaped.
As a further use of the above embodiment, referring to fig. 5, the car movement prevention protection system is fixed on the lintel of the elevator, the car movement prevention mechanism is fixed on the walls on both sides of the door, a kidney-shaped hole 28 is provided on the outer side of the car at a position corresponding to the cross bar 4 for the cross bar 4 to extend into the kidney-shaped hole 28, the lowest part of the kidney-shaped hole 28 is lower than the cross bar 4, and the car is only slightly deflected downward without falling down, so as to ensure the safe operation of the elevator.
The invention provides a protection system for preventing a car from moving, as another embodiment, referring to fig. 6, a car movement prevention mechanism comprises a bottom plate 1, two parallel side plates 3 are connected to the bottom plate 1, through holes are formed in the side plates 3, a cross rod 4 penetrates through the through holes, a plug 5 is connected to one end of the cross rod 4, a spring does not need to be sleeved on the cross rod 4 between the plug 5 and the side plates 3, and a steel wire rope 7 does not need to be connected to the plug 5. The plug 5 is supported by a telescopic device which can be an oil cylinder, an air cylinder and other devices with telescopic structures. The elevator car door lock further comprises a door lock sensor and a position sensor which are fixed outside the car. The door lock sensor and the position sensor can be capacitive sensors, inductive sensors, photoelectric proximity sensors and the like, and only need to sense a floor arrival signal and transmit the signal to the telescopic device. When the elevator arrives at a target floor and stops at the floor, the door is opened to be closed, the door lock sensor and the position sensor give in-place signals, the telescopic device is caused to push the cross rod to enter the outer side waist-shaped hole, the elevator car is locked tightly, the side plate 3 is provided with the travel limit switch or the UKS switch, the function is that when the cross rod 4 acts, the switch acts, the action of a safety loop is realized, and the protection effect is achieved. The safety loop is that each safety component of the elevator is provided with a safety switch, all the safety switches are connected in series to control a safety relay. And only under the condition that all the safety switches are switched on, the safety relays are closed, the elevator can be powered on to operate, otherwise, the elevator stops operating immediately, so that the safety operation of the elevator is guaranteed.
The present invention is not limited to the above preferred embodiments, and any modifications, equivalent replacements, improvements, etc. within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A protection system for preventing a car from moving is characterized by comprising a car movement prevention mechanism and a support plate; a driving wheel and a driven wheel are fixed on the support plate, a first transmission rope is sleeved outside the driving wheel and the driven wheel, and the driving wheel is connected with a motor; the support plate is provided with two driving wheels, a second driving rope is sleeved outside the driving wheels and is parallel to the first driving rope, two door panel connecting plates are fixed on the second driving rope, one door panel connecting plate is connected with the upper side of the second driving rope, the other door panel connecting plate is connected with the lower side of the second driving rope, and one door panel connecting plate is connected with the first driving rope; the car movement prevention mechanism comprises a bottom plate and a steering head, two parallel side plates are connected to the bottom plate, through holes are formed in the side plates, a cross rod penetrates through the through holes, and one end portion of the cross rod is connected with a plug.
2. The car movement prevention protection system as claimed in claim 1, wherein a spring is sleeved on the cross bar between the plugs and the side plates, and the plugs are connected with wire ropes; the steering head is located between the plug and the side plate, the steel wire rope bypasses the steering head, the steel wire rope is pulled to drive the cross rod to move along the through hole of the side plate, the end portion of the steel wire rope is connected with a transmission piece, and the transmission piece is connected with the first transmission rope.
3. The car movement prevention protection system as claimed in claim 2, wherein an upper side plate is connected to an upper edge of the support plate, a slot for being clamped on the upper side plate is formed in the transmission member, and the first transmission rope is connected to a bottom of the transmission member.
4. The car movement prevention protection system of claim 3, wherein a first guide wheel is fixed to the upper side plate, and the wire rope passes around the first guide wheel.
5. The car movement prevention protection system of claim 1, wherein a fixing plate is connected between the door panel connection plate and the first drive rope.
6. The car movement prevention protection system of claim 2 wherein the drive member includes a guide plate, a slider and a guide block, the guide plate is fixed to the support plate, the guide plate has a guide slot, the guide slot includes a straight slot and an arc slot, the guide block has a slider movement slot, the top and bottom of the guide block are connected to the first and second drive ropes, respectively, and the ends of the wire rope are fixed to the slider.
7. The car movement prevention protection system of claim 6 wherein a second guide wheel is fixed to the brace and the cable passes around the second guide wheel.
8. The car movement prevention protection system as claimed in claim 1, wherein a guide rail is fixed on the support plate below the second transmission rope, more than two rollers are connected to the bottom of the door panel connecting plate, a rotating shaft fixed on the door panel connecting plate is arranged in the middle of the rollers, the rollers contact with two sides of the guide rail, and the contact surface between the rollers and the guide rail is arc-shaped.
9. A car movement prevention protection system as claimed in claim 1 wherein a retractable device is carried on the choke.
10. The car movement prevention protection system of claim 9 wherein a travel limit switch or a UKS switch is provided on the elevator car side panel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010359747.1A CN111532918A (en) | 2020-04-30 | 2020-04-30 | Protection system for preventing car from moving |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010359747.1A CN111532918A (en) | 2020-04-30 | 2020-04-30 | Protection system for preventing car from moving |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111532918A true CN111532918A (en) | 2020-08-14 |
Family
ID=71977361
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010359747.1A Pending CN111532918A (en) | 2020-04-30 | 2020-04-30 | Protection system for preventing car from moving |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111532918A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113581969A (en) * | 2021-08-17 | 2021-11-02 | 杭州奥立达电梯有限公司 | Novel prevent safe freight elevator that carries goods and strike |
-
2020
- 2020-04-30 CN CN202010359747.1A patent/CN111532918A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113581969A (en) * | 2021-08-17 | 2021-11-02 | 杭州奥立达电梯有限公司 | Novel prevent safe freight elevator that carries goods and strike |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20200814 |
|
| WD01 | Invention patent application deemed withdrawn after publication |