CN213770941U

CN213770941U - Protection system for preventing car from moving

Info

Publication number: CN213770941U
Application number: CN202020695296.4U
Authority: CN
Inventors: 周晓雪
Original assignee: Hangzhou Baochen Technology Co ltd
Current assignee: Hangzhou Baochen Technology Co ltd
Priority date: 2020-04-30
Filing date: 2020-04-30
Publication date: 2021-07-23
Anticipated expiration: 2030-04-30

Abstract

The utility model discloses a prevent protection system that car removed, including the extension board, be fixed with action wheel and driven wheel on the extension board, action wheel and driven wheel overcoat have first transmission rope, the action wheel is connected the 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 utility model has the advantages of simple structure, safe effectual. Mechanical linkage or electrical linkage may be employed. When the elevator opened the door, protection system carried out the linkage action, and the door plant connecting plate removes dorsad, and the horizontal pole inserts waist type hole fixed, and the door is opened, and the car is fixed, and then can not take place the injury accident of business turn over door.

Description

Protection system for preventing car from moving

Technical Field

The utility model belongs to the technical field of the elevator, concretely relates to prevent protection system that car removed.

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.

SUMMERY OF THE UTILITY MODEL

To current problem, the utility model provides a prevent protection system that car removed, simple structure, safe effectual.

The utility model provides an above-mentioned technical problem's technical scheme 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 utility model 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 utility model discloses further set up to, it fixes to turn to the head on the bottom plate.

The utility model discloses further set up to, the top edge of extension board is connected with the upper side board, it is used for the card to open on the driving medium to be in draw-in groove on the upper side board, the bottom of driving medium is being connected first transmission rope.

The utility model discloses further set up to, be fixed with first leading wheel on the curb plate, wire rope bypasses first leading wheel.

The utility model discloses further set up to, the door plant connecting plate with be connected with the fixed plate between the first transmission rope.

The utility model discloses further set up to, the driving medium includes deflector, slider and guide block, the deflector is fixed on the extension board, it has the guide way to open on the deflector, and the guide way includes straightway groove and arc segment groove, it has a slider motion groove to open on the guide block, the top and the bottom of guide block are being connected respectively first transmission rope and second transmission rope, wire rope's end fixing is in on the slider.

The utility model discloses further set up to, be fixed with the second leading wheel on the extension board, wire rope bypasses the second leading wheel.

The utility model discloses further set up to, second driving rope below be fixed with the guide rail on the extension board, the bottom of door plant connecting plate is connected with two above gyro wheels, the centre of gyro wheel is equipped with to be fixed pivot on the door plant connecting plate, the gyro wheel with the both sides contact of guide rail, the gyro wheel with the contact surface of guide rail is the arc.

The utility model discloses further set up to, first driving rope is hold-in range or wire rope, the second driving rope is hold-in range or wire rope.

The utility model discloses further set up to, but support on the end cap and have telescoping device.

The utility model discloses further set up to, the elevator car outside is equipped with lock sensor and position sensor for each layer position is reachd to the response elevator.

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 structural view of a protection system for preventing a car from moving in 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 structural view of a protection system for preventing the car from moving 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 status of the embodiment of the present invention;

fig. 6 is a schematic structural view of a protection system for preventing movement of a car 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 described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

The utility model provides a prevent protection system that car removed, as one of them embodiment, including extension board 8 and prevent car moving mechanism, see figure 1, be fixed with action wheel 9 on the extension board 8 and follow driving wheel 10, action wheel 9 and follow driving wheel 10 overcoat have first transmission rope 11, action wheel 9 is connecting the 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 utility model provides a prevent protection system's that car removed working process does, and the motor drives 11 transmissions of first driving rope, and then drives the transmission of second driving rope 12, and then drives two 14 syntropies of door plant connecting plate or reverse removal, and door plant connecting plate 14 is used for fixing the lift-cabin door, realizes opening and shutting of lift-cabin 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.

The utility model provides a first driving rope 11 is hold-in range or wire rope, and second driving rope 12 is hold-in range or wire rope, uses first driving rope 11 to describe for the example hold-in range in following embodiment, and second driving rope 12 is wire rope, and first driving rope 11 is wire rope, and second driving rope 12 is similar for the condition of hold-in range, no longer gives details.

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 utility model provides a prevent protection system that car removed, as another embodiment, see fig. 6, prevent that car moving mechanism includes bottom plate 1, is connected with curb plate 3 of two parallels on the bottom plate 1, and 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, does not need the cover to establish the spring on horizontal pole 4 between end cap 5 and the curb plate 3, does not need to connect wire rope 7 on the end cap 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 above description is only for the preferred embodiment of the present invention, and should not be construed as limiting the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.

Claims

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 said side plates have travel limit switches or UKS switches thereon.