CN210236819U - Balance system for automatically adjusting unbalance loading of elevator car - Google Patents

Balance system for automatically adjusting unbalance loading of elevator car Download PDF

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Publication number
CN210236819U
CN210236819U CN201921038529.7U CN201921038529U CN210236819U CN 210236819 U CN210236819 U CN 210236819U CN 201921038529 U CN201921038529 U CN 201921038529U CN 210236819 U CN210236819 U CN 210236819U
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China
Prior art keywords
car
unbalance loading
transmission rod
balance
lift car
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Withdrawn - After Issue
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CN201921038529.7U
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Chinese (zh)
Inventor
Guozhao Tang
汤国兆
Duan Zheng
郑端
Kehong Liu
刘柯宏
Qinliang Liu
刘钦亮
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Hitachi Elevator Chengdu Co Ltd
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Hitachi Elevator Chengdu Co Ltd
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Abstract

The utility model provides an automatic adjustment elevator car unbalance loading's balanced system, the technical problem of unbalance loading appears easily in the purpose solution elevator. The adopted technical scheme is as follows: a balance system for automatically adjusting the unbalance loading of an elevator car comprises an unbalance loading monitoring device arranged on the car, wherein the unbalance loading monitoring device is used for monitoring the unbalance loading direction of the car; a plurality of balance blocks are distributed on the outer side of the lift car, and the balance blocks adjust the offset load of the lift car through front and back movement or left and right movement; the car still is provided with the control box, control box and unbalance loading monitoring devices electric connection and control the removal of balancing piece through drive arrangement. The utility model discloses can balance the load of car, reach and alleviate and even eliminate the purpose of car unbalance loading completely.

Description

Balance system for automatically adjusting unbalance loading of elevator car
Technical Field
The utility model relates to an elevator equipment technical field, concretely relates to automatic adjustment elevator car unbalance loading's balanced system.
Background
The elevator is a special vehicle for carrying people and goods, when the elevator carries goods, the situation often occurs that the goods are intensively placed at a position deviating from the gravity center of the elevator, the stress area is small, and the concentrated load is large. Such as: the rear side of the car is placed after goods loaded by the wheel type cart enter the car; when passengers carry objects with larger mass, the objects are placed at the corners of the elevator car; the situation that passengers stand on one side of the lift car in a centralized way is also existed; the phenomena such as the above phenomena are frequent, the phenomena can cause the car to be severely unbalanced loaded, the unbalanced loading of the guide shoes and the guide rails on the car frame can be generated after the elevator is unbalanced loaded, the friction force between the guide shoes and the guide rails can be increased, and resistance can be generated, and the guide shoes can be seriously worn in the past, so that the problems of power loss of a main machine, guide shoe loss, abnormal sound of the elevator, elevator vibration and the like can be caused.
Disclosure of Invention
An object of the utility model is to provide an automatic adjustment elevator car unbalance loading's balanced system can balance, alleviate and even eliminate the car unbalance loading completely to the load of car.
In order to achieve the above object, the utility model adopts the following technical scheme:
a balancing system for automatically adjusting elevator car offset load, comprising:
the unbalance loading monitoring device is arranged on the lift car and used for monitoring the unbalance loading direction of the lift car;
the balance blocks are arranged in a plurality and distributed on the outer side of the car, and the balance blocks adjust the offset load of the car through front and back or left and right movement;
and the control box is arranged on the lift car, is electrically connected with the unbalance loading monitoring device and controls the movement of the balance block through the driving device.
Preferably, the unbalance loading monitoring device includes:
the base plate is arranged below the lift car and used for supporting the lift car;
the compressed rubber is uniformly arranged between the lift car and the base plate;
and the distance sensors are distributed on the upper surface of the base plate and correspond to four corners of the bottom of the car, and the distance sensors are electrically connected with the control box.
Preferably, the balance block area is divided into a rear sliding block positioned at the rear side of the lift car and side sliding blocks respectively positioned at the left side and the right side of the lift car; the side sliding blocks are correspondingly matched with guide rails horizontally extending along the front-back direction, and the rear sliding blocks are correspondingly matched with guide rails horizontally extending along the left-right direction.
Preferably, the driving devices are servo motors, and the servo motors are provided with at least two servo motors and are positioned at the top of the car; the balance block is provided with a spur rack extending along the length direction of the corresponding guide rail and is matched with the vertical transmission rod; one end of the vertical transmission rod is a driving end and is provided with a straight gear which is in transmission fit with the straight rack, and the other end of the vertical transmission rod is a driven driving end and is driven by a corresponding servo motor.
Preferably, the driven driving end of the vertical transmission rod and the rotating shaft of the servo motor are respectively provided with a bevel gear; and the vertical transmission rod of the rear sliding block and the corresponding servo motor form transmission fit through mutually meshed conical gears.
Preferably, the side sliding blocks on the left side and the right side of the car move in the same direction under the drive of the same servo motor; the servo motor synchronously drives two horizontal transmission rods symmetrically arranged on two sides of the servo motor and drives a vertical transmission rod corresponding to the side sliding block through the horizontal transmission rods; and two ends of the horizontal transmission rod are respectively provided with a conical gear.
Preferably, the lower side of the conical gear of the horizontal transmission rod is meshed with the inner side of the conical gear of the corresponding vertical transmission rod, and the tooth surfaces of the spur racks of the side sliding blocks on the left side and the right side of the car face towards the same direction.
Preferably, the vertical transmission rod and the horizontal transmission rod are respectively provided with a mounting bracket and are rotatably fixed on the outer wall of the car through the mounting brackets.
The utility model discloses a theory of operation does: the unbalance loading monitoring device can monitor the unbalance loading direction of the car in real time, and when the load in the car is unbalanced and the car generates unbalance loading, the unbalance loading monitoring device can convert the unbalance loading direction of the car into an electric signal and transmit the electric signal to the control box through an electric wire; after the control box receives the electric signal, the position of the balance block can be adjusted through the driving device, so that the balance block moves towards the direction with light load of the lift car, and the unbalance load of the lift car is adjusted.
Therefore, the utility model has the advantages that: the load of the car can be balanced, and the aim of reducing or even completely eliminating the unbalanced load of the car is achieved.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the embodiments or technical descriptions will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic view of another aspect of the present invention;
FIG. 3 is an enlarged view of portion A of FIG. 2;
FIG. 4 is an enlarged view of portion B of FIG. 2;
FIG. 5 is an enlarged view of portion C of FIG. 2;
FIG. 6 is an enlarged view of portion D of FIG. 2;
FIG. 7 is an enlarged view of section E of FIG. 2;
reference numerals: 1. an offset load monitoring device; 2. a car; 3. a counterbalance; 4. a control box; 5. a base plate; 6. compressing the rubber; 7. a distance sensor; 8. a rear slider; 9. a side slider; 10. a guide rail; 11. a servo motor; 12. straight rack; 13. a vertical transmission rod; 14. a horizontal transmission rod; 15. and fixing the bracket.
Detailed Description
In the following, only certain exemplary embodiments are briefly described. As those skilled in the art will recognize, the described embodiments may be modified in various different ways, all without departing from the spirit or scope of the present invention. Accordingly, the drawings and description are to be regarded as illustrative in nature, and not as restrictive.
Embodiments of the present invention will be described in detail below with reference to fig. 1 to 7.
The embodiment of the utility model provides an automatic adjustment elevator car unbalance loading's balanced system, this balanced system includes:
the unbalance loading monitoring device 1 is provided in the car 2 and monitors an unbalance loading direction of the car 2.
A plurality of balance weights 3 which are distributed outside the car 2, wherein the balance weights 3 adjust the unbalance loading of the car 2 by moving forwards and backwards or leftwards and rightwards; it should be understood that the counterbalances 3 may be distributed on the left and right rear sides of the car 2, or disposed on the upper side of the car 2, or distributed on the upper side of the car 2 as well as on the left and right rear sides.
And a control box 4 arranged on the car 2, electrically connected with the unbalance loading monitoring device 1 and controlling the movement of the balance weight 3 through a driving device.
Further, the unbalance loading monitoring device 1 includes:
a base plate 5 provided below the car 2 for supporting the car 2; it should be understood that the outside of the car 2 is also provided with a frame, the frame is fixedly connected with the base plate 5 and limits the periphery of the car 2, and the traction steel wire rope drives the base plate 5 and the car 2 to move up and down through the traction frame.
Compressed rubber 6 uniformly arranged between the cage 2 and the base plate 5; it should be understood that the compressed rubber 6 may be provided in a uniform piece between the cage 2 and the base plate 5, or may be provided in a plurality of pieces of the same specification.
And the distance sensors 7 are distributed on the upper surface of the base plate 5 and correspond to four corners of the bottom of the car 2, and the distance sensors 7 are electrically connected with the control box 4. It should be understood that four distance sensors 7 are provided, which can monitor the gap between the four corners of the bottom surface of the car 2 and the upper surface of the base plate 5 in real time, and convert the gap value into an electric signal and transmit the electric signal to the control main board of the control box 4 through electric wires. The control mainboard of the control box 4 can receive the clearance value data transmitted by the distance sensor 7 in real time, and controls the balance weight 3 to move according to the relative size of the clearance value between the four corners of the lift car 2 and the base plate 5, so that the balance weight 3 always moves towards the direction with the larger clearance value.
The embodiment of the utility model is explained below, the utility model is provided with a base plate 5 for supporting the cage 2 at the bottom of the cage 2, and a compressed rubber 6 is arranged between the base plate 5 and the cage 2; when the car 2 is unbalanced due to a heavy load on one side or one corner of the car 2, the compression amount of the compression rubber 6 at that position is larger than the compression amount of the compression rubber 6 at other positions, and the gap between the car 2 and the base plate 5 at that position is smaller than the gap between the car 2 and the base plate 5 at other positions. The four corners of the base plate 5 corresponding to the bottom of the car 2 are provided with distance sensors 7, so that the size of a gap between the car 2 and the base plate 5 can be monitored in real time, and the gap can be fed back to the control box 4 in real time through electric signals; after receiving the electric signal, the control box 4 adjusts the position of the balance weight 3 through the driving device, so that the balance weight 3 moves towards the direction with large clearance along the outer side of the car 2, thereby balancing the load of the car 2 and achieving the purpose of reducing or even completely eliminating the unbalance loading of the car 2.
As a further optimization of the utility model, the balance weight 3 is divided into a rear slide block 8 positioned at the rear side of the car 2 and side slide blocks 9 respectively positioned at the left side and the right side of the car 2; the side sliding blocks 9 are correspondingly matched with guide rails 10 horizontally extending along the front-back direction, and the rear sliding blocks 8 are correspondingly matched with guide rails 10 horizontally extending along the left-right direction. It should be understood that the guide rail 10 may be a guide bar, a slide groove, or other member having a guide limit function. The rear slider 8 moves in the left-right direction of the car 2 along its guide rail 10 to cancel the unbalance load in the left-right direction of the car 2, and the side slider 9 moves in the front-rear direction of the car 2 along its guide rail 10 to cancel the unbalance load in the front-rear direction of the car 2; the rear slider 8 and the side sliders 9 on both left and right sides of the car 2 may operate independently or in cooperation with each other to balance the load of the car 2. The side slide 9 stops moving when the clearance values of the front and rear corners of the corresponding car 2 are the same or when the clearance values of the left and right corners of the car 2 reach the end of the corresponding guide rail 10, and the rear slide 8 stops moving when the clearance values of the left and right corners of the car 2 are the same or when the clearance values of the left and right corners of the corresponding guide rail 10 reach the end of the corresponding guide rail 10.
Further, the driving device is a servo motor 11, and at least two servo motors 11 are arranged on the top of the car 2; the balance weight 3 is provided with a spur rack 12 extending along the length direction of the corresponding guide rail 10 and is matched with a vertical transmission rod 13; one end of the vertical transmission rod 13 is a driving end and is provided with a straight gear which is in transmission fit with the straight rack 12, and the other end of the vertical transmission rod is a driven driving end and is driven by a corresponding servo motor 11. It should be understood that the servo motor 11 drives the spur rack 12 by driving the vertical transmission rod 13 to rotate, so that the spur rack 12 moves along the length direction thereof, and thus the balance weight 3 fixedly connected with the spur rack 12 moves along the length direction of the guide rail 10.
Further, a driven driving end of the vertical transmission rod 13 and a rotating shaft of the servo motor 11 are respectively provided with a bevel gear; and the vertical transmission rod 13 of the rear sliding block 8 and the corresponding servo motor 11 form transmission fit through mutually meshed conical gears. It should be understood that the servo motor 11 of the rear slider 8 drives the vertical transmission rod 13 to rotate through the mutually meshed conical gears, thereby moving the rear slider 8 in the left-right direction of the car 2. The side sliding blocks 9 on the left and right sides of the car 2 can also be driven by corresponding servo motors 11 in the same way, so that the balance weights 3 on the left, right and back sides of the car 2 are respectively correspondingly matched with one servo motor 11.
Further, the side sliding blocks 9 on the left side and the right side of the car 2 move in the same direction under the drive of the same servo motor 11; the servo motor 11 synchronously drives two horizontal transmission rods 14 symmetrically arranged at two sides of the servo motor and drives a vertical transmission rod 13 corresponding to the side slide block 9 through the horizontal transmission rods 14; two ends of the horizontal transmission rod 14 are respectively provided with a conical gear. It should be understood that, the servo motor 11 driving the side sliding blocks 9 has two sides of the conical gear on the rotating shaft thereof respectively and correspondingly engaging the conical gears at the ends of the two horizontal transmission rods 14, and the other ends of the two horizontal transmission rods 14 respectively and correspondingly engage with the vertical transmission rods 13 on the left and right sides of the car 2 through the mutually engaged conical gears to form transmission fit, so as to realize synchronous driving of the side sliding blocks 9 on the left and right sides of the car 2 by one servo motor 11.
Further, the lower side of the conical gear of the horizontal transmission rod 14 is meshed with the inner side of the conical gear of the corresponding vertical transmission rod 13, and the tooth surfaces of the spur racks 12 of the side sliders 9 on the left side and the right side of the car 2 are in the same direction. It should be understood that the inner side of the conical gear of the vertical transmission rod 13 refers to the side thereof close to the car 2; the two horizontal transmission rods 14 are symmetrically arranged on two sides of the same servo motor 11 and are respectively meshed with two sides of a conical gear on a rotating shaft of the servo motor 11, so that the rotating directions of the two horizontal transmission rods 14 are opposite; the right side of a conical gear of the vertical transmission rod 13 on the left side of the car 2 is meshed with the lower side of a conical gear corresponding to the horizontal transmission rod 14, and the left side of the conical gear of the vertical transmission rod 13 on the right side of the car 2 is meshed with the lower side of a conical gear corresponding to the horizontal transmission rod 14; because the rotation directions of the two horizontal transmission rods 14 are opposite, after the transmission is carried out again, the vertical transmission rods 13 on the left side and the right side of the lift car 2 can rotate in the same direction; the tooth surfaces of the straight racks 12 of the side sliders 9 on the left and right sides of the car 2 face the same direction, so that the side sliders 9 on the left and right sides of the car 2 can move in the same direction under the driving of the same servo motor 11.
Further, the vertical driving rod 13 and the horizontal driving rod 14 are respectively fitted with a mounting bracket 15 and rotatably fixed to the outer wall of the car 2 by the mounting bracket 15. It should be understood that the vertical transmission rod 13 and the horizontal transmission rod 14 are rotatably fixed to the outer wall of the car 2 by means of mounting brackets 15, respectively, so that the fixed-axis rotation of the vertical transmission rod 13 and the horizontal transmission rod 14 is achieved.
Although specific embodiments of the present invention have been described above, it will be appreciated by those skilled in the art that changes and modifications may be made to these embodiments without departing from the principles and spirit of the invention, and these changes and modifications are intended to fall within the scope of the invention.

Claims (8)

1. The utility model provides an automatic adjustment elevator car unbalance loading's balanced system, is applied to elevator car which characterized in that: the method comprises the following steps:
the unbalance loading monitoring device (1) is arranged on the lift car (2) and is used for monitoring the unbalance loading direction of the lift car (2);
the balance blocks (3) are arranged in a plurality and distributed on the outer side of the lift car (2), and the balance blocks (3) adjust the offset load of the lift car (2) through front and back or left and right movement;
and the control box (4) is arranged on the lift car (2), is electrically connected with the unbalance loading monitoring device (1) and controls the movement of the balance weight (3) through a driving device.
2. The balance system for automatically adjusting elevator car imbalance of claim 1, wherein: the unbalance loading monitoring device (1) comprises:
a base plate (5) provided below the car (2) and supporting the car (2);
compressed rubber (6) uniformly arranged between the cage (2) and the base plate (5);
the distance sensors (7) are distributed on the upper surface of the base plate (5) and correspond to the four corners of the bottom of the car (2), and the distance sensors (7) are electrically connected with the control box (4).
3. A balancing system for automatically adjusting the offset loading of an elevator car according to claim 1 or 2, characterized in that: the balance block (3) is divided into a rear sliding block (8) positioned at the rear side of the lift car (2) and side sliding blocks (9) respectively positioned at the left side and the right side of the lift car (2); the side sliding blocks (9) are correspondingly matched with guide rails (10) horizontally extending in the front-back direction, and the rear sliding blocks (8) are correspondingly matched with guide rails (10) horizontally extending in the left-right direction.
4. A balancing system for automatically adjusting elevator car unbalance loading according to claim 3, characterized in that: the driving device is a servo motor (11), and at least two servo motors (11) are arranged and are positioned at the top of the lift car (2); the balance block (3) is provided with a spur rack (12) extending along the length direction of the corresponding guide rail (10) and is matched with a vertical transmission rod (13); one end of the vertical transmission rod (13) is an active driving end and is provided with a straight gear which is in transmission fit with the straight rack (12), and the other end of the vertical transmission rod is a passive driving end and is driven by a corresponding servo motor (11).
5. The balance system for automatically adjusting elevator car imbalance of claim 4, wherein: a driven driving end of the vertical transmission rod (13) and a rotating shaft of the servo motor (11) are respectively provided with a conical gear; and a vertical transmission rod (13) of the rear sliding block (8) and a corresponding servo motor (11) form transmission fit through mutually meshed conical gears.
6. The balance system for automatically adjusting elevator car imbalance of claim 5, wherein: the side sliding blocks (9) on the left side and the right side of the lift car (2) move in the same direction under the drive of the same servo motor (11); the servo motor (11) synchronously drives two horizontal transmission rods (14) symmetrically arranged at two sides of the servo motor and drives a vertical transmission rod (13) corresponding to the side sliding block (9) through the horizontal transmission rods (14); two ends of the horizontal transmission rod (14) are respectively provided with a conical gear.
7. The balance system for automatically adjusting elevator car imbalance of claim 6, wherein: the lower side of the conical gear of the horizontal transmission rod (14) is meshed with the inner side of the conical gear of the corresponding vertical transmission rod (13), and the tooth surface directions of the straight racks (12) of the side sliding blocks (9) on the left side and the right side of the lift car (2) are the same.
8. The balance system for automatically adjusting elevator car imbalance of claim 7, wherein: the vertical transmission rod (13) and the horizontal transmission rod (14) are respectively matched with a mounting bracket (15) and are rotatably fixed on the outer wall of the lift car (2) through the mounting brackets (15).
CN201921038529.7U 2019-07-05 2019-07-05 Balance system for automatically adjusting unbalance loading of elevator car Withdrawn - After Issue CN210236819U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201921038529.7U CN210236819U (en) 2019-07-05 2019-07-05 Balance system for automatically adjusting unbalance loading of elevator car

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201921038529.7U CN210236819U (en) 2019-07-05 2019-07-05 Balance system for automatically adjusting unbalance loading of elevator car

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CN210236819U true CN210236819U (en) 2020-04-03

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CN201921038529.7U Withdrawn - After Issue CN210236819U (en) 2019-07-05 2019-07-05 Balance system for automatically adjusting unbalance loading of elevator car

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110228745A (en) * 2019-07-05 2019-09-13 日立电梯(成都)有限公司 A kind of balance system of adjust automatically lift car unbalance loading
CN112850386A (en) * 2020-11-12 2021-05-28 泰州程顺制冷设备有限公司 Parameter adjusting system for lift car of lifting elevator
JP7485182B1 (en) 2023-09-07 2024-05-16 フジテック株式会社 Method and program for deriving installation patterns

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110228745A (en) * 2019-07-05 2019-09-13 日立电梯(成都)有限公司 A kind of balance system of adjust automatically lift car unbalance loading
CN110228745B (en) * 2019-07-05 2024-02-09 日立电梯(成都)有限公司 Balance system for automatically adjusting unbalanced load of elevator car
CN112850386A (en) * 2020-11-12 2021-05-28 泰州程顺制冷设备有限公司 Parameter adjusting system for lift car of lifting elevator
CN112850386B (en) * 2020-11-12 2021-11-19 北京燕园图新电梯自动化技术有限公司 Parameter adjusting system for lift car of lifting elevator
JP7485182B1 (en) 2023-09-07 2024-05-16 フジテック株式会社 Method and program for deriving installation patterns

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