CN212269166U

CN212269166U - Elevator traction balance system

Info

Publication number: CN212269166U
Application number: CN202020694420.5U
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: 2021-01-01
Anticipated expiration: 2030-04-30

Abstract

The utility model discloses an elevator tows balanced system, including being used for installing fixed base, be provided with first pivot and second pivot on the base mutually in parallel, first pivot level just rotationally sets up on the base to it is connected with first pivot transmission to set up the hauler on the base, the base has on the base, is provided with gliding guide holder from top to bottom on the base, the second pivot rotationally sets up on the guide holder, and sets up flexible drive arrangement drive guide holder and move from top to bottom, be provided with first drive gear in the first pivot, be provided with second drive gear in the second pivot, first drive gear and second drive gear meshing transmission, just be provided with the take-up reel in the first pivot, be provided with the driving sheave in the second pivot, the take-up reel sets up with the driving sheave relatively. The utility model discloses can effectively realize constantly keep balance with car weight, reduce the hauler consumption, energy-concerving and environment-protective.

Description

Elevator traction balance system

Technical Field

The utility model relates to an elevator technical field, especially an elevator tows balanced system.

Background

The existing traction type passenger elevator adopts a car and a balance weight (also called a counterweight) to carry out balance driving according to a required weight proportion relationship, and the car and the counterweight move up and down relatively in a hoistway. The counterweight occupies the space of the shaft, and the total mass of the car can change along with the change of the load, so that the equal balance of the left side and the right side can not be achieved.

The technology removes a counterweight frame balancing mode with fixed weight, saves well space without counterweight mode, dynamically applies balancing force, can effectively keep balance with the weight of the lift car all the time, reduces the power consumption of the traction machine, and is energy-saving and environment-friendly.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a: the elevator traction balance system can effectively keep balance with the weight of a car all the time, reduces the power consumption of a traction machine, and is energy-saving and environment-friendly.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides an elevator tows balanced system, is including being used for the fixed base of installation, be provided with first pivot and second pivot on the base mutually parallel, first pivot level just rotationally sets up on the base to set up the hauler on the base and be connected with first pivot transmission, the base has, is provided with gliding guide holder from top to bottom on the base, the second pivot rotationally sets up on the guide holder, and sets up flexible drive arrangement drive guide holder and move from top to bottom, be provided with first transmission gear in the first pivot, be provided with second drive gear in the second pivot, first transmission gear and second drive gear meshing transmission, just be provided with the take-up reel in the first pivot, be provided with the driving sheave in the second pivot, the take-up reel sets up with the driving sheave relatively.

On the basis of the above scheme and as a preferable scheme of the scheme: the telescopic driving device is an oil hydraulic cylinder or a motor thrust cylinder.

On the basis of the above scheme and as a preferable scheme of the scheme: the base has two, sets up respectively at the both ends direction of second pivot, and the base has the ascending U type groove of an opening, the both sides in U type groove are provided with vertical direction slide rail, the guide holder sets up in U type groove, and the both sides of guide holder set up direction spout and direction slide rail sliding fit, flexible drive arrangement fixes on the base, and is connected flexible drive arrangement's expansion end and guide holder.

On the basis of the above scheme and as a preferable scheme of the scheme: and the second rotating shaft is in transitional connection with the guide seat through a bearing.

On the basis of the above scheme and as a preferable scheme of the scheme: the first rotating shaft is in transition connection with the base through a bearing.

On the basis of the above scheme and as a preferable scheme of the scheme: the traction machine comprises a permanent magnet synchronous motor for driving.

On the basis of the above scheme and as a preferable scheme of the scheme: the height position of the second rotating shaft is lower than that of the first rotating shaft.

The beneficial effects of the utility model reside in that:

the utility model discloses an elevator tows balanced system and has got rid of the balanced mode of the fixed counterweight housing of weight, and the well space has been saved to no counterweight form, and the equilibrium power is applyed to the developments simultaneously, can effectively realize constantly keep balance with car weight, reduces the hauler consumption, and is energy-concerving and environment-protective.

When the traction rope is used, one end of the traction rope is fixed on the take-up reel 10, and then the traction rope winds through the traction wheel and is fixedly connected with the elevator car at the other end. The weighing device or the pressure sensor for detecting the total mass change of the car is arranged at the car direction end, the force is applied to the direction of the second transmission shaft in a mode that the telescopic driving device 7 drives the guide seat to slide downwards after the car mass data is obtained, and the car direction end and the take-up reel direction end reach stress balance under the action of the telescopic driving device 7, so that the tractor 4 can pull the car upwards only by providing a small force. The car can also be lowered balanced in the manner described above to help the machine overcome the effect of gravity on the car.

Drawings

Fig. 1 is a schematic structural view of an elevator traction balance system of the utility model;

fig. 2 is an assembly and disassembly schematic view of the elevator traction balance system of the utility model;

fig. 3 is an application schematic diagram of the elevator traction balance system of the present invention;

in the figure: the traction device comprises a base-1, a first rotating shaft-2, a second rotating shaft-3, a traction machine-4, a base-5, a guide seat-6, a telescopic driving device-7, a first transmission gear-8, a second transmission gear-9, a take-up reel-10, a traction sheave-11, a U-shaped groove-12, a guide sliding rail-13, a directional sliding groove-14, a bearing-15, a traction rope-16 and a car-17.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings, and it is to be understood that the described embodiments are only some embodiments, but not all embodiments of the present invention.

Referring to fig. 1-3, an elevator traction balance system comprises a base 1 for installation and fixation, a first rotating shaft 2 and a second rotating shaft 3 are arranged on the base 1 in parallel, the first rotating shaft 2 is horizontally and rotatably arranged on the base 1, a traction machine 4 is arranged on the base 1 and is in transmission connection with the first rotating shaft 2, a base 5 is arranged on the base 1, a guide seat 6 capable of sliding up and down is arranged on the base 5, the second rotating shaft 3 is rotatably arranged on the guide seat 6, a telescopic driving device 7 is arranged to drive the guide seat 6 to move up and down, a first transmission gear 8 is arranged on the first rotating shaft 2, a second transmission gear 9 is arranged on the second rotating shaft 3, the first transmission gear 8 is in meshing transmission with the second transmission gear 9, a take-up reel 10 is arranged on the first rotating shaft 2, and a traction wheel 11 is arranged on the second rotating shaft 3, the take-up reel 10 is arranged opposite to the traction sheave 11.

The utility model discloses an elevator tows balanced system when using, 16 one ends of towline are fixed on take-up reel 10, then around the traction sheave and with the other end and elevator car 17 fixed connection. The weighing device or the pressure sensor for detecting the total mass change of the car is arranged at the car direction end, the force is applied to the direction of the second transmission shaft in a mode that the telescopic driving device 7 drives the guide seat to slide downwards after the car mass data is obtained, and the car direction end and the take-up reel direction end reach stress balance under the action of the telescopic driving device 7, so that the tractor 4 can pull the car upwards only by providing a small force. The car can also be lowered balanced in the manner described above to help the machine overcome the effect of gravity on the car. And further improves the balance effect of the counterweight by arranging the height position of the second rotating shaft 3 to be lower than that of the first rotating shaft 2. The work required by the traction machine 4 for controlling the lift of the lift car is reduced through the mode, so that the effects of energy conservation and environmental protection are achieved. The traction machine 4 can be further arranged for driving the variable frequency motor to obtain better energy-saving effect.

Further, in order to facilitate the force application control of the telescopic driving device 7, the telescopic driving device 7 is a hydraulic cylinder or a motor thrust cylinder.

Further, base 5 has two, sets up respectively in the both ends direction of second pivot 3, and base 5 has an ascending U type groove 12 of opening, the both sides of U type groove 12 are provided with vertical direction slide rail 13, guide holder 6 sets up in U type groove 12, and the both sides of guide holder 6 set up direction spout 14 and direction slide rail 13 sliding fit, flexible drive arrangement 7 is fixed on base 5, and is connected flexible drive arrangement 7's expansion end and guide holder 6. The arrangement ensures the moving space of the guide seat 6 and has the characteristics of stable and reliable structure.

Wherein, for the guarantee first pivot 2 and the smooth rotation of second pivot 3, reduce the frictional resistance that rotates and receive, pass through bearing 15 transitional coupling between second pivot 3 and the guide holder 6. The first rotating shaft 2 and the base 1 can also be transitionally connected through a bearing 15.

Wherein the traction machine 4 comprises a permanent magnet synchronous motor for driving.

To sum up, the utility model discloses the scheme carries out the pressure that flexible drive arrangement 7 exerted according to car weight, constantly keeps with car weight balance, keeps the interval balance between first drive gear-8 and the second drive gear-9, ensures between first drive gear-8 and the second drive gear-9 that the cooperation is not loose, not tight, and the transmission is steady, and wherein, under flexible drive arrangement 7's effect, 11 both sides direction forces of driving sheave are balanced, and the unbalanced force of whole system need not be overcome in the time of the traction operation. Meanwhile, the operation of the traction machine is used as rope winding driving power. The balance mode of the counterweight frame with fixed weight is eliminated, the hoistway space is saved without the counterweight mode, and meanwhile, the balance force is dynamically exerted, so that the balance with the weight of the lift car can be effectively kept constantly, the power consumption of the traction machine is reduced, and the traction machine is energy-saving and environment-friendly.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. An elevator traction balance system comprises a base (1) for installation and fixation, and is characterized in that a first rotating shaft (2) and a second rotating shaft (3) are arranged on the base (1) in parallel, the first rotating shaft (2) is horizontally and rotatably arranged on the base (1), a traction machine (4) is arranged on the base (1) and is in transmission connection with the first rotating shaft (2), a base (5) is arranged on the base (1), a guide seat (6) capable of sliding up and down is arranged on the base (5), the second rotating shaft (3) is rotatably arranged on the guide seat (6), a telescopic driving device (7) is arranged to drive the guide seat (6) to move up and down, a first transmission gear (8) is arranged on the first rotating shaft (2), a second transmission gear (9) is arranged on the second rotating shaft (3), and the first transmission gear (8) is in meshing transmission with the second transmission gear (9), and a take-up reel (10) is arranged on the first rotating shaft (2), a traction sheave (11) is arranged on the second rotating shaft (3), and the take-up reel (10) and the traction sheave (11) are oppositely arranged.

2. The elevator traction balancing system of claim 1, wherein: the telescopic driving device (7) is an oil hydraulic cylinder or a motor thrust cylinder.

3. The elevator traction balancing system of claim 1, wherein: base (5) have two, set up the both ends direction in second pivot (3) respectively, and base (5) have one opening U type groove (12) ascending, the both sides of U type groove (12) are provided with vertical direction slide rail (13), guide holder (6) set up in U type groove (12), and the both sides of guide holder (6) set up direction spout (14) and direction slide rail (13) sliding fit, flexible drive arrangement (7) are fixed on base (5), and are connected the expansion end of flexible drive arrangement (7) and guide holder (6).

4. The elevator traction balancing system of claim 1, wherein: the second rotating shaft (3) is in transition connection with the guide seat (6) through a bearing (15).

5. The elevator traction balancing system of claim 1, wherein: the first rotating shaft (2) is in transition connection with the base (1) through a bearing (15).

6. The elevator traction balancing system of claim 1, wherein: the traction machine (4) comprises a permanent magnet synchronous motor for driving.

7. The elevator traction balancing system of claim 1, wherein: the height position of the second rotating shaft (3) is lower than that of the first rotating shaft (2).