CN105035915B - Automatically adjust the lift appliance of car gravity balance - Google Patents

Abstract

The invention relates to an elevator device for automatically adjusting the balance of the car's center of gravity, which includes a car, a balance sensor arranged on the car, at least two liquid storage tanks, a controller electrically connected with the balance sensor, and a The connected infusion pump and the liquid storage tank are arranged on the side wall of the car. Each liquid storage tank is equipped with an infusion tube. A control valve that is electrically connected. Detect the balance of the car through the balance sensor, and send the detection information to the controller. The controller controls the infusion pump to work according to the collected information, and controls the opening and closing of the control valves on different interfaces and the infusion according to the direction and size to be compensated. The direction and flow rate of the pump make the liquid flow through the infusion pipe to the liquid storage tank on the light side of the car, so that the car can be kept in balance, the friction between the guide shoe and the guide rail can be reduced, and the comfort of passengers can be improved. , prolong the service life of the elevator.

Description

Elevator device that automatically adjusts the balance of the car's center of gravity

technical field

The invention relates to the technical field of elevator balance, in particular to an elevator device for automatically adjusting the center of gravity balance of a car.

Background technique

With the development of society, there are more and more applications of elevators in high-rise buildings, and at the same time, users have higher and higher service requirements for elevators. However, as the load capacity of the elevator increases and the floor height of the elevator continues to increase, the longer the length of the guide rail that limits the running track of the car, the greater the position error between the guide rail and the center line of the car running, and the wider the car , the more chances of uneven weight distribution of passengers and accompanying objects, the guide shoe tends to tend to the side with heavy weight of the car, resulting in increased friction between the car guide shoe and guide rail, which affects the comfort of operation, and makes the Mechanical and electrical components such as guide shoes, wire ropes, traction machines, and traction machine drive modules of the elevator increase wear and tear, reducing the service life of the elevator. At the same time, the vibration energy will also pass through the bracket of the guide rail, forming noise, which will be transmitted to the room of the households, affecting their lives.

Contents of the invention

The object of the present invention is to provide an elevator device that automatically adjusts the balance of the car's center of gravity, which can maintain the balance of the elevator's center of gravity, improve the comfort of taking the elevator, and prolong the service life of the elevator.

For realizing the purpose of the present invention, the technical scheme that takes is:

An elevator device for automatically adjusting the balance of the car's center of gravity, including a car, a balance sensor arranged on the car, at least two liquid storage tanks, a controller electrically connected to the balance sensor, and an infusion fluid electrically connected to the controller The pump and the liquid storage tank are arranged on the side wall of the car. Each liquid storage tank is equipped with a liquid and an infusion tube. The infusion pump is provided with an interface corresponding to the infusion tube. Electrically connected control valves.

When the weight distribution inside the car is uneven, the center of gravity of the car will shift. The balance sensor will detect the balance of the car and send the detection information to the controller. The controller will control the infusion pump to work according to the collected information, and According to the direction and size to be compensated, control the opening and closing of the control valves on different interfaces, as well as the direction and flow of the infusion pump, so that the liquid flows through the infusion tube to the liquid storage tank on the light side of the car, so that the car Maintain balance, reduce the friction between the guide shoe and the guide rail, reduce noise, improve the comfort of passengers when taking the elevator, and reduce the mechanical and electrical components such as the guide shoe, wire rope, traction machine, and traction machine drive module of the elevator. wear and prolong the service life of the elevator.

The technical scheme is further described below:

Further, the elevator device for automatically adjusting the balance of the center of gravity of the car includes four liquid storage tanks arranged at different positions on the side wall of the car, and the four liquid storage tanks include the first liquid storage tank and the first liquid storage tank which are symmetrically arranged around the center of gravity of the car. The second liquid storage tank, the third liquid storage tank and the fourth liquid storage tank are symmetrically arranged around the center of gravity of the car. The four liquid storage tanks are set at different positions on the side wall of the car, and every two liquid storage tanks are arranged symmetrically with the center of gravity of the car, which is conducive to the adjustment of the car in different directions after the car is unbalanced, and the adjustment is more accurate. Keep the car balanced, improve the comfort of passengers when taking the elevator, and prolong the service life of the elevator.

Further, the infusion pump is provided with a first interface corresponding to the first liquid storage tank, a second interface corresponding to the second liquid storage tank, a third interface corresponding to the third liquid storage tank, and a third interface corresponding to the fourth liquid storage tank. corresponding to the fourth interface. The flow of liquid to the liquid storage tanks in different positions is controlled by an infusion pump. The infusion pump adopts an integrated single multi-channel bidirectional control form, and the control is simple and flexible.

Further, the infusion pump includes a first infusion pump corresponding to the first liquid storage tank, a second infusion pump corresponding to the second liquid storage tank, a third infusion pump corresponding to the third liquid storage tank, and a fourth liquid storage tank. The fourth infusion pump corresponding to the liquid tank, the first infusion pump, the second infusion pump, the third infusion pump and the fourth infusion pump are respectively connected to the corresponding infusion tubes, the first infusion pump, the second infusion pump, and the third infusion pump It is connected with the fourth infusion pump through an infusion tube. The liquid weight of each liquid storage tank is equipped with an infusion pump to control.

Further, the elevator device for automatically adjusting the balance of the center of gravity of the car includes three liquid storage tanks arranged at different positions on the side wall of the car. The three liquid storage tanks cooperate to form a triangle, and the center of the triangle coincides with the center of gravity of the car. The three liquid storage tanks are set at different positions on the side wall of the car, and the center of the triangle formed by the cooperation of the three liquid storage tanks coincides with the center of gravity of the car, which is conducive to the adjustment of the car to different directions after the imbalance, and the adjustment is more accurate. Precise to keep the car in balance, improve the comfort of passengers in the elevator, and prolong the service life of the elevator.

Further, the balance sensor is a distance detector, the elevator is provided with a guide rail, the car is provided with a guide shoe that fits in a gap with the guide rail, and the opposite surface of the guide shoe and the guide rail is provided with a distance detector. If the center of gravity of the car is shifted, the distance between the guide shoe and the guide rail on the side where the car is shifted will decrease, and the distance on the other side will increase. The position distance between the guide shoe and the guide rail is directly detected by the distance detector, and the detected information is sent to the controller for adjustment, so that the processing of the controller is simpler and the adjustment is more timely.

Further, the end of the infusion tube away from the infusion pump is located at the bottom of the corresponding liquid storage tank. The liquid flows from the infusion tube to the bottom of the liquid storage tank, making the compensation control more accurate.

Further, the elevator device for automatically adjusting the center of gravity balance of the car also includes a liquid level detector arranged in the liquid storage pipe, and the liquid level detector is electrically connected with the controller. When the liquid level detector detects that the liquid height in the liquid storage tank reaches the predetermined high level, it will send the information to the controller, and the controller will drive the corresponding infusion pump to stop working and close the control valve to avoid excessive liquid input; when the liquid level When the detector detects that the height of the liquid in the liquid storage tank is lower than the predetermined low level, the controller will drive the corresponding infusion pump to stop working to avoid sucking liquid and keep the liquid capacity in the liquid storage tank within a safe range.

Compared with the prior art, the present invention has the following beneficial effects:

The invention detects the balance of the car through the balance sensor, and sends the detection information to the controller. The controller controls the infusion pump to work according to the collected information, and controls the opening and closing of the control valves on different interfaces according to the direction and size of compensation. , as well as the direction and flow rate of the infusion pump, so that the liquid flows through the infusion tube to the liquid storage tank on the light side of the car, so that the car can be kept in balance, the friction between the guide shoe and the guide rail can be reduced, the noise can be reduced, and the Improve the comfort of passengers in the elevator, reduce the wear and tear of mechanical and electrical components such as elevator guide shoes, wire ropes, traction machines, and traction machine drive modules, and prolong the service life of the elevator.

Description of drawings

Fig. 1 is the first schematic structural view of an elevator device for automatically adjusting the center of gravity balance of a car in an embodiment of the present invention;

Fig. 2 is a second structural schematic diagram of an elevator device that automatically adjusts the balance of the car's center of gravity according to an embodiment of the present invention;

Fig. 3 is the installation schematic diagram of guide rail and guide shoe of the embodiment of the present invention;

Fig. 4 is a schematic structural diagram of a liquid storage tank according to an embodiment of the present invention.

Explanation of reference signs:

10. car, 110. guide shoe, 20. balance sensor, 30. liquid storage tank, 301. infusion tube, 310. first liquid storage tank, 320. second liquid storage tank, 330. third liquid storage tank, 340. Fourth liquid storage tank, 40. Infusion pump, 401. Interface, 4011. First interface, 4012. Second interface, 4013. Third interface, 4014. Fourth interface, 410. First infusion pump, 420. The second infusion pump, 430. the third infusion pump, 440. the fourth infusion pump, 50. the guide rail, 60. the liquid level detector.

Detailed ways

Embodiments of the present invention are described in detail below in conjunction with accompanying drawings:

As shown in Figures 1 to 3, an elevator device for automatically adjusting the balance of the car's center of gravity includes a car 10, a balance sensor 20 disposed on the car 10, and at least two liquid storage tanks 30, which are electrically connected to the balance sensor 20. A controller (not marked in the accompanying drawings), an infusion pump 40 electrically connected to the controller, a liquid storage tank 30 is arranged on the side wall of the car 10, and each liquid storage tank 30 is provided with liquid and infusion fluid The tube 301 and the infusion pump 40 are provided with interfaces 401 corresponding to the infusion tube 301 one-to-one, and each interface 401 is provided with a control valve (not marked in the drawings) electrically connected to the controller.

When the weight distribution inside the car 10 is uneven, the center of gravity of the car 10 will shift, and the balance sensor 20 will detect the balance of the car 10, and send the detection information to the controller, and the controller will control the infusion according to the collected information The pump 40 works, and controls the opening and closing of the control valves on different interfaces 401, as well as the direction and flow rate of the infusion pump 40 according to the direction and size to be compensated, so that the liquid passes through the infusion tube 301 to the light side of the car 10 The liquid storage tank 30 flows to keep the car 10 balanced, reduce the friction between the guide shoe 110 and the guide rail 50, reduce noise, improve the comfort of passengers when taking the elevator, and reduce the elevator guide shoe 110, wire rope, and drag. Wear and tear of mechanical and electrical components such as the traction machine and traction machine drive module prolong the service life of the elevator.

In this embodiment, as shown in Figures 1 and 2, the elevator device for automatically adjusting the balance of the car's center of gravity includes four liquid storage tanks 30 arranged at different positions on the side wall of the car 10, and the four liquid storage tanks 30 include the following: The center of gravity of the car 10 is a first liquid storage tank 310 and a second liquid storage tank 320 , and the center of gravity of the car 10 is a third liquid storage tank 330 and a fourth liquid storage tank 340 . The four liquid storage tanks 30 are arranged at different positions on the side wall of the car 10, and every two liquid storage tanks 30 are arranged symmetrically with the center of gravity of the car 10, which is beneficial to the adjustment of the car 10 to different directions after it is out of balance, and The adjustment is more precise, the car 10 is kept in balance, the comfort of the passengers is improved, and the service life of the elevator is prolonged.

The elevator device that automatically adjusts the balance of the car's center of gravity can also be provided with two liquid storage tanks 30 according to actual needs, and the two liquid storage tanks 30 are symmetrically arranged on the side wall of the car 10 with the center of gravity of the car 10 . The elevator device that automatically adjusts the balance of the center of gravity of the car can also be provided with three liquid storage tanks 30 according to actual needs. The three liquid storage tanks 30 are respectively arranged on the three side walls of the car 10, and the three liquid storage tanks 30 cooperate to form a triangle , the center of the triangle coincides with the center of gravity of the car 10 .

In this embodiment, as shown in FIG. 1 , the infusion pump 40 includes a first infusion pump 410 corresponding to the first liquid storage tank 310 , a second infusion pump 420 corresponding to the second liquid storage tank 320 , a third infusion pump 420 corresponding to the The third infusion pump 430 corresponding to the liquid tank 330, the fourth infusion pump 440 corresponding to the fourth liquid storage tank 340, the first infusion pump 410, the second infusion pump 420, the third infusion pump 430 and the fourth infusion pump 440 are respectively Connected to the corresponding infusion tube 301 , the first infusion pump 410 , the second infusion pump 420 , the third infusion pump 430 and the fourth infusion pump 440 are connected to each other through the infusion tube 310 .

As shown in Figure 2, the elevator device that automatically adjusts the balance of the car's center of gravity can also be provided with only one infusion pump 40 according to actual needs. The second interface 4012 corresponding to the liquid tank 320 , the third interface 4013 corresponding to the third liquid storage tank 330 , and the fourth interface 4014 corresponding to the fourth liquid storage tank 340 . An infusion pump 40 is used to control the flow of liquid to the liquid storage tanks 30 at different locations. The infusion pump 40 adopts an integrated single multi-channel bidirectional control form, and the control is simple and flexible.

As shown in FIG. 3 , the balance sensor 20 is a distance detector, and the elevator is provided with a guide rail 50 which is in clearance fit with the guide shoe 110 , and a distance detector is provided on the opposite surface of the guide shoe 110 and the guide rail 50 . If the center of gravity of the car 10 deviates, the distance between the guide shoes 110 on the side where the car 10 deviates and the guide rail 50 will decrease, and the distance on the other side where the car 10 deviates will increase. The positional distance between the guide shoe 110 and the guide rail 50 is directly detected by the distance detector, and the detected information is sent to the controller for adjustment, so that the processing of the controller is simpler and the adjustment is more timely.

As shown in FIG. 4 , the end of the infusion tube 301 away from the infusion pump 40 is located at the bottom of the corresponding liquid storage tank 30 . The liquid flows into the bottom of the liquid storage tank 30 from the infusion tube 301, so that the compensation control is more accurate.

As shown in FIG. 4 , the elevator device for automatically adjusting the balance of the center of gravity of the car also includes a liquid level detector 60 disposed in the liquid storage pipe, and the liquid level detector 60 is electrically connected to the controller. When the liquid level detector 60 detects that the liquid level in the liquid storage tank 30 reaches a predetermined high level, the information is sent to the controller, and the controller drives the corresponding infusion pump 40 to stop working and the control valve to close, so as to avoid excessive liquid input; When the liquid level detector 60 detects that the liquid level in the liquid storage tank 30 is lower than the predetermined low level value, the corresponding infusion pump 40 is driven to work by the controller to avoid heavy suction of the liquid and keep the liquid capacity in the liquid storage tank 30 at within the safe range.

In this embodiment, as shown in Figure 4, the liquid level detector 60 includes a high liquid level detector and a low liquid level detector, the high liquid level detector is arranged on the side near the top of the liquid storage tank 30, and the low liquid level detector The position detector is arranged on the side of the liquid storage tank 30 close to the bottom. The liquid level detector 60 can also adopt other forms according to actual needs.

The present invention detects the balance of the car 10 through the balance sensor 20, and sends the detection information to the controller, and the controller controls the infusion pump 40 to work according to the collected information, and controls the control valves on different interfaces 401 according to the direction and size to be compensated The opening and closing of the infusion pump 40, as well as the direction and flow rate of the infusion pump 40, make the liquid flow through the infusion tube 301 to the liquid storage tank 30 on the light side of the car 10, so that the car 10 is kept balanced, and the guide shoe 110 and the guide rail are reduced. The friction between 50 can reduce noise, improve the comfort of passengers when taking the elevator, and reduce the wear of mechanical and electrical components such as the guide shoe 110, steel wire rope, traction machine, and traction machine drive module of the elevator, and prolong the use of the elevator life.

The technical features of the above-mentioned embodiments can be combined arbitrarily, including adding a liquid storage tank 30 at the center of the infusion tube 70, adding a manual drive switch at the infusion pump 40, etc. All possible combinations of the various technical features are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered as within the scope of this specification.

The above-mentioned embodiments only express several implementation modes of the present invention, and the descriptions thereof are relatively specific and detailed, but should not be construed as limiting the patent scope of the invention. It should be pointed out that those skilled in the art can make several modifications and improvements without departing from the concept of the present invention, and these all belong to the protection scope of the present invention. Therefore, the protection scope of the patent for the present invention should be based on the appended claims.

Claims (11)

1. An elevator device for automatically adjusting the balance of the center of gravity of the car, characterized in that it comprises a car, a balance sensor located on the car, and four liquid storage tanks, a controller electrically connected with the balance sensor . An infusion pump electrically connected to the controller, the liquid storage tank is arranged on the side wall of the car, each of the liquid storage tanks is provided with a liquid and an infusion tube, and the infusion pump is set There are four interfaces, the interfaces are connected to the infusion tubes one by one, and each of the interfaces is provided with a control valve electrically connected to the controller; The four liquid storage tanks include a first liquid storage tank and a second liquid storage tank that are symmetrically arranged around the center of gravity of the car, and are symmetrically arranged around the center of gravity of the car. The third liquid storage tank and the fourth liquid storage tank; the infusion pump is provided with a first interface corresponding to the first liquid storage tank, a second interface corresponding to the second liquid storage tank, and a The third interface corresponding to the third liquid storage tank, and the fourth interface corresponding to the fourth liquid storage tank. 2. The elevator device for automatically adjusting the balance of the center of gravity of the car according to claim 1, wherein the balance sensor is a distance detector, the elevator is provided with a guide rail, and the car is provided with a gap matching with the guide rail. A guide shoe, the distance detector is provided on the opposite surface of the guide shoe and the guide rail. 3. The elevator device for automatically adjusting the center of gravity balance of the car according to claim 1, wherein the end of the infusion tube away from the infusion pump is located at the bottom corresponding to the liquid storage tank. 4. The elevator device for automatically adjusting the balance of the center of gravity of the car according to claim 1, further comprising a liquid level detector arranged in the liquid storage tank, the liquid level detector and the controller electrical connection. 5. An elevator device for automatically adjusting the balance of the car's center of gravity, characterized in that it includes a car, a balance sensor disposed on the car, at least two liquid storage tanks, and a control device electrically connected to the balance sensor device, at least two infusion pumps electrically connected to the controller, and a first infusion tube, the liquid storage tanks are arranged on the side wall of the car, and each of the liquid storage tanks is provided with liquid and the second infusion tube, the infusion pump is provided with two interfaces, one interface of the infusion pump is connected to the second infusion tube, and the other interface of the infusion pump is connected to the first infusion tube and passed through the first infusion tube The tubes communicate with each other, and control valves electrically connected to the controller are provided at the interface between the infusion pump and the second infusion tube. 6. The elevator device for automatically adjusting the balance of the center of gravity of the car according to claim 5, characterized in that it includes four said liquid storage tanks arranged at different positions on the side wall of the car, and the four said liquid storage tanks It includes a first liquid storage tank and a second liquid storage tank symmetrically arranged around the center of gravity of the car, a third liquid storage tank and a fourth liquid storage tank symmetrically arranged around the center of gravity of the car. 7. The elevator device for automatically adjusting the balance of the center of gravity of the car according to claim 6, wherein the infusion pump includes a first infusion pump corresponding to the first liquid storage tank, and a first liquid infusion pump corresponding to the second liquid storage tank. The second infusion pump corresponding to the tank, the third infusion pump corresponding to the third liquid storage tank, the fourth infusion pump corresponding to the fourth liquid storage tank, the first infusion pump, the second infusion pump pump, the third infusion pump and the fourth infusion pump are respectively connected to the corresponding second infusion tube, the first infusion pump, the second infusion pump, the third infusion pump and the The fourth infusion pumps are connected to each other through the first infusion tube. 8. The elevator device for automatically adjusting the balance of the car's center of gravity according to claim 5, characterized in that it comprises three said liquid storage tanks arranged at different positions on the side wall of said car, and said three said liquid storage tanks The fit forms a triangle whose center coincides with the center of gravity of the car. 9. The elevator device for automatically adjusting the balance of the center of gravity of the car according to any one of claims 5 to 8, wherein the balance sensor is a distance detector, the elevator is provided with a guide rail, and the car is provided with a A guide shoe that fits loosely with the guide rail, and the distance detector is provided on the opposite surface of the guide shoe and the guide rail. 10. The elevator device for automatically adjusting the balance of the center of gravity of the car according to any one of claims 5 to 8, wherein the end of the infusion tube away from the infusion pump is located at the bottom corresponding to the liquid storage tank. 11. The elevator device for automatically adjusting the balance of the center of gravity of the car according to any one of claims 5 to 8, further comprising a liquid level detector arranged in the liquid storage tank, and the liquid level detector Electrically connected with the controller.