CN218320105U

CN218320105U - Elevator car dynamic balance adjusting device

Info

Publication number: CN218320105U
Application number: CN202220364914.6U
Authority: CN
Inventors: 张伟能; 张建雨; 莫灿均
Original assignee: Siglen Elevator China Co ltd
Current assignee: Singerlin Elevator Co ltd
Priority date: 2022-02-22
Filing date: 2022-02-22
Publication date: 2023-01-17
Anticipated expiration: 2032-02-22

Abstract

The dynamic balance adjusting device for the elevator car comprises a car bottom assembly, wherein the car bottom assembly is used for being connected with an elevator car frame and comprises a bearing frame and a car chassis positioned above the bearing frame, and a plurality of load monitoring modules are arranged on the top of the bearing frame; the load monitoring module is connected with a data processing module; and a balance adjusting unit is arranged at the bottom of the bearing frame. When the data processing module judges that the elevator exceeds the preset threshold value unbalance loading condition, the data processing module can stop the elevator from running, the data processing module warns passengers in the elevator through the alarm module, reminds the passengers to adjust self station positions or adjust the stacking positions of goods, and simultaneously utilizes the balance adjusting unit to eliminate or reduce the car unbalance loading to achieve the effect of automatically adjusting balance.

Description

Elevator car dynamic balance adjusting device

Technical Field

The utility model relates to an elevator technical field, concretely relates to elevator car dynamic balance adjusting device.

Background

With the increasing shortage of land resources, various buildings are developed to high altitude, elevators are indispensable transportation tools of high-rise buildings, and the safety of the elevators is very important due to the particularity of the working environment of the elevators.

In order to prevent the elevator from running in an overload state, an overload detection device for detecting the load of the elevator is usually arranged on the elevator, and when the elevator is detected to be overloaded, the elevator cannot be started and people in the elevator are warned through sound alarm. However, the existing elevator mainly detects the whole weight of the elevator, if the goods are placed unevenly, the stress on the car bottom is uneven, the load in the elevator deviates to one side in the car, and the whole weight does not exceed a threshold value, the elevator can still be started, so that the car has an unbalance load phenomenon, and the car has a serious unbalanced stress phenomenon in the lifting process.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects of the prior art, the utility model provides an elevator car dynamic balance adjusting device.

The utility model provides a technical scheme that its technical problem adopted is:

a dynamic balance adjusting device for an elevator car comprises a car bottom assembly, wherein the car bottom assembly is used for being connected with an elevator car frame and comprises a bearing frame and a car chassis positioned above the bearing frame, and the bearing frame is connected with the car chassis through a damping rubber mat; the method is characterized in that: a plurality of load monitoring modules positioned below the car chassis are arranged on the top of the bearing frame, and a detected element matched with the load monitoring modules in detection is fixedly arranged below the car chassis; the load monitoring module is connected with a data processing module for judging whether the unbalance loading condition exceeding a preset threshold value occurs or not, and the data processing module is connected with an alarm module for prompting passengers to have the unbalance loading condition exceeding the preset threshold value in an elevator car; and a balance adjusting unit is arranged at the bottom of the bearing frame and is connected and controlled by the data processing module.

The utility model discloses in, the balance adjustment unit is bilateral symmetry or sets up on the bottom of bearing frame around symmetrical including two at least balance adjustment mechanisms, two balance adjustment units.

The utility model discloses in, balance adjustment mechanism includes through guide rail slidable mounting balanced pouring weight, the actuating mechanism that drives the balanced pouring weight removal on bearing frame bottom, actuating mechanism's output and balanced pouring weight are connected.

The utility model discloses in, actuating mechanism includes drive mechanism, drives the driving motor of drive mechanism work, drive mechanism's output is connected with the transmission of balanced pouring weight, driving motor is connected with data processing module.

The utility model discloses in, load monitoring module is for installing the hall sensor on the bearing frame, it is the magnet piece to be surveyed the component.

The utility model discloses in, data processing module is connected with communication module, communication module is connected with the elevator control system communication of elevator.

The utility model discloses in, all be equipped with a load monitoring module on four corners at bearing frame top, every load monitoring module corresponds to cooperate one the measured element.

The utility model discloses in, alarm module includes light module and speech output module.

The utility model discloses in, data processing module is connected with display module, display module is used for showing the load distribution condition in elevator car.

The utility model has the advantages that: the utility model provides a dynamic balance adjusting device has load monitoring module, data processing module, balance adjustment unit, when data processing module judges out the elevator according to load monitoring module's monitoring data and appears exceeding when predetermineeing the threshold value unbalance loading condition, data processing module can generate unbalance loading alarm signal, makes the elevator stop operation, data processing module warns through alarm module passenger in to the elevator, remind the passenger to adjust self station or adjust the position of stacking of goods, eliminate or reduce the car unbalance loading through balance adjustment unit simultaneously, reach the balanced effect of automatically regulated, this simple structure is effective, balance regulation is effectual, can effectively solve the problem of serious unbalance loading, guarantee elevator operation's security, thereby reduce the fault rate of elevator, reach the life purpose of extension elevator.

Drawings

The invention will be further explained with reference to the drawings and the embodiments below:

FIG. 1 is a connection block diagram of modules in the present embodiment;

FIG. 2 is a schematic view of the interior of the platform assembly;

FIG. 3 is a bottom view of the balance adjustment mechanism;

fig. 4 is a schematic diagram illustrating distribution positions of the load monitoring modules in this embodiment.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings in the embodiments of the present invention are combined below to clearly and completely describe the technical solutions in the embodiments of the present invention.

Referring to fig. 1-4, an elevator car dynamic balance adjusting device comprises a car bottom assembly, wherein the car bottom assembly is used for being connected with an elevator car frame and comprises a bearing frame 1 and a car bottom disc 2 positioned above the bearing frame 1, the car bottom disc 2 is used for installing an elevator car and providing buffering and damping performance for the elevator car, and the bearing frame 1 is connected with the car bottom disc 2 through a damping rubber mat 3; in this embodiment, damping rubber pad 3 has four, sets up respectively on four corners of 2 bottoms on sedan-chair chassis to sedan-chair chassis 2 supports, and provides the absorbing effect of buffering, moreover damping rubber pad 3's upper and lower both ends all are equipped with the connection plate, and two connection plates are used for being connected with sedan-chair chassis 2 and bearing frame 1 through the bolt respectively. The bearing frame is characterized in that a plurality of load monitoring modules 4 located below the car chassis 2 are arranged on the top of the bearing frame 1, a tested element 5 matched with the load monitoring modules 4 in detection is fixedly mounted below the car chassis 2, a detection distance is reserved between the tested element 5 and the load monitoring modules 4, in the embodiment, the load monitoring modules 4 are Hall sensors mounted on the bearing frame 1, the tested element 5 is a magnet block, in the structure, the load monitoring modules 4 and the tested element 5 are in non-contact induction matching for load monitoring, the two are not in contact, and the phenomenon that the load monitoring modules 4 are crushed can be effectively prevented.

Further, the load monitoring module 4 is connected with a data processing module 6 for judging whether the unbalanced load condition exceeding a preset threshold occurs, in this embodiment, the data processing module 6 is a controller installed on the car bottom assembly or the car, the data processing module 6 is connected with a data storage module, and the data storage module is used for storing load detection data, working parameters, reminding audio and the like; the data processing module 6 is connected with an alarm module 7 for prompting passengers to have an unbalanced loading condition exceeding a set threshold value in an elevator car, and the alarm module 7 is arranged in the elevator car, for example, on the car wall of the elevator car.

As a preferred embodiment, a balance adjusting unit 8 is disposed at the bottom of the supporting frame 1, the balance adjusting unit 8 is connected and controlled by the data processing module 6, the balance adjusting unit 8 includes at least two balance adjusting mechanisms, and the two balance adjusting units 8 are disposed on the bottom of the supporting frame 1 in a left-right symmetrical manner or a front-back symmetrical manner. In this embodiment, the balance adjustment mechanism includes a balance weight 81 slidably mounted on the bottom of the support frame 1 through a guide rail 83, and a driving mechanism 82 for driving the balance weight 81 to move, an output end of the driving mechanism 82 is connected to the balance weight 81, and when the data processing module 6 detects that the serious unbalance loading phenomenon occurs, the driving mechanism 82 is controlled to drive the balance weight 81 to move, so as to eliminate or reduce the unbalance loading phenomenon as much as possible, thereby avoiding the problem caused by the serious unbalance loading of the elevator car, and ensuring that the elevator can stably run.

In the above structure, the driving mechanism 82 includes a transmission mechanism and a driving motor for driving the transmission mechanism to work, the transmission mechanism is any one of a screw rod transmission mechanism and a rack-and-pinion transmission mechanism, preferably a screw rod transmission mechanism, the working precision is high, the output end of the transmission mechanism is in transmission connection with the balance weight 81, that is, the screw rod of the transmission mechanism is in transmission connection with the balance weight 81; the driving motor is connected with the data processing module 6, the driving motor is a servo motor, and an output shaft of the driving motor is in transmission connection with the screw rod transmission mechanism.

In a preferred embodiment, the data processing module 6 is connected with a communication module 9, the communication module 9 is in communication connection with an elevator control system 10 of the elevator, when a severe unbalance loading condition occurs, the data processing module 6 sends an alarm signal to the elevator control system 10 through the communication module 9, and the elevator control system 10 does not operate the elevator according to the alarm signal until the load distribution of the elevator is restored to the allowable range position. The communication module 9 is a wireless communication module 9, and the wireless communication module 9 can be connected with an elevator control system 10 or/and a monitoring center or/and a remote service platform; when the elevator has a serious unbalance loading condition, the monitoring center is a monitoring platform of a property company, the remote service platform is a monitoring platform of an elevator manufacturer, and property workers or/and elevator manufacturer workers can know the loading condition of the elevator in real time so as to be convenient for the workers to subsequently maintain the elevator, for example, the position of the elevator, which often has the unbalance loading condition, and a component corresponding to the position are mainly detected. Meanwhile, the working parameters of the data processing module 6 can be set remotely by the staff of the elevator manufacturer, so that the purpose of remotely regulating and controlling the load monitoring device is achieved.

As a preferred embodiment, four corners of the top of the supporting frame 1 are respectively provided with one load monitoring module 4, and each load monitoring module 4 is correspondingly matched with one tested element 5, so that the load distribution state of each position of the platform assembly can be monitored in real time.

In this embodiment, the alarm module 7 includes a light module and a voice output module, when the elevator has an unbalanced load condition exceeding a set threshold, the data processing module 6 sends an unbalanced load alarm signal, the elevator stops running, and meanwhile, the data processing module 6 controls the light module to flash and the voice output module to send a voice prompt to warn passengers in the elevator, so as to remind the passengers to adjust their own station positions or adjust the stacking positions of goods, thereby eliminating or reducing the unbalanced load condition of the elevator car as much as possible, recovering the difference value of the load distribution in the elevator car to an allowable range, and recovering the running of the elevator.

In a preferred embodiment, the data processing module 6 is connected with a display module 20, the display module 20 is a display, the display module 20 is installed in the car, and the display module 20 is used for displaying the load distribution in the elevator car. In addition, in the present embodiment, the first alarm module 7 is disposed on the housing of the display module 20 to simplify installation; first alarm module 7 is including locating the light module on the casing surface, locating the speaker module in the casing, light module, speaker module all are connected with data processing module 6.

As a preferred embodiment, a supporting beam 11 used for being connected with an elevator car frame is arranged at the bottom of the supporting frame 1, an installation chamber is arranged on the supporting beam 11, and the data processing module 6 is arranged in the installation chamber; the car bottom component is provided with an overload detection module 30, the overload detection module 30 is positioned in an enclosure of the bearing frame 1, the overload detection module 30 at least comprises an overload switch, the overload switch of the overload detection module 30 is connected with an elevator control system 10 for controlling the operation of an elevator, when the elevator is overloaded, the elevator control system 10 controls the elevator to stop operating, and the overload detection module 30 is the prior art, so the detailed description is omitted; meanwhile, the overload detection module 30 is also connected with the data processing module 6, when the elevator is overloaded, the data processing module 6 controls the light module to flash light and the voice output module to send out voice to prompt that the current elevator is overloaded, and the safety performance of the elevator can be improved to the maximum extent by combining the load monitoring module 4 with the overload detection module 30.

As a preferred embodiment, the car chassis 2 includes a chassis underframe and a bearing panel 21 arranged on the top of the chassis underframe, the chassis underframe is U-shaped, the chassis frame includes a transverse support beam 22 and longitudinal support beams 23 respectively connected to two ends of the transverse support beam 22, one side of the bearing panel 21, which is far away from the transverse support beam 22, is bent downwards and extends to form a fixed folding edge 24, and the bottom of the fixed folding edge 24 is bent towards the horizontal direction and extends to form a reinforcing folding edge 25, so that the fixed folding edge 24 on the bearing panel 21 plays a role of the transverse support beam 22, the structure is simple, and the structure of the car chassis 2 can be effectively simplified. In this embodiment, the measured element 5 is fixedly mounted on the bottom of the longitudinal support beam 23 by a fitting bolt.

In this embodiment, be provided with a plurality of chassis strengthening ribs 26 between two vertical corbels 23, the top and the bottom of bearing panel 21 of chassis strengthening rib 26 are connected, and both ends are connected with two vertical corbels 23 respectively to reinforcing sedan-chair chassis 2's structural stability, sedan-chair chassis 2 can bear great weight and indeformable, avoid sedan-chair chassis 2 to warp and influence surveyed component 5, let can be normal between surveyed component 5 and the load monitoring module 4 respond to the cooperation, guarantee load monitoring's accuracy. In this embodiment, the chassis stiffener 26 has a cross-sectional shape of "\65082;", and the two sides of the upper portion of the chassis stiffener 26 are bent to form connecting portions welded to the bottom of the support panel 21.

The above description is only the preferred embodiment of the present invention, and the technical solutions of the objects of the present invention are all within the protection scope of the present invention as long as the objects are achieved by the substantially same means.

Claims

1. An elevator car dynamic balance adjusting device comprises a car bottom assembly, wherein the car bottom assembly is used for being connected with an elevator car frame, the car bottom assembly comprises a bearing frame (1) and a car chassis (2) positioned above the bearing frame (1), and the bearing frame (1) is connected with the car chassis (2) through a damping rubber mat (3); the method is characterized in that: a plurality of load monitoring modules (4) positioned below the car chassis (2) are arranged on the top of the bearing frame (1), and a detected element (5) which is matched with the load monitoring modules (4) in a detection way is fixedly arranged below the car chassis (2); the load monitoring module (4) is connected with a data processing module (6) for judging whether the unbalance loading condition exceeding a preset threshold value occurs or not, and the data processing module (6) is connected with an alarm module (7) for prompting passengers to have the unbalance loading condition exceeding the set threshold value in an elevator car; the bottom of the bearing frame (1) is provided with a balance adjusting unit (8), and the balance adjusting unit (8) is connected and controlled by the data processing module (6).

2. The dynamic balance adjustment device of an elevator car according to claim 1, wherein: the balance adjusting unit (8) comprises at least two balance adjusting mechanisms, and the two balance adjusting units (8) are arranged on the bottom of the bearing frame (1) in a bilateral symmetry manner or a front-back symmetry manner.

3. The elevator car dynamic balance adjustment device of claim 2, wherein: the balance adjusting mechanism comprises a balance weight block (81) which is arranged on the bottom of the bearing frame (1) in a sliding mode through a guide rail (83) and a driving mechanism (82) which drives the balance weight block (81) to move, and the output end of the driving mechanism (82) is connected with the balance weight block (81).

4. The dynamic balance adjustment device of an elevator car according to claim 3, wherein: the driving mechanism (82) comprises a transmission mechanism and a driving motor for driving the transmission mechanism to work, the output end of the transmission mechanism is in transmission connection with the balance weight block (81), and the driving motor is connected with the data processing module (6).

5. The dynamic balance adjustment device of an elevator car according to claim 1, wherein: the load monitoring module (4) is a Hall sensor arranged on the bearing frame (1), and the element to be measured (5) is a magnet block.

6. The elevator car dynamic balance adjustment device of claim 1, wherein: the data processing module (6) is connected with a communication module (9), and the communication module (9) is in communication connection with an elevator control system (10) of the elevator.

7. The elevator car dynamic balance adjustment device of claim 1, wherein: all be equipped with one load monitoring module (4) on four corners at bearing frame (1) top, every load monitoring module (4) correspond the cooperation have one by survey component (5).

8. The dynamic balance adjustment device of an elevator car according to claim 1, wherein: the alarm module (7) comprises a light module and a voice output module.

9. The dynamic balance adjustment device of an elevator car according to claim 1, wherein: the data processing module (6) is connected with a display module (20), and the display module (20) is used for displaying the load distribution condition in the elevator car.