CN218619732U

CN218619732U - Goods lift weight load monitoring devices

Info

Publication number: CN218619732U
Application number: CN202220363229.1U
Authority: CN
Inventors: 张建腾; 杨锦杰; 欧阳永贤
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: 2023-03-14
Anticipated expiration: 2032-02-22

Abstract

A weight load monitoring device of a goods lift comprises a lift platform assembly, wherein the lift platform assembly comprises a bearing frame and a lift platform tray positioned above the bearing frame, and a plurality of load monitoring modules positioned below the lift platform tray are arranged on the top of the bearing frame; the load monitoring module is connected with a data processing module, and the data processing module is connected with an alarm module; and the top of the bearing frame is provided with a detection limiting structure. When the data processing module judges that the elevator exceeds the preset threshold value and is in an unbalanced load condition, the data processing module can generate an unbalanced load alarm signal, and warns passengers in the elevator through the alarm module to remind the passengers to adjust self station positions or adjust the stacking positions of goods, so that the condition of the unbalanced load of the elevator car is eliminated or reduced as much as possible, the problem of serious unbalanced load is effectively solved, and the safety of the operation of the elevator is guaranteed; be provided with and detect limit structure, can avoid when the goods that weight is big gets into the elevator sedan-chair chassis atress to produce and press bad load monitoring module when moving down greatly.

Description

Goods lift weight load monitoring devices

Technical Field

The utility model relates to an elevator technical field, concretely relates to goods lift weight load monitoring devices.

Background

With the increasing shortage of land resources, various buildings tend to be 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, the elevator is usually provided with an overload detection device for detecting the load of the elevator, when the elevator is detected to be overloaded, the elevator cannot be started and people in the elevator are warned through sound alarm, but the conventional elevator mainly detects the whole weight of the elevator, if the goods are placed unevenly, so that the stress of a car bottom is uneven, the load in the elevator deviates to one side in the car, but the whole weight does not exceed a threshold value, the elevator can still be started, so that the car is unbalanced in stress during lifting, under the condition, not only is the potential safety hazard of the elevator exist, but also the failure rate of the elevator is increased, and the service life of the elevator is shortened.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects of the prior art, the utility model provides a goods lift weight load monitoring devices.

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

a weight load monitoring device of a goods lift comprises a lift car bottom assembly, wherein the lift car bottom assembly comprises a bearing frame and a lift car chassis positioned above the bearing frame, and the bearing frame is connected with the lift 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 tested element matched with the load monitoring modules for 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; the top of the bearing frame is provided with a detection limiting structure, the detection limiting structure is positioned beside the load monitoring module, and the top height of the detection limiting structure is higher than that of the load monitoring 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 for installing the controller on subassembly or car at the bottom of the sedan-chair.

The utility model discloses in, the top height that detects limit structure compares the top height of load monitoring module is 5-10mm high.

The utility model discloses in, detect limit structure and install the limit screw on the bearing frame for alternating, limit screw passes through limit nut and bearing frame fixed connection.

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 discloses in, data processing module is connected with the overload detection module of elevator.

The utility model has the advantages that:

1. the utility model provides a load monitoring device has load monitoring module, data processing module, alarm module, when data processing module judges according to load monitoring module's monitoring data that the elevator appears exceeding the condition of presetting threshold value unbalance loading, data processing module can generate unbalance loading alarm signal to warn the passenger in the elevator through alarm module, remind the passenger to adjust self station or adjust the position of stacking of goods, thereby eliminate or reduce the condition of car unbalance loading as far as, effectively solve the problem of serious unbalance loading, ensure the security of elevator operation, thereby reduce the fault rate of elevator, reach the life purpose of extension elevator;

2. the load monitoring module and the element to be monitored adopt non-contact induction matching for load monitoring, the load monitoring module and the element to be monitored do not need to be in contact, the phenomenon that the load monitoring module is crushed can be effectively prevented, and the stable implementation of monitoring work is ensured;

3. be provided with and detect limit structure, sedan-chair chassis atress produces when can avoiding the goods that weight is big to move down greatly and crushes load monitoring module, thereby the utility model provides a monitoring devices is particularly suitable for using on the goods lift.

Drawings

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

FIG. 1 is a schematic view of the interior of the platform assembly;

FIG. 2 is a connection block diagram of modules in the present embodiment;

FIG. 3 is a perspective view of the platform assembly with the support panel removed;

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

Detailed Description

In order to make the purpose, technical solution and advantages of the embodiments of the present invention clearer, the attached drawings in the embodiments of the present invention will be combined below to clearly and completely describe the technical solution in the embodiments of the present invention.

Referring to fig. 1-4, a cargo lift weight load monitoring device comprises a car bottom assembly, wherein the car bottom assembly comprises a bearing frame 1 and a car chassis 2 positioned above the bearing frame 1, the car chassis 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 chassis 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 for detection is fixedly arranged 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 installed 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, the phenomenon that the load monitoring modules 4 are crushed can be effectively prevented, and the bearing frame is particularly suitable for being applied to a goods elevator.

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.

Still further, be equipped with on the top of bearing frame 1 and detect limit structure 8, it is located by load monitoring module 4 to detect limit structure 8, the top height that detects limit structure 8 is higher than the top height of load monitoring module 4, in this embodiment, the top height that detects limit structure 8 is higher than the top height of load monitoring module 4 by 5-10mm, detects limit structure 8 and can avoid sedan-chair chassis atress to produce and crush load monitoring module 4 when shifting down greatly. In addition, detect limit structure 8 for alternate the limit screw who installs on bearing frame 1, limit screw passes through limit nut and bearing frame 1 fixed connection, loosens the limit nut back moreover, can reciprocate the height of adjusting limit screw to the height of adaptation load monitoring module 4.

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 is in 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 workers of the elevator manufacturer can know the load condition of the elevator in real time so as to be convenient for workers to subsequently maintain the elevator, for example, the position of the elevator in which the unbalance loading condition frequently occurs 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, the 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, so that the deviation of the load distribution in the elevator car is restored to an allowable range, and the elevator resumes running.

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, the data processing module 6 is connected to an overload detection module 30 of the elevator, when the elevator is overloaded, the elevator control system 10 controls the elevator to stop running, the data processing module 6 controls the light module to flash light and the voice output module to send out voice, so as to prompt that the current elevator is overloaded, and the safety performance of the elevator can be improved to the maximum extent through the combination of the load monitoring module 4 and the overload detection module 30. The overload detection module 30 is a conventional technology, and the overload detection module 30 can be installed at different positions of the elevator according to actual requirements, and only the overload detection can be realized.

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. A weight load monitoring device of a goods lift comprises a car platform assembly, wherein the car platform assembly comprises a bearing frame (1) and a car platform disc (2) positioned above the bearing frame (1), and the bearing frame (1) is connected with the car platform disc (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 tested element (5) matched with the load monitoring modules (4) for detection 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 top of the bearing frame (1) is provided with a detection limiting structure (8), the detection limiting structure (8) is located beside the load monitoring module (4), and the top height of the detection limiting structure (8) is higher than that of the load monitoring module (4).

2. The cargo lift weight load monitoring device of 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.

3. The cargo lift weight load monitoring device of claim 1, wherein: the data processing module (6) is a controller arranged on the car bottom component or the car.

4. The cargo lift weight load monitoring device of claim 1, wherein: the top height of the detection limiting structure (8) is 5-10mm higher than that of the load monitoring module (4).

5. The cargo lift weight load monitoring device of claim 1, wherein: the detection limiting structure (8) is a limiting screw inserted and installed on the bearing frame (1), and the limiting screw is fixedly connected with the bearing frame (1) through a limiting nut.

6. The cargo lift weight load monitoring 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 cargo lift weight load monitoring 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 cargo lift weight load monitoring device of claim 1, wherein: the alarm module (7) comprises a light module and a voice output module.

9. The cargo lift weight load monitoring device of 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.

10. The cargo lift weight load monitoring device of claim 1, wherein: the data processing module (6) is connected with an overload detection module (30) of the elevator.