CN213568966U

CN213568966U - Accurate measuring device for overload of elevator car

Info

Publication number: CN213568966U
Application number: CN202022038823.7U
Authority: CN
Inventors: 黄建芳
Original assignee: Huadi Elevator Technology Co ltd
Current assignee: Huadi Elevator Technology Co ltd
Priority date: 2020-09-17
Filing date: 2020-09-17
Publication date: 2021-06-29
Anticipated expiration: 2030-09-17

Abstract

The utility model provides an accurate measuring device that overloads of goods lift car, it includes car main body, the car includes first box and second box, the second box sets up in first box, the top of first box is provided with the connecting rod, the connecting rod below is provided with force sensor, force sensor is last to be connected with linking portion, second box top is provided with a plurality of connection ropes, the other end of connecting the rope is connected on force sensor, first bottom half is provided with a plurality of pressure sensor, the last elastomeric element that is provided with of pressure sensor, elastomeric element's the relative other end contacts with the bottom of second box. The utility model discloses can solve the uneven problem that leads to detecting the weighing error big of sedan-chair bottom plate atress effectively to can reach the purpose that improves the security.

Description

Accurate measuring device for overload of elevator car

Technical Field

This the utility model relates to a goods lift car technical field particularly, relates to an accurate measuring device that overloads of goods lift car.

Background

In the elevator industry, measurement of the weight of the car is widely used in a manner based on the measurement of the deformation of the elastic element, in order to provide a suitable starting compensation for the starting of the elevator, and in order to detect the occurrence of an overload of the elevator and thus to implement a protective action. However, the weighing device may cause an accident once it malfunctions. For example, the elastic elements are aged, so that the weighing deviation is overlarge, the starting compensation of the elevator is misaligned, the starting impact is overlarge, and personal injury can be caused to passengers in serious cases. In addition, if the elevator is overloaded and cannot be detected in time, overload operation can occur, the function of the safety component related to the elevator can only cover a limited overload range, and if the overload condition is serious, accidents such as top rushing and bottom squating of the elevator can be caused. Therefore, detecting the weighing device is particularly important.

The common technical scheme is to install the measuring device on the bottom plate of the car, but because the goods are placed unevenly, the bottom plate is stressed unevenly, thereby the measuring accuracy of the measuring device is influenced, and great potential safety hazards exist.

The utility model discloses the content

In view of this, the utility model provides an accurate measuring device that goods lift car overloads, it can solve the uneven problem that leads to detecting the weighing error big of sedan-chair bottom plate atress effectively to can reach the purpose that improves the security.

Therefore, the utility model provides an accurate measuring device that overloads of goods lift car, it includes the car main part, the car includes first box and second box, the second box sets up in first box, the top of first box is provided with the connecting rod, the connecting rod below is provided with force sensor, the last portion that articulates that is connected with of force sensor, second box top is provided with a plurality of connection ropes, the other end of connecting the rope is connected on force sensor, first bottom half is provided with a plurality of pressure sensor, the last elastomeric element that is provided with of pressure sensor, elastomeric element's the relative other end contacts with the bottom of second box.

Further, the quantity of the above-mentioned connection rope sets up to 4, and the four corners at the top of second box is connected respectively to the one end of 4 connection ropes, and the other end of 4 connection ropes all is connected on the portion of articulate.

Further, the connecting rope is a steel wire rope.

Further, the elastic components are uniformly distributed on the upper surface of the pressure sensor in a rectangular shape.

Further, the elastic member is an elastic member.

Furthermore, the elastic component is provided with a damping plate, and the damping plate is in contact with the bottom of the second box body.

Further, the damping plate is an elastic damping plate.

Furthermore, the hanging part is of a key ring structure.

Furthermore, a buzzer and an alarm lamp are arranged on the first box body.

Furthermore, a display screen is arranged on the first box body, and the tension sensor is connected with the pressure sensor display screen.

The utility model provides an accurate measuring device that goods lift car overloads, in the beginning, the second box is placed on the shock attenuation board, keep steady state, force sensor and pressure sensor's numerical value sets up to zero, when the second box is put into to the goods, the spring pushes down under the effect of gravity, wire rope is taut, make the second box be in unsettled state, thereby can eliminate the inhomogeneous problem of second bottom of the box atress, and then can the accurate measurement weight of goods through force sensor and pressure sensor, force sensor and pressure sensor and PLC controller control connection simultaneously, PLC controller control is according to the data display of measuring on the display screen, exceed the maximum load value, bee calling organ and alarm lamp report to the police.

Therefore, the utility model provides a pair of accurate measuring device that overloads of goods lift car, it can solve the uneven problem that leads to detecting the weighing error big of sedan-chair bottom plate atress effectively to can reach the purpose that improves the security.

Drawings

Various other advantages and benefits will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The drawings are only for purposes of illustrating the preferred embodiments and are not to be construed as limiting the invention. Also, like reference numerals are used to refer to like parts throughout the drawings. In the drawings:

fig. 1 is a schematic structural diagram of an accurate overload measuring device for a cargo lift car according to an embodiment of the present invention;

FIG. 2 is an enlarged view of portion A of FIG. 1;

fig. 3 is a schematic connection diagram of a second box and a tension sensor in the accurate measuring device for overload of a cargo lift car provided by the embodiment of the present invention.

Wherein, 1-car body; 11-a first box; 111-a buzzer; 112-alarm light; 113-a display screen; 12-a second box; 121-connecting ropes; 2-a connecting rod; 3-a tension sensor; 4-hanging part; 5-a pressure sensor; 6-an elastic member; 61-damping plate.

Detailed Description

Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art.

The first embodiment is as follows:

referring to fig. 1 to 3, the embodiment provides an accurate measuring device for overload of a cargo lift car, including a car body 1, the car body 1 includes a first box 11 and a second box 12, the second box 12 is disposed in the first box 11, a connecting rod 2 is disposed at the top of the first box 11, a tension sensor 3 is disposed below the connecting rod 2, a hanging portion 4 is connected to the tension sensor 3, a plurality of connecting ropes 121 are disposed at the top of the second box 12, the other ends of the connecting ropes 121 are connected to the tension sensor 3, a plurality of pressure sensors 5 are disposed at the bottom of the first box 11, an elastic component 6 is disposed on the pressure sensors 5, and the other end of the elastic component 6 is in contact with the bottom of the second box 12.

With continued reference to fig. 1-3, the hanging portion 4 is a key ring structure. The connecting rope can be conveniently installed, and the installation difficulty is reduced.

With continued reference to fig. 1 to 3, the first housing 11 is provided with a buzzer 111 and an alarm lamp 112, the first housing 11 is provided with a display screen 113, and the tension sensor 3 and the pressure sensor 5 are connected with the display screen 113. Can give an alarm in time to prevent accidents.

The utility model provides an accurate measuring device that goods lift car overloads, in the beginning, the second box is placed on the shock attenuation board, keep steady state, force sensor and pressure sensor's numerical value sets up to zero, when the second box is put into to the goods, the spring pushes down under the effect of gravity, wire rope is taut, make the second box be in unsettled state, thereby can eliminate the inhomogeneous problem of second bottom of the box atress, and then can the weight of accurate measurement goods through force sensor and pressure sensor, force sensor and pressure sensor and PLC controller (not shown) control connection simultaneously, PLC controller control shows on the display screen according to measured data, exceed the maximum load value, bee calling organ and alarm lamp report to the police.

Example two:

referring to fig. 1 to fig. 3, the second embodiment of the present invention provides an accurate overload measuring device for a cargo lift car, and the present embodiment further provides the following technical solutions as improvements on the basis of the above embodiments: the quantity of connecting rope 121 sets up to 4, and the four corners at the top of second box 12 is connected respectively to 4 one ends of connecting

rope

121, and 4 other ends of connecting rope 121 all connect on hitching part 4. The connecting rope 121 is a steel wire rope. Can make the second box keep steady like this, the quantity of connecting the rope can set up according to the size of box, and when the box was bulky, can set up several more, and wire rope intensity is big simultaneously, and difficult fracture can improve life.

Example three:

referring to fig. 1 to fig. 3, a cargo lift car overload precision measuring device provided by the third embodiment of the present invention is shown in the drawings, and the present embodiment further makes the following technical solutions as improvements on the basis of the above embodiments: the elastic components 6 are uniformly distributed on the upper surface of the pressure sensor 5 in a rectangular shape, and the elastic components 6 are springs. The box body can be kept stable, and the buffer and shock absorption effects can be achieved; the elastic component can also be a block made of rubber material, and the same effect can be achieved.

Example four:

referring to fig. 1 to fig. 3, the figures show an accurate overload measuring device for a cargo lift car provided by the fourth embodiment of the present invention, and the present embodiment further makes the following technical solutions as improvements on the basis of the above embodiments: the elastic component 6 is provided with a damping plate 61, and the damping plate 61 is contacted with the bottom of the second box body 12; the damper plate 61 is an elastic damper plate. The box body can be further kept stable and the buffer and shock absorption effects can be achieved.

It will be apparent to those skilled in the art that various changes and modifications can be made in the present invention without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims and their equivalents, the present invention is also intended to include such modifications and variations.

Claims

1. An accurate measuring device for overload of a cargo elevator car is characterized by comprising a car main body (1), the car body (1) comprises a first box body (11) and a second box body (12), the second box body (12) is arranged in the first box body (11), the top of the first box body (11) is provided with a connecting rod (2), a tension sensor (3) is arranged below the connecting rod (2), a hanging part (4) is connected on the tension sensor (3), the top of the second box body (12) is provided with a plurality of connecting ropes (121), the other ends of the connecting ropes (121) are connected to the tension sensor (3), the bottom of the first box body (11) is provided with a plurality of pressure sensors (5), an elastic part (6) is arranged on the pressure sensor (5), and the other opposite end of the elastic part (6) is in contact with the bottom of the second box body (12).

2. The cargo elevator car overload accurate measuring device of claim 1, wherein the number of the connecting ropes (121) is 4, one ends of the 4 connecting ropes (121) are respectively connected to four corners of the top of the second box body (12), and the other ends of the 4 connecting ropes (121) are all connected to the hanging part (4).

3. The device for accurately measuring the overload of the elevator car of claim 1 or 2, wherein the connecting rope (121) is a steel wire rope.

4. The device for accurately measuring the overload of the elevator car of claim 1, wherein the elastic members (6) are uniformly distributed on the upper surface of the pressure sensor (5) in a rectangular shape.

5. A device for accurate measurement of overload of a freight elevator car according to claim 1 or 4, characterised in that the elastic member (6) is a spring.

6. An accurate measuring device for overload of a cargo lift car according to claim 5, characterized in that the elastic part (6) is provided with a damping plate (61), and the damping plate (61) is in contact with the bottom of the second box (12).

7. The device for accurately measuring the overload of the elevator car of claim 6, wherein the damping plate (61) is an elastic damping plate.

8. The device for accurately measuring the overload of the elevator car of the cargo lift in accordance with claim 1, wherein the hanging part (4) is a key buckle structure.

9. The device for accurately measuring the overload of the elevator car of the cargo lift in accordance with claim 1, wherein a buzzer (111) and an alarm lamp (112) are provided on the first box (11).

10. The device for accurately measuring the overload of the elevator car of the cargo lift in accordance with claim 1, wherein a display screen (113) is arranged on the first box body (11), and the tension sensor (3) and the pressure sensor (5) are connected with the display screen (113).