CN212024468U

CN212024468U - Overload detection device for freight elevator

Info

Publication number: CN212024468U
Application number: CN202020037879.8U
Authority: CN
Inventors: 姚丹萍; 朱洁; 孙权
Original assignee: Suzhou Faods Elevator Co ltd
Current assignee: Suzhou Faods Elevator Co ltd
Priority date: 2020-01-09
Filing date: 2020-01-09
Publication date: 2020-11-27
Anticipated expiration: 2030-01-09

Abstract

The utility model discloses a cargo elevator overload detection device, including railway carriage or compartment bottom plate, atress crossbeam and atress longeron, the welding of railway carriage or compartment bottom plate downside has the atress crossbeam, the welding of atress crossbeam downside has the atress longeron, atress longeron both ends are provided with the card and press the cover. The utility model discloses a atress crossbeam, atress longeron, card that set up press cover, weighing sensor, an electron spirit level and No. two electron spirit levels for the car is carrying out overload detection time measuring, can adjust the pressure numerical value that four weighing sensor detected according to the levelness that an electron spirit level and No. two electron spirit levels were judged, avoids the skew of car center to the influence that overloads and detect, and then guarantees the precision that overloads and detect.

Description

Overload detection device for freight elevator

Technical Field

The utility model relates to a cargo elevator technical field, concretely relates to cargo elevator overload detection device.

Background

Freight elevators are primarily designed for transporting goods, usually with accompanying elevators. The freight elevator car has the characteristic of being long and narrow. A vertical elevator powered by an electric motor is equipped with a box-like pod serving a fixed elevator installation at a given floor level. The freight elevator needs to be provided with an overload detection device due to special purposes, so that the elevator is prevented from being overloaded and the safe operation of the elevator is ensured.

The existing overload detection device only simply monitors and judges the force transmitted to the pressure sensor from the inside of the car when working, the car easily has center deviation, and then the measurement accuracy of the pressure sensor is influenced, so that the overload condition cannot be accurately detected, and the existing problem is solved by the overload detection device of the freight elevator.

SUMMERY OF THE UTILITY MODEL

In order to overcome prior art not enough, present cargo elevator overload detection device has been provided, has solved current overload detection device and at the during operation, has just simply monitored the judgement to the force that pressure sensor was transmitted to the car inside, and the car has the central skew easily, and then influences pressure sensor's the accurate nature of measurement for the overload condition can not obtain the problem of accurate detection.

The utility model discloses a following technical scheme realizes: the utility model provides a cargo elevator overload detection device, including railway carriage or compartment bottom plate, atress crossbeam and atress longeron, the welding of railway carriage or compartment bottom plate downside has the atress crossbeam, the welding of atress crossbeam downside has the atress longeron, atress longeron both ends are provided with the card and press the cover, the card is pressed the cover downside and is provided with weighing sensor, railway carriage or compartment bottom plate downside center is provided with the electron spirit level No. one, electron spirit level one side is provided with the electron spirit level No. two.

Further, a car frame is arranged on the lower side of the weighing sensor, clamping seats are arranged at four corners of the lower side of the car frame, damping springs are arranged on the lower sides of the clamping seats, and energy-absorbing rubber pads are arranged in the center of the lower side of the car frame.

By adopting the technical scheme, the weighing sensor can measure the load pressure transmitted by the compartment bottom plate, so that the weight of the goods in the compartment bottom plate can be detected.

Further, the stress longitudinal beam is welded with the clamping and pressing sleeve, and the weighing sensor is connected with the car frame through a bolt.

Through adopting above-mentioned technical scheme, the card pressure cover can with the railway carriage or compartment bottom plate is stabilized the card and is fixed on weighing sensor guarantees the measurement accuracy.

Further, the car frame is welded with the clamping seat, and the clamping seat is connected with the damping spring through clamping pressure.

By adopting the technical scheme, the cage frame can provide stable support for the cage bottom plate, the stability of the inner side of the cage bottom plate is ensured, and the damping spring can damp when the cage frame is vibrated.

Furthermore, the energy-absorbing rubber pad is glued with the car frame, and the first electronic level gauge is connected with the car bottom plate through bolts.

Through adopting above-mentioned technical scheme, the energy-absorbing rubber pad can absorb the impact energy when the car falls, the protection car frame.

Furthermore, the second electronic level meter is connected with the compartment bottom plate through bolts, and the energy-absorbing rubber pad is made of synthetic rubber.

By adopting the technical scheme, the first electronic level meter and the second electronic level meter can detect the levelness of the compartment bottom plate.

Compared with the prior art, the utility model, following beneficial effect has:

for solving current overload detection device at the during operation, the power that only simply transmits pressure sensor to inside the car is monitored and is judged, and there is the central skew in the car easily, and then influences pressure sensor's measurement precision, makes the overload condition can not obtain the problem of accurate detection, the utility model discloses a atress crossbeam that sets up, atress longeron, card press the cover, weighing sensor, an electron spirit level and No. two electron spirit levels for the car is carrying out overload detection time measuring, can adjust the pressure numerical value that four weighing sensor detected according to the levelness that an electron spirit level and No. two electron spirit levels were judged, avoids the influence of car central skew to overload detection, and then guarantees the precision that overload detected.

Drawings

Fig. 1 is a front view of an overload detector for a freight elevator according to the present invention;

fig. 2 is a bottom view of a floor of a load elevator car of the overload detecting apparatus of the present invention.

Reference numerals: 1. a car frame; 2. a compartment floor; 3. a weighing sensor; 4. clamping and pressing the sleeve; 5. a stressed cross beam; 6. a stressed longitudinal beam; 7. a first electronic level; 8. a second electronic level; 9. a clamping seat; 10. A damping spring; 11. energy-absorbing rubber pad.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

As shown in fig. 1-2, the overload detecting device for cargo elevator in this embodiment includes a car floor 2, a stressed cross beam 5 and stressed longitudinal beams 6, a car frame 1 is disposed on the lower side of a weighing sensor 3, clamping seats 9 are disposed at four corners of the lower side of the car frame 1, damping springs 10 are disposed on the lower sides of the clamping seats 9, an energy-absorbing rubber pad 11 is disposed at the center of the lower side of the car frame 1, the stressed longitudinal beams 6 are welded to a clamping sleeve 4, the weighing sensor 3 is connected to the car frame 1 through bolts, the car frame 1 is welded to the clamping seats 9, the clamping seats 9 are connected to the damping springs 10 through clamping, the energy-absorbing rubber pad 11 is connected to the car frame 1 in a glued joint manner, a first electronic level 7 is connected to the car floor 2 through bolts, a second electronic level 8 is connected to the energy-absorbing car.

As shown in fig. 1-2, in this embodiment, a stressed cross beam 5 is welded on the lower side of a carriage bottom plate 2, a stressed longitudinal beam 6 is welded on the lower side of the stressed cross beam 5, clamping and pressing sleeves 4 are arranged at two ends of the stressed longitudinal beam 6, a weighing sensor 3 is arranged on the lower side of the clamping and pressing sleeve 4, a first electronic level 7 is arranged at the center of the lower side of the carriage bottom plate 2, a second electronic level 8 is arranged on one side of the first electronic level 7, through the arrangement of the stress beam 5, the stress longitudinal beam 6, the clamping and pressing sleeve 4, the weighing sensor 3, the first electronic level meter 7 and the second electronic level meter 8, when the elevator car carries out overload detection, the levelness can be judged according to the first electronic level meter 7 and the second electronic level meter 8, the pressure values detected by the four weighing sensors 3 are adjusted, so that the influence of the center deviation of the lift car on overload detection is avoided, and the accuracy of overload detection is further ensured.

The specific implementation process of this embodiment is as follows: when using, the goods are loaded on railway carriage or compartment bottom plate 2, and then make railway carriage or compartment bottom plate 2 push down, transmit for weighing sensor 3 through the pressure of card pressure cover 4 on with railway carriage or compartment bottom plate 2, weighing sensor 3 can measure the pressure of railway carriage or compartment bottom plate 2 transmission, an electron spirit level 7 and No. two electron spirit levels 8 can be measured railway carriage or compartment bottom plate 2's levelness automatically, and then make controlling means measure the pressure value to calibrate to four weighing sensor 3, avoid the influence of car center skew to overload detection, guarantee the precision of the cargo load who measures.

The above-described embodiments are merely illustrative of the preferred embodiments of the present invention and are not intended to limit the spirit and scope of the present invention. Without departing from the design concept of the present invention, various modifications and improvements made by the technical solution of the present invention by those skilled in the art should fall into the protection scope of the present invention, and the technical contents claimed by the present invention have been fully recorded in the claims.

Claims

1. The utility model provides a cargo elevator overload detection device which characterized in that: the electric water-level measuring device comprises a compartment bottom plate (2), a stress cross beam (5) and a stress longitudinal beam (6), wherein the stress cross beam (5) is welded on the lower side of the compartment bottom plate (2), the stress longitudinal beam (6) is welded on the lower side of the stress cross beam (5), clamping and pressing sleeves (4) are arranged at two ends of the stress longitudinal beam (6), a weighing sensor (3) is arranged on the lower side of each clamping and pressing sleeve (4), a first electronic level meter (7) is arranged at the center of the lower side of the compartment bottom plate (2), and a second electronic level meter (8) is arranged on one side of the first electronic level meter (7.

2. The overload detecting device for the cargo elevator according to claim 1, wherein: weighing sensor (3) downside is provided with car frame (1), car frame (1) downside four corners is provided with card seat (9), card seat (9) downside is provided with damping spring (10), car frame (1) downside center is provided with energy-absorbing rubber pad (11).

3. The overload detecting device for the cargo elevator according to claim 2, wherein: the stress longitudinal beam (6) is welded with the clamping and pressing sleeve (4), and the weighing sensor (3) is connected with the car frame (1) through a bolt.

4. The overload detecting device for the cargo elevator according to claim 3, wherein: the car frame (1) is welded with the clamping seat (9), and the clamping seat (9) is connected with the damping spring (10) through clamping pressure.

5. The overload detecting device for the cargo elevator according to claim 4, wherein: the energy-absorbing rubber pad (11) is connected with the car frame (1) in an adhesive mode, and the first electronic level meter (7) is connected with the car bottom plate (2) through bolts.

6. The overload detecting device for the cargo elevator according to claim 5, wherein: the second electronic level meter (8) is connected with the compartment bottom plate (2) through bolts, and the energy-absorbing rubber pad (11) is made of synthetic rubber.