CN114162694A - Car platform weighing device elevator convenient to adjust - Google Patents
Car platform weighing device elevator convenient to adjust Download PDFInfo
- Publication number
- CN114162694A CN114162694A CN202210099937.3A CN202210099937A CN114162694A CN 114162694 A CN114162694 A CN 114162694A CN 202210099937 A CN202210099937 A CN 202210099937A CN 114162694 A CN114162694 A CN 114162694A
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- Prior art keywords
- weighing
- piece
- elevator
- adjusting
- distance
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B5/00—Applications of checking, fault-correcting, or safety devices in elevators
- B66B5/02—Applications of checking, fault-correcting, or safety devices in elevators responsive to abnormal operating conditions
- B66B5/14—Applications of checking, fault-correcting, or safety devices in elevators responsive to abnormal operating conditions in case of excessive loads
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B1/00—Control systems of elevators in general
- B66B1/34—Details, e.g. call counting devices, data transmission from car to control system, devices giving information to the control system
- B66B1/3476—Load weighing or car passenger counting devices
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B3/00—Applications of devices for indicating or signalling operating conditions of elevators
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- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Mechanical Engineering (AREA)
- Computer Networks & Wireless Communication (AREA)
- Maintenance And Inspection Apparatuses For Elevators (AREA)
Abstract
The invention discloses a car bottom weighing device elevator convenient to adjust, which comprises mechanical adjustment and electric control adjustment, wherein the mechanical adjustment is realized by adjusting the relative position of a weighing piece and an induction plate, and the electric control adjustment is realized by adjusting selectable grades and parameters in an elevator control system. The invention has the advantages that the mechanical adjustment is based on the relative position information of the heavy part, and the over-full load is reset; the electric control type adjustment is not needed to adjust a mechanical structure for weighing the elevator, and is also not needed to adjust through carrying weights, so that the operation is simple and convenient.
Description
Technical Field
The invention relates to the technical field of elevator weighing, in particular to a car bottom weighing device elevator convenient to adjust.
Background
The newly installed elevator can be checked to be overloaded before being put into use, but with the increase of service life, some parts are aged and deformed, particularly elastic parts, and the situation that the actual load of the elevator is smaller than the rated load can occur. For example, after years of use, an elevator which can originally carry 13 persons can only carry 10 persons or even less persons, and the overload is prompted, so that the carrying efficiency of the elevator is greatly influenced. And the adjustment of the super full load system of the elevator needs to use standard weights, which is time-consuming and labor-consuming. This is where the application needs to be focused on.
Disclosure of Invention
The invention aims to provide a car bottom weighing device elevator convenient to adjust, and when the relative position of a weighing piece changes, the super-full load data of an elevator control system is readjusted in a mechanical or electric control mode.
In order to solve the technical problems, the invention provides a conveniently-adjusted elevator with a car bottom weighing device, which comprises:
the weighing piece is adjustable in relative position and displays relative position information;
the adjusting piece is connected with the weighing piece, and the weighing piece is driven to move in the vertical direction by the rotation of the adjusting piece;
the adjusting piece is connected with the mounting seat through the fixing piece, and the fixing piece limits the movement of the adjusting piece;
the mounting seat is connected with the elevator car bottom;
the rotating adjusting piece drives the weighing piece to move, and the super-full load data of the elevator is adjusted by changing the distance between the weighing piece and the induction plate.
The weighing piece is an induction type weighing piece, and the displayed relative position information is distance, current, voltage or information converted from the distance, the current, the voltage and the three.
The induction plate is connected with the lower beam and is opposite to the mounting seat.
The groove of the weighing piece is in interference fit with the convex groove of the mounting seat, certain friction force exists, and self-locking in the elevator running process is achieved by matching the inner threads with the outer threads.
The weighing piece is in a thread-guide groove structure or other structures for adjusting the relative position of the weighing piece.
The invention also provides a car bottom weighing device elevator convenient to adjust, which comprises:
the weighing piece is connected with the elevator car bottom through the mounting seat and displays relative position information;
the relative position of the induction plate is adjustable and is connected with the lower beam;
the distance between the induction plate and the weighing piece is adjusted by adjusting the relative position between the induction plate and the lower beam, so that the overload data of the elevator is adjusted.
The distance is adjusted to adjust the overload data of the elevator, and the adjustment is mechanical adjustment.
The adjusting piece and the mounting seat are made of metal materials or other engineering materials.
The method for adjusting the overload of the elevator with the car bottom weighing device convenient to adjust comprises the following steps:
s1: the elevator control system is preset with selectable gears adjusted in an overload manner, and each gear corresponds to the distance between the weighing piece and the induction plate one by one;
s2: when the elevator is unloaded for the first time, adjusting the unloaded distance between the weighing piece and the induction plate to be equal to a preset value, and storing a voltage value corresponding to the unloaded distance in an elevator control system;
s3: the weighing piece collects a voltage value generated by the change of the distance between the weighing piece and the sensing plate and transmits the voltage value to the elevator control system; the selectable gear of the super-full load adjustment is related to the voltage value through the distance between the weighing piece and the induction plate;
s4: when the voltage value reaches the super-full load voltage value, the elevator control system prompts the super-full load, and the distance between the weighing piece and the induction plate is larger than a preset value;
s5: and performing gear shifting on the preset optional gear adjusted by the overload load to adjust the overload load system of the elevator.
The elevator control system is modified through electronic equipment and is adjusted in an electric control mode.
The invention has the following advantages:
1) the weighing piece can adjust the relative position, when the relative position of the weighing piece changes, the relative position information can be displayed, and a user resets the super full load according to the relative position information;
2) the relative position information of the weighing piece is quantifiable, displayable and readable;
3) the weighing part has a self-locking function, and the position is adjusted to be self-locked, so that the relative position of the weighing device is prevented from being influenced by the shake generated in the running process of the elevator;
4) the position of the weighing piece can be fixed and nonadjustable, and the distance between the weighing piece and the sensing plate can be changed by adjusting the position of the weighing piece relative to the sensing plate;
5) according to the elevator control system, the overload gear is preset in the elevator control system, when the overload is required to be adjusted, the overload gear and parameters in the elevator control system are modified through the electronic equipment, so that the aim of adjusting the overload is fulfilled, the mechanical structure of the elevator weighing system is not required to be adjusted, the weight is not required to be carried to be adjusted, and the elevator control system is simple and convenient to operate;
6) the super-full load parameter in the elevator control system is finely adjusted according to the actual situation so as to achieve a good weighing state.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the invention and, together with the description, serve to explain the invention and not to limit the invention. In the drawings:
FIG. 1 is a schematic structural diagram of a first embodiment of the present invention;
FIG. 2 is a schematic structural diagram of a weighing member according to an embodiment of the present invention;
FIG. 3 is an exploded view of a weight according to an embodiment of the present invention;
FIG. 4 is a schematic view of a weigh mount according to an embodiment of the present invention;
FIG. 5 is a schematic view of a weighing member according to an embodiment of the present invention;
FIG. 6 is a schematic view of an adjustment knob according to an embodiment of the present invention;
FIG. 7 is a schematic view of a knob holder according to an embodiment of the present invention;
FIG. 8 is a schematic structural diagram of a second embodiment of the present invention;
FIG. 9 is a diagram illustrating a distance and voltage relationship according to a second embodiment of the present invention;
FIG. 10 is a schematic view of the distance change of the weighing members according to the embodiment of the present invention;
description of the figures
1-weighing the parts;
101-a groove; 102-external thread;
2-adjusting knob; 201-internal thread;
3-knob fixing piece;
4-weighing mounting seat; 401-convex groove;
5-a cable; 6-fastener A;
7, an induction plate; 8, weighing a mounting plate;
9-car bottom; 10-lower beam;
11 — fastener B; 12-screwing the nut;
13-a weighing mounting bracket; 14-a resilient element;
and 15, supporting the car platform.
Detailed Description
Embodiments of the present invention will be described in detail below with reference to the accompanying drawings.
Fig. 1 shows a schematic structural diagram of a first embodiment of the present invention. As shown in fig. 1-7, the invention provides a conveniently-adjusted elevator with a car bottom weighing device, which comprises a weighing member 1, an adjusting knob 2, a knob fixing member 3 and a weighing mounting seat 4; the knob fixing piece 3 is connected with the weighing mounting seat 4 through a fastener A6, after the knob fixing piece is connected, the adjusting knob 2 is arranged between the weighing mounting seat 4 and the knob fixing piece 3, and the knob fixing piece 3 only limits the movement of the adjusting knob 2, but the adjusting knob 2 rotates along the axis; the adjusting knob 2 is provided with an internal thread 201 and is connected with the external thread 102 of the weighing piece 1, the weighing piece 1 is moved in the vertical direction by rotating the adjusting knob 2, and then the distance between the weighing piece 1 and the induction plate 7 is adjusted, and the super-full load standard of the elevator is readjusted. The weighing installation seat 4 is connected with the car bottom 9 through the weighing installation plate 8 through a fastener B11, and the induction plate 7 is connected with the lower beam 10 through a fastener B11.
The cable 5 is connected with an elevator control system, and signals collected by the weighing part 1 in the embodiment of the invention are transmitted to the elevator control system through the cable 5.
The specific embodiment of the invention is that the adjusting and self-locking working principle of a weighing piece is as follows: the weighing mounting seat 4 is fixed on the weighing mounting plate 8, the adjusting knob 2 is limited by the knob fixing piece 3 to move, but the adjusting knob 2 can rotate along the axis, the weighing part 1 is in threaded connection with the adjusting knob 2, when the adjusting knob 2 is rotated, the weighing part 1 can only do vertical movement due to the fact that the weighing part 1 is limited by the groove 101 of the weighing part and the convex groove 401 of the weighing mounting seat 4, and the adjustment of the weighing part 1 in the vertical direction is achieved. The groove 101 of the weighing piece 1 is in interference fit with the convex groove 401 of the weighing mounting seat 4, so that certain friction force exists, and self-locking in the elevator running process is realized by matching with internal and external threads.
Fig. 8 shows a schematic structural diagram of a second embodiment of the present invention. As shown in fig. 8-10, a platform weighing device elevator convenient to adjust is provided according to a second embodiment of the present invention, which includes a weighing member 1 and a sensing plate 7, an elastic element 14 connecting a platform 9 and a platform support 15, a weighing mounting bracket 13 mounted below the platform 9 by a fastener B11, the weighing member 1 fixed on the weighing mounting bracket 13 by a screwing nut 12; the induction plate 7 is installed on the lower beam 10 through a fastener B11, and the position of the induction plate 7 can be adjusted with the lower beam 10 through the long waist hole of the induction plate 7, so that the distance between the induction plate and the weighing piece is adjusted, and the overload data of the elevator is adjusted. This is a mechanical adjustment, or an electrical adjustment as follows.
The method for adjusting the overload of the elevator with the car bottom weighing device convenient to adjust comprises the following steps:
s1: the elevator control system is preset with selectable gears adjusted in an overload manner, and each gear corresponds to the distance between the weighing piece and the induction plate one by one;
s2: when the elevator is unloaded for the first time, adjusting the unloaded distance between the weighing piece and the induction plate to be equal to a preset value, and storing a voltage value corresponding to the unloaded distance in an elevator control system;
s3: the weighing piece collects a voltage value generated by the change of the distance between the weighing piece and the sensing plate and transmits the voltage value to the elevator control system; the selectable gear of the super-full load adjustment is related to the voltage value through the distance between the weighing piece and the induction plate;
s4: when the voltage value reaches the super-full load voltage value, the elevator control system prompts the super-full load, and the distance between the weighing piece and the induction plate is larger than a preset value;
s5: and performing gear shifting on the preset optional gear adjusted by the overload load to adjust the overload load system of the elevator.
When the elevator is used for taking a load, the car bottom 9 is under the action of the gravity of the load, the elastic element 14 is compressed, the weighing part 1 is far away from the induction plate 7, at the moment, the weighing part 1 collects the voltage value change caused by the change of the distance between the weighing part 1 and the induction plate 7, the changed voltage value is transmitted to an elevator control system through the cable 5, and the weighing of elevator passengers or goods is realized. When the value of the overload voltage of table 1 is reached, as shown in table 1, the elevator system indicates an overload, and the distance between the weighing element 1 and the sensing plate 7 changes as shown in fig. 10, where L2> L1.
The correspondence between load and voltage is shown in table 1 below, as shown in fig. 9.
Table 1:
after the elevator has been installed for the first time, the distance between the weighing element 1 and the induction plate 7 is adjusted according to table 1 to be equal to 4mm and the voltage value is recorded. After the elevator is used for a period of time, the elastic element 14 is aged, so that when the elevator is in no-load, the distance between the weighing part 1 and the sensing plate 7 is more than 4mm, and the number of people that can actually carry the elevator is less than the number of people in full load 13, a proper gear is selected in an elevator control system according to the optional gear of the super-full-load electric control regulation shown in the table 2 to achieve the purpose of adjustment. Such as: the distance between the weighing piece 1 and the induction plate 7 shows that only 10 persons can be carried, and the elevator can actually carry 13 persons, and the gear position is adjusted by selecting the gear position G3.
Table 2:
or, directly adjusting the preset voltage value in the elevator control system, and adjusting the preset full-load voltage value from 8.7V to 8.63V.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. A conveniently adjustable platform weighing device elevator, comprising:
the weighing piece is adjustable in relative position and displays relative position information;
the adjusting piece is connected with the weighing piece, and the weighing piece is driven to move in the vertical direction by the rotation of the adjusting piece;
the adjusting piece is connected with the mounting seat through the fixing piece, and the fixing piece limits the movement of the adjusting piece;
the mounting seat is connected with the elevator car bottom;
the adjusting piece is rotated to drive the weighing piece to move, and the super-full load data of the elevator is adjusted by changing the distance between the weighing piece and the induction plate.
2. The conveniently adjusted platform weighing device elevator of claim 1, wherein: the weighing piece is an induction type weighing piece, and the displayed information is distance, current, voltage or information converted from the distance, the current, the voltage and the three.
3. The conveniently adjusted platform weighing device elevator of claim 1, wherein: the induction plate is connected with the lower beam and is opposite to the mounting seat.
4. The conveniently adjusted platform weighing device elevator of claim 1, wherein: the groove of the weighing piece is in interference fit with the convex groove of the mounting seat.
5. A conveniently adjustable platform weighing device elevator, comprising:
the weighing piece is connected with the elevator car bottom through the mounting seat and displays relative position information;
the relative position of the induction plate is adjustable and is connected with the lower beam;
and adjusting the distance between the induction plate and the weighing piece to adjust the overload data of the elevator.
6. The method of claim 5 for adjusting the over-load condition of an adjustable platform weighing device elevator, comprising the steps of:
s1: presetting an optional gear for super-full load adjustment in an elevator control system;
s2: when the elevator is unloaded for the first time, adjusting the unloaded distance between the weighing piece and the induction plate to be equal to a preset value, and storing a voltage value corresponding to the unloaded distance in an elevator control system;
s3: the weighing piece collects a voltage value generated by the change of the distance between the weighing piece and the sensing plate and transmits the voltage value to the elevator control system;
s4: when the voltage value reaches the super-full load voltage value, the elevator control system prompts the super-full load, and the distance between the weighing piece and the induction plate is larger than a preset value;
s5: and adjusting gears and parameters of preset optional gears adjusted in the super-full load mode to adjust a super-full load system of the elevator.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110507506.1A CN113148799A (en) | 2021-05-10 | 2021-05-10 | Easily-adjusted elevator with car bottom weighing device |
| CN2021105075061 | 2021-05-10 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114162694A true CN114162694A (en) | 2022-03-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110507506.1A Pending CN113148799A (en) | 2021-05-10 | 2021-05-10 | Easily-adjusted elevator with car bottom weighing device |
| CN202210099937.3A Pending CN114162694A (en) | 2021-05-10 | 2022-01-27 | Car platform weighing device elevator convenient to adjust |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110507506.1A Pending CN113148799A (en) | 2021-05-10 | 2021-05-10 | Easily-adjusted elevator with car bottom weighing device |
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| Country | Link |
|---|---|
| CN (2) | CN113148799A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002154760A (en) * | 2000-11-20 | 2002-05-28 | Toshiba Corp | Overload detecting device for elevator |
| JP2011152962A (en) * | 2010-01-26 | 2011-08-11 | Mitsubishi Electric Building Techno Service Co Ltd | Elevator balance adjusting device |
| CN103274270A (en) * | 2013-06-09 | 2013-09-04 | 江南嘉捷电梯股份有限公司 | Lift car weighing device |
| CN105253738A (en) * | 2015-10-23 | 2016-01-20 | 嘉兴市特种设备检验检测院 | Detection method for elevator overload protection device |
| CN205602884U (en) * | 2016-04-27 | 2016-09-28 | 广州广日电梯工业有限公司 | Weighing device at bottom of elevator sedan -chair |
| CN207046621U (en) * | 2017-05-10 | 2018-02-27 | 菱王电梯股份有限公司 | Elevator car bottom weighting device structure |
| CN109890740A (en) * | 2016-11-01 | 2019-06-14 | 三菱电机株式会社 | The bearing calibration of lift appliance and scale device |
| CN211521271U (en) * | 2019-12-30 | 2020-09-18 | 上海威茨堡电梯有限公司 | Weighing device and sedan-chair bottom structure of elevator |
-
2021
- 2021-05-10 CN CN202110507506.1A patent/CN113148799A/en active Pending
-
2022
- 2022-01-27 CN CN202210099937.3A patent/CN114162694A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002154760A (en) * | 2000-11-20 | 2002-05-28 | Toshiba Corp | Overload detecting device for elevator |
| JP2011152962A (en) * | 2010-01-26 | 2011-08-11 | Mitsubishi Electric Building Techno Service Co Ltd | Elevator balance adjusting device |
| CN103274270A (en) * | 2013-06-09 | 2013-09-04 | 江南嘉捷电梯股份有限公司 | Lift car weighing device |
| CN105253738A (en) * | 2015-10-23 | 2016-01-20 | 嘉兴市特种设备检验检测院 | Detection method for elevator overload protection device |
| CN205602884U (en) * | 2016-04-27 | 2016-09-28 | 广州广日电梯工业有限公司 | Weighing device at bottom of elevator sedan -chair |
| CN109890740A (en) * | 2016-11-01 | 2019-06-14 | 三菱电机株式会社 | The bearing calibration of lift appliance and scale device |
| CN207046621U (en) * | 2017-05-10 | 2018-02-27 | 菱王电梯股份有限公司 | Elevator car bottom weighting device structure |
| CN211521271U (en) * | 2019-12-30 | 2020-09-18 | 上海威茨堡电梯有限公司 | Weighing device and sedan-chair bottom structure of elevator |
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| Publication number | Publication date |
|---|---|
| CN113148799A (en) | 2021-07-23 |
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