CN201268534Y - Elevator weighing apparatus - Google Patents
Elevator weighing apparatus Download PDFInfo
- Publication number
- CN201268534Y CN201268534Y CNU2008201623669U CN200820162366U CN201268534Y CN 201268534 Y CN201268534 Y CN 201268534Y CN U2008201623669 U CNU2008201623669 U CN U2008201623669U CN 200820162366 U CN200820162366 U CN 200820162366U CN 201268534 Y CN201268534 Y CN 201268534Y
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- Prior art keywords
- lever
- plate
- elevator
- bolt
- weighing apparatus
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- Lift-Guide Devices, And Elevator Ropes And Cables (AREA)
- Maintenance And Inspection Apparatuses For Elevators (AREA)
Abstract
The utility model discloses an elevator weighing device which comprises a switching component fixed at the upper end of an elevator upper beam (1), a rope hitch plate (2) fixed at the bottom end of the elevator upper beam (1), a rope backing plate (4) fixed on an elevator cabin, and a vibration isolating rubber (3) arranged between the rope hitch plate (2) and the rope backing plate (4); a lever (12) is arranged between the switching component and a lower supporting plate (5), one end of the lever (12) is hinged on an upper supporting plate (6), i.e., the power arm and the resistance force arm of the lever (12) are positioned at the same side of the fulcrum, the power arm of the lever (12) is propped against the lower supporting plate (5) in a matched way, and the resistance force arm of the lever (12) is propped against the switching component in a matched way. The elevator weighing device has the advantages of high sensitivity of detection and low cost.
Description
Technical field
The utility model relates to a kind of isolated plant of measuring the elevator load, specifically is a kind of elevator weighing apparatus that is installed in elevator rope hitch plate place.
Background technology
Elevator is in the middle of operation, and the weighting apparatus of elevator is extremely important for the safe operation of elevator.The weighting apparatus of prior art has two kinds: the structure that, adopts micro-switch, by the rope hitch plate compressing rubber, rubber can produce deformation along with the load variations of car, when reaching certain value, touches deflection micro-switch, thereby report to the police, because the compress variation of rubber has only certain value, this structure detection sensitivity is low, the out of reach operating needs; Two, adopt the pressure sensitive structure, by detecting the load that the steel rope tensile force is measured elevator, this mode check implement cost height needs regularly to adjust simultaneously.
The utility model content
The technical problems to be solved in the utility model is, a kind of detection sensitivity height, elevator weighing apparatus that cost is low are provided.
The technical solution of the utility model is, a kind of heavy device of elevator with following structure is provided, comprise be fixed on elevator put the beams in place the upper end control group, be fixed on elevator upper beam bottom rope hitch plate, be fixed on fag end backing plate on the lift car, be located at the vibration isolation rubber in the middle of rope hitch plate and the fag end backing plate; Be provided with lever between described control group and the lower support plate, one end of described lever is hinged on upper bearing plate, be that the power arm of described lever and resistance arm are the same sides at fulcrum, described lever moving arm cooperates with lower support plate and offsets, and its lever resistance arm cooperates with control group and offsets.
After adopting above structure, the utility model compared with prior art has the following advantages: owing to adopted lever construction, and when vibration isolation rubber has distortion, upwards push the power arm of lever by the bolt of lower support plate, simultaneously resistance arm also moves up, touch switch after reaching certain displacement since resistance arm to the displacement of top offset greater than power arm, the amount of elastic deformation of vibration isolation rubber is amplified, so the detection sensitivity height with respect to the pressure sensitive structure, has also reduced cost.
As improvement, also be provided with bolt between the power arm of lever and the resistance arm, described bolt is fixed by long waist shaped hole and upper bearing plate on the throw of lever, make lever slide up and down cooperation like this at bolt, described bolt also is with retracing spring, when the loading of car returns to when safe from overweight, retracing spring can make lever return to original state.
As further improvement, also be provided with bolt on the described lower support plate, the distance that can regulate lower support plate and lever.
As further improvement, described switch adapter plate is provided with the hole of long waist shaped, and the energy adjusting switch with this length of selecting resistance arm, is used for adjusting the enlargement ratio of lever in the position of lever.
Description of drawings
Accompanying drawing 1 is the structural representation of elevator weighing apparatus of the present utility model.
Accompanying drawing 2 is the left TV structure scheme drawing of elevator weighing apparatus of the present utility model.
As shown in the figure: 1, put the beams in place 2, rope hitch plate, 3, vibration isolation rubber, 4, fag end backing plate, 5, lower support plate, 6, upper bearing plate, 7, setting nut, 8, bolt, 9, axle, 10, bearing, 11, bearing carrier ring, 12, lever, 13, switch adapter plate, 14, stop nut, 15, retracing spring, 16, bolt, 17, switch.
The specific embodiment
The utility model is described in further detail below in conjunction with the drawings and specific embodiments.
As shown in Figure 1 and Figure 2, elevator weighing apparatus of the present utility model, comprise be fixed on elevator put the beams in place 1 upper end control group, be fixed on 1 bottom of putting the beams in place rope hitch plate 2, be fixed on fag end backing plate 4 on the lift car, be located at the vibration isolation rubber 3 in the middle of rope hitch plate 2 and the fag end backing plate 4; Also be provided with lever 12 between described control group and the lower support plate 5, one end of described lever 12 is hinged on upper bearing plate 6, be that the power arm of described lever 12 and resistance arm are the same sides at fulcrum, one end of described lever 12 is hinged on upper bearing plate 6 and is meant, described upper bearing plate 6 is provided with bearing 10, described bearing 10 inner rings are fixed on axle 9 flush fits on the upper bearing plate 6, described lever 12 is fixing with the bearing carrier ring 11 that is located at bearing 9 outer rings, the outer ring flush fit of described bearing carrier ring 11 and bearing 9, can make lever 12 like this is that rotate up and down in the center of circle with bearing 10, described lever 12 power arms cooperate to offset with lower support plate 5 and are meant, also be provided with bolt 8 on the described lower support plate 5, the power arm of described lever 12 with can withstand or cooperate away from the bolt 8 of lever 12, the resistance arm of described lever 12 cooperates to offset with control group and is meant, described control group comprises switch 17 and switch adapter plate 13, described switch 17 with can withstand or cooperate away from the resistance arm of the lever 12 of switch.
Also be provided with setting nut 7 on the described bolt 8, because bolt 8 is threaded with lower support plate 5, so just can adjustable bolt 8 arrive the distance of lever 12 by adjustment setting nut 7.
Also be provided with bolt 16 between the power arm of described lever 12 and the resistance arm, described bolt 16 is fixing by long waist shaped hole on the throw of lever and upper bearing plate 6, make like this lever 12 when rotating up and down and bolt 16 enough spaces are arranged and can not run into, described bolt 16 also is with retracing spring 15, the loading of car returns to when safe from overweight, retracing spring 15 can make lever 12 return to original state, described retracing spring 15 upper ends also are provided with stop nut 14, can require to regulate the tension force of retracing spring 15 according to reality, be compressed under described retracing spring 15 normalities.
Described switch adapter plate 13 is provided with the hole of long waist shaped, and energy adjusting switch 17 with this length of selecting resistance arm, is used for adjusting the value of magnification of lever 12 in the position of lever 12, and resistance arm is long more, and the multiplying power of being amplified is big more.
The utility model also allows following variation; described bearing 10 can be single needle bearing; also can be contained in two plain ball bearing on the axle 9, described switch 17 can be for micro-switch or near switch, more than these change all within protection domain of the present utility model.
The working process of elevator weighing apparatus of the present utility model is: when car increases load compression vibration isolation rubber 3, vibration isolation rubber 3 distortion that is under pressure, fag end backing plate 4 is moved up together with lower support plate 5, bolt 8 also moves up together simultaneously, bolt 8 upwards pushes the power arm of lever 12, making lever 12 is that the center of circle rotates up with bearing 10, touches the micro-switch on the power arm of lever 12 after reaching certain shift value, sends the overload signal.When car reduces load, the vibration isolation rubber distortion reduces, fag end backing plate 4 is moved down together with lower support plate 5, bolt 8 also moves down together simultaneously, be located at the retracing spring 15 that is in compressive state on the bolt 16 and give 12 1 downward power of lever, lever 12 is rotated down returns to initial condition, micro-switch resets simultaneously, cancellation overload signal.
Claims (7)
1, a kind of elevator weighing apparatus, comprise be fixed on elevator put the beams in place (1) upper end control group, be fixed on elevator put the beams in place (1) bottom rope hitch plate (2), be fixed on fag end backing plate (4) on the lift car, be located at the vibration isolation rubber (3) of rope hitch plate (2) and fag end backing plate (4) centre; It is characterized in that: be provided with lever (12) between described control group and the lower support plate (5), one end of described lever (12) is hinged on upper bearing plate (6), be that the power arm of described lever (12) and resistance arm are the same sides at fulcrum, described lever (12) power arm cooperates with lower support plate (5) and offsets, and its lever (12) resistance arm cooperates with control group and offsets.
2, elevator weighing apparatus according to claim 1, it is characterized in that: described lever (12) power arm cooperates to offset with lower support plate (5) and is meant, also be provided with bolt (8) on the described lower support plate (5), the power arm of described lever (12) with can withstand or cooperate away from the bolt (8) of lever (12).
3, elevator weighing apparatus according to claim 2 is characterized in that: also be provided with setting nut (7) on the described bolt (8).
4, elevator weighing apparatus according to claim 1, it is characterized in that: the resistance arm of described lever (12) cooperates to offset with control group and is meant, described control group comprises switch (17) and switch adapter plate (13), described switch (17) with can withstand or cooperate away from the resistance arm of the lever (12) of switch (17).
5, elevator weighing apparatus according to claim 4 is characterized in that: described switch adapter plate (13) is provided with the hole of long waist shaped.
6, elevator weighing apparatus according to claim 1, it is characterized in that: an end of described lever (12) is hinged on upper bearing plate (6) and is meant, described upper bearing plate (6) is provided with bearing (10), described bearing (10) inner ring and axle (9) flush fit that is fixed on the upper bearing plate (6), described lever (12) is fixing with the bearing carrier ring (11) that is located in bearing (10) outer ring, the outer ring flush fit of described bearing carrier ring (11) and bearing (10).
7, elevator weighing apparatus according to claim 1, it is characterized in that: also be provided with bolt (16) between the power arm of described lever (12) and the resistance arm, long waist shaped hole and upper bearing plate (6) that described bolt (16) passes on the lever (12) are fixing, described bolt (16) also is with retracing spring (15), and described retracing spring (15) upper end also is provided with stop nut (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201623669U CN201268534Y (en) | 2008-08-08 | 2008-08-08 | Elevator weighing apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201623669U CN201268534Y (en) | 2008-08-08 | 2008-08-08 | Elevator weighing apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201268534Y true CN201268534Y (en) | 2009-07-08 |
Family
ID=40841126
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008201623669U Expired - Lifetime CN201268534Y (en) | 2008-08-08 | 2008-08-08 | Elevator weighing apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201268534Y (en) |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102085992A (en) * | 2009-12-06 | 2011-06-08 | 王凤藻 | Load lifting limiter of lever type |
| CN102372238A (en) * | 2010-08-05 | 2012-03-14 | 徐州重型机械有限公司 | Crank arm locking detection device and aerial work engineering machinery with same |
| CN102659007A (en) * | 2012-05-15 | 2012-09-12 | 南通瑞鑫电子电器有限公司 | Elevator car overload protection 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 |
| CN103910263A (en) * | 2014-03-13 | 2014-07-09 | 昆明开物机械制造有限公司 | Safety device of construction elevator |
| CN104140025A (en) * | 2014-08-08 | 2014-11-12 | 康力电梯股份有限公司 | Lift car rope head fixing device |
| CN104876088A (en) * | 2015-06-22 | 2015-09-02 | 南通三洋电梯有限责任公司 | Lift car overload protection device |
| CN106044451A (en) * | 2016-08-05 | 2016-10-26 | 湖南世优电气股份有限公司 | Climb-free device overload detection device |
| CN106395579A (en) * | 2016-12-08 | 2017-02-15 | 巨人通力电梯有限公司 | No-machine room elevator top floor arrangement structure |
| CN108689274A (en) * | 2017-04-10 | 2018-10-23 | 株式会社日立制作所 | The weighing device of elevator |
| CN111266513A (en) * | 2020-02-13 | 2020-06-12 | 吴乘才 | Full-automatic riveting machine |
-
2008
- 2008-08-08 CN CNU2008201623669U patent/CN201268534Y/en not_active Expired - Lifetime
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102085992A (en) * | 2009-12-06 | 2011-06-08 | 王凤藻 | Load lifting limiter of lever type |
| CN102372238A (en) * | 2010-08-05 | 2012-03-14 | 徐州重型机械有限公司 | Crank arm locking detection device and aerial work engineering machinery with same |
| CN102372238B (en) * | 2010-08-05 | 2013-07-24 | 徐州重型机械有限公司 | Crank arm locking detection device and aerial work engineering machinery with same |
| CN102659007A (en) * | 2012-05-15 | 2012-09-12 | 南通瑞鑫电子电器有限公司 | Elevator car overload protection device |
| CN103274270B (en) * | 2013-06-09 | 2016-06-08 | 江南嘉捷电梯股份有限公司 | A kind of lift car weighing 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 |
| CN103910263A (en) * | 2014-03-13 | 2014-07-09 | 昆明开物机械制造有限公司 | Safety device of construction elevator |
| CN104140025A (en) * | 2014-08-08 | 2014-11-12 | 康力电梯股份有限公司 | Lift car rope head fixing device |
| CN104876088A (en) * | 2015-06-22 | 2015-09-02 | 南通三洋电梯有限责任公司 | Lift car overload protection device |
| CN106044451A (en) * | 2016-08-05 | 2016-10-26 | 湖南世优电气股份有限公司 | Climb-free device overload detection device |
| CN106395579A (en) * | 2016-12-08 | 2017-02-15 | 巨人通力电梯有限公司 | No-machine room elevator top floor arrangement structure |
| CN108689274A (en) * | 2017-04-10 | 2018-10-23 | 株式会社日立制作所 | The weighing device of elevator |
| CN108689274B (en) * | 2017-04-10 | 2020-07-07 | 株式会社日立制作所 | Weighing device of elevator |
| CN111266513A (en) * | 2020-02-13 | 2020-06-12 | 吴乘才 | Full-automatic riveting machine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20090708 |
|
| CX01 | Expiry of patent term |