CN100366519C - Elevator load weighing device - Google Patents
Elevator load weighing device Download PDFInfo
- Publication number
- CN100366519C CN100366519C CNB028283961A CN02828396A CN100366519C CN 100366519 C CN100366519 C CN 100366519C CN B028283961 A CNB028283961 A CN B028283961A CN 02828396 A CN02828396 A CN 02828396A CN 100366519 C CN100366519 C CN 100366519C
- Authority
- CN
- China
- Prior art keywords
- elevators
- adapter plate
- access
- measurement mechanism
- load cells
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 238000005303 weighing Methods 0.000 title abstract 4
- 238000005259 measurement Methods 0.000 claims description 26
- 238000012856 packing Methods 0.000 claims description 18
- 244000287680 Garcinia dulcis Species 0.000 description 2
- 230000032683 aging Effects 0.000 description 1
- 238000004873 anchoring Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B7/00—Other common features of elevators
- B66B7/06—Arrangements of ropes or cables
- B66B7/08—Arrangements of ropes or cables for connection to the cars or cages, e.g. couplings
-
- 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
- B66B1/3484—Load weighing or car passenger counting devices using load cells
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Automation & Control Theory (AREA)
- Computer Networks & Wireless Communication (AREA)
- Maintenance And Inspection Apparatuses For Elevators (AREA)
- Lift-Guide Devices, And Elevator Ropes And Cables (AREA)
- Elevator Control (AREA)
Abstract
The present invention relates to an improved measuring device for measuring the load of an elevator. The elevator comprises a cage, terminal device (36), an installing plate (42), a fastening device (38) and a weighing sensor (56), wherein the cage is suspended by a tension component in an elevator passage, the terminal device (36) is positioned at one end of the tension component (28), and the installing plate (42) is used for being connected with the terminal device correspondingly to the elevator passage. The terminal device is connected to the installing plate by the fastening device (38), the weighing sensor (56) is positioned between the fastening device and the installing plate, and the weighing sensor generates a signal in proportion to the load of the cage.
Description
Technical field
The present invention relates to a kind of device that is used to measure the load of lift car, more specifically, relate to the device that is used to measure the load on each tension part.
Background technology
US Patent 6021873 has been described a kind of load-measuring device that is positioned at terminal tethering device (or hookup mechanism), the tension part end is installed on the carriage, this carriage is installed to again on the plate, this plate is connected to a guide rail with respect to access to elevators fixed tensioning parts, an edge flange is connected on the plate with respect to guide rail, and a strain gage is connected to this flange.The load that car applied that is hung by tension part is delivered to the edge flange by plate, and flange design one-tenth in edge causes big distortion by the power that the lifting cable is applied to the edge plate in the edge flange, and the strain in the edge flange is measured by strain gage.
Japanese patent application 6-255933 has described a kind of load-measuring device that is positioned at the terminal tethering device, and the cable end is through a lower plate that is fixed to the access to elevators crossbeam, and the cable end is fixed to a upper plate, and this upper plate is fixed on the lower plate pivotally.A LOAD CELLS (or load cell) is positioned between upper plate and the lower plate, the load of car is delivered to the cable end, arrives upper plate by tension part, force it to rotate, thereby on LOAD CELLS, apply a power pro rata with the weight of car towards lower plate.
The load measuring system of prior art not only needs mounting structure, and load need be delivered to the setting of load-measuring device from mounting structure.
Contrast with the load on each tension part, prior art also provides the measurement of gross load.
Therefore, have a kind of demand of the load measurement equipment that improvement is simplified, it has been eliminated the needs of complex installation equipment and load measurement to independent tension part is provided.
Summary of the invention
The purpose of this invention is to provide a kind of improved device that is used to measure the load of elevator.
Another object of the present invention provides a kind of device, is used for measuring the load on each tension part of lift facility.
According to the present invention, a kind of measurement mechanism that is suspended on the load of the car in the access to elevators by a tension part that is used to measure is provided, described tension part comprises an end item in its end, and this measurement mechanism comprises: be used for the adapter plate that relative access to elevators connects described end item; Described end item is connected to the tethering device of adapter plate; Be positioned the LOAD CELLS between described tethering device and the described adapter plate, described LOAD CELLS is made and is produced and the proportional signal of load; At described bolt is self aligned packing ring between device and the described LOAD CELLS, described self aligned packing ring comprise the first that engages with described LOAD CELLS and with described bolt be the second portion of means for engaging, wherein said first and second portion are made and are bonded with each other this tethering device is remained on the position perpendicular to LOAD CELLS.
According to the present invention, a kind of measurement mechanism that is suspended on the car load in the access to elevators by a plurality of tension parts that is used to measure also is provided, in described a plurality of tension part each comprises an end item in its end, this measurement mechanism comprises: adapter plate is used for relative access to elevators and connects described a plurality of end item; A plurality of tethering devices are used in described a plurality of end items each is connected to described adapter plate; At each described bolt is self aligned packing ring between device and each the described LOAD CELLS, each described self aligned packing ring comprise the first that engages with described LOAD CELLS and with described bolt be the second portion of means for engaging, wherein the described first of each described self aligned packing ring and second portion are made and are bonded with each other this tethering device is remained on the position perpendicular to LOAD CELLS.
According to the present invention, a kind of elevator device also is provided, it comprises: a lift car, it is made in an access to elevators and moves; One tension part, it is included in the end item of its end; With one be used to measure the measurement mechanism that is suspended on the load of the car in the access to elevators by tension part, this measurement mechanism comprises: be used for the adapter plate that relative access to elevators connects described end item; Described end item is connected to the tethering device of adapter plate; Be positioned the LOAD CELLS between described tethering device and the described adapter plate, described weighting apparatus is made and is produced and the proportional signal of load; And be self aligned packing ring between device and each the described LOAD CELLS at each described bolt, each described self aligned packing ring comprises that the first and the described bolt that engage with described LOAD CELLS are the second portion of means for engaging, and wherein the described first of each described self aligned packing ring and second portion are made and be bonded with each other this tethering device is remained on the position perpendicular to LOAD CELLS.
Description of drawings
Fig. 1 is the scheme drawing according to a lift facility of the present invention;
Fig. 2 is the planar view according to load meausring apparatus of the present invention; And
Fig. 3 is the planar view of spherical washer.
The specific embodiment
According to the present invention, as shown in fig. 1, an elevator device 10 comprises a load-measuring device 12, elevator device 10 comprises a lift car 14, lift car is positioned in the access to elevators 16 by a machine 18, machine 18 illustrates at the top of access to elevators 16, and it is installed on the machine crossbeam 20.Yet the exact location of machine 18 is not crucial for the operation of load meausring apparatus 12.
In access to elevators, car is directed on guide rail 22, and counterweight 24 is used for the load of balance lift car 14, and counterweight is directed on second group of guide rail 26 in access to elevators.Tension part 28 hangs counterweight 24 and car 14, and tension part 28 is driven by machine 18, and it controls the position of car 14 and counterweight 24 again, and tension part 28 can comprise a plurality of cables or flat band.
In order to make skew minimum and designed adapter plate 42, wall or any other that adapter plate 42 can be fixed to guide rail 22, machine crossbeam 20, access to elevators are fit to support on the structure of weight of car 14.In another program, adapter plate 42 can remove, and end item can be directly connected on machine crossbeam 20 or other the suitable structure.
An equipped spring or damper element 44 are well known in the art on bar 38, and spring 44 is remained in the upper surface 46 and the position between the packing ring 48 of adapter plate 42 by first nut 50, jam nut 52 and spring cotter 54.According to the present invention, a LOAD CELLS 56 is between the upper surface 46 of spring 44 and adapter plate 42, packing ring 58 is fitted between LOAD CELLS 56 and the spring 44 to be evenly distributed load on LOAD CELLS 56, LOAD CELLS 56 has the belt shape of having determined a hole, and bar 38 passes this hole.
Each tension part 28 bears a part of weight of car 14 and its Loaded goods, and this part weight is by corresponding LOAD CELLS 56 sensings, and LOAD CELLS is compressed pro rata with load between spring 44 and upper surface 46.
LOAD CELLS 56 generally includes a bonded assembly thin slice multicore full-bridge (bonded foilstranded and full bridge) (not shown), its produce one with the proportional electric signal of load, amounted to together to obtain gross load from the signal of each LOAD CELLS 56.Can also analyze that payload segment that bears by each tension part to determine separately to signal.
By measuring the load on each tension part 28, so can be by tightening or loose nut 50 and 52 pairs of springs 44 are regulated, so that the load that each tension part 28 bears equates.By the load in each tension part 28 of independent measurement, so when the load of bearing when each tension part 28 changes in time, can also sense any aging elongation of tension part 28.
In second embodiment of the present invention, a spherical washer 60 comprises a top 62a and a bottom 62b, top has the lower surface 64b of flat upper surface 64a and projection, upper surface 64a engages with spring 44, and the lower surface 64b of projection engages with the recessed upper surface 66a of bottom 62b, bottom 62b has a flat lower surface 66b, and this lower surface 66b engages with the upper surface 46 of adapter plate 42.
The mutual action of the lower surface 64b of projection and recessed upper surface 66a is evenly distributed load on LOAD CELLS 56, being evenly distributed of load makes that contingent any mistake minimizes when the load that detection applies.
Above stated specification is exemplary and not restrictive, and according to above-mentioned instruction, many changes of the present invention and variation all are possible.Though disclosed preferred implementation of the present invention, but a those of ordinary skill of this area can be recognized, can make some change within the scope of the invention, therefore, should be appreciated that, in the scope of appended claim, the present invention can with specifically described mode different mode implement, so, should think that following claim determined exact range of the present invention and content.
Claims (19)
1. one kind is used to measure the measurement mechanism that is suspended on the load of the car in the access to elevators by a tension part, and described tension part comprises an end item in its end, and this measurement mechanism comprises:
Be used for the adapter plate that relative access to elevators connects described end item;
Described end item is connected to the tethering device of adapter plate;
Be positioned the LOAD CELLS between described tethering device and the described adapter plate, described LOAD CELLS is made and is produced and the proportional signal of load;
At described bolt is self aligned packing ring between device and the described LOAD CELLS, described self aligned packing ring comprise the first that engages with described LOAD CELLS and with described bolt be the second portion of means for engaging,
Wherein said first and second portion are made and are bonded with each other this tethering device is remained on the position perpendicular to LOAD CELLS.
2. measurement mechanism as claimed in claim 1 is characterized in that described LOAD CELLS comprises belt shape.
3. measurement mechanism as claimed in claim 1 is characterized in that, described lift car makes that guide rail in the access to elevators moves and wherein said adapter plate is fixed on the described guide rail along being positioned.
4. measurement mechanism as claimed in claim 1 is characterized in that it also comprises the crossbeam at the top that is positioned at access to elevators, and this crossbeam is connected on the described adapter plate.
5. measurement mechanism as claimed in claim 1 is characterized in that described access to elevators is limited by an elevator, and described adapter plate is connected to this elevator.
6. measurement mechanism as claimed in claim 4 is characterized in that described end item is connected on the described crossbeam.
7. measurement mechanism as claimed in claim 1 is characterized in that, described first comprises a face joint that is used for second portion in projection and the recessed surface, and the surface of second portion comprises another in projection and the recessed surface.
8. one kind is used to measure the measurement mechanism that is suspended on the load of the car in the access to elevators by a plurality of tension parts, and each in described a plurality of tension parts comprises an end item in its end, and this measurement mechanism comprises:
Adapter plate is used for relative access to elevators and connects described a plurality of end item;
A plurality of tethering devices are used in described a plurality of end items each is connected to described adapter plate;
At each described bolt is self aligned packing ring between device and each the described LOAD CELLS, each described self aligned packing ring comprise the first that engages with described LOAD CELLS and with described bolt be the second portion of means for engaging,
Wherein the described first of each described self aligned packing ring and second portion are made and are bonded with each other this tethering device is remained on the position perpendicular to LOAD CELLS.
9. measurement mechanism as claimed in claim 8 is characterized in that,
Described lift car make along be positioned that guide rail in the access to elevators moves and
Described adapter plate is fixed on this guide rail.
10. measurement mechanism as claimed in claim 8 is characterized in that it also comprises the crossbeam at the top that is positioned at access to elevators, and this crossbeam is connected on the described adapter plate.
11. measurement mechanism as claimed in claim 8 is characterized in that, described access to elevators is limited by an elevator, and described adapter plate is connected to this elevator.
12. measurement mechanism as claimed in claim 10 is characterized in that, described end item is connected on the described crossbeam.
13. an elevator device, it comprises:
One lift car, it is made in an access to elevators and moves;
One tension part, it is included in the end item of its end; With
One is used to measure the measurement mechanism that is suspended on the load of the car in the access to elevators by tension part, and this measurement mechanism comprises:
Be used for the adapter plate that relative access to elevators connects described end item;
Described end item is connected to the tethering device of adapter plate;
Be positioned the LOAD CELLS between described tethering device and the described adapter plate, described weighting apparatus is made and is produced and the proportional signal of load; With
At each described bolt is self aligned packing ring between device and each the described LOAD CELLS, and each described self aligned packing ring comprises that the first and the described bolt that engage with described LOAD CELLS are the second portion of means for engaging,
Wherein the described first of each described self aligned packing ring and second portion are made and are bonded with each other this tethering device is remained on the position perpendicular to LOAD CELLS.
14. elevator device as claimed in claim 13 is characterized in that, described LOAD CELLS comprises belt shape.
15. elevator device as claimed in claim 13 is characterized in that, also comprises:
Be positioned at the guide rail of access to elevators,
Wherein said lift car make along described guide rail move and
Described adapter plate is fixed on the described guide rail.
16. elevator device as claimed in claim 13 is characterized in that,
Described access to elevators is limited by an elevator, and
Described adapter plate is connected to this elevator.
17. elevator device as claimed in claim 13 is characterized in that,
Described first comprises a face joint that is used for second portion in projection and the recessed surface, and the surface of second portion comprises another in projection and the recessed surface.
18. elevator device as claimed in claim 13 is characterized in that, also comprises:
One is positioned at the crossbeam at access to elevators top, and this crossbeam is connected on the described adapter plate.
19. elevator device as claimed in claim 18 is characterized in that, described end item is connected on the described crossbeam.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/US2002/006216 WO2003074406A1 (en) | 2002-02-28 | 2002-02-28 | Elevator load weighing device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1622914A CN1622914A (en) | 2005-06-01 |
| CN100366519C true CN100366519C (en) | 2008-02-06 |
Family
ID=27787369
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB028283961A Expired - Fee Related CN100366519C (en) | 2002-02-28 | 2002-02-28 | Elevator load weighing device |
Country Status (9)
| Country | Link |
|---|---|
| EP (1) | EP1478591B1 (en) |
| JP (1) | JP4102760B2 (en) |
| KR (1) | KR100872220B1 (en) |
| CN (1) | CN100366519C (en) |
| AU (1) | AU2002240562A1 (en) |
| DE (1) | DE60234718D1 (en) |
| ES (1) | ES2337659T3 (en) |
| HK (1) | HK1076790A1 (en) |
| WO (1) | WO2003074406A1 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102765648A (en) * | 2011-05-05 | 2012-11-07 | 上海三菱电梯有限公司 | Tension measuring and adjusting device for suspension rope of elevator |
| CN107848735A (en) * | 2015-07-10 | 2018-03-27 | 迪娜赛乐电子公司 | Force cell |
Families Citing this family (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| ES2249169B1 (en) * | 2004-09-02 | 2007-03-16 | Dinacell Electronica, S.L. | LOAD CELL FOR ELEVATORS AND SIMILAR. |
| EP1792868A4 (en) * | 2004-09-24 | 2012-01-18 | Mitsubishi Electric Corp | Machine room-less elevator apparatus |
| JP4929785B2 (en) * | 2006-03-28 | 2012-05-09 | 三菱電機株式会社 | Elevator control cable device |
| CN103072872A (en) * | 2011-10-25 | 2013-05-01 | 康力电梯股份有限公司 | Rope end hanging plate device |
| CN103708320B (en) * | 2012-10-08 | 2015-10-07 | 上海力夏检测技术有限公司 | A kind of portable multi rope winding system rope tension equilibrium instrument |
| CN102910514B (en) * | 2012-11-01 | 2015-03-04 | 日立电梯（中国）有限公司 | Elevator car weighing system and weighing method |
| JP6170810B2 (en) * | 2013-10-29 | 2017-07-26 | 株式会社日立ビルシステム | Elevator main rope tension measuring device and elevator control system |
| ES1143983Y (en) * | 2015-09-01 | 2015-12-16 | Lift Sensor S L | CABLE TENSION CONTROL DEVICE |
| CN105752781B (en) * | 2015-12-15 | 2018-06-22 | 上海长江斯迈普电梯有限公司 | Elevator intelligent weighing device and control method |
| EP3210924A1 (en) | 2016-02-23 | 2017-08-30 | Inventio AG | Elevator connection assembly with strain gauge |
| WO2018217344A1 (en) * | 2017-05-26 | 2018-11-29 | Tim Ebeling | Suspension member equalization system for elevators |
| US10618772B2 (en) * | 2017-06-20 | 2020-04-14 | Otis Elevator Company | Elevator termination assembly that provides an indication of elevator car load |
| CN109250597A (en) * | 2018-11-06 | 2019-01-22 | 广州绰立科技有限公司 | Elevator car loading device antidote |
| CN110342364A (en) * | 2019-07-26 | 2019-10-18 | 大连凯晟科技发展有限公司 | A kind of elevator overload device to test instrument |
| EP4175905B1 (en) * | 2020-07-03 | 2025-04-16 | KONE Corporation | A tension member tension monitoring arrangement, a tension member tension monitoring method and an elevator |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4793442A (en) * | 1987-11-05 | 1988-12-27 | Schindler Elevator Corporation | Method and apparatus for providing pre-travel balancing energy to an elevator drive |
| JPH028176A (en) * | 1988-06-24 | 1990-01-11 | Mitsubishi Electric Corp | Load detection device for elevator |
| JPH0398975A (en) * | 1989-09-11 | 1991-04-24 | Mitsubishi Electric Corp | Scaling device for elevator |
| JP3300061B2 (en) * | 1991-11-15 | 2002-07-08 | オーチス エレベータ カンパニー | Assembly for load measurement of elevator vehicles |
| JPH06255933A (en) * | 1993-03-03 | 1994-09-13 | Otis Elevator Co | Detector of overload of elevator |
| US5421422A (en) * | 1993-11-19 | 1995-06-06 | Boretec Inc | Roller cutter mount for tunneling machine |
| US6123176A (en) * | 1996-05-28 | 2000-09-26 | Otis Elevator Company | Rope tension monitoring assembly and method |
| FI107249B (en) * | 1996-12-20 | 2001-06-29 | Kone Corp | Method and apparatus for measuring the load on an elevator |
| JP2000086114A (en) | 1998-09-14 | 2000-03-28 | Toshiba Corp | Elevator |
| KR100319936B1 (en) * | 1999-03-04 | 2002-01-09 | 장병우 | Vibration reducing device for elevator car |
| US6341669B1 (en) * | 2000-06-21 | 2002-01-29 | Otis Elevator Company | Pivoting termination for elevator rope |
-
2002
- 2002-02-28 JP JP2003572886A patent/JP4102760B2/en not_active Expired - Fee Related
- 2002-02-28 KR KR1020047012528A patent/KR100872220B1/en not_active Expired - Fee Related
- 2002-02-28 AU AU2002240562A patent/AU2002240562A1/en not_active Abandoned
- 2002-02-28 ES ES02706477T patent/ES2337659T3/en not_active Expired - Lifetime
- 2002-02-28 EP EP02706477A patent/EP1478591B1/en not_active Expired - Lifetime
- 2002-02-28 DE DE60234718T patent/DE60234718D1/en not_active Expired - Lifetime
- 2002-02-28 CN CNB028283961A patent/CN100366519C/en not_active Expired - Fee Related
- 2002-02-28 WO PCT/US2002/006216 patent/WO2003074406A1/en active Application Filing
-
2005
- 2005-10-05 HK HK05108833A patent/HK1076790A1/en not_active IP Right Cessation
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102765648A (en) * | 2011-05-05 | 2012-11-07 | 上海三菱电梯有限公司 | Tension measuring and adjusting device for suspension rope of elevator |
| CN107848735A (en) * | 2015-07-10 | 2018-03-27 | 迪娜赛乐电子公司 | Force cell |
Also Published As
| Publication number | Publication date |
|---|---|
| ES2337659T3 (en) | 2010-04-28 |
| JP2005519009A (en) | 2005-06-30 |
| KR100872220B1 (en) | 2008-12-05 |
| AU2002240562A1 (en) | 2003-09-16 |
| KR20040084907A (en) | 2004-10-06 |
| CN1622914A (en) | 2005-06-01 |
| HK1076790A1 (en) | 2006-01-27 |
| WO2003074406A1 (en) | 2003-09-12 |
| EP1478591A1 (en) | 2004-11-24 |
| JP4102760B2 (en) | 2008-06-18 |
| DE60234718D1 (en) | 2010-01-21 |
| EP1478591B1 (en) | 2009-12-09 |
| EP1478591A4 (en) | 2008-09-03 |
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