CN202710245U - Instrument for testing gravitational center of elevator car - Google Patents

Instrument for testing gravitational center of elevator car Download PDF

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Publication number
CN202710245U
CN202710245U CN 201220333498 CN201220333498U CN202710245U CN 202710245 U CN202710245 U CN 202710245U CN 201220333498 CN201220333498 CN 201220333498 CN 201220333498 U CN201220333498 U CN 201220333498U CN 202710245 U CN202710245 U CN 202710245U
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CN
China
Prior art keywords
axis
load carrier
wheel load
motor
upper bracket
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
Application number
CN 201220333498
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Chinese (zh)
Inventor
区纪宜
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sanyo Elevator Zhuhai Co Ltd
Original Assignee
Sanyo Elevator Zhuhai Co Ltd
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Filing date
Publication date
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Priority to CN 201220333498 priority Critical patent/CN202710245U/en
Application granted granted Critical
Publication of CN202710245U publication Critical patent/CN202710245U/en
Anticipated expiration legal-status Critical
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Abstract

The utility model discloses an instrument for testing the gravitational center of an elevator car and the instrument is simple in structure, convenient to operate and capable of rapidly catching the gravitational center of an elevator car. The instrument comprises an elevator car mounting base (1), an upper bracket (2) and a lower bracket (3), wherein the elevator car mounting base (1) is fixedly arranged in the central position of the upper bracket (2); an X-axis dual-wheel load-bearing device (4) freely moving along an X axis and a Y-axis dual-wheel load-bearing device (5) freely moving along an Y axis are arranged between the upper bracket (2) and the lower bracket (3); the upper bracket (2) is in floating connection with the lower bracket (3) through the X-axis dual-wheel load-bearing device (4) and the Y-axis dual-wheel load-bearing device (5); the X-axis dual-wheel load-bearing device (4) and the Y-axis dual-wheel load-bearing device (5) are respectively provided with a pressure sensor (6); and the pressure sensors (6) are electrically connected with a peripheral control console. The instrument disclosed by the utility model can be applied to the field of elevator cars.

Description

Car center of gravity tester
Technical field
The utility model relates to a kind of car center of gravity tester.
Background technology
Elevator cage device by car frame, sedan-chair at the bottom of, sedan-chair wall, sedan-chair top, gate, a door machine lead the component combinations such as boots and safety tongs and form.Determining of the centre of gravity place of car is the problem of a more complicated, and reason is to make different, the different different steel of parts use of material of car, and the density of steel itself is different, and the center of gravity of whole car is difficult to determine fast.
Whether the center of gravity of lift car and car guide rail end face vertical center line be coplanar, very big for the performance index impact of elevator.When deviation is larger, to make the monolateral line contact of guide shoe bush, very large moment of flexure of different rail is given in the car effect, cause elevator energy consumption to rise (can obviously find out with power meter), vibrate large (especially horizontal vibration), and the vibration frequency of horizontal direction increases, running noises is large. and cause that the person of taking advantage of is uncomfortable, even exceed standard-required.Particularly along with being on the increase of Retrofit of Elevator, decoration, replacing compartment system and nonstandard design elevator in recent years, how to have great significance with a kind of center of gravity position convenient, that effective method is determined car.
Existing technology generally all is to need the tester to carry heavy testing tool to remove field test to the car erecting stage.This method of testing had both needed the tester to have higher professional standards, and difficulty of test is large, even the tester is threatened safely.And the result of on-the-spot test is not easy to guarantee precision, needs repeatedly test to determine.
The utility model content
Technical problem to be solved in the utility model is to overcome the deficiencies in the prior art, provides a kind of simple in structure, easy to operate and can catch fast the car center of gravity tester of catching the car center of gravity.
The technical scheme that the utility model adopts is: the utility model comprises the car mount pad, upper bracket and lower carriage, described car mount pad is fixedly installed on the center of described upper bracket, between described upper bracket and described lower carriage, be provided with along X-axis free-moving X-axis two-wheel load carrier with along the free-moving Y-axis two-wheel of Y-axis load carrier, described upper bracket is by described X-axis two-wheel load carrier and described Y-axis two-wheel load carrier and described lower carriage floating connection, be provided with pressure transducer at described X-axis two-wheel load carrier and described Y-axis two-wheel load carrier, described pressure transducer is electrically connected with the control desk of periphery.
Be provided with X motor and Y motor at described lower carriage, described X-axis two-wheel load carrier moves in X-axis by described X motor-driven, described Y-axis two-wheel load carrier moves in Y-axis by described Y motor-driven, and described X motor and described Y motor all are electrically connected with the control desk of periphery.
Be provided with along the X-axis electronic ruler of X-direction with along the Y-axis electronic ruler of Y direction at described upper bracket or described lower carriage, described X-axis electronic ruler and described Y-axis electronic ruler all are electrically connected with peripheral control desk.
On described lower carriage, also be provided with the rope compensation device, described rope compensation device is comprised of single-wheel spandrel girder, the Mobile base, vertical telescopic bar and the horizontal drive motor that are slidingly fitted on the described single-wheel spandrel girder, described vertical telescopic bar and described horizontal drive motor all are arranged on the described Mobile base, described vertical telescopic bar upper end is provided with link plate, the described vertical telescopic bar of described horizontal drive motor-driven is done stretching motion in vertical direction, and described horizontal drive motor is electrically connected with the control desk of periphery.
Described upper bracket is by being positioned at four root post I on the symmetric position, being positioned at the two X-axis rail I that are parallel to each other on the X-direction and the two Y-axis rail I that are parallel to each other that are positioned on the Y direction form, described pair of X-axis rail I is fixedly connected with four described column I respectively with described pair of Y-axis rail I, and described upper bracket is observed from depression angle and is square.
Described lower carriage is by being positioned at four root post II on the symmetric position, being positioned at the two X-axis rail II that are parallel to each other on the X-direction and the two Y-axis rail II that are parallel to each other that are positioned on the Y direction form, described pair of X-axis rail II is fixedly connected with four described column II respectively with described pair of Y-axis rail II, and described lower carriage is observed from depression angle and is square.
Four described column I are the corresponding top that is arranged on four described column II respectively, is provided with guidepost between described column I and the described column II.
Described X motor, described Y motor and described horizontal drive motor are servomotor.
The beneficial effects of the utility model are: because the utility model comprises the car mount pad, upper bracket and lower carriage, described car mount pad is fixedly installed on the center of described upper bracket, between described upper bracket and described lower carriage, be provided with along X-axis free-moving X-axis two-wheel load carrier with along the free-moving Y-axis two-wheel of Y-axis load carrier, described upper bracket is by described X-axis two-wheel load carrier and described Y-axis two-wheel load carrier and described lower carriage floating connection, be provided with pressure transducer at described X-axis two-wheel load carrier and described Y-axis two-wheel load carrier, described pressure transducer is electrically connected with the control desk of periphery, so, the utility model is by being fixed on car on the described car mount pad, by described X-axis two-wheel load carrier and described Y-axis two-wheel load carrier, whole car relies on four two-wheel system support of described X-axis two-wheel load carrier and described Y-axis two-wheel load carrier fully together with described upper bracket, and the pressure transducer that is arranged on described X-axis two-wheel load carrier and the described Y-axis two-wheel load carrier can and send on the peripheral control desk the stressed collection in four two-wheel systems, the pressure size that peripheral control desk is collected according to pressure transducer, adjust described X-axis two-wheel load carrier mobile in X-axis, adjust described Y-axis two-wheel load carrier mobile in Y-axis, until four two-wheel systems of the described X-axis two-wheel load carrier that peripheral control desk is collected and described Y-axis two-wheel load carrier is stressed identical, at this moment, move the displacement comparison of front and back on X-axis and Y-axis according to described X-axis two-wheel load carrier and described Y-axis two-wheel load carrier, by calculating the center of gravity point of car; The utility model is simple in structure, and is easy to operate, and can catch rapidly the center of gravity of catching car.
Owing to being provided with X motor and Y motor at described lower carriage, described X-axis two-wheel load carrier moves in X-axis by described X motor-driven, described Y-axis two-wheel load carrier moves in Y-axis by described Y motor-driven, described X motor and described Y motor all are electrically connected with the control desk of periphery, so, the utility model drives respectively described X-axis two-wheel load carrier and described Y-axis two-wheel load carrier by described X motor and described Y motor, and described X motor and described Y motor are controlled by the control desk of periphery, guaranteed the displacement accuracy of described X-axis two-wheel load carrier and described Y-axis two-wheel load carrier, so that described pressure transducer can be measured the stressed of two two-wheel systems on the stressed and described Y-axis two-wheel load carrier of two two-wheel systems on the described X-axis two-wheel load carrier exactly, improve measuring speed and the measuring accuracy of car center of gravity, improved the robotization of measuring.
Owing to being provided with along the X-axis electronic ruler of X-direction with along the Y-axis electronic ruler of Y direction at described upper bracket or described lower carriage, described X-axis electronic ruler and described Y-axis electronic ruler all are electrically connected with the control desk of periphery, so, setting by described electronic ruler, can be fast and measure exactly described X-axis two-wheel load carrier and the described Y-axis two-wheel load carrier displacement size before and after mobile, the position that after peripheral controllers is processed, can measure rapidly the car center of gravity.
Owing on described lower carriage, also being provided with the rope compensation device, described rope compensation device is by the single-wheel spandrel girder, be slidingly fitted in the Mobile base on the described single-wheel spandrel girder, vertical telescopic bar and horizontal drive motor form, described vertical telescopic bar and described horizontal drive motor all are arranged on the described Mobile base, described vertical telescopic bar upper end is provided with link plate, the described vertical telescopic bar of described horizontal drive motor-driven is done stretching motion in vertical direction, described horizontal drive motor is electrically connected with the control desk of periphery, so, setting by described rope compensation device, can simulate the rope compensation system that is used for high-rise car, so that the measurement of car center of gravity can be contained high-rise and low layer car, satisfy the center of gravity of various cars and measure.
Because four described column I are the corresponding top that is arranged on four described column II respectively, be provided with guidepost between described column I and the described column II, so guidepost can guarantee that the correspondence position of described upper bracket and described lower carriage is consistent, guarantee the measuring accuracy of car center of gravity.
Description of drawings
Fig. 1 is the structural representation of the utility model embodiment one;
Fig. 2 is the structural representation of the utility model embodiment two;
Fig. 3 is the utility model structural representation that partly explodes;
Fig. 4 is Facad structure schematic diagram of the present utility model.
Embodiment
Embodiment one:
Such as Fig. 1, Fig. 3, shown in Figure 4, the utility model comprises car mount pad 1, upper bracket 2 and lower carriage 3, described car mount pad 1 is fixedly installed on the center of described upper bracket 2, be provided with between described upper bracket 2 and described lower carriage 3 along the free-moving X-axis two-wheel of X-axis load carrier 4 with along the free-moving Y-axis two-wheel of Y-axis load carrier 5, described upper bracket 2 is by described X-axis two-wheel load carrier 4 and described Y-axis two-wheel load carrier 5 and described lower carriage 3 floating connections.Be provided with pressure transducer 6 at described X-axis two-wheel load carrier 4 and described Y-axis two-wheel load carrier 5, described pressure transducer 6 is electrically connected with the control desk of periphery.
Be provided with X motor 7 and Y motor 8 at described lower carriage 3, described X-axis two-wheel load carrier 4 drives by described X motor 7 and moves in X-axis, and described Y-axis two-wheel load carrier 5 drives by described Y motor 8 and moves in Y-axis.Described X motor 7 and described Y motor 8 all are electrically connected with the control desk of periphery.In the present embodiment, described X motor 7 and described Y motor 8 all adopt servomotor.
Be provided with along the X-axis electronic ruler 9 of X-direction with along the Y-axis electronic ruler 10 of Y direction at described upper bracket 2 or described lower carriage 3, in the present embodiment, described X-axis electronic ruler 9 and described Y-axis electronic ruler 10 are arranged on the described upper bracket 2.Described X-axis electronic ruler 9 and described Y-axis electronic ruler 10 all are electrically connected with the control desk of periphery.
Described upper bracket 2 is by being positioned at four root post I 17 on the symmetric position, being positioned at the two X-axis rail I 18 that are parallel to each other on the X-direction and the two Y-axis rail I 19 that are parallel to each other that are positioned on the Y direction form.Described pair of X-axis rail I 18 is fixedly connected with four described column I 17 respectively with described pair of Y-axis rail I 19.Described upper bracket 2 is observed from depression angle and is square.Described pair of X-axis rail I 18 is respectively as the relative both sides of described square, and described pair of Y-axis rail I 19 is as the relative both sides of described foursquare another group.Described pair of X-axis rail I 18 is arranged on the sustained height place of four described column I 17.Described pair of Y-axis rail I 19 is arranged on the sustained height of four described column I 17.Described pair of X-axis rail I 18 and described pair of Y-axis rail I 19 places are at various height.
Described lower carriage 3 is by being positioned at four root post II 20 on the symmetric position, being positioned at the two X-axis rail II 21 that are parallel to each other on the X-direction and the two Y-axis rail II 22 that are parallel to each other that are positioned on the Y direction form.Described pair of X-axis rail II 21 is fixedly connected with four described column II 20 respectively with described pair of Y-axis rail II 22.Described lower carriage 3 is observed from depression angle and is square.Described pair of X-axis rail II 21 is respectively as the relative both sides of described square, and described pair of Y-axis rail II 22 is as the relative both sides of described foursquare another group.Described pair of X-axis rail II 21 is arranged on the sustained height place of four described column II 20.Described pair of Y-axis rail II 22 is arranged on the sustained height of four described column II 20.Described pair of X-axis rail II 21 and described pair of Y-axis rail II 22 places are at various height.
Four described column I 17 are the corresponding top that is arranged on four described column II 20 respectively, is provided with guidepost 23 between described column I 17 and the described column II 20.
The described pair of X-axis rail I 18 on the described upper bracket 2 is corresponding parallel respectively with the described pair of X-axis rail II 21 on the described lower carriage 3, and described X-axis two-wheel load carrier 4 just in time is clamped between described pair of X-axis rail I 18 and the described pair of X-axis rail II 21.The described pair of Y-axis rail I 19 on the described upper bracket 2 is corresponding parallel respectively with the described pair of Y-axis rail II 22 on the described lower carriage 3, and described Y-axis two-wheel load carrier 5 just in time is clamped between described pair of Y-axis rail I 19 and the described pair of Y-axis rail II 22.Under the effect of described X-axis two-wheel load carrier 4 and described Y-axis two-wheel load carrier 5, described whole upper bracket 2 floating connections are on described lower carriage 3.
The course of work of the present utility model is as follows: car is fixed on the described car mount pad 1, by described X-axis two-wheel load carrier 4 and described Y-axis two-wheel load carrier 5, whole car relies on two two-wheel systems and two two-wheel systems of described Y-axis two-wheel load carrier 5, totally four two-wheel system support of described X-axis two-wheel load carrier 4 fully together with described upper bracket 2.And the pressure transducer 6 that is arranged in the two-wheel system on described X-axis two-wheel load carrier 4 and the described Y-axis two-wheel load carrier 5 can and send on the peripheral control desk the stressed collection in four two-wheel systems.Peripheral control desk is adjusted described X-axis two-wheel load carrier 4 mobile in X-axis according to the pressure size that described pressure transducer 6 acquires, and adjusts described Y-axis two-wheel load carrier 5 mobile in Y-axis.Until four two-wheel systems of the described X-axis two-wheel load carrier 4 that peripheral control desk is collected and described Y-axis two-wheel load carrier 5 is stressed identical.At this moment, move the displacement comparison of front and back on X-axis and Y-axis according to described X-axis two-wheel load carrier 4 and described Y-axis two-wheel load carrier 5, by calculating the center of gravity point of car.
The utility model has the advantages that: utilize the utility model tester, can realize before car dispatches from the factory, just determining the center of gravity of car, need not the tester and remove to carry out field test to the scene.Utilize the utility model tester to test, can follow the tracks of product quality.After utilizing the utility model test car center of gravity, can form batch production, car product for same batch, not needing that each car is carried out center of gravity tests, improved widely the efficient of car center of gravity test, improve work efficiency, indirectly reduced testing cost.
Embodiment two:
Such as Fig. 2, Fig. 3, shown in Figure 4, the difference of the present embodiment and embodiment one is: also be provided with rope compensation device 11 on described lower carriage 3.Described rope compensation device 11 is comprised of single-wheel spandrel girder 12, the Mobile base 13, vertical telescopic bar 14 and the horizontal drive motor 15 that are slidingly fitted on the described single-wheel spandrel girder 12, and described vertical telescopic bar 14 and described horizontal drive motor 15 all are arranged on the described Mobile base 13.Realize connecting by worm gear structure between described vertical telescopic bar 14 and the described horizontal drive motor 15.Described vertical telescopic bar 14 upper ends are provided with link plate 16.Described horizontal drive motor 15 drives described vertical telescopic bar 14 and does in vertical direction stretching motion.Described horizontal drive motor 14 is electrically connected with the control desk of periphery.Described horizontal drive motor 15 is servomotor.
The setting of described rope compensation device 11 is high-rise with the rope compensation system in the car in order to simulate.For the high level car, the length of ropes can be very long, and its weight also can strengthen greatly.The weight of ropes will exert an influence to whole cage operation, must carry out analyze and solve to this problem.In the utility model, when the center of gravity of car is tested, also this problem of rope compensation is explored.
According to the specification of lift car, set the rope compensation point of fixity at the crossbeam of car bottom.The utility model adopts single-wheel spandrel girder 12 to support whole described rope compensation device 11, is in order to adapt to different excessively individual lift cars, according to different lift cars, can to move described single-wheel spandrel girder 12 and adapt to dissimilar car.Described Mobile base 13 is slidingly fitted in described single-wheel spandrel girder 12, can be according to the difference of rope compensation point of fixity, manually promote described Mobile base 13 and move, make the link plate 16 of described vertical telescopic bar 14 upper ends can hang over rope compensation point of fixity on the crossbeam of car bottom.Simulate faithfully the rope compensation system.
The utility model can be applicable to the lift car field.

Claims (8)

1. car center of gravity tester, it is characterized in that: it comprises car mount pad (1), upper bracket (2) and lower carriage (3), described car mount pad (1) is fixedly installed on the center of described upper bracket (2), between described upper bracket (2) and described lower carriage (3), be provided with along the free-moving X-axis two-wheel of X-axis load carrier (4) with along the free-moving Y-axis two-wheel of Y-axis load carrier (5), described upper bracket (2) is by described X-axis two-wheel load carrier (4) and described Y-axis two-wheel load carrier (5) and described lower carriage (3) floating connection, be provided with pressure transducer (6) at described X-axis two-wheel load carrier (4) and described Y-axis two-wheel load carrier (5), described pressure transducer (6) is electrically connected with the control desk of periphery.
2. car center of gravity tester according to claim 1, it is characterized in that: be provided with X motor (7) and Y motor (8) at described lower carriage (3), described X-axis two-wheel load carrier (4) drives by described X motor (7) and moves in X-axis, described Y-axis two-wheel load carrier (5) drives by described Y motor (8) and moves in Y-axis, and described X motor (7) and described Y motor (8) all are electrically connected with the control desk of periphery.
3. car center of gravity tester according to claim 1, it is characterized in that: be provided with along the X-axis electronic ruler (9) of X-direction with along the Y-axis electronic ruler (10) of Y direction at described upper bracket (2) or described lower carriage (3), described X-axis electronic ruler (9) and described Y-axis electronic ruler (10) all are electrically connected with peripheral control desk.
4. according to claim 1 to 3 each described car center of gravity testers, it is characterized in that: on described lower carriage (3), also be provided with rope compensation device (11), described rope compensation device (11) is by single-wheel spandrel girder (12), be slidingly fitted in the Mobile base (13) on the described single-wheel spandrel girder (12), vertical telescopic bar (14) and horizontal drive motor (15) form, described vertical telescopic bar (14) and described horizontal drive motor (15) all are arranged on the described Mobile base (13), described vertical telescopic bar (14) upper end is provided with link plate (16), described horizontal drive motor (15) drives described vertical telescopic bar (14) and does in vertical direction stretching motion, and described horizontal drive motor (14) is electrically connected with the control desk of periphery.
5. car center of gravity tester according to claim 1, it is characterized in that: described upper bracket (2) is by being positioned at four root post I (17) on the symmetric position, being positioned at the two X-axis rail I (18) that are parallel to each other on the X-direction and the two Y-axis rail I (19) that are parallel to each other that are positioned on the Y direction form, described pair of X-axis rail I (18) is fixedly connected with four described column I (17) respectively with described pair of Y-axis rail I (19), and described upper bracket (2) is observed from depression angle and is square.
6. car center of gravity tester according to claim 5, it is characterized in that: described lower carriage (3) is by being positioned at four root post II (20) on the symmetric position, being positioned at the two X-axis rail II (21) that are parallel to each other on the X-direction and the two Y-axis rail II (22) that are parallel to each other that are positioned on the Y direction form, described pair of X-axis rail II (21) is fixedly connected with four described column II (20) respectively with described pair of Y-axis rail II (22), and described lower carriage (3) is observed from depression angle and is square.
7. car center of gravity tester according to claim 6, it is characterized in that: four described column I (17) respectively correspondence are arranged on the top of four described column II (20), are provided with guidepost (23) between described column I (17) and the described column II (20).
8. car center of gravity tester according to claim 4, it is characterized in that: described X motor (7), described Y motor (8) and described horizontal drive motor (15) are servomotor.
CN 201220333498 2012-07-11 2012-07-11 Instrument for testing gravitational center of elevator car Expired - Fee Related CN202710245U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 201220333498 CN202710245U (en) 2012-07-11 2012-07-11 Instrument for testing gravitational center of elevator car

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 201220333498 CN202710245U (en) 2012-07-11 2012-07-11 Instrument for testing gravitational center of elevator car

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Publication Number Publication Date
CN202710245U true CN202710245U (en) 2013-01-30

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CN 201220333498 Expired - Fee Related CN202710245U (en) 2012-07-11 2012-07-11 Instrument for testing gravitational center of elevator car

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102788661A (en) * 2012-07-11 2012-11-21 三洋电梯(珠海)有限公司 Lift car gravity center tester

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102788661A (en) * 2012-07-11 2012-11-21 三洋电梯(珠海)有限公司 Lift car gravity center tester
CN102788661B (en) * 2012-07-11 2014-11-19 三洋电梯(珠海)有限公司 Lift car gravity center tester

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C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20130130

Termination date: 20150711

EXPY Termination of patent right or utility model