CN202836952U - Elevator speed governor test-bed applicable for any rope sheave diameter and elevator speed governor test system applicable for the same - Google Patents
Elevator speed governor test-bed applicable for any rope sheave diameter and elevator speed governor test system applicable for the same Download PDFInfo
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- CN202836952U CN202836952U CN 201220511590 CN201220511590U CN202836952U CN 202836952 U CN202836952 U CN 202836952U CN 201220511590 CN201220511590 CN 201220511590 CN 201220511590 U CN201220511590 U CN 201220511590U CN 202836952 U CN202836952 U CN 202836952U
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Abstract
The utility model discloses an elevator speed governor test-bed applicable for any rope sheave diameter, and belongs to the technical field of monitoring device of elevator parts. The elevator speed governor test-bed applicable for any rope sheave diameter comprises a driving unit, a detecting unit, a speed governor fixing device and a platform rack. The driving unit further comprises a driving mobile platform and a driving mobile device. A driving wheel and a driving motor are both installed on the driving mobile platform. The driving mobile device is connected with the driving mobile platform, so that the test-bed is enabled to adjust according to the difference of the rope sheave diameters of a speed governor in testing. The utility model further discloses an elevator speed governor test system applicable for any rope sheave diameter. The elevator speed governor test system applicable for any rope sheave diameter comprises an electrical part and a mechanical part. The elevator speed governor test-bed applicable for any rope sheave diameter is adopted by the mechanical part. The electrical part controls the test system to realize the overall process of a test and full-automatic data collection and result analysis. The elevator speed governor test-bed applicable for any rope sheave diameter and the elevator speed governor test system applicable for the same are favorable for development and research of elevator speed governors and improves efficiency of delivery inspection of the elevator speed governors and accuracy of product testing data greatly.
Description
Technical field
The utility model relates to a kind of monitoring device of elevator components, specifically, particularly relates to a kind of elevator governor testing table and test macro thereof that is applicable to any rope sheave diameter.
Background technology
Existing elevator governor responsiveness testing tool mainly contains three kinds: the first is to cooperate the method for debugging electric drill to measure the electric of limiter of speed and mechanical action speed with special-purpose speed limit table.Gauge outfit with special-purpose speed limit table during use is put in the rope sheave pitch circle groove of elevator governor, can not throw switch, and will be placed near the pitch circle position for the limiter of speed that does not have rope sheave pitch circle groove as far as possible.This kind method is artificial debugging, needs the people for regulating for different rope sheave diameters, and complex operation has error.
Also having a kind of is the side that a little magnetic patch is attached to governor sheave, sets initial velocity, and the pitch circumference of input governor sheave starts and measures.Equally, this instrument also need to need the people for regulating for different rope sheave diameters, and complex operation can't be realized robotization.
By O type belt gear, the rope sheave that drives limiter of speed moves the third testing tool by the driver element of bottom, is contacted with rope sheave by cranking arm by test cell and carries out data acquisition.This kind be test bed to exist following shortcoming: at first, the O type belt that adopts is nonstandard type belt, and the model of limiter of speed is numerous on the market, for different governor sheaves, need corresponding belt customized, belt expense customized is higher, adds that there is larger technical difficulty in the connection of O type belt; Secondly, each test of cranking arm of test cell all needs artificial the adjusting to compress, and snap-in force is changed greatly, and there is larger artificial factor in data acquisition, produces easily error; Again, because complex operation step such as the connection of belt, mechanical arm adjustment.Also so that this testing tool uses inconvenience.
Summary of the invention
Based on this, the purpose of this utility model is to overcome the defective of prior art, and a kind of elevator governor testing table that is applicable to any rope sheave diameter is provided, and is when this testing table is tested for the rope sheave of different-diameter, easy to adjust, easy to operate.
Another purpose of the present utility model is to provide a kind of elevator governor test macro that is applicable to any rope sheave diameter, when testing for the rope sheave of different-diameter, can realize the robotization adjusting, and is easy to operate.
For realizing the purpose of this utility model, following technical scheme is provided: a kind of elevator governor testing table that is applicable to any rope sheave diameter comprises driver element, detecting unit, limiter of speed stationary installation, stand; Described driver element comprises driving wheel and drive motor, and described driving wheel is connected with the drive motor output terminal; Described detecting unit comprises detecting takes turns and scrambler, and the wheel shaft of described detection wheel is connected with scrambler; Described driver element also comprises the driving mobile platform and drives mobile device that described driving wheel, drive motor all are installed on and drive on the mobile platform, described driving mobile device connection driving mobile platform; Described driving mobile platform can move to the governor sheave direction.
By driving the distance between mobile device adjustment driving wheel and the rope sheave, thereby can regulate according to different rope sheave diameter, this testing table can be adjusted according to the rope sheave diameter of limiter of speed is different at the trial, not limited by the rope sheave diameter, have higher test compatibility.
The below describes further technical scheme:
In certain embodiments, described detecting unit also comprises the detection mobile platform and detects mobile device that described detection wheel, scrambler all are installed on and detect on the mobile platform, described detection mobile device connection detection mobile platform; Described detection mobile platform can move to the governor sheave direction.By driving the distance between mobile device and two mobile platforms of detection mobile device adjustment, and then the distance between adjustment driving wheel and the detection wheel, adjustable extent is wider, can better regulate, be applicable to the rope sheave of more diameter ranges, have very high test compatibility.
In certain embodiments, described detection mobile device is the expansion link of cylinder or hydraulic cylinder or driven by motor, has accurately mobile and reliable advantage.
In certain embodiments, described driving mobile device is the expansion link of cylinder or hydraulic cylinder or driven by motor, has accurately mobile and reliable advantage.
In certain embodiments, described limiter of speed stationary installation comprises clamping fixture, and this clamping fixture comprises clamping cylinder, stationary installation movable plate, compact heap, fixed bar, fixed head, anchorage bar, clamp nut; Described fixed bar one end connects stand, the other end is connected and fixed plate, described clamping cylinder is fixed on the fixed head, the piston rod of clamping cylinder is connected and fixed the device movable plate, this stationary installation movable plate slidably is set on the fixed bar, and which is provided with sliding tray, this sliding tray bottom has the slip through hole, described compact heap places in the sliding tray, be provided with fastening through-hole in it, described anchorage bar one end is resisted against on the stationary installation movable plate, and the other end passes slip through hole and fastening through-hole, fixes by clamp nut.Thereby the base of limiter of speed is fixed on the stand, and makes this testing table can not be subjected to the restriction of base size according to different adjustment of base size width of limiter of speed at the trial, have higher test compatibility.
In certain embodiments, described limiter of speed stationary installation also comprises regulation limiting device; Described regulation limiting device comprises to be regulated limited block and regulates stop nut; Described stand is provided with the adjusting limiting through hole of strip, and described adjusting limited block one end is resisted against on the stand, and the other end passes this adjusting limiting through hole, fixes by regulating stop nut.Further by regulating limited block with the limiter of speed position base restriction of different in width, limiter of speed is stable when ensureing test.
For realizing another purpose of the present utility model, provide following technical scheme: be applicable to the elevator governor testing table of any rope sheave diameter, comprise driver element, detecting unit, limiter of speed stationary installation, stand; Described driver element comprises driving wheel and drive motor, and described driving wheel is connected with the drive motor output terminal; Described detecting unit comprises detecting takes turns and scrambler, and the wheel shaft of described detection wheel is connected with scrambler; Described detecting unit also comprises the detection mobile platform and detects mobile device that described detection wheel, scrambler all are installed on and detect on the mobile platform, described detection mobile device connection detection mobile platform; Described detection mobile platform can move to the governor sheave direction.
By detecting the distance between mobile device adjustment detection wheel and the rope sheave, thereby can regulate according to different rope sheave diameter, this testing table can be adjusted according to the rope sheave diameter of limiter of speed is different at the trial, not limited by the rope sheave diameter, have higher test compatibility.
For realizing another purpose of the present utility model, provide following technical scheme: a kind of elevator governor test macro that is applicable to any rope sheave diameter comprises electric part and mechanical part; The elevator governor testing table that is applicable to any rope sheave diameter that described mechanical part is above-mentioned; Described electric part comprises computing machine, output unit, Programmable Logic Controller, servoamplifier and is used for gathering the optoelectronic switch of limiter of speed electrical action signal; Described output unit and Programmable Logic Controller all are electrically connected with computing machine, and described Programmable Logic Controller connects mobile device, servoamplifier, optoelectronic switch and scrambler; Described servoamplifier connects drive motor.
This test macro is applicable to the limiter of speed of different rope sheave diameter, and do not need artificial adjusting, pass through computing machine, Controlled by Programmable Controller drives mobile device or detects mobile device, adjust the distance between driving wheel or detection wheel and the rope sheave, this testing table can be adjusted according to the rope sheave diameter of limiter of speed is different at the trial, not limited by the rope sheave diameter, it is compatible to have higher test, automatically data acquisition, have data storing, data management, data backup and data output function make personnel carry out Real Time Monitoring to test process.
Described Programmable Logic Controller also connects the equipment such as each cylinder in the above-mentioned elevator governor testing table, by the accurately operation of each equipment in the Control experiment platform of Programmable Logic Controller.
The below describes the advantage of aforementioned techniques scheme:
The elevator governor testing table that is applicable to any rope sheave diameter that the utility model provides can be regulated according to different rope sheave diameter, this testing table can be adjusted according to the rope sheave diameter of limiter of speed is different at the trial, not limited by the rope sheave diameter, and can be according to different adjustment of base size width of limiter of speed, be not subjected to the restriction of base size, have higher test compatibility.
The elevator governor test macro that is applicable to any rope sheave diameter that the utility model provides, be applicable to the limiter of speed of different rope sheave diameter, and do not need artificial adjusting, pass through computing machine, Controlled by Programmable Controller drives mobile device or detects mobile device, adjust the distance between driving wheel or detection wheel and the rope sheave, this testing table can be adjusted according to the rope sheave diameter of limiter of speed is different at the trial, not limited by the rope sheave diameter, it is compatible to have higher test, automatically data acquisition, have data storing, data management, data backup and data output function, make personnel carry out Real Time Monitoring to test process, be conducive to exploitation and the development of elevator governor, more greatly improved the efficient of elevator governor factory inspection and the accuracy that product detects data.
Description of drawings
Fig. 1 is the elevator governor testing table of the embodiment of the invention 1;
Fig. 2 is the vertical view of Fig. 1;
Fig. 3 is the clamping fixture structural representation;
Fig. 4 is that the A of Fig. 6 is to partial view;
Fig. 5 is that the B of Fig. 6 is to partial view;
Fig. 6 is the vertical view of Fig. 7;
Fig. 7 is the electrical structure synoptic diagram of the embodiment of the invention 2;
Fig. 8 is the host computer structural drawing of the embodiment of the invention 2;
Fig. 9 is the host computer procedure process flow diagram of the embodiment of the invention 2.
Description of reference numerals: 1-driver element; The 11-driving wheel; 12-drives mobile platform; 15-drives mobile device; The 17-drive motor; The 2-limiter of speed; The 21-rope sheave; The 3-detecting unit; 31-detects wheel; 32-detects mobile platform; 35-detects mobile device; The 37-scrambler; The 4-protective cover; The 5-stand; The 6-clamping fixture; The 61-clamping cylinder; 62-stationary installation movable plate; The 63-compact heap; The 64-clamp nut; The 65-fixed bar; 66 fixed heads; 67 anchorage bars; The 7-regulation limiting device; 71-regulates limited block; 72-regulates stop nut; 73-regulates limiting through hole.
Embodiment
The below is elaborated to embodiment of the present utility model:
Embodiment 1
Shown in Fig. 1-2, a kind of elevator governor testing table that is applicable to any rope sheave diameter comprises driver element 1, detecting unit 3, limiter of speed stationary installation, stand 5; Described driver element 1 comprises driving wheel 11 and drive motor 17, and described driving wheel 11 is connected with drive motor 17 output terminals; Described detecting unit 3 comprises detection wheel 31 and scrambler 37, and the wheel shaft of described detection wheel 31 is connected with scrambler 37; Described driver element 1 also comprises driving mobile platform 12 and drives mobile device 15 that described driving wheel 11, drive motor 17 all are installed on and drive on the mobile platform 12, described driving mobile device 15 connection driving mobile platforms 12; Described driving mobile platform 12 can move to limiter of speed 2 rope sheaves 21 directions.
The distance of adjusting between driving wheel 11 and the rope sheave 21 by driving mobile device 15, thereby can regulate according to different rope sheaves 21 diameter, this testing table can be adjusted according to rope sheave 21 diameters of limiter of speed 2 are different at the trial, not limited by rope sheave 21 diameter, have higher test compatibility.
Described detecting unit 3 also comprises detection mobile platform 32 and detection mobile device 35, and described detection wheel 31, scrambler 37 all are installed on and detect on the mobile platform 32, and described detection mobile device 35 connections detect mobile platform 32; Described detection mobile platform 32 can move to limiter of speed 2 rope sheaves 21 directions.By driving mobile device 15 and detecting the distance that mobile device 35 is adjusted between two mobile platforms, and then adjust driving wheel 11 and detect the distance of taking turns between 31, adjustable extent is wider, can better regulate, be applicable to the rope sheave 21 of more diameter ranges, have very high test compatibility.
Described detection mobile device 35 and driving mobile device 15 are cylinder, have accurately mobile and reliable advantage.
As shown in Figure 3, described limiter of speed stationary installation comprises clamping fixture 6; Described clamping fixture 6 comprises clamping cylinder 61, stationary installation movable plate 62, compact heap 63, fixed bar 65, fixed head 66, anchorage bar 67, clamp nut 64; Described fixed bar 65 1 ends connect stand 5, the other end is connected and fixed plate 66, described clamping cylinder 61 is fixed on the fixed head 66, the piston rod of clamping cylinder 61 is connected and fixed device movable plate 62, this stationary installation movable plate 62 slidably is set on the fixed bar 65, and which is provided with the sliding tray that arranges along fore-and-aft direction, this sliding tray bottom has the slip through hole, described compact heap 63 places in the sliding tray, be provided with fastening through-hole in it, as shown in Figure 4, described anchorage bar 67 1 ends are resisted against on the stationary installation movable plate 62, the other end passes slip through hole and fastening through-hole, and is fixing by clamp nut 64.Thereby the base of limiter of speed 2 is fixed on the stand 5, and makes this testing table can not be subjected to the restriction of base size according to different adjustment of base size width of limiter of speed 2 at the trial, have higher test compatibility.
Such as Fig. 3, shown in Figure 5, described limiter of speed stationary installation also comprises regulation limiting device 7; Described regulation limiting device 7 comprises that two are regulated limited block 71 and two adjusting stop nuts 72; Described stand 5 is provided with the adjusting limiting through hole 73 of strip, as shown in Figure 6, this regulates limiting through hole 73 along the left and right directions setting, and described adjusting limited block 71 1 ends are resisted against on the stand 5, the other end passes this adjusting limiting through hole 73, and is fixing by regulating stop nut 72.Further by regulating limited block 71 with the limiter of speed 2 position base restriction of different in width, limiter of speed 2 is stable when ensureing test.
This testing table also is provided with the safty shield 4 that ensures operator safety outward.
It is as follows to adopt the testing table of present embodiment to carry out the speed characteristic test flow process:
1) will regulate stop nut 72 unclamps, move on to respectively the two ends of regulating limiting through hole 73 regulating limited block 71, then tested limiter of speed 2 is placed on the stand 5, base size according to limiter of speed 2, the mobile limited block 71 of regulating is in the middle of driving wheel 11 and the detection wheel 31 limiter of speed 2, tighten regulating stop nut 72 again, subsequently clamp nut 64 is unclamped, move forward and backward to correct position, it is tightened a compact heap 63 again and be fixed on the stationary installation movable plate 62, start clamping cylinder 61, clamping cylinder 61 piston rods descend, drive stationary installation movable plate 62 and descend, thus with compact heap 63 that limiter of speed 2 is fixing.
2) start the cylinder that drives mobile device 15 and detect mobile device 35, driving respectively driving mobile platform 12 moves with detection mobile platform 32, impel driving wheel 11 and detect wheel 31 near limiter of speed 2 rope sheaves 21, make driving wheel 11 and detect wheel 31 and be resisted against on the rope sheave 21 with suitable pressure, 21 of rope sheaves guaranteeing driving wheel 11, detection wheel 31 and limiter of speed 2 do not throw switch, and guarantee the consistance of linear velocity between the three.
3) start drive motor 17, make driving wheel 11 drive rope sheaves 21 and rotate, the cooperation by control system and servo controller loads a predetermined acceleration and deceleration curves to motor, and detects test figures by detecting wheel 31, test figure is gathered by scrambler 37, finishes speed characteristic test.
Embodiment 2
A kind of elevator governor test macro that is applicable to any rope sheave diameter comprises electric part and mechanical part; The elevator governor testing table that is applicable to any rope sheave diameter of described mechanical part above-described embodiment 1; Described electric part comprises computing machine, output unit, Programmable Logic Controller, servoamplifier and is used for gathering the optoelectronic switch of limiter of speed electrical action signal; Described output unit and Programmable Logic Controller all are electrically connected with computing machine, and described Programmable Logic Controller connects mobile device, servoamplifier, optoelectronic switch and scrambler 37; Described servoamplifier connects drive motor 17, and described drive motor 17 is servomotor.
This test macro is applicable to the limiter of speed of different rope sheave diameter, and do not need artificial adjusting, pass through computing machine, Controlled by Programmable Controller drives mobile device 15 or detects mobile device 35, adjust the distance between driving wheel 11 or detection wheel 31 and the rope sheave 21, this testing table can be adjusted according to rope sheave 21 diameters of limiter of speed 2 are different at the trial, not limited by rope sheave 21 diameter, it is compatible to have higher test, automatically data acquisition, have data storing, data management, data backup and data output function make personnel carry out Real Time Monitoring to test process.
When adopting the test system and test elevator governor characteristic of present embodiment, computing machine carries out overhead control, comprises the management system of whole system, automatic flow, and data are processed, and data recording is with Programmable Logic Controller (PLC) exchanges data and report generation and printing.PLC is responsible for the logic control of whole system, real time data acquisition, and the control of security of system protection and non-computer flow process, but prerequisite is to receive the operation grant instruction of computing machine.Scrambler 37 produces the output speed pulse and sends to the counting mouth of PLC, and PLC is stored in data in the register, and computing machine reads related data again from PLC, show at the interface.Optoelectronic switch is responsible for gathering the signal of limiter of speed electrical action.Shift knob, pilot lamp are responsible for controlling and indicating the power initiation, pneumatic pinch of testing table, the pneumatic function such as unclamp.Above-mentioned electrical structure as shown in Figure 7.
The software that computing machine adopts mainly is responsible for operation control, data communication and the data recording of testing table, consider according to above required function, this upper computer software program is utilized Visual Basic 6.0 exploitations, test figure uses the Access database to carry out record, report output is finished by calling excel, and its structural drawing and process flow diagram are shown in Fig. 8-9.
It is as follows to adopt the test macro of present embodiment to carry out the speed characteristic test flow process:
1) will regulate stop nut 72 unclamps, move on to respectively the two ends of regulating limiting through hole 73 regulating limited block 71, then tested limiter of speed 2 is placed on the stand 5, base size according to limiter of speed 2, the mobile limited block 71 of regulating is in the middle of driving wheel 11 and the detection wheel 31 limiter of speed 2, tighten regulating stop nut 72 again, subsequently clamp nut 64 is unclamped, move forward and backward to correct position, it is tightened a compact heap 63 again and be fixed on the stationary installation movable plate 62, start clamping cylinder 61, clamping cylinder 61 piston rods descend, drive stationary installation movable plate 62 and descend, thus with compact heap 63 that limiter of speed 2 is fixing.
2) start the cylinder that drives mobile device 15 and detect mobile device 35, driving respectively driving mobile platform 12 moves with detection mobile platform 32, impel driving wheel 11 and detect wheel 31 near limiter of speed 2 rope sheaves 21, make driving wheel 11 and detect wheel 31 and be resisted against on the rope sheave 21 with suitable pressure, 21 of rope sheaves guaranteeing driving wheel 11, detection wheel 31 and limiter of speed 2 do not throw switch, and guarantee the consistance of linear velocity between the three.
3) start software and enter elevator governor velocity test interface, input the relevant parameter of tested limiter of speed 2, begin to enter test.
4) by computer control test overall process, and record test data is exported by output unit automatically, and deposits in simultaneously in the database, waits until the later stage and calls.
The above embodiment has only expressed embodiment of the present utility model, and it describes comparatively concrete and detailed, but can not therefore be interpreted as the restriction to the utility model claim.Should be pointed out that for the person of ordinary skill of the art without departing from the concept of the premise utility, can also make some distortion and improvement, these all belong to protection domain of the present utility model.
Claims (8)
1. an elevator governor testing table that is applicable to any rope sheave diameter comprises driver element, detecting unit, limiter of speed stationary installation, stand; Described driver element comprises driving wheel and drive motor, and described driving wheel is connected with the drive motor output terminal; Described detecting unit comprises detecting takes turns and scrambler, and the wheel shaft of described detection wheel is connected with scrambler;
It is characterized in that described driver element also comprises the driving mobile platform and drive mobile device that described driving wheel, drive motor all are installed on and drive on the mobile platform, described driving mobile device connection driving mobile platform; Described driving mobile platform can move to the governor sheave direction.
2. the elevator governor testing table that is applicable to any rope sheave diameter according to claim 1, it is characterized in that, described detecting unit also comprises the detection mobile platform and detects mobile device, described detection wheel, scrambler all are installed on and detect on the mobile platform, and described detection mobile device connects the detection mobile platform; Described detection mobile platform can move to the governor sheave direction.
3. the elevator governor testing table that is applicable to any rope sheave diameter according to claim 2 is characterized in that, described detection mobile device is the expansion link of cylinder or hydraulic cylinder or driven by motor.
4. the elevator governor testing table that is applicable to any rope sheave diameter according to claim 1 is characterized in that, described driving mobile device is the expansion link of cylinder or hydraulic cylinder or driven by motor.
5. the elevator governor testing table that is applicable to any rope sheave diameter according to claim 1, it is characterized in that, described limiter of speed stationary installation comprises clamping fixture, and this clamping fixture comprises clamping cylinder, stationary installation movable plate, compact heap, fixed bar, fixed head, anchorage bar, clamp nut; Described fixed bar one end connects stand, the other end is connected and fixed plate, described clamping cylinder is fixed on the fixed head, the piston rod of clamping cylinder is connected and fixed the device movable plate, this stationary installation movable plate slidably is set on the fixed bar, and which is provided with sliding tray, this sliding tray bottom has the slip through hole, described compact heap places in the sliding tray, be provided with fastening through-hole in it, described anchorage bar one end is resisted against on the stationary installation movable plate, and the other end passes slip through hole and fastening through-hole, fixes by clamp nut.
6. the elevator governor testing table that is applicable to any rope sheave diameter according to claim 1 is characterized in that, described limiter of speed stationary installation also comprises regulation limiting device; Described regulation limiting device comprises to be regulated limited block and regulates stop nut; Described stand is provided with the adjusting limiting through hole of strip, and described adjusting limited block one end is resisted against on the stand, and the other end passes this adjusting limiting through hole, fixes by regulating stop nut.
7. be applicable to the elevator governor testing table of any rope sheave diameter, comprise driver element, detecting unit, limiter of speed stationary installation, stand; Described driver element comprises driving wheel and drive motor, and described driving wheel is connected with the drive motor output terminal; Described detecting unit comprises detecting takes turns and scrambler, and the wheel shaft of described detection wheel is connected with scrambler;
It is characterized in that described detecting unit also comprises the detection mobile platform and detect mobile device that described detection wheel, scrambler all are installed on and detect on the mobile platform, described detection mobile device connection detection mobile platform; Described detection mobile platform can move to the governor sheave direction.
8. an elevator governor test macro that is applicable to any rope sheave diameter comprises electric part and mechanical part; It is characterized in that described mechanical part adopts each described elevator governor testing table that is applicable to any rope sheave diameter of claim 1-7; Described electric part comprises computing machine, output unit, Programmable Logic Controller, servoamplifier and is used for gathering the optoelectronic switch of limiter of speed electrical action signal; Described output unit and Programmable Logic Controller all are electrically connected with computing machine, and described Programmable Logic Controller connects mobile device, servoamplifier, optoelectronic switch and scrambler; Described servoamplifier connects drive motor.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220511590 CN202836952U (en) | 2012-09-29 | 2012-09-29 | Elevator speed governor test-bed applicable for any rope sheave diameter and elevator speed governor test system applicable for the same |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220511590 CN202836952U (en) | 2012-09-29 | 2012-09-29 | Elevator speed governor test-bed applicable for any rope sheave diameter and elevator speed governor test system applicable for the same |
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| CN202836952U true CN202836952U (en) | 2013-03-27 |
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| CN 201220511590 Expired - Fee Related CN202836952U (en) | 2012-09-29 | 2012-09-29 | Elevator speed governor test-bed applicable for any rope sheave diameter and elevator speed governor test system applicable for the same |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105527083A (en) * | 2016-01-04 | 2016-04-27 | 广东省特种设备检测研究院江门检测院 | Elevator speed governor action velocity calibration instrument and method |
-
2012
- 2012-09-29 CN CN 201220511590 patent/CN202836952U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105527083A (en) * | 2016-01-04 | 2016-04-27 | 广东省特种设备检测研究院江门检测院 | Elevator speed governor action velocity calibration instrument and method |
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