CN101329210A - Constant torque load application soft start-up test method - Google Patents
Constant torque load application soft start-up test method Download PDFInfo
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- CN101329210A CN101329210A CNA2007100424649A CN200710042464A CN101329210A CN 101329210 A CN101329210 A CN 101329210A CN A2007100424649 A CNA2007100424649 A CN A2007100424649A CN 200710042464 A CN200710042464 A CN 200710042464A CN 101329210 A CN101329210 A CN 101329210A
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Abstract
The invention discloses a soft startup testing method of torque-constant loading, which mainly solves the technical problems of the running safety and reliability of soft starting equipments, etc., and adopts the technical proposal which comprises the following testing steps: a device to be tested is connected; a loading device (a torque-constant loading device) is connected; an entire process from the zero-speed working condition to the working condition with the rated rotating speed of the device to be tested is selected, set up, started and tested, and related technical running parameters are recorded, thus finishing the testing. The soft startup testing method of the torque-constant loading is applicable to the tests of mechanical or electrical soft starting equipments of large-scale coal mine machineries.
Description
Technical field
The present invention relates to soft start apparatus testing method in the heavy mechanical equipment of colliery.
Background technology:
At present, many collieries use heavy mechanical equipment such as large power long square from plant equipment such as belt conveyor, blower fan, water pumps, when starting, necessary steadily slow start, guarantee the reliable and secure operation of this class main equipment, can reduce simultaneously impact and fluctuation to electrical network, at above-mentioned technical requirement, the dealer researchs and develops that various supporting " steadily slow start equipment "---i.e. " soft starting device ", soft starting device can include variable speed fluid coupling, liquid glues device and electric soft starting device or the like; Above-mentioned various types soft starting device, verification in research and development evaluation, equipment typing, production run, the product qualification or the like of dispatching from the factory, all must to equipment (or product) under the condition that corresponding heavy mechanical equipment actual operating mode cooperates, can make and judge accurately whether this soft starting device meets the technical requirement of respective standard and the actual demand of colliery operation; But colliery heavy mechanical equipment, its size is huge, complex structure, with these equipment the supporting of soft starting device checked, test, economically with the technical greatly difficulty that all exists, it is the test method that to adopt, therefore existing evaluation at soft starting device, verification all is to carry out experimental measurement under non-actual condition, whether really possess under the load of setting as for these soft start equipment, steady slow start, especially in employed large-scale colliery, important place plant equipment, can realize soft start function, all have uncertain hidden danger, can bring serious safety problem to colliery production.
Summary of the invention:
Technical matters to be solved by this invention is, a kind of constant torque load application soft start-up test method is provided, it can satisfy various mechanical soft start equipment and the required load of electric soft start equipment starting, checking and to verify whether conformance with standard regulation of various soft start equipment, thereby guarantee its security of operation, reliable.
The technical scheme that the present invention solves the problems of the technologies described above employing is: constant torque load application soft start-up test method is characterized in including the following step:
1, connect tested device---tested mechanical soft start equipment is connected on the drive motor;
2, connect charger---the permanent moment of torsion charger of disc type is connected on the mechanical soft start equipment;
3, select and set up---by the starting load of soft start equipment and the damper brake pressure and the proportional principle of brake disc radius of charger, select the damper brake force value of tested mechanical soft start equipment starting duty correspondence, the actual motion load value correspondent equal of the simulation loading value of the soft start equipment of described setting and practical colliery heavy mechanical equipment;
4, start---start drive motor, test run begins;
5, test---test stops until the rated speed operating mode from the zero rotating speed operating mode of mechanical soft start equipment; And in accordance with regulations every running technology parameter of tested mechanical soft start equipment is carried out record in that test is omnidistance;
6, finish---the drive motor stall, test finishes.
Another technical scheme that the present invention solves the problems of the technologies described above employing is: constant torque load application soft start-up test method is characterized in including the following step:
1, connect tested device---tested electric soft start equipment is connected on the drive motor;
2, connect charger---the permanent moment of torsion charger of disc type is connected on the drive motor;
3, select and set up---press the proportional principle of damper brake pressure of the starting load and the charger of soft start equipment, select and set up the damper brake force value of tested electric soft start device start load correspondence, the actual motion load value correspondent equal of the simulation loading value of the soft start equipment of described setting and practical colliery heavy mechanical equipment;
4, slow start---allow electric soft start enter the slow start state, drive drive motor, test run begins;
5, test---test stops until the rated speed operating mode from drive motor zero rotating speed operating mode, in accordance with regulations the tested electric soft every running technology parameter that opens equipment is carried out record in test whole process;
6, finish---cut off the electricity supply, test finishes.
The present invention adopts permanent moment of torsion loading method to carry out the soft start equipment test, these equipment are under the real load condition of colliery heavy mechanical equipment to be detected, checks, thereby make soft start equipment make research and development evaluation, typing or qualification by the technical requirement of respective standard, solve the great technical barrier under the prior art condition, have important economy and technical meaning, simultaneously, method provided by the invention both had been applicable to mechanical type soft start equipment, also be applicable to electric soft start equipment, have more Practical significance.
Description of drawings:
Fig. 1 is the flow chart () of soft start equipment test method of the present invention.
Fig. 2 is the flow chart (two) of soft start equipment test method of the present invention.
Fig. 3 is a soft start equipment test principle of device block diagram of the present invention ().
Fig. 4 is a soft start equipment test principle of device block diagram of the present invention (two).
Embodiment:
With reference to Fig. 1,3, constant torque load application soft start-up test method, this method is to carry out on test unit shown in Figure 3, and its tested device is mechanical soft start equipment 2, and its corresponding test procedure is as follows:
1, connect tested device---on testing table, drive at the output axle head of drive motor 1 and to connect tested mechanical soft start equipment 2 (as the adjusting type fluid-flywheel clutch etc.), this driving shaft is provided with torque rotary speed sensor;
2, connecting charger---the permanent moment of torsion charger 3 of disc type is done driving with mechanical soft start equipment 2 be connected, this driving shaft is provided with another torque rotary speed sensor;
Above-mentioned two torque rotary speed sensors connect registering instrument, printer, the display in the test macro respectively;
The permanent moment of torsion charger 3 of above-mentioned disc type includes flexible member, damper brake, brake arm, brake connecting rod, brake disc and friction disc, handle flexible member, can change its acting force on brake arm, thereby the power through making friction disc on the damper brake act on brake disc changes, and the moment of torsion that reaches on the brake disc can be regulated with the loading demand of test;
3, select and set up---according to the characteristic of the permanent moment of torsion charger 3 of above-mentioned disc type, the proportional principle of friction disc pressure of the starting load of soft start equipment and the damper brake of charger, the force value of selecting and setting up the damper brake of tested mechanical soft start device start load correspondence, the actual motion load value correspondence of the simulation loading value of the soft start equipment of described setting and practical colliery heavy mechanical equipment is treated each other;
4, start---the power supply of call through test device, start drive motor 1, the constant torque load application soft start-up test run begins;
5, test---test stops up to the rated speed operating mode from the zero rotating speed operating mode of mechanical soft start equipment, in test whole process in accordance with regulations, every running technology parameter of tested mechanical soft start equipment is carried out record by Fig. 3 program: include
A. the parameter that is recorded by torque sensor is at the enterprising line item of multi-pen recorder;
B. the parameter that is recorded by torque sensor is showing on the display and is printing on printer through A/D and industrial computer;
C. by drive unit, through current-voltage transformer, A/D and industrial computer are showing on the display and are printing on printer;
6, finish---after the omnidistance end of test record, cut off the electricity supply in accordance with regulations, drive motor 1 stall, test finishes.
With reference to Fig. 2,4, another test method of constant torque load application soft start-up of the present invention, this method are to carry out on test unit shown in Figure 4, and its tested device is electric soft start equipment 4, and its corresponding test procedure is as follows:
1, connect tested device---on testing table, the tested electric soft start equipment of serial connection between power supply and drive motor;
2, connect charger---the permanent moment of torsion charger of disc type 3 is driven with drive motor be connected, on this driving shaft, torque rotational speed meter is set, also can connect the reducer casing of correspondence simultaneously according to drive condition;
Above-mentioned torque rotational speed meter connects registering instrument, printer and the display in the test macro respectively;
The structure of permanent moment of torsion charger 3 of above-mentioned disc type and aforementioned means is identical with characteristic;
3, select and set up---according to the characteristic of the permanent moment of torsion charger 3 of disc type, the principle that the pressure of the friction disc of the starting load of soft start equipment and the damper brake of charger is proportional, select and set up the damper brake force value of tested electric soft start device start load correspondence, the actual motion load value correspondent equal of the simulation loading value of the soft start equipment of described setting and practical colliery heavy mechanical equipment;
4, slow start---allow electric soft start equipment 4 enter the slow start state, drive drive motor, test run begins;
5, test---test is from drive motor zero rotating speed operating mode, stop until declared working condition, omnidistance in test, in accordance with regulations to every running technology parameter of tested electric soft start equipment 4, carry out record by Fig. 4 program, content that it is included and above-mentioned test procedure 5 described a, b, c are every same or similar.
6, finish---after the omnidistance end of test record, cut off the electricity supply in accordance with regulations, drive motor and stall, test finishes.
Claims (2)
1, a kind of constant torque load application soft start-up test method is characterized in that comprising the following steps:
A. connect tested device---tested mechanical soft start equipment is connected on the drive motor;
B. connect charger---the permanent moment of torsion charger of disc type is connected on the mechanical soft start equipment;
C. select and set up---press the proportional principle of damper brake pressure of the starting load and the charger of soft start equipment, select and set up the damper brake force value of tested mechanical soft start device start load correspondence, the actual motion load value correspondent equal of the simulation loading value of the soft start equipment of described setting and practical colliery heavy mechanical equipment;
D. start---start drive motor, test run begins;
E. test---test stops until the rated speed operating mode from the zero rotating speed operating mode of mechanical soft start equipment, in accordance with regulations every running technology parameter of tested mechanical soft start equipment is carried out record in test whole process;
F. finish---the drive motor stall, test finishes.
2, a kind of constant torque load application soft start-up test method is characterized in that comprising the following steps:
A. connect tested device---tested electric soft start equipment is connected on the drive motor;
B. connect charger---the permanent moment of torsion charger of disc type is connected on the drive motor;
C. select and set up---press the proportional principle of damper brake pressure of the starting load and the charger of soft start equipment, select and set up the damper brake force value of tested electric soft start device start load correspondence, the actual motion load value correspondent equal of the simulation loading value of the soft start equipment of described setting and practical colliery large scale computer machine equipment;
D. slow start---allow electric soft start enter the slow start state, drive drive motor, test run begins;
E. test---test stops until the rated speed operating mode from drive motor zero rotating speed operating mode, in accordance with regulations every running technology parameter of tested electric soft start equipment is carried out record in test whole process;
F. finish---cut off the electricity supply, test finishes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2007100424649A CN101329210A (en) | 2007-06-22 | 2007-06-22 | Constant torque load application soft start-up test method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2007100424649A CN101329210A (en) | 2007-06-22 | 2007-06-22 | Constant torque load application soft start-up test method |
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| Publication Number | Publication Date |
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| CN101329210A true CN101329210A (en) | 2008-12-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| CNA2007100424649A Pending CN101329210A (en) | 2007-06-22 | 2007-06-22 | Constant torque load application soft start-up test method |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103822746A (en) * | 2014-03-11 | 2014-05-28 | 扬州电力设备修造厂 | Dynamic calibration method of torque of electric execution mechanism debugging table |
| CN115950631A (en) * | 2023-03-13 | 2023-04-11 | 太原理工大学 | CST (continuous stirred tank reactor) hydraulic viscosity transmission test device for realizing power grid energy recovery |
-
2007
- 2007-06-22 CN CNA2007100424649A patent/CN101329210A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103822746A (en) * | 2014-03-11 | 2014-05-28 | 扬州电力设备修造厂 | Dynamic calibration method of torque of electric execution mechanism debugging table |
| CN103822746B (en) * | 2014-03-11 | 2016-03-30 | 扬州电力设备修造厂有限公司 | A kind of electric executing mechanism debugging platform torque dynamic calibrating method |
| CN115950631A (en) * | 2023-03-13 | 2023-04-11 | 太原理工大学 | CST (continuous stirred tank reactor) hydraulic viscosity transmission test device for realizing power grid energy recovery |
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Open date: 20081224 |