CN105738103A - Development test platform for drum type coal mining machine advanced cutting transmission system - Google Patents
Development test platform for drum type coal mining machine advanced cutting transmission system Download PDFInfo
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- CN105738103A CN105738103A CN201610107280.5A CN201610107280A CN105738103A CN 105738103 A CN105738103 A CN 105738103A CN 201610107280 A CN201610107280 A CN 201610107280A CN 105738103 A CN105738103 A CN 105738103A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M13/00—Testing of machine parts
- G01M13/02—Gearings; Transmission mechanisms
- G01M13/025—Test-benches with rotational drive means and loading means; Load or drive simulation
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
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Abstract
The invention discloses a development test platform for drum type coal mining machine advanced cutting transmission system, comprising a mechanical part and a measurement and control part, wherein the mechanical part comprises a driving part, a transmission part and a loading part; the loading part and the transmission part are connected through an inertial flywheel; the driving part and the transmission part are connected through a star type coupler; a first rotation speed torque sensor is positioned between the transmission part and the star type coupler; the measurement and control part comprises an upper computer and a controller; the upper computer transmits an order to the driving part and the loading part through the controller and receives data transmitted from the driving part, the transmission part and the loading part. The development test platform is complete in functions, small in occupied space, high in feasibility, good in stability, good in controllability, low in cost and easy to implement.
Description
Technical field
Present invention relates particularly to a kind of drum shearer cut drive system electromechanical dynamic characteristic test and Advanced Control Strategies exploitation synthesis experiment platform.
Background technology
Coal is the main energy sources of China's current and following a very long time, coal-winning machine is the key equipment in coal production, make that coal digging armament-related work condition is more complicated, severe to the coal mining of high-risk coal seam, deep development, maintenance difficult after Frequent Accidents and fault, the very long maintenance of equipment cycle causes huge economic loss especially.The flitting commonly used at present only hauling speed is adjustable and drum rotation speed is non-adjustable, and coal mining rate is on the low side, the bad adaptability to sudden load.Simultaneously as the cutting units driving member of one of drum shearer groundwork mechanism, many, transmission chain length, is the vulnerable area of coal-winning machine and the multiple part that lost efficacy.Therefore the test platform that development and Design is new, coal-winning machine cut drive system electromechanical Coupled Dynamics characteristic from experiment test aspect support study dies complex working condition, the mechanical parameter instructing winning machine cutting part electromechanical driving system is designed, electrical system type selecting and Control System Design, reliability and adaptability for working condition that winning machine cutting part electromechanical driving system is greatly improved have far reaching significance.Corresponding test platform is also had higher requirement by this simultaneously.
The patent of invention that publication No. is CN104806238A discloses one " coal winning machine cutting bit mechanical characteristic Online Transaction Processing ", need to build simulation rib assists the mechanical characteristic to winning machine cutting part pick to test, thus cannot carry out coal-winning machine associating speed governing and corresponding cutting units electromechanical dynamic characteristic research from test angle.
The patent of invention that publication No. is CN202895488U discloses one " pick is to rock cutting mechanism experiment porch ", it is provided that a kind of experimental system close to true cutting course, simulates the process of pick cutting rock.But this experiment porch is only the measurement for single cutterhead, from test angle, coal-winning machine overall performance can not be evaluated.
Summary of the invention
In consideration of it, the present invention provides a kind of cutting units drive system mechanical parameter based on theory of similarity design variable and traction, cut can the speed change real-time experiment test system of cut coal-winning machine of associating speed governing.
It is an object of the invention to be achieved through the following technical solutions, a kind of drum shearer advanced person's cut drive system exploitation test platform, including mechanical part and observing and controlling part, wherein mechanical part includes: drive part, running part and loading section；Described loading section is connected by inertial flywheel 13 with running part, and described drive part is connected by star-like shaft coupling 4 with running part, is additionally provided with the first torque and speed sensors 5 between described running part and star-like shaft coupling；Described observing and controlling part includes host computer 24 and controller 23, and described host computer sends the data ordering and receiving drive part, running part and loading section transmission by controller to drive part and loading section.
Further, described drive part includes cutting units drive motor DTC converter 1, current sensor 2 and cutting units drive motor 3, described cutting units drive motor DTC converter 1 is connected with cutting units drive motor 3, and described current sensor is for gathering the output electric current of cutting units drive motor DTC converter and output current signal being sent to controller；Described cutting units drive motor is connected with star-like shaft coupling.
Further, described running part includes two-stage parallel axis decelerator 7, second torque and speed sensors 9 and NGW planetary reducer 11, the input of described two-stage parallel axis decelerator 7 and the first torque and speed sensors 5 outfan are connected by positive coupling 6, two-stage parallel axis decelerator 7 outfan and the second torque and speed sensors 9 input are connected by positive coupling 8, described NGW planetary reducer 11 input and the second torque and speed sensors 9 outfan are connected by positive coupling 10, NGW planetary reducer 11 outfan and inertial flywheel 13 input are connected by positive coupling 12；Described second torque and speed sensors is connected with controller.
Further, described loading section includes the 3rd torque and speed sensors 15, raising speed case 17, liquid braking device 19 and electric A.C. dynamometer and control system 21 thereof, 3rd torque and speed sensors 15 input is connected with inertial flywheel 13 by positive coupling 14, and the 3rd torque and speed sensors 15 outfan is connected with raising speed case 17 by positive coupling 16；The input of liquid braking device 19 is connected with raising speed case by positive coupling 18, and the outfan of liquid braking device is connected with the electric dynamometer output shaft in electric A.C. dynamometer and control system 21 thereof by positive coupling 20；Described 3rd torque and speed sensors is connected with controller；Described liquid braking device 19 drives plate 22 to be connected with controller by liquid braking device proportional pressure valve.
Owing to have employed technique scheme, present invention have the advantage that:
Perfect in shape and function of the present invention and taken up space little, feasibility is high, good stability, controllability are excellent, and cost is greatly reduced relatively, it is easy to accomplish.
Accompanying drawing explanation
In order to make the object, technical solutions and advantages of the present invention clearly, below in conjunction with accompanying drawing, the present invention is described in further detail, wherein:
Fig. 1 is described drum shearer cut drive system electromechanical dynamic characteristic test and Advanced Control Strategies exploitation synthesis experiment platform；
Wherein: cutting units drive motor DTC converter 1, current sensor 2, cutting units drive motor 3, star-like shaft coupling 4, first torque and speed sensors 5, positive coupling 6,8,10,12,14,16,18,20, two-stage parallel axis decelerator 7, second torque and speed sensors 9, NGW planetary reducer 11, inertial flywheel 13, the 3rd torque and speed sensors 15, raising speed case 17, liquid braking device 19, electric A.C. dynamometer and control system 21 thereof, proportional pressure valve drives plate 22, controller 23, host computer 24.
Detailed description of the invention
Below with reference to accompanying drawing, the preferred embodiments of the present invention are described in detail；Should be appreciated that preferred embodiment is only for illustrating the present invention, rather than in order to limit the scope of the invention.
A kind of drum shearer advanced person's cut drive system exploitation test platform, including mechanical part and observing and controlling part, wherein mechanical part includes: cutting units drive motor DTC converter 1, current sensor 2, cutting units drive motor 3, star-like shaft coupling 4, first torque and speed sensors 5, positive coupling 6, 8, 10, 12, 14, 16, 18, 20, two-stage parallel axis decelerator 7, second torque and speed sensors 9, NGW planetary reducer 11, inertial flywheel 13, 3rd torque and speed sensors 15, raising speed case 17, liquid braking device 19, electric A.C. dynamometer and control system 21 thereof.Wherein cutting units drive motor DTC converter 1, current sensor 2, cutting units drive motor 3 form cut system drive part, the running part of two-stage parallel axis decelerator the 7, second torque and speed sensors 9, NGW planetary reducer 11 composition simulation rocking arm, the 3rd torque and speed sensors 15, raising speed case 17, liquid braking device 19, electric A.C. dynamometer and control system 21 thereof form load loading section.Described cutting units drive motor 3 outfan and the first torque rotary speed sensor 5 input are connected by star-like shaft coupling 4.Described two-stage parallel axis decelerator 7 input and the first torque and speed sensors 5 outfan are connected by positive coupling 6, and two-stage parallel axis decelerator 7 outfan and the second torque and speed sensors 9 input are connected by positive coupling 8.Described NGW planetary reducer 11 input and the second torque and speed sensors 10 outfan are connected by positive coupling 10, and NGW planetary reducer 11 outfan and inertial flywheel 13 input are connected by positive coupling 12.3rd torque and speed sensors 15 input and output side is connected with inertial flywheel 13 and raising speed case 17 respectively through positive coupling 14,16.Liquid braking device 19 input and output side is connected with the electric dynamometer output shaft in raising speed case 17 outfan and electric A.C. dynamometer and control system 21 thereof respectively through positive coupling 18,20.Observing and controlling part includes: proportional pressure valve drives plate 22, controller 23 (MICROAUTOBOXDspace1401), host computer 24.
Described cutting units drive motor 3 is connected with the first torque and speed sensors 5 input by star-like shaft coupling 4；First torque and speed sensors 5 is input to rotating speed and the torque of simulation rocker arm transmission system for reading described cutting units drive motor 3, in order to follow-up design analysis.The half a coupler of the first torque and speed sensors 5 input adpting flange axle it is positioned at by the star-like shaft coupling 4 that slides, change the outfit under the premise of the laboratory table flexible member of different materials be can realize not dismounting and cutting units drive system rigidity and damping quickly adjusted, to test the impact on simulation rocker arm transmission system electromechanical properties of the cutting units drive system difference mechanical parameter, to instruct the mechanical parameter of winning machine cutting part electromechanical driving system to design.
Described two-stage parallel axis decelerator the 7, second torque and speed sensors 9, NGW planetary reducer 11 composition simulation rocker arm transmission system, shortens test platform while meeting test request and establishes the time and reduce testing cost.Second torque and speed sensors 9 is connected with two-stage parallel axis decelerator 7 and NGW planetary reducer 11 respectively by positive coupling 8,10, for measuring different load within test condition Imitating rocking arm.
Described inertial flywheel 13 is for simulating rotary inertia when coal-winning machine works, and owing to actual coal-winning machine power and inertia are relatively big, the utilization theory of similarity reduces testing cost while ensureing experiment test precision, shortening experimental system establishes the cycle.
Described 3rd torque and speed sensors 15, raising speed case 17, liquid braking device 19, electric A.C. dynamometer and control system 21 thereof form the load loading section of laboratory table.The load that electric A.C. dynamometer 21 output shaft is born when being connected with liquid braking device 19 for simulating coal mining machine roller work by positive coupling 20.Described raising speed case 17 is for reducing the load simulated Capability Requirement to hydraulic pressure loading device and electric dynamometer, and that reduces experiment test platform builds difficulty.
In the observing and controlling part of described experiment test system, host computer 24 is the control core of whole test system, automatically loads switching, security, the virtual speed governing of traction, different operating conditions test of heuristics and online tune ginseng for hands and optimizes.At drive end, the instruction MICROAUTOBOXDspace140123 successively of host computer 24 transmission, cutting units drive motor DTC converter 1, it is achieved cutting units drive motor 3 rotating speed controls.At loading end, host computer 24 controls electric A.C. dynamometer and control system 21 thereof respectively by MICROAUTOBOXDspace140123, proportional pressure valve drives plate 22 send instruction to liquid braking device 19 and read value of feedback, controls electric dynamometer 21 with this, liquid braking device 19 realizes loading.This test system application closed loop loads and reduces the big additional inertance moment loading effect that speed-change process is produced by being exaggerated after raising speed case 17 by the inertia of electric A.C. dynamometer and control system 21, liquid braking device 19 simultaneously, improves loading accuracy.
Each torque and speed sensors data in the observing and controlling part MICROAUTOBOXDspace1401 real-time collecting test system of described experiment test system, and pass to host computer 24, for the Data Analysis Services in display and later stage in real time.
The invention discloses that a kind of cutting units drive system mechanical parameter based on theory of similarity design is variable and traction, cut can the speed change real-time experiment test system of cut coal-winning machine of associating speed governing.Its novelty is in that to use the theory of similarity to reduce experimental cost while ensureing measuring accuracy, cutting units drive system change mechanical parameter testing research can be carried out while reducing testing cost, shortening test platform to establish the cycle by simulating cutting units drive system, reduce the load capability to load loading system by anticaustic conventional planet decelerator to require to be loaded complicated random load by the main loading system of secondary load system supplymentary, realize the load such as step, pulse by main loading system.Whole experimental system can be used to instruct the mechanical parameter of winning machine cutting part electromechanical driving system to design, electrical system type selecting and Control System Design.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, it is clear that the present invention can be carried out various change and modification without deviating from the spirit and scope of the present invention by those skilled in the art.So, if these amendments of the present invention and modification belong within the scope of the claims in the present invention and equivalent technologies thereof, then the present invention is also intended to comprise these change and modification.
Claims (4)
1. drum shearer advanced person's cut drive system exploitation test platform, it is characterised in that: including mechanical part and observing and controlling part, wherein mechanical part includes: drive part, running part and loading section；Described loading section is connected by inertial flywheel (13) with running part, described drive part is connected by star-like shaft coupling (4) with running part, is additionally provided with the first torque and speed sensors (5) between described running part and star-like shaft coupling；Described observing and controlling part includes host computer (24) and controller (23), and described host computer sends the data ordering and receiving drive part, running part and loading section transmission by controller to drive part and loading section.
2. drum shearer advanced person's cut drive system according to claim 1 exploitation test platform, it is characterized in that: described drive part includes cutting units drive motor DTC converter (1), current sensor (2) and cutting units drive motor (3), described cutting units drive motor DTC converter (1) is connected with cutting units drive motor (3), and described current sensor is for gathering the output electric current of cutting units drive motor DTC converter and output current signal being sent to controller；Described cutting units drive motor is connected with star-like shaft coupling.
null3. drum shearer advanced person's cut drive system according to claim 2 exploitation test platform，It is characterized in that: described running part includes two-stage parallel axis decelerator (7)、Second torque and speed sensors (9) and NGW planetary reducer (11)，The input of described two-stage parallel axis decelerator (7) and the first torque and speed sensors (5) outfan are connected by positive coupling (6)，Two-stage parallel axis decelerator (7) outfan and the second torque and speed sensors (9) input are connected by positive coupling (8)，Described NGW planetary reducer (11) input and the second torque and speed sensors (9) outfan are connected by positive coupling (10)，NGW planetary reducer (11) outfan and inertial flywheel (13) input are connected by positive coupling (12)；Described second torque and speed sensors is connected with controller.
4. drum shearer advanced person's cut drive system according to claim 3 exploitation test platform, it is characterized in that: described loading section includes the 3rd torque and speed sensors (15), raising speed case (17), liquid braking device (19) and electric A.C. dynamometer and controls system (21), 3rd torque and speed sensors (15) input is connected with inertial flywheel (13) by positive coupling (14), and the 3rd torque and speed sensors (15) outfan is connected with raising speed case (17) by positive coupling (16)；The input of liquid braking device (19) is connected with raising speed case by positive coupling (18), and the outfan of liquid braking device is connected with the electric dynamometer output shaft in electric A.C. dynamometer and control system (21) thereof by positive coupling (20)；Described 3rd torque and speed sensors is connected with controller；Described liquid braking device (19) drives plate (22) to be connected with controller by liquid braking device proportional pressure valve.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610107280.5A CN105738103B (en) | 2016-02-26 | 2016-02-26 | A kind of advanced cutting transmission system exploitation test platform of drum shearer |
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| CN201610107280.5A CN105738103B (en) | 2016-02-26 | 2016-02-26 | A kind of advanced cutting transmission system exploitation test platform of drum shearer |
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| CN105738103A true CN105738103A (en) | 2016-07-06 |
| CN105738103B CN105738103B (en) | 2018-08-17 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107490763A (en) * | 2017-08-22 | 2017-12-19 | 中国矿业大学 | The load simulation experimental rig and method of a kind of low-speed big permanent-magnet drive system |
| CN111307445A (en) * | 2018-12-12 | 2020-06-19 | 东北林业大学 | Aerostatic spindle test bed based on accurate removal in X, Y direction |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107490763A (en) * | 2017-08-22 | 2017-12-19 | 中国矿业大学 | The load simulation experimental rig and method of a kind of low-speed big permanent-magnet drive system |
| CN111307445A (en) * | 2018-12-12 | 2020-06-19 | 东北林业大学 | Aerostatic spindle test bed based on accurate removal in X, Y direction |
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| Publication number | Publication date |
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| CN105738103B (en) | 2018-08-17 |
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Effective date of registration: 20190716 Address after: 402460 Rong Circuit 288, Guangshun Street, Rongchang District, Chongqing Patentee after: CHONGQING YONGRONG MACHINERY MANUFACTURING CO., LTD. Address before: 400044 Shapingba street, Shapingba District, Chongqing, No. 174 Patentee before: Chongqing University |
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