CN201623616U - Coal mine machine and transmission system thereof - Google Patents
Coal mine machine and transmission system thereof Download PDFInfo
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- CN201623616U CN201623616U CN201020119041XU CN201020119041U CN201623616U CN 201623616 U CN201623616 U CN 201623616U CN 201020119041X U CN201020119041X U CN 201020119041XU CN 201020119041 U CN201020119041 U CN 201020119041U CN 201623616 U CN201623616 U CN 201623616U
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- coal mine
- mine machinery
- drive system
- coal
- frequency motor
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Abstract
The utility model discloses a transmission system used for a coal mine machine, comprising a power part used for providing power for the coal mine machine; and the power part is a variable frequency motor (21) installed at the proper position of a body of the coal mine machine. In the whole starting process of the variable frequency motor (21), the variable frequency motor does not have impact torque and can be smoothly started for operation, so that oscillating load for the transmission system caused in the starting process of the coal mine machine can be remarkably reduced, and the transmission reliability and work safety of the coal mine machine are further improved. The utility model also discloses the coal mine machine comprising the transmission system.
Description
Technical field
The utility model relates to the coal mine machinery technical field, particularly a kind of drive system that is used for coal mine machinery.The utility model also relates to a kind of coal mine machinery that comprises above-mentioned drive system.
Background technology
Along with the fast development of China's economic construction, industry such as coal constantly develop towards the direction of mechanization, automation, and various coal minings and transporting equipment are applied to mine in the construction more and more widely.
Be that example is introduced the drive system of a kind of typical application in coal mine machinery below with the coal plough.
Please refer to Fig. 1, Fig. 1 is a kind of structural representation of typical coal plough.
Coal plough is used for the exploitation and the transportation of 1.0～2.0 meters girdles under the coal mine.As the coal excavation apparatus of a kind of " shallow section dark, many circulations ", coal plough has distinctive advantage for the coal mining in the big mine of girdle, gas bearing capacity.As depicted in figs. 1 and 2, coal plough comprises drive system 11, drive system 11 provides and power is transferred to trailer system 12, the power drive shearing system 13 that the drive system 11 of utilizing trailer system 12 transmits, work by shearing system 13 is to realize the exploitation of raw coal, the raw coal that exploitation is finished is outwards carried by fortune coal measures system 14, to finish the former coal mining and the course of conveying of coal plough.
Above-mentioned drive system comprises power part and deceleration device at different levels, and above-mentioned power part generally can be two-speed motor.Two-speed motor provides operation power for whole coal plough, and the power of two-speed motor generation is sent to each work system of coal plough respectively by deceleration devices at different levels.
But, the startup of above-mentioned two-speed motor is slower, and the vibration when starting is bigger, influence the job stability of coal mine machinery, and two-speed motor can't be realized comparatively frequent and commutation fast, so that adapt to the conversion of the working condition of coal mine machinery in real time, makes that the impact of coal mine machinery in the work engineering is bigger, and be easy to cause the chain fracture of transmission mechanism in some machinery, had a strong impact on the job security of coal mine machinery.
In sum, how to reduce the impact of drive system in the coal mine machinery, thereby improve the reliable transmission and the job security of coal mine machinery, just become the problem that those skilled in the art need solve.
The utility model content
The purpose of this utility model provides a kind of drive system that is used for coal mine machinery, and it has less impact at work, thereby has improved the reliable transmission and the job security of coal mine machinery.Another purpose of the present utility model provides a kind of coal mine machinery that comprises above-mentioned drive system.
For solving the problems of the technologies described above, the utility model provides a kind of drive system that is used for coal mine machinery, is included as the power part that described coal mine machinery provides power, and described power part is the variable-frequency motor that is installed on the body appropriate location of described coal mine machinery.
Preferably, described drive system is installed on the body of described coal mine machinery by mount pad.
Preferably, described variable-frequency motor is the explosion-proof type variable-frequency motor.
Preferably, also comprise deceleration device, described deceleration device is installed between the work system of the output of described variable-frequency motor and described coal mine machinery.
Preferably, described deceleration device is to be installed on the output of described variable-frequency motor and the multiple-speed gear-box between the described work system.
Preferably, also comprise protective device, described protective device is installed between the output and described deceleration device of described variable-frequency motor.
Preferably, the described protective device square device that exceeds.
The utility model also provides a kind of coal mine machinery, comprises above-mentioned each described drive system.
Further, be specially coal plough.
Further, be specially drag conveyor.
The drive system that is used for coal mine machinery provided by the utility model is included as the power part that coal mine machinery provides power, and this power part is a variable-frequency motor.In the course of work of coal mine machinery, machine startup, variable-frequency motor is started working, and for the work system of coal mine machinery provides power, finishes and mines or operation such as fortune coal so that drive work system.The mode of variable-frequency motor by frequency control can be implemented in stepless time adjustment in the whole process of coal mine machinery, thereby significantly improved the speed efficiency of drive system, makes drive system can realize stepless time adjustment faster; Simultaneously, when coal mine machinery started, variable-frequency motor can realize that voltage slowly rises to rated voltage by zero, and like this, the starting current of power set in start-up course just is may command by uncontrollable the becoming of past overload impact electric current.And can regulate the size of starting current as required.There is not impact torque in the overall process that variable-frequency motor starts, but level and smooth startup operation, thereby significantly reduced the coal mine machinery oscillating load that drive system is born when starting, and then improved the reliable transmission and the job security of coal mine machinery.
Description of drawings
Fig. 1 is a kind of structural representation of typical coal plough;
Fig. 2 is the structural representation of main apparent direction in a kind of embodiment of drive system of coal mine machinery that the utility model is provided for;
Fig. 3 is the structural representation of the drive system side-looking direction that is used for coal mine machinery shown in Figure 2;
Fig. 4 provides the structural representation of a kind of embodiment of coal plough for the utility model;
Fig. 5 provides the structural representation of a kind of embodiment of drag conveyor for the utility model.
Embodiment
Core of the present utility model provides a kind of drive system that is used for coal mine machinery, and it has less impact at work, thereby has improved the reliable transmission and the job security of coal mine machinery.Another core of the present utility model provides a kind of coal mine machinery that comprises above-mentioned drive system.
In order to make those skilled in the art person understand the technical solution of the utility model better, the utility model is described in further detail below in conjunction with the drawings and specific embodiments.
Please refer to Fig. 2 and Fig. 3, Fig. 2 is the structural representation of main apparent direction in a kind of embodiment of drive system of coal mine machinery that the utility model is provided for; Fig. 3 is the structural representation of the drive system side-looking direction that is used for coal mine machinery shown in Figure 2.
In a kind of embodiment, the drive system 1 that is used for coal mine machinery provided by the utility model is included as the power part that coal mine machinery provides power, and this power part is the variable-frequency motor 21 that is installed on the body appropriate location of coal mine machinery.Drive system can be installed on the appropriate location of coal mine machinery by the mode of routine, for example, drive system can be installed on the body of coal mine machinery removably by bolted mode, the advantage of this connected mode is, when drive system breaks down, can comparatively easily drive system be pulled down on the body of coal mine machinery, installation and maintenance is all comparatively convenient.
Above-mentioned drive system can have mount pad, and is installed on the body of coal mine machinery by mount pad.This mount pad can be platy structure, and the appropriate location on it (for example four corners) can offer through hole or screwed hole, like this, bolt passes through hole or the screwed hole on this mount pad, to realize that drive system is connected with the dismantled and assembled of coal mine machinery body.Apparently, above-mentioned mount pad also is not limited to platy structure, and its specific constructive form should not be subjected to the restriction of this specification.
Above-mentioned drive system also is not limited to by bolted mode and is installed on removably on the body of coal mine machinery, and it also can be fixedly installed on the body of coal mine machinery by the mode of welding.Theoretically, as long as satisfy fixedlying connected of certain reliability between the body of drive system and coal mine machinery, both concrete connected modes should not be subjected to the restriction of this specification.
Above-mentioned variable-frequency motor 21 can be the explosion-proof type variable-frequency motor.In the applied Coal Production environment of coal mine machinery, airborne flammable suspended matter is more, therefore, uses the explosion-proof type variable-frequency motor can significantly improve the job security of variable-frequency motor 21.
In the course of work of coal mine machinery, machine startup, variable-frequency motor 21 is started working, and for the work system of coal mine machinery provides power, finishes and mines or operation such as fortune coal so that drive work system.The mode of variable-frequency motor 21 by frequency control can be implemented in stepless time adjustment in the whole process of coal mine machinery, thereby significantly improved the speed efficiency of drive system 1, makes drive system 1 can realize stepless time adjustment faster; Simultaneously, when coal mine machinery started, variable-frequency motor 21 can realize that voltage slowly rises to rated voltage by zero, and like this, the starting current of power set in start-up course just is may command by uncontrollable the becoming of past overload impact electric current.And can regulate the size of starting current as required.There is not impact torque in the overall process that variable-frequency motor 21 starts, but level and smooth startup operation, thereby significantly reduced the coal mine machinery oscillating load that drive system 1 is born when starting, and then improved the reliable transmission and the job security of coal mine machinery.
Can also be further improved the drive system that is used for coal mine machinery provided by the utility model.
Please continue referring to figs. 2 and 3.In another kind of embodiment, the drive system 1 that is used for coal mine machinery provided by the utility model can also comprise deceleration device 23, and this deceleration device 23 is installed between the work system of the output of variable-frequency motor 21 and coal mine machinery.Like this,, send work system to after changing suitable working speed into, further improved the service behaviour of drive system by the rotating speed of deceleration device 23 with variable-frequency motor 21 output.
Above-mentioned deceleration device 23 also can be installed on the appropriate location of coal mine machinery body by mount pad, and variable-frequency motor 21 is installed on the body of coal mine machinery by deceleration device 23.Same, deceleration device 23 also can be installed on the body of coal mine machinery removably by bolted mode, and perhaps the mode by welding is fixed in above-mentioned body; As long as can realize stablizing, firm installation, the concrete installation form of deceleration device 23 is not subjected to the restriction of this specification.
Above-mentioned deceleration device 23 can be specially the output that is installed on variable-frequency motor 21 and the multiple-speed gear-box between the work system.
In another kind of embodiment, the drive system that is used for coal mine machinery provided by the utility model can also comprise protective device 22, and this protective device 22 is installed between the output and deceleration device 23 of variable-frequency motor 21.Under the excessive situation of service load, this protective device 22 can be variable-frequency motor 21 unloadings, thereby has guaranteed the work safety of variable-frequency motor 21, the useful life of having improved variable-frequency motor 21.
The above-mentioned protective device 22 square device that can exceed, or other have the device of similar functions.
Except above-mentioned drive system, the utility model also provides a kind of coal mine machinery that comprises above-mentioned drive system.Be example with coal plough and drag conveyor below, briefly introduce the structure of other each several parts of coal mine machinery.
Please refer to Fig. 4, Fig. 4 provides the structural representation of a kind of embodiment of coal plough for the utility model.
Particularly, above-mentioned coal mine machinery can be coal plough.This coal plough comprises drive system 1, drive system 1 provides and power is transferred to trailer system 2, the power drive shearing system 3 that the drive system 1 of utilizing trailer system 2 transmits, work by shearing system 3 is to realize the exploitation of raw coal, the raw coal that exploitation is finished is outwards carried by fortune coal measures system 4, to finish the former coal mining and the course of conveying of coal plough.Above-mentioned drive system 1 comprises variable-frequency motor 21, protective device 22 and decelerator 23.In the course of work of coal plough, machine startup, variable-frequency motor 21 is started working, and for the work system of coal mine machinery provides power, finishes and mines and operation such as fortune coal so that drive work system.The mode of variable-frequency motor 21 by frequency control can be implemented in stepless time adjustment in the whole process of coal plough, thereby significantly improved the speed efficiency of drive system 1, makes drive system 1 can realize stepless time adjustment faster; Simultaneously, when coal plough started, variable-frequency motor 21 can realize that voltage slowly rises to rated voltage by zero, and like this, the starting current of power set in start-up course just is may command by uncontrollable the becoming of past overload impact electric current.And can regulate the size of starting current as required.There is not impact torque in the overall process that variable-frequency motor 21 starts, but level and smooth startup operation, thereby significantly reduced the coal plough oscillating load that drive system 1 is born when starting, and then improved the reliable transmission and the job security of coal mine machinery.
Please refer to Fig. 5, Fig. 5 provides the structural representation of a kind of embodiment of drag conveyor for the utility model.
Particularly, above-mentioned coal mine machinery can be drag conveyor.This drag conveyor comprises the drive system 1 of drive sprocket set 24 work, and this chain gear apparatus 24 drives the course of conveying that the scraper chain 25 that is layed on the drag conveyor body is finished raw coal.This drive system 1 also comprises variable-frequency motor 21, protective device 22 and deceleration device 23.The mode of variable-frequency motor 21 by frequency control can be implemented in stepless time adjustment in the whole process of drag conveyor, thereby significantly improved the speed efficiency of drive system 1, makes drive system 1 can realize stepless time adjustment faster; Simultaneously, when drag conveyor started, variable-frequency motor 21 can realize that voltage slowly rises to rated voltage by zero, and like this, the starting current of power set in start-up course just is may command by uncontrollable the becoming of past overload impact electric current.And can regulate the size of starting current as required.There is not impact torque in the overall process that variable-frequency motor 21 starts, but level and smooth startup operation, thereby significantly reduced the drag conveyor oscillating load that drive system 1 is born when starting, and then improved the reliable transmission and the job security of drag conveyor.
More than a kind of coal mine machinery provided by the utility model and drive system thereof are described in detail.Used specific case herein principle of the present utility model and execution mode are set forth, the explanation of above embodiment just is used for helping to understand method of the present utility model and core concept thereof.Should be understood that; for those skilled in the art; under the prerequisite that does not break away from the utility model principle, can also carry out some improvement and modification to the utility model, these improvement and modification also fall in the protection range of the utility model claim.
Claims (10)
1. a drive system that is used for coal mine machinery is included as the power part that described coal-cutting machinery provides power, it is characterized in that, described power part is the variable-frequency motor (21) that is installed on the body appropriate location of described coal-cutting machinery.
2. the drive system that is used for coal mine machinery according to claim 1 is characterized in that, described drive system is installed on the body of described coal mine machinery by mount pad.
3. the drive system that is used for coal mine machinery according to claim 1 is characterized in that, described variable-frequency motor (21) is the explosion-proof type variable-frequency motor.
4. the drive system that is used for coal mine machinery according to claim 1 is characterized in that, also comprises deceleration device (23), and described deceleration device (23) is installed between the work system of the output of described variable-frequency motor (21) and described coal mine machinery.
5. the drive system that is used for coal mine machinery according to claim 4 is characterized in that, described deceleration device (23) is for being installed on multiple-speed gear-box between the output of described variable-frequency motor and the described work system.
6. the drive system that is used for coal mine machinery according to claim 4 is characterized in that, also comprises protective device (22), and described protective device (22) is installed between the output and described deceleration device (23) of described variable-frequency motor (21).
7. the drive system that is used for coal mine machinery according to claim 6 is characterized in that, described protective device (22) the square device that exceeds.
8. a coal mine machinery is characterized in that, comprises each described drive system of claim 1 to 7.
9. coal mine machinery according to claim 8 is characterized in that, is specially coal plough.
10. coal mine machinery according to claim 8 is characterized in that, is specially drag conveyor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201020119041XU CN201623616U (en) | 2010-02-20 | 2010-02-20 | Coal mine machine and transmission system thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201020119041XU CN201623616U (en) | 2010-02-20 | 2010-02-20 | Coal mine machine and transmission system thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201623616U true CN201623616U (en) | 2010-11-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201020119041XU Expired - Fee Related CN201623616U (en) | 2010-02-20 | 2010-02-20 | Coal mine machine and transmission system thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201623616U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2011100873A1 (en) * | 2010-02-20 | 2011-08-25 | 湖南三一智能控制设备有限公司 | Coal mine machine and transmission system thereof |
| CN102678109A (en) * | 2012-04-26 | 2012-09-19 | 三一重型装备有限公司 | Cutting part protective device for continuous mining machine and continuous mining machine |
-
2010
- 2010-02-20 CN CN201020119041XU patent/CN201623616U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2011100873A1 (en) * | 2010-02-20 | 2011-08-25 | 湖南三一智能控制设备有限公司 | Coal mine machine and transmission system thereof |
| CN102678109A (en) * | 2012-04-26 | 2012-09-19 | 三一重型装备有限公司 | Cutting part protective device for continuous mining machine and continuous mining machine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20101103 Termination date: 20160220 |