CN103061756B - Rotary drum shearer and rocker arm thereof - Google Patents
Rotary drum shearer and rocker arm thereof Download PDFInfo
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- CN103061756B CN103061756B CN201210562844.6A CN201210562844A CN103061756B CN 103061756 B CN103061756 B CN 103061756B CN 201210562844 A CN201210562844 A CN 201210562844A CN 103061756 B CN103061756 B CN 103061756B
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- heat
- temperature
- flitting
- conducting cylinder
- signal
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- 238000001514 detection method Methods 0.000 claims abstract description 20
- 239000000523 sample Substances 0.000 claims abstract description 18
- 230000003287 optical effect Effects 0.000 claims description 10
- 239000013307 optical fiber Substances 0.000 claims description 10
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 3
- 230000015572 biosynthetic process Effects 0.000 claims description 3
- 229910052802 copper Inorganic materials 0.000 claims description 3
- 239000010949 copper Substances 0.000 claims description 3
- 239000002184 metal Substances 0.000 claims description 3
- 229910052751 metal Inorganic materials 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 8
- 238000007789 sealing Methods 0.000 abstract description 8
- 238000009434 installation Methods 0.000 abstract description 5
- 238000012423 maintenance Methods 0.000 abstract description 5
- 239000003921 oil Substances 0.000 description 21
- 238000005461 lubrication Methods 0.000 description 20
- 230000000875 corresponding effect Effects 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 238000007689 inspection Methods 0.000 description 3
- 230000002411 adverse Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 239000003245 coal Substances 0.000 description 2
- 239000010687 lubricating oil Substances 0.000 description 2
- 239000007769 metal material Substances 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 238000009412 basement excavation Methods 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 239000012774 insulation material Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000011897 real-time detection Methods 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
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- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
Abstract
The invention discloses a rotary drum shearer and a rocker arm thereof. The rocker arm of the disclosed rotary drum shearer comprises a rocker arm body (100). A gear cavity (101) is formed in the rocker arm body (100) which forms a temperature detection hole. The rocker arm further comprises a heat conduction cylinder (200) and a temperature sensor (301), wherein the inner end of the heat conduction cylinder (200) is sealed and stretches into the gear cavity (101); the outer surface of the heat conduction cylinder (200) is matched with the temperature detection hole in a sealed mode; and a sensing probe of the temperature sensor (301) is mounted in the heat conduction cylinder and used for detecting the temperature of the wall of the heat conduction cylinder (200) or the temperature of an inner cavity of the heat conduction cylinder (200). When the temperature sensor is detected or maintained or replaced, the heat conduction cylinder (200) is not needed to be disassembled, the sealing state of the gear cavity (101) is not needed to be damaged when a temperature detection device is maintained, and thus sealing performance of the gear cavity (101) can be guaranteed. Accordingly, installation and debugging processes of the temperature detection device are quite simple, and maintenance of the shearer is benefited.
Description
Technical field
The present invention relates to coal-winning machine technology, particularly a kind of rocking arm of flitting, also relate to a kind of flitting comprising this rocking arm.
Background technology
Flitting, at the common equipment of down-hole coal excavation, generally comprises body, rocking arm and cylinder; One end is arranged on body, other end mounting rotary drum.In order to head roll, rocking arm comprises rocker body and travelling gear, and travelling gear is used for power transmission to cylinder.Large based on flitting power, the features such as operating environment is severe, form closed gear cavity in rocker body, travelling gear is arranged in gear cavity, and is full of the lubrication oil with predetermined pressure in gear cavity.
In order to ensure carrying out smoothly of coal mining activity, ensureing gear-driven reliability, needing the temperature of lubrication oil in gear cavity is remained within certain scope.If the temperature of this lubrication oil exceedes predetermined value, then need shutdown inspection gear drive portion whether well, the situation such as whether have device oil that is damaged or lubrication oil whether good.
At present, the temperature of lubrication oil in temperature-detecting device detection of gear chamber is usually adopted.Current temperature-detecting device comprise temperature pick up, compensating circuit and discharge circuit three part composition.The temperature detection hole that rocker body formative gear chamber communicates, housing and the temperature detection hole of temperature pick up are sealed and matched, sensing probe stretches in the lubrication oil of gear cavity, compensating circuit compensates the signal of telecommunication that temperature pick up produces, discharge circuit processes the signal of telecommunication after compensation, and judges whether the temperature of lubrication oil exceedes predetermined value according to the signal of telecommunication; When judging that the temperature of lubrication oil exceedes predetermined value, electronic temp checkout gear is reported to the police.
As mentioned above, owing to being full of the lubrication oil with predetermined pressure in gear cavity, therefore, the housing of temperature pick up will ensure the sealing between rocker body; Like this, when overhauling or change temperature-detecting device, need again, adjust mounting temperature sensor, this just makes temperature-detecting device Installation and Debugging process very loaded down with trivial details, causes flitting maintenance process more complicated.
In addition, current temperature-detecting device can only set a predetermined temperature value, cannot obtain the temperature of lubrication oil in gear cavity in real time, is unfavorable for the temperature of lubrication oil in real-time detection of gear chamber, and then is unfavorable for the monitoring to the flitting course of work.
Summary of the invention
In view of this, the invention provides a kind of rocking arm of flitting, utilize this rocking arm can reduce because temperature-detecting device is to the adverse effect of flitting maintenance process.
In addition, the present invention also provides a kind of flitting comprising above-mentioned rocking arm.
The rocking arm of flitting provided by the invention comprises rocker body, formative gear chamber in described rocker body, and described rocker body formation temperature detect aperture, also comprises heat-conducting cylinder and temperature pick up, and the inner of described heat-conducting cylinder is closed and stretches in described gear cavity; Described heat-conducting cylinder external surface and described temperature detection hole are sealed and matched; The sensing probe of described temperature pick up is arranged in described heat-conducting cylinder, for the temperature of the inner chamber of the wall or heat-conducting cylinder that detect heat-conducting cylinder.
Optionally, described heat-conducting cylinder is metal heat-conducting cylinder.
Optionally, described heat-conducting cylinder is the heat-conducting cylinder that copper is done.
Optionally, the rocking arm of described flitting also comprises the outer end cap be sealed and matched with the outer end of described heat-conducting cylinder.
Optionally, described temperature pick up is optical fiber and grating sensing temperature probe.
Optionally, the rocking arm of described flitting also comprises signal processor, controller and output device; The input of described signal processor is connected with described temperature pick up, and the output of described signal processor is connected with the input of described controller; The output of described controller is connected with the input of described output device;
Described signal processor is used for the optical signal that described temperature pick up exports to be converted to the signal of telecommunication;
Described controller is used for being processed by the signal of telecommunication that described signal processor exports according to predetermined strategy, and result is outputted to described output device;
Described output device is used for result to export.
Optionally, described predetermined strategy comprises: revised by the signal of telecommunication that described signal processor exports, and the revised signal of telecommunication is converted to data signal; Or the signal of telecommunication that described signal processor exports is converted to data signal, and data signal is revised.
Optionally, the rocking arm of described flitting also comprises warning device, and the input of described warning device is connected with an output of described controller;
Described controller is also for judging that whether obtain data signal is greater than predetermined threshold value, if so, then sends alarm command to described warning device; Described warning device sends alarm signal according to alarm command.
Optionally, described output device is display.
The flitting provided comprises body and cylinder, and also comprise the rocking arm of above-mentioned flitting described in any one, one end of this rocking arm is arranged on body, and the other end installs described cylinder.
In the rocking arm of flitting provided by the invention, except comprising rocker body, and formative gear chamber and being formed outside corresponding temperature detection hole in rocker body, temperature-detecting device comprises heat-conducting cylinder and temperature pick up, and the inner of described heat-conducting cylinder is closed and stretches in described gear cavity; Described heat-conducting cylinder external surface and described temperature detection hole are sealed and matched; The sensing probe of described temperature pick up is arranged in described heat-conducting cylinder, for the temperature of the inner chamber of the wall or heat-conducting cylinder that detect heat-conducting cylinder.Like this by detecting the temperature of the wall of heat-conducting cylinder or the inner chamber of heat-conducting cylinder, just can the temperature of lubrication oil in indirect inspection gear cavity.More importantly, compared with prior art, when detecting, repairing or change temperature pick up, do not need to dismantle heat-conducting cylinder, do not need the sealing state destroying gear cavity when safeguarding temperature-detecting device, and then the sealing performance of gear cavity can be ensured; This just makes temperature-detecting device Installation and Debugging process very simple, facilitates the maintenance of flitting.In addition, can also make heat-conducting cylinder and rocker body one-body molded, or to be fixedly linked, the gear-box that temperature-detecting device causes can be reduced like this and leak, improve the functional reliability of rocking arm.
In further technical scheme, rocking arm also comprises the outer end cap be sealed and matched with the outer end of described heat-conducting cylinder; The impact of ambient temperature on heat-conducting cylinder wall or inner chamber can be reduced like this, improve the accuracy of temperature pick up detection signal, stability and reliability.
In further technical scheme, described temperature pick up is optical fiber and grating sensing temperature probe, more accurately the variations in temperature of heat-conducting cylinder can be converted to optical signal by optical fiber and grating sensing temperature probe, and then provide convenience for the temperature of lubrication oil in temperature that to measure heat-conducting cylinder more accurately and gear cavity, improve detection accuracy.
In further technical scheme, described controller is used for being processed by the signal of telecommunication that described signal processor exports according to predetermined strategy, and result is outputted to described output device; Described predetermined strategy comprises: revised by the signal of telecommunication that described signal processor exports, and the revised signal of telecommunication is converted to data signal; Or the signal of telecommunication that described signal processor exports is converted to data signal, and data signal is revised.The error that indirect inspection causes can be reduced like this, improve temperature-detecting device accuracy.
In addition, flitting provided by the invention, owing to comprising above-mentioned rocking arm, also has corresponding technique effect.
Accompanying drawing explanation
The accompanying drawing forming a part of the present invention is used to provide a further understanding of the present invention, and schematic description and description of the present invention, for explaining the present invention, does not form inappropriate limitation of the present invention.
Fig. 1 is in the rocking arm of a kind of flitting that the embodiment of the present invention provides, and the structural representation of temperature-detecting device, this there is shown part rocker body.
In figure:
Rocker body 100, gear cavity 101; Heat-conducting cylinder 200; Temperature pick up 310, signal processor 320, controller 330, output device 340, warning device 350.
Detailed description of the invention
It should be noted that, when not conflicting, the embodiment in the present invention and the feature in embodiment can combine mutually.Below with reference to the accompanying drawings and describe the present invention in detail in conjunction with the embodiments.
Please refer to Fig. 1, this figure is in the rocking arm of a kind of flitting that the embodiment of the present invention provides, and the structural representation of temperature-detecting device, this there is shown part rocker body.
The rocking arm of the flitting that this embodiment provides comprises rocker body 100 (shown in figure a part); Similar with known technology, formative gear chamber 101 in rocker body 100, rocker body 100 formation temperature detect aperture.
In addition, also comprise temperature-detecting device, temperature-detecting device also comprises heat-conducting cylinder 200 and temperature pick up 310.The inner of heat-conducting cylinder 200 is closed and stretches in gear cavity 101, to have predetermined contact surface between the lubrication oil in gear cavity 101.Heat-conducting cylinder 200 external surface and described temperature detection hole are sealed and matched.The outer peripheral face of heat-conducting cylinder 200 and temperature detection hole can be made to be sealed and matched, also the outer end flange of heat-conducting cylinder 200 and temperature detection hole can be made to be sealed and matched, to ensure the sealing between heat-conducting cylinder 200 and rocker body 100, lubrication oil is avoided to leak between heat-conducting cylinder 200 and rocker body 100.Between heat-conducting cylinder 200 with rocker body 100 can by bonding, be welded and fixed, also can be one-body molded.Heat-conducting cylinder 200 can by the wall of the temperature conduction of lubrication oil to heat-conducting cylinder 200 or the inner chamber of heat-conducting cylinder 200.
The sensing probe of temperature pick up 310 is arranged in heat-conducting cylinder 200, for the temperature of the inner chamber of the wall or heat-conducting cylinder 200 that detect heat-conducting cylinder 200.Based on the relation in the temperature of the wall of heat-conducting cylinder 200 or the inner chamber of heat-conducting cylinder 200 and gear cavity 101 between lubricating oil temperature, lubricating oil temperature in gear cavity 101 can be obtained according to the detection signal of temperature pick up 310.
Compared with prior art, when detecting, repairing or change temperature pick up, do not need to dismantle heat-conducting cylinder 200, do not need the sealing state destroying gear cavity 101 when safeguarding temperature-detecting device, and then the sealing performance of gear cavity 101 can be ensured; This just makes temperature-detecting device Installation and Debugging process very simple, facilitates the maintenance of flitting.Make heat-conducting cylinder and rocker body one-body molded, or when being fixedly linked, the gear-box that temperature-detecting device causes can being reduced and leak, improve the functional reliability of rocking arm; Heat transmission loss can be reduced simultaneously, temperature detection accuracy is provided.
Heat-conducting cylinder 200 can be made by Heat Conduction Material, preferably uses metal material manufacture, forms metal heat-conducting cylinder.In metal material, preferably with the heat-conducting cylinder that copper is done.
In order to reduce the adverse effect of external environment condition to temperature detection, can also outer end cap be set, and the outer end of outer end cap and heat-conducting cylinder 200 is sealed and matched.For the ease of the installation of temperature pick up 310, outer end cap can be made to be sealed and matched with the internal face of heat-conducting cylinder 200 outer end to plug, also outer end cap can be kept being connected with heat-conducting cylinder 200 by detachable mechanism; Certainly, outer end cap can also be made by thermal insulation material, to cut off or to reduce the interchange of heat between heat-conducting cylinder 200 inner chamber and outside as much as possible.
In the embodiment of the present invention, temperature pick up 310 is optical fiber and grating sensing temperature probe.Optical fiber and grating sensing temperature probe can embed in the wall of heat-conducting cylinder 200, also can stretch into the inner chamber of heat-conducting cylinder 200.The thermally sensitive characteristic of the optical spectrum that optical fiber and grating sensing temperature probe utilizes probe unit reverse, produces corresponding optical signal, and then can according to the temperature of optical signal determination heat-conducting cylinder 200 region of interest.Optical fiber and grating sensing temperature probe is passive probe, and not by electric field or magnetic interference, stability is high; In addition, to the optical signal that optical fiber and grating sensing temperature probe exports, existing mode can be utilized, and according to optical wavelength variable image data, obtain the temperature of lubrication oil in heat-conducting cylinder 200 and gear cavity 101, can improve thermometric accuracy.
In the present embodiment, temperature-detecting device can comprise signal processor 320, controller 330 and output device 340, the input of signal processor 320 can be connected with temperature pick up 310, the output of signal processor 320 can be connected by the input of corresponding circuit with controller 330, and the output of controller 330 is connected with the input of output device 340.In the present embodiment, the input of signal processor 320 can be connected by optical cable with between optical fiber and grating sensing temperature probe; Can be connected by CAN between signal processor 320 with controller 330, transmit reliability to improve signal.Wherein, signal processor 320 is converted to the signal of telecommunication for the optical signal exported by temperature pick up 310.Result for being processed by the signal of telecommunication that signal processor 320 exports according to predetermined strategy, and is outputted to output device 340 by controller 330.Output device 340 is for exporting result.
In controller 330, predetermined strategy can be determined according to actual needs, such as: the signal of telecommunication can be converted to temperature value by existing mode.Rule of thumb or the error amount determined can also be tested, the signal of telecommunication that signal processor 320 exports be revised, and the revised signal of telecommunication is converted to data signal; Also first the signal of telecommunication that signal processor 320 exports can be converted to data signal, more rule of thumb or test the error amount determined and data signal is revised, etc.
In addition, temperature-detecting device can also comprise warning device 350, and the input of warning device 350 is connected with an output of controller 330.Now, all right preset predetermined threshold value in controller 330, and judge that whether obtain data signal is greater than predetermined threshold value, if so, then sends alarm command to warning device 350; Whether warning device 350 sends alarm signal according to alarm command, make operating personnel normal according to the temperature of lubrication oil in alarm signal determination gear cavity 101.Certainly, can make a reservation in controller 330 multiplely be greater than different threshold values.And according to judging whether obtain data signal is greater than predetermined each threshold value, and according to the relation between data signal from different threshold value, send different alarm commands.Such as, when making a reservation for multiple 3 threshold values varied in size, when judging that data signal is greater than maximum threshold value, send one-level alarm command, when judging that data signal is greater than middle threshold value, sending secondary alarm instruction, when judging that data signal is greater than minimum threshold value, sending three grades of alarm commands.Warning device according to the difference of alarm command, can send different alarm signals, makes operating personnel take different processing modes according to different alarm signals.
Warning device 350 can be voice guard, also can be light crossing-signal, can also audible-visual annunciator.Specifically can determine according to actual job environment.
In the present embodiment, output device 340 is display.The result that controller 330 produces can quantize, show over the display intuitively, so that operating personnel determine the temperature of lubrication oil in gear cavity 101 in real time, and then can the temperature of lubrication oil in detection of gear chamber 101 in real time, for the monitoring flitting course of work provides prerequisite.
In addition, the present invention also provides a kind of flitting, and this flitting comprises body and cylinder, also comprises any one rocking arm above-mentioned, and one end of described rocking arm is arranged on body, and the other end installs described cylinder.Owing to having above-mentioned rocking arm, this flitting also has corresponding effect.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. the rocking arm of a flitting, comprise rocker body (100), the interior formative gear chamber (101) of described rocker body (100), described rocker body (100) formation temperature detect aperture, it is characterized in that, also comprise heat-conducting cylinder (200) and temperature pick up (310), the inner of described heat-conducting cylinder (200) is closed and stretches in described gear cavity (101); Described heat-conducting cylinder (200) external surface and described temperature detection hole are sealed and matched; The sensing probe of described temperature pick up (310) is arranged in described heat-conducting cylinder, for the temperature of the inner chamber of the wall or heat-conducting cylinder (200) that detect heat-conducting cylinder (200).
2. the rocking arm of flitting according to claim 1, is characterized in that, described heat-conducting cylinder (200) is metal heat-conducting cylinder.
3. the rocking arm of flitting according to claim 2, is characterized in that, the heat-conducting cylinder that described heat-conducting cylinder (200) is done for copper.
4. the rocking arm of the flitting according to claim 1,2 or 3, is characterized in that, also comprises the outer end cap be sealed and matched with the outer end of described heat-conducting cylinder (200).
5. the rocking arm of flitting according to claim 4, is characterized in that, described temperature pick up (310) is optical fiber and grating sensing temperature probe.
6. the rocking arm of flitting according to claim 5, is characterized in that, also comprises signal processor (320), controller (330) and output device (340); The input of described signal processor (320) is connected with described temperature pick up (310), and the output of described signal processor (320) is connected with the input of described controller (330); The output of described controller (330) is connected with the input of described output device (340);
Described signal processor (320) is converted to the signal of telecommunication for the optical signal exported by described temperature pick up (310);
Result for being processed by the signal of telecommunication that described signal processor (320) exports according to predetermined strategy, and is outputted to described output device (340) by described controller (330);
Described output device (340) is for exporting described result.
7. the rocking arm of flitting according to claim 6, is characterized in that, described predetermined strategy comprises: revised by the signal of telecommunication that described signal processor (320) exports, and the revised signal of telecommunication is converted to data signal; Or the signal of telecommunication that described signal processor (320) exports is converted to data signal, and data signal is revised.
8. the rocking arm of flitting according to claim 7, is characterized in that, also comprises warning device (350), and the input of described warning device (350) is connected with an output of described controller (330);
Described controller (330) is also for judging that whether obtain data signal is greater than predetermined threshold value, if so, then sends alarm command to described warning device (350); Described warning device (350) sends alarm signal according to alarm command.
9. the rocking arm of flitting according to claim 6, is characterized in that, described output device (340) is display.
10. a flitting, comprises body and cylinder, it is characterized in that, also comprises the rocking arm of flitting described in any one of claim 1 to 9, and one end of this rocking arm is arranged on body, and the other end installs described cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210562844.6A CN103061756B (en) | 2012-12-21 | 2012-12-21 | Rotary drum shearer and rocker arm thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210562844.6A CN103061756B (en) | 2012-12-21 | 2012-12-21 | Rotary drum shearer and rocker arm thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103061756A CN103061756A (en) | 2013-04-24 |
| CN103061756B true CN103061756B (en) | 2015-01-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210562844.6A Expired - Fee Related CN103061756B (en) | 2012-12-21 | 2012-12-21 | Rotary drum shearer and rocker arm thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103061756B (en) |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2162645Y (en) * | 1993-07-01 | 1994-04-20 | 朱鸿贻 | Liquid level monitor with temp. controlled alarm |
| JP2006162580A (en) * | 2004-12-02 | 2006-06-22 | Sanyu Kogyo Kk | Organic matter fermentation system using moisture percentage sensor |
| CN101140138B (en) * | 2007-01-23 | 2012-02-29 | 北京核心动力科技有限公司 | Crucible with temperature sensor protecting equipment |
| CN201464058U (en) * | 2009-03-11 | 2010-05-12 | 王运 | Packaging structure of temperature sensor |
| CN202280458U (en) * | 2011-10-21 | 2012-06-20 | 三一重型装备有限公司 | Coal mining machine and rocker arm thereof |
| CN102777177B (en) * | 2012-08-18 | 2015-04-01 | 江苏中机矿山设备有限公司 | Cantilever type coal cutter rocking arm |
-
2012
- 2012-12-21 CN CN201210562844.6A patent/CN103061756B/en not_active Expired - Fee Related
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| Publication number | Publication date |
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| CN103061756A (en) | 2013-04-24 |
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Granted publication date: 20150114 Termination date: 20161221 |