CN102444412B - Integrated intelligent mine pressure detection warning indicator - Google Patents
Integrated intelligent mine pressure detection warning indicator Download PDFInfo
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- CN102444412B CN102444412B CN 201110184877 CN201110184877A CN102444412B CN 102444412 B CN102444412 B CN 102444412B CN 201110184877 CN201110184877 CN 201110184877 CN 201110184877 A CN201110184877 A CN 201110184877A CN 102444412 B CN102444412 B CN 102444412B
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Abstract
The invention discloses overpressure and under-pressure warner for hydraulic timbering equipment. The overpressure and under-pressure warner is characterized by comprising a shell, wherein a pressure detection warning device is arranged in the shell, and comprises a warning loop; and the warning loop comprises a power supply, a warner and a pressure switch for detecting the pressure in the hydraulic timbering equipment and controlling the state of the loop. Compared with the prior art, the overpressure and under-pressure warner has the advantages of high intelligent degrees, perfect functions, convenience for detecting, vividness, reliability, low cost and low loss.
Description
Technical field
The present invention relates to independently integrated form intelligence ore deposit pressure detection alarm indicator of a kind of underground hydraulic pressure support apparatus.
Background technology
Mining hydraulic prop equipment (comprising hydraulic prop, cantilever support, hydraulic support and all kinds of jack) is that the current mine work plane is guaranteed safe visual plant.Because down-hole geologic structure complexity, the variation naturally of ore deposit pressure pressure and the seepage phenomenon of hydraulic medium cause hydraulic prop equipment working resistance (decompression and overvoltage) unbalanced phenomena, are the main roots that causes the loosening accidents such as post and superpressure landslide etc. of top board to take place.Example: require according to the 6.1.7 clause among the coal industry standard MT/T548-1996 " hydraulic prop operating specification ": when cylinder diameter is Φ 80mm, its working resistance is not less than 60KN, when cylinder diameter was Φ 100mm, its working resistance was not less than the 90KN working resistance.
But, present widely used hydraulic prop product self does not possess the safety detecting alarm function to working resistance, the often too small or excessive continuous generation that causes down that abacus caves in or cause accident such as the post landslide of breaking because of overload because of working resistance, the decompression of hydraulic prop equipment or the phenomenon of superpressure, this can cause a major gene to lose support force and collapse, perhaps because of a plurality of monomers or support force uneven distribution, thereby make the back timber slump, very easily cause human casualty accident and property loss.At present: the down-hole security staff is the generation that prevents accident, the method of taking is: frequently to hydraulic test (example: hydraulic prop, cantilever support etc.) support force carries out tours of inspection, by the means that fall behind very much such as rocking or beat the working resistance of pillar is checked one by one, not only can not find timely and effectively and deal with problems, also waste a large amount of time and efforts simultaneously, whether normal, therefore can't get rid of potential peace at all if can't understand hydraulic prop equipment current working state timely at all
Full hidden danger.
Summary of the invention
Purpose of the present invention provides a kind of people of need not to press the detection alarm indicator for the integrated form intelligence ore deposit that active monitoring hydraulic prop equipment just supports pressure and working resistance, it can be monitored the over-and under-voltage situation automatically and report to the police automatically, need not manual operation inspection, measurement: in a single day working resistance is lower than the operating pressure of setting, can send tangible color light at once reports to the police, convenient and reliable prompting staff, this hydraulic test working resistance is crossed low or too high, need take corresponding measure in time to handle, in order to avoid the generation of accident.
For achieving the above object the following technological means of employing of the present invention:
The detection alarm indicator is pressed in a kind of integrated form intelligence ore deposit, comprises housing, is provided with the pressure detecting warning device in the housing, and described pressure detecting warning device comprises alarm circuit; Described alarm circuit comprises power supply, alarm and the pressure switch that detects hydraulic prop equipment internal pressure and control loop state.
The detection alarm indicator is pressed in above-mentioned integrated form intelligence ore deposit, and described alarm circuit is provided with two covers: parallel low pressure alarming loop and the alarm for high voltage loop that connects.
The detection alarm indicator is pressed in above-mentioned integrated form intelligence ore deposit, and described alarm also includes injection break-make, hydraulic medium of the whole loop of the control of connecting with alarm circuit can directly make power switch enter the hydraulic selector of duty.
The detection alarm indicator is pressed in above-mentioned integrated form intelligence ore deposit, and described pressure switch comprises compression spring, an end apical grafting plunger of compression spring, the logical switch of other end top contact; Described plunger end face contacts with working solution, the plunger cylindrical outer sleeve is provided with shutoff, and shutoff is arranged with alert body outward, and the other end of alert body is connected with housing; Magnet is fixedly arranged on the described plunger, and touching logical switch is tongue tube or hydraulic selector.
The detection alarm indicator is pressed in above-mentioned integrated form intelligence ore deposit, and described pressure switch comprises that adjusting bolt, described tongue tube are arranged at adjusting bolt inside, the adjusting bolt thread is fixed in the alert body.
The detection alarm indicator is pressed in above-mentioned integrated form intelligence ore deposit, and described alarm is the LED indicator lamp; Described detection alarm loop also includes the electrical verification switch, and described electrical verification switch is connected with battery and alarm, and is in parallel with the tongue tube of pressure switch.
The detection alarm indicator is pressed in above-mentioned integrated form intelligence ore deposit, and it is normally closed switch that described low pressure is touched logical switch; It is normal open switch that described high pressure touches logical switch.
Operating principle of the present invention and beneficial effect show:
The present invention is mainly detected by the pressure detecting warning device in housing and the housing and forms, the front end of housing is the pressure test end, it is specifically tested by cylinder: the cylinder front end communicates with working solution, working solution forms certain pressure to hydraulic prop equipment, hydraulic prop equipment can move around in shutoff under the effect of pressure working solution, compression spring, thereby change the on off operating mode in loop, and reported to the police by the alarm lamp on the warning indication end, rear end of housing.
High and low pressure at described power switch pressure and alarm detector is installed on the alarm front end, and the inner chamber liquid of the liquid inlet port of described pressure piston and cylinder body connects; Described inner chamber is installed battery and dry-reed tube switch or hydraulic selector respectively, and the rear end outer wall is installed two indicator lamps, and indicator lamp can be monochrome or polychrome, also can be that flicker replaces luminous or long bright luminous.
During work, the detection alarm indicator is pressed in this integrated form intelligence ore deposit, be installed in hydraulic prop equipment tube wall or column cap one side, front end (pressure detecting end) connects mutually with liquid medium, rear end (warning indication end) is exposed to shell (column cap or the post nonclient area of living) outer wall, high, the low pressure alarm pressure detection switch, at any time monitor the pressure of medium in the cylinder body, when working medium pressure is lower than setting pressure or be higher than the maximum load force value, high, the low-pressure switch is connected circuit respectively, the high-low pressure light emitting diode outwards sends the obvious warning light of flicker and checker color at once, honorable brightness is more obvious under the darker environment in down-hole, the alarm of this moment is initiatively reminded the staff, this hydraulic prop equipment working resistance deficiency or working resistance are excessive, need in time to replenish processing such as processing such as fluid injection or unloading, the loaded down with trivial details work that has greatly made things convenient for the staff that working resistance is patrolled and examined one by one, effectively, prompting staff active prevention is accurately and timely eliminated accident potential.
This shows, the present invention be a kind of have detect that hydraulic prop equipment just supports resistance or whether working resistance under-voltage, the detection alarm unit of overvoltage or normal condition, can be used as one independently the detection alarm device be installed on the hydraulic prop equipment, form one with support apparatus, can be when working resistance be lower than operate as normal resistance interval value or be higher than operate as normal resistance interval value, the detection alarm integrated unit of timely luminous prompting warning function.
Simultaneously, this alarm was with the working resistance alarm was different in the past, the present invention need not manual operation, dispense with outer connecting power, being installed on the hydraulic test namely can testing force value in real time, only can automatic luminous alarm in non-normal working resistance area scope (under-voltage district or superpressure district), therefore need not manually-operated, automatically connect power supply during use, the power consumptive province, light-emitting flash is reported to the police obviously under the darker environment in down-hole, can send prompting effectively easily, avoid crossing low or too high caving in of causing because of the support apparatus working resistance, fall the disconnected post of post or overload, very important safe early warning effect is played to the supporting accident by accident potential such as landslide.
To sum up, beneficial effect of the present invention and advantage show:
1) the loaded down with trivial details backwardness of pressure detection method of traditional hydraulic prop kind equipment, there are not pressure detecting function and warning function, and need the whether under-voltage or overvoltage of long-term constantly artificial tours of inspection working resistance, and the mining support apparatus overvoltage/undervoltage of intelligent integrated form of the present invention alarm can possess self-checking function by this hydraulic test, and can point out warning, need not the manual operation inspection.
2) to press the detection alarm indicator to be installed in behind the hydraulic prop equipment with hydraulic test be one in integrated form intelligence ore deposit, adapts under the down-hole coal excavation work plane poor environment applied environment of (big gun adopt etc.), should not damage.
3) the mining support apparatus overvoltage/undervoltage of intelligent integrated form alarm has been installed the hydraulic pressure power switch, and when no liquid pressure (when the pressure position is zero), namely when hydraulic test was in off working state, the high and low pressure loop all was in open-circuit condition, not consumes power.
4) under the darker particular surroundings in down-hole, adopting the LED(light emitting diode) luminous type of alarm is obvious, easy observed discovery, and easy power consumptive province, brightness height.
5) simple in structure, with low cost, it is reliable, easy for installation to report to the police, and should not damage long service life.
Description of drawings
Fig. 1 is structural representation of the present invention;
Fig. 2 is scheme of installation of the present invention;
Fig. 3 is electrical schematic diagram of the present invention;
Fig. 4 sets schematic diagram for the hydraulic pressure alarm range.
The specific embodiment
The following correlation technique content of not addressing all can adopt or use for reference prior art.
Shown in Fig. 1, a kind of hydraulic prop overvoltage/undervoltage alarm comprises housing 14, is provided with the pressure detecting warning device in the housing 14, and described pressure detecting warning device comprises alarm circuit; Described alarm circuit comprises power supply 11, alarm and detection hydraulic prop internal pressure and changes the pressure switch of loop state.The alarm of the invention adopts LED alarm lamp 10.
Described alarm circuit is provided with two covers: low pressure alarming loop and alarm for high voltage loop, the circuit diagram in loop is shown in Fig. 3, wherein E is power supply, R is resistance, KN-1 and KN-2 are respectively the electrical verification switch, K1 is the bulk loop switch, K2, K3 is pressure switch, L1, L2 is alarm lamp, the on/off of power on switch K1 control entire circuit, when injecting the small normal pressure of liquid medium in the hydraulic test cylinder body, the K1 closure, warning circuit enters duty, and this K1 can adopt the unlatching form as pressure switch in this device also can adopt other unlatching forms.
Described pressure switch comprises compression spring 7, an end apical grafting plunger 6 of compression spring 7, other end apical grafting tongue tube 9; Described plunger 6 end faces contact with working solution, cylindrical outer sleeve is provided with shutoff 4, the shutoff 4 outer alert body 1 that are arranged with, described housing 14 is threaded with alert body 1 becomes integral body, wherein plunger 6, shutoff 4, compression spring 7 and tongue tube 9 are positioned at alert body 1, and power supply 11, electrical verification switch 12, alarm lamp 10 are positioned at shell 14.
Described pressure switch comprises regulates bolt 8, and tongue tube 9 is positioned at regulates bolt 8.The end of plunger 6 is provided with back-up ring 2, and it is by sealing ring 3 and shutoff 4 sealings, and shutoff 4 is passed through sealing ring 5 sealings with alert body 1 inwall.
Described low pressure switch is that normally closed tongue tube, high-pressure switch are for often opening tongue tube.For guaranteeing the reliability of this device, this device has comprised two electrical verification K switch N1 and KN2, is convenient to alarm lamp and loop are detected.
During use, by sealing ring 13 this alarm screw thread is installed in post alive or column cap tube wall one side of hydraulic test according to Fig. 2, can be by adjusting the accurate requirement that the position of regulating bolt 8 and compression spring 7 pressure values realize satisfying the hydraulic prop high-low pressure of different operating pressure for the different hydraulic prop of operating pressure.
In the course of work, the pressure medium of tested hydraulic prop can be along with pumping plant liquid filling pressure and constantly being suppressed of ore bed address pressure and changes.Shown in Fig. 4, at first setting the pressure segmentation of measured medium: 0-P1 is work starting switch pressure span, and P1-P2 is for under-voltage, and P2-P3 is normal condition, and P3-P4 is overvoltage condition; Set before working resistance P2, P3 value will be dispatched from the factory according to the specific requirement of supporting hydraulic prop equipment and adjust.
Work starts during 0-P1; When P1-P2 is under-voltage, alarm region alarm, the green LED indicator lamp of available flicker; During P2-P3 normal condition, this moment, light emitting diode extinguished, and alarm lamp is in not alarm condition, and this moment is consumes power not, when under operate as normal resistance environment, working, owing to can't determine alarm whether normal (whether electric weight deficiency etc.), can test by electrical verification button KN, after pressing the KN press button, indicator lamp L1, L2 are luminous, illustrate that the alarm electric weight is normal, otherwise then electric weight is low excessively, needs to change battery; During P3-P4 pressure, light emitting diode lamp L2 lights alarm, the red light emitting diodes indicator lamp L2 of available flicker.
At first the normally closed point of setting pressure K switch 2 is: the working resistance number that requires in this monomer standard is put, for example: when DW100 cylinder diameter series monomers requires cylinder diameter Φ 100mm according to the 6.1.7 clause in " coal industry standard MT/T548-1996 " " hydraulic prop operating specification ", its working resistance is not less than 90KN, that is: 90KN=9000kg, working media unit area pressure P=90000 ÷ (3.14 * 502)=11.46MPa, during hydraulic prop work, when the pressure P of measured medium is less than or equal to 11.46, K switch 1 closure, the K2 closure, this moment, LED2 light emitting diode L2 connected, undervoltage warning is lighted and is glimmered, the pressure medium P that shows hydraulic prop low (working resistance deficiency) should improve pressure and need replenish fluid injection or adjust pillar.
When the pressure of measured medium when pressure P is greater than the under-voltage force value of P2 after replenishing fluid injection, at this moment, pressure has entered normal operation region, K switch 2 disconnects, at this moment, luminous L1 diode extinguishes, show that the medium working resistance P of hydraulic prop is in normal range of operation, because the continuous changing factor of down-hole geologic structure, the working resistance of support apparatus is often born the pressure influence of continuous variation, when the pressure of the measured medium of hydraulic prop equipment during greater than P3 superpressure force value, at this moment, pressure has entered the alarm for high voltage zone, and K switch 3 is connected, at this moment, luminous L2 LED flash is reported to the police, the medium working resistance P support works in the superpressure working range that shows hydraulic prop needs to increase processing such as support density this moment, alleviates working resistance.
As seen, high and low pressure alarm pressure detection switch of the present invention, at any time monitor the pressure of medium in the cylinder body, when working medium pressure is lower than setting pressure or be higher than the maximum load force value, high and low pressure switch is connected circuit respectively, and the high-low pressure light emitting diode outwards sends the obvious warning light of flicker and checker color at once.
Claims (7)
1. the detection alarm indicator is pressed in an integrated form intelligence ore deposit, and it is characterized in that: comprise housing, be provided with the pressure detecting warning device in the housing, described pressure detecting warning device comprises alarm circuit; Described alarm circuit comprises power supply, alarm and the pressure switch that detects hydraulic prop equipment internal pressure and control loop state; Described alarm circuit is provided with two covers: parallel low pressure alarming loop and the alarm for high voltage loop that connects; Described alarm also includes injection break-make, hydraulic medium of the whole loop of the control of connecting with alarm circuit can directly make power switch enter the hydraulic selector of duty; Described pressure switch comprises compression spring, an end apical grafting plunger of compression spring, the logical switch of other end top contact; Described plunger end face contacts with working solution, the plunger cylindrical outer sleeve is provided with shutoff, and shutoff is arranged with alert body outward, and the other end of alert body is connected with housing.
2. press the detection alarm indicator according to the described integrated form intelligence of claim 1 ore deposit, it is characterized in that magnet is fixedly arranged on the described plunger, touching logical switch is tongue tube or hydraulic selector.
3. press the detection alarm indicator according to the described integrated form intelligence of claim 1 ore deposit, it is characterized in that, described pressure switch comprises that adjusting bolt, described tongue tube are arranged at adjusting bolt inside, the adjusting bolt thread is fixed in the alert body.
4. press the detection alarm indicator according to the described integrated form intelligence of claim 1 ore deposit, it is characterized in that described alarm is the LED indicator lamp.
5. press the detection alarm indicator according to the described integrated form intelligence of claim 1 ore deposit, it is characterized in that described detection alarm loop also includes the electrical verification switch, described electrical verification switch is connected with battery and alarm, and is in parallel with the tongue tube of pressure switch.
6. press the detection alarm indicator according to the described integrated form intelligence of claim 1 ore deposit, it is characterized in that, the tactile logical switch in described low pressure alarming loop is normally closed switch.
7. press the detection alarm indicator according to the described integrated form intelligence of claim 1 ore deposit, it is characterized in that, the tactile logical switch in described alarm for high voltage loop is normal open switch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110184877 CN102444412B (en) | 2011-07-04 | 2011-07-04 | Integrated intelligent mine pressure detection warning indicator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110184877 CN102444412B (en) | 2011-07-04 | 2011-07-04 | Integrated intelligent mine pressure detection warning indicator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102444412A CN102444412A (en) | 2012-05-09 |
| CN102444412B true CN102444412B (en) | 2013-08-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201110184877 Expired - Fee Related CN102444412B (en) | 2011-07-04 | 2011-07-04 | Integrated intelligent mine pressure detection warning indicator |
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| CN (1) | CN102444412B (en) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104775836B (en) * | 2015-01-26 | 2016-09-07 | 中国矿业大学 | A kind of floated type single hydraulic prop stay flexural deformation detection and warning device |
| CN104790987B (en) * | 2015-04-19 | 2017-11-21 | 谈文华 | Setting load, superpressure LED warning high-flow safety valves |
| CN107642520A (en) * | 2017-10-20 | 2018-01-30 | 新乡市华航航空液压设备有限公司 | A kind of synchronous alarm bypass group indicater structure |
| CN109882115B (en) * | 2019-04-08 | 2023-11-21 | 贵州盘江精煤股份有限公司 | Constant-pressure grouting device |
| CN109899026B (en) * | 2019-04-08 | 2024-01-23 | 贵州盘江精煤股份有限公司 | Constant-pressure grouting connecting device for gas drilling |
| CN109899027B (en) * | 2019-04-08 | 2024-01-23 | 贵州盘江精煤股份有限公司 | Constant-pressure grouting control device for gas drilling |
| CN111396130B (en) * | 2020-03-18 | 2022-05-17 | 黑龙江工业学院 | Integrated intelligent mine pressure detection alarm indicator |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB538277A (en) * | 1940-01-18 | 1941-07-28 | William Herbert Smith | Improvements relating to mine roof or like supports |
| GB844137A (en) * | 1957-11-15 | 1960-08-10 | Nicolas Joseph Rutigliano | Improvements relating to telescopic props or supports |
| GB1031719A (en) * | 1962-03-24 | 1966-06-02 | Dobson Ltd W E & F | Improvements in or relating to hydraulic pressure gauges for hydraulic roof supports and supports incorporating same |
| AU754216B2 (en) * | 1998-04-30 | 2002-11-07 | Government Of The United States Of America, As Represented By The Secretary Of The Department Of Health And Human Services, The | Method and apparatus for load rate monitoring |
| CN2484406Y (en) * | 2001-05-31 | 2002-04-03 | 汪学良 | Leakage alarm of single-body hydraulic support-column |
| CN201187312Y (en) * | 2008-01-10 | 2009-01-28 | 刘兆军 | Mining single hydraulic prop pressure alarm |
| CN202266278U (en) * | 2011-07-04 | 2012-06-06 | 山东新煤机械有限公司 | Integrated-type intelligent mine pressure detection alarming indicator |
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2011
- 2011-07-04 CN CN 201110184877 patent/CN102444412B/en not_active Expired - Fee Related
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| CN102444412A (en) | 2012-05-09 |
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Legal Events
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C53 | Correction of patent for invention or patent application | ||
| CB02 | Change of applicant information |
Address after: Sun Village in Shandong province Xinwen road 271219 Tai'an City, Xintai City Applicant after: Shandong Xinmei Machinery Equipment Co., Ltd. Address before: Sun Village in Shandong province Xinwen road 271219 Tai'an City, Xintai City Applicant before: Shandong Xinmei Machinery Equipment Co., Ltd. |
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| COR | Change of bibliographic data |
Free format text: CORRECT: APPLICANT; FROM: SHANDONG NEW COAL-MACHINERY CO., LTD. TO: SHANDONG XINMEI MACHINERY EQUIPMENT CO., LTD. |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130821 Termination date: 20160704 |
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| CF01 | Termination of patent right due to non-payment of annual fee |