CN202266278U - Integrated-type intelligent mine pressure detection alarming indicator - Google Patents
Integrated-type intelligent mine pressure detection alarming indicator Download PDFInfo
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- CN202266278U CN202266278U CN2011202321297U CN201120232129U CN202266278U CN 202266278 U CN202266278 U CN 202266278U CN 2011202321297 U CN2011202321297 U CN 2011202321297U CN 201120232129 U CN201120232129 U CN 201120232129U CN 202266278 U CN202266278 U CN 202266278U
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Abstract
The utility model discloses an integrated-type intelligent mine pressure detection alarming indicator, which is characterized by comprising a shell, wherein a pressure detection alarming device is arranged inside the shell, and the pressure detection alarming device comprises an alarming loop; and the alarming loop comprises a power supply, an alarming device and a pressure switch for detecting pressure inside a hydraulic supporting device and for controlling the status of the loop. Compared with the prior art, the integrated-type intelligent mine pressure detection alarming indicator has advantages of high intelligentization degree, complete functions, convenience in detection, direct-viewing performance, reliability, low cost and low loss.
Description
Technical field
The utility model relates to a kind of underground hydraulic pressure support apparatus and uses independently integrated form intelligence ore deposit pressure detection alarm indicator.
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 the down-hole geologic structure is complicated, 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 being taked is: frequently to hydraulic test (example: hydraulic prop; Cantilever support etc.) support force carries out tours of inspection; Through very backward means such as rocking or beat the working resistance of pillar is checked one by one, not only can not be found timely and effectively and deal with problems, also waste great amount of time and energy simultaneously; Whether normal, therefore can't get rid of potential potential safety hazard at all if can't understand hydraulic prop equipment current working state timely at all.
Summary of the invention
The purpose of the utility model 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 the manual operation inspection, measure: in a single day working resistance is lower than the operating pressure of setting; Can send tangible color light at once and report 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, so that avoid the generation of accident.
For achieving the above object the following technological means of the employing of the utility model:
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 measxurement 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.
Above-mentioned alarm, described detection alarm loop is provided with two covers: parallel low pressure alarming loop and the alarm for high voltage loop that connects.
Above-mentioned alarm, described alarm also include injection break-make, hydraulic medium of the whole loop of the control of connecting with alarm circuit can directly make power switch get into the hydraulic selector of duty.
Above-mentioned alarm, described pressure switch comprises compression spring, an end apical grafting plunger of compression spring, the logical switch of other end top contact; Said 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; Be fixed with magnet on the said plunger, touching logical switch is tongue tube or hydraulic selector.
Above-mentioned alarm, said pressure switch comprise that adjusting bolt, described tongue tube are arranged at adjusting bolt inside, the adjusting bolt thread is fixed in the alert body.
Above-mentioned alarm, said alarm are LED light; Said detection alarm loop also includes the electrical verification switch, and a said switch of testing is connected with battery and alarm, and is parallelly connected with the tongue tube of pressure switch.
Above-mentioned alarm, said low pressure alarming loop to touch logical switch be normally closed switch; Said alarm for high voltage loop to touch logical switch be normal open switch.
The operating principle and the beneficial effect of the utility model show:
The utility model is mainly detected by the pressure measxurement warning device in housing and the housing to be formed; The front end of housing is the pressure test end; It is specifically tested by cylinder: the cylinder front end communicates with working solution, and working solution forms certain pressure to hydraulic prop equipment, and 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 report 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, is installed in hydraulic prop equipment tube wall or column cap one side; Front end (pressure detecting end) connects with liquid medium each other, and rear end (warning indication end) is exposed to shell (column cap or the post nonclient area of living) outer wall, high and low pressure alarm pressure detection switch; At any time monitor the pressure of medium in the cylinder body; When working medium pressure was lower than setting pressure or be higher than the maximum load force value, high and low pressure switch was connected circuit respectively, and 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; Processing such as processing such as the alarm of this moment is initiatively reminded the staff, and this hydraulic prop equipment working resistance deficiency or working resistance are excessive, the in time additional fluid injection of needs 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 accurately and timely eliminates accident potential.
This shows; The utility model 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; Be integrally formed 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 utility model need not manual operation; Dispense with outer connecting power, being installed on the hydraulic test promptly 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, automatic energized when using, 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 because of the support apparatus working resistance cross low or too high cause cave in, fall post or accident potential such as the disconnected post of overload, landslide, the supporting accident is played very important safe early warning effect.
To sum up, beneficial effect of the utility model 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 continuous artificial tours of inspection working resistance; And the mining support apparatus overvoltage/undervoltage of the intelligent integrated form alarm of the utility model 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), promptly 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, adopt the luminous type of alarm of LED (light emitting diode) obvious, be observed discovery easily, and easy power consumptive province, brightness is high.
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 the utility model structural representation;
Fig. 2 is the scheme of installation of the utility model;
Fig. 3 is the electrical schematic diagram of the utility model;
Fig. 4 sets sketch map 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.
As shown in Figure 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 measxurement 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 detection alarm loop is provided with two covers: low pressure alarming loop and alarm for high voltage loop, and the circuit diagram in loop is as shown in Figure 3, and wherein E is a power supply; R is a resistance, and KN-1 and KN-2 are respectively the electrical verification switch, and K1 is the bulk loop switch; K2, K3 are pressure switch, and L1, L2 are 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; K1 is closed, and warning circuit gets into duty, and this K1 can adopt the unlatching form like 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; Said 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; Said 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.
Said 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 through sealing ring 3 and shutoff 4 sealings, and shutoff 4 is passed through sealing ring 5 sealings with alert body 1 inwall.
Said 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; Through sealing ring 13 this alarm screw thread is installed in the post alive or column cap tube wall one side of hydraulic test according to Fig. 2, the adjustment of position can regulate bolt 8 through to(for) the different hydraulic prop of operating pressure with compression spring 7 pressure values realization satisfy the accurate requirement of the hydraulic prop high-low pressure of different 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.As shown in Figure 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; Working resistance P2, P3 value are set adjustment before will dispatching from the factory according to the specific requirement of supporting hydraulic prop equipment.
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; This moment consumes power not, when work under operate as normal resistance environment, owing to can't confirm alarm whether normally (whether electric weight deficiency etc.); Can be through electrical verification button KN test, after pressing the KN press button, indicator lamp L1, L2 are luminous; Explain 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 * 50
2)=11.46MPa is during hydraulic prop work, when the pressure P of measured medium is less than or equal to 11.46; K switch 1 closure; K2 is closed, and this moment, LED2 light emitting diode L2 connected, and undervoltage warning is lighted and glimmered; The pressure medium P that shows hydraulic prop low (working resistance is not enough) should improve pressure and need replenish fluid injection or adjustment 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 got into normal operation region; K switch 2 is broken off, and at this moment, luminous L1 diode extinguishes; The medium working resistance P that shows 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 got into the alarm for high voltage zone; K switch 3 is connected, and 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.
It is thus clear that; The high and low pressure alarm pressure detection switch of the utility model; At any time monitor the pressure of medium in the cylinder body; When working medium pressure was lower than setting pressure or be higher than the maximum load force value, high and low pressure switch was 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 (10)
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 measxurement 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.
2. warning indicator according to claim 1 is characterized in that, described detection alarm loop is provided with two covers: parallel low pressure alarming loop and the alarm for high voltage loop that connects.
3. warning indicator according to claim 1 and 2 is characterized in that: 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 get into the hydraulic selector of duty.
4. warning indicator according to claim 1 and 2 is characterized in that described pressure switch comprises compression spring, an end apical grafting plunger of compression spring, the logical switch of other end top contact; Said 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.
5. warning indicator according to claim 4 is characterized in that, is fixed with magnet on the said plunger, and touching logical switch is tongue tube or hydraulic selector.
6. warning indicator according to claim 3 is characterized in that, said 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.
7. warning indicator according to claim 1 and 2 is characterized in that, said alarm is a LED light.
8. warning indicator according to claim 1 is characterized in that, said detection alarm loop also includes the electrical verification switch, and a said switch of testing is connected with battery and alarm, and is parallelly connected with the tongue tube of pressure switch.
9. warning indicator according to claim 4 is characterized in that, said low pressure alarming loop to touch logical switch be normally closed switch.
10. warning indicator according to claim 4 is characterized in that, said alarm for high voltage loop to touch logical switch be normal open switch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202321297U CN202266278U (en) | 2011-07-04 | 2011-07-04 | Integrated-type intelligent mine pressure detection alarming indicator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202321297U CN202266278U (en) | 2011-07-04 | 2011-07-04 | Integrated-type intelligent mine pressure detection alarming indicator |
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| Publication Number | Publication Date |
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| CN202266278U true CN202266278U (en) | 2012-06-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011202321297U Expired - Fee Related CN202266278U (en) | 2011-07-04 | 2011-07-04 | Integrated-type intelligent mine pressure detection alarming indicator |
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| Country | Link |
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| CN (1) | CN202266278U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102444412A (en) * | 2011-07-04 | 2012-05-09 | 山东新煤机械有限公司 | Integrated intelligent mine pressure detection warning indicator |
| 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 |
-
2011
- 2011-07-04 CN CN2011202321297U patent/CN202266278U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102444412A (en) * | 2011-07-04 | 2012-05-09 | 山东新煤机械有限公司 | Integrated intelligent mine pressure detection warning indicator |
| 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 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: SHANDONG XINMEI MACHINERY EQUIPMENT CO., LTD. Free format text: FORMER NAME: SHANDONG NEW COAL-MACHINERY CO., LTD. |
|
| CP03 | Change of name, title or address |
Address after: 271219 Shandong city of Xintai province Xinwen office Sun Village West Patentee after: Shandong Xinmei Machinery Equipment Co., Ltd. Address before: Sun Village in Shandong province Xinwen road 271219 Tai'an City, Xintai City Patentee before: Shandong Xinmei Machinery Equipment Co., Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120606 Termination date: 20140704 |
|
| EXPY | Termination of patent right or utility model |