CN207095700U - A kind of temperature compensating type coal and rock Deep Hole Blasting Vibration monitor - Google Patents
A kind of temperature compensating type coal and rock Deep Hole Blasting Vibration monitor Download PDFInfo
- Publication number
- CN207095700U CN207095700U CN201720714521.2U CN201720714521U CN207095700U CN 207095700 U CN207095700 U CN 207095700U CN 201720714521 U CN201720714521 U CN 201720714521U CN 207095700 U CN207095700 U CN 207095700U
- Authority
- CN
- China
- Prior art keywords
- chamber
- deep hole
- straingauge
- hole blasting
- type coal
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Landscapes
- Testing Or Calibration Of Command Recording Devices (AREA)
Abstract
A kind of temperature compensating type coal and rock Deep Hole Blasting Vibration monitor, belongs to vibration signal monitoring technical field.It is characterized in that：Including being built-in with inner chamber and shell closed at both ends（1）, survey shake chamber is provided with the lumen（5）, shake chamber surveying（5）It is middle along shell（1）Axially uniformly it is fixed with multigroup straingauge（6）, in straingauge（6）Middle part be provided with seismic mass（7）, straingauge（6）With seismic mass（7）It is brought into close contact, cable（9）From shell（1）Bottom enter survey shake chamber（5）In, cable（9）Respectively with straingauge（6）Form loop.Pass through this coal and rock deep hole blasting internal enclosed vibration monitoring instrument, the inside of blast hole can be packaged in, vibrations are monitored by seismic mass and straingauge in the inside of rock mass when carrying out deep hole blasting, and drawn by cable, avoid when being tested outside blast hole vibrations and larger distortion be present, make measurement more accurate.
Description
Technical field
A kind of temperature compensating type coal and rock Deep Hole Blasting Vibration monitor, belongs to vibration signal monitoring technical field.
Background technology
According to national standard《Shotfiring safety code》GB6722-2014 relevant regulations, it is big that deep hole blasting is primarily referred to as blasthole diameter
In 50mm, and depth is more than 5m bursting work, and coal and rock deep hole blasting is in underground engineering, colliery, metal and nonmetallic ore
Mountain is due to wide application.Coal and rock deep hole blasting can improve blasting efficiency, administer coal and gas prominent, bump,
The dynamic disasters such as rock burst, and it is also used as a kind of new shield lane means of gob side entry.
At present, the research for Deep Hole Blasting Vibration waveform signal is limited only to conventional waveform capture means, as ground shakes
Routine monitoring instrument, coal petrography microseismic signals monitor etc. used in dynamic monitoring, and deep hole blasting is because its length of shot is big, in coal
Rock mass external monitoring to vibration signal be respectively provided with larger distortion, so as to can not be study accurate Monitoring Data be provided, cause
Coal and rock deep hole blasting initial data source it is limited, so as to provide accurately basic provide for deep hole blasting parameter designing
Material.
The content of the invention
The technical problems to be solved in the utility model is：Overcome the deficiencies in the prior art, there is provided a kind of with temperature-compensating
And the inside of blast hole can be encapsulated in, when carrying out deep hole blasting in the inside of rock mass by seismic mass and straingauge to shake
It is dynamic to be monitored, and drawn by cable, avoid when being tested in the prior art outside blast hole vibrations exist compared with
Big distortion, make the more accurate temperature compensating type coal and rock Deep Hole Blasting Vibration monitor of measurement.
Technical scheme is used by the utility model solves its technical problem：The temperature compensating type coal and rock deep hole blasting
Vibration monitoring instrument, it is characterised in that：Including being built-in with inner chamber and shell closed at both ends, inner chamber is shaken by limiting stand at intervals of survey
Chamber and thermometric chamber, multigroup straingauge is uniformly axially fixed with along shell in shake chamber is surveyed, is set in the middle part of straingauge
Be equipped with seismic mass, straingauge is brought into close contact with seismic mass, and cable enters from the bottom of shell to be surveyed in shake chamber, cable respectively with
Straingauge forms loop.
Described limiting stand is middle and lower part discoid and positioned at inner chamber, and limiting stand is wholely set with shell, on limiting stand
The cavity of portion and bottom is respectively described survey shake chamber and thermometric chamber, and connection is offered in the middle part of limiting stand and surveys shake chamber and thermometric
The through hole of chamber.
Retainer ring and lower retainer ring are respectively fixed with the described top surface of survey shake chamber and the upper surface of limiting stand, should
The top and bottom for becoming resistor disc are fixed with upper retainer ring and lower retainer ring respectively.
Open up to form fixing groove upwards in described survey shake chamber end face center position, fixed on the top of described seismic mass
There is the top for being fixed on fixing groove by the upper end of shake spring leaf by shake spring leaf.
Seismic mass is between described upper retainer ring and lower retainer ring.
Form boss in seismic mass lower surface, boss is placed through entering after the through hole in the middle part of described limiting stand described
Thermometric chamber.
Be provided with temperature sensor in described thermometric chamber, cable be connected with temperature sensor after from the bottom surface of shell
Draw.
Described straingauge is at least provided with three.
Compared with prior art, beneficial effect possessed by the utility model is：
The temperature compensating type coal and rock Deep Hole Blasting Vibration monitor of the application is packaged in the inside of blast hole in measurement,
Vibrations are monitored by seismic mass and straingauge in the inside of rock mass when carrying out deep hole blasting, and drawn by cable
Go out, avoid when being tested in the prior art outside blast hole vibrations and larger distortion be present, make measurement more accurate.
By setting through hole at the middle part of limiting stand, it is possible to achieve the connection surveyed between shake chamber and thermometric chamber, help to survey
Temperature in shake chamber is delivered in thermometric chamber.
The bottom of seismic mass forms boss and through the through hole in the middle part of limiting stand, and limiting stand rises to seismic mass when in vibrations
To position-limiting action, seismic mass is avoided to swing excessive.
With temperature change, strain resistor bar, seismic mass and, by shake spring leaf can produce one with the change of temperature
Fixed change, therefore, the temperature in inner chamber is drawn and is further analyzed by temperature sensor, so as to accurately remember
The change of temperature in shake hole is surveyed in record, it is achieved thereby that temperature-compensating, improves the accuracy of monitoring.
Brief description of the drawings
Fig. 1 is temperature compensating type coal and rock Deep Hole Blasting Vibration monitor structural representation.
Fig. 2 is temperature compensating type coal and rock Deep Hole Blasting Vibration monitor working state schematic representation.
Wherein：1st, shell 2, fixing groove 3, by shake spring leaf 4, upper retainer ring 5, survey shake chamber 6, strain resistor
Piece 7, seismic mass 8, lower retainer ring 9, cable 10, limiting stand 11, temperature sensor 12, thermometric chamber 13, rock
Body 14, survey shake hole closure material 15, cable protecting tube 16, survey shake hole 17, explosive 18, blast hole 19, blast hole envelope
Putty.
Embodiment
Fig. 1 ~ 2 are most preferred embodiments of the present utility model, and 1 ~ 2 pair of the utility model is done furtherly below in conjunction with the accompanying drawings
It is bright.
As shown in figure 1, a kind of temperature compensating type coal and rock Deep Hole Blasting Vibration monitor, includes cylindrical shell 1, outside
Shell 2 is closed at both ends and inner hollow, be provided with the middle and lower part of this coal and rock deep hole blasting internal enclosed vibration monitoring instrument inner chamber with
The limiting stand 10 of the one of shell 1, the inner chamber of shell 1 is divided into by the survey shake chamber 5 of top and the thermometric chamber of bottom by limiting stand 10
12, the center of limiting stand 10 forms through hole and connects survey shake chamber 5 with thermometric chamber 12.
The fixing groove 2 to be formed positioned at surveying above shake chamber 5 is opened up upwards in the end face center position for surveying shake chamber 5, shakes chamber 5 surveying
Top surface and the upper surface of limiting stand be respectively fixed with the position of retainer ring 4 and lower retainer ring 8, upper retainer ring 4 and lower retainer ring 8
Put upper and lower corresponding.Upper retainer ring 4 is located at the outer ring of fixing groove 2, and lower retainer ring 8 is located at the outer ring of the middle through-hole of limiting stand 10.
It is provided with seismic mass 7 between upper retainer ring 4 and lower retainer ring 8, the lower surface of seismic mass 7 forms boss, and boss shake chamber 5 of testing oneself is worn
Limiting stand 10 is crossed afterwards to enter in thermometric chamber 12.It is fixed with the top of seismic mass 7 by shake spring leaf 3, by the upper of shake spring leaf 3
End is fixed on the top of fixing groove 2, by the way that seismic mass 7 is lifted between upper retainer ring 4 and lower retainer ring 8 by shake spring leaf 3.
A plurality of straingauge 6 is evenly equipped with the outlet of seismic mass 7, straingauge 6 is axially arranged along shell 1.
Straingauge 6 and seismic mass 7 be brought into close contact and the top and bottom of straingauge 6 respectively with upper retainer ring 4 and lower fixation
Ring 8 is fixed.From the bottom lead-in cable 9 of shell 1, cable 9 sequentially passes through thermometric chamber 12 and spacing after entering from the bottom surface of shell 1
It is connected respectively with one end of each straingauge 6 after platform 10 and distinguishes shape after being drawn from the other end of straingauge 6
Into corresponding loop, realize and draw the resistance of each straingauge 6.Temperature sensor is provided with thermometric chamber 12
11, temperature sensor 11 is connected with cable 9 simultaneously, is drawn the temperature signal in inner chamber by cable 9.Straingauge 6 to
Three are set less.
Specific work process and operation principle are as follows：
As shown in Fig. 2 construction forms survey shake hole 16 first in rock mass 13, survey shake hole 16 and be located near blast hole 18,
Blocked after explosive 17 is set in the inside of blast hole 18 using blast hole closure material 19, then by the deep hole blasting of this coal and rock
Internal enclosed vibration monitoring instrument is placed in the end that hole 16 is shaken in survey, then sets cable protecting tube 15 in shake hole 16 is surveyed, and cable is certainly electric
The inside of cable pillar 15, which draws to survey, shakes hole 16, and is blocked survey shake hole 16 using shake hole closure material 14 is surveyed.
After explosive 17 explodes in blast hole 18, shock wave reaches the monitoring of this temperature compensating type coal and rock Deep Hole Blasting Vibration
The position of instrument, cause the swing of seismic mass 7, seismic mass 7 causes when swinging to be deformed upon to straingauge 6, straingauge 6
Resistance changes after deforming upon, and is drawn the real time resistance value of each straingauge 6 by cable 8, and deliver to
Positioned at surveying in the instrument outside shake hole 16, the resistance of straingauge 6 is analyzed by the analysis means of routine, so as to enter
One step realizes the analysis to vibrations.
With temperature change, strain resistor bar 6, seismic mass 7, by shake spring leaf 3 with the change of temperature one can be produced
Fixed change, therefore, the temperature in inner chamber is drawn and is further analyzed by temperature sensor 11, so as to accurate
Record surveys the change of temperature in shake hole 16, it is achieved thereby that temperature-compensating, improves the accuracy of monitoring.
It is described above, only it is preferred embodiment of the present utility model, is not that other forms are made to the utility model
Limitation, any person skilled in the art is changed or is modified as possibly also with the technology contents of the disclosure above equivalent
The equivalent embodiment of change.But it is every without departing from the content of the technical scheme of the utility model, it is real according to technology of the present utility model
Any simple modification, equivalent variations and the remodeling that confrontation above example is made, still fall within the guarantor of technical solutions of the utility model
Protect scope.
Claims (8)
- A kind of 1. temperature compensating type coal and rock Deep Hole Blasting Vibration monitor, it is characterised in that：Including being built-in with inner chamber and both ends The shell of closing（1）, inner chamber passes through limiting stand（10）Chamber is shaken at intervals of surveying（5）With thermometric chamber（12）, shake chamber surveying（5）It is middle along outer Shell（1）Axially uniformly it is fixed with multigroup straingauge（6）, in straingauge（6）Middle part be provided with seismic mass（7）, should Become resistor disc（6）With seismic mass（7）It is brought into close contact, cable（9）From shell（1）Bottom enter survey shake chamber（5）In, cable（9） Respectively with straingauge（6）Form loop.
- 2. temperature compensating type coal and rock Deep Hole Blasting Vibration monitor according to claim 1, it is characterised in that：Described Limiting stand（10）For middle and lower part discoid and positioned at inner chamber, limiting stand（10）With shell（1）It is wholely set, limiting stand（10）On The cavity of portion and bottom is respectively described survey shake chamber（5）With thermometric chamber（12）, in limiting stand（10）Middle part offer connection Survey shake chamber（5）With thermometric chamber（12）Through hole.
- 3. temperature compensating type coal and rock Deep Hole Blasting Vibration monitor according to claim 2, it is characterised in that：Described Survey shake chamber（5）Top surface and limiting stand（10）Upper surface on be respectively fixed with retainer ring（4）With lower retainer ring（8）, should Become resistor disc（6）Top and bottom respectively with upper retainer ring（4）With lower retainer ring（8）It is fixed.
- 4. temperature compensating type coal and rock Deep Hole Blasting Vibration monitor according to claim 1, it is characterised in that：Described Survey shake chamber（5）End face center position opens up to form fixing groove upwards（2）, in described seismic mass（7）Top be fixed with by Shake spring leaf（3）, by shake spring leaf（3）Upper end be fixed on fixing groove（2）Top.
- 5. temperature compensating type coal and rock Deep Hole Blasting Vibration monitor according to claim 3, it is characterised in that：Seismic mass （7）Positioned at described upper retainer ring（4）With lower retainer ring（8）Between.
- 6. temperature compensating type coal and rock Deep Hole Blasting Vibration monitor according to claim 2, it is characterised in that：Shaking Block（7）Lower surface forms boss, and boss is placed through described limiting stand（10）Enter described thermometric chamber after the through hole at middle part （12）.
- 7. temperature compensating type coal and rock Deep Hole Blasting Vibration monitor according to claim 2, it is characterised in that：Described Thermometric chamber（12）In be provided with temperature sensor（11）, cable（9）With temperature sensor（11）From shell after connection（1）'s Draw bottom surface.
- 8. temperature compensating type coal and rock Deep Hole Blasting Vibration monitor according to claim 1, it is characterised in that：Described Straingauge（6）At least provided with three.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720714521.2U CN207095700U (en) | 2017-06-20 | 2017-06-20 | A kind of temperature compensating type coal and rock Deep Hole Blasting Vibration monitor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720714521.2U CN207095700U (en) | 2017-06-20 | 2017-06-20 | A kind of temperature compensating type coal and rock Deep Hole Blasting Vibration monitor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207095700U true CN207095700U (en) | 2018-03-13 |
Family
ID=61553039
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720714521.2U Expired - Fee Related CN207095700U (en) | 2017-06-20 | 2017-06-20 | A kind of temperature compensating type coal and rock Deep Hole Blasting Vibration monitor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207095700U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113393633A (en) * | 2021-07-09 | 2021-09-14 | 西安忠舍天域新能源安全技术有限公司 | Deflagration fire detection method and novel deflagration fire detector |
-
2017
- 2017-06-20 CN CN201720714521.2U patent/CN207095700U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113393633A (en) * | 2021-07-09 | 2021-09-14 | 西安忠舍天域新能源安全技术有限公司 | Deflagration fire detection method and novel deflagration fire detector |
| CN113393633B (en) * | 2021-07-09 | 2023-09-26 | 西安忠舍天域新能源安全技术有限公司 | Deflagration fire detection method and novel deflagration fire detector |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103616491B (en) | A kind of gas and coal dust mixed explosion simulation test device | |
| CN109113742B (en) | Coal reservoir stratum present ground stress prediction method | |
| Cardu et al. | Analysis of predictor equations for determining the blast-induced vibration in rock blasting | |
| CN207095700U (en) | A kind of temperature compensating type coal and rock Deep Hole Blasting Vibration monitor | |
| CN106018558B (en) | A kind of coal sample transverse wave speed detection device and method based on multi- scenarios method | |
| AU2015101608A4 (en) | Rock acoustic wave detection transducer | |
| CN107238538A (en) | The strain type rock burst field test method of weak blast induction | |
| CN205861714U (en) | A kind of detonation velocity meter and explosion velocity measure system | |
| CN108732047A (en) | The measuring device and its measurement method of stress wave are fried in a kind of concrete target implosion | |
| CN207132971U (en) | A kind of High-precision Deep Hole explosion internal enclosed vibration monitoring instrument | |
| CN103557755B (en) | Deep-lying tunnel rockburst control effect evaluation method | |
| CN105223274A (en) | Utilize in hole the method for the detecting rock equivalent elastic modulus that drops hammer | |
| CN205080268U (en) | Use and move seismic wave test system of spy as seismic source | |
| CN104236404A (en) | Method for onsite and rapid measurement of delay accuracy of millisecond detonator based on explosion vibration test | |
| CN206930535U (en) | A kind of Oil/gas Well blast perforation tubular column dynamics experimental device | |
| US2558924A (en) | Seismographic prospecting apparatus for directing explosive energy | |
| CN107976250A (en) | It is a kind of to be directed to the existing micro-vibration blast monitoring method for closing on railway | |
| CN106092311A (en) | A kind of blasting circuit quality evaluating method based on actual measurement dither blasting vibration signal | |
| CN105973456A (en) | Field measurement method of matching relationship between deep hole blasting explosives and rocks | |
| CN108225431A (en) | For the multi-parameter sensor and method of mining Subsidence Area, slip mass to be observed continuously | |
| US3318144A (en) | Supersonic test facility | |
| CN110568478B (en) | Metal mine underground micro-seismic detection system | |
| US1943725A (en) | Method of creating artificial seismic waves | |
| CN213876050U (en) | Detachable microseism sensing device | |
| CN219826810U (en) | Simple perforation length measuring device for deep hole sectional blasting well formation |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| 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: 20180313 Termination date: 20180620 |