CN207300949U - A kind of controllable borehole temperature experimental bench of multivariable - Google Patents
A kind of controllable borehole temperature experimental bench of multivariable Download PDFInfo
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- CN207300949U CN207300949U CN201721646918.9U CN201721646918U CN207300949U CN 207300949 U CN207300949 U CN 207300949U CN 201721646918 U CN201721646918 U CN 201721646918U CN 207300949 U CN207300949 U CN 207300949U
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- electric drill
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- 238000005553 drilling Methods 0.000 claims abstract description 20
- 229910001220 stainless steel Inorganic materials 0.000 claims abstract description 19
- 239000010935 stainless steel Substances 0.000 claims abstract description 18
- 238000005259 measurement Methods 0.000 claims description 4
- 230000005611 electricity Effects 0.000 claims description 2
- 239000010720 hydraulic oil Substances 0.000 claims description 2
- 239000007788 liquid Substances 0.000 claims description 2
- 239000003921 oil Substances 0.000 claims description 2
- 238000013519 translation Methods 0.000 claims description 2
- 239000003245 coal Substances 0.000 abstract description 22
- 238000004458 analytical method Methods 0.000 abstract description 5
- 238000011017 operating method Methods 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 8
- 238000002474 experimental method Methods 0.000 description 7
- 230000035515 penetration Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 241001074085 Scophthalmus aquosus Species 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
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Abstract
A kind of controllable borehole temperature experimental bench of multivariable is the utility model is related to, including：Experimental bench, loading device and drilling equipment；The loading device includes：Stainless steel strut, upper strata backing plate, middle level backing plate, bottom backing plate and jack；The upper strata backing plate and bottom backing plate fasten the both ends for being arranged on the stainless steel strut respectively, the jack is fastenedly connected on the bottom backing plate, the lifting free end of the middle level backing plate and the jack is fastenedly connected, and has the freedom of motion slided along the stainless steel strut lengths direction.The utility model is simple in structure, rationally distributed, and operating method is easy to grasp；By the arrangement of multiple variables into an experimental bench, multiple variables can be controlled at the same time, influence of the analysis integrated factor to borehole temperature, forecast can be predicted for coal mine dynamic disaster certain theory and experimental basis are provided.
Description
Technical field
Coal sample exploration experimental field is the utility model is related to, is used in particular to a kind of for laboratory, for drilling
Temperature method predicts the controllable borehole temperature experimental bench of multivariable of coal and gas prominent basic research.
Background technology
Borehole temperature method is a kind of experimental method of more mature prediction coal and gas prominent, can be drilled by measurement
Bottom hole temperature comes forecasting coal and gas outburst risk in journey.But since subsurface environment is complicated, ring suffered by the coal body of different zones
Border influence factor is different from, and is likely to result in large error when application borehole temperature method carries out coal and gas prominent, is caused
Prediction result is inaccurate, it is therefore necessary to is combined by theory analysis and experimental study, draws borehole temperature and multiple variables
Between correlation.Result of study can be predicted forecast for coal mine dynamic disaster and provide certain theory and experimental basis.
Traditional drilling experimental provision can only control single variable mostly, it is impossible to take into full account the relation between variable.And
In real process, it is sometimes desirable to consider influence of the Multiple factors to borehole temperature, while multiple variables are controlled.And show
If some experimental benches control at the same time, when experiment, needs the substantial amounts of experimental facilities of tissue and operating personnel, stable operation
Property difference and error it is larger.Therefore, a kind of controllable borehole temperature experimental bench of multivariable that can be solved the above problems well is designed
Extremely it is necessary.The utility model can control many variables at the same time when carrying out drilling experiment, from multiple angles point
Analyse influence of the Parameters variation to borehole temperature.
Utility model content
In view of the above-mentioned problems, the purpose of the utility model is to overcome above-mentioned deficiency present on the prior art, and provide
A kind of multivariable for being suitable for borehole temperature method prediction coal and gas prominent reasonable, easy to operate, that stability is good of arranging is controllable
Borehole temperature experimental bench, the experimental bench can carry out observing and controlling to rate of penetration, drill speed, drill bit thrust, sample load.
The utility model aim is achieved through the following technical solutions：
A kind of controllable borehole temperature experimental bench of multivariable for realizing borehole temperature method prediction coal and gas prominent, including：It is real
Test platform, loading device, drilling equipment；
The loading device includes：Stainless steel strut, upper strata backing plate, middle level backing plate, bottom backing plate and jack；On described
Layer backing plate and bottom backing plate fasten the both ends for being arranged on the stainless steel strut respectively, and the jack is fastenedly connected at the bottom
On layer backing plate, the lifting free end of the middle level backing plate and the jack is fastenedly connected, and is had along the stainless steel strut and grown
Spend the freedom of motion that direction is slided；
The table top center of the experimental bench is equipped with the hollow slots being adapted with the loading device cross sectional dimensions；It is described to add
Carry to put and be fastenedly connected after the hollow slots with the table top；The middle level backing plate relative to the table top lifting position
It is middle that there are a position and the horizontal plane position flush of the table top；
The drilling equipment fastening is arranged on the table top, and the structure of the drilling equipment includes：Cross guide rail, electric drill
Pallet, electric drill and rotational speed meters；The cross guide rail fastening is arranged on the table top, and scale is provided with the cross guide rail；
The electric drill pallet is fixed at the movement for having on the cross guide rail and being translatable on the cross guide rail along guide rail direction
The free degree；The electric drill pallet make-up is fixed to be equipped with the electric drill；Fixed setting is useful for described in measurement on the cross guide rail
The rotational speed meters of electric drill rotating speed；Feeding thrust-measuring device is provided with the electric drill.
Preferably, the feeding thrust-measuring device is thrust flowmeter sensor.
Preferably, the thrust flowmeter sensor is arranged on the handle of the electric drill.
Preferably, the setting quantity of the stainless steel strut is four, and length is formed after the stainless steel strut fixed setting
Four inclines of cube shape.
Preferably, the height that the different cross sectional shape of multiple thickness is adapted with the middle level backing plate shape is further included to adjust
Gasket.
Preferably, reflector plate is provided with the drill bit of the electric drill, the rotational speed meters pass through described in reflector plate identification
The rotating speed of electric drill.
Preferably, the jack is provided with electronic pressure gauge, what the free end for measuring the jack was born
Extruding force.
Preferably, the jack is provided with pressure gauge, for measuring the oil liquid pressure of hydraulic oil in jack.
Preferably, the experimental bench is assembly type experimental bench, flexible for installation.
Compared with prior art, the controllable borehole temperature experimental bench of multivariable described in the utility model when in use, leads to
Cross feeding thrust-measuring device and can control the thrust being applied on electric drill, and then apply the skill of constant force feeding or variable force feeding
Art effect, can meet that constant force drilling experiment and the variable on thrust are tested at the same time.By scale subsidiary on cross guide rail,
Experimenter can hold rate of penetration during propulsion electric drill is carried out and in this, as variable.It can be observed and changed by rotational speed meters
Influence of the variable speed to borehole temperature, it is clear easy to record.Loading device is installed on the hollow part in experimental bench center.Add
Carry the setting put to be used to adjust coal sample pressure, monitor contacting for stress suffered by coal body and borehole temperature.The utility model
Simple in structure, rationally distributed, operating method is easy to grasp；, can be at the same time to more by the arrangement of multiple variables into an experimental bench
A variable is controlled, influence of the analysis integrated factor to borehole temperature, and forecast can be predicted for coal mine dynamic disaster and is provided
Certain theory and experimental basis.
Preferably, the loading device is installed on laboratory bench top center hollow out position, easy to be carried out at the same time other behaviour
Make, it is rationally distributed.
Preferably, being equipped with three layers of backing plate in the loading device, upper strata backing plate is fixed on four support columns, middle level pad
Plate can adjust height according to the pressure change of jack, and then pressurize to coal sample.
Preferably, with the gasket that size is different on the moveable backing plate of lower floor in the loading device, for adjusting
The height of sample is saved, is allowed to the center in drill bit.
Preferably, cross guide rail is fixed with the experimental bench, and it is adjustable all around, electric drill face coal can be made
Sample, moves forward steadily.
Preferably, having scale on the guide rail, the process mobile available for observation, carries out the change on rate of penetration
Amount experiment.
Preferably, being fixed with electric drill on the upper rall of the cross guide rail, rotational speed meters pass through stent and fixed electric drill
Upper strata guide rail platform be connected, it is and corresponding with the reflector plate on drill bit, can be measured at this time while drill bit promotes
Electric drill rotating speed, carry out variable experiment.
Preferably, described electric drill handle one end for pushing away sensor and being installed in the upper platform of fixed electric drill, can promote
Electric drill is controlled thrust when advancing.
Brief description of the drawings
Fig. 1 is the structure diagram for the controllable borehole temperature experimental bench of multivariable that the utility model embodiment proposes；
Fig. 2 is the structural representation for the controllable borehole temperature experimental bench drilling equipment of multivariable that the utility model embodiment proposes
Figure；
Fig. 3 is the structural representation for the controllable borehole temperature experimental bench loading device of multivariable that the utility model embodiment proposes
Figure；
Embodiment
The utility model embodiment is described in further detail below in conjunction with the accompanying drawings.
The controllable borehole temperature experimental bench of multivariable of the utility model, its preferable embodiment are：
The present invention is further described with reference to the accompanying drawings and examples：The utility model provides a kind of controllable brill of multivariable
Hole temperature experimental bench, including：Experimental bench, loading device and drilling equipment；The loading device includes：Stainless steel strut, upper strata
Backing plate, middle level backing plate, bottom backing plate and jack；The upper strata backing plate and bottom backing plate fasten respectively is arranged on the stainless steel
The both ends of pillar, the jack are fastenedly connected on the bottom backing plate, the lifting of the middle level backing plate and the jack
Free end is fastenedly connected, and has the freedom of motion slided along the stainless steel strut lengths direction；The table top of the experimental bench
Center is equipped with the hollow slots being adapted with the loading device cross sectional dimensions；The loading device run through the hollow slots after with
The table top is fastenedly connected；The middle level backing plate is relative to there are a position and described in the lifting position of the table top
The horizontal plane position flush in face；The drilling equipment fastening is arranged on the table top, and the structure of the drilling equipment includes：
Cross guide rail, electric drill pallet, electric drill and rotational speed meters；The cross guide rail fastening is arranged on the table top, the cross guide rail
On be provided with scale；The electric drill pallet, which is fixed on the cross guide rail, to be had on the cross guide rail along guide rail side
To the freedom of motion of translation；The electric drill pallet make-up is fixed to be equipped with the electric drill；It is fixedly installed on the cross guide rail
For measuring the rotational speed meters of the electric drill rotating speed；Feeding thrust-measuring device is provided with the electric drill.
Specific embodiment：
As shown in FIG. 1 to 3, the controllable borehole temperature experimental bench of multivariable designed by the utility model, including experimental bench,
Loading device and drilling equipment；The hollow slots for placing loading device are equipped among the experimental bench, on the table top of the experimental bench
Equipped with drilling equipment, the loading device is made of four stainless steel struts 2, jack 4 and three pieces of backing plates, four stainless steels
Pillar 2 is located at the corner at hollow out position respectively, is connected by three pieces of backing plates；The backing plate is divided into three layers, and upper strata backing plate 1 is fixed
On stainless steel strut, middle level backing plate 3 can be adjusted with 4 pressure change of jack；Middle level backing plate 3 is placed with different sizes above
Backing plate 14, the height of coal sample 15 can be adjusted as needed；Jack 4 is placed with bottom backing plate, the jack 4 carries pressure gauge
5, for showing pressure size；The drilling equipment includes cross guide rail 11, electric drill 8, rotational speed meters 10, thrust flowmeter sensor 7；Institute
State cross guide rail 11 to be fixed on laboratory bench top, 15 present position of face coal sample, upper strata guide rail 11-1 middle positions are fixed with
Platform, the electric drill 8 fixed using geometrical clamp 13 and the rotational speed meters parallel with electric drill 8 fixed using stent 9 are equipped with platform
10, and the sensing part of rotational speed meters 10 is corresponding with the reflector plate 12 adhered on 8 drill bit of electric drill；Lower floor guide rail 11-2 sides and platform
Has scale 6 in the junction in face；The thrust flowmeter sensor 7 is fixed on the platform of 8 handle one end of electric drill of upper strata guide rail 11-1
Side.When in use, the coal sample of suitable size is placed in the movable cushion plate of lower floor of loading device, by different sizes
Gasket coal sample is adjusted to suitable height.By the pressure gauge carried on jack, assist to adjust additonal pressure to institute
Need numerical value.Then cross guide rail is adjusted so that the center of the drill bit alignment coal sample on upper strata guide rail platform.Tested
When, start jack, electric drill, rotational speed meters and thrust meter.Promote thrust flowmeter sensor position so that electric drill is to coal sample direction
It is mobile, the speed of drilling is judged by the scale in lower floor guide rail, and make drilling speed instrument face reflector plate, write down real-time rotating speed.
Therefore, experiment can record thrust size, electric drill rotating speed, rate of penetration and application pressure size at the same time, multifactor to carry out
Analysis and research.
It should be noted that the pressure that coal sample is applied to for measurement jack is not limited in diagram using the side of pressure gauge
Formula is realized, by setting electronic pressure gauge also to reach same technique effect in jack free end, therefore is used and is set electricity
The frame mode of sub- pressure gauge should also fall into the scope of protection of the utility model.
The above, is only the preferable embodiment of the utility model, but the scope of protection of the utility model is not
This is confined to, any one skilled in the art is in the technical scope that the utility model discloses, according to this practicality
New technical solution and its utility model design are subject to equivalent substitution or change, should all cover the protection model in the utility model
Within enclosing.
Claims (8)
1. a kind of controllable borehole temperature experimental bench of multivariable, including：Experimental bench, loading device and drilling equipment；
The loading device includes：Stainless steel strut, upper strata backing plate, middle level backing plate, bottom backing plate and jack；The upper strata pad
Plate and bottom backing plate fasten the both ends for being arranged on the stainless steel strut respectively, and the jack is fastenedly connected in the bottom pad
On plate, the lifting free end of the middle level backing plate and the jack is fastenedly connected, and is had along the stainless steel strut lengths side
To the freedom of motion of slip；
The table top center of the experimental bench is equipped with the hollow slots being adapted with the loading device cross sectional dimensions；The loading dress
Put and be fastenedly connected after the hollow slots with the table top；The middle level backing plate is deposited in the lifting position relative to the table top
In a position and the horizontal plane position flush of the table top；
The drilling equipment fastening is arranged on the table top, and the structure of the drilling equipment includes：Cross guide rail, electric drill support
Disk, electric drill and rotational speed meters；The cross guide rail fastening is arranged on the table top, and scale is provided with the cross guide rail；Institute
State electric drill pallet be fixed on the cross guide rail have on the cross guide rail along guide rail direction translation movement from
By spending；The electric drill pallet make-up is fixed to be equipped with the electric drill；Fixed setting is useful for measuring the electricity on the cross guide rail
Bore the rotational speed meters of rotating speed；Feeding thrust-measuring device is provided with the electric drill.
2. the controllable borehole temperature experimental bench of multivariable according to claim 1, it is characterised in that：The feeding thrust measurement
Device is thrust flowmeter sensor.
3. the controllable borehole temperature experimental bench of multivariable according to claim 2, it is characterised in that：The thrust flowmeter sensor
It is arranged on the handle of the electric drill.
4. the controllable borehole temperature experimental bench of multivariable according to claim 1, it is characterised in that：The stainless steel strut
It is four to set quantity, and four inclines of cuboid shape are formed after the stainless steel strut fixed setting.
5. the controllable borehole temperature experimental bench of multivariable according to claim 1, it is characterised in that：Further include multiple thickness not
The height adjusting pads piece that same cross sectional shape is adapted with the middle level backing plate shape.
6. the controllable borehole temperature experimental bench of multivariable according to claim 1, it is characterised in that：On the drill bit of the electric drill
Reflector plate is provided with, the rotational speed meters identify the rotating speed of the electric drill by the reflector plate.
7. the controllable borehole temperature experimental bench of multivariable according to claim 1, it is characterised in that：The jack is provided with
Electronic pressure gauge, the extruding force that the free end for measuring the jack is born.
8. the controllable borehole temperature experimental bench of multivariable according to claim 1, it is characterised in that：The jack is provided with
Pressure gauge, for measuring the oil liquid pressure of hydraulic oil in jack.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721646918.9U CN207300949U (en) | 2017-11-30 | 2017-11-30 | A kind of controllable borehole temperature experimental bench of multivariable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721646918.9U CN207300949U (en) | 2017-11-30 | 2017-11-30 | A kind of controllable borehole temperature experimental bench of multivariable |
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| Publication Number | Publication Date |
|---|---|
| CN207300949U true CN207300949U (en) | 2018-05-01 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201721646918.9U Active CN207300949U (en) | 2017-11-30 | 2017-11-30 | A kind of controllable borehole temperature experimental bench of multivariable |
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| CN (1) | CN207300949U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110146275A (en) * | 2019-06-13 | 2019-08-20 | 陈烁 | Drill bit of electric hand drill drilling performance test device |
| CN110487647A (en) * | 2019-07-23 | 2019-11-22 | 中南大学 | A kind of plain type falling weight impact test confining pressure loading device and experimental method |
-
2017
- 2017-11-30 CN CN201721646918.9U patent/CN207300949U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110146275A (en) * | 2019-06-13 | 2019-08-20 | 陈烁 | Drill bit of electric hand drill drilling performance test device |
| CN110146275B (en) * | 2019-06-13 | 2020-09-29 | 陈烁 | Drill bit drilling performance testing device of electric hand drill |
| CN110487647A (en) * | 2019-07-23 | 2019-11-22 | 中南大学 | A kind of plain type falling weight impact test confining pressure loading device and experimental method |
| CN110487647B (en) * | 2019-07-23 | 2020-09-25 | 中南大学 | Simple drop hammer impact test confining pressure loading device and experiment method |
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