CN109538111A - A kind of constant speed feed coal petrography drilling cuttings measuring device - Google Patents
A kind of constant speed feed coal petrography drilling cuttings measuring device Download PDFInfo
- Publication number
- CN109538111A CN109538111A CN201910016962.9A CN201910016962A CN109538111A CN 109538111 A CN109538111 A CN 109538111A CN 201910016962 A CN201910016962 A CN 201910016962A CN 109538111 A CN109538111 A CN 109538111A
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- gas
- damping cylinder
- liquid damping
- constant speed
- valve
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- 238000005553 drilling Methods 0.000 title claims abstract description 74
- 239000003245 coal Substances 0.000 title claims abstract description 38
- 238000005520 cutting process Methods 0.000 title claims abstract description 31
- 239000007788 liquid Substances 0.000 claims abstract description 98
- 238000013016 damping Methods 0.000 claims abstract description 86
- 239000012530 fluid Substances 0.000 claims abstract description 28
- 230000009471 action Effects 0.000 claims abstract description 4
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 6
- 238000000034 method Methods 0.000 abstract description 7
- 239000000843 powder Substances 0.000 abstract description 5
- 230000008569 process Effects 0.000 abstract description 3
- 230000008901 benefit Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000008859 change Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
Classifications
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B3/00—Rotary drilling
- E21B3/02—Surface drives for rotary drilling
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B15/00—Supports for the drilling machine, e.g. derricks or masts
- E21B15/003—Supports for the drilling machine, e.g. derricks or masts adapted to be moved on their substructure, e.g. with skidding means; adapted to drill a plurality of wells
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B15/00—Supports for the drilling machine, e.g. derricks or masts
- E21B15/04—Supports for the drilling machine, e.g. derricks or masts specially adapted for directional drilling, e.g. slant hole rigs
- E21B15/045—Hydraulic, pneumatic or electric circuits for their positioning
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B47/00—Survey of boreholes or wells
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B49/00—Testing the nature of borehole walls; Formation testing; Methods or apparatus for obtaining samples of soil or well fluids, specially adapted to earth drilling or wells
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B7/00—Special methods or apparatus for drilling
- E21B7/04—Directional drilling
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B11/00—Servomotor systems without provision for follow-up action; Circuits therefor
- F15B11/02—Systems essentially incorporating special features for controlling the speed or actuating force of an output member
- F15B11/04—Systems essentially incorporating special features for controlling the speed or actuating force of an output member for controlling the speed
- F15B11/05—Systems essentially incorporating special features for controlling the speed or actuating force of an output member for controlling the speed specially adapted to maintain constant speed, e.g. pressure-compensated, load-responsive
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B11/00—Servomotor systems without provision for follow-up action; Circuits therefor
- F15B11/16—Servomotor systems without provision for follow-up action; Circuits therefor with two or more servomotors
- F15B11/161—Servomotor systems without provision for follow-up action; Circuits therefor with two or more servomotors with sensing of servomotor demand or load
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B2211/00—Circuits for servomotor systems
- F15B2211/40—Flow control
- F15B2211/405—Flow control characterised by the type of flow control means or valve
- F15B2211/40576—Assemblies of multiple valves
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B2211/00—Circuits for servomotor systems
- F15B2211/40—Flow control
- F15B2211/455—Control of flow in the feed line, i.e. meter-in control
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B2211/00—Circuits for servomotor systems
- F15B2211/70—Output members, e.g. hydraulic motors or cylinders or control therefor
- F15B2211/71—Multiple output members, e.g. multiple hydraulic motors or cylinders
- F15B2211/7114—Multiple output members, e.g. multiple hydraulic motors or cylinders with direct connection between the chambers of different actuators
- F15B2211/7121—Multiple output members, e.g. multiple hydraulic motors or cylinders with direct connection between the chambers of different actuators the chambers being connected in series
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B2211/00—Circuits for servomotor systems
- F15B2211/70—Output members, e.g. hydraulic motors or cylinders or control therefor
- F15B2211/75—Control of speed of the output member
Abstract
The invention discloses a kind of constant speed feed coal petrography drilling cuttings measuring devices, including interconnected the first gas-liquid damping cylinder and the second gas-liquid damping cylinder: being provided with speed governing valve between the fluid chamber of first gas-liquid damping cylinder and the fluid chamber of the second gas-liquid damping cylinder, the flow for automatically adjusting the fluid chamber for entering the second gas-liquid damping cylinder is invariable；Second gas-liquid damping cylinder has inner piston and outer piston, and the outer wall of the inner piston and the inner wall of outer piston are equipped with magnet ring, for moving synchronously outer piston with inner piston by the sucking action of magnetic force；It is fixedly connected with drilling machine on the outer piston, for driving drilling machine to move synchronously with the inner piston by outer piston.The present invention can use constant speed gas-liquid damping cylinder and realize that the labor intensity of underground labour can be significantly reduced in drilling cuttings constant speed feed, the device, reduces process number of drilling, can be completed by one man operation.The apparatus structure is simple, light-weight, convenient in carrying, coal powder quantity of bore are not affected by human factors.
Description
Technical field
The invention belongs to the technical fields of underground coal petrography stress test more particularly to a kind of constant speed feed coal petrography drilling cuttings to measure
Device.
Background technique
In bump mine, drilling cuttings method is to bore slim hole to coal body, arranges powder according to boring procedure unit hole depth
The changing rule and dynamic phenomenon of amount understand stress in coal bed intensity, peak value size and location, to determine the danger of bump
Dangerous grade, achievees the purpose that Prediction of Rock Burst.Traditional drilling cuttings method is the operative employee needed by manually punching drilling
People is more, large labor intensity, it is difficult to ensure that constant speed promotes when drilling.The different workers under same geological conditions are often resulted in drill,
Measured result difference is very big, therefore can seriously affect and prejudge to bump.
Summary of the invention
Based on the above the deficiencies in the prior art, technical problem solved by the invention is to provide a kind of constant speed feed coal petrography
Drilling cuttings measuring device, structure is simple, light-weight, convenient in carrying, reduces the labor intensity of underground labour, coal powder quantity of bore not by it is artificial because
Element influences.
In order to solve the above-mentioned technical problem, the present invention is achieved through the following technical solutions: the present invention provides a kind of constant speed
Coal petrography drilling cuttings measuring device is fed, including interconnected the first gas-liquid damping cylinder and the second gas-liquid damping cylinder:
It is provided with speed governing valve between the fluid chamber of first gas-liquid damping cylinder and the fluid chamber of the second gas-liquid damping cylinder, is used
It is invariable in the flow that automatic adjustment enters the fluid chamber of the second gas-liquid damping cylinder；
Second gas-liquid damping cylinder has inner piston and outer piston, the outer wall of the inner piston and the interior wall of outer piston
There is magnet ring, for moving synchronously outer piston with inner piston by the sucking action of magnetic force；
It is fixedly connected with drilling machine on the outer piston, for driving drilling machine fortune synchronous with the inner piston by outer piston
It is dynamic.
Further, it is provided between the air chamber of first gas-liquid damping cylinder and the air chamber of the second gas-liquid damping cylinder
For providing the hand-operated direction valve of gas source and commutation.
Further, the speed governing valve includes throttle valve, the fluid chamber of the throttle valve and the first gas-liquid damping cylinder it
Between be equipped with uniform-pressure-drop valve, the pressure difference for adjusting the throttle valve both sides keeps constant.
Optionally, the hand-operated direction valve is three position four-way directional control valve, and each position is backwards in the three position four-way directional control valve
The lower air holes of one end of gas-liquid damping cylinder connect gas source；
Each be positioned against in the three position four-way directional control valve two stomatas of one end of gas-liquid damping cylinder respectively with it is described
The air chamber of first gas-liquid damping cylinder is connected with the air chamber of the second gas-liquid damping cylinder.
Further, it is also set up between the fluid chamber of first gas-liquid damping cylinder and the fluid chamber of the second gas-liquid damping cylinder
There is the list of the fluid chamber for flowing to first gas-liquid damping cylinder for the liquid in the fluid chamber of second gas-liquid damping cylinder
To valve.
Optionally, movable plate is fixed on the outer piston, the drilling machine is fixed together with the movable plate；
The movable plate drives the drilling-machine shifter along guide rod.
By upper, torque when drilling machine is drilled can be resisted by guide rod.
It optionally, further include the tripod that the inclination angle of coal wall and the height of drilling machine are pierced for adjusting the drilling machine；
First gas-liquid damping cylinder, the second gas-liquid damping cylinder, speed governing valve and hand-operated direction valve are integrally formed, and in lower end
Side is provided with fixed plate；
The fixed plate is equipped with multiple location holes, and is connected on the fixed pin at the top of the tripod by pin shaft.
Further, hanging ring is further fixed in the fixed plate, is fixed with iron chains on the hanging ring, the iron chains it is another
End is fixed on the anchor pole of coal wall.
By upper, constant speed feed coal petrography drilling cuttings measuring device of the invention can use constant speed gas-liquid damping cylinder and realize that drilling cuttings is permanent
The labor intensity of underground labour can be significantly reduced in speed feeding, the device, reduces process number of drilling, can be complete by one man operation
At.The device has the characteristics that simple structure, light-weight, convenient in carrying, coal powder quantity of bore are not affected by human factors.
The above description is only an overview of the technical scheme of the present invention, in order to better understand the technical means of the present invention,
And it can be implemented in accordance with the contents of the specification, and in order to allow above and other objects, features and advantages of the invention can
It is clearer and more comprehensible, below in conjunction with preferred embodiment, and cooperates attached drawing, detailed description are as follows.
Detailed description of the invention
In order to illustrate the technical solution of the embodiments of the present invention more clearly, the attached drawing to embodiment is simply situated between below
It continues.
Fig. 1 is the schematic diagram of constant speed feed coal petrography drilling cuttings measuring device of the invention；
Fig. 2 is the structural schematic diagram of constant speed feed coal petrography drilling cuttings measuring device of the invention；
Fig. 3 is the main view of constant speed feed coal petrography drilling cuttings measuring device of the invention；
Fig. 4 is the Section A-A figure in Fig. 3；
Fig. 5 is the overall structure figure of constant speed feed coal petrography drilling cuttings measuring device of the invention.
Specific embodiment
The embodiment of the invention will now be described in detail with reference to the accompanying drawings, and as part of this specification passes through
Embodiment illustrates the principle of the present invention, and other aspects of the present invention, feature and its advantage will become by the detailed description
It is very clear.In the attached drawing of institute's reference, the same or similar component is indicated using identical drawing reference numeral in different figures.
As shown in Fig. 1 to 5, constant speed feed coal petrography drilling cuttings measuring device of the invention includes the first gas-liquid damping cylinder 1, second
Gas-liquid damping cylinder 2, speed governing valve 3, check valve 6, drilling machine 9, hand-operated direction valve 10, movable plate 11, guide rod 12, fixed plate 14 and three feet
Frame 13, wherein speed governing valve 3 is made of uniform-pressure-drop valve 4 and throttle valve 5, and uniform-pressure-drop valve 4 is close to the first gas-liquid damping cylinder 1
Fluid chamber, fluid chamber of the throttle valve 5 close to the second gas-liquid damping cylinder 2.The outer wall of the inner piston 7 of second gas-liquid damping cylinder 2 is equipped with
The inner wall of magnet ring, the outer piston 8 of the second gas-liquid damping cylinder 2 is also equipped with magnet ring, by the sucking action of magnetic force, outer piston 8 with
Inner piston 7 moves synchronously.Outer piston 8 and movable plate 11 are bolted to connection together, and drilling machine 9 is fixed on movable plate 11
On, movable plate 11 passes through two guide rods 12 and can be moved forward and backward along guide rod 12, the first gas-liquid damping cylinder 1, the second gas-liquid damping cylinder 2
It is integrally fixed with the two sides of guide rod 12 by mounting plate, hand-operated direction valve 10 and speed governing valve 3 are separately mounted to two of both ends
On mounting plate.Guide rod 12 can resist torque when drilling machine 9 is drilled, guide rod 12 be it is hollow, improve its rigidity while reducing quality.
When the second gas-liquid damping cylinder 2 stretches out or retracts, outer piston 8 drives drilling machine 9 to move synchronously with inner piston 7.
In the present invention, the left chamber (gas of the right chamber (air chamber) of the first gas-liquid damping cylinder 1 and the second gas-liquid damping cylinder 2
Chamber) in be gas, the left chamber (fluid chamber) of the first gas-liquid damping cylinder 1 and right chamber (fluid chamber) of the second gas-liquid damping cylinder 2 is interior is
Oil liquid.The left chamber of first gas-liquid damping cylinder 1 is connected to by check valve 6 and speed governing valve 3 with the right chamber of the second gas-liquid damping cylinder 2.Hand
Dynamic reversal valve 10 is three position four-way directional control valve, and each position is under one end of gas-liquid damping cylinder in the three position four-way directional control valve
Portion's stomata connects gas source；Two stomatas difference of one end of gas-liquid damping cylinder is each positioned against in the three position four-way directional control valve
It is connect with the air chamber of the air chamber of first gas-liquid damping cylinder 1 and the second gas-liquid damping cylinder 2.As shown in Figure 1, when gas source connects
When the lower air holes of logical upper position, gas enters from the air chamber of the first gas-liquid damping cylinder 1, pushes the first gas-liquid damping cylinder 1
Interior piston is mobile to its fluid chamber, and then the liquid in the fluid chamber of the first gas-liquid damping cylinder 1 is entered by speed governing valve 3
The fluid chamber of second gas-liquid damping cylinder 2；When the lower air holes of gas source connection lower position, gas is from the second gas-liquid damping cylinder 2
Air chamber enter, push the inner piston 7 of the second gas-liquid damping cylinder 2 mobile to its fluid chamber, by the liquid of the second gas-liquid damping cylinder 2
Liquid in body cavity enters the fluid chamber of the first gas-liquid damping cylinder 1 by check valve 6.
When work, hand-operated direction valve 10 gets to upper, right chamber promotion left chamber of the high pressure gas into the first gas-liquid damping cylinder 1
Oil liquid, oil liquid push inner piston 7 to move by the right chamber that speed governing valve 3 enters the second gas-liquid damping cylinder 2, and then pass through coupling magnet ring
Drive movable plate 11 mobile, the drilling machine 9 being fixed on movable plate 11 realizes drilling feed motion.Speed governing valve 3 is in steady operation
When state, the pressure differential Δ P=P1-P2 on 5 both sides of throttle valve is kept constant, and when the load of drilling machine 9 increases, then throttle valve 5 is right
Lateral pressure P2 increase reduces Δ P, and the valve port amount of uniform-pressure-drop valve 4 increases with it, and liquid resistance reduces, and presses on the left of throttle valve 5
Power P1 increases, and Δ P is made to go up automatically；When the load of drilling machine 9 reduces, then P2 reduction increases Δ P, the valve port of uniform-pressure-drop valve 4
Reduce therewith, liquid resistance increases, and P1 decline, Δ P declines therewith, and so automatic adjustment guarantees to enter 2 right chamber of the second gas-liquid damping cylinder
Flow it is invariable, realize drilling machine constant speed feed work.When hand-operated direction valve 10 gets to bottom, the second gas-liquid damping cylinder 2 is right
The oil liquid of chamber quickly returns liquid, 7 fast retractile of inner piston by check valve 6.
The overall structure of constant speed drilling cuttings measuring device of the invention is as shown in figure 5, drilling machine 9 and movable plate 11 are fixed on one
It rises, movable plate 11 can drive drilling machine 9 to move along guide rod 12.First gas-liquid damping cylinder 1, the second gas-liquid damping cylinder 2, speed governing valve
3 integral structures formed with hand-operated direction valve 10 are connected with tripod 13 by pin shaft, the first gas-liquid damping cylinder 1, the second gas-liquid
The lower end side for the integral structure that damping cylinder 2, speed governing valve 3 and hand-operated direction valve 10 form is provided with fixed plate 14, in fixed plate
There are three location holes on 14, and when selecting different location holes, angle when drilling machine 9 is contacted from tripod 13 is different, can be adjusted
Drilling machine 9 pierces the inclination angle of coal wall.When operating, the angle that three legs of tripod 13 open is adjustable, to adjust drilling machine 9
Highly.After the leg opening angle of tripod determines, connected by the fixed pin 15 on the leg of set square 19 and tripod 13, with
The opening angle of tripod 13 is fixed, the height of drilling machine 9 determines therewith, and fixed plate 14 is then penetrated 13 top of tripod
In fixed pin 15, then an iron chains 17 is fixed on hanging ring 16 fixed in fixed plate 14, the other end of iron chains 17 is fixed on coal
On the anchor pole 18 of wall, operator holds the handrail 20 on mounting plate, to guarantee the stability of drilling cuttings device.It is filled in constant speed drilling cuttings
It sets when not working, tripod is withdrawn, reduce occupied space, facilitate carrying.
Device provides power to gas-liquid damping cylinder after the installation is completed, with air pump, and high pressure gas pushes the second gas-liquid damping cylinder 2
Inner piston 7 it is mobile when, the magnetic force of magnet ring can attract outer piston 8 that movable plate 11 is driven to move simultaneously, and drilling machine 9 is contacted with coal wall,
It is drilled with constant speed to coal wall.After drilling rod pierces coal wall completely, drilling rod is removed, fast retractile gas-liquid damping cylinder can
To access a drilling rod again between drilling machine 9 and the drilling rod for having been drilled into coal wall, pushes the stretching of drilling machine 9 to continue drilling cuttings, can connect
More drilling rods are connect until reaching drilling cuttings depth.After operation, drilling rod is removed, the piston of gas-liquid damping cylinder is quickly contracted
It returns, end of drilling.
Constant speed feed coal petrography drilling cuttings measuring device of the invention can use constant speed gas-liquid damping cylinder realize drilling cuttings constant speed into
It gives, which can be significantly reduced the labor intensity of underground labour, reduces process number of drilling, can be completed by one man operation.
The device has the characteristics that simple structure, light-weight, convenient in carrying, coal powder quantity of bore are not affected by human factors.
The above is a preferred embodiment of the present invention, cannot limit the right model of the present invention with this certainly
It encloses, it is noted that for those skilled in the art, without departing from the principle of the present invention, may be used also
To make several improvement and variation, these, which improve and change, is also considered as protection scope of the present invention.
Claims (8)
1. a kind of constant speed feed coal petrography drilling cuttings measuring device, which is characterized in that including interconnected the first gas-liquid damping cylinder and
Second gas-liquid damping cylinder:
It is provided with speed governing valve between the fluid chamber of first gas-liquid damping cylinder and the fluid chamber of the second gas-liquid damping cylinder, for certainly
The dynamic flow for adjusting the fluid chamber for entering the second gas-liquid damping cylinder is invariable；
Second gas-liquid damping cylinder has inner piston and outer piston, and the outer wall of the inner piston and the inner wall of outer piston are equipped with magnetic
Ring, for moving synchronously outer piston with inner piston by the sucking action of magnetic force；
It is fixedly connected with drilling machine on the outer piston, for driving drilling machine to move synchronously with the inner piston by outer piston.
2. constant speed feed coal petrography drilling cuttings measuring device as described in claim 1, which is characterized in that first gas-liquid damping cylinder
Air chamber and the second gas-liquid damping cylinder air chamber between be provided with for providing the hand-operated direction valve of gas source and commutation.
3. constant speed feed coal petrography drilling cuttings measuring device as described in claim 1, which is characterized in that the speed governing valve includes throttling
Valve is equipped with uniform-pressure-drop valve, for adjusting the throttle valve between the throttle valve and the fluid chamber of the first gas-liquid damping cylinder
The pressure difference on both sides is kept constant.
4. constant speed feed coal petrography drilling cuttings measuring device as claimed in claim 2, which is characterized in that the hand-operated direction valve is three
Position and four-way reversing valve, lower air holes of each position backwards to one end of gas-liquid damping cylinder connect gas in the three position four-way directional control valve
Source；
Two stomatas of one end of gas-liquid damping cylinder are each positioned against in the three position four-way directional control valve respectively with described first
The air chamber of gas-liquid damping cylinder is connected with the air chamber of the second gas-liquid damping cylinder.
5. constant speed feed coal petrography drilling cuttings measuring device as described in claim 1, which is characterized in that first gas-liquid damping cylinder
Fluid chamber and the second gas-liquid damping cylinder fluid chamber between be additionally provided with for for second gas-liquid damping cylinder fluid chamber
Interior liquid flows to the check valve of the fluid chamber of first gas-liquid damping cylinder.
6. constant speed feed coal petrography drilling cuttings measuring device as described in claim 1, which is characterized in that be fixed on the outer piston
Movable plate, the drilling machine are fixed together with the movable plate；
The movable plate drives the drilling-machine shifter along guide rod.
7. constant speed feed coal petrography drilling cuttings measuring device as claimed in claim 2, which is characterized in that further include described for adjusting
Drilling machine pierces the tripod at the inclination angle of coal wall and the height of drilling machine；
First gas-liquid damping cylinder, the second gas-liquid damping cylinder, speed governing valve and hand-operated direction valve are integrally formed, and in lower end side
It is provided with fixed plate；
The fixed plate is equipped with multiple location holes, and is connected on the fixed pin at the top of the tripod by pin shaft.
8. constant speed feed coal petrography drilling cuttings measuring device as claimed in claim 7, which is characterized in that also fixed in the fixed plate
There is hanging ring, iron chains is fixed on the hanging ring, the other end of the iron chains is fixed on the anchor pole of coal wall.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910016962.9A CN109538111B (en) | 2019-01-08 | 2019-01-08 | Constant-speed feeding coal rock drilling cutting measuring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910016962.9A CN109538111B (en) | 2019-01-08 | 2019-01-08 | Constant-speed feeding coal rock drilling cutting measuring device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109538111A true CN109538111A (en) | 2019-03-29 |
| CN109538111B CN109538111B (en) | 2023-12-05 |
Family
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910016962.9A Active CN109538111B (en) | 2019-01-08 | 2019-01-08 | Constant-speed feeding coal rock drilling cutting measuring device |
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| CN (1) | CN109538111B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110242280A (en) * | 2019-07-09 | 2019-09-17 | 煤炭科学技术研究院有限公司 | A kind of intelligent detecting method and special drilling machine of drilling cuttings method special project drilling machine |
| CN110306936A (en) * | 2019-07-09 | 2019-10-08 | 煤炭科学技术研究院有限公司 | A kind of drilling cuttings method special project drilling machine |
| CN112304654A (en) * | 2020-09-22 | 2021-02-02 | 淮北矿业股份有限公司 | Drilling cutting measuring system and method for geological exploration |
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