CN209430111U - 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
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- CN209430111U CN209430111U CN201920028298.5U CN201920028298U CN209430111U CN 209430111 U CN209430111 U CN 209430111U CN 201920028298 U CN201920028298 U CN 201920028298U CN 209430111 U CN209430111 U CN 209430111U
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Abstract
The utility model 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 utility model 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 utility model belong to underground coal petrography stress test technical field more particularly to a kind of constant speed feed coal petrography drilling cuttings
Measuring 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.
Utility model content
Based on the above the deficiencies in the prior art, the technical issues of the utility model is solved, 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 is not by people
For factor influence.
In order to solve the above-mentioned technical problem, the utility model is achieved through the following technical solutions: the utility model provides
A kind of constant speed feed coal petrography drilling cuttings measuring device, 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, the constant speed feed coal petrography drilling cuttings measuring device of the utility model can use constant speed gas-liquid damping cylinder and realize brill
Consider constant speed feed to be worth doing, which can be significantly reduced the labor intensity of underground labour, reduces process number of drilling, is by one man operation
It is achievable.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 merely an outline of the technical solution of the present invention, in order to better understand the skill of the utility model
Art means, and being implemented in accordance with the contents of the specification, and in order to allow the above and other purpose, feature of the utility model
It can be more clearly understood with advantage, below in conjunction with preferred embodiment, and cooperate attached drawing, detailed description are as follows.
Detailed description of the invention
In order to illustrate more clearly of the technical solution of the utility model embodiment, the attached drawing of embodiment will be made below simple
Ground introduction.
Fig. 1 is the schematic diagram of the constant speed feed coal petrography drilling cuttings measuring device of the utility model；
Fig. 2 is the structural schematic diagram of the constant speed feed coal petrography drilling cuttings measuring device of the utility model；
Fig. 3 is the main view of the constant speed feed coal petrography drilling cuttings measuring device of the utility model；
Fig. 4 is the Section A-A figure in Fig. 3；
Fig. 5 is the overall structure figure of the constant speed feed coal petrography drilling cuttings measuring device of the utility model.
Specific embodiment
The specific embodiment that according to the present invention will be described in detail below with reference to the accompanying drawings, as part of this specification,
Illustrate that the principles of the present invention, other aspect, feature and its advantages of the utility model are detailed by this by embodiment
Illustrate to become apparent.In the attached drawing of institute's reference, the same or similar component is used identical attached in different figures
Figure grade indicates.
As shown in Fig. 1 to 5, the constant speed feed coal petrography drilling cuttings measuring device of the utility model include 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 12,14 and of fixed plate
Tripod 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
Have magnet ring, the inner wall of 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 move 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 of the right chamber (air chamber) of the first gas-liquid damping cylinder 1 and the second gas-liquid damping cylinder 2
It is gas, the left chamber (fluid chamber) of the first gas-liquid damping cylinder 1 and the right chamber (fluid chamber) of the second gas-liquid damping cylinder 2 in (air chamber)
It is inside oil liquid.The left chamber of first gas-liquid damping cylinder 1 is connected by the right chamber of check valve 6 and speed governing valve 3 and the second gas-liquid damping cylinder 2
It is logical.Hand-operated direction valve 10 is three position four-way directional control valve, and each position is backwards to the one of gas-liquid damping cylinder in the three position four-way directional control valve
The lower air holes at end connect gas source；Two gas of one end of gas-liquid damping cylinder are each positioned against in the three position four-way directional control valve
Hole 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 respectively.As shown in Figure 1, working as
When gas source is connected to the lower air holes of upper position, gas enters from the air chamber of the first gas-liquid damping cylinder 1, pushes the resistance of the first gas-liquid
Piston in Buddhist nun's cylinder 1 is mobile to its fluid chamber, and then the liquid in the fluid chamber of the first gas-liquid damping cylinder 1 is passed through speed governing valve 3
Enter the fluid chamber of the second gas-liquid damping cylinder 2；When the lower air holes of gas source connection lower position, gas is hindered from the second gas-liquid
The air chamber of Buddhist nun's cylinder 2 enters, and pushes the inner piston 7 of the second gas-liquid damping cylinder 2 mobile to its fluid chamber, by the second gas-liquid damping cylinder
Liquid in 2 fluid chamber 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 the constant speed drilling cuttings measuring device of the utility model is as shown in figure 5, drilling machine 9 is fixed on movable plate 11
Together, 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 regulation
Valve 3 is connected with tripod 13 by pin shaft with the integral structure that hand-operated direction valve 10 forms, the first gas-liquid damping cylinder 1, the second gas
The lower end side for the integral structure that liquid damping cylinder 2, speed governing valve 3 and hand-operated direction valve 10 form is provided with fixed plate 14, in fixation
There are three location holes on plate 14, and when selecting different location holes, angle when drilling machine 9 is contacted from tripod 13 is different, i.e., adjustable
Whole 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
Height.After the leg opening angle of tripod determines, connected by the fixed pin 15 on the leg of set square 19 and tripod 13,
To fix the opening angle of tripod 13, the height of drilling machine 9 determines therewith, and fixed plate 14 is then penetrated 13 top of tripod
Fixed pin 15 in, 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
On the anchor pole 18 of coal wall, operator holds the handrail 20 on mounting plate, to guarantee the stability of drilling cuttings device.In constant speed drilling cuttings
When device does not work, tripod is withdrawn, occupied space is reduced, facilitates 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.
The constant speed feed coal petrography drilling cuttings measuring device of the utility model 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 is preferred embodiments of the present invention, certainly cannot with this come limit the utility model it
Interest field, it is noted that for those skilled in the art, before not departing from the utility model principle
It puts, several improvement and variation can also be made, these, which improve and change, is also considered as the protection scope of the utility model.
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 |
|---|---|---|---|
| CN201920028298.5U CN209430111U (en) | 2019-01-08 | 2019-01-08 | A kind of constant speed feed coal petrography drilling cuttings measuring device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920028298.5U CN209430111U (en) | 2019-01-08 | 2019-01-08 | A kind of constant speed feed coal petrography drilling cuttings measuring device |
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| CN209430111U true CN209430111U (en) | 2019-09-24 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109538111A (en) * | 2019-01-08 | 2019-03-29 | 辽宁工程技术大学 | A kind of constant speed feed coal petrography drilling cuttings measuring device |
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2019
- 2019-01-08 CN CN201920028298.5U patent/CN209430111U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109538111A (en) * | 2019-01-08 | 2019-03-29 | 辽宁工程技术大学 | A kind of constant speed feed coal petrography drilling cuttings measuring device |
| CN109538111B (en) * | 2019-01-08 | 2023-12-05 | 辽宁工程技术大学 | Constant-speed feeding coal rock drilling cutting measuring device |
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