CN110513042A - Horizontal coring drilling machine and direction adjusting system thereof - Google Patents
Horizontal coring drilling machine and direction adjusting system thereof Download PDFInfo
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- CN110513042A CN110513042A CN201910871920.3A CN201910871920A CN110513042A CN 110513042 A CN110513042 A CN 110513042A CN 201910871920 A CN201910871920 A CN 201910871920A CN 110513042 A CN110513042 A CN 110513042A
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- 238000005553 drilling Methods 0.000 title claims abstract description 120
- 239000007788 liquid Substances 0.000 claims description 27
- 239000002828 fuel tank Substances 0.000 claims description 26
- 238000000034 method Methods 0.000 abstract description 12
- 230000008569 process Effects 0.000 abstract description 9
- 229910000831 Steel Inorganic materials 0.000 abstract description 7
- 239000010959 steel Substances 0.000 abstract description 7
- 230000001276 controlling effect Effects 0.000 abstract 1
- 230000001105 regulatory effect Effects 0.000 abstract 1
- 239000003921 oil Substances 0.000 description 134
- 230000008859 change Effects 0.000 description 4
- 239000012530 fluid Substances 0.000 description 4
- 241001074085 Scophthalmus aquosus Species 0.000 description 3
- 230000008878 coupling Effects 0.000 description 3
- 238000010168 coupling process Methods 0.000 description 3
- 238000005859 coupling reaction Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 239000010720 hydraulic oil Substances 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 238000009412 basement excavation Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 238000009440 infrastructure construction Methods 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 230000005641 tunneling Effects 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B44/00—Automatic control systems specially adapted for drilling operations, i.e. self-operating systems which function to carry out or modify a drilling operation without intervention of a human operator, e.g. computer-controlled drilling systems; Systems specially adapted for monitoring a plurality of drilling variables or conditions
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK 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
- E21B7/046—Directional drilling horizontal drilling
-
- 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
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- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Environmental & Geological Engineering (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Earth Drilling (AREA)
- Fluid-Pressure Circuits (AREA)
Abstract
The invention discloses a direction adjusting system of a horizontal coring drilling machine, which comprises: the steel wire ropes of the hydraulic winches are connected with the outer sleeve of the horizontal coring drilling machine, and the fixed points of the steel wire ropes and the outer sleeve are arranged in a non-collinear way; the hydraulic direction regulating loops are connected with the hydraulic motors of the hydraulic winches in a one-to-one correspondence mode and are used for controlling the oil pressure of working oil ports of the hydraulic motors so as to regulate the tension of the steel wire ropes; the drilling rod is subjected to forces of different action points, the spatial positions of the fixed points are changed through the combination of different tension of the steel wire ropes, the axial direction of the drilling rod is further changed, namely, the drilling direction of the horizontal core drilling machine in the drilling process is changed, the purpose of adjusting the drilling direction of the horizontal core drilling machine is achieved, and the working condition that the hydraulic winch adjusts the drilling direction is achieved. The invention also discloses a horizontal coring drilling machine comprising the direction adjusting system of the horizontal coring drilling machine.
Description
Technical field
The present invention relates to technical field of hydraulic pressure, more specifically to a kind of tuning system of horizontal core drilling rig, this
Outside, the invention further relates to a kind of horizontal core drilling rigs of tuning system including above-mentioned horizontal core drilling rig.
Background technique
During the infrastructure constructions such as highway, railway and diversion works, tunneling is frequently referred to, in tunnel
Geological prospecting is carried out to location locating for tunnel before excavation, is the necessary links of constructing tunnel.
In the prior art, the mode that vertical core drilling rig drills straight down from ground is generallyd use, to obtain stratum
Core sample, to analyze tunnel geology condition.However, the area very big in edpth of tunnel, from ground boring and coring downwards
Difficulty is big, at high cost.Therefore, in order to reduce edpth of tunnel it is larger when geological prospecting difficulty, while reducing exploration cost, can be into
The relatively long horizontal core drilling rig apart from coring of row is gradually applied.
However, horizontal core drilling rig in the prior art only has the function of drilling, brill can not be adjusted in drilling process
Into direction, so that drilling route is limited to.That is, the coring that existing horizontal core drilling rig is only applicable to relatively short distance is surveyed
It visits, for the coring of long range, then will will cause that Path error is excessive, lead to not be bored by the requirement of predetermined drilling route
Into.
Therefore, how a kind of tuning system of drilling direction that can adjust horizontal core drilling rig is provided, is current ability
Field technique personnel's urgent problem to be solved.
Summary of the invention
In view of this, the object of the present invention is to provide a kind of tuning systems of horizontal core drilling rig, it can be achieved that horizontal coring
Drilling direction of the drilling machine in drilling process is adjusted.
It is a further object of the present invention to provide a kind of horizontal core drills of tuning system including above-mentioned horizontal core drilling rig
Machine, drilling direction are adjustable.
To achieve the goals above, the invention provides the following technical scheme:
A kind of tuning system of horizontal core drilling rig, comprising:
At least three hydraulic wireline winch, outer tube of the wirerope of each hydraulic wireline winch with the horizontal core drilling rig
It is connected, and the fixed point non-colinear of each wirerope and the outer tube is arranged；
The hydraulic tuning circuit being connected is corresponded with the hydraulic motor of each hydraulic wireline winch, for controlling each institute
The oil liquid pressure of the actuator port of hydraulic motor is stated, to adjust the pulling force size of each wirerope.
Preferably, the single hydraulic tuning circuit includes:
It is connected to the actuator port A1 of the hydraulic motor and the first oil return line of fuel tank, first oil return line is equipped with and is used for
The pressure of the actuator port A1 is adjusted to control the first proportional pressure control valve of the pulling force of the wirerope；
It is connected to the actuator port B1 of the hydraulic motor and the second oil return line of fuel tank, second oil return line is equipped with and is used for
Control the first switch control valve of the second oil return line on-off.
It preferably, further include the withdrawing rope circuit being arranged in a one-to-one correspondence with the hydraulic motor, it is described hydraulic for driving
Motor is forward or reverse so that the hydraulic wireline winch active release rope or active rope closing.
Preferably, the withdrawing rope circuit includes:
The first oil circuit being connected with the actuator port A1 of the hydraulic motor；
The second oil circuit being connected with the actuator port B1 of the hydraulic motor；
For supplying the main in-line of oil liquid；
For being back to the main oil return line of fuel tank for oil liquid；
Reversal valve, the oil inlet P 2 and oil return inlet T 2 of the reversal valve respectively with the main in-line and the main oil return line
It is corresponding to be connected, the actuator port A2 and actuator port B2 of the reversal valve respectively with first oil circuit and second oil circuit pair
It should be connected.
Preferably, the reversal valve is three position four-way directional control valve, and the Median Function of the three position four-way directional control valve is Y
Type, when the reversal valve is in middle position, to make the actuator port B1 pass through second oil circuit and the reversal valve and institute
State main oil return line connection；
The single hydraulic tuning circuit includes:
It is connected to the tuning oil return line that first oil circuit is connected with fuel tank, the tuning oil return line is equipped with described for adjusting
The pressure of actuator port A1 is to control the second proportional pressure control valve of the pulling force of the wirerope；
Second for controlling the oil circuit on-off between the actuator port A2 of the reversal valve and the actuator port A1 opens
Control valve is closed, to avoid the work by controlling the second switch control valve disconnection when the reversal valve is in middle position
Make hydraulic fluid port A1 to be connected to by the reversal valve with the main oil return line.
Preferably, the reversal valve is proportional direction valve.
Preferably, the main in-line in each withdrawing rope circuit is connected with the same hydraulic pump.
It preferably, further include the pressure release circuit of the oil outlet for being connected to the hydraulic pump and oil return box, the pressure release is returned
Road is equipped with the third switching control pilot for controlling pressure release circuit on-off.
Preferably, further includes:
Shuttle valve for choosing pressure the higher person in the actuator port A1 and the actuator port B1, it is described
The first oil inlet P 41 and the second oil inlet P 42 of shuttle valve are corresponding with first oil circuit and second oil circuit respectively to be connected；
It is connected with the oil outlet A4 of the shuttle valve, the pressure sensor of pressure for detecting the oil outlet A4, to work as
Superpressure alarm.
A kind of horizontal core drilling rig, the tuning system including the horizontal core drilling rig of any one of the above.
The tuning system of horizontal core drilling rig provided by the invention, by setting three or more hydraulic wireline winch, and will be each
Outer tube of the wirerope of a hydraulic wireline winch respectively with horizontal core drilling rig is fixed, and guarantees consolidating for each wirerope and outer tube
Pinpoint non-colinear setting；Then, pass through two actuator ports of the hydraulic motor of the hydraulic each hydraulic wireline winch of tuning loop modulation
Pressure difference, to adjust the pulling force that wirerope corresponding to hydraulic motor is applied on outer tube, thus pass through each wirerope
The combination of different pulling force sizes to change the spatial position of each fixed point, and then changes the axis direction of drilling rod, that is, water
Drilling direction of the flat core drilling rig in drilling process realizes the adjusting of horizontal core drilling rig drilling direction.
Horizontal core drilling rig provided by the invention, the tuning system including above-mentioned horizontal core drilling rig, in drilling process
In drilling direction it is adjustable.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
The embodiment of invention for those of ordinary skill in the art without creative efforts, can also basis
The attached drawing of offer obtains other attached drawings.
Fig. 1 is the schematic diagram of the tuning system of horizontal core drilling rig provided by the specific embodiment of the invention.
Appended drawing reference in Fig. 1 is as follows:
1 it is hydraulic motor, 11 be the first oil circuit, 12 be the second oil circuit, 21 be main in-line, 211 be filter, 212 is
Check valve, 22 be main oil return line, 3 be reversal valve, 4 be tuning oil return line, 41 be the second proportional pressure control valve, 5 be second switch control
Valve processed, 6 be hydraulic pump, 61 be motor, 62 be shaft coupling, 63 be overflow valve, 7 be pressure release circuit, 71 be third switching control pilot,
8 it is shuttle valve, 9 is pressure sensor.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Core of the invention is to provide a kind of tuning system of horizontal core drilling rig, it can be achieved that horizontal core drilling rig is being crept into
Drilling direction in the process is adjusted.Another core of the invention is to provide a kind of tuning system including above-mentioned horizontal core drilling rig
Horizontal core drilling rig, drilling direction is adjustable.
Referring to FIG. 1, the principle of the tuning system for horizontal core drilling rig provided by a specific embodiment of the invention
Figure.
The present invention provides a kind of tuning system of horizontal core drilling rig, including at least three hydraulic wireline winch and with it is each hydraulic
The hydraulic motor 1 of winch corresponds connected hydraulic tuning circuit, the wirerope of each hydraulic wireline winch respectively with horizontal coring
The outer tube of drilling machine is connected；Hydraulic tuning circuit is used to control the oil liquid pressure of the actuator port of corresponding hydraulic motor 1, with logical
The oil liquid pressure of the actuator port of each hydraulic motor 1 is overregulated to correspond to the pulling force for adjusting each wirerope, and then passes through tune
The pulling force size of each wirerope is saved to adjust the drilling direction of horizontal core drilling rig.
It should be noted that one end of the wirerope of three or more hydraulic wireline winch is separately fixed on outer tube, it is each
The fixed point non-colinear of wirerope is arranged, since outer tube is connected with drilling rod, the fixation dot of three or more wirerope
At at least one triangular structure, the combination of the position of each fixed point spatially determines the axis direction of drilling rod,
That is, each fixed point has codetermined the drilling direction of horizontal core drilling rig.Therefore, pass through the steel wire of each hydraulic wireline winch of adjusting
The pulling force size of rope, thus it is possible to vary the spatial position of the fixed point of each wirerope, and then can change the orientation of drilling rod, make to bore
Head is crept into towards different directions.
It should be pointed out that the fixed point of each wirerope refers to the link position of each wirerope and outer tube.
It should be noted that the size of the pressure difference by two actuator ports for adjusting hydraulic motor 1, adjustable liquid
The pulling force of wirerope corresponding to pressure motor 1, therefore, the present invention control each liquid by three or more hydraulic tuning circuits
The oil liquid pressure of the actuator port of the hydraulic motor 1 of winch is pressed, the quantity in hydraulic tuning circuit is by the quantity of hydraulic wireline winch Lai really
Fixed, hydraulic tuning circuit and hydraulic motor 1 correspond, and single hydraulic tuning circuit is used to control the work of single hydraulic motor 1
Make the oil liquid pressure of hydraulic fluid port, so that adjusting wirerope corresponding with hydraulic motor 1 is applied to the pulling force on drilling rod, and then by each
The combination of a wirerope difference pulling force size, come change each wirerope fixed point spatial position, and then change drilling rod
Axis direction, that is, drilling direction of the horizontal core drilling rig in drilling process, to reach the brill of the horizontal core drilling rig of adjusting
Into the purpose in direction.
That is, realizing that hydraulic wireline winch adjusts the operating condition of drilling direction jointly by three or more hydraulic tuning circuits.
Without limitation to the specific structure in hydraulic tuning circuit, those skilled in the art can be according to practical need for the present embodiment
It sets, as long as the pressure difference size of two actuator ports of hydraulic motor 1 can be adjusted.
As a preferred embodiment, on the basis of above-described embodiment, single hydraulic tuning circuit includes the first oil return
Road and the second oil return line, one end of the first oil return line are connected with the actuator port A1 of hydraulic motor 1, and the other end is connected with fuel tank,
To be connected to the actuator port A1 and fuel tank of hydraulic motor 1；The actuator port B1 phase of one end of the second oil return line and hydraulic motor 1
Even, the other end is connected with fuel tank, to be connected to the actuator port B1 and fuel tank of hydraulic motor 1；First oil return line is equipped with for adjusting
The pressure of actuator port A1 is to control the first proportional pressure control valve of the pulling force of wirerope；Second oil return line is equipped with for controlling second
The first switch control valve of oil return line on-off.
Specifically, when first switch control valve is opened, the conducting of the second oil return line, hydraulic tuning circuit is in work shape
State makes hydraulic motor 1 be in quick condition, that is, when horizontal core drilling rig bores forward under the thrust of its propelling cylinder
Into when, since each wirerope is connected with outer tube respectively, horizontal core drilling rig will haul during creeping into forward
Each wirerope is gone ahead, then hydraulic motor 1 can be by the roller of hydraulic wireline winch with passive rotation, at this point, the work of hydraulic motor 1
Make hydraulic fluid port B1 by the second oil return line from fuel tank oil suction, the oil liquid come out from the actuator port A1 of hydraulic motor 1 is through the first ratio
The channel of the oil inlet of overflow valve to oil return opening returns to fuel tank.And in this course, by adjusting each hydraulic tuning respectively
The control electric current of the first proportional pressure control valve in circuit, so that it may the pressure of each 1 actuator port A1 of hydraulic motor is adjusted respectively,
So as to the corresponding pulling force for adjusting each wirerope, by the different size of combination of each lineoutofservice signal pull, to adjust level
The drilling direction of core drilling rig.
Under normal circumstances, each hydraulic wireline winch also has hydraulic wireline winch master other than having the operating condition for adjusting drilling direction
It is dynamic to put rope operating condition and hydraulic wireline winch active rope closing operating condition, to meet the needs of horizontal core drilling rig is to hydraulic wireline winch withdrawing rope.
Therefore, when first switch control valve disconnects, the second oil return line is disconnected, and is normally received to avoid hydraulic wireline winch is influenced
Put rope.And when the normal withdrawing rope of hydraulic wireline winch, it, can be by the first ratio by the way that the first proportional pressure control valve is set as maximum pressure
Example overflow valve is used as safety valve.
In view of the realization of hydraulic wireline winch active withdrawing rope, on the basis of above-described embodiment, horizontal core drilling rig
Tuning system further includes the withdrawing rope circuit being arranged in a one-to-one correspondence with hydraulic motor 1, for driving hydraulic motor 1 forward or reverse
So that hydraulic wireline winch active release rope or active rope closing.
That is, when withdrawing rope circuit driving hydraulic motor 1 rotates forward, hydraulic wireline winch active release rope, in horizontal core drill
When machine is normally crept into, by the active release rope of hydraulic wireline winch, it is released wirerope gradually with the drilling of drilling rod, so that steel
Cord is in loosening state, avoids wirerope from generating pulling force to drilling rod, hinders the drilling of horizontal core drilling rig.
When withdrawing rope circuit, driving hydraulic motor 1 is inverted, hydraulic wireline winch active rope closing, in the brill of horizontal core drilling rig
When bar needs to retract, by the active rope closing of hydraulic wireline winch, drilling rod is pulled back.
It should be noted that the present embodiment to the specific structure in withdrawing rope circuit without limitation, those skilled in the art can
To set according to actual needs, as long as can satisfy the active withdrawing rope of hydraulic wireline winch.
As a preferred embodiment, on the basis of above-described embodiment, withdrawing rope circuit includes the first oil circuit 11, second
Oil circuit 12, main in-line 21, main oil return line 22 and reversal valve 3.First oil circuit 11 is connected with the actuator port A1 of hydraulic motor 1,
Second oil circuit 12 is connected with the actuator port B1 of hydraulic motor 1, and main in-line 21 is used to supply oil liquid for hydraulic motor 1, leads back
Oil circuit 22 is used for for being back to fuel tank from the oil liquid that hydraulic motor 1 flows out, and reversal valve 3 is used to switch the rotation side of hydraulic motor 1
To making the first oil circuit 11 and the second oil circuit 12 are changeable to be connected to main in-line 21.
When the first oil circuit 11 is connected to main in-line 21, the second oil circuit 12 is connected to main oil return line 22, at this point, main oil inlet
Road 21, reversal valve 3, the first oil circuit 11, hydraulic motor 1, the second oil circuit 12 and main oil return line 22 are formed for driving hydraulic motor 1
The driving circuit of reversion realizes the active rope closing of hydraulic wireline winch.
When the second oil circuit 12 is connected to main in-line 21, the first oil circuit 11 is connected to main oil return line 22, at this point, main oil inlet
Road 21, reversal valve 3, the second oil circuit 12, hydraulic motor 1, the first oil circuit 11 and main oil return line 22 are formed for driving hydraulic motor 1
The driving circuit of rotating forward realizes the active release rope of hydraulic wireline winch.
Specifically, the oil inlet P 2 and oil return inlet T 2 of reversal valve 3 phase corresponding with main in-line 21 and main oil return line 22 respectively
Even, the actuator port A2 and actuator port B2 of reversal valve 3 are corresponding with the first oil circuit 11 and the second oil circuit 12 respectively is connected.
In use, passing through the spool position for changing reversal valve 3, thus it is possible to vary the inner passage of reversal valve 3, and then realize the
One oil circuit 11 and the connection of main in-line 21 or the connection of the second oil circuit 12 and main in-line 21.
Caused hydraulic circuit redundancy, In when independently being designed in order to avoid hydraulic tuning circuit and withdrawing rope circuit
On the basis of above-described embodiment, reversal valve 3 is three position four-way directional control valve, and the Median Function of three position four-way directional control valve is Y type；
At this point, single hydraulic tuning circuit includes tuning oil return line 4 and second switch control valve 5, one end of tuning oil return line 4 and first
Oil circuit 11 is connected, and the other end is connected with fuel tank, and to be connected to the first oil circuit 11 and fuel tank, tuning oil return line 4 is equipped with for adjusting
The pressure of the actuator port A1 of hydraulic motor 1 is to control the second proportional pressure control valve 41 of the pulling force of wirerope；Second switch control
Valve 5 is used to control the oil circuit on-off between the actuator port A1 of reversal valve 3 and the actuator port A1 of hydraulic motor 1, when commutation
When valve 3 is in middle position, disconnected by control second switch control valve 5 to avoid actuator port A1 from passing through reversal valve 3 and main oil return
Road 22 is connected to；At this point, the hydraulic oil flowed out from actuator port A1 flows into fuel tank via the second proportional pressure control valve 41.
It is understood that when three position four-way directional control valve is in middle position, due to the Median Function of three position four-way directional control valve
For Y type, therefore, the actuator port B1 of hydraulic motor 1 is connected by the second oil circuit 12 and three position four-way directional control valve and main oil return line 22
It is logical.At this point, under the propelling cylinder effect of horizontal core drilling rig, so that hydraulic motor 1 is by the roller of hydraulic wireline winch with passive
When rotation, the actuator port B1 of hydraulic motor 1 can pass sequentially through the second oil circuit 12, three position four-way directional control valve and main oil return line 22
The oil suction from fuel tank.
That is, the present embodiment realizes that hydraulic wireline winch adjusts drilling side by the Y type Median Function of three position four-way directional control valve
To operating condition.
It is understood that can realize hydraulic wireline winch master respectively when three position four-way directional control valve is in left position and right position
It is dynamic to put rope operating condition and hydraulic wireline winch active rope closing operating condition.
That is, three position four-way directional control valve of the present embodiment by selection Y type Median Function, and returned by adding tuning
Oil circuit 4, the second proportional pressure control valve 41 and second switch control valve 5, realize the unification in hydraulic tuning circuit and withdrawing rope circuit,
It is integrated in hydraulic tuning circuit and withdrawing rope circuit in the same hydraulic system.
It is understood that preferably avoiding wirerope from leading to steel wire because putting rope excessively when hydraulic wireline winch active release rope
Rope hangs down, that is, suitably to put rope when horizontal core drilling rig is normally crept into；And when hydraulic wireline winch active rope closing, in order to
The speed that drilling rod is quickly retracted matches, it is desirable to quick rope closing, therefore, in order to adapt to the different operating conditions of hydraulic wireline winch, In
On the basis of above-mentioned each embodiment, reversal valve 3 is proportional direction valve.
It is understood that the flow of proportional direction valve is adjustable, therefore, can by adjust the aperture of proportional direction valve come
The flow for entering the hydraulic oil of hydraulic motor 1 is adjusted, to adjust the folding and unfolding speed of wirerope.
In order to simplify system, the redundancy of Hydraulic Elements is avoided, on the basis of above-mentioned each embodiment, each withdrawing rope
The main in-line 21 in circuit is connected with the same hydraulic pump 6.
That is, the present embodiment is provided by the same hydraulic pump 6 for the corresponding withdrawing rope circuit of each hydraulic wireline winch
Pressure oil reduces cost so as to reduce the quantity of hydraulic pump 6；Meanwhile it can simplify hydraulic system.
Preferably, the input shaft of hydraulic pump 6 is connected by shaft coupling 62 with the output shaft of motor 61, and motor 61 is used to be liquid
Press pump 6 provides power, and shaft coupling 62 is used to the power input of motor 61 being transferred to hydraulic pump 6.
It further include for connecting on the basis of above-described embodiment to realize the light-load starting of hydraulic pump 6 and motor 61
The oil outlet of logical hydraulic pump 6 and the pressure release circuit 7 of oil return box, pressure release circuit 7 is equipped with the third for controlling 7 on-off of pressure release circuit
Switching control pilot 71.
Specifically, when motor 61 and hydraulic pump 6 start, by opening third switching control pilot 71, lead pressure release circuit 7
It is logical, to make the oil outlet pressure release of hydraulic pump 6, realize the light-load starting of hydraulic pump 6 and motor 61.
After motor 61 and hydraulic pump 6 start, by closing third switching control pilot 71, disconnect pressure release circuit 7, thus
Making the oil outlet of hydraulic pump 6 has certain pressure, to meet loading demand.
In addition, the oil outlet pressure superpressure of hydraulic pump 6 causes the damage of Hydraulic Elements in hydraulic circuit in order to prevent, as
A kind of preferred embodiment further includes the safety return circuit being arranged in parallel with pressure release circuit 7, one end of safety return circuit and going out for hydraulic pump 6
Hydraulic fluid port is connected, and the other end is connected with fuel tank, and safety return circuit is equipped with the overflow valve 63 used as safety valve.
Further, in order to guarantee horizontal core drilling rig tuning system steady running, main in-line 21 was equipped with
Filter 211, filter 211 are connected with the oil outlet of hydraulic pump 6, are filtered for the oil liquid to hydraulic pump 6, to protect tuning
Hydraulic Elements in system on each oil circuit improve the service life of each Hydraulic Elements.
Further, the check valve 212 for preventing oil liquid from flowing back to hydraulic pump 6 is additionally provided on main in-line 21, unidirectionally
The oil inlet of valve 212 is connected with filter 211, and the oil outlet of check valve 212 is connected with the oil inlet P 2 of each reversal valve 3 respectively.
In order to avoid the actuator port A1 and actuator port B1 superpressure of hydraulic motor 1, in above-mentioned any one embodiment
It further include shuttle valve 8 and pressure sensor 9 on basis, the first oil inlet P 41 and the second oil inlet P 42 of shuttle valve 8 are respectively with
One oil circuit 11 and the second oil circuit 12 correspondence are connected, by the pressure in the actuator port A1 and actuator port B1 of hydraulic motor 1 compared with
High person chooses；Pressure sensor 9 is connected with the oil outlet A4 of shuttle valve 8, for detecting the pressure of 8 oil outlet A4 of shuttle valve.
It is understood that the pressure of 8 oil outlet A4 of shuttle valve is the actuator port A1 and actuator port B1 of hydraulic motor 1
Therefore the pressure of middle pressure the higher person when the pressure of 8 oil outlet A4 of shuttle valve exceeds preset pressure value, then shows actuator port
Therefore at least one of A1 and actuator port B1 superpressure can be believed the detection signal of pressure sensor 9 as overpressure alarm
Number source, to sound an alarm when any one superpressure in actuator port A1 and actuator port B1, with the person that prompts site operation.
It is controlled it should be noted that the present invention switchs above-mentioned first switch control valve, second switch control valve 5 and third
The specific structure of valve 71 processed is without limitation, it is preferable that first switch control valve, second switch control valve 5 and third switch control
Valve 71 is Solenoid ball valve.
As shown in Figure 1, for the tuning system of horizontal core drilling rig provided by a specific embodiment of the invention, below
By taking Fig. 1 as an example, its working principle is discussed in detail.
When horizontal core drilling rig normally creeps into, is not necessarily to tuning, hydraulic wireline winch, which has the initiative, puts rope operating condition.
Specifically, third switching control pilot 71 it is electric after be in right position so that pressure release circuit 7 be connected, at this point, from hydraulic pump
The oil liquid of 6 oil outlet outflow flows into fuel tank, 61 light-load starting of motor through third switching control pilot 71.After motor 61 starts, the
Three switching control pilots, 71 power loss returns to left position, so that pressure release circuit 7 disconnects；Meanwhile the corresponding reversal valve 3 of each hydraulic wireline winch
Left position it is electric, the right position power loss of each second switch control valve 5 makes each second switch control valve 5 be in normally open.This
When, the oil liquid flowed out from 6 oil outlet of hydraulic pump separately flows into through filter 211, check valve 212 that each hydraulic wireline winch is corresponding to be changed
To the oil inlet P 2 of valve 3, pressure oil liquid by reversal valve 3 the channel P2 to B2 to hydraulic motor 1 actuator port B1, from hydraulic
The oil liquid that the actuator port A1 of motor 1 comes out behind the left position of second switch control valve 5 return again by the channel A2 to T2 through reversal valve 3
To fuel tank.
It should be noted that hydraulic wireline winch has the initiative when putting rope operating condition, the second proportional pressure control valve 41 is set as maximum pressure
Force value, to be used as safety valve.
When horizontal core drilling rig needs to adjust drilling direction in drilling process, hydraulic wireline winch, which is in, adjusts drilling direction
Operating condition.
Specifically, due to needing that hydraulic motor 1 is made to be in quick condition under the operating condition, motor 61 and hydraulic pump 6 are not necessarily to
Starting, that is, do not need motor 61 and hydraulic pump 6 is system fuel feeding.At this point, the right position of each second switch control valve 5 obtains electric, make
Each second switch control valve 5 is obtained to be in close state.Horizontal core drilling rig bores forward under the thrust of its propelling cylinder
Into, since the wirerope of each hydraulic wireline winch is each attached on outer tube, the process that horizontal core drilling rig is crept into forward
In, wirerope can be hauled and gone ahead, then hydraulic motor 1 can be by hydraulic wireline winch roller with passive rotation, at this point, hydraulic motor 1
Actuator port B1 by the channel middle position B2 to T2 of reversal valve 3 from fuel tank oil suction, the actuator port A1 of hydraulic motor 1 is out
Oil liquid returns to fuel tank through the channel P3 to T3 of the second proportional pressure control valve 41.In this way, corresponding by adjusting each hydraulic wireline winch respectively
The second proportional pressure control valve 41 control electric current, so that it may adjust the pressure of each 1 actuator port A1 of hydraulic motor respectively, also
The corresponding pulling force size for adjusting each hydraulic wireline winch wirerope respectively, by the different size of combination of each lineoutofservice signal pull, most
The adjusting to horizontal core drilling rig drilling direction is realized eventually.
When horizontal core drilling rig retreats, hydraulic wireline winch has the initiative rope closing operating condition.
Specifically, third switching control pilot 71 it is electric after be in right position so that pressure release circuit 7 be connected, at this point, from hydraulic pump
The oil liquid of 6 oil outlet outflow flows into fuel tank, 61 light-load starting of motor through third switching control pilot 71.After motor 61 starts, the
Three switching control pilots, 71 power loss returns to left position, so that pressure release circuit 7 disconnects；Meanwhile the corresponding reversal valve 3 of each hydraulic wireline winch
Right position it is electric, the right position power loss of each second switch control valve 5 makes each second switch control valve 5 be in normally open.This
When, the oil liquid flowed out from 6 oil outlet of hydraulic pump separately flows into through filter 211, check valve 212 that each hydraulic wireline winch is corresponding to be changed
To the oil inlet P 2 of valve 3, pressure oil liquid passes through the channel P2 to A2 of reversal valve 3, then arrives behind the left position of second switch control valve 5
Up to the actuator port A1 of hydraulic motor 1, B2 to T2 of the oil liquid through reversal valve 3 come out from the actuator port B1 of hydraulic motor 1 is logical
Road returns to fuel tank.
It should be noted that hydraulic wireline winch has the initiative when putting rope operating condition, the second proportional pressure control valve 41 is set as maximum pressure
Force value, to be used as safety valve.
It include water disclosed in above-described embodiment the present invention also provides one kind in addition to the tuning system of above-mentioned horizontal core drilling rig
The horizontal core drilling rig of the tuning system of flat core drilling rig, the structure of other each sections of the horizontal core drilling rig please refer to existing
Technology, repeats no more herein.
It should also be noted that, in the present specification, relational terms such as first and second and the like be used merely to by
One entity or operation are distinguished with another entity or operation, without necessarily requiring or implying these entities or operation
Between there are any actual relationship or orders.
Each embodiment in this specification is described in a progressive manner, the highlights of each of the examples are with other
The difference of embodiment, the same or similar parts in each embodiment may refer to each other.
Horizontal core drilling rig provided by the present invention and its tuning system are described in detail above.It is used herein
A specific example illustrates the principle and implementation of the invention, and the above embodiments are only used to help understand
Method and its core concept of the invention.It should be pointed out that for those skilled in the art, not departing from this
, can be with several improvements and modifications are made to the present invention under the premise of inventive principle, these improvement and modification also fall into the present invention
In scope of protection of the claims.
Claims (10)
1. a kind of tuning system of horizontal core drilling rig characterized by comprising
At least three hydraulic wireline winch, outer tube phase of the wirerope of each hydraulic wireline winch with the horizontal core drilling rig
Even, and the fixed point non-colinear of each wirerope and the outer tube is arranged；
The hydraulic tuning circuit being connected is corresponded with the hydraulic motor (1) of each hydraulic wireline winch, for controlling each institute
The oil liquid pressure of the actuator port of hydraulic motor (1) is stated, to adjust the pulling force size of each wirerope.
2. the tuning system of horizontal core drilling rig according to claim 1, which is characterized in that the single hydraulic tuning is returned
Road includes:
It is connected to the actuator port A1 of the hydraulic motor (1) and the first oil return line of fuel tank, first oil return line is equipped with and is used for
The pressure of the actuator port A1 is adjusted to control the first proportional pressure control valve of the pulling force of the wirerope；
It is connected to the actuator port B1 of the hydraulic motor (1) and the second oil return line of fuel tank, second oil return line is equipped with and is used for
Control the first switch control valve of the second oil return line on-off.
3. the tuning system of horizontal core drilling rig according to claim 1, which is characterized in that further include and the hydraulic horse
The withdrawing rope circuit being arranged in a one-to-one correspondence up to (1), for driving the hydraulic motor (1) forward or reverse so that the hydraulic strand
Vehicle active release rope or active rope closing.
4. the tuning system of horizontal core drilling rig according to claim 3, which is characterized in that the withdrawing rope circuit packet
It includes:
The first oil circuit (11) being connected with the actuator port A1 of the hydraulic motor (1)；
The second oil circuit (12) being connected with the actuator port B1 of the hydraulic motor (1)；
For supplying the main in-line (21) of oil liquid；
For being back to the main oil return line (22) of fuel tank for oil liquid；
Reversal valve (3), the oil inlet P 2 and oil return inlet T 2 of the reversal valve (3) respectively with the main in-line (21) and the master
Oil return line (22) is corresponding to be connected, the actuator port A2 and actuator port B2 of the reversal valve (3) respectively with first oil circuit
(11) it is connected with second oil circuit (12) correspondence.
5. the tuning system of horizontal core drilling rig according to claim 4, which is characterized in that the reversal valve (3) is three
Position and four-way reversing valve, and the Median Function of the three position four-way directional control valve is Y type, with when the reversal valve (3) is in middle position,
It is connected to the actuator port B1 with the main oil return line (22) by second oil circuit (12) and the reversal valve (3)；
The single hydraulic tuning circuit includes:
It is connected to the tuning oil return line (4) that first oil circuit (11) is connected with fuel tank, the tuning oil return line (4) is equipped with for adjusting
The pressure of the actuator port A1 is saved to control the second proportional pressure control valve (41) of the pulling force of the wirerope；
For controlling the second switch of the oil circuit on-off between the actuator port A2 of the reversal valve (3) and the actuator port A1
Control valve (5), avoided by controlling second switch control valve (5) disconnection when the reversal valve (3) is in middle position
The actuator port A1 is connected to by the reversal valve (3) with the main oil return line (22).
6. the tuning system of horizontal core drilling rig according to claim 4, which is characterized in that the reversal valve (3) be than
Proportional direction valve.
7. the tuning system of horizontal core drilling rig according to claim 4, which is characterized in that each withdrawing rope circuit
The main in-line (21) be connected with the same hydraulic pump (6).
8. the tuning system of horizontal core drilling rig according to claim 7, which is characterized in that further include described for being connected to
The oil outlet of hydraulic pump (6) and the pressure release circuit (7) of oil return box, the pressure release circuit (7) is equipped with returns for controlling the pressure release
The third switching control pilot (71) of road (7) on-off.
9. according to the tuning system of the described in any item horizontal core drilling rigs of claim 5-8, which is characterized in that further include:
Shuttle valve (8) for choosing pressure the higher person in the actuator port A1 and the actuator port B1, it is described
The first oil inlet P 41 and the second oil inlet P 42 of shuttle valve (8) respectively with first oil circuit (11) and second oil circuit (12)
It is corresponding to be connected；
It is connected with the oil outlet A4 of the shuttle valve (8), the pressure sensor (9) of pressure for detecting the oil outlet A4, with
When superpressure alarm.
10. a kind of horizontal core drilling rig, which is characterized in that including the described in any item horizontal core drilling rigs of claim 1-9
Tuning system.
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| CN201910871920.3A CN110513042B (en) | 2019-09-16 | 2019-09-16 | Horizontal coring drilling machine and direction adjusting system thereof |
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| CN201910871920.3A CN110513042B (en) | 2019-09-16 | 2019-09-16 | Horizontal coring drilling machine and direction adjusting system thereof |
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| Publication number | Publication date |
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| CN110513042B (en) | 2021-03-02 |
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