CN203570295U - Drilling machine and control system for same - Google Patents
Drilling machine and control system for same Download PDFInfo
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- CN203570295U CN203570295U CN201320554761.2U CN201320554761U CN203570295U CN 203570295 U CN203570295 U CN 203570295U CN 201320554761 U CN201320554761 U CN 201320554761U CN 203570295 U CN203570295 U CN 203570295U
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Abstract
The utility model provides a control system for a drilling machine. The control system for the drilling machine comprises a first control unit and a second control unit, wherein the first control unit is used for controlling a gripping device of the drilling machine, the gripping device is used for optionally clamping a drilling column or loosening from the drilling column, and the second control unit is used for controlling a rotating driving mechanism of the drilling machine. The rotating driving device comprises a transmission gearbox, and the transmission gearbox can provide different rotating speeds for the drilling machine. The control system for the drilling machine is characterized in that switching between different rotating speeds of the transmission gearbox of the rotating driving device can be triggered by signals output by the first control unit according to the state of the gripping device. The utility model further provides the drilling machine which comprises the first control unit used for controlling the gripping device and the second control unit used for controlling the transmission gearbox. Switching between different rotating speeds of the transmission gearbox can be triggered by the signals output by the first control unit according to the state of the gripping device.
Description
Technical field
The utility model relates to a kind of rig, relates in particular to a kind of horizontally-guided rig, relates more specifically to the control system for rig.
Background technology
Only technology as a setting of content is described in this part, and does not mean that one forms prior art surely.
For safety and aesthstic consideration, under the utility lines such as water, electricity, combustion gas, phone and limited TV are all laid in conventionally.Subsurface utility can be embedded in the groove of backfill subsequently sometimes.Yet trench digging expends time in, and also can damage existing building or road.Therefore, some technology, as more and more universal in horizontal orientation boring technology.
The rotating driving device of rig offers rotatablely moving of drill string along the sliding motion of frame and its makes drill string longitudinally enter in soil or from soil and exit jointly.
This rotating driving device is commonly referred to " rotary actuation ".Conventionally rotarily actuate and have two or more speed, the hydraulic coupling being provided under any given flow velocity and pressure by pump will be converted into according to the speed of selected rotary actuation different rotating speeds and the moment of torsion of drill string.Different rotating speeds can provide in a different manner.
The gripping mechanism of rig (for example vice) is positioned at the front portion of rig, by forward and backward gripping mechanism, formed, front and back gripping mechanism all can carry out holding drill pipe by hydraulic jack radial push slips, rear gripping mechanism can produce relative rotation with front gripping mechanism under the effect of hydraulic jack, and front and back coordinate so that dismounting drilling rod.
US5,018,351 discloses the rig that includes the rotary actuation that has used variable displacement motor.The angle of the rocker tilting by change realizes the change of motor capacity.
US2,978,043 disclose the rotating driving device that different rotating speeds is provided, and this device is to utilize clutch components to realize the switching between the first rotating speed and the second rotating speed.Yet this switching is by manual realization.When main operation person controls rig, at rig, during with high rotation speed operation, gearbox must switch to the slow-speed of revolution, just can realize upper button and the shackle of drilling rod, at this time also needs assistance operator manually to switch gearbox.So when increasing drilling rod to drill string or laying down drilling rod, gearbox all needs to switch.
But the operation of the handover operation of above-mentioned these speed-changing gear boxs and gripping mechanism is independent control, and the means of switching are also complicated, and cost is high, the gear shift operation of speed-changing gear box makes gear that more serious wearing and tearing occur.
Utility model content
The utility model is intended to overcome the problems referred to above that prior art exists.Provide improved speed-changing gear box on the one hand, a kind of control system of improved speed-changing gear box is provided on the other hand.
By above-mentioned feature, improved the joint easness between the gear of speed-changing gear box, reduced wearing and tearing, extended application life.
A control system for rig, comprising:
For controlling the first control module of the gripping mechanism of rig, described gripping mechanism selectively clamps drill string or unclamps from drill string; And
For controlling the second control module of the rotating driving device of rig, described rotating driving device comprises speed-changing gear box, and described speed-changing gear box can provide different rotating speeds for rig;
The switching of the described speed-changing gear box that it is characterized in that described rotating driving device between different rotating speeds can be triggered by the signal of described the first control module output according to the state of described gripping mechanism.
Described control system comprises the first change-over switch, when described gripping mechanism will be performed holding action, by described the first control module of controlling described gripping mechanism, send signal to trigger described the first change-over switch, make to control the described second control module no power of described rotating driving device, thereby the described speed-changing gear box of described rotating driving device is switched under the slow-speed of revolution and moves by the high rotating speed from two different rotating speeds.
Described control system also comprises the second change-over switch, and when described gripping mechanism is under releasing orientation, described speed-changing gear box can independently be controlled to switch between different rotating speeds by described the second change-over switch.
Described the first control module comprises for the first pump of power, the first hydraulic cylinder, the first reversal valve and the first safety overflow valve for described gripping mechanism is performed an action being provided to described gripping mechanism; Described the second control module comprises for the second pump of power, the second hydraulic cylinder, the second reversal valve and the second safety overflow valve for the described speed-changing gear box of described rotating driving device is switched between two different rotating speeds being provided to described rotating driving device.
By above-mentioned feature, the speed-changing gear box of having realized rig can be prevented from occurring maloperation when needs load and unload drilling rod and cause gripping mechanism and drill string to be damaged from becoming at a high speed low speed automatically according to the state of gripping mechanism.
The utility model also provides a kind of rig, comprising:
Gripping mechanism, described gripping mechanism selectively clamps drill string or unclamps from drill string;
Rotating driving device, described rotating driving device is connected on drill string for providing and rotatablely move to drill string, and described rotating driving device comprises speed-changing gear box, and described speed-changing gear box can provide different rotating speeds for rig;
For controlling the first control module of gripping mechanism; And
For controlling the second control module of described speed-changing gear box;
It is characterized in that the switching of described speed-changing gear box between different rotating speeds can be triggered by the signal of described the first control module output according to the state of described gripping mechanism.
Described control system comprises the first change-over switch, when described gripping mechanism will be performed holding action, by described the first control module of controlling described gripping mechanism, send signal to trigger described the first change-over switch, make to control the described second control module no power of described rotating driving device, thereby the described speed-changing gear box of described rotating driving device is switched under the slow-speed of revolution and moves by the high rotating speed from two different rotating speeds.
Described rig also comprises the second change-over switch, and when described gripping mechanism is under releasing orientation, described speed-changing gear box can independently be controlled to switch between different rotating speeds by described the second change-over switch.
Described the first control module comprises for the first pump of power, the first hydraulic cylinder, the first reversal valve and the first safety overflow valve for described gripping mechanism is performed an action being provided to described gripping mechanism; Described the second control module comprises for the second pump of power, the second hydraulic cylinder, the second reversal valve and the second safety overflow valve for the described speed-changing gear box of described rotating driving device is switched between two different rotating speeds being provided to described rotating driving device.
Described speed-changing gear box comprises:
For the input element being connected with motor;
For the output element being connected with the drill string of rig;
Be connected to first, second teeth parts between described input element and described output element; And
Connector, described connector can provide the primary importance of the first rotating speed and engage between the second place that the second rotating speed is provided to drill string thus and move with described the second teeth parts thus engaging with described the first teeth parts to drill string;
Wherein, described connector and described first, second teeth parts are arranged so that the composition surface forming respectively at described connector and described first, second teeth parts extends along rotation direction.
Described connector and described first, second teeth parts are provided with the key of interlaced arrangement on corresponding described composition surface, to just have at least one key shortening along described rotation direction aspect its length at interval of the key of some.
Key on the composition surface that described connector engages with described first, second teeth parts along with the perpendicular direction of rotation direction for inwardly arranging, the key on the composition surface that described first, second teeth parts engage with described connector along with the perpendicular direction of rotation direction be outside layout.
Selectively, the height of the key of described connector and described first, second teeth parts is constant.
At least twice of the height that preferably, the key length of described connector and described first, second teeth parts is key.
Preferably, the ratio of described connector and the key of the shortening of described first, second teeth parts and the key length not shortening is greater than 0.7 and be less than 1.
More preferably, described connector is 0.8 with the key of the shortening of described first, second teeth parts with the ratio of the key length not shortening.
The key of described connector and described first, second teeth parts just has a key along described rotation direction, shortening aspect its length at interval of a key.
The key of the shortening on the composition surface of described connector and the key not shortening form chamfering in its both end sides; And that one end that the key of the key of the shortening on the composition surface of described first, second teeth parts and not shortening engages with described connector at it forms chamfering.
Described connector moves between described primary importance and the described second place in the mode of sliding.
Described rig is horizontally-guided rig.
By above-mentioned feature, also improved the joint easness between the gear of speed-changing gear box, reduced wearing and tearing, extended application life.
Accompanying drawing explanation
By the description referring to accompanying drawing, it is easier to understand that the feature and advantage of one or several embodiment of the present utility model will become, wherein:
Fig. 1 is the structural representation of mean level directional drill;
Fig. 2 is the decomposing schematic representation of the rotating driving device of rig;
Fig. 3 is the schematic diagram under the confined state of rotating driving device of rig;
Fig. 4 is the schematic diagram under the confined state of rotating driving device of rig, wherein includes speed-changing gear box and the switching device shifter thereof of rotating driving device of the present utility model;
Fig. 5 (a) and Fig. 5 (b) are respectively according to the sectional view of the connector of embodiment of the present utility model and stereogram;
Fig. 6 (a) and Fig. 6 (b) are respectively according to the lateral view of the high gear of embodiment of the present utility model and stereogram;
Fig. 7 (a) and Fig. 7 (b) are respectively according to the lateral view of the low-speed gear of embodiment of the present utility model and stereogram;
Fig. 8 (a) and Fig. 8 (b) are respectively the gearshift of prior art and the schematic diagrames of gearshift of the present utility model of speed-changing gear box;
Fig. 9 (a), Fig. 9 (b), Fig. 9 (c) has shown according to the schematic diagram of the improved control system of the utility model.
The specific embodiment
To the description of the specific embodiment, be only exemplary below, and be never the restriction to the utility model and application thereof.In these accompanying drawings, identical element has identical label.
Although following content is to take the description that horizontally-guided rig carries out as example, be understandable that, below described content be also applicable to the rig of other types.
Totally, with reference to Fig. 1, common horizontally-guided rig 10 comprises: a pair of crawler belt 16, and described a pair of crawler belt 16 rotates with mobile described rig; Frame 15; Be arranged on the rotating driving device 100 that can slide along the frame longitudinal axis in described frame 15.Rotating driving device 100 is suitable for making drill string around the longitudinal axis rotation of self.Drill string is comprised of the drilling rod interconnecting.Described rotating driving device 100 makes drill string longitudinally enter in soil or from soil and exit along the sliding motion of frame 15 and the rotation of drill string jointly.
In a typical horizontal orientation drilling operation, horizontally-guided rig 10 is by become a fixed inclination ground boring earthward with ground surface.During holing, drilling fluid can be transported to by drill string the boring tool (for example drill bit) on drill string top, and can return by boring, to remove cutting material and dirt.After drill bit reaches certain depth desired, drill bit is directed along a substantially horizontal path immediately, to form lateral aperture.After the drilled length to expecting in hole, make drill bit upward, penetrate ground surface.Then start the program that retracts.During retracting program, first to drill string, load onto a reamer, then drill bit group is retracted by boring.Along with drill string is pulled, reamer expands this boring.Conventionally utility lines or other pipelines are attached on drill string, like this, these pipelines can be pulled and through hole together with reamer.
Described rig 10 also comprises gripping mechanism 200, and described gripping mechanism 200 comprises the first gripping mechanism 210 that is also referred to as front gripping mechanism and the second gripping mechanism 220 that is also referred to as rear gripping mechanism.Thereby described the first gripping mechanism 210 and described the second gripping mechanism 220 are configured to relative to each other rotate to disconnect the connection dismounting drilling rod between drilling rod and drill string around drill string axis with respect to anchor portion, thereby or drilling rod is screwed to the installation that realizes drilling rod on drill string.For example, when the first gripping mechanism 210 maintenances are fixing, the second gripping mechanism 220 rotations.In described embodiment, utilize hydraulic cylinder to control the action of the first gripping mechanism 210 and the second gripping mechanism 220.
The rotating driving device 100 that many rotary rigs use is fluid power systems, and described fluid power system is connected to the hydraulic fluid that receives the pressurization of self-pumping on hydraulic pump, and the flow velocity of fluid is controlled by operator conventionally.These fluid power systems convert fluid pressure to revolving force and make drill string rotating.This fluid power system is commonly referred to " rotary actuation ".Conventionally " rotary actuation " has two or more speed, and the fluid pressure being provided under any given flow velocity and pressure by pump will be converted into according to the speed of selected rotary actuation different rotating speeds and the moment of torsion of drill string.Under the slow-speed of revolution, drilling rod can obtain sizable moment of torsion and carry out the assembling of drilling rod, and under high rotating speed, drilling rod can be realized the drilling operation to ground efficiently.
With reference to Fig. 2-4, rotating driving device 100 is carried out to relevant detailed description below.In described embodiment, rotating driving device 100 comprises: for the motor 101 of power is provided, for the input element 105 being connected with motor 101; For the output element 110 being connected with the drill string of rig; Gear between described input element 105 and described output element 110.Motor 101 arrives input element 105 by transmission of power, described gear 104 and 106 is axially arranged on input element 105 and utilizes the key of inner surface and the key on input element 105 external surfaces forms composition surface, input element 105 utilize its with gear 104 and 106 between engagement transmission rotary power.The gear 114 and 116 different from the number of teeth is intermeshing respectively with 106 for gear 104.Gear 114 provides correspondingly underneath drive ratio and high transmission ratio thus because the number of teeth is different with 116.Gear 114 with 116 along second axis parallel with first axle and utilize bearing 115,119 and spacer 113,117 is axially arranged on output element 110.For realizing the coupling 131 that rotary power switches between the first rotating speed and the second rotating speed, be arranged between gear 114 and 116, and engage with the field of conjugate action 111 on output element 110 by travelling gear 121.The gear being comprised of upper component utilizes spacer 102,112, and end cap 130,140 is assemblied on gearbox body.
As above, the switching of described gearbox between the first rotating speed and the second rotating speed realizes by connector 131.Described connector 131 is axially arranged on travelling gear 121 and utilizes key and the engagement of the key on travelling gear 121 external surfaces on its inner surface, the key engagement on the field of conjugate action 111 of the key on travelling gear 121 inner surfaces and output element 110 peripheries.When connector 131 is moved to the left to, is connected across between travelling gear 121 and gear 116 abutting ends or moves right to while being connected across between travelling gear 121 and gear 114 abutting ends, the rotary power from motor 101 passes through input element 105 successively, gear 104,106, gear 114,116, connector 131, travelling gear 121 and output element 110, thereby the gearratio providing with gear 114 or the gearratio providing with gear 116 are delivered to drill string by rotary power, to drill string, provide corresponding the first rotating speed and the second rotating speed thus.
With reference to Fig. 5 (a) and 5(b), described connector 131 has outer engagement surface 1312 and interior composition surface 1310, on composition surface 1310, along rotation direction, be formed with at the key 1314(not shortening aspect length hereinafter referred to as " long key " within it) and the key 1316(that shortens hereinafter referred to as short key), long key 1314 is inwardly arranged along the direction vertical with rotation direction with short key 1316, namely radially inwardly arrange, and, long key 1314 and short key 1316 are intervally installed, short key 1316 length with gear 114, the inside indentation of long key 1314 is compared at 116 two ends that engage.
With reference to Fig. 6 (a) and 6(b), gear 116 has outer engagement surface 1162 and 1163, the lip-deep key of outer engagement of the key on outer engagement surface 1162 and gear 106 is intermeshing, and the key on outer engagement surface 1163 is meshed with long key 1314 and short key 1316 on connector 131 when connector 131 slides into right side.For the long key 1314 on the interior composition surface 1310 with described connector 131 and short key 1316 mesh better, preferably, on the outer engagement surface 1163 of described gear 116, be also correspondingly designed with the long key 1164 and the short key 1166 that are alternately arranged with each other, the inside indentation in that one end that the length of short key 1166 engages with connector 131 at it.Long key 1164 and short key 1166 along with the perpendicular direction of rotation direction be outside layout, namely along radial direction, outwards arrange.
With reference to Fig. 7, gear 114 has outer engagement surface 1142 and 1143, the lip-deep key of outer engagement of the key on outer engagement surface 1142 and gear 104 is intermeshing, and the key on outer engagement surface 1143 is meshed with long key 1314 and short key 1316 on connector 131 when connector 131 slides into left side.For the long key 1314 on the interior composition surface 1310 with described connector 131 and short key 1316 mesh better, preferably, on the outer engagement surface 1143 of described gear 114, be also correspondingly designed with the long key 1144 and the short key 1146 that are alternately arranged with each other, the inside indentation in that one end that the length of short key 1146 engages with connector 131 at it.Long key 1144 and short key 1146 along with the perpendicular direction of rotation direction be outside layout, namely along radial direction, outwards arrange.
Preferably, at interval of a long key, a short key is set, but understandably, at interval of several long keys, a short key is set or several short key is also selectable scheme.
As shown in the Examples, described connector 131 can be that it is highly constant with the design of the length key of described gear 114 and 116, and its length is at least twice of height.The ratio of short key and long key length is greater than 0.7 and be less than 1, is preferably 0.8.
More preferably, the long key of described connector 131 and short key be in its two outer distolateral formation chamfering, and/or that one end that the long key of described gear 114,116 and short key engage with described connector 131 at it forms chamfering.
Design by this length key, improve coupling 131 slips and moved to left side and right side and gear 114,116 carry out the easness of interlock, the mutual wearing and tearing between key have been reduced, increased the interlock number of times between key, thereby improved speed-changing gear box traveling comfort, extended its application life.Length key forms chamfering in its end and has further improved above-mentioned technique effect.
As described in background technology, the switching between gearbox friction speed is generally manual switchover.As shown in Figure 8 (a), gearshift 300 comprises handle 310, connecting rod 304, and shift fork 302, connecting rod 304 is connected with shift fork 302 with handle 310, and in two ends are assemblied in sleeve pipe 306 and 308.By the position of joystick 310, connecting rod 304 is moved left and right, thereby realize the change in location of shift fork 302.The control system that the utility model provides a kind of hydraulic pressure and electricity to combine at this realizes for example, switching between friction speed (top gear and low or first gear).This control system can make gearbox automatically switch to low or first gear when gripping mechanism 200 will be carried out clamping operation, thereby in the process of handling drilling rod, drill string is with low cruise, therefore obtains reliably maximum moment of torsion.
Operating room 18(at rig 10 is shown in Fig. 1), operating personnel can control by operating desk that rig runs up or low-speed running, and also can control gripping mechanism 200 by operating desk is to carry out the action of holding drill pipe or the action of unclamping drilling rod.Here, by provide a kind of logic control system make the state of gripping mechanism 200 and the rotating speed of rig interrelated.To the related content of this logic control system and the device that is mutually related thereof be described in detail below.
With reference to Fig. 8 (b), the switching of speed-changing gear box between the first gearratio and the second gearratio (being top gear and low or first gear) utilizes gearshift 400 to carry out.Gearshift 400 comprises hydraulic cylinder 410 particularly, and described hydraulic cylinder 410 is fixed in a gripper shoe 412, and the latter will be fixed on gearbox body.Described hydraulic cylinder 410 is connected with the control module for control gear gearbox, and this control module is controlled the cylinder bar of hydraulic cylinder 410 in stretching out state or retracted mode.Cylinder bar is fixedly connected with connecting rod 404, and the shift fork 402 being connected with connector 131 with method of clamping is fixedly attached on connecting rod 404.The axial two ends of connecting rod 404 are installed in sleeve 406,408.When speed-changing gear box control module activates cylinder bar in described hydraulic cylinder 404 and inwardly compresses, shift fork 402 is moved to high gear, and described drill string moves under fast state.Referring to Fig. 4, when hydraulic cylinder 404 does not activated, when cylinder bar is protruding thus, shift fork 402 is moved to low gear, and drill string moves under the low speed thus, now can carry out the mounting or dismounting operation of drilling rod.
The work of the gripping mechanism 200 of above-mentioned rig also can utilize hydraulic cylinder to operate, and when the cylinder bar of hydraulic cylinder is under compressive state, the slips of gripping mechanism 200 is carried out and advanced action, implements thus the action of clamping drill string; When the cylinder bar of hydraulic cylinder is in stretching out under state, the slips of gripping mechanism 200 will unclamp drill string.
See Fig. 9 (a), Fig. 9 (b) and Fig. 9 (c), the utility model is operationally associated together the duty of the rotation status of rig and gripping mechanism 200.Control module as shown in the figure, has comprised the control module (or control loop) that is respectively used to gripping mechanism 200 and rotating driving device 100.In described embodiment, be provided with controller, for example electric switch 5 and 5', the equal ground connection of electric switch 5 and 5'.The first pump 1 being driven by power source is used to the first hydraulic cylinder 4 of gripping mechanism 200 that hydraulic power is provided, and for the first four-way change-over valve 3 that the oil circuit of gripping mechanism is switched and the first safety overflow valve 2 in security consideration setting and the first pump 1 and the first hydraulic cylinder 4, interconnects.The the second pump 1' being driven by power source is used to the second hydraulic cylinder 4' of the gearshift 400 of control gear gearbox that hydraulic power is provided, and for the second four-way change-over valve 3' that gearshift is switched and the second safety overflow valve 2' in security consideration setting and the second pump 1' and the second hydraulic cylinder 4', interconnects.
Under the state running up at rig, if while intending mounting or dismounting drilling rod, operator is switched to primary importance (seeing Fig. 9 (a)) at operating room 18 by electric switch 5, for the loop of gripping mechanism in "on" position, reversal valve 3 obtains electric, hydraulic cylinder 4 activates, cylinder bar is retracted, gripping mechanism is in clamp position, now, because the loop of controlling gearshift is in power failure state, no matter electric switch 5' is in which kind of state, be used for the reversal valve 3' of gearshift all in power failure state, the cylinder bar auto-extending of hydraulic cylinder 5', speed-changing gear box is from the High-Speed Automatic low speed that becomes, now, speed-changing gear box output high pulling torque, conveniently assemble and disassemble drilling rod.
After drilling rod completed loading, need rig to turn back under its normal fast state, only electric switch 5 need be switched to the second place (seeing Fig. 9 (b)), control the loop power-off of gripping mechanism 200, reversal valve 3 dead electricity, hydraulic cylinder 4 is in relaxation state, and cylinder bar stretches out, and gripping mechanism is in releasing orientation.The now loop of control gear gearbox energising, reversal valve 3' obtains electric, and hydraulic cylinder 4' is in compressive state, and cylinder bar is retracted, and gearshift is switched under fast state and continues to move.
Referring to Fig. 9 (c), electric switch 5 makes in making gripping mechanism power-off in the situation of gearshift in energising, if closed electrical switch 5', reversal valve 3' obtain electric, hydraulic cylinder 4' work, cylinder bar is retracted, gearbox becomes high gear, cut-off switch 5', reversal valve 3' dead electricity, the cylinder bar of hydraulic cylinder stretches out, and gearbox becomes low gear.
That is to say, at gearshift during in high gear, trigger switch 5, gripping mechanism 200 actions, gearshift carries out the switching from high gear to low gear immediately.At gearshift, during in low gear, gripping mechanism 200 is carried out holding actions, and gearshift is without carrying out gear shift operation.
By above-mentioned control system, make operator when intending to carry out drilling rod charge and discharge operations, no longer resemble over rotating driving device to be moved back to and carry out afterwards manual switchover at one's side, make rig from becoming at a high speed low speed, and then carry out the mounting or dismounting operation of drilling rod, but directly in operating room, carry out a key operation and make rig automatically from becoming low speed at a high speed, thus, improved the convenience of operation and improved operating efficiency, and having prevented that maloperation from be damaged gripping mechanism and drill string.
Although described various embodiment of the present utility model in detail at this, but should be appreciated that the utility model is not limited to the specific embodiment of describing in detail and illustrating here, in the situation that not departing from essence of the present utility model and scope, can be realized by those skilled in the art other modification and variant.All these modification and variant all fall in scope of the present utility model.And all members described here can be replaced by the member being equal in other technologies.
Claims (19)
1. for a control system for rig, comprising:
For controlling the first control module of the gripping mechanism of rig, described gripping mechanism selectively clamps drill string or unclamps from drill string; And
For controlling the second control module of the rotating driving device of rig, described rotating driving device comprises speed-changing gear box, and described speed-changing gear box can provide different rotating speeds for rig;
The switching of the described speed-changing gear box that it is characterized in that described rotating driving device between different rotating speeds can be triggered by the signal of described the first control module output according to the state of described gripping mechanism.
2. control system according to claim 1, it is characterized in that described control system comprises the first change-over switch, when described gripping mechanism will be performed holding action, by described the first control module of controlling described gripping mechanism, send signal to trigger described the first change-over switch, make to control the described second control module no power of described rotating driving device, thereby the described speed-changing gear box of described rotating driving device is switched under the slow-speed of revolution and moves by the high rotating speed from two different rotating speeds.
3. control system according to claim 1, characterized by further comprising the second change-over switch, when described gripping mechanism is under releasing orientation, described speed-changing gear box can independently be controlled to switch between different rotating speeds by described the second change-over switch.
4. according to control system claimed in claim 1, it is characterized in that described the first control module comprises for the first pump of power, the first hydraulic cylinder, the first reversal valve and the first safety overflow valve for described gripping mechanism is performed an action are provided to described gripping mechanism; Described the second control module comprises for the second pump of power, the second hydraulic cylinder, the second reversal valve and the second safety overflow valve for the described speed-changing gear box of described rotating driving device is switched between two different rotating speeds being provided to described rotating driving device.
5. a rig, comprising:
Gripping mechanism, described gripping mechanism selectively clamps drill string or unclamps from drill string;
Rotating driving device, described rotating driving device is connected on drill string for providing and rotatablely move to drill string, and described rotating driving device comprises speed-changing gear box, and described speed-changing gear box can provide different rotating speeds for rig;
For controlling the first control module of gripping mechanism; And
For controlling the second control module of described speed-changing gear box;
It is characterized in that the switching of described speed-changing gear box between different rotating speeds can be triggered by the signal of described the first control module output according to the state of described gripping mechanism.
6. rig according to claim 5, it is characterized in that described control system comprises the first change-over switch, when described gripping mechanism will be performed holding action, by described the first control module of controlling described gripping mechanism, send signal to trigger described the first change-over switch, make to control the described second control module no power of described rotating driving device, thereby the described speed-changing gear box of described rotating driving device is switched under the slow-speed of revolution and moves by the high rotating speed from two different rotating speeds.
7. rig according to claim 5, characterized by further comprising the second change-over switch, and when described gripping mechanism is under releasing orientation, described speed-changing gear box can independently be controlled to switch between different rotating speeds by described the second change-over switch.
8. according to control system claimed in claim 1, it is characterized in that described the first control module comprises for the first pump of power, the first hydraulic cylinder, the first reversal valve and the first safety overflow valve for described gripping mechanism is performed an action are provided to described gripping mechanism; Described the second control module comprises for the second pump of power, the second hydraulic cylinder, the second reversal valve and the second safety overflow valve for the described speed-changing gear box of described rotating driving device is switched between two different rotating speeds being provided to described rotating driving device.
9. rig according to claim 5, is characterized in that described speed-changing gear box comprises:
For the input element being connected with motor;
For the output element being connected with the drill string of rig;
Be connected to first, second teeth parts between described input element and described output element; And
Connector, described connector can provide the primary importance of the first rotating speed and engage between the second place that the second rotating speed is provided to drill string thus and move with described the second teeth parts thus engaging with described the first teeth parts to drill string;
Wherein, described connector and described first, second teeth parts are arranged so that the composition surface forming respectively at described connector and described first, second teeth parts extends along rotation direction.
10. rig according to claim 9, it is characterized in that described connector and described first, second teeth parts are provided with the key of interlaced arrangement on corresponding described composition surface, to just have at least one key shortening along described rotation direction aspect its length at interval of the key of some.
11. rigs according to claim 9, it is characterized in that key on composition surface that described connector engages with described first, second teeth parts along with the perpendicular direction of rotation direction for inwardly arranging, the key on the composition surface that described first, second teeth parts engage with described connector along with the perpendicular direction of rotation direction be outside layout.
12. rigs according to claim 9, the height that it is characterized in that the key of described connector and described first, second teeth parts is constant.
13. rigs according to claim 12, at least twice of the height that the key length that it is characterized in that described connector and described first, second teeth parts is key.
14. rigs according to claim 9, the ratio that it is characterized in that described connector and the key of the shortening of described first, second teeth parts and the key length not shortening is greater than 0.7 and be less than 1.
15. rigs according to claim 14, is characterized in that described connector and the key of the shortening of described first, second teeth parts are 0.8 with the ratio of the key length not shortening.
16. rigs according to claim 9, is characterized in that the key of described connector and described first, second teeth parts just has a key along described rotation direction, shortening aspect its length at interval of a key.
17. rigs according to claim 9, is characterized in that the key of the shortening on the composition surface of described connector and the key that do not shorten forms chamfering in its both end sides; And that one end that the key of the key of the shortening on the composition surface of described first, second teeth parts and not shortening engages with described connector at it forms chamfering.
18. rigs according to claim 9, is characterized in that described connector moves between described primary importance and the described second place in the mode of sliding.
19. rigs according to claim 5, is characterized in that described rig is horizontally-guided rig.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320554761.2U CN203570295U (en) | 2013-09-06 | 2013-09-06 | Drilling machine and control system for same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320554761.2U CN203570295U (en) | 2013-09-06 | 2013-09-06 | Drilling machine and control system for same |
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| CN203570295U true CN203570295U (en) | 2014-04-30 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104453844A (en) * | 2014-11-14 | 2015-03-25 | 三一重型装备有限公司 | Drill boom control system and drill loader |
| CN105484667A (en) * | 2016-01-06 | 2016-04-13 | 无锡凯通钻具有限公司 | Guiding and steering method of broad-spectrum type rock crossing guiding drill bit |
| CN105484664A (en) * | 2016-01-06 | 2016-04-13 | 无锡凯通钻具有限公司 | Power output time-share driving method for drilling machine |
-
2013
- 2013-09-06 CN CN201320554761.2U patent/CN203570295U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104453844A (en) * | 2014-11-14 | 2015-03-25 | 三一重型装备有限公司 | Drill boom control system and drill loader |
| CN105484667A (en) * | 2016-01-06 | 2016-04-13 | 无锡凯通钻具有限公司 | Guiding and steering method of broad-spectrum type rock crossing guiding drill bit |
| CN105484664A (en) * | 2016-01-06 | 2016-04-13 | 无锡凯通钻具有限公司 | Power output time-share driving method for drilling machine |
| CN105484664B (en) * | 2016-01-06 | 2018-11-02 | 无锡凯通钻具有限公司 | A kind of drilling machine power output timesharing driving method |
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| ASS | Succession or assignment of patent right |
Owner name: TIANJIN WEIMENG MACHINERY MANUFACTURING CO., LTD. Free format text: FORMER OWNER: BEIJING WEIMENG MACHINERY MANUFACTURING CO., LTD. Effective date: 20150630 |
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| C41 | Transfer of patent application or patent right or utility model | ||
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Effective date of registration: 20150630 Address after: 301712 Tianjin city Wuqing District Fuyuan Road No. 18 Keihin Industrial Park Patentee after: TIANJIN VERMEER MACHINERY MANUFACTURING CO.,LTD. Address before: No. 20 Wansheng South Street, Liyuan Town, Beijing, Tongzhou District Patentee before: Beijing Weimeng Machinery Manufacturing Co.,Ltd. |
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| CX01 | Expiry of patent term |
Granted publication date: 20140430 |
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