CN102465694A - Automatic reset system of rotary drilling rig - Google Patents
Automatic reset system of rotary drilling rig Download PDFInfo
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- CN102465694A CN102465694A CN2010105427236A CN201010542723A CN102465694A CN 102465694 A CN102465694 A CN 102465694A CN 2010105427236 A CN2010105427236 A CN 2010105427236A CN 201010542723 A CN201010542723 A CN 201010542723A CN 102465694 A CN102465694 A CN 102465694A
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- drilling rig
- rotary drilling
- safety device
- parallel linkage
- automatic reset
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Abstract
The invention provides an automatic reset system of a rotary drilling rig. The automatic reset system comprises a state detector and a control device, wherein the state detector is used for detecting a current state parameter of a parallel connecting rod mechanism of the rotary drilling rig; and the control device is used for comparing a stored reset state parameter with a current state parameter from the state detector after receiving a reset command, and stopping the movement of the parallel connecting rod mechanism under the condition that comparison results are consistent. The automatic reset system is characterized by also comprising an operation range detector and a safety device connected with the operation range detector, wherein the operation range detector is used for detecting an operation range of the rotary drilling rig and sending a detection result to the safety device; and the safety device is used for comparing the detection result with the prestored operation range threshold and stopping the movement of the parallel connecting rod mechanism when the detection result reaches the operation range threshold.
Description
Technical field
The present invention relates to the rotary drilling rig in the constructional engineering machinery, particularly relate to Excavating bucket is turned back to from the casting position when excavating the position, the position of Excavating bucket is turned back to the automatic reset system of the rotary drilling rig of former excavation position through parallel linkage.
Background technology
Rotary drilling rig is on ground, to excavate the machinery that is used to construct basic vertical core, in rotary drilling rig, except excavating the type of boring in suspension on the arm, also has the guide rod of outfit and makes apparatus for work go up and down to carry out the type of basement excavation.The rotary drilling rig that is equipped with guide rod possesses parallel linkage shown in Figure 16, and it adjusts the position of guide rod 5 in the horizontal direction under the state of the attitude of the guide rod 5 that keeps having installed apparatus for work.Be described in detail later the details of rotary drilling rig.
In rotary drilling rig shown in Figure 1, in the basement excavation operation, need in Excavating bucket 25, fill the casting operation of interrupting digging operation, discharging the excavation soil in the Excavating bucket 25 interim when excavating soil.Wherein, after Excavating bucket 25 is upwards mentioned from ground, make the rotation of rotary drilling rig body, ground or ready truck to the rotary drilling rig next door carry out casting.At this moment, make parallel linkage 6 distortion that Excavating bucket 25 is moved to the position away from the rotary drilling rig body.The distortion of this parallel linkage 6 is caused moves, and keeps the attitude of guide rod 5, becomes the moving to horizontal direction of moving of following above-below direction.Therefore, return the excavation center once more for making Excavating bucket 25, need carry out through rotary drilling rig rotation and through parallel linkage 6 guide rod 5 is moved in the horizontal direction make Excavating bucket 25 with excavate Centered so-called to core.
Under the situation of returning the excavation center after the casting of Excavating bucket 25, drive the go forward side by side operator of line operate of rotary drilling rig and be difficult to the excavation center returned in the position of Excavating bucket 25 through visual independence to core.That is, make parallel linkage 6 actions, make Excavating bucket 25 move the location of carrying out in the horizontal direction,, therefore it seems to be difficult to the distance perspective before and after being difficult to grasp confirm from the operator because Excavating bucket 25 and excavation center point-blank overlap.Therefore, to the core operation time, need stand in the partner that the position relation at the Excavating bucket 25 and the center of excavation is confirmed on rotary drilling rig next door, the operator operates rotary drilling rig according to this partner's indication, carry out with Excavating bucket 25 return the excavation center to core.Therefore, carrying out continually under the situation of the casting in the digging operation, the operator must accept partner's indication at every turn, becomes very miscellaneous operation.
For addressing the above problem, a kind of automatic reset system that can make parallel linkage return to the rotary drilling rig of specific original operating state is disclosed in patent documentation 1.But, concerning rotary drilling rig itself,, when carrying out casting, have the boundary of job area from the consideration of aspects such as stability or intensity.Existing rotary drilling rig under automatic reset system breaks down and can't the situation of operate as normal, causes the accident thereby might exceed job area.
[patent documentation 1] TOHKEMY 2005-97888 communique
Summary of the invention
The present invention is proposed in order to address the above problem; Its purpose is; In the automatic reset system of the rotary drilling rig that can make the specific original operating state of parallel mechanism recovery, the action that can keep in the job area boundary and the function that under the situation of this automatic reset system irregular working, also can guarantee not exceed job area are provided.
To achieve these goals, the automatic reset system of the rotary drilling rig of first mode of the present invention has: state detector is used to detect the current state parameter of the parallel linkage of rotary drilling rig; Control device is used for: after receiving reset instruction, with the reset mode parameter of storage with compare from the said current state parameter of said state detector, be under the condition of unanimity at comparative result, stop the motion of said parallel linkage.Said automatic reset system also comprises: job area detector and coupled safety device; Said job area detector is used for: detect the job area of said rotary drilling rig, and testing result is sent to said safety device; Said safety device; Be used for: the job area threshold value of said testing result with storage in advance compared, when said testing result reaches said job area threshold value, stop the motion of said parallel linkage.
In addition; The automatic reset system of second mode of the present invention; Wherein, said control device links to each other with control valve respectively with said safety device, and said control valve is arranged on the oil circuit of the lift cylinders that is used to promote said parallel linkage; Said control device and said safety device turn-off said oil circuit through said control valve respectively and stop said lift cylinders, thereby stop the motion of said parallel linkage.
In addition, the automatic reset system of Third Way of the present invention, wherein; Said job area detector is the critical angle sensor; It is installed on the luffing boom that constitutes said parallel linkage, and the angle that detects this luffing boom sends to said safety device as testing result.
In addition, the automatic reset system of cubic formula of the present invention, wherein; Said job area detector is a stroke sensor; It is installed on the said lift cylinders that makes said parallel linkage action, and the stroke that detects this lift cylinders sends to said safety device as testing result.
According to the present invention, have following effect:
Automatic reset system of the present invention can prevent that through safety device rotary drilling rig from exceeding the safety work zone, it is hereby ensured safety.And, because safety device and control device work alone,, also can before having an accident, stop safely even therefore control device breaks down or carried out wrong setting.
In addition, because control device and safety device in the automatic reset system are separate, so control logic becomes simply, and is with low cost and can improve reliability.And safety device itself also can utilize the inclination angle restraint device of other industrial machinery etc.
Description of drawings
Fig. 1 is the overall diagram with rotary drilling rig of guide rod.
Fig. 2 is the block diagram of the automatic reset system of rotary drilling rig.
Fig. 3 is the digging operation figure (excavation position) of rotary drilling rig.
Fig. 4 is the digging operation figure (casting position) of rotary drilling rig.
The specific embodiment
Below, with reference to an embodiment of the automatic reset system of description of drawings rotary drilling rig of the present invention.
At first, Fig. 1 is the overall diagram with rotary drilling rig of guide rod.Rotary drilling rig 1 can have rotatable upper rotating body 3 on the lower running body 2 through the crawler walking, and this upper rotating body 3 possesses driver's cabin and oleo unit etc.
On upper rotating body 3, possess parallel linkage 6, this parallel linkage 6 is made up of following each one: an end is arranged by 3 supports of upper rotating body respectively, the luffing boom 11 and the lifting linking member 12 of configuration parallel to each other; The other end to luffing boom 11 and lifting linking member 12 carries out the triangle-frame 13 that axle supports respectively; And lift cylinders 14.Axle supporting elevation cylinder 14 makes the parallel rod alteration of form through its expanding-contracting action between luffing boom 11 and upper rotating body 3.On triangle-frame 13, through forwards outstanding bracket axle support guide rod 5, in addition, an end is also supported by axle on said triangle-frame 13 by the other end of the back up cylinder 7 of 5 supports of guide rod.Therefore, support from the rear to guide rod 5 through back up cylinder 7, guide rod 5 is through the elongation action of back up cylinder 7, and the state of erecting that becomes as shown in the figure in addition, through the contractive action of back up cylinder 7, becomes to the accompanying drawing right side, is the state of rear lodging.
On the guide rod that erects 5, the drive unit 21 as apparatus for work has been installed with liftable mode.That is, guide rod 5 has guiding tube 15 in its left and right sides along axis direction, and drive unit 21 is mounted with the mode that embeds the guiding rail 22 that can slide with respect to this guiding tube 15.Drive unit 21 is from quill shaft output rotating torques, accepts the mode of rotating torques drilling rod 23 has been installed to run through this quill shaft.And, being provided with guiding rail 24 in the upper end of this drilling rod 23, it slides on guiding tube 15, and thus, drilling rod 23 goes up and down under the state parallel with guide rod 5.
Be provided with top sheave 16 in the upper end of guide rod 5, hang through the lift rope of seeing off via this top sheave 16 17 and establish drilling rod 23.See this lift rope 17 off from the hoist engine that is arranged on the upper rotating body 3,, see drilling rod 23 off perhaps with drilling rod 23 pull-ups to descent direction through the uncoiling or the warp of hoist engine.And, in the lower end of this drilling rod 23 Excavating bucket 25 has been installed, it is packed into when rotation undermines and excavates soil.
On this rotary drilling rig 1, automatic reset system has been installed, after it makes Excavating bucket 25 move in the digging operation process, has been made the axle center of drilling rod 23 return the center of excavated hole once more.
Next, in conjunction with accompanying drawing, the effect of automatic reset system of the rotary drilling rig 1 of this embodiment is described.At first, rotary drilling rig 1 is described below and bores native digging operation.Fig. 3 and Fig. 4 represent that this bores the sketch map of native digging operation.
In boring native digging operation, at first, sleeve pipe 26 is configured in the excavation position, be used for inserting therein Excavating bucket 25.Then, rotary drilling rig 1 gets into job position through the walking of lower running body 2.Then, in rotary drilling rig 1, carry out the location of guide rod 5, so that Excavating bucket 25 gets in the sleeve pipe 26.That is, adjust the inclination angle of parallel linkage 6, the position of the horizontal direction of decision guide rod 5 through the expanding-contracting action of lift cylinders 14.In addition, through the expanding-contracting action of back up cylinder 7, guide rod 5 is adjusted to the state that vertically erects.
After so carrying out the location of guide rod 5, drilling rod 23 vertically descends along this guide rod 5, and the Excavating bucket 25 of lower end gets in the sleeve pipe 26, while make Excavating bucket 25 rotations carry out the excavation of ground.When the soil of excavating is filled Excavating bucket 25 with drilling rod 23 pull-ups.Drilling rod 23 rises up to Excavating bucket 25 is pulled out from sleeve pipe 26, and then, upper rotating body 3 rotations make Excavating bucket 25 move to the casting position.The casting position of supposing this moment is as shown in Figure 4, is the rear of rotary drilling rig 1.Therefore, upper rotating body 3 Rotate 180 degree, Excavating bucket 25 moves to the rear, and at this, Excavating bucket 25 is opened, and discharges soil wherein.After this, opposite spin can be inserted in the sleeve pipe 26 for making Excavating bucket 25 once more, need be used to return to the location at excavation center.
When carrying out the casting of Excavating bucket 25, through the inclination angle that in upper rotating body 3 rotation, changes parallel linkage 6 it is moved horizontally, make Excavating bucket 25 carry out casting on a large scale away from upper rotating body 3.Therefore,, not only need the rotation of rotary drilling rig upper rotating body 3, also need the location of the horizontal direction of parallel linkage 6 to resetting of the center of excavation.Direction of rotation can confirm with comparalive ease through operator's sight line.But the location of guide rod 5 on the fore-and-aft direction of upper rotating body 3 be difficulty comparatively, in this embodiment, comes to carry out automatically through automatic reset system shown in Figure 2.
Fig. 2 is the block diagram of the automatic reset system of expression rotary drilling rig.The automatic reset system of this embodiment is controlled the position of the horizontal direction of guide rod 5, and the angle that especially detects the luffing boom 11 that constitutes parallel linkage 6 is carried out the extension and contraction control of lift cylinders 14.
In this automatic reset system, on the control device 31 that is arranged on the rotary drilling rig 1, connected the angular transducer 32 that is installed on the luffing boom 11, obtain the angle information of parallel linkage 6.
In driver's cabin, have the operator and be used for the elevating lever 33 of direct control parallel linkage 6.And, being provided with a core reset switch 34 and automatic stop switch 35, they are connected with control device 31 respectively.Stake core reset switch 34 sends the signal of the value of the angular transducer 32 that is used to store luffing boom 11 to control device 31, and automatic stop switch 35 sends carries out automatically reset signal.And, in control device 31, stored and be used to carry out automatically reset program.
In this rotary drilling rig; Operator's operate lifting bar 33 in driver's cabin carries out oil pressure control; Supply with the driving of self-pumping oily, perhaps cut off the supply of this driving oil to lift cylinders 14 through oil hydraulic circuit; Adjust the flexible of lift cylinders 14 thus, thereby the operating state of adjustment parallel linkage 6, be the inclination angle.This oil pressure control is carried out through the control valve that is arranged on the upper rotating body 3, and this control valve is set on the driving oil oil circuit between pump and the lift cylinders 14.Next, guide rod reseting procedure based on this automatic reset system is described.
At first, when the operator before Excavating bucket 25 is pulled out from sleeve pipe 26, in order to confirm to press a core reset switch 34 with parallel linkage 6 relevant reset modes.At this moment, send the operating state storage signal from stake core reset switch 34 to control device 31.When receiving this operating state storage signal, control device 31 storage parallel linkages 6 operating state at this moment, the signal that this operating state sent from angular transducer 32 based on this moment.
After this, drilling rod 23 is risen Excavating bucket 25 is pulled out from sleeve pipe 26, then, when making upper rotating body 3 rotations, change the inclination angle of parallel linkage 6, make Excavating bucket 25 move to the casting position and carry out casting.After casting, make upper rotating body 3 reverse rotations to original position.
Then, make guide rod 5 return to the location at excavation center.At this moment, the operator presses automatic stop switch 35 and comes to send automatic stop signal to control device 31, and in driver's cabin operate lifting bar 33.
After receiving this automatic stop signal; Control device 31 makes the expanding-contracting action of the lift cylinders 14 of parallel linkage 6 stop comparing based on the operating state of the status signal that regularly sends from angular transducer 32 and the operating state that control device 31 is stored when the two is consistent automatically.Thus, parallel linkage 6 returns the reset mode through control device 31 storages, the location of having realized the horizontal direction of guide rod 5.
In addition, as shown in Figure 2, also have border angular transducer 36 and safety device 37 in the automatic reset system of this rotary drilling rig.Said border angular transducer 36 is installed on the luffing boom 11, regularly sends detection signal to said safety device 37.Store the job area threshold value in advance in the said safety device 37; And this job area threshold value and according to the detection signal of border angular transducer 36 and definite scope relatively; When according to the detection signal of border angular transducer 36 and definite scope when reaching the job area threshold value of storage in advance; Said safety device 37 carries out oil pressure control; Supply/the cut-out of the driving oil of the lift cylinders 14 of the said parallel linkage 6 of control stops the expanding-contracting action of lift cylinders 14 in oil hydraulic circuit, thus the increase of the radius that stops operation.
Therefore, according to the automatic reset system of the rotary drilling rig of this embodiment, interrupting excavating when carrying out casting; About parallel linkage 6, according to the detection signal that sends from angular transducer 32, the operating state during with excavation is stored in the control device 31; When after casting, returning the state when excavating once more; Can the action of parallel linkage 6 stopped automatically at the operating state of this storage, the indication ground that can make the operator not accept the partner be operated.At this moment, the operator, through beyond the operation of the elevating lever that carried out 33 in the past, the simple operations of additional stake core reset switch 34 and automatic stop switch 35 just can be carried out core.
In addition; According to the automatic reset system of the rotary drilling rig of this embodiment, even control device breaks down or carried out wrong setting, because safety device carries out oil pressure control; The operating radius that also can prevent rotary drilling rig surpasses job area, thereby prevents the generation of accident.
More than, an embodiment of the automatic reset system of rotary drilling rig of the present invention has been described, but has been the invention is not restricted to this, in the scope that does not break away from its purport, can carry out various changes.
For example, in said embodiment, use angle sensor 32 is confirmed the operating state of parallel linkage 6 when excavating, but in addition, also can use the stroke sensor of the stroke that detects lift cylinders 14 to confirm the operating state of parallel linkage 6.
In addition; In said embodiment; Safety device 37 is according to confirming job area from the detection signal of border angular transducer 36; Said border angular transducer 36 is installed on the luffing boom 11 that constitutes said parallel linkage 6, but this safety device 37 also can be according to confirming job area from the stroke sensor that is installed on the said lift cylinders 14 that makes said parallel linkage 6 actions.
In sum, according to the automatic reset system of rotary drilling rig of the present invention, can prevent that through safety device rotary drilling rig from exceeding the safety work zone, it is hereby ensured safety.And, because safety device and control device work alone,, also can before having an accident, stop safely even therefore control device breaks down or carried out wrong setting.
In addition, because control device and safety device in the automatic reset system are separate, so control logic becomes simply, and is with low cost and can improve reliability.And safety device itself also can utilize the inclination angle restraint device of other industrial machinery etc.
More than, specific embodiments of the invention is illustrated, but it should be appreciated by those skilled in the art that in the scope that does not break away from purport of the present invention, can carry out various corrections and change to it.
Claims (4)
1. the automatic reset system of a rotary drilling rig comprises:
State detector is used to detect the current state parameter of the parallel linkage of rotary drilling rig;
Control device is used for: after receiving reset instruction, with the reset mode parameter of storage with compare from the said current state parameter of said state detector, be under the condition of unanimity at comparative result, stop the motion of said parallel linkage;
It is characterized in that,
Said automatic reset system also comprises: job area detector and coupled safety device;
Said job area detector is used for: detects the job area of said rotary drilling rig, and testing result sent to said safety device,
Said safety device is used for: the job area threshold value of said testing result with storage in advance compared, when said testing result reaches said job area threshold value, stop the motion of said parallel linkage.
2. automatic reset system according to claim 1 is characterized in that,
Said control device links to each other with control valve respectively with said safety device; Said control valve is arranged on the oil circuit of the lift cylinders that is used to promote said parallel linkage; Said control device and said safety device turn-off said oil circuit through said control valve respectively and stop said lift cylinders, thereby stop the motion of said parallel linkage.
3. automatic reset system according to claim 1 and 2 is characterized in that,
Said job area detector is the critical angle sensor, and it is installed on the luffing boom that constitutes said parallel linkage, and the angle that detects this luffing boom sends to said safety device as testing result.
4. automatic reset system according to claim 1 and 2 is characterized in that,
Said job area detector is a stroke sensor, and it is installed on the said lift cylinders that makes said parallel linkage action, and the stroke that detects this lift cylinders sends to said safety device as testing result.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010105427236A CN102465694A (en) | 2010-11-05 | 2010-11-05 | Automatic reset system of rotary drilling rig |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010105427236A CN102465694A (en) | 2010-11-05 | 2010-11-05 | Automatic reset system of rotary drilling rig |
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| CN102465694A true CN102465694A (en) | 2012-05-23 |
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| CN2010105427236A Pending CN102465694A (en) | 2010-11-05 | 2010-11-05 | Automatic reset system of rotary drilling rig |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4511974A (en) * | 1981-02-04 | 1985-04-16 | Kabushiki Kaisha Toyoda Jidoshokki Seisakusho | Load condition indicating method and apparatus for forklift truck |
| US4793421A (en) * | 1986-04-08 | 1988-12-27 | Becor Western Inc. | Programmed automatic drill control |
| JP2005097888A (en) * | 2003-09-24 | 2005-04-14 | Nippon Sharyo Seizo Kaisha Ltd | Automatic resetting system for earth drill machine |
| CN101871222A (en) * | 2010-06-21 | 2010-10-27 | 北京市三一重机有限公司 | Method for controlling motion of mast oil cylinder of revolving drilling rig and system |
| CN201620866U (en) * | 2009-12-30 | 2010-11-03 | 徐州博汇东明机械制造有限公司 | Turning-over protection device of rotary drilling machine |
-
2010
- 2010-11-05 CN CN2010105427236A patent/CN102465694A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4511974A (en) * | 1981-02-04 | 1985-04-16 | Kabushiki Kaisha Toyoda Jidoshokki Seisakusho | Load condition indicating method and apparatus for forklift truck |
| US4793421A (en) * | 1986-04-08 | 1988-12-27 | Becor Western Inc. | Programmed automatic drill control |
| JP2005097888A (en) * | 2003-09-24 | 2005-04-14 | Nippon Sharyo Seizo Kaisha Ltd | Automatic resetting system for earth drill machine |
| CN201620866U (en) * | 2009-12-30 | 2010-11-03 | 徐州博汇东明机械制造有限公司 | Turning-over protection device of rotary drilling machine |
| CN101871222A (en) * | 2010-06-21 | 2010-10-27 | 北京市三一重机有限公司 | Method for controlling motion of mast oil cylinder of revolving drilling rig and system |
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Application publication date: 20120523 |