CN110397412A - Drilling rod case with baffle and be equipped with its automatic drilling machine - Google Patents
Drilling rod case with baffle and be equipped with its automatic drilling machine Download PDFInfo
- Publication number
- CN110397412A CN110397412A CN201910726801.9A CN201910726801A CN110397412A CN 110397412 A CN110397412 A CN 110397412A CN 201910726801 A CN201910726801 A CN 201910726801A CN 110397412 A CN110397412 A CN 110397412A
- Authority
- CN
- China
- Prior art keywords
- baffle
- drilling rod
- drilling
- drill rod
- drill
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000005553 drilling Methods 0.000 title claims abstract description 161
- 238000005096 rolling process Methods 0.000 claims abstract description 48
- 230000000694 effects Effects 0.000 claims description 4
- 208000020442 loss of weight Diseases 0.000 claims description 3
- 241001074085 Scophthalmus aquosus Species 0.000 claims 2
- 238000000034 method Methods 0.000 abstract description 4
- 230000008569 process Effects 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 230000005484 gravity Effects 0.000 description 3
- 239000003245 coal Substances 0.000 description 2
- 239000013589 supplement Substances 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 230000009469 supplementation Effects 0.000 description 1
- 230000001502 supplementing effect Effects 0.000 description 1
- 230000032258 transport 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
- E21B19/00—Handling rods, casings, tubes or the like outside the borehole, e.g. in the derrick; Apparatus for feeding the rods or cables
- E21B19/14—Racks, ramps, troughs or bins, for holding the lengths of rod singly or connected; Handling between storage place and borehole
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Earth Drilling (AREA)
Abstract
The invention belongs to the field of drilling mechanical equipment, and relates to a drill rod box with a baffle, which comprises a drill rod box body and a rolling plate, wherein the plane where the rolling plate is located is intersected with the ground, a drill rod rolls on the rolling plate, and a plurality of drill rod bins for storing the drill rod are sequentially arranged in the drill rod box body in a separating manner; a baffle is arranged between adjacent drill rod bins, one end of the baffle is connected to the rolling plate, the other end of the baffle is connected to the drill rod box body, and the baffle reciprocates along the extension direction of the baffle; still relate to an automatic drilling machine with baffle drilling rod case, place the flat board including rig, manipulator and drilling rod, still include like foretell drilling rod case with baffle, the dull and stereotyped fixed connection is placed with the drilling rod to the roll board, and the drilling rod passes through the roll board and moves the drilling rod and place on the flat board. According to the invention, the baffle is arranged between the adjacent drill rod bins, so that the drill rods in the drill rod bins are enabled to roll out in sequence, the drill rods are prevented from being blocked, the number of the drill rods in the drill rod box is increased, and the number of times of adding the drill rods in the drilling process is reduced.
Description
Technical field
The invention belongs to drilling machine equipment fields, are related to a kind of drill rod box equipped with baffle and the automatic drill equipped with it
Machine.
Background technique
Drill rod box is a kind of auxiliary device for coal mine drilling machine, and function is drilling rod needed for providing drilling to drilling machine.
Due to underworkings narrow space, it is contemplated that package size and transportation problem, the drill rod box general size on drilling machine is smaller, such as
A kind of coal mine drilling machine drill stem conveying device, can only place a small amount of drilling rod, be unable to satisfy single disclosed in CN206554829U
Drilling rod quantity needed for drilling needs manually frequently to supplement drilling rod into drill rod box, since drill rod box and manipulator distance are extremely close, bores
Drilling rod is manually added into drill rod box when machine is run has security risk.Therefore it must be shut down when supplement drilling rod, influence construction effect
Rate.
Summary of the invention
In view of this, increasing storage in drill rod box the purpose of the present invention is to provide a kind of drill rod box equipped with baffle and boring
The quantity of bar reduces the number of artificial supplementation drilling rod in drilling process.
In order to achieve the above objectives, the invention provides the following technical scheme:
A kind of drill rod box equipped with baffle, including drill rod box ontology and rolling plate, the rolling plate are arranged in the drilling rod
Between case ontology and ground, the plane where the rolling plate intersects with ground, and drilling rod rolls in the rolling plate, and drilling rod exists
Rotating direction in the rolling plate is first direction;It is provided in the drill rod box ontology several for storing the drilling rod of drilling rod
Storehouse, several drilling rod storehouses are set gradually along the projection of the first direction on the ground, and the drilling rod storehouse is close to the rolling
The side of plate is equipped with the drilling rod outlet passed through for drilling rod, and drilling rod is in the drilling rod storehouse to the drilling rod exit movement;Phase
It is provided with baffle between the adjacent drilling rod storehouse, one end of the baffle is overlapped in the rolling plate, the other end of the baffle
It is connected on the drill rod box ontology, the baffle intersects with the first direction, and the baffle extends along direction and back and forth transports
It is dynamic.
Optionally, reset spring is provided between the drill rod box ontology and the baffle, the baffle passes through described multiple
Position spring is connected on the drill rod box ontology.
Optionally, the drill rod box ontology is equipped with cross bar, and the reset spring is connected to far from one end of the baffle
On the cross bar.
Optionally, the baffle is provided with hook on one end of the rolling plate, and one end of the hook is connected to
Towards on the side of the first direction, the other end of the hook is arranged between the rolling plate and drilling rod the baffle.
Optionally, the angle on the plane where the rolling plate and ground is 15 degree.
Optionally, several drilling rod storehouses are disposed in parallel relation to one another.
Optionally, the drilling rod storehouse is equipped with drilling rod supplementary opening, the drilling rod outlet far from the side that the drilling rod exports
Line direction between the drilling rod supplementary opening is perpendicular to the ground.
Optionally, loss of weight hole slot is provided on the drill rod box ontology.
Optionally, drilling rod storehouse quantity is 3.
A kind of automatic drilling machine equipped with baffle drill rod box, including drilling machine, manipulator and drilling rod place plate, the drilling machine and
The drilling rod is placed plate and is set in the scope of activities of the manipulator, further includes such as a kind of above-mentioned drilling rod equipped with baffle
Case, the drilling rod place plate setting in a first direction, and rolling plate is connected to the drilling rod and places on plate, and drilling rod passes through rolling
Movable plate is rolled to the drilling rod and places on plate.
The beneficial effects of the present invention are:
(1) it is provided with baffle between adjacent drill pipes storehouse, guarantees that the drilling rod in several drilling rod storehouses successively rolls out, is not in
Drilling rod stuck phenomenon caused by drilling rod rolls simultaneously;
(2) rolling plate and ground angle are 15 °, realize that drilling rod is rolled by self gravity in case;
(3) quantity of drilling rod in drill rod box is increased, the number for shutting down artificial addition drilling rod in drilling process is reduced;
(4) rolling plate is placed plate with drilling rod and is fixedly connected, and after drill rod box installation, drill rod box keeps accurate with drilling machine always
It docks, after drilling-machine shifter, then docks drilling machine without human intervention.
Other advantages, target and feature of the invention will be illustrated in the following description to a certain extent, and
And to a certain extent, based on will be apparent to those skilled in the art to investigating hereafter, Huo Zheke
To be instructed from the practice of the present invention.Target of the invention and other advantages can be realized by following specification and
It obtains.
Detailed description of the invention
To make the objectives, technical solutions, and advantages of the present invention clearer, the present invention is made below in conjunction with attached drawing excellent
The detailed description of choosing, in which:
Fig. 1 is a kind of structural scheme of mechanism of drill rod box equipped with baffle;
Fig. 2 is a kind of positive structure schematic of automatic drilling machine equipped with baffle drill rod box;
Fig. 3 is a kind of side structure schematic diagram of automatic drilling machine equipped with baffle drill rod box.
Appended drawing reference: drill rod box ontology 1, rolling plate 2, drilling rod storehouse 3, baffle 4, reset spring 5, cross bar 6, hook 7, machinery
Hand 8, drilling rod place plate 9, drilling rod 10.
Specific embodiment
Illustrate embodiments of the present invention below by way of specific specific example, those skilled in the art can be by this specification
Other advantages and efficacy of the present invention can be easily understood for disclosed content.The present invention can also pass through in addition different specific realities
The mode of applying is embodied or practiced, the various details in this specification can also based on different viewpoints and application, without departing from
Various modifications or alterations are carried out under spirit of the invention.It should be noted that diagram provided in following embodiment is only to show
Meaning mode illustrates basic conception of the invention, and in the absence of conflict, the feature in following embodiment and embodiment can phase
Mutually combination.
Wherein, the drawings are for illustrative purposes only and are merely schematic diagrams, rather than pictorial diagram, should not be understood as to this
The limitation of invention;Embodiment in order to better illustrate the present invention, the certain components of attached drawing have omission, zoom in or out, not
Represent the size of actual product;It will be understood by those skilled in the art that certain known features and its explanation may be omitted and be in attached drawing
It is understood that.
The same or similar label correspond to the same or similar components in the attached drawing of the embodiment of the present invention;It is retouched in of the invention
In stating, it is to be understood that if there is the orientation or positional relationship of the instructions such as term " on ", "lower", "left", "right", "front", "rear"
To be based on the orientation or positional relationship shown in the drawings, be merely for convenience of description of the present invention and simplification of the description, rather than indicate or
It implies that signified device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore is described in attached drawing
The term of positional relationship only for illustration, is not considered as limiting the invention, for the ordinary skill of this field
For personnel, the concrete meaning of above-mentioned term can be understood as the case may be.
Embodiment 1
Referring to Fig. 1, being a kind of drill rod box equipped with baffle, including drill rod box ontology 1 and rolling plate 2, rolling plate 2 is arranged
Between drill rod box ontology 1 and ground, the plane where rolling plate 2 intersects with ground, and drilling rod 10 rolls in rolling plate 2, bores
Rotating direction of the bar in rolling plate 2 is first direction, is provided in drill rod box ontology 1 several for storing the drilling rod of drilling rod 10
Storehouse 3, if dry pipe storehouse 3 is set gradually along the projection of first direction on the ground;Drilling rod storehouse 3 is set on the side of rolling plate 2
There is the drilling rod outlet passed through for drilling rod 10, drilling rod 10 is in drilling rod storehouse 3 to drilling rod exit movement;It is set between adjacent drill pipes storehouse 3
Be equipped with baffle 4, one end of baffle 4 is overlapped in rolling plate 2, and the other end of baffle 4 is connected on drill rod box ontology 1, baffle 4 with
The first direction intersection, baffle 4 extend along direction reciprocating motion.
In the present embodiment, reset spring 5 is provided between drill rod box ontology 1 and baffle 4, baffle 4 is connected by reset spring 5
It is connected on drill rod box ontology 1.Drill rod box ontology 1 is equipped with cross bar 6, and reset spring 5 is connected on cross bar 6 far from one end of baffle 4.
Baffle 4 is provided with hook 7 on one end of rolling plate 2, and one end of hook is connected to side of the baffle 4 towards first direction
On, it links up with 7 other end and is arranged between rolling plate 2 and drilling rod 10, baffle 47 is connected in rolling plate 2 by hook.It rolls
The angle of plane and ground where plate 2 is 15 degree.If dry pipe storehouse 3 is disposed in parallel relation to one another.Drilling rod storehouse 3 is exported far from drilling rod
Drilling rod supplementary opening is provided on side, the line direction between drilling rod outlet and drilling rod supplementary opening is perpendicular to the ground.Drilling rod
Loss of weight hole slot is provided on case ontology 1.3 quantity of drilling rod storehouse is 3.
Embodiment 2
Fig. 2~Fig. 3, a kind of automatic drilling machine equipped with baffle drill rod box, including drilling machine, manipulator 8 and drilling rod is please referred to put
Horizontalization plate 9, the drilling machine and the drilling rod are placed plate and are set in the scope of activities of the manipulator, further include as above-mentioned
A kind of drill rod box equipped with baffle, drilling rod place the setting of plate 9 in a first direction, and drilling rod places plate 9 and is connected to rolling plate
2, drilling rod 10 is rolled to drilling rod by rolling plate 2 and places on plate 9.
In actual use, manipulator 8 places plate 9 from drilling rod and grabs a drilling rod 10, and due to gravity, drilling rod is placed
Other drilling rods 10 in plate 9 and rolling plate 2 can successively roll the position of a drill pipe diameter along first direction, close to first party
Into the drilling rod storehouse 3 of side, drilling rod 10 enters rolling plate 2 by drilling rod outlet, is pressed on hook 7, anti-baffle plate 4 is in reset spring 5
Under the action of reset, drilling rod 10 is then static under the action of baffle 4 in other drilling rod storehouses 3.
So circulation, after drilling rod 10 rolls out in the drilling rod storehouse 3 of first direction side, manipulator 8 continue from
Drilling rod places plate 9 and grabs a drilling rod 10, and drilling rod 10 is rolled along first direction on hook 7, suppresses on hook 7 without drilling rod 10.
Baffle 4 moves under the action of reset spring 5 to the direction far from rolling plate 2, big 10 diameter of drilling rod of distance that baffle 4 moves.
In the case that drilling rod 10 stops without baffle 3 in a first direction in adjacent drill pipes storehouse 3, the position that fills up the vacancy successively is rolled.
It so recycles, is rolled into rolling plate 2 in remaining drilling rod storehouse 3, until drilling rod has rolled in drilling rod storehouse 3.
When supplementing drilling rod 10, to drilling rod 10 is supplemented in the drilling rod storehouse 3 of first direction side, drilling rod 10 is mended by drilling rod
It fills opening and is rolled out by drilling rod storehouse 3 by drilling rod outlet, hook 7 drives baffle 4 and reset spring under the gravity of drilling rod 10
5, drilling rod 10 enters rolling plate 2, until drilling rod 10 is no longer rolled along first direction, is pressed on hook 7, continues into drilling rod storehouse 3
Drilling rod 10 is supplemented, until the drilling rod storehouse 3 and remaining interior drilling rod storehouse 3 are filled.
Finally, it is stated that the above examples are only used to illustrate the technical scheme of the present invention and are not limiting, although referring to compared with
Good embodiment describes the invention in detail, those skilled in the art should understand that, it can be to skill of the invention
Art scheme is modified or replaced equivalently, and without departing from the objective and range of the technical program, should all be covered in the present invention
Scope of the claims in.
Claims (10)
1. a kind of drill rod box equipped with baffle, it is characterised in that: including drill rod box ontology and rolling plate, the rolling plate setting exists
Between the drill rod box ontology and ground, the plane where the rolling plate intersects with ground, and drilling rod rolls in the rolling plate
Dynamic, rotating direction of the drilling rod in the rolling plate is first direction;
Several drilling rod storehouses for being used to store drilling rod are provided in the drill rod box ontology, several drilling rod storehouses are along the first party
It is set gradually to projection on the ground, the drilling rod storehouse is equipped with the brill passed through for drilling rod close to the side of the rolling plate
Bar outlet, drilling rod is in the drilling rod storehouse to the drilling rod exit movement;
It is provided with baffle between the adjacent drilling rod storehouse, one end of the baffle is overlapped in the rolling plate, the baffle
The other end is connected on the drill rod box ontology, and the baffle intersects with the first direction, and the baffle extends along direction
It moves back and forth.
2. a kind of drill rod box equipped with baffle according to claim 1, it is characterised in that: the drill rod box ontology with it is described
Reset spring is provided between baffle, the baffle is connected on the drill rod box ontology by the reset spring.
3. a kind of drill rod box equipped with baffle according to claim 2, it is characterised in that: the drill rod box ontology is equipped with
Cross bar, the reset spring are connected on the cross bar far from one end of the baffle.
4. a kind of drill rod box equipped with baffle according to claim 1, it is characterised in that: the baffle is close to the rolling
It is provided with hook on one end of plate, one end of the hook is connected to the baffle towards on the side of the first direction, institute
The other end for stating hook is arranged between the rolling plate and drilling rod.
5. a kind of drill rod box equipped with baffle according to claim 1, it is characterised in that: the plane where the rolling plate
Angle with ground is 15 degree.
6. a kind of drill rod box equipped with baffle according to claim 1, it is characterised in that: several drilling rod storehouses are mutually equal
Row setting.
7. a kind of drill rod box equipped with baffle according to claim 1, it is characterised in that: the drilling rod storehouse is far from the brill
The side of bar outlet is equipped with drilling rod supplementary opening, line direction and ground between the drilling rod outlet and the drilling rod supplementary opening
Face is vertical.
8. a kind of drill rod box equipped with baffle according to claim 1, it is characterised in that: be arranged on the drill rod box ontology
There is loss of weight hole slot.
9. a kind of drill rod box equipped with baffle according to claim 1, it is characterised in that: drilling rod storehouse quantity is 3.
10. a kind of automatic drilling machine equipped with baffle drill rod box, including drilling machine, manipulator and drilling rod place plate, the drilling machine and
The drilling rod is placed plate and is set in the scope of activities of the manipulator, it is characterised in that: further includes that claim 1-8 such as appoints
A kind of drill rod box equipped with baffle described in one, the drilling rod place plate setting in a first direction, and rolling plate is connected to
The drilling rod is placed on plate, and drilling rod is rolled to the drilling rod by rolling plate and places on plate.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201910726801.9A CN110397412B (en) | 2019-08-07 | 2019-08-07 | Drilling rod case with baffle and be equipped with its automatic drilling machine |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201910726801.9A CN110397412B (en) | 2019-08-07 | 2019-08-07 | Drilling rod case with baffle and be equipped with its automatic drilling machine |
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CN110397412A true CN110397412A (en) | 2019-11-01 |
CN110397412B CN110397412B (en) | 2020-11-24 |
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CN201910726801.9A Active CN110397412B (en) | 2019-08-07 | 2019-08-07 | Drilling rod case with baffle and be equipped with its automatic drilling machine |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110748307A (en) * | 2019-11-27 | 2020-02-04 | 扬州市江都永坚有限公司 | Automatic hydraulic station bin for offshore wind power pile foundation construction drill rod |
CN111749631A (en) * | 2020-08-04 | 2020-10-09 | 中煤科工集团重庆研究院有限公司 | Drill rod box of automatic sequential downward sliding drill rod opened under action of gravity |
CN112963103A (en) * | 2021-02-26 | 2021-06-15 | 中煤科工集团重庆研究院有限公司 | Side income formula drilling rod storage box |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20020153169A1 (en) * | 1995-02-22 | 2002-10-24 | The Charles Machine Works, Inc. | Pipe handling device |
CN204060570U (en) * | 2014-08-12 | 2014-12-31 | 四川准达科技有限责任公司 | Rig automatic loading and unloading boring rod set |
CN204238880U (en) * | 2014-11-07 | 2015-04-01 | 山东科技大学 | The drilling rod automatic powder adding of underground drill rig adds retracting device |
CN110029950A (en) * | 2019-05-17 | 2019-07-19 | 中煤科工集团重庆研究院有限公司 | Expansion device for S-shaped drill pipe box for coal mine drilling machine |
-
2019
- 2019-08-07 CN CN201910726801.9A patent/CN110397412B/en active Active
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20020153169A1 (en) * | 1995-02-22 | 2002-10-24 | The Charles Machine Works, Inc. | Pipe handling device |
CN204060570U (en) * | 2014-08-12 | 2014-12-31 | 四川准达科技有限责任公司 | Rig automatic loading and unloading boring rod set |
CN204238880U (en) * | 2014-11-07 | 2015-04-01 | 山东科技大学 | The drilling rod automatic powder adding of underground drill rig adds retracting device |
CN110029950A (en) * | 2019-05-17 | 2019-07-19 | 中煤科工集团重庆研究院有限公司 | Expansion device for S-shaped drill pipe box for coal mine drilling machine |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110748307A (en) * | 2019-11-27 | 2020-02-04 | 扬州市江都永坚有限公司 | Automatic hydraulic station bin for offshore wind power pile foundation construction drill rod |
CN111749631A (en) * | 2020-08-04 | 2020-10-09 | 中煤科工集团重庆研究院有限公司 | Drill rod box of automatic sequential downward sliding drill rod opened under action of gravity |
CN112963103A (en) * | 2021-02-26 | 2021-06-15 | 中煤科工集团重庆研究院有限公司 | Side income formula drilling rod storage box |
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