CN110454081A - Power head Variable Centre Distance structure and rotary drilling rig - Google Patents
Power head Variable Centre Distance structure and rotary drilling rig Download PDFInfo
- Publication number
- CN110454081A CN110454081A CN201910903231.6A CN201910903231A CN110454081A CN 110454081 A CN110454081 A CN 110454081A CN 201910903231 A CN201910903231 A CN 201910903231A CN 110454081 A CN110454081 A CN 110454081A
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- power head
- centre distance
- connector
- variable
- distance structure
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- 238000005553 drilling Methods 0.000 title claims abstract description 31
- 238000009434 installation Methods 0.000 claims description 12
- 238000000034 method Methods 0.000 claims description 4
- 238000006073 displacement reaction Methods 0.000 claims 1
- 238000010008 shearing Methods 0.000 abstract description 8
- 238000010586 diagram Methods 0.000 description 4
- 239000011148 porous material Substances 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000004308 accommodation Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000003466 welding Methods 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
- E21B3/00—Rotary drilling
- E21B3/02—Surface drives for rotary drilling
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- 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)
- Transmission Devices (AREA)
Abstract
The present invention relates to engineering machinery fields, in particular to a kind of power head Variable Centre Distance structure and rotary drilling rig.Power head Variable Centre Distance structure includes power head sliding rack, power box assembly, connector and variable pitch device；Power head sliding rack is connect by variable pitch device with power box assembly；And variable pitch device passes through connector respectively and is detachably connected with power head sliding rack, power box assembly；Connector extends along the axis direction of power head.Its connector is arranged using vertical direction, is less influenced by shearing force, easy to disassemble.
Description
Technical field
The present invention relates to engineering machinery fields, in particular to a kind of power head Variable Centre Distance structure and churning driven
Machine.
Background technique
The power head of rotary drilling rig is mounted on the mast of rotary drilling rig host, is embraced with the card slot of the sliding rack of power head
Firmly the guide rail of mast slides up and down work.
The power head center of rotary drilling rig can be realized different maximum drilling apertures away from varistructure.However in existing change
It is had the disadvantage in that when the heart is away from structure
Pin shaft is horizontally disposed, and suffered shearing force is larger at work, thus when pin shaft is big by shearing force will appear impression,
It causes that pin shaft face is not coaxial and dismantles difficult.
Summary of the invention
The purpose of the present invention includes, for example, providing a kind of power head Variable Centre Distance structure and rotary drilling rig, connection
Part is arranged using vertical direction, is less influenced by shearing force, easy to disassemble.
The embodiment of the present invention this can be implemented so that
In a first aspect, the embodiment of the present invention provides a kind of power head Variable Centre Distance structure comprising power head sliding rack
With power box assembly, comprising:
Connector and variable pitch device；
Power head sliding rack is connect by variable pitch device with power box assembly；
And variable pitch device passes through connector respectively and is detachably connected with power head sliding rack, power box assembly；
Connector extends along the axis direction of power head.
In alternative embodiments, the axis direction matching hole along power head, connector quilt are provided on variable pitch device
It is configured to be threaded through in matching hole.
It in alternative embodiments, further include snap-gauge；
The top of the matching hole of variable pitch device is arranged in snap-gauge；
Snap-gauge has perforative through hole, through hole and matching hole central symmetry, and connector is configured as successively being threaded through
In through hole, matching hole.
In alternative embodiments, the aperture of through hole is greater than the aperture of matching hole.
In alternative embodiments, snap-gauge is processed using pasting board technique.
In alternative embodiments, snap-gauge is detachably connected with variable pitch device.
It in alternative embodiments, further include installation part；
It is provided with multiple first mounting holes on snap-gauge, is provided with the second mounting hole on the periphery of the matching hole of variable pitch device；
Installation part wears the first mounting hole, the second mounting hole successively being arranged snap-gauge on variable pitch device.
In alternative embodiments, installation part is threadedly coupled with the second mounting hole.
In alternative embodiments, connector is pin shaft.
Second aspect, the embodiment of the present invention provide a kind of rotary drilling rig, and rotary drilling rig includes any in aforementioned embodiments
The power head Variable Centre Distance structure of item.
The beneficial effect of the embodiment of the present invention includes, for example:
The variable pitch device of power head Variable Centre Distance structure passes through connector and power head sliding rack, power box assembly respectively
(including headstock and yoke plate) is detachably connected；Connector extends along the axis direction of power head.To which connector is using vertical
Direction arrangement, is less influenced by shearing force, easy to disassemble.Further, by mounting and dismounting variable pitch device, Ke Yigai
The center of varying force head is away from so that a rotary drilling rig drilling different pore size, improves processing efficiency.
Detailed description of the invention
In order to illustrate the technical solution of the embodiments of the present invention more clearly, below will be to needed in the embodiment attached
Figure is briefly described, it should be understood that the following drawings illustrates only certain embodiments of the present invention, therefore is not construed as pair
The restriction of range for those of ordinary skill in the art without creative efforts, can also be according to this
A little attached drawings obtain other relevant attached drawings.
Fig. 1 is the structural schematic diagram of power head Variable Centre Distance structure；
Fig. 2 is the structural schematic diagram of the variable pitch device of power head Variable Centre Distance structure；
Fig. 3 is the first partial schematic diagram of variable pitch device；
Fig. 4 is the second partial schematic diagram of variable pitch device.
Icon: 10- power head Variable Centre Distance structure；100- connector；200- variable pitch device；210- matching hole；220-
Second mounting hole；300- snap-gauge；310- through hole；The first mounting hole of 320-；410- upper cross plate；420- lower cross plate；430- erects side
Plate；440- erects connecting plate；The side 450- gusset；21- power head sliding rack；22- yoke plate；23- headstock；The axis side of A- power head
To.
Specific embodiment
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is
A part of the embodiment of the present invention, instead of all the embodiments.The present invention being usually described and illustrated herein in the accompanying drawings is implemented
The component of example can be arranged and be designed with a variety of different configurations.
Therefore, the detailed description of the embodiment of the present invention provided in the accompanying drawings is not intended to limit below claimed
The scope of the present invention, but be merely representative of selected embodiment of the invention.Based on the embodiments of the present invention, this field is common
Technical staff's every other embodiment obtained without creative efforts belongs to the model that the present invention protects
It encloses.
It should also be noted that similar label and letter indicate similar terms in following attached drawing, therefore, once a certain Xiang Yi
It is defined in a attached drawing, does not then need that it is further defined and explained in subsequent attached drawing.
In the description of the present invention, it should be noted that if there is the side of the instructions such as term " on ", "lower", "inner", "outside"
Position or positional relationship be based on the orientation or positional relationship shown in the drawings or the invention product using when the side usually put
Position or positional relationship, are merely for convenience of description of the present invention and simplification of the description, rather than the device or member of indication or suggestion meaning
Part must have a particular orientation, be constructed and operated in a specific orientation, therefore be not considered as limiting the invention.
In addition, being only used for distinguishing description if there is term " first ", " second " etc., it is not understood to indicate or imply phase
To importance.
It should be noted that in the absence of conflict, the feature in the embodiment of the present invention can be combined with each other.
Referring to FIG. 1, present embodiments providing a kind of power head Variable Centre Distance structure 10 comprising power head sliding rack
21, power box assembly, connector 100 and variable pitch device 200.
Power head sliding rack 21 is connect by variable pitch device 200 with power box assembly；
Variable pitch device 200 is detachably connected by connector 100 and power head sliding rack 21, power box assembly respectively；
Connector 100 extends along the axis direction A of power head.
Having a main parameter in the basic fundamental parameter of the power head of rotary drilling rig is power head center away from being referred to
Power head rotation center to mast guide pass distance.Power head center is away from determining that rotary drilling rig can be with drilling largest hole
Diameter.The power head ontology reduction gearbox of the power head of conventional rotary drilling rig is passed through by power box assembly and power head sliding rack 21
What connector 100 connected, power head only has a center away from that is, its maximum drilling aperture is unique.
Variable pitch device 200 is arranged between power head sliding rack 21 and power box assembly, to increase rotary drilling rig
Center away from.When do not need increase center away from when, variable pitch device 200 is removed, then by power head sliding rack 21 and power box assembly
Connection.Different maximum drilling apertures is so provided for rotary rig, provides its range of work.
However existing change center away from structure when have the disadvantage in that
Connector 100 is horizontally disposed, and suffered shearing force is larger at work, thus when connector 100 is big by shearing force
It will appear impression, cause connector 100 not coaxial and dismantle difficult.
To which connector 100 (extends) arrangement using vertical direction along the axis direction A of power head, less sheared
Power influences, easy to disassemble.Further, pass through installation and removal variable pitch device 200, thus it is possible to vary the center of power head is away from making
A rotary drilling rig drilling different pore size is obtained, processing efficiency is improved.
It should be noted that in the present embodiment, connector 100 is pin shaft.In other embodiments, connector 100 is gone back
It can be other structures, here without limitation.
In the present embodiment, the axis direction of power head is the short transverse of variable pitch device 200.
Please continue to refer to Fig. 1 to Fig. 4 to understand more CONSTRUCTED SPECIFICATIONs.
It can be seen from the figure that further, power box assembly includes yoke plate 22 and headstock 23.Variable pitch device 200
Top is connect by the pin shaft that vertical direction is arranged and (extends along the axis direction A of power head) with the upper end of yoke plate 22.Yoke plate
22 bottom end is connect with headstock 23 by horizontally arranged pin shaft.
The pin shaft and move that the bottom of variable pitch device 200 is arranged and (is extended along the axis direction A of power head) by vertical direction
Power case 23 connects.
In the present embodiment, the axis direction A matching hole 210 along power head, connector are provided on variable pitch device 200
100 are configured as being threaded through in matching hole 210.It should be noted that the installation of connector 100 and matching hole 210 for convenience,
Connector 100 is fitted into from top to bottom in matching hole 210.
Further, power head Variable Centre Distance structure 10 further includes snap-gauge 300；Snap-gauge 300 is arranged in variable pitch device 200
Matching hole 210 top；Snap-gauge 300 has perforative through hole 310, through hole 310 and 210 central symmetry of matching hole, even
Fitting 100 is configured as successively being threaded through through hole 310, in matching hole 210.
Optionally, snap-gauge 300 is processed using pasting board technique.Further, the aperture of through hole 310 is greater than matching hole 210
Aperture.So to remedy welding error.
In alternative embodiments, snap-gauge 300 is detachably connected with variable pitch device 200.
Further, power head Variable Centre Distance structure 10 further includes installation part；Multiple first peaces are provided on snap-gauge 300
Hole 320 is filled, is provided with the second mounting hole 220 on the periphery of the matching hole 210 of variable pitch device 200；Installation part successively wears first
Mounting hole 320, the second mounting hole 220 are being arranged snap-gauge 300 on variable pitch device 200.
Optionally, installation part is threadedly coupled with the second mounting hole 220.
Further, it can be seen from the figure that variable pitch device 200 include the first horizontal frame and the second horizontal frame, the first horizontal frame and
Second horizontal frame includes the upper cross plate 410 and lower cross plate 420 being oppositely arranged.The both ends of upper cross plate 410 and lower cross plate 420 pass through side
Gusset 450 connects.And adjacent upper cross plate 410 and lower cross plate 420 are enclosed the accommodation space (sky of the receiving in the present embodiment
Between be fastened on the protruding portion of power head sliding rack 21).
Variable pitch device 200 further includes the perpendicular side plate 430 being arranged among the first horizontal frame and the second horizontal frame.In the present embodiment
In, the perpendicular side plate 430 that is oppositely arranged including two.Perpendicular connecting plate is provided on two perpendicular side plates 430 side close to each other
440。
Further, in the present embodiment, variable pitch device 200 further includes being arranged on the first horizontal frame and the second horizontal frame, is used
In the auxiliary section being connect with power box assembly.
In use, when need to increase center away from when, by variable pitch device 200 be arranged in power head sliding rack 21 and headstock group
Between part, then with connector 100 by three connect to increase the center of rotary drilling rig away from.So provided for rotary rig
Different maximum drilling apertures, provides its range of work.
When do not need increase center away from when, variable pitch device 200 is removed, then by power head sliding rack 21 and power box assembly
Connection.
Second aspect, the embodiment of the present invention provide a kind of rotary drilling rig, and rotary drilling rig includes any in aforementioned embodiments
The power head Variable Centre Distance structure 10 of item.Such rotary drilling rig can adjust its maximum drilling aperture.
The beneficial effect of the embodiment of the present invention includes, for example:
The variable pitch device 200 of power head Variable Centre Distance structure 10 respectively by connector 100 and power head sliding rack 21,
Power box assembly is detachably connected；Connector 100 extends along the axis direction A of power head.To which connector 100 is using vertical side
To arrangement, less influenced by shearing force, it is easy to disassemble, so pass through installation and removal variable pitch device 200, thus it is possible to vary dynamic
The center of power head is away from so that a rotary drilling rig drilling different pore size, improves processing efficiency.It is specific:
1) pin shaft can be met and arrange that power head becomes center away from requiring vertically.
2) semilune snap-gauge can be met to the axial restraint of pin shaft.
3) pin shaft and bolt are packed into from top, and fixation is relatively reliable, and dismounting convenience is more preferable, while craftsmanship is more preferable.
More than, only a specific embodiment of the invention, but scope of protection of the present invention is not limited thereto, and it is any to be familiar with
In the technical scope disclosed by the present invention, any changes or substitutions that can be easily thought of by those skilled in the art, should all cover
Within protection scope of the present invention.Therefore, protection scope of the present invention should be subject to the protection scope in claims.
Claims (10)
1. a kind of power head Variable Centre Distance structure comprising power head sliding rack and power box assembly, which is characterized in that packet
It includes:
Connector and variable pitch device；
The power head sliding rack is connect by the variable pitch device with the power box assembly；
And the variable pitch device passes through the connector respectively and detachably connects with the power head sliding rack, the power box assembly
It connects；
The connector extends along the axis direction of power head.
2. power head Variable Centre Distance structure according to claim 1, it is characterised in that:
The axis direction matching hole along the power head is provided on the variable pitch device, the connector is configured as being threaded through
In the matching hole.
3. power head Variable Centre Distance structure according to claim 2, it is characterised in that:
It further include snap-gauge；
The top of the matching hole of the variable pitch device is arranged in the snap-gauge；
The snap-gauge has perforative through hole, the through hole and the matching hole central symmetry, and the connector is configured
To be successively threaded through the through hole, in the matching hole.
4. power head Variable Centre Distance structure according to claim 3, it is characterised in that:
The aperture of the through hole is greater than the aperture of the matching hole.
5. power head Variable Centre Distance structure according to claim 3, it is characterised in that:
The snap-gauge is processed using pasting board technique.
6. power head Variable Centre Distance structure according to claim 3, it is characterised in that:
The snap-gauge is detachably connected with the variable pitch device.
7. power head Variable Centre Distance structure according to claim 6, it is characterised in that:
It further include installation part；
It is provided with multiple first mounting holes on the snap-gauge, is provided with second on the periphery of the matching hole of the variable pitch device
Mounting hole；
The installation part wears first mounting hole, second mounting hole successively being arranged the snap-gauge in the displacement
On device.
8. power head Variable Centre Distance structure according to claim 7, it is characterised in that:
The installation part is threadedly coupled with second mounting hole.
9. power head Variable Centre Distance structure according to claim 1, it is characterised in that:
The connector is pin shaft.
10. a kind of rotary drilling rig, it is characterised in that:
The rotary drilling rig includes power head Variable Centre Distance structure of any of claims 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910903231.6A CN110454081A (en) | 2019-09-24 | 2019-09-24 | Power head Variable Centre Distance structure and rotary drilling rig |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910903231.6A CN110454081A (en) | 2019-09-24 | 2019-09-24 | Power head Variable Centre Distance structure and rotary drilling rig |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110454081A true CN110454081A (en) | 2019-11-15 |
Family
ID=68492610
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910903231.6A Pending CN110454081A (en) | 2019-09-24 | 2019-09-24 | Power head Variable Centre Distance structure and rotary drilling rig |
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| Country | Link |
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| CN (1) | CN110454081A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111663911A (en) * | 2020-07-21 | 2020-09-15 | 北京欧钻科技有限公司 | Variable-pitch device, power head variable-center-distance system and rotary drilling rig |
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| CN102704832A (en) * | 2012-06-21 | 2012-10-03 | 上海中联重科桩工机械有限公司 | Rotary drilling rig |
| CN203362027U (en) * | 2013-06-28 | 2013-12-25 | 上海赛达传动设备科技有限公司 | Variable center power head structure of rotary drilling rig |
| CN203488092U (en) * | 2013-08-30 | 2014-03-19 | 北京市三一重机有限公司 | Power device and rotary drilling rig |
| CN108180260A (en) * | 2018-02-27 | 2018-06-19 | 徐州徐工基础工程机械有限公司 | A kind of rotary drilling rig and its power head torsion increasing device |
| CN108625793A (en) * | 2018-08-09 | 2018-10-09 | 徐州徐工基础工程机械有限公司 | Rotary drilling rig link, link group and rotary drilling rig |
| CN208858298U (en) * | 2018-08-09 | 2019-05-14 | 徐州徐工基础工程机械有限公司 | Rotary drilling rig connection frame, connection frame group and rotary drilling rig |
| CN210460487U (en) * | 2019-09-24 | 2020-05-05 | 北京三一智造科技有限公司 | Power head variable center distance structure and rotary drilling rig |
-
2019
- 2019-09-24 CN CN201910903231.6A patent/CN110454081A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102704832A (en) * | 2012-06-21 | 2012-10-03 | 上海中联重科桩工机械有限公司 | Rotary drilling rig |
| CN203362027U (en) * | 2013-06-28 | 2013-12-25 | 上海赛达传动设备科技有限公司 | Variable center power head structure of rotary drilling rig |
| CN203488092U (en) * | 2013-08-30 | 2014-03-19 | 北京市三一重机有限公司 | Power device and rotary drilling rig |
| CN108180260A (en) * | 2018-02-27 | 2018-06-19 | 徐州徐工基础工程机械有限公司 | A kind of rotary drilling rig and its power head torsion increasing device |
| CN108625793A (en) * | 2018-08-09 | 2018-10-09 | 徐州徐工基础工程机械有限公司 | Rotary drilling rig link, link group and rotary drilling rig |
| CN208858298U (en) * | 2018-08-09 | 2019-05-14 | 徐州徐工基础工程机械有限公司 | Rotary drilling rig connection frame, connection frame group and rotary drilling rig |
| CN210460487U (en) * | 2019-09-24 | 2020-05-05 | 北京三一智造科技有限公司 | Power head variable center distance structure and rotary drilling rig |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111663911A (en) * | 2020-07-21 | 2020-09-15 | 北京欧钻科技有限公司 | Variable-pitch device, power head variable-center-distance system and rotary drilling rig |
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