CN208184647U - Combined hydraulic power head - Google Patents
Combined hydraulic power head Download PDFInfo
- Publication number
- CN208184647U CN208184647U CN201820744897.2U CN201820744897U CN208184647U CN 208184647 U CN208184647 U CN 208184647U CN 201820744897 U CN201820744897 U CN 201820744897U CN 208184647 U CN208184647 U CN 208184647U
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- CN
- China
- Prior art keywords
- drilling rod
- hydraulic
- built
- main shaft
- kelly
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 27
- 239000002131 composite material Substances 0.000 claims description 8
- 230000015572 biosynthetic process Effects 0.000 claims 1
- 239000000203 mixture Substances 0.000 claims 1
- 238000005553 drilling Methods 0.000 abstract description 64
- 238000000034 method Methods 0.000 abstract description 3
- 238000006243 chemical reaction Methods 0.000 abstract 1
- 239000007788 liquid Substances 0.000 abstract 1
- 238000005406 washing Methods 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 3
- 239000003921 oil Substances 0.000 description 3
- 150000001875 compounds Chemical class 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000009527 percussion Methods 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 241000208340 Araliaceae Species 0.000 description 1
- 235000005035 Panax pseudoginseng ssp. pseudoginseng Nutrition 0.000 description 1
- 235000003140 Panax quinquefolius Nutrition 0.000 description 1
- 235000008331 Pinus X rigitaeda Nutrition 0.000 description 1
- 235000011613 Pinus brutia Nutrition 0.000 description 1
- 241000018646 Pinus brutia Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 210000004899 c-terminal region Anatomy 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 235000008434 ginseng Nutrition 0.000 description 1
- 239000010720 hydraulic oil Substances 0.000 description 1
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- Earth Drilling (AREA)
Abstract
The utility model discloses a combined type hydraulic power head belongs to the mechanical design field, including gearbox, initiative drilling rod, hydraulic chuck and built-in hydraulic pressure water clack, set up on the gearbox be used for with initiative drilling rod sliding fit's main shaft with be used for the drive initiative drilling rod is in do axial reciprocating motion in the main shaft built-in hydraulic pressure water clack, the main shaft deviates from the end setting that deviates from of built-in hydraulic pressure water clack the hydraulic chuck. The utility model discloses a hydraulic chuck and initiative drilling rod combine together, add and connect the initiative drilling rod for the drilling rod, dismantle hydraulic chuck for the drilling rod to utilize built-in water pigtail to realize that the drilling rod adds and connects the conversion with the dismantlement, the drilling rod adds and connects efficiently, dismantles efficiently, and the washing liquid is sealed effectual, and is compatible with ordinary rig structure, and hydraulic chuck is longe-lived, can extend the impact drilling technique simultaneously.
Description
Technical field
The utility model belongs to technical field of mechanical design, and in particular to a kind of composite hydraulic power head is applied to coal
Mine hydraulic drill rig.
Background technique
The hydraulic power head of drilling machine at present, drilling rod connection type generally use oild chuck holding drill pipe and kelly
Jointed rod two ways, oild chuck class power head are mainly exactly to connect oild chuck in front-end of spindle, and oild chuck is the same as main
Axis rotates together with, and carries out load transmission by chucking power of the oild chuck to drilling rod；Kelly class power head is in front-end of spindle
Section is directly connected to kelly, utilizes the threaded connection drill stem of kelly.
Oild chuck class power head main feature is exactly that dismounting drilling rod is convenient, is mainly clamped using oild chuck and drilling machine
Device clamps drilling rod, oild chuck reversion, and then unscrewing drill unclamps oild chuck and just removes drilling rod, disadvantage transmitting torque is small, work
Oild chuck needs high-pressure rotary fuel feeding when making, and the oild chuck service life is low, and water pigtail is often revealed, and cannot achieve the automatic of drilling rod and adds
It connects.
Kelly class power head is mainly characterized by drilling rod adjunction conveniently, is threaded directly into using screw thread, cleans water system
Sealing effect of uniting is good, is easy to implement the automatic adjunction of drilling rod.Disadvantage dismounting drilling rod is difficult, it is necessary to realize drilling rod using double fastener holder
Between unscrew, then utilize kelly frictional force whiz drilling rod, then use clamp holder clamping drilling rod, reversion main shaft, kelly is same
Drilling rod is detached from, and is unclamped clamper, is completed the disassembly of drilling rod.Therefore low efficiency, while double fastener hold between be axially to approach rigid connection,
Therefore in unscrewing drill, drilling rod can be damaged.
Utility model content
In view of this, the utility model aim is to provide a kind of composite hydraulic power head, mainly solve existing hydraulic
Following problems existing for power head: 1) oild chuck class power head in the presence of rotation charge oil pressure requirement high, the oild chuck service life is low,
Transmitting load is low, drilling rod automation adjunction difficulty is big；2) there are dismounting drilling rod low efficiency, double fastener holder knots for kelly power head
Structure is complicated, and dismounting drilling rod damage is big, with ordi-nary drilling machine poor compatibility (ordi-nary drilling machine is single clip holder).
Following technical solution that in order to achieve the above object, the utility model provides:
The utility model provides a kind of composite hydraulic power head, including gearbox, kelly, oild chuck and built-in
Formula hydraulic water valve main shaft for being slidably matched with the kelly is arranged on the gearbox and for driving the active
Drilling rod does the mobile built-in hydraulic water valve of axial reciprocating in the main shaft, and the main shaft deviates from the built-in hydraulic
The oild chuck described away from end setting of water valve.
Further, the oild chuck and the main shaft are rigidly connected.
Further, the built-in hydraulic water valve is made of cylinder tube, piston, water pigtail set, the piston and the active
Drilling rod rotation connection, and piston moves back and forth in the space that is formed between cylinder tube and water valve set.
The beneficial effects of the utility model are: the utility model is combined using oild chuck and kelly, adjunction is bored
Bar kelly, dismounting drilling rod oild chuck, drilling rod adjunction is high-efficient, and removal efficiency is high, and cleaning solution sealing effect is good, together
Ordi-nary drilling machine structure compatible, the oild chuck service life improves 20 times or more, while can expand percussion drilling technology.
Main innovation point
(1) built-in expansion water pigtail, in the case where guaranteeing to clean water-stop, moreover it is possible to move kelly axial reciprocating
It is dynamic；
(2) kelly is the same as the compound adjunction jackrod structure of oild chuck；
(3) indwelling percussion drilling interfacing.
Other advantages, target and feature of the utility model will be explained in the following description to a certain extent
It states, and to a certain extent, based on will be apparent to those skilled in the art to investigating hereafter, or
Person can be instructed from the practice of the utility model.The target of the utility model and other advantages can be said by following
Bright book is achieved and obtained.
Detailed description of the invention
It is practical to this below in conjunction with attached drawing in order to keep the purpose of this utility model, technical solution and advantage clearer
It is novel to be preferably described in detail, in which:
Fig. 1 is the structural schematic diagram of the utility model composite hydraulic power head；
Appended drawing reference: gearbox 1, oild chuck 3, built-in hydraulic water valve 4, main shaft 5, drilling rod I6, bores kelly 2
Bar II7.
Specific embodiment
The utility model is further described With reference to embodiment.Wherein, being given for example only property of attached drawing
Illustrate, expression is only schematic diagram, rather than pictorial diagram, should not be understood as the limitation to this patent；In order to which this reality is better described
With novel embodiment, the certain components of attached drawing have omission, zoom in or out, and do not represent the size of actual product；To ability
For field technique personnel, the omitting of some known structures and their instructions in the attached drawings are understandable.
The same or similar label correspond to the same or similar components in the attached drawing of the utility model embodiment；It is practical at this
In novel description, it is to be understood that if having the instructions such as term " on ", "lower", "left", "right", "front", "rear" orientation or
Positional relationship is to be based on the orientation or positional relationship shown in the drawings, and is merely for convenience of describing the present invention and simplifying the description,
Rather than the device or element of indication or suggestion meaning must have a particular orientation, be constructed and operated in a specific orientation, because
The terms describing the positional relationship in the drawings are only for illustration for this, should not be understood as the limitation to this patent, for ability
For the those of ordinary skill in domain, the concrete meaning of above-mentioned term can be understood as the case may be.
Such as Fig. 1, embodiment is substantially as shown in the picture: the utility model provides a kind of compound hydraulic power head, entire power
Head is made of gearbox 1, kelly 2, oild chuck 3 and built-in hydraulic water pigtail 4；Gearbox 1 provides rotary power, actively
Drilling rod 2 is installed in main shaft 5, is cooperated therebetween using six sides or non-circular end face, is axially movable, and 5 torque of main shaft and movement is straight
It connects and is transmitted to kelly 2, realize drilling work；Built-in hydraulic water pigtail 4 is located at 1 tail end of gearbox, is connected with gearbox 1,
It is made of outermost cylinder tube, intermediate piston, water pigtail set, piston covers the space to be formed with water pigtail in cylinder tube and back and forth moves
It is dynamic, realize the reciprocating movement of kelly.When adjunction drilling rod, promotion of the kelly 2 in the piston of built-in hydraulic water pigtail 4
Under, 3 end face of oild chuck is removed, drilling rod adjunction is completed using kelly 2, then retracts 5 bottom end of main shaft, realize and promote drilling
Work；Oild chuck 3 is rigidly connected with 5 front end of main shaft, and when dismounting drilling rod, kelly 2 be in tail end, oild chuck 3 and presss from both sides
Holder (not shown) simultaneously clamps on drilling rod, and main shaft 5 inverts, and realizes that drilling rod is separated with clamper, unclamps oild chuck, realizes drilling rod
Disassembly.
Working principle is as follows:
When adding drilling rod, the cylinder tube C-terminal oil inlet of built-in hydraulic water pigtail 4, piston is pushed ahead under the action of hydraulic oil,
Kelly 2 be threadedly coupled part stretch out oild chuck 3, when want the drilling rod of adjunction in place after, power head is rotated forward and is pushed ahead,
Drilling rod I6 is connected with kelly 2, is continued rotation with drilling rod II7 connection, is completed the adjunction of drilling rod.
When drilling, after the completion of drilling rod adjunction, power head is pushed ahead, the cylinder tube B end oil inlet of built-in hydraulic water pigtail 4,
Kelly 2 is moved backward with respect to gearbox 1, when 2 end of kelly contacts 5 end of main shaft, is realized the transmitting of thrust, is revolved
Turn main shaft 5, kelly 2 is driven to rotate and push ahead, completes drilling work.
When dismounting drilling rod, clamp holder clamping drilling rod II7, kelly 2 is in 5 tail end of main shaft, and power head promotes, and works as drilling rod
After I6 enters 3 certain length of oild chuck, oild chuck 3 clamps drilling rod, power head reversion, and drilling rod I6 is separated with drilling rod II7, pine
Oild chuck is opened, the disassembly of drilling rod is completed.
Finally, it is stated that above embodiments are merely intended for describing the technical solutions of the present application, but not for limiting the present application, although ginseng
The utility model is described in detail according to preferred embodiment, those skilled in the art should understand that, it can be to this
The technical solution of utility model is modified or replaced equivalently, should all without departing from the objective and range of the technical program
Cover in the scope of the claims of the utility model.
Claims (3)
1. a kind of composite hydraulic power head, including gearbox (1), kelly (2), oild chuck (3) and built-in hydraulic
Water valve (4), which is characterized in that the main shaft (5) for being slidably matched with the kelly is set on the gearbox and is used for
The kelly is driven to do the mobile built-in hydraulic water valve of axial reciprocating in the main shaft, the main shaft deviates from institute
State the oild chuck described away from end setting of built-in hydraulic water valve.
2. composite hydraulic power head according to claim 1, which is characterized in that the oild chuck and the main shaft are rigid
Property connection.
3. composite hydraulic power head according to claim 1, which is characterized in that the built-in hydraulic water valve is by oil cylinder
Cylinder, piston, water pigtail set composition, the piston and the kelly are rotatablely connected, and piston is between cylinder tube and water valve set
It is moved back and forth in the space of formation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820744897.2U CN208184647U (en) | 2018-05-18 | 2018-05-18 | Combined hydraulic power head |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820744897.2U CN208184647U (en) | 2018-05-18 | 2018-05-18 | Combined hydraulic power head |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208184647U true CN208184647U (en) | 2018-12-04 |
Family
ID=64431214
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820744897.2U Active CN208184647U (en) | 2018-05-18 | 2018-05-18 | Combined hydraulic power head |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208184647U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108661578A (en) * | 2018-05-18 | 2018-10-16 | 中煤科工集团重庆研究院有限公司 | Combined hydraulic power head |
| CN112658664A (en) * | 2020-12-28 | 2021-04-16 | 中煤科工集团重庆研究院有限公司 | Automatic connecting device and method for coal mine drill rods |
-
2018
- 2018-05-18 CN CN201820744897.2U patent/CN208184647U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108661578A (en) * | 2018-05-18 | 2018-10-16 | 中煤科工集团重庆研究院有限公司 | Combined hydraulic power head |
| CN112658664A (en) * | 2020-12-28 | 2021-04-16 | 中煤科工集团重庆研究院有限公司 | Automatic connecting device and method for coal mine drill rods |
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