CN103527076B - A kind of top driving force water tap - Google Patents
A kind of top driving force water tap Download PDFInfo
- Publication number
- CN103527076B CN103527076B CN201310538165.XA CN201310538165A CN103527076B CN 103527076 B CN103527076 B CN 103527076B CN 201310538165 A CN201310538165 A CN 201310538165A CN 103527076 B CN103527076 B CN 103527076B
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- China
- Prior art keywords
- axle
- sleeve
- hole
- ring
- bonnet
- 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.)
- Expired - Fee Related
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 34
- 238000007789 sealing Methods 0.000 claims abstract description 46
- 125000006850 spacer group Chemical group 0.000 claims abstract description 24
- 239000000498 cooling water Substances 0.000 claims abstract description 22
- 238000010276 construction Methods 0.000 claims description 12
- 229920001971 elastomer Polymers 0.000 claims description 6
- 229920003225 polyurethane elastomer Polymers 0.000 claims description 6
- 239000000428 dust Substances 0.000 claims description 3
- 238000005553 drilling Methods 0.000 description 15
- 210000003660 reticulum Anatomy 0.000 description 11
- 238000003825 pressing Methods 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 3
- 238000001816 cooling Methods 0.000 description 2
- 239000011435 rock Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 210000004534 cecum Anatomy 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 239000002826 coolant Substances 0.000 description 1
- 239000012809 cooling fluid Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 210000004907 gland Anatomy 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
Landscapes
- Sealing Devices (AREA)
Abstract
A kind of top driving force water tap for rig, comprise axle (2), sleeve (7) and the sealing fixed structure between axle (2) and sleeve (7), described axle (2) has the axle cooling water hole (201) and the second side through hole (203) that lead directly to inlet opening from one end of axle; The middle part of described sleeve is provided with the first side through hole (701) and the ring-type water channel (703) relative with the axle cooling water hole of axle (2); Described sealing fixed structure is symmetrically distributed in the both sides of described ring-type water channel (703), and described sealing fixed structure is be provided with seal (8), spacer (6), deep groove ball bearing (5), protecgulum (4) or bonnet (9) described protecgulum (4) successively from the both sides of ring-type water channel and bonnet (9) is fixed respectively by the end face of bolt and sleeve.This top driving force water tap is dismantled easy when changing consumable accessory, simplify the structure of water tap.
Description
Technical field
The present invention relates to geological drilling all-hydraulic drill technical field, especially a kind of water tap being integrated in power output shaft inside of top-drive drilling.
Background technology
Top drive drilling is the new drilling technology of of rising in international drilling applications the eighties in 20th century, it is an important breakthrough of rotary drilling technology, top-drive drilling is the collection rotary power moved with tourist bus as rotating disk etc. becomes by the rotating driving device be originally fixed on drilling floor surface, water tap and above unload the New well drilling equipment that clasp forceps is integrated, wherein power swivel is the vitals of this top-drive drilling, it will keep relative static conditions with the hook block on top, the drilling rod that bottom is connected with it can be driven again to realize rotary motion.In normal operation, its underpart hangs drill string and drill bit, when rig drives drill bit to creep into underground, because the huge frictional force between drill bit and rock can cause the contact surface temperature of drill bit and rock sharply to raise, therefore injection cooling water or cooling-air is needed to implement cooling to drill bit, common way is between main frame and output shaft, fill a water tap, the front end of this water tap axle is connected with drill power head main shaft, sleeve passes through oil pipe or coolant pump or compressor and is connected, during work, main shaft and dynamic head main spindle and drilling rod rotate, sleeve can not rotate, water tap entirety also must slide by main shaft straight line especially up and down, the major function of this water tap is by cooling fluid or cooling-air input drilling rod cooling drill bit, the quality of its performance is directly connected to the result of use of complete equipment.
The current ubiquitous problem for the water tap of rig is that the ability of sealed high pressure air and press water is poor, in long use procedure, cause the sealing self-tightening power of sealing ring to diminish due to the wearing and tearing of sealing ring, pressure-air or press water easily from seepage between rotary main shaft and sealing unit, thus impact the normal work of equipment.And the two ends of the sleeve of water tap generally adopt bolt to be fixedly connected with, the main shaft of power swivel also adopts with the connection of drill string and is threaded, long-time use can make screw-thread rust, this makes the dismounting difficulty when changing housing accessory very large, need the cost plenty of time to dismantle, this makes spudder do to be difficult to continue to carry out.
On the basis of above-mentioned prior art defect, applicant, through improving, proposes structure simple, easy-off top driving force water tap, makes the dismantlement work of complexity during the maintaining of water tap become easily simple, improves operating efficiency.
Summary of the invention
For above-mentioned prior art Problems existing, the object of this invention is to provide that a kind of structure is simple, easy-off top driving force water tap, make the dismantlement work of complexity during the maintaining of water tap become easily simple, improve operating efficiency.
The present invention realizes like this, a kind of top driving force water tap for rig, comprise axle, sleeve and the sealing fixed structure between axle and sleeve, described axle has the end face that one end leads directly to axle, and the other end is the axle cooling water hole of blind hole and the second side through hole of communicating with axle cooling water hole one end at blind hole end;
Described sleeve has axially extending bore, and the middle part of described sleeve is provided with the first side through hole, and the bore section relative with the first side through hole forms the ring-type water channel relative with the axle cooling water hole of axle;
Described sealing fixed structure is symmetrically distributed in the both sides of described ring-type water channel, described sealing fixed structure comprises sealing unit, spacer, deep groove ball bearing, protecgulum and bonnet, in the outside of described ring-type water channel, sealing unit is installed, in the outside of sealing unit, spacer is installed, described deep groove ball bearing is provided with in the outside of spacer, be respectively equipped with protecgulum and bonnet in the outside of deep groove ball bearing, described protecgulum and bonnet are fixed respectively by the end face of bolt and sleeve;
Described sealing unit is the hermetically-sealed construction that can bear at least 20Mpa hydraulic pressure.
Further, be provided with thrust ball bearing in the outside of bonnet, be provided with card key, card key cap and circlip for shaft in the outside of thrust ball bearing, described card key and circlip for shaft are stuck in the groove of shaft end.
Further, the matching part of described protecgulum and axle is provided with dust ring.
Further, described hermetically-sealed construction comprises 3-4 the y-type seal ring that oil resistant rubber or polyurethane rubber are made, and separates with spacer ring.
For a top driving force water tap for rig, comprise axle, sleeve and the sealing fixed structure between axle and sleeve, it is characterized in that,
Described axle has flange, and the side of described flange has taper seat, and described axle has the end face that one end leads directly to axle, and the other end is the axle cooling water hole of blind hole and the second side through hole of communicating with axle cooling water hole one end at blind hole end;
Described sleeve has axially extending bore, and the middle part of described sleeve is provided with the first side through hole, and the bore section relative with the first side through hole forms the ring-type water channel relative with the axle cooling water hole of axle; The endoporus two ends of described sleeve have taper seat;
Described sealing fixed structure is symmetrically distributed in the both sides of described ring-type water channel, described sealing fixed structure comprises sealing unit, spacer, taper roll bearing and bonnet, folded spring is installed in the outside of described ring-type water channel, sealing unit is provided with in the outside of folded spring, in the outside of sealing unit, spacer is installed, described taper roll bearing is provided with in the outside of spacer, the taper roll bearing of side is pressed on the front end face of flange, bonnet is provided with outside the taper roll bearing of opposite side, the side tool taper seat of described bonnet, described bonnet rotates fixing by one end external screw thread of inner hole thread and axle,
The taper seat of described sleeve coordinates with the taper seat of described flange and the taper seat of described bonnet respectively.
Described sealing unit is the hermetically-sealed construction that can bear at least 20Mpa hydraulic pressure.
Further, the taper seat at described sleeve two ends is respectively equipped with O-ring seals.
Further, the taper seat of described flange, sleeve and bonnet and the angle of its axis are 5 ° ~ 15 °.
Further, described hermetically-sealed construction comprises 3-4 the y-type seal ring that oil resistant rubber or polyurethane rubber are made, and separates with spacer ring.
The invention has the beneficial effects as follows: the structure simplifying water tap, water tap is easily dismantled, when maintaining, the dismantlement work of complexity becomes easily simple, improves operating efficiency.
Accompanying drawing explanation
Fig. 1 is the structure chart of the water tap of the embodiment of the present invention 1.
Fig. 2 is the main shaft of 1 water tap of the embodiment of the present invention.
Fig. 3 is the housing of the water tap of the embodiment of the present invention 1.
Fig. 4 is the structure chart of the water tap of the embodiment of the present invention 2.
Reference numeral in above-mentioned figure:
1O RunddichtringO, 2 axles, 3 dust rings, 4 protecgulums, 5 deep groove ball bearings, 5 ' taper roll bearing, 6 spacers, 7 sleeves, 8 sealing units, 9 bonnets, 10 thrust ball bearings, 11 soket head cap screw 12 card key 13 card key cap 14 circlips for shaft, 15 oil filler points, 16 folded springs
201 cooling water holes, 202 flanges, 203 second side through hole,
701 first side through hole, 702 ring-type water channels
Detailed description of the invention
Following examples are used for the present invention is described, but are not used for limiting the scope of the invention.
Embodiment 1
As the principal section figure that Fig. 1 is water tap, a kind of power swivel for top drive drilling, comprises axle 2, sleeve 7, and deep groove ball bearing 5 connecting axle 2 and sleeve 7, described axle 2 is rotated about the axis, and sleeve is motionless.There is the first side through hole 701 sleeve 7 middle part, connect cooling water nozzle, the external diameter of sleeve diameter ratio shaft 2 in side through hole part is large, form ring-type water channel 702, axle 2 is provided with the cooling water hole 201 of straight-through front end, be provided with the second side through hole 203 in the ring-type water channel relative position of cooling water hole 201 cecum and sleeve 7, cooling water hole 201 and the described ring-type water channel 702 of described axle form path; Respectively there is one sealing unit 8 described ring-type water channel 702 both sides, to stop cooling water excessive.Spacer 6 is provided with in the outside of sealing unit 8, the outside of spacer 6 is provided with a deep groove ball bearing 5, gland 4 and rear pressing cover 9 before being respectively equipped with outside deep groove ball bearing 5, thrust ball bearing 11 is installed additional outside rear pressing cover 9, outside thrust ball bearing 11, in the groove of axle 2, be provided with card key 12, card key cap 13 simultaneously, in the groove of axle 2, be provided with circlip for shaft 14 in the outside of card key cap 13 simultaneously.Described sealing unit 8 is the hermetically-sealed construction that can bear at least 20Mpa hydraulic pressure, and described hermetically-sealed construction comprises 3-4 the y-type seal ring that oil resistant rubber or polyurethane rubber are made, and separates with spacer ring.
Embodiment 2
As shown in Figure 4, be the principal section figure of faucet embodiment 2, a kind of power swivel for top drive drilling, comprises axle 2, sleeve 7, and taper roll bearing 5 ' connecting axle 2 and sleeve 7, described axle 2 is rotated about the axis, and sleeve is motionless.The structure of sleeve 7 does not change substantially, identical with embodiment 1, and just inner wall of end has the taper hole gradient of 5 ° ~ 15 °.Respectively there are folded spring 16 and sealing unit 8 together in the ring-type water channel both sides of described sleeve 7, to stop cooling water excessive.Be provided with spacer 6 in the outside of sealing unit 8, the outside of spacer 6 is respectively equipped with a taper roll bearing 5 ', is provided with rear pressing cover 9 in the outside of right-hand member taper roll bearing 5 ', and described rear pressing cover 9 internal thread is fixedly connected with axle 2; The flange 202 of described axle 2 has the frustum gradient of 5 ° ~ 15 °, replace the protecgulum 4 of embodiment 1, described rear end cap 9 also has the frustum gradient of 5 ° ~ 15 °, and the both ends taper hole of described sleeve 7 coordinates with the flange 202 of described axle 2 and rear pressing cover 9 respectively, and is provided with O-ring seals.
Described sealing unit 8 is the hermetically-sealed construction that can bear at least 20Mpa hydraulic pressure, and described hermetically-sealed construction comprises 3-4 the y-type seal ring that oil resistant rubber or polyurethane rubber are made, and separates with spacer ring.This sealing ring has hydraulic pressure self-sealing effect, i.e. its lip compression axis outer wall all the time under hydraulic action, and when sealing ring is constantly worn, its lip still can lean on hydraulic pressure spreading, ensures sealing.
Claims (6)
1. push up a driving force water tap, comprise axle (2), sleeve (7) and the sealing fixed structure between axle (2) and sleeve (7), it is characterized in that,
Described axle (2) has the end face that one end leads directly to axle, and the other end is the axle cooling water hole (201) of blind hole and the second side through hole (203) of communicating with axle cooling water hole one end at blind hole end;
Described sleeve (7) has axially extending bore, the middle part of described sleeve is provided with the first side through hole (701), and the bore section relative with the first side through hole forms the ring-type water channel (702) relative with the axle cooling water hole of axle (2);
Described sealing fixed structure is symmetrically distributed in the both sides of described ring-type water channel (702), described sealing fixed structure comprises sealing unit (8), spacer (6), deep groove ball bearing (5), protecgulum (4) and bonnet (9), in the outside of described ring-type water channel (702), sealing unit (8) is installed, in the outside of sealing unit (8), spacer (6) is installed, described deep groove ball bearing (5) is provided with in the outside of spacer (6), protecgulum (4) and bonnet (9) is respectively equipped with in the outside of deep groove ball bearing (5), described protecgulum (4) and bonnet (9) are fixed respectively by the end face of bolt and sleeve,
Thrust ball bearing (10) is provided with in the outside of bonnet (9), be provided with card key (12), card key cap (13) and circlip for shaft (14) in the outside of thrust ball bearing (10), described card key (12) and circlip for shaft (14) are stuck in the groove of axle (2) end;
Described sealing unit (8) is the hermetically-sealed construction that can bear at least 20Mpa hydraulic pressure.
2. a top as claimed in claim 1 driving force water tap, it is characterized in that, the matching part of described protecgulum and axle (2) is provided with dust ring (3).
3. the top driving force water tap as described in any one of claim 1-2, is characterized in that, described hermetically-sealed construction comprises 3-4 the y-type seal ring that oil resistant rubber or polyurethane rubber are made, and separates with spacer ring.
4. push up a driving force water tap, comprise axle (2), sleeve (7) and the sealing fixed structure between axle (2) and sleeve (7), it is characterized in that,
Described axle (2) has flange (202), the side of described flange (202) has taper seat, described axle (2) has the end face that one end leads directly to axle, and the other end is the axle cooling water hole (201) of blind hole and the second side through hole (203) of communicating with axle cooling water hole one end at blind hole end;
Described sleeve (7) has axially extending bore, the middle part of described sleeve is provided with the first side through hole (701), and the bore section relative with the first side through hole forms the ring-type water channel (702) relative with the axle cooling water hole of axle (2); The endoporus two ends of described sleeve have taper seat;
Described sealing fixed structure is symmetrically distributed in the both sides of described ring-type water channel (702), described sealing fixed structure comprises sealing unit (8), spacer (6), taper roll bearing (5 ') and bonnet (9), folded spring (16) is installed in the outside of described ring-type water channel (702), sealing unit (8) is provided with in the outside of folded spring (16), in the outside of sealing unit (8), spacer (6) is installed, described taper roll bearing (5 ') is provided with in the outside of spacer (6), the taper roll bearing (5 ') of side is pressed on the front end face of flange (202), taper roll bearing (5 ') outside of opposite side is provided with bonnet (9), the side of described bonnet (9) has taper seat, described bonnet (9) rotates fixing by one end external screw thread of inner hole thread and axle (2),
The taper seat of described sleeve coordinates with the taper seat of described flange (202) and the taper seat of described bonnet (9) respectively;
Described flange (2), sleeve (7) and the taper seat of bonnet and the angle of its axis are 5 ° ~ 15 °;
Described sealing unit (8) is the hermetically-sealed construction that can bear at least 20Mpa hydraulic pressure.
5. a top as claimed in claim 4 driving force water tap, is characterized in that, the taper seat at described sleeve two ends is respectively equipped with O-ring seals.
6. the top driving force water tap as described in any one of claim 4-5, is characterized in that, described hermetically-sealed construction comprises 3-4 the y-type seal ring that oil resistant rubber or polyurethane rubber are made, and separates with spacer ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310538165.XA CN103527076B (en) | 2013-11-04 | 2013-11-04 | A kind of top driving force water tap |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310538165.XA CN103527076B (en) | 2013-11-04 | 2013-11-04 | A kind of top driving force water tap |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103527076A CN103527076A (en) | 2014-01-22 |
| CN103527076B true CN103527076B (en) | 2015-11-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310538165.XA Expired - Fee Related CN103527076B (en) | 2013-11-04 | 2013-11-04 | A kind of top driving force water tap |
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| CN109237029B (en) * | 2018-11-30 | 2022-02-25 | 恒天九五重工有限公司 | Rotary sealing device |
| CN109282038A (en) * | 2018-11-30 | 2019-01-29 | 恒天九五重工有限公司 | A kind of high voltage bearing rotary sealing appts |
| CN109281613B (en) * | 2018-11-30 | 2022-03-01 | 恒天九五重工有限公司 | Rotary sealing device for water supply or gas supply system of drilling machine |
| CN109340489A (en) * | 2018-12-13 | 2019-02-15 | 恒天九五重工有限公司 | A kind of wired and radio universal type rotary sealing appts |
| CN112228564A (en) * | 2020-11-06 | 2021-01-15 | 神木市金承机械科技有限公司 | A wet drilling rotary mechanism |
| CN114197454A (en) * | 2021-12-17 | 2022-03-18 | 广东劲拓建设工程有限公司 | Construction device and construction method for building foundation cast-in-place pile |
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2013
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| CN103527076A (en) | 2014-01-22 |
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