CN103527076A - Top-driving-power faucet - Google Patents

Top-driving-power faucet Download PDF

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Publication number
CN103527076A
CN103527076A CN201310538165.XA CN201310538165A CN103527076A CN 103527076 A CN103527076 A CN 103527076A CN 201310538165 A CN201310538165 A CN 201310538165A CN 103527076 A CN103527076 A CN 103527076A
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China
Prior art keywords
axle
hole
sleeve
ring
outside
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Granted
Application number
CN201310538165.XA
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CN103527076B (en
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贺燕麒
吴云峰
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CHTC Jove Heavy Industry Co Ltd
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CHTC Jove Heavy Industry Co Ltd
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Priority to CN201310538165.XA priority Critical patent/CN103527076B/en
Publication of CN103527076A publication Critical patent/CN103527076A/en
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Publication of CN103527076B publication Critical patent/CN103527076B/en
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Abstract

The invention provides a top-driving-power faucet which comprises a shaft (2), a sleeve (7) and sealing fixing structures arranged between the shaft (2) and the sleeve (7). The shaft (2) is provided with a shaft cooling water hole (201) which is connected with a water inlet hole from one end of the shaft and a second side through hole (203). A first side through hole (701) and an annular water channel (703) opposite to the shaft cooling water hole of the shaft (2) are formed in the middle position of the sleeve, and the sealing fixing structures are symmetrically distributed on the two sides of the annular water channel (703). The sealing fixing structures are provided with sealing pieces (8), separation sleeves (6), deep groove ball bearings (5), front covers (4) and rear covers (9) in sequence on the two sides of the annular water channel. The front covers (4) and rear covers (9) are fixedly connected with the end face of the sleeve respectively through bolts. The top-driving-power faucet is simple and convenient to dismount when a quick-wear piece needs to be replaced, and the structure of the faucet is simplified.

Description

A kind of top driving force water tap
Technical field
The present invention relates to geological drilling all-hydraulic drill technical field, especially a kind of water tap that is integrated in power output shaft inside of top-drive drilling.
Background technology
Top drive drilling is the new drilling technology rising in the international drilling well eighties in 20th century field, it is an important breakthrough of rotary drilling technology, top-drive drilling is to be secured in rotating driving device on drilling floor surface and to become the collection rotary power moving with tourist bus as rotating disk etc. former, 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, can drive again the connected drilling rod realization in bottom with it to rotatablely move.In normal operation, its underpart hangs drill string and drill bit, when rig drives drill bit to underground creeping into, because can causing the contact surface temperature of drill bit and rock, the huge frictional force between drill bit and rock sharply raises, therefore need to inject cooling water or cooling-air drill bit is implemented to cooling, common way is between main frame and output shaft, to 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 integral body also especially main shaft straight line slide up and down, the major function of this water tap is by cooling fluid or the cooling drill bit of cooling-air input drilling rod, the quality of its performance is directly connected to the result of use of complete equipment.
The ubiquitous problem of the current water tap for rig is that the ability of sealed high pressure air and press water is poor, wearing and tearing due to sealing ring in long use procedure cause the sealing self-tightening power of sealing ring to diminish, pressure-air or press water be easily from seepage between rotary main shaft and sealing unit, thereby the normal operation of equipment is impacted.And the two ends of the sleeve of water tap generally adopt bolt to be fixedly connected with, the main shaft of power swivel adopted and is threaded with being connected also of drill string, long-time use can make screw-thread rust, it is very large that this makes to dismantle difficulty when changing housing accessory, need to spend the plenty of time dismantles, and this makes spudder do to be difficult to continue carry out.
On the basis of above-mentioned prior art defect, applicant is through improving, proposed simple in structure, easy-off top driving force water tap, while making the maintaining of water tap, the dismantlement work of complexity becomes easily simple, has improved operating efficiency.
Summary of the invention
The problem existing for above-mentioned prior art, the object of this invention is to provide a kind of simple in structure, easy-off top driving force water tap, and while making the maintaining of water tap, the dismantlement work of complexity becomes easily simple, has improved 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 of the straight-through axle in one end, the axle cooling water hole that the other end is blind hole and the second side through hole 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 interior bore portion 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, sealing unit is installed in outside at described ring-type water channel, outside at sealing unit is provided with spacer, in the outside of spacer, be provided with described deep groove ball bearing, in the outside of deep groove ball bearing, be respectively equipped with protecgulum and bonnet, described protecgulum and bonnet are fixed by the end face of bolt and sleeve respectively;
Described sealing unit is for can bear at least hermetically-sealed construction of 20Mpa hydraulic pressure.
Further, in the outside of bonnet, be provided with thrust ball bearing, in the outside of thrust ball bearing, be provided with card key, card key cap and circlip for shaft, 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.
A top driving force water tap for rig, comprises 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 of the straight-through axle in one end, the axle cooling water hole that the other end is blind hole and the second side through hole 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 interior bore portion 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, in the outside of described ring-type water channel, folded spring is installed, outside at folded spring is provided with sealing unit, outside at sealing unit is provided with spacer, in the outside of spacer, be provided with described taper roll bearing, the taper roll bearing of one side is pressed on the front end face of flange, the taper roll bearing outside of opposite side is provided with bonnet, the side tool taper seat of described bonnet, described bonnet is fixing by one end external screw thread rotation 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 for can bear at least hermetically-sealed construction of 20Mpa hydraulic pressure.
Further, on the taper seat at described sleeve two ends, be 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: simplified the structure of water tap, water tap is easily dismantled, when maintaining, the dismantlement work of complexity becomes easily simple, has improved 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:
1 O 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
The specific embodiment
Following examples are used for illustrating the present invention, but are not used for limiting the scope of the invention.
Embodiment 1
If Fig. 1 is the principal section figure of water tap, a kind of power swivel for top drive drilling, comprises axle 2, sleeve 7, and deep groove ball bearing 5 connecting axles 2 and sleeve 7, make described axle 2 rotate around axis, and sleeve is motionless.There is the first side through hole 701 sleeve 7 middle parts, connect cooling water nozzle, sleeve is large at the external diameter of the interior diameter ratio shaft 2 of side through hole part, form ring-type water channel 702, axle 2 is provided with the cooling water hole 201 of straight-through front end, ring-type water channel relative position place at cooling water hole 201 cecums and sleeve 7 is provided with the second side through hole 203, and the cooling water hole 201 of described axle forms path with described ring-type water channel 702; Described ring-type water channel 702 both sides respectively have sealing unit 8 one, to stop cooling water excessive.In the outside of sealing unit 8, be provided with spacer 6, the outside of spacer 6 is provided with a deep groove ball bearing 5, gland 4 and rear pressing cover 9 before deep groove ball bearing 5 outsides are respectively equipped with, in rear pressing cover 9 outsides, install thrust ball bearing 11 additional, in thrust ball bearing 11 outsides, in the groove of axle 2, be provided with card key 12, card key cap 13 simultaneously, in the outside of card key cap 13, in the groove of axle 2, be provided with circlip for shaft 14 simultaneously.Described sealing unit 8 is for can bear at least hermetically-sealed construction of 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 water tap 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, make described axle 2 rotate around axis, and sleeve is motionless.The structure of sleeve 7 does not have to change substantially, identical with embodiment 1, and just inner wall of end has the taper hole gradient of 5 °~15 °.Respectively there are together folded spring 16 and sealing unit 8 in the ring-type water channel both sides of described sleeve 7, to stop cooling water excessive.In the outside of sealing unit 8, be provided with spacer 6, the outside of spacer 6 be respectively equipped with a taper roll bearing 5 ', right-hand member taper roll bearing 5 ' outside be provided with rear pressing cover 9, described rear pressing cover 9 internal threads are fixedly connected with axle 2; The flange 202 of described axle 2 has the frustum gradient of 5 °~15 °, the protecgulum 4 that replaces 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 flange 202 and the rear pressing cover 9 of described axle 2 respectively, and is provided with O-ring seals.
Described sealing unit 8 is for can bear at least hermetically-sealed construction of 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 in the situation that sealing ring is constantly worn, its lip still can lean on hydraulic pressure spreading, guarantees sealing.

Claims (8)

1. a top driving force water tap, comprises 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 of the straight-through axle in one end, the axle cooling water hole (201) that the other end is blind hole and the second side through hole (203) communicating with axle cooling water hole one end at blind hole end;
Described sleeve (7) has axially extending bore, and the middle part of described sleeve is provided with the first side through hole (701), and the interior bore portion 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), sealing unit (8) is installed in outside at described ring-type water channel (702), in the outside of sealing unit (8), spacer (6) is installed, in the outside of spacer (6), be provided with described deep groove ball bearing (5), in the outside of deep groove ball bearing (5), be respectively equipped with protecgulum (4) and bonnet (9), described protecgulum (4) and bonnet (9) are fixed by the end face of bolt and sleeve respectively,
Described sealing unit (8) is for can bear at least hermetically-sealed construction of 20Mpa hydraulic pressure.
2. a top as claimed in claim 1 driving force water tap, it is characterized in that, in the outside of bonnet (9), be provided with thrust ball bearing (10), in the outside of thrust ball bearing (10), be provided with card key (12), card key cap (13) and circlip for shaft (14), described card key (12) and circlip for shaft (14) are stuck in the groove of axle (2) end.
3. a top as claimed in claim 1 or 2 driving force water tap, is characterized in that, the matching part of described protecgulum and axle (2) is provided with dust ring (3).
4. the top driving force water tap as described in claim 1-3 any one, 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.
5. a top driving force water tap, comprises 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 of the straight-through axle in one end, the axle cooling water hole (201) that the other end is blind hole and the second side through hole (203) communicating with axle cooling water hole one end at blind hole end;
Described sleeve (7) has axially extending bore, and the middle part of described sleeve is provided with the first side through hole (701), and the interior bore portion 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), in the outside of described ring-type water channel (702), folded spring (16) is installed, outside at folded spring (16) is provided with sealing unit (8), in the outside of sealing unit (8), spacer (6) is installed, in the outside of spacer (6), be provided with described taper roll bearing (5 '), the taper roll bearing of one side (5 ') is pressed on the front end face of flange (202), the taper roll bearing of opposite side (5 ') outside is provided with bonnet (9), the side of described bonnet (9) has taper seat, described bonnet (9) is fixing by one end external screw thread rotation 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 sealing unit (8) is for can bear at least hermetically-sealed construction of 20Mpa hydraulic pressure.
6. a top as claimed in claim 5 driving force water tap, is characterized in that, on the taper seat at described sleeve two ends, is respectively equipped with O-ring seals.
7. a top as claimed in claim 5 driving force water tap, is characterized in that, described flange (2), sleeve (7) and the taper seat of bonnet and the angle of its axis are 5 °~15 °.
8. the top driving force water tap as described in claim 5-7 any one, 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.
CN201310538165.XA 2013-11-04 2013-11-04 A kind of top driving force water tap Active CN103527076B (en)

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Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107191600A (en) * 2017-06-19 2017-09-22 珠海市英格尔特种钻探设备有限公司 A kind of unit head sealing structure for water of portable drill
CN109237043A (en) * 2018-11-30 2019-01-18 恒天九五重工有限公司 A kind of rotary sealing appts of water supply or the air supply system dual fail-safe of drilling machine
CN109237029A (en) * 2018-11-30 2019-01-18 恒天九五重工有限公司 A kind of rotary sealing appts
CN109268504A (en) * 2018-11-30 2019-01-25 恒天九五重工有限公司 A kind of rotary sealing appts of dual fail-safe
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
CN109282036A (en) * 2018-11-30 2019-01-29 恒天九五重工有限公司 The water supply or air supply system dual fail-safe of drilling machine and high voltage bearing rotary sealing appts
CN109281613A (en) * 2018-11-30 2019-01-29 恒天九五重工有限公司 A kind of water supply of drilling machine or air supply system rotary sealing appts
CN109282040A (en) * 2018-11-30 2019-01-29 恒天九五重工有限公司 A kind of water supply of drilling machine or the high voltage bearing rotary sealing appts of air supply system
CN109282039A (en) * 2018-11-30 2019-01-29 恒天九五重工有限公司 A kind of dual fail-safe and high voltage bearing rotary sealing appts
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 Wet-type drilling rotation 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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Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107191600A (en) * 2017-06-19 2017-09-22 珠海市英格尔特种钻探设备有限公司 A kind of unit head sealing structure for water of portable drill
CN109237043A (en) * 2018-11-30 2019-01-18 恒天九五重工有限公司 A kind of rotary sealing appts of water supply or the air supply system dual fail-safe of drilling machine
CN109237029A (en) * 2018-11-30 2019-01-18 恒天九五重工有限公司 A kind of rotary sealing appts
CN109268504A (en) * 2018-11-30 2019-01-25 恒天九五重工有限公司 A kind of rotary sealing appts of dual fail-safe
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
CN109282036A (en) * 2018-11-30 2019-01-29 恒天九五重工有限公司 The water supply or air supply system dual fail-safe of drilling machine and high voltage bearing rotary sealing appts
CN109281613A (en) * 2018-11-30 2019-01-29 恒天九五重工有限公司 A kind of water supply of drilling machine or air supply system rotary sealing appts
CN109282040A (en) * 2018-11-30 2019-01-29 恒天九五重工有限公司 A kind of water supply of drilling machine or the high voltage bearing rotary sealing appts of air supply system
CN109282039A (en) * 2018-11-30 2019-01-29 恒天九五重工有限公司 A kind of dual fail-safe and high voltage bearing rotary sealing appts
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 Wet-type drilling rotation 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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