CN203097800U - Low-pressure light rotary control head without external cooling lubrication pump station - Google Patents
Low-pressure light rotary control head without external cooling lubrication pump station Download PDFInfo
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- CN203097800U CN203097800U CN 201320031893 CN201320031893U CN203097800U CN 203097800 U CN203097800 U CN 203097800U CN 201320031893 CN201320031893 CN 201320031893 CN 201320031893 U CN201320031893 U CN 201320031893U CN 203097800 U CN203097800 U CN 203097800U
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Abstract
The utility model discloses a low-pressure light rotary control head without an external cooling lubrication pump station, and belongs to the field of oil-gas and non-convectional gas unbalanced drilling well control devices. The rotary control head mainly comprises a rotation assembly, a clamping hoop assembly and a shell assembly, wherein the rotation assembly is arranged in a middle inner cavity of the shell assembly and connected with the shell assembly through the clamping hoop assembly, and a structure used for cooling and lubricating a bearing and a motive seal component in a centralized mode is arranged in the rotation assembly. Through the single-bearing rotation assembly, the difficulty of assembly precision of a plurality of bearings is lowered, and the height of the rotary control head is lowered. The cooling lubrication pump station does not need to be independently arranged, motive seal is changed to be wet friction, and the service life of the motive seal component is prolonged. In the clamping hoop assembly, a conical face and a step face are combined, and manual clamping hoop locking positioning assembly is benefited. In the shell assembly, a shell body and a bypass opening are of an integrated structure, flange conversion is not needed, and the weight and the manufacturing cost of the rotary control head are lowered.
Description
Technical field
The utility model relates to the well control device field of petroleum gas and unconventional natural gas under balance pressure drilling use, the light-duty swivel control head of particularly a kind of no plug-in cooling and lubricating pumping plant low pressure.
Background technology
World's exploitation measure of improving methane output at present mainly relies on underbalance friction jewel well operations, and the drilling well of underbalance pressure is meant that the pressure that in drilling process drilling well fluid column acts on the shaft bottom is lower than the bottom pore pressure, can find oil-gas reservoir so early.
Swivel control head is one of key equipment of under balance pressure drilling, geothermal drilling, coal bed gas drilling well, can between bore hole annulus and drill string, play the packing sealing function, and provide safely and effectively pressure control, has the effect of well being returned out fluid diversion well head simultaneously, therefore to improve the unconventional gas extraction efficient of China, need the supporting swivel control head of development to support as equipment.Swivel control head mainly is made of swivel control head housing and swivel control head glue core two parts, and a very important job is exactly the swivel control head glue core that changes the outfit when under balance pressure drilling.
In realizing process of the present utility model, the inventor finds that there is following problem at least in prior art:
A large amount of exploitations with the landing field petroleum gas, the exploitation of unconventional natural gas such as coal bed gas becomes the developing focus of China's energy, the reserves of verifying China's coal bed gas shale gas are huge, but at China's coal bed gas " three is low " storage characteristics, drilling equipment, directly quoting of well control device that existing oil drilling uses can not be improved production efficiency, increase cost of winning on the contrary, therefore become to attach most importance at China's supporting low cost, compact apparatus of unconventional gas extraction development.
The swivel control head that present domestic coal-bed gas exploitation underbalance operation is used mainly is divided into two classes: the first, and the external miniaturization swivel control head of import costs an arm and a leg; The second, the oil exploitation conventional equipment is directly quoted, and volume is big, can not satisfy truck-mounted drilling rig rig floor requirement for height, is unfavorable for carrying, and the high waste of cost is serious.
The housing of prior art swivel control head is divided into enclosure body and bypass assembly, need connect by carrying the silk structure, and enclosure body is big by flat-die forging moulding weight, machine expense height, and waste is serious; When the rotation assembly adopts four bearing arrangement assembly fees and difficulty, it is minimum that the swivel control head height can not be dropped to; In under-balance drilling operation, need additional cooling and lubricating pumping plant, by lubricating pump to rotation assembly lubricant housings supply of lubricant, the cooling and lubricating effect of adopting emulsion to continue; Cause fractureing of pipe joint easily in the replacing of the installation of well head and glue core, handling process, additional coldly simultaneously go lubricated pumping plant need take the well station location, carrying is also inconvenient.
Summary of the invention
Do not match in order to solve coal bed gas drilling well control equipment and operating mode, the swivel control head volume is big, the truck-mounted drilling rig rig floor is height-limited, the glue core is difficult for changing, and the problem that needs additional cooling and lubricating pumping plant, the utility model embodiment provides a kind of no plug-in cooling and lubricating pumping plant low pressure light-duty swivel control head, can satisfy the drilling condition of coal bed gas fully, Fast Algorithm for Mining, quick and convenient dismounting, resettlement, cost of production is low, with short production cycle.Described technical scheme is as follows:
The light-duty swivel control head of a kind of no plug-in cooling and lubricating pumping plant low pressure, described swivel control head mainly comprises rotation assembly, clip assembly, housing assembly, the middle part inner chamber of described housing assembly is provided with described rotation assembly, and described rotation assembly connects by described clip assembly with described housing assembly; Be provided with in the described rotation assembly bearing and dynamic sealing assembly are concentrated cooling, lubrication system; Described rotation assembly comprises at least: glue core, glue core terminal pad, gland ring, interior hexagonal plug, dust cap, hole back-up ring, the sealing of rotation assembly, rotary shell, outlet lubricating cup, outlet dust cap, outlet opening back-up ring, rotation assembly upper end cover, dust cover, central tube, sealing ring, rotation assembly upper end cover static seal circle, inlet dust cap, ingate back-up ring, inlet lubricating cup, bearing, spacer ring with holes, heavy bits hole, spacer ring, Che Shi sealing, dust ring, movable sealing gland.
Particularly, described rotary shell passes described rotation assembly sealing and is arranged in the enclosure body of described housing assembly, described central tube upper end is equipped with dust cap, the shaft shoulder place of described central tube is equipped with single shaft and holds, described bearing outside upper limb is provided with lock-screw, described bearing, lock-screw, central tube are installed in unidirectional location in the described rotary shell, described rotation assembly upper end cover connects location bearing with described rotary shell, the described rotation assembly upper end cover outside is provided with rotation assembly upper end cover static seal circle, and the inboard is provided with sealing ring.
Particularly, described dust cover connects with central tube, and the dynamic sealing assembly of being made up of spacer ring with holes, spacer ring, Che Shi sealing is installed in the described rotary shell movable sealing groove, fixes by the movable sealing gland, the joint is provided with gland ring, and described movable sealing gland inboard is provided with dust ring.
Particularly, described rotary shell outlet is provided with outlet lubricating cup, outlet dust cap, outlet opening back-up ring, and inlet is provided with inlet lubricating cup, inlet dust cap, ingate back-up ring; Described glue core terminal pad connects with described central tube lower end, and described glue core terminal pad upper end is provided with glue core terminal pad static seal circle and described central tube static seal, and described glue core is arranged on described glue core terminal pad lower end.
Particularly, described bearing and dynamic sealing assembly being concentrated cooling, lubrication system, is to be provided with the unique runner of bearing bore at the place, position of bearings, is provided with heavy bits hole below the described runner, and described spacer ring with holes position is provided with movable sealing oil-feed runner.
Particularly, described clip assembly comprises at least: manual clip, shoulder nut, clip left side body, the right body of clip, lifting bolt, eyelet bolt, cottor pin, eyelet bolt bearing pin, clip bearing pin; Described clip assembly is installed on described housing assembly upper end, seals the gap of described rotation assembly and described housing assembly by described rotation assembly.
Particularly, described manual clip comprises clip left side body and the right body of clip, connects by the clip bearing pin, is installed on the clip hinge seat of described housing assembly; Described lifting bolt is installed on described clip left side body and the right body of clip, and eyelet bolt is installed on the right body of described clip by the eyelet bolt bearing pin, connects firmly with cottor pin, and the described eyelet bolt other end is arranged in the body recess of a described clip left side; The conical surface of described manual clip is installed on the conical surface of described rotary shell upper end, and step surface is installed in the draw-in groove of described enclosure body.
Particularly, described housing assembly comprises at least: enclosure body, housing are suitable for reading, clip hinge seat, clip back-up block, stop screw, hanger, by-pass port; Described enclosure body and by-pass port are monolithic construction, and described clip hinge seat, clip back-up block, hanger are fixed in described enclosure body outer wall, and described stop screw is installed on the described clip back-up block.
The beneficial effect that the technical scheme that the utility model embodiment provides is brought is:
Hold the rotation assembly by single shaft, can reduce the difficulty of a plurality of bearing arrangement assembly precisions, reduce the height of swivel control head; Bearing and dynamic sealing assembly adopted concentrate cooling, lubrication system, movable sealing is become wet friction, prolong dynamic seal application life; Can directly add cooling, lubrication oil, provide the cooling and lubricating that continues effect, not need special supporting cooling and lubricating pumping plant the rotation assembly from lubricating cup; The structure that the clip left and right sides body of clip assembly adopts the conical surface to combine with step surface, more convenient manual locked clip device location assembling; Housing assembly adopts enclosure body and by-pass port monolithic construction, need not crossover flange, can reduce swivel control head weight simultaneously significantly and reduce cost of manufacture according to the suitable flange of client's needs standard configuration.
Description of drawings
In order to be illustrated more clearly in the technical scheme among the utility model embodiment, the accompanying drawing of required use is done to introduce simply in will describing embodiment below, apparently, accompanying drawing in describing below only is embodiment more of the present utility model, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the light-duty swivel control head structural representation of no plug-in cooling and lubricating pumping plant low pressure that the utility model embodiment provides;
Fig. 2 is the sectional view of Fig. 1 of providing of the utility model embodiment;
Fig. 3 is the vertical view of the clip assembly structure schematic diagram of the light-duty swivel control head of no plug-in cooling and lubricating pumping plant low pressure that provides of the utility model embodiment;
Fig. 4 is the left view of Fig. 3 of providing of the utility model embodiment;
Fig. 5 is the rear elevation of the housing assembly structural representation of the light-duty swivel control head of no plug-in cooling and lubricating pumping plant low pressure that provides of the utility model embodiment;
Fig. 6 is the vertical view of Fig. 5 of providing of the utility model embodiment.
Each symbolic representation implication is as follows among the figure:
1 rotation assembly; 4 glue cores, 6 glue core terminal pads, 7 hex nuts, 8 hexagon socket cap head screws, 9 gland rings, 10 cross sunk screws, 11 interior hexagonal plugs, 12 dust caps, 13 hole back-up rings, 14 rotation assembly sealings, 16 rotary shells, 17 outlet lubricating cups, 18 outlet dust caps, 19 outlet opening back-up rings, 20 rotation assembly upper end covers, 21 hexagon-headed bolts, 22 dust covers, 23 hexagon socket cap head screws, 24 central tubes, 25 sealing rings, 26 rotation assembly upper end cover static seal circles, 27 locking nuts, 28 inlet dust caps, 29 ingate back-up rings, 30 inlet lubricating cups, 31 bearings, 32 spacer rings with holes, 33 heavy bits holes, 34 spacer rings, 35 Che Shi sealing, 36 dust rings, 37 movable sealing glands;
2 clip assemblies; 15 manual clips, 42 shoulder nuts, 43 clips left side body, the right body of 44 clips, 45 lifting bolts, 46 eyelet bolts, 47 cottor pins, 48 eyelet bolt bearing pins, 49 clip bearing pins;
3 housing assemblies; 5 enclosure body, 38 nuts, 39 studs, 40 steel rings, 41 blank flanges, 50 housings are suitable for reading, 51 clip hinge seats, 52 clip back-up blocks, 53 stop screws, 54 hangers, 55 by-pass ports;
The A bearing bore only has runner, B movable sealing oil-feed runner.
The specific embodiment
For making the purpose of this utility model, technical scheme and advantage clearer, the utility model embodiment is described in further detail below in conjunction with accompanying drawing.
Referring to shown in Figure 1, the utility model embodiment provides a kind of no plug-in cooling and lubricating pumping plant low pressure light-duty swivel control head, do not need special supporting cooling and lubricating pumping plant, bearing and dynamic sealing assembly are adopted concentrated cooling, lubrication system, prolong dynamic seal application life, by glue core sealing drilling tool, realize pressure control; This swivel control head mainly is made of rotation assembly 1, clip assembly 2, housing assembly 3 etc.; The middle part inner chamber of described housing assembly 3 is provided with rotation assembly 1, and described rotation assembly 1 connects by clip assembly 2 with housing assembly 3, realizes the assembling of whole rotating control assembly; Be provided with in the described rotation assembly 1 bearing and dynamic sealing assembly are concentrated cooling, lubrication system.
Simultaneously referring to shown in Figure 2, particularly, as preferably, described rotation assembly 1 comprises at least: glue core 4, glue core terminal pad 6, hex nut 7, hexagon socket cap head screw 8, gland ring 9, cross sunk screw 10, interior hexagonal plug 11, dust cap 12, hole back-up ring 13, rotation assembly sealing 14, rotary shell 16, outlet lubricating cup 17, outlet dust cap 18, outlet opening back-up ring 19, rotation assembly upper end cover 20, hexagon-headed bolt 21, dust cover 22, hexagon socket cap head screw 23, central tube 24, sealing ring 25, rotation assembly upper end cover static seal circle 26, locking nut 27, inlet dust cap 28, ingate back-up ring 29, inlet lubricating cup 30, bearing 31, spacer ring 32 with holes, heavy bits hole 33, spacer ring 34, Che Shi sealing 35, dust ring 36, movable sealing gland 37 component such as grade.
Described rotary shell 16 passes rotation assembly sealing 14 and is seated in the cylindrical structural enclosure body 5 of housing assembly 3; Described central tube 24 upper ends are equipped with interior hexagonal plug 11, dust cap 12, hole back-up ring 13, avoid reducing this place's movable sealing life-span at the drilling fluid contamination O RunddichtringO 25 that rises, takes out of in the going down process; The shaft shoulder place of described central tube 24 is equipped with single shaft and holds 31, locatees by the shaft shoulder; Described bearing 31 outside upper limbs are locked it by lock-screw 27; Described bearing 31, lock-screw 27, central tube 24 are installed in the rotary shell 16, unidirectional location; Described rotation assembly upper end cover 20 is connected with rotary shell 16 by hexagon-headed bolt 21, location bearing 31, described rotation assembly upper end cover 20 outsides are provided with rotation assembly upper end cover static seal circle 26, realize the static seal of rotary shell 16 and rotation assembly upper end cover 20, avoid the leakage of lubrication oil, the inboard is provided with O RunddichtringO 25, realizes the rotary dynamic seal with central tube 24; Described dust cover 22 connects with central tube 24 by hexagon socket cap head screw 23; Be installed in the rotary shell 16 movable sealing grooves by spacer ring 32 with holes, spacer ring 34, Che Shi sealing 35 dynamic sealing assemblies of forming, fixing by movable sealing gland 37; Described movable sealing gland 37 inboards are provided with dust ring 36, and described rotary shell 16 connects by cross sunk screw 10 with movable sealing gland 37, and the connection place is provided with gland ring 9; The outlet of described rotary shell 16 tops is provided with outlet lubricating cup 17, outlet dust cap 18, outlet opening back-up ring 19, and inlet is provided with inlet lubricating cup 30, inlet dust cap 28, ingate back-up ring 29; Described glue core terminal pad 6 links by hexagon socket cap head screw 8 and central tube 24 lower ends, described glue core terminal pad 6 upper ends are provided with glue core terminal pad static seal circle, realize static seal with central tube 24, described glue core 4 is installed in glue core terminal pad 6 lower ends by studding bolt and hex nut 7, described glue core 4 salable drilling tools are realized pressure control.
What be provided with in the described rotation assembly 1 concentrates cooling, lubrication system to bearing and dynamic sealing assembly, be rotary shell 16 internal bore at rotation assembly 1, be provided with the unique runner A of bearing bore in bearing 31 positions, be provided with heavy bits hole 33 below the runner A, the abrasive dust that produces in described rotation assembly 1 motion process is deposited in the bits hole 33; Spacer ring with holes 32 positions are provided with movable sealing oil-feed runner B, described runner A, runner B are lubricated respectively, cooling bearing and dynamic sealing assembly, make cooling, lubricated and swivel control head is integrated, constitute no plug-in cooling and lubricating pumping plant, in under-balance drilling operation, need the cooling and lubricating pumping plant that adds in order to alternative prior art.
Simultaneously referring to Fig. 3, shown in Figure 4, particularly, as preferably, described clip assembly 2 comprises at least: manual component such as clip 15, shoulder nut 42, clip left side body 43, the right body 44 of clip, lifting bolt 45, eyelet bolt 46, cottor pin 47, eyelet bolt bearing pin 48, clip bearing pin 49; Described clip assembly 2 is installed on enclosure body 5 upper ends, by the gap between rotation assembly sealing 14 sealing rotation assemblies 1 and the housing assembly 3; Described manual clip 15 comprises clip left side body 43 and the right body 44 of clip, connects by clip bearing pin 49, is installed on the clip hinge seat 51 of described housing assembly 3; Two lifting bolt 45 symmetries are installed on clip left side body 43 and the right body 44 of clip, are used for the well head lifting operation; Eyelet bolt 46 is installed on the right body 44 of clip by eyelet bolt bearing pin 48, and connect firmly with cottor pin 47, swivel joint bolt 46 other ends are arranged in body 43 grooves of a clip left side, tighten shoulder nut 42, can realize the effect that sticks into of clip assembly 2, fixing rotation assembly 1; The cross section of described manual clip 15 is the conical surface and step surface integrated structure, the described conical surface is installed on the rotary shell 16 upper end conical surfaces, and step surface is installed in the draw-in groove of enclosure body 5, and this structure is more convenient for manual clip 15 locking positionings assembling, processing technology is more simple, and weight is lighter.
Simultaneously referring to Fig. 5, shown in Figure 6, particularly, as preferably, described housing assembly 3 comprises at least: component such as enclosure body 5, housing are suitable for reading 50, clip hinge seat 51, clip back-up block 52, stop screw 53, hanger 54, by-pass port 55; Described enclosure body 5 is a monolithic construction with by-pass port 55; Rotary shell 16 is installed in the interior sealing of seal groove in the described housing suitable for reading 50, realizes the static seal of rotation assembly 1 and housing assembly 3; Described clip hinge seat 51, clip back-up block 52 are welded on enclosure body 5 outer wall tops, described hanger 54 is welded on enclosure body 5 outer walls middle part, described clip hinge seat 51 provides center of rotation for clip assembly 2, the effect of clip back-up block 52 is to give manual clip 15 bodies to support when clip assembly 2 is opened, described four hangers 54 are distributed on enclosure body 5 peripheries, make things convenient for plant maintenance and well head to install; Stop screw 53 is installed on the clip back-up block 52 by screw thread.
The operating principle of the utility model embodiment: rotation assembly 1 upper end connects the kelly bar driver, rotate with respect to housing assembly 3 by central tube 24 in the kelly bar driven rotary assembly 1 and glue core 4, the drilling well medium flows out by by-pass port 55 through also empty, enter solid controlling system, realize the function of swivel control head: promptly realize the packing before of bore hole annulus and rig floor, the fluid diversion well head that ， returns out the Bowl eye of pressure control safely and effectively is provided.
During swivel control head work, the movable sealing oil-feed runner B that lubrication oil is provided with by spacer ring with holes 32 positions enters the contact area of central tube 24 and dynamic sealing assembly, forms film lubrication; Lubrication oil in the runner A is only arranged the bearing chamber because the effect of pressure can enter into the contact area of Che Shi sealing 35 and central tube 24, the realization lubrication; Simultaneously, the pressure of lubrication oil can be assisted Che Shi sealing 35 sealings, and well head pressure can be assisted Che Shi sealing 35 sealing kill-jobs.
The operating principle of described cooling, lubricant passage way: will cool off earlier, lubrication oil injects by inlet lubricating cup 30, the inlet dust cap 28 that is provided with in inlet lubricating cup 30 outsides can prevent, the drilling fluid contamination in the going down process cools off, lubrication oil, after the cooling that enters bearing bore, dynamic sealing assembly, lubrication oil realization effect, flow out by outlet lubricating cup 17, only there is runner A to go round and begin again by movable sealing oil-feed runner B and bearing chamber, the cooling of realization bearing and dynamic seal, lubricated; As if the abrasive dust that produces that works long hours because of swivel control head asphalt channel is stopped up, hexagonal plug 11 in can taking off can clean oil duct from inlet lubricating cup 30 injection pressure oil.
In addition, the advantage that the utility model embodiment also has, simple in structure, volume is little, and is with short production cycle, and glue core long service life is easy to change, and can be used for unconventional natural gas under-balance drilling operations such as coal bed gas, realizes the control of safety drilling hydraulic coupling.
The above only is preferred embodiment of the present utility model, and is in order to restriction the utility model, not all within spirit of the present utility model and principle, any modification of being done, is equal to replacement, improvement etc., all should be included within the protection domain of the present utility model.
Claims (8)
1. light-duty swivel control head of no plug-in cooling and lubricating pumping plant low pressure, it is characterized in that, described swivel control head mainly comprises rotation assembly (1), clip assembly (2), housing assembly (3), the middle part inner chamber of described housing assembly (3) is provided with described rotation assembly (1), and described rotation assembly (1) connects by described clip assembly (2) with described housing assembly (3); Be provided with in the described rotation assembly (1) bearing and dynamic sealing assembly are concentrated cooling, lubrication system; Described rotation assembly (1) comprises at least: glue core (4), glue core terminal pad (6), gland ring (9), interior hexagonal plug (11), dust cap (12), hole back-up ring (13), rotation assembly sealing (14), rotary shell (16), outlet lubricating cup (17), outlet dust cap (18), outlet opening back-up ring (19), rotation assembly upper end cover (20), dust cover (22), central tube (24), sealing ring (25), rotation assembly upper end cover static seal circle (26), inlet dust cap (28), ingate back-up ring (29), inlet lubricating cup (30), bearing (31), spacer ring with holes (32), heavy bits hole (33), spacer ring (34), Che Shi seals (35), dust ring (36), movable sealing gland (37).
2. the light-duty swivel control head of no plug-in cooling and lubricating pumping plant low pressure according to claim 1, it is characterized in that, described rotary shell (16) passes described rotation assembly sealing (14) and is arranged in the enclosure body (5) of described housing assembly (3), described central tube (24) upper end is equipped with dust cap (12), the shaft shoulder place of described central tube (24) is equipped with single shaft and holds (31), described bearing (31) outside upper limb is provided with lock-screw (27), described bearing (31), lock-screw (27), central tube (24) is installed in unidirectional location in the described rotary shell (16), described rotation assembly upper end cover (20) connects location bearing (31) with described rotary shell (16), described rotation assembly upper end cover (20) outside is provided with rotation assembly upper end cover static seal circle (26), and the inboard is provided with sealing ring (25).
3. the light-duty swivel control head of no plug-in cooling and lubricating pumping plant low pressure according to claim 1, it is characterized in that, described dust cover (22) connects with central tube (24), the dynamic sealing assembly of being made up of spacer ring with holes (32), spacer ring (34), Che Shi sealing (35) is installed in described rotary shell (16) the movable sealing groove, fixing by movable sealing gland (37), the joint is provided with gland ring (9), and described movable sealing gland (37) inboard is provided with dust ring (36).
4. the light-duty swivel control head of no plug-in cooling and lubricating pumping plant low pressure according to claim 1, it is characterized in that, described rotary shell (16) outlet is provided with outlet lubricating cup (17), outlet dust cap (18), outlet opening back-up ring (19), and inlet is provided with inlet lubricating cup (30), inlet dust cap (28), ingate back-up ring (29); Described glue core terminal pad (6) connects with described central tube (24) lower end, and described glue core terminal pad (6) upper end is provided with glue core terminal pad static seal circle and described central tube (24) static seal, and described glue core (4) is arranged on described glue core terminal pad (6) lower end.
5. the light-duty swivel control head of no plug-in cooling and lubricating pumping plant low pressure according to claim 1, it is characterized in that, described bearing and dynamic sealing assembly are concentrated cooling, lubrication system, be to be provided with the unique runner of bearing bore (A) in bearing (31) position, be provided with heavy bits hole (33) below the described runner (A), described spacer ring with holes (32) position is provided with movable sealing oil-feed runner (B).
6. the light-duty swivel control head of no plug-in cooling and lubricating pumping plant low pressure according to claim 1, it is characterized in that described clip assembly (2) comprises at least: manual clip (15), shoulder nut (42), clip left side body (43), the right body (44) of clip, lifting bolt (45), eyelet bolt (46), cottor pin (47), eyelet bolt bearing pin (48), clip bearing pin (49); Described clip assembly (2) is installed on described housing assembly (3) upper end, by the gap of described rotation assembly sealing (14) the described rotation assembly of sealing (1) with described housing assembly (3).
7. the light-duty swivel control head of no plug-in cooling and lubricating pumping plant low pressure according to claim 6, it is characterized in that, described manual clip (15) comprises clip left side body (43) and the right body (44) of clip, connects by described clip bearing pin (49), is installed on the described housing assembly (3); Described lifting bolt (45) is installed on described clip left side body (43) and the right body of described clip (44), eyelet bolt (46) is installed on the right body of described clip (44) by eyelet bolt bearing pin (48), connect firmly with described cottor pin (47), described eyelet bolt (46) other end is arranged in body (43) groove of a described clip left side; The conical surface of described manual clip (15) is installed on the conical surface of described rotary shell (16) upper end, and step surface is installed in the draw-in groove of described enclosure body (5).
8. the light-duty swivel control head of no plug-in cooling and lubricating pumping plant low pressure according to claim 1, it is characterized in that described housing assembly (3) comprises at least: enclosure body (5), housing (50) suitable for reading, clip hinge seat (51), clip back-up block (52), stop screw (53), hanger (54), by-pass port (55); Described enclosure body (5) is a monolithic construction with by-pass port (55), described clip hinge seat (51), clip back-up block (52), hanger (54) are fixed in described enclosure body (5) outer wall, and described stop screw (53) is installed on the described clip back-up block (52).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320031893 CN203097800U (en) | 2013-01-22 | 2013-01-22 | Low-pressure light rotary control head without external cooling lubrication pump station |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320031893 CN203097800U (en) | 2013-01-22 | 2013-01-22 | Low-pressure light rotary control head without external cooling lubrication pump station |
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| Publication Number | Publication Date |
|---|---|
| CN203097800U true CN203097800U (en) | 2013-07-31 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320031893 Expired - Fee Related CN203097800U (en) | 2013-01-22 | 2013-01-22 | Low-pressure light rotary control head without external cooling lubrication pump station |
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| CN (1) | CN203097800U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103939046A (en) * | 2013-01-22 | 2014-07-23 | 中国石油天然气集团公司 | Low-pressure light rotating control head without external cooling lubrication pump station |
| CN104708285A (en) * | 2015-03-17 | 2015-06-17 | 西南石油大学 | Rotary control head shell and manufacturing method thereof |
-
2013
- 2013-01-22 CN CN 201320031893 patent/CN203097800U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103939046A (en) * | 2013-01-22 | 2014-07-23 | 中国石油天然气集团公司 | Low-pressure light rotating control head without external cooling lubrication pump station |
| CN103939046B (en) * | 2013-01-22 | 2017-02-08 | 中国石油天然气集团公司 | Low-pressure light rotating control head without external cooling lubrication pump station |
| CN104708285A (en) * | 2015-03-17 | 2015-06-17 | 西南石油大学 | Rotary control head shell and manufacturing method thereof |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130731 Termination date: 20220122 |