CN204663383U - A kind of pressure balance workover rig hydraulic swivel head - Google Patents
A kind of pressure balance workover rig hydraulic swivel head Download PDFInfo
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- CN204663383U CN204663383U CN201520249853.9U CN201520249853U CN204663383U CN 204663383 U CN204663383 U CN 204663383U CN 201520249853 U CN201520249853 U CN 201520249853U CN 204663383 U CN204663383 U CN 204663383U
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Abstract
The utility model relates to a kind of pressure balance workover rig hydraulic swivel head, comprise casing, input assembly and output assembly, input assembly comprises input gear axle and input flange, input gear axle is arranged in input method flange aperture by bearing, input flange is arranged on input method flange aperture place, export assembly and comprise output gear shaft, output gear shaft is located in the output shaft through hole of casing by bearing, the outside of casing is also provided with semi-circular oil inlet pipe and the semi-circular oil return pipe of around tank setting, semi-circular oil inlet pipe is provided with branch's oil-in and total oil-in, semi-circular oil return pipe is provided with branch's oil return opening and total oil return opening.Pressure balance workover rig hydraulic swivel head of the present utility model, the overall weight of hydraulic swivel head obviously alleviates, and integrated hydraulic motor and annular oil circuit on hydraulic swivel head, the hydraulic circuit of multiple hydraulic motor can be merged, reduce the quantity of oil pipe, convenient installation and maintenance.
Description
Technical field
The utility model relates to technical field of mechanical transmission, is specifically related to a kind of pressure balance workover rig hydraulic swivel head.
Background technology
Current domestic production be all snubbing serving device be what to separate with workover rig, during to on-the-spot workover treatment, need, with other mobile device, snubbing serving device is transported to well site, then with removing a crane, coordinating operation work connects together snubbing serving device and workover rig, again all hydraulic lines are coupled together, just workover treatment can be carried out, but it is very inconvenient to operate, this is because operated together by two people, cooperate very difficult, and efficiency is very low; In addition because the operating room of well workover is mounted in the tailstock, this position not only sight line is very bad, and very dangerous.Application people has once applied for a utility model patent for solving the problem, patent name is: a kind of hydraulic swivel head for pressure balance workover rig, publication number is: 203856400U, the hydraulic swivel head of this structure can make pressure balance workover rig have drilling well and well workover function concurrently, just operation preparation can be carried out after pressure balance workover rig to well site, do not need other equipment with the use of, but in use also find some defects, on the one hand: the overall weight of hydraulic swivel head is comparatively large, install and use all inconvenient.On the other hand: hydraulic swivel head input is by 4 fluid motor-driven, each motor is by having 1 oil-in and oil-out respectively, 8 road conduit under fluid pressures are just needed to connect 8 hydraulic fluid ports respectively during onsite application, installation is inconvenient and hydraulic swivel head top slips exports as rotary motion, conduit under fluid pressure static element and revolving part distance very closely, are prone to accidents in operation process.
Utility model content
The purpose of this utility model is the deficiency for solving the problems of the technologies described above, a kind of pressure balance workover rig hydraulic swivel head is provided, the overall weight of hydraulic swivel head obviously alleviates, and integrated hydraulic motor and annular oil circuit on hydraulic swivel head, the hydraulic circuit of multiple hydraulic motor can be merged, reduce the quantity of oil pipe, convenient installation and maintenance.
The utility model is the deficiency solved the problems of the technologies described above, the technical scheme adopted is: a kind of pressure balance workover rig hydraulic swivel head, comprise casing, input assembly and output assembly, casing center has an output shaft through hole run through, the upper surface of casing is positioned at around output shaft through hole and is provided with multiple input method flange aperture, input assembly comprises input gear axle and input flange, input gear axle is arranged in input method flange aperture by deep groove ball bearing, input flange is arranged on input method flange aperture place, export assembly and comprise output gear shaft, output gear shaft is located in the output shaft through hole of casing by self-aligning thrust roller bearing, the upper end of casing is provided with case lid, case lid center has the circular hole corresponding with output shaft through hole, be connected by labyrinth seal lid and rotary oil seal between output gear shaft with case lid, and labyrinth seal lid is fixedly connected with output gear shaft by bolt, the lower end of output gear shaft is bolted bearing plate, rotary oil seal is provided with between bearing plate and casing, described hydraulic swivel head also has lockable mechanism, lockable mechanism comprises locking seat and locking rod, locking seat is fixedly installed on case lid, locking rod is connected with locking seat by pin, the outer of labyrinth seal lid is provided with the locking mouth that can hold locking rod
Improvement as a kind of pressure balance workover rig of the utility model hydraulic swivel head: the outside of described casing is also provided with semi-circular oil inlet pipe and the semi-circular oil return pipe of around tank setting, semi-circular oil inlet pipe is provided with the branch oil-in consistent with input flange hole number and a total oil-in, and semi-circular oil return pipe is provided with the branch oil return opening consistent with input flange hole number and a total oil return opening.
beneficial effect
1, hydraulic swivel head of the present utility model has fuel ring pipe, the hydraulic circuit of multiple hydraulic motor can be merged, and reduces the quantity of oil pipe, convenient installation and maintenance.
2, hydraulic swivel head of the present utility model can directly use bolt to be connected with pressure balance workover rig gripper shoe, and the connection taper hole on the procapsid eliminated makes the volume and weight of hydraulic swivel head all reduce, convenient installation and maintenance.
Accompanying drawing explanation
Fig. 1 is the plan structure schematic diagram of the utility model hydraulic swivel head;
Fig. 2 is the internal construction schematic diagram that Fig. 1 cuts open along A-A face;
Fig. 3 is the fuel ring pipe structural representation a of the utility model hydraulic swivel head;
Fig. 4 is the fuel ring pipe structural representation b of the utility model hydraulic swivel head;
Mark in figure: 1, casing, 2, input gear axle, 3, input flange, 4, output gear shaft, 5, case lid, 6, labyrinth seal lid, 7, rotary oil seal, 8, bearing plate, 9, semi-circular oil inlet pipe, 10, branch's oil-in, 11, total oil-in, 12, branch's oil return opening, 13, total oil return opening, 14, locking seat, 15, locking rod, 16, locking mouth, 17, semi-circular oil return pipe.
Detailed description of the invention
As shown in the figure: a kind of pressure balance workover rig hydraulic swivel head, comprise casing 1, input assembly and export assembly, casing 1 center has an output shaft through hole run through, the upper surface of casing 1 is positioned at around output shaft through hole and is provided with multiple input method flange aperture, input method flange aperture described in the present embodiment is provided with four, and four input flange pore size distributions in output gear shaft 4 around.Input assembly comprises input gear axle 2 and input flange 3, input gear axle 2 is arranged in input method flange aperture by deep groove ball bearing, input flange 3 is arranged on input method flange aperture place, export assembly and comprise output gear shaft 4, output gear shaft 4 is located in the output shaft through hole of casing 1 by self-aligning thrust roller bearing, the upper end of casing 1 is provided with case lid 5, case lid 5 center has the circular hole corresponding with output shaft through hole, be connected by labyrinth seal lid 6 and rotary oil seal 7 between output gear shaft 4 with case lid 5, and labyrinth seal lid 6 is fixedly connected with output gear shaft 4 by bolt, the lower end of output gear shaft 4 is bolted bearing plate 8, rotary oil seal 7 is provided with between bearing plate 8 and casing 1, the outside of described casing 1 is also provided with semi-circular oil inlet pipe 9 and the semi-circular oil return pipe 17 of around tank 1 setting, semi-circular oil inlet pipe 9 is provided with the branch oil-in 10 consistent with input flange hole number and a total oil-in 11, semi-circular oil return pipe 17 is provided with the branch oil return opening 12 consistent with input flange hole number and a total oil return opening 13, the hydraulic circuit of multiple hydraulic motor can merge by the set-up mode of this oil circuit, reduce the quantity of oil pipe, convenient installation and maintenance.Causing danger to prevent hydraulic swivel head in walking process from rotating, when pressure balance workover rig is walked, locking system being adjusted to locking state.Described hydraulic swivel head also has lockable mechanism, lockable mechanism comprises locking seat 14 and locking rod 15, locking seat 14 is fixedly installed on case lid 5, and locking rod 15 is connected with locking seat 14 by pin, and the outer of labyrinth seal lid 6 is provided with the locking mouth 16 that can hold locking rod 15.
More than show and describe general principle of the present invention and principal character and advantage of the present invention.The technician of the industry should understand; the present invention is not restricted to the described embodiments; what describe in above-described embodiment and manual just illustrates principle of the present invention; without departing from the spirit and scope of the present invention; the present invention also has various changes and modifications, and these changes and improvements all fall in the claimed scope of the invention.Application claims protection domain is defined by appending claims and equivalent thereof.
Claims (3)
1. a pressure balance workover rig hydraulic swivel head, it is characterized in that: comprise casing (1), input assembly and output assembly, casing (1) center has an output shaft through hole run through, the upper surface of casing (1) is positioned at around output shaft through hole and is provided with multiple input method flange aperture, input assembly comprises input gear axle (2) and input flange (3), input gear axle (2) is arranged in input method flange aperture by deep groove ball bearing, input flange (3) is arranged on input method flange aperture place, export assembly and comprise output gear shaft (4), output gear shaft (4) is located in the output shaft through hole of casing (1) by self-aligning thrust roller bearing, the upper end of casing (1) is provided with case lid (5), case lid (5) center has the circular hole corresponding with output shaft through hole, be connected by labyrinth seal lid (6) and rotary oil seal (7) between output gear shaft (4) with case lid (5), and labyrinth seal lid (6) is fixedly connected with output gear shaft (4) by bolt, the lower end of output gear shaft (4) is bolted bearing plate (8), rotary oil seal (7) is provided with between bearing plate (8) and casing (1), the outside of described casing (1) is also provided with the semi-circular oil inlet pipe (9) and semi-circular oil return pipe (17) that around tank (1) arranges, semi-circular oil inlet pipe (9) is provided with the branch oil-in (10) consistent with input flange hole number and a total oil-in (11), semi-circular oil return pipe (17) is provided with the branch oil return opening (12) consistent with input flange hole number and a total oil return opening (13).
2. a kind of pressure balance workover rig hydraulic swivel head as claimed in claim 1, is characterized in that: described input method flange aperture is provided with four, four input flange pore size distributions in output gear shaft (4) around.
3. a kind of pressure balance workover rig hydraulic swivel head as claimed in claim 1, it is characterized in that: described hydraulic swivel head also has lockable mechanism, lockable mechanism comprises locking seat (14) and locking rod (15), locking seat (14) is fixedly installed on case lid (5), locking rod (15) is connected with locking seat (14) by pin, and the outer of labyrinth seal lid (6) is provided with the locking mouth (16) that can hold locking rod (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520249853.9U CN204663383U (en) | 2015-04-23 | 2015-04-23 | A kind of pressure balance workover rig hydraulic swivel head |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520249853.9U CN204663383U (en) | 2015-04-23 | 2015-04-23 | A kind of pressure balance workover rig hydraulic swivel head |
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| Publication Number | Publication Date |
|---|---|
| CN204663383U true CN204663383U (en) | 2015-09-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520249853.9U Active CN204663383U (en) | 2015-04-23 | 2015-04-23 | A kind of pressure balance workover rig hydraulic swivel head |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106837210A (en) * | 2017-03-27 | 2017-06-13 | 洛阳雷斯达传动有限公司 | A kind of high-pressure rotary seat for pressure balance workover rig slips group rotation fuel feeding |
| CN111636814A (en) * | 2020-05-07 | 2020-09-08 | 四川宏华石油设备有限公司 | Hydraulic rotary table structure |
-
2015
- 2015-04-23 CN CN201520249853.9U patent/CN204663383U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106837210A (en) * | 2017-03-27 | 2017-06-13 | 洛阳雷斯达传动有限公司 | A kind of high-pressure rotary seat for pressure balance workover rig slips group rotation fuel feeding |
| CN111636814A (en) * | 2020-05-07 | 2020-09-08 | 四川宏华石油设备有限公司 | Hydraulic rotary table structure |
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