CN207278181U - Push up driving force tap - Google Patents
Push up driving force tap Download PDFInfo
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- CN207278181U CN207278181U CN201721321178.1U CN201721321178U CN207278181U CN 207278181 U CN207278181 U CN 207278181U CN 201721321178 U CN201721321178 U CN 201721321178U CN 207278181 U CN207278181 U CN 207278181U
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Abstract
It the utility model is related to the top driving force tap in oil field, hollow spindle including cylinder, in cylinder and the motor for driving hollow spindle to rotate, the motor is direct driving motor, direct driving motor includes stator coil and the stator case for stator coil installation, and stator case is installed in the cylinder and circumferentially rotation stop coordinates with cylinder-shaped.In maintenance, direct driving motor can be pulled down with hollow spindle as a whole, other components in direct driving motor or cylinder can be overhauled, be reinstalled direct driving motor after the completion of maintenance；Compared with the prior art, maintenance workload is reduced, it is convenient to overhaul.
Description
Technical field
It the utility model is related to a kind of top driving force tap in oil field.
Background technology
At present in petroleum industry, drilling well/workover treatment power swivel has two kinds, and one kind is made using using direct current generator
It is small for power source, the moment of torsion of power swivel, it is impossible to meet drilling well/well workover needs of middle-deep well, smaller scope of application.It is another
Using fluid motor-driven, main shaft is imparted power to by gear reduction unit, output torque is big, and rotating speed is adjustable, easy to operate,
It is widely used in a variety of workover treatment equipments；But there is hydraulic system is bulky, installation is complicated, operation noise
Greatly, the problems such as high energy consumption, gear reduction unit are fragile, maintenance cost is high.
The Chinese utility model patent that notification number is CN201778651U, the day for announcing is 2011.03.30 discloses a kind of electricity
Dynamic well drilling top drive power swivel device, including cylinder 12 and stator coil 15, transmission shaft 9 in cylinder 12；Cylinder
12 top is equipped with upper cover 5, and upper cover 5 is equipped with drop handle 1, gooseneck 2 and floating washing pipe 3.Stator coil 15 using cylinder 12 as
Stator case, cylinder 12 include stator coil 15, the formation motor of rotor 16 for setting it internal；Transmission shaft 9 connects with motor transmission
Connect；The upper end of transmission shaft 9 is pierced by upper cover 5 upwards, and is connected with floating washing pipe 3；Gooseneck 2 is used for and fire hose band connection；Transmission
Rotary seal is formed between axis 9 and floating washing pipe 3 to coordinate.Transmission shaft 9 extends downwardly cylinder 12, and base bearing 82 needs to bear larger
Axial force, base bearing 82 is thrust bearing；The lower part of transmission shaft 9 is used to connect drilling tool.In drilling well/workover treatment,
The controlling switch of stator coil 15 is connected, transmission shaft 9 drives boring means rotation, and cleaner for high-pressure drilling fluid is through gooseneck 2, floating washing pipe
3 and transmission shaft 9 reach down-hole equipment, carry out circulation of drilling fluid.
For existing power swivel, its lighter in weight, easy for installation, work efficiency is higher.But due to by cylinder
Body 12 is used as stator case, when needing to repair base bearing 82, it is necessary to which transmission shaft 9 and rotor 16 are taken out from cylinder 12,
Ressembled during installation, since the relative position between stator coil 15 and rotor 16 is more demanding, dismount heavy workload, it is time-consuming
Arduously.
Utility model content
The purpose of this utility model is to provide one kind to push up driving force tap, exists for solving existing power swivel
Inconvenience maintenance the problem of.
To achieve the above object, the scheme 1 of the top driving force tap of the utility model is：Top driving force tap includes
Cylinder, hollow spindle and the motor for driving hollow spindle to rotate in cylinder, the motor is direct driving motor, straight to drive
Motor includes stator coil and the stator case for stator coil installation, and stator case is installed in the cylinder and and cylinder-shaped
Circumferentially rotation stop coordinates.
Scheme 2 is the top driving force tap according to scheme 1, and the direct driving motor includes motor shaft, and motor shaft passes
It is dynamic to be connected with transmission shaft；One end of transmission shaft and motor axis connection, the other end are used for output torque, and the hollow spindle is by motor
Axis and transmission shaft are formed.
Scheme 3 is the top driving force tap according to scheme 2, and top driving force tap includes being installed on the sky
Base bearing on heart main shaft and the bearing block for base bearing installation, the inner wall of cylinder are equipped with the bearing for the removable installation of bearing block
Seat erecting bed.
Scheme 4 is that the top driving force tap according to scheme 3, the cylinder axially has the first direct tube section
With the second direct tube section, the diameter of the second direct tube section is less than the first direct tube section, and the direct driving motor is arranged in the first direct tube section, institute
Bearing block is stated to be arranged in the second direct tube section.
Scheme 5 is that the top driving force tap according to scheme 4, second direct tube section is in the first direct tube section
Downside, the bearing block erecting bed are arranged on the inner wall of the second direct tube section close to the position of the first direct tube section.
Scheme 6 is the top driving force tap according to scheme 5, and the bearing block is small end conical seat directed downwardly.
Scheme 7 is the top driving force tap according to scheme 6, and the bottom of second direct tube section is equipped with for aiding in
The auxiliary bearing mounting base of bearing installation, auxiliary bearing mounting base are recessed towards the inner side of the second direct tube section.
Scheme 8 is, according to any one of them of scheme 4 to 7 top driving force tap, the direct driving motor have be used for
The cable plug of power cable connection, cable plug are arranged on the bottom wall of first direct tube section and are in second straight tube
The outside of section.
Scheme 9 is, according to any one of them of scheme 1 to 7 top driving force tap, top driving force tap includes setting
Upper cover at the top of the cylinder, the edge of upper cover stretch out the cylinder, are equipped with and add between the bottom surface of upper cover and the outer wall of cylinder
Strengthening tendons.
Scheme 10 is the top driving force tap according to scheme 9, and the circumferential wall of the upper cover is equipped with along upper cover
The torque arm radially extended.
The beneficial effects of the utility model are：Top driving force tap includes cylinder, and the motor in cylinder is direct driving motor,
Direct driving motor includes stator coil and the stator case for stator coil installation, and stator case is installed in the cylinder.Examining
When repairing, direct driving motor can be pulled down with hollow spindle as a whole, other components in direct driving motor or cylinder can be examined
Repair, be reinstalled direct driving motor after the completion of maintenance；Compared with the prior art, maintenance workload is reduced, it is convenient to overhaul.
Further, hollow spindle includes the motor shaft on direct driving motor and the transmission shaft being connected with electric machine shaft driving, electricity
Arbor and transmission shaft are hollow shaft；When being dismounted to direct driving motor, motor shaft and rotation axis can be dismantled, facilitate cylinder
In internals installation, convenient dismounting.
Further, cylinder axially has the first direct tube section and the second direct tube section along it, and the diameter of the second direct tube section is less than
First direct tube section, direct driving motor are installed in the first direct tube section, are installed on for the bearing block of base bearing installation in the second direct tube section.
Further, the bottom of second direct tube section is equipped with the auxiliary bearing mounting base for auxiliary bearing installation, auxiliary
Bearing mounting base is recessed towards the inner side of the second direct tube section, makes the bottom holding of the second direct tube section horizontal, reduces cylinder height.
Brief description of the drawings
Fig. 1 is the structure diagram of existing top driving force tap；
Fig. 2 is the structure diagram of the top driving force tap of the utility model.
Embodiment
The embodiment of the utility model is described further below in conjunction with the accompanying drawings.
The embodiment one of the top driving force tap of the utility model, as shown in Fig. 2, including cylinder 12 and installed in cylinder
Direct driving motor 6, bearing assembly 8 in 12, the top of cylinder 12 are equipped with upper cover 5, and the top of upper cover 5 is equipped with drop handle 1, gooseneck 2
With floating punch pipe assembly 3；Direct driving motor 6 includes stator case 61, stator coil 62, rotor 63 and motor shaft 64, motor shaft 64
For hollow shaft, the upper end of motor shaft 64 is rotatablely connected by upper auxiliary bearing 13 with upper cover 4, and the lower end of motor shaft 64 is sequentially connected
Transmission shaft 9；The circumferential wall of upper cover 5 is equipped with torque arm 4.
Cylinder 12 axially has the first direct tube section and the second direct tube section being arranged on the downside of the first direct tube section, straight to drive electricity
Machine 6 is installed in the first direct tube section, and bearing assembly 8 is installed in the second direct tube section.Upper cover 5 is stretched out in the upper end of motor shaft 64, and
Connect floating punch pipe assembly 3；Gooseneck 2 is arranged on the top of floating washing pipe 3, for fire hose band connection；Floating punch pipe assembly 3
Rotary seal is formed between motor shaft 64；The lower end of transmission shaft 9 is used to be connected with running string.
Bearing assembly 8 includes bearing block 81 and the base bearing 82 installed in bearing block dress, and base bearing 82 is thrust bearing；Axis
Bearing 81 is up big and down small conical seat, is equipped with the inner wall of the second direct tube section in the position of close first direct tube section and supplies bearing block
The bearing block erecting bed of 81 installations；Base bearing 82 is installed on the small end of bearing block 81；The big end of bearing block 81, which is equipped with, to be used for and axis
The outer step of bearing erecting bed backstop；Bearing block 81 and 12 releasable connection of cylinder.
The bottom of second direct tube section supplies the auxiliary bearing mounting base of lower auxiliary bearing 14 installation, auxiliary bearing mounting base direction
The inner recess of second direct tube section, the bottom of the second direct tube section keep horizontal.Auxiliary bearing mounting base is pacified with bearing directed downwardly
Mouth is filled, pressure is equipped with bearing gland at bearing installing port.Further, direct driving motor 6, which also has, is used for what is be connected with power cable
Cable plug 7, cable plug 7 is installed on the bottom of the first direct tube section and the outside in the second direct tube section, cable plug 7 pass through
Cable 10 connects switch board 11, and switch board 11 controls direct driving motor 6 to rotate.
In drilling well/workover operation construction, transmission shaft 9 is connected with running string, direct driving motor is started by switch board 11
6, transmission shaft 9 drives running string to rotate, and drilling fluid is conveyed through gooseneck 2, floating punch pipe assembly 3, motor shaft 64 and transmission shaft 9
To running string, circulation of drilling fluid is realized.Further, the axial walls of upper cover 5 are equipped with the torque arm radially extended along upper cover 5
4.When pushing up the work of driving force tap, limitation torque arm 4 inverts, and offsets direct driving motor 6 and rotates the operation torque produced.
Compared with the prior art, in maintenance, direct driving motor 6 can be pulled down with motor shaft 64 as a whole, can be driven afterwards to straight
Other components in motor 6 or cylinder 12 are overhauled, such as base bearing 82；Motor shaft 64 can be separated with transmission shaft 9, bearing block
81 can also pull down from cylinder 12；6/ bearing block 81 of direct driving motor is reinstalled after the completion of maintenance, installation effectiveness is higher, no
Easily error, reduces maintenance workload, convenient to overhaul.
Embodiment two, embodiment two and the difference of embodiment one are that bearing assembly is arranged on the upper of direct driving motor
Side；For cylinder, the second direct tube section is in the top of the first direct tube section；Can be only by for base bearing when being overhauled to base bearing
The bearing block of installation is pulled down.
In other embodiments, hollow spindle can also be arranged to whole axis, base bearing is sleeved on hollow spindle, cylinder
Erecting bed for base bearing installation is set on body, on the erecting bed that base bearing is pressed on hollow spindle on cylinder；Dismantling
During hollow spindle, base bearing is together pulled down with hollow spindle.
Claims (10)
1. push up driving force tap, including cylinder, the hollow spindle in cylinder and for drive hollow spindle rotate
Motor, it is characterised in that：The motor is direct driving motor, and direct driving motor includes stator coil and the stator for stator coil installation
Housing, stator case is installed in the cylinder and circumferentially rotation stop coordinates with cylinder-shaped.
2. top driving force tap according to claim 1, it is characterised in that：The direct driving motor includes motor shaft, electricity
Arbor is sequentially connected with transmission shaft；One end of transmission shaft and motor axis connection, the other end are used for output torque, the hollow spindle
Formed by motor shaft and transmission shaft.
3. top driving force tap according to claim 2, it is characterised in that：Top driving force tap includes being installed on institute
The base bearing on hollow spindle and the bearing block for base bearing installation are stated, the inner wall of cylinder is equipped with for the removable installation of bearing block
Bearing block erecting bed.
4. top driving force tap according to claim 3, it is characterised in that：The cylinder is axially straight with first
Cylinder section and the second direct tube section, the diameter of the second direct tube section are less than the first direct tube section, and the direct driving motor is arranged on the first direct tube section
In, the bearing block is arranged in the second direct tube section.
5. top driving force tap according to claim 4, it is characterised in that：Second direct tube section is in the first straight tube
The downside of section, the bearing block erecting bed are arranged on the inner wall of the second direct tube section close to the position of the first direct tube section.
6. top driving force tap according to claim 5, it is characterised in that：The bearing block is small end taper directed downwardly
Seat.
7. top driving force tap according to claim 6, it is characterised in that：The bottom of second direct tube section, which is equipped with, to be supplied
The auxiliary bearing mounting base of auxiliary bearing installation, auxiliary bearing mounting base are recessed towards the inner side of the second direct tube section.
8. according to claim 4 to 7 any one of them top driving force tap, it is characterised in that：The direct driving motor has
For the cable plug being connected with power cable, cable plug is arranged on the bottom wall of first direct tube section and in described the
The outside of two direct tube sections.
9. top driving force tap according to any one of claims 1 to 7, it is characterised in that：Push up driving force tap bag
The upper cover being arranged at the top of the cylinder is included, the edge of upper cover stretches out the cylinder, between the bottom surface of upper cover and the outer wall of cylinder
Equipped with reinforcing rib.
10. top driving force tap according to claim 9, it is characterised in that：The circumferential wall of the upper cover is equipped with edge
The torque arm radially extended of upper cover.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721321178.1U CN207278181U (en) | 2017-10-13 | 2017-10-13 | Push up driving force tap |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721321178.1U CN207278181U (en) | 2017-10-13 | 2017-10-13 | Push up driving force tap |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207278181U true CN207278181U (en) | 2018-04-27 |
Family
ID=61979408
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721321178.1U Active CN207278181U (en) | 2017-10-13 | 2017-10-13 | Push up driving force tap |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207278181U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109025797A (en) * | 2018-08-14 | 2018-12-18 | 北京探矿工程研究所 | Transmission device is driven on rig top, rig top is driven and rig |
-
2017
- 2017-10-13 CN CN201721321178.1U patent/CN207278181U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109025797A (en) * | 2018-08-14 | 2018-12-18 | 北京探矿工程研究所 | Transmission device is driven on rig top, rig top is driven and rig |
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