CN206668231U - Directly drive extracting device of oil in a kind of screw pump ground with reverse-rotation preventing function - Google Patents
Directly drive extracting device of oil in a kind of screw pump ground with reverse-rotation preventing function Download PDFInfo
- Publication number
- CN206668231U CN206668231U CN201720421121.2U CN201720421121U CN206668231U CN 206668231 U CN206668231 U CN 206668231U CN 201720421121 U CN201720421121 U CN 201720421121U CN 206668231 U CN206668231 U CN 206668231U
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- CN
- China
- Prior art keywords
- motor
- polished rod
- bearing block
- mounting rack
- upper plate
- 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.)
- Withdrawn - After Issue
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Abstract
The utility model belongs to screw-pump oil-extraction equipment field, more particularly to extracting device of oil is directly driven on a kind of screw pump ground with reverse-rotation preventing function, including motor, side's card and polished rod, motor is erected at the top of blowout preventer, the hollow output shaft of motor is directly connected with the upper end of polished rod, so as to drive polished rod to rotate, motor mounting rack is provided with above the blowout preventer, motor is fixedly mounted on the top of motor mounting rack, blowout preventer is connected to the bottom of motor mounting rack by flange, motor mounting rack, including upper plate, lower plate and bearing block.The upper end of described polished rod is passed through by the hole of lower plate and bearing block center, side's card for clamping polished rod is fixedly mounted on the upper end of polished rod, the top that the output shaft of motor is blocked by the concave-convex fit structure side of being connected to being staggered, so as to realize the effect of shaft coupling, thrust bearing is provided between bearing block and Fang Ka.The possibility that polished rod contacts with people after reversion accident occurs is eliminated, thoroughly avoids casualty accident.
Description
Technical field
The utility model belongs to screw-pump oil-extraction equipment field, more particularly to a kind of screw pump with reverse-rotation preventing function
Directly drive extracting device of oil in face.
Background technology
At present, in technical field of petroleum extraction, screw pump direct driving device is a kind of oil rig being widely adopted.At this
In device, the upper end of polished rod needs the hollow shaft through motor to be directed to the upside of motor, in such cases, once polished rod is for some reason
Barrier is inverted, and the polished rod upper end exposed outside can be bent under the influence of centrifugal force, and rotation will be to dimension after polished rod bending
Repair worker to cause directly to injure, cause casualties, great potential safety hazard be present.Therefore, it is necessary to when polished rod inverts to it
Braked.
In the prior art, scientific research personnel is devoted for years in anti-to solve polished rod by researching and developing reliable anti-reverse braking technology
The problem of turning to hurt sb.'s feelings, the anti-reverse braking technology generally used at present has two kinds of electromagnetic braking and mechanical braking.Electromagnetic braking, it is
Exporting a caused magnetic direction to machine winding from controller makes the electric current of motor reversal speed decrease, reaches limitation reversion
Effect, in the event of a power failure, braking will fail.Mechanical braking, braked by frictional brake element, once system
Dynamic mechanism malfunction, braking will fail.It can be seen that two kinds of modes of braking are difficult to ensure that the absolute validity of braking.
The content of the invention
The utility model provides a kind of screw pump ground with reverse-rotation preventing function and directly drives extracting device of oil, in the apparatus,
The upper end of polished rod is not exposed, even if brake fade, polished rod also can only be rotated in the inside of device, meanwhile, when polished rod inverts
Other mechanism kinematics outside device will not be driven, therefore maintenance personal will not be damaged.
The technical problem that the utility model solves is realized using following technical scheme：The utility model provides a kind of tool
Extracting device of oil is directly driven on the screw pump ground for having reverse-rotation preventing function, including motor, side's card and polished rod, motor are erected at the upper of blowout preventer
Side, the hollow output shaft of motor is directly connected with the upper end of polished rod, and so as to drive polished rod to rotate, the top of the blowout preventer is set
There is motor mounting rack, motor is fixedly mounted on the top of motor mounting rack, and blowout preventer is connected to motor mounting rack by flange
Bottom；
Motor mounting rack, including upper plate, lower plate and bearing block, described motor are fixedly mounted on the upside of upper plate, motor
Output shaft down, lower plate and bearing block are fixedly connected on the upside of blowout preventer by same group of bolt, and bearing seat is in lower plate
Upside, is provided with rotating seal between polished rod and bearing block, at least three groups of sliding sleeves and cunning are provided between upper plate and bearing block
Bar, by the cooperation of sliding sleeve and slide bar make upper plate can under external force driving vertically Stable sliding, wherein, sliding sleeve is fixed on
The upside of bearing block, slide bar are fixed on the downside of upper plate, and being provided between upper plate and lower plate can be manual very heavy with rear removal
Top, upper plate can together be held up upwards together with motor thereon with the hand jack of rear removal by operation；
The upper end of described polished rod is passed through by the hole of lower plate and bearing block center, and side's card for clamping polished rod is fixedly mounted
In the upper end of polished rod, top that the output shaft of motor is blocked by the concave-convex fit structure side of being connected to being staggered, so as to real
The effect of existing shaft coupling, is provided with thrust bearing between bearing block and Fang Ka.
Preferably, being slidably matched between described sliding sleeve and slide bar can be locked by clamping screw.
Preferably, protective cover is installed, the axial dimension of protective cover is equal to described sliding sleeve on the downside of described upper plate
Length.
The beneficial effects of the utility model are：In the prior art, scientific research personnel is devoted for years in reliable anti-by researching and developing
Reverse rotating brake technology is hurted sb.'s feelings to solve the problems, such as that polished rod inverts, and the utility model has abandoned this thinking.The utility model will
The structure of existing screw pump direct driving device has carried out inventive improvements, is limited by the position of the upper end to polished rod, and
Will side's card and the structure setting such as thrust bearing in the downside of motor, not only eliminate what polished rod after reversion accident occurs contacted with people
Possibility, thoroughly avoids casualty accident, and also effectively prevent polished rod upper end can bend under the influence of centrifugal force, reduces polished rod
The probability damaged etc. equipment in the case where reversion is impacted.
In addition, in the prior art, it is necessary to call autocrane to hang motor when being repaired to screw pump direct driving device
Rise and remove, and the utility model is provided with the hydraulicefficiency elevation structure driven by hand jack, manually jack can be by weight
Lifted up to hundreds of kilograms of motors, expose the upper end of polished rod, so as to realize the replacing of thrust bearing and rotating seal.Cause
This, maintenance is easier, cost is lower.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model；
Fig. 2 is the sectional view at A in Fig. 1.
In figure：1- blowout preventers, 2- lower plates, 3- bearing blocks, 4- can be slided in the hand jack with rear removal, 5- sliding sleeves, 6-
Bar, 7- upper plates, 8- motors, 9- output shafts, 10- protective covers, 11- side's card, 12- thrust bearings, 13- rotating seals, 14- light
Bar.
Embodiment
The utility model is described further below in conjunction with accompanying drawing：
The present embodiment includes motor 8, side's card 11 and polished rod 14, and motor 8 is erected at the top of blowout preventer 1, motor 8 it is hollow
Upper end of the output shaft 9 directly with polished rod 14 is connected, so as to drive polished rod 14 to rotate.It is conventional structure of the prior art above,
It will not be repeated here.
In the prior art, side's card is arranged on the top of motor, and the upper end of polished rod 14 is stretched through the hollow output shaft 9 of motor 8
To the top of motor 8, just it is stuck at the top of motor and clamps polished rod 14.During generation reversion accident, polished rod 14 rotates at a high speed, and from
Bent in the presence of mental and physical efforts, then produce the potential safety hazard of casualties.Based on said structure, scientific research personnel is devoted for years in logical
The reliable anti-reverse braking technology of research and development is crossed to solve the problems, such as that the reversion of polished rod 14 is hurted sb.'s feelings, and the utility model has abandoned this think of
Road.In the utility model, motor mounting rack between blowout preventer 1 and motor 8, motor 8 is fixedly mounted on the top of motor mounting rack
Portion, blowout preventer 1 are connected to the bottom of motor mounting rack by flange.Motor mounting rack is a newly-increased knot in the utility model
Structure, for clamping side's card 11 of polished rod, for the rotating seal 13 that is sealed to polished rod 14 and for bearing polished rod
The attachment structures such as the thrust bearing 12 of axial load are installed in motor mounting rack.Entered by the position of the upper end to polished rod 14
Row limitation, and by side's card structure setting such as 11 and thrust bearing 12 in the downside of motor 8, not only eliminate after reversion accident occurs
The possibility that polished rod 14 contacts with people, thoroughly avoids casualty accident, also effectively prevent work of the upper end of polished rod 14 in centrifugal force
With lower bending, the probability that the grade parts of polished rod 14 damage in the case where reversion is impacted is reduced.The concrete structure of motor mounting rack is as follows：
Motor mounting rack, including upper plate 7, lower plate 2 and bearing block 3, described motor 8 are fixedly mounted on the upside of upper plate 7,
Down, lower plate 2 and bearing block 3 are fixedly connected on the upside of blowout preventer 1, bearing block 3 to the output shaft 9 of motor 8 by same group of bolt
Positioned at the upside of lower plate 2, rotating seal 13 is provided between polished rod 1 and bearing block 3.
In motor mounting rack, at least three groups of sliding sleeves 5 and slide bar 6 are provided between upper plate 7 and bearing block 3, passes through sliding sleeve 5
Cooperation with slide bar 6 make upper plate 7 can under external force driving vertically Stable sliding, wherein, sliding sleeve 5 is fixed on bearing block 3
Upside, slide bar 6 is fixed on the downside of upper plate 7, and being provided between upper plate 7 and lower plate 2 can be in the hand jack with rear removal
4, upper plate 7 can together be held up upwards together with motor 8 thereon by operating hand jack 4.The upper end of described polished rod 1 is under
The hole in plate 2 and the center of bearing block 3 passes through, and side's card 11 for clamping polished rod 1 is fixedly mounted on the upper end of polished rod 14, motor 8
Output shaft 9 by the top of the concave-convex fit structure side of being connected to that is staggered card 11, so as to realize the effect of shaft coupling, axle
Thrust bearing 12 is provided between bearing 3 and Fang Ka 11.In screw pump direct driving device, thrust bearing 12 and rotating seal 13
Belong to consumable accessory, need irregularly to change during use.In the prior art, when being repaired to screw pump direct driving device, it is necessary to
Call autocrane that motor is sling into dismounting, and the utility model is provided with the hydraulic elevator driven by hand jack 4
Structure, manually will can weigh hundreds of kilograms of the motor of jack 4 lift, expose the upper end of polished rod 14, so as to realize thrust
The replacing of bearing 12 and rotating seal 13, during maintenance, the hand jack 4 carried need to be only placed in pre-determined bit by maintenance personal
Put, then drive hand jack 4.Therefore, maintenance is easier, cost is lower.Sliding sleeve 5 and slide bar 6 play guiding and helped
Effect so that the lifting process of motor 8 is more stable.Hand jack 4 is detachable, and equipment need not individually be equipped with hand when installing
Dynamic jack 4, so as to reduce the cost of equipment.
Being slidably matched and can be locked by bolt between described sliding sleeve 5 and slide bar 6, further ensures motor 8
The stability of position.
The downside of described upper plate 7 is provided with protective cover 10, and the axial dimension of protective cover 10 is equal to the length of described sliding sleeve 5
Degree.The effect of protective cover 10 has two：On the one hand, protective cover 10 provides another layer of reversion protection, when can effectively avoid reversion
The parts such as bearing, side's card fly out because of accidental damage hurts sb.'s feelings, and on the other hand, sand and dust enter thrust bearing 12 and rotating seal 13
Afterwards, the service life both it can significantly be shortened, and the setting of protective cover 10 can effectively prevent sand and dust to thrust bearing 12 and rotation
Turn the damage of seal 13.
Claims (3)
1. extracting device of oil, including motor (8), side's card (11) and polished rod are directly driven in a kind of screw pump ground with reverse-rotation preventing function
(14), motor (8) is erected at the top of blowout preventer (1), the upper end of the hollow output shaft (9) of motor (8) directly with polished rod (14)
Connection, so as to drive polished rod (14) to rotate, it is characterised in that：Motor mounting rack, motor are provided with above the blowout preventer (1)
(8) top of motor mounting rack is fixedly mounted on, blowout preventer (1) is connected to the bottom of motor mounting rack by flange；
Motor mounting rack, including upper plate (7), lower plate (2) and bearing block (3), described motor (8) are fixedly mounted on upper plate (7)
Upside, down, lower plate (2) and bearing block (3) are fixedly connected on blowout preventer to the output shaft 9 of motor (8) by same group of bolt
(1) upside, bearing block (3) are located at the upside of lower plate (2), rotating seal are provided between polished rod (1) and bearing block (3)
(13) at least three groups of sliding sleeves (5) and slide bar (6), are provided between upper plate (7) and bearing block (3), passes through sliding sleeve (5) and slide bar
(6) cooperation make upper plate (7) can under external force driving vertically Stable sliding, wherein, sliding sleeve (5) is fixed on bearing block
(3) upside, slide bar (6) are fixed on the downside of upper plate (7), and being provided between upper plate (7) and lower plate (2) can be with rear removal
Hand jack (4), upper plate (7) can together be held up upwards together with motor thereon (8) by operating hand jack (4)；
The upper end of described polished rod (1) is passed through by the hole of lower plate (2) and bearing block (3) center, for clamping side's card of polished rod (1)
(11) upper end of polished rod (14) is fixedly mounted on, the output shaft (9) of motor (8) is connected by the concave-convex fit structure being staggered
The top of the side's of being connected on card (11), so as to realize the effect of shaft coupling, thrust bearing is provided between bearing block (3) and side's card (11)
(12)。
2. extracting device of oil is directly driven on a kind of screw pump ground with reverse-rotation preventing function according to claim 1, its feature exists
In：Being slidably matched and can be locked by bolt between described sliding sleeve (5) and slide bar (6).
3. extracting device of oil is directly driven on a kind of screw pump ground with reverse-rotation preventing function according to claim 1, its feature exists
In：Protective cover (10) is installed, the axial dimension of protective cover (10) is equal to described sliding sleeve (5) on the downside of described upper plate (7)
Length.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720421121.2U CN206668231U (en) | 2017-04-19 | 2017-04-19 | Directly drive extracting device of oil in a kind of screw pump ground with reverse-rotation preventing function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720421121.2U CN206668231U (en) | 2017-04-19 | 2017-04-19 | Directly drive extracting device of oil in a kind of screw pump ground with reverse-rotation preventing function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206668231U true CN206668231U (en) | 2017-11-24 |
Family
ID=60375460
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720421121.2U Withdrawn - After Issue CN206668231U (en) | 2017-04-19 | 2017-04-19 | Directly drive extracting device of oil in a kind of screw pump ground with reverse-rotation preventing function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206668231U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106917609A (en) * | 2017-04-19 | 2017-07-04 | 大庆市晟威机械制造有限公司 | Directly drive extracting device of oil in a kind of screw pump ground with reverse-rotation preventing function |
| WO2019175818A1 (en) * | 2018-03-14 | 2019-09-19 | Edwards Technologies Vacuum Engineering (Qingdao) Co Ltd | Method and apparatus related to servicing of liquid ring pumps |
-
2017
- 2017-04-19 CN CN201720421121.2U patent/CN206668231U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106917609A (en) * | 2017-04-19 | 2017-07-04 | 大庆市晟威机械制造有限公司 | Directly drive extracting device of oil in a kind of screw pump ground with reverse-rotation preventing function |
| WO2019175818A1 (en) * | 2018-03-14 | 2019-09-19 | Edwards Technologies Vacuum Engineering (Qingdao) Co Ltd | Method and apparatus related to servicing of liquid ring pumps |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20171124 Effective date of abandoning: 20230407 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20171124 Effective date of abandoning: 20230407 |