CN201106549Y - Hydraulic embedding-disk brake type single screw oil well pump surface drive - Google Patents
Hydraulic embedding-disk brake type single screw oil well pump surface drive Download PDFInfo
- Publication number
- CN201106549Y CN201106549Y CNU2007200157253U CN200720015725U CN201106549Y CN 201106549 Y CN201106549 Y CN 201106549Y CN U2007200157253 U CNU2007200157253 U CN U2007200157253U CN 200720015725 U CN200720015725 U CN 200720015725U CN 201106549 Y CN201106549 Y CN 201106549Y
- Authority
- CN
- China
- Prior art keywords
- oil
- speed reducer
- oil pump
- single screw
- type single
- 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.)
- Expired - Fee Related
Links
- 239000003129 oil well Substances 0.000 title description 2
- 239000003921 oil Substances 0.000 claims description 39
- 239000003638 chemical reducing agent Substances 0.000 claims description 29
- 238000009434 installation Methods 0.000 claims description 10
- 239000002828 fuel tank Substances 0.000 claims description 5
- 239000000295 fuel oil Substances 0.000 claims description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
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Abstract
The utility mode relates to a ground drive device for a hydraulic pressure embedding chuck brake type oil pump with a single screw, and the drive device comprises a chassis and a motor, wherein, the chassis is provided with a reduction box. The drive device is characterized in that an oil box and an oil pump are arranged in the reduction box, and oil box is connected with the oil pump via an oil passage; the input shaft end of the oil pump is provided with a driven wheel, an input shaft of the reduction box is provided with a drive wheel via a one-way rotating mechanism, and the drive wheel is connected with the driven wheel; a lower and an upper cylinders are arranged on an upper cover of the reduction box, two opposite pistons are respectively arranged in the lower and the upper cylinders, and the opposite faces of the two pistons are respectively provided with two friction chucks; springs are symmetrically arranged between the two friction chucks, the output end of the reduction box is provided with a brake chuck, the brake chuck is inserted into the two friction chucks, and the lower and the upper cylinders are communicated with an output port of the oil pump via the oil passage. The drive device with safe and reliable work has the advantages that the drive device can thoroughly release reverse torque of an oil pump rod and avoid causing impact for equipments via the reverse torque to prolong service life of the equipment.
Description
Technical field
The utility model relates to a kind of oil well pump surface drive, particularly a kind of hydraulic pressure embedding dish brake type single screw pump surface drive.
Background technique
At present, the single screw pump surface drive mainly is by base and motor, be fixed on the speed reducer above the base, the braking mechanism formation that connects the belt gear of motor and speed reducer and be located at speed reducer input shaft one side, its braking mechanism adopts the ratchet-type brake modes to come skidding, this brake modes can not discharge the moment of torsion of sucker rod fully, service time one is long, cause brake strap and brake hub to stick together easily, moment of torsion in the sucker rod is not discharged, cause potential safety hazard.
Summary of the invention
The purpose of this utility model is to solve the problems referred to above that prior art exists, and provides a kind of safe and reliable, can thoroughly discharge the hydraulic pressure embedding dish brake type single screw pump surface drive of the reaction torque of sucker rod.
The utility model is achieved in that it has a base and motor, on base, be provided with speed reducer, its special way is: be provided with fuel tank and oil pump in speed reducer, connect by oil circuit between the two, input shaft end at oil pump is provided with follower, on the speed reducer input shaft, driving wheel is installed by unidirectional rotating machinery, driving wheel is connected with follower, on speed reducer, cover and be provided with oil cylinder and upper cylinder down, in following oil cylinder and upper cylinder, be respectively equipped with relative up and down piston, on the opposing side of two pistons, be respectively equipped with friction disk, between two friction disks, be arranged with spring, be provided with brake disc at the speed reducer output terminal, brake disc is inserted between two friction disks, and described oil cylinder down and upper cylinder are communicated with the delivery outlet of oil pump by oil circuit.
Above-mentioned hydraulic pressure embedding dish brake type single screw pump surface drive is provided with installation sleeve between brake disc and speed reducer output terminal, described installation sleeve is connected by key respectively with the speed reducer output terminal with brake disc.
Above-mentioned hydraulic pressure embedding dish brake type single screw pump surface drive, described driving wheel is sprocket wheel with follower and is connected by chain.
Above-mentioned hydraulic pressure embedding dish brake type single screw pump surface drive, described unidirectional rotating machinery is a unilateral bearing.
The utility model has the advantages that: safe and reliable, can thoroughly discharge the reaction torque of sucker rod, avoid reaction torque that equipment is impacted, prolong the working life of equipment.
Description of drawings
Fig. 1 is a structural representation of the present utility model;
Fig. 2 is the A-A sectional view of Fig. 1.
Among the figure: brake disc 1, nut 2, slips 3, sucker rod 4, installation sleeve 5, upper cylinder 6, piston 7, last friction disk 8, spring 9, following friction disk 10, following oil cylinder 11, speed reducer loam cake 12, speed reducer 13, oil circuit 14, gamp tooth 15, main shaft 16, base 17, motor 18, hermetically sealed case 19, oil circuit 20, oil pump 21, follower 22, chain 23, driving wheel 24, gear shaft 25, unidirectional rotating machinery 26, fuel tank 27.
Embodiment
As shown in the figure, the utility model has a base 17, be fixed with motor 18 in base 17 1 sides, on base 17, speed reducer 13 is arranged by bolt, in speed reducer 13, orthogonal gear shaft 25 and main shaft 16 are arranged, on main shaft 16, be connected with gamp tooth 15, gear shaft 25 and 15 engagements of gamp tooth by key by Bearing Installation, gear shaft 25 outer ends are speed reducer 13 input ends, are connected by belt transmission between gear shaft 25 and motor 18 output shafts.Be connected with hermetically sealed case 19 in main shaft 16 upper ends by key, hermetically sealed case 19 is the output terminal of speed reducer 13, hermetically sealed case 19 is drawn by speed reducer loam cake 12, by installation sleeve 5 brake disc 1 is installed on hermetically sealed case 19 tops, be connected by key respectively between described installation sleeve 5 and brake disc 1 and the hermetically sealed case 19, in the upper end of installation sleeve 5 nut 2 is installed, to realize spacing to brake disc 1.Inwall at speed reducer 13 has fuel tank 27 and oil pump 21 by bolt respectively, connect by oil circuit 20 between the two, input shaft end at oil pump 21 is connected with follower 22, the inner that is positioned at speed reducer 13 on speed reducer 13 input shafts (being gear shaft 25) is equipped with driving wheel 24 by unidirectional rotating machinery 26, described driving wheel 24 and follower 22 are between sprocket wheel and the two and connect by chain 23, and described unidirectional rotating machinery 26 is a unilateral bearing.On speed reducer loam cake 12, be positioned at hermetically sealed case 19 1 sides and folded following oil cylinder 11 and the upper cylinder 6 that drops on together arranged by bolt, be respectively equipped with corresponding piston 7 and oil duct up and down in oil cylinder 11 and the upper cylinder 6 down, friction disk 8 and following friction disk 10 on having by bolt respectively on the opposing side of two pistons 7, between last friction disk 8 and following friction disk 10, be arranged with spring 9, described brake disc 1 one sides are inserted between two friction disks 8 and 10, and the oil duct in described oil cylinder 11 down and the upper cylinder 6 is communicated with the delivery outlet of oil pump 21 by oil circuit 14.
During installation, hermetically sealed case 19 is connected with sucker rod 4 by slips 3.When motor 18 was just changeing by speed reducer 13 drive sucker rods 4, under the effect of unidirectional rotating machinery 26, gear shaft 25 can not drive driving wheel 24 rotations, and oil pump 21 is not worked; When shutting down; screw pump counter-rotating driven gear axle 25; gear shaft 25 drove driving wheel 24 and reversed together under the effect of unidirectional rotating machinery 26 this moment; driving wheel 24 drives follower 22 starts working oil pump 21; oil pump 21 is squeezed into down high pressure oil in oil cylinder 11 and the upper cylinder 6 from fuel tank 27 oil pumping and by oil circuit 14; high pressure oil is affacting respectively on two pistons 7 by oil duct in oil cylinder 11 and the upper cylinder 6 down; thereby friction disk 8 and following friction disk 10 move toward one another in the drive; block brake disc 1, make screw pump stop counter-rotating.When the screw pump counter-rotating stopped, driving wheel 24 stopped operating, and oil pump 21 quits work, and screw pump begins counter-rotating again, so repeats above-mentioned a series of brake, discharges fully up to torque reaction.
Claims (4)
1, a kind of hydraulic pressure embedding dish brake type single screw pump surface drive, comprise base and motor, on base, be provided with speed reducer, it is characterized in that: in speed reducer, be provided with fuel tank and oil pump, connect by oil circuit between the two, input shaft end at oil pump is provided with follower, on the speed reducer input shaft, driving wheel is installed by unidirectional rotating machinery, driving wheel is connected with follower, on speed reducer, cover and be provided with oil cylinder and upper cylinder down, in following oil cylinder and upper cylinder, be respectively equipped with relative up and down piston, on the opposing side of two pistons, be respectively equipped with friction disk, between two friction disks, be arranged with spring, be provided with brake disc at the speed reducer output terminal, brake disc is inserted between two friction disks, and described oil cylinder down and upper cylinder are communicated with the delivery outlet of oil pump by oil circuit.
2, hydraulic pressure embedding dish brake type single screw pump surface drive according to claim 1, it is characterized in that: be provided with installation sleeve between brake disc and speed reducer output terminal, described installation sleeve is connected by key respectively with the speed reducer output terminal with brake disc.
3, hydraulic pressure embedding dish brake type single screw pump surface drive according to claim 1, it is characterized in that: described driving wheel is sprocket wheel with follower and is connected by chain.
4, hydraulic pressure embedding dish brake type single screw pump surface drive according to claim 1, it is characterized in that: described unidirectional rotating machinery is a unilateral bearing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200157253U CN201106549Y (en) | 2007-11-05 | 2007-11-05 | Hydraulic embedding-disk brake type single screw oil well pump surface drive |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200157253U CN201106549Y (en) | 2007-11-05 | 2007-11-05 | Hydraulic embedding-disk brake type single screw oil well pump surface drive |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201106549Y true CN201106549Y (en) | 2008-08-27 |
Family
ID=39958348
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007200157253U Expired - Fee Related CN201106549Y (en) | 2007-11-05 | 2007-11-05 | Hydraulic embedding-disk brake type single screw oil well pump surface drive |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201106549Y (en) |
-
2007
- 2007-11-05 CN CNU2007200157253U patent/CN201106549Y/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080827 Termination date: 20101105 |