CN201650727U - Disk-type power head anti-reverse mechanism of screw-type oil pump - Google Patents
Disk-type power head anti-reverse mechanism of screw-type oil pump Download PDFInfo
- Publication number
- CN201650727U CN201650727U CN2010201052570U CN201020105257U CN201650727U CN 201650727 U CN201650727 U CN 201650727U CN 2010201052570 U CN2010201052570 U CN 2010201052570U CN 201020105257 U CN201020105257 U CN 201020105257U CN 201650727 U CN201650727 U CN 201650727U
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- brake
- unit head
- ratchet
- disk
- reverse mechanism
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Abstract
A disk-type power head anti-reverse mechanism of screw-type oil pump comprises a power head gear box, a pulley, a pawl pin, a pawl, a pawl reset torsion spring, a brake disk, a brake pad, a friction force pre-tightening spring, a brake drum, a brake fixing disk, and a reactive torque release gear shaft. The brake fixing disk is mounted on the power head gear box; the brake pad, the brake disk, the pawl, the brake drum, and the pulley are sequentially mounted on the brake fixing disk; the reactive torque release gear shaft is mounted on the brake fixing disk; and the gear is engaged with the gear ring on the brake drum. The disk-type power head anti-reverse mechanism of screw-type oil pump has the advantages of reliable anti-reverse operation, reliable braking and high safety, and can be widely used in the screw pump protection device for petroleum exploitation.
Description
One, technical field
The utility model relates to deep-well pump and accessory thereof, particularly a kind of progressive cavity pump unit head disc type anti-reverse mechanism.
Two, background technique
In the petroleum production; progressive cavity pump is a kind of effective oil production equipment; but when there is the progressive cavity pump shutdown; on sucker rod, storing very big reaction potential energy; as brakeless mechanism; reaction potential energy will make the reverse high speed rotating of the rotating mechanism of complete machine, cause the shortcoming or the deficiency of serious accident.
Three, summary of the invention
The purpose of this utility model provides a kind of improved progressive cavity pump unit head disc type anti-reverse mechanism, adopts disk type brake to do the counter-rotating braking, and braking ability is reliable, can random safely release reverse torque.
Progressive cavity pump unit head disc type anti-reverse mechanism described in the utility model, comprise the unit head gear-box, belt pulley, the ratchet bearing pin, ratchet, the ratchet torque spring that resets, brake disc, brake block, the frictional force preloading spring, brake drum, the braking fixed tray, reaction torque discharges gear shaft, it is characterized in that described braking fixed tray is installed on the unit head gear-box, brake block, brake disc, ratchet, brake drum, belt pulley is installed on the braking fixed tray in turn, reaction torque discharges gear shaft and is installed on the braking fixed tray, and the gear that reaction torque discharges gear shaft is meshed with the gear ring of brake drum.
Wherein, described ratchet is located with belt pulley mutually by the ratchet bearing pin, and the ratchet torque spring that resets is installed on this ratchet bearing pin.Brake block locating stud and frictional force preloading spring are installed in the middle of the described brake block.Described braking fixed tray is fixed by set screw and unit head gear-box.Described braking fixed tray is provided with external spiral groove.Described brake drum is provided with inner spiral groove, and this inner spiral groove matches with the external spiral groove of braking fixed tray.
The utility model has following advantage compared with prior art:
1, on the progressive cavity pump power plant, use the anti-reverse arrestment mechanism of disk type brake, reverse high speed rotating when preventing effectively that the progressive cavity pump power plant from shutting down is guaranteed the operation and the machine security of progressive cavity pump.
2, adopt helical groove structure to clamp mode of braking, braking is reliable.
3, adopt the gear structure delivery mode, discharge steady, safety.
Four, description of drawings
Fig. 1 is a kind of example structure schematic representation of the present utility model
Fig. 2 is for pressing A-A shown in Figure 1 to structural representation
Five, embodiment
Consult Fig. 1-Fig. 2, a kind of progressive cavity pump unit head disc type anti-reverse mechanism comprises that reset torque spring 4, brake disc 5, brake block 6, frictional force preloading spring 7, brake drum 8, braking fixed tray 9, reaction torque of unit head gear-box 11, belt pulley 1, ratchet bearing pin 2, ratchet 3, ratchet discharges gear shaft 13.Braking fixed tray 9 is installed on the unit head gear-box 11, brake block 6, brake disc 5, ratchet 3, brake drum 8, belt pulley 1 are installed on the braking fixed tray 9 in turn, reaction torque discharges gear shaft 13 and is installed on the braking fixed tray 9, and the gear that reaction torque discharges gear shaft 13 is meshed with the gear ring of brake drum 8.
Ratchet 3 is located with belt pulley 1 mutually by ratchet bearing pin 2, and the ratchet torque spring 4 that resets is installed on the ratchet bearing pin 2.Brake block locating stud 12 and frictional force preloading spring 7 are installed in the middle of the brake block 6.Braking fixed tray 9 is fixed by set screw 10 and unit head gear-box 11.Braking fixed tray 9 is provided with external spiral groove.Brake drum 8 is provided with inner spiral groove, and this inner spiral groove matches with the external spiral groove of braking fixed tray 9.
Claims (6)
1. progressive cavity pump unit head disc type anti-reverse mechanism, comprise the unit head gear-box, belt pulley, the ratchet bearing pin, ratchet, the ratchet torque spring that resets, brake disc, brake block, the frictional force preloading spring, brake drum, the braking fixed tray, reaction torque discharges gear shaft, it is characterized in that described braking fixed tray is installed on the unit head gear-box, brake block, brake disc, ratchet, brake drum, belt pulley is installed on the braking fixed tray in turn, reaction torque discharges gear shaft and is installed on the braking fixed tray, and the gear that reaction torque discharges gear shaft is meshed with the gear ring of brake drum.
2. progressive cavity pump unit head disc type anti-reverse mechanism according to claim 1 is characterized in that described ratchet located with belt pulley mutually by the ratchet bearing pin, and the ratchet torque spring that resets is installed on this ratchet bearing pin.
3. progressive cavity pump unit head disc type anti-reverse mechanism according to claim 1 is characterized in that in the middle of the described brake block brake block locating stud and frictional force preloading spring being installed.
4. progressive cavity pump unit head disc type anti-reverse mechanism according to claim 1 is characterized in that described braking fixed tray is fixed by set screw and unit head gear-box.
5. progressive cavity pump unit head disc type anti-reverse mechanism according to claim 1 is characterized in that described braking fixed tray is provided with external spiral groove.
6. progressive cavity pump unit head disc type anti-reverse mechanism according to claim 1 is characterized in that described brake drum is provided with inner spiral groove, and this inner spiral groove matches with the external spiral groove of braking fixed tray.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201052570U CN201650727U (en) | 2010-01-25 | 2010-01-25 | Disk-type power head anti-reverse mechanism of screw-type oil pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201052570U CN201650727U (en) | 2010-01-25 | 2010-01-25 | Disk-type power head anti-reverse mechanism of screw-type oil pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201650727U true CN201650727U (en) | 2010-11-24 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010201052570U Expired - Fee Related CN201650727U (en) | 2010-01-25 | 2010-01-25 | Disk-type power head anti-reverse mechanism of screw-type oil pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201650727U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102865227A (en) * | 2012-10-16 | 2013-01-09 | 北京世通华奥油田化学技术有限公司 | Automatic braking force regulating device for screw oil pump |
| CN103122852A (en) * | 2013-01-08 | 2013-05-29 | 大庆科美达采油成套设备有限公司 | Reversal control device of screw pump |
| CN106481553A (en) * | 2016-11-11 | 2017-03-08 | 温州大学 | A kind of damping brake structure of external gear rotary pump |
| CN108496509A (en) * | 2018-06-04 | 2018-09-07 | 甘肃鑫特节能科技有限公司 | A kind of field irrigation automatic fertilizing apparatus |
| CN108916043A (en) * | 2018-06-28 | 2018-11-30 | 中国石油天然气集团有限公司 | Release device is inverted under a kind of screw bolt well |
-
2010
- 2010-01-25 CN CN2010201052570U patent/CN201650727U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102865227A (en) * | 2012-10-16 | 2013-01-09 | 北京世通华奥油田化学技术有限公司 | Automatic braking force regulating device for screw oil pump |
| CN102865227B (en) * | 2012-10-16 | 2014-12-10 | 北京世通华奥油田化学技术有限公司 | Automatic braking force regulating device for screw oil pump |
| CN103122852A (en) * | 2013-01-08 | 2013-05-29 | 大庆科美达采油成套设备有限公司 | Reversal control device of screw pump |
| CN106481553A (en) * | 2016-11-11 | 2017-03-08 | 温州大学 | A kind of damping brake structure of external gear rotary pump |
| CN108496509A (en) * | 2018-06-04 | 2018-09-07 | 甘肃鑫特节能科技有限公司 | A kind of field irrigation automatic fertilizing apparatus |
| CN108916043A (en) * | 2018-06-28 | 2018-11-30 | 中国石油天然气集团有限公司 | Release device is inverted under a kind of screw bolt well |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| DD01 | Delivery of document by public notice |
Addressee: Zhang Chenggong Document name: Notification of Termination of Patent Right |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20101124 Termination date: 20160125 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |