CN205423204U - Reverse rotator is prevented to latent oily charge pump of modified - Google Patents
Reverse rotator is prevented to latent oily charge pump of modified Download PDFInfo
- Publication number
- CN205423204U CN205423204U CN201620217770.6U CN201620217770U CN205423204U CN 205423204 U CN205423204 U CN 205423204U CN 201620217770 U CN201620217770 U CN 201620217770U CN 205423204 U CN205423204 U CN 205423204U
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- CN
- China
- Prior art keywords
- ratchet
- pump
- runner
- cylindric lock
- submersible electric
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- Expired - Fee Related
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Abstract
The utility model discloses a reverse rotator is prevented to latent oily charge pump of modified relates to latent oily charge pump equipment technical field, including the pump shaft, the ratchet, a machine support, the runner, the cylindric lock, lock nut and air pump, through be equipped with the round pin hole that two symmetries set up on the runner, the one end activity of cylindric lock sets up downtheholely at the round pin, the other end overlap joint of cylindric lock at the ratchet on the surface, the cylindric lock is along the ratchet by low extremely high inclined plane up -and -down motion, in case the reversal takes place, the cylindric lock is blocked by the ratchet on the ratchet promptly, signal detection device detects the signal that the motor stops simultaneously, and give gas the immediately signal of a downstream of pump, compress tightly the runner, thereby realize the automatic reversal of preventing, favorable braking effect, safety and reliability, make the motor fully protected.
Description
Technical field
This utility model relates to submersible electric pump equipment technical field, the submersible electric pump anti-reverse mechanism of a kind of improvement.
Background technology
Submersible electric pump operation principle is, electric energy transmits electrical power to submersible electric machine with oil by oil-submersible cable, and submersible electric machine with oil converts electrical energy into mechanical energy, drives submersible electric pump high speed rotating, by oil pipe, the liquid in oil well is lifted to ground.Due to Electric Submersible Pump System work under bad environment, operating cost is high, thereby ensure that the continual and steady operating of whole system is particularly important.After submersible electric pump is shut down, in the case of being fitted without ball-and-seat or automatic back flow ball-and-seat, the well liquid in oil pipe can automatic back flow under gravity, cause submersible electric machine with oil to invert with pump under well liquid effect.After electric pump is shut down at present, according to electric pump rule of operation, it usually needs within after shutdown 30-60 minute, just can restart.But when big due to oil pipe well liquid measure about the high situation of submergence, when motor inverts with pump, if now unit occurs artificial or automatic start-up course, then motor shaft has by twisting strain or the danger that twists off.
Chinese patent application 201410329685.4 discloses a kind of device preventing centrifugal pump from inverting, DCS system is connected with pushing mechanism, delay switch is set in DCS system, pushing mechanism is connected by contiguous block and two connecting rods, two connecting rods are connected with brake hoop, being provided with braking in brake hoop to stop sheet, braking sheet of stopping matches with braked wheel, and braked wheel is connected with shaft coupling.The pushing mechanism of the present invention by DCS system by the centrifugal pump after arranging delay switch and controlling power-off to prevent it from inverting, but the braking of the above-mentioned device preventing centrifugal pump from inverting is stopped, the braking of sheet still exists certain delayed, the situation of skidding is there will be after life-time service, anti-reverse effect is bad, there is potential safety hazard.
Utility model content
The purpose of this utility model is to there are the problems referred to above for existing technology, it is provided that the submersible electric pump anti-reverse mechanism of a kind of improvement, it is possible to solves oil-immersed pump and there is the technical problem that shutdown reverse rotating brake is delayed and skids.
For realizing object above, this utility model is achieved by the following technical programs: the submersible electric pump anti-reverse mechanism of a kind of improvement, including pump shaft, ratchet, frame, runner, straight pin, locking nut and air pump, described ratchet sleeve is located at one end of described pump shaft, described ratchet is provided with ratchet, described ratchet is fixed and is located in described frame, described runner is arranged on pump shaft by key, and it is positioned on the left of ratchet, described runner is provided with two symmetrically arranged pin hole, one end of described straight pin is movably arranged in described pin hole, the other end of described straight pin is overlapped in ratchet surface, described locking nut is threadedly attached on the pump shaft above described runner, described air pump is arranged on above described runner.
Further, the incline direction on described ratchet inclined-plane is consistent with the forward direction of described pump shaft.
Further, described ratchet is provided with 8 ratchets.
Further, also include that motor and signal supervisory instrument, described motor are connected with described pump shaft.
Further, described air pump is connected with motor and signal supervisory instrument respectively.
Compared with prior art, the invention have the benefit that
This utility model provides the submersible electric pump anti-reverse mechanism of a kind of improvement, by being provided with two symmetrically arranged pin hole on runner, one end of straight pin is movably arranged in pin hole, the other end of straight pin is overlapped in ratchet surface, straight pin moves up and down along ratchet inclined plane from low to high, once invert, straight pin is i.e. blocked by the ratchet on ratchet, synchronous signal detection device detects the signal that motor stops, and give one signal moved downward of air pump immediately, compress runner, thus realize automatic anti-reverse and turn, good braking effect, safe and reliable, motor is made to be adequately protected.
Accompanying drawing explanation
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, the accompanying drawing used required in embodiment or description of the prior art will be briefly described below, apparently, accompanying drawing in describing below is only some embodiments of the present invention, for those of ordinary skill in the art, on the premise of not paying creative work, it is also possible to obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is structural representation of the present utility model；
Fig. 2 is ratchet center circle expanded view；
In figure:
1, pump shaft；2, ratchet；3, frame；4, runner；5, straight pin；6, locking nut；7, air pump.
Detailed description of the invention
For making the purpose of this utility model embodiment, technical scheme and advantage clearer, below in conjunction with this utility model embodiment, technical scheme in this utility model embodiment is clearly and completely described, obviously, described embodiment is a part of embodiment of this utility model rather than whole embodiments.Based on the embodiment in this utility model, the every other embodiment that those of ordinary skill in the art are obtained under not making creative work premise, broadly fall into the scope of this utility model protection.
In conjunction with attached Fig. 1 and 2, for realizing object above, this utility model is achieved by the following technical programs: the submersible electric pump anti-reverse mechanism of a kind of improvement, including pump shaft 1, ratchet 2, frame 3, runner 4, straight pin 5, locking nut 6 and air pump 7, described ratchet 2 is sheathed on one end of described pump shaft 1, described ratchet 2 is provided with ratchet, described ratchet 2 is fixing to be located in described frame 3, described runner 4 is arranged on pump shaft 1 by key, and it is positioned on the left of ratchet 2, described runner 4 is provided with two symmetrically arranged pin hole, one end of described straight pin 5 is movably arranged in described pin hole, the other end of described straight pin 5 is overlapped in ratchet surface, described locking nut 6 is threadedly attached on the pump shaft 1 above described runner 4, described air pump 7 is arranged on above described runner 4.
Preferably, the incline direction on described ratchet 2 inclined-plane is consistent with the forward direction of described pump shaft 1；Described ratchet 2 is provided with 8 ratchets；Also include that motor and signal supervisory instrument, described motor are connected with described pump shaft 1；Described air pump 7 is connected with motor and signal supervisory instrument respectively.
To sum up, a kind of submersible electric pump anti-reverse mechanism of improvement, by being provided with two symmetrically arranged pin hole on runner, one end of straight pin is movably arranged in pin hole, the other end of straight pin is overlapped in ratchet surface, straight pin moves up and down along ratchet inclined plane from low to high, once invert, straight pin is i.e. blocked by the ratchet on ratchet, synchronous signal detection device detects the signal that motor stops, and give one signal moved downward of air pump immediately, compress runner, thus realize automatic anti-reverse and turn, good braking effect, safe and reliable, motor is made to be adequately protected.
It should be noted that, in this article, the relational terms of such as first and second or the like is used merely to separate an entity or operation with another entity or operating space, and not necessarily requires or imply the relation or sequentially that there is any this reality between these entities or operation.And, term " includes ", " comprising " or its any other variant are intended to comprising of nonexcludability, so that include that the process of a series of key element, method, article or equipment not only include those key elements, but also include other key elements being not expressly set out, or also include the key element intrinsic for this process, method, article or equipment.In the case of there is no more restriction, statement " including ... " key element limited, it is not excluded that there is also other identical element in including the process of described key element, method, article or equipment.
Above example only in order to the technical solution of the utility model to be described, is not intended to limit；Although this utility model being described in detail with reference to previous embodiment, it will be understood by those within the art that: the technical scheme described in foregoing embodiments still can be modified by it, or wherein portion of techniques feature is carried out equivalent；And these amendments or replacement, do not make the essence of appropriate technical solution depart from the spirit and scope of this utility model each embodiment technical scheme.
Claims (5)
1. the submersible electric pump anti-reverse mechanism improved, including pump shaft, ratchet, frame, runner, straight pin, locking nut and air pump, it is characterized in that, described ratchet sleeve is located at one end of described pump shaft, described ratchet is provided with ratchet, described ratchet is fixed and is located in described frame, described runner is arranged on pump shaft by key, and it is positioned on the left of ratchet, described runner is provided with two symmetrically arranged pin hole, one end of described straight pin is movably arranged in described pin hole, the other end of described straight pin is overlapped in ratchet surface, described locking nut is threadedly attached on the pump shaft above described runner, described air pump is arranged on above described runner.
The submersible electric pump anti-reverse mechanism of improvement the most according to claim 1, it is characterised in that the incline direction on described ratchet inclined-plane is consistent with the forward direction of described pump shaft.
The submersible electric pump anti-reverse mechanism of improvement the most according to claim 1, it is characterised in that described ratchet is provided with 8 ratchets.
The submersible electric pump anti-reverse mechanism of improvement the most according to claim 1, it is characterised in that also include that motor and signal supervisory instrument, described motor are connected with described pump shaft.
The submersible electric pump anti-reverse mechanism of improvement the most according to claim 4, it is characterised in that described air pump is connected with motor and signal supervisory instrument respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620217770.6U CN205423204U (en) | 2016-03-21 | 2016-03-21 | Reverse rotator is prevented to latent oily charge pump of modified |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620217770.6U CN205423204U (en) | 2016-03-21 | 2016-03-21 | Reverse rotator is prevented to latent oily charge pump of modified |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205423204U true CN205423204U (en) | 2016-08-03 |
Family
ID=56519808
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620217770.6U Expired - Fee Related CN205423204U (en) | 2016-03-21 | 2016-03-21 | Reverse rotator is prevented to latent oily charge pump of modified |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205423204U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106438349A (en) * | 2016-11-11 | 2017-02-22 | 浙江大学城市学院 | Hydraulic pressure vane pump machine halt protection structure |
| CN106523355A (en) * | 2016-11-11 | 2017-03-22 | 浙江大学城市学院 | Transient damping and reversing preventing structure of rotor piston pump |
-
2016
- 2016-03-21 CN CN201620217770.6U patent/CN205423204U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106438349A (en) * | 2016-11-11 | 2017-02-22 | 浙江大学城市学院 | Hydraulic pressure vane pump machine halt protection structure |
| CN106523355A (en) * | 2016-11-11 | 2017-03-22 | 浙江大学城市学院 | Transient damping and reversing preventing structure of rotor piston pump |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160803 Termination date: 20200321 |