CN103321912B - Pneumatic water pump with self-con-tained unit - Google Patents
Pneumatic water pump with self-con-tained unit Download PDFInfo
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- CN103321912B CN103321912B CN201310272748.2A CN201310272748A CN103321912B CN 103321912 B CN103321912 B CN 103321912B CN 201310272748 A CN201310272748 A CN 201310272748A CN 103321912 B CN103321912 B CN 103321912B
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Abstract
The invention discloses a kind of Pneumatic water pump with self-con-tained unit, including：Air inlet is connected by a self-con-tained unit with the air motor；When water amount detection device detects water level less than water inlet lowest water level, change-over switch is in off-state, performs cylinder and does not do work, and is placed in the flow control valve of air inlet for closed mode, is not turned between air inlet and air motor；When water amount detection device detects water level higher than water inlet lowest water level, change-over switch is in opening, performs cylinder and starts acting, opens flow control valve, turns on air inlet and air motor.Through the above way, the present invention enables Pneumatic water pump to have automatically achieved water to start anhydrous turning off standby, considerably reduce operating cost, it is to avoid Pneumatic water pump no-load running, extends the life-span of consumable accessory, reduces maintenance cost；Simple and compact for structure, floor space is small, easy to adjust, flexible movements reliability, not loss power, and reduces cost is safe and reliable to operation.
Description
Technical field
The present invention relates to Pneumatic water pump field, more particularly to a kind of Pneumatic water pump with self-con-tained unit.
Background technology
Pneumatic water pump is a kind of with compressed air as medium, and air motor is one kind of prime mover in mine operation face, energy
Consumption is big, the low draining equipment of efficiency, but because pneumatic draught engine can be used under the bad working environments such as inflammable, explosive, moist, especially
It is that high methane coal mine underground uses, and with unique reliability that is perfectly safe, thus is developed rapidly.
But there is more shortcoming in use in the Pneumatic water pump of prior art.For example, user thinks mine
Scope of operation water yield is small, nobody or few man on duty when air pump works, and wind regime can not be in time closed when anhydrous, air pump when causing anhydrous
Dry run, air pump energy starting under load, but zero load（Under anhydrous condition）No-load speed is higher, causes blade, bearing, sealing
The consumable accessory accelerated wear test such as part, consumable accessory changes frequent, and maintenance cost increases.Especially after blade accelerated wear test, such as continue to transport
Rotating vane piece can then jump out the outer squeeze crack cylinder of rotor slot, it is necessary to change cylinder, cause excessive unnecessary loss.
Xian Yeyou manufacturers add brake deceleration mechanism in the design of wind-driven water pump, are used to avoid Similar Problems from producing,
But a period of time is just undesirable using rear effect.
The content of the invention
Water can be automatically achieved the present invention solves the technical problem of offer one kind to start, anhydrous turning off standby work(
The Pneumatic water pump with self-con-tained unit of energy.
In order to solve the above technical problems, one aspect of the present invention is：There is provided a kind of with self-con-tained unit
Pneumatic water pump, including：The coaxial pump housing and air motor being wholely set, the pump housing is provided with water inlet and delivery port, described
Exhaust outlet is offered on air motor, a self-con-tained unit is provided between air inlet and air motor；
The self-con-tained unit includes that one performs cylinder, change-over switch and a water amount detection device, when water amount detection device inspection
Water level is measured less than water inlet lowest water level, change-over switch is in off-state, perform cylinder and do not do work, be placed in the flow control of air inlet
Valve processed is closed mode, is not turned between air inlet and air motor；When water amount detection device detects water level higher than water inlet
Lowest water level, change-over switch be in opening, perform cylinder start acting, open flow control valve, conducting air inlet with it is pneumatic
Motor.
In a preferred embodiment of the present invention, the input of the change-over switch is connected with air inlet, and the conversion is opened
The output end of pass includes two gas outlets, is connected with the execution cylinder by two escaping pipes respectively, the water amount detection device
It is connected with change-over switch open-close type.
In a preferred embodiment of the present invention, the water amount detection device passes through a linkage and the change-over switch
Starter open-close type connection.
In a preferred embodiment of the present invention, the water amount detection device includes a ball float cylinder, the ball float cylinder
Ball float is inside provided with, the ball float is connected with linkage, the ball float cylinder is set with water inlet same horizontal line.
In a preferred embodiment of the present invention, the position of the starter of corresponding conversion switch sets on the linkage
There is a switchboard.
In a preferred embodiment of the present invention, the linkage is a leverage, and the switchboard is located at a thick stick
On bar.
In a preferred embodiment of the present invention, an oil sprayer is connected with the air motor, the oil sprayer is located at
Between flow control valve and air motor.
In a preferred embodiment of the present invention, the air for entering Pneumatic water pump from the air inlet is compressed air.
In a preferred embodiment of the present invention, when water amount detection device detects water level less than water inlet lowest water level
When, the ball float of water amount detection device does not have buoyancy, and in sinking state, the leverage being connected with ball float dips down with ball float
Tiltedly, the switchboard on leverage disconnects with the starter of change-over switch, and change-over switch is in off-state.
In a preferred embodiment of the present invention, when water amount detection device detects water level higher than water inlet lowest water level
When, the ball float of water amount detection device has buoyancy, and in floating state, the leverage being connected with ball float is raised above with ball float,
Switchboard on leverage is connected with the starter of change-over switch, and change-over switch is in opening.
The beneficial effects of the invention are as follows：Pneumatic water pump of the present invention with self-con-tained unit is provided with forward type self-con-tained unit,
Using the buoyancy of water, ball float is fluctuated in cylinder, using the switchboard on leverage it is light and handy promote change-over switch
Turn off or on, while controlling to perform cylinder acting, Pneumatic water pump has been automatically achieved water and start anhydrous turning off standby, significantly
Reduce operating cost, it is to avoid Pneumatic water pump no-load running, extend the life-span of consumable accessory, reduce maintenance cost；Structure
Simple compact, floor space is small, easy to adjust, flexible movements reliability, not loss power, and reduces cost is safe and reliable to operation.
Brief description of the drawings
Fig. 1 is the structural representation of Pneumatic water pump one preferred embodiment of the present invention with self-con-tained unit；
Fig. 2 is the structural representation of turbine pneumatic water pump one preferred embodiment of the present invention with self-con-tained unit；
The mark of each part is as follows in accompanying drawing：1st, air motor, 2, the pump housing, 3, water inlet, 4, delivery port, 5, exhaust outlet,
6th, air inlet, 7, perform cylinder, 8, change-over switch, the 9, first escaping pipe；10th, the second escaping pipe, 11, flow control valve, 12, ball float
Cylinder, 13, ball float, 14, switchboard, 15, oil sprayer, 16, leverage.
Specific embodiment
Presently preferred embodiments of the present invention is described in detail below in conjunction with the accompanying drawings, so that advantages and features of the invention energy
It is easier to be readily appreciated by one skilled in the art, apparent is clearly defined so as to be made to protection scope of the present invention.
Fig. 1 is referred to, the embodiment of the present invention includes：
A kind of Pneumatic water pump with self-con-tained unit, including：The coaxial pump housing 2 and air motor 1 being wholely set, the pump
Body 2 is provided with water inlet 3 and delivery port 4, exhaust outlet 5 is offered on the air motor 1, between air inlet 6 and air motor 1
It is provided with a self-con-tained unit.Combined using Split type structure, compact conformation is simple, and floor space is small, easy to adjust.It is of the invention to have
The Pneumatic water pump of self-con-tained unit can be the turbine pneumatic water pump with self-con-tained unit, as shown in Figure 2.
The self-con-tained unit includes that one performs cylinder 7, the water amount detection device of change-over switch 8 and, and the air inlet 6 passes through
One air inlet pipe is connected with the input of change-over switch 8, and it is compression to enter the air of Pneumatic water pump in the present invention from the air inlet 6
Air, change-over switch 8, the present invention is preferably Pneumatic control type change-over switch.
The water amount detection device is connected by linkage with the starter open-close type of the change-over switch 8, described
Linkage is preferably leverage 16, and the position of the starter of corresponding conversion switch 8 is provided with one on the leverage 16
Switchboard 14.
The water amount detection device includes being provided with ball float 13, the ball float in a ball float cylinder 12, the ball float cylinder 12
13 are connected with leverage 16, and the ball float cylinder 12 is set with the same horizontal line of water inlet 3.
When water amount detection device detects water level less than the lowest water level of water inlet 3, the ball float 13 of water amount detection device does not have
Buoyancy, in sinking state, the leverage 16 being connected with ball float 13 is downward-sloping with ball float 13, the switch on leverage 16
Plate 14 disconnects with the starter of change-over switch 8, and change-over switch 8 is in off-state, performs cylinder 7 and does not do work, flow control valve 11
It is closed mode, is not turned between air inlet 6 and air motor 1.
When water amount detection device detects water level higher than the lowest water level of water inlet 3, the ball float 13 of water amount detection device has floating
Power, in floating state, the leverage 16 being connected with ball float 13 is raised above with ball float 13, the switchboard on leverage 16
14 are connected with the starter of change-over switch 8, and change-over switch 8 is in opening, perform cylinder 7 and start acting, make flow control valve
11 open, and turn on air inlet 6 and air motor 1.
The output end of the change-over switch 8 includes two gas outlets, respectively by the first escaping pipe 9 and the second escaping pipe 10
It is connected with the execution cylinder 7, be input into gas in air motor 1 by the execution cylinder 7.
Flow control valve 11 is provided between the air inlet 6 and air motor 1, is controlled by the execution cylinder 7 described
Flow control valve 11.
During 8 opening of change-over switch, turn on air inlet 6 and perform cylinder 7, perform cylinder 7 and pass through the first escaping pipe 9 or the
Two escaping pipe 10 transmits gas, and compressed gas are exported to cylinder 7 is performed from the first escaping pipe 9, are performed cylinder 7 and are run downwards, with flow
Control valve 11 is contacted, and can control the uninterrupted of compressed air.Compressed gas are exported to cylinder 7 is performed from the second escaping pipe 10, are held
Row cylinder 7 is moved upwards, is disconnected with flow control valve 11, and flow control valve 11 is closed.
By multiple practice principle, the execution cylinder 7 of in the market, change-over switch 8 and flow valve are borrowed, although admission pressure reaches
Arrive, but in the case of flow valve is unmatched, Pneumatic water pump effective percentage can lose 40%-50%, and the pump of 100m lifts can be reached originally,
The lift of existing apparatus has been used to can only achieve 60m-50m, therefore the present invention have matched the flow valve of air pump model, reach idle
Rate is lost.
An oil sprayer 15 is connected with the air motor 1, the oil sprayer 15 is located at flow control valve 11 and pneumatic horse
Up between 1.
Power of the invention is transmitted and controlled by the compressed air in closed-loop path.Profit is needed in air dielectric
Sliding occasion, oil sprayer 15 is exactly the component for being designed to be added to the lubricant for needing in air stream.
Lubricating oil is atomized and is injected in air stream by oil sprayer 15, and being flowed into compressed air needs the position of lubrication,
Reach the purpose of lubrication.
The present invention solves the shaft power that air motor improves air motor on the premise of air consumption is not increased, and makes pneumatic water
Pump improves rotating speed, reduces the physical dimension of water pump, with corresponding air motor Optimized Matching, drastically increases whole machine effect
Rate.
It is as shown in table 1 the data of existing coal industry vane type pneumatic submersible pump.
Table 1:
It is as shown in table 2 the data of the vane type pneumatic submersible pump after being improved using structure of the present invention.
Table 2：
Additionally, design point values when table 1 is with normal temperature clear water as medium with flow listed in table 2, lift, efficiency.
Compared by data in above-mentioned two table, it can be seen that the overall efficiency after improvement exceedes original design more than 50%,
If being contrasted with the electric submersible pump of same power, can say that vane type pneumatic submersible pump has reached main screw lift gently, mobile, maintenance,
Easy maintenance, efficiency have also exceeded electric pump, use the reliability that is also perfectly safe.
For turbine pneumatic water pump, compared with the present invention, specific data are shown in Table 3 to existing product.
Table 3：
Under same traffic, the lift of product of the present invention increases by more than 1 times than the lift of existing product.
Other another characteristic of the invention, in theory, admission pressure 0.5Mpa, pressure at expulsion only has 0.1Mpa, design
After rear-mounted self-con-tained unit, effect more preferably, more save, and no matter performs cylinder 7, the grade original paper of change-over switch 8 is more compact by deployment cost,
Price is lower.
Pneumatic water pump of the present invention with self-con-tained unit is provided with forward type self-con-tained unit, using the buoyancy of water, makes ball float
13 fluctuate in cylinder, are turned off or on using the light and handy change-over switch 8 that promotes of the switchboard 14 on leverage 16, together
When control perform cylinder 7 and do work, switch flow control valve 11, Pneumatic water pump has been automatically achieved water and start anhydrous turning off standby,
Considerably reduce operating cost, it is to avoid Pneumatic water pump no-load running, extend the life-span of consumable accessory, reduce and safeguard into
This；Simple and compact for structure, floor space is small, easy to adjust, flexible movements reliability, not loss power, reduces cost, operation safety
It is reliable.
Embodiments of the invention are the foregoing is only, the scope of the claims of the invention is not thereby limited, it is every to utilize this hair
Equivalent structure or equivalent flow conversion that bright specification and accompanying drawing content are made, or directly or indirectly it is used in other related skills
Art field, is included within the scope of the present invention.
Claims (9)
1. a kind of Pneumatic water pump with self-con-tained unit, it is characterised in that including：The coaxial pump housing being wholely set and pneumatic horse
Reach, the pump housing is provided with water inlet and delivery port, offer exhaust outlet on the air motor, air inlet and air motor it
Between be provided with a self-con-tained unit；
The self-con-tained unit includes that one performs cylinder, change-over switch and a water amount detection device, when water amount detection device is detected
Water level is less than water inlet lowest water level, and change-over switch is in off-state, performs cylinder and does not do work, and is placed in the flow control valve of air inlet
It is closed mode, is not turned between air inlet and air motor；When water amount detection device detects water level higher than water inlet minimum
Water level, change-over switch is in opening, performs cylinder and starts acting, opens flow control valve, turns on air inlet and air motor；
The input of the change-over switch is connected with air inlet, and the output end of the change-over switch includes two gas outlets, respectively
It is connected with the execution cylinder by the first escaping pipe and the second escaping pipe, the water amount detection device connects with change-over switch open-close type
Connect；
During change-over switch opening, turn on air inlet and perform cylinder, perform cylinder and pass through the first escaping pipe or the second escaping pipe
Transmission gas, compressed gas are exported to cylinder is performed from the first escaping pipe, are performed cylinder and are run downwards, are contacted with flow control valve, are controlled
The uninterrupted of compressed air processed；Compressed gas are exported to cylinder is performed from the second escaping pipe, are performed cylinder and are moved upwards, with flow control
Valve processed is disconnected, and flow control valve is closed.
2. the Pneumatic water pump with self-con-tained unit according to claim 1, it is characterised in that the water amount detection device leads to
A linkage is crossed to be connected with the starter open-close type of the change-over switch.
3. the Pneumatic water pump with self-con-tained unit according to claim 2, it is characterised in that the water amount detection device bag
Include a ball float cylinder, ball float be provided with the ball float cylinder, the ball float is connected with linkage, the ball float cylinder with water inlet
Mouth same horizontal line is set.
4. the Pneumatic water pump with self-con-tained unit according to claim 3, it is characterised in that correspondence on the linkage
The position of the starter of change-over switch is provided with a switchboard.
5. the Pneumatic water pump with self-con-tained unit according to claim 4, it is characterised in that the linkage is a thick stick
Lever apparatus, the switchboard is on a lever.
6. the Pneumatic water pump with self-con-tained unit according to claim 1, it is characterised in that connected on the air motor
There is an oil sprayer, the oil sprayer is located between flow control valve and air motor.
7. the Pneumatic water pump with self-con-tained unit according to claim 1, it is characterised in that enter gas from the air inlet
The air of dynamic water pump is compressed air.
8. the Pneumatic water pump with self-con-tained unit according to claim 5, it is characterised in that when water amount detection device detection
When being less than water inlet lowest water level to water level, the ball float of water amount detection device does not have buoyancy, in sinking state, is connected with ball float
One leverage is downward-sloping with ball float, and the switchboard on leverage disconnects with the starter of change-over switch, change-over switch
In off-state.
9. the Pneumatic water pump with self-con-tained unit according to claim 5, it is characterised in that when water amount detection device detection
To water level be higher than water inlet lowest water level when, the ball float of water amount detection device has buoyancy, in floating state, be connected with ball float
Leverage is raised above with ball float, and the switchboard on leverage is connected with the starter of change-over switch, and change-over switch is in
Opening.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310272748.2A CN103321912B (en) | 2013-07-02 | 2013-07-02 | Pneumatic water pump with self-con-tained unit |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310272748.2A CN103321912B (en) | 2013-07-02 | 2013-07-02 | Pneumatic water pump with self-con-tained unit |
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| CN103321912A CN103321912A (en) | 2013-09-25 |
| CN103321912B true CN103321912B (en) | 2017-07-11 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106091327B (en) * | 2016-06-21 | 2020-05-05 | 浙江富士精工科技有限公司 | Air conditioner drainage pump and control method |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201925180U (en) * | 2011-01-18 | 2011-08-10 | 李玉林 | Pneumatic pump with protection device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2188112Y (en) * | 1994-01-31 | 1995-01-25 | 陈伦响 | Pneumatic full-automatic pumping controller |
| JP2002122093A (en) * | 2000-10-13 | 2002-04-26 | Ebara Corp | Automatic operation type submerged pump |
| US7855345B2 (en) * | 2007-11-19 | 2010-12-21 | Stevens Pump Company | Differential pressure switch |
| CN103104288A (en) * | 2012-12-28 | 2013-05-15 | 杨瑞玲 | Mine mechanical automatic drainage device |
| CN203441765U (en) * | 2013-07-02 | 2014-02-19 | 常州窦氏气动机械有限公司 | Pneumatic water pump with self-control device |
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2013
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Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201925180U (en) * | 2011-01-18 | 2011-08-10 | 李玉林 | Pneumatic pump with protection device |
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| CN103321912A (en) | 2013-09-25 |
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