CN105065244A - Pneumatic pump control device - Google Patents
Pneumatic pump control device Download PDFInfo
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- CN105065244A CN105065244A CN201510436625.7A CN201510436625A CN105065244A CN 105065244 A CN105065244 A CN 105065244A CN 201510436625 A CN201510436625 A CN 201510436625A CN 105065244 A CN105065244 A CN 105065244A
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Abstract
A pneumatic pump control device comprises an air supply pipeline (1) and a control pipeline (7), wherein the air supply pipeline (1) and the control pipeline (7) are connected in parallel. The air supply pipeline (1) is provided with an air supply pneumatic control valve (3). An outlet of the control pipeline (7) is communicated with a control air inlet of the air supply pneumatic control valve (3). A liquid level control pipeline communicated with a water storage pool (16) is arranged on the control pipeline (7). The liquid level control pipeline comprises a low-liquid-level pneumatic control pipeline body and a high-liquid-level pneumatic control pipeline body. When the liquid level reaches a high liquid level, the high-liquid-level pneumatic control pipeline body and the low-liquid-level pneumatic control pipeline body are closed at the same time, and the air supply pneumatic control valve (3) is opened; when the liquid level reaches a low liquid level, the high-liquid-level pneumatic control pipeline body and the low-liquid-level pneumatic control pipeline body are used for exhausting air at the same time, and the air supply pneumatic control valve (3) is closed. Compressed air of a pneumatic pump is used as a power source of the control pipeline, operation is safe and reliable, and maintenance is not needed. The service life of the pneumatic pump control device is prolonged, and air sources are saved.
Description
Technical field
Pneumatic pump control gear, belongs to Auto-drainage technical field.
Background technique
Low-lying some draining of the environment of explosion risk is had at present in mine and chemical industry, electric water pump and the Pneumatic water pump of flame-proof type can only be adopted, flame proof electric water pump also needs the switch control rule of flame-proof type, have high input, maintenance load is large, if equipment has, damage is in bad repair loses explosion insulation performance, has explosion risk.Pneumatic draining pump can not control now automatically, needs people to keep an eye on, otherwise works on after water emptying, and waste pressure wind-power source, reduces the life-span of pump, increase
?operating cost.The pneumatic pump had now only adopts a level detection mechanism to control work and the stopping of pneumatic pump, and this often just causes pneumatic pump frequent starting, and high-low water level can not adjust respectively.
Summary of the invention
The technical problem to be solved in the present invention is: overcome the deficiencies in the prior art, provides a kind of power source being control system with the pressurized air of pneumatic pump, pneumatic pump is carried out to the pneumatic pump control gear of Auto-drainage control, realize unmanned, automatic operation, security of operation, reliable, non-maintaining; Extend the working life of pneumatic pump and avoid wasting pressurized air.
The technical solution adopted for the present invention to solve the technical problems is: this pneumatic pump control gear,
Comprise pneumatic pump;
Be connected with pneumatic pump, for pneumatic pump provides the supply air line of source of the gas;
Be arranged on supply air line, for controlling the air feed Pneumatic valve of supply air line break-make;
It is characterized in that: described supply air line is also connected with the control gas entrance of described air feed Pneumatic valve by pilot line; Described pilot line is provided with the Liquid level pipeline be communicated with plash; Described Liquid level pipeline comprises low liquid level pneumatic line and high liquid level pneumatic line; When liquid level arrives high liquid level, high liquid level pneumatic line and low liquid level pneumatic line are closed simultaneously, and air feed Pneumatic valve is opened; When liquid level arrives low liquid level, high liquid level pneumatic line and low liquid level pneumatic line are vented simultaneously, and air feed Pneumatic valve is closed.In water level rise process, before water level arrives high level detection mechanism, air feed Pneumatic valve is in closed condition, pneumatic air pump inoperative, and after below water level decreasing to low level detection mechanism, air feed Pneumatic valve is closed, and pneumatic pump quits work.
Preferably, described low liquid level pneumatic line comprises the first normally closed low liquid level gas exhaust piping controlling Pneumatic valve and be communicated with pilot line, first inlet, outlet controlling Pneumatic valve is connected with pilot line respectively, and the first control gas port controlling Pneumatic valve is connected with low liquid level gas exhaust piping; Described high liquid level pneumatic line comprises the second high liquid level gas exhaust piping controlling Pneumatic valve and be communicated with pilot line often opened, second inlet, outlet controlling Pneumatic valve is connected with high liquid level gas exhaust piping respectively, and the pilot line that the second control gas port and first controlling Pneumatic valve controls rear, Pneumatic valve air outlet is connected; Low liquid level gas exhaust piping and high liquid level gas exhaust piping exhaust ports are respectively equipped with low level detection mechanism and high level detection mechanism.
Preferably, described low liquid level pneumatic line comprises low level detection mechanism and low liquid level gas exhaust piping, low level detection mechanism is arranged on the lower end outlet of low liquid level gas exhaust piping, high liquid level pneumatic line comprises high level detection mechanism and high liquid level gas exhaust piping, and high level detection mechanism is arranged on the lower end outlet of high liquid level gas exhaust piping; Pilot line is also provided with and connects first of low liquid level gas exhaust piping and high liquid level gas exhaust piping respectively and control Pneumatic valve and second and control Pneumatic valve, the water level air feed Pneumatic valve after paramount level detection mechanism that goes up is communicated with, and starts pneumatic pump; Before water level decreasing to low level detection mechanism, air feed Pneumatic valve is in connected state, and pneumatic pump works on.
Preferably, it is normally closed Pneumatic valve that described air feed Pneumatic valve and first controls Pneumatic valve, and the second control Pneumatic valve is normal open Pneumatic valve;
The air outlet that described low level detection mechanism controls low liquid level gas exhaust piping is often opened, the air outlet exhaust of low liquid level gas exhaust piping before water level being detected, the air outlet that high level detection mechanism controls high liquid level gas exhaust piping is often opened, the air outlet exhaust of high liquid level gas exhaust piping before water level being detected;
First controls Pneumatic valve is connected on pilot line, and the suction port of low liquid level gas exhaust piping is communicated with the pilot line on front side of the first control Pneumatic valve, and low liquid level gas exhaust piping is also communicated with the control gas entrance of the first control Pneumatic valve,
Second suction port controlling Pneumatic valve is communicated with the pilot line on front side of the first control Pneumatic valve, second air outlet controlling Pneumatic valve is communicated with described high liquid level gas exhaust piping, and the second control gas entrance controlling Pneumatic valve is communicated with the pilot line on rear side of the first control Pneumatic valve.
Preferably, described pilot line is provided with pressure regulator valve and throttle valve, and the pressure of pressure regulator valve and throttle valve air outlet is a bit larger tham the cracking pressure of the first control Pneumatic valve.Monitoring tolerance is greater than leakage tolerance during closedown.
Preferably, described low level detection mechanism comprises low liquid-level floater and low liquid level air outlet plugging mechanism, low liquid-level floater vertically to be slided setting by horizontal limit devices, and low liquid level air outlet plugging mechanism completes closing and opening low liquid level gas exhaust piping air outlet by the drive that low liquid-level floater is elevated;
Described high level detection mechanism comprises high liquid-level floater and high liquid level air outlet plugging mechanism, high liquid-level floater vertically to be slided setting by horizontal limit devices, low liquid-level floater vertically to be slided setting by horizontal limit devices, and high liquid level air outlet plugging mechanism completes closing and opening high liquid level gas exhaust piping air outlet by the drive that high liquid-level floater is elevated.
Preferably, also comprise level sensing cylinder, low liquid-level floater, high liquid-level floater, low liquid level air outlet plugging mechanism and high liquid level air outlet plugging mechanism are all arranged in level sensing cylinder, low liquid level gas exhaust piping and high liquid level gas exhaust piping correspondence stretch in level sensing cylinder, and the bottom of level sensing cylinder offers water intake.
Preferably, the height adjustment mechanism regulating low liquid level air outlet plugging mechanism, high liquid level air outlet plugging mechanism and low liquid level gas exhaust piping and high liquid level gas exhaust piping air outlet height is provided with in described level sensing cylinder.
Preferably, described level sensing tube inner chamber is divided into has water cavity and without water cavity, water cavity is wherein had to be communicated with described water intake, have in water cavity described in low liquid-level floater and high liquid-level floater are arranged on, low liquid level air outlet plugging mechanism and high liquid level air outlet plugging mechanism are without in water cavity, low liquid level gas exhaust piping and high liquid level gas exhaust piping also correspondence are arranged on without in water cavity, and low liquid-level floater and high liquid-level floater drive low liquid level air outlet plugging mechanism and the plugging mechanism action of high liquid level air outlet respectively by magnetic force.
Preferably, described low liquid level air outlet plugging mechanism is swing the low liquid level swing arm arranged, one end of low liquid level swing arm is corresponding with low liquid-level floater to be arranged, the other end of low liquid level swing arm is corresponding with the air outlet of low liquid level gas exhaust piping to be arranged, low liquid-level floater swings with the low liquid level swing arm of water level rising rear driving, and low liquid level swing arm cuts out the air outlet of low liquid level gas exhaust piping;
High liquid level air outlet plugging mechanism is swing the high liquid level swing arm arranged, one end of high liquid level swing arm is corresponding with high liquid-level floater to be arranged, the other end of high liquid level swing arm is corresponding with the air outlet of high liquid level gas exhaust piping to be arranged, high liquid-level floater swings with water level rising rear driving high liquid level swing arm, and high liquid level swing arm cuts out the air outlet of high liquid level gas exhaust piping.
Preferably, described height adjustment mechanism comprises the vertical guide rod, screw rod and the adjusting nut that arrange, adjusting nut comprises the low liquid level nut of the screw rod that is threaded and high liquid level nut, the connection guide rod that low liquid level nut and high liquid level nut vertically slide respectively by spline unit, low liquid level swing arm rotates and is arranged on low liquid level nut, the lower end of low liquid level gas exhaust piping is fixed on low liquid level nut, high liquid level swing arm rotates and is arranged on high liquid level nut, and high liquid level gas exhaust piping lower end is fixed on high liquid level nut.
Preferably, described pilot line is provided with one-way valve and gas holder, and gas holder is arranged on the side of one-way valve air outlet.When supply air line is of short duration lose pressure time, gas holder temporarily can provide pressurized air for pilot line, ensure stable operation.
Compared with prior art, the beneficial effect that the present invention has is:
1, pneumatic pump is controlled in water level rise process by low liquid level pneumatic line and high liquid level pneumatic line, before water level arrives high level detection mechanism, air feed Pneumatic valve is in closed condition, pneumatic air pump inoperative, after below water level decreasing to low level detection mechanism, air feed Pneumatic valve is closed, and pneumatic pump quits work.
2, with the power source that the pressurized air of pneumatic pump is pilot line, Auto-drainage control is carried out to pneumatic pump, realizes unmanned, automatic operation, security of operation, reliable, non-maintaining; Effectively can extend the working life of pneumatic pump and avoid wasting pressurized air.And the present invention utilizes the first control Pneumatic valve, the operating conditions of pneumatic pump is optimized by the second control Pneumatic valve, low level detection mechanism and high level detection mechanism further, be in particular in, when liquid level declines, when liquid level drops to high level detection mechanism, pneumatic pump does not quit work, but just stops when working on to water level decreasing to low level detection mechanism; When liquid level rises, when liquid level rises to low level detection mechanism, pneumatic pump does not work, but when liquid level rises paramount level detection mechanism, pneumatic pump is just started working, and while reasonable water level control, controls the starter node of pneumatic pump, thus the stop frequency of pneumatic pump can be effectively reduced, improve the working life of pneumatic pump.
3, the second control gas entrance controlling Pneumatic valve is communicated with the pilot line on rear side of the first control Pneumatic valve, after the first control Pneumatic valve is opened, Pneumatic valve can be controlled by second to close simultaneously, thus can water level drop to high water level feeler mechanism once time first control Pneumatic valve and be still on state, pneumatic pump is worked on, structure is simple, designs ingenious.
4, the pressure of throttle valve air outlet is a bit larger tham the cracking pressure of the first control Pneumatic valve, while can ensureing to open the first air Pneumatic valve, reduces compressed-air actuated loss as far as possible, reduces noise simultaneously.
5, make operation more convenient by level sensing cylinder, when determining to carry out draining to plash, directly level sensing cylinder being vertically placed in plash, just can realizing the Auto-drainage of plash, easy for installation.
6, low liquid level swing arm and high liquid level swing arm are in anhydrous environment, avoid rust corrosion, improve the working life of equipment.
7, the height of high liquid level swing arm and low liquid level gas exhaust piping and high liquid level gas exhaust piping air outlet height can be regulated by height adjustment mechanism, just can set the concrete height of low water level and high water level very easily, easy to operate, reliably.
Accompanying drawing explanation
Fig. 1 is the control principle drawing of this pneumatic pump control gear.
Fig. 2 is the structural representation of this pneumatic pump control gear.
Fig. 3 is the partial enlarged drawing at A place in Fig. 2.
Fig. 4 is the structural representation of low level detection mechanism and high another embodiment of level detection mechanism.
Fig. 5 is the partial enlarged drawing at B place in Fig. 4.
Fig. 6 is the structural representation of low level detection mechanism and the another embodiment of high level detection mechanism.
Wherein: 1, supply air line 2, source of the gas processing components 201, oil fogger 3, air feed Pneumatic valve 4, modulating valve 5, pneumatic pump 6, baffler 7, pilot line 8, one-way valve 9, gas holder 10, first controls Pneumatic valve 11, pressure regulator valve 12, second controls Pneumatic valve 13, high liquid level gas exhaust piping 14, throttle valve 15, low liquid level gas exhaust piping 16, plash 17, supply channel 18, high level detection mechanism 19, low level detection mechanism 20, high liquid-level floater 21, level sensing cylinder 22, there is water cavity 23, cross spacing bar 24, without water cavity 25, low liquid-level floater 26, base 27, low liquid level swing arm 28, low liquid level nut 29, nut position-limited lever 30, guide rod 31, screw rod 32, high liquid level nut 33, high liquid level swing arm 34, screw rod set screw nut 35, fixed case 36, hinge bar.
Embodiment
Fig. 1 ~ 3 are most preferred embodiments of this pneumatic pump control gear, and below in conjunction with accompanying drawing 1 ~ 6, the present invention will be further described.
This pneumatic pump control gear, comprises pneumatic pump 5, supply air line 1, air feed Pneumatic valve 3 and pilot line 7, and supply air line 1 provides source of the gas for pneumatic pump 5, air feed Pneumatic valve 3 is arranged on supply air line 1, controls the break-make of supply air line 1, pilot line 7 entrance is communicated with the supply air line 1 on front side of air feed Pneumatic valve 3, the control gas entrance of outlet air feed Pneumatic valve 3, pilot line 7 is provided with the first control Pneumatic valve 10 and second and controls Pneumatic valve 12, also comprise low level detection mechanism 19 and high level detection mechanism 18, control Pneumatic valve 10 and second respectively by gas exhaust piping and first to control Pneumatic valve 12 and be connected between two, gas exhaust piping suction port is communicated with pilot line 7 or supply air line 1, low level detection mechanism 19 and high level detection mechanism 18 sensed water level also control the break-make of gas exhaust piping air outlet, gas exhaust piping air outlet provides control first to control the control source of the gas of Pneumatic valve 10 and the second control Pneumatic valve 12 after closing, first controls Pneumatic valve 10 and second controls the break-make that Pneumatic valve 12 jointly controls air feed Pneumatic valve 3, in water level rise process, before water level arrives high level detection mechanism 18, air feed Pneumatic valve 3 is in closed condition, and pneumatic pump 5 does not work, and after high level detection mechanism 18 has detected water, air feed Pneumatic valve 3 is communicated with, and starts pneumatic pump 5, water level is in decline process, and before water level decreasing to low level detection mechanism 19, air feed Pneumatic valve 3 is in connected state, and pneumatic pump 5 works, and after water level decreasing to low level detection mechanism less than 19, air feed Pneumatic valve 3 is closed, and pneumatic pump 5 quits work.With the power source of the pressurized air of pneumatic pump 5 for pilot line 7, Auto-drainage control is carried out to pneumatic pump 5, realizes unmanned, automatic operation, security of operation, reliable, non-maintaining; Effectively can extend the working life of pneumatic pump 5 and avoid wasting pressurized air.And the present invention utilizes the first control Pneumatic valve 10, second control Pneumatic valve 12, low level detection mechanism 19 and high level detection mechanism 18 operating conditions of pneumatic pump 5 to be optimized further, be in particular in, when liquid level declines, when liquid level drops to high level detection mechanism 18, pneumatic pump 5 does not quit work, but just stops when working on to water level decreasing to low level detection mechanism 19; When liquid level rises, when liquid level rises to low level detection mechanism 19, pneumatic pump 5 does not work, but when liquid level rises paramount level detection mechanism 18, pneumatic pump 5 is just started working, and while reasonable water level control, controls the starter node of pneumatic pump 5, thus the stop frequency of pneumatic pump 5 can be effectively reduced, improve the working life of pneumatic pump 5.
Below in conjunction with the drawings and specific embodiments, the present invention is described further; it is to be noted; drawings and Examples are just in order to better explain the present invention; can not be used for limiting scope, those skilled in the art inspire the equivalence change done still to belong to the protection domain of technical solution of the present invention by the embodiment of the present application.
With reference to Fig. 1, in the present embodiment, it is normally closed Pneumatic valve that air feed Pneumatic valve 3 and first controls Pneumatic valve 10, and the second control Pneumatic valve 12 is normal open Pneumatic valve, gas exhaust piping comprises low liquid level gas exhaust piping 15 and high liquid level gas exhaust piping 13, the air outlet that low level detection mechanism 19 controls low liquid level gas exhaust piping 15 is often opened, the air outlet exhaust of low liquid level gas exhaust piping 15 before water level being detected, the air outlet that high level detection mechanism 18 controls high liquid level gas exhaust piping 13 is often opened, the air outlet exhaust of high liquid level gas exhaust piping 13 before water level being detected, first controls Pneumatic valve 10 is connected on pilot line 7, the suction port of low liquid level gas exhaust piping 15 is communicated with the pilot line 7 on front side of the first control Pneumatic valve 10, low liquid level gas exhaust piping 15 is also communicated with the control gas entrance that first controls Pneumatic valve 10, second suction port controlling Pneumatic valve 12 is communicated with the pilot line 7 on front side of the first control Pneumatic valve 10, second air outlet controlling Pneumatic valve 12 is communicated with high liquid level gas exhaust piping 13, the second control gas entrance controlling Pneumatic valve 12 is communicated with the pilot line 7 on rear side of the first control Pneumatic valve 10, the water inlet of pneumatic pump 5 is communicated with the bottom of plash 16 by supply channel 17.
Explanation is further explained to the working principle of pilot line 7 below:
When there is no water in plash 16, pressurized air in pilot line 7 enters low liquid level gas exhaust piping 15, because the air outlet of low liquid level gas exhaust piping 15 is often opened, pressurized air is discharged by the air outlet of low liquid level gas exhaust piping 15, so the pressure that control first controls Pneumatic valve 10 cannot be set up, first controls Pneumatic valve 10 is in closed condition, pressurized air in pilot line 7 cannot arrive air feed Pneumatic valve 3, and air feed Pneumatic valve 3 is normally close valves, so the pressurized air in supply air line 1 cannot arrive pneumatic pump 5, now start and do not work;
When water level in plash 16 rises to low level detection mechanism 19, low level detection mechanism 19 closes low liquid level gas exhaust piping 15, but the pressurized air in pilot line 7 still can control Pneumatic valve 12 by second to be entered in high liquid level gas exhaust piping 13, because high liquid level gas exhaust piping 13 air outlet is also often opened, so the pressurized air in pilot line 7 is still discharged from high liquid level gas exhaust piping 13, still cannot set up the pressure that control first controls Pneumatic valve 10, pneumatic pump 5 does not still work;
Water level in plash 16 rise paramount level detection mechanism 18 time, high level detection mechanism 18 closes the air outlet of high liquid level gas exhaust piping 13, now because the air outlet of low liquid level gas exhaust piping 15 and high liquid level gas exhaust piping 13 is all closed, the pressure that control first controls Pneumatic valve 10 can be set up, now the first control Pneumatic valve 10 is opened, and the pressurized air of pilot line 7 arrives air feed Pneumatic valve 3, and air feed Pneumatic valve 3 is opened, supply air line 1 conducting, pneumatic pump 5 is started working;
In pneumatic pump 5 working procedure, water level decreasing, but after the first control Pneumatic valve 10 conducting, compression control in pilot line 7 can control Pneumatic valve 12 by second and close, now pilot line 7 and high liquid level gas exhaust piping 13 disconnect, so before water level decreasing to low level detection mechanism 19, pilot line 7 still has the pressure opening the first control Pneumatic valve 10;
When water level decreasing is to low level detection mechanism 19, the air outlet of low liquid level gas exhaust piping 15 is opened again, compressor in pilot line 7 is discharged from low liquid level gas exhaust piping 15, first controls Pneumatic valve 10 closes under the action of the spring again, because the first control Pneumatic valve 10 is closed, lose the pressure that control second controls Pneumatic valve 12, second controls Pneumatic valve 12 is repositioned to normal open state under the action of the spring again, so far completes a circulation.
Preferably, supply air line 1 is provided with source of the gas processing components 2, can ensure the safe operation of each valve and pneumatic pump 5.Supply air line 1 is also provided with modulating valve 4, regulates the pressure of supply air line 1, ensure the safe and stable operation of pneumatic pump 5, in the present embodiment, source of the gas processing components 2 comprises oil fogger 201.Pneumatic pump 5 is connected with baffler 6, reduces noise further, improves working environment.
In the present embodiment, pilot line 7 is provided with one-way valve 8 and gas holder 9, one-way valve 8 ensures that the pressurized air in pilot line 7 can only flow to the direction of air feed Pneumatic valve 3, gas holder 9 is arranged on one-way valve 8 and exports on the pilot line 7 of rear side, when supply air line 1 is of short duration lose pressure time, gas holder 9 temporarily can provide pressurized air for pilot line 7, ensures stable operation.
Further, pilot line 7 is provided with throttle valve 14, the pressure of throttle valve 14 air outlet is a bit larger tham the cracking pressure of the first control Pneumatic valve 10, concrete, the pressure of throttle valve 14 air outlet is 1.1 ~ 2 times of the cracking pressure of the first control Pneumatic valve 10, while can ensureing to open the first air Pneumatic valve, reduce compressed-air actuated loss as far as possible, reduce noise simultaneously.
The present embodiment is also provided with pressure regulator valve 11 on pilot line 7, reduce the pressure on pilot line 7, reduce to control to first the impact that Pneumatic valve 10, second controls Pneumatic valve 12 and air feed Pneumatic valve 3, improve working life, reduce losses of compressed air simultaneously, reduce noise.
With reference to Fig. 2, low level detection mechanism 19 comprises low liquid-level floater 25 and low liquid level swing arm 27, low liquid-level floater 25 vertically to be slided setting by horizontal limit devices, one end of low liquid level swing arm 27 is corresponding with low liquid-level floater 25 to be arranged, the other end of low liquid level swing arm 27 is corresponding with the air outlet of low liquid level gas exhaust piping 15 to be arranged, low liquid-level floater 25 swings with the low liquid level swing arm 27 of water level rising rear driving, and low liquid level swing arm 27 cuts out the air outlet of low liquid level gas exhaust piping 15; Described high level detection mechanism 18 comprises high liquid-level floater 20 and high liquid level swing arm 33, high liquid-level floater 20 vertically to be slided setting by horizontal limit devices, one end of high liquid level swing arm 33 is corresponding with high liquid-level floater 20 to be arranged, the other end of high liquid level swing arm 33 is corresponding with the air outlet of high liquid level gas exhaust piping 13 to be arranged, high liquid-level floater 20 swings with water level rising rear driving high liquid level swing arm 33, and high liquid level swing arm 33 cuts out the air outlet of high liquid level gas exhaust piping 13.Controlled the break-make of gas exhaust piping air outlet by ball float, structure is simple, and reliable operation, should understand certainly, can also adopt the air outlet of upside down funnel shape, and ball float directly closes the air outlet of gas exhaust piping after rising.
Further, also comprise level sensing cylinder 21, low liquid-level floater 25, high liquid-level floater 20, low liquid level swing arm 27 and high liquid level swing arm 33 are all arranged in level sensing cylinder 21, low liquid level gas exhaust piping 15 and high liquid level gas exhaust piping 13 correspondence stretch in level sensing cylinder 21, the bottom of level sensing cylinder 21 offers water intake, make operation more convenient by level sensing cylinder 21, when determining to carry out draining to plash 16, directly level sensing cylinder 21 is vertically placed in plash 16, just can realize the Auto-drainage of plash 16, easy for installation.The lower end of level sensing cylinder 21 is also provided with base 26, makes level sensing cylinder 21 fixing more solid and reliable.
Being divided in level sensing cylinder 21 has water cavity 22 and without water cavity 24, water cavity 22 is wherein had to be communicated with the water intake of level sensing cylinder 21, have described in low liquid-level floater 25 and high liquid-level floater 20 are arranged in water cavity 22, low liquid level swing arm 27 and high liquid level swing arm 33 are arranged on without in water cavity 24, low liquid-level floater 25 drives low liquid level swing arm 27 and the action of high liquid level swing arm 33 with high liquid-level floater 20 respectively by magnetic force, low liquid level swing arm 27 and high liquid level swing arm 33 is made to be in anhydrous environment, avoid rust corrosion, improve the working life of equipment.Water cavity 22 internal fixtion is had to have a vertical cross spacing bar 23 in the present embodiment, what low liquid level swing arm 27 and high liquid level swing arm 33 all vertically slided is arranged on cross spacing bar 23, preventing low liquid-level floater 25 and high liquid-level floater 20 there being generation lateral shift in water cavity 22, guaranteeing low liquid level swing arm 27 and high liquid level swing arm 33 reliable operation.
The height adjustment mechanism regulating low liquid level swing arm 27, high liquid level swing arm 33 and low liquid level gas exhaust piping 15 and high liquid level gas exhaust piping 13 air outlet height is provided with in level sensing cylinder 21, the height of high liquid level swing arm 33 and low liquid level gas exhaust piping 15 and high liquid level gas exhaust piping 13 air outlet height can be regulated by height adjustment mechanism, just can set the concrete height of low water level and high water level very easily, easy to operate, reliably.Concrete, height adjustment mechanism comprises the vertical guide rod 30 arranged, screw rod 31 and adjusting nut, screw rod 31 upper end is rotated fixing by screw rod set screw nut 34, adjusting nut comprises the low liquid level nut 28 of the screw rod 31 that is threaded and high liquid level nut 32, the connection guide rod 30 that low liquid level nut 28 and high liquid level nut 32 vertically slide respectively by spline unit, low liquid level swing arm 27 rotates and is arranged on low liquid level nut 28, the lower end of low liquid level gas exhaust piping 15 is fixed on low liquid level nut 28, high liquid level swing arm 33 rotates and is arranged on high liquid level nut 32, high liquid level gas exhaust piping 13 lower end is fixed on high liquid level nut 32.Spline unit is nut position-limited lever 29, and one end of nut position-limited lever 29 is fixedly connected with adjusting nut, and what the other end vertically slided is arranged on guide rod 30.
In the present embodiment, low liquid level nut 28 and high liquid level nut 32 all offer relief opening, the lower end of low liquid level gas exhaust piping 15 connects low liquid level nut 28, and the air outlet of low liquid level gas exhaust piping 15 is communicated with the relief opening of low liquid level nut 28, the lower end of high liquid level gas exhaust piping 13 connects high liquid level nut 32, and the air outlet of high liquid level gas exhaust piping 13 is communicated with the relief opening of high liquid level nut 32, one end of low liquid level swing arm 27 is arranged by magnet is corresponding with low liquid-level floater 25, the other end is arranged by plug is corresponding with the relief opening on low liquid level nut 28, low liquid level swing arm 27 is driven to swing after low liquid-level floater 25 rises, plug blocks the relief opening of low liquid level nut 28, thus close low liquid level gas exhaust piping 15, same, one end of high liquid level swing arm 33 is arranged by magnet is corresponding with high liquid-level floater 20, the other end is arranged by plug is corresponding with the relief opening on high liquid level nut 32, and drive high liquid level swing arm 33 to swing after high liquid-level floater 20 rises, plug blocks the relief opening of high liquid level nut 32.
In order to make structure compacter, fixed case 35 is also fixed with in the upper end of level sensing cylinder 21, one-way valve 8, pressure regulator valve 11, first control Pneumatic valve 10, second control Pneumatic valve 12 and modulating valve 4 is all fixed in fixed case 35, on whole pilot line 7, element is fixed in fixed case 35 and level sensing cylinder 21, structure is compacter, easy to use.
With reference to Fig. 3, in the present embodiment said Magnetic Control refer on low liquid-level floater 25 and low liquid level swing arm 27, high liquid-level floater 20 and high liquid level swing arm 33 correspondence magnetic element is set, concrete, at low liquid-level floater 25, permanent magnet is set near the side of low liquid level swing arm 27, in corresponding one end of low liquid level swing arm 27, attracting permanent magnet or iron block are set, after low liquid-level floater 25 rises, low liquid level swing arm 27 can be driven to swing, thus control the relief opening on low liquid level nut 28.The magnetic element of high liquid level swing arm 33 and high liquid-level floater 20 is arranged equally.
With reference to Fig. 4, in another embodiment, level sensing cylinder 21 inner chamber is without water cavity 24, and low liquid-level floater 25, high liquid-level floater 20, low liquid level nut 28, low liquid level swing arm 27, high liquid level nut 32 and high liquid level swing arm 33 have all been fixed in water cavity 22.Being crisscross arranged of low liquid-level floater 25 and high liquid-level floater 20, low liquid level nut 28 and high liquid level nut 32 correspondence in the present embodiment, particularly, the bottom being arranged on screw rod 31 that low liquid-level floater 25 vertically slides, low liquid level is bolted to the bottom of cross spacing bar 23, high liquid-level floater 20 is slidably arranged in cross spacing bar 23 top, and high liquid level bolt thread is connected to the top of screw rod 31.
With reference to Fig. 5, one end of high liquid level swing arm 33 is rotationally connected by hinge bar 36 and high liquid-level floater 20, the other end is arranged by plug is corresponding with the relief opening on high liquid level nut 32, and same, low liquid level swing arm 27 is also rotationally connected low liquid-level floater 25 by hinge bar 36.
With reference to Fig. 6, in another embodiment, the bottom being arranged on screw rod 31 that low liquid-level floater 25 vertically slides, low liquid level is bolted to the bottom of cross spacing bar 23, high liquid-level floater 20 is slidably arranged in cross spacing bar 23 top, and high liquid level bolt thread is connected to the top of screw rod 31.Cross spacing bar 23 is the threaded stems that are threaded with low liquid level nut 28, low liquid level nut 28 is by the setting of nut position-limited lever 29 with screw rod 31 relative sliding, high liquid level nut 32 is by the setting of nut position-limited lever 29 with cross spacing bar 23 relative sliding, the height of low liquid level nut 28 and high liquid level nut 32 can be regulated respectively by cross spacing bar 23 and screw rod 31, thus the height of low liquid level and high liquid level can be regulated, can regulate respectively, more flexibly.
The above is only preferred embodiment of the present invention, and be not restriction the present invention being made to other form, any those skilled in the art may utilize the technology contents of above-mentioned announcement to be changed or be modified as the Equivalent embodiments of equivalent variations.But everyly do not depart from technical solution of the present invention content, any simple modification, equivalent variations and the remodeling done above embodiment according to technical spirit of the present invention, still belong to the protection domain of technical solution of the present invention.
Claims (10)
1. a pneumatic pump control gear,
Comprise pneumatic pump (5);
Be connected with pneumatic pump (5), for pneumatic pump (5) provides the supply air line (1) of source of the gas;
Be arranged on supply air line (1), for controlling the air feed Pneumatic valve (3) of supply air line (1) break-make;
It is characterized in that: described supply air line (1) is also connected with the control gas entrance of described air feed Pneumatic valve (3) by pilot line (7); Described pilot line (7) is provided with the Liquid level pipeline be communicated with plash (16); Described Liquid level pipeline comprises low liquid level pneumatic line and high liquid level pneumatic line; When liquid level arrives high liquid level, high liquid level pneumatic line and low liquid level pneumatic line are closed simultaneously, and air feed Pneumatic valve (3) is opened; When liquid level arrives low liquid level, high liquid level pneumatic line and low liquid level pneumatic line are vented simultaneously, and air feed Pneumatic valve (3) is closed.
2. pneumatic pump control gear according to claim 1, it is characterized in that: described low liquid level pneumatic line comprises the first normally closed low liquid level gas exhaust piping (15) controlling Pneumatic valve (10) and be communicated with pilot line (7), first inlet, outlet controlling Pneumatic valve (10) is connected with pilot line (7) respectively, and the first control gas port controlling Pneumatic valve (10) is connected with low liquid level gas exhaust piping (15); Described high liquid level pneumatic line comprises the second high liquid level gas exhaust piping (13) controlling Pneumatic valve (12) and be communicated with pilot line (7) of often opening, second inlet, outlet controlling Pneumatic valve (12) is connected with high liquid level gas exhaust piping (13) respectively, and the pilot line (7) that the second control gas port and first controlling Pneumatic valve (12) controls Pneumatic valve (10) rear, air outlet is connected; Low liquid level gas exhaust piping (15) and high liquid level gas exhaust piping (13) exhaust ports are respectively equipped with low level detection mechanism (19) and high level detection mechanism (18).
3. pneumatic pump control gear according to claim 1, it is characterized in that: described low liquid level pneumatic line comprises low level detection mechanism (19) and low liquid level gas exhaust piping (15), low level detection mechanism (19) is arranged on the lower end outlet of low liquid level gas exhaust piping (15), high liquid level pneumatic line comprises high level detection mechanism (18) and high liquid level gas exhaust piping (13), and high level detection mechanism (18) is arranged on the lower end outlet of high liquid level gas exhaust piping (13); Pilot line (7) is also provided with the first control Pneumatic valve (10) and second connecting low liquid level gas exhaust piping (15) and high liquid level gas exhaust piping (13) respectively and controls Pneumatic valve (12), water level go up paramount level detection mechanism (18) afterwards air feed Pneumatic valve (3) be communicated with, start pneumatic pump (5); Before water level decreasing to low level detection mechanism (19), air feed Pneumatic valve (3) is in connected state, and pneumatic pump (5) works on.
4. pneumatic pump control gear according to claim 3, is characterized in that: described air feed Pneumatic valve (3) and first controls Pneumatic valve (10) for normally closed Pneumatic valve, and the second control Pneumatic valve (12) is normal open Pneumatic valve;
The air outlet that described low level detection mechanism (19) controls low liquid level gas exhaust piping (15) is often opened, the air outlet exhaust of low liquid level gas exhaust piping (15) before water level being detected, the air outlet that high level detection mechanism (18) controls high liquid level gas exhaust piping (13) is often opened, the air outlet exhaust of high liquid level gas exhaust piping (13) before water level being detected;
First controls Pneumatic valve (10) is connected on pilot line (7), the suction port of low liquid level gas exhaust piping (15) is communicated with the pilot line (7) that first controls Pneumatic valve (10) front side, low liquid level gas exhaust piping (15) is also communicated with the control gas entrance that first controls Pneumatic valve (10)
Second suction port controlling Pneumatic valve (12) is communicated with the pilot line (7) that first controls Pneumatic valve (10) front side, second air outlet controlling Pneumatic valve (12) is communicated with described high liquid level gas exhaust piping (13), and the second control gas entrance controlling Pneumatic valve (12) is communicated with the pilot line (7) that first controls Pneumatic valve (10) rear side.
5. the pneumatic pump control gear according to any one of claim 2 ~ 4, it is characterized in that: described pilot line (7) is provided with pressure regulator valve (11) and throttle valve (14), the pressure of pressure regulator valve (11) and throttle valve (14) air outlet is a bit larger tham the cracking pressure of the first control Pneumatic valve (10).
6. the pneumatic pump control gear according to any one of claim 2 ~ 4, it is characterized in that: described low level detection mechanism (19) comprises low liquid-level floater (25) and low liquid level air outlet plugging mechanism, low liquid-level floater (25) vertically to be slided setting by horizontal limit devices, and low liquid level air outlet plugging mechanism completes closing and opening low liquid level gas exhaust piping (15) air outlet by the drive that low liquid-level floater (25) is elevated;
Described high level detection mechanism (18) comprises high liquid-level floater (20) and high liquid level air outlet plugging mechanism, high liquid-level floater (20) vertically to be slided setting by horizontal limit devices, low liquid-level floater (25) vertically to be slided setting by horizontal limit devices, and high liquid level air outlet plugging mechanism completes closing and opening high liquid level gas exhaust piping (13) air outlet by the drive that high liquid-level floater (20) is elevated.
7. pneumatic pump control gear according to claim 6, it is characterized in that: also comprise level sensing cylinder (21), low liquid-level floater (25), high liquid-level floater (20), low liquid level air outlet plugging mechanism and high liquid level air outlet plugging mechanism are all arranged in level sensing cylinder (21), low liquid level gas exhaust piping (15) and high liquid level gas exhaust piping (13) correspondence stretch in level sensing cylinder (21), and the bottom of level sensing cylinder (21) offers water intake.
8. pneumatic pump control gear according to claim 7, is characterized in that: be provided with the height adjustment mechanism regulating low liquid level air outlet plugging mechanism, high liquid level air outlet plugging mechanism and low liquid level gas exhaust piping (15) and high liquid level gas exhaust piping (13) air outlet height in described level sensing cylinder (21).
9. pneumatic pump control gear according to claim 7, it is characterized in that: described level sensing cylinder (21) inner chamber is divided into has water cavity (22) and without water cavity (24), water cavity (22) is wherein had to be communicated with described water intake, have described in low liquid-level floater (25) and high liquid-level floater (20) are arranged in water cavity (22), low liquid level air outlet plugging mechanism and high liquid level air outlet plugging mechanism are without in water cavity (24), low liquid level gas exhaust piping (15) and high liquid level gas exhaust piping (13) also correspondence are arranged on without in water cavity (24), low liquid-level floater (25) and high liquid-level floater (20) drive low liquid level air outlet plugging mechanism and the plugging mechanism action of high liquid level air outlet respectively by magnetic force.
10. the pneumatic pump control gear according to any one of claim 7 ~ 9, it is characterized in that: described low liquid level air outlet plugging mechanism is swing the low liquid level swing arm (27) arranged, one end of low liquid level swing arm (27) is corresponding with low liquid-level floater (25) to be arranged, the other end of low liquid level swing arm (27) is corresponding with the air outlet of low liquid level gas exhaust piping (15) to be arranged, low liquid-level floater (25) swings with the low liquid level swing arm (27) of water level rising rear driving, and low liquid level swing arm (27) closes the air outlet of low liquid level gas exhaust piping (15);
High liquid level air outlet plugging mechanism is swing the high liquid level swing arm (33) arranged, one end of high liquid level swing arm (33) is corresponding with high liquid-level floater (20) to be arranged, the other end of high liquid level swing arm (33) is corresponding with the air outlet of high liquid level gas exhaust piping (13) to be arranged, high liquid-level floater (20) swings with water level rising rear driving high liquid level swing arm (33), and high liquid level swing arm (33) closes the air outlet of high liquid level gas exhaust piping (13).
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| CN201510436625.7A CN105065244B (en) | 2015-07-23 | 2015-07-23 | Pneumatic apparatus for controlling pump |
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| CN201510436625.7A CN105065244B (en) | 2015-07-23 | 2015-07-23 | Pneumatic apparatus for controlling pump |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106089622A (en) * | 2016-08-24 | 2016-11-09 | 天津海辰华环保科技股份有限公司 | Fill, partitioned powered desilting pump of exitting |
| CN106315770A (en) * | 2016-11-14 | 2017-01-11 | 河南锦源环保科技有限公司 | Full pneumatic automatic control system with organic membrane |
| CN106438316A (en) * | 2016-11-14 | 2017-02-22 | 河南锦源环保科技有限公司 | Remote full-pneumatic controlled automatic water supply device |
| CN108316406A (en) * | 2018-03-29 | 2018-07-24 | 河南力行科创矿山技术开发有限公司 | Mining pneumatic high water supply pressure quantitative water tank device and using method thereof |
| CN109441893A (en) * | 2018-12-19 | 2019-03-08 | 贵州创能科技有限公司 | A kind of hydraulic pressure air pump |
| CN110185052A (en) * | 2019-04-24 | 2019-08-30 | 宁波安信数控技术有限公司 | A kind of servo-driver is applied to the method and system of base pit dewatering |
| CN113389764A (en) * | 2021-06-30 | 2021-09-14 | 四川航天烽火伺服控制技术有限公司 | Hydraulic equipment and turbo pump outlet pressure control system thereof |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3607115A1 (en) * | 1986-03-05 | 1987-09-17 | Neuhaeuser Gmbh & Co | Pneumatic pump control for at least one feed pump |
| RU2205985C2 (en) * | 2001-03-14 | 2003-06-10 | ОАО Уральский научно-технологический комплекс | Portable drainage turbopump |
| CN103104288A (en) * | 2012-12-28 | 2013-05-15 | 杨瑞玲 | Mine mechanical automatic drainage device |
| CN104018877A (en) * | 2014-06-03 | 2014-09-03 | 太原理工大学 | Pneumatic type automatic drainage control system used for coal mine air return way |
| CN204003517U (en) * | 2014-07-31 | 2014-12-10 | 长春工程学院 | Intelligence water plug |
| CN204827882U (en) * | 2015-07-23 | 2015-12-02 | 王道宗 | Pneumatic pump control system device |
-
2015
- 2015-07-23 CN CN201510436625.7A patent/CN105065244B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3607115A1 (en) * | 1986-03-05 | 1987-09-17 | Neuhaeuser Gmbh & Co | Pneumatic pump control for at least one feed pump |
| RU2205985C2 (en) * | 2001-03-14 | 2003-06-10 | ОАО Уральский научно-технологический комплекс | Portable drainage turbopump |
| CN103104288A (en) * | 2012-12-28 | 2013-05-15 | 杨瑞玲 | Mine mechanical automatic drainage device |
| CN104018877A (en) * | 2014-06-03 | 2014-09-03 | 太原理工大学 | Pneumatic type automatic drainage control system used for coal mine air return way |
| CN204003517U (en) * | 2014-07-31 | 2014-12-10 | 长春工程学院 | Intelligence water plug |
| CN204827882U (en) * | 2015-07-23 | 2015-12-02 | 王道宗 | Pneumatic pump control system device |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106089622A (en) * | 2016-08-24 | 2016-11-09 | 天津海辰华环保科技股份有限公司 | Fill, partitioned powered desilting pump of exitting |
| CN106315770A (en) * | 2016-11-14 | 2017-01-11 | 河南锦源环保科技有限公司 | Full pneumatic automatic control system with organic membrane |
| CN106438316A (en) * | 2016-11-14 | 2017-02-22 | 河南锦源环保科技有限公司 | Remote full-pneumatic controlled automatic water supply device |
| CN108316406A (en) * | 2018-03-29 | 2018-07-24 | 河南力行科创矿山技术开发有限公司 | Mining pneumatic high water supply pressure quantitative water tank device and using method thereof |
| CN108316406B (en) * | 2018-03-29 | 2023-12-19 | 河南力行科创矿山技术开发有限公司 | Mining pneumatic high-water-supply-pressure quantitative water tank device and using method thereof |
| CN109441893A (en) * | 2018-12-19 | 2019-03-08 | 贵州创能科技有限公司 | A kind of hydraulic pressure air pump |
| CN109441893B (en) * | 2018-12-19 | 2023-06-20 | 贵州创能科技有限公司 | Hydraulic air pump |
| CN110185052A (en) * | 2019-04-24 | 2019-08-30 | 宁波安信数控技术有限公司 | A kind of servo-driver is applied to the method and system of base pit dewatering |
| CN113389764A (en) * | 2021-06-30 | 2021-09-14 | 四川航天烽火伺服控制技术有限公司 | Hydraulic equipment and turbo pump outlet pressure control system thereof |
| CN113389764B (en) * | 2021-06-30 | 2022-11-15 | 四川航天烽火伺服控制技术有限公司 | Hydraulic equipment and turbo pump outlet pressure control system thereof |
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