CN201461505U - Regulating device of stepping water pump vane - Google Patents

Regulating device of stepping water pump vane Download PDF

Info

Publication number
CN201461505U
CN201461505U CN2009200973918U CN200920097391U CN201461505U CN 201461505 U CN201461505 U CN 201461505U CN 2009200973918 U CN2009200973918 U CN 2009200973918U CN 200920097391 U CN200920097391 U CN 200920097391U CN 201461505 U CN201461505 U CN 201461505U
Authority
CN
China
Prior art keywords
cylinder body
distributing valve
rod
leverage
water pump
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN2009200973918U
Other languages
Chinese (zh)
Inventor
蒋耀庭
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
TIANJIN TIANJIAO HYDROELECTRIC EQUIPMENT CO Ltd
Original Assignee
TIANJIN TIANJIAO HYDROELECTRIC EQUIPMENT CO Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by TIANJIN TIANJIAO HYDROELECTRIC EQUIPMENT CO Ltd filed Critical TIANJIN TIANJIAO HYDROELECTRIC EQUIPMENT CO Ltd
Priority to CN2009200973918U priority Critical patent/CN201461505U/en
Application granted granted Critical
Publication of CN201461505U publication Critical patent/CN201461505U/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Images

Landscapes

  • Actuator (AREA)

Abstract

The utility model relates to a regulating device of a stepping water pump vanes, which comprises an oil leakage tank, a cylinder body mounted at the upper end of the oil leakage tank, a distributing valve mounted on the cylinder body and a displacement sensor mounted on the cylinder body, and is characterized in that a stepping leverage is mounted at the upper end of the distributing valve, one end of the stepping leverage is connected with the distributing valve, and other end of stepping leverage is connected with a piston in the cylinder body. And as a result, the connecting pipeline in the utility model is completely replaced by the oil circuit in the cylinder body, the pipeline connected to the exterior thereof is basically eliminated, and therefore the oil penetration and leakage caused by connection is reduced. As the number of the pipelines is reduced, the appearance thereof is more regular and uniform, and the structure thereof is simpler and clearer. And in addition, by adopting the stepping motor to replace the original servo motor, the size and mounting space thereof are greatly reduced, and therefore the utility model has the advantages of attractive appearance, reliable performance, accurate regulation, and excellent quick-action ability and stability.

Description

Step-by-step movement water pump blade controlling device
Technical field
The utility model belongs to the hydrotechnics field, particularly relates to a kind of step-by-step movement water pump blade controlling device.
Background technique
At present, the known technology water pump develops into the form of can regulate flow from flow setting type, and the controlling device of regulating water pump blade also arises.Shortcomings such as the controlling device in the eighties in last century mostly is electrodynamic type, and the rotation of dependence motor comes the open angle of adjusting vane, and it exists degree of regulation not high, and safety coefficient is low, along with the continuous increase of water pump, motorized adjustment can not satisfy it and regulate requirement.So the regulative mode that relies on hydraulic pressure to regulate occurred, so just can satisfy the adjusting requirement of water pump.What this controlling device adopted is the working principle of actuating motor lever, relies on actuating motor to drive the distributing valve piston and moves up and down and switch oil circuit and control increasing of blade angle or subtract.Effects such as its actuating motor volume is bigger, non-moistureproof, non-refractory are relatively poor, the high deficiency of rate of fault.
Summary of the invention
The utility model provides a kind of simple in structure, level of integration height, no exposed conduit road, the step-by-step movement water pump blade controlling device that degree of regulation is high for solving the technical problem that exists in the known technology.
The technological scheme that the utility model is taked for the technical problem that exists in the solution known technology is:
A kind of step-by-step movement water pump blade controlling device, comprise the displacement transducer of installing on the distributing valve installed on the cylinder body installed leak oil tank, leak oil tank upper end, the cylinder body and the cylinder body, it is characterized in that: the step-by-step movement leverage that install described distributing valve upper end, step-by-step movement leverage one end connects distributing valve, and the other end of step-by-step movement leverage connects the piston rod in the cylinder body.
The utility model can also adopt following technical measures:
Described step-by-step movement mechanism comprises the support that is installed on the cylinder body, the step-by-step motor that support is installed, the lower end of step-by-step motor is equipped with man-operated mechanism, the output shaft connecting screw rod of step-by-step motor, be set with swivel nut on the screw rod, the other end of screw rod is rack-mount by spring bearing, be hinged with balancing pole on the swivel nut, the lower end of balancing pole is near the hinged pull bar of swivel nut side, the end articulated linkage of balancing pole, connecting plate is installed in the bottom of connecting rod, and connecting plate one end connects the piston rod in the cylinder body, and the other end of connecting plate contacts with the push rod of displacement transducer.
Described man-operated mechanism comprises the helical gear that is connected with motor, and helical gear meshes manual helical gear, and manually helical gear is installed on the manual rod, and the end of manual rod is equipped with handwheel.
Advantage and the good effect that the utlity model has are: step-by-step movement water pump blade controlling device, adopt technical solutions of the utility model, control with step motor type, regulate and distribute valve events by leverage, switch oil circuit, cylinder body connects the control oil pipe, based on the lever connection distributing valve of stepper motor, the pressure oil of the control oil pipe that switching links to each other with cylinder body, and stability, the reliability controlled automatically are higher.
1, the stepper motor of Cai Yonging dwindles greatly as driving volume, utilizes the straight-line displacement drive lever of the interlock generation of screw rod and swivel nut to regulate and distribute valve.
2, realize automation control by pressure signal, displacement signal etc., convenient succinct.
3, the feedback mechanism that forms a closed loop by lever can allow blade remain on certain angle and drift not take place.
Description of drawings
Fig. 1 is a structural representation of the present utility model;
Fig. 2 is the plan view of Fig. 1;
Fig. 3 is a step-by-step movement leverage structural representation.
Among the figure: 1, leak oil tank; 2, cylinder body; 2-1, piston rod; 3, distributing valve; 4, displacement transducer; 4-1, push rod; 5, step-by-step movement leverage; 5-1, support; 5-2, step-by-step motor; 5-3, man-operated mechanism; 5-3-1, helical gear; 5-3-2, helical gear; 5-3-3, manual helical gear; 5-3-4, manual rod; 5-3-5, handwheel; 5-4, screw rod; 5-5, swivel nut 5-6, balancing pole; 5-7, pull bar; 5-8, connecting rod; 5-9, connecting plate.
Embodiment
For further understanding summary of the invention of the present utility model, characteristics and effect, exemplify following examples now, and conjunction with figs. is described in detail as follows:
Embodiment:
See also Fig. 1 and Fig. 2, a kind of step-by-step movement water pump blade controlling device, comprise leak oil tank 1, the cylinder body 2 that install leak oil tank 1 upper end, the distributing valve of installing on the cylinder body 23, and the displacement transducer of installing on the cylinder body 24, the step-by-step movement leverage 5 that install described distributing valve 3 upper ends, step-by-step movement leverage 5 one ends connect distributing valve 3, the other end of step-by-step movement leverage 5 connects the piston rod 2-1 in the cylinder body 2, oil circuit in the distributing valve 3 communicates with oil circuit in the cylinder body 2, the displacement amount that step-by-step movement leverage 5 provides makes distributing valve 3 switch oil circuits, and fluid is given to cylinder body 2 through distributing valve 3 and finishes adjustment to blade angle.
In said mechanism, see also Fig. 3, described step-by-step movement leverage comprises the support 5-1 that is installed on the cylinder body, the step-by-step motor 5-2 that support 5-1 installs, the lower end of step-by-step motor 5-2 is equipped with man-operated mechanism 5-3, and described man-operated mechanism 5-3 comprises the helical gear 5-3-1 that is connected with step-by-step motor 5-2, and helical gear 5-3-2 meshes manual helical gear 5-3-3, manually helical gear 5-3-3 is installed on the manual rod 5-3-4, and the end of manual rod 5-3-4 is equipped with handwheel 5-3-5.The output shaft connecting screw rod 5-4 of step-by-step motor 5-2, be set with swivel nut 5-5 on the screw rod 5-4, the other end of screw rod 5-4 is installed on the support 5-1 by spring bearing, be hinged with balancing pole 5-6 on the swivel nut 5-5, the lower end of balancing pole 5-6 is near the hinged pull bar 5-7 of swivel nut 5-5 side, the end articulated linkage 5-8 of balancing pole 5-6, connecting plate 5-9 is installed in the bottom of connecting rod 5-8, connecting plate 5-9 one end connects the piston rod 2-1 in the cylinder body 2, and the other end of connecting plate 5-9 contacts with the push rod 4-1 of displacement transducer 4.Said structure can be divided into electric reponse system and machine feedback system, and wherein electric reponse system is made up of step-by-step motor 5-2, screw rod 5-4, swivel nut 5-5, balancing pole 5-6, displacement transducer 4; The machine feedback system is made up of man-operated mechanism 5-3, screw rod 5-4, swivel nut 5-5, balancing pole 5-6, piston rod 2-1, articulated linkage 5-8.
The characteristics of present embodiment:
Simple in structure, aesthetic in appearance
Integrated structure connects pipeline and replaces by oil circuit in the cylinder body fully, and the outside pipeline that connects is cancelled basically, has reduced owing to connect oozing of causing, oil leakage phenomenon.Because it is the minimizing of pipeline makes outward appearance more uniform, more brief clear on the structure.Adopt stepper motor to replace former actuating motor, reduced volume and installing space greatly, aesthetic in appearance, reliable performance.Regulate accurately, have good quick-action and stability.
Operating principle: step-by-step motor 5-2 clockwise or be rotated counterclockwise and drive screw rod 5-4 clockwise or be rotated counterclockwise when regulating automatically, swivel nut 5-5 forms upper and lower displacement and changes on screw rod 5-4, the right-hand member that swivel nut 5-5 drives balancing pole 5-6 is that fulcrum moves up and down with the left end. balancing pole 5-6 is connected by hinged pull bar 5-7 with distributing valve 3, balancing pole 5-6 upper and lower displacement drives distributing valve 3 and distributes oil circuit, adjusting displacement on fluid enters under the piston adjusting generation through cylinder body 2, displacement transducer 4 feeds back to control system by piston rod 2-1 with regulated quantity with the change in displacement of piston, judge to regulate whether put in place by control system. the left end of balancing pole 5-6 is to go up under the fulcrum to move (this moment, stepper motor stopped) with swivel nut 5-5 simultaneously, the oil circuit of distributing valve 3 is closed stop to regulate.
When electric control system breaks down, in the time of can't realizing regulating automatically, can adopt manual control mode, rotate handwheel 5-3-5 during manually-operable by hand and drive screw rod 5-4 clockwise or be rotated counterclockwise, swivel nut 5-5 forms upper and lower displacement and changes on screw rod 5-4, the right-hand member that swivel nut 5-5 drives balancing pole 5-6 is that fulcrum moves up and down with the left end.Balancing pole 5-6 is connected by hinged pull bar 5-7 with distributing valve 3, and balancing pole 5-6 upper and lower displacement drives distributing valve 3 and distributes oil circuit, and fluid process cylinder body 2 enters the adjusting displacement in the piston adjusting generation down.The left end of balancing pole 5-6 is to go up under the fulcrum to move (this moment, stepper motor stopped) with swivel nut 5-5, the oil circuit of distributing valve 3 is closed stop to regulate.

Claims (3)

1. step-by-step movement water pump blade controlling device, comprise the displacement transducer of installing on the distributing valve installed on the cylinder body installed leak oil tank, leak oil tank upper end, the cylinder body and the cylinder body, it is characterized in that: the step-by-step movement leverage that install described distributing valve upper end, step-by-step movement leverage one end connects distributing valve, and the other end of step-by-step movement leverage connects the piston rod in the cylinder body.
2. step-by-step movement water pump blade controlling device according to claim 1, it is characterized in that: described step-by-step movement mechanism comprises the support that is installed on the cylinder body, the step-by-step motor that support is installed, the lower end of step-by-step motor is equipped with man-operated mechanism, the output shaft connecting screw rod of step-by-step motor, be set with swivel nut on the screw rod, the other end of screw rod is rack-mount by spring bearing, be hinged with balancing pole on the swivel nut, the close hinged pull bar of swivel nut side in the lower end of balancing pole, the end articulated linkage of balancing pole, connecting plate is installed in the bottom of connecting rod, connecting plate one end connects the piston rod in the cylinder body, and the other end of connecting plate contacts with the push rod of displacement transducer.
3. step-by-step movement water pump blade controlling device according to claim 1, it is characterized in that: described man-operated mechanism comprises the helical gear that is connected with motor, helical gear meshes manual helical gear, and manually helical gear is installed on the manual rod, and the end of manual rod is equipped with handwheel.
CN2009200973918U 2009-06-29 2009-06-29 Regulating device of stepping water pump vane Expired - Fee Related CN201461505U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2009200973918U CN201461505U (en) 2009-06-29 2009-06-29 Regulating device of stepping water pump vane

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2009200973918U CN201461505U (en) 2009-06-29 2009-06-29 Regulating device of stepping water pump vane

Publications (1)

Publication Number Publication Date
CN201461505U true CN201461505U (en) 2010-05-12

Family

ID=42388859

Family Applications (1)

Application Number Title Priority Date Filing Date
CN2009200973918U Expired - Fee Related CN201461505U (en) 2009-06-29 2009-06-29 Regulating device of stepping water pump vane

Country Status (1)

Country Link
CN (1) CN201461505U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103388588A (en) * 2013-08-15 2013-11-13 戴宏岸 Built-in rotary blade angle hydraulic pressure regulator
CN107339254A (en) * 2017-06-20 2017-11-10 广东河海泵业机械有限公司 The in-service adjusting means of water pump blade angle based on tooth difference driving

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103388588A (en) * 2013-08-15 2013-11-13 戴宏岸 Built-in rotary blade angle hydraulic pressure regulator
CN107339254A (en) * 2017-06-20 2017-11-10 广东河海泵业机械有限公司 The in-service adjusting means of water pump blade angle based on tooth difference driving

Similar Documents

Publication Publication Date Title
CN201554628U (en) Mechanical diaphragm metering pump
CN104870813B (en) Pump capacity control
CN201461505U (en) Regulating device of stepping water pump vane
CN201696728U (en) Floating ball valve
CN201068843Y (en) Electrohydraulic load pressure flow control variable plunger pump
CN202659990U (en) Adjustable swing check valve
CN110553091A (en) Water flow state conversion device inside rigid pipeline
CN201028086Y (en) Water supply-adjustable and automatic closing control valve
CN201221483Y (en) Proportional digital valve type water pump vane adjusting device
CN208397034U (en) A kind of forward and reverse balanced limitation self-return regulating mechanism
CN202274182U (en) Valve plate opening device for hydraulic control valve
CN220269153U (en) Valve group with cutting-off function
CN102322532A (en) A kind of zero-pressure is opened the remote control float valve
CN201340550Y (en) Water level automatic control device of clean water tank
CN102107842B (en) Novel electric oil injection machine
CN201836136U (en) Flow adjusting mechanism of hydraulic pump
CN220013861U (en) Multifunctional water level control valve
CN203202200U (en) AMT hydraulic actuator based on LSC linear gear selection control
CN109869497B (en) Long distance pipeline high performance valve
CN2421474Y (en) Self-operated flow controlling valve
CN104763830A (en) Piston type hydraulic control valve
CN218954174U (en) Float-type automatic regulating valve
CN204592461U (en) A kind of piston type hydraulic control valve
CN215371224U (en) Sluice control structure
CN219796300U (en) Adjustable water level ball float valve

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: 20100512

Termination date: 20170629