CN103727295A - Emergency hydraulic manual operation module for gas-liquid linkage actuator - Google Patents

Emergency hydraulic manual operation module for gas-liquid linkage actuator Download PDF

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Publication number
CN103727295A
CN103727295A CN201410032673.5A CN201410032673A CN103727295A CN 103727295 A CN103727295 A CN 103727295A CN 201410032673 A CN201410032673 A CN 201410032673A CN 103727295 A CN103727295 A CN 103727295A
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China
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fluid port
hydraulic fluid
hydraulic
gas
oil hole
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CN201410032673.5A
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Chinese (zh)
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CN103727295B (en
Inventor
黄乐敏
房保平
李锦硕
曹永明
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TEFULONG (SHANGHAI) TECHNOLOGY CO., LTD.
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Tefulong Group Co Ltd
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K31/00—Actuating devices; Operating means; Releasing devices
    • F16K31/12—Actuating devices; Operating means; Releasing devices actuated by fluid
    • F16K31/14—Actuating devices; Operating means; Releasing devices actuated by fluid for mounting on, or in combination with, hand-actuated valves
    • F16K31/143—Actuating devices; Operating means; Releasing devices actuated by fluid for mounting on, or in combination with, hand-actuated valves the fluid acting on a piston

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Fluid-Pressure Circuits (AREA)

Abstract

The invention discloses an emergency hydraulic manual operation module for a gas-liquid linkage actuator. The emergency hydraulic manual operation module comprises a manual pump and a four-position six-way hydraulic rotating valve, wherein the four-position six-way hydraulic rotating valve has four valve positions, namely, an automatic valve position, a manual pump valve-closing position, a manual pump valve-opening position and a breakover valve position; under the automatic valve position, an oil hole T and an oil hole P are closed, an oil hole PA is communicated with an oil hole A, and an oil hole TB is communicated with an oil hole B; under the manual pump valve-opening position, the oil hole P is communicated with the oil hole A, the oil hole T is communicated with the oil hole PA, and the oil hole B is communicated with the oil hole B; under the manual pump valve-closing position, the oil hole P is communicated with the oil hole B, the oil hole T is communicated with the oil hole TB, and the oil hole A is communicated with the oil hole PA; under the breakover valve position, the oil hole P, the oil hole T, the oil hole A and the oil hole B are all closed, and the oil hole PA is communicated with the oil hole TB. The emergency hydraulic manual operation module provided by the invention has the advantages that the emergency manual operation is realized when high-pressure power gas has a fault and can not be supplied, and the actuator can open or close the valve, so that the normal operation and safety of a pipeline are guaranteed; gas-liquid tank A and B can be conducted, so that the height of the oil level of hydraulic oil is the same.

Description

For the urgent hydraulic manual operational module of gas-liquid linked final controlling element
Technical field
The present invention relates to a kind of urgent hydraulic manual operational module for gas-liquid linked final controlling element.
Background technique
When gas-liquid linked final controlling element is normally worked, be by the pressure of high voltage power gas, to be converted into hydraulic oil power source promotion hydraulic cylinder piston to order about final controlling element unlatching or throttle down.Gas-liquid linked final controlling element is equipped with A, two gas-liquid tanks of B (hereinafter to be referred as A tank, B tank) conventionally.During normal operation, adopt to be filled with A tank or B tank high voltage power gas and the hydraulic oil in tank is pressed into Hydraulic Cylinder piston orders about final controlling element and open or throttle down.This control mode, in some urgencies, cannot supply with as high voltage power gas breaks down, and makes final controlling element cannot carry out proper operation, has serious potential safety hazard.
Summary of the invention
The object of the invention is the shortcoming and defect existing in order to overcome prior art, and provide a kind of manually-operable of meeting an urgent need in the situation that there is no high voltage power gas, so that final controlling element unlatching or throttle down, and then the urgent hydraulic manual operational module for gas-liquid linked final controlling element of guarantee pipeline safety.
For achieving the above object, technological scheme of the present invention is that gas-liquid linked final controlling element comprises A gas-liquid tank, B gas-liquid tank and oil hydraulic cylinder, oil hydraulic cylinder comprises rod chamber and rodless cavity, this urgent hydraulic manual operational module comprises hand pump and four six logical hydraulic reversing valves and integrated, and these four six logical hydraulic reversing valves are provided with: for the P communicating with A gas-liquid tank ahydraulic fluid port, the T for communicating with B gas-liquid tank bhydraulic fluid port, the A hydraulic fluid port for communicating with the rodless cavity of oil hydraulic cylinder, the B hydraulic fluid port for communicating with the rod chamber of oil hydraulic cylinder, and the P hydraulic fluid port communicating for the T hydraulic fluid port that communicates with described hand pump suction passage and hand pump oil discharge passage, four six described logical hydraulic reversing valves have four kinds of valve position: valve position, hand pump close valve position automatically, hand pump leaves valve position and conducting valve position, wherein, automatically under valve position, T hydraulic fluid port and P hydraulic fluid port are closed, P ahydraulic fluid port is communicated with A hydraulic fluid port, T bhydraulic fluid port communicates with B hydraulic fluid port; Hand pump leaves under valve position, and P hydraulic fluid port and A hydraulic fluid port are communicated with, T hydraulic fluid port and P ahydraulic fluid port is communicated with, B hydraulic fluid port and T bhydraulic fluid port communicates; Hand pump closes under valve position, and P hydraulic fluid port and B hydraulic fluid port are communicated with, T hydraulic fluid port and T bhydraulic fluid port connection, A hydraulic fluid port and P ahydraulic fluid port communicates; Under conducting valve position, P hydraulic fluid port, T hydraulic fluid port, A hydraulic fluid port and B hydraulic fluid port are all closed, P ahydraulic fluid port and T bhydraulic fluid port communicates.
Further arranging is that four six logical hydraulic reversing valves include spool, valve gap, valve seat and rotary valve operating grip, and described valve seat is cylindrical end face, is respectively equipped with the P hydraulic fluid port and the T hydraulic fluid port that lead to hand pump oil discharge passage, hand pump oil suction oil duct on it; And lead to the P of A, two gas-liquid tanks of B a, T bhydraulic fluid port, lead to A, the B hydraulic fluid port of oil hydraulic cylinder rodless cavity and rod chamber.
Further arranging is the cylindrical structural that described spool and valve seat are same diameter, and the end face of spool has five water conservancy diversion oil ducts not connected and that differ in size.
Further arranging is that described valve gap is provided with the pressure balance pod apertures that multiple tracks communicates with water conservancy diversion oil duct.
Working principle of the present invention is: four valve position of the four-way control rotary valve control of urgent hydraulic manual operational module are divided into " automatically ", " opening ", " pass " and " conducting ", and its function is respectively:
" valve position automatically ", when gas-liquid linked final controlling element normally moves, can be four the six logical valve position of controlling rotary valve locking, T inlet port and P oil outlet are closed, P ahydraulic fluid port is communicated with A hydraulic fluid port, T bhydraulic fluid port communicates with B hydraulic fluid port, this valve position, and hand pump is failure to actuate; Be filled with rodless cavity that A hydraulic tank high voltage power gas is pressed into oil hydraulic cylinder by the hydraulic oil in its tank and promote hydraulic cylinder piston and order about final controlling element throttle down, and the hydraulic oil of oil hydraulic cylinder rod chamber is back to B tank.Otherwise, also can be filled with rod chamber that B gas-liquid tank high voltage power gas is pressed into oil hydraulic cylinder by the hydraulic oil in its tank and promote hydraulic cylinder piston and order about final controlling element Open valve, and the hydraulic oil of oil hydraulic cylinder rodless cavity is back to A gas-liquid tank.
" valve position left by hand pump ", four six of emergency operations are logical while controlling rotary valves to the valve position of " opening ", and P hydraulic fluid port and A hydraulic fluid port are communicated with, T hydraulic fluid port and P ahydraulic fluid port is communicated with, B hydraulic fluid port and T bhydraulic fluid port communicates, and the rodless cavity promotion hydraulic cylinder piston that operation hand pump can pump into the hydraulic oil in A gas-liquid tank oil hydraulic cylinder orders about final controlling element Open valve, and the hydraulic oil of oil hydraulic cylinder rod chamber is back to B gas-liquid tank.This valve position, just can tackle once the high voltage power gas of A gas-liquid tank and break down and cannot supply with, and can also realize the effect of final controlling element Open valve, has ensured the safety of pipeline.
" hand pump pass valve position ", four six of emergency operations are logical while controlling rotary valves to the valve position of " passs ", P hydraulic fluid port and the connection of B hydraulic fluid port, T hydraulic fluid port and T bhydraulic fluid port connection, A hydraulic fluid port and P ahydraulic fluid port communicates, and the rod chamber promotion hydraulic cylinder piston that operation hand pump can pump into the hydraulic oil in B gas-liquid tank oil hydraulic cylinder orders about final controlling element throttle down, and the hydraulic oil of the rodless cavity of oil hydraulic cylinder is back to A tank.This valve position, just can tackle once the high voltage power gas of B gas-liquid tank and break down and cannot supply with, and can also realize the effect of final controlling element throttle down, has ensured normal operation and the safety of pipeline.
" conducting valve position ", operate four six logical while controlling rotary valves to the valve position of " conducting ", P oil outlet, T inlet port, A hydraulic fluid port and B hydraulic fluid port are all closed, P ahydraulic fluid port and T bhydraulic fluid port communicates, i.e. A gas-liquid tank, the conducting of B gas-liquid tank, and the hydraulic oil level height of balance A, B two tanks is consistent.
In sum, the present invention can realize at high voltage power gas and breaking down cannot supply with time, with the manually-operable of meeting an urgent need, so that final controlling element is opened or throttle down, and then ensure normal operation and the safety of pipeline, and can conducting A, B gas-liquid tank so that hydraulic oil level height is consistent.
Below in conjunction with specification drawings and specific embodiments, the present invention is described further.
Accompanying drawing explanation
The hydraulic schematic diagram of Fig. 1 specific embodiment of the invention;
Fig. 2 structural representation of the present invention;
Fig. 3 is the right elevation of integrated package;
Fig. 4 is the left view of integrated package;
Fig. 5 is integrated package A-A sectional view;
The spool schematic diagram of Fig. 6 embodiment's rotary valve;
Fig. 7 is the plan view of spool;
Fig. 8 is four six logical " valve position automatically " phase diagrams of controlling rotary valve.
Embodiment
Below by embodiment, the present invention is specifically described; only be used to further illustrate the present invention; can not be interpreted as limiting the scope of the present invention, the technician in this field can make some nonessential improvement and adjustment to the present invention according to the content of foregoing invention.
The specific embodiment of the present invention as shown in Figure 1, gas-liquid linked final controlling element comprises A gas-liquid tank 11, B gas-liquid tank 12 and oil hydraulic cylinder 13, oil hydraulic cylinder 13 comprises rod chamber 131 and rodless cavity 132, gas-liquid linked final controlling element also includes the actuator 14 by the piston actuated of oil hydraulic cylinder, this urgent hydraulic manual operational module includes hand pump 2 and four six logical hydraulic reversing valves 3, and these four six logical hydraulic reversing valves 3 are provided with: for the P communicating with A gas-liquid tank ahydraulic fluid port, the T for communicating with B gas-liquid tank bhydraulic fluid port, the A hydraulic fluid port for communicating with the rodless cavity of oil hydraulic cylinder, the B hydraulic fluid port for communicating with the rod chamber of oil hydraulic cylinder, and the P hydraulic fluid port communicating for the T hydraulic fluid port that communicates with described hand pump suction passage and hand pump oil discharge passage.Four six described logical hydraulic reversing valves have four kinds of valve position: valve position, hand pump are opened valve position automatically, hand pump closes valve position and conducting valve position, and wherein, under valve position, T hydraulic fluid port and P hydraulic fluid port are closed, P automatically ahydraulic fluid port is communicated with A hydraulic fluid port, T bhydraulic fluid port communicates with B hydraulic fluid port; Hand pump leaves under valve position, and P hydraulic fluid port and A hydraulic fluid port are communicated with, T hydraulic fluid port and P ahydraulic fluid port is communicated with, B hydraulic fluid port and T bhydraulic fluid port communicates; Hand pump closes under valve position, and P mouth and B hydraulic fluid port are communicated with, T mouth and T bhydraulic fluid port connection, A hydraulic fluid port and P ahydraulic fluid port communicates; Under conducting valve position, P hydraulic fluid port, T hydraulic fluid port, A hydraulic fluid port and B hydraulic fluid port are all closed, P ahydraulic fluid port and T bhydraulic fluid port communicates.
As shown in Figure 2, the urgent hydraulic manual operational module described in the present embodiment includes integrated package 24, on integrated package 24 end faces, installs and is supported with hand pump operating grip 21 and hand pump pump seat 22 thereof; Described hand pump operation assembling parts is positioned at integrated package 24 in hand pump base 22, hand pump suction passage 25 and hand pump oil discharge passage 26;
As shown in Fig. 3-8, integrated package 24 left and right sides are provided with the oil hydraulic cylinder rodless cavity 132 of connection and the A hydraulic fluid port of rod chamber 131, B hydraulic fluid port; Bottom surface is provided with the P that connects A, two gas-liquid tanks of B ahydraulic fluid port, T bhydraulic fluid port; Spool 31, valve gap 32, valve seat 34 and the rotary valve operating grip 33 etc. of four six logical hydraulic reversing valves are installed above, the locking aperture 331 of corresponding rotary valve operating grip 33 is set on this valve gap, integrated package 4 is provided with below installs four screws 41 that support integrated package.Assembly relation between spool 31, valve gap 32, valve seat 34 and the rotary valve operating grip 33 of rotary valve is the notice general knowledge in rotary valve field, and the present embodiment is no longer described in detail.
3 of the spools of the rotary valve described in the present embodiment are integrated on integrated package, and the valve seat 34 of this rotary valve is cylindrical end face, are respectively equipped with P, the T hydraulic fluid port that leads to integrated package built-in hand-operated pump oil discharge passage 26, hand pump suction passage 25 and the P that leads to A, two gas-liquid tanks of B a, T bhydraulic fluid port, lead to A, the B hydraulic fluid port of oil hydraulic cylinder rodless cavity and rod chamber.The spool 31 of four six logical hydraulic reversing valves is the cylindrical of a nominal size and the same diameter of rotary valve valve seat, columniform spool 31 end faces have five not connected water conservancy diversion oil ducts 311, water conservancy diversion oil duct is set to vary in size, to mate with gas-liquid linked final controlling element operating conditions, four six logical hydraulic reversing valves are when " automatically " valve position locks, flow maximum, therefore, can realize and meet four six logical hydraulic reversing valves completely in " automatically ", " open ", the functional requirement of " pass " and " conducting " four valve position, and be provided with the radial and axial sealing of multiple tracks and pressure balance pod apertures 312 on the valve gap of four six logical hydraulic reversing valves.
Valve position locking, when four six logical hydraulic reversing valves are positioned at " automatically " valve position, the locking of rotary valve operating grip padlockable, and all can not insert in other three valve position, to guarantee to avoid occurring misoperation, as shown in Figure 2.

Claims (4)

1. the urgent hydraulic manual operational module for gas-liquid linked final controlling element, gas-liquid linked final controlling element critical piece comprises A gas-liquid tank, B gas-liquid tank and oil hydraulic cylinder, oil hydraulic cylinder form is single-piston-rod hydraulic cylinder, urgent hydraulic manual operational module is characterised in that: comprise hand pump and four six logical hydraulic reversing valves, these four six logical hydraulic reversing valves are provided with: for the P communicating with A gas-liquid tank ahydraulic fluid port, the T for communicating with B gas-liquid tank bhydraulic fluid port, for the A hydraulic fluid port that communicates with the rodless cavity of oil hydraulic cylinder and the B hydraulic fluid port for communicating with the rod chamber of oil hydraulic cylinder, and the P hydraulic fluid port communicating for the T hydraulic fluid port that communicates with described hand pump suction passage and hand pump oil discharge passage, four six described logical hydraulic reversing valves are provided with four kinds of valve position of mutually switching: valve position, hand pump close valve position automatically, hand pump leaves valve position and conducting valve position, wherein, automatically under valve position, T hydraulic fluid port and P hydraulic fluid port are closed, P ahydraulic fluid port is communicated with A hydraulic fluid port, T bhydraulic fluid port communicates with B hydraulic fluid port; Hand pump closes under valve position, and P hydraulic fluid port and A hydraulic fluid port are communicated with, T hydraulic fluid port and P ahydraulic fluid port is communicated with, B hydraulic fluid port and T bhydraulic fluid port communicates; Hand pump leaves under valve position, and P hydraulic fluid port and B hydraulic fluid port are communicated with, T hydraulic fluid port and T bhydraulic fluid port connection, A hydraulic fluid port and P ahydraulic fluid port communicates; Under conducting valve position, P hydraulic fluid port, T hydraulic fluid port, A hydraulic fluid port and B hydraulic fluid port are all closed, P ahydraulic fluid port and T bhydraulic fluid port communicates.
2. a kind of urgent hydraulic manual operational module for gas-liquid linked final controlling element according to claim 1, it is characterized in that: four six logical hydraulic reversing valves include spool, valve gap, valve seat and rotary valve operating grip, described valve seat is cylindrical end face, is respectively equipped with the P hydraulic fluid port and the T hydraulic fluid port that lead to hand pump oil discharge passage, hand pump oil suction oil duct on it; And lead to the P of A, two gas-liquid tanks of B a, T bhydraulic fluid port, lead to A, the B hydraulic fluid port of oil hydraulic cylinder rodless cavity and rod chamber.
3. a kind of urgent hydraulic manual operational module for gas-liquid linked final controlling element according to claim 2, it is characterized in that: the cylindrical structural that described spool and valve seat are same diameter, the end face of spool has five water conservancy diversion oil ducts not connected and that differ in size.
4. a kind of urgent hydraulic manual operational module for gas-liquid linked final controlling element according to claim 2, is characterized in that: described valve gap is provided with the pressure balance pod apertures that multiple tracks communicates with water conservancy diversion oil duct.
CN201410032673.5A 2014-01-23 2014-01-23 For the emergency hydraulic manual operation module of gas-liquid linkage actuator Active CN103727295B (en)

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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2505632Y (en) * 2001-04-29 2002-08-14 山东工程机械厂 Pilot-controlled multi-way reversing valve
CN2615367Y (en) * 2003-01-22 2004-05-12 扬州威斯特机电有限公司 Hand-operated pump
US20050005475A1 (en) * 2003-07-09 2005-01-13 Vanamburg Darryl Michael Hoverman
CN2692393Y (en) * 2004-01-18 2005-04-13 刘建 Manual electric dual purpase hydraulic driving device
CN102678678A (en) * 2012-05-29 2012-09-19 特福隆集团有限公司 Hydraulic emergency operation module
CN203686316U (en) * 2014-01-23 2014-07-02 特福隆集团有限公司 Emergency hydraulic manual operation module for pneumatic and hydraulic linkage actuator

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2505632Y (en) * 2001-04-29 2002-08-14 山东工程机械厂 Pilot-controlled multi-way reversing valve
CN2615367Y (en) * 2003-01-22 2004-05-12 扬州威斯特机电有限公司 Hand-operated pump
US20050005475A1 (en) * 2003-07-09 2005-01-13 Vanamburg Darryl Michael Hoverman
CN2692393Y (en) * 2004-01-18 2005-04-13 刘建 Manual electric dual purpase hydraulic driving device
CN102678678A (en) * 2012-05-29 2012-09-19 特福隆集团有限公司 Hydraulic emergency operation module
CN203686316U (en) * 2014-01-23 2014-07-02 特福隆集团有限公司 Emergency hydraulic manual operation module for pneumatic and hydraulic linkage actuator

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