CN218347674U - Oil circuit integrated block of gas turbine hydraulic actuating mechanism - Google Patents
Oil circuit integrated block of gas turbine hydraulic actuating mechanism Download PDFInfo
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- CN218347674U CN218347674U CN202222886152.9U CN202222886152U CN218347674U CN 218347674 U CN218347674 U CN 218347674U CN 202222886152 U CN202222886152 U CN 202222886152U CN 218347674 U CN218347674 U CN 218347674U
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Abstract
The utility model relates to a gas turbine technical field especially relates to a gas turbine hydraulic actuator's oil circuit integrated package, including the integrated package, be equipped with on it: an oil inlet hole and an oil return hole which are connected with an oil inlet pipeline and an oil return pipeline of a pressure oil source; the first oil outlet hole and the second oil outlet hole are connected with a pressure and non-pressure cavity of the oil cylinder; the oil inlet hole of the servo valve is connected with the oil inlet of the servo valve and communicated with the oil inlet hole; the servo valve control oil outlet hole is connected with the control oil outlet of the servo valve and communicated with the first oil outlet hole; the servo valve oil return hole is connected with the oil return port of the servo valve and is simultaneously communicated with the oil return hole and the second oil outlet hole; the cartridge valve mounting hole is used for mounting the cartridge valve and simultaneously communicating the servo valve control oil outlet hole and the oil return hole; the control oil outlet of the electromagnetic valve is communicated with the cartridge valve mounting hole; and the electromagnetic valve oil return hole is connected with an oil return port of the electromagnetic valve and communicated with the oil return hole. The oil circuit of the hydraulic actuator is integrated into one integrated block.
Description
Technical Field
The utility model relates to a gas turbine technical field especially relates to a gas turbine hydraulic actuator's oil circuit integrated package.
Background
The fuel control valve of the gas turbine is driven by a hydraulic actuating mechanism, and the control and protection actions of the valve are realized by an electro-hydraulic servo system on the hydraulic actuating mechanism. In an electro-hydraulic servo system, complex pipelines are needed to connect various devices together so as to realize the control of electric signals on hydraulic oil. The piping connections require welding and a corresponding increase in the adapter interface to the interface of the different devices, which increases the likelihood of many leaks. Meanwhile, the pipeline connection is adopted, so that the great labor cost is increased, the pipeline is too sparsely arranged to occupy a large space, and the pipeline is too densely arranged to cause difficulty in later maintenance.
SUMMERY OF THE UTILITY MODEL
In view of the above-mentioned defect of the prior art, the to-be-solved technical problem of the utility model is to provide a gas turbine hydraulic actuator's oil circuit integrated package, oil leak, maintenance and the difficult scheduling problem of maintenance that can avoid the tube coupling to lead to.
In order to solve the technical problem, the utility model adopts the following technical scheme:
the utility model provides a gas turbine hydraulic actuator's oil circuit integrated package, including the integrated block, be equipped with on the integrated block: the oil inlet is connected with an oil inlet pipeline of a pressure oil source; the oil return hole is connected with an oil return pipeline of the pressure oil source; the first oil outlet is connected with a pressure cavity of the oil cylinder; the second oil outlet is connected with a non-pressure cavity of the oil cylinder, the pressure cavity and the non-pressure cavity are separated by a piston, and the piston is connected with a piston rod which extends out of the pressure cavity and is used for connecting a valve rod of the valve; the servo valve oil inlet hole is connected with an oil inlet of the servo valve and communicated with the oil inlet hole; the servo valve control oil outlet hole is connected with a control oil outlet of the servo valve and communicated with the first oil outlet hole; the servo valve oil return hole is connected with an oil return port of the servo valve and is communicated with the oil return hole and the second oil outlet hole; the cartridge valve mounting hole is used for mounting the cartridge valve and is simultaneously communicated with the servo valve control oil outlet hole and the oil return hole; the electromagnetic valve oil inlet hole is connected with an oil inlet of the electromagnetic valve, the electromagnetic valve oil inlet hole is communicated with the oil inlet hole, and a control oil outlet of the electromagnetic valve is communicated with the cartridge valve mounting hole; and the electromagnetic valve oil return hole is connected with an oil return port of the electromagnetic valve and communicated with the oil return hole.
Preferably, the servo valve control oil outlet hole is communicated with the first oil outlet hole and the cartridge valve mounting hole through a throttling hole at the same time, a throttling hole mounting hole used for mounting the throttling hole is formed in the integrated block body, the throttling hole mounting hole is communicated with the servo valve control oil outlet hole, and the throttling hole is communicated with the first oil outlet hole and the cartridge valve mounting hole at the same time.
Preferably, the integrated block body is provided with an oil inlet pressure measuring point connected with the oil inlet hole, an oil return pressure measuring point connected with the oil return hole, a first oil outlet pressure measuring point connected with the first oil outlet hole and a second oil outlet pressure measuring point connected with the second oil outlet hole.
Preferably, the oil inlet hole is communicated with the servo valve oil inlet hole and the solenoid valve oil inlet hole through a filter, a filter oil inlet hole connected with an oil inlet of the filter and a filter oil outlet hole connected with an oil outlet of the filter are formed in the integrated block, the filter oil inlet hole is communicated with the oil inlet hole, and the filter oil outlet hole is communicated with the servo valve oil inlet hole and the solenoid valve oil inlet hole.
Preferably, the integrated block body is provided with a filter pressure measuring point connected with the oil outlet of the filter.
Preferably, the integrated block body is provided with a fixing bolt hole for connecting with the oil cylinder.
Preferably, the integrated block body is provided with four fixing bolt holes, and the four fixing bolt holes are distributed on the same surface of the integrated block body in a trapezoidal shape.
Preferably, the integrated block body is provided with a hanging ring mounting hole for mounting a hanging ring.
Preferably, the integrated block is a cuboid or a cube having an upper surface, a lower surface, a left surface, a right surface, a front surface and a rear surface, the servo valve oil inlet hole, the servo valve control oil outlet hole, the servo valve oil return hole, the cartridge valve mounting hole, the solenoid valve oil inlet hole and the solenoid valve oil return hole are opened on the upper surface, the first oil outlet hole and the second oil outlet hole are opened on the lower surface, and the oil inlet hole and the oil return hole are opened on the front surface.
Compared with the prior art, the utility model discloses the progress that has showing:
the oil circuit integrated block of the gas turbine hydraulic actuating mechanism realizes the integration of the control oil circuit and the protection quick action oil circuit of the gas turbine hydraulic actuating mechanism into one integrated block body, integrates dispersed equipment, enables the pipeline arrangement to be more compact and effectively saves space; the integrated block is a whole, internal leakage caused by welding and connection does not exist, the problems of oil leakage, difficulty in maintenance and repair and the like caused by pipeline connection are avoided, and the integrated block has the advantages of low manufacturing cost and convenience in mass production. And, the utility model discloses an among gas turbine hydraulic actuator's the oil circuit integrated package, the protection return circuit intercommunication gas turbine hydraulic actuator's hydro-cylinder for among the protection action process, the control oil that has the pressure chamber to let out from the hydro-cylinder can provide partly closing force simultaneously, guarantees that gas turbine hydraulic actuator can realize turn-off protection, makes the protection return circuit reliable and stable.
Drawings
Fig. 1 is an outline schematic diagram of a viewing direction of an integrated block in an oil circuit integrated block of a hydraulic actuating mechanism of a gas turbine according to an embodiment of the present invention.
Fig. 2 is a schematic view of another view direction of the integrated block shown in fig. 1.
Fig. 3 is a schematic top surface view of the monolith shown in fig. 1.
Fig. 4 is a schematic view of the lower surface of the integrated block shown in fig. 1.
Fig. 5 is a schematic left surface view of the integrated block shown in fig. 1.
Fig. 6 is a schematic view of the right surface of the integrated block shown in fig. 1.
Fig. 7 is a schematic front surface view of the integrated block shown in fig. 1.
Fig. 8 is a rear surface schematic view of the integrated block shown in fig. 1.
Wherein the reference numerals are as follows:
1. oil inlet hole
2. Oil return hole
3. Oil inlet pressure measuring point
4. Oil return pressure measuring point
5. First oil outlet pressure measuring point
6. Second oil pressure measuring point
7. Mounting hole of cartridge valve
8. Oil inlet hole of servo valve
9. Fixing bolt hole
10. Hanging ring mounting hole
11. Oil inlet hole of filter
12. Oil outlet of filter
13. Pressure measuring point of filter
14. Orifice mounting hole
15. Oil return hole of servo valve
16. Servo valve control oil outlet hole
17. First oil outlet
18. Second oil outlet
19. Oil inlet hole of electromagnetic valve
20. Oil return hole of electromagnetic valve
Detailed Description
The following describes the embodiments of the present invention in further detail with reference to the attached drawings. These embodiments are provided only for illustrating the present invention and are not intended to limit the present invention.
In the description of the present invention, it should be noted that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
In addition, in the description of the present invention, "a plurality" means two or more unless otherwise specified.
As shown in fig. 1 to 8, the present invention provides an embodiment of an oil circuit manifold block of a hydraulic actuator of a gas turbine. In the figure, X, Y and Z form a three-dimensional coordinate system. The hydraulic actuating mechanism of the gas turbine comprises an oil cylinder, a pressure cavity and a non-pressure cavity are arranged in the oil cylinder, the pressure cavity and the non-pressure cavity are separated by a piston, the piston is connected with a piston rod which extends out of the pressure cavity and is used for being connected with a valve rod of the valve, the piston drives the piston rod to move by controlling oil to enter and exit from the pressure cavity, and the piston rod drives the valve rod connected with the piston rod to move, so that the valve is opened and closed.
Referring to fig. 1 to 4, the oil manifold block of the gas turbine hydraulic actuator of the present embodiment includes a block body, and the block body is preferably rectangular parallelepiped or square. The material of the integrated block is preferably metal, and stainless steel is the best. The hole is opened on the integrated block body to be used as an oil way, and the hydraulic oil way of the hydraulic actuating mechanism of the gas turbine is integrated inside the integrated block body according to the hydraulic principle to form the oil way inside the integrated block body, so that the structure is compact and the strength is better.
Specifically, the integrated block is provided with: the oil inlet hole 1, the oil return hole 2, the first oil outlet hole 17, the second oil outlet hole 18, the servo valve oil inlet hole 8, the servo valve control oil outlet hole 16, the servo valve oil return hole 15, the cartridge valve mounting hole 7, the solenoid valve oil inlet hole 19 and the solenoid valve oil return hole 20.
The oil inlet hole 1 is connected with an oil inlet pipeline of a pressure oil source, control oil provided by the pressure oil source is introduced into the oil inlet hole 1 through the oil inlet pipeline, and enters an internal oil way of the integrated block body through the oil inlet hole 1.
The oil return hole 2 is connected with an oil return pipeline of the pressure oil source, and return oil in an oil circuit inside the integrated block body flows out of the oil return hole 2 and returns to the pressure oil source through the oil return pipeline.
The first oil outlet 17 is connected with a pressure cavity of the oil cylinder, the second oil outlet 18 is connected with a non-pressure cavity of the oil cylinder, and the internal oil circuit of the integrated block is connected to the oil cylinder through the first oil outlet 17 and the second oil outlet 18.
The oil path in the integrated block is connected with a servo valve, a cartridge valve and an electromagnetic valve, and the servo valve, the cartridge valve and the electromagnetic valve are all installed on the outer surface of the integrated block. The servo valve, cartridge valve and solenoid valve are all conventional valve structures known to those skilled in the art that are capable of performing the following functions, respectively.
The servo valve is used for controlling the trend of control oil entering an oil path inside the integrated block body from the oil inlet hole 1 and realizing the outflow or backflow of the control oil at the first oil outlet hole 17, so that the oil is fed or discharged from the pressure cavity of the oil cylinder and the oil cylinder driving valve is opened or closed. The servo valve is provided with an oil inlet, a control oil outlet and an oil return port, and is provided with two working positions, wherein the oil inlet is communicated with the control oil outlet, and the oil return port is communicated with the control oil outlet.
The oil inlet hole 8 of the servo valve is connected with an oil inlet of the servo valve, and the oil inlet hole 8 of the servo valve is communicated with the oil inlet hole 1. The control oil entering the oil circuit inside the integrated block from the oil inlet hole 1 enters the oil inlet of the servo valve through the oil inlet hole 8 of the servo valve, and the trend of the control oil is controlled by the servo valve.
The servo valve control oil outlet hole 16 is connected with a control oil outlet of the servo valve, and the servo valve control oil outlet hole 16 is communicated with the first oil outlet hole 17. When the oil inlet of the servo valve is communicated with the control oil outlet of the servo valve, the control oil entering the oil inlet of the servo valve from the oil inlet hole 8 of the servo valve flows to the control oil outlet of the servo valve, enters the control oil outlet hole 16 of the servo valve and flows to the first oil outlet hole 17, and enters the pressure cavity of the oil cylinder to push the piston to do work, so that the valve is opened.
The servo valve oil return hole 15 is connected with an oil return port of the servo valve, and the servo valve oil return hole 15 is simultaneously communicated with the oil return hole 2 and the second oil outlet hole 18. When the oil return port of the servo valve is communicated with the control oil outlet of the servo valve, the pressure cavity of the oil cylinder is communicated with the oil return hole 2 through the first oil outlet hole 17, the control oil outlet of the servo valve, the oil return port of the servo valve and the oil return hole 15 of the servo valve, and as no oil pressure exists at the oil return hole 2, the control oil in the pressure cavity of the oil cylinder is squeezed to the oil return hole 2 by pressure and flows out of the pressure cavity of the oil cylinder, so that the piston reversely acts to close the valve.
The trend of the oil is controlled through the servo valve, and the oil cylinder driving valve is opened or closed.
The cartridge valve is used for realizing protection action. The cartridge valve is provided with an oil inlet, an oil outlet and a control port, when control oil is arranged at the control port of the cartridge valve to provide pressure, the oil inlet and the oil outlet of the cartridge valve are not communicated, and the cartridge valve is closed; when the control port of the cartridge valve is communicated with the oil return hole 2, the oil inlet of the cartridge valve is communicated with the oil outlet, and the cartridge valve is opened.
The cartridge valve mounting hole 7 is used for mounting a cartridge valve, the cartridge valve mounting hole 7 is communicated with the servo valve control oil outlet hole 16 and the oil return hole 2 at the same time, the cartridge valve is arranged on an oil path between the servo valve control oil outlet hole 16 and the oil return hole 2, an oil inlet of the cartridge valve is communicated with the servo valve control oil outlet hole 16, and an oil outlet and oil return hole 2 of the cartridge valve is communicated. When no protection action is performed, the cartridge valve is closed, an oil path between the servo valve control oil outlet hole 16 and the oil return hole 2 is cut off, the servo valve control oil outlet hole 16 is only communicated with the first oil outlet hole 17, namely, the oil path from a pressure cavity of the oil cylinder to the oil return hole 2 is cut off when the cartridge valve is closed, the pressure cavity of the oil cylinder is only connected with the servo valve control oil outlet hole 16, and at the moment, the trend of control oil is controlled through the servo valve, so that the oil cylinder driving valve can be opened or closed. When the protection action is activated, the cartridge valve is opened to communicate an oil path between the servo valve control oil outlet hole 16 and the oil return hole 2, so that the first oil outlet hole 17 is communicated with the oil return hole 2 through the servo valve control oil outlet hole 16 and the cartridge valve, namely, a pressure chamber of the oil cylinder is communicated with the oil return hole 2, and because no oil pressure exists at the oil return hole 2, the control oil flowing out from a control oil outlet of the servo valve and entering the servo valve control oil outlet hole 16 and the control oil in the pressure chamber of the oil cylinder flow to the oil return hole 2 under the action of the pressure, so that the pressure chamber of the oil cylinder cannot establish the oil pressure and cannot push the piston to do work, and the valve is turned off and kept closed. Because the protection loop is communicated with the oil cylinder of the gas turbine hydraulic actuating mechanism, the control oil discharged from the pressure cavity of the oil cylinder can provide a part of closing force simultaneously in the protection action process, the gas turbine hydraulic actuating mechanism can be ensured to realize turn-off protection, and the protection loop is stable and reliable.
The electromagnetic valve is used as a pilot valve of the cartridge valve and is used for controlling the opening and closing of the cartridge valve. The electromagnetic valve is provided with an oil inlet, a control oil outlet and an oil return port, and is provided with two working positions, wherein the oil inlet is communicated with the control oil outlet, and the oil return port is communicated with the control oil outlet.
The electromagnetic valve inlet port 19 is connected with the oil inlet of the electromagnetic valve, the electromagnetic valve inlet port 19 is communicated with the oil inlet 1, and the control oil entering the internal oil way of the integrated block from the oil inlet 1 is divided into two ways: one of the two flows to the oil inlet hole 8 of the servo valve and enters the oil inlet of the servo valve, and the other flows to the oil inlet hole 19 of the solenoid valve and enters the oil inlet of the solenoid valve. And a control oil outlet of the electromagnetic valve is communicated with the mounting hole 7 of the cartridge valve, and the control oil outlet of the electromagnetic valve is communicated to a control port of the cartridge valve. The electromagnetic valve oil return hole 20 is connected with an oil return opening of the electromagnetic valve, and the electromagnetic valve oil return hole 20 is communicated with the oil return hole 2.
When the oil inlet of the solenoid valve is communicated with the control oil outlet of the solenoid valve, the control oil entering the oil inlet of the solenoid valve from the oil inlet hole 19 of the solenoid valve flows to the control oil outlet of the solenoid valve and enters the control opening of the cartridge valve inserted in the mounting hole 7 of the cartridge valve to provide pressure for the cartridge valve so as to close the cartridge valve. When the oil return port of the solenoid valve is communicated with the control oil outlet of the solenoid valve, the control port of the cartridge valve in the mounting hole 7 of the cartridge valve is communicated with the oil return hole 2 through the control oil outlet of the solenoid valve, the oil return port of the solenoid valve and the oil return hole 20 of the solenoid valve, so that the cartridge valve is opened.
Therefore, the oil circuit integrated block of the gas turbine hydraulic actuating mechanism realizes the integration of the control oil circuit and the protection quick action oil circuit of the gas turbine hydraulic actuating mechanism into one integrated block body, and integrates dispersed equipment, so that the pipeline arrangement is tighter, and the space is effectively saved; the integrated block is a whole, does not have the inside leakage that welding and connection arouse, has avoided oil leak, maintenance and the maintenance difficulty scheduling problem that the pipe connection leads to, has low in manufacturing cost, makes things convenient for the advantage of volume production.
In this embodiment, it is preferable that an orifice is further provided in the oil passage inside the manifold block, and the servo valve control oil outlet hole 16 communicates with the first oil outlet hole 17 and the cartridge valve mounting hole 7 through the orifice. Referring to fig. 2 and 5, the integrated block body is provided with an orifice mounting hole 14 for mounting an orifice, the orifice mounting hole 14 is communicated with a servo valve control oil outlet hole 16, and the orifice is communicated with a first oil outlet hole 17 and the cartridge valve mounting hole 7. The control oil flowing out of the control oil outlet of the servo valve and entering the servo valve control oil outlet hole 16 firstly flows to the orifice mounting hole 14, and then flows through the orifice at the orifice mounting hole 14 and is divided into two paths: one path flows to the first oil outlet hole 17 and enters the pressure cavity of the oil cylinder, and the other path flows to the mounting hole 7 of the cartridge valve and enters the oil inlet of the cartridge valve.
Referring to fig. 1, fig. 6 and fig. 7, in this embodiment, preferably, four pressure measurement points are further disposed on the integrated block, which are an oil inlet pressure measurement point 3 connected to the oil inlet hole 1, an oil return pressure measurement point 4 connected to the oil return hole 2, a first oil outlet pressure measurement point 5 connected to the first oil outlet hole 17, and a second oil outlet pressure measurement point 6 connected to the second oil outlet hole 18, where the oil inlet pressure measurement point 3, the oil return pressure measurement point 4, the first oil outlet pressure measurement point 5, and the second oil outlet pressure measurement point 6 respectively monitor pressures at the oil inlet hole 1, the oil return hole 2, the first oil outlet hole 17, and the second oil outlet hole 18 in real time.
Through the arrangement of the pressure measuring point and the throttle hole, the pipeline pressure loss of the oil circuit in the integrated block can be determined by matching with a flowmeter during delivery test of the gas turbine hydraulic actuating mechanism. Through the pressure measuring point, the throttling hole and the pipeline pressure loss of the oil circuit inside the definite integrated block, the emergency shutoff function of the hydraulic actuating mechanism of the gas turbine can be tested on site, and the emergency shutoff function can be used for indicating the pipeline blockage and aging condition of the hydraulic actuating mechanism of the gas turbine. Therefore, the oil circuit manifold block of the gas turbine hydraulic actuator of the embodiment replaces a flowmeter with an integration mode of a pressure measuring point and an orifice, and realizes the functions of state indication, flow monitoring and resistance loss test of the oil circuit manifold block on the premise of not increasing the volume of the oil circuit manifold block.
In this embodiment, preferably, a filter is further connected to the oil path inside the integrated block, the filter has an oil inlet and an oil outlet, and the oil inlet 1 is simultaneously communicated with the oil inlet 8 of the servo valve and the oil inlet 19 of the solenoid valve through the filter. Referring to fig. 2 and 8, a filter oil inlet hole 11 and a filter oil outlet hole 12 are formed in the integrated block body, the filter oil inlet hole 11 is connected with an oil inlet of the filter, the filter oil outlet hole 12 is connected with an oil outlet of the filter, the filter oil inlet hole 11 is communicated with the oil inlet hole 1, and the filter oil outlet hole 12 is simultaneously communicated with the servo valve oil inlet hole 8 and the solenoid valve oil inlet hole 19. The control oil entering the oil circuit inside the integrated block from the oil inlet hole 1 firstly flows to the oil inlet hole 11 of the filter and then enters the oil inlet hole of the filter, after being filtered by the filter, flows out of the oil outlet hole of the filter and enters the oil outlet hole 12 of the filter, and then flows to the oil inlet hole 8 of the servo valve and the oil inlet hole 19 of the solenoid valve respectively in two paths from the oil outlet hole 12 of the filter. The control oil entering the internal oil way of the integrated block from the oil inlet 1 is filtered through the filter, the magazines with larger particles in the control oil are removed, and the blockage of the precise control equipment on the internal oil way of the integrated block can be avoided. Preferably, the integrated block is provided with a filter pressure measuring point 13 connected to the filter oil outlet 12 for real-time monitoring of the pressure at the filter oil outlet 12.
Referring to fig. 1 and 3, in the present embodiment, preferably, the integrated block is provided with fixing bolt holes 9, and the fixing bolt holes 9 are used for connecting with the oil cylinder to fix the integrated block on the oil cylinder. Preferably, be equipped with four fixing bolt holes 9 on the integrated block, four fixing bolt holes 9 are trapezoidal distribution on the same surface of integrated block, can avoid integrated block and hydro-cylinder erection joint dislocation.
Referring to fig. 1 and 6, in the present embodiment, preferably, the integrated block is provided with a hanging ring mounting hole 10, and the hanging ring mounting hole 10 is used for mounting a hanging ring so as to facilitate lifting and carrying the integrated block.
In this embodiment, it is preferred that the integrated block have mounting locations on its exterior surface for the necessary equipment (including servo valves, cartridges, solenoid valves and filters) to facilitate connection of each piece of equipment to a corresponding port on the integrated block. The connection of each equipment and the corresponding hole on the integrated block body adopts a threaded connection mode, the size of the hole diameter and the specification of the thread are determined according to the equipment to be installed, and the problems of equipment fixing and interface conversion on a pipeline do not need to be additionally considered.
In a preferred embodiment, referring to fig. 1 and 2, the integrated block is a rectangular or square block having an upper surface a, a lower surface B, a left surface C, a right surface D, a front surface E and a rear surface F.
Referring to fig. 3, a servo valve oil inlet hole 8, a servo valve control oil outlet hole 16, a servo valve oil return hole 15, a cartridge valve mounting hole 7, a solenoid valve oil inlet hole 19 and a solenoid valve oil return hole 20 are opened on the upper surface a of the integrated block, and the servo valve, the cartridge valve and the solenoid valve are all mounted on the upper surface a of the integrated block. The cartridge valve is installed in the cartridge valve installation hole 7, and the cartridge valve installation hole 7 is sealed by a cover plate of the cartridge valve. The electromagnetic valve is arranged on the cover plate of the cartridge valve, and the installation position of the electromagnetic valve corresponds to the positions of the electromagnetic valve oil inlet hole 19 and the electromagnetic valve oil return hole 20. The mounting position of the servo valve corresponds to the positions of the servo valve oil inlet hole 8, the servo valve control oil outlet hole 16 and the servo valve oil return hole 15, and the servo valve control oil outlet hole and the servo valve oil return hole are fixedly connected with the integrated block body through bolts. The servo valve and the electromagnetic valve are provided with O-shaped sealing rings. In addition, four fixing bolt holes 9 distributed in a trapezoidal shape are also opened on the upper surface a of the integrated block body.
Referring to fig. 4, the first oil outlet 17 and the second oil outlet 18 are formed on the lower surface B of the integrated block body and are respectively connected with a pressure chamber and a non-pressure chamber of the oil cylinder, and the connection part adopts a fluororubber O-ring to realize axial static sealing.
Referring to fig. 5, the orifice mounting hole 14 opens on the left face C of the integral block.
Referring to fig. 6, an oil inlet pressure measuring point 3, an oil return pressure measuring point 4, a second oil outlet pressure measuring point 6 and a hanging ring mounting hole 10 are formed on the right surface D of the integrated block body.
Referring to fig. 7, an oil inlet 1 and an oil return 2 are opened on the front surface E of the integrated block body, and are respectively connected with an oil inlet pipeline and an oil return pipeline of a pressure oil source, and the design pressure is 16MPa. Furthermore, a first oil discharge pressure measuring point 5 is also opened on the front surface E of the integrated block.
Referring to fig. 8, a filter oil inlet hole 11, a filter oil outlet hole 12, and a filter pressure measuring point 13 are opened on the rear surface F of the integrated block body, and the filter is installed on the rear surface F of the integrated block body at positions corresponding to the filter oil inlet hole 11 and the filter oil outlet hole 12.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and replacements can be made without departing from the technical principle of the present invention, and these modifications and replacements should also be regarded as the protection scope of the present invention.
Claims (9)
1. The utility model provides a gas turbine hydraulic actuator's oil circuit integrated package which characterized in that, includes the integrated block, be equipped with on the integrated block:
the oil inlet hole (1) is connected with an oil inlet pipeline of a pressure oil source;
the oil return hole (2) is connected with an oil return pipeline of a pressure oil source;
the first oil outlet (17) is connected with a pressure cavity of the oil cylinder;
the second oil outlet hole (18) is connected with a non-pressure cavity of the oil cylinder, the pressure cavity and the non-pressure cavity are separated by a piston, and the piston is connected with a piston rod which extends out of the pressure cavity and is used for connecting a valve rod of a valve;
the servo valve oil inlet hole (8) is connected with an oil inlet of the servo valve, and the servo valve oil inlet hole (8) is communicated with the oil inlet hole (1);
the servo valve control oil outlet hole (16) is connected with a control oil outlet of the servo valve, and the servo valve control oil outlet hole (16) is communicated with the first oil outlet hole (17);
the servo valve oil return hole (15) is connected with an oil return port of the servo valve, and the servo valve oil return hole (15) is communicated with the oil return hole (2) and the second oil outlet hole (18) simultaneously;
the cartridge valve mounting hole (7) is used for mounting a cartridge valve, and the cartridge valve mounting hole (7) is communicated with the servo valve control oil outlet hole (16) and the oil return hole (2) at the same time;
the electromagnetic valve oil inlet hole (19) is connected with an oil inlet of an electromagnetic valve, the electromagnetic valve oil inlet hole (19) is communicated with the oil inlet hole (1), and a control oil outlet of the electromagnetic valve is communicated with the cartridge valve mounting hole (7);
the electromagnetic valve oil return hole (20) is connected with an oil return port of the electromagnetic valve, and the electromagnetic valve oil return hole (20) is communicated with the oil return hole (2).
2. The oil circuit manifold block of a hydraulic actuator of a gas turbine according to claim 1, wherein the servo valve control oil outlet hole (16) is communicated with the first oil outlet hole (17) and the cartridge valve mounting hole (7) at the same time through an orifice, and an orifice mounting hole (14) for mounting the orifice is provided in the manifold block, the orifice mounting hole (14) is communicated with the servo valve control oil outlet hole (16), and the orifice is communicated with the first oil outlet hole (17) and the cartridge valve mounting hole (7) at the same time.
3. The oil circuit manifold block of the hydraulic actuating mechanism of the gas turbine as claimed in claim 1, wherein the manifold block is provided with an oil inlet pressure measuring point (3) connected with the oil inlet hole (1), an oil return pressure measuring point (4) connected with the oil return hole (2), a first oil outlet pressure measuring point (5) connected with the first oil outlet hole (17), and a second oil outlet pressure measuring point (6) connected with the second oil outlet hole (18).
4. The oil circuit manifold block of the hydraulic actuator of the gas turbine according to claim 1, wherein the oil inlet hole (1) is simultaneously communicated with the oil inlet hole (8) of the servo valve and the oil inlet hole (19) of the solenoid valve through a filter, the manifold block is provided with a filter oil inlet hole (11) connected with an oil inlet of the filter and a filter oil outlet hole (12) connected with an oil outlet of the filter, the filter oil inlet hole (11) is communicated with the oil inlet hole (1), and the filter oil outlet hole (12) is simultaneously communicated with the oil inlet hole (8) of the servo valve and the oil inlet hole (19) of the solenoid valve.
5. The oil circuit manifold block of the hydraulic actuator of the gas turbine as claimed in claim 4, wherein the manifold block is provided with a filter pressure measuring point (13) connected with the filter oil outlet hole (12).
6. The oil circuit manifold block of the gas turbine hydraulic actuator according to claim 1, characterized in that the manifold block is provided with a fixing bolt hole (9) for connecting with the oil cylinder.
7. The oil circuit manifold block of the hydraulic actuating mechanism of the gas turbine as claimed in claim 6, wherein the manifold block is provided with four fixing bolt holes (9), and the four fixing bolt holes (9) are distributed on the same surface of the manifold block in a trapezoidal shape.
8. The oil circuit manifold block of the hydraulic actuating mechanism of the gas turbine as claimed in claim 1, wherein the manifold block is provided with a lifting ring mounting hole (10) for mounting a lifting ring.
9. The oil circuit manifold block of the hydraulic actuator of the gas turbine according to claim 1, wherein the manifold block is a cuboid or a cube having an upper surface (a), a lower surface (B), a left surface (C), a right surface (D), a front surface (E), and a rear surface (F), the servo valve oil inlet hole (8), the servo valve control oil outlet hole (16), the servo valve oil return hole (15), the cartridge valve mounting hole (7), the solenoid valve oil inlet hole (19), and the solenoid valve oil return hole (20) are opened on the upper surface (a), the first oil outlet hole (17) and the second oil outlet hole (18) are opened on the lower surface (B), and the oil inlet hole (1) and the oil return hole (2) are opened on the front surface (E).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222886152.9U CN218347674U (en) | 2022-10-31 | 2022-10-31 | Oil circuit integrated block of gas turbine hydraulic actuating mechanism |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202222886152.9U CN218347674U (en) | 2022-10-31 | 2022-10-31 | Oil circuit integrated block of gas turbine hydraulic actuating mechanism |
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| CN218347674U true CN218347674U (en) | 2023-01-20 |
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