Fuel supply adjusting device for gas turbine

By introducing a lifting mechanism and a driving mechanism into the fuel supply adjustment device of the gas turbine, the height adjustment of the oil outlet pipe is achieved, and the problem of docking of gas turbines in different volumes is solved, and the oil supply accuracy and speed stability are improved.

CN222228689UActive Publication Date: 2024-12-24GUANGZHOU DEV AOTOU ENERGY STATION CO LTD
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Patent Information

Application Number
CN202421167001.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-05-27
Publication Date
2024-12-24
Estimated Expiration
2034-05-27

AI Technical Summary

Technical Problem

Due to the fixed height of the existing gas turbine fuel supply adjustment device, it cannot be connected to different volumes of gas turbines, affecting the oil supply accuracy and speed stability.

Method used

A fuel supply adjustment device including a lifting plate, a movable shaft, a gear and a driving mechanism is designed. The tooth plate and the gear are driven by a pneumatic cylinder to rotate, driving the movable shaft and a rotating rod, so as to raise the lifting plate and realize the height adjustment of the oil outlet pipe. , and adjust the support position of the oil outlet pipe through limiting plates, movable plates and bolts.

Benefits of technology

It improves the flexibility of the device and enables the oil outlet pipe to be connected to gas turbines of different volumes, which enhances the oil supply accuracy and speed stability.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of gas turbines, and discloses a fuel supply adjusting device for a gas turbine, which comprises a bottom plate, vertical rods are fixedly mounted at four corners of the top of the bottom plate, a cylinder is movably sleeved on the outer surface of each vertical rod, and a lifting plate is fixedly sleeved on the outer surface of each cylinder. By arranging the lifting plate, the movable shaft, the gear and the tooth plate, an operator can start the pneumatic cylinder to enable the connecting plate to drive the tooth plate to move leftwards, then the tooth plate can drive the gear to rotate, the gear can drive the movable shaft to rotate, and then the rotating rod can rotate; and therefore, a hinge rod can push a lifting plate to move upwards, an oil supply device body and a second valve can ascend, an oil outlet pipe can ascend, butt joint with gas turbines of different sizes can be achieved, and the use flexibility of the device is improved.
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Description

Technical Field

[0001] The utility model relates to the technical field of gas turbines, and more specifically, to a fuel supply regulating device for a gas turbine. Background Art

[0002] A gas turbine is an internal combustion power machine that uses a continuously flowing gas as a working fluid to drive the impeller to rotate at high speed, converting the energy of the fuel into useful work. A gas turbine is an advanced and complex set of power machinery equipment and a typical high-tech intensive product.

[0003] The fuel supply regulating device of a gas turbine is an important system component of the gas turbine, which ensures the continuous supply of fuel to the gas turbine. Although the existing fuel supply regulating device can supply and regulate the fuel of the gas turbine, due to the various specifications of the gas turbines, the volumes of the gas turbines are also different. When docking with gas turbines of different volumes, the height of the existing fuel supply regulating device is fixed, and the oil outlet pipe cannot be at the same height as the oil filling port of the gas turbine, which affects the oil supply accuracy of the gas turbine, thereby affecting the speed stability of the gas turbine, so it needs to be improved. Utility Model Content

[0004] In order to overcome the deficiencies of the prior art, the utility model provides a fuel supply regulating device for a gas turbine, which has the advantage of adjustable height.

[0005] To achieve the above object, the utility model provides the following technical solution: a fuel supply regulating device for a gas turbine, comprising:

[0006] A bottom plate, wherein the four corners of the top of the bottom plate are fixedly mounted with vertical rods, a cylinder is movably sleeved on the outer surface of the vertical rod, a lifting plate is fixedly sleeved on the outer surface of the cylinder, and the top and bottom of the outer surface of the vertical rod are fixedly sleeved with limit rings;

[0007] A lifting mechanism, wherein the lifting mechanism is arranged on the top of the bottom plate;

[0008] The lifting mechanism includes a mounting block, and there are two mounting blocks, both of which are fixedly mounted on the top of the bottom plate, a movable shaft is movably sleeved between the mounting blocks, and rotating rods are fixedly sleeved on both the front and rear sides of the outer surface of the movable shaft, and the top of the rotating rod is hinged with a hinge rod, and the top of the hinge rod is hinged with the bottom of the lifting plate, and the rotation of the rotating rod causes the hinge rod to push the lifting plate up, and a gear is fixedly sleeved on the middle of the outer surface of the movable shaft;

[0009] An oil supply device body, wherein the oil supply device body is fixedly mounted on the top of the lifting plate;

[0010] The driving mechanism is arranged in the middle of the upper surface of the bottom plate.

[0011] As a preferred technical solution of the utility model, the driving mechanism includes:

[0012] A pneumatic cylinder, wherein the pneumatic cylinder is fixedly mounted on the top of the bottom plate, a connecting plate is fixedly connected to the right end of the pneumatic cylinder, and the bottom of the connecting plate is movably connected to the top of the bottom plate;

[0013] The tooth plate has a bottom that is movably connected to the top of the base plate, a left end of the tooth plate that is fixedly connected to the right side of the connecting plate, and a top of the tooth plate that meshes with the outer surface of the gear.

[0014] As a preferred technical solution of the utility model, a first valve is fixedly sleeved on the left side of the top of the oil supply device body, a second valve is fixedly sleeved on the bottom right side of the oil supply device body, and an oil outlet pipe is fixedly installed on the right end of the second valve.

[0015] As an optimal technical solution of the utility model, a limit plate is fixedly installed on the right side of the lifting plate, a movable plate is movably sleeved between the limit plates, a support block is fixedly installed on the right side of the top of the movable plate, and the top of the support block is movably connected to the outer surface of the oil outlet pipe.

[0016] As a preferred technical solution of the utility model, a bracket is fixedly installed on the right side of the top of the movable plate, a bolt is sleeved on the internal thread of the top of the bracket, an upper clamping block is movably connected to the bottom end of the bolt, the lower surface of the upper clamping block is movably connected to the outer surface of the oil outlet pipe, and the outer surface of the upper clamping block is movably connected to the inner surface of the bracket.

[0017] As a preferred technical solution of the utility model, a clamping hole is opened inside the movable plate, a horizontal plate is fixedly installed on the right side of the bottom of the limiting plate, a mounting frame is fixedly installed on the bottom of the horizontal plate, a pull rod is movably sleeved inside the mounting frame, an insertion rod is fixedly connected to the top of the pull rod, and the top of the insertion rod passes through the horizontal plate and extends to the inside of the clamping hole and is movably sleeved with the inner surface of the clamping hole.

[0018] As a preferred technical solution of the utility model, a spring is fixedly connected to the bottom of the insertion rod, and the bottom end of the spring is fixedly connected to the bottom end of the inner surface of the installation frame.

[0019] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0020] 1. The utility model provides a lifting plate, a movable shaft, a gear and a tooth plate. The operator can start the pneumatic cylinder to make the connecting plate drive the tooth plate to move leftward, so that the tooth plate can drive the gear to rotate, so that the gear can drive the movable shaft to rotate, and then the rotating rod can rotate, so that the hinged rod can push the lifting plate to move upward, so that the oil supply device body and the second valve can rise, so that the oil outlet pipe can rise, so that it can be docked with gas turbines of different sizes, thereby improving the flexibility of the device.

[0021] 2. The utility model provides a limit plate, a movable plate, an upper clamping block and an insertion rod. The operator can rotate the bolts to make the upper clamping block cooperate with the support block to clamp and support the oil outlet pipe. The operator can pull the pull rod downward to make the insertion rod disengage from the inside of the clamping hole, thereby releasing the fixing effect on the movable plate, and then the movable plate can be pulled outward to adjust the supporting position of the oil outlet pipe. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 It is a schematic diagram of the structure of the utility model;

[0023] Figure 2 It is a schematic diagram of the cross-sectional structure of the front side of the utility model;

[0024] Figure 3 This is a schematic cross-sectional view of the gear of the utility model;

[0025] Figure 4 It is a cross-sectional structural schematic diagram of the vertical rod of the utility model;

[0026] Figure 5 for Figure 3 Schematic diagram of the local enlarged structure at point A in the middle.

[0027] In the figure: 1. bottom plate; 2. vertical rod; 3. cylinder; 4. lifting plate; 5. limit ring; 6. mounting block; 7. movable shaft; 8. rotating rod; 9. hinged rod; 10. gear; 11. pneumatic cylinder; 12. connecting plate; 13. tooth plate; 14. oil supply device body; 15. first valve; 16. second valve; 17. oil outlet pipe; 18. limit plate; 19. movable plate; 20. bracket; 21. supporting block; 22. bolt; 23. upper clamping block; 24. clamping hole; 25. horizontal plate; 26. mounting frame; 27. pull rod; 28. plug rod; 29. ​​spring. DETAILED DESCRIPTION

[0028] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0029] like Figures 1 to 5 As shown, the utility model provides a fuel supply regulating device for a gas turbine, comprising:

[0030] A bottom plate 1, vertical rods 2 are fixedly installed at the four corners of the top of the bottom plate 1, a cylinder 3 is movably sleeved on the outer surface of the vertical rod 2, a lifting plate 4 is fixedly sleeved on the outer surface of the cylinder 3, and a limiting ring 5 is fixedly sleeved on the top and bottom of the outer surface of the vertical rod 2;

[0031] A lifting mechanism, the lifting mechanism is arranged on the top of the bottom plate 1;

[0032] The lifting mechanism includes a mounting block 6, and there are two mounting blocks 6. Both mounting blocks 6 are fixedly mounted on the top of the bottom plate 1. A movable shaft 7 is movably sleeved between the mounting blocks 6. A rotating rod 8 is fixedly sleeved on both the front and rear sides of the outer surface of the movable shaft 7. The top of the rotating rod 8 is hinged with a hinge rod 9. The top of the hinge rod 9 is hinged with the bottom of the lifting plate 4. The rotation of the rotating rod 8 causes the hinge rod 9 to push the lifting plate 4 up. A gear 10 is fixedly sleeved in the middle of the outer surface of the movable shaft 7.

[0033] The oil supply device body 14 is fixedly mounted on the top of the lifting plate 4;

[0034] The driving mechanism is arranged in the middle of the upper surface of the base plate 1.

[0035] When the gear 10 rotates, it will drive the movable shaft 7 to rotate, so that the movable shaft 7 can drive the rotating rod 8 to rotate, and then the hinged rod 9 can push the lifting plate 4 to move upward. When the lifting plate 4 moves upward, it will drive the cylinder 3 to move upward along the outer surface of the vertical rod 2, so that the lifting plate 4 can move upward more stably. Due to the design of the limit ring 5, the limit ring 5 can limit the cylinder 3.

[0036] The driving mechanism includes:

[0037] A pneumatic cylinder 11, which is fixedly mounted on the top of the bottom plate 1, a connecting plate 12 is fixedly connected to the right end of the pneumatic cylinder 11, and a bottom of the connecting plate 12 is movably connected to the top of the bottom plate 1;

[0038] The tooth plate 13 has its bottom movably connected to the top of the base plate 1 , its left end fixedly connected to the right side of the connecting plate 12 , and its top meshes with the outer surface of the gear 10 .

[0039] The operator activates the pneumatic cylinder 11 so that the connecting plate 12 drives the tooth plate 13 to move leftward, thereby enabling the tooth plate 13 to drive the gear 10 to rotate.

[0040] A first valve 15 is fixedly sleeved on the left side of the top of the oil supply device body 14 , a second valve 16 is fixedly sleeved on the bottom of the right side of the oil supply device body 14 , and an oil outlet pipe 17 is fixedly installed on the right end of the second valve 16 .

[0041] The operator can start the second valve 16 to discharge the fuel in the fuel supply device body 14 through the second valve 16 and the fuel outlet pipe 17, thereby supplying fuel to the gas turbine.

[0042] Among them, a limit plate 18 is fixedly installed on the right side of the lifting plate 4, a movable plate 19 is movably sleeved between the limit plates 18, a support block 21 is fixedly installed on the right side of the top of the movable plate 19, and the top of the support block 21 is movably connected to the outer surface of the oil outlet pipe 17.

[0043] The operator can increase the overall length of the limiting plate 18 and the movable plate 19 by pulling the movable plate 19 outward.

[0044] Among them, a bracket 20 is fixedly installed on the right side of the top of the movable plate 19, and a bolt 22 is sleeved on the internal thread of the top of the bracket 20. The bottom end of the bolt 22 is movably connected to an upper clamping block 23. The lower surface of the upper clamping block 23 is movably connected to the outer surface of the oil outlet pipe 17, and the outer surface of the upper clamping block 23 is movably connected to the inner surface of the bracket 20.

[0045] The operator can rotate the bolt 22 so that the bolt 22 drives the upper clamping block 23 to move downward.

[0046] Among them, a card hole 24 is opened inside the movable plate 19, a horizontal plate 25 is fixedly installed on the right side of the bottom of the limiting plate 18, a mounting frame 26 is fixedly installed on the bottom of the horizontal plate 25, a pull rod 27 is movably sleeved inside the mounting frame 26, and an insertion rod 28 is fixedly connected to the top of the pull rod 27. The top of the insertion rod 28 passes through the horizontal plate 25 and extends to the inside of the card hole 24 and is movably sleeved with the inner surface of the card hole 24.

[0047] When the insertion rod 28 is located inside the clamping hole 24 , the movable plate 19 can be fixed.

[0048] The bottom of the insertion rod 28 is fixedly connected with a spring 29 , and the bottom end of the spring 29 is fixedly connected to the bottom end of the inner surface of the installation frame 26 .

[0049] By providing the spring 29 , the spring 29 can push the insertion rod 28 to move upward under the action of elastic force recovery.

[0050] The working principle and use process of this utility model:

[0051] The operator can add fuel to the inside of the oil supply device body 14 through the first valve 15, and then open the second valve 16 to allow the fuel to be discharged through the oil outlet pipe 17. When the oil outlet pipe 17 needs to be docked with the gas turbine, the pneumatic cylinder 11 can be started to make the connecting plate 12 drive the tooth plate 13 to move to the left. Since the gear 10 and the tooth plate 13 are meshed with each other, the tooth plate 13 can drive the gear 10 to rotate, and then the gear 10 can drive the movable shaft 7 to rotate, so that the rotating rod 8 can drive the hinge rod 9 to move, so that the hinge rod 9 can push the lifting plate 4 to rise, and then the cylinder 3 rises along the outer surface of the vertical rod 2, so that the lifting plate 4 can drive the oil supply device body 14 to rise stably, so that the oil outlet pipe 17 can be docked with the oil filling port of gas turbines of different sizes.

[0052] The operator can place the oil outlet pipe 17 on the upper surface of the support block 21, and rotate the bolt 22 to move the upper clamp block 23 downward, so that the upper clamp block 23 cooperates with the support block 21, so as to support and fix the oil outlet pipe 17. The operator pulls the pull rod 27 downward to make the insertion rod 28 disengage from the inside of the clamping hole 24, thereby releasing the fixing effect on the movable plate 19, and then pulls the movable plate 19 outward to adjust the position of the support block 21 and the upper clamp block 23, so as to adjust the position of the support for the oil outlet pipe 17, which is convenient for the operator to support the oil outlet pipes 17 of different lengths.

[0053] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0054] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A fuel supply regulating device for a gas turbine, characterized in that: Included are: A bottom plate (1), vertical rods (2) are fixedly mounted at the four corners of the top of the bottom plate (1), a cylinder (3) is movably sleeved on the outer surface of the vertical rod (2), a lifting plate (4) is fixedly sleeved on the outer surface of the cylinder (3), and a limiting ring (5) is fixedly sleeved on the top and bottom of the outer surface of the vertical rod (2); A lifting mechanism, the lifting mechanism being arranged on the top of the bottom plate (1); The lifting mechanism comprises a mounting block (6), wherein there are two mounting blocks (6), both mounting blocks (6) are fixedly mounted on the top of the bottom plate (1), a movable shaft (7) is movably sleeved between the mounting blocks (6), a rotating rod (8) is fixedly sleeved on both the front and rear sides of the outer surface of the movable shaft (7), a hinged rod (9) is hinged on the top of the rotating rod (8), the top of the hinged rod (9) is hinged to the bottom of the lifting plate (4), the rotation of the rotating rod (8) causes the hinged rod (9) to push the lifting plate (4) up, and a gear (10) is fixedly sleeved on the middle of the outer surface of the movable shaft (7); An oil supply device body (14), wherein the oil supply device body (14) is fixedly mounted on the top of the lifting plate (4); A driving mechanism is arranged in the middle of the upper surface of the base plate (1).

2. A fuel supply regulating device for a gas turbine according to claim 1, characterized in that: The driving mechanism comprises: A pneumatic cylinder (11), wherein the pneumatic cylinder (11) is fixedly mounted on the top of the base plate (1), the right end of the pneumatic cylinder (11) is fixedly connected to a connecting plate (12), and the bottom of the connecting plate (12) is movably connected to the top of the base plate (1); A tooth plate (13), wherein the bottom of the tooth plate (13) is movably connected to the top of the base plate (1), the left end of the tooth plate (13) is fixedly connected to the right side of the connecting plate (12), and the top of the tooth plate (13) is meshed with the outer surface of the gear (10).

3. A fuel supply regulating device for a gas turbine according to claim 1, characterized in that: A first valve (15) is fixedly sleeved on the left side of the top of the oil supply device body (14), a second valve (16) is fixedly sleeved on the bottom of the right side of the oil supply device body (14), and an oil outlet pipe (17) is fixedly installed on the right end of the second valve (16).

4. A fuel supply regulating device for a gas turbine according to claim 1, characterized in that: A limit plate (18) is fixedly mounted on the right side of the lifting plate (4), a movable plate (19) is movably sleeved between the limit plates (18), a support block (21) is fixedly mounted on the right side of the top of the movable plate (19), and the top of the support block (21) is movably connected to the outer surface of the oil outlet pipe (17).

5. A fuel supply regulating device for a gas turbine according to claim 4, characterized in that: A bracket (20) is fixedly installed on the right side of the top of the movable plate (19), and a bolt (22) is sleeved on the internal thread of the top of the bracket (20). The bottom end of the bolt (22) is movably connected to an upper clamping block (23), and the lower surface of the upper clamping block (23) is movably connected to the outer surface of the oil outlet pipe (17), and the outer surface of the upper clamping block (23) is movably connected to the inner surface of the bracket (20).

6. A fuel supply regulating device for a gas turbine according to claim 4, characterized in that: A locking hole (24) is provided inside the movable plate (19); a horizontal plate (25) is fixedly installed on the right side of the bottom of the limiting plate (18); a mounting frame (26) is fixedly installed on the bottom of the horizontal plate (25); a pull rod (27) is movably sleeved inside the mounting frame (26); an insertion rod (28) is fixedly connected to the top of the pull rod (27); the top of the insertion rod (28) passes through the horizontal plate (25) and extends to the inside of the locking hole (24) and is movably sleeved with the inner surface of the locking hole (24).

7. A fuel supply regulating device for a gas turbine according to claim 6, characterized in that: The bottom of the insertion rod (28) is fixedly connected to a spring (29), and the bottom end of the spring (29) is fixedly connected to the bottom end of the inner surface of the installation frame (26).

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