Steam turbine with self-adjusting device

Abstract

The steam turbine with the self-adjusting device comprises an outer shell, the outer side of a screw rod is rotationally connected with the two sides of the outer shell through bearings, the outer side of the screw rod is in threaded connection with a sleeve, the bottom of the sleeve is attached to the lower portion of the inner side of the outer shell, the top of the sleeve is fixedly connected with a trapezoid block, and the trapezoid block is fixedly connected with the outer side of the screw rod. A trapezoidal plate fixed to the lower portion of the platform is attached to the top of the trapezoidal block, a straight cylinder fixed to the lower portion of the inner side of the shell is arranged on the front face of the screw rod, and a straight rod fixed to the lower portion of the platform is movably connected to the inner side of the straight cylinder. The utility model relates to the technical field of steam turbines, realizes the self-adjustment of the height of the steam turbine after installation through the matching among the screw rod, the sleeve and the trapezoidal block, can be adjusted according to the connection positions of other pipelines, and solves the problems that the existing steam turbine device is huge and heavy, and the height of the steam turbine is inconvenient to adjust subsequently after installation; and the connection of subsequent steam pipelines is further influenced.

Description

Technical Field

[0001] The utility model relates to the technical field of steam turbines, in particular to a steam turbine with a self-regulating device. Background Art

[0002] A steam turbine, also known as a steam turbine engine, is a rotary steam power device. High-temperature and high-pressure steam passes through a fixed nozzle and becomes an accelerated airflow, which is then sprayed onto the blades, causing the rotor with the blades to rotate and perform work externally. Steam turbines are the main equipment in modern thermal power plants and are also used in the metallurgical industry, chemical industry, and ship power devices.

[0003] The main structure of the existing steam turbine is composed of steam chamber, cylinder, turbine rotor, speed governor, shaft system, etc. The steam chamber is the combustion chamber of the steam turbine, which converts the heat energy generated by the combustion of fuel into steam; the cylinder is the channel for the steam to circulate in the steam turbine; the turbine rotor is the key component that converts steam into mechanical energy; the speed governor is a device that controls the speed and output power of the steam turbine; and the shaft system is the component that supports the rotation of the turbine rotor.

[0004] However, the existing steam turbine device is large and bulky, and it is not convenient to adjust the height of the steam turbine after installation, which in turn affects the subsequent connection of the steam pipeline. Utility Model Content

[0005] In view of the deficiencies of the prior art, the utility model provides a steam turbine with a self-adjusting device, which solves the problem that the existing steam turbine device is bulky and heavy, and it is inconvenient to adjust the height of the steam turbine after installation, which in turn affects the subsequent connection of the steam pipeline.

[0006] To achieve the above-mentioned purpose, the utility model is implemented through the following technical solutions: a steam turbine with a self-adjusting device, comprising a shell, a platform is arranged above the shell, a body is installed on the top of the platform, an adjusting mechanism is arranged on the inner side of the shell, the adjusting mechanism comprises a screw, a sleeve, a trapezoidal block, a trapezoidal plate, a straight rod and a straight cylinder, the outer side of the screw is rotatably connected to the two sides of the shell through a bearing, the outer side of the screw is threadedly connected to a sleeve, the bottom of the sleeve is fitted with the inner side of the shell at the bottom, the top of the sleeve is fixedly connected to a trapezoidal block, the top of the trapezoidal block is fitted with a trapezoidal plate fixed below the platform, the front side of the screw is provided with a straight cylinder fixed to the inner side of the shell at the bottom, and the inner side of the straight cylinder is movably connected to a straight rod fixed below the platform.

[0007] Preferably, a motor is fixedly connected to one side of the housing, and an output end of the motor is fixedly connected to one side of the screw rod.

[0008] Preferably, a steam inlet pipe is installed at the input end of the machine body, one side of the steam inlet pipe is fixedly connected to a steam pipe via a flange, and one side of the steam pipe is installed with an electric ball valve.

[0009] Preferably, a main shaft is installed on the other side of the body, a power generation mechanism is installed on one side of the main shaft, the bottom of the power generation mechanism is fixedly connected to the top of the platform, the outer side of the main shaft is rotatably connected with a protective shell through a bearing, the bottom of the protective shell is fixedly connected to the top of the platform, the top and side of the protective shell are respectively installed with a first filter and a second filter, a fan is installed on the inner side of the protective shell, a controller is installed on the outer side of the body, and a temperature sensor is installed on the inner side of the protective shell.

[0010] Preferably, a first gear is installed on the outer side of the main shaft, a second gear is meshed and connected to the outer side of the first gear, an encoder is fixedly connected to one side of the second gear, and the bottom of the encoder is fixedly connected to the top of the platform.

[0011] Beneficial Effects

[0012] The utility model provides a steam turbine with a self-adjusting device. The utility model has the following beneficial effects: the steam turbine with the self-adjusting device realizes the self-adjustment of the height of the steam turbine after installation through the cooperation between the screw, the sleeve and the trapezoidal block, and can be adjusted according to the connection position of other pipelines, thereby solving the problem that the existing steam turbine device is bulky and heavy, and it is not convenient to adjust the height of the steam turbine after installation, thereby affecting the connection of the subsequent steam pipeline.

[0013] Through the cooperation between the fan, the second gear and the encoder, the spindle speed and the temperature of the power generation mechanism are monitored. When the temperature is too high, it can be cooled down in time to avoid affecting the service life of internal parts due to high temperature. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the structure of the utility model;

[0015] Figure 2 This is a schematic diagram of the appearance of the utility model;

[0016] Figure 3 for Figure 1 Schematic diagram of the structure of the middle screw, sleeve and trapezoidal block;

[0017] Figure 4 for Figure 1 Schematic diagram of the structure of the fan, the second gear and the encoder.

[0018] In the figure: 1. shell, 2. platform, 3. body, 4. steam inlet pipe, 5. steam pipe, 6. electric ball valve, 7. main shaft, 8. power generation mechanism, 9. first filter, 10. fan, 11. second filter, 12. first gear, 13. second gear, 14. encoder, 15. motor, 16. screw, 17. sleeve, 18. trapezoidal block, 19. trapezoidal plate, 20. straight cylinder, 21. protective shell, 22. temperature sensor, 23. controller, 24. straight rod. DETAILED DESCRIPTION

[0019] 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.

[0020] The existing steam turbine device is large and bulky, and it is not convenient to adjust the height of the steam turbine after installation, which in turn affects the subsequent connection of the steam pipeline.

[0021] In view of this, a steam turbine with a self-adjusting device is provided. Through the cooperation between the screw, the sleeve and the trapezoidal block, the self-adjustment of the height of the steam turbine after installation is realized, and it can be adjusted according to the connection position of other pipelines, thereby solving the problem that the existing steam turbine device is large and bulky, and it is not convenient to adjust the height of the steam turbine after installation, which in turn affects the subsequent connection of the steam pipeline.

[0022] Through the personnel in this field, all the electrical components in this case are connected to their corresponding power supplies through wires, and appropriate controllers and encoders should be selected according to actual conditions to meet the control requirements. The specific connection and control sequence should refer to the following working principle, and the electrical connection between the electrical components is completed in the order of working in sequence. The detailed connection means are well-known technologies in this field. The following mainly introduces the working principles and processes, and no longer explains the electrical control.

[0023] Embodiment 1: Figure 1-3It can be seen that a steam turbine with a self-adjusting device includes a shell 1, a platform 2 is arranged above the shell 1, a body 3 is installed on the top of the platform 2, the body 3 is a component of the steam turbine, and the structure of the blades and the like inside the body 3 is specifically the prior art, which is not limited here. The inner side of the shell 1 is provided with an adjustment mechanism, which includes a screw 16, a sleeve 17, a trapezoidal block 18, a trapezoidal plate 19, a straight rod 24 and a straight cylinder 20. The outer side of the screw 16 is rotatably connected to both sides of the shell 1 through a bearing. The screw 16 can rotate through the bearing, the outer thread of the screw 16 is connected to a sleeve 17, the bottom of the sleeve 17 fits with the inner lower side of the shell 1, the top of the sleeve 17 is fixed with a trapezoidal block 18, the top of the trapezoidal block 18 fits with a trapezoidal plate 19 fixed below the platform 2, the front of the screw 16 is provided with a straight cylinder 20 fixed to the inner lower side of the shell 1, the inner side of the straight cylinder 20 is movably connected to a straight rod 24 fixed below the platform 2, and the straight rod 24 can move inside the straight cylinder 20;

[0024] In the specific implementation process, it is worth pointing out that the trapezoidal plate 19 can be driven to rise partially during the lateral movement of the trapezoidal block 18. Through the cooperation between the trapezoidal plate 19, the straight rod 24 and the straight cylinder 20, the self-adjustment of the height of the steam turbine after installation is realized, and the adjustment can be made according to the connection positions of other pipelines, thereby solving the problem that the existing steam turbine device is large and heavy, and it is not convenient to adjust the height of the steam turbine after installation, thereby affecting the connection of the subsequent steam pipeline.

[0025] Furthermore, a motor 15 is fixedly connected to one side of the housing 1. The model of the motor 15 is not limited. The output end of the motor 15 is fixedly connected to one side of the screw rod 16.

[0026] In the specific implementation process, it is worth pointing out that the motor 15 can drive the screw 16 to rotate, thus realizing electric drive;

[0027] Furthermore, a steam inlet pipe 4 is installed at the input end of the machine body 3, a steam pipe 5 is fixedly connected to one side of the steam inlet pipe 4 through a flange, and an electric ball valve 6 is installed on one side of the steam pipe 5. The model of the electric ball valve 6 is not limited;

[0028] In the specific implementation process, it is worth pointing out that the electric ball valve 6 can adjust the amount of steam entering;

[0029] Specifically, when using the steam turbine with the self-adjusting device, the user can start the motor 15 when he needs to adjust the height. After starting, the motor 15 can drive the screw 16 to rotate. When the screw 16 rotates, it can drive the sleeve 17 to move laterally. When the sleeve 17 moves, it can drive the upper trapezoidal block 18 to move laterally. When the trapezoidal block 18 moves, it can drive the trapezoidal plate 19 and the upper platform 2 to rise a certain distance, thereby realizing self-adjustment of the height of the machine body 3.

[0030] Embodiment 2: By Figure 1 , 2 As can be seen from Figure 4, a main shaft 7 is installed on the other side of the body 3, and a power generation mechanism 8 is installed on one side of the main shaft 7. The power generation mechanism 8 includes a generator and other structures, which are not specifically limited. The bottom of the power generation mechanism 8 is fixedly connected to the top of the platform 2, and the outer side of the main shaft 7 is rotatably connected to a protective shell 21 through a bearing. The main shaft 7 can rotate through the bearing, and the bottom of the protective shell 21 is fixedly connected to the top of the platform 2. The top and side of the protective shell 21 are respectively installed with a first filter 9 and a second filter 11, and a fan 10 is installed on the inside of the protective shell 21. A controller 23 is installed on the outside of the body 3, and the models of the temperature sensor 22 and the controller 23 are not limited. A temperature sensor 22 is installed on the inside of the protective shell 21;

[0031] In the specific implementation process, it is worth pointing out that the temperature sensor 22 can monitor the temperature change inside the protective shell 21. If the temperature exceeds the set value, a signal will be sent to the controller 23, and the controller 23 can control the fan 10 to start to speed up the heat dissipation.

[0032] Furthermore, a first gear 12 is installed on the outer side of the main shaft 7, and a second gear 13 is meshed and connected to the outer side of the first gear 12. An encoder 14 is fixedly connected to one side of the second gear 13, and the bottom of the encoder 14 is fixedly connected to the top of the platform 2;

[0033] In the specific implementation process, it is worth pointing out that the encoder 14 can monitor the rotation speed of the main shaft 7, wherein the number of teeth of the second gear 13 is preferably greater than the number of teeth of the first gear 12, and the rotation speed of the main shaft 7 is calculated according to the gear ratio and the rotation speed monitored by the encoder 14;

[0034] Specifically, based on the above-mentioned embodiment 1, the rotation speed of the main shaft 7 and the temperature of the power generation mechanism 8 are monitored through the cooperation between the fan 10, the second gear 13 and the encoder 14, and the temperature can be cooled down in time when the temperature is too high to avoid affecting the service life of internal parts due to high temperature.

[0035] 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. In the absence of further restrictions. The sentence "includes an element defined by ... does not exclude the existence of other identical elements in the process, method, article or device including the element".

[0036] In the present utility model, unless otherwise clearly stipulated and limited, the terms such as "installation", "setting", "connection", "fixation" and "screw-on" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integrated connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. Unless otherwise clearly defined, ordinary technicians in this field can understand the specific meanings of the above terms in the utility model according to the specific circumstances.

[0037] 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 steam turbine with a self-regulating device, comprising a casing (1), characterized in that: A platform (2) is arranged above the shell (1), an organism (3) is installed on the top of the platform (2), and an adjustment mechanism is arranged on the inner side of the shell (1); The adjusting mechanism comprises a screw rod (16), a sleeve (17), a trapezoidal block (18), a trapezoidal plate (19), a straight rod (24) and a straight cylinder (20); The outer side of the screw rod (16) is rotatably connected to both sides of the housing (1) via a bearing; the outer side of the screw rod (16) is threadedly connected to a sleeve (17); the bottom of the sleeve (17) is fitted with the inner lower side of the housing (1); the top of the sleeve (17) is fixedly connected to a trapezoidal block (18); the top of the trapezoidal block (18) is fitted with a trapezoidal plate (19) fixed below the platform (2); the front side of the screw rod (16) is provided with a straight tube (20) fixed to the inner lower side of the housing (1); the inner side of the straight tube (20) is movably connected to a straight rod (24) fixed below the platform (2).

2. A steam turbine with a self-regulating device according to claim 1, characterized in that: A motor (15) is fixedly connected to one side of the housing (1), and an output end of the motor (15) is fixedly connected to one side of a screw rod (16).

3. A steam turbine with a self-regulating device according to claim 1, characterized in that: A steam inlet pipe (4) is installed at the input end of the machine body (3), a steam pipe (5) is fixedly connected to one side of the steam inlet pipe (4) via a flange, and an electric ball valve (6) is installed on one side of the steam pipe (5).

4. A steam turbine with a self-regulating device according to claim 1, characterized in that: A main shaft (7) is installed on the other side of the body (3), a power generation mechanism (8) is installed on one side of the main shaft (7), the bottom of the power generation mechanism (8) is fixedly connected to the top of the platform (2), the outer side of the main shaft (7) is rotatably connected to a protective shell (21) via a bearing, the bottom of the protective shell (21) is fixedly connected to the top of the platform (2), the top and side of the protective shell (21) are respectively installed with a first filter screen (9) and a second filter screen (11), the inner side of the protective shell (21) is installed with a fan (10), the outer side of the body (3) is installed with a controller (23), and the inner side of the protective shell (21) is installed with a temperature sensor (22).

5. A steam turbine with a self-regulating device according to claim 4, characterized in that: A first gear (12) is installed on the outer side of the main shaft (7), a second gear (13) is meshed and connected to the outer side of the first gear (12), an encoder (14) is fixedly connected to one side of the second gear (13), and the bottom of the encoder (14) is fixedly connected to the top of the platform (2).

Images