Multifunctional sliding execution truss for tube bundle flushing

Abstract

The utility model relates to a multifunctional sliding execution truss for tube bundle washing, which comprises a supporting bottom plate sliding on a movable underframe along the z direction, operating platforms are arranged on two sides of one end of the movable underframe, a turnover pedal is arranged between the two operating platforms, and the turnover pedal is driven by a turnover component to turn over; the turnover pedal has at least two states: firstly, the turnover pedal is connected with the two operation platforms and is positioned on a moving path of the supporting bottom plate; secondly, the overturning pedal keeps away from the moving path of the supporting bottom plate; the operation platform is used for installing various devices and allowing workers to walk. During working, the overturning pedal is in an open state and does not interfere with the movement of the six-axis robot on the movable bottom frame; in the non-working process, in order to facilitate walking of workers on the operating platforms, the overturning pedals are in a closed state to connect the two operating platforms, and suspension caused by the moving underframe and the moving path of the six-axis robot on the moving underframe is avoided.

Description

Technical Field

[0001] The utility model relates to a multifunctional sliding execution truss for tube bundle flushing, belonging to the technical field of steam generator tube bundle flushing. Background Art

[0002] A steam generator is a device that converts a liquid into steam. It is widely used in the field of thermal energy, especially in industrial fields such as nuclear power stations and thermal power plants. It converts the thermal energy in a liquid (such as water) into steam energy to drive a generator or provide thermal energy.

[0003] A steam generator usually consists of a closed container and a series of heat exchange tube bundle assemblies. The liquid is heated in the container to raise its temperature and convert it into steam. In a nuclear power station, the thermal energy released in the nuclear reactor is transferred to the liquid coolant (usually water) through the tube bundle assembly of the reactor steam generator, causing it to boil and convert into steam. In a thermal power plant, a common method is to bring the high-temperature flue gas generated by combustion into contact with water through a heat exchanger to convert the water into steam.

[0004] Currently, for the existing steam generator tube bundles, the operations such as final flushing, drying, and inspection of cleanliness after hydraulic expansion are all completed manually, which is not only time-consuming and laborious, but also has poor cleaning effect and low cleaning efficiency, and poses a certain threat to the personal safety of operators. Therefore, a cleaning device is needed for automatic cleaning;

[0005] However, the moving direction of the existing cleaning devices is relatively single at present, resulting in a single function and being difficult to adapt to multiple tube bundles of the steam generator, resulting in a poor cleaning effect. Content of the Utility Model

[0006] In order to overcome the shortcomings of the existing tube bundle cleaning devices that cannot move in multiple directions, are time-consuming and laborious, and have poor cleaning effects, the utility model designs a multifunctional sliding execution truss for tube bundle flushing, which can move in three directions, and thus can adapt to cleaning at multiple positions, greatly improving the cleaning efficiency.

[0007] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0008] A multifunctional sliding execution truss for tube bundle flushing, comprising a three-axis sliding assembly, wherein the Z-axis sliding assembly in the three-axis sliding assembly includes:

[0009] A support bottom plate that slides in the z direction on a moving chassis. Operation platforms are arranged on both sides at one end of the moving chassis, and a flipping pedal is arranged between the two operation platforms. The flipping pedal is driven by a flipping assembly to flip;

[0010] The flipping pedal has at least two states:

[0011] In the first state, the flipping pedal connects the two operating platforms and is located on the moving path of the supporting bottom plate;

[0012] In the second state, the flipping pedal avoids the moving path of the supporting bottom plate.

[0013] Preferably, the flipping assembly includes a first telescopic assembly, and both ends of the first telescopic assembly are hinged and cooperated with the moving chassis and the flipping pedal respectively.

[0014] Preferably, the operating platform is made of a grille, a fence is arranged at the edge of the operating platform, and a ladder is arranged at the edge of the operating platform.

[0015] Preferably, the guardrail includes a fixed fence and a movable fence, and the movable fence is located in the moving direction of the supporting bottom plate.

[0016] Preferably, a six-axis robot is installed on the supporting bottom plate.

[0017] Preferably, the supporting bottom plate slides along the z direction on the moving chassis through a third slider-rail assembly, the transmission between the supporting bottom plate and the moving chassis is carried out through a third gear-rack assembly, and the third gear-rack assembly is driven by a third motor.

[0018] Preferably, the Y-axis sliding assembly in the three-axis sliding assembly includes:

[0019] A vertical truss, the moving chassis slides along the y direction on the vertical truss through a second slider-rail assembly; the transmission between the vertical truss and the moving chassis is carried out through a second gear-rack assembly, and the second gear-rack assembly is driven by a second motor.

[0020] Preferably, there are two groups of vertical trusses, and the upper ends of the two groups of vertical trusses are closed, and the moving chassis is arranged between the two groups of vertical trusses.

[0021] Preferably, the X-axis sliding assembly in the three-axis sliding assembly includes:

[0022] A chassis, a moving bottom plate is slidably connected along the x direction on the chassis through a first slider-rail assembly; the transmission between the moving bottom plate and the chassis is carried out through a first gear-rack assembly, and the first gear-rack assembly is driven by a first motor.

[0023] Preferably, the chassis is provided with a limiting member for limiting the moving range of the moving bottom plate.

[0024] Compared with the prior art, the utility model has the following characteristics and beneficial effects:

[0025] An operation platform is provided on the three-axis sliding assembly. The operation platform is used to install various devices and for the staff to walk on.

[0026] At the same time, the flip pedal has at least two states. During operation, the flip pedal is in the open state. At this time, the flip pedal will not interfere with the movement of the six-axis robot on the moving chassis.

[0027] When not in operation, in order to facilitate the staff to walk on the operation platform, the flip pedal is in the closed state to connect the two operation platforms, avoiding suspension caused by the movement path of the moving chassis and the six-axis robot thereon or stepping on the third slider rail assembly and the third gear rack assembly. Description of the Drawings

[0028] Figure 1 is a schematic diagram of the application occasion of the utility model;

[0029] Figure 2 is a three-dimensional schematic diagram of the utility model;

[0030] Figure 3 is a schematic diagram of the X-axis sliding assembly of the utility model;

[0031] Figure 4 is a partial schematic diagram of the X-axis sliding assembly of the utility model;

[0032] Figure 5 is a schematic diagram of the Y-axis sliding assembly of the utility model;

[0033] Figure 6 is a schematic diagram of the Z-axis sliding assembly of the utility model;

[0034] Figure 7 is a schematic diagram of the Z-axis sliding assembly of the utility model and its mating components.

[0035] Among them, the reference numerals are: 100, pipe fitting; 200, three-axis sliding assembly;

[0036] 201, X-axis sliding assembly; 2011, chassis; 2012, first slider rail assembly; 2013, moving bottom plate; 2015, limiting member; 2016, first gear rack assembly; 2017, first motor; 2018, first guide rail;

[0037] 202, Y-axis sliding assembly; 2021, vertical truss; 2022, second slider rail assembly; 2023, second gear rack assembly; 2024, moving chassis; 2025, second motor;

[0038] 203. Z-axis sliding assembly; 2031. Support base plate; 2032. Third motor; 2033. First telescopic assembly; 2034. Tipping pedal; 2035. Operation platform; 2036. Fixed fence; 2037. Movable fence; 2038. Ladder; 2039. Third gear-rack assembly; 400. Six-axis robot. Detailed implementation manners

[0039] The present utility model will be described in more detail below in conjunction with embodiments.

[0040] As Figures 1 to 7 shown:

[0041] As Figure 2 shown: The X-axis sliding assembly 201, the Y-axis sliding assembly 202 and the Z-axis sliding assembly 203 form a three-axis sliding assembly 200.

[0042] As Figure 3 , 4 shown, the chassis 2011 is fixed on the ground, the moving base plate 2013 is linearly slidably matched with the chassis 2011 along the x direction through the first slider-rail assembly 2012, a first motor 2017 is installed on the moving base plate 2013, a first gear-rack assembly 2016 is arranged between the moving base plate 2013 and the chassis 2011, and the first motor 2017 is connected to the gear in the first gear-rack assembly 2016, so that the first motor 2017 drives the moving base plate 2013 to move on the chassis 2011 through the first gear-rack assembly 2016. Limit members 2015 are arranged at both ends of the chassis 2011, and the moving base plate 2013 is prevented from detaching from the chassis 2011 through the limit members 2015.

[0043] As Figure 5 shown, two vertical trusses 2021 are fixed on the top wall of the moving base plate 2013, a cross frame is arranged between the upper ends of the two vertical trusses 2021 to achieve closure, and a moving chassis

[0044] 2024 is arranged between the two vertical trusses 2021. The moving chassis 2024 linearly extends outward along the z direction from between the two vertical trusses 2021. The moving chassis 2024 is linearly slidably matched with the vertical trusses 2021 along the y direction through the second slider-rail assembly 2022. A second motor 2025 is installed on the moving chassis 2024. A second gear-rack assembly 2023 is arranged between the moving chassis 2024 and the vertical trusses 2021. The second motor 2025 is connected to the gear in the second gear-rack assembly 2023, so that the second motor 2025 drives the moving chassis 2024 to move on the vertical trusses 2021 through the second gear-rack assembly 2023.

[0045] As Figure 6 , 7As shown, on the top of the moving chassis 2024, a support base plate 2031 is slidably connected in the z direction through a third slider-rail assembly (not marked / shown in the attached drawings). A third motor 2032 is installed on the support base plate 2031. A third gear-rack assembly 2039 is arranged between the support base plate 2031 and the moving chassis 2024. The third motor 2032 is connected to the gear in the third gear-rack assembly 2039. Thus, the third motor 2032 drives the support base plate 2031 to move on the moving chassis 2024 through the third gear-rack assembly 2039.

[0046] A six-axis robot 400 is installed on the top of the support base plate 2031. The flipping assembly includes a first telescopic assembly 2033. The two ends of the first telescopic assembly 2033 are respectively hinged to the moving chassis 2024 and the flipping pedal 2034.

[0047] On the opposite sides of the part of the moving chassis 2024 extending outside the two vertical trusses 2021, operation platforms 2035 are horizontally arranged. The operation platforms 2035 are made of gratings. Fixed fences 2036 and movable fences 2037 are arranged at the edges of the operation platforms 2035. The fences 2036 and the movable fences 2037 prevent the staff from falling off the operation platforms 2035. The staff climbs up and down through the ladder 2038 to enter and exit the operation platforms 2035. And other equipment is also installed on the operation platforms 2035.

[0048] As Figure 7 shown, it is in the non-working position. At this time, the support base plate 2031 and the six-axis robot 400 on its top are located between the two vertical trusses 2021. The first telescopic assembly 2033 is in the shortened state, making the flipping pedal 2034 in the horizontal state. At this time, the flipping pedal 2034 is above the moving chassis 2024 and connects the two groups of operation platforms 2035. The two groups of operation platforms 2035 are seamlessly connected by the horizontally placed flipping pedal 2034. At this time, the horizontally placed flipping pedal 2034 restricts the outward movement of the support base plate 2031.

[0049] Before the support base plate 2031 and the six-axis robot 400 on its top move away from the position between the two vertical trusses 2021 to the working position, the first telescopic assembly 2033 extends to drive the flipping pedal 2034 to rotate relative to the moving chassis 2024 and the operation platforms 2035 to open. At this time, the part between the two operation platforms 2035 is hollowed out. Thus, the support base plate 2031 and the six-axis robot 400 on its top can be driven to move outward to the working position. The six-axis robot 400 in the working position cooperates with other components to perform operations such as cleaning, drying, and marking on the pipe fitting 100.

[0050] The slider-rail assembly includes a slider and a rail that are linearly slidably engaged with each other. This is prior art and will not be elaborated here. The gear-rack assembly includes a gear and a rack that are meshed with each other. This is prior art and will not be elaborated here.

[0051] As Figure 6 , 7 shown, the movable fence 2037 is relatively located in the moving path direction of the six-axis robot 400. To increase the movement range of the six-axis robot 400, when the six-axis robot 400 moves to the working position, the movable fence 2037 is automatically opened by the corresponding opening and closing assembly. The movable fence 2037 is relatively linearly slidably / rotatably connected to the fixed fence 2036, and the opening and closing assembly can employ a telescopic cylinder or a rotary motor.

[0052] In the description of the present invention, it should be noted that the orientation or positional relationship indicated by terms such as "inner", "outer", "upper", etc. is based on the orientation or positional relationship shown in the drawings. It is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation. Therefore, it should not be construed as a limitation to the present invention.

[0053] In the description of the present invention, it should be noted that unless otherwise clearly specified and defined, the term "connection" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be the communication inside two elements. For those of ordinary skill in the art, the specific meaning of the above terms in the present invention can be understood according to specific circumstances.

[0054] Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.

Claims

1. A multi-functional sliding execution truss for tube bundle flushing, comprising a three-axis sliding assembly (200), characterized in that: The Z-axis sliding assembly (203) in the three-axis sliding assembly (200) includes: A support bottom plate (2031) that slides in the z-direction on a moving chassis (2024). Operation platforms (2035) are provided on both sides at one end of the moving chassis (2024). A flip pedal (2034) is provided between the two operation platforms (2035). The flip pedal (2034) is driven by a flip assembly to flip. The flip pedal (2034) has at least two states: In the first state, the flip pedal (2034) connects the two operation platforms (2035) and is located on the moving path of the support bottom plate (2031). In the second state, the flip pedal (2034) avoids the moving path of the support bottom plate (2031).

2. The multifunctional sliding execution truss for tube bundle flushing according to claim 1, wherein: The flip assembly includes a first telescopic assembly (2033). The two ends of the first telescopic assembly (2033) are respectively hinged and matched with the moving chassis (2024) and the flip pedal (2034).

3. A multi-functional sliding execution truss for tube bundle flushing according to claim 1, characterized in that: The operation platform (2035) is made of a grille. A fence is provided at the edge of the operation platform (2035), and a ladder (2038) is provided at the edge of the operation platform (2035).

4. The multifunctional sliding execution truss for tube bundle flushing according to claim 3, characterized in that: The guardrail includes a fixed fence (2036) and a movable fence (2037). The movable fence (2037) is located in the moving direction of the support bottom plate (2031).

5. A multifunctional sliding execution truss for tube bundle flushing according to claim 1, characterized in that: A six-axis robot (400) is installed on the support bottom plate (2031).

6. A multifunctional sliding execution truss for tube bundle flushing according to claim 1, characterized in that: The support bottom plate (2031) slides in the z-direction on the moving chassis (2024) through a third slider rail assembly. The support bottom plate (2031) and the moving chassis (2024) are driven by a third gear rack assembly (2039), and the third gear rack assembly (2039) is driven by a third motor (2032).

7. A multi-functional sliding execution truss for tube bundle flushing according to claim 1, characterized in that: The Y-axis sliding assembly (202) in the three-axis sliding assembly (200) includes: A vertical truss (2021). The moving chassis (2024) slides in the y-direction on the vertical truss (2021) through a second slider rail assembly (2022). The vertical truss (2021) and the moving chassis (2024) are driven by a second gear rack assembly (2023), and the second gear rack assembly (2023) is driven by a second motor (2025).

8. A multifunctional sliding execution truss for tube bundle flushing according to claim 7, characterized in that: There are two groups of the vertical trusses (2021), and the upper ends of the two groups of vertical trusses (2021) are closed. The moving chassis (2024) is arranged between the two groups of vertical trusses (2021).

9. A multi-functional sliding execution truss for tube bundle flushing according to claim 1, characterized in that: The X-axis sliding assembly (201) in the three-axis sliding assembly (200) includes: A chassis (2011). A moving bottom plate (2013) is slidably connected in the x-direction on the chassis (2011) through a first slider rail assembly (2012). The moving bottom plate (2013) and the chassis (2011) are driven by a first gear rack assembly (2016), and the first gear rack assembly (2016) is driven by a first motor (2017).

10. A multifunctional sliding execution truss for tube bundle flushing according to claim 9, characterized in that: The chassis (2011) is provided with a limiting member (2015) for limiting the movement range of the moving bottom plate (2013).

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