Device and method for disassembling and assembling guide shoe on water turbine

Abstract

The invention provides a device and method for disassembling and assembling a guide shoe on a water turbine, and the device comprises a lifting mechanism which is relatively fixed together with the guide shoe in a selected manner and allows the guide shoe to move along the axial direction, and a supporting mechanism which abuts against a second metal ring and extends in the radial direction, the supporting mechanism is used for bearing the lifting mechanism and allowing the lifting mechanism to move along a path formed by the supporting mechanism so that the guide shoe located on the lifting mechanism can move in the radial direction. In this way, when the guide shoe is lifted, the supporting mechanism can be aligned with the guide shoe, and therefore the axial movement of the guide shoe is positioned. Therefore, the working intensity can be reduced, and the guide shoe is prevented from colliding with other parts of the water turbine.

Description

Technical Field

[0001] The invention relates to the technical field of disassembly and assembly of water turbine guide shoes, and in particular to a device and method for disassembly and assembly of water turbine guide shoes. Background Art

[0002] During the maintenance and repair of the turbine, it is generally necessary to disassemble and assemble the guide bushing. Figure 1 As shown, the turbine 10 generally includes a first metal ring 101 disposed within and flush with a horizontal plane 20, and a second metal ring 102 disposed within and extending upward from the first metal ring 101. The first metal ring 101 and the second metal ring 102 are used to form a chamber 104 for accommodating a guide shoe 103. The guide shoe 103 is also provided with two threaded holes 1031.

[0003] In the prior art, when the guide shoe 103 needs to be removed or installed, a worker typically uses a connector (not shown) to secure the guide shoe 1031 relative to the threaded hole 1031 and then lifts the connector. This removes the guide shoe 103 located within the chamber 104 from the turbine 10. To install the guide shoe 103, the reverse of the above steps is performed.

[0004] While this arrangement allows for the installation and removal of the guide shoe 103, it typically requires manual lifting, which is labor-intensive. Furthermore, due to the lack of accurate positioning of the lifting direction, this installation and removal method can easily result in a non-linear upward trajectory for the guide shoe 103. This can easily lead to collisions between the guide shoe 103 and other components of the turbine 103, causing damage to the guide shoe. Summary of the Invention

[0005] In view of the shortcomings of the prior art, the present invention provides a device and method for disassembling and assembling a guide shoe on a water turbine. To achieve the above-mentioned purpose, the present invention adopts the following technical solutions: A device for disassembling and assembling a guide shoe on a water turbine, the water turbine comprising a first metal ring arranged in a horizontal plane and flush with the horizontal plane, and a second metal ring arranged in the first metal ring and extending upward, the first metal ring and the second metal ring being used to jointly form a chamber for accommodating the guide shoe. The device includes a lifting mechanism that is fixed relative to the guide shoe in a selective manner and allows the guide shoe to move axially, and a support mechanism that abuts on the second metal ring and extends radially, wherein the support mechanism is used to carry the lifting mechanism and allow the lifting mechanism to move along the path formed by it, so that the guide shoe located in the lifting mechanism can move radially.

[0006] Furthermore, the support mechanism includes relatively arranged support rods, and a fixing portion arranged at the end of the support rods for fixing the relatively arranged support rods relative to each other; the lifting mechanism includes a limiting portion which abuts against the support rods and can move along the path formed by the support rods; a flexible portion which passes through the limiting portion and extends axially for being fixed relative to the guide shoe; and a retracting portion which is arranged on the limiting portion for retracting the flexible portion so that the guide shoe located on the flexible portion moves axially.

[0007] Furthermore, the limiting portion includes a guide block arranged between the support rods, and a moving block arranged on the guide block and abutting the support rods. A through hole is provided on the moving block and the guide block, and the through hole is used to form a channel through which the flexible portion passes.

[0008] Furthermore, two threaded holes are provided on the guide shoe, and a connecting part is provided at the free end of the flexible part. The connecting part includes a connecting rod fixed relative to the free end of the flexible part, and a connecting column located on the connecting rod and allowing it to cooperate with the threaded hole.

[0009] Furthermore, the retracting portion includes a driving portion arranged on the moving block, and a retracting wheel located at the force output end of the driving portion for retracting the flexible portion.

[0010] Furthermore, the device also includes a telescopic mechanism connected to the supporting mechanism and extending axially, and the free end of the telescopic mechanism is configured to allow abutment with a horizontal plane to support the supporting mechanism in an adjustable manner in the axial direction.

[0011] Furthermore, the telescopic mechanism includes a first rod body for abutting against a horizontal plane, a second rod body arranged in the first rod body and capable of moving along a path formed by the first rod body, and a locking portion arranged on the first rod body and capable of fixing the second rod body relative to the first rod body.

[0012] Furthermore, a receiving mechanism for receiving the telescopic mechanism is provided at the free end of the telescopic mechanism, and a universal wheel abutting against the horizontal plane is provided on the receiving mechanism so that the receiving mechanism can move circumferentially along the first metal ring on the horizontal plane.

[0013] Furthermore, the turbine also includes a third metal ring that abuts the radial inner side of the second metal ring and extends axially upward. A walking wheel is also provided at the free end of the support mechanism. The side surface of the walking wheel is configured to allow mutual abutment with the radial outer side of the third metal ring to position the movement path of the device during circumferential movement along the contour of the third metal ring.

[0014] According to a second aspect of the present invention, a method for disassembling and assembling a guide shoe using the device is provided, characterized in that it comprises the steps of: Step 1: Arrange the device: Place the device on a horizontal surface, open the locking portion, and apply an axial force to the second rod to adjust the axial length of the telescopic mechanism to the axial height of the second metal ring. Simultaneously, apply an axial force to the device to move the device on the horizontal surface until the side surface of the traveling wheel on the support mechanism and the radial outer side of the third metal ring abut against each other. Step 2: Aligning the guide shoe: Applying a force to the device in a circumferential direction causes the universal wheel to move circumferentially on a horizontal plane and the travel wheel to move circumferentially along the path formed by the third metal ring until the connecting portion and the guide shoe are aligned with each other; Step 3: Connect the guide shoe: insert the connecting post into the threaded hole and make the connecting post and the threaded hole engage with each other so that the connecting part and the guide shoe are relatively fixed together; Step 4, lifting the guide shoe: starting the driving part so that the driving part drives the receiving wheel to rotate, thereby causing the receiving wheel to retract the flexible part, thereby causing the guide shoe to move axially upward; Step 5: Move the guide shoe: Apply force to the limiting portion, so that the limiting portion moves along the path formed by the support rod until the guide shoe is transferred to the preset placement position; Step 6, moving the device: apply force to the device to make it move circumferentially until it reaches the position of the next guide shoe. At this time, repeat steps 3 to 5 above until the guide shoe is disassembled.

[0015] Compared with the prior art, the present invention has the following beneficial effects: The present invention provides a lifting mechanism selectively secured to the guide shoe and allowing axial movement of the guide shoe, and a radially extending support mechanism abutting a second metal ring. The support mechanism supports the lifting mechanism and allows movement along a path defined by the lifting mechanism, thereby enabling radial movement of the guide shoe within the lifting mechanism. This arrangement allows the support mechanism to align with the guide shoe during lifting, thereby positioning the guide shoe for axial movement. This reduces operational effort and prevents collisions between the guide shoe and other turbine components. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The present invention will be further described below with reference to the accompanying drawings and examples: Figure 1 This is a schematic diagram of the overall structure of a water turbine arranged in a horizontal plane in the prior art; Figure 2It is a schematic diagram of the overall structure of the hydraulic turbine in the prior art in cooperation with the horizontal plane from another perspective; Figure 3 It is a schematic diagram of the overall structure of a water turbine in the prior art; Figure 4 The overall structure of the device for disassembling and assembling the guide shoe on the turbine according to the embodiment of the present invention; Figure 5 It is a schematic diagram of the overall structure in which the limiting part, the flexible part, the support rod and the fixing part cooperate with each other in an embodiment of the present invention.

[0017] In the above drawings: turbine 10, first metal ring 101, second metal ring 102, guide shoe 103, threaded hole 1031, chamber 104, third metal ring 105, horizontal plane 20, device 100 for disassembling and assembling guide shoe on turbine, lifting mechanism 1, limiting part 11, guide block 111, moving block 112, through hole 113, flexible part 12, retracting part 13, driving part 131, storage wheel 132, connecting part 14, connecting rod 141, connecting column 142, supporting mechanism 2, support rod 21, fixing part 22, running wheel 23, telescopic mechanism 3, first rod body 31, second rod body 32, locking part 33, bolt 331, receiving mechanism 4, universal wheel 41. DETAILED DESCRIPTION

[0018] The technical solutions of the present invention are further described below with reference to the accompanying drawings and embodiments.

[0019] In order to better understand the purpose, structure and function of the present invention, the following further describes in detail a device and method for disassembling and assembling a guide shoe on a water turbine in conjunction with the accompanying drawings.

[0020] like Figure 1 、 2 As shown in Figures 3 and 4, the turbine 10 includes a first metal ring 101 disposed within and flush with a horizontal plane 20, and a second metal ring 102 disposed within and extending upward from the first metal ring 101. The first metal ring 101 and the second metal ring 102 together form a chamber 104 for accommodating a guide shoe 103. It should be noted that the structure of the turbine 10 and the connections between its various components are well known to those skilled in the art and will not be further described here.

[0021] Figure 4 The overall structure of the device for disassembling and assembling the guide shoe on the turbine according to the present invention is schematically shown. Figure 4In the illustrated embodiment, the device 100 for installing and removing a guide shoe on a water turbine includes a lifting mechanism 1. The lifting mechanism 1 is configured to selectively be secured relative to a guide shoe 103 and to apply an axial force to the guide shoe 103, thereby driving the guide shoe 103 to move axially. Specifically, the lifting mechanism 1 can cause the guide shoe 103 to rise and fall while applying the force.

[0022] At the same time, if Figure 4 As shown, the device 100 further includes a support mechanism 2. The support mechanism 2 abuts against the second metal ring 102 and extends radially, supporting the lifting mechanism 1 and allowing the lifting mechanism 1 to move along the path it defines. This enables radial movement of the guide shoe 103 located within the lifting mechanism 1. This allows the guide shoe 103 located on the horizontal surface 20 to be transferred into the chamber 104, or the guide shoe 103 located within the chamber 104 to be transferred onto the horizontal surface.

[0023] In this arrangement, when the guide shoe 103 needs to be installed or removed, the support mechanism 2 is first installed on the second metal ring 102 and radially extended. At the same time, the lifting mechanism 1 is installed on the support mechanism 2, and the end of the lifting mechanism 1 is aligned with the guide shoe 103.

[0024] At this time, the lifting mechanism 1 and the guide shoe 103 are fixed relative to each other, and the lifting mechanism 1 applies an axially upward force to the guide shoe 103. During this process, the force is transmitted to the guide shoe 103 and drives the guide shoe 103 to move axially upward until the guide shoe 103 is separated from the chamber 104.

[0025] Then, the force applied to the guide shoe 103 is stopped, and a radial force is applied to the lifting mechanism 1, causing the lifting mechanism 1 to move along the path formed by the support mechanism 2 until the guide shoe 103 is transferred to a suitable position on the horizontal surface 20. This completes the removal of the guide shoe 103 from the chamber 104. However, if it is necessary to install the guide shoe 103 located on the horizontal surface into the chamber 104, the above-described operation is reversed until the guide shoe 103 is transferred to a suitable position in the chamber 104.

[0026] In one embodiment, Figure 5 As shown, the support mechanism 2 includes support rods 21 disposed opposite to each other, and fixing portions 22 disposed at the ends of the support rods 21 for fixing the support rods 21 relative to each other. Simultaneously, the lifting mechanism 1 includes a limiting portion 11 configured to abut against the support rods 21 and capable of moving along a path formed by the support rods 21.

[0027] In addition, if Figure 5 As shown, the lifting mechanism 1 further includes a flexible portion 12 that passes through the limiting portion 11 and extends axially. The flexible portion 12 is used to be fixed relative to the guide shoe 103. In addition, the lifting mechanism 1 further includes a retracting portion 13 disposed on the limiting portion 11. The retracting portion 13 is configured to retract the flexible portion 12 to allow the guide shoe 103 located on the flexible portion 12 to move axially.

[0028] According to a preferred embodiment of the present invention, Figure 5 As shown, the limiting portion 11 includes a guide block 111 disposed between the support rods 21, and a moving block 112 disposed on the guide block 111 and abutting against the support rods 21. Specifically, the limiting portion 11 is constructed in a "T" shape.

[0029] In this manner, as the limiting portion 11 moves along the support rod 21, the guide block 111 can guide the movement of the limiting portion 11, while the moving block 112 can stably abut against the support rod 21, thereby preventing the limiting portion 11 from separating from the support rod 21. Thus, the limiting portion 11 can stably move along the path formed by the support rod 21. Furthermore, a through hole 113 is provided in the moving block 112 and the guide block 111. The through hole 113 extends axially through the flexible portion 12 to form a passageway.

[0030] In one embodiment, Figure 3 As shown, two threaded holes 1031 are also provided on the guide shoe 103. Figure 4 As shown, a connecting portion 14 is further provided at the free end of the flexible portion 12. The connecting portion 14 is configured to be relatively fixed to the guide shoe 103. In this embodiment, the connecting portion 14 includes a connecting rod 141 relatively fixed to the free end of the flexible portion 12, and a connecting column 142 located on the connecting rod 141. The connecting columns 142 are provided in pairs, and the relative distance between the two connecting columns 142 is equal to the distance between the two threaded holes 1031.

[0031] It should be noted that if Figure 4 As shown, the connecting column 142 is configured to allow mutual cooperation with the threaded hole 1031. Specifically, an external thread is provided on the connecting column 142 along its axial direction, and the external thread is enabled to engage with the threaded hole 1031.

[0032] In one embodiment, Figure 4As shown, the retracting portion 13 includes a driving portion 131 mounted on the movable block 112, and a retracting wheel 132 located at the force output end of the driving portion 131 for retracting the flexible portion 12. Specifically, the flexible portion 12 is wound around the retracting wheel 132. In this manner, the driving portion 131 can drive the retracting wheel 132 to rotate, thereby retracting or releasing the flexible portion 12. This allows the guide shoe 103 to move axially upward or downward.

[0033] In this arrangement, when the guide shoe 103 needs to be installed or removed, the support rods 21 are first positioned on the second metal ring 102 in a corresponding manner, and fixing portions 22 are provided at the ends of the support rods 21 to relatively fix the two corresponding support rods 21 together. At the same time, the limiting portions 11 are provided on the support rods 21, and the guide block 111 is positioned between the two support rods 21, while the moving block 112 abuts against the support rods 21.

[0034] At this point, the flexible portion 12 is inserted into the through hole 113, extending axially. Furthermore, the end of the flexible portion 12 is wrapped around the retracting wheel 132, and a connecting portion 14 is provided at the free end of the flexible portion 12. Next, the driving portion 131 is positioned on the moving block 112, with the free end of the driving portion 131 and the retracting wheel 132 connected to each other, enabling the driving portion 131 to drive the retracting wheel 132 to rotate, thereby retracting the flexible portion 12. This completes the configuration of the device 100.

[0035] Next, a force is applied to the device 100 along the circumferential direction, causing the support rod 21 to move along the circumferential direction on the second metal ring 102 until the connecting portion 14 on the support rod 21 and the guide shoe 103 are aligned with each other. At this time, the connecting column 142 is inserted into the threaded hole 1031, and the connecting column 142 and the threaded hole 1031 are fixed relative to each other.

[0036] Then, the driving unit 131 is activated. During this process, the driving unit 131 transmits a force along its output end to the receiving wheel 132, thereby driving the receiving wheel 132 to rotate, causing the flexible portion 12 located on the receiving wheel 132 to continuously wrap around the receiving wheel 132. During this process, as the axial length of the flexible portion 12 gradually decreases, it continuously applies a force to the guide shoe 103 located in the chamber 104, thereby driving the guide shoe 103 to move axially upward until the guide shoe 103 and the chamber 104 are separated from each other.

[0037] Finally, the driving unit 131 is closed, and a radial force is applied to the limiting unit 11, causing it to move along the path formed by the support rods 21 until the guide shoe 103 is transferred to a suitable position on the horizontal surface 20. This completes the removal of the guide shoe 103 from the chamber 104. However, if it is necessary to install the guide shoe 103, which is located on the horizontal surface, into the chamber 104, the reverse of the above process is performed until the guide shoe 103 is transferred to a suitable position in the chamber 104.

[0038] Wherein, the flexible portion 12 includes but is not limited to ropes such as steel wire ropes and nylon ropes. The driving portion 131 is configured as any structure that can drive the storage wheel 132 to rotate and allow the movement of the storage wheel 132 to be restricted after closing. In this embodiment, the driving portion 131 is configured as a combination of a motor and a reducer, and the storage wheel 132 is provided at the force output end of the reducer. It should be noted that the connection method between the motor and the reducer, and their working principles are well known to those skilled in the art. Therefore, they will not be described in detail here.

[0039] In one embodiment, Figure 4 As shown, the device 100 also includes a telescopic mechanism 3, which is configured to connect to the support mechanism 2 and extend axially. The free end of the telescopic mechanism 3 is configured to abut against the horizontal surface 20. In this manner, the telescopic mechanism 3 can support the support mechanism 2. Furthermore, the axial length of the telescopic mechanism 3 can be adjusted in a directionally appropriate to the desired support height. This improves the stability of the support mechanism 2.

[0040] In this embodiment, if Figure 4 As shown, the telescopic mechanism 3 includes a first rod 31 for contacting the horizontal plane 20, and a second rod 32 disposed within the first rod 31. The second rod 32 is configured to move along a path defined by the first rod 31. In this way, the axial length of the support mechanism 3 can be adjusted by adjusting the length of the second rod 32 within the first rod 31.

[0041] At the same time, if Figure 4 As shown, a locking portion 33 is further provided on the first rod 31. The locking portion 33 is configured to secure the second rod 32 relative to the first rod 31. In the illustrated embodiment, the locking portion 33 includes a bolt 331 that passes through the first rod 31 and is perpendicular to the axis of the first rod 31. In this embodiment, the bolt 331 is configured to be connected to the first rod 31 via threads.

[0042] In this manner, the bolt 331 can move in a direction perpendicular to the axis of the first rod 31 and, during this movement, abut against the second rod 32. This allows the bolt 331 to exert a radial force on the second rod 32. This allows the bolt 331 to position the second rod 32, thereby preventing the second rod 32 from continuously moving relative to the first rod 31.

[0043] In one embodiment, Figure 4 As shown, a receiving mechanism 4 is provided at the free end of the telescopic mechanism 3 to receive the telescopic mechanism 3. The receiving mechanism 4 is configured as a plate-like structure, with the telescopic mechanism 3 positioned at the center of the receiving mechanism 4. This aligns the centers of gravity of the telescopic mechanism 3 and the receiving mechanism 4, thereby increasing the stability of the telescopic mechanism 3 and preventing the device 100 from tipping over.

[0044] According to a preferred embodiment of the present invention, Figure 4 As shown, the receiving mechanism 4 is provided with a universal wheel 41, which is configured to allow mutual contact with a horizontal surface to drive the receiving mechanism 4 to move along the horizontal surface. In this way, when the receiving mechanism 4 is moved along the horizontal surface, the universal wheel 41 can change the sliding friction between the receiving mechanism 4 and the horizontal surface into rolling friction, thereby facilitating the movement of the receiving mechanism 4 on the horizontal surface.

[0045] In one embodiment, Figure 4 As shown, the turbine 10 further includes a third metal ring 105, which abuts the radially inner side of the second metal ring 102 and extends axially upward. Simultaneously, a running wheel 23 is provided at the free end of the support mechanism 2. The side of the running wheel 23 is configured to allow for mutual abutment with the radially outer side of the third metal ring 105. In this manner, when the side of the running wheel 23 abuts the radially outer side of the third metal ring 105 and the rim of the running wheel 23 abuts the second metal ring 102, the second metal ring 102 and the third metal ring 105 can position the device 100 both axially and radially.

[0046] At the same time, under this arrangement, when a force for circumferential movement is applied to the device 100, the universal wheel 41 can move circumferentially on a horizontal plane, while the running wheel 23 can move circumferentially while abutting against the second metal ring 102 and the third metal ring 105. This can reduce the friction generated by the circumferential movement of the device 100, thereby facilitating the movement of the device 100.

[0047] The operation of the device 100 for disassembling and assembling a guide shoe on a water turbine according to the present invention is as follows.

[0048] First, tighten bolt 331 to allow second rod 32 to move along the path defined by first rod 31 until the axial length of telescopic mechanism 3 reaches an appropriate value. Simultaneously, apply force to device 100 until the side surface of travel wheel 23 at the end of support mechanism 2 abuts the radially outer side of third metal ring 105, while the wheel rim abuts second metal ring 102. This completes the setup of device 100.

[0049] Next, a force is applied to the device 100 along the circumferential direction, causing the support mechanism 2 to move circumferentially on the second metal ring 102 until the connecting portion 14 on the support rod 21 and the guide shoe 103 are aligned with each other. At this point, the connecting column 142 is inserted into the threaded hole 1031, and the connecting column 142 and the threaded hole 1031 are fixed relative to each other.

[0050] Then, the driving unit 131 is activated. During this process, the driving unit 131 transmits a force along its output end to the receiving wheel 132, thereby driving the receiving wheel 132 to rotate, causing the flexible portion 12 located on the receiving wheel 132 to continuously wrap around the receiving wheel 132. During this process, as the axial length of the flexible portion 12 gradually decreases, it continuously applies a force to the guide shoe 103 located in the chamber 104, thereby driving the guide shoe 103 to move axially upward until the guide shoe 103 and the chamber 104 are separated from each other.

[0051] Finally, the drive unit 131 is closed, and a radial force is applied to the stopper 11, causing it to move along the path formed by the support rods 21 until the guide shoe 103 is transferred to a desired position on the horizontal surface 20. This completes the removal of the guide shoe 103 from the chamber 104. However, if the guide shoe 103, which is located on the horizontal surface, needs to be installed in the chamber 104, the reverse of the above process is performed until the guide shoe 103 is transferred to a desired position in the chamber 104. This completes the removal and installation of the guide shoe 103.

[0052] Example 2 Figure 1-5 A second embodiment of the present invention is also shown. In this embodiment, a method for disassembling and assembling a guide shoe using the device 100 is provided, which is characterized by comprising the steps of: Step 1: Arrange the device 100: Place the device 100 on a horizontal surface 20, open the locking portion 33, and apply an axial force to the second rod 32 to adapt the axial length of the telescopic mechanism 3 to the axial height of the second metal ring 102. Simultaneously, apply a force to the device 100 to move the device 100 on the horizontal surface until the side surface of the running wheel 23 on the support mechanism 2 and the radial outer side of the third metal ring 105 abut against each other, and the wheel rim abuts against the second metal ring 102. Step 2: Aligning the guide shoe 103: Applying a circumferential force to the device 100 causes the universal wheel 41 to move circumferentially on a horizontal plane and the running wheel 23 to move circumferentially along the path formed by the third metal ring 105 until the connecting portion 14 and the guide shoe 103 are aligned with each other; Step 3: Connect the guide shoe 103: Insert the connecting post 142 into the threaded hole 1031 and make the connecting post 142 and the threaded hole 1031 engage with each other to fix the connecting portion 14 and the guide shoe 103 relatively together; Step 4: Lifting the guide shoe 103: Starting the driving unit 131 so that the driving unit 131 drives the receiving wheel 132 to rotate, thereby causing the receiving wheel 132 to retract the flexible portion 12, thereby causing the guide shoe 103 to move axially upward; Step 5: Move the guide shoe 103: Apply force to the limiting portion 11, so that the limiting portion 11 moves along the path formed by the support rods 21 until the guide shoe is transferred to the preset placement position; Step 6, moving device 100: applying force to the device 100 so that the device 100 moves circumferentially until the device reaches the position of the next guide shoe 103, and then repeating the above steps 3 to 5 until the guide shoe is disassembled.

[0053] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention and are not limiting. Although the present invention has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical solutions of the present invention may be modified or replaced by equivalents without departing from the purpose and scope of the technical solutions of the present invention, which should all be included in the scope of the claims of the present invention.

Claims

1. A device for disassembling and assembling a guide shoe on a water turbine, the water turbine (10) comprising a first metal ring (101) arranged in a horizontal plane (20) and flush with the horizontal plane (20), and a second metal ring (102) arranged in the first metal ring (101) and extending upward, the first metal ring (101) and the second metal ring (102) being used to jointly form a chamber (104) for accommodating the guide shoe (103). It is characterized by: The device (100) includes a lifting mechanism (1) fixed relative to the guide shoe (103) in a selective manner and allowing the guide shoe (103) to move axially, and a support mechanism (2) abutting on the second metal ring (102) and extending radially, wherein the support mechanism (2) is used to carry the lifting mechanism (1) and allow the lifting mechanism (1) to move along the path formed by it, so that the guide shoe (103) located on the lifting mechanism (1) can move radially.

2. The device for disassembling and assembling the guide shoe on a water turbine according to claim 1, characterized in that: The support mechanism (2) includes support rods (21) arranged relatively to each other, and a fixing portion (22) arranged at the end of the support rod (21) for fixing the support rods (21) relatively to each other. The lifting mechanism (1) includes a limiting portion (11) which is in contact with the support rod (21) and can move along the path formed by the support rod (21), a flexible portion (12) which is inserted into the limiting portion (11) and extends axially to be fixed relatively to the guide shoe (103), and a retracting portion (13) which is arranged on the limiting portion (11) and is used to retract the flexible portion (12) so that the guide shoe (103) located on the flexible portion (12) moves axially.

3. The device for disassembling and assembling the guide shoe on a water turbine according to claim 2, characterized in that: The limiting portion (11) includes a guide block (111) arranged between the support rods (21), and a moving block (112) arranged on the guide block (111) and abutting against the support rods (21). A through hole (113) extending along the axial direction is provided on the moving block (112) and the guide block (111), and the through hole (113) is used to form a channel for the flexible portion (12) to pass through.

4. The device for disassembling and assembling the guide shoe on a water turbine according to claim 3, characterized in that: Two threaded holes (1031) are further provided on the guide shoe (103), and a connecting portion (14) is further provided at the free end of the flexible portion (12). The connecting portion (14) includes a connecting rod (141) fixed relative to the free end of the flexible portion (12), and a connecting column (142) located on the connecting rod (141) and allowing the connecting column (142) to cooperate with the threaded hole (1031).

5. The device for disassembling and assembling the guide shoe on a water turbine according to claim 4, characterized in that: The retracting portion (13) comprises a driving portion (131) arranged on the moving block (112), and a retracting wheel (132) located at the force output end of the driving portion (131) and used for retracting the flexible portion (12).

6. The device for disassembling and assembling the guide shoe on a water turbine according to any one of claims 1 to 5, characterized in that: The device (100) further comprises a telescopic mechanism (3) connected to the support mechanism (2) and extending in the axial direction, wherein the free end of the telescopic mechanism (3) is configured to allow abutment with the horizontal plane (20) to support the support mechanism (2) in an adjustable manner in the axial direction.

7. The device for disassembling and assembling the guide shoe on a water turbine according to claim 6, characterized in that: The telescopic mechanism (3) comprises a first rod (31) for contacting a horizontal plane (20), a second rod (32) disposed within the first rod (31) and capable of moving along a path formed by the first rod (31), and a locking portion (33) disposed on the first rod (31) and capable of fixing the second rod (32) relative to the first rod (31).

8. The device for disassembling and assembling the guide shoe on a water turbine according to claim 7, characterized in that: A receiving mechanism (4) for receiving the telescopic mechanism (3) is also provided at the free end of the telescopic mechanism (3), and a universal wheel (41) abutting against the horizontal plane (20) is provided on the receiving mechanism (4), so that the receiving mechanism (4) can move circumferentially along the first metal ring (101) on the horizontal plane (20).

9. The device for disassembling and assembling the guide shoe on a water turbine according to claim 8, characterized in that: The water turbine (10) further comprises a third metal ring (105) which abuts against the radial inner side of the second metal ring (102) and extends axially upward. A running wheel (23) is also provided at the free end of the support mechanism (2). The side surface of the running wheel (23) is configured to allow the running wheel (23) to abut against the radial outer side of the third metal ring (105) so as to position the movement path of the device (100) during the circumferential movement along the contour of the third metal ring (105).

10. A method for disassembling and assembling a guide shoe on a water turbine using the device for disassembling and assembling a guide shoe on a water turbine according to any one of claims 1 to 9, characterized in that: Including steps: Step 1, arranging the device (100): placing the device (100) on a horizontal plane (20), opening the locking portion (33), and applying an axial force to the second rod (32) so that the axial length of the telescopic mechanism (3) is adapted to the axial height of the second metal ring (102), and at the same time applying an action force to the device (100) so that the device (100) moves on the horizontal plane until the side surface of the traveling wheel (23) on the supporting mechanism (2) and the radial outer side of the third metal ring (105) abut against each other; Step 2, aligning the guide shoe (103): applying a force to the device (100) in a circumferential direction, so that the universal wheel (41) moves in a circumferential direction on a horizontal plane and the running wheel (23) moves in a circumferential direction along a path formed by the third metal ring (105), until the connecting portion (14) and the guide shoe (103) are aligned with each other; Step 3, connecting the guide shoe (103): inserting the connecting post (142) into the threaded hole (1031), and making the connecting post (142) and the threaded hole (1031) engage with each other, so that the connecting portion (14) and the guide shoe (103) are relatively fixed together; Step 4, lifting the guide shoe (103): starting the driving part (131), so that the driving part (131) drives the receiving wheel (132) to rotate, thereby causing the receiving wheel (132) to retract the flexible part (12), thereby causing the guide shoe (103) to move axially upward; Step 5, moving the guide shoe (103): applying a force to the limiting portion (11), so that the limiting portion (11) moves along the path formed by the support rod (21) until the guide shoe is transferred to a preset placement position; Step 6, moving the device (100): applying a force to the device (100) so that the device (100) moves circumferentially until the device reaches the position of the next guide shoe (103), and then repeating the above steps 3 to 5 until the guide shoe is completely disassembled.

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