Radial self-compensation type sleeve sealing device

Abstract

The invention relates to the technical field of hydroelectric generation, in particular to a radial self-compensation type sleeve sealing device which comprises a water wheel power generation mechanism, a runner chamber, a water turbine arranged in the runner chamber, a guide vane part arranged between the runner chamber and the water turbine and a shaft diameter part arranged on the runner chamber. The support part is arranged on the runner chamber, and the cover body connecting part is arranged on the support part. According to the radial self-compensation type sleeve sealing device, the problem that gap self-compensation cannot be conducted on existing hydropower station sleeve sealing along with abrasion is solved, the two magnets of the same structure are adopted for providing sealing pre-tightening force for the friction head, once the friction head is abraded, the repellent magnets can pre-tighten the friction head again through magnetic force, and the sealing effect is good. Therefore, the sealing pre-tightening force is automatically compensated and changed along with abrasion of the friction head, and the problem of water leakage caused by the fact that a sealing gap is enlarged due to abrasion of the friction head in sleeve sealing is effectively solved.

Description

Technical Field

[0001] The invention relates to the technical field of hydropower generation, and in particular to a radial self-compensating sleeve sealing device. Background Art

[0002] For the main carrier of hydroelectric power generation, the water-guiding mechanism is the core energy regulating component, and its operating status directly affects the economic benefits of the power station. Many existing hydropower stations have experienced water leakage incidents caused by defects in the sleeve seal of the water-guiding mechanism, which has had a serious impact on the safety and operation of the power station. In addition, for the existing water-guiding mechanism sleeve sealing device, once a water leakage incident occurs, the entire sleeve sealing device needs to be replaced, the replacement cycle is long, and the material cost is high. Therefore, based on this situation, this patent designs a radial self-compensating sleeve sealing device to simplify the seal replacement process and improve the reliability of the sealing device. Summary of the invention

[0003] In view of the above problems existing in the existing radial self-compensating sleeve sealing device, the present invention is proposed.

[0004] Therefore, the object of the present invention is to provide a radial self-compensating sleeve sealing device, the purpose of which is to avoid the water leakage problem caused by the increase of the sealing gap due to the wear of the friction head of the sleeve seal.

[0005] In order to solve the above technical problems, the present invention provides the following technical solutions: comprising:

[0006] A water turbine power generation mechanism, comprising a runner chamber, a water turbine arranged in the runner chamber, a guide vane portion arranged between the runner chamber and the water turbine, an axial diameter portion arranged on the runner chamber, a bracket portion arranged on the runner chamber, and a cover body connecting portion arranged on the bracket portion;

[0007] The sealing mechanism includes a mounting portion arranged in the cover body connecting portion, a first magnet portion arranged on the mounting portion, a disassembly portion arranged on the mounting portion, a sliding portion arranged on the disassembly portion, a friction portion arranged on the disassembly portion, and a second magnet portion arranged on the sliding portion.

[0008] As a preferred solution of the radial self-compensating sleeve sealing device of the present invention, the guide vane portion includes a guide vane shaft disposed on the turbine and connected to the runner chamber, and a guide vane disposed on the guide vane shaft.

[0009] As a preferred solution of the radial self-compensating sleeve sealing device described in the present invention, the shaft diameter portion includes a shaft diameter mounting plate arranged on the impeller chamber, a shaft diameter mounting groove arranged on the shaft diameter mounting plate, and a shaft diameter arranged on the guide vane shaft and matched with the shaft diameter mounting groove.

[0010] As a preferred solution of the radial self-compensating sleeve sealing device of the present invention, the bracket part includes a bracket arranged on the runner chamber, a bearing seat arranged on the guide vane shaft, and a bolt connection frame arranged between the bracket and the bearing seat;

[0011] The cover body connecting part includes a cover body connecting ring arranged on the bearing seat, and a sealing seat arranged on the cover body connecting ring and connected to the shaft diameter mounting groove of the shaft diameter mounting plate.

[0012] As a preferred solution of the radial self-compensating sleeve sealing device of the present invention, the mounting portion includes a mounting frame arranged in the sealing seat and a first docking groove arranged on the mounting frame.

[0013] As a preferred solution of the radial self-compensating sleeve sealing device of the present invention, the first magnet part includes a first magnet arranged on the mounting frame and a first magnet cover arranged on the first magnet.

[0014] As a preferred solution of the radial self-compensating sleeve sealing device described in the present invention, the disassembly portion includes a disassembly ring, a second docking groove arranged on the disassembly ring, the second docking groove and the first docking groove are staggered, and a disassembly bolt is arranged between the disassembly ring and the mounting frame.

[0015] As a preferred solution of the radial self-compensating sleeve sealing device described in the present invention, the sliding part includes an outer ring sliding groove arranged on the disassembly ring, an inner ring sliding groove arranged on the disassembly ring, and a magnet sliding groove arranged in the outer ring sliding groove.

[0016] As a preferred solution of the radial self-compensating sleeve sealing device described in the present invention, the friction part includes a friction head arranged on the disassembly ring, an inner sliding ring arranged on the friction head and adapted to the inner ring sliding groove, an outer sliding ring arranged on the friction head and adapted to the outer ring sliding groove, and a limiting groove arranged on the outer sliding ring.

[0017] As a preferred solution of the radial self-compensating sleeve sealing device described in the present invention, the second magnet part includes a magnet sliding block arranged in the magnet sliding groove, a limit block arranged on the magnet sliding block and adapted to the limit slot, a second magnet arranged on the limit block, and a second magnet cover arranged on the second magnet.

[0018] The beneficial effects of the present invention are as follows: It solves the problem that the sleeve seal of the existing hydropower station cannot self-compensate for the gap as it wears. The present patent adopts two magnets with the same structure to provide a sealing pre-tightening force for the friction head. Once the friction head is worn, the repelling magnets can re-tighten the friction head through magnetic force, thereby realizing the automatic compensation change of the sealing pre-tightening force as the friction head wears, and effectively avoiding the problem of water leakage of the sleeve seal caused by the increase of the sealing gap due to the wear of the friction head.

[0019] When a hydropower station is undergoing unit maintenance or a sleeve leak requires replacement of the sealing device, generally the entire sealing device needs to be replaced. This device replaces the friction surface with a detachable friction head, which can save the cost of power station maintenance and maintenance materials. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following briefly introduces the drawings required for describing the embodiments. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work. Among them:

[0021] Figure 1 It is a schematic diagram of the overall structure of the radial self-compensating sleeve sealing device of the present invention.

[0022] Figure 2 The radial self-compensating sleeve sealing device of the present invention Figure 1 A local enlarged schematic diagram of point A in the middle.

[0023] Figure 3 It is a schematic structural diagram of the guide vane portion of the radial self-compensating sleeve sealing device of the present invention.

[0024] Figure 4 It is a schematic structural diagram of the shaft diameter portion of the radial self-compensating sleeve sealing device of the present invention.

[0025] Figure 5 It is a schematic structural diagram of the cover body connection portion of the radial self-compensating sleeve sealing device of the present invention.

[0026] Figure 6 It is a schematic structural diagram of the sealing seat of the radial self-compensating sleeve sealing device of the present invention.

[0027] Figure 7 The radial self-compensating sleeve sealing device of the present invention Figure 6 A local enlarged schematic diagram of point B in the middle.

[0028] Figure 8 It is a schematic structural diagram of the mounting frame of the radial self-compensating sleeve sealing device of the present invention.

[0029] Fig. 9The radial self-compensating sleeve sealing device of the present invention Figure 8 A partial enlarged schematic diagram of point C in the middle.

[0030] Fig.10 It is a schematic structural diagram of the disassembly portion of the radial self-compensating sleeve sealing device of the present invention.

[0031] Fig.11 The radial self-compensating sleeve sealing device of the present invention Fig.10 A local enlarged schematic diagram of point D in the middle.

[0032] Fig.12 It is a schematic structural diagram of the friction head of the radial self-compensating sleeve sealing device of the present invention.

[0033] Fig.13 The radial self-compensating sleeve sealing device of the present invention Fig.12 A partial enlarged schematic diagram of point E in the middle. DETAILED DESCRIPTION

[0034] In order to make the above-mentioned objects, features and advantages of the present invention more obvious and easy to understand, the specific implementation methods of the present invention are described in detail below in conjunction with the accompanying drawings.

[0035] In the following description, many specific details are set forth to facilitate a full understanding of the present invention, but the present invention may also be implemented in other ways different from those described herein, and those skilled in the art may make similar generalizations without violating the connotation of the present invention. Therefore, the present invention is not limited to the specific embodiments disclosed below.

[0036] Secondly, the term "one embodiment" or "embodiment" as used herein refers to a specific feature, structure, or characteristic that may be included in at least one implementation of the present invention. The term "in one embodiment" that appears in different places in this specification does not necessarily refer to the same embodiment, nor does it refer to a separate or selective embodiment that is mutually exclusive with other embodiments.

[0037] Secondly, the present invention is described in detail with reference to the schematic diagram. When describing the embodiments of the present invention in detail, for the sake of convenience, the cross-sectional diagrams showing the device structure will not be partially enlarged according to the general scale, and the schematic diagrams are only examples, which should not limit the scope of protection of the present invention. In addition, in actual production, the three-dimensional dimensions of length, width and depth should be included.

[0038] Example 1

[0039] Reference Figures 1 to 13 , which is the first embodiment of the present invention, provides a radial self-compensating sleeve sealing device, the device comprising:

[0040] The water turbine power generation mechanism 100 includes a runner chamber 101, a water turbine 102 disposed in the runner chamber 101, a guide vane portion 103 disposed between the runner chamber 101 and the water turbine 102, an axial diameter portion 104 disposed on the runner chamber 101, a bracket portion 105 disposed on the runner chamber 101, and a cover body connecting portion 106 disposed on the bracket portion 105;

[0041] The sealing mechanism 200 includes a mounting portion 201 disposed in the cover body connecting portion 106, a first magnet portion 202 disposed on the mounting portion 201, a disassembly portion 203 disposed on the mounting portion 201, a sliding portion 204 disposed on the disassembly portion 203, a friction portion 205 disposed on the disassembly portion 203, and a second magnet portion 206 disposed on the sliding portion 204.

[0042] During use, the bracket part 105 is disassembled, so that the bracket part 105, the cover connecting part 106, the mounting part 201, the disassembly part 203, and the friction part 205 are taken out. By disassembling the disassembly part 203, it is convenient to replace the disassembly part 203, which is easy to operate and saves the cost of power station inspection and maintenance materials;

[0043] When the friction part 205 is worn, the magnetic force between the first magnet part 202 and the second magnet part 206 pushes the second magnet part 206 to move, and the second magnet part 206 drives the friction part 205 to move along the sliding part 204. The friction part 205 moves and is in close contact with the shaft diameter part 104, thereby realizing automatic compensation change of the sealing preload force as the friction head wears, and effectively avoiding the water leakage problem caused by the increase of the sealing gap due to the wear of the friction part 205.

[0044] Example 2

[0045] Reference Figures 1 to 5 , which is the second embodiment of the present invention. This embodiment is different from the first embodiment in that: the guide vane part 103 includes a guide vane shaft 103a arranged on the turbine 102 and connected to the runner chamber 101, and a guide vane 103b arranged on the guide vane shaft 103a; wherein one end of the guide vane shaft 103a is rotatably arranged on the turbine 102 through a bearing, thereby ensuring the normal rotation of the guide vane shaft 103a; the guide vane 103b is fixedly arranged on the guide vane shaft 103a, and the water flow can drive the guide vane 103b to rotate the guide vane shaft 103a, thereby ensuring the normal operation of the device.

[0046] Furthermore, when the turbine generator set of the hydropower station operates normally, the load can be adjusted by changing the opening of the guide vane 103b. The guide vane 103b is usually wrapped by the water flow in the flow channel. In order to prevent the water flow in the flow channel from leaking, a sleeve sealing device needs to be designed.

[0047] The shaft diameter portion 104 includes a shaft diameter mounting plate 104a arranged on the impeller chamber 101, a shaft diameter mounting groove 104b arranged on the shaft diameter mounting plate 104a, and a shaft diameter 104c arranged on the guide vane shaft 103a and adapted to the shaft diameter mounting groove 104b; wherein, the shaft diameter mounting plate 104a is fixedly arranged on the impeller chamber 101; the shaft diameter mounting groove 104b is arranged on the outer side of the shaft diameter mounting plate 104a, the shaft diameter 104c is slidably connected to the shaft diameter mounting groove 104b, and the guide vane shaft 103a and the shaft diameter mounting plate 104a are rotatably connected via a bearing.

[0048] The bracket portion 105 includes a bracket 105a arranged on the impeller chamber 101, a bearing seat 105b arranged on the guide vane shaft 103a, and a bolt connecting frame 105c arranged between the bracket 105a and the bearing seat 105b; wherein, the bracket 105a is fixedly arranged on the outside of the impeller chamber 101 to provide support for the bearing seat 105b, the guide vane shaft 103a is rotatably arranged on the bearing seat 105b through a bearing, and the bolt connecting frame 105c is used to install and fix the bearing seat 105b, so that the bearing seat 105b is connected to the bracket 105a, thereby ensuring the stability of the bearing seat 105b.

[0049] The cover body connecting portion 106 includes a cover body connecting ring 106a arranged on the bearing seat 105b, and a sealing seat 106b arranged on the cover body connecting ring 106a and connected to the shaft diameter mounting plate 104a; wherein the cover body connecting ring 106a is fixedly arranged on the bearing seat 105b, and is used to connect the bearing seat 105b and the sealing seat 106b to protect the guide vane shaft 103a; one side of the sealing seat 106b is fixedly connected to the cover body connecting ring 106a, and the other side is in close contact with the shaft diameter mounting plate 104a, thereby protecting the sealing mechanism 200 and providing space for the installation of the sealing mechanism 200.

[0050] Furthermore, the sealing seat 106b is a stationary component. To prevent water in the flow channel from leaking along the sealing seat 106b, a sealing mechanism 200 is designed between the sealing seat 106b and the guide vane shaft 103a.

[0051] The remaining structures are the same as those of Example 1.

[0052] During use, the guide vane shaft 103a rotates to drive the shaft diameter 104c to rotate. The friction between the shaft diameter 104c and the friction part 205 causes the friction part 205 to wear, increasing the gap between the shaft diameter 104c and the friction part 205. The magnetic force between the first magnet part 202 and the second magnet part 206 pushes the friction part 205 to always be in close contact with the shaft diameter 104c, thereby ensuring the sealing effect of the device.

[0053] When the friction part 205 needs to be replaced, the bolts on the bolt connection frame 105c are removed, the bearing seat 105b is taken out, the bearing seat 105b drives the cover connecting ring 106a to remove the sealing seat 106b, and the sealing seat 106b drives the mounting part 201 to take out the friction part 205 for replacement.

[0054] Example 3

[0055] Reference Figures 5 to 13 , which is the third embodiment of the present invention. This embodiment is different from the second embodiment in that: the mounting portion 201 includes a mounting frame 201a arranged in the sealing seat 106b, a first docking groove 201b arranged on the mounting frame 201a, and the mounting frame 201a is U-shaped; wherein, the mounting frame 201a is used to support the entire sealing mechanism 200, the mounting frame 201a is arranged in an annular shape as a whole, and the cross-section of the mounting frame 201a is U-shaped, which increases the contact area between the sealing seat 106b and the stability of the mounting frame 201a, and the outer ring of the mounting frame 201a is longer and the inner ring is shorter. The design of the inner ring provides space for the installation of the disassembly portion 203, and the inner ring and the outer ring of the mounting frame 201a provide space for the installation of the first magnet portion 202 and the second magnet portion 206; the first docking groove 201b is annular in design, and is provided with a plurality of them, and is staggered in a tooth-like shape, which is not only for the installation of the disassembly portion 203, but also ensures the seal between the disassembly portion 203.

[0056] The first magnet part 202 includes a first magnet 202a arranged on the mounting frame 201a, and a first magnet cover 202b arranged on the first magnet 202a; wherein, the first magnet 202a is fixedly arranged on the mounting frame 201a, and is located inside the U-shaped space of the mounting frame 201a; the first magnet 202a is a permanent magnet to ensure the magnetic strength of the magnet, and the first magnet cover 202b is made of plastic material to protect the first magnet 202a and prevent the first magnet cover 202b from isolating the magnetism of the first magnet 202a.

[0057] The disassembly portion 203 includes a disassembly ring 203a, a second docking groove 203b arranged on the disassembly ring 203a, the second docking groove 203b and the first docking groove 201b are arranged alternately, and a disassembly bolt 203c is arranged between the disassembly ring 203a and the mounting frame 201a; wherein the disassembly ring 203a is designed in an annular shape, and the thickness is the same as the inner ring of the mounting frame 201a, so as to ensure the sealing of the device after installation; the second docking groove 203b is designed in an annular shape, and is provided with a plurality of them, and is arranged alternately in a tooth-like shape, and the second docking groove 203b is provided with a plurality of second docking grooves 203b and the second docking groove 203c is provided between the disassembly ring 203a and the mounting frame 201a; The groove 203b and the first docking groove 201b are arranged alternately, so that the disassembly ring 203a can be spliced ​​with the mounting frame 201a, while ensuring the sealing effect of the docking seam, which can effectively avoid the possibility of leakage at this position; the disassembly ring 203a and the mounting frame 201a are fixed by disassembly bolts 203c, so that the disassembly ring 203a can be easily disassembled and replaced. Once it is found that the friction part 205 is heavily worn or leaking, the friction part 205 can be disassembled and replaced, avoiding the replacement of the entire sealing device and saving the cost of inspection and maintenance materials for the power station.

[0058] The sliding portion 204 includes an outer ring sliding groove 204a arranged on the disassembly ring 203a, an inner ring sliding groove 204b arranged on the disassembly ring 203a, and a magnet sliding groove 204c arranged in the outer ring sliding groove 204a; wherein, the outer ring sliding groove 204a is opened on the outer ring of the disassembly ring 203a and is designed in an annular shape, the inner ring sliding groove 204b is opened on the inner ring of the disassembly ring 203a and is designed in an annular shape, and the magnet sliding groove 204c is arranged in the outer ring sliding groove 204a, and a plurality of magnet sliding grooves 204c are arranged.

[0059] The friction part 205 includes a friction head 205a arranged on the disassembly ring 203a, an inner sliding ring 205b arranged on the friction head 205a and matched with the inner ring sliding groove 204b, an outer sliding ring 205c arranged on the friction head 205a and matched with the outer ring sliding groove 204a, and a limit groove 205d arranged on the outer sliding ring 205c; wherein the friction head 205a is made of rubber to ensure the sealing effect of the device; the inner sliding ring 205b is fixedly arranged on the friction head 205a and is slidably connected with the inner ring sliding groove 204b, and the outer sliding ring 205c is fixedly arranged on the friction head 205a The friction head 205a, the inner sliding ring 205b and the outer sliding ring 205c are connected in a ring-shaped whole and have a U-shaped cross-section. The friction head 205a, the inner sliding ring 205b and the outer sliding ring 205c are slidably arranged on the disassembly ring 203a so that the friction head 205a, the inner sliding ring 205b and the outer sliding ring 205c can slide along the disassembly ring 203a to ensure that the friction head 205a can always be in close contact with the shaft diameter 104c to ensure the sealing effect of the device. The setting of the limiting slot 205d allows the second magnet part 206 to push the friction head 205a to move and prevent the friction head 205a from rotating to ensure the normal use of the device.

[0060] The second magnet portion 206 includes a magnet sliding block 206a disposed in the magnet sliding groove 204c, a limit block 206b disposed on the magnet sliding block 206a and matched with the limit slot 205d, a second magnet 206c disposed on the limit block 206b, and a second magnet cover 206d disposed on the second magnet 206c; wherein the magnet sliding block 206a is slidably disposed on the magnet sliding groove 204c, and the limit block 206b is fixedly disposed on the magnet sliding block 206a. Since the limit block 206b is matched with the limit slot 205d, the limit block 206b can not only The friction head 205a is pushed to move, and at the same time, the friction head 205a can be prevented from rotating, so as to ensure the normal use of the device. The second magnet 206c is a permanent magnet to ensure the magnetic strength of the magnet. The second magnet cover 206d is made of plastic material to protect the second magnet 206c and prevent the second magnet cover 206d from isolating the magnetism of the second magnet 206c. The second magnet 206c has the same structure as the first magnet 202a, and the opposite surfaces of the second magnet 206c and the first magnet 202a have the same magnetic poles. The magnetic field repulsion between the second magnet 206c and the first magnet 202a pushes the friction head 205a to move;

[0061] Furthermore, the magnetic field repulsion between the second magnet 206c and the first magnet 202a can provide a sealing radial pre-tightening force for the friction head 205a. Since the pre-tightening force is a magnetic force, the uniformity of the radial pre-tightening force can be ensured, thereby preventing uneven sealing pre-tightening force of the friction head 205a from causing material shear between the friction head 205a and the shaft diameter 104c. In addition, when the friction head 205a is used for a long time, a certain amount of wear will occur. The magnetic field repulsion between the second magnet 206c and the first magnet 202a can effectively pre-tighten, thereby preventing leakage caused by the expansion of the sealing gap due to material wear of the friction head 205a.

[0062] The remaining structure is the same as that of Example 2.

[0063] During use, the guide vane shaft 103a rotates to drive the shaft diameter 104c to rotate, and the friction force between the shaft diameter 104c and the friction head 205a causes the friction head 205a to wear, increasing the gap between the shaft diameter 104c and the friction head 205a. The magnetic force between the first magnet 202a and the second magnet 206c pushes the second magnet 206c to move, and the second magnet 206c drives the limit block 206b to move the magnet sliding block 206a along the magnet sliding groove 204c. The movement of the limit block 206b drives the outer sliding ring 205c to move the friction head 205a, so that the friction head 205a is always in close contact with the shaft diameter 104c, ensuring the sealing effect of the device;

[0064] When the friction head 205a needs to be replaced, the disassembly ring 203a is disassembled by removing the bolt 203c, and the disassembly ring 203a is moved to separate the second docking groove 203b from the first docking groove 201b, so that the disassembly ring 203a can be disassembled and replaced.

[0065] Importantly, it should be noted that the construction and arrangement of the present application shown in a plurality of different exemplary embodiments are only exemplary. Although only a few embodiments are described in detail in this disclosure, it should be readily understood by those who refer to this disclosure that many modifications are possible (e.g., the size, scale, structure, shape and proportion of various elements, and parameter values ​​(e.g., temperature, pressure, etc.), installation arrangement, use of materials, color, directional changes, etc.) without substantially departing from the novel teachings and advantages of the subject matter described in the application. For example, the element shown as integrally formed can be composed of multiple parts or elements, the position of the element can be inverted or otherwise changed, and the nature or number or position of the discrete element can be changed or changed. Therefore, all such modifications are intended to be included in the scope of the present invention. The order or sequence of any process or method steps can be changed or reordered according to alternative embodiments. In the claims, any "device plus function" clause is intended to cover the structure of performing the function described herein, and is not only structurally equivalent but also equivalent structure. Without departing from the scope of the present invention, other replacements, modifications, changes and omissions can be made in the design, operating conditions and arrangement of the exemplary embodiments. Therefore, the invention is not limited to a specific embodiment, but extends to numerous modifications still falling within the scope of the appended claims.

[0066] Additionally, in order to provide a concise description of exemplary embodiments, all features of an actual embodiment (ie, those features that are not relevant to the best mode presently contemplated for carrying out the invention or those that are not relevant to implementing the invention) may not be described.

[0067] It should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention rather than to limit it. 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 spirit 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 radial self-compensating sleeve sealing device, characterized in that: include, A water turbine power generation mechanism (100) comprises a runner chamber (101), a water turbine (102) arranged in the runner chamber (101), a guide vane portion (103) arranged between the runner chamber (101) and the water turbine (102), an axial diameter portion (104) arranged on the runner chamber (101), a bracket portion (105) arranged on the runner chamber (101), and a cover body connecting portion (106) arranged on the bracket portion (105); The sealing mechanism (200) comprises a mounting portion (201) arranged in the cover body connecting portion (106), a first magnet portion (202) arranged on the mounting portion (201), a disassembly portion (203) arranged on the mounting portion (201), a sliding portion (204) arranged on the disassembly portion (203), a friction portion (205) arranged on the disassembly portion (203), and a second magnet portion (206) arranged on the sliding portion (204).

2. The radial self-compensating sleeve sealing device according to claim 1, characterized in that: The guide vane portion (103) comprises a guide vane rotating shaft (103a) arranged on the water turbine (102) and connected to the runner chamber (101), and a guide vane (103b) arranged on the guide vane rotating shaft (103a).

3. The radial self-compensating sleeve sealing device according to claim 2 is characterized in that: The shaft diameter portion (104) comprises a shaft diameter mounting plate (104a) arranged on the runner chamber (101), a shaft diameter mounting groove (104b) arranged on the shaft diameter mounting plate (104a), and a shaft diameter (104c) arranged on the guide vane rotating shaft (103a) and matched with the shaft diameter mounting groove (104b).

4. The radial self-compensating sleeve sealing device according to claim 3 is characterized in that: The support portion (105) comprises a support (105a) arranged on the runner chamber (101), a bearing seat (105b) arranged on the guide vane shaft (103a), and a bolt connection frame (105c) arranged between the support (105a) and the bearing seat (105b); The cover body connecting portion (106) comprises a cover body connecting ring (106a) arranged on the bearing seat (105b), and a sealing seat (106b) arranged on the cover body connecting ring (106a) and connected to the shaft diameter mounting plate (104a).

5. The radial self-compensating sleeve sealing device according to claim 4 is characterized in that: The mounting portion (201) comprises a mounting frame (201a) disposed in the sealing seat (106b) and a first docking groove (201b) disposed on the mounting frame (201a).

6. The radial self-compensating sleeve seal device according to claim 5, characterized in that: The first magnet part (202) comprises a first magnet (202a) arranged on the mounting frame (201a) and a first magnet cover (202b) arranged on the first magnet (202a).

7. The radial self-compensating sleeve sealing device according to claim 6, characterized in that: The disassembly portion (203) comprises a disassembly ring (203a), a second docking groove (203b) arranged on the disassembly ring (203a), the second docking groove (203b) and the first docking groove (201b) being arranged alternately, and a disassembly bolt (203c) arranged between the disassembly ring (203a) and the mounting frame (201a).

8. The radial self-compensating sleeve seal device according to claim 7, characterized in that: The sliding part (204) comprises an outer ring sliding groove (204a) arranged on the disassembly ring (203a), an inner ring sliding groove (204b) arranged on the disassembly ring (203a), and a magnet sliding groove (204c) arranged in the outer ring sliding groove (204a).

9. The radial self-compensating sleeve sealing device according to claim 8, characterized in that: The friction part (205) comprises a friction head (205a) arranged on the disassembly ring (203a), an inner sliding ring (205b) arranged on the friction head (205a) and matched with the inner ring sliding groove (204b), an outer sliding ring (205c) arranged on the friction head (205a) and matched with the outer ring sliding groove (204a), and a limiting groove (205d) arranged on the outer sliding ring (205c).

10. The radial self-compensating sleeve sealing device according to claim 9, characterized in that: The second magnet part (206) comprises a magnet sliding block (206a) arranged in the magnet sliding groove (204c), a limit block (206b) arranged on the magnet sliding block (206a) and adapted to the limit groove (205d), a second magnet (206c) arranged on the limit block (206b), and a second magnet cover (206d) arranged on the second magnet (206c).

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