Hydraulic turbine pressure conduit joint device

Abstract

The application discloses a water turbine pressure pipeline joint device, which comprises a valve, a valve body of the valve is provided with a channel, the valve body is provided with a connecting flange at both ends, a ball groove is arranged in the channel, a ball core is arranged in the ball groove, the ball core is provided with a through groove, a first joint comprises a first connecting piece, the first connecting piece is provided with a first through hole, one end of the first connecting piece is connected with a first pipeline, one end of the first pipeline is connected with the connecting flange, a second joint comprises a second connecting piece, the second connecting piece is provided with a second through hole, one end of the second connecting piece is connected with a second pipeline, the joint device is used for connecting the pipelines in a system, the joint device can also be used as a switch valve, when the joint is disconnected, the valve body can be closed to prevent leakage, and the joint adopts a clever connecting structure, so that the joint is convenient to install and disassemble.

Description

Technical Field

[0001] This invention relates to the field of joints, and in particular to a joint device for a water turbine pressure pipeline. Background Technology

[0002] A turbine pressure pipeline is a pipe used to withstand internal or external pressure; it is part of a larger pipeline system used to transport water within the pipeline. The pressure pipeline consists of an inner pipe and an outer pipe, which are interconnected.

[0003] Existing pressure piping technology uses flanges and bolts for connection. This type of pressure piping is cumbersome to install and disassemble, and is costly. The outer pipe's mounting port is prone to expansion and loosening after repeated assembly, affecting subsequent sealing performance. Summary of the Invention

[0004] The purpose of this section is to outline some aspects of the embodiments of the present invention and to briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section, as well as in the abstract and title of the present application, to avoid obscuring the purpose of this section, the abstract and title of the invention. Such simplifications or omissions shall not be used to limit the scope of the present invention.

[0005] In view of the problems existing in the above and / or prior art, the present invention is proposed.

[0006] Therefore, the technical problem to be solved by this invention is that existing pressure pipelines are connected by flanges and bolts. The installation and disassembly of such existing pressure pipelines are cumbersome and costly. The installation port of the outer pipe is prone to expansion and loosening after repeated assembly, affecting the subsequent sealing effect.

[0007] To solve the above-mentioned technical problems, the present invention provides the following technical solution: a hydraulic turbine pressure pipeline joint device, comprising a valve, including a valve body, the valve body being provided with a channel, connecting flanges being provided at both ends of the valve body, a ball groove being provided in the channel, a ball core being provided in the ball groove, and a through groove being provided in the ball core;

[0008] The first connector includes a first connector, the first connector is provided with a first through hole, one end of the first connector is connected to a first pipe, and one end of the first pipe is connected to a connecting flange.

[0009] The second connector includes a second connecting member, which has a second through hole, and one end of the second connecting member is connected to a second pipe.

[0010] In a preferred embodiment of the turbine pressure pipeline joint device of the present invention, an adjustment platform is provided outside the valve body, the adjustment platform is provided with a shaft hole extending to the ball groove, the ball core is provided with an adjustment shaft, and the adjustment shaft passes through the shaft hole.

[0011] As a preferred embodiment of the turbine pressure pipeline joint device of the present invention, the adjusting shaft is provided with an annular groove along the circumference, the side of the adjusting platform is provided with a threaded hole that extends through to the shaft hole, a limit pin is provided in the threaded hole, one end of the limit pin is embedded in the annular groove, and the surface of the limit pin is provided with a thread that mates with the threaded hole.

[0012] In a preferred embodiment of the turbine pressure pipeline joint device of the present invention, the portion of the adjusting shaft located outside the shaft hole is provided with a through circular hole in the radial direction, and a rocker arm is provided inside the circular hole.

[0013] In a preferred embodiment of the turbine pressure pipeline joint device of the present invention, the end face of the adjusting platform is evenly distributed with slots, and one end of the swing rod is provided with a block that can be embedded in the slots.

[0014] In a preferred embodiment of the turbine pressure pipeline joint device of the present invention, a stop block is provided at the other end of the swing arm, and a spring is provided between the stop block and the adjusting shaft, with the spring sleeved on the swing arm.

[0015] As a preferred embodiment of the turbine pressure pipeline joint device of the present invention, wherein: a connecting groove is provided at one end of the second through hole that is connected to the first connecting member, and one end of the first connecting member can be embedded in the connecting groove;

[0016] The first connector has a first annular groove at one end, a movable cylinder is provided in the first annular groove, a gear groove is provided on the side of the first annular groove that extends radially, a rotating hole is provided in the gear groove, a gear is provided in the gear groove, and the gear is provided with a gear shaft that mates with the rotating hole.

[0017] The side of the movable cylinder is provided with a first elongated groove extending along the axial direction. A first rack that meshes with a gear is provided in the first elongated groove. An annular protrusion is provided inside the first annular groove. A limiting ring platform is provided at one end of the movable cylinder located in the first annular groove. A first spring is provided between the limiting ring platform and the end face of the annular protrusion.

[0018] As a preferred embodiment of the turbine pressure pipeline joint device of the present invention, the connecting groove is provided with a second long groove along the axial direction on the side, and a second rack is provided in the second long groove.

[0019] As a preferred embodiment of the turbine pressure pipeline joint device of the present invention, a cylindrical groove is provided in the second through hole, the diameter of the cylindrical groove is larger than the diameter of the second through hole and smaller than the diameter of the connecting groove, a limiting ring groove is provided on the end face of the cylindrical groove, a rotating cylinder is provided in the cylindrical groove, a rotating disk is provided at one end of the rotating cylinder, and the rotating disk is embedded in the limiting ring groove.

[0020] As a preferred embodiment of the turbine pressure pipeline joint device of the present invention, a frustum is provided on the inner side of the end face of the movable cylinder, a placement groove for placing the frustum is provided at the end of the first connector, and a spiral groove extending along the spiral line is provided on the outer periphery of the rotating cylinder, so that the frustum can be embedded in the spiral groove.

[0021] The beneficial effects of this invention are as follows: the pipes in the system are connected by a connector device, which can also be used as a switch valve. When the connector is disconnected, the valve body can be closed to prevent leakage. At the same time, the connector adopts a clever connection structure, which makes installation and disassembly relatively convenient. Attached Figure Description

[0022] To more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort. Wherein:

[0023] Figure 1 A schematic diagram of a turbine pressure pipeline joint device according to an embodiment of the present invention;

[0024] Figure 2 A schematic diagram of the valve body in a turbine pressure pipeline joint device according to an embodiment of the present invention;

[0025] Figure 3 A schematic diagram of the valve structure in a turbine pressure pipeline joint device according to an embodiment of the present invention is provided;

[0026] Figure 4 A schematic diagram of the valve adjustment structure in a turbine pressure pipeline joint device according to an embodiment of the present invention;

[0027] Figure 5 This is a schematic diagram of the overall structure of the turbine pressure pipeline joint device according to an embodiment of the present invention;

[0028] Figure 6 An exploded structural diagram of the first joint and the second joint in a turbine pressure pipeline joint device according to an embodiment of the present invention;

[0029] Figure 7 A schematic diagram of the first and second joints before connection in a turbine pressure pipeline joint device according to an embodiment of the present invention;

[0030] Figure 8 This is a schematic diagram showing the connection of the first joint and the second joint in a turbine pressure pipeline joint device according to an embodiment of the present invention.

[0031] Figure 9 This is a schematic diagram of the separation of the first joint and the second joint in the turbine pressure pipeline joint device according to an embodiment of the present invention. Detailed Implementation

[0032] To make the above-mentioned objects, features and advantages of the present invention more apparent and understandable, the specific embodiments of the present invention will be described in detail below with reference to the accompanying drawings.

[0033] Many specific details are set forth in the following description in order to provide a full understanding of the invention. However, the invention may also be practiced in other ways different from those described herein, and those skilled in the art can make similar extensions without departing from the spirit of the invention. Therefore, the invention is not limited to the specific embodiments disclosed below.

[0034] Secondly, the present invention will be described in detail with reference to the schematic diagrams. When detailing the embodiments of the present invention, for ease of explanation, the cross-sectional views illustrating the device structure will be partially enlarged, not according to the usual scale. Furthermore, the schematic diagrams are merely examples and should not limit the scope of protection of the present invention. In addition, actual fabrication should include three-dimensional spatial dimensions of length, width, and depth.

[0035] Furthermore, the term "an 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 phrase "in one embodiment" appearing in different places throughout this specification does not necessarily refer to the same embodiment, nor is it a single or selective embodiment that mutually excludes other embodiments.

[0036] Example 1

[0037] Reference Figures 1-5 This embodiment provides a hydraulic turbine pressure pipeline joint device, including a valve 100, which includes a valve body 101. The valve body 101 is provided with a channel 101a, and connecting flanges 101b are provided at both ends of the valve body 101. A ball groove 101c is provided in the channel 101a, and a ball core 102 is provided in the ball groove 101c. The ball core 102 is provided with a through groove K; the ball core 102 can rotate in the ball groove 101c.

[0038] It also includes a first connector 200 and a second connector 300, which can be mated. The first connector 200 includes a first connector 201, which is cylindrical and has a first through hole 201a. One end of the first connector 201 is connected to a first pipe 202. A limiting shoulder A is provided on the outside of the first connector 201. One end of the first pipe 202 is connected to a connecting flange 101b.

[0039] The second connector 300 includes a second connector 301, which has a second through hole 301a. One end of the second connector 301 is connected to a second pipe 302. The second connector 301 is also cylindrical and has a second through hole 301a. One end of the second connector 301 is connected to the second pipe 302. The end of the second through hole 301a that connects to the first connector 201 has a connecting groove 301b. One end of the first connector 201 can be inserted into the connecting groove 301b. The limiting shoulder A divides the first connector 201 into two parts, with the two sides connected to the first pipe 202 and the second connector 301, respectively. That is, when the first connector 201 is inserted to the bottom of the connecting groove 301b, the end face of the second connector 301 is in contact with the limiting shoulder A.

[0040] Specifically, an adjusting platform 103 is provided on the outside of the valve body 101. The adjusting platform 103 has a shaft hole 103a that extends through to the ball groove 101c. The ball core 102 is provided with an adjusting shaft 102a, which passes through the shaft hole 103a. The direction of the ball core 102 is controlled by the adjusting shaft 102a. Preferably, a rectangular opening is provided at the connection between the ball core 102 and the adjusting shaft 102a, and one end of the adjusting shaft 102a is rectangularly embedded in the rectangular opening for connection.

[0041] The adjusting shaft 102a has an annular groove 102b along its circumference. The adjusting platform 103 has a threaded hole 103b extending through to the shaft hole 103a on its side. A limit pin 104 is installed in the threaded hole 103b, with one end of the limit pin 104 embedded in the annular groove 102b. The surface of the limit pin 104 is threaded to mate with the threaded hole 103b. The function of the limit pin 104 is to limit the axial displacement of the adjusting shaft 102a.

[0042] Furthermore, the portion of the adjusting shaft 102a located outside the shaft hole 103a has a radially extending circular hole 102c, and a rocker arm 105 is disposed within the circular hole 102c. The adjusting shaft 102a is operated by the rocker arm 105.

[0043] The end face of the adjustment platform 103 has evenly distributed slots 103c, and one end of the swing arm 105 is provided with a locking block 105a that can be inserted into the slots 103c. The function of the slots 103c is to limit the angular position of the swing arm 105.

[0044] Preferably, a stop 105b is provided at the other end of the rocker arm 105, and a spring 106 is provided between the stop 105b and the adjusting shaft 102a, with the spring 106 sleeved on the rocker arm 105. Under the action of the spring 106, the locking block 105a is embedded in the locking groove 103c.

[0045] In this embodiment, the card slots 103c are distributed at least within a 90° range.

[0046] In pressure systems, pipes are connected via fitting devices, which can also be used as on / off valves.

[0047] Example 2

[0048] Reference Figures 5-9 This is the second embodiment of the present invention, which is based on the previous embodiment and differs from the previous embodiment in that:

[0049] The first connector 200 includes a first connector 201, which is cylindrical and has a first through hole 201a. One end of the first connector 201 is connected to a first pipe 202. A limit shoulder A is provided on the outside of the first connector 201.

[0050] The second connector 300 includes a second connector 301, which is also cylindrical and has a second through hole 301a. One end of the second connector 301 is connected to a second pipe 302. The end of the second through hole 301a that is connected to the first connector 201 has a connecting groove 301b. One end of the first connector 201 can be embedded in the connecting groove 301b. The limiting shoulder A divides the first connector 201 into two parts, with the two sides connected to the first pipe 202 and the second connector 301, respectively. That is, when the first connector 201 is inserted to the bottom of the connecting groove 301b, the end face of the second connector 301 just contacts the limiting shoulder A.

[0051] The first connector 201 has a first annular groove 201b at one end, and a movable cylinder 203 is provided in the first annular groove 201b. The movable cylinder 203 can move axially in the first annular groove 201b. A gear groove 201c that penetrates radially is provided on the side of the first annular groove 201b. A rotating hole 201d is provided in the gear groove 201c. A gear 204 is provided in the gear groove 201c. The gear 204 is provided with a gear shaft 204a that mates with the rotating hole 201d.

[0052] Furthermore, the movable cylinder 203 has a first elongated groove 203a extending axially on its side. A first rack 203b, meshing with the gear 204, is disposed within the first elongated groove 203a, thus linking the gear 204 and the movable cylinder 203. An annular protrusion 201e is disposed inside the first annular groove 201b. A limiting ring platform 203c is disposed at one end of the movable cylinder 203 located within the first annular groove 201b. A first spring 205 is disposed between the limiting ring platform 203c and the end face of the annular protrusion 201e. The first spring 205 is a compression spring, thus preventing the movable cylinder 203 from disengaging from the first annular groove 201b.

[0053] Furthermore, a second elongated groove 301c along the axial direction is provided on the side of the connecting groove 301b, and a second rack 301d is disposed within the second elongated groove 301c. During connection, the second elongated groove 301c is aligned with the gear 204, so that the gear 204 meshes precisely with the second rack 301d. As the first connector 201 enters the connecting groove 301b, the second rack 301d drives the gear 204 to rotate, and the gear 204 drives the moving cylinder 203 to move. The moving cylinder 203 moves out of the first annular groove 201b.

[0054] Furthermore, a cylindrical groove 301e is provided within the second through hole 301a. The diameter of the cylindrical groove 301e is larger than the diameter of the second through hole 301a but smaller than the diameter of the connecting groove 301b, thus forming a stepped structure with the second through hole 301a, the cylindrical groove 301e, and the connecting groove 301b. A limiting ring groove 301f is provided on the end face of the cylindrical groove 301e. The diameter of the limiting ring groove 301f is larger than the diameter of the cylindrical groove 301e. A rotating cylinder 303 is provided within the cylindrical groove 301e, with its middle section extending through it. A rotating disk 303a is provided at one end of the rotating cylinder 303, and the rotating disk 303a is embedded in the limiting ring groove 301f. Therefore, the rotating cylinder 303 can rotate within the second through hole 301a.

[0055] The movable cylinder 203 has a frustum 203d on the inner side of its end face, and the first connector 201 has a placement groove for placing the frustum 203d at its end. When the movable cylinder 203 is completely retracted into the first annular groove 201b, the frustum 203d is located in the placement groove.

[0056] Correspondingly, the outer periphery of the rotating cylinder 303 is provided with a spiral groove 303b extending along a spiral line. The frustum 203d can be embedded in the spiral groove 303b. Therefore, during the connection of the two joints, the frustum 203d embedded in the spiral groove 303b will drive the rotating cylinder 303 to rotate. In this embodiment, the spiral groove 303b is a quarter-turn spiral. Therefore, when the frustum 203d moves from one end of the spiral groove 303b to the other end, the rotating cylinder 303 rotates 90°.

[0057] Furthermore, a limiting hole 203e is provided at the end of the movable cylinder 203 near the second connector 300. A limiting post 206 is provided inside the limiting hole 203e. A second spring 207, which is a compression spring, is provided between the limiting post 206 and the bottom of the limiting hole 203e. A guide groove 203f is provided on the side of the limiting hole 203e, and a guide block 206a embedded in the guide groove 203f is provided on the side of the limiting post 206. Therefore, in the default state, one end of the limiting post 206 extends out of the limiting hole 203e. The rotating disk 303a is provided with a positioning hole 303c. The positioning hole 303c should meet the following condition: when the frustum 203d moves to the end of the spiral groove 303b, the positioning hole 303c is coaxial with the limiting post 206. At this time, the limiting post 206 is just embedded in the positioning hole 303c. At this time, the first connector 200 and the second connector 300 are connected and cannot be separated. Even if external force is used to separate the first connector 200 and the second connector 300, the spiral groove 303b limits the frustum 203d during the separation process of the moving cylinder 203. That is, the rotating cylinder 303 needs to rotate, but the limiting post 206 is embedded in the positioning hole 303c, which restricts the rotation of the rotating cylinder 303. Therefore, the overall structure forms a self-locking structure and cannot be separated.

[0058] Furthermore, the second connector 301 is provided with a pin hole 301g, which penetrates the end face of the cylindrical groove 301e. A reset pin 304 is provided inside the pin hole 301g. One end of the reset pin 304 extends into the cylindrical groove 301e, and the other end expands to form a boss, with a third spring 305 positioned between it and one end face of the pin hole 301g. The second connector 301 is provided with a reset groove 301h that penetrates the pin hole 301g. The reset groove 301h extends axially, and an adjusting pin 304a is provided on the side of the reset pin 304, located within the reset groove 301h. Therefore, after the first connector 200 and the second connector 300 are connected, when separation is required, the adjusting pin 304a is operated, that is, one end of the drive reset pin 304 is inserted into the positioning hole 303c and the limit pin 206 is pushed to disengage from the positioning hole 303c. Once the limit pin 206 disengages from the positioning hole 303c, the rotation of the rotating cylinder 303 is not restricted. Under the action of the first spring, the moving cylinder 203 retracts into the first annular groove 201b. During its reset process, the second connector 301 is also disengaged from the first connector 200 by the drive of the gear.

[0059] It should be noted that when the limiting post 206 is embedded in the positioning hole 303c, it is a clearance fit. The diameter of the reset pin 304 must be smaller than the diameter of the positioning hole 303c. In this way, when the reset pin 304 pushes the limiting post 206 out of the positioning hole 303c, the reset pin 304 remains in the positioning hole 303c and there is a gap between it and the positioning hole 303c. This allows the rotating disk 303a to deflect. That is, although the reset pin 304 is located in the positioning hole 303c, due to the gap, the rotating disk 303a can still deflect under the action of the frustum 203d, causing the positioning hole 303c and the limiting post 206 to be misaligned, preventing the limiting post 206 from falling back into the positioning hole 303c.

[0060] It should be noted that in this embodiment, the gear groove 201c, the rotating hole 201d, the gear 204, the first long groove 203a, the second long groove 301c, the frustum 203d, the spiral groove 303b, the limiting hole 203e, the limiting post 206, and the positioning hole 303c are all symmetrically arranged in twos.

[0061] In this embodiment, the two pipes are connected by the first connector 200 and the second connector 300. The operation is simple and the connection is stable. The operation process is as follows: the first connector 201 is inserted into the connecting groove 301b. During the process of the first connector 201 entering the connecting groove 301b, the second rack 301d drives the gear 204 to rotate, and the gear 204 drives the moving cylinder 203 to move. The movable cylinder 203 moves out of the first annular groove 201b; the frustum 203d is embedded in the spiral groove 303b, which drives the rotating cylinder 303 to rotate; when the frustum 203d moves from one end of the spiral groove 303b to the other end, the rotating cylinder 303 rotates 90°; the positioning hole 303c is coaxial with the limiting post 206, and at this time the limiting post 206 is just embedded in the positioning hole 303c. At this time, the first connector 200 and the second connector 300 are connected and cannot be separated, because even if external force is used to separate the first connector 200 and the second connector 300, due to the limiting effect of the spiral groove 303b on the frustum 203d during the separation process, that is, the rotating cylinder 303 needs to rotate, but because the limiting post 206 is embedded in the positioning hole 303c, it restricts the rotation of the rotating cylinder 303. Therefore, the overall structure forms a self-locking structure and cannot be separated. When separation is required, operate the adjusting pin 304a, that is, drive the reset pin 304 to insert one end into the positioning hole 303c and push the limiting post 206 to disengage from the positioning hole 303c. Once the limiting post 206 disengages from the positioning hole 303c, the rotation of the rotating cylinder 303 is not restricted. Under the action of the first spring, the moving cylinder 203 retracts into the first annular groove 201b. During its reset process, the second connecting piece 301 is also disengaged from the first connector 200 by the drive of the gear.

[0062] It should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention and are not intended to limit it. Although the present invention has been described in detail with reference to preferred embodiments, those skilled in the art should understand that modifications or equivalent substitutions can be made to the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention, and all such modifications or substitutions should be covered within the scope of the claims of the present invention.

Claims

1. A penstock joint for a hydraulic turbine, characterized by: The utility model relates to a valve (100) and a first joint (200) and a second joint (300), and the valve (100) comprises a valve body (101), the valve body (101) is provided with a channel (101a), the valve body (101) is provided with a connecting flange (101b) at both ends, the channel (101a) is provided with a ball groove (101c), the ball groove (101c) is provided with a ball core (102), the ball core (102) is provided with a through groove (K), the first joint (200) comprises a first connecting piece (201), the first connecting piece (201) is provided with a first through hole (201a), the first connecting piece (201) is connected with a first pipeline (202) at one end, and the first pipeline (202) is connected with the connecting flange (101b) at one end, the second joint (300) comprises a second connecting piece (301), the second connecting piece (301) is provided with a second through hole (301a), and the second connecting piece (301) is connected with a second pipeline (302) at one end, the second through hole (301a) is provided with a connecting groove (301b) at one end connected with the first connecting piece (201), and one end of the first connecting piece (201) can be embedded in the connecting groove (301b), one end of the first connecting piece (201) is provided with a first annular groove (201b), the first annular groove (201b) is provided with a moving cylinder (203), the first annular groove (201b) is provided with a gear groove (201c) penetrating along the radial direction on the side, the gear groove (201c) is provided with a rotating hole (201d), the gear groove (201c) is provided with a gear (204), the gear (204) is provided with a gear shaft (204a) matched with the rotating hole (201d), the moving cylinder (203) is provided with a first long groove (203a) extending along the axial direction on the side, the first long groove (203a) is provided with a first rack (203b) engaged with the gear (204), the first annular groove (201b) is internally provided with an annular protrusion (201e), one end of the moving cylinder (203) located in the first annular groove (201b) is provided with a limiting ring table (203c), the limiting ring table (203c) and the annular protrusion (201e) end face are provided with the first spring (205), the connecting groove (301b) is provided with a second long groove (301c) along the axial direction on the side, and the second long groove (301c) is provided with a second rack (301d), the second through hole (301a) is provided with a cylindrical groove (301e), the cylindrical groove (301e) is provided with a limiting ring groove (301f) at the end face, the cylindrical groove (301e) is provided with a rotating cylinder (303), one end of the rotating cylinder (303) is provided with a rotating disc (303a), and the rotating disc (303a) is embedded in the limiting ring groove (301f). ​ ​ ​ ​ ​ ​ ​ ​ The mobile cylinder (203) is internally provided with a circular platform (203d), the first connecting piece (201) is provided with a placing groove for placing the circular platform (203d), and the rotating cylinder (303) is externally provided with a spiral groove (303b) extending along a spiral line, and the circular platform (203d) can be embedded into the spiral groove (303b).

2. The hydraulic turbine pressure conduit joint apparatus of claim 1, wherein: The valve body (101) is externally provided with an adjusting platform (103), the adjusting platform (103) is provided with an axial hole (103a) penetrating into the ball groove (101c), the ball core (102) is provided with an adjusting shaft (102a), and the adjusting shaft (102a) penetrates through the axial hole (103a).

3. The hydraulic turbine pressure conduit joint apparatus of claim 2, wherein: The adjusting shaft (102a) is circumferentially provided with an annular groove (102b), the adjusting platform (103) is laterally provided with a screw hole (103b) penetrating into the axial hole (103a), the screw hole (103b) is internally provided with a limiting pin (104), one end of the limiting pin (104) is embedded into the annular groove (102b), and the surface of the limiting pin (104) is provided with a screw thread matched with the screw hole (103b).

4. The hydraulic turbine pressure conduit joint apparatus of claim 3, wherein: The part of the adjusting shaft (102a) outside the axial hole (103a) is radially provided with a penetrating circular hole (102c), and the circular hole (102c) is internally provided with a swing rod (105).

5. The hydraulic turbine pressure conduit joint apparatus of claim 4, wherein: The adjusting platform (103) is uniformly distributed with clamping grooves (103c) on the end face, and the swing rod (105) is provided with a clamping block (105a) capable of being embedded into the clamping groove (103c) at one end.

6. The hydraulic turbine pressure conduit joint apparatus of claim 5, wherein: The swing rod (105) is provided with a stop block (105b) at the other end, a spring (106) is arranged between the stop block (105b) and the adjusting shaft (102a), and the spring (106) is sleeved on the swing rod (105).

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