Auxiliary supporting structure for control ring of tubular turbine
By introducing an auxiliary support device into the axial-flow turbine, the impact force of the water flow is dispersed by the fixed plate and support components, thus solving the problem of control ring deformation and achieving stability and convenience of the control ring.
Patent Information
- Application Number
- CN202423129542.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-18
- Publication Date
- 2025-10-24
- Estimated Expiration
- 2034-12-18
AI Technical Summary
The control loop of a cross-flow turbine is prone to deformation under the impact of water flow, which leads to reduced stability.
An auxiliary support device is used, including a shell, a mounting seat, a fixing plate and a support component. The fixing plate is attached to the control ring and the support component is used to disperse the impact force to prevent the control ring from deforming.
It effectively prevents control loop deformation, improves the stability and shock resistance of the control loop, and facilitates installation and maintenance.
Smart Images

Figure CN223469365U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to tubular turbine related technical field especially is a kind of tubular turbine control ring auxiliary support structure. BACKGROUND
[0002] Tubular turbine in the operation process, with the change of water head needs to change guide vane opening degree to adjust unit flow to make runner in a higher efficiency region operation, and the adjustment of guide vane opening degree needs to be operated by control ring, the relative motion of control ring when operating guide vane switch and the outer guide ring of water guide mechanism is to realize the reciprocating rotation of certain angle by the rolling of steel ball filled in sliding chute.The existing control ring is pulled to rotate by setting hydraulic expansion joint, thereby the guide vane in water inlet end is adjusted, thereby the flow rate of incoming water flow is adjusted, if the water impact of upstream is larger, it is easy to impact guide vane, and then promote the rotation of control ring, and control ring is limited by hydraulic expansion joint, so it is possible that control ring is deformed due to the impact of water flow, therefore the stability of control ring is reduced. SUMMARY
[0003] The utility model discloses to overcome the deficiency that control ring is deformed under the continuous water flow impact in prior art, provide a kind of tubular turbine control ring auxiliary support structure of strengthening control ring by auxiliary support device to prevent control ring deformation.
[0004] In order to achieve the above object, the utility model adopts the following technical scheme:
[0005] A kind of tubular turbine control ring auxiliary support structure, including shell, mounting seat, control ring and fixed plate, the mounting seat is installed on shell, the control ring is rotatably connected with mounting seat, both sides of the shell are equipped with fixed plate, the shell is installed with fastening assembly, the fixed plate of the shell both sides is connected by fastening assembly, one side of the fixed plate is attached with control ring, the fixed plate is equipped with support assembly, the support assembly is attached with control ring.
[0006] The shell is the shell of the runner chamber of the tubular water turbine, the mounting seat installed on the shell is used for installing the control ring, the control ring is rotationally connected with the mounting seat, then the fixing plate is installed on the shell, the control ring is fixed through the assembly of the plurality of fixing plates, the control ring is fixed on the mounting seat to rotate, then the fixing plate is fixed on the shell through the installation of the fastening assembly on the shell, the fixing plate limits the control plate, then the side surface of the control ring is supported through the support assembly on the fixing plate, which is used for dispersing the impact force received by the control ring, so as to prevent the control ring from deforming, the control ring is fixed through the fixing plate, and the control ring can be overhauled by disassembling the fixing plate to release the fixing of the control ring, so as to overhaul the control ring, and the purpose of strengthening the control ring through the auxiliary supporting device to prevent the control ring from deforming is achieved.
[0007] As preferred, one side of the mounting seat is provided with a mounting groove, the control ring is arranged in the mounting groove, a rotating ring is arranged on the side surface of the mounting groove, one side of the control ring in contact with the mounting seat is provided with a ring groove, and the control ring is rotationally connected with the mounting seat through cooperation of the rotating ring and the ring groove. The control ring is installed in the mounting groove of the mounting seat, and then the control ring is rotationally connected with the mounting seat through cooperation of the ring groove on the control ring and the rotating ring on the mounting seat, so that the control ring is installed on the mounting seat, the wear of the shell caused by the control ring is reduced, and the control ring is convenient to install due to the opening on one side of the mounting groove, and the control ring is convenient to install.
[0008] As preferred, the fixing plate is provided with two, the cross section of the fixing plate is semicircular, the inner side of the fixing plate is in contact with the shell, the opening end of the fixing plate on one side of the shell is in contact with the opening end of the fixing plate on the other side, the one end of the fixing plate is provided with an insertion block, the other end of the fixing plate is provided with an insertion hole, and the insertion block of the fixing plate is matched with the insertion hole of the fixing plate on the other side. The two fixing plates are provided, and the two fixing plates form a complete circle and are in contact with the shell, one side of the fixing plate is in contact with the control ring, the control ring is limited in the mounting groove, the insertion block at one end of the fixing plate is inserted into the insertion hole of the other fixing plate, the connection of the two fixing plates is completed, the fixing plate is convenient to disassemble to release the limitation of the control ring, and the control ring is limited.
[0009] As preferred, the fixing plate is provided with a plurality of circumferentially distributed support assemblies, the support assembly comprises a support rod and a rotating wheel, one end of the support rod is connected with the fixing plate, a plurality of uniformly distributed rotating wheels are installed on the support rod, the rotating wheel is rotatably connected with the support rod, the control ring is provided with a plurality of rotating wheel grooves, the rotating wheel groove is matched with the rotating wheel, and one side of the rotating wheel is arranged in the rotating wheel groove. A plurality of support assemblies are installed on the outer side of the fixing plate to support the side of the control ring, the support rod of the support assembly is installed on the fixing plate, a plurality of rotatably connected rotating wheels are installed on the support rod, one side of the rotating wheel is arranged in the rotating wheel groove of the control ring, and the control ring rotates. The rotating wheel also rotates in the rotating wheel groove, and the rolling can reduce the wear of the control ring. When the control ring is impacted, the impact is transmitted to the support rod through the matched rotating ring, and then dispersed through the fixing plate, thereby improving the impact resistance of the control plate. Such a design can support the control ring.
[0010] As preferred, the fixing plate is provided with a plurality of circumferentially distributed support assemblies, the support assembly comprises a support rod and a rotating wheel, one end of the support rod is connected with the fixing plate, a plurality of uniformly distributed rotating wheels are installed on the support rod, the rotating wheel is rotatably connected with the support rod, the control ring is provided with a plurality of rotating wheel grooves, the rotating wheel groove is matched with the rotating wheel, and one side of the rotating wheel is arranged in the rotating wheel groove. A plurality of support assemblies are installed on the outer side of the fixing plate to support the side of the control ring, the support rod of the support assembly is installed on the fixing plate, a plurality of rotatably connected rotating wheels are installed on the support rod, one side of the rotating wheel is arranged in the rotating wheel groove of the control ring, and the control ring rotates. The rotating wheel also rotates in the rotating wheel groove, and the rolling can reduce the wear of the control ring. When the control ring is impacted, the impact is transmitted to the support rod through the matched rotating ring, and then dispersed through the fixing plate, thereby improving the impact resistance of the control plate. Such a design can support the control ring.
[0011] As preferred, the fixing plate is provided with a plurality of circumferentially distributed support assemblies, the support assembly comprises a support rod and a rotating wheel, one end of the support rod is connected with the fixing plate, a plurality of uniformly distributed rotating wheels are installed on the support rod, the rotating wheel is rotatably connected with the support rod, the control ring is provided with a plurality of rotating wheel grooves, the rotating wheel groove is matched with the rotating wheel, and one side of the rotating wheel is arranged in the rotating wheel groove. A plurality of support assemblies are installed on the outer side of the fixing plate to support the side of the control ring, the support rod of the support assembly is installed on the fixing plate, a plurality of rotatably connected rotating wheels are installed on the support rod, one side of the rotating wheel is arranged in the rotating wheel groove of the control ring, and the control ring rotates. The rotating wheel also rotates in the rotating wheel groove, and the rolling can reduce the wear of the control ring. When the control ring is impacted, the impact is transmitted to the support rod through the matched rotating ring, and then dispersed through the fixing plate, thereby improving the impact resistance of the control plate. Such a design can support the control ring.
[0012] The utility model discloses an advantageous effect is: through the auxiliary support device strengthens control ring to prevent control ring deformation, the control ring can be installed conveniently, can limit control ring, can support control ring, can fix the fixed plate on the casing, can support the fixed plate. BRIEF DESCRIPTION OF DRAWINGS
[0013] Figure 1 It is the structural schematic diagram of the utility model;
[0014] Figure 2 It is Figure 1 The structural schematic diagram of the middle casing;
[0015] Figure 3 It is Figure 1 The sectional view of control panel;
[0016] Figure 4 It is Figure 1 The structural schematic diagram of the fixed plate;
[0017] Figure 5 It is Figure 1 The structural schematic diagram of the fastening assembly.
[0018] In the drawing: 1, casing;11, sink groove;2, mounting seat;21, installation groove;22, rotating ring;3, control ring;31, ring groove;32, rotating wheel groove;4, fixed plate;41, plug-in block;42, insertion hole;43, connecting hole;44, reinforcing plate;5, fastening assembly;51, connecting block;52, fastening screw;53, connecting rod;6, support assembly;61, support rod;62, rotating wheel. DETAILED DESCRIPTION
[0019] The utility model will be described further below in combination with the drawings and specific embodiment.
[0020] As Figure 1 , Figure 2 The embodiment shown in the drawing, a tubular turbine control ring auxiliary support structure, including casing 1, mounting seat 2, control ring 3 and fixed plate 4, mounting seat 2 installs on casing 1, control ring 3 is connected with mounting seat 2 rotation, both sides of casing 1 are equipped with fixed plate 4, and casing 1 is installed with fastening assembly 5, and the fixed plate 4 of both sides of casing 1 is connected through fastening assembly 5, and one side of fixed plate 4 is attached with control ring 3, and fixed plate 4 is equipped with support assembly 6, and support assembly 6 is attached with control ring 3.
[0021] As Figure 3 The side of mounting seat 2 is equipped with installation groove 21, and control ring 3 is placed in installation groove 21, and the side surface of installation groove 21 is equipped with rotating ring 22, and one side of control ring 3 that is in contact with mounting seat 2 is equipped with ring groove 31, and control ring 3 is connected with mounting seat 2 rotation through the cooperation of rotating ring 22 and ring groove 31.
[0022] As shown in Figure 4 two, the cross-sectional shape of the fixed plate 4 is semicircular, the inner side of the fixed plate 4 is attached to the shell 1, the open end of the fixed plate 4 on one side is attached to the open end of the fixed plate 4 on the other side, the fixed plate 4 is provided with a plug 41 at one end, the fixed plate 4 is provided with a plug hole 42 at the other end, and the plug 41 of the fixed plate 4 matches the plug hole 42 of the fixed plate 4 on the other side.
[0023] A plurality of support assemblies 6 are arranged on the fixed plate 4, the support assembly 6 includes a support rod 61 and a rotating wheel 62, one end of the support rod 61 is connected with the fixed plate 4, a plurality of rotating wheels 62 are arranged on the support rod 61, the rotating wheel 62 is rotatably connected with the support rod 61, a plurality of rotating wheel grooves 32 are arranged on the control ring 3, the rotating wheel groove 32 matches the rotating wheel 62, and one side of the rotating wheel 62 is arranged in the rotating wheel groove 32.
[0024] As shown in Figure 5 two, the fixed plate 4 is provided with a fastening assembly 5 at both ends, the fastening assembly 5 includes a connecting block 51, the connecting block 51 is attached to the shell 1, the connecting block 51 is provided with a fastening screw 52, the fastening screw 52 is screwed with the shell 1 after passing through the connecting block 51, the connecting block 51 is provided with two connecting rods 53 on the side facing the fixed plate 4, the fixed plate 4 is provided with a connecting hole 53, the two connecting rods 53 correspond to the connecting holes 53 on the two sides of the fixed plate 4 respectively, one end of the connecting rod 53 is connected with the fixed plate 4, and the other end of the connecting rod 53 is arranged in the connecting hole 53.
[0025] A plurality of reinforcing plates 44 are arranged on the side of the fixed plate 4 away from the control ring 3, the cross-sectional shape of the reinforcing plate 44 is triangular, a plurality of recesses 11 are arranged on the shell 1, the recess 11 corresponds to the reinforcing plate 44 one by one, one side of the reinforcing plate 44 is connected with the fixed plate 4, and the lower end of the reinforcing plate 44 is arranged in the recess 11 and attached to the shell 1.
[0026] When installing, the control ring 3 is placed in the mounting groove 21 of the mounting seat 2, the rotating connection between the control ring 3 and the mounting seat 2 is realized, and the rotating control of the control ring 3 is realized. The opening and closing of the guide vane. After the control ring 3 is placed, the two fixed plates 4 are spliced together, the plug 41 of one side of the fixed plate 4 is inserted into the plug hole 42 of the other side of the fixed plate 4, the two fixed plates 4 are connected together and attached to the surface of the shell 1, and then the control ring 3 is limited in the mounting groove 21 by the fixed plate 4. Then insert the two connecting rods 53 of the connecting block 51 into the connecting holes 43 of the two fixed rings 4, fix the positions of the two fixed plates 4, and then fix the connecting block 51 on the shell 1 by the fastening screw 52 to realize the limiting and fixing of the connecting block 51.
[0027] After the fixing plate 4 is installed, when the outer ring of the control ring 3 is impacted, the control ring 3 is transmitted to the support rod 61 through the rotating wheel 62, and then the impact force is dispersed through the fixing plate 4. When the control ring 3 impacts the fixing plate 4, the lower end of the reinforcing plate 44 installed on the fixing plate 4 is placed in the sink 11 of the shell 1, reinforcing the fixing plate 4 and preventing the fixing plate 4 from deforming. When the control ring 3 rotates, in order to reduce wear, the rotating wheel 62 is in rolling contact with the control plate 3 in the rotating wheel groove 32 of the control ring 3.
Claims
1. A kind of control ring auxiliary support structure of tubular turbine, it is characterized in that, The utility model provides a control ring and fixed plate combination type shell, including shell (1), mounting seat (2), control ring (3) and fixed plate (4), mounting seat (2) install on shell (1), control ring (3) with mounting seat (2) rotation is connected, both sides of shell (1) are equipped with fixed plate (4), the fixed plate (4) of shell (1) is equipped with fastening assembly (5), the fixed plate (4) of both sides of shell (1) is connected through fastening assembly (5), one side of fixed plate (4) is pasted with control ring (3), the fixed plate (4) is equipped with support assembly (6), support assembly (6) is pasted with control ring (3).
2. The control ring auxiliary support structure of a tubular turbine according to claim 1, wherein One side of mounting seat (2) is equipped with installation groove (21), control ring (3) is placed in installation groove (21), the side of installation groove (21) is equipped with rotation ring (22), one side of control ring (3) and mounting seat (2) contact is equipped with ring groove (31), control ring (3) is connected with mounting seat (2) rotation through the cooperation of rotation ring (22) and ring groove (31).
3. The control ring auxiliary support structure of a tubular turbine according to claim 1, wherein The fixed plate (4) is provided with two, the cross section shape of the fixed plate (4) is semicircular, the inner side of the fixed plate (4) is pasted with the shell (1), the opening end of the fixed plate (4) on one side of the shell (1) is pasted with the opening end of the fixed plate (4) on the other side, one end of the fixed plate (4) is provided with an insertion block (41), the other end of the fixed plate (4) is provided with an insertion hole (42), the insertion block (41) of the fixed plate (4) is matched with the insertion hole (42) of the fixed plate (4) on the other side.
4. The control ring auxiliary support structure of a tubular turbine according to claim 1, wherein The fixed plate (4) is equipped with a plurality of circumferentially distributed support assemblies (6), the support assembly (6) includes a support rod (61) and a rotating wheel (62), one end of the support rod (61) is connected with the fixed plate (4), a plurality of evenly distributed rotating wheels (62) are installed on the support rod (61), the rotating wheel (62) is rotatably connected with the support rod (61), a plurality of rotating wheel grooves (32) are provided on the control ring (3), the rotating wheel groove (32) is matched with the rotating wheel (62), one side of the rotating wheel (62) is placed in the rotating wheel groove (32).
5. The control ring auxiliary support structure of a tubular turbine according to claim 1, wherein Both ends of the fixed plate (4) are provided with fastening assemblies (5), the fastening assembly (5) includes a connecting block (51), the connecting block (51) is pasted with the shell (1), the connecting block (51) is provided with a fastening screw (52), the fastening screw (52) is screwed with the shell (1) after passing through the connecting block (51), two connecting rods (53) are provided on one side of the connecting block (51) facing the fixed plate (4), the fixed plate (4) is provided with a connecting hole (43), two connecting rods (53) are respectively corresponding to the connecting hole (43) on the fixed plate (4) on both sides, one end of the connecting rod (53) is connected with the fixed plate (4), the other end of the connecting rod (53) is placed in the connecting hole (43).
6. The control ring auxiliary support structure of a tubular turbine according to claim 5, wherein The fixed plate (4) is provided with several reinforcing plates (44) on the side away from the control ring (3), the cross section of the reinforcing plate (44) is triangular, the shell (1) is provided with several sunken grooves (11), the sunken groove (11) corresponds to the reinforcing plate (44) one by one, one side of the reinforcing plate (44) is connected with the fixed plate (4), and the lower end of the reinforcing plate (44) is placed in the sunken groove (11) and adheres to the shell (1).