Horizontal water turbine runner dismounting tool
By designing a horizontal turbine runner disassembly tool and using a motor-driven screw and rope system to adjust the hook spacing and position, the problem that existing equipment cannot adapt to runners of different sizes is solved, and the stability and portability of the lifting are improved.
Patent Information
- Application Number
- CN202422686891.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-05
- Publication Date
- 2025-10-03
- Estimated Expiration
- 2034-11-05
AI Technical Summary
Existing lifting and unloading equipment cannot effectively adjust the lifting distance, resulting in poor stability when lifting wheels of different sizes.
A horizontal turbine runner disassembly tool was designed, which included a main body, a pre-installed slot, a displacement mechanism, a lifting assembly, and an adjustment assembly. The motor-driven screw rod and the lifting rope were used to flexibly adjust the hook spacing and position.
It achieves stable lifting of runners of different sizes and improves the portability and safety of the disassembly process.
Smart Images

Figure CN223409244U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of water turbine disassembly and assembly, and in particular relates to a horizontal water turbine runner disassembly tool. Background Art
[0002] A horizontal turbine is a common hydroelectric power generation equipment. Its main structures include a runner, a water guide mechanism, a tailwater pipe, etc. When disassembling, assembling, inspecting and maintaining the turbine runner, lifting and disassembling equipment is usually used directly to lift and disassemble the turbine.
[0003] During use of the existing lifting and unloading equipment, due to the different sizes of the existing wheels, the two sets of lifting and unloading heads of the lifting and unloading equipment cannot adjust their lifting spacing well, so that after lifting the wheels of different sizes, poor stability may be caused. Utility Model Content
[0004] (1) Technical problems to be solved
[0005] In response to the shortcomings of the existing technology, the purpose of this utility model is to provide a horizontal turbine runner disassembly tool, which aims to solve the problem in the existing technology that due to the different sizes of existing runners, the two sets of lifting and unloading heads of the lifting and unloading equipment cannot adjust their lifting spacing well, which may lead to poor stability after lifting runners of different sizes.
[0006] (2) Technical solution
[0007] In order to solve the above technical problems, the utility model provides a horizontal turbine runner disassembly tool, including a main body, pre-installed grooves are opened on the upper sides of the main body, and a displacement mechanism is installed inside the two pre-installed grooves, the displacement mechanism includes a first screw sleeve, and an upper mounting slide is fixed around and above the first screw sleeve, an adaptation mechanism is installed inside and below the upper mounting slide, the adaptation mechanism includes a lifting assembly, and the lifting assembly is installed inside the upper mounting slide, the lifting assembly includes two winding ropes, and the ends of the two winding ropes are connected to a lifting frame, and an adjustment assembly is installed inside and below the lifting frame.
[0008] Furthermore, the lifting assembly includes a roller, and the roller is installed inside the upper slide. One end of the roller is connected to a second motor, and a limit frame is fixed around both sides of the roller. A winding rope is wound around the inner side of the two limit frames.
[0009] Furthermore, the limiting frames are symmetrically distributed along the vertical center axis of the roller.
[0010] Furthermore, the adjustment assembly includes forward and reverse screw rods, and the forward and reverse screw rods are installed at the lower part of the interior of the lifting frame, a third motor is installed at one end of the forward and reverse screw rods, and second screw rod sleeves are screwed on both sides of the middle part of the forward and reverse screw rods, and a guide frame is fixed around the two second screw rod sleeves, a guide rod is fixed on the upper part of the interior of the lifting frame, a connecting chain is connected to the bottom of the two guide frames, and a movable block is installed at the end of the two connecting chains, and a hook is fixed at the bottom of the movable block.
[0011] Furthermore, the guide frame and the guide rod are connected in a movable guiding manner.
[0012] Furthermore, the displacement mechanism includes a first transmission screw, and the first transmission screw is installed inside one of the pre-installed slots, one end of the first transmission screw is connected to the first motor, and a first screw sleeve is screwed around one side of the first transmission screw, and a sliding rod is fixed inside the other pre-installed slot.
[0013] Furthermore, the slide rod and the upper slide are connected in a movable guide manner.
[0014] (3) Beneficial effects
[0015] Compared with the prior art, the beneficial effects of the present invention are:
[0016] The personnel of the utility model starts the second motor to rotate the rotating roller. At this moment, the winding ropes wound on the middle of the limit frames on both sides of the rotating roller will gradually loosen, thereby achieving the purpose of lowering the lifting frame, so that the two hooks on both sides below the lifting frame can be close to the lifting points of the rotating wheel. Then continue to start the third motor to rotate the positive and negative screw rods. At this time, the two relative second screw rod sliding sleeves acting with the screw rods can carry the two guide frames and the connecting chain and hook connected below to cooperate with the guide rod to perform relative displacement, so as to adjust the spacing between the two hooks, thereby adapting to the lifting and unloading of rotating wheels of different sizes. In addition, since a movable block is provided between the connecting chain and the hook, the hook can cooperate with the lifting hole on the rotating wheel to achieve relative adjustment of the orientation.
[0017] According to the utility model, the staff can start the first motor in advance to rotate the first transmission screw. At this time, the first screw sleeve acting on the screw can move horizontally with the upper slide and the adapter mechanism in cooperation with the guide of the slide, so that the staff can indirectly control the position of the hoisting frame to be hoisted, providing portability for the subsequent hoisting and disassembly of the horizontal turbine runner. BRIEF DESCRIPTION OF THE DRAWINGS
[0018] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are only some embodiments of the present application. For those skilled in the art, other drawings can be obtained based on these drawings without paying any creative work.
[0019] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model;
[0020] Figure 2 Schematic diagram of the internal structure of the upper carriage;
[0021] Figure 3 This is a schematic diagram of the internal structure of the hanging frame;
[0022] Figure 4 for Figure 1 Schematic diagram of the structure at point A in the middle.
[0023] The marks in the accompanying drawings are: 1. Main body; 2. Pre-installed groove; 3. Displacement mechanism; 31. First transmission screw; 32. First motor; 33. First screw sleeve; 34. Slide rod; 4. Upper slide; 5. Adaptation mechanism; 51. Lifting assembly; 511. Roller; 512. Second motor; 513. Limiting frame; 514. Winding rope; 52. Lifting frame; 53. Adjustment assembly; 531. Forward and reverse screws; 532. Third motor; 533. Second screw sleeve; 534. Guide frame; 535. Guide rod; 536. Connecting chain; 537. Movable block; 538. Hook. DETAILED DESCRIPTION
[0024] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.
[0025] This specific embodiment is a horizontal turbine runner disassembly tool, and its structural diagram is as follows: Figures 1 to 4As shown, it includes a main body 1, pre-installed grooves 2 are opened on the upper sides of the main body 1, and a displacement mechanism 3 is installed inside the two pre-installed grooves 2, the displacement mechanism 3 includes a first screw sleeve 33, and an upper slide 4 is fixed around and above the first screw sleeve 33, and an adapter mechanism 5 is installed inside and below the upper slide 4, the displacement mechanism 3 includes a first transmission screw 31, and the first transmission screw 31 is installed inside one of the pre-installed grooves 2, one end of the first transmission screw 31 is connected to a first motor 32, and the first transmission screw A first screw sleeve 33 is screwed on the periphery of one side of 31, and a slide rod 34 is fixed inside the other pre-installed groove 2. The slide rod 34 and the upper slide 4 are connected by a movable guide. The staff can start the first motor 32 in advance to rotate the first transmission screw 31. At this time, the first screw sleeve 33 acting with the screw can move horizontally with the upper slide 4 and the adapter mechanism 5 in cooperation with the guide of the slide rod 34, so that the staff can indirectly control the position to be hoisted of the hoisting frame 52, providing portability for the subsequent hoisting and disassembly of the horizontal turbine runner.
[0026] Among them, the adapting mechanism 5 includes a lifting component 51, and the lifting component 51 is installed inside the upper slide 4, the lifting component 51 includes a roller 511, and the roller 511 is installed inside the upper slide 4, one end of the roller 511 is connected to a second motor 512, and a limiting frame 513 is fixed on both sides of the roller 511, and a winding rope 514 is wound around the inner side of the two limiting frames 513. The limiting frames 513 are symmetrically distributed along the vertical center axis of the roller 511, and the ends of the two winding ropes 514 are connected to The hanging frame 52 has an adjustment assembly 53 installed inside and below the hanging frame 52. The adjustment assembly 53 includes a forward and reverse screw rod 531, and the forward and reverse screw rod 531 is installed inside and below the hanging frame 52. A third motor 532 is installed at one end of the forward and reverse screw rod 531, and a second screw rod sleeve 533 is screwed on both sides of the middle of the forward and reverse screw rod 531. A guide frame 534 is fixed around the two second screw rod sleeves 533. A guide rod 535 is fixed on the upper part of the hanging frame 52. A connecting chain 5 is connected below the two guide frames 534. 36, and the ends of the two connecting chains 536 are equipped with movable blocks 537, and the lower part of the movable blocks 537 is fixed with hooks 538. The guide frame 534 and the guide rod 535 are connected with each other in a movable guide manner. The personnel starts the second motor 512 to rotate the roller 511. At this time, the winding rope 514 wound around the middle of the limit frames 513 on both sides of the roller 511 will gradually relax, thereby achieving the purpose of lowering the hanging frame 52, so that the two hooks 538 on both sides of the hanging frame 52 can be close to the waiting hoisting point of the rotating wheel, and then continue Then, the third motor 532 is started to rotate the forward and reverse screw rods 531. At this time, the two relative second screw rod sleeves 533 acting in conjunction with the screw rods can carry the two guide frames 534 and the connecting chain 536 and hook 538 connected below to cooperate with the guide rod 535 to perform relative displacement, thereby adjusting the distance between the two hooks 538 to adapt to the lifting and unloading of the rotating wheels of different sizes. Moreover, since a movable movable block 537 is provided between the connecting chain 536 and the hook 538, the hook 538 can cooperate with the lifting hole on the rotating wheel to achieve relative adjustment of the orientation.
[0027] Working principle: The staff can start the first motor 32 in advance to rotate the first transmission screw 31. At this time, the first screw sleeve 33 acting on the screw can carry the upper slide 4 and the adapter mechanism 5 to move horizontally in cooperation with the guide of the slide 34, so that the staff can indirectly control the position of the hoisting frame 52 to be hoisted, providing portability for the subsequent hoisting and dismantling of the horizontal turbine runner. Then, the staff starts the second motor 512 to rotate the roller 511. At this time, the winding rope 514 wound around the middle of the limit frame 513 on both sides of the roller 511 will gradually relax, thereby achieving the purpose of lowering the hoisting frame 52, so that the hoisting frame 52 can be lowered. The two hooks 538 on both sides below can be brought close to the points to be hoisted on the rotating wheel, and then the third motor 532 is started to rotate the forward and reverse screw rods 531. At this time, the two second screw rod sleeves 533 acting in conjunction with the screw rods can lead the two guide frames 534 and the connecting chain 536 connected below and the hooks 538 to move relative to each other in cooperation with the guide rods 535, thereby adjusting the distance between the two hooks 538 to adapt to the hoisting and unloading of rotating wheels of different sizes. In addition, since a movable block 537 is provided between the connecting chain 536 and the hooks 538, the hooks 538 can be adjusted in relative position in cooperation with the hoisting holes on the rotating wheel.
[0028] All technical features in this embodiment can be freely combined according to actual needs.
[0029] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent replacements for some of the technical features therein. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.
Claims
1. A horizontal turbine runner disassembly tool, comprising a main body (1), characterized in that: Pre-installed grooves (2) are provided above both sides of the main body (1), and displacement mechanisms (3) are installed inside the two pre-installed grooves (2). The displacement mechanism (3) includes a first screw rod sleeve (33), and an upper mounting slide (4) is fixed around and above the first screw rod sleeve (33). An adapting mechanism (5) is installed inside and below the upper mounting slide (4). The adapting mechanism (5) includes a lifting component (51), and the lifting component (51) is installed inside the upper mounting slide (4). The lifting component (51) includes two winding ropes (514), and the ends of the two winding ropes (514) are connected to a hanging frame (52). An adjusting component (53) is installed inside and below the hanging frame (52).
2. The horizontal turbine runner disassembly tool according to claim 1, characterized in that: The lifting assembly (51) includes a roller (511), and the roller (511) is installed inside the upper slide (4). One end of the roller (511) is connected to a second motor (512), and limiting frames (513) are fixedly provided around both sides of the roller (511). A winding rope (514) is wound around the inner sides of the two limiting frames (513).
3. The horizontal turbine runner disassembly tool according to claim 2, characterized in that: The limiting frames (513) are symmetrically distributed along the vertical center axis of the roller (511).
4. The horizontal turbine runner disassembly tool according to claim 1, characterized in that: The adjustment assembly (53) includes a forward and reverse screw rod (531), and the forward and reverse screw rod (531) is installed at the lower part of the interior of the hanging frame (52), a third motor (532) is installed at one end of the forward and reverse screw rod (531), and second screw rod sleeves (533) are screwed on both sides of the middle part of the forward and reverse screw rod (531), and a guide frame (534) is fixed around the two second screw rod sleeves (533), a guide rod (535) is fixed on the upper part of the interior of the hanging frame (52), a connecting chain (536) is connected to the lower part of the two guide frames (534), and a movable block (537) is installed at the end of the two connecting chains (536), and a hook (538) is fixed below the movable block (537).
5. The horizontal turbine runner disassembly tool according to claim 4, characterized in that: The guide frame (534) and the guide rod (535) are connected in a movable guide manner.
6. The horizontal turbine runner disassembly tool according to claim 1, characterized in that: The displacement mechanism (3) includes a first transmission screw (31), and the first transmission screw (31) is installed inside one of the pre-installed slots (2), one end of the first transmission screw (31) is connected to a first motor (32), and a first screw sleeve (33) is screwed on one side of the first transmission screw (31), and a slide rod (34) is fixed inside the other pre-installed slot (2).
7. The horizontal turbine runner disassembly tool according to claim 6, characterized in that: The slide bar (34) and the upper slide frame (4) are connected in a movable guide manner.