Improved guide vane rotation prevention mechanism

Abstract

The utility model discloses an improved guide vane rotation prevention mechanism which comprises a supporting seat and an electric telescopic rod, a containing groove is formed in the upper surface of the supporting seat, a guide vane body is placed in the containing groove, the improved guide vane rotation prevention mechanism further comprises a rotation prevention mechanism and a pressing mechanism, and the rotation prevention mechanism comprises a motor, a reverse lead screw and a limiting plate. The output end of the motor is connected with a reverse lead screw, limiting plates are installed at the left end and the right end of the surface of the reverse lead screw in a threaded mode, non-slip mats are installed on the inner side faces of the limiting plates, and the left end of the electric telescopic rod is connected with a supporting plate. According to the improved guide vane rotation preventing mechanism, guide vanes of different sizes can be limited by arranging the adjustable rotation preventing mechanism, the guide vanes are convenient to fix and machine, the stability of the guide vanes can be improved by arranging a reinforcing structure, the guide vanes are prevented from shifting, the vanes can be clamped and limited by arranging a clamping mechanism, a sponge pad is suitable for arc-shaped vanes, the contact area is increased, and the service life of the guide vanes is prolonged. The blade damage is prevented.

Description

Technical Field

[0001] The utility model relates to the technical field of guide vane processing, in particular to an improved guide vane rotation prevention mechanism. Background Art

[0002] Guide vanes are usually used in various pumps, mainly to convert the kinetic energy of the fluid into static pressure energy. In the process of producing guide vanes, the guide vanes need to be processed according to the size specifications of the pump to ensure the assembly quality. With the rapid development of science and technology, the guide vane processing mechanism has also become more diverse. In order to prevent the guide vanes from rotating and shifting during processing, a guide vane rotation prevention mechanism is needed to improve processing efficiency and quality.

[0003] For example, the patent document with the authorization announcement number CN219380172U discloses a grinding device for guide vane processing, including a workbench, an adjustment component is arranged above the workbench, the adjustment component includes a first support frame fixedly installed below the opposite side of two fixed plates, a screw is fixedly installed at the output end of the first support frame, a moving block is threadedly connected to the surface of the screw, a sliding rod is fixedly installed between the fixed plates and behind the screw, two first sliders are slidably connected to the surface of the sliding rod, a connecting plate is fixedly installed between the first slider and the corresponding moving blocks, an adjustment plate is fixedly installed on the top of the moving block, and a placement plate is fixedly installed on the opposite side of the two adjustment plates. The setting of the adjustment component solves the problem that the existing guide vane grinding device needs to replace the limit column stuck in the middle of the guide vane when fixing guide vanes of different sizes, thereby improving the practicality of the new device.

[0004] However, there are problems such as the guide vane is not stable and easy to rotate, which affects the processing quality and efficiency. The outer surface of the guide vane is set in an arc shape, and the contact area between the anti-rotation mechanism and the guide vane is small, which easily causes damage to the guide vane and is inconvenient to adjust the anti-rotation mechanism. Therefore, we propose an improved guide vane anti-rotation mechanism to solve the above problems. Utility Model Content

[0005] The purpose of the utility model is to provide an improved guide vane anti-rotation mechanism to solve the problems in the existing guide vane anti-rotation mechanism mentioned in the above background technology, that is, the guide vane limitation is unstable and easy to rotate, affecting the processing quality and efficiency, the outer surface of the guide vane is arc-shaped, the contact area between the anti-rotation mechanism and the guide vane is small, which can easily cause damage to the guide vane and is inconvenient to adjust the anti-rotation mechanism.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an improved guide vane rotation prevention mechanism, comprising a support seat and an electric telescopic rod, the upper surface of the support seat is provided with a placement groove, the guide vane body is placed inside the placement groove, and also includes an anti-rotation mechanism and a clamping mechanism, the anti-rotation mechanism includes a motor, a reverse screw rod, and a limit plate, the support seat is installed with a motor, the output end of the motor is connected to a reverse screw rod, the left and right ends of the reverse screw rod surface are both threadedly installed with limit plates, and the inner side of the limit plate is installed with an anti-slip pad;

[0007] The electric telescopic rod is installed in a slide groove inside the right end of the support seat, the left end of the electric telescopic rod is connected to a support plate, a slide groove is opened on the left side of the support plate, and a supporting plate is installed inside the slide groove.

[0008] Preferably, the limit plate forms a left-right sliding structure with the support seat through a motor and a reverse screw rod.

[0009] Preferably, the clamping mechanism comprises a support frame installed on the left end of the upper surface of the support seat, a hydraulic rod is installed on the lower surface of the support frame, and a pressure plate is installed on the lower end of the hydraulic rod.

[0010] Preferably, the front surface of the support plate is provided with positioning holes at equal intervals, and the support plate forms an up and down sliding structure with the support plate through the positioning holes and screws.

[0011] Preferably, an extension plate is installed on the outside of the supporting plate, and the extension plate forms a left-right sliding structure with the supporting plate through positioning holes and screws, and a clamping mechanism is installed on the upper end of the extension plate.

[0012] Preferably, the clamping mechanism includes a vertical plate, a threaded rod and a fixed plate, the upper surface of the extension plate is installed with the vertical plate, the upper end of the vertical plate is installed with a threaded rod, the lower end of the threaded rod is installed with a fixed plate, and the inner sides of the extension plate and the fixed plate are both installed with sponge pads.

[0013] Compared with the prior art, the beneficial effects of the utility model are: the improved guide vane rotation prevention mechanism;

[0014] 1. An adjustable anti-rotation mechanism is set up. The motor drives the reverse screw to rotate, thereby driving the limit plate to move left and right, so as to limit the guide vanes of different sizes and prevent the guide vanes from rotating, making it convenient to fix and process the guide vanes;

[0015] 2. A reinforcement structure is set up, and the hydraulic rod drives the pressure plate to descend, so as to achieve the effect of pressing and fixing the guide vane, which can increase the stability of the guide vane, prevent the guide vane from shifting, and further prevent the guide vane from rotating. The hydraulic rod drives the pressure plate to rise, which is convenient for removing the guide vane and the operation is convenient;

[0016] 3. Set up a clamping mechanism, and the threaded rod drives the fixed plate to move, so that the blade can be clamped and limited. The sponge pad is elastic and suitable for arc-shaped blades, which increases the contact area and prevents damage to the blade during clamping. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a schematic diagram of the front view structure of the utility model;

[0018] Figure 2 This is a schematic diagram of the front view cutaway structure of the utility model;

[0019] Figure 3 It is a right side structural schematic diagram of the utility model;

[0020] Figure 4 This is a schematic diagram of the cutaway structure of the utility model from the left side;

[0021] Figure 5 It is a schematic diagram of the cutaway structure of the utility model from above.

[0022] In the figure: 1. support seat; 2. placement slot; 3. guide vane body; 4. motor; 5. reverse screw; 6. limit plate; 7. anti-slip pad; 8. support frame; 9. hydraulic rod; 10. pressure plate; 11. electric telescopic rod; 12. support plate; 13. supporting plate; 14. extension plate; 15. sponge pad; 16. vertical plate; 17. threaded rod; 18. fixing plate. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0024] See also Figure 1-5 The utility model provides a technical solution: an improved guide vane rotation prevention mechanism, including a support seat 1, a placement slot 2, a guide vane body 3, a motor 4, a reverse screw 5, a limit plate 6, an anti-slip pad 7, a support frame 8, a hydraulic rod 9, a pressure plate 10, an electric telescopic rod 11, a support plate 12, a supporting plate 13, an extension plate 14, a sponge pad 15, a vertical plate 16, a threaded rod 17 and a fixing plate 18, such as Figure 1 and Figure 3As shown, a placement groove 2 is provided on the upper surface of the support seat 1, and the guide vane body 3 is placed in the placement groove 2. The support seat 1 supports and stabilizes the guide vane body 3. After the guide vane body 3 is placed, an installation groove is provided inside the support seat 1, and a motor 4 is installed in the installation groove. The output end of the motor 4 is connected to a reverse screw rod 5. The left and right ends of the surface of the reverse screw rod 5 are threadedly installed with limit plates 6. Turn on the motor 4, and the motor 4 drives the reverse screw rod 5 to rotate, thereby driving the limit plate 6 to move left and right. An anti-skid pad 7 is installed on the inner side of the limit plate 6. The anti-skid pad 7 on the inner side of the limit plate 6 is moved to be close to the outer surface of the guide vane body 3. The limit plate 6 limits the guide vane body 3, and the anti-skid pad 7 increases the friction force to prevent the guide vane body 3 from rotating.

[0025] like Figure 2 and Figure 4 As shown, a support frame 8 is installed at the left end of the upper surface of the support seat 1, a hydraulic rod 9 is installed on the lower surface of the support frame 8, and a pressing plate 10 is installed at the lower end of the hydraulic rod 9. When the hydraulic rod 9 is opened, the hydraulic rod 9 drives the pressing plate 10 to descend, and the pressing plate 10 is moved to be close to the upper surface of the guide vane body 3. The pressing plate 10 presses and fixes the guide vane body 3, thereby increasing the stability of the guide vane body 3 and further preventing the guide vane body 3 from rotating.

[0026] A slide groove is provided on the upper surface of the right end of the support seat 1, and an electric telescopic rod 11 is installed inside the slide groove. The end of the electric telescopic rod 11 is connected to a support plate 12. When the electric telescopic rod 11 is opened, the electric telescopic rod 11 drives the support plate 12 to move left and right. The position of the support plate 12 is adjusted according to the size of the guide vane body 3. A slide groove is provided on the left side of the support plate 12, and a supporting plate 13 is installed in the slide groove. Positioning holes are provided at equal intervals on the front surface of the support plate 12. Unscrew the screws on the front surface of the support plate 12, move the supporting plate 13 up and down, adjust the supporting plate 13 to a suitable position, align the screws with the corresponding positioning holes, tighten the screws, and fix the supporting plate 13 and the support plate 12;

[0027] like Figure 2 and Figure 5 As shown, an extension plate 14 is installed on the outside of the supporting plate 13, unscrew the screws on the front surface of the extension plate 14, pull the extension plate 14 left and right, move the extension plate 14 to a suitable position, and then fix the extension plate 14 and the supporting plate 13 with screws, and a vertical plate 16 is installed on the upper surface of the extension plate 14, and a threaded rod 17 is threadedly installed on the upper end of the vertical plate 16, and a fixing plate 18 is installed on the lower end of the threaded rod 17. The threaded rod 17 is rotated, and the threaded rod 17 drives the fixing plate 18 to move downward, and the fixing plate 18 is moved to be close to the upper surface of the guide vane body 3, and the fixing plate 18 limits the blades. The inner sides of the extension plate 14 and the fixing plate 18 are both installed with sponge pads 15, and the sponge pads 15 are elastic and suitable for the arc-shaped guide vane body 3, so as to increase the contact area with the guide vane body 3 and prevent the blades from being damaged during clamping.

[0028] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An improved guide vane rotation prevention mechanism, comprising a support seat (1) and an electric telescopic rod (11), wherein a placement groove (2) is provided on the upper surface of the support seat (1), and a guide vane body (3) is placed inside the placement groove (2), characterized in that: It also includes an anti-rotation mechanism and a clamping mechanism, the anti-rotation mechanism including a motor (4), a reverse screw rod (5), and a limit plate (6), the motor (4) is installed inside the support seat (1), the output end of the motor (4) is connected to the reverse screw rod (5), the limit plates (6) are threadedly installed on the left and right ends of the surface of the reverse screw rod (5), and the inner side of the limit plate (6) is installed with an anti-slip pad (7); The electric telescopic rod (11) is installed in a slide groove inside the right end of the support seat (1); the left end of the electric telescopic rod (11) is connected to a support plate (12); a slide groove is provided on the left side of the support plate (12), and a supporting plate (13) is installed inside the slide groove.

2. The improved guide vane rotation prevention mechanism according to claim 1, characterized in that: The limit plate (6) forms a left-right sliding structure with the support seat (1) through the motor (4) and the reverse screw rod (5).

3. The improved guide vane rotation prevention mechanism according to claim 1, characterized in that: The clamping mechanism comprises a support frame (8) mounted on the left end of the upper surface of the support seat (1), a hydraulic rod (9) mounted on the lower surface of the support frame (8), and a pressing plate (10) mounted on the lower end of the hydraulic rod (9).

4. The improved guide vane rotation prevention mechanism according to claim 1, characterized in that: The front surface of the support plate (12) is provided with positioning holes at equal intervals, and the support plate (13) forms an up-and-down sliding structure with the support plate (12) through the positioning holes and screws.

5. The improved guide vane rotation prevention mechanism according to claim 4, characterized in that: An extension plate (14) is installed outside the supporting plate (13); the extension plate (14) forms a left-right sliding structure with the supporting plate (13) through positioning holes and screws; a clamping mechanism is installed at the upper end of the extension plate (14).

6. The improved guide vane rotation prevention mechanism according to claim 5, characterized in that: The clamping mechanism comprises a vertical plate (16), a threaded rod (17) and a fixed plate (18); the vertical plate (16) is installed on the upper surface of the extension plate (14); the threaded rod (17) is installed on the upper end of the vertical plate (16); the fixed plate (18) is installed on the lower end of the threaded rod (17); and the inner side surfaces of the extension plate (14) and the fixed plate (18) are both installed with sponge pads (15).

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