Blade guide rolling device for static frequency detection of dust collector blade

Abstract

A blade guide rolling device for static frequency detection of dust collector blades comprises a main body, a wheel groove is formed in the main body, a base is arranged at the bottom of the wheel groove, a plurality of rolling wheels are placed on the base, a cover plate is arranged above the base, and a plurality of kidney-shaped grooves and guide blocks are correspondingly arranged on the base and the cover plate. The guide blocks are located on the two sides of an opening in the top of the wheel groove, a plurality of transverse sliding holes are formed in the guide blocks, bolts are arranged in the transverse sliding holes, pressing plates are arranged on the inner sides of the guide blocks, limiting blocks and a sound insulation device are arranged on the rear sides of the guide blocks, the sound insulation device is located on the main body, and the sound insulation device comprises a mounting groove and a sound insulation cover. The sound insulation device is additionally arranged above the main body, and the sound insulation cover made of acoustic transparent plastic isolates external sound, so that the interference of the outside to the test is reduced, and the accuracy of the test result is enhanced.

Description

Technical Field

[0001] The utility model belongs to the technical field related to guide rolling devices, and in particular relates to a blade guide rolling device used for static frequency detection of vacuum cleaner blades. Background Art

[0002] In engineering, static frequency testing involves applying static forces to a structure or component and monitoring the vibration response to evaluate its structural characteristics and performance. In vacuum cleaner blade testing, static frequency testing can help analyze the blade's strength, stiffness, and vibration characteristics. The blade guide roller device used in static frequency testing is a technical device used to evaluate the vibration characteristics of vacuum cleaner blades. However, during testing, external interference can affect the test results. Utility Model Content

[0003] The purpose of the utility model is to provide a blade guide rolling device for static frequency detection of vacuum cleaner blades, so as to solve the problem in the above background technology that the detection may be affected by external interference and the detection result may be affected.

[0004] To achieve the above objectives, the present invention provides the following technical solutions:

[0005] A blade guide rolling device for detecting static frequency of vacuum cleaner blades, comprising:

[0006] A main body, wherein a wheel groove is provided on the main body, a base is provided at the bottom of the wheel groove, a plurality of rollers are placed on the base, a cover is provided above the base, and a plurality of waist-shaped grooves are correspondingly provided on the base and the cover;

[0007] Guide blocks, the guide blocks are located on both sides of the top opening of the wheel groove, the guide blocks are provided with a plurality of transverse sliding holes, the transverse sliding holes are provided with bolts, the inner side of the guide blocks is provided with a pressure plate, and the rear side of the guide blocks is provided with a limit block;

[0008] A sound insulation device is located on the main body and includes a mounting groove and a sound insulation cover.

[0009] As an optional embodiment, a cavity is provided on both sides of the main body, the cavity is located outside the guide block, and a rectangular opening is provided on the top of the cavity.

[0010] As an optional embodiment, a mounting groove is provided on the top surface of the main body and on the inner side of the cavity. The mounting groove is a rectangular groove body that vertically passes through the top surface of the main body. The mounting groove is located between the cavity and the guide block. A hollow cavity is provided between the mounting groove and the cavity. The hollow cavity connects the mounting groove and the cavity, and the length of the hollow cavity is less than the length of the cavity.

[0011] As an optional embodiment, a spring is provided inside the cavity, and a slider is provided on the inner side of the spring. The slider can only slide in the cavity. A pull block is provided above the slider, and the bottom end of the pull block is fixedly connected to the top end of the slider. The top end of the pull block passes through the rectangular opening and is located above the main body. A blocking block is provided on the inner side of the slider, and one end of the blocking block is fixedly connected to the inner end of the slider, and the other end of the blocking block can pass through the hollow cavity and be located in the mounting groove.

[0012] As an optional embodiment, a sound insulation cover is provided above the main body, and both side edges of the sound insulation cover can be inserted into the installation grooves. Card slots are provided at the bottoms of both side edges of the sound insulation cover, and blocking blocks can be inserted into the card slots. A rotating plate is provided on the front of the sound insulation cover, and the top of the rotating plate is rotatably connected to the top of the sound insulation cover through a rotating shaft, and a handle is provided on the front of the rotating plate.

[0013] As an optional embodiment, a plurality of grooves are provided on the inner side of the pressure plate, a round rod is provided in the groove, the round rod is vertically fixed in the groove, a bearing is provided on the middle rod body of the round rod, the inside of the bearing is fixedly connected to the rod body of the round rod, a wheel is provided on the outer side of the bearing, the inner side of the wheel is fixedly connected to the outer side of the bearing, and the wheel can rotate on the round rod through the bearing.

[0014] As an optional embodiment, the base is a concave-shaped plate, and a plurality of downward-opening lower semicircular grooves are provided on both sides of the top of the base, and a plurality of downward-opening upper semicircular grooves are provided on both sides of the bottom of the cover plate. The lower semicircular grooves and the upper semicircular grooves are arranged correspondingly, and the two ends of the roller are supported and limited by the lower semicircular grooves and the upper semicircular grooves, and the cover plate is fixed to the base by screwing.

[0015] Compared with the prior art, the present invention provides a blade guide rolling device for detecting the static frequency of vacuum cleaner blades, which has the following beneficial effects:

[0016] 1. Reduce external influences: By adding a sound insulation device above the main body and using a soundproof cover made of acoustically transparent plastic to isolate external sounds, external interference to the test is reduced and the accuracy of the test results is enhanced.

[0017] 2. Easy to install and disassemble: Pull the block outward to make the blocking block retract into the hollow cavity, then insert the two sides of the sound insulation cover into the installation groove and release the block. The spring will push the blocking block to the card slots on both sides of the bottom of the sound insulation cover for fixation. Conversely, after pulling the block outward, the sound insulation cover can be removed. At the same time, the handle can be pulled to rotate the rotating plate on the front of the sound insulation cover to facilitate placing the blade in the wheel groove for testing. This device is easy to install and disassemble quickly.

[0018] 3. Reduce friction: By adding multiple rotatable wheels on the pressure plate, the friction can be reduced when the blade moves, and the protection of the blade surface is strengthened to prevent wear. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic diagram of the front sectional plan structure of the present invention.

[0020] Figure 2 It is a schematic diagram of the top plan structure of the utility model.

[0021] Figure 3 It is a schematic diagram of the right side planar structure of the bottom plate of the present invention.

[0022] Figure 4 This is a schematic diagram of the front sectional plan structure of the sound insulation device of the present invention.

[0023] Figure 5 It is a schematic diagram of the three-dimensional structure of the sound insulation cover of the present utility model.

[0024] Figure 6 This is a schematic diagram of the front cross-sectional plan structure of the wheel of the utility model

[0025] In the figure: 1. Main body; 2. Wheel groove; 3. Base; 31. Lower semicircular groove; 4. Cover plate; 41. Upper semicircular groove; 5. Roller; 6. Guide block; 61. Horizontal sliding hole; 7. Bolt; 8. Pressure plate; 9. Waist-shaped groove; 10. Limit block; 11. Cavity; 12. Hollow cavity; 13. Rectangular opening; 14. Spring; 15. Slider; 16. Pull block; 17. Stop block; 18. Mounting groove; 19. Soundproof cover; 20. Slot; 21. Rotating plate; 22. Rotating shaft; 23. Handle; 24. Groove; 25. Round rod; 26. Bearing; 27. Wheel. DETAILED DESCRIPTION

[0026] 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.

[0027] The utility model provides Figure 1-6 shown

[0028] A blade guide rolling device for static frequency detection of vacuum cleaner blades includes a main body 1, a wheel groove 2 is provided on the main body 1, a base 3 is provided at the bottom of the wheel groove 2, the base 3 is a concave plate, and a plurality of upward-opening lower semicircular grooves 31 are provided on both sides of the top of the base 3. A plurality of rollers 5 are placed on the base 3, and the two ends of the rollers 5 are supported by the lower semicircular grooves 31. A cover plate 4 is provided above the base 3, and a plurality of downward-opening upper semicircular grooves 41 are provided on both sides of the bottom of the cover plate 4. The lower semicircular grooves 31 and the upper semicircular grooves 41 are correspondingly arranged, and the two ends of the roller 5 are jointly supported and limited by the lower semicircular grooves 31 and the upper semicircular grooves 41, and the cover plate 4 is fixed to the base 3 by screws. A plurality of waist-shaped grooves 9 are correspondingly provided on the base 3 and the cover plate 4. The waist-shaped grooves 9 are used to avoid the double plungers of the blade static frequency test equipment so as not to affect the frequency measurement of the equipment; a guide block 6, the guide block 6 is used to guide the rolling entry of the blade, the guide block 6 is located on both sides of the top opening of the wheel groove 2, a plurality of transverse sliding holes 61 are provided on the guide block 6, and bolts 7 are provided in the transverse sliding holes 61. The bolts 7 are screwed on the top of the main body 1. When the bolts 7 are loosened, the guide block 6 can slide and adjust its position through the transverse sliding holes 61. After adjustment, the bolts 7 are tightened to fix the guide block 6. A pressure plate 8 is provided on the inner side of the guide block 6. The pressure plate 8 is used to prevent the surface of the blade from being scratched. A limit block 10 is provided on the rear side of the guide block 6. The limit block 10 is fixed to the top of the main body 1 by screws. The limit block 10 is used to limit the frequency measurement position of the blade; a sound insulation device, the sound insulation device is used to reduce the influence of the outside world on the blade static frequency test and enhance the accuracy of the data. The sound insulation device is located on the main body 1 and includes a mounting slot 18 and a sound insulation cover 19. When in use, the blade is placed from the front of the wheel groove 2, and the root of the blade is placed above the roller 5. The blade can move inward through the roller 5. At this time, the guide block 6 and the pressure plate 8 above the main body 1 will guide the movement of the blade and protect the surface of the blade from being scratched. When the blade moves inward, it will be blocked by the limit block 10. At this time, the blade static frequency detection can be started. After the blade static frequency detection is completed, the blade can be moved out of the wheel groove 2.

[0029] like Figure 1 and Figure 4 As shown, both sides of the main body 1 are provided with cavities 11, and the cavity 11 is located outside the guide block 6. The top of the cavity 11 is provided with a rectangular opening 13. The top surface of the main body 1 and the inner side of the cavity 11 are provided with a mounting groove 18. The mounting groove 18 is a rectangular groove body that vertically passes through the top surface of the main body 1. The mounting groove 18 is located between the cavity 11 and the guide block 6. A hollow cavity 12 is provided between the mounting groove 18 and the cavity 11. The hollow cavity 12 connects the mounting groove 18 and the cavity 11. The length of the hollow cavity 12 is less than the length of the cavity 11. Figure 4As shown, a spring 14 is provided inside the cavity 11, and a slider 15 is provided inside the spring 14. The slider 15 can only slide in the cavity 11. A pull block 16 is provided above the slider 15. The bottom end of the pull block 16 is fixedly connected to the top end of the slider 15. The top end of the pull block 16 passes through the rectangular opening 13 and is located above the main body 1. A blocking block 17 is provided inside the slider 15. One end of the blocking block 17 is fixedly connected to the inner end of the slider 15, and the other end of the blocking block 17 can pass through the hollow cavity 12 and be located in the mounting groove 18. Figure 4 As shown, a soundproof cover 19 is provided above the main body 1. The material of the soundproof cover 19 is acoustic transparent plastic. Acoustic transparent plastic is a transparent plastic material with sound insulation function. The two sides of the soundproof cover 19 can be inserted into the installation groove 18. The bottom of the two sides of the soundproof cover 19 is provided with a card slot 20. The blocking block 17 can be inserted into the card slot 20. By pulling the pull block 16 outward, the other end of the blocking block 17 is retracted into the hollow cavity 12. At this time, the spring 14 is compressed, and then the two sides of the soundproof cover 19 are inserted into the installation groove 18. Then, the pull block 16 is released, and the spring 14 will push the blocking block 17 into the card slot 20 to fix the soundproof cover 19. Figure 5 As shown, a rotating plate 21 is provided on the front of the soundproof cover 19. The rotating plate 21 is made of acoustically transparent plastic. The top of the rotating plate 21 is rotatably connected to the top of the soundproof cover 19 via a rotating shaft 22. A handle 23 is provided on the front of the rotating plate 21. By pulling the handle 23, the rotating plate 21 can be opened to facilitate placement of the blade on the front of the wheel groove 2. This arrangement protects the blade inside the soundproof cover 19, greatly reducing the impact of external factors on the test and enhancing the accuracy of the test results.

[0030] like Figure 6 As shown, the inner side of the pressure plate 8 is provided with a plurality of grooves 24, and a round rod 25 is provided in the groove 24. The round rod 25 is vertically fixed in the groove 24. A bearing 26 is provided on the middle rod body of the round rod 25. The inner side of the bearing 26 is fixedly connected to the rod body of the round rod 25. A wheel 27 is sleeved on the outer side of the bearing 26. The inner side of the wheel 27 is fixedly connected to the outer side of the bearing 26. The wheel 27 can rotate on the round rod 25 through the bearing 26. By providing multiple wheels 27 on the pressure plate 8, the friction generated when guiding the blades can be reduced, saving effort and further protecting the surface of the blades from wear.

[0031] 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 blade guide rolling device for detecting static frequency of vacuum cleaner blades, characterized in that: include: A main body (1), wherein a wheel groove (2) is provided on the main body (1), a base (3) is provided at the bottom of the wheel groove (2), a plurality of rollers (5) are placed on the base (3), a cover plate (4) is provided above the base (3), and a plurality of waist-shaped grooves (9) are correspondingly provided on the base (3) and the cover plate (4); A guide block (6), the guide block (6) is located on both sides of the top opening of the wheel groove (2), a plurality of transverse sliding holes (61) are provided on the guide block (6), bolts (7) are provided in the transverse sliding holes (61), a pressure plate (8) is provided on the inner side of the guide block (6), and a limit block (10) is provided on the rear side of the guide block (6); A sound insulation device is provided, the sound insulation device being located on a main body (1), and comprising a mounting groove (18) and a sound insulation cover (19).

2. The blade guide rolling device for detecting static frequency of vacuum cleaner blades according to claim 1, characterized in that: Both sides of the main body (1) are provided with cavities (11), the cavities (11) are located outside the guide block (6), and the top of the cavities (11) is provided with a rectangular opening (13).

3. The blade guide rolling device for detecting static frequency of vacuum cleaner blades according to claim 2, characterized in that: The top surface of the main body (1) and the inner side of the cavity (11) are both provided with a mounting groove (18), the mounting groove (18) being a rectangular groove body vertically penetrating the top surface of the main body (1), the mounting groove (18) being located between the cavity (11) and the guide block (6), a hollow cavity (12) being provided between the mounting groove (18) and the cavity (11), the hollow cavity (12) connecting the mounting groove (18) and the cavity (11), and the length of the hollow cavity (12) being less than the length of the cavity (11).

4. The blade guide rolling device for detecting static frequency of vacuum cleaner blades according to claim 3, characterized in that: A spring (14) is provided inside the cavity (11), and a slider (15) is provided on the inner side of the spring (14). The slider (15) can only slide in the cavity (11). A pull block (16) is provided above the slider (15). The bottom end of the pull block (16) is fixedly connected to the top end of the slider (15). The top end of the pull block (16) passes through the rectangular opening (13) and is located above the main body (1). A blocking block (17) is provided on the inner side of the slider (15). One end of the blocking block (17) is fixedly connected to the inner end of the slider (15), and the other end of the blocking block (17) can pass through the hollow cavity (12) and be located in the mounting groove (18).

5. The blade guide rolling device for detecting static frequency of vacuum cleaner blades according to claim 4, characterized in that: A soundproof cover (19) is provided above the main body (1), and both sides of the soundproof cover (19) can be inserted into the installation groove (18). The bottoms of both sides of the soundproof cover (19) are provided with card slots (20), and the blocking blocks (17) can be inserted into the card slots (20). A rotating plate (21) is provided on the front of the soundproof cover (19), and the top end of the rotating plate (21) is rotatably connected to the top of the soundproof cover (19) through a rotating shaft (22). A handle (23) is provided on the front of the rotating plate (21).

6. The blade guide rolling device for detecting static frequency of vacuum cleaner blades according to claim 1, characterized in that: The inner side of the pressure plate (8) is provided with a plurality of grooves (24), and a round rod (25) is provided in the groove (24). The round rod (25) is vertically fixed in the groove (24). A bearing (26) is provided on the middle rod body of the round rod (25). The interior of the bearing (26) is fixedly connected to the rod body of the round rod (25). A wheel (27) is sleeved on the outer side of the bearing (26). The inner side of the wheel (27) is fixedly connected to the outer side of the bearing (26). The wheel (27) can rotate on the round rod (25) through the bearing (26).

7. The blade guide rolling device for detecting static frequency of vacuum cleaner blades according to claim 1, characterized in that: The base (3) is a concave-shaped plate. A plurality of upwardly opening lower semicircular grooves (31) are provided on both sides of the top of the base (3). A plurality of downwardly opening upper semicircular grooves (41) are provided on both sides of the bottom of the cover plate (4). The lower semicircular grooves (31) and the upper semicircular grooves (41) are arranged correspondingly. The two ends of the roller (5) are supported and limited by the lower semicircular grooves (31) and the upper semicircular grooves (41). The cover plate (4) is fixed on the base (3) by screws.

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