Balancing instrument
By designing a static balance inspection tool and using components such as magnet rings and adjustment sleeves, the rapid and safe detection of the tilted position of the turf machine chassis blade is achieved, solving the problems of inaccurate detection and safety hazards in the prior art, and improving the accuracy and stability of the inspection.
Patent Information
- Application Number
- CN202420995395.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-09
- Publication Date
- 2025-05-09
- Estimated Expiration
- 2034-05-09
AI Technical Summary
The prior art is difficult to effectively detect and correct the tilt imbalance of the chassis blade of the lawn machine, resulting in increased vibration of the machine, shortened service life, and dynamic detection poses major safety hazards.
A static balance inspection tool is designed, including outer sleeve, top sleeve, support cone, adjustment sleeve, magnet ring, support kit, inner sleeve rod, ball bearing, positioning ring, ring bracket, support bottom ring, chassis, adjustment screw and screw mobile platform and other components. The magnet ring is closely attached to the blade, adjust the contact between the top cylinder and the chassis, and toggle the rotation of the chassis blade to achieve blade offset detection at different positions. The height of the magnet ring is adjusted by adjusting the threaded sleeve and the support cone to adapt to chassis blades of different opening sizes.
It realizes rapid and safe detection of the tilt position of the chassis blade, reducing safety risks, and through strong adaptability, it adapts to chassis blades of different opening sizes, improving the accuracy and stability of detection.
Smart Images

Figure CN222850207U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of balancing instruments, in particular to a balancing instrument. Background Art
[0002] Some symmetrical blades, such as the chassis blades of lawn mowers, will have their edges worn out after being used for a long time, which not only affects the cutting quality, but also causes the entire machine to vibrate more due to imbalance, and all components will be affected, thereby reducing the service life of the entire machine. The tilt balance of the chassis blade can be detected by a balancing instrument so that the tilted blade can be sharpened or corrected.
[0003] However, dynamic detection will have great safety risks. Therefore, it is urgent to design a universal static balance fixture with wide detection capabilities. Utility Model Content
[0004] In view of the deficiencies in the prior art, the utility model provides a balancing instrument to solve the problems mentioned in the above background.
[0005] The utility model provides the following technical solution: comprising: an outer sleeve, a top sleeve fixed on the top of the outer sleeve, and a supporting cone fixed on the top of the top sleeve.
[0006] Also includes:
[0007] A support kit is fixed in the groove supporting the cone;
[0008] An adjusting sleeve is sleeved outside the supporting cone, and a magnet ring is fixed on the top of the adjusting sleeve;
[0009] The inner sleeve rod is longitudinally sleeved in the cavity of the outer sleeve, and a plurality of groups of ball bearings are longitudinally spaced and distributed between the inner sleeve rod and the cavity of the outer sleeve;
[0010] The bottom sleeve is arranged below the outer sleeve.
[0011] Furthermore, an outer wall of the supporting cone is provided with an external thread, an inner thread matching the supporting cone is provided at the lower portion of the adjusting sleeve, and a handle is provided at the bottom wall of the adjusting sleeve.
[0012] Furthermore, the support sleeve is in a conical shape, and the top dimension of the support sleeve is smaller than the bottom dimension.
[0013] Furthermore, a supporting bottom ring is fixedly provided on the bottom wall of the bottom sleeve, an annular sliding groove is provided on the outside of the top sleeve, and a positioning sleeve ring is slidably installed in the annular sliding groove.
[0014] Furthermore, a plurality of groups of collar brackets distributed in an annular array are fixedly arranged between the bottom of the positioning collar and the supporting bottom ring.
[0015] Furthermore, a chassis is fixedly provided at the bottom of the supporting bottom ring, a chassis slot is provided on the surface of the chassis, and an adjusting screw rod is installed in the slot of the chassis slot.
[0016] Furthermore, one end of the adjusting screw rod extends outward through the chassis slot to provide a handle, and the outer sleeve of the adjusting screw rod is provided with a screw rod moving platform which slides in the slot extending from the chassis slot.
[0017] Furthermore, an inserting column is arranged on the top of the screw rod moving platform, an inserting bottom column is arranged on the outer sleeve of the inserting column, and an adjusting top cylinder is arranged on the external threaded sleeve of the inserting bottom column.
[0018] Compared with the prior art, the utility model has the following beneficial effects:
[0019] The present application can place the chassis flat on a horizontal plane, and make the central opening of the chassis blade to be tested be placed outside the support kit, and use the magnet ring to fit tightly against the blade. By adjusting the contact between the top of the top cylinder and the chassis blade and turning the rotation of the chassis blade, it is possible to obtain whether the blades in different positions are offset up and down, thereby quickly obtaining the tilt position of the chassis blade, realizing static balance detection, reducing safety hazards, and adjusting the height of the magnet ring by adjusting the threaded connection between the sleeve and the support cone, so that chassis blades with different opening sizes can be stably mounted outside the support kit, making the adaptability of the entire device stronger. BRIEF DESCRIPTION OF THE DRAWINGS
[0020] Figure 1 It is a schematic diagram of the structure of the utility model;
[0021] Figure 2 It is a partial cross-sectional view of the utility model;
[0022] Figure 3 This is an enlarged view of the grooved portion of the chassis of the utility model.
[0023] In the figure: 1. Outer sleeve; 2. Bottom sleeve; 3. Top sleeve; 4. Support cone; 5. Adjustment sleeve; 6. Magnet ring; 7. Support kit; 8. Inner sleeve rod; 9. Ball bearing; 10. Positioning ring; 11. Ring bracket; 12. Support bottom ring; 13. Chassis slot; 14. Adjustment screw; 15. Screw moving platform; 16. Insert bottom column; 17. Adjustment top sleeve; 18. Place chassis. DETAILED DESCRIPTION
[0024] 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.
[0025] See also Figure 1-3 , including: an outer sleeve 1, a top sleeve 3 fixed on the top of the outer sleeve 1, and a supporting cone 4 fixed on the top of the top sleeve 3, a cylindrical groove is set on the top of the supporting cone 4, and an upwardly protruding supporting kit 7 is fixed in the center of the cylindrical groove. The supporting kit 7 is conical in shape, and the size of the top is smaller than the size of the bottom. Through this structural design, the central opening of the chassis blade can be sleeved outside the supporting kit 7, and different opening sizes can be sleeved at different heights outside the supporting kit 7, so it has a strong adaptability.
[0026] The adjusting sleeve 5 is sleeved on the outside of the supporting cone 4, a magnet ring 6 is fixedly provided on the top of the adjusting sleeve 5, an external thread is provided on the outer wall of the supporting cone 4, an internal thread matched with the supporting cone 4 is provided on the lower part of the adjusting sleeve 5, and a handle is provided on the bottom wall of the adjusting sleeve 5. By operating the handle, the adjusting sleeve 5 is rotated along the external thread of the supporting cone 4, so that the adjusting sleeve 5 can be moved longitudinally, and the height of the magnet ring 6 can be changed. When chassis blades with different opening sizes are stuck outside the supporting kit 7, the magnet ring 6 with an annular structure can be made to fit tightly against the periphery of the chassis blade opening, thereby improving the stability of the chassis blade and improving the accuracy of subsequent balance detection.
[0027] The inner sleeve rod 8 is longitudinally arranged in the cavity of the outer sleeve 1, and a plurality of groups of ball bearings 9 are longitudinally spaced and distributed between the inner sleeve rod 8 and the cavity of the outer sleeve 1. The inner layer of the ball bearing 9 is connected to the outer wall of the inner sleeve rod 8, and the outer layer of the ball bearing 9 is connected to the inner wall of the cavity of the outer sleeve 1. The inner sleeve rod 8 and the outer sleeve 1 are rotatably connected through the connection of the ball bearings 9, and the inner sleeve rod 8 can be kept stationary when the outer sleeve 1 rotates. The bottom sleeve 2 is arranged below the outer sleeve 1, and the bottom sleeve 2 does not contact the outer sleeve 1. A socket is arranged at the top of the bottom sleeve 2, and the inner sleeve rod 8 extends downward through the outer sleeve 1. It is inserted into the insertion hole of the bottom sleeve 2 and is not fixed. In order to maintain the rotational stability of the outer sleeve 1 and the bottom sleeve 2, a supporting bottom ring 12 is fixedly provided on the bottom wall of the bottom sleeve 2, and an annular groove is opened on the outside of the top sleeve 3. A positioning ring 10 is slidably installed in the annular groove. A plurality of groups of ring brackets 11 distributed in an annular array are fixedly provided between the bottom of the positioning ring 10 and the supporting bottom ring 12. The positioning ring 10 and the supporting bottom ring 12 are fixedly connected through the plurality of groups of ring brackets 11, so that when the top sleeve 3 and the outer sleeve 1 rotate, the positioning ring 10 provides stable support for the outer sleeve 1 in a rotating state.
[0028] A disc-shaped placement chassis 18 is fixed at the bottom of the supporting bottom ring 12, and a chassis slot 13 is opened on the surface of the placement chassis 18. An adjusting screw 14 is installed horizontally in the slot of the chassis slot 13, wherein one end of the adjusting screw 14 is rotatably connected to the inner wall of the slot of the chassis slot 13, and the other end extends outward through the chassis slot 13 to provide a handle, and the chassis slot 13 can be driven to rotate by operating the handle, and a screw moving platform 15 sleeved outside the adjusting screw 14 is provided in the slot of the chassis slot 13, and the screw moving platform 15 is meshed with the adjusting screw 14, and the screw moving platform 15 can be driven to rotate along the slot of the chassis slot 13 by driving the chassis slot 13 to rotate. The top of the screw moving platform 15 is provided with a plug column, and the bottom of the plug-in bottom column 16 is provided with a socket adapted to the plug column. The plug-in bottom column 16 is vertically installed above the screw moving platform 15 through the plug column, and the top of the plug-in bottom column 16 is threadedly connected with the adjusting top cylinder 17. The height of the top of the adjusting top cylinder 17 can be adjusted by rotating the adjusting top cylinder 17, so that the top of the adjusting top cylinder 17 can be moved to a height that is about to contact the chassis blade, and then the chassis blade can be operated to rotate. As the chassis blade rotates, the position of the blade that is offset up and down will have a gap with the top of the adjusting top cylinder 17, and the blade offset correction operation can be performed at this position.
[0029] 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. A balancing instrument, comprising: An outer sleeve (1), a top sleeve (3) fixed on the top of the outer sleeve (1), and a supporting cone (4) fixed on the top of the top sleeve (3). It is characterized by further comprising: A support kit (7) is fixedly mounted in a groove supporting the cone (4); An adjusting sleeve (5) is sleeved outside the supporting cone (4), and a magnet ring (6) is fixedly provided on the top of the adjusting sleeve (5); An inner sleeve rod (8) is longitudinally sleeved in the cavity of the outer sleeve (1), and a plurality of groups of ball bearings (9) are longitudinally spaced and arranged between the inner sleeve rod (8) and the cavity of the outer sleeve (1); The bottom sleeve (2) is arranged below the outer sleeve (1).
2. A balancing instrument according to claim 1, characterized in that: The outer wall of the supporting cone (4) is provided with an external thread, the lower part of the adjusting sleeve (5) is provided with an internal thread matched with the supporting cone (4), and the bottom wall of the adjusting sleeve (5) is provided with a handle.
3. A balancing instrument according to claim 1, characterized in that: The support sleeve (7) is in a conical shape, and the top dimension of the support sleeve (7) is smaller than the bottom dimension.
4. A balancing instrument according to claim 1, characterized in that: A supporting bottom ring (12) is fixedly arranged on the bottom wall of the bottom sleeve (2), and an annular sliding groove is provided on the outside of the top sleeve (3), in which a positioning sleeve ring (10) is slidably installed.
5. A balancing instrument according to claim 1, characterized in that: A plurality of groups of collar brackets (11) distributed in an annular array are fixedly arranged between the bottom of the positioning collar (10) and the supporting bottom ring (12).
6. A balancing instrument according to claim 1, characterized in that: A chassis (18) is fixedly arranged at the bottom of the supporting bottom ring (12), a chassis slot (13) is provided on the surface of the chassis (18), and an adjusting screw rod (14) is installed in the slot of the chassis slot (13).
7. A balancing instrument according to claim 6, characterized in that: One end of the adjusting screw rod (14) passes through the chassis slot (13) and extends outward to provide a handle, and the outer portion of the adjusting screw rod (14) is sleeved with a screw rod moving platform (15) that slides in the slot extending into the chassis slot (13).
8. A balancing instrument according to claim 7, characterized in that: A plug column is arranged on the top of the screw rod moving platform (15), a plug-in base column (16) is arranged on the outer sleeve of the plug column, and an adjusting top cylinder (17) is arranged on the outer thread sleeve of the plug-in base column (16).