Gear crack identification equipment

By designing gear crack identification equipment including frame, detection table, rotating mechanism and clamping structure, the problem that existing equipment cannot detect cracks inside the tooth root is solved, efficient identification and stable detection of internal cracks in the gear is achieved, and the improvement of the improvement of the Test quality and adaptability.

CN222144893UActive Publication Date: 2024-12-10CHANGZHOU HANXIANG MASCH MFG CO LTD
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Patent Information

Application Number
CN202323529706.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2023-12-25
Publication Date
2024-12-10
Estimated Expiration
2033-12-25

AI Technical Summary

Technical Problem

Existing gear crack identification equipment cannot detect the inside of the tooth root, and cannot meet the detection requirements of the gears for fine cracks to expand under long-term wear or load, affecting the detection quality.

Method used

A gear crack identification device including a frame, a detection table, a rotating mechanism and a clamping structure is designed. The position adjustment is performed by driving the detection probe by a servo motor, and combined with the rotating mechanism and a clamping structure, the stable fixation of the gear body and 360 are achieved. Degree detection ensures that the probe can effectively detect cracks inside the gear.

Benefits of technology

It realizes effective identification of internal cracks in gears, improves detection quality and practicality, can adapt to the detection needs of gears of different sizes, and solves the problem of inability to detect internal cracks in the tooth root.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to gear crack identification equipment, which comprises a rack, a detection table fixedly arranged at the top of the rack, a controller fixedly arranged on the side wall of the rack and an object placing table arranged above the detection table, a gear body is arranged above the object placing table, a detection structure for detecting the gear body is arranged on the rack, and the detection structure is arranged on the rack. A rotating mechanism for rotating the object placing table is arranged in the rack; the detection structure is composed of an installation frame and a detection probe, the detection probe is detachably installed on the side, close to the storage table, of the installation frame, a servo motor is fixedly installed on the side wall of the rack, and a lead screw extending into the rack is fixedly installed on an output shaft of the servo motor. According to the gear crack identification equipment, through cooperative use of the detection structure and the rotating mechanism, detection of the gear body is realized, and a worker can effectively identify and detect the gear crack, so that the gear crack identification equipment has the advantages of high practicability, good detection effect and the like.
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Description

Technical Field

[0001] The utility model relates to the technical field of gear detection, in particular to a gear crack identification device. Background Art

[0002] Gears have the advantages of precise transmission, compact structure and reliable operation. They are mainly used to transmit kinetic energy inside machines. In order to ensure the normal operation of gears, crack identification equipment is needed to identify whether there are cracks in the gears.

[0003] After searching, the patent document with announcement number CN219532883U discloses a gear crack identification device, including a base, a vertical plate and a clip. The middle of the two side edges of the base are connected with vertical plates, and the two vertical plates are provided with a first slide groove along their length direction. A slider is slidably arranged in the first slide groove, and a first spring is connected between the bottom of the slider and the bottom groove wall of the first slide groove. Mounting plates are arranged on the opposite sides of the two sliders, and a hydraulic cylinder is installed on the mounting plate. A clip is installed at one end of the output shaft of the hydraulic cylinder, and a placement plate is arranged above the base. The utility model utilizes the slider to slide downward in the first slide groove to drive the gear to move down and press it onto the paper on the placement plate to print out the outline for crack identification.

[0004] However, the utility model gear crack identification device can only detect the gear surface but cannot detect inside the tooth root. Because the gear has been ground for a long time or is overloaded, small cracks appear in the tooth root at first. However, as time goes by, the small cracks in the tooth root will slowly expand like fatigue cracks, which seriously affects the detection quality of the gear and cannot meet the use requirements. Therefore, a gear crack identification device is proposed to solve the above problems. Utility Model Content

[0005] In view of the deficiencies in the prior art, the utility model provides a gear crack identification device, which has the advantages of strong practicability and good detection effect, and solves the problem of being unable to detect inside the tooth root.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a gear crack identification device, comprising a frame, a detection table fixedly mounted on the top of the frame, a controller fixedly mounted on the side wall of the frame, and a storage table arranged above the detection table, a gear body is arranged above the storage table, a detection structure for detecting the gear body is arranged on the frame, and a rotating mechanism for rotating the storage table is arranged inside the frame;

[0007] The detection structure is composed of a mounting frame and a detection probe, the detection probe is detachably mounted on a side of the mounting frame close to the storage table, a servo motor is fixedly mounted on the side wall of the frame, a lead screw extending into the interior of the frame is fixedly mounted on the output shaft of the servo motor, and the external thread of the lead screw is connected to a movable seat fixed to the bottom of the mounting frame;

[0008] The rotating mechanism includes a telescopic cylinder, a rotating shaft, a toothed plate and a driven gear. The toothed plate is fixedly mounted on the output end of the telescopic cylinder, the driven gear is fixedly mounted on the outside of the rotating shaft, and a mounting block fixed to the lower surface of the storage table is welded to the top end of the rotating shaft.

[0009] Furthermore, a clamping structure for clamping the gear body is provided inside the storage table, and the clamping structure includes a knob and two clamps provided outside the storage table, a screw extending to the inside of the storage table is welded on the side of the knob close to the gear body, and the external thread of the screw is connected to two symmetrically distributed connecting blocks, and the two clamps are respectively fixedly installed on the upper surfaces of the two connecting blocks.

[0010] Furthermore, the threads on the screw rod are opposite, a first sliding groove is provided inside the storage platform, and two connecting blocks are slidably connected to the first sliding groove.

[0011] Furthermore, the number of detection probes in the detection structure is two, the appearance of the mounting frame is L-shaped, and the top detection probe is located above the storage table.

[0012] Furthermore, the frame and the testing platform are both provided with a second slide groove and a rotating hole, the movable seat extends to the outside of the testing platform through the second slide groove, and the lead screw is rotationally connected to the inside of the frame.

[0013] Furthermore, the number of telescopic cylinders and tooth plates in the rotating mechanism is two, and the two tooth plates are symmetrically arranged outside the driven gear, and the driven gear is meshed with the two tooth plates, and the top end of the rotating shaft extends to the outside of the detection platform through the rotating hole.

[0014] Furthermore, the two telescopic cylinders are fixedly mounted on the inner wall on the opposite side of the frame, the bottom end of the rotating shaft is connected to the inner bottom wall bearing of the frame, and the lower surfaces of the two tooth plates are fixedly mounted with sliders slidably connected to the inner bottom wall of the frame.

[0015] Furthermore, a guiding limiting component is provided at the bottom of the storage table.

[0016] Compared with the prior art, the present invention provides a gear crack identification device having the following features:

[0017] Beneficial effects:

[0018] 1. The gear crack identification equipment realizes the detection of the gear body through the coordinated use of the detection structure and the rotating mechanism, which is convenient for the staff to effectively identify and detect the cracks in the gear and improve the detection quality of the gear, thereby achieving the advantages of strong practicality and good detection effect, and solving the problem of being unable to detect inside the tooth root.

[0019] 2. The gear crack identification equipment fixes the gear body through a clamping structure to prevent the rotation mechanism from shifting the gear body when adjusting its rotation, thereby achieving a stable detection effect. The position of the detection probe can be adjusted by the drive of a servo motor, thereby facilitating the detection of gears of different sizes and improving the practicability of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a three-dimensional diagram of the structure of the utility model;

[0021] Figure 2 It is a cross-sectional view of a part of the structure of the utility model;

[0022] Figure 3 This is a schematic diagram of the structure of the meshing of the tooth plate and the driven gear of the utility model;

[0023] Figure 4 For this utility model Figure 1 A is a schematic diagram of the enlarged structure shown.

[0024] In the figure: 1. frame; 2. detection table; 3. controller; 4. storage table; 5. gear body; 6. knob; 7. screw; 8. fixture; 9. connecting block; 10. first slide slot; 11. mounting frame; 12. detection probe; 13. servo motor; 14. lead screw; 15. moving seat; 16. telescopic cylinder; 17. rotating shaft; 18. tooth plate; 19. driven gear; 20. mounting block; 21. slider; 22. limit assembly. DETAILED DESCRIPTION

[0025] 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.

[0026] See also Figure 1-4A gear crack identification device includes a frame 1, a detection table 2 fixedly installed on the top of the frame 1, a controller 3 fixedly installed on the side wall of the frame 1 and a storage table 4 arranged above the detection table 2, a gear body 5 is arranged above the storage table 4, and a clamping structure for clamping the gear body 5 is arranged inside the storage table 4, the clamping structure includes a knob 6 and two clamps 8 arranged outside the storage table 4, a screw 7 extending to the inside of the storage table 4 is welded on one side of the knob 6 close to the gear body 5, and the external thread of the screw 7 is connected with two symmetrically distributed connecting blocks 9, and the two clamps 8 are fixedly installed on the upper surfaces of the two connecting blocks 9 respectively.

[0027] The threads on the screw rod 7 are opposite, a first slide groove 10 is provided inside the storage platform 4, and two connecting blocks 9 are slidably connected to the first slide groove 10. By setting the threads on the screw rod 7 opposite, the two clamps 8 can be close to or separated when the screw rod 7 rotates, thereby fixing the gear body 5, and it is also convenient to clamp and fix gear bodies 5 of different sizes. The top end of the screw rod 7 is connected to the inner wall bearing of the first slide groove 10 away from the knob 6.

[0028] In this embodiment, a detection structure for detecting the gear body 5 is provided on the frame 1, and the detection structure is composed of a mounting frame 11 and a detection probe 12. The detection probe 12 is detachably mounted on a side of the mounting frame 11 close to the storage table 4. A servo motor 13 is fixedly mounted on the side wall of the frame 1. The output shaft of the servo motor 13 is fixedly mounted with a lead screw 14 extending to the interior of the frame 1, and the external thread of the lead screw 14 is connected to a movable seat 15 fixed to the bottom of the mounting frame 11.

[0029] It should be noted that there are two detection probes 12 in the detection structure, the mounting frame 11 is L-shaped, and the top detection probe 12 is located above the storage table 4. The detection probe 12 is a high-definition camera. The gear body 5 is tested for cracks through two sets of detection probes 12, and the detection results can be viewed by the staff through the display screen of the controller 3.

[0030] The frame 1 and the detection platform 2 are both provided with a second slide groove and a rotating hole, the movable seat 15 extends to the outside of the detection platform 2 through the second slide groove, and the lead screw 14 is rotatably connected to the inside of the frame 1. A guide structure for guiding the movable seat 15 is provided inside the frame 1, so that the servo motor 13 can linearly adjust the detection probe 12.

[0031] In this embodiment, a rotating mechanism for rotating the storage table 4 is arranged inside the frame 1; the rotating mechanism includes a telescopic cylinder 16, a rotating shaft 17, a gear plate 18 and a driven gear 19, the gear plate 18 is fixedly mounted on the output end of the telescopic cylinder 16, the driven gear 19 is fixedly mounted on the outside of the rotating shaft 17, and the top end of the rotating shaft 17 is welded with a mounting block 20 fixed to the lower surface of the storage table 4.

[0032] Among them, the number of telescopic cylinders 16 and tooth plates 18 in the rotating mechanism is two, and the two tooth plates 18 are symmetrically arranged outside the driven gear 19, and the driven gear 19 is meshed with the two tooth plates 18, and the top end of the rotating shaft 17 extends to the outside of the detection platform 2 through the rotating hole.

[0033] In addition, two telescopic cylinders 16 are fixedly installed on the inner wall of the opposite side of the frame 1, the bottom end of the rotating shaft 17 is connected to the inner bottom wall bearing of the frame 1, and the lower surfaces of the two tooth plates 18 are fixedly installed with sliders 21 that are slidably connected to the inner bottom wall of the frame 1.

[0034] In this embodiment, a guiding limit assembly 22 is provided at the bottom of the storage platform 4. The limit assembly 22 consists of a guide rod and a limit groove. There are two guide rods, and the two guide rods are symmetrically fixedly installed on the lower surface of the storage platform 4. The limit groove is opened inside the detection platform 2, and the two guide rods are slidably connected to the limit groove. Through the guidance of the limit assembly 22, the rotation mechanism is ensured to stably adjust the storage platform 4.

[0035] It should be noted that an oil hole is provided in the limit groove, and lubricating oil can be regularly injected into the limit groove to improve the moving effect. The output distance of the telescopic cylinder 16 is long enough to rotate the rotating shaft 17 360 degrees back and forth.

[0036] The working principle of the above embodiment is:

[0037] First, place the gear body 5 on the storage table 4, turn the knob 6 to drive the screw 7 to rotate. Since the threads on the screw 7 are opposite, the two clamps 8 are separated and pressed against the inner wall of the gear body 5 to fix the gear body 5. Then start the servo motor 13 to move the detection probe 12 close to the gear body 5. After the position adjustment is completed, the gear body 5 is tested for cracks through two sets of detection probes 12. The staff checks it through the display screen of the controller 3, and then starts the telescopic cylinder 16 to drive the gear plate 18 to move its output shaft. The gear plate 18 moves and meshes with the driven gear 19 through the rotating shaft 17 to drive the storage table 4 to rotate, thereby rotating the gear body 5 and increasing the detection range of the detection probe 12.

[0038] The electrical components appearing in the article are all electrically connected to the main controller and the power supply. The main controller can be a conventional known device for control such as a computer, and the existing public power connection technology is not described in detail in the article.

[0039] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the sentence "comprise a ..." do not exclude the existence of other identical elements in the process, method, article or device including the elements.

[0040] Although the 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 gear crack identification device, comprising a frame (1), a detection table (2) fixedly mounted on the top of the frame (1), a controller (3) fixedly mounted on the side wall of the frame (1), and a storage table (4) arranged above the detection table (2), characterized in that: A gear body (5) is arranged above the storage platform (4), a detection structure for detecting the gear body (5) is arranged on the frame (1), and a rotating mechanism for rotating the storage platform (4) is arranged inside the frame (1); The detection structure is composed of a mounting frame (11) and a detection probe (12); the detection probe (12) is detachably mounted on a side of the mounting frame (11) close to the storage table (4); a servo motor (13) is fixedly mounted on the side wall of the frame (1); a lead screw (14) extending into the interior of the frame (1) is fixedly mounted on the output shaft of the servo motor (13); and the external thread of the lead screw (14) is connected to a movable seat (15) fixed to the bottom of the mounting frame (11); The rotating mechanism comprises a telescopic cylinder (16), a rotating shaft (17), a tooth plate (18) and a driven gear (19); the tooth plate (18) is fixedly mounted on the output end of the telescopic cylinder (16); the driven gear (19) is fixedly mounted on the outside of the rotating shaft (17); and a mounting block (20) fixed to the lower surface of the storage platform (4) is welded to the top end of the rotating shaft (17).

2. A gear crack identification device according to claim 1, characterized in that: The storage platform (4) is provided with a clamping structure for clamping the gear body (5), and the clamping structure includes a knob (6) and two clamps (8) provided on the outside of the storage platform (4). A screw rod (7) extending into the inside of the storage platform (4) is welded on one side of the knob (6) close to the gear body (5), and the screw rod (7) is threadedly connected to two symmetrically distributed connecting blocks (9). The two clamps (8) are respectively fixedly mounted on the upper surfaces of the two connecting blocks (9).

3. A gear crack identification device according to claim 2, characterized in that: The threads on the screw rod (7) are opposite to each other, a first sliding groove (10) is provided inside the storage platform (4), and two connecting blocks (9) are slidably connected to the first sliding groove (10).

4. The gear crack identification device according to claim 1, characterized in that: The number of detection probes (12) in the detection structure is two, the appearance of the mounting frame (11) is L-shaped, and the top detection probe (12) is located above the storage platform (4).

5. The gear crack identification device according to claim 1, characterized in that: The frame (1) and the detection platform (2) are both provided with a second slide groove and a rotation hole, the movable seat (15) extends to the outside of the detection platform (2) through the second slide groove, and the lead screw (14) is rotatably connected to the inside of the frame (1).

6. A gear crack identification device according to claim 5, characterized in that: The number of the telescopic cylinder (16) and the toothed plate (18) in the rotating mechanism is two, and the two toothed plates (18) are symmetrically arranged outside the driven gear (19), and the driven gear (19) is meshed with the two toothed plates (18), and the top end of the rotating shaft (17) extends to the outside of the detection platform (2) through the rotating hole.

7. A gear crack identification device according to claim 6, characterized in that: The two telescopic cylinders (16) are fixedly mounted on the inner wall of the frame (1) on opposite sides, the bottom end of the rotating shaft (17) is connected to the inner bottom wall bearing of the frame (1), and the lower surfaces of the two tooth plates (18) are fixedly mounted with sliders (21) slidably connected to the inner bottom wall of the frame (1).

8. The gear crack identification device according to claim 1, characterized in that: A guiding limiting component (22) is provided at the bottom of the storage platform (4).

Citation Information

Cited By

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