Auxiliary detection jig for gear precision

By using a design that drives the fixed block to move through a second gear, combined with a motor and connecting rod structure, the problem of high production cost of existing gear inspection fixtures is solved, achieving stable and low-cost gear inspection.

CN223526013UActive Publication Date: 2025-11-07SUZHOU BEI ZHUN JIXIE TECH CO LTD
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Patent Information

Application Number
CN202423217858.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-26
Publication Date
2025-11-07
Estimated Expiration
2034-12-26

AI Technical Summary

Technical Problem

Existing gear inspection fixtures require the use of three cylinders for fixation, resulting in high production costs.

Method used

The system uses a second gear to drive the movement of three fixed blocks, and the gear is fixed by a motor and connecting rod structure. The design of springs and snap-fit ​​blocks simplifies the fixing process.

Benefits of technology

It reduces production costs and improves the stability and applicability of gear inspection, enabling it to adapt to the inspection of gears of different specifications.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of gear detection jigs, and discloses a gear precision auxiliary detection jig which comprises a shell and a detection mechanism, three fixing blocks are slidably clamped in the upper end of the shell, connecting rods are rotatably arranged at the lower ends of the three fixing blocks, a supporting column is fixedly arranged at the lower end of the interior of the shell, and the upper end of the supporting column is fixedly connected with the detection mechanism. A second gear is rotatably arranged at the upper end of the supporting column, the other ends of the three connecting rods are rotatably arranged at the upper end of the second gear, a sliding groove is formed in the upper end of the shell, a connecting frame is slidably arranged in one side of the shell, and a first clamping block is fixedly arranged at the end, close to the second gear, of the connecting frame. A spring is connected between the first clamping block and the shell. When the device is used, the three fixing blocks can be driven to slide in the upper end of the shell through the three connecting rods by rotating the second gear, and the first gear can be fixed easily.
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Description

TECHNICAL FIELD

[0001] The utility model relates to gear detection fixture technical field especially relates to a gear precision auxiliary detection fixture. BACKGROUND

[0002] Gear refers to the wheel rim has tooth, can continuously mesh transmission motion and power mechanical element, they can change force direction, speed and torque, is the important component part of mechanical tool.

[0003] The prior art (publication number: CN218937766U) discloses "the utility model relates to detection fixture technical field, concretely is a gear detection fixture, including base, the top of base is provided with a plurality of guide grooves, the inner portion of a plurality of guide grooves is fixedly installed with first air cylinder respectively, the output shaft of first air cylinder is fixedly connected with clamping block, and the top of base is fixedly connected with support plate, the top of support plate is penetrated and is provided with strip-shaped mouth one and strip-shaped mouth two, the inner wall of strip-shaped mouth one is provided with the limit mouth in strip-shaped mouth two communication.The utility model discloses through first air cylinder drive clamping block's removal, can complete the gear of different specifications and fix, when the threaded rod rotates when adjusting handle drive, the slide block can drive the positioning tooth block to be close to or away from the gear, effectively limit the gear of different diameters, and the rotation of hand wheel is manually controlled, so that the hand wheel drives the rotation of the lead screw, and the detection head can be accurately corresponded to the positioning hole on the gear, and the gear of different sizes is detected, and the applicability is improved".

[0004] The inventor finds that the prior art has the following problems in the process of implementing the present application: the device can fix gears of different specifications by moving the clamping block through the first air cylinder when in use, but three air cylinders are needed, which is not conducive to reducing production costs.

[0005] Therefore, the present application provides a gear precision auxiliary detection fixture to solve the problems in the background art. UTILITY MODEL CONTENTS

[0006] The utility model discloses a gear precision auxiliary detection fixture to solve the problems in the prior art, the device is used, and the three fixing blocks are moved by the second gear, which is conducive to fixing the first gear, and detection is facilitated.

[0007] To achieve the above object, the utility model provides the following technical scheme: a gear precision auxiliary detection fixture, including shell and detection mechanism, the upper end inside of shell is slidably connected with three fixed blocks, the lower end of three fixed blocks is rotatably provided with connecting rod, the inside lower end of shell is fixedly provided with support column, the upper end of support column is rotatably provided with second gear, the other end of three connecting rods is rotatably arranged on the upper end of second gear;

[0008] The upper end of the shell is provided with a sliding groove, one side of the shell is internally provided with a connecting frame, one end of the connecting frame close to the second gear is fixedly provided with a first clamping block, and the first clamping block is connected with the shell through a spring.

[0009] Further, the sliding block is fixedly arranged at the lower end of the main body and is slidably arranged in the sliding groove.

[0010] Further, the upper end of the main body is fixedly provided with a fixed frame, and the fixed frame is internally slidably connected with a supporting block.

[0011] Further, the upper end of the supporting block is fixedly provided with an electric push rod, and the output end of the electric push rod is fixedly provided with a detection head.

[0012] Further, the side of the main body away from the supporting block is fixedly provided with a handle, and the inside of the fixed frame is threadedly sleeved with a lead screw.

[0013] Further, one end of the connecting frame close to the first clamping block is provided with a fixed groove, and the side of the shell is slidably connected with a second clamping block.

[0014] Further, the inside of the shell is fixedly provided with a motor at the lower end, the output end of the motor is fixedly provided with a third gear, and the third gear is meshed with the second gear.

[0015] Further, the end of each of the three fixed blocks away from each other is fixedly provided with a rubber pad, and the upper end of the shell is provided with a first gear.

[0016] The utility model has the advantages of the following beneficial effects:

[0017] 1. The gear precision auxiliary detection jig disclosed by the utility model, when in use, the first gear is placed around the three fixed blocks, the motor is started to drive the third gear to rotate, the third gear drives the second gear to rotate, the second gear drives the three fixed blocks to move through the three connecting rods when rotating, which is conducive to fixing the first gear and reducing production cost, in addition, the spring drives the first clamping block to move towards the first gear, which is conducive to improving the speed of moving the first clamping block.

[0018] 2. The gear precision auxiliary detection jig disclosed by the utility model, when in use, rotating the lead screw and starting the electric push rod can adjust the position of the detection head, when the detection head is aligned with the first gear, alignment detection can be carried out, and the main body can also be pushed, which is conducive to rotating the detection mechanism around the first gear, conducive to detecting different positions, and conducive to improving the practicability of the device. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 is a shaft measurement schematic view of the utility model;

[0020] Figure 2 is a sectional view schematic view of the utility model;

[0021] Figure 3 is a shaft measurement schematic view of the second gear of the utility model;

[0022] Figure 4 is an explosion schematic view of the detection mechanism of the utility model.

[0023] Legend:

[0024] 1, detection mechanism; 2, first gear; 3, sliding groove; 4, shell; 5, fixed block; 6, connecting rod; 7, second gear; 8, rubber pad; 9, first clamping block; 10, support column; 11, spring; 12, fixed groove; 13, second clamping block; 14, connecting frame; 15, third gear; 16, motor; 101, support block; 102, fixed frame; 103, screw rod; 104, main body; 105, sliding block; 106, electric push rod; 107, handle. DETAILED DESCRIPTION

[0025] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0026] Reference Figure 1 , Figure 2 and Figure 3The utility model provides a kind of embodiment: a gear precision auxiliary detection fixture, including shell 4 and detection mechanism 1, the upper end inside of shell 4 is provided with three fixed blocks 5 with sliding joint, the lower end of three fixed blocks 5 is rotatably provided with connecting rod 6, the inside lower end of shell 4 is fixedly provided with support column 10, the upper end of support column 10 is rotatably provided with second gear 7, the other end of three connecting rods 6 is rotatably provided in the upper end of second gear 7, the upper end of shell 4 is provided with sliding slot 3, the inside of one side of shell 4 is slidably provided with connecting frame 14, one end of connecting frame 14 close to second gear 7 is fixedly provided with first clamping block 9, spring 11 is connected between first clamping block 9 and shell 4, one end of connecting frame 14 close to first clamping block 9 is provided with fixed groove 12 with penetration, the one side of shell 4 is slidably provided with second clamping block 13, the inside lower end of shell 4 is fixedly provided with motor 16, the output of motor 16 is fixedly provided with third gear 15, third gear 15 is engaged with second gear 7, the one end of three fixed blocks 5 away from each other is fixedly provided with rubber pad 8, and the upper end of shell 4 is provided with first gear 2;

[0027] Specifically, the motor 16 drives the third gear 15 to rotate, which is conducive to driving the second gear 7 to rotate and providing power for it; when the second gear 7 rotates, the three connecting rods 6 drive the three fixed blocks 5 to slide in the upper end of the shell 4, away from each other, which is conducive to fixing the first gear 2 and facilitating detection; the sliding slot 3 is conducive to sliding the detection mechanism 1 in it and detecting different positions of the first gear 2; the rubber pad 8 is conducive to avoiding leaving marks in the first gear 2; the spring 11 pushes the first clamping block 9 to fix the first gear 2 and further improve the stability; pull the second clamping block 13 upwards, then pull the connecting frame 14 until it cannot be pulled, push the second clamping block 13 downwards to make it enter the inside of the fixed groove 12, which can fix the connecting frame 14 and is conducive to not needing to pull the connecting frame 14 all the time when the first gear 2 is not fixed well.

[0028] Reference Figure 4 The detection mechanism 1 includes a main body 104 and a sliding block 105, the sliding block 105 is fixedly arranged at the lower end of the main body 104, the sliding block 105 is slidably arranged in the inside of the sliding slot 3, the upper end of the main body 104 is fixedly provided with a fixed frame 102, the inside of the fixed frame 102 is slidably provided with a support block 101, the upper end of the support block 101 is fixedly provided with an electric push rod 106, the output end of the electric push rod 106 is fixedly provided with a detection head, the side of the main body 104 away from the support block 101 is fixedly provided with a handle 107, and a lead screw 103 is threadedly connected to the inside of one side of the fixed frame 102;

[0029] Specifically, the electric push rod 106 is conducive to adjusting the height of the detection head; rotating the lead screw 103 drives the support block 101 to move, which is conducive to adjusting the position of the detection head, and cooperating with the electric push rod 106 is conducive to aligning the detection head with the position of the first gear 2 to be detected; the fixed frame 102 is conducive to installing the support block 101 and the lead screw 103; the sliding block 105 is conducive to sliding the detection mechanism 1 in the sliding groove 3; the main body 104 is conducive to installing the fixed frame 102 and the handle 107; pushing the handle 107 is conducive to adjusting the position of the detection mechanism 1.

[0030] Working principle: when the device is used, the first gear 2 is placed on the upper end of the shell 4, the motor 16 is started to drive the third gear 15 to rotate, the third gear 15 drives the second gear 7 to rotate, the second gear 7 drives the three fixed blocks 5 to slide in the upper end of the shell 4 through the three connecting rods 6, so as to fix the first gear 2; rotating the lead screw 103 and starting the electric push rod 106 can adjust the position of the detection head, which is convenient for detecting the first gear 2; pushing the handle 107 is conducive to driving the detection mechanism 1 to move and detecting different positions; the spring 11 pushes the first clamping block 9, which is conducive to fixing the first gear 2.

[0031] Finally, it should be pointed out that: the above only for the preferred embodiments of the present application, and not for limiting the present application, although the foregoing detailed description of the present application is made with reference to the foregoing embodiments, for the skilled in the art, it can still modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement for part of the technical features, any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application, should be included in the protection scope of the present application.

Claims

1. A gear precision auxiliary detection jig, comprising a shell (4) and a detection mechanism (1), characterized in that: The upper end of the shell (4) is internally slidably connected with three fixed blocks (5), the lower end of each of the three fixed blocks (5) is rotatably provided with a connecting rod (6), the lower end of the shell (4) is fixedly provided with a support column (10), the upper end of the support column (10) is rotatably provided with a second gear (7), the other end of each of the three connecting rods (6) is rotatably arranged at the upper end of the second gear (7). The upper end of the shell (4) is provided with a sliding groove (3), one side of the shell (4) is internally slidably provided with a connecting frame (14), one end of the connecting frame (14) close to the second gear (7) is fixedly provided with a first clamping block (9), the first clamping block (9) and the shell (4) are connected with a spring (11), and the detection mechanism (1) comprises a main body (104) and a sliding block (105).

2. The precision auxiliary detection jig for gear according to claim 1, characterized in that: The sliding block (105) is fixedly arranged at the lower end of the main body (104), and the sliding block (105) is slidably arranged in the sliding groove (3).

3. The precision gear detection aid of claim 1, wherein: The upper end of the main body (104) is fixedly provided with a fixed frame (102), and the inner side of the fixed frame (102) is slidably connected with a support block (101).

4. The precision gear detection aid of claim 3, wherein: The upper end of the support block (101) is fixedly provided with an electric push rod (106), and the output end of the electric push rod (106) is fixedly provided with a detection head.

5. The precision gear detection aid of claim 3, wherein: One side of the main body (104) away from the support block (101) is fixedly provided with a handle (107), and the inner side of one side of the fixed frame (102) is threadedly sleeved with a lead screw (103).

6. The precision gear detection aid of claim 1, wherein: One end of the connecting frame (14) close to the first clamping block (9) is provided with a fixed groove (12), and the other side of the shell (4) is slidably connected with a second clamping block (13).

7. The precision gear detection aid of claim 1, wherein: The lower end of the shell (4) is fixedly provided with a motor (16), the output end of the motor (16) is fixedly provided with a third gear (15), and the third gear (15) is engaged with the second gear (7).

8. The precision gear detection aid of claim 1, wherein: The other end of each of the three fixed blocks (5) is fixedly provided with a rubber pad (8), and the upper end of the shell (4) is provided with a first gear (2).

Citation Information

Patent Citations

  • Gear detection jig

    CN218937766U