A gear box rotating shaft clearance detection device

CN224517747UActive Publication Date: 2026-07-17ZHONGSHAN JIJIA TRANSMISSION TECH CO LTD

Patent Information

Authority / Receiving Office: CN · China
Patent Type: Utility models(China)
Current Assignee / Owner: ZHONGSHAN JIJIA TRANSMISSION TECH CO LTD
Filing Date: 2025-07-24
Publication Date: 2026-07-17

AI Technical Summary

Technical Problem

In the existing technology, the detection efficiency and accuracy of the gap between the gearbox rotating shaft and the gearbox are low, which affects the operational stability of the product.

Method used

A gearbox rotating shaft clearance detection device was designed, including a base, a pushing mechanism, a positioning mechanism, and a displacement detector. The device automatically detects the clearance between the rotating shaft and the gearbox, and uses a probe to contact the rotating shaft to detect whether the clearance is within a preset range.

Benefits of technology

It enables efficient and automatic detection of gearbox shaft clearance, improving detection accuracy and efficiency, and reducing the generation of defective products.

✦ Generated by Eureka AI based on patent content.

Smart Images

Figure CN224517747U_ABST

Patent Text Reader

Abstract

The utility model discloses a gear box rotation axis's clearance detection device. The gear box includes gear box ontology and sets up rotation axis on gear box ontology, and gear box rotation axis's clearance detection device includes: the base is provided with the positioning slot of opening to the top on it, and the gear box is placed in the positioning slot, and rotation axis extends upwards and sets up, push mechanism, install on the base, be used for pushing rotation axis to the extreme position upwards, positioning mechanism, install on the base, be used for limiting the position of gear box in the direction of vertical upward, displacement detector, install on the base, and displacement detector includes displacement detector ontology and sets up the probe on displacement detector ontology, and the probe is correspondingly set up with rotation axis, and the probe can move between the position of detection and the position of detection along the vertical direction relative to displacement detector ontology, when the probe is in the position of detection, the probe is contacted with the upper end of rotation axis.

Need to check novelty before this filing date? Find Prior Art

Claims

1. A gear box rotating shaft gap detection device, characterized by, The gearbox (7) includes a gearbox body (71) and a rotating shaft (72) disposed on the gearbox body (71). The clearance detection device for the gearbox rotating shaft includes: A base (1) is provided with an upward-facing positioning groove (6), the gearbox (7) is placed in the positioning groove (6), and the rotating shaft (72) extends upward. A pushing mechanism (2), mounted on the base (1), is used to push the rotating shaft (72) upward to its limit position; A positioning mechanism (3) is installed on the base (1) to define the position of the gearbox (7) in the vertically upward direction; A displacement detector (5) is mounted on the base (1). The displacement detector (5) includes a displacement detector body (51) and a probe (52) disposed on the displacement detector body (51). The probe (52) is disposed corresponding to the rotating shaft (72). The probe (52) can move between the detection position and the detection position in the vertical direction relative to the displacement detector body (51). When the probe (52) is in the detection position, the probe (52) contacts the upper end of the rotating shaft (72). When the probe (52) is in the detection position, the probe (52) disengages from the upper end of the rotating shaft (72) and moves to the top of the rotating shaft (72).

2. The gearbox rotating shaft clearance detection device according to claim 1, characterized in that, The pushing mechanism (2) can also be used to press the rotating shaft (72) downwards to the bottom.

3. The gear box rotating shaft gap detection device as claimed in claim 2, wherein, The pushing mechanism (2) includes a first driving member (21), a second driving member (22) installed at the output end of the first driving member (21), and a first manipulator (23) installed at the output end of the second driving member (22). The first driving member (21) can drive the second driving member (22) to reciprocate in the vertical direction. When the first manipulator (23) moves downward, the rotating shaft (72) can be inserted into and clamped in the first manipulator (23). The second driving member (22) can drive the first manipulator (23) to release the rotating shaft (72).

4. The gear box rotating shaft gap detection device as claimed in claim 3, wherein, The pushing mechanism (2) further includes a mounting plate (24), which is mounted on the output end of the first driving member (21), and the second driving member (22) is mounted on the mounting plate (24).

5. A gearbox rotating shaft gap detection device according to any one of claims 1-4, characterized in that, The positioning mechanism (3) includes a third drive member (31) and a second manipulator installed at the output end of the third drive member (31). The third drive member (31) can drive the second manipulator to move vertically between a first position and a second position. When the second manipulator is in the first position, the second manipulator can press against the upper side of the gearbox body (71). When the second manipulator is in the second position, the second manipulator disengages from the gearbox body (71) and moves to the top of the gearbox body (71).

6. The gear box rotating shaft gap detection device as claimed in claim 5, wherein, The second manipulator includes a transmission component (321) and a positioning component (322) mounted on the transmission component (321). The transmission component (321) is mounted on the output end of the third drive component (31). When the second manipulator is in the first position, the lower end of the positioning component (322) abuts against the upper side of the gearbox body (71). When the second manipulator is in the second position, the positioning component (322) disengages from the gearbox body (71) and moves to the top of the gearbox body (71).

7. A gearbox rotating shaft gap detection device according to claim 6, characterized in that, At least two positioning elements (322) are provided, and the two positioning elements (322) are spaced apart.

8. The gear box rotating shaft gap detection device as claimed in claim 6, wherein, The positioning element (322) is a screw, which is threadedly connected to the transmission element (321) in the vertical direction.

9. The gear box rotating shaft gap detection device as claimed in claim 6, wherein, The displacement detector (5) is installed above the transmission component (321), and the transmission component (321) has a clearance hole. The probe (52) passes through the clearance hole and contacts the upper end of the rotating shaft (72).

10. The gear box rotating shaft gap detection device as claimed in claim 9, wherein, It also includes a bracket (8), which is mounted on the base (1), and the displacement detector (5) is mounted on the bracket (8). A limiting member (4) is also mounted on the bracket (8). The limiting member (4) has a limiting hole opened in the vertical direction. The probe (52) passes through the limiting hole and can slide relative to the limiting hole.