Detection device for differential assembly

Abstract

The utility model discloses a detection device for a differential assembly, which relates to the technical field of detection equipment and comprises a support frame, a positioning base and a detection component, and the differential assembly comprises a planetary gear shaft, two half axle gears and two planetary gears arranged on the planetary gear shaft; the detection assembly comprises at least two plug-in probes which are oppositely arranged, at least one telescopic piece and at least one distance detector, one ends of the at least two plug-in probes are connected to the supporting frame in a sliding mode, and the two opposite sides of at least one plug-in probe are connected with the output end of the telescopic piece and the detection end of the distance detector respectively; wherein the at least two plug-in probes are used for being connected with the planetary gear shaft in a plug-in mode, so that one plug-in probe is driven by the telescopic piece to move relative to the other plug-in probe, a measuring distance is formed between the planetary gear and the half axle gear, and the distance detector is used for detecting the measuring distance. The technical problems that in the prior art, manual measurement is not accurate enough, and misjudgment is likely to be caused can be solved.

Description

Technical Field

[0001] The utility model relates to the technical field of detection equipment, in particular to a detection device for a differential assembly. Background Art

[0002] During the differential production process, a pair of planetary gear spherical gaskets and a pair of half-shaft gear gaskets need to be assembled. The gaskets are used to adjust the clearance between the planetary gears and the half-shaft gears to within the appropriate required range, and at the same time adjust the drag torque of the direct drive of the planetary gears and the half-shaft gears in the differential housing to within the appropriate required range. If an half-shaft gasket or a planetary gear spherical gasket is missing, the clearance between the planetary gears and the half-shaft gears will increase, causing abnormal noise in the gearbox, poor durability, and failure of the after-sales gearbox assembly.

[0003] In the prior art, the meshing clearance between the half-shaft gear and the planetary gear is usually measured manually to confirm whether the gasket is missing. However, manual measurement is not accurate enough and can easily lead to misjudgment. Utility Model Content

[0004] Based on this, the purpose of the utility model is to provide a detection device for a differential assembly to solve the technical problem in the background technology that manual measurement is not accurate enough and easily leads to misjudgment.

[0005] The utility model provides a detection device for a differential assembly, comprising a support frame, a positioning base and a detection component arranged on the support frame, wherein the positioning base is used to fix the differential assembly, and the differential assembly comprises a planetary gear shaft, two half-shaft gears and two planetary gears arranged on the planetary gear shaft, and the half-shaft gears are meshed with the planetary gears;

[0006] The detection assembly includes at least two oppositely arranged plug-in probes, at least one telescopic member and at least one distance detector, one end of at least two of the plug-in probes are slidably connected to the support frame, and two opposite sides of at least one of the plug-in probes are respectively connected to the output end of the telescopic member and the detection end of the distance detector;

[0007] Among them, at least two of the plug-in probes are used to plug into the planetary gear shaft, so that one of the plug-in probes is driven to move relative to the other plug-in probe through the telescopic member, so that a measuring distance is formed between the planetary gear and the half-shaft gear, and the distance detector is used to detect the measuring distance.

[0008] Furthermore, the support frame includes a support base and a multi-directional movable base, the positioning base is arranged on one side of the support base, and the multi-directional movable base is arranged on the other side of the support base.

[0009] Furthermore, the multi-directional movable base includes a moving sub-base and a rotating sub-base rotatably connected to the moving sub-base;

[0010] The moving sub-base is slidably connected to the supporting base, and the sliding direction of the moving sub-base is toward the positioning base.

[0011] Furthermore, one end of the plug-in probe is slidably connected to the rotating sub-base, and the telescopic member and the distance detector are both arranged on the rotating sub-base.

[0012] Furthermore, the plug-in probe comprises a main probe and at least one sub-probe, one of the main probe and the sub-probe is slidably connected to the rotating sub-base, and the other is used for plugging the planetary gear or the half-shaft gear.

[0013] Furthermore, the main probe and the sub-probe are detachably connected to each other, and a plurality of relative adjustment holes are provided in the main probe and the sub-probe.

[0014] Furthermore, the detection device also includes an operating handle, and the operating handle is fixedly connected to the rotating sub-base.

[0015] Compared with the prior art, the beneficial effects of the utility model are:

[0016] In the detection device of the differential assembly provided by the utility model, a support frame, a positioning base and a detection component arranged on the support frame are included, and the detection component includes at least two relatively arranged plug-in probes, at least one telescopic member and at least one distance detector, that is, the plug-in probe is extended into the differential housing and plugged into the planetary gear shaft, and the telescopic member is used to drive one plug-in probe to move relative to the other plug-in probe, so that a measuring distance is formed between the planetary gear and the half-shaft gear, that is, a planetary gear and a half-shaft gear will be expanded by the movement of the plug-in probe, and at the same time, during the movement of the plug-in probe, the moving distance of the plug-in probe can be detected by the distance detector, so that it can be determined whether the planetary gear spherical gasket or the half-shaft gear gasket is installed in the differential assembly, thereby solving the technical problem in the prior art that manual measurement is not accurate enough and is prone to misjudgment. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 A perspective view of a detection device for a differential assembly according to an embodiment of the utility model;

[0018] Figure 2 A three-dimensional view of a detection device for a differential assembly according to an embodiment of the utility model from another perspective;

[0019] Figure 3 for Figure 2A magnified schematic diagram of part A;

[0020] Figure 4 A three-dimensional diagram of a detection device for a differential assembly according to an embodiment of the utility model in use;

[0021] Figure 5 A front view of a detection device for a differential assembly according to an embodiment of the utility model in use;

[0022] Figure 6 This is the cross-sectional view of AA.

[0023] In the figure: 100, support frame; 110, support base; 120, multi-directional movable base; 121, movable sub-base; 122, rotating sub-base; 200, positioning base; 300, detection component; 310, plug-in probe; 311, main probe; 312, sub-probe; 313, adjustment hole; 320, telescopic part; 330, distance detector; 400, differential assembly; 410, planetary gear shaft; 420, planetary gear; 430, half-axle gear; 500, operating handle. DETAILED DESCRIPTION

[0024] In order to facilitate the understanding of the present invention, the present invention will be described more fully below with reference to the relevant drawings. Several embodiments of the present invention are given in the drawings. However, the present invention can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the present invention more thorough and comprehensive.

[0025] It should be noted that when an element is referred to as being "fixed to" another element, it may be directly on the other element or there may be a central element. When an element is considered to be "connected to" another element, it may be directly connected to the other element or there may be a central element at the same time. The terms "vertical", "horizontal", "left", "right" and similar expressions used herein are for illustrative purposes only.

[0026] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as those commonly understood by those skilled in the art in the technical field of the present invention. The terms used herein in the specification of the present invention are only for the purpose of describing specific embodiments and are not intended to limit the present invention. The term "and / or" used herein includes any and all combinations of one or more related listed items.

[0027] See also Figures 1 to 6, shown is a detection device of a differential assembly in an embodiment of the utility model, comprising a support frame 100, a positioning base 200 and a detection assembly 300 arranged on the support frame 100, the positioning base 200 is used to fix the differential assembly 400, the differential assembly 400 comprises a planetary gear shaft 410, two half-shaft gears 430 and two planetary gears 420 arranged on the planetary gear shaft 410, the half-shaft gears 430 are meshed with the planetary gears 420;

[0028] The detection assembly 300 includes at least two oppositely arranged plug-in probes 310, at least one telescopic member 320 and at least one distance detector 330, one end of at least two plug-in probes 310 are slidably connected to the support frame 100, and the opposite sides of at least one plug-in probe 310 are respectively connected to the output end of the telescopic member 320 and the detection end of the distance detector 330;

[0029] Among them, at least two plug-in probes 310 are used to plug into the planetary gear shaft 410, so that one plug-in probe 310 is driven to move relative to the other plug-in probe 310 through the telescopic member 320, so that a measuring distance is formed between the planetary gear 420 and the half-shaft gear 430, and the distance detector 330 is used to detect the measuring distance.

[0030] In some practical cases, the differential assembly 400 further includes a differential housing, and the planetary gear shaft 410, the planetary gear 420, the half-shaft gear 430, the planetary gear 420 spherical gasket, and the half-shaft gear 430 gasket are all arranged in the differential housing. When detecting whether the planetary gear 420 spherical gasket or the half-shaft gear 430 gasket is missing, the plug-in probe 310 in this embodiment can be extended into the differential housing and plugged into the planetary gear shaft 410, and the telescopic member 320 can be used to drive a plug-in probe 310 moves relative to another plug-in probe 310, so that a measuring distance is formed between the planetary gear 420 and the half-axle gear 430, that is, a planetary gear 420 and a half-axle gear 430 will be expanded by the movement of the plug-in probe 310. At the same time, during the movement of the plug-in probe 310, the moving distance of the plug-in probe 310 can be detected by the distance detector 330, so as to determine whether the planetary gear 420 spherical gasket or the half-axle gear 430 gasket is installed in the differential assembly 400.

[0031] See also Figure 2 As shown, in some preferred embodiments, the end of the plug-in probe 310 can be a U-shaped structure.

[0032] In some preferred embodiments, the telescopic part 320 may be a cylinder, and the distance detector 330 may be a pen-type displacement sensor. It should be noted that the cylinder and the pen-type displacement sensor are not limitations on the telescopic part 320 and the distance detector 330, and they may also be other devices with telescopic functions and detection distances, which are not specifically described here.

[0033] In some other preferred embodiments, in order to facilitate visualization of the measurement data, the distance detector 330 may be connected to an external controller, which may be a single-chip microcomputer, and the data detected by the distance detector 330 may be stored and used for tracing.

[0034] Furthermore, to facilitate the detection of the differential assembly 400 , in this embodiment, the support frame 100 includes a support base 110 and a multi-directional movable base 120 , the positioning base 200 is arranged on one side of the support base 110 , and the multi-directional movable base 120 is arranged on the other side of the support base 110 .

[0035] Specifically, the multi-directional movable base 120 includes a moving sub-base 121 and a rotating sub-base 122 rotatably connected to the moving sub-base 121, the moving sub-base 121 is slidably connected to the supporting base 110, and the sliding direction of the moving sub-base 121 is toward the positioning base 200, one end of the plug-in probe 310 is slidably connected to the rotating sub-base 122, and the telescopic member 320 and the distance detector 330 are both arranged on the rotating sub-base 122.

[0036] In some preferred embodiments, a slide rail for the moving sub-base 121 to slide may be arranged on the support base 110 , and a bearing may be arranged between the moving sub-base 121 and the rotating sub-base 122 to allow the rotating sub-base 122 to rotate.

[0037] It should be noted that since there are two pairs of half-shaft gears 430 and planetary gears 420, in order to facilitate the measurement of each pair, in this embodiment, through the setting of the rotating sub-base 122, when the first pair of half-shaft gears 430 and planetary gears 420 are tested, the direction of the plug-in probe 310 can be changed by rotating the rotating sub-base 122, and then the second pair of half-shaft gears 430 and planetary gears 420 can be tested.

[0038] And in some preferred embodiments, in order to facilitate driving it to rotate, the detection device also includes an operating handle 500, and the operating handle 500 is fixedly connected to the rotating sub-base 122.

[0039] In addition, in order to further improve the practicality of the detection device in this embodiment, the plug-in probe 310 includes a main probe 311 and at least one sub-probe 312. One of the main probe 311 and the sub-probe 312 is slidably connected to the rotating sub-base 122, and the other is used to plug in the planetary gear 420 or the half-shaft gear 430. Specifically, the main probe 311 and the sub-probe 312 are detachably connected to each other, and the main probe 311 and the sub-probe 312 are provided with a plurality of relative adjustment holes 313, and the length of the plug-in probe 310 can be adjusted by passing bolts through the corresponding adjustment holes 313.

[0040] In summary, the detection device of a differential assembly in an embodiment of the present invention has at least the following beneficial effects compared with the detection method in the prior art:

[0041] In the detection device of the differential assembly provided by the utility model, a support frame 100, a positioning base 200 and a detection assembly 300 arranged on the support frame 100 are included, and the detection assembly 300 includes at least two oppositely arranged plug-in probes 310, at least one telescopic member 320 and at least one distance detector 330, that is, the plug-in probe 310 is extended into the differential housing and plugged into the planetary gear shaft 410, and the telescopic member 320 is used to drive one plug-in probe 310 to move relative to the other plug-in probe 310, so that the distance detector 330 can be detected by the planetary gear shaft 410. A measuring distance is formed between the gear 420 and the half-axle gear 430, that is, a planetary gear 420 and a half-axle gear 430 will expand through the movement of the plug-in probe 310. At the same time, during the movement of the plug-in probe 310, the moving distance of the plug-in probe 310 can be detected by the distance detector 330, so as to determine whether the planetary gear 420 spherical gasket or the half-axle gear 430 gasket is installed in the differential assembly 400, thereby solving the technical problem in the prior art that manual measurement is not accurate enough and easily leads to misjudgment.

[0042] In the description of this specification, the description with reference to the terms "one embodiment", "some embodiments", "example", "specific example", or "some examples" means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0043] The above embodiments only express several implementation methods of the utility model, and the descriptions are relatively specific and detailed, but they cannot be understood as limiting the scope of the utility model patent. It should be pointed out that for ordinary technicians in this field, several modifications and improvements can be made without departing from the concept of the utility model, which all belong to the protection scope of the utility model. Therefore, the protection scope of the utility model patent shall be based on the attached claims.

Claims

1. A detection device for a differential assembly, characterized in that: It comprises a support frame, a positioning base and a detection component arranged on the support frame, wherein the positioning base is used to fix the differential assembly, and the differential assembly comprises a planetary gear shaft, two half-shaft gears and two planetary gears arranged on the planetary gear shaft, and the half-shaft gears are meshed with the planetary gears; The detection assembly includes at least two oppositely arranged plug-in probes, at least one telescopic member and at least one distance detector, one end of at least two of the plug-in probes are slidably connected to the support frame, and two opposite sides of at least one of the plug-in probes are respectively connected to the output end of the telescopic member and the detection end of the distance detector; Among them, at least two of the plug-in probes are used to plug into the planetary gear shaft, so that one of the plug-in probes is driven to move relative to the other plug-in probe through the telescopic member, so that a measuring distance is formed between the planetary gear and the half-shaft gear, and the distance detector is used to detect the measuring distance.

2. The detection device for a differential assembly according to claim 1, characterized in that: The support frame comprises a support base and a multi-directional movable base, the positioning base is arranged on one side of the support base, and the multi-directional movable base is arranged on the other side of the support base.

3. The detection device for the differential assembly according to claim 2, characterized in that: The multi-directional movable base comprises a moving sub-base and a rotating sub-base rotatably connected to the moving sub-base; The moving sub-base is slidably connected to the supporting base, and the sliding direction of the moving sub-base is toward the positioning base.

4. The detection device for a differential assembly according to claim 3, characterized in that: One end of the plug-in probe is slidably connected to the rotating sub-base, and the telescopic member and the distance detector are both arranged on the rotating sub-base.

5. The detection device for a differential assembly according to claim 4, characterized in that: The plug-in probe comprises a main probe and at least one sub-probe, one of the main probe and the sub-probe is slidably connected to the rotating sub-base, and the other is used for plugging the planetary gear or the half-shaft gear.

6. The detection device for a differential assembly according to claim 5, characterized in that: The main probe and the sub-probe are detachably connected to each other, and a plurality of relative adjustment holes are provided in the main probe and the sub-probe.

7. The detection device for a differential assembly according to claim 3, characterized in that: The detection device also includes an operating handle, which is fixedly connected to the rotating sub-base.

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