Duplex gear static torsional strength detection device
By designing a double-telephone torsion strength detection device, using the mandrel sleeve to apply torque to detect the static strength of the double-telephone teeth, the problem of the inability to detect the torque of the part in the prior art is solved, and the accurate measurement and switching of the strength of the double-telephone teeth is achieved Test.
Patent Information
- Application Number
- CN202421074114.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-17
- Publication Date
- 2025-01-10
- Estimated Expiration
- 2034-05-17
AI Technical Summary
The existing detection methods cannot intuitively and accurately test the static torsion strength of the double-tethered toothed part, and cannot effectively detect whether the parts can withstand torque, resulting in early failure.
A double-tethered torsion strength detection device is designed, including a base, tooth sleeve, mandrel, torque wrench and positioning slider. By applying torque to the mandrel sleeve until the double-tethered teeth are twisted, the maximum displayed torque is recorded. The value is the static torsion strength, and the strength of large and small teeth can be detected by changing the tooth sleeve.
The intuitive and reliable detection of the static torsion strength of the double-tethered teeth can be accurately determined, and the maximum static torsion strength of the part can be detected by switching the gear sleeves.
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Figure CN222336763U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of strength detection, in particular to a double-tooth static torsion strength detection device. Background Art
[0002] like Figure 1 Due to the application characteristics of double-tooth parts, the teeth of the parts need to withstand a certain torque. Therefore, the tooth strength of the double-tooth parts is one of the important criteria for detecting the quality of the parts.
[0003] Due to the characteristics of the forming process, the double-tooth parts are prone to cracks and looseness during the tooth forming process, causing early failure of the parts. For the detection of the torsional strength of the double-tooth parts, no suitable detection device has been found before. The existing detection methods can only detect the hardness, structure and other properties of the parts, and cannot intuitively detect the static torsional strength that the double-tooth single tooth or multiple teeth can withstand, that is, it cannot intuitively and accurately test the strength of the double-tooth parts. Utility Model Content
[0004] The utility model solves the problems in the related technology and proposes a double-tooth static torsional strength detection device, which applies torque to the core shaft sleeve to confirm the maximum static torsional strength of a single tooth or multiple teeth of the part, and can intuitively detect the static torsional strength of a specified single tooth or multiple teeth of the double-tooth, and the detection result is more reliable; in addition, by replacing the tooth sleeve on the base, it is possible to switch between measuring the strength of the large teeth of the double-tooth and the strength of the small teeth of the double-tooth.
[0005] In order to solve the above technical problems, the utility model is realized through the following technical scheme: a double-tooth static torsional strength detection device, comprising a base, a gear sleeve, a core shaft, a torque wrench and a positioning slider, the gear sleeve being detachably mounted on the base, the gear sleeve being provided with a gear ring matching the large gear or small gear in the double-tooth, the inner wall of the gear ring being provided with at least one tooth, the positioning slider being slidably mounted on the base, one end of the core shaft being inserted into the double-tooth and the other end being passed through the positioning slider and being covered with a core shaft sleeve, and the torque wrench being mounted on the core shaft sleeve.
[0006] As a preferred solution, the base is provided with bolt holes, a core shaft hole and a slide groove.
[0007] As a preferred solution, the gear sleeve is detachably mounted in a bolt hole on the base by means of bolts.
[0008] As a preferred solution, the positioning slider is an L-shaped structure, wherein a waist-shaped hole is opened on the horizontal block, and the screw passes through the vertical block and fixes the positioning slider in the slide groove through a nut.
[0009] As a preferred solution, the core shaft is a structure with one end thick and the other end thin. The thin end passes through the waist-shaped hole of the positioning slider and is covered with a core shaft sleeve, and the thick end passes through the double-tooth inner ring and is inserted into the core shaft hole on the base.
[0010] Compared with the prior art, the utility model has the following beneficial effects: the utility model applies torque to the top core shaft sleeve to confirm the maximum static torsional strength of a single tooth or multiple teeth of the part, and can intuitively detect the static torsional strength of a specified single tooth or multiple teeth of the double teeth, and the detection result is more reliable; in addition, by replacing the tooth sleeve on the base, it is possible to switch between measuring the strength of the large teeth of the double teeth and the strength of the small teeth of the double teeth. BRIEF DESCRIPTION OF THE DRAWINGS
[0011] Figure 1 This is a schematic diagram of the double-tooth structure of the utility model;
[0012] Figure 2 It is a schematic diagram of the overall structure of Embodiment 1 of the present utility model;
[0013] Figure 3 It is a schematic diagram of the overall structure of Embodiment 1 of the present utility model (excluding the torque wrench);
[0014] Figure 4 It is a schematic diagram of the structure of the gear sleeve in Embodiment 1 of the present utility model;
[0015] Figure 5 It is a structural schematic diagram of the base of the utility model;
[0016] Figure 6 It is a structural schematic diagram of the mandrel of the utility model;
[0017] Figure 7 It is a structural schematic diagram of the core shaft sleeve of the utility model;
[0018] Figure 8 It is a structural schematic diagram of the positioning slider of the utility model;
[0019] Fig. 9 It is a structural schematic diagram of Embodiment 2 of the present utility model (excluding the torque wrench);
[0020] Fig.10 It is a schematic structural diagram of the gear sleeve in Example 2 of the present utility model.
[0021] In the figure:
[0022] 1. Base, 101. Bolt hole, 102. Mandrel hole, 103. Slide groove, 2. Gear sleeve, 201. Gear ring, 202. Tooth, 3. Mandrel, 4. Torque wrench, 5. Positioning slider, 501. Waist hole, 6. Double teeth, 7. Mandrel sleeve. DETAILED DESCRIPTION
[0023] 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. The following description of at least one exemplary embodiment is actually only illustrative and is by no means a limitation on the utility model and its application or use. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model.
[0024] It should be noted that the terms used herein are only for describing specific embodiments and are not intended to limit the exemplary embodiments according to the present application. As used herein, unless the context clearly indicates otherwise, the singular form is also intended to include the plural form. In addition, it should be understood that when the terms "comprise" and / or "include" are used in this specification, it indicates the presence of features, steps, operations, devices, components and / or combinations thereof.
[0025] Unless otherwise specifically stated, the relative arrangement, numerical expressions and numerical values of the parts and steps described in these embodiments do not limit the scope of the utility model. At the same time, it should be understood that, for ease of description, the sizes of the various parts shown in the accompanying drawings are not drawn according to the actual proportional relationship. The technology, methods and equipment known to ordinary technicians in the relevant field may not be discussed in detail, but in appropriate cases, the technology, methods and equipment should be regarded as a part of the authorization specification. In all examples shown and discussed here, any specific value should be interpreted as merely exemplary, rather than as a limitation. Therefore, other examples of exemplary embodiments may have different values. It should be noted that similar reference numerals and letters represent similar items in the following drawings, so once a certain item is defined in one drawing, it does not need to be further discussed in subsequent drawings.
[0026] In the description of the present utility model, it needs to be understood that the directions or positional relationships indicated by directional words such as "front, back, up, down, left, right", "lateral, vertical, perpendicular, horizontal" and "top, bottom" are usually based on the directions or positional relationships shown in the drawings, and are only for the convenience of describing the present utility model and simplifying the description. Unless otherwise specified, these directional words do not indicate or imply that the device or element referred to must have a specific direction or be constructed and operated in a specific direction, and therefore cannot be understood as limiting the scope of protection of the present utility model; the directional words "inside and outside" refer to the inside and outside relative to the contours of each component itself.
[0027] For ease of description, spatially relative terms such as "above", "above", "on the upper surface of", "above", etc. may be used here to describe the spatial positional relationship between a device or feature and other devices or features as shown in the figure. It should be understood that spatially relative terms are intended to include different orientations of the device in use or operation in addition to the orientation described in the figure. For example, if the device in the accompanying drawings is inverted, the device described as "above other devices or structures" or "above other devices or structures" will be positioned as "below other devices or structures" or "below other devices or structures". Thus, the exemplary term "above" may include both "above" and "below". The device may also be positioned in other different ways (rotated 90 degrees or in other orientations), and the spatially relative descriptions used here are interpreted accordingly.
[0028] In addition, it should be noted that the use of terms such as "first" and "second" to limit components is only for the convenience of distinguishing the corresponding components. If not otherwise stated, the above terms have no special meaning and therefore cannot be understood as limiting the scope of protection of the utility model.
[0029] Example 1
[0030] This embodiment is a static torsional strength test of the small gear in the duplex teeth 6.
[0031] like Figures 2 to 8 As shown, a double-tooth static torsion strength testing device includes a base 1, a gear sleeve 2, a core shaft 3, a torque wrench 4 and a positioning slide block 5. The gear sleeve 2 can be detachably installed on the base 1. The gear sleeve 2 is provided with a gear ring 201 that matches the small gear in the double-tooth 6. The inner wall of the gear ring 201 has at least one tooth 202. The number of the tooth teeth 202 is the same as the number of teeth to be tested in the double-tooth 6. When testing, the small gear in the double-tooth 6 is installed in the gear ring 201. The tooth on the inner wall of the gear ring 201 is adjusted according to the tooth of the small gear in the double-tooth 6 to be tested. Tooth 202 is aligned with which tooth of the pinion in the duplex tooth 6, the positioning slider 5 is slidably installed on the base 1, one end of the core shaft 3 is inserted into the duplex tooth 6 and the other end passes through the positioning slider 5 and is covered with a core shaft sleeve 7, the shape of the core shaft sleeve 7 matches the shape of the hole at the front end of the torque wrench 4, the torque wrench 4 is installed on the core shaft sleeve 7, wherein the torque wrench 4 is a digital torque wrench. During the test, the torque extreme value measurement mode of the digital torque wrench is used to apply torque to the core shaft sleeve 7 in the specified direction until the duplex tooth 6 is twisted, and the maximum torque value recorded and displayed is the static torsional strength.
[0032] In one embodiment, two bolt holes 101 , a spindle hole 102 and two slide grooves 103 are formed on the base 1 .
[0033] In one embodiment, the gear sleeve 2 is detachably mounted in the bolt hole 101 on the base 1 by means of bolts.
[0034] In one embodiment, the positioning slider 5 is an L-shaped structure, in which a waist-shaped hole 501 is opened on the horizontal block, two screws pass through the vertical block and fix the positioning slider in the slide groove 103 through nuts, and the installation position of the positioning slider 5 can be adjusted according to different gear sleeves 2.
[0035] In one embodiment, the core shaft 3 is a structure with one end thick and the other end thin. The thin end passes through the waist-shaped hole 501 of the positioning slider 5 and is covered with a core shaft sleeve 7, and the thick end passes through the inner ring of the double-linked tooth 6 and is inserted into the core shaft hole 102 on the base 1.
[0036] Example 2
[0037] This embodiment is a static torsional strength test of the large gear in the duplex gear 6.
[0038] like Figure 5-10 As shown, the difference from the embodiment 1 is that the structure of the gear sleeve 2 is as follows Fig. 9 As shown, the gear sleeve 2 is provided with a gear ring 201 matching the large gear in the duplex gear 6, and the inner wall of the gear ring 201 is provided with at least one tooth 202, and the number of the teeth 202 is the same as the number of teeth to be tested in the duplex gear 6. During testing, the large gear in the duplex gear 6 is installed in the gear ring 201. When the tooth of the large gear in the duplex gear 6 needs to be tested, the tooth 202 on the inner wall of the gear ring 201 is aligned with the tooth of the small gear in the duplex gear 6.
[0039] The above are preferred implementation modes of the present invention. Technicians in the field to which the present invention belongs can also change and modify the above implementation modes. Therefore, the present invention is not limited to the above specific implementation modes. Any obvious improvements, substitutions or modifications made by technicians in this field on the basis of the present invention belong to the protection scope of the present invention.
Claims
1. A double-tooth static torsional strength testing device, characterized in that: It includes a base, a gear sleeve, a core shaft, a torque wrench and a positioning slider. The gear sleeve is detachably mounted on the base. The gear sleeve is provided with a gear ring that matches the large gear or small gear in the double-toothed gear. The inner wall of the gear ring is provided with at least one tooth. The positioning slider is slidably mounted on the base. One end of the core shaft is inserted into the double-toothed gear and the other end passes through the positioning slider and is covered with a core shaft sleeve. The torque wrench is mounted on the core shaft sleeve.
2. The double-tooth static torsional strength detection device according to claim 1, characterized in that: The base is provided with bolt holes, a core shaft hole and a slide groove.
3. The double-tooth static torsional strength detection device according to claim 2, characterized in that: The gear sleeve is detachably mounted in the bolt hole on the base through bolts.
4. The double-tooth static torsional strength detection device according to claim 3, characterized in that: The positioning slide block is an L-shaped structure, wherein a waist-shaped hole is opened on the horizontal block, and the screw passes through the vertical block and fixes the positioning slide block in the slide groove through a nut.
5. The double-tooth static torsional strength detection device according to claim 4, characterized in that: The core shaft is a structure with one end being thick and the other end being thin. The thin end passes through the waist-shaped hole of the positioning slider and is covered with a core shaft sleeve, and the thick end passes through the double-tooth inner ring and is inserted into the core shaft hole on the base.