Universal tool for testing rigidity of small servo assembly
By designing a general-purpose tool for small servo housing assembly suitable for different fixed points and worm gears and worm angles, the problems of repeated design and processing in the prior art are solved, and cost savings and project efficiency improvements are achieved.
Patent Information
- Application Number
- CN202421321713.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-12
- Publication Date
- 2025-03-18
- Estimated Expiration
- 2034-06-12
AI Technical Summary
It is difficult to design a general workpiece with a small servo housing assembly adapted to different fixed points and worm angles in different worm gears, resulting in repeated design and processing, increasing labor and workmanship costs, and reducing project efficiency.
A general tooling for stiffness testing for small servo assembly is designed, including fixing tooling blocks and tooling base plates, connected by tooling locking screws, the fixing tooling block is designed as a "convex" font structure, adapting to different fixing points and worm gear and worm angles, and fixing them using U-shaped holes and bolts and nuts.
A universal fixed tooling is realized with a small servo housing assembly adapted to different fixed points and worm gears and worm angles, avoiding repeated design and processing, saving labor and workmanship costs, and improving project development efficiency.
Smart Images

Figure CN222635738U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of steering systems, in particular to a universal tooling for stiffness testing of a servo small assembly. Background Art
[0002] When measuring the stiffness of the servo housing subassembly, it is necessary to use a fixed tool to fix the servo housing subassembly. The general servo housing structure is basically similar, and the fixing points are not much different. Therefore, it is considered to design a universal tool to adapt to the servo housing subassembly with different fixing points and different worm gear angles. Avoid repeated design and processing, waste of labor costs and tooling processing costs, and improve project efficiency. Summary of the invention
[0003] In order to overcome the deficiencies of the prior art, the utility model provides a universal tooling for stiffness testing of a servo small assembly, so as to meet the needs of fixing the servo housing small assembly when testing the stiffness of the servo housing small assembly of multiple projects, avoid problems such as repeated design and repeated processing, save costs, and improve the utilization rate of the tooling and the efficiency of project development.
[0004] In order to achieve the above-mentioned purpose, a universal tooling for stiffness testing of a servo small assembly is designed, comprising a fixed tooling block and a tooling base plate, and characterized in that: the fixed tooling block is connected to the tooling base plate by a tooling locking screw, the fixed tooling block is in a "convex" shape, a first bolt hole is provided at the upper part of the fixed tooling block, a worm housing groove is provided below the first bolt hole, an arc-shaped step block structure is provided below the worm housing groove, and U-shaped holes are respectively provided on the left and right sides below the arc-shaped step block structure.
[0005] The tooling base plate is a rectangular panel structure, with a short waist-shaped through hole in the middle of the tooling base plate, long waist-shaped through holes on the left and right sides and the rear side of the tooling base plate, and a U-shaped groove on the front side of the tooling base plate; a plurality of second bolt holes for connecting the tooling locking screws are provided on the tooling base plate located in front of the short waist-shaped through hole.
[0006] The worm housing groove is a rectangular groove structure.
[0007] The arc-shaped step block structure matches the servo housing.
[0008] The servo housing is connected to the locking nut through a plurality of bolts penetrating the U-shaped holes.
[0009] Compared with the prior art, the utility model provides a universal tooling for stiffness testing of a servo small assembly, so as to meet the needs of fixing the servo housing small assembly when testing the stiffness of the servo housing small assembly of multiple projects, avoid problems such as repeated design and repeated processing, save costs, and improve the utilization rate of the tooling and the efficiency of project development. BRIEF DESCRIPTION OF THE DRAWINGS
[0010] Figure 1 This is the front view of the fixing tooling of the servo housing small assembly of the utility model.
[0011] Figure 2 This is a bottom view of the fixing tooling of the servo housing small assembly of the utility model.
[0012] Figure 3 This is the main view of the multi-project servo housing subassembly of the utility model being installed on a fixed tooling.
[0013] Figure 4 This is a right view of the multi-project servo housing subassembly of the utility model being installed on a fixed tooling.
[0014] Figure 5 This is a schematic diagram of the installation of the servo housing subassembly of the utility model on a fixed tooling (project A).
[0015] Figure 6 This is a schematic diagram of the installation of the servo housing subassembly of the utility model on a fixed tooling (project B).
[0016] Figure 7 This is a schematic diagram of the installation of the servo housing subassembly of the utility model on a fixed tooling (item C).
[0017] Figure 8 This is a schematic diagram of the installation of the servo housing subassembly of the utility model on a fixed tooling (project D). DETAILED DESCRIPTION
[0018] The utility model is further described below with reference to the accompanying drawings.
[0019] like Figure 1 , Figure 2 As shown, the tooling base plate 1 is connected to the fixed tooling block 2 by the tooling locking screws 3. The fixed tooling block 2 is in a "convex" shape. A first bolt hole 2-1 is provided at the upper part of the fixed tooling block 2, a worm housing groove 2-2 is provided below the first bolt hole 2-1, an arc-shaped step block structure 2-3 is provided below the worm housing groove 2-2, and U-shaped holes 2-4 are provided on the left and right sides below the arc-shaped step block structure 2-3.
[0020] The tooling base plate 1 is a rectangular panel structure, with a short waist-shaped through hole 1-1 in the middle of the tooling base plate 1, long waist-shaped through holes 1-2 on the left and right sides and the rear side of the tooling base plate 1, and a U-shaped groove 1-3 on the front side of the tooling base plate 1; a plurality of second bolt holes 1-4 for connecting the tooling locking screws 3 are provided on the tooling base plate 1 located in front of the short waist-shaped through hole 1-1.
[0021] The worm housing groove 2-2 is a rectangular groove structure.
[0022] The arc-shaped step block structure 2-3 matches with the servo housing.
[0023] The servo housing is connected to the locking nut by a plurality of bolts passing through the U-shaped holes 2-4.
[0024] The fixture block 2 and the fixture base plate 1 are fixed with fixture locking screws 3. Based on the characteristics of the servo housings of multiple projects (different models), the fixture fixing points on the fixture block 2 are designed as U-shaped holes 2-4 to adapt to the servo housings with different fixing points, bolts, and nuts. At the same time, the worm housing groove 2-2 is designed to adapt to servo housings with different worm gear angles. When in use, Figure 3 , Figure 4 As shown, the servo housing subassembly is fixed to the fixed fixture block 2 by bolts and locking nuts. Figures 5 to 8 As shown, the structure of the utility model is suitable for servo housings of four different projects (different models).
[0025] The purpose of the utility model is to design the tooling fixing point into a U-shaped hole structure based on the servo housing structure of multiple projects, adapting to the servo housing with different fixing points and bolt and nut fixing methods. At the same time, the worm housing groove design is adapted to the servo housing with different worm gear angles.
[0026] The utility model has the advantage of being able to adapt to the universal fixed tooling for measuring the stiffness of a small assembly of a servo housing with different fixed points and different worm gear angles, thereby avoiding repeated design and processing, waste of labor costs and tooling processing costs, and improving project efficiency.
Claims
1. A universal tooling for stiffness testing of a servo small assembly, comprising a fixed tooling block and a tooling base plate, characterized in that: A tooling base plate (1) is connected to a fixed tooling block (2) via a tooling locking screw (3); the fixed tooling block (2) is in a "convex"-shaped structure; a first bolt hole (2-1) is provided at the upper portion of the fixed tooling block (2); a worm housing groove (2-2) is provided below the first bolt hole (2-1); an arc-shaped step block structure (2-3) is provided below the worm housing groove (2-2); and U-shaped holes (2-4) are provided on the left and right sides below the arc-shaped step block structure (2-3), respectively.
2. The universal tooling for stiffness testing of a servo small assembly according to claim 1, characterized in that: The tooling base plate (1) is a rectangular panel structure, a short waist-shaped through hole (1-1) is provided in the middle of the tooling base plate (1), long waist-shaped through holes (1-2) are respectively provided on the left and right sides and the rear side of the tooling base plate (1), and a U-shaped groove (1-3) is provided on one side of the front part of the tooling base plate (1); and a plurality of second bolt holes (1-4) for connecting tooling locking screws (3) are provided on the tooling base plate (1) located in front of the short waist-shaped through hole (1-1).
3. The universal tooling for stiffness testing of a servo small assembly according to claim 1, characterized in that: The worm housing groove (2-2) is a rectangular groove structure.
4. The universal tooling for stiffness testing of a servo small assembly according to claim 1, characterized in that: The arc-shaped step block structure (2-3) matches the servo housing.
5. The universal tooling for stiffness testing of a servo small assembly according to claim 1 is characterized in that: The servo housing is connected to the locking nut via a plurality of bolts penetrating the U-shaped holes (2-4).