Supporting tool for speed reducer bench test
By designing an adjustable support fixture, the problem of requiring separate fixture design for each reducer in existing technologies was solved, enabling bench testing of multiple reducer models, reducing resource waste and test cycle, and improving test efficiency.
Patent Information
- Application Number
- CN202511401060.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2025-09-28
- Publication Date
- 2025-11-18
AI Technical Summary
In existing reducer bench tests, each reducer requires a separate design of dedicated tooling fixtures, resulting in wasted resources and excessively long test preparation time. Furthermore, the old tooling is not compatible with the new models and cannot meet the support requirements of various reducers.
Design a support fixture that supports and installs different types of reducers by adjusting the positions of the shaft length adjustment base and the workpiece support arm. The fixture includes the combined use of the shaft length adjustment base, inner ring, outer ring, workpiece support arm and clamping block to meet the installation requirements of various types of reducers.
It enabled bench testing of various reducer models, reducing tooling design and manufacturing costs and testing cycle, improving testing efficiency and reducing costs.
Smart Images
Figure CN120971005A_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The present application relates to the field of reducer bench test, in particular to a kind of support tool for reducer bench test. BACKGROUND
[0002] Under the dual driving of global energy transformation and automobile industry upgrading, the new energy vehicle industry is developing at an unprecedented speed. Compared with traditional fuel vehicles, the technology iteration speed of new energy vehicle models is very rapid, and some mainstream vehicle enterprises even launch multiple new or modified models every year. Under such high-speed iteration, the current technical scheme of new energy vehicle reducer is constantly updated. In order to verify the performance parameters of different schemes of reducer, enterprises need to invest a large number of test samples for bench test every year, covering transmission efficiency, noise and vibration, fatigue life and other key indicators. However, due to the differences in vehicle power layout, torque demand, installation space and other aspects, the reducers of different vehicle models have significant differences in structure size, interface parameters and assembly method. Therefore, the industry generally adopts a "one-to-one" tool design mode, that is, a special tool clamp is designed for each reducer. However, this form not only occupies a large amount of design resources and processing equipment, but also leads to a long time-consuming in the test preparation stage. Most importantly, since the special tool is usually only suitable for a single type of reducer, when the vehicle model is updated or the test scheme is adjusted, the old tool loses its function and a new tool needs to be designed to adapt to the new reducer, which seriously wastes resources. SUMMARY
[0003] The present application provides a kind of support tool for reducer bench test, by adjusting the height of the axle length adjusting base and the position of the workpiece support arm, meet the needs of supporting and installing multiple types of reducers, save cost and improve efficiency.
[0004] The technical scheme of the present application is as follows: a kind of support tool for reducer bench test, including installation base, the upper end of the installation base is fixedly connected with a connecting seat, the upper end of the connecting seat is fixedly connected with an axle length adjusting base, the upper end of the axle length adjusting base is provided with a ring device for installing workpiece support arm, the ring device includes inner ring and outer ring, the inner ring and the axle length adjusting base form a ring groove, the mounting end of multiple workpiece support arms is installed in the ring groove, a clamping block is arranged below each workpiece support arm, adjusting holes are arranged in the corresponding positions of the clamping block and the workpiece support arm, and the clamping block and the workpiece support arm are fixedly connected by cooperating with mounting bolts and nuts.
[0005] Preferably, the workpiece support arm is provided with radius scale lines.
[0006] Preferably, the axial length of the axle length adjusting base is 1 cm, or 2 cm, or 5 cm, or 10 cm.
[0007] Preferably, the circumference of the inner ring is marked with degrees.
[0008] Preferably, the mounting end of the workpiece support arm is arc-shaped, and the mounting end of the clamping block is arc-shaped.
[0009] Preferably, one end of the connecting seat extends a positioning portion which is inserted into a positioning hole provided on the mounting base to form positioning.
[0010] Preferably, the outer ring is fixed to the connecting seat by bolts, and the inner ring is fixed to the connecting seat by bolts.
[0011] Preferably, the connecting seat and the mounting base are fixed by bolts, and the mounting base is fixed to the rack by bolts.
[0012] Preferably, small particle protrusions are arranged on the contact surfaces between the mounting base, the connecting seat, the shaft length adjusting base, the inner ring, the outer ring, the workpiece support arm, and the clamping block.
[0013] The present application has the advantages that: 1. By arranging shaft length adjusting bases with different heights, when rack tests are performed on different types of reducers, the present application can support the reducers in the axial direction by selecting appropriate shaft length adjusting bases when the driving shaft of the rack is connected and matched with the reducers.
[0014] 2. By arranging workpiece support arms, when rack tests are performed on different types of reducers, the present application can ensure that the workpiece support arms can be bolted with the mounting and fixing parts of the reducers by adjusting the circumferential positions of the workpiece support arms and arranging adjusting holes to enable the mounting bolts to move radially along the adjusting holes, thereby preventing the reducers from moving during the rack test and affecting the test results.
[0015] 3. By arranging shaft length adjusting bases and workpiece support arms, the present application can adjust the axial and radial directions to a certain extent, use one set of tooling equipment to complete tests on multiple reducer models, greatly reduce the tooling design and manufacturing costs and the increase in test cycle caused by tooling design and manufacturing during product development, and achieve cost reduction while improving test efficiency. BRIEF DESCRIPTION OF DRAWINGS
[0016] Figure 1 is a structural schematic view of the present application; Figure 2 is a structural sectional view of the present application; Figure 3 is a structural schematic view of the mounting base of the present application; Figure 4 is a structural schematic view of the connecting seat of the present application; Figure 5 Fig. 1 is a schematic diagram of the shaft length adjustment base structure of the present application; Figure 6 Fig. 2 is a schematic diagram of the ring device structure of the present application; Figure 7 Fig. 3 is a schematic diagram of the workpiece support arm structure of the present application; Figure 8 Fig. 4 is a schematic diagram of the clamping block structure of the present application. DETAILED DESCRIPTION
[0017] Reference Signs List Figures 1 to 8A kind of support tool for reducer bench test, including installation base 1, the upper end of the installation base 1 is fixedly connected with a connecting seat 2, one end of the connecting seat 2 extends a positioning part 21, the positioning part 21 is inserted into the positioning hole 11 provided in installation base 1 to form positioning.The connecting seat 2 is fixed with installation base 1 by bolt, and the installation base 1 is fixed on the bench by bolt.The upper end of the connecting seat 2 is fixedly connected with a shaft length adjusting base 3, and the axial length (i.e. height) of the shaft length adjusting base 3 is 1 cm, or 2 cm, or 5 cm, or 10 cm, or other height, to ensure that the driving shaft of the bench is connected with the reducer sample, but due to the different sizes of different types of reducer samples, the length of the part of the driving shaft that passes through the central hole of the tool is required to be different when connecting different types of reducer samples, therefore, by selecting shaft length adjusting base 3 with different heights to meet the needs of different types of reducer samples, installation is more convenient.The upper end of the shaft length adjusting base 3 is provided with an annular device for installing workpiece support arm, the annular device includes inner ring 4 and outer ring 5, and the outer ring 5 is fixed with the connecting seat 2 by bolt; the inner ring 4 is fixed with the connecting seat 2 by bolt.The inner ring 4 and the shaft length adjusting base 3 form a ring groove 41, and the mounting end 61 of a plurality of workpiece support arms 6 is mounted in the ring groove 41, and 11 workpiece support arms 6 are provided in the embodiment.The circumference of the inner ring 7 is marked with degrees, which can pre-set the position of the workpiece support arm 6 on the circumference according to different types of reducers, increasing installation efficiency.The workpiece support arm 6 is provided with radius scale line, which can pre-set the position of the mounting bolt 8 according to the radius of different types of reducers according to the radius scale line provided on the workpiece support arm 6, increasing installation efficiency.A clamping block 7 is provided below each workpiece support arm 6, and adjusting holes 10 are provided in the corresponding positions of the workpiece support arm 6 and the clamping block 7 respectively, so that the mounting bolt 8 is adjustable in the radial range, and the clamping block 7 is fixedly connected with the workpiece support arm 6 by the cooperation of the mounting bolt 8 and the nut 9.The mounting end 62 of the workpiece support arm 6 is arc-shaped, which is arranged in an arc shape to make the mounting end 62 of the workpiece support arm 6 fit the ring groove 41, facilitating the adjustment of the position of the workpiece support arm 6 on the circumference.The mounting end 71 of the clamping block 7 is arc-shaped, which is arranged in an arc shape to make the clamping block 7 fit the outer ring, facilitating the adjustment of the position of the clamping block 7 on the circumference.The contact surfaces between the installation base 1, the connecting seat 2, the shaft length adjusting base 3, the inner ring 4, the outer ring 5, the workpiece support arm 6 and the clamping block 7 are all provided with small particle protrusions to increase surface roughness, increase installation friction, ensure installation stability, and avoid inaccurate bench test results due to unstable tool during reducer bench test.
[0018] The use process of the tool is that the installation base 1 of the tool is fixed with the test bench through bolts, the driving shaft of the test bench passes through the middle through hole, according to the specific requirements of the reducer sample to be detected, the appropriate shaft length adjusting base 3 is selected, the circumferential position of the workpiece supporting arm 6 is adjusted according to the reducer sample, finally the position of the mounting bolt 8 is adjusted according to the mounting and fixing part of the reducer sample, and the reducer sample is fixed through the mounting bolt 8 and the nut 9, and the reducer bench test can be carried out.
[0019] The above only describes the preferred embodiments of the present application and is not used to limit the present application, and the changes made by the person skilled in the art without departing from the spirit of the present application fall within the protection scope of the present application.
Claims
1. A support tooling for a reducer bench test, characterized by: The utility model relates to a workpiece support arm installation base, including installation base (1), the installation base (1) upper end fixed connection one connecting seat (2), the connecting seat (2) upper end fixed connection one axle length adjustment base (3), the axle length adjustment base (3) upper end sets up one for installing workpiece support arm ring device, the ring device includes inner ring (4), outer ring (5), the inner ring (4) with axle length adjustment base (3) between form ring groove (41), a plurality of workpiece support arm (6) mounting end (61) are installed in ring groove (41), the lower of each workpiece support arm (6) all correspond to set up clamping block (7), the clamping block (7) with workpiece support arm (6) corresponding position all set up respectively set up adjusting hole (10), through the cooperation of mounting bolt (8) and nut (9) with clamping block (7) and workpiece support arm (6) fixed connection.
2. A support tool for a reducer bench test according to claim 1, characterized in that: The workpiece support arm (6) is provided with radius scale lines.
3. The support tooling for a reducer bench test of claim 1, wherein: The axial length of the axle length adjustment base (3) is 1cm, or 2cm, or 5cm, or 10cm.
4. The support tooling for a reducer bench test of claim 1, wherein: The circumference of the inner ring (7) is marked with degrees.
5. The support tooling for a reducer bench test of claim 1, wherein: The mounting end (62) of the workpiece support arm (6) is arc-shaped, and the mounting end (71) of the clamping block (7) is arc-shaped.
6. A support tool for a reducer bench test according to claim 1, characterized in that: One end of the connecting seat (2) extends a positioning part (21), the positioning part (21) is inserted into the positioning hole (11) arranged on the installation base (1) to form positioning.
7. A support tool for a reducer bench test according to claim 1, characterized in that: The outer ring (5) is fixed with the connecting seat (2) through a bolt, and the inner ring (4) is fixed with the connecting seat (2) through a bolt.
8. The support tooling for a reducer bench test of claim 1, wherein: The connecting seat (2) and the installation base (1) are fixed through a bolt, and the installation base (1) is fixed on a rack through a bolt.
9. The support tooling for a reducer bench test of claim 1, wherein: Small particle protrusions are arranged on the contact surfaces between the installation base (1), the connecting seat (2), the axle length adjustment base (3), the inner ring (4), the outer ring (5), the workpiece support arm (6) and the clamping block (7).