Encoder axial and radial force durability test device
By designing an encoder shaft and radial force durability testing device, the problem of force influence caused by shaft misalignment during encoder installation was solved, achieving accuracy and stability of the loading force, and shortening the test time and cost.
Patent Information
- Application Number
- CN202423238019.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-26
- Publication Date
- 2025-11-21
- Estimated Expiration
- 2034-12-26
AI Technical Summary
When the encoder is installed, the shafts are not perfectly concentric, which causes axial and radial forces to affect the lifespan of the encoder. Existing technology lacks an effective durability testing device.
Design an encoder shaft and radial force durability testing device, comprising a base, an encoder mounting base, a motor, first and second slide rail assemblies, and an axial and radial force detection mechanism, which detects the force borne by the encoder through the slide rails and sensors.
It ensures the accuracy and stability of the loading force, and can test three samples simultaneously, shortening the test time and saving development costs and cycle.
Smart Images
Figure CN223581242U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to encoder detection technical field, especially a kind of encoder shaft, radial force endurance test device. BACKGROUND
[0002] When encoder is installed and used, the shaft of encoder and the shaft of installation equipment cannot be ensured concentric completely, axial and radial force is applied when encoder rotates, which affects the service life of encoder.According to the tolerance requirement and the installation standard in industry, encoder is allowed to have certain axial and radial force, and meet the service life requirement of electronic product, so axial and radial force endurance test equipment is needed to test the influence of axial and radial force on encoder.
[0003] Therefore, in view of the deficiencies in the prior art, it is necessary to design an encoder shaft, radial force endurance test device to solve the above problems. INVENTION CONTENTS
[0004] To overcome the deficiencies in the prior art, the utility model aims at providing an encoder shaft, radial force endurance test device.
[0005] To achieve the above object and other related objects, the technical scheme provided by the utility model is: an encoder shaft, radial force endurance test device, comprising a base, the base is equipped with encoder mounting seat and motor;The encoder mounting seat is composed of first slide rail assembly, second slide rail assembly, encoder support, axial force detection mechanism and radial force detection mechanism, the first slide rail assembly is arranged on the base along the shaft axis of the encoder to be measured, the second slide rail assembly is arranged on the first slide rail assembly along the radial direction of the shaft of the encoder to be measured, the encoder support is arranged on the second slide rail assembly and is used for installing the encoder to be measured, the axial force detection mechanism is arranged on the first slide rail assembly and is used for detecting the axial force borne by the encoder to be measured, the radial force detection mechanism is arranged on the second slide rail assembly and is used for detecting the radial force borne by the encoder to be measured;The motor is arranged on the base and is used for driving the rotation of the shaft of the encoder to be measured.
[0006] The preferred technical scheme is: the first slide rail assembly is composed of first slide rail and first slide seat, the first slide rail is fixed on the base along the shaft axis of the encoder to be measured, and the first slide seat is slidably arranged on the first slide rail;The second slide rail assembly is composed of second slide rail and second slide seat, the second slide rail is fixed on the first slide seat along the radial direction of the shaft of the encoder to be measured, and the second slide seat is slidably arranged on the second slide rail.
[0007] The preferred technical scheme is that the axial force detection mechanism is composed of a first screw rod mounting base, a first screw rod, a first nut and an axial force sensor, the first screw rod mounting base is fixedly arranged on the base, one end of the first screw rod is arranged in the first screw rod mounting base along the shaft of the encoder to be detected, the first nut is arranged on the part of the first screw rod arranged in the first screw rod mounting base, the other end of the first screw rod is fixedly connected with the axial force sensor, and the axial force sensor is fixedly arranged on the first sliding base.
[0008] The preferred technical scheme is that the radial force detection mechanism is composed of a second screw rod mounting base, a second screw rod, a second nut and a radial force sensor, the second screw rod mounting base is fixedly arranged on the first sliding base, one end of the second screw rod is arranged in the second screw rod mounting base along the shaft of the encoder to be detected, the second nut is arranged on the part of the second screw rod arranged in the second screw rod mounting base, the other end of the second screw rod is fixedly connected with the radial force sensor, and the radial force sensor is fixedly arranged on the second sliding base.
[0009] The preferred technical scheme is that the base is provided with a gear box, an input shaft and three output shafts are arranged around the gear box, the motor is arranged corresponding to the input shaft and is used for driving the input shaft to rotate, and each output shaft corresponds to one encoder mounting base; the gear box is provided with a gear set, and the gear set is configured to drive the three output shafts to rotate simultaneously by driving the input shaft to rotate.
[0010] Due to the above technical scheme, the encoder axial and radial force endurance testing device has the following advantages:
[0011] The encoder axial and radial force endurance testing device provided by the utility model has the advantages that: on one hand, the device can ensure the accuracy and stability of the loading force, which is of great significance to ensure the product performance and service life; on the other hand, the device can test three samples simultaneously, thereby shortening the test time, saving the development cost and shortening the development cycle. BRIEF DESCRIPTION OF DRAWINGS
[0012] Figure 1 FIG. 1 is a structural schematic view of the testing device. DETAILED DESCRIPTION
[0013] The skilled in the art can easily understand other advantages and effects of the utility model from the content disclosed in the specification.
[0014] Please refer to Figure 1It should be noted that in the description of this utility model, the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," and "outer," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, or the orientation or positional relationship commonly used when the utility model product is in use. These terms are used only for the convenience of describing this utility model and for simplifying the description, and do not indicate or imply that the device or component referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model. Furthermore, the terms "first," "second," and "third," etc., are only used to distinguish descriptions and should not be construed as indicating or implying relative importance. The terms "horizontal," "vertical," and "suspended," etc., do not indicate that the component must be absolutely horizontal or suspended, but rather that it can be slightly tilted. For example, "horizontal" simply means that its direction is more horizontal than "vertical," and does not mean that the structure must be completely horizontal, but can be slightly tilted.
[0015] In the description of this utility model, it should also be noted that, unless otherwise explicitly specified and limited, the terms "set," "install," "connect," and "link" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.
[0016] Example:
[0017] like Figure 1 As shown, according to the overall technical concept of this utility model, an encoder shaft and radial force durability testing device is provided, including a base 1, on which an encoder mounting seat and a motor 3 are provided; the encoder mounting seat is composed of a first slide rail assembly 21, a second slide rail assembly 22, an encoder bracket 25, an axial force detection mechanism 23, and a radial force detection mechanism 24. The first slide rail assembly 21 is axially mounted on the base 1 along the rotating shaft of the encoder 100 under test, the second slide rail assembly 22 is radially mounted on the first slide rail assembly 21 along the rotating shaft of the encoder 100 under test, the encoder bracket 25 is mounted on the second slide rail assembly 22 and used to mount the encoder 100 under test, the axial force detection mechanism 23 is mounted on the first slide rail assembly 21 and used to detect the axial force borne by the encoder 100 under test, and the radial force detection mechanism 24 is mounted on the second slide rail assembly 22 and used to detect the radial force borne by the encoder 100 under test; the motor 3 is mounted on the base 1 and used to drive the rotating shaft of the encoder 100 under test to rotate.
[0018] like Figure 1As shown, in an exemplary embodiment of this utility model, the first slide rail assembly 21 is composed of a first slide rail 211 and a first slide block 212. The first slide rail 211 is axially fixed on the base 1 along the rotating shaft of the encoder 100 under test, and the first slide block 212 is slidably mounted on the first slide rail 211. The second slide rail assembly 22 is composed of a second slide rail 221 and a second slide block 222. The second slide rail 221 is radially fixed on the first slide block 212 along the rotating shaft of the encoder 100 under test, and the second slide block 222 is slidably mounted on the second slide rail 221.
[0019] like Figure 1 As shown, in an exemplary embodiment of this utility model, the axial force detection mechanism 23 consists of a first screw mounting base 231, a first screw 232, a first nut 233, and an axial force sensor 234. The first screw mounting base 231 is fixed on the base 1. One end of the first screw 232 is axially inserted into the first screw mounting base 231 along the rotating shaft of the encoder 100 to be tested. The first nut 233 is screwed onto the portion of the first screw 232 inserted into the first screw mounting base 231. The other end of the first screw 232 is fixedly connected to the axial force sensor 234, which is fixed on the first slide block 212.
[0020] like Figure 1 As shown, in an exemplary embodiment of this utility model, the radial force detection mechanism 24 is composed of a second screw mounting base 241, a second screw 242, a second nut 243, and a radial force sensor 244. The second screw mounting base 241 is fixedly mounted on the first slide block 212. One end of the second screw 242 is radially inserted into the second screw mounting base 241 along the rotating shaft of the encoder 100 under test. The second nut 243 is screwed onto the portion of the second screw 242 inserted into the second screw mounting base 241. The other end of the second screw 242 is fixedly connected to the radial force sensor 244, which is fixedly mounted on the second slide block 222.
[0021] like Figure 1 As shown, in an exemplary embodiment of this utility model, a gearbox 4 is provided on the base 1. An input shaft and three output shafts are circumferentially arranged around the gearbox 4. The motor 3 is correspondingly arranged with the input shaft and is used to drive the input shaft to rotate. Each output shaft corresponds to an encoder mounting seat. The gearbox 4 is provided with a gear set (not shown), which is configured to drive the three output shafts to rotate simultaneously by driving the input shaft to rotate.
[0022] Therefore, this utility model has the following advantages:
[0023] The utility model discloses a kind of encoder shaft, radial force endurance test device, one aspect, the device can ensure the accuracy and stability of loading force, it has important significance to ensure product performance and life;On the other hand, the device can test three samples simultaneously, shorten test time, not only save development cost, but also can shorten development cycle.
[0024] The above embodiments only exemplarily illustrate the principles and effects of the present application, and are not intended to limit the present application. Any person skilled in the art can modify or change the above embodiments without departing from the spirit and scope of the present application. Therefore, all equivalent modifications or changes made by those skilled in the art without departing from the spirit and technical concept disclosed by the present application should be covered by the claims of the present application.
Claims
1. An encoder shaft radial force durability testing device, comprising a base, characterized in that: The base is equipped with an encoder mounting bracket and a motor. The encoder mounting bracket consists of a first slide rail assembly, a second slide rail assembly, an encoder bracket, an axial force detection mechanism, and a radial force detection mechanism. The first slide rail assembly is axially mounted on the base along the shaft of the encoder under test. The second slide rail assembly is radially mounted on the first slide rail assembly along the shaft of the encoder under test. The encoder bracket is mounted on the second slide rail assembly and is used to mount the encoder under test. The axial force detection mechanism is mounted on the first slide rail assembly and is used to detect the axial force borne by the encoder under test. The radial force detection mechanism is mounted on the second slide rail assembly and is used to detect the radial force borne by the encoder under test. The motor is mounted on the base and is used to drive the shaft of the encoder under test to rotate.
2. The encoder shaft and radial force durability testing device according to claim 1, characterized in that: The first slide rail assembly consists of a first slide rail and a first slide block. The first slide rail is axially fixed on the base along the rotating shaft of the encoder under test, and the first slide block is slidably mounted on the first slide rail. The second slide rail assembly consists of a second slide rail and a second slide block. The second slide rail is radially fixed on the first slide block along the rotating shaft of the encoder under test, and the second slide block is slidably mounted on the second slide rail.
3. The encoder shaft and radial force durability testing device according to claim 2, characterized in that: The axial force detection mechanism consists of a first screw mounting base, a first screw, a first nut, and an axial force sensor. The first screw mounting base is fixed on the base. One end of the first screw is inserted into the first screw mounting base along the axial direction of the encoder shaft under test. The first nut is screwed onto the part of the first screw inserted into the first screw mounting base. The other end of the first screw is fixedly connected to the axial force sensor, which is fixed on the first slide.
4. The encoder shaft and radial force durability testing device according to claim 2, characterized in that: The radial force detection mechanism consists of a second screw mounting base, a second screw, a second nut, and a radial force sensor. The second screw mounting base is fixed to the first slide. One end of the second screw is radially inserted into the second screw mounting base along the shaft of the encoder under test. The second nut is screwed onto the portion of the second screw inserted into the second screw mounting base. The other end of the second screw is fixedly connected to the radial force sensor, which is fixed to the second slide.
5. The encoder shaft and radial force durability testing device according to claim 1, characterized in that: A gearbox is provided on the base. An input shaft and three output shafts are rotatably arranged around the gearbox. The motor is correspondingly arranged with the input shaft and is used to drive the input shaft to rotate. Each output shaft corresponds to an encoder mounting base. A gear set is provided in the gearbox. The gear set is configured to drive the three output shafts to rotate simultaneously by driving the input shaft to rotate.