Device for automatically measuring flow velocity of liquid lubricating material
By designing a device that automatically determines the flow rate of liquid lubricating materials, the problem of lowering the accuracy of the test results caused by inconsistent material of inclined plates, insufficient flatness, and unstable inclination angle in the prior art is solved, and more efficient and accurate test results are achieved.
Patent Information
- Application Number
- CN202421409485.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-20
- Publication Date
- 2025-03-11
- Estimated Expiration
- 2034-06-20
AI Technical Summary
When determining the flow rate of metallurgical bearing lubricant oil in the prior art, it is easy to reduce the accuracy of the test results due to inconsistent material of the inclined plate, insufficient flatness, unstable inclination angle, etc., which leads to the manufacturer's error judgment of the yield rate, causing unnecessary losses.
A device for automatically measuring the flow rate of liquid lubricating materials is designed, including a flowing plate base, a base, a drive device, a high-speed camera and a position sensor. The automatic tilt of the bottom plate of the flow plate is achieved through the shaft assembly, connecting rod and driving device, the high-speed camera records the flow state in real time, and the position sensor ensures accurate angle control.
This device solves problems such as replacement of inclined plate material, insufficient flatness, inconsistent inclination angle, improves the repeatability and accuracy of the test, reduces artificial errors, reduces labor intensity, and improves the effectiveness of the data.
Smart Images
Figure CN222599676U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the field of product stability determination of powder metallurgy bearing lubricating materials, and in particular relates to a device for automatically determining the flow velocity of liquid lubricating materials. Background Art
[0002] At present, by measuring the flow rate of metallurgical bearing lubricants on plates of different materials, different roughness, and different inclination angles, the performance differences of lubricants of the same model and formula in different batches can be quickly distinguished. This measurement method is an accumulation of production experience and can help manufacturers quickly and effectively define the success rate of products. However, this test method is prone to some problems in actual use, resulting in a reduced reference value of the test results, such as:
[0003] A) The flatness of the inclined plate material is insufficient, the material is difficult to change, and the surface roughness consistency is poor;
[0004] B) The angle of the inclined plate is inconsistent and the speed of angle change is inconsistent;
[0005] C) It is not convenient to record the flow state of lubricating materials in the initial, middle and final stages in real time, and it is not convenient to analyze the flow rate difference in different stages;
[0006] Because of the above reasons, the accuracy of the test results is reduced in the simultaneous testing of multiple oil products, and even the manufacturer misjudges the yield rate, resulting in unnecessary losses. Utility Model Content
[0007] In view of the problems existing in the background technology, the utility model provides a device for automatically measuring the flow rate of liquid lubricating material, which solves a series of problems such as inclined plate material replacement, insufficient flatness, inconsistent inclination angle, inconsistent angle change speed, and inconvenience in stage analysis.
[0008] To achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a device for automatically measuring the flow velocity of a liquid lubricating material, comprising an oil flow plate bottom plate and a base, wherein the left end of the oil flow plate bottom plate is rotatably connected to the left end of the base through a rotating shaft assembly; a connecting seat is provided on the lower end surface of the oil flow plate bottom plate, the connecting seat is rotatably connected to one end of a connecting rod, and the other end of the connecting rod is connected to a driving device inside the base; n horizontal quantitative oil flow plates and a scale are provided on the upper end surface of the oil flow plate bottom plate; the rear end of the oil flow plate bottom plate is connected to a camera bracket, and n high-speed cameras are provided on the camera bracket.
[0009] The driving device includes a slider, a lead screw, a driving seat and a motor; the driving seat is installed on the bottom surface of the base, a lead screw is provided above the driving seat, a slider is provided on the lead screw, the right end of the lead screw is connected to the main shaft of the motor, and the motor is installed on the right end surface of the base; the slider is rotatably connected to the connecting rod, when the lead screw rotates, the slider moves, and the movement of the slider changes the inclination angle of the bottom plate of the oil flow plate.
[0010] The quantitative oil flow plate and the scale are connected to the upper end surface of the oil flow plate bottom plate by bolts. The scale is installed on one side of the oil flow plate bottom plate, and the starting end of the scale is aligned with the left end surface of the oil flow plate bottom plate.
[0011] A position sensor bracket is arranged on the front end surface of the base, and a position sensor is arranged on the position sensor bracket.
[0012] The high-speed cameras are located directly above the quantitative oil flow plates, and the number of the high-speed cameras is the same as the number of the quantitative oil flow plates.
[0013] The motor is a servo motor.
[0014] The beneficial effects of the utility model are as follows: the utility model provides a device for automatically measuring the flow rate of liquid lubricating materials, which solves a series of problems such as inclined plate material replacement, insufficient flatness, inconsistent inclination angles, inconsistent angle change speeds, and inconvenience in stage analysis; it enables experimenters to quickly and efficiently measure the flow rate of powder metallurgy bearing lubricating materials at different inclination angles, improves test repeatability, avoids human errors, reduces labor intensity, and improves data validity. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] Figure 1 It is a schematic diagram of the utility model.
[0016] Figure 2 This is a diagram of the internal structure of the base.
[0017] In the figure: 1. high-speed camera, 2. camera bracket, 3. quantitative oil flow plate, 4. ruler, 5. oil flow plate bottom plate, 6. position sensor, 7. position sensor bracket, 8. base, 9. shaft assembly, 10. connecting rod, 11. slider, 12. lead screw, 13. drive seat, 14. motor. Implementation
[0018] The technical solution of the utility model will be clearly and completely described below in conjunction with the drawings in the specification. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all of the embodiments; 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.
[0019] The following is a further detailed description of the specific implementation of the utility model in conjunction with the accompanying drawings: a device for automatically measuring the flow velocity of a liquid lubricating material, comprising an oil flow plate bottom plate 5 and a base 8, wherein the left end of the oil flow plate bottom plate 5 is rotatably connected to the left end of the base 8 via a rotating shaft assembly 9; a connecting seat is provided on the lower end surface of the oil flow plate bottom plate 5, the connecting seat is rotatably connected to one end of a connecting rod 10, and the other end of the connecting rod 10 is connected to a driving device inside the base 8; the driving device comprises a slider 11, a lead screw 12, a driving seat 13 and a motor 14; the driving seat 13 is mounted on the bottom surface of the base 8, a lead screw 12 is provided above the driving seat 13, and a lead screw 12 is provided on the lead screw 12 The right ends of the slider 11 and the lead screw 12 are connected to the main shaft of the motor 14, and the motor 14 is installed on the right end surface of the base 8; the motor 14 is a servo motor; the slider 11 is rotatably connected to the connecting rod 10, and when the lead screw 12 rotates, the slider 11 moves, and the movement of the slider 11 changes the inclination angle of the oil flow plate bottom plate 5; n transverse quantitative oil flow plates 3 and scales 4 are provided on the upper end surface of the oil flow plate bottom plate 5; the quantitative oil flow plates 3 and scales 4 are connected to the upper end surface of the oil flow plate bottom plate 5 by bolts, and the scale 4 is installed on one side of the oil flow plate bottom plate 5, and the starting end of the scale 4 is aligned with the left end surface of the oil flow plate bottom plate 5; in order to facilitate the experiment, the quantitative oil flow The plates 3 and the scales 4 are installed together in parallel. Multiple quantitative oil flow plates 3 and scales 4 can be used to conduct experiments on multiple experimental materials at the same time, and can be compared to facilitate the judgment of the experimental results. During the experiment, according to the experimental requirements, it is necessary to frequently change the material and surface roughness of the quantitative oil flow plates 3. Bolt connection is used to facilitate the replacement of different quantitative oil flow plates 3. The rear end of the oil flow plate bottom plate 5 is connected to the camera bracket 2, and n high-speed cameras 1 are arranged on the camera bracket 2. The high-speed cameras 1 are located directly above the quantitative oil flow plates 3, and the number of high-speed cameras 1 is the same as the number of quantitative oil flow plates 3. The oil flow plate bottom plate 5 and the camera bracket 2 The two components are connected by bolts to form an integrated structure. When the angle of the oil flow plate bottom plate 5 changes, the high-speed camera 1 also changes accordingly. The high-speed camera 1 can record the experimental results in real time. A position sensor bracket 7 is provided on the front end surface of the base 8, and a position sensor 6 is provided on the position sensor bracket 7. The position sensor 6 is connected to the external control system through a line. The position sensor 6 can transmit the position information of the slider 11 to the control system. The control system can control the inclination angle of the oil flow plate bottom plate 5 according to the position of the slider 11. In actual use, multiple position sensors 6 can be set to prevent the slider 11 from exceeding the limit during movement to avoid accidents.
[0020] The use process of the utility model is as follows: first, the quantitative oil flow plate 3 and the ruler 4 are installed on the upper end surface of the oil flow plate bottom plate 5 and fastened; wherein, the starting end of the ruler 4 is aligned with the left end surface of the oil flow plate bottom plate 5, and the error is ensured to be less than 0.2mm; then the high-speed camera 1 is installed on the camera bracket 2; when the test starts, according to the experimental requirements, the inclination angle of the oil flow plate bottom plate 5 is determined, the high-speed camera 1 is turned on, and the test oil is placed on the quantitative oil flow plate 3, and the oil slides down under the action of gravity; after the experiment, according to the data of the high-speed camera 1, the sliding speed of the oil can be calculated with reference to the ruler 4; when the experimental environment needs to be changed, the experiment can be carried out again by changing the inclination angle of the oil flow plate bottom plate 5, replacing a different quantitative oil flow plate 3, etc., so as to obtain different experimental results.
[0021] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.
[0022] The parts not described in detail in this utility model are prior art.
Claims
1. A device for automatically measuring the flow velocity of a liquid lubricating material, comprising an oil flow plate bottom plate (5) and a base (8), wherein: The left end of the oil flow plate bottom plate (5) is rotatably connected to the left end of the base (8) via a rotating shaft assembly (9); a connecting seat is provided on the lower end surface of the oil flow plate bottom plate (5), the connecting seat is rotatably connected to one end of a connecting rod (10), and the other end of the connecting rod (10) is connected to a driving device inside the base (8); n transverse quantitative oil flow plates (3) and a scale (4) are provided on the upper end surface of the oil flow plate bottom plate (5); the rear end of the oil flow plate bottom plate (5) is connected to a camera bracket (2), and n high-speed cameras (1) are provided on the camera bracket (2).
2. The device for automatically measuring the flow velocity of a liquid lubricating material according to claim 1, characterized in that: The driving device comprises a slider (11), a lead screw (12), a driving seat (13) and a motor (14); the driving seat (13) is mounted on the bottom surface of the base (8); a lead screw (12) is provided above the driving seat (13); a slider (11) is provided on the lead screw (12); the right end of the lead screw (12) is connected to the main shaft of the motor (14); the motor (14) is mounted on the right end surface of the base (8); the slider (11) is rotatably connected to the connecting rod (10); when the lead screw (12) rotates, the slider (11) moves, and the movement of the slider (11) changes the inclination angle of the oil flow plate bottom plate (5).
3. The device for automatically measuring the flow velocity of a liquid lubricating material according to claim 1, characterized in that: The quantitative oil flow plate (3) and the scale (4) are connected to the upper end surface of the oil flow plate bottom plate (5) by bolts. The scale (4) is installed on one side of the oil flow plate bottom plate (5), and the starting end of the scale (4) is aligned with the left end surface of the oil flow plate bottom plate (5).
4. The device for automatically measuring the flow velocity of a liquid lubricating material according to claim 1, characterized in that: A position sensor bracket (7) is provided on the front end surface of the base (8), and a position sensor (6) is provided on the position sensor bracket (7).
5. The device for automatically measuring the flow velocity of a liquid lubricating material according to claim 1, characterized in that: The high-speed cameras (1) are located directly above the quantitative oil flow plates (3), and the number of the high-speed cameras (1) is the same as the number of the quantitative oil flow plates (3).
6. The device for automatically measuring the flow velocity of a liquid lubricating material according to claim 2, characterized in that: The motor (14) is a servo motor.