Shaft end bearing end face distance measuring device
By introducing reference sensors and multiple end face sensors into the bearing measurement equipment, the problem of insufficient bearing height detection and insufficient reference height consistency detection in the prior art is solved, and higher detection accuracy and smaller errors are achieved.
Patent Information
- Application Number
- CN202420638793.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-03-29
- Publication Date
- 2025-04-25
- Estimated Expiration
- 2034-03-29
AI Technical Summary
When existing bearing measuring equipment detects multiple bearing heights, manual inspection is not accurate enough and has large errors, and the consistency of the reference height cannot be detected, resulting in foreign matter or impurities affecting the detection results.
A shaft end bearing end face distance measurement device is designed, including a frame, a base, a detection mechanism and a support mechanism. By setting up a reference sensor to verify the reference height, ensure the consistency of the reference height, and install multiple end face sensors on the detection mechanism to jointly detect the bearing height to improve detection accuracy.
The accuracy of the reference height is detected by the reference sensor to avoid the influence of foreign matter and impurities. Combined with the detection of multiple end face sensors, the accuracy of bearing height detection is significantly improved and errors are reduced.
Smart Images
Figure CN222799983U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to distance measuring equipment, in particular to a shaft end bearing end surface distance measuring device. Background Art
[0002] At present, bearing measurement is generally performed manually by operators. When measuring the height of multiple bearings, the labor intensity of the operators is greatly increased, and manual detection is usually not accurate enough and has large errors. Authorization announcement number CN216645143U discloses a bearing end face height detection device, including a bracket, a lifting bracket slidably arranged on the bracket, a lifting device driving the lifting bracket to lift up and down, a measuring device fixed on the lifting bracket, an outer ring end face height detection device and an inner ring end face height detection device slidable up and down on the lifting bracket, the measuring device includes an outer ring measuring pen and an inner ring measuring pen fixed on the lifting bracket, the outer ring end face height detection device includes an outer ring frame, an outer ring probe arranged on the outer ring frame and an outer ring measuring frame, and the inner ring end face height detection device includes an inner ring frame, an inner ring probe arranged on the inner ring frame and an inner ring measuring frame. However, the utility model does not have a detection device on the bearing placement surface, that is, there is no device for detecting whether the reference height is consistent, so that when there are foreign objects or impurities on the bearing placement surface, they cannot be detected, resulting in a large error in the detection result. Summary of the invention
[0003] The problem to be solved by the utility model is to provide a shaft end bearing end face distance measuring device, which can determine the reference height correctly before detection, and multiple end face sensors can detect together, thereby making the final detection result more accurate.
[0004] In order to solve the above technical problems, the technical solution adopted by the utility model is: a device for measuring the end face distance of a shaft end bearing, including a frame and a base, the frame is provided with a detection mechanism and a lifting drive mechanism for driving the detection mechanism to rise and fall; the detection mechanism includes a first support plate and a second support plate movably connected to the first support plate; the second support plate is provided with a first sensor assembly and a second sensor assembly, the first sensor assembly includes an end face sensor for detecting the end face of the workpiece, and the second sensor assembly includes a reference sensor for detecting the reference surface; a supporting mechanism is provided on the base; the supporting mechanism includes a tray and a sliding seat provided at the bottom of the tray, and the top surface of the tray is the reference surface. The use principle of the utility model is: by setting up a reference sensor to check whether the reference height has an error, to avoid foreign matter and impurities affecting the reference height, and then having a greater impact on the final result; the workpiece is installed on the supporting mechanism, and then the height of the workpiece is detected by the end face sensor; so that the detection result is more accurate.
[0005] As an improvement, one end of the first support plate is provided with a vertical plate fixedly connected thereto, and two sides of the first support plate are respectively provided with triangular plates, and the lifting drive mechanism includes a first cylinder fixedly connected to the vertical plate, a first slide rail provided on the frame, and a first slider provided on the back of the vertical plate; the first slider is slidably matched with the first slide rail.
[0006] As an improvement, three mounting holes and three groups of first sensor components are provided on the second support plate, and the first sensor components are fixedly installed at the mounting holes; a rectangular through hole is provided on the first support plate; the first sensor component passes through the rectangular through hole; a limiting column is provided at the bottom of the second support plate; and the end face sensor is fixed at the bottom of the second support plate.
[0007] As an improvement, the first sensor assembly also includes a detection shaft, a counterweight block arranged on the detection shaft, a limit block arranged on the top of the second support plate, and a mounting base arranged at the bottom of the second support plate; the lower end of the detection shaft passes through the counterweight block, the limit block and the mounting hole in sequence and is connected to the pressure head, the mounting base is provided with a mounting groove, and the pressure head is arranged in the mounting groove.
[0008] As an improvement, each group of the first sensor components includes three end face sensors, and the three end face sensors in the same group are evenly distributed around the mounting seat; the pressure head is composed of three evenly distributed pressure blocks, and the end face sensors are arranged between adjacent pressure blocks.
[0009] As an improvement, three groups of second sensor components are arranged on the second support plate, and the three groups of second sensor components are distributed in a triangle; the second sensor component also includes a mounting column arranged at the bottom of the second support plate, and the reference sensor is fixed on the mounting column.
[0010] As an improvement, a floating assembly is provided on the second support plate, and the floating assembly includes a guide rod and a buffer rod provided on the second support plate; one end of the guide rod is fixed on the second support plate, and the other end of the guide rod passes through the first support plate; one end of the buffer rod is fixed on the second support plate, and the other end of the buffer rod passes through the first support plate, and a nut is provided at one end of the buffer rod passing through the first support plate, and a spring is provided between the nut and the first support plate.
[0011] As an improvement, the supporting mechanism further comprises a second slide rail arranged on the base, a second cylinder for driving the slide seat, and a second slider arranged at the bottom of the slide seat; the second slider is slidably matched with the second slide rail.
[0012] As an improvement, locking blocks are provided on the four corners of the sliding seat, and the sliding seat and the tray are fixedly connected via the locking blocks.
[0013] As an improvement, a workpiece seat is provided on the pallet, and a positioning column is provided on the workpiece seat for facilitating the positioning and placement of the workpiece.
[0014] The beneficial effects of the utility model are:
[0015] 1. By setting up a reference sensor to detect whether there is any deviation in the height of the reference plate, foreign matter and impurities are prevented from appearing on the reference plate, which will have a significant impact on the final test results.
[0016] 2. Three end face sensors are set up on each detection axis to make the final result more accurate. BRIEF DESCRIPTION OF THE DRAWINGS
[0017] Figure 1 It is a three-dimensional diagram of the utility model.
[0018] Figure 2 It is a schematic diagram of the three-dimensional structure behind the external hidden fence of the utility model.
[0019] Figure 3 It is a schematic diagram of the three-dimensional structure of the detection mechanism.
[0020] Figure 4 It is a schematic diagram of the three-dimensional structure of the first support plate and the first cylinder.
[0021] Figure 5 It is a schematic diagram of the three-dimensional structure of the second support plate, the first sensor assembly and the second sensor assembly.
[0022] Figure 6 It is a schematic diagram of the three-dimensional structure of the first sensor component.
[0023] Figure 7 It is a schematic diagram of the three-dimensional structure of the mounting base and the pressure head.
[0024] Figure 8 A schematic diagram of the three-dimensional structure of the base.
[0025] Explanation of the reference numerals in the figure: 1. protective fence; 2. rack; 3. lifting drive mechanism; 31. first cylinder; 32. first slide rail; 33. first slide block; 4. detection mechanism; 41. first support plate; 411. vertical plate; 412. triangle plate; 413. rectangular through hole; 42. second support plate; 421. floating assembly; 422. guide rod; 423. buffer rod; 424. spring; 425. limit column; 5. first sensor assembly; 5 1. Detection axis; 52. Counterweight block; 53. Limit block; 54. Mounting seat; 541. Mounting groove; 55. Pressure head; 56. End face sensor; 6. Second sensor assembly; 61. Mounting column; 62. Reference sensor; 7. Base; 8. Supporting mechanism; 81. Tray; 82. Sliding seat; 83. Second cylinder; 84. Second slide rail; 85. Connecting block; 86. Locking block; 87. Workpiece seat; 871. Positioning column; 88. Handle. Implementation
[0026] The utility model is further described in detail below in conjunction with the accompanying drawings of the specification;
[0027] like Figures 1 to 4As shown, a device for measuring the end face distance of a shaft end bearing comprises a frame 2, a base 7 and a protective fence 1 arranged on the periphery of the frame 2; a detection mechanism 4 and a lifting drive mechanism 3 for driving the detection mechanism 4 to rise and fall are arranged on the frame 2; the detection mechanism 4 comprises a first support plate 41 and a second support plate 42 movably connected to the first support plate 41; triangular plates 412 are arranged on both sides of the first support plate 41; a vertical plate 411 is arranged at one end of the first support plate 41 and vertically fixedly connected to it, and the vertical plate 411 is connected to the lifting drive mechanism 3, and the lifting drive mechanism 3 comprises a first cylinder 31, a first slider 33 and a first slide rail 32 slidably matched with the first slider 33, the first slide rail 32 is fixed on the frame 2, the first slider 33 is arranged on the back of the vertical plate 411, and the first cylinder 31 is fixedly connected to the vertical plate 411; the first cylinder 31 pushes the vertical plate 411 so that the first slider 33 moves on the first slide rail 32, thereby pushing the detection mechanism 4 to move. The second support plate 42 is provided with three groups of first sensor components 5 and three groups of second sensor components 6. The second support plate 42 is provided with a mounting hole. The first sensor component 5 is fixed at the mounting hole by a fixed connection. The first support plate 41 is provided with a rectangular through hole 413. The first sensor component 5 passes through the rectangular through hole 413. The first sensor component 5 includes an end face sensor 56, a detection shaft 51, a counterweight block 52, a limit block 53 and a mounting seat 54; the end face sensor 56 is fixed on the second support plate 42, and each group of first sensor components 5 is provided with three end face sensors 56; the three end face sensors 56 on the same first sensor component 5 are evenly distributed on the periphery of the mounting seat 54 in a circumferential manner, and the angle between the three end face sensors 56 on the same first sensor component 5 is 120°. The end face sensor 56 is fixed at the bottom of the second support plate 42. The limit block 53 and the counterweight block 52 are arranged on the detection shaft 51. The detection shaft 51 passes through the counterweight block 52, the limit block 53 and the mounting hole in sequence and is connected to the pressure head 55. The pressure head 55 is composed of three pressure blocks evenly distributed around the circumference, and the end face sensor 56 is arranged between adjacent pressure blocks; the mounting seat 54 is fixed to the bottom of the second support plate 42, and the mounting seat 54 is provided with a mounting groove 541, and the pressure head is arranged in the mounting groove 541; the counterweight block 52 is fixed on the detection shaft 51 after weighing, ensuring that the pressure on each detection shaft 51 is 100N; through this embodiment, the pressure head 55 can fit the end face of the workpiece as closely as possible, and at the same time, the workpiece is subjected to uniform force.
[0028] like Figures 5 to 8As shown, the second sensor assembly 6 includes a mounting column 61 arranged on the second support plate 42 and a reference sensor 62 fixed on the mounting column 61, and a supporting mechanism 8 is provided on the base 7. The supporting mechanism 8 includes a sliding seat 82 arranged on the base 7 and a tray 81 arranged on the sliding seat 82, and the top surface of the upper tray 81 is the reference surface; the reference sensor 62 is used to verify whether the reference is accurate, so as to avoid deviation of the reference due to foreign matter or impurities on the tray 81, thereby affecting the final measurement result. A floating assembly 421 is provided on the second support plate 42, and the floating assembly 421 includes three guide rods 422 and three buffer rods 423 provided on the second support plate 42; the three guide rods 422 are distributed on the second support plate 42 in a triangular shape, one end of the guide rod 422 is fixed on the second support plate 42, and the other end of the guide rod 422 passes through the first support plate 41; the three buffer rods 423 are distributed on the second support plate 42 in an inverted triangle shape, one end of the buffer rod 423 is fixed on the second support plate 42, and the other end of the buffer rod 423 passes through the first support plate 41, and a nut is provided at one end of the buffer rod 423 passing through the first support plate, and a spring 424 is provided between the nut and the first support plate 41; a limiting column 425 is provided at the bottom of the second support plate 42; when the limiting column 425 touches the tray 81, an upward rebound force is given to the limiting column 425, and at this time, the spring 424 plays a buffering role, thereby protecting the equipment.
[0029] like Figure 8 As shown, the supporting mechanism 8 also includes a second slide rail 84 arranged on the base 7 and a second cylinder 83 for driving the sliding seat 82; a second slider is arranged at the bottom of the sliding seat 82, and the second slider and the second slide rail 84 are slidably matched; a connecting block 85 is arranged on the sliding seat 82, and the connecting block 85 is fixedly connected to the sliding seat 82, and the second cylinder 83 pushes the connecting hole to make the second slider move on the second slide rail 84. Locking blocks 86 are arranged on the four corners of the sliding seat 82, and the sliding seat 82 and the tray 81 are fixedly connected by the locking blocks 86. A handle 88 and a workpiece seat 87 are arranged on the tray 81, and a positioning column 871 for calibrating the position of the workpiece is arranged on the workpiece seat 87 to avoid deviation in the position of the workpiece when the operator places the workpiece, thereby affecting the final result. At the same time, the utility model is provided with a temperature compensation mechanism to make the final detection result more accurate.
[0030] The working principle of the utility model is as follows: first, the entire supporting mechanism 8 is pushed out by the second cylinder 83, and then the operator manually loosens the locking block 86 on the supporting plate; the operator moves the tray 81 out by the handle 88, and then the workpiece is placed on the workpiece seat 87 by the positioning column 871, and then the tray 81 is fixed on the sliding seat 82 by the locking block 86; the counterweight block 52 that has been weighed in advance is placed on the detection shaft 51, so that the end face sensor 56 on the detection shaft 51 can be in uniform contact with the end face of the workpiece and the force is uniform; the detection mechanism 4 is moved by the first cylinder 31; the reference sensor 62 is used to detect whether the reference is wrong, so as to avoid foreign matter or impurities on the reference surface affecting the detection result; when the pressure head 55 is in contact with the end face of the workpiece, the end face sensor 56 detects the final result.
Claims
1. A device for measuring the distance between the end faces of shaft end bearings, comprising a frame and a base, characterized in that: The frame is provided with a detection mechanism and a lifting drive mechanism for driving the detection mechanism to rise and fall; the detection mechanism includes a first support plate and a second support plate movably connected to the first support plate; the second support plate is provided with a first sensor assembly and a second sensor assembly, the first sensor assembly includes an end surface sensor for detecting the end surface of the workpiece, and the second sensor assembly includes a reference sensor for detecting the reference surface; A supporting mechanism is arranged on the base; the supporting mechanism comprises a tray and a sliding seat arranged at the bottom of the tray, and the top surface of the tray is a reference surface.
2. A device for measuring the distance between end faces of shaft ends and bearings as claimed in claim 1, characterized in that: One end of the first support plate is provided with a vertical plate fixedly connected thereto, and two sides of the first support plate are respectively provided with triangular plates. The lifting drive mechanism includes a first cylinder fixedly connected to the vertical plate, a first slide rail provided on the frame, and a first slider provided on the back of the vertical plate; the first slider is slidably matched with the first slide rail.
3. The device for measuring the distance between the end faces of shaft ends and bearings according to claim 1, characterized in that: The second support plate is provided with three mounting holes and three groups of first sensor components, and the first sensor components are fixedly installed at the mounting holes; the first support plate is provided with a rectangular through hole; the first sensor component passes through the rectangular through hole; a limiting column is provided at the bottom of the second support plate; and the end face sensor is fixed at the bottom of the second support plate.
4. A device for measuring the distance between end faces of shaft ends and bearings as claimed in claim 3, characterized in that: The first sensor assembly also includes a detection shaft, a counterweight block arranged on the detection shaft, a limit block arranged on the top of the second support plate, and a mounting base arranged at the bottom of the second support plate; the lower end of the detection shaft passes through the counterweight block, the limit block and the mounting hole in sequence and is connected to the pressure head, the mounting base is provided with a mounting groove, and the pressure head is arranged in the mounting groove.
5. A device for measuring the distance between end faces of shaft ends and bearings as claimed in claim 4, characterized in that: Each group of the first sensor components includes three end face sensors, and the three end face sensors in the same group are evenly distributed around the mounting seat; the pressure head is composed of three pressure blocks evenly distributed around the periphery, and the end face sensors are arranged between adjacent pressure blocks.
6. The device for measuring the distance between the end faces of shaft ends and bearings according to claim 1, characterized in that: The second support plate is provided with three groups of second sensor components, which are distributed in a triangle shape; the second sensor component also includes a mounting column arranged at the bottom of the second support plate, and the reference sensor is fixed on the mounting column.
7. A device for measuring the distance between end faces of shaft ends and bearings as claimed in claim 1, characterized in that: A floating assembly is provided on the second support plate, and the floating assembly includes a guide rod and a buffer rod provided on the second support plate; one end of the guide rod is fixed on the second support plate, and the other end of the guide rod passes through the first support plate; one end of the buffer rod is fixed on the second support plate, and the other end of the buffer rod passes through the first support plate, and a nut is provided on one end of the buffer rod passing through the first support plate, and a spring is provided between the nut and the first support plate.
8. The device for measuring the distance between the end faces of shaft ends and bearings according to claim 1, characterized in that: The supporting mechanism also includes a second slide rail arranged on the base, a second cylinder for driving the slide seat, and a second slide block arranged at the bottom of the slide seat; the second slide block is slidably matched with the second slide rail.
9. A device for measuring the distance between end faces of shaft ends and bearings as claimed in claim 8, characterized in that: Locking blocks are arranged on the four corners of the sliding seat, and the sliding seat and the tray are fixedly connected via the locking blocks.
10. The device for measuring the distance between the end faces of shaft ends and bearings according to claim 1, characterized in that: The tray is provided with a workpiece seat, and the workpiece seat is provided with a positioning column for facilitating the positioning and placement of the workpiece.