Long shaft outer surface concentricity detection device
By designing an automatic rotating long shaft detection device, the problem that existing devices can only detect long shafts of different lengths is solved, enabling the detection of long shafts of different thicknesses, simplifying operation, and improving detection efficiency and flexibility.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-05-14
- Publication Date
- 2026-03-27
AI Technical Summary
Existing long shaft concentricity testing devices can only detect long shafts of different lengths, but cannot detect long shafts of different thicknesses. Furthermore, they require manual rotation of the long shaft, which is cumbersome and affects testing efficiency.
A detection device comprising components such as a fixed base, a sliding base, a wheel frame, a rotating rod, a motor, and a trackless cylinder was designed. By automatically rotating a long shaft, it can detect shafts of different thicknesses, simplifying operation and improving efficiency.
It enables automatic detection of shafts of different thicknesses and lengths, simplifies operation, saves manpower, and improves detection efficiency and device flexibility.
Smart Images

Figure CN224051304U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to concentricity detection technical field especially relates to a long axis outer surface concentricity detection device. BACKGROUND
[0002] Long axis outer surface concentricity detection is a kind of precision measurement technology, for evaluating the concentricity of the outer cylindrical surface of long axis type part and axis, and the concentricity refers to the deviation degree between the actual geometric center line of part and ideal geometric center line.
[0003] The existing long axis outer surface concentricity detection is usually placed first between the long axis of support wheel, then the long axis multiple point position is detected by height gauge, and the concentricity is measured by comparing the position of multiple points, but the current device can only detect long axis of different lengths, cannot detect long axis of different thickness, has low use flexibility, and when different surfaces of long axis need to be detected, long axis needs to be rotated manually, operation is more cumbersome, consumes manpower, affects the efficiency of detection, and is more inconvenient.
[0004] Therefore, a long axis outer surface concentricity detection device capable of automatically rotating long axis, simple operation, saving manpower, improving work efficiency, detecting long axis of different thickness and improving the flexibility of using the device needs to be designed. UTILITY MODEL CONTENTS
[0005] In order to overcome the defects that the existing long axis outer surface concentricity detection can only detect long axis of different lengths, cannot detect long axis of different thickness, has low use flexibility, and when different surfaces of long axis need to be detected, long axis needs to be rotated manually, operation is more cumbersome, consumes manpower and affects the efficiency of detection, the utility model provides a long axis outer surface concentricity detection device capable of automatically rotating long axis, simple operation, saving manpower, improving work efficiency and detecting long axis of different thickness to improve the flexibility of using the device.
[0006] Technical scheme: a long axis outer surface concentricity detection device, including fixed seat, sliding seat, wheel frame, second runner, trackless cylinder, first sliding frame, lifting frame, second sliding frame and height gauge, the left and right two parts of fixed seat are slidably connected with sliding seat, the upper sides of front and rear two parts of sliding seat are connected with wheel frame, the second runner is rotatably connected on wheel frame, the rear side of fixed seat is connected with trackless cylinder, the sliding block of trackless cylinder is connected with first sliding frame, the upper part of first sliding frame is slidably connected with lifting frame, the front part of lifting frame is slidably connected with second sliding frame, the upper side of right part of second sliding frame is connected with height gauge.
[0007] In a preferred embodiment of the utility model, the second runner is made of nylon material.
[0008] In a preferred embodiment of the utility model, still include fixed frame, rotating rod, torsional spring, motor and first runner, the fixed seat upside all is connected with fixed frame, the fixed frame upper part all is connected with rotating rod, rotating rod left and right sides all are connected with torsional spring between adjacent fixed frame, rotating rod rear outside all are connected with motor, motor's output shaft all are connected with first runner, first runner all are connected with adjacent rotating rod rotation type.
[0009] In a preferred embodiment of the utility model, first runner adopts polyurethane material.
[0010] In a preferred embodiment of the utility model, still include screw, the rear of elevating support is connected with screw in screw thread type, the screw thread type connection also has screw on second sliding frame, the front screw is contacted with first sliding frame, and the rear screw is contacted with elevating support.
[0011] In a preferred embodiment of the utility model, the screw is equipped with knob.
[0012] Compared with the prior art, the utility model has the advantages that: the utility model places the long shaft between the second runner, rotates the long shaft through the rotating rod, adjusts the height of the elevating support, starts the motor, drives the first runner to rotate, drives the long shaft to rotate, can automatically rotate the long shaft, is simple to operate, saves manpower, improves work efficiency, can detect long shafts of different thicknesses, and improves the flexibility of using the device. ACCURACY OF DRAWINGS
[0013] Figure 1 It is the first kind of three-dimensional structure schematic diagram of the utility model.
[0014] Figure 2 It is the second kind of three-dimensional structure schematic diagram of the utility model.
[0015] Among them, the above-mentioned drawing includes the following sign: 1, fixed seat, 2, sliding seat, 3, fixed frame, 4, rotating rod, 5, torsional spring, 6, motor, 7, first runner, 8, wheel frame, 9, second runner, 10, trackless cylinder, 11, first sliding frame, 12, elevating support, 13, screw, 14, second sliding frame, 15, height gauge. DETAILED DESCRIPTION
[0016] Although the utility model can be described in relation to a particular application or industry, those skilled in the art will recognize a broader applicability of the utility model. Those of ordinary skill in the art will recognize that terms such as: above, below, upward, downward, etc. are used to describe the drawings and are not meant to limit the scope of the utility model as defined by the appended claims. Any numerical designations such as: first or second are merely illustrative and are not intended to limit the scope of the utility model in any way.
[0017] A device for detecting the concentricity of the outer surface of a long axis, such as Figure 1 and Figure 2 As shown, the system includes a fixed base 1, a sliding base 2, a fixed frame 3, a rotating rod 4, a torsion spring 5, a motor 6, a first rotating wheel 7, a wheel frame 8, a second rotating wheel 9, a trackless cylinder 10, a first sliding frame 11, a lifting frame 12, a screw 13, a second sliding frame 14, and a height gauge 15. The fixed base 1 is slidably connected to the sliding base 2 on both sides. A fixed frame 3 is connected to the upper side of each fixed base 1. A rotating rod 4 is connected to the upper part of each fixed frame 3. Torsion springs 5 connect the rotating rod 4 to adjacent fixed frames 3 on both sides. A motor 6 is connected to the outer rear part of each rotating rod 4. A first rotating wheel 7 is connected to the output shaft of each motor 6. The first rotating wheel 7 is made of polyurethane, which has high wear resistance, good tear resistance, and oil resistance. The first rotating wheel 7 is rotatably connected to the adjacent rotating rod 4. Wheel frames 8 are connected to the upper front and rear parts of the sliding base 2. A second rotating wheel 9 is rotatably connected to each wheel frame 8. The second rotating wheel 9 is made of nylon, which is lightweight. 、 It features wear resistance, good self-lubrication, rust resistance, and low noise. The fixed base 1 is connected to the rear side of a trackless cylinder 10. The slider of the trackless cylinder 10 is connected to a first sliding frame 11. The upper part of the first sliding frame 11 is slidably connected to a lifting frame 12. The rear part of the lifting frame 12 is threadedly connected to a screw 13, which has a knob. The front part of the lifting frame 12 is slidably connected to a second sliding frame 14, which is also threadedly connected to a screw 13. The rear screw 13 contacts the lifting frame 12, and the front screw 13 contacts the first sliding frame 11. The upper right side of the second sliding frame 14 is connected to a height gauge 15.
[0018] In use of the device, first, the fixed seat 1 is placed in the long shaft outer surface concentricity detection area, then the sliding seat 2 is moved according to the length of the long shaft, the rotating rod 4 is rotated upward on the fixed frame 3, the torsional spring 5 is deformed, then the long shaft is placed between the second rotating wheels 9, after confirming that the parts are placed, the rotating rod 4 is loosened, the torsional spring 5 is restored, the rotating rod 4 is rotated to reset, the second sliding frame 14 is adjusted first, so that the height gauge 15 is aligned with the long shaft, the knob is rotated, the screw 13 is rotated, the second sliding frame 14 is fixed through the screw 13, then the height of the lifting frame 12 is adjusted according to the thickness of the long shaft, the screw 13 is tightened, the lifting frame 12 is fixed, the long shaft is detected through the height gauge 15, then the trackless air cylinder 10 is started, the first sliding frame 11 is moved, other positions of the long shaft are tested through the height gauge 15, then the surface concentricity of the long shaft is detected by comparing the detection data of multiple points, when other surfaces of the long shaft need to be tested, the motor 6 is started, the first rotating wheel 7 is rotated, the long shaft is rotated, the second rotating wheel 9 is rotated on the wheel frame 8, so that the long shaft can be automatically rotated, the operation is simple, the manpower is saved, the work efficiency is improved, and long shafts with different thicknesses can be detected, the flexibility of using the device is improved.
[0019] The above examples are provided for those skilled in the art to implement or use the utility model, those skilled in the art can make various modifications or changes to the above examples without departing from the utility model idea of the utility model, therefore the protection scope of the utility model is not limited by the above examples, but should be the maximum scope meeting the innovative features mentioned in the claims.
Claims
1. A long axis outer surface concentricity detection device, comprising The utility model provides a fixed seat (1), sliding seat (2), wheel frame (8), second runner (9), trackless cylinder (10), first sliding frame (11), lifting frame (12), second sliding frame (14) and altimeter (15), the left and right two parts of fixed seat (1) are slidably connected with sliding seat (2), the upper side of the front and rear two parts of sliding seat (2) is connected with wheel frame (8), and the upper side of wheel frame (8) is rotatably connected with second runner (9), and the rear side of fixed seat (1) is connected with trackless cylinder (10), and the slider of trackless cylinder (10) is connected with first sliding frame (11), and the upper part of first sliding frame (11) is slidably connected with lifting frame (12), and the front part of lifting frame (12) is slidably connected with second sliding frame (14), and the right upper side of second sliding frame (14) is connected with altimeter (15).
2. A long axis outer surface concentricity measuring device as claimed in claim 1, wherein, Second runner (9) adopts nylon material.
3. A long axis outer surface concentricity measuring device as claimed in claim 2, wherein, It further includes fixed frame (3), rotating rod (4), torsional spring (5), motor (6) and first runner (7), the upper side of fixed seat (1) is connected with fixed frame (3), the upper part of fixed frame (3) is connected with rotating rod (4), the left and right sides of rotating rod (4) are connected with adjacent fixed frame (3) between torsional spring (5), the outer side of rear part of rotating rod (4) is connected with motor (6), and the output shaft of motor (6) is connected with first runner (7), and first runner (7) is rotatably connected with adjacent rotating rod (4).
4. A long axis outer surface concentricity measuring device as claimed in claim 3, wherein, First runner (7) adopts polyurethane material.
5. A long axis outer surface concentricity measuring device as claimed in claim 4, wherein, It further includes screw (13), the rear part of lifting frame (12) is threadedly connected with screw (13), and the upper part of second sliding frame (14) is also threadedly connected with screw (13), and the screw (13) of front part is in contact with first sliding frame (11), and the screw (13) of rear part is in contact with lifting frame (12).
6. A long axis outer surface concentricity measuring device as claimed in claim 5, wherein, The screw (13) is provided with a knob.