Cylinder sleeve contour detection device

By designing a cylinder liner contour inspection device that combines an eddy current flaw detector with a moving stage gripper, the problems of inconvenient and incomplete inspection in the existing technology have been solved. This device enables automatic alignment and all-round inspection of the inner and outer walls of the cylinder liner, improving inspection efficiency and accuracy.

CN224035319UActive Publication Date: 2026-03-24HEBEI XINGYI MACHINERY CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-30
Publication Date
2026-03-24

AI Technical Summary

Technical Problem

Existing cylinder liner testing devices suffer from inconvenience and incompleteness, especially due to their limited testing points and inability to simultaneously test the inner and outer walls of the cylinder liner.

Method used

A cylinder liner contour inspection device was designed, which uses an eddy current flaw detector combined with a moving stage and a gripper structure. The gripper fixes the cylinder liner body and drives it to rotate, while the inspection probe remains stationary, thereby achieving automatic alignment and all-round inspection of the inner and outer walls.

Benefits of technology

It enables stable, all-around inspection of the inner and outer walls of the cylinder liner, simplifies the inspection process, and improves inspection efficiency and accuracy.

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Abstract

The utility model relates to a cylinder sleeve contour detection device which comprises an eddy current flaw detector and further comprises a movable table, a cross-shaped slideway groove is formed in the surface of the movable table, each end of the slideway groove is connected with a clamping jaw, and the four clamping jaws linearly move on the surface of the movable table along the slideway groove; the two collinear clamping jaws are jointly in transmission connection to one action motor and synchronously and reversely move; a fixed table is arranged below the movable table, an extension body is arranged below the fixed table, and the movable table is fixedly connected with the extension body and rotationally connected with the fixed table; a gear ring is fixed to the circumferential face of the extending body, and a driving gear is meshed with the side face of the gear ring and is in transmission connection with a rotating motor. The detection probe is fixed and only the movable table drives the cylinder sleeve body to rotate, so that the detection alignment process is easy to operate, and the detection process is more stable. The cylinder sleeve body is internally supported and fixed through the four clamping jaws in a pairwise alternating mode, and the problem that the peripheral face of the inner wall of the cylinder sleeve body is shielded by the clamping jaws, so that a detection probe cannot detect can be avoided.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the field of cylinder sleeve detection, especially a cylinder sleeve profile detection device. BACKGROUND

[0002] In the production and manufacturing engineering of the cylinder, the inner and outer surfaces of the cylinder sleeve body need to be detected, especially crack detection, which can avoid the cylinder losing function due to the gas leakage of the cylinder sleeve body. In the field, it has been mature to use an eddy current flaw detector for detection, but the detection probe of the eddy current flaw detector is still mainly manually operated, which makes the detection process more labor-intensive and time-consuming. After searching, it is found that there is a cylinder sleeve profile detection device in the field, with publication number CN219390889U. In the scheme, the cylinder sleeve is placed on the support table and hung on the two support rods. The support table can move forward and backward to move away from or close to the detection device, and the detection device moves up and down on the vertical support. The scheme has defects: the measured part and the detection part can move during detection, and there are too many moving parts, which is not conducive to detection alignment; the moving table can rotate, but the cylinder sleeve cannot rotate, making the detection point single; the detection device can only detect the outer wall profile of the cylinder sleeve, and cannot detect the inner wall. In summary, the existing technical scheme still has the problems of inconvenient use and incomplete detection of the cylinder sleeve. SUMMARY

[0003] The purpose of the present application is to provide a cylinder sleeve profile detection device to solve the problems in the prior art.

[0004] The present application provides a cylinder sleeve profile detection device, which comprises an eddy current flaw detector, a moving table, a slide groove in the shape of a cross on the surface of the moving table, a clamping jaw connected to each end of the slide groove, four clamping jaws moving linearly along the slide groove on the surface of the moving table, two collinear clamping jaws connected to a moving motor, and two clamping jaws moving synchronously and reversely.

[0005] A fixed table is arranged below the moving table, an extension body is arranged below the fixed table, the moving table is fixedly connected to the extension body and rotatably connected to the fixed table, a tooth ring is fixed to the circumferential surface of the extension body, a drive gear is engaged with the side surface of the tooth ring, and the drive gear is drivingly connected to a rotating motor.

[0006] Further, the fixed table is fixedly connected to an inclined base, the inclined base has an inclined surface with an inclination angle of 30°-60°, the fixed table is fixed to the inclined surface, and the extension body, the drive gear and the rotating motor are located inside the inclined base.

[0007] Further, the lower end of the clamping jaw is fixed with a nut column, the nut column is located in the slide groove; the collinear slide groove is rotationally connected with a bidirectional screw rod, the bidirectional screw rod is distributed with thread parts with opposite rotation directions left and right, and the two collinear clamping jaws are respectively threadedly connected on the two thread parts of the bidirectional screw rod through the nut column.

[0008] Further, two bidirectional screw rods are arranged up and down in the slide groove, two clamping jaws are threadedly connected on each bidirectional screw rod, and one action motor is connected to one end of each bidirectional screw rod.

[0009] Further, the detection probe of the eddy current flaw detector is suspended above the movable table through the vertical support.

[0010] The utility model discloses the beneficial effects are:

[0011] 1, the utility model discloses when detecting, the detection probe is fixed and does not move only movable table drive cylinder sleeve body rotation, thereby can after the detection probe is aimed at the detection position, need not adjust again, thereby make detection alignment process easy operation, and the detection process is more stable.

[0012] 2, the cylinder sleeve body is supported and fixed in the inside through the clamping jaw, can hold and fix the action to the cylinder sleeve body, thereby can drive the cylinder sleeve body rotation through movable table, make the detection probe along its circumferential surface in order detection.

[0013] 3, the cylinder sleeve body is supported and fixed in the inside through the four clamping jaws alternately, can avoid the problem that the clamping jaw causes the occlusion of the inner wall circumferential surface of the cylinder sleeve body and makes the detection probe unable to detect. DRAWINGS

[0014] Figure 1 It is the whole structure schematic diagram of the utility model.

[0015] Figure 2 It is the whole schematic diagram of the cylinder sleeve body fixed part.

[0016] Figure 3 It is the cross section structure schematic diagram of the slide groove.

[0017] In the drawing:

[0018] 1, detection probe, 2, vertical support, 3, movable table, 4, slide groove, 5, clamping jaw, 6, action motor, 7, nut column, 8, bidirectional screw rod, 9, fixed table, 10, extension body, 11, gear ring, 12, driving gear, 13, rotary motor, 14, inclined surface base, 15, cylinder sleeve body. CONCRETE IMPLEMENTATION

[0019] Clearly, the described embodiments are merely a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the present application.

[0020] As Figures 1-3 shown in a kind of cylinder liner profile detection device, the detection probe 1 of eddy current flaw detector is suspended by vertical support 2.It also includes movable platform 3, the surface of movable platform 3 is provided with the slide groove 4 of cross shape, each end of slide groove 4 is connected with a jaw 5, and four jaws 5 are linearly moved along slide groove 4 on the surface of movable platform 3;Two collinear jaws 5 are commonly drivenly connected on a moving motor 6, and the moving motor 6 drives two jaws 5 to move synchronously reversely.

[0021] As Figure 3 shown, the lower end of jaw 5 is fixed with nut column 7, nut column 7 is provided with internal thread, and nut column 7 is located in slide groove 4;Two-way screw 8 is rotatably connected in collinear slide groove 4, and two-way screw 8 is distributed with thread part of opposite rotation on left and right, and two collinear jaws 5 are respectively threadedly connected on two thread parts of two-way screw 8 by nut column 7. Two two-way screws 8 are provided in slide groove 4 in up and down, and two jaws 5 are threadedly connected on each two-way screw 8, and one moving motor 6 is connected on one end of each two-way screw 8.

[0022] When using, the cylinder liner body 15 to be detected is sleeved on the outside of four jaws 5, and the fixation of cylinder liner body 15 on movable platform 3 is completed by jaw 5, when detecting the inner wall of cylinder liner body 15, two jaws 5 can be fixed;When detecting the outer wall of cylinder liner body 15, two or four jaws 5 can be fixed.When one moving motor 6 works, it drives the rotation of two-way screw 8 connected therewith, and then the jaws 5 on two thread parts can be driven to move oppositely or oppositely. Two jaws 5 oppositely move to abut against cylinder liner body 15, so that the two jaws 5 can support and fix cylinder liner body 15.

[0023] The detection probe 1 of eddy current flaw detector is inserted into the inside of cylinder liner body 15, and movable platform 3 drives cylinder liner body 15 to rotate, so that the inner wall circumferential surface of cylinder liner body 15 can be detected under the premise that detection probe 1 is stationary.

[0024] When the cylinder liner body 15 rotates to the position where the detection probe 1 interferes with the clamping jaw 5 of the inner supporting cylinder liner body 15, the action motor 6 of the other pair of clamping jaws 5 works to move the two clamping jaws 5 controlled thereby away from each other to abut against the inner wall of the cylinder liner body 15 to provide supporting and fixing, and the previous two clamping jaws 5 move towards each other to move away from the inner wall of the cylinder liner body 15 to the center of the movable platform 3, so that the inner wall of the cylinder liner body 15 previously shielded by the two clamping jaws 5 is exposed and can be irradiated and detected by the detection probe 1.

[0025] As shown in Figure 2 The lower portion of the movable platform 3 is provided with a fixed platform 9, which is fixed to the outside to provide rotational support for the movable platform 3. The lower portion of the fixed platform 9 is provided with an extension body 10, which is fixedly connected to the movable platform 3 and rotatably connected to the fixed platform 9. The extension body 10 is fixedly provided with a gear ring 11 on the circumferential surface thereof, and the gear ring 11 is engaged with a driving gear 12 on the side surface thereof. The driving gear 12 is drivingly connected to a rotating motor 13. The rotating motor 13 is also fixed to the outside. The rotating motor 13 rotates the driving gear 12, thereby driving the engaged gear ring 11 to rotate, driving the extension body 10 fixed to the gear ring 11 and the movable platform 3 to rotate. In order to maintain the overall appearance, the extension body 10, the driving gear 12 and the rotating motor 13 can be hidden inside the external support / base.

[0026] In the embodiment, the fixed platform 9 is fixedly connected to a slope base 14, which has an inclined surface with an inclination angle of 30°-60°. The fixed platform 9 is fixed to the inclined surface, so that the movable platform 3 is in an inclined state, and the cylinder liner body 15 sleeved thereon is also in an inclined state, so as to facilitate the extension of the detection probe 1. Therefore, the extension body 10, the driving gear 12 and the rotating motor 13 are all located inside the slope base 14.

[0027] In addition, in order to further improve the overall use effect, a horizontal moving assembly and a vertical moving assembly can be regularly installed between the detection probe 1 and the vertical support 2, so that the detection probe 1 can be adaptively adjusted according to the height and length of the cylinder liner body 15.

[0028] It is obvious for those skilled in the art that the present application is not limited to the details of the above exemplary embodiments, and can be implemented in other specific forms without departing from the spirit or essential characteristics of the present application. Therefore, the embodiments should be regarded as exemplary and non-limiting from any point of view.

Claims

1. A cylinder liner contour inspection device, comprising an eddy current flaw detector, characterized in that, It also includes a movable table, the surface of which is provided with a cross-shaped slide groove. Each end of the slide groove is connected to a gripper. The four grippers move linearly along the slide groove on the surface of the movable table. Two collinear grippers are connected to a single motor for transmission, and the two grippers move synchronously in opposite directions. A fixed platform is provided below the moving platform, and an extension body is provided below the fixed platform. The moving platform is fixedly connected to the extension body and rotatably connected to the fixed platform. A toothed ring is fixed on the circumference of the extension body, and a drive gear is meshed on the side of the toothed ring. The drive gear is connected to a rotary motor for transmission.

2. The cylinder liner contour detection device according to claim 1, characterized in that, The fixed platform is fixedly connected to the inclined base, which has an inclined surface with an angle of 30°-60°. The fixed platform is fixed on the inclined surface. The extension body, the drive gear, and the rotary motor are all located inside the inclined base.

3. The cylinder liner contour detection device according to claim 1, characterized in that, The lower end of the gripper is fixed with a nut post, which is located in the slide groove; a bidirectional screw is rotatably connected in the collinear slide groove, and the bidirectional screw has threaded portions with opposite directions of rotation distributed on the left and right sides. The two collinear grippers are respectively threaded to the two threaded portions of the bidirectional screw through the nut post.

4. The cylinder liner contour detection device according to claim 3, characterized in that, The slide groove is equipped with two bidirectional screws, one above the other. Each bidirectional screw has two grippers threaded onto it, and one end of each bidirectional screw is connected to a motor.

5. The cylinder liner contour detection device according to claim 1, characterized in that, The eddy current flaw detector's probe is suspended above the moving platform via a vertical support.

Citation Information

Patent Citations

  • Cylinder sleeve contour detection device

    CN219390889U