Cylinder bore diameter detection system and method

By designing a cylinder bore diameter detection system, which combines a conveyor frame and an inductive head, the system achieves automated detection of cylinder bore diameter. This solves the problems of low efficiency and poor consistency in manual detection, improves detection efficiency and consistency, and meets the data traceability requirements of intelligent manufacturing.

CN121576900APending Publication Date: 2026-02-27JIANGBAO PRECISION MACHINERY (CHONGQING) CO LTD
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Patent Information

Application Number
CN202511795439.2
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2025-12-02
Publication Date
2026-02-27

AI Technical Summary

Technical Problem

Current cylinder bore diameter inspection relies on manual operation, resulting in low inspection efficiency and poor consistency of measurement results, making it difficult to meet the data traceability requirements of modern intelligent manufacturing.

Method used

A cylinder bore diameter detection system was designed, including components such as a conveyor frame, mounting frame, top plate, electric push rod, and inductive head, to realize automated cylinder detection. The cylinder is transported to the detection station by the conveyor frame, and the bore diameter is measured non-contactly by the inductive head, thereby improving detection efficiency and consistency.

Benefits of technology

It has enabled automated detection of cylinder bore diameter, improved detection efficiency and result consistency, and met the data traceability requirements of modern intelligent manufacturing.

✦ Generated by Eureka AI based on patent content.

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Abstract

The invention relates to the technical field of engine cylinder block detection, in particular to a cylinder block aperture detection system and method, and the system comprises a rack and a detection assembly. The detection assembly comprises a conveying frame, a mounting frame, a mounting plate, a top plate, a first electric push rod, a base and a measuring component, during use, an engine cylinder body to be detected is placed on the conveying rollers, the driving structure in the frame body drives the conveying rollers to rotate, and then the cylinder body is conveyed forwards; the first electric push rod is started to push the base to ascend, the cylinder body stopped on the conveying roller is lifted up, the top face of the cylinder body makes contact with the top plate along with ascending of the cylinder body, finally the hole diameter of the cylinder body is detected through the measuring component, and after detection is completed, the output end of the first electric push rod is reset, and the cylinder body falls on the conveying roller again. The automatic detection of the cylinder body is realized, and the detection efficiency and the result consistency are improved.
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Description

TECHNICAL FIELD

[0001] The present application relates to the engine cylinder block detection technical field, and particularly relates to a cylinder bore detection system and method. BACKGROUND

[0002] The engine cylinder block is the core framework of the engine, and the machining precision of the cylinder bore of the engine cylinder block directly determines the power, oil consumption, service life and noise level of the engine.

[0003] At present, the detection of the cylinder bore mainly depends on manual use of general measuring tools (such as an inside diameter micrometer and a pneumatic gauge) or a semi-automatic detection station.

[0004] The manual detection method has problems such as high labor intensity, low detection efficiency, easy influence by subjective factors, and the like, and the repeatability and consistency of the detection results are difficult to guarantee, and data recording and management are inconvenient, which is difficult to meet the demand of data tracing of modern intelligent manufacturing. SUMMARY

[0005] The present application aims to provide a cylinder bore detection system and method, and solve the problems of low detection efficiency and poor consistency of measurement results caused by the dependence on manual detection of the existing cylinder bore.

[0006] To achieve the above-mentioned purpose, the present application provides a cylinder bore detection system and method, which comprises a rack, and further comprises a detection assembly; the detection assembly comprises a conveying frame, a mounting frame, a mounting plate, a top plate, a first electric push rod, a base and a measurement member, the conveying frame is connected with the rack and located on one side of the rack, the mounting frame is fixedly connected with the rack and located on one side of the rack, the mounting plate is fixedly connected with the mounting frame and located on one side of the mounting frame, the top plate is fixedly connected with the mounting plate and located above the conveying frame, the first electric push rod is connected with the rack, the base is arranged on the first electric push rod and connected with the output end of the first electric push rod, and the measurement member is arranged on the mounting plate.

[0007] The top plate has a detection hole, and the detection hole is arranged on the top plate and penetrates through the top plate.

[0008] The measurement member comprises a moving part, a support, a second electric push rod and an electric sensing head, the moving part is arranged on the mounting plate, the support is slidably connected with the mounting plate through the moving part, and the electric sensing head is arranged on the second electric push rod and connected with the output end of the second electric push rod.

[0009] The moving component comprises a threaded rod and a threaded seat, the threaded rod is rotationally connected with the mounting plate and arranged on the mounting plate, and the threaded seat is threadedly connected with the threaded rod and slidingly connected with the mounting plate and fixedly connected with the support.

[0010] The moving component further comprises a sliding rail and a sliding block, the sliding rail is fixedly connected with the mounting plate and located on one side of the mounting plate, and the sliding block is slidingly connected with the sliding rail and fixedly connected with the support and arranged on the sliding rail.

[0011] The detection assembly further comprises a limiting component, the limiting component comprises an extension plate, a limiting plate and a driving component, the extension plate is slidingly connected with the base and arranged on the base, the limiting plate is fixedly connected with the extension plate and located on one side of the limiting plate, and the driving component is used for driving the extension plate to move.

[0012] In another aspect, the present application further comprises a cylinder bore detection method, comprising the following steps:

[0013] The engine cylinder to be detected is placed on the conveying frame, and the cylinder is conveyed to a detection station directly below the measuring component through the conveying frame;

[0014] When the position sensor detects that the cylinder is in place, the first electric push rod is started to drive the base to rise, the cylinder is lifted and the top surface thereof is brought into contact with the top plate and compressed between the top plate and the base;

[0015] The support is driven to move by the moving component, so that the electric induction probe is aligned with a detection hole on the top plate corresponding to the cylinder bore to be detected;

[0016] The second electric push rod is started to drive the electric induction probe to vertically downwardly pass through the detection hole and enter the cylinder bore;

[0017] The electric induction probe is moved in the cylinder bore to collect the radial dimension information of the hole wall, and the detection of the cylinder bore is completed;

[0018] The above steps are repeated until the detection of all cylinder bores is completed, and then the second electric push rod and the first electric push rod are sequentially reset, the cylinder falls back to the conveying frame and is conveyed away.

[0019] The cylinder bore detection system and method of the present application, when in use, the engine cylinder to be detected is placed on the conveying roller, the driving structure in the frame drives the rotation of the plurality of conveying rollers, and then the cylinder is conveyed forward, when the cylinder moves to the predetermined position directly below the measuring member, the position sensor detects that the cylinder is in place and sends a signal to the control unit of the system, at this time the conveying frame stops conveying the cylinder; then the first electric push rod is started, the output end of which pushes the base to rise, lifts the cylinder stopped on the conveying roller and makes it separate from the conveying roller, with the rising of the cylinder, the top surface of the cylinder contacts the top plate, so that the cylinder to be detected is compressed between the top plate and the base, finally the cylinder bore is detected by the measuring member, after the detection is completed, the output end of the first electric push rod resets, so that the cylinder falls on the conveying roller again, and the detected cylinder is conveyed to the next process by the conveying roller, realizing the automatic detection of the cylinder and improving the detection efficiency and the consistency of the results. BRIEF DESCRIPTION OF DRAWINGS

[0020] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the drawings needed to be used in the embodiments or prior art description will be briefly introduced.

[0021] Figure 1 is the overall structure schematic diagram of the cylinder bore detection system of the first embodiment of the present application.

[0022] Figure 2 is the mounting structure schematic diagram of the base of the first embodiment of the present application.

[0023] Figure 3 is the A enlarged view of the first embodiment of the present application. Figure 2

[0024] Figure 4 is the structure schematic diagram of the driving part of the second embodiment of the present application.

[0025] Figure 5 is the structure schematic diagram of the driving seat of the second embodiment of the present application.

[0026] Figure 6 is the flow chart of the cylinder bore detection method of the present application.

[0027] ​In the figure: 101- rack, 102- detection assembly, 103- conveying frame, 104- mounting frame, 105- mounting plate, 106- top plate, 107- first electric push rod, 108- base, 109- measuring member, 110- detection hole, 111- moving part, 112- support, 113- second electric push rod, 114- electric feeler, 115- threaded rod, 116- threaded seat, 117- sliding rail, 118- sliding block, 119- frame body, 120- conveying roller, 201- limiting member, 202- telescopic plate, 203- limiting plate, 204- driving part, 205- return spring, 206- driving seat, 207- connecting rod, 208- rotating shaft. DETAILED DESCRIPTION

[0028] The embodiments of the present application are described in detail below with reference to the accompanying drawings. The embodiments described below are exemplary and are intended to explain the present application, and should not be understood as limiting the present application.

[0029] First embodiment:

[0030] Please refer to Figures 1 to 3 , wherein Figure 1 is the overall structure schematic diagram of the cylinder bore detection system, Figure 2 is the mounting structure schematic diagram of the base, Figure 3 is Figure 2 the enlarged view of A of

[0031] The present application provides a cylinder bore detection system and method, comprising a rack 101 and a detection assembly 102, the detection assembly 102 comprising a conveying frame 103, a mounting frame 104, a mounting plate 105, a top plate 106, a first electric push rod 107, a base 108 and a measuring member 109, the top plate 106 having a detection hole 110, the measuring member 109 comprising a moving part 111, a support 112, a second electric push rod 113 and an electric feeler 114, the moving part 111 comprising a threaded rod 115, a threaded seat 116, a sliding rail 117 and a sliding block 118, the cylinder is conveyed to below the measuring member 109 through the conveying frame 103, the base 108 is driven to rise through the first electric push rod 107, and then the cylinder is lifted, so that the cylinder is pressed between the top plate 106 and the base 108, finally the cylinder bore is detected by the measuring member 109. It can be understood that the foregoing scheme can be used to improve the detection efficiency and consistency of the cylinder bore.

[0032] For this specific embodiment, the conveying frame 103 is connected with the rack 101 and located at one side of the rack 101, the mounting frame 104 is fixedly connected with the rack 101 and located at one side of the rack 101, the mounting plate 105 is fixedly connected with the mounting frame 104 and located at one side of the mounting frame 104, the top plate 106 is fixedly connected with the mounting plate 105 and located above the conveying frame 103, the first electric push rod 107 is connected with the rack 101, the base 108 is arranged on the first electric push rod 107 and connected with the output end of the first electric push rod 107, and the measuring member 109 is arranged on the mounting plate 105.

[0033] In use, the engine cylinder to be detected is placed on the conveying rollers 120, the driving structure in the frame body 119 drives the plurality of conveying rollers 120 to rotate, and then the cylinder is conveyed forward, when the cylinder moves to the predetermined position directly below the measuring member 109, the position sensor detects that the cylinder is in place and sends a signal to the control unit of the system, at this time the conveying frame 103 stops conveying the cylinder; then the first electric push rod 107 is started, the output end of the first electric push rod 107 pushes the base 108 to rise, the cylinder stopped on the conveying rollers 120 is lifted and separated from the conveying rollers 120, with the rising of the cylinder, the top surface of the cylinder is in contact with the top plate 106, so that the cylinder to be detected is compressed between the top plate 106 and the base 108, finally the cylinder bore is detected by the measuring member 109, after the detection is completed, the output end of the first electric push rod 107 is reset, so that the cylinder falls on the conveying rollers 120 again, the detected cylinder is conveyed to the next process by the conveying rollers 120, the automatic detection of the cylinder is realized, and the detection efficiency and the consistency of the results are improved.

[0034] Among them, the detection hole 110 is arranged on the top plate 106 and penetrates through the top plate 106; the detection hole 110 is provided in plurality and corresponds to the cylinder hole on the top of the engine cylinder one by one, so that the measuring member 109 can pass through the detection hole 110 to detect the bore of the cylinder hole.

[0035] Secondly, the moving part 111 is arranged on the mounting plate 105; the support 112 is in sliding connection with the mounting plate 105 through the moving part 111; the electric feeler 114 is arranged on the second electric push rod 113 and connected with the output end of the second electric push rod 113; the moving part 111 can drive the support 112 to move on the mounting plate 105, thereby driving the second electric push rod 113 and the electric feeler 114 to move, and further enabling the electric feeler 114 to be aligned with different detection holes 110; after the horizontal positioning of the electric feeler 114 is completed, the second electric push rod 113 is started, and the output end thereof pushes the electric feeler 114 to move vertically downward, so that the electric feeler 114 passes through the detection hole 110 and enters the cylinder hole; during the measurement, the electric feeler 114 moves axially in the cylinder hole, and collects the radial size information of the hole wall in a non-contact measurement mode; after the detection of all preset parameters is completed, the second electric push rod 113 is retracted, the electric feeler 114 is withdrawn from the cylinder hole, and then the detection of the next cylinder hole is performed, until the detection of all cylinder holes is completed.

[0036] Meanwhile, the threaded rod 115 is in rotational connection with the mounting plate 105 and arranged on the mounting plate 105; the threaded seat 116 is in threaded connection with the threaded rod 115 and in sliding connection with the mounting plate 105, and is fixedly connected with the support 112; a rotary motor is further arranged on the mounting plate 105, the rotary motor drives the threaded rod 115 to rotate, the threaded rod 115 drives the threaded seat 116 to move, thereby driving the support 112, the second electric push rod 113 and the electric feeler 114 to move.

[0037] In addition, the slide rail 117 is fixedly connected with the mounting plate 105 and located on one side of the mounting plate 105; the sliding block 118 is in sliding connection with the slide rail 117 and fixedly connected with the support 112, and arranged on the slide rail 117; the movement of the sliding block 118 is guided by the slide rail 117, thereby guiding the movement of the support 112 and improving the stability of the movement of the support 112.

[0038] When the cylinder bore detection system of the embodiment is used, first, the engine cylinder to be detected is placed steadily at the starting position of the conveying roller 120, and when the cylinder is moved to the predetermined position directly below the measuring member 109 with the conveying roller 120, the first electric push rod 107 is started to push the base 108 to lift the cylinder on the conveying roller 120 upward, and as the base 108 continues to rise, the top surface of the cylinder is in full contact with the bottom surface of the top plate 106; after clamping is completed, the rotating motor drives the threaded rod 115 to rotate accurately, which drives the threaded seat 116 and the support 112 to move, so as to move the electric sensing head 114 to the detection hole 110 directly above the first cylinder bore to be detected, and then the second electric push rod 113 is started to drive the electric sensing head 114 to pass through the detection hole 110 vertically downward into the cylinder bore for detection; after detection of the first cylinder bore is completed, the second electric push rod 113 is retracted to make the electric sensing head 114 exit the hole, and the moving member 111 drives the electric sensing head 114 to move to the next detection station immediately, and the above detection process is repeated until the cyclic detection of all cylinder bores is completed, so as to realize automatic, efficient and high-precision continuous detection operation.

[0039] Second embodiment:

[0040] On the basis of the first embodiment, refer to Figure 4 and Figure 5 , Figure 4 is a structural schematic view of the driving member of the second embodiment, Figure 5 is a structural schematic view of the driving seat of the second embodiment, the limiting member 201 of the embodiment comprises a telescopic plate 202, a limiting plate 203 and a driving member 204, the limiting member 201 further comprises a reset spring 205, and the driving member 204 comprises a driving seat 206, a connecting rod 207 and a rotating shaft 208.

[0041] For the specific embodiment, the telescopic plate 202 is in sliding connection with the base 108 and is arranged on the base 108; the limiting plate 203 is in fixed connection with the telescopic plate 202 and is located on one side of the limiting plate 203; the driving member 204 is used to drive the telescopic plate 202 to move; the limiting member 201 is provided with two and is located on the two sides of the base 108 respectively, a plurality of telescopic plates 202 and a plurality of limiting plates 203 are arranged in one limiting member 201, when the base 108 rises, the driving member 204 drives the telescopic plates 202 on the two sides to move, and then drives the limiting plates 203 on the two sides to move, so that the limiting plates 203 on the left and right sides approach each other, so that the limiting plates 203 on the left and right sides form horizontal clamping from the two sides of the cylinder.

[0042] The two ends of the reset spring 205 are connected with the telescopic plate 202 and the base 108 respectively; when the telescopic plates 202 on the left and right sides are close, the telescopic plate 202 extrudes the reset spring 205, so that the reset spring 205 accumulates elastic potential energy, so that the telescopic plate 202 can be reset under the elastic action of the reset spring 205 after the base 108 is reset.

[0043] Secondly, the driving seat 206 is fixedly connected with the conveying frame 103 and arranged on the conveying frame 103; the connecting rod 207 is fixedly connected with the telescopic plate 202 and located on the side of the telescopic plate 202 away from the limiting plate 203; the rotating shaft 208 is rotatably connected with the connecting rod 207 and arranged on the connecting rod 207; the driving seat 206 is provided with an inclined surface, and when the base 108 rises, the telescopic plate 202 is driven to rise, the connecting plate and the rotating shaft 208 are driven to rise by the telescopic plate 202, and when the rotating shaft 208 moves to the inclined surface at the driving seat 206, the rotating shaft 208 is horizontally moved under the action of the inclined surface of the driving seat 206, so as to drive the telescopic plate 202 and the limiting plate 203 to move, so that the limiting plate 203 can clamp and limit the left and right sides of the cylinder body.

[0044] When the first electric push rod 107 drives the base 108 to rise, the base 108 drives the telescopic plate 202 and the connecting rod 207 to rise, the connecting rod 207 drives the rotating shaft 208 to rise, and the rotating shaft 208 is horizontally moved under the action of the inclined surface of the driving seat 206 after rising to the inclined surface of the driving seat 206, so as to drive the telescopic plate 202 and the limiting rod to move horizontally, so that the limiting rods on the two sides can contact the cylinder body, so as to limit the cylinder body in the lifting process.

[0045] On the other hand, please refer to the figure please refer to Figure 6 , Figure 6 is a flow chart of a cylinder hole diameter detection method,

[0046] The application also includes a cylinder hole diameter detection method, comprising the following steps:

[0047] S1: placing an engine cylinder to be detected on the conveying frame, conveying the cylinder to a detection station directly below the measuring member through the conveying frame;

[0048] S2: when the position sensor detects that the cylinder is in place, starting the first electric push rod to drive the base to rise, lifting the cylinder and making the top surface of the cylinder contact the top plate and be compressed between the top plate and the base;

[0049] S3: driving the support to move by the moving component, so that the electric sensing head is aligned with a detection hole on the top plate corresponding to a cylinder hole to be detected;

[0050] S4: starting the second electric push rod to drive the electric sensing head to vertically pass through the detection hole and enter the cylinder hole;

[0051] S5: moving the electric sensing head in the cylinder hole to collect the radial dimension information of the hole wall, and completing the detection of the cylinder hole;

[0052] S6: repeating the above steps until the detection of all cylinder holes is completed, and then the second electric push rod and the first electric push rod are reset in turn, and the cylinder body falls back to the conveying frame and is transported away.

[0053] The above only discloses one or more preferred embodiments of the present application, and cannot limit the scope of the rights of the present application. Those skilled in the art can understand that all or part of the above-mentioned embodiments can be implemented, and equivalent changes made according to the claims of the present application still fall within the scope of the present application.

Claims

1. A cylinder bore detection system comprising a frame, characterized in that, Further comprising a detection assembly; The detection assembly comprises a conveying frame, a mounting frame, a mounting plate, a top plate, a first electric push rod, a base and a measuring member, the conveying frame is connected with the frame and located on one side of the frame, the mounting frame is fixedly connected with the frame and located on one side of the frame, the mounting plate is fixedly connected with the mounting frame and located on one side of the mounting frame, the top plate is fixedly connected with the mounting plate and located above the conveying frame, the first electric push rod is connected with the frame, the base is arranged on the first electric push rod and connected with the output end of the first electric push rod, and the measuring member is arranged on the mounting plate.

2. The cylinder bore detection system according to claim 1, characterized in that, The top plate has a detection hole arranged on the top plate and penetrating through the top plate.

3. The cylinder bore detection system according to claim 1, characterized in that, The measuring member comprises a moving part, a bracket, a second electric push rod and an electric feeler, the moving part is arranged on the mounting plate; the bracket is slidingly connected with the mounting plate through the moving part; and the electric feeler is arranged on the second electric push rod and connected with the output end of the second electric push rod.

4. The cylinder bore detection system according to claim 3, characterized in that, The moving part comprises a threaded rod and a threaded seat, the threaded rod is rotationally connected with the mounting plate and arranged on the mounting plate; and the threaded seat is threadedly connected with the threaded rod and slidingly connected with the mounting plate and fixedly connected with the bracket.

5. The cylinder bore detection system according to claim 4, characterized in that, The moving part further comprises a sliding rail and a sliding block, the sliding rail is fixedly connected with the mounting plate and located on one side of the mounting plate; the sliding block is slidingly connected with the sliding rail and fixedly connected with the bracket and arranged on the sliding rail.

6. The cylinder bore detection system according to claim 1, characterized in that, The detection assembly further comprises a limiting member, the limiting member comprises a telescopic plate, a limiting plate and a driving part, the telescopic plate is slidingly connected with the base and arranged on the base; the limiting plate is fixedly connected with the telescopic plate and located on one side of the limiting plate; and the driving part is used for driving the telescopic plate to move.

7. A cylinder bore inspection method using the cylinder bore inspection system according to any one of claims 1 to 6, characterized by The method comprises the following steps: Placing the engine cylinder to be detected on the conveying frame, conveying the cylinder to the detection station directly below the measuring member through the conveying frame; After the position sensor detects that the cylinder is in place, starting the first electric push rod to drive the base to rise, lifting the cylinder and making the top surface of the cylinder contact with the top plate and be compressed between the top plate and the base; Driving the bracket to move through the moving part to make the electric feeler align with the detection hole on the top plate corresponding to the cylinder bore to be measured; Starting the second electric push rod to drive the electric feeler to vertically pass through the detection hole and enter the cylinder bore; The inductive probe is moved inside the cylinder bore to collect radial dimension information of the bore wall, thus completing the detection of the cylinder bore. Repeat the above steps until all cylinder bores have been inspected. Then, the second electric push rod and the first electric push rod are reset in sequence, and the cylinder body falls back to the conveyor frame and is transported away.