Exhaust manifold detection tool

The design of the exhaust manifold inspection fixture solved the problems of large errors and shaking during exhaust manifold inspection, achieving fast and accurate positioning and inspection results.

CN223691651UActive Publication Date: 2025-12-19SICHUAN WESCART IND CO LTD
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Patent Information

Application Number
CN202520344422.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-02-28
Publication Date
2025-12-19
Estimated Expiration
2035-02-28

AI Technical Summary

Technical Problem

Existing technologies for exhaust manifold testing suffer from large errors and are prone to movement during the testing process, affecting the accuracy of the tests.

Method used

The exhaust manifold inspection fixture includes a worktable, a fixed platform, a positioning pin inspection mechanism, an exhaust end comprehensive inspection mechanism, and a through hole inspection and positioning mechanism. It achieves quick and accurate positioning and inspection of the exhaust manifold through positioning pin holes and a pressing mechanism.

Benefits of technology

This achieves stable positioning of the exhaust manifold, avoids shaking during testing, ensures the accuracy and consistency of testing, and improves testing efficiency.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223691651U_ABST
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Abstract

The utility model discloses an exhaust manifold detection tool, and relates to the technical field of automobile exhaust manifold production calibration assistance. The device comprises a working table, a fixed table is installed on the top surface of the working table, the fixed table is used for placing an installation surface plate of the exhaust manifold, a positioning column detection mechanism and an air outlet end comprehensive detection mechanism are installed around the fixed table on the working table, and a pressing mechanism is further installed on the working table and used for pressing the top surface of the installation surface plate. A plurality of through hole detecting and positioning mechanisms are mounted on the bottom surface of the working table, each through hole detecting and positioning mechanism is provided with a vertical detecting rod, the detecting rods are movably arranged in the axial direction of the detecting rods and penetrate through the working table and the fixed table in a sliding manner, and each positioning pin hole corresponds to one detecting rod; the purposes of placing and positioning the exhaust manifold at a time and quickly and accurately calibrating and detecting the external positioning position of the exhaust manifold are achieved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to automobile exhaust manifold production calibration auxiliary technical field, specifically speaking, it is a kind of exhaust manifold detection tool. BACKGROUND

[0002] Engine exhaust manifold is the important component in automobile engine exhaust system, and its main role is to collect the exhaust gas discharged by each cylinder, and deliver it to exhaust pipe for subsequent processing.

[0003] Wherein exhaust manifold involves the connection with engine and the connection with subsequent exhaust pipe in spatial position, and the connected parts need to ensure good air tightness. Thus the contour and position of the connecting segment of exhaust manifold for connecting various pin holes need to be accurately determined.

[0004] At present, after the production of exhaust manifold is completed, subsequent calibration detection is mostly carried out by manual film covering method to detect exhaust manifold. Such detection effect is poor, and exhaust manifold is prone to move during detection, thereby causing detection reference change, and causing large detection error to affect subsequent assembly. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a kind of exhaust manifold detection tool to realize the positioning of placing exhaust manifold once, and the purpose of fast and accurate calibration detection to the external positioning position of exhaust manifold.

[0006] In order to realize the above-mentioned purpose, the utility model adopts the following technical means:

[0007] A kind of exhaust manifold detection tool, including workbench, the top surface of the workbench is equipped with fixed platform, the fixed platform is used to place the installation plane plate of exhaust manifold, the workbench is equipped with positioning column detection mechanism and exhaust end comprehensive detection mechanism around the fixed platform, the workbench is also equipped with pressing mechanism, the pressing mechanism is used to press the top surface of the installation plane plate, the bottom surface of the workbench is equipped with a plurality of through hole detection positioning mechanisms, the through hole detection positioning mechanism is configured with vertical detection rod, the detection rod is arranged along its axial movement, and it is slid through the workbench and the fixed platform, the bottom surface of the workbench is equipped with a plurality of through hole detection positioning mechanisms, a plurality of detection rods are arranged according to the layout of positioning pin hole on the installation plane plate, and each positioning pin hole corresponds to a detection rod.

[0008] Preferably, the positioning column detection mechanism comprises a mounting table mounted on the top surface of the workbench, the top surface of the mounting table is configured with a bearing table parallel to the end surface of the positioning column to be detected, the bearing table is configured with a sliding channel parallel to the through hole of the positioning column to be detected, a calibration rod is slidingly mounted in the sliding channel, and an end of the calibration rod is configured with a profile detection cover matched with the outer wall of the positioning column to be detected.

[0009] Further, one side of the profile detection cover facing the positioning column to be detected is configured with a groove, the inner wall of the groove is matched with the outer wall of the positioning column to be detected, and a detection column is coaxially mounted in the groove, and the outer diameter of the detection column is matched with the inner diameter of the through hole of the positioning column to be detected.

[0010] Further, the gas outlet end comprehensive detection mechanism comprises a support block parallel to the gas outlet end mounting plane of the exhaust manifold, the support block is configured with a moving channel parallel to the positioning through hole on the gas outlet end mounting plane of the exhaust manifold, and the moving channel is slidingly mounted with a hole detection mechanism or a plane detection mechanism.

[0011] Further, the hole detection mechanism comprises a first moving rod slidingly arranged in the moving channel, and a first insertion rod is coaxially mounted at one end of the first moving rod facing the exhaust manifold, and the outer diameter of the first insertion rod is matched with the inner diameter of the positioning through hole on the gas outlet end mounting plane.

[0012] Further, the plane detection mechanism comprises a second moving rod slidingly arranged in the moving channel, a second insertion rod is coaxially mounted at one end of the second moving rod facing the exhaust manifold, the outer diameter of the second insertion rod is matched with the inner diameter of the positioning through hole on the gas outlet end mounting plane, a micrometer is mounted on the second moving rod, a testing end of the micrometer is coaxially arranged through the second moving rod and the second insertion rod, the testing end of the micrometer is a disc coaxially arranged with the second insertion rod, the disc is in sliding contact with the second insertion rod coaxially, and one side of the disc facing the exhaust manifold is in abutting arrangement with the gas outlet end mounting plane during testing.

[0013] Further, the through hole detection positioning mechanism comprises a first positioning block and a second positioning block detachably connected with the bottom surface of the workbench, the second positioning block is arranged below the positioning pin hole, one end of a swing rod is hingedly connected to one side of the first positioning block away from the workbench, the other end of the swing rod extends out of the workbench, the detection rod is slidingly mounted in the second positioning block, the bottom end of the detection rod slidingly abuts with the top surface of the end of the swing rod through the second positioning block, the hinge point of the swing rod is arranged directly below the first positioning block, and a limiting gap is formed between the bottom surface of the first positioning block and the hinge end point of the swing rod.

[0014] Further, the side wall of the workbench is provided with a limiting block, when the limiting plane of the limiting block is reached by the one end of the swing rod extending out of the workbench, the other end of the swing rod will completely push out the detection rod to the detection state.

[0015] The utility model discloses in the process of using, has the following beneficial effects:

[0016] The installation plane plate of the exhaust manifold to be detected and the engine is placed on the fixed table, then the through hole detection positioning mechanism under the two diagonal line position positioning pin control of the installation plane plate is operated, the detection rod under the positioning pin hole of the two diagonal lines of the installation plane plate is moved upward, and after passing through the corresponding positioning pin control stably, the pressing mechanism is operated, the pressing mechanism acts on the top surface of the exhaust manifold, so that the exhaust manifold is pressed on the fixed table, thereby completing the calibration and fixation of the exhaust manifold quickly, not only the same state detection of each exhaust manifold to be detected is obtained, but also the detection accuracy is avoided to be influenced by the shaking of the exhaust manifold during the detection process. After completing the positioning, the worker can operate the positioning column detection mechanism and the exhaust end comprehensive detection mechanism to calibrate and detect the position contour of the external positioning position of the exhaust manifold. Moreover, the through hole detection positioning mechanism can be operated in sequence to calibrate the inner wall contour of the hole on the installation plane plate of the exhaust manifold for connecting with the engine. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is the structural schematic diagram of the utility model.

[0018] Figure 2 It is the side view structural schematic diagram of the utility model. Figure 1

[0019] Figure 3 It is the structural schematic diagram of the exhaust manifold after assembling of the utility model.

[0020] Figure 4 It is the plan view structural schematic diagram of the utility model. Figure 3

[0021] Figure 5 It is the structural schematic diagram of the through hole detection positioning mechanism of the utility model.

[0022] Figure 6 It is the side view structural schematic diagram of the utility model. Figure 5

[0023] ​​​Wherein, 1-workbench, 2-fixed platform, 3-installation flat plate, 4-positioning column detection mechanism, 41-installation platform, 42-bearing platform, 43-calibration rod, 44-contour detection cover, 5-outlet end comprehensive detection mechanism, 6-pressing mechanism, 7-through hole detection positioning mechanism, 71-first positioning block, 72-second positioning block, 73-oscillating rod, 74-limiting block, 8-detection rod, 9-outlet end installation flat plate, 10-hole detection mechanism, 101-first moving rod, 102-first insertion rod, 11-flat plate detection mechanism, 111-second moving rod, 112-second insertion rod, 113-micrometer, 114-disc, 12-limiting gap. DETAILED DESCRIPTION

[0024] In order to make the purpose, technical scheme and advantages of the embodiments of the present application clearer, the technical scheme in the embodiments of the present application will be described clearly and completely below in combination with the drawings in the embodiments of the present application. Obviously, the described embodiments are only some of the embodiments of the present application, rather than all the embodiments of the present application. The components of the embodiments of the present application described and shown in the drawings herein can be arranged and designed in various different configurations.

[0025] Therefore, the following detailed description of the embodiments of the present application provided in the drawings is not intended to limit the scope of the claimed present application, but only represents selected embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative labor fall within the scope of protection of the present application.

[0026] It should be noted that the embodiments in the present application and the features in the embodiments can be combined with each other without conflict.

[0027] It should be noted that: similar reference numerals and letters represent similar items in the following drawings, therefore, once an item is defined in one drawing, it does not need to be further defined and explained in the subsequent drawings.

[0028] In the description of the utility model, it needs to explain, the term "center", "upper", "lower", "left", "right", "vertical", "horizontal", "internal", "external" and so on indicate the orientation or position relation is based on the orientation or position relation shown in the drawing, or it is the orientation or position relation that the utility model product uses usually, or it is the orientation or position relation that the person skilled in the art usually understands, just is for the convenience of describing the utility model and simplifying the description, and not indicate or imply the device or element indicated must have a particular orientation, with a particular orientation configuration and operation, therefore can not be understood as the limitation of the utility model.In addition, the term "first", "second" and so on are only used for distinguishing description, and can not be understood as indicating or implying relative importance.

[0029] In the description of the utility model, it also needs to explain that, unless otherwise explicitly specified and limited, the term "set", "installation", "connect", "connection" should be broad understanding, for example, can be fixed connection, can be detachable connection, or integrally connected;Can be mechanical connection, can be electrical connection;Can be directly connected, can be indirectly connected through intermediate medium, can be the communication inside two elements.For the person skilled in the art, the specific meaning of the above-mentioned terms in the utility model can be understood according to the specific circumstances.

[0030] Please refer to Figures 1 to 6 As shown in the drawing, an exhaust manifold detection tool, including workbench 1, the top surface of workbench 1 is installed with fixed platform 2, the fixed platform 2 is used to place the installation plane plate 3 of exhaust manifold, the workbench 1 is installed with positioning column detection mechanism 4 and exhaust end comprehensive detection mechanism 5 around the fixed platform 2, the workbench 1 is also installed with pressing mechanism 6, the pressing mechanism 6 is used to hold the top surface of the installation plane plate 3, the bottom surface of the workbench 1 is installed with a plurality of through hole detection positioning mechanisms 7, the through hole detection positioning mechanism 7 is configured with vertical detection rod 8, the detection rod 8 is arranged along its axial movement, and slides through the workbench 1 and the fixed platform 2, the bottom surface of the workbench 1 is installed with a plurality of through hole detection positioning mechanisms 7, a plurality of detection rods 8 are arranged according to the layout of positioning pin hole on the installation plane plate 3, and each positioning pin hole corresponds to a detection rod 8.

[0031] In this way, the installation flat plate 3 connected with the engine and needing to be detected is placed on the fixing table 2, then the through hole detection positioning mechanism 7 below the two diagonal positioning pin holes of the installation flat plate 3 is operated, the detection rod 8 below the two diagonal positioning pin holes of the installation flat plate 3 is moved upward and smoothly passes through the corresponding positioning pin control, then the pressing mechanism 6 is operated, the pressing mechanism 6 acts on the top surface of the exhaust manifold, so that the exhaust manifold is pressed on the fixing table 2, thereby quickly completing the calibration and positioning of the exhaust manifold, not only the same state of detection is obtained for each exhaust manifold needing to be detected, but also the detection accuracy is avoided to be affected by the shaking of the exhaust manifold during the detection. After the positioning is completed, the worker can operate the positioning column detection mechanism 4 and the exhaust end comprehensive detection mechanism 5 to calibrate and detect the position contour of the external positioning position of the exhaust manifold. Moreover, the through hole detection positioning mechanism 7 can be operated in sequence to calibrate the inner wall contour of the hole on the installation flat plate 3 of the exhaust manifold for being connected with the engine.

[0032] Further, the positioning column detection mechanism 4 comprises an installation table 41 installed on the top surface of the working table 1, the top surface of the installation table 41 is configured with a bearing table 42 parallel to the end surface of the positioning column to be detected, the bearing table 42 is configured with a sliding channel parallel to the through hole of the positioning column to be detected, a calibration rod 43 is slidingly installed in the sliding channel, and the end portion of the calibration rod 43 is configured with a contour detection cover 44 matched with the outer wall of the positioning column to be detected.

[0033] Moreover, one side of the contour detection cover 44 facing the positioning column to be detected is configured with a groove, the inner wall of the groove is matched with the outer wall of the positioning column to be detected, and a detection column is coaxially installed in the groove, and the outer diameter of the detection column is matched with the inner diameter of the through hole of the positioning column to be detected.

[0034] In this way, when the external positioning column of the exhaust manifold is detected, after the exhaust manifold to be positioned is placed stably, the calibration rod 43 is inserted, the calibration rod 43 moves towards the exhaust manifold, the contour detection cover 44 covers the positioning column to be detected, the inner wall of the groove is attached to the outer wall of the positioning column, the detection column is inserted into the positioning column to be detected, and the outer wall of the detection column is attached to the inner wall of the positioning column, then whether the entire calibration rod can be inserted in place and whether it can be smoothly rotated are judged to judge whether the contour and position of the positioning column meet the standard. If the calibration rod can be smoothly inserted to the bottom and can be smoothly rotated, it is indicated that the detected positioning column meets the standard.

[0035] Further, the air outlet end comprehensive detection mechanism 5 comprises a support block parallel to the air outlet end mounting plane 9 of the exhaust manifold, and a moving channel parallel to the positioning through hole on the air outlet end mounting plane 9 of the exhaust manifold is arranged on the support block. A hole detection mechanism 10 or a plane detection mechanism 11 is slidingly arranged in the moving channel.

[0036] Further, the hole detection mechanism 10 comprises a first moving rod 101 slidingly arranged in the moving channel. A first insertion rod 102 coaxially arranged on one end of the first moving rod 101 towards the exhaust manifold has an outer diameter matching the inner diameter of the positioning through hole on the air outlet end mounting plane 9.

[0037] In this way, the first moving rod 101 is inserted into the moving channel, and then the first insertion rod 102 is inserted into the positioning through hole. If the first insertion rod 102 can be inserted into the positioning through hole with increased resistance and can be smoothly rotated, it indicates that the corresponding detected positioning through hole meets the standard.

[0038] For the flatness detection of the air outlet end mounting plane 9 of the exhaust manifold, the plane detection mechanism 11 comprises a second moving rod 111 slidingly arranged in the moving channel. A second insertion rod 112 coaxially arranged on one end of the second moving rod 111 towards the exhaust manifold has an outer diameter matching the inner diameter of the positioning through hole on the air outlet end mounting plane 9. A dial gauge 113 is arranged on the second moving rod 111. A testing end of the dial gauge 113 is coaxially arranged through the second moving rod 111 and the second insertion rod 112. The testing end of the dial gauge 113 is a disc 114 coaxially arranged with the second insertion rod 112. The disc 114 is in sliding contact with the second insertion rod 112. One side of the disc 114 towards the exhaust manifold is in abutting arrangement with the air outlet end mounting plane 9 during testing.

[0039] In this way, the second moving rod 111 is inserted into different moving channels, and the second insertion rod 112 is inserted into different positioning through holes. The depth of each second insertion rod 112 inserted into the positioning through hole is ensured to be the same, and the disc 114 is in close contact with the air outlet end mounting plane 9 of the exhaust manifold. If the dial gauge 113 shows within a certain threshold range after each detection, it indicates that the flatness of the air outlet end mounting plane 9 of the exhaust manifold meets the standard.

[0040] Further, the through hole detection positioning mechanism 7 comprises a first positioning block 71 and a second positioning block 72 detachably connected with the bottom surface of the workbench 1, the second positioning block 72 is arranged below the positioning pin hole, one side of the first positioning block 71 away from the workbench 1 is hingedly connected with a swing rod 73, one end of the swing rod 73 is located below the second positioning block 72, the other end of the swing rod 73 extends out of the workbench 1, the detection rod 8 is slidably installed in the second positioning block 72, the bottom end of the detection rod 8 passes through the second positioning block 72 and slidably abuts against the top surface of the end of the swing rod 73, the hinge point of the swing rod 73 is arranged directly below the first positioning block 71, and a limiting gap 12 is formed between the bottom surface of the first positioning block 71 and the hinge end point of the swing rod 73.

[0041] The side wall of the workbench 1 is provided with a limiting block 74, the limiting block 74 is arranged on the side surface of the swing rod 73, when the end of the swing rod 73 extending out of the workbench 1 moves to the limiting plane of the limiting block 74, the other end of the swing rod 73 completely lifts the detection rod 8 to the detection state.

[0042] In this way, the worker lifts the detection rod 8 by pressing down the swing rod 73, so that the other end of the swing rod 73 lifts the detection rod 8 upward. The fiber surface of the limiting block 74 can effectively guide the operator to avoid excessive downward pressure to cause the detection rod 8 to move upward. And the limiting gap 12 arranged between the bottom surface of the first positioning block 71 and the hinge end point of the swing rod 73, when the detection rod 8 falls under the action of gravity, the lifted end of the swing rod 73 abuts against the bottom surface of the first positioning block 71 in the state that one end of the swing rod 73 is pressed down and the other end is lifted, so that the bottom surface of the first positioning block 71 limits the swing rod 73, avoiding the abutting end of the swing rod 73 and the detection rod 8 from moving downward excessively to cause the detection rod 8 to fall in the non-working state.

[0043] Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement to part of the technical features, any modification, equivalent replacement, improvement, etc. within the spirit and principles of the utility model should be included in the protection scope of the utility model.

Claims

1. An exhaust manifold detection tool characterized by, The utility model provides a kind of exhaust manifold installation and detection device, including workbench (1), the top surface of the workbench (1) is equipped with fixed platform (2), the fixed platform (2) is used to place the mounting plane plate (3) of exhaust manifold, positioning column detection mechanism (4) and gas outlet end comprehensive detection mechanism (5) are installed around the fixed platform (2) on the workbench (1), the workbench (1) is also equipped with pressing mechanism (6), the pressing mechanism (6) is used to press the top surface of the mounting plane plate (3), the bottom surface of the workbench (1) is equipped with a plurality of through-hole detection positioning mechanism (7), the through-hole detection positioning mechanism (7) is configured with vertical detection rod (8), the detection rod (8) is arranged along its axial movement, and sliding passes through the workbench (1) and the fixed platform (2), the bottom surface of the workbench (1) is equipped with a plurality of through-hole detection positioning mechanism (7), a plurality of the detection rod (8) is arranged according to the layout of positioning pin hole on the mounting plane plate (3), and each positioning pin hole corresponds to a detection rod (8).

2. An exhaust manifold detection tool as claimed in claim 1, wherein, The positioning column detection mechanism (4) includes mounting table (41) installed on the top surface of the workbench (1), the top surface of the mounting table (41) is configured with bearing table (42) parallel to the end surface of the positioning column to be detected, the bearing table (42) is configured with sliding channel parallel to the through hole of the positioning column to be detected, the sliding channel is slidably installed with calibration rod (43), and the end of the calibration rod (43) is configured with profile detection cover (44) matched with the outer wall of the positioning column to be detected.

3. An exhaust manifold detection tool as defined in claim 2, wherein, The profile detection cover (44) is configured with a groove on the side facing the positioning column to be detected, the inner wall of the groove is matched with the outer wall of the positioning column to be detected, and a detection column is coaxially installed in the groove.

4. An exhaust manifold detection tool as defined in claim 1, wherein, The gas outlet end comprehensive detection mechanism (5) includes a support block parallel to the gas outlet end mounting plane (9) of the exhaust manifold, the support block is configured with a movement channel parallel to the positioning through hole on the gas outlet end mounting plane (9) of the exhaust manifold, and the movement channel is slidably installed with a hole detection mechanism (10) or a plane detection mechanism (11).

5. An exhaust manifold detection tool as defined in claim 4, wherein, The hole detection mechanism (10) includes a first moving rod (101) slidably arranged in the movement channel, and a first insertion rod (102) is coaxially installed at one end of the first moving rod (101) facing the exhaust manifold, and the outer diameter of the first insertion rod (102) is matched with the inner diameter of the positioning through hole on the gas outlet end mounting plane (9).

6. An exhaust manifold detection tool as defined in claim 4, wherein, The plane detection mechanism (11) comprises a second moving rod (111) slidingly arranged in the moving channel, a second insertion rod (112) coaxially arranged at one end of the second moving rod (111) towards the exhaust manifold, the outer diameter of the second insertion rod (112) matches the inner diameter of the positioning through hole on the gas outlet end mounting plane (9), a micrometer (113) is arranged on the second moving rod (111), the testing end of the micrometer (113) is coaxially arranged through the second moving rod (111) and the second insertion rod (112), the testing end of the micrometer (113) is a disc (114) coaxially arranged with the second insertion rod (112), the disc (114) is in sliding contact with the second insertion rod (112) coaxially, and one side of the disc (114) towards the exhaust manifold is in abutting arrangement with the gas outlet end mounting plane (9) during testing.

7. An exhaust manifold detection tool as defined in claim 1, wherein, The through hole detection positioning mechanism (7) comprises a first positioning block (71) and a second positioning block (72) detachably connected to the bottom surface of the workbench (1), the second positioning block (72) is arranged below the positioning pin hole, the side of the first positioning block (71) away from the workbench (1) is hingedly connected with a swing rod (73), one end of the swing rod (73) is located below the second positioning block (72), the other end of the swing rod (73) extends out of the workbench (1), the detection rod (8) is slidingly arranged in the second positioning block (72), the bottom end of the detection rod (8) slidingly abuts the top surface of the end of the swing rod (73) through the second positioning block (72), the hinge point of the swing rod (73) is arranged directly below the first positioning block (71), and a limiting gap (12) is formed between the bottom surface of the first positioning block (71) and the hinge end point of the swing rod (73).

8. An exhaust manifold detection tool as defined in claim 7, wherein, The side wall of the workbench (1) is provided with a limiting block (74), the limiting block (74) is arranged on the side of the swing rod (73), when the end of the swing rod (73) extending out of the workbench (1) moves to the limiting plane of the limiting block (74), the other end of the swing rod (73) completely pushes out the detection rod (8) to the detection state.