CN220389231U - Flaw detection jig for automobile engine bearing bush - Google Patents
Flaw detection jig for automobile engine bearing bush Download PDFInfo
- Publication number
- CN220389231U CN220389231U CN202322239635.4U CN202322239635U CN220389231U CN 220389231 U CN220389231 U CN 220389231U CN 202322239635 U CN202322239635 U CN 202322239635U CN 220389231 U CN220389231 U CN 220389231U
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- fixedly connected
- bearing bush
- side wall
- outer side
- bracket
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- 238000001514 detection method Methods 0.000 title claims abstract description 59
- 239000000523 sample Substances 0.000 claims description 25
- 230000005540 biological transmission Effects 0.000 claims description 11
- 238000000034 method Methods 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000001050 lubricating effect Effects 0.000 description 1
Classifications
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/40—Engine management systems
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- Investigating Or Analyzing Materials By The Use Of Magnetic Means (AREA)
Abstract
The utility model discloses a flaw detection jig for an automobile engine bearing bush, which relates to the technical field of engine bearing bushes and comprises a bracket, a workbench fixedly connected to the bottom of the bracket, and a bearing bush body placed on the top of the workbench, and is characterized by further comprising a driving unit fixedly connected to the bottom of the bracket, a clamping unit arranged on the top of the workbench, and a detection unit arranged on the bottom of the driving unit; the clamping unit comprises a movable block movably arranged at the top of the workbench, and a positioning plate and a clamping block movably arranged at the top of the movable block and used for clamping the bearing bush body; the detection unit comprises a driving motor fixedly connected to the outer side wall of the driving unit. The utility model relates to a flaw detection jig for an automobile engine bearing bush, which drives a screw rod to rotate through a servo motor so as to drive a movable seat and a clamping block to do linear motion until the clamping block and a positioning plate jointly support against a bearing bush body, so that the bearing bush body is fixed.
Description
Technical Field
The utility model relates to the technical field of engine bearing bushes, in particular to a flaw detection jig for an automobile engine bearing bush.
Background
In an automobile engine, bearing bushes are arranged between the connection of a connecting rod and a crankshaft and between the connection of the crankshaft and a crankcase. The bearing bush plays a vital role in the service life of the crankcase and the engine crankshaft, and because an oil film with a lubricating effect can be formed between the crankcase and the bearing bush through the bearing bush and between the crankshaft and the bearing bush, when the engine works, the crankshaft rotates at a high speed in the crankcase, the friction coefficient between every two can be greatly reduced through the oil film, and the bearing bush is quite useful for protecting the crankcase and the engine crankshaft. At present, in order to detect whether the bearing bush is qualified or not when the existing automobile engine bearing bush is produced, flaw detection needs to be carried out on the inside of the bearing bush.
Publication (bulletin) number: CN218350092U discloses a flaw detection jig for a bearing bush of an automobile engine, and the technical scheme is as follows: including the bottom plate that is used for placing the axle bush, the upper surface of bottom plate is provided with two sets of fixture, and two sets of fixture symmetry set up in the both sides of bottom plate, and the both ends of bottom plate all weld the backup pad, and the top welding of backup pad has the roof, and the upper surface fixed mounting of roof has first servo motor, and the output transmission of first servo motor is connected with the lead screw, and the one end and the roof rotation of lead screw are connected, and the internal surface welding of a set of backup pad has first fixed block, and the other end and the first fixed block rotation of lead screw are connected, and threaded connection has the removal seat on the circumference of lead screw.
Above-mentioned scheme is although can carry out the centre gripping to the both sides of placing the axle bush on the bottom plate and fix to improve the stability when detecting a flaw of axle bush, but the position of the unable accurate control axle bush centre gripping makes can't guarantee that the axle bush is located under the test probe, leads to test probe to detect the axle bush, and test probe is different from the internal diameter size distance of axle bush, and then leads to the precision of detection relatively poor.
Disclosure of Invention
The utility model mainly aims to provide a flaw detection jig for an automobile engine bearing bush, and solves the problems that detection probes detect the bearing bush by arranging a detection unit, and the detection probes are different in inner diameter dimension distance from the bearing bush, so that the detection accuracy is poor.
In order to achieve the above purpose, the present utility model provides the following technical solutions:
the flaw detection jig for the automobile engine bearing bush comprises a bracket, a workbench fixedly connected to the bottom of the bracket, and a bearing bush body placed on the top of the workbench, and is characterized by further comprising a driving unit fixedly connected to the bottom of the bracket, a clamping unit arranged on the top of the workbench, and a detection unit arranged on the bottom of the driving unit;
the clamping unit comprises a movable block movably arranged at the top of the workbench, and a positioning plate and a clamping block movably arranged at the top of the movable block and used for clamping the bearing bush body;
the detection unit comprises a driving motor fixedly connected to the outer side wall of the driving unit, an electric telescopic rod fixedly connected to the output end of the driving motor, and a detection probe movably arranged at the output end of the electric telescopic rod.
Preferably, the clamping unit further comprises a fixed plate fixedly connected to the top of the movable block, a connecting spring fixedly connected to the outer side wall of the fixed plate, and a rotating pin in threaded connection with the fixed plate;
the outer side wall of the positioning plate is fixedly connected with the end face of the connecting spring.
Preferably, the clamping unit further comprises a limit groove formed in the top of the movable block, a servo motor fixedly connected to the outer side wall of the movable block, a screw rod fixedly connected to the output end of the servo motor, and a movable seat movably arranged on the outer side wall of the screw rod;
the top of the movable seat extends to the outer surface of the movable block through the limit groove.
Preferably, the clamping unit further comprises an electric push rod fixedly connected to the inner side wall of the bracket;
the outer side wall of the movable block is fixedly connected with the output end of the electric push rod.
Preferably, the detection unit further comprises a mounting seat fixedly connected to the output end of the electric telescopic rod, an electromagnet inlaid in the mounting seat, a reset spring fixedly connected to the inner side wall of the mounting seat, and a movable sleeve fixedly connected to the end face of the reset spring;
the outer side wall of the detection probe is fixedly connected with the outer side wall of the movable sleeve.
Preferably, the detecting unit further comprises a mounting frame fixedly connected to the outer side wall of the movable sleeve and a limiting wheel movably connected with the mounting frame.
Preferably, the driving unit comprises an electric lifter fixedly connected to the bottom of the bracket, a transmission block fixedly connected to the output end of the electric lifter, a through hole formed in the top of the transmission block, rollers movably arranged on the inner side walls of the through hole, and a limiting rod fixedly connected to the bottom of the bracket.
Compared with the prior art, the utility model has the following beneficial effects:
1. according to the utility model, the rotating pin is screwed down, so that the positioning plate is driven to move, after the position of the positioning plate is adjusted, the bearing bush body is placed at the top of the movable block, the outer side wall of the bearing bush body is attached to the positioning plate, and then the servo motor is started, so that the servo motor drives the screw rod to rotate, and further the movable seat and the clamping block are driven to do linear motion until the clamping block and the positioning plate are abutted against the bearing bush body together, so that the bearing bush body is fixed.
2. According to the utility model, the electric lifter is started to drive the transmission block to move downwards, so as to drive the detection probe to move downwards until the detection probe moves to the inner surface of the bearing bush body, the electric telescopic rod is started at the moment, so as to drive the detection probe to move until the outer side wall of the limit wheel abuts against the inner side wall of the bearing bush body, the electromagnet is closed at the moment, so that the limit wheel is attached to the inner side wall of the bearing bush body under the action of the reset spring, and then the driving motor is started, so that the detection probe is driven to rotate, and the limit wheel rolls along the inner side wall of the bearing bush body under the action of the reset spring in the process, so that the detection probe scans the surface of the bearing bush body one by one.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present utility model;
FIG. 2 is an enlarged schematic view of the structure A of FIG. 1 according to the present utility model;
FIG. 3 is a schematic top view of the movable plate of the present utility model;
FIG. 4 is an enlarged schematic view of the structure B of FIG. 1 according to the present utility model;
fig. 5 is a schematic top view of fig. 4 according to the present utility model.
In the figure:
1. a bracket;
2. a work table;
3. a bearing bush body;
4. a driving unit; 401. an electric lifter; 402. a transmission block; 403. a through hole; 404. a roller; 405. a limit rod;
5. a clamping unit; 501. a movable block; 502. a fixing plate; 503. a connecting spring; 504. a positioning plate; 505. a rotation pin; 506. a limit groove; 507. a servo motor; 508. a screw rod; 509. a movable seat; 5010. an electric push rod;
6. a detection unit; 601. a driving motor; 602. an electric telescopic rod; 603. a mounting base; 604. an electromagnet; 605. a return spring; 606. a movable sleeve; 607. a detection probe; 608. a mounting frame; 609. and a limiting wheel.
Detailed Description
The utility model is further described in connection with the following detailed description, in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the utility model easy to understand.
Example 1: as shown in fig. 1-5, a flaw detection jig for an automobile engine bearing bush comprises a bracket 1, a workbench 2 fixedly connected to the bottom of the bracket 1, a bearing bush body 3 placed on the top of the workbench 2, a driving unit 4 fixedly connected to the bottom of the bracket 1, a clamping unit 5 arranged on the top of the workbench 2, and a detection unit 6 arranged on the bottom of the driving unit 4;
the clamping unit 5 comprises a movable block 501 movably arranged at the top of the workbench 2, and a positioning plate 504 and a clamping block movably arranged at the top of the movable block 501 and used for clamping the bearing bush body 3;
the detection unit 6 comprises a driving motor 601 fixedly connected to the outer side wall of the driving unit 4, an electric telescopic rod 602 fixedly connected to the output end of the driving motor 601, and a detection probe 607 movably arranged at the output end of the electric telescopic rod 602.
The clamping unit 5 further comprises a fixed plate 502 fixedly connected to the top of the movable block 501, a connecting spring 503 fixedly connected to the outer side wall of the fixed plate 502, and a rotating pin 505 in threaded connection with the fixed plate 502;
the outer side wall of the positioning plate 504 is fixedly connected with the end face of the connecting spring 503, wherein the central axis of the rotating pin 505 coincides with the central axis of the connecting spring 503, and the positioning plate 504 is driven to move by rotating the rotating pin 505.
The clamping unit 5 further comprises a limit groove 506 formed at the top of the movable block 501, a servo motor 507 fixedly connected to the outer side wall of the movable block 501, a screw rod 508 fixedly connected to the output end of the servo motor 507, and a movable seat 509 movably arranged on the outer side wall of the screw rod 508;
the top of the movable seat 509 extends to the outer surface of the movable block 501 through the limiting groove 506, and the outer side wall of the clamping block is fixedly connected with the outer side wall of the movable seat 509, wherein the screw rod 508 is positioned in the movable block 501, and the clamping block faces the positioning plate 504.
The clamping unit 5 further comprises an electric push rod 5010 fixedly connected to the inner side wall of the bracket 1;
the outer side wall of the movable block 501 is fixedly connected with the output end of the electric push rod 5010, and the movable block 501 is driven to horizontally slide on the top of the workbench 2 through the electric push rod 5010.
Firstly, the position of the positioning plate 504 is adjusted according to the width of the bearing bush body 3, specifically, the rotating pin 505 is screwed down, thereby the positioning plate 504 is driven to move, the connecting spring 503 is stretched, when the rotating pin 505 is loosened conveniently through the connecting spring 503, the connecting spring 503 drives the positioning plate 504 to reset, after the position adjustment of the positioning plate 504 is completed, the bearing bush body 3 is placed at the top of the movable block 501, the outer side wall of the bearing bush body 3 is attached to the positioning plate 504, then the servo motor 507 is started, so that the servo motor 507 drives the screw 508 to rotate, and then the movable seat 509 and the clamping block are driven to do linear motion until the clamping block and the positioning plate 504 are propped against the bearing bush body 3 together, thereby the bearing bush body 3 is fixed, the middle vertical surface of the bearing bush body 3 is ensured to coincide with the middle vertical surface of the detection probe 607 through the movable positioning plate 504, and the horizontal position of the bearing bush body 3 is adjusted conveniently through the set electric push rod 5010, so that the central axis of the detection probe coincides with the vertical radial line of the bearing bush body 3.
Example 2: as shown in fig. 1-5, a flaw detection jig for an automobile engine bearing bush comprises a bracket 1, a workbench 2 fixedly connected to the bottom of the bracket 1, a bearing bush body 3 placed on the top of the workbench 2, a driving unit 4 fixedly connected to the bottom of the bracket 1, a clamping unit 5 arranged on the top of the workbench 2, and a detection unit 6 arranged on the bottom of the driving unit 4;
the clamping unit 5 comprises a movable block 501 movably arranged at the top of the workbench 2, and a positioning plate 504 and a clamping block movably arranged at the top of the movable block 501 and used for clamping the bearing bush body 3;
the detection unit 6 comprises a driving motor 601 fixedly connected to the outer side wall of the driving unit 4, an electric telescopic rod 602 fixedly connected to the output end of the driving motor 601, and a detection probe 607 movably arranged at the output end of the electric telescopic rod 602.
The detection unit 6 further comprises a mounting seat 603 fixedly connected to the output end of the electric telescopic rod 602, an electromagnet 604 inlaid in the mounting seat 603, a reset spring 605 fixedly connected to the inner side wall of the mounting seat 603, and a movable sleeve 606 fixedly connected to the end face of the reset spring 605;
the outer side wall of the detection probe 607 is fixedly connected with the outer side wall of the movable sleeve 606, wherein the movable sleeve 606 is sleeved on the outer side wall of the mounting seat 603, the movable sleeve 606 is a permanent magnet, and the adjacent positions of the movable sleeve 606 and the electromagnet 604 are attracted to each other.
The detecting unit 6 further comprises a mounting frame 608 fixedly connected to the outer side wall of the movable sleeve 606, and a limiting wheel 609 movably connected with the mounting frame 608.
The driving unit 4 comprises an electric lifter 401 fixedly connected to the bottom of the bracket 1, a transmission block 402 fixedly connected to the output end of the electric lifter 401, a through hole 403 formed in the top of the transmission block 402, a roller 404 movably arranged on the inner side wall of the through hole 403, and a limiting rod 405 fixedly connected to the bottom of the bracket 1, wherein the limiting rod 405 penetrates through the through hole 403, the outer side wall of the roller 404 abuts against the outer side wall of the limiting rod 405, and the output end of the driving motor 601 penetrates through the bottom plate of the transmission block 402.
After the bearing bush body 3 is fixed, the electric lifter 401 is started, so that the transmission block 402 is driven to move downwards, the detection probe 607 is driven to move downwards until the detection probe 607 moves to the inner surface of the bearing bush body 3, the electric telescopic rod 602 is started at the moment, the detection probe 607 is driven to move until the outer side wall of the limit wheel 609 is propped against the inner side wall of the bearing bush body 3, the electromagnet 604 is closed at the moment, the limit wheel 609 is attached to the inner side wall of the bearing bush body 3 under the action of the reset spring 605, the driving motor 601 is started, the detection probe 607 is driven to rotate, the limit wheel 609 rolls along the inner side wall of the bearing bush body 3 under the action of the reset spring 605 in the process, and the detection probe 607 is further scanned one by one on the surface of the bearing bush body 3, so that the sufficiency and the accuracy in detection are increased.
Claims (7)
1. The flaw detection jig for the automobile engine bearing bush comprises a bracket (1), a workbench (2) fixedly connected to the bottom of the bracket (1) and a bearing bush body (3) placed on the top of the workbench (2), and is characterized by further comprising a driving unit (4) fixedly connected to the bottom of the bracket (1), a clamping unit (5) arranged on the top of the workbench (2) and a detection unit (6) arranged on the bottom of the driving unit (4);
the clamping unit (5) comprises a movable block (501) movably arranged at the top of the workbench (2), and a positioning plate (504) and a clamping block which are movably arranged at the top of the movable block (501) and used for clamping the bearing bush body (3);
the detection unit (6) comprises a driving motor (601) fixedly connected to the outer side wall of the driving unit (4), an electric telescopic rod (602) fixedly connected to the output end of the driving motor (601), and a detection probe (607) movably arranged at the output end of the electric telescopic rod (602).
2. The flaw detection jig for an automobile engine bearing bush according to claim 1, wherein: the clamping unit (5) further comprises a fixed plate (502) fixedly connected to the top of the movable block (501), a connecting spring (503) fixedly connected to the outer side wall of the fixed plate (502), and a rotating pin (505) in threaded connection with the fixed plate (502);
the outer side wall of the positioning plate (504) is fixedly connected with the end face of the connecting spring (503).
3. The flaw detection jig for an automobile engine bearing bush according to claim 2, characterized in that: the clamping unit (5) further comprises a limit groove (506) formed in the top of the movable block (501), a servo motor (507) fixedly connected to the outer side wall of the movable block (501), a screw rod (508) fixedly connected to the output end of the servo motor (507), and a movable seat (509) movably arranged on the outer side wall of the screw rod (508);
the top of the movable seat (509) extends to the outer surface of the movable block (501) through the limit groove (506).
4. A flaw detection jig for an automotive engine bearing bush according to claim 3, characterized in that: the clamping unit (5) further comprises an electric push rod (5010) fixedly connected to the inner side wall of the bracket (1);
the outer side wall of the movable block (501) is fixedly connected with the output end of the electric push rod (5010).
5. The flaw detection jig for an automobile engine bearing bush according to claim 1, wherein: the detection unit (6) further comprises a mounting seat (603) fixedly connected to the output end of the electric telescopic rod (602), an electromagnet (604) inlaid in the mounting seat (603), a reset spring (605) fixedly connected to the inner side wall of the mounting seat (603), and a movable sleeve (606) fixedly connected to the end face of the reset spring (605);
the outer side wall of the detection probe (607) is fixedly connected with the outer side wall of the movable sleeve (606).
6. The flaw detection jig for an automobile engine bearing bush according to claim 5, wherein: the detection unit (6) further comprises a mounting frame (608) fixedly connected to the outer side wall of the movable sleeve (606), and a limiting wheel (609) movably connected with the mounting frame (608).
7. The flaw detection jig for an automobile engine bearing bush according to claim 1, wherein: the driving unit (4) comprises an electric lifter (401) fixedly connected to the bottom of the bracket (1), a transmission block (402) fixedly connected to the output end of the electric lifter (401), a through hole (403) formed in the top of the transmission block (402), rollers (404) movably arranged on the inner side walls of the through hole (403), and a limiting rod (405) fixedly connected to the bottom of the bracket (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322239635.4U CN220389231U (en) | 2023-08-17 | 2023-08-17 | Flaw detection jig for automobile engine bearing bush |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322239635.4U CN220389231U (en) | 2023-08-17 | 2023-08-17 | Flaw detection jig for automobile engine bearing bush |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220389231U true CN220389231U (en) | 2024-01-26 |
Family
ID=89601678
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322239635.4U Active CN220389231U (en) | 2023-08-17 | 2023-08-17 | Flaw detection jig for automobile engine bearing bush |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220389231U (en) |
-
2023
- 2023-08-17 CN CN202322239635.4U patent/CN220389231U/en active Active
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