CN211147535U - Crankshaft turning radius mistake proofing inspection device - Google Patents
Crankshaft turning radius mistake proofing inspection device Download PDFInfo
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- CN211147535U CN211147535U CN202020100109.3U CN202020100109U CN211147535U CN 211147535 U CN211147535 U CN 211147535U CN 202020100109 U CN202020100109 U CN 202020100109U CN 211147535 U CN211147535 U CN 211147535U
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Abstract
The utility model relates to a bent axle detects technical field, and discloses a bent axle gyration radius mistake proofing examines utensil, the on-line screen storage device comprises a base, about and four supports of symmetrical fixedly connected with around the upper end of base, relative one side inner wall is connected with same bearing through the round pin rotation around the support upper end, the stopper of fixedly connected with T shape structure is gone back to the upper end intermediate position of base, two positioning mechanism that are used for fixing a position the stopper of upper end symmetrical fixedly connected with of base, two electronic slide rails of upper end bilateral symmetry fixedly connected with of base, sliding connection has the slider, two in the electronic slide rail the same U-shaped backup pad of upper end fixedly connected with of slider. The utility model discloses can realize automated inspection, and can prevent that the bent axle from beating, guarantee detection quality.
Description
Technical Field
The utility model relates to a bent axle detects technical field, especially relates to a bent axle radius of gyration mistake proofing examines utensil.
Background
Due to the design concept of light weight of automobile engines in recent years, the internal space of the engine is designed to be more and more compact, so that the requirement of the gyration radius of the crankshaft rotating in the cylinder block is more and more precise. If the revolving radius of the crankshaft cannot meet the requirement, the crankshaft interferes with adjacent parts in the cylinder body of the engine, and under the high-speed impact of the crankshaft, the parts in the cylinder body and the crankshaft are seriously damaged to cause the damage of the engine, so that the revolving radius of the crankshaft is one of important parameters which must be ensured in the manufacturing process.
The patent with the patent publication No. CN 208042960U provides a crankshaft turning radius mistake-proofing checking fixture, wherein a bearing 1 is contacted with the excircle of a main journal at two ends of a crankshaft, the crankshaft can freely rotate on the bearing 1, the bearing 1 is fixed on a pin shaft 2 through press fit, the pin shaft 2 is fixed on a support 3 through press fit, the support 3 is connected with a flat plate 5 through a screw 4, a limit block 6 is fixed on the flat plate 5 through a screw 7, the limit block 6 is arranged under each crank throw of the crankshaft, the distance from the limit block 6 to the central line of the crankshaft is equal to the maximum allowable turning radius of the crankshaft, the patent needs to manually rotate the crankshaft for detection operation, but the crankshaft can not stably rotate in the actual operation process, the crankshaft is easy to jump, the detection accuracy is influenced, a large number of bolts are needed for installation of the limit blocks, and great inconvenience is brought when different limit blocks need to be replaced when crankshafts with different, it is inconvenient for practical use.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving and needing the manual rotation bent axle to carry out detection operation among the prior art, but can not make the bent axle stably rotate among the actual operation process, the bent axle appears beating easily, has influenced the detection accuracy, and need use a large amount of bolts to the installation of stopper, the inconvenience very when carrying out the needs that detects to different turning radius's bent axle and changing different stoppers, the problem of not being convenient for in-service use, and a bent axle turning radius mistake proofing utensil that proposes.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a crankshaft turning radius mistake-proofing gauge comprises a base, wherein four supports are symmetrically and fixedly connected to the left and right sides and the front and back sides of the upper end of the base, the inner wall of one side of the upper end of each support, which is opposite to the front and back sides, is rotatably connected with a same bearing through a pin shaft, a limiting block with a T-shaped structure is fixedly connected to the middle position of the upper end of the base, two positioning mechanisms for positioning the limiting block are symmetrically and fixedly connected to the upper end of the base, two electric slide rails are symmetrically and fixedly connected to the upper end of the base, slide blocks are slidably connected to the electric slide rails, a same U-shaped supporting plate is fixedly connected to the upper ends of the two slide blocks, an electric push rod is fixedly connected to the lower end of the horizontal part of the U-shaped supporting plate, a U-shaped fixing frame, and an output shaft of the driving motor penetrates through the side wall of the U-shaped fixing frame and is fixedly connected with one end of the rotating shaft.
Preferably, the lower end of the limiting block is symmetrically and fixedly connected with two wedge-shaped blocks, and a dovetail groove matched and clamped with the wedge-shaped blocks is formed in the side wall of the base.
Preferably, the positioning mechanism comprises an L-shaped positioning plate fixedly connected to the upper end of the base, the horizontal portion of the L-shaped positioning plate is provided with a plurality of insertion holes, the insertion holes are movably inserted into the horizontal portion of the limiting block, the horizontal portion of the limiting block is provided with positioning holes correspondingly inserted into the positioning rods, the upper ends of the positioning rods are fixedly connected with the same pulling plate, and a plurality of positioning springs sleeved outside the positioning rods are fixedly connected between the lower ends of the pulling plate and the upper ends of the L-shaped positioning plates.
Preferably, the outer wall of the vertical part of the limiting block is fixedly wrapped with a layer of cushion rubber pad.
Preferably, the electric slide rail and the driving motor are electrically connected with an external power supply through a control switch.
Compared with the prior art, the utility model provides a bent axle radius of gyration mistake proofing examines utensil possesses following beneficial effect:
1. this bent axle gyration radius mistake proofing examines utensil, pinch roller through being equipped with, place the bent axle after on the bearing, start electronic slide rail, electronic slide rail passes through the slider and drives the removal of U-shaped backup pad, make the pinch roller remove to the position that corresponds the bearing, start electric putter, push down the pinch roller under the electric putter and make the pinch roller cooperate the bearing to stabilize the pressure to the bent axle and hold spacingly, restart driving motor, driving motor drives the pinch roller and rotates and then drive bent axle automatic rotation, can realize automated inspection, and can prevent that the bent axle from beating, and the detection quality is guaranteed.
2. This bent axle gyration radius mistake proofing examines utensil, stopper through being equipped with, when installing the stopper, earlier utilize the cooperation of wedge and dovetail to make stopper and base relatively firm link together, the horizontal part card of stopper is in the inboard of L shape locating plates, the locating hole is aimed at to the locating lever, positioning spring pull-down plate, it is spacing to the firm of stopper that can realize in the locating hole promptly that the pull-down plate impels the locating lever, when the stopper is taken off to needs, the spacing locking to the stopper can be relieved outside pulling the locating lever pull-out locating hole to the pulling plate, can realize the quick assembly disassembly to the stopper, and convenient to use.
And the part that does not relate to among the device all is the same with prior art or can adopt prior art to realize, the utility model discloses can realize automated inspection, and can prevent that the bent axle from beating, guarantee detection quality.
Drawings
Fig. 1 is a schematic structural view of a crankshaft turning radius mistake proofing fixture provided by the utility model;
fig. 2 is the utility model provides a structural schematic diagram of a crankshaft radius of gyration mistake proofing examines a part A.
In the figure, a base 1, a support 2, a pin shaft 3, a bearing 4, a limiting block 5, a positioning mechanism 6, a positioning plate 61L, a positioning rod 62, a positioning hole 63, a pulling plate 64, a positioning spring 65, an electric sliding rail 7, a sliding block 8, a U-shaped supporting plate 9, an electric push rod 10, a U-shaped fixing frame 11, a pressing wheel 12, a driving motor 13, a wedge block 14 and a dovetail groove 15 are arranged.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
Referring to fig. 1-2, a crankshaft turning radius mistake proofing inspection device comprises a base 1, four supports 2 are symmetrically and fixedly connected to the upper end of the base 1 in a left-right and front-back symmetrical manner, the inner walls of the front and back opposite sides of the upper end of the supports 2 are rotatably connected with a same bearing 4 through a pin shaft 3, a T-shaped structure limiting block 5 is also fixedly connected to the middle position of the upper end of the base 1, two positioning mechanisms 6 for positioning the limiting block 5 are symmetrically and fixedly connected to the upper end of the base 1 in a left-right symmetrical manner, two electric slide rails 7 are fixedly connected to the upper end of the base 1 in a left-right symmetrical manner, slide blocks 8 are slidably connected to the electric slide rails 7, a same U-shaped support plate 9 is fixedly connected to the upper ends of the two slide blocks 8, an electric push rod 10 is fixedly connected to, the outer wall of the U-shaped fixing frame 11 is fixedly connected with a driving motor 13, and an output shaft of the driving motor 13 penetrates through the side wall of the U-shaped fixing frame 11 and is fixedly connected with one end of the rotating shaft.
Two wedge blocks 14 are symmetrically and fixedly connected to the lower end of the limiting block 5, and a dovetail groove 15 matched and clamped with the wedge blocks 14 is formed in the side wall of the base 1.
The outer wall of the vertical part of the limiting block 5 is fixedly coated with a layer of buffer rubber pad.
The electric slide rail 7 and the driving motor 13 are electrically connected with an external power supply through a control switch.
The utility model discloses in, during the use, pinch roller 12 through being equipped with, place the bent axle after on bearing 4, start electronic slide rail 7, electronic slide rail 7 drives U-shaped backup pad 9 through slider 8 and removes, make pinch roller 12 remove to the position that corresponds bearing 4, start electric putter 10, pinch roller 12 makes pinch roller 12 cooperate the bearing to stabilize the pressure and hold spacingly to bent axle 4 under electric putter 10, restart driving motor 13, driving motor 13 drives pinch roller 12 and rotates and then drive bent axle automatic rotation, can realize automated inspection, and can prevent that the bent axle from beating, detection quality has been guaranteed, stopper 5 through being equipped with, when installing stopper 5, utilize the cooperation of wedge 14 and dovetail 15 earlier to make stopper 5 and base 1 relatively firm link together, stopper 5's horizontal part card is in L shape locating plate 61's inboard, locating lever 62 aims at locating hole 63, locating spring 65 pull-down board 64, pull-down board 64 can realize the stopper 5 firm spacing of fixing in pushing into locating hole 63 with locating lever 62, when needing to take off stopper 5, the quick dismouting of realizing stopper 5 can be convenient for stopper 5.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (5)
1. The crankshaft turning radius mistake-proofing inspection device comprises a base (1) and is characterized in that four supports (2) are symmetrically and fixedly connected to the left and right sides and the front and back side of the upper end of the base (1), the inner wall of one side, opposite to the front and back side of the upper end of each support (2), is rotatably connected with the same bearing (4) through a pin shaft (3), a limiting block (5) with a T-shaped structure is fixedly connected to the middle position of the upper end of the base (1), two positioning mechanisms (6) used for positioning the limiting block (5) are symmetrically and fixedly connected to the upper end of the base (1), two electric sliding rails (7) are symmetrically and fixedly connected to the left and right side of the upper end of the base (1), sliding blocks (8) are slidably connected to the electric sliding rails (7), the upper ends of the two sliding blocks (8) are fixedly connected with the same U-shaped, the lower extreme fixedly connected with U-shaped mount (11) of electric putter (10), the inner wall of U-shaped mount (11) is rotated through the pivot and is connected with pinch roller (12), the outer wall fixedly connected with driving motor (13) of U-shaped mount (11), the output shaft of driving motor (13) run through the lateral wall of U-shaped mount (11) and with the one end fixed connection of pivot.
2. The crankshaft turning radius mistake proofing gauge according to claim 1, characterized in that the lower end of the limiting block (5) is symmetrically and fixedly connected with two wedge blocks (14), and the side wall of the base (1) is provided with a dovetail groove (15) which is matched and clamped with the wedge blocks (14).
3. The crankshaft turning radius mistake proofing inspection tool according to claim 1, characterized in that the positioning mechanism (6) comprises an L-shaped positioning plate (61) fixedly connected to the upper end of the base (1), a plurality of insertion holes are formed in the horizontal portion of the L-shaped positioning plate (61), the positioning rods (62) are movably inserted in the insertion holes, positioning holes (63) correspondingly inserted with the positioning rods (62) are formed in the horizontal portion of the limiting block (5), the upper ends of the positioning rods (62) are fixedly connected with a same pulling plate (64), and a plurality of positioning springs (65) sleeved outside the positioning rods (62) are fixedly connected between the lower ends of the pulling plate (64) and the upper ends of the L-shaped positioning plates (61).
4. The crankshaft turning radius mistake proofing gauge according to claim 1, characterized in that the outer wall of the vertical part of the limiting block (5) is fixedly wrapped with a layer of cushion rubber.
5. The crankshaft turning radius mistake proofing gauge according to claim 1, characterized in that the electric slide rail (7) and the driving motor (13) are electrically connected with an external power supply through a control switch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020100109.3U CN211147535U (en) | 2020-01-17 | 2020-01-17 | Crankshaft turning radius mistake proofing inspection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020100109.3U CN211147535U (en) | 2020-01-17 | 2020-01-17 | Crankshaft turning radius mistake proofing inspection device |
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| CN211147535U true CN211147535U (en) | 2020-07-31 |
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| CN202020100109.3U Active CN211147535U (en) | 2020-01-17 | 2020-01-17 | Crankshaft turning radius mistake proofing inspection device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112325753A (en) * | 2020-10-27 | 2021-02-05 | 安庆中船柴油机有限公司 | Safety detection device for marine diesel engine cylinder cover |
-
2020
- 2020-01-17 CN CN202020100109.3U patent/CN211147535U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112325753A (en) * | 2020-10-27 | 2021-02-05 | 安庆中船柴油机有限公司 | Safety detection device for marine diesel engine cylinder cover |
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