CN219200318U

CN219200318U - Engine crankshaft balance weight angle detection device

Info

Publication number: CN219200318U
Application number: CN202320177791.XU
Authority: CN
Inventors: 周会军; 沈顺利; 曹曦
Original assignee: Nanjing Automobile Forging Co ltd
Current assignee: Nanjing Automobile Forging Co ltd
Priority date: 2023-02-08
Filing date: 2023-02-08
Publication date: 2023-06-16
Anticipated expiration: 2033-02-08

Abstract

The utility model relates to the technical field of angle detection, in particular to an angle detection device for an engine crankshaft balance block, which comprises a bracket, a forging clamping device and a measuring device, wherein the forging clamping device and the measuring device are both arranged on the bracket, the forging clamping device comprises a three-jaw chuck, a conical positioning block, a spring and a central positioning plate, and the measuring device comprises a dividing head and a horizontal standard block; the three-jaw chuck is arranged on the dividing head and is positioned on one side of the bracket; the center positioning plate is arranged on the other side of the bracket, and the conical positioning block penetrates through the spring and is arranged on one side of the center positioning plate; the three-jaw chuck and the conical positioning block are matched to clamp a product. The utility model can provide accurate included angle degrees of the balancing weights in a short time, thereby judging whether the crankshaft forging meets the requirements or not and reducing the problem of low working efficiency caused by full-size measurement of the upper three coordinates.

Description

Engine crankshaft balance weight angle detection device

Technical Field

The utility model relates to the technical field of angle detection, in particular to an angle detection device for a crankshaft balance weight of an engine.

Background

At present, for crankshafts with balance weights not on the same horizontal plane, the degree value of an included angle between the balance weights is not easy to measure, in the prior art, a three-coordinate measuring instrument is generally adopted for measurement, however, the three-coordinate measuring instrument is constrained by external conditions and measuring capacity required by equipment, and can not meet the increasingly developed production requirements, and particularly, the requirement of forging enterprises on quick measurement is difficult to meet.

Disclosure of Invention

The utility model solves the problem of low efficiency of measuring the angle of the crankshaft balance weight by adopting a three-coordinate measuring instrument in the related technology, and provides the device for detecting the angle of the crankshaft balance weight of the engine, which can give accurate degrees of included angles of the balance weight in a short time, thereby judging whether a crankshaft forging piece meets the requirements or not and reducing the problem of low working efficiency caused by the three-coordinate full-size measurement.

In order to solve the technical problems, the utility model is realized by the following technical scheme: the angle detection device for the crankshaft balance block of the engine comprises a bracket, a forging clamping device and a measuring device, wherein the forging clamping device and the measuring device are both arranged on the bracket, the forging clamping device comprises a three-jaw chuck, a conical positioning block, a spring and a central positioning plate, and the measuring device comprises an index head and a horizontal standard block; the three-jaw chuck is arranged on the dividing head and is positioned on one side of the bracket; the center positioning plate is arranged on the other side of the bracket, and the conical positioning block penetrates through the spring and is arranged on one side of the center positioning plate; the three-jaw chuck and the conical positioning block are matched to clamp a product.

As a preferable scheme, the dividing head comprises an dividing disc and a hand wheel, and the dividing disc and the three-jaw chuck are driven to rotate by rotating the hand wheel.

Preferably, the horizontal standard block is placed on the bracket and can be moved arbitrarily.

As a preferable scheme, the region of the bracket for placing the central positioning plate is provided with two rows of threaded holes, and the central positioning plate is arranged in the threaded holes of the bracket through screws.

As the preferable scheme, the right side of the center locating plate is provided with a large nut and a movable handle, the conical locating block penetrates through the center locating plate to be connected with the large nut, and the movable handle is fixed on the right side of the center locating plate through a bolt and a cushion block, and one end of the handle props against the large nut.

Compared with the prior art, the utility model has the beneficial effects that:

(1) The detection is quick, the accurate included angle degree of the balancing weight can be given in a short time, so that whether the crankshaft forging meets the requirements or not can be judged, and the problem of low working efficiency caused by full-size measurement of the upper three coordinates is solved;

(2) The crankshaft forgings with different sizes are taken into consideration, so that the device has universality;

(3) The placement device is stable, the measurement range meets the requirements, and the measurement quality is improved;

(4) Because the environment requirement for placing the device is not high with three coordinates, the device can be placed on a production site, the carrying distance of the forge piece to be measured is shortened, the labor intensity of workers is reduced, and the manpower resource is saved.

Drawings

FIG. 1 is a top view of the present utility model when measuring a second weight;

FIG. 2 is a top view of the present utility model when measuring a first weight;

fig. 3 is a front view of the present utility model.

In the figure:

1. the indexing head, 2, a three-jaw chuck, 3, a product, 4, a conical positioning block, 5, a spring, 6, a center positioning plate, 7, a large nut, 8, a movable handle, 9, a bolt, 10, a cushion block, 11, a horizontal standard block, 12, a bracket, 13, a hand wheel, 14 and an indexing disc.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. The following description of at least one exemplary embodiment is merely exemplary in nature and is in no way intended to limit the utility model, its application, or uses. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments in accordance with the present application. As used herein, the singular is also intended to include the plural unless the context clearly indicates otherwise, and furthermore, it is to be understood that the terms "comprises" and/or "comprising" when used in this specification are taken to specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof.

The relative arrangement of the components and steps, numerical expressions and numerical values set forth in these embodiments do not limit the scope of the present utility model unless it is specifically stated otherwise. Meanwhile, it should be understood that the sizes of the respective parts shown in the drawings are not drawn in actual scale for convenience of description. Techniques, methods, and apparatus known to one of ordinary skill in the relevant art may not be discussed in detail, but should be considered part of the specification where appropriate. In all examples shown and discussed herein, any specific values should be construed as merely illustrative, and not a limitation. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further discussion thereof is necessary in subsequent figures.

In the description of the present utility model, it should be understood that the azimuth or positional relationships indicated by the azimuth terms such as "front, rear, upper, lower, left, right", "lateral, vertical, horizontal", and "top, bottom", etc., are generally based on the azimuth or positional relationships shown in the drawings, merely to facilitate description of the present utility model and simplify the description, and these azimuth terms do not indicate and imply that the apparatus or elements referred to must have a specific azimuth or be constructed and operated in a specific azimuth, and thus should not be construed as limiting the scope of protection of the present utility model; the orientation word "inner and outer" refers to inner and outer relative to the contour of the respective component itself.

Spatially relative terms, such as "above … …," "above … …," "upper surface at … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial location relative to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "above" or "over" other devices or structures would then be oriented "below" or "beneath" the other devices or structures. Thus, the exemplary term "above … …" may include both orientations of "above … …" and "below … …". The device may also be positioned in other different ways (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

In addition, the terms "first", "second", etc. are used to define the components, and are only for convenience of distinguishing the corresponding components, and the terms have no special meaning unless otherwise stated, and therefore should not be construed as limiting the scope of the present utility model.

As shown in fig. 1 to 3, an angle detection device for a crankshaft balance block of an engine comprises a bracket 12, a forging clamping device and a measuring device, wherein the forging clamping device and the measuring device are both arranged on the bracket 12, the forging clamping device comprises a three-jaw chuck 2, a conical positioning block 4, a spring 5 and a center positioning plate 6, and the measuring device comprises an index head 1 and a horizontal standard block 11; the dividing head 1 is arranged on the bracket 12 through a screw, and the three-jaw chuck 2 is arranged on the dividing head 1 and positioned at one side of the bracket 12; the center positioning plate 6 is arranged on the other side of the bracket 12, and the conical positioning block 4 passes through the spring 5 and is arranged on one side of the center positioning plate 6; the three-jaw chuck 2 and the conical positioning block 4 are matched to clamp the product 3, so that the product 3 is stably placed.

In one embodiment, the index head 1 comprises an index plate 14 and a hand wheel 13, and the index plate 14 and the three-jaw chuck 2 are rotated by rotating the hand wheel 13.

In one embodiment, the horizontal standard block 11 is placed on the carriage 12 and is arbitrarily movable.

In one embodiment, the region of the bracket 12 for placing the centering plate 6 is provided with two rows of threaded holes, and the centering plate 6 is mounted in the threaded holes of the bracket 12 by screws, so that the position of the centering plate 6 can be conveniently adjusted to adapt to products 3 with different lengths.

In one embodiment, the right side of the center locating plate 6 is provided with a large nut 7 and a movable handle 8, the conical locating block 4 penetrates through the center locating plate 6 to be connected with the large nut 7, the movable handle 8 is fixed on the right side of the center locating plate 6 through a bolt 9 and a cushion block 10, one end of the handle 8 abuts against the large nut 7, and the movable handle 8 acts like a crowbar.

Working principle: as shown in fig. 1 to 3, the position of the central positioning plate 6 is first preset to enable the distance between the three-jaw chuck 2 and the conical positioning block 4 to be approximately consistent with the product length, then one side of the product 3 is placed into the three-jaw chuck 2, the other side of the product 3 is propped against the conical positioning block 4, and then the product 3 is clamped by the three-jaw chuck 2, so that the product 3 is stably placed in the detection device; then, the hand wheel 13 is rotated to enable the second balance block of the product 3 to be attached to the horizontal plane of the horizontal standard block 11, as shown in fig. 1, and the scale A of the current index plate 14 is recorded; then the horizontal standard block 11 is removed, the hand wheel 13 is rotated, the first balance block of the product 3 is attached to the horizontal plane of the horizontal standard block 11, as shown in fig. 2, and the scale B of the current index plate 14 is recorded; subtracting the scale A from the scale B to obtain a difference value which is the angle size of the crankshaft balance block of the engine; finally, the horizontal standard block 11 is removed, the bolt 9 is loosened, the movable handle 8 is rotated, the large nut 7 is pushed to the right side through the movable handle 8, the spring 5 is pressed, the conical positioning block 4 is pulled, the product 3 is separated from the conical positioning block 4, the three-jaw chuck 2 is loosened, the product 3 is taken out of the detection device, and the crankshaft balance block angle detection work is completed.

The above is a preferred embodiment of the present utility model, and a person skilled in the art can also make alterations and modifications to the above embodiment, therefore, the present utility model is not limited to the above specific embodiment, and any obvious improvements, substitutions or modifications made by the person skilled in the art on the basis of the present utility model are all within the scope of the present utility model.

Claims

1. An engine crankshaft balance weight angle detection device which is characterized in that: the device comprises a bracket (12), a forging clamping device and a measuring device, wherein the forging clamping device and the measuring device are both arranged on the bracket (12), the forging clamping device comprises a three-jaw chuck (2), a conical positioning block (4), a spring (5) and a central positioning plate (6), and the measuring device comprises an index head (1) and a horizontal standard block (11); the three-jaw chuck (2) is arranged on the dividing head (1) and is positioned on one side of the bracket (12); the center positioning plate (6) is arranged on the other side of the bracket (12), and the conical positioning block (4) penetrates through the spring (5) and is arranged on one side of the center positioning plate (6); the three-jaw chuck (2) and the conical positioning block (4) are matched to clamp the product (3).

2. The engine crankshaft counterweight angle detection device recited in claim 1, wherein: the dividing head (1) comprises an dividing disc (14) and a hand wheel (13), and the dividing disc (14) and the three-jaw chuck (2) are driven to rotate by rotating the hand wheel (13).

3. The engine crankshaft counterweight angle detection device recited in claim 1, wherein: the horizontal standard block (11) is placed on the bracket (12) and can move arbitrarily.

4. The engine crankshaft counterweight angle detection device recited in claim 1, wherein: the bracket (12) is used for placing two rows of threaded holes in the area of the central positioning plate (6), and the central positioning plate (6) is installed in the threaded holes of the bracket (12) through screws.

5. The engine crankshaft counterweight angle detection device recited in claim 1, wherein: the right side of the center locating plate (6) is provided with a large nut (7) and a movable handle (8), the conical locating block (4) penetrates through the center locating plate (6) to be connected with the large nut (7), and the movable handle (8) is fixed on the right side of the center locating plate (6) through a bolt (9) and a cushion block (10) and one end of the movable handle (8) abuts against the large nut (7).