Checking fixture for quickly checking scribed line position

Abstract

The utility model discloses a checking fixture for quickly checking the position of a scribed line, and relates to the technical field of flywheel detection. The flywheel testing fixture comprises a flywheel body and a testing fixture body, the peripheral side surface of the flywheel body is provided with a gear ring body and an inner concave part, the inner concave part is provided with scale marks, the flywheel body is provided with a plurality of mounting ports, the testing fixture body comprises a positioning disc and a group of extension arms, the positioning disc is provided with a group of embedding ports, and the inner end parts of the two embedding ports face the axis of the positioning disc. The outer end of the embedding opening extends to the outer side of the positioning disc, one end of the extension arm is fixed in the embedding opening through a screw, and the end, located in the embedding opening, of the extension arm is provided with an upper pin hole. According to the utility model, through designing the novel detection tool, accurate positioning between the detection tool and the flywheel is facilitated, a detection result can be rapidly obtained through the detection rod, and the detection tool has the characteristics of simple structure and convenient assembly technology, is accurate in detection and high in efficiency, and effectively improves the product quality.

Description

Technical Field

[0001] The utility model belongs to the technical field of flywheel detection, in particular to a detection tool for quickly detecting the position of a scale line. Background Art

[0002] The scale lines need to be processed on the outer circle of the flywheel assembly. The scale lines play a vital role in the maintenance and debugging of the engine. They can help technicians accurately position and adjust the engine to ensure the normal operation of the engine. Therefore, there are extremely high angle and direction requirements, so the scale line position needs to be detected.

[0003] However, the current means of detecting the scale line position is only through visual inspection, which results in a lack of accuracy in the scale line position and a large error. Therefore, it is urgent and of great significance to design an inspection device that can improve the inspection accuracy of the flywheel scale line position and reduce labor costs.

[0004] In summary, how to provide a gauge that improves the accuracy of detecting the position of scale lines and has high clamping efficiency is a problem that currently needs to be solved urgently by those skilled in the art. Utility Model Content

[0005] The purpose of the utility model is to provide a checking fixture for quickly checking the position of the engraved lines. By designing a new checking fixture, it is convenient to accurately position the flywheel, and the detection result can be quickly obtained through the detection rod. The checking fixture also has the characteristics of simple structure and convenient assembly process, and the inspection is accurate and efficient, which effectively improves the quality of the product.

[0006] In order to solve the above technical problems, the utility model is realized by the following technical solutions:

[0007] The utility model is a checker for quickly checking the position of the scale line, comprising a flywheel body and a checker body, the flywheel body is provided with a gear ring body and an inner concave part on the peripheral side, the inner concave part is provided with scale lines, and the flywheel body is provided with a plurality of installation openings;

[0008] The gauge body includes a positioning plate and a set of extension arms;

[0009] The positioning plate is provided with a group of embedding openings, the inner ends of the two embedding openings are both oriented toward the axis of the positioning plate, and the outer ends of the embedding openings extend to the outside of the positioning plate;

[0010] One end of the extension arm is fixed in the embedding opening by a screw, an upper pin hole is provided at one end of the extension arm located in the embedding opening, two lower pin holes concentric with the upper pin holes are provided on the positioning plate, a pin rod is interference-connected in the upper pin hole and the lower pin hole, the bottom end of the pin rod exceeds the bottom of the positioning plate and forms a pin head, and the pin heads of the two pin rods respectively penetrate into the two mounting openings;

[0011] A vertical edge is fixed to one end of the extension arm away from the positioning plate, a detection rod is threadedly connected to the vertical edge, and the detection rod is opposite to the inner concave portion.

[0012] Furthermore, a screw sleeve is fixed on the vertical edge, and the detection rod passes through the screw sleeve and is threadedly connected to the screw sleeve.

[0013] Furthermore, a cone head is provided at one end of the detection rod close to the inner recess, and a turning handle is provided at the other end of the detection rod.

[0014] Furthermore, a group of handles are fixed on the top of the positioning plate, the handles are T-shaped handles, and the embedding opening is misaligned with the two handles.

[0015] Furthermore, a T-shaped opening is provided at one end of the extension arm close to the inner side of the positioning plate, and the screw is arranged in the T-shaped opening.

[0016] Furthermore, the large end of the T-shaped opening faces upward, and the T-shaped opening is misaligned with the pin rod.

[0017] The utility model has the following beneficial effects:

[0018] 1. The utility model designs a new type of inspection fixture, which is convenient for accurate positioning with the flywheel. At the same time, the inspection result can be quickly obtained through the detection rod. The inspection fixture also has the characteristics of simple structure and convenient assembly process, and the inspection is accurate and efficient, which effectively improves the quality of the product.

[0019] 2. The utility model can adjust the position between the cone head and the scale line by designing a threaded detection rod, so that the cone head can be close to the scale, which is conducive to judging the accuracy of the scale. At the same time, the detection rod can be quickly disassembled, which is convenient for installation, disassembly, assembly and replacement of the detection rod, and can indirectly improve the service life.

[0020] 3. The utility model facilitates the movement and lifting of the inspection tool through the design of the handle, is beneficial to the operation of the staff, and improves the work efficiency and inspection efficiency.

[0021] Of course, any product implementing the present invention does not necessarily need to achieve all of the advantages described above at the same time. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] In order to more clearly illustrate the technical solutions of the embodiments of the utility model, the drawings required for describing the embodiments are briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0023] Figure 1This is a schematic diagram of the structure of a check fixture for quickly checking the position of a scale line according to the utility model;

[0024] Figure 2 for Figure 1 A partial enlarged view of the middle A;

[0025] Figure 3 for Figure 1 A partial enlarged view of point B in the middle;

[0026] In the accompanying drawings, the components represented by the reference numerals are listed as follows:

[0027] 1-flywheel body, 2-positioning plate, 3-extension arm, 4-handle, 101-gear ring body, 102-inner recess, 201-embedding port, 301-screw, 302-pin rod, 303-vertical edge, 304-detection rod, 305-screw sleeve, 306-cone head, 307-turn handle. DETAILED DESCRIPTION

[0028] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0029] See also Figure 1-3 As shown, the utility model is a check fixture for quickly checking the position of the scale line, comprising a flywheel body 1 and a check fixture body, a gear ring body 101 and an inner concave portion 102 are provided on the circumferential side of the flywheel body 1, scale lines are provided on the inner concave portion 102, and a plurality of mounting openings are provided on the flywheel body 1;

[0030] The inspection fixture body includes a positioning plate 2 and a set of extension arms 3;

[0031] A set of embedding openings 201 are provided on the positioning plate 2, the inner ends of the two embedding openings 201 are both oriented toward the axis of the positioning plate 2, and the outer ends of the embedding openings 201 extend to the outer side of the positioning plate 2;

[0032] One end of the extension arm 3 is fixed in the embedding opening 201 by a screw 301. An upper pin hole is provided at one end of the extension arm 3 located in the embedding opening 201. Two lower pin holes concentric with the upper pin holes are provided on the positioning plate 2. A pin rod 302 is interference-connected in the upper pin hole and the lower pin hole. The bottom end of the pin rod 302 exceeds the bottom of the positioning plate 2 and forms a pin head. The pin heads of the two pin rods 302 respectively penetrate the two installation openings.

[0033] A vertical edge 303 is fixed to one end of the extension arm 3 away from the positioning plate 2 , and a detection rod 304 is threadedly connected to the vertical edge 303 . The detection rod 304 is located opposite to the inner recess 102 .

[0034] Among them Figure 1 and Figure 3 As shown, a screw sleeve 305 is fixed on the vertical edge 303 , and the detection rod 304 passes through the screw sleeve 305 and is threadedly connected with the screw sleeve 305 .

[0035] Among them Figure 1 and Figure 3 As shown, a cone head 306 is provided at one end of the detection rod 304 close to the inner recess 102 , and a turning handle 307 is provided at the other end of the detection rod 304 .

[0036] Among them Figure 1 As shown, a group of handles 4 are fixed on the top of the positioning plate 2 , the handles 4 are T-shaped handles, and the embedding opening 201 is misaligned with the two handles 4 .

[0037] Among them Figure 1-2 As shown, a T-shaped opening is provided at one end of the extension arm 3 close to the positioning plate 2, and a screw 301 is arranged in the T-shaped opening.

[0038] Among them Figure 1-2 As shown, the large end of the T-shaped opening faces upward, and the T-shaped opening is misaligned with the pin rod 302 .

[0039] The working principle of the utility model is as follows: by positioning the pin rod 302 and the mounting opening on the flywheel body 1, the positioning plate 2 can be covered on the top of the flywheel body 1. At this time, the detection rod 304 at the end of the extension arm 3 is located outside the inner recess 102. Turning the turning handle 307 through the threaded connection between the screw sleeve 305 and the detection rod 304 can prompt the cone head 306 to move in the direction of the scale line until it fits with the scale line. If the two detection rods 304 correspond to the scale lines, it means that the position of the scale lines meets the requirements of the drawing, otherwise it means that the position is deviated.

[0040] In the description of this specification, the description with reference to the terms "one embodiment", "example", "specific example", etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0041] The preferred embodiments of the utility model disclosed above are only used to help explain the utility model. The preferred embodiments do not describe all the details in detail, nor do they limit the utility model to the specific implementation methods described. Obviously, many modifications and changes can be made according to the content of this specification. This specification selects and specifically describes these embodiments in order to better explain the principles and practical applications of the utility model, so that technicians in the relevant technical field can well understand and use the utility model. The utility model is limited only by the claims and their full scope and equivalents.

Claims

1. A check fixture for quickly checking the position of a scale line, comprising a flywheel body (1) and a check fixture body, wherein the flywheel body (1) is provided with a gear ring body (101) and an inner concave portion (102) on the circumferential side surface, the inner concave portion (102) is provided with scale lines, and the flywheel body (1) is provided with a plurality of mounting openings, characterized in that: The gauge body comprises a positioning plate (2) and a set of extension arms (3); The positioning disk (2) is provided with a group of embedding openings (201), the inner ends of the two embedding openings (201) are both oriented toward the axis of the positioning disk (2), and the outer ends of the embedding openings (201) extend to the outside of the positioning disk (2); One end of the extension arm (3) is fixed in the embedding opening (201) by a screw (301); an upper pin hole is provided at one end of the extension arm (3) located in the embedding opening (201); two lower pin holes concentric with the upper pin holes are provided on the positioning plate (2); a pin rod (302) is interference-connected in the upper pin hole and the lower pin hole; the bottom end of the pin rod (302) exceeds the bottom of the positioning plate (2) and forms a pin head; the pin heads of the two pin rods (302) respectively penetrate the two installation openings; A vertical edge (303) is fixed to one end of the extension arm (3) away from the positioning plate (2), a detection rod (304) is threadedly connected to the vertical edge (303), and the detection rod (304) is located opposite to the inner recess (102).

2. A check fixture for quickly checking the position of a scale line according to claim 1, characterized in that: A screw sleeve (305) is fixed on the vertical edge (303), and the detection rod (304) passes through the screw sleeve (305) and is threadedly connected to the screw sleeve (305).

3. A check fixture for quickly checking the position of a scale line according to claim 1, characterized in that: A cone head (306) is provided at one end of the detection rod (304) close to the inner recess (102), and a turning handle (307) is provided at the other end of the detection rod (304).

4. A check fixture for quickly checking the position of a scale line according to claim 1, characterized in that: A group of handles (4) are fixed on the top of the positioning plate (2); the handles (4) are T-shaped handles, and the embedding opening (201) is misaligned with the two handles (4).

5. A check fixture for quickly checking the position of a scale line according to claim 1, characterized in that: A T-shaped opening is provided at one end of the extension arm (3) close to the inner side of the positioning plate (2), and the screw (301) is arranged in the T-shaped opening.

6. A check fixture for quickly checking the position of a scale line according to claim 5, characterized in that: The large end of the T-shaped opening faces upwards, and the T-shaped opening is misaligned with the pin rod (302).

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