Inclination template for measuring wedge type groove

Abstract

The utility model discloses an inclination template for measuring a wedge type groove, and belongs to the technical field of machining of artillery parts. The sample plate comprises a sample plate body, a through line, a stop line and angle iron, the sample plate body is a quadrilateral thin plate, the upper transverse surface of the sample plate body is horizontally arranged, the upper transverse surface is perpendicular to the left and right vertical surfaces, and the lower transverse surface is obliquely arranged; a through line is arranged on the large end of the template body, and a stop line is arranged outside the through line; the two side faces of the template body are respectively provided with an angle iron, one right-angle side of each angle iron is fixed to the end faces of the two sides of the lower transverse face of the template body, and the other right-angle side of each angle iron and the lower transverse face keep consistent in inclination and are located on the same plane. The device can simultaneously detect whether the verticality, the slope degree and the large end size of the slope of a wedge type groove structure in a certain artillery connecting piece meet the requirements of drawings, improves the detection precision and the detection efficiency, and meets the requirements of mass production of the part.

Description

TECHNICAL FIELD

[0001] The utility model relates to a special measuring device of the inclined wedge type groove slope in a complex connecting piece of a certain artillery product, and particularly relates to a gradient template for measuring the inclined wedge type groove, and belongs to the technical field of artillery part machining. BACKGROUND

[0002] When the artillery is fired, a structure part capable of bearing gas pressure and having a locking and unlocking effect is provided, and a part of the locking structure is composed of a wedge structure, and the structure part needs to be combined with a certain connecting piece to perform reciprocating motion, so that the connecting piece has a wedge structure inside.

[0003] The change of the slope of the wedge structure has a great challenge to large mechanical production and inspection accuracy, and a more common way to inspect the wedge structure is to use a protractor, but the inspection of the wedge structure with high precision cannot be measured by the protractor.

[0004] A certain artillery product is a batch product, and the connecting piece has an inclined wedge type through groove structure in the middle, as shown in the drawings, the slope of one side of the groove is 0.0122, and the other side is perpendicular; the large end size tolerance of the slope is only 0.08, and the requirement for precision is high, if the vernier caliper is used to measure the size of the large end of the slope, there will be problems such as manual error, thereby increasing the difficulty of inspection; as shown in the drawings, in order to ensure the measurement accuracy of the size of 240mm, it is necessary to measure once every fixed interval, the detection efficiency is low, and the detection requirement of the batch production product cannot be met; therefore, the design and production of a special measuring tool to achieve accurate and efficient measurement is the key to measuring the size of the inclined wedge type groove structure in the connecting piece of the certain artillery product. Figure 5 Figure 4 The utility model discloses a gradient template for measuring the inclined wedge type groove, and belongs to the technical field of artillery part machining. UTILITY MODEL CONTENTS

[0005] In view of the defects of the prior art, the utility model provides a gradient template for measuring the inclined wedge type groove, solves the problems of low measurement accuracy and low detection efficiency, and is more convenient, accurate and efficient for measuring the wedge structure groove in the connecting piece of a certain batch type artillery.

[0006] ​The utility model discloses a technical scheme that solves its technical problem is adopted: a kind of inclination sample plate of measuring inclined wedge type groove, including sample plate body, weight reduction groove, wire, stop line, handheld groove, angle iron, rivet and cylindrical pin;The sample plate body is quadrilateral thin plate, wherein, upper horizontal surface is horizontally arranged, upper horizontal surface and left and right two vertical surfaces are vertically arranged, lower horizontal surface is inclined arrangement, the inclination of lower horizontal surface is 0.0122, the widest position size of sample plate body, that is, big end size is 184.73, sample plate body thickness is 8mm, wire is set on the big end size of sample plate body, wire is set stop line outside, the distance size between wire and stop line is 6.5mm;One piece of angle iron is installed on the side surface of sample plate body, and one piece of angle iron is fixed on the two side end surfaces of lower horizontal surface of sample plate body by rivet and cylindrical pin, and the other straight angle edge of two pieces of angle iron is kept with the same inclination and on the same plane with lower horizontal surface;Angle iron is " T " shape on the longitudinal section after installation on sample plate body;The outer end surface of two pieces of angle iron keeps the same height, and is perpendicular to reference B.

[0007] Preferably, handheld groove is arranged on the vertical surface of one end of sample plate body, which facilitates the operator to hold and place the sample plate body.

[0008] Preferably, three weight reduction grooves are arranged in the plate body of sample plate body, so as to reduce the weight of sample plate body and facilitate the operator to hold and place.

[0009] The utility model discloses the beneficial effects of the utility model are as follows: a kind of inclination sample plate of measuring inclined wedge type groove, the perpendicularity of the inclined wedge type groove structure in certain artillery connecting piece, the inclination and the big end size of inclined surface whether meeting drawing requirement can be detected simultaneously, improve the detection precision and the inspection efficiency, satisfy the demand of mass production of this part. BRIEF DESCRIPTION OF DRAWINGS

[0010] Figure 1 It is the front view structural schematic diagram of the embodiment of the utility model.

[0011] Figure 2 It is the top view structural schematic diagram of the embodiment of the utility model.

[0012] Figure 3 It is the A-A cross section structural schematic diagram of the embodiment of the utility model.

[0013] Figure 4 It is the front view structural schematic diagram of workpiece.

[0014] Figure 5 It is Figure 4 C-C cross section structural schematic diagram of.

[0015] Figure 6 It is the working state structural schematic diagram of the embodiment of the utility model.

[0016] The figure mark: 1, sample body, 2, lightening groove, 3, through line, 4, stop line, 5, hand-held groove, 6, angle iron, 7, rivet, 8, cylindrical pin, 9, workpiece, 10, left end face of workpiece. DETAILED DESCRIPTION

[0017] The utility model is further explained below in combination with the drawings and specific embodiments.

[0018] As Figures 1 to 3 shown, the embodiment of the utility model provides a kind of inclination sample of measuring inclined wedge type groove, including sample body 1, lightening groove 2, through line 3, stop line 4, hand-held groove 5, angle iron 6, rivet 7 and cylindrical pin 8;The sample body 1 is quadrilateral thin plate, wherein, upper horizontal surface is horizontally arranged, upper horizontal surface and left and right two vertical surfaces are vertically arranged, lower horizontal surface is inclinedly arranged, the inclination of lower horizontal surface is 0.0122, the widest position size of sample body 1, that is, large end size is 184.73mm, sample body 1 thickness is 8mm, through line 3 is set on the large end size of sample body 1, stop line 4 is set outside through line 3, the distance size between through line 3 and stop line 4 is 6.5mm, which is calculated by the inclination of wedge-shaped groove inclined surface on workpiece and the tolerance 0.08mm of large end size, calculation method: 0.08mm ÷ (0.0122)=6.5mm;One piece of angle iron 6 is arranged on the two side surfaces of sample body 1, and one straight angle edge of the two angle irons 6 is fixed on the two side end surfaces of lower horizontal surface of sample body 1 by rivet 7 and cylindrical pin 8, and the other straight angle edge of the two angle irons 6 is kept consistent with the inclination of lower horizontal surface and is in the same plane;Two angle irons 6 present "T" shape on the longitudinal section after being installed on sample body 1.

[0019] Further, hand-held groove 5 is arranged in the plate body at one end of sample body 1, to facilitate operator to take and place sample body 1.

[0020] Further, three lightening grooves 2 are arranged in the plate body of sample body 1, to reduce the weight of sample body 1 and facilitate operator to take and place.

[0021] The measurement method is: as Figure 6 shown, operator takes up sample body 1 by hand-held groove 5, inserts sample body 1 from left end to right end according to the inclined surface of workpiece, until workpiece base surface is flush with through line 3, then checks the fit between the inclined edge of sample body 1 and wedge-shaped groove inclined surface of workpiece by standard plug gauge, to ensure that the tolerance is within 0.08, then see workpiece left end face 10, if it is located between through line 3 and stop line 4 of sample body 1, it is the large end size 184.730 +0.08 mm of wedge-shaped groove inclined surface of workpiece, and processing is qualified.

Claims

1. A gage for measuring the slope of a wedge-type slot, characterized by: It comprises a template body (1), a through line (3), a stop line (4) and an angle iron (6). The template body (1) is a quadrilateral thin plate, the upper horizontal surface of the template body (1) is horizontally arranged, the upper horizontal surface is vertically arranged with the left and right vertical surfaces, and the lower horizontal surface is obliquely arranged. The through line (3) is arranged on the widest position of the template body (1), that is, the large end size, and the stop line (4) is arranged outside the through line (3). The template body (1) is provided with an angle iron (6) on each side surface, one straight angle edge of the two angle irons (6) is fixed on the two side end surfaces of the lower horizontal surface of the template body (1), and the other straight angle edge of the two angle irons (6) is consistent with the slope of the lower horizontal surface and is on the same plane; the distance between the through line (3) and the stop line (4) is 6.5mm, which is calculated by the slope of the wedge-shaped groove inclined surface on the workpiece and the tolerance of the large end size of 0.08mm, and the calculation method is: 0.08mm ÷ (0.0122) = 6.5mm; the angle iron (6) is fixed on the template body (1) by rivets (7) and cylindrical pins (8), the outer end surfaces of the two angle irons are kept at the same height, and are perpendicular to the reference B, and the angle iron presents a "T" shape in the longitudinal section after being installed on the template body.

2. A wedge-type groove pitch gauging template according to claim 1, wherein: The widest position of the template body (1), that is, the large end size, is 184.73mm, and the slope of the lower horizontal surface is 0.0122.

3. A wedge-type groove pitch gauging template according to claim 1, wherein: The angle iron (6) is fixed on the template body (1) by rivets (7) and cylindrical pins (8).

4. A gage for measuring the slope of a wedge-type slot as defined in claim 1 wherein: A hand holding groove (5) is arranged in one end plate body of the template body (1).

5. A wedge-type groove pitch gauging template according to claim 1, wherein: Three weight reduction grooves (2) are arranged in the plate body of the template body (1).

Images