CN211953928U

CN211953928U - Detection tool of bent axle on atomizer compressor

Info

Publication number: CN211953928U
Application number: CN202020700822.1U
Authority: CN
Inventors: 高屹; 杨秀广
Original assignee: Dalian Chengyue Precision Parts Industry Co ltd
Current assignee: Dalian Chengyue Precision Parts Industry Co ltd
Priority date: 2020-04-30
Filing date: 2020-04-30
Publication date: 2020-11-17
Anticipated expiration: 2030-04-30

Abstract

A detection jig for an upper crankshaft of an atomizer compressor comprises a bottom plate and is characterized in that a circular jig base is arranged at the center of the upper plane of the bottom plate, a plurality of semicircular grooves with outward openings are formed in the edge of the upper surface of the jig base, a cylinder III is arranged on the bottom surface of each groove close to the corresponding opening, and a vertical surface perpendicular to the upper surface and the lower surface of the jig base is arranged on the side surface of the jig base where the opening of each groove is formed; a thread hole position measuring assembly is arranged on the bottom plate corresponding to the vertical surface, and a thread hole measuring rod which is vertical to the vertical surface and can slide back and forth is arranged on the thread hole position measuring assembly; the center of the jig base is provided with a center rod, the crankshaft axial core distance measuring block is movably arranged on the center rod in a penetrating mode through a first round hole formed in the left end of the crankshaft axial core distance measuring block, and two second round holes penetrating through the crankshaft axial core distance measuring block from top to bottom are formed in the right side of the crankshaft axial core distance measuring block. The utility model has the advantages that: the rapid detection of the crankshaft on the atomizer compressor is realized, and the detection efficiency is high.

Description

Detection tool of bent axle on atomizer compressor

Technical Field

The utility model belongs to the measuring tool, in particular to bent axle's detection tool on atomizer compressor.

Background

The crankshaft is used as a key part of a compressor on the atomizer, bears the transmission function, and after the crankshaft is machined, the position degree between the crankshaft main body and the crankshaft shaft part, between the crankshaft main body and the mounting hole, and between the mounting hole and a screw hole for fixing needs to be detected. The position degree influences the magnitude of eccentric moment generated when the crankshaft rotates at high speed, and further influences the magnitude of vibration and the magnitude of output torque of the assembled product. The product with large vibration affects the service life of the whole machine; unqualified product of moment of torsion influences compressor output, and then influences the atomization effect. The position measurement method generally uses three coordinates to measure a product, and the measurement needs four times to complete the measurement of all the position dimensions, which requires a lot of time and special personnel. If the product is abnormal, more time and labor are needed for the whole selection. Meanwhile, the measurement needs a special person and a long time, the control in the process is difficult, and the defect cannot be found in time. Therefore, a detection tool which can quickly detect each position degree instead of three coordinates and is easy to operate is required.

Disclosure of Invention

The invention aims to overcome the defects and provides the detection jig for the crankshaft on the atomizer compressor, which can sequentially detect the relevant sizes of the crankshaft by only placing the crankshaft in a groove of a pre-processed jig base and by using a crankshaft shaft part center distance measuring block and a screw hole position measuring assembly arranged on the jig.

The utility model provides a technical problem, the technical scheme who adopts is: a detection jig for an upper crankshaft of an atomizer compressor comprises a bottom plate and is characterized in that a circular jig base is arranged at the center of the upper plane of the bottom plate, a plurality of semicircular grooves with outward openings are formed in the edge of the upper surface of the jig base, a cylinder III is arranged on the bottom surface of each groove close to the corresponding opening, and a vertical surface perpendicular to the upper surface and the lower surface of the jig base is arranged on the side surface of the jig base at the opening of each groove; a thread hole position measuring assembly is arranged on the bottom plate corresponding to the vertical surface, and a thread hole measuring rod which is vertical to the vertical surface and can slide back and forth is arranged on the thread hole position measuring assembly; the center of the jig base is provided with a center rod, the crankshaft axial core distance measuring block is movably arranged on the center rod in a penetrating mode through a first round hole formed in the left end of the crankshaft axial core distance measuring block, and two second round holes penetrating through the crankshaft axial core distance measuring block from top to bottom are formed in the right side of the crankshaft axial core distance measuring block.

The screw hole position measuring assembly comprises a second support plate, wherein two counter bores are respectively arranged on two sides of the upper surface of the second support plate, a screw penetrates through the counter bores to fix the second support plate on the bottom plate, and a stepped hole with a large hole in the outer side is formed in the side surface of the second support plate; a first supporting plate is arranged on the bottom plate on the rear side of the second supporting plate, a first counter bore is formed in each of two sides of the upper surface of the first supporting plate, a screw penetrates through the first counter bore to fix the first supporting plate on the bottom plate, a stepped groove penetrating through the front and the rear is formed in the middle of the upper surface of the first supporting plate, and the large groove is located on the outer side of the small groove; the middle part of the screw hole measuring rod is provided with a first cylinder, the rear part of the screw hole measuring rod is provided with a second cylinder, and the rod body between the first cylinder and the second cylinder is arranged in the stepped groove, and the front end of the screw hole measuring rod is arranged in the stepped hole in a penetrating mode.

The utility model has the advantages that: the tool base is provided with a semicircular groove and a first cylinder at the bottom of the groove, so that whether the overall dimension of the crankshaft main body, the size of the crankshaft mounting hole and the dimension from the mounting hole to the center of the crankshaft main body are qualified or not can be detected; whether the dimension from the axis of the crankshaft shaft part to the center of the crankshaft is qualified or not can be detected through a round hole II arranged on the crankshaft shaft part distance measuring block; whether the position degree of the screw hole is qualified or not can be judged through whether the screw hole measuring rod can be inserted into the screw hole or not; the detection of all key sizes of the crankshaft can be realized on one set of detection tool, a large amount of detection time is saved compared with the detection by using a three-coordinate measuring instrument, and the detection efficiency is improved.

Drawings

The following description is made in detail by way of example with reference to the accompanying drawings.

FIG. 1 is a three-dimensional view of a crankshaft inspection fixture on an atomizer compressor;

FIG. 2 is a three-dimensional view of the first support plate of FIG. 1;

FIG. 3 is a three-dimensional view of the second support plate of FIG. 1;

FIG. 4 is a three-dimensional view of the wire orifice measuring stick of FIG. 1;

FIG. 5 is a three-dimensional view of the crankshaft axis standoff gauge block of FIG. 1;

FIG. 6 is a three-dimensional view of a crankshaft;

fig. 7 is a cross-sectional view taken along line E-E in fig. 6.

In the figure: 1-a bottom plate; 2-a wire hole position measuring assembly; 2-1-silk hole measuring rod; 2-1-1-cylinder one; 2-1-2-column two; 2-2-support plate one; 2-2-1-counter bore one; 2-2-2-step groove; 2-3-support plate two; 2-3-1-a counter bore II; 2-3-2-stepped holes; 3-a jig base; 3-1-groove; 3-2-column three; 3-3-facade; 4-a central rod; 5-crankshaft axial center distance gauge block; 5-1-round hole I; 5-2-round hole II; 6-crankshaft; 6-1-crankshaft shaft portion; 6-2-crankshaft body; 6-3-mounting holes; 6-4-filament hole.

Detailed Description

In the embodiment, referring to the attached drawings, the detection jig for the crankshaft on the atomizer compressor comprises a bottom plate 1 and is characterized in that a circular jig base 3 is arranged at the center of the upper plane of the bottom plate 1, three semicircular grooves 3-1 with outward openings are formed in the edge of the upper surface of the jig base 3, a cylinder 3-2 is arranged in the middle of the opening and on the bottom surface of the groove 3-1 close to the opening, and a vertical surface 3-3 perpendicular to the upper surface and the lower surface of the jig base 3 is arranged on the side surface of the jig base 3 at the opening of the groove 3-1; a thread hole position measuring component 2 is arranged on the bottom plate 1 corresponding to the vertical surface 3-3, a thread hole measuring rod 2-1 which is vertical to the vertical surface 3-3 and can slide back and forth is arranged on the thread hole position measuring component 2, and the front end of the thread hole measuring rod 2-1 is aligned with the cylinder III 3-2; a central rod 4 is arranged at the center of the jig base 3, a crankshaft axial core distance measuring block 5 is movably arranged on the central rod 4 in a penetrating mode through a round hole I5-1 formed in the left end (shown in figure 5) of the crankshaft axial core distance measuring block, and two round holes II 5-2 penetrating through the crankshaft axial core distance measuring block 5 from top to bottom are formed in the right side of the crankshaft axial core distance measuring block 5.

The screw hole position measuring assembly 2 comprises a second supporting plate 2-3, wherein two counter bores 2-3-1 are respectively arranged on two sides of the upper surface of the second supporting plate 2-3, the second supporting plate 2-3 is fixed on the bottom plate 1 by penetrating through the counter bores 2-3-1 through screws, and a stepped hole 2-3-2 with a large hole on the outer side is formed in the side surface of the second supporting plate 2-3; a first supporting plate 2-2 is arranged on the bottom plate 1 at the rear side of the second supporting plate 2-3, two counter bores 2-2-1 are respectively arranged at two sides of the upper surface of the first supporting plate 2-2, the first supporting plate 2-2 is fixed on the bottom plate 1 by penetrating through the counter bores 2-2-1 by screws, a stepped groove 2-2-2 penetrating through the front and the rear is arranged in the middle of the upper surface of the first supporting plate 2-2, and the large groove is positioned at the outer side of the small groove; the middle part of the wire hole measuring rod 2-1 is provided with a cylinder I2-1-1, the rear part is provided with a cylinder II 2-1-2, the rod body between the cylinder I2-1-1 and the cylinder II 2-1-2 is arranged in the stepped groove 2-2-2, and the front end of the wire hole measuring rod 2-1 is arranged in the stepped hole 2-3-2 in a penetrating way.

The working principle operation method of the utility model is as follows:

it can be seen from fig. 1 that the distance from the center of the semicircular groove 3-1 on the jig base 3 to the center of the cylinder three 3-2 is L3, and after the mounting hole 6-3 provided on the crankshaft main body 6-2 of the crankshaft 6 (see fig. 7) is sleeved on the cylinder three 3-2, if the crankshaft main body 6-2 can be placed in the groove 3-1, the external dimension of the crankshaft main body and the distance L3 'from the mounting hole 6-3 to the center of the crankshaft main body are acceptable, that is, L3' is equal to L3.

It can be seen from fig. 1 that the distance from the center of the semicircular groove 3-1 on the jig base 3 to the center of the center rod is L2, the distance from the center of the crankshaft shaft to the center of the center rod is L1, and when the center of the crankshaft shaft moves downward from the measuring block 5, if the circular hole two 5-2 can be sleeved on the crankshaft shaft 6-1 (see fig. 6) arranged at the upper part of the crankshaft 6, the size from the center of the crankshaft shaft 6-1 to the center of the crankshaft main body 6-2 is acceptable, that is, L (see fig. 7) is L1-L2.

It can be seen from fig. 1 that the height from the bottom surface of the semicircular groove 3-1 provided on the jig base 3 to the plane of the bottom plate 1 is H1, the height from the center of the wire hole measuring rod 2-1 in the wire hole position measuring assembly 2 provided on the bottom plate 1 to the plane of the bottom plate 1 is H2, and when the wire hole measuring rod 2-1 is pushed by hand to move towards the crankshaft 6 provided in the groove 3-1, if the front end of the wire hole measuring rod 2-1 can be inserted into the wire hole 6-4 provided on the side surface of the crankshaft main body 6-2, the position of the wire hole 6-4 and the mounting hole 6-3 and the height H (see fig. 7) from the center of the wire hole 6-4 to the bottom surface of the crankshaft main body 6-2 are qualified, that is H2-H1.

Claims

1. A detection jig for an upper crankshaft of an atomizer compressor comprises a base plate (1) and is characterized in that a circular jig base (3) is arranged at the center of the upper plane of the base plate (1), a plurality of semicircular grooves (3-1) with outward openings are formed in the edge of the upper surface of the jig base (3), a cylindrical third part (3-2) is arranged in the middle of an opening and on the bottom surface of the groove (3-1) close to the opening, and a vertical surface (3-3) perpendicular to the upper surface and the lower surface of the jig base (3) is arranged on the side surface of the jig base (3) at the opening of the groove (3-1); a thread hole position measuring component (2) is arranged on the bottom plate (1) corresponding to the vertical face (3-3), a thread hole measuring rod (2-1) which is perpendicular to the vertical face (3-3) and can slide back and forth is arranged on the thread hole position measuring component (2), and the front end of the thread hole measuring rod (2-1) is aligned with the cylinder III (3-2); a central rod (4) is installed in the center of the jig base (3), a crankshaft axial core distance measuring block (5) is movably arranged on the central rod (4) in a penetrating mode through a first round hole (5-1) formed in the left end of the crankshaft axial core distance measuring block, and a second round hole (5-2) penetrating through the crankshaft axial core distance measuring block from top to bottom is formed in the right side of the crankshaft axial core distance measuring block (5).

2. The detection jig for the crankshaft on the atomizer compressor is characterized in that the screw hole position measuring assembly (2) comprises a second support plate (2-3), two counter bores (2-3-1) are respectively arranged on two sides of the upper surface of the second support plate (2-3), the second support plate (2-3) is fixed on the bottom plate (1) by penetrating screws through the counter bores (2-3-1), and a stepped hole (2-3-2) with a large hole on the outer side is formed in the side surface of the second support plate (2-3); a first supporting plate (2-2) is arranged on the bottom plate (1) at the rear side of the second supporting plate (2-3), two counter bores (2-2-1) are respectively arranged at two sides of the upper surface of the first supporting plate (2-2), the first supporting plate (2-2) is fixed on the bottom plate (1) by penetrating through the counter bores (2-2-1) by screws, a stepped groove (2-2-2) penetrating through the front and the rear is arranged in the middle of the upper surface of the first supporting plate (2-2), and the large groove is positioned at the outer side of the small groove; the middle part of the wire hole measuring rod (2-1) is provided with a cylinder I (2-1-1), the rear part is provided with a cylinder II (2-1-2), a rod body between the cylinder I (2-1-1) and the cylinder II (2-1-2) is arranged in the stepped groove (2-2-2), and the front end of the wire hole measuring rod (2-1) is arranged in the stepped hole (2-3-2) in a penetrating way.