CN203785591U - Combination scale of pulley outer ring groove - Google Patents

Abstract

The utility model discloses a combined gauge for an outer ring groove of a pulley, comprising a gauge frame and a gauge arranged on the gauge frame, wherein a fixed diameter ball is extended from one end of the gauge frame, the gauge is installed to the other end of the gauge frame, and a movable sleeve diameter ball is connected to a measuring rod of the gauge, the fixed diameter ball corresponds to the movable sleeve diameter ball, and a measuring distance is formed between the two, the measuring distance is slightly larger than the outer diameter of the outer ring groove or slightly smaller than the inner diameter of the outer ring groove, the gauge is a one-thousandth gauge, when measurement is required, the fixed diameter ball and the movable sleeve diameter ball are inserted into the inner diameter or outer diameter of the outer ring groove, at this time, the movable sleeve diameter ball will be squeezed to produce a small range of rotation, driving the measuring rod to move, and then the reading on the gauge is compared with the reading of the standard part, so as to detect whether the inner diameter or outer diameter of the outer ring groove of the pulley meets the accuracy requirement, the detection is very convenient and practical.

Description

Combination scale of pulley outer ring groove

technical field

The utility model relates to a combined scale, in particular to a combined scale for the outer ring groove of a pulley.

Background technique

In the production and processing of the pulley, the outer ring groove is usually set in the middle of the pulley. The processing accuracy of the outer ring groove affects the problems such as the round runout and eccentricity of the pulley. Therefore, it is necessary to check whether the processing size of the outer ring groove is within the However, the outer ring groove is recessed, which makes it very troublesome to measure the inner diameter and outer diameter of the outer ring groove, and the commonly used measuring tools are difficult to meet the measurement requirements.

Contents of the invention

In order to overcome the deficiencies of the prior art, the utility model provides a pulley outer ring groove combined scale with convenient measurement and high precision.

The technical scheme that the utility model solves its technical problem adopts is:

The pulley outer ring groove combination scale includes a meter frame and a gauge arranged on the meter frame. One end of the meter frame is extended with a fixed diameter ball, and the meter is installed on the other end of the meter frame. A movable sleeve diameter ball is connected to the measuring rod, and the fixed diameter ball corresponds to the movable sleeve diameter ball, and a measuring distance is formed between the two.

The upper end of the fixed-diameter ball is an external threaded portion, and at least one threaded hole corresponding to the external threaded portion is opened on the watch frame.

There are four threaded holes.

The end of the meter frame is provided with a corner seat, and a mounting hole is opened on the corner seat, and a shaft sleeve corresponding to the measuring rod is pierced on the mounting hole. After the measuring rod of the gauge passes through the bushing, Connect with movable sleeve diameter ball.

The shaft sleeve is compressed and fixed in the installation hole by a screw.

The upper end of the diameter ball of the movable sleeve is a connecting part, and a measuring rod mounting hole corresponding to the measuring rod is opened on the connecting part, and a through groove is opened on the connecting part, and the through groove passes through the measuring rod mounting hole and the connecting part The end face, and a clamping hole passing through the through groove is opened at the connecting part, and a clamping bolt is arranged in the clamping hole.

There is an elongated groove in the middle of the meter frame, the gauge is installed outside the corner seat, the diameter ball of the movable sleeve is installed inside the corner seat, and the lower end of the diameter ball of the movable sleeve passes through the elongated groove and is exposed to the fixed diameter ball. align.

The gauge is installed inside the corner seat, and the diameter ball of the movable sleeve is installed outside the corner seat, and the lower end of the diameter ball of the movable sleeve protrudes from the gauge to be aligned with the fixed diameter ball.

The scale is a dial scale.

The beneficial effect of the utility model is that: the pulley outer ring groove combination gauge includes a meter frame and a meter arranged on the meter frame, one end of the meter frame is extended with a ball with a fixed diameter, and the meter is installed on the other side of the meter frame One end, and a movable sleeve diameter ball is connected to the measuring rod of the scale, the fixed diameter ball corresponds to the movable sleeve diameter ball, and a measuring distance is formed between the two, and the measuring distance is slightly larger than that of the outer ring groove The outer diameter or slightly smaller than the inner diameter of the outer ring groove. The gauge is a dial indicator. When measuring, the fixed diameter ball and the movable sleeve diameter ball are snapped into the inner diameter or outer diameter of the outer ring groove. At this time, the movable The sleeve diameter ball will be squeezed to produce a small range of rotation, which will drive the measuring rod to move, and then take a reading on the gauge, and compare it with the reading of the standard part, so as to detect whether the inner diameter or outer diameter of the outer ring groove of the pulley meets the accuracy requirements. The detection is very convenient and practical.

Description of drawings

Below in conjunction with accompanying drawing and embodiment the utility model is further described.

Fig. 1 is the structural representation of the first specific embodiment of the utility model;

Fig. 2 is the structural representation of the table frame of the present utility model;

Fig. 3 is a top view of the watch frame of the present utility model;

Fig. 4 is the structural representation of movable sleeve diameter ball of the present utility model;

Fig. 5 is a schematic structural view of a fixed-diameter ball of the present invention;

Fig. 6 is a schematic structural diagram of a second specific embodiment of the present invention.

Detailed ways

With reference to Fig. 1 to Fig. 5, Fig. 1 to Fig. 5 are the structural representations of a specific embodiment of the present utility model, as shown in the figure, the belt pulley outer ring groove combined scale comprises meter frame 1 and the quantity that is arranged on meter frame 1 Table 2, in the present embodiment, the scale 2 is a dial gauge, and the dial gauge converts the general linear displacement (linear motion) into the rotational motion of the pointer through the measuring rod 21, and then reads on the dial A length measuring instrument, one end of the watch frame 1 is extended with a fixed diameter ball 3, the upper end of the fixed diameter ball 3 is an external thread portion 31, and at least one corresponding to the external thread portion 31 is provided on the table frame 1 Threaded hole 11, the fixed diameter ball 3 is installed on the meter frame 1 through the cooperation of the external thread part 31 and the threaded hole 11; the meter 2 is installed on the other end of the meter frame 1, and the measuring rod 21 of the meter 2 A movable sleeve diameter ball 4 is connected to the top, and a corner seat 12 is provided at the end of the watch frame 1, and a mounting hole 13 is opened on the corner seat 12, and a shaft corresponding to the measuring rod 21 is pierced on the mounting hole 13. sleeve 14, the shaft sleeve 14 is compressed and fixed in the installation hole 13 by a screw 15, and the measuring rod 21 of the gauge 2 passes through the shaft sleeve 14 and is connected with the movable sleeve diameter ball 4.

As shown in the figure, the upper end of the movable sleeve diameter ball 4 is a connecting portion 41, the connecting portion 41 is provided with a measuring rod mounting hole 42 corresponding to the measuring rod 21, and the connecting portion 41 is provided with a through groove 43 , the through groove 43 runs through the mounting hole 42 of the measuring rod and the end face of the connecting part 41, and a clamping hole 44 passing through the through groove 43 is opened in the connecting part 41, and a clamping bolt is arranged in the clamping hole 44, and the movable sleeve When the diameter ball 4 is installed, the measuring rod 21 of the gauge 2 penetrates the measuring rod installation hole 42, and the clamping bolt can be tightened to clamp the measuring rod 21, and the installation of the movable sleeve diameter ball 4 is completed, and the movable sleeve diameter ball after installation 4 is aligned with the fixed-diameter ball 3, and a measurement distance is formed between the two, and in this embodiment, four threaded holes 11 are provided, so that the fixed-diameter ball 3 can be installed in different threaded holes 11 to adjust the measurement distance, very convenient to use.

In this embodiment, an elongated slot 16 is opened in the middle of the watch frame 1, the gauge 2 is installed outside the corner seat 12, the movable sleeve diameter ball 4 is installed inside the corner seat 12, and the movable sleeve diameter The lower end of the ball 4 passes through the elongated groove 16 and is exposed to align with the fixed diameter ball 3. At this time, the measuring distance between the fixed diameter ball 3 and the movable sleeve diameter ball 4 is slightly smaller than the inner diameter of the pulley outer ring groove. When measuring, the fixed diameter The ball 3 and the movable sleeve diameter ball 4 snap into the inner diameter of the outer ring groove. At this time, the movable sleeve diameter ball 4 will be squeezed to produce a small-scale outward rotation, which drives the measuring rod 21 to move, and then the gauge 2 The readings are compared with the readings of the standard parts, so as to detect whether the inner diameter of the outer ring groove of the pulley meets the accuracy requirements. The detection is very convenient and practical.

As shown in Figure 6, Figure 6 is a schematic structural view of the second specific embodiment of the present invention. In this embodiment, the gauge 2 is installed inside the corner seat 12, and the movable sleeve diameter ball 4 is installed on the corner Outer side of seat 12, and the protruding gauge 2 at the lower end of the movable sleeve diameter ball 4 is exposed and aligned with the fixed diameter ball 3. At this time, the measuring distance between the fixed diameter ball 3 and the movable sleeve diameter ball 4 is slightly greater than that of the outer ring groove of the pulley When measuring the outer diameter, snap the fixed diameter ball 3 and the movable sleeve diameter ball 4 into the outer diameter of the outer ring groove. At this time, the movable sleeve diameter ball 4 will be squeezed to produce a small range of inward rotation, driving the measuring Rod 21 moves, reads by gauge 2 again, and compares with the reading of standard part, thereby detects whether the outer diameter of belt pulley outer ring groove meets precision requirement, detects very convenient, and practicability is strong.

The preferred implementation of the present utility model has been specifically described above, certainly, the present utility model can also adopt the form different from above-mentioned embodiment, as scale 2 can also adopt the measuring table of the same measuring principle as dial indicator according to the needs of use , this type of measurement table can be non-standard table, modified table, etc., and those skilled in the field of mechanical measurement can make similar scales on the basis of the principle of dial indicator, which will not be described in detail here. The equivalent transformations or corresponding changes made under the premise of not violating the spirit of the present invention should fall within the protection scope of the present utility model.

Claims (9)

1. belt pulley outer groove combines scale, it is characterized in that: comprise dial framework (1) and be arranged on the scale (2) on dial framework (1), the extension of described dial framework (1) one end is provided with a fixed diameter ball (3), described scale (2) is mounted to dial framework (1) other end, and on the measuring staff (21) of described scale (2), be connected with a movable sleeve diameter ball (4), described fixed diameter ball (3) is corresponding with movable sleeve diameter ball (4), and between forms a measuring distance.

2. belt pulley outer groove according to claim 1 combines scale, it is characterized in that: described fixed diameter ball (3) upper end is an external thread part (31), on described dial framework (1), offer at least one threaded hole (11) corresponding with external thread part (31).

3. belt pulley outer groove combination scale according to claim 2, is characterized in that: described threaded hole (11) offers four.

4. belt pulley outer groove according to claim 1 combines scale, it is characterized in that: described dial framework (1) end is provided with a corner seat (12), on described corner seat (12), offer a mounting hole (13), on this mounting hole (13), be equipped with an axle sleeve (14) corresponding with measuring staff (21), the measuring staff (21) of described scale (2) is connected with movable sleeve diameter ball (4) through after this axle sleeve (14).

5. belt pulley outer groove combination scale according to claim 4, is characterized in that: described axle sleeve (14) is pressed abd fixed in mounting hole (13) by a screw (15).

6. belt pulley outer groove according to claim 4 combines scale, it is characterized in that: described movable sleeve diameter ball (4) upper end is a junction (41), on described connecting portion (41), offer the measuring staff mounting hole (42) corresponding with measuring staff (21), on described connecting portion (41), offer a groove (43), this groove (43) connects measuring staff mounting hole (42) and connecting portion (41) end face, and at connecting portion (41), offer the holes for clamping (44) through groove (43), and dispose fishbolt in holes for clamping (44).

7. belt pulley outer groove according to claim 4 combines scale, it is characterized in that: described dial framework (1) middle part offers elongate slots (16), described scale (2) is arranged on corner seat (12) outside, described movable sleeve diameter ball (4) is arranged on corner seat (12) inner side, and this movable sleeve diameter ball (4) lower end is exposed with fixed diameter ball (3) and alignd through elongate slots (16).

8. belt pulley outer groove according to claim 4 combines scale, it is characterized in that: described scale (2) is arranged on corner seat (12) inner side, described movable sleeve diameter ball (4) is arranged on corner seat (12) outside, and this movable sleeve diameter ball (4) lower end is stretched out scale (2) and exposed with fixed diameter ball (3) and align.

9. belt pulley outer groove combination scale according to claim 1, is characterized in that: described scale (2) is a clock gauge.