CN103344164A - Device for measuring inner and outer ring grooves of belt wheel - Google Patents

Abstract

The invention relates to a measuring device for the inner and outer ring grooves of pulleys, which is characterized in that it comprises a bottom plate (1), the bottom plate is connected with a vertical plate (2), and a vertical slider (8) is arranged in the vertical plate. The upper and lower sides of the slider are provided with a measuring plate (13) and a horizontal slider (3), the lower end surface of the vertical slider is in contact with the horizontal slider, and the two symmetrical sides of the vertical slider are respectively connected with ring grooves. The small-diameter measuring pin (9) and the large-diameter measuring pin (11) of the ring groove are respectively connected to a flange (10) on the two sides of the vertical plate, and two positioning pins (21) are connected to the flange, and the positioning pin and the ring groove Measuring pins are arranged on the same circumference, and the measuring table base (12) is connected on the vertical plate, and a dial indicator (15) is arranged on the measuring table base, and the measuring head of the dial indicator contacts and cooperates with the measuring board (13). The invention has the advantages that the device has a simple structure and is easy to operate, and the numerical value obtained by using a dial indicator to measure the dimensional tolerance of the ring groove is very accurate.

Description

A Measuring Device for Pulley Inner and Outer Ring Groove

the

technical field

The invention relates to the technical field of ring groove measurement, in particular to a measuring device for inner and outer ring grooves of a pulley.

Background technique

In the machinery industry, there are many parts with inner ring groove structures. Most of these inner ring grooves have shape and position tolerance requirements. At this stage, most of them are measured by general measuring tools. In the production and processing of pulleys, the tolerance requirements of the inner ring grooves are very small. , It is difficult to meet the measurement requirements with general measurement tools. After extensive searching, a comparatively ideal technical solution has not been found yet.

Contents of the invention

The purpose of the present invention is to solve the shortcoming of large measurement error when measuring the shape and position tolerance of the inner ring groove at the current stage, and propose a measuring device for the inner and outer ring grooves of the pulley.

In order to achieve the above object, the present invention adopts the following technical solutions:

A measuring device for inner and outer ring grooves of pulleys, characterized in that:

a. Including the bottom plate, a vertical plate is connected to the bottom plate by screws, a vertical chute is provided at the center of the vertical plate from the top downward, and a single-sided chute is respectively provided on both sides of the vertical chute on the vertical plate. Through the give way groove, the said give way groove is arranged on two horizontal planes, the bottom of the vertical chute is provided with a through horizontal chute, and the two sides of the vertical plate are respectively fixedly connected with a flange by screws, Each flange is provided with a measuring pin sliding groove, and the measuring pin sliding groove is matched with the relief groove correspondingly. Two ring groove small-diameter positioning pins are connected to the lower side of the flange on one side of the vertical plate. The ring groove The small-diameter locating pins are arranged on the concentric circumference of the flange; the upper side of the flange on the other side of the vertical plate is connected with two large-diameter locating pins in ring grooves, and the large-diameter locating pins in the ring grooves are arranged on the center circle of the flange.

b. Cooperate and connect the vertical slider in the vertical chute. The upper end of the vertical slider is higher than the top of the vertical plate. A horizontal measuring plate is symmetrically connected to the top of the vertical slider by screws. The two symmetrical sides of the block and the relief groove are respectively connected with a ring groove small-diameter measuring pin and a ring groove large-diameter measuring pin. The ring groove small-diameter measuring pin runs through the upper side of the vertical plate. Slidingly matched with the sliding groove of the measuring pin, the small diameter measuring pin of the ring groove is also set on the same circumference as the two small diameter positioning pins of the ring groove below, and the large diameter measuring pin of the ring groove runs through the give way groove on the lower side of the vertical plate, and the ring groove is large The diameter measuring pin is slidably matched with the measuring pin sliding groove, and the large diameter measuring pin of the ring groove and the two ring groove large diameter positioning pins above it are arranged on the same circumference.

c. Cooperate and connect the horizontal slider in the horizontal chute. There is a wedge-shaped platform on the top of the horizontal slider. The wedge-shaped platform contacts and cooperates with the inclined surface of the lower end of the vertical slider. One side is connected with the horizontal slide block through a wave pin, the handle can rotate around the wave pin, and the handle is also connected to the base plate through a connecting pin.

d. Connect a measuring table base on the vertical plate, and set a dial indicator on both sides of the measuring table base, and the measuring head of the dial indicator is in contact with the measuring board.

On the basis of above-mentioned technical scheme, can have following further technical scheme:

The sides of the two ends of the horizontal slider are respectively connected with a limit plate, and the limit plates are respectively matched with the limit seats connected to the vertical plate and the bottom plate, and a dial gauge is connected to the front end of the horizontal slider through the instrument bracket. , a spacer is also sleeved on the connecting pin, the spacer is arranged between the horizontal slider and the bottom plate, and a tension spring is also connected between the horizontal slider and the vertical plate.

The upper side of the measuring table base is provided with a connecting plate, and a dial indicator is respectively connected to both sides of the connecting plate, and a U-shaped opening is provided under the measuring table base, and the U-shaped opening is clamped and matched with the vertical plate. A counterbore is also provided at the center of the measuring table seat, and a compression spring is matched and connected in the counterbore, and the compression spring contacts and cooperates with the measuring plate.

The small diameter measuring pin of the ring groove and the two positioning pins of the small diameter of the ring groove are matched and connected with the inner ring groove of the pulley respectively, and the small diameter measuring pin of the ring groove contacts and cooperates with the small diameter of the inner ring groove to measure the tolerance of the small diameter. The large-diameter measuring pin of the ring groove and the large-diameter positioning pins of the two ring grooves are also connected with the inner ring groove of the pulley, and the large-diameter measuring pin of the ring groove contacts and cooperates with the large diameter of the inner ring groove to measure the tolerance of the large diameter.

The handle takes the connecting pin as a fulcrum and can rotate around the connecting pin on the horizontal plane. When the handle rotates, it drives the horizontal slider to move in the horizontal chute. The displacement of the horizontal slider can be determined by the limit plate. When the horizontal slider moves, it drives the vertical slider to move up and down. The measuring pins of the ring groove on the vertical slider are in contact with the large diameter or the small diameter of the chute respectively. At this time, the shape and position tolerance of the ring groove is read through the dial indicator. The belt pulley can also be rotated during measurement, and the runout of the end surface of the belt pulley can be measured by a dial gauge connected to the slider.

The invention has the advantages of simple structure and convenient operation, and the numerical value obtained by using a dial indicator to measure the size tolerance of the ring groove is very accurate.

Description of drawings

Fig. 1 is a schematic diagram of the basic structure of the present invention;

Fig. 2 is the left view of Fig. 1;

Figure 3 is a schematic view of the device.

Detailed ways

As shown in Fig. 1 and Fig. 2, a kind of measuring device for the inner and outer ring grooves of the pulley provided by the present invention is characterized in that:

a. Including the bottom plate 1, a vertical plate 2 is connected to the bottom plate 1 by screws, and a section of vertical chute 2a is provided downward from the top at the center of the vertical plate 2, and on both sides of the vertical chute on the vertical plate 2 There are respectively provided with a one-sided through-passing give way groove 2c, and the said give way groove is arranged on two horizontal planes, and a through horizontal chute 2b is provided at the bottom of the vertical chute 2a, and on the two sides of the vertical plate One flange 10 is respectively fixedly connected by screws, each flange 10 is provided with a measuring pin sliding groove 10a, and the measuring pin sliding groove 10a is correspondingly matched with the relief groove 2c, on the lower side of the flange on one side of the vertical plate Connect the small-diameter locating pins 21 of the two ring grooves, and the small-diameter locating pins of the ring grooves are arranged on the concentric circumference of the flange 10; The large-diameter locating pin of the annular groove described above is arranged on the circle center circle of the flange.

b. Cooperate and connect the vertical slider 8 in the vertical chute 2a, the upper end of the vertical slider 8 is higher than the top of the vertical plate 3, and a horizontal measuring board 13 is symmetrically connected by screws on the top of the vertical slider 8 , on the two symmetrical sides of the vertical slider 8 and the relief groove 2c, respectively connect a ring groove small-diameter measuring pin 9 and a ring groove large-diameter measuring pin 11, and the ring groove small-diameter measuring pin 9 runs through the vertical plate 2 Side relief groove 2c, ring groove small diameter measuring pin 9 and measuring pin sliding groove 10a slide fit, ring groove small diameter measuring pin 9 is also arranged on the same circumference with the two ring groove small diameter positioning pins 21 below, the ring groove is large The diameter measuring pin 11 runs through the relief groove 2c on the lower side of the vertical plate 2, the large diameter measuring pin of the ring groove is slidably matched with the sliding groove 10a of the measuring pin, the large diameter measuring pin 11 of the ring groove and the two large diameter positioning pins 22 of the ring groove above it set on the same circle.

As shown in FIG. 3 , the small diameter measuring pin 9 of the ring groove and the two positioning pins 21 of the small diameter of the ring groove are respectively connected with the inner ring groove 23a of the pulley 23, and the small diameter measuring pin 9 of the ring groove is in contact with the small diameter of the inner ring groove 23a. Cooperate, the large-diameter measuring pin 11 of the ring groove and the large-diameter positioning pins 22 of the two ring grooves are also connected with the inner ring groove 23a of the pulley 23, and the large-diameter measuring pin 11 of the ring groove is in contact with the major diameter of the inner ring groove 23a Cooperate.

c. Cooperate and connect the horizontal slider 3 in the horizontal chute 2b. A wedge-shaped platform 3a is arranged on the top of the horizontal slider 3. The wedge-shaped platform 3a contacts and cooperates with the inclined surface of the lower end of the vertical slider 8. The bottom of the rear side and one side of the handle 5 are connected together with the horizontal slider 3 through the wave pin 4 , and the handle 5 is also connected to the bottom plate 1 through the connecting pin 6 .

A spacer 19 is also sleeved on the connecting pin 6, and the spacer 19 is arranged between the horizontal slider 3 and the bottom plate 1, and a tension spring 18 is also connected between the horizontal slider 3 and the vertical plate 2. A limit plate 7 is respectively connected to the side surfaces of the two ends of the horizontal slider 3, wherein one limit plate 7 is respectively space-limited with the vertical plate 2, and the other limit plate 7 is space-limited with the limit seat 17 on the bottom plate 1. , a dial gauge 15 is connected by an instrument bracket 16 at the front end of the horizontal slider 3 .

d, connect a measuring table base 12 on the vertical plate 2, a connecting plate 12a is arranged on the measuring table base 12, and a dial gauge 15 is fixedly connected by screws on both sides of the connecting board 12a, and the measuring gauge 15 The head is in contact with the measuring board 13, and a U-shaped opening 12b is provided below the measuring table base 12, and the U-shaped opening 12b is clamped with the vertical plate 2, and the measuring table base 12 is fixedly connected by screws on the side of the U-shaped opening. On the vertical plate 2, there is also a counterbore 12c at the upward central position of the U-shaped opening 12b, and a compression spring 14 is fitted in the counterbore 12c, and the compression spring 14 contacts and cooperates with the measuring board 13.

Claims (4)

1. measurement mechanism that is used for the inside and outside annular groove of belt wheel is characterized in that comprising:

A, base plate (1), be provided with riser (2) at base plate (1), from the top of riser (2) to having one section vertical chute (2a), the both sides of going up vertical chute (2a) at riser (2) are respectively equipped with a slot to make way that runs through (2c), bottom at vertical chute (2a) is provided with the horizontal concrete chute (2b) that runs through, two sides at riser (2) also connect a flange (10) respectively, on each flange (10), be provided with one and measure pin sliding tray (10a), measure pin sliding tray (10a) and slot to make way (2c) corresponding matching, downside at the flange (10) of riser (2) one sides connects two annular groove path register pins (21), and described annular groove path register pin (21) is arranged on the concentric circumference of flange (10); The upside of riser (2) opposite side flange (10) connects two the big footpath of annular groove register pins (22), and the big footpath of described annular groove register pin (22) is arranged on the center of circle circumference of flange (10);

B, upright slide block (8) is connected in vertical chute (2a), top at upright slide block (8) connects drafting board (13), being connected an annular groove path on upright slide block (8) and two symmetrical sides that slot to make way (2c) matches respectively measures pin (9) and the big footpath of annular groove and measures and sell (11), the annular groove path is measured the slot to make way (2c) that pin (9) runs through riser (2) upside, the annular groove path is measured pin (9) and is slidingly matched with measurement pin sliding tray (10a), annular groove path measurement pin (9) also two the annular groove path register pins (21) below it is arranged on the same circumference, the slot to make way (2c) that pin (11) runs through riser (2) downside is measured in the big footpath of annular groove, the big footpath of annular groove is measured pin (11) and is measured pin sliding tray (10a) and is slidingly matched, and pin (11) is measured in the big footpath of annular groove and two the big footpath of the annular groove register pins (22) above it are arranged on the same circumference;

C, cross sliding clock (3) is connected in horizontal concrete chute (2b), be provided with a wedge shape platform (3a) above the cross sliding clock (3), wedge shape platform (3a) contacts cooperation with the inclined-plane of the lower end of upright slide block (8), side with handle (5) below the rear side of cross sliding clock (3) is hinged, and handle (5) also is connected on the base plate (1) by connecting pin (6);

D, connect one measure gauge stand (12) on riser (2), connect a dial gauge (15) respectively in the both sides of measuring gauge stand (12), the gauge head of dial gauge (15) contacts with drafting board (13).

2. a kind of measurement mechanism for annular groove inside and outside the belt wheel according to claim 1, it is characterized in that: connect a limiting plate (7) respectively on described cross sliding clock (3) side faces at both ends, limiting plate (7) respectively with riser (2) and base plate (1) on the spacing cooperation of limit base (17) that is connected, connect a dial gauge (15) at the front end of cross sliding clock (3) by instrument support (16).

3. a kind of measurement mechanism for annular groove inside and outside the belt wheel according to claim 1, it is characterized in that: described connecting pin (6) is gone up an also cushion block of socket (19), cushion block (19) is arranged between cross sliding clock (3) and the base plate (1), also is connected an extension spring (18) between cross sliding clock (3) and riser (2).

4. a kind of measurement mechanism for annular groove inside and outside the belt wheel according to claim 1, it is characterized in that: the upside of described measurement gauge stand (12) is provided with web joint (12a), connect a dial gauge (15) respectively in the both sides of web joint (12a), below measuring gauge stand (12), be provided with a U-shaped opening (12b), U-shaped opening (12b) cooperates with riser (2) clamping, also be provided with a counterbore (12c) in the center of measuring gauge stand (12), the stage clip (14) that is connected in counterbore (12c), stage clip (14) contacts cooperation with drafting board (13).

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