CN219572929U - Step axle axiality detects machine - Google Patents

Abstract

The utility model belongs to the technical field of step shaft coaxiality detection, and relates to a step shaft coaxiality detection machine. The utility model provides a step shaft coaxiality detection machine which is convenient to operate and can directly measure coaxiality of a plurality of parts. The utility model provides a step shaft coaxiality detection machine which comprises a frame, guide rods, first slide rods, first clamping pieces, second clamping pieces and first springs, wherein the middle part of the frame is connected with the guide rods, the guide rods are provided with the two first slide rods which are opposite up and down in a sliding mode, the first clamping pieces are connected to the first slide rods at the lower part, the second clamping pieces are connected to the first slide rods at the upper part, and the first springs are connected between the second clamping pieces and the first clamping pieces. The first arc-shaped plate and the second arc-shaped plate can clamp the step shaft, the step shaft can further extrude the second arc-shaped plate when the coaxiality is larger, and then the coaxiality of different parts of the step shaft can be directly detected once through the set four indexes, so that the operation is convenient.

Description

Step axle axiality detects machine

Technical Field

The utility model belongs to the technical field of step shaft coaxiality detection, and relates to a step shaft coaxiality detection machine.

Background

Coaxiality is the positioning tolerance and refers to the degree of non-coaxiality of the axis of the cylindrical surface to be measured with respect to the reference axis. Since different points of the measured axis to the reference axis may occur in various directions of the space of the step shaft, the tolerance zone is a step shaft with the reference axis as the axis, and the tolerance value is the diameter of the step shaft.

The coaxiality detection is an operation needed to be performed in the step shaft processing measurement, at present, the step shaft coaxiality detection method is to detect by utilizing two dial indicators and one gyroscope according to the professional stipulation steps, the detection mode has a plurality of steps, the coaxiality of a plurality of parts of the step shaft cannot be directly measured, and some technologies need to be continuously adjusted for multiple times to perform the test, so that the detection is excessively complicated.

According to the defects in the prior art, the step shaft coaxiality detection machine capable of directly measuring coaxiality of a plurality of parts and convenient to operate is designed.

Disclosure of Invention

The utility model aims to overcome the defects that the prior art has more steps and cannot directly measure the coaxiality of a plurality of parts of a step shaft, and needs to be continuously adjusted for testing for multiple times, and is too complicated.

In order to solve the technical problems, the utility model provides a step shaft coaxiality detection machine which comprises a frame, guide rods, a first sliding rod, a first clamping piece, a second clamping piece, a first spring, a fixed rod, indexes and ratchet components, wherein the middle part of the frame is connected with a plurality of guide rods, two first sliding rods which are opposite up and down are arranged on the guide rods in a sliding mode, the first clamping piece is connected to the first sliding rod below the guide rods, the second clamping piece is connected to the first sliding rod above the guide rods, the first spring is connected between the second clamping piece and the first clamping piece, the fixed rod is connected to the upper side of the second clamping piece, the indexes are connected to the top side of the fixed rod, and the ratchet components used for clamping the fixed rod are arranged between the fixed rod and the frame.

Preferably, the ratchet assembly comprises a second ratchet bar, a second sliding bar, an elastic piece and a first ratchet bar, wherein a plurality of second ratchet bars are arranged on the left inner side of the frame, the second sliding bar is arranged in the middle of the fixing bar in a sliding mode, the elastic piece is connected between the second sliding bar and the fixing bar, the elastic force of the elastic piece is smaller than that of the first spring, and the first ratchet bar meshed with the first ratchet bar is connected to the left side of the second sliding bar.

Preferably, the device further comprises a first arc-shaped plate and a second arc-shaped plate, wherein the first clamping piece is the first arc-shaped plate with the shape of arc, the second clamping piece is the second arc-shaped plate with the shape of arc, and the second arc-shaped plate and the first arc-shaped plate are mutually matched to form a circle.

Preferably, the device further comprises a third sliding rod and a third spring, the second ratchet bar is connected with the frame in a sliding mode, the left side of the second ratchet bar is connected with the third sliding rod, the third spring is connected between the third sliding rod and the frame, and the second ratchet bar is driven to move through the third sliding rod to loosen the first ratchet bar.

Preferably, the device further comprises a connecting frame, wherein a connecting frame for transmitting power is connected between the left sides of the third sliding bars, and the connecting frame drives all the second ratchet bars to loosen the first ratchet bars through the third sliding bars.

Preferably, the device further comprises a scale plate, wherein the top side of the frame is connected with a transparent scale plate, and the scale plate is used for observing the positions of the indexes.

On the basis of overcoming the defects of the prior art, the utility model can also achieve the following beneficial effects:

1. the first arc-shaped plate and the second arc-shaped plate can clamp the step shaft, the step shaft can further extrude the second arc-shaped plate when the coaxiality is larger, and then the coaxiality of different parts of the step shaft can be directly detected once through the set four indexes, so that the operation is convenient.

2. All second ratchet bars are driven by the third sliding rod to move leftwards through the connecting frame to loosen the first ratchet bars, and the first arc-shaped plate and the second arc-shaped plate at the moment can reset under the action of the first spring, so that the next test is quickly prepared.

Drawings

Fig. 1 is a schematic perspective view of the present utility model.

Fig. 2 is a schematic view of a first partial perspective view of the present utility model, wherein the frame is shown in full section.

FIG. 3 is a diagram showing the connection relationship between the second arcuate plate, the fixed rod, the index, and the like according to the present utility model.

FIG. 4 is a diagram showing the connection relationship among the first sliding rod, the first arc-shaped plate, the second arc-shaped plate and the like.

Fig. 5 is a schematic perspective view of a second part of the present utility model.

Fig. 6 is an enlarged view of fig. 5 at a in accordance with the present utility model.

The marks in the drawings are: the device comprises a frame 1, a guide rod 2, a first sliding rod 3, a first arc-shaped plate 4, a second arc-shaped plate 5, a first spring 6, a scale plate 7, a fixed rod 8, an index 9, a second sliding rod 10, a first ratchet bar 11, a second spring 12, a third sliding rod 13, a connecting frame 14, a second ratchet bar 15 and a third spring 16.

Detailed Description

In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. The utility model is further described below with reference to the drawings and examples.

Example 1

The utility model provides a step axle axiality detects machine, as shown in fig. 1-4, including frame 1, guide arm 2, first slide bar 3, first holder, second holder, first spring 6, dead lever 8, index 9 and ratchet subassembly, the middle part of frame 1 is connected with four guide arms 2, slide on guide arm 2 and be equipped with two relative first slide bars 3 from top to bottom, be connected with the first holder that is used for supporting the step axle on the first slide bar 3 of below, be connected with the second holder on the first slide bar 3 of top, be connected with between second holder and the first holder around the first spring 6 of first slide bar 3, the upside of second holder is connected with the dead lever 8 that slides and runs through in frame 1, the top side of dead lever 8 is connected with index 9, be equipped with the ratchet subassembly that is used for blocking dead lever 8 between dead lever 8 and the frame 1.

As shown in fig. 3, 5 and 6, the ratchet assembly comprises a second ratchet bar 15, a second slide bar 10, an elastic element and a first ratchet bar 11, four second ratchet bars 15 are arranged on the left inner side of the frame 1, the second slide bar 10 is slidably arranged in the middle of the fixing bar 8, the elastic element surrounding the second slide bar 10 is connected between the second slide bar 10 and the fixing bar 8, the elastic force of the elastic element is smaller than that of the first spring 6, the elastic element is a third spring 16, and the first ratchet bar 11 meshed with the first ratchet bar 11 is bolted on the left side of the second slide bar 10.

As shown in fig. 4, the device further comprises a first arc-shaped plate 4 and a second arc-shaped plate 5, wherein the first clamping piece is the first arc-shaped plate 4 with an arc shape, the second clamping piece is the second arc-shaped plate 5 with an arc shape, and the second arc-shaped plate 5 and the first arc-shaped plate 4 are mutually matched to form a circle so as to be used for increasing the contact area with the step shaft.

As shown in fig. 5 and 6, the device further comprises a third slide bar 13 and a third spring 16, the second ratchet bar 15 is slidably connected with the frame 1, the third slide bar 13 slidably penetrating through the frame 1 is connected to the left side of the second ratchet bar 15, the third spring 16 surrounding the third slide bar 13 is connected between the third slide bar 13 and the frame 1, and the second ratchet bar 15 is driven to move through the third slide bar 13 to release the first ratchet bar 11.

As shown in fig. 5 and 6, the device further comprises a connecting frame 14, a connecting frame 14 for transmitting power is connected between the left sides of the third sliding bars 13, and the connecting frame 14 drives all the second ratchet bars 15 to loosen the first ratchet bars 11 through the third sliding bars 13.

As shown in fig. 2, the display device further comprises a scale plate 7, the top side of the frame 1 is connected with the transparent scale plate 7, the scale plate 7 is in a straight shape, and the scale plate 7 is used for observing the positions of the indexes 9.

An operator can apply the corresponding technical scheme in the device to the technology of step shaft coaxiality detection according to specific conditions, initially, the frame 1 supports the index 9, the index 9 is at the lowest position, when the device is needed to assist in the step shaft coaxiality detection, firstly, the step shaft is placed between the first arc plate 4 and the second arc plate 5 from front to back, the first arc plate 4 and the second arc plate 5 clamp the step shaft under the action of the first spring 6, when the coaxiality of the step shaft part is larger, the step shaft further extrudes the second arc plate 5 to move upwards, the second arc plate 5 drives the index 9 to move upwards through the fixing rod 8, the distance of the upward movement of the index 9 is read through the scale plate 7, the coaxiality of the step shaft is detected, the fixed rod 8 moves upwards to drive the first ratchet bar 11 to move upwards to be meshed with the second ratchet bar 15 through the second sliding rod 10, the second sliding rod 10 slides along the fixed rod 8 and resets under the action of the second spring 12, then the second ratchet bar 15 clamps the first ratchet bar 11, so that the position of the index 9 is fixed, the stability of the device is increased, the distance of the upward movement of the index 9 is conveniently read through the scale plate 7, the coaxiality of different parts of the step shaft can be directly detected once through the four indexes 9, the operation is convenient, after the device is used, the step shaft is taken down from between the first arc plate 4 and the second arc plate 5, the third sliding rod 13 drives the second ratchet bar 15 to move leftwards to loosen the first ratchet bar 11 through the connecting frame 14, the first arc plate 4 and the second arc plate 5 at the moment reset under the action of the first spring 6, then the connecting frame 14 is released, and the second ratchet 15 is reset under the action of the third spring 16, so that the next step shaft coaxiality detection operation is prepared.

The foregoing examples have shown only the preferred embodiments of the utility model, which are described in more detail and are not to be construed as limiting the scope of the utility model. It should be noted that modifications, improvements and substitutions can be made by those skilled in the art without departing from the spirit of the utility model, which are all within the scope of the utility model. Accordingly, the scope of protection of the present utility model is to be determined by the appended claims.

Claims (6)

1. The utility model provides a step axle axiality detects machine, a serial communication port, including frame (1), guide arm (2), first slide bar (3), first holder, second holder, first spring (6), dead lever (8), index (9) and ratchet subassembly, the middle part of frame (1) is connected with many guide arms (2), slide on guide arm (2) and be equipped with two relative first slide bar (3) from top to bottom, be connected with first holder on first slide bar (3) of below, be connected with second holder on first slide bar (3) of top, be connected with first spring (6) between second holder and the first holder, the upside of second holder is connected with dead lever (8), the top side of dead lever (8) is connected with index (9), be equipped with the ratchet subassembly that is used for blocking dead lever (8) between dead lever (8) and frame (1).

2. The step shaft coaxiality detection machine according to claim 1, wherein the ratchet assembly comprises a second ratchet bar (15), a second sliding bar (10), an elastic piece and a first ratchet bar (11), the plurality of second ratchet bars (15) are arranged on the left inner side of the frame (1), the second sliding bar (10) is arranged in the middle of the fixing bar (8) in a sliding mode, the elastic piece is connected between the second sliding bar (10) and the fixing bar (8), the elastic force of the elastic piece is smaller than that of the first spring (6), and the first ratchet bar (11) meshed with the first ratchet bar (11) is connected on the left side of the second sliding bar (10).

3. The machine for detecting coaxiality of a stepped shaft according to claim 2, further comprising a first arc-shaped plate (4) and a second arc-shaped plate (5), wherein the first clamping piece is the first arc-shaped plate (4) with the arc shape, the second clamping piece is the second arc-shaped plate (5) with the arc shape, and the second arc-shaped plate (5) and the first arc-shaped plate (4) are mutually matched to form a circle.

4. A machine for detecting coaxiality of a step shaft according to claim 3, further comprising a third sliding rod (13) and a third spring (16), wherein the second ratchet bar (15) is connected with the frame (1) in a sliding manner, the third sliding rod (13) is connected to the left side of the second ratchet bar (15), the third spring (16) is connected between the third sliding rod (13) and the frame (1), and the second ratchet bar (15) is driven to move through the third sliding rod (13) to release the first ratchet bar (11).

5. The machine for detecting the coaxiality of a step shaft according to claim 4, further comprising a connecting frame (14), wherein the connecting frame (14) for transmitting power is connected between the left sides of the third sliding bars (13), and the connecting frame (14) drives all the second ratchet bars (15) to loosen the first ratchet bars (11) through the third sliding bars (13).

6. The machine for detecting coaxiality of a step shaft according to claim 5, further comprising a scale plate (7), wherein the transparent scale plate (7) is connected to the top side of the frame (1), and the scale plate (7) is used for observing the position of the index (9).