CN115218750A - Detection device and pull rod seat space detection method - Google Patents

Abstract

The utility model relates to a measure technical field, provide a detection device and pull rod seat space detection method, detection device includes: a detection assembly and a calibration assembly. The detection assembly comprises: vernier caliper, mounting, bracing piece, positioning disk. The vernier caliper comprises a main ruler and a vernier; the fixing piece can be in sliding connection with the main scale in a first state and is fixedly connected with the main scale in a second state; the supporting rod is connected between the fixing piece and the positioning plate. The calibration assembly includes: the supporting frame comprises a base and a supporting part, and the supporting part is fixedly connected to the base; the positioning ring is connected with the base; the positioning block is connected to the supporting part, connected to one side of the supporting part far away from the base and connected to one side of the supporting part facing the positioning ring; the positioning disc is detachably connected to the positioning ring, and when the positioning disc is connected to the positioning ring, the positioning block is located on a moving path of the vernier. The detection device can be used for conveniently and accurately detecting the space of the pull rod seat.

Description

Detection device and pull rod seat space detection method

Technical Field

The disclosure relates to the technical field of measurement, in particular to a detection device and a pull rod seat space detection method.

Background

The locomotive frame needs to be welded and repaired in the process of maintenance, the pull rod seat can deform in the process of welding and repair, and the detection requirements are met on the assembly surface of the machining part of the pull rod seat according to the maintenance regulations. On a newly built locomotive, the three-coordinate measuring machine can be used for detecting the pull rod seat, and for a maintenance locomotive, the maintenance operation is carried out on a service section, so that the three-coordinate measuring machine cannot be used for detecting on site.

It is to be noted that the information disclosed in the above background section is only for enhancement of understanding of the background of the present disclosure, and thus may include information that does not constitute prior art known to those of ordinary skill in the art.

Disclosure of Invention

According to an aspect of the present disclosure, there is provided a detection apparatus including: detection subassembly, calibration subassembly, the detection subassembly includes: the vernier caliper comprises a main ruler and a vernier scale, wherein the vernier caliper is connected with the main ruler in a sliding manner; the fixing piece can work in a first state and a second state, the main scale is connected to the fixing piece in a sliding mode along the extending direction of the main scale in the first state, and the main scale is fixedly connected to the fixing piece in the second state; the first end of the supporting rod is connected to the fixing piece, and the extending direction of the supporting rod is intersected with the extending direction of the main scale; the positioning disk connect in the second end of bracing piece, the calibration subassembly includes: the positioning device comprises a support frame, a positioning ring and a positioning block, wherein the support frame comprises a base and a supporting part, the supporting part is fixedly connected to the base, and the extending direction of the supporting part is intersected with the plane of the base; the positioning ring is connected to the base; the positioning block is connected to the supporting part, the positioning block is connected to one side, far away from the base, of the supporting part, and the positioning block is connected to one side, facing the positioning ring, of the supporting part; the positioning disc is detachably connected to the positioning ring, and when the positioning disc is connected to the positioning ring, the positioning block is located on a moving path of the vernier.

In an exemplary embodiment of the present disclosure, the fixing member includes: the main ruler comprises a fixing body, a gland and a first screw, wherein a sliding groove is formed in the fixing body, the main ruler is slidably mounted in the sliding groove, and the size of the main ruler in the depth direction of the sliding groove is larger than the depth of the sliding groove; the gland is positioned on one side, away from the chute, of the main scale; the first screw is in threaded connection with the gland and the fixing body along the depth direction of the sliding groove.

In an exemplary embodiment of the present disclosure, a threaded hole is formed on a side wall of the sliding groove, and the fixing member further includes: and the second screw is in threaded connection with the threaded hole in the side wall of the sliding chute.

In an exemplary embodiment of the present disclosure, the wear resistance of the positioning ring is stronger than that of the support frame, and the wear resistance of the positioning block is stronger than that of the support frame.

In an exemplary embodiment of the present disclosure, the puck includes: the first disc body is connected to the second end of the supporting rod, and the radius of the first disc body is larger than that of the inner ring of the positioning ring; the second disc body is connected to one end, far away from the supporting rod, of the first disc body, and the second disc body can be sleeved in the positioning ring in a matching mode.

In an exemplary embodiment of the present disclosure, the support frame further includes: the support ring is fixed on the base, and the positioning ring is positioned on one side of the support ring, which is far away from the base; the third screws are in threaded connection with the positioning ring and the supporting ring along the distribution direction of the positioning ring and the supporting ring; the positioning pins are connected with the positioning ring and the supporting ring in a pin mode along the distribution direction of the positioning ring and the supporting ring.

In an exemplary embodiment of the present disclosure, the support portion and the positioning block are formed with a slot at an end away from the base, and the slot is located on a sliding path of the main scale when the positioning disc is coupled to the positioning ring.

In an exemplary embodiment of the present disclosure, the vernier includes: the sliding sleeve is sleeved on the main scale; the blocking part is connected to the sliding sleeve, and when the positioning disc is connected to the positioning ring, the positioning block is located on the sliding path of the blocking part.

In an exemplary embodiment of the present disclosure, the support part includes: the positioning device comprises a base, a first supporting plate and a second supporting plate, wherein the first supporting plate is fixedly connected to the base, when the positioning disc is connected to the positioning ring, the plane where the first supporting plate is located is intersected with the extension direction of the main ruler, and the positioning block is connected to the first supporting plate; the second supporting plate is fixedly connected with the base and the first supporting plate, the plane where the second supporting plate is located is intersected with the plane where the first supporting plate is located, the second supporting plate is in a right-angled trapezoid shape, the long bottom of the second supporting plate is fixedly connected with the base, and the right-angled edge of the second supporting plate is fixedly connected with the first supporting plate.

According to one aspect of the disclosure, a pull rod seat space detection method is provided, the detection device is applied, a spring seat is arranged on one side of the pull rod seat, and the detection method comprises the following steps:

calibrating the detection assembly with the calibration assembly;

and connecting the positioning disc to the spring seat in a matching manner, and detecting the distance between the pull rod seat and the spring seat by using a detection assembly.

It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the disclosure.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the present disclosure and together with the description, serve to explain the principles of the disclosure. It should be apparent that the drawings in the following description are merely examples of the disclosure and that other drawings may be derived by those of ordinary skill in the art without inventive effort.

FIG. 1 is a schematic diagram of an exemplary embodiment of a detection apparatus according to the present disclosure;

FIG. 2 is a schematic diagram of the detection assembly of FIG. 1;

FIG. 3 is a front view of the detection assembly of FIG. 2;

FIG. 4 is a left side view of the detection assembly of FIG. 2;

FIG. 5 is a top view of the detection assembly of FIG. 2;

FIG. 6 is a schematic diagram of the alignment assembly of FIG. 1;

FIG. 7 is a front view of the alignment assembly of FIG. 6;

FIG. 8 is a left side view of the alignment assembly of FIG. 6;

FIG. 9 is a top view of the alignment assembly of FIG. 6;

fig. 10 is a schematic structural view of the detection lever base of the detection assembly.

Detailed Description

Example embodiments will now be described more fully with reference to the accompanying drawings. Example embodiments may, however, be embodied in many different forms and should not be construed as limited to the examples set forth herein; rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the concept of example embodiments to those skilled in the art. The same reference numerals in the drawings denote the same or similar structures, and thus their detailed description will be omitted.

Although relative terms, such as "upper" and "lower," may be used herein to describe one element of an icon relative to another, such terms are used herein for convenience only, e.g., with reference to the orientation of the example illustrated in the drawings. It will be understood that if the illustrated device is turned upside down, elements described as "upper" will be those that are "lower". Other relative terms, such as "high," "low," "top," "bottom," "left," "right," and the like are also intended to have similar meanings. When a structure is "on" another structure, it may mean that the structure is integrally formed with the other structure, or that the structure is "directly" disposed on the other structure, or that the structure is "indirectly" disposed on the other structure via another structure.

The terms "a", "an", "the" are used to indicate the presence of one or more elements/components/parts/etc.; the terms "comprising" and "having" are intended to be inclusive and mean that there may be additional elements/components/etc. other than the listed elements/components/etc.

The present exemplary embodiment provides a detection apparatus including a detection component and a calibration component. As shown in fig. 1-9, fig. 1 is a schematic structural diagram of an exemplary embodiment of the detection apparatus of the present disclosure, fig. 2 is a schematic structural diagram of the detection assembly in fig. 1, fig. 3 is a front view of the detection assembly in fig. 2, fig. 4 is a left side view of the detection assembly in fig. 2, fig. 5 is a top view of the detection assembly in fig. 2, fig. 6 is a schematic structural diagram of the calibration assembly in fig. 1, fig. 7 is a front view of the calibration assembly in fig. 6, fig. 8 is a left side view of the calibration assembly in fig. 6, and fig. 9 is a top view of the calibration assembly in fig. 6. The detection means may comprise: detection subassembly 1, calibration subassembly 2, detection subassembly 1 includes: the vernier caliper comprises a vernier caliper 11, a fixing piece 12, a supporting rod 13 and a positioning plate 14, wherein the vernier caliper 11 comprises a main ruler 111 and a vernier ruler 112, and the vernier ruler 112 is connected to the main ruler 111 in a sliding manner; the fixing member 12 can work in a first state and a second state, in the first state, the main scale 111 is slidably connected to the fixing member 12, and in the second state, the main scale 111 is fixedly connected to the fixing member 12; a first end of the supporting rod 13 is connected to the fixing member 12, and an extending direction of the supporting rod 13 intersects with an extending direction of the main scale 111, for example, the extending direction of the supporting rod 13 is perpendicular to the extending direction of the main scale 111; the positioning plate 14 is connected to the second end of the supporting rod 13; the calibration assembly 2 comprises: the supporting frame 21 comprises a base 211 and a supporting portion 212, the supporting portion 212 is fixedly connected to the base 211, and the extending direction of the supporting portion 212 intersects with the plane of the base 211, for example, the extending direction of the supporting portion 212 is perpendicular to the plane of the base 211; the positioning ring 22 is connected to the base 211; the positioning block 23 is connected to the supporting portion 212, the positioning block 23 is connected to a side of the supporting portion 212 far away from the base 211, and the positioning block 23 is connected to a side of the supporting portion 212 facing the positioning ring 22; wherein, the positioning plate 14 is detachably connected to the positioning ring 22, and when the positioning plate 14 is connected to the positioning ring 22, the positioning block 23 is located on the moving path of the vernier 112.

In the exemplary embodiment, as shown in fig. 10, a schematic structural diagram of the detection lever seat of the detection assembly is shown. When the pull rod seat 7 is subjected to space detection, the spring seat 6 adjacent to the pull rod seat 7 can be used as a base point, and whether the pull rod seat 7 meets the requirement after maintenance is detected by detecting the distance between the surface to be detected 71 on the pull rod seat 7 and the spring seat 6. In the present exemplary embodiment, the positioning ring 22 forms a circular groove for simulating a groove on the spring seat 6, and the plane of the positioning block 23 facing the positioning ring 22 is used for simulating a surface 71 to be detected on the pull rod seat 7. The angle formed by the extending direction of the groove on the spring seat 6 and the plane of the surface to be detected is equal to the angle formed by the axial direction of the positioning ring 22 and the plane of the positioning block 23, for example, the extending direction of the groove on the spring seat 6 is parallel to the plane of the surface to be detected, and the axial direction of the positioning ring 22 is parallel to the plane of the positioning block 23. In the exemplary embodiment, the distance from the axis of the positioning ring 22 to the plane of the positioning block 23 may be set to be a standard distance from the axis of the groove of the spring seat 6 to the plane of the surface 71 to be detected. The plane of the positioning block 23 is the plane of the side of the positioning block 23 departing from the supporting portion 212. When the positioning plate 14 is attached to the positioning ring 22, the detection assembly 1 can be calibrated by the calibration assembly 2. For example, the vernier 112 is moved to make the vernier 112 and the positioning block 23 attached, the main scale 111 is moved to align the X-scale of the main scale 111 and the zero-scale of the vernier 112, and then the main scale is fixed by the fixing member 12. Subsequently, the positioning disc 14 is detached from the positioning ring 22, the positioning disc 14 is installed in the circular groove of the spring seat 6, the vernier 112 is moved to enable the vernier 112 to be attached to the surface 71 to be detected of the pull rod seat 7, the reading Y of the vernier caliper is read, and the length of the Y deviating from the X is the length of the surface 71 to be detected deviating from the standard position. Wherein X may be greater than 0.

In the exemplary embodiment, the calibration assembly 2 may be used to recalibrate the test assembly 1 a plurality of times, for example, after the test assembly 1 is calibrated by the calibration assembly 2, the puck 14 may be removed from the positioning ring 22 and the puck 14 may be re-secured within the positioning ring 22 to recalibrate the test assembly 1. The recalibration may comprise: the vernier caliper 112 is moved so that the vernier caliper 112 and the positioning block 23 are attached, and a reading of the vernier caliper is read to detect whether the read reading deviates from the X value. The first calibration may be considered accurate when the readings from the multiple recalibration readings and the difference in the X value are both less than a threshold value. In the present exemplary embodiment, the detection assembly 1 may be recalibrated 5 times by the calibration assembly 2.

In the exemplary embodiment, the fixing member 12 may be provided with an opening matching with the supporting rod 13, the positioning plate 14 may also be provided with an opening matching with the supporting rod 13, the opening of the fixing member 12 may be in interference connection with the first end of the supporting rod 13, and the opening of the positioning plate 14 may be in interference connection with the second end of the supporting rod 13. For example, the fixing member 12 and the support rod 13, and the positioning plate 14 and the support rod 13 may be assembled by liquid nitrogen cooling.

In the exemplary embodiment, when forming the calibration assembly 2, the positioning ring 22 and the positioning block 23 may be first installed on the support frame 21, and then the positioning ring 22 and the positioning block 23 may be finished so that the distance from the axial center of the positioning ring 22 to the plane of the positioning block 23 is equal to the standard distance. The exemplary embodiment can detect the distance from the axis of the positioning ring 22 to the plane of the positioning block 23 by using a three-coordinate measuring machine.

In the present exemplary embodiment, as shown in fig. 1 to 9, the fixing member 12 may include: the fixing device comprises a fixing body 121, a gland 122 and a first screw 31, wherein a sliding groove is formed on the fixing body 121, the main scale 111 is slidably mounted in the sliding groove, and when the main scale 111 is slidably mounted in the sliding groove, the size of the main scale 111 in the depth direction of the sliding groove is larger than the depth of the sliding groove, for example, the size of the main scale 111 in the depth direction of the sliding groove is larger than the depth of the sliding groove by 0.5mm. The gland 122 is positioned on the side of the main scale 111 facing away from the chute; the first screw 31 is screwed to the gland 122 and the fixing body 121 in the depth direction of the chute. Of these, the number of the first screws 31 may be four. The present exemplary embodiment can operate the fixing member 12 in the first state or the second state by loosening or tightening the first screw 31. For example, when the first screw 31 is tightened, the gland 122 may secure the main scale 111 within the chute; when the first screw 31 is loosened, the main scale 111 can slide along the slide groove in the extending direction thereof.

In the present exemplary embodiment, as shown in fig. 1 to 9, a threaded hole is formed on a side wall of the chute, and the fixing member 12 further includes: a second screw 32, said second screw 32 being threadably connected to a threaded hole in said chute side wall. The second screw 32 may further tighten the main scale 111 in a lateral direction.

In the present exemplary embodiment, as shown in fig. 1 to 9, the wear resistance of the positioning ring 22 may be stronger than that of the support frame 21, and the wear resistance of the positioning block 23 may be stronger than that of the support frame 21. The positioning ring 22 and the positioning block 23 of the exemplary embodiment are made of a material having high wear resistance, so that the calibration accuracy of the calibration assembly 2 can be improved, and the service life of the calibration assembly 2 can be prolonged. For example, the positioning ring 22 and the positioning block 23 may be made of high-strength steel, and the positioning ring 22 and the positioning block 23 may be subjected to a quenching process after rough machining, so that the positioning ring 22 and the positioning block 23 can resist wear and damage. In the exemplary embodiment, the wear resistance of the positioning plate 14 and the vernier 112 in the detection assembly 1 may be higher than that of other components in the detection assembly 1, and similarly, the positioning plate 14 and the vernier 112 may be formed of high-strength steel, and other structures such as the support rod 13 in the detection assembly 1 may be formed of stainless steel.

In the present exemplary embodiment, as shown in fig. 1-9, the puck 14 may include: a first disc 141 and a second disc 142, wherein the first disc 141 is connected to the second end of the support rod 13, and the radius of the first disc 141 may be larger than the radius of the inner ring of the positioning ring 22; the second tray 142 is connected to an end of the first tray 141 away from the supporting rod 13, and the second tray 142 can be sleeved in the positioning ring 22 in a matching manner. When the second plate 142 is sleeved in the positioning ring 22, the first plate 141 can abut against the upper end of the positioning ring 22.

In this exemplary embodiment, as shown in fig. 1 to 9, the supporting frame 21 may further include: the support ring 213 is fixed on the base 211, the third screw 33 and the positioning pin 4, the support ring 213 is located on a side of the support ring 213 facing away from the base 211, and the positioning ring 22 is located on a side of the support ring 213; the third screw 33 is screwed to the positioning ring 22 and the supporting ring 213 along the distribution direction of the positioning ring 22 and the supporting ring 213; the positioning pins 4 are pin-connected to the positioning ring 22 and the supporting ring 213 in the distribution direction of the positioning ring 22 and the supporting ring 213. The third screw 33 and the positioning pin 4 can fixedly connect the positioning ring 22 and the supporting ring 213. The support ring 213 can adjust the height of the positioning ring 22.

In the exemplary embodiment, as shown in fig. 1-9, the supporting portion 212 and the positioning block 23 are formed with a slot 5 at an end away from the base 211, and when the positioning plate 14 is connected to the positioning ring 22, the slot 5 is located on the sliding path of the main ruler 111, so that the main ruler 111 can be partially located in the slot 5 when sliding relative to the fixing member 12.

In the present exemplary embodiment, as shown in fig. 1 to 9, the vernier 112 may include: a sliding sleeve 1121, a blocking portion 1122, and the sliding sleeve 1121 is sleeved on the main scale 111; the blocking portion 1122 is connected to the sliding sleeve, and when the positioning plate 14 is connected to the positioning ring 22, the positioning block 23 is located on the sliding path of the blocking portion.

In the present exemplary embodiment, as shown in fig. 1 to 9, the supporting portion 212 may include: a first support plate 2121, a second support plate 2122, wherein the first support plate 2121 is fixedly connected to the base 211, and when the positioning plate 14 is connected to the positioning ring 22, the plane of the first support plate 2121 may intersect the extending direction of the main ruler 111, for example, the plane of the first support plate 2121 may be perpendicular to the extending direction of the main ruler 111. The positioning block 23 may be connected to a side of the first support plate 2121 facing the positioning ring 22; a second support plate 2122 may be fixedly attached to the base 211 and the first support plate 2121, and a plane of the second support plate 2122 may intersect a plane of the first support plate 2121, e.g., a plane of the second support plate 2122 may be perpendicular to a plane of the first support plate 2121. The second support plate 2122 can be a right trapezoid, a long bottom of the second support plate 2122 can be fixedly connected to the base 211, and a right-angled edge of the second support plate 2122 can be fixedly connected to the first support plate 2121. This arrangement can improve the overall strength of the support portion 212.

The exemplary embodiment further provides a method for detecting a space of a pull rod seat, which applies the above detection device, wherein a spring seat is arranged on one side of the pull rod seat, and the detection method comprises the following steps:

calibrating the detection assembly with the calibration assembly;

and connecting the positioning disc to the spring seat in a matching manner, and detecting the distance between the pull rod seat and the spring seat by using a detection assembly.

The detection method has already been described in detail in the above, and is not described herein again.

Other embodiments of the disclosure will be apparent to those skilled in the art from consideration of the specification and practice of the disclosure disclosed herein. This application is intended to cover any variations, uses, or adaptations of the disclosure following, in general, the principles of the disclosure and including such departures from the present disclosure as come within known or customary practice within the art to which the disclosure pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope and spirit of the disclosure being indicated by the following claims.

It will be understood that the present disclosure is not limited to the precise arrangements that have been described above and shown in the drawings, and that various modifications and changes may be made without departing from the scope thereof. The scope of the present disclosure is to be limited only by the terms of the appended claims.

Claims (10)

1. A detection device, characterized in that the detection device comprises:

a detection assembly, comprising:

the vernier caliper comprises a main ruler and a vernier, and the vernier is connected with the main ruler in a sliding manner;

the fixing piece can work in a first state and a second state, the main scale is connected to the fixing piece in a sliding mode along the extending direction of the main scale in the first state, and the main scale is fixedly connected to the fixing piece in the second state;

the first end of the supporting rod is connected to the fixing piece, and the extending direction of the supporting rod is intersected with the extending direction of the main scale;

the positioning disc is connected to the second end of the supporting rod;

a calibration assembly, comprising:

the supporting frame comprises a base and a supporting part, the supporting part is fixedly connected to the base, and the extending direction of the supporting part is intersected with the plane where the base is located;

the positioning ring is connected to the base;

the positioning block is connected to one side, far away from the base, of the supporting part, and is connected to one side, facing the positioning ring, of the supporting part;

the positioning disc is detachably connected to the positioning ring, and when the positioning disc is connected to the positioning ring, the positioning block is located on a moving path of the vernier.

2. The detection device as claimed in claim 1, wherein the fixing member comprises:

the main ruler is arranged in the sliding groove in a sliding mode, and the size of the main ruler in the depth direction of the sliding groove is larger than the depth of the sliding groove;

the gland is positioned on one side, away from the sliding groove, of the main ruler;

the first screw is in threaded connection with the gland and the fixing body along the depth direction of the sliding groove.

3. The detecting device according to claim 2, wherein a threaded hole is formed in a side wall of the slide groove, and the fixing member further includes:

and the second screw is in threaded connection with the threaded hole in the side wall of the sliding chute.

4. The detecting device for detecting the rotation of a motor rotor according to claim 1, wherein the wear resistance of the positioning ring is higher than that of the supporting frame, and the wear resistance of the positioning block is higher than that of the supporting frame.

5. The probe apparatus of claim 1, wherein the puck comprises:

the first disc body is connected to the second end of the supporting rod, and the radius of the first disc body is larger than that of the inner ring of the positioning ring;

the second disc body is connected to one end, far away from the supporting rod, of the first disc body, and the second disc body can be sleeved in the positioning ring in a matching mode.

6. The detection device of claim 1, wherein the support frame further comprises:

the supporting ring is fixed on the base, and the positioning ring is positioned on one side of the supporting ring, which is far away from the base;

the third screws are in threaded connection with the positioning ring and the supporting ring along the distribution direction of the positioning ring and the supporting ring;

and the positioning pins are pinned and connected to the positioning ring and the supporting ring along the distribution directions of the positioning ring and the supporting ring.

7. The detecting device for detecting the rotation of a motor rotor as claimed in claim 1, wherein the supporting portion and the positioning block are formed with a slot at one end away from the base, and the slot is located on the sliding path of the main scale when the positioning disc is connected to the positioning ring.

8. The detection device according to claim 1, wherein the vernier comprises:

the sliding sleeve is sleeved on the main scale;

the stopping part is connected with the sliding sleeve, and when the positioning disc is connected with the positioning ring, the positioning block is positioned on the sliding path of the stopping part.

9. The detection device according to claim 1, wherein the support portion includes:

the first supporting plate is fixedly connected to the base, when the positioning disc is connected to the positioning ring, the plane of the first supporting plate is intersected with the extension direction of the main ruler, and the positioning block is connected to the first supporting plate;

the second supporting plate is fixedly connected with the base and the first supporting plate, the plane where the second supporting plate is located is intersected with the plane where the first supporting plate is located, the second supporting plate is in a right trapezoid shape, the long bottom of the second supporting plate is fixedly connected with the base, and the right-angle side of the second supporting plate is fixedly connected with the first supporting plate.

10. A method for detecting a space of a drawbar seat, applying the detection device as claimed in any one of claims 1 to 9, wherein a spring seat is disposed at one side of the drawbar seat, the method comprising:

calibrating the detection assembly with the calibration assembly;

and connecting the positioning disc to the spring seat in a matching manner, and detecting the distance between the pull rod seat and the spring seat by using a detection assembly.

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