CN219890385U - Surface height difference measuring device for countersunk head bolt - Google Patents

Abstract

The utility model discloses a surface height difference measuring device for countersunk head bolts, belongs to the technical field of depth measuring tools, and solves the technical problems that the existing method for measuring the height difference between a resin plate and countersunk head bolts is low in efficiency and easy to have errors. The measuring device comprises a connecting rod, a sliding sleeve and a measuring rod, wherein the sliding sleeve is arranged at one end of the connecting rod, a through hole is formed in the sliding sleeve, and the length direction of the through hole is perpendicular to the length direction of the connecting rod; the measuring rod slides and sets up in the through-hole, and the top outer wall of measuring rod is provided with the piece that blocks, and the outer wall of measuring rod is provided with the reflection of light subsides, and the reflection of light is pasted and is located the piece below that blocks, blocks and the reflection of light pastes the interval between the top. The utility model has high measuring efficiency and small error, and the safety of the measuring process of operators is improved.

Description

Surface height difference measuring device for countersunk head bolt

Technical Field

The utility model belongs to the technical field of depth measuring tools, and particularly relates to a surface height difference measuring device for countersunk bolts.

Background

In order to prevent the lower surface of the strip steel from scratch defect, 4 resin plates are respectively arranged on the surfaces of the outlet lower wiper plate and the outlet lower guide plate of the finish rolling end rack through a plurality of countersunk bolts, and the number of countersunk bolts used for each resin plate is 4 to 6 because the size and the shape of each resin plate are different.

In order to prevent the scratch defect on the surface of the strip steel caused by friction between the up-and-down fluctuation and the countersunk head bolts after the strip steel is in a wave shape, the height difference between the top surface of the countersunk head bolts of the resin plate and the top surface of the resin plate is required to be larger than a certain value, and the height difference is required to be larger than or equal to 3mm in actual production. Due to the vibration of the equipment, the countersunk head bolts on the resin plate are easy to loosen and fall off; in addition, because the resin plate is softer than the strip steel, the abrasion is larger after long-time use, and therefore, each roll changing period of the finishing mill group is required to detect the height difference between the top surface of the countersunk head bolt of the final stand outlet resin plate and the top surface of the resin plate, and the distance between the countersunk head bolt of the resin plate and the top surface of the resin plate is prevented from being less than 3mm.

Aiming at the height difference between the top surface of the countersunk head bolt of the resin plate at the outlet of the measuring end rack and the top surface of the resin plate, referring to fig. 1, a worker can probe into a measuring position by using a single-hand steel tape to measure, but the surrounding environment of the measuring position is narrow, the light is dark, the measured values are not easy to read, the time consumption is long, the efficiency is low, the measuring error is large one by one, and once equipment malfunction occurs, the worker is inconvenient to avoid and withdraw, and accidents are easy to cause.

Disclosure of Invention

The utility model aims to at least solve the technical problems that the existing measuring resin plate and countersunk head bolts are low in height difference efficiency and easy to have errors to a certain extent.

The technical scheme of the utility model is as follows:

a surface height difference measuring device for countersunk head bolts includes:

a connecting rod is arranged on the connecting rod,

the sliding sleeve is arranged at one end of the connecting rod, a through hole is formed in the sliding sleeve, and the length direction of the through hole is perpendicular to the length direction of the connecting rod;

the measuring rod is arranged in the through hole in a sliding mode, a blocking piece is arranged on the outer wall of the top end of the measuring rod, a reflective patch is arranged on the outer wall of the measuring rod, the reflective patch is located below the blocking piece, and a distance is reserved between the blocking piece and the top end of the reflective patch.

In some embodiments, the measuring device further comprises a positioning member disposed outside the sliding sleeve, wherein a bottom surface of the positioning member is located on the same plane as a bottom surface of the sliding sleeve.

In some embodiments, the positioning piece comprises an arc-shaped plate, a connecting piece is arranged between the arc-shaped plate and the sliding sleeve, and two ends of the connecting piece are fixedly connected with the arc-shaped plate and the outer wall of the sliding sleeve respectively.

In some embodiments, the positioning member comprises at least two flat plates, and each flat plate is connected with the sliding sleeve through a connecting member.

In some embodiments, the top end of the positioning member is fixedly connected with the bottom surface of the connecting member.

In some embodiments, the top end of the positioning piece is fixedly connected with the middle part of the bottom surface of the connecting piece.

In some embodiments, the height of the positioning member is less than the height of the top end of the sliding sleeve.

In some embodiments, the spacing between the barrier and the reflector tip is a standard value for surface elevation differences.

In some embodiments, the outer wall of the bottom end of the measuring rod is also provided with a blocking member, and the sliding sleeve is positioned between the two blocking members.

In some embodiments, the blocking member comprises two stoppers, the two stoppers being disposed opposite to each other at both ends of the outer circumferential wall of the measuring rod.

The embodiment of the utility model has at least the following beneficial effects:

according to the technical scheme, the measuring device disclosed by the utility model has the advantages that through the cooperation of the connecting rod, the sliding sleeve and the measuring rod, an operator does not need to climb into the finish rolling end frame, the surface height difference between the countersunk head bolt and the resin plate can be measured by being directly positioned outside the finish rolling end frame, the measuring efficiency is high, the error is small, and the safety of the measuring process of the operator is improved.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some embodiments of the present utility model and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 shows a schematic measurement diagram in the background of the utility model;

FIG. 2 shows a schematic measurement diagram of a measurement device in an embodiment of the utility model;

FIG. 3 shows a schematic diagram of the measuring device of FIG. 2;

FIG. 4 shows a schematic structural view of the measuring device of FIG. 3 from another perspective;

FIG. 5 is a schematic diagram showing a structure of a measuring device in an embodiment of the utility model, wherein the measured surface height difference is not satisfactory;

FIG. 6 is a schematic diagram showing a structure of a measuring device according to the present utility model, wherein the surface height difference measured by the measuring device meets the requirements;

the marks in the figure: 1-reflection patch, 2-blocking piece, 3-measuring rod, 4-sliding sleeve, 5-connecting rod, 6-connecting piece, 7-positioning piece, 8-finish rolling end frame and 9-resin plate.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Furthermore, the present utility model may repeat reference numerals and/or letters in the various examples, which are for the purpose of brevity and clarity, and which do not themselves indicate the relationship between the various embodiments and/or arrangements discussed. In addition, the present utility model provides examples of various specific processes and materials, but one of ordinary skill in the art will recognize the application of other processes and/or the use of other materials.

Because in the finish rolling replacement work process, the time from the drawing of the last frame working roll to the beginning of loading of a new roll is only about 35 seconds, an operator generally measures the height difference between the top surface of the resin plate and the top surface of the countersunk head bolt by utilizing the gap between the replacement working roll, and the existing measurement mode has low efficiency and affects the operation rate of the finishing mill group.

The utility model is described below with reference to specific embodiments in conjunction with the accompanying drawings:

as shown in fig. 2-6, the present embodiment provides a surface height difference measuring device for a countersunk head bolt, which includes a connecting rod 5, a sliding sleeve 4 and a measuring rod 3, wherein the length of the connecting rod 5 can be set according to the measurement requirement, and of course, the connecting rod 5 can be set as a telescopic straight rod, so that an operator can adjust according to the requirement. The sliding sleeve 4 is arranged at one end of the connecting rod 5, and the other end of the connecting rod 5 is a holding part of an operator. Be provided with the through-hole on the sliding sleeve 4, the length direction of through-hole is perpendicular to the length direction of connecting rod 5, and measuring rod 3 is the cylinder, and measuring rod 3's size is less than or slightly less than the through-hole size to make measuring rod 3 can slide in the through-hole smoothly, of course, the size of the mounting hole that is used for installing countersunk head bolt on the resin board 9 is greater than the size of measuring rod 3 bottom, so that the bottom of measuring rod 3 can stretch into in the mounting hole and with countersunk head bolt's top surface contact.

The measuring rod 3 slides and sets up in the through-hole, the top outer wall of measuring rod 3 is provided with and blocks piece 2 to restriction measuring rod 3, avoid using measuring device's in-process measuring rod 3 and sliding sleeve 4 separation, measuring rod 3's outer wall is provided with and reflects light subsides 1, reflects light subsides 1 and is located and blocks piece 2 below, blocks and has the interval between piece 2 and the 1 top of reflecting light subsides, and the size of interval is the standard value of the surface altitude difference between countersunk head bolt top surface and the resin board 9 top surface, and the operation personnel can set for the concrete size of interval according to actual production demand.

Referring to fig. 2, it can be understood that when an operator measures the surface height difference of the countersunk head bolt, the operator holds one end of the measuring rod 3 to extend the sliding sleeve 4 and the measuring rod 3 above the resin plate 9, aligns the bottom end of the measuring rod 3 to the top surface of the countersunk head bolt, then attaches the bottom surface of the sliding sleeve 4 to the top surface of the resin plate 9, attaches the bottom end of the measuring rod 3 to the top surface of the countersunk head bolt, and referring to fig. 5 and 6, the operator can judge whether the height difference between the top surface of the resin plate 9 and the top surface of the countersunk head bolt meets the requirement by observing whether the outer wall of the measuring rod 3 above the sliding sleeve 4 is exposed or not, specifically, if the operator observes that the height difference between the top surface of the resin plate 9 and the top surface of the countersunk head bolt is smaller than the standard height difference by observing that the reflecting point reflected by the reflecting patch 1 is present above the sliding sleeve 4. Of course in the use, the operating personnel also can paste the bottom surface of sliding sleeve 4 with the top surface of resin board 9 mutually earlier, rethread connecting rod 5 promotes sliding sleeve 4 and removes near countersunk head bolt, when measuring rod 3 is located countersunk head bolt top, measuring rod 3 will descend under the effect of gravity and with countersunk head bolt contact, cooperation through connecting rod 5, sliding sleeve 4 and measuring rod 3 for the operating personnel need not to climb to finish rolling end frame 8 in, directly lie in finish rolling end frame 8 can measure the surface difference of height between countersunk head bolt and the resin board 9, measurement of efficiency is high, the axis of the through-hole of sliding sleeve 4 remains perpendicularly with the top surface of resin board 9, measurement accuracy is high, and operating personnel's measurement process's security promotes.

Referring to fig. 3 and 4, in order to enable the axis of the through hole of the sliding sleeve 4 to be kept perpendicular to the top surface of the resin plate 9 during measurement, in this embodiment, the measuring device further includes a positioning member 7, the positioning member 7 is disposed outside the sliding sleeve 4, the bottom surface of the positioning member 7 is located on the same plane as the bottom surface of the sliding sleeve 4, and the contact area between the measuring device and the top surface of the resin plate 9 is increased by the positioning member 7, so that it is beneficial to keep the axis of the through hole of the sliding sleeve 4 perpendicular to the resin plate 9. Meanwhile, as the locating piece 7 is positioned outside the sliding sleeve 4 and is provided with a gap with the sliding sleeve 4, the capability of keeping stability when the measuring device is contacted with the resin plate 9 can be further improved, and errors caused by operators can be reduced. The height of the positioning piece 7 is lower than the height of the top end of the sliding sleeve 4 so as to avoid shielding the sight of operators.

Still further, referring to fig. 3, the positioning member 7 includes an arc plate, the arc plate is not easy to deform, this makes the arc plate bottom surface be located same bottom surface with the bottom surface of sliding sleeve 4, avoids sliding sleeve 4 to incline, reduces measuring error, is provided with connecting piece 6 between arc plate and the sliding sleeve 4, and the both ends of connecting piece 6 are respectively with arc plate and sliding sleeve 4 outer wall fixed connection.

Of course, as another embodiment, the positioning member 7 includes at least two flat plates, and the two flat plates may be disposed on opposite sides of the sliding sleeve 4, so as to increase the stability of the measuring device when contacting the resin plate 9 through three bottom surfaces. Each flat plate is connected with the sliding sleeve 4 through a connecting piece 6.

The connecting piece 6 can be a rod-shaped or plate-shaped hard plate, and the top end of the positioning piece 7 is fixedly connected with the bottom surface of the connecting piece 6, namely, the connecting piece 6 is positioned at the top end of the positioning piece 7, so that the connecting piece 6 can limit the positioning piece 7, and in the long-time use process, if the connecting piece 6 or the positioning piece 7 deforms, an operator can acquire the deformation degree through observing the shape of the connecting piece 6 and the included angle between the connecting piece 6 and the sliding sleeve 4, and further maintain the measuring device.

Furthermore, the top end of the positioning piece 7 is fixedly connected with the middle part of the bottom surface of the connecting piece 6, when the positioning piece 7 is stressed and generates stress on the connecting piece 6, the connecting piece 6 is not easy to deform, the frequency of maintaining the measuring device can be reduced, and the measuring efficiency is further improved.

The bottom outer wall of measuring stick 3 also is provided with and blocks piece 2, and sliding sleeve 4 is located between two and blocks piece 2, no matter measuring device is in the state of use promptly, and measuring stick 3 is difficult for separating with sliding sleeve 4, and the operating personnel of being convenient for accomodate and carry.

Referring to fig. 4, the blocking member 2 includes two stoppers, which are disposed at two ends of the outer circumferential wall of the measuring rod 3, and as an implementation manner, two opposite sides of the outer wall of the measuring rod 3 are provided with internal threaded holes, and the stoppers may be nuts of screws, and the screws are screwed with the internal threaded holes.

In the present utility model, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise" indicate orientations or positional relationships are based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present utility model and simplify 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 therefore should not be construed as limiting the present utility model.

It should be noted that all the directional indicators in the embodiments of the present utility model are only used to explain the relative positional relationship, movement conditions, etc. between the components in a specific posture, and if the specific posture is changed, the directional indicators are correspondingly changed.

In the present utility model, unless specifically stated and limited otherwise, the terms "connected," "affixed," and the like are to be construed broadly, and for example, "affixed" may be a fixed connection, a removable connection, or an integral body; can be mechanically or electrically connected; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

Furthermore, descriptions such as those referred to as "first," "second," and the like, are provided for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implying an order of magnitude of the indicated technical features in the present disclosure. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more of the described features. In the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.

In the description of the present specification, a description referring to terms "one embodiment," "some embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present utility model. In this specification, schematic representations of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Further, one skilled in the art can engage and combine the different embodiments or examples described in this specification.

In addition, the technical solutions of the embodiments may be combined with each other, but it is necessary to base that the technical solutions can be realized by those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent and not within the scope of protection claimed in the present utility model.

While embodiments of the present utility model have been shown and described, it will be understood by those of ordinary skill in the art that: many changes, modifications, substitutions and variations may be made to the embodiments without departing from the spirit and principles of the utility model, the scope of which is defined by the claims and their equivalents.

Claims (10)

1. The utility model provides a countersunk head is surface height difference measuring device for bolt which characterized in that includes:

a connecting rod is arranged on the connecting rod,

the sliding sleeve is arranged at one end of the connecting rod, a through hole is formed in the sliding sleeve, and the length direction of the through hole is perpendicular to the length direction of the connecting rod;

the measuring rod is arranged in the through hole in a sliding mode, a blocking piece is arranged on the outer wall of the top end of the measuring rod, a reflective patch is arranged on the outer wall of the measuring rod, the reflective patch is located below the blocking piece, and a distance is reserved between the blocking piece and the top end of the reflective patch.

2. The surface level difference measuring device for a countersunk head bolt, as set forth in claim 1, further comprising a positioning member disposed outside the sliding sleeve, wherein a bottom surface of the positioning member is located on the same plane as a bottom surface of the sliding sleeve.

3. The surface height difference measuring device for countersunk head bolts according to claim 2, wherein the positioning piece comprises an arc-shaped plate, a connecting piece is arranged between the arc-shaped plate and the sliding sleeve, and two ends of the connecting piece are fixedly connected with the arc-shaped plate and the outer wall of the sliding sleeve respectively.

4. The surface level difference measuring device for a countersunk head bolt, as claimed in claim 2, wherein said positioning member includes at least two flat plates, each of which is connected to said sliding sleeve by a connecting member.

5. The surface level difference measuring device for a countersunk head bolt, as set forth in claim 3 or 4, wherein the top end of the positioning member is fixedly connected to the bottom surface of the connecting member.

6. The surface level difference measuring device for a countersunk head bolt, as set forth in claim 5, wherein the top end of the positioning member is fixedly connected with the middle portion of the bottom surface of the connecting member.

7. The surface level difference measuring device for countersunk head bolts according to claim 2, wherein the height of the positioning member is lower than the height of the top end of the slide sleeve.

8. The surface level difference measuring device for countersunk head bolts according to claim 1, wherein the distance between the blocking member and the top end of the light reflecting paste is a standard value of the surface level difference.

9. The surface level difference measuring device for countersunk head bolts according to claim 1, wherein the outer wall of the bottom end of the measuring rod is also provided with a blocking member, and the sliding sleeve is located between the two blocking members.

10. The surface level difference measuring device for a countersunk head bolt according to claim 1 or 9, wherein the blocking member includes two stoppers, the two stoppers being oppositely provided at both ends of the outer circumferential wall of the measuring rod.