CN114046713B - Leveling device suitable for height difference of inner and outer parts - Google Patents
Leveling device suitable for height difference of inner and outer parts Download PDFInfo
- Publication number
- CN114046713B CN114046713B CN202111350034.XA CN202111350034A CN114046713B CN 114046713 B CN114046713 B CN 114046713B CN 202111350034 A CN202111350034 A CN 202111350034A CN 114046713 B CN114046713 B CN 114046713B
- Authority
- CN
- China
- Prior art keywords
- parallel
- height difference
- detection
- leveling device
- parts
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B5/00—Measuring arrangements characterised by the use of mechanical techniques
- G01B5/02—Measuring arrangements characterised by the use of mechanical techniques for measuring length, width or thickness
- G01B5/06—Measuring arrangements characterised by the use of mechanical techniques for measuring length, width or thickness for measuring thickness
- G01B5/061—Measuring arrangements characterised by the use of mechanical techniques for measuring length, width or thickness for measuring thickness height gauges
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P19/00—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes
Abstract
The invention relates to a measuring tool for assembling parts, in particular to a leveling device suitable for the height difference of inner and outer parts, which is used for leveling a part group matched with the inner and outer parts together, wherein the part group comprises a first part and a second part which are mutually inner and outer, and the leveling device levels the surfaces to be parallel of the first part and the second part; the leveling device comprises at least three reference parts, at least three detection parts and an adjusting component. The reference part is used for determining a reference surface, the detection part is used for determining a detection surface which is coincident with or parallel to the reference surface, and the detection surface is used for being coincident with or parallel to a surface to be parallel of the second part; the adjusting component is used for abutting or touching the second part to reduce the included angle between the surface to be parallel of the first part and the surface to be parallel of the second part. The detection surface is adjusted by the control and adjustment assembly, and the included angle between the detection surface and the reference surface is reduced, so that the detection surface and the reference surface tend to be parallel to each other, and the high-precision requirement for controlling the small height difference is met.
Description
Technical Field
The invention relates to a measuring tool for assembling parts, in particular to a leveling device suitable for height differences of inner and outer parts.
Background
In the production process of manufacturing industry, the requirements of high-precision height difference measurement and leveling during the matching of the inner part and the outer part can be met, the height difference of the inner part and the outer part during the matching of the product is required to be high in precision, and the height difference of the inner part and the outer part is between 0.01mm and 0.05 mm. The assembly process mainly has two difficulties: firstly, measuring, namely measuring four directions of the end face circumference of a product in real time in the assembly process, and checking whether the height difference meets the requirement or not; secondly, leveling, because the height difference requirement is higher, the product contact surface is arc, and operating personnel is difficult to satisfy the precision requirement through the mode of finger pressing adjustment, and is higher to operating personnel skill requirement.
Disclosure of Invention
The invention aims at providing a leveling device suitable for the height difference of an inner part and an outer part, which is expected to level the inner part and the outer part under the condition that the inner part and the outer part are required to be subjected to small height difference. The invention also provides a method for leveling the height difference of the inner and outer parts, and leveling the end surfaces of the inner and outer parts which are matched together and have small height difference.
The invention provides a leveling device suitable for the height difference of an inner part and an outer part, which is used for leveling a part group matched with the inner part and the outer part, wherein the part group comprises a first part and a second part which are mutually inner part and outer part, and the leveling device is used for leveling surfaces to be parallel of the first part and the second part; the leveling device comprises at least three reference parts, at least three detection parts and an adjusting assembly.
The at least three reference parts are used for determining a reference surface which is coincident with the surface to be parallel of the first part; the at least three detection parts are used for determining detection surfaces which are coincident with or parallel to the reference surface, and the detection surfaces are coincident with or parallel to the surface to be parallel to the second part; the adjusting component is used for abutting or touching the second part and driving the second part according to the difference information of the coincidence degree of the detection surface and the reference surface so as to reduce the included angle between the surface to be parallel of the first part and the surface to be parallel of the second part.
The leveling device is particularly suitable for the inner and outer parts with small height difference. When the leveling device is used, the reference part is attached to the surface to be parallel of the first part, the surface to be parallel of the first part or the plane where the at least three reference parts are located is used as the reference surface, then the detection part is attached to or abutted to the surface to be parallel of the second part, the detection surface is adjusted through the control and adjustment assembly through detecting or observing the parallelism difference between the detection surface and the reference surface, the included angle between the detection surface and the reference surface is reduced, and therefore the situation that the detection surface and the reference surface tend to be parallel is controlled, the high-precision requirement for controlling small height difference is achieved, and compared with the mode of manual pressing and single-point measurement, the leveling device is more convenient to operate and improves the leveling measurement efficiency. Of course, for the condition that the parallel surfaces of the first part and the second part are flush or coincident, that is, if no height difference is required, a flat plate can be directly adopted to level the two parts, and the leveling device can also be adopted.
Further, in some possible embodiments of the invention, the leveling device comprises a measuring scale and a dial gauge set; the measuring ruler is provided with the reference parts for abutting against the first part in the part group, and the reference parts are positioned on at least three different positions on the same plane on the measuring ruler; the dial indicator group at least comprises three dial indicators which are respectively arranged at three different installation positions on the measuring ruler, zero point calibration points of each dial indicator are positioned in the same plane, and a measuring head of each dial indicator is the detecting part; the adjusting component is movably connected to the measuring ruler and is used for driving the second part when the adjusting component is moved according to the measuring condition of the dial indicator group so as to level the second part and the first part.
In the case of adjusting a small height difference, a plurality of dial indicators are preferably used to determine the detection surface. After the dial indicator is calibrated, the plane where the measuring heads of the at least three dial indicators are positioned is determined to be parallel to the reference plane, then the measuring heads of the dial indicator are abutted against the parallel plane of the second part, at the moment, the plane where the measuring heads of the dial indicator are positioned is the detection plane, the adjusting assembly is controlled to adjust the second part, the detection plane tends to be parallel to the reference plane, and the height difference measurement adjustment precision can reach 0.01mm.
Further, in some possible embodiments of the present invention, the reference portion is a planar boss extending toward the component set and distributed on the measuring scale. A convex part with a height difference is formed on the measuring ruler, the part, namely the plane boss, is tightly attached to the surface to be parallel of the first part, and meanwhile, a certain distance is kept between other parts of the measuring ruler and the part group.
Further, in some possible embodiments of the present invention, the adjusting assembly includes at least three adjusting units distributed at different positions on the measuring scale, and the adjusting units are close to the dial indicators and are arranged in a one-to-one correspondence with the dial indicators. The corresponding adjustment is conveniently carried out according to the position of the second part correspondingly detected from the single dial indicator, so that the adjustment work is more convenient.
Further, in some possible embodiments of the present invention, the measuring scale is provided with a first mounting hole, and the adjusting unit is disposed in the first mounting hole in a penetrating manner; the adjusting unit comprises a push rod and a pressing piece, the pressing piece is arranged at the lower end of the push rod and exposed out of the lower side of the measuring ruler, and the upper end of the push rod is exposed out of the upper side of the measuring ruler; the ejector rod is in threaded connection with the first mounting hole.
Further, in some possible embodiments of the present invention, the lower end of the ejector rod is a spherical end or a spherical crown end or a cylindrical or disk shape; the pressing piece comprises a sleeve and a base; the base is provided with a groove which is matched with and abutted against the lower end of the ejector rod, the base is fixedly connected with the sleeve, and the base and the sleeve are folded to form a structure which wraps the lower end of the ejector rod.
The ejector rod is abutted to the groove in a non-fixed connection mode, so that the ejector rod can be conveniently installed, the ejector rod is conveniently controlled, the ejector rod is matched with the first mounting hole in a threaded mode, the ejector rod is rotated, and the lower end of the ejector rod can smoothly rotate in the groove.
Further, in some possible embodiments of the present invention, a lubricant is filled between the contact surface of the lower end of the ejector pin and the groove. The lubricious material may be a grease.
Further, in some possible embodiments of the present invention, a second mounting hole is provided on the measuring scale, and the shaft sleeve of the dial indicator is penetrated and fitted in the second mounting hole; the measuring ruler is further provided with a third mounting hole communicated with the second mounting hole, and a jacking screw which extends to the second mounting and is used for abutting the shaft sleeve is arranged in the third mounting hole in a penetrating mode. Thus, the height position of the dial indicator on the second mounting hole is convenient to adjust.
Further, in some possible embodiments of the present invention, the measuring scale includes at least three struts, a guide rail extending along the strut is provided on the struts, a sliding table is provided on the guide rail, and the reference portion and the detecting portion are provided on each sliding table. Through setting up the guide rail, in order to conveniently adjust according to the size of inside and outside cooperation part of difference like this, improve this levelling device's application scope.
Further, in some possible embodiments of the present invention, the measuring scale is a cross, the reference parts and the detecting parts are all distributed on four ends of the cross measuring scale, and the reference parts and the detecting parts are in one-to-one correspondence; the upper side of the middle part of the measuring ruler is provided with a hanging ring. The measuring ruler in a cross shape is adopted, and 4 measuring points can be measured and leveled at the same time.
In another aspect of the invention, a method for leveling the height difference of the inner and outer parts is provided, and the method adopts the leveling device suitable for the height difference of the inner and outer parts and the improvement scheme thereof to level the end surfaces of the parts matched together.
By adopting the method for leveling the height difference of the inner and outer parts, the inner and outer parts with small height difference matched together can be adjusted, compared with the modes of manual pressing and single-point measurement, the method is more convenient to operate, and the efficiency of measuring and leveling is improved.
Compared with the prior art, the invention has the following advantages and beneficial effects:
through adopting this leveling device suitable for inside and outside part difference in height, control adjustment subassembly adjusts the detection face, reduces the contained angle of detection face and reference surface to reach control detection face and reference surface trend parallel, with reaching the high accuracy requirement of the little difference in height of control, compare in manual pressing, single-point measuring mode, the operation is more convenient, improved the efficiency of measuring the leveling.
Drawings
In order to more clearly illustrate the technical solutions of the exemplary embodiments of the present invention, the drawings that are needed in the examples will be briefly described below, it being understood that the following drawings only illustrate some examples of the present invention and therefore should not be considered as limiting the scope, and that other related drawings may be obtained from these drawings without inventive effort for a person skilled in the art. In the drawings:
fig. 1 is a schematic view showing a structure of a leveling device suitable for height difference between inner and outer parts for explaining any one of embodiments 1 to 7;
fig. 2 is a schematic structural view for explaining an adjusting unit according to any one of embodiments 1 to 7;
fig. 3 is a schematic exploded view for explaining an adjustment assembly of any one of embodiments 1 to 7;
FIG. 4 is a schematic diagram for explaining a set of measurement leveling units in example 4;
FIG. 5 is a schematic view showing the structure of a leveling device for height difference between inner and outer parts according to example 8;
FIG. 6 is a schematic view for explaining the use of the leveling device for height difference of inner and outer parts according to embodiment 9;
in the drawings, the reference numerals and corresponding part names:
the measuring instrument comprises a 1-measuring ruler, a 101-reference part, a 110-first mounting hole, a 120-second mounting hole, a 130-supporting rod, a 140-guide rail, a 150-sliding table, a 2-dial indicator, a 210-detecting part, a 3-adjusting unit, a 310-supporting rod, a 320-pressing part, a 321-sleeve, a 322-base, a 4-jacking screw, a 5-hanging ring, a 6-first part and a 7-second part.
Detailed Description
For the purpose of making apparent the objects, technical solutions and advantages of the present invention, the present invention will be further described in detail with reference to the following examples and the accompanying drawings, wherein the exemplary embodiments of the present invention and the descriptions thereof are for illustrating the present invention only and are not to be construed as limiting the present invention.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. However, it will be apparent to one of ordinary skill in the art that: no such specific details are necessary to practice the invention. In other instances, well-known structures, circuits, materials, or methods have not been described in detail in order not to obscure the invention.
Throughout the specification, references to "one embodiment," "an embodiment," "one example," or "an example" mean: a particular feature, structure, or characteristic described in connection with the embodiment or example is included within at least one embodiment of the invention. Thus, the appearances of the phrases "in one embodiment," "in an example," or "in an example" in various places throughout this specification are not necessarily all referring to the same embodiment or example. Furthermore, the particular features, structures, or characteristics may be combined in any suitable combination and/or sub-combination in one or more embodiments or examples. Moreover, those of ordinary skill in the art will appreciate that the illustrations provided herein are for illustrative purposes and that the illustrations are not necessarily drawn to scale. The term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.
In the description of the present invention, the terms "front", "rear", "left", "right", "upper", "lower", "vertical", "horizontal", "high", "low", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, merely to facilitate description of the present invention and simplify 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 scope of the present invention.
Example 1
Referring to fig. 1 to 4, aiming at the requirements of high-precision height difference measurement and leveling when the inner and outer parts are matched at present, the requirement of the height difference is higher, the contact surface of the product is arc-shaped, the precision requirement is difficult to be met by an operator in a finger pressing adjustment mode, and the requirement on the skill of the operator is higher. The leveling device is suitable for the height difference of the inner part and the outer part and is used for leveling the part group matched with the inner part and the outer part, the part group comprises a first part 6 and a second part 7 which are mutually inner part and outer part, and the leveling device levels the surfaces to be parallel of the first part 6 and the second part 7. As shown in fig. 1, the first part 6 and the second part 7 are in a spherical crown structure, the second part 7 is abutted against the inner side of the first part 6, and in ideal conditions, a very small height difference exists between the end face of the first part 6 and the end face of the second part 7, and the height difference is-0.01 mm for the embodiment in order to meet the high requirement.
The leveling device for the difference in height between the inner and outer parts described above in this embodiment 1 includes three reference portions 101, three detection portions 210, and an adjustment unit.
The three reference parts 101 are used for determining a reference plane which is coincident with the plane to be parallel of the first part 6; the three detecting parts 210 are used for determining a detecting surface which is coincident with or parallel to the reference surface, and the detecting surface is coincident with or parallel to the surface to be parallel of the second part 7; the adjusting component is used for abutting against or touching the second part 7, and driving the second part 7 according to the difference information of the coincidence degree of the detection surface and the reference surface, so that the included angles between the surface to be parallel of the first part 6 and the surface to be parallel of the second part 7 are reduced.
The detection unit 210 may further include a means for displaying the difference in height between the detection points and the reference plane, and this arrangement may be used to control the adjustment point more accurately according to the instantaneous change of the other measurement points when one of the measurement points is adjusted, so that the leveling device may achieve higher leveling accuracy, compared with the manual pressing and single-point measurement.
The reference portion 101 may be disposed on a flat plate, a flat bar, a bifurcated flat bracket, a side of a block structure, etc., so long as it is a supporting object capable of supporting the reference portion 101, the detecting portion 210 may be a measuring head of a dial indicator 2 movably disposed on the supporting object, so as to facilitate observation and detection of a height deviation, and may be a movable ruler movably disposed on the supporting object, the movable ruler is disposed perpendicular to the detecting surface, and the structure is simple, etc. by observing a scale position corresponding to a portion of the movable ruler extending out of the supporting object. Of course, a laser ranging sensor may be further provided, and by providing three laser ranging sensors with signal receiving and transmitting ends in a plane parallel to the reference plane, the distance between the signal receiving and transmitting ends and the second part 7 is accurately detected, and then the distance is adjusted by the adjusting component, where the detecting portion 210 may be regarded as a detecting point where the signal receiving and transmitting ends strike the second part 7.
Example 2
Referring to fig. 1 to 4, on the basis of embodiment 1, the leveling device described above includes a measuring scale 1 and a dial gauge set; the measuring scale 1 is provided with the reference part 101 for abutting against the first part 6 in the part group, and the reference part 101 is positioned at three different positions on the measuring scale 1, which are positioned on the same plane; the dial indicator group comprises three dial indicators 2 which are respectively arranged at three different installation positions on the measuring ruler 1, zero point calibration points of each dial indicator 2 are positioned in the same plane, and a measuring head of each dial indicator 2 is the detecting part 210; the adjusting component is movably connected to the measuring scale 1, and is used for driving the second part 7 when the adjusting component is moved according to the measuring condition of the dial indicator set, so that the second part 7 and the first part 6 are leveled.
In the case of adjusting the minute height difference, a plurality of dial indicators 2 are preferably used to determine the detection surface.
The installation position of the dial indicator 2 can be set in advance according to the style of the second part 7, the dial indicator 2 can be installed by arranging an installation hole site on the measuring scale 1, the shaft sleeve of the dial indicator 2 can be fixed on the hole site, the dial indicator 2 can be fixed on the side part of the measuring scale 1 through the support of the accessory, and the like, and the dial indicator 2 can be installed and fixed only by being firmly arranged on the measuring scale 1. When the dial indicator 2 is provided, the measuring head of the dial indicator 2 should exceed the lower plate surface of the measuring scale 1 so that the second part 7 can be abutted by the measuring head of the dial indicator 2 when the reference part 101 contacts the first part 6.
After the dial indicator 2 is calibrated, the plane where the measuring heads of the three dial indicators 2 are located is determined to be parallel to the reference plane, then the measuring heads of the dial indicators 2 are abutted against the parallel plane with the second part 7, at the moment, the plane where the measuring heads of the dial indicators 2 are located is the detection plane, the adjusting assembly is controlled to adjust the second part 7, the detection plane tends to be parallel to the reference plane, and the height difference measurement adjustment precision can reach 0.01mm.
Example 3
Referring to fig. 1 to 4, in the embodiment 2, the reference portion 101 is a planar boss extending in the direction of the component group and distributed on the measuring scale 1. So as to form a protruding part with a height difference on the measuring scale 1, the part, namely the plane boss, is tightly attached to the surface to be parallel of the first part 6, and meanwhile, other parts of the measuring scale 1 are kept at a certain distance from the part group.
The first step is to enlarge the distance between the measuring ruler 1 and the second part 7, and also to independently set a plane boss, so that during machining, the plane boss can be machined only with higher accuracy and higher standard flatness, the whole measuring ruler 1 is prevented from being finished, and the determined reference surface is more reliable when the reference part 101 is attached to the first part 6.
Example 4
Referring to fig. 1 to 4, the adjustment assembly comprises three adjustment units 3 distributed at different positions on the measuring scale 1, wherein the adjustment units 3 are close to the dial indicators 2 and are arranged in one-to-one correspondence with the dial indicators 2, based on the embodiment 2 or 3. The corresponding adjustment is conveniently carried out according to the position of the second part 7 correspondingly detected from the single dial indicator 2, so that the adjustment work is more convenient.
Therefore, the dial indicator 2 and the adjusting unit 3 form a group of measuring and leveling units, and when the leveling is performed, the adjusting points (namely the contact points of the adjusting unit 3 and the second part 7) and the detecting points can be adjusted as corresponding as possible, so that the adjustment can be more accurate and convenient.
Example 5
Referring to fig. 1 to 4, in any one of embodiments 2 to 4, a first mounting hole 110 is provided in the measuring scale 1, and the adjusting unit 3 is disposed in the first mounting hole 110; the adjusting unit 3 comprises a push rod 310 and a pressing piece 320, wherein the pressing piece 320 is arranged at the lower end of the push rod 310 and is exposed out of the lower side of the measuring scale 1, and the upper end of the push rod 310 is exposed out of the upper side of the measuring scale 1; the jack 310 is screwed to the first mounting hole 110.
The high-precision leveling is realized by adopting a thread adjustment mode, and the leveling precision and the leveling efficiency can be adjusted by modifying the thread pitch according to the assembly technical requirement. The leveling mode may be that a transverse slot corresponding to a straight screwdriver is arranged at the upper end of the ejector rod 310, the straight screwdriver which is in butt joint with the groove is screwed to drive the ejector rod 310, and the ejector rod 310 pushes the pressing piece 320 to move through the lower end, so that leveling is achieved.
Example 6
Referring to fig. 1 to 4, in the embodiment 5, the lower end of the ejector rod 310 is a spherical end or a spherical crown end; the pressing member 320 includes a sleeve 321 and a base 322; the base 322 is provided with a groove adapted to and abutting against the lower end of the ejector rod 310, the base 322 is fixedly connected with the sleeve 321, and the base 322 and the sleeve 321 are folded to form a structure for wrapping the lower end of the ejector rod 310. The bottom surface of the base 322 of the pressing member 320 for contacting the second part 7 may be provided as a flat surface. The first mounting hole 110 may be provided as an upper portion provided with an internal thread, which is screw-fitted with the ejector rod 310, and a lower portion having a larger diameter than the upper portion for receiving the pressing member 320. The lower end of the ejector pin 310 may have a cylindrical shape or a disk shape.
The ejector rod 310 is abutted with the groove in a non-fixed connection manner, so that the ejector rod 310 can be conveniently installed, the ejector rod 310 can be conveniently controlled, the ejector rod 310 is matched with the first mounting hole 110 in a threaded manner, the ejector rod 310 is rotated, and the lower end of the ejector rod 310 can smoothly rotate in the groove.
Preferably, a lubricant is filled between the contact surface of the lower end of the push rod 310 and the groove. The lubricant may be a grease-like substance, such as a paint, or the like.
Example 7
Referring to fig. 1 to 4, on the basis of any one of embodiments 2 to 6, a second mounting hole 120 is provided in the measuring scale 1, and the sleeve of the dial indicator 2 is inserted into and fitted into the second mounting hole 120; the measuring scale 1 is further provided with a third mounting hole, the third mounting hole is communicated with the second mounting hole 120, and a tightening screw 4 extending to the second mounting hole for abutting against the shaft sleeve is arranged in the third mounting hole in a penetrating manner. The end of the tightening screw 4 abutting the sleeve is provided with a soft pad to protect the sleeve. When the dial indicator is used, after the position of the dial indicator 2 is determined, the jacking screw 4 is screwed down.
Example 8
Referring to fig. 5, in any one of embodiments 2 to 7, the measuring scale 1 includes three support rods 130, a guide rail 140 extending in the direction of the support rods 130 is provided on the support rods 130, a slide table 150 is provided on the guide rail 140, and the reference portion 101 and the detection portion 210 are provided on each slide table 150. Through setting up guide rail 140, in order to be convenient for adjust according to the size of inside and outside cooperation part of difference like this, improve this levelling device's application scope.
The guide rail 140 may be a sliding groove extending along the length direction of the supporting rod 130, or a sliding bar disposed at the side of the supporting rod 130, as shown in fig. 5, when the sliding bar is disposed, the sliding table 150 should ensure the stability of the sliding table 150, for example, one side of the sliding table 150 is in contact with the supporting rod 130 of the measuring scale 1, the supporting rod 130 prevents the sliding table 150 from rotating around the guide rail 140, and meanwhile, the contact between the sliding table 150 and the supporting rod 130 also provides a certain friction for fixing the position of the sliding table 150, and of course, other locking manners may be also provided, for example, another tightening screw capable of tightening the supporting rod 130 may be disposed on the sliding table 150.
Example 9
Referring to fig. 6, unlike the embodiments 1 to 8 described above, the reference parts 101 and the detection parts 210 of the present embodiment are all distributed on the four ends of the measuring scale 1 in a cross shape, and the reference parts 101 and the detection parts 210 are in one-to-one correspondence; the upper side of the middle part of the measuring ruler 1 is provided with a hanging ring 5. The measuring ruler 1 in a cross shape is adopted, and 4 measuring points can be measured and leveled at the same time. The hanging ring 5 is used for being convenient for an operator to hold, and is also convenient for hanging the leveling device through other tools under the condition that the whole leveling device is heavy.
The leveling device suitable for the height difference of the inner part and the outer part can be adopted to obtain a method for leveling the height difference of the inner part and the outer part, namely, the leveling device suitable for the height difference of the inner part and the outer part and the improvement scheme thereof are utilized to level the end surfaces of the parts matched together.
When the device is used, the reference part 101 is attached to the surface to be parallel of the first part 6, the surface to be parallel of the first part 6 or the plane where the three reference parts 101 are located is taken as the reference surface, the detection part 210 is attached to or abutted against the surface to be parallel of the second part 7, the detection surface is adjusted by controlling the adjusting component through detecting or observing the parallelism difference between the detection surface and the reference surface, and the included angle between the detection surface and the reference surface is reduced, so that the detection surface and the reference surface tend to be parallel to each other, and the high-precision requirement of controlling the small height difference is met. By adopting the method for leveling the height difference of the inner and outer parts, the inner and outer parts with small height difference matched together can be adjusted, compared with the modes of manual pressing and single-point measurement, the method is more convenient to operate, and the efficiency of measuring and leveling is improved.
The foregoing description of the embodiments has been provided for the purpose of illustrating the general principles of the invention, and is not meant to limit the scope of the invention, but to limit the invention to the particular embodiments, and any modifications, equivalents, improvements, etc. that fall within the spirit and principles of the invention are intended to be included within the scope of the invention.
Claims (9)
1. The leveling device is suitable for the height difference of the inner part and the outer part and is used for leveling the part group with the inner part and the outer part matched together, and is characterized in that the part group comprises a first part and a second part which are mutually inner part and outer part, and the leveling device levels the surfaces to be parallel of the first part and the second part;
the leveling device includes:
at least three reference parts for determining a reference surface which is coincident with the surface to be parallel of the first part;
the at least three detection parts are used for determining detection surfaces which are coincident with or parallel to the reference surface, and the detection surfaces are coincident with or parallel to the surface to be parallel to the second part; the method comprises the steps of,
the adjusting component is used for abutting or touching the second part and driving the second part according to the difference information of the coincidence degree of the detection surface and the reference surface so as to reduce the included angle between the surface to be parallel of the first part and the surface to be parallel of the second part;
the leveling device comprises a measuring ruler and a dial indicator group;
the measuring ruler is provided with the reference parts for abutting against the first part in the part group, and the reference parts are positioned on at least three different positions on the same plane on the measuring ruler;
the dial indicator group at least comprises three dial indicators which are respectively arranged at three different installation positions on the measuring ruler, zero point calibration points of each dial indicator are positioned in the same plane, and a measuring head of each dial indicator is the detecting part; wherein, the liquid crystal display device comprises a liquid crystal display device,
the adjusting component is movably connected to the measuring ruler and is used for enabling the adjusting component to drive the second part when the adjusting component is moved according to the measuring condition of the dial indicator group so as to enable the second part and the first part to be leveled;
the adjusting assembly comprises at least three adjusting units distributed at different positions on the measuring ruler;
the measuring ruler is provided with a first mounting hole, and the adjusting unit is arranged in the first mounting hole in a penetrating manner;
the adjusting unit comprises a push rod and a pressing piece, the pressing piece is arranged at the lower end of the push rod and exposed out of the lower side of the measuring ruler, and the upper end of the push rod is exposed out of the upper side of the measuring ruler;
the compression element comprises a sleeve and a base;
the base is provided with a groove which is matched with and abutted against the lower end of the ejector rod, the base is fixedly connected with the sleeve, and the base and the sleeve are folded to form a structure which wraps the lower end of the ejector rod.
2. The leveling device for a height difference between inner and outer parts according to claim 1, wherein,
the reference part is a plane boss which is distributed on the measuring ruler and extends towards the direction of the part group.
3. The leveling device for a height difference between inner and outer parts according to claim 1, wherein,
the adjusting units are close to the dial indicators and are arranged in one-to-one correspondence with the dial indicators.
4. The leveling device for a height difference between inner and outer parts according to claim 1, wherein,
the ejector rod is in threaded connection with the first mounting hole.
5. The leveling device for a height difference between inner and outer parts according to claim 1, wherein,
the lower end of the ejector rod is a spherical end or a spherical crown end or a cylindrical or discoidal shape.
6. The leveling device for a height difference between inner and outer parts according to claim 1, wherein,
the measuring ruler is provided with a second mounting hole, and the shaft sleeve of the dial indicator penetrates through and is fit in the second mounting hole;
and a third mounting hole is formed in the measuring ruler and communicated with the second mounting hole, and a jacking screw which extends to the second mounting and is used for abutting against the shaft sleeve is arranged in the third mounting hole in a penetrating manner.
7. The leveling device for a height difference between inner and outer parts according to claim 1, wherein,
the measuring ruler comprises at least three supporting rods, a guide rail extending along the direction of the supporting rods is arranged on each supporting rod, a sliding table is arranged on each guide rail, and each sliding table is provided with a reference part and a detection part.
8. The leveling device for a height difference between inner and outer parts according to claim 1, wherein,
the measuring ruler is cross-shaped, the reference parts and the detection parts are distributed on four ends of the cross-shaped measuring ruler, and the reference parts and the detection parts are in one-to-one correspondence; and a hanging ring is arranged on the upper side of the middle part of the measuring ruler.
9. A method for leveling the height difference of the inner and outer parts, which is characterized in that the method adopts the leveling device which is applicable to the height difference of the inner and outer parts and is used for leveling the end surfaces of the parts matched with the inner and outer parts; comprising the following operations:
the reference part is abutted against the surface to be parallel of the first part;
taking a plane to be parallel of the first part or a plane where the three reference parts are located as a reference plane;
the detection part is abutted against or abutted against the surface to be parallel of the second part;
and when the parallelism difference between the detection surface and the reference surface is detected or observed, the detection surface is adjusted by controlling the adjusting component, so that the included angle between the detection surface and the reference surface is reduced, and the detection surface and the reference surface are controlled to be parallel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111350034.XA CN114046713B (en) | 2021-11-15 | 2021-11-15 | Leveling device suitable for height difference of inner and outer parts |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111350034.XA CN114046713B (en) | 2021-11-15 | 2021-11-15 | Leveling device suitable for height difference of inner and outer parts |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114046713A CN114046713A (en) | 2022-02-15 |
| CN114046713B true CN114046713B (en) | 2023-07-07 |
Family
ID=80209233
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111350034.XA Active CN114046713B (en) | 2021-11-15 | 2021-11-15 | Leveling device suitable for height difference of inner and outer parts |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114046713B (en) |
Citations (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0271202U (en) * | 1988-11-18 | 1990-05-30 | ||
| JPH058401U (en) * | 1991-07-16 | 1993-02-05 | ダイハツ工業株式会社 | Step gauge for curved surface |
| JPH0970741A (en) * | 1995-09-04 | 1997-03-18 | Nippon Steel Corp | Method of controlling apparatus for trimming inner and outer surface of pipe |
| JPH10294257A (en) * | 1997-04-17 | 1998-11-04 | Nikon Corp | Method and apparatus for control of face position of substrate as well as method and apparatus for exposure |
| JPH11211450A (en) * | 1998-01-27 | 1999-08-06 | Mitsutoyo Corp | Leveling device |
| CN103529650A (en) * | 2012-07-02 | 2014-01-22 | 上海微电子装备有限公司 | Height measurement device and height measurement method |
| WO2015120749A1 (en) * | 2014-02-14 | 2015-08-20 | 哈尔滨工业大学 | Aircraft engine rotor assembly method and device |
| JP2017053788A (en) * | 2015-09-11 | 2017-03-16 | 公益財団法人鉄道総合技術研究所 | Rail end surface flatness measuring jig |
| CN207351348U (en) * | 2017-10-31 | 2018-05-11 | 合肥国轩高科动力能源有限公司 | A kind of power battery core platen elevation difference detection level regulating device |
| CN109732439A (en) * | 2019-03-04 | 2019-05-10 | 中国工程物理研究院激光聚变研究中心 | A kind of optical element rim of the mouth diameter polishing clamp |
| CN110686754A (en) * | 2019-10-18 | 2020-01-14 | 骆军辉 | Multi-point direct-measuring regulating material level meter for liquid level detection |
| CN212931286U (en) * | 2020-06-30 | 2021-04-09 | 广西南星科技有限公司 | Hole depth error measurement gauge |
| CN113211004A (en) * | 2021-03-31 | 2021-08-06 | 西安航天发动机有限公司 | Method for eliminating brazing blockage of annular workpiece with tube seat stainless steel interlayer structure |
| CN113375559A (en) * | 2021-07-06 | 2021-09-10 | 中国工程物理研究院机械制造工艺研究所 | Online measurement centering device, system and method based on multi-source sensing |
| JP2021139711A (en) * | 2020-03-04 | 2021-09-16 | 株式会社ミツトヨ | Measuring method and measuring apparatus |
| CN113618164A (en) * | 2021-08-31 | 2021-11-09 | 贵州群建精密机械有限公司 | Inner and outer tooth aligning machining tool and using method |
-
2021
- 2021-11-15 CN CN202111350034.XA patent/CN114046713B/en active Active
Patent Citations (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0271202U (en) * | 1988-11-18 | 1990-05-30 | ||
| JPH058401U (en) * | 1991-07-16 | 1993-02-05 | ダイハツ工業株式会社 | Step gauge for curved surface |
| JPH0970741A (en) * | 1995-09-04 | 1997-03-18 | Nippon Steel Corp | Method of controlling apparatus for trimming inner and outer surface of pipe |
| JPH10294257A (en) * | 1997-04-17 | 1998-11-04 | Nikon Corp | Method and apparatus for control of face position of substrate as well as method and apparatus for exposure |
| JPH11211450A (en) * | 1998-01-27 | 1999-08-06 | Mitsutoyo Corp | Leveling device |
| CN103529650A (en) * | 2012-07-02 | 2014-01-22 | 上海微电子装备有限公司 | Height measurement device and height measurement method |
| WO2015120749A1 (en) * | 2014-02-14 | 2015-08-20 | 哈尔滨工业大学 | Aircraft engine rotor assembly method and device |
| JP2017053788A (en) * | 2015-09-11 | 2017-03-16 | 公益財団法人鉄道総合技術研究所 | Rail end surface flatness measuring jig |
| CN207351348U (en) * | 2017-10-31 | 2018-05-11 | 合肥国轩高科动力能源有限公司 | A kind of power battery core platen elevation difference detection level regulating device |
| CN109732439A (en) * | 2019-03-04 | 2019-05-10 | 中国工程物理研究院激光聚变研究中心 | A kind of optical element rim of the mouth diameter polishing clamp |
| CN110686754A (en) * | 2019-10-18 | 2020-01-14 | 骆军辉 | Multi-point direct-measuring regulating material level meter for liquid level detection |
| JP2021139711A (en) * | 2020-03-04 | 2021-09-16 | 株式会社ミツトヨ | Measuring method and measuring apparatus |
| CN212931286U (en) * | 2020-06-30 | 2021-04-09 | 广西南星科技有限公司 | Hole depth error measurement gauge |
| CN113211004A (en) * | 2021-03-31 | 2021-08-06 | 西安航天发动机有限公司 | Method for eliminating brazing blockage of annular workpiece with tube seat stainless steel interlayer structure |
| CN113375559A (en) * | 2021-07-06 | 2021-09-10 | 中国工程物理研究院机械制造工艺研究所 | Online measurement centering device, system and method based on multi-source sensing |
| CN113618164A (en) * | 2021-08-31 | 2021-11-09 | 贵州群建精密机械有限公司 | Inner and outer tooth aligning machining tool and using method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114046713A (en) | 2022-02-15 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US9395181B2 (en) | Thread profile measuring method | |
| CN108868166B (en) | Common inclination angle zero component installation positioning ruler in steel structure and use method | |
| CN113074615A (en) | Measuring device and measuring method for inner cone of large part | |
| CN106403756B (en) | A kind of measuring device, taper plug gauge fixture and the taper ring-ga(u)ge fixture of long tubing taper thread | |
| CN207936891U (en) | A kind of instrument for measuring pitch diameter of internal thread | |
| CN111060010A (en) | Parallel plane parameter on-machine measurement system and measurement method | |
| KR100859642B1 (en) | Apparatus for measuring straightness in addition to differences of step and angle of two objects and shaft alignment method using same | |
| CN114046713B (en) | Leveling device suitable for height difference of inner and outer parts | |
| CN110779418A (en) | Method for measuring length of cone on line by double meters | |
| US4554747A (en) | Convex radius gauge | |
| CN106767284A (en) | A kind of length-measuring appliance | |
| CN216898709U (en) | High-precision straightness detection tool | |
| JPH049701A (en) | Key-way measuring device and usage thereof | |
| US4571838A (en) | Direct readout centerline measuring device and process | |
| CN116026217A (en) | Magnetostrictive displacement sensor calibration device | |
| CN111664771A (en) | Device for detecting inner hole of pipe part and detection method thereof | |
| CN214010163U (en) | Special measuring device for guaranteeing residual deformation of load test by bolts | |
| CN213090669U (en) | Device for measuring verticality between piston pin hole axis and inner gear surface | |
| US7003428B2 (en) | Method and system for thread tolerance checking | |
| CN210981108U (en) | Internal spline tooth top circle diameter inspection fixture | |
| CN113916103A (en) | Device and method for precisely measuring depth of thin-wall truncated cone long hole | |
| CN112945046A (en) | Plug gauge calibrating tool and method | |
| CN218566354U (en) | Integral type size deviation inspection frock | |
| CN219589604U (en) | Measuring tool structure for measuring profile of blade edge plate surface of aero-engine | |
| CN216205995U (en) | Self-centering hole position and groove size measuring device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |