CN214842970U - A calibrating device for inside and outside right angle detection chi - Google Patents
A calibrating device for inside and outside right angle detection chi Download PDFInfo
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- CN214842970U CN214842970U CN202120919642.7U CN202120919642U CN214842970U CN 214842970 U CN214842970 U CN 214842970U CN 202120919642 U CN202120919642 U CN 202120919642U CN 214842970 U CN214842970 U CN 214842970U
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Abstract
The utility model relates to a calibrating device for inside and outside right angle detection chi, include: the positioning block is arranged on the base and is provided with a groove position for placing a movable ruler in the inner and outer right-angle detection rulers; the pressing assembly is arranged on the positioning block and used for pressing the inner and outer right-angle detection ruler placed on the base; the positioning assembly is arranged on the positioning block and used for positioning a movable ruler in the inner and outer right-angle detection rulers; the inner and outer right-angle detection ruler calibration assembly is arranged on the side surface of the base and used for calibrating the inner and outer right-angle detection rulers; and the resetting component is arranged on the positioning block and is used for resetting the positioning component. The utility model discloses the calibration that will detect chi and wedge feeler gauge inside and outside right angle ingeniously combines together, has realized the calibration that detects chi and wedge feeler gauge inside and outside right angle, for the building engineering quality provides effectual measurement technical guarantee, has perfected the method of carrying out measurement performance calibration to it.
Description
Technical Field
The utility model relates to a calibration technical field especially relates to a calibrating device that is used for inside and outside right angle measuring tape.
Background
The inside and outside right angle detection ruler is a special detection tool for detecting the deviation of the positive and negative right angles in the building engineering, and generally comprises a main ruler and an auxiliary ruler which are hinged with each other, wherein the main ruler is provided with a value indicating gauge head and a level gauge. According to the traditional internal and external right-angle detection ruler, the horizontal bubble in the level meter is directly fixed on the main ruler through the base body by the screw, and due to the errors of the horizontal bubble and the base body in manufacturing, after the horizontal bubble is assembled and calibrated, the base body is still in a skew position sometimes, so that the accuracy of horizontal detection is influenced, and the overall performance of the internal and external right-angle detection ruler is also reduced. In order to guarantee the measurement accuracy of the verticality detection ruler, the verticality detection ruler needs to be calibrated, so that the calibrating device for the internal and external right-angle detection ruler is an important metering detection tool.
SUMMERY OF THE UTILITY MODEL
To solve the above technical problem or at least partially solve the above technical problem, the present application provides a calibration device for an inner and outer right angle measuring tape.
The application provides a calibrating device for inside and outside right angle detects chi includes:
a base seat, a plurality of fixing holes and a plurality of fixing holes,
the positioning block is arranged on the base and is provided with a groove position for placing a movable ruler in the inner and outer right-angle detection rulers;
the pressing assembly is arranged on the positioning block and used for pressing the inner and outer right-angle detection ruler placed on the base;
the positioning assembly is arranged on the positioning block and used for positioning a movable ruler in the inner and outer right-angle detection rulers;
the inner and outer right-angle detection ruler calibration assembly is arranged on the side surface of the base and used for calibrating the inner and outer right-angle detection rulers;
and the resetting component is arranged on the positioning block and is used for resetting the positioning component.
Preferably, the pressing assembly comprises a pressing plate upright post and a first pressing bolt, and the pressing plate upright post is movably connected to the positioning block through the first pressing bolt.
Preferably, the positioning assembly comprises a fastening screw, a bolt shaft pin and an elastic positioning unit, the bolt shaft pin is connected to the reset assembly through the fastening screw, the elastic positioning unit is arranged in the bolt shaft pin, and one end of the elastic positioning unit extends out of the bolt shaft pin.
Preferably, the elastic positioning unit comprises a spring seat, a spring, a roller shaft and a roller, the spring seat is arranged at one end in the bolt shaft pin, one end of the spring is connected with the spring seat, the other end of the spring is connected with one end of the roller shaft, the other end of the roller shaft is connected with the roller, and the roller horizontally points to the inner and outer right angle detection ruler calibration assembly.
Preferably, the reset assembly comprises a second compression bolt and a connecting block, the connecting block is connected with the bolt shaft pin, a kidney-shaped hole is formed in the connecting block, and the connecting block is adjusted in the position of the kidney-shaped hole through the second compression bolt to reset the bolt shaft pin.
Preferably, inside and outside right angle detection chi calibration subassembly includes stand, micrometer head and antifriction fixture block, the stand is vertical to be connected in the side of base, the micrometer head is installed on the stand, just the micrometer head level stretch to locating component's one is connected with the antifriction fixture block.
Preferably, the calibrating device further comprises a wedge-shaped clearance gauge calibrating component for calibrating the wedge-shaped clearance gauge, the wedge-shaped clearance gauge calibrating component comprises a testing head, a gauge stand, an indicating gauge and a fixing column, the gauge stand is fixedly connected to the side edge of the upright column, the testing head penetrates through the fixing column, an adjusting head is connected to one end, extending out of the upper end of the fixing column, of the testing head, the lower portion of the testing head is movably connected to the gauge stand, and the indicating gauge is fixedly connected to the surface of the fixing column.
Preferably, a felt pad is attached to the lower surface of the base.
Preferably, the felt pad includes first back of the body cap, second back of the body cap, heelpiece and foot auger screw, foot auger screw fixed connection be in the lower surface of base, first back of the body cap with the second back of the body cap is connected on the foot auger screw, just heelpiece fixed connection be in the lower extreme of foot auger screw.
Compared with the prior art, the technical scheme provided by the embodiment of the application has the following advantages:
the calibration of detecting chi and wedge feeler gauge inside and outside will be combined together ingeniously, realized that the calibration of detecting chi and wedge feeler gauge inside and outside right angle provides effectual measurement technical guarantee for the building engineering quality, perfect and carried out the method that the measurement performance was calibrated to it sets up the felt pad in the below of base and guarantees can not influence the precision of calibration because of the slip or the removal of base at the in-process of calibration, has improved the accuracy of calibration.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the invention and together with the description, serve to explain the principles of the invention.
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without inventive labor.
In the drawings:
FIG. 1 is a front view of the calibrating device for the inside and outside right angle measuring tape of the present invention;
FIG. 2 is a right side view of the calibrating apparatus for the inside and outside right angle measuring tape of the present invention;
FIG. 3 is a top view of the calibrating device for the inner and outer right-angle measuring ruler of the present invention;
fig. 4 is a measurement schematic diagram of the present invention;
FIG. 5 is a schematic structural view of the felt pad of the present invention;
reference numerals: 1-a base; 2-positioning blocks; 3-a pressing component; 31-platen columns; 32-a first compression bolt; 4-a reset component; 41-connecting block; 42-kidney shaped hole; 43-a second compression bolt; 5-a positioning assembly; 51-bolt axis pin; 52-fastening screws; 53-spring seats; 54-a spring; 55-roller shaft; 56-a roller; 6-groove position; 7-calibrating the assembly of the inner and outer right-angle detection ruler; 71-upright post; 72-micrometer head; 73-anti-friction fixture block; 8-a wedge feeler gauge calibration assembly; 81-fixed column; 82-indicator sheet; 83-a gauge stand; 84-a test head; 85-adjusting the head; 9-felt pad; 91-foot screw rod; 92-a first back cap; 93-a second back cap; 94-base pad;
Detailed Description
In order to clearly understand the technical features, objects, and effects of the present invention, embodiments of the present invention will be described in detail with reference to the accompanying drawings. In the following description, it should be understood that the directions or positional relationships indicated by "front", "back", "upper", "lower", "left", "right", "longitudinal", "horizontal", "vertical", "horizontal", "top", "bottom", "inner", "outer", "head", "tail", etc. are configured and operated in specific directions based on the directions or positional relationships shown in the drawings, and are only for convenience of describing the present invention, but do not indicate that the device or element referred to must have a specific direction, and thus, should not be construed as limiting the present invention.
It is also noted that, unless expressly stated or limited otherwise, the terms "mounted," "connected," "secured," "disposed," and the like are intended to be inclusive and mean, for example, that they may be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. When an element is referred to as being "on" or "under" another element, it can be "directly" or "indirectly" on the other element or intervening elements may also be present. The terms "first", "second", "third", etc. are only for convenience in describing the present technical solution, and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated, whereby the features defined as "first", "second", "third", etc. may explicitly or implicitly include one or more of such features. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
In the following description, for purposes of explanation and not limitation, specific details are set forth, such as particular system structures, techniques, etc. in order to provide a thorough understanding of the embodiments of the invention. It will be apparent, however, to one skilled in the art that the present invention may be practiced in other embodiments that depart from these specific details. In other instances, detailed descriptions of well-known systems, devices, circuits, and methods are omitted so as not to obscure the description of the present invention with unnecessary detail.
As shown in fig. 1-5, in an embodiment of the present invention, the calibrating device for the inner and outer right-angle measuring ruler comprises: a base 1, a positioning block 2, a pressing component 3, a positioning component 5, an inner and outer right-angle detection ruler calibration component 7 and a reset component 4,
the positioning block 2 is arranged on the base 1, and a groove 6 for placing a movable ruler in the inner and outer right-angle detection ruler 7 is formed in the positioning block 2; the pressing component 3 is arranged on the positioning block 2 and is used for pressing the inner and outer right-angle detection ruler arranged on the base 1; the positioning assembly 5 is arranged on the positioning block 2 and used for positioning a movable ruler in the inner and outer right-angle detection rulers; the inner and outer right-angle detection ruler calibration assembly 7 is arranged on the side surface of the base 1 and used for calibrating the inner and outer right-angle detection rulers; the resetting component 4 is arranged on the positioning block 2 and used for resetting the positioning component 5.
In one embodiment, the pressing assembly 3 comprises a pressing plate column 31 and a first pressing bolt 32, and the pressing plate column 31 is movably connected to the positioning block 2 through the first pressing bolt 32.
In one embodiment, the positioning assembly 5 includes a fastening screw 52, a bolt shaft pin 51, and a resilient positioning unit, the bolt shaft pin 51 is connected to the reset assembly 4 through the fastening screw 52, the resilient positioning unit is disposed in the bolt shaft pin 51, and one end of the resilient positioning unit protrudes from the bolt shaft pin 51.
Specifically, the elastic positioning unit comprises a spring seat 53, a spring 54, a roller shaft 55 and a roller 56, wherein the spring seat 53 is arranged at one end in the bolt shaft pin 51, one end of the spring 54 is connected with the spring seat 53, the other end of the spring 54 is connected with one end of the roller shaft 55, the other end of the roller shaft 55 is connected with the roller 56, and the roller 56 horizontally points to the inner and outer right angle detection ruler calibration assembly 7.
In one embodiment, the resetting assembly 4 includes a second pressing bolt 43 and a connecting block 41, the connecting block 41 is connected with the bolt shaft pin 51, a kidney-shaped hole 42 is formed in the connecting block 41, and the connecting block 41 is adjusted at the position of the kidney-shaped hole 42 by the second pressing bolt 43 to reset the bolt shaft pin 51.
In one embodiment, the inner and outer right angle measuring tape calibration assembly 7 comprises an upright column 71, a micrometer head 72 and an anti-friction fixture block 73, wherein the upright column 71 is vertically connected to the side surface of the base 1, the micrometer head 72 is installed on the upright column 71, and the micrometer head 72 horizontally extends to one of the positioning assemblies 4 which is connected with the anti-friction fixture block 73.
In one embodiment, the calibration device further comprises a wedge-shaped feeler calibration assembly 8 for calibrating the wedge-shaped feeler, the wedge-shaped feeler calibration assembly 8 comprises a test head 84, a gauge stand 83, an indicating gauge 82 and a fixed column 81, the gauge stand 83 is fixedly connected to the side of the upright column 81, the test head 84 penetrates through the fixed column 81, one end extending out of the upper end of the fixed column 81 is connected with an adjusting head 85, the lower part of the test head 84 is movably connected to the gauge stand 83, and the indicating gauge 82 is fixedly connected to the surface of the fixed column 81.
In one embodiment, a felt pad 9 is connected to the lower surface of the base 1, wherein the felt pad 9 includes a first back cap 92, a second back cap 93, a bottom pad 94, and a foot screw 91, the foot screw 91 is fixedly connected to the lower surface of the base 1, the first back cap 92 and the second back cap 93 are connected to the foot screw 91, and the bottom pad 94 is fixedly connected to the lower end of the foot screw 91. The fact that the felt pad 94 is arranged on the lower surface of the base 1 effectively prevents the movement during use from affecting the accuracy of the calibration.
It should be noted that the utility model discloses a test is carried out to the comparison method, by micrometer head 72 travel distance L1 and micrometer head 72 to the interior outer right angle detection chi pivot axis distance R than constitute standard angle beta 1(sin beta 1 equals L1/R), the indicating value error of inside and outside right angle detection chi corner beta 2(sin beta 2 equals L2/R) is measured in the comparison, its measuring principle adopts micrometer head screw pair to wait to advance the transmission principle, make the rotary motion of screw rod become linear motion, change the angular displacement of inside and outside right angle detection chi into linear displacement, show indicating value error delta L equals L2-L1 with the line value.
Wherein, the calibration principle of interior outer right angle measuring tape does: the inner and outer right-angle detection ruler is placed on the base, the positioning block abuts against the base at the moment, then the pressing assembly 3 is used for pressing and positioning, the micrometer head is rotated to enable the pointer of the indicator of the inner and outer right-angle detection ruler to be aligned with the zero position, the micrometer head is zeroed or the initial reading of the micrometer head is recorded, then the micrometer head is rotated to calibrate zero position errors in two directions of the zero position, the indicating value error calibration sequentially gives standard values relative to all calibration points from the micrometer head, numerical values are respectively read from the indicator of the inner and outer right-angle detection ruler, and the reading numerical values minus the standard values are indicating value errors of corresponding points.
The calibration principle of the wedge-shaped feeler gauge is as follows: the method comprises the steps of installing an indicating gauge in a gauge seat working state, recording initial position reading or digital display indicating gauge return to zero, arranging a wedge-shaped clearance gauge reference surface on a base working surface, sequentially calibrating millimeter sizes of the wedge-shaped clearance gauge by a conical measuring head of the indicating gauge, and reading numerical values from the indicating gauge.
The utility model discloses will detect the calibration of chi and wedge feeler gauge inside and outside ingeniously and combine together, realized that the calibration of detecting chi and wedge feeler gauge inside and outside right angle provides effectual measurement technique for the building engineering quality and guarantees, perfect and carried out the method that the measurement performance was calibrated to it to set up the felt-pad in the below of base and guarantee can not influence the precision of calibration because of the slip or the removal of base at the in-process of calibration, improved the accuracy of calibration.
It is to be understood that the foregoing examples merely represent preferred embodiments of the present invention, and that the description thereof is more specific and detailed, but not intended to limit the scope of the invention; it should be noted that, for those skilled in the art, the above technical features can be freely combined, and several modifications and improvements can be made without departing from the concept of the present invention, which all belong to the protection scope of the present invention; therefore, all changes and modifications that come within the meaning and range of equivalency of the claims are to be embraced within their scope.
Claims (9)
1. A calibrating device for inside and outside right angle measuring tape, its characterized in that includes:
a base seat, a plurality of fixing holes and a plurality of fixing holes,
the positioning block is arranged on the base and is provided with a groove position for placing a movable ruler in the inner and outer right-angle detection rulers;
the pressing assembly is arranged on the positioning block and used for pressing the inner and outer right-angle detection ruler placed on the base;
the positioning assembly is arranged on the positioning block and used for positioning a movable ruler in the inner and outer right-angle detection rulers;
the inner and outer right-angle detection ruler calibration assembly is arranged on the side surface of the base and used for calibrating the inner and outer right-angle detection rulers;
and the resetting component is arranged on the positioning block and is used for resetting the positioning component.
2. The calibrating device for the inner and outer right-angle measuring ruler of claim 1, wherein the pressing assembly comprises a pressing plate column and a first pressing bolt, and the pressing plate column is movably connected to the positioning block through the first pressing bolt.
3. The calibrating device for the inside and outside right angle measuring ruler of claim 1, wherein the positioning assembly comprises a fastening screw, a bolt shaft pin and an elastic positioning unit, the bolt shaft pin is connected with the reset assembly through the fastening screw, the elastic positioning unit is arranged in the bolt shaft pin, and one end of the elastic positioning unit extends out of the bolt shaft pin.
4. The calibrating device for the inside and outside right angle measuring ruler of claim 3, wherein the elastic positioning unit comprises a spring seat, a spring, a roller shaft and a roller, the spring seat is arranged at one end in the bolt shaft pin, one end of the spring is connected with the spring seat, the other end of the spring is connected with one end of the roller shaft, the other end of the roller shaft is connected with the roller, and the roller is horizontally directed to the inside and outside right angle measuring ruler calibrating assembly.
5. The calibrating device for the inside and outside right angle measuring ruler of claim 3, wherein the reset component comprises a second compression bolt and a connecting block, the connecting block is connected with the bolt shaft pin, a kidney-shaped hole is formed in the connecting block, and the connecting block is adjusted to the position of the kidney-shaped hole through the second compression bolt to reset the bolt shaft pin.
6. The calibrating device for the inner and outer right-angle measuring ruler of claim 1, wherein the inner and outer right-angle measuring ruler calibrating assembly comprises a column, a micrometer head and an anti-friction fixture block, the column is vertically connected to the side surface of the base, the micrometer head is installed on the column, and the micrometer head horizontally extends to one end of the positioning assembly and is connected with the anti-friction fixture block.
7. The calibrating device for the inside and outside right angle measuring ruler of claim 6, further comprising a wedge-shaped clearance gauge calibrating component for calibrating the wedge-shaped clearance gauge, wherein the wedge-shaped clearance gauge calibrating component comprises a testing head, a gauge stand, an indicating gauge and a fixing column, the gauge stand is fixedly connected to the side edge of the upright column, the testing head penetrates through the fixing column, an adjusting head is connected to one end of the testing head extending out of the upper end of the fixing column, the lower portion of the testing head is movably connected to the gauge stand, and the indicating gauge is fixedly connected to the surface of the fixing column.
8. The calibrating device for the inner and outer right-angle measuring tapes as claimed in claim 1, wherein a felt pad is attached to the lower surface of the base.
9. The calibrating device for the inside and outside right angle measuring ruler of claim 8, wherein the felt pad comprises a first back cap, a second back cap, a bottom pad and a foot screw, the foot screw is fixedly connected to the lower surface of the base, the first back cap and the second back cap are connected to the foot screw, and the bottom pad is fixedly connected to the lower end of the foot screw.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120919642.7U CN214842970U (en) | 2021-09-28 | 2021-09-28 | A calibrating device for inside and outside right angle detection chi |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120919642.7U CN214842970U (en) | 2021-09-28 | 2021-09-28 | A calibrating device for inside and outside right angle detection chi |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214842970U true CN214842970U (en) | 2021-11-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120919642.7U Active CN214842970U (en) | 2021-09-28 | 2021-09-28 | A calibrating device for inside and outside right angle detection chi |
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| Country | Link |
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| CN (1) | CN214842970U (en) |
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- 2021-09-28 CN CN202120919642.7U patent/CN214842970U/en active Active
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