CN214621109U - Calibration device for verticality detection ruler - Google Patents
Calibration device for verticality detection ruler Download PDFInfo
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- CN214621109U CN214621109U CN202120917767.6U CN202120917767U CN214621109U CN 214621109 U CN214621109 U CN 214621109U CN 202120917767 U CN202120917767 U CN 202120917767U CN 214621109 U CN214621109 U CN 214621109U
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- base
- clamping unit
- guide plate
- detection ruler
- slot
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Abstract
The utility model relates to a calibrating device for straightness detection chi hangs down, include: the stand column is arranged on the upper surface of the base; the clamping assembly comprises an upper clamping unit and a lower clamping unit, the upper clamping unit is arranged at the top of the upright column, the lower clamping unit is positioned on the side edge of the upright column, and the upper clamping unit and the lower clamping unit are positioned on the same side; and the fine adjustment assembly is arranged at the upper end of the upper end clamping unit and used for adjusting the position of the detection ruler. The utility model discloses a to the calibration of straightness detection chi that hangs down, for the building engineering quality provides effectual measurement technique and guarantees, perfect and carried out the method that measures the performance calibration to it.
Description
Technical Field
The utility model relates to a calibration technical field especially relates to a calibrating device for straightness detection chi hangs down.
Background
The vertical detection ruler is also called a guiding ruler, and is a detection tool for detecting the verticality, the levelness and the flatness of the plane of a building object, and the use frequency of the vertical detection ruler is the highest in home decoration supervision. It both can be used for detecting whether wall, ceramic tile are level, perpendicular, can be used for detecting whether floor fossil fragments are level, level again. In order to ensure the measurement accuracy of the verticality detection ruler, the verticality detection ruler needs to be calibrated, so that the calibrating device for the verticality detection ruler is an important measurement and detection tool.
SUMMERY OF THE UTILITY MODEL
In order to solve the above technical problem or at least partially solve the above technical problem, the present application provides a calibration apparatus for a verticality detection ruler.
The application provides a calibrating device for straightness detection chi hangs down, includes:
a base seat is arranged on the base seat,
the upright post is arranged on the upper surface of the base;
the clamping assembly comprises an upper clamping unit and a lower clamping unit, the upper clamping unit is arranged at the top of the upright column, the lower clamping unit is positioned on the side edge of the upright column, and the upper clamping unit and the lower clamping unit are positioned on the same side;
and the fine adjustment assembly is arranged at the upper end of the upper end clamping unit and used for adjusting the position of the detection ruler.
Preferably, the calibrating device further comprises a flange plate, the flange plate is mounted on the upper surface of the base, and the lower end of the upright post and the lower end clamping unit are connected with the flange plate.
Preferably, the upper end clamping unit includes a measuring seat and a locking screw, the measuring seat is fixedly connected to the upper end of the upright column, a first slot position for locking the measuring ruler is arranged on the measuring seat, and one end of the locking screw penetrates through the measuring seat and extends into the first slot position for locking the measuring ruler extending into the first slot position.
Preferably, the inner wall of the first slot is provided with a fine adjustment screw for fine adjustment of the detection ruler.
Preferably, the lower extreme centre gripping unit includes base, fastening screw and stop screw, the base with the ring flange is connected, the second trench has been seted up on the base, the one end of fastening screw passes the base and stretches into in the second trench for stretch into the measuring tape in the second trench and lock, stop screw runs through the lower part of base.
Preferably, the fine setting subassembly includes baffle, digital display micrometer head, elastic element and guide shaft, the guide shaft is followed the upper end of baffle is passed from top to bottom the baffle just stretches into in the upper end clamping unit, the guide shaft is located the inside part of baffle has cup jointed the axle sleeve, the one end of digital display micrometer head is followed one side of baffle is stretched into in the baffle, the one end of elastic element is followed the opposite side of baffle is stretched into in the baffle.
Preferably, the elastic unit comprises a spring seat, a spring and a push rod, one end of the push rod extends into the guide plate, the other end of the push rod extends into the spring seat, and the spring is wound on the push rod.
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 calibrating device can complete the calibration of the verticality detection scale indication error of the construction engineering quality detector according to the technical requirements of JJF1110-2003 'construction engineering quality detector calibration standard', the calibration result has good repeatability and stability, effective measurement technical guarantee is provided for the construction engineering quality, the method for calibrating the measurement performance of the construction engineering quality detector is perfected, a felt pad is arranged below the base to guarantee that the calibration precision cannot be influenced by the sliding or moving of the base in the calibration process, and the calibration accuracy is improved.
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 verticality measuring ruler of the present invention;
FIG. 2 is a left side view of the calibration device for the verticality detection ruler of the present invention;
FIG. 3 is a schematic diagram of an upper clamping unit and a fine adjustment assembly of the calibration device for the verticality detection ruler according to the present invention;
FIG. 4 is a schematic diagram of the test of the present invention;
FIG. 5 is a schematic view of the felt structure of the calibrating device for the verticality measuring ruler of the present invention;
reference numerals: 1-a base; 2-upright post; 3-an upper end clamping unit; 31-measuring seat; 32-a first slot position; 33-locking screws; 34-fine adjustment screws; 4-a lower end clamping unit; 41-a base; 42-fastening screws; 43-limit screws; 44-a second slot; 5-fine tuning the assembly; 51-a guide plate; 52-digital display micrometer head; 53-a guide shaft; 54-shaft sleeve; 55-spring seat; 56-mandril; 57-a spring; 6-a flange plate; 7-felt; 71-foot screw rod; 72-a first back cap; 73-a second back cap; 74-base pad; 8-verticality detection ruler;
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.
In the embodiment of the calibrating device for a verticality measuring ruler of the present invention, as shown in fig. 1-5, the calibrating device comprises a base 1, a column 2, a clamping assembly and a fine-tuning assembly 5,
wherein, the upright post 2 is arranged on the upper surface of the base 1;
the clamping assembly comprises an upper clamping unit 3 and a lower clamping unit 4, the upper clamping unit 3 is arranged at the top of the upright post 2, the lower clamping unit 4 is positioned at the side edge of the upright post 2, and the upper clamping unit 3 and the lower clamping unit 4 are positioned at the same side;
the fine adjustment assembly 5 is arranged at the upper end of the upper end clamping unit 3 and is used for adjusting the position of the detection ruler.
In one embodiment, the alignment device further comprises a flange 6, the flange 6 is mounted on the upper surface of the base 1, and the lower ends of the columns 2 and the lower end clamping units 4 are connected to the flange 6.
In one embodiment, the upper clamping unit 3 includes a measuring base 31 and a locking screw 33, the measuring base 31 is fixedly connected to the upper end of the upright 2, a first slot 32 for locking the measuring ruler is opened on the measuring base 31, one end of the locking screw 33 penetrates through the measuring base 31 and extends into the first slot 32 for locking the measuring ruler extending into the first slot 32, and a fine adjustment screw 34 for fine adjusting the measuring ruler is disposed on the inner wall of the first slot 32.
In one embodiment, the lower clamping unit 4 includes a base 41, a fastening screw 42 and a limiting screw 43, the base 41 is connected to the flange 6, the base 41 is provided with a second slot 44, one end of the fastening screw 42 extends into the second slot 44 through the base 41 for locking a measuring tape extending into the second slot 44, and the limiting screw 43 penetrates through the lower portion of the base 41.
In one embodiment, the fine adjustment assembly 5 comprises a guide plate 51, a digital micrometer head 52, an elastic unit and a guide shaft 53, wherein the guide shaft 53 penetrates through the guide plate 51 from the upper end of the guide plate 51 to the bottom and extends into the upper end clamping unit 3, a shaft sleeve 54 is sleeved on the part, located inside the guide plate 51, of the guide shaft 53, one end of the digital micrometer head 52 extends into the guide plate 51 from one side of the guide plate 51, and one end of the elastic unit extends into the guide plate 51 from the other side of the guide plate 51.
Wherein, the elastic unit includes spring holder 55, spring 57 and ejector pin 56, and the one end of ejector pin 56 stretches into in guide plate 51, and the other end stretches into in spring holder 55, and spring 57 twines on ejector pin 56.
In one embodiment, a felt pad 7 is connected to the lower surface of the base 1, the felt pad 7 includes a first back cap 72, a second back cap 73, a bottom pad 74 and a foot screw 71, the foot screw 71 is fixedly connected to the lower surface of the base 1, the first back cap 72 and the second back cap 73 are connected to the foot screw 71, and the bottom pad 74 is fixedly connected to the lower end of the foot screw 71. The fact that the felt 7 is arranged on the lower surface of the base 74 effectively prevents the felt from moving during use and affecting the accuracy of the calibration.
The present application adopts a comparison method to measure, a standard angle β 1(sin β 1 ═ L1/R) is formed by a ratio of a travel distance of a digital display micrometer head to a distance L1 between a rotation axis and a guide axis, and an indication error of a rotation angle β 2(sin β 2 ═ L2/R) of a verticality detection ruler is compared and measured, which adopts a feed transmission principle such as a digital display micrometer head screw pair, etc., to change a rotation motion of a screw into a linear motion, to convert an angular displacement of the verticality detection ruler into a linear displacement, and to express an indication error Δ L ═ L2-L1 by a line value.
The specific application method comprises the following steps: the method comprises the steps of respectively placing two ends of a verticality detection ruler at an upper end clamping unit and a lower end clamping unit for fixing, then respectively rotating a locking screw and a fastening screw to position the verticality detection ruler, rotating a pointer of an indicator of the verticality detection ruler to a zero position by a digital display micrometer head, then rotating the digital display micrometer head forwards or backwards to enable the pointer in the indicator to deviate from the zero position, then rotating the digital display micrometer head back to enable the digital display micrometer head to be zero-aligned again, then reading a numerical value from the indicator, respectively doing 5 times in the front and at the back, and taking the difference between the maximum value and the minimum value as the indication value variability of the corrected verticality detection ruler.
And rotating the digital display micrometer head to calibrate the indicating values in two directions of the zero position, respectively giving a standard value relative to a calibration point from the digital display micrometer head at the calibration position, reading from an indicating meter of the verticality detection ruler, and subtracting the standard value from the reading value to obtain the indicating value error of the corresponding point.
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 a verticality detection ruler is characterized by comprising:
a base seat is arranged on the base seat,
the upright post is arranged on the upper surface of the base;
the clamping assembly comprises an upper clamping unit and a lower clamping unit, the upper clamping unit is arranged at the top of the upright column, the lower clamping unit is positioned on the side edge of the upright column, and the upper clamping unit and the lower clamping unit are positioned on the same side;
and the fine adjustment assembly is arranged at the upper end of the upper end clamping unit and used for adjusting the position of the detection ruler.
2. The calibrating device for the verticality detecting ruler according to claim 1, further comprising a flange plate, wherein the flange plate is installed on the upper surface of the base, and the lower end of the upright and the lower end clamping unit are connected with the flange plate.
3. The calibrating device for the verticality detection ruler according to claim 2, wherein the upper clamping unit comprises a measuring base and a locking screw, the measuring base is fixedly connected to the upper end of the upright column, a first slot for locking the detection ruler is formed in the measuring base, and one end of the locking screw penetrates through the measuring base to extend into the first slot for locking the detection ruler extending into the first slot.
4. The device as claimed in claim 3, wherein a fine adjustment screw is provided on the inner wall of the first slot for fine adjustment of the measuring rule.
5. The calibrating device for the verticality detection ruler according to claim 2, wherein the lower clamping unit comprises a base, a fastening screw and a limiting screw, the base is connected with the flange, a second slot is formed in the base, one end of the fastening screw penetrates through the base and extends into the second slot for locking the detection ruler extending into the second slot, and the limiting screw penetrates through the lower portion of the base.
6. The calibrating device for the verticality detection ruler according to claim 1, wherein the fine-tuning assembly comprises a guide plate, a digital display micrometer head, an elastic unit and a guide shaft, the guide shaft penetrates through the guide plate from top to bottom from the upper end of the guide plate and extends into the upper end clamping unit, a shaft sleeve is sleeved on the part, located inside the guide plate, of the guide shaft, one end of the digital display micrometer head extends into the guide plate from one side of the guide plate, and one end of the elastic unit extends into the guide plate from the other side of the guide plate.
7. The calibrating device for the verticality detecting ruler of claim 6, wherein the elastic unit comprises a spring seat, a spring and a top rod, one end of the top rod extends into the guide plate, the other end of the top rod extends into the spring seat, and the spring is wound on the top rod.
8. The device of claim 1, wherein a felt pad is attached to the lower surface of the base.
9. The calibrating device for the verticality detecting ruler of claim 8, wherein the felt pad comprises a first back cap, a second back cap, a bottom pad and a foot screw rod, the foot screw rod 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 rod, and the bottom pad is fixedly connected to the lower end of the foot screw rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120917767.6U CN214621109U (en) | 2021-04-29 | 2021-04-29 | Calibration device for verticality detection ruler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120917767.6U CN214621109U (en) | 2021-04-29 | 2021-04-29 | Calibration device for verticality detection ruler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214621109U true CN214621109U (en) | 2021-11-05 |
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ID=78406228
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120917767.6U Active CN214621109U (en) | 2021-04-29 | 2021-04-29 | Calibration device for verticality detection ruler |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214621109U (en) |
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2021
- 2021-04-29 CN CN202120917767.6U patent/CN214621109U/en active Active
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