CN210014728U - Compound measuring tool - Google Patents
Compound measuring tool Download PDFInfo
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- CN210014728U CN210014728U CN201921240955.9U CN201921240955U CN210014728U CN 210014728 U CN210014728 U CN 210014728U CN 201921240955 U CN201921240955 U CN 201921240955U CN 210014728 U CN210014728 U CN 210014728U
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Abstract
The utility model relates to a measuring tool technical field especially relates to a compound measuring tool. The method comprises the following steps: a main ruler, an auxiliary ruler and an angle ruler; the main scale comprises a measuring part; the auxiliary ruler is provided with scales, the auxiliary ruler is attached to the main ruler, and the auxiliary ruler can move relative to the measuring part; the angle ruler comprises: the scale panel, rotatory needle, the rotatory needle can rotate relative to the scale panel. In the prior art, different kinds of measuring tools are needed to be matched for use, so that different kinds of parameters of the large-scale structural module can be measured, and the operation of workers is inconvenient. Compared with the prior art, the utility model discloses a main scale, vice chi, angle ruler three's cooperation can effectively measure welding seam unfitness of butt joint, welding seam groove root clearance width, welding seam groove angle to and height difference, width distance, contained angle number of degrees, thereby the effectual quick compliance of having satisfied different kind parameters to the structure module is judged and the accurate measurement demand.
Description
Technical Field
The utility model relates to a measuring tool technical field especially relates to a compound measuring tool.
Background
The large structural modules of a nuclear power plant are mainly used for forming a nuclear island room of the nuclear power plant, such as: the reactor chamber, the steam generator compartment, the voltage stabilizer compartment, the refueling water pool and the spent fuel water pool are used for carrying out nuclear safety function and anti-seismic performance.
The structure of large-scale structure module is complicated, and is higher to size precision requirement simultaneously, if produce the size deviation in the work progress, can produce serious harmful effects to the overall construction progress of nuclear power station, consequently need measure in order to carry out 100% measurement inspection to large-scale structure module to multiple different kind of parameter in the work progress, this needs multiple different kind's measuring tool cooperation to measure.
Chinese patent discloses a self-adaptive angle ruler [ application number: CN201821748702.8, publication No.: CN208795149U ] includes: the auxiliary ruler is provided with a turntable, and is hinged to the main ruler through the turntable, the angle ruler is arranged at the right end of the main ruler, the second scales are machined on the angle ruler, the clamping plate is arranged on the outer side of the pointer, the positioning column is arranged on the clamping plate, the limiting grooves are formed in the angle rulers on the two sides of the pointer, and the angle ruler and the main ruler are integrally machined. Although the length measurement and the angle measurement can be performed simultaneously, the method is not suitable for the width measurement, and at the same time, when the difference between the height and the height of two planes occurs, the effective measurement is difficult. It is seen that it is necessary to design a measuring tool capable of measuring a number of different kinds of parameters.
SUMMERY OF THE UTILITY MODEL
To prior art's technical problem, the utility model provides a compound measuring tool.
In order to solve the technical problem, the utility model provides a following technical scheme:
a composite measurement tool comprising: a main ruler, an auxiliary ruler and an angle ruler; the main scale comprises a measuring part; the auxiliary ruler is provided with scales, the auxiliary ruler is attached to the main ruler, and the auxiliary ruler can move relative to the measuring part; the angle ruler comprises: the scale panel, rotatory needle, the rotatory needle can rotate relative to the scale panel.
Will measure the portion of measurement and the laminating of the surface that awaits measuring of structure module mutually, remove vice chi, make vice chi move for the main scale, thereby make vice chi move for measuring the portion of measurement, and then make vice chi and another surface that awaits measuring of structure module laminate mutually, convert the interval between two surfaces that await measuring of structure module into the relative displacement between measuring portion and the vice chi from this, at this moment, can acquire the interval between two surfaces that await measuring through reading the numerical value of the corresponding scale on measuring portion and the vice chi, can acquire the height difference of two planes of structure module on the one hand, on the other hand can acquire the width distance between two planes of structure module. The auxiliary ruler is attached to the surface to be measured, the rotating needle is rotated to enable the rotating needle to be attached to the other surface to be measured, the included angle between the two surfaces to be measured is converted into the included angle between the rotating needle and the auxiliary ruler, and the included angle degree between the two surfaces to be measured can be obtained by reading the numerical value of the corresponding scale on the rotating needle and the scale panel. To sum up, the utility model discloses can measure welding seam unfitness of butt joint, welding seam groove root clearance width, welding seam groove angle to and height difference, width distance, contained angle number of degrees, can effectually satisfy the measurement demand to the different kind parameters of structural module.
Further, the main scale also comprises a main scale attaching part; the auxiliary ruler further comprises an auxiliary ruler attaching portion used for being attached to the main ruler attaching portion, the auxiliary ruler attaching portion can move along the main ruler attaching portion relative to the measuring portion, and two side arms of the auxiliary ruler correspond to the measuring portion.
Further, the measuring part comprises a width measuring part and a position difference measuring part which are respectively positioned at two sides of the main ruler attaching part; one side arm of the auxiliary ruler and the width measuring part are positioned on the same side of the auxiliary ruler attaching part, and the other side arm of the auxiliary ruler and the position difference measuring part are respectively positioned on two sides of the auxiliary ruler attaching part.
Further, the device also comprises a jacket, wherein the jacket comprises a groove and a scale panel; the main ruler attaching part and the auxiliary ruler attaching part are embedded in the groove; an observation window is arranged on the scale panel and corresponds to the joint part of the auxiliary ruler.
Further, the jacket also comprises a jacket knob, and the jacket knob penetrates through the scale panel.
Furthermore, the jacket knob penetrates through one end of the scale panel to be provided with a thread structure, and the other end of the jacket knob is provided with anti-skid patterns.
Further, the rotating needle comprises a detection needle, an indicating needle and an annular connecting part; the pointer corresponds to the scale panel; the probe needle passes through annular connecting portion with pointer fixed connection.
Furthermore, one side surface of the probe needle and the axis of the annular connecting part are positioned on the same plane.
Furthermore, the angle ruler also comprises an angle ruler knob, and the angle ruler knob penetrates through the annular connecting part to be connected with the scale panel.
Furthermore, the one end that the angle ruler knob with the yardstick panel is connected is provided with helicitic texture, the other end of angle ruler knob is provided with anti-skidding decorative pattern.
Compared with the prior art, the utility model has the advantages of it is following:
the height difference, the width distance and the included angle degree can be effectively measured through the matching of the main ruler, the auxiliary ruler and the angle ruler, so that the measurement requirements on different kinds of parameters of the structural module are effectively met.
The auxiliary ruler is moved to enable the value currently represented to be a standard value, the clamping sleeve knob is screwed, and the auxiliary ruler is fixed through the clamping sleeve knob, so that whether the height difference or the width distance between the two planes to be detected exceeds the standard or not can be effectively detected through the device.
Rotate the rotating needle for the numerical value that shows at present is standard numerical value, twist angle chi knob, and it is fixed with the rotating needle through the angle chi knob, thereby can effectively detect through this device whether the contained angle between two planes that await measuring exceeds standard.
Drawings
FIG. 1: front view of the device.
FIG. 2: and (5) the overall structure view of the device.
FIG. 3: rotating the needle front view.
FIG. 4: a diagram of the measurement of potential differences.
FIG. 5: width measurement figure.
FIG. 6: angle measurement diagram.
In the figure: 1-main scale, 2-auxiliary scale, 3-angle scale, 4-jacket, 12-main scale joint part, 21-side arm, 22-auxiliary scale joint part, 31-angle scale knob, 32-scale panel, 33-rotary needle, 41-groove, 42-scale panel, 43-jacket knob, 111-width measuring part, 112-potential difference measuring part, 211-first side arm, 212-second side arm, 331-probe needle, 332-indicator needle, 333-annular connecting part and 421-observation window.
Detailed Description
The following are specific embodiments of the present invention and the accompanying drawings are used to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.
The first embodiment is as follows:
a composite measurement tool comprising: main scale 1, sub scale 2. The main scale 1 includes a main scale attaching portion 12 and a measuring portion. The measuring unit includes a width measuring unit 111 and a position difference measuring unit 112.
The auxiliary ruler 2 is of a C type, the auxiliary ruler 2 comprises two side arms 21 and further comprises an auxiliary ruler attaching portion 22 used for being attached to the main ruler attaching portion 12, scales are arranged on the auxiliary ruler attaching portion 22, the scale precision is 0.5mm, the first side arm 211 of the auxiliary ruler 2 and the width measuring portion 111 are located on the same side of the auxiliary ruler attaching portion 22, and the second side arm 212 of the auxiliary ruler 2 and the position difference measuring portion 112 are located on two sides of the auxiliary ruler attaching portion 22 respectively. The sub-scale attaching portion 22 is movable along the main scale attaching portion 12, so that the two side arms 21 of the sub-scale 2 are moved relative to the width measuring portion 111 and the position difference measuring portion 112, respectively.
The jacket 4 is further included, and the jacket 4 comprises a groove 41, a scale panel 42 and a jacket knob 43. The main scale attaching portion 12 and the sub scale attaching portion 22 are fitted in the concave groove 41, and the main scale attaching portion 12 is fixedly connected to the concave groove 41. The scale on the scale panel 42 corresponds to the scale on the sub-scale attaching portion 22, the precision of the scale on the scale panel 42 is 0.5mm, the observation window 421 is further arranged on the scale panel 42, and the observation window 421 corresponds to the sub-scale attaching portion 22, so that the scale on the sub-scale attaching portion 22 can be observed through the observation window 421, and the scale on the scale panel 42 is compared with the scale on the sub-scale attaching portion 22. One end of the jacket knob 43 is provided with a thread structure, the other end is provided with an anti-slip pattern, and the end of the jacket knob 43 provided with the thread structure passes through the scale panel 42, so that the end provided with the thread structure is enabled to be inconsistent with the auxiliary ruler fitting part 22 by screwing the end provided with the anti-slip pattern.
In actual use, as shown in fig. 4, if a specific dimensional value of the height difference between the planes a and B needs to be measured, the difference measuring portion of the main scale is attached to the plane a. And moving the auxiliary ruler to enable the auxiliary ruler attaching part to move along the main ruler attaching part, so that the second side arm of the auxiliary ruler moves relative to the position difference measuring part, and continuously moving the auxiliary ruler until the second side arm of the auxiliary ruler is attached to the plane B. Thus, the height difference between the plane A and the plane B is converted into the distance of relative movement between the second side arm of the sub ruler and the position difference measuring part. The main ruler attaching part is fixedly connected with the groove of the jacket, so that the relative movement distance between the second side arm and the position difference measuring part is converted into the relative movement between the auxiliary ruler and the jacket. The scales on the scale panel are compared with the scales on the auxiliary ruler fitting part through the observation window on the scale panel, so that the current size numerical value is obtained through the relative change of the scales on the scale panel and the auxiliary ruler fitting part.
And if the size of the height difference between the plane A and the plane B needs to be judged to exceed the standard, moving the auxiliary ruler to enable the second side arm of the auxiliary ruler to move relative to the position difference measuring part until the size value currently represented is the maximum value allowed by the standard. At this moment, the clamp sleeve knob is screwed, so that the clamp sleeve knob is abutted to the auxiliary ruler attaching part, and the auxiliary ruler is fixed through the clamp sleeve knob. If the potential difference measuring part can be attached to the plane A and a gap is formed between the second side arm of the auxiliary ruler and the plane B, the fact that the height potential difference between the plane A and the plane B is larger than the maximum allowable value is indicated, namely the judgment result is out of limit, if the potential difference measuring part can be attached to the plane A and the side arm of the auxiliary ruler can be attached to the plane B, the fact that the height potential difference between the plane A and the plane B is equal to the maximum allowable value is indicated, namely the judgment result is qualified, if a gap is formed between the potential difference measuring part and the plane A and the second side arm of the auxiliary ruler can be attached to the plane B, the fact that the height potential difference between the plane A and the plane B is smaller than the maximum allowable value is indicated, and the fact that the result is qualified is determined.
As shown in fig. 5, if a specific dimension value of the width between the plane C and the plane D needs to be measured, the width measuring part is attached to the plane C, the sub ruler is moved so that the first side arm of the sub ruler moves relative to the width measuring part, the sub ruler is continuously moved until the first side arm of the sub ruler is attached to the plane D, so that the width between the plane C and the plane D is converted into a relative movement between the first side arm and the width measuring part, and the main ruler attaching part is fixedly connected to the groove of the jacket, so that the relative movement between the first side arm and the width measuring part is converted into a relative movement between the sub ruler and the jacket. The scales on the scale panel are compared with the scales on the auxiliary ruler attaching portion through the observation window, so that the current size numerical value is obtained through the relative change of the scales on the scale panel and the auxiliary ruler attaching portion.
If the width between the plane C and the plane D needs to be judged to be overproof, the auxiliary ruler is moved, the first side arm of the auxiliary ruler moves relative to the width measuring part until the currently expressed size value is the minimum value allowed by the standard, the jacket knob is screwed to fix the auxiliary ruler, the device is moved, if one end of the device, provided with the width measuring part, can be placed in a gap between the plane C and the plane D, the width between the plane C and the plane D is larger than or equal to the minimum value, and if not, the width between the plane C and the plane D is smaller than the minimum value. Reversely twisting the jacket knob to enable the auxiliary ruler to move, moving the auxiliary ruler until the size numerical value currently represented is the maximum numerical value allowed by the standard, twisting the jacket knob to fix the auxiliary ruler, moving the device, and if one end of the device, which is provided with the width measuring part, can be placed in a gap between the planes C and D, indicating that the width size between the planes C and D is larger than or equal to the maximum numerical value, and otherwise, indicating that the width size is smaller than the maximum numerical value. In summary, if the width dimension is between the minimum value and the maximum value, the width dimension is qualified, otherwise, the width dimension is out of limits.
The angle ruler 3 is further included, the angle ruler 3 comprises an angle ruler knob 31, a scale panel 32 and a rotating needle 33, and the rotating needle 33 can rotate relative to the scale panel 32. The rotary needle 33 includes a detection needle 331, an indicator needle 332, and an annular connecting portion 333, wherein the detection needle 331 is fixedly connected with the indicator needle 332 through the annular connecting portion 333, so that the detection needle 331 and the indicator needle 332 can rotate synchronously, and the indicator needle 332 corresponds to the scale panel 32.
One end of the angle ruler knob 31 is provided with a thread structure, the other end is provided with anti-slip patterns, and the end of the angle ruler knob 31 provided with the thread structure passes through the annular connecting part 333 to be connected with the scale panel 32, so that the angle ruler knob 31 can be abutted against the annular connecting part 333 by screwing the end of the angle ruler knob 31 provided with the anti-slip patterns.
As shown in fig. 6, if the included angle degree between the plane E and the plane F needs to be measured, the probe pin is rotated, so that the pointer is driven to rotate together, the probe pin can be attached to the plane E, and the second side arm of the auxiliary ruler can be attached to the plane F. Therefore, the included angle between the planes E and F is converted into the rotation angle of the probe, and the scale numerical value on the scale panel indicated by the indication scale on the pointer is the included angle degree between the planes E and F. Wherein the side that probe needle and plane E laminated mutually, the instruction scale on the pointer, the axial lead three of annular connecting portion are located the coplanar, can effectively reduce probe needle self width to the influence of measuring and then reduce measuring error.
If the included angle degree between the plane E and the plane F needs to be judged to be overproof, the probe pin is rotated until the degree indicated by the pointer is the minimum value allowed by the standard, the angle ruler knob is screwed, so that the angle ruler knob is inconsistent with the annular connecting part, and the rotating pin is fixed through the angle ruler knob. Remove this device, if the second lateral arm of assistant's chi can laminate mutually with plane F, and the probe can laminate mutually with plane E, then indicate that the contained angle degree of degrees is equal with minimum numerical value. If the second side arm of the auxiliary ruler can be attached to the plane F and a gap exists between the probe needle and the plane E, the degree of the included angle is smaller than the minimum value. If the second side arm of the auxiliary ruler can not be attached to the plane F and the probe can not be attached to the plane E, the degree of the included angle is larger than the minimum value. The angle gauge knob is reversely screwed, so that the probe needle can rotate, the probe needle is rotated until the degree indicated by the pointer is the maximum numerical value allowed by the standard, and the relation between the included angle degree and the maximum numerical value can be judged in the same way. If the included angle degree is between the minimum value and the maximum value, the included angle degree is qualified, otherwise, the included angle degree exceeds the standard.
Example two:
as shown in fig. 4, if a specific size value of the height difference between the plane a and the plane B needs to be measured, the height difference measuring portion of the main scale is attached to the plane a. And moving the auxiliary ruler to enable the auxiliary ruler attaching part to move along the main ruler attaching part, so that the second side arm of the auxiliary ruler moves relative to the position difference measuring part, and continuously moving the auxiliary ruler until the second side arm of the auxiliary ruler is attached to the plane B. Thus, the height difference between the plane A and the plane B is converted into the distance of relative movement between the second side arm of the sub ruler and the position difference measuring part. The scale value on the bottom surface of the potential difference measuring part, namely the joint part of the auxiliary ruler corresponding to the joint plane of the potential difference measuring part and the plane A, is the size value of the height potential difference.
As shown in fig. 5, if a specific dimension value of the width between the plane C and the plane D needs to be measured, the width measuring portion is attached to the plane C, the sub-scale is moved, so that the first side arm of the auxiliary ruler moves relative to the width measuring part, the second side arm of the auxiliary ruler moves relative to the position difference measuring part, the auxiliary ruler is continuously moved until the side arm of the auxiliary ruler is attached to the plane D, thereby converting the width between the plane C and the plane D into the distance of relative movement between the first side arm and the width measuring part, wherein the two side arms of the auxiliary ruler are fixedly connected with the joint part of the auxiliary ruler, so that the two side arms move together, thereby converting the distance of relative movement between the first side arm and the width measuring part into the distance of relative movement between the second side arm and the position difference measuring part, the scale value on the sub ruler attaching part corresponding to the bottom surface of the potential difference measuring part is the size value of the high and low potential differences.
Example three:
if the misalignment amount of the welding seam needs to be measured, the position difference measuring part is attached to a plane to be measured on one side of the groove of the welding seam, the auxiliary ruler is moved, the auxiliary ruler attaching part moves along the main ruler attaching part, so that the second side arm of the auxiliary ruler moves relative to the position difference measuring part until the second side arm of the auxiliary ruler is attached to the plane to be measured on the other side of the groove of the welding seam, therefore, the height difference between the planes to be measured on the two sides of the groove is converted into the relative movement distance between the second side arm of the auxiliary ruler and the position difference measuring part, the main ruler attaching part is fixedly connected with the groove of the jacket, and the relative movement distance between the second side arm and the position difference measuring part is converted into the relative movement between the auxiliary ruler. The scales on the scale panel are compared with the scales on the auxiliary ruler fitting part through the observation window on the scale panel, so that the current size numerical value is obtained through the relative change of the scales on the scale panel and the auxiliary ruler fitting part.
And if the misalignment of the welding seam is required to be judged to exceed the standard, moving the auxiliary ruler to enable the second side arm of the auxiliary ruler to move relative to the position difference measuring part until the currently expressed size value is the maximum value allowed by the standard. At this moment, the clamp sleeve knob is screwed, so that the clamp sleeve knob is abutted to the auxiliary ruler attaching part, and the auxiliary ruler is fixed through the clamp sleeve knob. When the potential difference measuring part is higher than the second side arm, the potential difference measuring part is attached to a plane to be measured with higher vision in the two planes to be measured, if a gap exists between the second side arm and the other plane to be measured, the fact that the height potential difference between the two planes to be measured is larger than an allowable maximum value is indicated, the judgment result is standard exceeding, if the potential difference measuring part and the second side arm can be respectively attached to the two planes to be measured, the fact that the height potential difference between the two planes to be measured is equal to the allowable maximum value is indicated, the judgment result is qualified, if the potential difference measuring part cannot be attached to the plane to be measured with higher vision and the second side arm can be attached to the other plane to be measured, the fact that the height potential difference between the two planes to be measured is smaller than the allowable maximum value is indicated, and the judgment result is qualified.
If the width in welding seam groove root clearance needs to be measured, put into the clearance of welding seam groove root with the one end that this device was provided with width measurement portion, remove vice chi, make the first side arm of vice chi move for width measurement portion, until width measurement portion, first side arm is laminated with two planes that await measuring in clearance respectively mutually, thereby convert the width in clearance into the relative movement distance between first side arm and the width measurement portion, compare the scale on the scale panel and the scale in the vice chi laminating portion through the observation window, thereby obtain current size numerical value through the relative change of the scale in scale panel and the vice chi laminating portion.
If the width of the gap at the root of the welding seam groove needs to be judged to be overproof, the auxiliary ruler is moved, the first side arm of the auxiliary ruler moves relative to the width measuring part until the currently expressed size value is the minimum value allowed by the standard, the clamping sleeve knob is screwed to fix the auxiliary ruler, the device is moved, if one end of the device, which is provided with the width measuring part, can be placed in the gap at the root of the welding seam groove, the width of the gap is larger than or equal to the minimum value, and otherwise, the width of the gap is smaller than the minimum value. Reversely twisting the jacket knob to enable the auxiliary ruler to be moved, moving the auxiliary ruler until the size numerical value currently represented is the maximum numerical value allowed by the standard, twisting the jacket knob to fix the auxiliary ruler, moving the device, and if one end of the device, which is provided with the width measuring part, can be placed in the gap at the root part of the groove of the welding seam, indicating that the width of the gap is larger than or equal to the maximum numerical value, and if the other end is smaller than the maximum numerical value, the device can be used for measuring the width of the gap. In summary, if the width of the gap is between the minimum value and the maximum value, the width of the gap is qualified, otherwise the gap is out of limits.
If the groove angle of the welding seam needs to be measured, the probe needle is placed into the welding seam, the second side arm of the auxiliary ruler is attached to the surface of the base metal of the welding seam, the probe needle is rotated, the indicating needle is driven to rotate together, the probe needle can be attached to the surface of the groove of the welding seam, and the scale value on the scale panel indicated by the indicating needle is the size of the groove angle of the welding seam.
If the size of judging welding seam groove angle is excessive, then rotate the probe pin, until the number of degrees that the pointer point-out indicates for the minimum numerical value that the standard can allow, twist angle chi knob for angle chi knob and annular connecting portion are inconsistent, thereby fix the rotating needle through the angle chi knob. The device is moved, if the second side arm of the auxiliary ruler can be attached to the surface of the base metal of the welding seam, and the probe can be attached to the surface of the groove of the welding seam, the angle of the groove of the welding seam is equal to the minimum value. If the second side arm can be attached to the surface of the base metal of the welding seam, and a gap exists between the probe and the surface of the groove of the welding seam, the fact that the angle of the groove of the welding seam is smaller than the minimum value is indicated. And if the second side arm cannot be attached to the surface of the parent metal of the welding seam and the probe cannot be attached to the surface of the groove of the welding seam, indicating that the angle of the groove of the welding seam is larger than the minimum value. And reversely twisting the angle ruler knob to enable the probe needle to rotate, rotating the probe needle until the degree indicated by the indicator needle is the maximum numerical value allowed by the standard, judging the relation between the welding seam groove angle and the maximum numerical value in the same way, if the welding seam groove angle is located between the minimum numerical value and the maximum numerical value, determining that the welding seam groove angle is qualified, and otherwise, determining that the welding seam groove angle exceeds the standard.
The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.
Claims (10)
1. A compound measuring tool which is characterized in that: the method comprises the following steps: a main ruler (1), an auxiliary ruler (2) and an angle ruler (3);
the main scale (1) comprises a measuring part;
scales are arranged on the auxiliary ruler (2), the auxiliary ruler (2) is attached to the main ruler (1), and the auxiliary ruler (2) can move relative to the measuring part;
the angle ruler (3) comprises: a scale panel (32), a rotation pin (33), the rotation pin (33) being rotatable relative to the scale panel (32).
2. A composite measuring tool according to claim 1, characterized in that: the main scale (1) further comprises a main scale attaching part (12);
the auxiliary ruler (2) further comprises an auxiliary ruler attaching portion (22) used for being attached to the main ruler attaching portion (12), the auxiliary ruler attaching portion (22) can move relative to the measuring portion along the main ruler attaching portion (12), and two side arms (21) of the auxiliary ruler (2) correspond to the measuring portion.
3. A composite measuring tool according to claim 2, characterized in that: the measuring part comprises a width measuring part (111) and a position difference measuring part (112) which are respectively positioned at two sides of the main scale attaching part (12);
one side arm of the auxiliary ruler (2) and the width measuring part (111) are positioned on the same side of the auxiliary ruler attaching part (22), and the other side arm of the auxiliary ruler (2) and the position difference measuring part (112) are respectively positioned on two sides of the auxiliary ruler attaching part (22).
4. A composite measuring tool according to claim 2, characterized in that: the clamp is characterized by further comprising a clamp sleeve (4), wherein the clamp sleeve (4) comprises a groove (41) and a scale panel (42);
the main scale attaching part (12) and the auxiliary scale attaching part (22) are embedded in the groove (41);
an observation window (421) is arranged on the scale panel (42), and the observation window (421) corresponds to the auxiliary ruler attaching part (22).
5. A composite measuring tool according to claim 4, characterized in that: the jacket (4) further comprises a jacket knob (43), and the jacket knob (43) penetrates through the scale panel (42).
6. A composite measuring tool according to claim 5, characterized in that: one end of the jacket knob (43) penetrating through the scale panel (42) is provided with a thread structure, and the other end of the jacket knob (43) is provided with anti-skid patterns.
7. A composite measuring tool according to claim 1, characterized in that: the rotating needle (33) comprises a detection needle (331), an indicating needle (332) and an annular connecting part (333);
the pointer (332) corresponds to the scale panel (32);
the detection needle (331) is fixedly connected with the indicating needle (332) through the annular connecting part (333).
8. A composite measuring tool according to claim 7, characterized in that: one side surface of the detection needle (331) and the axis of the annular connecting part (333) are positioned on the same plane.
9. A composite measuring tool according to claim 7, characterized in that: the angle ruler (3) further comprises an angle ruler knob (31), and the angle ruler knob (31) penetrates through the annular connecting part (333) to be connected with the scale panel (32).
10. A composite measuring tool according to claim 9, characterized in that: one end of the angle ruler knob (31) connected with the scale panel (32) is provided with a thread structure, and the other end of the angle ruler knob (31) is provided with anti-skid patterns.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921240955.9U CN210014728U (en) | 2019-08-02 | 2019-08-02 | Compound measuring tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921240955.9U CN210014728U (en) | 2019-08-02 | 2019-08-02 | Compound measuring tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210014728U true CN210014728U (en) | 2020-02-04 |
Family
ID=69319869
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921240955.9U Active CN210014728U (en) | 2019-08-02 | 2019-08-02 | Compound measuring tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210014728U (en) |
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2019
- 2019-08-02 CN CN201921240955.9U patent/CN210014728U/en active Active
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