CN210123267U

CN210123267U - Dipperstick for engineering survey

Info

Publication number: CN210123267U
Application number: CN201921388451.1U
Authority: CN
Inventors: 贾斌
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-08-23
Filing date: 2019-08-23
Publication date: 2020-03-03
Anticipated expiration: 2029-08-23

Abstract

The utility model relates to the technical field of engineering survey, and discloses a measuring scale for engineering survey, which comprises a lower scale, wherein the upper end of the lower scale is fixedly connected with a lower central line, the upper end of the lower scale is fixedly connected with a clamping groove, the inner part of the lower scale is fixedly connected with an extension mechanism, the side wall of the lower scale is provided with an extension hole, the lower scale is provided with a connecting hole penetrating through the upper wall and the lower wall of the lower scale, and a fixing shaft is sleeved in the connecting hole, the measuring scale for engineering survey can measure the included angle and the side length of a wall corner or an object at one time through the matching use among the extension mechanism, the lower scale, the upper scale and a circular angle scale, avoids the error caused by the difference of datum points used by multiple times of measurement, simultaneously, the side wall of the object is tightly measured through the upper scale and the circular angle scale is observed between the lower central line and the upper central line, so as to avoid delaying the progress of the project, and the device has simple structure and is convenient to carry.

Description

Dipperstick for engineering survey

Technical Field

The utility model relates to an engineering survey technical field especially relates to a dipperstick for engineering survey.

Background

Engineering survey is mainly surveying and mapping work performed at various stages of survey design and operation by various measuring instruments in various projects, such as urban construction, traffic, water conservancy, mines, marine construction and large-scale precision equipment installation.

Engineering survey is the indispensable partly in projects such as building, repair the bridge, fitment, engineering survey's accurate direct influence is to the good or bad of each engineering implementation, but traditional engineering dipperstick is comparatively single, the dipperstick is only single carries out distance measurement, or need carry out a lot of measurements when measuring objects such as some corners just can acquire the length of wall and the angle of corner, waste operator's time and energy to a certain extent, influence the progress of project, the deviation appears easily when carrying out angle measurement simultaneously and measure the distance weak point.

To this end, we propose a measuring ruler for engineering measurement to solve the above problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a measuring scale for engineering measurement.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a dipperstick for engineering survey, includes the lower rule, central line under the upper end fixedly connected with of lower rule, the upper end fixedly connected with draw-in groove of lower rule, the inside fixedly connected with of lower rule extends the mechanism, the extension hole has been seted up to the lateral wall of lower rule, the connecting hole that runs through lower wall on the lower rule is seted up to the lower rule, the fixed axle has been cup jointed to the connecting hole, the circular angle scale of top fixedly connected with of fixed axle, the upper end fixedly connected with of fixed axle goes up the chi, the upper wall fixedly connected with of going up the chi goes up the central line, U type groove has been seted up to the bottom of going up the chi, the inner wall fixedly connected with hinge in U type groove, the.

Preferably, the extension mechanism includes the action wheel of fixing on the lower ruler inner wall and follows the driving wheel, the one end of action wheel runs through the lateral wall of lower ruler and extends to the outside, the cap is rotated to the one end fixed connection that the action wheel extends, the outer wall fixedly connected with tape measure of action wheel, the other end fixedly connected with fixed fixture block of tape measure, the tape measure transmission is connected with from the driving wheel to pass the extension hole via following the driving wheel and make fixed fixture block joint in the draw-in groove.

Preferably, the upper end of the upper ruler is fixedly connected with a clamping groove, the inner part of the upper ruler is fixedly connected with an extension mechanism, the side wall of the upper ruler is provided with an extension hole, and the upper ruler is provided with a connecting hole penetrating through the upper wall and the lower wall of the upper ruler.

Preferably, the lower midline is the centerline of the lower ruler, and the upper midline is the centerline of the upper ruler.

Preferably, the upper ends of the upper ruler and the lower ruler are provided with two twenty-five centimeter scale marks with the precision of one millimeter, wherein the scale marks on the upper ruler are symmetrical about the upper central line, and the scale marks on the lower ruler are symmetrical about the lower central line.

Preferably, the circular angle disc is a circular plastic disc with 360 degrees, and the circular angle disc is transparent.

Compared with the prior art, the beneficial effects of the utility model are that:

1. this dipperstick for engineering survey passes through the cooperation between lower rule, upper scale and the circular angle scale, when carrying out object angular surveying, can be that lower rule and upper scale fastening are at the border of testee then painful circular angle scale observe down the angle between central line and the last central line to the angle limit is not accurate enough when reaching avoiding angular surveying, and makes angular surveying accurate inadequately, has delayed the progress of engineering or has delayed the engineering.

2. This dipperstick for engineering survey is through the upper ruler, the lower ruler, circular angle scale and the cooperation between the mechanism of extending, when carrying out objects such as corner and measuring, can be parallel with the corner through upper ruler and lower ruler, then carry out the measurement of angle through lower central line and upper central line and circular angle scale, the tape measure in upper ruler and the lower ruler of also can extending simultaneously carries out the measurement of length, in order to reach the angle that obtains corner or object and length with carrying out one step of operation, the reference point is different and lead to producing the error when preventing separately to measure, influence the progress of engineering.

Drawings

FIG. 1 is a top perspective view of the present invention;

FIG. 2 is a front perspective view of the structure of the present invention;

FIG. 3 is a front view of the structure of the present invention;

fig. 4 is a bottom view of the upper ruler structure of the present invention;

FIG. 5 is an enlarged view of a portion of FIG. 1 at A;

fig. 6 is a partially enlarged view of fig. 1 at B.

In the figure: 1. a ruler is drawn; 2. a lower midline; 3. a card slot; 4. an extension mechanism; 401. a driving wheel; 402. rotating the cap; 403. a driven wheel; 404. measuring tape; 405. fixing the fixture block; 5. connecting holes; 6. a fixed shaft; 7. a circular angle scale; 8. putting a ruler; 9. an upper midline; 10. an extension hole; 11. a U-shaped groove; 12. a hinge; 13. u type bracing piece.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-6, a measuring scale for engineering measurement comprises a lower scale 1, the lower scale 1 is a rectangular structure with a hollow interior, the upper end of an upper scale 8 is provided with two scales of twenty-five centimeters with a precision of one millimeter, the scales on the lower scale 1 are symmetrical with respect to a lower center line 2, the upper end of the lower scale 1 is fixedly connected with the lower center line 2, the lower center line 2 is positioned at the center line of the upper surface of the lower scale 1, the upper end of the lower scale 1 is fixedly connected with a clamping groove 3, the clamping groove 3 is matched with a fixed clamping block 405, an extending mechanism 4 is fixedly connected inside the lower scale 1, the side wall of the lower scale 1 is provided with an extending hole 10, the extending hole 10 is arranged at the symmetrical side wall of the end of the lower scale 1 where a connecting hole 5 is positioned, the lower scale 1 is provided with a connecting hole 5 penetrating through the upper and lower walls of the lower scale 1, the connecting hole 5 is sleeved with a fixed shaft 6, the top end of the fixed shaft 6 is fixedly connected with a circular angle disc 7, the circular angle disc 7 is a circular plastic disc with 360 degrees, the circular angle disc 7 is transparent, the upper end of the fixed shaft 6 is fixedly connected with an upper ruler 8, the upper wall of the upper ruler 8 is fixedly connected with an upper central line 9, the bottom end of the upper ruler 8 is provided with a U-shaped groove 11, the inner wall of the U-shaped groove 11 is fixedly connected with a hinge 12, the hinge 12 is rotatably connected with a U-shaped supporting rod 13, the U-shaped supporting rod 13 is matched with the other U-shaped grooves 11, the height of the U-shaped supporting rod 13 is equal to the sum of the height of the lower ruler 1 and the gap between the lower ruler 1 and the upper ruler 8, the upper end of the upper ruler 8 is fixedly connected with a clamping groove 3, the inside of the upper ruler 8 is fixedly connected with an extension mechanism 4, the side wall of the upper ruler 8 is provided with an extension hole 10, the upper, the accuracy is one millimeter and the graduation marks on the upper scale 8 are symmetrical about the upper centre line 9.

Extension mechanism 4 is including fixing action wheel 401 on lower rule 1 inner wall and following driving wheel 403, wherein action wheel 401 is close to extension hole 10, and follow driving wheel 403 is close to connecting hole 5, the one end of action wheel 401 runs through the lateral wall of lower rule 1 and extends to the outside, the one end fixed connection that action wheel 401 extends rotates cap 402, it conveniently rotates and retrieves tape 404 to rotate cap 402, the outer wall fixedly connected with tape 404 of action wheel 401, tape 404's length is six meters, and the precision is one millimeter, the other end fixedly connected with fixed fixture block 405 of tape 404, fixed fixture block 405 and draw-in groove 3 looks adaptation, tape 404 transmission is connected from driving wheel 403, and pass extension hole 10 through from driving wheel 403 and make fixed fixture block 405 joint to draw-in groove 3, make things convenient for tape 404 to shrink fixedly.

The working principle of the utility model is that when the device is used, when the linear distance is measured, the fixed fixture block 405 is taken out from the clamping groove 3, the tape 404 in the upper ruler 8 or the lower ruler 1 is pulled to extend for length measurement, at the moment, the tape 404 drives the driven wheel 403 and the driving wheel 401 to rotate, the tape 404 falls off from the driving wheel 401, thereby the length measured by the tape 404 is increased, then the measured data is read and recorded, meanwhile, when the angle is measured, the lower ruler 1 and the upper ruler 8 can be rotated to be close to the two side walls of the object to be measured or the symmetrical corner of the object to be measured, then the U-shaped support rod 13 is rotated out from the U-shaped groove 11 through the rotating hinge 12, the device is stabilized, then the included angle formed between the lower central line 2 and the upper central line 9 is observed and recorded through the circular angle dial 7, when the angle and the object are measured, firstly, the device is stabilized by rotating the U-shaped support rod 13, the upper ruler 1 and the lower ruler 8 are fixed on the side wall or the corner of the object to be measured, then the fixed fixture block 405 is taken out from the clamping groove 3, the extended tape 404 is stretched to the top point of the object to be measured, the included angle of the upper central line 9 and the lower central line 2 on the circular angle disc 7 is observed through the circular angle disc 7, and finally data recording is carried out.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The measuring scale for engineering measurement comprises a lower scale (1) and is characterized in that a lower central line (2) is fixedly connected to the upper end of the lower scale (1), a clamping groove (3) is fixedly connected to the upper end of the lower scale (1), an extending mechanism (4) is fixedly connected to the inner portion of the lower scale (1), an extending hole (10) is formed in the side wall of the lower scale (1), a connecting hole (5) penetrating through the upper wall and the lower wall of the lower scale (1) is formed in the lower scale (1), a fixing shaft (6) is sleeved on the connecting hole (5), a circular angle scale (7) is fixedly connected to the top end of the fixing shaft (6), an upper scale (8) is fixedly connected to the upper end of the fixing shaft (6), an upper central line (9) is fixedly connected to the upper scale (8), a U-shaped groove (11) is formed in the bottom end of the upper scale (8), and a hinge (12) is fixedly connected, the hinge (12) is rotatably connected with a U-shaped supporting rod (13).

2. The measuring scale for engineering measurement as claimed in claim 1, wherein the extension mechanism (4) comprises a driving wheel (401) and a driven wheel (403) fixed on the inner wall of the lower scale (1), one end of the driving wheel (401) penetrates through the side wall of the lower scale (1) and extends to the outside, one end of the driving wheel (401) is fixedly connected with a rotating cap (402), the outer wall of the driving wheel (401) is fixedly connected with a tape (404), the other end of the tape (404) is fixedly connected with a fixed clamping block (405), the tape (404) is in transmission connection with the driven wheel (403), and the driven wheel (403) penetrates through the extension hole (10) to enable the fixed clamping block (405) to be clamped into the clamping groove (3).

3. The measuring scale for engineering measurement according to claim 1, wherein a clamping groove (3) is fixedly connected to the upper end of the upper scale (8), an extending mechanism (4) is fixedly connected to the inside of the upper scale (8), an extending hole (10) is formed in the side wall of the upper scale (8), and a connecting hole (5) penetrating through the upper wall and the lower wall of the upper scale (8) is formed in the upper scale (8).

4. The measuring rule for engineering measurements according to claim 1, characterized in that the lower median line (2) is the centre line of the lower rule (1), the upper median line (9) being located at the centre line of the upper rule (8).

5. The measuring rule for engineering survey according to claim 1, characterized in that the upper ends of the upper rule (8) and the lower rule (1) are provided with two scales of twenty-five centimeters with a precision of one millimeter, wherein the scales on the upper rule (8) are symmetrical with respect to the upper median (9) and the scales on the lower rule (1) are symmetrical with respect to the lower median (2).

6. Measuring ruler for engineering measurements according to claim 1, characterized in that said circular angle scale (7) is a circular plastic scale with 360 degrees, and that the circular angle scale (7) is transparent.