Measuring scale for clearance measurement of contact channel

Abstract

The utility model relates to the technical field of construction engineering channel measurement, and discloses a measuring scale for clearance measurement of a contact channel, which comprises a bottom measuring scale, a top measuring scale and a horizontal scale, and a rotating structure is embedded in the top of the bottom measuring scale. In the measuring process, a measurer can press and rotate the top measuring scale, when the top measuring scale is rotated to a specific angle, the top measuring scale is loosened, and the reset spring jacks up the rotating cylinder under the elastic action, so that the upper teeth are continuously meshed with the lower teeth, and then the rotating angle of the top measuring scale is locked; the measuring personnel can also pull out the extension scale outwards so as to increase the measuring range of the measuring scale; measurement personnel can ensure the levelness and verticality of the measuring scale at a measurement position by using a combined measuring tool of the horizontal scale, the top measuring scale, the bottom measuring scale and the extension scale, so that multi-angle (horizontal, vertical and inclined 45 degrees) measurement clearance is realized, the measurement precision is ensured, and the practicability of the measuring scale is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to construction engineering passageway measurement technical field, concretely is a kind of measuring scale for communication passageway clearance measurement. BACKGROUND

[0002] In construction engineering, after tunnel or pit foundation excavation, communication passageway is formed, immediately erects grid, can provide timely support for communication passageway, grid steel frame has higher strength and rigidity, can bear larger load, enhances support strength;Erecting grid can also be used as part of support structure, and other support forms (such as bored pile, underground continuous wall etc.) jointly act, maintain the stability of communication passageway.

[0003] In prior art, in the process of communication passageway excavation and grid erection, there has been the problem of inconvenient and inaccurate clearance measurement for a long time, which not only affects the efficient construction of communication passageway excavation, but also limits the precision control in engineering acceptance process.

[0004] Therefore, after in-depth research and practice, a kind of measuring scale for communication passageway clearance measurement is pushed out, to solve these problems, provide protection for the efficient and orderly communication passageway. UTILITY MODEL CONTENTS

[0005] To solve the technical problem of inconvenient and inaccurate clearance measurement in the process of communication passageway excavation and grid erection in prior art, which not only affects the efficient construction of communication passageway excavation, but also limits the precision control in engineering acceptance process, the utility model provides a kind of measuring scale for communication passageway clearance measurement.

[0006] The utility model adopts the following technical scheme to realize: a kind of measuring scale for communication passageway clearance measurement, including bottom measuring scale and top measuring scale, the top of the bottom measuring scale is embedded with the rotation structure, the rotation structure is embedded and installed in the bottom of top measuring scale above, the rotation structure includes rotating base, reset spring, fixed seat and rotating cylinder, the rotation structure is used to rotate and lock the angle of bottom measuring scale and top measuring scale;

[0007] The rotating base is embedded and installed in the top of bottom measuring scale, the top of the rotating base is provided with installation cavity, the inner cavity bottom wall of the installation cavity is provided with threaded fixing hole, the reset spring is installed in the cavity inner bottom wall of installation cavity.

[0008] Preferably, the bottom of the fixed seat is integrally provided with a threaded rod, the fixed seat is installed in the interior of the installation cavity by the cooperation of the threaded rod and the threaded fixing hole, the seat body bottom of the fixed seat is annularly provided with upper teeth, the inner side cylinder wall bottom of the rotating cylinder is integrally provided with a boss, the boss top is annularly provided with lower teeth.

[0009] Preferably, the rotating cylinder is rotatably mounted in the inner cavity of the mounting cavity, the top of the return spring abuts against the bottom of the rotating cylinder, and the seat of the fixed base is located in the inner cavity of the rotating cylinder.

[0010] Preferably, a cover is installed at the top of the inner cavity of the rotating cylinder, an indicator arrow is installed on the outer periphery of the rotating cylinder, and a rotation scale line is engraved on the outer periphery of the rotating base.

[0011] Preferably, a level is installed on one side of the top measuring ruler, and the bottom measuring ruler and the top of the top measuring ruler are provided with measuring scales.

[0012] Preferably, a sliding groove is provided at one end of the bottom measuring ruler and the top measuring ruler, and a telescopic ruler is slidably installed in the inner cavity of the sliding groove.

[0013] Preferably, the telescopic ruler has a locking block at one end inside the sliding groove and a stop block at the other end outside the sliding groove.

[0014] Compared with the prior art, the beneficial effects of this utility model are:

[0015] This utility model features a rotating structure. During measurement, the operator can press and rotate the top measuring ruler. When the ruler reaches a specific angle, releasing the pressure will cause a return spring to lift the rotating cylinder, allowing the upper and lower teeth to continue meshing and locking the rotation angle of the top measuring ruler. When needed, the operator can also pull out the telescopic ruler to increase its measuring range. The level ruler has three bubble levels, which can measure the inclination of the horizontal plane, vertical plane, and 45° angle. By using the combination of the level ruler, top measuring ruler, bottom measuring ruler, and telescopic ruler, the operator can ensure the horizontal and vertical alignment of the measuring ruler at the measurement position, achieving multi-angle (horizontal, vertical, and 45° oblique) measurement clearance, ensuring measurement accuracy, and improving the practicality of the measuring ruler. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of the disassembly of the rotating structure provided by this utility model;

[0017] Figure 2 This is a schematic diagram of the overall rotating structure of this utility model;

[0018] Figure 3 This is a schematic diagram of the side section structure of the measuring ruler of this utility model. Figure 1 ;

[0019] Figure 4 for Figure 3 Enlarged structural diagram at point A in the diagram;

[0020] Figure 5The utility model discloses a measuring scale side section structure schematic diagram Figure 2 ;

[0021] Figure 6 The utility model discloses a level gauge structure schematic drawing;

[0022] Figure 7 The utility model discloses a measuring scale three -dimensional structure schematic diagram.

[0023] In the drawing: 1, bottom measuring scale;2, top measuring scale;3, rotating structure;4, rotating base;401, installation cavity;402, threaded fixing hole;5, return spring;6, fixed seat;601, upper tooth;7, rotating cylinder;701, lower tooth;8, cylinder cover;9, indicating arrow;10, sliding groove;11, telescopic ruler;12, clamping block;13, stop block;14, level gauge. DETAILED DESCRIPTION

[0024] Below, combining the drawings and specific implementation, the utility model is further described, need explaining, under the premise of not conflicting, the following description between each embodiment of the following description or between each technical feature can be arbitrarily combined to form new embodiment.

[0025] Please refer to Figure 1 Figure 7 The utility model discloses a kind of measuring scales for contact passage clearance measurement, including high-precision bottom measuring scale 1 and top measuring scale 2, rotating structure 3 is embedded and installed in the top of bottom measuring scale 1, rotating structure 3 includes rotating base 4, return spring 5, fixed seat 6 and rotating cylinder 7, for rotating adjustment and locking the angle of bottom measuring scale 1 and top measuring scale 2;

[0026] Further, rotating base 4 is embedded and installed in the top of bottom measuring scale 1, the top of rotating base 4 is provided with installation cavity 401, threaded fixing hole 402 is opened in the inner cavity bottom wall of installation cavity 401, return spring 5 is installed in the cavity inner bottom wall of installation cavity 401, threaded rod is integrally formed in the bottom of fixed seat 6, rotating cylinder 7 is rotatably installed in the inner cavity of installation cavity 401, the top of return spring 5 abuts against the bottom of rotating cylinder 7, the seat body of fixed seat 6 is located in the inner cavity of rotating cylinder 7;

[0027] Further, the seat body bottom of fixed seat 6 is annularly provided with upper tooth 601, the inner side cylinder bottom of rotating cylinder 7 is integrally formed with boss, lower tooth 701 is annularly provided on the top of boss, cylinder cover 8 is installed on the top of the cylinder of rotating cylinder 7, indicating arrow 9 is installed on the outer periphery of rotating cylinder 7, rotating scale line is engraved on the outer periphery of rotating base 4;

[0028] ​Specifically, when the fixed seat 6 is installed, the threaded rod thereof is passed through the rotating cylinder 7, so that the lower teeth 701 on the rotating cylinder 7 are in engagement with the upper teeth 601 on the fixed seat 6, and then the fixed seat 6 is installed in the interior of the installation cavity 401 through cooperation of the threaded rod and the threaded fixing hole 402, the reset spring 5 is located at the outer periphery of the fixed seat 6, the bottom of the rotating cylinder 7 abuts against the top of the reset spring 5, and the lower teeth 701 on the rotating cylinder 7 are in engagement with the upper teeth 601 on the fixed seat 6 under the elastic action of the reset spring 5, and the rotating cylinder 7 is embedded and installed in the bottom of the top measuring scale 2 together with the cylinder cover 8.

[0029] Specifically, the rotating cylinder 7 can rotate in the installation cavity 401, and thus the rotation angle between the top measuring scale 2 and the bottom measuring scale 1 can be adjusted. In use, the operator can press the top measuring scale 2 to drive the rotating cylinder 7 to move downward, at this time, the reset spring 5 is compressed under force, the upper teeth 601 are separated from the lower teeth 701, the operator rotates the top measuring scale 2 again, the rotation angle of the top measuring scale 2 (the vertical or horizontal state between the top measuring scale 2 and the bottom measuring scale 1 is selected) is determined through cooperation of the indicating arrow 9 and the rotation scale line, and finally the pressure is removed, the reset spring 5 restores the elastic deformation, and the rotating cylinder 7 is again lifted upward, so that the lower teeth 701 on the rotating cylinder 7 are in engagement with the upper teeth 601 on the fixed seat 6 to lock the rotating cylinder 7, that is, the rotation angle of the top measuring scale 2 is fixed.

[0030] Further, the horizontal scale 14 is installed on one side of the top measuring scale 2, the bottom measuring scale 1 and the top measuring scale 2 are provided with measuring scales, the bottom measuring scale 1 and one end of the top measuring scale 2 are provided with a sliding groove 10, and the telescopic scale 11 is slidably installed in the inner cavity of the sliding groove 10. One end of the telescopic scale 11 located in the sliding groove 10 is provided with a clamping block 12, and the other end of the telescopic scale 11 located outside the sliding groove 10 is provided with a stop block 13.

[0031] Specifically, the horizontal scale 14 is provided with three level bubbles, which can measure the inclination of the horizontal plane, the vertical plane and the 45° angle, and are used for more accurate measurement of the clearance size in cooperation with the top measuring scale 2 and the bottom measuring scale 1. The telescopic scale 11 is installed on one end of the bottom measuring scale 1 and the top measuring scale 2 through the sliding groove 10. A plurality of groups of telescopic scales 11 can be arranged in series, and the range of the measuring scale is increased through the telescopic scale 11.

[0032] Working principle: when the measuring scale is stored, the top measuring scale 2 and the bottom measuring scale 1 are in a horizontal state. In the measurement process, the measurer can press the rotating top measuring scale 2 and release it when it rotates to a specific angle. The reset spring 5 will lift the rotating cylinder 7 under the elastic action, so that the teeth of the upper teeth 601 and the lower teeth 701 are engaged, and the rotation angle of the top measuring scale 2 is locked. When needed, the measurer can also pull out the telescopic scale 11 outward to increase the range of the measuring scale.

[0033] Three level bubbles are arranged on the level 14, and the inclination of horizontal plane, vertical plane and 45° angle can be measured, and the combination of the level 14, the top measuring scale 2, the bottom measuring scale 1 and the telescopic scale 11 can be used by the measurer to ensure the horizontal and vertical degree of the measuring scale at the measuring position, and the multi-angle (horizontal, vertical and 45° inclined) measurement of the clearance is realized, the measurement accuracy is ensured, and the practicability of the measuring scale is improved.

[0034] The above-mentioned embodiments are only preferred embodiments of the present application, and cannot be used to limit the scope of protection of the present application, and any non-essential changes and replacements made by those skilled in the art on the basis of the present application shall belong to the scope of protection required by the present application.

Claims

1. A measuring scale for measuring the clearance of a communication passage, comprising a bottom measuring scale (1) and a top measuring scale (2), characterized in that, The top of the bottom measuring scale (1) is embedded with a rotating structure (3), the upper part of the rotating structure (3) is embedded and installed at the bottom of the top measuring scale (2), the rotating structure (3) comprises a rotating base (4), a reset spring (5), a fixed seat (6) and a rotating cylinder (7), and is used for rotating adjustment and locking the angle of the bottom measuring scale (1) and the top measuring scale (2). The rotating base (4) is embedded and installed at the top of the bottom measuring scale (1), the top of the rotating base (4) is provided with an installation cavity (401), the inner cavity bottom wall of the installation cavity (401) is provided with a threaded fixing hole (402), and the reset spring (5) is installed at the cavity inner bottom wall of the installation cavity (401).

2. The measurement scale for measuring the clearance of a connecting passage according to claim 1, wherein The bottom of the fixed seat (6) is integrally provided with a threaded rod, the fixed seat (6) is installed in the inside of the installation cavity (401) through the cooperation of the threaded rod and the threaded fixing hole (402), the seat body bottom of the fixed seat (6) is annularly provided with upper teeth (601), and the inner side cylinder bottom of the rotating cylinder (7) is integrally provided with a boss, and the top of the boss is annularly provided with lower teeth (701).

3. The measurement scale for measuring the clearance of a connection passage according to claim 1, wherein The rotating cylinder (7) rotates in the inner cavity of the installation cavity (401), the top of the reset spring (5) abuts against the bottom of the rotating cylinder (7), and the seat body of the fixed seat (6) is located in the inner cavity of the rotating cylinder (7).

4. The measurement scale for measuring the clearance of a connection passage according to claim 1, wherein The top of the rotating cylinder (7) is provided with a cylinder cover (8), the outer periphery of the rotating cylinder (7) is provided with an indicating arrow (9), and the outer periphery of the rotating base (4) is engraved with rotating scale lines.

5. The measurement scale for measuring the clearance of a connection passage according to claim 1, wherein The rotating cylinder (7) and the cylinder cover (8) are embedded at the bottom of the top measuring scale (2), one side of the top measuring scale (2) is provided with a horizontal ruler (14), and the top of the bottom measuring scale (1) and the top of the top measuring scale (2) are provided with measuring scales.

6. The measurement scale for measuring the clearance of a connecting passage according to claim 1, wherein One end of the bottom measuring scale (1) and the top measuring scale (2) is provided with a sliding groove (10), and the inner cavity of the sliding groove (10) is slidably provided with a telescopic ruler (11).

7. The measurement scale for measuring the clearance of a connecting passage according to claim 6, wherein One end of the telescopic ruler (11) located in the sliding groove (10) is provided with a clamping block (12), and the other end of the telescopic ruler (11) located outside the sliding groove (10) is provided with a stop block (13).

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