Inclination angle measuring equipment for engineering surveying

Abstract

The utility model relates to the technical field of dip angle measuring equipment, and discloses dip angle measuring equipment for engineering surveying, which comprises a protractor, a frame body is fixedly mounted on the front side of the protractor, and the front side of the frame body is provided with an angle gauge. The inner wall of the end of the frame body is in threaded connection with an adjusting screw rod, a gradienter is fixedly installed on the outer wall of the front face of the frame body, and an adjusting assembly is arranged in the frame body. According to the inclination angle measuring equipment for engineering surveying, the position of a sleeve shaft in a rectangular cavity is adjusted by arranging an adjusting assembly and a rotating bolt, so that a pointer, a round rod and a balancing weight are located in the center of the rectangular cavity, and at the moment, two sets of fixing rings and ball mirror images are located at the left end and the right end of the sleeve shaft; according to the invention, the sleeve shaft can be kept in a stable stress state during rotation, the resistance of the sleeve shaft during rotation is reduced, the error of the device during angle measurement is further reduced, and the accuracy of a measurement result is ensured.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of inclination measuring equipment, and specifically to an inclination measuring equipment for engineering measurement. BACKGROUND

[0002] In the engineering measurement industry, in order to ensure the accuracy of construction and the quality of construction work, the angle of the engineering unit needs to be measured frequently during the construction process to avoid engineering accidents.

[0003] According to a kind of inclination measuring equipment for engineering measurement (announcement number: CN221840417U) disclosed, in the above application, the bottom footing of frame structure contacts slope surface, frame body is supported on slope, at this time, gravity pendulum is moved to perpendicular trend with the action of gravity, pendulum rotates along with shaft, and make pointer deflect, and then obtain slope angle, in the form of simple structure, realize the effect of automatic measurement.

[0004] However, the accuracy of the measurement result and the stability during the measurement process of the above-mentioned device are greatly limited by the rotation axis of the pointer. If the rotation axis of the pointer is unbalanced, it is easy to shake, which affects the accuracy of the pointer and reduces the measurement accuracy of the entire inclination measuring equipment. In view of this, we propose an inclination measuring equipment for engineering measurement. UTILITY MODEL CONTENTS

[0005] The utility model aims to provide an inclination measuring equipment for engineering measurement to solve the problems raised in the background.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: an inclination measuring equipment for engineering measurement, comprising a protractor, a frame body is fixedly installed on the front of the protractor, an adjusting screw is threadedly connected to the end inner wall of the frame body, a level is fixedly installed on the front outer wall of the frame body, an adjusting assembly is arranged in the frame body, and the adjusting assembly comprises:

[0007] A sleeve shaft is movably installed in the interior of the rectangular cavity, a pointer is fixedly installed on the top arc-shaped outer wall of the sleeve shaft, a round rod is fixedly installed on the bottom arc-shaped outer wall of the sleeve shaft, and a counterweight is detachably installed on the inner wall of the end of the round rod away from the sleeve shaft.

[0008] An annular groove is formed in the arc-shaped inner wall of the sleeve shaft, an adjusting cylinder is movably installed in the interior of the annular groove, a guide rod is fixedly installed on the inner wall of the rectangular cavity, a bolt is rotatably installed on the inner wall of the frame body, the bolt is threadedly connected to the inner wall of the adjusting cylinder, a fixing ring is fixedly installed on the inner wall of the rectangular cavity, and a plurality of rolling balls are movably installed on the arc-shaped inner surface of the fixing ring.

[0009] Preferably, the protractor is arranged on the same straight line with the vertical central axis of the frame body, the number of the adjusting screws is two, and the two adjusting screws are symmetrically arranged with the vertical central axis of the frame body as the axis of symmetry, and the level is arranged at the center of the frame body.

[0010] Preferably, a threaded hole is arranged on the inner wall of the end of the round rod away from the sleeve shaft, and the counterweight is conically arranged and threadedly connected with the threaded hole, so that the counterweight can be disassembled when the device is carried.

[0011] Preferably, an annular block is arranged on the arc-shaped outer wall of the adjusting cylinder, and the size of the annular block is matched with that of the annular groove, so that the adjusting cylinder and the sleeve shaft can only rotate relative to each other and cannot move relative to each other in the horizontal direction, thereby facilitating the adjustment of the measurer.

[0012] Preferably, a through hole matched with the guide rod is formed in the inner wall of the adjusting cylinder, and the guide rod is arranged inside the through hole to limit the rotation of the adjusting cylinder.

[0013] Preferably, the number of the fixing rings is two, and the two fixing rings are mirror-symmetrically arranged on the front and rear sides of the rectangular cavity, the inner diameter of the fixing ring is larger than the outer diameter of the sleeve shaft, and the ball is arranged between the fixing ring and the outer wall of the sleeve shaft.

[0014] Compared with the prior art, the present application provides a tilt angle measuring device for engineering measurement, which has the following advantages:

[0015] 1. The tilt angle measuring device for engineering measurement is provided with an adjusting assembly, a rotating bolt is arranged to adjust the position of the sleeve shaft in the rectangular cavity, so that the pointer, the round rod and the counterweight are located at the center of the rectangular cavity, at this time, the two fixing rings and the ball are mirror-symmetrically arranged at the left and right ends of the sleeve shaft, so that the sleeve shaft can keep a stable force state during rotation, the resistance of the sleeve shaft during rotation is reduced, the error of the device during angle measurement is reduced, and the accuracy of the measurement result is ensured.

[0016] 2. The tilt angle measuring device for engineering measurement is provided with a detachable connection between the counterweight and the round rod, so that the counterweight can be disassembled when the device is carried, thereby avoiding the damage of the pointer, the round rod and other accessories during transportation. BRIEF DESCRIPTION OF DRAWINGS

[0017] Fig. 1 It is a schematic diagram of the main structure of the present application;

[0018] Fig. 2 It is a schematic diagram of the frame body cross-section structure of the present application;

[0019] Fig. 3 Partial explosion schematic view of the adjusting assembly of the utility model.

[0020] In the figure: 1, protractor; 2, frame body; 3, adjusting screw; 4, level; 5, adjusting assembly; 51, sleeve shaft; 52, pointer; 53, round bar; 54, counterweight; 55, annular groove; 56, adjusting cylinder; 57, guide rod; 58, bolt; 59, fixed ring; 510, ball. DETAILED DESCRIPTION

[0021] As Figs. 1-3 shown, the utility model provides a technical scheme: a inclination measuring device for engineering survey, including protractor 1, the front surface fixed mounting of protractor 1 has frame body 2, the end inner wall of frame body 2 is connected with adjusting screw 3, and the front surface outer wall of frame body 2 is fixedly installed with level 4, and the inside of frame body 2 is provided with adjusting assembly 5, and adjusting assembly 5 includes sleeve shaft 51, pointer 52, round bar 53, counterweight 54, annular groove 55, adjusting cylinder 56, guide rod 57, bolt 58 and fixed ring 59 and ball 510.

[0022] In an embodiment of the utility model, the inside of frame body 2 is provided with rectangular cavity, and sleeve shaft 51 is movably installed in the inside of rectangular cavity, and the top arc outer wall of sleeve shaft 51 is fixedly installed with pointer 52, and the bottom arc outer wall of sleeve shaft 51 is fixedly installed with round bar 53, and the inner wall of the end of round bar 53 away from sleeve shaft 51 is detachably installed with counterweight 54, and the arc inner wall of sleeve shaft 51 is provided with annular groove 55, and adjusting cylinder 56 is movably installed in the inside of annular groove 55, and the inner wall of rectangular cavity is fixedly installed with guide rod 57, and the inner wall of frame body 2 is rotatably installed with bolt 58, and bolt 58 is in threaded connection with the inner wall of adjusting cylinder 56, and the inner wall of rectangular cavity is fixedly installed with fixed ring 59, and the arc inner surface of fixed ring 59 is movably installed with ball 510.

[0023] Further, the perpendicular central axis of protractor 1 and frame body 2 is arranged on the same straight line, simultaneously, the number of adjusting screw 3 is provided with two groups, and the two groups of adjusting screw 3 are symmetrically arranged with the perpendicular central axis of frame body 2 as the axis of symmetry, and level 4 is arranged at the center of frame body 2, so that the relative position of two groups of adjusting screw 3 and frame body 2 can be adjusted by measuring personnel, so that frame body 2 can keep parallel with the object to be measured, thereby guaranteeing the accuracy of measurement.

[0024] In addition, the pointer 52 is in a sheet shape, a threaded hole is arranged on the inner wall of one end of the round rod 53 away from the sleeve shaft 51, and the counterweight 54 is in a conical shape and is threadedly connected between the threaded hole and the counterweight 54, so that the counterweight 54 can be disassembled when the device is carried, thereby avoiding damage to the pointer 52, the round rod 53 and other accessories during transportation, and meanwhile, an annular block is arranged on the arc-shaped outer wall of the adjusting cylinder 56, and the size of the annular block is matched with that of the annular groove 55, so that the adjusting cylinder 56 and the sleeve shaft 51 can only relatively rotate and cannot relatively move in the horizontal direction, thereby facilitating adjustment by the measurer, and specifically, a through hole matched with the guide rod 57 is formed in the inner wall of the adjusting cylinder 56, and the guide rod 57 is arranged in the through hole to limit the rotation of the adjusting cylinder 56, and when the screw bolt 58 is rotated, the guide rod 57 limits the adjusting cylinder 56 to only move horizontally and cannot rotate with the screw bolt 58, thereby changing the position of the sleeve shaft 51 in the rectangular cavity.

[0025] In the embodiment of the utility model, the number of the fixed rings 59 is two, and the two groups of fixed rings 59 are mirror image arranged on the front and back sides of the rectangular cavity, the inner diameter of the fixed ring 59 is larger than the outer diameter of the sleeve shaft 51, and the ball 510 is arranged between the fixed ring 59 and the outer wall of the sleeve shaft 51, so that the resistance of the sleeve shaft 51 during rotation is reduced by the arrangement of the ball 510.

[0026] In the utility model, when in use, the bottom end of the adjusting screw rod 3 is attached to the surface of the engineering building to be measured, the adjusting screw rods 3 on the left and right sides of the frame body 2 are rotated according to the levelness of the level 4, so that the frame body 2 and the surface of the engineering building to be measured are kept in a horizontal state, the screw bolt 58 is rotated at this time to adjust the position of the sleeve shaft 51 in the rectangular cavity, so that the pointer 52, the round rod 53 and the counterweight 54 are kept at the center position of the rectangular cavity, and at this time, the two groups of fixed rings 59 and the balls 510 are mirror image arranged at the left and right ends of the sleeve shaft 51, so that the sleeve shaft 51 is kept in a stable force state during rotation, the resistance of the sleeve shaft 51 during rotation is reduced, the error of the device during angle measurement is reduced, and the accuracy of the measurement result is ensured.

[0027] The utility model is described in detail above, but some modifications or improvements can be made on the basis of the utility model, which is obvious to the general technical personnel in the technical field. Therefore, the modifications or improvements without departing from the spirit of the utility model are within the protection scope of the utility model.

Claims

1. An inclination measuring device for engineering surveying, comprising a protractor (1), a frame (2) fixedly mounted on the front of the protractor (1), an adjusting screw (3) threadedly connected to the inner wall of the end of the frame (2), and a level (4) fixedly mounted on the outer wall of the front of the frame (2), characterized in that: The frame (2) is internally provided with an adjustment component (5), which includes: The sleeve shaft (51) has a rectangular cavity inside the frame (2). The sleeve shaft (51) is movably installed inside the rectangular cavity. A pointer (52) is fixedly installed on the top arc-shaped outer wall of the sleeve shaft (51). A round rod (53) is fixedly installed on the bottom arc-shaped outer wall of the sleeve shaft (51). A counterweight (54) is detachably installed on the inner wall of the end of the round rod (53) away from the sleeve shaft (51). An annular groove (55) is formed on the arc-shaped inner wall of the sleeve shaft (51). An adjusting cylinder (56) is movably installed inside the annular groove (55). A guide rod (57) is fixedly installed on the inner wall of the rectangular cavity. A bolt (58) is rotatably installed on the inner wall of the frame (2). The bolt (58) is threadedly connected to the inner wall of the adjusting cylinder (56). A fixing ring (59) is fixedly installed on the inner wall of the rectangular cavity. A ball bearing (510) is movably installed on the arc-shaped inner surface of the fixing ring (59).

2. The tilt measuring device for engineering surveying according to claim 1, characterized in that: The protractor (1) and the vertical center axis of the frame (2) are set on the same straight line. There are two sets of adjusting screws (3), and the two sets of adjusting screws (3) are symmetrically arranged with the vertical center axis of the frame (2) as the axis of symmetry. The level (4) is set at the center of the frame (2).

3. The tilt measuring device for engineering surveying according to claim 1, characterized in that: The inner wall of the end of the round rod (53) away from the sleeve shaft (51) is provided with a threaded hole, and the counterweight (54) is set in a conical shape, and the counterweight (54) is threadedly connected to the threaded hole.

4. The tilt measuring device for engineering surveying according to claim 1, characterized in that: The regulating cylinder (56) has an annular block on its arc-shaped outer wall, and the size of the annular block is adapted to the size of the annular groove (55).

5. The tilt measuring device for engineering surveying according to claim 1, characterized in that: The inner wall of the adjusting cylinder (56) is provided with a through hole that is compatible with the guide rod (57), and the guide rod (57) is disposed inside the through hole.

6. The tilt measuring device for engineering surveying according to claim 1, characterized in that: The number of fixed rings (59) is set in two sets, and the two sets of fixed rings (59) are mirror images of each other on the front and rear sides of the rectangular cavity. The inner diameter of the fixed ring (59) is larger than the outer diameter of the sleeve shaft (51), and the ball bearings (510) are disposed between the fixed ring (59) and the outer wall of the sleeve shaft (51).

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