Portable inclinometer calibration device

Abstract

The utility model relates to the technical field of calibration devices, in particular to a portable inclinometer calibration device. Comprising a base, adjustable supporting assemblies arranged at the four corners of the base in a penetrating mode and used for supporting, a base fixedly arranged on the upper surface of the base, a calibration barrel hinged to the base and an inclination angle adjusting assembly installed on the base and used for adjusting the inclination angle of the calibration barrel. The adjustable supporting assembly comprises a ground nail, a lining, a bolt and a positioning sleeve, the lining is arranged at the corner position of the base in a penetrating mode, the bolt is rotatably arranged in the lining in a penetrating mode, the positioning sleeve is arranged on the lining in a sleeving mode, and the ground nail is located below the lining. The combination of the adjustable supporting legs and the bubble level ensures that the base quickly reaches a horizontal state in a complex terrain, and the inclination angle adjusting assembly enables the calibration cylinder to be quickly adjusted to be vertical or at a specific angle, so that different calibration requirements are met.

Description

TECHNICAL FIELD

[0001] The utility model relates to calibration device technical field, concretely is a kind of portable inclinometer calibration device. BACKGROUND

[0002] Inclinometer is the key equipment for monitoring the inclination deformation of geological body, building structure, etc., and its precision directly affects the reliability of geological disaster early warning, engineering safety evaluation, etc. The portable inclinometer calibration device can quickly complete instrument error detection and calibration in construction site or field environment by simulating the inclination state under real working conditions, combining high-precision reference module and intelligent compensation algorithm, avoiding the time and economic cost of traditional factory calibration. The application of the device not only solves the problem of precision decay caused by environmental interference and mechanical wear during long-term use of inclinometer, but also improves data reliability through regular on-site calibration, providing continuous technical support for landslide warning, dam monitoring, subway tunnel deformation analysis and other scenarios, and has a significant supporting role in improving engineering safety level and disaster prevention and mitigation capacity.

[0003] The portable inclinometer calibration device can provide inclinometer calibration effect on site, but it still has some problems: 1) The traditional inclinometer calibration device has low efficiency and complex operation in leveling and angle adjustment, especially in outdoor complex terrain conditions, it takes a lot of time and tools to level the base and calibrate the cylinder vertically, and it is difficult to complete quickly; 2) The traditional device lacks portability and flexibility, making it difficult to meet the demand for rapid calibration. Therefore, in view of the above status, it is urgent to develop a portable inclinometer calibration device to overcome the shortcomings in current practical applications and meet the current needs. UTILITY MODEL CONTENTS

[0004] The utility model aims to provide a kind of portable inclinometer calibration device to solve the problems raised in the above background technology.

[0005] To achieve the above purpose, the utility model provides the following technical scheme: a kind of portable inclinometer calibration device, including base, adjustable support assembly for supporting at the position of four corners of base, base fixed on the upper surface of base, calibration cylinder articulated on base, inclination adjustment assembly installed on base for inclination adjustment of calibration cylinder;

[0006] The adjustable support assembly includes a ground nail, a bushing, a bolt and a positioning sleeve. The bushing is arranged at the corner position of the base. The bolt is rotatably arranged in the bushing. The positioning sleeve is sleeved on the bushing. The ground nail is located below the bushing. The bolt is connected with the ground nail through threads.

[0007] One side of the base is fixed with a protractor, and the upper surface of the base is fixed with a limiting piece.

[0008] Preferably, a plurality of bubble levels are embedded and installed on the base, specifically, the bubble levels are arranged to facilitate rapid adjustment of the base to be horizontal, and to monitor the horizontal state in real time, thereby ensuring stable operation of the equipment.

[0009] Preferably, the top edge of the ground nail is fixedly provided with an extension plate, the lower surface of the bushing is fixedly provided with a plurality of positioning sliding shafts, a plurality of positioning holes are formed in the ground nail and are in sliding connection with the positioning sliding shafts, and specifically, the extension plate is arranged to facilitate auxiliary pressure, so that the ground nail is smoothly inserted into the ground for fixation, and the positioning sliding shafts are arranged to limit rotation of the bushing during relative movement of the bushing and the ground nail.

[0010] Preferably, the limiting piece is perpendicular to the upper surface of the base, one side of the limiting piece adjacent to the calibration cylinder is in an arc shape, and the limiting piece is matched with the calibration cylinder, specifically, when the calibration cylinder is in close contact with the limiting piece when the base is in a leveled state, the calibration cylinder is in a vertical horizontal plane state, thereby achieving rapid calibration.

[0011] Preferably, the bottom end of the calibration cylinder is fixedly provided with a rotating shaft for rotationally connecting with the base, the bottom end outer wall of the calibration cylinder is fixedly provided with an angle pointer, the side wall of the calibration cylinder is provided with a hinge piece, and the distal end of the hinge piece is rotationally connected with a screw rod, and specifically, the angle pointer and the angle disc are arranged to facilitate rapid adjustment and control of the inclination of the calibration cylinder after the base is leveled.

[0012] Preferably, the inclination adjusting assembly comprises a mounting seat, a rotating sleeve and an internally-threaded sleeve, the mounting seat is fixedly arranged at the top edge of the base, the rotating sleeve is hingedly arranged at the top end of the mounting seat, the internally-threaded sleeve is rotationally arranged in the rotating sleeve, and the screw rod is threadedly connected with the internally-threaded sleeve, and specifically, the screw rod and the internally-threaded sleeve are arranged to facilitate adjustment and fixation of the inclination of the calibration cylinder.

[0013] Compared with the prior art, the portable inclinometer calibration device has the following beneficial effects:

[0014] The device has a simple structure, realizes rapid leveling and angle adjustment, significantly improves the efficiency and precision of inclinometer calibration, and the combination of the adjustable supporting feet and the bubble level ensures that the base quickly reaches a horizontal state in complex terrain, and the inclination adjusting assembly enables the calibration cylinder to be quickly adjusted to be vertical or at a specific angle, thereby meeting different calibration requirements. BRIEF DESCRIPTION OF DRAWINGS

[0015] In order to more clearly illustrate the technical scheme in the embodiments of the present application, the drawings needed to be used in the embodiment description will be briefly introduced, obviously, the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can be obtained without creative labor on the premise of the drawings.

[0016] Figure 1 It is a front structure schematic view of the present application.

[0017] Figure 2 It is a side structure schematic view of the present application.

[0018] Figure 3 It is a base structure schematic view of the present application.

[0019] Figure 4 It is an adjustable support assembly structure schematic view of the present application.

[0020] Figure 5 It is an adjustable support assembly exploded view of the present application.

[0021] Figure 6 It is a calibration cylinder local structure schematic view of the present application.

[0022] In the figure: 10, base; 110, bubble level; 20, adjustable support assembly; 210, ground nail; 211, extension plate; 220, bushing; 221, positioning sliding shaft; 230, bolt; 240, positioning sleeve; 30, base; 310, angle disc; 320, limiting piece; 40, calibration cylinder; 410, rotating shaft; 420, angle pointer; 430, hinged piece; 440, screw rod; 50, inclination angle adjusting assembly; 510, mounting seat; 520, rotating sleeve; 530, internal thread sleeve. DETAILED DESCRIPTION

[0023] The technical scheme in the embodiments of the present application will be described clearly and completely in combination with the drawings in the embodiments of the present application, obviously, the described embodiments are only some embodiments of the present application, but not all the embodiments. Based on the embodiments in the present application, all the other embodiments obtained by those skilled in the art without creative labor are within the protection scope of the present application.

[0024] In the utility model, unless another definite provision and limitation, the terms "mount", "link", "connect", "fix" and so on terms should do broad sense understanding, for example, can be fixed connection, also can be detachable connection, or be integrated;Can be mechanical connection, also can be electrical connection;Can be direct connection, also can through the intermediate medium indirectly connect, can be two element inside's intercommunication or two element's mutual action relationship.For ordinary skilled person in the art, can understand the concrete meaning of above-mentioned term in the utility model according to specific circumstances.

[0025] Embodiment:

[0026] Please refer to Figures 1-6 The utility model provides a technical scheme: a kind of portable inclinometer calibration device, including base 10, adjustable support assembly 20 for supporting being passed in the position of the four corners of base 10, pedestal 30 being fixed on the upper surface of base 10, calibration cylinder 40 being hinged on pedestal 30, inclination adjustment assembly 50 for being installed on base 10 to adjust the inclination of calibration cylinder 40;

[0027] Adjustable support assembly 20 includes ground nail 210, bushing 220, bolt 230 and positioning sleeve 240, bushing 220 is passed in the corner position of base 10, bolt 230 can be rotatably passed in bushing 220, positioning sleeve 240 is sleeved on bushing 220, ground nail 210 is located below bushing 220, bolt 230 is connected with ground nail 210 by screw thread;

[0028] The side of pedestal 30 is fixed with angle plate 310, and the upper surface of pedestal 30 is fixed with limiting part 320.

[0029] Preferably, a plurality of bubble levels 110 are embedded on the base 10, and specifically, the bubble levels 110 are arranged to facilitate rapid adjustment of the base 10 to be horizontal, while monitoring the horizontal state in real time, to ensure stable operation of the equipment.

[0030] Preferably, the top edge of the ground nail 210 is fixed with an extension plate 211, the lower surface of the bushing 220 is fixed with a plurality of positioning sliding shafts 221, and a plurality of positioning holes are formed in the ground nail 210 and are in sliding connection with the positioning sliding shafts 221, and specifically, the extension plate 211 is arranged to facilitate auxiliary pressure to facilitate smooth insertion of the ground nail 210 into the ground for fixation, and the positioning sliding shafts 221 are designed to limit the rotation of the bushing 220 and the ground nail 210 when they move relative to each other.

[0031] Preferably, the limiting piece 320 is perpendicular to the upper surface of the base 10, and the side of the limiting piece 320 adjacent to the calibration cylinder 40 is arc-shaped. The limiting piece 320 is matched with the calibration cylinder 40. Specifically, when the calibration cylinder 40 is in close contact with the limiting piece 320 when the base 10 is in the leveling state, the calibration cylinder 40 is in the vertical horizontal state, achieving the effect of rapid calibration.

[0032] Preferably, the bottom end of the calibration cylinder 40 is fixedly provided with a rotating shaft 410 for rotationally connecting with the base 30, and the outer wall of the bottom end of the calibration cylinder 40 is fixedly provided with an angle pointer 420. The side wall of the calibration cylinder 40 is provided with a hinged piece 430, and the end of the hinged piece 430 is rotationally connected with a screw rod 440. Specifically, the angle pointer 420 is matched with the angle disc 310 to quickly adjust and control the inclination of the calibration cylinder 40 after the base 10 is leveled.

[0033] Preferably, the inclination adjusting assembly 50 comprises a mounting seat 510, a rotating sleeve 520 and an internally-threaded sleeve 530. The mounting seat 510 is fixedly arranged at the top edge of the base 10. The rotating sleeve 520 is hingedly arranged at the top end of the mounting seat 510. The internally-threaded sleeve 530 is rotationally arranged in the rotating sleeve 520. The screw rod 440 is threadedly connected with the internally-threaded sleeve 530. Specifically, the screw rod 440 is matched with the internally-threaded sleeve 530 to adjust and fix the inclination of the calibration cylinder 40.

[0034] Working principle: The ground nail 210 is inserted into the ground by applying pressure to it in cooperation with the extension plate 211. Then, the height of the adjustable support assembly 20 at each corner is adjusted according to the bubble level 110 until the base 10 is in the horizontal state, and the outer wall of the calibration cylinder 40 is in close contact with the limiting piece 320. At this time, the calibration cylinder 40 is in the vertical horizontal state. The sliding probe of the inclinometer can be placed into the calibration cylinder 40 for comparison and calibration with the digital display inclination. Then, the calibration cylinder 40 is adjusted to different inclination angles by the inclination adjusting assembly 50 in cooperation with the screw rod 440, so as to perform multi-angle calibration on the inclinometer. When the calibration cylinder 40 is adjusted to different inclination angles, the inclination angle is identified by the angle pointer 420 in cooperation with the angle disc 310. It should be noted that when the height of the adjustable support assembly 20 is adjusted, only the wrench is needed to rotate the bolt 230, which drives one end of the base 10 to adjust the height. When the inclination adjusting assembly 50 is adjusted, only the wrench is needed to rotate the internally-threaded sleeve 530, which drives the calibration cylinder 40 to adjust the inclination around the rotating shaft 410. One end of the internally-threaded sleeve 530 is provided with an external hexagonal structure matched with the wrench.

[0035] It is to be noted that, as used in this specification and the appended claims, the singular forms "a," "an," and "the" include plural referents unless the context clearly dictates otherwise. Thus, for example, reference to "a component" can include a combination of two or more components. Additionally, the terms "comprise," "comprises," and "comprising," or any variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements is not necessarily limited to those elements, but can include other elements not expressly listed or inherent to such process, method, article, or apparatus. Furthermore, unless otherwise indicated herein, the terms "first," "second," "third," etc., are used herein merely as labels, and are not intended to impose ordinal import.

Claims

1. A portable inclinometer calibration device, characterized by: The application relates to a calibration device, which comprises a base (10), an adjustable supporting assembly (20) arranged at the four corners of the base (10) for supporting, a base (30) fixed to the upper surface of the base (10), a calibration cylinder (40) hinged to the base (30), and an inclination adjusting assembly (50) installed on the base (10) for adjusting the inclination of the calibration cylinder (40). The adjustable supporting assembly (20) comprises ground nails (210), bushings (220), bolts (230) and positioning sleeves (240), the bushings (220) are arranged at the corners of the base (10), the bolts (230) are rotatably arranged in the bushings (220), the positioning sleeves (240) are arranged on the bushings (220), the ground nails (210) are arranged below the bushings (220), and the bolts (230) are connected with the ground nails (210) through threads. One side of the base (30) is fixed with a scale (310), and the upper surface of the base (30) is fixed with a limiting piece (320).

2. The portable inclinometer calibration device of claim 1, wherein: A plurality of bubble levels (110) are embedded on the base (10).

3. The portable inclinometer calibration device of claim 1, wherein: The top edge of the ground nail (210) is fixed with an extension plate (211), the lower surface of the bushing (220) is fixed with a plurality of positioning sliding shafts (221), and a plurality of positioning holes are arranged on the ground nail (210) and connected with the positioning sliding shafts (221) in a sliding mode.

4. The portable inclinometer calibration device of claim 1, wherein: The limiting piece (320) is perpendicular to the upper surface of the base (10), one side of the limiting piece (320) adjacent to the calibration cylinder (40) is in an arc shape, and the limiting piece (320) is matched with the calibration cylinder (40).

5. The portable inclinometer calibration device of claim 1, wherein: The bottom end of the calibration cylinder (40) is fixed with a rotating shaft (410) connected with the base (30) in a rotating mode, the bottom end outer wall of the calibration cylinder (40) is fixed with an angle pointer (420), the side wall of the calibration cylinder (40) is provided with a hinge piece (430), and the tail end of the hinge piece (430) is rotatably connected with a screw rod (440).

6. A portable inclinometer calibration device according to claim 5, wherein: The inclination adjusting assembly (50) comprises a mounting seat (510), a rotating sleeve (520) and an internally-threaded sleeve (530), the mounting seat (510) is fixed to the top edge of the base (10), the rotating sleeve (520) is hinged to the top end of the mounting seat (510), the internally-threaded sleeve (530) is rotatably arranged in the rotating sleeve (520), and the screw rod (440) is connected with the internally-threaded sleeve (530) through threads.

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