Engineering measurement field calibration checking device

Abstract

The utility model provides an engineering measurement field calibration and check device, which relates to the technical field of engineering field calibration and check and comprises a calibrator and a base. The edge of the upper surface of the rotating seat is fixedly provided with a plurality of threaded plates which are distributed in an annular array about the center axis of the base, the calibrator is arranged on the upper surface of the rotating seat, the threaded plates are distributed on the periphery of the calibrator, and a gear ring drives the rotating seat to rotate by shifting a gear; the rotating seat can drive the calibrator to rotate and adjust at any angle, the friction plate can descend to be in contact with the upper surface of the rubber ring by rotating the screw rod after the angle of the rotating seat is adjusted, the angle of the rotating seat is fixed by utilizing the friction force between the friction plate and the rubber ring, and the angle of the calibrator is fixed.

Description

TECHNICAL FIELD

[0001] The utility model relates to engineering field calibration check technical field especially relates to a kind of engineering survey field calibration check device. BACKGROUND

[0002] There are many types of engineering survey calibration check devices, including laser level, to ensure normal and efficient use of equipment, an engineering survey calibration check device, with publication number CN220540740U, when in use, by moving the limiting frame away from the mounting base, the limiting frame drives the limiting rod to move, the limiting block is driven to slide on the fixed frame, and the limiting block is extruded on the spring, at the same time, the limiting frame is slid out of the limiting slot on the base, so that the limiting of the base is released, and the base drives the calibration check device main body to rotate, so that the horizontal angle of the calibration check device main body can be adjusted. By rotating the knob, the knob drives the threaded rod to rotate, the threaded rod and the connecting block are in threaded motion, so that the connecting block drives the slider to move, the slider drives the clamping block to move, the clamping block slides in the clamping slot on the mounting base, so that the clamping block is no longer clamped with the mounting base, the limiting of the mounting base is released, and the mounting base can be disassembled, so that the base on the mounting base and the calibration check device main body on the base can be removed.

[0003] However, in some engineering scenarios with high measurement accuracy requirements, such as high-precision measurement of building structures, positioning measurement of precision machinery installation, etc., the fixed-interval limiting slot may not allow the device main body to be adjusted to the ideal accurate angle. For example, if the interval of the limiting slot is 10 degrees, and the actual measurement needs to be adjusted to 5 degrees, it is not possible to achieve this angle through the existing limiting slot, which affects the accuracy of the measurement results. UTILITY MODEL CONTENTS

[0004] The utility model aims at solving the problems in the prior art and provides an engineering survey field calibration check device.

[0005] To achieve the above-mentioned purpose, the utility model adopts the following technical scheme: an engineering survey field calibration check device, comprising a calibration instrument, further comprising a base, a rotating seat coaxially arranged is embedded and rotatably mounted on the upper surface of the base, a plurality of threaded plates arranged in an annular array about the central axis of the base are fixedly installed on the upper surface edge of the rotating seat, the calibration instrument is arranged on the upper surface of the rotating seat, and the plurality of threaded plates are distributed around the calibration instrument, a rubber ring and a gear ring are fixedly installed on the upper surface edge of the rotating seat from inside to outside outside the plurality of threaded plates, respectively, a connecting plate is fixedly installed on the upper surface edge of the base, a lead screw is threadedly connected to the top edge of the connecting plate, a friction plate penetrating through the inner top edge of the connecting plate and located above the rubber ring is rotatably connected to the bottom end of the lead screw, and a gear meshingly connected with the gear ring is rotatably connected to the side edge of the connecting plate.

[0006] Preferably, the outer side edge of the base extends horizontally outward, and a plurality of leveling bolts are threadedly connected to the upper surface of the extension.

[0007] Preferably, the leveling bolts are arranged parallel to the central axis of the base, and the plurality of leveling bolts are arranged in an annular array about the central axis of the base.

[0008] Preferably, the threaded plate surface is hollow, and a push piece is hingedly connected to the hollow portion by a torsion spring; one side of the threaded plate close to the central axis of the base is hingedly connected to an extrusion plate; and the side of the push piece close to the central axis of the base is in sliding connection with the surface of the extrusion plate.

[0009] Preferably, the threaded surface of the threaded plate is arranged on the side away from the central axis of the base, and a plurality of threaded rings are threadedly connected to the side of the threaded plate away from the central axis of the base; and the bottom edge of the threaded ring is in abutment with the side of the push piece away from the central axis of the base.

[0010] Preferably, the rotating seat and the rotating connection part of the base are a T-shaped rotating body.

[0011] Preferably, the screw end of the leveling bolt is located below the base and is arranged in a spherical shape.

[0012] Compared with the prior art, the utility model has the advantages and positive effects that,

[0013] 1. In the utility model, the tooth ring drives the rotating seat to rotate by the driving gear, so that the rotating seat drives the calibrator to rotate and adjust at any angle; and after the angle of the rotating seat is adjusted, the friction plate can be lowered to contact the upper surface of the rubber ring by rotating the screw rod, so that the angle of the rotating seat is fixed by the friction between the friction plate and the rubber ring, that is, the angle of the calibrator is fixed.

[0014] 2. In the utility model, a plurality of leveling bolts are arranged around the base, and the leveling bolts are lifted or lowered at different degrees relative to the base by rotating the leveling bolts in different directions, so that the inclination of the calibrator can be adjusted. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 A front view of the engineering measurement field calibration checking device is provided for the utility model;

[0016] Figure 2 A front view of the engineering measurement field calibration checking device is provided for the utility model; Figure 1 A front view of the engineering measurement field calibration checking device is provided for the utility model;

[0017] Figure 3 A front view of the engineering measurement field calibration checking device is provided for the utility model; Figure 1 A front view of the engineering measurement field calibration checking device is provided for the utility model;

[0018] Figure 4 The utility model provides a kind of engineering surveying site calibration checking device base sectional structure schematic view.

[0019] Legend: 1, calibration instrument; 2, threaded ring; 3, threaded plate; 4, paddle; 5, extruded plate; 6, base; 7, leveling bolt; 8, rotating seat; 9, rubber ring; 10, gear ring; 11, gear; 12, connecting plate; 13, friction plate; 14, screw rod. DETAILED DESCRIPTION

[0020] In order to more clearly understand the above-mentioned purposes, features and advantages of the utility model, the utility model is further described below in conjunction with the drawings and examples.It should be noted that the examples of the present application and the features in the examples can be combined with each other without conflict.

[0021] In the following description, many specific details are set forth in order to provide a thorough understanding of the utility model, but the utility model can also be implemented in other ways different from the description, therefore, the utility model is not limited to the specific examples disclosed in the following specification.

[0022] As Figures 1-4 shown, an engineering surveying site calibration checking device includes calibration instrument 1, and further includes base 6, the coaxial rotating seat 8 of setting is inbedded and rotatably mounted on the upper surface of base 6, the rotating seat 8 and the rotating body of T-shaped rotating connection part of base 6 setting, combined Figure 4 , it can be guaranteed that rotating seat 8 can only rotate on base 6, a plurality of threaded plates 3 are fixedly installed on the edge of the upper surface of rotating seat 8 and are arranged in an annular array about the central axis of base 6, calibration instrument 1 is arranged on the upper surface of rotating seat 8 and a plurality of threaded plates 3 are distributed around calibration instrument 1, calibration instrument 1 can be fixed on rotating seat 8 by using a plurality of threaded plates 3, so that the rotation adjustment angle of calibration instrument 1 can be realized by the rotation of rotating seat 8;rubber ring 9 and gear ring 10 are fixedly installed on the edge of the upper surface of rotating seat 8 from inside to outside respectively outside a plurality of threaded plates 3, connecting plate 12 is fixedly installed on the edge of the upper surface of base 6, screw rod 14 is threadedly connected to the top edge of connecting plate 12, friction plate 13 is rotatably connected to the bottom end of screw rod 14 and penetrates the top edge of connecting plate 12 and is located above rubber ring 9, gear 11 is rotatably connected to the side edge of connecting plate 12 and is meshingly connected to the tooth surface of gear ring 10, in use, under the condition that friction plate 13 is separated from rubber ring 9, rotating seat 8 can be driven to rotate by meshingly connected gear ring 10 by rotating gear 11, that is, rotating seat 8 can drive calibration instrument 1 to rotate and adjust at any angle, and after the angle adjustment of rotating seat 8 is completed, friction plate 13 can be lowered to contact the upper surface of rubber ring 9 by rotating screw rod 14, and the angle of rotating seat 8 can be fixed by using the friction between friction plate 13 and rubber ring 9, that is, the angle of calibration instrument 1 can be fixed.

[0023] The outer side edge of the base 6 extends horizontally outward, and a plurality of leveling bolts 7 are threadedly connected to the upper surface of the extension, the leveling bolts 7 are arranged parallel to the central axis of the base 6, and the plurality of leveling bolts 7 are arranged in a ring array about the central axis of the base 6, the screw end of the leveling bolt 7 is located below the base 6 and is arranged in a spherical shape, and by rotating the leveling bolts 7 in different directions, the leveling bolts 7 are lifted or lowered relative to the base 6 to different degrees, that is, the inclination of the calibrator 1 can be adjusted.

[0024] The surface of the threaded plate 3 is hollow, and the push piece 4 is hingedly connected to the hollow part through a torsion spring, one side of the threaded plate 3 close to the central axis of the base 6 is hingedly connected to the extrusion plate 5, the side of the push piece 4 close to the central axis of the base 6 is slidingly connected to the surface of the extrusion plate 5, the threaded surface of the threaded plate 3 is arranged on the side away from the central axis of the base 6, and a plurality of threaded rings 2 are threadedly connected to the side of the threaded plate 3 away from the central axis of the base 6, the bottom edge of the threaded ring 2 abuts against the side of the push piece 4 away from the central axis of the base 6, when the calibrator 1 is placed between the plurality of threaded plates 3, the threaded ring 2 is lifted or lowered outside the plurality of threaded plates 3 in a spiral manner by rotating the threaded ring 2, when the threaded ring 2 is lowered, the push piece 4 is pushed to swing downward on the side away from the central axis of the base 6, so that the push piece 4 overcomes the torsional force of the torsion spring to perform lever movement, and the side of the push piece 4 close to the central axis of the base 6 pushes the extrusion plate 5 to swing upward, so that the bottom edges of the plurality of extrusion plates 5 abut against the calibrator 1 around, and the relative position of the calibrator 1 and the rotating seat 8 is fixed.

[0025] The working principle is that the calibrator 1 is placed between the plurality of threaded plates 3 on the upper surface of the rotating seat 8, the threaded ring 2 is installed, the threaded ring 2 pushes the push piece 4 to perform lever movement, and then the push piece 4 pushes the extrusion plate 5 on the same threaded plate 3 to abut against the surface of the calibrator 1, in the case that the friction plate 13 and the rubber ring 9 are separated, the rotating seat 8 is driven to rotate by rotating the gear 11, the rotating seat 8 drives the calibrator 1 to rotate and adjust at any angle, after the angle of the rotating seat 8 is adjusted, the friction plate 13 is lowered to contact the upper surface of the rubber ring 9 by rotating the lead screw 14, so that the angle of the rotating seat 8 is fixed, that is, the angle of the calibrator 1 is fixed.

[0026] The wiring diagram of the calibrator 1 in the utility model belongs to the common knowledge in the field, and its working principle is a known technology, and the type is selected according to actual use, so the control mode and wiring arrangement of the calibrator 1 are not explained in detail.

[0027] The above merely describes preferred embodiments of the present application, and is not intended to limit the present application in other forms, and any skilled person in the art can modify or change the above disclosed technical content to equivalent embodiments applied to other fields with equivalent changes, but any simple modification, equivalent change and modification made to the above embodiments according to the technical essence of the present application without departing from the technical scheme of the present application still falls within the protection scope of the present application.

Claims

1. An engineering survey field calibration checking device comprising a calibration instrument (1), characterized in that: Also include the base (6), the base (6) upper surface in-embedded rotatingly installed coaxially arranged rotating seat (8), the rotating seat (8) upper surface edge fixedly installed with several about the base (6) center axis annular array distribution screw plate (3), the calibrator (1) is arranged on the rotating seat (8) upper surface and several screw plate (3) is distributed around the calibrator (1), the rotating seat (8) upper surface edge is located outside several screw plate (3) by inside to outside respectively fixedly installed with rubber ring (9) and tooth ring (10), the base (6) upper surface edge fixedly installed with connecting plate (12), the connecting plate (12) top edge screw thread is connected with lead screw (14), the lead screw (14) bottom end rotatingly connected with friction plate (13) penetrating through the inner top edge of connecting plate (12) and located above rubber ring (9), the connecting plate (12) side embedded rotatingly connected with gear (11) meshing connection with tooth ring (10) tooth surface.

2. The engineering survey field calibration check device of claim 1, wherein: The base (6) outside edge extends horizontally outward and the upper surface of the extended portion is screw connected with several leveling bolts (7).

3. The engineering survey field calibration check device of claim 2, wherein: The leveling bolts (7) are parallel to the center axis of the base (6) and the several leveling bolts (7) are annularly arrayed about the center axis of the base (6).

4. The engineering survey field calibration check device of claim 1, wherein: The surface of the screw plate (3) is hollow and the hollow portion is articulated with a push piece (4) by a torsion spring, one side of the push piece (4) close to the center axis of the base (6) is articulated with an extrusion plate (5), and the surface of the extrusion plate (5) is slidingly connected with the push piece (4).

5. The engineering survey field calibration check device of claim 4, wherein: The threaded surface of the screw plate (3) is arranged on the side away from the center axis of the base (6) and the screw plate (3) is screw connected with a screw ring (2) on the side away from the center axis of the base (6), and the bottom edge of the screw ring (2) is abutted with the side of the push piece (4) away from the center axis of the base (6).

6. The engineering survey field calibration check device of claim 1, wherein: The rotating connection part of the rotating seat (8) and the base (6) is a T-shaped rotating body.

7. The engineering survey field calibration check device of claim 2, wherein: The screw rod end of the leveling bolt (7) is located below the base (6) and is arranged in a spherical shape.

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