CN114459323A

CN114459323A - Practical straightness accuracy measuring fixture

Info

Publication number: CN114459323A
Application number: CN202111615493.6A
Authority: CN
Inventors: 申晓广; 向佐新; 张志望; 王思佳; 王月
Original assignee: China Petroleum Engineering and Construction Corp North China Co
Current assignee: China Petroleum Engineering and Construction Corp North China Co
Priority date: 2021-12-27
Filing date: 2021-12-27
Publication date: 2022-05-10

Abstract

The invention relates to the technical field of pipeline measurement and discloses a practical straightness measuring fixture which comprises a rod body, wherein one side of the rod body is fixedly connected with a mounting plate, one side of the rod body is fixedly connected with a clamping plate, one side of the mounting plate is provided with a screw hole, the surface of the screw hole is in threaded connection with an adjusting bolt, one side of the adjusting bolt is provided with an inner groove, and the surface of the inner groove is rotatably connected with a rotatable inner block. Aiming at the condition that the straightness of the pipe cannot be conveniently and accurately checked, the straightness measurer is symmetrically fixed at two ends of the pipe head, the rope is fixed on the same scale, the winding value of any angle of the pipe head can be conveniently and accurately measured, the extruding plate can be clamped on the pipe through the arrangement of the adjusting bolt capable of rotationally propelling on the screw hole, the extruding plate can be stably propelled through the round hole and the round rod, and the rope can be conveniently corresponding to the arrangement of the scale groove and the scale marks.

Description

Practical straightness accuracy measuring fixture

Technical Field

The invention relates to the technical field of pipeline measurement, in particular to a practical straightness measuring clamp.

Background

In the process of inspection, the pipeline is divided into 0 degree, 90 degree, 180 degree and 270 degree inspection, the pipeline is pulled according to the standard requirement, and the steel ruler is used for inspection, but when the pipeline is found to be protruded outwards in the process of pulling, the thread rope and the pipeline are directly attached together, the outward protruding value of the pipeline cannot be accurately measured, and certain influence is exerted on the subsequent pipeline operation, in the installation process of the liquefied frame, because the total height of the frame reaches 70 meters, the liquefied frame is divided into 7 layers for installation, the height of the first 6 layers is 12 meters, the height of the 7 th layer is 8 meters, the bending deviation of each section of column is required to be not more than 10mm, in the process of inspection, if the outward protruding of the steel column (steel beam), the thread rope is directly attached together with the steel column (steel beam), the winding value of the steel column (steel beam) cannot be accurately measured, when the subsequent installation operation is directly influenced, the straightness of the pipeline is often required to be inspected, the whole verticality or levelness of the pipeline is guaranteed to meet the design and standard requirements, and in steel structure installation engineering, the straightness of a steel column needs to be checked before installation for the steel column exceeding a certain height scale, so that the design and standard requirements are met.

Although the pipeline straightness cannot be conveniently and accurately checked, the practical straightness measuring clamp and the using method disclosed in the Chinese patent application publication specification CN108592764A symmetrically fix the straightness measuring devices at two ends of the pipe head; fix the cotton rope on same scale, the winding value of the arbitrary angle of measurement tube head that can be convenient, accurate, however, this practical straightness accuracy measures fixture and application method, this device need not adjust the back splint at all in the in-service use because the pipeline thickness difference is little to fastening screw fastening is unstable.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the invention provides a practical straightness measuring clamp which has the advantages of convenience in taking, high monitoring speed and the like, and solves the problem of inconvenience in measurement.

(II) technical scheme

In order to achieve the purpose, the invention is realized by the following technical scheme: the utility model provides a practical straightness accuracy measures fixture, includes the body of rod, one side fixedly connected with mounting panel of the body of rod, one side fixedly connected with grip block of the body of rod, the screw has been seted up to one side of mounting panel, the surface threaded connection of screw has adjusting bolt, the inside groove has been seted up to one side of adjusting bolt, the surface rotation in inside groove is connected with rotatable inside piece, one side fixedly connected with stripper plate of inside piece, one side fixedly connected with fixed tooth of stripper plate, one side fixedly connected with adjustment sheet of adjusting bolt.

Optionally, the scale mark has all been seted up to the both sides of the body of rod, the scale groove has all been seted up to the upper and lower both sides of the body of rod.

Optionally, the number of the fixed teeth is three, and the three fixed teeth are arranged on one side of the extrusion plate in a parallel array.

Optionally, a round hole is formed in one side of the mounting plate, a round rod is connected to the surface of the round hole in a sliding mode, and an extrusion plate is fixedly connected to one side of the round rod.

Optionally, a suspension block is fixedly connected to one side of the rod body, and a suspension hole is formed in one side of the suspension block.

Optionally, one side fixedly connected with of the body of rod adds the reinforcing block, one side fixedly connected with grip block adds the clamping plate of reinforcing block.

Optionally, the number of scale groove is a plurality of scale groove is arranged in the upper and lower both sides of the body of rod that is parallel array's form.

Optionally, a string is lapped on the surface of the scale groove.

(III) advantageous effects

The invention provides a practical straightness measuring clamp, which has the following beneficial effects:

1. this practical straightness accuracy measures fixture to the unable convenient, the accurate condition of examining of pipeline straightness accuracy, fixes the pipe head both ends of being fixed in of straightness accuracy caliber symmetry, fixes the cotton rope on same scale, just can be convenient, the winding value of the arbitrary angle of accurate measurement pipe head.

2. This fixture is measured to practical straightness accuracy can make stripper plate centre gripping pipeline through adjusting bolt rotatory propulsive setting on the screw, and steady propulsion when can making the stripper plate impel through round hole and round bar can conveniently correspond the cotton rope through setting up of scale groove and scale mark.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of a rod body structure according to the present invention;

FIG. 3 is a schematic view of a partial cross-sectional view of a rod body according to the present invention;

FIG. 4 is a schematic view of a partial measurement structure of a rod body according to the present invention.

In the figure: 1. a rod body; 2. mounting a plate; 3. a clamping plate; 4. a screw hole; 5. adjusting the bolt; 6. an inner groove; 7. an inner block; 8. a pressing plate; 9. fixing teeth; 10. a regulating sheet; 11. scale lines; 12. A scale groove; 13. a circular hole; 14. a round bar; 15. a suspension block; 16. a hanging hole; 17. a reinforcing block; 18. a thread rope.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1 to 4, the present invention provides a technical solution: a practical straightness measuring fixture comprises a rod body 1, one side of the rod body 1 is fixedly connected with a fixedly connected mounting plate 2, one side of the rod body 1 is fixedly connected with a clamping plate 3, one side of the mounting plate 2 is provided with a screw hole 4, the surface of the screw hole 4 is in threaded connection with an adjusting bolt 5, one side of the adjusting bolt 5 is provided with an inner groove 6, the surface of the inner groove 6 is rotatably connected with a rotatable inner block 7, aiming at the condition that the pipeline straightness cannot be conveniently and accurately checked, the straightness measurer is symmetrically fixed at the two ends of the pipe head, the thread rope 18 is fixed on the same scale, the winding degree value of any angle of the pipe head can be conveniently and accurately measured, the arrangement of the adjusting bolt 5 which can be rotationally advanced on the screw hole 4 enables the extrusion plate 8 to clamp the pipe, the extrusion plate 8 can be stably pushed in when pushed in through the round hole 13 and the round rod 14, and the corresponding thread rope 18 can be conveniently arranged through the scale groove 12 and the scale marks 11.

One side of the inner block 7 is fixedly connected with an extrusion plate 8, one side of the extrusion plate 8 is fixedly connected with fixed teeth 9, one side of the adjusting bolt 5 is fixedly connected with an adjusting sheet 10, both sides of the rod body 1 are respectively provided with a scale mark 11, both upper and lower sides of the rod body 1 are respectively provided with a scale groove 12, the number of the fixed teeth 9 is three, the three fixed teeth 9 are arranged on one side of the extrusion plate 8 in a parallel array mode, one side of the mounting plate 2 is provided with a round hole 13, the surface of the round hole 13 is connected with a round rod 14 in a sliding mode, one side of the round rod 14 is fixedly connected with the extrusion plate 8, one side of the rod body 1 is fixedly connected with a suspension block 15, one side of the suspension block 15 is provided with a suspension hole 16, one side of the rod body 1 is fixedly connected with a reinforcing block 17, one side of the reinforcing block 17 is fixedly connected with a clamping plate 3, the number of the scale grooves 12 is a plurality, the scale grooves 12 are arranged on the upper and lower sides of the rod body 1 in a parallel array mode, the surface of the scale groove 12 is lapped with a thread rope 18.

To sum up, this practical straightness accuracy measures fixture uses the step as follows:

1. aiming at the condition that the pipeline straightness cannot be conveniently and accurately checked, the straightness measuring devices are symmetrically fixed at two ends of the pipe head, and the thread ropes 18 are fixed on the same scale;

2. the winding degree of any angle of the pipe head can be conveniently and accurately measured, and the extrusion plate 8 can clamp the pipeline by the arrangement that the adjusting bolt 5 can be rotationally pushed on the screw hole 4;

3. the extrusion plate 8 can be stably pushed in when pushed in through the round hole 13 and the round rod 14, and the corresponding thread rope 18 can be conveniently arranged through the scale groove 12 and the scale marks 11.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, the use of the verb "comprise a" to define an element does not exclude the presence of another, same element in a process, method, article, or apparatus that comprises the element.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a fixture is measured to practical straightness accuracy, includes the body of rod (1), its characterized in that: the utility model discloses a novel fixing device for the rod body, including the body of rod (1), one side fixedly connected with mounting panel (2) of the body of rod (1), one side fixedly connected with grip block (3) of the body of rod (1), screw (4) have been seted up to one side of mounting panel (2), the surface threaded connection of screw (4) has adjusting bolt (5), inside groove (6) have been seted up to one side of adjusting bolt (5), the surface rotation of inside groove (6) is connected with rotatable inside piece (7), one side fixedly connected with stripper plate (8) of inside piece (7), one side fixedly connected with fixed tooth (9) of stripper plate (8), one side fixedly connected with adjustment sheet (10) of adjusting bolt (5).

2. A practical straightness-measuring jig according to claim 1, wherein: the scale mark (11) have all been seted up to the both sides of the body of rod (1), scale groove (12) have all been seted up to the upper and lower both sides of the body of rod (1).

3. A practical straightness-measuring jig according to claim 1, wherein: the number of the fixed teeth (9) is three, and the three fixed teeth (9) are arranged on one side of the extrusion plate (8) in a parallel array mode.

4. A practical straightness-measuring jig according to claim 1, wherein: round hole (13) have been seted up to one side of mounting panel (2), the surperficial sliding connection of round hole (13) has round bar (14), one side fixedly connected with stripper plate (8) of round bar (14).

5. A practical straightness-measuring jig according to claim 1, wherein: one side of the rod body (1) is fixedly connected with a hanging block (15), and one side of the hanging block (15) is provided with a hanging hole (16).

6. A practical straightness-measuring jig according to claim 1, wherein: one side fixedly connected with reinforcement piece (17) of the body of rod (1), one side fixedly connected with grip block (3) of reinforcement piece (17).

7. A practical straightness measuring jig according to claim 2, wherein: the quantity of scale groove (12) is a plurality of, a plurality of scale groove (12) are arranged in the upper and lower both sides of body of rod (1) in parallel array's form.

8. A practical straightness measuring jig according to claim 2, wherein: the surface of the scale groove (12) is lapped with a thread rope (18).