Rapid measuring tool for round flange and round pipe

Abstract

The utility model discloses a round flange and round tube rapid measuring tool, which comprises a mounting tube, one end of the mounting tube is fixedly connected with a first connecting rod, one side of the first connecting rod is rotatably connected with a second connecting rod located on the surface of the mounting tube, and a limiting mechanism is arranged between the second connecting rod and the mounting tube. The two ends of the first connecting rod are rotatably connected with first mounting rods, the two ends of the second connecting rod are rotatably connected with second mounting rods, and one end of each first mounting rod is rotatably connected with one end of each second mounting rod. According to the rapid measuring tool for the round flange and the round pipe, an intangible round hole is reproduced through a tangible tool by adopting a mechanical design method, and the center of the round hole is rapidly measured by utilizing the principle of infrared measurement of a total station, so that the measuring steps are simplified, the calculated amount is reduced, and the measuring efficiency is improved. And the field measurement efficiency and the measurement precision are improved.

Description

Technical Field

[0001] The utility model relates to the technical field of measuring tooling, in particular to a round flange and round pipe rapid measuring tooling. Background Art

[0002] In the process of measuring the size of steel structures with a total station, it is more troublesome to measure the center position of circular holes. For example, the center position of the flange hole in the steel structure is very important. Accurately measuring the position of the flange hole can reduce the misalignment rate of the steel structure in the later stage, reduce costs, and improve the construction quality of bolted steel structures. At present, the measurement method for circular flanges and circular tubes is an indirect measurement method. This leads to the traditional measurement method of measuring multiple points at the same circle around the circular flange and circular tube, and using CAD to calculate the center fitting to obtain the center of the circular flange hole or the center of the circular tube. This method is very cumbersome in measurement and calculation, low on-site measurement efficiency, and low measurement accuracy. Utility Model Content

[0003] In view of the deficiencies in the prior art, the utility model provides a tool for rapid measurement of circular flanges and circular tubes, which solves the problem that the current measurement method for circular flanges and circular tubes is an indirect measurement method, which is to continuously measure multiple points at the same circle position around the circular flange and circular tube, and use CAD to perform center fitting calculation to obtain the center of the circular flange hole or the center of the circular tube. This method has very cumbersome measurement calculations, low on-site measurement efficiency, and low measurement accuracy.

[0004] To achieve the above objectives, the utility model is implemented through the following technical solutions: a circular flange and circular tube rapid measurement tool, including a mounting tube, one end of the mounting tube is fixedly connected to a first connecting rod, one side of the first connecting rod and located on the surface of the mounting tube is rotatably connected to a second connecting rod, a limiting mechanism is arranged between the second connecting rod and the mounting tube, both ends of the first connecting rod are rotatably connected to the first mounting rod, both ends of the second connecting rod are rotatably connected to the second mounting rod, one end of the first mounting rod away from the first connecting rod is rotatably connected to one end of the second mounting rod away from the second connecting rod, and the surfaces of the first connecting rod and the second connecting rod are fixedly connected to limiting columns.

[0005] Preferably, there are 4 limit columns in total, and the height of the limit columns is set between 30 and 50 mm. The limit columns are perpendicular to each other and parallel to the same plane.

[0006] Preferably, the limiting mechanism includes a first end face tooth ring, one end of which is fixedly connected to the surface of the second connecting rod, the first end face tooth ring is rotatably connected to the mounting tube, and the surface of the mounting tube is slidably connected to a second end face tooth ring that is compatible with the first end face tooth ring.

[0007] Preferably, one end of the second end face tooth ring is fixedly connected to a reset spring, and one end of the reset spring away from the second end face tooth ring is fixedly connected to a limiting ring, and the limiting ring is sleeved on the surface of the mounting tube and fixedly connected to the mounting tube.

[0008] Preferably, a connecting plate is fixedly connected between the inner walls of the second end face tooth ring, one end of the connecting plate is fixedly connected to a support rod, and one end of the support rod away from the connecting plate is fixedly connected to an adjusting rod, and the adjusting rod passes through the mounting tube and extends to the outside of the mounting tube.

[0009] Preferably, the connection between the first connecting rod and the second connecting rod is provided with a groove and is clamped therein so that the upper and lower surfaces are parallel.

[0010] Beneficial Effects

[0011] The utility model provides a round flange and round pipe rapid measurement tool. Compared with the prior art, it has the following beneficial effects:

[0012] (1) The circular flange and circular tube rapid measurement tool is fixedly connected to a first connecting rod through one end of the mounting tube, a second connecting rod is rotatably connected to one side of the first connecting rod and located on the surface of the mounting tube, a limiting mechanism is arranged between the second connecting rod and the mounting tube, both ends of the first connecting rod are rotatably connected to the first mounting rod, both ends of the second connecting rod are rotatably connected to the second mounting rod, one end of the first mounting rod away from the first connecting rod is rotatably connected to one end of the second mounting rod away from the second connecting rod, and the surfaces of the first connecting rod and the second connecting rod are fixedly connected to limiting columns. A mechanical design method is adopted to reproduce an invisible circular hole with a tangible tool, and the principle of infrared measurement of a total station is utilized to realize rapid measurement of the center of the circular hole, thereby simplifying the measurement steps, reducing the amount of calculation, improving the efficiency of on-site measurement, and improving the measurement accuracy.

[0013] (2) The circular flange and circular tube rapid measurement tool comprises a first end face tooth ring through a limiting mechanism, one end of the first end face tooth ring is fixedly connected to the surface of the second connecting rod, the first end face tooth ring is rotatably connected to the mounting tube, the surface of the mounting tube is slidably connected to a second end face tooth ring that matches the first end face tooth ring, one end of the second end face tooth ring is fixedly connected to a reset spring, one end of the reset spring away from the second end face tooth ring is fixedly connected to a limiting ring, the limiting ring is sleeved on the surface of the mounting tube and fixedly connected to the mounting tube, a connecting plate is fixedly connected between the inner walls of the second end face tooth ring, one end of the connecting plate is fixedly connected to a support rod, one end of the support rod away from the connecting plate is fixedly connected to an adjusting rod, the adjusting rod passes through the mounting tube and extends to the outside of the mounting tube. The setting of the limiting mechanism facilitates the adjustment and fixing of the angle between the first connecting rod and the second connecting rod, and further simplifies the operation. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a three-dimensional diagram of the structure of the utility model;

[0015] Figure 2 It is a cross-sectional view of the limiting mechanism of the utility model;

[0016] Figure 3 It is a stereoscopic view of the second end face gear ring of the utility model.

[0017] In the figure: 1 mounting tube, 2 first connecting rod, 3 second connecting rod, 4 limiting mechanism, 41 first end face tooth ring, 42 second end face tooth ring, 43 return spring, 44 limiting ring, 45 connecting plate, 46 supporting rod, 47 adjusting rod, 5 first mounting rod, 6 second mounting rod, 7 limiting column. DETAILED DESCRIPTION

[0018] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0019] See also Figure 1-3 The utility model provides two technical solutions: a round flange and round tube rapid measurement tool, specifically including the following embodiments:

[0020] Example 1

[0021] A tool for rapid measurement of round flanges and round tubes comprises a mounting tube 1, one end of which is fixedly connected to a first connecting rod 2, one side of the first connecting rod 2 and located on the surface of the mounting tube 1 is rotatably connected to a second connecting rod 3, the connection between the first connecting rod 2 and the second connecting rod 3 is provided with a groove and clamped therein so that the upper and lower surfaces are parallel, the first connecting rod 2 and the second connecting rod 3 are fixedly connected to a measuring target by bolts, and the measuring target is divided into two types, one is a cross reflection cursor, and the other is a rotating target with a coding point, and the photogrammetric measurement is installed on the rotating target with the coding point, which can be freely rotated 360 degrees up, down, left, and right, so that the measured surface is always perpendicular to the direction of the measuring device, and the second connecting rod 2 is fixedly connected to the rotating target with a coding point. A limiting mechanism 4 is arranged between the connecting rod 3 and the mounting tube 1, both ends of the first connecting rod 2 are rotatably connected with the first mounting rod 5, both ends of the second connecting rod 3 are rotatably connected with the second mounting rod 6, one end of the first mounting rod 5 away from the first connecting rod 2 is rotatably connected with one end of the second mounting rod 6 away from the second connecting rod 3, and the surfaces of the first connecting rod 2 and the second connecting rod 3 are fixedly connected with limiting columns 7, and a total of 4 limiting columns 7 are arranged, and the height of the limiting columns 7 is set between 30 and 50 mm. The limiting columns 7 are perpendicular to each other and parallel to the same plane. A magnetic rod is installed in the limiting column 7, and the strength of the magnetic force can also be increased or decreased according to actual requirements on site, and it is stably adsorbed on the flange surface.

[0022] Example 2

[0023] A round flange and round tube rapid measurement tool comprises a mounting tube 1, one end of which is fixedly connected to a first connecting rod 2, one side of the first connecting rod 2 and located on the surface of the mounting tube 1 is rotatably connected to a second connecting rod 3, the connection between the first connecting rod 2 and the second connecting rod 3 is provided with a groove and clamped therein so that the upper and lower surfaces are parallel, the first connecting rod 2 and the second connecting rod 3 are fixedly connected to a measuring target by bolts, and the measuring target is divided into two types, one is a cross reflective cursor, and the other is a rotating target with a coding point, and the photographic measurement is mounted on the rotating target with the coding point The rotating target can rotate freely 360° up, down, left, and right, so that the measured surface is always perpendicular to the direction of the measuring device. A limiting mechanism 4 is set between the second connecting rod 3 and the mounting tube 1. The limiting mechanism 4 includes a first end face toothed ring 41, one end of the first end face toothed ring 41 is fixedly connected to the surface of the second connecting rod 3, the first end face toothed ring 41 is rotatably connected to the mounting tube 1, and the surface of the mounting tube 1 is slidably connected with a second end face toothed ring 42 adapted to the first end face toothed ring 41, and one end of the second end face toothed ring 42 is fixedly connected with a reset spring 43, and the reset spring The spring 43 is in a compressed state, and one end of the return spring 43 away from the second end face toothed ring 42 is fixedly connected to a limit ring 44, and the limit ring 44 is sleeved on the surface of the mounting tube 1 and fixedly connected to the mounting tube 1. A connecting plate 45 is fixedly connected between the inner walls of the second end face toothed ring 42, and one end of the connecting plate 45 is fixedly connected to a support rod 46, and one end of the support rod 46 away from the connecting plate 45 is fixedly connected to an adjusting rod 47, and the adjusting rod 47 passes through the mounting tube 1 and extends to the outside of the mounting tube 1. Both ends of the first connecting rod 2 are rotatably connected to the first mounting rod 5. Both ends of the second connecting rod 3 are rotatably connected with the second mounting rod 6, and the end of the first mounting rod 5 away from the first connecting rod 2 is rotatably connected to the end of the second mounting rod 6 away from the second connecting rod 3. The surfaces of the first connecting rod 2 and the second connecting rod 3 are fixedly connected with the limiting columns 7. There are 4 limiting columns 7 in total, and the height of the limiting columns 7 is set between 30 and 50 mm. The limiting columns 7 are perpendicular to each other and parallel to the same plane. Magnetic bars are installed in the limiting columns 7. The strength of the magnetic force can also be increased or decreased according to actual requirements on site, and it is stably adsorbed on the flange surface.

[0024] When in use, when measuring circular flanges or circular tubes of different diameters and needing to adjust the angle between the first connecting rod 2 and the second connecting rod 3, pull the adjusting rod 47 to drive the second end face toothed ring 42 to slide along the surface of the mounting tube 1 through the support rod 46 and the connecting plate 45. The second end face toothed ring 42 moves to compress the reset spring 43 and at the same time disengages from the first end face toothed ring 41, so that the second connecting rod 3 can be rotated. When the limiting column 7 contacts the inner ring of the circular flange, release the adjusting rod 47. The second end face toothed ring 42 fits with the surface of the second end face toothed ring 42 under the action of the reset spring 43, so that the first connecting rod 2 and the second connecting rod 3 can be limited and fixed. The position of the positioning mark on the reflector is measured using the principle of infrared measurement of the total station. This position is designed to be at the same position as the position of the tooling center. The principle of the photogrammetry tooling is the same as that of the total station, thereby realizing rapid measurement of the center of a circular hole.

[0025] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0026] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A round flange and round tube rapid measurement tool, comprising a mounting tube (1), characterized in that: One end of the mounting tube (1) is fixedly connected to a first connecting rod (2); one side of the first connecting rod (2) and located on the surface of the mounting tube (1) is rotatably connected to a second connecting rod (3); a limiting mechanism (4) is provided between the second connecting rod (3) and the mounting tube (1); both ends of the first connecting rod (2) are rotatably connected to a first mounting rod (5); both ends of the second connecting rod (3) are rotatably connected to a second mounting rod (6); an end of the first mounting rod (5) away from the first connecting rod (2) is rotatably connected to an end of the second mounting rod (6) away from the second connecting rod (3); and the surfaces of the first connecting rod (2) and the second connecting rod (3) are fixedly connected to limiting columns (7).

2. A round flange and round tube rapid measurement tool according to claim 1, characterized in that: The limiting columns (7) are provided with a total of four limiting columns (7) with a height set between 30 and 50 mm. The limiting columns (7) are perpendicular to each other and parallel to the same plane.

3. The round flange and round tube rapid measurement tool according to claim 1, characterized in that: The limiting mechanism (4) comprises a first end face toothed ring (41), one end of the first end face toothed ring (41) is fixedly connected to the surface of the second connecting rod (3), the first end face toothed ring (41) is rotatably connected to the mounting tube (1), and the surface of the mounting tube (1) is slidably connected to a second end face toothed ring (42) that matches the first end face toothed ring (41).

4. A round flange and round tube rapid measurement tool according to claim 3, characterized in that: One end of the second end face toothed ring (42) is fixedly connected to a return spring (43), and one end of the return spring (43) away from the second end face toothed ring (42) is fixedly connected to a limit ring (44). The limit ring (44) is sleeved on the surface of the mounting tube (1) and fixedly connected to the mounting tube (1).

5. The round flange and round tube rapid measurement tool according to claim 4, characterized in that: A connecting plate (45) is fixedly connected between the inner walls of the second end face tooth ring (42), one end of the connecting plate (45) is fixedly connected to a support rod (46), and one end of the support rod (46) away from the connecting plate (45) is fixedly connected to an adjustment rod (47), and the adjustment rod (47) passes through the mounting tube (1) and extends to the outside of the mounting tube (1).

6. The round flange and round tube rapid measurement tool according to claim 1, characterized in that: The connection between the first connecting rod (2) and the second connecting rod (3) is provided with a groove in which the upper and lower surfaces are clamped so as to be parallel.

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