Portable steel pipe wall thickness measuring instrument

Abstract

The utility model relates to the technical field of wall thickness measurement, in particular to a portable steel pipe wall thickness measuring instrument. The measuring scale comprises a measuring scale rod, and a translation mechanism is fixedly arranged on the edge of the top surface of the measuring scale rod; the surface of the translation mechanism is in threaded connection with a translation clamping frame, and right side clamping teeth are fixedly arranged on one side of the bottom face of the translation clamping frame. According to the portable steel pipe wall thickness measuring instrument, through the arrangement of the translation mechanism and the distance measuring sensor, when the portable steel pipe wall thickness measuring instrument is used, left side clamping teeth are attached to the inner side of the steel pipe wall, after a servo motor is powered on, a threaded lead screw is driven to rotate, then a translation clamping frame is driven to transversely move on the surface of a measuring ruler rod, and right side clamping teeth abut against the outer side of the steel pipe wall; the distance measuring sensor measures the distance between the distance measuring sensor and the reflecting plate, then numerical values are displayed on the displayer, the effect that personnel can measure the thickness of the steel pipe wall conveniently is achieved, the numerical values of the distance measuring sensor can be compared with scales of the measuring ruler rod, and accurate data can be obtained.

Description

Technical Field

[0001] The utility model relates to the technical field of wall thickness measurement, in particular to a portable steel pipe wall thickness measuring instrument. Background Art

[0002] Steel pipe is a hollow steel tube whose length is much greater than its diameter or circumference. Steel pipes are categorized by cross-sectional shape into round, square, rectangular, and special-shaped. During steel pipe inspection, it is often necessary to measure the wall thickness of the pipe.

[0003] A new portable inner and outer diameter measuring instrument for seamless steel pipes disclosed in announcement number CN204944386U has a simple structural design, convenient measurement, fast measurement speed and high accuracy. At the same time, by setting an auxiliary movable ruler to shorten the length of the measuring ruler, the measuring instrument is easy to carry and suitable for users to measure and carry at any time.

[0004] However, the new portable seamless steel pipe inner and outer diameter measuring instrument is not convenient for protecting the sharp tip of the measuring claw. When a person carries the instrument, the tip of the measuring claw is likely to pierce the person, causing injury. Utility Model Content

[0005] The utility model aims to provide a portable steel pipe wall thickness measuring instrument to solve the problem that it is inconvenient to protect the sharp tip of the measuring claw.

[0006] To achieve the above-mentioned purpose, a portable steel pipe wall thickness measuring instrument is provided, comprising a measuring ruler rod, wherein a translation mechanism is fixedly provided on the edge of the top surface of the measuring ruler rod; a translation bracket is threadedly connected to the surface of the translation mechanism, a right-side clamping tooth is fixedly provided on one side of the bottom surface of the translation bracket, and a reflective plate is fixedly provided on one side of the top surface of the translation bracket; a distance measuring sensor is fixedly provided on one side of the top surface of the measuring ruler rod, and a left-side clamping tooth is fixedly provided on one side of the bottom surface of the measuring ruler rod; a cavity is provided inside the measuring ruler rod, and an adjusting rod is slidably provided inside the cavity, a threaded hole is provided on the surface of the measuring ruler rod away from the left-side clamping tooth, the internal thread of the threaded hole is penetrated by a locking mechanism, and protective covers are sleeved on the surfaces of the left-side clamping tooth and the right-side clamping tooth.

[0007] As a further improvement of the present technical solution, the translation mechanism includes a servo motor and a threaded screw. The servo motor is fixedly mounted on the edge of the top surface of the measuring ruler rod. One end of the threaded screw is fixedly connected to the output end of the servo motor. The servo motor is used to drive the threaded screw to rotate.

[0008] As a further improvement of the present technical solution, one side of the distance measuring sensor is electrically connected to a controller, and the controller is electrically connected to a display. The display is fixedly arranged on the front side of the translation bracket, and the display is convenient for displaying the pipe wall thickness.

[0009] As a further improvement of the present technical solution, the locking mechanism includes a locking stud and a rubber sheet. The locking stud thread passes through the interior of the threaded hole. The rubber sheet is fixed to one end of the locking stud and is used to fix the adjusting rod.

[0010] As a further improvement of the present technical solution, a limiting groove is provided on the surface of the adjusting rod, and the limiting groove is used to press against the rubber sheet to fix the adjusting rod, and the limiting groove presses against the rubber sheet.

[0011] As a further improvement of the present technical solution, a handle is fixedly provided at one end of the adjusting rod, and anti-slip covers are fixedly provided on both sides of the surface of the handle, and the anti-slip covers are convenient for anti-slip.

[0012] As a further improvement of the present technical solution, the translation bracket is slidably arranged on the surface of the measuring ruler rod, and the surface of the measuring ruler rod is engraved with scale lines, which are used to measure the thickness of the pipe wall.

[0013] Compared with the prior art, the present invention has the following beneficial effects:

[0014] 1. In this portable steel pipe wall thickness measuring instrument, through the setting of the translation mechanism and the distance sensor, when in use, the left-side clamping tooth is pressed against the inner side of the steel pipe wall. After the servo motor is powered on, it drives the threaded screw to rotate, and then drives the translation clamping frame to move horizontally on the surface of the measuring ruler, and presses the right-side clamping tooth against the outer side of the steel pipe wall. The distance sensor measures the distance to the reflector and then displays the value on the display, which makes it easy for personnel to measure the thickness of the steel pipe wall. In addition, the value of the distance sensor can be compared with the scale of the measuring ruler to obtain accurate data.

[0015] 2. In this portable steel pipe wall thickness gauge, through the arrangement of the adjustment rod and the protective cover, when carrying, the left-side locking teeth are fitted with the right-side locking teeth, and then the protective cover is put on the surface of the locking teeth to prevent the sharp tips of the locking teeth from stabbing people when carrying. The adjustment rod is retracted into the inside of the measuring ruler rod, and the locking stud is turned to make the rubber sheet press against the adjustment rod, thereby reducing the overall volume and making it easy to carry. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0017] Figure 2 This is a schematic diagram of the structure of the utility model as a whole;

[0018] Figure 3This is a schematic structural diagram of the translation mechanism of the present utility model;

[0019] Figure 4 This is a schematic structural diagram of the measuring ruler rod of the utility model;

[0020] Figure 5 This is an enlarged structural diagram of point A of the present invention.

[0021] The meaning of each number in the figure is:

[0022] 1. Measuring ruler; 2. Translation mechanism; 201. Servo motor; 202. Screw rod; 3. Translation bracket; 4. Right-side latch; 5. Reflector; 6. Distance sensor; 7. Left-side latch; 8. Adjustment lever; 9. Locking mechanism; 901. Locking stud; 902. Rubber sheet; 10. Protective cover; 11. Display; 12. Grip; 13. Anti-slip cover. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0024] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise" and the like to indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0025] See also Figure 1-Figure 5As shown, the purpose of this embodiment is to provide a portable steel pipe wall thickness measuring instrument, including a measuring ruler 1, a translation mechanism 2 is fixedly provided on the edge of the top surface of the measuring ruler 1; a translation bracket 3 is threadedly connected to the surface of the translation bracket 2, a right-side clamping tooth 4 is fixedly provided on one side of the bottom surface of the translation bracket 3, and a reflective plate 5 is fixedly provided on one side of the top surface of the translation bracket 3; a distance measuring sensor 6 is fixedly provided on one side of the top surface of the measuring ruler 1. Through the arrangement of the translation mechanism 2 and the distance measuring sensor 6, when in use, the left-side clamping tooth 7 is affixed to the inner side of the steel pipe wall, and after the servo motor 201 is energized, it drives the threaded screw 202 to rotate, thereby driving the translation bracket 3 to move horizontally on the surface of the measuring ruler 1, pressing the right-side clamping tooth 4 against the outer side of the steel pipe wall, and the distance measuring sensor 6 measures the distance to the reflective plate 5, and then displays the value on the display 11, thereby achieving the effect of facilitating personnel to measure the wall thickness of the steel pipe, and the value of the distance measuring sensor 6 can be compared with the scale of the measuring ruler 1 to obtain accurate data;

[0026] A left-side latch tooth 7 is fixedly provided on one side of the bottom surface of the measuring ruler rod 1; a cavity is provided inside the measuring ruler rod 1, and an adjusting rod 8 is slidably provided inside the cavity. A threaded hole is provided on the side of the surface of the measuring ruler rod 1 away from the left-side latch tooth 7, and a locking mechanism 9 is passed through the internal thread of the threaded hole. A protective cover 10 is sleeved on the surface of the left-side latch tooth 7 and the right-side latch tooth 4. Through the arrangement of the adjusting rod 8 and the protective cover 10, when carrying, the left-side latch tooth 7 is fit with the right-side latch tooth 4, and then the protective cover 10 is sleeved on the surface of the latch tooth to avoid the sharp tip of the latch tooth from stabbing people when carrying. The adjusting rod 8 is retracted into the inside of the measuring ruler rod 1, and the locking stud 901 is screwed to make the rubber sheet 902 press against the adjusting rod 8, thereby reducing the overall volume and making it easy to carry.

[0027] See also Figure 3 The translation mechanism 2 includes a servo motor 201 and a threaded screw 202 . The servo motor 201 is fixedly mounted on the edge of the top surface of the measuring ruler rod 1 , and one end of the threaded screw 202 is fixedly connected to the output end of the servo motor 201 .

[0028] The setting of the translation mechanism 2 plays a role in driving the translation bracket 3 to move horizontally on the measuring ruler rod 1.

[0029] See also Figure 2 One side of the distance measuring sensor 6 is electrically connected to a controller, and the controller is electrically connected to a display 11 . The display 11 is fixedly arranged on the front side of the translation card frame 3 .

[0030] By setting the distance measuring sensor 6, the distance measuring sensor 6 measures the distance to the reflector 5, and then displays the value on the display 11, which is convenient for personnel to measure the wall thickness of the steel pipe.

[0031] See also Figure 5The locking mechanism 9 includes a locking stud 901 and a rubber sheet 902 . The locking stud 901 is threadedly inserted into the threaded hole, and the rubber sheet 902 is fixedly arranged on one end of the locking stud 901 .

[0032] By setting the locking mechanism 9, the adjusting rod 8 is retracted into the measuring ruler rod 1, and the locking screw 901 is screwed so that the rubber sheet 902 presses against the adjusting rod 8, thereby reducing the overall volume.

[0033] See also Figure 4 A limiting groove is provided on the surface of the adjusting rod 8 , and the limiting groove is used to press against the rubber sheet 902 to fix the adjusting rod 8 .

[0034] The setting of the limiting groove plays the role of fixing the rubber sheet 902.

[0035] See also Figure 4 A handle 12 is fixedly provided at one end of the adjusting rod 8 , and anti-slip sleeves 13 are fixedly provided on both sides of the surface of the handle 12 .

[0036] The provision of the handle 12 makes it easier for people to hold the device.

[0037] See also Figure 2 The translation bracket 3 is slidably arranged on the surface of the measuring ruler rod 1, and the surface of the measuring ruler rod 1 is engraved with scale lines.

[0038] The arrangement of the translational clamping frame 3 can drive the right clamping tooth 4 to move.

[0039] Working steps: When in use, the left-side clamping tooth 7 is pressed against the inner side of the steel pipe wall. After the servo motor 201 is powered on, it drives the screw rod 202 to rotate, thereby driving the translation clamping frame 3 to move horizontally on the surface of the measuring ruler 1, and the right-side clamping tooth 4 is pressed against the outer side of the steel pipe wall. The distance sensor 6 measures the distance to the reflective plate 5, and then displays the value on the display 11, which is convenient for personnel to measure the thickness of the steel pipe wall. The value of the distance sensor 6 can be compared with the scale of the measuring ruler 1 to obtain accurate data;

[0040] When carrying, the left latch 7 is fitted with the right latch 4, and then the protective cover 10 is put on the surface of the latch to prevent the sharp tip of the latch from stabbing people when carrying;

[0041] The adjusting rod 8 is retracted into the measuring ruler rod 1, and the locking screw 901 is screwed to make the rubber sheet 902 press against the adjusting rod 8, thereby reducing the overall volume and making it easy to carry.

[0042] The above shows and describes the basic principles, main features, and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited to the above embodiments. The above embodiments and descriptions are merely preferred examples of the present invention and are not intended to limit the present invention. Various changes and improvements may be made to the present invention without departing from the spirit and scope of the present invention, and such changes and improvements fall within the scope of the present invention. The scope of protection claimed in the present invention is defined by the appended claims and their equivalents.

Claims

1. A portable steel pipe wall thickness measuring instrument, characterized by: It comprises a measuring ruler rod (1), wherein a translation mechanism (2) is fixedly provided on the edge of the top surface of the measuring ruler rod (1); The surface of the translation mechanism (2) is threadedly connected to a translation bracket (3); a right-side clamping tooth (4) is fixedly provided on one side of the bottom surface of the translation bracket (3); and a reflective plate (5) is fixedly provided on one side of the top surface of the translation bracket (3); A distance sensor (6) is fixedly provided on one side of the top surface of the measuring ruler rod (1), and a left-side latching tooth (7) is fixedly provided on one side of the bottom surface of the measuring ruler rod (1); A cavity is provided inside the measuring ruler rod (1), an adjusting rod (8) is slidably provided inside the cavity, a threaded hole is provided on the surface of the measuring ruler rod (1) away from the left latching tooth (7), a locking mechanism (9) is passed through the internal thread of the threaded hole, and protective sleeves (10) are sleeved on the surfaces of the left latching tooth (7) and the right latching tooth (4).

2. The portable steel pipe wall thickness measuring instrument according to claim 1, characterized in that: The translation mechanism (2) comprises a servo motor (201) and a threaded screw (202); the servo motor (201) is fixedly mounted on the edge of the top surface of the measuring ruler (1); one end of the threaded screw (202) is fixedly connected to the output end of the servo motor (201).

3. The portable steel pipe wall thickness measuring instrument according to claim 1, characterized in that: One side of the distance measuring sensor (6) is electrically connected to a controller, and the controller is electrically connected to a display (11). The display (11) is fixedly arranged on the front side of the translation card frame (3).

4. The portable steel pipe wall thickness measuring instrument according to claim 1, characterized in that: The locking mechanism (9) comprises a locking stud (901) and a rubber sheet (902), wherein the locking stud (901) is threadedly inserted into the interior of the threaded hole, and the rubber sheet (902) is fixedly arranged on one end of the locking stud (901).

5. The portable steel pipe wall thickness measuring instrument according to claim 1, characterized in that: A limiting groove is provided on the surface of the adjusting rod (8), and the limiting groove is used to press against the rubber sheet (902) to fix the adjusting rod (8).

6. The portable steel pipe wall thickness measuring instrument according to claim 1, characterized in that: A handle (12) is fixedly provided at one end of the adjusting rod (8), and anti-slip sleeves (13) are fixedly provided on both sides of the surface of the handle (12).

7. The portable steel pipe wall thickness measuring instrument according to claim 1, characterized in that: The translation bracket (3) is slidably arranged on the surface of the measuring ruler rod (1), and the surface of the measuring ruler rod (1) is engraved with scale lines.

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