Pipe inner diameter detection device

Abstract

The utility model provides a pipe inner diameter detection device, and belongs to the technical field of pipe inner diameter detection. The pipe inner diameter detection device comprises a support, a limiting frame and a detection mechanism, the limiting frame is slidably installed on the surface of the support, a pipe is placed in the limiting frame, the detection mechanism comprises a lifting plate, a first ruler, a second ruler and scale marks, the lifting plate is slidably installed on the side wall of the support, and the first ruler is fixedly installed on the side wall of the lifting plate. According to the utility model, the detection mechanism is arranged, the limiting frame is moved towards the first ruler and the second ruler, the first ruler and the second ruler are inserted into the inner cavity of the pipe, the screw rod is rotated, the lifting plate is driven to move, the first ruler abuts against the lower end of the inner wall of the pipe, and the second ruler is driven to move upwards under the action of the first spring; the second ruler abuts against the upper end of the inner wall of the pipe, the inner diameter of the pipe can be obtained by reading the scale line between the first ruler and the second ruler, use is convenient, and personal errors are avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of pipe inner diameter detection, in particular to a pipe inner diameter detection device. Background Art

[0002] The pipe inner diameter detection device is a device used to measure the diameter of the pipe. It is used to ensure that the inner diameter size of the pipeline is consistent with the design requirements to ensure that its quality meets the standards. The qualified inner diameter size ensures that the pipeline has good stability, reliability and durability during use; ensure that the inner diameter of the pipeline meets the safety requirements to avoid leakage, bursting or other safety problems caused by improper size of the pipeline during operation. In addition, by timely detecting and adjusting the inner diameter of the pipeline, production failures and shutdowns caused by improper inner diameter size can be avoided, thereby reducing production losses and maintenance costs.

[0003] Existing pipe inner diameter detection devices usually use a ruler to directly measure the pipe. During the measurement process, the pipe is not limited, which makes the pipe easy to move, causing human errors and affecting the measurement accuracy. Utility Model Content

[0004] In order to make up for the above deficiencies, the utility model provides a pipe inner diameter detection device that overcomes the above technical problems or at least partially solves the above problems.

[0005] The utility model is achieved in this way:

[0006] The utility model provides a tube inner diameter detection device, comprising a bracket, a limit frame and a detection mechanism, wherein the limit frame is slidably mounted on the surface of the bracket, a tube is placed in the limit frame, and the detection mechanism comprises:

[0007] A lifting plate, the lifting plate being slidably mounted on the side wall of the bracket;

[0008] A first scale, wherein the first scale is fixedly mounted on a side wall of the lifting plate;

[0009] a second scale, the second scale being slidably mounted on a side wall of the lifting plate;

[0010] The scale line is fixedly mounted on the side wall of the lifting plate and is used to read the indication.

[0011] In a preferred solution, a first sliding block is fixedly mounted on the bottom of the limiting frame, a sliding groove is provided in the inner cavity of the bracket, and the first sliding block is slidably mounted in the inner cavity of the sliding groove.

[0012] In a preferred solution, a guide rod is fixedly installed in the inner cavity of the lifting plate, a second slider is slidably installed on the surface of the guide rod, and the second scale is fixedly installed on the side wall of the second slider.

[0013] In a preferred solution, a first spring is sleeved on the surface of the guide rod for driving the second slider, one end of the first spring is fixedly connected to the lifting plate, and the other end of the first spring is fixedly connected to the second slider.

[0014] In a preferred solution, a threaded block is fixedly mounted on the side wall of the lifting plate, a screw is rotatably mounted in the inner cavity of the bracket, the screw is threadedly connected to the threaded block for driving the lifting plate, and a knob is fixedly mounted on one end of the screw for rotating the screw.

[0015] In a preferred embodiment, an adjustment mechanism is installed on the surface of the limit frame for adjusting the angle of the pipe; the adjustment mechanism includes an active roller, a first gear and a second gear, the active roller is rotatably installed on the surface of the limit frame for driving the pipe to rotate, the first gear is fixedly installed on the side wall of the active roller, and the second gear is rotatably installed in the inner cavity of the limit frame, and the first gear is meshed with the second gear.

[0016] In a preferred solution, a motor is fixedly mounted on the side wall of the limiting frame, and an output end of the motor is fixedly connected to the second gear to drive the second gear to rotate.

[0017] In a preferred solution, a mounting frame is symmetrically and slidably installed on the side wall of the limit frame, a positioning roller is rotatably installed in the inner cavity of the mounting frame for positioning the pipe, a push rod is fixedly installed on the side wall of the positioning roller, a push ring is fixedly installed on the other end of the push rod, a second spring is fixedly installed in the inner cavity of the limit frame, the other end of the second spring is fixedly connected to the push ring for driving the positioning roller.

[0018] The utility model provides a pipe inner diameter detection device, and its beneficial effects include:

[0019] 1. By setting up a detection mechanism, the limit frame is moved in the direction of the first ruler and the second ruler, and the first ruler and the second ruler are inserted into the inner cavity of the pipe, the screw rod is rotated to drive the lifting plate to move, so that the first ruler abuts against the lower end of the inner wall of the pipe, and under the action of the first spring, the second ruler is driven to move up, so that the second ruler abuts against the upper end of the inner wall of the pipe. At this time, the inner diameter of the pipe can be obtained by reading the scale line between the first ruler and the second ruler, which is convenient to use and avoids human errors.

[0020] 2. By setting up the adjustment mechanism, under the action of the second spring, the positioning roller is driven to abut against the side wall of the pipe to position the pipe, avoid the pipe from being offset, ensure the detection accuracy, and drive the second gear to rotate through the motor, thereby driving the first gear and the active roller to rotate, driving the pipe to rotate, and measuring the inner diameter of the pipe at multiple different positions, the roundness of the pipe can be evaluated, and any unevenness or deviation of the diameter can be detected, thereby improving the detection accuracy of the inner diameter of the pipe. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings required for use in the embodiments are briefly introduced below. It should be understood that the following drawings only show certain embodiments of the present utility model, and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other relevant drawings can be obtained based on these drawings without creative work.

[0022] Figure 1 It is a stereogram provided by the embodiment of the utility model;

[0023] Figure 2 A front view provided for an embodiment of the utility model;

[0024] Figure 3 A schematic diagram of a side cross-sectional structure provided for an embodiment of the utility model;

[0025] Figure 4 A three-dimensional diagram of a detection mechanism provided for an embodiment of the utility model;

[0026] Figure 5 A cross-sectional view of a limit frame provided for an embodiment of the utility model;

[0027] In the figure: 1. bracket; 2. limit frame; 3. first slider; 4. slide groove; 5. detection mechanism; 501. lifting plate; 502. first scale; 503. guide rod; 504. second slider; 505. second scale; 506. first spring; 507. scale line; 508. threaded block; 509. screw rod; 510. knob; 6. adjustment mechanism; 601. active roller; 602. first gear; 603. second gear; 604. motor; 605. mounting frame; 606. positioning roller; 607. push rod; 608. push ring; 609. second spring. DETAILED DESCRIPTION

[0028] In order to make the purpose, technical solution and advantages of the implementation of the utility model clearer, the technical solution in the implementation of the utility model will be clearly and completely described below in conjunction with the drawings in the implementation of the utility model. Obviously, the described implementation is a part of the implementation of the utility model, not all of the implementations. Based on the implementation of the utility model, all other implementations obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0029] Reference Figure 1-5The utility model provides a technical solution: a device for detecting the inner diameter of a pipe, comprising a bracket 1, a limit frame 2 and a detection mechanism 5, the limit frame 2 is slidably mounted on the surface of the bracket 1, a pipe is placed in the limit frame 2, a first slider 3 is fixedly mounted on the bottom of the limit frame 2, a slide groove 4 is provided in the inner cavity of the bracket 1, the first slider 3 is slidably mounted in the inner cavity of the slide groove 4, and is used to adjust the position of the limit frame 2, the detection mechanism 5 comprises a lifting plate 501, a first scale 502, a second scale 505 and a scale line 507, the lifting plate 501 is slidably mounted on the side wall of the bracket 1, the first scale 502 is fixedly mounted on the side wall of the lifting plate 501, and the second scale 505 is slidably mounted on the side wall of the lifting plate 501. It is installed on the side wall of the lifting plate 501 and is used to abut against the inner wall of the pipe to measure the inner diameter. The scale line 507 is fixedly installed on the side wall of the lifting plate 501 and is used to read the indication. The pipe is placed in the inner cavity of the limit frame 2, and then the limit frame 2 is moved in the direction of the first scale 502 and the second scale 505, and the first scale 502 and the second scale 505 are inserted into the inner cavity of the pipe, so that the first scale 502 abuts against the lower end of the inner wall of the pipe, and the second scale 505 abuts against the upper end of the inner wall of the pipe. At this time, the inner diameter of the pipe can be obtained by reading the scale line 507 between the first scale 502 and the second scale 505, which is convenient to use and avoids human errors.

[0030] Reference Figure 1-4 In a preferred embodiment, a guide rod 503 is fixedly installed in the inner cavity of the lifting plate 501, a second slider 504 is slidably installed on the surface of the guide rod 503, a second scale 505 is fixedly installed on the side wall of the second slider 504, a first spring 506 is sleeved on the surface of the guide rod 503, and is used to drive the second slider 504, one end of the first spring 506 is fixedly connected to the lifting plate 501, and the other end of the first spring 506 is fixedly connected to the second slider 504, under the action of the first spring 506, the second scale 505 is driven to move upward and abut against the upper end of the inner wall of the pipe.

[0031] Reference Figure 1-4 In a preferred embodiment, a threaded block 508 is fixedly installed on the side wall of the lifting plate 501, and a screw rod 509 is rotatably installed in the inner cavity of the bracket 1. The screw rod 509 is threadedly connected to the threaded block 508 and is used to drive the lifting plate 501. A knob 510 is fixedly installed on one end of the screw rod 509 and is used to rotate the screw rod 509.

[0032] In a preferred embodiment, when in use, the pipe is placed in the inner cavity of the limit frame 2, and then the limit frame 2 is moved in the direction of the first scale 502 and the second scale 505, and the first scale 502 and the second scale 505 are inserted into the inner cavity of the pipe, and the screw rod 509 is driven to rotate by turning the knob 510, and the lifting plate 501 is driven to move, so that the first scale 502 abuts against the lower end of the inner wall of the pipe, and under the action of the first spring 506, the second scale 505 is driven to move upward, so that the second scale 505 abuts against the upper end of the inner wall of the pipe. At this time, the inner diameter of the pipe can be obtained by reading the scale line 507 between the first scale 502 and the second scale 505, which is convenient to use and avoids human errors.

[0033] Reference Figure 1-5 In a preferred embodiment, an adjusting mechanism 6 is installed on the surface of the limit frame 2 for adjusting the angle of the pipe; the adjusting mechanism 6 includes an active roller 601, a first gear 602 and a second gear 603. The active roller 601 is rotatably installed on the surface of the limit frame 2 for driving the pipe to rotate and measure the inner diameter of the pipe at multiple different positions, so as to evaluate the roundness of the pipe and detect any unevenness or deviation of the diameter. The first gear 602 is fixedly installed on the side wall of the active roller 601, and the second gear 603 is rotatably installed in the inner cavity of the limit frame 2. 603, the first gear 602 is meshed with the second gear 603, and a motor 604 is fixedly installed on the side wall of the limit frame 2. The output end of the motor 604 is fixedly connected to the second gear 603 to drive the second gear 603 to rotate. The second gear 603 is driven to rotate by the motor 604, thereby driving the first gear 602 and the active roller 601 to rotate, and driving the pipe to rotate. The inner diameter of the pipe is measured at multiple different positions, the roundness of the pipe can be evaluated, and any unevenness or deviation of the diameter can be detected, thereby improving the detection accuracy of the inner diameter of the pipe.

[0034] Reference Figure 1-5 In a preferred embodiment, a mounting frame 605 is symmetrically and slidably installed on the side wall of the limit frame 2, and a positioning roller 606 is rotatably installed in the inner cavity of the mounting frame 605 for positioning the pipe. A push rod 607 is fixedly installed on the side wall of the positioning roller 606, and a push ring 608 is fixedly installed on the other end of the push rod 607. A second spring 609 is fixedly installed in the inner cavity of the limit frame 2, and the other end of the second spring 609 is fixedly connected to the push ring 608 for driving the positioning roller 606. Under the action of the second spring 609, the positioning roller 606 is driven to abut against the side wall of the pipe to position the pipe, avoid the pipe from being offset, and ensure the detection accuracy.

[0035] In a preferred embodiment, when in use, the pipe is placed in the inner cavity of the limit frame 2, and under the action of the second spring 609, the positioning roller 606 is driven to abut against the side wall of the pipe to position the pipe to avoid the pipe from being offset and ensure the detection accuracy. The second gear 603 is driven to rotate by the motor 604, thereby driving the first gear 602 and the active roller 601 to rotate, driving the pipe to rotate, and measuring the inner diameter of the pipe at multiple different positions. The roundness of the pipe can be evaluated, and any unevenness or deviation of the diameter can be detected, thereby improving the detection accuracy of the inner diameter of the pipe.

[0036] Specifically, the working process or working principle of the pipe inner diameter detection device is as follows: when in use, the pipe is placed in the inner cavity of the limit frame 2, and under the action of the second spring 609, the positioning roller 606 is driven to abut against the side wall of the pipe to position the pipe to avoid the pipe from being offset and ensure the detection accuracy. Then the limit frame 2 is moved in the direction of the first scale 502 and the second scale 505, and the first scale 502 and the second scale 505 are inserted into the inner cavity of the pipe. The screw rod 509 is driven to rotate by turning the knob 510 to drive the lifting plate 501 to move so that the first scale 502 abuts against the lower end of the inner wall of the pipe, and under the action of the first spring 506, the second scale 505 is driven to move up so that the second scale 505 abuts against the upper end of the inner wall of the pipe. At this time, the inner diameter of the pipe can be obtained by reading the scale line 507 between the first scale 502 and the second scale 505, which is convenient to use and avoids human errors.

[0037] The second gear 603 is driven to rotate by the motor 604, thereby driving the first gear 602 and the active roller 601 to rotate, driving the tube to rotate, and measuring the inner diameter of the tube at multiple different positions, thereby evaluating the roundness of the tube and detecting any unevenness or deviation of the diameter, thereby improving the detection accuracy of the inner diameter of the tube.

[0038] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

[0039] It should be noted that the motor 604 is a device or equipment existing in the prior art, or a device or equipment that can be realized in the prior art. Its power supply, specific composition and principle are clear to those skilled in the art, so they are not described in detail.

Claims

1. A pipe inner diameter detection device, characterized in that: The device comprises a support (1), a limit frame (2) and a detection mechanism (5), wherein the limit frame (2) is slidably mounted on the surface of the support (1), a pipe is placed in the limit frame (2), and the detection mechanism (5) comprises: A lifting plate (501), wherein the lifting plate (501) is slidably mounted on a side wall of the bracket (1); A first scale (502), wherein the first scale (502) is fixedly mounted on a side wall of the lifting plate (501); A second scale (505), wherein the second scale (505) is slidably mounted on a side wall of the lifting plate (501); A scale line (507) is fixedly mounted on the side wall of the lifting plate (501) and is used for reading the indication.

2. A pipe inner diameter detection device according to claim 1, characterized in that: A first sliding block (3) is fixedly mounted on the bottom of the limiting frame (2); a sliding groove (4) is provided in the inner cavity of the bracket (1); and the first sliding block (3) is slidably mounted in the inner cavity of the sliding groove (4).

3. A pipe inner diameter detection device according to claim 1, characterized in that: A guide rod (503) is fixedly mounted in the inner cavity of the lifting plate (501), a second slider (504) is slidably mounted on the surface of the guide rod (503), and the second scale (505) is fixedly mounted on the side wall of the second slider (504).

4. A pipe inner diameter detection device according to claim 3, characterized in that: A first spring (506) is sleeved on the surface of the guide rod (503) for driving the second slider (504); one end of the first spring (506) is fixedly connected to the lifting plate (501), and the other end of the first spring (506) is fixedly connected to the second slider (504).

5. The pipe inner diameter detection device according to claim 1, characterized in that: A threaded block (508) is fixedly mounted on the side wall of the lifting plate (501); a screw rod (509) is rotatably mounted in the inner cavity of the bracket (1); the screw rod (509) is threadedly connected to the threaded block (508) and is used to drive the lifting plate (501); a knob (510) is fixedly mounted on one end of the screw rod (509) and is used to rotate the screw rod (509).

6. A pipe inner diameter detection device according to claim 1, characterized in that: An adjusting mechanism (6) is installed on the surface of the limiting frame (2) for adjusting the angle of the pipe; the adjusting mechanism (6) comprises an active roller (601), a first gear (602) and a second gear (603); the active roller (601) is rotatably installed on the surface of the limiting frame (2) for driving the pipe to rotate; the first gear (602) is fixedly installed on the side wall of the active roller (601); the second gear (603) is rotatably installed in the inner cavity of the limiting frame (2); the first gear (602) is meshed with the second gear (603).

7. A pipe inner diameter detection device according to claim 6, characterized in that: A motor (604) is fixedly mounted on the side wall of the limiting frame (2); an output end of the motor (604) is fixedly connected to the second gear (603) for driving the second gear (603) to rotate.

8. A pipe inner diameter detection device according to claim 6, characterized in that: The side wall of the limit frame (2) is symmetrically and slidably mounted with an installation frame (605), the inner cavity of the installation frame (605) is rotatably mounted with a positioning roller (606) for positioning the pipe, the side wall of the positioning roller (606) is fixedly mounted with a push rod (607), the other end of the push rod (607) is fixedly mounted with a push ring (608), the inner cavity of the limit frame (2) is fixedly mounted with a second spring (609), the other end of the second spring (609) is fixedly connected to the push ring (608) for driving the positioning roller (606).

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