Steel pipe outer diameter detection device with go-no go gauge

By using a steel pipe outer diameter detection device equipped with go/no-go gauges, the problems of insufficient accuracy and concentricity in steel pipe outer diameter measurement have been solved, achieving automated and high-precision measurement and reducing the influence of human factors.

CN223783537UActive Publication Date: 2026-01-09SUZHOU GOLDEN WAY STEEL TUBE
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Patent Information

Application Number
CN202520055216.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-10
Publication Date
2026-01-09
Estimated Expiration
2035-01-10

AI Technical Summary

Technical Problem

Existing methods for measuring the outer diameter of steel pipes are not accurate enough, are greatly affected by human factors, cannot guarantee concentricity, and are inefficient.

Method used

A steel pipe outer diameter measuring device with go/no-go gauges is used, including a base, a clamping unit, and a measuring unit. The clamping unit automatically clamps the steel pipe and moves it through the conveying unit, and the go/no-go gauges are used for accurate measurement.

Benefits of technology

It achieves high-precision, automated measurement of the outer diameter of steel pipes, reduces human error, ensures measurement concentricity, and improves the accuracy and consistency of measurements.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a steel pipe outer diameter detection device with a go-no go gauge, and aims to solve the problems that the precision is insufficient, the influence of human factors is large, the measurement concentricity cannot be ensured, the efficiency is low and the like in the conventional steel pipe outer diameter measurement method. The device comprises a base, a clamp part and a measuring part, the clamp part achieves automatic clamping and conveying of a steel pipe through a steel pipe clamp and a conveying part, and the measuring part accurately measures the outer diameter of the steel pipe through a go-no go gauge. The steel pipe clamp adopts the structural design of the outer ring, the inner ring and the clamping jaw, the inner ring rotates to drive the clamping jaw to clamp the steel pipe, and the stability and concentricity in the measuring process are ensured. The conveying part adopts a belt wheel and a conveying belt to realize rapid and continuous movement of the steel pipe. The front end of the measuring part is provided with a guide groove used for guiding the steel pipe to accurately enter the go-no go gauge for measurement. The device has the advantages of accurate measurement, simplicity and convenience in operation, high efficiency, convenience in maintenance and the like, is suitable for detecting the outer diameters of steel pipes of various specifications, and effectively improves the quality control level in the steel pipe production and use processes.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the field of steel pipe detection device, especially with the steel pipe outer diameter detection device of pass -stop gauge. BACKGROUND

[0002] In the field of steel pipe production and processing, accurate measurement of the outer diameter of the steel pipe is a key link to ensure product quality and smooth subsequent processing. Currently, the measurement methods commonly used in the industry mainly include vernier caliper measurement and inspection using pass-stop gauge. These traditional measurement methods can meet the basic size detection requirements to some extent, but all have some problems.

[0003] As a kind of manual measuring tool, the accuracy of vernier caliper is limited by the skill level of operator, reading error and manufacturing accuracy of tool itself, and it is difficult to meet the requirements of high-precision measurement. Whether using vernier caliper or pass-stop gauge for measurement, it is highly dependent on the experience and carefulness of the operator. Different operators may cause measurement results to deviate due to differences in technique and visual judgment, and the uncertainty introduced by this human factor greatly affects the consistency and reliability of measurement.

[0004] At the same time, the measurement of the outer diameter of the steel pipe requires the diameter of each point along its circumference to be consistent, i.e. to ensure concentricity. However, it is difficult to ensure accurate alignment of the center point of the steel pipe during each measurement when measuring manually, especially when measuring long or large diameter steel pipes, a small deviation may cause a large error in the measurement result, thereby affecting the accurate evaluation of the overall quality of the steel pipe.

[0005] Therefore, a steel pipe outer diameter detection device capable of achieving automation, high precision and ensuring measurement concentricity is needed to overcome the above-mentioned defects and improve the quality control level in the process of steel pipe production and processing, which is a technical problem to be solved by those skilled in the art. SUMMARY

[0006] To solve the problems in the background art, the utility model provides a steel pipe outer diameter detection device with pass-stop gauge to overcome the problems of insufficient precision, great influence of human factors, inability to ensure measurement concentricity and low efficiency in the prior art. The device includes a base, a clamp part and a measurement part, the base is provided with a stand at the front end, the clamp part is arranged on the stand, and the measurement part is arranged at the rear end of the clamp part. The clamp part is used to clamp the measured steel pipe, and the measurement part is used to measure the diameter of the measured steel pipe.

[0007] Further, the clamp part comprises a steel pipe clamp and a conveying part, the conveying part is arranged on both sides of the base through a conveying support, the steel pipe clamp is respectively arranged with a clamp frame on both sides, the lower end of the clamp frame is connected with the conveying part, the conveying part drives the steel pipe clamp to move forward and backward through the clamp frame, and the measuring part comprises a measuring support, and a go-no-go gauge is arranged above the measuring support.

[0008] Further, the conveying part comprises a group of pulleys and a conveying belt, the pulleys are arranged on the conveying support, and the clamp frame is arranged on the conveying belt.

[0009] Preferably, the steel pipe clamp comprises an outer ring and an inner ring, three radially arranged radial grooves are uniformly distributed on the outer ring, three circumferentially arranged circumferential grooves are uniformly distributed on the inner ring, the radial grooves are correspondingly arranged with the circumferential grooves, the steel pipe clamp further comprises three clamping jaws, one end of the clamping jaw is connected in the radial groove, and the other end is connected to the circumferential groove, the inner ring is rotated to drive the clamping jaw to slide in the radial groove and the circumferential groove, and the measured workpiece is clamped. The steel pipe clamp has good clamping concentricity.

[0010] Preferably, the rear end of the stand is provided with a semicircular support groove, long sliding grooves are arranged on both sides of the semicircular support groove, the clamp frame is arranged in the sliding groove, and a support seat is arranged at the lower end of the support groove. The support groove and the support seat are used for supporting longer and heavier steel pipes.

[0011] Preferably, the front end of the measuring support is provided with a semicircular guide groove, and the guide groove is used for guiding the measured steel pipe into the go-no-go gauge.

[0012] The utility model discloses the advantages and beneficial effects lie in: the utility model discloses a go-no-go gauge as a measuring element, can accurately judge whether the outer diameter size of steel pipe is qualified, effectively avoids the precision problem existing in traditional measurement method. The steel pipe clamp and the conveying system in the device realize automatic clamping and moving, reduce the intervention of manual operation, thereby reducing the influence of human factors on the measurement result. This helps to improve the objectivity and reliability of measurement. The clamping jaw of the clamp adopts radial and circumferential arrangement, which ensures the stability and concentricity of the steel pipe during clamping. This helps to maintain the accurate positioning of the steel pipe during measurement, further improves the accuracy of measurement. BRIEF DESCRIPTION OF DRAWINGS

[0013] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the following will briefly introduce the drawings needed in the embodiment description. Obviously, the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can also be obtained from these drawings without any creative effort.

[0014] Figure 1 The present application is a schematic view.

[0015] Figure 2 The present application is a side view.

[0016] Wherein, 1-base, 2-clamp part, 21-steel pipe clamp, 211-outer ring, 212-inner ring, 213-radial groove, 214-circumferential groove, 215-claw, 22-conveying part, 221-conveying support, 222-belt wheel, 223-conveying belt, 23-clamp frame, 3-measuring part, 31-measuring support, 311-guide groove, 32-go-no-go gauge, 4-stand, 41-supporting groove, 411-sliding groove, 42-supporting seat. DETAILED DESCRIPTION

[0017] The technical solutions in the embodiments of the present application will be described clearly and completely in the following with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only some embodiments of the present application, but not all the embodiments. Based on the embodiments in the present application, all the other embodiments obtained by those skilled in the art without any creative effort are within the scope of protection of the present application. In addition, it should be understood that the specific embodiments described herein are only used to illustrate and explain the present application, and are not used to limit the present application. In the present application, the orientation words such as "upper" and "lower" generally refer to the upper and lower in the actual use or working state of the device, and specifically refer to the direction of the drawing surface in the drawings. And "inner" and "outer" refer to the outline of the device.

[0018] As shown in Figure 1 and Figure 2 The equipment mainly includes a base 1, a clamp part 2 and a measuring part 3.

[0019] The base 1 is fixed with a stand 4 at the front end, which provides a support frame for the whole device. The stand 4 is provided with a semicircular supporting groove 41 at the rear end, which is used to support one end of the steel pipe. Long sliding grooves 411 are formed on both sides of the supporting groove 41 for sliding of the clamp frame 23. The supporting groove 41 is connected with a supporting seat 42 at the lower end, which enhances the support stability of the longer and heavier steel pipe.

[0020] The clamp part 2 comprises a steel pipe clamp 21 and a conveying part 22. The steel pipe clamp 21 is composed of an outer ring 211 and an inner ring 212, three radial grooves 213 are arranged on the outer ring, and three circumferential grooves 214 are correspondingly arranged on the inner ring. Three clamping jaws 215 are respectively arranged between the radial grooves 213 and the circumferential grooves 214, and the clamping jaws are driven to clamp the steel pipe through rotation of the inner ring 212. The conveying part 22 is composed of a conveying bracket 221, a belt wheel 222 and a conveying belt 223, the belt wheel is arranged on the conveying bracket, the conveying belt is connected with the belt wheel and passes through the clamp frame 23, and automatic conveying of the steel pipe is realized.

[0021] The measuring part 3 comprises a measuring bracket 31 and a go-no-go gauge 32. The measuring bracket 31 is fixed on the base 1 and located at the rear of the clamp part 2. A semicircular guide groove 311 is arranged at the front end of the measuring bracket 31 and used for guiding the steel pipe to enter the go-no-go gauge 32. The go-no-go gauge 32 is arranged above the measuring bracket 31 and used for accurately measuring the outer diameter of the steel pipe.

[0022] Specific use steps are as follows:

[0023] Firstly, the steel pipe to be measured is placed in the steel pipe clamp 21, the inner ring 212 is rotated, the clamping jaws 215 slide in the radial grooves 213 and the circumferential grooves 214, and the steel pipe is clamped. Then, the conveying part 22 is started, the conveying belt 223 starts to run, and the steel pipe clamp 21 and the clamped steel pipe are driven to move backward along the long strip sliding groove 411 through the clamp frame 23.

[0024] When the front end of the steel pipe enters the guide groove 311 of the measuring bracket 31, the steel pipe continues to move until the steel pipe completely passes through the go-no-go gauge 32. The go-no-go gauge 32 accurately measures the outer diameter of the steel pipe and judges whether the steel pipe meets the preset size standard. After the measurement is completed, the conveying belt 223 reverses to run, the steel pipe clamp 21 and the steel pipe are sent back to the initial position, and preparation for the next measurement is made.

[0025] The steel pipe outer diameter detection device with the go-no-go gauge is described in detail above. The principle and implementation mode of the present application are described by applying specific examples in the text. The above description of the embodiments is only used to help understand the method and core idea of the present application. It should be pointed out that, for ordinary skilled persons in the technical field, some improvements and modifications can be made to the present application without departing from the principle of the present application, and these improvements and modifications also fall within the protection scope of the claims of the present application.

Claims

1. A steel pipe outer diameter detection device with a go-no-go gauge, comprising a base (1), a clamp part (2) and a measuring part (3), a stand (4) is arranged at the front end of the base (1), the clamp part (2) is arranged on the stand (4), and the measuring part (3) is arranged at the rear end of the clamp part (2), characterized in that, The clamp part (2) includes a steel pipe clamp (21) and a conveying part (22), the conveying part (22) is arranged on both sides of the base (1) through a conveying support (221), the steel pipe clamp (21) is respectively arranged with a clamp frame (23) on both sides, the clamp frame (23) is connected with the conveying part (22) at the lower end, the conveying part (22) drives the steel pipe clamp (21) to move forward and backward through the clamp frame (23), and the measuring part (3) includes a measuring support (31), and the measuring support (31) is arranged with a go-no-go gauge (32) above.

2. The steel pipe outer diameter detecting device with a go-no-go gauge according to claim 1, characterized by The conveying part (22) includes a group of pulleys (222) and a conveying belt (223), the pulleys (222) are arranged on the conveying support (221), and the clamp frame (23) is arranged on the conveying belt (223).

3. The steel pipe outer diameter detecting apparatus with a go-no-go gauge according to claim 2, characterized by The steel pipe clamp (21) includes an outer ring (211) and an inner ring (212), the outer ring (211) is uniformly distributed with three radially arranged radial grooves (213), the inner ring is uniformly distributed with three circumferentially arranged circumferential grooves (214), the radial grooves (213) and the circumferential grooves (214) are correspondingly arranged, the steel pipe clamp (21) further includes three clamping jaws (215), one end of the clamping jaw (215) is connected in the radial groove (213), the other end is connected to the circumferential groove (214), the inner ring (212) is rotated to drive the clamping jaw (215) to slide in the radial groove (213) and the circumferential groove (214), and the workpiece to be measured is clamped.

4. The steel pipe outer diameter detecting apparatus with a go-no-go gauge according to any one of claims 1 to 3, characterized by The stand (4) is provided with a semicircular support groove (41) at the rear end, long sliding grooves (411) are formed on both sides of the semicircular support groove (41), the clamp frame (23) is arranged in the sliding groove (411), and the support groove (41) is provided with a support seat (42) at the lower end.

5. The steel pipe outer diameter detecting apparatus with a go-no-go gauge according to claim 4, wherein The measuring support (31) is provided with a semicircular guide groove (311) at the front end.