Seamless steel tube inner diameter detection device

Abstract

The utility model belongs to the technical field of seamless steel tube detection devices, and particularly relates to a seamless steel tube inner diameter detection device which comprises a base, a vertical frame is fixedly connected to one side of the upper end face of the base, an adjusting lead screw is rotatably connected to the vertical frame, a first sliding block is in threaded connection with the outer wall of the adjusting lead screw, and a second sliding block is arranged at the outer end of the adjusting lead screw in a sleeved mode. The rear end faces of the first sliding block and the second sliding block are fixedly connected with first pointers, the front ends of the first sliding block and the second sliding block are fixedly connected with pressing rods, the outer wall of the pressing rod located at the upper end is fixedly sleeved with a mounting frame, and a top plate of the mounting frame is in threaded connection with an adjusting screw rod. Under the action of mutual cooperation of the adjusting lead screw, the first sliding block, the mounting frame, the adjusting screw rod, the pressure pad, the positioning rod, the second pointer and the second dial gauge, various parameters such as the inner diameter, the outer diameter and the wall thickness of the seamless steel pipe can be measured and calculated, use is convenient, and practicability is improved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to seamless steel pipe detection device technical field, specifically is a kind of seamless steel pipe inner diameter detection device. BACKGROUND

[0002] Seamless steel pipe is by bar and is processed by extrusion or hot piercing, there is no joint on the surface of seamless steel pipe.Seamless steel pipe includes hot-rolled pipe, cold-rolled pipe, cold-drawn pipe and extruded pipe according to production method classification;According to the cross-sectional shape of seamless steel pipe classification, it includes two kinds of round and special-shaped seamless steel pipe.Seamless steel pipe needs to measure the inner and outer diameter of seamless steel pipe after production to ensure that it meets the standard.

[0003] After searching, the patent with publication number CN216308854U discloses a kind of seamless steel pipe inner diameter detection device, including handle and measuring column, the handle is fixedly connected with measuring column, the middle part of measuring column is equipped with blind way, the two side walls of measuring column middle part are equipped with blind hole correspondingly, the two ends of blind way are communicated with two blind holes respectively, two measuring blocks of relative arrangement are embedded in blind way, two measuring blocks include limit block and scale block respectively, two limit blocks are slidably matched with blind way, two limit blocks are connected by spring, two scale blocks extend to measuring column outside by passing through two blind holes respectively.

[0004] The above detection device is simple and easy to operate, and has high detection efficiency, but can only measure the inner diameter of seamless steel pipe, cannot measure other parameters such as outer diameter, and has poor practicability. SUMMARY

[0005] The utility model aims at providing a kind of seamless steel pipe inner diameter detection device, can measure and calculate the inner diameter, outer diameter and wall thickness of seamless steel pipe and other parameters, it is convenient to use, and improve practicability.

[0006] To achieve the above object, the utility model adopts the technical scheme of providing a kind of seamless steel pipe inner diameter detection device, including base, the upper end surface one side of base is fixedly connected with stand, the stand is rotatably connected with adjusting screw rod, the outer wall of adjusting screw rod is threadedly connected with sliding block one, the outer end of adjusting screw rod is equipped with sliding block two, the rear end surface of sliding block one and sliding block two is fixedly connected with pointer one, the front end of sliding block one and sliding block two is fixedly connected with pressure rod, the outer wall of pressure rod located in upper end is fixedly sleeved with mounting bracket, the top plate of mounting bracket is threadedly connected with adjusting screw rod, the lower end of adjusting screw rod is rotatably connected with pressure pad, the rear end of pressure pad is fixedly connected with positioning rod, the outer wall of positioning rod is fixedly sleeved with pointer two.

[0007] Optionally, the stand is provided with a sliding groove on the inner wall of each side near the lower end, a sliding rod is fixedly connected between the upper and lower inner walls of each sliding groove, a limiting block is slidably connected to the outer wall of each sliding rod, the sliding block is fixedly connected between the two limiting blocks, and a spring is movably connected to the outer end of each sliding rod and fixedly connected to the inner wall of the sliding groove and the upper end face of the limiting block.

[0008] Optionally, a rectangular groove is formed in the mounting frame, and the positioning rod is slidably arranged in the rectangular groove.

[0009] Optionally, a plurality of rollers are rotatably connected to the upper end face of the base and evenly distributed on both sides of the upper end face of the base.

[0010] Optionally, the upper end of the adjusting screw rod penetrates the stand and is fixedly connected with a rotating wheel, and the two pressing rods are fixedly connected to the front end of the middle part of the sliding block one and the sliding block two, respectively.

[0011] Optionally, a scale one is fixedly arranged on the outer wall of the stand, and the two pointers one are slidably arranged on the outer surface of the scale one, a scale two is fixedly arranged on the outer wall of the mounting frame, and the pointer two is slidably arranged on the outer wall of the scale two.

[0012] Compared with the prior art, the utility model has the advantages that:

[0013] 1. The adjusting screw rod, the sliding block one, the mounting frame, the adjusting screw rod, the pressing pad, the positioning rod, the pointer two and the scale two structure are matched with each other, when the inner diameter of the seamless steel pipe is measured, the pressing pad is pressed against the outer wall of the seamless steel pipe by rotating the adjusting screw rod, so that the pressing rod is pressed against the inner wall of the seamless steel pipe, and the value of the outer diameter of the seamless steel pipe can be calculated by observing the scale indicated by the pointer two on the scale two, which is convenient to use and improves the practicability.

[0014] 2. The base is newly provided, a plurality of roller structures are rotatably arranged on the upper end face of the base, the seamless steel pipe is guided when being fed or discharged, the seamless steel pipe can be moved when the volume and weight of the seamless steel pipe are large, the spring and the limiting block are arranged on the inner wall of each side of the stand, the limiting block can be pressed by the spring, so that the downward force is applied to the sliding block two, the pressing rod is driven by the sliding block two to press and fix the inner wall of the seamless steel pipe, and the stability of the seamless steel pipe during measurement is improved. BRIEF DESCRIPTION OF DRAWINGS

[0015] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the following will briefly introduce the drawings needed to be used in the embodiments or prior art 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 labor.

[0016] Figure 1 It is a first perspective structural schematic view of the application in use state.

[0017] Figure 2 It is a second perspective structural schematic view of the application in use state.

[0018] Figure 3 It is a third perspective structural schematic view of the application in use state.

[0019] Figure 4 It is a connecting structural schematic view of the mounting frame of the application.

[0020] Figure 5 It is an internal structural schematic view of the application.

[0021] In the figure: 1, base; 2, roller; 3, stand; 4, adjusting screw; 5, sliding block one; 6, sliding groove; 7, sliding rod; 8, limit block; 9, spring; 10, sliding block two; 11, pointer one; 12, pressing rod; 13, scale one; 14, mounting frame; 15, adjusting screw; 16, pressing pad; 17, positioning rod; 18, pointer two; 19, scale two; 20, seamless steel pipe. DETAILED DESCRIPTION

[0022] In order to make the technical problems, technical solutions and beneficial effects of the present application more clearly understood, the following will further describe the present application in combination with the drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present application, and are not used to limit the present application.

[0023] It should be noted that when an element is referred to as being "fixed to" or "disposed on" another element, it can be directly on the other element or indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or indirectly connected to the other element.

[0024] It should be understood that the terms "length", "width", "upper", "lower", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application.

[0025] In addition, the terms "first", "second" are only for descriptive purposes and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the technical features indicated. Therefore, the features defined as "first", "second" can explicitly or implicitly include one or more of the features. In the description of the present application, the meaning of "multiple" is two or more, unless otherwise specifically limited.

[0026] Referring to Figures 1-5 , a seamless steel pipe inner diameter detection device provided by the embodiment of the present application will be described. A seamless steel pipe inner diameter detection device, comprising a base 1, the upper end surface of the base 1 is fixedly connected with a stand 3 on one side, the stand 3 is rotatably connected with an adjusting screw 4, the outer wall of the adjusting screw 4 is threadedly connected with a sliding block 1 5, the outer end of the adjusting screw 4 is sleeved with a sliding block 2 10, the rear end surface of the sliding block 1 5 and the sliding block 2 10 is fixedly connected with a pointer 1 11, the front end of the sliding block 1 5 and the sliding block 2 10 is fixedly connected with a pressure rod 12, the outer wall of the pressure rod 12 located at the upper end is fixedly sleeved with a mounting bracket 14, the top plate of the mounting bracket 14 is threadedly connected with an adjusting screw 15, the lower end of the adjusting screw 15 is rotatably connected with a pressure pad 16, the rear end of the pressure pad 16 is fixedly connected with a positioning rod 17, the outer wall of the positioning rod 17 is fixedly sleeved with a pointer 2 18.

[0027] The seamless steel pipe inner diameter detection device provided by the present application can measure the inner diameter, outer diameter and wall thickness of the seamless steel pipe 20 and other aspects, and can conveniently move the seamless steel pipe 20 to the target position for measurement, compared with the prior art.

[0028] In another embodiment of the present application, please refer to Figure 1 and Figure 2 , the upper end surface of the base 1 is rotatably connected with a roller 2, the roller 2 is provided with a plurality of rollers 2, and the plurality of rollers 2 are evenly distributed on the two sides of the upper end surface of the base 1, the upper end of the adjusting screw 4 penetrates through the stand 3 and is fixedly sleeved with a rotating wheel, the two pressure rods 12 are respectively fixedly connected at the front end middle position of the sliding block 1 5 and the sliding block 2 10, the steel pipe 20 is supported by the rolling of the plurality of rollers 2 for up and down feeding, and the resistance during movement is reduced.

[0029] In another embodiment of the present application, please refer toFigure 2 and Figure 3 The two inner walls of the stand 3 near the lower end are each provided with a sliding groove 6, the upper and lower inner walls of the two sliding grooves 6 are each fixedly connected with a sliding rod 7, the outer wall of the two sliding rods 7 is each slidably sleeved with a limiting block 8, a sliding block two 10 is fixedly connected between the two limiting blocks 8, the outer end of the two sliding rods 7 is each movably sleeved with a spring 9, the spring 9 is respectively fixedly connected to the inner wall of the sliding groove 6 and the upper end face of the limiting block 8, the spring 9 can exert pressure on the limiting block 8, so as to drive the sliding block two 10 to move downward, and further drive the connected pressing rod 12 to press on the inner wall of the seamless steel pipe 20.

[0030] In another embodiment of the present application, please refer to Figure 3 and Figure 4 The outer wall of the stand 3 is fixedly provided with a scale table one 13, the two pointers one 11 are each slidably arranged on the outer surface of the scale table one 13, the outer wall of the mounting bracket 14 is fixedly provided with a scale table two 19, and the pointer two 18 is slidably arranged on the outer wall of the scale table two 19. The scale indicated by the pointer can be read.

[0031] In another embodiment of the present application, please refer to Figure 4 A rectangular groove is formed in the mounting bracket 14, and the positioning rod 17 is slidably arranged in the rectangular groove. The positioning rod 17 is used to drive the pointer two 18 to move, and simultaneously limits the pressing pad 16 from rotating with the adjusting screw 15.

[0032] Working principle: the seamless steel pipe 20 to be measured is pushed to one side of the stand 3 through the roller 2, and at the same time, the sliding block two 10 is lifted to drive the fixedly connected pressing rod 12 to rise, which facilitates the seamless steel pipe 20 to be sleeved, then the sliding block two 10 is loosened, and under the reset action of the spring 9, the sliding block two 10 is driven to descend, thereby driving the pressing rod 12 at the lower end to press the inner wall of the seamless steel pipe 20, then the rotating wheel drives the adjusting screw 4 to rotate, the sliding block one 5 is controlled to rise, thereby driving the fixedly connected pressing rod 12 to press the upper end inner wall of the seamless steel pipe 20, and according to the reading difference between the two pointers one 11, the height of the sliding block one 5 and the sliding block two 10 and the diameter of the two pressing rods 12 can be known, so that the inner diameter of the seamless steel pipe 20 can be calculated; then the adjusting screw 15 is rotated to drive the pressing pad 16 to descend, thereby pressing the upper surface of the seamless steel pipe 20, and according to the reading indicated by the pointer two 18 on the scale table two 19, the wall thickness of the seamless steel pipe 20 can be obtained, and in combination with the inner diameter of the seamless steel pipe 20, the outer diameter of the seamless steel pipe 20 can be calculated.

[0033] The above only describes the preferred embodiments of the present application, and is not intended to limit the present application. Any modification, equivalent replacement and improvement made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A device for detecting the inner diameter of a seamless steel pipe, comprising a base (1), characterized in that: The upper end surface of the base (1) is fixedly connected to a stand (3), and the stand (3) is rotatably connected to an adjusting screw rod (4). The outer wall of the adjusting screw rod (4) is threadedly connected to a slider 1 (5). The outer end of the adjusting screw rod (4) is sleeved with a slider 2 (10). The rear end surfaces of the slider 1 (5) and the slider 2 (10) are fixedly connected to a pointer 1 (11). The front ends of the slider 1 (5) and the slider 2 (10) are fixedly connected to a pressure rod (12). The outer wall of the pressure rod (12) at the upper end is fixedly sleeved with a mounting frame (14). The top plate of the mounting frame (14) is threadedly connected to an adjusting screw rod (15). The lower end of the adjusting screw rod (15) is rotatably connected to a pressure pad (16). The rear end of the pressure pad (16) is fixedly connected to a positioning rod (17). The outer wall of the positioning rod (17) is fixedly sleeved with a pointer 2 (18).

2. The device for detecting inner diameter of a seamless steel pipe according to claim 1, wherein: The vertical frame (3) is provided with a sliding groove (6) on both sides of the inner wall near the lower end, and a sliding rod (7) is fixedly connected between the upper and lower inner walls of the two sliding grooves (6), and a limit block (8) is slidably sleeved on the outer wall of the two sliding rods (7). The slider 2 (10) is fixedly connected between the two limit blocks (8), and the outer ends of the two sliding rods (7) are movably sleeved with a spring (9), and the spring (9) is fixedly connected to the inner wall of the sliding groove (6) and the upper end surface of the limit block (8), respectively.

3. The device for detecting inner diameter of a seamless steel pipe according to claim 1, wherein: The mounting frame (14) is provided with a rectangular groove, and the positioning rod (17) is slidably arranged in the rectangular groove.

4. The device for detecting inner diameter of a seamless steel pipe according to claim 1, wherein: The upper end surface of the base (1) is rotatably connected to a roller (2), and a plurality of the rollers (2) are provided, and the plurality of rollers (2) are evenly distributed on both sides of the upper end surface of the base (1).

5. The device for detecting inner diameter of a seamless steel pipe according to claim 1, wherein: The upper end of the adjusting screw rod (4) passes through the stand (3) and is fixedly sleeved with a rotating wheel. The two pressing rods (12) are respectively fixedly connected to the middle positions of the front ends of the slider 1 (5) and the slider 2 (10).

6. The device for detecting inner diameter of a seamless steel pipe according to claim 1, wherein: A scale gauge 1 (13) is fixedly provided on the outer wall of the stand (3), and the two pointers 1 (11) are both slidably provided on the outer surface of the scale gauge 1 (13). A scale gauge 2 (19) is fixedly provided on the outer wall of the mounting frame (14), and the pointer 2 (18) is slidably provided on the outer wall of the scale gauge 2 (19).

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