Pipe wall thickness measuring equipment

Abstract

The utility model discloses a pipe wall thickness measuring device, comprising a base, the upper surface of the base is fixedly connected with two motors, the output ends of the two motors are both fixedly connected with driving delivery wheels, the upper surface of the base is fixedly connected with a supporting plate, the right side surface of the supporting plate is fixedly connected with a clamping cylinder, and the right side surface of the clamping cylinder is fixedly connected with a rotating shaft. A forward air cylinder is fixedly installed on the upper surface of the machine base, and a first sliding rail is fixedly connected to the upper surface of the forward air cylinder. According to the device, the driving conveying wheel is driven by the motor to rotate for feeding, feeding is stopped after the pipe in-place sensor detects a signal, it can be ensured that the measuring positions are the same every time, the position of the measuring head can be adjusted by adjusting the horizontal air cylinder and the vertical adjusting module, and the installation error of the measuring head and the clamping air cylinder is made up; the outer wall and the inner wall of the pipe are measured through the point spectrum distance measuring instrument on the measuring head, direct contact between a measuring tool and the detection pipe is avoided, and inaccurate measurement caused by workpiece deformation after force is applied in measurement is prevented.

Description

TECHNICAL FIELD

[0001] The utility model relates to measuring equipment technical field especially a pipe wall thickness measuring equipment. BACKGROUND

[0002] Nuclear fuel refers to radioactive matter that generates energy through fission in a reactor, and is the energy source of nuclear power plants. Nuclear fuel has various types, such as uranium, plutonium, and thorium compounds. When uranium is used, the extract from uranium ore needs to be chemically treated to form uranium dioxide pellets, which are then loaded into a tubular cladding of a gallium alloy to form fuel rods. The fuel is isolated from the coolant to ensure the safe operation of the reactor.

[0003] The cladding tube currently used on nuclear fuel has requirements for the outer diameter, inner diameter, and thickness size. When detecting the thickness size, a contact-type measuring method is often used. If the wall thickness is thin, the workpiece may be deformed due to the measurement force, resulting in inaccurate measurement. Therefore, a pipe wall thickness measuring device is proposed to solve the above problems. SUMMARY

[0004] The utility model aims at providing a pipe wall thickness measuring device to solve the problems raised in the background.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme:

[0006] A pipe wall thickness measuring device includes a base, two motors fixedly connected to the upper surface of the base, a driving wheel fixedly connected to the output end of each motor, a support plate fixedly connected to the upper surface of the base, a clamping cylinder fixedly connected to the right side of the support plate, a forward cylinder fixedly installed on the upper surface of the base, a first slide rail fixedly connected to the upper surface of the forward cylinder, a first slide block slidingly connected to the outer surface of the first slide rail, a first connecting plate fixedly connected to the upper surface of the first slide block, the inner side wall of the first connecting plate connected to the output end of the forward cylinder, a first back-shaped connecting plate fixedly connected to the upper surface of the first connecting plate, a horizontal cylinder fixedly installed on the outer surface of the first back-shaped connecting plate, a second slide rail fixedly connected to the inner bottom wall of the first back-shaped connecting plate, a second slide block slidingly connected to the outer surface of the second slide rail, the output end of the horizontal cylinder connected to the outer surface of the second slide block, a second back-shaped connecting plate fixedly connected to the upper surface of the second slide block, a second connecting plate fixedly connected to the upper surface of the second back-shaped connecting plate, an up-down adjustment module fixedly connected to the left side of the second connecting plate, two measuring heads clamped to the inner wall of the up-down adjustment module, and a pipe alignment sensor fixedly connected to the upper surface of the base.

[0007] In further embodiments, the upper surfaces of the two motors are fixedly connected with two round slide rods, and the outer surfaces of each two round slide rods are slidably connected with upper and lower sliding blocks.

[0008] In further embodiments, the outer surfaces of the two upper and lower sliding blocks are fixedly connected with rotating shafts, the outer surfaces of the two rotating shafts are fixedly connected with bearings, and the outer rings of the two bearings are fixedly connected with pressure wheels.

[0009] In further embodiments, the outer surfaces of each two round slide rods are slidably connected with anti-collision spring plates, and the upper surfaces of each anti-collision spring plate are fixedly connected with bumpers.

[0010] In further embodiments, the output ends of each bumper extend through each anti-collision spring plate and to the bottom surface of each anti-collision spring plate.

[0011] In further embodiments, the upper surface of the machine base and the left side surface of the support plate are fixedly connected with two first triangular plates, and the outer surface of the second connecting plate is fixedly connected with a second triangular plate.

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

[0013] The device drives the driving transmission wheel to rotate through the motor, feeds the pipe material into the clamping assembly from the rear end, stops feeding when the pipe-in-place sensor has a signal, clamps by the clamping assembly, can ensure that the measurement position is the same each time, adjusts the position of the measuring head by adjusting the horizontal cylinder when the pipe diameter is different, makes the measuring head and the pipe wall in a certain relative position, adjusts the measuring head up and down by adjusting the up and down adjusting module, compensates for the installation error of the measuring head and the clamping cylinder in the vertical direction, makes the measurement position all pass the center when measuring the wall thickness, measures the outer wall and the inner wall of the pipe by the point spectrum range finder on the measuring head, compares the obtained data with the standard wall thickness pipe, and thus the wall thickness of the detection pipe is obtained, avoids direct contact between the measuring tool and the detection pipe, and prevents the workpiece from being deformed due to measurement force and causes inaccurate measurement. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is a front view three-dimensional structure schematic diagram of the pipe wall thickness measuring equipment.

[0015] Figure 2 It is a side view structure schematic diagram of the pipe wall thickness measuring equipment.

[0016] Figure 3 It is a top view structure schematic diagram of the pipe wall thickness measuring equipment.

[0017] Figure 4 It is a structure schematic diagram of the pipe wall thickness measuring equipment in Figure 2 It is a structure schematic diagram of the pipe wall thickness measuring equipment in

[0018] Fig. 1, base; 2, motor; 3, anti-collision spring plate; 4, driving transmission wheel; 5, support plate; 6, clamping cylinder; 7, forward cylinder; 8, first sliding rail; 9, first sliding block; 10, first connecting plate; 11, first back-shaped connecting plate; 12, horizontal cylinder; 13, second sliding rail; 14, second sliding block; 15, second back-shaped connecting plate; 16, second connecting plate; 17, up-down adjustment module; 18, measuring head; 19, round slide rod; 20, up-down sliding block; 21, rotating shaft; 22, bearing; 23, pressure roller; 24, first triangular plate; 25, second triangular plate; 26, pipe in-place sensor; 27, buffer. DETAILED DESCRIPTION

[0019] In the description of the present application, it needs to be understood that the orientation or positional relationship indicated by the terms "center", "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the devices or elements indicated must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application. In addition, the terms "first", "second" and the like are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the technical features indicated. Therefore, the features limited by "first", "second" and the like can explicitly or implicitly include one or more of the features. In the description of the present application, the meaning of "a plurality of" is two or more, unless otherwise specified.

[0020] In the description of the present application, it needs to be understood that, unless otherwise explicitly specified and limited, the terms "mounting", "connection", "connection" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the communication inside two elements. For ordinary skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0021] The technical solutions in the embodiments of the present application will be described clearly and completely below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, not all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by ordinary skilled in the art without creative labor belong to the scope of protection of the present application.

[0022] Please refer to Figures 1-4The utility model discloses a kind of pipe wall thickness measuring equipment, including pedestal 1, the upper surface of pedestal 1 is fixedly connected with two motors 2, the output of two motors 2 is fixedly connected with driving transmission wheel 4, the upper surface of pedestal 1 is fixedly connected with support plate 5, the right side of support plate 5 is fixedly connected with clamping cylinder 6, the upper surface of pedestal 1 is fixedly installed with forward cylinder 7, the upper surface of forward cylinder 7 is fixedly connected with first slide rail 8, the outer surface of first slide rail 8 is slidably connected with first sliding block 9, the upper surface of first sliding block 9 is fixedly connected with first connecting plate 10, the inner side wall of first connecting plate 10 is connected with the output of forward cylinder 7, the upper surface of first connecting plate 10 is fixedly connected with first backshaped connecting plate 11, the outer surface of first backshaped connecting plate 11 is fixedly installed with horizontal cylinder 12, the inner bottom wall of first backshaped connecting plate 11 is fixedly connected with second slide rail 13, the outer surface of second slide rail 13 is slidably connected with second sliding block 14, the output of horizontal cylinder 12 is connected with the outer surface of second sliding block 14, the upper surface of second sliding block 14 is fixedly connected with second backshaped connecting plate 15, the upper surface of second backshaped connecting plate 15 is fixedly connected with second connecting plate 16, the left side of second connecting plate 16 is fixedly connected with up-down adjustment module 17, the inner wall of up-down adjustment module 17 is clamped with two measuring heads 18, the upper surface of pedestal 1 is fixedly connected with pipe to position sensor 26, by motor 2 driving driving transmission wheel 4 rotation, pipe is sent into clamping cylinder 6, after pipe to position sensor 26 detects signal, clamping cylinder 6 is clamped to pipe, can ensure that each measurement position is same, by the cooperation of forward cylinder 7, first slide rail 8 and first sliding block 9, first sliding block 9 is moved to right before use, avoid interfering pipe to position sensor 26, by horizontal cylinder 12 can control second sliding block 14 moves on second slide rail 13, to adjust the position of measuring head 18, make it and pipe wall in certain relative position, by adjusting up-down adjustment module 17, can up-down adjustment measuring head 18, make up the installation error of measuring head 18 and clamping cylinder 6 in vertical direction, make that all measurement positions are over center when measuring wall thickness, when measuring, first measure the numerical value of point spectrum range finder on measuring head 18, by point spectrum range finder is measured respectively on the outer wall and inner wall of pipe, the measurement difference of point spectrum range finder is added to standard thickness, and the obtained is workpiece thickness, avoids that measuring tool and detection pipe are directly contacted.

[0023] The upper surface of two motors 2 is fixedly connected with two round slide rods 19, the outer surface of every two round slide rods 19 is slidably connected with up-down sliding block 20, the outer surface of two up-down sliding blocks 20 is fixedly connected with rotating shaft 21, the outer surface of two rotating shafts 21 is fixedly connected with bearing 22, the outer ring of two bearings 22 is fixedly connected with press wheel 23, by the cooperation of round slide rod 19, up-down sliding block 20, rotating shaft 21, bearing 22 and press wheel 23, certain pressure is given to detection pipe to a certain extent, avoid that driving transmission wheel 4 and detection pipe occur skidding phenomenon.

[0024] The outer surface of every two round smooth rods 19 is slidably connected with an anti-collision spring plate 3, the upper surface of every anti-collision spring plate 3 is fixedly connected with a buffer 27, the output end of every buffer 27 penetrates every anti-collision spring plate 3 and extends to the bottom surface of every anti-collision spring plate 3, the upper surface of the base 1 is fixedly connected with two first triangular plates 24 together with the left side surface of the support plate 5, and the outer surface of the second connecting plate 16 is fixedly connected with a second triangular plate 25, the anti-collision spring plate 3 and the buffer 27 are arranged to avoid collision and damage when the upper and lower sliders 20 move upward, the first triangular plate 24 is arranged to support the support plate 5 and prevent the support plate 5 from tilting, and the second triangular plate 25 is arranged to provide tension to the second connecting plate 16 and prevent the second connecting plate 16 from bending.

[0025] The working principle of the utility model is:

[0026] When using the device, the forward air cylinder 7 is moved to the right, the detection tube is placed between the driving transmission wheel 4 and the pressing wheel 23, the motor 2 is started to drive the driving transmission wheel 4 to rotate, the detection tube is sent into the clamping cylinder 6, the pipe in place sensor 26 stops feeding after detecting the signal, the forward air cylinder 7, the horizontal air cylinder 12 and the up and down adjusting module 17 are adjusted, so that the wall of the detection tube is located between the two measuring heads 18, the point spectrum range finder on the measuring head 18 measures the outer wall and the inner wall of the tube respectively, and the wall thickness of the detection tube is obtained by comparing the obtained data with the standard wall thickness tube.

[0027] For those skilled in the art, it is obvious that the utility model is not limited to the details of the above-mentioned exemplary embodiments, and can be realized in other specific forms without departing from the spirit or basic characteristics of the utility model. Therefore, from any point of view, the embodiments should be regarded as exemplary and non-limiting, the scope of the utility model is defined by the appended claims rather than the above description, and therefore all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the utility model. Any reference signs in the claims should not be regarded as limiting the claims involved.

[0028] In addition, it should be understood that, although the present specification is described in terms of embodiments, not every embodiment contains only one independent technical solution, and the description manner of the specification is only for the sake of clarity, those skilled in the art should regard the specification as a whole, and the technical solutions in each embodiment can also be properly combined to form other embodiments that those skilled in the art can understand.

Claims

1. A pipe wall thickness measuring apparatus, characterized by: The utility model relates to a kind of automatic pipe cutting machine, including base (1), the upper surface of the base (1) is fixedly connected with two motors (2), the output of two the motor (2) is fixedly connected with driving transmission wheel (4), the upper surface of the base (1) is fixedly connected with support plate (5), the right side of the support plate (5) is fixedly connected with clamping air cylinder (6), the upper surface of the base (1) is fixedly installed with forward air cylinder (7), the upper surface of the forward air cylinder (7) is fixedly connected with first slide rail (8), the outer surface of the first slide rail (8) is slidably connected with first sliding block (9), the upper surface of the first sliding block (9) is fixedly connected with first connecting plate (10), the inner side wall of the first connecting plate (10) is connected with the output of forward air cylinder (7), the upper surface of the first connecting plate (10) is fixedly connected with first backshaped connecting plate (11), the outer surface of the first backshaped connecting plate (11) is fixedly installed with horizontal air cylinder (12), the inner bottom wall of the first backshaped connecting plate (11) is fixedly connected with second slide rail (13), the outer surface of the second slide rail (13) is slidably connected with second sliding block (14), the output of the horizontal air cylinder (12) is connected with the outer surface of the second sliding block (14), the upper surface of the second sliding block (14) is fixedly connected with second backshaped connecting plate (15), the upper surface of the second backshaped connecting plate (15) is fixedly connected with second connecting plate (16), the left side of the second connecting plate (16) is fixedly connected with up-down adjustment module (17), the inner wall of the up-down adjustment module (17) is clamped with two measuring heads (18), the upper surface of the base (1) is fixedly connected with pipe to position sensor (26).

2. A pipe wall thickness measuring apparatus according to claim 1, characterized in that: The upper surface of two the motor (2) is fixedly connected with two round slide rods (19), and the outer surface of every two round slide rods (19) is slidably connected with up-down sliding block (20).

3. A pipe wall thickness measuring apparatus according to claim 2, wherein: The outer surface of two the up-down sliding block (20) is fixedly connected with rotating shaft (21), the outer surface of two the rotating shaft (21) is fixedly connected with bearing (22), and the outer ring of two the bearing (22) is fixedly connected with press wheel (23).

4. A pipe wall thickness measuring apparatus according to claim 2, wherein: The outer surface of every two the round slide rods (19) is slidably connected with anti-collision spring plate (3), and the upper surface of every the anti-collision spring plate (3) is fixedly connected with bumper (27).

5. A pipe wall thickness measuring apparatus according to claim 4, wherein: The output of every the bumper (27) penetrates every anti-collision spring plate (3) and extends to the bottom surface of every anti-collision spring plate (3).

6. A pipe wall thickness measuring apparatus according to claim 1, wherein: The upper surface of the base (1) and the left side of the support plate (5) are fixedly connected with two first triangular plates (24) in common, and the outer surface of the second connecting plate (16) is fixedly connected with second triangular plate (25).

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