Pipe outer diameter insertability detection device

Abstract

The utility model discloses a pipe outer diameter insertability detection device, which relates to the technical field of steel structure construction and comprises a frame and at least three abutting assemblies. The abutting assemblies are fixedly arranged on the inner side wall of the frame in the circumferential direction around the axis of the frame. The abutting assembly comprises a telescopic device and a rolling wheel; one end of the telescopic device is fixed on the inner side wall of the frame; the telescopic device is provided with a telescopic rod capable of stretching in the first direction. The rolling wheel is rotatably arranged at the tail end of the telescopic rod around a first axis, the first axis is coaxial with the axis of the rolling wheel, and the axis of the rolling wheel can be parallel to the axis of the to-be-detected pipe; when the telescopic rod stretches out and draws back in the first direction, the telescopic rod can drive the rolling wheel to move in the direction close to or away from the axis of the frame and keep the moved position. And the rolling wheel is in rolling contact with the outer wall of the to-be-detected pipe. The detection operation is simple and convenient, assembly and disassembly are not needed, and the detection accuracy is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of steel structure construction, in particular to a pipe outer diameter insertability detection device. Background Art

[0002] In the field of temporary steel structure construction in civil engineering, a large number of steel pipes are usually used to build steel pipe support frames to meet various needs of the construction site. This type of support is used in many scenarios and has a large demand. The installation and disassembly of this type of support is usually carried out by knocking, which leads to a large number of rust and deformation.

[0003] When the steel pipe is corroded, its external surface area and volume will increase; when the steel pipe is deformed, its structure will exceed the external design limit. Both of these situations will cause the outer dimensions of the steel pipe to deviate or change from the original design. After the change, whether the steel pipe can be inserted into the designed hole becomes the main problem to be faced. To check whether the outer diameter of the steel pipe meets the requirements and whether it can be smoothly inserted into the designed position, the current construction method is:

[0004] ① Manual observation, those with severe deformation or rust will be directly removed.

[0005] ② Use a vernier caliper to measure the outer diameter of the steel pipe and select a number of points that meet the specifications for inspection.

[0006] ③ A part of a batch of steel pipes is extracted for trial assembly. If the trial assembly is qualified, the whole batch is qualified. If the trial assembly is unqualified, the whole batch is unqualified.

[0007] However, there are problems with existing detection methods:

[0008] ① When observed by naked eyes, the human factor is large and it is difficult to judge a small error. As for insertion, there is only pass or fail. Exceeding the limit means that it cannot be inserted and cannot be used.

[0009] ② When using a vernier caliper for testing, only some steel pipes can be selected from a batch, and several points are selected on these steel pipes for measurement. The number of tests is small, the efficiency is low, and there are factors such as human errors.

[0010] ③ The method of random inspection and trial assembly has a small coverage area and can only cover a small part of the random inspection. It also requires continuous assembly and disassembly, which wastes manpower, is inefficient, and is prone to danger. Utility Model Content

[0011] The utility model aims to provide a pipe outer diameter insertability detection device to solve the problems existing in the above-mentioned prior art. The detection operation is simple and convenient, and no assembly or disassembly is required, thereby improving the detection accuracy.

[0012] To achieve the above purpose, the utility model provides the following solutions:

[0013] The utility model provides a tube outer diameter insertability detection device, comprising a frame and at least three abutment assemblies; each of the abutment assemblies is fixedly arranged on the inner side wall of the frame around the axis of the frame; the abutment assembly comprises a telescopic device and a rolling wheel; one end of the telescopic device is fixed on the inner side wall of the frame; the telescopic device has a telescopic rod that can be telescoped along a first direction; the rolling wheel is rotatably arranged at the end of the telescopic rod around a first axis, the first axis is coaxial with the axis of the rolling wheel, and the axis of the rolling wheel can be parallel to the axis of the tube to be tested; when the telescopic rod is telescoped along the first direction, the telescopic rod can drive the rolling wheel to move in a direction close to or away from the axis of the frame and maintain the position after the movement; the rolling wheel is used for rolling contact with the outer wall of the tube to be tested.

[0014] Preferably, scale lines and corresponding scale values ​​are provided on the telescopic rod.

[0015] Preferably, the frame is a square frame.

[0016] Preferably, one abutment assembly is respectively provided on each of the four inner sides of the frame, and a reinforcing connecting plate is fixedly provided on the frame between two adjacent abutment assemblies.

[0017] Preferably, the telescopic device has a telescopic channel, and a rotating gear is rotatably arranged in the telescopic channel; a rack is arranged at one end of the telescopic rod, the rack is located in the telescopic channel, and the rack is meshed with the rotating gear for transmission; an adjusting knob is arranged on the telescopic device, the adjusting knob is fixedly connected to the rotating gear, the adjusting knob is used to drive the rotating gear to rotate, and a limiting member is arranged on the telescopic device, and the limiting member is used to limit the rotation of the adjusting knob.

[0018] Preferably, the surface of the rolling wheel that contacts the tube to be tested is coated with grease.

[0019] Compared with the prior art, the utility model has achieved the following technical effects:

[0020] The tube outer diameter insertion detection device provided by the utility model adopts a frame with at least three abutment components on the inner wall. When detecting the outer diameter of the tube to be detected, the frame can be sleeved on the tube to be detected. The inner diameter formed between the rolling wheels of the abutment components is a fixed size. When the frame rotates on the tube to be detected and moves along the axial direction of the tube to be detected, if it can smoothly pass through the entire tube to be detected along the axis of the tube to be detected, the detection is passed; if it is stuck, the corresponding position indicates that the tube outer diameter insertion detection is unqualified; there are two operating modes. First, when the tube to be detected is in a vertical posture, the device is sleeved on the tube to be detected, and after providing the device with a force for circumferential rotation around the axis of the tube to be detected, the device can rotate and descend by itself based on its own weight to complete the detection; second, when the tube to be detected is in a horizontal posture, the device is sleeved on the tube to be detected, and the device rotates and moves toward the tube to be detected. The other end of the pipe can be pushed forward to complete the inspection work; the entire inspection operation is simple and convenient, which reduces the difficulty of personnel operation and can be operated without professional training, and the result is highly accurate with small human errors; no assembly or disassembly is required, which reduces manual labor and improves efficiency. One person can complete the inspection of a large number of pipes to be tested, and full coverage inspection can be easily achieved when necessary, effectively improving the inspection accuracy; the inspection operation is simple and convenient, no assembly or disassembly is required, repeated installation and disassembly is avoided, construction efficiency is greatly improved, and labor costs are saved; and the telescopic device can drive the rolling wheel to move its position, so as to be suitable for the outer wall size inspection of pipes to be tested with different diameters; multiple abutment components can maintain the coaxiality of the axis of the pipe to be tested and the axis of the frame, thereby improving the inspection accuracy; and the rolling wheel forms a rolling contact with the outer wall of the pipe to be tested, which can reduce friction and extend the service life.

[0021] Furthermore, the scale lines and corresponding scale values ​​provided on the telescopic rod can conveniently know the outer diameter of the tube to be tested that is applicable thereto.

[0022] Furthermore, a square frame is used, which is convenient for the operator to hold and apply external force to, and can conveniently display the rotational motion state.

[0023] Furthermore, strengthening the connecting plate can enhance the overall strength of the frame, ensure the stability of the dimensions set between the rolling wheels, and reduce the situation where the rolling wheels are deformed after being squeezed by the outer wall of the tube to be tested, resulting in inaccurate detection.

[0024] Furthermore, the rotating gear is driven to rotate by adjusting the knob, and the matching rack is extended and retracted, and the structure is simple and convenient for processing and manufacturing.

[0025] Furthermore, the grease coated on the rolling wheel can adhere to the outer wall of the tube to be tested when the outer diameter of the tube to be tested is tested, thereby forming an anti-corrosion measure for the outer wall of the tube, which is convenient for the protection and storage of the outer wall of the tube; and the marks formed on the outer wall of the tube can also more intuitively display the pits on the outer wall of the tube, which is convenient for the detection and display of the pits on the outer wall of the tube. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0027] Figure 1 This is a schematic diagram of the overall structure of the tube outer diameter insertability detection device provided by the utility model;

[0028] Figure 2 This is a structural schematic diagram of an abutment assembly in a tube outer diameter insertability detection device provided by the utility model;

[0029] Figure 3 A schematic diagram of the internal structure of the telescopic device in the tube outer diameter insertability detection device provided by the utility model;

[0030] Figure 4 A schematic diagram of the use of the tube outer diameter insertability detection device provided by the utility model when the tube to be tested is in a vertical posture;

[0031] Figure 5 The utility model is a schematic diagram of using two tube outer diameter insertability detection devices provided by the utility model to perform detection when the tube to be detected is in a horizontal posture.

[0032] In the figure:

[0033] 100-Tube outer diameter insertability detection device;

[0034] 10-frame; 11-reinforced connecting plate;

[0035] 20-abutment assembly; 21-telescopic device; 211-telescopic channel; 212-rotating gear; 213-rack; 214-adjusting knob; 215-limiting plate; 216-telescopic rod; 22-rolling wheel. DETAILED DESCRIPTION

[0036] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0037] The utility model aims to provide a pipe outer diameter insertability detection device to solve the problems existing in the prior art. The detection operation is simple and convenient, and no assembly or disassembly is required, thereby improving the detection accuracy.

[0038] In order to make the above-mentioned purposes, features and advantages of the present invention more obvious and easy to understand, the present invention is further described in detail below in conjunction with the accompanying drawings and specific implementation methods.

[0039] Embodiment 1

[0040] This embodiment provides a pipe outer diameter insertion detection device 100, which is mainly but not limited to the outer diameter insertion detection of steel pipes in the construction of temporary steel structures in civil engineering. Figure 1 to Figure 5 As shown, it includes a frame 10 and at least three abutment assemblies 20; each abutment assemblies 20 are fixedly arranged on the inner wall of the frame 10 circumferentially around the axis of the frame 10; the abutment assemblies 20 include a telescopic device 21 and a rolling wheel 22; one end of the telescopic device 21 is fixed on the inner wall of the frame 10; the telescopic device 21 has a telescopic rod that can be telescoped along a first direction; the rolling wheel 22 is rotatably arranged at the end of the telescopic rod around a first axis, the first axis is coaxial with the axis of the rolling wheel 22, and the axis of the rolling wheel 22 can be parallel to the axis of the tube to be tested; when the telescopic rod is telescoped along the first direction, the telescopic rod can drive the rolling wheel 22 to move in a direction close to or away from the axis of the frame 10 and maintain the position after the movement; the rolling wheel 22 is used for rolling contact with the outer wall of the tube to be tested.

[0041] By adopting a frame 10 having at least three abutment components 20 on the inner wall, when detecting the outer diameter of the tube to be tested, it can be sleeved on the tube to be tested. Based on the inner diameter formed between the rolling wheels 22 of each abutment component 20 is a fixed size, when it rotates on the tube to be tested and moves along the axial direction of the tube to be tested, if it can smoothly pass through the entire tube to be tested along the axis of the tube to be tested, the test is passed; if it is stuck, the corresponding position indicates that the tube outer diameter insertion test is unqualified; there are two operating modes, one is that the tube to be tested is in a vertical posture, the device is sleeved on the tube to be tested, and after providing the device with a force for circumferential rotation around the axis of the tube to be tested, it can rotate and descend by itself based on its own weight to complete the test; the second is that the tube to be tested is in a horizontal posture, the device is sleeved on the tube to be tested, and it can also be pushed forward while rotating and pushing the other end of the tube to be tested. Complete the inspection work; the entire inspection operation is simple and convenient, reducing the difficulty of personnel operation, and can be operated without professional training, and the result is highly accurate and the human error is small; no assembly or disassembly is required, reducing manual labor and improving efficiency. One person can complete the inspection of a large number of pipes to be tested, and full coverage inspection can be easily achieved when necessary, effectively improving the inspection accuracy; the inspection operation is simple and convenient, no assembly or disassembly is required, and repeated installation and disassembly are avoided, which greatly improves the construction efficiency and saves labor costs; and the telescopic device 21 set can drive the rolling wheel 22 to move the position, so as to be suitable for the outer wall size inspection of pipes to be tested with different diameters; multiple abutment components 20 can maintain the coaxiality of the axis of the pipe to be tested and the axis of the frame 10, thereby improving the inspection accuracy; and the rolling wheel 22 forms a rolling contact with the outer wall of the pipe to be tested, which can reduce friction and extend the service life.

[0042] Among them, the structure of the frame 10 is described as follows:

[0043] Specifically, the shape of the frame 10 can be any shape, including but not limited to the square frame mentioned below.

[0044] Among the optional solutions of this embodiment, it is more preferred that Figure 1 As shown, the frame 10 is a square frame. The square frame is convenient for the operator to hold and apply external force to it, and can conveniently display its rotating motion state.

[0045] Among the optional solutions of this embodiment, it is more preferred that Figure 1 As shown, an abutment assembly 20 is respectively provided on the four inner sides of the frame 10, and a reinforcing connecting plate 11 is fixedly provided on the frame 10 between two adjacent abutment assemblies 20. The reinforcing connecting plate 11 can enhance the overall strength of the frame 10, ensure the stability of the dimensions set between the rolling wheels 22, and reduce the situation where the rolling wheels 22 are deformed after being squeezed by the outer wall of the tube to be tested, resulting in inaccurate detection.

[0046] The structural description of the abutment assembly 20 is as follows:

[0047] Specifically, the structure of the telescopic device 21 includes but is not limited to the following structural components, and can also be any existing device that can achieve telescopic control. In addition to using mechanical means to control telescopic control, it can also be set to an electric telescopic method.

[0048] Among the optional solutions of this embodiment, it is more preferred that Figure 3 As shown, the telescopic device 21 has a telescopic channel 211, in which a rotating gear 212 is rotatably arranged; a rack 213 is arranged at one end of the telescopic rod, the rack 213 is located in the telescopic channel 211, and the rack 213 is meshed with the rotating gear 212 for transmission; an adjusting knob 214 is arranged on the telescopic device 21, and the adjusting knob 214 is fixedly connected to the rotating gear 212, and the adjusting knob 214 is used to drive the rotating gear 212 to rotate, and a limiting member is arranged on the telescopic device 21, and the limiting member is used to limit the rotation of the adjusting knob 214. The rotating gear 212 is driven to rotate by the adjusting knob 214, and the matching rack 213 is extended and retracted, and the structure is simple and convenient for processing and manufacturing.

[0049] Specifically, the limit member is any existing structure that can limit the adjusting knob 214, such as a plurality of limit grooves are provided on the circumferential side wall of the adjusting knob 214, and one end of the limit member is rotatably provided on the telescopic device 21. When the limit member is needed to limit the rotation of the adjusting knob 214, the other end of the limit member is rotated and inserted into the corresponding limit groove to achieve the limitation of its circumferential rotation.

[0050] Specifically, a limit plate 215 is fixedly provided at one end of the telescopic rod located in the telescopic channel 211 , and the limit plate 215 is used to limit the rack 213 on the telescopic rod from being disengaged from the rotating gear 212 .

[0051] In the optional solution of this embodiment, preferably, the telescopic rod is provided with scale lines and corresponding scale values. The scale lines and corresponding scale values ​​provided on the telescopic rod can conveniently know the outer diameter size of the tube to be tested that is applicable thereto.

[0052] Specifically, the scale value on each telescopic rod can be set to be the distance value between the end of the corresponding rolling wheel 22 and the central axis of the frame 10 (ie, half of the outer diameter of the tube to be measured).

[0053] Among them, regarding other related instructions:

[0054] In the optional scheme of this embodiment, it is more preferred that the surface of the rolling wheel 22 that contacts the tube to be tested is coated with grease. The grease coated on the rolling wheel 22 can adhere to the outer wall of the tube to be tested when the outer diameter of the tube to be tested is tested, forming an anti-corrosion measure for the outer wall of the tube, which is convenient for the protection and storage of the outer wall of the tube; and the traces formed on the outer wall of the tube can also more intuitively display the pits on the outer wall of the tube, which is convenient for the detection and display of the pits on the outer wall of the tube.

[0055] Specifically, when performing a pipe outer diameter insertion test on the pipe to be tested, a plurality of pipe outer diameter insertion test devices 100 of this embodiment can be mounted on the pipe to be tested. Figure 5 The number shown in the figure is two. In this case, one is used for detection and the other can be used for re-inspection to improve accuracy; or when both ends of the tube to be tested need to be tested, they are respectively used for the detection of the ends of the tube to be tested to improve detection efficiency.

[0056] The present invention uses specific examples to illustrate the principle and implementation of the present invention. The above examples are only used to help understand the method and core idea of ​​the present invention. At the same time, for those skilled in the art, according to the idea of ​​the present invention, there will be changes in the specific implementation and application scope. In summary, the content of this specification should not be understood as limiting the present invention.

Claims

1. A pipe outer diameter insertability detection device, characterized in that: comprising a frame and at least three abutment assemblies; Each of the abutment components is fixedly arranged on the inner side wall of the frame in a circumferential direction around the axis of the frame; The abutment assembly includes a telescopic device and a rolling wheel; one end of the telescopic device is fixed to the inner side wall of the frame; The telescopic device has a telescopic rod that can be telescoped along a first direction; the rolling wheel is rotatably arranged at the end of the telescopic rod around a first axis, the first axis is coaxial with the axis of the rolling wheel, and the axis of the rolling wheel can be parallel to the axis of the tube to be tested; when the telescopic rod is telescoped along the first direction, the telescopic rod can drive the rolling wheel to move in a direction close to or away from the axis of the frame and maintain the position after the movement; the rolling wheel is used to roll in contact with the outer wall of the tube to be tested.

2. The tube outer diameter insertability detection device according to claim 1, characterized in that: The telescopic rod is provided with scale lines and corresponding scale values.

3. The tube outer diameter insertability detection device according to claim 1, characterized in that: The frame is a square frame.

4. The tube outer diameter insertability detection device according to claim 3, characterized in that: One abutting assembly is respectively arranged on the four inner sides of the frame, and a reinforcing connecting plate is fixedly arranged on the frame between two adjacent abutting assemblies.

5. The tube outer diameter insertability detection device according to claim 1, characterized in that: The telescopic device has a telescopic channel, and a rotating gear is rotatably arranged in the telescopic channel; A rack is provided at one end of the telescopic rod, the rack is located in the telescopic channel, and the rack is meshed with the rotating gear for transmission; The telescopic device is provided with an adjusting knob, the adjusting knob is fixedly connected to the rotating gear, the adjusting knob is used to drive the rotating gear to rotate, and the telescopic device is provided with a limiting member, the limiting member is used to limit the rotation of the adjusting knob.

6. The tube outer diameter insertability detection device according to claim 1, characterized in that: The surface of the rolling wheel that contacts the tube to be tested is coated with grease.

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