A device for measuring the dimensions of a cast pipe socket

Abstract

The utility model provides a cast -in -place pipe socket size measuring device belongs to cast -in -place pipe detection technical field, including support rod, it is columnar structure, and its end surface vertical has set up the movable slot, movable link, its through sliding is placed in movable slot, and the end of movable link away from support rod is equipped with the conical block, still cooperate and set up the limit structure between movable link and support rod, limit structure is used for keeping the position of movable link in movable slot, makes it in the case of non - human operation movable link will not fall into movable slot, the utility model discloses can not need through micrometer to measure, only uses simple and easy telescopic tool in this application to detect cast -in -place pipe socket of different diameter, and the detection process is simple and quick, and need not operator to have higher proficiency and experience when detecting can accurately get the result.

Description

Technical Field

[0001] This utility model relates to the technical field of cast iron pipe testing equipment, specifically to a device for measuring the dimensions of a cast iron pipe socket. Background Technology

[0002] In the field of large-diameter pipe manufacturing, accurate measurement of socket dimensions for DN1100-DN2600 pipes is a crucial step in ensuring product quality. In existing technologies, socket dimensions are prone to fluctuations within the process range due to factors such as raw material characteristics, equipment stability, process execution deviations, and differences in human operator skill levels. This is especially true for large-diameter pipes, where deformation caused by their own weight further complicates dimensional control.

[0003] Traditional measurement methods rely on micrometers to inspect each pipe individually, but this method has significant drawbacks: on the one hand, frequent manual operations seriously disrupt the normal order of the production line and reduce overall production efficiency; on the other hand, the handling and measurement process of large-diameter pipes requires a lot of manpower, significantly increasing the labor intensity of workers. At the same time, the excessively long inspection time limits the pipe material passing capacity, making it difficult to meet the needs of large-scale production. Utility Model Content

[0004] In view of this, the present invention provides a device for measuring the size of cast iron pipe sockets. The present invention can measure cast iron pipe sockets of different diameters without the need for a micrometer. It can be used with the simple telescopic tool described in this application. The testing process is simple and quick. At the same time, the operator does not need to have a high level of skill and experience to obtain accurate results.

[0005] To solve the above-mentioned technical problems, this utility model provides a pipe socket size measuring device, including a support rod, which is cylindrical in shape and has a vertically opening movable groove on its end face, which is also cylindrical in shape.

[0006] The movable rod is slidably placed in the movable groove. The end of the movable rod away from the support rod is provided with a conical block. The conical part on the movable rod can abut against the inner wall surface of the cast pipe socket.

[0007] A limiting structure is also provided between the movable rod and the support rod. The limiting structure is used to keep the movable rod in the movable groove so that it will not fall into the movable groove without human operation.

[0008] The limiting structure consists of an internal thread set in the movable groove and an external thread set on the outer wall of the movable rod. The movable rod is fixed in the movable groove by the threaded engagement, and the movable rod can move up and down in the movable groove by rotating.

[0009] The outer wall of the movable rod is also marked with scale markings. The length direction of the scale markings is consistent with the length direction of the movable rod, which makes it easy to intuitively understand the inner diameter of the cast pipe socket.

[0010] The scale markings are two in number and symmetrically arranged on the outer wall of the threaded rod.

[0011] The larger end face of the tapered block is larger than the cross-section of the threaded rod, so the movable rod will not sink into the movable groove.

[0012] A tapered block is also provided on the end face of the support rod away from the movable rod, and the bottom of the support rod can accurately abut against the inner wall surface of the cast pipe socket.

[0013] A positioning rod is also provided on the end face of the support rod away from the movable rod. The positioning rod has a cylindrical structure and its axis is arranged perpendicular to the axis of the support rod. The positioning rod abuts against the inner wall of the cast pipe socket to prevent the support rod from tilting.

[0014] In summary, compared with the prior art, this application includes at least one of the following beneficial technical effects:

[0015] 1. Easy to operate, lowering the skill threshold:

[0016] The movable rod can be quickly extended and retracted through the threaded adjustment structure. With the symmetrical scale marking design, the operator only needs to rotate the movable rod until the conical block contacts the inner wall of the socket to directly read the scale value. There is no need for complicated operation procedures or high proficiency, which significantly reduces the skill requirements for operators.

[0017] 2. Detection efficiency is greatly improved:

[0018] Compared to the traditional method of inspecting each item individually with a micrometer, this device can complete the measurement with a single adjustment, eliminating the need to repeatedly move pipes and adjust the micrometer. This shortens the inspection time per item, effectively matches the pace of large-scale production, and improves overall productivity.

[0019] 3. Labor intensity is significantly reduced:

[0020] Offline testing of large-diameter pipes eliminates the need for manual handling. The device is lightweight and can perform online measurements. Operators only need to hold the device close to the socket to complete the test, significantly reducing physical exertion and improving the working environment.

[0021] 4. Dual guarantee of measurement accuracy and stability:

[0022] Conical block design: ensures precise contact with the inner wall of the socket, avoiding measurement deviations caused by insufficient contact surface;

[0023] Positioning rod assistance: The vertically arranged positioning rod abuts against the inner wall of the socket, effectively preventing the support rod from tilting and ensuring that the measuring axis is perpendicular to the cast pipe axis, thus indirectly ensuring the measurement accuracy;

[0024] Threaded locking structure: Mechanical limiting is achieved through threaded engagement, preventing unauthorized sliding of the moving rod and ensuring the repeatability of measurement results.

[0025] 5. Highly versatile and adaptable to various pipe specifications:

[0026] The adjustable range of the movable rod covers the full range of socket sizes from DN1100 to DN2600. By replacing the tapered blocks with different tapers (multiple specifications are available), it can be further extended to non-standard size inspection to meet the needs of flexible production.

[0027] 6. Minimize production disruptions:

[0028] Online measurement and design can be carried out without interrupting the production line, with short testing time, significantly reducing the waiting time for pipes to pass through the line and improving equipment utilization. Attached Figure Description

[0029] Figure 1 This is a schematic diagram of the structure of a pipe socket size measuring device according to the present invention;

[0030] Figure 2 This is a schematic diagram of the positioning rod of this utility model.

[0031] Explanation of reference numerals in the attached figures:

[0032] 1. Support rod; 2. Movable groove; 3. Movable rod; 4. Conical block; 5. Scale marking; 6. Positioning rod. Detailed Implementation

[0033] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the following will be described in conjunction with the accompanying drawings of the embodiments of this utility model. Figure 1-2 The technical solutions of the embodiments of this utility model are clearly and completely described herein. Obviously, the described embodiments are only some, not all, of the embodiments of this utility model. All other embodiments obtained by those skilled in the art based on the described embodiments of this utility model are within the protection scope of this utility model.

[0034] Example 1;

[0035] This embodiment provides a device for measuring the dimensions of cast pipe sockets, such as... Figure 1As shown: It includes a cylindrical support rod 1. One end face of the support rod 1 has a vertically oriented movable groove 2. The movable groove 2 is also cylindrical and located on the same axis as the support rod 1. A movable rod 3 is slidably arranged in the movable groove 2. The movable rod 3 is also cylindrical. A limiting structure is also provided between the movable rod 3 and the support rod 1. The limiting structure is used to fix the position of the movable rod 3 in the movable groove 2. A conical block 4 is provided at the end of the movable rod 3 away from the support rod 1 and at the end of the support rod 1 away from the movable rod 3. The conical block 4 can indirectly enable the end of the support rod 1 and the end of the movable rod 3 to abut against the extreme apex of the inner wall of the cast pipe socket, thereby measuring the diameter of the cast pipe socket.

[0036] When measuring the socket of a cast pipe, support rod 1 can be placed inside the socket, and care should be taken to prevent the support rod 1 from tilting. That is, the axis of support rod 1 should be arranged perpendicularly to the axis of the cast pipe. Then, the movable rod 3 is pulled out from the movable groove 2 until it can no longer be pulled out. At this point, the length of the movable rod 3 and support rod 1 can be determined to be the diameter of the cast pipe socket. The position of the movable rod 3 in the movable groove 2 is then fixed by the limiting structure. The support rod 1 and movable rod 3 can be taken out and their lengths measured to obtain the diameter of the cast pipe socket.

[0037] Specifically, the limiting structure is an internal thread on the inner wall of the movable groove 2, and an external thread is also provided on the outer wall of the movable rod 3. The movable rod 3 is set in the movable groove 2 through threaded engagement, that is, rotating the movable rod 3 can make the movable rod 3 move up and down in the movable groove 2, and the movable rod 3 will not fall into the movable groove 2 under non-human operation.

[0038] Furthermore, the outer wall of the movable rod 3 is also provided with scale markings 5, such as... Figure 1 As shown: The length direction of scale mark 5 is consistent with the direction of movable rod 3. By penetrating scale mark 5, the length of the diameter of the cast pipe socket can be clearly understood. (In actual use, scale mark 5 can be counted from 0. After the movable rod 3 is rotated out, the length of scale mark 5 can be added to the length of support rod 1 and the two conical blocks 4 to obtain the diameter of the cast pipe socket. Assuming that the combined length of support rod 1 and the two conical blocks 4 is 500mm, the count of scale mark 5 can start from 500. Therefore, there is no need to calculate; the diameter of the cast pipe socket can be obtained simply by observing the scale.)

[0039] Preferably, the outer wall of the movable rod 3 is provided with two scale marks 5, which are symmetrically arranged on the outer wall of the threaded rod, so that either scale mark 5 can be read after the movable rod 3 is rotated.

[0040] Example 2;

[0041] The difference from Embodiment 1 is that the tapered block 4 at the end of the support rod 1 is replaced with a cylindrical positioning rod 6, such as... Figure 2 As shown: the positioning rod 6 is placed horizontally at the end of the support rod 1, that is, the axial direction of the positioning rod 6 and the axis of the support rod 1 are arranged in an alternating manner. In use, the axis of the positioning rod 6 is arranged parallel to the axis of the cast pipe. Therefore, when inspecting the socket of the cast pipe, it is necessary to ensure that the outer surface of the positioning rod 6 is in contact with the inner wall of the socket of the cast pipe. This can prevent the support rod 1 from being skewed during measurement.

[0042] Furthermore, it should be noted that, in the description of this utility model, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "joining" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0043] The above description is the preferred embodiment of this utility model. It should be noted that for those skilled in the art, several improvements and modifications can be made without departing from the principle of this utility model, and these improvements and modifications should also be considered within the protection scope of this utility model.

Claims

1. A device for measuring the dimensions of a cast pipe socket, characterized in that, include; The support rod (1) is a columnar structure, and its end face is vertically provided with a movable groove (2); The movable rod (3) is slidably placed in the movable groove (2), and a conical block (4) is provided at the end of the movable rod (3) away from the support rod (1); A limiting structure is also provided between the movable rod (3) and the support rod (1). The limiting structure is used to keep the movable rod (3) in the movable groove (2) so that the movable rod (3) will not fall into the movable groove (2) without human operation.

2. The casting pipe socket size measuring device as described in claim 1, characterized in that, The limiting structure consists of an internal thread in the movable groove (2) and an external thread on the outer wall of the movable rod (3). The movable rod (3) is fixed in the movable groove (2) by the threaded engagement.

3. A device for measuring the dimensions of a cast pipe socket as described in claim 1 or 2, characterized in that, The movable rod (3) is also provided with a scale mark (5) on its outer wall surface, and the length direction of the scale mark (5) is consistent with the length direction of the movable rod (3).

4. The casting pipe socket size measuring device as described in claim 3, characterized in that, The scale markings (5) are two in number and symmetrically arranged on the outer wall of the threaded rod.

5. A device for measuring the dimensions of a cast pipe socket as described in claim 1 or 2, characterized in that, The larger end face of the conical block (4) is larger than the cross-section of the threaded rod.

6. A device for measuring the dimensions of a cast pipe socket as described in claim 1 or 2, characterized in that, A conical block (4) is also provided on the end face of the support rod (1) away from the movable rod (3).

7. A device for measuring the dimensions of a cast pipe socket as described in claim 1 or 2, characterized in that, The support rod (1) is also provided with a positioning rod (6) on the end face away from the movable rod (3). The positioning rod (6) is a cylindrical structure, and the axis of the positioning rod (6) is arranged perpendicular to the axis of the support rod (1).

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