Pipeline wall thickness measuring instrument
By integrating pipe wall thickness measuring instruments with multiple anvil types, the problem of poor adaptability of existing instruments has been solved, enabling rapid replacement and stable measurement, and improving ease of use.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-25
- Publication Date
- 2026-03-20
AI Technical Summary
Existing pipe wall thickness measuring instruments have poor adaptability and cannot quickly switch measurement types according to actual needs.
A pipe wall thickness measuring instrument was designed, which integrates cylindrical head, waist drum type, round head type and flat head type anvils. Through the sliding groove and storage box structure, the function of quick replacement and fixed anvils can be realized.
This improves the adaptability and ease of use of the device, allowing for quick replacement of the measuring anvil according to actual needs, ensuring the stability and convenience of measurement.
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Figure CN224018964U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to pipeline detection equipment technical field, specifically a pipeline wall thickness measuring instrument. BACKGROUND
[0002] As the component part of ensuring the security and reliability of various delivery medium, the pipeline wall thickness has important influence on the pressure capacity of pipeline, and the wall thickness may be thinned due to corrosion and other reasons in the long-term use process, and further threatens the stable operation of the whole system.
[0003] The common pipeline wall thickness measuring instrument on market can be divided into cylindrical head type, double round head type, waist drum type and single round head type according to the type of fixed anvil on wall thickness measuring instrument, when the pipeline wall thickness is measured, different types of wall thickness measuring instruments need to be selected according to actual use demand, so that the traditional wall thickness measuring instrument has the problem of poor adaptability, and technical innovation is carried out on the basis of the existing pipeline wall thickness measuring instrument for the above situation. UTILITY MODEL CONTENT
[0004] The utility model aims at providing a pipeline wall thickness measuring instrument to solve the problems in the above background.
[0005] To achieve the above object, the utility model provides the following technical scheme: a pipeline wall thickness measuring instrument, comprising:
[0006] The shell is provided with a chute on the left side, a storage box is arranged in the chute, a handle is arranged on the left side of the storage box, four groups of storage grooves are uniformly arranged on the top of the storage box, a second square column is arranged in the storage groove, an annular groove is arranged on the bottom of the second square column, a second spring is arranged in the annular groove, the second spring is fixedly arranged on the bottom of the storage groove, a fixed anvil is arranged on the top of the second square column, the four groups of fixed anvils are respectively cylindrical head type anvil, waist drum type anvil, round head type anvil and flat head type anvil from left to right, an avoiding hole is arranged on the top left side of the shell, the avoiding hole corresponds to the fixed anvil, a differential rotating drum is rotatably arranged on the top right side of the shell through a support, and a round head micrometer screw rod is screwed on the left side of the differential rotating drum.
[0007] Preferably, a first square hole is arranged on the bottom of the storage groove of the storage box, a second square hole is arranged on the bottom of the shell, a pressing plate is arranged on the bottom of the shell, a first spring and a first square column are arranged on the top of the pressing plate, the first spring is arranged on the outer ring of the first square column and is fixedly arranged on the bottom of the shell, the top of the first square column is arranged in the second square hole and corresponds to the first square hole.
[0008] Preferably, positioning holes are evenly arranged on the front and back sides of the storage box, the positioning holes correspond to the storage grooves, and a group of mounting holes are formed in the inner side walls of the sliding grooves.
[0009] Preferably, a third spring is arranged in the mounting hole, and a round head bolt is arranged on the outer side wall of the third spring and inserted into the positioning hole.
[0010] Preferably, a group of first threaded holes are formed in the front and back sides of the second square column, a group of second threaded holes are formed in the front and back sides of the shell, and third threaded holes are evenly arranged on the front and back sides of the storage box.
[0011] Preferably, a hand screw bolt is screwed into the second threaded hole, the hand screw bolt is aligned with the third threaded hole, and corresponds to the first threaded hole.
[0012] Compared with the prior art, the utility model has the advantages that:
[0013] The utility model discloses, can according to actual measurement demand, by pulling handle make the fixed measuring anvil of different types in storage box and the avoidance hole alignment, then push the pressing plate upwards, can drive the fixed measuring anvil of needing using to move upwards and remove the shell to carry out the measurement work, to this make the device can according to actual measurement demand and carry out the quick function change, thereby greatly improve the adaptability of device.
[0014] When the measurement is completed, the pressing plate is loosened, the first spring can drive the first square column and the pressing plate to automatically move downwards and reset by using the elastic force of itself, then the hand screw bolt is separated from the second square column and the storage box, the second spring can drive the second square column and the fixed measuring anvil to automatically move downwards and reset by using the elastic force of itself, so that the use convenience of the device is improved. BRIEF DESCRIPTION OF DRAWINGS
[0015] Figure 1 It is a structure schematic view of the pipeline wall thickness measuring instrument of the utility model;
[0016] Figure 2 It is a front face partial sectional view of the pipeline wall thickness measuring instrument of the utility model;
[0017] Figure 3 It is a first top sectional view of the pipeline wall thickness measuring instrument of the utility model;
[0018] Figure 4 It is a second top sectional view of the pipeline wall thickness measuring instrument of the utility model;
[0019] Figure 5 It is a right side sectional view of the pipeline wall thickness measuring instrument of the utility model.
[0020] In the figure: 1, the shell; 11, hand bolt; 12, storage box; 13, handle; 14, the first square column; 15, the first spring; 16, the pressing plate; 17, the differential rotating drum; 18, the round head micrometer screw; 2, the second square column; 21, the second spring; 22, the fixed anvil; 23, the third spring; 24, round head bolt. DETAILED DESCRIPTION
[0021] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.
[0022] Please refer to Figures 1-5A pipeline wall thickness measuring instrument, including a shell 1, the left side of the shell 1 is provided with a sliding groove, the sliding groove is slidably provided with a storage box 12, the left side of the storage box 12 is fixedly provided with a handle 13, the top of the storage box 12 is uniformly provided with four groups of storage grooves, the second square column 2 is slidably provided in the storage groove, the bottom of the second square column 2 is provided with an annular groove, the second spring 21 is fixedly provided in the annular groove, the second spring 21 is fixedly provided at the bottom of the storage groove, the top of the second square column 2 is fixedly provided with a fixed anvil 22, the four groups of fixed anvils 22 from left to right are cylindrical head type anvil, waist drum type anvil, round head type anvil and flat head type anvil, a group of avoiding holes are provided on the top left side of the shell 1, the avoiding holes correspond to the fixed anvils 22, the micro differential rotating drum 17 is rotatably provided on the top right side of the shell 1 through the support, the round head micrometer screw 18 is screwed on the left side of the micro differential rotating drum 17, the first square hole is provided on the bottom of the storage groove of the storage box 12, the second square hole is provided on the bottom of the shell 1, the pressing plate 16 is placed on the bottom of the shell 1, the first spring 15 and the first square column 14 are fixedly provided on the top of the pressing plate 16, the first spring 15 is located on the outer circle of the first square column 14 and is fixedly provided on the bottom of the shell 1, the top of the first square column 14 is slidably provided in the second square hole and corresponds to the first square hole, the pressing plate 16 is pushed upward to drive the first square column 14 to move upward through the second square hole and the first square hole, and the second square column 2 can be moved upward, so as to drive the fixed anvils 22 on the top of the second square column 2 to move upward through the avoiding holes and above the shell 1, the positioning holes are uniformly provided on the front and back sides of the storage box 12, the positioning holes correspond to the storage grooves, the mounting holes are provided on the inner side walls of the sliding groove, the third spring 23 is fixedly provided in the mounting hole, the round head latch 24 is fixedly provided on the outer side wall of the third spring 23, the round head part of the round head latch 24 is inserted into the positioning hole, the round head latch 24 is inserted into the positioning hole by the third spring 23, so as to position the storage box 12, the first threaded holes are provided on the front and back sides of the second square column 2, the second threaded holes are provided on the front and back sides of the shell 1, the third threaded holes are uniformly provided on the front and back sides of the storage box 12, the hand screw bolt 11 is screwed in the second threaded hole, the hand screw bolt 11 is aligned with the third threaded hole and corresponds to the first threaded hole.
[0023] Working principle: by pulling the handle 13 to move the storage box 12 to the left, when the round head bolt 24 is aligned with the positioning hole of the storage box 12, the third spring 23 drives the round head bolt 24 to insert into the positioning hole, so as to position the storage box 12, then push the pressing plate 16 upward to drive the first square column 14 to move upward through the second square hole and the first square hole, and can move upward against the second square column 2, so as to drive the fixed anvil 22 at the top of the second square column 2 to move upward through the avoiding hole to the upper side of the shell 1, at this time, the first threaded hole outside the second square column 2 will be aligned with the third threaded hole and the second threaded hole, after the hand screw bolt 11 is screwed into the third threaded hole and the first threaded hole through the second threaded hole, the position of the storage box 12 and the second square column 2 can be fixed, so as to ensure the stability of the device when measuring the wall thickness, at this time, the pressing plate 16 is loosened, the first spring 15 is used to drive the first square column 14 to move downward to reset through the pressing plate 16, then the fixed anvil 22 is attached to the inside of the pipe, the round head micrometer screw rod 18 is attached to the outside of the pipe by rotating the differential rotating cylinder 17, the wall thickness measurement can be completed by reading the corresponding numbers on the differential rotating cylinder 17, the differential rotating cylinder 17 and the round head micrometer screw rod 18 are the main components of the traditional pipe wall thickness measuring instrument, and their working principles are not described here.
[0024] When the measurement is completed, the device is separated from the pipe, then the hand screw bolt 11 is separated from the second square column 2 and the storage box 12, and the second spring 21 drives the second square column 2 and the fixed anvil 22 to move downward to reset by using the elastic force of itself.
Claims
1. A pipe wall thickness measuring instrument, characterized in that, include: The outer shell (1) has a sliding groove on its left side, and a storage box (12) is provided in the sliding groove. A handle (13) is provided on the left side of the storage box (12). Four sets of storage slots are evenly provided on the top of the storage box (12). A second square post (2) is provided in each storage slot. An annular groove is provided at the bottom of the second square post (2). A second spring (21) is provided in the annular groove. The second spring (21) is fixedly provided at the bottom of the storage slot. The top of the two square column (2) is provided with a fixed anvil (22). The four sets of fixed anvils (22) are, from left to right, a cylindrical anvil, a waist drum anvil, a round anvil, and a flat anvil. A set of clearance holes is provided through the top left side of the outer shell (1). The clearance holes correspond to the fixed anvils (22). A micrometer cylinder (17) is rotatably provided on the top right side of the outer shell (1) through a bracket. A round-headed micrometer screw (18) is screwed to the left side of the micrometer cylinder (17).
2. The pipe wall thickness measuring instrument according to claim 1, characterized in that: The storage box (12) has a first square hole through the bottom of the storage slot, and the outer shell (1) has a second square hole through the bottom. A pressure plate (16) is placed at the bottom of the outer shell (1). A first spring (15) and a first square post (14) are provided on the top of the pressure plate (16). The first spring (15) is located on the outer ring of the first square post (14) and is fixedly set at the bottom of the outer shell (1). The top of the first square post (14) is set in the second square hole and corresponds to the first square hole.
3. The pipe wall thickness measuring instrument according to claim 1, characterized in that: The storage box (12) has positioning holes evenly provided on its front and rear sides, and the positioning holes correspond to the storage groove. The inner sidewall of the sliding groove has a set of mounting holes on both the front and rear sides.
4. The pipe wall thickness measuring instrument according to claim 3, characterized in that: A third spring (23) is provided in the mounting hole, and a round-headed pin (24) is provided on the outer side wall of the third spring (23). The round head of the round-headed pin (24) is inserted into the positioning hole.
5. A pipe wall thickness measuring instrument according to claim 1, characterized in that: The second square column (2) has a set of first threaded holes on both the front and rear sides, the outer shell (1) has a set of second threaded holes on both the front and rear sides, and the storage box (12) has a set of third threaded holes evenly distributed on both the front and rear sides.
6. A pipe wall thickness measuring instrument according to claim 5, characterized in that: A hand-tightening bolt (11) is screwed into the second threaded hole. The hand-tightening bolt (11) is aligned with the third threaded hole and corresponds to the first threaded hole.