CN214747674U - Pipeline internal and external diameter measuring device - Google Patents
Pipeline internal and external diameter measuring device Download PDFInfo
- Publication number
- CN214747674U CN214747674U CN202021550315.0U CN202021550315U CN214747674U CN 214747674 U CN214747674 U CN 214747674U CN 202021550315 U CN202021550315 U CN 202021550315U CN 214747674 U CN214747674 U CN 214747674U
- Authority
- CN
- China
- Prior art keywords
- positioning
- measuring
- diameter measuring
- spring
- scale
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- A Measuring Device Byusing Mechanical Method (AREA)
Abstract
The utility model discloses a pipeline inner and outer diameter measuring device, which comprises a positioning disk, wherein a measuring mechanism is arranged on the positioning disk, and a positioning mechanism is arranged on the periphery of the positioning disk; the positioning mechanism comprises a positioning rod, a spring and a positioning block; one end of the positioning rod penetrates through the positioning disc and is connected with the fixing bolt, and the other end of the positioning rod is connected with the positioning block; the spring is sleeved on the positioning rod, one end of the spring props against the peripheral side face of the positioning disc, and the other end of the spring is in contact with the side face of the positioning block; the measuring mechanism comprises a measuring frame, an inner diameter measuring scale and an outer diameter measuring scale; the measuring frame is arranged on the positioning disc; the measuring machine is provided with a mounting groove; the inner diameter measuring scale and the outer diameter measuring scale are arranged in the mounting hole in a penetrating mode. The positioning disc and the positioning mechanism automatically position the circle center, and all the parts can be disassembled to achieve the purposes of accurate positioning, convenient reading and convenient carrying.
Description
Technical Field
The utility model relates to a measuring tool technical field specifically is a pipeline internal and external diameter measuring device.
Background
The pipeline is generally used for conveying some liquid or gas, because there is the motion each other between the medium in the pipeline and the pipeline inner wall, will cause wearing and tearing to the inner wall of pipeline along with the lapse of time, the pipeline outside also can lead to partial wearing and tearing because of solarization and rain or other factors, after the internal surface or the surface wearing and tearing of pipeline reach certain degree, the pipeline will break very easily, can not reach the requirement of use, so outside diameter and the internal diameter of inspection pipeline need regularly, the method commonly used at present is to inspect with micrometer and slide caliper, can not accurate location centre of a circle during the measurement, measured size is also inaccurate, there is certain degree of difficulty in the internal diameter measurement.
SUMMERY OF THE UTILITY MODEL
The utility model provides a to prior art not enough, the utility model provides an external diameter measurement device in pipeline to solve the not high and inconvenient technical problem of operation of inside and outside diameter measurement accuracy of pipeline.
In order to achieve the above purpose, the utility model discloses a following technical scheme realizes:
the utility model provides a pipeline internal and external diameter measuring device which characterized in that: the device comprises a positioning disc, wherein a measuring mechanism is arranged on the positioning disc, and a positioning mechanism is arranged on the periphery of the positioning disc; the positioning mechanism comprises a positioning rod, a spring and a positioning block; one end of the positioning rod penetrates through the positioning disc and is connected with the fixing bolt, and the other end of the positioning rod is connected with the positioning block; the spring is sleeved on the positioning rod, one end of the spring props against the peripheral side face of the positioning disc, and the other end of the spring is in contact with the side face of the positioning block; the measuring mechanism comprises a measuring frame, an inner diameter measuring scale and an outer diameter measuring scale; the measuring frame is arranged on the positioning disc; the measuring frame is provided with a mounting groove; the internal diameter measuring scale and the external diameter measuring scale are arranged in the mounting groove in a penetrating mode.
As the utility model discloses a preferred technical scheme, positioning mechanism sets up three groups, three groups positioning mechanism equidistant setting is in on the periphery side of positioning disk.
As the utility model discloses a preferred technical scheme, the side of mounting groove is provided with fastening bolt.
As an optimal technical scheme of the utility model, the side of internal diameter measurement chi is provided with the slide rail, the spout has been seted up to the side of external diameter measurement chi, the slide rail sets up in the spout.
As the utility model discloses a preferred technical scheme, the one end of internal diameter measurement chi is the closed angle shape.
As an optimal technical scheme of the utility model, the internal diameter measurement chi with all be provided with the scale mark on the external diameter measurement chi.
As the utility model discloses a preferred technical scheme, the both sides of measuring rack are provided with the supplementary piece of reading respectively.
As the utility model discloses a preferred technical scheme, the one end of supplementary piece of reading is the closed angle shape.
The utility model provides an external diameter measurement device in pipeline possesses following beneficial effect:
compare with current slide caliper and micrometer measurement, the cover is equipped with the spring on the locating lever, the one end of spring supports the locating piece, the other end withstands the all side of positioning disk, because the spring has the elasticity, consequently can be according to the size of the big small adjustment positioning mechanism of pipeline, the positioning tube centre of a circle that positioning mechanism can be accurate on the positioning disk, it is more accurate when measuring pipeline internal diameter and external diameter, the size adjustment when convenient the measurement in the mounting groove of wearing to establish on the measuring rack of internal diameter measurement chi and external diameter measurement chi activity, be provided with fastening screw on the measuring groove and support the convenient reading of internal diameter measurement chi, positioning mechanism and measuring mechanism all can dismantle through the bolt fastening, and the convenience for carrying.
Drawings
Fig. 1 is a schematic perspective view of a device for measuring the inner and outer diameters of a pipeline according to the present invention;
fig. 2 is a schematic top view of the measuring device for inner and outer diameters of a pipeline according to the present invention;
FIG. 3 is a schematic cross-sectional view taken along the line A-A in FIG. 2;
fig. 4 is an exploded schematic view of the measuring device for inner and outer diameters of a pipeline according to the present invention;
FIG. 5 is a schematic view of the left side view structure of the measuring device for inner and outer diameters of a pipeline of the present invention
In the figure: 101. a measuring frame; 102. an outer diameter measuring scale; 103. a spring; 104. positioning blocks; 105. positioning a plate; 106. fastening a bolt; 107. an inner diameter measuring scale; 108. positioning a rod; 109. fixing the bolt; 110. mounting grooves; 111. a chute; 112. a slide rail; 113. a reading auxiliary block; 10. and a measuring mechanism.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
Referring to fig. 1 to 3, the present invention provides a technical solution, a device for measuring inner and outer diameters of a pipeline, which is characterized in that: the device comprises a positioning disc 105, wherein a measuring mechanism 10 is arranged on the positioning disc 105, and a positioning mechanism is arranged on the periphery of the positioning disc 105; the positioning mechanism comprises a positioning rod 108, a spring 103 and a positioning block 104; one end of the positioning rod 108 is inserted into the positioning disc 105 and connected with a fixing bolt 109, and the other end is connected with the positioning block 104; the spring 103 is sleeved on the positioning rod (108), one end of the spring 103 props against the peripheral side face of the positioning disc 105, and the other end of the spring is contacted with the side face of the positioning block 104; the measuring mechanism 10 comprises a measuring frame 101, an inner diameter measuring scale 107 and an outer diameter measuring scale 102; the measuring stand 101 is arranged on the positioning plate 105; the measuring frame 101 is provided with a mounting groove 110; the inner diameter measuring scale 107 and the outer diameter measuring scale 102 are arranged in the mounting groove 110 in a penetrating manner.
The positioning disc 105 is placed in the pipe to be measured, the positioning disc 105 and the positioning mechanism contact the positioning block 104 to determine the center of the pipe to be measured, the relative pressure between the positioning rod 108 and the spring 103 on the positioning mechanism can be adjusted to perform measurement when the pipe to be measured is different in size, in order to prevent the positioning rod 108 from falling off the positioning disc 105, the positioning rod 108 penetrates one end of the positioning disc 105 and is connected with the fixing bolt 109, the positioning disc 105 is provided with the measuring frame 101, the mounting groove 110 on the measuring frame 101 is used for mounting the inner diameter measuring scale 107 and the outer diameter measuring scale 102, and the inner diameter measuring scale 107 and the outer diameter measuring scale 102 can perform sliding measurement in the mounting groove to measure the inner diameter and the outer diameter of the pipe to be measured.
Specifically, as shown in fig. 1, 2, and 4, the positioning mechanisms are provided with three groups, three groups of positioning mechanisms are equidistantly arranged on the peripheral side surface of the positioning plate 105, and the three groups of same positioning mechanisms are mutually matched, so that the positioning is more accurate.
Specifically, as shown in fig. 1, fig. 2, fig. 4, and fig. 5, a threaded hole is formed in one side surface of the mounting groove 110 for mounting the fastening bolt 106, a nominal diameter, a pitch, and a rotation direction of the threaded hole are all the same as a nominal diameter, a pitch, and a rotation direction of the fastening bolt 106, and when measuring the inner and outer diameters of the pipeline, the fastening bolt 106 is tightened to prevent errors from being generated during reading.
Specifically, as shown in fig. 4 and 5, the slide rail 112 and the slide groove 111 are respectively disposed on one end surface of the inner diameter measuring scale 107, which is in contact with the outer diameter measuring scale 102, and the surface roughness of the slide rail 111 and the surface roughness of the slide groove 112 are 0.5 μm, so that the slide groove 112 and the slide rail 111 are not easily worn when sliding with each other.
Specifically, as shown in fig. 1 and 4, one end of the inside diameter measuring ruler 107 is in a sharp-angled shape, the coincidence degree of the sharp top and the center line of the positioning disc 105 is ± 0.015mm, the lower end face of one end of the outside diameter measuring ruler 102 also has a triangular block, the coincidence degree of the sharp top of the triangular block and the center line of the positioning disc 105 is ± 0.015mm, during measurement, the inside diameter measuring ruler 107 and the outside diameter measuring ruler 102 are in line contact with the measured pipeline, so that the measuring error of the outside diameter measuring ruler 102 and the inside diameter measuring ruler 107 is reduced.
Specifically, as shown in fig. 1, 2, 4, and 5, scale marks are provided on one side surfaces of the inner diameter measuring scale 107 and the outer diameter measuring scale 102, so that the size of the measured pipeline can be directly seen.
Specifically, as shown in fig. 1 and fig. 2, two reading auxiliary blocks 113 are respectively arranged on two side surfaces of the measuring rack 101, one end of each reading auxiliary block 113 is designed to be a sharp corner, and the sharp corner of the reading auxiliary block 113 on one side of the measuring rack 101 points to a scale mark on the inner diameter measuring scale 107; the sharp-angled end of the reading auxiliary block 113 on the other side of the measuring frame 101 points to the scale mark on the outer diameter measuring scale 102 to guide the reading, so that the reading is more convenient and accurate.
The utility model is suitable for the pipelines with different sizes, when in use, the positioning disc 105 is placed in the pipeline to be measured, the positioning block 104 on the positioning mechanism is contacted with the inner wall of the pipeline to be measured, the positioning mechanism finds the center of the pipeline automatically, the relative pressure between the positioning rod 108 on the positioning mechanism and the spring 103 can be adjusted under the condition that the pipeline to be measured is different in size to carry out positioning, after the positioning is finished, the inner diameter measuring scale 107 and the outer diameter measuring scale 102 which are arranged in the mounting groove 110 only need to be moved, the sharp angle thereof is contacted with the inner wall and the outer wall of the pipeline to be measured, the inner diameter and the outer diameter of the pipeline to be measured can be measured, when in reading, the fastening bolt 106 can be screwed, one end face of the fastening bolt 106 is propped against the inner diameter measuring scale 107, thus, the error can be prevented from being produced when in reading, two side faces of the measuring frame are respectively provided with the reading auxiliary blocks 113, the sharp corners of the measuring device are attached to the scale marks of the inner diameter measuring scale 107 and the outer diameter measuring scale 102, so that the reading is guided and convenient.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (8)
1. The utility model provides a pipeline internal and external diameter measuring device which characterized in that: the device comprises a positioning disc (105), wherein a measuring mechanism (10) is arranged on the positioning disc (105), and a positioning mechanism is arranged on the periphery of the positioning disc (105); the positioning mechanism comprises a positioning rod (108), a spring (103) and a positioning block (104); one end of the positioning rod (108) penetrates through the positioning disc (105) and is connected with a fixing bolt (109), and the other end of the positioning rod is connected with the positioning block (104); the spring (103) is sleeved on the positioning rod (108), one end of the spring (103) props against the peripheral side face of the positioning disc (105), and the other end of the spring is in contact with the side face of the positioning block (104); the measuring mechanism (10) comprises a measuring frame (101), an inner diameter measuring scale (107) and an outer diameter measuring scale (102); the measuring stand (101) is arranged on the positioning plate (105); the measuring frame (101) is provided with a mounting groove (110); the inner diameter measuring scale (107) and the outer diameter measuring scale (102) are arranged in the mounting groove (110) in a penetrating mode.
2. The apparatus for measuring the inner and outer diameters of a pipe according to claim 1, wherein: the positioning mechanisms are arranged in three groups, and the three groups of positioning mechanisms are arranged on the peripheral side face of the positioning disc (105) at equal intervals.
3. The apparatus for measuring the inner and outer diameters of a pipe according to claim 1, wherein: and fastening bolts (106) are arranged on the side surfaces of the mounting grooves (110).
4. The apparatus for measuring the inner and outer diameters of a pipe according to claim 1, wherein: the side of internal diameter measurement chi (107) is provided with slide rail (112), spout (111) have been seted up to the side of external diameter measurement chi (102), slide rail (112) set up in spout (111).
5. The apparatus of claim 4, wherein: one end of the inner diameter measuring scale (107) is in a sharp-angled shape.
6. The apparatus for measuring the inner and outer diameters of a pipe according to claim 1, wherein: and the inner diameter measuring scale (107) and the outer diameter measuring scale (102) are both provided with scale marks.
7. The apparatus for measuring the inner and outer diameters of a pipe according to claim 1, wherein: and reading auxiliary blocks (113) are respectively arranged on two sides of the measuring frame (101).
8. The apparatus of claim 7, wherein: one end of the reading auxiliary block (113) is in a sharp angle shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021550315.0U CN214747674U (en) | 2020-07-30 | 2020-07-30 | Pipeline internal and external diameter measuring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021550315.0U CN214747674U (en) | 2020-07-30 | 2020-07-30 | Pipeline internal and external diameter measuring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214747674U true CN214747674U (en) | 2021-11-16 |
Family
ID=78573710
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021550315.0U Active CN214747674U (en) | 2020-07-30 | 2020-07-30 | Pipeline internal and external diameter measuring device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214747674U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115031605A (en) * | 2022-05-17 | 2022-09-09 | 中国建筑第二工程局有限公司 | Multi-contact measuring pipeline inner and outer diameter device |
-
2020
- 2020-07-30 CN CN202021550315.0U patent/CN214747674U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115031605A (en) * | 2022-05-17 | 2022-09-09 | 中国建筑第二工程局有限公司 | Multi-contact measuring pipeline inner and outer diameter device |
| CN115031605B (en) * | 2022-05-17 | 2024-05-28 | 中国建筑第二工程局有限公司 | Multi-contact device for measuring inner and outer diameters of pipeline |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204064194U (en) | A kind of clamp for detect aperture distance | |
| CN108844477B (en) | Portable pipeline external diameter measuring device | |
| CN214747674U (en) | Pipeline internal and external diameter measuring device | |
| CN209820370U (en) | Flange cover depth gauge | |
| CN213041141U (en) | Diameter measuring instrument | |
| CN209745191U (en) | Detection device for hole and shaft belt pin | |
| CN211346656U (en) | Tool for measuring cylindricity of outer surface of round pipe or round rod | |
| US3273249A (en) | Linear gauge | |
| CN207816163U (en) | A kind of high-precision detector measuring L-type planeness of workpiece verticality | |
| CN107063046B (en) | Composite gauge for straight-edge deep groove ball bearing ring | |
| CN108061503B (en) | Method for detecting outer diameter of conical part on length measuring instrument | |
| CN213956168U (en) | Efficient composite pipe detection device | |
| CN107607027A (en) | A kind of Universal taper detection means | |
| CN110411661B (en) | Structure and method for measuring deviation between center of gravity of turntable and center of rotating shaft | |
| CN109780964B (en) | Pulley wear detection device and detection method | |
| CN207528161U (en) | A kind of Universal taper detection device | |
| CN108317940B (en) | Device and method for detecting side lug angle of cylindrical workpiece | |
| CN207741680U (en) | A kind of spherical roller detection device | |
| CN219416048U (en) | Measuring instrument for measuring curvature of valve rod | |
| CN220660474U (en) | Geometric accuracy detection device for horizontal axis round table surface grinding machine | |
| CN206073873U (en) | A kind of internal slot diameter cubing | |
| CN209116949U (en) | A kind of curved cubing of armour cable sensor | |
| CN109458910A (en) | Outside gauge and the method for measuring Workpiece periphery circular arc outer diameter | |
| CN214842890U (en) | Comprehensive measuring device for shaft parts | |
| CN216205936U (en) | Roundness measurement auxiliary clamp |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |