CN113916099B - A extensibility centre gripping measuring device for pipeline diameter measurement - Google Patents
A extensibility centre gripping measuring device for pipeline diameter measurement Download PDFInfo
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- CN113916099B CN113916099B CN202111125007.2A CN202111125007A CN113916099B CN 113916099 B CN113916099 B CN 113916099B CN 202111125007 A CN202111125007 A CN 202111125007A CN 113916099 B CN113916099 B CN 113916099B
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- 238000005259 measurement Methods 0.000 title claims abstract description 16
- 230000008859 change Effects 0.000 claims abstract description 4
- 210000001503 joint Anatomy 0.000 claims description 34
- 238000003825 pressing Methods 0.000 claims description 11
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 4
- 235000017491 Bambusa tulda Nutrition 0.000 description 4
- 241001330002 Bambuseae Species 0.000 description 4
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 4
- 239000011425 bamboo Substances 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000284 extract Substances 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B5/00—Measuring arrangements characterised by the use of mechanical techniques
- G01B5/08—Measuring arrangements characterised by the use of mechanical techniques for measuring diameters
- G01B5/12—Measuring arrangements characterised by the use of mechanical techniques for measuring diameters internal diameters
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- A Measuring Device Byusing Mechanical Method (AREA)
Abstract
The invention relates to the technical field of pipeline diameter measurement, in particular to an extensibility clamping measurement device for pipeline diameter measurement, which comprises a measurement rod, wherein the measurement rod is in a cylindrical structure, four placement grooves are symmetrically formed in the outer circumferential surface of the center of the measurement rod, four sliding grooves are symmetrically formed in two sides of the placement groove of the measurement rod, the device controls four contact heads to extend outwards simultaneously and then contact the inner wall of a pipeline, a pull rope is driven by one side of the contact heads to drag a square rod to drive the position of an indicator needle in a scale drum to change, and then the indicator needle is pulled out and read.
Description
Technical Field
The invention relates to the technical field of pipeline diameter detection, in particular to an extensibility clamping measuring device for pipeline diameter measurement.
Background
The pipeline is a common product from large to industrial machinery in life to small to daily department stores, wherein the application materials of the industrial pipeline are various, so different pipeline manufacturers are required to produce the pipeline, the pipeline is required to carry out sampling inspection on the produced pipeline in the production process, whether various indexes of the pipeline are qualified or not is detected, the actual diameter of the pipeline is included, when the inner diameter of the large-sized pipeline is measured in the prior art, the inner diameter of the large-sized pipeline is inconvenient to measure due to the fact that the inner part is arc-shaped, and a measuring tool cannot be adjusted according to the diameter of the pipeline when being used, so that other larger gear measuring equipment can be replaced, and the cost is increased additionally.
Disclosure of Invention
The invention aims to provide an extensible clamping measuring device for measuring the diameter of a pipeline, which solves the problems in the background technology.
In order to achieve the above purpose, the present invention provides the following technical solutions: the utility model provides an extensibility centre gripping measuring device for pipeline diameter measurement, includes the measuring stick, the measuring stick sets up for the cylinder structure, four standing grooves have been seted up to measuring stick center outer circumference symmetry, four spouts have all been seted up to the equal symmetry in standing groove both sides of measuring stick, two control grooves have been seted up to the symmetry of standing groove both sides in the measuring stick, have seted up the cavity between two standing grooves, and peg graft through bearing level in two standing grooves respectively and run through cavity one side and be equipped with first lead screw and second lead screw, all cup joint control nut on first lead screw and the second lead screw, control nut four-sided an organic whole symmetry is equipped with the connecting pin, the connecting pin is pegged graft respectively and is arranged in the spout, all is equipped with the cover arm through the round pin hub connection on the connecting pin, all horizontal grafting is equipped with the expansion arm in the cover arm.
Preferably, the four placing grooves are vertically inserted and provided with contact heads, one sides of movable arms in sliding grooves on two sides of the four placing grooves are respectively connected and arranged on two sides of the lower end of the contact heads through pin shafts, and the upper ends of the contact heads are movably embedded and provided with balls.
Preferably, the integrative symmetry in cover arm upper end one side is equipped with two backup pads, and the integrative level in upper end is equipped with well core rod between two backup pads, has cup jointed the limiting plate on well core rod, and limiting plate lower extreme one side is integrative to be equipped with the arc, and a plurality of locating holes and a plurality of spacing groove have evenly been seted up respectively to cover arm and movable arm's backup pad one side, and the arc lower extreme runs through one side locating hole grafting and arranges in one side spacing groove.
Preferably, the lower extreme is equipped with the diaphragm through integrative level of center pin in the cavity, and the center pin is gone up the level and is cup jointed first conical gear, and one side is all integrative in first lead screw and the second lead screw grafting cavity is equipped with second conical gear, and two second conical gear lower extreme gear teeth respectively with first conical gear both sides teeth of a cogwheel contact, the cavity runs through standing groove one side and has been seted up the butt joint hole, and butt joint hole one side contact head lower extreme is integrative to be equipped with the butt joint piece, and the butt joint piece lower extreme runs through the butt joint hole grafting and arranges in the cavity.
Preferably, the rope groove is formed in the first lead screw, the pull rope is horizontally inserted in the rope groove, three guide rollers are sequentially arranged on the transverse plate, one side of the pull rope is connected with the center of the lower end of the butt joint block through the three guide rollers, one side, away from the butt joint block, of the pull rope penetrates through the first lead screw and one side of the measuring rod respectively to be provided with a connecting hook, the lower surface of the butt joint block and the rotating center shafts of the first lead screw and the second lead screw are positioned on the same horizontal line, and the initial value of the scale drum is equal to the height of the contact head and the butt joint block.
Preferably, a scale drum is horizontally inserted on one side of the first lead screw of the measuring rod, a square rod is horizontally inserted in the scale drum, a hook ring is integrally arranged on one side of the square rod through a rotary table, and the hook ring is connected and hooked.
Preferably, the scale section of thick bamboo grafting measuring stick is interior one side symmetry be equipped with four first pieces of colluding, four pressing grooves have been seted up to the scale section of thick bamboo one side symmetry of measuring stick, presses the equal vertical grafting in groove and is equipped with the button, button one side lower extreme and presses the vertical spring that is equipped with in groove one side upper end, button grafting pressing groove one side upper end an organic whole be equipped with the second and collude the piece, and the second colludes piece one side and contact.
Preferably, a torsion spring is sleeved between the limiting plates sleeved with the central rods, and two sides of the torsion spring are respectively embedded with the central rods and the limiting plates.
Preferably, two clamping grooves are symmetrically formed in two sides of the limiting plate, two limiting elastic pieces are symmetrically embedded in the upper ends of one side of the two supporting plates, and the center length of the two limiting elastic pieces from the center rod is equal to the center length of the clamping grooves from the center rod.
Preferably, grooves are formed in one side of the movable arms on two sides of the contact head of the butt joint block, and the width of each groove is larger than the height of the butt joint block.
Compared with the prior art, the invention has the beneficial effects that:
1. The device controls the four contact heads to extend outwards simultaneously through the two lead screws, then contacts with the inner wall of the pipeline, drives the pull rope to drag the square rod through the contact head at one side to drive the position of the indicating needle in the scale drum to change, then extracts and reads, is convenient to use, and simultaneously can detect whether the pipeline is deformed according to the smooth rotation of the inner diameter of the pipeline by the balls;
2. the arc-shaped plate is extruded by the arc-shaped groove of the movable arm when the sleeve arm slides to two sides through the screw rod, and then is inserted into the other arc-shaped groove through the torsion spring, and when the diameter range is measured in an extending mode, the positioning is automatically performed, and the operation is simple.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a schematic view of a partial structure cut of the present invention;
FIG. 3 is a schematic perspective view of a movable arm connection according to the present invention;
FIG. 4 is a schematic view of the portion A of FIG. 1 according to the present invention;
fig. 5 is a schematic diagram of the portion B of fig. 1 according to the present invention.
In the figure: the measuring rod 1, the placing groove 2, the sliding chute 3, the placing groove 4, the cavity 5, the first lead screw 6, the second lead screw 7, the control nut 8, the sleeve arm 9, the movable arm 10, the contact head 11, the ball 12, the limiting plate 13, the transverse plate 14, the first conical gear 15, the second conical gear 16, the butt joint block 17, the pull rope 18, the guide roller 19, the connecting hook 20, the scale drum 21, the square rod 22, the button 23, the spring 24, the torsion spring 25 and the limiting elastic piece 26.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1-5, the present invention provides an extendable clamp measuring apparatus for measuring a diameter of a pipe: comprises a measuring rod 1, the measuring rod 1 is in a cylindrical structure, four placing grooves 2 are symmetrically arranged on the outer circumferential surface of the center of the measuring rod 1, four sliding grooves 3 are symmetrically arranged on two sides of the placing groove 2 of the measuring rod 1, two control grooves 4 are symmetrically arranged on two sides of the placing groove 2 in the measuring rod 1, a cavity 5 is arranged between the two placing grooves 4, a first lead screw 6 and a second lead screw 7 are respectively inserted into one side of the two placing grooves 4, which horizontally penetrates through the cavity 5 through a bearing, two sides of the first lead screw 6 and the second lead screw 7 respectively penetrate through two sides of the measuring rod 1, a driving plate is integrally arranged on one side, which penetrates through the measuring rod 1, control nuts 8 are sleeved on the first lead screw 6 and the second lead screw 7, connecting pins are symmetrically arranged on four sides of the control nuts 8 respectively and are inserted into the sliding grooves 3, sleeved arms 9 are respectively inserted into the connecting pins through pin shaft connection, the movable arm 10 is horizontally inserted in the sleeve arm 9, the contact heads 11 are vertically inserted in the four placing grooves 2, one side of the movable arm 10 in the sliding grooves 3 on two sides of the four placing grooves 2 is respectively connected with two sides of the lower end of the contact heads 11 through a pin shaft, the upper end of the contact heads 11 is movably embedded with the balls 12, two supporting plates are integrally and symmetrically arranged on one side of the upper end of the sleeve arm 9, a center rod is horizontally arranged on the upper end of the sleeve arm, a limiting plate 13 is sleeved on the center rod, an arc plate is integrally arranged on one side of the lower end of the limiting plate 13, a plurality of positioning holes and a plurality of limiting grooves are respectively uniformly formed on one side of the supporting plates of the sleeve arm 9 and the movable arm 10, the lower end of the arc plate penetrates through one positioning hole and is inserted in one side of the limiting grooves, a torsion spring 25 is sleeved between the center rods and is respectively embedded with the two sides of the torsion spring 25, two clamping grooves are symmetrically formed in two sides of the limiting plate 13, two limiting elastic pieces 26 are symmetrically and jogged with the upper ends of one side of the two supporting plates, the center length of the two limiting elastic pieces 26 from the center rod is equal to that of the clamping grooves from the center rod, a transverse plate 14 is integrally and horizontally arranged at the lower end in the cavity 5 through a central shaft, a first conical gear 15 is horizontally and sleeved on the central shaft, a second conical gear 16 is integrally arranged at one side in the cavity 5 where the first lead screw 6 and the second lead screw 7 are spliced, gear teeth at the lower ends of the two second conical gears 16 are respectively contacted with gear teeth at two sides of the first conical gear 15, a butt joint hole is formed in one side of the cavity 5 penetrating through the placing groove 2, a butt joint block 17 is integrally arranged at the lower end of a contact head 11 at one side of the butt joint hole, the lower end of the butt joint block 17 penetrates through the butt joint hole to be spliced in the cavity 5, a rope groove is formed in the first lead screw 6, the horizontal plug in the rope groove is provided with a pull rope 18, the transverse plate 14 is sequentially provided with three guide rollers 19, one side of the pull rope 18 is connected and arranged at the center of the lower end of the butt joint block 17 through the three guide rollers 19, one side of the pull rope 18 far away from the butt joint block 17 penetrates through the first lead screw 6 and one side of the measuring rod 1 respectively, grooves are formed in one sides of movable arms 10 at two sides of a contact head 11 of the butt joint block 17, the width of the grooves is larger than the height of the butt joint block 17, the lower surface of the butt joint block 17 and the rotation center shafts of the first lead screw 6 and the second lead screw 7 are positioned on the same horizontal line, the initial value of a scale drum 21 is equal to the height of the contact head 11 plus the butt joint block 17, one side of the first lead screw 6 of the measuring rod 1 is horizontally plugged and provided with a scale drum 21, one side of the scale drum 21 is horizontally plugged and provided with a square rod 22, one side of the square rod 22 is integrally provided with a hook ring through a rotary table, the hook 20 is hooked by the connection hook ring, the scale section of thick bamboo 21 is pegged graft one side symmetry and is equipped with four first pieces of colluding in the measuring stick 1, four pressing grooves have been seted up to scale section of thick bamboo 21 one side symmetry of measuring stick 1, presses the equal vertical grafting in inslot and is equipped with button 23, button 23 one side lower extreme is equipped with spring 24 with pressing inslot one side upper end is vertical, button 23 peg graft pressing inslot one side upper end an organic whole and be equipped with the second and collude the piece, and the second colludes piece one side and collude piece one side and contact, first collude piece and the second colludes piece contact opposite side and all be equipped with the inclined plane, and inclination is unanimous.
Working principle: when in use, the second screw rod 7 is rotated, the second screw rod 7 connected with the first screw rod 6 is controlled to rotate by driving the first screw rod 15 through the second conical gear 16, the two screw rods are simultaneously rotated, the control nut 8 is driven to move to the center through the movable arm 10 of the sleeve arm 9 to jack up the contact head 11 upwards, then the contact heads are respectively contacted with four sides of the inner wall of a pipeline under the principle of synchronization of the four contact heads, the square rod 22 is pulled by the butting block 17 to drive the pull rope 18 to drive the indicating needle in the scale drum 21 to stay at the maximum position, the scale mark is taken out for reading, when the diameter of the pipeline is overlarge, the second screw rod 7 is reversely rotated, the control nut 8 drives the contact head 11 to return to the placing groove 2, and then the rotation is continued, the sleeve arm 9 is driven to slide, then the arc plate slides out of the arc groove, the next arc groove is inserted under the action of the torsion spring 25, the extension length of the movable arm 10 is adjusted to control the dimensional change measured by equipment in the same way, and when the using time of the scale drum 21 is vague or damaged by collision, the second hook block is driven to descend into the pressing groove by pressing the button 23, then the scale drum 21 is pulled out, a new scale drum 21 is taken out, after the hook ring is hooked by the connecting hook 20, the measuring rod 1 is directly inserted through the four first hook blocks, the button 23 descends firstly under the action of the inclined plane, then bounces under the action of the spring 24, the second hook block fixes and limits the first hook block, and the installation of the scale drum 21 is completed.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (3)
1. An extensible clamping measurement device for measuring the diameter of a pipeline, comprising a measuring rod (1), characterized in that: the measuring rod (1) is in a cylindrical structure, four placing grooves (2) are symmetrically formed in the outer circumferential surface of the center of the measuring rod (1), four sliding grooves (3) are symmetrically formed in two sides of each placing groove (2) of the measuring rod (1), two control grooves (4) are symmetrically formed in two sides of each placing groove (2) in the measuring rod (1), a cavity (5) is formed between the two control grooves (4), a first lead screw (6) and a second lead screw (7) are respectively inserted into one side of each two control grooves (4) through the horizontal penetrating cavity (5) of a bearing, control nuts (8) are respectively sleeved on the first lead screw (6) and the second lead screw (7), connecting pins are respectively and symmetrically arranged on four sides of each control nut (8) in the corresponding sliding grooves (3), sleeved arms (9) are respectively connected through pin shafts, and movable arms (10) are respectively and horizontally inserted into the sleeved arms (9);
The four placing grooves (2) are vertically inserted and provided with contact heads (11), one sides of movable arms (10) in sliding grooves (3) on two sides of the four placing grooves (2) are respectively connected with two sides of the lower end of the contact heads (11) through pin shafts, and the upper ends of the contact heads (11) are movably inserted and provided with balls (12);
Two supporting plates are integrally and symmetrically arranged on one side of the upper end of the sleeve arm (9), a central rod is horizontally arranged on the upper end of the upper end support, a limiting plate (13) is sleeved on the central rod, an arc plate is integrally arranged on one side of the lower end of the limiting plate (13), a plurality of positioning holes and a plurality of limiting grooves are uniformly formed in one side of each of the supporting plates of the sleeve arm (9) and the movable arm (10), and the lower end of the arc plate penetrates through one side positioning hole and is inserted into one side limiting groove;
A torsion spring (25) is sleeved between the limiting plates (13) and the central rod, and two sides of the torsion spring (25) are respectively embedded with the central rod and the limiting plates (13);
Two clamping grooves are symmetrically formed in two sides of the limiting plate (13), two limiting elastic pieces (26) are symmetrically embedded in the upper ends of one side of the two supporting plates, and the center length of the two limiting elastic pieces (26) away from the center rod is equal to the center length of the clamping grooves away from the center rod;
The lower end in the cavity (5) is horizontally provided with a transverse plate (14) through a central shaft, a first conical gear (15) is horizontally sleeved on the central shaft, a second conical gear (16) is integrally arranged on one side in the first lead screw (6) and the second lead screw (7) inserted cavity (5), the lower end gear teeth of the two second conical gears (16) are respectively contacted with gear teeth on two sides of the first conical gear (15), a butt joint hole is formed in one side of the cavity (5) penetrating through the placing groove (2), a butt joint block (17) is integrally arranged at the lower end of a contact head (11) on one side of the butt joint hole, and the lower end of the butt joint block (17) penetrates through the butt joint hole to be inserted in the cavity (5);
A rope groove is formed in the first lead screw (6), a pull rope (18) is horizontally inserted in the rope groove, three guide rollers (19) are sequentially arranged on the transverse plate (14), one side of the pull rope (18) is connected with the center of the lower end of the butt joint block (17) through the three guide rollers (19), one side, far away from the butt joint block (17), of the pull rope (18) penetrates through the first lead screw (6) and one side of the measuring rod (1) respectively, a connecting hook (20) is arranged on one side, on the lower surface of the butt joint block (17), the rotating center shafts of the first lead screw (6) and the second lead screw (7) are in the same horizontal line, and the initial value of the scale drum (21) is equal to the height of the contact head (11) and the butt joint block (17);
The measuring rod is characterized in that a scale drum (21) is horizontally inserted on one side of a first lead screw (6) of the measuring rod (1), a square rod (22) is horizontally inserted in the scale drum (21), a hook ring is integrally arranged on one side of the square rod (22) through a rotary table, a connecting hook (20) is hooked and hooked, one side of the square rod is connected with a contact head (11) to drive a pull rope (18) to drag the square rod (22) to drive the position of an indicating needle in the scale drum (21) to change.
2. An extendable clamp measurement apparatus for pipe diameter measurement according to claim 1 wherein: four first hooked blocks are symmetrically arranged on one side of the scale drum (21) in the plugging measuring rod (1), four pressing grooves are symmetrically formed on one side of the scale drum (21) of the measuring rod (1), buttons (23) are vertically plugged in the pressing grooves, springs (24) are vertically arranged at the lower ends of one side of the buttons (23) and the upper ends of one side of the pressing grooves, second hooked blocks are integrally arranged at the upper ends of one side of the button (23) in the plugging pressing grooves, and one side of each second hooked block is contacted with one side of each first hooked block.
3. An extendable clamp measurement apparatus for pipe diameter measurement according to claim 2 wherein: grooves are formed in one sides of the movable arms (10) on two sides of the contact head (11) of the butt joint block (17), and the width of each groove is larger than the height of the butt joint block (17).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111125007.2A CN113916099B (en) | 2021-09-25 | 2021-09-25 | A extensibility centre gripping measuring device for pipeline diameter measurement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111125007.2A CN113916099B (en) | 2021-09-25 | 2021-09-25 | A extensibility centre gripping measuring device for pipeline diameter measurement |
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| Publication Number | Publication Date |
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| CN113916099A CN113916099A (en) | 2022-01-11 |
| CN113916099B true CN113916099B (en) | 2024-04-19 |
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| CN202111125007.2A Active CN113916099B (en) | 2021-09-25 | 2021-09-25 | A extensibility centre gripping measuring device for pipeline diameter measurement |
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| CN114396910A (en) * | 2022-01-19 | 2022-04-26 | 王军 | Aperture microspur clearance measuring device |
| CN114777624B (en) * | 2022-06-20 | 2022-08-23 | 山东鄄城致远科教仪器有限公司 | Angle surveying device for construction |
| CN117516340B (en) * | 2024-01-08 | 2024-04-30 | 济南汇通热力有限公司 | Long-conveying large-pipe-diameter heat distribution pipe network 'bump-up opening' heat preservation pipe measuring device |
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| CN110567335A (en) * | 2019-09-11 | 2019-12-13 | 吴琳方 | Gasoline engine crankshaft precision assembly precision detection tool |
| CN210374936U (en) * | 2019-10-21 | 2020-04-21 | 绍兴市合球铸造有限公司 | Simple tool for measuring inner diameter of differential shell |
| CN211373454U (en) * | 2020-02-26 | 2020-08-28 | 中元方工程咨询有限公司 | Engineering is managed with stake hole aperture detection device |
| CN211476997U (en) * | 2020-03-31 | 2020-09-11 | 邝俊杰 | Building pile hole aperture detection device |
| CN211601821U (en) * | 2020-05-07 | 2020-09-29 | 李在原 | Supervision pile hole aperture detection device |
| CN213579072U (en) * | 2020-12-08 | 2021-06-29 | 黄海滨 | House building manages with stake hole aperture detection device |
| CN112665484A (en) * | 2020-12-11 | 2021-04-16 | 九江检安石化工程有限公司 | Large container circular cylinder forming inner wall size, shape and position combined measuring device |
| CN112254608A (en) * | 2020-12-22 | 2021-01-22 | 南京仪汇仪器设备有限公司 | Rubber tire size detection mechanism |
| CN112798423A (en) * | 2021-02-25 | 2021-05-14 | 万能招 | Silk stocking production elasticity testing device |
| CN113028946A (en) * | 2021-03-11 | 2021-06-25 | 国网新疆电力有限公司电力科学研究院 | Device and method for measuring inner diameter of cable protection pipe |
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