CN110645878B - Steel bar diameter measuring device - Google Patents
Steel bar diameter measuring device Download PDFInfo
- Publication number
- CN110645878B CN110645878B CN201911134912.7A CN201911134912A CN110645878B CN 110645878 B CN110645878 B CN 110645878B CN 201911134912 A CN201911134912 A CN 201911134912A CN 110645878 B CN110645878 B CN 110645878B
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- ring
- sliding
- fixing ring
- steel bar
- locking
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- 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
- G01B5/0002—Arrangements for supporting, fixing or guiding the measuring instrument or the object to be measured
-
- 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
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Length-Measuring Instruments Using Mechanical Means (AREA)
Abstract
The invention discloses a steel bar diameter measuring device which is integrally box-shaped and convenient to carry, clamps and measures steel bars through a plurality of rotatable locking sheets which are expanded outwards, and can directly read numerical values according to a pointer, and is characterized in that a fixing ring is divided into an inner layer and an outer layer, the inner layer and the outer layer of the fixing ring are connected through a plurality of sliding sheets, a plurality of sliding sheets are distributed at equal angles, the sliding sheets are tangent to the inner layer of the fixing ring, a moving groove is formed in each sliding sheet, the outer layer of the fixing ring is divided into an upper part and a lower part, the outer diameter of the upper part is smaller than the outer diameter of the lower part, a clamping shell is of an annular box body structure, a circular ring outside the clamping shell is sleeved on the upper part of the outer layer of the fixing ring, a circular ring inside the clamping box shell is sleeved with the inner layer of the fixing ring, a plurality of fixed connecting rods are correspondingly arranged on the plurality of sliding sheets one by one, and the screwing shell is screwed on the lower part of the outer layer of the fixing ring, the outer ring of the outer layer of the fixing ring is provided with a limiting ring and is attached to the screwing shell.
Description
Technical Field
The invention discloses a steel bar diameter measuring device, relates to a diameter measuring instrument for measuring the diameter of a steel bar, and belongs to the field of constructional engineering. In particular to a caliper which is integrally box-shaped and convenient to carry, clamps and measures the steel bar through a plurality of rotatable locking sheets which are expanded outwards and can directly read the numerical value according to a pointer.
Background
The steel bar is widely applied in the field of buildings, the functions are different, such as tension, compression, stirrup, erection and the like, and different diameters are adopted to meet different stress requirements, so that the measurement of the diameter is an indispensable step for daily drawing measurement or acceptance of the steel bar; constructors often adopt a ruler, a tape measure or a vernier caliper for measurement, and the surface of the steel bar is cylindrical and is provided with a threaded rib, so that the ruler, the tape measure and the steel bar are difficult to position, the scale reading is inconvenient, the diameter measurement error is large, when the vernier caliper is used, the number needs to be read by clamping for many times, the use operation is complicated, and the vernier caliper is easy to damage; often adopt callipers class or slide caliper rule class structure among the prior art, the instrument of callipers class structure only is used for the callipers but the volume is great, carries inconveniently, and the instrument of slide caliper rule class structure need try to trade different draw-in grooves in order to accord with the reinforcing bar that surveys when measuring, and measuring efficiency is not high, uses inconveniently.
Notice No. CN208780087U discloses a slide caliper rule for reinforcing bar diameter measurement, including circular arc portion, left card arm, right card arm, measurement arm, spacing piece, left measurement claw and right measurement claw, the device presss from both sides tight reinforcing bar at one end, and the card arm needs enough length in order to guarantee that the scale interval is great, marks more spacious, makes and reads the convenience, and this makes this measuring tool volume great, carries not very convenient.
Notice No. CN202420387U discloses a steel bar measurement slide caliper rule, including a slide caliper rule body, the device has set up a plurality of draw-in grooves, and length is longer and the chi face is great, when the reinforcing bar is tied up or is piled up and measure together, receives stopping of other reinforcing bars easily, inconvenient measurement, and need try to change different draw-in grooves and measure the reinforcing bar diameter, measure and take time and not too directly perceived, use inconvenient.
Disclosure of Invention
In order to improve the situation, the invention provides a steel bar diameter measuring device which is integrally box-shaped and convenient to carry, clamps and measures steel bars through a plurality of locking sheets capable of rotating and expanding outwards, and can directly read numerical values according to a pointer.
The invention relates to a steel bar diameter measuring device, which is realized as follows: the invention relates to a steel bar diameter measuring device, which consists of a screwing shell, a transmission ring, a pointer, a fixing ring, a clamping shell, a locking piece, a bolt, a fixed connecting rod, a reset spring, a transmission connecting rod, a sliding column, a sliding block, a sliding groove and sliding pieces, wherein the fixing ring is divided into an inner layer and an outer layer, the inner layer and the outer layer of the fixing ring are connected through the sliding pieces, a plurality of sliding pieces are distributed at equal angles, the sliding pieces are tangent to the inner layer of the fixing ring, the sliding pieces are provided with moving grooves, the outer layer of the fixing ring is divided into an upper part and a lower part, the outer diameter of the upper part is smaller than the outer diameter of the lower part, the clamping shell is of an annular box body structure, a circular ring outside the clamping shell is sleeved on the upper part of the outer layer of the fixing ring, a circular ring inside the clamping shell is sleeved on the inner layer of the fixing ring, the plurality of fixed connecting rods are correspondingly arranged on the sliding pieces one by one, the screwing shell is arranged on the lower part of the outer layer of the fixing ring, the outer layer outer ring of the fixing ring is provided with a limiting ring and is attached to the screwing shell, the middle part of the screwing shell is provided with a circular groove, scales are respectively arranged on two sides of the circular groove, the transmission ring is arranged in the fixing ring, the middle part of the transmission ring protrudes downwards and is arranged in the circular groove, a plurality of transmission connecting rods are arranged at the top of the transmission ring at equal angles, the other ends of the transmission connecting rods extend upwards to the upper part of the fixing ring, the transmission connecting rods are connected with the fixed connecting rods in a one-to-one correspondence manner through reset springs, the transmission ring is provided with a plurality of sliding grooves at equal angles, a plurality of locking pieces are arranged between the transmission ring and the inner layer of the fixing ring at equal angles, sliding columns are arranged at the top of the locking pieces, the sliding columns on the locking pieces are arranged in the moving grooves on the sliding pieces in a one-to-one correspondence manner, sliding blocks are arranged at the bottom of the locking pieces, and the sliding blocks on the locking pieces are arranged in the sliding grooves on the transmission ring in a one-to-one manner, the stay is formed by square piece and triangle-shaped piece combination, sliding block and slip post are located the stay square piece, and the triangle-shaped piece closure of a plurality of stays forms whole circular piece, the transmission ring inlayer symmetry has two engaging lugs, the engaging lug stretches out the shell of screwing, and two pointers are arranged in respectively on two engaging lugs, and pass through the bolt fastening, pointer and scale are corresponding.
Has the beneficial effects.
The steel bar multi-angle clamping device has the advantages that the steel bar multi-angle clamping is carried out by the plurality of locking pieces, the error is small, the measurement is more accurate, the diameter can be directly read, the measurement is visual, and the use is convenient.
And secondly, the reinforcing steel bar penetrates through the middle part during measurement, and the steel bar bundling state can be measured.
And thirdly, the device is a round box-shaped object, and is small in size and convenient to carry.
Drawings
FIG. 1 is a three-dimensional structure diagram of a steel bar caliper of the invention;
FIG. 2 is a schematic view of another angle of view of the steel bar caliper of the present invention;
FIG. 3 is a perspective exploded view of another perspective of a steel bar caliper of the present invention;
FIG. 4 is a schematic structural view of a steel bar caliper, particularly a schematic structural view of an internal rotary opening and closing of the caliper;
fig. 5 is a schematic structural view of a steel bar caliper, in particular to a schematic structural view of an internal rotating opening and closing mechanism during the caliper measurement.
In the attached drawings
Wherein the method comprises the following steps: the device comprises a screwing shell (1), a transmission ring (2), a pointer (3), a fixing ring (4), a clamping shell (5), a locking sheet (6), a bolt (7), a fixed connecting rod (8), a reset spring (9), a transmission connecting rod (10), a sliding column (11), a sliding block (12), a sliding groove (13) and a sliding sheet (14).
The specific implementation mode is as follows:
the invention relates to a steel bar diameter measuring device, which is realized as follows: the invention relates to a steel bar diameter measuring device which comprises a screwing shell (1), a transmission ring (2), a pointer (3), a fixing ring (4), a clamping shell (5), a locking piece (6), a bolt (7), a fixed connecting rod (8), a reset spring (9), a transmission connecting rod (10), a sliding column (11), a sliding block (12), a sliding groove (13) and a sliding sheet (14), wherein the fixing ring (4) is divided into an inner layer and an outer layer, the inner layer and the outer layer of the fixing ring (4) are connected through the sliding sheets (14), the sliding sheets (14) are distributed at equal angles, the sliding sheets (14) are tangent to the inner layer of the fixing ring (4), the sliding sheet (14) is provided with a moving groove, the outer layer of the fixing ring (4) is divided into an upper part and a lower part, the outer diameter of the upper part is smaller than the outer diameter of the lower part, the clamping shell (5) is of an annular box body structure, the outer ring of the clamping shell (5) is sleeved on the upper part of the outer layer of the fixing ring (4), the inboard ring of card box shell cup joints with solid fixed ring (4) inlayer mutually, and on a plurality of gleitbretters (14) were arranged in to a plurality of fixed link (8) one-to-one, solid fixed ring (4) outer lower part was arranged in to shell (1) spiro union of screwing on, the spacing ring has been put to solid fixed ring (4) outer lane, and pastes mutually with shell (1) of screwing, open at shell (1) middle part of screwing has the circular slot, the scale has been put respectively to the both sides of circular slot, and solid fixed ring (4) are arranged in to transmission ring (2), the circular slot is arranged in to the downward protrusion in middle part of transmission ring (2), and transmission ring (2) top is arranged in to angles such as a plurality of transmission connecting rod (10), the other end of transmission connecting rod (10) upwards extends to solid fixed ring (4) upper portion in, a plurality of transmission connecting rod (10) are connected through reset spring (9) and a plurality of fixed link (8) one-to one, a plurality of sliding grooves (13) are formed in the transmission ring (2) at equal angles, a plurality of locking sheets (6) are arranged between the transmission ring (2) and the inner layer of the fixing ring (4) at equal angles, sliding columns (11) are arranged at the tops of the locking sheets (6), the sliding columns (11) on the locking sheets (6) are arranged in the moving grooves on the sliding sheets (14) in a one-to-one correspondence mode, sliding blocks (12) are arranged at the bottoms of the locking sheets (6), the sliding blocks (12) on the locking sheets (6) are arranged in the sliding grooves (13) on the transmission ring (2) in a one-to-one correspondence mode, the locking sheets (6) are formed by combining square sheets and triangular sheets, the sliding blocks (12) and the sliding columns (11) are located on the square sheets of the locking sheets (6), the triangular sheets of the locking sheets (6) are closed to form a whole circular sheet, two connecting lugs are symmetrically arranged on the inner layer of the transmission ring (2), the connecting lugs extend out of the screwing shell (1), the two pointers (3) are respectively arranged on the two connecting lugs and fixed through bolts (7), and the pointers (3) correspond to the scales.
When the device is used, the plurality of locking sheets (6) in the initial state are tightly attached and closed, when the diameter of a steel bar needs to be measured, a person firstly rotates the pointer (3), the pointer (3) rotates to drive the transmission ring (2) to rotate, the transmission ring (2) rotates to enable the sliding groove (13) on the transmission ring to rotate, the sliding groove (13) rotates to push the sliding block (12) on the locking sheet (6) to move in a squeezing mode, the locking sheet (6) moves outwards, meanwhile, the sliding groove on the sliding sheet (14) pushes the sliding column (11) on the locking sheet (6), the locking sheet (6) further rotates, even if the plurality of locking sheets (6) move and rotate in the same direction, a polygonal groove is formed in the middle of the locking sheets, meanwhile, the distance between the transmission connecting rod (10) and the fixed connecting rod (8) is increased, the reset spring (9) is stretched, and the person stretches the steel bar with the diameter needing to be measured into the polygonal groove, then the pointer (3) is loosened, the transmission connecting rod (10) resets under the action of the restoring force of the reset spring (9), the transmission ring (2) reversely rotates to reset, the locking piece (6) resets to the middle part, the steel bar is clamped, at the moment, a person reads the scale pointed by the pointer (3), the numerical value is the diameter of the measured steel bar, the measurement is visual, the diameter of the steel bar is clamped and measured in multiple directions, the accuracy is high, the measurement can be realized only by rotating the pointer (3), the operation is convenient, and the measurement efficiency is high;
the whole device is box-shaped and has small volume. Is convenient to carry;
the sliding sheet (14) and the inner layer of the fixing ring (4) are tangent, and a moving groove on the sliding sheet (14) can push a sliding column (11) on the locking sheet (6) so as to open the locking sheet (6);
the outer layer of the fixing ring (4) is divided into an upper part and a lower part, the outer diameter of the upper part is smaller than that of the lower part, and a limiting surface is formed between the upper part and the lower part so as to limit the locking piece (6);
the outer ring of the outer layer of the fixing ring (4) is provided with a limiting ring, and the limiting ring is attached to the screwing shell (1) to limit the screwing shell (1);
scales are arranged on two sides of the circular groove respectively, so that numerical values can be read directly through the scales, and the use is convenient;
the locking sheets (6) are designed by combining square sheets and triangular sheets, and the triangular sheets of the locking sheets (6) can form a complete circle when being closed;
the middle part of the transmission ring (2) protrudes downwards and is arranged in the circular groove, so that the pointer (3) can be installed, and the transmission ring (2) is driven to rotate by rotating the pointer (3);
the locking sheet (6) is matched with the transmission ring (2) and the fixing ring (4), so that the reinforcing steel bars with different diameters can be measured by opening the locking sheet (6), and the measurement is more convenient;
the pointer (3) is matched with scales, so that the measurement is visual, and the numerical value reading is convenient and quick;
the rotary pointer (3) is designed in such a way that the locking sheets (6) move and rotate, so that the middle parts of the locking sheets (6) can be opened to form a polygonal groove for inserting a steel bar for measurement;
the pointer (3) is loosened, and the locking sheets (6) are reset, so that the steel bars can be clamped through the locking sheets (6) to measure the diameter;
the purpose of measuring the diameter of the steel bar is achieved.
The above embodiments are preferred embodiments of the present invention, and are not intended to limit the scope of the present invention. It will be appreciated by those skilled in the art that changes may be made without departing from the scope of the invention, and it is intended that all matter contained in the above description or shown in the accompanying drawings shall be interpreted as illustrative and not in a limiting sense.
Claims (10)
1. A steel bar diameter measuring device is characterized by comprising a screwing shell, a transmission ring, a pointer, a fixing ring, a clamping shell, a locking piece, a bolt, a fixed connecting rod, a reset spring, a transmission connecting rod, a sliding column, a sliding block, a sliding groove and sliding pieces, wherein the fixing ring is divided into an inner layer and an outer layer, the inner layer and the outer layer of the fixing ring are connected through the sliding pieces, the sliding pieces are distributed at equal angles, a moving groove is formed in each sliding piece, the fixed connecting rods are arranged on the sliding pieces in a one-to-one correspondence mode, the screwing shell is arranged on the lower portion of the outer layer of the fixing ring in a screwed mode, a circular groove is formed in the middle of the screwing shell, scales are arranged on two sides of the circular groove respectively, the transmission ring is arranged in each fixing ring, the transmission connecting rods are arranged at the tops of the transmission rings at equal angles, the other ends of the transmission connecting rods extend upwards into the upper portion of the fixing ring, the transmission connecting rods are connected with the fixed connecting rods in a one-to-one correspondence mode through the reset spring and the fixed connecting rods, the transmission ring is provided with a plurality of sliding grooves at equal angles, a plurality of locking sheets are arranged between the transmission ring and the inner layer of the fixing ring at equal angles, sliding columns are arranged at the tops of the locking sheets, the sliding columns on the locking sheets are correspondingly arranged in the moving grooves on the sliding sheets one by one, sliding blocks are arranged at the bottoms of the locking sheets, the sliding blocks on the locking sheets are correspondingly arranged in the sliding grooves on the transmission ring one by one, two connecting lugs are symmetrically arranged on the inner layer of the transmission ring, the connecting lugs extend out of the screwing shell, two pointers are respectively arranged on the two connecting lugs and are fixed through bolts, the pointers correspond to scales, when the device is used, a person extends a steel bar with the diameter to be measured into the polygonal grooves, then loosens the pointers, the transmission connecting rod resets under the restoring force of a restoring spring, so that the transmission ring reversely rotates and resets to the middle part, and clamping the steel bar, reading the scale pointed by the pointer by a person, and determining the numerical value as the diameter of the measured steel bar.
2. The steel bar caliper of claim 1, wherein the sliding piece is tangent to the inner layer of the fixing ring, and the moving groove on the sliding piece can push the sliding column on the locking piece to open the locking piece.
3. A diameter gauge for reinforcing bar according to claim 2, wherein the outer layer of said fixing ring is divided into an upper portion and a lower portion, the outer diameter of the upper portion is smaller than the outer diameter of the lower portion, and a position-limiting surface is formed between the upper portion and the lower portion to limit the position of said locking piece.
4. The steel bar caliper according to claim 3, wherein the outer ring of the outer layer of the fixing ring is provided with a limiting ring, and the limiting ring is attached to the screwing shell to limit the screwing shell.
5. A steel diameter gauge according to claim 1, wherein the locking tabs are formed by a combination of square and triangular tabs, the triangular tabs of the plurality of locking tabs being capable of forming a full circle when closed.
6. A steel bar caliper according to claim 1, wherein the middle portion of the driving ring protrudes downward into the circular groove so as to mount the pointer, and the driving ring is rotated by the rotation of the pointer.
7. A steel bar caliper according to claim 5, wherein said locking tabs engage the drive ring and the retaining ring to enable the measurement of different diameter bars by opening the locking tabs.
8. A steel bar caliper according to claim 1, wherein the plurality of locking segments are moved and rotated by rotating the indicating needle, so that the middle portions of the plurality of locking segments are opened to form a polygonal groove for inserting the steel bar to measure.
9. A steel calliper according to claim 1, wherein the sliding blocks and posts are located on the square tab of the locking tab.
10. The steel bar caliper according to claim 1, wherein the clamping shell is of an annular box structure, the outer ring of the clamping shell is sleeved on the upper part of the outer layer of the fixing ring, and the inner ring of the clamping shell is sleeved with the inner layer of the fixing ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911134912.7A CN110645878B (en) | 2019-11-19 | 2019-11-19 | Steel bar diameter measuring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911134912.7A CN110645878B (en) | 2019-11-19 | 2019-11-19 | Steel bar diameter measuring device |
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| Publication Number | Publication Date |
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| CN110645878A CN110645878A (en) | 2020-01-03 |
| CN110645878B true CN110645878B (en) | 2021-12-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201911134912.7A Active CN110645878B (en) | 2019-11-19 | 2019-11-19 | Steel bar diameter measuring device |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111765832B (en) * | 2020-06-24 | 2022-03-25 | 中国石油天然气股份有限公司 | Device for measuring maximum outer diameter of irregular cylinder |
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| CN206620726U (en) * | 2017-03-14 | 2017-11-10 | 吉林省养蜂科学研究所（吉林省蜂产品质量管理监督站、吉林省蜜蜂遗传资源基因保护中心） | A kind of queen bee mass detector |
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| CN109114137A (en) * | 2018-08-01 | 2019-01-01 | 北京理工大学 | Iris formula braking moment control system for Retarder |
| CN110173374A (en) * | 2019-05-14 | 2019-08-27 | 西北工业大学 | A kind of change blockage ratio detonation tube based on iris principle |
| CN110376823A (en) * | 2019-06-25 | 2019-10-25 | 中国科学院长春光学精密机械与物理研究所 | A kind of camera secondary mirror end structure with telescopic lens cap |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JP2004161545A (en) * | 2002-11-13 | 2004-06-10 | Sumitomo Electric Ind Ltd | Method and apparatus for drawing optical fiber |
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2019
- 2019-11-19 CN CN201911134912.7A patent/CN110645878B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN206620726U (en) * | 2017-03-14 | 2017-11-10 | 吉林省养蜂科学研究所（吉林省蜂产品质量管理监督站、吉林省蜜蜂遗传资源基因保护中心） | A kind of queen bee mass detector |
| CN206985333U (en) * | 2017-05-10 | 2018-02-09 | 苏州市恒信建设监理咨询有限公司 | Reinforcement location analyzer |
| CN207730120U (en) * | 2017-07-28 | 2018-08-14 | 广州科技职业技术学院 | Portable unit for measuring diameter and Unit Weight |
| CN109114137A (en) * | 2018-08-01 | 2019-01-01 | 北京理工大学 | Iris formula braking moment control system for Retarder |
| CN110173374A (en) * | 2019-05-14 | 2019-08-27 | 西北工业大学 | A kind of change blockage ratio detonation tube based on iris principle |
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