CN111981948A - Road and bridge engineering is managed and is measured pincers with reinforcing bar diameter - Google Patents
Road and bridge engineering is managed and is measured pincers with reinforcing bar diameter Download PDFInfo
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- CN111981948A CN111981948A CN202010909883.3A CN202010909883A CN111981948A CN 111981948 A CN111981948 A CN 111981948A CN 202010909883 A CN202010909883 A CN 202010909883A CN 111981948 A CN111981948 A CN 111981948A
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- bridge engineering
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- 210000000080 chela (arthropods) Anatomy 0.000 title claims abstract description 6
- 230000003014 reinforcing effect Effects 0.000 title claims abstract description 6
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 35
- 239000010959 steel Substances 0.000 claims abstract description 35
- 210000003813 thumb Anatomy 0.000 claims description 5
- 238000005259 measurement Methods 0.000 claims description 3
- 230000002787 reinforcement Effects 0.000 claims 1
- 210000000078 claw Anatomy 0.000 abstract description 4
- 238000005260 corrosion Methods 0.000 abstract description 2
- 230000007797 corrosion Effects 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000005498 polishing Methods 0.000 description 2
- 239000011150 reinforced concrete Substances 0.000 description 2
- 230000000007 visual effect Effects 0.000 description 2
- 238000001514 detection method Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
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Classifications
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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
- G01B5/08—Measuring arrangements characterised by the use of mechanical techniques for measuring diameters
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- A Measuring Device Byusing Mechanical Method (AREA)
Abstract
The invention discloses a steel bar diameter measuring clamp for supervision of road and bridge engineering, which relates to the technical field of bridge engineering and comprises a shell, wherein a fixed vertical plate is fixedly connected to the middle position of the bottom of the shell, a supporting rod is fixedly connected to the middle position of the top of the fixed vertical plate, a graduated scale is fixedly connected to the top of the supporting rod, and an incomplete gear is rotatably connected to the middle position of the fixed vertical plate; the jack catch of measuring pincers inner wall surface corrosion leads to inner wall surface unevenness after long-time, just can lead to great error when using this jack catch to measure the reinforcing bar diameter, need polish or change the jack catch this moment, and through upwards pulling bayonet lock, the bayonet lock drives the nose bar rebound and forces the movable rod to slide along the outer edge of connecting block, and the movable rod forces the chucking rod to rotate along horizontal connecting rod to can make the jack catch break away from with the connecting block easily. The claw inner wall of the disassembled claw is conveniently polished or replaced by a new claw.
Description
Technical Field
The invention relates to the technical field of bridge engineering, in particular to a steel bar diameter measuring clamp for road and bridge engineering supervision.
Background
The steel bars refer to steel materials for reinforced concrete and prestressed reinforced concrete, and the steel bars are various in types and are generally classified according to chemical compositions, production processes, rolling shapes, supply forms, diameters and purposes in structures; although the types of the steel bars on the current market are diversified, the form of each steel bar is fixed, so that the reasonability of using the steel bars in the civil engineering process is ensured, the quality detection of the steel bars is particularly important in the production process of the steel bars, and the diameter of the steel bars is the most visual standard for the quality of the steel bars.
When the diameter of a steel bar used in construction engineering is measured in the existing road and bridge engineering, a vernier caliper is often used for measuring the diameter of the steel bar, and the use requirement of the vernier caliper is high, so that the diameter measuring step of the steel bar by using the vernier caliper is complicated, the quality requirement of a measuring person is high, and the method for measuring the diameter of the steel bar is not beneficial to popularization; in addition, due to the problem of the visual angle, the diameter of the steel bar is difficult to read accurately by workers in the measurement process, and the measured diameter data of the steel bar has larger error; secondly, when a worker uses the vernier caliper to clamp the steel bar, the clamping jaw is easy to loosen due to self negligence, so that the data measured by the vernier caliper is smaller or larger, and the accurate value of the diameter of the steel bar cannot be represented.
Disclosure of Invention
The invention aims to solve the problems that in the prior art, when the diameter of a steel bar used in the construction engineering is measured in the road and bridge engineering, a vernier caliper is often used for measuring the diameter of the steel bar, the use requirement of the vernier caliper is higher, so that the diameter measuring step of the steel bar by using the vernier caliper is complicated, the quality requirement of a measurer is higher, and the method for measuring the diameter of the steel bar is not beneficial to popularization.
In order to achieve the purpose, the invention adopts the following technical scheme:
a steel bar diameter measuring clamp for road and bridge engineering supervision comprises a shell, wherein a fixed vertical plate is fixedly connected to the middle position of the bottom of the shell, a supporting rod is fixedly connected to the middle position of the top of the fixed vertical plate, a graduated scale is fixedly connected to the top of the supporting rod, an incomplete gear is rotatably connected to the middle position of the fixed vertical plate, a driving rod is fixedly connected to the outer surface of the incomplete gear along one side of a rotating shaft, a shifting wheel is fixedly connected to one side of the driving rod away from the incomplete gear, a guide rail is fixedly connected to the inner wall of one side of the shell, which is close to the shifting wheel, a movable plate is slidably connected to the guide rail along the vertical direction, a pulling plate is fixedly connected to the top of the movable plate, a gauge block fixing rod is movably connected to the middle position, one end of the incomplete gear is fixedly connected with a second connecting rod, one end of the second connecting rod, which is far away from the incomplete gear, is fixedly connected with a first connecting rod, the top of the first connecting rod is rotatably connected with a connecting folding rod, the top of the connecting folding rod is fixedly connected with a connecting block, one side of the connecting block is fixedly connected with a chucking spring, one side of the chucking spring, which is far away from the connecting block, is fixedly connected with a horizontal connecting rod, one side of the horizontal connecting rod, which is far away from the connecting block, is rotatably connected at the middle position of the chucking rod, the middle position at the top of the connecting block is fixedly connected with a reset spring, the bottom of the reset spring is fixedly connected with a convex rod, the convex rod is close to the lower part of the reset spring, a pull pin is fixedly connected at the bottom of the, the connecting block is characterized in that a positioning column is fixedly connected to the middle position of the top of the connecting block, a clamping jaw is slidably connected to the top of the positioning column, a limiting frame is fixedly connected to the middle position of the clamping jaw, a U-shaped groove is formed in the top of the limiting frame, an inner screw cylinder is slidably connected to the U-shaped groove along the horizontal direction, a set screw is rotatably connected to the inner screw cylinder along the vertical direction, a limiting spring is fixedly connected to the bottom of the set screw, a limiting block is fixedly connected to the bottom of the limiting spring, a correcting rod is fixedly connected to the bottom of the limiting frame.
Optionally, the scale has a minimum scale value of millimeters and a range of five centimeters.
Optionally, one end of the movable rod close to the convex rod is provided with a bevel notch.
Optionally, the graduated scale is along scale below fixedly connected with gag lever post, the dovetail groove has evenly been seted up to the gag lever post upper surface.
Optionally, the arc occupied by the incomplete gear teeth is sixty degrees.
Optionally, the left plane and the right plane of the gauge block are smooth and flat measuring surfaces, and the horizontal distance between the two measuring surfaces is ten millimeters.
Optionally, the number of the clamping springs is four, every two of the clamping springs are arranged to be a group, and the two groups of the clamping springs are fixedly connected to two sides of the connecting block respectively.
Optionally, the cross section of the top of the clamping rod is in the shape of an inverted triangle.
Optionally, the cross-sectional dimension of the bottom of the limiting block is smaller than or equal to the cross-sectional shape dimension of the trapezoidal groove.
Compared with the prior art, the invention has the following advantages:
1. according to the invention, one incomplete gear rotatably connected with the bottom of the fixed vertical plate is driven to rotate by the rotating dial wheel, the other incomplete gear is driven to rotate by the incomplete gear, the incomplete gear is connected with the first connecting rod, the top of the first connecting rod is rotatably connected with the second connecting rod to drive the two clamping jaws to approach towards the supporting plate through the limiting frames along the graduated scale, when the two clamping jaws clamp a steel bar with a required diameter, the limiting spring is forced to drive the limiting block to be downwards clamped and embedded in the trapezoidal groove formed in the surface of the limiting rod through rotating the set screw, and at the moment, the diameter of the steel bar to be measured can be measured by reading the graduated scale difference between the two limiting frames, so that the problems that the clamping jaws are loosened due to self negligence of operators or the diameter data of the measured steel bar is smaller or.
2. The jack catch of measuring pincers inner wall surface corrosion leads to inner wall surface unevenness after long-time, just can lead to great error when using this jack catch to measure the reinforcing bar diameter, need polish or change the jack catch this moment, through upwards pulling bayonet lock, the bayonet lock drives the protruding pole rebound and forces the movable rod to slide along the outer edge of connecting block, the movable rod forces the chucking rod to rotate along the horizontal connecting rod, thereby can make the jack catch break away from with the connecting block easily, the convenient jack catch of polishing or more renewing to the jack catch inner wall of dismantling.
3. When the measuring pliers are used for detaching the clamping jaws which are used for polishing the inner walls of the clamping jaws or replacing the clamping jaws, the accuracy of the clamping jaws needs to be re-calibrated, the inner wall of one side, close to the shifting wheel, of the measuring pliers is movably connected with a movable plate, the middle position of the movable plate is fixedly connected with a standard measuring block which is calibrated by 10 millimeters through a calibration screw and a measuring block fixing rod, the standard measuring block is detached from the movable plate, the standard measuring block is installed on a correcting rod through the calibration screw, the shifting wheel is rotated to enable the clamping jaws to clamp the standard measuring block to observe whether the scale difference of the graduated scale between the two limiting frames is 10 millimeters, and whether the clamping.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of a partial structure of the claw and the connecting block which are matched with each other;
FIG. 3 is a partial schematic view of the jaw;
FIG. 4 is a schematic view of a partial structure of the stop frame;
FIG. 5 is a schematic view of a partial structure at A-A;
FIG. 6 is a partial structural view of B-B.
In the figure: the device comprises 1 jaw, 2 support rods, 3 shells, 4 pull plates, 5 movable plates, 6 thumb wheels, 7U-shaped grooves, 8 scales, 9 correction rods, 10 connecting folding rods, 11 limiting frames, 12 set screws, 13 limiting rods, 14 round holes, 15 first connecting rods, 16 fixed vertical plates, 17 second connecting rods, 18 driving rods, 19 incomplete gears, 20 trapezoidal grooves, 21 limiting springs, 22 limiting blocks, 23 clamping springs, 24 horizontal connecting rods, 25 connecting blocks, 26 movable rods, 27 pull pins, 28 positioning columns, 29 oblique notches, 30 clamping rods, 31 return springs, 33 convex rods, 34 guide rails, 35 calibration screws, 36 measuring blocks, 37 rectangular grooves, 38 measuring block fixing rods and 39 inner screw cylinders.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Referring to fig. 1-6, a road and bridge engineering is monitored and is used reinforcing bar diameter measurement pincers, including casing 3, 3 bottom intermediate position fixedly connected with fixed riser 16 of casing, 16 top intermediate position fixedly connected support bars 2 of fixed riser, 2 top fixedly connected with scales 8 of bracing piece, 8 minimum scale interval of scales is the millimeter, 8 range of scales is five centimetres, 8 edges of scales below fixedly connected with gag lever post 13, trapezoidal groove 20 has evenly been seted up to the gag lever post 13 upper surface.
Fixed riser 16 intermediate position rotates and is connected with incomplete gear 19, the shared radian of the 19 teeth of a cogwheel of incomplete gear is sixty degrees, incomplete gear 19 is along pivot one side surface fixedly connected with actuating lever 18, 19 one side fixedly connected with thumb wheel 6 is kept away from to actuating lever 18, casing 3 is close to inner wall fixedly connected with guide rail 34 of thumb wheel 6 one side, guide rail 34 has fly leaf 5 along vertical direction sliding connection, fly leaf 5 top fixedly connected with pulling plate 4, fly leaf 5 intermediate position swing joint has gage block dead lever 38, gage block dead lever 38 intermediate position fixedly connected with gage block 36, two planes about the gage block 36 are smooth level and smooth measuring face, the horizontal distance of two measuring faces is ten millimeters.
The rectangular channel 37 is opened along gauge block 36 both sides to gauge block dead lever 38, there is incomplete gear 19 one end fixedly connected with second connecting rod 17, second connecting rod 17 is kept away from incomplete gear 19 one end and is rotated and be connected with head rod 15, head rod 15 top is rotated and is connected with and connects a pole 10, connect a pole 10 top fixedly connected with connecting block 25, connecting block 25 one side fixedly connected with chucking spring 23, chucking spring 23 keeps away from connecting block 25 one side fixedly connected with chucking pole 30, connecting block 25 intermediate position one side fixedly connected with horizontal connecting rod 24.
One side of the horizontal connecting rod 24, which is far away from the connecting block 25, is rotatably connected to the middle position of the clamping rod 30, the middle position of the top of the connecting block 25 is fixedly connected with a return spring 31, the bottom of the return spring 31 is fixedly connected with a convex rod 33, the cross section of the bottom of the convex rod 33 is in an isosceles trapezoid shape, and the base angle of the isosceles trapezoid is equal to the oblique angle of the oblique notch 29 at one end of the movable rod 26; the pull pin 27 is fixedly connected to the lower portion of the convex rod 33 close to the return spring 31, the movable rod 26 is slidably connected to the bottom of the connecting block 25 close to the lower portion of the convex rod 33, and the inclined notch 29 is formed in one end, close to the convex rod 33, of the movable rod 26.
One end, far away from the convex rod 33, of the movable rod 26 is movably connected to the clamping rod 30, the cross section of the top of the clamping rod 30 is in an inverted triangle shape, the middle position of the top of the connecting block 25 is fixedly connected with a positioning column 28, the top of the positioning column 28 is connected with a clamping jaw 1 in a sliding mode, the middle position of the clamping jaw 1 is fixedly connected with a limiting frame 11, the top of the limiting frame 11 is provided with a U-shaped groove 7, the U-shaped groove 7 is connected with an inner screw barrel 39 in a sliding mode along the horizontal direction, the inner screw barrel 39 is rotatably connected with a set screw 12 along the vertical direction, the bottom of the set screw 12 is fixedly connected with a limiting spring 21, the bottom of the; the bottom of the limiting frame 11 is fixedly connected with a straightening rod 9, and the bottom of the straightening rod 9 is provided with a round hole 14.
The working principle is as follows:
when the measuring clamp is required to be used for measuring the steel bar with the required diameter, the shifting wheel 6 is rotated, the shifting wheel 6 drives the incomplete gear 19 connected to the middle position of the fixed vertical plate 16 to rotate, the incomplete gear 19 simultaneously drives the other incomplete gear 19 connected to the middle position of the fixed vertical plate 16 to rotate, one end of the incomplete gear 19 is fixedly connected with a first connecting rod 15, the first connecting rod 15 drives the jaw 1 movably connected to the top of the connecting folding rod 10 through a second connecting rod 17 to slide along the U-shaped groove 7 formed in the upper surface of the limiting frame 11 and horizontally slide along the graduated scale 8, the jaws 1 on two sides of the supporting rod 2 are not continuously close to the supporting rod 2 to finally clamp the steel bar with the diameter to be measured, at the moment, the rotary set screw 12 forces the limiting block 22 to be clamped into the upper surface of the graduated scale 8 through the limiting spring 21, and the operator can conveniently measure the scale difference of the graduated scale 8 between the two limiting frames The diameter of the rebar.
When needs are polished or are changed jack catch 1, through upwards pulling bayonet lock 27, bayonet lock 27 drives nose bar 33 rebound, nose bar 33 meanwhile compresses the reset spring 31 at the top of fixed connection nose bar 33 and forces sliding connection to slide in the outside of connecting block 25 at the movable rod 26 of connecting block 25 bottom, movable rod 26 forces the jack catch rod 29 to rotate along horizontal connecting rod 24, jack catch rod 29 compresses jack catch spring 23 to the inboard pivoted of connecting block 25 simultaneously, thereby can make jack catch 1 break away from with jack catch rod 29, the jack catch that conveniently polishes or more renew the jack catch of the jack catch inner wall that dismantles.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (10)
1. The utility model provides a road and bridge engineering is monitored and is used reinforcing bar diameter measurement pincers, includes casing (3), its characterized in that, casing (3) bottom intermediate position fixedly connected with fixed riser (16), fixed riser (16) top intermediate position fixedly connected support pole (2), bracing piece (2) top fixedly connected with scale (8), fixed riser (16) intermediate position rotates and is connected with incomplete gear (19), incomplete gear (19) along pivot one side surface fixedly connected with actuating lever (18), incomplete gear (19) one side fixedly connected with thumb wheel (6) is kept away from in actuating lever (18), the inner wall fixedly connected with guide rail (34) that casing (3) are close to thumb wheel (6) one side, guide rail (34) along vertical direction sliding connection have fly leaf (5), fly leaf (5) top fixedly connected with pulling plate (4), the middle position of the movable plate (5) is movably connected with a measuring block fixing rod (38), the middle position of the measuring block fixing rod (38) is fixedly connected with a measuring block (36), the measuring block fixing rod (38) is provided with a rectangular groove (37) along two sides of the measuring block (36), one end of the incomplete gear (19) is fixedly connected with a second connecting rod (17), one end of the second connecting rod (17) far away from the incomplete gear (19) is fixedly connected with a first connecting rod (15), the top of the first connecting rod (15) is rotatably connected with a connecting folding rod (10), the top of the connecting folding rod (10) is fixedly connected with a connecting block (25), one side of the connecting block (25) is fixedly connected with a clamping spring (23), one side of the clamping spring (23) far away from the connecting block (25) is fixedly connected with a clamping rod (30), one side of the middle position of the connecting, horizontal connecting rod (24) are kept away from connecting block (25) one side and are rotated and connect in chucking pole (30) intermediate position, connecting block (25) top intermediate position fixedly connected with reset spring (31).
2. The steel bar diameter measuring pliers for road and bridge engineering supervision according to claim 1, wherein a protruding rod (33) is fixedly connected to the bottom of the return spring (31), a pull pin (27) is fixedly connected to the position, close to the return spring (31), of the protruding rod (33), a movable rod (26) is slidably connected to the position, close to the position, of the bottom of the connecting block (25), one end, far away from the protruding rod (33), of the movable rod (26) is movably connected to the clamping rod (30), a positioning column (28) is fixedly connected to the middle position of the top of the connecting block (25), the top of the positioning column (28) is slidably connected to the clamping jaw (1), a limiting frame (11) is fixedly connected to the middle position of the clamping jaw (1), a U-shaped groove (7) is formed in the top of the limiting frame (11), the U-shaped groove (7) is slidably connected to an inner screw cylinder (39) in the horizontal direction, the inner screw cylinder (, set screw (12) bottom fixedly connected with spacing spring (21), spacing spring (21) bottom fixedly connected with stopper (22), spacing frame (11) bottom fixedly connected with levelling rod (9), open there is round hole (14) levelling rod (9) bottom.
3. The reinforcement diameter measuring pliers for road and bridge engineering supervision as claimed in claim 2, wherein the minimum scale value of the graduated scale (8) is millimeter, the measuring range of the graduated scale (8) is five centimeters, and one end of the movable rod (26) close to the convex rod (33) is provided with a bevel notch (29).
4. The pliers according to claim 3, wherein the cross-section of the bottom of the protruding rod (33) is isosceles trapezoid, and the base angle of the isosceles trapezoid is equal to the bevel angle of the bevel cut (29) at one end of the movable rod (26).
5. The steel bar diameter measuring pliers for road and bridge engineering supervision according to claim 1, wherein the graduated scale (8) is fixedly connected with a limiting rod (13) along the lower part of the graduation, and trapezoidal grooves (20) are uniformly formed in the upper surface of the limiting rod (13).
6. The pliers according to claim 1, wherein the radian occupied by the teeth of the incomplete gear (19) is sixty degrees.
7. The steel bar diameter measuring pliers for road and bridge engineering supervision according to claim 1, wherein the left and right planes of the gauge block (36) are smooth and flat measuring surfaces, and the horizontal distance between the two measuring surfaces is ten millimeters.
8. The steel bar diameter measuring pliers for road and bridge engineering supervision according to claim 1, wherein the number of said clamping springs (23) is four, two of said clamping springs are set in a group, and two groups of said clamping springs (23) are respectively fixedly connected to two sides of the connecting block (25).
9. The pliers according to claim 1, wherein the cross-sectional shape of the top of the clamping rod (30) is an inverted triangle.
10. The steel bar diameter measuring pliers for road and bridge engineering supervision according to claim 2, characterized in that the cross-sectional dimension of the bottom of the limiting block (22) is smaller than or equal to the cross-sectional dimension of the trapezoidal groove (20).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010909883.3A CN111981948B (en) | 2020-09-02 | 2020-09-02 | Road and bridge engineering is managed and is measured pincers with reinforcing bar diameter |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010909883.3A CN111981948B (en) | 2020-09-02 | 2020-09-02 | Road and bridge engineering is managed and is measured pincers with reinforcing bar diameter |
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| CN111981948A true CN111981948A (en) | 2020-11-24 |
| CN111981948B CN111981948B (en) | 2022-02-01 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114526656A (en) * | 2021-12-22 | 2022-05-24 | 杭州塔桅检测技术有限公司 | Steel section size detection device |
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