CN216899916U - Device for detecting elongation after fracture of steel bar - Google Patents
Device for detecting elongation after fracture of steel bar Download PDFInfo
- Publication number
- CN216899916U CN216899916U CN202122496592.9U CN202122496592U CN216899916U CN 216899916 U CN216899916 U CN 216899916U CN 202122496592 U CN202122496592 U CN 202122496592U CN 216899916 U CN216899916 U CN 216899916U
- Authority
- CN
- China
- Prior art keywords
- steel bar
- rods
- fixed column
- threaded rod
- elongation
- 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.)
- Expired - Fee Related
Links
- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 36
- 239000010959 steel Substances 0.000 title claims abstract description 36
- 238000001514 detection method Methods 0.000 claims abstract description 4
- 230000002457 bidirectional effect Effects 0.000 claims description 21
- 229910001294 Reinforcing steel Inorganic materials 0.000 claims description 20
- 230000003014 reinforcing effect Effects 0.000 claims description 17
- 238000005259 measurement Methods 0.000 claims description 11
- 230000005540 biological transmission Effects 0.000 claims description 4
- 230000007547 defect Effects 0.000 abstract description 3
- 239000004566 building material Substances 0.000 abstract description 2
- 239000011150 reinforced concrete Substances 0.000 description 3
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000011179 visual inspection Methods 0.000 description 1
Images
Landscapes
- A Measuring Device Byusing Mechanical Method (AREA)
Abstract
The utility model relates to the technical field of building material detection, and discloses a device for detecting elongation after fracture of a steel bar, which comprises a fixed base, wherein a steel bar stretching measuring mechanism is arranged above the fixed base, a diameter measuring mechanism is arranged above the steel bar stretching measuring mechanism, the steel bar stretching measuring mechanism comprises a rotating motor, a spur gear, a fixed column A, a gear plate, a threaded rod, a fixed column B and a clamping plate, the fixed column A is fixedly arranged on the fixed base, a rectangular hole is formed in the fixed column, a groove is formed in the fixed base, one end of the gear plate penetrates through the rectangular hole to be connected in the groove in a sliding mode, the fixed column B is fixedly arranged on the gear plate, and the rotating motor is fixedly arranged above the fixed base. The utility model solves the defect that the elongation after fracture of the steel bar needs to be taken down and measured separately in the prior art, and can directly measure the diameter of the broken steel bar.
Description
Technical Field
The utility model relates to the technical field of building material detection, in particular to a device for detecting the elongation after fracture of a steel bar.
Background
The cross section of the steel for reinforced concrete and prestressed reinforced concrete is circular, and sometimes square with round corners. The HRB500E steel bar is a hot-rolled ribbed IV-grade steel bar specified in the national standard GB1499.2-2018 Hot-rolled ribbed steel bar for reinforced concrete, which is called a four-grade steel bar, and has the yield strength of not less than 500Mpa and the diameter of generally 6-100 mm. When the HRB500E type steel bar is produced and processed, the steel bar needs to be checked, and the yield strength of the steel bar is generally tested by a tensile tester during the check.
Usually, when the elongation of the steel bar is detected, firstly, a gauge mark is left on the surface of the steel bar, then, after the steel bar is broken, the steel bar is independently and flatly placed on an operation table for splicing, after the splicing is completely performed through visual inspection, the length is measured by using a vernier caliper to touch the gauge mark, and finally, the elongation is calculated. The reinforcing bar is mostly the cylinder, because two ports after the reinforcing bar broke are uneven, if the reinforcing bar is not bound when splicing, when using slide caliper to touch and measure the elongation, will lead to the reinforcing bar to roll the unstability easily to the concatenation is not tight, influences the accuracy of measured data.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a device for detecting the elongation after fracture of a steel bar, which overcomes the defect that the elongation after fracture of the steel bar needs to be taken down for additional measurement in the prior art and can directly measure the diameter after fracture of the steel bar.
In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a reinforcing bar percentage elongation detection device after rupture, includes unable adjustment base, unable adjustment base's top is provided with tensile measuring mechanism of reinforcing bar, tensile measuring mechanism of reinforcing bar's top is provided with diameter measurement mechanism, tensile measuring mechanism of reinforcing bar includes rotating electrical machines, spur gear, fixed column A, gear plate, the threaded rod, fixed column B, the pinch-off blades, fixed column A fixed mounting is on unable adjustment base, be provided with the rectangular hole on the fixed column, the last recess that is provided with of unable adjustment base, the one end of gear plate is passed rectangular hole sliding connection is in the recess, fixed column B fixed mounting be in on the gear plate, rotating electrical machines fixed mounting is in unable adjustment base's top, the fixed outer wall at the rotating electrical machines transmission shaft of spur gear, spur gear and gear plate meshing.
Preferably, the number of the threaded rods is four, the number of the clamping plates is two, and the two clamping plates are respectively in threaded connection with the fixing column A and the fixing column B through the two threaded rods. Through two fixed clamp plates of four threaded rods, the reinforcing steel bar is clamped on the fixed column A and the fixed column B, so that the stability is ensured during stretching.
Preferably, anti-skidding grooves are formed in the tops of the fixed column A and the fixed column B, anti-skidding grooves are formed in the bottoms of the two clamping plates, reinforcing steel bars are arranged between the fixed column A and the clamping plates and between the fixed column B and the clamping plates, and a graduated scale is arranged in front of the fixed base. Through the antiskid groove that sets up, when having improved the tight reinforcing bar of clamp, be difficult for sliding.
Preferably, the diameter measuring mechanism comprises a sliding table, two sliding rods, clamping rods, limiting rods, two-way threaded rods, a handle and two supporting frames, the two supporting frames are fixedly mounted at two ends of the fixed base respectively and far away from the fixed column A and the fixed column B, the two sliding rods are arranged in number, two ends of the two sliding rods are respectively inserted into the two supporting frames, and the sliding table is sleeved on the outer walls of the two sliding rods and movably connected with the sliding rods. Through diameter measurement mechanism, diameter after can the direct measurement reinforcing bar breaks has improved measurement accuracy, can remove the measurement position through the slip table that sets up on the slide bar, improves work efficiency.
Preferably, the sliding table is of a U-shaped structure, a first bearing is arranged on the inner wall of the U-shaped structure, one end of the bidirectional threaded rod penetrates through the inner wall of the sliding table and extends inwards, the extending end of the bidirectional threaded rod is connected with the sliding table in a rotating mode through the inner wall of the first bearing in an inserting mode, and the handle is fixedly connected to the other end of the bidirectional threaded rod. Through setting up the handle on two-way threaded rod, the threaded rod of being convenient for wrench movement improves the simple operation.
Preferably, the limiting rod is inserted into the inside of the U-shaped structure of the sliding table and is located above the bidirectional threaded rod, the number of the clamping rods is two, the two clamping rods are respectively in threaded connection with the outer wall of the bidirectional threaded rod, and the clamping rods are slidably sleeved on the outer wall of the limiting rod. Through the two sets of clamping bars that set up, the direct clamping reinforcing bar measures the distance between two clamping bars, can obtain the diameter of reinforcing bar.
The utility model provides a device for detecting the elongation of a broken steel bar. The method has the following beneficial effects:
(1) the reinforcing steel bar stretching measurement mechanism can directly measure the reinforcing steel bar after the reinforcing steel bar is broken, the defect of taking off the measurement is not needed, the convenience and the accuracy of the measurement are improved, and the reinforcing steel bar is clamped on the fixed column A and the fixed column B by fixing the two clamping plates through the four threaded rods, so that the stability is ensured when the reinforcing steel bar is stretched.
(2) Through the diameter measuring mechanism, the diameter of the steel bar can be conveniently measured after the steel bar is broken, and the accuracy of data after the steel bar is broken is conveniently compared.
Drawings
FIG. 1 is a front view of the present invention;
FIG. 2 is a top view of the present invention;
fig. 3 is a side view of the present invention.
In the figure: 1. a fixed base; 2. a graduated scale; 3. a reinforcing steel bar stretching measurement mechanism; 301. a rotating electric machine; 302. a spur gear; 303. fixing a column A; 304. a gear plate; 305. a threaded rod; 306. fixing a column B; 307. a clamping plate; 4. reinforcing steel bars; 5. a diameter measuring mechanism; 501. a sliding table; 502. a slide bar; 503. a clamping bar; 504. a limiting rod; 505. a bidirectional threaded rod; 506. a handle; 507. a support frame.
Detailed Description
As shown in fig. 1-3, the present invention provides a technical solution: a device for detecting the elongation percentage of a broken steel bar comprises a fixed base 1, a steel bar stretching measuring mechanism 3 is arranged above the fixed base 1, a diameter measuring mechanism 5 is arranged above the steel bar stretching measuring mechanism 3, the diameter measuring mechanism 5 comprises a sliding table 501, sliding rods 502, clamping rods 503, a limiting rod 504, a bidirectional threaded rod 505, a handle 506, supporting frames 507, the number of the supporting frames 507 is two, the two supporting frames 507 are fixedly arranged at the two ends of the fixed base 1 respectively and far away from a fixed column A303 and a fixed column B306, the number of the sliding rods 502 is two, the two ends of the two sliding rods 502 are inserted into the two supporting frames 507 respectively, the sliding table 501 is sleeved on the outer walls of the two sliding rods 502 and movably connected with the sliding rods 502, the diameter of the broken steel bar 4 can be directly measured through the diameter measuring mechanism 5, the measuring precision is improved, the measuring position can be moved through the sliding table 501 arranged on the sliding rods 502, the working efficiency is improved, the sliding table 501 is a U-shaped structure, a first bearing is arranged on the inner wall of the U-shaped structure, one end of a bidirectional threaded rod 505 penetrates through the inner wall of the sliding table 501 and extends inwards, the extending end of the bidirectional threaded rod 505 is inserted into the inner wall of the first bearing and is connected with the sliding table 501 in a rotating mode, a handle 506 is fixedly connected to the other end of the bidirectional threaded rod 505, the bidirectional threaded rod 505 can be conveniently twisted through the handle arranged on the bidirectional threaded rod 505, the operation convenience is improved, the limiting rods 504 are inserted into the U-shaped structure of the sliding table 501 and are located above the bidirectional threaded rod 505, the number of the clamping rods 503 is two, the two clamping rods 503 are respectively in threaded connection with the outer wall of the bidirectional threaded rod 505, the clamping rods 503 are sleeved on the outer wall of the limiting rods 504 in a sliding mode, the distance between the two clamping rods 503 is measured, and the diameter of the reinforcing steel bar 4 can be obtained, the reinforcing steel bar stretching measuring mechanism 3 comprises a rotary motor 301, a spur gear 302, a fixed column A303, a gear plate 304, a threaded rod 305, a fixed column B306 and a clamping plate 307, wherein the fixed column A303 is fixedly installed on a fixed base 1, a rectangular hole is formed in the fixed column 1, a groove is formed in the fixed base 1, one end of the gear plate 304 penetrates through the rectangular hole to be connected in the groove in a sliding mode, the fixed column B306 is fixedly installed on the gear plate 304, the rotary motor 301 is fixedly installed above the fixed base 1, the spur gear 302 is fixedly sleeved on the outer wall of a transmission shaft of the rotary motor 301, the spur gear 302 is meshed with the gear plate 304, the number of the threaded rods 305 is four, the number of the clamping plates 307 is two, the two clamping plates 307 are respectively in threaded connection with the fixed column A303 and the fixed column B306 through the two threaded rods 305, and the reinforcing steel bar 4 is clamped on the fixed column A303 and the fixed column B306 through the two clamping plates 307 fixed rods 305, when making tensile, guaranteed stability, the top of fixed column A303 and fixed column B306 is provided with anti-skidding groove, and the bottom of two clamp plates 307 is provided with anti-skidding groove, is provided with reinforcing bar 4 between fixed column A303 and the clamp plate 307 and between fixed column B306 and the clamp plate 307, and the place ahead of unable adjustment base 1 is provided with scale 2, through the anti-skidding groove that sets up, when having improved and pressing from both sides tight reinforcing bar 4, is difficult for sliding.
When the device is used, a reinforcing steel bar 4 is placed on a fixed column A303 and a fixed column B306, the four threaded rods 305 penetrate through a clamping plate 307 and are in threaded connection with the fixed column A303 and the fixed column B306, the reinforcing steel bar 4 is clamped, then a rotating motor 301 is turned on, as a spur gear 302 and a gear plate 304 on a transmission shaft of the rotating motor 301 are meshed, the gear plate 304 moves on a fixed base 1, the spur gear 302 moves, the reinforcing steel bar 4 is pulled off, the numerical value on a graduated scale 2 is read, then the rotation of a bidirectional threaded rod 505 is adjusted through a rotating handle 506 by moving a sliding table 501, the position of a limiting rod 504 is limited, the clamping rods 503 are adjusted to be close to each other to clamp the reinforcing steel bar 4, and the diameter of the reinforcing steel bar 4 is directly measured by measuring the distance between the two clamping rods 503.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a reinforcing bar elongation detection device after breaking, includes unable adjustment base (1), the top of unable adjustment base (1) is provided with tensile measuring mechanism of reinforcing bar (3), the top of tensile measuring mechanism of reinforcing bar (3) is provided with diameter measurement mechanism (5), its characterized in that: the reinforcing steel bar stretching measuring mechanism (3) comprises a rotating motor (301), a spur gear (302), a fixing column A (303), a gear plate (304), a threaded rod (305), a fixing column B (306) and a clamping plate (307), wherein the fixing column A (303) is fixedly installed on a fixed base (1), a rectangular hole is formed in the fixing column A (303), a groove is formed in the fixed base (1), one end of the gear plate (304) penetrates through the rectangular hole and is in sliding connection in the groove, the fixing column B (306) is fixedly installed on the gear plate (304), the rotating motor (301) is fixedly installed above the fixed base (1), the spur gear (302) is fixedly sleeved on the outer wall of a transmission shaft of the rotating motor (301), and the spur gear (302) is meshed with the gear plate (304).
2. The device for detecting the elongation after fracture of the reinforcing steel bar as claimed in claim 1, wherein: the number of the threaded rods (305) is four, the number of the clamping plates (307) is two, and the two clamping plates (307) are respectively in threaded connection with the fixed column A (303) and the fixed column B (306) through the two threaded rods (305).
3. The device for detecting the elongation after fracture of the steel bar according to claim 2, wherein: anti-skidding grooves are formed in the tops of the fixed column A (303) and the fixed column B (306), anti-skidding grooves are formed in the bottoms of the two clamping plates (307), reinforcing steel bars (4) are arranged between the fixed column A (303) and the clamping plates (307) and between the fixed column B (306) and the clamping plates (307), and a graduated scale (2) is arranged in front of the fixed base (1).
4. The device for detecting the elongation after fracture of the steel bar according to claim 1, wherein: the diameter measuring mechanism (5) comprises a sliding table (501), sliding rods (502), clamping rods (503), limiting rods (504), a bidirectional threaded rod (505), handles (506) and supporting frames (507), wherein the number of the supporting frames (507) is two, the two supporting frames (507) are respectively and fixedly mounted at two ends of the fixed base (1) and far away from the fixed column A (303) and the fixed column B (306), the number of the sliding rods (502) is two, two ends of the two sliding rods (502) are respectively inserted into the two supporting frames (507), and the sliding table (501) is sleeved on the outer wall of the two sliding rods (502) and movably connected with the sliding rods (502).
5. The device for detecting the elongation after fracture of the steel bar according to claim 4, wherein: the sliding table (501) is of a U-shaped structure, a first bearing is arranged on the inner wall of the U-shaped structure, one end of the bidirectional threaded rod (505) penetrates through the inner wall of the sliding table (501) and extends inwards, the extending end of the bidirectional threaded rod (505) is connected with the sliding table (501) in a rotating mode, the inner wall of the first bearing is connected with the sliding table (501) in a inserting mode, and the handle (506) is fixedly connected to the other end of the bidirectional threaded rod (505).
6. The device for detecting the elongation after fracture of the steel bar according to claim 5, wherein: the limiting rod (504) is inserted into the U-shaped structure of the sliding table (501) and is located above the bidirectional threaded rod (505), the number of the clamping rods (503) is two, the two clamping rods (503) are respectively in threaded connection with the outer wall of the bidirectional threaded rod (505), and the clamping rods (503) are slidably sleeved on the outer wall of the limiting rod (504).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122496592.9U CN216899916U (en) | 2021-10-18 | 2021-10-18 | Device for detecting elongation after fracture of steel bar |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122496592.9U CN216899916U (en) | 2021-10-18 | 2021-10-18 | Device for detecting elongation after fracture of steel bar |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216899916U true CN216899916U (en) | 2022-07-05 |
Family
ID=82195530
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122496592.9U Expired - Fee Related CN216899916U (en) | 2021-10-18 | 2021-10-18 | Device for detecting elongation after fracture of steel bar |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216899916U (en) |
-
2021
- 2021-10-18 CN CN202122496592.9U patent/CN216899916U/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN211904920U (en) | Novel tensile bending test machine | |
| CN103698212B (en) | A kind of the coefficient of normal anisortopy Direct Determination of tubing hoop | |
| CN212110924U (en) | Steel strength detection device for building detection | |
| CN216899916U (en) | Device for detecting elongation after fracture of steel bar | |
| CN212621883U (en) | Laser gauge length instrument for reinforcing steel bar | |
| CN210773746U (en) | Utensil is examined to door sealing strip | |
| CN114526703B (en) | Adjustable mechanical part thickness measurement detection device | |
| CN214372151U (en) | Cardboard thickness short-term test device | |
| CN212363029U (en) | Router shell machining size detection device | |
| CN219532733U (en) | Maximum force total elongation measuring device | |
| CN209763983U (en) | Reinforcing bar crookedness testing arrangement | |
| CN210892952U (en) | Deep hole internal diameter and external diameter measuring tool | |
| CN218470375U (en) | Tensile sample stick detects instrument after breaking | |
| CN220507882U (en) | Tool for supervising and detecting cross section size of beam | |
| CN214407278U (en) | Verifying attachment is used in drill bit production | |
| CN106247906B (en) | A kind of profile overall size measurement tooling and measurement method | |
| CN117419841B (en) | Nondestructive testing equipment and method for residual stress of aluminum plate | |
| CN219390748U (en) | Detection device | |
| CN211234174U (en) | Steel tape indicating error calibrating device | |
| CN219392042U (en) | Road bridge concrete slump test device | |
| CN107702623A (en) | A kind of device of hoisting depth chi measurement capability | |
| CN218067445U (en) | Reinforcing bar performance detection device | |
| CN216523581U (en) | Steel bar diameter detection device for building engineering | |
| CN213179755U (en) | Detection tool structure of automobile window trim | |
| CN211527238U (en) | Electric bicycle front fork precision gauge |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220705 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |