CN217647369U - Laboratory is with coiling sample straightener - Google Patents

Laboratory is with coiling sample straightener Download PDF

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Publication number
CN217647369U
CN217647369U CN202221159270.3U CN202221159270U CN217647369U CN 217647369 U CN217647369 U CN 217647369U CN 202221159270 U CN202221159270 U CN 202221159270U CN 217647369 U CN217647369 U CN 217647369U
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Prior art keywords
sample
arc
clamp plate
backup pad
plate
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CN202221159270.3U
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Chinese (zh)
Inventor
吴黎炯
高秉雄
王军强
贾宏杰
姚强
沈朝辉
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Jiuquan Iron and Steel Group Co Ltd
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Jiuquan Iron and Steel Group Co Ltd
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Abstract

The utility model relates to a coil sample inspection technical field, specifically be a laboratory is with coiling sample straightener, including the hydraulic stem spliced pole, the clamp plate subassembly, backup pad subassembly and sample, arc backup pad is the same with arc clamp plate shape and size, the arc backup pad is parallel with the arc clamp plate, arc clamp plate front side is towards the arc backup pad, hydraulic stem spliced pole rear end is connected with hydraulic means, hydraulic stem spliced pole front end top is on the connecting block, the sample centre gripping is between arc backup pad and arc clamp plate, hydraulic stem spliced pole front end is the bulb, the connecting block rear end is equipped with the dovetail, the bulb top connects in the dovetail, the utility model discloses convenient operation, it is safe and reliable to use, it is little to have ensured the plastic deformation of sample, the aligning process does not harm the sample surface, intensity of labour is not high, improves work efficiency, can be a plurality of samples simultaneously, reduce the artificial aligning, usable current hydraulic equipment reforms transform and reduces the cost of manufacture.

Description

Laboratory is with coiling sample straightener
Technical Field
The utility model relates to a coil sample inspection technical field, specifically be a laboratory is with coiling sample straightener.
Background
Straightening according to "4.2 in" test method for steel for reinforced concrete (GB/T28900-2012) ": for samples taken from coils, simple bend straightening should be performed before any test and minimum plastic deformation is ensured, for tensile tests and bend tests the samples must be straight, for satisfactory straightness, manual or mechanical straightening of the samples is recommended, and for the "content" the coil samples must be straightened before inspection, but different methods of straightening may have different effects on the properties of the samples. At present, the common straightening method in domestic laboratories is manual straightening and straightening by a straightening machine.
In the prior art, when the bending plane of the sample is not perpendicular to the force application direction of the hammer head in the manual straightening process, the sample is twisted, and the head of the sample is easy to scratch a hand for gripping the sample; when the hammer head is used for straightening, the hammer head is easy to throw out when the hammer handle is not tightly gripped or the hammer head is not firmly installed, and the injury to front personnel or facilities can be caused; the manual straightening of operators with poor arm strength is difficult, and the labor intensity is increased sharply; different straightening modes of different operators, such as multipoint low-force straightening or point-less high-force straightening, have different influences on the performance of the sample; if the stress of the hammer head knocking point is overlarge during straightening, the sample is easy to bend reversely and needs to be straightened again reversely, so that the sample has a work hardening effect, and the yield strength of the sample is increased.
The sample is shorter when the straightening machine of the prior art straightens, straighten not ideal enough; in a straightening machine in the prior art, a plurality of rollers are extruded and then pass through a straight die cylinder, the surface of a sample is damaged, and repeated extrusion can cause the sample to deform and harden again, so that the stretching and bending properties are influenced.
The mechanical property of the sample straightened by the straightening method in the prior art is influenced by the defects, the test results have larger difference, and objections are often generated.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a coiled sample straightening device for a laboratory, which is convenient to operate, safe and reliable; ensuring minimum plastic deformation; the surface of the sample is not damaged in the straightening process; the labor intensity is not high; the working efficiency is high; and reducing the artificial deviation.
In order to solve the technical problem, the utility model relates to a laboratory is with coiling sample straightener is including the hydraulic stem spliced pole, clamp plate assembly, supporting plate subassembly and sample, clamp plate assembly is including arc clamp plate and connecting block, connecting block fixed connection is in arc clamp plate middle part rear side, the supporting plate subassembly is including arc backup pad and channel-section steel, the arc backup pad is the same with arc clamp plate shape and size, the arc backup pad is parallel with arc clamp plate, arc clamp plate front side is towards the arc backup pad, channel-section steel fixed connection is at the middle part of one side that deviates from arc clamp plate in the arc backup pad, hydraulic stem spliced pole rear end is connected with hydraulic means, hydraulic stem spliced pole front end top connects on the connecting block, the sample centre gripping is between arc backup pad and arc clamp plate.
The hole of being connected with hydraulic means is equipped with to hydraulic means spliced pole rear end, and hydraulic means stretches out and makes the hydraulic means spliced pole move forward to push up the clamp plate subassembly forward, thereby make the sample flattening and straightening between arc backup pad and arc clamp plate. During straightening, the bending direction of the sample is opposite to the bending direction of the arc-shaped supporting plate and the arc-shaped pressing plate. The supporting plate component is fixed through the channel steel when in use, and the shape of the channel steel suitable for use can be manufactured according to the situation of a use field during actual use.
The arc-shaped pressing plate and the arc-shaped supporting plate can use automobile damping steel plates, and after the arc-shaped pressing plate and the arc-shaped supporting plate extrude and loosen the sample, the sample is straightened by self elastic recovery
Furthermore, the front end of the hydraulic rod connecting column is a ball head, a dovetail groove is formed in the rear end of the connecting block, and the ball head is connected in the dovetail groove in a propping mode.
The ball head and the dovetail groove are arranged, so that when the sample is placed obliquely, and the pressing plate extrudes and bears force unevenly on two ends of the sample, the ball head and the dovetail groove can balance the force of the arc-shaped pressing plate and the arc-shaped supporting plate, so that the pressure is always in the axis direction of the hydraulic rod connecting column, the stress is not transversely acted, and the protection device is not damaged.
Further, including the connecting plate, the connecting plate front end is equipped with through-hole II, is equipped with on the bottom surface of connecting plate rear end and inserts the post, hydraulic stem spliced pole front end be equipped with through-hole I, the connecting block on be equipped with the screw, insert the post and connect in through-hole I, through-hole II is coaxial with the screw, through-hole II passes through bolted connection with the screw.
The setting of connecting plate makes the atress balanced on the one hand be convenient for adjust the direction, and on the other hand can pull back the clamp plate subassembly when making hydraulic stem spliced pole 1 withdraw.
Further, including preventing down anchor clamps, prevent down anchor clamps including the front bezel, back plate distance bolt and puller bolt, front bezel and back plate parallel arrangement, the distance bolt runs through front bezel middle part and back plate middle part, all be equipped with the screw that supplies the distance bolt to pass on front bezel and the back plate, puller bolt passes the back plate top, the back plate top is equipped with the screw that supplies the puller bolt to pass, puller bolt front end top connects on the front bezel, prevent down anchor clamps and connect in backup pad subassembly middle part, sample and arc backup pad centre gripping are between front bezel and back plate, arc clamp plate middle part top connects on the front bezel.
Furthermore, a plurality of samples are arranged and stacked.
When the anti-falling clamp is used for simultaneously straightening a plurality of samples, firstly, the distance bolt is adjusted according to the diameters of the samples to enable the front plate and the rear plate to clamp the samples, and then, the puller bolt is adjusted to enable the front plate and the rear plate to clamp the samples. When using, the samples with the same diameter are selected.
Further, arc clamp plate top surface on fixedly connected with dog I, I shape of dog is L shape, I front end of dog is established in the sample top, dog I is equipped with at least one.
Further, arc backup pad top surface on fixedly connected with dog II, II shapes of dog are the L shape, II front ends of dog are established in the sample top, dog II is equipped with at least one.
The setting of dog I and dog II prevents that the crooked plane of sample from popping out when with the atress direction nonparallel.
Furthermore, the included angle of the dovetail groove is 90 degrees.
Furthermore, the connecting plates are two, the two connecting plates are connected to the upper side and the lower side of the connecting column and the pressing plate assembly respectively, the inserting columns of the two connecting plates are connected into the through holes I, the through holes II of the two connecting plates are connected with the screw holes through bolts, and the through holes II are counter bores.
The beneficial effects of the utility model are that: including the hydraulic stem spliced pole, the clamp plate subassembly, backup pad subassembly and sample, the arc backup pad is the same with arc clamp plate overall dimension, the arc backup pad is parallel with the arc clamp plate, arc clamp plate front side is towards the arc backup pad, hydraulic stem spliced pole rear end is connected with hydraulic means, hydraulic stem spliced pole front end top is on the connecting block, the sample centre gripping is between arc backup pad and arc clamp plate, hydraulic stem spliced pole front end is the bulb, the connecting block rear end is equipped with the dovetail, the bulb top is connected in the dovetail, the utility model discloses convenient operation, it is safe and reliable to use, it is little to have ensured the plastic deformation of sample, the aligning process does not harm the sample surface, and intensity of labour is not high, improves work efficiency, can straighten a plurality of samples simultaneously, reduces artificial deviation, and usable current hydraulic equipment reforms transform and reduces the cost of manufacture.
Drawings
FIG. 1 is a schematic view of the present invention;
fig. 2 is a cross-sectional view of the present invention;
fig. 3 is a sectional view of the hydraulic rod connection column of the present invention;
FIG. 4 is a cross-sectional view of the connection plate of the present invention;
FIG. 5 is a top view of the platen assembly of the present invention;
FIG. 6 is a cross-sectional view of the connection between the pressing plate assembly and the stopper I;
fig. 7 is a top view of the structure of the support plate assembly of the present invention;
FIG. 8 is a cross-sectional view of the junction of the support plate assembly and the second stop of the present invention;
FIG. 9 is a schematic view of the mechanism of the anti-falling clamp of the present invention
In the figure: 1. a hydraulic rod connecting column; 101. a ball head; 102. a through hole I; 2. a connecting plate; 201. a through hole II; 202. inserting a column; 3. a platen assembly; 301. an arc-shaped pressing plate; 302. connecting blocks; 303. a dovetail groove; 304. a screw hole; 305. a stop block I; 4. a support plate assembly; 401. an arc-shaped support plate; 402. channel steel; 403. a stop block II; 5. a sample; 6. an anti-falling clamp; 601. a front plate; 602. a rear plate; 603. a distance bolt; 604. and (6) tightening the bolt.
Detailed Description
As shown in fig. 1-9, the utility model relates to a laboratory is with coiling sample straightener 1, clamp plate assembly 3, backup pad assembly 4 and sample 5, clamp plate assembly 3 is including arc clamp plate 301 and connecting block 302, connecting block 302 fixed connection is in arc clamp plate 301 middle part rear side, backup pad assembly 4 is including arc backup pad 401 and channel-section steel 402, arc backup pad 401 is the same with arc clamp plate 301 shape and size, arc backup pad 401 is parallel with arc clamp plate 301, arc clamp plate 301 front side is towards arc backup pad 401, channel-section steel 402 fixed connection is at the middle part of one side that arc backup pad 401 deviates from arc clamp plate 301, 1 rear end of hydraulic stem spliced pole is connected with hydraulic means, 1 front end butt of hydraulic stem spliced pole is on connecting block 302, 5 centre gripping of sample is between arc backup pad 401 and arc clamp plate 301.
Furthermore, the front end of the hydraulic rod connecting column 1 is a ball head 101, the rear end of the connecting block 302 is provided with a dovetail groove 303, and the ball head 101 is connected in the dovetail groove 303 in a propping manner.
Further, including connecting plate 2, 2 front ends of connecting plate are equipped with through-hole II 201, are equipped with on the bottom of 2 rear ends of connecting plate and insert post 202, 1 front end of hydraulic stem spliced pole be equipped with through-hole I102, connecting block 302 on be equipped with screw 304, insert post 202 and connect in through-hole I102, through-hole II 201 is coaxial with screw 304, through-hole II 201 passes through bolted connection with screw 304.
Further, including preventing down anchor clamps 6, prevent down anchor clamps 6 including front plate 601, back plate 602 distance bolt 603 and puller bolt 604, front plate 601 and back plate 602 parallel arrangement, distance bolt 603 runs through front plate 601 middle part and back plate 602 middle part, all be equipped with the screw that supplies distance bolt 603 to pass on front plate 601 and the back plate 602, puller bolt 604 passes back plate 602 top, the back plate 602 top is equipped with the screw that supplies puller bolt 604 to pass, puller bolt 604 front end top is on front plate 601, prevent down anchor clamps 6 and connect in backup pad subassembly 4 middle part, sample 5 and arc backup pad 401 centre gripping are between front plate 601 and back plate 602, arc clamp 301 middle part top is on front plate 601.
Further, a plurality of samples 5 are provided, and the plurality of samples 5 are stacked.
Further, arc clamp plate 301 top surface on fixedly connected with dog I305, dog I305 shape is the L shape, dog I305 front end is established in the sample 5 top, dog I305 is equipped with at least one.
Furthermore, a stop II 403 is fixedly connected to the top surface of the arc-shaped support plate 401, the stop II 403 is L-shaped, the front end of the stop II 403 is arranged above the sample 5, and at least one stop II 403 is arranged.
Further, the included angle of the dovetail groove 303 is 90 °.
Further, connecting plate 2 be equipped with two, two connecting plates 2 are connected respectively in the upper and lower both sides of spliced pole 1 and clamp plate assembly 3, two connecting plates 2 insert post 202 and all connect in through-hole I102, two connecting plates 2's through-hole II 201 all pass through bolted connection with screw 304, through-hole II 201 be the counter bore.
The hole of being connected with hydraulic means is equipped with to hydraulic means spliced pole 1 rear end, and hydraulic means stretches out and makes hydraulic means spliced pole 1 move forward to push up pressure plate subassembly 3 forward, thereby make sample 5 flatten the straightening between arc backup pad 401 and arc clamp plate 301. During straightening, the bending direction of the sample 5 is opposite to the bending direction of the arc-shaped support plate 401 and the arc-shaped pressure plate 301.
The support plate unit 4 is fixed by the channel 402 in use, and the shape of the channel 402 suitable for use can be made in actual use according to the situation of the use site.
The arrangement of the ball head 101 and the dovetail groove 303 enables the sample to be placed obliquely, and when the pressing plate extrudes and is stressed unevenly on two ends of the sample 5, the ball head 101 and the dovetail groove 303 can balance stress of the arc-shaped pressing plate 301 and the arc-shaped supporting plate 401, so that pressure is always in the axial direction of the hydraulic rod connecting column 1, the stress is not applied transversely, and the protection device is not damaged.
The arc-shaped pressing plate 301 and the arc-shaped supporting plate 401 can use automobile damping steel plates, and after the arc-shaped pressing plate 301 and the arc-shaped supporting plate 401 extrude and release the sample 5, the sample 5 is straightened by self elastic recovery
The setting of connecting plate 2 is convenient for adjust the direction on the one hand and makes the atress balanced, and on the other hand can pull back pressure plate assembly 3 when making hydraulic stem spliced pole 1 withdraw.
The arrangement of the first stop 305 and the second stop 403 prevents the test sample 5 from popping up when the bending plane is not parallel to the stress direction.
When a plurality of samples 5 can be straightened simultaneously, the anti-falling clamp 6 can be used for clamping, when in use, firstly, the distance bolts 603 are adjusted according to the diameters of the samples 5, so that the front plate 601 and the rear plate 602 clamp the samples 5, and then the puller bolts 604 are adjusted, so that the front plate 601 and the rear plate 602 clamp the plurality of samples 5. In use, a plurality of samples 5 having the same diameter are selected.

Claims (9)

1. The utility model provides a laboratory is with coiling sample straightener which characterized in that: including hydraulic stem spliced pole (1), clamp plate subassembly (3), supporting plate subassembly (4) and sample (5), clamp plate subassembly (3) are including arc clamp plate (301) and connecting block (302), connecting block (302) fixed connection is in arc clamp plate (301) middle part rear side, supporting plate subassembly (4) are including arc backup pad (401) and channel-section steel (402), arc backup pad (401) are the same with arc clamp plate (301) shape size, arc backup pad (401) are parallel with arc clamp plate (301), arc clamp plate (301) front side is towards arc backup pad (401), channel-section steel (402) fixed connection is at the middle part of one side that arc backup pad (401) deviates from arc clamp plate (301), hydraulic stem spliced pole (1) rear end is connected with hydraulic means, hydraulic stem spliced pole (1) front end top is on connecting block (302), sample (5) centre gripping is between arc backup pad (401) and arc clamp plate (301).
2. The laboratory coil sample straightener as claimed in claim 1 wherein: the hydraulic rod connecting column is characterized in that the front end of the hydraulic rod connecting column (1) is a ball head (101), a dovetail groove (303) is formed in the rear end of the connecting block (302), and the ball head (101) is connected in the dovetail groove (303) in a propping mode.
3. A laboratory coiled sample straightener as claimed in claim 2 wherein: including connecting plate (2), connecting plate (2) front end is equipped with through-hole II (201), is equipped with on connecting plate (2) rear end bottom surface and inserts post (202), hydraulic stem spliced pole (1) front end be equipped with through-hole I (102), connecting block (302) on be equipped with screw (304), insert post (202) and connect in through-hole I (102), through-hole II (201) is coaxial with screw (304), through-hole II (201) passes through bolted connection with screw (304).
4. A laboratory coiled sample straightener as claimed in claim 3 wherein: including preventing down anchor clamps (6), prevent down anchor clamps (6) including front bezel (601), back plate (602) distance bolt (603) and puller bolt (604), front bezel (601) and back plate (602) parallel arrangement, distance bolt (603) run through front bezel (601) middle part and back plate (602) middle part, all be equipped with the screw that supplies distance bolt (603) to pass on front bezel (601) and back plate (602), puller bolt (604) pass back plate (602) top, back plate (602) top is equipped with the screw that supplies puller bolt (604) to pass, puller bolt (604) front end top is on front bezel (601), prevent down anchor clamps (6) and connect in back plate subassembly (4) middle part, sample (5) and arc backup pad (401) centre gripping are between front bezel (601) and back plate (602), arc clamp plate (301) middle part top is on front bezel (601).
5. The laboratory coil sample straightener as claimed in claim 4 wherein: the device is characterized in that a plurality of samples (5) are arranged, and the plurality of samples (5) are stacked.
6. A laboratory coiled sample straightener as claimed in any one of claims 1 to 5 wherein: arc clamp plate (301) top surface on fixedly connected with dog I (305), dog I (305) shape is L shape, dog I (305) front end is established in sample (5) top, dog I (305) are equipped with at least one.
7. A laboratory coil sample straightener as claimed in any one of claims 1 to 5 wherein: arc backup pad (401) top surface on fixedly connected with dog II (403), dog II (403) shape is L shape, dog II (403) front end is established in sample (5) top, dog II (403) are equipped with at least one.
8. A laboratory coil sample straightener as claimed in claim 2 wherein: the included angle of the dovetail groove (303) is 90 degrees.
9. A laboratory coil sample straightener as claimed in claim 3 wherein: connecting plate (2) be equipped with two, two connecting plates (2) are connected respectively in the upper and lower both sides of spliced pole (1) and clamp plate subassembly (3), the post (202) of inserting of two connecting plates (2) all connect in through-hole I (102), through-hole II (201) of two connecting plates (2) all pass through bolted connection with screw (304), through-hole II (201) be the counter bore.
CN202221159270.3U 2022-05-16 2022-05-16 Laboratory is with coiling sample straightener Active CN217647369U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202221159270.3U CN217647369U (en) 2022-05-16 2022-05-16 Laboratory is with coiling sample straightener

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202221159270.3U CN217647369U (en) 2022-05-16 2022-05-16 Laboratory is with coiling sample straightener

Publications (1)

Publication Number Publication Date
CN217647369U true CN217647369U (en) 2022-10-25

Family

ID=83664038

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202221159270.3U Active CN217647369U (en) 2022-05-16 2022-05-16 Laboratory is with coiling sample straightener

Country Status (1)

Country Link
CN (1) CN217647369U (en)

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