CN209102528U - A kind of reinforcing steel bar bending tester - Google Patents
A kind of reinforcing steel bar bending tester Download PDFInfo
- Publication number
- CN209102528U CN209102528U CN201821832211.1U CN201821832211U CN209102528U CN 209102528 U CN209102528 U CN 209102528U CN 201821832211 U CN201821832211 U CN 201821832211U CN 209102528 U CN209102528 U CN 209102528U
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- rack
- steel bar
- reinforcing bar
- reinforcing steel
- support
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Abstract
The utility model relates to a kind of steel bar test fields, specially a kind of reinforcing steel bar bending tester, including rack, it is installed on the bending press for being used to make bar bending of rack, it is installed on the bogey for being used to support reinforcing bar of rack, it is installed on two groups of limits devices for being used to limit steel bar motion direction of rack, bogey includes two supports for being used to support reinforcing bar in gap setting, it is installed on the actuator for driving two supports close to each other and being located remotely from each other of rack, support is slidably connected to rack in the horizontal direction, limits device is equipped with two groups and is symmetrical set, limits device includes the guide assembly for guiding reinforcing bar to be axially moved along it for being installed on support, for driving guide assembly to do the elevating mechanism of vertical direction movement.Reinforcing bar is under limits device effect, and only along its axial movement, experimental error is small, and experimental data is more acurrate.
Description
Technical field
The utility model relates to a kind of steel bar test fields, and in particular to a kind of reinforcing steel bar bending tester.
Background technique
Reinforcing steel bar bending tester is the special equipment that the forward and reverse bend test of plane is carried out to reinforcing bar.The product is answered extensively
For units such as metallurgy, machinery manufacturing industry, construction industry, project supervision, technical quality supervision, to examine various reinforcing bars just
To the mechanical performance of, back-flexing.When using reinforcing steel bar bending tester, the diameter of reinforcing bar is different, to adjust between branch roller
Distance.
The patent of Chinese patent notification number CN203908884U discloses a kind of bar bending test, including pedestal, pedestal
On set there are two the support that is oppositely arranged, be equipped with branch roller in two supports, pedestal is equipped with bracket, is equipped in bracket hydraulic
Cylinder, hydraulic cylinder lower end are connected with briquetting, and fixture is equipped on the outside of two supports, and card has steel bar on fixture.When doing bend test,
Testing crew is horizontal between two supports by reinforcing bar, then using hydraulic cylinder briquetting under pressing reinforcing, the reinforcing bar of different-diameter,
The distance between two supports difference.
The reinforcing bar being placed on bracket in the prior art is only acted on by the support force of bracket, in the downward stamped steel of hydraulic cylinder
When muscle, reinforcing bar not only can also be moved along its axial movement along to other directions.And the perfect condition of the experiment is, reinforcing bar is only
Along its axial movement.If reinforcing bar is moved along other directions, error can be generated by testing, test data inaccuracy.
Utility model content
In view of the deficienciess of the prior art, the purpose of this utility model is to provide a kind of reinforcing steel bar bending testers, really
Reinforcing bar is protected only along its axial movement, is reduced experimental error, is improved experimental precision.
To achieve the above object, the utility model provides following technical solution:
A kind of reinforcing steel bar bending tester, including rack, the bending press for making bar bending for being installed on rack, installation
In the bogey for being used to support reinforcing bar of rack, bogey includes two branch for being used to support reinforcing bar in gap setting
Seat, be installed on rack for driving the actuator that two supports are close to each other and are located remotely from each other, support slides in the horizontal direction
It is connected to rack, reinforcing steel bar bending tester further includes the two groups of limitations dress for limiting steel bar motion direction for being installed on rack
Set, limits device is equipped with and two groups and is symmetrical set, limits device include be installed on support for guiding reinforcing bar along its axial direction
The guide assembly of movement, for drive guide assembly do vertical direction movement elevating mechanism.
By using above-mentioned technical proposal, when to carry out bend test to reinforcing bar sample, according to the diameter of section of reinforcing bar,
Actuator is adjusted the distance between support, is allowed in appropriate length.The both ends of reinforcing bar are overlapped on two supports,
The guide assembly of installation on the support is relatively distant from support or relatively close movement.Elevating mechanism drives so that guidance group
Part move down reinforcing bar is contacted and limited with reinforcing bar can only be along the axial movement of reinforcing bar.Bending press, which is moved down, carries out punching press to reinforcing bar, makes
Reinforcing bar is bent in the gap between two supports.So when bending press carries out punching press to reinforcing bar, reinforcing bar can only be along its axis
To movement, reduce experimental error, improves experiment accuracy.
The utility model is further arranged to: support include be slidably connected in the horizontal direction with rack be used to support steel
The supporting table of muscle, two be symmetrical set the fixing piece being fixedly connected with supporting table are provided with rotation hole, elevator on fixing piece
Structure includes the Bidirectional-screw for being arranged in rotation hole in the horizontal direction, two sliding shoes for being sheathed on Bidirectional-screw, is installed on fixation
The limited part for guiding two sliding shoes to move in the horizontal direction of part, Bidirectional-screw axial restraint and circumferentially rotating are connected to
Rotation hole is respectively articulated with the connecting rod hinged with guide assembly below two sliding shoes, and Bidirectional-screw both ends are provided with forward direction
Screw thread and reverse thread, two sliding shoes are threadedly coupled with forward screw thread and reverse thread respectively.
By using above-mentioned technical proposal, since two sliding shoes are threadedly coupled with forward screw thread and reverse thread respectively,
And limited part guides two sliding shoes that can only move in the horizontal direction.So rotation Bidirectional-screw, two sliding shoes are done along level
Direction relatively close and it is relatively distant from movement.Since connecting rod is hinged with sliding shoe and guide assembly respectively, so when two
When sliding shoe does relatively close movement, two connecting rods drive guide assembly to move down, until guide assembly lower end connects with supporting table
It touches and pushes against.When reinforcing bar to be taken down, screw rod is rotated backward, so that two sliding shoes are located remotely from each other movement, two connecting rods
It drives guide assembly to move up, far from supporting table, then takes out reinforcing bar.
The utility model is further arranged to: limited part is arranged in two sliding shoes in the horizontal direction, and limited part
Both ends are fixedly connected with two fixing pieces respectively.
By using above-mentioned technical proposal, since limited part is arranged in two sliding shoes in the horizontal direction, so sliding shoe
It can only cannot be moved in the horizontal direction around its center rotating.In this way, Bidirectional-screw rotates, two sliding shoes are done in the horizontal direction
It is relatively close or be relatively distant from movement.
The utility model is further arranged to: Bidirectional-screw one end is fixed with handwheel.
By using above-mentioned technical proposal, operator rotates handwheel, drives the Bidirectional-screw being fixed together with handwheel
Rotation.Handwheel comparison rotation Bidirectional-screw is rotated, operation is more convenient.
The utility model is further arranged to: guide assembly includes the lifters for being articulated with two connecting rods, is articulated with
Two clamping plates for being used to clamp reinforcing bar of lifters, two clamping plates are arranged in inverted V type.
By using above-mentioned technical proposal, lifters connecting rod drive under move down, until clamping plate lower end surface with
Supporting table pushes against.Reinforcing bar is located between two clamping plates, circumferentially contacts in the clamping plate that inverted V type is arranged with reinforcing bar, not only gives steel
The power of muscle in the horizontal direction, and limit the circumferential direction of reinforcing bar.The power of reinforcing bar straight down is returned, so that reinforcing bar and supporting table push against.
And since clamping plate is hinged in lifters, so the corner dimension between two clamping plates can change with the diameter of reinforcing bar,
It is applied widely.
The utility model is further arranged to: the elasticity in compressive state is equipped between on the outside of lifters and clamping plate
Part.
By using above-mentioned technical proposal, since the elastic component being arranged between on the outside of lifters and clamping plate is in pressure always
Contracting state enables clamping plate and the reinforcing bar of different-diameter to push against so elastic component gives clamping plate inward force always, so that
Reinforcing bar can only be along the axial movement of reinforcing bar.
The utility model is further arranged to: two clamping plates it is opposite be provided with antiskid groove on one side.
By using above-mentioned technical proposal, clamping plate it is opposite be provided with antiskid groove on one side, be capable of increasing clamping plate and steel
The coefficient of friction of the contact surface of muscle, and then increase the frictional force between reinforcing bar and clamping plate.
The utility model is further arranged to: there are two supporting table is set, two opposite one end of supporting table are set in circular arc
It sets.
By using above-mentioned technical proposal, when reinforcing bar is in the gap being bent between device two supporting tables of indentation,
The place that the reinforcing bar of lower crook is contacted with supporting table can bend.If two opposite one end of supporting table are at right angles arranged, curved
Bent place can generate tip, be easily broken off.The opposite one end of two supporting tables is arranged in circular arc, and knee is in rounding off, will not
It is broken.
The utility model has the advantage that
1, reinforcing bar is under limits device effect, and only along its axial movement, experimental error is small, and experimental data is more acurrate；
2, the angle between two clamping plates can be automatically adjusted according to the different-diameter of reinforcing bar, and applicable range is wide.
Detailed description of the invention
Fig. 1 is the structural perspective of the utility model；
Fig. 2 is the part bogey of the utility model and the cross-sectional view of limits device；
Fig. 3 is the structural perspective at the utility model clamping plate.
Appended drawing reference: 1, rack；2, bending press；21, hydraulic cylinder；22, briquetting；3, bogey；31, support；311,
Supporting table；312, fixing piece；3121, rotation hole；32, actuator；4, limits device；41, guide assembly；411, lifters；
412, elastic component；413, clamping plate；4131, antiskid groove；42, elevating mechanism；421, Bidirectional-screw；4211, forward screw thread；
4212, reverse thread；422, sliding shoe；423, connecting rod；424, handwheel；425, limited part.
Specific embodiment
The utility model is described further referring to attached drawing.
As shown in Figure 1, a kind of reinforcing steel bar bending tester, including rack 1, be installed on rack 1 for making bar bending
Bending press 2, the bogey 3 for being used to support reinforcing bar for being installed on rack 1, be installed on rack 1 for limiting steel bar motion
Two groups of limits devices 4 in direction.
Referring to figs. 1 and 2, bogey 3 includes two supports 31 for being used to support reinforcing bar for being in gap setting, peace
The actuator 32 for driving two supports 31 close to each other and being located remotely from each other loaded on rack 1, support 31 are slided in the horizontal direction
It is dynamic to be connected to rack 1.Support 31 include the supporting table 311 for being used to support reinforcing bar being slidably connected in the horizontal direction with rack 1, with
The fixing piece 312 that supporting table 311 was fixedly connected be symmetrical set.Actuator 32 is the cylinder being electrically connected with external power supply.Such as
Shown in Fig. 1, supporting table 311 is fixedly connected with the piston rod of actuator 32.Horizontally disposed turn is provided on fixing piece 312
Dynamic hole 3121.As shown in Figure 1, the opposite one end of two supporting tables 311 is arranged in circular arc there are two supporting table 311 sets.
When to carry out bend test to reinforcing bar sample, according to the diameter of section of reinforcing bar, the piston rod of actuator 32 is driven
Two supporting tables 311 are done relatively close or are relatively distant from movement, so that the distance between two supporting tables 311 and reinforcing bar to be measured
Diameter of section matches.The both ends of reinforcing bar are overlapped in supporting table 311.
As shown in Fig. 2, limits device 4 includes being installed on the guidance group for guiding reinforcing bar to be axially moved along it of support 31
Part 41, for drive guide assembly 41 do vertical direction movement elevating mechanism 42.Elevating mechanism 42 includes wearing in the horizontal direction
Set on rotation hole 3121 Bidirectional-screw 421, be sheathed on Bidirectional-screw 421 two sliding shoes 422, be installed on fixing piece 312
The limited part 425 for guiding two sliding shoes 422 to move in the horizontal direction, 421 axial restraint of Bidirectional-screw and circumferential turn
Dynamic to be connected to rotation hole 3121, the lower section of two sliding shoes 422 is respectively articulated with the connecting rod 423 hinged with guide assembly 41,
421 both ends of Bidirectional-screw are provided with forward screw thread 4211 and reverse thread 4212, two sliding shoes 422 respectively with forward screw thread 4211
It is threadedly coupled with reverse thread 4212.Limited part 425 is arranged in two sliding shoes 422, and the two of limited part 425 in the horizontal direction
End is fixedly connected with two fixing pieces 312 respectively.421 one end of Bidirectional-screw is fixed with handwheel 424.
Guide assembly 41 include the lifters 411 for being articulated with two connecting rods 423, be articulated with lifters 411 for pressing from both sides
Two clamping plates 413, both ends of tight reinforcing bar respectively with the elastic component 412 that is fixedly connected on the outside of lifters 411 and clamping plate 413,
Two clamping plates 413 are in compressive state in inverted V type setting, elastic component 412 always, and elastic component 412 is spring.As shown in figure 3, two
A clamping plate 413 it is opposite be provided with antiskid groove 4131 on one side.
As shown in Fig. 2, operator rotates handwheel 424, so that Bidirectional-screw 421 rotates.Respectively and on Bidirectional-screw 421
Forward screw thread 4211 and reverse thread 4212 be threadedly coupled two sliding shoes 422, limited part 425 guide lower edge level side
To relatively close movement is done, two connecting rods 423 drive lifters 411 to move down, until 413 lower end surface of clamping plate and supporting table
311 push against.Reinforcing bar is located between two clamping plates 413, and since elastic component 412 is in compressive state always, two clamping plates 413 are in
Inverted V type setting, then elastic component 412 gives 413 inward force of clamping plate always, enables the steel of clamping plate 413 and different-diameter
Muscle pushes against, so that reinforcing bar can only be along the axial movement of reinforcing bar.Clamping plate 413 it is opposite be provided with antiskid groove 4131 on one side, can
Increase the coefficient of friction of the contact surface of clamping plate 413 and reinforcing bar, and then increases the frictional force between reinforcing bar and clamping plate 413, limit
The circumferential movement of reinforcing bar processed.
As shown in Figure 1, bending press 2 includes being installed on above the gap of rack 1 being located between two supporting tables 311
Hydraulic cylinder 21, be installed on hydraulic cylinder 21 piston rod briquetting 22,22 section of briquetting be in arc-shaped.
Working principle: when to carry out bend test to reinforcing bar sample, according to the diameter of section of reinforcing bar, 32 pairs of branch of actuator
The distance between seat 31 is adjusted, and is allowed in appropriate length.The both ends of reinforcing bar are overlapped in two supporting tables 311, steel
The middle position of muscle is hanging.Handwheel 424 is rotated, two clamping plates 413 are displaced downwardly to be pushed against with supporting table 311, and reinforcing bar is located at two
Between a clamping plate 413.Due to two V-shaped settings of clamping plate 413, and clamping plate 413 is acted on by 412 elastic force of elastic component and beginning
It is pushed against eventually with reinforcing bar, so, reinforcing bar can only be along its axial movement in the case where two clamping plates 413 act on.The piston rod of hydraulic cylinder 21
It moves down, so that the briquetting 22 for being installed on piston rod moves down, is bent reinforcing bar in the gap between two supports 31.So pressing
When bending apparatus 2 carries out punching press to reinforcing bar, reinforcing bar can only be moved along its axis, and reduce experimental error, improve experiment accuracy.
The above is only the preferred embodiment of the utility model, and the protection scope of the utility model is not limited merely to
Above-described embodiment, technical solution belonging to the idea of the present invention belong to the protection scope of the utility model.It should refer to
Out, for those skilled in the art, it is without departing from the principle of the utility model it is several improvement and
Retouching, these improvements and modifications also should be regarded as the protection scope of the utility model.
Claims (8)
1. a kind of reinforcing steel bar bending tester, including rack (1), be installed on rack (1) for making the bending press of bar bending
(2), it is installed on the bogey (3) for being used to support reinforcing bar of rack (1), bogey (3) includes being used in gap setting
Two supports (31) of spacer bar are installed on the close to each other for two supports (31) of driving of rack (1) and are located remotely from each other
Actuator (32), support (31) is slidably connected to rack (1) in the horizontal direction, it is characterized in that: the reinforcing steel bar bending tester
It further include the two groups of limits devices (4) for being used to limit steel bar motion direction for being installed on rack (1), limits device (4) is equipped with two
It group and is symmetrical set, limits device (4) includes being installed on the guidance for guiding reinforcing bar to be axially moved along it of support (31)
Component (41), for drive guide assembly (41) do vertical direction movement elevating mechanism (42).
2. a kind of reinforcing steel bar bending tester according to claim 1, it is characterized in that: the support (31) includes and rack
(1) supporting table (311) for being used to support reinforcing bar that is slidably connected in the horizontal direction, be fixedly connected with supporting table (311) in pair
Claim two fixing pieces (312) of setting, is provided with rotation hole (3121) on fixing piece (312), elevating mechanism (42) includes along level
Direction is arranged in the Bidirectional-screw (421) of rotation hole (3121), two sliding shoes (422) for being sheathed on Bidirectional-screw (421), peace
The limited part (425) for guiding two sliding shoes (422) to move in the horizontal direction loaded on fixing piece (312), Bidirectional-screw
(421) axial restraint and circumferentially rotating is connected to rotation hole (3121), has been respectively articulated with and has been drawn below two sliding shoes (422)
The hinged connecting rod (423) of guide assembly (41), Bidirectional-screw (421) both ends are provided with forward screw thread (4211) and reverse thread
(4212), two sliding shoes (422) are threadedly coupled with forward screw thread (4211) and reverse thread (4212) respectively.
3. a kind of reinforcing steel bar bending tester according to claim 2, it is characterized in that: the limited part (425) is along level side
To being arranged in two sliding shoes (422), and the both ends of limited part (425) are fixedly connected with two fixing pieces (312) respectively.
4. a kind of reinforcing steel bar bending tester according to claim 2, it is characterized in that: the Bidirectional-screw (421) one end is solid
Surely there are handwheel (424).
5. a kind of reinforcing steel bar bending tester according to claim 2, it is characterized in that: the guide assembly (41) includes hinged
In two connecting rods (423) lifters (411), be articulated with lifters (411) for clamping two clamping plates of reinforcing bar
(413), two clamping plates (413) are arranged in inverted V type.
6. a kind of reinforcing steel bar bending tester according to claim 5, it is characterized in that: the lifters (411) and clamping plate
(413) elastic component (412) in compressive state is equipped between outside.
7. a kind of reinforcing steel bar bending tester according to claim 5, it is characterized in that: two clamping plates (413) are opposite
Be provided with antiskid groove (4131) on one side.
8. a kind of reinforcing steel bar bending tester according to claim 2, it is characterized in that: there are two the supporting table (311) sets,
The opposite one end of two supporting tables (311) is arranged in circular arc.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821832211.1U CN209102528U (en) | 2018-11-07 | 2018-11-07 | A kind of reinforcing steel bar bending tester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821832211.1U CN209102528U (en) | 2018-11-07 | 2018-11-07 | A kind of reinforcing steel bar bending tester |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209102528U true CN209102528U (en) | 2019-07-12 |
Family
ID=67158656
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821832211.1U Active CN209102528U (en) | 2018-11-07 | 2018-11-07 | A kind of reinforcing steel bar bending tester |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209102528U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111781071A (en) * | 2020-08-19 | 2020-10-16 | 鲁伟 | Bending test device of reinforcing bar |
| CN113504129A (en) * | 2021-07-21 | 2021-10-15 | 嘉兴市建设工程质量检测有限公司 | Reinforcing bar bending test device |
-
2018
- 2018-11-07 CN CN201821832211.1U patent/CN209102528U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111781071A (en) * | 2020-08-19 | 2020-10-16 | 鲁伟 | Bending test device of reinforcing bar |
| CN111781071B (en) * | 2020-08-19 | 2024-02-27 | 湖北磐瑞检测科技有限公司 | Bending test device for reinforcing steel bars |
| CN113504129A (en) * | 2021-07-21 | 2021-10-15 | 嘉兴市建设工程质量检测有限公司 | Reinforcing bar bending test device |
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