CN209327135U - A kind of reinforcing bar reverse bending test device - Google Patents
A kind of reinforcing bar reverse bending test device Download PDFInfo
- Publication number
- CN209327135U CN209327135U CN201920027012.1U CN201920027012U CN209327135U CN 209327135 U CN209327135 U CN 209327135U CN 201920027012 U CN201920027012 U CN 201920027012U CN 209327135 U CN209327135 U CN 209327135U
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- reinforcing bar
- limit plate
- circular disk
- fixator
- sample
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Abstract
The utility model discloses a kind of reinforcing bar reverse bending test devices, including testing stand ontology, rotating circular disk and jacking mechanism, side fixed plate is provided on front side of testing stand ontology, limit plate is hinged on the left of the fixed plate of side, the left side wall of the other end of limit plate is connect with jacking mechanism, rotating circular disk is provided centrally with bending newel, limit plate has been disposed vertically adjustable fixator on along its length, the right side wall of fixator and limit plate forms a fixed point, bending newel and the right side wall of limit plate end form another fixed point, sample is placed between two fixing points when reinforcing bar bending experiment, sample one end far from operator reaches at backing pin.The utility model is skillfully constructed, and compact-sized rationally fixator is small in size, structure simple and flexible, easy to operate, can pick and place at any time；The fixator is stand-alone assembly, can be used in combination with existing reinforcing steel bar bending tester, shorten the length of sample, and improves the safety during test.
Description
Technical field
The utility model relates to steel technical field of experiment equipment more particularly to a kind of reinforcing bar reverse bending test devices.
Background technique
From after GB/T 1499.2-2007 standard change GB/T 1499.2-2018, reinforcing bar former material reverse bending test is had become
For band " E " reinforcing bar conventional detection project, as shown in figure 4, existing reinforcing steel bar bending tester on the market, main includes the test playscript with stage directions
Body 1, side fixed plate 2, Fastener 3, rotating circular disk 4 and limit plate 8, rotating circular disk 4 are provided centrally with bending newel 5 and gear
Pin 6, the outside that disk is arranged in side fixed plate are fixedly connected with testing stand ontology, the length of experimental subjects have to be larger than backing pin and
The distance between Fastener could complete crooked experiment, and the specimen length that wherein certain testing machine requires at least is 750mm；In the presence of
The big problem of the long security risk of sample；Meanwhile the adjustable degree of positioning device is poor, controllability when different-diameter reinforcing bar former material is tested
Difference is not suitable for the practical operation in practical work.
Utility model content
The purpose of the utility model is to provide a kind of reinforcing bar reverse bending test devices, solve the fixed dress of prior art sample
It is remote to set distance, the train length needed is big, and the problem poor in face of different-diameter sample controllability.
In order to solve the above technical problems, the utility model adopts the following technical solution:
A kind of reinforcing bar reverse bending test device of the utility model, including testing stand ontology, rotating circular disk and jacking mechanism,
The rotating circular disk is mounted on the center of the testing stand ontology, and a left side for the testing stand ontology is arranged in the jacking mechanism
Side is provided with side fixed plate on front side of the testing stand ontology, limit plate, the limit is hinged on the left of the side fixed plate
The left side wall of the other end of plate is connect with the jacking mechanism, and the rotating circular disk is provided centrally with bending newel, described
Limit plate has been disposed vertically adjustable fixator on along its length, the right side wall of the fixator and the limit plate is formed
The right side wall of one fixed point, the bending newel and the limit plate end forms another fixed point, and reinforcing bar bending is real
Sample is placed between two fixing points when testing, described sample one end far from operator reaches the gear on the rotating circular disk
At pin.
Further, the fixator includes that the main fixed plate of U-shaped frame and two movable plates, the movable plate pass through slide guide
Slot is slidably connected in the main fixed plate, and the lower part of two movable plates is bolted together by connection, institute
The side for stating main fixed plate is connected with adjusting screw rod, and the head of the adjusting screw rod is against on the connection bolt, and pushes institute
Movable plate is stated to move horizontally in the main fixed plate.
Further, the tail portion of the adjusting screw rod is provided with rotating through hole.
Further, the mounting hole of backing pin described in multiple grafting is provided on the rotating circular disk.
Further, the jacking mechanism includes the mandril of support frame and the threaded connection of support frame as described above center, described
The head of mandril is connected with the jacking block being bonded with the limit plate, and the tail portion of the mandril is connected with rotating handle.
Further, the corner of the testing stand body top surface is provided with controller, is provided with liquid on the controller
Crystal display screen shows the rotation angle of the rotating circular disk on the liquid crystal display, can be to institute by liquid crystal display
The bending angle for stating sample is set.
Compared with prior art, the advantageous effects of the utility model:
A kind of reinforcing bar reverse bending test device of the utility model, including testing stand ontology, rotating circular disk and jacking mechanism,
Jacking mechanism is mounted on the left side of testing stand ontology, and front side is provided with side fixed plate, is hinged with limit plate on the left of the fixed plate of side,
The left side wall of the other end of limit plate is connect with jacking mechanism, and rotating circular disk is provided centrally with bending newel, in the structure
On the basis of increase convenient for adjusting size and with the fixator easily placed；The setting of adjustable fixer shortens reinforcing bar former material
Reverse bending test specimen length, so that different-diameter reinforcing bar former material can be fixed precisely, while it is anti-to reduce reinforcing bar former material
Security risk when to bend test.The utility model is skillfully constructed, and compact-sized reasonable, fixator is small in size, and structure is simple
Flexibly, easy to operate, it can pick and place at any time.In addition, the fixator is stand-alone assembly, it can be with existing reinforcing steel bar bending tester knot
It closes and uses, substantially reduce the security risk during laboratory technician's test；Improve experimental accuracy；It can be according to reinforcing bar former material sample
Length arbitrarily adjusts the position of fixator, and for test, consigner reduces test sample length, reduces consigner's economy and pays.
Detailed description of the invention
The utility model is described in further detail for explanation with reference to the accompanying drawing.
Fig. 1 is the utility model reinforcing bar reverse bending test instrument structural schematic diagram；
Fig. 2 is the utility model fixator main view；(broken section)
Fig. 3 is the utility model fixator right view；
Fig. 4 is the utility model prior art experiment instrument structural schematic diagram；
Description of symbols: 1, testing stand ontology；2, side fixed plate；3, Fastener；4, rotating circular disk；5, center is bent
Column；6, backing pin；7, jacking mechanism；8, limit plate；9, fixator；901, main fixed plate；902, movable plate；903, adjusting screw rod；
904, bolt is connected；905, rotating through hole；906, guide runner；10, controller；11, sample.
Specific embodiment
As shown in Figure 1, a kind of reinforcing bar reverse bending test device, including testing stand ontology 1, rotating circular disk 4 and hold out against machine
Structure 7, the rotating circular disk 4 are mounted on the center of the testing stand ontology 1, and the jacking mechanism 7 is arranged in the test playscript with stage directions
The left side of body 1, the front side of the testing stand ontology 1 are provided with side fixed plate 2, and the left side of the side fixed plate 2 is hinged with limit
Plate 8, the left side wall of the other end of the limit plate 8 are connect with the jacking mechanism 7, and the rotating circular disk 4 is provided centrally with
Newel 5 is bent, the limit plate 8 has been disposed vertically adjustable fixator 9, the fixator 9 and institute on along its length
The right side wall for stating limit plate 8 forms a fixed point, and the bending newel 5 and the right side wall of 8 end of limit plate are formed
Sample is placed between two fixing points by another fixed point, reinforcing bar bending when testing, the sample one far from operator
End reaches at the backing pin 6 on the rotating circular disk 4.
As shown in Figure 2,3, the fixator 9 includes the main fixed plate 901 and two movable plates 902 of U-shaped frame, the movement
Plate 902 is slidably connected in the main fixed plate 901 by guide runner 906, and the lower part of two movable plates 902 passes through
Connection bolt 904 links together, and the side of the main fixed plate 901 is connected with adjusting screw rod 903, the adjusting screw rod 903
Head be against on the connection bolt 904, and the movable plate 902 is pushed to move horizontally in the main fixed plate 901.Institute
The tail portion for stating adjusting screw rod 903 is provided with rotating through hole 905.
The mounting hole of backing pin 6 described in multiple grafting is provided on the rotating circular disk 4.Convenient for different location or different length
When the sample experiment of degree, the mounting hole of suitable position is selected, is operated more convenient.
The jacking mechanism 7 includes support frame and the mandril that support frame as described above center is threadedly coupled, the head of the mandril
Be connected with the jacking block being bonded with the limit plate 8, the tail portion of the mandril is connected with rotating handle, the setting of rotating handle so that
The stretching of mandril or rollback, it is more convenient to adjust limit plate 8 and bend the spacing between newel 5, to adapt to different-diameter
Sample.
The corner of 1 top surface of testing stand ontology is provided with controller 10, is provided with liquid crystal display on the controller,
The rotation angle that the rotating circular disk 4 is shown on the liquid crystal display, can be to the sample by liquid crystal display
Bending angle is set.
The action process of the utility model is as follows:
Firstly, the reinforcing bar former material as sample is put on testing stand ontology 1, one end of sample 11 is placed on bending center
Column 5 and 8 end of limit plate form a fixed point and sample are clamped in first fixed point by the adjusting of jacking mechanism 7
On, while the front end of sample is located at the left side of a backing pin 6 on rotating circular disk 4, and fixator 9 is then vertically disposed in limit
On plate 8, and the card slot that is formed of main fixed plate 901 and movable plate 902 by limit plate 8 and test sample card in centre, rotate adjusting screw rod
903 its head push movable plate 902 to move to the left, and sample is held out against on limit plate 8, after sample firm position, press
Start button on controller 10, according to preset angle, the driving motor for starting 1 lower section of testing stand ontology drives rotation
Disk 4 rotates clockwise, backing pin 6 compress sample 11 head go for a stroll compromise stem 5 bending, bending in place rear-guard move motor stop
It is mobile；The position of rotating circular disk rotation adjustment backing pin 6, backing pin 6 are placed into the other side on bending head, and starting driving motor drives
Rotating circular disk reversely rotates certain angle, then backing pin drives sample reversely to bend certain angle.
In the operating process, when sample is fixed, the position of fixator 9, main fixed plate 901 can be placed according to the length of sample
Card slot left side moved up and down close to the left side in limit plate 8, and along the limit plate, reach suitable position after screw tune
Save screw rod 903.Fixator 9 is compact-sized, and flexible adjustment is convenient to use, and the requirement for effectively shortening sample is long
Degree, saves sample input cost.
Embodiment described above is only that the preferred embodiment of the utility model is described, not to the utility model
Range is defined, and under the premise of not departing from the spirit of the design of the utility model, those of ordinary skill in the art are practical new to this
The various changes and improvements that the technical solution of type is made should all fall into the protection scope that the utility model claims book determines
It is interior.
Claims (6)
1. a kind of reinforcing bar reverse bending test device, including testing stand ontology (1), rotating circular disk (4) and jacking mechanism (7), institute
The center that rotating circular disk (4) is mounted on the testing stand ontology (1) is stated, the jacking mechanism (7) is arranged in the test playscript with stage directions
The left side of body (1), it is characterised in that: be provided with side fixed plate (2) on front side of the testing stand ontology (1), the side fixed plate
(2) it being hinged on the left of limit plate (8), the left side wall of the other end of the limit plate (8) is connect with the jacking mechanism (7),
The rotating circular disk (4) is provided centrally with bending newel (5), and the limit plate (8) has been disposed vertically on along its length
Adjustable fixator (9), right side wall one fixed point of formation of the fixator (9) and the limit plate (8), the bending
Newel (5) and the right side wall of the limit plate (8) end form another fixed point, and reinforcing bar bending places sample when testing
Between two fixing points, described sample one end far from operator is reached at the backing pin (6) on the rotating circular disk (4).
2. reinforcing bar reverse bending test device according to claim 1, it is characterised in that: the fixator (9) includes U-shaped
The main fixed plate (901) of frame and two movable plates (902), the movable plate (902) are slidably connected by guide runner (906)
On the main fixed plate (901), the lower part of two movable plates (902) is linked together by connecting bolt (904), institute
The side for stating main fixed plate (901) is connected with adjusting screw rod (903), and the head of the adjusting screw rod (903) is against the connection
On bolt (904), and the movable plate (902) is pushed to move horizontally on the main fixed plate (901).
3. reinforcing bar reverse bending test device according to claim 2, it is characterised in that: the adjusting screw rod (903)
Tail portion is provided with rotating through hole (905).
4. reinforcing bar reverse bending test device according to claim 1, it is characterised in that: set on the rotating circular disk (4)
It is equipped with the mounting hole of backing pin described in multiple grafting (6).
5. reinforcing bar reverse bending test device according to claim 1, it is characterised in that: the jacking mechanism (7) includes
The mandril that support frame and support frame as described above center are threadedly coupled, the head of the mandril is connected with to be bonded with the limit plate (8)
Jacking block, the tail portion of the mandril is connected with rotating handle.
6. reinforcing bar reverse bending test device according to claim 1, it is characterised in that: testing stand ontology (1) top
The corner in face is provided with controller (10), and liquid crystal display is provided on the controller (10), is shown on the liquid crystal display
It is shown with the rotation angle of the rotating circular disk (4), the bending angle of the sample can be set by liquid crystal display.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920027012.1U CN209327135U (en) | 2019-01-08 | 2019-01-08 | A kind of reinforcing bar reverse bending test device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920027012.1U CN209327135U (en) | 2019-01-08 | 2019-01-08 | A kind of reinforcing bar reverse bending test device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209327135U true CN209327135U (en) | 2019-08-30 |
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ID=67730853
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920027012.1U Active CN209327135U (en) | 2019-01-08 | 2019-01-08 | A kind of reinforcing bar reverse bending test device |
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| CN (1) | CN209327135U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111693381A (en) * | 2020-06-10 | 2020-09-22 | 贵州省建材产品质量监督检验院 | Reinforcing bar bending toughness detection device for building material quality detection |
| CN115096720A (en) * | 2022-07-14 | 2022-09-23 | 商河县建筑工程质量检测有限公司 | Steel bar strength detector for building engineering quality detection |
-
2019
- 2019-01-08 CN CN201920027012.1U patent/CN209327135U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111693381A (en) * | 2020-06-10 | 2020-09-22 | 贵州省建材产品质量监督检验院 | Reinforcing bar bending toughness detection device for building material quality detection |
| CN115096720A (en) * | 2022-07-14 | 2022-09-23 | 商河县建筑工程质量检测有限公司 | Steel bar strength detector for building engineering quality detection |
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