CN209961612U - Reverse bending tester for reinforcing steel bars - Google Patents
Reverse bending tester for reinforcing steel bars Download PDFInfo
- Publication number
- CN209961612U CN209961612U CN201920421036.5U CN201920421036U CN209961612U CN 209961612 U CN209961612 U CN 209961612U CN 201920421036 U CN201920421036 U CN 201920421036U CN 209961612 U CN209961612 U CN 209961612U
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- China
- Prior art keywords
- shaft hole
- working disc
- center
- arm
- reverse
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- 238000005452 bending Methods 0.000 title claims abstract description 47
- 229910001294 Reinforcing steel Inorganic materials 0.000 title abstract description 16
- 238000012360 testing method Methods 0.000 claims abstract description 24
- 238000003825 pressing Methods 0.000 claims abstract description 21
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 8
- 230000005540 biological transmission Effects 0.000 claims description 5
- 239000003638 chemical reducing agent Substances 0.000 claims description 3
- 229910000831 Steel Inorganic materials 0.000 description 12
- 239000010959 steel Substances 0.000 description 12
- 238000013461 design Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 238000010561 standard procedure Methods 0.000 description 1
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Abstract
The utility model discloses a reverse bending testing machine for reinforcing steel bars, which comprises a workbench and a working disc arranged at the center of the workbench, wherein a curved core sleeve is arranged on the working disc, a fixed seat is arranged on one side of the workbench, the fixed seat is provided with a pressing arm and a rocker arm, a positive rotation positioning shaft hole and a negative rotation positioning shaft hole are arranged on the working disc, the distance from the center of the positive rotation positioning shaft hole to the center of the curved core sleeve is equal to the distance from the center of the negative rotation positioning shaft hole to the center of the curved core sleeve, the working disc is provided with a limit column, and the limit column, the negative rotation positioning shaft hole and the positive rotation positioning shaft hole are arranged anticlockwise; the utility model discloses, easy operation, work efficiency is high, only needs the change of work axle can accomplish the reverse bending test of reinforcing bar, is suitable for the reverse bending test of different diameter reinforcing bars, the utilization widely of the enterprise of being convenient for.
Description
Technical Field
The utility model relates to a bending test machine specifically relates to a reverse bending test machine of reinforcing bar belongs to analysis and test technical field.
Background
The steel bar bending tester is a special device for performing plane forward and reverse bending tests on steel bars. The technical parameters and indexes of the equipment conform to YB/T5126-93; GB/T5029-85 requirements of a steel bar plane reverse bending method. The product is widely applied to units of metallurgy, machine manufacturing industry, building industry, engineering supervision, technical quality supervision and the like to test the mechanical properties of forward and reverse bending of various reinforcing steel bars. The GW-40 type steel bar bending tester is a latest recommended product of national standard according to the requirements of GB 1499-1998, ISO6935-2: [1991 ]. Is a novel and more perfect bending tester. The product has the advantages of accessory matching, safe limit, easy-to-wear part replacement, whole machine service life prolonging and the like. The GW-40B model is a substitute product of the original GW-2/25 model and the original GW-2/40 model, and one machine can replace two machines by replacing accessories with different specifications, so that the fund is saved for customers. The device has the characteristics of complete performance, excellent quality, compact structure, small volume, simple and easily mastered operation, 36v safe voltage control, intuitive bending angle digital display, stable operation, low noise, reliable use, long service life, reasonable design, convenient maintenance, simple lubrication and the like. In particular, the wearing parts are more reasonable in design and easy to replace, so that the service life is long.
The testing machine on the existing market has single function, can only carry out reverse bending test on the reinforcing steel bar with fixed size, is difficult to find a corresponding fulcrum through a reverse sample to complete the reverse bending test, and has the practical operation problems of difficult control of bending angle, inconvenient operation, potential safety hazard and low working efficiency.
Disclosure of Invention
The utility model aims at providing a satisfy test standard method to the not enough of prior art existence, reduce intensity of labour, improve test efficiency, can provide the reinforcing bar reverse bending test machine of accurate and enough bearing capacity.
For realizing the above-mentioned purpose, the utility model provides a reinforcing bar reverse bending test machine, be in including workstation and setting the working disc at workstation center, be provided with the heart cover on the working disc, workstation one side is provided with the fixing base, the fixing base is provided with and compresses tightly arm and rocking arm, positive location shaft hole and derotation location shaft hole have been seted up on the working disc, positive location shaft hole center arrives the distance at heart cover center of bending with derotation location shaft hole center arrives the distance at heart cover center of bending equals, the working disc is provided with spacing post, spacing post derotation location shaft hole with the anticlockwise range in positive location shaft hole.
As a further improvement of the scheme, the bottom of the working plate is connected with a rotary cylinder, and the rotary cylinder is connected with the working plate through a transmission shaft.
As a further improvement of the scheme, the bending core sleeve and the working disc are coaxially arranged.
As a further improvement of the above scheme, the pressing arm is positioned above the working disc, one end of the pressing arm is movably connected with the fixed seat through a rotating shaft, and the rocker arm is connected with the adjusting arm.
As a further improvement of the above scheme, the adjusting arm and the pressing arm are arranged in parallel, and a gap is arranged between the pressing arm and the outer contour of the curved core sleeve.
As a further improvement of the scheme, the other end of the compression arm is provided with a fixed block, and the fixed block is connected with the screw rod.
As a further improvement of the scheme, the fixing block is arranged on one side departing from the bending core sleeve, and the screw rod is connected with the speed reducer.
As a further improvement of the above scheme, the diameter of the forward rotation positioning shaft hole is the same as the diameter of the reverse rotation positioning shaft hole.
The utility model has the advantages that: when the reinforcing steel bar reverse bending testing machine works, the working shaft is inserted into the forward rotation positioning shaft hole, the working disc is rotated clockwise through forward rotation of the rotary air cylinder so as to bend the reinforcing steel bar forward by 90 degrees, then the working shaft is inserted into the reverse rotation positioning shaft hole, the working disc is rotated anticlockwise through reverse rotation of the rotary air cylinder so as to bend the reinforcing steel bar reversely by 20 degrees, the operation is simple, the working efficiency is high, and the reverse bending test of the reinforcing steel bar can be completed only by replacing the working shaft; when the diameter of the steel bar sample is changed, the distance between the pressing arm and the adjusting arm is adjusted through the rotation of the rocker arm, the distance between the pressing arm and the outer contour of the curved core sleeve is adjusted through the transmission of the lead screw, and therefore the changed steel bar sample can be fixed on the working disc, the reverse bending test device is suitable for reverse bending tests of steel bars with different diameters, and is convenient for popularization and utilization of enterprises.
Drawings
Fig. 1 is the embodiment of the utility model provides a structural schematic diagram of reverse bending test machine of reinforcing bar.
The parts of the drawings are numbered as follows: 1. a work table; 2. a working plate; 3. bending the core sleeve; 4. a fixed seat; 5. a pressing arm; 6. a rocker arm; 7. an adjusting arm; 8. a fixed block; 9. a screw rod; 10. a positive rotation positioning shaft hole; 11. reversely rotating the positioning shaft hole; 12. a limiting column.
Detailed Description
In order to make the purpose, technical solution and advantages of the embodiments of the present invention clearer, the drawings of the embodiments of the present invention are combined below to clearly and completely describe the technical solution of the embodiments of the present invention. It is to be understood that the embodiments described are only some of the embodiments of the present invention, and not all of them. All other embodiments, which can be derived from the description of the embodiments of the present invention by a person skilled in the art, are within the scope of the present invention.
Example 1
As shown in figure 1, a reinforcing steel bar reverse bending tester comprises a workbench 1 and a working disc 2 arranged at the center of the workbench 1, wherein a core bending sleeve 3 is arranged on the working disc 2, a fixed seat 4 is arranged on one side of the workbench 1, the fixed seat 4 is provided with a pressing arm 5 and a rocker arm 6, a forward rotation positioning shaft hole 10 and a reverse rotation positioning shaft hole 11 are arranged on the working disc 2, the distance from the center of the forward rotation positioning shaft hole 10 to the center of the core bending sleeve 3 is equal to the distance from the center of the reverse rotation positioning shaft hole 11 to the center of the core bending sleeve 3, a limit column 12 is arranged on the working disc 2 to avoid the phenomenon that the reinforcing steel bar is broken due to the overlarge bending degree of the reinforcing steel bar in the working process, the limit column 12, the reverse rotation positioning shaft hole 11 and the forward rotation positioning shaft hole 10 are arranged anticlockwise, the diameter of the forward rotation positioning shaft hole 10 is the same as that the diameter of, when the positioning shaft is used, the forward rotation and the reverse rotation do not need to work simultaneously, so that one positioning shaft can be used as the forward rotation working shaft and the reverse rotation working shaft, and the cost is saved.
In the embodiment, a rotary cylinder is connected to the bottom of the working plate 2, the rotary cylinder is connected to the working plate 2 through a transmission shaft, the forward and reverse rotation of the working plate 2 is controlled by the forward rotation and reverse rotation of the rotary cylinder, so as to control the steel bar to be bent forward or reversely, the curved core sleeve 3 is coaxially arranged with the working plate 2, the pressing arm 5 is positioned above the working plate 2, one end of the pressing arm 5 is movably connected with the fixed seat 4 through a rotating shaft, the rocker arm 6 is connected with an adjusting arm 7, the adjusting arm 7 moves back and forth along with the rotation of the rocker arm 6, the adjusting arm 7 is arranged in parallel with the pressing arm 5, the adjusting arm 7 is matched with the pressing arm 5 to fix and adjust one end of the steel bar sample, and a gap is arranged between the pressing arm 5 and the outer contour of the curved core sleeve 3, the other end that compresses tightly arm 5 is provided with fixed block 8, fixed block 8 links to each other with lead screw 9, fixed block 8 is located and is deviated from one side of curved core cover 3, lead screw 9 links to each other with the speed reducer, fixed block 8 with curved core cover 3 cooperates the other end that is used for fixing and adjusting the reinforcing bar sample.
In summary, when the reinforcing steel bar reverse bending tester works, the working shaft is inserted into the forward rotation positioning shaft hole, the working disc is rotated clockwise through the forward rotation of the rotary cylinder so as to bend the reinforcing steel bar by 90 degrees in the forward direction, then the working shaft is inserted into the reverse rotation positioning shaft hole, the working disc is rotated anticlockwise through the reverse rotation of the rotary cylinder so as to bend the reinforcing steel bar by 20 degrees in the reverse direction, the operation is simple, the working efficiency is high, and the reverse bending test of the reinforcing steel bar can be completed only by replacing the working shaft; when the diameter of the steel bar sample is changed, the distance between the pressing arm and the adjusting arm is adjusted through the rotation of the rocker arm, the distance between the pressing arm and the outer contour of the curved core sleeve is adjusted through the transmission of the lead screw, and therefore the changed steel bar sample can be fixed on the working disc, the reverse bending test device is suitable for reverse bending tests of steel bars with different diameters, and is convenient for popularization and utilization of enterprises.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (8)
1. The utility model provides a reverse bending test machine of reinforcing bar, includes workstation (1) and sets up working disc (2) at workstation (1) center, its characterized in that: be provided with heart of turning cover (3) on working disc (2), workstation (1) one side is provided with fixing base (4), fixing base (4) are provided with compressing arm (5) and rocking arm (6), set up on working disc (2) and just revolve location shaft hole (10) and derotation location shaft hole (11), just revolve location shaft hole (10) center and arrive the distance at heart of turning cover (3) center with derotation location shaft hole (11) center arrives the distance at heart of turning cover (3) center equals, working disc (2) are provided with spacing post (12), spacing post (12) derotation location shaft hole (11) with the anticlockwise range in derotation location shaft hole (10).
2. The reverse bar bending tester according to claim 1, wherein: the bottom of the working disc (2) is connected with a rotary cylinder, and the rotary cylinder is connected with the working disc (2) through a transmission shaft.
3. The reverse bar bending tester according to claim 1, wherein: the bending core sleeve (3) and the working disc (2) are coaxially arranged.
4. The reverse bar bending tester according to claim 1, wherein: the pressing arm (5) is located above the working disc (2), one end of the pressing arm (5) is movably connected with the fixed seat (4) through a rotating shaft, and the rocker arm (6) is connected with the adjusting arm (7).
5. The reverse bar bending tester according to claim 4, wherein: the adjusting arm (7) and the pressing arm (5) are arranged in parallel, and a gap is formed between the pressing arm (5) and the outer contour of the curved core sleeve (3).
6. The reverse bar bending tester according to claim 4, wherein: the other end of the pressing arm (5) is provided with a fixing block (8), and the fixing block (8) is connected with a screw rod (9).
7. The reverse bar bending tester according to claim 6, wherein: the fixed block (8) is arranged on one side deviating from the bent core sleeve (3), and the screw rod (9) is connected with the speed reducer.
8. The reverse bar bending tester according to claim 1, wherein: the diameter of the forward rotation positioning shaft hole (10) is the same as that of the reverse rotation positioning shaft hole (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920421036.5U CN209961612U (en) | 2019-03-30 | 2019-03-30 | Reverse bending tester for reinforcing steel bars |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920421036.5U CN209961612U (en) | 2019-03-30 | 2019-03-30 | Reverse bending tester for reinforcing steel bars |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209961612U true CN209961612U (en) | 2020-01-17 |
Family
ID=69240433
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920421036.5U Expired - Fee Related CN209961612U (en) | 2019-03-30 | 2019-03-30 | Reverse bending tester for reinforcing steel bars |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209961612U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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
- 2019-03-30 CN CN201920421036.5U patent/CN209961612U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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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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: 20200117 |
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| CF01 | Termination of patent right due to non-payment of annual fee |