CN210208410U - Middle arc bending device for reinforcing steel bars - Google Patents
Middle arc bending device for reinforcing steel bars Download PDFInfo
- Publication number
- CN210208410U CN210208410U CN201920978293.9U CN201920978293U CN210208410U CN 210208410 U CN210208410 U CN 210208410U CN 201920978293 U CN201920978293 U CN 201920978293U CN 210208410 U CN210208410 U CN 210208410U
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- Prior art keywords
- wheel
- reinforcing bar
- driving wheel
- action
- driving
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- 238000005452 bending Methods 0.000 title claims abstract description 33
- 229910001294 Reinforcing steel Inorganic materials 0.000 title description 4
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 54
- 230000001105 regulatory effect Effects 0.000 claims abstract description 27
- 229910000831 Steel Inorganic materials 0.000 claims description 15
- 239000010959 steel Substances 0.000 claims description 15
- 230000015572 biosynthetic process Effects 0.000 claims 1
- 238000003754 machining Methods 0.000 abstract description 6
- 238000000034 method Methods 0.000 description 8
- 238000010276 construction Methods 0.000 description 6
- 238000001125 extrusion Methods 0.000 description 4
- 238000005299 abrasion Methods 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 210000003811 finger Anatomy 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 210000003813 thumb Anatomy 0.000 description 1
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Abstract
The utility model discloses an arc bending device in middle of reinforcing bar. It includes the action wheel, follows the driving wheel, sets up at the action wheel and follow between the driving wheel and with lock the mobilizable regulating wheel that regulating wheel positioner is connected, characterized by: the wheel body surface of the driving wheel is provided with three cutting planes formed by cutting along the wheel body axial direction of the driving wheel, the side lengths of three edges formed by the three cutting planes in the orthographic projection of the wheel body of the driving wheel are equal, the extension lines of the three edges intersect outside the orthographic projection of the wheel body of the driving wheel to form an equilateral triangle, and the three edges intersect with the wheel body of the driving wheel to form three arc sections with equal arc lengths. The utility model discloses simple structure, the machined part size that the bending was made is unanimous, and the machining precision is high, and only needs the microspur to adjust the regulating wheel when installing the reinforcing bar and dismantling the reinforcing bar and retreat, can install the reinforcing bar very easily and dismantle, has improved machining efficiency greatly to manual work intensity has been reduced.
Description
Technical Field
The utility model relates to a curved arc device of reinforcing bar, especially a curved arc device in middle of the reinforcing bar is a device that is used for curved arc in the middle of the reinforcing bar.
Background
With the rapid development of railway construction, in order to shorten the length of a railway line, tunnel crossing is the best open circuit mode in mountains, the tunnel construction risk is high, the difficulty is high, and the standard requirement on the tunnel construction is higher at present. In a construction section with two lining steel bars for tunnel inverted arch lining, pre-bending of inverted arch steel bars, consistency of pre-bending angles and low batch processing efficiency become problems to be solved.
The bending device for the traditional inverted arch steel bars mainly has two modes: firstly, adopt ordinary reinforcing bar curved arc machine to carry out bending process, ordinary reinforcing bar curved arc machine mainly includes a action wheel, one is from the driving wheel, manual adjustable regulating wheel is established to the centre, this curved arc machine is through reinforcing bar end pay-off entering curved arc machine, crooked whole reinforcing bar all is unified circular arc or circle machined part, nevertheless the difficult system of bending of the reinforcing bar of curved arc in the middle of its bending, need put the curved arc machine back with straight reinforcing bar during the reinforcing bar of curved arc in the middle of the bending, need manual tight regulating wheel in top on a large scale, with reinforcing bar top bending to required radian position, adjust the regulating wheel on a large scale again after the system of bending is accomplished and move back to and can lay straight reinforcing bar state, otherwise the reinforcing bar can't be dismantled. If the workpiece is manufactured by manually pushing the bent steel bar through the large-range tightness adjusting wheel with force, the processing efficiency is low, the manual operation intensity is high, and the sizes of the processed arcs are difficult to unify; secondly, adopt the steel sheet to form a workstation as tray and welding landing leg, the circular arc reinforcing bar spare size welding reference column of processing as required adopts the manual work to break off with the fingers and thumb, adopts this mode equally the efficiency lower, manual work intensity is higher to the circular arc size that processes out is difficult unified.
Disclosure of Invention
To the above-mentioned defect that exists among the prior art, the utility model provides a curved arc device in the middle of the reinforcing bar that machining precision is high, machining efficiency is high, manual work intensity is low.
The utility model discloses a realize through following technical scheme: the utility model provides a curved arc device in middle of reinforcing bar, includes the action wheel, follows the driving wheel, sets up between the action wheel and follow the driving wheel and with the mobilizable regulating wheel that locking regulating wheel positioner is connected, characterized by: the wheel body surface of the driving wheel is provided with three cutting planes formed by cutting along the wheel body axial direction of the driving wheel, the side lengths of three edges formed by the three cutting planes in the orthographic projection of the wheel body of the driving wheel are equal, the extension lines of the three edges intersect outside the orthographic projection of the wheel body of the driving wheel to form an equilateral triangle, and the three edges intersect with the wheel body of the driving wheel to form three arc sections with equal arc lengths.
The utility model discloses during the use, loosen the regulating wheel, the reinforcing bar is from the driven wheel end toward the curved system of driving wheel end, and the reinforcing bar front end pushes away to the front end setpoint, adjusts the regulating wheel to curved system position and locking, starts the curved system reinforcing bar radian of curved arc machine, and when the reinforcing bar was accomplished in the curved system, loosen the regulating wheel, take out the curved circular arc reinforcing bar of making. Because the wheel body of action wheel has the cutting plane, the remaining three-section circular arc section of wheel body contacts with the reinforcing bar at the bending in-process, the contact extrusion bending of action wheel at every turn in the form of approximate "point" in the reinforcing bar atress bending process to realize the circular arc that "multisection line" made up more round and smooth, realize the curved arc in the middle of the reinforcing bar, simultaneously because the wheel body of action wheel has the cutting plane, only need the little distance to adjust the regulating wheel and retreat when installing the reinforcing bar and dismantling the reinforcing bar, can install the reinforcing bar easily and dismantle.
Further, in order to guarantee to contact the extrusion bending with the form of "point" as far as possible at every turn, realize the circular arc that "many section lines" made up more roundly and smoothly, and in order to guarantee that the reinforcing bar of being convenient for is dismantled, the length L of the circular arc section of the wheel body of action wheel is not more than 45mm, the chordal height h of the cutting plane of action wheel is not more than 2/3 of crooked reinforcing bar diameter.
Further, the phenomenon that abrasion is large due to insufficient hardness is avoided, the driving wheel, the driven wheel and the regulating wheel are all hardened, and the hardness is HRC 50-52 degrees.
Further, preferably, the driving wheel, the driven wheel and the adjusting wheel are straight wheels.
Furthermore, the driving wheel, the driven wheel and the adjusting wheel are all grooved wheels, and the diameter of the rim at the upper end of each grooved wheel is smaller than that of the rim at the lower end of each grooved wheel.
The utility model has the advantages that: the utility model discloses simple structure, because the wheel body of action wheel has the cutting plane, remaining three-section circular arc section of wheel body is at curved system in-process and reinforcing bar contact, reinforcing bar atress bending process in the action wheel is at every turn with the form contact extrusion bending in order to be similar to "point", thereby realize the circular arc that "multisection line" more in the same direction as circle made up into, realize the curved arc in the middle of the reinforcing bar, and the machined part size of bending out is unanimous, machining precision is high, and simultaneously, because the wheel body of action wheel has the cutting plane, only need the microspur to retreat from adjusting the regulating wheel when installation reinforcing bar and dismantlement reinforcing bar, can install the reinforcing bar very easily and dismantle, machining efficiency is greatly improved, and manual work intensity has been reduced. The utility model discloses can reequip on the basis of current reinforcing bar machine of bending, the input cost is lower, and the efficiency of construction is high, and the work progress is easily controlled, can be better under the prerequisite of guaranteeing its processingquality, improves the efficiency of construction, has reduced workman's operation work degree.
Drawings
FIG. 1 is a schematic structural diagram of an embodiment of the present invention;
fig. 2 is a front view of the driving wheel of the present invention;
fig. 3 is a front view of the wheel body of the driving wheel of the present invention;
FIG. 4 is a schematic structural view of a grooved wheel according to an embodiment of the present invention;
in the figure, the device comprises a driving wheel 1, a driving wheel 2, a driven wheel 3, an adjusting wheel 4, a locking adjusting wheel positioning device 5 and a working platform.
Detailed Description
The invention will now be further described by way of non-limiting examples with reference to the accompanying drawings:
as shown in the attached drawings, the reinforcing steel bar middle arc bending device is an improvement on a driving wheel on the basis of a common reinforcing steel bar arc bending machine. The device comprises a driving wheel 1, a driven wheel 2 and an adjusting wheel 3 arranged between the driving wheel 1 and the driven wheel 2, wherein the adjusting wheel 3 is connected with a locking adjusting wheel positioning device 4, the adjusting wheel 3 moves under the action of the locking adjusting wheel positioning device 4, and the position can be locked through the locking adjusting wheel positioning device 4. Locking regulating wheel positioner 4 mainly includes threaded rod, the nut fixed plate be connected with the regulating wheel mount pad, fix on the nut fixed plate and with threaded rod complex nut, can drive the regulating wheel through rotating the threaded rod and remove, set up lock nut on the threaded rod and be used for locking the position of regulating wheel. The improvement that this application was made action wheel 1 does: the wheel body surface of the driving wheel 1 is provided with three cutting planes formed by cutting along the wheel body axial direction of the driving wheel 1, the three edges formed by the three cutting planes in the orthographic projection of the wheel body of the driving wheel 1 are equal in side length, the extension lines of the three edges are intersected outside the orthographic projection of the wheel body of the driving wheel 1 to form an equilateral triangle, and the three edges are intersected with the wheel body of the driving wheel 1 to form three arc sections 7 with equal arc lengths.
In order to ensure that the driving wheel contacts, extrudes and bends in a point mode as much as possible at each time, the circular arc formed by combining round and smooth 'multi-section lines' is realized, and the steel bars are convenient to disassemble, preferably, the length L of the circular arc section of the wheel body of the driving wheel 1 is not more than 45mm, and the chord height h of the cutting plane of the driving wheel 1 is not more than 2/3 of the diameter of the bent steel bars.
Taking a common steel bar arc bending machine capable of bending a steel bar with the diameter phi of 12-phi 25mm in the prior art as an example, the center distance between a driving wheel 1 and a driven wheel 2 is 250mm, the diameters of the driving wheel, the driven wheel and an adjusting wheel are all 120mm, when the steel bar with the diameter of 22mm is processed, the length L of an arc section of a wheel body of the driving wheel 1 is preferably 41mm, and the chord height h of a cutting plane of the driving wheel 1 is 14 mm.
In order to prevent the large abrasion caused by insufficient hardness, the driving wheel 1, the driven wheel 2 and the adjusting wheel 3 are all required to be hardened, and the hardness is preferably HRC 50-52 degrees.
The utility model provides an action wheel 1 from the preferred straight body wheel that adopts of driving wheel 2, regulating wheel 3. In order to fix the steel bars conveniently, when the driving wheel 1, the driven wheel 2 and the regulating wheel 3 adopt grooved wheels, the diameter of the rim at the upper end of each grooved wheel is smaller than that of the rim at the lower end of each grooved wheel, so that the steel bars can be mounted and dismounted conveniently, and the cutting mode of the wheel body of the driving wheel 1 is the same as that of a straight wheel.
The utility model discloses the during operation loosens 3 small distances of locking regulating wheel positioner regulation regulating wheel and retreats, and the reinforcing bar is followed the driven wheel end and is bent the system toward the driving wheel end, and the reinforcing bar front end pushes away to the front end setpoint, adjusts 4 messenger's regulating wheels of locking regulating wheel positioner and impels to the system position of bending and locking, starts the curved system reinforcing bar radian of curved arc machine. When the steel bar is bent, the locking adjusting wheel positioning device is loosened to adjust the adjusting wheel 3 to retreat in a small distance, and the bent arc steel bar is taken out. Because the wheel body of action wheel 1 has the cutting plane, the remaining three-section circular arc section 7 of wheel body contacts with the reinforcing bar at the bending in-process, the reinforcing bar atress bending in-process action wheel contacts extrusion bending with the form that is similar to "point" at every turn to realize the circular arc that "multisection line" more circle is smooth makes up, realize the curved arc in the middle of the reinforcing bar, simultaneously because the wheel body of action wheel 1 has the cutting plane, only need the little distance to adjust the regulating wheel and retreat when installing the reinforcing bar and dismantling the reinforcing bar, can install and dismantle the reinforcing bar easily.
Other parts in this embodiment are the prior art, and are not described herein again.
Claims (5)
1. The utility model provides a curved arc device in middle of reinforcing bar, includes action wheel (1), follows driving wheel (2), sets up at action wheel (1) and follow between driving wheel (2) and with locking movable regulating wheel (3) that regulating wheel positioner is connected, characterized by: the wheel body surface of action wheel (1) is equipped with three cutting plane along the wheel body axial cutting formation of action wheel (1), three limit length of side that three cutting plane formed in the orthographic projection of the wheel body of action wheel (1) are equal and its extension line intersects outside the orthographic projection of the wheel body of action wheel (1) and forms regular triangle, and the intersection of this three limit and the wheel body of action wheel (1) forms the circular arc section that three sections arc length are equal.
2. The reinforcing bar intermediate bending apparatus as set forth in claim 1, wherein: the length L of the arc section of the wheel body of the driving wheel (1) is not more than 45mm, and the chord height h of the cutting plane of the driving wheel (1) is not more than 2/3 of the diameter of the bent steel bar.
3. The reinforcing bar intermediate bending apparatus as set forth in claim 1, wherein: the driving wheel (1), the driven wheel (2) and the adjusting wheel (3) are all hardened, and the hardness of the driving wheel, the driven wheel and the adjusting wheel is HRC 50-52 degrees.
4. A reinforcing bar intermediate bending apparatus as claimed in claim 1, 2 or 3, wherein: the driving wheel (1), the driven wheel (2) and the adjusting wheel (3) are straight wheels.
5. A reinforcing bar intermediate bending apparatus as claimed in claim 1, 2 or 3, wherein: the driving wheel (1), the driven wheel (2) and the adjusting wheel (3) are all grooved wheels, and the diameter of the rim at the upper end of each grooved wheel is smaller than that of the rim at the lower end of each grooved wheel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920978293.9U CN210208410U (en) | 2019-06-27 | 2019-06-27 | Middle arc bending device for reinforcing steel bars |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920978293.9U CN210208410U (en) | 2019-06-27 | 2019-06-27 | Middle arc bending device for reinforcing steel bars |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210208410U true CN210208410U (en) | 2020-03-31 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920978293.9U Expired - Fee Related CN210208410U (en) | 2019-06-27 | 2019-06-27 | Middle arc bending device for reinforcing steel bars |
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| Country | Link |
|---|---|
| CN (1) | CN210208410U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113737659A (en) * | 2021-09-24 | 2021-12-03 | 中建科工集团有限公司 | Manufacturing method of vase pier R-angle template |
-
2019
- 2019-06-27 CN CN201920978293.9U patent/CN210208410U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113737659A (en) * | 2021-09-24 | 2021-12-03 | 中建科工集团有限公司 | Manufacturing method of vase pier R-angle template |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200331 |
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| CF01 | Termination of patent right due to non-payment of annual fee |