CN108480516B - Reinforcing steel bar bending device and method and application thereof - Google Patents
Reinforcing steel bar bending device and method and application thereof Download PDFInfo
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- CN108480516B CN108480516B CN201810604670.2A CN201810604670A CN108480516B CN 108480516 B CN108480516 B CN 108480516B CN 201810604670 A CN201810604670 A CN 201810604670A CN 108480516 B CN108480516 B CN 108480516B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21F—WORKING OR PROCESSING OF METAL WIRE
- B21F1/00—Bending wire other than coiling; Straightening wire
- B21F1/004—Bending wire other than coiling; Straightening wire by means of press-type tooling
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Abstract
The invention discloses a device and a method for bending steel bars and application thereof. The device mainly comprises two perforated supports, four sliding chain rods, a tensile bent rod, two air cylinders and a U-shaped pull rod, and the bending method comprises the following steps: s1, installing a steel bar bending device, enabling an air cylinder to work, enabling an air cylinder push rod to apply thrust to two sides of a steel bar through an arc push head, enabling a U-shaped pull rod to pull the middle of the steel bar, and enabling the steel bar to be stressed to bend; s2, replacing a working jack of the sliding chain rod and the tensile bent rod, enabling the cylinder to work again, and enabling the reinforcing steel bars to be further bent under the stress; s3, repeating the step S2 until the reinforcing steel bars are bent in place. Application: the reinforcing steel bar bending device is applied to the lap joint of beam members and beam column members in the construction of assembled reinforced concrete buildings.
Description
Technical Field
The invention belongs to the field of assembly type building construction, and particularly relates to a steel bar bending device, a steel bar bending method and application of the steel bar bending device.
Background
Compared with cast-in-situ building, the assembled building has the advantages of energy conservation, environmental protection, construction period shortening, labor saving and template saving, and in order to adapt to the development of new situations, the popularization and the application of the assembled building are quickened, the project of the building department's modern development schema of building industry' is planned to reach the fact that the assembled building accounts for more than 20% of new building in 2015 and more than 50% of new building in 2025 in 11-month 14-day building department. However, fabricated buildings also have some drawbacks, such as: the assembly type building has weaker integrity and rigidity and poorer shock resistance. In order to ensure the integrity of the assembled reinforced concrete building, when the beam and the beam column members are overlapped, the beam ends extend out of the steel bars and need to be bent according to the design, so that the steel bars are firmly connected. However, since the components at the joints are mutually close, and a plurality of scaffolds are erected on the assembly construction site, the extension length of the steel bars at the beam ends is limited, the bending space of the steel bars is very narrow, the traditional large-arm bending method cannot be applied, and compared with the prior art, the steel bars are bent in the steel bar processing shed when the documents CN201710184489, CN20171039915, CN201710984789, CN201711151671, CN201711204685 and CN201711216939 are all cast-in-situ, the invention is highly needed to invent a device and a method for bending the steel bars at the beam ends in the narrow space in the construction of the assembled reinforced concrete building.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provide a reinforcing steel bar bending device, a reinforcing steel bar bending method and application thereof.
The purpose of the invention is realized in the following way:
the utility model provides a reinforcing bar bending device, includes two perforation supports, and sliding fit has two slip chain poles that are parallel to each other on each perforation support respectively, two slip chain poles's on two perforation supports opposite ends are articulated respectively, the middle part of two perforation support's opposite ends immediately is equipped with the installation breach, and the both ends of a tensile bent rod are inserted respectively in the installation breach of two perforation supports, be equipped with a jack on two perforation supports respectively, be provided with a plurality of jacks along the axial on the slip chain pole, tensile bent rod inserts the both ends of installation breach and is equipped with a jack respectively, jack on any jack, the perforation support on the slip chain pole, tensile bent rod tip are passed through the inserted through the plug and are connected, the middle part of tensile bent rod is equipped with a bent rod square sleeve, the both ends of a bent rod square sleeve are passed the bent rod square sleeve to through the nut locking, the bending part of a U-shaped bent rod is used for the cover on two perforation supports, respectively fixed cylinder is gone up each and is used for fixing the arc push rod with the arc push rod, the arc push rod is used for contacting with the arc push rod.
Preferably, the U-shaped pull rod is positioned right in the middle of the two cylinders.
Preferably, opposite ends of the two sliding chain rods on the two perforated supports are hinged through a chain rod rotating shaft.
Preferably, the crank square sleeve is provided with a sliding hole in clearance fit with the tensile crank.
Preferably, the square sleeve of the bent rod is positioned at the middle of the tensile bent rod.
The steel bar bending method comprises a steel bar bending device, wherein the number of the tensile curved bars is multiple, and the tensile curved bars correspond to multiple jacks on a sliding chain bar, and the method comprises the following steps:
s1, installing a steel bar bending device, wherein an innermost jack of a sliding chain rod, a jack on a perforated support and a jack at the end part of a tensile bent rod are inserted and connected through a plug in the installation process;
s2, the cylinder push rod contracts, the plug is pulled out, the adjacent jack at the outer side of the jack in the step S1 of the sliding chain rod, the jack on the perforation support and the jack at the end part of the tensile curved rod are connected through the plug in an inserting mode, in the step, the tensile curved rod selected in the step S1 is replaced by the tensile curved rod corresponding to the second jack at the inner side of the sliding chain rod, the cylinder works again, and the reinforcing steel bar is stressed to be further bent;
s3, repeating the step S2 until the reinforcing steel bars are bent in place.
The reinforcing steel bar bending device is applied to the lap joint of beam members and beam column members in the construction of assembled reinforced concrete buildings.
By adopting the technical scheme, the invention can simply and rapidly bend the steel bars at any angle in a narrow space by using air pressure as power, and is particularly suitable for bending the steel bars in the lap joint of beam members and beam column members in the construction of assembled reinforced concrete buildings.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a schematic top view of FIG. 1;
FIG. 3 is a schematic cross-sectional view of A-A of FIG. 2;
FIG. 4 is a schematic cross-sectional view of B-B of FIG. 2;
FIG. 5 is a schematic cross-sectional view of C-C of FIG. 2;
FIG. 6 is a schematic diagram of step 1 in an embodiment of the present invention;
FIG. 7 is a schematic diagram of step 2 in an embodiment of the present invention;
FIG. 8 is a schematic diagram of step 3 in an embodiment of the present invention;
FIG. 9 is a schematic diagram of step 4 in an embodiment of the present invention;
FIG. 10 is a schematic diagram of step 5 in an embodiment of the present invention;
FIG. 11 is a schematic diagram of step 6 in an embodiment of the present invention;
FIG. 12 is a schematic diagram of step 7 in an embodiment of the present invention;
FIG. 13 is a schematic view of step 8 in an embodiment of the present invention;
FIG. 14 is a schematic diagram of step 9 in an embodiment of the present invention;
FIG. 15 is a schematic view of step 10 in an embodiment of the present invention.
Reference numerals
In the drawings, 1-a beam to be assembled; 2-extending the steel bars from the beam ends; 3-scaffold; 4, 5-perforated support; 6,7,8, 9-slide chain bar; 10-tensile knee; 11-a chain rod rotating shaft; 12 13-plug; 14, 15-cylinder; 16, 17-arc pusher; an 18-U shaped pull rod; 19-bent rod square sleeve.
Detailed Description
Referring to fig. 1-5, a steel bar bending device comprises two perforated supports, wherein two parallel sliding chain rods are respectively in sliding fit in the perforations of each perforated support, and opposite ends of the two sliding chain rods on the two perforated supports are hinged through a chain rod rotating shaft. Make two perforation supports through the hinge of slip chain pole rotate each other, the middle part of the opposite ends of two perforation supports immediately is equipped with the installation breach, and the both ends of a tensile bent lever insert respectively in the installation breach of two perforation supports, be equipped with a jack on two perforation supports respectively, be provided with a plurality of jacks along the axial on the slip chain pole, the both ends that tensile bent lever inserted the installation breach are equipped with a jack respectively, the jack on arbitrary jack, perforation support on the slip chain pole, the jack of tensile bent lever tip pass through the plug and insert the connection, form a whole of fixing together, the middle part of tensile bent lever is equipped with a bent lever square sleeve, be equipped with slide hole and tensile bent lever clearance fit on the bent lever square sleeve. The square sleeve of the bent rod is positioned in the middle of the tensile bent rod. The bent rod square sleeve is internally vertically inserted with a U-shaped pull rod in an inverted U shape, two ends of the U-shaped pull rod penetrate through the bent rod square sleeve and are locked through nuts, the bent part of the U-shaped pull rod is used for being sleeved on a reinforcing steel bar to provide pulling force, two perforated supports are respectively provided with an air cylinder, and the U-shaped pull rod is positioned in the middle of the two air cylinders. Arc push heads are fixed on push rods of the cylinders respectively and are used for being in contact with the peripheral surfaces of the steel bars to provide thrust.
The steel bar bending method comprises a steel bar bending device, wherein the number of the tensile curved bars is multiple, and the tensile curved bars correspond to multiple jacks on a sliding chain bar, and the method comprises the following steps:
s1, installing a steel bar bending device, wherein an innermost jack of a sliding chain rod, jacks on a perforated support and jacks at the end parts of a tensile bent rod are inserted and connected through bolts in the installation process;
when the device is installed, a proper tensile bent rod is sleeved in first (the bent rod square sleeve is sleeved in the middle of the tensile bent rod in advance), a plug is inserted, an arc push head is aligned to the center of a reinforcing steel bar, then the reinforcing steel bar is sleeved by a U-shaped pull rod, the U-shaped pull rod penetrates through a vertical hole of the bent rod square sleeve, and the U-shaped pull rod is fixed on the bent rod square sleeve by a screw.
S2, the cylinder push rod contracts, the plug is pulled out, the adjacent jack outside the jack in the S1 of the sliding chain rod, the jack on the perforation support and the jack at the end part of the tensile curved rod are connected through the plug in an inserting mode, in the step, the tensile curved rod selected in the step S1 is replaced by the tensile curved rod corresponding to the second jack inside the sliding chain rod, the cylinder works again, and the reinforcing steel bar is stressed to be further bent;
s3, repeating the step S2 until the reinforcing steel bars are bent in place.
Referring to fig. 6-15, in this embodiment, the steel bar is bent 120 degrees according to the requirement, and the steps are performed in 10 steps, which can be seen in the step diagram:
step 1, the reinforcing steel bar is bent by 0 degrees, and the device is installed in place;
the step 2, the device is connected with air pressure to bend the reinforcing steel bars by 24 degrees;
the fourth step is to switch on the air pressure to bend the steel bar by 48 degrees;
the step 6, the device is connected with air pressure to bend the reinforcing steel bars at 72 degrees;
the 8 th step of device is connected with air pressure to bend the reinforcing steel bars by 96 degrees;
and step 10, the device is connected with air pressure to enable the reinforcing steel bars to bend 120 degrees.
Each time a pushing force is applied to bend the steel bar by 24 degrees, including reinstallation of the device after each bending, the operation steps are performed in 10 steps at most, and in practice, the steps of bending the steel bar by using the device can be reduced according to the arrangement condition of the field scaffold, for example: after the step 6 is completed, the steel bar is bent at 72 degrees, the scaffold does not generate barriers to the bending of the steel bar, the end part of the steel bar can be sleeved with a steel pipe, and the residual bending of the steel bar is completed by adopting a traditional large moment arm bending method.
The reinforcing steel bar bending device is applied to the lap joint of beam members and beam column members in the construction of assembled reinforced concrete buildings.
Finally, it is noted that the above-mentioned preferred embodiments are only intended to illustrate rather than limit the invention, and that, although the invention has been described in detail by means of the above-mentioned preferred embodiments, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the scope of the invention as defined by the appended claims.
Claims (5)
1. The steel bar bending device is characterized by comprising two perforated supports, wherein two mutually parallel sliding chain rods are respectively in sliding fit with each perforated support, opposite ends of the two sliding chain rods on the two perforated supports are respectively hinged, mounting notches are vertically formed in the middle of the opposite ends of the two perforated supports, two ends of a tensile bent rod are respectively inserted into the mounting notches of the two perforated supports, two perforated supports are respectively provided with a jack, a plurality of jacks are axially arranged on the sliding chain rods, two ends of the tensile bent rod, which are inserted into the mounting notches, are respectively provided with a jack, any jack on the sliding chain rod, the jack on the perforated support and the jack at the end part of the tensile bent rod are respectively connected through inserting bolts, a bent rod square sleeve is arranged in the middle of the tensile bent rod, two ends of the bent rod penetrate through the bent rod square sleeve and are locked through nuts, the bent parts of the bent rod are used for being sleeved on the perforated supports, and the two pushing force cylinders are respectively fixed on the circumferential surfaces of the two pushing cylinders, and arc-shaped pushing heads are respectively contacted with the pushing rods;
the U-shaped pull rod is positioned in the middle of the two cylinders;
opposite ends of the two sliding chain rods on the two perforated supports are hinged through a chain rod rotating shaft.
2. The reinforcing bar bending apparatus as set forth in claim 1, wherein the square sleeve of the bent bar is provided with a sliding hole in clearance fit with the tensile bent bar.
3. A bar bending apparatus according to claim 1, wherein the square sleeve is located in the very middle of the tension bar.
4. A method for bending steel bars, comprising a steel bar bending device according to any one of claims 1 to 3, wherein the number of the tensile curved bars is a plurality of corresponding to a plurality of insertion holes on the sliding chain bar, and the method comprises the following steps:
s1, installing a steel bar bending device, wherein an innermost jack of a sliding chain rod, a jack on a perforated support and a jack at the end part of a tensile bent rod are inserted and connected through a plug in the installation process;
s2, the cylinder push rod contracts, the plug is pulled out, the adjacent jack at the outer side of the working jack in the step S1 of the sliding chain rod, the jack on the perforation support and the jack at the end part of the tensile curved rod are connected through the plug in an inserting mode, in the step, the tensile curved rod selected in the step S1 is replaced by the tensile curved rod corresponding to the second jack at the inner side of the sliding chain rod, the cylinder works again, and the reinforcing steel bar is further bent under the stress;
s3, repeating the step S2 until the reinforcing steel bars are bent in place.
5. Use of a steel bar bending device according to any one of claims 1-3 in the construction of assembled reinforced concrete constructions, in the overlapping of beam-beam and beam-column components.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810604670.2A CN108480516B (en) | 2018-06-13 | 2018-06-13 | Reinforcing steel bar bending device and method and application thereof |
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| CN201810604670.2A CN108480516B (en) | 2018-06-13 | 2018-06-13 | Reinforcing steel bar bending device and method and application thereof |
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| CN108480516A CN108480516A (en) | 2018-09-04 |
| CN108480516B true CN108480516B (en) | 2023-06-06 |
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| CN111195694B (en) * | 2020-03-12 | 2020-11-13 | 苏州市东挺河智能科技发展有限公司 | Portable bending machine |
| CN112833958A (en) * | 2021-01-22 | 2021-05-25 | 成都建工集团有限公司 | Quality control system for house fine decoration |
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