CN104259344A - Bending machine of reinforcing steel bar - Google Patents
Bending machine of reinforcing steel bar Download PDFInfo
- Publication number
- CN104259344A CN104259344A CN201410472673.7A CN201410472673A CN104259344A CN 104259344 A CN104259344 A CN 104259344A CN 201410472673 A CN201410472673 A CN 201410472673A CN 104259344 A CN104259344 A CN 104259344A
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- rocker piece
- bending
- bender
- bell crank
- steel
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- 238000005452 bending Methods 0.000 title claims abstract description 117
- 229910001294 Reinforcing steel Inorganic materials 0.000 title abstract 3
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 95
- 239000010959 steel Substances 0.000 claims abstract description 95
- 238000007667 floating Methods 0.000 claims abstract description 26
- 230000009467 reduction Effects 0.000 claims abstract description 4
- 230000003014 reinforcing effect Effects 0.000 claims description 41
- 210000001624 hip Anatomy 0.000 claims description 10
- 230000002787 reinforcement Effects 0.000 claims description 3
- 238000003462 Bender reaction Methods 0.000 claims 3
- 230000007246 mechanism Effects 0.000 abstract description 2
- 230000006872 improvement Effects 0.000 description 12
- 230000000694 effects Effects 0.000 description 7
- 238000010276 construction Methods 0.000 description 4
- 230000001360 synchronised effect Effects 0.000 description 4
- 206010044565 Tremor Diseases 0.000 description 3
- 230000009471 action Effects 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 230000003321 amplification Effects 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 238000003199 nucleic acid amplification method Methods 0.000 description 2
- 238000007665 sagging Methods 0.000 description 2
- 230000000153 supplemental effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 244000309464 bull Species 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 210000002435 tendon Anatomy 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Classifications
-
- 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
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Bending Of Plates, Rods, And Pipes (AREA)
Abstract
The invention relates to a bending machine of a reinforcing steel bar. The machine is characterized in that a machine head is positioned above an I-shaped steel; a vertical plate is connected below the machine head; rollers are respectively mounted on the vertical plate; a brake is fixed to the vertical plate; a floating block is inserted in the center of a fixing frame of the brake; a long vertical pin is inserted into the rear part of the floating block and can move up and down; a C-shaped groove is arranged in the front end of the floating block; two symmetric bell crank levers are hinged to the vertical through groove in the lower middle part of the C-shaped groove; supporting points of the bell crank levers are hinged to a long horizontal pin; short arms of the levers respectively extend to the outer sides in the left and right directions, and floating clamp heads are respectively hinged to the short arms; the floating clamp heads and the top surface of the C-shaped groove are respectively clamped to the upper side and the lower side of the I shape; braking air bags are mounted at the lower ends of long arms of the levers; the machine head is that a speed reduction mechanism drives a bending output shaft, and the bending output shaft drives a bending arm through a crankshaft to rotate in a circular arc groove. The bending machine of the reinforcing steel bar is simple in structure, and can travel along the I-shaped steel; the machine can perform bending in two directions, and the braking force is large.
Description
Technical field
The present invention relates to a kind of angle bender, for the bending of reinforcing bar head during architecture construction, belong to building machinery technical field.
Background technology
Beam column built from concrete or floorboard etc. all need to use reinforcing bar in a large number, and the termination of reinforcing bar needs bending to strengthen anchor force mostly.Traditional wrap direction is on iron chopping board, weld the bending post holded up, and is manually stuck in by steel bar end between bending post, then pulls reinforcing bar and makes tip bend.Such construction is few for quantity, diameter is little and the reinforcing bar that intensity is low is still applicable, large and the reinforcing bar that intensity is high of, diameter many for quantity, traditional mode labour intensity is large, and efficiency of construction is low, obviously not competent, often need to carry out by means of angle bender.
Angle bender on market has various ways, and great majority are fixedly mounted by bender, and stretch in the mould of respective shapes by reinforcing bar head, then hydraulic mechanism presses down in the groove on end reinforced press-in die, makes reinforcing bar head shaping.In construction, winch to bending operation area often through crane by concentrated for the tendon of whole bundle, concentrate again after bending and hang.During bending, by human assistance, the termination of reinforcing bar is sent in bender.Because the length of every root reinforcing bar is often long, weight ratio is heavier, and moved by hand compares effort, and hard-wired bender needs manually to pull reinforcing bar to adjust the intubating length of termination.
Summary of the invention
The object of the invention is to, overcome problems of the prior art, provide a kind of angle bender, structure is simple, can adjust the intubating length of steel bar end flexibly.
For solving above technical problem, a kind of angle bender of the present invention, comprise bender head and brake, described bender head is positioned at above I-steel, the below of described bender head is fixedly connected with the bender riser laying respectively at both sides before and after described I-steel, and the end face in opposite directions of bender riser described in two is all with the axis being parallel of described I-steel and all perpendicular to the end face of described I-steel; Described bender riser is separately installed with the roller that can roll along the wing plate of described I-steel, described brake is fixed on described bender riser.
Relative to prior art, the present invention achieves following beneficial effect: owing to being arranged on I-steel by bender head, and can be walked on I-steel by roller, after reinforcing bar inserts bender, head moves along I-steel, after the steel bar end length of insertion is met the requirements, bender head is locked on I-steel by brake, then carries out bending operation; After bending, can enter and adjust next time by release brake.
As improvement of the present invention, described brake comprises the fixed frame be fixed on bender riser, the center of described fixed frame is provided with the rocker piece installing hole extended along the longitudinal direction, rocker piece is plugged with in described rocker piece installing hole, the rear portion of described rocker piece is plugged with vertically to have strong market potential and can vertically have strong market potential and moves up and down, and described two ends up and down of vertically having strong market potential are separately fixed on two frames up and down of described fixed frame, the front end of described rocker piece is provided with opening rocker piece C connected in star forward, described rocker piece C connected in star extends along the full duration direction of rocker piece, the vertical groove of rocker piece is provided with in the middle part of the below of described rocker piece C connected in star, two symmetrically arranged bell crank levers are hinged with in the vertical groove of described rocker piece, the fulcrum place, turning of bell crank lever described in two is hinged on level has strong market potential respectively, the rear and front end that level described in two is had strong market potential is separately fixed on described rocker piece, the galianconism of bell crank lever described in two extends respectively to the outside of left and right directions and galianconism is hinged with floating clamp respectively by clamper pin axial symmetry, the top of described floating clamp is horizontal and be separately installed with chuck and stop skin, the stop end face of skin and described rocker piece C connected in star of described chuck is clipped in the both sides up and down of described I-steel wing plate respectively, the long-armed of bell crank lever described in two extends respectively to below, and the long-armed lower end of bell crank lever described in two is provided with the braking gas bag that can control the long-armed folding of described bell crank lever.(1) fixed frame is fixed on bender riser and makes brake with bender head synchronous walking, the rear end of rocker piece is arranged in the rocker piece installing hole of fixed frame, the rocker piece C connected in star of rocker piece front end is stuck in the both sides up and down of I-steel wing plate, and rocker piece entirety vertically can be had strong market potential and to be moved up and down in fixed frame; (2) the turning fulcrum of bell crank lever is hinged on rocker piece on having strong market potential respectively by level, the long-armed of two bell crank levers is power arm, galianconism is resistance arm, the compact conformation of bell crank lever, take up space little and power arm is larger relative to the length multiple of resistance arm, the clamping force that resistance arm is formed is larger; (3), when braking gas bag and carrying out braking maneuver, the two long-armed lower ends of bell crank lever mutually strut distance and become large, and two bell crank lever galianconism laterals are rotated, and floating clamp moves up thereupon, with the end face of rocker piece C connected in star, I-steel wing plate is firmly clamped locking; (4), because the lower end that two bell crank levers are long-armed is synchronous relative motion, because active force and reaction force all produce the power of clamping, the brake force that braking gas bag produces is exaggerated twice herein.Again because rocker piece can vertically be had strong market potential movement, when floating clamp moves upward, rocker piece moves downward, and the end face of floating clamp and rocker piece C connected in star produces move toward one another, in like manner active force and reaction force all produce clamping force, and clamping force is exaggerated twice again herein.Compared with the unidirectional clamping of employing cylinder, except lever, clamping force has been exaggerated four times.(5) floating clamp is hinged on bell crank lever by chuck bearing pin, although bell crank lever there occurs rotation, the chuck of floating clamp stop skin still can automatically and I-steel match.
As a further improvement on the present invention, the end face of described rocker piece C connected in star is distributed with multiple rocker piece that Open Side Down and stops hole skin, the stop axis of hole skin of each described rocker piece is parallel to each other and extends along the longitudinal direction, and each described rocker piece is stopped and to be separately installed with rocker piece in hole skin and to stop bar.Rocker piece bar of stopping can increase the frictional force with I-steel, improves locking effect.
As a further improvement on the present invention, be installed with isosceles trapezoid block in the middle part of the front end face of the bottom frame of described fixed frame, described isosceles trapezoid block presents little lower macrostructure; The long-armed upper rear end face of described bell crank lever is symmetrically installed with finger, and the external end head of finger described in two rearward stretches out and symmetry is positioned at outside two waists of described isosceles trapezoid block; When the lower end that bell crank lever described in two is long-armed is opened, described finger departs from described isosceles trapezoid block respectively, and when the lower end that bell crank lever described in two is long-armed closes up, the waist of described finger respectively along described isosceles trapezoid block is up.When braking the brake force releasing that gas bag produces, lower end reset close to each other under action of reset spring that two bell crank levers are long-armed, spacing between finger also reduces gradually, after on two waists that two fingers are attached to isosceles trapezoid block simultaneously, can not move because isosceles trapezoid block is fixed on fixed frame, therefore finger can only be up along two waists of isosceles trapezoid block, finger drives bell crank lever and then drives rocker piece up, the end face of floating clamp and rocker piece C connected in star is made to depart from the lower planes of I-steel wing plate respectively, bender head can be moved freely, avoid the wearing and tearing producing unnecessary resistance and brake.
As preferred version of the present invention, the long-armed length of described bell crank lever is 7 ~ 10 times of described bell crank lever galianconism length.For 7.5 times that long-armed length is galianconism length, the brake force that braking gas bag produces is exaggerated 2 times in long-armed lower end, 7.5 times are amplified by the arm of force of bell crank lever, amplification 2 times is continued between floating clamp and rocker piece, the actual clamping force produced is 30 times of the brake force that braking gas bag produces, far beyond the brake force that common cylinder produces.
As a further improvement on the present invention, tensile gas bag axle under described braking gas bag is included in gas pressure, the two ends of described gas bag axle are supported on the long-armed lower end of bell crank lever described in two respectively, are connected with back-moving spring between the lower end that bell crank lever described in two is long-armed.During the inflation of braking gas bag, lower end long-armed for two bell crank levers struts by gas bag elongate axis, produces pinching action; After braking gas bag loses heart, lower end long-armed for two bell crank levers retracts by back-moving spring, and gas bag axle is retracted.
As improvement of the present invention, axis direction along I-steel on each described bender riser is separately installed with two pair roller groups, every pair roller group comprises two described rollers, two upper and lower symmetries of described roller are clipped in the both sides up and down of described I-steel wing plate, each described roller is arranged on roller shaft respectively, and described roller shaft is separately fixed on described bender riser.Both sides bender riser is arranged respectively two groups of rollers, bender head can be made to move freely along I-steel.
As improvement of the present invention, described bender head comprises head casing, in described head casing, motor and reducing gear are installed, the output shaft of described motor and reducing gear is provided with driver pinion, described driver pinion drives bending output shaft by train of reduction gears, the axes normal of described bending output shaft is in the axis of described I-steel, the rear end of described bending output shaft is connected with the crank that can rotate around bending output shaft, the free end of described crank is fixedly connected with bending arm, and the axis being parallel of described bending arm is in the axis of described bending output shaft; The rear board of described head casing is provided with arc groove, and the rear end of described bending arm is stretched out from described arc groove; Described head cabinet rear panel is fixed with reinforcing bar chuck, described reinforcing bar chuck, arc groove all with described bending output shaft coaxial line, described reinforcing bar chuck is provided with chuck level trough, the axis being parallel of described chuck level trough in the axis of described I-steel, and the width of chuck level trough and the diameter of bend reinforcement suitable.Motor and reducing gear drive driver pinion to rotate, and driver pinion drives bending output shaft to rotate by train of reduction gears, and bending output shaft drives crank, and crank handle turns bending arm rotates in arc groove; During bending, one end of reinforcing bar is inserted in the chuck level trough of reinforcing bar chuck, and steel bar end stretches out from chuck level trough, and reinforcing bar is fixedly played the effect being similar to bending column by chuck level trough, and the now rotation of bending arm will drive steel bar end to rotate its bending.
As a further improvement on the present invention, described bending arm comprises bending arm cylinder body and bending arm plunger, described bending arm cylinder body is fixedly connected on the free end of described crank, and described bending arm plunger is arranged in described bending arm cylinder body and can moves forward and backward along bending arm cylinder body.Under compressed air effect, bending arm plunger can in bending arm cylinder body free-extension, first make bending arm plunger stretch out to rotate forward along arc groove, end is turned to from the top of arc groove, forward bending can be carried out to steel bar end, then bending arm plunger is retracted, behind the position of mobile steel bar end, bending arm plunger stretches out again, make bending arm plunger be positioned at the opposite side of steel bar end, then rotate backward bending arm, transfer back to top from the end of arc groove, by steel bar end inverse bending, so can achieve dog leg.Directly bending arm is made telescopic structure, avoid the cylinder installed at bending arm rear and drive it to stretch, reduce the size of bender head on I-steel width, the cantilever avoiding bender head to stretch out on I-steel width is long, causes shakiness.
As a further improvement on the present invention, described driver pinion is meshed with the jackshaft gear wheel be arranged on jackshaft, described jackshaft is also provided with jackshaft pinion, and described jackshaft pinion is meshed with the output shaft gear wheel be arranged on described bending output shaft.Driver pinion drives jackshaft bull gear drive and then drives jackshaft to rotate, and jackshaft pinion rotates thereupon, and jackshaft pinion is driver output axle gear wheel and then drive bending output shaft rotation again, and rotating speed reduces greatly.
As a further improvement on the present invention, the central angle of described arc groove is 180 ° ~ 270 °, and extends along clockwise direction from immediately below described reinforcing bar chuck.
As a further improvement on the present invention, described head cabinet rear panel is also fixed with Bracket for steel bar, described Bracket for steel bar and described arc groove lay respectively at the left and right sides of described reinforcing bar chuck, and the end face of described Bracket for steel bar is positioned at the below of described chuck level trough, the below of described Bracket for steel bar is connected with bracket holder, and described bracket holder is provided with the bracket holder elongated slot extended along short transverse.Position beyond steel bar end is sagging under gravity, and Bracket for steel bar can carry out supplemental support in the downstream of reinforcing bar chuck to reinforcing bar, and bracket holder elongated slot can make the height adjustable of Bracket for steel bar, can improve the force-bearing situation at reinforcing bar chuck place.
As a further improvement on the present invention, the motor in described motor and reducing gear and described bending output shaft are positioned at homonymy.Can reduce the size of bender head on I-steel width further, the cantilever avoiding bender head to stretch out on I-steel width is long, causes shakiness.
As a further improvement on the present invention, the front end of described bending output shaft is provided with signal wheel, and what described signal was taken turns is circumferentially provided with the travel switch detecting described arc groove extreme position.When bending arm turns to arc groove extreme position, travel switch sends signal and motor is stopped and preparing reversion.
Accompanying drawing explanation
Below in conjunction with the drawings and specific embodiments, the present invention is further detailed explanation, and accompanying drawing only provides reference and explanation use, is not used to limit the present invention.
Fig. 1 is the stereogram of angle bender of the present invention.
Fig. 2 is the stereogram one of bender head in the present invention.
Fig. 3 is the stereogram two of bender head in the present invention.
Fig. 4 is the stereogram three of bender head in the present invention.
Fig. 5 is the front view of brake in the present invention.
Fig. 6 is the top view of Fig. 5.
Fig. 7 is the right view of Fig. 5.
Fig. 8 is the stereogram one of brake in the present invention.
Fig. 9 is the stereogram two of brake in the present invention.
Figure 10 is the three-dimensional exploded view of brake in the present invention.
In figure: 1. I-steel; 2. bender riser; 3. roller shaft; 3a. roller;
4. fixed frame; 4a. fixed frame bolt hole; 4b. rocker piece installing hole; The vertical long pinhole of 4c. fixed frame; 4d. trapezoid block installing hole;
5. rocker piece; 5a. rocker piece C connected in star; The vertical groove of 5b. rocker piece; The vertical long pinhole of 5c. rocker piece; The horizontal long pinhole of 5d. rocker piece; 5e. rocker piece is stopped hole skin; 5f. rocker piece is stopped bar;
6. vertically have strong market potential; 7. level is had strong market potential;
8. bell crank lever; 8a. bell crank lever hinge hole; 8b. chuck hinge hole; 8c. finger installing hole; 8d. gas bag axle installing hole; 8e. finger;
9. brake gas bag; 9a. gas bag axle; 9b. back-moving spring;
10. floating clamp; 10a. chuck is stopped skin; 10b. chuck bearing pin;
11. isosceles trapezoid blocks;
12. head casings; 12a. cabinet rear panel; 12a1. arc groove; 13. motors and reducing gear; 14. driver pinions;
15. jackshafts; 15a. jackshaft gear wheel; 15b. jackshaft pinion;
16. bending output shafts; 16a. output shaft gear wheel; 16b. signal is taken turns;
17. cranks;
18a. bending arm cylinder body; 18b. bending arm plunger;
19. reinforcing bar chucks; 19a. chuck level trough;
20. Bracket for steel bar; 20a. bracket holder; 20a1. bracket holder elongated slot.
Detailed description of the invention
As shown in Figures 1 to 10, angle bender of the present invention comprises bender head and brake, bender head is positioned at above I-steel 1, the end face in opposite directions that the below of bender head is fixedly connected with bender riser 2, the two bender riser 2 laying respectively at both sides before and after I-steel 1 is all with the axis being parallel of I-steel 1 and all perpendicular to the end face of I-steel 1; Bender riser 2 is separately installed with the roller 3a that can roll along the wing plate of I-steel 1, each bender riser 2 is separately installed with two pair roller groups along the axis direction of I-steel 1, every pair roller group comprises two roller 3a, two upper and lower symmetries of roller 3a are clipped in the both sides up and down of I-steel 1 wing plate, and bender head is moved freely along I-steel 1.Each roller is arranged on roller shaft 3 respectively, and roller shaft 3 is separately fixed on bender riser 2.
As shown in Figures 2 to 4, bender head comprises head casing 12, motor and reducing gear 13 are installed in head casing 12, the output shaft of motor and reducing gear 13 is provided with driver pinion 14, driver pinion 14 is meshed with the jackshaft gear wheel 15a be arranged on jackshaft 15, jackshaft 15 is also provided with jackshaft pinion 15b, jackshaft pinion 15b is meshed with the output shaft gear wheel 16a be arranged on bending output shaft 16.Motor in motor and reducing gear 13 and bending output shaft 16 are positioned at homonymy to reduce size in the direction of the width.
The axes normal of bending output shaft 16 is in the axis of I-steel 1, the rear end of bending output shaft 16 is connected with the crank 17 that can rotate around bending output shaft 16, the free end of crank 17 is fixedly connected with bending arm, and the axis being parallel of bending arm is in the axis of bending output shaft 16.The cabinet rear panel 12a of head casing 12 is provided with arc groove 12a1, and the rear end of bending arm is stretched out from arc groove 12a1.Cabinet rear panel 12a is fixed with reinforcing bar chuck 19, reinforcing bar chuck 19, arc groove 12a1 all with bending output shaft 16 coaxial line, reinforcing bar chuck 19 is provided with chuck level trough 19a, the axis being parallel of chuck level trough 19a in the axis of I-steel 1, and the width of chuck level trough 19a and the diameter of bend reinforcement suitable.
Bending arm comprises bending arm cylinder body 18a and bending arm plunger 18b, and bending arm cylinder body 18a is fixedly connected on the free end of crank 17, and bending arm plunger 18b is arranged in bending arm cylinder body 18a and can moves forward and backward along bending arm cylinder body 18a.
The central angle of arc groove 12a1 is 180 ° ~ 270 °, and extends along clockwise direction from immediately below reinforcing bar chuck 19.
Cabinet rear panel 12a is also fixed with Bracket for steel bar 20, Bracket for steel bar 20 and arc groove 12a1 lay respectively at the left and right sides of reinforcing bar chuck 19, and the end face of Bracket for steel bar 20 is positioned at the below of chuck level trough 19a, the below of Bracket for steel bar 20 is connected with bracket holder 20a, and bracket holder 20a is provided with the bracket holder elongated slot 20a1 extended along short transverse.
The front end of bending output shaft 16 is provided with signal wheel 16b, the travel switch being circumferentially provided with detection arc groove extreme position of signal wheel 16b.When bending arm turns to arc groove extreme position, travel switch sends signal and motor is stopped and preparing reversion.
Due to bender head is arranged on I-steel 1, and can be walked on I-steel 1 by roller, after reinforcing bar inserts bender, head moves along I-steel 1, after the steel bar end length of insertion is met the requirements, bender head is locked on I-steel 1 by brake, then carries out bending operation; After bending, can enter and adjust next time by release brake.
During bending operation, motor and reducing gear 13 drive driver pinion 14 to rotate, driver pinion 14 drives jackshaft gear wheel 15a to rotate and then drives jackshaft 15 to rotate, jackshaft pinion 15b rotates thereupon, and jackshaft pinion 15b again driver output axle gear wheel 16a and then drive bending output shaft 16 rotates.Bending output shaft 16 drives crank 17 to rotate, and crank 17 drives bending arm to rotate in arc groove 12a1; During bending, one end of reinforcing bar is inserted in the chuck level trough 19a of reinforcing bar chuck 19, steel bar end stretches out from chuck level trough 19a, reinforcing bar is fixedly played the effect being similar to bending column by chuck level trough 19a, and the now rotation of bending arm will drive steel bar end to rotate its bending.
Under compressed air effect, bending arm plunger 18b can in bending arm cylinder body 18a free-extension, first make bending arm plunger 18b stretch out to rotate forward along arc groove 12a1, end is turned to from the top of arc groove 12a1, forward bending can be carried out to steel bar end, then bending arm plunger 18b retracts, behind the position of mobile steel bar end, bending arm plunger 18b stretches out again, bending arm plunger 18b is made to be positioned at the opposite side of steel bar end, then rotate backward bending arm, transfer back to top from the end of arc groove 12a1, can by steel bar end inverse bending.Directly bending arm is made telescopic structure, avoid the cylinder installed at bending arm rear and drive it to stretch, reduce the size of bender head on I-steel 1 width, the cantilever avoiding bender head to stretch out on I-steel 1 width is long, causes shakiness.
Position beyond steel bar end is sagging under gravity, Bracket for steel bar 20 can carry out supplemental support in the downstream of reinforcing bar chuck 19 to reinforcing bar, bracket holder elongated slot 20a1 can make the height adjustable of Bracket for steel bar 20, can improve the force-bearing situation at reinforcing bar chuck 19 place.
As shown in Fig. 5 to Figure 10, brake comprises fixed frame 4, the center of fixed frame 4 is provided with the rocker piece installing hole 4b extended along the longitudinal direction, and the circumferential side frame of rocker piece installing hole 4b is provided with fixed frame bolt hole 4a, and fixed frame 4 is fixed on bender riser 2 through fixed frame bolt hole 4a by bolt.The two ends up and down of fixed frame 4 are respectively equipped with the vertical long pinhole 4c of the fixed frame connected, and are provided with trapezoid block installing hole 4d in the middle part of the lower frame of fixed frame 4.
Rocker piece 5 is plugged with in rocker piece installing hole 4b, the rear end of rocker piece 5 is provided with the corresponding vertical long pinhole 5c of rocker piece of long pinhole 4c vertical with fixed frame, vertically have strong market potential 6 through the vertical long pinhole 4c of fixed frame and the vertical long pinhole 5c of rocker piece and up and down two ends be separately fixed on two frames up and down of fixed frame 4, rocker piece 5 vertically can be had strong market potential and 6 to be moved up and down.The front end of rocker piece 5 is provided with opening rocker piece C connected in star 5a forward, rocker piece C connected in star 5a extends along the full duration direction of rocker piece 5, the vertical groove 5b of rocker piece is provided with in the middle part of the below of rocker piece C connected in star 5a, two symmetrically arranged bell crank levers 8 are hinged with in rocker piece vertical groove 5b, the fulcrum place, turning of two bell crank levers 8 is respectively equipped with bell crank lever hinge hole 8a, and be hinged on level respectively by bell crank lever hinge hole 8a and have strong market potential on 7, two levels have strong market potential 7 rear and front end be separately fixed in the horizontal long pinhole 5d of rocker piece of rocker piece 5.
The galianconism of two bell crank levers 8 extends respectively to the outside of left and right directions, galianconism termination is respectively equipped with chuck hinge hole 8b, the axis being parallel of chuck hinge hole 8b is in the axis of bell crank lever hinge hole 8a, chuck hinge hole 8b is plugged with chuck bearing pin 10b respectively, chuck bearing pin 10b is hinged with floating clamp 10, and the top of floating clamp 10 is horizontal and be separately installed with chuck and stop skin 10a.
The stop end face of skin 10a and rocker piece C connected in star 5a of chuck is clipped in the both sides up and down of I-steel 1 wing plate respectively; The long-armed of two bell crank levers 8 extends respectively to below, and the long-armed lower end of two bell crank levers is respectively equipped with gas bag axle installing hole 8d, and the axis being parallel of gas bag axle installing hole 8d is in the axis of I-steel 1, and the gas bag axle 9a of braking gas bag 9 is installed in gas bag axle installing hole 8d.
The gas bag axle 9a two ends of braking gas bag 9 are supported on the long-armed lower end of two bell crank levers 8 respectively, are connected with back-moving spring between the lower end that two bell crank levers 8 are long-armed.When braking gas bag 9 is inflated, gas bag axle 9a extends and is strutted lower end long-armed for two bell crank levers 8, produces pinching action; After braking gas bag 9 loses heart, lower end long-armed for two bell crank levers 8 retracts by back-moving spring 9b, and gas bag axle 9a retracts.
Fixed frame 4 is fixed on bender riser 2 and makes brake with bender head synchronous walking, the rear end of rocker piece 5 is arranged in the rocker piece installing hole 4b of fixed frame 4, the rocker piece C connected in star 5a of rocker piece 5 front end is stuck in the both sides up and down of I-steel 1 wing plate, and rocker piece 5 entirety vertically can be had strong market potential and 6 to be moved up and down in fixed frame 4.When braking gas bag 9 and carrying out braking maneuver, the two long-armed lower ends of bell crank lever 8 mutually strut distance and become large, two bell crank lever 8 galianconism laterals are rotated, and floating clamp 10 moves up thereupon, with the end face of rocker piece C connected in star 5a, I-steel 1 wing plate is firmly clamped locking.Because the lower end that two bell crank levers 8 are long-armed is synchronous relative motion, because active force and reaction force all produce the power of clamping, the brake force that braking gas bag 9 produces is exaggerated twice herein.6 to move because rocker piece 5 can vertically be had strong market potential again, when floating clamp 10 moves upward, rocker piece 5 moves downward, and floating clamp 10 produces move toward one another with the end face of rocker piece C connected in star 5a, in like manner active force and reaction force all produce clamping force, and clamping force is exaggerated twice again herein.Floating clamp 10 is hinged on bell crank lever 8 by chuck bearing pin 10b, although bell crank lever 8 there occurs rotation, the chuck of floating clamp 10 stop skin 10a still can automatically and I-steel 1 match.
The long-armed length of bell crank lever is preferably 7 ~ 10 times of bell crank lever galianconism length.For 7.5 times that long-armed length is galianconism length, the brake force that braking gas bag 9 produces is exaggerated 2 times in long-armed lower end, 7.5 times are amplified by the arm of force of bell crank lever 8, amplification 2 times is continued between floating clamp 10 and rocker piece 5, the actual clamping force produced is 30 times of the brake force that braking gas bag 9 produces, far beyond the brake force that common cylinder produces.
The end face of rocker piece C connected in star 5a is distributed with multiple rocker piece that Open Side Down and stops hole skin 5e, and the stop axis of hole skin 5e of each rocker piece is parallel to each other and extends along the longitudinal direction, and each rocker piece is stopped and to be separately installed with rocker piece in hole skin 5e and to stop bar 5f.The rocker piece bar 5f that stops can increase the frictional force with I-steel 1, improves locking effect.
Be connected with isosceles trapezoid block 11 in the middle part of the front end face of the bottom frame of fixed frame 4, isosceles trapezoid block 11 is fixed through trapezoid block installing hole 4d by pin.Isosceles trapezoid block 11 presents little lower macrostructure; The long-armed upper rear end face of bell crank lever 8 is symmetrically installed with finger 8e, the grafting be fixed in finger installing hole 8c respectively of the inner termination of two finger 8e, and the external end head of two finger 8e rearward stretches out and symmetry is positioned at outside two waists of isosceles trapezoid block 11; When the lower end that two bell crank levers 8 are long-armed is opened, finger 8e departs from isosceles trapezoid block 11 respectively, and when the lower end that two bell crank levers 8 are long-armed closes up, the waist of finger 8e respectively along isosceles trapezoid block 11 is up.
When braking the brake force releasing that gas bag 9 produces, lower end reset close to each other under back-moving spring 9b effect that two bell crank levers 8 are long-armed, spacing between finger 8e also reduces gradually, after on two waists that two finger 8e are attached to isosceles trapezoid block 11 simultaneously, can not move because isosceles trapezoid block 11 is fixed on fixed frame 4, therefore finger 8e can only be up along two waists of isosceles trapezoid block 11, finger 8e drives bell crank lever 8 and then drives rocker piece 5 up, floating clamp 10 is made to depart from the lower planes of I-steel 1 wing plate respectively with the end face of rocker piece C connected in star 5a, bender head can be moved freely, avoid the wearing and tearing producing unnecessary resistance and brake.
The foregoing is only the better possible embodiments of the present invention, non-ly therefore limit to scope of patent protection of the present invention.In addition to the implementation, the present invention can also have other embodiments.All employings are equal to the technical scheme of replacement or equivalent transformation formation, all drop in the protection domain of application claims.The present invention can pass through without the technical characteristic described or adopt existing techniques in realizing, does not repeat them here.
Claims (14)
1. an angle bender, comprise bender head and brake, described bender head is positioned at above I-steel, it is characterized in that: the below of described bender head is fixedly connected with the bender riser laying respectively at both sides before and after described I-steel, the end face in opposite directions of bender riser described in two is all with the axis being parallel of described I-steel and all perpendicular to the end face of described I-steel; Described bender riser is separately installed with the roller that can roll along the wing plate of described I-steel, described brake is fixed on described bender riser.
2. angle bender according to claim 1, it is characterized in that: described brake comprises the fixed frame be fixed on bender riser, the center of described fixed frame is provided with the rocker piece installing hole extended along the longitudinal direction, rocker piece is plugged with in described rocker piece installing hole, the rear portion of described rocker piece is plugged with vertically to have strong market potential and can vertically have strong market potential and moves up and down, and described two ends up and down of vertically having strong market potential are separately fixed on two frames up and down of described fixed frame, the front end of described rocker piece is provided with opening rocker piece C connected in star forward, described rocker piece C connected in star extends along the full duration direction of rocker piece, the vertical groove of rocker piece is provided with in the middle part of the below of described rocker piece C connected in star, two symmetrically arranged bell crank levers are hinged with in the vertical groove of described rocker piece, the fulcrum place, turning of bell crank lever described in two is hinged on level has strong market potential respectively, the rear and front end that level described in two is had strong market potential is separately fixed on described rocker piece, the galianconism of bell crank lever described in two extends respectively to the outside of left and right directions and galianconism is hinged with floating clamp respectively by clamper pin axial symmetry, the top of described floating clamp is horizontal and be separately installed with chuck and stop skin, the stop end face of skin and described rocker piece C connected in star of described chuck is clipped in the both sides up and down of described I-steel wing plate respectively, the long-armed of bell crank lever described in two extends respectively to below, and the long-armed lower end of bell crank lever described in two is provided with the braking gas bag that can control the long-armed folding of described bell crank lever.
3. angle bender according to claim 2, it is characterized in that: the end face of described rocker piece C connected in star is distributed with multiple rocker piece that Open Side Down and stops hole skin, the stop axis of hole skin of each described rocker piece is parallel to each other and extends along the longitudinal direction, and each described rocker piece is stopped and to be separately installed with rocker piece in hole skin and to stop bar.
4. angle bender according to claim 2, is characterized in that: be installed with isosceles trapezoid block in the middle part of the front end face of the bottom frame of described fixed frame, and described isosceles trapezoid block presents little lower macrostructure; The long-armed upper rear end face of described bell crank lever is symmetrically installed with finger, and the external end head of finger described in two rearward stretches out and symmetry is positioned at outside two waists of described isosceles trapezoid block; When the lower end that bell crank lever described in two is long-armed is opened, described finger departs from described isosceles trapezoid block respectively, and when the lower end that bell crank lever described in two is long-armed closes up, the waist of described finger respectively along described isosceles trapezoid block is up.
5. angle bender according to claim 2, is characterized in that: the long-armed length of described bell crank lever is 7 ~ 10 times of described bell crank lever galianconism length.
6. angle bender according to claim 2, it is characterized in that: tensile gas bag axle under described braking gas bag is included in gas pressure, the two ends of described gas bag axle are supported on the long-armed lower end of bell crank lever described in two respectively, are connected with back-moving spring between the lower end that bell crank lever described in two is long-armed.
7. angle bender according to claim 1, it is characterized in that: the axis direction along I-steel on each described bender riser is separately installed with two pair roller groups, every pair roller group comprises two described rollers, two upper and lower symmetries of described roller are clipped in the both sides up and down of described I-steel wing plate, each described roller is arranged on roller shaft respectively, and described roller shaft is separately fixed on described bender riser.
8. angle bender according to claim 1, it is characterized in that: described bender head comprises head casing, in described head casing, motor and reducing gear are installed, the output shaft of described motor and reducing gear is provided with driver pinion, described driver pinion drives bending output shaft by train of reduction gears, the axes normal of described bending output shaft is in the axis of described I-steel, the rear end of described bending output shaft is connected with the crank that can rotate around bending output shaft, the free end of described crank is fixedly connected with bending arm, the axis being parallel of described bending arm is in the axis of described bending output shaft, the rear board of described head casing is provided with arc groove, and the rear end of described bending arm is stretched out from described arc groove, described head cabinet rear panel is fixed with reinforcing bar chuck, described reinforcing bar chuck, arc groove all with described bending output shaft coaxial line, described reinforcing bar chuck is provided with chuck level trough, the axis being parallel of described chuck level trough in the axis of described I-steel, and the width of chuck level trough and the diameter of bend reinforcement suitable.
9. angle bender according to claim 8, it is characterized in that: described bending arm comprises bending arm cylinder body and bending arm plunger, described bending arm cylinder body is fixedly connected on the free end of described crank, and described bending arm plunger is arranged in described bending arm cylinder body and can moves forward and backward along bending arm cylinder body.
10. angle bender according to claim 8, it is characterized in that: described driver pinion is meshed with the jackshaft gear wheel be arranged on jackshaft, described jackshaft is also provided with jackshaft pinion, and described jackshaft pinion is meshed with the output shaft gear wheel be arranged on described bending output shaft.
11. angle benders according to claim 8, is characterized in that: the central angle of described arc groove is 180 ° ~ 270 °, and extends along clockwise direction from immediately below described reinforcing bar chuck.
12. angle benders according to claim 8, it is characterized in that: described head cabinet rear panel is also fixed with Bracket for steel bar, described Bracket for steel bar and described arc groove lay respectively at the left and right sides of described reinforcing bar chuck, and the end face of described Bracket for steel bar is positioned at the below of described chuck level trough, the below of described Bracket for steel bar is connected with bracket holder, and described bracket holder is provided with the bracket holder elongated slot extended along short transverse.
13. angle benders according to claim 8, is characterized in that: the motor in described motor and reducing gear and described bending output shaft are positioned at homonymy.
Angle bender according to any one of 14. according to Claim 8 to 13, is characterized in that: the front end of described bending output shaft is provided with signal wheel, and what described signal was taken turns is circumferentially provided with the travel switch detecting described arc groove extreme position.
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| CN201410472673.7A CN104259344B (en) | 2014-09-17 | 2014-09-17 | A kind of angle bender |
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| CN104259344B CN104259344B (en) | 2016-04-27 |
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| CN110340253A (en) * | 2019-07-22 | 2019-10-18 | 北京多宾城建筑机械有限公司 | All-electric bar straightening bending hoop all-in-one machine |
| CN113680924A (en) * | 2021-07-22 | 2021-11-23 | 谢九赛 | Inner core thimble bending mechanism of wheel speed sensor |
| CN115106455A (en) * | 2022-07-28 | 2022-09-27 | 河南省中州公路工程有限公司 | Reinforcing steel bar bending device |
| US20220325485A1 (en) * | 2020-12-31 | 2022-10-13 | Neusch Innovations, Lp | Temporary bollard wall support structure |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110340253A (en) * | 2019-07-22 | 2019-10-18 | 北京多宾城建筑机械有限公司 | All-electric bar straightening bending hoop all-in-one machine |
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| CN115106455A (en) * | 2022-07-28 | 2022-09-27 | 河南省中州公路工程有限公司 | Reinforcing steel bar bending device |
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| CN104259344B (en) | 2016-04-27 |
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