CN204638979U - A kind of U-shaped screw rod Special pull bending apparatus - Google Patents
A kind of U-shaped screw rod Special pull bending apparatus Download PDFInfo
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- CN204638979U CN204638979U CN201520342811.XU CN201520342811U CN204638979U CN 204638979 U CN204638979 U CN 204638979U CN 201520342811 U CN201520342811 U CN 201520342811U CN 204638979 U CN204638979 U CN 204638979U
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Abstract
The utility model discloses a kind of U-shaped screw rod Special pull bending apparatus, belong to field of machining.It comprises fixing limit part and bending instrument, fixing limit part comprises stopping means and fixture, stopping means comprises stopping means I and stopping means II, the central axis of fixture centre bore is parallel with the confined planes of stopping means I, fixture is arranged on the side of stopping means I axis, the confined planes of stopping means II is parallel with the confined planes of stopping means I, on the center line of the spacing of both confined planes, the opposite side of stopping means I axis, be provided with vertical shaft, stopping means, fixture and vertical shaft are all fixed on workbench.Bending instrument comprises two pulley assemblies and pulley sleeve, and pulley sleeve comprises base plate and sleeve pipe, the parallel and endoporus centerline axis parallel of two pulley assemblies.That reduce the manufacture craft duration of U-shaped screw rod, improve operating efficiency and make quality, reducing labour intensity.
Description
Technical field
The utility model relates to field of machining, particularly relates to a kind of U-shaped screw rod Special pull bending apparatus.
Background technology
Long U-shaped screw rod is one of parts of vibra feeder, and it changes frequent, large usage quantity; In prior art, long U-shaped screw rod heats hammer to U-shaped by the traditional gas cutting of long 1100mm double threaded screw, and the manufacture craft duration is longer, and a large amount of to make working strength comparatively large, time-consumingly takes a lot of work, inefficiency; In order to shorten the technique duration making U-shaped screw rod, increasing work efficiency and making quality, reducing labour intensity, be badly in need of a set of perfect apparatus for bending.
China's utility model, Authorization Notice No.: CN 202527620 U, authorized announcement date: 2012.11.14, disclose a kind of bolt bending machine, base plate is semi-circular sheet steel, and core rod is semi-circular sheet steel, and the base plate semi-circular sheet steel center of circle overlaps with the core rod semi-circular sheet steel center of circle, 35-40mm breach is stayed in core rod semi-circular sheet steel and base plate side, and base plate is connected by welding manner with core rod; Roller is circular steel column, its face of cylinder arranges arc groove, center arranges through hole, roller thickness and core rod semi-circular sheet steel consistency of thickness, the turning rolls that roller arranged outside is supporting with it, turning rolls arranged outside round steel, turning rolls is connected by welding manner with this round steel, turning rolls and roller are actively coupled by pin, and turning rolls and core rod semi-circular sheet steel and base plate are actively coupled by pin; Along core rod rectangle steel plate, place arranges top board, top board and core rod affixed by bolt mode, wheels side arranges fixing.Its weak point is: the U bolt apparatus for bending of this invention is made up of bending platform, control cabinet, motor, decelerator, support five part, wherein bending platform by working plate, thread reels, anti-ly to take turns, workpiece fixed mandril, swivel link form, cost is higher.
Chinese invention patent, application publication number: CN 103192004 A, Shen Qing Publication day: 2013.07.10, discloses a kind of U bolt apparatus for bending, is made up of bending platform, control cabinet, motor, decelerator, support five part.Wherein control cabinet is placed in frame side, be provided with forward, reverse and stop button three gauge taps, wherein reversing button is connected by wire with the spacing contact reversing switch of annulus gathering sill clearing end, and stop button is connected by wire with the spacing contact shutdown switch of annulus gathering sill initiating terminal.Workbench is arranged anti-ly to take turns, thread reels, straight line stud is fixed on and anti-ly takes turns between thread reels, make anti-ly to take turns around thread reels central rotation by transmission device, anti-when taking turns rotation extruding straight line bolt make it around thread reels flexural deformation, and utilize limit switch to control the angle of dehiscing of bolt, to solve, two edge lengths run in U bolt Forging Process are asymmetric, angle of dehiscing is wayward, distortion, screw thread damage and cannot realize the U bolt that precision is high, error is little.Its weak point is: bending device only has a roller, in bending process, easily causes the extruding torsional deformation of sweep; And be through hole in roller, assembly precision is inadequate; Roller inner holes and bolt directly connect, and do not have running in bearings, in bending process, and relative spin friction between roller inner holes with bolt.
Utility model content
1. the utility model technical problem that will solve
For the manufacture craft duration of U-shaped screw rod in prior art, efficiency is low, the problem that working strength is large, the utility model provides a kind of U-shaped screw rod Special pull bending apparatus, that reduce the manufacture craft duration of U-shaped screw rod, improve operating efficiency and make quality, reducing labour intensity.
2. technical scheme
For solving the problem, the technical scheme that the utility model provides is:
A kind of U-shaped screw rod Special pull bending apparatus, comprise fixing limit part and bending instrument, described fixing limit part comprises stopping means and fixture, described stopping means comprises stopping means I and stopping means II, the central axis of described fixture centre bore is parallel with the confined planes of described stopping means I, described fixture is arranged on the side of described stopping means I axis, the confined planes of stopping means II is parallel with the confined planes of stopping means I, on the center line of the spacing of both confined planes, the opposite side of described stopping means I axis, be provided with vertical shaft, described stopping means, described fixture and described vertical shaft are all fixed on workbench,
Stopping means and fixture play fixing spacing effect to shaping front U-shaped screw rod, thus reach U-shaped screw rod in bending process and be not distorted, vertical shaft and stopping means and fixture in bending process to the acting in conjunction of U-shaped screw rod, thus avoid the U mouth position of U-shaped screw rod not to be distorted, ensure that shaping rear two edge lengths of U-shaped screw rod are consistent, avoid the generation of the asymmetric situation of two edge lengths.
Described bending instrument comprises two pulley assemblies and pulley sleeve, described pulley sleeve comprises base plate and sleeve pipe, the internal orifice dimension of two pulley assemblies is parallel, the outside of the endoporus of two pulley assemblies is respectively equipped with a base plate, pulley spindle passes the endoporus of two pieces of base plates and pulley assembly, one of them pulley assembly is arranged on the top between two pieces of base plates, described vertical shaft passes the endoporus of base plate and pulley assembly, another pulley assembly is arranged on the bottom between two pieces of base plates, two pieces of base plates are parallel to each other, the outside of their bottoms is provided with sleeve pipe, sleeve pipe is provided with tommy bar.
Described vertical shaft as bending instrument pivot thus to reach U mouth position in bending process non-warping; The effect of tommy bar utilizes lever principle, is convenient to force, reduces the labour intensity of workman, save time, and shortens the technique duration making U-shaped screw rod, improves operating efficiency and make quality.
Preferably, described fixture comprises fixture I and fixture II, both are equipped with hole, lining I is provided with in the hole of described fixture I, the external diameter of lining I matches with the aperture of fixture I, be provided with lining II in the hole of described fixture II, the external diameter of lining II matches with the aperture of fixture II.
Lining I and lining II, fixture II is between fixture I and stopping means I, fixture I is used for one end of fixing U-shaped screw rod, prevent U-shaped screw rod sideslip in the process of bending, be unfavorable for force, cause U-shaped screw rod defective, lining I, for the protection of U-shaped screw surface structure, can not be damaged in the process of bending; Fixture II is also one end of fixing U-shaped screw rod, and plays position-limiting action to U-shaped screw rod one end length before bending, and lining II is also for the protection of U-shaped screw surface structure, can not be damaged in the process of bending.
Preferably, described stopping means I is identical with stopping means II structure, described stopping means I is made up of base and riser, described base is fixed on workbench, described riser is fixedly connected on base, and the height of riser is higher than the height of fixture I and fixture II, the tangent line in the aperture in place, the outside plane of riser and fixture I and fixture II is all in same plane.
Outside the riser of stopping means I (i.e. confined planes) and stopping means II riser outside (i.e. confined planes) for limiting shaping outer angle and the interior angle of dehiscing of dehiscing of U-shaped screw rod, solve U-shaped screw rod and to dehisce the uncontrollable problem of angle; U-shaped screw rod before shaping while through fixture I and fixture II, outside the riser leaning against stopping means I, in bending process, remain linear state, be not distorted, after shaping, the another side of U-shaped screw rod leans against outside the riser of stopping means II, also be keep linear state, can not distortion.Stopping means I and stopping means II can use channel-section steel, is directly welded on workbench according to above-mentioned restrictive condition, saves cost of manufacture.
Preferably, described pulley assembly comprises bearing inner race lining, bearing outer ring lining, bearing, pulley outer transparent cover, spacer, bolt, pulley axle sleeve, pulley spindle and pulley; Wherein, the outside of described pulley is provided with pulley groove, and the arc chord angle of pulley groove and the diameter compatible of U-shaped screw rod close.In order to U-shaped screw rod can through the pulley groove two pulleys like this.
Preferably, two bearings are provided with in the endoporus of described pulley, the external diameter of bearing matches with the internal orifice dimension of pulley, in the endoporus of pulley, between two bearings, load bearing outer ring lining and bearing inner race lining, the external diameter of bearing outer ring lining matches with the internal orifice dimension of pulley, the internal diameter of bearing outer ring lining matches with the external diameter of bearing inner race lining, and the internal diameter of bearing inner race lining is equal with the internal diameter of bearing.Such setting is for two bearings axial location in pulley.
Preferably, in the endoporus of described pulley, two bearing both sides, respectively be provided with a spacer, the internal diameter of spacer is equal with the internal diameter of bearing, is provided with the outer transparent cover of pulley in the plane outside the outside at pulley two ends and spacer, and uses bolt to be fixed on the lateral surface at pulley two ends by outer for pulley transparent cover; Such setting is used for the axial location of bearing in pulley.
Preferably, described base plate is provided with two holes, and the aperture in two holes is all equal with the internal diameter of bearing, the hole one_to_one corresponding on two base plates, and with one heart.Be fixed on pulley sleeve to realize pulley assembly.
Preferably, on described base plate, match with the external diameter of pulley axle sleeve in the aperture in two holes, pulley spindle is set in bearing, the external diameter of pulley axle sleeve and the diameter compatible of bearing close, the lateral surface at the two ends of pulley axle sleeve and the lateral surface of base plate are in same plane, the diameter of described vertical shaft and the diameter of pulley spindle all close with the diameter compatible of pulley axle sleeve, the diameter of described vertical shaft is identical with the diameter of pulley spindle, described vertical shaft is fixed on workbench by nut, or described vertical shaft is fixed by welding on workbench, the two ends of described pulley spindle are fixed on the outside of two base plates on pulley sleeve by nut axially stop blocks such as (or) shaft block rings.Such setting is in order to two pulley block structure are firmly compact.
3. beneficial effect
The technical scheme adopting the utility model to provide, compared with prior art, has following beneficial effect:
(1) stopping means of the present utility model, described fixture and described vertical shaft are all fixed on workbench, stopping means and fixture play fixing spacing effect to shaping front U-shaped screw rod, thus reach U-shaped screw rod in bending process and be not distorted, vertical shaft and stopping means and fixture in bending process to the acting in conjunction of U-shaped screw rod, thus avoid the U mouth position of U-shaped screw rod not to be distorted, ensure that shaping rear two edge lengths of U-shaped screw rod are consistent, avoid the generation of the asymmetric situation of two edge lengths;
(2) vertical shaft of the present utility model as bending instrument pivot thus to reach U mouth position in bending process non-warping; The effect of tommy bar utilizes lever principle, is convenient to force, reduces the labour intensity of workman, save time, and shortens the technique duration making U-shaped screw rod, improves operating efficiency and make quality;
(3) lining I of the present utility model and lining II is quality of rubber materials, fixture II is between fixture I and stopping means I, fixture I is used for one end of fixing U-shaped screw rod, prevent U-shaped screw rod sideslip in the process of bending, be unfavorable for force, cause U-shaped screw rod defective, lining I, for the protection of U-shaped screw surface structure, can not be damaged in the process of bending; Fixture II is also one end of fixing U-shaped screw rod, and plays position-limiting action to U-shaped screw rod one end length before bending, and lining II is also for the protection of U-shaped screw surface structure, can not be damaged in the process of bending;
(4) for limiting shaping outer angle and the interior angle of dehiscing of dehiscing of U-shaped screw rod outside the riser of stopping means I of the present utility model and outside the riser of stopping means II, solving U-shaped screw rod and to dehisce the uncontrollable problem of angle; U-shaped screw rod before shaping while through fixture I and fixture II, outside the riser leaning against stopping means I, in bending process, remain linear state, be not distorted, after shaping, the another side of U-shaped screw rod leans against outside the riser of stopping means II, also be keep linear state, can not distortion.Stopping means I and stopping means II can use channel-section steel, is directly welded on workbench according to above-mentioned restrictive condition, saves cost of manufacture;
(5) bearing of pulley assembly of the present utility model axial location in pulley, by vertical shaft and pulley spindle, be fixed on by pulley assembly on pulley sleeve, bending tool construction is firmly compact, and principle is simple, cost of manufacture is low, be easy to realization.
Accompanying drawing explanation
Fig. 1 is front view of the present utility model;
Fig. 2 is the shaping front top view of U-shaped screw rod bending of the present utility model;
Fig. 3 be U-shaped screw rod bending of the present utility model shaping after top view;
Fig. 4 is the schematic diagram of bending instrument of the present utility model.
Label declaration in schematic diagram:
1, workbench; 7, vertical shaft; 71, nut; 6, stopping means; 61, stopping means I; 62, stopping means II; 5, fixture II; 51, lining II; 4, fixture I; 41, lining I; 2, bending instrument; 3, U-shaped screw rod; 8, pulley assembly; 81, bearing inner race lining; 82, bearing outer ring lining; 83, bearing; 84, the outer transparent cover of pulley; 85, spacer; 86, bolt; 87, pulley axle sleeve; 88, pulley spindle; 89, pulley; 21, base plate; 22, sleeve pipe; 23, tommy bar.
Detailed description of the invention
For understanding content of the present utility model further, by reference to the accompanying drawings and embodiment the utility model is described in detail.
Embodiment 1
A kind of U-shaped screw rod Special pull bending apparatus, comprise fixing limit part and bending instrument 2, as Fig. 1, Fig. 2, shown in Fig. 3 and Fig. 4, described fixing limit part comprises stopping means 6 and fixture, described stopping means 6 comprises stopping means I61 and stopping means II62, the central axis of described fixture centre bore is parallel with the confined planes of described stopping means I61, described fixture is arranged on the side of described stopping means I61 axis, the axis of stopping means II62 is parallel with the confined planes (plane namely directly contacted with U-shaped screw rod) of stopping means I61, on the center line of the spacing of both confined planes, the opposite side of described stopping means I61 axis, be provided with vertical shaft 7, described stopping means 6, described fixture and described vertical shaft 7 are all fixed on workbench 1,
Stopping means 6 and fixture play fixing spacing effect to shaping front U-shaped screw rod 3, thus reach U-shaped screw rod 3 in bending process and be not distorted, vertical shaft 7 and stopping means 6 and fixture in bending process to U-shaped screw rod 3 acting in conjunction, thus avoid the U mouth position of U-shaped screw rod 3 not to be distorted, ensure that shaping rear two edge lengths of U-shaped screw rod 3 are consistent, avoid the generation of the asymmetric situation of two edge lengths.
Described bending instrument 2 comprises two pulley assemblies 8 and pulley sleeve, described pulley sleeve comprises base plate 21 and sleeve pipe 22, the internal orifice dimension of two pulley assemblies 8 is parallel, the outside of the endoporus of two pulley assemblies 8 is respectively equipped with a base plate 21, pulley spindle 88 passes the endoporus of two pieces of base plates 21 and pulley assembly 8, one of them pulley assembly 8 is arranged on the top between two pieces of base plates 21, described vertical shaft 7 passes the endoporus of base plate 21 and pulley assembly 8, another pulley assembly 8 is arranged on the bottom between two pieces of base plates 21, two pieces of base plates 21 are parallel to each other, the outside of their bottoms is provided with sleeve pipe 22, sleeve pipe 22 is provided with tommy bar 23.
Described vertical shaft 7 as bending instrument 2 pivot thus to reach U mouth position in bending process non-warping; The effect of tommy bar 23 utilizes lever principle, is convenient to force, reduces the labour intensity of workman, save time, and shortens the technique duration making U-shaped screw rod 3, improves operating efficiency and make quality.
Described fixture comprises fixture I4 and fixture II5, both are equipped with hole, lining I41 is provided with in the hole of described fixture I4, the external diameter of lining I41 matches with the aperture of fixture I4, lining II51 is provided with in the hole of described fixture II5, the external diameter of lining II51 matches with the aperture of fixture II5, and the axis of the aperture on described fixture I4 and fixture II5 and described stopping means I61 is on same straight line.
Lining I41 and lining II51 is quality of rubber materials, fixture II5 is between fixture I4 and stopping means I61, fixture I4 is used for one end of fixing U-shaped screw rod 3, prevent U-shaped screw rod 3 sideslip in the process of bending, be unfavorable for force, cause U-shaped screw rod 3 defective, lining I41, for the protection of U-shaped screw rod 3 surface texture, can not be damaged in the process of bending; Fixture II5 is also one end of fixing U-shaped screw rod 3, and plays position-limiting action to U-shaped screw rod 3 one end length before bending, and lining II51 is also for the protection of U-shaped screw rod 3 surface texture, can not be damaged in the process of bending.
Described stopping means I61 is identical with stopping means II62 structure, described stopping means I61 is made up of base and riser, described base is fixed on workbench 1, described riser is fixedly connected on base, and the height of riser is higher than the height of fixture I4 and fixture II5, the tangent line in the aperture in place, the outside plane of riser and fixture I4 and fixture II5 is all in same plane.
For limiting shaping outer angle and the interior angle of dehiscing of dehiscing of U-shaped screw rod 3 outside the riser of stopping means I61 and outside the riser of stopping means II62, solving U-shaped screw rod 3 and to dehisce the uncontrollable problem of angle; U-shaped screw rod 3 before shaping while through fixture I4 and fixture II5, outside the riser leaning against stopping means I61, in bending process, remain linear state, be not distorted, after shaping, the another side of U-shaped screw rod 3 leans against outside the riser of stopping means II62, also be keep linear state, can not distortion.Stopping means I61 and stopping means II62 can use channel-section steel, is directly welded on workbench 1 according to above-mentioned restrictive condition, saves cost of manufacture.
Described pulley assembly 8 comprises bearing inner race lining 81, bearing outer ring lining 82, bearing 83, pulley outer transparent cover 84, spacer 85, bolt 86, pulley axle sleeve 87, pulley spindle 88 and pulley 89; Wherein, the outside of described pulley 89 is provided with pulley groove, and the arc chord angle of pulley groove and the diameter compatible of U-shaped screw rod 3 close.In order to U-shaped screw rod 3 can through the pulley groove two pulleys 89 like this.
Two bearings 83 are provided with in the endoporus of described pulley 89, the external diameter of bearing 83 matches with the internal orifice dimension of pulley 89, in the endoporus of pulley 89, between two bearings 83, load bearing outer ring lining 82 and bearing inner race lining 81, the external diameter of bearing outer ring lining 82 matches with the internal orifice dimension of pulley 89, and the internal diameter of bearing outer ring lining 82 matches with the external diameter of bearing inner race lining 81, and the internal diameter of bearing inner race lining 81 is equal with the internal diameter of bearing 83.Such setting is for two bearings 83 axial location in pulley 89.
In the endoporus of described pulley 89, two bearing 83 both sides, respectively be provided with a spacer 85, the internal diameter of spacer 85 is equal with the internal diameter of bearing 83, be provided with the outer transparent cover 84 of pulley in the plane outside the outside at pulley 89 two ends and spacer 85, and use bolt 86 to be fixed on the lateral surface at pulley 89 two ends by outer for pulley transparent cover 84; Such setting is used for the axial location of bearing 83 in pulley 89.
Described base plate 21 is provided with two holes, and the aperture in two holes is all equal with the internal diameter of bearing 83, the hole one_to_one corresponding on two base plates 21, and with one heart.Be fixed on pulley sleeve to realize pulley assembly 8.
On described base plate 21, match with the external diameter of pulley axle sleeve 87 in the aperture in two holes, pulley axle sleeve 87 is arranged in bearing 83, the external diameter of pulley axle sleeve 87 and the diameter compatible of bearing 83 close, the lateral surface at the two ends of pulley axle sleeve 87 and the lateral surface of base plate 21 are in same plane, the diameter of described vertical shaft 7 and the diameter of pulley spindle 88 all close with the diameter compatible of pulley axle sleeve 87, the diameter of described vertical shaft 7 is identical with the diameter of pulley spindle 88, described vertical shaft 7 is fixed on workbench 1 by nut 71, or described vertical shaft 7 is fixed by welding on workbench 1, the two ends of described pulley spindle 88 are fixed on the outside of two base plates 21 on pulley sleeve by nut.Such setting is in order to two pulley assembly 8 compact conformations are firm.
The number of assembling steps of bending instrument 2 is as follows: first loaded in pulley sleeve by two pulley assemblies 8 assembled, again pulley axle sleeve 87 is loaded pulley sleeve and two pulley assemblies 8 li, pulley spindle 88 loads in pulley axle sleeve 87, is finally loaded by vertical shaft 7 in the pulley axle sleeve 87 in pulley sleeve.
For the U-shaped screw rod 3 of M24x1100mm, first process an external diameter
workbench 1 is used as by the steel plate of thick 25mm, according to the processing dimension of U-shaped screw rod 3, workbench 1 planned and marks the particular location fixing each part of limit part; Secondly, as shown in Figure 1, the square steel plate two pieces of processing the long 100mm of thick 20mm is used as fixture I4 and fixture II5 respectively, in one, two pieces 20mm steel plate center car
hole, and the external diameter processing lining II51
internal diameter
hole, external diameter is with on a wherein steel plate and fixture II5
match in hole, internal diameter coordinates with U-shaped screw rod 3 polished rod position; Process tapped lining I41 mono-, its external diameter
internal diameter M24mm screw, on the external diameter of this tapped lining I41 and another part 20mm steel plate and fixture I4
match in hole, the M24 internal thread of lining I41 matches with the screw thread of U-shaped screw rod 3; Prepare 65 angle steel and each one of 40 angle steel of long 310mm, respectively as stopping means II62 and stopping means I61, be soldered on the assigned address on workbench 1; On the assigned address that the vertical shaft 7 (using hex bolts herein) processing is welded in workbench 1 as shown in Figures 2 and 3; Another processing bending instrument 2, (is included the outer transparent cover 84 of four bearings 83, bearing inner race lining 81, bearing outer ring lining 82, spacer 85 and pulley to form, pulley 89 diameter by two pulley assemblies 8
pulley groove footpath
), pulley sleeve forms by three block plate weldings, and 4 holes are bored on two long steel plates, for filling pulley spindle 88 and pulley axle sleeve 87, sleeve pipe 22 is welded in pulley sleeve side, as shown in Figure 4, penetrate tommy bar 23 in sleeve pipe to carry out pulling system, tommy bar 23 can use steel pipe or round steel, galvanized pipe etc.The bending instrument 2 assembled is contained on the vertical shaft 7 of workbench 1.
As shown in Figure 2, U-shaped screw rod 3 to be processed is each passed through fixture I4 and fixture II5, leans against stopping means I61, through bending instrument 2 two pulley grooves, be then positioned on workbench 1; Rotate tommy bar 23 to position as shown in Figure 3, bending becomes U-shaped screw rod 3.
Schematically above be described the utility model and embodiment thereof, this description does not have restricted, and also just one of the embodiment of the present utility model shown in accompanying drawing, actual structure is not limited thereto.So, if those of ordinary skill in the art enlightens by it, when not departing from the utility model and creating aim, design the frame mode similar to this technical scheme and embodiment without creationary, protection domain of the present utility model all should be belonged to.
Claims (8)
1. a U-shaped screw rod Special pull bending apparatus, comprise fixing limit part and bending instrument (2), it is characterized in that, described fixing limit part comprises stopping means (6) and fixture, described stopping means (6) comprises stopping means I (61) and stopping means II (62), the central axis of described fixture centre bore is parallel with the confined planes of described stopping means I (61), described fixture is arranged on the axial side of described stopping means I (61), the confined planes of stopping means II (62) is parallel with the confined planes of stopping means I (61), on the center line of the spacing of both confined planes, the opposite side that described stopping means I (61) is axial, be provided with vertical shaft (7), described stopping means (6), described fixture and described vertical shaft (7) are all fixed on workbench (1),
Described bending instrument (2) comprises two pulley assemblies (8) and pulley sleeve, described pulley sleeve comprises base plate (21) and sleeve pipe (22), parallel and the endoporus centerline axis parallel of two pulley assemblies (8), the outside of the endoporus of two pulley assemblies (8) is respectively equipped with a base plate (21), pulley spindle (88) is through the endoporus of two pieces of base plates (21) and pulley assembly (8), one of them pulley assembly (8) is arranged on the top between two pieces of base plates (21), described vertical shaft (7) is through the endoporus of base plate (21) and pulley assembly (8), another pulley assembly (8) is arranged on the bottom between two pieces of base plates (21), two pieces of base plates (21) are parallel to each other, the outside of their bottoms is provided with sleeve pipe (22), sleeve pipe (22) is provided with tommy bar (23).
2. a kind of U-shaped screw rod Special pull bending apparatus according to claim 1, it is characterized in that, described fixture comprises fixture I (4) and fixture II (5), both are equipped with hole, lining I (41) is provided with in the hole of described fixture I (4), the external diameter of lining I (41) matches with the aperture of fixture I (4), be provided with lining II (51) in the hole of described fixture II (5), the external diameter of lining II (51) matches with the aperture of fixture II (5).
3. a kind of U-shaped screw rod Special pull bending apparatus according to claim 1 and 2, it is characterized in that, described stopping means I (61) is identical with stopping means II (62) structure, described stopping means I (61) is made up of base and riser, described base is fixed on workbench (1), described riser is fixedly connected on base, and the height of riser is higher than the height of fixture I (4) and fixture II (5), the tangent line in the aperture in place, the outside plane of riser and fixture I (4) and fixture II (5) is all in same plane.
4. a kind of U-shaped screw rod Special pull bending apparatus according to claim 1, it is characterized in that, described pulley assembly (8) comprises bearing inner race lining (81), bearing outer ring lining (82), bearing (83), pulley outer transparent cover (84), spacer (85), bolt (86), pulley axle sleeve (87), pulley spindle (88) and pulley (89); Wherein, the cylindrical of described pulley (89) is provided with pulley groove, and the arc chord angle of pulley groove and the diameter compatible of U-shaped screw rod (3) close.
5. a kind of U-shaped screw rod Special pull bending apparatus according to claim 4, it is characterized in that, two bearings (83) are provided with in the endoporus of described pulley (89), the external diameter of bearing (83) matches with the internal orifice dimension of pulley (89), in the endoporus of pulley (89), between two bearings (83), load bearing outer ring lining (82) and bearing inner race lining (81), the external diameter of bearing outer ring lining (82) matches with the internal orifice dimension of pulley (89), the internal diameter of bearing outer ring lining (82) matches with the external diameter of bearing inner race lining (81), the internal diameter of bearing inner race lining (81) is equal with the internal diameter of bearing (83).
6. a kind of U-shaped screw rod Special pull bending apparatus according to claim 4, it is characterized in that, in the endoporus of described pulley (89), two bearing (83) both sides, respectively be provided with a spacer (85), the internal diameter of spacer (85) is equal with the internal diameter of bearing (83), the outside at pulley (89) two ends and spacer (85) outside are provided with the outer transparent cover (84) of pulley in the plane, and use bolt (86) outer for pulley transparent cover (84) to be fixed on the lateral surface at pulley (89) two ends.
7. a kind of U-shaped screw rod Special pull bending apparatus according to claim 1, it is characterized in that, described base plate (21) is provided with two holes, the aperture in two holes is all equal with the internal diameter of bearing (83), hole one_to_one corresponding on two base plates (21), and with one heart.
8. a kind of U-shaped screw rod Special pull bending apparatus according to claim 1, it is characterized in that, match with the external diameter of pulley axle sleeve (87) in the aperture in described upper two holes of base plate (21), pulley axle sleeve (87) is arranged in bearing (83), the external diameter of pulley axle sleeve (87) and the diameter compatible of bearing (83) close, the lateral surface at the two ends of pulley axle sleeve (87) and the lateral surface of base plate (21) are in same plane, the diameter of described vertical shaft (7) and the diameter of pulley spindle (88) all close with the diameter compatible of pulley axle sleeve (87), the diameter of described vertical shaft (7) is identical with the diameter of pulley spindle (88), described vertical shaft (7) is fixed on workbench (1) by nut (71), or described vertical shaft (7) is fixed by welding on workbench (1), the two ends of described pulley spindle (88) are fixed on the outside of two base plates (21) on pulley sleeve by nut.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520342811.XU CN204638979U (en) | 2015-05-25 | 2015-05-25 | A kind of U-shaped screw rod Special pull bending apparatus |
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|---|---|---|---|
| CN201520342811.XU CN204638979U (en) | 2015-05-25 | 2015-05-25 | A kind of U-shaped screw rod Special pull bending apparatus |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109958129A (en) * | 2019-03-25 | 2019-07-02 | 中国五冶集团有限公司 | A method of the control straight anchor section of anti-float anchor rod |
| CN110130410A (en) * | 2019-06-05 | 2019-08-16 | 中国五冶集团有限公司 | A kind of device controlling the straight anchor section of anti-float anchor rod |
| CN110340189A (en) * | 2019-06-13 | 2019-10-18 | 法兰克斯管道紧固件(常熟)有限公司 | The quick bending method of U-bolt |
-
2015
- 2015-05-25 CN CN201520342811.XU patent/CN204638979U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109958129A (en) * | 2019-03-25 | 2019-07-02 | 中国五冶集团有限公司 | A method of the control straight anchor section of anti-float anchor rod |
| CN110130410A (en) * | 2019-06-05 | 2019-08-16 | 中国五冶集团有限公司 | A kind of device controlling the straight anchor section of anti-float anchor rod |
| CN110130410B (en) * | 2019-06-05 | 2023-12-26 | 中国五冶集团有限公司 | Device for controlling straight anchor section of anti-floating anchor rod |
| CN110340189A (en) * | 2019-06-13 | 2019-10-18 | 法兰克斯管道紧固件(常熟)有限公司 | The quick bending method of U-bolt |
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