Steel bar bending equipment for constructional engineering

Abstract

The invention discloses reinforcing steel bar bending equipment for constructional engineering, and relates to the technical field of reinforcing steel bar bending equipment, the reinforcing steel bar bending equipment comprises a base frame and a driving disc arranged on the base frame and driven by a power system to rotate horizontally, the driving disc is provided with a curved wheel used for applying bending acting force to reinforcing steel bars, and the base frame is provided with a meandering mechanism used for adjusting the inner diameter of a bent arc of the reinforcing steel bars. The labyrinth mechanism comprises a centering column coaxially arranged with the driving disc, the centering column is fixedly connected to the base frame, a plurality of sets of shaft arc plates are arranged on the centering column, a reducing assembly for adjusting the diameter of the circular structure is arranged on the base frame, and a distance moving assembly for adjusting the horizontal distance between the curved wheel and the centering column is arranged on the center disc; according to the steel bar bending device, by arranging the meandering mechanism and changing the diameter of the circular structure composed of the multiple sets of shaft arc plates, the inner diameter of a bent arc of a steel bar in the stress bending process is changed, so that the steel bar bending device adapts to bending of steel bars with different diameters and the inner diameter of the bent arc, and the requirements of various constructional engineering are met.

Description

Technical Field

[0001] The present invention relates to the technical field of steel bar bending equipment, in particular to a steel bar bending equipment for construction engineering. Background Art

[0002] In construction, steel bars are a crucial structural material, widely used in concrete structures to enhance their load-bearing capacity and crack resistance. However, in actual construction, steel bars often need to be bent and processed according to design requirements to meet the shape and load requirements of different components.

[0003] The Chinese patent (Announcement No.: CN118237502A) specifically includes a base, a work station disk fixedly mounted on the top of the base, a bending column disposed in the middle of the work station disk, and an adjustable push mechanism disposed on one side of the bending column. The base is provided with a force-applying mechanism, which includes a mounting portion, one end of which is rotatably mounted on the base, and an adjustment portion movably disposed on the other end. The end of the adjustment portion is provided with a force roller in the vertical direction to bend the steel bar along the bending column. The push mechanism and the force-applying mechanism disposed on the work station disk of the present invention can both adjust their positional relationship relative to the bending column, and can be adjusted according to different types of steel bars or according to needs, thereby finding the optimal bending and force-applying positions, facilitating the bending of the steel bars and improving the bending efficiency.

[0004] Existing rebar bending equipment has limited ability to adjust the inner diameter of the bend when bending rebar, and it is difficult to meet the diverse inner diameter requirements of the bend for rebars of different diameters and different engineering requirements. Specifically, when adjusting the inner diameter of the bend, traditional equipment usually requires manual replacement of the mold or adjustment of the equipment structure, which is more complicated and inefficient. In addition, when it is necessary to adjust the inner diameter of the bend, the contact point and the bending path between the rebar and the equipment are difficult to adjust synchronously, resulting in uneven force on the rebar during the bending process, which is prone to problems such as inaccurate bending, deformation of the rebar or wear of the equipment. Therefore, a rebar bending equipment for construction projects is proposed. Summary of the Invention

[0005] The purpose of the present invention is to provide a steel bar bending device for construction engineering, which has the advantage of adapting to steel bar bending operations with different bending arc inner diameter requirements and solves the problem of low efficiency when adjusting the steel bar bending arc inner diameter.

[0006] To achieve the above-mentioned object, the present invention provides the following technical solution: a steel bar bending device for construction engineering, comprising a base frame and a drive plate mounted thereon and driven by a power system to rotate horizontally, the drive plate being provided with a curved wheel for applying a bending force to the steel bar, and the base frame being provided with a curved mechanism for adjusting the inner diameter of the steel bar bend; The labyrinth mechanism includes a centering column coaxially arranged with the drive plate, the centering column being fixedly connected to the base frame, and a plurality of sets of axial arc plates being provided on the centering column. The plurality of sets of axial arc plates are arranged in a circular array with the centering column as the center and form a circular structure in a horizontal cross section, and a diameter-changing component for adjusting the diameter of the circular structure is provided on the base frame; The base frame is also fixedly connected to a center disk, a driving disk is fixedly rotated on the center disk, the driving disk and the centering column are coaxially arranged, and a distance shifting component for adjusting the horizontal distance between the curved wheel and the centering column is provided on the center disk; The base frame is also provided with a distance component which limits the bending length of the steel bar and makes way when the steel bar is bent.

[0007] Preferably, the reducing assembly includes a horizontally rotatable aligning plate, the aligning plate is fixedly rotated on the base frame, an axial rod is fixedly connected to one side of the axial arc plate facing the centering column, and an axial slot for sliding connection of the axial rod is provided on the centering column; The end of the axial rod facing the alignment disk is fixedly connected with a positioning pin, the centering column is provided with a transverse through-slot for the positioning pin to slide through, the bottom end of the positioning pin slides through the base frame, and the alignment disk is provided with a positioning slot for the positioning pin to slide through.

[0008] Preferably, the center disk is fixedly connected to a vertical support plate, and the vertical support plate is provided with a worm driven by a motor and freely rotating in the vertical direction. The worm rotates on the vertical support plate with a fixed axis, and the worm is meshed with a worm wheel, which is coaxially fixed on the coaxial disk.

[0009] Preferably, the distance shifting assembly includes a positioning seat fixedly connected to the upper surface of the driving disc, the positioning seat is provided with an axial block that moves freely along the radial direction of the driving disc, and the axial block is fixedly connected to the crankshaft; A threaded rod is fixedly rotated on the positioning seat, an axial block is threadedly connected to the threaded rod, and a radial sliding groove for sliding connection of the axial block is provided on the positioning seat.

[0010] Preferably, a driven cross universal joint is coaxially fixed on the threaded rod, the driven cross universal joint is transmission-connected to the active cross universal joint, the active cross universal joint rotates on the vertical support plate on a fixed axis, and the active cross universal joint is transmission-connected to the worm gear; An inner spline cylinder is coaxially fixed to one end of the active cross universal joint facing the driven cross universal joint. A spline shaft is slidably arranged on the inner spline cylinder. The spline shaft is coaxially fixed to the driven cross universal joint.

[0011] Preferably, the base frame is provided with two groups of missing arc clamps for limiting the position of the steel bars, the two groups of missing arc clamps each include an integrally formed straight line surface, and the straight lines in the two groups of missing arc clamps are arranged opposite to each other; The base frame is provided with guide grooves for sliding connection of the two groups of missing arc clamps, and the two groups of missing arc clamps are both threadedly connected with locking bolts for limiting their own positions.

[0012] Preferably, the distance component comprises an outer gear ring fixedly sleeved on the driving plate, the outer gear ring is meshedly connected with a rack, and a groove body 1 for the rack to slide horizontally is opened on the base frame; A crank rod is fixedly connected to the rack, a rectangular slot is provided on the base frame for the crank rod to slide through, a blocking plate is provided on the crank rod, the blocking plate and the crank rod are detachably connected, and a locking bolt for limiting its position is threadedly connected to the blocking plate; The base frame is provided with a blocking component for limiting the horizontal movement of the rack.

[0013] Preferably, the shift-blocking assembly includes two sets of yielding teeth slidably arranged on the first slot body, the two sets of yielding teeth are respectively located at the two ends of the rack, and the yielding teeth are fixedly connected to positioning blocks, and the positioning blocks are provided with guide pins; A support block is fixedly connected to the rack, and one end of the guide pin away from the positioning block is fixedly connected to the support block. A circular hole is provided on the positioning block for the guide pin to slide through, and a yield spring is sleeved on the outer circumference of the guide pin. The two ends of the yield spring are respectively fixedly connected to the positioning block and the support block.

[0014] Compared with the prior art, the present invention has the following beneficial effects: The present invention provides a curved mechanism and changes the diameter of the circular structure composed of multiple groups of axial arc plates, thereby changing the inner diameter of the arc of the steel bar during the force bending process, so as to adapt to the bending of steel bars with different diameters and inner diameter requirements of the arc, meet the needs of various construction projects, and at the same time can be dynamically adjusted according to steel bars of different diameters and different bending requirements, thereby improving the versatility and applicability of the equipment.

[0015] The present invention provides a distance-shifting component and changes the distance between the bending wheel and the centering column, thereby avoiding the existence of the bending wheel from causing motion interference in the diameter size change process of the circular structure formed by multiple sets of axial arc plates. At the same time, it can ensure that the steel bars can pass through the gap between the axial arc plate and the bending wheel, and change the contact position of the bending wheel on the steel bars after the diameter inside the bend changes, so as to ensure that the steel bars can be bent and deformed smoothly when subjected to bending force, thereby ensuring the smooth progress of the steel bar bending operation. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the overall structure of the present invention; Figure 2 This is a schematic diagram of the components where the centering column of the present invention is located; Figure 3 This is a schematic diagram of the components where the center disk of the present invention is located; Figure 4 For the present invention Figure 3 Enlarged view of point A in the middle; Figure 5 This is a schematic diagram of the components where the axial block of the present invention is located; Figure 6 For the present invention Figure 5 Enlarged view of point B in the middle; Figure 7 This is a schematic diagram of the components where the shaft arc plate of the present invention is located; Figure 8 For the present invention Figure 7 Enlarged view of point C in the middle; Figure 9 This is a schematic diagram of the component where the axial rod of the present invention is located.

[0017] In the figure: 1. base frame; 2. drive plate; 3. center plate; 4. centering column; 5. axial rod; 6. shaft arc plate; 7. positioning pin; 8. alignment plate; 9. positioning groove; 10. transverse through groove; 11. worm gear; 12. worm; 13. curved wheel; 14. vertical support plate; 15. active cross universal joint; 16. driven cross universal joint; 17. radial slide; 18. positioning seat; 19. threaded rod; 20. axial block; 21. outer gear ring; 22. rack; 23. yield tooth; 24. positioning block; 25. guide pin; 26. yield spring; 27. crank; 28. blocking plate; 29. ​​missing arc clamp seat; 30. guide groove. DETAILED DESCRIPTION

[0018] The following will provide a clear and complete description of the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. All other embodiments obtained by ordinary technicians in this field based on the embodiments of the present invention without making any creative efforts shall fall within the scope of protection of the present invention.

[0019] See also Figures 1 to 9 The present invention provides a technical solution: a steel bar bending device for construction engineering, comprising a base frame 1 and a drive plate 2 arranged thereon and driven by a power system to rotate horizontally, the drive plate 2 being provided with a bending wheel 13 for applying a bending force to the steel bar, and the base frame 1 being provided with a curvature mechanism for adjusting the inner diameter of the steel bar bend; The labyrinth mechanism includes a centering column 4 coaxially arranged with the drive plate 2, the centering column 4 is fixedly connected to the base frame 1, and a plurality of sets of shaft arc plates 6 are provided on the centering column 4. The plurality of shaft arc plates 6 are arranged in a circular array with the centering column 4 as the center and form a circular structure in a horizontal cross section. The base frame 1 is provided with a diameter-changing component for adjusting the diameter of the circular structure; The base frame 1 is also fixedly connected to a center disk 3, a driving disk 2 is fixedly rotated on the center disk 3, the driving disk 2 and the centering column 4 are coaxially arranged, and a distance shifting component for adjusting the horizontal distance between the curved wheel 13 and the centering column 4 is provided on the center disk 3; The base frame 1 is also provided with a distance component that limits the bending length of the steel bar and makes way when the steel bar is bent.

[0020] The base frame 1 is provided with two groups of arc-missing clamps 29 for limiting the position of the steel bars. The two groups of arc-missing clamps 29 include one-piece straight line surfaces, and the straight line surfaces in the two groups of arc-missing clamps 29 are arranged opposite to each other. The base frame 1 is provided with guide grooves 30 for sliding connection of the two groups of arc-missing clamps 29. The two groups of arc-missing clamps 29 are threadedly connected with locking bolts for limiting their own positions.

[0021] like Figure 1-Figure 3 As shown, when the steel bars are bent, the driving component can drive the driving disc 2 and the curved wheel 13 provided thereon to rotate in the horizontal direction, wherein the steel bars are placed in the gap between the two sets of arc-missing clamps 29 and the gap between the multiple sets of shaft arc plates 6 and the curved wheel 13. When the curved wheel 13 rotates following the driving disc 2, the curved wheel 13 can squeeze the steel bars to deflect around the centering column 4 and cause the steel bars to deform toward the side of the centering column 4, and the diameter of the circular structure composed of the multiple sets of shaft arc plates 6 is roughly the inner diameter of the arc when the steel bars are bent.

[0022] At the same time, in the actual operation process, the inner diameter of the arc required for processing is determined by the size and purpose of the steel bar to be processed, and then the diameter size of the circular structure composed of multiple sets of axial arc plates 6 is changed through the variable diameter component to ensure that the steel bar can meet the required inner diameter standard of the arc during subsequent bending, so as to adapt to the bending of steel bars with different diameters and inner diameter requirements of the arc, thereby meeting the needs of various construction projects and ensuring the quality of steel bar bending.

[0023] At the same time, when the diameter of the circular structure composed of multiple groups of axial arc plates 6 changes, the distance shifting assembly can operate synchronously, thereby synchronously changing the horizontal distance between the bending wheel 13 and the centering column 4, thereby ensuring that the bending wheel 13 can maintain a certain distance from its deformation position when applying a bending force to the steel bar. The bending path of the steel bar will change with the change of the inner diameter of the bending arc. When the inner diameter of the bending arc increases, the bending path of the steel bar will also increase accordingly. Increasing the distance between the bending wheel 13 and the centering column 4 can ensure that the steel bar is always bent along the correct path during the bending process, avoiding bending quality problems caused by path deviation.

[0024] It should be noted that, in actual use, the horizontal position and the spacing between the two sets of arc-missing clamps 29 are adjustable, thereby adapting to the processing requirements of steel bars with different inner diameters of the bent arc by changing their position, and the change in the spacing between the two sets of arc-missing clamps 29 can enable them to limit steel bars of different diameters to ensure that the steel bars can be deformed when subjected to bending force, thereby ensuring the accuracy of the steel bar bending process.

[0025] In one of the more preferred embodiments, the reducing assembly includes a horizontally rotatable aligning plate 8, the aligning plate 8 is fixedly rotated on the base frame 1, and an axial rod 5 is fixedly connected to the side of the axial arc plate 6 facing the centering column 4, and an axial slot for the axial rod 5 to be slidably connected is provided on the centering column 4; The axial rod 5 is fixedly connected to one end of the aligning disk 8 with a positioning pin 7, and the centering column 4 is provided with a transverse through groove 10 for the positioning pin 7 to slide through. The bottom end of the positioning pin 7 slides through the base frame 1, and the aligning disk 8 is provided with a positioning groove 9 for the positioning pin 7 to slide through.

[0026] The center disk 3 is fixedly connected to a vertical support plate 14, and the vertical support plate 14 is provided with a worm 12 driven by a motor and freely rotating in the vertical direction. The worm 12 rotates on the vertical support plate 14 with a fixed axis, and the worm 12 is meshed with a worm wheel 11, which is coaxially fixed on the alignment disk 8.

[0027] like Figure 3 、 Figure 5 、 Figure 7 、 Figure 8 and Figure 9 As shown, the worm 12 is driven vertically by a motor fixed on the vertical support plate 14, thereby driving the worm wheel 11 meshing with the worm 12 and the alignment plate 8 coaxially fixed with the worm wheel 11 to rotate a certain angle in the horizontal direction.

[0028] At the same time, an axial rod 5 is fixedly connected to the axial arc plate 6, and a positioning pin 7 is fixedly connected to the axial rod 5, and the positioning pin 7 is slidably connected to the isotropic disk 8 through the positioning groove 9. Then, when the isotropic disk 8 rotates with the worm gear 11, it can drive multiple groups of axial rods 5 and the axial arc plates 6 arranged thereon to move synchronously toward or away from each other, thereby changing the diameter size of the circular structure composed of multiple groups of axial arc plates 6, so as to change the inner diameter size of the arc of the steel bar during the stress bending process.

[0029] It should be noted that in actual use, due to the self-locking property between the worm 12 and the worm wheel 11, when the steel bars are bent under force and an extrusion force is applied to the multiple sets of axial arc plates 6, the multiple sets of axial arc plates 6 will not be relatively displaced with the centering column 4 due to the extrusion of the steel bars, thereby further ensuring the bending accuracy of the steel bars.

[0030] Based on the embodiment of the variable diameter assembly, the distance shifting assembly includes a positioning seat 18 fixedly connected to the upper surface of the driving disc 2, and an axial block 20 that moves freely along the radial direction of the driving disc 2 is provided on the positioning seat 18. The axial block 20 is fixedly connected to the crankshaft 13; A threaded rod 19 is fixedly rotated on the positioning seat 18 , an axial block 20 is threadedly connected to the threaded rod 19 , and a radial sliding groove 17 for the axial block 20 to be slidably connected is provided on the positioning seat 18 .

[0031] A driven cross universal joint 16 is coaxially fixed on the threaded rod 19, and the driven cross universal joint 16 is transmission-connected to the active cross universal joint 15. The active cross universal joint 15 rotates on the vertical support plate 14, and the active cross universal joint 15 is transmission-connected to the worm gear 11. An inner spline cylinder is coaxially fixed to one end of the active cross universal joint 15 facing the driven cross universal joint 16, and a spline shaft is slidingly provided on the inner spline cylinder, and the spline shaft is coaxially fixed to the driven cross universal joint 16.

[0032] like Figure 3 、 Figure 5 and Figure 6 As shown, when the worm gear 11 rotates horizontally, it can drive the active cross universal joint 15 connected to it to rotate synchronously, wherein two sets of meshing bevel gears can be used for transmission between the worm gear 11 and the active cross universal joint 15 to ensure that the two rotate synchronously. At the same time, when the active cross universal joint 15 rotates, the internal spline cylinder provided on it drives the spline shaft on the driven cross universal joint 16 to rotate, thereby enabling the driven cross universal joint 16 to rotate synchronously with the active cross universal joint 15.

[0033] At the same time, the driven cross universal joint 16 and the threaded rod 19 are coaxially fixed, thereby prompting the worm gear 11 and the threaded rod 19 to rotate synchronously. The rotation process of the worm gear 11 can synchronously change the diameter size of the circular structure formed by multiple sets of axial arc plates 6, thereby adjusting the inner radius of the arc when the steel bar is bent. When the threaded rod 19 rotates, it can change the distance between the axial block 20 that is threadedly matched with it and the mid-perpendicular line of the center of the center disk 3 and the centering column 4, thereby changing the distance between the curved wheel 13 fixed on the axial block 20 and the centering column 4.

[0034] Among them, the change in the distance between the bending wheel 13 and the centering column 4 can avoid the existence of the bending wheel 13 causing motion interference in the diameter size change process of the circular structure formed by multiple sets of axial arc plates 6, and at the same time ensure that the steel bars can pass through the gap between the axial arc plates 6 and the bending wheel 13, and change the contact position of the bending wheel 13 on the steel bars after the diameter changes in the bend, so as to ensure that the steel bars can be bent and deformed smoothly when subjected to bending force, thereby ensuring the smooth progress of the steel bar bending operation.

[0035] It should be noted that, in actual use, since the driven cross universal joint 16 is coaxially arranged with the threaded rod 19 and the fixed axis rotates on the positioning seat 18, the driven cross universal joint 16 can rotate with the driving plate 2, while the active cross universal joint 15 rotates on the center plate 3. Then, through the coordinated use of the inner spline cylinder and the spline shaft, the displacement difference between the active cross universal joint 15 and the driven cross universal joint 16 caused by the rotation of the driving plate 2 is compensated to ensure that the driven cross universal joint 16 can rotate synchronously with the active cross universal joint 15, and thus when the inner diameter of the steel bar bend is changed, the horizontal position of the curved wheel 13 can be changed synchronously.

[0036] Based on the embodiment of the distance shifting assembly, the distance fixing assembly includes an outer gear ring 21 fixedly mounted on the driving plate 2, the outer gear ring 21 is meshedly connected with a rack 22, and a groove body 1 for the rack 22 to slide horizontally is opened on the base frame 1; A turning rod 27 is fixedly connected to the rack 22, and a rectangular groove is provided on the base frame 1 for the turning rod 27 to slide through. A blocking plate 28 is provided on the turning rod 27. The blocking plate 28 and the turning rod 27 are detachably connected, and a locking bolt for limiting its own position is threadedly connected to the blocking plate 28. The base frame 1 is provided with a blocking component for limiting the horizontal movement stroke of the rack 22.

[0037] The shift-blocking assembly includes two sets of yielding teeth 23 slidably disposed on the first slot body. The two sets of yielding teeth 23 are respectively located at the two ends of the rack 22. Positioning blocks 24 are fixedly connected to the yielding teeth 23, and the positioning blocks 24 are provided with guide pins 25. A support block is fixedly connected to the rack 22, and the end of the guide pin 25 away from the positioning block 24 is fixedly connected to the support block. A circular hole is opened on the positioning block 24 for the guide pin 25 to slide through, and a yield spring 26 is sleeved on the outer circumference of the guide pin 25, and the two ends of the yield spring 26 are respectively fixedly connected to the positioning block 24 and the support block.

[0038] like Figure 1 、 Figure 3 and Figure 4 As shown, when the driving disc 2 rotates under the drive of the power system, the bending force can be applied to the steel bar through the curved wheel 13 provided thereon, wherein an outer gear ring 21 is fixedly sleeved on the driving disc 2, and the outer gear ring 21 is meshedly connected with a rack 22, and then when the outer gear ring 21 rotates, it can drive the rack 22 to slide in a place of the groove body.

[0039] At the same time, when determining the bending length of the steel bar, the blocking plate 28 is fixedly connected to the turning rod 27 by the locking bolt, and the end of the steel bar is consistent with the required bending length when it is against the blocking plate 28. When the driving disc 2 drives the crank 13 to rotate, the rack 22 can be prompted to move horizontally for a certain distance. The rack 22 and the turning rod 27 are fixedly connected, and then when the crank 13 is about to apply a bending force to the steel bar, the blocking plate 28 can be prompted to move a small distance toward the side away from the steel bar. When the bending length of the steel bar is determined by the blocking plate 28, the existence of the blocking plate 28 is avoided. Interference with the deflection process of the steel bar end is avoided, and the damage to the blocking plate 28 caused by the scratches of the steel bar end is reduced, thereby ensuring the accuracy of the blocking plate 28 in limiting the bending length of the steel bar.

[0040] It should be noted that, in actual use, when the driving disc 2 drives the crank wheel 13 to rotate and has not yet come into contact with the steel bar, that is, when the outer gear ring 21 initially rotates, it has moved a certain distance in the horizontal direction through the rack 22, thereby prompting the blocking plate 28 to move away from the end of the steel bar and not come into contact with the end of the steel bar. As the driving disc 2 continues to rotate, the outer gear ring 21 engages with the yield teeth 23 provided at the end of the rack 22, and driven by the rotation process of the outer gear ring 21, the yield teeth 23 can jump back and forth on the rack 22 to prevent the gear from rotating. It adapts to the rotation process of the outer gear ring 21, thereby avoiding the rotation process of the outer gear ring 21 and the drive disk 2 from being interfered with by movement. Therefore, when the drive disk 2 and the outer gear ring 21 rotate subsequently, the horizontal positions of the rack 22, the crank rod 27 and the blocking plate 28 will not continue to move in the horizontal direction under the restriction of the blocking component, and the blocking plate 28 will not be excessively displaced due to the steel bar being bent at an excessively large angle. In actual use, it is only necessary that the movement of the blocking plate 28 away from the steel bar can avoid interfering with the bending of the steel bar.

[0041] While embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions, and variations may be made to these embodiments without departing from the principles and spirit of the invention, and that the scope of the invention is defined by the appended claims and their equivalents.

Claims

1. A steel bar bending device for construction engineering, comprising a base frame (1) and a drive plate (2) arranged thereon and driven by a power system to rotate horizontally, the drive plate (2) being provided with a curved wheel (13) for applying a bending force to the steel bar, characterized in that: The base frame (1) is provided with a curved mechanism for adjusting the inner diameter of the steel bar bend; The labyrinth mechanism comprises a centering column (4) coaxially arranged with the drive plate (2), the centering column (4) being fixedly connected to the base frame (1), a plurality of sets of axial arc plates (6) being provided on the centering column (4), the plurality of sets of axial arc plates (6) being arranged in a circular array with the centering column (4) as the center and forming a circular structure in a horizontal cross section, and a diameter-changing component for adjusting the diameter of the circular structure being provided on the base frame (1); The base frame (1) is also fixedly connected to a center disk (3), the driving disk (2) is fixedly rotated on the center disk (3), the driving disk (2) and the centering column (4) are coaxially arranged, and the center disk (3) is provided with a distance shifting component for adjusting the horizontal distance between the curved wheel (13) and the centering column (4); The base frame (1) is also provided with a distance component for limiting the bending length of the steel bar and making way when the steel bar is bent.

2. The steel bar bending equipment for construction engineering according to claim 1, characterized in that: The reducing assembly includes a horizontally freely rotatable aligning plate (8), the aligning plate (8) is fixedly rotated on the base frame (1), an axial rod (5) is fixedly connected to one side of the axial arc plate (6) facing the centering column (4), and an axial slot for the axial rod (5) to be slidably connected is provided on the centering column (4); One end of the axial rod (5) facing the aligning disk (8) is fixedly connected with a positioning pin (7), a transverse through-slot (10) for the positioning pin (7) to slide through is provided on the centering column (4), the bottom end of the positioning pin (7) slides through the base frame (1), and a positioning slot (9) for the positioning pin (7) to slide through is provided on the aligning disk (8).

3. The steel bar bending equipment for construction engineering according to claim 2, characterized in that: The center disk (3) is fixedly connected to a vertical support plate (14), and the vertical support plate (14) is provided with a worm (12) driven by a motor and freely rotating in a vertical direction. The worm (12) rotates on the vertical support plate (14) with a fixed axis, and the worm (12) is meshed with a worm wheel (11), and the worm wheel (11) is coaxially fixed on the alignment disk (8).

4. The steel bar bending equipment for construction engineering according to claim 3, characterized in that: The distance shifting assembly comprises a positioning seat (18) fixedly connected to the upper surface of the driving disc (2), an axial block (20) that moves freely along the radial direction of the driving disc (2) is provided on the positioning seat (18), and the axial block (20) is fixedly connected to the crankshaft (13); A threaded rod (19) is fixedly rotated on the positioning seat (18), an axial block (20) is threadedly connected to the threaded rod (19), and a radial sliding groove (17) for sliding connection of the axial block (20) is provided on the positioning seat (18).

5. The steel bar bending equipment for construction engineering according to claim 4, characterized in that: A driven cross universal joint (16) is coaxially fixed on the threaded rod (19), the driven cross universal joint (16) is transmission-connected to the active cross universal joint (15), the active cross universal joint (15) rotates on the vertical support plate (14) with a fixed axis, and the active cross universal joint (15) is transmission-connected to the worm gear (11); An inner spline cylinder is coaxially fixed to one end of the active cross universal joint (15) facing the driven cross universal joint (16), a spline shaft is slidably provided on the inner spline cylinder, and the spline shaft is coaxially fixed to the driven cross universal joint (16).

6. The steel bar bending equipment for construction engineering according to claim 1, characterized in that: The base frame (1) is provided with two groups of missing arc clamps (29) for limiting the position of the steel bars, the two groups of missing arc clamps (29) each comprising an integrally formed straight line surface, and the straight line surfaces in the two groups of missing arc clamps (29) are arranged opposite to each other; The base frame (1) is provided with a guide groove (30) for sliding connection of two sets of missing arc clamp seats (29), and the two sets of missing arc clamp seats (29) are both threadedly connected with locking bolts for limiting their own positions.

7. The steel bar bending equipment for construction engineering according to claim 2, characterized in that: The distance component comprises an outer gear ring (21) fixedly mounted on the driving plate (2), the outer gear ring (21) is meshedly connected with a rack (22), and a groove body 1 for the rack (22) to slide horizontally is provided on the base frame (1); A crank rod (27) is fixedly connected to the rack (22), a rectangular groove for the crank rod (27) to slide through is provided on the base frame (1), a blocking plate (28) is provided on the crank rod (27), the blocking plate (28) and the crank rod (27) are detachably connected, and a locking bolt for limiting its own position is threadedly connected to the blocking plate (28); The base frame (1) is provided with a blocking component for limiting the horizontal movement stroke of the rack (22).

8. The steel bar bending equipment for construction engineering according to claim 7, characterized in that: The shift-blocking assembly comprises two groups of yielding teeth (23) slidably arranged on the first slot body, the two groups of yielding teeth (23) being respectively located at two end positions of the rack (22), a positioning block (24) being fixedly connected to the yielding teeth (23), and a guide pin (25) being provided on the positioning block (24); The rack (22) is fixedly connected to a support block, and one end of the guide pin (25) away from the positioning block (24) is fixedly connected to the support block. The positioning block (24) is provided with a circular hole for the guide pin (25) to slide through, and the outer peripheral surface of the guide pin (25) is sleeved with a release spring (26), and the two ends of the release spring (26) are respectively fixedly connected to the positioning block (24) and the support block.

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