Traction bending device for arc-shaped reinforcing steel bar of bridge

Abstract

The utility model relates to the technical field of steel bar bending, and provides a traction bending device for a bridge arc-shaped steel bar part, which is higher in bending efficiency and better in accuracy of a bending angle, and comprises a base, a support frame, a sliding cylinder, a lifting component, a sliding block, a resetting component, a rotating block and a clamping part, an electric push rod is fixedly installed on the supporting frame, the output end of the electric push rod penetrates through the supporting frame and is fixedly connected with a bending block, the sliding barrel is fixedly connected to the base, the sliding barrel is slidably sleeved with a sliding rod, the sliding rod is fixedly connected with a supporting plate, the lifting assembly is arranged on the base, two grooves are formed in the base, and the number of the sliding blocks is two. The two sliding blocks are arranged in the two grooves in a sliding mode respectively, telescopic pieces are fixedly connected to the sliding blocks, the reset assemblies are arranged in the grooves, the rotating blocks are fixedly connected to the telescopic pieces, the rotating blocks are rotationally sleeved with rotating bases, and the clamping pieces are fixedly connected to the rotating bases.

Description

Technical Field

[0001] The utility model relates to the technical field of steel bar bending, in particular to a traction and bending device for arc-shaped steel bar pieces of bridges. Background Art

[0002] In the process of bridge construction, curved steel bars are sometimes used. Nowadays, the curved steel bars are generally placed on a constructed curved frame, and the workers hammer the steel bars into curved steel bars with the same bending angle as the curved frame.

[0003] However, the above-mentioned prior art solution, in which the steel bar is bent by manual hammering, is not only inefficient, but also has poor accuracy in the bending angle. Utility Model Content

[0004] 1. Technical issues to be solved

[0005] In view of the deficiencies of the prior art, the utility model provides a traction and bending device for arc-shaped steel bars of bridges, so as to solve the problem that the prior art mentioned in the background technology is not only inefficient but also has poor accuracy in bending angles.

[0006] (II) Technical solution

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a traction and bending device for a bridge arc-shaped steel bar member, comprising a base, a support frame, a slide cylinder, a lifting assembly, a sliding block, a reset assembly, a rotating block and a clamping member, the support frame is fixedly connected to the base, and an electric push rod is fixedly installed on the support frame, the output end of the electric push rod passes through the support frame and is fixedly connected to the bending block, the slide cylinder is fixedly connected to the base, and a sliding rod is slidingly sleeved on the slide cylinder, a support plate is fixedly connected to the slide rod, the lifting assembly is arranged on the base, and is used to drive the support plate to move up and down, two grooves are provided on the base, two sliding blocks are provided, and the two sliding blocks are respectively slidably connected in the two grooves, a telescopic member is fixedly connected on the sliding block, and the reset assembly is arranged in the groove, and is used to drive the sliding block to slide to a starting position, the rotating block is fixedly connected to the telescopic member, and a swivel seat is rotatably sleeved on the rotating block, and the clamping member is fixedly connected to the swivel seat, and is used to clamp and fix the steel bar member.

[0008] Preferably, the lifting assembly includes a threaded barrel, a rotating screw and a linkage assembly. Two threaded barrels are provided. The threaded barrels are rotatably connected to the base. The rotating screw is threadably sleeved on the threaded barrel, and the rotating screw is fixedly connected to the support plate. The linkage assembly is provided between the two threaded barrels for simultaneously driving the two threaded barrels to rotate.

[0009] Furthermore, the linkage assembly includes a rotating gear, a toothed chain and a driving assembly. Two rotating gears are provided, and the two rotating gears are respectively fixedly mounted on the two threaded cylinders. The toothed chain is transmission-connected between the two rotating gears. The driving assembly is provided on one of the threaded cylinders for driving the threaded cylinder to rotate.

[0010] Furthermore, the driving assembly includes a mounting frame, a rotating shaft, a driving gear, a passive gear and a motor, the mounting frame is fixedly connected to the base, the rotating shaft is rotatably connected between the mounting frame and the base, the rotating gear is fixedly sleeved on the rotating shaft, the passive gear is fixedly sleeved on one of the threaded cylinders, and the driving gear is meshed with the passive gear, the motor is fixedly mounted on the mounting frame, and the output end of the motor passes through the mounting frame and is concentrically connected to the rotating shaft.

[0011] Furthermore, the telescopic member includes a storage tube, a telescopic rod and a telescopic spring, the storage tube is fixedly connected to the sliding block, the telescopic rod is slidably mounted on the storage tube, and the telescopic rod is fixedly connected to the rotating block, and the telescopic spring is connected between the storage tube and the telescopic rod.

[0012] Among them, the reset assembly includes a reset cylinder, a reset rod and a reset spring, the reset cylinder is fixedly connected in the groove, the reset rod is slidably sleeved on the reset cylinder, and the reset rod is fixedly connected to the sliding block, and the reset spring is connected between the reset cylinder and the reset rod.

[0013] Secondly, the clamping member includes a clamping seat, a bidirectional screw, a threaded plate, a clamping plate, a rotating rod and a rotating knob. The clamping seat is fixedly connected to the rotating seat, and the bidirectional screw is rotatably connected to the clamping seat. Two threaded plates are provided, and the two threaded plates are threadedly sleeved on the bidirectional screw, and the threaded plate is slidably connected to the clamping seat. Two clamping plates are provided, and the two clamping plates are respectively fixedly connected to the two threaded plates. The rotating rod is fixedly connected to the bidirectional screw, and the rotating rod passes through the clamping seat and extends to the outside, and the rotating knob is fixedly connected to the rotating rod.

[0014] (III) Beneficial effects

[0015] In summary, the present invention includes at least one of the following beneficial technical effects:

[0016] The traction and bending device of the arc-shaped steel bar of the bridge has a lifting component that drives the sliding rod to slide in the sliding cylinder, and drives the support plate to move up and down to a suitable height according to the curvature of the bending of the steel bar. The steel bar is clamped and fixed by the clamping part, and the electric push rod drives the bending block to move downward to bend the steel bar. During the bending process, the sliding block slides and the swivel seat rotates on the rotating block. After the steel bar is removed, the rotating block and the sliding block can be driven back to the starting position by the telescopic part and the reset component. Therefore, the traction and bending device of the arc-shaped steel bar of the bridge has a high bending efficiency and a good accuracy of the bending angle. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0018] Figure 2 It is a schematic diagram of the structure of the partial cross section of the slide cylinder, slide rod and support plate of the utility model;

[0019] Figure 3 It is a schematic diagram of the exploded structure of the cooperation of the sliding block, the rotating block and the rotating seat of the utility model;

[0020] Figure 4 It is a schematic diagram of the structure of a partial cross-section of the clamping seat, the bidirectional screw and the threaded plate of the utility model.

[0021] In the figure: 1. base; 2. support frame; 3. electric push rod; 4. bending block; 5. slide cylinder; 6. slide rod; 7. support plate; 8. sliding block; 9. rotating block; 10. rotating seat; 11. threaded cylinder; 12. rotating screw; 13. rotating gear; 14. tooth chain; 15. mounting frame; 16. rotating shaft; 17. driving gear; 18. driven gear; 19. motor; 20. storage cylinder; 21. telescopic rod; 22. telescopic spring; 23. reset cylinder; 24. reset rod; 25. reset spring; 26. clamping seat; 27. bidirectional screw; 28. threaded plate; 29. ​​clamping plate; 30. rotating rod; 31. rotating knob. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] The utility model is further described in detail below in conjunction with the accompanying drawings.

[0024] Example 1

[0025] Reference Figure 1 and Figure 2 A traction and bending device for arc-shaped steel bars of a bridge comprises a base 1, a support frame 2, a slide cylinder 5, a lifting assembly, a sliding block 8, a reset assembly, a rotating block 9 and a clamping member. The support frame 2 is fixedly connected to the base 1, and an electric push rod 3 is fixedly installed on the support frame 2. The output end of the electric push rod 3 passes through the support frame 2 and is fixedly connected to a bending block 4. The output end of the electric push rod 3 drives the bending block 4 to move downward, which is convenient for bending the steel bars. The slide cylinder 5 is fixedly connected to the base 1, and a sliding sleeve is provided on the slide cylinder 5. A support plate 7 is fixedly connected to the slide rod 6. The lifting assembly is arranged on the base 1 to drive the support plate 7 to move up and down. The lifting assembly includes a threaded barrel 11, a rotating screw 12 and a linkage assembly. Two threaded barrels 11 are provided. The threaded barrel 11 is rotatably connected to the base 1. The rotating screw 12 is threadedly sleeved on the threaded barrel 11, and the rotating screw 12 is fixedly connected to the support plate 7. The linkage assembly is arranged between the two threaded barrels 11 for simultaneously driving the two threaded barrels 11 to rotate. The linkage assembly includes a rotating gear 13, a tooth chain 14 and a driving assembly. Two rotating gears 13 are provided. The two rotating gears 13 are respectively fixedly sleeved on the two threaded barrels 11. The tooth chain 14 is transmission-connected between the two rotating gears 13, and the driving assembly is arranged therein. The driving assembly includes a mounting frame 15, a rotating shaft 16, a driving gear 17, a driven gear 18 and a motor 19. The mounting frame 15 is fixedly connected to the base 1. The rotating shaft 16 is rotatably connected between the mounting frame 15 and the base 1. The rotating gear 13 is fixedly sleeved on the rotating shaft 16. The driven gear 18 is fixedly sleeved on one of the threaded barrels 11, and the driving gear 17 is meshed with the driven gear 18. The motor 19 is fixedly mounted on the mounting frame 15. The output end of the motor 19 passes through the mounting frame 15 and is concentrically connected to the rotating shaft 16. The output end of the motor 19 drives the rotating shaft 16 to rotate. The rotating shaft 16 drives the active gear 17 to rotate, the active gear 17 drives the passive gear 18 to rotate, the passive gear 18 drives the threaded barrel 11 located on one side thereof to rotate, the threaded barrel 11 drives the rotating gear 13 located on one side thereof to rotate, the rotating gear 13 drives the toothed chain 14 to transmit, thereby driving the rotating gear 13 and the threaded barrel 11 on the other side to rotate, the rotation of the threaded barrel 11 drives the rotating screw 12 to move up and down, the slide bar 6 slides up and down in the slide barrel 5, thereby driving the support plate 7 to move up and down, so as to change the height of the support plate 7, thereby facilitating the adjustment of the curvature of the bending of the steel bar.

[0026] Reference Figure 1 , Figure 3 and Figure 4, two grooves are provided on the base 1, two sliding blocks 8 are provided, and the two sliding blocks 8 are slidably connected in the two grooves respectively, and a telescopic member is fixedly connected to the sliding block 8, and the telescopic member includes a storage tube 20, a telescopic rod 21 and a telescopic spring 22, the storage tube 20 is fixedly connected to the sliding block 8, the telescopic rod 21 is slidably sleeved on the storage tube 20, and the telescopic rod 21 is fixedly connected to the rotating block 9, and the telescopic spring 22 is connected between the storage tube 20 and the telescopic rod 21, and a reset component is arranged in the groove for driving the sliding block 8 to slide to the starting position, and the reset component includes a reset tube 23, a reset rod 24 and a reset spring 25, the reset tube 23 is fixedly connected in the groove, the reset rod 24 is slidably sleeved on the reset tube 23, and the reset rod 24 is fixedly connected to the sliding block 8, and the reset spring 25 is connected between the reset tube 23 and the reset rod 24, the rotating block 9 is fixedly connected to the telescopic member, and a rotating seat 10 is rotatably sleeved on the rotating block 9, so as to adapt to the change of the curvature after the steel bar is bent, and the clamping member The clamping member is fixedly connected to the swivel seat 10 and is used to clamp and fix the steel bar. The clamping member includes a clamping seat 26, a bidirectional screw 27, a threaded plate 28, a clamping plate 29, a rotating rod 30 and a rotating knob 31. The clamping seat 26 is fixedly connected to the swivel seat 10, and the bidirectional screw 27 is rotatably connected to the clamping seat 26. Two threaded plates 28 are provided. The two threaded plates 28 are threadedly sleeved on the bidirectional screw 27, and the threaded plates 28 are slidably connected to the clamping seat 26. Two clamping plates 29 are provided. The holding plates 29 are respectively fixedly connected to the two threaded plates 28, the rotating rod 30 is fixedly connected to the bidirectional screw 27, and the rotating rod 30 passes through the clamping seat 26 and extends to the outside, the rotating button 31 is fixedly connected to the rotating rod 30, rotating the rotating button 31 drives the rotating rod 30 to rotate, the rotating rod 30 drives the bidirectional screw 27 to rotate, and the bidirectional screw 27 drives the two threaded plates 28 to slide toward each other, thereby driving the two clamping plates 29 to move toward each other, which is convenient for clamping and fixing the steel bars.

[0027] Example 2

[0028] In summary, the working principle and working process of the traction and bending device for the arc-shaped steel bar of the bridge are as follows: when in use, first insert the steel bar between the two clamping plates 29, turn the rotating knob 31 to drive the rotating rod 30 to rotate, the rotating rod 30 drives the bidirectional screw 27 to rotate, the bidirectional screw 27 drives the two threaded plates 28 to slide toward each other, thereby driving the two clamping plates 29 to move toward each other, so that the steel bar can be clamped and fixed, turn on the motor 19, the output end of the motor 19 drives the rotating shaft 16 to rotate, the rotating shaft 16 drives the driving gear 17 to rotate, and the driving gear 17 drives the passive gear 18 to rotate. The passive gear 18 rotates, and the threaded barrel 11 located on one side thereof is driven to rotate. The threaded barrel 11 drives the rotating gear 13 located on one side thereof to rotate. The rotating gear 13 drives the toothed chain 14 to transmit, thereby driving the rotating gear 13 and the threaded barrel 11 on the other side to rotate. The rotation of the threaded barrel 11 drives the rotating screw 12 to move up and down. The slide bar 6 slides up and down in the slide barrel 5, thereby driving the support plate 7 to move up and down. The support plate 7 is moved to a suitable height according to the curvature of the steel bar that needs to be bent. The output end of the electric push rod 3 drives the bending block 4 to move downward, so that the steel bar can be bent.

[0029] The above-mentioned embodiments only express the specific implementation methods of the utility model, and the description is relatively specific and detailed, but it cannot be understood as limiting the scope of the patent of the utility model. It should be pointed out that for ordinary technicians in this field, several modifications and improvements can be made without departing from the concept of the utility model, which all belong to the protection scope of the utility model.

Claims

1. A traction and bending device for arc-shaped steel bars of bridges, comprising a base (1), characterized in that: Also includes: A support frame (2), the support frame (2) is fixedly connected to the base (1), and an electric push rod (3) is fixedly mounted on the support frame (2), and the output end of the electric push rod (3) passes through the support frame (2) and is fixedly connected to a bending block (4); A slide cylinder (5), the slide cylinder (5) is fixedly connected to the base (1), and a slide rod (6) is slidably sleeved on the slide cylinder (5), and a support plate (7) is fixedly connected to the slide rod (6); A lifting component, the lifting component is arranged on the base (1) and is used to drive the support plate (7) to move up and down; A sliding block (8), wherein two grooves are provided on the base (1), two sliding blocks (8) are provided, and the two sliding blocks (8) are respectively slidably connected in the two grooves, and a telescopic member is fixedly connected to the sliding block (8); A reset component, the reset component is arranged in the groove and is used to drive the sliding block (8) to slide to a starting position; A rotating block (9), the rotating block (9) is fixedly connected to the telescopic member, and a rotating seat (10) is rotatably sleeved on the rotating block (9); A clamping member, the clamping member is fixedly connected to the rotating seat (10) and is used to clamp and fix the steel bar.

2. The device for pulling and bending a curved steel bar of a bridge according to claim 1, characterized in that: The lifting assembly comprises: A threaded barrel (11), wherein two threaded barrels (11) are provided and the threaded barrels (11) are rotatably connected to the base (1); A rotating screw (12), wherein the rotating screw (12) is threadedly sleeved on the threaded barrel (11), and the rotating screw (12) is fixedly connected to the support plate (7); A linkage assembly is arranged between the two threaded barrels (11) and is used to simultaneously drive the two threaded barrels (11) to rotate.

3. The device for pulling and bending a curved steel bar of a bridge according to claim 2, characterized in that: The linkage components include: A rotating gear (13), wherein two rotating gears (13) are provided, and the two rotating gears (13) are respectively fixedly sleeved on the two threaded cylinders (11); A toothed chain (14), the toothed chain (14) being transmission-connected between the two rotating gears (13); A driving assembly is arranged on one of the threaded barrels (11) and is used to drive the threaded barrel (11) to rotate.

4. The device for pulling and bending arc-shaped reinforcement members of a bridge according to claim 3, characterized in that: The drive assembly comprises: A mounting frame (15), wherein the mounting frame (15) is fixedly connected to the base (1); A rotating shaft (16), the rotating shaft (16) being rotatably connected between the mounting frame (15) and the base (1); A driving gear (17), the rotating gear (13) is fixedly sleeved on the rotating shaft (16); A passive gear (18), wherein the passive gear (18) is fixedly sleeved on one of the threaded barrels (11), and the active gear (17) is meshed with the passive gear (18); A motor (19), wherein the motor (19) is fixedly mounted on the mounting frame (15), and an output end of the motor (19) passes through the mounting frame (15) and is coaxially connected to the rotating shaft (16).

5. The device for pulling and bending a curved steel bar of a bridge according to claim 4, characterized in that: The telescopic member comprises: A storage tube (20), wherein the storage tube (20) is fixedly connected to the sliding block (8); A telescopic rod (21), wherein the telescopic rod (21) is slidably mounted on the storage tube (20), and the telescopic rod (21) is fixedly connected to the rotating block (9); A telescopic spring (22), wherein the telescopic spring (22) is connected between the storage tube (20) and the telescopic rod (21).

6. The device for pulling and bending arc-shaped reinforcement members of a bridge according to claim 5, characterized in that: The reset component comprises: A reset cylinder (23), wherein the reset cylinder (23) is fixedly connected in the groove; A reset rod (24), wherein the reset rod (24) is slidably sleeved on the reset cylinder (23), and the reset rod (24) is fixedly connected to the sliding block (8); A return spring (25), wherein the return spring (25) is connected between the return cylinder (23) and the return rod (24).

7. The device for pulling and bending arc-shaped reinforcement members of a bridge according to claim 6, characterized in that: The clamping member comprises: A clamping seat (26), wherein the clamping seat (26) is fixedly connected to the rotating seat (10); a bidirectional screw (27), the bidirectional screw (27) being rotatably connected to the clamping seat (26); A threaded plate (28), wherein two threaded plates (28) are provided, the two threaded plates (28) are threadedly sleeved on the bidirectional screw (27), and the threaded plates (28) are slidably connected to the clamping seat (26); A clamping plate (29), wherein two clamping plates (29) are provided, and the two clamping plates (29) are respectively fixedly connected to the two threaded plates (28); A rotating rod (30), wherein the rotating rod (30) is fixedly connected to the bidirectional screw rod (27), and the rotating rod (30) passes through the clamping seat (26) and extends to the outside; A rotating knob (31), wherein the rotating knob (31) is fixedly connected to the rotating rod (30).

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