Steel bar pre-bending device for civil engineering construction

Abstract

The utility model discloses a reinforcing steel bar pre-bending device for civil engineering construction, and particularly relates to the technical field of civil engineering construction, the reinforcing steel bar pre-bending device comprises a box body, the inner wall of the box body is fixedly connected with a motor, the output end of the motor is fixedly connected with a rotating shaft, and the outer surface of the rotating shaft is rotatably connected with the inner wall of the box body; and a workbench is fixedly connected to the top of the rotating shaft, a transmission mechanism is arranged in the box body, a feeding assembly is arranged at the top of the box body, and an adjusting assembly is arranged in the workbench. According to the reinforcing steel bar pre-bending device for civil engineering construction, the feeding assembly is arranged, specifically, in the rotating process of a rotating shaft, a bevel gear I is driven to rotate through a transmission mechanism, so that a reinforcing steel bar can move rightwards along with the driving of a workbench, and a worker does not need to be matched with a machine to push the reinforcing steel bar; and the probability that workers are injured is reduced, the bending time of each reinforcing steel bar can be shortened, and the working efficiency of the device is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to civil engineering construction technical field especially civil engineering construction steel bar pre -bending device. BACKGROUND

[0002] In the subway civil engineering construction, steel bar pre -bending device is a kind of important equipment. Due to the complex structure of subway engineering, the shape and precision of steel bar are required higher, and the special pre -bending device can efficiently and accurately bend steel bar into the shape meeting the design requirements, for example, the bending angle and radian of bent steel bar.

[0003] The existing device needs to push steel bar by manpower and machine cooperation in the process of bending steel bar, so that the material is bent, not only needs the staff to contact the machine being operated and the steel bar being bent closely, increases the probability of staff injury, and the bending time of each steel bar is prolonged by the way of manpower cooperation, reduces the working efficiency of the device, therefore we propose a kind of civil engineering construction steel bar pre -bending device to solve the above problems. UTILITY MODEL CONTENTS

[0004] The main purpose of the utility model is to provide a kind of civil engineering construction steel bar pre -bending device, which can effectively solve the above problems.

[0005] To achieve the above purpose, the technical scheme adopted by the utility model is as follows:

[0006] A kind of civil engineering construction steel bar pre -bending device, including box, the inner wall of the box is fixedly connected with motor, the output end of the motor is fixedly connected with rotating shaft, the outer surface of the rotating shaft is rotatably connected with the inner wall of the box, the top of the rotating shaft is fixedly connected with workbench, the inside of the box is provided with transmission mechanism, the top of the box is provided with feeding assembly, the inside of the workbench is provided with adjusting assembly.

[0007] Preferably, the feeding assembly includes a support frame, the bottom of the support frame is fixedly connected with the top of the box, the inner wall of the support frame is rotatably connected with a shaft, the front surface of the shaft is fixedly connected with a bevel gear, and the outer surface of the shaft is fixedly connected with a feeding wheel.

[0008] Preferably, the top of the feeding wheel is in contact with a feeding wheel two, the top of the feeding wheel two is fixedly connected with a handle, the back surface of the feeding wheel two is fixedly connected with a connecting frame, and the top of the back surface of the support frame is fixedly connected with two fixed rods.

[0009] Preferably, the outer surfaces of the two fixed rods are slidably connected with the inner walls of the connecting frames, springs are sleeved on the outer surfaces of the two fixed rods, and limit blocks are fixedly connected to the tops of the two fixed rods.

[0010] Preferably, two said spring one top are fixedly connected with the bottom of the same side said limit block, two said spring one bottom are fixedly connected with the top of connecting frame.

[0011] Preferably, the adjusting assembly comprises a threaded rod, the front and back outer surfaces of the threaded rod are rotationally connected with the inner walls of the workbench, and the back of the threaded rod is fixedly connected with a rotating block.

[0012] Preferably, the outer surface of the threaded rod is threadedly connected with a moving frame, the inner wall of the moving frame is slidably connected with a plurality of slide rods, and the front faces of the plurality of slide rods are fixedly connected with a guide rod.

[0013] Preferably, the outer surfaces of the plurality of slide rods are all sleeved with spring two, the front faces of the plurality of spring two are all fixedly connected with the back of the guide rod, and the backs of the plurality of spring two are all fixedly connected with the front face of the moving frame.

[0014] Compared with the prior art, the utility model has the advantages of the following:

[0015] 1. The utility model discloses a feeding assembly, which is driven by a transmission mechanism to rotate the conical gear during the rotation of the rotating shaft, so that the reinforcing steel bar can be moved to the right side along with the workbench. The staff does not need to push the reinforcing steel bar in cooperation with the machine. Not only the staff does not need to be close to the machine and the bending reinforcing steel bar, which reduces the injury probability of the staff, but also the bending time of each reinforcing steel bar is reduced, and the working efficiency of the device is improved.

[0016] 2. The utility model discloses an adjusting assembly, which is driven by the rotating block to move the moving frame to the front face in a clockwise direction, so that the guide rod is tightly attached to the surface of the reinforcing steel bar. The reinforcing steel bar can be fixed on the top of the workbench through the fixed rod in the center of the top of the workbench. The reinforcing steel bar can be tightly attached between the limiting rod and the fixed rod to prevent the reinforcing steel bar from sliding during bending, and ensure the smooth bending operation. Moreover, the device is universal for reinforcing steel bars of different diameters. DRAWINGS

[0017] Figure 1 It is a whole structure schematic view of the utility model;

[0018] Figure 2 It is a front face sectional structure schematic view of the utility model box;

[0019] Figure 3 It is a whole structure schematic view of the utility model supporting frame;

[0020] Figure 4 It is a whole structure schematic view of the utility model moving frame;

[0021] Figure 5 The utility model discloses Figure 4 The amplification structure schematic diagram of A in.

[0022] In the drawing: 1, box body;11, motor;12, rotating shaft;13, workbench;14, transmission mechanism;2, feeding assembly;21, support frame;22, rotating shaft;221, bevel gear one;222, feeding wheel one;23, feeding wheel two;231, handle;232, connecting frame;24, fixed link;241, spring one;242, limit block;3, adjusting assembly;31, threaded rod;32, rotating block;33, moving frame;34, slide rod;35, guide rod;36, spring two. DETAILED DESCRIPTION

[0023] In order to make the technical means, creation features, purposes and effects realized by the utility model easy to understand, the utility model is further described below in combination with specific embodiments.

[0024] Embodiment one, as Figures 1-5 Illustrated, a steel bar pre-bending device for civil engineering construction, including box body 1, the inner wall of box body 1 is fixedly connected with motor 11, the output end of motor 11 is fixedly connected with rotating shaft 12, the outer surface of rotating shaft 12 is rotatably connected with the inner wall of box 1, the top of rotating shaft 12 is fixedly connected with workbench 13, the inside of box 1 is provided with transmission mechanism 14, the top of box 1 is provided with feeding assembly 2, the inside of workbench 13 is provided with adjusting assembly 3.

[0025] The above-mentioned transmission mechanism 14 includes gear one, gear two, rotating shaft one, rotating shaft two, belt and bevel gear two.

[0026] The gear one is more than the gear two, the rotating shaft 12 rotates simultaneously and drives the gear one to rotate, when the gear one rotates, the rotating shaft one is rotated in the inner wall of box 1 by the gear two, the rotating shaft two is rotated in the inner wall of box 1 by the belt when the rotating shaft one rotates, the bevel gear two is rotated by the rotating shaft two, the bevel gear one is rotated by the bevel gear two when the bevel gear two rotates.

[0027] Specifically, in order to realize the purpose of not needing staff to cooperate with the machine to push the steel bar, referring to Figure 2 And Figure 3 In the embodiment, the feeding assembly 2 includes support frame 21, the bottom of support frame 21 is fixedly connected with the top of box 1, the inner wall of support frame 21 is rotatably connected with rotating shaft 22, the front surface of rotating shaft 22 is fixedly connected with bevel gear one 221, the outer surface of rotating shaft 22 is fixedly connected with feeding wheel one 222.

[0028] Further, referring to Figure 3In the embodiment, the top of the feeding wheel one 222 is in contact with a feeding wheel two 23, the top of the feeding wheel two 23 is fixedly connected with a handle 231, the back of the feeding wheel two 23 is fixedly connected with a connecting frame 232, and the back top of the supporting frame 21 is fixedly connected with two fixed rods 24.

[0029] Further, referring to Figure 3 In the embodiment, the outer surfaces of the two fixed rods 24 are both in sliding connection with the inner walls of the connecting frame 232, the outer surfaces of the two fixed rods 24 are both sleeved with spring ones 241, and the top of the two fixed rods 24 is both fixedly connected with a limiting block 242.

[0030] Further, referring to Figure 3 In the embodiment, the top of the two spring ones 241 is both fixedly connected with the bottom of the same side limiting block 242, and the bottom of the two spring ones 241 is both fixedly connected with the top of the connecting frame 232.

[0031] In the implementation process, the rotation of the bevel gear one 221 drives the rotation of the rotating shaft 22 in the inner wall of the supporting frame 21, the rotation of the supporting frame 21 drives the rotation of the rotating shaft 22, so that the steel bars at the top of the rotating shaft 22 can be moved to the right side with the driving of the workbench 13, the workers do not need to push the steel bars in cooperation with the machine, not only the workers do not need to be close to the machine and the bent steel bars, but also the probability of injury of the workers is reduced, the bending time of each steel bar is reduced, and the working efficiency of the device is improved.

[0032] Embodiment two, the adjusting assembly is arranged on the basis of embodiment one.

[0033] Specifically, in order to realize the adjustment of the position of the guide rod and fix the steel bars of various sizes, referring to Figure 4 and Figure 5 In the embodiment, the adjusting assembly 3 comprises a threaded rod 31, the front and back outer surfaces of the threaded rod 31 are both in rotary connection with the inner walls of the workbench 13, and the back of the threaded rod 31 is fixedly connected with a rotating block 32.

[0034] Further, referring to Figure 4 In the embodiment, the outer surface of the threaded rod 31 is threadedly connected with a moving frame 33, the inner wall of the moving frame 33 is slidably connected with a plurality of slide rods 34, and the front of the plurality of slide rods 34 is commonly fixedly connected with a guide rod 35.

[0035] Further, referring to Figure 5 In the embodiment, the outer surfaces of the plurality of slide rods 34 are all sleeved with spring twos 36, the front of the plurality of spring twos 36 is all fixedly connected with the back of the guide rod 35, and the back of the plurality of spring twos 36 is all fixedly connected with the front of the moving frame 33.

[0036] In the implementation process, rotating the rotating block 32 drives the threaded rod 31 to rotate in the inner wall of the workbench 13. The threaded rod 31 rotates clockwise, which drives the moving frame 33 to move forward. When the moving frame 33 moves forward by a certain distance, it drives the guide rod 35 to contact the outer surface of the steel bar. When the guide rod 35 contacts the outer surface of the steel bar, it pushes several slide rods 34 to slide in the inner wall of the moving frame 33. The slide rods 34 slide and press the spring 36 to deform. The deformed spring 36 pushes the guide rod 35 to tightly adhere to the surface of the steel bar through the elastic force. The fixed rod at the top center of the workbench 13 can fix the steel bar at the top of the workbench 13. Not only can the steel bar be tightly attached between the limiting rod and the fixed rod to prevent the steel bar from sliding during bending and ensure the smooth operation of the bending operation, but also there is no need to equip a special pre-bending device for each diameter of steel bar, improving the versatility of the equipment.

[0037] The utility model discloses a working principle is: when the subway construction needs to bend the reinforcing steel bar, first through handle 231 will feed wheel two 23 be pulled upwards, feed wheel two 23 move upwards simultaneously can drive the connecting frame 232 on the outer surface of two fixed links 24 slide upwards, when the connecting frame 232 moves upwards, will extrude two spring one 241 and make it change shape, after placing the reinforcing steel bar that needs to bend on the top of feed wheel one 222 and the top of workbench 13, the spring one 241 of loosening handle 231 change shape will make feed wheel two 23 bottom and the outer surface of reinforcing steel bar top close contact, clockwise rotating rotating block 32 drive threaded rod 31 rotate in the inner wall of workbench 13, the process of threaded rod 31 clockwise rotation will drive moving frame 33 move to the front, when moving frame 33 moves to the front a certain distance, will drive guide rod 35 front and reinforcing steel bar outer surface contact, when guide rod 35 and the outer surface of reinforcing steel bar contact, guide rod 35 will push several slide bars 34 slide in the inner wall of moving frame 33, the process of slide bar 34 sliding will extrude spring two 36 and make it change shape, the spring two 36 of change shape will push guide rod 35 tightly adhere to the surface of reinforcing steel bar through the elastic force, can fix reinforcing steel bar on the top of workbench 13 through the fixed link of workbench 13 top center, not only can make reinforcing steel bar closely adhere to between the limiting rod and fixed link, prevent reinforcing steel bar from sliding when bending, ensure the smooth operation of bending operation, and do not need to equip special pre-bending device for each diameter reinforcing steel bar, improve the versatility of equipment, when reinforcing steel bar fixing is completed, open motor 11 drive rotating shaft 12 rotate, the rotating shaft 12 rotates and will drive workbench 13 rotate and make its top reinforcing steel bar can be bent, the process of rotating shaft 12 rotation will drive bevel gear one 221 rotate through transmission mechanism 14, the bevel gear one 221 rotates and will drive rotating shaft 22 in the inner wall of support frame 21, when support frame 21 rotates, will drive rotating shaft 22 rotate and make its top reinforcing steel bar can move to the right side along with workbench 13 drive reinforcing steel bar, do not need staff and machine cooperation to push reinforcing steel bar, not only do not need staff close contact with the machine that is running and the reinforcing steel bar that is being bent, reduce the probability of staff injury, but also can reduce the bending time of each reinforcing steel bar, improve the work efficiency of device.

[0038] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. The skilled person in the art should understand that the utility model is not limited to the above examples, and the above examples and descriptions in the specification are only to illustrate the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model can have various changes and improvements, and these changes and improvements all fall within the scope of the claimed utility model. The scope of protection of the utility model is defined by the appended claims and their equivalents.

Claims

1. A steel bar pre-bending device for civil engineering construction, comprising a box (1), wherein a motor (11) is fixedly connected to the inner wall of the box (1), a rotating shaft (12) is fixedly connected to the output end of the motor (11), the outer surface of the rotating shaft (12) is rotatably connected to the inner wall of the box (1), and a workbench (13) is fixedly connected to the top of the rotating shaft (12), characterized in that: The box (1) is internally provided with a transmission mechanism (14), the box (1) top is provided with a feeding assembly (2), the workbench (13) is internally provided with an adjusting assembly (3); The feeding assembly (2) comprises a support frame (21), the support frame (21) bottom is fixedly connected with the box (1) top, the support frame (21) inner wall is rotatably connected with a rotating shaft (22), the rotating shaft (22) front surface is fixedly connected with a bevel gear one (221), and the rotating shaft (22) outer surface is fixedly connected with a feeding wheel one (222).

2. A reinforcing bar pre-bending device for civil engineering construction according to claim 1, characterized in that: The feeding wheel one (222) top is contacted with a feeding wheel two (23), the feeding wheel two (23) top is fixedly connected with a handle (231), the feeding wheel two (23) back surface is fixedly connected with a connecting frame (232), and the support frame (21) back surface top is fixedly connected with two fixed rods (24).

3. A reinforcing bar pre-bending device for civil engineering construction according to claim 2, characterized in that: The outer surfaces of the two fixed rods (24) are slidably connected with the inner walls of the connecting frames (232), the outer surfaces of the two fixed rods (24) are sleeved with springs one (241), and the top portions of the two fixed rods (24) are fixedly connected with limiting blocks (242).

4. A reinforcing bar pre-bending device for civil engineering construction according to claim 3, characterized in that: The top portions of the two springs one (241) are fixedly connected with the bottom portions of the same side limiting blocks (242), and the bottom portions of the two springs one (241) are fixedly connected with the top portions of the connecting frames (232).

5. A reinforcing bar pre-bending device for civil engineering construction according to claim 1, characterized in that: The adjusting assembly (3) comprises a threaded rod (31), the threaded rod (31) front surface and back surface outer surface are rotatably connected with the workbench (13) inner wall, and the threaded rod (31) back surface is fixedly connected with a rotating block (32).

6. A reinforcing bar pre-bending device for civil engineering construction according to claim 5, characterized in that: The outer surface of the threaded rod (31) is threadedly connected with a moving frame (33), the moving frame (33) inner wall is slidably connected with a plurality of slide rods (34), and the front surfaces of the plurality of slide rods (34) are fixedly connected with a guide rod (35).

7. A reinforcing bar pre-bending device for civil engineering construction according to claim 6, characterized in that: The outer surfaces of the plurality of slide rods (34) are sleeved with springs two (36), the front surfaces of the plurality of springs two (36) are fixedly connected with the back surfaces of the guide rods (35), and the back surfaces of the plurality of springs two (36) are fixedly connected with the front surfaces of the moving frames (33).

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