CN221269534U - Height-adjustable steel bar straightening unreeling device - Google Patents

Abstract

The utility model provides a high adjustable reinforcing bar straightens unreeling device, including walking support, stirrup unreeling mechanism and elevating system, one side of elevating system installation walking support, stirrup unreels the mechanism fixed mounting in the centre of elevating system upper end, stirrup unreels the mechanism and includes base and runing rest, the middle part of base is equipped with the back shaft, the center of runing rest is a main shaft, the lower terminal surface of main shaft is equipped with the shaft hole of embolia on the back shaft, form the revolute pair between shaft hole and the back shaft, be connected with a plurality of vertical poles through the horizontal pole in the outside of main shaft, be equipped with the runing rest between the lower tip of vertical pole and main shaft; the steel bar straightening unreeling device can enable the steel bars to be basically in a fixed horizontal state and enter the straightening machine, the problem that the steel bars collide with the inlet of the steel bar straightening machine seriously is avoided, interference between the steel bars is small, and stability and safety of unreeling of the unreeling device are guaranteed.

Description

Height-adjustable steel bar straightening unreeling device

Technical Field

The utility model relates to the field of building reinforcing steel bar straightening machines, in particular to a height-adjustable reinforcing steel bar straightening unreeling device.

Background

The reinforcement cage is a reinforcement cage in pouring molding of cast-in-place piles, hole digging piles, bridge pier columns and the like.

When the reinforcement cage winding machine is used for winding the reinforcement cage, the reinforcement cage frame is placed on two rows of carrier rollers on the rolling mechanism of the reinforcement winding machine, the reinforcement cage frame rotates around the central axis of the reinforcement cage frame between the two carrier rollers, and the reinforcement is wound on the outer surface of the reinforcement cage frame through the walking paying-off mechanism in the rotating process.

The existing walking paying-off mechanism mainly comprises an unreeling support and a reinforcing steel bar straightening machine, wherein the unreeling support and the reinforcing steel bar straightening machine are arranged on the walking support, rolled reinforcing steel bars are fed into the reinforcing steel bar straightening machine through the unreeling support, and then are fed out and wound on the outer surface of a reinforcing steel bar cage frame. The reinforcing steel bar in the reinforcing steel bar roll is in a thread shape and is wound up and down, so that the reinforcing steel bar is in a floating up and down state and is discharged from the unreeling support to enter the reinforcing steel bar straightening machine, the reinforcing steel bar can repeatedly collide with an inlet of the reinforcing steel bar straightening machine, mutual interference is serious, and unreeling stability and safety of the unreeling support are affected.

Disclosure of utility model

In order to solve the problems, the utility model provides a height-adjustable steel bar straightening unreeling device.

The technical scheme of the utility model is as follows: the utility model provides a high adjustable reinforcing bar straightening unreels device, including walking support, stirrup unreels mechanism and elevating system, one side of elevating system installation walking support, this walking support is frame construction's support, stable in structure, weight is lighter, stirrup unreels mechanism fixed mounting in the centre of elevating system upper end, stirrup unreels mechanism includes base and runing rest, the middle part of base is equipped with the back shaft, the back shaft is fixed in the base middle part perpendicularly, the center of runing rest is a main shaft, the lower terminal surface of main shaft is equipped with the shaft hole of embolia on the back shaft, form the revolute pair between shaft hole and the back shaft, be connected with a plurality of vertical poles through the horizontal pole in the outside of main shaft, a plurality of vertical pole is along the circumference evenly distributed of main shaft, be equipped with the rotation base between the lower tip of vertical pole and main shaft.

Preferably, the lifting mechanism comprises an underframe and a platform plate which are arranged up and down correspondingly, the underframe and the platform plate are arranged in parallel, the base is fixedly arranged on the platform plate, connecting rods are hinged between the side parts of the underframe and the platform plate in a diagonal mode, the connecting rods on two sides are hinged through a transverse shaft, two ends of the transverse shaft are fastened through nuts, a push-pull cross rod is arranged between the lower ends of the two connecting rods on one end of the transverse shaft, the push-pull cross rod and the transverse shaft are arranged in parallel, rollers are arranged at two ends of the push-pull cross rod, guide rails are correspondingly arranged on two sides of the underframe, the rollers are arranged in guide rail grooves of the guide rails and roll along the guide rails, and a driving mechanism for driving the push-pull cross rod to move is arranged on one side of the underframe.

Preferably, the driving mechanism comprises a screw rod, a nut sliding block and a gear motor, an inner bearing seat is arranged in the middle between the inner ends of the guide rails, an outer bearing seat is arranged in the middle between the outer ends of the guide rails, the inner bearing seat and the outer bearing shaft are mutually corresponding, the screw rod is connected between the inner bearing seat and the outer bearing seat, the nut sliding block is arranged on the screw rod, the lower end of the nut sliding block is fixedly connected with the push-pull cross rod, the lower end of the nut sliding block is hooped on the push-pull cross rod through a hoop, the gear motor is arranged at one end of the screw rod to drive the gear motor to rotate, and the gear motor comprises a motor and a speed reducer.

Preferably, the outer edge of the rotating base is provided with annular guardrails, the annular guardrails are arranged on two sides, and the upper side and the lower side are fixedly connected through connecting rods.

Preferably, the upper end of the vertical rod is provided with a bending section which is bent inwards.

Preferably, rail wheels are arranged at two ends of the side part of the walking support, and the rail wheels are in a step shaft shape.

The beneficial technical effects of the utility model are as follows: the lifting mechanism is arranged on the walking support, the stirrup unreeling mechanism is arranged at the upper end of the lifting mechanism, the lifting mechanism is synchronously started when the stirrup unreels and conveys the steel bars to the steel bar straightening machine, the stirrup unreeling mechanism is driven to descend when the steel bars float upwards, the stirrup unreels mechanism is driven to ascend and descend when the steel bars float downwards, the steel bars basically enter the straightening machine in a fixed horizontal state, the problem that the steel bars collide with the inlet of the steel bar straightening machine seriously is avoided, mutual interference is small, and stability and safety of unreeling of the unreeling device are guaranteed.

Drawings

FIG. 1 is a schematic perspective view of the present utility model;

FIG. 2 is a schematic diagram of the front view of the present utility model;

FIG. 3 is a cross-sectional view taken along A-A of FIG. 2;

fig. 4 is a schematic perspective view of the walking bracket and the lifting mechanism of the utility model.

In the figure, 01, walking bracket, 11, rail wheel, 02, lifting mechanism, 21, underframe, 22, platform plate, 23, connecting rod, 24, transverse shaft, 25, push-pull cross rod, 251, idler wheel, 26, guide rail, 27, lead screw, 271, nut sliding block, 28, reducing motor, 291, inner bearing seat, 292, outer bearing seat, 31, base, 311, supporting shaft, 32, main shaft, 321, shaft hole, 33, cross rod, 34, vertical rod, 341, bending section, 35, rotating base, 351 and annular guardrail.

Detailed Description

Referring to fig. 1-4 of the drawings, a height-adjustable steel bar straightening and unreeling device comprises a walking bracket 01, a stirrup unreeling mechanism and a lifting mechanism 02, wherein the lifting mechanism 02 is arranged on one side of the walking bracket 01, the stirrup unreeling mechanism is fixedly arranged in the middle of the upper end of the lifting mechanism 02, the lifting mechanism 02 drives the stirrup unreeling mechanism to rise or fall, the stirrup unreeling mechanism comprises a base 31 and a rotating bracket, a supporting shaft 311 is arranged in the middle of the base 31, the center of the rotating bracket is a main shaft 32, the lower end face of the main shaft 32 is provided with a shaft hole 321 sleeved on the supporting shaft 311, a rotating pair is formed between the shaft hole 321 and the supporting shaft 311, therefore, the rotating bracket can freely rotate on the base 31, a plurality of vertical rods 34 are connected on the outer side of the main shaft 32 through a cross rod 33, a rotating base 35 is arranged between the vertical rods 34 and the lower end of the main shaft 32, a bending section 341 which is bent inwards is arranged on the upper end of the vertical rods 34, the steel bar rolls are arranged on the outer sides of the vertical rods 34, the vertical rods 34 are tightly supported on the inner sides of the rolls, and the steel bars are ensured to be in a stable sleeved state when unreeling.

The lifting mechanism 02 comprises a bottom frame 21 and a platform plate 22 which are arranged up and down correspondingly, a base 31 is fixedly arranged on the platform plate 22, connecting rods 23 are hinged diagonally between the side parts of the bottom frame 21 and the platform plate 22, the connecting rods 23 on two sides are hinged through a transverse shaft 24, the connecting middle parts on two sides are hinged to be in an X shape, a push-pull cross rod 25 is arranged between the lower ends of the two connecting rods 23 on one end, the two connecting rods 23 rotate relatively under the push-pull action of the push-pull rods on the connecting lower ends, the platform plate 22 is driven to lift or fall, rollers 251 are arranged at two ends of the push-pull cross rod 25, guide rails 26 are correspondingly arranged on two sides of the bottom frame 21, the rollers 251 are arranged in the guide rail 26 grooves of the guide rails 26, and a driving mechanism for driving the push-pull cross rod 25 to move is arranged on one side of the bottom frame 21, and the push-pull cross rod is driven to slide transversely between the two guide rails 26 through the driving mechanism.

The driving mechanism comprises a screw rod 27, a nut sliding block 271 and a gear motor 28, an inner bearing seat 291 is arranged in the middle between the inner ends of the guide rails 26, an outer bearing seat 292 is arranged in the middle between the outer ends of the guide rails, the screw rod 27 is connected between the inner bearing seat 291 and the outer bearing seat 292, the nut sliding block 271 is arranged on the screw rod 27, the lower end of the nut sliding block 271 is fixedly connected with the push-pull cross rod 25, the screw rod 27 rotates between the two bearing seats to drive the nut sliding block 271, the nut sliding block 271 and the push-pull cross rod 25 below the screw rod are synchronously moved, the transverse driving action of the push-pull cross rod 25 is realized, and the gear motor 28 is arranged at one end of the screw rod 27 to drive the screw rod to rotate.

The outer edge of the rotating base 35 is provided with an annular guardrail 351, and the annular guardrail 351 protects the lower part of the reinforcing steel coiled material below and avoids the phenomenon of falling apart when the reinforcing steel head is released by sleeving the rotating support. Rail wheels 11 are arranged at two ends of the side part of the walking bracket 01, and the rail wheels 11 are in a step shaft shape.

When the steel bar straightening machine is used, the steel bar rolls are sleeved on the outer side of the vertical rod 34 from the bending section 341 of the rotating support, the vertical rod 34 is tightly supported on the inner side of the steel bar rolls, the steel bar rolls are tightly sleeved in the rotating support, then the ends of the steel bar rolls are released, the ends are introduced into the inlet of the steel bar straightening machine, the steel bar straightening machine is started to perform straightening operation, the stirrup unreeling mechanism is pulled to rotate, the steel bar rolls enter the steel bar straightening machine from the stirrup unreeling mechanism, meanwhile, the lifting mechanism 02 is synchronously started, the stirrup unreeling mechanism is driven to descend when the steel bar unreels float upwards, and the stirrup unreeling mechanism is driven to lift when the steel bar unreels float downwards, so that the steel bar is basically in a fixed horizontal state and enters the straightening machine.

Claims (4)

1. A height-adjustable steel bar straightening unreeling device is characterized in that:

The device comprises a walking bracket, a stirrup unreeling mechanism and a lifting mechanism, wherein the lifting mechanism is arranged on one side of the walking bracket, the stirrup unreeling mechanism is fixedly arranged in the middle of the upper end of the lifting mechanism, the stirrup unreeling mechanism comprises a base and a rotating bracket, a supporting shaft is arranged in the middle of the base, the center of the rotating bracket is a main shaft, the lower end surface of the main shaft is provided with a shaft hole sleeved on the supporting shaft, a revolute pair is formed between the shaft hole and the supporting shaft, a plurality of vertical rods are connected to the outer side of the main shaft through transverse rods, and a rotating base is arranged between the vertical rods and the lower end part of the main shaft;

The lifting mechanism comprises a bottom frame and a platform plate which are arranged up and down correspondingly, the base is fixedly arranged on the platform plate, connecting rods are hinged between the side parts of the bottom frame and the platform plate in a diagonal mode, the connecting rods on the two sides are hinged through a transverse shaft, a push-pull cross rod is arranged between the lower ends of the two connecting rods on one end of the connecting rods, rollers are arranged at the two ends of the push-pull cross rod, guide rails are correspondingly arranged on the two sides of the bottom frame, the rollers are arranged in guide rail grooves of the guide rails, and a driving mechanism for driving the push-pull cross rod to move is arranged on one side of the bottom frame;

The driving mechanism comprises a screw rod, a nut sliding block and a gear motor, an inner bearing seat is arranged in the middle between the inner ends of the guide rails, an outer bearing seat is arranged in the middle between the outer ends of the guide rails, the screw rod is connected between the inner bearing seat and the outer bearing seat, the nut sliding block is arranged on the screw rod, the lower end of the nut sliding block is fixedly connected with the push-pull cross rod, and the gear motor is arranged at one end of the screw rod to drive the screw rod to rotate.

2. The height-adjustable steel bar straightening unreeling device of claim 1, wherein the height-adjustable steel bar straightening unreeling device comprises the following components: the outer edge of the rotating base is provided with an annular guardrail.

3. The height-adjustable steel bar straightening unreeling device of claim 1, wherein the height-adjustable steel bar straightening unreeling device comprises the following components: the upper end of the vertical rod is provided with a bending section which is bent inwards.

4. The height-adjustable steel bar straightening unreeling device of claim 1, wherein the height-adjustable steel bar straightening unreeling device comprises the following components: track wheels are arranged at two ends of the side part of the walking support, and the track wheels are in a step shaft shape.