CN214052010U - Rolling crusher for reinforcing steel bars in concrete beam - Google Patents

Abstract

The utility model relates to a reinforced bar rolling crusher in concrete beam, which comprises a workbench, wherein a rolling device is arranged on the workbench; the rolling device is a rolling knife capable of vertically reciprocating and comprises a rolling shaft, rolling seats are arranged at two ends of the rolling shaft, and a rolling rotary driving device is arranged on the outer side of each rolling seat; the rolling shaft is driven by the rolling rotary driving device to perform rotary motion; the rolling shaft is provided with a plurality of rolling blades; the rolling seat is arranged in a vertically arranged sliding guide rail and is connected with a vertically arranged reciprocating driving device; the flat pressing device is arranged behind the rolling device; the flat pressing device is characterized by further comprising a rolling shearing device, and the rolling shearing device is located behind the flat pressing device. The utility model discloses can be high-efficient, reliable stage by stage to tying up the stirrup of main reinforcing bar, and the concrete piece between the main reinforcing bar is sheared, broken, has improved the treatment effeciency.

Description

Rolling crusher for reinforcing steel bars in concrete beam

Technical Field

The utility model relates to a carry out breakage to concrete beam to cut as required main reinforcement in it, improve recycle's device.

Background

In the construction field, concrete beams are often used, as they are generally formed by binding reinforcing bars as internal supports, then pouring concrete and setting. When the building is dismantled, the concrete beam is difficult to be broken by common demolition equipment due to its firm structure.

At present, some professional devices are used for crushing concrete beams, for example, a reinforced concrete beam pre-crushing device with a chinese patent publication No. CN107008560A, which is applied by the applicant before, i.e., a special working head is used to perform static pressure shearing and crushing on concrete, so that the concrete is crushed and dropped quickly, and separated from the internal reinforcing steel bars, thereby facilitating transportation and recycling of the reinforcing steel bars. The full-automatic concrete crushing device with the Chinese patent publication No. CN108499640A also adopts a hydraulic crushing mode to crush the concrete beam into small concrete blocks, and is convenient to process.

Chinese patent publication is CN 206566970U's a full-automatic concrete breaker of hydraulic pressure that realizes reinforcing bar recovery and recycle, on the broken basis of hydraulic pressure, still is equipped with the reinforcing bar and cuts out the device, cuts the reinforcing bar and cuts off, the recovery of the reinforcing bar of being convenient for.

However, as the main steel bars in the concrete beam have high strength and high value, if the main steel bars can be independently recycled, the recycling value can be improved; however, the existing crushing devices all focus on the crushing of concrete blocks, and do not effectively treat internal steel bars, and only can form disordered steel bar groups or steel bar crushed aggregates.

Therefore, a section of steel bar in the concrete beam, particularly a main steel bar is required to be cut off, the main steel bar is convenient to recycle, and the recycling rate is improved.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a reinforcing bar roll extrusion breaker in concrete beam to reach the maximize of reinforcing bar retrieval and utilization.

In order to achieve the purpose of the utility model, a concrete beam inner reinforcement rolling crusher is provided, which is characterized by comprising a workbench, wherein a rolling device is arranged on the workbench;

the rolling device is a rolling knife capable of vertically reciprocating and comprises a rolling shaft, rolling seats are arranged at two ends of the rolling shaft, and a rolling rotary driving device is arranged on the outer side of each rolling seat; the rolling shaft is driven by the rolling rotary driving device to perform rotary motion;

the rolling shaft is provided with a plurality of rolling blades;

the rolling seat is installed in a vertically arranged sliding guide rail and is connected with a vertically arranged reciprocating driving device.

As the utility model discloses a further improvement, a plurality of the roll extrusion blade interval sets up, adjacent 2 clearance between the roll extrusion blade is greater than the cross-section maximum diameter of main reinforcement.

As a further improvement of the utility model, the rolling blade is divided into a plurality of blades along circumference.

As a further improvement of the utility model, the rolling device further comprises a flat pressing device which is arranged at the back of the rolling device.

Further, the flat pressing device is installed in a vertical sliding guide rail, and a flat pressing telescopic device is arranged above the flat pressing device; the flat pressing device is moved up and down by a telescopic device.

Further, the flat pressing device comprises a rolling shearing device, and the rolling shearing device is positioned behind the flat pressing device.

Furthermore, rolling shear seats are arranged on two sides of the rolling shear device, and 2 rolling shear shafts are vertically arranged in the rolling shear seats; a plurality of rolling shear blades are distributed on the rolling shear shaft; the upper and lower 2 rolling shear blades on the rolling shear shaft are matched up and down to form a vertical shear port;

the end part of each rolling shear shaft is provided with a driving mechanism, and 2 rolling shear shafts can drive the rolling shear blades on the rolling shear shafts to rotate actively.

As a further improvement of the utility model, the workbench is a hollow plate.

The utility model discloses a reinforcing bar roll extrusion breaker in concrete beam carries out the breakage that becomes more meticulous to the concrete beam through preliminary broken, thoroughly effectively gets rid of the concrete piece on the main reinforcement, and stirrup; firstly, a rolling device is adopted to roll and crush the concrete blocks among the main reinforcing steel bars, and the stirrups are pulled in the rolling and crushing process; then, the flat pressing device presses down the rolled and crushed stirrups and concrete blocks from the main reinforcing steel bars, and the surfaces of the main reinforcing steel bars are cleaned; and finally, performing roller shearing along the main reinforcing steel bars to shear the residual stirrups.

The utility model discloses a reinforcing bar roll extrusion breaker in concrete beam can be high-efficient, reliable stage by stage to tying up the stirrup of main reinforcing bar, and the concrete piece between the main reinforcing bar is sheared, broken, has improved the treatment effeciency.

The utility model discloses a reinforcing bar roll extrusion breaker in concrete beam, main equipment adopt the design of modularization equipment, and it is convenient to make, assemble, and the routine maintenance is convenient and reliable.

Drawings

FIG. 1 is a schematic view of the overall structure of the reinforcing bar rolling crusher in the concrete beam of the present invention;

FIG. 2 is a schematic view of the crusher and the waste discharger of the present invention;

fig. 3 is a schematic structural view of the rolling crusher of the present invention;

fig. 4 is a schematic view of a partial structure of the rolling device of the present invention;

figure 5 is a side view of the rolling blade of the present invention;

FIG. 6 is a front view of the roll shearing device of the present invention;

reference numerals: the device comprises a concrete beam 1, a material conveying table 2, a crusher 3, a rolling crusher 4, a waste output machine 5, a main reinforcing steel bar shearing machine 6 and a main reinforcing steel bar collecting machine 7;

a workbench 41, a rolling device 42, a flat pressing device 43 and a rolling shear device 44;

a rolling shaft 421, a rolling seat 422, a rolling blade 423 and a rolling rotation driving device 424;

a roller shear seat 441, a roller shear shaft 442 and a roller shear blade 443.

Detailed Description

The following describes the embodiments of the present invention in further detail with reference to the accompanying drawings.

The utility model discloses a concrete beam inner reinforcement rolling crusher is an important part device in a device for full-automatically crushing a concrete beam and then recovering main reinforcements in the concrete beam; wherein, carry out full-automatic broken recovery unit's aim at with concrete beam 1 to the concrete beam, carry out the concrete breakage, then take out reinforcing bar wherein, especially cut off, clear up thin stirrup, remain thick main reinforcement, cut as required to it, convenient recycle improves recycle.

As shown in fig. 1, the overall structure schematic diagram of the full-automatic crushing and recycling device for the concrete beam comprises a material conveying table 2, a crusher 3, a rolling crusher 4, a waste output machine 5, a main steel bar shearing machine 6 and a main steel bar collecting machine 7.

The material conveying platform 2 is provided with a speed reducer and a conveying roller driven by a chain wheel and a chain, and can convey the concrete beam 1 to be treated placed on the material conveying platform to a working area, and the concrete beam is firstly conveyed into the crusher 3.

The crusher 3 is provided with a main hydraulic cylinder, a shearing blade, a wear-resistant workbench, a material baffle plate, a main cylinder moving mechanism and the like; the piston rod of the main hydraulic cylinder is fixedly connected with the shearing blade, the telescopic movement of the piston rod drives the shearing blade to move, the main cylinder moving mechanism comprises a speed reducer, a chain wheel and a chain, and the main cylinder moving mechanism has the function of driving the main cylinder to stop at any position for shearing and crushing concrete.

The crusher 3 is matched with the conveying platform 2, a piston rod of the main hydraulic oil cylinder drives the shearing blade to intermittently press down, and the concrete beam 1 is crushed section by section, so that the concrete is crushed into small blocks and stripped from the reinforcing steel bars.

Then, the crushed concrete beam 1 is inputted into the roll crusher 4.

A collecting hopper of the waste output machine 5 is arranged under the working table of the rolling crusher 4, and the collecting hopper is in an inverted cone shape, so that the materials can fall down conveniently after being concentrated; and a material conveying belt is arranged below the aggregate hopper and used for outputting the aggregated materials in a centralized manner.

The utility model discloses a focus lies in, designs roll crusher 4.

The whole structure of the rolling crusher 4 is shown in fig. 3, and a workbench 41 is arranged on the rolling crusher; and a rolling device 42, a flat pressing device 43 and a rolling shear device 44 are sequentially arranged above the workbench.

The rolling device 42 includes a rolling knife, and is structurally shown in fig. 4, specifically, a rolling shaft 421, both ends of which are provided with rolling seats 422, and a rolling rotation driving device 424 is installed outside the rolling seats 422, for example, a hydraulic motor device may be used; a plurality of rolling blades 423 are arranged on the rolling shaft 421; the rolling blades 423 are arranged at intervals, and every two adjacent rolling blades 423 are in free oscillation, so that the main steel bars horizontally arranged can pass through without damage. The rolling shaft 421 is driven by the rolling rotation driving device 424 to rotate, and the rotation speed is generally controlled to be 5-15 r/min.

As shown in fig. 5, the rolling blade 423 is divided into a plurality of blades in a circumferential direction, and after rotating, it can better perform a function of crushing concrete blocks.

The rolling seat 422 is arranged in a vertically arranged sliding guide rail, and in the working process, the vertical movement and the completion of the rolling crushing function are realized by utilizing the telescopic or other forms of power moving devices of a hydraulic oil cylinder piston rod vertically arranged above, so that the crushing efficiency is improved; meanwhile, concrete blocks fixed on the reinforcing steel bars can be further crushed and peeled off from the reinforcing steel bars, the cracked concrete blocks and broken small hooping bars in the rolling process can fall into the collecting hopper of the waste output machine 5 from the gap of the workbench 41, and the crushed concrete is continuously sent out by the conveyor.

The rolling blade 423 adopts a split design to beat and crush the concrete blocks; simultaneously, the crushing device is combined with a lifting device, so that the crushing can be realized in the rolling striking process, and the crushing efficiency is improved.

The flat pressing device 43 is arranged behind the rolling device 42; the flat pressing device 43 is installed in a vertical sliding guide rail, a flat pressing expansion device such as a hydraulic oil cylinder or a power moving device in other forms is arranged above the flat pressing device 43, the vertical movement is realized through the expansion and contraction of a piston rod of the hydraulic oil cylinder, the crushing is realized through flat pressing, the rolled main steel bars and the uncut stirrup surface residues are crushed again, the concrete residues on the main steel bars and the stirrup surface are further removed, and the abrasion of the subsequent roller shear blade 443 is reduced.

Further, the main rebar and the stirrup enter the rolling shear device 44, as shown in fig. 6, the rolling shear device 44 is provided with rolling shear seats 441 on two sides, 2 rolling shear shafts 442 are vertically arranged in the rolling shear seats, and a plurality of rolling shear blades 443 are distributed on the rolling shear shafts 442; the rolling shear blades 443 on the upper and lower 2 rolling shear shafts 442 are matched up and down to form vertical shear openings; the end of the roller shear shaft 442 is provided with a driving mechanism, and 2 roller shear shafts 442 can drive the roller shear blade 443 thereon to actively rotate, so as to shear the material passing through the roller shear blade 443. A steel bar passing channel is formed between the upper and lower 2 rolling shear shafts 442 and is flush with the workbench 41, the steel bars gradually enter the steel bar passing channel, the horizontally arranged main steel bars can pass through spaces between the rolling shear blades 443 without damage, and the longitudinally arranged stirrups can be sheared and broken by the rolling shear blades 443.

After being sheared by the rolling shearing device 44, the main reinforcing steel bars are continuously conveyed to the main reinforcing steel bar shearing machine 6, and the sheared stirrup falls into the conveying hopper when leaving the rolling shearing device 44 and is continuously conveyed out along with the crushed materials.

While the preferred embodiments of the present invention have been described in detail, it will be understood by those skilled in the art that the invention is not limited to the embodiments disclosed, but is capable of numerous equivalents and substitutions without departing from the spirit of the invention, and such equivalents and substitutions are intended to be included within the scope of the invention as defined by the appended claims.

Claims (8)

1. The rolling crusher for the reinforcing steel bars in the concrete beam is characterized by comprising a workbench, wherein a rolling device is arranged on the workbench;

the rolling device is a rolling knife capable of vertically reciprocating and comprises a rolling shaft, rolling seats are arranged at two ends of the rolling shaft, and a rolling rotary driving device is arranged on the outer side of each rolling seat; the rolling shaft is driven by the rolling rotary driving device to perform rotary motion;

the rolling shaft is provided with a plurality of rolling blades;

the rolling seat is installed in a vertically arranged sliding guide rail and is connected with a vertically arranged reciprocating driving device.

2. A concrete beam inner reinforcement roller crusher as claimed in claim 1, wherein a plurality of said rolling blades are spaced apart from each other, and a gap between adjacent 2 of said rolling blades is larger than a maximum diameter of a section of a main reinforcement.

3. A concrete beam inner reinforcement roller crusher in accordance with claim 1, wherein said rolling blade is divided into a plurality of blades in a circumferential direction.

4. A concrete beam inner rebar roller crusher as claimed in claim 1 further comprising a flattening device disposed behind the rolling device.

5. A concrete beam inner reinforcement roller crusher in accordance with claim 4, wherein said flat crushing means is installed in a vertical sliding guide, and a flat crushing extension means is provided above said flat crushing means; the flat pressing device is moved up and down by a telescopic device.

6. A concrete beam inner reinforcement roller crusher as claimed in claim 4, further comprising roller shear means located behind said platen means.

7. A concrete beam inner reinforcement rolling crusher according to claim 6, wherein rolling shear seats are provided at both sides of the rolling shear device, and 2 rolling shear shafts are vertically provided in the rolling shear seats; a plurality of rolling shear blades are distributed on the rolling shear shaft; the upper and lower 2 rolling shear blades on the rolling shear shaft are matched up and down to form a vertical shear port;

the end part of each rolling shear shaft is provided with a driving mechanism, and 2 rolling shear shafts can drive the rolling shear blades on the rolling shear shafts to rotate actively.

8. A concrete beam inner rebar roller crusher as claimed in claim 1 wherein said table is a hollowed out plate.

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