CN112547752B - Method and equipment for recycling main reinforcing steel bars in concrete beam - Google Patents
Method and equipment for recycling main reinforcing steel bars in concrete beam Download PDFInfo
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- CN112547752B CN112547752B CN202011137928.6A CN202011137928A CN112547752B CN 112547752 B CN112547752 B CN 112547752B CN 202011137928 A CN202011137928 A CN 202011137928A CN 112547752 B CN112547752 B CN 112547752B
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- 239000004567 concrete Substances 0.000 title claims abstract description 82
- 229910001294 Reinforcing steel Inorganic materials 0.000 title claims abstract description 60
- 238000004064 recycling Methods 0.000 title claims abstract description 42
- 238000000034 method Methods 0.000 title claims abstract description 14
- 238000005096 rolling process Methods 0.000 claims abstract description 141
- 238000010008 shearing Methods 0.000 claims abstract description 90
- 239000002699 waste material Substances 0.000 claims abstract description 13
- 238000005520 cutting process Methods 0.000 claims abstract description 7
- 229910000831 Steel Inorganic materials 0.000 claims description 44
- 239000010959 steel Substances 0.000 claims description 44
- 238000003825 pressing Methods 0.000 claims description 33
- 239000000463 material Substances 0.000 claims description 32
- 230000003014 reinforcing effect Effects 0.000 claims description 17
- 230000002787 reinforcement Effects 0.000 claims description 12
- 239000010720 hydraulic oil Substances 0.000 claims description 8
- 238000004140 cleaning Methods 0.000 claims description 4
- 238000012423 maintenance Methods 0.000 abstract description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 239000003921 oil Substances 0.000 description 3
- 239000003638 chemical reducing agent Substances 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 239000011150 reinforced concrete Substances 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09B—DISPOSAL OF SOLID WASTE NOT OTHERWISE PROVIDED FOR
- B09B3/00—Destroying solid waste or transforming solid waste into something useful or harmless
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C21/00—Disintegrating plant with or without drying of the material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09B—DISPOSAL OF SOLID WASTE NOT OTHERWISE PROVIDED FOR
- B09B5/00—Operations not covered by a single other subclass or by a single other group in this subclass
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21F—WORKING OR PROCESSING OF METAL WIRE
- B21F11/00—Cutting wire
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C2201/00—Codes relating to disintegrating devices adapted for specific materials
- B02C2201/02—Codes relating to disintegrating devices adapted for specific materials for reinforced concrete
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- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Food Science & Technology (AREA)
- Mechanical Engineering (AREA)
- Working Measures On Existing Buildindgs (AREA)
Abstract
The invention relates to a method and a device for recycling main reinforcing steel bars in a concrete beam, wherein a crusher crushes the concrete beam firstly; then further carrying out rolling crushing by a rolling crusher, and shearing the stirrup; the crushed concrete blocks and the sheared stirrups are output in a centralized manner by a waste output machine; and finally, the cleaned main reinforcing steel bars are cut off by a main reinforcing steel bar cutting machine according to requirements, and are recycled in a centralized manner, so that the utilization rate is improved. The invention adopts automatic equipment to efficiently crush and disassemble the main reinforcing steel bars with the highest recycling value in the concrete beam, and then intensively shear the main reinforcing steel bars, thereby realizing efficient recycling and improving the recycling rate of the concrete beam. The equipment for recycling the main reinforcing steel bars in the concrete beam adopts a modular equipment design, and is convenient to manufacture and assemble and convenient and reliable in daily maintenance.
Description
Technical Field
The invention relates to an invention for crushing a concrete beam, shearing main reinforcing steel bars in the concrete beam as required and improving recycling and special equipment.
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.
In order to improve the recycling rate of the main reinforcing steel bars, it is necessary to provide a method and a special device for recycling the reinforcing steel bars in the concrete beam.
Disclosure of Invention
The invention aims to provide a method and equipment for recycling main reinforcing steel bars in a concrete beam so as to maximize the recycling value of the reinforcing steel bars.
In order to achieve the above object, according to a first aspect of the present invention, there is provided a method for recycling main reinforcements in a concrete beam, comprising the steps of:
step 1: coarse crushing; crushing the concrete beam by using a crushing and shearing blade, and stripping large concrete blocks;
step 2: rolling and crushing; removing large concrete blocks from the crushed material extruded in the step 1; then, rolling and crushing the concrete again by using a rolling device;
and step 3: flat pressing and crushing; carrying out flat pressing on the materials subjected to the rolling crushing in the step 2, pressing the stirrups subjected to the rolling crushing and the residual concrete blocks on the surfaces of the main reinforcing steel bars from the tops, and cleaning the surfaces of the stirrups and the main reinforcing steel bars;
and 4, step 4: performing round shearing on the hooped reinforcement; performing roller shearing on the crushed materials subjected to flat pressing in the step 3 along the main reinforcing steel bars, and shearing the stirrups;
and 5: shearing off the main reinforcing steel bars; shearing the main steel bars of the materials subjected to the stirrup rolling shearing in the step 4 according to the length;
step 6: outputting; and (5) outputting the main reinforcing steel bars sheared in the step (5) and recycling the main reinforcing steel bars in a centralized manner.
In a second aspect of the invention, there is provided an apparatus for recycling the main reinforcement in the concrete beam, wherein the method for recycling the main reinforcement in the concrete beam as described above is operated; the steel bar cutting machine comprises a material conveying table, a crusher, a rolling crusher, a main steel bar shearing machine and a main steel bar collecting machine;
the material conveying table, the crusher, the rolling crusher and the main steel bar shearing machine are sequentially arranged in a straight line;
the conveying platform is provided with a driving device for conveying the concrete beam to be treated to a working area;
a crushing mechanism is arranged in the crusher and is used for crushing the concrete beam to be treated;
the rolling crusher is provided with a workbench, and the workbench is flush with the conveying surface of the conveying table; the workbench is provided with a rolling device, a flat pressing device and a rolling shear device;
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 arranged in a vertical sliding guide rail, and a flat pressing telescopic device is arranged above the flat pressing device; the flat pressing device moves up and down through a telescopic device;
the rolling shear device is positioned behind the flat pressing device; the two sides of the rolling shear device are provided with rolling shear seats, 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 positioned on the rolling shear shafts to rotate actively;
a main steel bar shearing machine is arranged behind the rolling crusher, the main steel bar shearing machine is a gantry type shearing machine, the main steel bar shearing machine moves intermittently, and the main steel bars are output after being sheared in a fixed length;
the main reinforcing steel bar collector is positioned behind the main reinforcing steel bar shearing machine.
As a further improvement of the invention, a plurality of rolling blades are arranged at intervals, and the gap between every two adjacent rolling blades is larger than the maximum diameter of the section of the main reinforcing steel bar.
As a further improvement of the invention, the rolling blade is divided into a plurality of blades along the circumferential direction.
As a further improvement of the invention, the device comprises a waste output machine; the waste output machine comprises a collecting hopper and a material conveying belt;
the collecting hopper of the waste output machine is arranged right below the working platform of the rolling crusher; the working platform of the rolling crusher is a hollow plate;
the inlet of the material conveying belt is positioned below the aggregate bin; the material conveyer belt is arranged outwards.
As a further improvement of the invention, the main steel bar shearing machine comprises a feeding hole, a shearing driving device, an upper cutter holder, an upper blade, a lower cutter holder and a lower blade;
the feed inlet is positioned at the feed end of the main steel bar shearing machine and is conical;
the shearing driving device is vertically arranged, and a driving end of the shearing driving device vertically extends and retracts; an upper knife holder is connected to a moving rod of the shearing driving device, and an upper blade is fixed at the tail end of the upper knife holder; a lower cutter holder is arranged below the shearing driving device, and a lower blade is fixed on the lower cutter holder;
the upper blade is driven by the shearing driving device and the upper blade holder to move towards the lower blade, and the upper blade and the lower blade move relatively to shear to cut off the main steel bars;
the shearing drive device moves intermittently.
Furthermore, the main steel bar shearing machine further comprises a discharging plate, and the discharging plate is arranged below a lower blade of the main steel bar shearing machine.
As a further improvement of the invention, the crusher is provided with a main hydraulic cylinder and a shearing blade;
a piston rod of the main hydraulic oil cylinder is fixedly connected with the shearing blade, and the shearing blade is driven to vertically extend and retract by the extension and retraction movement of the piston rod; and a piston rod of the main hydraulic oil cylinder drives the shearing blade to intermittently press down.
Furthermore, the crusher is also provided with a main oil cylinder moving mechanism, and the main oil cylinder moving mechanism can drive the main oil cylinder to vertically move and stop at any height position.
According to the method and the equipment for recycling the main reinforcing steel bars in the concrete beam, firstly, a crusher crushes the concrete beam; then further carrying out rolling crushing by a rolling crusher, and shearing the stirrup; the crushed concrete blocks and the sheared stirrups are output in a centralized manner by a waste output machine; and finally, the cleaned main reinforcing steel bars are cut off by a main reinforcing steel bar cutting machine according to requirements, and are recycled in a centralized manner, so that the utilization rate is improved.
Compared with the prior art, the equipment for recycling the main reinforcing steel bars in the concrete beam adopts automatic equipment to efficiently crush and disassemble the main reinforcing steel bars with the highest recycling value in the concrete beam, and then intensively shear the main reinforcing steel bars, so that efficient recycling is realized, and the recycling rate of the concrete beam is improved.
The equipment for recycling the main reinforcing steel bars in the concrete beam adopts a modular equipment design, and is convenient to manufacture and assemble and convenient and reliable in daily maintenance.
Drawings
FIG. 1 is a schematic view showing the overall structure of an apparatus for recycling a main reinforcing bar in a concrete beam according to 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 view of the construction of the roll crusher of the present invention;
FIG. 4 is a schematic view of a partial structure of the rolling device according to the present invention;
FIG. 5 is a front view of the roll shearing apparatus of the present invention;
FIG. 6 is a schematic structural view of a main reinforcement bar shearing machine according to 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, a roller shear blade 443;
a feed port 61, a shearing driving device 62, an upper cutter holder 63 and an upper blade 64;
a lower knife holder 65, a lower blade 66 and a stripper plate 67.
Detailed Description
The following describes embodiments of the present invention in further detail with reference to the accompanying drawings.
The equipment for recycling the main reinforcing steel bars in the concrete beam aims at crushing the concrete of the concrete beam 1, then taking out the reinforcing steel bars, particularly cutting and cleaning the thin stirrups, reserving the thick main reinforcing steel bars, cutting off the main reinforcing steel bars as required, facilitating recycling and improving the recycling rate.
As shown in fig. 1, the overall structure of the apparatus for recycling the main reinforcement in the concrete beam according to the present invention is schematically illustrated, and the apparatus includes a material conveying table 2, a crusher 3, a roll crusher 4, a waste material output machine 5, a main reinforcement shearing machine 6, and a main reinforcement 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 input 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 structure of the roll crusher 4 is shown in fig. 3, and a workbench 41 is arranged on the roll 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 a neutral position, so that main steel bars arranged horizontally can pass through without damage. The rolling shaft 421 is driven by the rolling rotation driving device 424 to rotate, the rotating speed is generally controlled to be 5-15r/min, the rolling blade 423 is circumferentially divided into a plurality of blades, and after the rolling shaft rotates, the function of crushing concrete blocks can be better achieved.
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 telescopic device is arranged above the flat pressing device 43, such as a hydraulic oil cylinder or a power moving device in other forms, the vertical movement is realized through the extension and retraction of a piston rod of the hydraulic oil cylinder, the crushing is realized through flat pressing, the main steel bars and the remnants on the surfaces of the stirrups which are rolled are crushed again, the concrete remnants on the surfaces of the main steel bars and the stirrups are further removed, and the abrasion of a subsequent roller shear blade 443 is reduced.
Further, the main rebar and the stirrup enter the rolling shear device 44, as shown in fig. 5, 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.
As shown in fig. 6, the main rebar shearing machine 6 includes a feed port 61, a shearing driving device 62, an upper blade holder 63, an upper blade 64, a lower blade holder 65, a lower blade 66, and a stripper plate 67.
The feed inlet 61 is located at the feed end of the main steel bar shearing machine 6, the feed inlet 61 is conical, the opening of the feed end is large, and dispersed steel bars are concentrated by the conical feed inlet 61 and then input to a shearing work position.
The cutting driving device 62 is vertically arranged and can be driven by a hydraulic cylinder; an upper knife holder 63 is connected to a moving rod of the shearing driving device 62, and an upper blade 64 is fixed at the tail end of the upper knife holder; correspondingly, a lower tool apron 65 is arranged below the shearing driving device 62, a lower blade 66 is fixed on the lower tool apron 65, the upper blade 64 is driven by the shearing driving device 62 and the upper tool apron 63 to move towards the lower blade 66, the upper blade 64 and the lower blade 66 shear to cut off the main steel bars, and specifically, the shearing driving device 62 can act according to the required length of the main steel bars, so that the steel bars with the required length are obtained; during shearing, portions of the rebar slivers, particularly the stirrups that have been sheared off but remain on the main rebar, may fall further and slide out through the stripper plate 67 into a waste collection pit.
The sheared main reinforcing steel bars intensively enter the main reinforcing steel bar collecting machine 7, so that the main reinforcing steel bars are conveniently and intensively recycled.
The invention relates to a device for recycling main steel bars in a concrete beam, which comprises the following steps in the running process:
step 1: coarse crushing; crushing the concrete beam by using a crushing and shearing blade, and stripping large concrete blocks;
step 2: rolling and crushing; removing large concrete blocks from the crushed material extruded in the step 1; then, rolling and crushing the concrete again by using a rolling device;
and step 3: flat pressing and crushing; carrying out flat pressing on the materials subjected to the rolling crushing in the step 2, pressing the stirrups subjected to the rolling crushing and the residual concrete blocks on the surfaces of the main reinforcing steel bars from the tops, and cleaning the surfaces of the stirrups and the main reinforcing steel bars;
and 4, step 4: performing round shearing on the hooped reinforcement; performing roller shearing on the crushed materials subjected to flat pressing in the step 3 along the main reinforcing steel bars, and shearing the stirrups;
and 5: shearing off the main reinforcing steel bars; shearing the main steel bars of the materials subjected to the stirrup rolling shearing in the step 4 according to the length;
step 6: outputting; and (5) outputting the main reinforcing steel bars sheared in the step (5) and recycling the main reinforcing steel bars in a centralized manner.
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 various modifications and substitutions without departing from the spirit of the invention.
Claims (9)
1. The method for recycling the main reinforcing steel bars in the concrete beam is characterized by comprising the following steps of:
step 1: coarse crushing; crushing the concrete beam by using a crushing and shearing blade, and stripping large concrete blocks;
step 2: rolling and crushing; removing large concrete blocks from the crushed material extruded in the step 1; then, rolling and crushing the concrete again by using a rolling device;
and step 3: flat pressing and crushing; carrying out flat pressing on the materials subjected to the rolling crushing in the step 2, pressing the stirrups subjected to the rolling crushing and the residual concrete blocks on the surfaces of the main reinforcing steel bars from the tops, and cleaning the surfaces of the stirrups and the main reinforcing steel bars;
and 4, step 4: performing round shearing on the hooped reinforcement; performing roller shearing on the crushed materials subjected to flat pressing in the step 3 along the main reinforcing steel bars, and shearing the stirrups;
and 5: shearing off the main reinforcing steel bars; shearing the main steel bars of the materials subjected to the stirrup rolling shearing in the step 4 according to the length;
step 6: outputting; and (5) outputting the main reinforcing steel bars sheared in the step (5) and recycling the main reinforcing steel bars in a centralized manner.
2. Apparatus for recycling main reinforcement bars in a concrete beam, wherein the method of recycling main reinforcement bars in a concrete beam according to claim 1 is performed; the steel bar cutting machine comprises a material conveying table, a crusher, a rolling crusher, a main steel bar shearing machine and a main steel bar collecting machine;
the material conveying table, the crusher, the rolling crusher and the main steel bar shearing machine are sequentially arranged in a straight line;
the conveying platform is provided with a driving device for conveying the concrete beam to be treated to a working area;
a crushing mechanism is arranged in the crusher and is used for crushing the concrete beam to be treated;
the rolling crusher is provided with a workbench, and the workbench is flush with the conveying surface of the conveying table; the workbench is provided with a rolling device, a flat pressing device and a rolling shear device;
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 arranged in a vertical sliding guide rail, and a flat pressing telescopic device is arranged above the flat pressing device; the flat pressing device moves up and down through a telescopic device;
the rolling shear device is positioned behind the flat pressing device; the two sides of the rolling shear device are provided with rolling shear seats, 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 positioned on the rolling shear shafts to rotate actively;
a main steel bar shearing machine is arranged behind the rolling crusher, the main steel bar shearing machine is a gantry type shearing machine, the main steel bar shearing machine moves intermittently, and the main steel bars are output after being sheared in a fixed length;
the main reinforcing steel bar collector is positioned behind the main reinforcing steel bar shearing machine.
3. The apparatus for recycling main reinforcing bars in a concrete beam according to claim 2, 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 the main reinforcing bars.
4. An apparatus for recycling main reinforcing bars in a concrete beam according to claim 2, wherein the rolling blade is divided into a plurality of blades in a circumferential direction.
5. An apparatus for recycling main reinforcing bars in a concrete beam as recited in claim 2, including a scrap feeder; the waste output machine comprises a collecting hopper and a material conveying belt;
the collecting hopper of the waste output machine is arranged right below the working platform of the rolling crusher; the working platform of the rolling crusher is a hollow plate;
the inlet of the material conveying belt is positioned below the aggregate bin; the material conveyer belt is arranged outwards.
6. The apparatus for recycling main reinforcing bars in a concrete beam according to claim 2, wherein the main reinforcing bar shearing machine includes a feed port, a shearing driving device, an upper blade holder, an upper blade, a lower blade holder, and a lower blade;
the feed inlet is positioned at the feed end of the main steel bar shearing machine and is conical;
the shearing driving device is vertically arranged, and a driving end of the shearing driving device vertically extends and retracts; an upper knife holder is connected to a moving rod of the shearing driving device, and an upper blade is fixed at the tail end of the upper knife holder; a lower cutter holder is arranged below the shearing driving device, and a lower blade is fixed on the lower cutter holder;
the upper blade is driven by the shearing driving device and the upper blade holder to move towards the lower blade, and the upper blade and the lower blade move relatively to shear to cut off the main steel bars;
the shearing drive device moves intermittently.
7. The apparatus for recycling main reinforcing bars in a concrete beam according to claim 6, wherein the main reinforcing bar shearing machine further comprises a stripper plate disposed below a lower blade of the main reinforcing bar shearing machine.
8. An apparatus for recycling primary reinforcing bars in a concrete beam as recited in claim 2, wherein said crusher is provided with a primary hydraulic cylinder, shear blades;
a piston rod of the main hydraulic oil cylinder is fixedly connected with the shearing blade, and the shearing blade is driven to vertically extend and retract by the extension and retraction movement of the piston rod; and a piston rod of the main hydraulic oil cylinder drives the shearing blade to intermittently press down.
9. The apparatus for recycling a reinforcing bar in a concrete beam according to claim 8, wherein said crusher is further provided with a main cylinder moving mechanism for vertically moving said main cylinder and staying at an arbitrary height position.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011137928.6A CN112547752B (en) | 2020-10-22 | 2020-10-22 | Method and equipment for recycling main reinforcing steel bars in concrete beam |
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|---|---|---|---|
| CN202011137928.6A CN112547752B (en) | 2020-10-22 | 2020-10-22 | Method and equipment for recycling main reinforcing steel bars in concrete beam |
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| CN112547752B true CN112547752B (en) | 2022-04-05 |
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| CN115193885B (en) * | 2022-07-11 | 2023-06-30 | 景津装备股份有限公司 | Two-way pre-cutting and homogenizing device for large filter cakes and secondary filter cake crushing and slitter mechanism |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
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| KR101590960B1 (en) * | 2015-07-21 | 2016-02-02 | 신화환경개발 주식회사 | crushing and separating-selecting equipment for concrete cyclic aggregate |
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