CN112387335A - Intelligent static pressure crushing device for waste concrete - Google Patents
Intelligent static pressure crushing device for waste concrete Download PDFInfo
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- CN112387335A CN112387335A CN202011221393.0A CN202011221393A CN112387335A CN 112387335 A CN112387335 A CN 112387335A CN 202011221393 A CN202011221393 A CN 202011221393A CN 112387335 A CN112387335 A CN 112387335A
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- waste concrete
- crushing device
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- 230000003068 static effect Effects 0.000 title claims abstract description 64
- 239000002699 waste material Substances 0.000 title claims abstract description 45
- 238000009413 insulation Methods 0.000 claims description 7
- 230000001681 protective effect Effects 0.000 claims description 4
- 238000006073 displacement reaction Methods 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 20
- 239000000428 dust Substances 0.000 abstract description 10
- 238000004064 recycling Methods 0.000 abstract description 10
- 230000002706 hydrostatic effect Effects 0.000 description 5
- 238000010276 construction Methods 0.000 description 4
- 230000006378 damage Effects 0.000 description 3
- 238000003912 environmental pollution Methods 0.000 description 3
- 229910001294 Reinforcing steel Inorganic materials 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000003014 reinforcing effect Effects 0.000 description 2
- 239000004575 stone Substances 0.000 description 2
- 206010019233 Headaches Diseases 0.000 description 1
- 241000282414 Homo sapiens Species 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 231100000869 headache Toxicity 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000004083 survival effect Effects 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C1/00—Crushing or disintegrating by reciprocating members
- B02C1/005—Crushing or disintegrating by reciprocating members hydraulically or pneumatically operated
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C23/00—Auxiliary methods or auxiliary devices or accessories specially adapted for crushing or disintegrating not provided for in preceding groups or not specially adapted to apparatus covered by a single preceding group
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C25/00—Control arrangements specially adapted for crushing or disintegrating
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B15/00—Preventing escape of dirt or fumes from the area where they are produced; Collecting or removing dirt or fumes from that area
- B08B15/02—Preventing escape of dirt or fumes from the area where they are produced; Collecting or removing dirt or fumes from that area using chambers or hoods covering the area
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
- G10K11/00—Methods or devices for transmitting, conducting or directing sound in general; Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
- G10K11/16—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
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- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Mechanical Engineering (AREA)
- Disintegrating Or Milling (AREA)
Abstract
The invention discloses an intelligent static pressure crushing device for waste concrete, which comprises a static pressure crushing device, wherein the static pressure crushing device comprises a multi-cylinder static pressure oil cylinder (3), an oil supply device (4), a multi-point position force sensing device (2) and a controller (5) for controlling the multi-cylinder static pressure oil cylinder, and the signal output end of the multi-point position force sensing device (2) is connected with the controller (5); the output end of the controller (5) is connected with the multi-cylinder static pressure oil cylinder (3) and the oil supply device (4). The matching sound-proof and dust-proof system (9) in the process method of the invention greatly reduces the noise and dust pollution, and ensures that the noise and dust pollution in the whole waste concrete member crushing process reaches the excellent level in the national standard. Therefore, the waste concrete recycling processing factory can be built nearby, and long-distance lightering is reduced. The whole waste concrete recycling process is more environment-friendly and sustainable.
Description
Technical Field
The invention relates to the field of concrete treatment, in particular to an intelligent static pressure crushing device for waste concrete.
Background
Nowadays, the urban construction in China develops at a high speed, and with the development of the construction industry in a higher and deeper direction, the production of deep foundation pit supporting girders of subway engineering and high-rise buildings is increased day by day; only the Shanghai region is produced with over 2000 million cubic meters of waste support beams each year, and is increasing year by year at a rate of 6% to 8%. The huge number of the waste support beams of the buildings produced by 688 large and medium cities every year in China can not be estimated. If the method is not used for timely and effective treatment, the method can be randomly stacked, and the method can bring important influence which is difficult to estimate on the development of the environment and social economy in which the human beings depend for survival for a long time.
The waste support beam comprises building aggregate, cement, reinforcing steel bars and the like. After the waste support beam is crushed and processed, the building aggregate is generated into regenerated stones which can be used for producing concrete, and the waste reinforcing steel bars can be smelted into steel again. The method conforms to the policy and policy of completely recycling the construction wastes in China.
At present, China still is in a traditional crushing operation mode for waste support beams, and dozens of open-air construction sites use excavators and cannon head machines for crushing in the Shanghai. The crushing treatment of the waste supporting beam is a headache problem all the time, every time when the support beam is broken by the digging machine and the cannon head machine, the sound can be clearly heard within a few square circles polluted by sound, and the radiation range of dust pollution is very wide. Pick up reinforcing bar staff and shuttle at the broken bracing beam scene of excavator, the stone that splashes and the reinforcing bar of dragging can cause the injury to the staff, does not have the consciousness of safety in production completely. The production mode of the crushing support beam of the excavator and the gun head machine, which has the advantages of low efficiency, high cost, large occupied area, noise disturbing residents, environmental pollution and potential safety hazards, cannot meet the operation rule of the market, so that the environmental pollution problem is particularly prominent. Because the treatment mode has the problems of low efficiency, low recycling degree, high treatment cost, environmental pollution and the like, the traditional operation site on site is gradually banned.
Disclosure of Invention
The invention aims to solve the technical problem that the noise and dust pollution in the crushing of the whole waste concrete component can reach the excellent level in the national standard by matching with a sound-insulation and dust-prevention system matched in the process method. Therefore, the waste concrete recycling processing factory can be built nearby, and long-distance lightering is reduced. The whole waste concrete recycling process is more environment-friendly and sustainable.
The invention is realized by the following technical scheme: an intelligent static pressure crushing device for waste concrete comprises a static pressure crushing device, wherein the static pressure crushing device comprises a multi-cylinder static pressure oil cylinder, an oil supply device, a multi-point position force sensing device and a controller for controlling the multi-cylinder static pressure oil cylinder, and the signal output end of the multi-point position force sensing device is connected with the controller;
the output end of the controller is connected with the multi-cylinder static pressure oil cylinder and the oil supply device, and the oil supply device is controlled by the controller to adjust the oil supply amount of each oil cylinder in the multi-cylinder static pressure oil cylinder.
According to a preferable technical scheme, the multi-cylinder static pressure oil cylinder comprises at least a front oil cylinder, a middle oil cylinder and a rear oil cylinder, each oil cylinder is correspondingly provided with a multi-point position force sensing device which comprises a first force sensing device, a second force sensing device and a third force sensing device, and a controller adjusts the multi-cylinder static pressure oil cylinder according to pressure values collected by the force sensing devices, so that the three static pressure oil cylinders keep displacement coordination and pressure synchronization to form the intelligent control static pressure crushing device.
According to a preferable technical scheme, the intelligent static pressure crushing device comprises a waste concrete conveying device, the waste concrete conveying device is supported on a spring, damage to the conveying device caused by impact load when a large waste concrete beam is placed on the conveying device is prevented, and damage to the conveying device caused by deformation of the waste concrete beam when the waste concrete beam is crushed by static pressure is also prevented.
According to a preferable technical scheme, the controller is a computer, the computer controls the oil supply device, and the multi-cylinder static pressure oil cylinder is controlled through the oil supply device.
Preferably, the static pressure crushing device is provided with a belt conveyor for transporting the falling crushed concrete blocks.
Preferably, the static pressure crushing device is provided with a sound insulation and dust prevention system.
Preferably, the sound-insulation and dust-prevention system is a transparent protective cover arranged outside the whole static pressure crushing device, and a feed inlet for waste concrete members to pass through is arranged on the transparent protective cover.
The invention has the beneficial effects that: the source crushing of the invention adopts static pressure crushing, which greatly reduces noise and dust pollution, and the noise and dust pollution in the whole waste concrete member crushing can reach the excellent level in the national standard by matching with the sound-insulation and dust-prevention system matched in the process method of the invention. Therefore, the waste concrete recycling processing factory can be built nearby, and long-distance lightering is reduced. The whole waste concrete recycling process is more environment-friendly and sustainable.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic structural view of the present invention;
fig. 2 is a connection diagram of the multipoint position force sensing device, the multi-cylinder hydrostatic cylinder, the oil supply device and the control device of the present invention.
Detailed Description
All of the features disclosed in this specification, or all of the steps in any method or process so disclosed, may be combined in any combination, except combinations of features and/or steps that are mutually exclusive.
Any feature disclosed in this specification (including any accompanying claims, abstract and drawings), may be replaced by alternative features serving equivalent or similar purposes, unless expressly stated otherwise. That is, unless expressly stated otherwise, each feature is only an example of a generic series of equivalent or similar features.
In the description of the present invention, it is to be understood that the terms "one end", "the other end", "outside", "upper", "inside", "horizontal", "coaxial", "central", "end", "length", "outer end", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, should not be construed as limiting the present invention.
Further, in the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
The use of terms such as "upper," "above," "lower," "below," and the like in describing relative spatial positions herein is for the purpose of facilitating description to describe one element or feature's relationship to another element or feature as illustrated in the figures. The spatially relative positional terms may be intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "below" or "beneath" other elements or features would then be oriented "above" the other elements or features. Thus, the exemplary term "below" can encompass both an orientation of above and below. The device may be otherwise oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly
In the present invention, unless otherwise explicitly specified or limited, the terms "disposed," "sleeved," "connected," "penetrating," "plugged," and the like are to be construed broadly, e.g., as a fixed connection, a detachable connection, or an integral part; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
As shown in fig. 1, the intelligent static pressure crushing device for waste concrete of the invention comprises a static pressure crushing device, wherein the static pressure crushing device comprises a multi-cylinder static pressure oil cylinder 3, an oil supply device 4, a multi-point position force sensing device 2 and a controller 5 for controlling the multi-cylinder static pressure oil cylinder, and the signal output end of the multi-point position force sensing device 2 is connected with the controller 5; the output end of the controller 5 is connected with the multi-cylinder static pressure oil cylinder 3 and the oil supply device 4, and the oil supply device 4 is controlled by the controller 5 to adjust the oil supply amount of each oil cylinder in the multi-cylinder static pressure oil cylinder 3.
As shown in fig. 2, the multi-cylinder hydrostatic oil cylinder 3 includes at least a front oil cylinder 3.1, a middle oil cylinder 3.2, and a rear oil cylinder 3.3, and each oil cylinder is correspondingly provided with a multi-point force sensing device 2, which includes a first force sensing device 2.1, a second force sensing device 2.2, and a third force sensing device 2.3, and the controller 5 adjusts the multi-cylinder hydrostatic oil cylinders according to the pressure values collected by the force sensing devices, so that the three hydrostatic oil cylinders keep displacement coordination and pressure synchronization, thereby forming an intelligently controlled hydrostatic crushing device.
The intelligent static pressure crushing device comprises a waste concrete conveying device 6, and the waste concrete conveying device 6 is supported on a spring 7.
The controller 5 is a computer which controls the oil supply device 4, and the multi-cylinder static pressure oil cylinder 3 is controlled by the oil supply device 4. The static pressure crushing plant is provided with a belt conveyor 8 for transporting the falling crushed concrete pieces.
In this embodiment the static pressure crushing apparatus is provided with a sound and dust proofing system 9.
Wherein, the dustproof system that gives sound insulation is the transparent safety cover that sets up in whole static pressure breaker outside, is provided with the charge door that supplies useless concrete component 1 to pass the usefulness on the transparent safety cover.
The working process is as follows:
when the waste concrete member is crushed by the pressure of the multi-cylinder static pressure oil cylinders, the multi-point position force sensing device transmits force to the computer, and the computer adjusts the oil supply amount of the oil supply device to each oil cylinder in the multi-cylinder static pressure oil cylinders according to the pressure of the three point positions of the front, the middle and the rear which are identified by the multi-point position force sensing device, so that the pressure of the front, the middle and the rear oil cylinders is adjusted, and the purpose of comprehensively crushing the waste concrete member is achieved through continuous real-time feedback.
The invention has the beneficial effects that: the source crushing of the invention adopts static pressure crushing, which greatly reduces noise and dust pollution, and the noise and dust pollution in the whole waste concrete member crushing can reach the excellent level in the national standard by matching with the sound-insulation and dust-prevention system matched in the process method of the invention. Therefore, the waste concrete recycling processing factory can be built nearby, and long-distance lightering is reduced. The whole waste concrete recycling process is more environment-friendly and sustainable.
The above description is only an embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that are not thought of through the inventive work should be included in the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope defined by the claims.
Claims (7)
1. The utility model provides a useless concrete intelligence static pressure breaker which characterized in that: the device comprises a static pressure crushing device, wherein the static pressure crushing device comprises a multi-cylinder static pressure oil cylinder (3), an oil supply device (4), a multi-point position force sensing device (2) and a controller (5) for controlling the multi-cylinder static pressure oil cylinder, and the signal output end of the multi-point position force sensing device (2) is connected with the controller (5);
the output end of the controller (5) is connected with the multi-cylinder static pressure oil cylinder (3) and the oil supply device (4), and the oil supply amount of each oil cylinder in the multi-cylinder static pressure oil cylinder (3) is adjusted by controlling the oil supply device (4) through the controller (5).
2. The intelligent static pressure crushing device for waste concrete according to claim 1, characterized in that: the multi-cylinder static pressure oil cylinder (3) comprises at least a front oil cylinder (3.1), a middle oil cylinder (3.2) and a rear oil cylinder (3.3), each oil cylinder is correspondingly provided with a multi-point position force sensing device (2) which comprises a first force sensing device (2.1), a second force sensing device (2.2) and a third force sensing device (2.3), and a controller (5) adjusts the multi-cylinder static pressure oil cylinders according to pressure values collected by the force sensing devices to enable the three static pressure oil cylinders to keep displacement coordination and pressure synchronization, so that the intelligent control static pressure crushing device is formed.
3. The intelligent static pressure crushing device for waste concrete according to claim 1, characterized in that: the intelligent static pressure crushing device comprises a waste concrete conveying device (6), and the waste concrete conveying device (6) is supported on a spring (7).
4. The intelligent static pressure crushing device for waste concrete according to claim 1, characterized in that: the controller (5) is a computer, the computer controls the oil supply device (4), and the multi-cylinder static pressure oil cylinder (3) is controlled through the oil supply device (4).
5. The intelligent static pressure crushing device for waste concrete according to claim 1, characterized in that: the static pressure crushing device is provided with a belt conveyor (8) for transporting the falling crushed concrete blocks.
6. The intelligent static pressure crushing device for waste concrete according to claim 1, characterized in that: the static pressure crushing device is provided with a sound-proof and dust-proof system (9).
7. The intelligent static pressure crushing device for waste concrete according to claim 6, wherein: the sound-insulation and dust-proof system is a transparent protective cover arranged outside the whole static pressure crushing device, and a feed inlet for the waste concrete component (1) to pass through is arranged on the transparent protective cover.
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CN202011221393.0A CN112387335A (en) | 2020-11-05 | 2020-11-05 | Intelligent static pressure crushing device for waste concrete |
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CN202011221393.0A CN112387335A (en) | 2020-11-05 | 2020-11-05 | Intelligent static pressure crushing device for waste concrete |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN114588960A (en) * | 2022-01-21 | 2022-06-07 | 砼环(上海)科技环保设备有限公司 | Crushing device for large waste reinforced concrete strip-shaped component |
Citations (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN86108883A (en) * | 1985-12-30 | 1987-08-12 | 霍尔比戈液压有限公司 | The synchronizing controls of multi-hydraulic-cylinder transmission |
JPH0465131U (en) * | 1990-10-18 | 1992-06-05 | ||
KR20090128826A (en) * | 2008-06-11 | 2009-12-16 | 주식회사 신일기초 | Crush apparatus and method for disuse top part |
US20110068206A1 (en) * | 2008-08-06 | 2011-03-24 | Manabu Kondou | Crusher for crushing a silicon lump, and silicon lump crushing apparatus having a plurality of crushers |
CN104149384A (en) * | 2014-08-20 | 2014-11-19 | 南通华德锻压机床有限公司 | Four-column hydraulic press |
CN204093490U (en) * | 2014-09-04 | 2015-01-14 | 湖南山拓机械制造有限公司 | A kind of novel horizontal static pressure disintegrating machine |
CN206304874U (en) * | 2016-12-20 | 2017-07-07 | 天津地德利土壤修复科技有限责任公司 | A kind of full-automatic anti-caking chemical fertilizer screening plant |
CN108844680A (en) * | 2018-03-29 | 2018-11-20 | 温康纳(常州)机械制造有限公司 | A kind of presser motion balance detecting device and its detection method |
CN109130297A (en) * | 2018-09-28 | 2019-01-04 | 南通市腾达锻压机床厂 | The servo-control system of automobile longitudinal girder multi-cylinder multicolumn hydraulic press |
CN109572035A (en) * | 2019-01-16 | 2019-04-05 | 南京迪威尔高端制造股份有限公司 | A kind of large size stamp forging hydraulic press moved cross beam inclination deviation-rectifying system and method |
CN111744587A (en) * | 2020-06-28 | 2020-10-09 | 台州四强新型建材有限公司 | Raw material classification device of recycled concrete |
-
2020
- 2020-11-05 CN CN202011221393.0A patent/CN112387335A/en active Pending
Patent Citations (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN86108883A (en) * | 1985-12-30 | 1987-08-12 | 霍尔比戈液压有限公司 | The synchronizing controls of multi-hydraulic-cylinder transmission |
JPH0465131U (en) * | 1990-10-18 | 1992-06-05 | ||
KR20090128826A (en) * | 2008-06-11 | 2009-12-16 | 주식회사 신일기초 | Crush apparatus and method for disuse top part |
US20110068206A1 (en) * | 2008-08-06 | 2011-03-24 | Manabu Kondou | Crusher for crushing a silicon lump, and silicon lump crushing apparatus having a plurality of crushers |
CN104149384A (en) * | 2014-08-20 | 2014-11-19 | 南通华德锻压机床有限公司 | Four-column hydraulic press |
CN204093490U (en) * | 2014-09-04 | 2015-01-14 | 湖南山拓机械制造有限公司 | A kind of novel horizontal static pressure disintegrating machine |
CN206304874U (en) * | 2016-12-20 | 2017-07-07 | 天津地德利土壤修复科技有限责任公司 | A kind of full-automatic anti-caking chemical fertilizer screening plant |
CN108844680A (en) * | 2018-03-29 | 2018-11-20 | 温康纳(常州)机械制造有限公司 | A kind of presser motion balance detecting device and its detection method |
CN109130297A (en) * | 2018-09-28 | 2019-01-04 | 南通市腾达锻压机床厂 | The servo-control system of automobile longitudinal girder multi-cylinder multicolumn hydraulic press |
CN109572035A (en) * | 2019-01-16 | 2019-04-05 | 南京迪威尔高端制造股份有限公司 | A kind of large size stamp forging hydraulic press moved cross beam inclination deviation-rectifying system and method |
CN111744587A (en) * | 2020-06-28 | 2020-10-09 | 台州四强新型建材有限公司 | Raw material classification device of recycled concrete |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN114588960A (en) * | 2022-01-21 | 2022-06-07 | 砼环(上海)科技环保设备有限公司 | Crushing device for large waste reinforced concrete strip-shaped component |
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Application publication date: 20210223 |