CN211755442U - Building rubbish breaker for building engineering - Google Patents

Building rubbish breaker for building engineering Download PDF

Info

Publication number
CN211755442U
CN211755442U CN202020294208.XU CN202020294208U CN211755442U CN 211755442 U CN211755442 U CN 211755442U CN 202020294208 U CN202020294208 U CN 202020294208U CN 211755442 U CN211755442 U CN 211755442U
Authority
CN
China
Prior art keywords
crushing
machine body
rod
feeding
transmission group
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN202020294208.XU
Other languages
Chinese (zh)
Inventor
刘晓辉
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Henan Technical College of Construction
Original Assignee
Henan Technical College of Construction
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Henan Technical College of Construction filed Critical Henan Technical College of Construction
Priority to CN202020294208.XU priority Critical patent/CN211755442U/en
Application granted granted Critical
Publication of CN211755442U publication Critical patent/CN211755442U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Landscapes

  • Disintegrating Or Milling (AREA)

Abstract

The utility model relates to the technical field of construction machinery, in particular to a construction waste crushing device for construction engineering, which drives a feeding shaft to rotate through a feeding motor, so that a coarse crushing tooth and a conveying auger rotate, the coarse crushing tooth primarily crushes construction waste, the volume of the construction waste is reduced, the construction waste is convenient to feed, the conveying auger conveys the primarily crushed construction waste into a machine body, and the conveying feeding is adopted, so that the blockage of a feeding port is effectively prevented, and the normal use of the device is influenced; the crushing mechanism further crushes the construction waste to promote the waste to be crushed into small pieces, so that the crushing uniformity of the waste is improved; the guide plate shakes during the process of the vibrator, so that the falling speed of the construction waste is accelerated, the working efficiency of the device is improved, and the crushing time is saved; the guide mechanism makes building rubbish fall to crushing mechanism middle part, and supplementary crushing mechanism work effectively pulverizes building rubbish, makes the broken more thorough of building rubbish, saves secondary crushing's process, saves broken time, improves work efficiency.

Description

Building rubbish breaker for building engineering
Technical Field
The utility model relates to a construction machinery technical field, concretely relates to building rubbish breaker for building engineering.
Background
The construction engineering major is mainly responsible for teaching and management of the civil engineering major construction engineering direction. The basic theory and the basic knowledge of engineering mechanics, soil mechanics, surveying, building construction and structural engineering subjects are mainly developed and mastered. It is a general term for various buildings and engineering facilities providing material and technical foundation for human life and production.
The construction waste refers to the general name of dregs, waste concrete, waste bricks and stones and other wastes produced by people in the production activities of the construction industry such as demolition, construction, decoration and repair. The construction waste can be classified into engineering residue soil, decoration waste, demolition waste, engineering slurry and the like according to the production source; the construction waste can be classified into slag, concrete blocks, broken stone blocks, broken bricks and tiles, waste mortar, slurry, asphalt blocks, waste plastics, waste metals, waste bamboo and wood and the like according to the composition.
In order to conveniently treat the construction waste, the construction waste needs to be crushed, but when the construction waste is crushed, the conventional construction waste crushing device is easy to block a feed port, so that the normal operation of the construction waste crushing device is influenced; and the existing construction waste crushing device is not thorough in crushing, secondary crushing is carried out on the construction waste, and the working efficiency is influenced.
SUMMERY OF THE UTILITY MODEL
To the above shortcoming that prior art exists, the utility model provides a building rubbish breaker for building engineering can overcome prior art present building rubbish breaker when carrying out the building rubbish breakage effectively, easily makes the feed inlet block up, influences building rubbish breaker's normal operating's problem, has still solved present building rubbish breaker breakage thoroughly, carries out the secondary breakage to building rubbish, influences work efficiency's problem.
In order to achieve the above purpose, the utility model discloses a following technical scheme realizes:
a construction waste crushing device for construction engineering comprises a machine body; the feeding mechanism is arranged at the upper end of the machine body, the crushing mechanism, the material guiding mechanism and the crushing mechanism are arranged in the machine body from top to bottom, the discharging pipe is arranged at the lower end of the machine body, the supporting legs are arranged at four corners of the lower end of the machine body, the feeding mechanism is matched with the crushing mechanism, and the material guiding mechanism is matched with the crushing mechanism;
the feeding mechanism comprises a feeding barrel, a motor cover, a feeding motor and a feeding shaft, wherein the feeding port is formed in the right side of the upper end of the feeding barrel, the discharging port is formed in the left side of the lower end of the feeding barrel, the discharging port is communicated with the machine body, the motor cover is fixedly connected to the right end of the feeding barrel, the feeding motor is arranged inside the motor cover, the output end of the feeding motor is connected with the feeding shaft, and the left end of the feeding shaft penetrates into the feeding barrel and is connected with the feeding barrel in.
Furthermore, the right side of the feeding shaft is provided with a coarse crushing tooth, the left side of the feeding shaft is provided with a conveying auger, and the conveying auger extends to the position above the discharge port.
Furthermore, crushing mechanism is including rotating motor, transmission group, No. two transmission groups, a crushing pole, No. two crushing poles and crushing roller, a crushing pole is located the inside left side of organism, No. two crushing poles are located the inside right side of organism, a crushing pole and No. two crushing pole front ends rotate with the organism and are connected, and the organism is worn out in the rear end ranging back, and equal rigid coupling has the crushing roller on a crushing pole and No. two crushing poles, a crushing pole rear end ranging back has No. two transmission groups, a transmission group and rotates the motor in proper order the rigid coupling, rotate the motor and install in the organism rear end, the vertical setting of a transmission group, a transmission group downside is connected with crushing mechanism, No. two transmission groups transversely set up to with No. two crushing pole rear end rigid couplings.
Furthermore, grind the mechanism and include one and grind garrulous pole, No. two and grind garrulous pole, grind garrulous roller and No. three transmission groups, a grinding pole is located the inside left side of organism, No. two grinding poles are located the inside right side of organism, a grinding pole and No. two grinding pole front ends rotate with the organism to be connected, and the organism is worn out to the rear end, and equal rigid coupling has a grinding roller on grinding pole and the No. two grinding poles, a grinding pole rear end rigid coupling has No. three transmission groups and a transmission group, No. three transmission groups transversely set up to be located a transmission group front side, No. three transmission group right sides and No. two grinding pole rear end rigid couplings.
Furthermore, the guide mechanism comprises a hinged seat, a fixed seat, a vibrator and a guide plate, the outer side of the hinged seat is fixedly connected with the machine body, the inner side of the hinged seat is hinged with the guide plate, the outer side of the fixed seat is fixedly connected with the machine body, the fixed seat is positioned below the hinged seat, the vibrator is installed on the inner side of the fixed seat, the inner side of the vibrator is hinged with the middle of the lower end of the guide plate, the joint of the guide plate and the hinged seat is a high end, and the lower end of the guide plate is obliquely arranged.
Furthermore, the equal rigid coupling of lower extreme has the installation piece on the inside left and right sides of organism, the inboard rigid coupling of installation piece has the mounting panel, the mounting panel cooperatees with crushing mechanism, crushing mechanism.
Adopt the utility model provides a technical scheme compares with known public technique, has following beneficial effect:
the utility model discloses a pour building rubbish into a feeding section of thick bamboo from the feed inlet, the pay-off axle rotates, drives coarse crushing tooth and carries auger rotation, and coarse crushing tooth carries out preliminary crushing with building rubbish, improves building rubbish crushing efficiency, reduces building rubbish volume and conveniently feeds, carries auger and carries the building rubbish after preliminary crushing to the organism in, adopts to carry the feeding, prevents effectively that the feed inlet from blockking up, influences the normal use of device; the crushing mechanism further crushes the construction waste to promote the waste to be crushed into small pieces, so that the crushing uniformity of the waste is improved; the guide plate shakes during the process of the vibrator, so that the falling speed of the construction waste is accelerated, the working efficiency of the device is improved, and the crushing time is saved; the guide mechanism makes building rubbish fall to crushing mechanism middle part, and supplementary crushing mechanism work effectively pulverizes building rubbish, makes the broken more thorough of building rubbish, saves secondary crushing's process, saves broken time, improves work efficiency.
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 invention, and that for a person skilled in the art, other drawings can be derived from them without inventive effort.
Fig. 1 is a schematic view of the structure of the present invention;
fig. 2 is a schematic top view of the crushing mechanism of the present invention;
FIG. 3 is a schematic top view of the crushing mechanism of the present invention;
fig. 4 is a rear view structure diagram of the machine body of the present invention;
the reference numerals in the drawings denote: 1-machine body, 101-discharge pipe, 102-mounting block, 103-mounting plate, 2-feeding mechanism, 201-feeding cylinder, 202-motor cover, 203-feeding motor, 204-feeding shaft, 205-feeding inlet, 206-discharging outlet, 207-coarse crushing tooth, 208-conveying auger, 3-crushing mechanism, 301-rotating motor, 302-first transmission group, 303-second transmission group, 304-first crushing rod, 305-second crushing rod, 306-crushing roller, 4-material guide mechanism, 401-hinged seat, 402-fixed seat, 403-vibrator, 404-material guide plate, 5-crushing mechanism, 501-first crushing rod, 502-second crushing rod, 503-crushing roller, 504-third transmission group, 6-support legs.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings in the embodiments of the present invention are combined below to clearly and completely describe the technical solutions in the embodiments of the present invention. It is to be understood that the embodiments described are only some of the embodiments of the present invention, and not all of them. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
The present invention will be further described with reference to the following examples.
Referring to fig. 1 to 4, the construction waste crushing device for construction engineering of the present embodiment includes a machine body 1; the upper end of the machine body 1 is provided with a feeding mechanism 2, the interior of the machine body 1 is provided with a crushing mechanism 3, a material guiding mechanism 4 and a crushing mechanism 5 from top to bottom, specifically, the upper end and the lower end of the left side and the right side of the interior of the machine body 1 are fixedly connected with mounting blocks 102, the inner sides of the mounting blocks 102 are fixedly connected with mounting plates 103, and the mounting plates 103 are matched with the crushing mechanism 3 and the crushing mechanism 5. The lower end of the machine body 1 is provided with a discharge pipe 101, four corners of the lower end of the machine body 1 are provided with supporting legs 6, the feeding mechanism 2 is matched with the crushing mechanism 3, and the guide mechanism 4 is matched with the crushing mechanism 5.
Specifically, referring to fig. 1, the feeding mechanism 2 includes a feeding cylinder 201, a motor cover 202, a feeding motor 203 and a feeding shaft 204, a feeding port 205 is arranged on the right side of the upper end of the feeding cylinder 201, a discharging port 206 is arranged on the left side of the lower end of the feeding cylinder, the discharging port 206 is communicated with the machine body 1, the motor cover 202 is fixedly connected to the right end of the feeding cylinder 201, the feeding motor 203 is arranged inside the motor cover 202, the output end of the feeding motor 203 is connected with the feeding shaft 204, and the left end of the feeding shaft 204 penetrates into the feeding cylinder 201 and. The right side of the feeding shaft 204 is provided with a rough crushing tooth 207, the left side is provided with a conveying auger 208, and the conveying auger 208 extends to the upper part of the discharge hole 206.
Specifically, referring to fig. 1, 2 and 4, the crushing mechanism 3 includes a rotating motor 301, a first transmission group 302, a second transmission group 303, a first crushing rod 304, a second crushing rod 305 and crushing rollers 306, the first crushing rod 304 is located on the left side inside the machine body 1, the second crushing rod 305 is located on the right side inside the machine body 1, the front ends of the first crushing rod 304 and the second crushing rod 305 are rotatably connected with the machine body 1, the rear ends of the first crushing rod 304 and the second crushing rod 305 extend backwards to penetrate out of the machine body 1, the crushing rollers 306 are fixedly connected to the first crushing rod 304 and the second crushing rod 305, the rear end of the first crushing rod 304 extends backwards to be fixedly connected with the second transmission group 303, the first transmission group 302 and the rotating motor 301 in sequence, the rotating motor 301 is installed at the rear end of the machine body 1, the first transmission group 302 is vertically arranged, the crushing mechanism 5 is connected to the lower side of the first transmission group 302, the second transmission group 303 is transversely arranged and fixedly connected with the rear end.
Specifically, referring to fig. 1, 3 and 4, the grinding mechanism 5 includes a first grinding rod 501, a second grinding rod 502, a grinding roller 503 and a third transmission group 504, the first grinding rod 501 is located on the left side inside the machine body 1, the second grinding rod 502 is located on the right side inside the machine body 1, the front ends of the first grinding rod 501 and the second grinding rod 502 are rotatably connected with the machine body 1, the rear ends of the first grinding rod 501 and the second grinding rod 502 penetrate out of the machine body 1, the grinding roller 503 is fixedly connected to the first grinding rod 501 and the second grinding rod 502, the rear end of the first grinding rod 501 is fixedly connected with the third transmission group 504 and the first transmission group 302, the third transmission group 504 is transversely arranged and located on the front side of the first transmission group 302, and the right side of the third transmission group 504 is fixedly connected with the rear end of the second grinding rod 502.
Specifically, referring to fig. 1, the material guiding mechanism 4 includes an articulated seat 401, a fixed seat 402, a vibrator 403 and a material guiding plate 404, the outer side of the articulated seat 401 is fixedly connected with the machine body 1, the inner side of the articulated seat is articulated with the material guiding plate 404, the outer side of the fixed seat 402 is fixedly connected with the machine body 1, the fixed seat 402 is located below the articulated seat 401, the vibrator 403 is installed on the inner side of the fixed seat 402, the inner side of the vibrator 403 is articulated with the middle part of the lower end of the material guiding plate 404, the joint of the material guiding plate 404 and the articulated seat 401 is a high end.
It should be noted that the types of the feeding motor 203 and the rotating motor 301 used in this embodiment are Y90L-2, Y100L2, or other motors with the same function, and the structure and principle of the feeding motor and the rotating motor are not changed at all, so that no further description is provided in this specification.
Referring to fig. 1 to 4, when the construction waste crusher is used, firstly, construction waste is poured into a feeding cylinder 201 from a feeding hole 205, a feeding motor 203 is started to rotate a feeding shaft 204, a coarse crushing tooth 207 and a conveying auger 208 are driven to rotate, the construction waste is subjected to preliminary crushing by the coarse crushing tooth 207, and the construction waste subjected to preliminary crushing is conveyed into a machine body 1 by the conveying auger 208; the rotating motor 301 rotates to drive the first transmission group 302 and the second transmission group 303, the first crushing rod 304 and the second crushing rod 305 rotate to drive the crushing roller 306 to rotate, and the crushing roller 306 re-crushes the initially crushed construction waste; the re-crushed construction waste falls on the material guide plate 404, the vibrator 403 works to accelerate the construction waste on the material guide plate 404 to fall, and the material guide plate 404 guides the construction waste to fall in the middle of the crushing mechanism 5; the first transmission set 302 drives the first grinding rod 501 to rotate, and the third transmission set 504 drives the second grinding rod 502 to rotate, so that the grinding rollers 503 rotate to grind the construction waste falling between the grinding rollers 503; the building rubbish after crushing falls into organism 1 bottom, exports to the organism 1 outside through discharging pipe 101.
The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.

Claims (6)

1. A construction waste crushing device for construction engineering comprises a machine body (1); the machine is characterized in that a feeding mechanism (2) is arranged at the upper end of the machine body (1), a crushing mechanism (3), a material guiding mechanism (4) and a crushing mechanism (5) are arranged in the machine body (1) from top to bottom, a discharging pipe (101) is arranged at the lower end of the machine body (1), supporting legs (6) are arranged at four corners of the lower end of the machine body (1), the feeding mechanism (2) is matched with the crushing mechanism (3), and the material guiding mechanism (4) is matched with the crushing mechanism (5);
feeding mechanism (2) are including a feeding section of thick bamboo (201), motor cover (202), feeding motor (203) and pay-off axle (204), feeding section of thick bamboo (201) upper end right side is provided with feed inlet (205), and the lower extreme left side is provided with discharge gate (206), discharge gate (206) and organism (1) switch-on, feeding section of thick bamboo (201) right-hand member rigid coupling has motor cover (202), inside feeding motor (203) that is provided with of motor cover (202), feeding motor (203) output is connected with pay-off axle (204), pay-off axle (204) left end penetrates feeding section of thick bamboo (201) to rotate with feeding section of thick bamboo (201) and be connected.
2. The construction waste crushing device for the construction engineering as claimed in claim 1, wherein the feeding shaft (204) is provided with a coarse crushing tooth (207) at the right side and a conveying auger (208) at the left side, and the conveying auger (208) extends to the position above the discharge port (206).
3. The construction waste crushing device for the building engineering according to claim 1, wherein the crushing mechanism (3) comprises a rotating motor (301), a first transmission group (302), a second transmission group (303), a first crushing rod (304), a second crushing rod (305) and crushing rollers (306), the first crushing rod (304) is located on the left side inside the machine body (1), the second crushing rod (305) is located on the right side inside the machine body (1), the front ends of the first crushing rod (304) and the second crushing rod (305) are rotatably connected with the machine body (1), the rear ends of the first crushing rod (304) and the second crushing rod (305) extend backwards to penetrate out of the machine body (1), the crushing rollers (306) are fixedly connected to the first crushing rod (304) and the second crushing rod (305), the rear end of the first crushing rod (304) extends backwards to be fixedly connected with the second transmission group (303), the first transmission group (302) and the rotating motor (301) in sequence, the rotating motor (301) is installed at the rear end of the machine body (1), the first transmission group (302) is vertically arranged, the lower side of the first transmission group (302) is connected with the crushing mechanism (5), and the second transmission group (303) is transversely arranged and fixedly connected with the rear end of the second crushing rod (305).
4. The construction waste crushing device for the construction engineering according to claim 3, the grinding mechanism (5) comprises a first grinding rod (501), a second grinding rod (502), a grinding roller (503) and a third transmission group (504), the first grinding rod (501) is positioned at the left side inside the machine body (1), the second grinding rod (502) is positioned at the right side inside the machine body (1), the front ends of the first crushing rod (501) and the second crushing rod (502) are rotatably connected with the machine body (1), the rear ends of the first crushing rod and the second crushing rod penetrate out of the machine body (1), the first crushing rod (501) and the second crushing rod (502) are fixedly connected with crushing rollers (503), the rear end of the first grinding rod (501) is fixedly connected with a third transmission group (504) and a first transmission group (302), the third transmission group (504) is transversely arranged, and is positioned at the front side of the first transmission group (302), and the right side of the third transmission group (504) is fixedly connected with the rear end of the second crushing rod (502).
5. The construction waste crushing device for the building engineering as recited in claim 1, wherein the material guiding mechanism (4) comprises a hinged seat (401), a fixed seat (402), a vibrator (403) and a material guiding plate (404), the outer side of the hinged seat (401) is fixedly connected with the machine body (1), the inner side of the hinged seat is hinged with the material guiding plate (404), the outer side of the fixed seat (402) is fixedly connected with the machine body (1), the fixed seat (402) is located below the hinged seat (401), the vibrator (403) is installed on the inner side of the fixed seat (402), the inner side of the vibrator (403) is hinged with the middle of the lower end of the material guiding plate (404), the joint of the material guiding plate (404) and the hinged seat (401) is a high end, and the lower end of the material guiding plate (404) is inclined toward the middle of the machine.
6. The construction waste crushing device for the building engineering according to claim 1, wherein the machine body (1) is fixedly connected with mounting blocks (102) at the upper and lower ends of the left and right sides inside, a mounting plate (103) is fixedly connected to the inner side of each mounting block (102), and the mounting plate (103) is matched with the crushing mechanism (3) and the crushing mechanism (5).
CN202020294208.XU 2020-03-11 2020-03-11 Building rubbish breaker for building engineering Expired - Fee Related CN211755442U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202020294208.XU CN211755442U (en) 2020-03-11 2020-03-11 Building rubbish breaker for building engineering

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202020294208.XU CN211755442U (en) 2020-03-11 2020-03-11 Building rubbish breaker for building engineering

Publications (1)

Publication Number Publication Date
CN211755442U true CN211755442U (en) 2020-10-27

Family

ID=72939582

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202020294208.XU Expired - Fee Related CN211755442U (en) 2020-03-11 2020-03-11 Building rubbish breaker for building engineering

Country Status (1)

Country Link
CN (1) CN211755442U (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112456841A (en) * 2020-11-18 2021-03-09 南京研塑环保科技有限公司 Method for recycling and reusing building solid waste
CN112570281A (en) * 2020-11-26 2021-03-30 陈益 Concrete aggregate production is with hierarchical screening installation
CN113244996A (en) * 2020-10-31 2021-08-13 东海县晶明照明电器有限公司 Waste collecting device is used in production of carbon fiber heating pipe
CN113926534A (en) * 2021-09-03 2022-01-14 河北地质大学 Construction waste treatment device for engineering construction and treatment method thereof

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113244996A (en) * 2020-10-31 2021-08-13 东海县晶明照明电器有限公司 Waste collecting device is used in production of carbon fiber heating pipe
CN112456841A (en) * 2020-11-18 2021-03-09 南京研塑环保科技有限公司 Method for recycling and reusing building solid waste
CN112456841B (en) * 2020-11-18 2022-02-22 上海闸航路基材料有限公司 Method for recycling and reusing building solid waste
CN112570281A (en) * 2020-11-26 2021-03-30 陈益 Concrete aggregate production is with hierarchical screening installation
CN112570281B (en) * 2020-11-26 2022-06-21 利川市中远商砼有限责任公司 Concrete aggregate production is with hierarchical screening installation
CN113926534A (en) * 2021-09-03 2022-01-14 河北地质大学 Construction waste treatment device for engineering construction and treatment method thereof

Similar Documents

Publication Publication Date Title
CN211755442U (en) Building rubbish breaker for building engineering
CN110898912B (en) Construction is with useless reducing mechanism admittedly
CN211613026U (en) Building rubbish brick shredding device
CN213966794U (en) Secondary crushing equipment for waste concrete slag
CN212018899U (en) Building rubbish sorting device for building
CN211755383U (en) Construction waste treatment device
CN217368555U (en) Building rubbish shredding device
CN214765773U (en) Novel construction waste treatment device
CN215197452U (en) Building rubbish breaker for building engineering
CN214599341U (en) Civil engineering construction waste smashes recovery processing device
CN210752841U (en) Energy-saving building waste cyclic utilization device
CN214553910U (en) Ground and for foundation engineering refuse treatment device
CN214864239U (en) Building rubbish reducing mechanism
CN213590590U (en) Construction waste treatment device convenient to use
CN212524249U (en) Be used for building rubbish to retrieve cracker
CN213644260U (en) Concrete shredding device is used in civil engineering construction
CN210097783U (en) Building waste recycling device
CN113509970A (en) A building rubbish recycle device for in construction
CN213254784U (en) Building waste retrieves and reprocesses milling device for brickmaking equipment
CN207996699U (en) A kind of building waste comprehensive treatment equipment
CN219377367U (en) Building rubbish sorting unit
CN218314385U (en) Mixed loading attachment of regeneration environment-friendly mortar production
CN213669753U (en) Building waste environmental protection utilizes device
CN214515139U (en) Building site rubbish recovery unit
CN217221825U (en) Garbage crushing device for building

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20201027

Termination date: 20210311