CN115351047A - Construction waste treatment method and device - Google Patents
Construction waste treatment method and device Download PDFInfo
- Publication number
- CN115351047A CN115351047A CN202211119169.XA CN202211119169A CN115351047A CN 115351047 A CN115351047 A CN 115351047A CN 202211119169 A CN202211119169 A CN 202211119169A CN 115351047 A CN115351047 A CN 115351047A
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- Prior art keywords
- crushing
- construction waste
- platform
- threaded
- fixing
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- 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.)
- Pending
Links
- 238000010276 construction Methods 0.000 title claims abstract description 40
- 239000002699 waste material Substances 0.000 title claims abstract description 40
- 238000000034 method Methods 0.000 title claims abstract description 12
- 230000000087 stabilizing effect Effects 0.000 claims abstract description 9
- 239000004575 stone Substances 0.000 claims description 17
- 230000001681 protective effect Effects 0.000 claims description 9
- 230000005540 biological transmission Effects 0.000 claims description 6
- 239000000463 material Substances 0.000 claims description 6
- 239000000126 substance Substances 0.000 claims description 6
- 239000011449 brick Substances 0.000 claims description 3
- 239000004579 marble Substances 0.000 claims description 3
- 239000000203 mixture Substances 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 238000012545 processing Methods 0.000 claims description 3
- 230000008929 regeneration Effects 0.000 claims description 3
- 238000011069 regeneration method Methods 0.000 claims description 3
- 239000004576 sand Substances 0.000 claims description 3
- 230000001131 transforming effect Effects 0.000 claims description 3
- 230000000694 effects Effects 0.000 claims 1
- 238000009434 installation Methods 0.000 abstract description 14
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000013461 design Methods 0.000 abstract description 2
- 238000010298 pulverizing process Methods 0.000 description 11
- 238000003780 insertion Methods 0.000 description 4
- 230000037431 insertion Effects 0.000 description 4
- 238000011161 development Methods 0.000 description 2
- 230000018109 developmental process Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
-
- 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
- B09B3/30—Destroying solid waste or transforming solid waste into something useful or harmless involving mechanical treatment
- B09B3/35—Shredding, crushing or cutting
-
- 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
- B09B3/30—Destroying solid waste or transforming solid waste into something useful or harmless involving mechanical treatment
-
- 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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/58—Construction or demolition [C&D] waste
Landscapes
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Crushing And Grinding (AREA)
Abstract
The invention discloses a construction waste treatment method and a device, comprising a base, sliding columns and a crushing table, wherein the top of the base is rotatably provided with a threaded rod, the top of the base is provided with symmetrically distributed fixing columns, the upper parts of the inner side surfaces of the two fixing columns are provided with fixing plates, the top of each fixing plate is provided with a motor support, and the top of each motor support is provided with a servo motor; the invention has the beneficial effects that: through the stabilizing mean of design, when smashing the platform installation, take up and smash the platform and insert along the stopper of injecing, increase the injecing when smashing the platform installation, rotate the screw thread post, utilize the rotation of screw thread post to drive to support the board and support at smashing a side surface, stabilize crushing platform, the quick installation of smashing the platform has been realized, damage when smashing the platform, when the platform dismantlement needs to be smashed, rotate the screw thread post, utilize the rotation of screw thread post to drive to support the board and break away from smashing a side surface, can dismantle crushing platform.
Description
Technical Field
The invention belongs to the technical field of construction waste treatment, and particularly relates to a construction waste treatment method and device.
Background
The construction waste occupies a large amount of vacant land for storage, pollutes the environment and wastes cultivated land, and becomes a big public nuisance in cities, and various theories and experiments show that the construction waste garbage recycling technology has good development prospect and is a great trend for the development of the construction industry in the future.
The application number is CN 201921812690.5's a remove building stones rubbing crusher, this patent discloses that the standing groove has been seted up at the top of slip post, and fixed mounting has crushing platform in the standing groove, and crushing groove has been seted up at the top of crushing platform, and smashes the bench and install the baffle, and crushing groove is used for placing the building stones.
When construction waste handled through building stones rubbing crusher, crushing platform's lower part fixed mounting was in the standing groove of slip post, when having crushing platform and damaging, dismantled the inconvenient problem of change.
Disclosure of Invention
The invention aims to provide a construction waste treatment method and a construction waste treatment device, which can realize the quick assembly and disassembly of a crushing table and increase the use convenience.
In order to achieve the purpose, the invention provides the following technical scheme: a construction waste treatment device comprises a base, sliding columns and a crushing table, wherein a threaded rod is rotatably arranged at the top of the base, symmetrically distributed fixing columns are mounted at the top of the base, fixing plates are mounted on the upper portions of the inner side surfaces of the two fixing columns, a motor support is mounted at the top of each fixing plate, a servo motor is mounted at the top of each motor support, an output shaft of each servo motor is connected with a rotating shaft penetrating through the corresponding fixing plate, and a crushing roller is connected onto each rotating shaft; the sliding columns are movably arranged on the inner sides of the two fixing columns, the top of each sliding column is provided with a placing groove for inserting the lower portion of the crushing table, the fixing mechanism further comprises a fixing mechanism, the fixing mechanism comprises a limiting part and a fixing part, and the fixing part is located above the limiting part.
As a preferred technical solution of the present invention, the stabilizing member includes a vertical plate symmetrically installed on the top of the sliding column, and further includes a threaded column, a threaded hole is formed in the vertical plate, the threaded column and the threaded hole are screwed together, and one end of the threaded column is connected with a supporting plate supported on the side surface of the crushing table, the vertical plate is provided with an extending portion installed on the top of the sliding column, and the vertical plate and the sliding column are provided with positioning members.
As a preferred technical solution of the present invention, the positioning component includes positioning grooves symmetrically formed in the top of the sliding column, and the bottom of the vertical plate is provided with positioning blocks adapted to the positioning grooves.
In a preferred embodiment of the present invention, the limiting member is a limiting block, the limiting block is symmetrically mounted on the inner side surface of the placing groove, and the end of the limiting block abuts against the side surface of the pulverizing table.
As a preferable technical scheme of the present invention, the upper portion of the side surface of the crushing table is provided with symmetrically distributed first handles, the top of the crushing table is provided with a crushing groove, the top of the crushing table is provided with a protective frame, the side surface of the protective frame is provided with a second handle, and the protective frame and the crushing table are provided with fastening components.
As a preferred technical solution of the present invention, the fastening member includes an insertion slot and an extension block, the insertion slot is symmetrically disposed at the top of the crushing table, the inner side surface of the insertion slot is provided with symmetrically distributed springs, the end portion of the spring is provided with a clamping plate, the extension block is disposed at the bottom of the protection frame, and the extension block is inserted into the insertion slot and abuts against the clamping plate.
As a preferable technical scheme of the invention, the right side of one fixed column is provided with a bearing and a rotating column, the bottom of the rotating column is arranged in the bearing, a first chain and a second chain are wound on the rotating column, the rotating column is in transmission connection with a rotating shaft through the first chain, and the rotating column is in transmission connection with a threaded rod through the second chain.
As a preferable technical scheme of the invention, the bottom of the sliding column is provided with a threaded sleeve, and the threaded sleeve is in threaded connection with the threaded rod.
The invention also discloses a construction waste treatment method, which comprises the following steps:
the method comprises the following steps: removing the building, decorating the house and transforming the construction waste generated in the road to the processing place by vehicle;
step two: manually sorting and classifying substances which can be directly recycled in the construction waste and directly supplying the substances to corresponding companies for treatment;
step three: the large waste concrete, waste brick and marble material in the construction waste are crushed to less than 100 mm by a large-scale hammer or crusher, then crushed to the stones and sands required by the construction by a stone crusher, and the mixture is classified into coarse stones, fine stones, coarse sands and fine sands which meet the construction standards and mud and sand regeneration materials by a multi-layer classification sieve.
Compared with the prior art, the invention has the beneficial effects that:
through the stabilizing mean of design, when smashing the platform installation, take up and smash the platform and insert along the stopper of injecing, increase the injecing when smashing the platform installation, rotate the screw thread post, utilize the rotation of screw thread post to drive to support the board and support at smashing a side surface, stabilize crushing platform, the quick installation of smashing the platform has been realized, damage when smashing the platform, when the platform dismantlement needs to be smashed, rotate the screw thread post, utilize the rotation of screw thread post to drive to support the board and break away from smashing a side surface, can dismantle crushing platform.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is an enlarged view of the area A in FIG. 1 according to the present invention;
FIG. 3 is an enlarged view of area E of FIG. 2 according to the present invention;
FIG. 4 is an enlarged view of the area B in FIG. 1 according to the present invention;
in the figure: 1. a base; 2. a threaded rod; 3. a sliding post; 31. a placement groove; 32. a limiting block; 33. positioning a groove; 4. fixing a column; 5. a rotating shaft; 6. a fixing plate; 7. a motor bracket; 8. a servo motor; 9. a crushing roller; 10. rotating the column; 11. a vertical plate; 111. a threaded post; 112. an extension portion; 113. a resisting plate; 114. positioning blocks; 13. a crushing table; 131. a first handle; 132. a spring; 133. a slot; 134. a splint; 135. a crushing tank; 14. a threaded sleeve; 15. a protective frame; 151. a second handle; 152. an extension block.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1
Referring to fig. 1-3, for a first embodiment of the present invention, the embodiment provides a construction waste treatment apparatus, including a base 1, a sliding column 3, and a crushing table 13, wherein a threaded rod 2 is rotatably disposed on the top of the base 1, fixing columns 4 are symmetrically disposed on the top of the base 1, so as to implement installation of the fixing columns 4, a fixing plate 6 is installed on the upper portion of the inner side surfaces of the two fixing columns 4, so as to implement installation of the fixing plate 6, a motor bracket 7 is installed on the top of the fixing plate 6, so as to implement installation of the motor bracket 7, and a servo motor 8 is installed on the top of the motor bracket 7, so as to implement installation of the servo motor 8, an output shaft of the servo motor 8 is connected with a rotating shaft 5 penetrating through the fixing plate 6, the rotating shaft 5 is connected with a crushing roller 9, so as to facilitate driving the rotating shaft 5 to rotate by the servo motor 8, and the rotating shaft 5 drives the crushing roller 9 to rotate; the sliding columns 3 are movably arranged on the inner sides of the two fixed columns 4, the top of each sliding column 3 is provided with a placing groove 31 for inserting the lower part of the crushing table 13, the placing groove 31 is formed, and the crushing device further comprises a stabilizing mechanism, the stabilizing mechanism comprises a limiting part and a stabilizing part, and the stabilizing part is located above the limiting part; the stabilizing part comprises vertical plates 11 symmetrically arranged at the tops of the sliding columns 3, the installation of the vertical plates 11 is realized, the fixing device further comprises threaded columns 111, threaded holes are formed in the vertical plates 11, the arrangement of the threaded holes is realized, the threaded columns 111 and the threaded holes are screwed, one ends of the threaded columns 111 are connected with supporting plates 113 which are supported on the side surfaces of the crushing tables 13, the supporting plates 113 can be driven to be supported on the side surfaces of the crushing tables 13 through the rotation of the threaded columns 111, the crushing tables 13 are stabilized, the vertical plates 11 are provided with extending parts 112 arranged at the tops of the sliding columns 3, the addition of the extending parts 112 is realized, and the vertical plates 11 and the sliding columns 3 are provided with positioning parts; the positioning component comprises positioning grooves 33, the positioning grooves 33 are symmetrically formed in the top of the sliding column 3, the positioning grooves 33 are formed, positioning blocks 114 matched with the positioning grooves 33 are arranged at the bottom of the vertical plate 11, the positioning blocks 114 are additionally arranged, and the positioning of the vertical plate 11 during installation is increased by means of matching of the positioning blocks 114 and the positioning grooves 33; the limiting component is a limiting block 32, the limiting block 32 is symmetrically arranged on the inner side surface of the placing groove 31, the limiting block 32 is arranged, the end part of the limiting block 32 is abutted against the side surface of the crushing table 13, and the limitation of the crushing table 13 during installation is increased through the limiting block 32.
In summary, when the pulverizing table 13 is installed, the pulverizing table 13 is taken up and inserted along the limiting blocks 32, the limitation of the pulverizing table 13 during installation is increased, the threaded column 111 is rotated, the abutting plate 113 is driven by the rotation of the threaded column 111 to abut against the side surface of the pulverizing table 13, the pulverizing table 13 is stabilized, the pulverizing table 13 is quickly installed, when the pulverizing table 13 is damaged and the pulverizing table 13 needs to be disassembled, the threaded column 111 is rotated, the abutting plate 113 is driven by the rotation of the threaded column 111 to disengage from the side surface of the pulverizing table 13, and the pulverizing table 13 can be disassembled.
In this embodiment, preferably, the first handles 131 are symmetrically arranged on the upper portion of the side surface of the crushing table 13, so that the first handles 131 are installed, the crushing table 13 can be conveniently taken down through the first handles 131, the crushing groove 135 is formed in the top of the crushing table 13, so that the crushing groove 135 is formed, the crushing groove 135 is used for placing stones, the protective frame 15 is installed on the top of the crushing table 13, so that the protective frame 15 is installed, the second handles 151 are arranged on the side surface of the protective frame 15, and the protective frame 15 can be conveniently taken down through the second handles 151.
In this embodiment, preferably, the right side of a fixed column 4 is provided with bearing and rotation post 10, and the bottom of rotation post 10 is arranged in the bearing, around being equipped with first chain and second chain on the rotation post 10, rotation post 10 is connected through first chain and the transmission of axis of rotation 5, and axis of rotation 5 rotates and drives rotation post 10 and rotate, and rotation post 10 passes through the transmission of second chain and threaded rod 2 and connects, and rotation post 10 rotates and drives threaded rod 2 and rotate.
In this embodiment, preferably, the bottom of the sliding column 3 is provided with a threaded sleeve 14, the threaded sleeve 14 is in threaded connection with the threaded rod 2, the threaded rod 2 rotates to drive the threaded sleeve 14 to move up and down, and the threaded sleeve 14 moves up and down to drive the sliding column 3 to move up and down.
The concrete structure and the working principle of the threaded rod 2, the rotating shaft 5, the servo motor 8, the crushing roller 9, the first chain, the second chain and the threaded sleeve 14 in the application are disclosed in a mobile stone crusher with the application number of CN 201921812690.5.
Example 2
Referring to fig. 1-4, a second embodiment of the present invention is based on the first embodiment, except that:
Example 3
In a third embodiment of the present invention, there is provided a construction waste treatment method including the steps of:
the method comprises the following steps: removing the building, decorating the house and transforming the construction waste generated in the road to the processing place by vehicle;
step two: manually sorting and classifying substances which can be directly recycled in the construction waste and directly supplying the substances to corresponding companies for treatment;
step three: the large waste concrete, waste brick and marble material in the construction waste are crushed to less than 100 mm by a large-scale hammer or crusher, then crushed to the stones and sands required by the construction by a stone crusher, and the mixture is classified into coarse stones, fine stones, coarse sands and fine sands which meet the construction standards and mud and sand regeneration materials by a multi-layer classification sieve.
Although embodiments of the present invention have been shown and described, with particular reference to the foregoing detailed description, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (9)
1. A construction waste treatment device comprises a base (1), sliding columns (3) and a crushing table (13), wherein a threaded rod (2) is rotatably arranged at the top of the base (1), symmetrically distributed fixing columns (4) are mounted at the top of the base (1), fixing plates (6) are mounted on the upper portions of inner side surfaces of the two fixing columns (4), a motor support (7) is mounted at the top of each fixing plate (6), a servo motor (8) is mounted at the top of each motor support (7), an output shaft of each servo motor (8) is connected with a rotating shaft (5) penetrating through the corresponding fixing plate (6), and crushing rollers (9) are connected onto the rotating shafts (5); the activity of sliding column (3) sets up in the inboard of two fixed columns (4), and sliding column (3) the top seted up and supply crushing platform (13) lower part male standing groove (31), its characterized in that: the fixing mechanism comprises a limiting part and a fixing part, and the fixing part is positioned above the limiting part.
2. The construction waste disposal apparatus according to claim 1, wherein: the stabilizing part comprises a vertical plate (11) symmetrically arranged at the top of the sliding column (3) and further comprises a threaded column (111), a threaded hole is formed in the vertical plate (11), the threaded column (111) and the threaded hole are screwed, one end of the threaded column (111) is connected with a supporting plate (113) which is supported on the side surface of the crushing table (13), an extending part (112) arranged at the top of the sliding column (3) is arranged on the vertical plate (11), and positioning parts are arranged on the vertical plate (11) and the sliding column (3).
3. The construction waste disposal apparatus according to claim 2, wherein: the positioning component comprises a positioning groove (33), the positioning groove (33) is symmetrically arranged at the top of the sliding column (3), and a positioning block (114) matched with the positioning groove (33) is arranged at the bottom of the vertical plate (11).
4. The construction waste disposal apparatus according to claim 1, wherein: the limiting component is a limiting block (32), the limiting block (32) is symmetrically arranged on the inner side surface of the placing groove (31), and the end part of the limiting block (32) is abutted against the side surface of the crushing table (13).
5. The construction waste disposal apparatus according to claim 1, wherein: the utility model discloses a crushing platform, including crushing platform (13), protection frame (15), the side surface of protection frame (15) is provided with second handle (151), be provided with fastening component on protection frame (15) and crushing platform (13), crushing platform (13) side surface upper portion is provided with first in command (131) of symmetric distribution, and crushing platform (13) top has seted up crushing groove (135), crushing platform (13) top is installed.
6. The construction waste disposal apparatus according to claim 5, wherein: fastening component includes slot (133), extends piece (152), slot (133) symmetry is seted up in the top of smashing platform (13), and the medial surface of slot (133) is provided with spring (132) of symmetric distribution, and the tip of spring (132) is provided with splint (134), extend piece (152) and set up in the bottom of protective frame (15), and extend the inside that piece (152) inserted slot (133) to support on splint (134).
7. The construction waste disposal apparatus according to claim 1, wherein: one the right side of fixed column (4) is provided with bearing and rotation post (10), and rotates the bottom of post (10) and arrange in the bearing, rotate on post (10) around being equipped with first chain and second chain, rotate post (10) and connect through first chain and axis of rotation (5) transmission, rotate post (10) and connect through second chain and threaded rod (2) transmission.
8. The construction waste disposal apparatus according to claim 7, wherein: the bottom of the sliding column (3) is provided with a threaded sleeve (14), and the threaded sleeve (14) is in threaded connection with the threaded rod (2).
9. A construction waste treatment method is characterized in that: the construction waste treatment method comprising the treatment apparatus as set forth in any one of claims 1 to 8, comprises:
the method comprises the following steps: removing the building, decorating the house and transforming the construction waste generated in the road to the processing place by vehicle;
step two: manually sorting and classifying substances capable of being directly recycled in the construction waste, and directly supplying the substances to corresponding companies for treatment;
step three: the large waste concrete, waste brick and marble material in the construction waste are crushed to less than 100 mm by a large-scale hammer or crusher, then crushed to the stones and sands required by the construction by a stone crusher, and the mixture is classified into coarse stones, fine stones, coarse sands and fine sands which meet the construction standards and mud and sand regeneration materials by a multi-layer classification sieve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211119169.XA CN115351047A (en) | 2022-09-13 | 2022-09-13 | Construction waste treatment method and device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211119169.XA CN115351047A (en) | 2022-09-13 | 2022-09-13 | Construction waste treatment method and device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115351047A true CN115351047A (en) | 2022-11-18 |
Family
ID=84005864
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211119169.XA Pending CN115351047A (en) | 2022-09-13 | 2022-09-13 | Construction waste treatment method and device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115351047A (en) |
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| CN211026526U (en) * | 2019-10-27 | 2020-07-17 | 张学进 | Remove building stones rubbing crusher |
| CN212095309U (en) * | 2020-05-21 | 2020-12-08 | 童文华 | Positioning mechanism for lathe machining of I-shaped mechanical part |
| DE212020000299U1 (en) * | 2020-08-14 | 2021-02-10 | Liuheng Metal Technology (Kunshan) Co., Ltd. | A punching device for mobile phone manufacture |
| CN112825613A (en) * | 2019-11-20 | 2021-05-21 | 湖南工业大学 | Heat dissipation cooling device for air conditioner power supply in market |
| CN214395120U (en) * | 2020-11-20 | 2021-10-15 | 淮南市国昊塑料制品有限公司 | Plastic bottle blowing, stretching and injection molding mold |
| CN215791425U (en) * | 2021-09-17 | 2022-02-11 | 浙江比迪比鞋业有限公司 | Rubber overshoes injection mold that production efficiency is high |
| CN216365260U (en) * | 2021-09-15 | 2022-04-26 | 江苏天晶智能装备有限公司 | Semiconductor appearance that moults |
-
2022
- 2022-09-13 CN CN202211119169.XA patent/CN115351047A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1990129A (en) * | 2005-12-28 | 2007-07-04 | 罗以杰 | A method for comprehensive treatment of construction refuse |
| CN210024255U (en) * | 2019-03-26 | 2020-02-07 | 上海斯瑞佛汽车零部件有限公司 | Auxiliary welding clamp for silencer assembly |
| CN210549620U (en) * | 2019-07-16 | 2020-05-19 | 重庆文理学院 | Milling center positioning device for mold machining |
| CN211026526U (en) * | 2019-10-27 | 2020-07-17 | 张学进 | Remove building stones rubbing crusher |
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| DE212020000299U1 (en) * | 2020-08-14 | 2021-02-10 | Liuheng Metal Technology (Kunshan) Co., Ltd. | A punching device for mobile phone manufacture |
| CN214395120U (en) * | 2020-11-20 | 2021-10-15 | 淮南市国昊塑料制品有限公司 | Plastic bottle blowing, stretching and injection molding mold |
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