CN110802670A - Automatic punching and slitting integrated production process for geocell - Google Patents

Automatic punching and slitting integrated production process for geocell Download PDF

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Publication number
CN110802670A
CN110802670A CN201911114680.9A CN201911114680A CN110802670A CN 110802670 A CN110802670 A CN 110802670A CN 201911114680 A CN201911114680 A CN 201911114680A CN 110802670 A CN110802670 A CN 110802670A
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CN
China
Prior art keywords
fixedly connected
sheet
servo motor
punching
shaft
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.)
Pending
Application number
CN201911114680.9A
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Chinese (zh)
Inventor
孙银文
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.)
Anhui Jiesi New Material Technology Co Ltd
Original Assignee
Anhui Jiesi New Material Technology Co Ltd
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Filing date
Publication date
Application filed by Anhui Jiesi New Material Technology Co Ltd filed Critical Anhui Jiesi New Material Technology Co Ltd
Priority to CN201911114680.9A priority Critical patent/CN110802670A/en
Publication of CN110802670A publication Critical patent/CN110802670A/en
Pending legal-status Critical Current

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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B26HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26FPERFORATING; PUNCHING; CUTTING-OUT; STAMPING-OUT; SEVERING BY MEANS OTHER THAN CUTTING
    • B26F1/00Perforating; Punching; Cutting-out; Stamping-out; Apparatus therefor
    • B26F1/02Perforating by punching, e.g. with relatively-reciprocating punch and bed
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B26HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26DCUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
    • B26D5/00Arrangements for operating and controlling machines or devices for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
    • B26D5/08Means for actuating the cutting member to effect the cut
    • B26D5/086Electric, magnetic, piezoelectric, electro-magnetic means
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B26HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26DCUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
    • B26D7/00Details of apparatus for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
    • B26D7/20Cutting beds
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B26HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26FPERFORATING; PUNCHING; CUTTING-OUT; STAMPING-OUT; SEVERING BY MEANS OTHER THAN CUTTING
    • B26F1/00Perforating; Punching; Cutting-out; Stamping-out; Apparatus therefor
    • B26F1/02Perforating by punching, e.g. with relatively-reciprocating punch and bed
    • B26F1/14Punching tools; Punching dies
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C53/00Shaping by bending, folding, twisting, straightening or flattening; Apparatus therefor
    • B29C53/02Bending or folding
    • B29C53/04Bending or folding of plates or sheets

Abstract

The invention discloses an automatic punching and slitting integrated production process for a geocell, and relates to the technical field of construction building materials. Including the workstation, the top fixedly connected with structure frame of workstation, the both sides at workstation top all are located the first servo motor of workstation bottom through mount pad fixedly connected with, and first servo motor's output shaft fixedly connected with direction beam barrel, the equal fixedly connected with cylinder that is located first servo motor mount pad bottom in the top both sides of workstation. The strip-shaped section bars form a cell unit body consisting of two regular triangles, a plurality of non-bent cell unit bodies are separately arranged in different carrying boxes to be carried to a construction site after being produced, the conditions that the large-area section bars occupy large area and are easy to damage in the transportation process are avoided, after the large-area section bars arrive at the construction site, the single punched section bars are bent according to a specified mode and fixedly connected to form the independent cell unit body, and the cell unit body is convenient to be operated and assembled by a single person.

Description

Automatic punching and slitting integrated production process for geocell
Technical Field
The invention relates to the technical field of construction building materials, in particular to an automatic punching and slitting integrated production process for a geocell.
Background
The geocell is a three-dimensional netted cell structure formed by reinforced high-molecular polymer sheet materials and high-strength welding, is generally formed by ultrasonic needle type welding, can stretch out and draw back freely, can transport and fold, can be stretched into a net shape during construction, and can be filled with loose materials such as soil, gravels and concrete, so that a structure body with strong lateral limitation and high rigidity is formed.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides an automatic punching and slitting integrated production process for a geocell, which aims to solve the problems in the background art.
(II) technical scheme
In order to achieve the purpose, the invention provides the following technical scheme: an automatic punching and slitting integrated production device for geocells comprises a workbench, wherein a structural frame is fixedly connected to the top of the workbench, a first servo motor located at the bottom of the workbench is fixedly connected to two sides of the top of the workbench through mounting seats, a guide shaft roller is fixedly connected to an output shaft of the first servo motor, a cylinder located at the bottom of the first servo motor mounting seat is fixedly connected to two sides of the top of the workbench, a guide plate is fixedly connected to an output shaft of the cylinder, a falling mounting frame is fixedly connected to two sides of the bottom of the structural frame, a second servo motor is fixedly connected to one side of the bottom of the falling mounting frame, a punching assembly is arranged on one side of the falling mounting frame and comprises a first movable box and a second movable box which are fixedly connected through connecting plates, a first double-shaft movable plate is movably connected to the first movable box through a movable shaft, the bottom of first double-shaft movable plate has the second double-shaft movable plate through loose axle swing joint, first double-shaft movable plate is located the installation axle of first movable box and second servo motor's output fixed connection, the piston has been cup jointed in the second movable box, the bottom fixedly connected with punching head of piston, the bottom swing joint of loose axle and second double-shaft movable plate is passed through to the inner circle inner wall of piston.
This technical scheme is further optimized, the tenesmus mounting bracket includes a vertical tenesmus structure pole, and the opposite side fixedly connected with mounting platform of the tenesmus structure pole, second servo motor fixed connection is in mounting platform's top.
Further optimize this technical scheme, the guide roll outer lane is all seted up the concave reason to the side in opposite directions, and the distance of concave reason apart from the guide roll centre of a circle equals the section thickness.
An automatic punching and slitting integrated production process for a geocell comprises the following steps:
s1, marking: carrying out secondary high-strength stretching on the extruded high-molecular polymer sheet by adopting a hydraulic universal material testing machine to obtain a finished product of an un-punched sheet raw material, wherein five marks are uniformly arranged at intervals along the length direction of the long strip sheet, and the third mark along the length direction is an external corner mark;
s2, punching: placing the sheet on the upper surface of a workbench and at the bottom of a guide shaft roller, arranging a second servo motor to enable an output shaft of the second servo motor to drive a first double-shaft movable plate to rotate around an upper half movable shaft, pulling up the second double-shaft movable plate at the moment, and under the action of a movable shaft in a piston, enabling the second double-shaft movable plate to deflect around the lower end of the second double-shaft movable plate in a fan shape to enable the piston to move up and down, and finally enabling a punching head to move up and down regularly, and enabling the punching head to contact with a non-mark part of the sheet to finally punch the sheet;
s3, adjusting the punching position: arranging a first servo motor to enable the guide shaft roller to move the sheet, changing the relative position of the sheet and the punching head in the depth direction, combining S2 to further punch the sheet in the longitudinal direction, arranging a second servo motor to enable the relative transverse horizontal positions of the guide plates on the two sides of the top of the workbench and the workbench to be changed, and combining S2 to punch the sheet in the transverse direction;
s4, assembling the finished product sheet: and (3) bending the punched finished product sheet anticlockwise according to the first and second internal corner marks, bending the external corner mark clockwise, and bending the third and fourth internal corner marks anticlockwise, so that the long strip-shaped sheet forms a cell unit body consisting of two regular triangles, respectively turning over the two regular triangles of the cell unit body for 60 degrees, forming opposite angles with equal included angles at the two triangular joints, and finally mutually riveting the edges and corners of different cell unit bodies to obtain a complete geocell module.
Further optimizing the technical scheme, in the step S1, the bending direction of the internal corner sign section is anticlockwise bending, and the bending direction of the external corner sign section is clockwise bending.
Further optimizing the technical scheme, in the step S4, a steel bar is respectively provided with three grooves to the outer ring along a circular section, included angles of the sections of the three grooves are all 120 degrees, the steel bar is not cut and separated by the grooves, and edges and corners between the same or different cellular room unit bodies are inserted into the grooves of the steel bar.
Further optimizing the technical scheme, in the step S4, the cell units bent along the internal corner mark and the external corner mark are fixedly connected end to end along the two sides of the wide side of the original sheet.
(III) advantageous effects
Compared with the prior art, the invention provides an automatic punching and slitting integrated production process for a geocell, which has the following beneficial effects:
this automatic punching and cutting integration production technology of geotechnique's check room, form a check room cell cube of compriseing two regular triangles through rectangular form section bar piece, transport to the job site after producing a plurality of non-bending check room cell cube partial shipment to different tote boxes, avoid the big and easily damaged condition of area that large tracts of land section bar piece caused in the transportation, after arriving the job site, will solitary punching a hole back section bar piece bend and fixed connection and form independent check room cell cube according to the prescribed mode, the one-man operation equipment of being convenient for, avoid the unsatisfactory material that leads to of cooperation that many people cooperation installation equipment brought to be impaired, and solitary check room cell cube is to the geotechnique construction that job site adopted with the board house, be convenient for when later stage demolishs in turn.
Drawings
FIG. 1 is a schematic structural view of an automatic punching and slitting integrated production device of a geocell provided by the invention;
fig. 2 is a schematic structural diagram of a punching assembly of the automatic punching and slitting integrated production device for the geocell provided by the invention.
In the figure: 1. a work table; 2. a first servo motor; 21. a guide shaft roller; 3. a cylinder; 31. a guide plate; 4. a structural frame; 41. a drop mounting rack; 42. a second servo motor; 5. a punching assembly; 51. a first movable box; 52. a second movable box; 53. a first dual axis plate; 54. a second dual-axis movable plate; 55. a piston; 56. and (4) a punching head.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to 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.
As shown in fig. 1-2, the automatic punching and slitting integrated production device for geocells according to the present invention comprises a workbench 1, wherein a structural frame 4 is fixedly connected to the top of the workbench 1, a first servo motor 2 located at the bottom of the workbench 1 is fixedly connected to both sides of the top of the workbench 1 through mounting seats, a guide shaft roller 21 is fixedly connected to an output shaft of the first servo motor 2, a cylinder 3 located at the bottom of the mounting seat of the first servo motor 2 is fixedly connected to both sides of the top of the workbench 1, a guide plate 31 is fixedly connected to an output shaft of the cylinder 3, a dropping mounting frame 41 is fixedly connected to both sides of the bottom of the structural frame 4, a second servo motor 42 is fixedly connected to one side of the bottom of the dropping mounting frame 41, a punching assembly 5 is arranged on one side of the dropping mounting frame 41, the punching assembly 5 comprises a first movable box 51 and a second movable box 52 which are fixedly connected through a connecting plate, a first double-shaft movable plate 53 is movably connected in the first movable box 51 through a movable shaft, a second double-shaft movable plate 54 is movably connected at the bottom of the first double-shaft movable plate 53 through a movable shaft, the first double-shaft movable plate 53 is located in the first movable box 51 and fixedly connected with an installation shaft and an output end of the second servo motor 42, a piston 55 is connected in the second movable box 52 in a sleeved mode, a punching head 56 is fixedly connected at the bottom of the piston 55, the inner wall of an inner ring of the piston 55 is movably connected with the bottom of the second double-shaft movable plate 54 through a movable shaft, the type of the cylinder 3 is MGPG, and the types of the first servo motor 2 and the second servo motor 42 are RJ 090-E03520.
Specifically, the tenesmus mounting bracket 41 includes a vertical tenesmus structure pole, and the opposite side fixedly connected with mounting platform of the structure pole that just tenesmus, second servo motor 42 fixed connection is in mounting platform's top, the concave edge has all been seted up to the opposite side in direction beam barrel 21 outer lane, and the distance of the concave edge apart from the direction roller centre of a circle equals section bar thickness, is convenient for carry out closely the compaction with the former section bar that does not punch a hole.
An automatic punching and slitting integrated production process for a geocell comprises the following steps:
s1, marking: carrying out secondary high-strength stretching on the extruded high-molecular polymer sheet by adopting a hydraulic universal material testing machine to obtain a finished product of an un-punched sheet raw material, wherein five marks are uniformly arranged at intervals along the length direction of the long strip sheet, and the third mark along the length direction is an external corner mark;
s2, punching: placing a sheet on the upper surface of the workbench 1 and at the bottom of the guide shaft roller 21, arranging a second servo motor 42 so that an output shaft of the second servo motor 42 drives a first double-shaft movable plate 53 to rotate around an upper half movable shaft, at the moment, pulling up a second double-shaft movable plate 54, and under the action of a movable shaft inside a piston 55, enabling the second double-shaft movable plate 54 to perform sector deflection around the lower end of the second double-shaft movable plate to enable the piston 55 to move up and down, and finally enabling a punching head 56 to perform regular up and down movement, and enabling the punching head 56 to be in contact with a non-mark part of the sheet to finally punch the sheet;
s3, adjusting the punching position: arranging a first servo motor 2 to enable the guide shaft roller 21 to enable the sheet to move, changing the relative position of the sheet and the punching head 56 in the depth direction, combining S2 to further enable the sheet to be subjected to punching operation in the longitudinal direction, arranging a second servo motor 42 to enable the relative transverse horizontal positions of the guide plates 31 on two sides of the top of the workbench 1 and the workbench 1 to be changed, and combining S2 to perform punching operation in the transverse direction on the sheet;
s4, assembling the finished product sheet: and (3) bending the punched finished product sheet anticlockwise according to the first and second internal corner marks, bending the external corner mark clockwise, and bending the third and fourth internal corner marks anticlockwise, so that the long strip-shaped sheet forms a cell unit body consisting of two regular triangles, respectively turning over the two regular triangles of the cell unit body for 60 degrees, forming opposite angles with equal included angles at the two triangular joints, and finally mutually riveting the edges and corners of different cell unit bodies to obtain a complete geocell module.
Specifically, in S1, reentrant corner sign department piece direction of bending is anticlockwise bending, and external corner sign department piece direction of bending is clockwise bending, in S4, set up three recesses to the outer lane respectively along the section is circular with a reinforcing bar, and three recess section contained angles are 120 degrees, and the recess is not with reinforcing bar cutting separation, and the riveting of the piece after the reinforcing bar cooperation is folded after the cutting carries out mutual fixed connection, realizes the equipment effect, and the edges and corners between the same or different grid room cell units inserts in the reinforcing bar recess, and the grid room cell unit after bending along reentrant corner sign and external corner sign is along the broadside both sides head and the tail fixed connection of former piece.
The principle and the beneficial effects of the invention are as follows: placing the sheet on the upper surface of the worktable 1 and at the bottom of the guiding shaft roller 21, arranging a second servo motor 42 to enable an output shaft of the second servo motor 42 to drive a first double-shaft movable plate 53 to rotate around an upper half movable shaft, at the moment, pulling up a second double-shaft movable plate 54, enabling the second double-shaft movable plate 54 to perform sector deflection around the lower end of the second double-shaft movable plate under the action of a movable shaft in a piston 55, enabling the piston 55 to move up and down, finally enabling a punching head 56 to perform up and down regular motion, enabling the punching head 56 to be in contact with a sheet non-mark position, finally punching the sheet, sequentially bending the finished sheet after punching anticlockwise according to a first female corner mark and a second female corner mark, bending a male corner mark clockwise, bending a third female corner mark and a fourth female corner mark anticlockwise, enabling the sheet to form a cellular unit body consisting of two regular triangles, respectively turning the two regular triangles of the cellular unit body into a long strip shape of 60 degrees, so that opposite angles with equal included angles are formed at the two triangular joints, and finally, the edges and corners of different cell units are riveted to obtain a complete geocell module, the strip-shaped section bars form a cell unit body consisting of two regular triangles, a plurality of unbent cell unit bodies are separately arranged in different carrying boxes for carrying to a construction site after production, the conditions of large occupied area and easy damage caused by the transportation of large-area section bars are avoided, after arriving at a construction site, the single punched section bars are bent and fixedly connected according to a specified mode to form an independent cell unit body, so that the single-person operation and assembly are facilitated, the material damage caused by non-ideal matching caused by the matching of a plurality of persons for matching and assembly is avoided, and the single cellular room unit bodies are convenient to be removed one by one when the single cellular room unit bodies are removed at the final stage for the geotechnical construction adopted by the board houses on the construction site.
Although embodiments of the present invention have been shown and described, 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 (7)

1. The utility model provides an automatic integrated apparatus for producing that cuts that punches a hole of geocell, its characterized in that: the punching mechanism is characterized in that a structure frame (4) is fixedly connected to the top of the workbench (1), the two sides of the top of the workbench (1) are fixedly connected with a first servo motor (2) located at the bottom of the workbench through a mounting seat, an output shaft of the first servo motor (2) is fixedly connected with a guide shaft roller (21), the two sides of the top of the workbench (1) are fixedly connected with a cylinder (3) located at the bottom of the mounting seat of the first servo motor (2), an output shaft of the cylinder (3) is fixedly connected with a guide plate (31), the two sides of the bottom of the structure frame (4) are fixedly connected with a falling mounting frame (41), one side of the bottom of the falling mounting frame (41) is fixedly connected with a second servo motor (42), a punching assembly (5) is arranged on one side of the falling mounting frame (41), the punching assembly (5) comprises a first movable box (51) and a second movable box (52) which are fixedly connected through, there is first double-shaft movable plate (53) through loose axle swing joint in first movable box (51), there is second double-shaft movable plate (54) bottom through loose axle swing joint in first double-shaft movable plate (53), first double-shaft movable plate (53) are located the installation axle in first movable box (51) and second servo motor (42)'s output fixed connection, piston (55) have been cup jointed in second movable box (52), the bottom fixedly connected with punching head (56) of piston (55), the bottom swing joint of loose axle and second double-shaft movable plate (54) is passed through to the inner circle inner wall of piston (55).
2. The automatic punching and slitting integrated production device for the geocell of claim 1, which is characterized in that: and the falling mounting rack (41) comprises a vertical falling structure rod, the opposite side of the falling structure rod is fixedly connected with a mounting platform, and the second servo motor (42) is fixedly connected to the top of the mounting platform.
3. The automatic punching and slitting integrated production device for the geocell of claim 1, which is characterized in that: the opposite sides of the outer ring of the guide shaft roller (21) are provided with concave edges, and the distance between the concave edges and the circle center of the guide roller is equal to the thickness of the section.
4. The automatic punching and slitting integrated production process for the geocell is characterized by comprising the following steps of:
s1, marking: carrying out secondary high-strength stretching on the extruded high-molecular polymer sheet by adopting a hydraulic universal material testing machine to obtain a finished product of an un-punched sheet raw material, wherein five marks are uniformly arranged at intervals along the length direction of the long strip sheet, and the third mark along the length direction is an external corner mark;
s2, punching: placing a sheet on the upper surface of a workbench (1) and at the bottom of a guide shaft roller (21), arranging a second servo motor (42) to enable an output shaft of the second servo motor (42) to drive a first double-shaft movable plate (53) to rotate around an upper half movable shaft, pulling up a second double-shaft movable plate (54) at the moment, enabling the second double-shaft movable plate (54) to deflect around the lower end of the second double-shaft movable plate under the action of the movable shaft inside a piston (55) to enable the piston (55) to move up and down, finally enabling a punching head (56) to move up and down regularly, and finally punching the sheet by contacting the punching head (56) with a non-mark part of the sheet;
s3, adjusting the punching position: arranging a first servo motor (2) to enable a guide shaft roller (21) to move the sheet, changing the relative position of the sheet and a punching head (56) in the depth direction, combining S2 to further punch the sheet in the longitudinal direction, arranging a second servo motor (42) to enable the relative transverse horizontal positions of guide plates (31) on two sides of the top of a workbench (1) and the workbench (1) to be changed, and combining S2 to punch the sheet in the transverse direction;
s4, assembling the finished product sheet: and (3) bending the punched finished product sheet anticlockwise according to the first and second internal corner marks, bending the external corner mark clockwise, and bending the third and fourth internal corner marks anticlockwise, so that the long strip-shaped sheet forms a cell unit body consisting of two regular triangles, respectively turning over the two regular triangles of the cell unit body for 60 degrees, forming opposite angles with equal included angles at the two triangular joints, and finally mutually riveting the edges and corners of different cell unit bodies to obtain a complete geocell module.
5. The geocell automatic punching and slitting integrated production process according to claim 4, wherein in S1, the bending direction of the material sheet at the internal corner mark is anticlockwise bending, and the bending direction of the material sheet at the external corner mark is clockwise bending.
6. The geocell automatic punching and slitting integrated production process according to claim 4, wherein in S4, a steel bar is provided with three grooves towards an outer ring along a section circle, included angles of the sections of the three grooves are all 120 degrees, the steel bar is not cut and separated by the grooves, and edges and corners between units of the same or different geocell are inserted into the grooves of the steel bar.
7. The geocell automatic punching and slitting integrated production process according to claim 4, wherein in S4, the cell unit bodies bent along the internal corner mark and the external corner mark are fixedly connected end to end along two sides of the wide side of the raw material sheet.
CN201911114680.9A 2019-11-14 2019-11-14 Automatic punching and slitting integrated production process for geocell Pending CN110802670A (en)

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CN201911114680.9A CN110802670A (en) 2019-11-14 2019-11-14 Automatic punching and slitting integrated production process for geocell

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Application Number Priority Date Filing Date Title
CN201911114680.9A CN110802670A (en) 2019-11-14 2019-11-14 Automatic punching and slitting integrated production process for geocell

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CN110802670A true CN110802670A (en) 2020-02-18

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Publication number Priority date Publication date Assignee Title
GB367256A (en) * 1931-05-19 1932-02-18 Eugenio Miozzi Improvements in or relating to paving
CN101602257A (en) * 2009-07-27 2009-12-16 吴德滨 Magneto-electric punching machine
CN104213549B (en) * 2014-04-24 2016-06-08 安徽徽风新型合成材料有限公司 A kind of geotechnical grid and production method thereof
CN205712054U (en) * 2016-04-29 2016-11-23 北京金元易生态环境产业股份有限公司 Geotechnical grid and slope protection system
CN107127820A (en) * 2017-06-26 2017-09-05 沈洁 A kind of bar shaped sheet material perforating mechanism
CN207934009U (en) * 2018-01-24 2018-10-02 兰州德科工程材料有限公司 A kind of connector and geotechnical grid for geotechnical grid
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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB367256A (en) * 1931-05-19 1932-02-18 Eugenio Miozzi Improvements in or relating to paving
CN101602257A (en) * 2009-07-27 2009-12-16 吴德滨 Magneto-electric punching machine
CN104213549B (en) * 2014-04-24 2016-06-08 安徽徽风新型合成材料有限公司 A kind of geotechnical grid and production method thereof
CN205712054U (en) * 2016-04-29 2016-11-23 北京金元易生态环境产业股份有限公司 Geotechnical grid and slope protection system
CN107127820A (en) * 2017-06-26 2017-09-05 沈洁 A kind of bar shaped sheet material perforating mechanism
CN208437463U (en) * 2017-12-27 2019-01-29 三之信(天津)自动化设备有限公司 A kind of thin plate punching machine
CN207934009U (en) * 2018-01-24 2018-10-02 兰州德科工程材料有限公司 A kind of connector and geotechnical grid for geotechnical grid
CN208545768U (en) * 2018-05-23 2019-02-26 河海大学 A kind of hexagram TGXG structure

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宗大全,朱弟雄: "塑料土工格室的生产与应用技术", 《工程塑料应用》 *
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