CN111576521A - Municipal works ditching machine - Google Patents

Municipal works ditching machine Download PDF

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Publication number
CN111576521A
CN111576521A CN202010448033.8A CN202010448033A CN111576521A CN 111576521 A CN111576521 A CN 111576521A CN 202010448033 A CN202010448033 A CN 202010448033A CN 111576521 A CN111576521 A CN 111576521A
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CN
China
Prior art keywords
plate
mud
soil
municipal
pushing
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Withdrawn
Application number
CN202010448033.8A
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Chinese (zh)
Inventor
李朝恒
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Individual
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Individual
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Publication date
Application filed by Individual filed Critical Individual
Priority to CN202010448033.8A priority Critical patent/CN111576521A/en
Publication of CN111576521A publication Critical patent/CN111576521A/en
Withdrawn legal-status Critical Current

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    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02FDREDGING; SOIL-SHIFTING
    • E02F5/00Dredgers or soil-shifting machines for special purposes
    • E02F5/02Dredgers or soil-shifting machines for special purposes for digging trenches or ditches
    • E02F5/06Dredgers or soil-shifting machines for special purposes for digging trenches or ditches with digging elements mounted on an endless chain
    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02FDREDGING; SOIL-SHIFTING
    • E02F3/00Dredgers; Soil-shifting machines
    • E02F3/04Dredgers; Soil-shifting machines mechanically-driven
    • E02F3/08Dredgers; Soil-shifting machines mechanically-driven with digging elements on an endless chain
    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02FDREDGING; SOIL-SHIFTING
    • E02F3/00Dredgers; Soil-shifting machines
    • E02F3/04Dredgers; Soil-shifting machines mechanically-driven
    • E02F3/08Dredgers; Soil-shifting machines mechanically-driven with digging elements on an endless chain
    • E02F3/12Component parts, e.g. bucket troughs
    • E02F3/14Buckets; Chains; Guides for buckets or chains; Drives for chains
    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02FDREDGING; SOIL-SHIFTING
    • E02F3/00Dredgers; Soil-shifting machines
    • E02F3/04Dredgers; Soil-shifting machines mechanically-driven
    • E02F3/08Dredgers; Soil-shifting machines mechanically-driven with digging elements on an endless chain
    • E02F3/12Component parts, e.g. bucket troughs
    • E02F3/14Buckets; Chains; Guides for buckets or chains; Drives for chains
    • E02F3/141Buckets; Chains; Guides for buckets or chains; Drives for chains buckets
    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02FDREDGING; SOIL-SHIFTING
    • E02F3/00Dredgers; Soil-shifting machines
    • E02F3/04Dredgers; Soil-shifting machines mechanically-driven
    • E02F3/08Dredgers; Soil-shifting machines mechanically-driven with digging elements on an endless chain
    • E02F3/12Component parts, e.g. bucket troughs
    • E02F3/14Buckets; Chains; Guides for buckets or chains; Drives for chains
    • E02F3/142Buckets; Chains; Guides for buckets or chains; Drives for chains tools mounted on buckets or chains which loosen the soil, e.g. cutting wheels, or the like
    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02FDREDGING; SOIL-SHIFTING
    • E02F3/00Dredgers; Soil-shifting machines
    • E02F3/04Dredgers; Soil-shifting machines mechanically-driven
    • E02F3/08Dredgers; Soil-shifting machines mechanically-driven with digging elements on an endless chain
    • E02F3/12Component parts, e.g. bucket troughs
    • E02F3/14Buckets; Chains; Guides for buckets or chains; Drives for chains
    • E02F3/144Buckets; Chains; Guides for buckets or chains; Drives for chains emptying or cleaning the buckets, e.g. in combination with spoil removing equipment

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Mining & Mineral Resources (AREA)
  • Civil Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Soil Working Implements (AREA)

Abstract

The invention discloses a municipal engineering trenching and ditching machine which comprises an operating handrail, a machine body, a trenching mechanism and a moving wheel, wherein the operating handrail is fixedly embedded at the upper end position of the machine body, the moving wheel is movably clamped with the machine body, a driving end is fixed at the rear end position of the machine body, the trenching mechanism is arranged at the front end position of the machine body, when the trenching mechanism on the machine body performs trenching on soil around a lake, the sliding plate can slide inwards along a mud cutter through the thrust generated by external soil on the sliding plate on the trenching mechanism, so that the generated concave surface can take out the soil cut by the mud discharging mechanism, when the sliding plate loses the extrusion of the external soil, the sliding plate is pushed by a rebound sheet to ascend and reset, the soil in the joint of the mud discharging mechanism and the sliding plate can be pushed out from the mud discharging mechanism by the sliding plate, and the two mud discharging mechanisms are matched, the condition that soil is squeezed into the mud cutting tool from the outside can be avoided.

Description

Municipal works ditching machine
Technical Field
The invention relates to the municipal field, in particular to a trenching and ditching machine for municipal engineering.
Background
The ditching equipment of ditching is mainly used for carrying out the equipment of ditching to the soil, can cut into ground through the cutter that the front end chain belt moves the installation at its surface, and the concave surface between the rethread cutter takes earth out to open the slot on the soil, lay the common equipment of pipeline and cable during municipal construction, based on the above-mentioned description the inventor finds, current municipal works ditching owner has following not enough, for example:
because the cutter of installation on ditching machine front end chain takes out through the concave surface between the cutter the earth that cuts to the lake is comparatively moist around earth, exists the clay that contains more moisture easily, so that when ditching machine carries out the ditching around the lake, the concave surface between the cutter adheres the clay easily, leads to the concave surface between the cutter to can't continuously take out the earth that cuts.
Disclosure of Invention
Aiming at the problems, the invention provides a trenching and ditching machine for municipal engineering.
In order to achieve the purpose, the invention is realized by the following technical scheme: the utility model provides a municipal works ditching machine, its structure includes operation handrail, organism, ditching mechanism, removes the wheel, the operation handrail inlays admittedly in the upper end position of organism, remove wheel and organism activity block, the drive end is fixed in the rear end position of organism, the ditching mechanism is installed in the front end position of organism.
As a further optimization of the invention, the trenching mechanism comprises a mud-proof mechanism, a sliding plate, a mud discharging mechanism, a mud cutting tool and a resilient sheet, wherein the mud-proof mechanism and the sliding plate are in an integrated structure, the sliding plate is in clearance fit with the mud cutting tool, the mud discharging mechanism is fixedly embedded with the mud cutting tool, the resilient sheet is arranged at the inner position of the mud cutting tool, and the resilient sheet is made of spring steel with strong elasticity.
As a further optimization of the invention, the mud-proof mechanism comprises a sealing sheet, a swinging plate, a restoring ring and an outer frame, wherein one end of the sealing sheet is connected with the swinging plate on the left side, the other end of the sealing sheet is fixedly embedded with the swinging plate on the right side, the swinging plate is hinged with the outer frame through the restoring ring, and the sealing sheet is made of stainless steel with high toughness.
As a further optimization of the invention, the swing plate comprises a movable plate, two elastic pieces and a bottom plate, the movable plate is hinged with the bottom plate, the elastic pieces are installed between the movable plate and the bottom plate, and the two movable plates are uniformly distributed on the upper surface of the bottom plate.
As a further optimization of the invention, the movable plate comprises a pushing block, a pulling strip and a combining block, the pushing block is movably clamped with the combining block, the pulling strip is arranged inside the combining block, the upper surface of the pushing block is of an arc-shaped structure, and the pulling strip is made of natural latex with strong elasticity.
As a further optimization of the invention, the mud discharging mechanism comprises a connecting plate, a supporting plate, a linkage plate and an elastic sheet, wherein the supporting plate is arranged between the connecting plate and the linkage plate, the linkage plate is hinged with the connecting plate, the elastic sheet and the supporting plate are of an integrated structure, and the elastic sheet is made of a memory metal material with strong restorability.
As a further optimization of the invention, the linkage plate comprises a plate surface, a mud guard, a reset ring and a mud pushing plate, wherein the mud guard is arranged between the plate surface and the mud pushing plate, the mud pushing plate is hinged with the plate surface through the reset ring, and the mud pushing plate is of an arc-shaped structure.
As a further optimization of the invention, the mud pushing plate comprises a bearing plate and a mud pushing surface, the pulling strip and the pushing block are of an integrated structure, and the mud pushing surface is of a triangular structure.
The invention has the following beneficial effects:
1. when the grooving mechanism on the machine body performs grooving on the soil around the lake, the sliding plate can slide inwards along the mud cutting tool through the thrust generated by the external soil on the sliding plate on the grooving mechanism, so that the generated concave surface can take out the soil cut by the mud discharging mechanism, and the swinging plate can swing downwards through the extrusion force of the external soil on the swinging plate on the mud-proof mechanism, so that the soil cut by the mud discharging mechanism can push the movable plate on the swing plate to incline along the swinging direction of the swing plate, when the external soil extrusion is lost, the movable plate can be reset through the elastic sheet, so that a gap is formed between the soil on the raised side of the movable plate and the reset movable plate, thereby reducing the contact area of the soil and the swing plate, and thus easily removing the soil adhered to the surface of the mud cutting tool.
2. When the sliding plate loses the extrusion of outside earth, promote the in-process that the sliding plate rises to reset through the resilience piece, can make the sliding plate release the earth in mud discharging mechanism and the sliding plate junction from mud discharging mechanism department, the extrusion that the earth produced the linkage plate through the release can make the linkage plate upwards swing to make the earth of releasing discharge from inside to outside through two mud discharging mechanisms, and through the cooperation of two mud discharging mechanisms, can avoid earth to extrude the condition in the mud cutter by the outside.
Drawings
FIG. 1 is a schematic structural view of a trenching and ditching machine for municipal works.
FIG. 2 is a schematic, partially elevational, structural view of the groover mechanism of the present invention.
Fig. 3 is a front view of the mud guard mechanism of the present invention.
FIG. 4 is a front view of the swing plate of the present invention.
Fig. 5 is a front view of the movable plate of the present invention.
Fig. 6 is a front view of the mud discharging mechanism of the present invention.
FIG. 7 is a partial front view of the linkage plate of the present invention.
Fig. 8 is a front view of the mud pushing plate of the present invention.
In the figure: the operation handrail-1, the machine body-2, the trenching mechanism-3, the moving wheel-4, the driving end-5, the mud-proof mechanism-31, the sliding plate-32, the mud-discharging mechanism-33, the mud-cutting tool-34, the rebound piece-35, the sealing piece-a 1, the swing plate-a 2, the return ring-a 3, the outer frame-a 4, the movable plate-a 21, the elastic piece-a 22, the bottom plate-a 23, the pushing block-b 1, the return strip-b 2, the combining block-b 3, the connecting plate-c 1, the supporting plate-c 2, the linkage plate-c 3, the elastic piece-c 4, the plate surface-c 31, the mud-c 32, the return ring-c 33, the mud-c 34, the bearing plate-d 1 and the mud-d 2.
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
As shown in fig. 1-5:
the invention provides a municipal engineering trenching and ditching machine which structurally comprises an operating handrail 1, a machine body 2, a trenching mechanism 3 and a moving wheel 4, wherein the operating handrail 1 is embedded at the upper end of the machine body 2, the moving wheel 4 is movably clamped with the machine body 2, a driving end 5 is fixed at the rear end of the machine body 2, and the trenching mechanism 3 is installed at the front end of the machine body 2.
Wherein, the mechanism 3 of digging a groove is including preventing mud mechanism 31, sliding plate 32, mud discharging mechanism 33, mud cutting tool 34, resilience piece 35, it is the integral structure with sliding plate 32 to prevent mud mechanism 31, sliding plate 32 and mud cutting tool 34 clearance fit, mud discharging mechanism 33 and mud cutting tool 34 are embedded to be connected, resilience piece 35 is installed in the internal position of mud cutting tool 34, through the extrusion of outside earth to sliding plate 32, can make sliding plate 32 slide down along mud discharging mechanism 33 to can take out the earth that mud discharging mechanism 33 cut, resilience piece 35 adopts the spring steel material that elasticity is stronger, can push it upwards to reset when sliding plate 32 loses outside earth extrusion.
The mud-proof mechanism 31 comprises a sealing piece a1, a swinging plate a2, a restoring ring a3 and an outer frame a4, one end of the sealing piece a1 is connected with the swinging plate a2 on the left side, the other end of the sealing piece a1 is fixedly connected with the swinging plate a2 on the right side in an embedded mode, the swinging plate a2 is connected with the outer frame a4 in a hinged mode through the restoring ring a3, downward extrusion force is generated on the swinging plate a2 through external mud, the swinging plate a2 can swing downwards, therefore the mud can be clamped into concave surfaces generated after the swinging of the swinging plates a2 on two sides, the sealing piece a1 is made of stainless steel with high toughness and can bend along with the downward swinging of the swinging plates a2 on two sides, and the situation that the mud enters the inner portion of the outer frame a4 through gaps between the swinging plates a2 on two sides is prevented.
The swing plate a2 comprises a movable plate a21, elastic pieces a22 and a bottom plate a23, the movable plate a21 is hinged to the bottom plate a23, the elastic pieces a22 are mounted between the movable plate a21 and the bottom plate a23, two movable plates a21 are arranged and evenly distributed on the upper surface of the bottom plate a23, and the movable plate a21 can incline to the right side under the extrusion of external soil through the downward swing of the mechanism.
Wherein, fly leaf a21 is including promoting piece b1, back tear strip b2, combination piece b3, promote piece b1 and combination piece b3 activity block, the inside that combines piece b3 is equipped with back tear strip b2, the upper surface that promotes piece b1 is arc structure, can slide left along combination piece b3 under the promotion of outside earth, back tear strip b2 and adopt the natural latex material that elasticity is stronger, can be when the thrust that promotes piece b1 loses outside earth, the pulling promotes piece b1 and carries out quick reset.
The detailed use method and action of the embodiment are as follows:
in the invention, because the grooving mechanism 3 at the front end of the machine body 2 takes out the cut soil through the concave surfaces between the mud cutters 34, and the soil around the lake is wet and easily contains clay with more moisture, so that when the grooving mechanism 3 performs grooving around the lake, the clay is easily adhered to the concave surfaces between the mud cutters 34, and the mud-proof mechanism 31 on the grooving mechanism 3 is matched with the sliding plate 32, the problems can be effectively solved, when the grooving mechanism 3 on the machine body 2 performs grooving on the soil around the lake, the sliding plate 32 can slide inwards along the mud cutters 34 through the thrust generated by the external soil on the sliding plate 32 on the grooving mechanism 3, so that the generated concave surfaces can take out the soil cut by the mud discharge mechanism 33, and the extrusion force generated by the external soil on the swing plate a2 on the mud-proof mechanism 31 is utilized, the swinging plate a2 can swing downwards, the sealing sheet a1 can prevent soil pressing the swinging plate a2 from entering the inner part of the outer frame a4, the soil cut by the mud discharging mechanism 33 can push the movable plate a21 on the swinging plate a2 to incline along the swinging direction of the swinging plate a2 by the downward swing of the swinging plate a2, so that the pushing block b1 with the upper surface in an arc structure can slide leftwards along the pulling strip b2, when the external soil pressing is lost, the movable plate a21 can be reset by the elastic sheet a22, a short-time gap can be generated between the soil on the left side of the movable plate 21 and the reset movable plate a21, therefore, the pulling strip b2 can pull the pushing block b1 to reset quickly, so that the pushing block b1 can loosen the soil adhered to the right side of the pulling strip b2, the contact area of the soil and the swinging plate a2 can be effectively reduced, and the soil adhered to be easily shaken off the surface of the cutter 34, the condition that the cut soil cannot be taken out continuously due to the fact that soil adheres to the concave surfaces between the mud cutting tools 34 is avoided.
Example 2
As shown in fig. 6-8:
the mud discharging mechanism 33 comprises a connecting plate c1, a supporting plate c2, a linkage plate c3 and an elastic sheet c4, the supporting plate c2 is installed between a connecting plate c1 and a linkage plate c3, the linkage plate c3 is hinged to the connecting plate c1, the elastic sheet c4 and the supporting plate c2 are of an integrated structure, the elastic sheet c4 is made of a memory metal material with strong restorability, and when mud is led out from the right side of the linkage plate c3, upward extrusion force can be generated on the linkage plate c3, so that the linkage plate c3 can swing upwards.
Wherein, linkage board c3 includes face c31, fender mud piece c32, reset ring c33, mud pushing plate c34, fender mud piece c32 installs between face c31 and mud pushing plate c34, mud pushing plate c34 passes through reset ring c33 and face c31 hinged joint, mud pushing plate c34 is the arc structure, and when earth passes through mud pushing plate c 34's surface, the thrust of earth to mud pushing plate c34 production through the process can make mud pushing plate c34 follow the direction that earth was discharged and slope to make the one side of perk can promote earth, be favorable to accelerating the discharge velocity of the interior earth of mechanism.
The mud pushing plate c34 comprises a bearing plate d1 and a mud pushing surface d2, the pulling strip b2 and the pushing block b1 are of an integrated structure, and the mud pushing surface d2 is of a triangular structure and can enhance the holding power of the mud.
The detailed use method and action of the embodiment are as follows:
in the invention, when the sliding plate 32 is extruded and descended by external soil, the extruded soil is easy to enter the joint of the sliding plate 32 and the mud cutter 34, so that the return spring piece 35 can not push the sliding plate 32 to normally reset, the problems can be effectively solved through the mud discharging mechanism 33 on the grooving mechanism 3, when the sliding plate 32 loses the extrusion of the external soil, the sliding plate 32 can push the soil in the joint of the mud discharging mechanism 33 and the sliding plate 32 out of the mud discharging mechanism 33 in the process of pushing the sliding plate 32 to ascend and reset by the return spring piece 35, the linkage plate c3 can swing upwards by the extrusion of the pushed soil on the linkage plate c3, the pushing force generated on the mud pushing plate c34 on the linkage plate c3 by the passing soil can enable the mud pushing plate c34 to incline along the direction of the soil discharge, so that the tilted side can push the soil, and can strengthen the power of grabbing to earth through pushing away mud face d2 on the mud pushing plate c34, thereby accelerate the internal earth's of mud discharging mechanism 33 discharge velocity, and can prevent through fender mud piece c32 that earth from getting into between mud pushing plate c34 and the face c31, thereby cause the influence to the normal swing of mud pushing plate c34, and through the cooperation of two mud discharging mechanisms 33, can effectually avoid earth to crowd the condition in the mud cutter 34 by the outside.
The technical solutions of the present invention or similar technical solutions designed by those skilled in the art based on the teachings of the technical solutions of the present invention are all within the scope of the present invention to achieve the above technical effects.

Claims (8)

1. The utility model provides a municipal works ditching machine, its structure is including operation handrail (1), organism (2), groover mechanism (3), removal wheel (4), operation handrail (1) is embedded in the upper end position of organism (2), remove wheel (4) and organism (2) activity block, drive end (5) are fixed in the rear end position of organism (2), its characterized in that: the grooving mechanism (3) is arranged at the front end of the machine body (2).
2. The municipal trench digging ditcher of claim 1, wherein: the grooving mechanism (3) comprises a mud-proof mechanism (31), a sliding plate (32), a mud discharging mechanism (33), a mud cutting tool (34) and a resilience piece (35), the mud-proof mechanism (31) and the sliding plate (32) are of an integrated structure, the sliding plate (32) is in clearance fit with the mud cutting tool (34), the mud discharging mechanism (33) is fixedly connected with the mud cutting tool (34) in an embedded mode, and the resilience piece (35) is installed at the inner position of the mud cutting tool (34).
3. The municipal trench digging ditcher of claim 2, wherein: the mud-proof mechanism (31) comprises a sealing piece (a1), a swinging plate (a2), a return ring (a3) and an outer frame (a4), one end of the sealing piece (a1) is connected with the swinging plate (a2) on the left side, the other end of the sealing piece (a1) is fixedly connected with the swinging plate (a2) on the right side in a embedding manner, and the swinging plate (a2) is connected with the outer frame (a4) in a hinged manner through the return ring (a 3).
4. The municipal trench digging ditcher of claim 3, wherein: the swing plate (a2) comprises a movable plate (a21), an elastic sheet (a22) and a bottom plate (a23), the movable plate (a21) is hinged with the bottom plate (a23), and the elastic sheet (a22) is installed between the movable plate (a21) and the bottom plate (a 23).
5. The municipal trench digging ditcher of claim 4, wherein: the movable plate (a21) comprises a pushing block (b1), a pulling strip (b2) and a combining block (b3), the pushing block (b1) is movably clamped with the combining block (b3), and the pulling strip (b2) is arranged inside the combining block (b 3).
6. The municipal trench digging ditcher of claim 2, wherein: arrange mud mechanism (33) including linking plate (c1), backup pad (c2), linkage board (c3), elastic sheet (c4), backup pad (c2) are installed between linking plate (c1) and linkage board (c3), linkage board (c3) and linking plate (c1) hinged joint, elastic sheet (c4) and backup pad (c2) are the integral structure.
7. The municipal trench digging ditcher of claim 6, wherein: the linkage plate (c3) comprises a plate surface (c31), mud blocking pieces (c32), a reset ring (c33) and a mud pushing plate (c34), wherein the mud blocking pieces (c32) are installed between the plate surface (c31) and the mud pushing plate (c34), and the mud pushing plate (c34) is hinged to the plate surface (c31) through the reset ring (c 33).
8. The municipal trench digging ditcher of claim 7, wherein: the mud pushing plate (c34) comprises a bearing plate (d1) and a mud pushing surface (d2), and the pull-back strip (b2) and the pushing block (b1) are of an integrated structure.
CN202010448033.8A 2020-05-25 2020-05-25 Municipal works ditching machine Withdrawn CN111576521A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202010448033.8A CN111576521A (en) 2020-05-25 2020-05-25 Municipal works ditching machine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202010448033.8A CN111576521A (en) 2020-05-25 2020-05-25 Municipal works ditching machine

Publications (1)

Publication Number Publication Date
CN111576521A true CN111576521A (en) 2020-08-25

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CN202010448033.8A Withdrawn CN111576521A (en) 2020-05-25 2020-05-25 Municipal works ditching machine

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112359695A (en) * 2020-11-09 2021-02-12 李朝恒 Road cementation of fissures device for municipal works

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20080283256A1 (en) * 2007-02-12 2008-11-20 Hall David R Rolling Assembly and Pick Assembly Mounted on a Trencher
CN201756717U (en) * 2010-06-04 2011-03-09 冯世英 A bucket of forklift and excavator
CN103088856A (en) * 2013-02-28 2013-05-08 愚公机械股份有限公司 Clay bucket for excavator
WO2016137379A1 (en) * 2015-02-23 2016-09-01 Husqvarna Ab Trench cutting machine
CN110056033A (en) * 2019-04-11 2019-07-26 程文帅 A kind of building yard gutter backactor

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20080283256A1 (en) * 2007-02-12 2008-11-20 Hall David R Rolling Assembly and Pick Assembly Mounted on a Trencher
CN201756717U (en) * 2010-06-04 2011-03-09 冯世英 A bucket of forklift and excavator
CN103088856A (en) * 2013-02-28 2013-05-08 愚公机械股份有限公司 Clay bucket for excavator
WO2016137379A1 (en) * 2015-02-23 2016-09-01 Husqvarna Ab Trench cutting machine
CN110056033A (en) * 2019-04-11 2019-07-26 程文帅 A kind of building yard gutter backactor

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112359695A (en) * 2020-11-09 2021-02-12 李朝恒 Road cementation of fissures device for municipal works

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Application publication date: 20200825

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