WO2005055695A1 - Stone-picking scoop - Google Patents

Stone-picking scoop Download PDF

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Publication number
WO2005055695A1
WO2005055695A1 PCT/ES2004/000555 ES2004000555W WO2005055695A1 WO 2005055695 A1 WO2005055695 A1 WO 2005055695A1 ES 2004000555 W ES2004000555 W ES 2004000555W WO 2005055695 A1 WO2005055695 A1 WO 2005055695A1
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WO
WIPO (PCT)
Prior art keywords
shovel
frame
tires
rims
fastened
Prior art date
Application number
PCT/ES2004/000555
Other languages
Spanish (es)
French (fr)
Inventor
Felix Jimenez Eslava
Original Assignee
Felix Jimenez Eslava
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 Felix Jimenez Eslava filed Critical Felix Jimenez Eslava
Publication of WO2005055695A1 publication Critical patent/WO2005055695A1/en

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Classifications

    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01B—SOIL WORKING IN AGRICULTURE OR FORESTRY; PARTS, DETAILS, OR ACCESSORIES OF AGRICULTURAL MACHINES OR IMPLEMENTS, IN GENERAL
    • A01B43/00—Gatherers for removing stones, undesirable roots or the like from the soil, e.g. tractor-drawn rakes
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02F—DREDGING; SOIL-SHIFTING
    • E02F3/00—Dredgers; Soil-shifting machines
    • E02F3/04—Dredgers; Soil-shifting machines mechanically-driven
    • E02F3/28—Dredgers; Soil-shifting machines mechanically-driven with digging tools mounted on a dipper- or bucket-arm, i.e. there is either one arm or a pair of arms, e.g. dippers, buckets
    • E02F3/36—Component parts
    • E02F3/40—Dippers; Buckets ; Grab devices, e.g. manufacturing processes for buckets, form, geometry or material of buckets
    • E02F3/401—Buckets or forks comprising, for example, shock absorbers, supports or load striking scrapers to prevent overload

Definitions

  • the present invention is related to the function of cleaning land or sand by removing stones or other objects contained therein, proposing in this regard a shovel or bucket that can be attached to a backhoe and / or tractor, with the which can be done quickly and easily to collect stones and objects from the earth or sand.
  • a bucket or shovel that can be coupled to a backhoe and / or tractor of an agricultural or similar type is proposed, which has been developed with the concept of completely simple and functional constructional and functional characteristics. no proprietary mechanism requiring actuation.
  • This shovel object of the invention consists of a structure formed by a resistant frame, with respect to which a coupling hitch is attached to the implement-carrying system of a backhoe and / or tractor, a series of parallel wheels being detachable on said frame. they are left with certain spaces of separation between them.
  • the rims are arranged on the frame by means of screwed moorings, which allow dismantling for replacement if necessary, as well as to leave the desired number of said rims placed on the frame depending on the necessary separation between them according to the size of the stones or objects for which the shovel is intended to be effective.
  • a shovel is obtained, the bottom of which is determined by means of a rake, so that it can collect dirt or sand, allowing it to fall through the gaps in the spaces that separate the tires that form the bottom, and the stones whose size exceeds the width of the aforementioned tire gap spaces.
  • the rims extend beyond the front edge of the blade, incorporating at the end a point-shaped grating, which favors the insertion in the sand or soil of application for the practical function of the shovel.
  • the rims at the end of the rims are provided with inserts and fastened with screws, these rims determining a pointed shape at both ends, which allows a better useful use of them, since when their wear occurs at the end Active, they can be removed and reattached in the opposite position with the non-worn end facing the active front.
  • the tires are held by clamps or bolts, screwed, which avoids the weakening of the tires by holes in them for fastening.
  • the rims extend to only the front cross member of the shovel's structural frame, the cross member itself determining an incision edge in the ground or sand, either incorporating solitary punches protruding towards the front, or in the form of a blade without punches .
  • the aforementioned shovel object of the invention results from a constructive and functional embodiment with really advantageous characteristics, acquiring its own life and preferential character for the application for which it is intended.
  • Figure 1 shows in perspective an example of embodiment of the shovel recommended with protruding tires from the front.
  • Figures 2, 3 and 4 are respective corresponding views, in profile, in front elevation and in the upper plan, of the same front blade.
  • Figure 5 is a rear front view of the same blade.
  • Figure 6 is a perspective of another example of embodiment of the blade, with the tires limited in length without going out towards the front.
  • Figure 7 is a front view of the blade of the previous figure.
  • the object of the invention refers to a spoon or shovel destined to collect stones or other objects from masses of earth or sand, either in accumulations thereof for cleaning, or in extensions such as agricultural land or beaches.
  • Said recommended shovel consists of a structural frame (1), on which a hitch (2) is integrally incorporated for attachment coupling to a backhoe and / or load-bearing tractor, of the agricultural or similar type.
  • a series of wheels (3) are arranged, the number of which can be variable, which are fastened to the frame (1) by means of fasteners screwed, being arranged parallel from the back to the front, forming the bottom of the shovel, with some separations that make the bottom of the shovel turn out to be a rake.
  • the rims (3) are extended in the front part of the shovel by means of an arched extension, incorporating at the free end a rejon (4) that is arranged in support by screws (5), going the rims (3) fastened at their rear end by means of bolts (6) to tie on the frame (1), while at the front they are held by means of clamps or bolts (7) that tie them without the need for holes in them.
  • a shovel with a concavely curved front end is obtained, the edge of which is defined by the grilles (4) that are incorporated in the rims (3), thus determining a structure to penetrate the earth or sand and collect a quantity of said materials. that is sifted through the rims (3), so that stones or objects larger than the separation between the rims (3) are retained on them.
  • the arrangement of the fastening of the rims (3) allows their dismantling, which allows the replacement of any of them in case of breakage, while, in the same way, part of the rims (3) incorporated in the shovel, to determine a greater gap between them when it is convenient for the application use.
  • the screwed fastening of the bars (4) allows in turn, the dismantling of these for their replacement, being provided that said rejones (4) are configured with a tip at both ends, which makes it possible to take more advantage of their duration compared to wear, since when they wear out due to one end can be removed for reverse placement with the non-worn end facing the front.
  • the structure of the shovel can comprise some side walls (8) closing the ends of the sides, which provides greater effectiveness of retention of the objects that are collected with the shovel in its function of cleaning the land or sand, but does not constitute a limiting embodiment, since the blade can also go without the side walls (8) in the concept of structuring by means of rims (3) that form a lattice bottom.
  • the shovel can be formed according to the configuration of a bucket or bucket of conventional excavator shovels, such as in Figures 6 and 7, including as a bottom of the bucket or bucket a series of parallel wheels (3), which are in this case they are fastened by means of screwed ties (6) at both ends on the spoon-shaped structure or saucepan, without protruding towards the front.
  • the spoon or bucket-shaped structure can in this case be provided with tips (9) integral with the front edge, or it can determine a straight edge by way of a blade.

Landscapes

  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Soil Sciences (AREA)
  • Environmental Sciences (AREA)
  • Mining & Mineral Resources (AREA)
  • Civil Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Shovels (AREA)
  • Cleaning Of Streets, Tracks, Or Beaches (AREA)

Abstract

The invention relates to a stone-picking scoop comprising a structural frame (1). According to the invention, a series of bars (3) are removably fixed to the frame, with separation spaces disposed therebetween, such as to define a grille-type scoop base.

Description

PALA DESPEDREGADORA DESPEDREGADORA SHOVEL
Sector de la técnica La presente invención está relacionada con la función de limpieza de tierras o arenas mediante la eliminación de las piedras u otros objetos contenidos en ellas, proponiendo a tal respecto una pala o cuchara acoplable a una retroexcavadora y/o tractor, con la cual se puede realizar un trabajo sencillo y rápido para recoger las piedras y objetos de la tierra o arena.TECHNICAL FIELD The present invention is related to the function of cleaning land or sand by removing stones or other objects contained therein, proposing in this regard a shovel or bucket that can be attached to a backhoe and / or tractor, with the which can be done quickly and easily to collect stones and objects from the earth or sand.
Estado de la técnicaState of the art
La eliminación de las piedras y objetos de las masas acumuladas de tierra o arena, asi como de los lugares cubiertos con ellas, como pueden ser campos o playas, requiere una labor de selección que permita recoger las piedras y objetos a retirar, separándolos de la tierra o arena en donde se hallan contenidos.The removal of stones and objects from the accumulated masses of earth or sand, as well as the places covered with them, such as fields or beaches, requires a selection task that allows the stones and objects to be removed to be collected, separating them from the earth or sand where they are contained.
Se conocen para tal fin diferentes máquinas que permiten la retirada de piedras y otros objetos en terrenos agricolas y/o playas, como son por ejemplo las máquinas que se recogen en las Patentes EspañolasFor this purpose, different machines are known that allow the removal of stones and other objects on agricultural land and / or beaches, such as, for example, the machines included in the Spanish Patents.
464340, 8607677 y 8103233, entre otras.464340, 8607677 and 8103233, among others.
Todas esas máquinas se basan en conjuntos funcionales que requieren un accionamiento motriz, lo cual las hace de una realización compleja y complicada, además de su gran coste económico.All these machines are based on functional assemblies that require a motor drive, which makes them complex and complicated, in addition to their great economic cost.
Objeto de la invención Frente a las máquinas conocidas, de acuerdo con la presente invención se propone una cuchara o pala acoplable a una retroexcavadora y/o tractor de tipo agrícola o similar, la cual ha sido desarrollada en el concepto de unas características constructivas y funcionales totalmente sencillas y sin ningún mecanismo propio que requiera accionamiento.Object of the invention Compared to known machines, according to the present invention, a bucket or shovel that can be coupled to a backhoe and / or tractor of an agricultural or similar type is proposed, which has been developed with the concept of completely simple and functional constructional and functional characteristics. no proprietary mechanism requiring actuation.
Esta pala objeto de la invención consta de una estructura formada por un bastidor resistente, respecto del cual va solidario un enganche de acoplamiento al sistema portador de aperos de una retroexcavadora y/o tractor, yendo en sujeción desmontable sobre dicho bastidor una serie de llantas paralelas que quedan con unos ciertos espacios de separación entre ellas.This shovel object of the invention consists of a structure formed by a resistant frame, with respect to which a coupling hitch is attached to the implement-carrying system of a backhoe and / or tractor, a series of parallel wheels being detachable on said frame. they are left with certain spaces of separation between them.
Las llantas van dispuestas sobre el bastidor mediante amarres atornillados, lo cual permite el desmontaje para la sustitución en caso necesario, asi como para dejar colocadas sobre el bastidor el número que se desee de dichas llantas en función de la separación necesaria entre ellas de acuerdo con el tamaño de las piedras u objetos para los que se pretenda que la pala sea efectiva.The rims are arranged on the frame by means of screwed moorings, which allow dismantling for replacement if necessary, as well as to leave the desired number of said rims placed on the frame depending on the necessary separation between them according to the size of the stones or objects for which the shovel is intended to be effective.
Se obtiene asi una pala cuyo fondo determina a modo de un rastrillo, de modo que permite recoger tierra o arena, dejándola caer por los huecos de los espacios que separan a las llantas que forman el fondo, quedando retenidas en el interior de la pala las piedras cuyo tamaño supere la anchura de los mencionados espacios de separación de las llantas.In this way, a shovel is obtained, the bottom of which is determined by means of a rake, so that it can collect dirt or sand, allowing it to fall through the gaps in the spaces that separate the tires that form the bottom, and the stones whose size exceeds the width of the aforementioned tire gap spaces.
Según una realización las llantas se extienden hasta más allá del bode frontal de la pala, incorporando en el extremo un rejón configurado en punta, lo cual favorece la inserción en la arena o tierra de aplicación para la función práctica de la pala.According to one embodiment, the rims extend beyond the front edge of the blade, incorporating at the end a point-shaped grating, which favors the insertion in the sand or soil of application for the practical function of the shovel.
De un modo particular los rejones del extremo de las llantas se prevén postizos y sujetos con tornillos, determinando dichos rejones forma en punta por ambos extremos, lo cual permite un mejor aprovechamiento útil de los mismos, ya que cuando se produce su desgaste por el extremo activo, pueden desmontarse y volverse a incorporar en la posición contraria con el extremo no desgastado hacia el frente activo. Sobre la parte delantera del bastidor estructural de la pala las llantas se sujetan mediante abrazaderas o abarcones, atornillados, lo cual evita el debilitamiento de las llantas por orificios en ellas para la sujeción.In a particular way the rims at the end of the rims are provided with inserts and fastened with screws, these rims determining a pointed shape at both ends, which allows a better useful use of them, since when their wear occurs at the end Active, they can be removed and reattached in the opposite position with the non-worn end facing the active front. On the front part of the structural frame of the shovel the tires are held by clamps or bolts, screwed, which avoids the weakening of the tires by holes in them for fastening.
Según otra realización, las llantas se extienden hasta solo el travesano frontal del bastidor estructural de la pala, determinando el propio travesano un borde de incisión en la tierra o arena, bien incorporando punzones solidarios salientes hacia el frente, o en forma de cuchilla sin punzones.According to another embodiment, the rims extend to only the front cross member of the shovel's structural frame, the cross member itself determining an incision edge in the ground or sand, either incorporating solitary punches protruding towards the front, or in the form of a blade without punches .
Por todo ello la mencionada pala objeto de la invención resulta de una realización constructiva y funcional con unas características realmente ventajosas, adquiriendo vida propia y carácter preferente para la aplicación a la que se halla destinada.For all these reasons, the aforementioned shovel object of the invention results from a constructive and functional embodiment with really advantageous characteristics, acquiring its own life and preferential character for the application for which it is intended.
Descripción de las figuras La figura 1 muestra en perspectiva un ejemplo de realización de la pala preconizada con llantas salientes por la parte frontal. Las figuras 2, 3 y 4 son respectivas correspondientes vistas, de perfil, en alzado frontal y en planta superior, de la misma pala anterior.Description of the figures Figure 1 shows in perspective an example of embodiment of the shovel recommended with protruding tires from the front. Figures 2, 3 and 4 are respective corresponding views, in profile, in front elevation and in the upper plan, of the same front blade.
La figura 5 es una vista frontal posterior de la misma pala.Figure 5 is a rear front view of the same blade.
La figura 6 es una perspectiva de otro ejemplo de realización de la pala, con las llantas limitadas en su longitud sin salir hacia el frente.Figure 6 is a perspective of another example of embodiment of the blade, with the tires limited in length without going out towards the front.
La figura 7 es una vista frontal de la pala de la figura anterior.Figure 7 is a front view of the blade of the previous figure.
Descripción detallada de la invenciónDetailed description of the invention
El objeto de la invención se refiere a una cuchara o pala destinada para recoger piedras u otros objetos de masas de tierra o arena, ya sea en acumulaciones de las mismas para su limpieza, o en extensiones tales como terrenos agricolas o playas.The object of the invention refers to a spoon or shovel destined to collect stones or other objects from masses of earth or sand, either in accumulations thereof for cleaning, or in extensions such as agricultural land or beaches.
Dicha pala preconizada consta de un bastidor estructural (1), sobre el cual va solidariamente incorporado un enganche (2) para acoplamiento de sujeción a una retroexcavadora y/o tractor portante, de los de tipo agrícola o similar.Said recommended shovel consists of a structural frame (1), on which a hitch (2) is integrally incorporated for attachment coupling to a backhoe and / or load-bearing tractor, of the agricultural or similar type.
Sobre dicho bastidor (1) se disponen una serie de llantas (3), cuyo número puede ser variable, las cuales se sujetan en el bastidor (1) por medio de sujeciones atornilladas, quedando dispuestas paralelamente desde la parte posterior hacia la parte anterior formando el fondo de la pala, con unas separaciones que hacen que dicho fondo de la pala resulte a modo de un rastrillo.On said frame (1) a series of wheels (3) are arranged, the number of which can be variable, which are fastened to the frame (1) by means of fasteners screwed, being arranged parallel from the back to the front, forming the bottom of the shovel, with some separations that make the bottom of the shovel turn out to be a rake.
Según una realización (figuras 1 a 4) las llantas (3) se prolongan en la parte frontal de la pala mediante una extensión arqueada, incorporando en el extremo libre un rejón (4) que se dispone en sujeción mediante tornillos (5), yendo las llantas (3) sujetas en su extremo posterior mediante tornillos (6) de amarre sobre el bastidor (1), mientras que en la parte delantera se sujetan mediante unas abrazaderas o abarcones (7) que las amarran sin necesidad de orificios en ellas.According to an embodiment (Figures 1 to 4), the rims (3) are extended in the front part of the shovel by means of an arched extension, incorporating at the free end a rejon (4) that is arranged in support by screws (5), going the rims (3) fastened at their rear end by means of bolts (6) to tie on the frame (1), while at the front they are held by means of clamps or bolts (7) that tie them without the need for holes in them.
Se obtiene asi una pala de extremo frontal curvado en concavidad, cuyo borde queda definido por los rejones (4) que van incorporados en las llantas (3), determinando asi una estructura para penetrar en la tierra o arena y recoger una cantidad de dichos materiales que se criba por entre las llantas (3), de manera que las piedras u objetos de mayor tamaño que la separación entre las llantas (3) quedan retenidos sobre éstas.Thus, a shovel with a concavely curved front end is obtained, the edge of which is defined by the grilles (4) that are incorporated in the rims (3), thus determining a structure to penetrate the earth or sand and collect a quantity of said materials. that is sifted through the rims (3), so that stones or objects larger than the separation between the rims (3) are retained on them.
La disposición de la sujeción de las llantas (3) permite el desmontaje de las mismas, lo cual permite la sustitución de cualquiera de ellas en caso de rotura, en tanto que, de igual modo pueden desmontarse parte de las llantas (3) incorporadas en la pala, para determinar unos huecos mayores de separación entre ellas cuando ello convenga para el uso de aplicación. La sujeción atornillada de los rejones (4) permite a su vez el desmontaje de éstos para su sustitución, estando previsto que dichos rejones (4) se hallen configurados con punta por sus dos extremos, lo cual permite aprovechar más prolongadamente la duración de los mismos frente al desgaste, ya que cuando se desgastan por un extremo se pueden desmontar para colocarlos en posición inversa con el extremo no desgastado hacia el frente. La estructuración de la pala puede comprender unas paredes laterales (8) cerrando los extremos de los costados, lo cual proporciona mayor efectividad de retención de los objetos que se recogen con la pala en su función de limpieza de las tierras o arenas, pero no constituye una realización limitativa, ya que la pala puede ir igualmente sin las paredes laterales (8) en el concepto de la estructuración mediante llantas (3) que forman un fondo enrejado. Según una realización la pala puede formarse según la configuración de una cuchara o cazo de las palas excavadoras convencionales, tal como en las figuras 6 y 7, incluyendo como fondo de la cuchara o cazo una serie de llantas paralelas (3) , las cuales se sujetan en este caso mediante amarres atornillados (6) en los dos extremos sobre la estructura en forma de cuchara o cazo, sin sobresalir hacia el frente. La estructura en forma de cuchara o cazo puede en tal caso ir provista con puntas (9) solidarias en el borde frontal, o bien determinar un borde recto a modo de una cuchilla. The arrangement of the fastening of the rims (3) allows their dismantling, which allows the replacement of any of them in case of breakage, while, in the same way, part of the rims (3) incorporated in the shovel, to determine a greater gap between them when it is convenient for the application use. The screwed fastening of the bars (4) allows in turn, the dismantling of these for their replacement, being provided that said rejones (4) are configured with a tip at both ends, which makes it possible to take more advantage of their duration compared to wear, since when they wear out due to one end can be removed for reverse placement with the non-worn end facing the front. The structure of the shovel can comprise some side walls (8) closing the ends of the sides, which provides greater effectiveness of retention of the objects that are collected with the shovel in its function of cleaning the land or sand, but does not constitute a limiting embodiment, since the blade can also go without the side walls (8) in the concept of structuring by means of rims (3) that form a lattice bottom. According to an embodiment, the shovel can be formed according to the configuration of a bucket or bucket of conventional excavator shovels, such as in Figures 6 and 7, including as a bottom of the bucket or bucket a series of parallel wheels (3), which are in this case they are fastened by means of screwed ties (6) at both ends on the spoon-shaped structure or saucepan, without protruding towards the front. The spoon or bucket-shaped structure can in this case be provided with tips (9) integral with the front edge, or it can determine a straight edge by way of a blade.

Claims

REIVINDICACIONES
1.- Pala despedregadora, del tipo que determina un conjunto estructural acoplable a una retroexacavadora y/o tractor portante para su utilización, caracterizada en que consta de un bastidor estructural (1) , sobre el cual se incorporan una serie de llantas (3) que se sujetan de manera desmontable mediante amarres atornillados, disponiéndose dichas llantas paralelamente con espacios de separación entre ellas en determinación de un fondo de la pala enrejado.1.- Cleansing shovel, of the type that determines a structural assembly that can be coupled to a backhoe and / or supporting tractor for its use, characterized in that it consists of a structural frame (1), on which a series of tires (3) are incorporated. which are detachably fastened by means of bolted moorings, said tires being arranged in parallel with separation spaces between them in determining a bottom of the trellis.
2.- Pala despedregadora, en todo de acuerdo con la primera reivindicación, caracterizada en que las llantas (3) se extienden hasta más allá del borde frontal del bastidor (1), sujetándose en la parte posterior mediante atornillamientos (6) y sobre la parte delantera del bastidor (1) mediante abrazaderas o abarcones (7), con incorporación en el extremo de las llantas (3) de unos rejones (4) configurados en punta.2.- Cleansing blade, in all according to the first claim, characterized in that the tires (3) extend to beyond the front edge of the frame (1), being fastened at the rear by means of screwings (6) and on the front part of the frame (1) by means of clamps or rods (7), with incorporation at the end of the rims (3) of grilles (4) configured in tip.
3.- Pala despedregadora, en todo de acuerdo con la segunda reivindicación, caracterizada en que los rejones (4), se sujetan sobre las llantas (3) mediante amarres atornillados (5) con posibilidad de desmontaje, configurándose dichos rejones (4) en punta por ambos extremos, pudiendo invertirse su posición en el montaje. 3.- Cleansing shovel, in all according to the second claim, characterized in that the grilles (4), are fastened on the tires (3) by means of bolted ties (5) with the possibility of disassembly, said grilles (4) being configured in tip at both ends, being able to reverse its position in the assembly.
4.- Pala despedregadora, en todo de acuerdo con la primera reivindicación, caracterizada en que las llantas (3) se incorporan entre la parte posterior y la parte delantera del bastidor (1), en donde se sujetan mediante amarres atornillados (6) . 4.- Cleanser blade, in all according to the first claim, characterized in that the tires (3) are incorporated between the rear and the front part of the frame (1), where they are fastened by means of bolted ties (6).
PCT/ES2004/000555 2003-12-15 2004-12-14 Stone-picking scoop WO2005055695A1 (en)

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CN106284471A (en) * 2016-10-21 2017-01-04 柳州凡科技有限公司 A kind of multifunctional farm implements excavator grab equipment
CN108738410A (en) * 2018-05-11 2018-11-06 贵州务川国韵生态农业有限公司 A kind of wormwood plantation equipment

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US2888082A (en) * 1955-11-23 1959-05-26 Caldwell Kenneth Stone picker rake
US3556223A (en) * 1968-06-03 1971-01-19 Bridgport Implement Works Inc Stone picker and turf maintenance machine
ES430266A1 (en) * 1974-09-20 1976-10-16 Pradas Aznar Improvements in self-charging depregrading machines. (Machine-translation by Google Translate, not legally binding)
FR2669658A1 (en) * 1990-11-26 1992-05-29 Plaisance Jean Marie Rake for clearing undergrowth, in particular for public works machines

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20140311655A1 (en) * 2011-11-10 2014-10-23 Pirelli Tyre S.P.A. Process and plant for manufacturing mutually different tyres
US10201945B2 (en) * 2011-11-10 2019-02-12 Pirelli Tyre S.P.A. Process and plant for manufacturing mutually different tyres
CN106284471A (en) * 2016-10-21 2017-01-04 柳州凡科技有限公司 A kind of multifunctional farm implements excavator grab equipment
CN108738410A (en) * 2018-05-11 2018-11-06 贵州务川国韵生态农业有限公司 A kind of wormwood plantation equipment

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