CN210315728U - Trench cleaning accessory for excavator - Google Patents

Abstract

The utility model discloses a trench cleaning accessory for an excavator, wherein the trench is covered by a cover plate, the cover plate needs to be moved firstly during cleaning, and the cover plate needs to be reset after cleaning, and the trench cleaning accessory comprises a digging spoon, a connecting part and a cover plate gripper; the digging spoon is used for digging sundries; the connecting part is positioned above the digging spoon and is used for connecting the digging spoon with the excavator; the excavator controls the digging spoon to operate and move the digging spoon through the connecting part; the cover plate gripper is positioned between the digging spoon and the connecting part, is fixedly connected with the digging spoon and the connecting part respectively, and is used for gripping the cover plate. The utility model discloses a trench cleaning belongs to and makes the excavator accessible control trench cleaning accessory can accomplish the work of moving the apron and clearing the trench, avoids using multiple instrument to carry out the conversion and the linking of work, uses manpower sparingly and material resources, improves the operating efficiency; in addition, compared with the method that the steel wire rope is used for pulling up the cover plate, the method is safer.

Description

Trench cleaning accessory for excavator

Technical Field

The utility model belongs to the technical field of the clearance instrument of trench, specifically speaking relates to a trench clearance accessory for excavator.

Background

The trench generally comprises an open trench and a closed trench, and is used for ensuring that goods of social roads and enterprises are prevented from being flooded by water and flood disasters. The open ditch is a drainage ditch formed by excavated open ditch channels, is covered by a cover plate and is used for rapidly guiding ground water and rainwater to a sewer nearby so as to ensure that water is not accumulated on a field or a road in a flood season. The open trench is in a semi-open form, so that sludge or impurities are easily blocked, and therefore the open trench needs to be cleaned frequently. The work of cleaning up the silt or debris in the open ditch is very tedious. A crane or a forklift is required, a loader is required, and an excavator is required; a worker hooks a crane or a forklift on a cover plate; then, a crane or a forklift is lifted to lift the cover plates, and then the cover plates are removed, and repeated operation can be carried out once to remove a plurality of cover plates; then digging out sundries in the ditch by using a digging spoon (or directly putting workers down the ditch to clean the sundries) and putting the sundries into a loader bucket; finally, the worker hooks the hangers arranged on the crane or the forklift one by one on the cover plate to put the cover plate back on the trench. The connection between the lifting hook on the crane or the forklift and the cover plate is usually through a steel wire, the connection is flexible, and the operation danger is high because workers need to use crowbars to assist in the process of lifting and placing the cover plate.

Disclosure of Invention

The utility model provides a trench cleaning accessory for an excavator, which saves manpower, material resources and cost; and improve the operation efficiency and the operation safety.

In order to solve the technical problem, the utility model discloses a following technical scheme realizes:

a trench cleaning accessory for an excavator is characterized in that a trench is covered by a cover plate, the cover plate needs to be moved firstly during cleaning, and the cover plate needs to be reset after cleaning, and comprises a digging spoon, a connecting part and a cover plate gripper; the digging spoon is used for digging materials; the connecting part is positioned above the digging spoon and is used for connecting the digging spoon with the excavator; the excavator controls the digging spoon to operate and move the digging spoon through the connecting part; the cover plate gripper is positioned between the digging spoon and the connecting part, is fixedly connected with the digging spoon and the connecting part respectively, and is used for gripping the cover plate.

As a specific mechanism design of the trench cleaning accessory, the cover plate gripper comprises a U-shaped groove which comprises a first groove wall, a second groove wall, a groove opening and a groove bottom; the scoop comprises a scoop mouth; the notch and the spoon opening are in the same direction; the first groove wall is fixedly connected with the connecting part; the second groove wall is fixedly connected with the digging spoon.

Furthermore, the cover plate gripper also comprises a fastening device which is fixedly connected with the U-shaped groove; when the cover plate is positioned in the U-shaped groove, the fastening device can fix the cover plate in the U-shaped groove, and when the cover plate moves to a designated position, the fixed connection between the cover plate and the U-shaped groove can be loosened to place the cover plate.

Preferably, the fastening device comprises a hydraulic oil cylinder and a fastening plate; the hydraulic oil cylinder comprises a cylinder body and a piston rod; the cylinder body is positioned above the U-shaped groove and is fixedly connected with the first groove wall; a first through hole is formed in the first groove wall; the tail end of the piston rod penetrates through the first through hole to be fixedly connected with the fastening plate; the fastening plate is located on the inner side of the first groove wall, and when the piston rod extends out, the fastening plate presses the cover plate on the second groove wall.

In order to maximize the contact surface between the fastening plate and the cover plate and avoid local concentrated stress on the connection of the piston rod and the fastening piece, the tail end of the piston rod is arranged to be spherical or partially spherical; the upside of mounting plate correspond be provided with the terminal spherical groove of connection adaptation of piston rod, the end of piston rod is installed in the spherical groove.

Preferably, a plurality of fixing lugs are arranged on the outer side of the cylinder body; a second through hole is arranged on the first through hole; threaded holes are formed in the outer side of the first groove wall and the periphery of the first through hole and correspond to the positions of the second through holes; the cylinder body and the first groove wall are fixedly connected through the second through hole and the threaded hole through bolts.

In order to enable the hydraulic oil cylinder to be easier to position and more stable to connect, the first through hole is a step hole and comprises a first hole and a second hole; the first hole is positioned above the second hole; the first hole is matched with the cylinder body in an installing mode, and the cylinder body part is located in the first hole; the second hole is matched with the piston rod in an installation mode, and the piston rod penetrates through the second hole.

In order to avoid the cover plate from colliding with the fastening plate when entering the U-shaped groove, the inner side of the first groove wall is provided with a groove, and the shape and the size of the groove are matched with those of the fastening plate in an installing manner; when the piston rod is not extended, all or part of the fastening plate is positioned in the groove.

In order to increase the friction between the inner side surface of the second groove wall and the cover plate and avoid damaging the cover plate, the groove structure also comprises a polymer lining which is arranged on the inner side surfaces of the second groove wall and the groove bottom.

In order to guide the cover plate when the cover plate enters the U-shaped groove and avoid damaging the cover plate, the inner sides of the tail ends of the first groove wall and the second groove wall are provided with round corners.

Compared with the prior art, the utility model discloses an advantage is with positive effect: the utility model discloses a trench cleaning accessory for excavator includes ladle and apron tongs, makes the excavator accessible control trench cleaning accessory can accomplish the work of moving the apron and cleaning the trench, avoids using multiple instrument to carry out the conversion and the linking of work, uses manpower sparingly and material resources, improves the operating efficiency; in addition, compared with the method that the steel wire rope is used for pulling up the cover plate, the method is safer.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the embodiments are briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

Fig. 1 is a schematic view of an embodiment of a trench cleaning accessory for an excavator according to the present invention applied to an excavator;

FIG. 2 is a front view of an embodiment of a trench cleaning accessory for an excavator in accordance with the present invention;

FIG. 3 is a sectional view taken along line A of the trench cleaning accessory of FIG. 2;

fig. 4 is an enlarged view at B in fig. 3.

In the figure, the position of the upper end of the main shaft,

1. a trench cleaning accessory; 2. an excavator; 3. a cover plate; 11. digging a spoon; 12. a cover plate gripper; 13. a connecting portion; 14. a hydraulic cylinder; 15. a fastening plate; 16. a bolt; 111. a spoon mouth; 121. a first slot wall; 122. a second slot wall; 123. a notch; 124. a first through hole; 125. a groove; 126. the bottom of the tank; 131. a first connection hole; 132. a second connection hole; 141. a cylinder body; 142. a piston rod; 143. fixing the ear; 151. a spherical groove; 1211. a threaded hole; 1241. a first hole; 1242. a second hole; 1431. a second via.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.

Referring to fig. 1, 2 and 3, the utility model discloses a trench cleaning accessory for excavator is used for clearing up debris or silt in the trench that has apron 3 to cover, and it includes ladle 11, apron tongs 12, connecting portion 13. The scoop 11 is connected to the excavator 2 through a connecting part 13, and the operation of the scoop is controlled by the excavator 2; the cover plate gripper 12 is used for moving the cover plate 3 away before cleaning the trench, is positioned between the digging spoon 11 and the connecting part 13, and is fixedly connected with the connecting part 13 and the digging spoon 11 respectively; the digging spoon 11 is used for digging materials and controlling the materials to be poured into the transportation machine through the digging machine 2. The utility model discloses a trench cleaning accessory is applied to excavator 2, can realize that apron 3 moves, clearance trench, debris loading operation through excavator 2 control, does not need or need less artifical supplementary, and only need an excavator 2 and transport machinery respectively can, use manpower sparingly, material resources, great reduction trench daily maintenance's cost; the excavator 2 works continuously, intermediate link conversion is not needed, and the working efficiency is greatly improved; in addition, compared with the traditional method that the cover plate 3 is pulled up and then manually or mechanically moved by a method that a steel wire rope is connected with a connecting ring on the cover plate 3, the method has no potential safety hazard after the steel wire rope flexible part is stressed, and the operation safety is improved.

The following describes in detail the trench cleaning accessory for an excavator according to the present invention with reference to specific embodiments.

In one embodiment, referring to fig. 1, 2 and 3, the lid panel grip 12 includes a U-shaped channel, a fastening means. The U-shaped groove includes a first groove wall 121, a second groove wall 122, a notch 123, and a groove bottom 126. Scoop 11 includes scoop port 111. The notch 123 is in the same direction as the scoop opening 111. The first groove wall 121 is fixedly connected with the connecting part 13, and the second groove wall 122 is fixedly connected with the scoop 11. The connection portion 13 includes first and second connection holes 131 and 132 arranged in the front-rear direction. The excavator 2 includes a boom and a control cylinder. The first connecting holes 131 and the second connecting holes 132 are hinged with the tail end of the large arm and one end of the control oil cylinder in a one-to-one correspondence mode, and the operation action of the trench cleaning accessory 1 is controlled through the expansion and contraction of the control oil cylinder. Preferably, the connecting portion 13 is groove-shaped in the front-rear direction, which includes two groove walls. Two first connection holes 131 and two second connection holes 132 having the same diameter and being concentric are formed in the two groove walls. The fastening device is connected with the U-shaped groove, when the cover plate 3 is moved, the excavator 2 controls the action of the trench cleaning accessory 1 to enable the cover plate 3 to enter the U-shaped groove, and the fastening device fixes the cover plate 3 in the U-shaped groove. Preferably, the fastening device comprises a hydraulic oil cylinder 14 and a fastening plate 15; the hydraulic oil cylinder 14 comprises a cylinder body 141 and a piston rod 142; the first groove wall 121 includes a first through hole 124; the cylinder body 141 is fixedly connected with the first groove wall 121; the end of the piston rod 142 passes through the first through hole 124 to be connected to the fastening plate 15, and the fastening plate 15 is located inside the first groove wall 121. When the cover plate 3 is moved, the excavator 2 controls the trench cleaning accessory 1 to move so that the cover plate 3 horizontally enters the U-shaped groove from the notch 123, the piston rod 142 extends out, and the fastening plate 15 is pushed to press one side of the cover plate 3 to be tightly pressed on the second groove wall 122, so that the cover plate is fixed in the U-shaped groove; then, the excavator 2 controls the trench cleaning accessory 1 to move, pulls up the cover plate 3 to move, and vertically places the cover plate at a designated position. The cover plate 3 is vertically placed to prevent the side surface of the cover plate 3 below from contacting the ground to pollute the ground; and the cover plate 3 can be clamped again more easily when the excavator 2 resets the cover plate 3 after the trench is cleaned. In order to fix the cover plate 3 more firmly in the U-shaped groove and prevent the cover plate 3 from being damaged by the hard material of the U-shaped groove, the cover plate handle 12 further includes a polymer lining disposed on the inner side of the second groove wall 122 and the inner side of the groove bottom 126, so as to increase the friction between the cover plate handle 12 and the cover plate 3 and prevent the cover plate 3 from being damaged. Preferably, the side of the fastening plate 15 facing the inner side of the second groove wall 122 is provided with a rough surface to increase the friction force between it and the cover plate 3. In addition, the fastening plate 15 may be hinged to the end of the piston rod 142, or may be fixedly connected to the end of the piston rod 142. Preferably, the fastening plate 15 is hinged to the end of the piston rod 142. Specifically, the end of the piston rod 142 is provided with a spherical shape or a partial spherical shape; the upper side of the first groove wall 121 is provided with a spherical groove 151 which is connected and matched with the tail end of the piston rod 142; the end of the piston rod 142 is fitted into the spherical groove 151. The spherical connection enables the fastening plate 15 to be in contact with the cover plate 3, and the contact angle between the fastening plate and the cover plate 3 can be adjusted when the fastening plate is in contact with the cover plate 3, so that the contact surface between the fastening plate and the cover plate 3 is the largest; in addition, the spherical connection maximizes the acting surface between the end of the piston rod 142 and the fastening plate 15, preventing the piston rod 142 or the fastening plate 15 from being locally stressed in a concentrated manner, damaging the cover plate gripper 12.

Referring to fig. 3, the first through hole 124 is a stepped hole, and includes a first hole 1241 and a second hole 1242; the first hole 1241 is positioned above the second hole 1242, the first hole 1241 is fitted with the outer diameter of the cylinder 141, and the cylinder 141 is partially positioned in the first hole 1241; the second hole 1242 is fitted with the piston rod 142, and the piston rod 142 passes through the second hole 1242. The stepped bore allows for easier positioning of the hydraulic ram 14 installation and a more secure connection. In order to prevent the cover plate 3 from being blocked by the fastening plate 15 when entering the U-shaped groove, a groove 125 is provided on the inner side of the first groove wall 121, which is adapted to the shape and size of the fastening plate 15. When the piston rod 142 is not extended, the fastening plate 15 is located in the groove 125. In addition, in order to make the cover plate 3 have guidance when entering the U-shaped groove, the inner sides of the ends of the first groove wall 121 and the second groove wall 122 are rounded, and the rounded corners are arranged to avoid damaging the cover plate 3 during the operation.

Referring to fig. 3, preferably, the hydraulic cylinder 14 is fixedly connected to the first groove wall 121 by bolts 16, specifically, a plurality of fixing lugs 143 are provided on the outer side of the cylinder body 141, and each fixing lug 143 is provided with a second through hole 1431; a screw hole 1211 is provided around the first through hole 124 at a position corresponding to each second through hole 1431; the bolt 16 passes through the second through hole 1431 and is screwed into the screw hole 1211 to fixedly connect the cylinder body 141 to the first groove wall 121.

Referring to fig. 2 and 3, the connecting portion 13, the U-shaped groove, and the scoop 11 are preferably manufactured by integral molding.

In one embodiment, referring to fig. 1, 2 and 3, the lid grab 12 includes a U-shaped slot including a first slot wall 121, a second slot wall 122, a notch 123, and a slot bottom 126. Scoop 11 includes scoop port 111. The notch 123 is in the same direction as the scoop opening 111, and the first slot wall 121 is fixedly connected to the connecting portion 13, and the second slot wall 122 is fixedly connected to the scoop 11. The connection portion 13 is provided with first and second connection holes 131 and 132 in the front-rear direction, respectively. The excavator 2 comprises a big arm and a control cylinder, the first connecting hole 131 and the second connecting hole 132 are respectively connected with the tail end of the big arm and one end of the control cylinder, and the operation action of the trench cleaning accessory 1 is controlled by controlling the cylinder to stretch and contract. During operation, the digging spoon 11 is positioned below the cover plate gripper 12, and the cover plate gripper 12 is transversely arranged; the first slot wall 121 is located above and the second slot wall 122 is located below; the cover plate 3 enters the U-shaped groove from the notch 123 under the control of the excavator 2, the cover plate 3 is pulled up and then horizontally moved to a specified position or the notch 123 is slightly upwards retracted to move the cover plate 3 to the specified position; the digging spoon 11 is controlled by the excavator 2 to clean the trench. Preferably, the connecting portion 13, the U-shaped groove and the scoop 11 are manufactured by integral molding. The utility model discloses a trench clearance accessory 1 includes apron tongs 12 and the scoop 11 by 2 controls of excavator, makes it have and moves apron 3 and clearance trench dual function, reduces the operating cost, improves the operating efficiency, increases the security.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the present application, unless expressly stated or limited otherwise, the first feature may be directly on or directly under the second feature or indirectly via intermediate members. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.

Although embodiments of the present invention have been shown and described, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art without departing from the scope of the present invention.

Claims (10)

1. A trench cleaning accessory for an excavator, the trench being covered by a cover plate, the cover plate being required to be moved first during cleaning and to be reset after cleaning, comprising:

the digging spoon is used for digging and containing materials;

a connecting part which is positioned above the digging spoon and connects the digging spoon and the excavator; the excavator controls the digging spoon to operate and move the digging spoon through the connecting part;

and the cover plate gripper is positioned between the digging spoon and the connecting part, is respectively and fixedly connected with the digging spoon and the connecting part, and is used for gripping the cover plate.

2. The trench-cleaning accessory of claim 1, wherein the cover grip includes a U-shaped slot including a first slot wall, a second slot wall, a slot opening, a slot bottom; the scoop comprises a scoop mouth; the notch and the spoon opening are in the same direction; the first groove wall is fixedly connected with the connecting part; the second groove wall is fixedly connected with the digging spoon.

3. The trench-clearing attachment of claim 2 wherein the cover grip further comprises a fastening device fixedly connected to the U-shaped channel; when the cover plate is positioned in the U-shaped groove, the fastening device can fix the cover plate in the U-shaped groove, and when the cover plate moves to a designated position, the fixed connection between the cover plate and the U-shaped groove can be loosened to place the cover plate.

4. A trench-cleaning accessory as claimed in claim 3, wherein the fastening means comprises a hydraulic ram, a fastening plate; the hydraulic oil cylinder comprises a cylinder body and a piston rod; the cylinder body is positioned above the U-shaped groove and is fixedly connected with the first groove wall; a first through hole is formed in the first groove wall; the tail end of the piston rod penetrates through the first through hole to be connected with the fastening plate; the fastening plate is located on the inner side of the first groove wall, and when the piston rod extends out, the fastening plate presses the cover plate on the second groove wall.

5. The trench cleaning accessory of claim 4, wherein the distal end of the piston rod is provided in a spherical or partially spherical shape; the upside of mounting plate correspond be provided with the terminal spherical groove of connection adaptation of piston rod, the end of piston rod is installed in the spherical groove.

6. The trench cleaning accessory of claim 5, wherein a plurality of fixing lugs are provided on an outer side of the cylinder body; a second through hole is arranged on the first through hole; threaded holes are formed in the outer side of the first groove wall and the periphery of the first through hole and correspond to the positions of the second through holes; the cylinder body and the first groove wall are fixedly connected through the second through hole and the threaded hole through bolts.

7. The trench cleaning accessory of claim 6, wherein the first through-hole is a stepped hole comprising a first hole, a second hole; the first hole is positioned above the second hole; the first hole is matched with the cylinder body in an installing mode, and the cylinder body part is located in the first hole; the second hole is matched with the piston rod in an installation mode, and the piston rod penetrates through the second hole.

8. The trench-clearing accessory of claim 4, wherein the inner side of the first groove wall is provided with a groove having a shape and size fitting the shape and size of the fastening plate; when the piston rod is not extended, all or part of the fastening plate is positioned in the groove.

9. The trench-cleaning accessory of any one of claims 2 to 8, further comprising a polymer lining disposed on an inner side of the second slot wall and the slot bottom.

10. The trench-cleaning accessory of claim 9, wherein an inner side of the distal ends of the first and second slot walls is provided with a rounded corner.

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