CN211172133U - Double-row-tooth wood grab bucket for excavator - Google Patents

Abstract

The utility model discloses a double tooth log grab bucket for excavator, the upper end of going up the log grab bucket is provided with the otic placode, the upper end of grabbing the log bucket down is provided with the otic placode, one side of excavator forearm is provided with and connects otic placode and connect the otic placode and articulate through the round pin axle and have a log grab bucket hydro-cylinder, the opposite side of excavator forearm is provided with that otic placode and otic placode articulate through the round pin axle have a log grab bucket hydro-cylinder down, the output of going up the log bucket hydro-cylinder passes through the rocking arm, the round pin hub connection has articulated connecting piece, articulated connecting piece is through the terminal hinge connection of round pin axle with the excavator forearm, the utility model discloses a be used for the excavator operation, snatch to timber specially, be applicable to arbitrary excavator, the installation is convenient simple, and it is convenient to transport, snatch.

Description

Double-row-tooth wood grab bucket for excavator

Technical Field

The utility model relates to an excavator technical field, specific double tooth log grab bucket for excavator that says so.

Background

An excavator, also called excavating machine, also called excavator, is an earth moving machine which excavates materials above or below a bearing surface by a bucket and loads the materials into a transport vehicle or unloads the materials to a stockyard, the materials excavated by the excavator mainly comprise soil, coal, silt and soil and rock after pre-loosening, from the development of engineering machines in recent years, the development of the excavator is relatively fast, the excavator becomes one of the most important engineering machines in engineering construction, and the excavator has three most important parameters: operating weight (mass), engine power and bucket capacity.

The excavator can deal with different operation demands by changing various attachments, wherein when corresponding to the loading and unloading operation of timber, the timber grab bucket to timber that does not have the special design just can't carry out high efficiency loading and unloading operation, under the normal condition, will concentrate after the timber is felled and transport then load and unload, transport each wood processing factory at last and carry out processing. The transportation and handling of the wood in these working processes is the most time and labor consuming and is also very difficult and inefficient, and sometimes the wood is stacked and not suitable for direct individual grasping, which is very inconvenient.

Therefore, design one kind for the excavator operation for overcoming above-mentioned technical deficiency, snatch to timber specially, be applicable to arbitrary excavator, the installation is convenient simple, transports the convenience, snatchs, propelling movement, holds up multi-functional switching, improves work efficiency's log grab bucket, is the problem that the inventor will solve.

SUMMERY OF THE UTILITY MODEL

The utility model aims at not enough to prior art, the utility model aims at providing a double tooth grab wooden fill for excavator can realize being used for the excavator operation, snatchs to timber specially, is applicable to arbitrary excavator, and the installation is convenient simple, transports the convenience, snatchs, propelling movement, holds up multi-functional switching, improves work efficiency's function.

The utility model provides a technical scheme that its technical problem adopted is: a double-row-tooth log grab bucket for an excavator comprises an upper log grab bucket oil cylinder, a rocker arm, a connecting rod, an upper log grab bucket, a lower log grab bucket and a lower log grab bucket oil cylinder, and also comprises an excavator forearm for mounting all components, wherein an ear plate is arranged at the upper end of the upper log grab bucket, an ear plate is arranged at the upper end of the lower log grab bucket, a connecting ear plate is arranged at one side of the excavator forearm and is hinged with the upper log grab bucket oil cylinder through a pin shaft, an ear plate is arranged at the other side of the excavator forearm and is hinged with the lower log grab bucket oil cylinder through a pin shaft, the output end of the upper log grab bucket oil cylinder is hinged with the tail end of the excavator forearm through the rocker arm and the pin shaft, the hinged connecting piece is hinged with the tail end of the excavator forearm through the pin shaft, the output end of the lower log grab bucket oil cylinder is hinged with the hinged connecting piece through the rocker arm and the pin shaft and the hinged with the tail, the output end of the upper wood grab bucket oil cylinder is hinged with an ear plate at the upper end of the upper wood grab bucket through a connecting rod and a pin shaft, the output end of the lower wood grab bucket oil cylinder is hinged with the ear plate at the upper end of the lower wood grab bucket through a pin shaft, the main body part of the upper wood grab bucket is provided with two hook structures which are bilaterally symmetrical, the circular arc directions of the two hook structures are opposite, the two hook edges of the two hook structures are overturned upwards, a plurality of bucket teeth are respectively installed on the two hook structures of the upper wood grab bucket, and the bucket teeth are distributed in parallel.

Furthermore, the arc direction of the lower wood grab bucket is opposite to the arc direction of one of the two claws of the upper wood grab bucket, and the upper wood grab bucket and the lower wood grab bucket move towards opposite directions when being folded.

Furthermore, the upper wood grab bucket and the lower wood grab bucket are oppositely combined and grab the log between the upper wood grab bucket and the lower wood grab bucket.

The utility model has the advantages that:

1. the utility model discloses a with the grab wood fill design into the excavator accessory, two grab wood fill design become special shapes to the log, go up the grab wood fill moreover and design into the structure that the two-sided bucket tooth that all has, both sides all kickup, be convenient for promote, hold up timber, dock fast with the forearm of excavator, realized being used for the excavator operation, snatch to timber specially, be applicable to arbitrary excavator, the installation is convenient simple, convenient for transport snatchs, the propelling movement, hold up multi-functional switching, improve work efficiency's function.

Drawings

Fig. 1 is a side view of the present invention in an open state.

Fig. 2 is a side view of the present invention in a closed state.

Fig. 3 is a schematic view of the grabbing operation state of the present invention.

Fig. 4 is a schematic view of the pushing or supporting operation state of the present invention.

Description of reference numerals: 1-excavator forearm; 2, installing a wood grab bucket oil cylinder; 3-a rocker arm; 4-a connecting rod; 5, mounting a grab bucket; 6-log; 7-lower grab bucket; 8-lower grab bucket oil cylinder.

Detailed Description

The invention will be further described with reference to specific examples, which are intended to be illustrative only and not to limit the scope of the invention. Furthermore, it should be understood that various changes and modifications of the present invention may be made by those skilled in the art after reading the teachings of the present invention, and such equivalents also fall within the scope of the appended claims.

The first embodiment is as follows:

referring to fig. 1 to 3, the utility model is a side view of an open state, a side view of a close state, a schematic view of a grabbing working state, a schematic view of a pushing or supporting working state, which comprises an upper wood grab bucket cylinder, a rocker arm, a connecting rod, an upper wood grab bucket, a lower wood grab bucket cylinder, and an excavator forearm for mounting each component, wherein the upper end of the upper wood grab bucket is provided with an ear plate, the upper end of the lower wood grab bucket is provided with an ear plate, one side of the excavator forearm is provided with a connecting ear plate, the connecting ear plate is hinged with the upper wood grab bucket cylinder through a pin shaft, the other side of the excavator forearm is provided with an ear plate, the ear plate is hinged with the lower wood grab bucket cylinder through a pin shaft, the output end of the upper wood grab bucket cylinder is connected with a hinged connecting piece through a rocker arm and a pin shaft, the hinged connecting piece is hinged with the tail end of the excavator forearm through a pin shaft, the output end of the lower wood grab bucket cylinder, the output end of the upper wood grab bucket oil cylinder is hinged with an ear plate at the upper end of the upper wood grab bucket through a connecting rod and a pin shaft, the output end of the lower wood grab bucket oil cylinder is hinged with the ear plate at the upper end of the lower wood grab bucket through a pin shaft, the main body part of the upper wood grab bucket is provided with two hook structures which are bilaterally symmetrical, the circular arc directions of the two hook structures are opposite, the two hook edges of the two hook structures are overturned upwards, a plurality of bucket teeth are respectively installed on the two hook structures of the upper wood grab bucket, and the bucket teeth are distributed in parallel.

The arc direction of the lower wood grab bucket is opposite to the arc direction of one of the two hooks of the upper wood grab bucket, and when the upper wood grab bucket and the lower wood grab bucket move towards the opposite direction, the upper wood grab bucket and the lower wood grab bucket are oppositely combined and grab the log between the upper wood grab bucket and the lower wood grab bucket.

Go up the log grab and all install the bucket tooth in the outside, can carry out the action of digging to the inboard and can carry out the action of outside propelling movement and holding up again, the log grab does not have the bucket tooth down, its main supplementary log grab presss from both sides tightly and locks timber, prevent that timber from droing, guarantee the safety of log grab work, go up the log grab, log grab coaxial coupling down, intermeshing, double tooth log grab structure passes through the rocking arm, the connecting rod converts the linear motion of hydro-cylinder into, thereby the circular motion of log grab realizes snatching and loading and unloading of material down, the snatching process is as follows:

① the upper grab bucket oil cylinder contracts, the upper grab bucket is driven to open through the rocker arm and the connecting rod, and the lower grab bucket opens under the action of the oil cylinder tension;

② stopping when the opening distance of the upper and lower grab buckets is larger than the diameter of the log to be grabbed, and operating the small arm of the excavator to adjust the position of the grab bucket so that the log is in the movement stroke of the grab bucket;

③, the upper and lower grab bucket cylinders extend by reverse operation, the upper and lower grab buckets are closed slowly to clamp the round timber, and other operations are performed after clamping is confirmed;

the placing process is opposite to the grabbing operation, and the wood can be easily assembled and disassembled by repeated operation.

Secondly, the outer side pushing and supporting process:

① adjusting the small arm of the excavator to a proper position, retracting the oil cylinder of the lower grab bucket to drive the lower grab bucket to retract, leaving enough space for the upper grab bucket to move;

② the upper grab bucket cylinder extends and drives the upper grab bucket to retract to a proper position through the rocker arm and the connecting rod;

③ contracting the upper grab bucket cylinder to bring the teeth of the upper grab bucket closer to the bottom of the log, if it is just to be simply sorted, it is only necessary to push the log to the proper position;

④ if the log is required to be stacked regularly, the oil cylinder of the upper grab bucket is required to be continuously contracted, the angle of the small arm of the excavator is adjusted to ensure that the log is completely arranged on the arc bearing surface outside the upper grab bucket through the dead weight, the oil cylinder is continuously contracted to ensure that the log is fixed on the outer side surface of the upper grab bucket, then the excavator is adjusted to convey the log to the stacking place, the oil cylinder is operated reversely to ensure that the log is stably arranged on a wood pile or a transport cart, and the stacking and the arranging of the log can be easily completed by repeating the.

The utility model discloses a double tooth grab wood fill structure, it is applicable in arbitrary excavator forearm front end, as long as calculate the thrust that needs the last grab wood fill of installation according to different tonnage excavator digging forces, and the configuration difference snatchs the radius and grab the upper and lower grab wood fill of mutually supporting, guarantee can press from both sides the timber tightly, mention or hold up can, this structure is convenient for manufacture, easy operation is safety again, can easily accomplish loading and unloading after the log felling high-efficiently, stack and regular work, greatly improve work efficiency, and the cost and the degree of difficulty of lumbering work have been reduced.

The utility model discloses a with the grab wood fill design into the excavator accessory, two grab wood fill design become special shapes to the log, go up the grab wood fill moreover and design into the structure that the two-sided bucket tooth that all has, both sides all kickup, be convenient for promote, hold up timber, dock fast with the forearm of excavator, realized being used for the excavator operation, snatch to timber specially, be applicable to arbitrary excavator, the installation is convenient simple, convenient for transport snatchs, the propelling movement, hold up multi-functional switching, improve work efficiency's function.

Claims (3)

1. The utility model provides a double tooth log grab bucket for excavator which characterized in that: the wood grab bucket comprises an upper wood grab bucket oil cylinder, a rocker arm, a connecting rod, an upper wood grab bucket, a lower wood grab bucket and a lower wood grab bucket oil cylinder, and further comprises an excavator forearm for installing each component, wherein an ear plate is arranged at the upper end of the upper wood grab bucket, an ear plate is arranged at the upper end of the lower wood grab bucket, a connecting ear plate is arranged at one side of the excavator forearm and hinged to the upper wood grab bucket oil cylinder through a pin shaft, an ear plate is arranged at the other side of the excavator forearm and hinged to the lower wood grab bucket oil cylinder through a pin shaft, the output end of the upper wood grab bucket oil cylinder is connected with a hinged connecting piece through the rocker arm and the pin shaft, the hinged connecting piece is hinged to the tail end of the excavator forearm through a pin shaft, the output end of the lower wood grab bucket oil cylinder is hinged to the hinged connecting piece through the rocker arm and the pin shaft, and hinged to the tail end of the excavator forearm through the hinged connecting piece, and, The hinge pin is hinged with an ear plate at the upper end of the upper grappling bucket, the output end of the lower grappling bucket oil cylinder is hinged with the ear plate at the upper end of the lower grappling bucket through the hinge pin, the main body part of the upper grappling bucket is provided with two hook structures which are bilaterally symmetrical, the arc directions of the two hook structures are opposite, the edges of the two hooks are turned upwards, the two hook structures of the upper grappling bucket are respectively provided with a plurality of bucket teeth, and the bucket teeth are distributed in parallel.

2. The double row tooth log grapple bucket for excavators of claim 1, wherein: the arc direction of the lower wood grab bucket is opposite to the arc direction of one of the two claws of the upper wood grab bucket, and the upper wood grab bucket and the lower wood grab bucket move towards opposite directions when being folded.

3. The double row tooth log grapple bucket for excavators of claim 1, wherein: the upper wood grab bucket and the lower wood grab bucket are oppositely combined and grab round wood between the upper wood grab bucket and the lower wood grab bucket.

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