CN211057892U

CN211057892U - Double-arm shoveling and digging device

Info

Publication number: CN211057892U
Application number: CN201921658140.2U
Authority: CN
Inventors: 陈剑平; 汤鸿飞
Original assignee: Hunan Qisi Environmental Protection Equipment Manufacturing Co ltd
Current assignee: Hunan Qisi Environmental Protection Equipment Manufacturing Co ltd
Priority date: 2019-09-30
Filing date: 2019-09-30
Publication date: 2020-07-21
Anticipated expiration: 2029-09-30

Abstract

The utility model relates to a double-arm shoveling and digging device, which comprises two parallel cantilevers, wherein the two cantilevers are respectively provided with a first end and a second end which are opposite, and the first end is used for fixing the cantilevers; the two ends of the bucket are respectively connected with the second ends of the two cantilevers, and the bucket rotates around the cantilevers; and the angle adjusting mechanism is connected with the bucket and the cantilever and used for adjusting the rotating angle of the bucket. The utility model provides a both arms shovel digs device, can realize the needs of shoveling fast, simultaneously can be at the arm length within range internal rotation of back arm and accomplish shovel and dig the work, when the operation space is less, the scraper bowl can realize the work of feeding and unloading in the arm length is radial region afterwards, it is comparatively thorough to feed, it is cleaner to unload, and simultaneously, be provided with displacement sensor among a plurality of hydraulic cylinder, thereby realize automatic work, reduce operator's the control degree of difficulty, the operation under the special environment of satisfaction that can be fine, better market using value has.

Description

Double-arm shoveling and digging device

Technical Field

The utility model relates to an engineering machine tool field especially relates to a both arms shovel digs device.

Background

The loader is a mechanical device widely applied to the field of engineering construction, adopts modes of shoveling, digging, loading, unloading and the like to transport materials, can carry out slight shoveling and digging operation on ores, hard soil and the like, can play an active role in the fields of engineering construction and disaster resistance and emergency rescue, can assist other engineering machines to realize functions such as pushing, hauling and the like, and has the advantages of quick operation, high efficiency, good maneuverability, light operation and the like in use.

The whole working device is hinged on the frame, and the bucket is hinged with the rotary bucket oil cylinder through the connecting rod and the rocker arm and used for loading and unloading materials; the movable arm is hinged with the frame and the movable arm oil cylinder and used for lifting the bucket.

At present common loader, the upset and the lift of scraper bowl need be accomplished in spacious place, and it is big to occupy the operating space, can't deal with the demand of accomplishing the loading and unloading in the narrow and small region in space, and simultaneously, traditional loader has loading thoroughly with the in-process of unloading, the problem of unloading unclean, and the inconvenient part that these problems brought under special operational environment can be more outstanding.

SUMMERY OF THE UTILITY MODEL

Aiming at the problems that the traditional loader is not thorough in loading and discharging and cannot completely discharge and the problem that the traditional loader cannot meet the operation in a narrow space, the double-arm shoveling and digging device is needed to be provided.

The application provides a double-arm shoveling and digging device, which comprises two parallel cantilevers, wherein the two cantilevers are respectively provided with a first end and a second end which are opposite, and the first end is used for fixing the cantilevers; the two ends of the bucket are respectively connected with the second ends of the two cantilevers, and the bucket rotates around the cantilevers; the angle adjusting mechanism is connected with the bucket and the cantilever and used for adjusting the rotating angle of the bucket.

Further, the angle adjustment mechanism includes a crank rotatably connecting the bucket and the boom, and a link plate rotatably connecting the crank and the boom.

Further, the crank comprises a first crank rod and a second crank rod, one end of the first crank rod is rotatably connected with the cantilever, the other end of the first crank rod is hinged with the second crank rod, and two ends of the second crank rod are respectively connected with the bucket and the connecting plate.

Further, the connecting plate includes the triangle connecting plate, the first summit of triangle connecting plate rotationally connects the cantilever, the second summit of triangle connecting plate with the knee-lever is articulated to be connected.

Furthermore, the third vertex of the triangular connecting plate is connected with the cantilever through a first hydraulic oil cylinder.

Further, the first end of cantilever includes the forearm, the second end of cantilever includes the postbrachium, the forearm with the postbrachium is rotated and is connected, the forearm with still be equipped with the second hydraulic cylinder between the postbrachium, the second hydraulic cylinder is used for the drive the forearm for the postbrachium rotates and supports the forearm.

Further, the end of the forearm includes a first connection point, and the bucket is connected to and rotates about the first connection point.

Further, the front arm comprises a second connecting point and a third connecting point, the crank is connected with the second connecting point, the connecting plate is connected with the third connecting point, and the connecting plate is connected with the front arm through a first hydraulic oil cylinder.

Furthermore, the double-arm shoveling and digging device further comprises a support, wherein the support is used for fixedly supporting the rear arm and enabling the rear arm to rotate around a supporting point, a third hydraulic oil cylinder is further arranged between the rear arm and the support, and the third hydraulic oil cylinder drives the rear arm to rotate relative to the support and support the rear arm.

Furthermore, the double-arm shoveling and digging device further comprises a control system, wherein the control system detects a displacement sensor and controls the movement of at least one of the first hydraulic oil cylinder, the second hydraulic oil cylinder and the third hydraulic oil cylinder.

The double-arm shoveling and digging device can complete synchronous work of double-arm shoveling and digging, so that the requirement of quick shoveling and digging is met, meanwhile, according to the technical scheme provided by the application, the bucket can rotate in a small range and can complete unloading function at the same time of rotation, automatic loading and automatic unloading can be achieved simultaneously, loading is thorough, and unloading is cleaner; in addition, displacement sensors are arranged in the hydraulic oil cylinders, so that the rotary automatic work is realized, the control difficulty of an operator is reduced, the operation in a special environment can be well met, and the hydraulic oil cylinder has better market application value.

Various specific structures of the present application, as well as the functions and effects thereof, will be described in further detail below with reference to the accompanying drawings.

Drawings

FIG. 1 is a perspective view of a dual arm shoveling device according to one embodiment of the present application;

FIG. 2 is a front view of a dual arm shoveling device according to an embodiment of the present application;

FIG. 3 is a front forearm view of a dual arm shoveling device of an embodiment of the present application;

FIG. 4 is a rear arm elevational view of a dual arm shoveling device according to an embodiment of the present application;

FIG. 5 is a state of the loading of the dual arm shoveling device of an embodiment of the present application;

FIG. 6 is a discharge state diagram of a dual arm shoveling device according to an embodiment of the present application.

Detailed Description

The technical solutions in the embodiments of the present application will be further clearly and completely described below with reference to the accompanying drawings, but it should be noted that the following embodiments are only some preferred embodiments in the present application, and do not refer to all embodiments covered by the technical solutions of the present application.

It should be noted that when an element is referred to as being "fixed" to another element in the description of the present application, it may be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

FIG. 1 is a perspective view of a dual arm shoveling device according to one embodiment of the present application, including two side-by-side booms having first ends for fixed attachment and second ends for attaching a bucket 3 and allowing the bucket 3 to rotate about the booms. Two parallel cantilevers are connected at the both ends of the bucket 3, and each cantilever includes a front arm 1 and a rear arm 2, and the front arm 1 and the rear arm 2 are rotatably connected, and the rear arm 2 is provided on the support 4, and can rotate around the support 4. The support 4 is used for fixedly supporting the rear arm 2, so that the rear arm 2 can be connected to other equipment, such as a loading vehicle, through the support 4 according to actual needs, and therefore the double-arm shoveling device provided by the application can be connected with the loading vehicle, and the auxiliary loading vehicle can complete corresponding engineering operation. Meanwhile, in order to ensure the synchronous movement of the two cantilevers, the two rear arms 2 standing opposite to each other are connected by the connecting shaft 41, so that the two rear arms 2 are ensured to rotate synchronously, and the two cantilevers move synchronously.

FIG. 2 illustrates a front view of a dual arm shoveling apparatus according to an embodiment of the present application, the end of the forearm 1 including a first attachment point 11, a second attachment point 12 and a third attachment point 13, and an angle adjustment mechanism connecting the forearm 1 and the bucket 3, including the crank 8 and the attachment plate 9. The first connecting point 11 is arranged close to the front end point of the front arm 1 and is connected with two end parts of the bucket 3; the second connecting point 12 is arranged close to the first connecting point 11 and is connected with the crank 8; the third connecting point 13 is arranged next to the second connecting point 12, and is connected with the triangular connecting plate 9, and the other two end points of the triangular connecting plate 9 are respectively connected with the crank 8 and the forearm 1. The connection modes of the crank 8 and the cam link plate 9 to the forearm 1 and the bucket 3 include rotational connection. In order to control the bucket 3 to perform the automatic loading and unloading functions, the bucket 3 is required to rotate around the front arm 1 by a large angle, for example, the bucket 3 rotates to a position with an opening facing downwards, and the materials are unloaded by self weight. Therefore, the bucket 3 is rotated by the rotatable cam plate 9 and the rotatable crank 8, so that the bucket 3 can rotate around the forearm 1. Specifically, the crank 8 and the triangle connecting plate 9 are respectively connected with the forearm 1 in a rotating manner, the crank 8 comprises a first crank rod 81 and a second crank rod 82, one end of the first crank rod 81 is connected with the second connecting point 12 in a rotating manner, the other end of the first crank rod 81 is connected with the middle part of the second crank rod in a rotating manner, meanwhile, one end of the triangle connecting plate 9 is connected with the bucket 3 through the second crank rod 82 of the crank 6, and the triangle connecting plate 8 is connected with the forearm 1 through the first hydraulic oil cylinder 5.

The first hydraulic oil cylinder 5 pushes the triangular connecting plate 9 connected with the first hydraulic oil cylinder to rotate around the third connecting point 13 through telescopic motion in the cylinder, then pushes the second curved rod 82 and the first curved rod 81 connected with the second curved rod 82 to rotate, the second curved rod 81 rotates around the second connecting point 12, finally the bucket 3 is driven to rotate, when the bucket 3 rotates clockwise and approaches to the front arm 1, the opening of the bucket 3 faces downwards, and the automatic unloading function can be completed.

It should be noted that the triangular connecting plate 9 is only a preferred embodiment of the present application, and the connecting plate 9 in the embodiment of the present application is not limited to this way, and other types of structures, such as a quadrilateral, capable of connecting the first hydraulic cylinder 5 and the crank 8 to further drive the bucket 3 to rotate are all allowed by the present application, and those skilled in the art can select a suitable structure according to their own needs.

The rear arm 2 is arranged on a support 4, the support 4 is used for fixedly supporting the rear arm 2 and enabling the rear arm 2 to rotate around a supporting point, and in addition, a third hydraulic oil cylinder 7 is arranged between the rear arm 2 and the support 4 so as to assist the rotation of the rear arm 2 around the support 4; the front arm 1 and the rear arm 2 are connected in an articulated manner, and a second hydraulic oil cylinder 6 connection is arranged between the front arm 1 and the rear arm 2 so as to assist the rotation between the front arm 1 and the rear arm 2. In addition, by arranging a control system comprising a displacement sensor 10, the movement of at least one of the first hydraulic oil cylinder 5, the second hydraulic oil cylinder 6 and the third hydraulic oil cylinder 7 is controlled by detecting the position change of the displacement sensor 10, and finally, the automatic control of the rotation of the front arm 1, the rear arm 2 and the bucket 3 is realized.

Fig. 3 is a front view of a forearm 1 of a double-arm shoveling device according to an embodiment of the present invention, wherein the forearm 1 is planar and has a centerline of the forearm 1 as a base line, and the forearm 1 has two opposite ends, wherein the upward end includes a first connecting point 11, a second connecting point 12, and a third connecting point 13, and the three connecting points are disposed adjacent to and at the end of the forearm 1, and are respectively used for connecting a bucket 3, a crank 8, and a triangular connecting plate 9; the downward end includes a connection point 16 for pivotal connection to the rear arm 2. Two opposite-direction bulges 14 and 15 are arranged at the middle part of the front arm 1, wherein the downward bulge 14 is arranged at one side close to the first connecting point 11, the upward bulge 15 is arranged at one side close to the connecting point 16, the bulge 14 is connected with the rear arm 2 through the second hydraulic oil cylinder 6, and the bulge 15 is connected with the triangular connecting plate 9 through the first hydraulic oil cylinder 5, so that the rotation control of the front arm 1 and the bucket 3 is realized.

FIG. 4 is a front view of the rear arm of the dual arm shoveling apparatus of an embodiment of the present application, wherein the rear arm 2 is in a planar configuration with the centerline of the rear arm 2 as a base point, the rear arm 2 includes a downward end portion, the downward end portion includes a connection point 21, a connection point 22 and a connection point 23 at the end points, respectively, wherein the connection point 21 is adapted to be pivotally connected to the connection point 16 of the front arm 1; the connection point 22 is connected with the downward projection 14 of the front arm 1 through a second hydraulic cylinder 6, so as to control the mutual rotation between the front arm 1 and the rear arm 2; the connection point 23 is connected to the support 4 by a third hydraulic ram 7 to further assist the rotation of the rear arm 2 about the support 4. The other end of the rear arm 2 is provided with a through hole 24 for connection with the support 4 to set the whole cantilever on the support 4, and at the same time, the connecting shaft 41 connects the two rear arms 2 standing opposite to each other through the through hole 24 to enable the synchronous movement of the two cantilevers.

Fig. 5 is a charging state diagram of the dual-arm shoveling device according to an embodiment of the present invention, in which the position of the bucket 3 is adjusted by controlling the extension and retraction of the first hydraulic cylinder 5, the second hydraulic cylinder 6 and the third hydraulic cylinder 7 during charging, so that the bucket 3 can be tightly attached to the ground, and when the bucket 3 is pushed to translate in the next step, the material tightly attached to the ground can be moved to the bucket 3, so that the charging can be more thorough.

Fig. 6 shows a discharging state diagram of the dual-arm shoveling device according to an embodiment of the present application, in which the third hydraulic cylinder 7 pushes the rear arm 2 to rotate to a maximum displacement angle, and at the same time, the rear arm 2 drives the front arm 1 to rotate and to rotate to a horizontal position under the driving of the second hydraulic cylinder 6, and at the same time, the first hydraulic cylinder 5 pushes the bucket 3 to rotate to the maximum angle position shown in fig. 6, so that the opening of the bucket 3 is tilted downward, the material in the bucket 3 falls from the bucket 3 due to its own weight, and finally, the automatic discharging function is realized.

The utility model provides a both arms shovel digs device, can accomplish the synchronous work that both arms shovel digs, thereby realize the needs of shoveling fast, and simultaneously, the technical scheme that this application provided, can be at the arm length within range internal rotation of back arm and accomplish shovel and dig the work, therefore, when the operation space is less, the scraper bowl can be in the arm length of back arm for the work of loading and unloading in the radial region, it is comparatively thorough to load, it is more clean to unload, and simultaneously, be provided with displacement sensor among a plurality of hydraulic cylinder, thereby realize automatic work, reduce operator's the control degree of difficulty, the operation under the special environment of satisfaction that can be fine, better market using value has.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims

1. A dual arm scooping apparatus, comprising:

the cantilever fixing device comprises two parallel cantilevers and a bracket, wherein the two parallel cantilevers are respectively provided with a first end and a second end which are opposite to each other, and the first end is used for fixing the cantilevers;

the two ends of the bucket are respectively connected with the second ends of the two cantilevers, and the bucket rotates around the cantilevers;

the angle adjusting mechanism is connected with the bucket and the cantilever and used for adjusting the rotating angle of the bucket.

2. The dual arm scooping apparatus of claim 1, wherein the angle adjustment mechanism includes a crank rotatably connecting the bucket and the boom and a linkage plate rotatably connecting the crank and the boom.

3. The dual boom scooping apparatus of claim 2, wherein the crank includes a first curved lever and a second curved lever, one end of the first curved lever is rotatably connected to the boom, the other end of the first curved lever is hingedly connected to the second curved lever, and both ends of the second curved lever are connected to the bucket and the connecting plate, respectively.

4. The dual arm scooping apparatus of claim 3, wherein the connecting plate includes a triangular connecting plate, a first apex of the triangular connecting plate rotatably connecting the boom, and a second apex of the triangular connecting plate hingedly connecting the curved lever.

5. The dual arm scooping apparatus of claim 4, wherein the third apex of the triangular connecting plate is connected to the boom by a first hydraulic ram.

6. The dual arm scooping apparatus of claim 5, wherein the first end of the boom includes a front arm and the second end of the boom includes a rear arm, the front arm being pivotally connected to the rear arm, a second hydraulic cylinder being provided between the front arm and the rear arm for driving the front arm to pivot relative to the rear arm and support the front arm.

7. The dual arm scooping apparatus of claim 6, wherein the end of the forearm includes a first attachment point, the bucket being connected to and rotating about the first attachment point.

8. The dual arm scooping apparatus of claim 7, wherein the forearm includes a second connection point and a third connection point, the crank is connected to the second connection point, the connecting plate is connected to the third connection point, and the connecting plate is connected to the forearm by a first hydraulic ram.

9. The dual arm shovel apparatus of claim 6, further comprising a support configured to fixedly support the trailing arm and to allow the trailing arm to rotate about a support point, wherein a third hydraulic ram is disposed between the trailing arm and the support, the third hydraulic ram driving the trailing arm to rotate relative to the support and supporting the trailing arm.

10. A dual arm scooping apparatus according to any one of claims 1-9 further comprising a control system that detects a displacement sensor and controls movement of at least one of the first hydraulic cylinder, the second hydraulic cylinder and the third hydraulic cylinder.