CN117536283A - Rotary loading type backhoe loader - Google Patents

Abstract

The invention belongs to the field of engineering machinery, and relates to an excavating loader, which comprises a chassis, a loading device and a turntable, wherein the loading device and the turntable are arranged above the chassis; the rotary loading type backhoe loader further includes: the loading device is connected to the chassis through the first slewing mechanism; the first slewing mechanism is used for controlling the steering of the loading device relative to the chassis to realize lateral unloading operation within the range of 180 degrees; the turntable is connected to the chassis through the second slewing mechanism; the second slewing mechanism is used for controlling the steering of the turntable relative to the chassis and realizing 360-degree excavation operation. When the excavating device works, the vehicle can be directly moved without rotating the seat position, so that the auxiliary operation time is reduced, and the excavating efficiency is improved; the control room, the excavating device and the power cabin synchronously rotate 360 degrees along with the turntable, so that the excavating operation range is enlarged, and the working field and the safety are improved.

Description

Rotary loading type backhoe loader

Technical Field

The invention belongs to the field of engineering machinery, and particularly relates to a rotary loading type backhoe loader.

Background

The loader-digger is used as a multifunctional small engineering machine, integrates the characteristics of the traditional excavator and the traditional loader, can carry out shovel loading operation in a loading mode, can carry out digging operation in an excavating mode, and often works in a work place with limited space. In the process of shovel loading operation, the traditional shovel loader only can shovel materials right in front of a vehicle, and the shovel loading can be realized only by repeatedly adjusting the operation posture of the vehicle without the materials right in front; in addition, the unloading can only be performed in front, the in-situ lateral unloading can not be realized, the shovel loading operation range of the vehicle is greatly limited, and the operation efficiency is low. The excavating device of the traditional excavating loader basically can rotate 180 degrees at maximum, the fixed-point excavating range is small, the vehicle is required to be frequently moved to switch excavating operation points, when the vehicle is required to be moved to switch excavating operation points in excavating operation, the seat is required to be rotated to face the loading end, then the vehicle is moved, and finally the seat is adjusted to face the excavating end to enter excavating operation again, so that the switching process is complex, the auxiliary operation time is long, and the excavating operation efficiency is obviously influenced; the seat does not have the synchronous rotation function along with the excavating device in the excavating process, the lateral excavating operation has poor vision, and the operation comfort and the safety are not high.

Disclosure of Invention

Some embodiments of the invention provide an excavating and loading machine, which is used for solving the problems of small shovel loading operation range, low operation efficiency, small fixed-point excavation range of excavating operation, complex excavation switching operation point, low excavating operation efficiency, poor side excavation operation field of view and the like.

The technical scheme provided by the invention is as follows:

a rotary loading type backhoe loader comprises a chassis, a loading device and a turntable, wherein the loading device and the turntable are arranged above the chassis; the rotary loading type backhoe loader further includes:

the loading device is connected to the chassis through the first slewing mechanism; the first slewing mechanism is used for controlling the steering of the loading device relative to the chassis to realize lateral unloading operation within the range of 180 degrees;

the turntable is connected to the chassis through the second slewing mechanism; the second slewing mechanism is used for controlling the steering of the turntable relative to the chassis and realizing 360-degree excavation operation.

Further, the rotary loading type backhoe loader further comprises a backhoe, and the turntable comprises a first end and a second end; the first section of the turntable is provided with a control cabin; the excavating device is disposed at a first end of the turntable.

Further, the first rotation mechanism comprises a first rotation mechanism fixed end and a first rotation mechanism rotation end, the first rotation mechanism fixed end is fixed on the chassis, the loading device is fixed on the first rotation mechanism rotation end, and in a spading operation state, the first rotation mechanism rotation end drives the loading device to rotate relative to the chassis, so that side spading in a certain range and side discharging in a 180-degree range are realized.

Further, the second rotation mechanism comprises a second rotation mechanism fixed end and a second rotation mechanism rotation end, the second rotation mechanism fixed end is fixed on the chassis, the turntable is fixed at the second rotation mechanism rotation end, and in the excavation operation state, the second rotation mechanism rotation end drives the turntable to rotate within 360 degrees relative to the chassis.

Further, the rotary loading type backhoe loader further comprises a third rotary mechanism, and the backhoe is connected to the turntable through the third rotary mechanism; the third rotation mechanism comprises a third rotation mechanism fixed end and a third rotation mechanism rotation end, the third rotation mechanism fixed end is fixed on the turntable, the excavating device is fixed at the third rotation mechanism rotation end, and the third rotation mechanism rotation end drives the excavating device to rotate within a range of 180 degrees relative to the turntable.

Further, the excavating device comprises an excavating arm, an arm arranged on the excavating arm and a bucket arranged on the arm, wherein the excavating arm and the arm are configured to enable the bucket to be placed at the second end of the turntable; in the forward running and shovel loading operation state, the excavator bucket is arranged at the second end of the turntable; in the excavating operation state, the bucket of the excavating device is arranged at the first end of the turntable by the rotation of the rotation end of the third rotation mechanism.

Further, a power cabin is arranged at the second end of the rotary table.

Further, the swing loading type backhoe loader further includes a weight assembly disposed at the second end of the turntable.

Further, the swing loading type backhoe loader further comprises a first support leg assembly, wherein the first support leg assembly is arranged at one end of the chassis, which is far away from the loading device.

Further, the rotary loading type backhoe loader further comprises a second support leg assembly, and the second support leg assembly is arranged at one end of the chassis, which is close to the loading device.

Further, the chassis is of a rigid integral chassis structure or a hinged split chassis structure.

Further, the loading device is a six-bar linkage or an eight-bar linkage.

Advantageous effects

The loading device can rotate 180 degrees relative to the chassis, the rotary table can rotate 360 degrees relative to the chassis, and the excavating device can rotate 180 degrees relative to the rotary table. Under the shovel loading operation mode, the backhoe loader can realize forward direction and deflection shovel loading operation within a certain range and unloading operation within a range of 180 degrees, and the shovel loading and unloading range is greatly improved. Under the excavating operation mode, the excavating device can easily pass through the loading device, the excavating loader can realize 360-degree excavating operation, and the fixed-point excavating operation range is enlarged; the vehicle can be directly moved to switch the excavating working point in the excavating working process, the position of the seat is not required to be switched back and forth, the auxiliary working time is shortened, and the excavating working efficiency is improved; the control room and the excavating device synchronously rotate, the excavating view is wide, and the control comfort and the safety are obviously improved.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention and do not constitute a limitation on the invention.

In the drawings:

fig. 1 is a schematic side view of an excavating loader according to some embodiments of the present invention in a forward traveling state.

Fig. 2 is a side view of an excavating loader according to some embodiments of the present invention in a forward shovel loading state.

Fig. 3 is a side view of an excavating loader according to some embodiments of the present invention in a biased shovel loading state.

Fig. 4 is a schematic front view of an excavating loader according to some embodiments of the present invention in a biased shovel loading state.

Fig. 5 is a schematic perspective view of an excavating loader according to some embodiments of the present invention in a biased shovel loading state.

Fig. 6 is a first side view schematic illustration of an excavating loader in a side discharge condition according to some embodiments of the present invention.

Fig. 7 is a second side view schematic illustration of an excavating loader in a side dump state according to some embodiments of the present invention.

Fig. 8 is a schematic front view of an excavating loader in a side dump state according to some embodiments of the present invention.

Fig. 9 is a first side view schematic illustration of an excavating loader according to some embodiments of the present invention in a sideways excavating non-forward traveling condition.

Fig. 10 is a second side view schematic illustration of an excavating loader according to some embodiments of the present invention in a sideways excavated non-forward travel state.

Fig. 11 is a schematic perspective view of an excavating loader according to some embodiments of the present invention in a sideways excavating non-forward driving state.

Fig. 12 is a side view of an excavating loader according to some embodiments of the present invention in a forward excavating non-forward traveling state.

Fig. 13 is a side view of a backhoe loader provided in accordance with some embodiments of the invention in a forward digging position.

Fig. 14 is a side view of a backhoe loader provided in accordance with some embodiments of the invention in a forward digging position.

Fig. 15 is a schematic perspective view of a backhoe loader provided in accordance with some embodiments of the invention in a sideways digging position.

Fig. 16 is a schematic top view of a backhoe loader provided in accordance with some embodiments of the invention in a sideways digging position.

The reference numbers in the drawings are as follows:

1-a chassis; 2-loading means; 21-bucket; 3-a turntable; 31-a first end; 32-a second end; 4-a control room; 5-excavating device; 51-digging an arm; 52-bucket rod; 53-bucket; 6-a power cabin; 71-a first slewing mechanism; 72-a second slewing mechanism; 73-a third swing mechanism; 8-a counterweight assembly; 91-a first leg assembly; 92-a second leg assembly.

It should be understood that the dimensions of the various elements shown in the figures are not drawn to actual scale. Further, the same or similar reference numerals denote the same or similar members.

Detailed Description

Various exemplary embodiments of the present invention will now be described in detail with reference to the accompanying drawings. The description of the exemplary embodiments is merely illustrative, and is in no way intended to limit the invention, its application, or uses. The present invention may be embodied in many different forms and is not limited to the embodiments described herein. These embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the invention to those skilled in the art. It should be noted that: the relative arrangement and values of the components set forth in these embodiments should be construed as exemplary only and not limiting unless specifically stated otherwise.

The terms "first," "second," and the like, as used herein do not denote any order, quantity, or importance, but rather are used to distinguish one element from another. The word "comprising" or "comprises" and the like means that elements preceding the word encompass the elements recited after the word, and not exclude the possibility of also encompassing other elements. "upper", "lower", "left", "right", "front", "rear", etc. are used merely to indicate relative positional relationships, which may also change accordingly when the absolute position of the object to be described changes.

In the present invention, when it is described that a specific device is located between a first device and a second device, an intervening device may or may not be present between the specific device and the first device or the second device. When it is described that a particular device is connected to other devices, the particular device may be directly connected to the other devices without intervening devices, or may be directly connected to the other devices without intervening devices.

All terms (including technical or scientific terms) used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs, unless specifically defined otherwise. It will be further understood that terms, such as those defined in commonly used dictionaries, should be interpreted as having a meaning that is consistent with their meaning in the context of the relevant art and will not be interpreted in an idealized or overly formal sense unless expressly so defined herein.

Techniques, methods, and apparatus known to one of ordinary skill in the relevant art may not be discussed in detail, but are intended to be part of the specification where appropriate.

As shown in fig. 1 to 16, a rotary loading type backhoe loader includes a chassis 1, a loading device 2, a turntable 3, a cab 4, an excavating device 5, a power module 6, a first swing mechanism 71, a second swing mechanism 72, and a third swing mechanism 73.

The loading device 2 is arranged at one end of the chassis 1, and the loading device 2 is configured to be rotatable 180 ° relative to the chassis 1. The loading device 2 is connected to the chassis 1 through a first slewing mechanism 71, the first slewing mechanism 71 comprises a first slewing mechanism fixed end and a first slewing mechanism slewing end, the first slewing mechanism fixed end is fixed to the chassis 1, the loading device 2 is fixed to the first slewing mechanism slewing end, and in a spading operation state, the first slewing mechanism slewing end drives the loading device 2 to slewing relative to the chassis 1, so that spading in a certain range and discharging in a 180-degree range are realized.

The turntable 3 is arranged above the chassis 1, the turntable 3 being configured to be rotatable 360 ° with respect to the chassis 1, the turntable 3 comprising a first end 31 and a second end 32. The turntable 3 is connected to the chassis 1 through the second revolving structure 72, the second revolving structure 72 comprises a second revolving structure fixed end and a second revolving structure revolving end, the second revolving structure fixed end is fixed on the chassis 1, the turntable 3 is fixed at the second revolving structure revolving end, and in the excavation operation state, the second revolving structure revolving end drives the turntable 3 to revolve within 360 degrees relative to the chassis 1.

The control cabin 4 is arranged on one side of the first end 31 of the turntable 3.

The excavating device 5 is arranged at the first end 31 of the turntable 3, the excavating device 5 being arranged to be rotatable 180 ° relative to the turntable 3 to rotate the bucket 53 to the first end 31 of the turntable 3.

The excavating device 5 includes an excavating arm 51, an arm 52 provided to the excavating arm 51, and a bucket 53 provided to the arm 52, the excavating arm 51 and the arm 52 being configured such that the bucket 53 is placed at the second end 32 of the turntable 3.

The excavating device 5 is connected to the turntable 3 through the third revolving mechanism 73, the third revolving mechanism comprises a third revolving mechanism fixed end and a third revolving mechanism revolving end, the third revolving mechanism fixed end is fixed on the turntable 3, the excavating device 5 is fixed at the third revolving mechanism revolving end, and the third revolving mechanism revolving end drives the excavating device 5 to revolve within 180 degrees relative to the turntable 3. In the forward running and shovel work state, the bucket 53 of the excavating device 5 is arranged at the second end 32 of the turntable 3; in the excavation work state, the bucket 53 of the excavating device 5 is disposed at the first end 31 of the turntable 3 by the rotation of the rotation end of the third rotation mechanism.

The power pod 6 is disposed at the second end 32 of the turntable 3.

The turntable 3 is configured to be rotatable by 360 ° relative to the chassis 1 during an excavating operation of the excavating device 3, so as to drive the cab 4, the excavating device 5 and the power compartment 6 to rotate synchronously by 360 ° relative to the chassis 1.

The backhoe loader further includes a weight assembly 8, the weight assembly 8 being disposed at the second end 32 of the turntable 3.

In some embodiments of the present invention, in some embodiments,

as shown in fig. 1, when the turntable 3 is positioned at the 0 ° position, that is, the first end 31 of the turntable 3 is forward approaching the loading device 2, the bucket 53 is placed at the second end 32 of the turntable 3, and the bucket 21 of the loading device 2 is separated from the ground by a predetermined height, the operator is facing the loading device 2 and facing away from the excavating device 5, and the excavating loader can perform forward travel for transferring the excavating loader, transferring materials, and the like.

As shown in fig. 2, the turntable 3 is located at the 0 ° position, that is, the first end 31 of the turntable 3 is forward approaching the loading device 2, and the bucket 53 is placed at the second end 32 of the turntable 3, and at this time, the operator is facing the loading device 2 and facing away from the excavating device 5, and the excavating loader can perform forward shovel loading operation by using the travel, steering, lifting of the loading arm, and retraction of the bucket of the excavating loader.

As shown in fig. 3, 4 and 5, in some embodiments, the backhoe loader further comprises a first swing mechanism 71, and the loader 2 is connected to the chassis 1 through the first swing mechanism 71. The first swivel mechanism 71 has a swivel and limit function, allowing the loading device 2 to swivel a set angle, typically set at 90 °, in a lower set height. When the turntable 3 is positioned at the 0 degree position, that is, the first end 31 of the turntable 3 is positively close to the loading device 2, and the bucket 53 is placed at the second end 32 of the turntable 3, the backhoe loader can realize deflection to the shovel loading operation within a certain range by utilizing the functions of running, steering, lifting of the loading arm, retraction and retraction of the bucket 21 and rotation of the first rotation mechanism 71.

As shown in fig. 6, 7, 8, in some embodiments, the first swivel mechanism 71 allows the loading device 2 to swivel 180 ° in a higher set height. When the turntable 3 is located at the 0 degree position, that is, the first end 31 of the turntable 3 is positively close to the loading device 2, and the bucket 53 is placed at the second end 32 of the turntable 3, the loader-digger can realize the lateral unloading operation within the range of 180 degrees by utilizing the functions of running, steering, lifting of the loading arm, retraction and retraction of the bucket 21 and rotation of the first rotation mechanism 71.

In some embodiments, the backhoe loader further includes a second swing mechanism 72, and the turntable 3 is coupled to the chassis 1 via the second swing mechanism 72 to be rotatable 360 ° with respect to the chassis 1 to perform a 360 ° backhoe operation.

In some embodiments, the backhoe loader further includes a third swing mechanism 73, and the digging implement 5 is coupled to the turntable 3 via the third swing mechanism 73 for 180 ° range rotation relative to the turntable. In the forward travel and shovel operation mode, the third swing mechanism 73 and the arm 51 and stick 52 are configured such that the bucket 53 is placed at the second end 32 of the turret 3; in the excavating mode of operation, the third swing mechanism 73 is configured to position the bucket 53 at the first end 31 of the turntable 3.

As shown in fig. 9, 10, 11, and 12, the third swing mechanism 73 is configured to move the bucket 53 closer to the first end 31 of the turntable 3, and the loader-digger can perform non-forward travel when the turntable 3 is positioned at a position other than 0 ° and the bucket 21 of the loader 2 is separated from the ground by a predetermined height.

As shown in fig. 13, 14, 15, and 16, the third swing mechanism 73 is configured to position the bucket 53 at the first end 31 of the associated turntable 3, and when the turntable 3 is positioned at an arbitrary position, the shovel loader can perform a 360 ° shovel work by 360 ° swinging of the second swing mechanism 72 and the movements of the shovel arm 51, the arm 52, and the bucket 53 in the shovel 5 in the directions; by utilizing the non-forward running function of the backhoe loader, the backhoe loader can realize the instant switching of the backhoe operation point without adjusting the seat, thereby improving the backhoe operation efficiency.

In some embodiments, the backhoe loader further comprises a first leg assembly 91, the first leg assembly 91 being disposed at an end of the chassis 1 remote from the loader 2. During an excavation operation, the first leg assembly 91 may be selectively raised to enhance stability of the excavation operation; nor is it an option to not prop up the first leg assembly 91 for excavation work.

In some embodiments, the backhoe loader further includes a second leg assembly 92, the second leg assembly 92 being disposed at an end of the chassis proximate the loader 2. During an excavating operation, the loader end bucket 23 or the second leg assembly 92 may be selectively set up to enhance stability of the excavating operation; or the excavating work can be carried out by simultaneously supporting or not supporting.

In some embodiments, the chassis 1 may be a rigid unitary chassis structure or may be a hinged split chassis structure.

In some embodiments, the loading device 2 may be in a reverse configuration or may be configured as a forward rotation mechanism; a six-bar linkage or an eight-bar linkage may be employed.

In some embodiments, the excavating device 5 may adopt a bent arm structure with an external arm excavating oil cylinder, or may adopt a straight arm structure with an internal arm excavating oil cylinder.

In some embodiments, the power cabin 6 may be conventional fuel-type power, or may be new energy power such as a battery or a hydrogen-powered engine.

The backhoe loader provided by the embodiment of the invention can realize in-situ shovel loading operation and in-situ 180-degree unloading operation within a certain range, and the in-situ shovel loading operation range is greatly improved; the in-situ 360-degree excavation operation can be realized, and the current situation that the excavation range of the traditional excavator is limited is thoroughly solved; the vehicle runs in a non-forward direction in the excavating mode, so that the complex operation of frequently switching excavating operation points is effectively solved, and the working efficiency is greatly improved; the control room and the excavating device synchronously rotate, so that the visual field, the control comfort and the safety of excavating operation are improved.

Based on the embodiments of the invention described above, features of one embodiment may be beneficially incorporated in one or more other embodiments without explicit negation or conflict.

While certain specific embodiments of the invention have been described in detail by way of example, it will be appreciated by those skilled in the art that the above examples are for illustration only and are not intended to limit the scope of the invention. It will be understood by those skilled in the art that the above embodiments may be modified or some technical features may be equivalently substituted without departing from the scope of the present invention. The scope of the invention is defined by the appended claims.

Claims (10)

1. The rotary loading type backhoe loader is characterized by comprising a chassis, a loading device and a turntable, wherein the loading device and the turntable are arranged above the chassis; the rotary loading type backhoe loader further includes:

the loading device is connected to the chassis through the first slewing mechanism; the first slewing mechanism is used for controlling the steering of the loading device relative to the chassis to realize lateral unloading operation within the range of 180 degrees;

the turntable is connected to the chassis through the second slewing mechanism; the second slewing mechanism is used for controlling the steering of the turntable relative to the chassis and realizing 360-degree excavation operation.

2. The rotary loading type backhoe loader of claim 1, further comprising a backhoe, the turntable comprising a first end and a second end; the first section of the turntable is provided with a control cabin; the excavating device is disposed at a first end of the turntable.

3. The rotary loading type backhoe loader of claim 1, wherein the first rotary mechanism comprises a first rotary mechanism fixed end and a first rotary mechanism rotary end, the first rotary mechanism fixed end is fixed on the chassis, the loading device is fixed on the first rotary mechanism rotary end, and in the spading operation state, the first rotary mechanism rotary end drives the loading device to rotate relative to the chassis, so that side spading in a certain range and side discharging in a 180-degree range are realized.

4. The rotary loading type backhoe loader of claim 1, wherein the second swing mechanism includes a second swing mechanism fixed end and a second swing mechanism swing end, the second swing mechanism fixed end is fixed on the chassis, the turntable is fixed on the second swing mechanism swing end, and in the digging operation state, the second swing mechanism swing end drives the turntable to swing within a 360 ° range relative to the chassis.

5. The rotary loading type backhoe loader of claim 2, further comprising a third swing mechanism, the backhoe being coupled to the turntable through the third swing mechanism;

the third rotation mechanism comprises a third rotation mechanism fixed end and a third rotation mechanism rotation end, the third rotation mechanism fixed end is fixed on the turntable, the excavating device is fixed at the third rotation mechanism rotation end, and the third rotation mechanism rotation end drives the excavating device to rotate within a range of 180 degrees relative to the turntable.

6. The rotary loading type backhoe loader of claim 5, wherein the backhoe comprises a backhoe arm, an arm provided to the backhoe arm, and a bucket provided to the arm, the backhoe arm and the arm being configured such that the bucket is positioned at the second end of the turntable; in the forward running and shovel loading operation state, the excavator bucket is arranged at the second end of the turntable; in the excavating operation state, the bucket of the excavating device is arranged at the first end of the turntable by the rotation of the rotation end of the third rotation mechanism.

7. The rotary loading type backhoe loader of claim 2, wherein the second end of the turntable is provided with a power pod.

8. The rotary loading type backhoe loader of claim 2, further comprising a weight assembly disposed at the second end of the turntable.

9. The rotary loading type backhoe loader of claim 1, further comprising a first leg assembly disposed at an end of the chassis remote from the loader.

10. The rotary loading type backhoe loader of claim 1, further comprising a second leg assembly provided at an end of the chassis adjacent the loader.