CN220167035U - Digger loader - Google Patents

Abstract

The utility model relates to a backhoe loader, comprising: a frame; the loading device is arranged at the end part of the frame; the control platform is arranged on the frame and is configured to rotate by 360 degrees relative to the frame; the cab is arranged on the first side of the control platform; the cab comprises a first end and a second end which are oppositely arranged, and the first end of the cab is provided with an observation window; the excavating device is arranged on a second side of the control platform opposite to the first side and is configured to be rotatable by 180 degrees relative to the cab; and the power cabin is arranged on the control platform and is adjacent to the second end of the cab. When the excavating device works, the vehicle can be directly moved without changing the position of the seat back and forth, so that the excavating efficiency is improved; the power cabin is arranged above the control platform and is positioned behind the cab, so that the loading end structure is more compact, 360-degree rotary excavating operation is realized, and meanwhile, the operation visual field of an operator is enlarged.

Description

Digger loader

Technical Field

The utility model relates to the field of engineering machinery, in particular to an excavating loader.

Background

The loader-digger is used as a multifunctional engineering machine, integrates the characteristics of the traditional excavator and the loader, and is suitable for various working conditions. In some related art, the operation steps of the backhoe loader are cumbersome and the auxiliary work takes a long time. In the working process of the loader-digger, if the loading posture and the digging posture are required to be mutually switched, an operator firstly needs to backwards adjust the seat by 180 degrees, when the seat is adjusted to face the digging device, the loader-digger is in the digging working posture, when the seat is faced to the loading device, the loader-digger is in the loading posture, and the switching of the two working postures is complex. In addition, the backhoe loader does not have a bidirectional traveling function, if the vehicle needs to be moved in the excavation operation posture, an operator needs to rotate the seat to face the loading end, then move the vehicle, and finally adjust the seat to face the excavation end to perform excavation operation. The maximum rotation angle of the excavating arm of the excavating loader can reach 180 degrees, the excavating loader does not have the function of synchronous rotation of the excavating arm and the seat, the excavating operation range is limited, the excavating operation visual field is poor, the operation and control feeling is unfriendly, and the excavating operation efficiency is low.

Disclosure of Invention

Some embodiments of the present utility model provide an excavating loader for alleviating the problem of low work efficiency.

In one aspect of the present utility model, there is provided an excavating loader comprising:

a frame;

the loading device is arranged at the end part of the frame;

the control platform is arranged on the frame and is configured to rotate by 360 degrees relative to the frame;

the cab is arranged on the first side of the control platform; the cab comprises a first end and a second end which are oppositely arranged, and the first end of the cab is provided with an observation window;

an excavating device disposed on a second side of the manipulation platform opposite the first side, the excavating device configured to be rotatable 180 ° relative to a cab; and

and the power cabin is arranged on the control platform and is adjacent to the second end of the cab.

In some embodiments, the backhoe loader further comprises a weight member disposed on the steering platform and below a side of the power pod remote from the cab.

In some embodiments, the connection location of the excavating device to the steering platform is proximate to the first end of the cab.

In some embodiments, the excavating device includes an excavating arm and a bucket provided to the excavating arm, the excavating arm configured to be stowed such that the bucket is placed on the handling platform and proximate to the second end of the cab.

In some embodiments, the digging implement is configured to rotate 180 ° relative to the cab such that the bucket is proximate the first end of the cab.

In some embodiments, the manipulation platform is configured to rotate relative to the frame during an excavating operation of the excavating device to drive the cab to rotate relative to the frame in synchronization with the excavating device.

In some embodiments, a midline of the loading device, a midline of the steering platform, and a midline of the frame coincide; the direction from the cab to the excavating device is perpendicular to the extending direction of the central line of the frame.

In some embodiments, the backhoe loader further comprises a first slewing bearing through which the steering platform is coupled to the frame.

In some embodiments, the backhoe loader further comprises a second slewing bearing through which the digging implement is coupled to the steering platform.

In some embodiments, the backhoe loader further comprises a leg provided at an end of the frame remote from the loader, the leg being configured to be deployable or extendable relative to the frame to support the ground, and retractable relative to the frame to overhang the ground.

Based on the technical scheme, the utility model has at least the following beneficial effects:

in some embodiments, the control platform can rotate 360 degrees relative to the frame, the excavating device can rotate 180 degrees relative to the cab, the excavating loader can realize the functions of 360-degree excavation, bidirectional driving and the like, and when the excavating device works, the vehicle can be directly moved without changing the position of the seat back and forth, so that the excavating efficiency is improved; the operator in the cab has wide visual field, good control feeling, compact structure of the backhoe loader and good frame stability, and the power cabin is arranged above the control platform and behind the cab, so that the loading end structure is more compact, 360-degree rotary excavation operation is realized more conveniently, and meanwhile, the operation visual field of the operator is enlarged.

Drawings

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

FIG. 1 is a first side schematic view of an excavating loader in a loaded state according to some embodiments of the present utility model;

FIG. 2 is a second side view schematic illustration of an excavating loader in a loaded state according to some embodiments of the present utility model;

FIG. 3 is a schematic rear view of an excavating loader in a loaded state according to some embodiments of the present utility model;

FIG. 4 is a schematic front view of an excavating loader in a loaded state according to some embodiments of the present utility model;

FIG. 5 is a schematic illustration of an excavating loader in a loaded state according to some embodiments of the present utility model;

FIG. 6 is a schematic top view of a backhoe loader provided in accordance with some embodiments of the utility model in a digging position;

FIG. 7 is a first schematic illustration of a backhoe loader provided in accordance with some embodiments of the utility model in a digging position;

FIG. 8 is a second schematic view of a backhoe loader provided in accordance with some embodiments of the utility model in a digging position;

FIG. 9 is a third schematic illustration of a backhoe loader provided in accordance with some embodiments of the utility model in a digging position;

FIG. 10 is a schematic side view of a backhoe loader provided in accordance with some embodiments of the utility model in a digging position;

fig. 11 is a schematic rear view of an excavating loader according to some embodiments of the present utility model in an excavating state.

The reference numbers in the drawings are as follows:

1-a frame; 11-upper layer assembly;

2-loading means; 21-bucket; 22-a movable arm; 23-an oil cylinder;

3-a control platform;

4-cab; 41-a first end; 42-a second end; 43-viewing window;

5-excavating device; 51-an excavating arm; 511-a first digging arm; 512-a second digging arm; 52-a bucket;

6-a power cabin;

7-a weight;

8-a grounding assembly; 81-a first set of wheels; 82-a second set of wheels;

91-a first slewing bearing; 92-a second slewing bearing;

10-supporting legs.

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 utility model 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 utility model, its application, or uses. The present utility model 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 utility model to those skilled in the art. It should be noted that: the relative arrangement of parts and steps, the composition of materials, numerical expressions and numerical values set forth in these embodiments should be construed as exemplary only and not limiting unless otherwise specifically stated.

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", etc. are used merely to indicate relative positional relationships, which may also be changed when the absolute position of the object to be described is changed.

In the present utility model, 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 utility model 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 11, some embodiments provide an excavating loader comprising a frame 1, a loading device 2, a steering platform 3, a cab 4, an excavating device 5 and a power compartment 6.

The loading device 2 is provided at an end of the frame 1.

The control platform 3 is arranged on the frame 1, and the control platform 3 is configured to rotate 360 degrees relative to the frame 1.

As shown in fig. 3, the cab 4 is provided on a first side of the console 3. The cab 4 comprises a first end 41 and a second end 42 arranged opposite each other, the first end 41 of the cab 4 being provided with a viewing window 43.

The excavating device 5 is provided on a second side of the handling platform 3 opposite to the first side, the excavating device 5 being configured to be rotatable 180 ° with respect to the cab 4.

The power pod 6 is disposed on the console 3 and is located adjacent to the second end of the cab 4. The power compartment 6 is located at the end of the cab 4 remote from the viewing window 43.

The first side and the second side of the handling platform 3 are both sides in the direction of straight travel of the backhoe loader. The travel of the backhoe loader includes straight travel and turning travel.

In some embodiments, the loading device 2 is arranged at the end part of the frame 1 of the loader-digger, the control platform 3 is arranged on the frame 1, the control platform 3 can rotate 360 degrees relative to the frame 1, forward running and reverse running of the loader-digger can be realized, the function of 360-degree omnibearing excavation operation can be realized, the operation field of view is large, the excavation rotation angle is large, the swing is flexible, the control feeling is good, and the operation efficiency is high.

As shown in fig. 1, when the steering platform 3 is positioned at the 0 ° position, the backhoe loader can perform loading work or travel forward. As shown in fig. 10, the backhoe loader can travel in the reverse direction with the steering platform 3 in the 180 ° position. The 360 ° position of the manipulation stage 3 coincides with the 0 ° position.

When the loading device 2 is located upstream of the excavating device 5 in the direction of travel of the excavating loader, the excavating loader travels forward. When the shovel 5 is located upstream of the loader 2 in the shovel loader travel direction, the shovel loader travels in the reverse direction.

The first side of the control platform 3 is provided with the cab 4, the second side of the control platform 3 opposite to the first side is provided with the excavating device 5, the overall layout is symmetrical, the structure is compact, and the vehicle body can be more stable and reliable in working. The excavating device 5 can be turned 180 ° relative to the cab 4. The excavating device 5 is rotatable in a position between 0 deg. and 180 deg. with respect to the cab 4 for switching the working state and the non-working state of the excavating device 5.

As shown in fig. 6 to 11, when the excavating device 5 is at the 0 ° position, the excavating device 5 can perform an excavating work, the excavating device 5 is in an operating state, and the excavating loader can travel reversely. As shown in fig. 1 to 5, when the excavating device 5 is at the 180 ° position, the excavating arm 51 of the excavating device 5 can be folded, the bucket 52 of the excavating device 5 is placed on the control platform 3, the excavating device 5 is in a non-working state, and the excavating loader can travel in a forward direction or a reverse direction.

When the excavating device 5 performs excavating work, the control platform 3 can rotate between 0 degrees and 360 degrees relative to the frame 1 so as to realize 360-degree excavating work of the excavating loader.

In some embodiments, the loader-digger can realize functions of 360-degree digging, bidirectional driving and the like, and when the digging device 5 works, the vehicle can be directly moved without changing the position of the seat back and forth, so that the digging efficiency is improved; the operator in the cab 4 has wide visual field, good control feel, compact structure of the backhoe loader and good frame stability.

In some embodiments, the power cabin 6 is arranged above the control platform 3 and is located at the rear of the cab 4, so that the loading end structure is more compact, 360-degree rotary excavating operation is more facilitated, meanwhile, the operation field of an operator is lifted, the layout can balance the gravity center of the upper layer assembly 11, the gravity center of the whole machine is ensured to be more stable, and maintenance and repair are facilitated.

In some embodiments, the power pod 6 includes components such as a power system, a hydraulic pump, a hydraulic valve, a diesel tank, and a hydraulic tank. The power cabin 6 can also be replaced by a motor, a battery pack, a hydraulic system and a hydraulic oil tank, and the excavating loader is modified into an electric excavating loader.

The backhoe loader is reasonable in structure, the layout is beneficial to the fuel oil backhoe loader, the backhoe loader is also suitable for new energy vehicles, a power system and a diesel tank in the power cabin 6 can be directly replaced by a motor and a battery pack, the overall layout is not required to be greatly adjusted, and the layout is more convenient for a user to charge the electric backhoe loader.

In some embodiments, the backhoe loader further includes a weight 7, wherein the weight 7 is disposed below the steering platform 3 on a side of the power pod 6 remote from the cab 6. The weight 7 is located above the steering platform 3 and below the rear of the cab 4, and is mainly used for adjusting the center of gravity of the upper layer assembly 11 to be located near the center axis c of the first slewing bearing 91.

In some embodiments, the connection of the excavating device 5 to the steering platform 3 is located near the first end 41 of the cab 4.

When the loading device 2 performs loading operation, the control platform 3 is located at the 0 ° position, the first end 41 of the cab 4 is close to the loading device 2 relative to the second end 42, and an operator in the cab 4 can observe the operation state of the loading device 2 through the observation window 43.

When the excavating device 5 performs excavating operation, the control platform 3 can rotate relative to the frame 1, the excavating device 5 and the control platform 3 are driven to synchronously rotate, an operator in the cab 4 can observe the operation state of the excavating device 5 through the observation window 43, and the visual field of the operator is wide.

A seat is provided in the cab 4, the seat being provided at a position close to the observation window 43 and facing the first end 41 of the cab 4, an operator sitting on the seat operates the excavating and loading apparatus, observes the external situation through the observation window 43, and observes the operating state of the loading apparatus 2 or the excavating apparatus 5.

In some embodiments, the backhoe loader further includes a first slewing bearing 91, and the steering platform 3 is connected to the frame 1 through the first slewing bearing 91.

The first slewing bearing 91 is used for supporting the whole control platform 3 and comprises a cab 4 and an excavating device 5, the first slewing bearing 91 is a main body of a slewing control mechanism and can realize 360-degree slewing, and the excavating device 5 can realize 360-degree omnibearing excavating operation.

In some embodiments, the backhoe loader further includes a second slewing bearing 92, and the digging implement 5 is coupled to the steering platform 3 via the second slewing bearing 92. The second slewing bearing 92 has a slewing and limiting function, so that the position of the excavating device 5 is switched between 0 degrees and 180 degrees, the excavating device 5 can perform excavating operation and the excavating loader can reversely run when in the 0-degree position, the excavating arm 51 is recovered when the excavating device 5 is pivoted to the 180-degree position, the bucket 52 is placed on the control platform 3, and the excavating loader can forwardly run or reversely run. The second slewing bearing 92 can rapidly switch the state of the whole vehicle, and the first slewing bearing 91 can be used for enabling the excavating device 5 to realize multi-angle excavating operation so as to meet the requirements of multiple working conditions on engineering vehicles and improve the excavating efficiency.

In some embodiments, as shown in fig. 1, 2, 7 and 8, the excavating device 5 includes an excavating arm 51 and a bucket 52 provided to the excavating arm 51, the excavating arm 51 being configured to be stowed such that the bucket 52 is placed on the handling platform 3 and adjacent the second end 42 of the cab 4.

When the excavating device 5 is in a non-working state, the excavating arm 51 is folded, the bucket 52 is placed on the control platform 3 and is close to the second end 42 of the cab 4, the bucket 52 is supported by the control platform 3, the problem that the excavating arm 51 shakes when the bucket 52 is in a suspension state is avoided, and the stability of the excavating loader is improved.

In some embodiments, when the excavating arm 51 is stowed, the excavating device 5 is configured to rotate 180 ° relative to the cab 4 when the excavating arm 51 is placed on the handling platform 3 and adjacent the second end 42 of the cab 4, such that the excavating arm 51 is deployed at the first end 41 of the cab 4 for excavating work.

The position of the excavating device 5 can be switched between 0 degrees and 180 degrees, when the excavating device 5 is at the 0 degrees, the excavating device 5 can perform excavating operation and the excavating loader can reversely run, when the excavating device 5 is rotated to the 180 degrees, the excavating arm 51 can be folded, and the bucket 52 is placed on the control platform 3 and is close to the second end 42 of the cab 4.

In some embodiments, the steering platform 3 is configured to rotate relative to the frame 1 during an excavating operation of the excavating device 5 to bring the cab 4 into rotation relative to the frame 1 in synchronization with the excavating device 5.

The control platform 3 drives the cab 4 and the excavating device 5 to synchronously rotate 360 degrees relative to the frame 1, so that the excavating device 5 can realize 360-degree omnibearing excavating operation, an operator rotates in the cab 4 along with the control platform 3, the visual field is wide, and the control feeling is good.

As shown in fig. 1, in some embodiments, when the loading device 2 is upstream in the direction of travel of the backhoe loader relative to the digging device 5, the first end 41 of the cab 4 is upstream in the direction of travel of the backhoe relative to the second end 42.

As shown in fig. 7, in some embodiments, when the excavating device 5 is located upstream of the loading device 2 in the direction of travel of the backhoe, the first end 41 of the cab 4 is located upstream of the second end 42 in the direction of travel of the backhoe.

When the backhoe loader is traveling, the first end 41 of the cab 4 is always located upstream in the traveling direction relative to the second end 42.

In some embodiments, the midline of the loading device 2 coincides with the midline of the frame 1.

In some embodiments, the steering platform 3 is configured to enable the centre line of the steering platform 3 to coincide with the centre line of the frame 1 during rotation relative to the frame 1.

When the backhoe loader runs along a straight line, the center line of the control platform 3 coincides with the center line of the frame 1, and the center line of the loader 2 coincides with the center line of the frame 1.

The excavating device 5 can perform excavating work when the midline of the manipulation platform 3 coincides or does not coincide with the midline of the frame 1.

In some embodiments, the direction of the cab 4 to the excavating device 5 is perpendicular to the direction of the centerline extension of the frame 1. The center line of the frame 1 coincides with the center line of the frame 1.

In some embodiments, the backhoe loader further includes a ground assembly 8. The ground engaging assembly 8 includes a first set of wheels 81 and a second set of wheels 82.

The first set of wheels 81 includes two front wheels.

The second set of wheels 82 includes two rear wheels.

The power compartment 6 includes an engine, a gearbox, and the like. The engine is connected with the gearbox, and the power system drives the front axle and the rear axle through driving, so that four-wheel drive or two-wheel drive is realized.

In some embodiments, the frame 1 is constructed as a unitary, monolithic structure. The frame 1 is integral, and at least one of front and rear axles is required to be a steering axle, so that running and steering are realized.

In some embodiments, the ground engaging assembly 8 further comprises a crawler-type structure.

In some embodiments, the backhoe loader further includes a leg 10, the leg 10 being provided at an end of the frame 1 remote from the loader 2, the leg 10 being configured to be deployable or extendable relative to the frame 1 to support the ground, and retractable relative to the frame 1 to be suspended above the ground.

Alternatively, the leg 10 includes an H-shaped leg, a spread-wing leg, or the like.

In some embodiments, the backhoe loader further includes a stop device including a mechanical stop device, an electrically controlled stop device, and the like, and the carriage is not movable when the leg 10 is not fully retracted by providing the stop device.

In some embodiments, the loader 2 employs a six-bar linkage or an eight-bar linkage, and the bucket 21 of the loader 2 may be self-leveling.

The central line of the control platform 3 coincides with the central line of the frame 1 in the front-back direction, the bottom of the control platform 3 is connected with the frame 1 through a first slewing bearing 91, one side of the top of the control platform 3 along the running direction of the excavating loader is provided with a cab 4, and the other side of the top of the control platform 3 along the running direction of the excavating loader is provided with a second slewing bearing 92 and an excavating device 5.

When the excavating device 5 is at the 0 DEG position, the excavating device 5 can carry out excavating operation and the excavating loader can reversely run, when the excavating device 5 is rotated to the 180 DEG position, the excavating arm 51 can be folded, the excavating bucket 52 is placed on the control platform 3 and is close to the second end 42 of the cab 4, and the excavating loader can positively run or reversely run.

When the excavating device 5 is in the initial state, the excavating device 5 is in the 180 ° position.

The excavating device 5 includes an excavating arm 51 and a bucket 52. The digging arm 51 includes a first digging arm 511 and a second digging arm 512, a first end of the first digging arm 511 is hinged to the second slewing bearing 92, a second end of the first digging arm 511 is hinged to a first end of the second digging arm 512, and a second end of the second digging arm 512 is hinged to the bucket 52. The excavating device 5 further comprises a first oil cylinder, a second oil cylinder and a third oil cylinder, wherein the first oil cylinder is arranged on the second slewing bearing 92 and is in driving connection with the first excavating arm 511, the second oil cylinder is arranged on the first excavating arm 511 and is in driving connection with the second excavating arm 512, and the third oil cylinder is arranged on the second excavating arm 512 and is in driving connection with the excavating bucket 52. When the first cylinder is completely contracted, the second cylinder and the third cylinder are completely extended, the excavating arm 51 is folded, and the bucket 52 can be placed on the control platform 3 or at the rear end of the vehicle, so that the transportation stability is improved.

The first slewing bearing 91 is responsible for supporting the whole control platform 3, and comprises a cab 4 and an excavating device 5, the first slewing bearing 91 is a main body of a slewing control mechanism, 360-degree slewing can be realized, and the omnibearing excavating operation of the excavating device 5 is realized.

The second slewing bearing 92 has a slewing and limiting function, so that the excavating device 5 can rotate between 0 degrees and 180 degrees. The excavating device 5 is switched between two positions of 0 DEG and 180 DEG, the excavating device 5 can perform excavating operation when in the 0 DEG position and the excavating loader can reversely run, the excavating device 5 is rotated to the 180 DEG position, the excavating arm 51 is recovered, the excavating bucket 52 is placed on the control platform 3, and the excavating loader can forwardly run or reversely run.

Referring to fig. 1-11, in some embodiments, an excavating loader includes a frame 1, a loading device 2, a steering platform 3, an excavating device 5, a cab 4, a power compartment 6, a weight 7, and the like.

The loading device 2 is hinged with the front end position a of the frame 2, the loading device 2 comprises a movable arm 22 and a bucket 21, the movable arm 22 rotates around a central line d and moves up and down relative to a horizontal line e, the movement is controlled by a pair of hydraulic cylinders 23, the movable arm 22 can extend beyond the front end of the excavator during loading operation, and the tail end of the movable arm 22 is connected with the bucket 21 in a hinged mode.

The upper layer assembly 11 is mounted above the first slewing bearing 91, and the upper layer assembly 11 comprises the control platform 3, the second slewing bearing 92 and the excavating device 5. The control platform 3 is provided with a cab 4 on the left side above, a power cabin 6 is arranged behind the cab 4, a counterweight 7 is arranged behind and below the power cabin 6, and a second slewing bearing 92 is arranged on the right side above the control platform 3. The first slewing bearing 91 can rotate 360 degrees around the c-axis relative to the frame, the cab 4 and the excavating device 5 of the excavating loader can synchronously swing, the full-swing function of excavating operation 360 is realized, and the problems that the excavating arm rotation angle of the excavating loader in excavating operation is small, the operation range is limited and the like in the related art are solved.

The excavating device 5 comprises a first arm 511, a second arm 512 and a bucket 52. The first digging arm 511 is hinged with the second digging arm 512; is hinged to the bucket 52 at the distal end f of the second arm 512, and the bucket 52 rotates about the axis g during the excavation operation.

When the cab 4 faces the shovel loader 2 and the shovel 5 is positioned at the right rear of the cab 4, the shovel loader is in a loading work posture, and the boom 22 is rotated up and down with respect to the horizontal axis e and the bucket 21 is rotated with respect to the horizontal axis h under the control of the operator.

In the loading mode of operation the cab 4 and the loading device 2 will be locked in the position shown in fig. 1, and the legs 10 will be fully retracted during the loading operation, and the loading device 2 will not be affected by the excavating device 5 during the operation, since the cab is rotated to the shown position.

In the excavating mode, the excavating device 5 is rotated by the second slewing bearing 92 to the position shown in fig. 6, 7 and 8 and locked, and at this time, the upper layer assembly 11 can be rotated and controlled by the first slewing bearing 91 according to the required excavating position, and the first excavating arm 511, the second excavating arm 512 and the bucket 52 of the excavating device 5 are controlled to cooperate to perform work after determining the excavating position.

In the initial state of the excavating device 5, the excavating device 5 is positioned at the right rear of the cab 4, and the bucket 52 is retracted, and the bottom surface of the bucket 52 can be placed on the handling platform 3 or behind the vehicle.

The loader-digger has a double slewing structure, i.e., a first slewing bearing 91 and a second slewing bearing 92 are mutually matched, the working state of the loader-digger can be switched through the double slewing structure, and when the cab 4 is controlled to face the loading device 2 through the first slewing bearing 91, and the excavating device 5 is controlled to rotate to the right rear of the cab 4 through the second slewing bearing 92 and is retracted, the loader-digger is in a loading working state or a high-speed running state; when the excavating device 5 is controlled to rotate about the vertical axis b to the right front of the cab 4 by the second slewing bearing 92, the excavator is in an excavating work state in which the upper assembly 11 rotates about the axis c relative to the first slewing bearing 91, and the rotation of the first slewing bearing 91 relative to the frame 2 is controlled by the hydraulic motor.

When the cab 4 faces the loading device 2 and the excavating device 5 is located at the right rear of the cab, the excavating loader is in a loading state or a high-speed running posture; when the excavating device 5 is rotated to the right front of the cab 4 by the second slewing bearing 92, the excavating loader takes an excavating work posture; when the excavating device 5 is rotated to the right front of the cab 4 and lifts the bucket 21 to a proper position, the excavating posture low-speed travel can be performed; when the excavating device 5 is rotated to the right front of the cab 4, the excavator can cooperate with the loading device 2 through the excavating device 5, realizing a combined mode of operation, by which the material is transferred into the bucket 21 of the loading device 2 through the excavating device 5.

The loading device 2 is arranged at the end of the frame 1. The top of the frame 1 is provided with an upper layer assembly 11. The upper layer assembly 11 is mounted above the first slewing bearing 91, and the upper layer assembly 11 includes the control platform 3, the second slewing bearing 92, the excavating device 5, and the cab 4. The first side above the handling platform 3 is provided with a cab 4 and the second side above the handling platform 3 is provided with a second slewing bearing 92. A power cabin 6 is arranged at the rear of the cab 4, and a matching piece 7 is arranged at the rear lower part of the power cabin 6. The control platform 3 is connected with the frame 1 through the first slewing bearing 91, the first slewing bearing 91 can be used for realizing 360-degree all-directional excavation and two-way driving functions of the excavating loader, the operation is simple, convenient and quick, the operation construction is flexible, and the working efficiency is high. The excavating device 5 is connected with the control platform 3 by adopting a second slewing bearing 92, and the second slewing bearing 92 has a limiting function and is used for switching the working state of the whole vehicle, so that the compactness and the flexibility of the whole vehicle during normal running and loading operation are ensured, and the comfort and the high efficiency of excavating operation are realized.

The excavating and loading machine provided by the embodiment of the utility model can realize 360-degree omnibearing excavating operation, can realize bidirectional driving, is simple and quick to operate, flexible in operation and construction, high in working efficiency, capable of improving an excavating operation short plate, compact in whole machine structure, flexible in movement, efficient in operation, convenient and quick to operate, wide in visual field and good in control feel for operators in the cab 4, and solves the problems of narrow excavating operation range, small excavating rotation angle, poor visual field for operators in the cab 4, difficult operation, low operation efficiency and the like of related excavating and loading machines.

Based on the embodiments of the utility model 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 utility model 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 utility model. It will be understood by those skilled in the art that the foregoing embodiments may be modified and equivalents substituted for elements thereof without departing from the scope and spirit of the utility model. The scope of the utility model is defined by the appended claims.

Claims (10)

1. An excavating loader, comprising:

a frame (1);

a loading device (2) arranged at the end part of the frame (1);

a control platform (3) arranged on the frame (1), wherein the control platform (3) is configured to be rotatable by 360 degrees relative to the frame (1);

the cab (4) is arranged on the first side of the control platform (3); the cab (4) comprises a first end (41) and a second end (42) which are oppositely arranged, and the first end (41) of the cab (4) is provided with an observation window (43);

-an excavating device (5) provided on a second side of the handling platform (3) opposite to the first side, the excavating device (5) being configured to be rotatable 180 ° with respect to the cab (4); and

and the power cabin (6) is arranged on the control platform (3) and is adjacent to the second end of the cab (4).

2. The backhoe loader according to claim 1, further comprising a weight (7), said weight (7) being provided on said steering platform (3) below a side of said power pod (6) remote from said cab (4).

3. The backhoe loader according to claim 1, wherein the connection position of the backhoe (5) with the steering platform (3) is near the first end (41) of the cab (4).

4. A backhoe loader according to claim 3, wherein the digging implement (5) comprises a digging arm (51) and a bucket (52) provided to the digging arm (51), the digging arm (51) being configured to be stowed such that the bucket (52) is placed on the steering platform (3) and adjacent to the second end (42) of the cab (4).

5. The backhoe loader of claim 4, wherein the backhoe (5) is configured to rotate 180 ° relative to the cab (4) to bring the bucket (52) closer to the first end (41) of the cab (4).

6. The backhoe loader according to claim 1, wherein the manipulation platform (3) is configured to rotate relative to the frame (1) during the digging operation of the digging device (5) to drive the cab (4) to rotate relative to the frame (1) in synchronization with the digging device (5).

7. The backhoe loader according to any of the claims 1-6, characterized in that the midline of the loader (2), the midline of the steering platform (3) coincides with the midline of the carriage (1); the direction from the cab (4) to the excavating device (5) is perpendicular to the extending direction of the central line of the frame (1).

8. The backhoe loader according to claim 1, further comprising a first slewing bearing (91), wherein the steering platform (3) is connected to the frame (1) through the first slewing bearing (91).

9. The backhoe loader of claim 1, further comprising a second slewing bearing (92), the backhoe (5) being coupled to the steering platform (3) through the second slewing bearing (92).

10. The backhoe loader of claim 1, further comprising a leg (10), the leg (10) being provided at an end of the carriage (1) remote from the loader (2), the leg (10) being configured to be deployable or extendable relative to the carriage (1) to support the ground and retractable relative to the carriage (1) to overhang the ground.