CN215801869U

CN215801869U - Novel underground loader

Info

Publication number: CN215801869U
Application number: CN202122317573.5U
Authority: CN
Inventors: 郝敬显; 朱亮; 吴芷阳; 曹霞; 李凯强; 刘继文; 褚洪蓥; 林森; 胡如意
Original assignee: Science and Technology Branch of XCMG
Current assignee: Science and Technology Branch of XCMG
Priority date: 2021-09-24
Filing date: 2021-09-24
Publication date: 2022-02-11
Anticipated expiration: 2031-09-24

Abstract

The utility model discloses a novel underground loader, and belongs to the technical field of engineering machinery. Comprises a rear frame and a front frame; the cab system comprises a cab body, wherein the cab body is fixed on the side surface of the rear frame; the working device system comprises: the rear end of the movable arm is hinged with the front frame at a point C, and the front end of the movable arm is hinged with the lower part of the bucket; the upper end of the rocker arm is hinged with the extending end of the tipping bucket oil cylinder, and the other end of the tipping bucket oil cylinder is hinged with the front frame at a point D; the middle part of the rocker arm is hinged with the middle part of the movable arm; the lower end of the rocker arm is hinged with one end of a pull rod, and the other end of the pull rod is hinged with the middle part of the bucket; the movable arm oil cylinder is respectively hinged with A, B points with the front frame and the movable arm. The utility model effectively reduces the height of the whole machine, has large moving space for a driver and is comfortable to operate; the visual field of a driver is wide, the visual line deflection angle is small, the labor intensity of the driver is reduced, and the safety is improved; the lifting capacity of the movable arm oil cylinder arrangement structure is greatly enhanced, and meanwhile, the transportation stability is improved.

Description

Novel underground loader

Technical Field

The utility model relates to the technical field of loaders, in particular to a novel underground loader, and belongs to the technical field of engineering machinery.

Background

The development mode of mineral resources in China is gradually changed from surface mining to underground mining, and under the working conditions of mining holes with small section size, complex terrain, small turning angle and dark environment, the underground loader is favored in mining enterprises with the advantage of cost performance, and is mainly used for operations such as stope ore removal, slag discharge, ore unloading and the like.

The existing underground loader has the following defects:

1. the underground loader is formed by a front cab on the basis of the loader, and the cab is mostly in a lifting form so as to adapt to the requirements of different mine hole heights. The arrangement height of the liftable cab is limited by the position of the gearbox, the height reduction is limited, the height of the whole machine is reduced by adopting a cab height compression mode, the difference between the height of the driver vision and the height of a hood is reduced, the rear vision is blocked, and in addition, the steering wheel occupies a larger space, so the operation comfort is deteriorated;

2. with the increasing mining depth of the mine hole, a driver needs to back move for hundreds of meters after shoveling materials in the mine hole in a transportation process, and then moves forward for hundreds of meters for charging after discharging materials outside the mine hole, so that the driver has large head torsion angle when driving back for a long distance, large labor intensity, easy generation of dizziness and influence on safety;

3. most of the existing underground loaders directly use a common loader working device system, one mode is that a movable arm oil cylinder is transversely arranged, the lifting capacity of the working device is limited in this mode, and the stability is poor during long-distance transportation; the other mode is that the movable arm oil cylinder is vertically arranged and adopts a middle support mode, and in the lifting process, one end of the movable arm oil cylinder is close to the ground and is easy to damage.

Disclosure of Invention

In order to solve the technical problem, the utility model provides a novel underground loader.

The technical scheme adopted by the utility model is as follows: a novel underground loader comprises a rear frame and a front frame, wherein the rear frame is connected with a cab system, and the front frame is connected with a working device system; the cab system comprises a cab body, wherein the cab body is fixed on the side surface of the rear frame; the working device system comprises a movable arm oil cylinder, a movable arm, a tipping bucket oil cylinder, a rocker arm, a pull rod and a bucket; the rear end of the movable arm is hinged with the front frame at a point C, and the front end of the movable arm is hinged with the lower part of the bucket; the upper end of the rocker arm is hinged with the extending end of the tipping bucket oil cylinder, and the other end of the tipping bucket oil cylinder is hinged with the front frame at a point D; the middle part of the rocker arm is hinged with the middle part of the movable arm; the lower end of the rocker arm is hinged with one end of a pull rod, and the other end of the pull rod is hinged with the middle part of the bucket; the movable arm oil cylinder is respectively hinged with A, B points of the front frame and the movable arm.

It further comprises the following steps: a flange and an operating lever mounting seat are arranged on one side, close to the rear frame, of the cab body; the flange penetrates through a side edge hole of the rear frame to enter the rear frame, and a gearbox fixed in the rear frame is arranged on the front side of the flange; the operating rod mounting seat is positioned above the flange, and a steering handle and a gear shifting handle are arranged on the operating rod mounting seat.

The operating rod mounting seat is provided with a groove at the lower position of one side far away from the rear frame, and the upper part of the flange is provided with a pattern drawing shape which is relatively matched with the groove.

A lower fixing seat I is fixed on the lower surface of the cab body, and a middle fixing seat II is fixed on one side surface of the cab body close to the rear frame; a mounting plate is fixed on one side surface of the rear frame close to the cab body, and a connecting hole matched with the lower fixing seat I is formed in the mounting plate; the upper end of one side surface of the rear frame close to the cab body is provided with a connecting hole matched with the middle fixing seat II.

A seat mounting seat is arranged in the cab body, a seat is arranged on the upper portion of the seat mounting seat, a storage battery is arranged on the lower portion of the seat mounting seat, and a protection plate is arranged on the rear portion of the cab body.

The lower end of the movable arm oil cylinder is hinged and installed in the front frame, when the bucket is located at the lowest position, the hinge point A is located at the position close to the rear position below the hinge point D, the hinge point B is located at the position close to the front position below the hinge point D, and the hinge point B is higher than the hinge point A; and the hinge point C is positioned at the position close to the back above the hinge point D.

Due to the adoption of the technical scheme, the utility model has the following beneficial effects:

1. the arrangement height of a side cab is not limited by a gearbox, the height of the whole machine is effectively reduced, the arrangement height of a hinge point C and a hinge point D of a working device is lower than the sight of a driver, a sight line I penetrates through the hinge point D to easily observe the right side of a bucket, a sight line II can directly observe the left side of the bucket, a sight line III and a sight line IV can directly observe the rear part of the whole machine, the deflection angle of the sight line of the driver is small in forward and backward running, the labor intensity of the driver is reduced, and the safety is improved;

2. a steering handle is adopted to replace a steering wheel, the steering handle and a gear shifting handle are arranged in an operating rod mounting seat, a mounting seat groove is matched with the pattern drawing shape of the upper part of a flange, the moving space of a driver is large, and the operation is comfortable;

3. the movable arm oil cylinder is vertically arranged in a lower supporting mode, the lower end of the oil cylinder is arranged in the front frame, so that the oil cylinder is effectively protected, the lifting capacity is greatly enhanced, and meanwhile, the transportation stability is improved.

4. The height and the width of the whole machine are reduced, meanwhile, the operation performance is kept in an excellent state, and the application range is effectively widened.

Advantages and features of the present invention will be illustrated and explained by the following non-restrictive description of preferred embodiments thereof, given by way of example only with reference to the accompanying drawings.

Drawings

FIG. 1 is a schematic perspective view of the present invention;

FIG. 2 is a schematic view of the cab system of the present invention;

FIG. 3 is a schematic diagram II of the cab system of the present invention;

FIG. 4 is a schematic view of the inventive work implement system coupled to a front frame;

FIG. 5 is a manipulation field of view diagram of the present invention;

in the figure: 1. the hydraulic control system comprises a working device system, 2, a rear frame, 3, a front frame, 4, a cab system, 4-1, a cab body, 4-2, a lower fixing seat I, 4-3, a flange, 4-4, a control rod mounting seat, 4-5, a steering handle, 4-6, a seat mounting seat, 4-7, a seat, 4-8, a storage battery, 4-9, a protection plate, 4-10, a gear shifting handle, 4-11, a drawing die shape, 4-12, a groove, 4-13, a middle fixing seat II, 5, a hood system, 6, a power system, 7, a transmission system, 8, a hydraulic system, 9, an electrical system, 10, a movable arm of an oil cylinder, 11, a movable arm, 12, a tipping bucket oil cylinder, 13, a rocker arm, 14, a pull rod, 15, a bucket, 16 and a gearbox.

Detailed Description

To facilitate a further understanding of the novel downhole loader of the present invention, reference is made to the following description taken in conjunction with the accompanying drawings and examples.

Referring to fig. 1, the novel underground loader comprises a rear frame 2 and a front frame 3 which are connected together, wherein a cab system 4 is connected to the rear frame 2, and a working device system 1 is connected to the front frame 3. The rear frame 2 and the front frame 3 are also provided with a power system 6, a transmission system 7, an electrical system 9, a hood system 5 and a hydraulic system 8 in a matching way, so that the underground loader is integrally formed.

The improvement of the embodiment is that:

as shown in connection with figures 2 and 3,

the cab system 4 includes a cab body 4-1, and the cab body 4-1 is located on the side of the rear frame 2. A lower fixing seat I4-2 is fixed on the lower surface of the cab body 4-1, and a middle fixing seat II4-13 is fixed on one side surface of the cab body 4-1 close to the rear frame 2; a mounting plate is fixed on one side surface of the rear frame 2 close to the cab body 4-1, and a connecting hole matched with the lower fixing seat I4-2 is formed in the mounting plate; the upper end of one side surface of the rear frame 2 close to the cab body 4-1 is provided with a connecting hole matched with the middle fixed seat II 4-13. The cab body 4-1 is correspondingly and fixedly connected with a connecting hole on the rear frame 2 through a lower fixing seat I4-2 and a middle fixing seat II 4-13. A seat mounting seat 4-6 is arranged in the cab body 4-1, a seat 4-7 is arranged on the upper portion of the seat mounting seat 4-6, a storage battery 4-8 is arranged on the lower portion of the seat mounting seat 4-6, and a protection plate 4-9 is arranged on the rear portion of the cab body 4-1, so that a driver is effectively protected from being damaged by collision of a hole wall.

One side of the cab body 4-1 close to the rear frame 2 is provided with a flange 4-3 and a control lever mounting seat 4-4. The flange 4-3 penetrates through a side hole of the rear frame 2 to enter the rear frame 2, the gearbox 16 fixed in the rear frame 2 is arranged on the front side of the flange 4-3, and the arrangement of the cab body 4-1 is not limited by the height of the gearbox 16. The operating lever mounting seat 4-4 is positioned above the flange 4-3, and the steering handle 4-5 and the gear shifting handle 4-10 are arranged on the operating lever mounting seat 4-4. The lower part of one side of the operating rod installation seat 4-4 far away from the rear frame 2 is provided with a groove 4-12, the upper part of the flange 4-3 is provided with a drawing shape 4-11 which is relatively matched with the groove 4-12, and the drawing shape 4-11 is a wedge-shaped surface which is inclined upwards. The steering handle 4-5 replaces the steering of a steering wheel, and the flange 4-3 and the control lever mounting seat 4-4 are provided with matched inclined planes, so that the movement space of a driver is enlarged, and the control comfort is improved.

As shown in fig. 4 and 5, work implement system 1 includes boom cylinder 10, boom 11, dump bed cylinder 12, swing arm 13, boom 14, and bucket 15. The boom cylinder 10 and the dump bucket cylinder 12 are connected to the hydraulic system 8 through a pipe attachment. The rear end of the movable arm 11 is hinged with the front frame 3 at a point C, and the front end of the movable arm 11 is hinged with the lower part of the bucket 15. The upper end of the rocker arm 13 is hinged with the extending end of the tipping bucket oil cylinder 12, and the other end of the tipping bucket oil cylinder 12 is hinged with the front frame 3 at a point D; the middle part of the rocker arm 13 is hinged with the middle part of the movable arm 11; the lower end of the rocker arm 13 is hinged with one end of a pull rod 14, and the other end of the pull rod 14 is hinged with the middle part of a bucket 15. The boom cylinder 10 is hinged A, B to the front frame 3 and the boom 11, respectively, the lower end of the boom cylinder 10 is hinged inside the front frame 3, and the boom cylinder 10 extends and contracts to drive the boom 11 to lift and fall.

As shown in fig. 4, by reasonably selecting the lengths of the rod members and the arrangement of the hinge point positions, when the bucket 15 is at the lowest position, the hinge point a is located at a position closer to the rear below the hinge point D, the hinge point B is located at a position closer to the front below the hinge point D, and the hinge point B is higher than the hinge point a; the hinge point C is positioned above the hinge point D and at the back position; therefore, a vertically-arranged boom cylinder driving reverse rotation six-link mechanism form is formed.

Principle of operation

As shown in fig. 5, the working device system 1 is matched with the cab system 4, the arrangement height of the hinge point C and the hinge point D of the working device system 1 is lower than the sight line of a driver, the sight line I penetrates through the hinge point D to easily observe the right side of the bucket, the sight line II can directly observe the left side of the bucket, and the sight line III and the sight line IV can directly observe the rear part of the whole machine.

When materials are loaded, the sight line II penetrates through a left tire to observe the materials at the left front position of the bucket, when the transported materials move forwards, the sight line I of a driver judges a steering angle by observing the distance between the right side of the bucket and a hole wall, when the transported materials move backwards, the sight line III and the sight line IV of the driver judge the steering angle by observing the distance between the rear side of the whole machine and the hole wall, when the transported materials are unloaded at a high position, the sight line of the driver can easily observe the bottom position of the bucket, the left and right twisting angles of the head of the driver do not exceed 90 degrees in the whole working process, the labor intensity of the driver is effectively reduced, the working efficiency is improved, and the working safety is improved;

when the steering gear is turned, the steering handle is pushed forwards, the whole steering gear is turned to the right, the steering handle is pulled backwards, and the whole steering gear is turned to the left.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and all such modifications, equivalents and improvements that come within the spirit of the utility model are intended to be included therein.

The embodiment solves the problems of reducing the overall height of the loader and widening the application range; by adopting the side cab system, the arrangement height is not limited by the gearbox; the working device system is matched with the cab, the arrangement height of the working device system is lower than the sight line of a driver, the deflection angle of the sight line of the driver is small in forward and backward driving, the visual field is good, and the safety is high; the steering wheel is cancelled, the moving space of a driver is large, and the operation comfort is improved; the movable arm oil cylinder is vertically arranged in a lower supporting mode, so that the lifting capacity is high, and the transportation stability is good.

Claims

1. A novel underground loader comprises a rear frame (2) and a front frame (3), wherein the rear frame (2) is connected with a cab system (4), and the front frame (3) is connected with a working device system (1); the method is characterized in that: the cab system (4) comprises a cab body (4-1), and the cab body (4-1) is fixed on the side surface of the rear frame (2); the working device system (1) comprises a movable arm oil cylinder (10), a movable arm (11), a tipping bucket oil cylinder (12), a rocker arm (13), a pull rod (14) and a bucket (15); the rear end of the movable arm (11) is hinged to the front frame (3) at a point C, and the front end of the movable arm (11) is hinged to the lower part of the bucket (15); the upper end of the rocker arm (13) is hinged with the extending end of the tipping bucket oil cylinder (12), and the other end of the tipping bucket oil cylinder (12) is hinged with the front frame (3) at a point D; the middle part of the rocker arm (13) is hinged with the middle part of the movable arm (11); the lower end of the rocker arm (13) is hinged with one end of a pull rod (14), and the other end of the pull rod (14) is hinged with the middle part of the bucket (15); the movable arm oil cylinder (10) is respectively hinged A, B with the front frame (3) and the movable arm (11).

2. The novel down-hole loader of claim 1, characterized in that: a flange (4-3) and an operating lever mounting seat (4-4) are arranged on one side, close to the rear frame (2), of the cab body (4-1); the flange (4-3) penetrates through a side hole of the rear frame (2) to enter the rear frame (2), and a gearbox (16) fixed in the rear frame (2) is arranged on the front side of the flange (4-3); the operating lever mounting seat (4-4) is positioned above the flange (4-3), and a steering handle (4-5) and a gear shifting handle (4-10) are arranged on the operating lever mounting seat (4-4).

3. The novel down-hole loader of claim 2, characterized in that: the operating rod mounting seat (4-4) is provided with a groove (4-12) at the lower position of one side far away from the rear frame (2), and the upper part of the flange (4-3) is provided with a drawing shape (4-11) relatively matched with the groove (4-12).

4. The novel down-hole loader of claim 2, characterized in that: a lower fixing seat I (4-2) is fixed on the lower surface of the cab body (4-1), and a middle fixing seat II (4-13) is fixed on one side surface of the cab body (4-1) close to the rear frame (2); a mounting plate is fixed on one side surface of the rear frame (2) close to the cab body (4-1), and a connecting hole matched with the lower fixing seat I (4-2) is formed in the mounting plate; the upper end of one side surface of the rear frame (2) close to the cab body (4-1) is provided with a connecting hole matched with the middle fixing seat II (4-13).

5. The novel down-hole loader of claim 2, characterized in that: a seat mounting seat (4-6) is arranged in the cab body (4-1), a seat (4-7) is arranged at the upper part of the seat mounting seat (4-6), a storage battery (4-8) is arranged at the lower part of the seat mounting seat (4-6), and a protection plate (4-9) is arranged at the rear part of the cab body (4-1).

6. The novel down-hole loader of claim 1, characterized in that: the lower end of the movable arm oil cylinder (10) is hinged and installed inside the front frame (3), when the bucket (15) is located at the lowest position, the hinge point A is located at the position close to the rear position below the hinge point D, the hinge point B is located at the position close to the front position below the hinge point D, and the hinge point B is higher than the hinge point A; and the hinge point C is positioned at the position close to the back above the hinge point D.