CN220058140U - Excavator - Google Patents

Abstract

The present utility model provides an excavator, comprising: excavator body, locate the rotary mechanism of excavator body arm bottom, locate the bucket of rotary mechanism bottom and locate rail running gear on the excavator body chassis, wherein: the rotary mechanism comprises a circular shell, an inverted T-shaped rotary table, a driven gear, a gear shell, a driving gear, a first hydraulic motor and a mounting seat, wherein the circular shell is arranged at the bottom end of the extension arm, and the inverted T-shaped rotary table is rotatably arranged at the bottom of the circular shell. According to the excavator provided by the utility model, under the action of the rotating mechanism, the angle of the excavator bucket can be adjusted in the vertical left-right direction and can be adjusted in the horizontal direction in a rotating way, so that the angle of the excavator bucket can be matched with the drainage channel at the inner edge of a tunnel to clean garbage; meanwhile, under the action of the steel rail travelling device, the excavator can travel on rails, and is convenient for railway construction and use penetrating through tunnels.

Description

Excavator

Technical Field

The utility model relates to the technical field of engineering equipment, in particular to an excavator.

Background

Chinese patent publication (bulletin) No. CN215926105U discloses an excavator, which comprises a lower body and an upper body, wherein the upper body comprises a rotary platform rotatably mounted on the lower body and a movable arm mounted at the front part of the rotary platform, the movable arm is provided with a front lifting lug for tying a sling for lifting the whole machine, the rear part of the upper body is provided with two rear lifting lugs which are arranged at intervals left and right and are used for tying the sling for lifting the whole machine, and the rear lifting lug is positioned at the top of the upper body.

Although the excavator is characterized in that the tying point of the sling at the front part of the excavator is positioned on the movable arm during hoisting, the tying point at the rear part of the excavator is positioned at the rear part of the upper automobile body, the sling above the tying point cannot be contacted with the excavator to cause damage to the excavator under the condition that a hoisting tool is not used, in addition, the tying point is higher and higher than the gravity center position of the excavator, and the stability of the excavator during hoisting is improved.

However, the excavator can only adjust the angle in the vertical left-right direction, but cannot rotate in the horizontal direction, so that the angle of the excavator is difficult to be matched with the drainage channel at the inner edge of the tunnel to clean garbage, and in addition, the excavator cannot walk on rails, so that the excavator cannot be used for railway construction penetrating the tunnel.

Disclosure of Invention

The utility model aims to solve the problems in the background art and provides an excavator.

The specific technical scheme is as follows:

an excavator comprises an excavator body, a rotating mechanism arranged at the bottom end of an extending arm of the excavator body, a bucket arranged at the bottom of the rotating mechanism and a steel rail travelling device arranged on an underframe of the excavator body.

The excavator above, wherein: the rotary mechanism comprises a circular shell, an inverted T-shaped rotary table, a driven gear, a gear shell, a driving gear, a first hydraulic motor and a mounting seat, wherein the circular shell is arranged at the bottom end of the extending arm, the inverted T-shaped rotary table is rotatably arranged at the bottom of the circular shell, the driven gear is rotatably arranged inside the circular shell, the gear shell is fixedly arranged outside the circular shell, the driving gear is rotatably arranged inside the gear shell, teeth of the driving gear movably extend into the inside of the circular shell and are meshed with the driving gear, the first hydraulic motor is fixedly arranged on the upper portion of the gear shell, an output shaft of the first hydraulic motor movably extends into the inside of the gear shell and is fixedly connected with the central position of the driving gear, and the mounting seat is fixedly arranged at the bottom of the inverted T-shaped rotary table.

The excavator above, wherein: the bottom of mount pad is through round pin axle demountable installation there being the connecting seat, the welding has the linking arm on the bucket, the linking arm articulates through the round pin axle the one end of connecting seat, the other end of connecting seat with articulated between the linking arm have a pneumatic cylinder.

The excavator above, wherein: and a plurality of through holes are formed in the side wall and the bottom wall of the excavator bucket.

The excavator above, wherein: the rail running gear includes two H shape link, two the H shape link articulates respectively the front and back both ends of excavator body chassis, every H shape link with all articulate there is the second pneumatic cylinder between the excavator body chassis, and every the H shape link is kept away from the equal fixed mounting of one end of excavator body chassis has the crossbeam, every the rail wheel is all installed in the rotation of both ends of crossbeam, one of them the inside fixed mounting of crossbeam has and is used for the drive rail wheel pivoted second hydraulic motor.

The excavator above, wherein: the electronic limiter is fixedly installed on a chassis of the excavator body and is matched with the movable arm.

The excavator above, wherein: the electronic limiter is an infrared sensor.

The utility model has the following beneficial effects:

the excavator provided by the utility model mainly comprises an excavator body, a rotating mechanism, a bucket and a steel rail travelling device, under the action of the rotating mechanism, the angle of the bucket can be adjusted in the vertical left-right direction and in the horizontal direction, and the angle of the bucket can be adjusted in a rotating way so as to be suitable for cleaning garbage by a drainage channel at the inner edge of a tunnel; meanwhile, under the action of the steel rail travelling device, the excavator can travel on rails, and is convenient for railway construction and use penetrating through tunnels.

Drawings

FIG. 1 is a schematic view of an excavator according to an embodiment of the present utility model;

FIG. 2 is an enlarged schematic view of the structure of FIG. 1 at view A;

FIG. 3 is a schematic view of an excavator according to an embodiment of the present utility model;

FIG. 4 is a schematic view of a partial cross-sectional structure of an excavator according to an embodiment of the present utility model;

fig. 5 is a schematic view of a partial structure of an excavator according to an embodiment of the present utility model.

In the accompanying drawings:

1. an excavator body; 101. a movable arm; 102. extending arms;

2. a rotation mechanism; 201. a circular housing; 202. an inverted T-shaped turntable; 203. a mounting base; 204. a driven gear; 205. a drive gear; 206. a gear housing; 207. a first hydraulic motor;

3. a bucket; 301. a connecting arm; 302. a through hole; 303. a connecting seat; 304. a first hydraulic cylinder;

4. rail running gear; 401. an H-shaped connecting frame; 402. a second hydraulic cylinder; 403. a cross beam; 404. a rail wheel;

5. an electronic limiter.

Detailed Description

The technical scheme of the utility model is further described below by the specific embodiments with reference to the accompanying drawings.

Wherein the drawings are for illustrative purposes only and are shown in schematic, non-physical, and not intended to be limiting of the present patent; for the purpose of better illustrating embodiments of the utility model, certain elements of the drawings may be omitted, enlarged or reduced and do not represent the size of the actual product; it will be appreciated by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.

The same or similar reference numbers in the drawings of embodiments of the utility model correspond to the same or similar components; in the description of the present utility model, it should be understood that, if the terms "upper", "lower", "left", "right", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, only for convenience in describing the present utility model and simplifying the description, rather than indicating or implying that the apparatus or elements being referred to must have a specific orientation, be constructed and operated in a specific orientation, so that the terms describing the positional relationships in the drawings are merely for exemplary illustration and should not be construed as limiting the present patent, and that the specific meaning of the terms described above may be understood by those of ordinary skill in the art according to specific circumstances.

In the description of the present utility model, unless explicitly stated and limited otherwise, the term "coupled" or the like should be interpreted broadly, as it may be fixedly coupled, detachably coupled, or integrally formed, as indicating the relationship of components; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between the two parts or interaction relationship between the two parts. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

Examples

The excavator provided in this embodiment, as shown in fig. 1 to 5, includes: the excavator comprises an excavator body 1, a rotating mechanism 2 arranged at the bottom end of an extending arm 102 of the excavator body 1, a bucket 3 arranged at the bottom of the rotating mechanism 2 and a steel rail travelling device 4 arranged on an underframe of the excavator body 1.

The excavator adopting the technical scheme mainly comprises an excavator body 1, a rotating mechanism 2, a bucket 3 and a steel rail traveling device 4, under the action of the rotating mechanism 2, the angle of the bucket 3 can be adjusted in the vertical left-right direction and in the horizontal direction, and the angle of the bucket can be adjusted in a rotating mode to be suitable for cleaning garbage in a drainage channel at the inner edge of a tunnel; meanwhile, under the action of the steel rail travelling device 4, the excavator can travel on rails, and is convenient for railway construction and use penetrating through tunnels.

Specifically, in order to realize the specific function of the rotation mechanism 2, the rotation mechanism 2 is provided to be mainly composed of a circular housing 201, an inverted T-shaped turntable 202, a driven gear 204, a gear housing 206, a driving gear 205, a first hydraulic motor 207, and a mount 203, wherein: the circular shell 201 is installed at the bottom of the cantilever 102, the inverted T-shaped rotary table 202 is rotatably installed at the bottom of the circular shell 201, the driven gear 204 is rotatably installed inside the circular shell 201, the gear shell 206 is fixedly installed outside the circular shell 201, the driving gear 205 is rotatably installed inside the gear shell 206, teeth of the driving gear 205 movably extend into the inside of the circular shell 201 and are meshed with the driving gear 205, the first hydraulic motor 207 is fixedly installed on the upper portion of the gear shell 206, and an output shaft of the first hydraulic motor 207 movably extends into the inside of the gear shell 206 and is fixedly connected with the central position of the driving gear 205, and the installation seat 203 is fixedly installed at the bottom of the inverted T-shaped rotary table 202.

Specifically, a connecting seat 303 is detachably mounted at the bottom of the mounting seat 203 through a pin shaft, a connecting arm 301 is welded on the bucket 3, the connecting arm 301 is hinged at one end of the connecting seat 303 through the pin shaft, and a first hydraulic cylinder 304 is hinged between the other end of the connecting seat 303 and the connecting arm 301.

With the rotating mechanism 2 of the above technical scheme, when in use, the first hydraulic motor 207 is used for driving the driving gear 205 to rotate, the driving gear 205 drives the driven gear 204 to drive the inverted-T-shaped rotary table 202 to rotate, and the inverted-T-shaped rotary table 202 is used for driving the bucket 3 to rotate so as to adjust the angle of the bucket 3 in the horizontal direction.

A first hydraulic cylinder 304 is provided for driving the bucket 3 to perform the digging and retracting actions.

In order to facilitate the filtration of the liquid in the bucket 3, a plurality of through holes 302 are formed in the side wall and the bottom wall of the bucket 3.

In order to realize the purpose that this excavator walks on the rail, rail running gear 4 that sets up includes two H shape link 401, two H shape link 401 articulate respectively at the front and back both ends of excavator body 1 chassis, all articulate between every H shape link 401 and the excavator body 1 chassis has second pneumatic cylinder 402, and the one end that excavator body 1 chassis was kept away from to every H shape link 401 all fixed mounting has crossbeam 403, the rail wheel 404 is all installed in the both ends rotation of every crossbeam 403, the inside fixed mounting of one of them crossbeam 403 has the second hydraulic motor that is used for driving rail wheel 404 pivoted.

The second hydraulic cylinder 402 is used for driving the H-shaped connecting frame 401 to lift so as to be convenient for stowing the rail wheel 404 when the rail wheel 404 is not needed to be used, the practicability of the excavator is not affected, and the second hydraulic motor is used for driving the rail wheel 404 on one of the cross beams 403 to walk along rails.

In order to avoid that the movable arm 101 of the excavator body 1 is lifted to the top wall of the tunnel, the excavator in this market embodiment is further provided with the electronic limiter 5 for detecting whether the movable arm 101 of the excavator body 1 is at the highest position, the electronic limiter 5 is fixedly installed on a chassis of the excavator body 1, the electronic limiter 5 is matched with the movable arm 101, the electronic limiter 5 is used for detecting whether the movable arm 101 of the excavator body 1 is at the highest position in real time, when the movable arm 101 of the excavator body 1 is detected to be at the highest position, the electronic limiter 5 generates an induction signal and sends the induction signal to a control center of the excavator, so that the movable arm 101 of the excavator body 1 cannot be lifted continuously, and at the moment, the movable arm 101 can only descend, so that the unexpected situation that the tunnel collapses due to the fact that the movable arm 101 of the excavator body 1 is lifted to the top wall of the tunnel is lifted to the highest position is avoided.

Wherein, the electronic limiter 5 can be an infrared sensor with the model number of LHl 958.

In summary, when the excavator provided in this embodiment is used, a control handle for controlling the rotation mechanism 2 and the rail running device 4 to work is additionally installed in a control chamber of the excavator, when the angle of the bucket 3 in the horizontal direction needs to be adjusted, the first hydraulic motor 207 is controlled to drive the driving gear 205 to rotate, the driving gear 205 drives the driven gear 204 to drive the inverted T-shaped turntable 202 to rotate, the inverted T-shaped turntable 202 is used for driving the bucket 3 to rotate, and the angle of the bucket 3 in the horizontal direction is adjusted, so that the bucket 3 can be just put into a drainage channel at the inner edge of a tunnel to clean garbage;

when the excavator needs to walk on the rail, controlling the piston rod of the second hydraulic cylinder 402 to extend so that the H-shaped connecting frame 401 falls until the track wheel 404 falls on the steel rail to lift the crawler belt at the bottom of the excavator, and then controlling the second hydraulic motor to drive the track wheel 404 on one of the cross beams 403 to walk along the rail;

when the excavator does not need to walk on the rail, the piston rod of the second hydraulic cylinder 402 is controlled to be shortened so that the H-shaped connecting frame 401 is lifted until the track wheel 404 leaves the rail so that the crawler belt at the bottom of the excavator lands.

The foregoing is merely illustrative of the preferred embodiments of the present utility model and is not intended to limit the embodiments and scope of the present utility model, and it should be appreciated by those skilled in the art that equivalent substitutions and obvious variations may be made using the description and illustrations of the present utility model, and are intended to be included in the scope of the present utility model.

Claims (7)

1. An excavator comprising an excavator body (1), characterized in that it further comprises:

the excavator comprises a rotating mechanism (2) arranged at the bottom end of an arm (102) of the excavator body (1), a bucket (3) arranged at the bottom of the rotating mechanism (2) and a steel rail travelling device (4) arranged on a chassis of the excavator body (1).

2. The excavator according to claim 1, wherein the rotating mechanism (2) comprises a circular housing (201), an inverted T-shaped rotary table (202), a driven gear (204), a gear housing (206), a driving gear (205), a first hydraulic motor (207) and a mounting seat (203), wherein the circular housing (201) is mounted at the bottom end of the boom (102), the inverted T-shaped rotary table (202) is rotatably mounted at the bottom of the circular housing (201), the driven gear (204) is rotatably mounted at the inside of the circular housing (201), the gear housing (206) is fixedly mounted at the outside of the circular housing (201), the driving gear (205) is rotatably mounted at the inside of the gear housing (206), and teeth of the driving gear (205) are movably extended into the inside of the circular housing (201) and are engaged with the driving gear (205), the first hydraulic motor (207) is fixedly mounted at the upper part of the gear housing (206), and the output shaft of the first hydraulic motor (207) is movably extended into the inside of the gear housing (206) and is fixedly mounted at the bottom of the rotary table (203).

3. The excavator according to claim 2, wherein the bottom of the mounting base (203) is detachably provided with a connecting base (303) through a pin shaft, a connecting arm (301) is welded on the bucket (3), the connecting arm (301) is hinged to one end of the connecting base (303) through a pin shaft, and a first hydraulic cylinder (304) is hinged between the other end of the connecting base (303) and the connecting arm (301).

4. An excavator according to claim 1 or 3, characterised in that the side walls and the bottom wall of the bucket (3) are provided with through holes (302).

5. The excavator according to claim 1, wherein the rail running gear (4) comprises two H-shaped connecting frames (401), the two H-shaped connecting frames (401) are respectively hinged to the front end and the rear end of the underframe of the excavator body (1), a second hydraulic cylinder (402) is hinged between each H-shaped connecting frame (401) and the underframe of the excavator body (1), a cross beam (403) is fixedly mounted at one end, far away from the underframe of the excavator body (1), of each H-shaped connecting frame (401), a rail wheel (404) is rotatably mounted at the two ends of each cross beam (403), and a second hydraulic motor for driving the rail wheel (404) to rotate is fixedly mounted inside one cross beam (403).

6. The excavator according to claim 1, further comprising an electronic limiter (5) for detecting whether the boom (101) of the excavator body (1) is in the highest position, the electronic limiter (5) being fixedly mounted on the chassis of the excavator body (1), and the electronic limiter (5) being arranged in cooperation with the boom (101).

7. Excavator according to claim 6, characterized in that the electronic limiter (5) is an infrared sensor.