CN215759288U - Excavator chassis heightening device - Google Patents

Abstract

The utility model discloses a heightening device for an excavator chassis, and belongs to the field of excavator chassis. An excavator chassis heightening device, comprising: the chassis frame, the supporting seat and the hydraulic rod; the supporting seat is fixedly arranged on the chassis frame; the hydraulic rod is fixedly installed on the supporting seat; a supporting platform is fixedly arranged at the upper end of the hydraulic rod; the supporting seat is provided with an inner cavity; a driving shaft is rotatably connected inside the supporting seat; two pairs of driving shafts are symmetrically and uniformly distributed in the supporting seat; the driving shafts are fixedly provided with a first gear; the first gears are meshed with each other; the supporting seat is fixedly provided with a double-head motor between the driving shafts; the double-end motor is connected with the two driving shafts; compared with the prior art, the excavator chassis heightening device can help an excavator to work in water, and meanwhile when the excavator is flooded, the air cushion can help a driver to be rescued.

Description

Excavator chassis heightening device

Technical Field

The utility model relates to the field of excavator chassis, in particular to an excavator chassis heightening device.

Background

Excavators, also known as excavating machines, also known as excavators, are earth moving machines that excavate material above or below a load bearing surface with a bucket and load it into a transport vehicle or unload it to a stockyard. The materials excavated by the excavator mainly comprise soil, coal, silt, soil subjected to pre-loosening and rocks. In view of the development of construction machines in recent years, the development of excavators is relatively fast, and the excavator has become one of the most important construction machines in construction. The three most important parameters of an excavator are the operating weight (mass), the engine power and the bucket capacity.

The excavator is in a severe working environment, and particularly works at wet rivers or seasides, so that the excavator body is easy to sink into soil, and normal operation is influenced; even after the digging of the excavator is finished, the excavator can be submerged due to the fact that water flows backwards; therefore, in view of the above-mentioned severe circumstances, an excavator chassis heightening device has been proposed.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects of the prior art, the utility model provides a heightening device for an excavator chassis.

The purpose of the utility model can be realized by the following technical scheme:

an excavator chassis heightening device, comprising: the chassis frame, the supporting seat and the hydraulic rod; the supporting seat is fixedly arranged on the chassis frame; the hydraulic rod is fixedly installed on the supporting seat; a supporting platform is fixedly arranged at the upper end of the hydraulic rod; the supporting seat is provided with an inner cavity; a driving shaft is rotatably connected inside the supporting seat; two pairs of driving shafts are symmetrically and uniformly distributed in the supporting seat; the driving shafts are fixedly provided with a first gear; the first gears are meshed with each other; the supporting seat is fixedly provided with a double-head motor between the driving shafts; the double-end motor is connected with the two driving shafts; the driving shafts are fixedly provided with fixing plates; an electric push rod is fixedly arranged in the fixed plate; the fixed plate is connected with a sliding block in a sliding manner; the electric push rod and the slide block are fixedly arranged; the sliding block is rotatably connected with a driven shaft; a second gear is fixedly mounted on the driven shaft; one end of the fixed plate, which is close to the second gear, is provided with a rack; the rack is matched with the second gear; a storage box is fixedly arranged on the driven shaft; an air cushion is arranged inside the storage box; the storage box is provided with a rotary cover; rectangular cavities are formed in the storage box on two sides of the rotary cover; the storage box is rotatably connected with a driving shaft and a rotating shaft; chain wheels are fixedly arranged on the driving shaft and the rotating shaft in the rectangular cavity; the chain wheels are connected through a chain; the rotating shaft and the rotating cover are fixedly arranged; the air cushion is fixedly installed with the storage box; a first motor is arranged in the rectangular cavity; the first motor and the driving shaft are driven by bevel gears.

Further, an air pump is fixedly arranged on the supporting platform; an air pipe is fixedly arranged on the air pump; the trachea passes the receiver and is connected with the air cushion.

Further, the chassis frame is fixedly provided with a crawler belt; and the chassis frame is provided with a shell at the upper end of the crawler.

Further, a winding shaft is rotatably connected inside the storage box; a second motor is arranged inside the rectangular cavity; the second motor is connected with the winding shaft; the winding shaft is fixedly installed with one end of the air cushion.

Further, the inside equipartition of receiver has the through-hole.

The utility model has the beneficial effects that:

the excavator chassis heightening device can help an excavator to work in water, and meanwhile, when the excavator is submerged, a driver can be helped to be rescued through the air cushion.

Drawings

The utility model will be further described with reference to the accompanying drawings.

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

FIG. 2 is a schematic diagram of the internal structure of the present application;

fig. 3 is an enlarged schematic view at a of the present application.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "opening," "upper," "lower," "thickness," "top," "middle," "length," "inner," "peripheral," and the like are used in an orientation or positional relationship that is merely for convenience in describing and simplifying the description, and do not indicate or imply that the referenced component or element must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be considered as limiting the present invention.

In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

As shown in fig. 1 to 3, an excavator chassis heightening device includes: the device comprises a chassis frame 1, a supporting seat 2 and a hydraulic rod 3; the chassis frame 1 is fixedly provided with a supporting seat 2; a hydraulic rod 3 is fixedly arranged on the supporting seat 2; a supporting platform 4 is fixedly arranged at the upper end of the hydraulic rod 3; the supporting seat 2 is provided with an inner cavity; a driving shaft 5 is rotatably connected inside the supporting seat 2; two pairs of driving shafts 5 are symmetrically and uniformly distributed in the supporting seat 2; the driving shafts 5 are fixedly provided with a first gear 17; the first gears 17 are meshed with each other; a double-head motor is fixedly arranged between the driving shafts 5 on the supporting seat 2; the double-head motor is connected with the two driving shafts 5; the driving shafts 5 are all fixedly provided with a fixed plate 6; an electric push rod 7 is fixedly arranged in the fixed plate 6; the fixed plate 6 is connected with a slide block 8 in a sliding way; the slide block 8 is rotationally connected with a driven shaft; a second gear 9 is fixedly arranged on the driven shaft; one end of the fixed plate 6, which is close to the second gear 9, is provided with a rack 10; the rack 10 is matched with the second gear 9; the driven shaft is fixedly provided with a storage box 11; an air cushion is arranged inside the storage box 11; the storage box 11 is provided with a rotary cover 16; the storage box 11 is provided with rectangular cavities at two sides of the rotary cover 16; a drive shaft 12 and a rotation shaft 13 are rotatably connected to the storage case 11; chain wheels are fixedly arranged in the rectangular cavities of the driving shaft 12 and the rotating shaft 13; the sprockets are connected by a chain 14; the rotating shaft 13 and the rotating cover 16 are fixedly arranged; the air cushion is fixedly installed with the storage box 11; a first motor 15 is arranged inside the rectangular cavity; the first motor 15 and the driving shaft 12 are driven by bevel gears.

In the following, the principle of the present invention is explained, in the initial state, the storage case 11 is placed on both sides of the support base 2 and the upper end of the chassis frame 1; when the excavator encounters high water level, the support platform 4 is lifted through the hydraulic rod 3, the support platform 4 is used for installing devices such as a cab, a bucket and a main power supply of the excavator, and after the support platform 4 is lifted, the device is prevented from entering water to cause the excavator failure; in addition, if the excavator needs underwater operation or the excavator is submerged, the storage box 11 is moved to the outer side by driving the driving shaft 5, the storage box 11 is located at the horizontal position by the electric push rod 7, then the storage box 11 is opened by the driving motor I15, then the air cushion which is shriveled in the storage box 11 is inflated by the inflating device such as an air pump and the like, and after the air cushion is full, the air cushion is located between the supporting platform 4 and the storage box 11, so that the supporting platform 4 is supported, at the moment, the driving cabin is located between the water surfaces, main power supply equipment of the excavator cannot be submerged, the excavator can work in water, and a driver does not have life risk; in addition, the first motor 15, the electric push rod 7 and the double-head motor are all provided with standby power supplies, and the phenomenon that main power supply equipment does not work and air cushion equipment cannot work is avoided.

Further, the supporting platform 4 is fixedly provided with an air pump; an air pipe is fixedly arranged on the air pump; the air pipe penetrates through the storage box 11 and is connected with the air cushion; inflate through the air pump, can make the air cushion of shriveling full of fast.

Further, the chassis frame 1 is fixedly provided with a crawler belt; the chassis frame 1 is provided with a shell at the upper end of the crawler; above-mentioned design makes to excavate and can work in humid area, through set up the shell on the track, avoids the air cushion by the shell fish tail.

Further, a winding shaft is rotatably connected inside the storage box 11; a second motor is arranged inside the rectangular cavity; the second motor is connected with the winding shaft; the winding shaft is fixedly arranged with one end of the air cushion; when the air cushion is withdrawn, the air cushion can be rapidly withdrawn by rotating the winding shaft when the air in the air cushion is pumped out or the release is finished.

Further, the through-hole is evenly distributed in the storage box 11, and the through-hole is used for water drainage.

The foregoing shows and describes the general principles, essential features, and advantages of the utility model. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the utility model as claimed.

Claims (5)

1. An excavator chassis heightening device is characterized by comprising: the device comprises a chassis frame (1), a supporting seat (2) and a hydraulic rod (3); the supporting seat (2) is fixedly arranged on the chassis frame (1); the hydraulic rod (3) is fixedly arranged on the supporting seat (2); a supporting platform (4) is fixedly arranged at the upper end of the hydraulic rod (3); the supporting seat (2) is provided with an inner cavity; a driving shaft (5) is rotatably connected inside the supporting seat (2); two pairs of driving shafts (5) are symmetrically and uniformly distributed in the supporting seat (2); the driving shafts (5) are fixedly provided with a first gear (17); the first gears (17) are meshed with each other; the supporting seat (2) is fixedly provided with a double-head motor between the driving shafts (5); the double-head motor is connected with the two driving shafts (5); the driving shafts (5) are fixedly provided with fixing plates (6); an electric push rod (7) is fixedly arranged in the fixed plate (6); the fixed plate (6) is connected with a sliding block (8) in a sliding manner; the electric push rod (7) and the slide block (8) are fixedly arranged; the slide block (8) is rotatably connected with a driven shaft; a second gear (9) is fixedly mounted on the driven shaft; one end of the fixed plate (6) close to the second gear (9) is provided with a rack (10); the rack (10) is matched with the second gear (9); a storage box (11) is fixedly arranged on the driven shaft; an air cushion is arranged inside the storage box (11); the storage box (11) is provided with a rotary cover (16); rectangular cavities are formed in the storage box (11) on two sides of the rotary cover (16); the storage box (11) is rotatably connected with a driving shaft (12) and a rotating shaft (13); chain wheels are fixedly arranged on the driving shaft (12) and the rotating shaft (13) in the rectangular cavity; the chain wheels are connected through a chain (14); the rotating shaft (13) and the rotating cover (16) are fixedly arranged; the air cushion is fixedly installed with the storage box (11); a first motor (15) is arranged in the rectangular cavity; the first motor (15) and the driving shaft (12) are driven by bevel gears.

2. The excavator chassis heightening device according to claim 1, wherein the support platform (4) is fixedly provided with an air pump; an air pipe is fixedly arranged on the air pump; the air pipe penetrates through the storage box (11) and is connected with the air cushion.

3. The excavator chassis heightening device according to claim 1, wherein the chassis frame (1) is fixedly provided with a crawler; the chassis frame (1) is provided with a shell at the upper end of the crawler belt.

4. The excavator chassis heightening device according to claim 1, wherein a winding shaft is rotatably connected to an inside of the storage box (11); a second motor is arranged inside the rectangular cavity; the second motor is connected with the winding shaft; the winding shaft is fixedly installed with one end of the air cushion.

5. The excavator chassis heightening device according to claim 1, wherein through holes are uniformly distributed in the storage box (11).

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