CN215669811U

CN215669811U - Amphibious equipment chassis and amphibious excavator

Info

Publication number: CN215669811U
Application number: CN202122221488.9U
Authority: CN
Inventors: 迮甲玉
Original assignee: Jianhu Baodi Construction Machinery Co ltd
Current assignee: Jianhu Baodi Construction Machinery Co ltd
Priority date: 2021-09-14
Filing date: 2021-09-14
Publication date: 2022-01-28
Anticipated expiration: 2031-09-14

Abstract

The utility model discloses an amphibious equipment chassis and an amphibious excavator, which comprise a buoyancy tank, a track assembly, a base, a propeller, two movable supports, a longitudinal support, a transverse support, tires, a hydraulic connector and an extension rod, wherein a cylinder barrel of a first hydraulic oil cylinder is hinged with the top of the base, and a piston rod is hinged in the middle of the movable supports. The both ends of the cross arm are hinged with two longitudinal arms, two second hydraulic cylinders are installed on the cross arm, and the tire is installed on the longitudinal arms. A third hydraulic oil cylinder is installed in the longitudinal support, a piston rod of the third hydraulic oil cylinder is connected with an extension rod, the extension rod can stretch out and contract from the longitudinal support, and the other end of the extension rod is connected with a footing. The hydraulic joint is connected with a first hydraulic oil cylinder, a second hydraulic oil cylinder, a third hydraulic oil cylinder, a crawler assembly and a hydraulic motor of a tire through pipelines. The utility model is additionally provided with switchable tires, has high walking speed and small influence on the ground; when the device works in a deep water area, the stability is higher. The hydraulic system has high reliability.

Description

Amphibious equipment chassis and amphibious excavator

Technical Field

The utility model belongs to the field of amphibious equipment, and particularly relates to an amphibious equipment chassis and an amphibious excavator.

Background

Amphibious equipment, such as cranes, pile drivers, silt cleaners, excavators, and breach plugs, are not only used routinely on land, but also are suitable for use in areas such as wetlands, shoals, silted channels, river channels, lake surfaces, and the like. The amphibious excavator is one of special excavating machines, can automatically go in and out of mud ponds, water areas and river slope embankments, can run on underwater, marsh and soft ground without any other auxiliary equipment in actual construction, and can automatically go in and out of the water areas through the configuration of an engine.

The existing amphibious device has the following problems:

1. when the crawler type crawler belt is used on land, the crawler belt walks at a low speed, and the ground is easily damaged;

2. the deep water area is easy to be stressed and swing, the operation of workers is influenced, and the deep water area is very dangerous; 3. due to underwater operation, the traditional electronic equipment and the driving motor are easy to lose water and lose efficacy.

SUMMERY OF THE UTILITY MODEL

In view of the above-mentioned disadvantages of the prior art, the present invention provides an amphibious device chassis and an amphibious excavator, which has higher working efficiency and better stability by providing switchable tires and highly stable support rods and redesigning the power system.

In order to achieve the purpose, the utility model provides an amphibious equipment chassis, which comprises a buoyancy tank, a crawler assembly, a base and a propeller, wherein the chassis is connected with a machine body of an excavator through a rotary joint, the rotary joint is fixed on the base, and two support shafts are symmetrically arranged on the base; the two buoyancy tanks are symmetrically arranged on two sides of the base, and the support shafts are inserted in the buoyancy tanks to play a role in fixing; the crawler belt component comprises a crawler belt which is sleeved outside the buoyancy tank, the propeller is arranged behind the base,

the device also comprises two movable supports, a longitudinal support, a transverse support, tires, hydraulic joints and extension rods, wherein the two movable supports are positioned between the two buoyancy tanks and symmetrically arranged by taking the rotary joints as centers; one end of the movable support is hinged with the bottom of the base, the other end of the movable support is fixedly connected with a cross brace, a cylinder barrel of a first hydraulic cylinder is hinged with the top of the base, a piston rod is hinged with the middle of the movable support, two ends of the cross brace are hinged with two longitudinal braces, the middle of each longitudinal brace is hinged with the end part of each cross brace, two second hydraulic cylinders are mounted on the cross braces, the cylinder barrel is hinged on the cross brace, and the piston rod is hinged with the top ends of the longitudinal braces;

the tire is arranged on the longitudinal support and faces to one side of the longitudinal support connected with the transverse support, the longitudinal support does not exceed the plane of the outer side surface of the buoyancy tank,

a third hydraulic oil cylinder is arranged in the longitudinal support, a piston rod of the third hydraulic oil cylinder is connected with an extension rod, the extension rod can extend out and contract from the longitudinal support, the other end of the extension rod is connected with a bottom foot, the bottom foot is disc-shaped,

the hydraulic joint is arranged in the center of the rotary joint, is connected with a hydraulic system of the machine body, is connected with the first hydraulic oil cylinder, the second hydraulic oil cylinder and the third hydraulic oil cylinder through pipelines and independently drives the first hydraulic oil cylinder, the second hydraulic oil cylinder and the third hydraulic oil cylinder to extend and retract; the hydraulic joint is also connected with a hydraulic motor of the crawler belt assembly and the tire to drive the crawler belt assembly to move forwards, backwards and stop.

Furthermore, the movable support and the bottom and the top of the base are respectively provided with two hinged points, and the number of the hydraulic oil cylinders is two and the two hydraulic oil cylinders are symmetrically arranged.

Further, the bottom feet are detachably connected with the extension rod, and the bottom feet are detached when the extension rod is contracted and the longitudinal support is folded.

Furthermore, the buoyancy tank is divided into a plurality of independent tanks, and each tank is sealed independently.

Furthermore, each box body of the buoyancy tank is provided with an observation hole and a maintenance hole.

Furthermore, a switching valve and a three-way valve are arranged between the hydraulic joint and each hydraulic motor and the hydraulic oil cylinder.

Furthermore, the propeller has two, and the symmetry is installed at the stull lower surface.

Accordingly, there is provided an amphibious excavator comprising the above amphibious apparatus chassis.

The utility model has the beneficial effects that:

the amphibious equipment chassis can be installed on various amphibious equipment, is convenient to use on land, and can also move and work on water. Switchable tires are additionally arranged, so that the walking speed is high, and the influence on the ground is small; when the device works in a deep water area, the stability is higher. The hydraulic system is different from a traditional electronic system, does not need to be additionally provided with various waterproof parts, and is high in reliability.

Drawings

Figure 1 is a schematic perspective view of an amphibious excavator according to the present invention;

figure 2 is a schematic front view of an amphibious excavator according to the present invention;

figure 3 is a schematic perspective view of an amphibious apparatus chassis according to the utility model in operation;

figure 4 is a schematic plan view of an amphibious apparatus chassis according to the utility model in operation;

FIG. 5 is an enlarged front and perspective view of the hydraulic fitting of the present invention;

figure 6 is a schematic diagram of the connection of hydraulic components and hydraulic joints of an amphibious vehicle chassis according to the utility model.

In the figure: 1. a body; 2. a buoyancy tank; 3. a track assembly; 4. an extension pole; 5. footing; 6. a tire; 7. longitudinally supporting; 8. a swivel joint; 9. a hydraulic joint; 10. a first hydraulic cylinder; 11. a second hydraulic cylinder; 12. a movable support; 13. a base; 14. a propeller.

Detailed Description

The details of the present invention are described below with reference to the accompanying drawings and specific embodiments.

As shown in fig. 1 and 2, the amphibious equipment chassis comprises a buoyancy tank 2, a track assembly 3, a base 13 and a propeller 14, wherein the chassis is connected with a machine body 1 of an excavator through a rotary joint 8, the rotary joint 8 is fixed on the base 13, and two support shafts are symmetrically arranged on the base 13. The floating boxes 2 are symmetrically arranged on two sides of the base 13, and the supporting shafts are inserted in the floating boxes 2 to play a role in fixing. The crawler assembly 3 comprises a crawler which is sleeved outside the buoyancy tank 2. The buoyancy tank 2 is divided into a plurality of independent tanks, and each tank is independently sealed. Each box body of the buoyancy box 2 is provided with an observation hole and an access hole.

As shown in fig. 3 and 4, the floating box further comprises two movable supports 12, a longitudinal support 7, a transverse support (15), a tire 6, a hydraulic joint 9 and an extension rod 4, wherein the two movable supports 12 are positioned between the two floating boxes 2 and symmetrically arranged by taking the rotary joint 8 as a center. One end of the movable support 12 is hinged with the bottom of the base 13, the other end of the movable support is fixedly connected with a cross brace (15), a cylinder barrel of the first hydraulic oil cylinder 10 is hinged with the top of the base 13, and a piston rod is hinged in the middle of the movable support 12. The two propellers 14 are symmetrically arranged on the lower surface of the cross support (15). When the underwater propeller is in water, the propeller drives the chassis and the machine body to move. Two hinged points are respectively arranged at the bottom and the top of the movable support 12 and the base 13, and the number of the hydraulic oil cylinders is two and the two hydraulic oil cylinders are symmetrically arranged.

The both ends of stull (15) are articulated to have two to indulge and prop 7, and the middle part of indulging and propping 7 is articulated with stull (15) tip, installs two second hydraulic cylinder 11 on stull (15), and the cylinder articulates on stull (15), and the piston rod is articulated with indulging and props 7 top.

The tire 6 is arranged on the longitudinal support 7 and faces to one side of the longitudinal support 7 connected with the transverse support (15), the longitudinal support 7 does not exceed the plane of the outer side surface of the buoyancy tank 2,

the utility model discloses a folding device, including upright support 7, extension rod 4, footing 5, third hydraulic cylinder, upright support 7, extension rod 4, footing 5 is the disc, footing 5 detachably is connected with extension rod 4, and extension rod 4 contracts, indulges and props 7 and dismantle footing 5 when folding.

As shown in fig. 5 and 6, the hydraulic joint 9 is installed in the center of the swivel joint 8, the hydraulic joint 9 is connected with a hydraulic system of the machine body 1, and the hydraulic joint 9 is connected with the first hydraulic cylinder 10, the second hydraulic cylinder 11 and the third hydraulic cylinder through pipelines to independently drive the first hydraulic cylinder, the second hydraulic cylinder and the third hydraulic cylinder to extend and retract. The hydraulic joint 9 is also connected with the hydraulic motors of the track assemblies 3 and the tires 6, and drives the track assemblies to move forward, move backward and stop. And a switching valve and a three-way valve are arranged between the hydraulic joint 9 and each hydraulic motor and the hydraulic oil cylinder.

The working principle of the utility model is as follows:

the main technical parameters of the amphibious equipment comprise basic parameters (weight of the whole machine, length, width and height of the buoyancy tank 2, power of an engine, rotating speed of the engine, power of a main pump and grounding specific pressure of the whole machine), operation range parameters (maximum working radius and maximum construction water depth) and performance parameters (climbing capacity, underwater navigation speed and buoyancy of the whole machine).

The chassis comprises a buoyancy tank 2 and a propeller 14, and is custom-designed and manufactured according to working conditions, buoyancy, water depth, equipment weight and the like, and parameters comprise external dimensions, manufacturing materials, a walking motor, the number of track rows of a crawler chain, the total weight of the total width of a lower vehicle body, the buoyancy of the lower vehicle body and the like. When the underwater propeller is in water, the propeller drives the chassis and the machine body to move. The matched hydraulic motor is arranged to ensure that the whole machine has enough walking driving force and can walk in muddy water and climb to the bank. Can be switched to the tire 6, the walking speed is higher, and the damage to important ground such as a cement road is avoided.

Each buoyancy tank 2 is provided with a plurality of mutually independent cabin bodies according to different tonnage of the whole machine, and if a single sealed tank cabin is damaged or leaked, other sealed cabins cannot be influenced.

If in the construction of deep water region, can pass through the hydraulic switch of the hydraulic cylinder 10 of the first hydraulic cylinder in the manipulation control room, the hydraulic switch of second hydraulic cylinder 11, make vertical support 7 adjust to suitable angle. Through controlling third hydraulic cylinder's hydraulic switch, make extension rod 4 stretch out, footing 5 and the contact of bottom, the obliquely support, compare in vertical support, more can resist the invasion and attack of wave, with the reaction force of during operation to stability is higher.

The present invention uses a hydraulic motor to drive the track and tires 6, which converts the hydraulic pressure energy provided by the hydraulic pump into mechanical energy (torque and rotational speed) at its output shaft. Liquids are media that transmit forces and motions. The hydraulic motor should be capable of forward and reverse rotation, and is not sensitive to contamination of the liquid. The hydraulic joint 9 of the utility model is customized and can be connected with 20-30 paths, and the arrangement of the pipelines can be reduced by arranging a reversing valve and a three-way valve and arranging the pipelines with the same action on the left and the right into one path, such as the positive rotation of the left and the right wheels, considering the volume of the chassis.

In conclusion, the utility model can be installed on various amphibious equipment, is convenient to use on land and can also move and work on water. Switchable tires are additionally arranged, so that the walking speed is high, and the influence on the ground is small; when the device works in a deep water area, the stability is higher. The hydraulic system is different from a traditional electronic system, does not need to be additionally provided with various waterproof parts, and is high in reliability.

The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It should be understood by those skilled in the art that the foregoing embodiments are merely illustrative of the technical spirit and features of the present invention, and the present invention is not limited thereto but may be implemented by those skilled in the art.

Claims

1. An amphibious equipment chassis comprises a buoyancy tank (2), a track assembly (3), a base (13) and a propeller (14), wherein the chassis is connected with a machine body (1) of an excavator through a rotary joint (8), the base (13) is fixed on the rotary joint (8), and two support shafts are symmetrically arranged on the base (13); the two buoyancy tanks (2) are symmetrically arranged on two sides of the base (13), and the support shafts are inserted in the buoyancy tanks (2) to play a role in fixing; the crawler component (3) comprises a crawler which is sleeved outside the buoyancy tank (2), the propeller (14) is arranged behind the base (13),

the method is characterized in that: the device is characterized by further comprising two movable supports (12), longitudinal supports (7), transverse supports (15), tires (6), hydraulic joints (9) and extension rods (4), wherein the two movable supports (12) are positioned between the two buoyancy tanks (2) and symmetrically arranged by taking the rotary joints (8) as centers; one end of the movable bracket (12) is hinged with the bottom of the base (13), the other end is fixedly connected with a cross brace (15), a cylinder barrel of the first hydraulic oil cylinder (10) is hinged with the top of the base (13), a piston rod is hinged with the middle part of the movable bracket (12),

two longitudinal supports (7) are hinged to two ends of the transverse support (15), the middle of each longitudinal support (7) is hinged to the end of the transverse support (15), two second hydraulic cylinders (11) are mounted on the transverse support (15), the cylinder barrels are hinged to the transverse support (15), and the piston rods are hinged to the top ends of the longitudinal supports (7);

the tire (6) is arranged on the longitudinal support (7) and faces to one side of the longitudinal support (7) connected with the transverse support (15), the longitudinal support (7) does not exceed the plane of the outer side surface of the buoyancy tank (2),

a third hydraulic oil cylinder is arranged in the longitudinal support (7), a piston rod of the third hydraulic oil cylinder is connected with an extension rod (4), the extension rod (4) can extend out and contract from the longitudinal support (7), the other end of the extension rod (4) is connected with a bottom foot (5), the bottom foot (5) is disc-shaped,

the hydraulic joint (9) is arranged at the center of the rotary joint (8), the hydraulic joint (9) is connected with a hydraulic system of the machine body (1), and the hydraulic joint (9) is connected with the first hydraulic oil cylinder (10), the second hydraulic oil cylinder (11) and the third hydraulic oil cylinder through pipelines to independently drive the hydraulic joint to stretch and retract; the hydraulic joint (9) is also connected with the crawler belt assembly (3) and a hydraulic motor of the tire (6) to drive the crawler belt assembly to move forwards, backwards and stop.

2. An amphibious device chassis according to claim 1, in which: two hinge points are respectively arranged at the bottom and the top of the movable support (12) and the base (13), and two first hydraulic oil cylinders (10) are symmetrically arranged.

3. An amphibious device chassis according to claim 1, in which: footing (5) detachably is connected with extension rod (4), and footing (5) are demolishd when extension rod (4) shrink, indulge and prop (7) folding.

4. An amphibious device chassis according to claim 1, in which: the buoyancy tank (2) is divided into a plurality of independent tanks, and each tank is sealed independently.

5. An amphibious device chassis according to claim 4, in which: each box body of the buoyancy tank (2) is provided with an observation hole and an access hole.

6. An amphibious device chassis according to claim 1, in which: and a switching valve and a three-way valve are arranged between the hydraulic joint (9) and each hydraulic motor and the hydraulic oil cylinder.

7. An amphibious device chassis according to claim 1, in which: the two propellers (14) are symmetrically arranged on the lower surface of the cross support (15).

8. An amphibious excavator comprising an amphibious apparatus chassis as claimed in any one of claims 1 to 7.