CN112373590A

CN112373590A - Vehicle chassis with adjustable track

Info

Publication number: CN112373590A
Application number: CN202011461147.2A
Authority: CN
Inventors: 刘毅; 司志强; 郭宗良; 冯贞阳; 侯宇飞; 王福钊; 牟鹏博; 彭奇; 刘威威; 马林
Original assignee: Chinese People's Liberation Army Ground Force Armored Force Academy Bengbu Campus
Current assignee: Chinese People's Liberation Army Ground Force Armored Force Academy Bengbu Campus
Priority date: 2020-12-11
Filing date: 2020-12-11
Publication date: 2021-02-19

Abstract

The invention discloses a vehicle chassis with an adjustable crawler belt, which comprises a chassis and a mounting seat, wherein the lower ends of two sides of the mounting seat are respectively provided with a first support, the first supports are rotatably connected with a belt wheel, the belt wheel is in transmission connection with the crawler belt, two sides of the upper surface of the mounting seat are respectively provided with a hydraulic lifting part capable of lifting, and the upper end of the hydraulic lifting part is fixedly connected with the lower end of the chassis. The crawler belt lifting device solves the problems that a chassis of a crawler belt vehicle in the prior art is inconvenient to adjust, and when meeting a sludge terrain, sludge can be stained on the chassis, and even a vehicle is prevented from moving forwards.

Description

Vehicle chassis with adjustable track

Technical Field

The invention relates to a vehicle chassis, in particular to a vehicle chassis with an adjustable crawler belt.

Background

At present, the crawler belt is widely used in most special vehicles, the size of the crawler belt is from a tank to a robot, and through development for many years, the crawler belt technology and the crawler belt suspension technology are mature, so that the crawler belt is suitable for most of different types of pavements. However, the height of the chassis of the existing vehicle is inconvenient to adjust, and particularly when the tracked vehicle passes through a muddy terrain, the chassis is too low and easily accumulates silt, so that the vehicle is difficult to advance. Causing damage to the transported goods and bringing inconvenience to the use of the tracked vehicle. Moreover, a plurality of devices are arranged on the special crawler vehicle, and once the special crawler vehicle is polluted, the cleaning of the polluted sludge is very difficult.

Disclosure of Invention

The purpose of the invention is as follows: the invention aims to solve the technical problem of providing a vehicle chassis with an adjustable crawler belt, and aims to solve the problems that the chassis of a crawler vehicle in the prior art is inconvenient to adjust, and when a muddy terrain is encountered, silt can be attached to the chassis, and even the vehicle is prevented from advancing.

The technical scheme is as follows: the vehicle chassis with the adjustable crawler comprises a chassis and a mounting seat, wherein the lower ends of two sides of the mounting seat are respectively provided with a first support, the first supports are rotatably connected with a belt wheel, the belt wheel is in transmission connection with the crawler, two sides of the upper surface of the mounting seat are respectively provided with a hydraulic lifting piece capable of lifting, and the upper end of the hydraulic lifting piece is fixedly connected with the lower end of the chassis.

Furthermore, hydraulic pressure lift spare is including round pin axle, through round pin axle articulated crossbar and install the epaxial first pneumatic cylinder of round pin, and the flexible lift that can drive the crossbar of first pneumatic cylinder, the first pneumatic cylinder of both sides hydraulic pressure lift spare is opposite reverse setting.

Furthermore, a groove is formed in the position, corresponding to the hydraulic lifting piece, of the upper surface of the mounting base, and the hydraulic lifting piece is fixedly arranged in the groove.

Furthermore, the outside cover of hydraulic pressure lift spare is equipped with flexible shell.

Furthermore, the adjusting frames are rotatably mounted at two ends of the inner side of the belt wheel, the hanging frame is mounted below one end, close to each other, of the two adjusting frames, a pressing wheel is fixedly connected to the lower portion of the hanging frame and meshed with the crawler belt, a second telescopic hydraulic cylinder is mounted in the middle of the mounting seat, and the lower end of the second hydraulic cylinder is fixedly connected with the inner end of the adjusting frame.

Has the advantages that: the advantages of the device include:

1. the hydraulic lifting piece is arranged, the hydraulic lifting piece can drive the chassis to lift, the chassis can be prevented from being stained with a large amount of sludge when the chassis passes through a sludge terrain when rising, and the hydraulic lifting piece using the structure is simpler and is easy to maintain;

2. the flexible shell is arranged, and the hydraulic lifting piece can be protected by the flexible shell, so that the hydraulic lifting piece is prevented from being polluted;

3. the adjustment of the compaction state of the crawler belt can be realized by arranging the hydraulic cylinder and the pressing wheel, and different requirements are met.

Drawings

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

FIG. 2 is a schematic structural view of a hydraulic lifting member of the present invention;

FIG. 3 is a schematic view of the structure of the lower part of the present invention;

figure 4 is a schematic diagram of the hanger and puck structure of the present invention.

Fig. 5 is a schematic structural diagram of a second embodiment of the present invention.

In the figure: 1. a chassis; 2. a hydraulic lifting member; 21. a cross bar; 22. a pin shaft; 23. a first hydraulic cylinder; 3. a groove; 4. a mounting seat; 5. a second hydraulic cylinder; 6. an adjusting bracket; 7. a crawler belt; 8. a pulley; 9. a hanger; 10. a pinch roller; 11. a first bracket; 12. a flexible housing.

Detailed Description

Example one

Referring to fig. 1, in the embodiment of the present invention, the tracked vehicle chassis includes two belt wheels 8 arranged side by side, a track 7 is drivingly connected to the belt wheels 8, and the belt wheels 8 should be driven by a driving device, so that when the belt wheels 8 rotate, the track 7 can rotate, thereby achieving the movement of the vehicle.

With continued reference to fig. 1, the two ends of the belt wheel 8 are rotatably provided with first brackets 11, the upper ends of the first brackets 11 are connected with a mounting seat 4, the two sides of the upper surface of the mounting seat 4 are respectively provided with a hydraulic lifting part 2, the upper surface of the hydraulic lifting part 2 is fixedly connected with a chassis 1, and the hydraulic lifting part 2 can drive the chassis 1 to lift, so that the vehicle can move in the sludge without the sludge touching the chassis 1.

As shown in fig. 2, the hydraulic lifting element 2 includes a pin 22, a cross rod 21 hinged by the pin 22, and a first hydraulic cylinder 23 mounted on the pin 22, a flexible casing 12 is sleeved outside the hydraulic lifting element 2, the first hydraulic cylinder 23 can drive the cross rod 21 to change its angle, so as to extend and shorten the hydraulic lifting element 2, so as to lift the chassis 1, the lifting manner is more stable, the stability of the device is ensured, the flexible casing 12 is used for protecting the hydraulic lifting element 2, and preventing the hydraulic lifting element from being polluted by sludge, and the flexible casing 12 may be flexible plastic, silica gel, etc.; the hydraulic lifters 2 are oppositely arranged in the direction of the first hydraulic cylinder 23.

As shown in fig. 1 and 3, a groove 3 is formed in a position, corresponding to the hydraulic lifting member 2, on the upper surface of the mounting base 4, the hydraulic lifting member 2 and the lower end of the flexible housing 12 are both located inside the groove 3, and the groove 3 is used for accommodating the hydraulic lifting member 2.

With continued reference to fig. 1 and 4, the two ends of the inner side of the belt wheel 8 are rotatably provided with the adjusting frames 6, the lower part of the end, close to each other, of each of the two adjusting frames 6 is provided with a hanging bracket 9, a pressing wheel 10 is fixedly connected to the lower part of the hanging bracket 9, the pressing wheel 10 is meshed with the crawler 7, and when the crawler 7 runs, the pressing wheel 10 can press the crawler 7 tightly.

Continuing to refer to fig. 1, the position that is close to both sides in the middle of the inside of mount pad 4 all installs second pneumatic cylinder 5, and the lower extreme of second pneumatic cylinder 5 and the inner rigid coupling of alignment jig 6, rotate through the bearing between alignment jig 6 and the axis of band pulley 8 and be connected, and second pneumatic cylinder 5 can drive the angle of alignment jig 6 and take place to adjust, and then realizes the position control of pinch roller 10 to the state that realizes compressing tightly of track 7 is different.

The working principle and the using process of the invention are as follows: when the device is used, the belt wheel 8 is driven by a driving device, when the belt wheel 8 rotates, the crawler 7 can rotate, so that the vehicle can move, the second hydraulic cylinder 5 can drive the angle of the adjusting frame 6 to be adjusted, so that the position of the pressing wheel 10 is adjusted, and the crawler 7 is in different pressing states; when meetting darker silt, first pneumatic cylinder 23 can drive the angle of crossbar 21 and change to realize the extension and the shortening of hydraulic pressure lift 2, with the rising of realizing chassis 1, avoid chassis 1 to be infected with silt, when hydraulic pressure lift 2 extends, flexible shell 12 is scalable, is infected with silt in order to avoid hydraulic pressure lift 2.

Example two

Referring to fig. 5, in the embodiment of the present invention, the tracked vehicle chassis includes two belt wheels 8 arranged side by side, a track 7 is connected to the belt wheels 8 in a transmission manner, the belt wheels 8 should be driven by a driving device, and when the belt wheels 8 rotate, the track 7 can rotate, thereby achieving the movement of the vehicle;

with continued reference to fig. 5, the two ends of the belt wheel 8 are rotatably provided with first brackets 11, the upper ends of the first brackets 11 are connected with a mounting seat 4, the two sides of the upper surface of the mounting seat 4 are both provided with hydraulic lifting parts 2, the upper surface of the hydraulic lifting parts 2 is fixedly connected with a chassis 1, and the hydraulic lifting parts 2 can drive the chassis 1 to lift so that the vehicle can move in the sludge without the sludge touching the chassis 1;

as shown in fig. 2, the hydraulic lifting element 2 includes a pin 22, a cross rod 21 hinged by the pin 22, and a first hydraulic cylinder 23 mounted on the pin 22, a flexible casing 12 is sleeved outside the hydraulic lifting element 2, the first hydraulic cylinder 23 can drive the cross rod 21 to change its angle, so as to extend and shorten the hydraulic lifting element 2, so as to lift the chassis 1, the lifting manner is more stable, the stability of the device is ensured, the flexible casing 12 is used for protecting the hydraulic lifting element 2, and preventing the hydraulic lifting element from being polluted by sludge, and the flexible casing 12 is made of flexible plastic, silica gel, or the like;

as shown in fig. 5, a groove 3 is formed in the upper surface of the mounting seat 4 at a position corresponding to the hydraulic lifting member 2, the hydraulic lifting member 2 and the lower end of the flexible housing 12 are both located inside the groove 3, and the groove 3 is used for accommodating the hydraulic lifting member 2;

the working principle and the using process of the invention are as follows: when using this device, band pulley 8 should be driven by drive arrangement, when band pulley 8 rotates, can make track 7 gyration, and then realize the removal of vehicle, when meetting darker silt, first pneumatic cylinder 23 can drive the angle of crossbar 21 and change, with the extension and the shortening of realizing hydraulic pressure lift 2, with the rising of realizing chassis 1, avoid chassis 1 to be infected with silt, when hydraulic pressure lift 2 is elongated, flexible shell 12 is scalable, with avoid hydraulic pressure lift 2 to receive silt to be infected with.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a track adjustable vehicle chassis, includes chassis (1) and mount pad (4), and mount pad (4) both sides lower extreme respectively sets up first support (11), rotates on first support (11) and connects band pulley (8), the transmission connection has track (7), its characterized in that on band pulley (8): the hydraulic lifting piece (2) capable of lifting is arranged on each of two sides of the upper surface of the mounting seat (4), and the upper end of each hydraulic lifting piece (2) is fixedly connected with the lower end of the corresponding chassis (1).

2. The track adjustable vehicle chassis of claim 1, wherein: the hydraulic lifting piece (2) comprises a pin shaft (22), a cross rod (21) hinged through the pin shaft (22) and a first hydraulic cylinder (23) installed on the pin shaft (22), the first hydraulic cylinder (23) stretches and retracts to drive the cross rod (21) to lift, and the first hydraulic cylinders (23) of the hydraulic lifting pieces (2) on two sides are arranged in opposite directions.

3. The track adjustable vehicle chassis of claim 2, wherein: the upper surface of the mounting seat (4) is provided with a groove (3) at a position corresponding to the hydraulic lifting piece (2), and the hydraulic lifting piece (2) is fixedly arranged in the groove (3).

4. The track adjustable vehicle chassis of claim 2, wherein: the outer sleeve of hydraulic pressure lift (2) is equipped with flexible shell (12).

5. The track adjustable vehicle chassis of claim 2, wherein: the inboard both ends of band pulley (8) all rotate and install alignment jig (6), and gallows (9) are installed to the one end below that two alignment jigs (6) are close to each other, and the below rigid coupling of gallows (9) has pinch roller (10), pinch roller (10) and track (7) meshing, second pneumatic cylinder (5) that can stretch out and draw back are installed to mount pad (4) middle part, the lower extreme of second pneumatic cylinder (5) and the inner rigid coupling of alignment jig (6).