CN215457747U

CN215457747U - Articulated frame

Info

Publication number: CN215457747U
Application number: CN202122063000.4U
Authority: CN
Inventors: 冯全玉; 王岩
Original assignee: Rongsheng Xingcheng Xinglong New Energy Development Co ltd
Current assignee: Rongsheng Xingcheng Xinglong New Energy Development Co ltd
Priority date: 2021-08-30
Filing date: 2021-08-30
Publication date: 2022-01-11
Anticipated expiration: 2031-08-30

Abstract

The utility model discloses an articulated frame, which comprises a front frame and a rear frame which are arranged on the left and the right; the fixing plate is fixedly connected to one end, facing the rear frame, of the front frame; and the shaft sleeve is fixedly connected to one end of the rear frame, which faces the front frame. According to the utility model, through the arranged connecting assembly, rigid connection between the tires and the frame can be realized, so that the purposes of saving cost and saving vehicle body weight are achieved, the vehicle can steer through rotation between the rotating shaft and the shaft sleeve, the large rotation angle between the front frame and the rear frame can steer on a narrow road surface, most of vibration can be counteracted through the damping assembly, the front frame can be lifted upwards through extruding the first damping pad and the second damping pad, the front frame can easily pass through a gradient road surface, and due to the characteristic of the articulated frame, when one tire is on an uneven road surface, the other three tires can be perfectly attached to the road surface, so that the trafficability of the vehicle to the uneven road surface is greatly increased.

Description

Articulated frame

Technical Field

The utility model relates to the technical field of frames, in particular to an articulated frame capable of increasing turning radius and reducing the weight of the frame.

Background

At present, the common floor-sweeping machines on the market generally have wheels for running along the ground and at least one rotatably driven sweeping brush for sweeping the ground and a dustbin, by means of which the ground can be swept, and because the existing floor-sweeping machines generally adopt an integral frame structure, the turning radius is relatively large, the walking is not flexible, so that the integral frame has poor adaptability to the road surface condition, and the sweeping performance is not ideal.

In addition, the integral frame type frame steering system has the disadvantages of complex structure, heavy weight, high manufacturing cost and overhigh requirement on the process level, and is particularly suitable for vehicles needing flexible movement, such as ground sweeping machines.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the defects in the prior art and provides an articulated vehicle frame.

In order to achieve the purpose, the utility model adopts the following technical scheme: an articulated frame comprises a front frame and a rear frame which are arranged on the left and the right; the fixing plate is fixedly connected to one end, facing the rear frame, of the front frame; the shaft sleeve is fixedly connected to one end, facing the front frame, of the rear frame; the connecting component and the anti-slip structure are arranged between the shaft sleeve and the fixing plate and are used for rotationally connecting the front frame and the rear frame; the shockproof assembly is arranged on the inner side of the connecting assembly and used for counteracting vibration; the limiting structure is arranged on the inner side of the connecting assembly and used for limiting the rotating angle.

As a further description of the above technical solution:

in order to make preceding frame and back frame can rotate to be connected, coupling assembling includes two sets of connecting plates, pivot, connecting pipe and connecting rod, the pivot is rotated and is connected at the axle sleeve inner wall, the axle sleeve inner wall is all run through and is extended to the outside at the pivot both ends, and is two sets of fixed connection is respectively in the pivot the both ends outer wall of stretching out the axle sleeve, and is two sets of the connecting plate is all through clamp plate and pivot fixed connection, and is two sets of the one end that the pivot was kept away from to the connecting plate is the relative crooked shape of direction.

As a further description of the above technical solution:

in order to form the hinge joint between the front frame and the rear frame, the connecting rod is fixedly connected to one side of the fixing plate, which is far away from the front frame, the connecting pipe is fixedly connected to the outer wall of the connecting rod, and the upper wall and the lower wall of the connecting pipe are respectively lapped with the end parts, which are far away from the rotating shaft, of the two groups of connecting plates.

As a further description of the above technical solution:

in order to make the work in, two sets of connecting plates can not and take place to skid between the pivot, prevent that the structure of skidding includes two sets of internal tooth, external tooth, and is two sets of the connecting plate inner wall all is provided with the mounting hole, and is two sets of the internal tooth sets up respectively at two sets of connecting plate mounting hole inside wall, and is two sets of the external tooth sets up respectively at the both ends outer wall that the axle sleeve was stretched out in the pivot, and is two sets of the connecting plate passes through internal tooth, external tooth and the meshing of pivot.

As a further description of the above technical solution:

in order to offset most vibrations and make the frame can easily pass through slope road surface and uneven road surface, the subassembly that takes precautions against earthquakes includes first shock pad, second shock pad, first shock pad fixed connection is between the inboard upper wall of connecting pipe and connecting rod upper wall, second shock pad fixed connection is between the inboard lower wall of connecting pipe and connecting rod lower wall.

As a further description of the above technical solution:

in order to control the rotation angle of the front frame and the rear frame, the limiting structure comprises a limiting plate and two sets of limiting grooves, the limiting plate is fixedly connected to the end part of the connecting rod far away from the fixing plate, the two sets of limiting grooves are respectively arranged at the upper end and the lower end of the limiting plate, and the outer wall of the connecting plate is respectively connected with the two sets of limiting grooves in a sliding mode.

The utility model has the following beneficial effects:

1. compared with the prior art, the articulated frame can realize rigid connection between the tire and the frame through the connecting component, further achieves the purposes of saving cost and vehicle body weight, completes vehicle steering through rotation between the rotating shaft and the shaft sleeve when the vehicle steers, and can achieve the operation of steering on a narrow road surface by the maximum rotation angle of the front frame and the rear frame being 15 degrees.

2. Compared with the prior art, this articulated vehicle frame, when the vehicle went to uneven road surface, first shock pad and second shock pad in the preceding frame can oppress coupling assembling, thereby offset most vibrations, and can make preceding frame upwards lift up through first shock pad of extrusion and second shock pad, can easily pass through the slope road surface, because of the characteristic of articulated vehicle frame, when a tire is on uneven road surface, laminating that three tire can be perfect on the road surface in addition, greatly increased the trafficability characteristic of vehicle to uneven road surface.

Drawings

Fig. 1 is a schematic view of the overall structure of an articulated vehicle frame according to the present invention;

fig. 2 is a partial structural sectional view of a connecting assembly of an articulated frame according to the present invention;

FIG. 3 is a schematic view of a connecting pipe structure of an articulated frame according to the present invention;

fig. 4 is a schematic diagram of a limiting plate structure of an articulated frame according to the present invention;

FIG. 5 is a schematic structural view of a fixing plate and a connecting rod of an articulated frame according to the present invention;

FIG. 6 is a schematic view of a connecting plate structure of an articulated frame according to the present invention;

fig. 7 is a schematic view of a pivot structure of an articulated frame according to the present invention.

Illustration of the drawings:

1. a front frame; 2. a rear frame; 3. a shaft sleeve; 4. a connecting plate; 5. a limiting plate; 6. a connecting pipe; 7. external teeth; 8. a fixing plate; 9. a limiting groove; 10. a connecting rod; 11. a rotating shaft; 12. pressing a plate; 13. a first cushion pad; 14. a second cushion pad; 15. and an internal tooth.

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.

Referring to fig. 1 to 7, the present invention provides an articulated vehicle frame: comprises a front frame 1 and a rear frame 2 which are arranged at the left and the right; a fixing plate 8 fixedly connected with one end of the front frame 1 facing the rear frame 2; a shaft sleeve 3 fixedly connected with one end of the rear frame 2 facing the front frame 1; the connecting component and the anti-slip structure are arranged between the shaft sleeve 3 and the fixing plate 8 and are used for rotationally connecting the front frame 1 and the rear frame 2; the shockproof assembly is arranged on the inner side of the connecting assembly and used for counteracting vibration; the limiting structure is arranged on the inner side of the connecting assembly and used for limiting a rotating angle, and the front frame 1 and the rear frame 2 are rigidly connected with wheels.

The connecting component comprises two groups of connecting plates 4, a rotating shaft 11, a connecting pipe 6 and a connecting rod 10, wherein the rotating shaft 11 is rotatably connected on the inner wall of the shaft sleeve 3, two ends of the rotating shaft 11 penetrate through the inner wall of the shaft sleeve 3 and extend to the outside, the two groups of connecting plates 4 are respectively and fixedly connected with the outer walls of two ends of the rotating shaft 11, which extend out of the shaft sleeve 3, the two groups of connecting plates 4 are respectively and fixedly connected with the rotating shaft 11 through a pressing plate 12, one ends of the two groups of connecting plates 4, which are far away from the rotating shaft 11, are in opposite bending shapes, the connecting rod 10 is fixedly connected with one side of a fixing plate 8, which is far away from the front frame 1, the connecting pipe 6 is fixedly connected with the outer wall of the connecting rod 10, the upper wall and the lower wall of the connecting pipe 6 are respectively lapped with the end parts of the two groups of connecting plates 4, which are far away from the rotating shaft 11, the connecting pipe 6 is limited to move back and forth by the connecting plate 4 with a curved shape, and the front frame 1 can rotate left and right along the rotating shaft 11 through the connecting component without being separated from the rotating shaft.

Prevent structure of skidding includes two sets of internal tooth 15,

external tooth

7, 4 inner walls of two sets of connecting plates all are provided with the mounting hole, two sets of internal tooth 15 set up respectively at 4 mounting hole inside walls of two sets of connecting plates, two sets of external tooth 7 set up the both ends outer wall that stretches out axle sleeve 3 in pivot 11 respectively, two sets of connecting plates 4 are through internal tooth 15, external tooth 7 meshes with pivot 11, design through internal tooth 15 and external tooth 7, produce the phenomenon of skidding and cause two sets of connecting plate 4 position dislocation when having avoided two sets of connecting plates 4 atresss.

The subassembly that takes precautions against earthquakes includes first shock pad 13, second shock pad 14, and first shock pad 13 fixed connection is between the inboard upper wall of connecting pipe 6 and connecting rod 10 upper wall, and second shock pad 14 fixed connection is between the inboard lower wall of connecting pipe 6 and connecting rod 10 lower wall, and first shock pad 13, second shock pad 14 can eliminate vibrations, also can provide preceding frame 1 and deal with the space of dodging at the road surface not at ordinary times simultaneously.

Limiting structure includes limiting plate 5, two sets of

spacing groove

9, and 5 fixed connection of limiting plate are at the tip that fixed plate 8 was kept away from to connecting rod 10, and two sets of spacing groove 9 set up both ends about limiting plate 5 respectively, and two sets of connecting plates 4 outer walls respectively with two sets of spacing groove 9 sliding connection, can restrict preceding frame 1 along 11 pivoted angles of pivot through limiting structure, avoid throwing off.

The working principle is as follows: rigid connection between preceding frame 1 and back frame 2 and the tire, the vehicle turns to through rotating between pivot 11 and the axle sleeve 3 when the vehicle turns to, limit turned angle through spacing groove 9 on the limiting plate 5 between preceding frame 1 and the back frame 2, avoid breaking away, can let the vehicle turn to on narrow road surface simultaneously, through the damper assembly who sets up, when the vehicle traveles to uneven road surface, preceding frame 1 can oppress first shock pad 13 and second shock pad 14 in the coupling assembling, thereby offset most vibrations, and can make preceding frame 1 upwards lift through extrusion first shock pad 13 and second shock pad 14, thereby easily pass through the slope road surface, through the coupling assembling that sets up, when a tire is on uneven road surface, three other tires can perfect laminating on the road surface, greatly increased the trafficability of vehicle to uneven road surface.

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 modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the utility model.

Claims

1. An articulated frame, its characterized in that: the method comprises the following steps:

a front frame (1) and a rear frame (2) which are arranged at the left and the right;

the fixing plate (8) is fixedly connected to one end, facing the rear frame (2), of the front frame (1);

the shaft sleeve (3) is fixedly connected to one end, facing the front frame (1), of the rear frame (2);

the connecting assembly and the anti-slip structure are arranged between the shaft sleeve (3) and the fixing plate (8) and are used for rotationally connecting the front frame (1) and the rear frame (2);

the shockproof assembly is arranged on the inner side of the connecting assembly and used for counteracting vibration;

the limiting structure is arranged on the inner side of the connecting assembly and used for limiting the rotating angle.

2. An articulated vehicle frame according to claim 1, wherein: coupling assembling includes two sets of connecting plates (4), pivot (11), connecting pipe (6) and connecting rod (10), pivot (11) are rotated and are connected at axle sleeve (3) inner wall, axle sleeve (3) inner wall is all run through and extend to the outside at pivot (11) both ends, and are two sets of fixed connection is respectively at the both ends outer wall that axle sleeve (3) are stretched out in pivot (11) connecting plate (4) are two sets of all through clamp plate (12) and pivot (11) fixed connection, two sets of the one end that pivot (11) were kept away from in connecting plate (4) is the relative crooked shape of direction.

3. An articulated vehicle frame according to claim 2, wherein: connecting rod (10) fixed connection keeps away from one side of preceding frame (1) in fixed plate (8), connecting pipe (6) fixed connection is in connecting rod (10) outer wall, connecting pipe (6) upper wall and lower wall are kept away from the tip overlap joint of pivot (11) with two sets of connecting plates (4) respectively.

4. An articulated vehicle frame according to claim 3, wherein: prevent structure of skidding includes two sets of internal tooth (15), external tooth (7), and is two sets of connecting plate (4) inner wall all is provided with the mounting hole, and is two sets of internal tooth (15) set up respectively at two sets of connecting plate (4) mounting hole inside wall, and are two sets of external tooth (7) set up respectively in pivot (11) stretch out the both ends outer wall of axle sleeve (3), and are two sets of connecting plate (4) are through internal tooth (15), external tooth (7) and pivot (11) meshing.

5. An articulated vehicle frame according to claim 4, wherein: the shockproof assembly comprises a first shock pad (13) and a second shock pad (14), wherein the first shock pad (13) is fixedly connected between the inner upper wall of the connecting pipe (6) and the upper wall of the connecting rod (10), and the second shock pad (14) is fixedly connected between the inner lower wall of the connecting pipe (6) and the lower wall of the connecting rod (10).

6. An articulated vehicle frame according to claim 5, wherein: limiting structure includes limiting plate (5), two sets of spacing groove (9), limiting plate (5) fixed connection is at the tip that fixed plate (8) were kept away from in connecting rod (10), and is two sets of spacing groove (9) set up both ends about limiting plate (5) respectively, and are two sets of connecting plate (4) outer wall respectively with two sets of spacing groove (9) sliding connection.