CN219029596U

CN219029596U - Electric caterpillar chassis

Info

Publication number: CN219029596U
Application number: CN202223571515.6U
Authority: CN
Inventors: 田威; 李欢欢; 贾骏俊
Original assignee: Zhuofei Dongying Agricultural Science and Technology Research Institute Co Ltd
Current assignee: Zhuofei Dongying Agricultural Science and Technology Research Institute Co Ltd
Priority date: 2022-12-28
Filing date: 2022-12-28
Publication date: 2023-05-16
Anticipated expiration: 2032-12-28

Abstract

The utility model relates to the field of agricultural machinery and discloses an electric caterpillar chassis which comprises a frame, a power supply battery and two driving motors, wherein the power supply battery and the two driving motors are arranged on the frame, the two sides of the frame are respectively connected with caterpillar assemblies, the two driving motors respectively drive the caterpillar assemblies to move, the frame comprises a fixed disc, supporting longitudinal beams and supporting cross beams, the supporting longitudinal beams are U-shaped steel, and concave surfaces of the two supporting longitudinal beams are arranged in opposite directions. The utility model has the following advantages and effects: the frame is of a split structure, and the width of the chassis of the crawler is adjusted by adjusting the width of the fixed disc and the length of the supporting cross beam; a plurality of support gaskets are arranged between the fixing frame and the connecting seat, and the height of the chassis is adjusted by adjusting the insertion quantity of the support gaskets; the tensioning rod is connected to the fixing frame in a sliding mode, the side-by-side tensioning wheel is connected to the end portion of the tensioning rod in a rotating mode, and tensioning of the walking crawler belt is guaranteed when the height of the chassis is adjusted.

Description

Electric caterpillar chassis

Technical Field

The utility model relates to the technical field of agricultural machinery, in particular to an electric caterpillar chassis.

Background

Due to the advantages of good trafficability, strong ground grabbing force and the like of the crawler chassis, the crawler chassis is frequently used in some scenes with complex environments, and particularly the requirement of some specific scenes on the crawler is increased.

But simultaneously, different working environments have more requirements on the crawler chassis, and the chassis structure of the vehicle body in the prior art is mostly an integrated structure. Different requirements require a crawler with appropriate parameters, and redesigning each environment increases the design cycle and increases the use cost of the user. There is a need in the art for a track chassis that can be conveniently sized.

Disclosure of Invention

The utility model aims to provide an electric crawler chassis which has a structure convenient for changing the size.

The technical aim of the utility model is realized by the following technical scheme: the utility model provides an electronic caterpillar chassis, includes the frame, sets up power supply battery and driving motor on the frame, the frame both sides are connected with the track subassembly respectively, the driving motor drive the track subassembly moves, the frame include fixed disk, fixed connection in the support longeron of fixed disk both sides with fix two support the crossbeam between the longeron, the support longeron selects for use U shaped steel, two support the longeron concave surface sets up in opposite directions, support the crossbeam stretch into and connect in support the concave surface of longeron, frame tip fixedly connected with motor support, driving motor fixed connection is in on the motor support.

Through adopting above-mentioned technical scheme, establish fixed connection in the support longeron of fixed disk both sides with the frame setting as the fixed disk, when connecting the fixed disk, stretch into the support longeron concave surface inboard respectively with fixed disk both sides limit and supporting beam both ends, through bolt with fixed disk both sides limit and supporting beam both ends fixed connection on the bottom surface of supporting longeron concave surface, when needing to change the width of chassis, change the width of fixed disk and the length of supporting beam and with support longeron fixed connection to adjust the width of chassis.

The utility model is further provided with: the crawler belt assembly comprises a driving wheel, a driven tensioning wheel and a walking crawler belt sleeved on the outer sides of the driving wheel and the tensioning driven wheel, an adjusting support frame is arranged in the walking crawler belt, a plurality of walking wheels which are in contact with the inner wall below the walking crawler belt are rotatably connected to the bottom of the adjusting support frame, and the driving motor drives the driving wheel to rotate.

Through adopting above-mentioned technical scheme, driving motor drive action wheel rotates, and the walking wheel supports walking track bottom surface, and the tensioning force is tensioning the walking track.

The utility model is further provided with: the adjusting support frame comprises a fixing frame fixedly connected to the frame and a connecting seat connected to the bottom of the fixing frame, the travelling wheels are rotationally connected to the connecting seat, and a plurality of supporting gaskets are inserted between the fixing frame and the connecting seat.

Through adopting above-mentioned technical scheme, mount fixed connection is on the frame, through the support gasket of grafting different quantity between connecting seat and mount to adjust the height of chassis.

The utility model is further provided with: the fixing frame is fixedly connected with a connecting screw, a connecting hole for the end part of the connecting screw to pass through is formed in the connecting seat, the end part of the connecting screw extends out of one end of the connecting hole and is in threaded connection with a locking nut, a plug notch for the insertion of the connecting screw is formed in the supporting gasket, and the end part of the plug notch extends to the side edge of the supporting gasket.

Through adopting above-mentioned technical scheme, when inserting the support gasket between connecting seat and mount, unscrew locking nut, align the grafting notch on the support gasket with the connection screw rod, insert the support gasket between connecting seat and the mount to make the connection screw rod insert the grafting port, thereby screw up locking nut compresses tightly the support gasket between connecting seat and mount.

The utility model is further provided with: the fixed frame is connected with a tensioning rod in a sliding manner, the driven tensioning wheel is rotationally connected to the end part of the tensioning rod, the tensioning rod is far away from an adjusting screw rod fixedly connected with one end of the tensioning wheel, an adjusting support is fixedly connected to the fixed frame, an adjusting hole for the adjusting screw rod to pass through is formed in the adjusting support, and adjusting nuts respectively located on two sides of the adjusting support are connected to the adjusting screw rod in a threaded manner.

Through adopting above-mentioned technical scheme, when adjusting the distance between connecting seat and the mount, the walking wheel exerts thrust to the walking track, and the position that needs to adjust the take-up pulley at this moment keeps the tautness of walking track invariable. When the position of the tensioning force is adjusted, the length of the adjusting screw extending out of the adjusting hole is adjusted by rotating the adjusting nut, so that the position of the tensioning wheel is adjusted, and the tensioning wheel is kept to push the walking crawler tensioning wheel.

The utility model is further provided with: the top of the fixing frame is rotationally connected with a supporting wheel which is contacted with the inner wall above the walking track.

By adopting the technical scheme, the supporting wheel supports the inner wall above the walking track.

The utility model is further provided with: the battery jar that supplies the embedding of power supply battery is provided with on the fixed disk, fixedly connected with restriction on the support longeron power supply battery breaks away from the fixed bandage of battery jar, be provided with on the support longeron and supply the bandage fixed orifices that the fixed bandage passed.

By adopting the technical scheme, the power supply battery is tightly tied in the battery groove by the fixing strap penetrating through the strap fixing hole.

The beneficial effects of the utility model are as follows:

1. the frame is of a split structure, and the width of the chassis of the crawler is adjusted by adjusting the width of the fixed disc and the length of the supporting cross beam;

2. a plurality of support gaskets are arranged between the fixing frame and the connecting seat, and the height of the chassis is adjusted by adjusting the insertion quantity of the support gaskets;

3. the tensioning rod is connected to the fixing frame in a sliding mode, the side-by-side tensioning wheel is connected to the end portion of the tensioning rod in a rotating mode, the tensioning rod is adjusted to slide on the fixing frame, and tensioning of the walking crawler belt is guaranteed when the height of the chassis is adjusted.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings required for the description of the embodiments will be briefly described below, and it is apparent that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic diagram of the structural relationship of the present embodiment.

Fig. 2 is a schematic structural view of the frame of the present embodiment.

Fig. 3 is a schematic diagram of the connection relationship of the frame of the present embodiment.

Fig. 4 is a schematic view of the track assembly of the present embodiment.

Fig. 5 is an enlarged schematic view at a in fig. 4.

Fig. 6 is a schematic view of the structure of the support pad of the present embodiment.

In the figure, 1, a frame; 11. a fixed plate; 111. a battery case; 12. supporting the longitudinal beam; 121. a strap fixing hole; 13. a support beam; 14. fixing the binding band; 15. a motor bracket; 2. a power supply battery; 3. a driving motor; 4. a track assembly; 41. a driving wheel; 42. a driven tensioning wheel; 43. a walking track; 5. adjusting the supporting frame; 51. a fixing frame; 511. a connection hole; 512. a sliding seat; 513. a guide slide hole; 52. a connecting seat; 53. a connecting screw; 54. a lock nut; 55. adjusting the support; 551. an adjustment aperture; 6. a walking wheel; 7. a support wheel; 8. a support pad; 81. a socket notch; 9. a tension rod; 91. adjusting a screw; 92. and adjusting the nut.

Detailed Description

The technical scheme of the present utility model will be clearly and completely described in connection with specific embodiments. It will be apparent that the described embodiments are only some, but not all, embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to fall within the scope of the utility model.

The embodiment, as shown in fig. 1-3, an electric caterpillar chassis, which comprises a frame 1, a power supply battery 2 and two driving motors 3, wherein the power supply battery 2 and the two driving motors 3 are arranged on the frame 1, the two sides of the frame 1 are respectively connected with caterpillar assemblies 4, the two driving motors 3 respectively drive the caterpillar assemblies 4 to move, the frame 1 comprises a fixed disc 11, support longitudinal beams 12 fixedly connected to the two sides of the fixed disc 11 and support cross beams 13 fixed between the two support longitudinal beams 12, the support longitudinal beams 12 are made of U-shaped steel, a battery groove 111 for embedding the power supply battery 2 is arranged on the fixed disc 11, a fixing strap 14 for limiting the power supply battery 2 to be separated from the battery groove 111 is fixedly connected on the support longitudinal beams 12, and strap fixing holes 121 for allowing the fixing straps 14 to pass through are arranged on the support longitudinal beams 12. The concave surfaces of the two support longitudinal beams 12 are arranged in opposite directions, the support cross beam 13 extends into and is connected with the concave surface of the support longitudinal beam 12, the end part of the frame 1 is fixedly connected with a motor bracket 15, the driving motor 3 is fixedly connected with the motor bracket 15, the width of the fixed disc 11 and the length of the support cross beam 13 are changed, and the driving motor is fixedly connected with the support longitudinal beam 12, so that the width of the chassis is adjusted.

As shown in fig. 1 and 4, the track assembly 4 comprises a driving wheel 41, a driven tensioning wheel 42 and a walking track 43 sleeved on the outer sides of the driving wheel 41 and the tensioning driven wheel, and a supporting wheel 7 in contact with the inner wall above the walking track 43 is rotatably connected to the top of the fixing frame 51. An adjusting support frame 5 is arranged in the walking track 43, a plurality of walking wheels 6 which are in contact with the inner wall below the walking track 43 are rotatably connected to the bottom of the adjusting support frame 5, the driving motor 3 drives the driving wheel 41 to rotate, the walking wheels 6 support the bottom surface of the walking track 43, and the tensioning force is used for tensioning the walking track 43.

As shown in fig. 4-6, the adjusting support 5 includes a fixing frame 51 fixedly connected to the frame 1 and a connecting seat 52 connected to the bottom of the fixing frame 51, the travelling wheel 6 is rotatably connected to the connecting seat 52, and a plurality of support gaskets 8 are inserted between the fixing frame 51 and the connecting seat 52. The fixing frame 51 is fixedly connected with a connecting screw 53, the connecting seat 52 is provided with a connecting hole 511 for the end part of the connecting screw 53 to pass through, one end of the connecting screw 53 extending out of the connecting hole 511 is in threaded connection with a locking nut 54, the supporting gasket 8 is provided with a plugging notch 81 for the insertion of the connecting screw 53, the end part of the plugging notch 81 extends to the side edge of the supporting gasket 8, when the supporting gasket 8 is inserted between the connecting seat 52 and the fixing frame 51, the plugging notch 81 on the supporting gasket 8 is aligned with the connecting screw 53, the supporting gasket 8 is inserted between the connecting seat 52 and the fixing frame 51, the connecting screw 53 is inserted into a plugging port, and the locking nut 54 is screwed so as to compress the supporting gasket 8 between the connecting seat 52 and the fixing frame 51.

As shown in fig. 4 and 5, the fixing frame 51 is slidably connected with the tensioning rod 9, the fixing frame 51 is fixedly connected with the sliding seat 512, the sliding seat 512 is provided with a guiding sliding hole 513 for the tensioning rod 9 to pass through and slide, the driven tensioning wheel 42 is rotatably connected to the end part of the tensioning rod 9, one end, far away from the tensioning wheel, of the tensioning rod 9 is fixedly connected with the adjusting screw 91, the fixing frame 51 is fixedly connected with the adjusting support 55, the adjusting support 55 is provided with an adjusting hole 551 for the adjusting screw 91 to pass through, and the adjusting screw 91 is in threaded connection with adjusting nuts 92 respectively located on two sides of the adjusting support 55.

When the electric crawler chassis is used for adjusting the height of the chassis, the locking nut 54 is unscrewed, the inserting notch 81 on the supporting gasket 8 is aligned with the connecting screw 53, the supporting gasket 8 is inserted between the connecting seat 52 and the fixing frame 51, the connecting screw 53 is inserted into the inserting port, the locking nut 54 is screwed down so as to tightly press the supporting gasket 8 between the connecting seat 52 and the fixing frame 51, the adjusting nut 92 is rotated so as to adjust the length of the adjusting screw 91 extending out of the adjusting hole 551, the position of the tensioning wheel is adjusted, the adjusting nut 92 is tightly pressed on the adjusting support 55, and the tensioning wheel is kept to push the walking crawler 43 to tension the tensioning wheel.

Claims

1. An electric crawler chassis, characterized in that: including frame (1), setting are in power supply battery (2) and two driving motor (3) on frame (1), frame (1) both sides are connected with track subassembly (4) respectively, two driving motor (3) drive respectively track subassembly (4) motion, frame (1) include fixed disk (11), fixed connection in support longeron (12) and the fixed two between support longeron (12) support longeron (13), support longeron (12) select for use U shaped steel, two support longeron (12) concave surface sets up in opposite directions, support longeron (13) stretch into and connect in support longeron (12) concave surface, frame (1) tip fixedly connected with motor support (15), driving motor (3) fixed connection are in on motor support (15).

2. An electric crawler chassis according to claim 1, wherein: the crawler belt assembly (4) comprises a driving wheel (41), a driven tensioning wheel (42) and a walking crawler belt (43) sleeved on the outer side of the driving wheel (41) and a tensioning driven wheel, an adjusting support frame (5) is arranged in the walking crawler belt (43), a plurality of walking wheels (6) which are in contact with the inner wall below the walking crawler belt (43) are rotatably connected to the bottom of the adjusting support frame (5), and the driving motor (3) drives the driving wheel (41) to rotate.

3. An electric crawler chassis according to claim 2, wherein: the adjusting support frame (5) comprises a fixing frame (51) fixedly connected to the frame (1) and a connecting seat (52) connected to the bottom of the fixing frame (51), the travelling wheel (6) is rotatably connected to the connecting seat (52), and a plurality of supporting gaskets (8) are inserted between the fixing frame (51) and the connecting seat (52).

4. An electric crawler chassis according to claim 3, wherein: fixedly connected with connecting screw (53) on mount (51), be provided with on connecting seat (52) and supply connecting screw (53) tip passes connecting hole (511), connecting screw (53) tip stretches out connecting hole (511) one end threaded connection has locking nut (54), be provided with on support gasket (8) and supply connecting screw (53) male grafting notch (81), grafting notch (81) tip is extended and is led support gasket (8) side.

5. An electric crawler chassis according to claim 3, wherein: the fixed frame (51) is connected with a tensioning rod (9) in a sliding mode, the driven tensioning wheel (42) is rotationally connected to the end portion of the tensioning rod (9), the tensioning rod (9) is far away from one end of the tensioning wheel and is fixedly connected with an adjusting screw (91), an adjusting support (55) is fixedly connected to the fixed frame (51), an adjusting hole (551) through which the adjusting screw (91) passes is formed in the adjusting support (55), and adjusting nuts (92) which are respectively located on two sides of the adjusting support (55) are connected to the adjusting screw (91) in a threaded mode.

6. An electric crawler chassis according to claim 3, wherein: the top of the fixing frame (51) is rotatably connected with a supporting wheel (7) which is contacted with the inner wall above the walking crawler belt (43).

7. An electric crawler chassis according to claim 1, wherein: the fixing plate (11) is provided with a battery groove (111) for embedding the power supply battery (2), the support longitudinal beam (12) is fixedly connected with a fixing strap (14) for limiting the power supply battery (2) to be separated from the battery groove (111), and the support longitudinal beam (12) is provided with a strap fixing hole (121) for allowing the fixing strap (14) to pass through.