Multi-terrain material transport vehicle

Abstract

The invention relates to the technical field of railway road and bridge maintenance, in particular to a multi-terrain material transport vehicle which comprises a telescopic carriage, a walking frame and walking wheels arranged at the bottom of the walking frame, a plurality of width adjusting hydraulic cylinders are arranged at the bottom of the telescopic carriage, and the walking frame is arranged on the two sides, extending in the advancing direction, of the telescopic carriage. Height adjusting hydraulic cylinders are arranged on the two sides, extending in the advancing direction, of the telescopic carriage, the movable ends of the height adjusting hydraulic cylinders are connected with folding supporting legs connected with the telescopic carriage and the walking frame, and the hydraulic pump is connected with the width adjusting hydraulic cylinders and the height adjusting hydraulic cylinders. The two height adjusting hydraulic cylinders are driven to move synchronously or independently, the telescopic carriage is driven to stretch or retract in the direction perpendicular to the advancing direction, the two folding supporting legs are driven to stretch or retract synchronously or independently, the width and height of the telescopic carriage are adjusted, and the applicability and working efficiency of the vehicle are improved; and the manual material conveying cost is saved.

Description

Technical Field

[0001] The invention relates to the technical field of railway road and bridge maintenance, and in particular to a multi-terrain material transport vehicle. Background Art

[0002] The Jinhua Railway line is long and is located in a remote mountainous area. The road conditions in the pastoral area are relatively complicated, there are no construction access roads, the line is long and there are many road cutting protection equipment, the maintenance task is heavy, and material transportation vehicles cannot reach the work site, resulting in difficulties in transporting materials during the maintenance of road cutting slope protection and drainage equipment. In addition, the area has a small population and high labor costs. The use of manual material transportation is not only time-consuming and labor-intensive, but also has high safety risks and is very likely to cause personal injury incidents. Summary of the invention

[0003] In order to solve the above technical problems, the present invention provides a multi-terrain material transport vehicle which is suitable for various terrains and improves the safety of construction workers.

[0004] The present invention provides a multi-terrain material transport vehicle, characterized in that it comprises a telescopic carriage, a running frame and running wheels, the running wheels are arranged at the bottom of the running frame, a plurality of width-adjusting hydraulic cylinders are arranged at the bottom of the telescopic carriage, height-adjusting hydraulic cylinders are arranged on both sides of the telescopic carriage extending along the traveling direction, the movable end of the height-adjusting hydraulic cylinder is connected with a folding leg, one end of the folding leg is connected to the telescopic carriage, and the other end is connected to the running frame, the running frame is arranged on both sides of the telescopic carriage extending along the traveling direction, and a hydraulic pump is arranged inside, the hydraulic pump is connected to the width-adjusting hydraulic cylinder and the height-adjusting hydraulic cylinder to drive the width-adjusting hydraulic cylinder to move, drive the two height-adjusting hydraulic cylinders to move synchronously or separately, drive the telescopic carriage to extend or contract in a direction perpendicular to the traveling direction, and drive the two folding legs to perform telescopic movement synchronously or separately, thereby adjusting the width and height of the telescopic carriage.

[0005] Optionally, width-adjusting legs are provided on both sides of the telescopic carriage along the direction of travel, the height of the width-adjusting legs is greater than the distance from the top of the telescopic carriage to the bottom of the running wheels, the number of the width-adjusting legs is four, and the two width-adjusting legs on a single side are symmetrically arranged along the central axis of the telescopic carriage.

[0006] Optionally, a bottom plate is provided at the movable end of the width-adjusting leg, and the area of ​​the bottom plate is larger than the area of ​​the movable end of the width-adjusting leg.

[0007] Optionally, a locking piece is provided at one end of the width-adjusting leg connected to the telescopic carriage.

[0008] Optionally, the telescopic carriage has a movable end and a fixed end, the protruding end of the width-adjusting hydraulic cylinder is connected to the movable end, and a movable plate is provided on one side corresponding to the movable end, so that the width-adjusting hydraulic cylinder is driven to move, and the movable end and the movable plate are driven to move synchronously, so that the bottom of the telescopic carriage is a closed structure.

[0009] Optionally, a traveling motor is further provided in the traveling frame, and the output end of the traveling motor is connected to a driving shaft, and two first sprockets are sleeved on the driving shaft. Second sprockets are provided on the traveling wheels, and the two first sprockets located on the same side are respectively connected to the two second sprockets by chains.

[0010] Optionally, a battery and a control module are also provided in the running frame, the battery is connected to the control module, the control module is connected to the running motor, and the control module controls the running motors on both sides of the telescopic car to drive synchronously, asynchronously or in reverse through an external remote control device.

[0011] Optionally, a power display and a hydraulic control panel are provided on the outer side of the running frame.

[0012] The technical solution provided by the embodiment of the present invention has the following beneficial effects compared with the prior art:

[0013] The embodiment of the present invention provides a multi-terrain material transport vehicle, in which a width-adjusting hydraulic cylinder is arranged at the bottom of a telescopic carriage, and a hydraulic pump is connected to the width-adjusting hydraulic cylinder through a hydraulic pipe. The hydraulic pump can drive the width-adjusting hydraulic cylinder to move according to the site conditions and the requirements of the size of the cargo, so that the telescopic carriage can be extended or retracted along its width direction, thereby realizing the change of the carriage width and improving the carrying capacity of the telescopic carriage. The running wheels are arranged at the bottom of a running frame, and height-adjusting hydraulic cylinders are arranged on both sides of the telescopic carriage extending along the traveling direction. The movable end of the height-adjusting hydraulic cylinder is connected to a folding leg, one end of the folding leg is connected to the telescopic carriage, and the other end is connected to the running frame. The hydraulic pump is connected to the telescopic carriage through a hydraulic pipe. It is connected to the height-adjusting hydraulic cylinder through a hydraulic pipe, and the hydraulic pump drives the two height-adjusting hydraulic cylinders to move synchronously or individually, so that the two folding legs can be telescopically moved synchronously or individually, thereby realizing the adjustment of the overall height of the telescopic carriage, making the material transport vehicle suitable for terrain with obstacles, and at the same time realizing the adjustment of the height of the running frame on one side of the telescopic carriage, that is, the running wheels on both sides of the telescopic carriage are at different heights. At this time, the material transport vehicle is suitable for operation in narrow road cuttings, and can also ensure the balance of the vehicle body without affecting its running stability and carrying capacity, solving the problems of insufficient platform width on both sides of the line in the railway road cutting, no vehicle running, and difficulty in material transportation, thereby improving work efficiency and saving labor and material transportation costs. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the invention and, together with the description, serve to explain the principles of the invention.

[0015] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, for ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative labor.

[0016] Figure 1 A front view of a multi-terrain material transport vehicle according to an embodiment of the present invention;

[0017] Figure 2 A side view of a multi-terrain material transport vehicle according to an embodiment of the present invention;

[0018] Figure 3 A top view of a multi-terrain material transport vehicle according to an embodiment of the present invention;

[0019] Figure 4 It is a schematic structural diagram of the multi-terrain material transport vehicle after adjusting the height on one side according to an embodiment of the present invention.

[0020] Among them, 1. telescopic carriage; 2. running frame; 3. width adjustment hydraulic cylinder; 4. hydraulic pump; 5. hydraulic pipe; 6. running motor; 7. first sprocket; 8. chain; 9. bearing seat; 10. axle; 11. running wheel; 12. battery; 13. control module; 14. second sprocket; 15. width adjustment leg; 16. drive shaft; 17. height adjustment hydraulic cylinder; 18. folding leg; 19. power display; 20. hydraulic control panel; 21. drainage ditch; 22. slope protection. DETAILED DESCRIPTION

[0021] In order to more clearly understand the above-mentioned objectives, features and advantages of the present invention, the scheme of the present invention will be further described below. It should be noted that the embodiments of the present invention and the features in the embodiments can be combined with each other without conflict.

[0022] In the following description, many specific details are set forth to facilitate a full understanding of the present invention, but the present invention may also be implemented in other ways different from those described herein; it is obvious that the embodiments in the specification are only part of the embodiments of the present invention, rather than all of the embodiments.

[0023] Reference Figures 1 to 4As shown, the present embodiment provides a multi-terrain material transport vehicle, comprising a telescopic carriage 1, a running frame 2 and running wheels 11, the running wheels 11 being arranged at the bottom of the running frame 2, a plurality of width-adjusting hydraulic cylinders 3 being arranged at the bottom of the telescopic carriage 1, height-adjusting hydraulic cylinders 17 being arranged on both sides of the telescopic carriage 1 extending in the traveling direction, the movable end of the height-adjusting hydraulic cylinder 17 being connected with a folding leg 18, one end of the folding leg 18 being connected to the telescopic carriage 1, and the other end being connected to the running frame 2, the running frame 2 being arranged on both sides of the telescopic carriage 1 extending in the traveling direction, and a hydraulic pump 4 being arranged inside the telescopic carriage 1, the hydraulic pump 4 being connected to the width-adjusting hydraulic cylinder 3 and the height-adjusting hydraulic cylinder 17 to drive the width-adjusting hydraulic cylinder 3 to move, drive the two height-adjusting hydraulic cylinders 17 to move synchronously or individually, drive the telescopic carriage 1 to extend or contract in a direction perpendicular to the traveling direction, drive the two folding legs 8 to perform telescopic movement synchronously or individually, thereby adjusting the width and height of the telescopic carriage 1.

[0024] Among them, refer to Figure 1 and Figure 3 As shown, the telescopic carriage 1 is a carriage that can be telescoped along the width direction of the carriage. By arranging a plurality of width-adjusting hydraulic cylinders 3 at the bottom of the telescopic carriage 1, and connecting the hydraulic pump 4 to the width-adjusting hydraulic cylinders 3 through a hydraulic pipe 5, the hydraulic pump 4 can drive the width-adjusting hydraulic cylinders 3 to move according to the site conditions and the requirements of the size of the cargo, so that the telescopic carriage 1 can be extended or retracted along its width direction, thereby realizing the change of the width of the carriage and improving the carrying capacity of the telescopic carriage 1. Figure 2 As shown, by arranging the running wheels 11 at the bottom of the running frame 2, the number of the running wheels 11 is four, and a running wheel 11 is arranged at the bottom of both ends of each running frame 2, and height adjustment hydraulic cylinders 17 are arranged on both sides of the telescopic car 1 extending along the traveling direction, and the movable end of the height adjustment hydraulic cylinder 17 is connected with a folding leg 18, one end of the folding leg 18 is connected to the telescopic car 1, and the other end is connected to the running frame 2, and two hydraulic pumps 4 are respectively connected to the corresponding height adjustment hydraulic cylinders 17 through hydraulic pipes 5, and the two hydraulic pumps 4 drive the two height adjustment hydraulic cylinders 17 to move synchronously or individually, so that the two folding legs 18 can perform telescopic movement synchronously or individually, thereby realizing the adjustment of the overall height of the telescopic car 1, so that the material transport vehicle is suitable for terrain with obstacles, and at the same time realizing the adjustment of the height of the running frame 2 on one side of the telescopic car 1, that is, the running wheels 11 on both sides of the telescopic car 1 are at different heights, and at this time the material transport vehicle is suitable for operation in narrow road cutting sections, such as running on steep slope protection 22, refer to Figure 4As shown, one side of the running wheel 11 is placed on the upper part of the platform, and the other side of the running wheel 11 runs inside the drainage ditch 21, which ensures the balance of the vehicle body without affecting its running stability and carrying capacity, solves the problems of insufficient platform width on both sides of the line in the railway cutting, no vehicle running, and difficulty in transporting materials, improves work efficiency, and saves labor and material transportation costs.

[0025] Further, see Figure 2 and Figure 3 As shown, width-adjusting legs 15 are provided on both sides of the telescopic car 1 along the traveling direction, the height of the width-adjusting legs 15 is greater than the distance from the top of the telescopic car 1 to the bottom of the running wheel 11, the number of the width-adjusting legs 15 is four, and the two width-adjusting legs 15 on one side are symmetrically arranged along the central axis of the telescopic car 1, the movable end of the width-adjusting leg 15 is provided with a bottom plate, and the area of ​​the bottom plate is greater than the area of ​​the movable end of the width-adjusting leg 15, and a locking piece is provided at one end of the width-adjusting leg 15 connected to the telescopic car 1. Specifically, two width-adjusting legs 15 are respectively provided on both sides of the telescopic car 1 along the traveling direction, and the two width-adjusting legs 15 on each side are respectively provided at both ends and symmetrically arranged along the central axis of the telescopic car 1, and the height-adjusting hydraulic cylinder 17 located on the side of the extended end of the width-adjusting hydraulic cylinder 3 is driven to lift up one side of the telescopic car 1 until the width-adjusting legs 15 can be put down, so that the two width-adjusting legs 15 on this side stand vertically on the ground, and the bottom plate is completely in contact with the ground, thereby increasing the stability of the width-adjusting legs 15, locking the locking pieces of the two width-adjusting legs 15, driving the height-adjusting hydraulic cylinder 17 to retract, so that the single-sided running frame 2 and the running wheel 11 are lifted and suspended in the air, and then driving the width-adjusting hydraulic cylinder 3 to move, so as to adjust the width of the telescopic car 1, that is, adjust the wheelbase width, and after completion, drive the height-adjusting hydraulic cylinder 17 to extend until the width-adjusting legs 15 can be retracted, and then drive the height-adjusting hydraulic cylinder 17 to retract to the initial state, and the material transport vehicle can carry out operations normally.

[0026] In some embodiments, the telescopic carriage 1 has a movable end and a fixed end, the extended end of the width adjustment hydraulic cylinder 3 is connected to the movable end, and a movable plate is provided on one side of the corresponding movable end, driving the width adjustment hydraulic cylinder 3 to move, driving the movable end and the movable plate to move synchronously, so that the bottom of the telescopic carriage 1 is a closed structure. Specifically, a movable plate is provided at the movable end of the telescopic carriage 1, and the movable plate is a steel plate. The movable plate can follow the telescopic carriage 1 to perform telescopic movement, so that the bottom of the telescopic carriage 1 is always a closed structure, ensuring that the telescopic carriage 1 does not affect the loading and unloading of goods after the width is adjusted, and when the width adjustment hydraulic cylinder 3 is driven to the maximum stroke, the width of the telescopic carriage 1 increases, and at this time, the internal volume of the telescopic carriage 1 increases by 40%, which can carry more goods and improve the transportation efficiency, and movable compartment plates can also be provided at both ends of the telescopic carriage 1 along the travel direction, so that the loading and unloading of goods is more convenient.

[0027] In other embodiments, reference Figure 2 and Figure 3 As shown, a traveling motor 6 is also provided in the traveling frame 2, and a driving shaft 16 is connected to the output end of the traveling motor 6, and two first sprockets 7 are sleeved on the driving shaft 16, and second sprockets 14 are provided on the traveling wheels 11, and the two first sprockets 7 located on the same side are respectively connected to the two second sprockets 14 through chains 8. Specifically, the traveling motor 6 drives the driving shaft 16 to rotate when working, and the driving shaft 16 drives the two first sprockets 7 to rotate synchronously, and the two first sprockets 7 drive the two second sprockets 14 to rotate synchronously through the chains 8, thereby achieving the effect of two traveling motors 6 synchronously driving the four traveling wheels 11, so that the material transport vehicle can travel smoothly.

[0028] For further information, please refer to Figure 3 As shown, a battery 12 and a control module 13 are also provided in the running frame 2. The battery 12 is connected to the control module 13, and the control module 13 is connected to the running motor 6. The control module 13 controls the running motor 6 on both sides of the telescopic carriage 1 to drive synchronously, asynchronously or in reverse through an external remote control device. Specifically, the battery 12 is 48V 160ah, and the battery 12 provides power for the running motor 6. The construction personnel hold the remote control device to control the running of the running motor 6. Of course, the remote control device can control the two running motors 6 to run synchronously or asynchronously, so that the running wheels 11 on both sides of the telescopic carriage 1 move synchronously or asynchronously, and the material transport vehicle can go straight or turn. At the same time, the remote control device can control the two running motors 6 to run in reverse, so that the running wheels 11 on both sides of the telescopic carriage 1 rotate in reverse, and the material transport vehicle can turn around on the spot or turn with a small radius.

[0029] Continue to refer to Figure 3 As shown, a power display 19 and a hydraulic control panel 20 are provided on the outer side of the running frame 2, so that construction workers can replace the battery 12 in time and operate conveniently.

[0030] It should be noted that, in this article, relational terms such as "first" and "second" are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the sentence "comprise a ..." do not exclude the existence of other identical elements in the process, method, article or device including the elements.

[0031] The above description is only a specific embodiment of the present invention, so that those skilled in the art can understand or implement the present invention. Various modifications to these embodiments will be apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the present invention. Therefore, the present invention will not be limited to the embodiments described herein, but should conform to the widest scope consistent with the principles and novel features invented herein.

Claims

1. A multi-terrain material transport vehicle, characterized in that: The invention comprises a telescopic carriage (1), a running frame (2) and running wheels (11), wherein the running wheels (11) are arranged at the bottom of the running frame (2), a plurality of width adjustment hydraulic cylinders (3) are arranged at the bottom of the telescopic carriage (1), height adjustment hydraulic cylinders (17) are arranged on both sides of the telescopic carriage (1) extending in the travel direction, and the movable end of the height adjustment hydraulic cylinder (17) is connected to a folding leg (18), one end of the folding leg (18) is connected to the telescopic carriage (1), and the other end is connected to the running frame (2), and the running frame ( 2) are arranged on both sides of the telescopic carriage (1) extending in the direction of travel, and are each provided with a hydraulic pump (4), the hydraulic pump (4) being connected to the width adjustment hydraulic cylinder (3) and the height adjustment hydraulic cylinder (17) to drive the width adjustment hydraulic cylinder (3) to move, to drive the two height adjustment hydraulic cylinders (17) to move synchronously or individually, to drive the telescopic carriage (1) to extend or contract in a direction perpendicular to the direction of travel, and to drive the two folding legs (8) to perform telescopic movement synchronously or individually, thereby adjusting the width and height of the telescopic carriage (1).

2. The multi-terrain material transport vehicle according to claim 1, characterized in that: The telescopic carriage (1) is provided with width-adjusting legs (15) on both sides along the travel direction, the height of the width-adjusting legs (15) is greater than the distance from the top of the telescopic carriage (1) to the bottom of the running wheel (11), the number of the width-adjusting legs (15) is four, and the two width-adjusting legs (15) on one side are symmetrically arranged along the central axis of the telescopic carriage (1).

3. The multi-terrain material transport vehicle according to claim 1, characterized in that: The movable end of the width-adjusting leg (15) is provided with a bottom plate, and the area of ​​the bottom plate is larger than the area of ​​the movable end of the width-adjusting leg (15).

4. The multi-terrain material transport vehicle according to claim 1, characterized in that: One end of the width-adjusting leg (15) connected to the telescopic carriage (1) is provided with a locking piece.

5. The multi-terrain material transport vehicle according to claim 1, characterized in that: The telescopic carriage (1) has a movable end and a fixed end, the extended end of the width-adjusting hydraulic cylinder (3) is connected to the movable end, and a movable plate is provided on one side corresponding to the movable end. The width-adjusting hydraulic cylinder (3) is driven to move, thereby driving the movable end and the movable plate to move synchronously, so that the bottom of the telescopic carriage (1) is a closed structure.

6. The multi-terrain material transport vehicle according to claim 1, characterized in that: A traveling motor (6) is also provided in the traveling frame (2), the output end of the traveling motor (6) is connected to a driving shaft (16), two first sprockets (7) are sleeved on the driving shaft (16), and second sprockets (14) are provided on the traveling wheels (11), and the two first sprockets (7) located on the same side are respectively connected to the two second sprockets (14) through chains (8).

7. The multi-terrain material transport vehicle according to claim 6, characterized in that: A battery (12) and a control module (13) are also provided in the running frame (2); the battery (12) is connected to the control module (13); the control module (13) is connected to the running motor (6); and the control module (13) controls the running motors (6) on both sides of the telescopic carriage (1) to drive synchronously, asynchronously or in reverse through an external remote control device.

8. The multi-terrain material transport vehicle according to claim 1, characterized in that: A power display (19) and a hydraulic control panel (20) are arranged on the outer side of the running frame (2).

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