A powertrain for a transport chassis and a transport chassis

Abstract

The utility model relates to the field of transportation chassis, concretely relates to a power assembly for transportation chassis and transportation chassis. The power assembly for transportation chassis includes: frame, is suitable for installing below platform chassis, and has opposite first end and second end, main pump assembly, is installed on the frame, and is close to the middle of frame, main pump assembly is suitable for being connected with drive structure, fuel tank assembly, is close to first end, hydraulic oil tank assembly, is close to first end and is arranged side by side with fuel tank assembly, and hydraulic oil tank is connected with main pump assembly, engine assembly, is close to second end, and is connected with main pump assembly and fuel tank assembly. The power assembly for transportation chassis of the utility model can significantly reduce the gravity center, greatly improve the stability of transportation chassis, and can release the complete space above platform chassis, provide wider platform for carrier.

Description

Technical Field

[0001] This utility model relates to the field of transportation chassis, specifically to a powertrain for a transportation chassis and a transportation chassis. Background Technology

[0002] The mountainous and hilly terrain is complex and diverse, with rugged roads and significant elevation differences. The variety of crops and planting techniques also presents high requirements for the passability, safety, and adaptability of agricultural machinery.

[0003] Chinese invention patent application CN115520292A discloses a variable-gauge tracked power platform. This power platform includes a power platform chassis, a tracked walking device, and a variable-gauge adjustment mechanism. The power platform chassis is connected to the tracked walking device via front and rear connecting rods. One end of a hydraulic cylinder is connected to the front connecting rod, and the other end is fixed to the power platform chassis. A rear-mounted hydraulic motor, fuel tank, hydraulic oil tank, hydraulic pump unit, and engine are installed on the power platform chassis. However, in actual use, it has been found that this type of power platform, with the power structure mounted above the power chassis, has an excessively high center of gravity, is prone to tipping over, and has low utilization of chassis space.

[0004] Therefore, a new technical solution is needed in this field to solve the above problems. Summary of the Invention

[0005] To improve or solve the technical problem in existing technologies where the power structure is installed above the power chassis, resulting in a high center of gravity and easy tipping, this utility model provides a powertrain for a transport chassis. The powertrain for a transport chassis includes: a frame adapted to be installed below the platform chassis and having opposing first and second ends; a main pump assembly mounted on the frame and located near the center of the frame; the main pump assembly is adapted to be connected to a drive structure; a fuel tank assembly located near the first end; a hydraulic oil tank assembly located near the first end and arranged side-by-side with the fuel tank assembly, the hydraulic oil tank being connected to the main pump assembly; and an engine assembly located near the second end and connected to the main pump assembly and the fuel tank assembly.

[0006] This utility model discloses a powertrain for a transport chassis, comprising a frame, a main pump assembly, a fuel tank assembly, a hydraulic oil tank assembly, and an engine assembly. The frame is mounted below the platform chassis, significantly lowering the center of gravity and greatly improving the stability of the transport chassis. It also frees up the space above the platform chassis, providing a more spacious platform for the vehicle. The fuel tank assembly and hydraulic oil tank assembly are arranged side-by-side near the first end, while the engine assembly is near the second end, achieving weight balance in the front-rear direction and further enhancing the stability of the transport chassis. Simultaneously, the centralized arrangement of the hydraulic oil tank assembly and fuel tank assembly facilitates operations such as refueling, venting, and maintenance. The engine assembly's distance from the hydraulic oil tank assembly and fuel tank assembly facilitates heat dissipation and ventilation, and reduces direct vibration transmission between the engine and hydraulic oil tank assemblies, further enhancing the stability of the transport chassis. With the above-mentioned configuration, the powertrain for a transport chassis of this utility model can significantly lower the center of gravity, greatly improve the stability of the transport chassis, and free up the entire space above the platform chassis, providing a wider platform for the vehicle.

[0007] Furthermore, the engine assembly includes an engine mounted on the frame, a muffler mounted on the fuel tank assembly, and an air filter mounted on the frame; both the muffler and the air filter are connected to the engine. With the above arrangement, the air filter mounted on the frame reduces vibration transmission to the fuel tank and hydraulic tank; the muffler mounted on the fuel tank assembly allows for auxiliary heat dissipation using the fuel tank assembly, optimizing thermal management efficiency.

[0008] Furthermore, an exhaust bellows is provided between the engine and the muffler, and an exhaust pipe clamp matching the exhaust bellows is provided on the frame; an intake rigid pipe and an intake flexible pipe are provided between the air filter and the engine, and an intake pipe clamp matching the intake rigid pipe is provided on the frame. Through the above-described configuration, the exhaust pipe clamp and intake pipe clamp can fix the exhaust bellows and intake pipe to the frame, buffering the impact of engine vibration on the exhaust system, reducing resonance, and improving the mechanical stability of the powertrain.

[0009] Furthermore, the hydraulic oil tank assembly includes a housing and an oil cooler installed on one side of the housing and communicating with the interior of the housing; an oil tank outlet connected to the main pump assembly is provided on the housing. Through the above arrangement, the oil cooler facilitates rapid heat dissipation, ensuring the heat dissipation performance of the powertrain.

[0010] Furthermore, a breather and a level gauge are installed on the tank. These features enable pressure balance and visual monitoring of the oil level within the tank.

[0011] Furthermore, the fuel tank assembly includes a housing and a fuel suction pipe mounted on the housing; a fuel suction filter is provided at the end of the fuel suction pipe that extends into the housing. Through the above-described configuration, the fuel suction filter can prevent fuel impurities from entering the engine, ensuring stable power output.

[0012] Furthermore, a level sensor and a transparent sight glass are installed on the housing. These features facilitate the detection of fuel levels within the housing, improving the reliability of fuel management.

[0013] Furthermore, the frame includes a base frame, a top frame fixedly connected to the base frame, and a cover piece disposed on the outside of the base frame; a first connecting plate connected to the main pump assembly, a second connecting plate connected to the engine assembly, and a third connecting plate connected to the hydraulic oil tank assembly are disposed on the base frame. Through the above-described arrangement of multiple connecting plates in different zones, different assemblies can be supported separately, achieving uniform stress distribution and improving the overall structural stability.

[0014] Furthermore, the cover includes a cover plate fixedly connected to the top frame and the bottom frame, and a door panel hingedly connected to the cover plate and facing the engine assembly and the main pump assembly.

[0015] To improve or solve the technical problem in existing technologies where the power structure is mounted above the power chassis, resulting in a high center of gravity and easy tipping, this utility model provides a transport chassis. The transport chassis includes: a running gear assembly comprising a platform chassis and running components mounted on the platform chassis, with multiple hydraulic drive components arranged on the platform chassis and the running components; and a powertrain for the transport chassis as described above; the powertrain for the transport chassis is mounted below the platform chassis, and the main pump assembly of the powertrain is connected to the hydraulic drive components. Through the above configuration, the transport chassis of this utility model, by employing the aforementioned powertrain, can significantly lower the center of gravity, greatly improve the stability of the transport chassis, and free up the entire space above the platform chassis, providing a wider platform for the vehicle. Attached Figure Description

[0016] The preferred embodiments of this utility model are described below with reference to the accompanying drawings, in which:

[0017] Figure 1 This is a schematic diagram of an embodiment of the transport chassis of this utility model;

[0018] Figure 2 This is a schematic diagram of an embodiment of the powertrain in the transport chassis of this utility model;

[0019] Figure 3This is a schematic diagram of an embodiment of the frame in the transport chassis of this utility model;

[0020] Figure 4 This is a schematic diagram of the internal structure of the powertrain in the transport chassis of this utility model;

[0021] Figure 5 This is another schematic diagram of the internal structure of the powertrain in the transport chassis of this utility model.

[0022] List of reference numerals in the attached drawings: 1. Frame; 11. Base frame; 111. Bottom vertical pipe; 112. Bottom horizontal pipe; 113. Column; 12. Top frame; 121. Top vertical pipe; 122. Top horizontal pipe; 123. Fixed support plate; 124. Mounting plate; 125. Fifth support plate; 126. Sixth support plate; 13. Cover; 131. Cover plate; 132. Door panel; 133. Pin seat; 134. Triangular lock; 14. Threaded seat; 15. First connecting plate; 16. Second connecting plate; 161. Support seat; 162. Abutment platform; 163. Abutment seat; 17. Third connecting plate; 171. First support plate; 172. Second support plate; 173. Third support plate; 174. Support; 175. Fourth support plate; 2. Main pump assembly; 21. Pipeline; 22. 23. Overflow valve; 24. Hydraulic oil pump; 35. Accumulator; 36. Fuel tank assembly; 37. Housing; 38. Suction pipe; 39. Injection pipe; 30. Level sensor; 31. Transparent sight glass; 32. Sensor cover; 43. Hydraulic oil tank assembly; 44. Tank body; 45. Oil cooler; 46. Oil cooler connector; 47. Return oil hard pipe; 48. Oil cooler hose; 49. Return oil filter element; 40. Breather; 41. Level gauge; 52. Engine assembly; 53. Engine; 54. Muffler; 55. Exhaust bellows; 56. Exhaust pipe clamp; 57. Air filter; 58. Intake hard pipe; 59. Intake hose; 50. Bracket; 51. Intake pipe clamp; 52. Mounting clamp; 53. Platform chassis; 54. Walking parts. Detailed Implementation

[0023] Preferred embodiments of the present invention will now be described with reference to the accompanying drawings. Those skilled in the art should understand that these embodiments are merely illustrative of the technical principles of the present invention and are not intended to limit the scope of protection of the present invention.

[0024] It should be noted that in the description of this utility model, the terms "upper," "lower," "left," "right," "inner," and "outer," which indicate directional or positional relationships, are based on the directional or positional relationships shown in the accompanying drawings. These are merely for ease of description and do not indicate or imply that the device or element must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model. Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0025] Furthermore, it should be noted that, in the description of this utility model, unless otherwise explicitly specified and limited, the terms "installation," "setting," and "connection" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a direct connection, an indirect connection through an intermediate medium, or a connection within two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0026] To improve or solve the technical problem in the prior art where the power structure is installed above the power chassis, resulting in a high center of gravity and easy tipping, this utility model provides a powertrain for a transport chassis. This powertrain for a transport chassis includes: a frame 1, adapted to be installed below a platform chassis 200, and having opposing first and second ends; a main pump assembly 2, mounted on the frame 1 and located near the center of the frame 1; the main pump assembly 2 is adapted to be connected to a drive structure; a fuel tank assembly 3, located near the first end; a hydraulic oil tank assembly 4, located near the first end and arranged side-by-side with the fuel tank assembly 3, the hydraulic oil tank being connected to the main pump assembly 2; and an engine assembly 5, located near the second end and connected to the main pump assembly 2 and the fuel tank assembly 3.

[0027] Figure 1 This is a schematic diagram of an embodiment of the transport chassis of this utility model. Figure 2 This is a schematic diagram of an embodiment of the powertrain in the transport chassis of this utility model. (See diagram below.) Figure 1 and Figure 2 As shown, in one or more embodiments, a powertrain for a transport chassis according to the present invention includes a frame 1, a main pump assembly 2, a fuel tank assembly 3, a hydraulic oil tank assembly 4, and an engine assembly 5. The main pump assembly 2, the fuel tank assembly 3, the hydraulic oil tank assembly 4, and the engine assembly 5 are mounted on the frame 1.

[0028] Figure 3 This is a schematic diagram of an embodiment of the frame in the transport chassis of this utility model. (See diagram below.) Figure 2 and Figure 3As shown, in one or more embodiments, the frame 1 is adapted to be installed below the platform chassis 200 and has a first end and a second end opposite to each other. The first end is the front end, and the second end is the rear end. That is, when the transport chassis moves, the first end is in front and the second end is behind. Specifically, the frame 1 includes a bottom frame 11, a top frame 12, and a cover 13. The top frame 12 is installed on top of the bottom frame 11, and the cover 13 is arranged on both sides of the bottom frame 11 and extends from the first end to the second end. Further, the bottom frame 11 includes a bottom vertical pipe 111, a bottom horizontal pipe 112 connected to the bottom vertical pipe 111, and a column 113 installed on the bottom vertical pipe 111. The main body of the bottom frame 11 is formed by welding pipe fittings, resulting in a simple structure with strong structural strength, while also facilitating heat dissipation from the bottom and sides for the various assemblies installed on the frame 1. Two bottom vertical pipes 111 are arranged side-by-side, and multiple bottom horizontal pipes 112 connect the two bottom vertical pipes 111, with multiple horizontal pipes 112 arranged along the length of the bottom vertical pipes 111. For example, four bottom horizontal tubes 112 are provided, and the four bottom horizontal tubes 112 are arranged at intervals and evenly. Two of them are located near both ends of the bottom vertical tube 111. Specifically, sealing plates are provided at both ends of the bottom vertical tube 111 to close the bottom vertical tube 111 and prevent debris from entering the bottom vertical tube 111. Further, columns 113 extend vertically upward from the bottom vertical tube 111, and multiple columns 113 are provided along the length of the bottom vertical tube 111. For example, two sets of columns 113 are provided, and the two sets of columns 113 are arranged on two bottom vertical tubes 111 respectively, and each set of columns 113 has three columns. Two columns 113 are located near both ends of the bottom vertical tube 111, and the other column 113 is located near the middle of the bottom vertical tube 111. The two middle columns 113 are staggered to facilitate the installation and fixation of the engine assembly 5.

[0029] See also Figure 2 and Figure 3In one or more embodiments, threaded seats 14 are provided on the bottom vertical tube 111 and the column 113, and the cover 13 is installed on the bottom frame 11 via the threaded seats 14 and bolts. Further, the bottom frame 11 is provided with a first connecting plate 15 connected to the main pump assembly 2, a second connecting plate 16 connected to the engine assembly 5, and a third connecting plate 17 connected to the hydraulic oil tank assembly 4. The first connecting plates 15 are all fixed to the middle column 113, with three plates on one column 113 and two plates on the other. The position of the column 113 and the number and position of the first connecting plates 15 are adjusted according to the main pump assembly 2, thereby facilitating the installation of the main pump assembly 2. The second connecting plate 16 includes an abutment platform 162 installed on the bottom vertical tube 111, a support seat 161 installed on the bottom horizontal tube 112, and an abutment seat 163 installed on the bottom vertical tube 111. The support 161, abutment 162, and abutment 163 are arranged at intervals along the length of the base frame 11, thereby better supporting and installing the engine assembly 5 and enhancing the connection stability between the engine assembly 5 and the frame 1. The abutment 162 is located near the second end and connects to two bottom vertical tubes 111. Two support 161s are provided, arranged opposite each other. Two abutment 163s are provided, arranged opposite each other. The third connecting plate 17 includes a first support plate 171 near the first end, a second support plate 172 arranged side-by-side with the first support plate 171, a third support plate 173 arranged side-by-side with the second support plate 172, a support 174 mounted on the bottom vertical tube 111, and a fourth support plate 175 mounted on the column 113. The first and second support plates 171 and 172 are used to install the fuel tank assembly 3 and the hydraulic oil tank assembly 4; their side-by-side arrangement provides better support for the fuel tank assembly 3 and the hydraulic oil tank assembly 4. The third support plate 173 is used to install fasteners such as clamps, facilitating pipeline layout. The support 174 supports the hydraulic oil tank assembly 4, and the fourth support plate 175 connects the hydraulic oil tank assembly 4 and the column 113, further enhancing the connection stability between the hydraulic oil tank assembly 4 and the base frame 11. Furthermore, a connecting support plate is provided on the column 113, which is connected to the top frame 12.

[0030] See also Figure 2 and Figure 3In one or more embodiments, the top frame 12 is generally rectangular in shape. The top frame 12 includes a top vertical pipe 121 and a top horizontal pipe 122 connected to the top vertical pipe 121. Three top horizontal pipes 122 are arranged along the length of the top vertical pipe 121. A fixing plate 123 is provided at the connection between the top vertical pipe 121 and the top horizontal pipe 122. The fixing plate 123 mates with the connecting plate, thereby fixing the top frame 12 to the column 113. Furthermore, a mounting plate 124 is provided on the top frame 12, and multiple quick connectors and welding joints are installed on the mounting plate 124. The quick connectors are used to connect the external drive structure and the main pump assembly 2, and the welding joints are used to fix the connecting parts to the mounting plate 124, thereby facilitating the fixing of the engine assembly 5 and the main pump assembly 2. The external drive component can be a hydraulic cylinder, a hydraulic motor, etc. The connecting parts can be clamps, pipe clamps, etc. Furthermore, a threaded seat 14 is also provided on the top vertical tube 121 for connection with the cover 13. Furthermore, a fifth support plate 125 is provided at the top of the top vertical tube 121, and a sixth support plate 126 is provided on the side of the top horizontal tube 122. The fifth support plate 125 and the sixth support plate 126 are used to connect with the platform chassis 200, thereby mounting the frame 1 on the platform chassis 200.

[0031] See also Figure 2 and Figure 3 In one or more embodiments, the cover 13 is arranged on both sides of the top frame 12 and the bottom frame 11, without cover plates 131 at both ends, forming an air duct to facilitate heat dissipation of the internal assemblies. The cover 13 includes a cover plate 131 fixedly connected to the top frame 12 and the bottom frame 11, and a door panel 132 hingedly connected to the cover plate 131. Specifically, the cover plate 131 is fixed to the top frame 12 and the bottom frame 11 by screw seats 14 and bolts to facilitate disassembly and replacement of the cover 13. Heat dissipation holes are provided on the cover plate 131 to enhance the heat dissipation capacity of the frame 1. Furthermore, two sets of door panels 132 are provided, respectively arranged on both sides of the frame 1, and both facing the main pump assembly 2 and the engine assembly 5, to facilitate maintenance of the main pump assembly 2 and the engine assembly 5. Each set of door panels 132 has two panels, and the two door panels 132 are hinged to the column 113. Specifically, a pin seat 133 is provided on the upright 113, and a triangular lock 134 is provided on the door panel 132, thereby locking the door panel 132 onto the upright 113. Furthermore, ventilation holes are also provided on the door panel 132 to enhance the heat dissipation performance of the frame 1.

[0032] Figure 4 This is a schematic diagram of the internal structure of the powertrain in the transport chassis of this utility model. Figure 5 This is another schematic diagram of the internal structure of the powertrain in the transport chassis of this utility model. (See diagram below.) Figure 2 , Figure 4 and Figure 5 As shown, the engine assembly 5 is mounted on the frame 1 and is located near the second end. The engine assembly 5 is positioned at the second end, i.e., the rear end, and is protected on both sides by covers 13, preventing contact between the engine assembly 5 and obstacles and ensuring the stability of the powertrain. In one or more embodiments, the engine assembly 5 includes an engine 51 mounted on the frame 1, a muffler 52 mounted on the fuel tank assembly 3, and an air filter 53 mounted on the frame 1. Both the muffler 52 and the air filter 53 are connected to the engine 51. Specifically, the engine 51 is mounted above the abutment platform 162, the support seat 161, and the abutment seat 163 via a base. The engine 51 is fixedly connected to the base, and the base is fixedly connected to the second connecting plate 16 by bolts. A mounting clamp 54 is provided on the fuel tank assembly 3, and the muffler 52 is fixed to the fuel tank assembly 3 by the mounting clamp 54. Furthermore, the engine 51 and the muffler 52 are connected via an exhaust bellows 521. An exhaust pipe clamp 522 is installed on the frame 1, and the exhaust pipe clamp 522 is mounted on the top frame 12 via a welded joint. An exhaust bellows 521 is also mounted on the top frame 12 via the exhaust pipe clamp 522. The exhaust bellows 521 reduces vibration transmitted from the engine 51 to the muffler 52, thereby enhancing the stability of the powertrain. Furthermore, an intake hard pipe 531 and an intake hose 532 are installed between the engine 51 and the air filter 53. A bracket 533 is installed on the frame 1, and the bracket 533 is fixedly connected to the air filter 53 and the frame 1 by bolts, thereby mounting the air filter 53 on the frame 1. Specifically, the intake hard pipe 531 is connected to the engine 51, and the intake hose 532 connects the intake hard pipe 531 and the air filter 53. The arrangement of the intake hose 532 reduces vibration transmission between the engine 51 and the air filter 53, enhancing the stability of the powertrain. An intake pipe clamp 534 is provided on the frame 1, and the intake rigid pipe 531 is fixed to the frame 1 by the intake pipe clamp 534. Furthermore, a flywheel is provided on the engine 51, and the flywheel is connected to the main pump assembly 2.

[0033] See also Figure 2 , Figure 4 and Figure 5The fuel tank assembly 3 is mounted on the first support plate 171 and the second support plate 172. Specifically, a mounting strip is provided at the bottom of the fuel tank assembly 3, and the mounting strip is fixedly connected to the first support plate 171 and the second support plate 172 by bolts. In one or more embodiments, the fuel tank assembly 3 includes a housing 31 and a fuel suction pipe 32 installed inside the housing 31. The housing 31 is generally rectangular. A fuel filling pipe 33 is provided on the side of the housing 41 near the cover plate 131, and a fuel drain hole is provided at the bottom of the housing 41. Further, one end of the fuel suction pipe 32 extends into the housing 31, and a fuel suction filter is provided at that end. Specifically, the fuel suction pipe 32 is installed on the top of the housing 31 through a fuel suction flange, the fuel suction pipe 32 is connected to the fuel suction filter through a fuel suction connector, and the fuel suction pipe 32 is connected to the engine 51 to supply fuel to the engine 51. Further, a liquid level sensor 34 and a transparent sight glass 35 are provided on the housing 31. Specifically, the liquid level sensor 34 is mounted on the housing 31 via a cover plate, with one end extending near the bottom of the housing 31. A sensor protective cover 36 is provided on the cover plate to protect the liquid level sensor 34. A transparent sight glass 35 is mounted on one side of the fuel tank, with one end near the top of the fuel tank and the other end near the bottom of the fuel tank.

[0034] See also Figure 2 , Figure 4 and Figure 5The hydraulic oil tank assembly 4 and the fuel tank assembly 3 are arranged side by side at the first end, i.e., the front end, which can protect the main pump assembly 2 and the engine assembly 5 at the rear end when the transport chassis is moving, thus enhancing the stability of the powertrain. In one or more embodiments, the hydraulic oil tank assembly 4 includes a housing 41 and an oil cooler 42 mounted on the housing 41. Specifically, a mounting strip is provided at the bottom of the housing 41, and the mounting strip is fixedly connected to the first support plate 171 and the second support plate 172 by bolts. The oil cooler 42 is arranged on the side of the housing 41 near the engine assembly 5 and near the cover 13. In one or more embodiments, the oil cooler 42 is mounted on the housing 41 and the column 113 by a bent plate, on the column 113 by a fourth support plate 175, and on the bottom vertical pipe 111 by a base plate. Furthermore, an oil tank outlet is provided on the housing 41, which is connected to the main pump assembly 2 and connected to the drive component of the transport chassis through the main pump assembly 2. Furthermore, a breather 43 and a level gauge 44 are installed on the housing 41. The level gauge 44 is installed on the side of the housing 41 near the cover 13, and the breather 43 is installed on the top of the housing 41. The breather 43 is manufactured by Nanjing Xunlian Hydraulic Technology Co., Ltd. Furthermore, the oil cooler 42 and the housing 41 are connected via an oil inlet pipe and a return pipe. For example, the return pipe 21 includes an oil cooler connector 421 installed on the oil cooler 42, a return hard pipe 422 connected to the oil cooler connector 421, an oil cooler hose 423 connected to the return hard pipe 422, and a return filter element 424 installed on the housing 41. Specifically, the return hard pipe 422 is installed on the housing 41 using a hard pipe clamp. A pipe clamp is provided on the third support plate 173, and the oil inlet pipe is installed on the third support plate 173 via the pipe clamp. Furthermore, the main pump assembly 2 is located near the middle of the frame 1, allowing for convenient connection between the engine assembly 5 and the hydraulic oil tank assembly 4, thus reducing pipeline length. The main pump assembly 2 includes multiple pipes 21, relief valves 22 connected to the pipes 21, and hydraulic oil pumps 23. For example, the relief valve 22 is connected to the housing 41 via pipe 21 and is connected to an accumulator 24. Each pipe 21 is evenly connected to a corresponding hydraulic oil pump 23, facilitating control of the drive components. Specifically, the relief valve 22 and part of the hydraulic oil pump 23 are mounted on the first connecting plate 15. The hydraulic oil pump 23 is connected to the flywheel disc of the engine assembly 5.

[0035] To improve or solve the technical problem in the prior art where the power structure is installed above the power chassis, resulting in a high center of gravity and easy tipping, this utility model provides a transport chassis. The transport chassis includes a walking assembly, comprising a platform chassis 200 and a walking component 300 mounted on the platform chassis 200, with multiple hydraulic drive components arranged on the platform chassis 200 and the walking component 300; and a power assembly for the transport chassis as described above; the power assembly for the transport chassis is installed below the platform chassis 200, and the main pump assembly 2 of the power assembly is connected to the hydraulic drive components.

[0036] See Figure 1 In one or more embodiments, the walking assembly includes a platform chassis 200 and a walking component 300 mounted on the platform chassis 200. The platform chassis 200 can be a widened platform, which includes a fixed frame and a widening frame, with the power assembly mounted on the fixed frame. The widening frame is driven by a hydraulic drive, which is a hydraulic cylinder. The walking component 300 is a hydraulically self-propelled structure, capable of rotation and lifting, wherein rotation, lifting, and walking are all driven by a hydraulic drive; the hydraulic drive is a hydraulic motor or a hydraulic cylinder. The main pump assembly 2 of the power assembly is connected to the aforementioned hydraulic drive. By adopting the aforementioned power assembly, the transport chassis of this utility model can significantly lower the center of gravity, greatly improve the stability of the transport chassis, and free up the entire space above the platform chassis 200, providing a wider platform for the vehicle.

[0037] The technical solution of this utility model has been described in conjunction with the preferred embodiments shown in the accompanying drawings. However, it will be readily understood by those skilled in the art that the protection scope of this utility model is obviously not limited to these specific embodiments. Without departing from the principle of this utility model, those skilled in the art can make equivalent changes or substitutions to the relevant technical features, and the technical solutions after such changes or substitutions will all fall within the protection scope of this utility model.

Claims

1. A powertrain for a transport chassis, characterized by, include: A frame (1) is adapted to be installed below a platform chassis (200) and has opposing first and second ends; A main pump assembly (2) is mounted on the frame (1) and close to the middle of the frame (1); the main pump assembly (2) is adapted to be connected to a drive structure; Fuel tank assembly (3), located near the first end; A hydraulic oil tank assembly (4) is located near the first end and arranged side by side with the fuel tank assembly (3), the hydraulic oil tank being connected to the main pump assembly (2); The engine assembly (5) is located near the second end and is connected to the main pump assembly (2) and the fuel tank assembly (3).

2. A powertrain for a transport chassis according to claim 1, characterized in that, The engine assembly (5) includes an engine (51) mounted on the frame (1), a muffler (52) mounted on the fuel tank assembly (3), and an air filter (53) mounted on the frame (1); the muffler (52) and the air filter (53) are both connected to the engine (51).

3. A powertrain for a transport chassis according to claim 2, characterised in that, An exhaust bellows (521) is provided between the engine (51) and the muffler (52), and an exhaust pipe clamp (522) matching the exhaust bellows (521) is provided on the frame (1); an intake hard pipe (531) and an intake hose (532) are provided between the air filter (53) and the engine (51), and an intake pipe clamp (534) matching the intake hard pipe (531) is provided on the frame (1).

4. The powertrain for a transport chassis of claim 1, wherein, The hydraulic oil tank assembly (4) includes a tank body (41) and an oil cooler (42) installed on one side of the tank body (41) and communicating with the inside of the tank body (41); an oil tank outlet connected to the main pump assembly (2) is provided on the tank body (41).

5. A powertrain for a transport chassis according to claim 4, characterised in that, A breather (43) and a level gauge (44) are installed on the housing (41).

6. The powertrain for a transport chassis of claim 1, wherein, The fuel tank assembly (3) includes a housing (31) and a suction pipe (32) mounted on the housing (31); a suction filter is provided at one end of the suction pipe (32) that extends into the housing (31).

7. A powertrain for a transport chassis according to claim 6, characterised in that, A liquid level sensor (34) and a transparent oil sight glass (35) are provided on the housing (31).

8. The powertrain for a transport chassis of claim 1, wherein, The frame (1) includes a bottom frame (11), a top frame (12) fixedly connected to the bottom frame (11), and a cover (13) arranged on the outside of the bottom frame (11); a first connecting plate (15) connected to the main pump assembly (2), a second connecting plate (16) connected to the engine assembly (5), and a third connecting plate (17) connected to the hydraulic oil tank assembly (4) are provided on the bottom frame (11).

9. The powertrain for a transport chassis according to claim 8, characterized in that, The cover (13) includes a cover plate (131) fixedly connected to the top frame (12) and the bottom frame (11), and a door panel (132) hingedly connected to the cover plate (131) and facing the engine assembly (5) and the main pump assembly (2).

10. A transport chassis characterized in that, include: The walking assembly includes a platform chassis (200) and a walking component (300) mounted on the platform chassis (200), wherein a plurality of hydraulic drive components are arranged on the platform chassis (200) and the walking component (300); and The powertrain for a transport chassis according to any one of claims 1-9; the powertrain for the transport chassis is mounted below the platform chassis (200), and the main pump assembly (2) of the powertrain is connected to the hydraulic drive.

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