Highway-railway dual-purpose tractor frame and highway-railway dual-purpose tractor
By designing a road-rail tractor frame that includes a front frame and a rear frame, the problem that the existing frame cannot meet the installation requirements of various system components of a high-power, large-tonnage dual-engine road-rail tractor is solved, achieving Provides larger installation space and more reliable installation effect.
Patent Information
- Application Number
- CN202421264198.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-04
- Publication Date
- 2025-01-21
- Estimated Expiration
- 2034-06-04
AI Technical Summary
The existing dual-purpose tractor frames of dual-purpose tractors cannot meet the installation requirements of various system components of high-power and large-tonnage dual-purpose tractors.
A road-rail tractor frame is designed that includes a front frame and a rear frame. The front frame cross beam is used to install the first engine and axle, and the rear frame cross beam is used to install the second engine and axle. The braking system, fuel tank and hydraulic oil tank are installed through the box structure.
It realizes the installation of various system components of a high-power, large-tonnage dual-engine road-rail tractor, meets the installation requirements of the power system and other system equipment of the vehicle, and improves the installation space and reliability.
Smart Images

Figure CN222372970U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of rail equipment, and more specifically, to a road-rail dual-purpose tractor frame. In addition, the utility model also relates to a road-rail dual-purpose tractor comprising the road-rail dual-purpose tractor frame. Background Art
[0002] The dual-purpose road-rail tractor can make full use of railway and road resources to realize road-rail combined transport, which is conducive to meeting the increasingly heavy railway shunting operations.
[0003] In order to achieve large-tonnage railway shunting tasks, the research and development and design of high-power, large-tonnage twin-engine dual-purpose road-rail tractors has become a development trend. However, the dual-engine power system requires a larger frame installation space, and the frame also needs to meet the installation requirements of other system components, fuel tanks and hydraulic oil tanks of the whole vehicle. The dual-purpose road-rail tractor frame in the prior art cannot meet the installation requirements of various system components of the high-power, large-tonnage twin-engine dual-purpose road-rail tractors.
[0004] Therefore, how to provide a road-rail dual-purpose tractor frame to meet the installation requirements of various system components of a high-power, large-tonnage dual-engine road-rail dual-purpose tractor is a problem that urgently needs to be solved by technical personnel in this field. Utility Model Content
[0005] In view of this, the purpose of the utility model is to provide a road-rail dual-purpose tractor frame that can meet the installation requirements of various system components of a high-power, large-tonnage twin-engine road-rail dual-purpose tractor.
[0006] Another object of the present utility model is to provide a road-rail tractor including the above-mentioned road-rail tractor frame, wherein the road-rail tractor frame can meet the installation requirements of various system components of a high-power, large-tonnage dual-engine road-rail tractor.
[0007] In order to achieve the above purpose, the utility model provides the following technical solutions:
[0008] A road-rail dual-purpose tractor frame, comprising a front frame and a rear frame connected to the front frame;
[0009] The front frame comprises a front frame crossbeam and at least one front frame box structure, the upper part of the front frame crossbeam is used to install the first engine, the lower part of the front frame crossbeam is used to install the first axle and the first wheel, and the front frame box structure is used to install the brake system air cylinder and valve assembly;
[0010] The rear frame includes a rear frame crossbeam and at least one rear frame box structure, the upper part of the rear frame crossbeam is used to install the second engine, the lower part of the rear frame crossbeam is used to install the second axle and the second wheel, and the rear frame box structure is used to install the fuel tank and the hydraulic oil tank.
[0011] Optionally, the number of the front frame box structures is two, namely a first box structure and a second box structure, and the front frame crossbeam is located between the first box structure and the second box structure.
[0012] Optionally, the front frame includes a front end plate, a first longitudinal plate, a second longitudinal plate, a first enclosure plate, a second enclosure plate, a first bottom plate and a second bottom plate, the first longitudinal plate and the second longitudinal plate are arranged in parallel and are both located between the first enclosure plate and the second enclosure plate, the first longitudinal plate, the first enclosure plate, the first bottom plate and the front end plate form the first box structure, and the second longitudinal plate, the second enclosure plate, the second bottom plate and the front end plate form the second box structure.
[0013] Optionally, the number of the rear frame box structures is two, namely a third box structure and a fourth box structure, and the rear frame crossbeam is located between the third box structure and the fourth box structure.
[0014] Optionally, the rear frame includes a rear end plate, a third longitudinal plate, a fourth longitudinal plate, a third enclosure plate, a fourth enclosure plate, a third bottom plate and a fourth bottom plate, the third longitudinal plate and the fourth longitudinal plate are arranged in parallel and are both located between the third enclosure plate and the fourth enclosure plate, the third longitudinal plate, the third enclosure plate, the third bottom plate and the rear end plate form the third box structure, and the fourth longitudinal plate, the fourth enclosure plate, the fourth bottom plate and the rear end plate form the fourth box structure.
[0015] Optionally, the front frame and the rear frame are hinged via a hinge device.
[0016] Optionally, the hinge device comprises two hinge assemblies arranged in a vertical direction;
[0017] The hinge assembly includes a first hinge plate and two second hinge plates arranged in parallel, the first hinge plate is connected to the front frame, the two second hinge plates are respectively connected to the rear frame, the first hinge plate is located between the two second hinge plates, and the first hinge plate and the two second hinge plates are connected by a pin shaft; the central axes of the pin shafts of the two hinge assemblies are collinear.
[0018] Optionally, the front frame includes a front traction beam, the rear frame includes a rear traction beam, and both the front traction beam and the rear traction beam are equipped with a coupler buffer device.
[0019] Optionally, the front frame and the rear frame are respectively provided with mounting holes for conveniently installing the coupler buffer device.
[0020] A road-rail dual-purpose tractor comprises the above-mentioned road-rail dual-purpose tractor frame.
[0021] The utility model provides a road-rail dual-purpose tractor frame, which improves the structure of the road-rail dual-purpose tractor frame so that the front frame crossbeam and the rear frame crossbeam are respectively installed with the first engine and the second engine, thereby realizing the installation of the dual engines; at the same time, the front frame crossbeam and the rear frame crossbeam are also used for installing the axle and the wheel; and by providing at least one front frame box structure, the installation of the brake system air cylinder and the valve assembly is realized; by at least one rear frame box structure, the installation of the fuel tank and the hydraulic oil tank is realized, thereby meeting the installation requirements of the dual-engine power system of the high-power and large-tonnage road-rail dual-purpose tractor and other system equipment of the whole vehicle.
[0022] In addition, by rationally arranging the relative positions of the front frame crossbeam and the front frame box structure, as well as the relative positions of the rear frame crossbeam and the rear frame box structure, it is convenient to balance the overall weight of the road-rail dual-purpose tractor frame. Moreover, the brake system air cylinder and valve assembly are arranged in the front frame box structure, and the fuel tank and hydraulic oil tank are arranged in the rear frame box structure, which makes it easier to make the various system components more regular, so that the installation space is larger and the installation is more reliable.
[0023] The road-rail dual-purpose tractor provided by the utility model comprises the above-mentioned road-rail dual-purpose tractor frame and has the above-mentioned beneficial effects. BRIEF DESCRIPTION OF THE DRAWINGS
[0024] In order to more clearly illustrate the embodiments of the utility model 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, the drawings described below are only embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on the provided drawings without paying creative work.
[0025] Figure 1 A top view of a frame of a road-rail dual-purpose tractor provided in a specific embodiment of the utility model;
[0026] Figure 2 for Figure 1 Schematic diagram of the structure of the mid-front frame;
[0027] Figure 3 for Figure 1 Middle AA section view;
[0028] Figure 4 for Figure 1 Schematic diagram of the structure of the middle and rear frame;
[0029] Figure 5 for Figure 1 Middle BB section view;
[0030] Figure 6 for Figure 1 Schematic diagram of the structure of the middle articulated device.
[0031] Figures 1 to 6 The reference numerals in the figures are as follows:
[0032] 1 is the front frame, 11 is the front frame cross beam, 12 is the front frame box structure, 121 is the front end plate, 122 is the first longitudinal plate, 123 is the second longitudinal plate, 124 is the first enclosure plate, 125 is the second enclosure plate, 126 is the second bottom plate, 13 is the front traction beam, 2 is the rear frame, 21 is the rear frame cross beam, 22 is the rear frame box structure, 221 is the rear end plate, 222 is the third longitudinal plate, 223 is the fourth longitudinal plate, 224 is the third enclosure plate, 225 is the fourth enclosure plate, 226 is the fourth bottom plate, 23 is the rear traction beam, 3 is the hinge device, 31 is the hinge assembly, 311 is the first hinge plate, 312 is the second hinge plate, 313 is the pin shaft, 4 is the coupler buffer device, and 5 is the mounting hole. DETAILED DESCRIPTION
[0033] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0034] The core of the utility model is to provide a road-rail dual-purpose tractor frame, which can meet the installation requirements of various system components of a high-power, large-tonnage dual-engine road-rail dual-purpose tractor. Another core of the utility model is to provide a road-rail dual-purpose tractor including the above-mentioned road-rail dual-purpose tractor frame, and the road-rail dual-purpose tractor frame can meet the installation requirements of various system components of a high-power, large-tonnage dual-engine road-rail dual-purpose tractor.
[0035] Please refer to Figure 1The embodiment of the utility model provides a road-rail dual-purpose tractor frame, comprising a front frame 1 and a rear frame 2 connected to the front frame 1; the front frame 1 comprises a front frame crossbeam 11 and at least one front frame box structure 12, the top of the front frame crossbeam 11 is used to install a first engine, the bottom of the front frame crossbeam 11 is used to install a first axle and a first wheel, and the front frame box structure 12 is used to install a brake system cylinder and a valve assembly; the rear frame 2 comprises a rear frame crossbeam 21 and at least one rear frame box structure 22, the top of the rear frame crossbeam 21 is used to install a second engine, the bottom of the rear frame crossbeam 21 is used to install a second axle and a second wheel, and the rear frame box structure 22 is used to install a fuel tank and a hydraulic oil tank.
[0036] That is to say, this embodiment improves the structure of the frame of the dual-purpose road-rail tractor so that the front frame crossbeam 11 and the rear frame crossbeam 21 are respectively installed with the first engine and the second engine, thereby realizing the installation of dual engines; at the same time, the front frame crossbeam 11 and the rear frame crossbeam 21 are also used to install the axle and the wheel; and by providing at least one front frame box structure 12, the installation of the brake system air cylinder and the valve assembly is realized; by at least one rear frame box structure 22, the installation of the fuel tank and the hydraulic oil tank is realized, thereby meeting the installation requirements of the dual-engine power system of the high-power and large-tonnage dual-purpose road-rail tractor and other system equipment of the whole vehicle.
[0037] In addition, by rationally arranging the relative positions of the front frame crossbeam 11 and the front frame box structure 12, and the relative positions of the rear frame crossbeam 21 and the rear frame box structure 22, it is convenient to balance the overall weight of the road-rail dual-purpose tractor frame. Moreover, the brake system air cylinder and valve assembly are arranged in the front frame box structure 12, and the fuel tank and hydraulic oil tank are arranged in the rear frame box structure 22, so as to make the various system components more regular, so that the installation space is larger and the installation is more reliable.
[0038] It should be noted that the present embodiment does not specifically limit the manner of forming each front frame box structure 12 and each rear frame box structure 22. In some embodiments, each front frame box structure 12 and each rear frame box structure 22 are formed by welding steel plates, so that the front frame box structure 12 and the rear frame box structure 22 have high structural strength and good structural stability.
[0039] In addition, the present embodiment does not limit the number of axles and wheels installed under the front frame cross beam 11 and the rear frame cross beam 21, that is, the present embodiment does not limit the specific number of the first axle, the first wheel, the second axle and the second wheel, and those skilled in the art can set them according to actual needs.
[0040] In addition, the present embodiment does not limit the specific number and distribution of the front frame box structures 12 , and the number of the front frame box structures 12 may be one or more than two.
[0041] In some embodiments, there are two front frame box structures 12, namely a first box structure and a second box structure, and the front frame cross beam 11 is located between the first box structure and the second box structure. In other words, in this embodiment, a front frame box structure 12 is formed on both sides of the front frame cross beam 11, so that the structure is more balanced.
[0042] Furthermore, in some embodiments, the first box structure and the second box structure are symmetrically arranged with respect to the front frame cross beam 11, so that the structural strength is more balanced.
[0043] Please refer to Figure 2 and Figure 3 In some embodiments, the front frame 1 includes a front end plate 121, a first longitudinal plate 122, a second longitudinal plate 123, a first enclosure plate 124, a second enclosure plate 125, a first bottom plate 126, the first longitudinal plate 122 and the second longitudinal plate 123 are arranged in parallel, and the first longitudinal plate 122 and the second longitudinal plate 123 are both located between the first enclosure plate 124 and the second enclosure plate 125, the first longitudinal plate 122, the first enclosure plate 124, the first bottom plate and the front end plate 121 form a first box structure, and the second longitudinal plate 123, the second enclosure plate 125, the second bottom plate 126 and the front end plate 121 form a second box structure. That is, the first longitudinal plate 122 is located inside the first box structure, the first enclosure plate 124 forms the periphery of the first box structure, the second longitudinal plate 123 is located inside the second box structure, the second enclosure plate 125 forms the periphery of the second box structure, a part of the front end plate 121 serves as a part of the periphery of the first box structure, another part of the front end plate 121 serves as a part of the periphery of the second box structure, and the front frame crossbeam 11 is disposed between the first longitudinal plate 122 and the second longitudinal plate 123. That is, the first box structure and the second box structure are the same, and the two are symmetrically arranged about the front frame crossbeam 11, so that the structure of the road-rail dual-purpose tractor frame is more balanced, the overall strength is more uniform, and the reliability is high.
[0044] In addition, the present embodiment does not limit the specific number and distribution of the rear frame box structures 22 , and the number of the rear frame box structures 22 may be one or more than two.
[0045] In some embodiments, there are two rear frame box structures 22, namely the third box structure and the fourth box structure, and the rear frame cross beam 21 is located between the third box structure and the fourth box structure. In other words, in this embodiment, a rear frame box structure 22 is formed on both sides of the rear frame cross beam 21, so that the structure is more balanced.
[0046] Furthermore, in some embodiments, the third box structure and the fourth box structure are symmetrically arranged with respect to the rear frame cross beam 21 , so that the structural strength is more balanced.
[0047] Please refer to Figure 4 and Figure 5 In some embodiments, the rear frame 2 includes a rear end plate 221, a third longitudinal plate 222, a fourth longitudinal plate 223, a third enclosure plate 224, a fourth enclosure plate 225, a third bottom plate and a fourth bottom plate 226. The third longitudinal plate 222 and the fourth longitudinal plate 223 are arranged in parallel, and the third longitudinal plate 222 and the fourth longitudinal plate 223 are both located between the third enclosure plate 224 and the fourth enclosure plate 225. The third longitudinal plate 222, the third enclosure plate 224, the third bottom plate and the rear end plate 221 form a third box structure, and the fourth longitudinal plate 223, the fourth enclosure plate 225, the fourth bottom plate 226 and the rear end plate 221 form a fourth box structure. That is, the third longitudinal plate 222 is located inside the third box structure, the third enclosing plate 224 forms the periphery of the third box structure, the fourth longitudinal plate 223 is located inside the fourth box structure, the fourth enclosing plate 225 forms the periphery of the fourth box structure, a part of the rear end plate 221 serves as a part of the periphery of the third box structure, another part of the rear end plate 221 serves as a part of the periphery of the fourth box structure, and the rear frame cross beam 21 is disposed between the third longitudinal plate 222 and the fourth longitudinal plate 223. That is, the third box structure and the fourth box structure are the same, and the two are symmetrically arranged about the rear frame cross beam 21, so that the structure of the road-rail dual-purpose tractor frame is more balanced, the overall strength is more uniform, and the reliability is high.
[0048] In some embodiments, the front frame 1 and the rear frame 2 are hinged by an articulation device 3. That is, the front frame 1 and the rear frame 2 can rotate relative to each other, and compared with a through-type frame, the turning radius of the road-rail dual-purpose tractor frame is reduced by half, and the steering or U-turn of the vehicle can be realized under a small turning radius, thereby increasing the flexibility of vehicle operation.
[0049] It should be noted that the present embodiment does not limit the specific structure of the articulation device 3 , as long as the articulation of the front frame 1 and the rear frame 2 can be achieved.
[0050] Please refer to Figure 6 In some embodiments, the articulated device 3 includes two articulated assemblies 31 arranged in a vertical direction; the articulated assemblies 31 include a first articulated plate 311 and two second articulated plates 312 arranged in parallel, the first articulated plate 311 is connected to the front frame 1, the two second articulated plates 312 are respectively connected to the rear frame 2, the first articulated plate 311 is located between the two second articulated plates 312, and the first articulated plate 311 and the two second articulated plates 312 are connected by a pin 313; the central axes of the pins 313 of the two articulated assemblies 31 are collinear. That is, in this embodiment, the front frame 1 and the rear frame 2 are articulated by two articulated assemblies 31 arranged in an upper and lower direction, and the two articulated assemblies 31 have the same structure.
[0051] Furthermore, in some embodiments, the first hinge plate 311 is welded to the first longitudinal plate 122 and the second longitudinal plate 123 respectively; the second hinge plate 312 is welded to the third longitudinal plate 222 and the fourth longitudinal plate 223 respectively, so as to ensure the connection strength and make the hinge device 3 reliable. During installation, a process pin can be used to simultaneously pass through the two first hinge plates 311 and the four second hinge plates 312 of the two hinge assemblies 31, and then the two first hinge plates 311 are welded to the first longitudinal plate 122 and the second longitudinal plate 123, and the four second hinge plates 312 are welded to the third longitudinal plate 222 and the fourth longitudinal plate 223.
[0052] In addition, in some embodiments, the front frame 1 includes a front traction beam 13, the rear frame 2 includes a rear traction beam 23, and the front traction beam 13 and the rear traction beam 23 are both installed with a coupler buffer device 4. It should be noted that the coupler buffer device 4 has a buffering effect, which is used to mitigate the longitudinal impact and vibration caused by the change of traction force during the operation of the vehicle or the collision between the vehicles during starting, braking and shunting operations.
[0053] Further, in some embodiments, the front frame 1 and the rear frame 2 are respectively provided with mounting holes 5 for conveniently installing the coupler buffer device 4. That is, in this embodiment, by providing the mounting holes 5, it is convenient to install the coupler buffer device 4 on the front frame 1 and the rear frame 2, so that the installation is convenient.
[0054] In addition to the above-mentioned road-rail dual-purpose tractor frame, the utility model also provides a road-rail dual-purpose tractor including the road-rail dual-purpose tractor frame disclosed in the above-mentioned embodiment. For the structures of other parts of the road-rail dual-purpose tractor, please refer to the prior art and will not be described in detail herein.
[0055] It should also be noted that, in this specification, relational terms such as first and second, etc. are merely used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations.
[0056] The various embodiments in this specification are described in a progressive manner, and each embodiment focuses on the differences from other embodiments. The same or similar parts between the various embodiments can be referenced to each other.
[0057] The above is a detailed introduction to the road-rail dual-purpose tractor frame and the road-rail dual-purpose tractor provided by the utility model. This article uses specific examples to illustrate the principle and implementation method of the utility model. The description of the above embodiment is only used to help understand the method and core idea of the utility model. It should be pointed out that for ordinary technicians in this technical field, without departing from the principle of the utility model, the utility model can also be improved and modified, and these improvements and modifications also fall within the scope of protection of the claims of the utility model.
Claims
1. A road-rail dual-purpose tractor frame, characterized in that: It comprises a front frame (1) and a rear frame (2) connected to the front frame (1); The front frame (1) comprises a front frame crossbeam (11) and at least one front frame box structure (12), the upper portion of the front frame crossbeam (11) being used to mount a first engine, the lower portion of the front frame crossbeam (11) being used to mount a first axle and a first wheel, and the front frame box structure (12) being used to mount a brake system air cylinder and a valve assembly; The rear frame (2) comprises a rear frame crossbeam (21) and at least one rear frame box structure (22); the upper portion of the rear frame crossbeam (21) is used to mount a second engine; the lower portion of the rear frame crossbeam (21) is used to mount a second axle and a second wheel; and the rear frame box structure (22) is used to mount a fuel tank and a hydraulic oil tank.
2. The road-rail dual-purpose tractor frame according to claim 1, characterized in that: The number of the front frame box structures (12) is two, namely a first box structure and a second box structure, and the front frame crossbeam (11) is located between the first box structure and the second box structure.
3. The road-rail dual-purpose tractor frame according to claim 2, characterized in that: The front frame (1) comprises a front end plate (121), a first longitudinal plate (122), a second longitudinal plate (123), a first enclosure plate (124), a second enclosure plate (125), a first bottom plate and a second bottom plate (126); the first longitudinal plate (122) and the second longitudinal plate (123) are arranged in parallel and are both located between the first enclosure plate (124) and the second enclosure plate (125); the first longitudinal plate (122), the first enclosure plate (124), the first bottom plate and the front end plate (121) form the first box structure; the second longitudinal plate (123), the second enclosure plate (125), the second bottom plate (126) and the front end plate (121) form the second box structure.
4. The frame of the road-rail dual-purpose tractor according to claim 1, characterized in that: The number of the rear frame box structures (22) is two, namely a third box structure and a fourth box structure, and the rear frame crossbeam (21) is located between the third box structure and the fourth box structure.
5. The road-rail dual-purpose tractor frame according to claim 4, characterized in that: The rear frame (2) comprises a rear end plate (221), a third longitudinal plate (222), a fourth longitudinal plate (223), a third enclosing plate (224), a fourth enclosing plate (225), a third bottom plate and a fourth bottom plate (226); the third longitudinal plate (222) and the fourth longitudinal plate (223) are arranged in parallel and are both located between the third enclosing plate (224) and the fourth enclosing plate (225); the third longitudinal plate (222), the third enclosing plate (224), the third bottom plate and the rear end plate (221) form the third box structure; the fourth longitudinal plate (223), the fourth enclosing plate (225), the fourth bottom plate (226) and the rear end plate (221) form the fourth box structure.
6. The road-rail dual-purpose tractor frame according to any one of claims 1 to 5, characterized in that: The front frame (1) and the rear frame (2) are hingedly connected via a hinge device (3).
7. The road-rail dual-purpose tractor frame according to claim 6, characterized in that: The hinge device (3) comprises two hinge assemblies (31) arranged in a vertical direction; The hinge assembly (31) comprises a first hinge plate (311) and two second hinge plates (312) arranged in parallel, the first hinge plate (311) being connected to the front frame (1), the two second hinge plates (312) being respectively connected to the rear frame (2), the first hinge plate (311) being located between the two second hinge plates (312), and the first hinge plate (311) and the two second hinge plates (312) being connected via a pin shaft (313); the central axes of the pin shafts (313) of the two hinge assemblies (31) being collinear.
8. The road-rail dual-purpose tractor frame according to any one of claims 1 to 5, characterized in that: The front vehicle frame (1) comprises a front traction beam (13), the rear vehicle frame (2) comprises a rear traction beam (23), and both the front traction beam (13) and the rear traction beam (23) are equipped with a coupler buffer device (4).
9. The road-rail dual-purpose tractor frame according to claim 8, characterized in that: The front frame (1) and the rear frame (2) are respectively provided with mounting holes (5) for conveniently mounting the coupler buffer device (4).
10. A road-rail dual-purpose tractor, characterized in that: The invention comprises a road-rail dual-purpose tractor frame as described in any one of claims 1 to 9.