Truss type truck-train freight car frame

Abstract

The present application relates to the technical field of freight car frame, and proposes a truss type highway-railway dual-purpose freight car frame, which comprises a three-dimensional truss, a highway walking system suspension and a traction frame. The three-dimensional truss comprises a middle plane truss, side plane trusses and a plurality of transverse connecting beams. Each of the side plane trusses and the middle plane truss has two. The middle plane truss is connected by the transverse connecting beams. The two side plane trusses are respectively connected to the two sides of the middle plane truss. The bottom of each of the two side plane trusses has a plurality of arc-shaped grooves. The side plane truss further has a fixing part for fixing a railway walking system. Through the above technical solution, the problem of reducing the weight of the freight car frame and realizing highway-railway dual-purpose is solved.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of freight vehicle frame, in particular to a truss type highway-railway dual-purpose freight vehicle frame. BACKGROUND

[0002] Transportation industry is an important part of the national economy; fast, safe and efficient transportation mode is the basis and guarantee for the high-speed and high-quality development of various industries. In the economic field, fast, safe and efficient transportation mode can reduce the cost and improve the competitiveness; in the field of national defense, fast, safe and efficient transportation mode can improve the rapid response capability and combat efficiency of national defense forces; under the traction of the rapid and efficient development demand of national economy and national defense construction, in order to realize fast, safe and efficient transportation, the concept of "multimodal transport" which can freely and quickly switch between highway, railway and waterway emerges as the times require; under the guidance of the concept of "multimodal transport", highway-railway dual-purpose vehicle can conveniently realize fast and free switching between highway and railway, and can provide fast, efficient and safe "door-to-door" transportation mode. Therefore, the research and utilization of highway-railway dual-purpose freight vehicle has become a hot topic and an urgent research topic.

[0003] Therefore, in order to improve the quality utilization coefficient and transportation efficiency of the vehicle, the task of weight reduction falls on the highway-railway public configuration part, and therefore how to realize weight reduction under the installation condition of highway-railway dual-purpose vehicle has become a problem in the industry. SUMMARY

[0004] The present application provides a truss type highway-railway dual-purpose freight vehicle frame, which solves the problem of weight reduction and highway-railway dual-purpose in the prior art.

[0005] The technical scheme of the present application is as follows:

[0006] A truss type highway-railway dual-purpose freight vehicle frame,

[0007] The truss type highway-railway dual-purpose freight vehicle frame comprises a three-dimensional space truss, a highway walking system suspension and a railway walking system suspension.

[0008] The highway walking system suspension is connected to the middle plane truss, the arc-shaped grooves are distributed correspondingly to the side plane trusses, and the highway walking system suspension is used for installing the highway walking system.

[0009] A traction frame connected with the middle plane truss bottom, the traction frame is used for connecting with railway traction. As a further technical scheme, the transverse connecting beam comprises,

[0010] An upper cross beam, the upper cross beam is connected between adjacent side plane trusses or middle plane trusses,

[0011] A lower cross beam, the lower cross beam is connected between adjacent side plane trusses or middle plane trusses,

[0012] A first connecting rod, the first connecting rod has one end connected with the side plane truss and the upper cross beam or the lower cross beam, the other end of the first connecting rod is connected with the middle plane truss and the upper cross beam or the lower cross beam, and the first connecting rod is simultaneously connected with adjacent first connecting rods and the upper cross beam or the lower cross beam to form a triangular structure.

[0013] As a further technical scheme, the three-dimensional space truss further comprises,

[0014] A second connecting rod, both ends of the second connecting rod are connected with adjacent upper cross beams or adjacent lower cross beams, and the second connecting rod is at an angle with the upper cross beam or the lower cross beam.

[0015] As a further technical scheme, the side plane truss comprises,

[0016] A first upper chord, one end of the upper cross beam is connected to the first upper chord,

[0017] A first lower chord, one end of the lower cross beam is connected to the first lower chord,

[0018] A first straight web, one end of the first straight web is connected with the first upper chord, the other end of the first straight web is connected with the first lower chord, and the first straight web is orthogonal to the first upper chord and the first lower chord,

[0019] A first inclined web, one end of the first inclined web is connected with the first upper chord, the other end of the first inclined web is connected with the first lower chord, and the first straight web, the first inclined web and the first upper chord or the first lower chord form a triangular structure.

[0020] As a further technical scheme, the middle plane truss comprises,

[0021] A second upper chord, the other end of the upper cross beam is connected to the second upper chord,

[0022] A second lower chord, the other end of the lower cross beam is connected to the second lower chord,

[0023] Second straight web, one end of which is connected with the second upper chord, the other end of which is connected with the second lower chord, the second straight web being orthogonal to the second upper chord and the second lower chord,

[0024] Second diagonal web, one end of which is connected with the second upper chord, the other end of which is connected with the second lower chord, the second straight web, the second diagonal web and the second upper chord or second lower chord forming a triangular structure.

[0025] As a further technical solution, the outer contour of the three-dimensional space truss can be one of a rectangle, a square and a trapezoid, and the cross-sectional outer contour of the three-dimensional space truss can be one of a rectangle, a square and a trapezoid.

[0026] As a further technical solution, the three-dimensional space truss further comprises,

[0027] A bearing wood board surface is arranged on the three-dimensional space truss, is located between the adjacent intermediate plane truss and side plane truss, and is connected with the first upper chord, the upper cross beam, the second connecting rod and the second upper chord.

[0028] As a further technical solution, the three-dimensional space truss is composed of geometrically simple rod members or plate members, and the cross section of the rod member can be one of a circular tube, a rectangle, a square, an I-shaped section and a channel section.

[0029] As a further technical solution, the connection between the traction frame and the highway walking system suspension and the three-dimensional space truss can be one of welding, riveting and screwing.

[0030] The working principle and beneficial effects of the present application are as follows:

[0031] In the present application, in order to solve the above problems, a truss type frame is adopted, and a three-dimensional space truss is formed through the cooperation of side plane trusses, intermediate plane trusses, transverse connecting beams and other rod members and plate members, and an arc-shaped groove and a highway walking system suspension are arranged on the three-dimensional space truss, so that the highway walking system can be installed on the three-dimensional space truss, and the railway walking system can be installed through the traction frame and the mounting portion, thereby realizing the dual-purpose of the three-dimensional space truss for highways and railways,

[0032] Beneficial effects:

[0033] 1. Reduce the self-weight, improve the quality utilization coefficient, one of the main features of the truss frame is large stiffness, small mass, all elements of the truss frame formed by three-dimensional space participate in bearing, the quality utilization coefficient is high; the application realizes the complete replacement of the conventional ladder frame in the structural design, that is, the truss frame replaces the ladder frame, thereby avoiding the disadvantages of low stiffness, large mass and low quality utilization coefficient of the conventional ladder frame; the capacity of each element is fully utilized to realize overall bearing, under the same conditions (unchanged bearing capacity), the material utilization rate is improved, the self-weight of each element is reduced, the quality utilization coefficient is improved, and the purpose of reducing the self-weight is naturally achieved.

[0034] 2. Improve the structural stability of the frame, first, one of the main features of the truss frame is that all elements forming the three-dimensional space truss structure participate in bearing when bearing stress, which greatly reduces the stress concentration degree; at the same time, the structural stability is far superior to that of the ladder frame; the overall bearing is realized, and the structural stability of the overall frame is improved.

[0035] 3. Improve the driving stability of the frame, since the overall bearing of the truss frame is realized, all external loads are shared by all elements, so that the entire frame becomes a complete bearing whole; therefore, the deformation amplitude of the frame is greatly reduced when responding to various working conditions, thereby improving the driving stability.

[0036] 4. Save energy and reduce emissions, since the self-weight is reduced, the consumption of raw materials is saved; at the same time, the reduction of the self-weight also reduces the fuel consumption of the vehicle in use.

[0037] 5. Reduce tire wear and extend tire life, since the overall bearing is realized, the structural stability of the frame and the driving stability of the vehicle are improved, the stress condition of the tire during driving is improved, the tire wear is naturally reduced, and the service life of the tire is extended.

[0038] 6. Provide better protection for goods, since the overall bearing is realized, the structural stability of the frame and the driving stability of the vehicle are improved, so that the vehicle can provide better protection for the goods carried. BRIEF DESCRIPTION OF DRAWINGS

[0039] The application will be further described in detail below in combination with the drawings and specific embodiments.

[0040] Figure 1 is a structural schematic diagram of the application;

[0041] Figure 2 is a partial enlarged view of A in the application Figure 1

[0042] ​Figure 3 Figure 2 is a schematic diagram of the structure of the present application after installation;

[0043] Figure 4 Figure 1 is a schematic diagram of the structure of the present application in front view;

[0044] Figure 1 is a schematic diagram of the structure of the present application in front view; DETAILED DESCRIPTION

[0045] The technical solutions in the embodiments of the present application will be clearly and completely described below in conjunction with the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative labor also fall within the scope of protection of the present application.

[0046] As shown in Figures 1-4

[0047] Embodiment 1

[0048] A truss type highway-railway dual-purpose freight vehicle frame, comprising a three-dimensional space truss 1, the three-dimensional space truss 1 comprising a middle plane truss 2, a side plane truss 3 and a plurality of transverse connecting beams 4, the side plane truss 3 and the middle plane truss 2 are both two, the middle plane truss 2 and the side plane truss 3 are connected by the transverse connecting beams 4, the two side plane trusses 3 are connected on both sides of the two middle plane trusses 2 respectively, the bottom of the two side plane trusses 3 has a plurality of arc-shaped grooves 7, the middle plane truss 2 further has a fixing part 5, the fixing part 5 is used for fixing a railway walking system, further comprising,

[0049] a highway walking system suspension 6, the highway walking system is connected to the middle plane truss 2, the arc-shaped grooves 7 are distributed correspondingly with the side plane truss 3, and the highway walking system suspension 6 is used for installing a highway walking system,

[0050] a traction frame 8, the traction frame 8 is connected to the bottom of the middle plane truss 2, and the traction frame 8 is used for connecting with a railway traction. The transverse connecting beam 4 comprises,

[0051] ​Upper crossbeam 9, adjacent to the side plane truss or the middle plane truss 2 is connected through the upper crossbeam 9,

[0052] Lower crossbeam 10, adjacent to the side plane truss 3 or the middle plane truss 2 is connected through the lower crossbeam 10,

[0053] First connecting rod 11, the first connecting rod 11 has several, one end of several first connecting rods 11 is connected with the side plane truss 3 and the upper crossbeam 9 or the lower crossbeam 10, the other end of the first connecting rod 11 is connected with the middle plane truss 2 and the upper crossbeam 9 or the lower crossbeam 10, the first connecting rod 11 is simultaneously connected with adjacent first connecting rod 11 and the upper crossbeam 9 or the lower crossbeam 10 to form a triangular structure.

[0054] Carrying wood board surface 21, the carrying wood board surface 21 is arranged on the three-dimensional space truss 1, the carrying wood board surface 21 is located between adjacent middle plane truss 2 and side plane truss 3, the carrying wood board surface 21 is connected with the first upper chord 13, the upper crossbeam 9, the second connecting rod 12 and the second upper chord 17, up and down vehicle overbridge 22, one end of the up and down vehicle overbridge 22 is hinged on the three-dimensional space truss 1, and the up and down vehicle overbridge 22 is located at the entrance end of the carrying wood board surface 21.

[0055] In the embodiment, in order to solve the above problems, the truss type vehicle frame is adopted, and through the cooperation of the side plane truss 3, the middle plane truss 2, the transverse connecting beam 4 and other rod bodies and plate bodies, the three-dimensional space truss 1 is formed, the arc-shaped groove 7 and the highway running system suspension 6 are arranged on the three-dimensional space truss 1, the highway running system can be installed on the three-dimensional space truss 1, the railway running system can be installed through the traction frame 8 and the mounting part, the highway and railway dual-purpose of the three-dimensional space truss 1 is realized,

[0056] Beneficial effect: the self weight is reduced, the quality utilization coefficient is improved, one of the main characteristics of the truss type vehicle frame is that the stiffness is large and the quality is small, all elements of the truss type vehicle frame formed by three-dimensional space participate in bearing, the quality utilization coefficient is high; the structure design of the present application realizes the complete replacement of the conventional ladder type vehicle frame, that is, the ladder type vehicle frame is replaced by the truss type vehicle frame, so that the disadvantages of low stiffness, large self weight and low quality utilization coefficient of the conventional ladder type vehicle frame are avoided; the capacity of each element is fully utilized (to make the best use of things), the overall bearing is realized, the material utilization rate is improved under the same condition (the bearing capacity is unchanged), the self weight of each element is reduced, the quality utilization coefficient is improved, and the purpose of reducing the self weight is naturally achieved.

[0057] Embodiment 2

[0058] Further to embodiment 1, the three-dimensional space truss 1 further comprises,

[0059] a second connecting rod 12, two ends of which are connected with adjacent upper cross beam 9 and intermediate plane truss 2 and side plane truss 3 or adjacent lower cross beam 10 and intermediate plane truss 2 and side plane truss 3, the second connecting rod is at an angle with the upper cross beam 9 or the lower cross beam 10.

[0060] the side plane truss 3 comprises,

[0061] a first upper chord 13, one end of the upper cross beam 9 is connected to the first upper chord 13,

[0062] a first lower chord 14, one end of the lower cross beam 10 is connected to the first lower chord 14,

[0063] a first straight web 15, one end of which is connected to the first upper chord 13, the other end of which is connected to the first lower chord 14, the first straight web 15 is orthogonal to the first upper chord 13 and the first lower chord 14,

[0064] a first inclined web 16, one end of which is connected to the first upper chord 13 and the first straight web 15, the other end of which is connected to the first lower chord 14 and the first straight web 15, the first straight web 15, the first inclined web 16 and the first upper chord 13 or the first lower chord 14 form a triangular structure.

[0065] the intermediate plane truss 2 comprises,

[0066] a second upper chord 17, the other end of the upper cross beam 9 is connected to the second upper chord 17,

[0067] a second lower chord 18, the other end of the lower cross beam 10 is connected to the second lower chord 18,

[0068] a second straight web 19, one end of which is connected to the second upper chord 17, the other end of which is connected to the second lower chord 18, the second straight web 19 is orthogonal to the second upper chord 17 and the second lower chord 18,

[0069] a second inclined web 20, one end of which is connected to the second upper chord 17 and the second straight web 19, the other end of which is connected to the second lower chord 18 and the second straight web 19, the second straight web 19, the second inclined web 20 and the second upper chord 17 or the second lower chord 18 form a triangular structure.

[0070] In the embodiment, the three-dimensional space truss 1 bears the external load of the goods thereon, the reaction force of the two bogies and the lateral torsion moment generated due to the height difference between the left and right rails; according to structural mechanics, when bearing the external load, the three-dimensional space truss 1 converts all the external load (bending, torsion) into the form of axial force inside the members constituting the three-dimensional space truss 1 to share to each member; finally, the three-dimensional space truss 1 bears all the external load (bending, torsion) with all the constituent members; the whole component is fully loaded, and the triangular structure is set between the members, so that the three-dimensional space truss 1 is more stable.

[0071] Embodiment 3

[0072] Further based on the embodiments 1-2, the outer contour of the three-dimensional space truss 1 can be one of a rectangle, a square or a trapezoid, and the cross-sectional outer contour of the three-dimensional space truss 1 can be one of a rectangle, a square or a trapezoid.

[0073] The three-dimensional space truss 1 is composed of members or plates with simple geometric shapes, and the member cross section can be one of a circular tube, a rectangle, a square, an I-shaped and a channel-shaped.

[0074] The connection between the traction frame 8 and the highway walking system suspension 6 and the three-dimensional space truss 1 can be one of welding, riveting and screwing.

[0075] In the embodiment, by being set as one of a rectangle, a square or a trapezoid, the shape can be replaced according to the weight or demand of the loaded materials, so that the device is more practical and stable, and the bearing effect is improved.

[0076] The above is only a preferred embodiment of the present application, and is not used to limit the present application, any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A truss-type truck-trailer cargo bed, characterized by, The utility model provides a kind of railway and highway combined transport vehicle, including three-dimensional space truss (1), the three-dimensional space truss (1) includes middle plane truss (2), side plane truss (3) and several transverse connecting beams (4), the side plane truss (3) and middle plane truss (2) are both two, and the middle plane truss (2) and the side plane truss (3) are connected by the transverse connecting beam (4) between, two the side plane truss (3) is connected in the two sides of two middle plane trusses (2) respectively, and two side plane trusses (3) bottom has several arc grooves (7), and the middle plane truss (2) further has fixed part (5), and the fixed part (5) is used for fixing railway walking system, further including, Highway walking system suspension (6), highway walking system is connected on the middle plane truss (2), the arc groove (7) is distributed with the side plane truss (3) corresponding, and the highway walking system suspension (6) is used for installing highway walking system, Traction frame (8), the traction frame (8) is connected with the bottom of the middle plane truss (2), and the traction frame (8) is used for being connected with railway traction; The transverse connecting beam (4) includes, Upper crossbeam (9), adjacent the side plane truss or middle plane truss (2) between is connected by the upper crossbeam (9), Lower crossbeam (10), adjacent the side plane truss (3) or middle plane truss (2) between is connected by the lower crossbeam (10), First connecting rod (11), the first connecting rod (11) has several, and one end of several first connecting rods (11) is connected with the side plane truss (3) and the upper crossbeam (9) or the lower crossbeam (10), and the other end of the first connecting rod (11) is connected with the middle plane truss (2) and the upper crossbeam (9) or the lower crossbeam (10), and the first connecting rod (11) is simultaneously connected with the upper crossbeam (9) or the lower crossbeam (10) and forms triangular structure; The side plane truss (3) includes, First upper chord (13), one end of the upper crossbeam (9) is connected on the first upper chord (13), First lower chord (14), one end of the lower crossbeam (10) is connected on the first lower chord (14), First straight web (15), one end of the first straight web (15) is connected with the first upper chord (13), and the other end of the first straight web (15) is connected with the first lower chord (14), and the first straight web (15) is orthogonal with the first upper chord (13) and the first lower chord (14), First inclined web (16), one end of the first inclined web (16) is connected with the first upper chord (13) and the first straight web (15), and the other end of the first inclined web (16) is connected with the first lower chord (14) and the first straight web (15), and the first straight web (15), the first inclined web (16) and the first upper chord (13) or the first lower chord (14) form triangular structure. The connection between the traction frame (8) and the highway walking system suspension (6) and the three-dimensional space truss (1) is one of welding, riveting, screwing.

2. The truss-style truck trailer of claim 1, wherein, The three-dimensional space truss (1) further comprises, The second connecting rod (12) is connected with the adjacent upper cross beam (9) and the intermediate plane truss (2) and the side plane truss (3) or the adjacent lower cross beam (10) and the intermediate plane truss (2) and the side plane truss (3) at both ends, and the second connecting rod (12) is at an angle with the upper cross beam (9) or the lower cross beam (10).

3. The truss-style truck trailer of claim 2, wherein, The intermediate plane truss (2) comprises, The other end of the upper cross beam (9) is connected to the second upper chord (17), The other end of the lower cross beam (10) is connected to the second lower chord (18), The second straight web (19) is connected with the second upper chord (17) at one end, and the other end of the second straight web (19) is connected with the second lower chord (18), and the second straight web (19) is orthogonal to the second upper chord (17) and the second lower chord (18), The second straight web (19), the second inclined web (20) and the second upper chord (17) or the second lower chord (18) form a triangular structure.

4. The truss-style truck trailer of claim 3, wherein, The outer contour of the three-dimensional space truss (1) is one of rectangular, square, trapezoidal, and the cross-sectional contour of the three-dimensional space truss (1) is one of rectangular, square, trapezoidal.

5. The truss-style truck trailer of claim 3, wherein, Further comprising, The load bearing wood board surface (21) is provided on the three-dimensional space truss (1), and the load bearing wood board surface (21) is located between the adjacent intermediate plane truss (2) and the side plane truss (3), and the load bearing wood board surface (21) is connected with the first upper chord (13), the upper cross beam (9), the second connecting rod (12), the second upper chord (17), The boarding bridge (22) is hinged at one end to the three-dimensional space truss (1), and the boarding bridge (22) is located at the entrance end of the load bearing wood board surface (21).

6. The truss-style truck trailer of claim 2, wherein, The three-dimensional space truss (1) is composed of rods or plates, and the rod section is one of circular tube, rectangle, square, I-shaped and channel-shaped.

Images