A kind of overhead line maintenance vehicle frame without center beam

Abstract

The present invention discloses a center beam-less overhead line maintenance vehicle frame, comprising side beams, traction beams connected to the side beams and located at both ends of the frame, bolsters connected to the side beams to form a main bearing structure, a plurality of cross beams distributed at intervals and connected to the side beams at both ends, power and auxiliary system mounting seats and traction air cooling system air ducts connected to the cross beams, tunnel three-platform mounting seats, aerial work vehicle bucket mounting seats, traction seats fixed to the side beams, and hydraulic system, air brake system and electrical system accessories arranged on the traction beams. The center beam-less overhead line maintenance vehicle frame provided by the present invention has a longer length and a stronger load-bearing capacity, and can meet the installation requirements of components such as operating mechanisms and traction power systems, thereby achieving the purpose of making it easier to carry out maintenance operations such as overhead line suspension, support devices, and positioning devices.

Description

Technical Field

[0001] The invention relates to the technical field of rail engineering machinery, and in particular to a frame of a contact network maintenance vehicle without a center beam. Background Art

[0002] At present, domestic high-speed railways are gradually promoting the "seven unifications, one joint" integrated management model of high-speed railway comprehensive maintenance and production. Conventional railways have also begun to promote the integration of engineering, power supply, and electrical services. Comprehensive maintenance workshops are used as basic production units to organize and implement joint production and emergency response work, further improve operational efficiency and quality, and reduce the labor intensity of operators. Therefore, there is an urgent need to improve the current status of maintenance operations.

[0003] The current frame design of maintenance vehicles has problems such as difficulty in repairing contact wires, suspension components, insulators, return wires and other components, and insufficient frame strength and rigidity.

[0004] In view of this, it is necessary to provide a frame with stronger load-bearing capacity and more convenient maintenance operation. Summary of the invention

[0005] The technical problem to be solved by the present invention is to provide a center beam-less overhead line maintenance vehicle frame, which has a longer length and a stronger load-bearing capacity and can meet the installation requirements of components such as operating mechanisms and traction power systems, thereby achieving the purpose of making maintenance operations more convenient.

[0006] In order to solve the above problems, the technical solution of the present invention is as follows:

[0007] A frame of a contact network maintenance vehicle without a center beam, comprising side beams, traction beams connected to the side beams and located at both ends of the frame, bolsters connected to the side beams to form a main bearing structure, a plurality of cross beams distributed at intervals and connected to the side beams at both ends, power and auxiliary system mounting seats and traction air cooling system air ducts connected to the cross beams, a tunnel three-platform mounting seat, an aerial work vehicle bucket mounting seat, a traction seat fixed to the side beams, and hydraulic system, air brake system and electrical system accessories arranged on the traction beams.

[0008] Further, the side beam includes a left beam and a right beam arranged relatively to each other, and the left beam / right beam includes a first left vertical plate and a first right vertical plate arranged relatively to each other, a first upper cover plate and a first lower cover plate connecting the first left vertical plate and the first right vertical plate and relatively spaced apart, a plurality of first partition plates arranged between the first left vertical plate and the first right vertical plate and spaced apart, and a first rib plate connecting the first left vertical plate and the first right vertical plate.

[0009] Furthermore, the first left vertical plate, the first right vertical plate, the first upper cover plate, the first lower cover plate and the first partition plate are welded into a box-type structure.

[0010] Furthermore, the left beam and the right beam are of fish belly type structure, with a total length of 22976 mm, a middle height of 400 mm, and a height of 360 mm at both ends, and the first stiffener is arranged at the variable cross-section.

[0011] Furthermore, the traction beam includes a second left vertical plate and a second right vertical plate that are relatively spaced apart, a wrap plate connecting the second left vertical plate and the second right vertical plate and located at the end of the traction beam, an impact seat arranged on the inner side of the second left vertical plate and the second right vertical plate and used for installing a coupler buffer, a second rib plate arranged on the outer side of the second left vertical plate and the second right vertical plate, and a plurality of reinforcing beams connecting the second left vertical plate and the second right vertical plate and distributed at intervals.

[0012] Furthermore, the package plate is processed from Q355B steel plate and then cold-pressed, the impact seat is riveted and fixed to the second left vertical plate and the second right vertical plate, and the second left vertical plate and the second right vertical plate are processed from Q355B steel plate.

[0013] Furthermore, the pillow beam includes a third left vertical plate and a third right vertical plate, a third upper cover plate and a third lower cover plate covering the third left vertical plate and the third right vertical plate on opposite sides, a plurality of third partitions connecting the third left vertical plate and the third right vertical plate and arranged at intervals, a wire passing sleeve arranged on the third left vertical plate and the third right vertical plate, and a reinforcing sleeve arranged at both ends of the third lower cover plate.

[0014] Furthermore, the power and auxiliary system mounting seats include a radiator mounting seat, an engine mounting seat, a gearbox mounting seat, a traction motor mounting seat, and a battery box mounting seat.

[0015] Furthermore, the cross beam includes a fourth left vertical plate and a fourth right vertical plate that are arranged opposite to each other, a plurality of fourth partition plates connected to the fourth left vertical plate and the fourth right vertical plate, and a wire hole formed through the fourth left vertical plate and the fourth right vertical plate.

[0016] Furthermore, the air duct of the traction air cooling system is a box-shaped structure, and an air duct opening is provided on one side thereof.

[0017] Compared with the prior art, the center beam-free overhead line maintenance vehicle frame provided by the present invention has the following beneficial effects:

[0018] The center beam-less overhead line maintenance vehicle frame provided by the present invention is composed of side beams, traction beams, pillow blocks, cross beams, etc., and is mainly used for the bearing and installation of parts of the overhead line maintenance vehicle, including the installation of components such as the power running system, the braking system, and the hydraulic system, to achieve the integrated installation of the traction power system and the fuel system. The composed frame structure can meet the vehicle vertical load, longitudinal tension and compression, and strength and stiffness requirements under the working conditions of the working device. Therefore, the center beam-less overhead line maintenance vehicle frame provided by the present invention can improve the working efficiency and work quality of the overhead line maintenance vehicle. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings required for use in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some implementation cases of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0020] Figure 1 It is a structural schematic diagram of a frame of a contact network maintenance vehicle without a center beam provided by the present invention;

[0021] Figure 2 yes Figure 1 The schematic structural diagram of the frame of the overhead line maintenance vehicle without a center beam from another angle is shown;

[0022] Figure 3 yes Figure 1 The structural schematic diagram of the left beam / right beam in the frame of the overhead line maintenance vehicle without a center beam is shown;

[0023] Figure 4 yes Figure 3 A schematic diagram of the structure of the left beam / right beam from another angle;

[0024] Figure 5 yes Figure 1 The structural schematic diagram of the traction beam in the frame of the overhead line maintenance vehicle without a center beam is shown;

[0025] Figure 6 yes Figure 5 A schematic structural diagram of the traction beam at another angle shown;

[0026] Figure 7 yes Figure 1 The structural schematic diagram of the center beam of the overhead line maintenance vehicle frame without center beam is shown;

[0027] Figure 8 yes Figure 7 A schematic diagram of the structure of the bolster at another angle shown;

[0028] Fig. 9 yes Figure 1 The schematic diagram of the structure of the cross beam in the frame of the overhead line maintenance vehicle without a center beam is shown;

[0029] Fig.10 yes Fig. 9 A schematic diagram of the structure of the beam at another angle;

[0030] Fig.11 yes Figure 1 The schematic diagram of the structure of the power and auxiliary system mounting seat in the frame of the overhead line maintenance vehicle without a center beam is shown;

[0031] Fig.12 yes Figure 1 The schematic diagram of the structure of the air duct of the traction air cooling system in the frame of the overhead line maintenance vehicle without a center beam is shown. DETAILED DESCRIPTION

[0032] In order to enable those skilled in the art to better understand the technical solutions in the embodiments of the present invention and to make the above-mentioned objects, features and advantages of the present invention more obvious and understandable, the specific implementation modes of the present invention are further described below in conjunction with the accompanying drawings.

[0033] It should be noted that the description of these embodiments is used to help understand the present invention, but does not constitute a limitation of the present invention. In addition, the technical features involved in each embodiment of the present invention described below can be combined with each other as long as there is no conflict between them.

[0034] Please refer to Figure 1 and Figure 2 ,in Figure 1 It is a structural schematic diagram of a frame of a contact network maintenance vehicle without a center beam provided by the present invention; Figure 2 yes Figure 1 The structural schematic diagram of the non-center beam overhead contact network maintenance work vehicle frame from another angle is shown. The non-center beam overhead contact network maintenance work vehicle frame 100 provided by the present invention includes a side beam 1, a traction beam 2 connected to the side beam 1 and located at both ends of the frame, a bolster 3 connected to the side beam 1 to form a main bearing structure, a plurality of cross beams 4 distributed at intervals and connected to the side beams 1 at both ends, a power and auxiliary system mounting seat 6 connected to the cross beam 4, a tunnel three-platform mounting seat 7 and an aerial work vehicle bucket mounting seat 8, a traction seat 9 fixed to the side beam 1 for carrying the traction motor, and a traction air cooling system air duct 10 connected to the cross beam, and a hydraulic system, an air brake system and an electrical system accessories 11 arranged on the traction beam 2. The specific component structure of the frame is described in detail below.

[0035] Please refer to Figure 3 and Figure 4 ,in Figure 3 yes Figure 1The structural schematic diagram of the left beam / right beam in the frame of the overhead line maintenance vehicle without a center beam is shown; Figure 4 yes Figure 3 The schematic diagram of the structure of the left beam / right beam from another angle is shown. The side beam 1 and other structures of the frame constitute the whole vehicle load-bearing structure, which adopts a box-type structure design, including a left beam 101 and a right beam 102 arranged opposite to each other, and the structures of the left beam 101 and the right beam 102 are the same, and the left beam 101 / right beam 102 respectively include a first left vertical plate 103 and a first right vertical plate 104 arranged opposite to each other, a first upper cover plate 105 and a first lower cover plate 106 connected to the first left vertical plate 103 and the first right vertical plate 104 and relatively spaced, a plurality of first partition plates 107 arranged between the first left vertical plate 103 and the second right vertical plate 104 and spaced, a first rib plate 108 connecting the first left vertical plate 103 and the first right vertical plate 104, and a hand brake sleeve (not numbered) and a wire sleeve (not numbered) formed by penetrating the first left vertical plate 103 and the first right vertical plate 104.

[0036] The first left vertical plate 103, the first right vertical plate 104, the first upper cover plate 105, the first lower cover plate 106 and the first partition plate 107 are welded together to form a box-type structure.

[0037] In this embodiment, the left beam 101 and the right beam 102 are fish-belly-shaped structures, with a total length of 22976 mm, a middle height of 400 mm, and a height of 360 mm at both ends. The first rib plate 108 is provided at the variable cross-section.

[0038] Please refer to Figure 5 and Figure 6 ,in Figure 5 yes Figure 1 The structural schematic diagram of the traction beam in the frame of the overhead line maintenance vehicle without a center beam is shown; Figure 6 yes Figure 5 The structural schematic diagram of the traction beam from another angle is shown. The traction beam 2 is located at both ends of the frame and is mainly used for the installation of the coupler buffer device. It includes a second left vertical plate 201 and a second right vertical plate 202 that are relatively spaced apart, a wrapping plate 203 that connects the second left vertical plate 201 and the second right vertical plate 202 and is located at the end of the traction beam, an impact seat 204 that is located on the inner side of the second left vertical plate 201 and the second right vertical plate 202 and is used for the installation of the coupler buffer, a second rib plate 205 that is located on the outer side of the second left vertical plate 201 and the second right vertical plate 202, and a plurality of reinforcing beams 206 that connect the second left vertical plate 201 and the second right vertical plate 202 and are spaced apart.

[0039] The package plate 203 is processed by Q355B steel plate and then cold-pressed, the impact seat 204 is riveted and fixed to the second left vertical plate 201 and the second right vertical plate 202, and the second left vertical plate 201 and the second right vertical plate 202 are processed by Q355B steel plate.

[0040] Please refer to Figure 7 and Figure 8 ,in Figure 7 yes Figure 1 The structural schematic diagram of the center beam of the overhead line maintenance vehicle frame without center beam is shown; Figure 8 yes Figure 7 The structural schematic diagram of the bolster from another angle is shown. The bolster 3 is mainly used for supporting the whole vehicle and connecting it to the bogie. It also adopts a box-type structural design. The bolster 3 and the side beam 1 form the main load-bearing structure of the whole vehicle. The bolster 3 includes a third left vertical plate 301 and a third right vertical plate 302, a third upper cover plate 303 and a third lower cover plate 304 covering the third left vertical plate 301 and the third right vertical plate 302 on opposite sides, a plurality of third partition plates 305 connecting the third left vertical plate 301 and the third right vertical plate 302 and arranged at intervals, a wire sleeve 306 provided on the third left vertical plate 301 and the third right vertical plate 302, and a reinforcing sleeve 307 provided at both ends of the third lower cover plate 304.

[0041] Please refer to Fig. 9 and Fig.10 ,in Fig. 9 yes Figure 1 The schematic diagram of the structure of the cross beam in the frame of the overhead line maintenance vehicle without a center beam is shown; Fig.10 yes Fig. 9 The cross beam 4 is provided between the left beam 101 and the right beam 102, and its two ends are connected to the left beam 101 and the right beam 102 respectively. The cross beam 4 is used for mounting chassis components. The cross beam 4 includes a fourth left vertical plate 401 and a fourth right vertical plate 402 arranged opposite to each other, a plurality of fourth partition plates 403 connected to the fourth left vertical plate 401 and the fourth right vertical plate 402, and a wire hole 404 formed through the fourth left vertical plate 401 and the fourth right vertical plate 402.

[0042] Please refer to Fig.11 ,yes Figure 1 The schematic diagram of the structure of the power and auxiliary system mounting seat in the frame of the overhead line maintenance vehicle without a center beam is shown. The power and auxiliary system mounting seat 6 includes a radiator mounting seat 601, an engine mounting seat 602, a gearbox mounting seat 603, a traction motor mounting seat 604, and a battery box mounting seat 605. According to different designs, other mounting seats can also be provided accordingly.

[0043] The tunnel three-platform mounting seat 7 and the aerial work vehicle bucket mounting seat 8 are located in the middle of the frame, the traction seat 9 is located at the bottom of the frame, and the hydraulic, air brake system and electrical system accessories 11 are arranged on the traction beam at one end of the frame.

[0044] Please refer to Fig.12 ,yes Figure 1The structure diagram of the traction air cooling system air duct in the frame of the overhead line maintenance vehicle without a center beam is shown. The traction air cooling system air duct 10 is supported by a cross beam and a side beam, and is used to connect the traction fan and supply air to the traction fan to cool the motor. The traction air cooling system air duct 10 is a box-shaped structure, and a duct opening 1001 is provided on one side.

[0045] The frame of the non-center beam overhead line maintenance vehicle of the present invention is mainly used for the installation of parts of self-propelled traction electric transmission vehicles. The main installation parts include front and rear couplers, bogies, traction air cooling system, power and auxiliary system components, traction converters, wind bags, fuel tanks, aerial work buckets, and three-platform operation devices. According to the design of the whole vehicle, the vehicle has a 120km / h self-propelled function, and many parts are installed, which has high requirements on the load-bearing of the frame. In addition, the frame is mainly a frame load-bearing form, which must meet the requirements of the load-bearing and traction working condition standards, as follows:

[0046] (1) To meet the installation requirements of vehicle components, the frame is designed to have a total length of 23,000 mm, a width of 2,960 mm, and a fixed distance of 16,000 mm;

[0047] (2) The installation height of the bogie directly affects the height of the coupler, so the distance between the side bearing installation surface and the rail surface must be strictly controlled;

[0048] (3) The position of the mounting seat at the bottom of the frame must ensure the installation dimension tolerance of ±0.5mm;

[0049] (4) After the frame is welded, check the distortion. The height difference between the center beam and the side beam, and between the side beams in any cross section shall not exceed 5mm; the horizontal bending shall not exceed 3mm, and the lateral bending shall not exceed 5mm / m;

[0050] (5) The difference between the diagonals of the frame shall not exceed 5 mm, and the difference between the diagonals of the drawbar seat and the side bearing holes shall not exceed 3 mm;

[0051] (6) After the frame is assembled and welded, the overall deflection is not allowed. The upward deflection between the center of the front and rear bogies is 16mm to 25mm and the deflection is uniform. The sag of the end beam to the center of the side bearing beam is 0 to 8mm.

[0052] The center-beamless contact network maintenance work vehicle frame provided by the present invention can meet the installation, debugging and maintenance of the large component system at the bottom of the vehicle; the center-beamless contact network maintenance work vehicle frame provided by the present invention is a main frame load-bearing form with better strength and rigidity; the center-beamless contact network maintenance work vehicle frame provided by the present invention can meet the load-bearing requirements of the large axle-weight contact network work vehicle frame.

[0053] The embodiments of the present invention are described in detail above with reference to the accompanying drawings, but the present invention is not limited to the described embodiments. For those skilled in the art, various changes, modifications, substitutions and variations made to these embodiments without departing from the principles and spirit of the present invention are still within the scope of protection of the present invention.

Claims

1. A frame for a overhead line maintenance vehicle without a center beam, characterized in that: It includes side beams, traction beams connected to the side beams and located at both ends of the frame, pillow beams connected to the side beams to form the main bearing structure, a plurality of cross beams distributed at intervals and connected to the side beams at both ends, power and auxiliary system mounting seats and traction air cooling system air ducts connected to the cross beams, tunnel three-platform mounting seats, aerial work bucket mounting seats, traction seats fixed to the side beams, and hydraulic system, air brake system and electrical system accessories arranged on the traction beams; the side beams include a left beam and a right beam arranged opposite to each other, the left beam / right beam The side beam includes a first left vertical plate and a first right vertical plate which are arranged opposite to each other, a first upper cover plate and a first lower cover plate which are connected to the first left vertical plate and the first right vertical plate and are relatively spaced apart, a plurality of first partition plates which are arranged between the first left vertical plate and the first right vertical plate and are spaced apart, and a first rib plate which connects the first left vertical plate and the first right vertical plate; the first left vertical plate, the first right vertical plate, the first upper cover plate, the first lower cover plate and the first partition plate are welded into a box-type structure; the left beam and the right beam are fish belly-type structures, with a total length of 22976 mm and a middle height of 4 00mm, the height of both ends is 360mm, the first rib plate is arranged at the variable section; the traction beam includes a second left vertical plate and a second right vertical plate arranged at a relative interval, a wrapping plate connecting the second left vertical plate and the second right vertical plate and located at the end of the traction beam, an impact seat arranged on the inner side of the second left vertical plate and the second right vertical plate and used for the installation of the coupler buffer, a second rib plate arranged on the outer side of the second left vertical plate and the second right vertical plate, and a plurality of reinforcing beams connecting the second left vertical plate and the second right vertical plate and distributed at intervals; the wrapping plate is made of Q355B steel The plate is cold-pressed after processing, the impact seat is riveted and fixed to the second left vertical plate and the second right vertical plate, and the second left vertical plate and the second right vertical plate are processed from Q355B steel plate; the pillow beam includes a third left vertical plate and a third right vertical plate, a third upper cover plate and a third lower cover plate covering the third left vertical plate and the third right vertical plate on opposite sides, a plurality of third partitions connecting the third left vertical plate and the third right vertical plate and arranged at intervals, a wire sleeve arranged on the third left vertical plate and the third right vertical plate, and a reinforcing sleeve arranged at both ends of the third lower cover plate.

2. The center beam-less overhead line maintenance vehicle frame according to claim 1, characterized in that: The power and auxiliary system mounting seats include a radiator mounting seat, an engine mounting seat, a gearbox mounting seat, a traction motor mounting seat, and a battery box mounting seat.

3. The frame of the overhead line maintenance vehicle without a center beam according to claim 1, characterized in that: The cross beam includes a fourth left vertical plate and a fourth right vertical plate that are arranged opposite to each other, a plurality of fourth partition plates connected to the fourth left vertical plate and the fourth right vertical plate, and a wire hole formed through the fourth left vertical plate and the fourth right vertical plate.

4. The frame of the overhead line maintenance vehicle without a center beam according to claim 1, characterized in that: The air duct of the traction air cooling system is a box-shaped structure, and an air duct opening is arranged on one side thereof.

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