CN210634558U

CN210634558U - Engineering truck body

Info

Publication number: CN210634558U
Application number: CN201921507285.2U
Authority: CN
Inventors: 丁成钢; 郭帅; 杨大龙
Original assignee: Beijing Wonderroad Magnesium Technology Co Ltd
Current assignee: Dalian Jiaotong University; Beijing Wonderroad Magnesium Technology Co Ltd
Priority date: 2019-09-11
Filing date: 2019-09-11
Publication date: 2020-05-29
Anticipated expiration: 2029-09-11

Abstract

An engineering truck body belongs to the technical field of rail vehicles. The engineering truck body comprises an underframe, a power workshop body, a first cab and a second cab, and the body formed by fixedly connecting the power workshop body, the first cab and the second cab is fixedly connected with the underframe. The bottom of the chassis is provided with a bogie frame of wheels, the middle position of the bottom is hung with a fuel tank, and the two ends are provided with a hook lifting rod device, a hook buffer device and a barrier remover. The two sides of the power compartment car body are provided with side shutters, the top of the power compartment car body is provided with a movable top cover, a fixed top cover and a radiator, and the movable top cover and the fixed top cover are provided with top shutters. The cab is provided with a console, a side lifting window and a cab door. And adopting welding connection with a butt joint groove angle of 25-30 degrees and a gap of 1-1.5mm at the fixed connection position of the steel plate with the thickness of 10-12 mm. The vehicle body adopts an integral box type structure, the two drivers' cabs are arranged, the whole vehicle body has strong bearing capacity, high modularization degree and convenient maintenance, and can be combined with equipment to serve multiple subway projects.

Description

Engineering truck body

Technical Field

The utility model relates to an engineering truck automobile body, it belongs to rail vehicle technical field.

Background

In the last decade, the urban rail transit in China enters a 'explosive' development stage from a rapid development stage, and a large number of urban rail transit lines are put into operation. While the urban rails are popularized, a series of problems of subway construction, line maintenance, detection and the like are brought, and the subway engineering vehicle plays an important role at the moment and is essential in various stages of subway construction, operation equipment, trial operation, formal operation and the like.

The urban rail transit lines are all required to be provided with a certain number of engineering vehicles, at least two internal combustion shunting machines of about 400kW are generally arranged for shunting operation in vehicles, two rail vehicles of more than about 280kW are used for line engineering maintenance, and other engineering vehicles with special purposes such as steel rail flaw detection, rail detection and steel rail grinding are also required to be arranged according to actual lines.

Therefore, the engineering vehicle which can meet the subway engineering requirements and the whole vehicle performance technical specifications is designed to be very important under the era background of rapid development of urban rail transit. In the whole design of the engineering vehicle, the vehicle body structure is the most critical manufacturing link.

Disclosure of Invention

In order to overcome the problem that exists among the prior art, the utility model provides an engineering van automobile body, this automobile body adopt whole box structure, and two drivers arrange, and whole car automobile body has that bearing capacity is strong, the modularization degree is high, it is convenient to overhaul the maintenance, can combine the multiple subway engineering of equipment service.

The utility model adopts the technical proposal that: a kind of engineering van body, it includes underframe, power workshop body, first cab and second cab, the said power workshop body, first cab and second cab fixed connection formed body and underframe fixed connection; the bottom of the underframe is connected with four bogie frames respectively provided with two wheels, a fuel tank is hung in the middle of the bottom, and a hook lifting rod device, a hook buffer device and a barrier removing device are sequentially arranged at two ends of the underframe from top to bottom; a first side shutter, a second side shutter and two third side shutters are respectively arranged on two sides of the power compartment body, a first movable top cover, a second movable top cover, a fixed top cover and a radiator are sequentially arranged on the top of the power compartment body from one end, the first movable top cover is provided with a first top shutter, and the fixed top cover is provided with a second top shutter; first driver's cab is equipped with first control cabinet, first side and carries window and first driver's cab door, the second driver's cab is equipped with second control cabinet, second side and carries window and second driver's cab door, is equipped with the headlight mount pad in the top of the windscreen of first driver's cab and second driver's cab, and the below is equipped with the wiper mount pad.

The chassis adopts limit beam, longeron and crossbeam to constitute fixed connection's frame construction, adopts first end crossbeam, first sleeper, three middle crossbeam, second sleeper, second crossbeam and second end crossbeam fixed connection in proper order from one end between first limit beam and second limit beam, and first end crossbeam adopts first crossbeam fixed connection with first crossbeam, and second crossbeam and second end crossbeam adopt second crossbeam fixed connection.

The fixed connection comprises the fixed connection of a vehicle body and an underframe and the fixed connection consisting of a side beam, a longitudinal beam and a cross beam, and the steel plate with the thickness of 10-12mm is welded and connected by adopting a butt joint bevel angle of 25-30 degrees and a gap of 1-1.5 mm.

The utility model has the advantages that: the engineering truck body comprises an underframe, a power workshop body, a first cab and a second cab, wherein the power workshop body, the first cab and the second cab are fixedly connected to form a truck body and the underframe. The bottom of the chassis is connected with four bogie frames which are respectively provided with two wheels, a fuel tank is hung in the middle of the bottom, and a hook lifting rod device, a hook buffer device and a barrier removing device are sequentially arranged at two ends of the chassis from top to bottom. The two sides of the power compartment car body are provided with side shutters, the top of the power compartment car body is provided with a movable top cover, a fixed top cover and a radiator, and the movable top cover and the fixed top cover are provided with top shutters. A control console, a side lifting window and a cab door are arranged in the cab, a headlamp mounting seat is arranged above the windshield glass of the cab, and a windscreen wiper mounting seat is arranged below the windscreen glass. And adopting welding connection with a butt joint groove angle of 25-30 degrees and a gap of 1-1.5mm at the fixed connection position of the steel plate with the thickness of 10-12 mm. The vehicle body adopts an integral box type structure, the two drivers' cabs are arranged, the whole vehicle body has strong bearing capacity, high modularization degree and convenient maintenance, and can be combined with equipment to serve multiple subway projects.

Drawings

The following provides a further description of the present invention with reference to the drawings and examples.

Fig. 1 is a structural front view of a truck body of a construction vehicle.

Fig. 2 is a structural side view of a truck body of a construction vehicle.

Fig. 3 is a structural plan view of a truck body of a working truck.

Fig. 4 is a plan view of an underframe structure of a truck body of a construction truck.

In the figure: 1. underframe, 1a, bogie frame, 1b, wheel, 2, power compartment car body, 3, first cab, 3a, first console, 3b, first side lift window, 3c, first cab door, 4, second cab, 4a, second console, 4b, second side lift window, 4c, second cab door, 5, first barrier remover, 5a, second barrier remover, 6, first hook buffer, 6a, second hook buffer, 7, first side blind, 7a, second side blind, 7b, third side blind, 8, first movable top cover, 8a, second movable top cover, 8b, fixed top cover, 8c, handle, 9, radiator, 10, first top blind, 10a, second top blind, 11, first end cross beam, 11a, second end cross beam, 12, first longitudinal beam, 12a, second longitudinal beam, 13, The automobile windscreen wiper comprises a first cross beam, a second cross beam, a first sleeper beam, a first 14a, a second sleeper beam, a middle cross beam, a second 16, a first side beam, a second 17, a headlamp mounting seat, a first 18, a handrail, a second 19, windshield glass, a second 19a, a windscreen wiper mounting seat, a second 20, a hook and lifting rod device, a second 21 and a fuel tank.

Detailed Description

Fig. 1, 2 and 3 show a structure diagram of a truck body of a construction truck. In the figure, the engineering vehicle body comprises an underframe 1, a power train body 2, a first cab 3 and a second cab 4. The power room body 2, the first cab 3 and the second cab 4 are fixedly connected to form a vehicle body which is fixedly connected with the underframe 1. The bottom of the chassis 1 is connected with four bogie frames 1a which are respectively provided with two wheels 1b, a fuel tank 21 is hung in the middle of the bottom, and a hook lifting rod device, a hook buffer device and a barrier removing device are sequentially arranged at two ends of the chassis from top to bottom. Two sides of the power compartment body 2 are respectively provided with a first side shutter 7, a second side shutter 7a and two third side shutters 7b, the top of the power compartment body is sequentially provided with a first movable top cover 8 with a handle 8c, a second movable top cover 8a with a handle 8c, a fixed top cover 8b with a handle 8c and a radiator 9 from one end, the second movable top cover 8a is provided with a first top shutter 10, and the fixed top cover 8b is provided with a second top shutter 10 a. The first cab 3 is provided with a first console 3a, a first side lift window 3b, and a first cab door 3c having handrails 18 on both sides of a door frame. The second cab 4 is provided with a second console 4a, a second side lift window 4b and a second cab door 4c with handrails 18 on two sides of a door frame, a headlight mounting seat 17 is arranged above the windshield glass 19 of the first cab 3 and the second cab 4, and a wiper mounting seat 19a is arranged below the headlight mounting seat.

Fig. 4 shows a structure of an underframe of a truck body of a construction truck. The underframe 1 adopts a frame structure formed by fixedly connecting side beams, longitudinal beams and cross beams, a first end cross beam 11, a first cross beam 13, a first sleeper beam 14, three middle cross beams 15, a second sleeper beam 14a, a second cross beam 13a and a second end cross beam 11a are fixedly connected between a first side beam 16 and a second side beam 16a from one end in sequence, the first end cross beam 11 and the first cross beam 13 are fixedly connected by adopting a first longitudinal beam 12, and the second cross beam 13a and the second end cross beam 11a are fixedly connected by adopting a second longitudinal beam 12 a.

The fixed connection comprises the fixed connection of a vehicle body and the underframe 1 and the fixed connection consisting of a side beam, a longitudinal beam and a cross beam, and the steel plates with the thickness of 10-12mm are connected by welding with a butt joint bevel angle of 25-30 degrees and a gap of 1-1.5 mm.

The engineering truck body adopts a low-stress small-deformation welding method: the core of the construction method is high-frequency pulse MAG welding, and the output electric arc working mode of the IGBT inverter welding machine is accurately controlled by using double chips, so that the welding machine outputs 'uninterrupted' pulse electric arc, namely high-frequency pulse arc, thereby increasing the linear energy of the electric arc, increasing the stiffness of the electric arc and being beneficial to the welding of various metal materials.

Compared with the common pulse MIG/MAG welding: the arc transition frequency under the common pulse is the transition of one pulse and one drop, while the arc transition pulse frequency of the MIG/MAG welding with high-frequency pulse can be increased by 30-50%, thus forming the transition form of ' uninterrupted ' pulse arc, i.e. one pulse and multiple drops '. Compared with the common pulse MAG welding, the high-frequency pulse MAG welding has the following characteristics: 1) the welding speed is faster and can be improved by about 30-40%; 2) the arc column is narrowed, so that the arc column has the characteristic of compressing the electric arc, and the welding penetration and the penetrating power of the electric arc are increased; 3) the small current is more stable and is more suitable for vertical backing welding; 4) and basically has no welding spatter.

Secondly, this kind of machineshop car automobile body has saved vehicle manufacturing cost: a typical welding joint for manufacturing a whole vehicle adopts a small groove angle (30-degree angle) and a small welding gap, and compared with the traditional vehicle body welding (60-degree angle), the welding wire consumption can be saved by 46%.

The car body structure generally selects a 12mm thick steel plate, the angle of a butt joint groove of the car body structure is 25-30 degrees, the welding gap is 1-1.5mm, and the whole welding seam metal has two layers (two layers): 1) backing a weld bead; 2) filling and capping weld beads; reference to EN ISO9692-1 "welding and related processes-recommended welding groove-first part: related regulations of shielded metal arc welding, gas shielded welding, gas welding, TIG welding and high-energy beam welding of steel, 12mm steel plates have an original butt welding process with a groove angle of 60 degrees and a welding gap of 2-3mm, and the metal of the whole welding seam has three layers (three layers): 1) backing a weld bead; 2) filling a weld bead; 3) and (7) surfacing welding.

Claims

1. The utility model provides an engineering van automobile body, it includes chassis (1), power room automobile body (2), first cab (3) and second cab (4), characterized by: the power room vehicle body (2), the first cab (3) and the second cab (4) are fixedly connected to form a vehicle body which is fixedly connected with the underframe (1); the bottom of the underframe (1) is connected with four bogie frames (1 a) respectively provided with two wheels (1 b), a fuel tank (21) is hung in the middle of the bottom, and a hook lifting rod device, a hook buffer device and a barrier removing device are sequentially arranged at two ends of the underframe from top to bottom; a first side shutter (7), a second side shutter (7 a) and two third side shutters (7 b) are respectively arranged on two sides of the power compartment body (2), a first movable top cover (8), a second movable top cover (8 a), a fixed top cover (8 b) and a radiator (9) are sequentially arranged on the top of the power compartment body from one end, a first top shutter (10) is arranged on the second movable top cover (8 a), and a second top shutter (10 a) is arranged on the fixed top cover (8 b); first cab (3) are equipped with first control cabinet (3 a), first side and carry window (3 b) and first driver's cabin door (3 c), second cab (4) are equipped with second control cabinet (4 a), second side and carry window (4 b) and second driver's cabin door (4 c), are equipped with headlight mount pad (17) in the top of windscreen (19) of first cab (3) and second cab (4), and the below is equipped with wiper mount pad (19 a).

2. The engineering truck body of claim 1, characterized in that: the chassis (1) is of a frame structure fixedly connected by adopting side beams, longitudinal beams and cross beams, a first end cross beam (11), a first cross beam (13), a first sleeper beam (14), three middle cross beams (15), a second sleeper beam (14 a), a second cross beam (13 a) and a second end cross beam (11 a) are fixedly connected between a first side beam (16) and a second side beam (16 a) from one end in sequence, the first end cross beam (11) and the first cross beam (13) are fixedly connected by adopting a first longitudinal beam (12), and the second cross beam (13 a) and the second end cross beam (11 a) are fixedly connected by adopting a second longitudinal beam (12 a).

3. A machineshop car body as claimed in claim 1 or 2, wherein: the fixed connection comprises the fixed connection of a vehicle body and an underframe (1) and the fixed connection consisting of a side beam, a longitudinal beam and a cross beam, and the steel plate with the thickness of 10-12mm is welded and connected by adopting a butt joint bevel angle of 25-30 degrees and a gap of 1-1.5 mm.