阅读说明：本技术 一种自动倾翻车 (Automatic tipping vehicle ) 是由 赵明 王碾场 尹来源 张春发 陈燕 黄刚强 袁太红 张明明 庞秋燕 赵祖兴 谢剑 于 2020-06-18 设计创作，主要内容包括：本发明公开了一种自动倾翻车,属于货运车辆技术领域,包括：底架,底架上设置有转向架；车箱,设置在底架上,车箱的一侧与底架转动连接,车箱内部设置有导流板,车箱的内部表面上设置有助滑涂层；驱动机构,设置于车箱与底架之间,能够驱动车箱进行倾翻；通过在车箱内部设置导流板,防止货物在车箱内出现粘连和残留现象,使车辆能够更好地倾卸安息角较大且粘性较强的货物；通过在车箱内表面喷涂助滑涂层,降低车箱内表面与货物间的摩擦系数,使货物能够更容易倾卸出车箱,防止货物粘连和残留在车箱内表面,从而实现更好地倾卸安息角较大且粘性较强的货物。(The invention discloses an automatic tipping vehicle, belonging to the technical field of freight vehicles, comprising: the bogie is arranged on the underframe; the device comprises a carriage, a sliding plate, a sliding assisting coating and a sliding guide plate, wherein the carriage is arranged on an underframe, one side of the carriage is rotationally connected with the underframe, the guide plate is arranged inside the carriage, and the sliding assisting coating is arranged on the inner surface of the carriage; the driving mechanism is arranged between the carriage and the underframe and can drive the carriage to tip; the guide plate is arranged in the carriage, so that the adhesion and residue of goods in the carriage are prevented, and the vehicle can better dump the goods with larger repose angle and stronger viscosity; the friction coefficient between the inner surface of the carriage and goods is reduced by spraying the sliding-assistant coating on the inner surface of the carriage, so that the goods can be more easily dumped out of the carriage, the goods are prevented from being adhered and remained on the inner surface of the carriage, and the goods with larger repose angle and stronger viscosity can be better dumped.)

1. An automatic tipping vehicle, comprising:

the bogie is arranged on the underframe;

the device comprises a carriage, a sliding plate, a sliding layer and a sliding layer, wherein the carriage is arranged on the underframe, one side of the carriage is rotationally connected with the underframe, the inside of the carriage is provided with the guide plate, and the inner surface of the carriage is provided with the sliding layer;

and the driving mechanism is arranged between the carriage and the underframe and can drive the carriage to tip.

2. The automatic dumping car of claim 1 wherein said chassis comprises:

a chassis body;

the sleeper beam is arranged on the underframe body;

the rotating shaft lower seat is arranged at one end of the sleeper beam and is rotatably connected with one side of the carriage;

and the supporting seat is arranged at the other end of the sleeper beam and can bear the other side of the carriage.

3. The auto-tipping vehicle of claim 2, wherein the container comprises:

a wagon box underframe;

the upper rotating shaft seat is arranged on the lower side of the carriage chassis and is rotationally connected with the lower rotating shaft seat;

the bottom plate is arranged on the carriage underframe;

the side door is arranged on the upper side of the carriage chassis and is hinged with the carriage chassis;

the side wall is arranged on one side, far away from the side door, of the carriage chassis and is connected with the bottom plate;

and the two end walls are respectively connected with the two ends of the bottom plate and the side wall.

4. The automatic dumping car of claim 3, wherein the lower end of said side door is rotatably connected to said carriage chassis by a hinge, said carriage chassis being provided with a limiting plate capable of limiting said side door when said side door is rotated to be parallel to said bottom plate.

5. The dump truck of claim 3 wherein the bottom carriage frame comprises a longitudinal beam, a transverse beam, a side beam, and an end beam, the longitudinal beam, the transverse beam, the side beam, and the end beam being welded together as a unitary structure.

6. The automatic tipper of claim 1, wherein said drive mechanism comprises a pneumatic cylinder, a housing end is hingedly connected to said undercarriage, and a telescoping end is hingedly connected to the other side bottom of said container.

7. The dump truck of claim 1 wherein the deflector is disposed on an internal corner of the interior of the container.

8. The self-dumping car of claim 1, wherein said slip-promoting coating is a polyurea layer.

9. The automatic dumper of claim 1, wherein the cross-section of the deflector is circular arc.

10. The automatic tipper of claim 6, further comprising a brake, a brake reservoir and a reservoir line, said cylinders being provided in two, said brake being provided on one side of said truck, said brake reservoir and reservoir line being provided between said two cylinders.

Technical Field

The invention belongs to the technical field of freight vehicles, and particularly relates to an automatic tipping vehicle.

Background

The prior automatic dumping car in China is a bilateral dumping automatic dumping car, the maximum dumping angle is 45 degrees, and the automatic dumping car is mainly used for transporting ore, peeling rocks, gravel, coal blocks, building materials and other bulk goods with smaller repose angles. For the goods with high viscosity such as red soil, the goods are easy to be bonded together to form blocky goods, and the blocky goods are also easy to be bonded on the included angle between the inner wall of the carriage and the bottom plate after the goods are in the carriage for a long time, so that the condition that the repose angle of the goods is larger is caused. The tipping mechanism of the automatic tipping vehicle mainly comprises a large folding mechanism and a bottom four-bar mechanism, and the automatic tipping vehicle is used for many years, and when side dumping goods with high viscosity and large repose angle (such as wet sand and red soil), the vehicle can overturn or the goods can not be unloaded completely. At present, the problem of dumping the goods with large viscosity and large repose angle better is urgently needed to be solved, so that the goods can meet railway transportation conditions, and the safety and the stability of the vehicle can be ensured under the condition of ensuring that the goods are completely unloaded.

Disclosure of Invention

The invention aims to overcome the defects in the prior art and provide an automatic dumping car which can be suitable for transporting and dumping goods with high viscosity and large repose angle and simultaneously ensure the safety and stability of the car.

In order to achieve the above object, the present invention provides an automatic dumping car, comprising:

the bogie is arranged on the underframe;

the device comprises a carriage, a sliding plate, a sliding layer and a sliding layer, wherein the carriage is arranged on the underframe, one side of the carriage is rotationally connected with the underframe, the inside of the carriage is provided with the guide plate, and the inner surface of the carriage is provided with the sliding layer;

and the driving mechanism is arranged between the carriage and the underframe and can drive the carriage to tip.

Optionally, the chassis comprises:

a chassis body;

the sleeper beam is arranged on the underframe body;

the rotating shaft lower seat is arranged at one end of the sleeper beam and is rotatably connected with one side of the carriage;

and the supporting seat is arranged at the other end of the sleeper beam and can bear the other side of the carriage.

Optionally, the container includes:

a wagon box underframe;

the upper rotating shaft seat is arranged on the lower side of the carriage chassis and is rotationally connected with the lower rotating shaft seat;

the bottom plate is arranged on the carriage underframe;

the side door is arranged on the upper side of the carriage chassis and is hinged with the carriage chassis;

the side wall is arranged on one side, far away from the side door, of the carriage chassis and is connected with the bottom plate;

and the two end walls are respectively connected with the two ends of the bottom plate and the side wall.

Optionally, the lower extreme of side door through fold paper with the railway carriage chassis rotates to be connected, be provided with the limiting plate on the railway carriage chassis, the limiting plate can the side door rotate to with it is right when the bottom plate is parallel the side door carries on spacingly.

Optionally, the underframe of the truck bed comprises longitudinal beams, cross beams, side beams and end beams, and the longitudinal beams, the cross beams, the side beams and the end beams are welded into an integrated structure.

Optionally, the driving mechanism includes a cylinder, the housing end is hinged to the underframe, and the telescopic end is hinged to the bottom of the other side of the carriage.

Optionally, the deflector is disposed on an internal corner of the interior of the vehicle.

Optionally, the slip-coat layer is a polyurea layer.

Optionally, the cross-section of the baffle is circular arc.

Optionally, the bogie further comprises two braking devices, two braking air cylinders and two air cylinder pipelines, wherein the braking devices are arranged on one side of the bogie, and the braking air cylinders and the air cylinder pipelines are arranged between the two air cylinders.

The invention provides an automatic tipping vehicle, which has the beneficial effects that:

1. through setting up the guide plate at the inside reentrant corner of railway carriage, prevent that the adhesion from appearing and remain the phenomenon in the railway carriage in the goods, make the vehicle can dump the great and stronger goods of viscidity in angle of repose better.

2. The friction coefficient between the inner surface of the carriage and goods is reduced by spraying the sliding-assistant coating on the inner surface of the carriage, so that the goods can be more easily dumped out of the carriage, the goods are prevented from being adhered and remained on the inner surface of the carriage, and the goods with larger repose angle and stronger viscosity can be better dumped.

3. This tipper adopts the unilateral to tumble, through increasing the cylinder stroke, increases the angle of tumbling of tipper, makes the goods can more easily dump out the railway carriage to the realization dumps the great and stronger goods of viscidity of repose angle better.

4. The sleeper beam is arranged on the underframe, the lower seat of the rotating shaft is arranged at one end of the sleeper beam, the tilting stability of the carriage is maintained, and the supporting seat is arranged at the other end of the sleeper beam, so that the supporting effect of the vehicle on the carriage in a non-tilting state is ensured, and the safety and the stability of the vehicle are ensured.

Additional features and advantages of the invention will be set forth in the detailed description which follows.

Drawings

The above and other objects, features and advantages of the present invention will become more apparent by describing in more detail exemplary embodiments thereof with reference to the attached drawings, in which like reference numerals generally represent like parts throughout.

Fig. 1-5 show schematic block diagrams of an automatic dumping car according to an embodiment of the present invention.

Fig. 1 shows a front view of a tilting vehicle.

Fig. 2 shows a schematic side view of the tip-over state.

Fig. 3 shows a schematic side view of the structure in an untilted state.

Fig. 4 shows a three-dimensional structure in a tilted state.

Fig. 5 shows a schematic three-dimensional structure in an untilted state.

Fig. 6 shows a schematic structural view of a container of an auto-dumping car according to an embodiment of the present invention.

Fig. 7 is a schematic diagram showing the arrangement position of a deflector of an automatic dumping car according to an embodiment of the present invention.

Fig. 8 shows a schematic block diagram of a bolster of an automatic dumping car according to an embodiment of the present invention.

Fig. 9 shows a schematic view of the maximum roll angle of an auto-dumper according to an embodiment of the present invention.

Description of reference numerals:

1. a carriage; 2. a chassis; 3. a cylinder; 4. a bogie; 5. a side door; 6. an end wall; 7. a side wall; 8. a wagon box underframe; 9. a baffle; 10. a lower base of the rotating shaft; 11. a bolster; 12. a supporting seat; 13. and (4) a middle beam.

Detailed Description

Preferred embodiments of the present invention will be described in more detail below. While the following describes preferred embodiments of the present invention, it should be understood that the present invention may be embodied in various forms and should not be limited by the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the invention to those skilled in the art.

The invention provides an automatic dumping car, comprising:

the bogie is arranged on the underframe;

the device comprises a carriage, a sliding plate, a sliding assisting coating and a sliding guide plate, wherein the carriage is arranged on an underframe, one side of the carriage is rotationally connected with the underframe, the guide plate is arranged inside the carriage, and the sliding assisting coating is arranged on the inner surface of the carriage;

and the driving mechanism is arranged between the carriage and the underframe and can drive the carriage to tip.

Specifically, the vehicle structure mainly comprises an underframe, a wagon box, a driving mechanism, a coupler buffer device and the like, wherein a bogie is arranged on the underframe, the bogie is preferably a K6-turning bogie, the wagon box is arranged on the underframe, and the driving mechanism is arranged between the wagon box and the underframe. According to the cargo unloading mode, the automatic dumping car provided by the invention still adopts the structural style of a movable car box and a fixed underframe which are commonly used by the automatic dumping car, and simultaneously considers the problem of poor cargo flowability, and the tipping angle of the car box of the car is designed to be more than 60 degrees and can reach 65 degrees at most. When the railway carriage tipping angle is greater than 45 degrees, because the restriction of railway carriage center of rotation has resulted in the railway carriage can not overturn to both sides, this car overall design is the unilateral structure of overturning, sets up on the chassis through the railway carriage, and one side of railway carriage is connected with the chassis through the pivot to make the railway carriage can use the pivot to do the action of overturning as the fulcrum, realize the unilateral and overturn. The driving mechanism is arranged between the carriage and the underframe and is used for driving the carriage to perform single-side tilting action with the rotating shaft as a fulcrum.

The guide plate is arranged in the carriage and can be installed by adopting a welding or bolt fixing method. The surface of the interior of the carriage is also coated with a sliding-assistant coating, the thickness of the sliding-assistant coating can be 1mm to 2mm, the sliding-assistant coating can reduce the friction coefficient between the inner surface of the carriage and goods to about 0.15, meanwhile, the coating is superior to steel in hardness and wear resistance, the high and low temperature resistance degree meets the requirements of the use environment of the vehicle, and the aging rate of the coating can meet the requirement of the service period of the vehicle. The flow guide plate and the sliding-assistant coating are arranged in the carriage, so that the adhesion phenomenon of goods and the inner surface of the carriage is reduced, and the goods are prevented or reduced from being adhered to the intersection angle and the uneven surface of the carriage to form residues.

According to the bearing capacity of the existing line in China, the single-vehicle automatic dumping vehicle is unloaded to meet the requirements that the weight per linear meter is not more than 8t/m and the axle weight is 23.8t to the maximum extent, the automatic dumping vehicle adopts the lightweight technologies of cold-formed steel, welded structure folding, welded structure rotating shaft upper seat, welded structure rotating shaft lower seat, welded structure air cylinder support and the like, the vehicle body structure is reasonably optimized by means of finite element analysis and calculation, the vehicle dead weight is reduced, the maximum economic benefit is exerted, the vehicle dead weight is 62t, the dead weight is 30t, the dead weight coefficient is 0.483, and the dead weight coefficient is reduced by 14% compared with the dead weight coefficient (0.56) of the domestic KF60AK type self dumping vehicle.

The automatic dumping car adopts an all-steel welding structure, and calculation simulation analysis is carried out on a welding seam of a main stressed part in order to ensure the fatigue life and the long-term use reliability of the car body welding structure (especially a joint of manual electric arc welding). The welding characteristics of the car body material are main factors of the strength and the reliability of the joint, and because of the excellent welding performance, the higher impact toughness and the lower purchase cost of the high-strength weathering steel, the high-strength weathering steel is widely applied to railway vehicles in China at present and is practically inspected after being applied for nearly two decades. Therefore, on the basis of finite element analysis of the vehicle, the main material plate and the cold-formed section steel are determined to adopt high-strength weathering steel (Q345NQR2 or Q450NQR1) and structural steel (Q345E).

The main bearing parts, the section and the plate at the part contacting with goods of the automatic dumping car adopt the high-strength atmospheric corrosion resistant hot rolled steel plate and the section steel, and the good corrosion resistance and the enough strength are kept on the premise of reducing the self weight of the car; the service life and the overhaul period of the vehicle body can be prolonged, so that the overhaul cost and the operation cost of the vehicle are reduced.

The connection mode of the automatic dumping car running part and the car of the invention needs to select accessories and design components according to the running environment and the traction condition of the car and the latest and universal technology of the universal railway freight car in China.

Optionally, the chassis includes:

a chassis body;

the sleeper beam is arranged on the underframe body;

the rotating shaft lower seat is arranged at one end of the sleeper beam and is rotatably connected with one side of the carriage;

and the supporting seat is arranged at the other end of the sleeper beam and can bear the other side of the carriage.

Specifically, the underframe comprises an underframe body, sleeper beams, lower rotating shaft seats, supporting seats and the like, the underframe body comprises a middle beam, the sleeper beams are arranged on the middle beam of the underframe body and are vertically crossed with the middle beam, the middle parts of the sleeper beams are positioned on the middle beam, the lower rotating shaft seats and the supporting seats are respectively arranged at the two ends of the sleeper beams, which are far away from the middle beam, the number of the lower rotating shaft seats in the invention can be three, the lower rotating shaft seats are arranged at one end of the sleeper beams and are also the same side of the middle beam, and the supporting seats are arranged at the other end of the sleeper beams and are also the other side of the middle beam. When the carriage is tilted, the rotating shaft which transversely penetrates through the lower seat of the rotating shaft is mainly used as the rotating shaft, so that the tilting and unloading of the carriage are realized, the tilting stability is maintained, and the supporting seat can ensure the supporting effect of the vehicle on the carriage in a non-tilting state. In order to ensure good tipping performance, the concentricity requirement of the three rotating shafts is high, so that the influence of the accuracy of the mounting position of the lower seat of the rotating shaft on the tipping stability is large. In order to ensure the installation position precision of the lower seat of the rotating shaft, the invention adopts a sleeper beam and the lower seat of the rotating shaft with new structures. The contact surface of the sleeper beam and the lower seat of the rotating shaft is preferably a plane, a bolt fixing mode is preferably adopted, the flatness of the installation surface is guaranteed, meanwhile, the concentricity of the three rotating shafts can be guaranteed in a mode of additionally installing the backing plate, and the tipping stability is improved.

Optionally, the railway carriage includes:

a wagon box underframe;

the upper rotating shaft seat is arranged on the lower side of the underframe of the carriage and is rotationally connected with the lower rotating shaft seat;

the bottom plate is arranged on the underframe of the carriage;

the side door is arranged on the upper side of the carriage chassis and is hinged with the carriage chassis;

the side wall is arranged on one side of the carriage chassis far away from the side door and is connected with the bottom plate;

and the two end walls are respectively connected with the two ends of the bottom plate and the side wall.

Specifically, the carriage comprises a carriage underframe, a rotating shaft upper seat, a bottom plate, a side door, a side wall, an end wall and the like. The carriage chassis is provided with a rotating shaft upper seat, a cylinder connecting seat, a folding seat and the like which are respectively used for connecting a rotating shaft lower seat, a telescopic end of a connecting cylinder and realizing the hinging of a side door.

Preferably, 3 groups of rotating shaft upper seats, 2 groups of cylinder connecting seats and 6 groups of folding seats are arranged on the carriage chassis. The upper rotating shaft seat is located on the lower side of the carriage chassis and opposite to the lower rotating shaft seat in position, and is used for being matched with the lower rotating shaft seat, and the upper rotating shaft seat and the lower rotating shaft seat are connected through rotating of the rotating shaft to achieve one-side overturning of the carriage. The bottom plate is arranged on the chassis of the carriage and is used for supporting cargoes and fixedly connecting other structures, and the bottom plate is a high-strength weather-resistant steel plate. The side door is arranged on one side of the carriage and is hinged with the carriage chassis through a round pin; the side of the carriage chassis, which is far away from the side door relatively to the side door, is of a fixed side wall structure, the other two sides of the carriage chassis are of end wall structures, and meanwhile, the end walls and the side walls at the two ends are fixedly connected with the carriage chassis into a whole, namely, the two end walls and the side walls are fixedly connected with the bottom plate respectively, and the two end walls are fixedly connected with the side walls. The upper seat of the rotating shaft, the cylinder connecting seat and the underframe of the carriage are integrated and adopt a thick plate assembly welding structure; the side door folding seat adopts a single-plate structure, and the side door adopts a plate column type structure and mainly comprises an upper eaves beam, a lower eaves beam, side ribs, a side door plate, a folding paper and the like which are assembled and welded.

Optionally, the lower extreme of side door is connected with the railway carriage chassis is rotated through folding paper, is provided with the limiting plate on the railway carriage chassis, and the limiting plate can rotate to spacing to the side door when being parallel with the bottom plate at the side door.

Specifically, the lower end of the side door is rotatably connected with the carriage bottom frame through a hinge of the side door, so that the side door can be opened and closed.

Optionally, the underframe of the carriage comprises a longitudinal beam, a cross beam, a side beam and an end beam, and the longitudinal beam, the cross beam, the side beam and the end beam are welded into an integrated structure.

Specifically, the chassis of the carriage adopts a structure without a center sill and is formed by welding a side sill, a cross beam, an end beam, a longitudinal beam and the like. The side beams, the cross beams and the longitudinal beams are all made of cold bending channel steel which is the same as that of the lower side beam of the existing open wagon, and the end beams are of L-shaped steel plate bending structures.

Optionally, the driving mechanism comprises a cylinder, the end of the shell is hinged to the underframe, and the telescopic end is hinged to the bottom of the other side of the carriage.

Specifically, because the vehicle unilateral angle of tumbling is great, adopt the cylinder of big stroke, be equipped with the gas passage on the ear seat of cylinder, gas passage one end is connected the main tuber pipe, solves the big pneumatic pipeline connecting line of control system of cylinder angle of tumbling and becomes flexible the problem, has also avoided the cylinder to rotate to draw and has dragged the connecting line problem. The inner seal of the air cylinder adopts structures such as a Y-shaped seal ring and a retainer, and the sealing performance and the action reliability of the air cylinder are improved. The cylinder provides the drive for the railway carriage tumbles, and cylinder and supporting seat are in the homonymy of center sill, and the casing end of this cylinder is articulated with the chassis, and flexible end is articulated with the opposite side bottom of railway carriage to the realization is when the cylinder promotes the adjustment gesture that self can the adaptability of tipping of railway carriage.

Optionally, the baffle sets up on the reentrant corner of railway carriage inside.

Specifically, the guide plate can be arranged on the side wall, the end wall and the bottom plate surface of the carriage, which are contacted with goods, and the internal corner at the intersection between the surfaces in the carriage is covered. Thereby avoiding or reducing the adhesion of goods on the internal corners and uneven surface parts of the carriage to form residues.

Optionally, the slip-promoting coating is a polyurea layer.

In particular, the slip-coat layer may be a polyurea layer. The sliding-assistant coating is required to have good adhesiveness, can be closely attached to the inner surface of a carriage, is compact, continuous and seamless, and is required to have high strength, wear resistance, corrosion resistance, aging resistance and high and low temperature; the main functions of the sliding-assistant coating are to reduce the friction coefficient between the inner surface of the carriage and goods, reduce the adhesion phenomenon between the goods and the inner surface of the carriage, and realize better loading and unloading of goods with larger repose angle and stronger viscosity.

Optionally, the cross-section of the baffle is circular arc.

Particularly, the guide plate with the circular arc-shaped cross section is more favorable for reducing the resistance of goods during the inclination.

Optionally, the automatic dumping car further comprises two braking devices, two braking air cylinders and two air cylinder pipelines, wherein the two braking devices are arranged on one side of the bogie, and the two braking air cylinders and the two air cylinder pipelines are arranged between the two air cylinders.

Specifically, due to the particularity of the vehicle structure, the arrangement space of the braking device, the braking air cylinder and the air cylinder pipeline system is very limited, and the trend arrangement of the braking device and the air cylinder pipeline is mutually influenced, so that the assembly and the air tightness are difficult to control. This design has adopted at first concentrated the arranging, arranges control valve, reservoir pipeline, braking reservoir and each effect reservoir between two cylinders of tumbling, and 3 effect reservoirs are arranged on same support, and arresting gear sets up the one side at the bogie, has reduced the steel pipe joint quantity simultaneously according to the vehicle structure, has improved system's leakproofness. In addition, the air cylinder pipeline and the braking device are subjected to a process of painting and assembling according to the domestic advanced design concept, so that the assembling quality and the manufacturing quality of the braking system are improved, and the running safety of a train is ensured.