阅读说明：本技术 一种适应多种基础制动装置的副构架式径向转向架 (Auxiliary frame type radial bogie suitable for multiple foundation braking devices ) 是由 王云贵 祝笈 李霞 敬宣萱 罗汉江 张光才 冯成礼 张锐 廖军 于 2021-10-14 设计创作，主要内容包括：本发明公开了一种适应多种基础制动装置的副构架式径向转向架,由轮对组成、侧架组成、橡胶堆、摇枕组成、基础制动装置、滚动轴承装置、轮对径向装置、中央悬挂装置和弹性旁承组成构成,轮对径向装置由一对U形副构架构成,副构架上设置四组防脱安装座,各连接圆销上方、防脱安装座中安装用于防脱螺栓、螺母、垫圈和开口销；副构架的结构臂为凹形实心结构。本发明通过优化设计摇枕腹部制动装置组装孔,提高了摇枕的适应性,实现轻量化；副构架部位采用变截面实心设计满足各型制动装置配装间隙要求,运用可靠；本发明副构架式径向转向架结构不仅保证转向架低动力、低磨耗以及优良的曲线通过能力等特点,也保证了转向架可安装不同的基础制动装置。(The invention discloses an auxiliary frame type radial bogie suitable for various basic braking devices, which consists of a wheel set assembly, a side frame assembly, a rubber pile, a swing bolster assembly, a basic braking device, a rolling bearing device, a wheel set radial device, a central suspension device and an elastic side bearing, wherein the wheel set radial device consists of a pair of U-shaped auxiliary frames, four groups of anti-falling mounting seats are arranged on the auxiliary frames, and anti-falling bolts, nuts, gaskets and split pins are arranged above connecting round pins and in the anti-falling mounting seats; the structural arm of the auxiliary framework is of a concave solid structure. According to the invention, the assembling holes of the swing bolster abdomen braking device are optimally designed, so that the adaptability of the swing bolster is improved, and the lightweight is realized; the auxiliary framework part adopts a variable cross-section solid design to meet the requirement of assembling clearance of various braking devices, and the application is reliable; the auxiliary framework type radial bogie structure not only ensures the characteristics of low power, low abrasion, excellent curve passing capacity and the like of the bogie, but also ensures that the bogie can be provided with different basic braking devices.)

1. The utility model provides an adaptation multiple foundation brake device's auxiliary framework formula radial bogie, constitutes by the wheel pair, the side bearer is constituteed, rubber heap, swing bolster are constituteed, foundation brake device, antifriction bearing device, wheel pair radial device, central suspension device and elasticity side bearing constitute and constitute auxiliary framework formula radial bogie, its characterized in that:

the wheel pair radial device is formed by hinging a pair of U-shaped auxiliary frameworks through two connecting rods which are arranged in a crossed mode through connecting round pins, four groups of anti-falling mounting seats are arranged above the hinging positions of the connecting round pins on the auxiliary frameworks, and anti-falling bolts, nuts, washers and split pins for preventing the connecting round pins from jumping off are mounted above the connecting round pins and in the anti-falling mounting seats.

2. The multiple foundation brake rigging compliant sub-frame radial bogie according to claim 1, wherein: and the structural arm between the two connecting rod mounting holes of the auxiliary framework is of a concave solid structure.

3. The multiple foundation brake rigging compliant sub-frame radial bogie according to claim 1, wherein: the swing pillow is formed into a transverse fish belly shape, and an assembly hole in a rib plate in an inner cavity of the swing pillow is a trapezoidal hole.

4. A multiple foundation brake rigging compliant sub-frame radial bogie as claimed in claim 1 or claim 2 or claim 3, wherein: the basic brake device is a TMX type integrated brake device, a single-cylinder push-to-push type integrated brake device or a double-cylinder push-to-push type integrated brake device.

Technical Field

The invention belongs to the field of design and manufacture of railway transportation devices, particularly belongs to structural design and manufacture of a railway vehicle bogie, relates to matching design of a railway wagon bogie and a basic braking device, and particularly relates to an auxiliary framework type radial bogie suitable for various basic braking devices.

Background

According to the requirements of domestic and foreign truck markets, the requirements of customers on the structure and the performance of the bogie are gradually improved, most customers demand the bogie with low power, low abrasion and assembled with the integrated brake device, and the auxiliary framework type radial bogie can meet the requirements. However, due to the limitation of the structure of the auxiliary frame type bogie, the arrangement of the basic brake device of the existing bogie is single, and particularly, the structure of the auxiliary frame structure type and the structure of the swing bolster fish belly assembly hole cannot meet the requirement of diversified design of the basic brake device and cannot meet the diversified requirements of customers.

Disclosure of Invention

The invention discloses a sub-frame type radial bogie suitable for various foundation brake devices according to the defects of the prior art. The invention solves the problem that the auxiliary frame type radial bogie is limited by the structure of the wheel set radial device, so that the foundation braking mode of the bogie is single.

The technical scheme adopted by the invention is as follows:

the utility model provides an adaptation multiple foundation brake device's auxiliary framework formula radial bogie, constitutes by the wheel pair, the side bearer is constituteed, rubber heap, swing bolster are constituteed, foundation brake device, antifriction bearing device, wheel pair radial device, central suspension device and elasticity side bearing constitute and constitute auxiliary framework formula radial bogie, its characterized in that:

the wheel pair radial device is formed by hinging a pair of U-shaped auxiliary frameworks through two connecting rods which are arranged in a crossed mode through connecting round pins, four groups of anti-falling mounting seats are arranged above the hinging positions of the connecting round pins on the auxiliary frameworks, and anti-falling bolts, nuts, washers and split pins for preventing the connecting round pins from jumping off are mounted above the connecting round pins and in the anti-falling mounting seats.

And the structural arm between the two connecting rod mounting holes of the auxiliary framework is of a concave solid structure.

The swing pillow is formed into a transverse fish belly shape, and an assembly hole in a rib plate in an inner cavity of the swing pillow is a trapezoidal hole.

The basic brake device is a TMX type integrated brake device, a single-cylinder push-to-push type integrated brake device or a double-cylinder push-to-push type integrated brake device.

The auxiliary framework type radial bogie comprises a middle wheel set radial device, a swing bolster and a wheel set radial device, and adopts a connecting round pin anti-falling structure and a matched anti-falling device thereof. When the bogie falls into a finished product, two auxiliary frameworks, two connecting rods, four connecting round pins and corresponding anti-falling devices are adopted to form a wheel pair radial device, so that the bogie has excellent curve passing capacity; the swing bolster fish belly is provided with two symmetrical trapezoidal holes and an improved fish belly appearance structure, so that the wheel set radial device connecting rods and the foundation brake device can be conveniently installed; the anti-dropping mounting seats are arranged on two sides of the auxiliary framework connecting round pin mounting hole, so that the connecting rod round pin is prevented from being lost when the bogie runs.

According to the invention, a space structure suitable for the assembly of the connecting rod is arranged between the connecting rod and the swing bolster in the wheel set radial device by improving the structures of the fish belly and the inner cavity on the side surface of the swing bolster, so that the interference between the connecting rod and the swing bolster when a bearing spring is pressed down is prevented; the assembly of different types of basic braking devices is met by improving the structure between the auxiliary framework and the basic braking device in the wheel set radial device and the mounting holes of the two connecting rods of the auxiliary framework; the upper part of a connecting rod mounting hole of the auxiliary framework in the wheel set radial device is provided with a round pin anti-falling mounting seat, so that the round pin of the connecting rod is allowed to have certain play amount, and the round pin can be prevented from being lost.

The invention solves the problem of structural singleness of the basic braking device of the auxiliary framework type radial bogie by improving the auxiliary framework structure in the auxiliary framework type radial bogie wheel pair radial device and the structure of the swing bolster fish belly assembly hole.

Compared with the prior art, the invention has the following characteristics:

according to the auxiliary framework type radial bogie, the assembling holes of the braking devices at the belly of the swing bolster are optimally designed, so that the adaptability of the swing bolster is further improved while all main braking devices are met, and meanwhile, the designs such as light weight and the like are realized; the transverse beam part of the U-shaped auxiliary framework adopts a variable cross-section design to meet the requirement of assembling clearance of various braking devices and ensure the application reliability of the part; the auxiliary framework type radial bogie structure not only ensures the characteristics of low power, low abrasion, excellent curve passing capacity and the like of the bogie, but also ensures that different basic braking devices can be installed on the bogie, and meets the requirements of customers; the invention has simple structure, convenient implementation, convenient sand removal after casting and molding of the swing bolster and the auxiliary framework and strong adaptability, can be suitable for auxiliary framework type radial bogies with different track gauges and axle weights, and improves the adaptability of the auxiliary framework type radial bogies to a vehicle body.

Drawings

Fig. 1 is a schematic view of a conventional sub-frame type radial bogie.

Fig. 2 is a schematic structural view of the sub-frame type radial bogie of the present invention.

Fig. 3 is a schematic view of a conventional wheel-set radial device.

Fig. 4 is a schematic structural diagram of the wheel set radial device.

Fig. 5 is an enlarged schematic view of a circle portion in fig. 4.

Fig. 6 is an enlarged sectional view of a portion of the circle of fig. 4.

Fig. 7 is a view showing a conventional sub-frame.

FIG. 8 is a view showing the sub-frame structure of the present invention.

Fig. 9 is a schematic view of a conventional bolster assembly.

FIG. 10 is a schematic view of the bolster composition of the present invention.

Fig. 11 is a schematic view of a bogie equipped with a TMX type integrated brake.

Fig. 12 is a schematic view of a bogie equipped with a single cylinder push-to-push type integrated brake device.

Fig. 13 is a schematic view of a bogie equipped with a double cylinder push-against type integrated brake device.

In the figure, 1-wheel pair assembly, 2-side frame assembly, 3-rubber pile, 4-bolster assembly, 5-foundation brake device, 6-rolling bearing device, 7-wheel pair radial device, 8-central suspension device, 9-elastic side bearing, 10-auxiliary frame assembly, 11-connecting rod, 12-connecting round pin, 13-anti-drop bolt, 14-nut, 15-anti-drop mounting seat, 16-split pin and 17-structural arm.

Detailed Description

The present invention is further described below in conjunction with the following detailed description, which is intended to further illustrate the principles of the invention and is not intended to limit the invention in any way, but is equivalent or analogous to the present invention without departing from its scope.

With reference to the attached drawings.

FIG. 1 shows an existing general railway wagon subframe type radial bogie, which mainly comprises a wheel set assembly 1, a side frame assembly 2, a rubber pile 3, a swing bolster assembly 4, a foundation brake device 5, a rolling bearing device 6, a wheel set radial device 7, a central suspension device 8, an elastic side bearing assembly 9 and the like.

The attached figure 2 is a basic structure of the invention, and the main structure of the bogie comprises a wheel set assembly 1, a side frame assembly 2, a rubber pile 3, a swing bolster assembly 4, a foundation brake device 5, a rolling bearing device 6, a wheel set radial device 7, a central suspension device 8, an elastic side bearing assembly 9 and the like.

In the structural design, the auxiliary framework 10 in the wheel set radial device 7 is improved, so that the auxiliary framework 10, the swing bolster assembly 4 and the foundation brake device 5 have reasonable assembly gaps, and the auxiliary framework 10 has an anti-falling function and prevents the round pin 12 of the connecting rod from being lost.

The fish belly structure of the swing bolster in the swing bolster assembly 4 of the present invention is designed with assembly holes that simultaneously satisfy the installation of the connecting rod 11 and the foundation brake device 5.

Fig. 3 is a schematic structural diagram of an original wheel set radial device.

Fig. 4 is a schematic view of the wheelset radial device 7 of the present invention, and the structural pattern of the subframe 10 and the anti-dropping pattern of the connecting round pin 12 of the wheelset radial device 7 of the present invention are shown in fig. 4, 5 and 6.

The invention sets a drop-proof mounting seat 15 at the position of a connecting round pin 12 mounted on a connecting rod 11 of a secondary framework 10, and after the wheel set radial device 7 is assembled, a drop-proof bolt 13, a nut 14, a washer and a cotter pin 16 are mounted on the drop-proof mounting seat 15 of the secondary framework 10, thereby preventing the round pin 12 from losing.

The original box-shaped structure is changed into a solid concave rod between the two connecting rod mounting holes of the auxiliary framework 10, so that the assembling requirements of different basic braking devices can be met, and the self weight of the auxiliary framework can be reduced.

FIG. 7 shows an original sub-frame assembly 10, in which the structure between the connecting rod mounting holes of the U-shaped arm is a box-type casting structure and has no connecting round pin anti-falling mounting seat 15.

Fig. 8 shows a sub-frame assembly 10 of the present invention, wherein the structure of the structural arm 17 between the mounting holes of the connecting rods 11 on the U-shaped arm is a concave solid structure, as shown in fig. 8, the structural arm 17 of the concave solid structure is a solid structural member with a rectangular or other cross-sectional shape, and after mounting, in order to adapt to the mounting of the parts of the foundation brake device 5, the lower surface of the structural arm 17 adopts a concave structure, which not only adapts to the mounting of various foundation brake devices 5, but also meets the requirements of structural strength and can reduce self weight. The structure arm 17 can adapt to a braking device for the parts of the foundation braking device 5 to pass through from a mounting hole of the fish belly of the swing bolster, and the upper part of the mounting hole of the connecting rod 11 is provided with a round pin anti-falling mounting seat 15 of the connecting rod 11.

Fig. 9 shows a conventional swing bolster assembly 4, in which two square holes are formed in the fish belly of the swing bolster, and a side wheel is used for assembling a connecting rod 11 in the radial device 7, so that the structure cannot meet the requirement that parts of a basic braking device pass through the square holes of the fish belly of the swing bolster.

Fig. 10 is a schematic view of a swing bolster assembly 4 of the present invention, which mainly shows the structural types of an assembly hole and a fish belly on the fish belly of the swing bolster, and improves the shape of the assembly hole of a connecting rod 11 in a radial device 7 of an assembly wheel pair by enlarging the assembly hole on a rib plate in an inner cavity of the swing bolster, and the original square hole is changed into a trapezoidal hole, so that the structure can meet the requirement of a brake device that parts of a basic brake device pass through a square hole of the fish belly of the swing bolster, and can also meet the requirement of a brake device that parts of the basic brake device pass through two sides of the fish belly.

Fig. 11, 12 and 13 are schematic diagrams showing the matching relationship between the bogie and different types of foundation brake devices, which are mainly embodied in the structural types of integrated brake devices widely used in the conventional railway wagon bogies.

Fig. 11 is a schematic diagram of the auxiliary frame type radial bogie equipped with a TMX integrated brake device, wherein a brake adjuster and a push rod of the TMX integrated brake device penetrate through the fish belly of the swing bolster 4 and a solid rod in the middle of the auxiliary frame 10, so as to meet the assembly requirement of the TMX integrated brake device.

Fig. 12 and 13 are schematic diagrams of the auxiliary frame type radial bogie assembling push-push type integrated brake device, wherein two push-push type integrated brake devices penetrate through two sides of the fish belly of the swing bolster 4 to meet the assembling of the push-push type integrated brake device.