CN212332662U - Primary suspension device of suspension type freight air train - Google Patents
Primary suspension device of suspension type freight air train Download PDFInfo
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- CN212332662U CN212332662U CN202021421090.9U CN202021421090U CN212332662U CN 212332662 U CN212332662 U CN 212332662U CN 202021421090 U CN202021421090 U CN 202021421090U CN 212332662 U CN212332662 U CN 212332662U
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Abstract
The utility model discloses a primary suspension device of suspension type freight air train, which is arranged between a framework and an integrated transmission case, wherein the integrated transmission case is integrated by a transmission case and an axle box and is connected with a wheel pair in a transmission way; the integrated transmission case upper portion is located wheel pair both sides symmetrical arrangement has four coil steel springs, four coil steel spring with the framework is connected, integrated transmission case middle part is located wheel pair one side and is provided with two axle box pull rods along the radial symmetry of wheel pair, two the axle box pull rod with the framework is connected, place the wheel pair inboard in coil steel spring and the axle box pull rod. The suspension device aims at the suspension type freight air-railway, so that the freight air-railway can inherit the advantages of small occupied space, flexible marshalling, low energy consumption and low manufacturing cost of the passenger air-railway, and meanwhile, the freight efficiency can be improved.
Description
Technical Field
The utility model belongs to the technical field of rail vehicle, concretely relates to suspension type freight transportation air iron's primary suspension device.
Background
The vehicle bears various loads on the vehicle body and the bogie, wherein the vertical load mainly comprises the self weight and the load of the vehicle; the transverse load comprises wind power and centrifugal force; longitudinal loads include traction and braking forces and, in addition, include various loads caused by vehicle vibration and line irregularity, so that a complex vibration phenomenon occurs when the vehicle runs on a track, and in order to reduce harmful vehicle impulse, the forces are transmitted through the vehicle suspension device to be alleviated and attenuated, and thus, the performance of the suspension device is very important to ensure the running smoothness and safety of the vehicle. The suspension device of the vehicle has the functions of reducing various dynamic influences (such as vertical vibration, transverse vibration and the like) on a vehicle body caused by line irregularity and wheel pair movement, and is called a primary suspension, namely an axle box suspension; the secondary suspension device is arranged between the wheel set and the frame or between the frame and the vehicle body, and is also called a central suspension device.
With the development of economy and the progress of society, rail transit is rapidly developed, wherein suspension type air-rail has wide attention of various countries with the characteristics of small occupied space, flexible marshalling, low energy consumption, low manufacturing cost and the like, and various air-rail locomotives with wide application prospects are developed. However, the air-rail locomotive developed at present is mainly used for passenger transportation or commuting in cities, tourist hot spots, areas with high population density and areas with difficult ground railway construction. The development progress of the suspension type air-rail for freight transportation is slow, and the suspension type air-rail for freight transportation is limited by the carrying capacity, the applicable freight transportation range and the technical conditions of the air-rail for freight transportation, so that few air-rail locomotives for freight transportation are mature and used at present.
A series of suspension devices in the conventional hollow iron mostly adopt a mode of a conical rubber spring and a pull rod, and the conical rubber spring and the pull rod are positioned on a wheel alignment central line. This design is disadvantageous for inhibiting snaking of the wheel-sets. Although the primary suspension device of the common vehicle mostly adopts the mode of steel springs and pull rods on two sides of the wheel set, the primary suspension device is positioned on the outer side of the wheel set, occupies too large space and is not beneficial to the design of a bogie of a hollow iron.
SUMMERY OF THE UTILITY MODEL
The utility model provides a technical problem be: the primary suspension device of the suspension type freight air-iron is specially used for the suspension type freight air-iron, so that the freight air-iron can inherit the advantages of small occupied space, flexible marshalling, low energy consumption and low manufacturing cost of the passenger air-iron, and meanwhile, the freight efficiency can be improved.
The utility model adopts the technical scheme as follows:
a primary suspension device of a suspension type freight air rail is arranged between a framework and an integrated transmission case, wherein the integrated transmission case is formed by integrating a transmission case and an axle box and is in transmission connection with a wheel pair; the integrated transmission case upper portion is located wheel pair both sides symmetrical arrangement has four coil steel springs, four coil steel spring with the framework is connected, integrated transmission case middle part is located wheel pair one side and is provided with two axle box pull rods along the radial symmetry of wheel pair, two the axle box pull rod with the framework is connected, place the wheel pair inboard in coil steel spring and the axle box pull rod.
Preferably, the integrated transmission case comprises an upper transmission case body and a lower transmission case body, and the upper transmission case body is connected with the lower transmission case body through a bolt.
Preferably, the four spiral steel springs are arranged at the upper part of the upper transmission box body, and the axle box pull rod is arranged at the joint of the upper transmission box body and the lower transmission box body.
Preferably, a first spring seat is arranged at the upper part of the upper box body of the transmission box, and the first spring seat is connected with the lower end of the spiral steel spring; and a second spring seat is arranged on the framework and is connected with the upper end of the spiral steel spring.
Preferably, the axle box pull rod consists of a rod body and rubber joints arranged at two ends of the rod body.
Preferably, the rubber joint includes the dabber, the cooperation is connected with the rubber circle on the dabber, rubber circle both ends set gradually with rubber slab and the metal sheet that the dabber cooperation is connected, rubber circle side is connected with the connecting rod, the dabber both ends are provided with connecting device.
Preferably, the connecting device is a bolt mounting hole.
Preferably, the two ends of the rod body are provided with through holes, and the rubber joints extrude rubber into the through holes in an extrusion mode and are connected with the rod body.
The utility model discloses a freight transportation air-iron primary suspension device adopts the mode of coil spring and unipolar case pull rod, and is different with passenger traffic air-iron commonly used in the past, and the weight difference of freight transportation air-iron when unloaded and heavily loaded is very big, therefore the rubber spring can't satisfy required amount of deflection, so the utility model discloses a coil spring that the amount of deflection is big. Compared with the ordinary vehicle in addition, because the consideration of air iron on spatial arrangement the utility model provides a spiral steel spring and axle box pull rod are located the wheel inboard, and this kind of axle box spring and axle box pull rod are located the inboard structure of wheel and are called inboard suspension type bogie, have the advantage of saving space, reducing a series of spring load weight to axle box spring and axle box pull rod of both sides are arranged the integration at same transmission case.
Drawings
FIG. 1 is a schematic view of a suspension arrangement;
FIG. 2 is a left side view of FIG. 1;
FIG. 3 is a top view of FIG. 1;
FIG. 4 is a cross-sectional view A-A of FIG. 1;
FIG. 5 is a schematic view of an axlebox drawbar configuration;
fig. 6 is a schematic view of a rubber joint structure.
Wherein, the names corresponding to the reference numbers are:
1-framework, 2-integrated transmission case, 21-transmission case upper case, 22-transmission case lower case, 3-wheel pair, 4-spiral steel spring, 5-axle box pull rod, 51-rod body, 52-rubber joint, 521-mandrel, 522-rubber ring, 523-rubber plate, 524-metal plate, 525-connecting device, 6-axle box bearing and 7-shafting part.
Detailed Description
The present invention will be further described with reference to the following description and examples, which include but are not limited to the following examples.
Example 1
A primary suspension device of a suspension type freight air-rail is arranged between a framework 1 and an integrated transmission case 2 as shown in figures 1-3, wherein the integrated transmission case 2 is formed by integrating a transmission case and an axle box and is in transmission connection with a wheel pair 3; 2 upper portions of integrated transmission case are located 3 both sides symmetrical arrangement of wheel pair and have four coil steel spring 4, four coil steel spring 4 with framework 1 is connected, 2 middle parts of integrated transmission case are located 3 one sides of wheel pair and are provided with along 3 radial symmetrical two axle box pull rods 5 of wheel pair, two axle box pull rod 5 with framework 1 is connected, place 3 inboards of wheel pair in coil steel spring 4 and the axle box pull rod 5 in.
The utility model provides a suspension type freight transportation air-iron primary suspension device, this suspension device sets up between framework 1 and integrated transmission case 2, integrated transmission case 2 is as shown in figure 4 for transmission case and axle box integration, integrates two axle box bearings 6 to the both sides of transmission main part shafting part 7 of transmission case, integrates axle box bearing 6 and shafting part 7 in the box, forms integrated transmission case 2, wheel pair 3 is connected with shafting part 7 transmission, and bearing 6 is connected with wheel pair 3, four coil steel springs 4 have been arranged to integrated transmission case 2 upper portion both sides symmetry that lie in wheel pair 3, four coil steel springs 4 set up in integrated transmission case 2's axle box bearing 6 top, and four simultaneously coil steel springs 4 are connected with framework 1, realize vertical load; this a linkage device still includes that integrated transmission case 2 middle part is located wheel pair 3 one side and sets up and along two axle box pull rods 5 of 3 radial symmetries of wheel pair, two axle box pull rod 5 with framework 1 is connected, realizes the transmission of traction force and transverse force, place wheel pair 3 inboards in spiral steel spring 4 and the axle box pull rod 4. The primary suspension is used for freight air-iron, and different from the conventional passenger air-iron, the freight air-iron has large weight difference during no-load and heavy-load, so that the rubber spring cannot meet the required deflection, and a spiral steel spring with large deflection is adopted. Simultaneously, the primary suspension of the passenger transport air rail adopts two groups of spiral steel springs 4 and two shaft box pull rods 5, and compared with the structure that the tapered rubber springs and the pull rods are positioned on the central line of the wheel pair, the primary suspension of the passenger transport air rail is beneficial to inhibiting snaking movement due to the fact that the distance from the longitudinal center of the locomotive is increased. In addition, the transmission case and the axle box are the integrated transmission case 2, the spiral steel spring 4 and the axle box pull rod 5 of the primary suspension device are arranged on the integrated transmission case 2 and are arranged on the inner side of the wheel pair 3, so that the wheel pair has the advantages of small occupied space, flexible marshalling, low energy consumption and low manufacturing cost, and the freight efficiency can be improved.
Example 2
Based on the above embodiment 1, as shown in fig. 1, the integrated transmission case 2 includes a transmission case upper case 21 and a transmission case lower case 22, and the transmission case upper case 21 and the transmission case lower case 22 are connected by bolts. In this embodiment, the casing of the integrated transmission casing 2 is divided into the upper transmission casing 21 and the lower transmission casing 22 by taking the horizontal plane where the axis is located as a line, the upper transmission casing 21 and the lower transmission casing 22 are connected into a whole through bolts, so as to be used for supporting and fixing the shafting part 7 and the axle box bearing 6 in the integrated transmission casing 2, and the integrated transmission casing 2 is divided into the upper transmission casing 21 and the lower transmission casing 22, so that the installation and the disassembly of the shafting part 7 and the axle box bearing 6 are facilitated, and the integrated transmission casing 2 is also convenient to process.
Example 3
Based on the above embodiment 2, four coil steel springs 4 are disposed at the upper portion of the transmission case upper case 21, and the axle box link 5 is disposed at the joint of the transmission case upper case 21 and the transmission case lower case 22. In this embodiment, the distribution of the primary suspension device on the integrated transmission case 2 is specifically described, the integrated transmission case is divided into an upper transmission case 21 and a lower transmission case 22, four coil steel springs 4 are disposed on the upper portion of the upper transmission case 21 and above the journal bearings 6, and the journal rods 5 are disposed at the connection between the upper transmission case 21 and the lower transmission case 22.
Example 4
Based on the embodiment 3, the upper part of the upper box body 21 of the transmission case is provided with a first spring seat, and the lower end of the first spring seat is connected with the spiral steel spring 4; and a second spring seat is arranged on the framework 1 and is connected with the upper end of the spiral steel spring 4. In this embodiment, the spiral steel spring 4 is connected to the upper box body 21 of the transmission case through a first spring seat and is connected to the frame 4 through a second spring seat, and the first spring seat and the second spring seat are both flat plates for supporting the spiral steel spring 4.
Example 5
Based on the above embodiments 1 to 4, as shown in fig. 5 to 6, the pedestal jaw 5 is composed of a rod body 51 and rubber joints 52 provided at both ends of the rod body 51. The present embodiment specifically illustrates the structure of the pedestal stays 5, and the pedestal stays 5 are composed of a rod body 51 and rubber joints 52 provided at both ends of the rod body 51, and function to transmit traction force, braking force, lateral force, etc. from the wheel set 3 to the frame 1, while achieving slight relative displacements of the integrated transmission case 2 with respect to the frame 1 in the up, down, and lateral directions by elastic deformation of the rubber joints 52.
Example 6
Based on the above embodiment 5, as shown in fig. 6, the rubber joint 52 includes a core shaft 521, a rubber ring 522 is connected to the core shaft 521 in a matching manner, two ends of the rubber ring 522 are sequentially provided with a rubber plate 523 and a metal plate 524 which are connected to the core shaft 521 in a matching manner, a side surface of the rubber ring 522 is connected to the connecting rod 51, and two ends of the core shaft 521 are provided with connecting devices 525. The embodiment specifically illustrates the structure of the rubber joint 52, and the elastic deformation of the axle box link 52 is realized by the rubber ring 522 and the rubber plate 523 which are cooperatively connected with the mandrel 521, so as to realize the relative displacement of the integrated transmission case 2 in the up-down direction and the transverse direction relative to the frame 1, and meanwhile, the mandrel 521 plays a role in transmitting the traction force and the transverse force, and the connecting devices arranged at the two ends of the mandrel 521 are used for connecting the integrated transmission case 2 and the frame 1.
Example 7
Based on the above embodiment 6, as shown in fig. 6, the connecting means 525 is a bolt mounting hole. In this embodiment, the connecting devices 525 disposed at two ends of the mandrel 521 of the rubber joint 52 are specifically described as bolt mounting holes, which illustrates that the axle box link 52 is connected with the integrated transmission case 521 and the frame 1 by a bolt connection manner.
Example 8
Based on above-mentioned embodiment 5, body of rod 51 both ends are provided with the through-hole, rubber joint 52 is connected with body of rod 51 in extrudeing the through-hole with rubber through the extrusion mode. The embodiment specifically describes a connection manner of the rod body 51 and the rubber joint 52, that is, rubber in the rubber joint 52 is extruded into through holes at two ends of the rod body 51 by an extrusion manner, so as to realize connection therebetween.
The above description is only for the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention are all covered by the protection scope of the present invention. The invention extends to any novel feature or any novel combination of features disclosed in this specification, and to any novel method or process steps or any novel combination of features disclosed.
Claims (8)
1. A primary suspension device of a suspension type freight air rail is characterized by being arranged between a framework and an integrated transmission case, wherein the integrated transmission case is formed by integrating a transmission case and an axle case and is in transmission connection with a wheel pair; the integrated transmission case upper portion is located wheel pair both sides symmetrical arrangement has four coil steel springs, four coil steel spring with the framework is connected, integrated transmission case middle part is located wheel pair one side and is provided with two axle box pull rods along the radial symmetry of wheel pair, two the axle box pull rod with the framework is connected, place the wheel pair inboard in coil steel spring and the axle box pull rod.
2. The primary suspension device for suspended air freight train as claimed in claim 1, wherein the integrated transmission case comprises a transmission case upper case and a transmission case lower case, and the transmission case upper case and the transmission case lower case are connected through bolts.
3. The primary suspension device for suspended air-freight train as claimed in claim 2, wherein four coil steel springs are disposed at the upper portion of the upper casing of the transmission case, and the axlebox draw bar is disposed at the junction of the upper casing and the lower casing of the transmission case.
4. The primary suspension device for suspended air-freight train as claimed in claim 3, wherein the upper box body of the transmission box is provided with a first spring seat at the upper part, and the first spring seat is connected with the spiral steel spring at the lower end; and a second spring seat is arranged on the framework and is connected with the upper end of the spiral steel spring.
5. The primary suspension device for suspended air freight train as claimed in any one of claims 1-4, wherein the axle box drawbar is composed of a rod body and rubber joints disposed at both ends of the rod body.
6. The primary suspension device of a suspended type freight air iron as claimed in claim 5, wherein the rubber joint comprises a mandrel, a rubber ring is fittingly connected to the mandrel, a rubber plate and a metal plate are sequentially arranged at two ends of the rubber ring, the rubber plate and the metal plate are fittingly connected to the mandrel, the side surface of the rubber ring is connected to the connecting rod, and connecting devices are arranged at two ends of the mandrel.
7. The primary suspension device for a suspended cargo air iron according to claim 6, wherein the connecting means is a bolt mounting hole.
8. The primary suspension device for suspended air freight train as claimed in claim 5, wherein the rod body is provided with through holes at both ends, and the rubber joint extrudes rubber into the through holes by extrusion to connect with the rod body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021421090.9U CN212332662U (en) | 2020-07-17 | 2020-07-17 | Primary suspension device of suspension type freight air train |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021421090.9U CN212332662U (en) | 2020-07-17 | 2020-07-17 | Primary suspension device of suspension type freight air train |
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| CN212332662U true CN212332662U (en) | 2021-01-12 |
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| CN202021421090.9U Active CN212332662U (en) | 2020-07-17 | 2020-07-17 | Primary suspension device of suspension type freight air train |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111661095A (en) * | 2020-07-17 | 2020-09-15 | 中车资阳机车有限公司 | Primary suspension device of suspension type freight air train |
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- 2020-07-17 CN CN202021421090.9U patent/CN212332662U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111661095A (en) * | 2020-07-17 | 2020-09-15 | 中车资阳机车有限公司 | Primary suspension device of suspension type freight air train |
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