KR100583270B1 - The structure for improvement to under-frame of installation equipment of a railway vehicle - Google Patents

Abstract

The present invention relates to a structure for improving the upper and lower facilities of a railway vehicle.

The improvement structure of the upper and lower facilities of the railway vehicle according to the present invention, in the railway vehicle bogie; An end frame is formed at one end of the side frame, and a connecting plate is installed between the bogie and the bogie on which the end frame is formed, and various equipment such as a braking part, a water supply tank, and a heating and cooling part are installed and fixed at the bottom of the connecting plate. However, the braking component, the water supply tank and the heating and cooling components installed at the bottom of the connecting plate are configured to be supported by the end frame of the bogie while reducing the mass of the vehicle body.

Therefore, according to the present invention, the suspension is applied to the bogie by reducing the mass of the body according to the installation of the top and bottom facilities of the railway vehicle, that is, braking parts, water supply tank, heating and cooling parts, etc. at the bottom of the connecting plate between the bogie and bogie In addition to the simple design of the device, along with the weight of the lighter body, the weight of various equipment installed at the bottom of the connecting plate acts downward to reduce the vibration transmitted from the wheel to the vehicle body, thereby reducing the As well as the improvement, it is possible to achieve the stabilization and running stability of the vehicle body, it is possible to reduce the track burden due to the reduction of vibration transmitted from the wheel to the vehicle body.

Rolling stock, truck, track burden, vibration, driving safety, ride comfort, up and down facilities, connecting plate,

Description

The structure for improvement to under-frame of installation equipment of a railway vehicle}

1 is a front view of a conventional railway vehicle.

2 is a front view of a railway vehicle to which the present invention is applied.

3 is a bogie plan view of a railway vehicle to which the present invention is applied.

Figure 4 is an embodiment showing another configuration of the connecting plate hinged to the end frame of the trolley to which the present invention is applied.

FIG. 5 is a cross-sectional view of the coupling between the guide member and the connecting plate shown in FIG.

Figure 6 is an operating state diagram to attenuate the vibration transmitted from the wheel through the secondary suspension function in the railway vehicle to which the present invention is applied.

Figure 7 is an operational state diagram showing the action of the bogie and the connecting plate when the curve of the railway vehicle to which the present invention is applied.

* Description of symbols on the main parts of the drawings *

10, 100. bogie 11, 111. wheel

12, 112. 1st suspension device 13, 113. side frame

14, 114. Secondary suspension 115. End frame

116. Pin insertion hole 120. Guide member

121. Guide groove 122. Roller member

123. Hinge pin 125. Connecting plate

126. Combined projections C. Railway vehicles

The present invention relates to a structure for improving the upper and lower facilities of a railway vehicle, and more particularly, to install a connecting plate between a railway vehicle bogie and a bogie, and to the lower end of the connecting plate, that is, braking. By installing various components such as parts, water supply tanks, and heating and cooling parts, the mass of the vehicle body is reduced to allow simple design of the suspension system applied to the vehicle, and the weight of the connection body together with the weight of the lighter vehicle body. By lowering the weight of the various equipment installed on the lower side, the vibration transmitted from the wheel to the vehicle body is reduced, thereby improving the ride comfort, as well as stabilization and running stability of the vehicle, and is transmitted from the wheel to the vehicle body The present invention relates to a structure for improving the upper and lower facilities of a railway vehicle so as to reduce a track burden caused by vibration reduction.

In general, various equipments such as braking parts, water supply tanks, and heating and cooling parts installed in a railway vehicle (C) are installed on the upper and lower sides of a vehicle body, that is, the bottom surface of a vehicle. It is called.

As described above, in the case of various equipments installed above and below the vehicle, as shown in FIG. 1, between the bogie 10 and the bogie 10 as an optimal method for maximizing the space efficiency of the vehicle. The lower body space is used as the main installation space, and various equipment installed in the lower portion of the vehicle body may be covered by a skirt portion (not shown) of the vehicle body so as not to be exposed to the outside.

However, due to the characteristics of the railway vehicle (C), the mass of the vehicle body is concentrated on the secondary suspension device (14), and in particular, as various convenience facilities increase, the difficulty in designing the vibration preventing design of the suspension device due to the increase in the mass of the vehicle body and At the same time, there is a problem that it becomes more difficult to control the ride comfort of the railway vehicle (C), such that the design of the suspension devices (12, 14) is more complicated.

In addition, when installing various equipments such as a braking component, a water supply tank, and heating and cooling components on the upper and lower surfaces of the vehicle body as described above, the mass of the vehicle body is increased, and thus, from the wheel 11 when the railroad vehicle C is driven accordingly. Suspension devices 12 and 14 do not effectively attenuate the transmitted vibrations, resulting in a deterioration of the passenger's ride comfort. In addition, the weight of the vehicle body weighted through the installation of various facilities as described above is secondary suspension device 14. As a result, the flow of the vehicle is increased due to the vibration during the driving of the vehicle, and there is a problem in that the stabilization and running stability of the vehicle are compromised.

Furthermore, as described above, when the railroad vehicle C, in which the mass of the vehicle body is increased, the vibration caused by the increase in the flow of the vehicle body acts as a burden of the track, causing damage to the track, and thus adversely affecting the track. There was also a problem.

The present invention devised in order to solve the above-described problems, the connection plate is installed between the trolley bogie and the trolley, the upper and lower facilities of the railway vehicle, that is, braking parts, water supply tank, heating and heating parts, etc. By installing and configuring the various facilities of the vehicle, the mass of the vehicle body is remarkably reduced compared to the conventional installation of various equipment on the upper and lower surfaces of the vehicle body, and the design of the suspension device is facilitated according to the reduction of the vehicle body mass. There is this.

In addition, the weight of the various equipment installed on the lower end of the connecting plate with the weight of the lighter body is moved downward, thereby lowering the center of gravity of the vehicle to reduce the vibration transmitted from the wheel to the vehicle body, resulting in a ride comfort In addition to the improvement, there is another purpose to achieve the stabilization of the vehicle body and the improvement of running stability.

In addition, by reducing the vibration transmitted from the wheel to the vehicle body, there is another object to reduce the track burden, that is, adverse effects on the track.

The up and down facility improvement structure of the railway vehicle which concerns on this invention is a railway vehicle bogie;

A connection plate is installed between the bogie and the bogie on which the end frame is formed at one end of the bogie, and various equipments such as a braking part, a water supply tank, and an air-conditioning part are installed and fixed to the bottom of the bogie.

At this time, the braking parts, the water supply tank and the heating and cooling parts installed on the lower end of the connecting plate is characterized in that the mass of the vehicle body is supported by the end frame of the bogie.

And, the end frame and the connecting plate is characterized in that the fastening by the hinge pin to be able to rotate between the bogie and the bogie during the curve running.

In addition, between the end frame and the connecting plate is characterized in that the guide member is further provided with a hinge pin is fixed so that the rotation between the bogie and the bogie smoothly during the curve running.

And, one end of the guide member is characterized in that the guide groove for guiding during the rotation of the connecting plate is formed.

In addition, one end of the connecting plate is characterized in that the engaging projection is formed so as to correspond to the guide groove formed on one end of the guide member.

In addition, the guide groove is characterized in that the roller member is installed in the rolling contact with the engaging projection of the connecting plate so that the smooth rotational action of the connecting plate when the curved running.

Hereinafter, the structure of the up and down facility improvement of the railway vehicle according to the present invention will be described in detail.

Figure 2 shows a front view of a railway vehicle to which the present invention is applied, Figure 3 shows a plan view of the railway vehicle bogie unit to which the present invention is applied.

In the up and down facility improvement structure of the railway vehicle C according to the present invention, as shown in FIGS. 2 and 3, the end frame 115 is formed at one end of the side frame 113, The connecting plate 125 is installed between the bogie 100 and the bogie 100 on which the end frame 115 is formed. At this time, the bottom of the connecting plate 125 is connected to and fixed to the upper end of the bogie 100. Various equipments such as a braking part, a water supply tank, and an air-conditioning part are installed and fixed to achieve a mass reduction of the brake. The braking part, the water supply tank, and the air-conditioning parts installed at the bottom of the connection plate 125 are connected to the connection plate 125. It is supported by the end frame 115 of the side frame 113 through.

In addition, in the case of a braking component, a water supply tank, and an air-conditioning component, etc. installed at the lower end of the connecting plate 125, the vehicle body is lighter than the side frame 113 of the trolley 100, and the overall body weight is reduced. Since the weight of the acting on the primary suspension unit 112 is reduced, the mass of the vehicle body acts on the secondary suspension unit 114, so that vibration attenuation can be efficiently performed. Will be able to.

Further, the side frame (from the wheel 111) between the lower end of both side end portions of the side frame 113 and the journal portion as a means for attenuating the vibration transmitted from the wheel 111 to the vehicle body when the railroad vehicle C runs. The primary suspension device 112 is installed to attenuate the vibration transmitted to the side 113, and the secondary suspension device is mounted on the upper side of the side frame 113 to attenuate the vibration transmitted from the side frame 113 to the vehicle body. 114) is installed.

Then, the connecting plate by the hinge action between the bogie 100 and the bogie 100 according to the curved running of the railway vehicle C, that is, between the front bogie 100 and the rear bogie 100 ( The end frame 115 and the connecting plate 125 formed at one side end of the side frame 113 are fastened by the hinge pins 123 so that the rotation of the 125 is possible. In this case, the hinge pins 123 In the case of the connecting plate 125 is formed integrally at both lower ends, the connecting plate 125 is formed through the end frame 115 so as to be freely rotated from the bogie 100 during the curved run of the railway vehicle (C) It is coupled in the pin insertion hole 116.

Figure 4 is an embodiment showing another configuration of the connecting plate hinged to the end frame of the trolley to which the present invention is applied, Figure 5 is a cross-sectional view and a detailed view of the coupling between the guide member and the connecting plate shown in FIG. As shown in FIG. 4, the connection plate 125 is connected between the bogie 100 and the bogie 100 when the railroad vehicle C curves between the end frame 115 and the coupling plate 125. Guide member 120 is further installed so that the rotation is more smooth, look at the coupling structure for this as follows.

Guide members 120 to which the hinge pins 123 are correspondingly coupled are respectively installed in the pin insertion holes 116 formed through the end frames 115 of the trolleys 100, and between the guide members 120. Both side surfaces of the connecting plate 125 are coupled to each other. At this time, one end of each guide member 120 and a guide for coupling the guide member 120 and the connecting plate 125 to both side surfaces of the connecting plate 125. The groove 121 and the coupling protrusion 126 are formed, and in particular, in the case of the guide groove 121 formed at one end of each of the guide members 120, the guide member 120 when the railroad vehicle C curves. The guide groove 121 serves to guide the smooth rotation of the connecting plate 125 can be made.

In addition, the coupling protrusion 126 of the connecting plate 125 such that both sides of the connecting plate 125 may be smoothly rotated in the guide groove 121 of the guide member 120 when the rail vehicle C is curved. ) And the roller member 122 in contact with the cloud is installed in the guide groove 121.

Therefore, the guide member 120 and the connecting plate 125 connected to the trolley 100 through the hinge pin 123 when the curved line of the railway vehicle C runs on the hinge pin 123 to the guide member 120. And the connecting plate 125 rotates from the trolley 100 and at the same time between the coupling member 126 of the roller member 122 and the connecting plate 125 in the guide groove 121 of the guide member 120. The connecting plate 125 is also rotated from the guide member 120 through the rolling motion corresponding to each other, and when the curve is traveling, the guide member 120 and the connecting plate 125 are interlocked from the bogie 100 to rotate. You lose.

Hereinafter, the operation of the railway vehicle bogie according to the present invention will be described in detail.

Figure 6 shows the operating state to attenuate the vibration transmitted from the wheel through the secondary suspension function in the railroad vehicle to which the present invention is applied, Figure 7 shows the action of the bogie and the connecting plate during the curve driving of the railroad vehicle to which the present invention is applied This is a working state diagram.

First, a brief description will be given of a process of attenuating the vibration transmitted from the wheel 111 to the vehicle body when the railroad vehicle C is applied to the present invention.

When vibration occurs as the railroad vehicle C applied to the present invention is applied, as shown in FIG. 6A, firstly, a first suspension device is installed between the lower end of the side frame 113 and the journal portion. The vibration transmitted from the wheel 111 is primarily attenuated by the elastic force of the 112.

In addition, the vibration attenuated primarily through the primary suspension device 112 is transmitted to the vehicle body through the secondary suspension device 114 fixed to both side frames 113 and upper ends of the side frame 113. In this case, in the case of vibration transmitted to the vehicle body through the side frame 113 and the secondary suspension device 114, it is installed between the side frame 113 and the vehicle body as shown in (b) of FIG. The secondary suspension device 114, such as secondary attenuation, such as to finally attenuate the vibration transmitted from the wheel 111 through the side frame 113 to the vehicle body to provide a comfortable ride to the passengers.

Next, the rotation process of the connecting plate 125 fixed between the bogie 100 and the bogie 100 when driving the curve of the railway vehicle C to which the present invention is applied will be described in detail as follows.

When driving the curve of the railway vehicle (C) to which the present invention is applied, between the bogie 100 and the bogie 100 via the hinge pin 123, that is, between the front bogie 100 and the rear bogie 100. The connecting plate 125 is fixed to the hinge pin 123 as a point to be rotated from the bogie 100 in the turning direction of the railway vehicle (C), in this case the hinge pin 123 is connected Since the bottom of the plate 125 is coupled in the pin insertion hole 116 of the end frame 115 formed at one end of the side frame 113, the hinge pin when the rail vehicle (C) curves as described above. In the case of the bogie 100 coupled by 123, as shown in FIG. 7, the hinge pins 123 are rotated in the same direction as the curve driving direction of the railway vehicle C. At the same time, in the case of the connecting plate 125 connected to the end frame 115 of the bogie 100 by the hinge pin 123 Rotation in the direction opposite to the turning direction of the trolley 100 according to the row is rotated to the original position in the section in which the curved path of the running track becomes smaller, such as smooth rotational action according to the running curve of the railway vehicle (C) Will be done.

As described above, in the case of the improvement structure of the upper and lower facilities of the railway vehicle C according to the present invention, a connecting plate 125 is provided between the railway vehicle bogie 100 and the bogie 100, and the connecting plate 125 The simple design of the suspension system applied to the trolley 100 is made by reducing the mass of the body according to the installation of the upper and lower facilities of the railway vehicle C, that is, the braking parts, the water supply tank, and the heating and cooling parts. In addition, the weight of the various equipment installed on the lower end of the connecting plate 125 together with the weight of the lightened vehicle body acts downward, thereby reducing the vibration transmitted from the wheel 111 to the vehicle body, thereby improving riding comfort. Of course, it is possible to achieve the stabilization and running stability of the vehicle body, it is an excellent invention, such as to reduce the track burden due to the reduction of vibration transmitted from the wheel 111 to the vehicle body.

As described above, the above-described embodiments are described with reference to the most preferred examples of the present invention, but are not limited to the above embodiments, and it will be apparent to those skilled in the art that various modifications can be made without departing from the technical spirit of the present invention. .

The up and down facility improvement structure of the railway vehicle according to the present invention, the connecting plate is provided between the railway vehicle bogie and the bogie, the upper and lower facilities of the railway vehicle, that is, braking parts, water supply tank, heating and heating parts, etc. By installing and installing various equipments, the mass of the vehicle body can be significantly reduced, and the design of the suspension device can be facilitated according to the reduction of the body weight, compared to the conventional equipment in which various equipments were installed on the upper and lower surfaces of the vehicle body. Excellent effect

In addition, the weight of the various installations installed on the lower end of the connecting plate together with the weight of the light weight of the vehicle body acts downward, thereby reducing the vibration transmitted from the wheel to the vehicle body, thereby improving the riding comfort, as well as stabilization and running of the vehicle body. It also has the effect of achieving stability.                     

Further, by reducing the vibration transmitted from the wheel to the vehicle body, there is also an effect that can reduce the track burden, that is, adverse effects on the track.

Claims (7)

In the trolley for rolling stock; A connecting plate is installed between the bogie and the bogie on which the end frame is formed at one end of the bogie, and various equipment such as a braking part, a water supply tank, and an air-conditioning part are installed and fixed to the lower end of the bogie. Facility improvement structure. The structure of claim 1, wherein the brake parts, the water supply tanks, and the air-conditioning parts installed at the lower end of the connecting plate are supported by the end frame of the vehicle while reducing the mass of the vehicle body. The structure of claim 1, wherein the end frame and the connecting plate are fastened by hinge pins so that the end frame and the connecting plate are pivotable between the bogie and the bogie. According to claim 1, wherein the upper and lower facilities improved structure of the railway vehicle characterized in that the guide member is fixed to the hinge pin is further provided between the end frame and the connecting plate to smoothly rotate between the bogie and the bogie during the curve driving. The structure of claim 4, wherein a guide groove is formed at one end of the guide member to guide the connecting plate when the connecting plate is rotated. The structure of claim 5, wherein a coupling protrusion is formed at one end of the connecting plate to correspond to a guide groove formed at one end of the guide member. The structure of claim 6, wherein a roller member is formed in contact with the engaging protrusion of the connecting plate so as to smoothly rotate the connecting plate during the curved driving.

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