KR200154511Y1 - Wheel shaft press for vehicles - Google Patents

Abstract

The present invention relates to a rolling press for railroad cars, in particular, it is installed at the main plant of a vehicle base to form a plurality of wheel fixing jigs of a wheelset press for replacing a new wheel on the wheelset of a railroad car. Wheels that are rotatably installed by a retaining rod and a rotation shaft installed in the wheels, and the inner diameters of the fixing holes of the wheel fixing jig are sequentially reduced, so that the wheels having different sizes in the fixing holes of the wheel fixing jig according to the type of the railway vehicle, respectively. A rolling press for a railroad vehicle that conveniently attaches and removes related accessories to facilitate the press-in or pull-out operation of the wheel, including: a base frame 10 and a cylinder portion 20 perpendicular to one end of an upper surface of the base frame 10; A support frame 30 provided in a direction opposite to the cylinder portion 20; A reaction frame (40) installed between the cylinder portion (20) and the support frame (30) to react to the pressure of the cylinder portion and to which various working jigs are installed; A guide frame 50 horizontally connected to upper and lower portions of the cylinder part 20, the support frame 30, and the recoil frame 40; In a rolling vehicle wheel compression press composed of a control device 60 for adjusting them, a plurality of work jigs 100 are rotatably installed on the recoil frame 40 to the point of rotation of the rotation shaft 200, and the work The jig 100 is configured to connect and install the retaining rod 210 on the pivot shaft 200 and the upper surface of the working jig 100 to prevent sag caused by its own weight.

Description

Rolling Mill Presses for Railway Cars

The present invention relates to a rolling press for rolling stock, and in particular, for a railway vehicle for pressing or drawing a wheel by using horizontal hydraulic force to replace new wheels and accessories on the axle of a railway vehicle at a wheel axle workshop of a main station of a vehicle base. It is about a crimping press.

In general, the wheelset assembly separated from the railroad car is replaced with new wheels on the axle by the wheelset press 1 as shown in FIG.

That is, the crimping press 1 includes a base frame 10 and a cylinder portion 20 perpendicular to one end of an upper surface of the base frame 10; A support frame 30 provided in a direction opposite to the cylinder portion 20; A reaction frame (40) installed between the cylinder portion (20) and the support frame (30); A guide frame 50 horizontally connected to upper and lower portions of the cylinder part 20, the support frame 30, and the recoil frame 40; It is composed of a crane (60) installed above the cylinder portion (20) and freely rotatable 360 ° and a control device (70) for adjusting them.

Meanwhile, a work jig 100 for replacing a new wheel on the axle of a railway vehicle is fastened by a plurality of bolts and nuts to the reaction frame 40 installed between the cylinder portion 20 and the support frame 30. .

The railroad car disassembles the work jig 100 fastened by the bolt and nut as shown in FIG. After selecting the correct working jig and seating on the recoil frame 40, it had to be tightened again with a bolt and nut.

However, in order to replace the wheels and gears or the gear case, each of which has a different size as described above, by selecting a fixing jig suitable for the size of the wheels and assembling and replacing them, the work is cumbersome, which increases work time and The problem of lowering the production capacity is caused.

In addition, since the fixing jig 100 is a heavy material, it is necessary to lift and replace the crane by using a heavy lifting. At this time, it is difficult to adjust a plurality of holes formed in the fixing stand and the plurality of bolt holes formed in the fixing jig due to the flow. There was this.

In addition, as shown in FIG. 2, there is a problem in that it is cumbersome and the work time increases because various jigs must be alternately installed and removed in order to lift or unassemble the wheel assembly and the related accessories.

The present invention is to solve the above-mentioned shortcomings, and it is installed in the main factory of the vehicle base and forms a plurality of working presses of the wheel presses for replacing new wheels and accessories in the wheelset of the railway vehicle. It is installed to be rotatable by a retaining rod and a rotating shaft installed in the upper portion, and by sequentially decreasing the inner diameter of the fixing hole of the work jig, wheels of different sizes depending on the type of railway vehicle to the fixed hole of the work jig. It is to conveniently install and fix the wheel by pressing or drawing the appropriately.

1 is a view showing a conventional crimping press for a railway vehicle,

2 is a simplified view showing a general wheelset assembly,

Figure 3a and Figure 3b is a state diagram of the wheeled press for the present invention railway vehicle,

Figure 4 is a simplified view showing the operating state of the work jig of the present invention,

Figure 5 is a left side view showing only a part of the recoil frame of the present invention,

6 is a right side view of the present invention recoil frame.

Explanation of symbols on the main parts of the drawing

1: wheel compression press 10: base frame

20: cylinder portion 30: support frame

40: recoil frame 50: guide frame

90: hanger device 100: work jig

110: first jig 120: second jig

130: third jig 140: auxiliary jig

An embodiment of the present invention will be described in detail with reference to the accompanying drawings.

First, the same name and shape as in the prior art will be given the same name and description thereof will be omitted.

3A and 3B are diagrams illustrating a state of use of a crimping press for a railroad vehicle, and FIG. 4 is a plan view of FIG. 3, which briefly illustrates an operating state of a work jig, and FIG. 6 is a right side view of the present invention recoil frame.

The present invention, as shown in Figure 1, the base frame 10, and the cylinder portion 20 perpendicular to the one end of the upper surface of the base frame 10; A support frame 30 provided in a direction opposite to the cylinder portion 20; A reaction frame (40) installed between the cylinder portion (20) and the support frame (30); A guide frame 50 horizontally connected to upper and lower portions of the cylinder part 20, the support frame 30, and the recoil frame 40; Consisting of the control device 60 for adjusting them, the compaction press 1 is the same as the conventional one, except that a plurality of working jigs 100 are mounted on the recoil frame 40 as shown in FIGS. 3A to 6. Rotating shaft 200 is installed rotatably to a point, and the retaining rod on the upper surface of the rotating shaft 200 and the working jig 100 in order to prevent the working jig 100 from sagging due to its own weight The technical configuration features are given to the connection box 210.

On the other hand, a plurality of fixing holes 51 are formed at equal intervals in the guide frame 50 installed horizontally connected to the upper and lower portions, and fixing pins for preventing the reaction frame 40 from flowing in the fixing holes 51. 70 is inserted.

In addition, the first jig 110 having the largest inner diameter, as shown in FIG. 5, of the plurality of work jigs 100 installed in the recoil frame 40 is integrally formed in the recoil frame 40. The second jig 120 having an inner diameter slightly smaller than the first jig 110 and the third jig 130 having a smaller inner diameter than the second jig 120 are rotatably installed on the pivot shaft 200 as a supporting point. The first to third jigs are installed on the coaxial line.

The second jig 120 and the third jig 130, as shown in Fig. 5 or 6 is a fixed ring 121, 131 extending at equal intervals at the rear end is engaged with each other to the rotating shaft 200. It is axially supported by it to form a hinge.

On the other hand, a fixing groove 132 is formed on one side of the third jig 130, and the fixing groove 132 is provided with an auxiliary jig 140 having a C shape on its side.

80 is a motor for imparting a driving force to move the reaction frame 40 to the left and right along the length of the guide frame 50, 90 is installed on the upper guide frame 50 and the rotation roller 91 And a transport unit (hereinafter, referred to as a hanger device) for moving the wheel assembly or wheel and the axle to the recoil frame 40 by moving from side to side.

Next, in order to replace wheels (hereinafter referred to as wheels) or brake discs 3 and the like by using the wheelset for railway vehicles configured as described above, as shown in FIG. ) Is on, and the whole system of rolling press for rolling stock starts to operate and control.

Next, as shown in FIG. 3A, the wheel assembly (ie, the gear box 2, the brake disc 3, the wheel 4, etc.) as shown in FIG. After the wheel 4 is in close contact with the second jig 120 installed on the reaction frame 40 by using the wheel support device 300, the piston 21 of the cylinder part 20 is operated in the direction of the arrow so that the axle ( 5) As the wheel is pushed, the wheel 4 is detached from the axle and the gears and brake discs are removed in the same way.

At this time, between the piston 21 and the axle 5 to insert a non-ferrous jig of a round rod shape to protect the axle.

In addition, when the operator pulls the second jig 120 toward the recoil frame 40 to remove the brake disc 3 having a smaller diameter than the wheel 4, the second jig 120 uses the pivot shaft 200 as a support point. It is rotated freely so that it is fixed in close contact with the reaction frame (40).

Meanwhile, the second jig 120 is installed as described above and then removed in the same manner as the wheel 4 separation operation.

In addition, in the state where the brake disc 3 and the wheel 4 are removed from the axle 5 as described above, in order to replace a new brake disc or wheel, the reaction frame 40 is mounted on the cylinder part as shown in FIG. 3B. (20) Fix it so far from it.

Next, after positioning the wheel or brake disc to be replaced on one side of the fixing jig 100, the axle 5 is adjusted to the center of the wheel 4 or the brake disc 3.

Next, when the piston 21 of the cylinder portion 20 is operated to push the axle 5, the wheel 4 or the brake disc 3 is pressed into the axle 5.

The other side is also press-fitted in the same way.

Meanwhile, the first jig 110 or the second jig 120, the third jig 130, and the auxiliary jig 140, which are fixed to one end of the recoil frame 40, have different sizes depending on the type of railway vehicle. When pressing or withdrawing a wheel, a jig suitable for its size can be selected and used.

The present invention is installed at the main factory of the vehicle base to form a plurality of wheel presses for wheels for replacing new wheels, gears, disks, etc. on the wheels of railroad cars. By allowing the plurality of work jigs to be rotatable by the rotation shaft, even if the size of the wheels and related parts differs according to the type of railway vehicle, it is easy to select the fixing jig to replace the wheels, and to install the fixing jig. The convenience and convenience of assembly and replacement work can be reduced and work efficiency can be improved.

Claims (2)

A base frame and a cylinder portion perpendicular to one end of an upper surface of the base frame; A support frame provided in a direction opposed to the cylinder portion; A reaction frame installed between the cylinder portion and the support frame; A guide frame horizontally connected to upper and lower portions of the cylinder portion, the support frame, and the reaction frame; In a wheelset press composed of a control device for adjusting them, a plurality of work jigs are rotatably installed on the recoil frame at a pivot point, and the work jig is prevented from sagging due to its own weight. Rolling shaft press for a railway vehicle, characterized in that the holding rod is connected to the rotating shaft and the upper surface of the work jig. The method of claim 1, wherein a fixing groove is formed on one side of the smallest vehicle fixing jig among the plurality of working jigs installed on the recoil frame, and the auxiliary groove of the C shape is installed on the fixing groove. Crimping press for rolling stock.