KR950008371Y1 - Rotating device for heavy weight structure - Google Patents

Abstract

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Description

Rotor of heavy weight structure

1 is an overall perspective view of the rotating apparatus of the present invention, and shows a state in which the structure is rotated 180 degrees by the rotating apparatus.

2 is an enlarged view illustrating main parts of the rotating device.

3 is an operating state diagram in which the structure is elevated by the rotating device.

FIG. 4A is a side view of FIG. 3, which shows a state in which the structure is in position, and FIG. 4B shows a state in which the structure is inverted by 180 ° rotation.

FIG. 5 is a longitudinal sectional view showing a state of shaft joint by a gear coupling employed in the power rotating motion unit of the present invention, and FIG. 5 is a lateral cross section taken along the line V-V.

6 shows a conveying table of a sliding table, in which a is a perspective view thereof, b is a sectional view seen in the A-A direction, and c is a sectional view seen in the B-B direction.

7 is a view showing an example of the jig portion and the fixing portion of the structure.

8 is a detailed view of the rotation angle control mechanism of the rotary device of the present invention, where a is a rotation angle sensor and b is a configuration of a magnetic brake.

* Explanation of symbols for main parts of the drawings

1: Heavy weight structure (railway vehicle structure) 2, 2 ': Column part

3, 3 ': hoist part 3a, 3a': drive motor

4: power rotation exercise unit 4 ': idle rotation exercise unit

4a: drive motor (cyclomotor) 4b: drive motor shaft

4c: driven shaft 5, 5 ': sliding table

5a, 5a ': feeder 5b, 5b': table stand

6, 6 ': jig part 7: control part

8: bogie 15: gear coupling

18: Sensor for detecting rotation angle 19: Magnetic brake

The present invention relates to a rotating apparatus of a heavy weight structure, in particular, a railway vehicle structure can be rotated 180 ° to facilitate the assembly work of the ceiling of the structure.

Conventionally, in performing assembling work for installing electric wires, pipes, air-conditioning appliances, and interior boards in ceiling parts of heavy-weight structures such as railroad cars, the worker works on the ceiling while looking at the ceiling, so the work speed is slow. As a result, the worker was easily tired, and continuous work was difficult. Also, by holding and attaching the tool and the parts to be assembled at a high position, the tool or cooking parts, etc., during the operation were likely to fall to the bottom of the weight structure and be damaged.

The present invention has been made to solve such a conventional drawback, and its purpose is to raise the structure to a predetermined height by rotating it 180 ° and then lowering it, while looking down at the ceiling inside the structure, the so-called bottom view By assembling work, the worker can easily work without worrying that the worker will drop the tool or the assembly during the work, and also the weight of the railway vehicle structure, etc., which can carry out the assembly work smoothly by reducing the worker's fatigue. It is to provide a rotating device of the sieve structure.

As a means for achieving the above object, the present invention, the column portion for guiding the vertical movement of the weight structure, the hoist portion installed on the column portion to drive the structure up and down, and the hoist portion In the state in which the structure is raised to a predetermined position, a rotary motion unit providing sufficient rotational force to the structure, a sliding table for supporting the rotary motion unit, and one side is mounted to the rotary motion unit, the other side is on the structure It is to provide a device for rotating the weight structure, characterized in that the jig portion is attached to, and the control unit for controlling the vertical movement and rotational movement of the structure.

Hereinafter, the rotary device of the present invention will be described in detail with reference to the accompanying drawings.

FIG. 1 shows an overall perspective view of a rotating apparatus in a state in which a heavy weight structure of the present invention, in particular a railway vehicle structure, is rotated and inverted by 180 ° by the rotating device of the present invention.

As shown in the figure, the rotary device of the present invention is installed on the column (2, 2 ') and the column (2, 2') for guiding the vertical movement of the structure (1) and the structure (1). ) The hoist parts 3 and 3 'for moving the up and down directions, the rotary motion parts 4 and 4' for rotating the structure 1, and the rotary motion parts 4 and 4 '. 2, 2 ') and the sliding table (5, 5') supporting on one side, and the other side is coupled to the structure (1), the other side is fixed to the structure (1) on one side of the rotary motion (4, 4 ') Supporting jig part (6, 6 ') and control unit (7) for controlling all the operations required to rotate the structure (1), the column (2, 2') is the bottom of the bogie ( 8, 8 ') are installed.

2 is an enlarged view of the main portion of the rotating device. The hoist part 3 in the same drawing is directly connected to the drive motor 3a which is mounted on the column part 2 and conveys the structure (not shown) in the up and down direction, and the structure is directly connected to the drive motor 3a. It consists of a lead screw 3b penetrating the inside of the column part 2 in order to prevent it from falling. In addition, the column part 2 has a bearing housing 9 for smoothly rotating the hoist part 3, and the guide rail 10 precisionly machined is attached to four corners of the column part 2. .

In addition, on the lead screw (3b) penetrating the column portion 2, the sliding table 5 for supporting the rotary motion portion 4 is screwed by the screw nut 11 is coupled to move freely, the sliding table In (5), a cam for supporting the sliding table 5 against the buckling load caused by the weight of the structure is rolled around the guide rail 10 attached to the four corners of the column portion 2 described above. 12) and 13 are provided (see FIG. 4).

FIG. 3 shows a state in which the rotating device of the present invention is fixed to the jig parts 6 and 6 'in a state where the structure 1 is positioned. FIG. 4 is a side view of FIG.

In the same figure, the rotary motion parts 4 and 4 'of the present invention have a power having a cyclo motor 4a to impart sufficient rotational force to the structure 1 when the structure 1 rotates by 180 °. The rotating unit 4 is provided without a separate driving motor, and is installed at an opposite position with the power rotating unit 4 and the structure 1 interposed therebetween to rotate under the driving force of the power rotating unit 4. It consists of the idle rotation exercise part 4 '.

In addition, the power rotation motion part 4 mentioned above is shown in the right part of FIG. 2, FIG. 3, and the cyclomotor 4a, the drive shaft 4b of this motor 4a, and this drive shaft 4b. ) Has a driven shaft (4c) which is directly coaxially and transmits a rotational force to the structure, one end of the driven shaft (4c) is fastened with a bolt 14 to one side of the jig part (6) for fixing the structure The disk-shaped connecting pipe 4e for rotating the shaft is fixed. Moreover, the support roller assembly 4d is provided on the driven shaft 4c of the power rotation movement part 4.

On the other hand, in the above-described power rotational motion part 4, the drive shaft 4b of the cyclo motor 4a and its driven shaft 4c are the power rotational motion part 4 and the idle rotational motion part 4 'when the structure is rotated. The gear couplings 15 are interconnected to ensure stability against rotational center deviations.

FIG. 5A is a longitudinal sectional view showing the state of shaft coupling in the above-described gear coupling 15, and FIG. 5B is a lateral cross section taken along the line V-V in FIG. Here, reference numeral 4b denotes a drive shaft of the motor 4a + by a cycle, reference numeral 4c denotes a driven shaft extending to one side of the disc-shaped connecting plate 4e, and reference numeral 15 denotes a gear connecting the two axes. Couplings are indicated, and numerals 16 and 17 are bearings supporting these shafts. As can be seen from the figure, the curved surface a of the gear circumferential surface connected to the opposite ends of the drive shaft 4b and the driven shaft 4c, even if the rotational center deviation of the above-described bar occurs when the structure is rotated, Without large deformation of the drive shaft 4b and the driven shaft 4c, the position of the shaft is moved from the state of ① to the state of ②, thereby ensuring the stability of the shaft joint.

Unlike the above-described configuration of the power rotational motion part 4, the idle rotational motion part 4 'has a unitary rotational axis (driven shaft 4c'), as can be seen from the left part of FIG. 4c '), as in the power rotational motion part 4, a disk-shaped connecting plate 4e' is fixed to one side of the jig part 6 'to rotate the structure by bolts. A supporting roller assembly 4e 'is fixed on the rotating shaft 4c', and a supporting roller assembly 4d 'and a pair of pillow blocks 4g' are provided on the rotating shaft 4c '. have.

The third reference numerals 4f and 4f 'indicate the bottoms of the rotary motion portions 4 and 4'.

In addition, sliding bearings 5 and 5 'are positioned below the rotary motion parts 4 and 4'. The sliding tables 5 and 5 'move the power rotational motion part 4 and the idle rotational motion part 4' slightly in each longitudinal direction and in the transverse direction, and the jig part fixed to one side of each rotational motion part. It is provided in the lower part of the conveyance tables 5a and 5a 'which serve to fasten 6 and 6' on the structure 1 to rotate, And a table stand for screwing the carriages 5a and 5a 'and their respective rotary motion portions 4 and 4' to the lead screws 3b and 3b 'in the column portions 2 and 2'. 5a, 5b ').

6 is a detailed view of the above-described sliding tables 5 and 5 'of the transfer tables 5a and 5a', where a is a perspective view thereof, b is a sectional view seen in the AA direction, and c is a sectional view seen in the BB direction. . As can be seen from the figure, the handles 5c and 5c 'are rotated, respectively, and the screws 5d and 5d' directly connected to the handles 5c and 5c 'are rotated so that The fixed rotary motion parts 4 and 4 'can be moved laterally, respectively. (See Figure 6b). Similarly, when turning the handles 5f and 5f ', respectively, the screws 5g and 5g' directly connected to the handles 5f and 5f 'are rotated so that the rotary motion part 4 located upwards. ) And (4 ') can be moved in the longitudinal direction, respectively. (See Figure 6c). In the same figure, reference marks 5e and 5h indicate a support bar which guides the support table in the transverse direction and the longitudinal direction and simultaneously supports it.

On the other hand, the control unit 7 corresponding to the brain part of the rotating device of the present invention, and serves to control the rotary motion portion and the vertical motion, and the rotational movement of the structure on the column (2, 2 '), power rotation It is possible to control the movement part 4 and the idle rotation movement part 4 'by a single acting or linked motion as mentioned later.

Hereinafter, the operation of the rotating device of the present invention will be described.

The structure rotation work is largely performed by the column part 2 and the hoist part 3 on which the power rotation motion part 4 is mounted, and the column part 2 'and the hoist part 3' on which the idle rotation motion part 4 'is mounted. It is divided into a single-acting process that controls each individually and an interlocking process that controls them simultaneously.

[Single Acting Course]

First of all, with no rotation of the hoist parts 3, 3 ′ for the railway vehicle structure 1, in which a rotary device is installed in a series of continuous production lines of the railway vehicle and which has been transported for the ceiling assembly process into the zone, The sliding table 6 manually manipulates the handles 5c and 5f of the feed table 5a to construct the jig portion 6 fixed to the disc-shaped connecting pipe 4e of the power rotating motion part 4. Approach and fix the desired mounting point on one side of (1).

FIG. 7 shows an example of an attachment point of the jig part 6 and the railroad car lower frame 1a ', that is, the bottom 1' has the approximately T-shaped jig part 6 in the lower frame of the railroad car. It is fastened with U-bolts to two sets of lifting lugs 6a 'attached to the grooves, and is also fastened with hexagon bolts to the grooves 6b' of the dumper coupler bracket and the grooves 6c 'of the coupler support bracket.

Subsequently, by the same method, the feed table 5a of the sliding table 5 'is manually operated, and the jig | tool part 6' respectively fixed to the disk-shaped connecting plate 4a 'of the idle rotation motion part 4' is fixed. ) Is approached to the desired mounting point of the other side of the structure 1, and fixed in the same manner as in the case of the above-described power rotational motion part 4.

At this time, in fastening the respective jig parts 6 and 6 'to the lower frame of the railway vehicle structure, an existing bracket and the groove part installed on the lower frame of the railway vehicle structure without installing a separate fastening bracket or groove part ( Note that in the present embodiment, the lifting lugs, the dumper coupler brackets, and the coupler support mounting grooves) can be used to mount the jig portion on the vehicle structure very easily.

Further, in relation to the shape of the jig parts 6 and 6 ', the distance from the disk-shaped connecting plates 4e and 4e' of the rotary motion part to the lower frame of the structure ("L" in FIG. 3) is the minimum rotational force. Select the length by which the structure can be rotated by the rotation moment.

[Linking process]

Subsequently, the hoist portion 3, which is firmly bolted to the jig portions 6 and 6 'of the rotating device, to a predetermined height ("H" in FIG. 4) suitable for 180 ° rotation, The drive motors 3a and 3a 'of 3') are operated and raised at the same time. In this case, the power rotational motion part 4 and the idle rotational motion part 4 'are simultaneously controlled by the control device 7 so that their respective rotational axes move up and down at the same height on the same axis, so that each sliding table (5, 5 ') is also horizontally maintained at the same height and up and down, and for this purpose, the lower portion of the column (2, 2') having a power rotating motion part 4 and the idle rotation motion part 4 ', respectively, An encoder (not shown) is built in.

Subsequently, the railway motor vehicle structure 1 (dotted dashed line in FIG. 3) raised to a predetermined height H while maintaining the horizontal state by the rotating device of the present invention is connected to the cyclomotor 4a of the power rotating motion part 4. Activate to rotate 180 ° to invert.

In this regard, Figure 8 shows a mechanism for accurately controlling the rotation angle of 180 ° in the rotating device of the present invention, a is a rotation angle sensor, b is a configuration of the magnetic brake in the motor cycle. As shown in FIG. 8A, the structure is rotated by 180 ° and controlled by the rotation angle detecting sensor 18 installed in the disc-shaped connecting plate 4e of the power rotating motion part 4. Signal to the device 7, causing the control device 7 to advance the magnetic brake 19 on the cyclo motor 4a in the direction of the arrow as shown in FIG. It is configured to prevent rotation.

In addition, the impact force on the drive shaft 4b or the like due to fluctuations of the inertia force which may occur during inverting and positioning the railway vehicle structure and the eccentricity between the power rotational motion part 4 and the idle rotational motion part 4 'is explained above. It is sufficiently absorbed by the shaft joint by the one gear coupling 15.

Subsequently, it is rotated by 180 ° and the structure 1 is simultaneously driven by driving the drive motors 3a and 3a 'of the hoist portions 3 and 3' and lowered back to its original position, and then inverted from the upper position to the lower position. In the ceiling of the structure (1) to install the equipment, such as wires, pipes, heating and heating, and the interior plate to perform the following work.

Then, when the above assembly work is completed, the assembly work for the ceiling is completed in the reverse order to the above-described process, that is, by raising and lowering the structure.

As described above, according to the present invention, by performing the assembly work of the inner ceiling of the weight structure in the bottom view, the workability is improved as compared to the prior art that rely on the above view.

In addition, the efficiency of the work can be improved by installing a means in the device that can safely and reliably rotate the heavy body structure, and by selecting the length of the jig so that the heavy body structure can be rotated with the minimum rotational force and the rotation moment. .

In addition, when the rotary device of the present invention is applied to a structure of a railway vehicle, for example, by mounting the jig portion using the existing bracket and the groove formed in the lower frame of the structure, it is easy to attach the jig portion to the structure. In addition, when the transmission means is mounted on the trolley located under the column part of the rotating apparatus, desired assembly work can be performed without disturbing the flow of work in the production line, and productivity can be expected to increase.

Claims (5)

Column parts 2 and 2 'for guiding the vertical movement of the weight structure 1, and hoist parts 3 and 3' installed on the column parts 2 and 2 'to drive the structure up and down. ) And the rotary motion part 4, 4 'which provides sufficient rotational force to the structure in a state where the structure 1 is raised to a predetermined height H by the hoist part 3, 3', and the rotation. Sliding tables (5, 5 ') supporting the moving parts (4, 4'), jig parts (6, 6 '), one side of which is mounted on the rotary movement portion, the other side of which is mounted on the structure, and the structure Rotating device of the weight body structure, characterized in that consisting of a control unit for controlling the vertical movement and rotational movement of the. 2. The rotary motion part (4, 4 ') has a power rotational motion part (4) having a drive motor (4a), and the power rotational motion part (4) and the opposite position with the structure between the power rotation Rotating device of the weight body structure, characterized in that consisting of an idle rotation movement portion (4 ') is rotated in response to the driving force from the movement portion (4). 3. The sliding table (5, 5 ') is characterized in that the conveying table (5a, 5a') and the conveying table (5a, 5a, respectively) for conveying the power rotary motion portion 4 and the idle rotation motion portion 4 ' At the lower part of 5a '), it is comprised by the table stand (5b, 5b') connected on the spiral column part (2, 2 '). The rotation angle detecting sensor 18 and the magnetic brake 19 for stopping the structure 1 at the correct position when the structure 1 is rotated are included in the power rotating motion part 4. Rotating device of the weight structure, characterized in that the built-in. The rotating device according to claim 2, characterized in that the drive shaft and the driven shaft are pivoted by the gear coupling (15).