KR20000044972A - Transfer trolley of flat reciprocating three dimensional parking device - Google Patents

Abstract

PURPOSE: A transfer trolley is provided to stably transfer a pallet let in and out between a hangar and the trolley and to enhance processability and installation performance with a simple structure. CONSTITUTION: A pallet(60) moves horizontally on a trolley body(100). At the same time, a slider driving motor moves reversely so that a slider device(200) of a hangar returns to the trolley. The pallet is mounted on the trolley by the movement of the slider device. When the slider device is rightly placed on the trolley body, the trolley is transferred to a lift device(30) through a travelling rail(50) for delivering a vehicle.

Description

Carrier truck of flat reciprocating three-dimensional parking device

The present invention relates to a transport trolley for a flat reciprocating three-dimensional parking device, and more particularly, in the flat reciprocating three-dimensional parking device, a pallet loaded with a vehicle is smoothly transferred between the hangar and the transport cart to stabilize the storage and removal of the pallet. It relates to a carriage of the flat reciprocating three-dimensional parking device to be made.

In general, a planar reciprocating three-dimensional parking device for efficiently storing a car in a limited space has a plurality of hangars 20 on the left and right sides based on a passage along which the transport cart 10 travels back and forth as shown in FIG. 1. It is arrange | positioned and the lift apparatus 30 for elevating a vehicle to one side row (right side in FIG. 1) of this hangar 20 is provided.

When you want to release the car stored in the hangar 20, first move the transport cart 10 located on a certain running rail 50 to move to the storage location of the car to be released, then the transport cart 10 ), The pallet 60 on which the vehicle is mounted is transversely moved in the hangar 20 and mounted.

As such, when the pallet 60 on which the vehicle is loaded is mounted and mounted on the transport trolley 10, the position of the lift device 30 is moved to the transport trolley 10 through the traveling rail 50 to release the vehicle to the access floor. Transfer until aligned.

In this state, the pallet 60 on which the vehicle is mounted is transferred to the lift apparatus 30 side, and when the transfer is completed, the lift apparatus 30 is operated up and down to move the vehicle to the factory floor.

In addition, when the user wants to wear the car, the vehicle including the pallet 60 received from the wearing floor is moved to the predetermined storage floor using the lift device 30, and then the pallet 60 is moved to the transport cart 10. After mounting on the vehicle, the transport cart 10 is moved to the position of the designated hangar 20, and the pallet 60 mounted on the transport cart 10 is transversely moved and stored in the designated hangar 20. Goods receipt is complete.

On the other hand, the transport cart 10 is a traveling wheel for rolling movement in the front and rear direction through the running rail 50 at each corner of the frame 12 configured to have a substantially rectangular shape as shown in Figure 2 of the accompanying drawings A driving drive unit 16 including a driving motor 16a and a driving shaft 16b is installed, and the driving wheel 14 generates a driving force so that the driving wheel 14 rolls. The horizontal axis of the frame 12 is provided. A plurality of transverse rollers 17 are arranged in two rows, and a transverse roller drive motor 18a, a drive shaft 18b, and a drive chain 18c for generating and applying a driving force so that the transverse rollers 17 are reversely rotated. While the transverse driving unit 18 is constructed and installed, both ends thereof are ejected from the pallet 60 on the side of the hangar 20 as shown in FIG. 3 to be pulled to the upper surface of the transverse roller 17. Driving force on the hook 19a and the hook 19a The traction device 19 is configured as a hook motor (19b) and the drive chains (19c) and so on which are installed.

Then, the process of transporting the pallet 60 onto the transport trolley 10 using the transverse driving unit 18 and the traction device 19 configured in the transport trolley 10 as described above will be described in more detail. When the hook motor 19b is driven while the roller driving motor 18a is driven to drive the transverse roller 17 counterclockwise, the hook 19a is rotated counterclockwise, and the end of the pallet 60 is rotated. It is caught by the end of the pallet 60 is to be pulled toward the transport cart 10 side and then the bottom surface of the pallet 60 is in close contact with the transverse roller 17 is to move horizontally.

In this way, the method of discharging the pallet 60 by the hook 19a is referred to as a hooking type, and in addition, there is a friction roller type and a chain driving hook type.

However, in the conventional transport trolley 10 as described above, the distance between the pallet 60 and the hook 19a is not accurate in the process of pulling the pallet 60 onto the transport trolley 10 by the hook 19a. Otherwise, a malfunction occurs, and if the motion is not coincident between the hook 19a and the transverse roller 17, noise and vibration are generated when the pallet is transversely moved, and also has a predetermined width between the hangar 20 and the transport cart 10. Since the space (approximately 200 mm) is formed, the pallet 60 meanders in this space when the pallet 60 is transported, so that the guide rail 22 of the hangar 20 is impacted to generate noise. There is a problem that can not guarantee the performance, such as damage to the rail.

In addition, since the transport cart 10 includes a plurality of towing devices 19 for evicting and storing the driving drive unit 16, the transverse drive unit 18, and the pallet 60 on the frame 12, the structure is reduced. There was a problem of complexity and deterioration in manufacturability and installation.

The present invention is to solve the above problems, the object is to make the transfer operation of the pallet to be ejected and stored between the hangar and the transport trolley made stable and the structure is simplified to improve the manufacturability and installability It is to provide a transport cart of the type three-dimensional parking device.

In order to achieve the above object, the present invention comprises a plurality of hangars are configured on the left and right sides of the running rails installed at regular intervals, and a lift device is installed on one side hangar, and the vehicle is mounted on a pallet to run on the running rails. In the planar reciprocating three-dimensional parking device configured with a transport cart to be ejected or stored on a hangar, the transport cart is provided with a traveling wheel moving on the travel rail on a main frame having a substantially rectangular shape. A carriage driving device including a traveling motor for generating and applying a forward and reverse driving force to be driven in a predetermined direction is installed, and a transverse rail in which a pallet is moved in a transverse direction is installed at upper and lower ends of the main frame, and A pair of slider rails are rolled in between, and between the transverse rails and the slider rails Carries the balance unit is a plurality of reinforcing members in the longitudinal direction, and on; A slider frame formed by horizontally horizontally horizontally stacking the horizontal members of the slider traveling roller on the slider rails of the carrier body, and being provided at regular intervals on the horizontal members of the slider frame; A slider device comprising a slider driving device for applying a driving force to move forward and backward in the lateral direction, a plurality of horizontal rollers installed at regular intervals between the horizontal members of the slider frame, and a horizontal roller driving device for forward and backward driving of the horizontal rollers. Characterized in that consisting of.

In the configuration of the present invention configured as described above, the slider drive device is such that the slider drive motor is fixed to the main body frame, the drive chain gear is installed on the motor shaft of the slider drive motor and coaxial to the left and right sides of the drive chain gear. A pair of idle chain gears installed on the main body frame, a drive chain wound around the drive chain gear and the idle chain gear and both ends thereof fixed to the slider frame, and an idle chain gear to apply a constant tension to the drive chain And a tension roller installed on the main body frame so as to have a coaxial axis therebetween, and a chain fixing bracket installed on the slider frame so that both ends of the driving chain is fixed and formed in a substantially "ㅛ" shape in plan view. do.

In the configuration of the present invention configured as described above, the locking roller is provided at both ends of the slider frame, the locking guide is provided on the frame of the hangar contacting the locking roller.

1 is a plan view showing a conventional planar reciprocating three-dimensional parking device,

2 is an enlarged plan view of a portion A of FIG.

Figure 3 is a front view of the portion A of Figure 1 showing towing the pallet on the carriage cart in a conventional flat reciprocating three-dimensional parking device;

4 is a plan view showing a state in which the transport cart of the planar reciprocating three-dimensional parking device according to the invention is installed

5 is an enlarged plan view of a portion B of FIG. 4 showing a transport cart of the planar reciprocating three-dimensional parking device according to the present invention;

Figure 6a is a plan view showing a main body of the carriage cart according to the present invention,

Figure 6b is a plan view showing a slider device mounted on the carriage body of the planar reciprocating three-dimensional parking device according to the present invention,

7A is an enlarged plan view of a portion C of FIG. 5 showing a slider device of a transport cart according to the present invention;

7B is a front view of FIG. 7A showing a slider device of a transport cart according to the present invention;

8 is an enlarged view illustrating a main part of a state in which a pallet is evicted using a transport cart according to the present invention;

9 is a view showing a pallet of the planar reciprocating three-dimensional parking device according to the present invention, Figure 9a is a plan view, Figure 9b is a front view, Figure 9c is an enlarged sectional view taken along the line D-D of Figure 9a,

10 is a first use state diagram of the transport cart according to the present invention, Figure 10a is a plan view, Figure 10b is a front view,

Figure 11 is a second use state of the carriage according to the present invention, Figure 11a is a plan view, Figure 11b is a front view,

12 is a third use state diagram of the transport cart according to the present invention, Figure 12a is a plan view, Figure 12b is a front view,

Figure 13 is a fourth state of use of the transport cart according to the present invention, Figure 13a is a plan view, Figure 13b is a front view,

14 is a fifth use state diagram of the transport cart according to the present invention, Figure 14a is a plan view, Figure 14b is a front view,

15 is a sixth use state diagram of the transport cart according to the present invention, Figure 15a is a plan view, Figure 15b is a front view,

16 is a seventh use state diagram of the transport cart according to the present invention, Figure 16a is a plan view, Figure 16b is a front view,

17 is an eighth use state diagram of the transport cart according to the present invention, FIG. 17A is a plan view, and FIG. 17B is a front view.

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

20: hangar, 24: roller guide,

50: running rail, 60: pallet,

100: carrier body, 110 body frame,

120: driving wheel, 130 transport cart driving device,

140: transverse rails, 150: slider rails,

200: slider device, 210: slider frame,

220: slider drive roller, 230: slider drive,

232: slider drive motor, 234: drive chain gear,

235: children chain gear, 237: drive chain,

238: tension roller, 239: chain fixing bracket,

240: cross roller, 250: drive roller drive,

270: Locking roller.

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

4 is a plan view showing a state in which a transport cart of the planar reciprocating three-dimensional parking device according to the present invention is installed, and FIG. 5 is an enlarged view of part B of FIG. Figure 6a is a plan view showing the carriage body of the carriage according to the invention, Figure 6b is a plan view showing a slider device mounted on the carriage body of the planar reciprocating three-dimensional parking device according to the present invention, Figure 7a is the present invention An enlarged plan view of part C of FIG. 5 showing the slider device of the transport cart according to the present invention, FIG. 7B is a front view of FIG. 7A showing the slider device of the transport cart according to the present invention, and FIG. 8 is a pallet using the transport cart according to the present invention. 9 is an enlarged view illustrating a pallet of a planar reciprocating three-dimensional parking device according to the present invention, in which FIG. 9A is a plan view and FIG. 9B is a front view 9C is an enlarged cross-sectional view of the DD line of FIG. 9A, and FIG. 10 is a first use state diagram of a transport cart according to the present invention. FIG. 10A is a plan view, FIG. 10B is a front view, and FIG. 11 is a second view of the transport cart according to the present invention. As a use state diagram, Fig. 11A is a plan view, Fig. 11B is a front view, Fig. 12 is a third use state diagram of the transport cart according to the present invention, Fig. 12A is a plan view, Fig. 12B is a front view, and Fig. 13 is a transport according to the present invention. 13A is a plan view, FIG. 13B is a front view, FIG. 14 is a fifth use state diagram of a transport cart according to the present invention, FIG. 14A is a plan view, FIG. 14B is a front view, and FIG. As a sixth use state diagram of the transport cart according to the invention, Figure 15a is a plan view, Figure 15b is a front view, Figure 16 is a seventh use state view of the transport cart according to the invention, Figure 16a is a plan view, Figure 16b is a front view, 17 is an eighth use state diagram of a transport cart according to the present invention, FIG. 17A is a plan view, and FIG. 17B is a front view. The same parts as in the prior art will be described with the same reference numerals.

Carrying trolley of the three-dimensional parking device according to the invention is a plurality of hangars 20 on the left and right sides of the running rail 50 installed at regular intervals along the longitudinal direction in the center of the compartment as shown in the accompanying drawings, Figures 4 and 5 In the planar reciprocating three-dimensional parking device configured with a lift device 30, the pallet body 60 for transferring the pallet 60 to a predetermined position, and the pallet body 100 is installed to be transversely movable It consists of a slider device 30 which ejects or stores 60 to the hangar 20.

As shown in FIGS. 5 and 6A, the carriage body 100 has a running rail 50 installed in a longitudinal direction at the center of the storage compartment at each corner of the body frame 110 having a substantially rectangular shape. Traveling wheel (120) is installed, the traveling wheel (120) is installed, the driving motor 132, the sprocket 134 and the driving chain (not shown) for generating and applying the forward and reverse driving force so that the driving wheel 120 is driven in a predetermined direction Carriage truck driving device 130 is configured, such as, and the upper and lower ends of the main frame frame 110 traverse rail (Traverse rail, Traverse wheel, 64) of the pallet 60 is moved in the transverse direction (Traverse rail, 140 is installed.

In addition, a pair of slider rails 150 to which the slider traveling roller 220 of the slider device 200 to be described later is moved between the transverse rails 140, and the transverse rails 140 and A plurality of reinforcing members 112 are installed in the longitudinal direction between the slider rails 150.

Reference numeral 160 is a traveling guide roller (Travelling guide roller) which is installed to guide the driving wheel 120 of the carriage body 100 to run safely in the process of running on the running rail 50, 170 Is a pallet exact position sensor installed to detect the correct position of the pallet 60, 172 is a slider position correct sensor installed to detect the correct position of the slider device 200 to be described later, 174 is The driving correct position sensor is installed to detect the running position of the carriage body 100, 176 is the overrun detection sensor is installed to detect the overrun (over run) of the carriage body 100. .

The slider device 200 has a horizontal member 214 fixed in parallel at regular intervals by the stay bolt 212 and the end plate 216 at both ends thereof, as shown in FIGS. 5 and 6B. The slider having a rectangular shape of the slider frame 210 and the outer side of the horizontal member 214 of the slider frame 210 at regular intervals, the slider being clouded on the slider rail 150 of the carriage body 100. At regular intervals between the traveling roller 220, the slider driving device 230 for applying a driving force so that the slider frame 210 is moved laterally in the forward and reverse directions, and the horizontal member 214 of the slider frame 210. A plurality of transverse rollers 240 to be installed, and the transverse rollers 240 to the forward and reverse drive and close contact with the guide rails 66 located on the bottom of the pallet 60, so that the pallet 60 hangar (20) )in It comprises a transverse roller driving device 250 for generating and applying a driving force to be stored or removed from.

The slider driving device 230 is a slider driving motor 232 fixed to the main body frame 110 of the carriage body 100, as shown in Figure 7a and 7b of the accompanying drawings, and the slider driving motor 232 A pair of idle chain gears installed on the main body frame 110 of the carriage body 100 so as to be coaxial with the drive chain gear 234 installed on the motor shaft of the drive shaft 234 and the left and right sides of the drive chain gear 234. 236, a drive chain 237 wound around the drive chain gear 234 and the idle chain gear 236, and both ends of which are fixed to the horizontal member 214 of the slider frame 210, and the drive chain The tension roller 238 is installed on the reinforcing member 112 of the main body frame 210 so as to be coaxial between the idle chain gears 236 so that a constant tension is applied to the 237 and the driving chain 237. Installed on the horizontal member 214 of the slider frame 210 so that both ends are fixed It is composed of a chain fixing bracket 239 formed in a substantially "ㅛ" shape when viewed from the side.

And, the transverse roller drive device 250 is installed on the motor roller of the transverse roller drive motor 252 and the transverse roller drive motor 252 is installed on the slider frame 210 as shown in Figure 6b of the accompanying drawings. Connection between the drive chain gear 254, the transmission chain gear 256 installed on each axis of the transverse roller 240, and each of the transmission chain gear 256 and the drive chain gear 254. The chain 257 and the connecting chain 257 is configured to include a tension adjusting device 258 is installed on the horizontal member 214 of the slider frame 210 to take a constant tension.

In addition, the reference numeral 260 is installed to guide the slider running roller 220 installed in the slider frame 210 to safely travel without being separated in the process of running on the slider rail 150 of the vehicle body 100. Slider running guide roller.

Meanwhile, as shown in FIG. 8, locking rollers 270 are installed at both ends of the slider frame 110, and locking guides are formed on the frame 22 of the hangar 20 in contact with the locking rollers 270. 24) is installed.

The locking guide 24 is a plate-shaped member is formed to be bent "a" shape, the slider device 200 located on the carriage body 100 to contain or dismantle the pallet 60, the hangar 20 Since the locking roller 270 is supported on the upper surface of the locking guide 24 while sliding on the bottom of the pallet 60 on the upper side, the transverse roller 220 on the slider frame 210 is the bottom guide rail of the pallet 60. In close contact with the 66, the frictional pressure is doubled to make the transverse conveyance of the pallet 60 stable.

On the other hand, Figure 9 is a planar, front and cross-sectional view showing a pallet mounted on a transport cart of the planar reciprocating three-dimensional parking device according to the present invention, as shown in the pallet 60 is a plate-shaped member having an approximately rectangular shape A tire movement path is formed at a predetermined up and down interval on the tire stopper, a tire stopper 61 and a rolling prevention jaw 62 are formed in front of the tire movement path, and an entrance guide 63 is formed at the rear thereof, while a slider is provided on the bottom thereof. A guide rail 66 sliding in surface contact with the transverse roller 240 of the apparatus 200 is formed, and on both front and rear ends, a pallet transverse wheel for rolling on the transverse rail 140 formed on the carriage body 100. (Traverse wheel, 64) is installed.

In addition, reference numeral 67 is a pallet guide roller for guiding the transverse movement of the pallet 60 moved on the slider device 200 to be stable.

The operation of the present invention as described above is as follows.

4 to 8, when the vehicle is to be shipped from the hangar 20 using the transport cart configured as shown in Figure 1 to operate the transport cart body 100 located on any running rail 50 As shown in FIGS. 10 and 11, the pallet is moved to a storage position of the vehicle to be shipped, and as shown in FIGS. 12 and 13, the pallet 60 is mounted on the vehicle body 100. ) Is mounted by moving in the hangar 20.

As described above in more detail the process of mounting the pallet 60 to the carriage body 100, the carriage body 100 is a hangar 20 is mounted on the car to be released by the driving position sensor (174) When the position is accurately positioned, the slider driving device 230 is operated so that the driving force of the slider driving motor 232 is driven by the driving chain 237 and the driving chain 237 caught by the idle chain gear 236. Since it is transmitted to the chain fixing bracket 239 fixed to 210, the slider driving roller 220 of the slider frame 210 is moved to the hangar 20 side by riding the slider rail 150 of the carriage body 100. The slider device 200 is slid to the bottom surface of the pallet 60, and at the same time the horizontal roller driving motor 252 of the horizontal roller driving device 250 installed in the slider device 200 is driven to connect the connecting chain 257. Each rowing roll Since the 240 is rotated counterclockwise and closely rubs against the guide rails 66 formed at the bottom of the pallet 60, the pallet 60 is laterally moved to the carriage body 100 by the frictional force and is ejected. In addition, the pallet transverse wheel 64 installed on the pallet 60 is cloud-moved by the transverse rail 140 formed on the carriage body 100.

Meanwhile, as described above, the pallet 60 is transversely moved onto the carriage body 100 and at the same time the slider driving motor 232 is driven in the reverse direction to move toward the hangar 20 as shown in FIG. 13. The slider device 200 which had been present is returned to its original position on the carriage body 100.

In this way, when the pallet 60 is mounted on the carriage body 100 by the operation of the slider device 200 and the slider device 200 is correctly positioned on the carriage body 100, it moves to the entrance floor. Position to which the lift device 30 is installed as shown in FIGS. 14 and 15 by the driving force of the transport vehicle traveling device 130 by the transport vehicle body 100 through the traveling rail 50 to release the vehicle. Conveyed and aligned.

When the pallet 60 on which the vehicle is mounted is transferred to the lift apparatus 30 and positioned correctly, the pallet 60 is lifted by using the slider device 200 as shown in FIGS. 16 and 17. The vehicle 30 is moved horizontally and the lift device 30 is operated up and down to complete the shipment by moving the car to the shipping floor. The process of transferring the pallet 60 on which the vehicle is mounted to the lift device 30 is performed. In more detail, the transverse roller driving motor 235 of the transverse roller driving device 250 installed in the slider device 200 is driven so that the transverse roller 240 is clockwise through the connection chain 257. The pallet 60 is transversely moved to the lift device 30 by the frictional force because the roller is in close contact with the guide rail 66 formed at the bottom of the pallet 60 and is frictionally rotated, and the pallet is horizontally installed on the pallet 60. 64 will be riding on the transverse rails and transverse rollers provided on the lifting device 30 to be moved the clouds.

On the contrary, even when the car is to be stored in the hangar 20, the car including the pallet 60 received from the storage floor is moved to the predetermined containment floor using the lift device 30, and then the slider device 200 is moved. The pallet 60 is mounted on the carriage body 100 in the same operation as described above, the carriage body 100 is moved to the position of the predetermined hangar 20, aligned, and then the carriage body When the pallet 60 mounted on the 100 is horizontally moved using the slider device 200 and stored in the predetermined hangar 20, the receipt of the vehicle is completed.

Meanwhile, as shown in FIG. 8, the transverse roller 240 of the slider device 200 is in close contact with the guide rail 66 formed on the lower surface of the pallet 60 in the process of the slider device 200 transversely moving. Since the pallet 60 of the pallet 60 is moved to the traversing rail 140 on the carriage body 100, the transverse movement of the pallet 60 is made stable, and the slider device 200 When the sliding side to the left and right, the locking rollers 270 installed at both ends are supported on the upper surface of the locking guide 24 installed in the frame 22 on the hangar 20 side, so that the horizontal roller 240 of the slider device 200 is supported. ) And frictional force between the pallet and the guide rail 66 of the pallet 60 to prevent shock or shaking during transverse transfer of the pallet 60 for the removal and storage of the pallet 60 and to enable structurally stable transport. do.

According to the transport cart of the planar reciprocating three-dimensional parking device according to the present invention as described above, since the pallet is removed and stored between the hangar and the transport cart by a slider device which is transversely moved, the transport cart and Since there is no space between hangars, pallets are not meandered and stable transportation is possible. Since there is no impact on hangars or trolleys, noise and vibration are not generated, and damage to various devices is prevented. It is a very useful invention that simplifies the structure and improves manufacturability and installation since it does not need to configure a complicated device for towing the pallet to the transport cart.

Claims (3)

A plurality of hangars 20 are configured on the left and right sides of the running rails 50 installed at regular intervals, and a lift device 30 is installed on one side hangar 20, and the vehicle is mounted with a pallet 60 mounted thereon. In the flat reciprocating three-dimensional parking device configured to move on the rail 50, the carriage cart to be ejected or stored on the hangar 20, The carriage cart is provided with a traveling wheel 120 that is cloud-moving on the running rail 50 on the main body frame 110 having a substantially rectangular shape, the forward and backward driving force so that the driving wheel 120 is driven in a predetermined direction Carriage truck driving device 130 including a driving motor 132 to generate and apply is installed, the transverse rail 140 is installed on the upper and lower ends of the main body frame 110 to move the pallet 60 in the horizontal direction. A pair of slider rails 150 are rolled between the transverse rails 140, and a plurality of reinforcing members 112 are installed in the longitudinal direction between the transverse rails 140 and the slider rails 150. Carrier bogie body 100; Slider frame 210 formed by horizontally rolled horizontally lateral member 214 is installed on the slider rail (150) of the carriage body 100, the slider traveling roller 220 on the outside at regular intervals, and the The slider drive device 230 is installed on the horizontal member 214 of the slider frame 210 at regular intervals to apply a driving force so that the slider frame 210 moves forward and backward in the horizontal direction, and the slider frame 210 of the slider frame 210. Characterized in that the slider device consisting of a plurality of transverse rollers 240, which are installed at regular intervals between the transverse members 214, and a transverse roller driving device 250 for forward and reverse driving the transverse rollers 240 Carrier truck of flat reciprocating three-dimensional parking device. The method of claim 1, The slider driving device 230 includes a slider driving motor 232 fixed to the main body frame 110; A drive chain gear 234 installed on the motor shaft of the slider drive motor 232; A pair of idle chain gears 236 installed on the body frame 110 so as to be coaxial with the left and right sides of the drive chain gear 234; A drive chain 237 wound around the drive chain gear 234 and the idle chain gear 236 and fixed at both ends thereof to the slider frame 210; A tension roller 238 installed on the main body frame 110 to be coaxial between the idle chain gears 236 so that a constant tension is applied to the drive chain 237; Planar reciprocating three-dimensional parking, characterized in that it comprises a chain fixing bracket 239 installed on the slider frame 110 so that both ends of the drive chain 237 is fixed and formed in a substantially "ㅛ" shape in plan view. Carrier of the device. The method of claim 1, Locking rollers 270 are installed at both ends of the slider frame 210, and a locking guide 24 is installed on the frame 22 of the hangar 20 in contact with the locking roller 270. Carrier truck of three-dimensional parking device.