KR101517437B1 - Trolley For Structure Assembly - Google Patents

Trolley For Structure Assembly Download PDF

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Publication number
KR101517437B1
KR101517437B1 KR1020140033389A KR20140033389A KR101517437B1 KR 101517437 B1 KR101517437 B1 KR 101517437B1 KR 1020140033389 A KR1020140033389 A KR 1020140033389A KR 20140033389 A KR20140033389 A KR 20140033389A KR 101517437 B1 KR101517437 B1 KR 101517437B1
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KR
South Korea
Prior art keywords
steering
wheel platform
driving
disposed
front wheel
Prior art date
Application number
KR1020140033389A
Other languages
Korean (ko)
Inventor
황권태
이상훈
은희광
이동우
문귀원
Original Assignee
한국항공우주연구원
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Application filed by 한국항공우주연구원 filed Critical 한국항공우주연구원
Priority to KR1020140033389A priority Critical patent/KR101517437B1/en
Application granted granted Critical
Publication of KR101517437B1 publication Critical patent/KR101517437B1/en

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62B—HAND-PROPELLED VEHICLES, e.g. HAND CARTS OR PERAMBULATORS; SLEDGES
    • B62B3/00—Hand carts having more than one axis carrying transport wheels; Steering devices therefor; Equipment therefor
    • B62B3/10—Hand carts having more than one axis carrying transport wheels; Steering devices therefor; Equipment therefor characterised by supports specially adapted to objects of definite shape
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62D—MOTOR VEHICLES; TRAILERS
    • B62D5/00—Power-assisted or power-driven steering
    • B62D5/04—Power-assisted or power-driven steering electrical, e.g. using an electric servo-motor connected to, or forming part of, the steering gear
    • B62D5/0409—Electric motor acting on the steering column
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62D—MOTOR VEHICLES; TRAILERS
    • B62D63/00—Motor vehicles or trailers not otherwise provided for
    • B62D63/06—Trailers

Abstract

According to the present invention, there is provided a plasma display panel comprising a base frame 110, a seating plate 120 disposed at an upper portion of the base frame 110 and having a structure mounted thereon, (130) hinged to the base frame (110) and rotating the seating plate (120) with respect to the base frame (110) to implement tilting driving; A rear wheel platform 200 mounted at the center of the structure supporting portion 100 and movable around a plurality of wheel portions 210 at a lower periphery thereof; A structure disposed at a front position of the rear wheel platform 200 and seated by the tilting drive of the standing means 130 supports a load of a structure applied in a front end direction while being laid forward, A front wheel platform 300 provided with a front wheel 301; A steering wheel 421 disposed in the boarding space 301 and a steering shaft 421 for transmitting a steering force of the steering wheel 421. The steering wheel 421 is disposed on both sides of the front wheel platform 300, And a steering link mechanism which is linked between both the driving wheels and receives the steering force of the steering operation mechanism and changes the steering angle of the both driving wheels, And a motorized transportation part (400) including the electric motor (430).

Figure R1020140033389

Description

[0001] TROLLEY FOR STRUCTURE [0002]

The present invention relates to a trolley for assembling a structure having an electric transport section, and more particularly, to a trolley for assembling a structure having an electric transport section, and more particularly, to a front trolley for supporting a load of a structure mounted on a rear wheel platform, And a trolley for assembling a structure having an electric transport unit capable of moving a trolley for assembling a structure to a desired place by itself.

In general, it is important for the operator to assure the accessibility to the whole part of the structure in order to assemble the structures such as satellites. This is because the precise parts are assembled in a posture that is easy for the operator to work, This is because it has a profound influence on Korea.

To this end, a trolley capable of freely deforming the posture of a structure in a state where a structure such as an artificial satellite is seated on the upper part is conventionally used. Here, FIG. 1 discloses a configuration of a conventional trolley. Referring to FIG. 1, in the case of a lower platform in which a base frame is formed, a conventional trolley has a structure in which a structure is directly mounted and tilted in addition to a rear wheel portion, The front portion of the rear wheel had to be provided with a front wheel portion for supporting the load of the structure in an auxiliary manner.

However, as shown in the drawing, when the rear wheel and the front wheel are integrally formed to form the lower platform, when the structure is not tilted in the horizontal direction and is disposed upright on the rear wheel portion, The accessibility is not ensured and the working efficiency is lowered. Therefore, there is a disadvantage that the trolley must be moved and rotated in a direction in which it is easy to work at each operation.

Further, since the front wheel portion is disposed in front of the rear wheel portion, the trolley size is enlarged as a whole and the weight is increased, so there is a fear of imposing load on the floor of the facility. In the case of the conventional trolley, There is an inconvenience that a large number of workers must cooperate with each other to transport the trolley.

In addition, the operator could be injured during transportation, or the trolley or the structure that was seated could be damaged. When the moving or turning direction is changed, the protruded structure of the front wheel collides with the surrounding facilities to damage the device or lead to a safety accident there was.

Korean Patent Laid-Open Publication No. 2011-0049566 (2011.05.12), a plasma reactor and a tar or by-product removing device using the same

SUMMARY OF THE INVENTION The present invention has been made to solve the above-mentioned problems, and an object of the present invention is to provide a front wheel platform supporting a load of a structure seated on a rear wheel platform by mounting an electric transport unit for providing a driving force and a steering function, The trolley for assembling a structure can be easily moved to a desired place, thereby facilitating a worker and preventing a safety accident beforehand.

According to an aspect of the present invention, there is provided a trolley for assembling a structure having a motorized transportation unit, including: a base frame; a seating plate disposed at an upper portion of the base frame, And standing means 130 hinged between the base frame 110 and the seating plate 120 to implement the tilting driving by rotating the seating plate 120 with respect to the base frame 110 (100); A rear wheel platform 200 mounted at the center of the structure supporting portion 100 and movable around a plurality of wheel portions 210 at a lower periphery thereof; A structure disposed at a front position of the rear wheel platform 200 and seated by the tilting drive of the standing means 130 supports a load of a structure applied in a front end direction while being laid forward, A front wheel platform 300 provided with a front wheel 301; A steering wheel 421 disposed in the boarding space 301 and a steering shaft 421 for transmitting a steering force of the steering wheel 421. The steering wheel 421 is disposed on both sides of the front wheel platform 300, And a steering link mechanism which is linked between both the driving wheels and receives the steering force of the steering operation mechanism and changes the steering angle of the both driving wheels, And an electric transport section 400 including the electric motor 430.

Here, the electric transport unit 400 includes a driving motor 440 that rotates the driving wheels 410 in response to a driving power supplied from the outside, mechanically connected to the driving wheels 410, And a speed adjusting unit 450 disposed in the space 301 and controlling the driving speed of the front wheel platform 300 by rotating the driving motor 440 according to a user's operation.

The electric transport unit 400 further includes a driving seat 460 disposed in the boarding space 301 and having a buttock receiving portion 461 and a backrest 462 for the user to sit on, The operating mechanism 420 and the driver's seat 460 can be foldably foldably downwardly so that the upper portion of the front wheel platform 300 can be used as a work space.

The front wheel platform 300 supports a rear end load of the front wheel platform 300 and contacts the ground so that the front wheel platform 300 can be moved by the rotation of the driving wheel 410, (500) may be provided.

In addition, the support wheel 500 can be elevated up and down by the elevating means 510 on the front wheel platform 300 and adjusted to selectively contact the ground.

The standing means 130 includes a guide bar 140 disposed on both sides in the width direction of the base frame 110 and extending between both ends of the extending direction of the base frame 110, A sliding block 150 having a lower portion supported by the bar 140 and sliding along an extended longitudinal direction of the guide bar 140 and an upper portion hinged to both sides of the lower end of the seating plate 120, And a guide frame 160 hinged to both sides of the center of the seating plate 120 and hinged to both sides of the rear end of the base frame 110 at the other end.

The structure supporting unit 100 may further include a sliding driving unit 170 for providing a driving force for sliding the sliding block 150 along the guide bar 140, A power transmission shaft 174 which is gear-connected to the rotation shaft of the drive motor 171 and distributes the rotational force in both directions, and a power transmission shaft 174 which is connected to the power transmission shaft 174 And a screw shaft 175 that is threaded on both sides of the guide bar 140 and extends along the extended longitudinal direction of the guide bar 140 and is formed with a male screw thread and a screw hole formed on one side of the sliding block 150 is screwed And a female screw thread engaging with the male screw thread is formed on the inner side of the screw hole of the sliding block 150 which is screwed to the screw shaft 175. When the screw shaft 175 is rotated, 150 may move sliding along the guide bar 140.

The structure supporting unit 100 includes a tilting sensor unit 180 disposed at one side of the seating plate 120 to detect a tilted state of the seating plate 120, And a microcomputer for controlling the rotation of the driving motor 171 according to the received tilting state information. The microcomputer further includes a microcomputer (not shown) for receiving the tilting state information of the seating plate 120 sensed by the tilting sensor unit 180 .

And a fastening means 600 disposed between a front end of the rear wheel platform 200 and a rear end of the front wheel platform 300 to detachably couple the rear wheel platform 200 and the front wheel platform 300 .

According to the trolley for assembling the structure equipped with the electric transport unit according to the present invention,

First, by installing the electric transport unit which provides the driving force and the steering function to the front wheel platform supporting the load of the structure rested on the rear wheel platform, one operator can easily move the rear wheel platform to a desired place, And prevent safety accidents.

Secondly, since a driving motor is used as a power source for rotating the driving wheels, no smoke or noise is generated even when the trolley is moved in the room, and the driving motor is rotated Speed control unit for controlling the moving speed of the front wheel platform is disposed, so that safe and rapid transportation is possible.

Third, a steering operation mechanism such as a steering wheel, a steering wheel, and a steering shaft disposed in the boarding space in which the user is seated and which is seated by the user is foldably foldable downwardly so as not to inconvenience to use the upper portion of the front wheel platform as a work space .

Fourth, since the rear wheel of the front wheel platform is provided with a support wheel that supports the rear end load and contacts the ground and rotates together with the movement of the front wheel platform, the front wheel platform can be operated independently without being fastened to the rear wheel platform.

Further, since the support wheel is vertically raised and lowered by the lifting means on the front wheel platform, the rear wheel platform is adjusted so as to be selectively in contact with the ground surface, so that the rear wheel platform is engaged with the rear wheel platform There is an advantage that steering control of the trolley through the steering operation mechanism becomes easier.

Fifth, a rear wheel platform that directly supports a load of a structure and a front wheel platform that supports the load of the structure when the load is moved forward as the structure is tilted in the horizontal direction is detachably fastened by the fastening means, Since the front wheel platform can be selectively fastened to the rear wheel platform only when a large load is required, the operator's accessibility to the entire structure can be ensured, the device can be downsized, and the overall load of the device can be reduced.

Sixth, in the case where the seating plate on which the structure is placed is placed upright while the structure is laid horizontally, the sliding block slides between both longitudinal ends of the base frame, and the supporting frame supporting the seating plate closely contacts the seating plate So that the rear space of the rear wheel platform can be utilized to the maximum, thereby minimizing the length of the trolley and reducing the cost.

Seventh, the tilting sensor unit is disposed on the seat plate to detect the tilting of the seat plate, and the control unit controls the rotation drive of the driving motor according to the tilting state information of the seat plate sensed by the tilting sensing unit, The tilting angle of the seat plate can be precisely controlled.

1 is a perspective view showing a configuration of a trolley according to the prior art,
FIG. 2 is a perspective view illustrating a structure of a trolley for assembling a structure according to a preferred embodiment of the present invention. FIG.
3 is a perspective view illustrating the structure and operation principle of a structure supporting unit according to a preferred embodiment of the present invention,
4 is a schematic view showing the configuration of a sliding drive unit for providing a driving force to a structure supporting unit according to a preferred embodiment of the present invention.

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings. Prior to this, terms and words used in the present specification and claims should not be construed as limited to ordinary or dictionary terms, and the inventor should appropriately interpret the concepts of the terms appropriately The present invention should be construed in accordance with the meaning and concept consistent with the technical idea of the present invention.

Therefore, the embodiments described in this specification and the configurations shown in the drawings are merely the most preferred embodiments of the present invention and do not represent all the technical ideas of the present invention. Therefore, It is to be understood that equivalents and modifications are possible.

The trolley for assembling a structure according to the preferred embodiment of the present invention includes a motorized transportation part 400 for providing a driving force and a steering function to a front wheel platform 300 supporting a load of a structure placed on a rear wheel platform 200 A trolley which can easily move a trolley for assembling a structure to a desired place by a single worker so as to facilitate the convenience of a worker and prevent a safety accident in advance, as shown in Figs. 2 to 4, A supporting part 100, a rear wheel platform 200, a front wheel platform 300, and a motorized transportation part 400.

First, the structure supporting unit 100 is a pivoting structure for providing a worker with accessibility by deforming the posture of the structure freely while the structure such as artificial satellite is seated on the upper part to fix the posture of the structure. The pivoting structure includes a base frame 110, A seating plate 120 disposed at an upper portion of the base frame 110 and having a structure to be seated on an upper portion thereof and a seating plate 120 hinged between the base frame 110 and the seating plate 120, And rising means (130) for turning the tilting drive to implement the tilting drive.

2 and 3, the guide bar 140 is disposed on both sides of the base frame 110 in the width direction and extends between both ends of the base frame 110 in the longitudinal direction of the base frame 110, A sliding block 150 slidably supported on the guide bar 140 and extending along the extended longitudinal direction of the guide bar 140 and hinged to both sides of the lower end of the seating plate 120, And a guide frame 160 hinged to both sides of the center of the seating plate 120 and hinged to both sides of the rear end of the base frame 110 at the other end.

3 (a), when the seating plate 120 is horizontally disposed at an upper position of the base frame 110, the structure that is seated on the seating plate 120 is arranged do. 3B, when the sliding block 150 is slid along the guide bar 140, the lower portion of the seating plate 120, which is hinged to the lower portion of the sliding block 150, The seat frame 120 is retracted to the rear position of the base frame 110 and the guide frame 160 is rotated upward while supporting both sides of the center of the seat plate 120, . In this case, the structure that is seated on the seating plate 120 can be arranged in a state of being tilted together with the seating plate 120 and laid horizontally.

As shown in FIG. 3, it is preferable that a support block 170 is disposed on the upper portion of the base frame 110 to support the lower portion of the seating plate 120 horizontally disposed while being protruded upward. Due to the configuration of the support block 170, it is possible to prevent the components from being damaged or deformed by restricting the operation before the turning and sliding limit points of each of the configurations of the standing means 130, Can be stably supported.

1, a rotating plate that can rotate a structure, which is seated on the seating plate 120, on the seating plate 120 may be disposed on the seating plate 120. [ That is, the structure is detachably coupled to a rotating plate rotatably coupled to the upper portion of the seating plate 120, and the seating plate 120 is horizontally disposed and tilted to be vertically disposed, By rotating it, the operator's accessibility can be improved.

In addition, the structure supporting unit 100 may include a sliding driving unit 170 that provides a driving force for sliding the sliding block 150 along the guide bar 140.

4, the sliding driving unit 170 includes a driving motor 171 for providing a rotational force in accordance with a control signal of a microcomputer to be described later, A power transmission shaft 174 for distributing the power transmission shaft 174 and a power transmission shaft 174 for guiding the power transmission shaft 174 and the power transmission shaft 174, And a screw shaft 175 screwed into a screw hole formed at one side of the screw 150. The screw 150 is screwed to the screw shaft 175, So that the sliding block 150 is slid along the guide bar 140 in accordance with the rotation of the screw shaft 175.

A speed reducer 172 is disposed on the rotary shaft of the driving motor 171 to control an appropriate number of rotations required to move the sliding block 150. The speed reducer 172 is disposed between the reducer 172 and the power transmitting shaft 174 Gear boxes 173a, 173b and 173c for switching the rotational direction of the drive motor 171 to the direction for moving the sliding block 150 are disposed in the power transmission shaft 174 and the respective screw shafts 175 do.

When the seating plate 120 on which the structure is seated is arranged upright due to the structure of the standing means 130 such that the structure is laid horizontally and the sliding block 150 is disposed between the both ends in the longitudinal direction of the base frame 110 And the guide frame 160 supporting the seating plate 120 moves in close contact with the seating plate 120 so that the rear space of the rear wheel platform 140 can be maximally utilized .

The structure support unit 100 is provided to precisely control the tilting angle of the seating plate 120 by sensing the state of the seating plate 120 being currently tilted. To this end, the structure supporting unit 100 is disposed on one side of the seating plate 120, A tilting sensor unit 180 for detecting a tilted state of the tilting sensor unit 120 and a tilting state information of the tilting sensor unit 180 sensed by the tilting sensor unit 180 in signal connection with the tilting sensor unit 180) And a microcomputer (not shown) for controlling the rotation of the driving motor 171 according to the received tilting status information.

The rotational driving of the driving motor 171 of the sliding driving unit 170 is controlled according to the tilting state information of the seating plate 120 sensed by the tilting sensor unit 180 and the micom, It is possible to precisely control the tilting angle of the motor.

The rear wheel platform 200 is a frame structure that directly supports the load of the structure supporting unit 100 including the structure. The structure supporting unit 100 is mounted at the center, and a plurality of wheel units 210 do. Here, the wheel unit 120 is used to move the rear wheel platform 200 to change the installation position or installation direction of the rear wheel platform 200.

In addition, as shown in FIG. 2, a plurality of jack screws 211 for performing horizontal adjustment of the rear wheel platform 200 may be disposed under the rear wheel platform 200. The jack screw 211 is driven to move downward while the rear wheel platform 200 is moved by the wheel 210 to contact the ground so that the load of the structure support 100 and the structure are applied to the upper part of the rear wheel platform 200 As shown in Fig.

Since the wheel 210 and the jack screws 211 disposed at the lower portion of the rear wheel platform 200 are spaced apart from each other around the entire circumference of the rear wheel platform 200 in a manner such that the rear wheel platform 200 is spaced apart from the rear wheel 200, It is preferable that the platform 300 is installed so as to be independently supported on the ground without fastening the platform 300.

The front wheel platform 300 includes a frame structure 300 disposed at a front position of the rear wheel platform 200 and supporting a load of a structure applied in a forward direction while a structure seated by the tilting drive of the standing- A base frame 301 for forming a frame is provided in a substantially rectangular frame structure and a plurality of wheel portions 310 are arranged at a lower portion of the frame. Although not shown, the lower portion of the front wheel platform 300 is provided with a front wheel platform 300, which is similar to the rear wheel platform 200, in the lower portion of the front wheel platform 300, although the wheel portion 310 is used to change the installation position and the installation direction of the front wheel platform 300. [ A plurality of jackscrews for performing horizontal adjustment of the jackscrew 300 may be disposed.

The electric transport unit 400 is a frame structure that is mounted on a front wheel platform 300 fastened to a rear wheel platform 200 and provides a driving force and a steering function for moving the rear wheel platform 200 as desired, A steering wheel 421 disposed in the boarding space 301 and a steering shaft 422 transmitting a steering force of the steering wheel 421 And a steering link mechanism 430 that is linked between the steering operation mechanism 420 and the both driving wheels 410 and receives the steering force of the steering operation mechanism 420 and changes the steering angle of the both driving wheels 410 .

Accordingly, by rotating the steering wheel 421 in the direction to change the direction, the steering force due to the rotation is transmitted to the steering link mechanism 430 through the steering shaft 422, so that the steering link mechanism The steering angle of both the driving wheels 410 can be adjusted to correspond to the rotation of the steering wheel 421 by the link operation of the steering wheel 421.

The electric transport unit 400 includes a driving motor 440 that rotates the driving wheel 410 in response to driving power supplied from the outside by mechanically connecting a rotating shaft to the driving wheel 410, And a speed adjusting unit 450 disposed in the space 301 and controlling the driving speed of the front wheel platform 300 by rotating the driving motor 440 according to a user's operation.

Therefore, by controlling the speed regulating unit 450 to control the rotational speed and the rotational direction of the driving motor 440, the driving wheel 410 is rotated in a desired direction and speed to construct the structure including the front wheel platform 300 The moving speed of the trolley, and forward and backward movements of the trolley can be easily controlled.

In the figure, the speed regulator 450 is disposed on a floor surface such as an accelerator of an automobile and the speed is adjusted by the user's pressurization. However, the speed regulator 450 is not limited to this, Or may be provided in a push button manner to adjust the speed by pressing a button corresponding to a desired speed or by operating an operation state of the button.

The electric transport unit 400 further includes a driving seat 460 disposed in the boarding space 301 and provided with a buttock receiving portion 461 and a backrest 462 for the user to sit on, The steering operation mechanism 420 and the driver's seat 460 can be foldably foldably downwardly used so that the upper portion of the front wheel platform 300 can be used as a work space.

Therefore, when the upper part of the front wheel platform 300 is used as a work space for repairing the structure that is seated on the rear wheel platform 200 after the trolley for assembling the structure is transferred to a desired position, The steering actuator or the driver's seat can be folded down to the lower portion, so that the upper portion of the front wheel platform 300 is not used as a work space.

The rear wheels of the front wheel platform 300 support the rear end load of the front wheel platform 300 and are supported by the support wheels 300 that are in contact with the ground so that the front wheel platform 300 can be moved by the rotation of the driving wheel 410 The front wheel platform 300 can be operated independently in a state where the front wheel platform 300 is not fastened to the rear wheel platform 200 through the structure of the support wheel 500.

2, the support wheel 500 is vertically moved up and down by the elevating means 510 on the front wheel platform 300 and is adjusted to selectively contact the ground. Thus, the front wheel platform 300, The trolley can be steered more easily through the steering operation mechanism 420 in a state where the rear wheel platform 200 is engaged by separating the rear wheel platform 200 from the ground.

The lifting means 510 is formed with threads at the upper end of the wheel shaft 510 of the support wheel 500 and at the fastening position of the front wheel platform 300 to which the wheel shaft 510 is fastened, And a fastening hole for fastening the fastening hole 510 is formed on the inner surface of the fastening hole 510. By forming a female thread on the inner surface of the fastening hole so as to fit the thread of the wheel axis 510, So that the height of the lifting and lowering shaft 500 can be adjusted. Also, as shown in the drawing, the turning handle 520 is disposed at the end of the wheel shaft 510 so that the driving wheel shaft 510 can be rotated without a separate turning tool to facilitate the elevation control.

Meanwhile, the trolley for assembling the structure according to the preferred embodiment of the present invention is constructed such that the rear wheel platform 200 and the front wheel platform 300 are detachably coupled to each other, thereby ensuring the operator's accessibility to the entire structure, The rear wheel platform 200 and the front wheel platform 300 may be disposed between the rear wheel platform 300 of the rear wheel platform 200 and the rear wheel of the front wheel platform 300 as shown in FIG. And a fastening means 600 for fastening the fastening member 600 in a detachable manner.

The fastening means 600 includes a plurality of fastening holes 610 formed at both sides of a front end of the rear wheel platform 200 as shown in the figure and a plurality of fastening holes 610 formed at the rear end of the front wheel platform 300, A plurality of fastening holes 620 that are formed at the positions corresponding to the front wheel platform 300 and the front wheel platform 300 and are rotatably coupled to the fastening holes 610 of the rear wheel platform 200 through the fastening holes 620 of the front wheel platform 300, And a fastening bolt 630 for selectively fastening the rear wheel platform 200 to the rear wheel platform 200.

In addition, in the technical field to which the present invention pertains, such as a combination of the fitting projections and the fitting grooves, in addition to the combined structure of the fastening holes 610 and 620 and the fastening bolts 630, It can be used as the fastening means 600.

Since the front wheel platform 300 can be selectively fastened to the rear wheel platform 200 only when a large load is required due to the fastening means 600, the operator's accessibility to the entire structure can be ensured, And the overall load of the device can be reduced.

In addition, the front wheel platform 300 is used by fastening the front wheel platform 300 to the rear wheel platform 200 only when the structure centered on the upper side of the rear wheel platform 200 is tilted in the horizontal direction and the load center of the structure is moved forward, The front wheel platform 300 is separated and only the rear wheel platform 200 is used. Therefore, the installation space occupied by the trolley can be minimized, and the apparatus can be damaged or collapsed It can reduce the possibility of an accident.

The fastening means 600 of one of the front wheel platform 300 and the rear wheel platform 200 is provided with a fastening guide pin (not shown) extending horizontally to a fastening means 600 of another platform, (Not shown) for inserting the fastening guide pin is provided on the other fastening means 600 of the platform so that the front wheel platform 300 and the rear wheel platform 200 are fastened The fastening guide pin can be inserted into the insertion groove while being in close proximity to each other, so that fastening by the fastening means 600 can be facilitated.

In addition, a limit switch for detecting the inserted state of the fastening guide pin is disposed in the insertion groove, and the mutual engagement state of the front wheel platform 300 and the rear wheel platform 200 is detected by the external As shown in FIG.

The supporting wheel 500 disposed at the rear end of the front wheel platform 300 is vertically elevated and elevated by the elevating means 510 to adjust the height of the rear end of the front wheel platform 300, The wheel 210 of the platform 200 is vertically elevated and supported by a predetermined elevating means as in the case of the support wheel 500 so that the height of the wheel 210 can be adjusted to adjust the height of the rear end of the rear platform 200, It is preferable that the fastening between the platform 300 and the rear wheel platform 200 is made easier.

According to the structure and function of the trolley for assembling the structure according to the preferred embodiment of the present invention, the driving force and the steering function are provided to the front wheel platform 300 supporting the load of the structure placed on the rear wheel platform 200 The operator can easily move the rear wheel platform 200 to a desired place, so that the operator can be comforted and a safety accident can be prevented in advance.

In addition, since the driving motor 440 is used as a power source for driving the driving wheels 410, smoke or noise is not generated even when the trolley is used indoors. In the boarding space 301, The speed control unit 450 for controlling the driving speed of the front wheel platform 300 by rotating the driving motor 440 together with the mechanism 20 is disposed.

While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it is to be understood that the invention is not limited to the disclosed exemplary embodiments. It is to be understood that various modifications and changes may be made without departing from the scope of the appended claims.

100 ... structure support 110 ... base frame
120 ... seat plate 130 ... standing means
200 ... rear wheel platform 300 ... front wheel platform
400 ... electric transport part 410 ... drive wheel
420 ... steering operation mechanism 430 ... steering link mechanism
440 ... drive motor 450 ... speed control section
460 ... driving seat 500 ... support wheel
600 ... fastening means

Claims (9)

A base plate 110 and a seating plate 120 disposed on the base frame 110 and having a structure mounted thereon and a base plate 110 hinged between the base frame 110 and the seating plate 120, A structure supporting part (100) comprising standing means (130) for rotating the seating plate (120) with respect to the frame (110) to implement tilting driving;
A rear wheel platform 200 mounted at the center of the structure supporting portion 100 and movable around a plurality of wheel portions 210 at a lower periphery thereof;
A structure disposed at a front position of the rear wheel platform 200 and seated by a tilting drive of the standing means 130 supports a load of a structure applied in a front end direction while being laid forward, A front wheel platform 300 provided with a front wheel 301; And
A steering wheel 421 disposed in the boarding space 301 and a steering shaft 422 for transmitting a steering force of the steering wheel 421. The steering wheel 421 is disposed on both sides of the front wheel platform 300, A steering link mechanism that is linked between both the driving wheels 410 and receives the steering force of the steering operation mechanism 420 and changes the steering angle of the both driving wheels 410; And a motorized transportation part (400) including the electric motor (430).
The method according to claim 1,
The electric transport unit (400)
A driving motor 440 mechanically connected to the driving wheel 410 to rotate the driving wheel 410 according to driving power supplied from the outside,
And a speed adjusting unit 450 disposed in the boarding space 301 and controlling the driving speed of the front wheel platform 300 by rotating the driving motor 440 according to a user's operation Trolleys for assembly of structures.
3. The method of claim 2,
The electric transport unit (400)
And a driving seat (460) disposed in the boarding space (301) and provided with a buttock base (461) and a backrest (462) for the user to sit on,
Wherein the steering operation mechanism (420) and the driving seat (460) are pivotally foldable downwardly so that the upper portion of the front wheel platform (300) can be used as a working space.
The method of claim 3,
The rear wheels of the front wheel platform 300 support the rear end load of the front wheel platform 300 and are supported by the support wheels 500 that contact the ground so that the front wheel platform 300 can be moved by the rotation of the driving wheel 410 And a trolley for assembling the structure.
5. The method of claim 4,
Wherein the support wheel (500) is vertically raised and lowered by the elevating means (510) on the front wheel platform (300) and is adjusted to selectively contact the ground surface.
6. The method of claim 5,
The standing means (130)
A guide bar 140 disposed on both sides of the base frame 110 in the width direction and extending between both ends of the extended length direction of the base frame 110,
A sliding block 150 slidably supported on the guide bar 140 and extending along the extended longitudinal direction of the guide bar 140 and hinged to both sides of the lower end of the seating plate 120,
And a guide frame (160) hinged to both sides of a central portion of the seating plate (120) at one end and hinged to both sides of a rear end of the base frame (110).
The method according to claim 6,
The structure support part
The sliding block (150) further includes a sliding driver (170) for providing a driving force for sliding along the guide bar (140)
The sliding driving unit 170 includes:
A drive motor 171 for providing a rotational force in accordance with a control signal,
A power transmitting shaft 174 geared to the rotating shaft of the driving motor 171 to distribute rotational force in both directions,
The sliding block 150 is gear-engaged at both sides of the power transmission shaft 174 and extends along the extended longitudinal direction of the guide bar 140, and a screw thread is formed at one side of the sliding block 150, And a screw shaft 175,
The sliding block 150 is screwed to the screw shaft 175 and a female screw thread is formed on the inner side of the thread hole so as to be engaged with the screw threads. 140). ≪ / RTI >
8. The method of claim 7,
The structure support part
A tilting sensor unit 180 disposed on one side of the seating plate 120 for detecting a tilted state of the seating plate 120,
And receives the tilting state information of the seating plate 120 sensed by the tilting sensor unit 180 in signal connection with the tilting sensor unit 180 and outputs the tilting state information of the driving motor 171 Further comprising a microcomputer for controlling the rotation drive of the trolley.
9. The method according to any one of claims 1 to 8,
And a fastening means 600 disposed between a front end of the rear wheel platform 200 and a rear end of the front wheel platform 300 to detachably couple the rear wheel platform 200 and the front wheel platform 300. [ A trolley for constructing structures.
KR1020140033389A 2014-03-21 2014-03-21 Trolley For Structure Assembly KR101517437B1 (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106891920A (en) * 2016-11-23 2017-06-27 住华科技股份有限公司 Tilting type collecting device
CN113232745A (en) * 2021-05-11 2021-08-10 深圳市精灵机器人自动化有限公司 Intelligent distribution robot for community service
CN113619451A (en) * 2020-09-07 2021-11-09 江苏大盛铁塔制造有限公司 High-speed railway contact net double pin H shaped steel post convenient to installation

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Publication number Priority date Publication date Assignee Title
JPH07157155A (en) * 1993-12-06 1995-06-20 Hymex:Kk Winding web conveyance device
JP2002154370A (en) * 2000-11-22 2002-05-28 Ishikawajima Harima Heavy Ind Co Ltd Artificial satellite carrier connecting carriage
KR200446217Y1 (en) * 2009-06-03 2009-10-09 (주)로지탑 Separable Electric transporter
KR20090126501A (en) * 2008-06-04 2009-12-09 한국항공우주연구원 Trolley for assembly of large size satellite

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Publication number Priority date Publication date Assignee Title
JPH07157155A (en) * 1993-12-06 1995-06-20 Hymex:Kk Winding web conveyance device
JP2002154370A (en) * 2000-11-22 2002-05-28 Ishikawajima Harima Heavy Ind Co Ltd Artificial satellite carrier connecting carriage
KR20090126501A (en) * 2008-06-04 2009-12-09 한국항공우주연구원 Trolley for assembly of large size satellite
KR200446217Y1 (en) * 2009-06-03 2009-10-09 (주)로지탑 Separable Electric transporter

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106891920A (en) * 2016-11-23 2017-06-27 住华科技股份有限公司 Tilting type collecting device
CN113619451A (en) * 2020-09-07 2021-11-09 江苏大盛铁塔制造有限公司 High-speed railway contact net double pin H shaped steel post convenient to installation
CN113232745A (en) * 2021-05-11 2021-08-10 深圳市精灵机器人自动化有限公司 Intelligent distribution robot for community service
CN113232745B (en) * 2021-05-11 2022-06-24 深圳市精灵机器人自动化有限公司 Intelligent distribution robot for community service

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