KR101609356B1 - Rail Guide Cart - Google Patents

Rail Guide Cart Download PDF

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Publication number
KR101609356B1
KR101609356B1 KR1020150186021A KR20150186021A KR101609356B1 KR 101609356 B1 KR101609356 B1 KR 101609356B1 KR 1020150186021 A KR1020150186021 A KR 1020150186021A KR 20150186021 A KR20150186021 A KR 20150186021A KR 101609356 B1 KR101609356 B1 KR 101609356B1
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KR
South Korea
Prior art keywords
rail
inner housing
disposed
frame
guide
Prior art date
Application number
KR1020150186021A
Other languages
Korean (ko)
Inventor
정희식
김용완
Original Assignee
유한회사 포리코리아
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Priority to KR1020150186021A priority Critical patent/KR101609356B1/en
Application granted granted Critical
Publication of KR101609356B1 publication Critical patent/KR101609356B1/en

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62D—MOTOR VEHICLES; TRAILERS
    • B62D65/00—Designing, manufacturing, e.g. assembling, facilitating disassembly, or structurally modifying motor vehicles or trailers, not otherwise provided for
    • B62D65/02—Joining sub-units or components to, or positioning sub-units or components with respect to, body shell or other sub-units or components
    • B62D65/18—Transportation, conveyor or haulage systems specially adapted for motor vehicle or trailer assembly lines
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G11/00—Resilient suspensions characterised by arrangement, location or kind of springs
    • B60G11/14—Resilient suspensions characterised by arrangement, location or kind of springs having helical, spiral or coil springs only
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
    • B65G49/00—Conveying systems characterised by their application for specified purposes not otherwise provided for
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H57/00—General details of gearing
    • F16H57/02—Gearboxes; Mounting gearing therein

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Handcart (AREA)

Abstract

The present invention relates to a rail guide cart.
According to an aspect of the present invention, there is provided a rail guide cart comprising: a frame that moves along a rail disposed in a workplace; A plurality of support wheels disposed on the front, rear, right, and left sides of the frame, respectively; And a driving module mounted on the frame and generating power, wherein the driving module comprises: a plurality of guide rollers arranged and rotatable in contact with both side surfaces of the rail; A ground wheel that receives power and rotates, the outer circumferential surface of which contacts the upper surface of the rail; And an inner housing which receives the ground wheel and in which the plurality of guide rollers are rotatably mounted.

Description

Rail Guide Cart}

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a rail guide cart, and more particularly, to a rail guide cart capable of minimizing interference of rails disposed in a workplace and easily crossing the rails.

Generally, 20,000 to 30,000 parts are assembled through assembly and welding processes in the mass production line from automobile manufacturer to automobile production. Especially, in the production of the body, the welding process occupies a large part in the assembling work of the body, and automation of the welding process is being carried out through the transfer luggage system.

[0002] Conventionally, a conveying and bogie system includes a carriage for conveying a workpiece such as a car body along a process, guide means such as a base frame and a rail for guiding the carriage to a predetermined path, (L direction) and a traveling direction (T direction). Conventional bodily rupture is a method in which a bogie moves while a bogie wheel is guided along a rail provided on the upper side of a base frame processed as a guiding means. When the bogie is secured, the bogie is guided in three directions (H, L and T ) Of the first and second frames.

That is, when the traveling wheel of the truck moves along the rail serving as the guiding means, the truck stops at the working position, and when the work such as welding is completed at the working position, the traveling wheel is guided along the rail again, (H, L, T direction) is used to stop the bogie at the working position for work such as welding.

In the conventional conveyance truck system constructed as described above, there has been a problem as follows. First, a running rail guiding a bogie in the process or along the running path between the processes and regulating the H and L directions of the bogie is installed in the entire process (including both in the process or between the process and the process) The rail must be installed along all paths throughout the process in which the bogie is running.

Therefore, the number of necessary rails increases, the route becomes complicated, and the worker's moving line is restricted by the rails, thereby lowering the plant utilization.

Problems to be solved by the present invention are as follows.

First, it minimizes the interference caused by the rails in the workplace, thus freeing the worker's movement.

Second, it is possible to freely move the rail guide cart even if only a minimum number of rails are installed in the workplace.

Third, a rail guide cart capable of stable traveling on a rail is provided.

The problems of the present invention are not limited to the above-mentioned problems, and other problems not mentioned can be clearly understood by those skilled in the art from the following description.

According to an aspect of the present invention, there is provided a rail guide cart comprising: a frame that moves along a rail disposed on a work site; A plurality of support wheels disposed on the front, rear, right, and left sides of the frame, respectively; And a driving module mounted on the frame and generating power, wherein the driving module comprises: a plurality of guide rollers arranged and rotatable in contact with both side surfaces of the rail; A ground wheel that receives power and rotates, the outer circumferential surface of which contacts the upper surface of the rail; And an inner housing which receives the ground wheel and in which the plurality of guide rollers are rotatably mounted.

Further, a rail guide cart according to an embodiment of the present invention includes: a plurality of center frames arranged in parallel with rails arranged in a workplace; A connect frame disposed between the plurality of center frames and connecting the plurality of center frames; A plurality of side frames protruding from the front and rear ends of the center frames, respectively; A support wheel disposed and rotatable in each of the plurality of side frames; The rail is inserted and guided in the moving direction by the rails and is moved in a direction in which the connecting frame is closely connected to the connecting frame so as to be able to adjust the gap with the connecting frame, And includes a driving module that loses the steering force and the driving force to the rails.

Further, a rail guide cart according to an embodiment of the present invention includes: a plurality of center frames arranged in parallel with rails arranged in a workplace; A connect frame disposed between the plurality of center frames and connecting the plurality of center frames; A plurality of side frames protruding from the front and rear ends of the center frames, respectively; A support wheel disposed and rotatable in each of the plurality of side frames; A drive module having a guide wheel moving along the rail and a ground wheel closely contacting the rail and generating a driving force moving along the rail; And a spindle for rotatably connecting the drive module to the connect frame so that the rotation axis of the drive module is perpendicular to the rotation axis of the spindle and connecting the drive module to the connect frame so as to adjust the distance between the rail and the drive module. .

The details of other embodiments are included in the detailed description and drawings.

The present invention has the following effects.

First, it minimizes the interference by the rails in the workplace, so that the operator can freely move.

Second, the rail guide cart can be freely moved even if only a minimum number of rails are installed in the workplace.

Third, the rail guide cart can be stably run on the rails.

The effects of the present invention are not limited to the effects mentioned above, and other effects not mentioned can be clearly understood by those skilled in the art from the description of the claims.

1 is a perspective view of a rail guide cart according to an embodiment of the present invention.
2 is another perspective view of a rail guide cart according to an embodiment of the present invention.
3 is a bottom view of a rail guide cart according to an embodiment of the present invention.
4 is a perspective view of a driving module according to an embodiment of the present invention.
5 is an exploded perspective view of a driving module according to an embodiment of the present invention.
6 is an enlarged perspective view of a front portion of a rail guide cart according to an embodiment of the present invention.
7 is a side view of a driving module according to an embodiment of the present invention.
8 is an exploded perspective view of a driving module and a lever according to an embodiment of the present invention.
9 is a perspective view of a drive module and a connect frame according to an embodiment of the present invention.
10 is an exploded perspective view of a drive module and a connect frame according to an embodiment of the present invention.
11 is a side view of an embodiment in which a drive module, a connect frame, and a lever are combined according to an embodiment of the present invention.
FIG. 12 is a plan view of an embodiment in which the drive module of FIG. 11, the connect frame, and the lever are engaged.

BRIEF DESCRIPTION OF THE DRAWINGS The advantages and features of the present invention and the manner of achieving them will become apparent with reference to the embodiments described in detail below with reference to the accompanying drawings.

The present invention may, however, be embodied in many different forms and should not be construed as being limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the concept of the invention to those skilled in the art. Is provided to fully convey the scope of the invention to those skilled in the art, and the invention is only defined by the scope of the claims. Like reference numerals refer to like elements throughout the specification.

Hereinafter, the present invention will be described with reference to the drawings for explaining the rail guide cart 1 according to the embodiments of the present invention.

1 is a perspective view of a rail guide cart 1 according to an embodiment of the present invention. 2 is another perspective view of a rail guide cart 1 according to an embodiment of the present invention. 3 is a bottom view of the rail guide cart 1 according to an embodiment of the present invention. 4 is a perspective view of a driving module 100 according to an embodiment of the present invention. 5 is an exploded perspective view of a driving module 100 according to an embodiment of the present invention.

1 to 5, a rail guide cart 1 according to an embodiment of the present invention includes a frame 10 moving along a rail 300 disposed at a workplace; A plurality of support wheels (20) arranged on the front, rear, left and right sides of the frame (10); And a driving module 100 mounted on the frame 10 and generating power, wherein the driving module 100 includes a plurality of guide rollers 110 rotatably disposed in contact with both side surfaces of the rail 300; A grounding wheel 120 which receives power and rotates and has an outer circumferential surface in contact with an upper surface of the rail 300; And a ground wheel 120, and an inner housing 160 to which a plurality of guide rollers 110 are rotatably mounted.

The frame 10 moves along the rail 300. In the frame 10, a driving module 100 is disposed on the lower side, and a space for receiving a workpiece is formed on the upper side.

The support wheels 20 are disposed on the front, rear, left, and right sides of the frame 10 to support the frame 10, respectively. The guide rollers 110 are arranged to abut on the left and right sides of the rail 300, respectively, and move along the rail 300. Thus, the drive module 100 and the frame 10 move along the rail 300.

The grounding wheel 120 rotates with power and moves the work to be placed on the frame 10 and the frame 10 due to the frictional force with the rail 300. Preferably, the ground wheels 120 may be formed to have the same width as the rails 300.

The inner housing 160 houses the ground wheel 120 inside and has a guide roller 110.

The drive module 100 includes an outer housing 170 coupled to the inner housing 160 to receive the inner housing 160 and to elevate the guide roller 110 to a height that does not interfere with the rail 300 .

The outer housing 170 receives the inner housing 160. It is not necessary that the size of the inner housing 160 is smaller than that of the outer housing 170 so that the inner housing 160 is inserted into the outer housing 170. It is sufficient that the outer housing 170 supports the inner housing 160 to be movable up and down.

The driving module 100 includes a suspension 180 that connects the inner housing 160 and the outer housing 170 and the ground wheel 120 is disposed on the upper surface of the rail 300 by elastic force.

The suspension 180 connects the inner housing 160 and the outer housing 170. The suspension 180 exerts an elastic force such that the inner housing 160 and the outer housing 170 are separated from each other. Accordingly, the ground wheel housed in the inner housing 160 moves away from the outer housing 170 and is brought into close contact with the upper surface of the rail 300.

The inner housing 160 is disposed in four directions around the ground wheel 120 and the guide roller 110 is rotatable so that the rotation axis of the guide roller 110 is perpendicular to the rotation axis of the ground wheel 120 A plurality of support shafts (163) arranged in a row; An inner connection plate 161 connecting the plurality of support shafts 163 and disposed above the ground wheels 120; And a lower mount 165 connecting the inner support shaft 163 and the suspension 180.

The supporting shaft 163 is formed of four pieces, and guide rollers 110 are disposed at the end portions, respectively. The support shaft 163 is disposed in a shape that accommodates the ground wheel. The inner connecting plate 161 is disposed on the upper side of the grounding wheel to fix the four supporting shafts 163. The lower mount 165 is connected to the inner connecting plate 161 or the support shaft 163. Thus, the elastic force of the suspension 180 is transmitted to the inner housing 160.

The outer housing 170 includes an outer connecting plate 171 connected to the suspension 180; And a guide arm 173 connected to the outer connecting plate 171 and extending downward in parallel with the up and down direction of the inner housing 160. The inner housing 160 has a guide arm 173, And a cylinder 166 connected to the support shaft 163.

The outer housing 170 is connected to the suspension 180 and receives a force in a direction away from the inner housing 160. The outer connecting plate 171 is provided with a guide arm 173 and the guide arm 173 is inserted into the cylinder 166. Therefore, even if the inner housing 160 moves in the vertical direction, the inner housing 160 can maintain a horizontal state.

6 is an enlarged perspective view of a front portion of a rail guide cart 1 according to an embodiment of the present invention.

Referring to FIG. 6, a rail guide cart 1 according to an embodiment of the present invention includes an outer housing 170 and a frame 10, And a spindle 150 that adjusts the spacing.

The spindle 150 is mounted on the frame 10. The spindle 150 is connected to the drive module 100. The spindle 150 adjusts the spacing between the driving module 100 and the frame 10. In order to freely move the rail guide cart 1 without being disturbed by the rail 300 in the workplace, the guide roller 110 must be raised to a height not interfering with the rail 300. Accordingly, when the rail cart 300 moves out of the rail 300 or moves over the rail 300, the operator operates the spindle 150 to raise the height of the driving module 100. The guide roller 110 can be prevented from being caught by the spindle 150 when the rail guide cart 1 is to be moved along the plurality of rails 300 after completion of the operation.

The driving module 100 includes: a motor 130 for supplying power to the ground wheels; And a ground wheel 120 is disposed on the opposite side to supply the power of the motor 130 to the ground wheel 120. The ground wheel 120 is fixed to the inner housing 160 and fixed to the inner housing 160, And a gear box 140 which moves upward and downward together with the gear box 140.

The drive module 100 generates power so that the rail guide cart 1 can move. The drive module 100 includes a motor 130. The motor 130 generates a rotational force by receiving an electric force by a battery. The rotational force generated by the motor 130 is transmitted to the ground wheel 120 through the gear box 140. The motor 130 and the ground wheel 120 may be directly connected.

7 is a side view of a driving module 100 according to an embodiment of the present invention. 8 is an exploded perspective view of a driving module 100 and a lever 200 according to an embodiment of the present invention.

Referring to FIGS. 7, 8 and 5, the rail guide cart 1 according to the embodiment of the present invention is characterized in that the outer housing 170 is formed with a protruded hinge protrusion 172, and the inner housing 160 Includes a protruding latching protrusion 162 and a lever 200 that lifts the latching protrusion 162 with the hinge protrusion 172 as a rotation axis.

The lever (200) lifts the inner housing (160). The lever 200 lifts the latching protrusion 162 with the hinge protrusion 172 as a rotation axis. The lever 200 is hooked to the outer housing 170 to lift the inner housing 160. The lever 200 lifts the guide roller 110. The operator can temporarily lift the guide roller 110 using the lever 200 when the operator moves a relatively short distance or temporarily crosses the rail 300. [ The support wheel 20 still supports the frame 10 against the ground even when the guide roller 110 is lifted, so that the rail guide cart 1 can be easily moved by pushing the frame 10.

The lever 200 includes hooking recesses 217 and 215 for receiving the hinge protrusion 172 and rotating with the hinge protrusion 172 as a rotation axis and an insertion portion having an action groove for receiving the hooking protrusion 162 210); And a grip unit 220 extending from the insertion unit 210 and transmitting an external force to the insertion unit 210. The insertion portion 210 is formed in a shape of a letter "C", and the first insertion portion 211 and the second insertion portion 212 formed with the engagement grooves 217, 215 and the action grooves, respectively, are formed to face each other A connecting portion 219 connecting the first insertion portion 211 and the second insertion portion 212 is formed and the grip portion 220 is formed extending from the center of the connection portion 219.

The latching grooves 217 and 215 accommodate the hinge protrusions 172. The working groove receives the locking projection 162. The insertion portion 210 forms an operation groove with the engagement grooves 217 and 215. [ The grip portion 220 is connected to the insertion portion 210. When the operator grips the grip portion 220 and applies force to the downward direction, the rotational force is transmitted to the insertion portion 210. The insertion portion 210 rotates about the hinge protrusion 172 of the outer housing 170 to apply a force to the locking protrusion 162. The inner housing 160 in which the locking protrusion 162 is formed is raised because the force is applied to the upper side.

The first insertion portion 211 and the second insertion portion 212 are formed spaced apart from each other and the spaced width is determined by the width at which the latching protrusion 162 and the hinge protrusion 172 are disposed. The grip portion 220 is disposed in the middle of the first insertion portion 211 and the second insertion portion 212. The connection part 219 connects the first insertion part 211, the second insertion part 212, and the grip part 220.

The outer housing 170 includes an outer connecting plate having a hinge protrusion 172 formed on an upper surface thereof and a guide arm 173 formed to be long in a downward direction parallel to the vertical moving direction of the inner housing 160, The inner connecting plate 161 includes a coupling protrusion 162 formed on an upper surface facing the outer connecting plate 171 and a hollow 164 through which the guide arm 173 penetrates.

The hollow 164 is formed in the inner connecting plate 161 and the cylinder 166, respectively. The hollow 164 formed in the inner connecting plate 161 and the hollow 164 formed in the cylinder 166 communicate with each other when coaxial. The guide arm 173 is inserted through the inner connecting plate 161 and the cylinder 166. The inner connecting plate 161 and the cylinder 166 move in the vertical direction and are held horizontal by the guide arm 173. 9 is a perspective view of a drive module 100 and a connect frame 13 according to an embodiment of the present invention.

 10 is an exploded perspective view of a drive module 100 and a connect frame 13 according to an embodiment of the present invention. 11 is a side view of an embodiment in which the drive module 100, the connect frame 13, and the lever 200 are combined according to an embodiment of the present invention. 12 is a plan view of an embodiment in which the drive module 100 of FIG. 11, the connect frame 13, and the lever 200 are engaged.

9 to 12 and 6, a rail guide cart 1 according to an embodiment of the present invention includes a plurality of center frames 11 arranged in parallel with a rail 300 disposed in a workplace; A connect frame (13) disposed between the plurality of center frames (11) and connecting the plurality of center frames (11); A plurality of side frames (18) protruding from the front and rear ends of the center frames (11), respectively; A support wheel 20 disposed and rotatable on each of the plurality of side frames 18; The rail 300 is inserted and the moving direction is guided by the rails 300 and the interval between the connecting frame 13 and the rail 300 is adjusted. And the driving module 100, which is connected to the connecting frame 13 in a direction to come close to the connecting frame 13, loses the steering force and the driving force to the rail 300.

The rail guide cart 1 according to an embodiment of the present invention includes a plurality of center frames 11 arranged in parallel with a rail 300 disposed in a workplace; A connect frame (13) disposed between the plurality of center frames (11) and connecting the plurality of center frames (11); A plurality of side frames (18) protruding from the front and rear ends of the center frames (11), respectively; A support wheel 20 disposed and rotatable on each of the plurality of side frames 18; A driving module 100 having a guide roller 110 moving along the rail 300 and a ground wheel closely contacting the rail 300 to generate a driving force moving along the rail 300; The driving module 100 is rotatably connected to the connecting frame 13 so that the rotational axis of the driving module 100 is perpendicular to the rotational axis of the spindle 150 and the distance between the rail 300 and the driving module 100 is adjusted And a spindle 150 for connecting the drive module 100 to the connect frame 13 so that the drive module 100 is enabled.

The rail guide cart (1) includes a frame (10). The frame 10 includes a center frame 11, a connect frame 13 and a side frame 18 arranged in the center. The center frame 11 is arranged long in the longitudinal direction. The side frame 18 is disposed outside the center frame 11 and the support wheel 20 is disposed. The connect frame 13 is disposed between the plurality of center frames 11 and connects and fixes the plurality of center frames 11. However, the connect frame 13 and the center frame 11 may be integrally formed.

The driving module 100 includes a ground wheel, and the ground wheel is supplied with power to drive the rail guide cart 1 due to the frictional force with the rail 300. The ground wheel provides the driving force. The driving module 100 includes a guide roller 110 and the guide roller 110 is disposed in contact with both left and right sides of the rail 300. [ Thus, the guide roller 110 provides a steering force to move the rail guide cart 1 along the rail 300.

The driving module 100 is arranged to be vertically spaced from the connect frame 13 in an adjustable manner. Therefore, when the drive module 100 is moved upward and brought into close contact with the connect frame 13, the guide roller 110 and the ground wheel 120 are separated from the rail 300. Therefore, the rail guide cart 1 loses the driving force and the steering force. That is, the operator can move the rail guide cart 1 in a desired direction without regard to the rail 300.

The rail guide cart 1 according to an embodiment of the present invention includes an outer housing 170 and a connecting frame 13 which are spaced from each other to adjust the gap between the rail 300 and the drive module 100, (150), and the connect frame (13) includes a left side wall portion (14) and a right side wall portion (15) connected to the plurality of center frames (11); And the upper end of the outer housing 170 is lifted up to a position higher than the lower ends of the left wall portion 14 and the right wall portion 15 and connected to the receiving groove 17 (Not shown).

The rising height of the driving module 100 is determined by the distance from the connecting frame 13. Therefore, the elevation height of the driving module 100 can be increased by changing the shape of the connect frame 13 in the upward direction of the driving module 100. That is, if the height of the drive module 100 and the connect frame 13 is lowered, the center of gravity is lowered so that the stability can be secured even if the rail guide cart 1 moves a heavy workpiece. Also, even if the center of gravity is low, the elevation height of the driving module 100 can be increased by forming the receiving groove 17 in the connect frame 13. Therefore, the rail guide cart 1 can move freely regardless of the rail 300 placed on the work site.

The rail guide cart 1 according to an embodiment of the present invention is configured such that the driving module 100 is rotatably connected to the connecting frame 13 so that the rotational axis of the driving module 100 is perpendicular to the rotational axis of the spindle 150 And a spindle 150.

The operator can lift the inner housing 160 by the height of H1 using the lever 200. [ That is, the guide roller 110 and the grounding wheel 120 are also raised by H1. Also, the operator can raise the driving module 100 by H2 using the spindle 150. In this case, both the inner housing 160 and the outer housing 170 are raised.

The rail 300 may be formed to be curved with curvature. When the rail 300 is bent, the rotation axis of the guide roller 110 is also bent. When the rotational axis of the guide roller 110 is bent, the driving module 100 also rotates. The drive module 100 is rotatably connected to the connect frame 13. The spindle 150 connects the drive module 100 and the connect frame 13 such that the drive module 100 rotates according to the shape of the rail 300. The driving module 100 includes a plurality of guide rollers 110 that are disposed so as to be in contact with both side surfaces of the rail 300 and are rotatable; A grounding wheel 120 which receives power and rotates and has an outer circumferential surface in contact with an upper surface of the rail 300; An inner housing 160 receiving the ground wheel 120 and having a plurality of guide rollers 110 rotatably mounted thereon; And an outer housing 170 coupled to the inner housing 160 to receive the inner housing 160 and to elevate the guide roller 110 to a height that does not interfere with the rail 300.

The driving module 100 is formed separately from the inner housing 160 and the outer housing 170 and the driving force and the steering force can be released because the inner housing 160 moves in the vertical direction. In addition, the rail 300 can be freely moved within the work space without being restricted. The operator can freely move the rail guide cart 1 by selecting the spindle 150 or the lever 200. [

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, but, on the contrary, It should be understood that various modifications may be made by those skilled in the art without departing from the spirit and scope of the present invention.

1: Rail guide cart
10: frame
11: Center frame
13: Connect Frame
14:
15: right wall portion
16:
17: Receiving groove
18: Side frame
20: Support Wheel
100: drive module
110: guide roller
120: Ground wheel
130: motor
140: Gear box
150: spindle
160: inner housing
161: Internal connection plate
162:
163: Support shaft
164: hollow
165: Lower mount
166: Cylinder
170: outer housing
171: External connection plate
172: Hinge projection
173: guide arm
180: Suspension
200: Lever
210:
211: first insertion portion
212:
215:
217: working groove
219: Connection
220:
300: Rail

Claims (16)

A frame moving along a rail disposed in the worksite;
A plurality of support wheels disposed on the front, rear, right, and left sides of the frame, respectively; And
And a driving module mounted on the frame and generating power,
The driving module includes:
A plurality of guide rollers rotatably disposed in contact with both side surfaces of the rail;
A ground wheel that receives power and rotates, the outer circumferential surface of which contacts the upper surface of the rail;
An inner housing for receiving the ground wheel, the plurality of guide rollers being rotatably mounted; And
And an outer housing coupled to the inner housing for receiving the inner housing and allowing the guide roller to rise to a height that does not interfere with the rails. delete The method according to claim 1,
The driving module includes:
Further comprising a suspension which connects the inner housing and the outer housing, and wherein the ground wheel is disposed on the upper surface of the rail so as to be brought into close contact by an elastic force. The method of claim 3,
Wherein the inner housing comprises:
A plurality of support shafts arranged in four directions with respect to the ground wheel, the support shafts being rotatably disposed at the end portions of the guide rollers such that the rotation axis of the guide rollers is perpendicular to the rotation axis of the ground wheels;
An inner connection plate connecting the plurality of support shafts and disposed above the ground wheel; And
And a lower mount connecting the support shaft and the suspension. 5. The method of claim 4,
Wherein the outer housing comprises:
An external connection plate connected to the suspension; And
And a guide arm connected to the outer connecting plate and extending downward in parallel with the up and down direction of the inner housing,
Wherein the inner housing comprises:
And a cylinder formed with a hollow through which the guide arm penetrates and connected to the support shaft. The method according to claim 1,
Further comprising a spindle for adjusting the distance between the rail and the drive module by spacingably connecting the frame with the outer housing. The method according to claim 1,
The driving module includes:
A motor for supplying power to the ground wheel; And
And a gear box fixed to the inner housing and moving up and down together with the inner housing, wherein the motor is fixed on one side and the grounding wheel is disposed on the opposite side to supply the power of the motor to the grounding wheel, cart. The method according to claim 1,
Wherein the outer housing has protruded hinge projections,
The inner housing has a protruding locking protrusion,
And a lever for lifting the locking protrusion with the hinge protrusion as a rotation axis. 9. The method of claim 8,
The lever
A receiving groove for receiving the hinge protrusion and rotating with the hinge protrusion as a rotation axis; And
And a grip portion extending from the insertion portion and transmitting an externally applied force to the insertion portion. 10. The method of claim 9,
The insertion portion
The first insertion portion and the second insertion portion formed with the support groove and the action groove are formed facing each other and a connection portion connecting the first insertion portion and the second insertion portion is formed ,
And the grip portion extends from the center of the connecting portion. 9. The method of claim 8,
Wherein the outer housing comprises:
And an outer connecting plate having a hinge protrusion formed on an upper surface thereof and formed with a guide arm extending downward in parallel with a vertical moving direction of the inner housing,
Wherein the inner housing comprises:
And an inner connecting plate on which the engaging protrusion is formed on an upper surface facing the outer connecting plate and in which a hollow through which the guide arm passes is formed. A plurality of center frames arranged in parallel with the rails arranged in the work place;
A connect frame disposed between the plurality of center frames and connecting the plurality of center frames;
A plurality of side frames protruding from both side surfaces of the front and rear ends of the center frames;
A support wheel disposed and rotatable in each of the plurality of side frames; And
The rail is inserted and guided in the moving direction by the rail, and when the rail is connected to the connect frame so as to be adjustable in its distance so as to be in close contact with the connect frame, And a drive module that loses the steering force and the driving force to the rail guide cart. 13. The method of claim 12,
The driving module includes:
A plurality of guide rollers rotatably disposed in contact with both side surfaces of the rail;
A ground wheel that receives power and rotates, the outer circumferential surface of which contacts the upper surface of the rail;
An inner housing for receiving the ground wheel, the plurality of guide rollers being rotatably mounted; And
And an outer housing coupled to the inner housing for receiving the inner housing and allowing the guide roller to rise to a height that does not interfere with the rails. 14. The method of claim 13,
Further comprising a spindle for adjusting the distance between the rail and the drive module by connecting the outer housing and the connect frame in a spacable manner,
The connect frame includes:
A left side wall portion and a right side wall portion connected to the plurality of center frames; And
And a connecting wall portion connecting the left side wall portion and the right side wall portion and having an accommodating groove formed therein such that an upper end of the outer housing is lifted up to a position higher than a lower end of the left side wall portion and the right side wall portion. 15. The method of claim 14,
The spindle
The drive module is rotatably connected to the connect frame,
Wherein the axis of rotation of the spindle is perpendicular to the axis of rotation of the drive module. A plurality of center frames arranged in parallel with the rails arranged in the work place;
A connect frame disposed between the plurality of center frames and connecting the plurality of center frames;
A plurality of side frames protruding from both side surfaces of the center frames;
A support wheel disposed and rotatable in each of the plurality of side frames;
A drive module having a guide wheel moving along the rail and a ground wheel closely contacting the rail and generating a driving force moving along the rail; And
And a spindle for rotatably connecting the drive module to the connect frame and adjusting a gap between the rail and the drive module,
Wherein the rotation axis of the drive module is perpendicular to the rotation axis of the spindle.
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Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR200359213Y1 (en) * 2004-05-17 2004-08-21 현대엘리베이터주식회사 Caster type robotic transfer vehicle

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR200359213Y1 (en) * 2004-05-17 2004-08-21 현대엘리베이터주식회사 Caster type robotic transfer vehicle

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