JP2008230486A - Car body transfer device - Google Patents

Abstract

It is an object of the present invention to provide a transport device that can easily obtain an inclined posture required from various vehicle types.
A transport apparatus includes a guide rail group supported by a floor so as to be movable up and down, a carriage supported by the guide rail group so as to run freely, and a vehicle body mounted thereon, and a guide for the carriage. A carriage moving mechanism 140 provided on the floor 11 for moving along the rail group 12 and a controller 150 for controlling the height of the guide rail group 12 corresponding to the required inclination form.
[Effect] Since an optimum inclination can be set for each vehicle body 13 by a command from the controller 150, water adhering to the vehicle body 13 can be discharged efficiently. Therefore, it is possible to provide the transport apparatus 10 that can easily obtain the tilt posture required from various vehicle types.
[Selection] Figure 1

Description

  The present invention relates to a vehicle body transport apparatus that can transport a vehicle body in an inclined state.

  In the electrodeposition coating process of the vehicle body, a water washing operation is performed to remove dust after the vehicle body is taken out of the electrodeposition tank. For the next process, it is necessary to quickly drain this water from the vehicle body, and draining can be promoted by tilting the vehicle body. Therefore, conveyance is performed with the vehicle body tilted.

2. Description of the Related Art Conventionally, there has been known a hanger tilting type conveying device that can tilt a vehicle body supported by a hanger forwardly or downwardly (see, for example, Patent Document 1).
Japanese Patent Laid-Open No. 9-220511 (FIG. 1)

Patent document 1 is demonstrated based on the following figure.
FIG. 9 is a diagram for explaining the basic principle of the prior art. A hanger tilting type conveying device 200 includes a conveying chain 202 guided by a power rail 201 provided on a support material (not shown), and the conveying chain 202. , A dog trolley 205 attached to the lower end of the dog 204, a front trolley 206 connected to the dog trolley 205, and a rear trolley 207 provided to the right of the front trolley 206. And a dog trolley 208 coupled to the rear trolley 207, and a free rail 209 provided on a support material (not shown), a receiving frame 211 supported by the front trolley 206 and the rear trolley 207, and the receiving frame 211 and the tilt frame 212 mounted on the 211, Consisting hanger 214 which supports the vehicle body 213 with the constant.

  When the tilting frame 212 is rotated about the shaft 215 in the counterclockwise direction in the figure, the vehicle body 213 assumes a forward-lowering posture. Further, when the tilting frame 212 is rotated in the clockwise direction around the axis 216, the vehicle body 213 assumes a forwardly raised posture.

By the way, depending on the type of vehicle, there are some vehicles that are more drainable in a posture different from the front-down posture or the front-up posture. This is because the positions of the drain holes provided in the vehicle body are different.
If the left front corner or the right front corner is lowered, the vehicle type whose drainage performance is increased cannot be handled by the hanger tilting transfer device 200 of Patent Document 1.

  Therefore, there is a need for a transport device that can easily obtain the tilt posture required from various vehicle types.

  It is an object of the present invention to provide a transport device that can easily obtain an inclined posture required from various vehicle types.

  According to the first aspect of the present invention, there is provided a vehicle body conveying device capable of conveying the vehicle body in an inclined state. The conveying device includes a plurality of guide rails supported by the floor so as to be movable up and down, and these guide rails. Corresponding to a cart that is supported so that it can run freely and that mounts the vehicle body, a cart moving mechanism that is provided on the floor for moving the cart along the plurality of guide rails, and a required inclination form And a control unit for controlling the height of the plurality of guide rails.

  The invention according to claim 2 is characterized in that the plurality of guide rails are configured by four guide rails when viewed from the front of the carriage.

  The invention according to claim 3 is characterized in that the carriage is provided with guide rollers each running on four guide rails.

  The invention according to claim 4 is characterized in that the required form of inclination is determined in accordance with the type of vehicle body to be conveyed.

In the invention according to claim 1, since the control unit that controls the heights of the plurality of guide rails is provided corresponding to the required tilting form, the vehicle body can be freely tilted by a command from the control unit. it can. For this reason, an optimum inclination can be set for each vehicle body, so that water attached to the vehicle body can be discharged efficiently.
According to the first aspect of the present invention, it is possible to provide a transport device that can easily obtain the inclined posture required from various vehicle types.

  In addition, maintenance work becomes a high place work in the conventional overhead conveyor. In this regard, in the present invention, since the plurality of guide rails and the carriage moving mechanism for supporting the carriage are provided on the floor, maintenance work can be easily performed.

  In the invention according to claim 2, since the plurality of guide rails are constituted by the four guide rails, the vehicle body can be inclined in a desired direction. Therefore, the water adhering to the vehicle body and the water accumulated inside the vehicle body can be easily discharged.

  In the invention which concerns on Claim 3, since the trolley | bogie is provided with the guide roller which each drive | works on four guide rails, a trolley | bogie can be made to drive | work smoothly.

  In the invention according to claim 4, since the required inclination form is determined according to the type of the vehicle body to be conveyed, the guide rail of each type of vehicle body (SUV, sedan, sports, etc.) The height can be adjusted freely. Therefore, an optimum inclination can be set for each type of vehicle body.

  The best mode for carrying out the present invention will be described below with reference to the accompanying drawings. The drawings are viewed in the direction of the reference numerals. Further, “front”, “rear”, “left”, and “right” described below indicate directions viewed from the position corresponding to the driver's seat of the vehicle body to be transported.

FIG. 1 is a perspective view of a vehicle body conveying apparatus according to the present invention, and the vehicle body will be described below using a vehicle body of a passenger car as an example.
The transfer device 10 includes a guide rail group 12 supported on a floor 11 so as to be movable up and down, a carriage 70 supported on the guide rail group 12 and mounted on a vehicle body 13, and the carriage 70 as a guide rail group 12. A carriage moving mechanism 140 (details will be described later) provided on the floor 11 for moving along, and a controller as a control unit for controlling the height of the guide rail group 12 corresponding to the required inclination form 150.

  The guide rail group 12 is composed of, for example, four guide rails 20, 30, 40, 60. When viewed from the front of the carriage 70, the rightmost is called the first guide rail 20, and the left is called the second guide rail 30, the third guide rail 40, and the fourth guide rail 60.

  The first guide rail 20 is supported by a first front cylinder 21 and a first rear cylinder 22 that are stroke-controllable and provided on the floor 11 so as to be movable up and down, and the second guide rail 30 is provided on the floor 11. The third guide rail 40 is supported by the second front cylinder 31 and the second rear cylinder 32, which can be stroke controlled, and is movable up and down. The fourth guide rail 60 is supported by a front cylinder 41 and a third rear cylinder 42 (not shown) so as to be movable up and down, and the fourth guide rail 60 is provided on the floor 11 and can be stroke-controlled, for example, an electric fourth front cylinder 61 and a fourth. A rear cylinder 62 (not shown) is supported so as to be movable up and down.

  The first front cylinder 21, the first rear cylinder 22, the second front cylinder 31, the second rear cylinder 32, the third front cylinder 41, the third rear cylinder 42 (not shown), the fourth front cylinder. 61, the fourth rear cylinder 62 (not shown) has been described as an electric cylinder. However, since a pneumatic cylinder or a hydraulic cylinder capable of stroke control can be employed, it may be changed to another type of actuator. Absent.

The carriage 70 includes a front left guide roller 72 that travels on the second guide rail 30 and a front right guide roller 73 that travels on the third guide rail 40 at the front portion 71. A left rear guide roller 112 that travels on one guide rail 20 and a right rear guide roller 113 that travels on a fourth guide rail 60 are provided. That is, the carriage 70 includes a left rear guide roller 112 and a left front guide that travel on the first guide rail 20, the second guide rail 30, the third guide rail 40, and the fourth guide rail 60, which are four guide rails. A roller 72, a right front guide roller 73, and a right rear guide roller 113 are provided.
The detailed structure of the carriage 70 will be described later.

  The controller 150 uses eight cables 151 to connect the first front cylinder 21, the first rear cylinder 22, the second front cylinder 31, the second rear cylinder 32, the third front cylinder 41, and the third rear cylinder 42 (not configured). And a fourth front cylinder 61 and a fourth rear cylinder 62 (not shown) for controlling the strokes of these cylinders.

  2 is a cross-sectional view taken along line 2-2 of FIG. 1, and the second guide rail 30 is attached to the tip of the cylinder rod 34 of the second rear cylinder 32 attached to the floor 11 with a foundation bolt 33 and to the lower surface 35. By fixing the connecting member 36 with the pin 37, it is supported on the floor 11 so as to be movable up and down.

  The third guide rail 40 is fixed to the floor 11 by fixing the tip of the cylinder rod 43 of the third rear cylinder 42 attached to the floor 11 with the foundation bolt 33 and the connecting member 36 attached to the lower surface 44 with a pin 37. It is supported so that it can be raised and lowered.

  The second guide rail 30 has a substantially rectangular cross section, and has convex guides 38 formed on both upper ends, and a guide roller running surface 39 between the guides 38 and 38. Similarly, the third guide rail 40 has a substantially rectangular cross section and has convex guides 45, 45 formed on both upper ends, and a guide roller between the guide 45 and the guide 45. A running surface 46 is provided.

  The carriage 70 is incorporated in the front portion 71, a left front fixed shaft 77 that is attached to an inner ring 75 of a left front bearing 74 that is, for example, a self-aligning roller bearing built in the left front guide roller 72, and a right front guide roller 73. For example, a right front fixed shaft 79 that is attached to an inner ring 75 of a right front bearing 78 that is a self-aligning roller bearing by a nut 76, and a left front fixed shaft 77 and a right front fixed shaft 79 are supported via front fixed shaft support members 81 and 81. A front support beam 82, a U-shaped longitudinal beam 83 that is mounted on the front support beam 82 and extends in the back direction of the figure to support the rear portion of the vehicle body (reference numeral 13 in FIG. 1), The vehicle body front support beam 84 attached to the vehicle body, the vehicle body fixing bolts 86, 86 attached to both upper ends of the vehicle body front support beam 84 via support plates 85, 85, and the front support beam 82 With fitted in only two holes 87, 87 are extended in FIG back direction composed of a beam connection rod 88 to be connected to a support beam after that will be described later.

  The left front bearing 74 and the right front bearing 78 have been described as self-aligning roller bearings, but self-aligning ball bearings may be employed.

  Since the left front guide roller 72 and the right front guide roller 73 are provided with convex guides 38 and 38 and convex guides 45 and 45 on the second guide rail 30 and the third guide rail 40, the second guide rail 30. In addition, the third guide rail 40 is not detached. Therefore, the cart 10 can travel stably.

  Further, a slider portion 92 (details will be described later) is attached to the front support beam 82 of the carriage 70 by means of attachment bolts 89 and attachment nuts 91, and the slider portion 92 includes a slider body 93 mounted on the carriage moving mechanism 140. A left conveyor chain 97 and a right conveyor chain 98 are attached to the left side surface 94 and the right side surface 95 of 93 through two chain support plates 96, 96.

  The carriage moving mechanism 140 includes a plurality of support members 141 attached to the center of the floor 11 with foundation bolts 33, and a conveyor rail 142 having a substantially U-shaped cross-section attached to the top of these support members 141. A convex portion 143 is formed at the center of the rail 142 so as to protrude upward. The convex portion 143 and upper surfaces 144 and 144 on both sides thereof are convex, for example, a slider sliding plate 145 made of polytetrafluoroethylene. Are attached with countersunk machine screws 146 and nuts 147.

  Although the slider sliding plate 145 is made of polytetrafluoroethylene, it may be made of polyethylene or polyethylene terephthalate, and other resin materials can be used.

  47 is a base plate, 48 is a nut for a base bolt, 49 is a cylinder mounting bolt, 51 is a washer, 52 is a split pin, 99 is a retaining ring, 101 is a support plate, 102 is a mounting bolt, 103 is a mounting nut, and 104 is a chain mounting A bolt 105 is a chain mounting nut.

  Since the inner ring 75 of the left front bearing 74 built in the left front guide roller 72 or the right front bearing 78 built in the right front guide roller 73 is fixed to the left front fixed shaft 77 or the right front fixed shaft 79 by the nut 76, the outer ring 106 is fitted. The left front guide roller 72 or the right front guide roller 73 can smoothly rotate via the rollers 107 and 107.

  Since the carriage 70 including the left front guide roller 72 and the right front guide roller 73 includes the slider portion 92 that can slide on the slider sliding plate 145 at the lower portion, the left conveyor chain 97 and the right conveyor chain By pulling 98 in the chart direction, the carriage 70 can be moved in the table direction. At this time, the second guide rail 30, the second rear cylinder 32, the third guide rail 40, the third rear cylinder 42, and the carriage moving mechanism 140 are stationary, the left front guide roller 72, the right front guide roller 73, the slider portion 92, the left The carriage 70 including the conveyor chain 97 and the right conveyor chain 98 moves.

  3 is a cross-sectional view taken along line 3-3 of FIG. 1, and the first guide rail 20 is attached to the tip of the cylinder rod 23 of the first rear cylinder 22 attached to the floor 11 with a foundation bolt 33 and to the lower surface 24. By fixing the connecting member 36 with the pin 37, it is supported on the floor 11 so as to be movable up and down.

  The fourth guide rail 60 is fixed to the floor 11 by fixing the tip of the cylinder rod 63 of the fourth rear cylinder 62 attached to the floor 11 with the foundation bolt 33 and the connecting member 36 attached to the lower surface 64 with the pin 37. It is supported so that it can be raised and lowered.

  The first guide rail 20 has a substantially rectangular cross section, and has convex guides 25, 25 formed at both upper ends, and a guide roller running surface 26 between the guide 25 and the guide 25. Similarly, the fourth guide rail 60 has a substantially rectangular cross section, and has convex guides 65, 65 formed at both upper ends, and a guide roller between the guide 65 and the guide 65. A running surface 66 is provided.

  In the rear part 111, the carriage 70 includes a left rear fixed shaft 115 attached by a nut 76 to an inner ring 75 of a left rear bearing 114 that is, for example, a self-aligning roller bearing built in the left rear guide roller 112, and a right rear guide roller 113. For example, the right rear fixed shaft 117 attached to the inner ring 75 of the right rear bearing 116, which is a self-aligning roller bearing built in the nut, by the nut 76, the left rear fixed shaft 115, and the right rear fixed shaft 117 are connected to the rear fixed shaft support member 118. , 118, a U-shaped longitudinal beam 83 mounted on the rear support beam 119, a vehicle body rear support beam 121 mounted on the longitudinal beam 83, and the vehicle body rear It comprises four vehicle body fixing plates 123 attached to both upper ends of the support beam 121 via four support plates 122, and two holes 124, 12 opened in the rear support beam 119. Comprising fitting the beam connection rod 88 extended from the front support beam (FIG. 2 reference numeral 82) on.

  The left rear bearing 114 and the right rear bearing 116 have been described as self-aligning roller bearings, but self-aligning ball bearings may be employed.

  Since the inner ring 75 of the left rear bearing 114 built in the left rear guide roller 112 or the right rear bearing 116 built in the right rear guide roller 113 is fixed to the left rear fixed shaft 115 or the right rear fixed shaft 117 by the nut 76, The left rear guide roller 112 or the right rear guide roller 113 in which the outer ring 106 is fitted can smoothly rotate via the rollers 107 and 107.

  The carriage 70 including the left rear guide roller 112 and the right rear guide roller 113 includes a slider portion 92 that can slide on the slider sliding plate 145 at the lower portion. When the conveyor chain 98 is pulled in the diagram direction, the carriage 70 can be moved in the table direction. At this time, the first guide rail 20, the first rear cylinder 22, the fourth guide rail 60, the fourth rear cylinder 62, and the carriage moving mechanism 140 are stationary, and the left rear guide roller 112, the right rear guide roller 113, and the slider portion 92 are stationary. The carriage 70 including the left conveyor chain 97 and the right conveyor chain 98 moves.

  4 is a cross-sectional view taken along line 4-4 of FIG. 1. The slider portion 92 is placed on a slider sliding plate 145 and provided with a left conveyor chain 97 and a right conveyor chain 98, respectively, and recessed portions at the bottom and top, respectively. The ball stud 131 includes a slider body 93 formed with 125 and a recess 126, a block 127 fitted into the recess 126, a connecting rod 128 extending upward from the block 127, and a sphere 129 formed at the upper end of the connecting rod 128. And a ball case 132 made of, for example, polyacetal provided so as to cover the sphere 129, and a case 134 made of, for example, steel having a flange 133 at the upper end.

The material of the ball sheet 132 has been described as being made of polyacetal, but since polyethylene can be adopted, it may be changed to another resin material.
Moreover, although the material of the case 134 is made of steel, it may be made of non-ferrous or non-ferrous alloy.

The slider portion 92 can be integrated with the carriage 70 by attaching the flange 133 and the interval adjusting member 135 to the lower portion of the longitudinal beam 83 with the attachment bolt 89 and the attachment nut 91.
136 is a ball stud mounting bolt, 137 is a ball stud mounting nut, and 138 is a stopper.

  Since the slider portion 92 includes the sphere 129 and the ball seat 132, the case 134 can be moved in a swingable and slidable manner.

  Here, in FIG. 1, for example, when it is desired to tilt the carriage 70 on which the vehicle body 13 is mounted to the left, the first front cylinder 21 and the first rear cylinder 22, the second front cylinder 31 and the second rear cylinder 32, The first guide rail 20 and the second guide rail 30 are lowered, and the third front cylinder 41 and the third rear cylinder 42 (not shown) and the fourth front cylinder 61 and the fourth rear cylinder 62 (not shown) The 3 guide rail 40 and the 4th guide rail 60 are raised.

  In FIG. 4 again, in the above-described state, the case 134 of the slider portion 92 can be inclined leftward by θ with respect to the center point P of the sphere 129.

  At the same time, in FIG. 2, the left front guide roller 72 or the right front guide roller 73 incorporates, for example, a left front bearing 74 or a right front bearing 78 which is a self-aligning roller bearing, so that the cart is based on the center point P of the sphere 129. When 70 is inclined leftward by θ, the inner ring 75 and the rollers 107 and 107 connected to the carriage 70 are inclined by θ, but the outer ring 106 and the left front guide roller 72 or the right front guide roller 73 are the second guide rail 30 or The third guide rail 40 can be contacted while being parallel.

  Further, in FIG. 3 at the same time as described above, the left rear guide roller 112 or the right rear guide roller 113 incorporates, for example, the left rear bearing 114 or the right rear bearing 116 which is a self-aligning roller bearing. When the cart 70 tilts leftward by θ with respect to the center point P, the inner ring 75 and the rollers 107 and 107 connected to the cart 70 tilt by θ, but the outer ring 106 and the left rear guide roller 112 or right rear The guide roller 113 can come into contact with the first guide rail 20 or the fourth guide rail 60 while being in parallel.

That is, even if the carriage 70 is tilted leftward by θ, the left rear guide roller 112, the left front guide roller (reference numeral 72 in FIG. 2), the right front guide roller (reference numeral 73 in FIG. 2), and the right rear guide roller 113 are Guide roller travel surface 26 of the guide rail 20, guide roller travel surface (reference numeral 39 in FIG. 2) of the second guide rail (reference numeral 30 in FIG. 2), guide roller travel surface of the third guide rail (reference numeral 40 in FIG. 2) (FIG. 2). Symbol 46), since the guide roller traveling surface 66 of the fourth guide rail 60 is stably contacted, it is possible to stabilize the conveying work performed in a state where the vehicle body is inclined.
Next, the operation of the above configuration will be described.

FIG. 5 is an explanatory view of the operation of the vehicle body conveying device according to the present invention before tilting. In FIG. 5A, for example, there is a vehicle body 13 performing a water washing operation after electrodeposition coating. A water drain hole 153 is formed in the bottom.
154 is the front left of the vehicle body, 155 is the rear right of the vehicle body, and 156 is the rear left of the vehicle body.

  In (b), the first guide rail 20, the second guide rail 30, the third guide rail 40, and the fourth guide rail 60 are provided from the bottom of the figure, and the first guide rail 20, the second guide rail 30, and the third guide are provided. On the rail 40 and the fourth guide rail 60, a left rear guide roller 112, a left front guide roller 72, a right front guide roller 73, and a right rear guide roller 113 provided on the carriage 70 are placed.

  While the second guide rail 30 and the fourth guide rail 60 remain stationary, the first guide rail 20 is raised by the first front cylinder (reference numeral 21 in FIG. 1) and the first rear cylinder (reference numeral 22 in FIG. 1), The three guide rails 40 are lowered by the third front cylinder (reference numeral 41 in FIG. 1) and the third rear cylinder (reference numeral 42 in FIG. 1). The heights of the first guide rail 20, the second guide rail 30, the third guide rail 40, and the fourth guide rail 60 at this time will be described with reference to the following drawings.

  6A and 6B are explanatory views of the operation of the vehicle body conveying device according to the present invention after tilting. FIG. 6A is a sectional view taken along the line 6a-6a in FIG. 5B, and FIG. This corresponds to a sectional view taken along line 6b.

  In (a), when the axis of the guide roller mounted on the guide rail coincides with the reference line, the neutral height is set, and when the axis of the guide roller is above the reference line, the upper level is set. Is lower than the reference line, the left front guide roller 72 placed on the second guide rail 30 is at a neutral height, and the right front guide roller 73 placed on the third guide rail 40 is from the reference line 157. It is lower by L1.

  In (b), the left rear guide roller 112 mounted on the first guide rail 20 is higher by L2 than the reference line 158, and the right rear guide roller 113 mounted on the fourth guide rail 60 is at a neutral height.

  In (c), the positions of the left front guide roller 72, the right front guide roller 73, the left rear guide roller 112, and the right rear guide roller 113 of (a) and (b) are shown corresponding to each part of the vehicle body 13. Since the left front 154 has a neutral height, the vehicle body front right 152 has a lower position, the vehicle body left rear 156 has an upper position, and the vehicle body right rear 155 has a neutral height, the vehicle body 13 is inclined to the lower right front. Therefore, the water accumulated inside the vehicle body 13 can be discharged from the drain hole 153 provided in the vehicle body front right 152 as shown by the arrow (1).

  In this example, the leaning form of the vehicle body 13 has been described only with the right front lowering. However, the other leaning forms are left front falling, right rear falling, left rear falling, front falling, rear falling, right falling, and left falling. One pattern can be assumed. Although these detailed explanations are omitted, all patterns of the inclined form of the vehicle body 13 are shown in the following table.

  Patterns 1-8 in Table 1 are shown in FIG. 1 by the controller 150 using the first front cylinder 21, the first rear cylinder 22, the second front cylinder 31, the second rear cylinder 32, the third front cylinder 41, and The strokes of the third rear cylinder 42, the fourth front cylinder 61, and the fourth rear cylinder 62 are controlled, and the first guide rail 20, the second guide rail 30, the third guide rail 40, and the fourth guide rail 60 are controlled. This can be done by adjusting the height.

  The conveying device 10 has a height of four guide rails configured by the first guide rail 20, the second guide rail 30, the third guide rail 40, and the fourth guide rail 60 corresponding to the required inclination form. Therefore, the vehicle body 13 can be tilted freely according to a command from the controller 150. Therefore, an optimum inclination can be set for each vehicle body 13, so that water attached to the vehicle body 13 can be discharged efficiently. Therefore, it is possible to provide the transport apparatus 10 that can easily obtain the tilt posture required from various vehicle types.

  Further, since the transport device 10 includes the guide rail group 12 including the first guide rail 20, the second guide rail 30, the third guide rail 40, and the fourth guide rail 60, which are four guide rails, the vehicle body 13 Can be tilted in a desired direction. Therefore, the water adhering to the vehicle body 13 and the water accumulated inside the vehicle body 13 can be easily discharged.

  The carriage 70 includes a left front guide roller 72 and a right front guide roller that respectively run on the first guide rail 20, the second guide rail 30, the third guide rail 40, and the fourth guide rail 60, which are four guide rails. 73, the left rear guide roller 112, and the right rear guide roller 113 are provided, so that the carriage can run smoothly.

  Furthermore, since the required inclination form is determined according to the type of the vehicle body 13 to be conveyed in the transport device 10, the first inclination is determined for each vehicle body of various types of vehicle bodies (SUV, sedan, sports, etc.). The heights of the four guide rails constituted by the guide rail 20, the second guide rail 30, the third guide rail 40, and the fourth guide rail 60 can be freely adjusted. Therefore, an optimum inclination can be set for each type of vehicle body.

  The transfer device 10 described so far can use four guide rails to make the vehicle body tilt in a desired form. However, when the drain hole is limited to the left and right sides of the vehicle body, the guide rail is 2 I need a book. Next, an embodiment of a transport device composed of two guide rails will be described.

FIG. 7 is a diagram showing a modified embodiment of FIG. 1, and the same reference numerals are used for the same structure as in FIG.
The transport device 10B travels on the first guide rail 161 and the second guide rail 162, which are two guide rails supported by the floor 11 so as to be movable up and down, and on the first guide rail 161 and the second guide rail 162. A carriage 70B that is freely supported and mounts the vehicle body 13, and a carriage moving mechanism 140 provided on the floor 11 for moving the carriage 70B along the first guide rail 161 and the second guide rail 162; It is characterized by comprising a controller 150 as a control unit for controlling the height of the first guide rail 161 and the second guide rail 162 corresponding to the required inclination form.

  In addition, the first guide rail 161 is supported by a first front cylinder 163 and a first rear cylinder 164 that are stroke-controllable, for example, provided on the floor 11 so as to be movable up and down, and the second guide rail 162 is moved by a carriage. For example, an electrically driven second front cylinder 165 and a second rear cylinder 166 (not shown), which are provided on the back side of the mechanism 140 and are provided on the floor 11 and capable of stroke control, are supported to be movable up and down.

  Although the first front cylinder 163, the first rear cylinder 164, the second front cylinder 165, and the second rear cylinder 166 have been described as electric cylinders, pneumatic cylinders and hydraulic cylinders capable of stroke control are employed. Can be changed to other types of actuators.

  The controller 150 is connected to the first front cylinder 163, the first rear cylinder 164, the second front cylinder 165, and the second rear cylinder 166 (not shown) by four cables 151. It is a device that controls the stroke.

  Further, the carriage 70B includes a left front guide roller 167 and a left rear guide roller 168 that run on the first guide rail 161, and a right front guide roller 169 and a right rear guide roller 171 that run on the second guide rail 162 (not illustrated). As shown).

  The structure of the first guide rail 161 and the second guide rail 162, the structure of the left front guide roller 167, the left rear guide roller 168, the right front guide roller 169, and the right rear guide roller 171 (not shown), the structure of the carriage moving mechanism 140 Since the structure of the slider portion 92 is the same as that of the above-described carriage 70, description thereof is omitted.

  8 is an explanatory diagram of the operation of FIG. 7, and (a) corresponds to a sectional view taken along line 8a-8a of FIG.

  In (a), the first guide rail 161 is lowered by returning the cylinder rod 172 of the first front cylinder 163 as shown by the arrow (2), and the cylinder rod 173 of the second front cylinder 165 is moved by the arrow (3 ) To raise the second guide rail 162. At this time, the cylinder rod of the first rear cylinder (reference numeral 164 in FIG. 7) is returned together with the cylinder rod 172 of the first front cylinder 163, and the cylinder rod of the second rear cylinder is the cylinder rod of the second front cylinder 165. 173 and pressed together.

In (b), since the cart 70B is tilted to the left by θ with respect to the center point P of the sphere 129 built in the slider portion 92, the vehicle body 13 can be tilted downward to the left.
(C) is an enlarged view of part c of (b), and the water accumulated inside the vehicle body 13 is discharged from a drain hole 174 provided on the left side of the vehicle body 13 as indicated by an arrow (4).
Reference numeral 175 denotes a vehicle body fixing nut.

  In this example, the drain hole 174 is provided on the left side of the vehicle body 13, but the conveying device 10 </ b> B tilts the vehicle body 13 downwardly even when the drain hole 174 is provided on the right side of the vehicle body 13. Thus, the water accumulated inside the vehicle body 13 can be discharged.

  Since the transport device 10B is provided with the first guide rail 161 and the second guide rail 162, which are two guide rails supporting the carriage 70B, and the carriage moving mechanism 140 on the floor 11, maintenance work can be easily performed. Can do.

  In addition, although the vehicle body transported by the transport device of the present invention is a passenger car body in the embodiment, it can also be applied to a bus body or a truck body, and can be applied to a general vehicle body. There is no problem.

  The conveyance device of the present invention is suitable for inclined conveyance of a vehicle body of a passenger car.

It is a perspective view of the conveyance apparatus of the vehicle body concerning this invention. FIG. 2 is a sectional view taken along line 2-2 of FIG. FIG. 3 is a sectional view taken along line 3-3 in FIG. 1. FIG. 4 is a sectional view taken along line 4-4 of FIG. It is operation | movement explanatory drawing before the inclination of the conveying apparatus of the vehicle body which concerns on this invention. It is action explanatory drawing after the inclination of the conveying apparatus of the vehicle body which concerns on this invention. FIG. 2 is a modified embodiment diagram of FIG. 1. FIG. 8 is an operation explanatory diagram of FIG. 7. It is a figure explaining the basic principle of the prior art.

Explanation of symbols

  DESCRIPTION OF SYMBOLS 10, 10B ... Conveying device, 11 ... Floor, 12 ... Guide rail group, 13 ... Vehicle body, 20, 161 ... First guide rail, 30, 162 ... Second guide rail, 40 ... Third guide rail, 60 ... Fourth Guide rail, 70, 70B ... cart, 72,167 ... left front guide roller, 73,169 ... right front guide roller, 92 ... slider section, 97 ... left conveyor chain, 98 ... right conveyor chain, 112,168 ... left rear guide roller 113, 171 ... right rear guide roller, 129 ... sphere, 131 ... ball stud, 132 ... ball seat, 134 ... case, 140 ... carriage moving mechanism, 142 ... conveyor rail, 145 ... slider sliding plate, 150 ... controller, 152: right front of vehicle, 153, 174 ... drain hole, 154 ... left front of vehicle, 155 ... right rear of vehicle, 156 ... left rear of vehicle

Claims (4)

In the vehicle body conveying apparatus that can convey the vehicle body in an inclined state,
The transport device includes a plurality of guide rails supported on a floor so as to be movable up and down, a carriage that is supported by the guide rails so as to run freely, and the carriage is moved along the plurality of guide rails. In order to achieve this, a vehicle body transport device comprising: a carriage moving mechanism provided on the floor; and a control unit that controls the heights of the plurality of guide rails in accordance with a required inclination form. .   The vehicle body conveying device according to claim 1, wherein the plurality of guide rails are configured by four guide rails when viewed from the front of the carriage.   3. The vehicle body conveying apparatus according to claim 2, wherein the carriage includes guide rollers that respectively travel on the four guide rails.   2. The vehicle body conveying apparatus according to claim 1, wherein the required inclination is determined in accordance with the type of the vehicle body to be conveyed.

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