JP2019077390A - Component conveyance truck - Google Patents

Abstract

To make it possible to chiefly carry a component pallet and a component conveyance truck from a same direction without changing a direction of a forklift.SOLUTION: In a component conveyance truck 1, a first steering frame 4 having a pair of left and right free wheels 3, and a second steering frame 6 having a pair of left and right stationery wheels 5 are so located at a lower part of a truck body 2 as to be separated from each other in front and rear of a direction of travel x, and are respectively supported so as to be horizontally rotatable, and the first steering frame 4 and the second steering frame 6 are connected to each other by a steering link so as to be rotated in mutually opposite directions, thereby enabling four-wheel steering. A hand handle 31, which can perform a hand operation of the truck body 2, is provided at a midship part in a width direction y of the first steering frame 4, and the hand handle 31 is so shaped as to be capable of being accommodated between left and right forks 32.SELECTED DRAWING: Figure 4

Description

  The present invention relates to a component transport carriage.

  A component transport carriage is used to transport components in a factory (see, for example, Patent Document 1 and Patent Document 2).

Japanese Utility Model Application Publication No. 4-67172 Japanese Utility Model Application Publication No. 59-105577

  However, the component transfer carts described in Patent Document 1 and Patent Document 2 all have the access direction of the forklift in the case of loading / unloading parts on the truck by the forklift and in the case of transporting the truck itself by the forklift. I needed to change it. Therefore, it took time to change the direction of the forklift.

  Therefore, the present invention is mainly intended to solve the above-mentioned problems.

In order to solve the above problems, the present invention is
A first steering frame having a pair of left and right wheels, and a second steering frame having a pair of left and right wheels;
At the lower part of the bogie main body, they are arranged separately in the front and back of the traveling direction, and they are horizontally rotatably supported,
In the parts transport bogie, in which the first steering frame and the second steering frame are coupled by a steering link so as to rotate in the opposite direction to each other and four-wheel steering is possible,
In the middle of the first steering frame in the width direction, there is provided a manual push handle capable of manually pushing the bogie main body;
The manual push handle is characterized in that it is shaped to fit between the left and right forks of a forklift.

  Thus, the handlebars do not interfere with the left and right forks of the forklift.

  According to the present invention, with the above configuration, it is possible to carry the component pallet and the component transport cart from the same direction without changing the orientation of the forklift.

It is a whole perspective view of the components conveyance trolley concerning this embodiment. It is the whole perspective view which made the tow hook the sideways pulling state and looked at the components conveyance trolley of FIG. 1 from another direction. It is a whole perspective view which shows the state which four-wheel-steering the components conveyance trolley of FIG. FIG. 2 is an overall plan view of FIG. 1; FIG. 4 is an overall plan view of FIG. 3; It is a whole side view of a parts conveyance trolley. It is the figure which looked at the components conveyance trolley from the side of a steering change lever (at the time of lock release of lock mechanism). It is the figure which looked at the components conveyance trolley from the side of a steering change lever (at the time of lock of lock mechanism). FIG. 10 is a partially enlarged side view of the first steering frame at the time of unlocking of the lock mechanism similar to FIG. 7; FIG. 9 is a partial enlarged side view of a first steering frame at the time of locking of a lock mechanism similar to FIG. 8; It is a perspective view of a free wheel.

Hereinafter, the present embodiment will be described in detail with reference to the drawings.
1 to 11 are for describing this embodiment.

  <Configuration> The configuration of this embodiment will be described below.

  First, in each drawing, an arrow indicating a direction is defined as a traveling direction x, a width direction y, and an up-down direction z. These directions will be described later.

In order to transport parts in a factory, a parts transport carriage 1 as shown in FIG. 1 (to FIG. 5) is used. This parts conveyance bogie 1 mainly has a bogie main body 2 and has a first steering frame 4 having a pair of left and right wheels (free wheels 3) and a pair of left and right wheels (fixed wheels 5) The second steering frame 6 is disposed at the lower part of the truck body 2 so as to be separated in the forward and backward directions of the traveling direction x.
Further, as shown in FIG. 3 (FIG. 5), the first steering frame 4 and the second steering frame 6 are respectively supported by the bogie main body 2 so as to be horizontally rotatable.
Then, the first steering frame 4 and the second steering frame 6 are connected by the steering link 7 so as to rotate in the opposite direction to each other so that four-wheel steering is possible.

  Here, the component conveyance carriage 1 is a pallet carriage or the like capable of conveying the components together with the component pallet. Therefore, the bogie main body 2 is a horizontal and flat pallet mounting table having a shape (rectangular shape) and a size capable of mounting the component pallet. Left and right are both sides based on the center (width center line) in the width direction y of the bogie main body 2.

  The free wheel 3 is a horizontally pivotable wheel. As shown in FIG. 1 (FIG. 4), the first steering frame 4 extends in the width direction y of the bogie main body 2 when the four-wheel steering is not performed. The free wheels 3 are located on the left and right ends of the first steering frame 4.

  The fixed wheel 5 is a wheel fixed so as to face the front (traveling direction x) of the truck body 2 when four-wheel steering is not performed. The second steering frame 6 extends in the width direction y of the bogie main body 2 when the four-wheel steering is not performed.

  As shown in FIG. 4 (FIG. 5), the first steering frame 4 and the second steering frame 6 can be horizontally pivoted about vertical axes 11 and 12 at positions on the width center line of the bogie main body 2 respectively. Mounted on

  The traveling direction x is the front-rear direction when the component transport carriage 1 travels straight. The parts transport cart 1 has its front and back direction reversed depending on the working conditions. The width direction y is a direction orthogonal to the above-mentioned traveling direction x in a horizontal plane.

  The steering link 7 is on the opposite side of the first steering frame 4 and the second steering frame 6 with respect to the width center line of the bogie main body 2 and at a portion equidistant from the width center line. It connects between.

  In contrast to the basic configuration as described above, in this embodiment, the following configuration is provided.

(1) As shown in FIG. 1, at the center of the first steering frame 4 in the width direction y, a handlebar 31 capable of manually pushing the truck body 2 is provided.
Then, as shown in FIG. 4, the handlebars 31 are shaped so as to fit between the left and right forks 32 of the forklift.

  Here, the central portion in the width direction y of the first steering frame 4 is located at the central portion in the width direction y of the bogie main body 2 when the four-wheel steering is not performed in the first steering frame 4. It is. The manual handle 31 is a handle for holding the component transport carriage 1 when it is manually pressed. The hand-held handle 31 has a width dimension 34 narrower than the distance 33 between the left and right forks 32 as a whole (width dimension 34 of the hand-held handle 31 <the distance 33 of the forks 32). For example, as shown in FIG. 1, the hand-held handle 31 has a width dimension 34 at least accommodated inside the left and right forks 32, and a pair of parallel longitudinal members 31a extending in the vertical direction z, and a pair of longitudinal members It is a portal type having a cross member 31b connecting between the upper ends of 31a. Furthermore, it is assumed that the manual handle 31 does not have a portion that protrudes more laterally than the pair of vertical members 31 a. Therefore, the horizontal members 31b connect the upper ends of the pair of vertical members 31a with the same length as the distance between the pair of vertical members 31a.

  The forklift is a transport vehicle provided with the left and right forks 32 capable of moving up and down.

  (2) And, as shown in FIG. 6 and FIG. 7, a floor lock that can fix the bogie main body 2 to the floor surface at a position between the left and right forks 32 of the forklift at the lower part of the first steering frame 4 36 may be provided.

  Here, the floor lock 36 (or hammer lock) is a brake device for a truck, and is generally used on a truck. The floor lock 36 is provided with a brake lever 37 having a foot pedal for operation with the foot. And. In the floor lock 36, when the brake lever 37 is stepped on once, the brake pad 38 descends and comes into pressure contact with the floor surface, and the brake is applied. When the brake lever 37 is stepped on one more time, the brake pad 38 rises to floor. The brake is released by leaving the surface.

  (3) The tow hook 15 for towing the bogie main body 2 may be installed so as to be fitted inside the hand-operated handle 31.

  Here, the tow hook 15 is a connecting tool for connecting the component conveyance carriage 1 to the unmanned traveling carriage and connecting the component conveyance carriages 1 to each other for pulling. The tow hook 15 may be provided on the bogie main body 2 or on the first steering frame 4, but in this case, the tow hook 15 is a central portion in the first steering frame 4 width direction y In the position of, it can be raised and lowered and can be moved up and down.

  For this purpose, as shown in FIG. 2, the first steering frame 4 is sized so as to protrude in the direction of travel x with respect to the carriage body 2, and a portion 4a of the first steering frame 4 extracted from the carriage body 2 A tow hook 15 is provided at (the upper part of). In addition, the handlebar 31 is provided at a position overlapping the pulling hook 15 on the side surface of the first steering frame 4 in the traveling direction x. A connecting portion 17 for hooking the tow hook 15 is provided at the same position opposite to the tow hook 15 of the unmanned traveling carriage or the carriage main body 2 of the component conveyance carriage 1.

  The ups and downs refers to a movement (standing up and down) in which the tow hook 15 pivots up and down with respect to the traveling direction x and the up and down direction z. The up and down movement is the movement (up and down movement) of the tow hook 15 in the up and down direction z. The vertical movement of the tow hook 15 is relatively small. Vertical rotation and vertical movement can be performed simultaneously.

  And as shown in FIG. 1, the tow hook 15 is made into the magnitude | size and shape which can be accommodated completely inside the hand-operated handle 31. As shown in FIG.

  The tow hook 15 is vertically oriented so as to completely fit inside the handgrip handle 31 when not tow (when not tow or when pushing manually), and is taken out from the inside of the handgrip handle 31 when being towed and turned horizontally. The component conveyance carriage 1 has an upright holding portion 8 between the carriage main body 2 and the first steering frame 4 for holding the tow hook 15 in a standing condition. The upright holding portion 8 is provided with a locking portion 23 which can be locked from the upper side to a locking hole 22 extending in the vertical direction z provided in the carriage main body 2 in the steering switching lever 16. The steering lock is a steering lock that can restrict the horizontal rotation of the steering frame 4 directly.

  In addition, when pushing the component conveyance trolley 1 manually, the side of the 2nd steering frame 6 of the component conveyance trolley 1 becomes the front side of the advancing direction x. In the case of pulling the component conveyance carriage 1, in the component conveyance carriage 1, the side of the first steering frame 4 is on the front side in the traveling direction x.

(4) As shown in FIGS. 6 and 7, fork receiving portions 41 and 42 for receiving the left and right forks 32 of the forklift may be provided under the first steering frame 4.
And the insertion port 45 may be provided in at least one of the fork receiving parts 41.

  Here, the fork receiving portions 41 and 42 are provided to allow the component transport carriage 1 to be carried by a forklift, and receive the forks 32 when the forklift fork 32 is inserted below the component transport carriage 1. Support points provided on the first steering frame 4 so as to be able to The same fork receiving portion 43 is also provided at the lower portion of the second steering frame 6. The same fork receiving portion 44 is also provided on the side surface of the component pallet 92. The fork receiving portion 44 of the component pallet 92 is a left and right insertion port or the like provided on each of the four sides so that the forks 32 can be inserted from four directions.

  The insertion port 45 of the fork receiving portion 41 is a laterally long opening that is wider than the width dimension of the fork 32. In this case, the insertion port 45 is provided in one of the left and right fork receiving portions 41 provided at the lower portion of the first steering frame 4 (for example, the fork receiving portion 41 on the right side in FIG. 7).

(5) A lock mechanism 51 capable of individually locking and unlocking the horizontal turning of the free wheel 3 is provided on the left and right free wheels 3 as the left and right pair of wheels of the first steering frame 4 can be horizontally turned free wheels 3 It may be provided.
Further, the left and right lock operation mechanisms 52 capable of operating the lock mechanisms 51 may be provided at the lower part of the first steering frame 4.
Then, the fork receiving portions 41 and 42 may be provided on the lower side than the lock operation mechanism 52.

  Here, as shown in FIG. 11, the free wheel 3 includes a mounting plate 61 for the first steering frame 4, a vertical rotation shaft 62, a roller holder 63, a roller 64, and a horizontal axle 65. Have.

  The lock mechanism 51 includes a lock plate 53 fixed on the side of the first steering frame 4, a lock claw 54 provided on the side of the free wheel 3 so as to be able to move closer to and away from the lock plate 53, and a lock And biasing means 55 for biasing the claws 54 toward the lock plate 53. The lock plate 53 has a sliding contact surface 56 on which the lock claw 54 can slide and rotate by the horizontal turning of the free wheel 3 and a claw locking portion 57 that the lock claw 54 locks when the free wheel 3 faces the front. Have.

  More specifically, the lock plate 53 is integrally provided on the mounting plate 61. The lock plate 53 has a sliding contact surface 56 on the lower surface side of which the lock claw 54 can slide in the circumferential direction. The claw locking portion 57 is a notch provided in the lock plate 53.

  The roller holder 63 is provided with a lock lever 67 mounted so as to be able to tilt up and down via a horizontal support shaft 66. The lock lever 67 is formed by bending a metal plate. The lock claw 54 is bent so as to project upward on the tip end side of the lock lever 67. An end portion of the lock lever 67 is an operation portion 67 a operated by the lock operation mechanism 52. At both end portions of the operation portion 67a, there are tapered portions with a downward slope for guiding the lock operation mechanism 52 (the first operation lever 71 thereof) to be placed thereon.

  The biasing means 55 is a coil spring. The biasing means 55 is a lock lever 67 and a fixing bracket 68 with the fixing bracket 68 fixed to the roller holder 63 and the rod-like tilting guide 69 extending upward from the fixing bracket 68 externally fitted to the tilting guide 69. And interpose in a compressed state. The lock lever 67 is biased upward by the biasing means 55. The lock lever 67 has a hole for passing the tilting guide 69 on the tip side.

  As shown in FIGS. 7 and 9, the left and right lock operation mechanisms 52 are provided independently of each other so that the left and right lock mechanisms 51 can be operated individually. Each lock operation mechanism 52 has a first operation lever 71 extending substantially in the traveling direction x and a second operation lever 72 extending substantially in the width direction y in a state in which four-wheel steering is restricted. The first control lever 71 is pivotally supported so as to be vertically tiltable by a tilt center shaft 73 extending in the width direction y at the middle portion thereof. The second operation lever 72 is pivotally supported so as to be vertically tiltable by a tilt center shaft 74 extending in the advancing direction x at the middle portion thereof.

  Then, the second operating lever 72 is moved at the base end portion 16 b of the steering switching lever 16 with the traction hook 15 as the steering switching lever 16. When the second control lever 72 moves, the lock mechanism 51 can be operated via the first control lever 71. At this time, by setting the steering switching lever 16 in the vertical manual pressing state, the four-wheel steering is restricted and the lock of the free wheel 3 is released, and by setting the steering switching lever 16 in the horizontal traction state, The four wheels can be steered and the free wheel 3 is locked.

(6) As shown in FIG. 6 (FIG. 9), a protection part 91 capable of protecting the left and right lock operation mechanisms 52 may be provided.
Then, the fork receiving parts 41 and 42 may be provided in the lower part of the protection part 91.

  Here, the protection portion 91 is for protecting the lower part of the bogie main body 2 and the first steering frame 4 and the second steering frame 6 from the forks 32 and the like of the left and right of the forklift, and in particular, the first steering frame In 4, the second operation lever 72 of the lock operation mechanism 52 is protected by the protection portion 91. Therefore, the protection portion 91 has a vertical surface extending to a position lower than the left and right lock operating mechanisms 52, and a bottom surface extending inward in the traveling direction x from the lower end of the vertical surface. The bottom of the protection portion 91 is a fork receiving portion 41, 42.

  (7) Furthermore, as shown in FIG. 9 (FIG. 10), the first steering frame 4 may have fork receiving portions 41, 42 at positions before and after the left and right free wheels 3, respectively.

  Here, the first steering frame 4 has a first fork receiving portion 41 on the side of the traction hook 15 and a second fork receiving portion 42 on the side of the second steering frame 6. The left and right first fork receiving portions 41 and the second fork receiving portions 42 are arranged in the longitudinal direction of the forks 32 at positions inward of the left and right free wheels 3 in the width direction y.

  The same protection portion 91 (or height adjustment portion) is also provided to the fork receiving portion 43 of the second steering frame 6 in order to make the height level identical to that of the fork receiving portions 41 and 42 of the first steering frame 4. To provide

  (8) The insertion port 45 may be cylindrical.

  Here, the cylindrical insertion port 45 is formed of a rectangular cylindrical member (cylindrical insertion portion 46) having a horizontally long cross section that matches the cross-sectional shape of the fork 32. The cylindrical insertion port 45 is bridged between the fork receiving parts 41 and 42 aligned in (the front and back of) the traveling direction x.

(9) As shown in FIG. 1, the bogie main body 2 may be made to have the same shape and size as the component pallet 92 (see FIG. 6).
Then, the bogie main body 2 may be provided with a locking flange 93 capable of locking the component pallet 92 at the peripheral edge portion.
The locking flange 93 has a flange missing part 94 for passing the left and right forks 32 of the forklift in the middle part of each side of the bogie main body 2 and is provided at the corner part of each side of the bogie main body 2 You may

  Here, the bogie main body 2 has a substantially rectangular shape in the same plan view as the component pallet 92. The locking flanges 93 are provided so as to protrude above the truck body 2 with respect to the four corner portions of the truck body 2. The locking flange 93 can be formed by bending a strip-shaped metal plate into an L shape in plan view. The L-shaped locking flange 93 in plan view is attached to the position of the end of the two sides constituting each corner of the bogie main body 2.

  The flange missing portion 94 is provided in a range in which the left and right forks 32 of the forklift inserted into the fork receiving portion 44 of the component pallet 92 do not interfere with each other when the component pallet 92 is loaded onto or unloaded from the truck body 2. The flange missing portion 94 is provided on each of the four sides of the carriage body 2.

  <Operation> The operation of this embodiment will be described below.

  For example, when the component conveyance carriage 1 is pushed manually (when pushed manually), the first steering frame 4 and the second steering frame 6 are fixed to the carriage main body 2. As a result, the component conveyance carriage 1 becomes a general carriage that does not perform four-wheel steering. At this time, by releasing the lock mechanism 51 of the free wheel 3 so that the free wheel 3 can be horizontally turned, the component transport carriage 1 can freely change its direction.

  Further, for example, when the component conveyance carriage 1 is towed using an unmanned traveling carriage or the like (at the time of pulling), the first steering frame 4 and the second steering frame 6 are horizontal with respect to the carriage main body 2 Make it rotatable. As a result, the first steering frame 4 and the second steering frame 6 rotate in opposite directions to each other by the steering link 7 connecting the first steering frame 4 and the second steering frame 6. The component conveyance carriage 1 is a four-wheel steering carriage. Since small turning is effective for four-wheel steering, even in a narrow space in a factory, the parts transport cart 1 can be freely moved using the unmanned travel cart. At this time, by locking the horizontal turning of the free wheel 3 by the lock mechanism 51, the component conveyance carriage 1 can travel stably.

  Then, at the time of manual pushing, the tow hook 15 is vertically oriented and stored inside the hand-operated handle 31, and at the time of towing, the tow hook 15 is taken out from the inner side of the hand-operated handle 31 and made horizontal. This allows the tow hook 15 to be unobtrusive when not in use and to be easily removed when in use.

  Further, switching of whether to perform four-wheel steering and locking / unlocking of the free wheel 3 can be performed simultaneously by inserting and removing the tow hook 15 having the function of the steering switching lever 16.

  <Effects> According to this embodiment, the following effects can be obtained.

  (Effect 1) At the center of the first steering frame 4 in the width direction y, the handlebar 31 capable of manually pushing the component transport carriage 1 is provided. Then, the handlebars 31 are shaped to fit between the left and right forks 32 of the forklift. Alternatively, the hand-operated handle 31 has a width dimension 34 narrower than the distance 33 between the left and right forks 32.

  As a result, the handlebars 31 do not interfere with the left and right forks 32 of the forklift, so that the forklift moves from the side of the first steering frame 4 having the handlebars 31 in the traveling direction x of the component carrier 1 As a result, the component pallet 92 can be loaded and unloaded from the upper portion of the dolly main body 2.

  In addition, since there is nothing that interferes with the left and right forks 32 of the forklift in the upper part of the truck body 2 with respect to the sides in the width direction y of the parts transport cart 1, Loading and unloading is possible.

  Therefore, the restriction of the access direction of the forklift with respect to the component pallet 92 can be eliminated.

  (Effect 2) A floor lock 36 may be provided at a position below the first steering frame 4 and between the left and right forks 32 of the forklift. As a result, since the floor lock 36 does not interfere with the left and right forks 32 of the forklift, the forklift inserts the left and right forks 32 below the first steering frame 4 from the traveling direction x of the parts conveyance cart 1 You will be able to carry one.

  Further, the access direction of the forklift with respect to the bogie main body 2 can be aligned with the access direction of the forklift with respect to the component pallet 92.

  As a result, it is possible to carry the component pallet 92 and the component transport cart 1 from the same direction without changing the orientation of the forklift. Then, in the factory, the traveling route of the component conveyance cart 1 and the traveling route of the forklift are often the same, so that the forklift can access the component pallet 92 and the component conveyance cart 1 along the traveling route of the component conveyance cart 1 By doing this, it is possible to improve the workability by eliminating unnecessary flow lines. In addition, since it is not necessary to secure a space for loading and unloading by the forklift on the side of the traveling path for accessing by the forklift, the space in the factory can be effectively used.

  (Effect 3) The tow hook 15 may be installed so as to be fitted inside the hand-operated handle 31. As a result, the tow hook 15 can be accommodated in the inside of the manual handle 31 in a space efficient manner. Also, by storing the handlebars 31 inside, the tow hooks 15 can be prevented from interfering with the left and right forks 32 of the forklift.

  (Effect 4) The fork receiving portions 41 and 42 may be provided at the lower portion of the first steering frame 4. Thus, when the fork 32 of the forklift is inserted into the lower side of the first steering frame 4, the first steering frame 4 can receive the fork 32 by the fork receiving portions 41 and 42. By supporting the fork 32 without damaging the frame 4 and the carriage main body 2, the component conveyance carriage 1 can be carried in a stable state.

  Further, by providing the insertion port 45 in at least one of the fork receiving parts 41, 42, the fork 32 can be inserted into the insertion port 45 easily and reliably fork in the fork receiving parts 41, 42. 32 can be received.

  Furthermore, since at least one of the fork receiving portions 41 and 42 has the insertion port 45, lateral displacement between the fork receiving portions 41 and 42 and the fork 32 is prevented, and the fork 32 is a fork receiving portion 41 or 42. It can be prevented from coming off.

  (Effect 5) The lock mechanism 51 capable of individually locking and unlocking the horizontal turning of the left and right free wheels 3 and the left and right lock operation mechanisms 52 capable of operating the lock mechanisms 51 The lock operating mechanism 52 can be protected from the fork 32 of the forklift by providing the fork receiving portions 41 and 42 below the lock operating mechanism 52 at the lower portion.

  (Effect 6) A protective portion 91 capable of protecting the left and right lock operation mechanisms 52 may be provided. Then, the fork receiving parts 41 and 42 may be provided in the lower part of the protection part 91. As a result, the right and left lock operation mechanisms 52 can be reliably protected by the protection portion 91. Further, the fork receiving portions 41 and 42 can be provided on the first steering frame 4 with efficient space utilizing the protective portion 91.

  (Effect 7) The first steering frame 4 may have fork receiving portions 41 and 42 at positions before and after the traveling direction x of the left and right free wheels 3, respectively. Thus, the first steering frame 4 can stably receive the fork 32 of the forklift at two front and rear positions, and protects the free wheel 3, the lock mechanism 51 and the lock operation mechanism 52 from the fork 32 of the forklift be able to.

  (Effect 8) The insertion port 45 of at least one of the fork receiving portions 41 and 42 may be cylindrical. As described above, by passing the fork 32 of the forklift through the cylindrical insertion port 45, the fork 32 of the forklift can be reliably guided between the fork receiving portions 41 and 42. Further, the free wheel 3, the lock mechanism 51 and the lock operation mechanism 52 located around the cylindrical insertion port 45 can be reliably protected from the fork 32.

  (Effect 9) The bogie main body 2 has the same shape and size as the part pallet 92, and the bogie main body 2 is provided with a locking flange 93 capable of locking the part pallet 92 at its peripheral edge, and the locking flange 93 In this case, a flange missing portion 94 for passing the left and right forks 32 of the forklift may be provided at the position of the middle portion of each side of the bogie main body 2 and provided at the position of the corner portion.

  As a result, the size of the bogie main body 2 can be matched to the part pallet 92, and the corner portion of the part pallet 92 mounted on the bogie main body 2 is reliably retained by the locking flange 93, The component pallet 92 mounted on the main body 2 can be prevented from being displaced.

  In addition, the locking flange 93 can insert the left and right forks 32 of the forklift into the component pallet 92 through the portion of the flange missing portion 94 without interfering with the locking flange 93 by having the flange missing portion 94.

DESCRIPTION OF SYMBOLS 1 Parts conveyance truck 2 Bogie main body 3 Free wheel 4 1st steering frame 5 Fixed wheel 6 2nd steering frame 7 Steering link 15 Tow hook 16 Steering switching lever 31 Steering handle 32 Fork 34 Width dimension 36 Floor lock 41 Fork holder Part 42 Fork receiving part 45 Insertion port 51 Locking mechanism 52 Locking operating mechanism 71 First operating lever 72 Second operating lever 91 Protective part 92 Parts pallet 93 Locking flange x Direction of movement y Width direction z Vertical direction

Claims (9)

A first steering frame having a pair of left and right wheels, and a second steering frame having a pair of left and right wheels;
At the lower part of the bogie main body, they are arranged separately in the front and back of the traveling direction, and they are horizontally rotatably supported,
In the parts transport bogie, in which the first steering frame and the second steering frame are coupled by a steering link so as to rotate in the opposite direction to each other and four-wheel steering is possible,
In the middle of the first steering frame in the width direction, there is provided a manual push handle capable of manually pushing the bogie main body;
A parts transfer cart characterized in that the hand-push handle is shaped to fit between the left and right forks of a forklift. It is the parts conveyance truck according to claim 1,
A part transport truck characterized in that a floor lock capable of fixing a truck body to a floor surface is provided at a position below the first steering frame and between left and right forks of a forklift. It is a parts conveyance trolley according to claim 1 or claim 2,
A component transfer carriage characterized in that a tow hook for pulling the carriage main body is installed to be fitted inside the hand-push handle. It is the components conveyance trolley according to any one of claims 1 to 3, wherein
A fork receiving portion for receiving left and right forks of a forklift is provided at a lower portion of the first steering frame, and
A component transfer carriage characterized in that an insertion port is provided in at least one of the fork receiving portions. It is the components conveyance trolley according to any one of claims 1 to 4, wherein
A pair of left and right wheels of the first steering frame is a free wheel capable of horizontal turning,
The left and right free wheels are provided with a lock mechanism capable of individually locking and unlocking horizontal turning,
Providing left and right lock operation mechanisms capable of operating the respective lock mechanisms at a lower portion of the first steering frame;
A component transfer carriage characterized in that the fork receiving portion is provided below the lock operation mechanism. It is a parts conveyance truck according to claim 5,
While providing a protection unit capable of protecting the left and right lock operation mechanisms,
A part transport carriage characterized in that the fork receiving part is provided at a lower part of a protection part. It is a parts conveyance truck according to claim 5 or claim 6, wherein
A part transport truck characterized in that the first steering frame has the fork receiving portions at positions before and after the left and right free wheels. It is a parts conveyance truck according to any one of claims 4 to 7, wherein
A component transfer carriage characterized in that the insertion port is cylindrical. 9. A component transfer cart according to any one of claims 1 to 8, wherein
The carriage body has the same shape and size as the component pallet,
The bogie main body is provided with a locking flange capable of locking the component pallet at its peripheral edge, and
The locking flange has a flange missing portion for passing the left and right forks of the forklift in the middle portion of each side of the bogie main body, and is provided at the corner portion of each side of the bogie main body Parts transport cart featuring.