JP4673671B2 - Conveyor cart device - Google Patents

Description

  The present invention relates to a transport cart apparatus that allows a transported object to stand up and be lowered at a moving position after the transported object is loaded and moved in a state in which the cradle is laid down.

  Conventionally, when handling relatively large-sized articles such as control equipment and large household electrical appliances as this type of transport cart device, it is unstable when moving the transported article, There may be restrictions such as moving to a place where the height of the transported object is limited.

  Further, when such a relatively large transported article is loaded on the carriage and transported, the transported article is laid down and returned to an upright state as necessary. In this way, when a conveyed product is laid sideways and conveyed, it has been required that the laying down operation and the moving operation of the conveyed product can be performed easily and safely.

  Therefore, for example, in the case of a transported object that is a relatively large structure, a transport cart apparatus in which two devices are used as one set is used to facilitate transport or perform the transported object laying work relatively safely. Thus, a transport cart apparatus that can perform the above has been realized. (See Patent Document 1).

  The conveyance cart apparatus shown by this patent document 1 is demonstrated with reference to FIG.

  The transport cart apparatus shown in FIG. 7A uses two transport cart apparatuses, a first transport cart apparatus 1A and a second transport cart apparatus 1B, as a set for transporting the transported object 1. The first transport cart apparatus 1A is used by a first transport cart apparatus 1A and a second transport cart apparatus 1B that support a relatively large transport object 1 from both sides before and after the transport object 1. It is done. 1 A of 1st conveyance trolley apparatuses have the horseshoe-shaped leg part 3 by which the front was open | released, The pair of right and left forks 5 can be raised / lowered above this leg part 3 via the hydraulic lifting mechanism 4 Is provided. The first transport carriage device 1A is a type that travels and moves by hand, and includes a wheel 6 at the tip of the leg 3, a caster 7 behind the leg 3, and a handle 8 for pushing.

  On the other hand, the transported object 1 includes a fork jig having a support portion 11 that rotatably supports the horizontal shaft 9 of a transported object jig 10 having a horizontal shaft 9 attached to the front lower side and the rear upper side. 12. Moreover, the caster 13 and 14 for own sideways conveyance is provided in the side surface side of the conveyed product 1.

  The first transport cart apparatus 1A supports the lower front side and the rear upper side of the first transport cart apparatus 1A via the fork jig 12 and the gantry jig 10, respectively. The bottom rear end 15 is landed on the ground 16, and the conveyed product 1 is rotated around the bottom rear end 15 as a fulcrum so as to be able to fall over.

  The second transport cart apparatus 1B has the same configuration as the first transport cart apparatus 1A, and the first transport cart apparatus 1A is handled at the same time as the first transport cart apparatus 1A is handled. Symmetrically, the second transport carriage device 1B is handled.

Then, as shown in FIG. 7 (A), the vertically long conveyed object 1 is forked from both sides by the two conveying cart apparatuses 1A and 1B with respect to the conveyed object 1 by both conveying cart apparatuses 1A and 1B. 5, the stage of supporting the transported object 1 on the transported object jig 10, and the stage of inclining the transported object 1 as shown in FIG. 7B, that is, both transport cart apparatuses 1 </ b> A and 1 </ b> B. The fork 5 of the transport carriage device 1A is gradually raised while at least one of the two is separated from the other, while the fork 5 of the transport carriage device 1B is moved so as to be gradually lowered. Next, as shown in FIG. 7C, when the forks 5 reach their intended positions, the conveyed product 1 comes to a substantially horizontal position. Therefore, the conveyed product 1 can be moved by its own sideways conveying casters 13 and 14.
JP 2000-351426 A

  According to the transport cart apparatus that includes both transport cart apparatuses 1A and 1B as a set, two transport cart apparatuses are required to lie down one transported object. In addition, when handling each transport carriage device, when one operator handles two transport cart devices, the handling operation of each one transport cart device is different, and several times. The handling operability of the transportation cart apparatus is extremely troublesome, such as having to move from one to the other transportation cart apparatus side, and there is also a problem in safety during the work.

  The present invention has been made in view of the above circumstances, and an object of the present invention is to provide a transport cart apparatus that can easily and safely carry over a transported object using a single transport cart apparatus.

In order to achieve the above object, according to the present invention, there is provided a main body having a front caster and a rear caster on the side in contact with the ground, and a flat upper surface provided in a substantially horizontal state, and the flat surface of the main body. is placed at a predetermined position on the upper surface, and the placed on a predetermined position L-shaped provided rotatably elevation direction from the pedestal, one end of which is pivotally supported on the carriage body side, and a rotating operation comprising a ground capable provided with anti-tip device, the carriage body has, on its rear caster side, the L-shaped receiving platform is pivotally supported by a pivot shaft and the fall prevention member is pivotally supported pivot and a shaft, the L-shaped cradle is placed on the flat surface of the carriage body, and a flat horizontal cradle portion the rear caster side is supported by the rotary shaft, the horizontal cradle portion From the rear caster side, an upright stand that is provided at a substantially right angle For example, a bearing portion provided in the horizontal cradle section enables rotation of the elevating direction by being pivotally supported by the rotary shaft, the anti-tip device comprises a frame portion, the frame portion And a bearing portion provided at the bent portion is pivotally supported by the rotating shaft to perform the rotating operation, and the frame body portion is maintained in a grounded state. Thus, there is provided a transport cart apparatus characterized by including a fall prevention tool stopper means.

  ADVANTAGE OF THE INVENTION According to this invention, the conveyance trolley apparatus which can perform the fall work of a conveyed product simply and safely using one conveyance trolley apparatus can be provided.

  DESCRIPTION OF EMBODIMENTS Embodiments of a transport carriage apparatus according to the present invention will be described with reference to the accompanying drawings.

  FIG. 1 is a diagram showing an outline of a transport cart apparatus of the present invention.

  FIG. 2 is an enlarged side view showing a cross section of a main part of the rotation shaft portion of the L-shaped cradle and the overturn prevention device in the transport carriage device of FIG.

  FIG. 3 is an enlarged side view showing a main part of the rotation shaft portion of the L-shaped cradle in the transport carriage device of FIG.

  FIG. 4 is an enlarged cross-sectional view of a main part showing a state in which a carriage operation handle is attached in the transport carriage apparatus of FIG. 1.

  FIG. 5 is a side view showing a handling example of transporting a transported object using the transport cart apparatus of the present invention.

  FIG. 6 is a view showing an example of handling a transported object using the transport cart apparatus of the present invention, and FIG. 6A shows a state in which the transported object is loaded and moved. (B) shows the state where the fall prevention device is installed at the position where the conveyed product is lowered. Moreover, (C) shows the state which rotated the receiving stand to the position in the middle after installing the fall prevention apparatus. (D) shows a state in which the conveyed product is lowered from the cradle after the fall prevention device rotates to a predetermined position.

  1 is mounted at a predetermined position on a flat upper surface of the carriage main body 22 having a front caster 21a and a rear caster 21b in contact with the ground G at a lower portion, and a flat upper surface of the carriage main body 22. The L-shaped pedestal 23 is provided so as to be able to turn in the up-and-down direction from the predetermined position on which it is placed, and one end side is pivotally supported on the cart body 22 side, and is provided so as to be able to turn to a position where the standing cradle part contacts the ground. And a fall prevention tool 24.

  The carriage main body 22 is a flat body provided with a front caster 21a and a rear caster 21b on the side in contact with the ground G, and is provided in a state where the upper surface is substantially horizontal with the front caster 21a and the rear caster 21b grounded. . The bogie body 22 includes two long base frames 25a and 25b, a bogie frame body 25 that is spanned between the base frames 25a and 25b, and is firmly coupled. It is comprised from the caster 21 provided in the lower part.

  Specifically, as shown in FIG. 1, a cart having two long base frames 25a and 25b, and a coupling member 25c that crosses the two base frames 25a and 25b and is firmly bonded. A frame 25, a pair of front casters 21a and rear casters 21b provided at the front (in the direction of the arrow in FIG. 1) and the rear of the bottom of the carriage frame 25, and as shown in FIG. 25, a damper device 34 provided straddling between an intermediate portion of the coupling member 25c and a lower portion of the frame portion 24a of the fall prevention device 24, and a base of the carriage frame 25 as shown in FIGS. The gear unit 27 is provided across the frames 25a and 25b.

  The bogie frame 25 is configured to be flat by a grid frame having relatively high strength, and is brought into a substantially horizontal state by grounding the front caster 21a and the rear caster 21b to the ground G. The carriage frame 25 is configured in a lattice-like frame structure, and is a flat horizontal cradle 40 that is placed in a substantially horizontal state, and a stand that is erected substantially vertically from the rear end side of the horizontal cradle 40. It is comprised from the base part 41. FIG.

  The rear caster 21b provided at the lower portion of the carriage frame 25 is provided with a locking pin insertion hole 21b1 through which a locking pin 38 used for a fall prevention tool stopper means 37 described later is inserted.

  Specifically, as shown in FIG. 2, the damper device 34 straddles between the bearing portion 24 e on the frame body portion 24 a side of the fall prevention tool 24 and the bearing portion 25 c 1 of the coupling member 25 c of the carriage frame body 25. In order to obtain a smooth rotating action until the L-shaped pedestal 23 placed on the upper surface of the carriage frame 25 is rotated in the up-and-down direction and is grounded. Provided.

  Specifically, as shown in FIGS. 2 and 3, the gear device 27 is provided so as to be rotatable about a rotation shaft P <b> 1 installed between the base frames 25 a and 25 b. The drive gear 30 and the rotation shaft P1 are provided in the vicinity of the rotation shaft P1. Similarly to the rotation shaft P1, the rotation shaft P2 provided between the base frames 25a and 25b is rotated around the rotation shaft P2. A driven gear 31 that is movable and transmits a driving force according to the driving of the driving gear 30, and a rotating shaft P1 of the driving gear 30 to transmit the driving force to the driving gear 30 as shown in FIGS. It is comprised from the drive gear rotation handle 32 connected.

  The drive gear rotation handle 32 rotates the handle portion 32a clockwise (in the direction of arrow a), thereby driving the drive gear 30 interlocked with the main shaft portion 32b in the direction of arrow h with the rotation axis P1 as the axis. It rotates.

  The driven gear 31 rotates in the direction of arrow i with the rotation shaft P2 as the axis as the drive gear 30 rotates. Accordingly, when the drive gear 30 is driven to rotate, the L-shaped cradle 23 rotates in conjunction with the drive gear 30. On the other hand, the L-shaped cradle 23 is placed on the flat surface of the carriage body 22 and the rear caster 21b side is supported by the pivot shaft P2, and the rear part of the horizontal cradle part 40. And an upright receiving base 41 provided to stand at a substantially right angle from the caster 21b side.

  Each of the horizontal cradle part 40 and the upright cradle part 41 is a structure that is constructed using an angle-shaped frame. The horizontal cradle unit 40 and the upright cradle unit 41 employ a frame-structured structure, thereby reducing the overall weight and further improving the strength as compared with the case of using a plate-shaped structure. Can do.

  The horizontal receiving portion 40 is provided with a bearing portion 40a at the bottom, and is provided so as to be rotatable in the elevation direction with the rotation axis P2 on the side of the carriage frame 25 as an axis.

  Also, the L-shaped cradle 23 is an upright cradle that is in direct contact with the upper surface of the horizontal cradle 40 that receives the gravity of the transported object H and the side wall surface of the transported object H when the transported object H is moving. A buffer layer 42 such as felt is provided on the surface of the portion 41. By providing the buffer layer 42, vibration generated when the transported object H is placed on or lowered from the L-shaped cradle 23, or when the transported object H is damaged during the transport, or when frictional vibration occurs. Sound and frictional noise can be suppressed.

  Further, as shown in FIG. 1, a carriage operation handle 35 is detachably attached to the bottom of the horizontal receiving base 40 as necessary. As shown in FIG. 4, the cart operating handle 35 is detachably attached to a cart operating handle stopper 36 provided in the horizontal receiving portion 40 of the L-shaped receiving base 23.

  The cart operating handle 35 is engaged and disengaged with respect to the raised portions 36a1 and 36a2 provided above and below the opening 36a of the cart operating handle stopper 36 by changing the direction of the tip 35a of the cart operating handle 35. be able to. Therefore, the handle portion 35b of the carriage operation handle 35 is not easily detached by applying a slight force in the direction of the arrow f shown in FIG. Moreover, the tip part 35a can be easily removed from the cart operation handle stopper 36 side by applying a slight force to the handle part 35b in the opposite direction.

  Next, as shown in FIG. 1, the fall prevention tool 24 includes a frame-shaped frame body portion 24 a and a handle portion 24 b provided by projecting the upper portion of the frame body portion 24 a. The frame-like frame body portion 24a has a bent portion 24c formed at the tip thereof, and the bent portion 24c includes a bearing portion 24d supported by the rotating shaft P2 on the cart frame body 25 side. The handle portion 24b is gradually rotated to the opposite side of the carriage body 22 if the operator holds the handle portion 24b as necessary and pulls it in the direction of the arrow c in FIG. That is, the overturn prevention tool 24 can be rotated in the direction indicated by the arrow d to ground the frame body portion 24a side to the ground G indicated by an imaginary line.

  In addition, when the frame body portion 24a is grounded, the frame body portion 24a serves as a support for the ground G side, and prevents the entire carriage device from being inverted and falling, and prevents the carriage device itself from slipping. It works that can be done.

  Specifically, as shown in FIG. 2, when the frame body portion 24a of the toppling prevention device 24 rotates in the direction of the arrow d and is grounded, even when a small external force such as vibration is applied from this position. A coiled spring 43 is used as a fall prevention tool stopper means so as not to float. As shown by the dotted line in FIG. 2, the coil spring 43 is inserted into the rotating shaft P2 in a compressed state, and both ends of the coil portion are connected to the bearing portion 24d on the overturn prevention device 24 side and the L-shaped receiving portion. The base 23 is locked so as to straddle the bearing 40 a of the horizontal receiving base 40. Here, when the fall prevention tool 24 is rotated in the direction d in FIG. 2, the urging force of the coiled spring 43 works, and the frame portion 24a of the fall prevention tool 24 prevents the floating from the ground G. can do.

  Further, as the fall prevention tool stopper means, when the fall prevention tool 24 comes into contact with the ground G, the frame body portion 24a of the fall prevention tool 24 is levitated from the ground G depending on the inclination of the ground G or the unevenness. In order to prevent this from happening, a fall prevention tool stopper means 37 is provided. As shown by the alternate long and short dash line in FIG. 2, the fall prevention tool stopper means 37 includes a latch pin insertion hole 24f1 of a latch pin holding part 24f provided at the bottom of the fall prevention tool 24 side, and an engagement on the rear caster 21b side. A rod-shaped locking pin 38 (shown in front in FIG. 2) is inserted through the common central axis of both holes 24f1, 21b1 with the stop pin insertion hole 21b1.

  With this configuration, when an external force is applied to lift the fall prevention tool 24 from the grounded state in the elevation direction, it is suppressed by the locking pin 38. Therefore, the overturn prevention tool 24 prevents the entire transport carriage device 20 from overturning when the L-shaped cradle 23 is rotated in the up-and-down direction together with the transport object H with the pivot axis P2 on the cart frame body 25 side as an axis. The action can be obtained.

  Note that reference numeral 45 shown in FIG. 5 is a fastening band that integrally tightens the conveyed product H together with the horizontal cradle unit 40 when the conveyed product H is loaded on the L-shaped pedestal 23. Reference numeral 50 denotes a safety conveying means attached to the front of the conveyed object H during the conveying operation of the conveyed object H, and includes a caution display flag 50a, a contact sensor 50b, an optical sensor 50c, an alarm device 50d, and a power supply device 50e. It is an integrated safety transport kit. The safe transport kit 50 is attached to a required position in front of the transported object H when transporting the transported object H. For example, the safety transport kit 50 is hooked (not shown) so as to be hooked and hung on the upper corner of the transported object H. Equipped with ingredients.

  As shown in FIG. 5, the caution display flag 50 a of the safe transport kit 50 is in front while the transport cart device 20 is moving forward when transporting the transported object H to the transport building X, for example, the transport building X. Whether or not the tip of the flag hits whether or not a person (another worker) is alerted or passes through a part with height restrictions such as the entrance and exit of a building. It is provided so that it can be judged. The contact sensor 50b can determine, by contact, whether or not passage is possible when the transport unit H passes through a place with a height restriction such as an entrance of a building while moving the transport cart device 20 forward. To be provided.

  The optical sensor 50c detects in advance when there is a person (another worker) or an obstacle in front of the transport cart apparatus 20 while the transport cart apparatus 20 is moving forward. It is provided to call attention. In addition, the alarm device 50d is provided to notify the operator himself / herself of an abnormality through audiovisual when the caution display flag 50a, the contact sensor 50b, and the optical sensor 50c are operated exceeding a predetermined abnormality standard, for example, a buzzer, Either a chime or warning light, or a combination of these. Furthermore, the power supply device 50e is a power supply that supplies power to each of the contact sensor 50b, the optical sensor 50c, and the alarm device 50d.

  Next, the effect | action of the conveyance trolley apparatus 20 is demonstrated with reference to FIGS.

  6A and 6B are diagrams schematically illustrating an example of use of the transport carriage apparatus of the present invention, in which FIG. 6A illustrates a state in which the transport object H is loaded and stopped at a desired position, and FIG. The figure which shows the state before a start, (C) is a figure which shows the state in the time of standing of a conveyed product, (D) is a figure which shows the state of the standing completion of a conveyed product.

  When transporting the transported object H to a predetermined place, the transported object H is loaded, for example, in a horizontal direction on the L-shaped receiving base 23 of the transporting cart apparatus 20 as shown in FIG. Then, if necessary, the transported object H is fastened with a fastening band 45 together with the horizontal receiving part 40 of the L-shaped receiving base 23 as shown in FIG. Furthermore, if necessary, the safe transport kit 50 is attached to the transported object H. With this operation, the preparation for transporting the transported object H is completed.

  Then, while the transported object H is moving, the transported object H is transported to a predetermined place while preventing collision with an obstacle or the like ahead. When the conveyed product H arrives at a predetermined place, as shown in FIGS. 2 and 6B, the fall prevention tool 24 is pulled out in the direction of the arrow d, and the frame body portion 24a of the fall prevention tool 24 is grounded to the ground G. .

  The frame body portion 24a of the fall prevention tool 24 is grounded while being subjected to the urging force in the same direction as the arrow d by the coil spring 43 shown in FIG. Further, at the time of this grounding, the frame body portion 24a of the fall prevention tool 24 can be smoothly moved by the action of the damper device 34 in the process until the ground contact with the ground. The frame body portion 24 a of the fall prevention tool 24 is in a grounded state, and is prevented from floating from the ground G side more constantly by the action of the coil spring 43.

  Next, the gear device 27 shown in FIGS. 1 and 3 is operated. That is, the drive gear rotation handle 32 is rotated in the direction of the arrow g.

  When the drive gear rotation handle 32 rotates, as shown in FIG. 3, the drive gear 30 rotates in the direction of arrow h with the rotation axis P1 as the axis. As a result, the driven gear 31 rotates in the direction of arrow i with the rotation shaft P2 as the axis as the drive gear 30 rotates. When the driven gear 31 is rotated, the L-shaped pedestal 23 interlocked with the driven gear 31 is rotated in the direction indicated by the arrow e in FIG.

  Here, when the L-shaped cradle 23 rotates in the direction of arrow e, the center of gravity of the entire transport carriage device 20 due to the weight of the L-shaped cradle 23 and the transported object H moves backward. During this movement, the frame body portion 24a of the overturn prevention tool 24 directly receives the weight of the L-shaped cradle 23 and the transported object H, so that the entire transport carriage device 20 can be prevented from falling. That is, when the center of gravity of the entire transport carriage device 20 due to the weight of the L-shaped cradle 23 and the transported object H moves rearward, the frame body portion 24a of the overturn prevention tool 24 directly receives the weight. The entire cart apparatus 20 is prevented from falling. The frame body portion 24a functions to prevent the L-shaped cradle 23 and the conveyed product H from falling in the direction of arrow e while receiving the weight of the L-shaped pedestal 23 and the conveyed product H.

  Next, as shown in FIG. 3 and FIG. 6D, when the upright receiving base 41 of the L-shaped receiving base 23 comes into contact with the ground G, the conveyed product H is placed on the L-shaped receiving base 23. Stand up again. From this state, the transfer work is completed by moving the transfer object H as indicated by the dotted arrow. When the conveyance object H has been laid down, the conveyance object H is pulled out of the upright cradle 41 of the L-shaped cradle 23 as shown by the dotted line in FIG. .

  As described above, according to the transport cart apparatus 20, the cart body 22 having the front casters 21 a and the rear casters 21 b on the side in contact with the ground G and having a flat upper surface provided in a substantially horizontal state, and the cart body 22 An L-shaped pedestal 23 that is mounted at a predetermined position on the flat upper surface, and is pivotable in the elevation direction from the mounted predetermined position, and one end side is pivotally supported on the cart body 22 side, The cart body 22 is provided with a fall prevention device 24 that can operate in the same manner as the letter-shaped pedestal so that it can be grounded, and the lower end side of the L-shaped cradle 23 is pivotally supported on the rear caster 21b side. The L-shaped pedestal 23 is mounted on a flat surface of the carriage main body 22 and the rear caster 21b side is supported by the rotary shaft P2. Rear caster 21b side of base 40 Further, the fall prevention device 24 is provided with an upright receiving base portion 41 provided to rise substantially at a right angle, and the fall prevention device 24 is a coil spring 43 serving as a fall prevention device stopper means so that the other end side is held in contact with the ground. In order to carry one conveyed product H on its side, it can be conveyed by one conveying cart device 20, while the L-shaped cradle 23 and the conveyed item are raised during the standing operation of the conveyed item at the conveying destination. It is possible to prevent the fall due to the movement of the center of gravity to the rear of the entire transport carriage device 20 due to the weight of H. Therefore, the handling of the transport carriage device 20 can be performed safely.

  Further, according to the transport carriage device 20, the rotation shaft P <b> 2 that pivotally supports the overturn prevention tool 24 and the rotation shaft P <b> 2 on the driven gear 31 side of the gear device 27 installed on the carriage frame body 25 side are By using one rotating shaft with a common core, the overall configuration of the transport carriage device 20 can be simplified and simplified.

  Further, in the transport carriage device 20, as one of the fall prevention tool stopper means 37 of the fall prevention tool 24, a locking pin insertion hole 24 f 1 of a locking pin holder 24 f provided at the bottom on the fall prevention tool 24 side, and the rear The locking pin 38 is inserted into the common central axis of the holes 24f1, 21b1 with the locking pin insertion hole 21b1 on the caster 21b side, but instead of the locking pin insertion hole 21b1 provided on the rear caster 21b side. The base frame 25a or the base frame 25b of the cart frame 25 on the cart body 22 side may be used to provide a not-shown locking pin insertion hole.

  Furthermore, according to the conveying cart apparatus 20, the cart main body 22, the L-shaped receiving base 23 which is mounted on the cart main body 22 and is provided so as to be rotatable in the up-and-down direction, and the overturn prevention supported on the cart main body 22 side. Since the tool 24 is provided so as to be separable via a rotation shaft P2 provided on the side of the carriage body 22, the carriage body 22, the L-shaped cradle 23, and the tipping prevention tool 24 are used in a state where they are separated in advance. Since it can be brought to a place, the carriage device itself has good transportability and can be assembled and used at any place.

  Furthermore, according to the transport carriage device 20, when transporting the transported object H, as shown in FIG. 5, the transported object H is fastened to the L-shaped receiving base 23 side by the fastening band 45. The fastening band 45 is not necessarily used depending on the shape and size of the conveyed product H. For example, if the transported object H is relatively small, the flatness of the ground G is good, and the stability of the loaded transported object H is good, the fastening band 45 is not particularly necessary.

  Further, according to the transport carriage device 20, the safety transport kit 50 is provided as necessary when transporting the transported object H. However, especially when there is no obstacle ahead or when handling a relatively small transported object H, do not need.

The perspective view which shows the outline | summary of the conveyance trolley | bogie apparatus of this invention. The side view which expands and shows the cross section of the principal part of the rotating shaft part of the L-shaped base in the conveyance trolley apparatus of FIG. 1, and a fall prevention apparatus. The side view which expands and shows the principal part of the rotating shaft part of the L-shaped base in the conveyance trolley apparatus of FIG. The expanded sectional view of the principal part which shows the state in which the trolley | bogie operation handle in the conveyance trolley | bogie apparatus of FIG. 1 was attached. The side view which shows the handling example which conveys a conveyed product using the conveyance trolley | bogie apparatus of this invention. BRIEF DESCRIPTION OF THE DRAWINGS It is a figure which shows the usage example of the conveyance trolley | bogie apparatus of this invention typically, (A) is a figure which shows the state which loaded the conveyed product and stopped at the desired position, (B) is the state immediately before the standing start of a conveyed product. The figure to show, (C) is a figure which shows the state in the time of standing of a conveyed product, (D) is a figure which shows the state of completion of standing of a conveyed product. It is a figure which shows the example of handling of the conveyed product by the conventional conveying cart apparatus, (A) is a figure which shows the state holding the conveyed object, (B) is a figure which shows the state which inclined the conveyed object, (C) is conveyed The figure which shows the state which laid the object sideways.

Explanation of symbols

20 Carriage Cart Device 21 Casters 21a Front Casters 21b Rear Casters 21b1, 24f1 Locking Pin Insertion Holes 22 Cart Body 23 L-Shaped Base 24 Fall Prevention Tool 24a Frame Parts 24b, 32a, 35b Handle Parts 24c Bending Parts 24d, 24e, 25c1, 40a Bearing portion 24f Locking pin holder 25 Bogie frame bodies 25a, 25b Base frame 25c Coupling member 27 Gear device 30 Drive gear 31 Drive gear 32 Drive gear rotation handle 32b Main shaft portion 34 Damper device 35 Cart operation handle 35a Tip Part 36 trolley operation handle stopper 36a opening 36a1, 36a2 raised portion 37 overturn prevention tool stopper means 38 locking pin 40 horizontal cradle part 41 upright cradle part 42 buffer layer 43 coiled spring (fall over prevention tool stopper means)
45 Fastening band 50 Safety transport kit 50a Caution display flag 50b Contact sensor 50c Optical sensor 50d Alarm device 50e Power supply device H Transported goods P1, P2 Rotating shaft G Ground X Carry-in building

Claims (9)

The main body is provided with a front caster and a rear caster on the side in contact with the ground, and a flat upper surface is provided in a substantially horizontal state, and is placed at a predetermined position on the flat upper surface of the main body. and L-shaped cradle rotatably mounted to elevation direction from a predetermined position, one end of which is pivotally supported on the carriage body side, and and a and the rotational motion provided to be grounded anti-tip device,
The carriage body is provided at its rear caster side, and a rotating shaft which the L-shaped receiving platform is pivotally supported by a pivot shaft and the fall prevention member is pivotally supported,
The L-shaped pedestal is placed on a flat surface of the cart body, and the rear caster side is supported by the rotating shaft, and a flat horizontal cradle part is supported from the rear caster side of the horizontal cradle part. An upright cradle part that is provided to stand substantially at right angles, and the bearing part provided in the horizontal cradle part is pivotally supported by the rotary shaft, thereby enabling rotation in the elevation direction.
The overturn prevention device has a frame body portion and a bent portion formed at a tip portion of the frame body portion, and a bearing portion provided in the bent portion is pivotally supported by the rotation shaft and rotates. A transport cart apparatus comprising an overturn prevention tool stopper means so as to operate and maintain the grounded state of the frame body portion . The conveying cart apparatus according to claim 1, wherein the L-shaped pedestal is configured by a frame by a frame. The rotation shaft that pivotally supports the bearing portion provided in the horizontal cradle portion of the L-shaped cradle and the bearing portion provided in the bent portion of the overturn prevention device is a single rotation shaft having a common axis. The transport cart apparatus according to claim 1, wherein: And the carriage body, and the L-shaped pedestal, the anti-tip device, respectively transport carriage according to claim 3, wherein the provided to be separated via the rotation shaft. 2. The transport cart apparatus according to claim 1, wherein a buffer layer is provided on the transport object contact surface of the L-shaped cradle. The transport cart apparatus according to claim 1, further comprising a handle portion for rotating the tipping prevention tool at a part of the tipping prevention tool. The rotating shaft provided below the rear part of the cart body has a driving gear provided below the rear part of the cart body, and a driven gear for rotating the L-shaped pedestal in the elevation direction following the driving gear. The transport cart apparatus according to claim 1, further comprising: 2. The transport cart apparatus according to claim 1, further comprising a cart operation handle that is detachably attached to a lower portion of the cart body. 9. The conveying cart apparatus according to claim 8, further comprising a cart operating handle stopper provided at a lower portion of the cart main body so that a tip end portion of the cart operating handle is detachable.

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