Trolley

Abstract

To provide a trolley with improved workability and manageability for loading and unloading between a track and a platform. [Solution] The trolley cart 100 is characterized by comprising a body section 1 capable of running on a track and equipped with wheels 12, a lifting section 2 provided on the body section 1 and capable of rising and falling in the height direction Z, and a rotatable loading platform section 3 provided on the lifting section 2 and capable of rotating in a substantially horizontal direction (a planar direction including a first horizontal direction X and a second horizontal direction Y). The trolley cart 100 may be configured so that the body section 1, lifting section 2, and rotatable loading platform section 3 are detachable from one another. The trolley cart 100 may also be equipped with a tension fixing section 4 that fixes the body section 1 and the rotatable loading platform section 3 by tension force. The trolley cart 100 may also be equipped with a rail loose-fit section 5 provided on the body section 1 and loose-fitted into a rail R.

Description

[Technical Field]

[0001] This invention relates to trolleys. [Background technology]

[0002] Currently, research is being conducted on trolleys (road-rail vehicles) that can travel on both roads and rail tracks. Traditionally, when loading or unloading approximately 500 kg of materials and equipment between stations or at boarding and alighting points onto platforms, road-rail cranes and mountain-crossing devices have been used. However, railway maintenance work requires power outages, which can disrupt train operations. Another method considered was the use of arm rolls to transport and unload materials and equipment between stations, but it was found that this method would be difficult to ensure safety. Therefore, there is a need for simple machinery that can easily load or unload materials and equipment between the track and platforms without power outages.

[0003] Patent Document 1 discloses a trolley with a fixed crane. However, lifting or unloading with a road-rail crane requires power while traveling on the track and the power supply must be stopped as described above, which creates problems with the workability of lifting or unloading between the track and the platform. Furthermore, road-rail cranes require vehicle registration, which limits the number of vehicles that can be owned, which creates problems with the manageability of lifting or unloading between the track and the platform. [Prior art documents] [Patent documents]

[0004] [Patent Document 1] Japanese Patent Application Publication No. 10-278785 Summary of the Invention [Problem to be solved by the invention]

[0005] This invention was devised in consideration of the above-mentioned problems, and its purpose is to provide a trolley that improves workability and manageability when loading and unloading cargo between the track and the platform. [Means for solving the problem]

[0006] The trolley cart of the first aspect of this invention is a trolley cart that can run on a track, and is characterized by having a body section equipped with wheels, a lifting section that is provided on the body section and moves up and down in the vertical direction, and a rotating platform section that is provided on the lifting section and can rotate freely in an approximately horizontal direction.

[0007] The trolley cart according to the second aspect of this invention is characterized in that, in the first aspect, the body section, the lifting section, and the rotating platform section are detachable from each other.

[0008] The trolley cart of the third aspect of this invention is characterized in that, in the first or second aspect, it is provided with a tension fixing portion that fixes the body portion and the rotating loading platform portion by tension force.

[0009] The trolley cart according to the fourth aspect of this invention is characterized in that, in the first or second aspect, it is provided with a rail loose-fitting portion that is provided on the car body portion and loosely fitted into the rail.

[0010] The trolley of the fifth aspect of this invention is characterized in that, in the first or second aspect, it is equipped with a moving girder that is erected on the rotating loading platform and on the platform and moves an object placed on the rotating loading platform to the platform. [Effects of the Invention]

[0011] According to a first aspect of this invention, a rotating platform is provided on the lifting section and is rotatable in an approximately horizontal direction. This allows for easy loading and unloading of cargo from the track to the platform without requiring power or power shutoff while the vehicle is running on the track. This improves the workability of loading and unloading between the track and the platform. Furthermore, vehicle registration, which limits the number of vehicles that can be owned, is not required. This improves the manageability of loading and unloading of cargo between the track and the platform.

[0012] According to a second aspect of this invention, the car body, lifting unit, and rotating platform are detachable from each other. Therefore, if an abnormality occurs in the trolley, the trolley can be disassembled and manually removed from the track. This improves safety when loading and unloading cargo between the track and the platform.

[0013] According to a third aspect of this invention, a tension fixing part is provided that fixes the car body and the rotating platform by tension force. This prevents the rotating platform from falling off the car body. This improves safety when loading or unloading cargo between the track and the platform.

[0014] According to a fourth aspect of this invention, the car body is provided with a rail loose-fitting portion that allows the car body to be loosely fitted into the rail. This prevents the trolley from falling off the track, thereby improving safety when loading or unloading cargo between the track and the platform.

[0015] According to a fifth aspect of this invention, a moving girder is installed on the rotating platform and on the platform. This prevents materials and equipment from falling when being loaded or unloaded between the trolley and the platform. This improves safety when loading or unloading materials between the track and the platform. [Brief explanation of the drawings]

[0016] [Figure 1]FIG. 1 is a schematic front view showing an example of a trolley cart in this embodiment with the lifting section raised. [Figure 2] FIG. 2 is a schematic front view showing an example of the trolley cart in this embodiment with the lifting section lowered. [Figure 3] FIG. 3 is a schematic plan view corresponding to FIG. [Figure 4] FIG. 4 is a schematic front view showing an example of a state in which a moving girder and a fall prevention plate are loaded on a trolley cart in this embodiment. [Figure 5] FIG. 5 is a schematic right side view corresponding to FIG. [Figure 6] FIG. 6 is a schematic bottom view showing an example of a rotating platform part constituting the trolley cart in this embodiment. [Figure 7] FIG. 7 is a schematic right side view showing an example of how to use the trolley cart in this embodiment. [Figure 8] FIG. 8 is a schematic right side view showing an example of how to use the trolley cart in this embodiment. [Figure 9] FIG. 9 is a schematic right side view showing an example of how to use the trolley cart in this embodiment. [Figure 10] FIG. 10 is a schematic plan view corresponding to FIG.

[0017] An example of a trolley 100 as an embodiment of this invention will be described in detail below with reference to the drawings. In each figure, the height direction is designated Z, one horizontal direction that intersects with the height direction Z, for example, is perpendicular to it, is designated as the first horizontal direction X, and a horizontal direction that intersects with both the height direction Z and the first horizontal direction X, for example, is perpendicular to it, is designated as the second horizontal direction Y. The configurations in each figure are shown schematically for the purpose of explanation, and for example, the size of each component and the size comparison between components may differ from those shown in the figures.

[0018] (Trolley 100) An example of a trolley 100 in this embodiment will be described with reference to the drawings.

[0019] The trolley cart 100 is a cart that can run on a track, which is a structure including rails R and the like built on the roadbed of a railway, as shown in Figure 1, for example. As will be described later, the trolley cart 100 does not require power when running on the track, and can easily load or unload cargo from the track onto platform P (see Figure 10, etc.) without requiring an electric stop. This improves the workability of loading or unloading cargo between the track and platform P. Furthermore, the trolley cart 100 does not require vehicle registration, which limits the number of vehicles that can be owned. This improves the manageability of loading or unloading cargo between the track and platform P.

[0020] 1 to 5, the trolley cart 100 includes a vehicle body 1, a lifting section 2, and a rotating platform 3. The trolley cart 100 may further include, for example, a tension fixing section 4, a rail loose-fitting section 5, a moving girder 6, and a fall prevention plate 7.

[0021] <Body part 1> The car body 1 is a component corresponding to the car body of the trolley 100. For example, a known car body for a road-rail vehicle may be used for the car body 1. Each component of the car body 1 is made of, for example, steel material.

[0022] 1 and 2, the vehicle body 1 includes a base 11 and wheels 12. The vehicle body 1 may also include a hook 13, a handle lever 14, and a generator 15, for example.

[0023] The base 11 is a component that corresponds to the main body of the vehicle body 1. On the base 11, for example, the lifting unit 2 is installed.

[0024] The wheels 12 are components for propelling the vehicle body 1. For example, four wheels 12 are rotatably attached to the lower part of the base 11. As the wheels 12, known wheels for road-rail vehicles are used.

[0025] The hanging part 13 is a part for fastening the moving girder 6, the fall prevention plate 7, etc. As shown in Fig. 3, for example, one or more hanging parts 13 are attached to the side of the base 11 so as not to interfere with the lifting and lowering operation of the lifting part 2. As shown in Figs. 4 and 5, for example, the hanging part 13 is shaped so as to hang the moving girder 6 and the fall prevention plate 7, and may be shaped, for example, as a pair of erect rod-shaped members.

[0026] The handle lever 14 is a component for controlling the travel of the vehicle body 1. The handle lever 14 is attached, for example, to the side of the base 11. The handle lever 14 is used, for example, by an operator to grip it and move the trolley 100 forward, backward, or stop it.

[0027] The generator 15 is a device that provides the power to raise and lower the lifting section 2. The generator 15 is mounted, for example, on the base 11. The generator 15 does not provide the running power for the trolley cart 100, and therefore does not need to be operated when the trolley cart 100 is running. A known portable generator may be used as the generator 15.

[0028] <Lifting section 2> The lifting unit 2 is a component provided on the vehicle body 1 and moves up and down in the height direction Z. For example, a known lifting device or lifting device component may be used for the lifting unit 2. Each component of the lifting unit 2 is made of, for example, steel material.

[0029] The lifting unit 2 includes a support unit 21, a movable unit 22, and a lifting top plate 23, as shown in FIG.

[0030] The support part 21 is a component for installing the lifting part 2 on the vehicle body part 1. The support part 21 is fixed to the lower end of the movable part 22, for example, and supports the movable part 22 from below.

[0031] The movable unit 22 is a component for controlling the lifting and lowering operation of the lifting unit 2. For example, the lower end of the movable unit 22 is connected to the support unit 21, and the lifting top plate 23 is fixed to the upper end. The movable unit 22 can be freely switched between a state in which the lifting top plate 23 is spaced apart from the support unit 21 as shown in FIG. 1 and a state in which the lifting top plate 23 is close to the support unit 21 as shown in FIG. 2. The movable unit 22 is powered by electricity supplied by the generator 15, for example.

[0032] The liftable top plate 23 is a component on which materials and equipment to be loaded or unloaded are placed. The liftable top plate 23 is fixed to the upper end of the movable part 22, for example, and moves up and down together with the movable part 22.

[0033] <Rotating loading platform 3> The rotating platform 3 is a component on which materials and equipment are placed to be loaded or unloaded from the track onto the platform P. The rotating platform 3 may be made of components used in, for example, a known turntable (pallet rotator). Each component of the rotating platform 3 is made of, for example, steel material.

[0034] The rotating platform unit 3 is mounted on the lifting unit 2 and is rotatable in a substantially horizontal direction (a planar direction including the first horizontal direction X and the second horizontal direction Y). That is, for materials and equipment moved from the track to the rotating platform unit 3 along the track extension direction (e.g., the first horizontal direction X), the traveling direction of the materials and equipment can be easily directed toward the platform P (e.g., the second horizontal direction Y) by rotating the rotating platform unit 3 in a substantially horizontal direction rather than rotating the materials and equipment. In this case, no power is required while the vehicle is traveling on the track, and no electrical shutdown is required, allowing for easy loading and unloading from the track to the platform P. This improves the workability of loading and unloading between the track and the platform P. Furthermore, vehicle registration, which limits the number of vehicles that can be owned, is not required. This improves the manageability of loading and unloading between the track and the platform P.

[0035] The car body 1, the lifting unit 2, and the rotating platform 3 may be detachable from one another. In this case, if an abnormality occurs in the trolley 100, the trolley 100 can be disassembled and manually removed from the track. This improves safety when loading or unloading cargo between the track and the platform P.

[0036] 1, the rotating platform unit 3 includes a rotating platform 31 and a rotating top plate 32. The rotating platform unit 3 may further include a fixing portion 33 and a fall prevention fence 34, as shown in FIGS.

[0037] The rotating table 31 is a component installed on the lifting top plate 23 of the lifting unit 2. The rotating table 31 is made up of a combination of a lower member installed on the lifting top plate 23 and an upper member fixed to the rotating top plate 32. The rotating table 31 can rotate the rotating top plate 32 in a substantially horizontal direction by, for example, manually rotating the upper member relative to the lower member in a substantially horizontal direction. The rotating table 31 may be provided with a stopper that allows the upper member to freely switch between rotating and stopping.

[0038] The rotating top plate 32 is a component on which materials and equipment are placed to be loaded or unloaded from the track onto the platform P. The rotating top plate 32 is fixed to the upper end of the rotating table 31, for example, and rotates together with the rotating table 31.

[0039] The fixing portion 33 is a component for fixing the rotating top plate 32 to the upper member of the rotating table 31. For the fixing portion 33, for example, a bolt or the like is used for bolting the upper member of the rotating table 31 and the rotating top plate 32 together.

[0040] The fall prevention fence 34 is a component for preventing workers from falling when loading or unloading materials and equipment between the track and the platform P. The fall prevention fence 34 may be fastened to the hanging portion 13 of the car body 1 as described above so as not to impede the movement of the trolley 100 except when loading or unloading materials and equipment onto the platform P.

[0041] <Tension fixing part 4> The tension fixing portion 4 is a device for fixing together the components of the trolley 100. As the tension fixing portion 4, a known product such as a "lever block (registered trademark)" may be used.

[0042] As shown in FIG. 1, for example, one or more tension fixing units 4 are attached to and fixed to the car body unit 1 in order to fix the rotating platform unit 3 and the car body unit 1 by tension force. In this case, it is possible to prevent the rotating platform unit 3 from falling off the car body unit 1. This improves safety when loading or unloading cargo between the track and the platform P. Note that the tension fixing units 4 apply a tension force to the rotating platform unit 3 when the lifting / lowering unit 2 is raised, for example, as shown in FIG. 1, but do not apply a tension force to the rotating platform unit 3 when the lifting / lowering unit 2 is lowered, as shown in FIG. 2, and therefore do not hinder the lifting / lowering operation of the lifting / lowering unit 2.

[0043] <Rail loose fitting part 5> The rail loose-fitting portion 5 is a device for loosely fitting the car body portion 1 onto the rail R. As the rail loose-fitting portion 5, a known product such as a "rail catch" may be used.

[0044] The rail loose-fitting portion 5 is attached to the car body 1 so that it can be freely switched between a state in which it is separated from the rail R as shown in Fig. 1 and a state in which it is loosely fitted and attached to the rail R as shown in Fig. 7. In this case, the trolley 100 can be prevented from falling off the track. This improves safety when loading or unloading cargo between the track and the platform P.

[0045] <Moving beam 6> The moving girder 6 is a component for lifting or unloading cargo from the rotating loading platform 3 on the track onto the platform P. For example, a known steel plate or the like may be used as the moving girder 6. The moving girder 6 is engaged with the hanging portion 13 of the car body 1 as described above so as not to impede the movement of the trolley 100 except when materials and equipment are being lifted or unloaded onto the platform P.

[0046] The movable girder 6 is detachably installed on the rotating loading platform 3 and on the platform P, for example, as shown in Figures 9 and 10. In this case, it is possible to prevent materials and equipment being loaded or unloaded between the trolley 100 and the platform P from falling. This improves safety when loading or unloading between the track and the platform P. In addition, the movable girder 6 can be easily installed by placing both ends on the rotating loading platform 3 and on the platform P, as it has a non-slip surface such as rubber on the backside.

[0047] <Fall prevention board 7> The fall prevention plate 7 is a component for preventing the fall of materials and equipment moving on the moving girder 6. For example, a known steel plate or the like may be used as the fall prevention plate 7. The fall prevention plate 7 is engaged with the latching portion 13 of the car body 1 as described above so as not to impede the movement of the trolley 100 except when materials and equipment are being loaded onto or unloaded from the platform P.

[0048] The fall prevention plate 7 can be installed, for example, between the movable girder 6 and the platform P, to support the movable girder 6 from below. It can also prevent workers from losing their footing and falling when moving materials and equipment on the movable girder 6. The fall prevention plate 7 may be detachably attached to the side of the rotating loading platform 3, or may be extended to the side of the rotating top plate 32 of the rotating loading platform 3.

[0049] (An example of how to use the trolley 100) Referring to the drawings, an example of a method for loading or unloading cargo between the track and the platform P will be described as a method for using the trolley 100 in this embodiment.

[0050] A worker manually places the trolley cart 100 on the track (on the rails R) at, for example, a loading yard, a railroad crossing, a station, etc. For example, the worker may have the trolley cart 100 pass through the station ticket gate and transport it to platform P by elevator, and then use a crossing device to lower it from platform P to place it on the track. Alternatively, the worker may manually place the trolley cart 100 that has been transported between stations by truck onto the track, or may use a crossing device to place the trolley cart 100 that has been transported between stations by road-rail vehicle onto the track.

[0051] Thereafter, the worker loads the object O to be lifted or unloaded onto the rotating platform 31 of the rotating platform section 3 of the trolley 100 mounted on the track, as shown in Fig. 7. At this time, the worker may temporarily set up a simple slope by erecting a steel plate (not shown) between the rail R on the track and the rotating platform 31, and then load the object O from the rail R onto the rotating platform 31 by running the object O on the slope.

[0052] Thereafter, the worker raises the liftable top plate 23 of the lifting unit 2, for example, as shown in FIG. 8, and raises the turntable 31 until the height of the turntable 31 is substantially the same as the height of the platform P.

[0053] Thereafter, as shown in Figures 9 and 10, for example, a worker manually rotates the turntable 31 by approximately 90 degrees in a substantially horizontal direction, and then installs the moving girder 6 and the fall prevention plate 7 between the track and the platform P. In this case, the traveling direction of the object O can be changed from the first horizontal direction X along the rail R to the second horizontal direction Y that allows the object O to travel to the platform P. This allows the object O to be unloaded from the turntable 31 on the track onto the platform P via the moving girder 6 and the fall prevention plate 7.

[0054] Furthermore, when unloading from the platform P onto the turntable 31 on the track, the above work can be carried out in reverse order. After the worker moves the object O from the platform P onto the turntable 31 via the moving girder 6 and the fall prevention plate 7, the worker removes the moving girder 6 and the fall prevention plate 7 and manually rotates the turntable 31 by approximately 90 degrees in a substantially horizontal direction. In this case, the traveling direction of the object O can be changed from the second horizontal direction Y, which allows the object O to travel from the platform P to the turntable 31, to the first horizontal direction X along the rail R. This allows the object O to be unloaded from the platform P onto the turntable 31 on the track.

[0055] By carrying out the above operations, the loading or unloading method between the track and the platform P is completed.

[0056] According to this embodiment, the vehicle is provided with a rotating platform unit 3 that is provided on the lifting unit 2 and is rotatable in a substantially horizontal direction. Therefore, no power is required when the vehicle is running on the track, and no electric power stop is required, so that cargo can be easily loaded or unloaded from the track onto the platform P. This improves the workability of loading or unloading cargo between the track and the platform P. In addition, vehicle registration, which limits the number of vehicles that can be owned, is not required. This improves the manageability of loading or unloading cargo between the track and the platform P.

[0057] Furthermore, according to this embodiment, the car body 1, the lifting section 2, and the rotating platform 3 are detachable from one another. Therefore, if an abnormality occurs in the trolley 100, the trolley 100 can be disassembled and manually removed from the track. This improves safety when loading or unloading cargo between the track and the platform P.

[0058] Furthermore, according to this embodiment, a tension fixing part 4 is provided that fixes the car body part 1 and the rotating loading platform part 3 by tension force. This prevents the rotating loading platform part 3 from falling off the car body part 1. This improves safety when loading or unloading cargo between the track and the platform P.

[0059] Furthermore, according to this embodiment, the car body 1 is provided with a rail loose-fitting portion 5 that allows the car body 1 to be loosely fitted into the rail R. This prevents the trolley 100 from falling off the track. This improves safety when loading or unloading cargo between the track and the platform P.

[0060] Furthermore, according to this embodiment, a moving girder 6 is provided that is erected on the rotating loading platform section 3 and on the platform P. This makes it possible to prevent materials and equipment being loaded or unloaded from falling between the trolley 100 and the platform P. This improves the safety of loading and unloading between the track and the platform P.

[0061] Although several embodiments of the present invention have been described above, these embodiments are presented as examples and are not intended to limit the scope of the invention. These novel embodiments can be embodied in various other forms, and various omissions, substitutions, and modifications can be made without departing from the spirit of the invention. These embodiments and their modifications are included within the scope and spirit of the invention, and are also included in the inventions and their equivalents set forth in the scope of the utility model registration claims. [Explanation of symbols]

[0062] 100 Trolley 1 Body 11 Base 12 wheels 13 Hanging fastener 14 Handle lever 15. Generator 2 Lifting section 21 Support part 22 Moving parts 23 Lifting top 3 Rotating loading platform 31 Turntable 32 Rotating top plate 33 Fixed part 34 Fall prevention fence 4 Tension fixing part 5 Rail loose fit 6 Moving beam 7 Fall prevention board R rail O Object P Home (Platform) X 1st horizontal direction Y 2nd horizontal direction Z height direction

Claims

1. A trolley that can run on a track, a body portion provided with wheels; a lifting unit provided on the vehicle body and adapted to move up and down in a height direction; a rotating platform portion provided on the lifting portion and rotatable in a substantially horizontal direction; To be prepared A trolley characterized by:

2. The vehicle body, the lifting unit, and the rotating platform are detachable from one another. The trolley cart according to claim 1, characterized in that:

3. A tension fixing part is provided to fix the vehicle body part and the rotating loading platform part by tension force. A trolley according to claim 1 or 2, characterized in that:

4. The vehicle body is provided with a rail loose-fitting portion that is loosely fitted onto the rail. A trolley according to claim 1 or 2, characterized in that:

5. A moving girder is provided which is installed on the rotating loading platform and on the platform and moves an object placed on the rotating loading platform to the platform. A trolley according to claim 1 or 2, characterized in that:

Images