WO2021256435A1 - Chargeur - Google Patents

Chargeur Download PDF

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Publication number
WO2021256435A1
WO2021256435A1 PCT/JP2021/022567 JP2021022567W WO2021256435A1 WO 2021256435 A1 WO2021256435 A1 WO 2021256435A1 JP 2021022567 W JP2021022567 W JP 2021022567W WO 2021256435 A1 WO2021256435 A1 WO 2021256435A1
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WO
WIPO (PCT)
Prior art keywords
elevating
loader
load receiving
receiving member
crank
Prior art date
Application number
PCT/JP2021/022567
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English (en)
Japanese (ja)
Inventor
隆一 矢嶋
Original Assignee
有限会社矢島製作所
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 有限会社矢島製作所 filed Critical 有限会社矢島製作所
Publication of WO2021256435A1 publication Critical patent/WO2021256435A1/fr

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
    • B66F7/00—Lifting frames, e.g. for lifting vehicles; Platform lifts
    • B66F7/10—Lifting frames, e.g. for lifting vehicles; Platform lifts with platforms supported directly by jacks
    • B66F7/12—Lifting frames, e.g. for lifting vehicles; Platform lifts with platforms supported directly by jacks by mechanical jacks
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
    • B66F9/00—Devices for lifting or lowering bulky or heavy goods for loading or unloading purposes
    • B66F9/06—Devices for lifting or lowering bulky or heavy goods for loading or unloading purposes movable, with their loads, on wheels or the like, e.g. fork-lift trucks

Definitions

  • the present invention relates to a loader for moving cargo placed on the floor of a cargo-only vehicle having a rail-shaped groove on the floor, a warehouse, or the like, for example, luggage loaded on a pallet.
  • the cargo For loading, the cargo is inserted into a pair of loader grooves parallel to each other placed on the cargo bed floor of a cargo-only vehicle or warehouse, and the cargo on the cargo bed floor is moved to a predetermined position and stored through the lifting operation of the cargo receiving section (loading section). Therefore, a loader used for unloading the cargo from the storage position and carrying the cargo to the outside is known (see, for example, Patent Document 1).
  • the loader described in Patent Document 1 includes a loader main body and an operating device, and the loader main body includes a roller frame located on the lower side, a loader base located on the upper side, and a roller frame. It has a base guide placed between it and the loader base.
  • the loader body can travel in a rail provided in the floor of a vehicle or the like with the load loaded on the upper surface thereof (the state of receiving the load), and can move to the storage position of the load.
  • the actuating device includes an actuating device main body for raising and lowering the loader base arranged on the rear end side of the loader base, and an operating rod for operating the actuating device.
  • This kind of loader is operated as follows.
  • a pair of loader bodies are inserted into a pair of loader rail grooves installed under the load.
  • the load is placed on the rail groove in which the pair of loader bodies are present.
  • the insertion portions of the pair of operating rods are inserted into the operating holes of the operating body of the loader operating device, and the pair of operating rods are tilted rearward with the gear shaft as a fulcrum. And the base guide is pulled backward, and the receiving part gradually rises above the floor surface of the loading platform.
  • the luggage loaded on the receiving portion is pushed up and leaves the floor surface.
  • the loader body is advanced on the rail like a wheelbarrow while the load receiving state is tilted by a predetermined angle, and the load is moved to the storage position.
  • these operating rods are raised to the front side and returned to the vertical state, the load receiving portion descends and finally fits in the rail groove. After that, hold both operating rods in a vertical state, retract the loader body along the rail, and remove both operating rods from the loader body.
  • the conventional loader as described in Patent Document 1 loads the loader from the opening at the rear of the vehicle when loading the load on the cargo bed floor of a cargo-only vehicle or moving the load from the storage position and carrying it out.
  • the cargo receiving part rises above the floor surface of the cargo bed floor and is carried forward or backward, so that the cargo near the opening at the rear of the vehicle is especially rearward.
  • the worker would fall off the loading platform of the vehicle or the like.
  • workability is poor because the luggage can only be pulled backward when the luggage is carried out.
  • Patent Document 1 has a problem that the configuration of the operating device is complicated and the production cost is high.
  • an object of the present invention is to load the cargo on a pallet placed on the floor of a cargo-only vehicle or a warehouse having a rail-shaped groove on the floor.
  • an object of the present invention is to load the cargo on a pallet placed on the floor of a cargo-only vehicle or a warehouse having a rail-shaped groove on the floor.
  • the cargo it is possible to lift the cargo from the floor surface of the cargo bed using the operation rod and push it forward to move it, whether it is on the rear opening side of the vehicle or on the back side of the cargo bed.
  • the loader has a U-shaped cross section including a bottom surface and both side walls, and is provided with a plurality of traveling rollers and a plurality of elevating inclined cams having a V-shaped inclined surface inside, and is provided with a loading platform. It has a U-shaped cross section consisting of a dolly that can run along the groove-shaped rails formed on the floor surface of the floor and the upper surface and both side walls, and can move inside along the inclined surface of multiple elevating inclined cams.
  • a pair of elevating and lowering rollers are provided, and a consignment member mounted on the bogie via the plurality of elevating rollers and a pair of elevating and lowering members connected to both ends of the bogie to raise and lower the receiving member with respect to the bogie. It is equipped with a drive mechanism.
  • the loader has a U-shaped cross section including a bottom surface and both side walls, and a plurality of traveling rollers and a plurality of elevating rollers are provided inside, and the loader is formed on the floor surface of the loading platform.
  • a dolly that can run along a groove-shaped rail, and a U-shaped cross section consisting of an upper surface and both side walls, and a plurality of inverted V-shaped inclined surfaces that can be moved with a plurality of elevating rollers in contact with each other.
  • a pair of elevating and lowering cams is provided, and a load receiving member mounted on the bogie via a plurality of elevating and lowering cams and a pair of elevating members connected to both ends of the bogie to raise and lower the receiving member with respect to the bogie. It is equipped with a drive mechanism.
  • Each of the pair of elevating drive mechanisms has a fitting hole exposed from an opening provided on the upper surface of the load receiving member, and is a crank member that can rotate around a rotation shaft on one end side by an external force. And a link member having one end rotatably connected to the other end of the crank member and the other end rotatably connected to the end of the bogie. It is preferable that the crank is inserted into a long hole extending in the longitudinal direction provided on both side walls of the above and is slidably mounted along the long hole. As a result, the structure is simple and the ascending / descending operation can be easily performed.
  • the insertion part is further equipped with an operation rod that can be fitted into the insertion hole of the elevating drive mechanism, and the operation rod rotates the crank member by being pulled backward with the insertion part fitted in the insertion hole. It is also preferable that the bogie is moved backward and the consignment member is raised.
  • a recess into which at least the lower semicircle of the rotating shaft can be fitted is formed on the lower side of one end of the elongated hole.
  • Each of the pair of elevating drive mechanisms has a fitting hole exposed from an opening provided on the upper surface of the load receiving member, and a crank member that can rotate around a rotation shaft on one end side by an external force.
  • the crank member is provided with a link member having one end rotatably connected to the other end of the crank member and the other end rotatably connected to the end of the carriage, the crank member having an upper portion provided with a fitting hole. It is composed of a member, a lower member that supports the upper member, and an engaging rotation shaft that rotatably engages the upper member and the lower member on the side where the link member is connected, and is composed of the upper member and the lower part. It is also preferable that the free end side of the member is formed with recesses into which the upper half circle portion and the lower half circle portion of the rotation shaft can be fitted, respectively.
  • the insertion portion is further provided with an operation rod that can be fitted into the fitting / insertion hole of the elevating drive mechanism, and the operation rod is pulled backward with the insertion portion fitted into the fitting / insertion hole to form a crank member. It is more preferable that the dolly is moved backward while rotating the load receiving member to raise the load receiving member.
  • the floor surface of a cargo-only vehicle or a warehouse having a rail-shaped groove on the floor can be used.
  • the cargo loaded on the placed pallet for example, whether it is on the rear opening side of the vehicle, the back side of the vehicle carrier, or using the operation rod, the cargo is lifted from the floor surface of the cargo bed and pushed forward. You can move it by doing this.
  • each of the pair of elevating drive mechanisms has a fitting hole exposed from an opening provided on the upper surface of the load receiving member, and is rotatable about a rotation shaft on one end side by an external force.
  • the crank member is provided with a link member having one end rotatably connected to the other end of the crank member and the other end rotatably connected to the end of the bogie.
  • the structure is simple and can be realized at low cost by being inserted into a long hole extending in the longitudinal direction provided on both side walls of the load receiving member and slidably mounted along the long hole, and the elevating operation can be realized. Can be easily performed.
  • FIG. 3 is a side sectional view showing an assembled state showing the internal configuration of the loader of FIG. 1 and a state in which the pallet is lifted. It is a perspective view which shows the operation which lifts a pallet by the elevating drive mechanism of the loader of FIG. 1 in detail.
  • FIG. 7 is a side sectional view and a top view showing the configuration of the trolley of the loader and the elevating drive mechanism of FIG. 7.
  • FIG. 7 is a side sectional view and a bottom view showing a configuration of a load receiving member of the loader of FIG. 7.
  • FIG. 6 is a side sectional view showing in detail the operation of lifting the pallet by the lifting drive mechanism of the loader of FIG. 7.
  • This embodiment relates to a pallet loader that handles pallets as luggage, and is configured to manually raise and lower the trolley using an operation rod.
  • This loader can run along a groove-shaped rail formed in parallel in the front-rear direction on the floor surface of a freight vehicle, a warehouse, or the like.
  • FIG. 1 schematically shows an external configuration of a pallet loader 100 as a first embodiment of the loader of the present invention.
  • FIG. 2 shows the configuration of the carriage 10 of the pallet loader 100
  • FIG. 2A is a partial cross-sectional view of a side surface
  • FIG. 2B is a view seen from above.
  • FIG. 3 shows the configuration of the load receiving member 20 of the pallet loader 100
  • FIG. 3A is a partial cross-sectional view of a side surface
  • FIG. 3B is a view seen from below.
  • FIG. 4 shows the internal configuration of the pallet loader 100 in an exploded manner.
  • FIG. 5 is a side sectional view showing an assembled state showing the internal configuration of the pallet loader 100 and a state in which the pallet is lifted.
  • FIG. 5 is a side sectional view showing an assembled state showing the internal configuration of the pallet loader 100 and a state in which the pallet is lifted.
  • FIG. 6 shows in detail the operation of lifting the pallet G by the elevating drive mechanism 30, and FIG. 6A shows that the pallet loader 100 is inserted into the groove-shaped rail and the operation rod 40 is fitted into the insertion hole 31a.
  • (B) shows a state in which the pallet G is lifted by the elevating drive mechanism 30.
  • the pallet loader 100 of the present embodiment has a plurality of traveling rollers 11 and a plurality of elevating inclined cams 12 having a V-shaped inclined surface, and is formed on the floor surface F.
  • a bogie 10 that can travel along the rail R laid in the groove, and a plurality of elevating cams that are mounted on the bogie 10 and can move along the inclined surfaces of the plurality of elevating inclined cams 12 inside. It includes a load receiving member 20 having a roller 21, a pair of lifting drive mechanisms 30 connected to both ends of the carriage 10 to raise and lower the load receiving member 20 with respect to the carriage 10, and an operation rod 40.
  • the dolly 10 is formed by sheet metal processing of a stainless steel plate, and has a U-shaped cross section including a bottom surface 10a and both side walls 10b.
  • a plurality of openings 10c for arranging a plurality of (for example, six) traveling rollers 11 are formed on the bottom surface 10a.
  • a shaft 11a of a traveling roller 11 is inserted through both side walls 10b.
  • Each traveling roller 11 is rotatably supported with respect to the shaft 11a.
  • a plurality of (for example, three) elevating inclined cams 12 having a V-shaped inclined surface are provided along the longitudinal direction.
  • the carriage 10 can travel along the rail R laid in the loader groove formed on the floor surface F.
  • a pair of elevating drive mechanisms 30 are connected to both ends of the bogie 10.
  • the consignment member 20 is formed by sheet metal processing of a stainless steel plate and has a U-shaped cross section including an upper surface 20a and both side walls 20b.
  • a plurality of (for example, three) elevating rollers 21 are provided on the inner side (that is, the lower part of the upper surface 20a) along the longitudinal direction.
  • the plurality of elevating rollers 21 are configured to be movable along any side of the V-shaped inclined surface of the plurality of (for example, three) elevating inclined cams 12.
  • the load receiving member 20 is mounted on the carriage 10 via a plurality of elevating rollers 21, that is, is supported by the plurality of elevating rollers 21.
  • each elevating roller 21 When the load receiving member 20 is in the normal position (descent position), each elevating roller 21 is located at the center of the V-shaped inclined surface (V-shaped lower corner portion) of the elevating inclined cam 12 having the V-shaped inclined surface. On the other hand, when the load receiving member 20 is in the ascending position, each elevating roller 21 is placed on the upper end (flat surface) of the V-shaped inclined surface of the elevating inclined cam 12. It will be in a state of being in contact (see FIG. 5B). Further, an opening 22 is provided for inserting the insertion portion 41 of the operation rod 40 into the position corresponding to the elevating drive mechanism 30 on the upper surface on both end sides of the load receiving member 20 to raise and operate the elevating drive mechanism 30.
  • a pair of elongated holes 23 extending in the longitudinal direction are provided on both end sides of both side walls 20b of the load receiving member 20. Both ends of the rotation shaft 33 of the crank member 31 are inserted through the pair of elongated holes 23, and the pair of elongated holes 23 is slidably formed along the elongated holes 23. Further, at the lower end of one end of the elongated hole 23 (that is, the end on the end face side in the length direction of the load receiving member 20), a substantially semicircular recess 23a into which at least the lower semicircular portion of the rotation shaft 33 can be fitted is provided. It is formed.
  • the recess 23a functions as a positioning of the rotation shaft 33 of the crank member 31 when the elevating drive mechanism 30 is raised and operated. That is, when the operation rod 40 is pulled backward, the rotation shaft 33 of the crank member 31 on the operated side moves downward from the center line position of the elongated hole 23 and fits into the recess 23a along the elongated hole 23. The dolly 10 can be moved backward by preventing it from sliding. On the other hand, the rotation shaft 33 of the crank member 31 on the non-operated side can slide along the elongated hole 23 with the movement of the carriage 10. As a result, the carriage 10 is pulled toward the operated side, and the load receiving member 20 is raised.
  • the pair of elevating drive mechanisms 30 are connected to both ends of the bogie 10 via a connecting shaft 34, and raise and lower the load receiving member 20 with respect to the bogie 10.
  • Each of the pair of elevating drive mechanisms 30 has a fitting hole 31a exposed from an opening 22 provided in the upper surface 20a of the load receiving member 20, and is one end side by an external force (operation of the operation rod 40).
  • a crank member 31 that can rotate around a rotating shaft 33, one end of which is rotatably connected to the other end of the crank member 31 via a connecting shaft 35, and the other end of the carriage 10 via a connecting shaft 34. It is provided with a link member 32 connected to both side walls 10b.
  • Both ends of the rotation shaft 33 of the crank member 31 are inserted into a long hole 23 extending in the longitudinal direction provided on both side walls 20b of the load receiving member 20, and are slidably mounted along the long hole 23.
  • the axis center of the rotating shaft 33 is formed so as to be higher than the axis center of the connecting shaft 35.
  • the insertion hole 31a of the crank member 31 is formed so that the insertion portion 41 of the operation rod 40 can be inserted and removed.
  • the insertion portion 41 of the operation rod 40 is pulled backward while being fitted into the insertion hole 31a, thereby pulling the carriage 10 backward (pulling) via the link member 32.
  • the elevating roller 21 of the load receiving member 20 rises along the slope of the elevating inclined cam 12 to the upper end of the V-shaped inclined surface, and is configured to move to a high position. ..
  • the bogie 10 moves forward and the elevating roller 21 of the load receiving member 20 has a V-shaped inclined surface along the inclined surface of the elevating inclined cam 12. It is configured to go down to the bottom of the and move to a lower position. As a result, the load receiving member 20 moves up and down in the vertical direction.
  • the operation rod 40 includes an insertion portion 41 to be inserted into the insertion hole 31a of the crank member 31 of the elevating drive mechanism 30.
  • the crank member 31 can be rotated around the rotation shaft 33.
  • the load receiving member 20 can be raised and lowered by tilting the operating rod 40 to the rear side or raising it to the front side.
  • the load receiving member 20 is placed on the carriage 10, that is, the plurality of elevating rollers 21 of the receiving member 20 are on the V-shaped inclined surface of the plurality of elevating inclined cams 12.
  • the load receiving member 20 is stably mounted on the trolley 10 as a normal position (assembled state) by abutting on the lower ends (V-shaped corners at the center of the elevating inclined cam 12).
  • 5 (A) and 6 (A) show a state in which the pallet loader 100 is inserted below the pallet G on the rail R laid in the loader groove formed on the floor surface F.
  • 5 (B) and 6 (B) show a state in which the pallet G is lifted to a position higher than the floor surface F by the pallet loader 100.
  • the pallet loader 100 when the pallet loader 100 is inserted into the lower part of the pallet G along the rail R formed on the floor surface F, and the pallet loader 100 is already installed.
  • the pallet loader 100 does not come into contact with the pallet G because the load receiving member 20 is in the lowered position (normal position) and the upper surface 20a of the load receiving member 20 is lower than the floor surface F. Therefore, the pallet loader 100 can be smoothly inserted or pulled out.
  • the operation rod 40 is attached.
  • the insertion portion 41 of the operation rod 40 is fitted into the insertion hole 31a on the side of the pair of elevating drive mechanisms 30 that is easy to operate. The above operation is similarly performed for the pair of pallet loaders 100.
  • the operation rod 40 is tilted backward by a predetermined angle, and the crank member 31 is rotated to operate the elevating drive mechanism 30. That is, as shown in FIGS. 5 (B) and 6 (B), the carriage 10 moves rearward (in the pulling direction) via the link member 32.
  • the load receiving member 20 moves upward as the carriage 10 moves rearward and the elevating roller 21 rises to the upper end of the inclined surface of the elevating inclined cam 12, so that the pallet G is lifted to a position higher than the floor surface F. ..
  • the pallet G is moved to a predetermined position by manually pushing (or pulling backward) the pair of operating rods 40 forward.
  • the operation rod 40 is raised and operated to return it to the vertical state, and the crank member 31 is rotated in the reverse direction to operate the elevating drive mechanism 30 and the trolley via the link member 32. 10 moves forward.
  • the elevating roller 21 moves downward from the upper end to the lower end of the inclined surface of the elevating inclined cam 12, so that the load receiving member 20 moves downward, so that the pallet G is lowered onto the floor surface F. ..
  • the pair of pallet loaders 100 can be pulled out from below the pallet G.
  • the pallet loader 100 in the present embodiment has a traveling roller 11 and a plurality of elevating inclined cams 12 having a V-shaped inclined surface, and is laid in a groove formed on the floor surface F.
  • 20 is provided with a pair of elevating drive mechanisms 30 connected to both ends of the trolley 10 to raise and lower the load receiving member 20 with respect to the trolley 10, and an operation rod 40.
  • each of the pair of elevating drive mechanisms 30 has a fitting hole 31a exposed from an opening 22 provided on the upper surface of the load receiving member 20, and is centered on a rotation shaft 33 on one end side by an external force. Crank Both ends of the rotation shaft 33 of the member 31 are inserted into a long hole 23 extending in the longitudinal direction provided on both side walls 20b of the load receiving member 20, and are slidably mounted along the long hole 23.
  • the structure is simple, it can be realized at low cost, and the elevating operation can be easily performed.
  • the pallet loader 100 a configuration example in which a plurality of elevating inclined cams 12 are provided on the carriage 10 and a plurality of elevating rollers 21 are provided on the load receiving member 20 has been described.
  • the invention is not limited to this.
  • a plurality of elevating inclined cams 12 may be provided on the load receiving member 20, and a plurality of elevating rollers 21 may be provided on the carriage 10.
  • the pallet loader has a U-shaped cross section consisting of a bottom surface and both side walls, and a plurality of traveling rollers and a plurality of elevating rollers are provided inside, and a groove-shaped rail formed on the floor surface of the loading platform floor.
  • a dolly that can travel along the trolley and a plurality of elevating inclined cams having a U-shaped cross section consisting of an upper surface and both side walls and an inverted V-shaped inclined surface on which a plurality of elevating rollers can move are provided. It is provided with a load receiving member mounted on the bogie via a plurality of tilting cams for raising and lowering, and a pair of raising and lowering drive mechanisms connected to both ends of the bogie to raise and lower the load receiving member with respect to the bogie. ..
  • the pair of elevating drive mechanisms has the same configuration as the elevating drive mechanism 30 described above. As a result, the same effect as that of the pallet loader 100 described above can be obtained.
  • a substantially semicircular recess 23a into which at least the lower semicircular portion of the rotation shaft 33 can be fitted is formed on the lower side of one end of the elongated hole 23 of the load receiving member 20.
  • the present invention is not limited to this.
  • the shape of the recess 23a may be V-shaped.
  • FIG. 7 schematically shows the external configuration of the pallet loader 100A as the second embodiment of the loader of the present invention.
  • FIG. 8 shows the configuration of the carriage 10A of the pallet loader 100A
  • FIG. 8A is a partial cross-sectional view of a side surface
  • FIG. 8B is a view seen from above.
  • 9A and 9B show the configuration of the load receiving member 20A of the pallet loader 100A
  • FIG. 9A is a partial cross-sectional view of a side surface
  • FIG. 9B is a view seen from below.
  • FIG. 10 shows in detail the operating state of the elevating drive mechanism 30A when lifting the pallet G
  • FIG. 10A shows the state of the elevating drive mechanism 30A on the side operated by the operation rod 40.
  • B) shows the state of the elevating drive mechanism 30A on the non-operated side.
  • the pallet loader 100A of the present embodiment has a plurality of traveling rollers 11 and a plurality of elevating inclined cams 12 having a V-shaped inclined surface, and is formed on the floor surface F.
  • a bogie 10A that can travel along the rail R laid in the groove, and a plurality of elevating cams that are mounted on the bogie 10A and can move along the inclined surfaces of the plurality of elevating inclined cams 12 inside. It includes a load receiving member 20A having a roller 21, a pair of lifting drive mechanisms 30A connected to both ends of the carriage 10A to raise and lower the load receiving member 20A with respect to the carriage 10A, and an operation rod 40.
  • the dolly 10A is formed by sheet metal processing of a stainless steel plate, and has a U-shaped cross section including a bottom surface 10a and both side walls 10b.
  • the bogie 10A has the same configuration as the bogie 10 of the first embodiment described above, except for the configuration of a pair of elevating drive mechanisms 30A connected to both ends thereof. Therefore, detailed description of similar components will be omitted.
  • the consignment member 20A is formed by sheet metal processing of a stainless steel plate, and has a U-shaped cross section including an upper surface 20a and both side walls 20b.
  • a pair of shaft holes 23A are provided on both end sides of both side walls 20b of the load receiving member 20A. Both ends of the rotation shaft 33 of the crank member 31A are inserted into the pair of shaft holes 23A.
  • the pair of elevating drive mechanism 30A has a fitting hole 31a exposed from an opening 22 provided in the upper surface 20a of the load receiving member 20A, and is rotated on one end side by an external force (operation of the operation rod 40).
  • a crank member 31A that can rotate around a shaft 33, one end of which is rotatably connected to the other end of the crank member 31A via a connecting shaft 35, and the other end of which is rotatably connected to the other ends of the bogie 10A via a connecting shaft 34. It includes a link member 32A connected to 10b. Both ends of the rotating shaft 33 are inserted into and mounted on a pair of shaft holes 23A provided on both side walls 20b of the load receiving member 20A.
  • the crank member 31A includes an upper member 31A 1 which are insertion hole 31a is provided, the lower member 31A 2 for supporting the upper member 31A 1, an upper member 31A 1 and the lower member 31A 2 Is composed of an engaging rotation shaft 36A that rotatably engages on the side to which the link member 32A is connected, and a rotation shaft 33 is provided on the free end side of the upper member 31A 1 and the lower member 31A 2, respectively. Recessions 31b and 31c into which the upper semicircle and the lower semicircle can be fitted are formed. Further, the lower member 31A 2 is also provided with an insertion hole 31a, and the insertion portion 41 of the operation rod 40 can be fitted into the insertion hole 31a of the lower member 31A 2.
  • the recesses 31b and 31c of the upper member 31A 1 and the lower member 31A 2 form the upper semicircle portion of the rotation shaft 33 and the lower half circle.
  • the bogie 10A can be moved rearward by fitting the lower semicircle portion and rotating the crank member 31A around the rotation shaft 33 (see FIG. 10A).
  • the crank member 31A on the non-operated side is pulled with the movement of the carriage 10A, and the rotating shaft 33 is configured to separate from these recesses 31b and 31c (see FIG. 10B).
  • the carriage 10A is pulled toward the operated side, the load receiving member 20A rises, and the pallet G is lifted to a position higher than the floor surface F.
  • the crank member 31A is securely pivotally attached to the rotating shaft 33, so that the pallet G can be reliably lifted without dropping during the raising operation.
  • the pallet loader 100A in the present embodiment includes a carriage 10A, a load receiving member 20A, a pair of elevating drive mechanism 30A, and an operation rod 40.
  • the elevating drive mechanism 30A includes a crank member 31A and a link member 32A, and both ends of the rotation shaft 33 of the crank member 31A are inserted into and mounted on shaft holes 23A provided on both side walls 20b of the load receiving member 20A.
  • the crank member 31A is composed of an upper member 31A 1 , a lower member 31A 2, and an engaging rotation shaft 36A, and a rotation shaft is provided on the free end side of the upper member 31A 1 and the lower member 31A 2, respectively.
  • Recessions 31b and 31c into which the upper semicircle and the lower semicircle of 33 can be fitted are formed.
  • the luggage can be lifted from the floor surface F of the cargo bed floor and pushed forward to move the cargo (pallet G). You do not have to pull the luggage backwards when you carry it out, and you can work more safely.
  • the structure is simple and can be realized at low cost, and the ascending / descending operation can be easily and surely performed.
  • the present invention can be used for the purpose of moving cargo placed on the floor of a cargo-only vehicle having a rail-shaped groove on the floor or a warehouse, for example, luggage loaded on a pallet.

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  • Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Transportation (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Mechanical Engineering (AREA)
  • Civil Engineering (AREA)
  • Handcart (AREA)
  • Forklifts And Lifting Vehicles (AREA)

Abstract

Chargeur comprenant : un chariot qui comprend des galets de déplacement et une pluralité de cames inclinées pour élever/abaisser ayant une surface inclinée en forme de V, ledit chariot étant apte à se déplacer le long de rails de type rainure formés dans la surface de sol d'un sol de plateforme de chargement ; un élément de réception de charge qui a une surface de section transversale en forme de U comprenant une surface supérieure et deux parois latérales et dans lequel une pluralité de galets pour élever/abaisser aptes à se déplacer le long des surfaces inclinées des cames inclinées pour élever/abaisser sont disposés sur le côté interne, ledit élément de réception de charge étant monté sur le chariot par l'intermédiaire de la pluralité de galets pour élever/abaisser ; et une paire de mécanismes d'entraînement d'élévation/abaissement qui sont reliés à chacune des deux extrémités du chariot et élèvent ou abaissent l'élément de réception de charge par rapport au chariot.
PCT/JP2021/022567 2020-06-17 2021-06-14 Chargeur WO2021256435A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2020104198A JP2023106650A (ja) 2020-06-17 2020-06-17 ローダ
JP2020-104198 2020-06-17

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WO2021256435A1 true WO2021256435A1 (fr) 2021-12-23

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JP2005132594A (ja) * 2003-10-31 2005-05-26 Tazm Technology Kk ローダ
JP2015098382A (ja) * 2013-11-19 2015-05-28 芦森工業株式会社 床上貨物搬送装置
JP2016008096A (ja) * 2014-06-23 2016-01-18 株式会社プレトライアル ローダ
JP2016196362A (ja) * 2015-04-06 2016-11-24 有限会社矢島製作所 ローダ
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JP2005132594A (ja) * 2003-10-31 2005-05-26 Tazm Technology Kk ローダ
JP2015098382A (ja) * 2013-11-19 2015-05-28 芦森工業株式会社 床上貨物搬送装置
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