Unloading device with container rotating protection frame

Abstract

The invention discloses an unloading device with a container rotating protection frame. The unloading device comprises a pallet fork, a rotating accessory, a protection component and a driving component. The pallet fork is provided with a supporting fork and a connecting part; the rotary accessory drives the pallet fork to rotate; the protection component comprises a protection frame, the protection frame comprises a rectangular frame, the protection component swings between an opening position and a protection position, and the protection frame located at the opening position and the supporting forks form an opening for forking the container. The rectangular frame at the protection position abuts against the upper end face of the opening of the container, and the protection frame and the supporting forks tightly hold the container up and down. The driving component drives the protection component to swing. The protective component has the advantages that the protective frame and the supporting forks of the protective component hold the container up and down so as to fix the container; the rectangular frame of the protection component abuts against the upper end face of the opening of the container, so that the container is effectively prevented from cracking and deforming, and the container is effectively protected against damage in the rotary unloading process.

Description

Technical Field

[0001] The invention relates to the technical field of container loading and unloading equipment, and in particular to an unloading device with a container rotating protection frame. Background Art

[0002] Chinese patent database CN105923578A discloses "unloading device used on forklift", which includes a lifting seat, a fork part, a clamping drive mechanism, a clamping mechanism, a center seat, a rotating drive mechanism, a driving gear, a slewing bearing and a front mounting plate. The clamping drive mechanism is connected to the clamping mechanism to drive the clamping mechanism to move between the clamping position and the loosening position relative to the fork part, and the clamping mechanism and the fork part in the clamping position cooperate and clamp the cargo box; the slewing bearing includes an inner ring and an outer ring that can be rotatably sleeved with each other, the outer ring is fixedly connected to the lifting seat, the inner ring is provided with an internal gear, the driving gear meshes with the internal gear, the front mounting plate is rotatably sleeved outside the center seat and fixedly connected to the inner ring, and the fork part is fixedly connected to the front mounting plate. Although it has the advantages of convenient and fast unloading, strong anti-rollover ability and large power output capacity, during the rotational unloading of bulk containers, the containers will be subjected to large centrifugal force during rotation, which can easily cause cracking or deformation of the side walls of the containers, posing safety hazards and affecting the service life of the containers. Therefore, there is a need for further improvement. Summary of the invention

[0003] The present invention provides a cargo unloading device with a container rotation protection frame, which overcomes the shortcomings existing in the background technology.

[0004] One of the technical solutions adopted by the present invention to solve the technical problem is: a cargo unloading device with a container rotation protection frame, comprising:

[0005] A cargo fork (5) comprising a supporting fork (51) and a connecting portion (52) fixed to the rear end of the supporting fork (51);

[0006] A rotating attachment (4), wherein the connecting portion (52) is mounted on the rotating attachment (4) and drives the fork (5) to rotate through the rotating attachment (4);

[0007] A protection component (2), comprising a protection frame (21), the protection frame (21) comprising a rectangular frame (211), the protection component (2) being swingably connected to the connection portion (52) and swinging relative to the cargo fork (5) between an open position and a protection position, the protection frame (21) and the support fork (51) of the protection component (2) in the open position forming an opening for forking the container (6), the rectangular frame (211) of the protection component (2) in the protection position abutting against the upper end surface of the opening of the container (6), and the protection frame (21) and the support fork (51) of the protection component (2) holding the container (6) up and down; and

[0008] The driving component (3) is connected to the protection component (2) in a transmission manner and drives the protection component (2) to swing.

[0009] In one embodiment: the support fork (51) and the connecting portion (52) form an L-shaped structure; the driving component (3) is mounted on the connecting portion (52); the protective component (2) has a hinged end (221), the hinged end (221) and the protective frame (21) are respectively located on the front and rear sides of the swing axis, and the driving component (3) is hinged on the hinged end (221).

[0010] In one embodiment: the driving component (3) includes a cylinder mechanism, the cylinder (31) of the cylinder mechanism is hinged to the connecting portion (52), and the piston (32) of the cylinder mechanism is hinged to the hinge end (221).

[0011] In one embodiment, the protective component (2) further comprises a support arm (22), wherein the support arm (22) and the protective frame (21) are fixedly connected together and the support arm (22) has an extension portion extending beyond the protective frame (21), wherein the extension portion is provided with a swing connection structure (222) and the above-mentioned hinged end portion (221), and the support arm (22) is swingably connected to the connection portion (52) via the swing connection structure (222).

[0012] In one embodiment, the extending portion is provided with a downwardly convex portion and a rearwardly convex portion, the swing connection structure (222) is provided at the downwardly convex portion, and the hinged end portion (221) is provided at the rearwardly convex portion.

[0013] In one embodiment: the rectangular frame (211) comprises a front section, a rear section and two side sections which are fixedly enclosed to form a rectangle; the protection frame (21) further comprises an upper section (212) and a diagonal bracing section (213) located above the rear section, the upper section (212) and the rear section are fixedly connected together, and the diagonal bracing section (213) is fixedly connected to the upper section (212) and the side section or the front section.

[0014] In one embodiment, the front section and the rear section of the rectangular frame (211) are both fixedly connected to the support arm (22).

[0015] In one embodiment, at least two support arms (22) are provided, and at least two support arms (22) are arranged at intervals along the swing axis.

[0016] In one embodiment, the protective component (2) is provided with a protective protrusion (223) extending downward, and the protective protrusion (223) of the protective component (2) located in the protective position abuts against the front side wall of the open outer peripheral wall of the container (6) or is located in front of the front side wall of the open outer peripheral wall of the container (6).

[0017] In one embodiment: the front end of the support arm (22) is provided with a protective protrusion (223) extending downward, and the protective protrusion (223) of the protective component (2) located in the protective position abuts against the front side wall of the open outer peripheral wall of the container (6) or is located in front of the front side wall of the open outer peripheral wall of the container (6).

[0018] In one embodiment, the bottom wall of the support arm (22) is provided with front and rear limiting parts (224), and the front and rear limiting parts (224) of the protection component (2) located in the protection position are respectively pressed against the front and rear side walls of the open inner peripheral wall of the container (6).

[0019] In one embodiment, a friction surface (225) is provided in the area of ​​the bottom wall of the support arm (22) corresponding to the upper end surface of the opening of the container (6).

[0020] In one embodiment: further comprising:

[0021] A vibration device (7) is mounted on the connecting portion (52).

[0022] The second technical solution adopted by the present invention to solve the technical problem is: a cargo unloading device with a container rotation protection frame, comprising:

[0023] A cargo fork (5) comprising a supporting fork (51) and a connecting portion (52) fixed to the rear end of the supporting fork (51);

[0024] A rotating attachment (4), wherein the connecting portion (52) is mounted on the rotating attachment (4) and drives the fork (5) to rotate through the rotating attachment (4);

[0025] A protection component (2), comprising a protection frame (21), the protection frame (21) comprising a rectangular frame (211), the protection component (2) being swingably connected to the connection portion (52) and swinging relative to the cargo fork (5) between an open position and a protection position, the protection frame (21) and the support fork (51) of the protection component (2) in the open position forming an opening for forking the container (6), the rectangular frame (211) of the protection component (2) in the protection position being sleeved on the outer peripheral wall of the open opening of the container (6), the top being abutted against the upper end surface of the open opening of the container (6), and the protection frame (21) and the support fork (51) of the protection component (2) holding the container (6) tightly from top to bottom; and

[0026] The driving component (3) is connected to the protection component (2) in a transmission manner and drives the protection component (2) to swing.

[0027] Compared with the background technology, this technical solution has the following advantages:

[0028] The protection frame and support fork of the protection component in the open position form an opening for forking the container, so that the container can be inserted into the opening, and the protection component swings to the protection position. On the one hand, the protection frame and support fork of the protection component hold the container up and down to fix the container, and on the other hand, in the subsequent rotating attachment driving the fork to rotate so that the objects in the container pass through the opening and the protection frame is unloaded, the rectangular frame top of the protection component abuts against the upper end surface of the container opening, effectively preventing the container from cracking and deformation, and effectively protecting the container from damage during the rotation unloading process, especially when the opening is facing downward after rotating 180 degrees. The protection frame can effectively protect the container; the unloading device of the present technical solution has a simple structure, is easy to operate, safe and reliable, and effectively protects the container from damage during the rotation unloading process. BRIEF DESCRIPTION OF THE DRAWINGS

[0029] The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments.

[0030] Figure 1 It is a structural right view of the unloading device of a specific implementation method, wherein: the protection components in the protection position are represented by solid lines, and the protection components in the open position are represented by dotted lines.

[0031] Figure 2 It is a right side view of the structure of the unloading device fork-connecting the container according to a specific implementation method, wherein: the protection components in the protection position are represented by solid lines, and the protection components in the open position are represented by dotted lines.

[0032] Figure 3 It is one of the three-dimensional structural schematic diagrams of the unloading device of a specific implementation method.

[0033] Figure 4 This is the second schematic diagram of the three-dimensional structure of the unloading device of the specific implementation method.

[0034] Figure 5 It is a three-dimensional structural schematic diagram of a specific implementation method of a unloading device fork-connecting a container.

[0035] Figure 6 It is a schematic diagram of the three-dimensional structure of an unloading device in another specific embodiment.

[0036] Figure 7 It is a structural right view of the unloading device of another specific embodiment. DETAILED DESCRIPTION

[0037] Please refer to Figures 1 to 5 The unloading device with a container rotating protection frame includes a fork 5, a rotating attachment 4, a protection component 2 and a driving component 3. In this specific embodiment, the container 6 is a 20-foot container for bulk cargo and train transportation, but is not limited thereto.

[0038] The fork 5 has a support fork 51 and a connection portion 52 fixed at the rear end of the support fork 51, and the support fork 51 and the connection portion 52 form an L-shaped structure. The connection portion 52 is mounted on the rotating attachment 4 and drives the fork 5 to rotate through the rotating attachment 4. The rotating attachment 4 is installed in the lifting mechanism of a forklift; the specific structure of the rotating attachment 4 is as shown in CN105923578A, "a central seat 43 fixed on the lifting seat, a rotating drive mechanism 42 installed on the lifting seat, a driving gear connected to the rotating drive mechanism, a slewing bearing and a front mounting plate 41 and a rear mounting plate 46, the slewing bearing includes an inner ring 44 and an outer ring 45 that can be rotatably sleeved with each other" (the specific structure can be referred to Figure 7 ).

[0039] The protection component 2 includes a protection frame 21, which includes a rectangular frame 211. The protection component 2 is swingably connected to the connection part 52 and swings between the open position and the protection position relative to the fork 5. The protection frame 21 and the support fork 51 of the protection component 2 in the open position form an opening for forking the container 6. The top of the rectangular frame 211 of the protection component 2 in the protection position is abutted against the upper end surface of the opening of the container 6, and the protection frame 21 and the support fork 51 of the protection component 2 hold the container 6 up and down. In the specific structure, the top of the bottom end surface of the rectangular frame 211 is abutted against the upper end surface of the opening of the container 6 and the whole is in contact. The driving component 3 is mounted on the connection part 52, drivingly connected to the protection component 2 and driving the protection component 2 to swing. The protection component 2 has a hinged end 221, and the hinged end 221 and the protection frame 21 are respectively located at the front and rear sides of the swing axis. The driving component 3 is hinged at the hinged end 221, so the driving component 3 can be installed behind the connection part 52, which is not only reasonable in layout, compact in structure, easy to install, but also has high driving efficiency of the driving component 3. The driving component 3 comprises a cylinder mechanism, a cylinder 31 of the cylinder mechanism is hinged to the connecting portion 52, and a piston 32 of the cylinder mechanism is hinged to the hinge end portion 221, and the structure is simple.

[0040] The protection component 2 also includes a support arm 22, which is fixedly connected to the protection frame 21 and has an extension portion extending out of the protection frame 21. The extension portion is provided with a swing connection structure 222 and the above-mentioned hinged end 221. The support arm 22 is swingably connected to the connection portion 52 through the swing connection structure 222. The specific structure is provided with a pin shaft passing through the swing connection structure (pivot hole structure) and the pivot hole at the top end of the connection rod 53 provided at the connection portion 52. On the one hand, the support arm 22 plays a role in driving the protection frame 21 to swing, and on the other hand, the support arm 22 strengthens the strength of the protection frame 21 and strengthens the protection effect of the protection component 2 on protecting the container 6. The extension portion is provided with a lower convex portion convex downward and a rear convex portion convex backward. The swing connection structure 222 is provided at the lower convex portion, and the hinged end 221 is provided at the rear convex portion, so that the protection component 2 avoids interference with the container 6 during the swinging process, and the protection frame 21 of the protection component 2 in the protection position is abutted against the open upper end surface of the container 6.

[0041] The rectangular frame 211 has a front section, a rear section and two side sections that are fixed to form a rectangle; the protection frame 21 also includes an upper section 212 and a diagonal brace section 213 located above the rear section. The upper section 212 and the rear section are fixed together at intervals, and the diagonal brace section 213 is fixed to the upper section 212 and the side section to avoid deformation of the side section and the front section and to strengthen the strength of the protection frame 21. The front section and the rear section of the rectangular frame 211 are fixed to the support arm 22 to strengthen the strength of the protection frame 21 and the strength of the protection component 2. If the front section and the rear section are a whole section structure or a segmented structure, if the segmented structure is formed by fixing to the support arm 22, the front section and the rear section are formed. If the above-mentioned fixing and fixing are welded, and the sections are made of channel steel structure, they can withstand greater impact force and are safe and reliable. The support arm 22 is provided with at least two, and at least two support arms 22 are arranged at intervals along the swing axis to strengthen the strength of the protection component.

[0042] The bottom wall of the support arm 22 is provided with front and rear limit parts 224, and the front and rear limit parts 224 of the protection component 2 located at the protection position are respectively pressed against the front and rear side walls of the inner peripheral wall of the opening of the container 6, so as to strengthen the holding strength of the unloading device to hold the container 6, and strengthen the fixing firmness and fixing stability of the fixed container 6. The bottom wall of the support arm 22 is provided with a friction surface 225 in the area corresponding to the upper end surface of the opening of the container 6, and the friction between the friction surface 225 and the upper end surface of the container 6 strengthens the fixing firmness and fixing stability of the fixed container.

[0043] A protective protrusion 223 extending downward is provided at the front end of the support arm 22. The protective protrusion 223 of the protective component 2 located in the protective position presses against the front side wall of the open outer peripheral wall of the container 6 or is located in front of the front side wall of the open outer peripheral wall of the box 6 to enhance the fixing firmness and stability of the container 6 or to play a protective role. In the figure, the protective protrusion 223 is located in front of the front side wall of the open outer peripheral wall of the box 6.

[0044] The process of rotating and unloading the container 6: first, the piston 32 of the cylinder mechanism retracts, driving the support arm 22 to swing, and the support arm 22 drives the protection frame 21 to the open position (open), the protection frame 21 and the support fork 51 are opposite to form an opening, and the container 6 is inserted into the opening; then, the piston 32 of the cylinder mechanism extends, driving the support arm 22 to swing back, and the support arm 22 drives the protection frame 21 to the protection position (closed); finally, the rotating attachment 4 drives the fork 5 to rotate and unload, and the goods are unloaded from the open container 6 and the protection frame 21. During the rotation process, the protection frame 21 holds the container 6, effectively preventing the container from cracking and deformation.

[0045] Another specific implementation method, which is different from the previous specific implementation method in that: Figure 6 and Figure 7 According to needs, it also includes a vibration device 7, which is installed on the connecting part 52. It acts on the container 6 to vibrate the goods in the container 6 that are stuck to the wall of the container. The vibration device may include a vibration plate, a motor, and an eccentric wheel connected to the motor. The eccentric wheel is installed inside the vibration plate. The motor drives the eccentric wheel to rotate at a high speed to drive the vibration plate to vibrate. The vibration device is also like the vibration mechanism of a vibrating screen or the vibration mechanism of a road roller.

[0046] In another specific embodiment, it is different from the first specific embodiment in that: the inner peripheral wall of the rectangular frame of the protection frame is a stepped structure with a larger bottom and a smaller top to form a stepped rectangular hole, and the stepped rectangular hole includes an upper small rectangular hole, a lower large rectangular hole and a stepped surface between the upper small rectangular hole and the lower large rectangular hole. The lower large rectangular hole is sleeved on the open outer peripheral wall of the container 6, and the top of the stepped surface is abutted against the open upper end surface of the container 6.

[0047] The above description is only a preferred embodiment of the present invention, and therefore cannot be used to limit the scope of the present invention. That is, equivalent changes and modifications made according to the patent scope of the present invention and the contents of the specification should still fall within the scope of the present invention.

Claims

1. A cargo unloading device with a container rotating protection frame, comprising: A cargo fork (5) comprising a supporting fork (51) and a connecting portion (52) fixed to the rear end of the supporting fork (51); A rotating attachment (4), wherein the connecting portion (52) is mounted on the rotating attachment (4) and drives the fork (5) to rotate through the rotating attachment (4); It is characterized by: also including: A protection component (2), comprising a protection frame (21), the protection frame (21) comprising a rectangular frame (211), the protection component (2) being swingably connected to the connection portion (52) and swinging relative to the cargo fork (5) between an open position and a protection position, the protection frame (21) and the support fork (51) of the protection component (2) in the open position forming an opening for forking the container (6), the rectangular frame (211) of the protection component (2) in the protection position abutting against the upper end surface of the opening of the container (6), and the protection frame (21) and the support fork (51) of the protection component (2) holding the container (6) up and down; and The driving component (3) is connected to the protection component (2) in a transmission manner and drives the protection component (2) to swing.

2. The unloading device with a container rotation protection frame according to claim 1, characterized in that: The support fork (51) and the connecting portion (52) form an L-shaped structure; the driving component (3) is mounted on the connecting portion (52); the protective component (2) has a hinged end (221), the hinged end (221) and the protective frame (21) are respectively located at the front and rear sides of the swing axis, and the driving component (3) is hinged on the hinged end (221).

3. The unloading device with a container rotation protection frame according to claim 2 is characterized in that: The driving component (3) comprises a cylinder mechanism, wherein the cylinder (31) of the cylinder mechanism is hinged to the connecting portion (52), and the piston (32) of the cylinder mechanism is hinged to the hinge end portion (221).

4. The unloading device with a container rotation protection frame according to claim 2, characterized in that: The protective component (2) also includes a support arm (22), the support arm (22) and the protective frame (21) are fixedly connected together, and the support arm (22) has an extension portion extending out of the protective frame (21), the extension portion is provided with a swing connection structure (222) and the above-mentioned hinged end (221), and the support arm (22) is swingably connected to the connection portion (52) via the swing connection structure (222).

5. The unloading device with a container rotation protection frame according to claim 4, characterized in that: The extension portion is provided with a downwardly convex portion and a rear convex portion that convexes backwards, the swing connection structure (222) is provided at the downwardly convex portion, and the hinged end portion (221) is provided at the rear convex portion.

6. The unloading device with a container rotation protection frame according to claim 4, characterized in that: The rectangular frame (211) comprises a front section, a rear section and two side sections which are fixedly enclosed to form a rectangle; the protection frame (21) further comprises an upper section (212) and an oblique support section (213) located above the rear section, the upper section (212) and the rear section are fixedly connected together, and the oblique support section (213) is fixedly connected to the upper section (212) and the side section or the front section.

7. The unloading device with a container rotation protection frame according to claim 6, characterized in that: The front section and the rear section of the rectangular frame (211) are both fixedly connected to the support arm (22).

8. The unloading device with a container rotation protection frame according to claim 4, characterized in that: At least two support arms (22) are provided, and the at least two support arms (22) are arranged at intervals along the swing axis.

9. The unloading device with a container rotation protection frame according to claim 1, characterized in that: The protection component (2) is provided with a protection convex portion (223) extending downward, and the protection convex portion (223) of the protection component (2) located at the protection position abuts against the front side wall of the open outer peripheral wall of the container (6) or is located in front of the front side wall of the open outer peripheral wall of the container (6).

10. The unloading device with a container rotation protection frame according to claim 4, characterized in that: The front end of the support arm (22) is provided with a protection convex portion (223) extending downward, and the protection convex portion (223) of the protection component (2) located at the protection position abuts against the front side wall of the open outer peripheral wall of the container (6) or is located in front of the front side wall of the open outer peripheral wall of the container (6).

11. The unloading device with a container rotation protection frame according to claim 4, characterized in that: The bottom wall of the support arm (22) is protrudingly provided with front and rear limiting parts (224), and the front and rear limiting parts (224) of the protection component (2) located at the protection position respectively abut against the front and rear side walls of the open inner peripheral wall of the container (6).

12. The unloading device with a container rotation protection frame according to claim 4, characterized in that: A friction surface (225) is provided in the area of ​​the bottom wall of the support arm (22) corresponding to the upper end surface of the opening of the container (6).

13. The unloading device with container rotation protection frame according to claim 1, characterized in that: Also includes: A vibration device (7) is mounted on the connecting portion (52).

14. A cargo unloading device with a container rotation protection frame, comprising: A cargo fork (5) comprising a supporting fork (51) and a connecting portion (52) fixed to the rear end of the supporting fork (51); A rotating attachment (4), wherein the connecting portion (52) is mounted on the rotating attachment (4) and drives the fork (5) to rotate through the rotating attachment (4); It is characterized by: also including: A protection component (2), comprising a protection frame (21), the protection frame (21) comprising a rectangular frame (211), the protection component (2) being swingably connected to the connection portion (52) and swinging relative to the cargo fork (5) between an open position and a protection position, the protection frame (21) and the support fork (51) of the protection component (2) in the open position forming an opening for forking the container (6), the rectangular frame (211) of the protection component (2) in the protection position being sleeved on the outer peripheral wall of the open opening of the container (6), the top being abutted against the upper end surface of the open opening of the container (6), and the protection frame (21) and the support fork (51) of the protection component (2) holding the container (6) tightly from top to bottom; and The driving component (3) is connected to the protection component (2) in a transmission manner and drives the protection component (2) to swing.

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