Unloading device with container rotating protection frame

By designing a container rotation protection frame unloading device, the problem of container cracking and deformation during rotation unloading was solved, achieving safe and reliable container protection.

CN223906476UActive Publication Date: 2026-02-13XIAMEN XIAJIN MACHINERY

Patent Information

Application Number
CN202520716890.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-16
Publication Date
2026-02-13
Estimated Expiration
2035-04-16

AI Technical Summary

Technical Problem

During the unloading process, existing unloading devices can cause the container to crack or deform due to centrifugal force, posing safety hazards and affecting its service life.

Method used

A loading device with a container rotation protection frame was designed, including a protection component and a drive component. The protection component is connected to the forks by a swinging motion and can switch between an open position and a protected position. When in the protected position, it presses against the upper surface of the container opening to prevent the container from cracking and deforming.

Benefits of technology

It effectively protects containers from damage during rotating unloading, has a simple structure, is easy to operate, safe and reliable, and ensures the integrity of the containers.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model 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.
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Description

TECHNICAL FIELD

[0001] The utility model relates to container handling equipment technical field especially relates to unloading device with container rotation protection frame. BACKGROUND

[0002] Chinese patent database CN105923578A discloses "unloading device for use on fork loader", it includes lifting seat, fork part, embrace drive mechanism, embrace mechanism, center seat, rotary drive mechanism, drive gear, slewing bearing and front mounting plate. The embrace drive mechanism transmission connection embrace mechanism to drive embrace mechanism relative fork part in embrace position and loose embrace position activity, located embrace mechanism and fork part cooperation and embrace loading box in embrace position, the slewing bearing includes the inner ring and the outer ring that can rotate sleeve connection each other, the outer ring and lifting seat fixed connection, the inner ring is equipped with the internal gear, the drive gear engages internal gear, the front mounting plate rotates sleeve connection in the center seat outside and fixed connection inner ring, the fork part and front mounting plate fixed connection. It has the advantages of convenient and fast unloading, large anti-rollover capacity, large power output capacity, but in the bulk cargo container rotation unloading process, because the container will be subjected to large centrifugal force in the rotation process, easy to cause container side wall cracking or deformation, there is a security risk, and influence container service life, therefore have the further improvement needs. SUMMARY

[0003] The utility model provides a kind of unloading device with container rotation protection frame, it overcomes the deficiency in background art.

[0004] One of the technical solutions adopted by the utility model to solve its technical problems is: an unloading device with container rotation protection frame, comprising:

[0005] Fork (5) has support fork (51) and connecting portion (52) fixedly arranged at the rear end of support fork (51);

[0006] Rotary tool (4), the connecting portion (52) is attached to the rotary tool (4) and drives the fork (5) to rotate through the rotary tool (4);

[0007] Protection component (2) includes protection frame (21), the protection frame (21) includes rectangular frame (211), the protection component (2) is swing-connected to the connecting portion (52) and swings relative to the fork (5) between the open position and the protection position, the protection frame (21) of the protection component (2) in the open position forms the opening of the forked container (6) with the support fork (51), and the rectangular frame (211) of the protection frame (21) of the protection component (2) in the protection position abuts against the upper end surface of the open container (6) and the protection frame (21) of the protection component (2) and the support fork (51) tightly embrace the container (6) up and down.

[0008] A driving component (3) is drivingly connected to the protection component (2) 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 attached to the connecting portion (52); the protection component (2) has a hinged end portion (221), which is located on the front or rear side of the swinging axis, and the driving component (3) is hinged to the hinged end portion (221).

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

[0011] In one embodiment: the protection component (2) further comprises a support arm (22), which is fixedly connected to the protection frame (21) and has an extension portion extending behind the protection frame (21), the extension portion being provided with the swinging connection structure (222) and the hinged end portion (221) mentioned above, and the support arm (22) is swingingly connected to the connecting portion (52) through the swinging connection structure (222).

[0012] In one embodiment: the extension portion is provided with a lower convex portion and a rear convex portion, the swinging connection structure (222) is arranged on the lower convex portion, and the hinged end portion (221) is arranged on the rear convex portion.

[0013] In one embodiment: the rectangular frame (211) has a front section, a rear section, and two side sections fixedly surrounding a rectangle; the protection frame (21) further comprises an upper section (212) located on the rear section and a diagonal support section (213), the upper section (212) is fixedly connected to the rear section, and the diagonal support 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 fixedly connected to the support arm (22).

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

[0016] In one embodiment: the protection component (2) is provided with a downwardly extending protection convex portion (223), and the protection convex portion (223) of the protection component (2) in the protection position abuts against or is located in front of the front side wall of the outer peripheral wall of the container (6).

[0017] In an embodiment, the support arm (22) is provided with a downwardly extending protection protrusion (223) at the front end thereof, and the protection protrusion (223) of the protection component (2) in 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).

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

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

[0020] In an embodiment, the device further comprises:

[0021] A vibrating device (7) is attached to the connecting portion (52).

[0022] The second technical solution adopted by the utility model to solve the technical problems is: an unloading device with a container rotating protection frame, comprising:

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

[0024] A rotating tool (4) is attached to the connecting portion (52) and drives the fork (5) to rotate through the rotating tool (4);

[0025] A protection component (2) comprises a protection frame (21), the protection frame (21) comprises a rectangular frame (211), the protection component (2) is swing-connected to the connecting portion (52) and swings relative to the fork (5) between an open position and a protection position, the protection frame (21) of the protection component (2) in the open position forms a fork to open the opening of the container (6), the rectangular frame (211) of the protection component (2) in the protection position is sleeved on the open outer peripheral wall of the container (6), abuts against the upper end surface of the opening of the container (6) and the protection frame (21) of the protection component (2) and the support fork (51) tightly embrace the container (6) up and down; and

[0026] A driving component (3) is drivingly connected to the protection component (2) and drives the protection component (2) to swing.

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

[0028] The protection frame and support fork of the protection component in the open position form an opening of the forked container, the container is inserted into the opening, the protection component is swung to the protection position, on the one hand, the protection frame and support fork of the protection component tightly embrace the container up and down to fix the container, on the other hand, during the process of rotating the fork by the rotating tool to make the objects in the container pass through the opening, the rectangular frame of the protection component abuts against the upper end face of the opening of the container, effectively preventing the container from cracking and deforming, effectively protecting the container from being damaged during the rotating unloading process, especially when the opening is downward after rotating 180 degrees, the protection frame can effectively protect the container; the unloading device of the technical solution has the advantages of simple structure, convenient operation, safety and reliability, and effectively protecting the container from being damaged during the rotating unloading process. BRIEF DESCRIPTION OF DRAWINGS

[0029] The utility model will be further described below in combination with the drawings and specific embodiments.

[0030] Figure 1 is the structure right view of the unloading device of the specific embodiment, wherein: the protection component in the protection position is indicated by solid lines, and the protection component in the open position is indicated by dotted lines.

[0031] Figure 2 is the structure right view of the unloading device forked container of the specific embodiment, wherein: the protection component in the protection position is indicated by solid lines, and the protection component in the open position is indicated by dotted lines.

[0032] Figure 3 is one of the three-dimensional structure schematic diagram of the unloading device of the specific embodiment.

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

[0034] Figure 5 is the three-dimensional structure schematic diagram of the unloading device forked container of the specific embodiment.

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

[0036] Figure 7 is the structure right view of the unloading device of another specific embodiment. SPECIFIC EMBODIMENT

[0037] Please refer to Figures 1 to 5 An unloading device with a container rotating protection frame, comprising a fork 5, a rotating tool 4, a protection component 2 and a driving component 3. In the specific embodiment, the container 6 is a 20-foot container for transporting bulk goods and used for train transportation, but is not limited thereto.

[0038] The fork 5 has a support fork 51 and a connecting part 52 fixed at the rear end of the support fork 51, and the support fork 51 and the connecting part 52 form an L-shaped structure. The connecting part 52 is attached to the rotating tool 4 and drives the fork 5 to rotate through the rotating tool 4, such as the lifting mechanism installed on the forklift; the specific structure of the rotating tool 4 is as follows: a central seat 43 fixed to the lifting seat, a rotating driving mechanism 42 installed on the lifting seat, a driving gear connected to the rotating driving 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 connected to each other (the specific structure can refer to CN105923578A Figure 7 ) for details.

[0039] The protection part 2 includes a protection frame 21, which includes a rectangular frame 211, and the protection part 2 is swing-connected to the connecting part 52 and swings relative to the fork 5 between the open position and the protection position. The protection frame 21 of the protection part 2 in the open position forms an opening for the fork to connect the container 6, and the rectangular frame 211 of the protection part 2 in the protection position abuts against the upper end face of the opening of the container 6 and the protection frame 21 and the support fork 51 of the protection part 2 tightly embrace the container 6 from top to bottom, and in the specific structure, the bottom end face of the rectangular frame 211 abuts against the upper end face of the opening of the container 6 and is in overall contact. The driving part 3 is attached to the connecting part 52, is drivingly connected to the protection part 2, and drives the protection part 2 to swing. The protection part 2 has a hinged end 221, which is located on the front and rear sides of the swing axis respectively with the protection frame 21, and the driving part 3 is hinged to the hinged end 221, so that the driving part 3 can be installed behind the connecting part 52, which not only has reasonable layout and compact structure, but also is convenient to install and has high driving efficiency. The driving part 3 includes an oil cylinder mechanism, an oil cylinder 31 of the oil cylinder mechanism is hinged to the connecting part 52, and a piston 32 of the oil cylinder mechanism is hinged to the hinged end 221, which has simple structure.

[0040] The protection component 2 further comprises a support arm 22 which is fixedly connected with the protection frame 21 and has an extension part extending beyond the protection frame 21, and the extension part is provided with a swing connection structure 222 and the aforesaid hinge end part 221, and the support arm 22 is swingably connected with the connecting part 52 through the swing connection structure 222, and the specific structure is that a pin shaft is arranged through the swing connection structure (pivot hole structure) and a pivot hole arranged at the top end of the connecting rod 53 of the connecting part 52. On one hand, the support arm 22 plays a role of swinging the protection frame 21, 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 the container 6. The extension part is provided with a lower convex part and a rear convex part, the swing connection structure 222 is arranged at the lower convex part, and the hinge end part 221 is arranged at the rear convex part, so that the protection component 2 avoids interference with the container 6 during swinging, and the top of the protection frame 21 of the protection component 2 at the protection position abuts against the upper end face of the opening of the container 6.

[0041] The rectangular frame 211 has a front section, a rear section and two side sections which are fixedly arranged to form a rectangle, the protection frame 21 further comprises an upper section 212 arranged above the rear section and a diagonal support section 213, the upper section 212 and the rear section are fixedly arranged in a spaced-apart manner, and the diagonal support section 213 is fixedly connected with the upper section 212 and the side section, so as to avoid deformation of the side section and the front section and strengthen the strength of the protection frame 21. The front section and the rear section of the rectangular frame 211 are fixedly connected with the support arm 22, so as to strengthen the strength of the protection frame 21 and the strength of the protection component 2, and the front section and the rear section are in the form of an integral section or a segmented section, and if the front section and the rear section are in the form of a segmented section, the front section and the rear section are formed by being fixedly connected with the support arm 22. The aforesaid fixedly connected and fixed manner is welding, and each section is made of a channel steel structure, so as to be able to withstand a large impact force and be safe and reliable. The support arm 22 is provided with at least two support arms 22 which are arranged in a spaced-apart manner along the swing axis, so as to strengthen the strength of the protection component.

[0042] The bottom wall of the support arm 22 is provided with front and rear limiting parts 224, the front and rear limiting parts 224 of the protection component 2 at the protection position abut 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 on the container 6 and strengthen the fixing firmness and stability of the fixed container 6. The region of the bottom wall of the support arm 22 corresponding to the upper end face of the opening of the container 6 is provided with a friction surface 225, and the fixing firmness and stability of the fixed container 6 are strengthened by the friction force between the friction surface 225 and the upper end face of the container 6.

[0043] The front end of the support arm 22 is provided with a downwardly extending protection convex part 223, the protection convex part 223 of the protection component 2 at the protection position abuts against the front side wall of the outer peripheral wall of the opening of the container 6 or is located in front of the front side wall of the outer peripheral wall of the opening of the container 6, so as to strengthen the fixing firmness and stability of the fixed container 6 or play a protection role, and in the figure, the protection convex part 223 is located in front of the front side wall of the outer peripheral wall of the opening of the container 6.

[0044] The rotating unloading process of the container 6: first, the piston 32 of the oil cylinder mechanism is retracted, the support arm 22 is swung, the support arm 22 drives the protective frame 21 to the open position (open), the protective frame 21 and the support fork 51 are opposite to form an opening, the container 6 is inserted into the opening; then, the piston 32 of the oil cylinder mechanism is extended, the support arm 22 is swung back, the support arm 22 drives the protective frame 21 to the protection position (closed); finally, the rotating tool 4 drives the fork 5 to rotate and unload, the goods are unloaded from the container 6 opening, the protective frame 21 holds the container 6, effectively preventing the container from cracking and deforming.

[0045] Another embodiment, which is different from the above embodiment, is that please refer to Figure 6 and Figure 7 , according to the needs, further comprising a vibrating device 7, the vibrating device is attached to the connecting part 52, which acts on the container 6 to vibrate the goods stuck to the wall of the container 6 in the container 6, the vibrating device such as including a vibrating plate, a motor, an eccentric wheel connected to the motor by transmission, the eccentric wheel is installed inside the vibrating plate, the motor drives the eccentric wheel to rotate at high speed to drive the vibrating plate to vibrate, the vibrating device is also like the vibrating mechanism of the vibrating screen or the vibrating mechanism of the road roller.

[0046] Another embodiment, which is different from the first embodiment, is that the inner wall of the rectangular frame of the protective frame is a stepped structure from large to small to form a stepped rectangular hole, the stepped rectangular hole includes a small rectangular hole, a large rectangular hole and a stepped surface between the small rectangular hole and the large rectangular hole, the large rectangular hole is sleeved on the outer wall of the opening of the container 6, and the stepped surface abuts against the upper end surface of the opening of the container 6.

[0047] The above is only the preferred embodiment of the present application, therefore cannot limit the scope of the present application, that is, equivalent changes and modifications made according to the scope of the present application and the content of the specification should still be within the scope of the present application.

Claims

1. A container unloading device with a container rotating protection frame, comprising: a fork (5) having a support fork (51) and a connecting part (52) fixed at the rear end of the support fork (51); a rotating tool (4), the connecting part (52) being attached to the rotating tool (4) and driving the fork (5) to rotate through the rotating tool (4); characterized in that it further comprises: a protection part (2) including a protection frame (21), the protection frame (21) including a rectangular frame (211), the protection part (2) being swingably connected to the connecting part (52) and swinging relative to the fork (5) between an open position and a protection position, the protection frame (21) of the protection part (2) in the open position forming an opening for the fork (5) to enter the container (6), the rectangular frame (211) of the protection part (2) in the protection position abutting against the upper end face of the opening of the container (6) and the protection frame (21) of the protection part (2) and the support fork (51) embracing the container (6) from top to bottom; and a driving part (3) drivingly connected to the protection part (2) and driving the protection part (2) to swing.

2. A de-stacking device with a rotating protective frame for containers as claimed in claim 1, characterized in that: The support fork (51) and the connecting part (52) form an L-shaped structure; the driving part (3) is attached to the connecting part (52); the protection part (2) has a hinged end (221), the hinged end (221) and the protection frame (21) being located on the front and rear sides of the swing axis respectively, and the driving part (3) is hinged to the hinged end (221).

3. A de-stacking device with a rotating protective frame for containers as claimed in claim 2, characterized in that: The driving part (3) includes a cylinder mechanism, a cylinder (31) of the cylinder mechanism being hinged to the connecting part (52), and a piston (32) of the cylinder mechanism being hinged to the hinged end (221).

4. The unloading device with a container rotation protection frame according to claim 2, characterized in that: The protection part (2) further includes a support arm (22), the support arm (22) and the protection frame (21) being fixed together and the support arm (22) having an extension part extending behind the protection frame (21), the extension part being provided with a swing connection structure (222) and the above-mentioned hinged end (221), and the support arm (22) being swingably connected to the connecting part (52) through the swing connection structure (222).

5. A de-stacking device with a rotating protective frame for containers as claimed in claim 4, characterized in that: The extension part is provided with a lower convex part and a rear convex part, the swing connection structure (222) being arranged on the lower convex part, and the hinged end (221) being arranged on the rear convex part.

6. A de-stacking device with a rotating protective frame for containers as claimed in claim 4, characterized in that: The rectangular frame (211) has a front section, a rear section and two side sections fixed to form a rectangle; the protection frame (21) further includes an upper section (212) above the rear section and a diagonal support section (213), the upper section (212) and the rear section being fixed together, and the diagonal support section (213) being fixed to the upper section (212) and the side section or the front section.

7. A de-stacking device with a rotating protective frame for containers as claimed in claim 6, characterized in that: The front section and the rear section of the rectangular frame (211) are fixed to the support arm (22).

8. A de-stacking device with a rotating protective frame for containers as claimed in claim 4, characterized in that: The support arm (22) is provided with at least two, and the at least two support arms (22) are arranged along the swing axis at intervals.

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

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

11. A de-stacking device with a rotating protective frame for containers as claimed in claim 4, characterized in that: The bottom wall of the support arm (22) is provided with front and rear limiting portions (224), and the front and rear limiting portions (224) of the protection component (2) in the protection position are respectively abutted against the front and rear side walls of the inner peripheral wall of the opening of the container (6).

12. A de-stacking device with a rotating protective frame for containers as claimed in claim 4, characterized in that: The area of the upper end surface of the opening of the container (6) of the bottom wall of the support arm (22) is provided with a friction surface (225).

13. The unloading apparatus having a container rotation protection frame according to claim 1, characterized in that: Further comprising: a vibration device (7) attached to the connecting portion (52).

14. A container unloading device with a container rotating protection frame, comprising: a fork (5) having a support fork (51) and a connecting portion (52) fixed at the rear end of the support fork (51); a rotating tool (4), and the connecting portion (52) is attached to the rotating tool (4) and drives the fork (5) to rotate through the rotating tool (4); characterized in that it further comprises: a protection component (2) comprising a protection frame (21), the protection frame (21) comprising a rectangular frame (211), the protection component (2) is swingably connected to the connecting portion (52) and swings relative to the fork (5) between an open position and a protection position, the protection frame (21) of the protection component (2) in the open position and the support fork (51) form a fork to open the opening of the container (6), the rectangular frame (211) of the protection component (2) in the protection position is sleeved on the outer peripheral wall of the opening of the container (6), abutted against the upper end surface of the opening of the container (6) and the protection frame (21) of the protection component (2) and the support fork (51) tightly embrace the container (6) up and down; and a driving component (3) drivingly connected to the protection component (2) and driving the protection component (2) to swing.

Citation Information

Patent Citations

  • Unloading device applied to fork loading machine

    CN105923578A

Cited By

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    PL133283U1