Three-stage fork arm carrier
The three-level fork arm system with interchangeable components addresses the limitations of traditional fork arms by enabling insertion, pulling, or lifting operations based on cargo needs, enhancing adaptability in transportation.
Patent Information
- Application Number
- CN202422230314.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-09-11
- Publication Date
- 2025-07-15
- Estimated Expiration
- 2034-09-11
AI Technical Summary
The existing fork racks cannot adapt to different working conditions during the handling process, especially the lack of a structure that restricts the horizontal movement of the goods, which makes it impossible to insert the goods for handling, and the design of the existing fork racks is not suitable for pulling goods.
A three-level cargo fork rack is designed, including a frame body, fork sleeve, rod sleeve and transport parts. The transport parts can be replaced with a circular fork, a pull rod or a fork arm as needed, which are used to insert, pull and move goods up and down respectively to meet different handling needs.
It realizes switching of transport parts according to working conditions, and can be inserted into the bales for handling, traction or moving goods up and down, improving the applicability and efficiency of the fork rack.
Smart Images
Figure CN223102655U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of logistics transportation, and particularly relates to a three-stage fork frame. Background Art
[0002] The fork frame is a key component for the load-bearing of the forklift working device. When the forklift is in operation, the fork frame is sleeved inside the inner mast. Under the action of external force, the fork frame moves up and down inside the inner mast to realize the forklift operation. Forks, also known as fork arms, are components on the fork frame used for carrying goods. They are usually made of strong metal, with a certain length and load-bearing capacity to carry various types and weights of goods.
[0003] At present, the existing fork frame is connected to the lifting system of the forklift and can move up and down to lift or lower goods, cooperating with the forklift to achieve the handling function. However, since there is no structure on the fork frame to limit the horizontal movement of the goods, it is not suitable for the working conditions of pulling goods for handling. In addition, the forks of the existing fork frame are usually of two L-shaped structures. Their vertical sections are the supporting parts, and the horizontal sections are the working parts for inserting and placing goods. Since the horizontal sections of the forks are designed to be flat, although it can ensure the stability of the goods during handling, it is not conducive to inserting into the goods, so it is not suitable for the working conditions of inserting goods for handling, such as the handling of bales of hay.
[0004] In view of the single application scenario of the existing fork frame, it is necessary to provide a three-stage fork frame to meet the requirements of different handling working conditions. Content of the Utility Model
[0005] In view of this, the purpose of the utility model is to provide a three-stage fork frame, which can switch the handling parts according to different working conditions and is convenient for handling.
[0006] In order to achieve the above purpose, the utility model provides the following technical solutions:
[0007] The three-stage fork frame includes a frame body and a handling part arranged on one side of the frame body. A fork sleeve and a rod sleeve are fixedly connected to the frame body. The handling part is a round fork, a towing rod or a fork arm. One end of the round fork is detachably inserted into the fork sleeve, the other end of the round fork is a tip, one end of the towing rod is detachably inserted into the rod sleeve, and the vertical section of the fork arm is detachably clamped on the frame body.
[0008] As an optional scheme, the frame body includes a channel steel, a cross beam and side plates; the cross beam is arranged above the channel steel, and the two ends of the cross beam and the two ends of the channel steel are respectively connected through the side plates.
[0009] As an optional solution, three fork sleeves are provided, wherein two of the fork sleeves are fixedly connected to both sides of the channel steel, and the other fork sleeve is fixedly connected to the middle part of the crossbeam.
[0010] As an optional solution, a screw that can abut against the round fork is threadedly connected through the side wall of the fork sleeve, and the round fork can be detachably inserted into the fork sleeve through the screw.
[0011] As an optional solution, the rod sleeve is provided with one, and the rod sleeve is fixedly connected to the middle part of the upper surface of the channel steel.
[0012] As an optional solution, the rod sleeve is provided with a latch which can penetrate the rod sleeve and the traction rod, and the traction rod can be detachably inserted into the rod sleeve through the latch.
[0013] As an optional solution, two fork arms are provided, and the two fork arms are respectively provided on both sides of the frame body, and the top and bottom of the vertical section of the fork arm are respectively detachably connected to the cross beam and the channel steel.
[0014] As an optional scheme, the opening of the channel steel faces downward and a strip notch is provided on the bottom edge of one side wall in the middle of the channel steel, and a strip protrusion is provided on one side edge of the upper surface of the beam, extending along the length direction of the beam, and the top and bottom of the vertical section of the fork arm are respectively fixedly connected with L-shaped blocks that can be respectively engaged with the side walls of the beam and the strip protrusion. The fork arm can move left and right along the frame body through the L-shaped block and is restricted by the L-shaped block in forward and backward movement. The two fork arms are moved toward the middle of the frame until the L-shaped block can be detached from the channel steel through the strip notch, thereby removing the two fork arms.
[0015] As an optional solution, a plurality of support plates are arranged between the channel steel and the cross beam, and two ends of the support plates are respectively connected to the channel steel and the cross beam.
[0016] As an optional solution, a hanging plate is fixedly connected to the outer side wall of the channel steel facing away from the transport member, and an inclined plate is fixedly connected to the side of the crossbeam facing away from the transport member.
[0017] Due to the adoption of the above technical solution, the utility model will have the following beneficial effects:
[0018] The three - stage forklift fork provided by the utility model is equipped with a handling member on one side of the frame body, and the handling member is set as a round fork, a towing rod or a fork arm. When it is necessary to insert goods for handling, the round fork is detachably inserted into the fork sleeve and other handling members are removed, and the tip of the round fork is used to directly insert the round fork into the bale and then lift it for transportation and transfer. When it is necessary to tow goods for handling, one end of the towing rod is detachably inserted into the rod sleeve and other handling members are removed, and the other end of the towing rod is connected to the goods, and the goods are towed through the towing rod for handling. When it is necessary to move up and down to lift or lower goods for handling, the vertical section of the fork arm is detachably clamped on the frame body and other handling members are removed, and the horizontal section of the fork arm is used as the working part for forking goods and then moved up and down for handling. Compared with the existing forklift fork, the utility model can switch the handling member according to different working conditions, which is convenient for handling. Brief Description of the Drawings
[0019] In order to more clearly illustrate the technical solutions in the embodiments of the present utility model or the prior art, the following will briefly introduce the drawings required for use in the description of the embodiments or the prior art. Obviously, the following - described drawings are only some embodiments of the present utility model. For those of ordinary skill in the art, without creative efforts, other drawings can also be obtained based on these drawings.
[0020] Figure 1 It is a three - dimensional view of the three - stage forklift fork described in Embodiment 1;
[0021] Figure 2 It is a three - dimensional view of the three - stage forklift fork described in Embodiment 2;
[0022] Figure 3 It is a three - dimensional view of the three - stage forklift fork described in Embodiment 3;
[0023] Figure 4 It is a three - dimensional view of the three - stage forklift fork provided by the present utility model in the state of not installing the handling member;
[0024] Figure 5 For Figure 4 A three - dimensional view from another angle.
[0025] Reference numerals: 1, frame body; 11, channel steel; 111, strip - shaped notch; 12, cross beam; 121, back plate; 122, strip - shaped protrusion; 13, side plate; 14, support plate; 21, round fork; 211, fork sleeve; 212, screw; 22, towing rod; 221, rod sleeve; 222, pin; 23, fork arm; 231, L - shaped block; 31, hanging plate; 32, inclined plate; 321, reinforcing plate; 41, reinforcing rib; 42, reinforcing plate; 51, upper bending plate; 52, pedal; 53, upper vertical plate. Detailed Embodiment
[0026] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present invention without creative efforts shall fall within the protection scope of the present invention.
[0027] In the description of the present invention, it should be noted that the orientation or positional relationship indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. is based on the orientation or positional relationship shown in the drawings. It is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of the present invention. In addition, the terms "first", "second", and "third" are only used for descriptive purposes and cannot be construed as indicating or implying relative importance.
[0028] In the description of the present invention, it should be noted that unless otherwise clearly specified and defined, the terms "installation", "connection", and "connection" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be the communication inside two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.
[0029] Embodiment 1
[0030] Please refer to Figure 1 , Figure 4 and Figure 5 , the three-stage fork rack of this embodiment includes a frame body 1 and a handling member provided on one side of the frame body 1. A fork sleeve 211 and a rod sleeve 221 are fixedly connected to the frame body 1. Among them, the other side of the frame body 1 is connected to the lifting system of an industrial handling vehicle. The handling member is a round fork 21. One end of the round fork 21 is detachably inserted into the fork sleeve 211, and the other end of the round fork 21 is a tip. When in use, the tip of the round fork 21 is used to directly insert the round fork 21 into the bale of hay that has been tied up and compacted, and then the bale of hay can be directly lifted and transported by the lifting system of the forklift. Using the round fork 21 to insert into the goods for handling, its rated load capacity can reach 1 ton.
[0031] Specifically, the frame 1 can be set to include channel steel 11, cross beam 12 and side plates 13; among them, the cross beam 12 is arranged directly above the channel steel 11, and the two ends of the cross beam 12 are flush with the two ends of the channel steel 11 and are respectively connected by vertical side plates 13. Upper bent plates 51 are welded on both sides of the upper surface of the channel steel 11 to lift the frame 1, and the two upper bent plates 51 are connected by a pedal 52 arranged between them; in order to reinforce the upper bent plate 51, the top edge of the upper bent plate 51 can be connected to the channel steel 11 through an upper vertical plate 53 arranged inside the upper bent plate 51.
[0032] Specifically, in order to reinforce the frame 1, three vertical support plates 14 can be arranged along the length direction of the frame 1 between the channel steel 11 and the cross beam 12, and the two ends of the support plate 14 are respectively welded to the channel steel 11 and the cross beam 12; triangular reinforcing ribs 41 are welded to the included angles between the two side surfaces of the middle support plate 14 and the upper surface of the channel steel 11; right trapezoidal reinforcing plates 42 are welded to the included angles between the outer side surfaces of the other two support plates 14 and the upper surface of the channel steel 11; triangular reinforcing ribs 41 are also welded to the included angles between the inner side surfaces of the two side plates 13 and the upper surface of the channel steel 11. The functions of the above-mentioned reinforcing ribs 41 and reinforcing plates 42 are to further reinforce the frame 1.
[0033] Specifically, hanging plates 31 are respectively fixedly connected to both sides of the outer side wall of the channel steel 11 facing away from the handling member, and the hanging plates 31 are arranged obliquely outward from the upper end to the lower end, and the connection part of the hanging plates 31 and the channel steel 11 is a hollow structure. A back plate 121 with side plates 13 flush at both ends is welded to the side of the cross beam 12 facing away from the handling member, and inclined plates 32 are respectively welded to both sides of the side of the back plate 121 facing away from the cross beam 12. The inclination direction and angle of the inclined plates 32 are the same as those of the hanging plates 31, and four reinforcing plates 321 are welded to the upper inclined surface of the inclined plates 32 along the length direction to reinforce the inclined plates 32. The designs of the above-mentioned hanging plates 31 and inclined plates 32 can be used for the slip connection between the frame 1 and the front loader of the tractor and the loader.
[0034] Furthermore, the number of fork sleeves 211 can be set to three, two of which are welded through the reinforcing plates 42 on both sides of the channel steel 11, and the other fork sleeve 211 is welded through the pedal 52 on the upper surface of the middle part of the cross beam 12. The three fork sleeves 211 are distributed in an equilateral triangle, which can improve the stability of the fork sleeves 211.
[0035] More specifically, a screw 212 can be threadedly connected through the side wall of the fork sleeve 211. The screw 212 can be a hexagonal head screw 212. By tightening the screw 212, the screw rod of the screw 212 abuts against the round fork 21 to fix the round fork 21, and by unscrewing the screw 212, the round fork 21 can be removed. In this way, the round fork 21 can be detachably inserted into the fork sleeve 211.
[0036] Embodiment 2
[0037] Please refer to Figure 2 、 Figure 4 and Figure 5 In this embodiment, the three-stage forklift fork frame includes a frame body 1 and a handling member provided on one side of the frame body 1. A fork sleeve 211 and a rod sleeve 221 are fixedly connected to the frame body 1. Among them, the handling member is a traction rod 22, and one end of the traction rod 22 is detachably inserted into the rod sleeve 221. When in use, the other end of the traction rod 22 is connected to the goods, and the goods are pulled by the traction rod 22 for handling, and its rated traction force can reach 1.36 tons.
[0038] Specifically, the frame body 1 can be set to include a channel steel 11, a cross beam 12 and side plates 13. Among them, the cross beam 12 is arranged directly above the channel steel 11, and the two ends of the cross beam 12 are flush with the two ends of the channel steel 11 and are respectively connected by vertical side plates 13. Upper bent plates 51 are respectively welded on both sides of the upper surface of the channel steel 11 to lift the frame body 1, and the two upper bent plates 51 are connected by a pedal 52 arranged between them. In order to reinforce the upper bent plate 51, the top edge of the upper bent plate 51 can be connected to the channel steel 11 through an upper vertical plate 53 arranged inside the upper bent plate 51.
[0039] Specifically, in order to reinforce the frame body 1, three vertical support plates 14 can be arranged along the length direction of the frame body 1 between the channel steel 11 and the cross beam 12. The two ends of the support plate 14 are respectively welded to the channel steel 11 and the cross beam 12. Triangular reinforcing ribs 41 are respectively welded at the angles between the two sides of the middle support plate 14 and the upper surface of the channel steel 11. Right trapezoidal reinforcing plates 42 are welded at the angles between the outer sides of the other two support plates 14 and the upper surface of the channel steel 11. Triangular reinforcing ribs 41 are also welded at the angles between the inner sides of the two side plates 13 and the upper surface of the channel steel 11. The functions of the above-mentioned reinforcing ribs 41 and reinforcing plates 42 are to further reinforce the frame body 1.
[0040] Specifically, hanging plates 31 are respectively fixedly connected to both sides of the outer side wall of the channel steel 11 facing away from the handling member. The hanging plates 31 are arranged obliquely outward from the upper end to the lower end, and the connection part of the hanging plates 31 and the channel steel 11 is a hollow structure. A back plate 121 that is flush with the side plates 13 at both ends is welded to the side of the cross beam 12 facing away from the handling member. Oblique plates 32 are respectively welded to both sides of the side of the back plate 121 facing away from the cross beam 12. The inclination direction and angle of the oblique plates 32 are the same as those of the hanging plates 31. Four reinforcing plates 321 are welded along the length direction of the upper inclined surface of the oblique plates 32 to reinforce the oblique plates 32. The designs of the above-mentioned hanging plates 31 and oblique plates 32 can be used for the slip connection between the frame body 1 and the front loading of the tractor and the loader.
[0041] Further, the number of the rod sleeves 221 can be set to one. The rod sleeve 221 is welded through the middle of the upper surface of the channel steel 11 at the connection part of the middle support plate 14 and the reinforcing ribs 41 on both sides, and is reinforced by the support plate 14 and the reinforcing ribs 41 to improve the stability of the rod sleeve 221.
[0042] More specifically, a pin 222 can be provided on the rod sleeve 221. The pin 222 can adopt a combination of an L-shaped pin and a B-shaped pin. The long side of the L-shaped pin penetrates through the towing rod 22 and the rod sleeve 221, and the B-shaped pin is inserted into the short side of the L-shaped pin to limit the L-shaped pin, thereby fixing the towing rod 22. By pulling out the B-shaped pin and the L-shaped pin, the towing rod 22 can be removed, so that the towing rod 22 can be detachably inserted into the rod sleeve 221.
[0043] Embodiment 3
[0044] Please refer to Figure 3 、 Figure 4 and Figure 5 For this embodiment, the three-stage forklift fork frame includes a frame body 1 and a handling member provided on one side of the frame body 1. A fork sleeve 211 and a rod sleeve 221 are fixedly connected to the frame body 1. Among them, the other side of the frame body 1 is connected to the lifting system of the industrial handling vehicle, and the handling member is a fork arm 23. The vertical section of the fork arm 23 is detachably clamped to the frame body 1. During use, the horizontal section of the fork arm 23 is used as the working part for forking goods. The horizontal section of the fork arm 23 is designed to be flat, which can ensure that the goods remain stable during handling. The fork arm 23 can move up and down to lift or lower the goods for handling.
[0045] Specifically, the frame body 1 can be set to include a channel steel 11, a cross beam 12 and side plates 13. Among them, the cross beam 12 is arranged directly above the channel steel 11. The two ends of the cross beam 12 are flush with the two ends of the channel steel 11 and are respectively connected by vertical side plates 13. Upper bending plates 51 are respectively welded on both sides of the upper surface of the channel steel 11 to lift the frame body 1. The two upper bending plates 51 are connected by a pedal 52 arranged between them. In order to reinforce the upper bending plates 51, the top edges of the upper bending plates 51 can be connected to the channel steel 11 through upper vertical plates 53 arranged inside the upper bending plates 51.
[0046] It should be noted that the above-mentioned channel steel 11 and cross beam 12 are designed according to the standard three-stage forklift fork size and are used for installing national standard three-stage forklift forks. Cooperating with the fork arm 23 of this embodiment, the rated load capacity can reach 3.5 tons.
[0047] Specifically, in order to reinforce the frame body 1, three vertical support plates 14 can be arranged along the length direction of the frame body 1 between the channel steel 11 and the cross beam 12. The two ends of the support plates 14 are respectively welded to the channel steel 11 and the cross beam 12. Triangular reinforcing ribs 41 are respectively welded at the angles between the two sides of the middle support plate 14 and the upper surface of the channel steel 11. Right trapezoidal reinforcing plates 42 are welded at the angles between the outer sides of the other two support plates 14 and the upper surface of the channel steel 11. Triangular reinforcing ribs 41 are also welded at the angles between the inner sides of the two side plates 13 and the upper surface of the channel steel 11. The functions of the above-mentioned reinforcing ribs 41 and reinforcing plates 42 are to further reinforce the frame body 1.
[0048] Specifically, hanging plates 31 are fixedly connected to both sides of the outer sidewall of the channel steel 11 facing away from the handling member. The hanging plates 31 are inclined outward from the upper end to the lower end, and the connection between the hanging plates 31 and the channel steel 11 is a hollow structure. On the side of the cross beam 12 facing away from the handling member, a back plate 121 with both ends flush with the side plates 13 is welded. On both sides of the side of the back plate 121 facing away from the cross beam 12, inclined plates 32 are welded respectively. The inclination direction and angle of the inclined plates 32 are the same as those of the hanging plates 31. Four reinforcing plates 321 are welded along the length direction of the upper inclined surface of the inclined plates 32 to reinforce the inclined plates 32. The above designs of the hanging plates 31 and the inclined plates 32 can be used for the slip connection between the frame body 1 and the front loader of the tractor and the loader.
[0049] Further, the number of the fork arms 23 can be set to two. The two fork arms 23 are respectively arranged on both sides of the frame body 1 and the supporting plates 14 on both sides are aligned front and back. The top and bottom of the vertical section of the fork arm 23 are respectively detachably clamped with the cross beam 12 and the channel steel 11.
[0050] More specifically, the opening of the channel steel 11 faces downward, and a strip-shaped notch 111 is opened at the bottom edge of one sidewall in the middle of the channel steel 11. On one side edge of the upper surface of the cross beam 12, a strip-shaped protrusion 122 extending along the length direction of the cross beam 12 is integrally formed. The top and bottom of the vertical section of the fork arm 23 are respectively integrally formed with L-shaped blocks 231L that can be respectively clamped with the sidewall of the cross beam 12 and the strip-shaped protrusion 122. The fork arm 23 can move left and right along the frame body 1 through the L-shaped blocks 231L, and the front and back movement is restricted by the L-shaped blocks 231L. During use, the two fork arms 23 are moved towards the middle of the frame body 1 until the lower L-shaped block 231L aligns with the strip-shaped notch 111, and then the fork arm 23 is rotated upward with the upper L-shaped block 231L as the center until the lower L-shaped block 231L completely disengages from the channel steel 11 through the strip-shaped notch 111. Finally, the two fork arms 23 can be moved upward to remove them.
[0051] The above embodiments only represent several implementation manners of the present utility model. The description is relatively specific and detailed, but it should not be construed as a limitation on the scope of the patent application. It should be noted that for those of ordinary skill in the art, without departing from the concept of the present utility model, several deformations and improvements can still be made, and these all belong to the protection scope of the present utility model.
Claims
1. Three - stage fork rack, characterized in that, The invention comprises a frame body (1) and a transport member arranged on one side of the frame body (1); a fork sleeve (211) and a rod sleeve (221) are fixedly connected to the frame body (1); the transport member is a round fork (21), a traction rod (22) or a fork arm (23); one end of the round fork (21) is detachably inserted into the fork sleeve (211); the other end of the round fork (21) is a pointed end; one end of the traction rod (22) is detachably inserted into the rod sleeve (221); and the vertical section of the fork arm (23) is detachably clamped on the frame body (1).
2. The three-stage forklift fork frame according to claim 1, characterized in that, The frame (1) comprises a channel steel (11), a crossbeam (12) and a side plate (13); the crossbeam (12) is arranged above the channel steel (11), and the two ends of the crossbeam (12) and the two ends of the channel steel (11) are respectively connected via the side plates (13).
3. The three-stage forklift fork frame according to claim 2, characterized in that, Three fork sleeves (211) are provided, wherein two of the fork sleeves (211) are fixedly connected to both sides of the channel steel (11), and the other fork sleeve (211) is fixedly connected to the middle of the crossbeam (12).
4. The three-stage fork rack according to claim 3, characterized in that A screw (212) that can abut against the round fork (21) is threadedly connected through the side wall of the fork sleeve (211), and the round fork (21) can be detachably inserted into the fork sleeve (211) via the screw (212).
5. The three-stage forklift fork frame according to claim 2, wherein, The rod sleeve (221) is provided with one rod sleeve (221), and the rod sleeve (221) is fixedly connected to the middle part of the upper surface of the channel steel (11).
6. The three-stage fork rack according to claim 5, wherein, The rod sleeve (221) is provided with a latch pin (222) which can penetrate the rod sleeve (221) and the traction rod (22); the traction rod (22) can be detachably plugged into the rod sleeve (221) via the latch pin (222).
7. The three-stage forklift mast according to claim 2, wherein, Two fork arms (23) are provided, and the two fork arms (23) are respectively provided on both sides of the frame body (1), and the top and bottom of the vertical section of the fork arm (23) are respectively detachably connected to the cross beam (12) and the channel steel (11).
8. The three-stage fork rack according to claim 7, characterized in that, The opening of the channel steel (11) faces downward and a strip-shaped notch (111) is provided at the bottom edge of one side wall in the middle of the channel steel (11); a strip-shaped protrusion (122) extending along the length direction of the beam (12) is provided at one side edge of the upper surface of the beam (12); the top and bottom of the vertical section of the fork arm (23) are respectively fixedly connected with an L-shaped block (231L) which can be respectively engaged with the side wall of the beam (12) and the strip-shaped protrusion (122); the fork arm (23) can move left and right along the frame (1) through the L-shaped block (231L) and is restricted from moving forward and backward by the L-shaped block (231L); the two fork arms (23) are moved toward the middle of the frame (1) until the L-shaped block (231L) can be separated from the channel steel (11) through the strip-shaped notch (111), thereby removing the two fork arms (23).
9. The three-stage fork rack according to any one of claims 2-8, characterized in that, A plurality of support plates (14) are arranged between the channel steel (11) and the cross beam (12), and two ends of the support plates (14) are respectively connected to the channel steel (11) and the cross beam (12).
10. The three-stage forklift fork frame according to any one of claims 2-8, characterized in that, A hanging plate (31) is fixedly connected to the outer side wall of the channel steel (11) facing away from the handling member, and an inclined plate (32) is fixedly connected to the side surface of the cross beam (12) facing away from the handling member.