Three-way forklift swing arm frame structure
By using an electric motor-driven rotating and lifting device, combined with a guide and limit assembly, the boom frame structure of the three-way forklift has been optimized, achieving efficient rotation and lifting of the forks. This solves the problems of high energy consumption and insufficient space utilization, and adapts to the needs of narrow aisles.
Patent Information
- Application Number
- CN202423107256.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-17
- Publication Date
- 2025-12-26
- Estimated Expiration
- 2034-12-17
AI Technical Summary
Existing forklift structures consume a lot of energy when driving the forks to rotate, and occupy a large amount of aisle space, making it difficult to make efficient use of narrow aisle space.
The rotating and lifting devices are driven by electric motors, and the forks can be rotated and lifted 180 degrees through a gear set. Combined with guide limit components and locking devices, the frame component design is optimized to adapt to the handling needs of wider forks.
It reduces forklift energy consumption, saves costs, optimizes aisle space utilization, and enables the handling of larger pallets.
Smart Images
Figure CN223722743U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to three -way forklift technical field, especially a three -way forklift arm frame frame structure is related. BACKGROUND
[0002] With the development of intensive warehousing logistics, narrow aisle racking and narrow aisle people go up three -way stacking forklift are used more and more. For the existing forklift structure, the auxiliary tower mainly uses swing cylinder or oil cylinder as power type to drive the 180 degree rotation of the fork, the present application designs a more efficient motor driven fork 180 degree rotation of the arm frame frame assembly. SUMMARY
[0003] In view of the above defects of the prior art, the utility model aims at providing a three -way forklift arm frame frame structure, which can reduce the energy consumption of the forklift, save the cost and optimize the lane space.
[0004] To achieve the above object, the utility model provides a three -way forklift arm frame frame structure, including frame assembly, the frame assembly includes left side plate, right side plate, front vertical plate and rear vertical plate, the front vertical plate and rear vertical plate are installed in the left side plate and the right side plate inside, and the inside forms a first installation cavity, the inner side of the front vertical plate is installed with hanging chain plate, the hanging chain plate is located in the first installation cavity, the other end of the frame assembly is installed with rotating device, and the rotating device is used to install the fork and drive its rotation.
[0005] The upper side of the left side plate and the right side plate is equipped with the left side arm and the right side wall extending outward, the upper horizontal plate and the upper mounting plate are installed between the left side wall and the right side wall, and the upper horizontal plate and the upper mounting plate are used to fixedly install the rotating device.
[0006] The outer side of the lower side of the front vertical plate is installed with the lower horizontal plate corresponding to the upper horizontal plate, and the end portions of the upper horizontal plate and the lower horizontal plate are provided with upper mounting holes and lower mounting holes.
[0007] The rear vertical plate is fixedly installed in the rear part inside the left side plate and the right side plate, a second installation cavity is formed between the rear vertical plate, the left side plate and the right side plate inside, and a guide limiting assembly is arranged in the second installation cavity.
[0008] The rotating device includes a rotating motor installed on the upper mounting plate, a rotating shaft installed on the upper mounting hole and the lower mounting hole, and the rotating shaft of the rotating motor is connected with the rotating shaft through a gear set to drive the 180 degree rotation of the fork.
[0009] The gear set comprises a rotating pinion, a rotating intermediate pinion, a rotating intermediate gear, a rotating terminal gear and an intermediate fixed shaft, the rotating pinion is fixedly installed on the rotating shaft of the rotating motor, the rotating intermediate pinion and the rotating intermediate gear are installed on the intermediate fixed shaft from top to bottom, the terminal gear is fixedly installed on the rotating shaft, the rotating pinion is engaged with the rotating intermediate pinion, and the rotating intermediate gear and the terminal gear are engaged.
[0010] The lifting device is installed in the first mounting cavity and is installed in cooperation with the auxiliary gantry and enables the structure to move along the height direction of the auxiliary gantry.
[0011] The lifting device comprises a lifting oil cylinder, a lifting stand, a chain wheel and a chain, the lower end of the lifting stand is fixedly connected with the lower end of the auxiliary gantry, the upper end of the lifting stand is installed with the chain wheel, the chain is wound on the chain wheel and the two ends are fixedly connected with the auxiliary gantry and the chain hanging plate respectively.
[0012] The guide limiting assembly comprises a first guide wheel set and a second guide wheel set fixedly installed on the opposite inner sides of the left side plate and the right side plate and a third guide wheel set installed on the outer side of the rear stand plate, the first guide wheel set and the second guide wheel set are provided with a spacing from the outer side of the rear stand plate for clamping into the two side edges of the auxiliary gantry, and the third guide wheel set is used for embedding into the sliding groove in the front face of the auxiliary gantry.
[0013] The lower end surface of the lower transverse plate is installed with a locking device, the locking device comprises a front fixed plate and a rear fixed plate, the front fixed plate and the rear fixed plate are provided with mounting holes and slidingly lock the shaft in the mounting holes, a buffer element is sleeved on the locking shaft, the buffer element is located between the front fixed plate and the rear fixed plate, the locking device further comprises a locking disc fixed to the lower end of the rotating shaft, a plurality of locking grooves are formed in the locking disc, and a locking block corresponding to the shape of the locking groove is arranged at the front end of the locking shaft.
[0014] Compared with the prior art, through the implementation of the utility model, the following obvious technical effects are achieved:
[0015] The rotary arm frame structure of the application provides a flat mounting space, and lifting devices and rotating devices are installed in the flat mounting space to drive the lifting and rotation of the forks connected with the rotary arm frame structure within a range of 180°, so that the forks are displaced in X and Z directions and rotated by 180°, that is, a three-way fork structure is realized.
[0016] The utility model discloses a three -way fork truck rotary arm frame frame structure's rotary arm frame structure's schematic diagram, and the utility model discloses a three -way fork truck rotary arm frame frame structure's rotary arm frame structure's another angle schematic diagram, the utility model discloses a three -way fork truck rotary arm frame frame structure's rotary arm frame structure's plan view, the utility model discloses a three -way fork truck rotary arm frame frame structure's rotary arm frame structure's section view, the utility model discloses a three -way fork truck rotary arm frame frame structure and the use structure schematic diagram of vice portal. BRIEF DESCRIPTION OF DRAWINGS
[0017] Figure 1 is the schematic diagram of the rotary arm frame structure of the three-way forklift rotary arm frame structure of the utility model;
[0018] Figure 2 is another angle schematic diagram of the rotary arm frame structure of the three-way forklift rotary arm frame structure of the utility model;
[0019] Figure 3 is the plan view of the rotary arm frame structure of the three-way forklift rotary arm frame structure of the utility model;
[0020] Figure 4 is the section view of the rotary arm frame structure of the three-way forklift rotary arm frame structure of the utility model;
[0021] Figure 5 is the use structure schematic diagram of the three-way forklift rotary arm frame frame structure and vice portal of the utility model. DETAILED DESCRIPTION
[0022] The embodiments of the present application will be described in detail below with specific examples. Those skilled in the art can easily understand other advantages and effects of the present application from the disclosure. The present application can also be implemented or applied in different specific embodiments, and various modifications or changes can be made based on different views and applications without departing from the spirit of the present application. It should be noted that the following embodiments and features in the embodiments can be combined with each other without conflict.
[0023] It should be noted that the diagrams provided in the following embodiments only illustrate the basic concept of the present application in a schematic manner, and only show the components related to the present application in the diagrams, not the number, shape and size of the components during actual implementation. The shape, number and proportion of each component during actual implementation can be changed arbitrarily, and the component layout pattern can also be more complex.
[0024] The three-way forklift rotary arm frame structure of the present application can achieve the left and right movement of the vice portal assembly relative to the cab through the rails and racks installed on the upper and lower parts of the cab. The rotary arm frame structure provides a flat installation space, and lifting devices and rotating devices can be installed inside to drive the lifting and rotation of the forks connected to the rotary arm frame structure within a range of 180°, thereby achieving the displacement of the forks in the X and Z directions and the 180° rotation, i.e., the three-way fork structure.
[0025] The specific embodiment is as follows:
[0026] Please refer to Figures 1-5 A three-way forklift rotary arm frame structure, the rotary arm frame structure 2 is combined with the auxiliary portal 1, the rotary arm frame structure 2 makes lifting movement in the height direction of the auxiliary portal 1;
[0027] The rotary arm frame structure 2 includes a lifting device 21, a frame assembly 22, a rotating device 23 and a fork 24, the lifting device 21 is used to connect the frame assembly 22 and drive it to make lifting movement along the auxiliary portal 1; the other end of the frame assembly 22 is provided with the rotating device 23, and the rotating device 23 is used to install the fork 24 and drive it to rotate. The rotary arm frame structure of the application can realize carrying a fork with a larger width and transporting a pallet with a larger size by changing the length of the frame assembly.
[0028] The frame assembly 22 includes a left side plate 221, a right side plate 222, a front vertical plate 223 and a rear vertical plate 224, the front vertical plate 223 and the rear vertical plate 224 are installed inside the left side plate 221 and the right side plate 222, and a first mounting cavity is formed inside, a hanging chain plate 225 is installed on the inner side of the front vertical plate 223, and the hanging chain plate 225 is located in the first mounting cavity.
[0029] The upper side of the left side plate 221 and the right side plate 222 is provided with a left side arm and a right side wall extending outward, an upper horizontal plate 226 and an upper mounting plate 227 are installed between the left side wall and the right side wall, and the upper horizontal plate 226 and the upper mounting plate 227 are used to fixedly install the rotating device 23. In the specific implementation of the application, the upper mounting plate 227 is located above the upper horizontal plate 226, and the length of the upper mounting plate is less than that of the upper horizontal plate. In the specific implementation of the application, a pad plate 2210 is installed below the upper horizontal plate 226, and the upper horizontal plate 226, the pad plate 2210, the left side plate 221 and the right side plate 222 are welded together, and an upper mounting plate 227 for connecting a motor assembly is welded inside.
[0030] A lower horizontal plate 228 corresponding to the upper horizontal plate 226 is installed on the outer side of the lower side of the front vertical plate 223, and upper mounting holes and lower mounting holes are correspondingly arranged at the ends of the upper horizontal plate 226 and the lower horizontal plate 228. In the specific implementation of the application, the center axes of the upper mounting holes and the lower mounting holes are the same axis.
[0031] The rear vertical plate 224 is fixedly installed at the rear part inside the left side plate 221 and the right side plate 222, a second mounting cavity is formed between the rear vertical plate 224, the left side plate 221 and the right side plate 222, and a guide limiting assembly is arranged in the second mounting cavity.
[0032] The rotating device 23 comprises a rotating motor 231 mounted on the upper mounting plate 227, and a rotating shaft 232 mounted on the upper mounting hole and the lower mounting hole, the rotating shaft of the rotating motor 231 is connected with the rotating shaft 232 through a gear set to drive the fork 24 to rotate 180 degrees.
[0033] The gear set comprises a rotating small gear 233, a rotating intermediate small gear 234, a rotating intermediate large gear 235, a rotating terminal large gear 236 and an intermediate fixed shaft 237, the rotating small gear 233 is fixedly mounted on the rotating shaft of the rotating motor 231, the rotating intermediate small gear 234 and the rotating intermediate large gear 235 are mounted on the intermediate fixed shaft 237 from top to bottom, the terminal large gear 236 is fixedly mounted on the rotating shaft 232, the rotating small gear 233 is engaged with the rotating intermediate small gear 234, and the rotating intermediate large gear 235 and the terminal large gear 236 are engaged. In the specific implementation of the present application, the gear set can be installed by using a helical gear set. Specifically, the helical gear set comprises a rotating small helical gear, a rotating intermediate small helical gear, a rotating intermediate large helical gear, a rotating terminal large helical gear and an intermediate fixed shaft, the rotating small helical gear is fixedly mounted on the rotating shaft of the rotating motor, the rotating intermediate small helical gear and the rotating intermediate large helical gear are mounted on the intermediate fixed shaft from top to bottom, the terminal large helical gear is fixedly mounted on the rotating shaft, the rotating small helical gear is engaged with the rotating intermediate small helical gear, and the rotating intermediate large helical gear and the terminal large helical gear are engaged.
[0034] The lifting device 21 comprises a lifting oil cylinder 211, a lifting stand 212, a chain wheel 213 and a chain 214, the lower end of the lifting stand 212 is fixedly connected with the lower end of the secondary portal frame 1, the upper end of the lifting stand 212 is mounted with the chain wheel 213, the chain 214 is wound on the chain wheel 213, and the two ends are fixedly connected with the secondary portal frame 1 and the hanging chain plate 225 respectively.
[0035] The guide limiting assembly comprises a first guide wheel set 25 and a second guide wheel set 26 fixedly mounted on the opposite inner sides of the left side plate 221 and the right side plate 222, and a third guide wheel set 27 mounted on the outer side of the rear stand plate 224, the first guide wheel set 25 and the second guide wheel set 26 are provided with a spacing from the outer side of the rear stand plate 224 for clamping into the two side edges 11 of the secondary portal frame 1, and the third guide wheel set 27 is used for embedding into the sliding groove 12 in the front of the secondary portal frame 1.
[0036] The lower end surface of the lower horizontal plate 228 is provided with a locking device 28, which comprises a front fixed plate 281 and a rear fixed plate 282, and the front fixed plate 281 and the rear fixed plate 282 are provided with mounting holes and slideably lock a shaft 283 in the mounting holes, a buffer 284 is sleeved on the shaft 283, the buffer 284 is located between the front fixed plate 281 and the rear fixed plate 282, the locking device 28 further comprises a locking disc 285 fixed to the lower end of the rotating shaft 232, the locking disc 285 is provided with a plurality of locking grooves, and the front end of the locking shaft 283 is provided with a locking block corresponding to the shape of the locking groove. Specifically, the buffer 284 can be made of elastic material, such as spring, etc.
[0037] A reinforcing rib plate 229 is mounted between the outer side surface of the front vertical plate 223 and the lower end surface of the lower horizontal plate 228. Specifically, the reinforcing rib plate 229 is located on the outer side of the locking device 28.
[0038] Specifically, the left side plate, the right side plate, the front vertical plate, the rear vertical plate, the upper horizontal plate, the upper mounting plate and the chain hanging plate are welded to form a basic frame structure, and the frame assembly after welding is machined to form the upper mounting hole and the lower mounting hole, the mounting holes of the front fixed plate and the rear fixed plate, and the mounting surface and the seat hole of the first guide wheel set, the second guide wheel set and the third guide wheel set.
[0039] The rotary arm frame structure can also be installed with other various functional accessories, and the limiting shaft for positioning and braking of the forklift is installed, and the upper cover 28 for protecting the installed power mechanism can be connected. The rotary arm frame structure is welded by steel plates of various materials, and after welding, the mounting surface and the mounting hole of each connecting piece are machined integrally, and then polished and painted.
[0040] The above description is only the preferred embodiment of the present application and the explanation of the applied technical principles. Those skilled in the art should understand that the disclosure range involved in the present application is not limited to the technical solutions formed by the specific combination of the above technical features, and also covers other technical solutions formed by any combination of the above technical features or equivalent features without departing from the above disclosed concept. For example, the above features are replaced with the technical features disclosed in the present application (but not limited to) having similar functions to form technical solutions.
[0041] The above embodiments only exemplarily illustrate the principles and effects of the present application, and are not used to limit the present application. Any person skilled in the art can modify or change the above embodiments without departing from the spirit and scope of the present application. Therefore, all equivalent modifications or changes completed by those skilled in the art without departing from the spirit and technical thought disclosed in the present application should be covered by the claims of the present application.
Claims
1. A three-way fork truck jib frame structure, characterized by, The frame assembly (22) comprises a left side plate (221), a right side plate (222), a front vertical plate (223) and a rear vertical plate (224), the front vertical plate (223) and the rear vertical plate (224) are installed inside the left side plate (221) and the right side plate (222) to form a first mounting cavity, the inner side of the front vertical plate (223) is provided with a hanging chain plate (225) located in the first mounting cavity, and the other end of the frame assembly (22) is provided with a rotating device (23) for mounting and driving the rotation of a fork (24).
2. A three-way fork truck jib frame structure according to claim 1, wherein The upper side of the left side plate (221) and the right side plate (222) is provided with outwardly extending left and right side walls, and an upper cross plate (226) and an upper mounting plate (227) are installed between the left and right side walls, and the upper cross plate (226) and the upper mounting plate (227) are used for fixedly mounting the rotating device (23).
3. A three-way fork truck jib frame structure according to claim 2, wherein The outer side of the lower side of the front vertical plate (223) is provided with a lower cross plate (228) corresponding to the upper cross plate (226), and the end portions of the upper cross plate (226) and the lower cross plate (228) are provided with upper and lower mounting holes.
4. The three-way fork truck jib frame structure of claim 1, wherein, The rear vertical plate (224) is fixedly installed at the rear portion inside the left side plate (221) and the right side plate (222), a second mounting cavity is formed between the rear vertical plate (224), the left side plate (221) and the right side plate (222), and a guide limiting assembly is arranged in the second mounting cavity.
5. The three-way fork truck jib frame structure of claim 3 wherein, The rotating device (23) comprises a rotating motor (231) installed on the upper mounting plate (227), a rotating shaft (232) installed on the upper and lower mounting holes, and a rotating shaft of the rotating motor (231) connected with the rotating shaft (232) through a gear set to drive the fork (24) to rotate by 180 degrees.
6. A three-way fork truck jib frame structure according to claim 5 wherein, The gear set comprises a rotating small gear (233), a rotating intermediate small gear (234), a rotating intermediate large gear (235), a rotating terminal large gear (236) and an intermediate fixed shaft (237), the rotating small gear (233) is fixedly installed on the rotating shaft of the rotating motor (231), the rotating intermediate small gear (234) and the rotating intermediate large gear (235) are installed on the intermediate fixed shaft (237) from top to bottom, the terminal large gear (236) is fixedly installed on the rotating shaft (232), the rotating small gear (233) is engaged with the rotating intermediate small gear (234), and the rotating intermediate large gear (235) and the terminal large gear (236) are engaged.
7. A three-way fork truck jib frame structure according to claim 4 wherein, The first mounting cavity is provided with a lifting device (21) installed in cooperation with a secondary portal frame (1) and used for moving the structure along the height direction of the secondary portal frame (1).
8. A three-way fork truck jib frame structure according to claim 7, wherein The lifting device (21) comprises a lifting oil cylinder (211), a lifting stand (212), a chain wheel (213) and a chain (214), the lower end of the lifting stand (212) is fixedly connected with the lower end of the secondary portal frame (1), the upper end of the lifting stand (212) is installed with the chain wheel (213), the chain (214) is wound on the chain wheel (213), and the two ends are fixedly connected with the secondary portal frame (1) and the hanging chain plate (225) respectively.
9. The three-way fork truck jib frame structure of claim 7, wherein, The guide limiting assembly comprises a first guide wheel set (25) and a second guide wheel set (26) fixedly installed on the opposite inner sides of the left side plate (221) and the right side plate (222), and a third guide wheel set (27) installed on the outer side of the rear vertical plate (224), the first guide wheel set (25) and the second guide wheel set (26) are provided with a spacing from the outer side of the rear vertical plate (224) for clamping into the two side edges of the secondary portal frame (1), and the third guide wheel set (27) is used for embedding into the sliding groove in the front of the secondary portal frame (1).
10. The three-way fork truck jib frame structure of claim 5, wherein, The lower end surface of the lower horizontal plate (228) is installed with a locking device (28), the locking device (28) comprises a front fixed plate (281) and a rear fixed plate (282), the front fixed plate (281) and the rear fixed plate (282) are provided with mounting holes and slidingly lock shafts (283) in the mounting holes, the locking shafts (283) are sleeved with buffer pieces (284), the buffer pieces (284) are located between the front fixed plate (281) and the rear fixed plate (282), the locking device (28) further comprises a locking disc (285) fixed to the lower end of the rotating shaft (232), the locking disc (285) is provided with a plurality of locking grooves, and the front end of the locking shaft (283) is provided with a locking block corresponding to the shape of the locking groove.