Forklift with cantilever hoisting structure

Abstract

The invention relates to the technical field of forklifts, and discloses a forklift with a cantilever hoisting structure, which comprises a forklift body, a rail on one side of the forklift body, a sliding seat sliding on the rail, a base rotationally connected with the top of the sliding seat, and a fork arm adjusting frame arranged at the top of the base, a top plate is fixed to the top of the second hydraulic cylinder, one side of the top plate is connected with a fork arm adjusting frame, the other side of the top plate is connected with a hoisting assembly, and when the second hydraulic cylinder drives the top plate to ascend or descend, the height of the hoisting assembly and the height of the fork arm adjusting frame are changed; the lifting assembly and the fork arm adjusting frame are installed on the forklift body, the position relation of the lifting assembly and the fork arm adjusting frame can be adjusted in a rotating mode under different tasks and field lenses, then a user can adjust the lifting assembly and the fork arm adjusting frame conveniently and rapidly, the application scene of the forklift is widened, and the adaptability effect is enhanced.

Description

Technical Field

[0001] The invention relates to the technical field of forklifts, in particular to a forklift with a cantilever lifting structure. Background Art

[0002] Industrial handling vehicles are widely used in ports, stations, airports, freight yards, factory workshops, warehouses, circulation centers and distribution centers, etc. They are used for loading, unloading and handling of palletized goods in cabins, carriages and containers. They are essential equipment for pallet transportation and container transportation. The cantilever lifting structure usually consists of columns, rotating arms, support arms, reducers, chain electric hoists, etc. Its working principle is to achieve horizontal movement through electric or manual trolleys and up and down lifting and lowering of electric hoists, thereby completing the lifting and handling of heavy objects.

[0003] In the prior art, a forklift and a cantilever lifting structure are two different structures. The cantilever can be freely extended and rotated within a certain range, and the movement of the electric forklift can perform lifting operations at different positions. However, in a complex environment, it is necessary to switch between the two to operate the goods, which cannot adapt to various working environments and tasks. Therefore, a device is proposed that combines a cantilever lifting structure and a forklift to form a device. Summary of the invention

[0004] 1. Technical issues to be resolved

[0005] In view of the shortcomings of the prior art, the present invention provides a forklift with a cantilever lifting structure, which combines the flexibility of the cantilever lifting structure with the maneuverability of the forklift, and can better adapt to various working environments and tasks, thus solving the problem of poor flexibility and inability to adapt to a variety of working environments and tasks.

[0006] (II) Technical solution

[0007] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a forklift with a cantilever lifting structure, comprising a body, a track on one side of the body, a slide sliding on the track, a base rotatably connected to the top of the slide, and a fork arm adjustment frame arranged on the top of the base, a hydraulic cylinder 2 is fixed on the top of the base, a top plate is fixed on the top of the hydraulic cylinder 2, one side of the top plate is connected to the fork arm adjustment frame, and the other side is connected to the lifting assembly, when the hydraulic cylinder 2 drives the top plate to rise or fall, the height of the lifting assembly and the fork arm adjustment frame is changed.

[0008] In some embodiments, the lifting assembly includes a telescopic rod, which is arranged on the top of the base, one side of the top plate is rotatably connected to support arm one, one end of support arm one is slidably connected to support arm two, and one end of the telescopic rod is slidably connected to support arm one.

[0009] In some embodiments, the fork arm adjustment frame includes a frame body one, the inner side wall of the frame body one is slidably connected to a frame body two, a frame body three is fixed to one side of the frame body two, and the fork arm is rotatably connected to the frame body three.

[0010] In some embodiments, a shaft body 1 is provided at the bottom of the base, a disk body is provided on the outer wall of the shaft body 1, a motor for driving the shaft body 1 to rotate is provided inside the slide seat, a gear body is provided on the outer wall of the disk body, and a transmission assembly is provided on one side of the frame body 3. When the gear body is engaged with the transmission assembly, the fork arm rotates on the frame body 3.

[0011] In some embodiments, the transmission assembly includes a gearbox, a gearbox is provided on one side of the frame body one, and the gearbox is internally rotatably connected with gear two and shaft body three, and gear three is provided on the outer wall of shaft body three, and gear three is meshed with gear two, and a bevel gear one is provided on the outer wall of shaft body three, and the inner side wall of the gearbox is rotatably connected with shaft body four, and bevel gear two and gear four are provided on shaft body four, and bevel gear two is meshed with bevel gear one, and the gearbox is internally rotatably connected with shaft body two, and gear one is provided on the outer wall of shaft body two, shaft body two is fixed to the fork arm, gear one is meshed with gear four, and gear two can mesh with the tooth body.

[0012] In some embodiments, a slide groove is provided on one side of the track, and the slide seat slides on the slide groove.

[0013] In some embodiments, a hydraulic cylinder 1 is disposed on the vehicle body, and one end of the hydraulic cylinder 1 is rotatably connected to the slide seat.

[0014] In some embodiments, one end of the slide groove is an arc-shaped structure, and a roller on one side of the slide seat slides into an inclined position, and the slide seat is in an inclined position.

[0015] (III) Beneficial effects

[0016] Compared with the prior art, the present invention provides a forklift with a cantilever lifting structure, which has the following features:

[0017] Beneficial effects:

[0018] 1. The forklift with a cantilever lifting structure uses a track to adjust the lifting assembly or the fork arm adjustment frame in a small distance, which makes it easier for operators to perform lateral operations on the goods, improves the convenience of loading and unloading goods, and reduces the need to adjust the movement of the vehicle body multiple times during use.

[0019] 2. The forklift with a cantilever lifting structure has a lifting assembly and a fork arm adjustment frame installed on the body. The position relationship between the two can be adjusted by rotation under different tasks and scenes, which is convenient for users to adjust quickly, improving the application scenarios and adaptability of the forklift.

[0020] 3. The forklift with a cantilever lifting structure can change the angle of the lifting assembly or the height of the fork arm adjustment frame simultaneously by extending and retracting the second hydraulic cylinder, thereby reducing the operating difficulty for the operator.

[0021] 4. For the forklift with cantilever lifting structure, when the hydraulic cylinder changes the position of the slide, the lifting assembly and the fork arm adjustment frame also change the lateral position accordingly, so that the goods can be moved laterally in a small range. When the goods need to be moved in a large range, the hydraulic cylinder pushes the slide to the inclined part of the slide groove, and the entire slide is also tilted accordingly, so that the fork arm adjustment frame tilts to one side of the vehicle body, thereby reducing the falling of the goods.

[0022] 5. In the forklift with a cantilever lifting structure, during the process of switching the lifting components, the fork arm adjustment frame engages with the transmission component, so that the transmission component drives the two fork arms to rotate. When the fork arm adjustment frame rotates to one side of the vehicle body, the fork arms are folded on the frame body three, thereby reducing the lateral space occupied by the fork arm adjustment frame. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 The structure of the present invention is shown in FIG. Figure 1 ;

[0024] Figure 2 The structure of the present invention is shown in FIG. Figure 2 ;

[0025] Figure 3 Schematic diagram of the transmission assembly structure in the present invention Figure 1 ;

[0026] Figure 4 Schematic diagram of the transmission assembly structure in the present invention Figure 2 ;

[0027] Figure 5 Schematic diagram of the transmission assembly structure in the present invention Figure 3 ;

[0028] Figure 6 It is a schematic diagram of the track structure in the present invention.

[0029] In the figure:

[0030] 100, vehicle body; 110, track; 120, hydraulic cylinder 1; 130, slideway; 140, slide seat;

[0031] 200, base; 210, hydraulic cylinder 2; 220, top plate; 230, disc body; 240, shaft body 1; 250, gear body;

[0032] 300, fork arm adjustment frame; 310, frame body 1; 320, frame body 2; 330, frame body 3; 340, fork arm; 341, shaft body 2; 342, gear 1;

[0033] 400, lifting assembly; 410, telescopic rod; 420, support arm 1; 430, support arm 2;

[0034] 500, transmission assembly; 510, gear box; 520, gear 2; 530, gear 3; 531, shaft 3; 540, bevel gear 1; 550, shaft 4; 560, bevel gear 2; 570, gear 4. DETAILED DESCRIPTION

[0035] The following will be combined with the drawings in the embodiments of the present application to clearly and completely describe the technical solutions in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of this application.

[0036] It should be noted that all directional indications in the embodiments of the present application are only used to explain the relative position relationship, movement status, etc. between the components in a certain specific posture. If the specific posture changes, the directional indication will also change accordingly.

[0037] In this application, unless otherwise clearly specified and limited, the terms "connection", "fixation", etc. should be understood in a broad sense. For example, "fixation" 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 a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements, unless otherwise clearly defined. For ordinary technicians in this field, the specific meanings of the above terms in this application can be understood according to specific circumstances.

[0038] In addition, in this application, descriptions such as "first", "second", etc. are only used for descriptive purposes and cannot be understood as indicating or implying their relative importance or implicitly indicating the number of technical features indicated. Therefore, the features defined as "first" and "second" may explicitly or implicitly include at least one of the features. In addition, the technical solutions between the various embodiments can be combined with each other, but they must be based on the ability of ordinary technicians in this field to implement them. When the combination of technical solutions is contradictory or cannot be implemented, it should be deemed that such combination of technical solutions does not exist and is not within the scope of protection required by this application.

[0039] The cantilever crane structure is usually composed of columns, rotating arms, support arms, reducers, chain electric hoists, etc. Its working principle is to achieve horizontal movement through electric or manual trolleys, and up and down lifting and lowering of electric hoists, so as to complete the lifting and transportation of heavy objects.

[0040] In the related art, the forklift and the cantilever lifting structure are two different structures. The cantilever can be freely extended and rotated within a certain range, and the movement of the electric forklift can perform lifting operations at different positions. However, in complex environments, it is necessary to switch between the two to operate the goods, which cannot adapt to various working environments and tasks. For this reason, a device is proposed that combines the cantilever lifting structure and the forklift to form a device.

[0041] In order to solve the problems in the related art to a certain extent, the embodiment of the present application provides a forklift with a cantilever lifting structure, on which a lifting assembly 400 and a fork arm adjustment frame 300 are installed. The positional relationship between the two can be adjusted by rotation under different tasks and field lenses, thereby facilitating users to make quick adjustments, thereby improving the application scenarios and adaptability of the forklift.

[0042] The present application is described below with reference to the accompanying drawings and specific embodiments:

[0043] Combination Figure 1-Figure 6 The embodiment of the present application provides a forklift with a cantilever lifting structure, which is characterized in that it includes a vehicle body 100, a track 110 on one side of the vehicle body 100, a slide 140 sliding on the track 110, a base 200 rotatably connected to the top of the slide 140, and a fork arm adjustment frame 300 arranged on the top of the base 200, a hydraulic cylinder 210 is fixed on the top of the base 200, a top plate 220 is fixed on the top of the hydraulic cylinder 210, one side of the top plate 220 is connected to the fork arm adjustment frame 300, and the other side is connected to the lifting assembly 400, when the hydraulic cylinder 210 drives the top plate 220 to rise or fall, the height of the lifting assembly 400 and the fork arm adjustment frame 300 is changed.

[0044] Specifically, when in use, the lateral position of the lifting assembly 400 or the fork arm adjustment frame 300 can be changed by sliding the slide seat 140 on the track 110 (see attached Figure 1 ), so as to facilitate the change of the lateral position of the goods in a small range. Secondly, when lifting the goods, the hydraulic cylinder 210 can be used to lift the top plate 220, and the top plate 220 can change the height of the fork arm adjustment frame 300 or the lifting angle of the lifting component 400, thereby reducing the difficulty of operation for the operator. Finally, when it is necessary to switch between the two functions, the two structures can be swapped by rotating the slide 140, so that the forklift can be used in a variety of tasks and scenarios.

[0045] In some embodiments, the lifting assembly 400 includes a telescopic rod 410, which is arranged on the top of the base 200, and one side of the top plate 220 is rotatably connected to a support arm 420, one end of the support arm 420 is slidably connected to a support arm 2 430, and one end of the telescopic rod 410 is slidably connected to the support arm 420.

[0046] Specifically, when the hydraulic cylinder 210 is lifted, the top plate 220 is rotatably connected to the support arm 420. At this time, one end of the telescopic rod 410 slides in the support arm 420 and is rotatably connected to the support arm 420. After the angle is adjusted, the cargo can be fixed by the hook on the support arm 430, and the hydraulic cylinder 210 can be controlled again to lift the cargo.

[0047] In some embodiments, the fork arm adjustment frame 300 includes a frame body 1 310 , the inner side wall of the frame body 1 310 is slidably connected to the frame body 2 320 , a frame body 330 is fixed to one side of the frame body 2 320 , and the fork arm 340 is rotatably connected to the frame body 330 .

[0048] Specifically, the frame 2 320 moves up and down in the frame 1 310. During the movement, the frame 2 320 drives the frame 3 330 to move. During the movement of the frame 3 330, the two fork arms 340 are driven to move up and down. The two fork arms 340 are respectively rotatably connected to the frame 3 330. The two fork arms 340 are connected by an axis, so the two fork arms 340 can rotate at the same time. The lifting of the hydraulic cylinder 210 changes the rise of the frame 2 320 and also changes the up and down movement of the frame 3 330.

[0049] A sprocket wheel is provided at the inner top of the second frame 320 for limiting the action of the chain. The chain is used to connect the second frame 320 and the first frame 310. During the rising process of the second frame 320, the chain also rotates on the sprocket wheel accordingly. The above-mentioned chain and sprocket wheel are common knowledge and are not described here. The chain is not shown in the attached drawings.

[0050] In some embodiments, a shaft body 240 is disposed at the bottom of the base 200, a disk body 230 is disposed on the outer wall of the shaft body 240, a motor for driving the shaft body 240 to rotate is disposed inside the slide 140, a gear body 250 is disposed on the outer wall of the disk body 230, and a transmission assembly 500 is disposed on one side of the frame body 330. When the gear body 250 is engaged with the transmission assembly 500, the fork arm 340 rotates on the frame body 330.

[0051] Specifically, the motor is electrically connected to an external power source. The operation of the motor can drive the shaft 240 to rotate, and then drive the base 200 to rotate. The motor is not shown in the accompanying drawings. While the motor drives the base 200 to rotate, the position of the transmission assembly 500 is changed. When the gear 250 on the disk body 230 is contacted and engaged with it, the transmission assembly 500 drives the two fork arms 340 to rotate, so that the two fork arms 340 are folded on the frame body 330, and the disk body 230 is fixed on the top of the base 200.

[0052] In some embodiments, the transmission assembly 500 includes a gearbox 510, and the gearbox 510 is disposed on one side of the frame body 1 310. The gearbox 510 is internally rotatably connected to the gear 2 520 and the shaft body 3 531. The outer wall of the shaft body 3 531 is provided with the gear 3 530, and the gear 3 530 is meshed with the gear 2 520. The outer wall of the shaft body 3 531 is provided with a bevel gear 1 540. The inner wall of the gearbox 510 is rotatably connected to the shaft body 4 550, and the shaft body 4 550 is provided with a bevel gear 2 560 and a gear 4 570. The bevel gear 2 560 is meshed with the bevel gear 1 540. The gearbox 510 is internally rotatably connected to the shaft body 2 341, and the outer wall of the shaft body 2 341 is provided with a gear 1 342. The shaft body 2 341 is fixed to the fork arm 340, the gear 1 342 is meshed with the gear 4 570, and the gear 2 520 can mesh with the tooth body 250.

[0053] Specifically, when the fork arm adjustment frame 300 rotates to the side of the vehicle body 100, gear two 520 meshes with the tooth body 250, and at this time, gear two 520 drives gear three 530 to rotate, so that shaft three 531 rotates, shaft three 531 drives bevel gear one 540 to rotate, bevel gear one 540 drives bevel gear two 560 to rotate, and shaft two 341 drives gear four 570 to rotate, and finally gear four 570 drives gear one 342 to rotate, and the two fork arms 340 on shaft two 341 also rotate accordingly, and when rotating to the side of the vehicle body 100, the fork arms 340 are folded on one side of frame three 330, thereby reducing the lateral occupied area of ​​the fork arms 340.

[0054] In some embodiments, a slide groove 130 is opened on one side of the track 110, and the slide 140 slides on the slide groove 130; a hydraulic cylinder 120 is arranged on the vehicle body 100, and one end of the hydraulic cylinder 120 is rotatably connected to the slide 140; one end of the slide groove 130 is an arc structure, and a roller on one side of the slide 140 slides into an inclined position, and the slide 140 is in an inclined state.

[0055] Specifically, when the hydraulic cylinder 120 changes the position of the slide 140, the lifting assembly 400 and the fork arm adjustment frame 300 also change the lateral position accordingly, so that the cargo can be moved laterally in a small range. When the cargo needs to be moved in a large range, the hydraulic cylinder 120 pushes the slide to the inclined part of the slide groove, and the entire slide is also tilted accordingly, causing the fork arm adjustment frame to tilt toward one side of the vehicle body, thereby reducing the falling of the cargo.

[0056] In the description of this specification, the description with reference to the terms "one embodiment", "some embodiments", "example", "specific example", "some examples", etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present application. In this specification, the schematic representations of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described may be combined in any one or more embodiments or examples in a suitable manner. In addition, those skilled in the art may combine and combine the different embodiments or examples described in this specification.

[0057] In addition, the technical solutions between the various embodiments can be combined with each other, but they must be based on the fact that they can be implemented by ordinary technicians in this field. When the combination of technical solutions is contradictory or cannot be implemented, it should be deemed that such combination of technical solutions does not exist and is not within the scope of protection required by this application.

[0058] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A forklift with a cantilever lifting structure, characterized in that: The invention comprises a vehicle body (100), a track (110) on one side of the vehicle body (100), a slide seat (140) sliding on the track (110), a base (200) rotatably connected to the top of the slide seat (140), and a fork arm adjustment frame (300) arranged on the top of the base (200); a hydraulic cylinder 2 (210) is fixed on the top of the base (200); a top plate (220) is fixed on the top of the hydraulic cylinder 2 (210); one side of the top plate (220) is connected to the fork arm adjustment frame (300) and the other side is connected to the lifting assembly (400); when the hydraulic cylinder 2 (210) drives the top plate (220) to rise or fall, the height of the lifting assembly (400) and the fork arm adjustment frame (300) is changed.

2. A forklift with a cantilever lifting structure according to claim 1, characterized in that: The lifting assembly (400) includes a telescopic rod (410), and the telescopic rod (410) is arranged on the top of the base (200). One side of the top plate (220) is rotatably connected to support arm one (420), and one end of the support arm one (420) is slidably connected to support arm two (430), and one end of the telescopic rod (410) is slidably connected to support arm one (420).

3. A forklift with a cantilever lifting structure according to claim 2, characterized in that: The fork arm adjustment frame (300) comprises a frame body 1 (310), the inner side wall of the frame body 1 (310) is slidably connected to a frame body 2 (320), a frame body 3 (330) is fixed to one side of the frame body 2 (320), and a fork arm (340) is rotatably connected to the frame body 3 (330).

4. A forklift with a cantilever lifting structure according to claim 3, characterized in that: A shaft body (240) is disposed at the bottom of the base (200), a disk body (230) is disposed on the outer wall of the shaft body (240), a motor for driving the shaft body (240) to rotate is disposed inside the slide seat (140), a tooth body (250) is disposed on the outer wall of the disk body (230), a transmission assembly (500) is disposed on one side of the frame body (330), and when the tooth body (250) is engaged with the transmission assembly (500), the fork arm (340) rotates on the frame body (330).

5. The forklift with a cantilever lifting structure according to claim 4, characterized in that: The transmission assembly (500) comprises a gear box (510), one side of the frame body 1 (310) is provided with the gear box (510), the interior of the gear box (510) is rotatably connected with a gear 2 (520) and a shaft body 3 (531), the outer side wall of the shaft body 3 (531) is provided with a gear 3 (530), the gear 3 (530) is meshedly connected with the gear 2 (520), the outer side wall of the shaft body 3 (531) is provided with a bevel gear 1 (540), and the inner side wall of the gear box (510) is rotatably connected with a shaft body 4 (55 0), the shaft body 4 (550) is provided with a bevel gear 2 (560) and a gear 4 (570), the bevel gear 2 (560) is meshedly connected with the bevel gear 1 (540), the internal rotation connection shaft body 2 (341) of the gear box (510), the outer wall of the shaft body 2 (341) is provided with a gear 1 (342), the shaft body 2 (341) is fixed to the fork arm (340), the gear 1 (342) is meshedly connected with the gear 4 (570), and the gear 2 (520) can mesh with the tooth body (250).

6. A forklift with a cantilever lifting structure according to any one of claims 1 to 5, characterized in that: A slide groove (130) is provided on one side of the track (110), and the slide seat (140) slides on the slide groove (130).

7. A forklift with a cantilever lifting structure according to claim 6, characterized in that: A hydraulic cylinder 1 (120) is disposed on the vehicle body (100), and one end of the hydraulic cylinder 1 (120) is rotatably connected to the slide seat (140).

8. The forklift with a cantilever lifting structure according to claim 7, characterized in that: One end of the slide groove (130) is an arc-shaped structure, and a roller on one side of the slide seat (140) slides into an inclined position, and the slide seat (140) is in an inclined position.

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