All-electric truck-mounted forklift

Abstract

The utility model discloses an all-electric truck-mounted forklift which comprises a bottom frame, a stand column frame is vertically arranged on the bottom frame, movable supporting legs are arranged at the bottom of the bottom frame in a sliding mode, and middle wheels are detachably arranged on the movable supporting legs. The lifting unit comprises a movable arm arranged in the stand column frame in a sliding mode through a driving part and an inserting arm fixedly arranged on the movable arm, a containing groove used for containing the movable supporting leg is formed in the inserting arm, and the driving part is used for driving the movable arm to ascend and descend; the electric control unit comprises a storage frame arranged on the bottom frame, a storage battery detachably arranged in the storage frame and a controller electrically connected with the storage battery; the controller is electrically connected with the driving part; the storage battery is detachably arranged in the storage rack, when the electric quantity of the battery is insufficient, the old battery can be taken out and then replaced with a new battery in time, the situation that the forklift stops working for a long time due to battery charging is avoided, it is guaranteed that the forklift can continuously work, and the working efficiency and working continuity of the forklift are effectively improved.

Description

Technical Field

[0001] This utility model relates to the field of forklift technology, specifically to a fully electric truck-mounted forklift. Background Technology

[0002] Currently, traditional all-electric truck forklifts typically mount the battery inside the chassis to save space and protect the battery. However, this design has several drawbacks in practical use. On the one hand, when the battery needs to be replaced or maintained, the limited space inside the chassis requires multiple tools and consumes a significant amount of time and manpower, making replacement and maintenance cumbersome and increasing maintenance costs and difficulty. On the other hand, the inconvenience of battery replacement means that when the battery is depleted, it cannot be replaced in time, preventing the forklift from working continuously, severely impacting work efficiency and limiting the application of truck forklifts in scenarios requiring continuous operation.

[0003] Meanwhile, the support arm at the bottom of the forklift has insufficient strength. When the forklift is moving heavy objects, the support arm is subjected to great pressure and impact, which can easily cause deformation or even breakage, affecting the internal structure of the forklift and causing the battery to be crushed and damaged. Utility Model Content

[0004] In view of the shortcomings of the existing technology, the purpose of this utility model is to provide a fully electric truck-mounted forklift to solve the problems of the troublesome battery replacement and maintenance of traditional truck-mounted forklifts, which prevents the forklift from working continuously and seriously affects work efficiency.

[0005] According to an embodiment of this utility model, a fully electric forklift includes a chassis with a vertically mounted column frame and movable support legs slidably mounted on the bottom of the chassis, wherein intermediate wheels are detachably mounted on the movable support legs; a lifting unit including a movable arm slidably mounted in the column frame via a drive member, and an insert arm fixedly mounted on the movable arm, the insert arm having a storage slot for placing the movable support legs, and the drive member driving the movable arm to rise and fall; and an electronic control unit including a storage rack mounted on the chassis, a battery detachably mounted in the storage rack, and a controller electrically connected to the battery and the drive member.

[0006] Compared with the prior art, this utility model has the following beneficial effects: By detaching and placing the battery in the storage rack, this arrangement makes the removal and installation of the battery more convenient. When the battery power is low, the old battery can be taken out and replaced with a new battery in time, avoiding the situation where the forklift stops working for a long time due to battery charging. This ensures that the forklift can operate continuously and without interruption, effectively improving the working efficiency and work continuity of the forklift. At the same time, intermediate wheels are detachably installed on the movable legs. The intermediate wheels provide additional support points for the movable legs, which can distribute the pressure on the movable legs and avoid the problem of deformation or even breakage of the movable legs after being stressed.

[0007] Preferably, the intermediate wheel includes a mounting frame and a roller that is rolled on the mounting frame. A card seat is slidably disposed on the mounting frame, and a compression spring is sleeved on the card seat. The end of the card seat away from the compression spring is provided with a wedge-shaped surface and a notch, and the wedge-shaped surface is on the upper side of the notch.

[0008] Preferably, the bottom side of the movable support leg is provided with a mounting groove, and a limit block is provided on one side wall of the mounting groove, wherein the mounting bracket is secured in the mounting groove by a card holder.

[0009] Preferably, the base frame is provided with clips on both sides, and each mounting bracket is provided with a slot, in which the clips are engaged.

[0010] Preferably, the lifting cylinder has its bottom mounted on the column frame, and its output end is connected to the top of the movable arm; the hydraulic power source is mounted on the base frame and is connected to the lifting cylinder via an oil pipe to drive the lifting cylinder's movement.

[0011] Preferably, rolling bearings are symmetrically arranged on both sides of the movable arm, and the rolling bearings are located inside the column frame.

[0012] Preferably, two casters are mirror-mounted on both sides of the base frame, and each caster is equipped with shock absorbers.

[0013] Preferably, an operating handle is rotatably mounted on the base frame, and a steering wheel is provided at the lower end of the operating handle.

[0014] Preferably, a hub motor is installed inside the steering wheel, and the hub motor is electrically connected to the controller.

[0015] Preferably, a protective shell is detachably installed on the base frame, and a through hole is provided on the protective shell, which is located on the top side of the storage rack. Attached Figure Description

[0016] Figure 1 This is a three-dimensional structural diagram of an embodiment of the present utility model.

[0017] Figure 2 This is an exploded structural diagram of an embodiment of the present invention.

[0018] Figure 3 This is a three-dimensional structural diagram of the electronic control unit in an embodiment of this utility model.

[0019] Figure 4 This is a schematic diagram of the installation of the intermediate wheel in an embodiment of this utility model.

[0020] Figure 5 This is a three-dimensional structural diagram of the intermediate wheel in an embodiment of the present invention.

[0021] The reference numerals in the accompanying drawings of the instruction manual include: 1. Base frame; 101. Caster wheel; 102. Protective shell; 103. Through hole; 104. Clip; 105. Storage rack; 2. Column frame; 3. Insert arm; 301. Storage slot; 302. Movable arm; 303. Rolling bearing; 4. Movable outrigger; 401. Mounting slot; 402. Limit block; 5. Operating handle; 501. Directional wheel; 6. Battery; 601. Controller; 7. Lifting cylinder; 701. Hydraulic source; 8. Mounting bracket; 801. Roller; 802. Compression spring; 803. Card seat; 804. Notch; 805. Wedge-shaped surface; 806. Card slot. Detailed Implementation

[0022] The technical solution of this utility model will be further described below with reference to the accompanying drawings and embodiments.

[0023] like Figures 1 to 5 As shown in the figure, this utility model embodiment proposes a fully electric truck-mounted forklift, which includes a base frame 1, on which a column frame 2 is vertically mounted, and movable support legs 4 are slidably mounted at the bottom of the base frame 1, wherein the movable support legs 4 are detachably mounted with intermediate wheels; a lifting unit, including a movable arm 302 slidably mounted in the column frame 2 by a drive member, and an insert arm 3 fixedly mounted on the movable arm 302, the insert arm 3 having a storage slot 301 for placing the movable support legs 4, and the drive member for driving the movable arm 302 to rise and fall; an electronic control unit, including a storage rack 105 mounted on the base frame 1, a battery 6 detachably mounted in the storage rack 105, and a controller 601 electrically connected to the battery 6. The controller 601 is electrically connected to the drive member.

[0024] The detailed working process of this embodiment is as follows: By disassembling and placing the battery 6 inside the storage rack 105, the disassembly and installation of the battery 6 are made more convenient. When the battery power is low, the old battery can be taken out and replaced with a new battery in time, avoiding the situation where the forklift stops working for a long time due to battery charging. This ensures that the forklift can operate continuously and without interruption, effectively improving the working efficiency and work continuity of the forklift. At the same time, an intermediate wheel is detachably installed on the movable support leg 4. The intermediate wheel provides an additional support point for the movable support leg 4, which can share the pressure on the movable support leg 4 and avoid the problem of deformation or even breakage of the movable support leg 4 after being subjected to force, reducing the risk of damage to the forklift and thus preventing damage to its internal storage rack 105 and battery.

[0025] like Figure 4 and Figure 5 As shown, the intermediate wheel includes a mounting frame 8 and a roller 801 that is rolled on the mounting frame 8. A card holder 803 is slidably disposed on the mounting frame 8. A compression spring 802 is sleeved on the card holder 803. A wedge-shaped surface 805 and a notch 804 are provided at the end of the card holder 803 away from the compression spring 802. The wedge-shaped surface 805 is on the upper side of the notch 804.

[0026] like Figure 4 As shown, the movable support leg 4 has a mounting groove 401 on its bottom side, and a limit block 402 is provided on one side wall of the mounting groove 401. The mounting bracket 8 is secured in the mounting groove 401 by a card holder 803.

[0027] The detailed working process of this embodiment is as follows: The intermediate wheel is detachably mounted on the movable support leg 4. When the intermediate wheel is mounted on the movable support leg 4, it provides an additional support point for the movable support leg 4 and can share the pressure on the movable support leg 4. Removing the intermediate wheel can improve the passability of the movable support leg 4 during movement and avoid interference. With the setting of the compression spring 802, it is easy to install and remove quickly.

[0028] When installing the intermediate wheel, align the mounting bracket 8 with the mounting groove 401 of the movable support leg 4. The retainer 803 is extended under the action of the compression spring 802. With the wedge surface 805 in place, during insertion, the wedge surface 805 contacts and is compressed against the edge of the mounting groove 401, causing the retainer 803 to slide the mounting bracket 8 into the mounting groove 401. At this time, the compression spring 802 is compressed. When the retainer 803 slides to the position corresponding to the limit block 402, the compression spring 802 pushes the retainer 803 to reset. The notch 804 on the retainer 803 is engaged with the side of the mounting groove 401. Through the cooperation between the mounting groove 401 and the limit block 402, the mounting bracket 8 is firmly engaged in the mounting groove 401, realizing a stable connection and quick removal between the intermediate wheel and the movable support leg 4.

[0029] like Figure 2 and Figure 4 As shown, the base frame 1 has clips 104 on both sides, and each mounting bracket 8 has a slot 806, in which the clips 104 are engaged.

[0030] The detailed working process of this embodiment is as follows: With the setting of the clip 104 and the slot 806, the removed intermediate wheel can be clipped on the clip 104 to follow the forklift, avoiding loss due to the small size of the intermediate wheel. When needed, it can be removed and installed at the bottom of the movable support leg 4 for use, which is convenient and quick.

[0031] like Figure 2 As shown, the driving components include: a lifting cylinder 7, the bottom of which is mounted on the column frame 2, and the output end of the lifting cylinder 7 is connected to the top of the movable arm 302; and a hydraulic source 701, which is mounted on the base frame 1 and is connected to the lifting cylinder 7 via an oil pipe for driving the lifting cylinder 7 to move.

[0032] The detailed working process of this embodiment is as follows: The bottom of the lifting cylinder 7 is fixed on the column frame 2, and the output end is connected to the top of the movable arm 302, forming a mechanical connection structure that can realize the lifting and lowering of the movable arm 302. The hydraulic source 701 is set on the base frame 1 and is connected to the lifting cylinder 7 through an oil pipe, providing hydraulic power to the lifting cylinder 7. The hydraulic source 701 drives the lifting cylinder 7 to move, thereby driving the boom 3 to rise and fall.

[0033] In this embodiment, the hydraulic source 701 is a hydraulic pump. In other embodiments, a suitable drive source can be selected according to the time situation.

[0034] like Figure 2 As shown, rolling bearings 303 are symmetrically arranged on both sides of the movable arm 302, and the rolling bearings 303 are located inside the column frame 2.

[0035] The detailed working process of this embodiment is as follows: With the setting of the rolling bearing 303, the sliding friction of the insert arm 3 is transformed into rolling friction, which makes the lifting and lowering of the movable arm 302 smoother, reduces energy loss, and improves the efficiency of the forklift during operation.

[0036] like Figure 1 As shown, two casters 101 are mirror-mounted on both sides of the base frame 1, and each caster 101 is equipped with shock absorbers.

[0037] The detailed working process of this embodiment is as follows: Universal wheels 101 are set on both sides of the base frame 1. The symmetrical layout helps to maintain the balance of the forklift during driving and operation, avoids safety hazards such as tipping over due to excessive weight on one side or uneven force, and improves the stability and safety of the forklift. The shock absorbers set on the universal wheels 101 can ensure that the universal wheels 101 effectively contact the ground and improve stability.

[0038] like Figure 1 As shown, an operating handle 5 is rotatably mounted on the base frame 1, and a steering wheel 501 is mounted at the lower end of the operating handle 5.

[0039] The detailed working process of this embodiment is as follows: The function of the operating handle 5 is to control the direction of the forklift. The steering wheel 501 is located at the lower end of the operating handle 5. By rotating the operating handle 5, the steering wheel 501 is controlled, thereby changing the direction of the forklift.

[0040] like Figure 3 As shown, a hub motor is installed inside the steering wheel 501, and the hub motor is electrically connected to the controller 601.

[0041] The detailed working process of this embodiment is as follows: the hub motor is set in the steering wheel 501, which realizes a high degree of integration of driving and steering functions and simplifies the overall structure of the forklift.

[0042] The controller 601 is electrically connected to the hub motor and the hydraulic power source 701 respectively. The controller 601 is electrically connected to the hub motor and the hydraulic power source 701, which can realize the coordinated control of the forklift's power system and lifting system.

[0043] The controller 601 in this embodiment is existing technology and is a conventional setting in the field. Its principle will not be described in detail here.

[0044] like Figure 2 As shown, a protective shell 102 is detachably installed on the base frame 1. A through hole 103 is provided on the protective shell 102, and the through hole 103 is located on the upper side of the storage rack 105.

[0045] The detailed working process of this embodiment is as follows: The protective shell 102 protects the components mounted on the base frame 1. The protective shell 102 prevents these components from being damaged by external impacts, scratches, dust, water splashes, etc., extending the service life of components such as the battery 6, ensuring the normal operation of the electronic control unit, and improving the reliability and safety of the forklift. The through-hole 103 in the protective shell 102 is used to install the battery 6, which is then installed into the storage rack 105 on the base frame 1 through the through-hole 103.

[0046] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of this utility model and are not intended to limit it. Although this utility model has been described in detail with reference to preferred embodiments, those skilled in the art should understand that modifications or equivalent substitutions can be made to the technical solutions of this utility model without departing from the spirit and scope of the technical solutions of this utility model, and all such modifications or substitutions should be covered within the scope of the claims of this utility model.

Claims

1. A full electric walkie stacker truck characterized by, The utility model relates to a kind of movable lifting platform, including: Chassis (1), vertical column frame (2) is arranged on it, the bottom sliding of the chassis (1) is movably arranged with movable leg (4), wherein the movable leg (4) is detachably arranged with intermediate wheel on it; Lifting unit, including movable arm (302) that is slidably arranged in the vertical column frame (2) by drive piece, and insert arm (3) that is fixedly arranged on the movable arm (302), the insert arm (3) is opened with the accommodation slot (301) for placing movable leg (4), and the drive piece is used to drive movable arm (302) to ascend and descend; Electric control unit, including the accommodation rack (105) that is arranged on the chassis (1) and the battery (6) that is detachably arranged in the accommodation rack (105) and the controller (601) electrically connected with the battery (6) the controller (601) is electrically connected with the drive piece.

2. The all-electric pallet jack of claim 1, wherein: The intermediate wheel includes mounting bracket (8) and rolling wheel (801) that is rollingly arranged on the mounting bracket (8), the mounting bracket (8) is slidably arranged with the clamping seat (803), the clamping seat (803) is sleeved with compression spring (802), wherein the wedge surface (805) and the notch (804) that are arranged at the one end of the clamping seat (803) away from the compression spring (802), the wedge surface (805) is on the notch (804) upside.

3. The all-electric pallet jack of claim 2, wherein: The bottom side of the movable leg (4) is opened with mounting groove (401), the limit block (402) is arranged on the one side wall of the mounting groove (401), wherein the mounting bracket (8) is clamped in the mounting groove (401) by clamping seat (803).

4. The all-electric pallet jack of claim 3, wherein: The both sides of the chassis (1) are provided with clamping nails (104), and the clamping slots (806) are formed in each mounting bracket (8), and the clamping nails (104) are clamped in the corresponding clamping slots (806).

5. The all-electric fork truck of claim 1, wherein, The drive piece includes: Lifting oil cylinder (7), the bottom of the lifting oil cylinder (7) is arranged on the vertical column frame (2), and the output end of the lifting oil cylinder (7) is connected with the top of the movable arm (302); Hydraulic source (701) is arranged on the chassis (1), and the hydraulic source (701) is connected with the lifting oil cylinder (7) through the oil pipe, to drive the lifting oil cylinder (7) to move.

6. The all-electric fork truck of claim 2, wherein: The both sides of the movable arm (302) are symmetrically provided with rolling bearings (303), and the rolling bearings (303) are located in the vertical column frame (2).

7. The all-electric fork truck of claim 1, wherein: The both sides of the chassis (1) are mirror-symmetrically provided with two universal wheels (101), and each universal wheel (101) is provided with a shock absorber.

8. The all-electric fork truck of claim 1, wherein: The operating handle (5) is rotatably arranged on the chassis (1), and the direction wheel (501) is arranged at the lower end of the operating handle (5).

9. The all-electric fork truck of claim 8, wherein: The direction wheel (501) is provided with a hub motor, and the hub motor is electrically connected with the controller (601).

10. The all-electric fork truck of claim 1, wherein: The chassis (1) is detachably provided with a protective shell (102), the protective shell (102) is provided with a through hole (103), and the through hole (103) is located above the accommodation rack (105).

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