Rear frame structure of picking vehicle

Abstract

The utility model discloses a picking vehicle rear frame structure which comprises a transmission component and a hydraulic component, the transmission component and the hydraulic component are both installed on a base through fixing pieces, and the base is welded to a vehicle body of a picking vehicle. The base comprises a rear enclosing plate of a C-shaped structure, two supporting plates are symmetrically and fixedly arranged in the rear enclosing plate, and the inner space of the rear enclosing plate is divided into three spaces in the length direction. The ends of the two supporting plates are connected through a front transverse plate to form a mounting cavity used for mounting a transmission part. A connecting plate is fixedly arranged on the top end face of the supporting plate and connected with the transmission part through a fixing piece. And a mounting plate for mounting a hydraulic component is horizontally and fixedly arranged between one supporting plate and the inner wall of the rear enclosing plate. The transmission component and the hydraulic component are fixedly mounted on the base, so that the compactness of the rear frame structure of the picking vehicle is improved, and the space occupancy rate of the rear frame structure is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of forklifts, in particular to a rear frame structure of a order picker truck. Background Art

[0002] The mid-high order picker truck is a device specially designed for efficiently collecting, sorting and transporting goods in a warehouse environment, especially suitable for operating on high-level shelves to improve work efficiency and reduce labor costs. The rear frame area on the mid-high order picker truck is a key part for supporting and installing the drive system (including motors, gearboxes, drive wheels, etc.), hydraulic system (hydraulic pumps, oil pump motors, etc.) and some electrical control components, and its design directly affects the stability, performance and service life of the vehicle.

[0003] At present, the components in the drive system and hydraulic system on the mid-high order picker truck are assembled in a loose form online during assembly and are dispersedly installed in the rear frame area, resulting in low assembly efficiency and large occupied space. Summary of the Utility Model

[0004] In order to solve the above problems, the utility model specifically provides a rear frame structure of a order picker truck.

[0005] In order to achieve the above purpose, the technical solution adopted by the utility model is as follows:

[0006] A rear frame structure of a order picker truck includes drive components and hydraulic components. The drive components and hydraulic components are both installed on a base through fixing parts, and the base is welded to the vehicle body of the order picker truck; the base includes a C-shaped rear enclosure plate, and two support plates are symmetrically and fixedly arranged inside the rear enclosure plate, and the internal space of the rear enclosure plate is divided into three spaces along the length direction; the ends of the two support plates are connected by a front cross plate to form an installation cavity for installing drive components; a connecting plate is fixedly arranged on the top end surface of the support plate, and the connecting plate and the drive components are connected through fixing parts; a mounting plate for installing hydraulic components is horizontally fixedly arranged between one of the support plates and the inner wall of the rear enclosure plate.

[0007] In a further aspect, the opposite surfaces of the connecting plate are concave arcs, and a groove-shaped connecting surface is opened on the top end surface of the connecting plate, and mounting holes are opened on the connecting surface.

[0008] In a further aspect, anti-tipping blocks are respectively fixed at both ends of the bottom end surface of the base.

[0009] In a further aspect, the drive components include an electromagnetic brake installed on the top end surface of a traction motor, and a drive wheel connected to the output shaft of a gearbox; a connecting frame is fixedly connected between the traction motor and the gearbox, and a steering motor is installed at the top of the connecting frame; a connecting platform is fixedly arranged on the outer periphery of the bottom end of the connecting frame, and connecting holes are opened on the connecting platform.

[0010] In a further solution, the hydraulic component includes an oil pump motor and a gear pump which are connected. The oil pump motor is fixedly installed on a motor bracket, and the bottom plate of the motor bracket is installed on the installation plate through fixing parts.

[0011] In an even further solution, the oil pump motor and the gear pump are fixedly connected by splines or bolts; the fixing parts are fixing bolts.

[0012] In this application, the base is a frame structure formed by positioning and group welding components such as a rear enclosure plate, a support plate, a connecting plate, and a front cross plate through a mold. The overall structure is stable and has high rigidity. Then, the connection surfaces, installation holes, etc. are processed by post-welding finishing to ensure the assembly accuracy of the transmission components and the hydraulic components.

[0013] In this application, both the transmission components and the hydraulic components are fixedly installed on the base, thereby improving the compactness of the rear frame structure of the order picker and reducing the space occupancy rate.

[0014] In this application, each component in the transmission components and the hydraulic components is connected by bolts or splines, which facilitates installation. It can achieve offline pre-assembly and then on-line module positioning and assembly, greatly improving the component assembly efficiency.

[0015] In this application, anti-tipping blocks are respectively fixed at both ends of the bottom end surface of the base. The anti-tipping blocks and the drive wheels in the transmission components are in the same plane. When the order picker is in an extreme working condition of lateral tipping, the anti-tipping blocks and the drive wheels provide support for the whole vehicle at the same time, thereby fully improving the anti-tipping ability of the order picker and ensuring driving safety. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The specification drawings forming a part of this application are used to provide a further understanding of this application. The schematic embodiments of this application and their descriptions are used to explain this application and do not constitute an improper limitation to this application.

[0017] Figure 1 It is a schematic structural diagram of the present utility model,

[0018] Figure 2 It is a top view of the base in the present utility model,

[0019] Figure 3 It is a bottom view of the base in the present utility model,

[0020] Figure 4 It is a schematic structural diagram of the transmission components in the present utility model,

[0021] Figure 5 It is a schematic structural diagram of the hydraulic components in the present utility model.

[0022] In the figure: 1 - base, 11 - rear enclosure panel, 12 - support plate, 13 - connecting plate, 131 - connecting surface, 14 - front cross plate, 15 - mounting plate, 16 - right bottom plate, 17 - anti - tipping block, 18 - left bottom plate; 2 - first fixing member, 3 - transmission component, 31 - driving wheel, 32 - gearbox, 33 - connecting frame, 331 - connecting platform, 34 - steering motor, 35 - traction motor, 36 - electromagnetic brake; 4 - hydraulic component, 41 - oil pump motor, 42 - gear pump, 43 - motor support; 5 - second fixing member. Specific embodiments

[0023] The following will refer to the drawings and combine with embodiments to detail the present application. It should be noted that, without conflict, the embodiments in the present application and the features in the embodiments can be combined with each other.

[0024] Refer to Figures 1-5 , this embodiment provides a rear frame structure of a picking vehicle, including a transmission component 3 and a hydraulic component 4. The transmission component 3 is installed on the base 1 through the first fixing member 2, and the hydraulic component 4 is installed on the base 1 through the second fixing member 5. In this embodiment, the first fixing member 2 and the second fixing member 5 are preferably fixing bolts; the base 1 is welded to the vehicle body of the picking vehicle. The base 1 includes a rear enclosure panel 11 with a C - shaped structure, and two support plates 12 are symmetrically and fixedly arranged inside the rear enclosure panel 11, thereby dividing the internal space of the rear enclosure panel 11 into three spaces along the length direction; the ends of the two support plates 12 are connected by a front cross plate 14 to form an installation cavity for installing the transmission component 3; a connecting plate 13 is fixedly arranged on the top surface of the support plate 12, and the connecting plate 13 is connected to the transmission component 3 through the first fixing member 2; a mounting plate 15 for installing the hydraulic component 4 is horizontally and fixedly arranged between one of the support plates 12 and the inner wall of the rear enclosure panel 11.

[0025] In the base 1 of this embodiment, components such as the rear enclosure panel 11, the support plate 12, the connecting plate 13, and the front cross plate 14 are all frame structures formed by die - positioning and welding. The overall structure is stable and has a large stiffness; the front cross plate 14 is located between the two support plates 12, effectively solving the problem of excessive shrinkage deformation deviation during welding and avoiding adverse phenomena such as chatter during post - welding finishing.

[0026] The opposite surfaces of the two connecting plates 13 are both concave - arc - shaped, and a groove - shaped connecting surface 131 is formed on the top surface of the connecting plate 13, aiming to be matched with the connecting platform 331 on the transmission component 3 for installation. The top surface of the connecting plate 13 is processed to form the groove - shaped connecting surface 131, and then mounting holes are processed on the connecting surface 131. Through the combined use of the connecting surface 131 and the mounting holes, the installation position of the transmission component 3 is accurate.

[0027] At both ends of the bottom end face of the base 1, anti-tipping blocks 17 are respectively fixed. At the bottoms of the two spaces on both sides of the installation cavity, a right bottom plate 16 and a left bottom plate 18 are respectively welded, and the anti-tipping blocks 17 are respectively installed on the right bottom plate 16 and the left bottom plate 18. And the anti-tipping blocks 17 and the drive wheels 31 in the transmission component 3 are in the same plane. When the order picker is in the extreme working condition of lateral tipping, the anti-tipping blocks 17 and the drive wheels 31 provide support for the whole vehicle at the same time, thus fully improving the anti-tipping ability of the order picker and ensuring driving safety.

[0028] As Figure 4 shown, the transmission component 3 includes an electromagnetic brake 36 installed on the top end face of the traction motor 35 and a drive wheel 31 connected to the output shaft of the transmission 32; a connecting frame 33 is fixedly connected between the traction motor 35 and the transmission 32, and a steering motor 34 is installed at the top of the connecting frame 33; a connecting platform 331 is fixedly provided on the outer periphery of the bottom end of the connecting frame 33, and a connecting hole is provided on the connecting platform 331. Among them, between the traction motor 35 and the electromagnetic brake 36, and between the connecting frame 33 and the steering motor 34, the traction motor 35, and the transmission 32 are all assembled by module positioning and fixed with bolts. Thus, all the parts in the transmission component 3 can be pre-assembled at the offline station first, and then the transmission component 3 can be quickly assembled on the base 1 by hoisting, significantly improving the assembly efficiency and assembly quality.

[0029] Place the transmission component 3 in the installation cavity surrounded by two support plates 12 and a front cross plate 14, that is, the drive wheels 31 of the transmission component 3 are just built into the installation cavity to limit it; and the connecting platform 331 is erected on the connecting plate 13 and embedded in the groove-shaped connecting surface 131; first, use a positioning pin for limiting, and then use fixing bolts to connect the connecting holes on the connecting platform 331 and the installation holes on the connecting surface 131 in sequence to fixedly install the transmission component 3 on the base 1.

[0030] As Figure 5 shown, the hydraulic component 4 includes an oil pump motor 41 and a gear pump 42 connected. The oil pump motor 41 is fixedly installed on the motor bracket 43, and the bottom plate of the motor bracket 43 is installed on the installation plate 15 through a fixing member 5. Among them, the oil pump motor 41 and the gear pump 42 are fixedly connected by splines or bolts.

[0031] Similarly, the components in the hydraulic component 4 are also assembled by module positioning and fixed with bolts, so that all the parts in the hydraulic component 4 can be pre-assembled at the offline station first, and then the hydraulic component 4 can be quickly assembled on the base 1 by hoisting, significantly improving the assembly efficiency and assembly quality of the hydraulic component 4.

[0032] During assembly, place the hydraulic component 4 on the mounting plate 15 on the base 1. Threaded holes are provided on both the bottom plate of the motor bracket 43 and the mounting plate 15, and then fix them using fixing bolts.

[0033] The above are only the preferred embodiments of the present application and are not intended to limit the present application. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present application are within the scope of protection of the pending claims of the present application.

Claims

1. A rear frame structure of a picking vehicle, comprising a transmission component (3) and a hydraulic component (4), wherein the transmission component (3) and the hydraulic component (4) are both mounted on a base (1) via a fixing member, and the base (1) is welded to a body of the picking vehicle; characterized in that: The base (1) comprises a rear panel (11) of a C-shaped structure, two support plates (12) are symmetrically fixedly arranged inside the rear panel (11), and the internal space of the rear panel (11) is divided into three spaces along the length direction; the ends of the two support plates (12) are connected by a front cross plate (14) to form a mounting cavity for mounting a transmission component (3); a connecting plate (13) is fixedly arranged on the top surface of the support plate (12), and the connecting plate (13) is connected to the transmission component (3) by a fixing piece; and a mounting plate (15) for mounting a hydraulic component (4) is fixedly arranged horizontally between one of the support plates (12) and the inner wall of the rear panel (11).

2. The rear frame structure of a picking vehicle according to claim 1, characterized in that: The opposite surface of the connecting plate (13) is concavely arc-shaped, and the top end surface of the connecting plate (13) is provided with a groove-shaped connecting surface (131), and a mounting hole is provided on the connecting surface (131).

3. The rear frame structure of a picking vehicle according to claim 1, characterized in that: Anti-tilt blocks (17) are respectively fixed to both ends of the bottom end surface of the base (1).

4. The rear frame structure of a picking vehicle according to claim 1, characterized in that: The transmission component (3) comprises an electromagnetic brake (36) mounted on the top surface of a traction motor (35) and a driving wheel (31) connected to an output shaft of a gearbox (32); a connecting frame (33) is fixedly connected between the traction motor (35) and the gearbox (32), and a steering motor (34) is mounted on the top of the connecting frame (33); a connecting platform (331) is fixedly provided on the outer periphery of the bottom end of the connecting frame (33), and a connecting hole is provided on the connecting platform (331).

5. The rear frame structure of a picking vehicle according to claim 1, characterized in that: The hydraulic component (4) comprises an oil pump motor (41) and a gear pump (42) connected to each other. The oil pump motor (41) is fixedly mounted on a motor bracket (43). The bottom plate of the motor bracket (43) is mounted on the mounting plate (15) via a fixing member.

6. The rear frame structure of a picking vehicle according to claim 5, characterized in that: The oil pump motor (41) and the gear pump (42) are fixedly connected via splines or bolts; and the fixing member is a fixing bolt.

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