Piling car with protection arm structure

By embedded metal fixing plates inside the protective plate of the stacker and combined with the protective plate injection molding, the problem of poor fixing reliability of the protective plate and the connecting plate is solved, the firmness and safety of the structure are improved, and the cargo is prevented from smashing people in the driving area.

CN223134035UActive Publication Date: 2025-07-22NINGBO LIFTSTAR MATERIAL HANDLING EQUIP CO LTD
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Patent Information

Application Number
CN202421747796.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-07-23
Publication Date
2025-07-22
Estimated Expiration
2034-07-23

AI Technical Summary

Technical Problem

The protective plate and connecting plate of existing stacker trucks have poor reliability and are prone to cracking or breaking.

Method used

The protective plate is embedded with metal material in the inside of the protective plate and is injection molded into one with the protective plate. It is tightened with the connecting plate by several screws to enhance the fixing firmness.

Benefits of technology

It improves the fixing reliability of the protective plate and the connecting plate, enhances the overall strength and safety of the structure, and prevents cargo from hitting the staff in the driving area.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides a piling car with a protection arm structure. The piling car comprises a car frame and two protection arms which are arranged in a bilateral symmetry mode. Each protection arm comprises a rotating shaft, a connecting plate and a protection plate made of a plastic material; one end of each connecting plate is welded and fixed to the outer wall of the rotating shaft on the corresponding side, the other end of each connecting plate is fixed to the protection plate, each rotating shaft is rotatably connected to the top of the rear side of the frame, and a horizontal rotation limiting assembly is arranged between each rotating shaft and the frame; a limiting groove is formed in the outer side face of the protection plate, and the other end of the connecting plate is embedded in the limiting groove and fixed to the protection plate. A fixing plate made of metal materials is embedded in the protection plate, and the fixing plate and the protection plate are integrated in an injection molding mode. The other end of the connecting plate is fixed to the protection arm through a plurality of screws distributed at intervals in the length direction of the connecting plate. The fixing reliability of the protection plate and the connecting plate can be improved.
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Description

Technical Field

[0001] The utility model relates to the technical field of stackers, and particularly to a stacker with a protective arm structure. Background Art

[0002] A stacker is a device used for stacking goods. Currently, stackers on the market include a frame and two protective arms arranged symmetrically left and right; the two protective arms are rotatably connected to the top of the rear side of the frame, and a driving area is formed between the two protective arms; each protective arm includes a rotating shaft, a connecting plate, and a protective plate made of plastic material; one end of each connecting plate is welded and fixed to the outer wall of the corresponding rotating shaft, the other end of each connecting plate is fixed to the protective plate, each rotating shaft is rotatably connected to the top of the rear side of the frame, and a horizontal rotation limiting component is arranged between each rotating shaft and the frame; in the above existing stacker structure, the protective plate made of plastic material is directly fixed to the other end of the connecting plate, and in the existing structure, the protective plate is directly fixed to the connecting plate by screws. However, with this fixing method, since the protective plate at the screw position is subjected to greater stress, it is easy to cause cracking or breaking of the protective plate at the screw position, that is, there is a disadvantage of poor fixing reliability between the protective plate and the connecting plate. Content of the Utility Model

[0003] The technical problem to be solved by the utility model is to provide a stacker with a protective arm structure. After embedding a fixing plate made of metal material inside the protective plate, the fixing plate and the protective plate are injection-molded into one body, and the connecting plate is fastened to the fixing plate by a plurality of screws, so as to improve the fixing firmness between the protective plate and the connecting plate, that is, to improve the fixing reliability between the protective plate and the connecting plate.

[0004] The utility model provides a stacker with a protective arm structure, including a frame and two protective arms arranged symmetrically left and right; the two protective arms are rotatably connected to the top of the rear side of the frame, and a driving area is formed between the two protective arms; each protective arm includes a rotating shaft, a connecting plate, and a protective plate made of plastic material; one end of each connecting plate is welded and fixed to the outer wall of the corresponding rotating shaft, the other end of each connecting plate is fixed to the protective plate, each rotating shaft is rotatably connected to the top of the rear side of the frame, and a horizontal rotation limiting component is arranged between each rotating shaft and the frame; a limiting groove is arranged on the outer side surface of the protective plate, the other end of the connecting plate is embedded in the limiting groove and fixed to the protective plate; a fixing plate made of metal material is embedded inside the protective plate, and the fixing plate and the protective plate are injection-molded into one body; the other end of the connecting plate is fixed to the protective arm by a plurality of screws spaced at intervals along the length direction of the connecting plate, and the screw part of each screw penetrates through the connecting plate and is threadedly fastened to the fixing plate.

[0005] After embedding a fixing plate made of metal material inside the protection plate in the present utility model, the fixing plate and the protection plate are injection-molded into one body, and the connecting plate is fastened to the fixing plate by a plurality of screws, so as to improve the fixing firmness between the protection plate and the connecting plate, that is, the reliability of the fixation between the protection plate and the connecting plate can be improved.

[0006] In a possible implementation manner, flanges bent outward are provided at both the upper end and the lower end of the fixing plate, and the flange at the upper end of the fixing plate and the flange at the lower end of the fixing plate respectively extend above and below the limiting groove; after providing flanges bent outward at both the upper end and the lower end of the fixing plate, and since the flange at the upper end of the fixing plate and the flange at the lower end of the fixing plate respectively extend above and below the limiting groove. Thus, the connection firmness between the fixing plate and the protection plate can be further improved. In addition, the structural strength of the protection plate above and below the limiting groove can also be improved.

[0007] In a possible implementation manner, the stacker also includes a overhead guard; the overhead guard includes a grid-shaped protection plate that extends above the driving area of the stacker; the left and right sides at the front end of the protection plate extend downward to form support arms, and the lower ends of the support arms are fixed to the upper end of the vehicle frame; through the provision of the overhead guard, during the process of the staff driving and operating the stacker, if the goods accidentally fall from the fork of the stacker, the protection plate can block the goods, that is, it can prevent the falling goods from injuring the staff in the driving area of the stacker, thereby effectively eliminating potential safety hazards.

[0008] In a possible implementation manner, an extension portion extending forward is provided at the lower end of each support arm, and the front ends of the two extension portions are respectively fixed to the left and right sides of the upper end of the vehicle frame; after providing an extension portion at the lower end of each support arm, after the extension portion is fixed to the vehicle frame, the support arm and the protection plate can be reliably fixed to the vehicle frame.

[0009] In a possible implementation manner, the front end of each extension portion is fixed to the vehicle frame by a plurality of first bolts; after adopting this structure, under the action of the plurality of first bolts, each extension portion can be reliably fixed to the vehicle frame, that is, after the extension portion is fixed to the vehicle frame, the support arm and the protection plate can be reliably fixed to the vehicle frame.

[0010] In a possible implementation, a plurality of support plates are provided at the front end of the protective plate, which are spaced apart from left to right. Each support plate extends from top to bottom. The upper end of each support plate is integrally connected to the front end of the protective plate. A reinforcing plate is provided between the two support arms. The two ends of the reinforcing plate are respectively welded and fixed to the inner side wall of one of the support arms. The lower end of each support plate is welded and fixed to the reinforcing plate. By adopting this structure, under the action of the support plates and the reinforcing plate, the connection strength between the protective plate and the support arms can be further improved, that is, the support arms can reliably support the protective plate.

[0011] In a possible implementation, a lighting lamp is fixed at the bottom of the protective plate. The connection line of the lighting lamp is electrically connected to the controller in the stacker. By providing the lighting lamp, when the staff drives and operates the stacker, the lighting lamp can play an auxiliary lighting role.

[0012] In a possible implementation, a plurality of wire clips are fixed on the outer side wall of one of the support arms. The plurality of wire clips are used to fix the connection line of the lighting lamp. By providing the wire clips, the reliable fixation of the connection line of the lighting lamp can be achieved.

[0013] In a possible implementation, each wire clip includes a "U"-shaped pressing part. The opening of the pressing part faces the support arm. The pressing part is used for the connection line of the lighting lamp to be embedded and presses the connection line of the lighting lamp on the support arm. One side of the opening end of the pressing part extends outward to form a fixing part. The wire clip is fixed on the support arm by a second bolt passing through the fixing part and threadedly connected to the support arm. By adopting this structure, the wire clip can be reliably fixed on the corresponding support arm, and the wire clip can reliably fix the connection line of the lighting lamp on the corresponding support arm. Description of the Drawings

[0014] Figure 1 It is a left view structural diagram of the stacker;

[0015] Figure 2 It is a three-dimensional structural diagram of the stacker after removing the overhead guard;

[0016] Figure 3 It is a partially disassembled three-dimensional structural diagram of the protection arm;

[0017] Figure 4 It is a three-dimensional sectional structural diagram of the protection arm;

[0018] Figure 5 It is a three-dimensional structural diagram of the overhead guard;

[0019] Figure 6 It is Figure 5 The enlarged structural diagram at A in Detailed Implementation Modes

[0020] First of all, those skilled in the art should understand that these embodiments are only used to explain the technical principles of the embodiments of the present application, and are not intended to limit the protection scope of the embodiments of the present application. Those skilled in the art can make adjustments according to needs to adapt to specific application scenarios.

[0021] In the description of the embodiments of the present application, it should be noted that unless otherwise clearly specified and limited, the terms "connected" and "connected" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium. For those of ordinary skill in the art, the specific meanings of the above terms in the embodiments of the present application can be understood according to specific situations.

[0022] In the embodiments of the present application, unless otherwise clearly specified and limited, the first feature being "on" or "under" the second feature can be that the first and second features are in direct contact, or the first and second features are indirectly in contact through an intermediate medium. Moreover, the first feature being "above", "over" and "on" the second feature can be that the first feature is directly above or obliquely above the second feature, or merely indicates that the first feature has a higher horizontal height than the second feature. The first feature being "under", "below" and "beneath" the second feature can be that the first feature is directly below or obliquely below the second feature, or merely indicates that the first feature has a lower horizontal height than the second feature.

[0023] The present application will be further described in detail below with reference to the accompanying drawings and specific embodiments.

[0024] See Figures 1-6As shown in the figure, an embodiment of the present application discloses a stacker with a protective arm structure, which includes a frame 1 and two protective arms 2 arranged symmetrically left and right; the two protective arms 2 are rotatably connected to the top of the rear side of the frame 1, and a driving area is formed between the two protective arms 2; each protective arm 2 includes a rotating shaft 21, a connecting plate 22, and a protective plate 23 made of plastic material; one end of each connecting plate 22 is welded and fixed to the outer wall of the corresponding rotating shaft 21, the other end of each connecting plate 22 is fixed to the protective plate 23, each rotating shaft 21 is rotatably connected to the top of the rear side of the frame 1, and a horizontal rotation limiting component is arranged between each rotating shaft 21 and the frame 1; a limiting groove 231 is arranged on the outer side surface of the protective plate 23, and the other end of the connecting plate 22 is embedded in the limiting groove 231 and fixed to the protective plate 23; a fixing plate 24 made of metal material is embedded inside the protective plate 23, and the fixing plate 24 and the protective plate 23 are injection-molded into one body; the other end of the connecting plate 22 is fixed to the protective arm 2 by a plurality of screws 25 spaced along the length direction of the connecting plate 22, and the screw part of each screw 25 passes through the connecting plate 22 and is threadedly fastened to the fixing plate 24; in the above structure, the horizontal rotation limiting component for controlling the rotation angle range of the rotating shaft is an existing component in the current stackers on the market, which is used to control the rotation range of the protective arm relative to the frame, and it is prior art, so it will not be elaborated here.

[0025] Flanging 241 bent outward is arranged at both the upper end and the lower end of the fixing plate 24, and the flanging 241 at the upper end of the fixing plate 24 and the flanging 241 at the lower end of the fixing plate 24 extend above and below the limiting groove 231 respectively; by arranging flanging bent outward at both the upper end and the lower end of the fixing plate, and since the flanging at the upper end of the fixing plate and the flanging at the lower end of the fixing plate extend above and below the limiting groove respectively. Thus, the connection firmness between the fixing plate and the protective plate can be further improved. In addition, the structural strength of the protective plate at the upper and lower parts of the limiting groove can also be improved.

[0026] The stacker further includes a roof guard 3; the roof guard 3 includes a grid-shaped protective plate 31, and the protective plate 31 extends above the driving area of the stacker; the left and right sides at the front end of the protective plate 31 extend downward to form support arms 32, and the lower ends of the support arms 32 are fixed to the upper end of the frame 1; through the arrangement of the roof guard, during the process of the staff driving and operating the stacker, when the goods accidentally fall from the fork of the stacker, the protective plate can block the goods, that is, it can avoid the falling goods from injuring the staff in the driving area of the stacker, thus effectively eliminating potential safety hazards.

[0027] An extension part 321 extending forward is provided at the lower end of each support arm 32, and the front ends of the two extension parts 321 are respectively fixed to the left and right sides of the upper end of the vehicle frame 1; after the extension parts are provided at the lower end of each support arm and fixed to the vehicle frame, the support arms and the protection plate can be reliably fixed to the vehicle frame.

[0028] The front end of each extension part 321 is fixed to the vehicle frame 1 by a plurality of first bolts 33; after adopting this structure, under the action of the plurality of first bolts, each extension part can be reliably fixed to the vehicle frame, that is, after the extension part is fixed to the vehicle frame, the support arms and the protection plate can be reliably fixed to the vehicle frame.

[0029] A plurality of support plates 34 spaced from left to right are further provided at the front end of the protection plate 31, each support plate 34 extends from top to bottom, the upper end of each support plate 34 is integrally connected to the front end of the protection plate 31, a reinforcing plate 35 is provided between the two support arms 32, and both ends of the reinforcing plate 35 are respectively welded and fixed to the inner side wall of one of the support arms 32, and the lower end of each support plate 34 is welded and fixed to the reinforcing plate 35; after adopting this structure, under the action of the support plates and the reinforcing plate, the connection strength between the protection plate and the support arms can be further improved, that is, the support arms can reliably support the protection plate.

[0030] A lighting lamp 4 is fixed to the bottom of the protection plate 31, and the connecting wire of the lighting lamp 4 is electrically connected to the controller in the stacker; through the setting of the lighting lamp, when the staff drives and operates the stacker, the lighting lamp can play an auxiliary lighting role.

[0031] A plurality of wire clips 5 are fixed to the outer side wall of one of the support arms 32, and the plurality of wire clips 5 are used for fixing the connecting wire of the lighting lamp 4; through the setting of the wire clips, the reliable fixing of the connecting wire of the lighting lamp can be realized.

[0032] Each wire clip 5 includes a "U"-shaped wire pressing part 51, the opening of the wire pressing part 51 faces the support arm 32, and the wire pressing part 51 is used for embedding the connecting wire of the lighting lamp 4 and pressing the connecting wire of the lighting lamp 4 against the support arm 32; one side of the opening end of the wire pressing part 51 extends outward to form a fixing part 52, and the wire clip 5 is fixed to the support arm 32 by a second bolt 6 passing through the fixing part 52 and threadedly connected to the support arm 32; after adopting this structure, the wire clip can be reliably fixed to the corresponding support arm, and the wire clip can reliably fix the connecting wire of the lighting lamp to the corresponding support arm.

[0033] As described above, it is only the specific implementation manner of the present application, but the protection scope of the present application is not limited thereto. Any changes or substitutions that can be easily thought of by those skilled in the art within the technical scope disclosed by the present application should be covered within the protection scope of the present application. Therefore, the protection scope of the present application shall be subject to the protection scope of the claims.

Claims

1. A stacker with a protective arm structure, comprising a frame (1) and two protective arms (2) arranged symmetrically left and right; the two protective arms (2) are rotatably connected to the top of the rear side of the frame (1), and a driving area is formed between the two protective arms (2); each protective arm (2) includes a rotating shaft (21), a connecting plate (22) and a protective plate (23) made of plastic material; one end of each connecting plate (22) is welded and fixed to the outer wall of the corresponding rotating shaft (21), the other end of each connecting plate (22) is fixed to the protective plate (23), each rotating shaft (21) is rotatably connected to the top of the rear side of the frame (1), and a horizontal rotation limiting component is arranged between each rotating shaft (21) and the frame (1); characterized in that: A limiting groove (231) is provided on the outer side surface of the protection plate (23). The other end of the connecting plate (22) is embedded in the limiting groove (231) and fixed to the protection plate (23). A fixing plate (24) made of a metal material is embedded inside the protection plate (23), and the fixing plate (24) and the protection plate (23) are injection-molded into one body. The other end of the connecting plate (22) is fixed to the protection arm (2) by a plurality of screws (25) spaced along the length direction of the connecting plate (22). The screw part of each screw (25) passes through the connecting plate (22) and is threadedly fastened to the fixing plate (24).

2. The pallet truck with a protective arm structure according to claim 1, characterized in that: Flanges (241) bent outward are provided at both the upper and lower ends of the fixing plate (24). The flange (241) at the upper end of the fixing plate (24) and the flange (241) at the lower end of the fixing plate (24) extend above and below the limiting groove (231) respectively.

3. The stacker with a protective arm structure according to claim 1 or 2, characterized in that: The stacker also includes a overhead guard (3). The overhead guard (3) includes a grid-shaped protection plate (31), and the protection plate (31) extends above the driving area of the stacker. Support arms (32) extend downward from the left and right sides at the front end of the protection plate (31), and the lower ends of the support arms (32) are fixed to the upper end of the vehicle frame (1).

4. The stacker with a protective arm structure according to claim 3, characterized in that: An extension part (321) extending forward is provided at the lower end of each support arm (32), and the front ends of the two extension parts (321) are respectively fixed to the left and right sides at the upper end of the vehicle frame (1).

5. The stacker with a protective arm structure according to claim 4, characterized in that: The front end of each extension part (321) is fixed to the vehicle frame (1) by a plurality of first bolts (33).

6. The stacker with a protective arm structure according to claim 3, characterized in that: A plurality of support plates (34) spaced from left to right are further provided at the front end of the protection plate (31). Each support plate (34) extends from top to bottom, and the upper end of each support plate (34) is integrally connected to the front end of the protection plate (31). A reinforcing plate (35) is provided between the two support arms (32). The two ends of the reinforcing plate (35) are respectively welded and fixed to the inner side wall of one of the support arms (32). The lower end of each support plate (34) is welded and fixed to the reinforcing plate (35).

7. The stacker with a protective arm structure according to claim 3, characterized in that: A lighting lamp (4) is fixed to the bottom of the protection plate (31), and the connecting wire of the lighting lamp (4) is electrically connected to a controller in the stacker.

8. The stacker with a protective arm structure according to claim 7, characterized in that: A plurality of wire clips (5) are fixed to the outer side wall of one of the support arms (32), and the plurality of wire clips (5) are used to fix the connecting wire of the lighting lamp (4).

9. The stacker with a protective arm structure according to claim 8, characterized in that: Each wire clip (5) includes a "U"-shaped wire pressing part (51). The opening of the wire pressing part (51) faces the support arm (32). The wire pressing part (51) is used for the connecting wire of the lighting lamp (4) to be embedded and press the connecting wire of the lighting lamp (4) against the support arm (32). One side of the opening end of the wire pressing part (51) extends outward to form a fixing part (52). The wire clip (5) is fixed to the support arm (32) by a second bolt (6) passing through the fixing part (52) and threadedly connected to the support arm (32).