Battery locking mechanism of pallet truck

Abstract

The utility model relates to a battery locking mechanism of a pallet truck. The technical problems that an existing storage battery is poor in fixing effect, prone to moving and shaking and the like are solved. Comprising a frame with a pallet fork on one side, a mounting box body is arranged on the upper side of the end, close to the frame, of the pallet fork, a battery shell with a plurality of battery pieces is arranged in the mounting box body, and a battery containing opening allowing the battery shell to axially move into the mounting box body is formed in one end of the mounting box body; and a battery fastening structure capable of fixing the battery shell is movably arranged on the limiting frame. The battery fastening structure has the advantages that the stable installation of the battery is ensured, the fastening block is in contact with the inner side of the battery shell through the fastening cushion block, when the fastening rod is parallel to the battery piece, the battery shell is extruded and fixed to prevent the battery shell from shaking during operation, and meanwhile, the battery limiting plate and the limiting cushion block are attached to the other side face of the battery shell to provide lateral support; the stability of the battery shell is further ensured.

Description

Technical Field

[0001] This utility model belongs to the technical field of pallet truck equipment, specifically relating to a battery locking mechanism for a pallet truck. Background Technology

[0002] Electric pallet trucks are widely used in logistics and handling. Powered by batteries, these trucks drive the entire vehicle to perform functions such as walking and lifting. During operation, pallet trucks are subjected to various external forces such as vibration and bumps. However, the batteries in most pallet trucks are poorly secured, easily causing them to shift and wobble in their installation position. This not only affects the normal operation of the pallet truck but may also damage the battery and even lead to safety accidents. Summary of the Invention

[0003] The purpose of this invention is to address the above-mentioned problems by providing a battery locking mechanism for a pallet truck.

[0004] To achieve the above objectives, this utility model adopts the following technical solution: a battery locking mechanism for a pallet truck, comprising a frame with forks on one side, a mounting box on the upper side of the forks near the frame, a battery casing containing several battery components inside the mounting box, a battery loading inlet at one end of the mounting box for axial movement of the battery casing into the mounting box, and a limiting frame on the upper side of the mounting box away from the battery loading inlet, with a battery fastening structure movably mounted on the limiting frame to fix the battery casing. Integrating the battery casing into the mounting box, combined with the fork position design, does not occupy additional space, making it suitable for the narrow operating environment of pallet trucks. The battery loading inlet facilitates axial loading and unloading of the battery casing, reducing operational complexity. Simultaneously, the cooperation between the limiting frame and the battery fastening structure ensures the stability of the battery components during transport.

[0005] In the aforementioned battery locking mechanism of a pallet truck, the mounting housing has a forklift plate on the side near the frame, and side plates at both ends of the mounting housing. The battery inlet is located on one of the side plates. The mounting housing has a front plate on the side away from the forklift plate, and both ends of the front plate are connected to the side plates. The forklift plate, side plates, and front plate form a frame structure, enhancing the rigidity of the mounting housing and bearing the weight of the battery and handling vibrations. A limiting bracket is located between the front plate and the forklift plate, contacting the battery casing through a limiting surface to ensure axial positioning accuracy during battery installation.

[0006] In the aforementioned battery locking mechanism of a pallet truck, the limiting frame is disposed between the front side plate and the fork plate. The limiting frame has a limiting surface that contacts one end of the battery casing. Both ends of the limiting frame are respectively provided with fixing parts connected to the fork plate and the front side plate. A fixing pad is provided between the fixing part of the limiting frame near the front side plate and the front side plate. The fixing parts at both ends are connected to the fork plate and the front side plate, forming a stable support and improving the torsional resistance of the limiting frame. The limiting surface directly contacts the battery casing, restricting its axial movement and providing a reference for subsequent fastening structures.

[0007] In the aforementioned battery locking mechanism of a pallet truck, the battery fastening structure includes a fastening rod with one end connected to a limiting frame via a connecting assembly. A fastening block is connected to one side of the middle portion of the fastening rod. An extension block is provided on the side of the fastening rod near the fastening block. A connecting groove matching the extension block is provided in the middle of the fastening block. Fastening pads are connected to both ends of the fastening block away from the fastening rod, which contact the inner side of the battery casing when the fastening rod is parallel to the battery component. The fastening rod is hinged to the limiting frame via the connecting assembly. Rotating the fastening rod applies pressure using leverage, making operation convenient and effortless. The fastening pads are made of elastic material, which buffers pressure when in contact with the inner side of the battery casing, preventing casing deformation. The matching design of the extension block and the connecting groove allows the fastening block to be quickly installed on the fastening rod, facilitating adjustment or replacement.

[0008] In the aforementioned battery locking mechanism of a pallet truck, the connecting assembly includes a first connecting portion disposed in the middle of the side of the limiting frame away from the battery casing. Vertical connecting plates are respectively provided on both sides of the first connecting portion, with a movable space between the two vertical connecting plates. A horizontal fixing plate is located between the two vertical connecting plates at the lower end of the first connecting portion. A first connecting hole is provided at the upper end of the vertical connecting plate, and a first locking hole is provided on one side of the first connecting hole. A second connecting portion is located within the movable space at the end of the fastening rod near the limiting frame. A movable sleeve corresponding to the first connecting hole is provided inside the second connecting portion. A movable shaft is provided between the movable sleeve and the first connecting hole. A second locking hole corresponding to the first locking hole is provided on one side of the movable sleeve, and the first locking hole and the second locking hole are connected by a fixing rod. The movable shaft cooperates with the movable sleeve, allowing the fastening rod to swing slightly. The fixing rod passes through the first locking hole and the second locking hole, ensuring that the fastening rod does not wobble after locking, improving stability. The cooperation between the vertical connecting plates and the plug-in block allows the connecting assembly to be quickly positioned and installed on the limiting frame, reducing assembly time.

[0009] In the battery locking mechanism of the pallet transport vehicle described above, a first notch is provided on the upper side of the middle part of the limiting frame, a second notch corresponding to the first notch is provided between the extension block and the second connecting part, insertion holes are provided on both sides of the middle part of the limiting frame, and an insertion block corresponding to the insertion hole is provided on one side of the vertical connecting plate, and a battery controller connected to the battery is provided at the end of the fastening rod away from the second connecting part.

[0010] In the aforementioned battery locking mechanism for a pallet truck, the upper end of the battery casing has an opening, and the upper end of the mounting box is detachably equipped with a battery cover capable of closing the opening. One end of the mounting box is equipped with a side door that can close the battery compartment entrance via a detachable fixing component, and the lower end of the mounting box is equipped with a battery moving component that allows the battery casing to move axially into the mounting box through the battery compartment entrance. The battery cover closes the opening of the casing to prevent dust and liquid from entering, the side door closes the battery compartment entrance to improve overall sealing, the detachable fixing component enables quick opening and closing of the side door for easy battery replacement in emergencies, and the battery moving component, in conjunction with the battery compartment entrance, allows the battery casing to be smoothly pushed in axially, reducing manual pushing and pulling resistance.

[0011] In the battery locking mechanism of the pallet truck described above, the detachable fixing component includes a pin mounting seat located on the upper end of the side door near the mounting box, a vertically arranged spring pin inside the pin mounting seat, a side door hole located below the spring pin at the upper end of the side door, a side door fixing strip located on the upper side of the mounting box near the battery inlet, and a side door fixing hole matching the spring pin in the middle of the side door fixing strip.

[0012] In the battery locking mechanism of the pallet truck described above, the lower end of the side door is provided with a side door insert plate extending axially outward. The mounting housing has an insert plate base on its lower side near the battery inlet. The insert plate base has a side door slot corresponding to the side door insert plate on its side near the battery inlet. The insert plate base has a limiting slot on its side away from the side door slot. The side door has a battery limiting plate on its side near the battery casing, with its lower end inserted into the limiting slot. The battery limiting plate has a limiting pad that contacts the battery casing on its side near the battery casing. A spring pin automatically locks the side door, eliminating the need for additional tools and improving operational efficiency. The side door insert plate and side door slot prevent the side door from shaking or falling off. The battery limiting plate and limiting slot, along with the limiting pad, prevent direct rigid contact between the battery casing and the side door, reducing collision damage and also stabilizing the battery casing.

[0013] In the aforementioned battery locking mechanism of a pallet truck, the battery moving component includes a base plate disposed at the lower end of the mounting box. The base plate has a U-shaped structure, and an axially extending moving groove is provided on the inner side of the base plate. Several transversely arranged moving rollers are disposed within the moving groove, and the bottom of the battery casing contacts the moving rollers. The moving rollers support the bottom of the battery casing, converting sliding friction into rolling friction, significantly reducing pushing and pulling resistance, and facilitating single-person operation.

[0014] Compared with existing technologies, the advantages of this utility model are:

[0015] 1. The device ensures the battery is securely installed through a battery fastening structure. The fastening block contacts the inside of the battery casing through the fastening pad. When the fastening rod is parallel to the battery component, it squeezes and fixes the battery casing to prevent it from shaking during operation. At the same time, the battery limiting plate and the limiting pad are attached to the other side of the battery casing to provide lateral support and further ensure the stability of the battery casing.

[0016] 2. This device features a battery moving assembly at the bottom of the mounting box, allowing the battery casing to be easily pushed into or pulled out of the mounting box axially, reducing the intensity of manual handling. At the same time, the detachable fixing assembly enables quick opening and closing of the side door. The upper spring pin engages and locks with the side door fixing hole, while the lower side door insert plate is inserted into the slot for positioning, balancing sealing and ease of operation. Attached Figure Description

[0017] Figure 1 This is a schematic diagram of the structure of this utility model.

[0018] Figure 2 This is a schematic diagram of the structure of the mounting box in this utility model.

[0019] Figure 3 This is an internal schematic diagram of the mounting box in this utility model.

[0020] Figure 4 This is an exploded view of the limiting frame in this utility model.

[0021] Figure 5 This is an exploded view of the fastening rod in this utility model.

[0022] Figure 6 This is a schematic diagram of the side door structure in this utility model.

[0023] Figure 7 This is a schematic diagram of the battery limiting plate in this utility model.

[0024] Figure 8 This is a schematic diagram of the battery fastening structure of this utility model when it is opened.

[0025] In the diagram: 1. Frame; 11. Forks; 2. Mounting housing; 21. Battery casing; 22. Battery assembly; 23. Battery inlet; 24. Limiting bracket; 25. Fork carriage plate; 26. Side plate; 27. Front side plate; 28. Limiting surface; 29. ​​Fixing part; 30. Fixing pad; 31. Battery fastening structure; 32. Fastening rod; 33. Fastening block; 34. Connecting groove; 35. Fastening pad; 4. Connecting assembly; 41. First connecting part; 42. Vertical connecting plate; 43. Movable space; 44. Lateral fixing plate; 45. First connecting hole; 46. First locking hole; 47. Second connecting part. 7. Movable sleeve 48, Movable shaft 49, Second locking hole 50, First notch 5, Second notch 51, Insertion hole 52, Insertion block 53, Battery controller 54, Battery cover 55, Side door 56, Detachable fixing assembly 6, Pin mounting base 61, Spring pin 62, Side door hole 63, Side door fixing strip 64, Side door fixing hole 65, Side door insert plate 66, Insert plate base 67, Side door slot 68, Limiting slot 69, Battery limiting plate 70, Battery moving assembly 7, Box bottom plate 71, Moving groove 72, Moving roller 73, Limiting pad 8. Detailed Implementation

[0026] The present invention will now be described in further detail with reference to the accompanying drawings and specific embodiments.

[0027] like Figure 1-8 As shown, a battery locking mechanism for a pallet truck includes a frame 1 with forks 11 on one side. A mounting housing 2 is located on the upper side of the forks 11 near the frame 1. The mounting housing 2 contains a battery casing 21 with several battery components 22. One end of the mounting housing 2 has a battery loading inlet 23 for axially moving the battery casing 21 into the mounting housing 2. A limiting frame 24 is located on the upper side of the mounting housing 2 away from the battery loading inlet 23, and a battery fastening structure 3 is movably mounted on the limiting frame 24 to fix the battery casing 21. Integrating the battery casing 21 into the mounting housing 2, combined with the fork 11 position design, does not occupy additional space and is suitable for the narrow operating environment of the pallet truck. The battery loading inlet 23 facilitates the axial loading and unloading of the battery casing 21, reducing operational complexity. Simultaneously, the cooperation between the limiting frame 24 and the battery fastening structure 3 ensures the stability of the battery components 22 during transport.

[0028] like Figure 2As shown, the mounting housing 2 has a fork plate 25 on the side near the frame 1, and side plates 26 at both ends of the mounting housing 2. The battery inlet 23 is located on one of the side plates 26. The mounting housing 2 has a front plate 27 on the side away from the fork plate 25, and both ends of the front plate 27 are connected to the side plates 26. The fork plate 25, side plates 26, and front plate 27 form a frame structure, which enhances the rigidity of the mounting housing 2 and can withstand the weight of the battery and vibrations during handling. The limiting bracket 24 is located between the front plate 27 and the fork plate 25, and contacts the battery casing 21 through the limiting surface 28 to ensure the axial positioning accuracy during battery installation.

[0029] The limiting frame 24 is disposed between the front side plate 27 and the fork plate 25. The limiting frame 24 has a limiting surface 28 that contacts one end of the battery casing 21. Both ends of the limiting frame 24 are respectively provided with fixing parts 29 that connect to the fork plate 25 and the front side plate 27. A fixing pad 30 is provided between the fixing part 29 near the front side plate 27 and the front side plate 27. The fixing parts 29 at both ends are connected to the fork plate 25 and the front side plate 27, forming a stable support and improving the torsional resistance of the limiting frame 24. The limiting surface 28 directly contacts the battery casing 21, restricting its axial movement and providing a reference for subsequent fastening structures.

[0030] Combination Figure 2 and Figure 5 As shown, the battery fastening structure 3 includes a fastening rod 31 connected to the limiting frame 24 at one end via a connecting assembly 4. A fastening block 32 is connected to one side of the middle of the fastening rod 31. An extension block 33 is provided on the side of the fastening rod 31 near the fastening block 32. A connecting groove 34 matching the extension block 33 is provided in the middle of the fastening block 32. Fastening pads 35 are respectively connected to the two ends of the fastening block 32 away from the fastening rod 31, which contact the inner side of the battery casing 21 when the fastening rod 31 is parallel to the battery component 22. The fastening rod 31 is hinged to the limiting frame 24 via the connecting assembly 4. When the fastening rod 31 is rotated, pressure is applied by lever action, which is convenient and labor-saving. The fastening pads 35 are made of elastic material, which can buffer pressure when in contact with the inner side of the battery casing 21 to prevent casing deformation. The matching design of the extension block 33 and the connecting groove 34 allows the fastening block 32 to be quickly installed on the fastening rod 31, which is convenient for adjustment or replacement.

[0031] Combination Figure 4 , Figure 5 and Figure 8As shown, the connecting assembly 4 includes a first connecting part 41 disposed in the middle of the side of the limiting frame 24 away from the battery casing 21. Vertical connecting plates 42 are respectively provided on both sides of the first connecting part 41, and there is a movable space 43 between the two vertical connecting plates 42. A horizontal fixing plate 44 is provided at the lower end of the first connecting part 41 between the two vertical connecting plates 42. A first connecting hole 45 is provided at the upper end of the vertical connecting plate 42. A first locking hole 46 is provided on one side of the first connecting hole 45. A second connecting part 47 is provided at the end of the fastening rod 31 near the limiting frame 24, which is located in the movable space 43. A movable sleeve 48 corresponding to the first connecting hole 45 is provided on the inner side of the second connecting part 47. A movable shaft 49 is provided between the movable sleeve 48 and the first connecting hole 45. A second locking hole 50 corresponding to the first locking hole 46 is provided on one side of the movable sleeve 48, and the first locking hole 46 and the second locking hole 50 are connected by a fixing rod. The movable shaft 49 cooperates with the movable sleeve 48, allowing the fastening rod 31 to swing slightly. The fixed rod passes through the first locking hole 46 and the second locking hole 50, ensuring that the fastening rod 31 does not wobble after being locked, thus improving stability. The cooperation between the vertical connecting plate 42 and the plug block 53 allows the connecting assembly 4 to be quickly positioned and installed on the limit frame 24, reducing assembly time.

[0032] The limiting frame 24 has a first notch 5 on the upper side of the middle part, and a second notch 51 corresponding to the first notch 5 is provided between the extension block 33 and the second connecting part 47. The limiting frame 24 has insertion holes 52 on both sides of the middle part, and a insertion block 53 corresponding to the insertion hole 52 is provided on one side of the vertical connecting plate 42. The fastening rod 31 has a battery controller 54 connected to the battery component 22 at the end away from the second connecting part 47.

[0033] like Figure 1 As shown, the battery casing 21 has an opening at its upper end. The upper end of the mounting box 2 is detachably equipped with a battery cover 55 that can close the opening. One end of the mounting box 2 is equipped with a side door 56 that can close the battery inlet 23 via a detachable fixing component 6. The lower end of the mounting box 2 is equipped with a battery moving component 7 that allows the battery casing 21 to move axially through the battery inlet 23 into the mounting box 2. The battery cover 55 closes the opening of the casing to prevent dust and liquid from entering. The side door 56 closes the battery inlet 23 to improve the overall sealing performance. The detachable fixing component 6 enables the side door 56 to be opened and closed quickly, facilitating battery replacement in emergencies. The battery moving component 7, in conjunction with the battery inlet 23, allows the battery casing 21 to be smoothly pushed in axially, reducing manual pushing and pulling resistance.

[0034] Combination Figure 2 , Figure 3 , Figure 6 and Figure 7As shown, the detachable fixing component 6 includes a pin mounting seat 61 located on the upper end of the side door 56 near the mounting box 2. The pin mounting seat 61 is provided with a vertically arranged spring pin 62. The upper end of the side door 56 is provided with a side door hole 63 located below the spring pin 62. The upper side of the mounting box 2 near the battery inlet 23 is provided with a side door fixing strip 64. The middle part of the side door fixing strip 64 is provided with a side door fixing hole 65 that matches the spring pin 62.

[0035] The side door 56 has a side door insert plate 66 extending axially outward at its lower end. The mounting housing 2 has an insert plate base 67 on its lower side near the battery inlet 23. The insert plate base 67 has a side door slot 68 corresponding to the side door insert plate 66 on its side near the battery inlet 23. A limiting slot 69 is located on the side of the insert plate base 67 away from the side door slot 68. A battery limiting plate 70, whose lower end inserts into the limiting slot 69, is located on the side of the side door 56 near the battery casing 21. A limiting pad 8, which contacts the battery casing 21, is also located on the side of the battery limiting plate 70 near the battery casing 21. A spring pin 62 automatically locks the side door 56 without additional tools, improving operational efficiency. The side door insert plate 66 and side door slot 68 prevent the side door 56 from shaking or falling off. The battery limiting plate 70, the limiting slot 69, and the limiting pad 8 prevent direct rigid contact between the battery casing 21 and the side door 56, reducing collision damage and stabilizing the battery casing 21.

[0036] like Figure 3 As shown, the battery moving assembly 7 includes a base plate 71 disposed at the lower end of the mounting housing 2. The base plate 71 has a U-shaped structure, and an axially extending moving groove 72 is provided on the inner side of the base plate 71. Several moving rollers 73 are arranged laterally in sequence within the moving groove 72, and the bottom of the battery housing 21 contacts the moving rollers 73. The moving rollers 73 support the bottom of the battery housing 21, converting sliding friction into rolling friction, significantly reducing pushing and pulling resistance, and facilitating single-person operation.

[0037] The principle of this embodiment is as follows:

[0038] The battery casing 21 moves from the battery inlet 23 into the mounting box 2 via the battery moving assembly 7. After the battery casing 21 is in place, the fastening rod 31 moves downward and becomes parallel to the battery casing 21. The fastening pad 35 of the fastening block 32 contacts the inner side of the battery casing 21, thus fixing the battery casing 21. Then, the lower end of the battery limiting plate 70 is inserted into the limiting slot 69. The limiting pad of the battery limiting plate 70 contacts the outer side of the battery casing 21, further fixing the battery casing 21. Then, the lower end of the side door 56 is connected to the side door slot 68 via the side door insert plate 66, and the upper end of the side door 56 is connected to the side door fixing hole 65 via the spring pin 62.

[0039] The specific embodiments described herein are merely illustrative examples illustrating the spirit of this utility model. Those skilled in the art to which this utility model pertains may make various modifications or additions to the described specific embodiments or use similar methods to substitute them, without departing from the spirit of this utility model or exceeding the scope defined by the appended claims.

[0040] Although this article extensively uses the following components: frame 1, fork 11, mounting box 2, battery casing 21, battery component 22, battery inlet 23, limiting bracket 24, fork carriage plate 25, side plate 26, front side plate 27, limiting surface 28, fixing part 29, fixing pad 30, battery fastening structure 3, fastening rod 31, fastening block 32, extension block 33, connecting groove 34, fastening pad 35, connecting assembly 4, first connecting part 41, vertical connecting plate 42, movable space 43, transverse fixing plate 44, first connecting hole 45, first locking hole 46, second connecting part 47, movable sleeve 48. Movable shaft; 49. Second locking hole; 50. First notch; 51. Second notch; 52. Insertion hole; 53. Insertion block; 54. Battery controller; 55. Battery cover; 56. Side door; 67. Detachable fixing assembly; 68. Pin mounting base; 61. Spring pin; 62. Side door hole; 63. Side door fixing strip; 64. Side door fixing hole; 65. Side door insert plate; 66. Insert plate base; 67. Side door slot; 68. Limiting slot; 69. Battery limiting plate; 70. Battery moving assembly; 71. Box bottom plate; 72. Moving groove; 73. Moving roller; 8. Limiting pad, etc., but the possibility of using other terms is not excluded. These terms are used merely for the convenience of describing and explaining the essence of this utility model; interpreting them as any additional limitation would contradict the spirit of this utility model.

Claims

1. A battery locking mechanism for a pallet truck, comprising a frame (1) with forks (11) on one side, wherein a mounting housing (2) is provided on the upper side of the forks (11) near the end of the frame (1), characterized in that, The mounting box (2) is provided with a battery casing (21) containing a plurality of battery components (22). One end of the mounting box (2) is provided with a battery inlet (23) for the battery casing (21) to move axially into the mounting box (2). A limiting frame (24) is provided on the upper side of the end of the mounting box (2) away from the battery inlet (23), and a battery fastening structure (3) that can fix the battery casing (21) is movably provided on the limiting frame (24).

2. The battery locking mechanism of a pallet transport vehicle according to claim 1, characterized in that, The mounting box (2) has a fork plate (25) on the side near the frame (1), and the mounting box (2) has side plates (26) at both ends. The battery inlet (23) is located on one of the side plates (26). The mounting box (2) has a front plate (27) on the side away from the fork plate (25), and the two ends of the front plate (27) are connected to the side plates (26).

3. The battery locking mechanism of a pallet transport vehicle according to claim 2, characterized in that, The limiting frame (24) is disposed between the front side plate (27) and the fork plate (25). The limiting frame (24) has a limiting surface (28) that contacts one end of the battery casing (21). The limiting frame (24) has fixing parts (29) at both ends that are connected to the fork plate (25) and the front side plate (27), respectively. A fixing pad (30) is provided between the fixing part (29) of the limiting frame (24) near the front side plate (27) and the front side plate (27).

4. The battery locking mechanism of a pallet transport vehicle according to claim 2 or 3, characterized in that, The battery fastening structure (3) includes a fastening rod (31) connected to a limiting frame (24) at one end via a connecting component (4). A fastening block (32) is connected to one side of the middle of the fastening rod (31). An extension block (33) is provided on the side of the fastening rod (31) near the fastening block (32). A connecting groove (34) matching the extension block (33) is provided in the middle of the fastening block (32). Fastening pads (35) are respectively connected to the two ends of the fastening block (32) away from the fastening rod (31), which are in contact with the inner side of the battery casing (21) when the fastening rod (31) is parallel to the battery component (22).

5. The battery locking mechanism of a pallet transport vehicle according to claim 4, characterized in that, The connecting assembly (4) includes a first connecting part (41) disposed in the middle of the side of the limiting frame (24) away from the battery casing (21). Vertical connecting plates (42) are respectively provided on both sides of the first connecting part (41), and there is a movable space (43) between the two vertical connecting plates (42). A horizontal fixing plate (44) is provided at the lower end of the first connecting part (41) between the two vertical connecting plates (42). A first connecting hole (45) is provided at the upper end of the vertical connecting plate (42), and a first locking hole (45) is provided on one side of the first connecting hole (45). 6) The fastening rod (31) is provided with a second connecting part (47) located in the movable space (43) at one end near the limiting frame (24). The inner side of the second connecting part (47) is provided with a movable sleeve (48) corresponding to the first connecting hole (45). A movable shaft (49) is provided between the movable sleeve (48) and the first connecting hole (45). A second locking hole (50) corresponding to the first locking hole (46) is provided on one side of the movable sleeve (48). The first locking hole (46) and the second locking hole (50) are connected by a fixing rod.

6. The battery locking mechanism of a pallet transport vehicle according to claim 5, characterized in that, The limiting frame (24) has a first notch (5) on the upper side of the middle part, and the extension block (33) and the second connecting part (47) have a second notch (51) corresponding to the first notch (5). The limiting frame (24) has insertion holes (52) on both sides of the middle part, and the vertical connecting plate (42) has an insertion block (53) corresponding to the insertion hole (52) on one side. The fastening rod (31) has a battery controller (54) connected to the battery component (22) at the end away from the second connecting part (47).

7. The battery locking mechanism of a pallet transport vehicle according to claim 1, characterized in that, The battery casing (21) has an opening at the top. The mounting box (2) is detachably equipped with a battery cover (55) that can close the opening. One end of the mounting box (2) is equipped with a side door (56) that can close the battery loading entrance (23) via a detachable fixing component (6). The lower end of the mounting box (2) is equipped with a battery moving component (7) that allows the battery casing (21) to move axially through the battery loading entrance (23) into the mounting box (2).

8. The battery locking mechanism of a pallet transport vehicle according to claim 7, characterized in that, The detachable fixing component (6) includes a pin mounting seat (61) located on the upper end of the side door (56) near the mounting box (2). The pin mounting seat (61) is provided with a vertically arranged spring pin (62). The upper end of the side door (56) is provided with a side door hole (63) located below the spring pin (62). The upper side of the mounting box (2) near the battery inlet (23) is provided with a side door fixing strip (64). The middle part of the side door fixing strip (64) is provided with a side door fixing hole (65) that matches the spring pin (62).

9. The battery locking mechanism of a pallet transport vehicle according to claim 8, characterized in that, The side door (56) is provided with a side door insert plate (66) extending axially to the outside at the lower end. The mounting box (2) is provided with an insert plate base (67) on the lower side near the battery inlet (23). The insert plate base (67) is provided with a side door slot (68) corresponding to the side door insert plate (66) on the side near the battery inlet (23). The insert plate base (67) is provided with a limiting slot (69) on the side away from the side door slot (68). The side door (56) is provided with a battery limiting plate (70) whose lower end is inserted into the limiting slot (69) on the side near the battery casing (21). The battery limiting plate (70) is provided with a limiting pad (8) that contacts the battery casing (21) on the side near the battery casing (21).

10. The battery locking mechanism of a pallet transport vehicle according to claim 7, characterized in that, The battery moving assembly (7) includes a housing base plate (71) disposed at the lower end of the mounting housing (2). The housing base plate (71) has a U-shaped structure. An axially extending moving groove (72) is provided on the inner side of the housing base plate (71). A plurality of horizontally arranged moving rollers (73) are provided in the moving groove (72). The bottom of the battery casing (21) is in contact with the moving rollers (73).

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