Lifting conveying trolley

Abstract

The utility model relates to the technical field of agricultural tools, in particular to a lifting conveying trolley which comprises a lifting assembly, a pulley assembly and a guide assembly. The lifting assembly comprises a fixed support, a transition support and a sliding support which are sequentially connected in a sliding mode, and the pulley assembly comprises a first pulley and a second pulley which are fixedly arranged at the top ends of the fixed support and the transition support and further comprises a fixed rope and a lifting rope; the guide assembly comprises a guide plate and a guide wheel, and the guide plate wraps the fixed support and the transition support. Through mutual cooperation of the lifting assembly and the pulley assembly, mechanical lifting of the metal net frame is achieved, the low efficiency and the safety problem of manual frame lifting are avoided, and meanwhile the lifting height is higher and the lifting speed is high. By arranging the guide assembly, the transition support is more stable in stroke and does not shake or deform in the ascending process, and by arranging the proximity switch, workers do not need to worry that the transition support exceeds the limit position and is damaged in the ascending process.

Description

TECHNICAL FIELD

[0001] The utility model relates to agricultural tool technical field especially, relate to a kind of lifting delivery trolley. BACKGROUND

[0002] In some orchard or fruit purchase point, in order to facilitate handling and temporary storage of just picked fruit, fruit can be placed in metal mesh frame first. Metal mesh frame has the characteristics of good ventilation, strong and durable, which can reduce the extrusion damage of fruit caused by accumulation to some extent, and also facilitates handling and unloading.

[0003] But handling and unloading in the prior art often need to be completed manually, not only time-consuming and labor-intensive, but also high in safety risk, which can cause personal injury and increase the transportation cost of fruit. UTILITY MODEL CONTENT

[0004] Technical purpose: in order to overcome the deficiencies in the prior art, the utility model provides a lifting delivery trolley, which is small and flexible, and has high handling efficiency.

[0005] Technical scheme: to achieve the above purpose, the utility model discloses a lifting delivery trolley, which comprises a lifting assembly, a pulley assembly and a guide assembly.

[0006] The lifting assembly comprises a fixed support, a transition support and a sliding support connected in sequence, the fixed support and the transition support are hollow tubular structures, and the cross sections are rectangular, the long side of the cross section of the fixed support is greater than that of the transition support, first and second sliding grooves are formed in the fixed support and the transition support respectively.

[0007] The guide assembly comprises a guide plate and a guide wheel, the guide plate is wrapped around the fixed support and the transition support, the guide wheel is symmetrically arranged at the end of the guide plate, and the two guide wheels are rollingly connected with the transition support, and the fixed support, the transition support and the sliding support are slidingly connected through the pulley assembly.

[0008] Further, the pulley assembly comprises a first pulley and a second pulley fixedly arranged at the top end of the fixed support and the transition support, and further comprises a fixed rope and a lifting rope coiled around the first pulley and the second pulley respectively.

[0009] One end of the fixed rope is wound around the winding roller, and the other end is wound around the first pulley and then fixedly arranged at the lower end of the transition support, one end of the lifting rope is fixed to the fixed support, and the other end is wound around the second pulley and then fixedly connected with the sliding support.

[0010] Further, the electric control system further comprises a charging battery, a worm gear reducer, a relay and a lifting switch, and the output end of the worm gear reducer is connected to the winding roller.

[0011] Further, the electric control system further comprises a limit switch, the fixed support is provided with a mounting hole, the limit switch extends into the fixed support through the mounting hole and can be in contact with the lower part of the transition support.

[0012] Further, the transition support and the lower end of the sliding support are respectively provided with a first roller and a second roller.

[0013] Further, the lower end of the fixed support is fixedly connected with a wheel frame, and the wheel frame is provided with wheels at both ends.

[0014] Further, the fixed support is provided with a handle for pushing the trolley, the handle is provided with a grip, and the lifting switch is arranged on the grip.

[0015] Further, the wheel frame is provided with a supporting leg for supporting the trolley.

[0016] Further, the upper end of the sliding support is further provided with a hook, and the lower end is further provided with a limit arc.

[0017] Further, the sliding support is further provided with an illuminating lamp.

[0018] Compared with the prior art, the lifting conveying trolley has the advantages that:

[0019] 1、The lifting conveying trolley realizes mechanical lifting of the metal mesh frame through the cooperation of the lifting assembly and the pulley assembly, avoids low efficiency and safety problems caused by manual lifting, has higher lifting height and faster speed, and improves fruit and vegetable transportation efficiency.

[0020] 2、The guide plate and the guide wheel arranged outside the fixed support and the transition support make the transition support more stable during the lifting process, and avoid shaking or deformation caused by the heavy fruit frame, thereby increasing the safety of the lifting process.

[0021] 3、The proximity switch arranged on the fixed support can automatically stop the lifting process when reaching the lifting limit position, so that workers do not need to worry about the transition support exceeding the limit position and being damaged during the lifting process, and the lifting efficiency and safety are further improved.

[0022] 4、The use of the relay and the worm gear reducer improves the automation degree of the trolley, has better mute effect and is easy to use.

[0023] 5. With the addition of support legs, the cart can be supported after use without having to be laid down, making it more convenient to use. Attached Figure Description

[0024] Figure 1 This is a front view of the overall structure of the handcart of this utility model;

[0025] Figure 2 This is a schematic diagram of the rear of the overall structure of the handcart of this utility model;

[0026] Figure 3 This is a schematic diagram of the fixed bracket;

[0027] Figure 4 This is a schematic diagram of a transition support;

[0028] Figure 5 This is a schematic diagram of a sliding bracket;

[0029] Figure 6 A schematic diagram of the structure in which the fixed bracket, transition bracket and limiting plate work together;

[0030] Figure 7 This is a cross-sectional view of the lifting assembly.

[0031] In the diagram, 10 is the lifting assembly; 11 is the fixed bracket; 12 is the transition bracket; 13 is the sliding bracket; 14 is the hook; 15 is the limiting arc; 16 is the first slide groove; 17 is the second slide groove; 18 is the first roller; 19 is the second roller; 20 is the pulley assembly; 21 is the first pulley; 22 is the second pulley; 23 is the fixing rope; 24 is the lifting rope; 25 is the winding roller; 30 is the electrical control system; 31 is the rechargeable battery; 32 is the worm gear reducer; 33 is the relay; 34 is the lifting switch; 35 is the limit switch; 40 is the guide assembly; 41 is the guide plate; 42 is the guide wheel; 50 is the wheel frame; 51 is the wheel; 52 is the outrigger; 60 is the handle; and 61 is the grip. Detailed Implementation

[0032] The following is in conjunction with the appendix Figure 1 To be continued Figure 7 The principles and features of this utility model are described, and the examples given are only used to explain this utility model and are not intended to limit the scope of this utility model.

[0033] A folding transport trolley includes a lifting assembly 10, a pulley assembly 20, an electronic control system 30, a guide assembly 40, a wheel frame 50, and a handle 60.

[0034] The lifting assembly 10 includes a fixed bracket 11, a transition bracket 12, and a sliding bracket 13 that are slidably connected in sequence. The fixed bracket 11 and the transition bracket 12 are hollow tubular structures with rectangular cross-sections.Figure 6 As shown, the x direction is defined as the long side direction of the cross-sectional rectangle, and the length of the cross-sectional long side of the fixed support 11 is greater than the length of the cross-sectional long side of the transition support 12. The fixed support 11 and the transition support 12 are vertically and parallelly arranged, the first sliding groove 16 is formed on the fixed support 11 along the height direction thereof, and the second sliding groove 17 is formed on the transition support 12 along the height direction thereof. The first roller 18 and the second roller 19 are respectively arranged at the lower end of the transition support 12 and the sliding support 13, and the first roller 18 and the second roller 19 are fixedly connected with the lower end of the transition support 12 and the sliding support 13 through a mounting plate. The first roller 18 is in rolling connection with the inner wall of the fixed support 11, and the transition support 12 realizes relative sliding with the fixed support 11 through the first roller 18; the second roller 19 is in rolling connection with the inner wall of the transition support 12, and the sliding support 13 realizes relative sliding with the transition support 12 through the second roller 19. In order to ensure the stability of movement, the first roller 18 and the second roller 19 are both provided with a plurality of symmetrical rollers. The hook 14 is further arranged at the upper end of the sliding support 13, and the limiting arc 15 is further arranged at the lower end of the sliding support 13. The hook 14 is used for hooking the net cage, and the limiting arc 15 is in abutment with the outer wall of the net cage, so that the net cage is limited and cannot shake on the hook 14. In order to facilitate night transportation, a lighting lamp can be detachably connected to the sliding support 13. The lighting lamp can be a charging lamp or can be powered by a charging battery 31.

[0035] Since the fixed support 11 and the transition support 12 are relatively long and slender, and the net cage filled with fruits is often heavy, the transition support 12 may shake during lifting. Therefore, the trolley of the utility model is provided with a guide assembly 40. The guide assembly 40 includes a guide plate 41 and a guide wheel 42. The guide plate 41 is wrapped around the fixed support 11 and the transition support 12 and extends outward. The guide wheels 42 are symmetrically arranged at the end portions of the guide plate 41, i.e., the two guide wheels 42 are symmetrically arranged on both sides of the transition support 12 and are in rolling connection therewith. In an embodiment, the guide assembly 40 can be provided with several groups to further ensure the stability of movement of the transition support 12.

[0036] The lower end of the fixed support 11 is fixedly connected with a wheel frame 50, the wheel frame 50 is provided with wheels 51 at both end portions thereof, and the wheel frame 50 is provided with supporting legs 52 for supporting the trolley. The fixed support 11 is provided with handles 60 in the middle portion thereof for pushing the trolley. The handles 60 are symmetrically arranged, each handle 60 is provided with a grip 61 at the end portion thereof, and specifically, the fixed support 11 is fixedly provided with a mounting seat in the middle portion thereof, the mounting seat is provided with teeth at both ends thereof, and each handle 60 is provided with teeth at the end thereof away from the grip 61, which are in meshing connection with the teeth of the mounting seat. Through the meshing teeth, the height of the handle 60 can be adjusted to adapt to different use requirements.

[0037] The pulley assembly 20 comprises a first pulley 21 and a second pulley 22 fixedly arranged at the top end of the fixed support 11 and the transition support 12, and further comprises a fixed rope 23 and a lifting rope 24 wound around the first pulley 21 and the second pulley 22 respectively; the fixed support 11, the transition support 12 and the sliding support 13 are slidably connected through the pulley assembly 20. Specifically, the first pulley 21 and the second pulley 22 are arranged on the long side of the fixed support 11 and the transition support 12 which is not provided with a sliding groove. One end of the fixed rope 23 is wound around the winding roller 25, and the other end is fixedly arranged at the lower end of the transition support 12 after passing through the first pulley 21, specifically, the other end can be fixed on the mounting plate of the transition support 12 for mounting the first roller 18. One end of the lifting rope 24 is fixed on the fixed support 11 close to the upper end, and the other end is fixedly connected with the sliding support 13 after passing through the second pulley 22, specifically, the other end can be fixed on the mounting plate of the sliding support 13 for mounting the second roller 19.

[0038] The electric control system 30 comprises a charging battery 31, a worm gear reducer 32, a relay 33, a lifting switch 34 and a limit switch 35 electrically connected. The charging battery 31 is used to supply power to the electric control system 30, the output end of the worm gear reducer 32 is connected with the winding roller 25, the lifting switch 34 is arranged on or near the handle 61 at a relatively comfortable position, so that the fruit grower can touch the lifting switch 34 without releasing the handle 61. The lifting switch is provided with an ascending button and a descending button, and the ascending and descending of the winding roller 25 is realized by pressing different buttons to control the relay 33 and then control the forward and reverse rotation of the worm gear reducer 32, so as to realize the ascending and descending of the transition support 12 and the sliding support 13, and finally realize the ascending and descending of the net cage. The limit switch 35 passes through the mounting hole and extends into the inside of the fixed support 11, and can be in contact with the lower part of the transition support 12, specifically, the limit switch 35 can be in contact with the first roller 18 at the lower end of the transition support 12, and the system is powered off after contact to stop the lifting process. The worker does not need to worry that the transition support 12 will exceed the limit position and be damaged during the lifting process.

[0039] The above only describes the preferred embodiments of the present application, and is not used to limit the present application, and any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A lift and convey cart, characterized in that, The lifting assembly (10), the pulley assembly (20) and the guide assembly (40) are included. The lifting assembly (10) includes a fixed support (11), a transition support (12) and a sliding support (13) which are sequentially connected in sliding mode, the fixed support (11) and the transition support (12) are hollow tubular structures with rectangular cross sections, the long side of the cross section of the fixed support (11) is larger than that of the transition support (12), the first sliding groove (16) and the second sliding groove (17) are respectively arranged on the fixed support (11) and the transition support (12). The guide assembly (40) includes a guide plate (41) and guide wheels (42), the guide plate (41) is arranged around the fixed support (11) and the transition support (12), the guide wheels (42) are symmetrically arranged at the end of the guide plate (41), the two guide wheels (42) are in rolling connection with the transition support (12), and the fixed support (11), the transition support (12) and the sliding support (13) are in sliding connection through the pulley assembly (20).

2. The lift and convey cart of claim 1, wherein, The pulley assembly (20) includes a first pulley (21) and a second pulley (22) which are fixedly arranged at the top of the fixed support (11) and the transition support (12), and further includes a fixed rope (23) and a lifting rope (24) which are respectively wound around the first pulley (21) and the second pulley (22). One end of the fixed rope (23) is wound around a winding roller (25), and the other end is fixedly arranged at the lower end of the transition support (12) after being wound around the first pulley (21), one end of the lifting rope (24) is fixed to the fixed support (11), and the other end is fixedly connected with the sliding support (13) after being wound around the second pulley (22).

3. The lift and convey cart of claim 2, wherein, Further, an electric control system (30) is included, the electric control system (30) includes a charging battery (31), a worm gear reducer (32), a relay (33) and a lifting switch (34) which are electrically connected, and the output end of the worm gear reducer (32) is connected with the winding roller (25).

4. The lift and convey cart of claim 3, wherein, The electric control system (30) further includes a limit switch (35), the fixed support (11) is provided with a mounting hole, the limit switch (35) penetrates through the mounting hole and extends into the inside of the fixed support (11), and can be in contact with the lower part of the transition support (12).

5. The lift and convey cart of claim 4, wherein, The transition support (12) and the sliding support (13) are respectively provided with a first roller (18) and a second roller (19) at the lower ends.

6. The lift and convey cart of claim 1, wherein, The fixed support (11) is fixedly connected with a wheel frame (50) at the lower end, and the wheel frame (50) is provided with wheels (51) at the two ends.

7. The lift cart of claim 3, wherein, A handle (60) for pushing the trolley is arranged in the middle of the fixed support (11), a grip (61) is arranged at the end of the handle (60), and the lifting switch (34) is arranged on the grip (61).

8. The lift and convey cart of claim 6, wherein, The wheel frame (50) is provided with supporting legs (52) for supporting the trolley.

9. The lift and convey cart of claim 5, wherein, The sliding support (13) is further provided with a hook (14) at the upper end and a limit arc (15) at the lower end.

10. The lift and convey cart of claim 9, wherein, The sliding support (13) is further provided with an illuminating lamp.

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