A handling trolley with height adjustment

CN224325110UActive Publication Date: 2026-06-05LUOYANG HONGTU MASCH EQUIP CO LTD

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
LUOYANG HONGTU MASCH EQUIP CO LTD
Filing Date
2025-05-28
Publication Date
2026-06-05

AI Technical Summary

Technical Problem

The existing transport trolleys have a fixed direction of movement, which is not flexible enough. Furthermore, the use of omnidirectional wheels for self-locking is not stable enough, and the lifting and adjustment are inconvenient. They cannot effectively clamp the goods, which leads to unsafe transportation.

Method used

A structure including a push-pull frame, support legs, lifting platform, vehicle frame and bearing seats was designed. Through the combination of hydraulic rods and casters, the extension and retraction of the support legs, the lifting and lowering of the lifting platform and the clamping of the clamping plates are realized, which enhances the stability and flexibility of the trolley.

Benefits of technology

It improves the stability and safety of the trolley, enhances the securing effect of goods, and improves the flexibility and safety of the transportation process.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of carrying trolley, specifically disclose a carrying trolley convenient to adjust height, including push -and -pull frame, support leg, lifting platform, car body frame and bearing seat, the top of car body frame is connected with bearing seat through mounting seat, the mounting end head of inner shaft top end of bearing seat is connected with the end of connecting shaft, the connecting shaft is connected with the bottom of limit board, the top of limit board is equipped with lifting platform, the both ends of the top of lifting platform are centrally equipped with limit ear, the middle part of limit ear is equipped with adjusting lever, the telescopic end of adjusting lever is connected with the clamping plate, the both sides of car body frame are connected with push -and -pull frame through connecting plate, one side of connecting plate is equipped with the support leg of angle adjustable, the bottom corner of car body frame is equipped with universal wheel. The bottom of car body frame is equipped with universal wheel, the both ends of the top of car body frame are equipped with telescopic support leg, and the end of support leg is equipped with support foot pad.
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Description

Technical Field

[0001] This utility model relates to the field of transport trolley technology, specifically a transport trolley with adjustable height. Background Technology

[0002] The transport trolley is used for the handling and control of goods. There are two types of trolleys: through-type and pin-beam type. The trolley mainly consists of a gantry frame and a formwork. The gantry frame is primarily load-bearing, and the formwork is designed according to the shape of the tunnel. It has the advantages of automatic walking and hydraulic automatic positioning and demolding (allowing for upward, downward, left, and right movement).

[0003] Most transport trolleys currently on the market use rails. This type of trolley has a fixed direction of movement and lacks flexibility. In addition, ordinary transport trolleys usually use the self-locking function of casters to fix the position after transport. Using this method alone is not stable enough for the large-scale cargo transport process, and it is not safe enough. The lifting and adjustment of cargo during the transport process is not convenient or stable enough, and it cannot assist in clamping and fixing the cargo. Utility Model Content

[0004] The purpose of this utility model is to provide a height-adjustable transport trolley to solve the problems mentioned in the background art, which mostly adopts a track-type transport trolley. This type of trolley has a fixed direction of movement and lacks flexibility. In addition, ordinary transport trolleys generally use the self-locking function of universal wheels to fix the position after transport. Using this method alone is not stable enough for the transport of larger goods, is not safe enough, and is not convenient and stable for the lifting and lowering adjustment of goods during the transport process, and cannot assist in clamping and fixing the goods.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a height-adjustable transport trolley, comprising a push-pull frame, support legs, a lifting platform, a trolley frame, and a bearing seat. The top of the trolley frame is connected to the bearing seat via a mounting base. The mounting end of the inner shaft of the bearing seat is connected to the end of a connecting shaft. The connecting shaft is connected to the bottom of a limiting plate. The top of the limiting plate is provided with a lifting platform. Limiting ears are provided at the center of both ends of the top of the lifting platform. An adjusting rod is provided in the middle of the limiting ears. The telescopic end of the adjusting rod is connected to a clamping plate. Both sides of the trolley frame are connected to the push-pull frame via connecting plates. One side of the connecting plate is provided with an angle-adjustable support leg. Universal wheels are provided at the bottom corners of the trolley frame.

[0006] Preferably, the support leg includes an arm sleeve, a support foot, a handle, and a second hydraulic rod;

[0007] The support foot is located at the end of the support leg, the handle is located on one side of the support leg, the support leg is located inside the arm sleeve, the end of the arm sleeve is hinged to the lower ear bracket located in the middle of one side of the connecting plate, the cylinder end of the second hydraulic rod is hinged to the upper ear bracket on one side of the connecting plate, and the telescopic end of the second hydraulic rod is hinged to the top of the arm sleeve.

[0008] Using the above technical solution, the support legs can be stably supported and placed by the support feet, the support legs can be easily manually extended and retracted by the pull handle, and the arm sleeve can be adjusted by the second hydraulic rod.

[0009] Preferably, the top of the push-pull frame is provided with a handle, the front of the middle part of the handle is provided with a control panel, and the top center of the handle is provided with an electric control button. The output ends of the control panel and the electric control button are both electrically connected to the input end of the first hydraulic rod.

[0010] Using the above technical solution, the first hydraulic rod is intelligently controlled through the control panel and electronic control buttons.

[0011] Preferably, a first hydraulic rod is provided at the center of the bearing housing via a connecting seat, and the telescopic end of the first hydraulic rod is connected to the center of the bottom end of the lifting platform.

[0012] Using the above technical solution, the first hydraulic rod is used to adjust the lifting platform.

[0013] Preferably, the top two sides of the lifting platform are provided with guide grooves, and the bottom of the clamping plate is slidably guided to the guide grooves through a protrusion.

[0014] By adopting the above technical solution, the movement of the clamping plate can be limited by the guide groove, which can improve the stability of its clamping adjustment.

[0015] Preferably, the limiting ear has a threaded hole in the middle, and the adjusting rod is connected to the threaded hole screw drive. The end of the adjusting rod has an adjusting handle, and the adjusting rod is rotatably connected to the back side of the clamping plate.

[0016] The above technical solution enables the adjusting rod to control the movement of the clamping plate.

[0017] Compared with the prior art, the beneficial effects of this utility model are: the height-adjustable transport trolley:

[0018] 1. The bottom of the car frame is equipped with casters, and both ends of the top of the car frame are equipped with retractable support legs. The ends of the support legs are equipped with support pads, and the support legs are controlled by hydraulic rods for easy unfolding and retraction. The support legs can strengthen the fixation of the car frame, assist the casters, improve the fixation firmness, and increase the safety of the trolley during loading and unloading.

[0019] 2. The top center of the car frame is connected to the bearing seat via a mounting base. The top of the bearing seat is connected to the limiting plate via a connecting shaft. A hydraulic rod is installed inside the bearing seat, and the telescopic end of the hydraulic rod is connected to the lifting platform, which allows the lifting platform to be adjusted in height, greatly improving the functionality of the trolley. It can not only transport goods, but also adjust their height.

[0020] 3. Limiting ears are provided on both sides of the lifting platform. An adjusting rod is provided in the middle of the limiting ears. The two ends of the adjusting rod are respectively provided with adjusting handles and clamps. The clamps can be used to help clamp the placed goods, which can prevent them from falling during transportation and lifting, thus improving stability. Attached Figure Description

[0021] Figure 1 This is a schematic diagram of the structure of a height-adjustable transport platform according to the present invention;

[0022] Figure 2 This is the front view of the lifting platform of this utility model;

[0023] Figure 3 This is a top view of the lifting platform of this utility model;

[0024] Figure 4 This is the front view of the push-pull bracket of this utility model;

[0025] Figure 5 This is a schematic diagram of the structure of the support leg of this utility model;

[0026] Figure 6 This is a top view of the bearing housing of this utility model;

[0027] Figure 7 This is a structural schematic diagram of part A of this utility model.

[0028] In the diagram: 1. Push-pull frame; 2. Support leg; 3. Lifting platform; 4. Casters; 5. Mounting seat; 6. Body frame; 7. Connecting plate; 8. Upper ear bracket; 9. Lower ear bracket; 10. Limiting ear; 11. Adjusting handle; 12. Adjusting rod; 13. Connecting shaft; 14. Bearing seat; 15. Clamping plate; 16. Limiting plate; 17. First hydraulic rod; 18. Connecting seat; 19. Mounting end; 20. Guide groove; 21. Handle sleeve; 22. Second hydraulic rod; 23. Arm sleeve; 24. Support foot; 25. Pull handle; 26. Electric control button; 27. Control panel. Detailed Implementation

[0029] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0030] Please see Figure 1-7 This utility model provides a technical solution: a height-adjustable transport trolley, including a push-pull frame 1, support legs 2, a lifting platform 3, a frame 6, and a bearing seat 14. The top of the frame 6 is connected to the bearing seat 14 via a mounting base 5. The mounting end 19 at the top of the inner shaft of the bearing seat 14 is connected to the end of a connecting shaft 13. The lifting platform 3 can be rotated via the connecting shaft 13. The connecting shaft 13 is connected to the bottom of a limiting plate 16. The top of the limiting plate 16 is equipped with the lifting platform 3. Goods can be transported via the lifting platform 3, and the lifting and lowering of the goods can be controlled. Limiting ears 10 are provided at the center of both ends of the frame 6. The limiting ears 10 are used to limit the installation of the adjusting rod 12. The adjusting rod 12 can be used to control the movement of the clamping plate 15. The adjusting rod 12 is located in the middle of the limiting ears 10. The telescopic end of the adjusting rod 12 is connected to the clamping plate 15. Both sides of the frame 6 are connected to the push-pull frame 1 through the connecting plate 7. The push-pull frame 1 facilitates the push-pull movement control of the frame 6. One side of the connecting plate 7 is provided with an angle-adjustable support leg 2. The support leg 2 is used to strengthen and stabilize the frame 6. Universal wheels 4 are provided at the bottom corners of the frame 6.

[0031] The support leg 2 includes an arm sleeve 23, a support foot 24, a handle 25, and a second hydraulic rod 22;

[0032] Support foot 24 is located at the end of support leg 2, handle 25 is located on one side of support leg 2, support leg 2 is located inside arm sleeve 23, arm sleeve 23 facilitates telescopic installation of support leg 2, end of arm sleeve 23 is hinged to lower ear 9 located in the middle of one side of connecting plate 7, cylinder end of second hydraulic rod 22 is hinged to upper ear 8 on one side of connecting plate 7, telescopic end of second hydraulic rod 22 is hinged to top of arm sleeve 23, second hydraulic rod 22 is used to control the expansion and contraction of support leg 2.

[0033] The top of the push-pull frame 1 is provided with a handle 21, and the front of the middle part of the handle 21 is provided with a control panel 27. The control panel 27 and the electric control button 26 are used to intelligently adjust and control the vehicle body, so that the first hydraulic rod 17 can be automatically raised and lowered. The top middle part of the handle 21 is provided with an electric control button 26. The output ends of the control panel 27 and the electric control button 26 are electrically connected to the input end of the first hydraulic rod 17.

[0034] A first hydraulic rod 17 is provided in the center of the bearing housing 14 via a connecting seat 18. The telescopic end of the first hydraulic rod 17 is connected to the middle of the bottom end of the lifting platform 3. Guide grooves 20 are provided on both sides of the top of the lifting platform 3. The movement of the clamping plate 15 can be limited by the guide grooves 20. The bottom of the clamping plate 15 is slidably guided to the guide groove 20 via a protrusion. A threaded hole is provided in the middle of the limiting ear 10, and the adjusting rod 12 is connected to the threaded hole screw drive. An adjusting handle 11 is provided at the end of the adjusting rod 12. The adjusting rod 12 can be manually rotated by the adjusting handle 11. The adjusting rod 12 is rotatably connected to the back side of the clamping plate 15.

[0035] Working principle: The goods are placed on the lifting platform 3. The adjusting rod 12 is manually rotated by the adjusting handle 11, so that the adjusting rod 12 is driven by the threaded hole screw in the middle of the limiting ear 10. The adjusting rod 12 controls the clamping plate 15 to move laterally on the lifting platform 3, and the goods are clamped and fixed by the clamping plate 15. The height of the lifting platform 3 is adjusted by the first hydraulic rod 17, and the height of the goods on the lifting platform 3 is adjusted by the lifting platform 3. The connecting shaft 13 can be rotatably connected to the bearing seat 14. The push-pull frame 1 can be used to push and pull the vehicle frame 6. The second hydraulic rod 22 can be used to extend and retract the arm sleeve 23. The pull handle 25 can be used to extend and retract the support leg 2. The support foot 24 is used to contact the ground for anti-slip support, which can enhance the stability of the vehicle frame 6.

[0036] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A height-adjustable transport trolley, comprising a push-pull frame (1), support legs (2), a lifting platform (3), a frame (6), and a bearing seat (14), characterized in that: The top of the vehicle frame (6) is connected to the bearing seat (14) via the mounting seat (5). The mounting end (19) at the top of the inner shaft of the bearing seat (14) is connected to the end of the connecting shaft (13). The connecting shaft (13) is connected to the bottom of the limiting plate (16). The top of the limiting plate (16) is provided with a lifting platform (3). The top two ends of the lifting platform (3) are provided with limiting ears (10). The middle of the limiting ears (10) is provided with an adjusting rod (12). The telescopic end of the adjusting rod (12) is connected to the clamp plate (15). Both sides of the vehicle frame (6) are connected to the push-pull frame (1) via the connecting plate (7). One side of the connecting plate (7) is provided with an angle-adjustable support leg (2). The bottom corner of the vehicle frame (6) is provided with casters (4).

2. The height-adjustable transport trolley according to claim 1, characterized in that: The support leg (2) includes an arm sleeve (23), a support foot (24), a handle (25), and a second hydraulic rod (22); The support foot (24) is located at the end of the support leg (2), the handle (25) is located on one side of the support leg (2), the support leg (2) is located inside the arm sleeve (23), the end of the arm sleeve (23) is hinged to the lower ear bracket (9) located in the middle of one side of the connecting plate (7), the cylinder end of the second hydraulic rod (22) is hinged to the upper ear bracket (8) on one side of the connecting plate (7), and the telescopic end of the second hydraulic rod (22) is hinged to the top of the arm sleeve (23).

3. The height-adjustable transport trolley according to claim 1, characterized in that: The top of the push-pull frame (1) is provided with a handle glove (21), the front of the middle part of the handle glove (21) is provided with a control panel (27), the top of the handle glove (21) is provided with an electric control button (26), and the output ends of the control panel (27) and the electric control button (26) are electrically connected to the input end of the first hydraulic rod (17).

4. The height-adjustable transport trolley according to claim 1, characterized in that: The bearing housing (14) is provided with a first hydraulic rod (17) through a connecting seat (18) at the center of the interior. The telescopic end of the first hydraulic rod (17) is connected to the middle of the bottom end of the lifting platform (3).

5. A height-adjustable transport trolley according to claim 1, characterized in that: The top two sides of the lifting platform (3) are provided with guide grooves (20), and the bottom of the clamping plate (15) is slidably guided to the guide grooves (20) through a convex groove.

6. A height-adjustable transport trolley according to claim 1, characterized in that: The limiting ear (10) has a threaded hole in the middle, and the adjusting rod (12) is connected to the threaded hole screw drive. The adjusting rod (12) has an adjusting handle (11) at the end, and the adjusting rod (12) is rotatably connected to the back side of the clamping plate (15).