Hanging type load-carrying plate trailer
By designing a trailer-mounted heavy-duty flatbed truck, utilizing the flexible connection between the tow bar and the steering head, and combining it with a high-strength load-bearing flatbed, the problem of inconvenient passage during the transportation of heavy equipment was solved, achieving efficient and safe equipment transportation.
Patent Information
- Application Number
- CN202520246104.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-17
- Publication Date
- 2026-01-23
- Estimated Expiration
- 2035-02-17
AI Technical Summary
Existing trailers cannot withstand vertical forces, making it impossible to flexibly transport heavy equipment, especially in industrial production where equipment space is limited, thus hindering efficient and safe transport.
A trailer-mounted heavy-duty flatbed truck was designed, including a drawbar, a steering head, and a load-bearing flatbed. The axial and angular rotation of the drawbar is achieved through the connection between the drawbar and the steering head. Combined with the high-strength load-bearing flatbed and tire structure, the stable transportation of equipment is ensured.
It enables flexible and reliable transportation of heavy equipment, improves the efficiency and safety of industrial production and maintenance processes, and solves the problem of inconvenient transportation of equipment.
Smart Images

Figure CN223821833U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to a transfer equipment technical field, especially a kind of hanging type load plate car. BACKGROUND
[0002] In industrial production area, heavy articles need to be transferred, such as coal-fired power generation enterprise production, routine equipment maintenance, especially during equipment overhaul, a large number of heavy equipment need to be transferred, such as coal mill motor weighing about 10t, induced draft fan motor weighing 28t, etc. These equipment have the characteristics of large weight and large volume, and the width of the channel between their location and the main road is limited, which does not meet the truck traffic conditions. The volume of the equipment is too large, and the lifting capacity or lifting center distance of the forklift is not enough. The platform and space where the equipment is located are small, and the forklift cannot realize the transfer of such equipment.
[0003] The trailer is a kind of self-powered, independent bearing, which needs to be towed by car for normal use. It can be used for carrying personnel or goods and other special purposes. But its drawbar is connected to the chassis by vertical movement, so it cannot bear any vertical force. Therefore, the existing trailer cannot realize free rotation of the drawbar and free steering of the car head during load towing.
[0004] To solve the above-mentioned heavy equipment transfer problem, we design and propose a kind of hanging type load plate car to solve the practical difficulties of equipment transfer during maintenance, so as to realize more efficient completion of maintenance work. CONTENT OF THE UTILITY MODEL
[0005] In view of the above problems, the utility model provides a kind of hanging type load plate car, which can flexibly and reliably complete the transfer of heavy equipment, improve the efficiency and safety of industrial production or maintenance process.
[0006] To achieve the above purpose, the utility model adopts the technical scheme of:
[0007] A kind of hanging type load plate car, including drawbar, steering head and bearing plate, the drawbar is connected with bearing plate by steering head;The drawbar includes front hanging arm and rear hanging arm, the rear end of the front hanging arm is connected with the rear hanging arm by the drawbar through the transversely arranged drawbar through screw;The steering head includes head base, the front end of the head base is head connection end, the rear end of the rear hanging arm is drawbar connection end, the drawbar connection end is connected with the head connection end by the transversely arranged head through screw;The steering head top is provided with cylinder, the bearing plate front end bottom is provided with circular groove, the cylinder is connected with the circular groove by steering bearing;Load reinforcement is arranged on the bearing plate.
[0008] As a further improvement of the above-mentioned scheme, the bottom of the bearing plate is provided with spring suspension parts, middle wheel shafts and rear wheel shafts, the spring suspension parts include front fork arms and rear fork arms fixedly arranged below the bearing plate, and the steel plate spring groups are fixedly connected with the front fork arms and the rear fork arms through U-shaped bolts.
[0009] As a further improvement of the above-mentioned scheme, the U-shaped bolts are uniformly and spacedly arranged in multiple groups, and the U-shaped bolts arranged in the middle of the steel plate spring groups are fixedly connected with the middle wheel shafts; the two sides of the middle wheel shafts are provided with middle wheel shaft tires.
[0010] As a further improvement of the above-mentioned scheme, the upper parts of the front fork arms and the rear fork arms are fixedly connected with the bottom of the bearing plate, the lower parts of the front fork arms and the rear fork arms are square openings, the steel plate spring groups are stacked by multiple steel plates with equal width and different length to form a shape similar to an inverted triangle, and the longest steel plate in the steel plate spring groups is embedded in the square openings of the front fork arms and the rear fork arms.
[0011] As a further improvement of the above-mentioned scheme, the bottom of the bearing plate is provided with rear wheel structure parts, the rear wheel structure parts are connected with rear wheel shafts at the lower ends, and the two sides of the rear wheel shafts are provided with rear wheel shaft tires; the bottom end positions of the rear wheel shaft tires are higher than the bottom end positions of the middle wheel shaft tires.
[0012] As a further improvement of the above-mentioned scheme, the rear end of the front hanging arm is provided with a hanging arm connecting part, the hanging arm connecting part is connected with the rear hanging arm through a pulling rod pair of penetrating screws; the front end of the hanging arm connecting part is provided with a round hole, the front hanging arm further includes a lead screw and a sleeve, the rear end of the lead screw is rotatably arranged in the round hole, and the front end of the lead screw is screwed with the sleeve; the front end of the sleeve is provided with a pulling ring.
[0013] As a further improvement of the above-mentioned scheme, the load-reinforcing parts are multiple groups of I-shaped steel arranged on the bottom surface of the bearing plate.
[0014] As a further improvement of the above-mentioned scheme, the cylinder and the steering bearing are in transition fit, and the steering bearing and the circular groove are in transition fit.
[0015] As a further improvement of the above-mentioned scheme, the middle part of the rear hanging arm is provided with a hanging ring, and the front end of the bearing plate is provided with a hook matched with the hanging ring.
[0016] As a further improvement of the above-mentioned scheme, multiple groups of fixing rings for fixing goods plates are uniformly and spacedly arranged on the two sides of the bearing plate.
[0017] Compared with the prior art, the beneficial effects of this utility model are as follows: This device is divided into three sections: front, middle, and rear. The front section is the traction rod, the middle section is the steering head, and the rear section is the load-bearing platform. The traction rod can achieve free rotation in both axial and angular directions, the steering head can achieve large-angle steering, and the load-bearing platform is constructed of high-strength steel plates combined with solid heavy-duty tires, which can effectively solve the problem of inconvenient passage faced by large cargo vehicle transfer equipment in maintenance work. Attached Figure Description
[0018] Fig. 1 This is a schematic diagram of the structure of this utility model.
[0019] Fig. 2 This is a top view of the structure of this utility model.
[0020] In the diagram: 1. Tow bar; 2. Steering head; 3. Cargo platform; 7. Headboard connection end; 11. Front cantilever arm; 12. Rear cantilever arm; 13. Cantilever arm connector; 131. Round hole; 14. Tow bar through-bolt; 15. Lead screw; 16. Sleeve; 17. Tow ring; 18. Tow bar connection end; 19. Headboard through-bolt; 110. Hanging ring; 21. Cylindrical rod; 22. Steering bearing; 23. 24. Front axle; 25. Front tire; 31. Circular groove; 32. Hook; 33. Load-bearing reinforcement; 34. Front fork arm; 35. Rear fork arm; 36. Leaf spring assembly; 36. U-bolt; 37. Middle axle; 37. Middle axle tire; 38. Rear wheel structure; 39. Rear axle; 39. Rear axle tire; 310. Spring suspension components; 311. Retaining ring. Detailed Implementation
[0021] To enable those skilled in the art to better understand the technical solution, the present invention will be described in detail below with reference to the embodiments. The description in this part is only exemplary and explanatory, and should not be used to limit the scope of protection of the present invention in any way.
[0022] like Figs. 1-2 As shown, the specific solution of this embodiment is as follows: A trailer-mounted heavy-duty flatbed truck includes a tow bar 1, a steering head 2, and a load-bearing flatbed 3. The tow bar 1 is connected to the load-bearing flatbed 3 through the steering head 2. The tow bar 1 includes a front hanging arm 11 and a rear hanging arm 12. The rear end of the front hanging arm 11 is rotatably connected to the rear hanging arm 12 through a laterally arranged tow bar through screw 14. The steering head 2 includes a head base 23. The front end of the head base 23 is a head connection end 7, and the rear end of the rear hanging arm 12 is a tow bar connection end 18. The tow bar connection end 18 is rotatably connected to the head connection end 7 through a laterally arranged head through screw 19. A cylinder 21 is provided on the top of the steering head 2, and a circular groove 31 is provided at the bottom of the front end of the load-bearing flatbed 3. The cylinder 21 is rotatably connected to the circular groove 31 through a steering bearing 22. A load-bearing reinforcement 33 is provided on the load-bearing flatbed 3.
[0023] As shown in Figs. 1-2 the preferred mode of the above embodiment, the bottom of the load-bearing plate 3 is provided with spring suspension members 310, a middle wheel shaft 37 and a rear wheel shaft 39, the spring suspension members 310 including a steel plate spring group 36 and front and rear fork arms 34 and 35 fixedly arranged below the load-bearing plate 3, the steel plate spring group 36 being fixedly connected with the front and rear fork arms 34 and 35 through U-shaped bolts 361.
[0024] As shown in Figs. 1-2 the preferred mode of the above embodiment, the U-shaped bolts 361 are uniformly and spacedly arranged in multiple groups, and the U-shaped bolts 361 arranged at the middle part of the steel plate spring group 36 are fixedly connected with the middle wheel shaft 37; the middle wheel shaft 37 is provided with middle wheel shaft tires 371 on both sides.
[0025] As shown in Figs. 1-2 the preferred mode of the above embodiment, the upper parts of the front and rear fork arms 34 and 35 are fixedly connected with the bottom of the load-bearing plate 3, and the lower parts of the front and rear fork arms 34 and 35 are square openings; the steel plate spring group 36 is stacked by multiple steel plates with equal width and different length into a shape similar to an inverted triangle, and the longest steel plate in the steel plate spring group 36 is embedded in the square openings of the front and rear fork arms 34 and 35.
[0026] As shown in Figs. 1-2 the preferred mode of the above embodiment, the bottom of the load-bearing plate 3 is provided with rear wheel structure members 38 on both sides, the rear wheel structure members 38 are connected with rear wheel shafts 39 at the lower ends, and the rear wheel shafts 39 are provided with rear wheel shaft tires 391 on both sides; the bottom end position of the rear wheel tires 391 is higher than that of the middle wheel shaft tires 371.
[0027] As shown in Figs. 1-2 the preferred mode of the above embodiment, the rear end of the front hanging arm 11 is provided with a hanging arm connecting member 13, the hanging arm connecting member 13 is connected with the rear hanging arm 12 through the pull rod pair penetrating screw 14; the front end of the hanging arm connecting member 13 is provided with a round hole 131, and the front hanging arm 11 further includes a lead screw 15 and a sleeve 16, the rear end of the lead screw 15 is rotatably arranged in the round hole 131, and the front end of the lead screw 15 is tightly matched with the sleeve 16; the front end of the sleeve 16 is provided with a pulling ring 17.
[0028] As shown in Figs. 1-2 the preferred mode of the above embodiment, the load-reinforcing member 33 is a group of I-shaped steel arranged on the bottom surface of the load-bearing plate 3.
[0029] As shown in Figs. 1-2 the preferred mode of the above embodiment, the transition fit is between the cylindrical body 21 and the steering bearing 22, and the transition fit is between the steering bearing 22 and the circular groove 31.
[0030] As shown in Figs. 1-2As shown, in a preferred embodiment of the above, a hanging ring 110 is provided in the middle of the rear hanging arm 12, and a hook 32 that cooperates with the hanging ring 110 is provided at the front end of the load-bearing plate 3.
[0031] like Figs. 1-2 As shown, in a preferred embodiment, multiple sets of fixing rings 311 for securing cargo are evenly spaced on both sides of the carrying platform 3.
[0032] The specific working principle of this utility model is as follows:
[0033] The towing ring 17 of the load-bearing flatbed truck is attached to the tractor unit via a pin. The equipment to be transferred is placed on the load-bearing flatbed 3. The bending of the leaf spring assembly 36 decreases under stress, and the rear axle 39 and rear axle tire 391 move downward relative to the middle axle 37 and middle axle tire 371, jointly bearing the load of the transferred equipment. The equipment is secured to the fixing rings 311 on both sides of the load-bearing flatbed truck with steel wire ropes or other transfer equipment to ensure the stability and safety of the equipment on the load-bearing flatbed 3. The load-bearing flatbed truck can be pulled by starting the tractor unit. The structural design of the front hanging arm 11, rear hanging arm 12, and steering head 2 of the load-bearing flatbed truck allows for flexible movement of the load-bearing flatbed truck along with the tractor unit, achieving efficient and safe equipment transfer. When the load-bearing flatbed truck is not in use, the hook 32 is used to pull up the hanging ring 110, thereby lifting the towing arm 11 and the rear hanging arm 12 to reduce the space occupied by the flatbed truck.
[0034] It should be noted that, in this document, the terms "including," "comprising," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a process, method, article, or apparatus. Specific examples have been used in this document to illustrate the principles and implementation methods of the present invention. These examples are merely for the purpose of helping to understand the method and core ideas of the present invention. The above descriptions are only preferred embodiments of the present invention. It should be pointed out that, due to the limitations of written expression and the objective existence of infinite specific structures, those skilled in the art can make several improvements, modifications, or changes without departing from the principles of the present invention, and can also combine the above technical features in an appropriate manner. These improvements, modifications, changes, or combinations, or the direct application of the concept and technical solution of the present invention to other situations without modification, should all be considered within the scope of protection of the present invention.
Claims
1. A trailer-mounted heavy-duty flatbed truck, characterized in that, The vehicle includes a drawbar (1), a steering head (2), and a load-bearing platform (3). The drawbar (1) is connected to the load-bearing platform (3) via the steering head (2). The drawbar (1) includes a front hanger (11) and a rear hanger (12). The rear end of the front hanger (11) is rotatably connected to the rear hanger (12) via a transversely arranged drawbar through-bolt (14). The steering head (2) includes a head base (23), and the front end of the head base (23) is a head connection end (7). The rear end of the rear hanging arm (12) is a tow bar connection end (18), which is rotatably connected to the front end connection end (7) through a horizontally arranged front end through screw (19); the top of the steering front end (2) is provided with a cylinder (21), and the bottom of the front end of the load-bearing plate (3) is provided with a circular groove (31), which is rotatably connected to the circular groove (31) through a steering bearing (22); the load-bearing plate (3) is provided with a load-bearing reinforcement (33).
2. The trailer-mounted heavy-duty flatbed truck according to claim 1, characterized in that, The bottom of the load-bearing vehicle plate (3) is provided with a spring suspension component (310), a middle wheel axle (37) and a rear wheel axle (39). The spring suspension component (310) includes a leaf spring assembly (36) and a front fork arm (34) and a rear fork arm (35) fixedly installed below the load-bearing vehicle plate (3). The leaf spring assembly (36) is fixedly connected to the front fork arm (34) and the rear fork arm (35) by U-bolts (361).
3. A trailer-mounted heavy-duty flatbed truck according to claim 2, characterized in that, The U-bolts (361) are evenly spaced in multiple sets, and the U-bolts (361) located in the middle of the leaf spring assembly (36) are fixedly connected to the central wheel axle (37); The central axle (37) is provided with central axle tires (371) on both sides.
4. A trailer-mounted heavy-duty flatbed truck according to claim 2, characterized in that, The upper parts of the front fork (34) and the rear fork (35) are fixedly connected to the bottom of the load-bearing plate (3). The lower parts of the front fork (34) and the rear fork (35) are square openings. The leaf spring assembly (36) is composed of multiple steel plates of equal width but different lengths stacked into an inverted triangle shape. The longest steel plate in the leaf spring assembly (36) is embedded in the square openings of the front fork (34) and the rear fork (35).
5. A trailer-mounted heavy-duty flatbed truck according to claim 4, characterized in that, The bottom sides of the load-bearing plate (3) are provided with rear wheel structure components (38), the lower end of the rear wheel structure component (38) is connected to the rear wheel axle (39), and the rear wheel axle tires (391) are provided on both sides of the rear wheel axle (391); the bottom position of the rear wheel axle tires (391) is higher than the bottom position of the middle wheel axle tires (371).
6. A trailer-mounted heavy-duty flatbed truck according to claim 1, characterized in that, The front hanging arm (11) is provided with a hanging arm connector (13) at its rear end. The hanging arm connector (13) is connected to the rear hanging arm (12) through a traction rod and a through screw (14). The front end of the hanging arm connector (13) is provided with a round hole (131). The front hanging arm (11) also includes a lead screw (15) and a sleeve (16). The rear end of the lead screw (15) is rotatably disposed in the round hole (131). The front end of the lead screw (15) is engaged with the sleeve (16) and tightened. The front end of the sleeve (16) is provided with a traction ring (17).
7. A trailer-mounted heavy-duty flatbed truck according to claim 1, characterized in that, The load-bearing reinforcement (33) consists of multiple sets of I-beams installed on the bottom surface of the load-bearing vehicle plate (3).
8. A trailer-mounted heavy-duty flatbed truck according to claim 1, characterized in that, The cylinder (21) and the steering bearing (22) are in a transition fit, and the steering bearing (22) and the circular groove (31) are in a transition fit.
9. A trailer-mounted heavy-duty flatbed truck according to claim 1, characterized in that, The rear hanging arm (12) is provided with a hanging ring (110) in the middle, and the front end of the bearing plate (3) is provided with a hook (32) that cooperates with the hanging ring (110).
10. A trailer-mounted heavy-duty flatbed truck according to claim 1, characterized in that, Multiple sets of fixing rings (311) for securing cargo are evenly spaced on both sides of the load-bearing plate (3).