A new type of high rail dump truck

Through the innovative design of the lifting and locking components, the problems of multi-directional unloading and inconvenient guardrail operation of dump trucks have been solved, achieving flexible unloading and efficient loading.

CN224361044UActive Publication Date: 2026-06-16HUBEI DAYUN AUTOMOBILE

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
HUBEI DAYUN AUTOMOBILE
Filing Date
2025-05-20
Publication Date
2026-06-16

AI Technical Summary

Technical Problem

Existing dump trucks can only unload from the rear, which is easily restricted by the space and the guardrails are difficult to operate, affecting unloading efficiency.

Method used

The design employs a combination of lifting and locking components, utilizing a ball joint structure to achieve multi-directional tilting of the carriage, and combining an electrically controlled locking component to enable remote opening and fixing of the guardrail.

Benefits of technology

It enables dump trucks to unload in multiple directions, expands their applicability, and improves unloading efficiency and loading convenience through remote control of guardrail operation.

✦ Generated by Eureka AI based on patent content.

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  • Figure CN224361044U_ABST
    Figure CN224361044U_ABST
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Abstract

The utility model relates to a novel high rail self -discharging car, including including car body and setting at the back of car body's carriage, the top of car body is equipped with jacking assembly, and the top of jacking assembly is movably hinged with the bottom of carriage, four corners of the top surface of carriage still respectively set up vertical column, and the end face of vertical column still is equipped with locking assembly, and the rail is detachable fixed connection with vertical column through locking assembly, the utility model is improved based on the existing self -discharging car, utilizes the cooperation between ball hinge structure and jacking cylinder, makes it can unload goods to the back, and can unload goods to the both sides of car, makes it not be restricted by the site, improves its application range, locking assembly can fix the rail with vertical column, and can cooperate with the structure and open remotely in the unloading process, therefore need not artificially supplementary opening rail, and use more convenient.
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Description

Technical Field

[0001] This utility model relates to the field of truck technology, specifically to a new type of high-sided dump truck. Background Technology

[0002] Dump trucks are freight vehicles whose cargo boxes can automatically tilt for easy unloading. The existing dump truck structure mainly includes a chassis, a cargo box, and a tilting mechanism. The rear of the cargo box is hinged to the chassis, and the tilting mechanism allows the cargo box to tilt. The tilting mechanism typically includes a hydraulic cylinder; when the cylinder extends, it moves the front of the cargo box upwards, thus tilting the cargo box.

[0003] However, in the above structure, the vehicle body can only tilt backwards. Especially when there are certain restrictions on the site, such as when the driving lane is narrow and the cargo stacking area is located on both sides of the driving lane, the vehicle body cannot turn around, thus making it impossible to unload quickly. In addition, most existing vehicles use guardrails to protect the cargo, but during the unloading process, the guardrails need to be opened manually. The buckle structure of the guardrail is cumbersome to operate and is not conducive to the rapid loading and unloading of the fast dump truck. Utility Model Content

[0004] Based on the above description, this utility model provides a new type of high-sided dump truck to solve the shortcomings of existing dump trucks, which can only unload goods from the rear, are easily restricted by site limitations and cannot be used, and require manual opening of the guardrails, which is troublesome and not conducive to the rapid unloading of dump trucks.

[0005] This utility model is achieved through the following technical solution:

[0006] A novel high-sided dump truck includes a vehicle body and a cargo box located at the rear of the vehicle body. The vehicle body has a lifting assembly on its top, the top of which is hinged to the bottom of the cargo box. Each of the four corners of the cargo box's top surface has a vertically installed column. A guardrail is installed between two adjacent columns, and a locking assembly is provided on the end face of each column. The guardrail is detachably and fixedly connected to the column via the locking assembly.

[0007] Based on the above technical solution, the present invention can be further improved as follows.

[0008] Furthermore, the lifting assembly includes a mounting groove disposed on the top surface of the rear of the vehicle body, a hydraulic cylinder is provided in the mounting groove, the top end of the hydraulic cylinder is movably hinged to the bottom surface of the front end of the vehicle body, and the bottom end of the hydraulic cylinder is movably hinged to the bottom of the mounting groove, and the top surface of the rear end of the vehicle body is also movably hinged to the bottom surface of the rear half of the vehicle body.

[0009] Furthermore, the guardrail is configured as a vertical corrugated, horizontal corrugated, or engineered board grid structure, and the locking component is configured as a guardrail latch and arranged on the surface of the column away from the vehicle body. The bottom end of the guardrail located on one side of the locking component is movably connected to the carriage through a connecting shaft and can be flipped outward.

[0010] Furthermore, the lifting assembly is provided in four sets and is arranged at the four corners of the bottom of the carriage. Each set of the lifting assembly includes a lifting cylinder and two mounting seats. The bottom surfaces of the two mounting seats are fixedly connected to the bottom surface of the carriage and the top surface of the vehicle body, respectively. The two ends of the lifting cylinder are movably hinged to the two mounting seats, respectively. A positioning cylinder is also provided at the center of the top surface at the rear of the vehicle body. The top end of the positioning cylinder is movably hinged to the center of the bottom surface of the carriage, and the bottom end of the positioning cylinder is fixedly connected to the top surface of the vehicle body.

[0011] Furthermore, the mounting base is a spherical hinged base, and both ends of the lifting cylinder are fixedly mounted with hinged balls, which are movably engaged with the interior of the mounting base.

[0012] Furthermore, a limit block is provided on the top surface of the rear of the vehicle body, and a positioning groove is provided on the bottom surface of the carriage. When the lifting cylinder retracts to its minimum stroke, the limit block is inserted into the positioning groove.

[0013] Furthermore, the locking assembly includes a rectangular groove on the surface of the column, a through hole on the inner wall of the rectangular groove, an electric telescopic rod vertically arranged inside the through hole, a spring rod at the bottom end of the electric telescopic rod, and the bottom end of the spring rod extending downward into the rectangular groove.

[0014] Furthermore, the bottom of the column extends outward to form a connecting part, and a rotating shaft is horizontally arranged between two adjacent connecting parts. The two ends of the rotating shaft are movably connected to the connecting part through bearing seats. The bottom of the guardrail is also provided with a horizontally penetrating mounting hole and is movably hinged to the rotating shaft.

[0015] Furthermore, the top sidewalls at both ends of the guardrail are provided with protrusions, the protrusions are provided with positioning holes, and the surface of the protrusions is also provided with guide grooves that communicate with the positioning holes. The bottom of the spring rod slides into the positioning hole through the guide grooves.

[0016] Furthermore, the bottom surface of the rectangular groove is provided with an elastic element, which is a return spring, and the top end of the elastic element is in contact with the end face of the protrusion.

[0017] Compared with the prior art, the technical solution of this application has the following beneficial technical effects:

[0018] 1. This application improves upon existing dump trucks by utilizing the cooperation between the ball joint structure and the lifting cylinder, enabling it to unload cargo both rearward and to the sides of the truck, thus freeing it from site limitations and expanding its applicability.

[0019] 2. This application adopts a combination of elastic buckle and electric control, so that the locking component can not only fix the guardrail to the post, but also be remotely opened in conjunction with the above structure during the unloading process. Therefore, during unloading, the vehicle can drive directly to the designated location for remote control without human assistance to open the guardrail, which greatly improves the unloading efficiency. Moreover, during the loading process, the guardrail can also be locked in place by pushing it, which utilizes the elastic structure to make the operation more convenient. Attached Figure Description

[0020] Figure 1 This is a schematic diagram of the vehicle body and carriage in this embodiment.

[0021] Figure 2 This is a schematic diagram of the carriage structure in Embodiment 2.

[0022] Figure 3 This is a schematic diagram of the mounting base and lifting cylinder in this embodiment 2;

[0023] Figure 4 This is a schematic diagram of the guardrail structure in Embodiment 2.

[0024] Figure 5 This is a schematic diagram of the column structure in Embodiment 2;

[0025] Figure 6 This is a schematic diagram of the electric telescopic rod and spring rod in this embodiment 2;

[0026] Figure 7 This is a diagram showing the positional distribution of the lifting cylinder and the positioning cylinder in this second embodiment;

[0027] The components are: 1. Vehicle body; 2. Carriage compartment; 3. Lifting assembly; 31. Lifting cylinder; 32. Positioning cylinder; 33. Mounting base; 4. Locking assembly; 41. Rectangular groove; 42. Electric telescopic rod; 43. Spring rod; 44. Protrusion; 45. Positioning hole; 46. Guide groove; 47. Return spring; 5. Column; 6. Guardrail; 61. Connecting part; 62. Rotating shaft. Detailed Implementation

[0028] To facilitate understanding of this application, a more complete description will be provided below with reference to the accompanying drawings, which illustrate embodiments of the present application. However, the present application can be implemented in many different forms and is not limited to the embodiments described herein. Rather, these embodiments are provided so that the disclosure of this application will be thorough and complete.

[0029] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the application.

[0030] Combination Figure 1-7 As shown, a new type of high-sided dump truck includes:

[0031] Vehicle body 1 is the main body of the car;

[0032] Carriage 2 is a rectangular box located behind the car body 1, used to place goods. There are pillars 5 at the four corners of its top surface, and guardrails 6 are installed between the pillars 5.

[0033] The lifting assembly 3 is located between the car body 1 and the carriage 2 to connect the two. By controlling its lifting part, the tilt angle and tilt direction of the carriage 2 can be controlled.

[0034] The locking component 4 is used to connect the guardrail 6 and the post 5, and also has the function of remote automatic disassembly, so as to cooperate with the lifting component 3 for quick unloading.

[0035] Example 1:

[0036] Specifically, in this embodiment, the lifting assembly 3 consists of a set of hydraulic cylinders, and the top of the vehicle body 1 is also provided with an installation groove. The installation groove is a downward-facing recess, so the hydraulic cylinder is lower than the top surface of the vehicle body 1 in the minimum stroke state, thus retracting into the installation groove. Therefore, the carriage 2 can be laid flat and supported on the vehicle body 1 without continuously squeezing the hydraulic cylinder.

[0037] In addition, the bottom of the rear end of carriage 2 is hinged to the top surface of the rear end of car body 1, for example... Figure 1 As shown, the entire carriage 2 can be flipped upwards around the hinge.

[0038] The hydraulic cylinder utilizes hinged structures at both ends to movably hinge to the bottom of the mounting slot and the bottom surface of the carriage 2, respectively, so that the extension of the hydraulic cylinder can lift the entire carriage 2 and achieve the tilting function.

[0039] The guardrail 6 adopts a vertical corrugated, horizontal corrugated, or engineering board grid structure. The locking component 4 is set as a side panel lock (i.e., truck B9 side panel lock) and is arranged on the surface of the post 5 away from the vehicle body 1, that is, on both sides of the rear post 5. The bottom end of the guardrail 6 located there is movably connected to the cargo compartment 2 through a connecting shaft and can be flipped outward. Therefore, the staff only needs to manually open the locking component 4 to make the guardrail 6 flip outward and open the cargo compartment 2. With the above-mentioned tilting structure, the goods inside the cargo compartment 2 can be dumped out.

[0040] The guardrail 6 and the post 5 mentioned above can be disassembled, so that the post 5 and guardrail 6 on the dump truck can be replaced with the corresponding specifications, so as to transfer and unload some stacked goods according to actual needs.

[0041] Example 2:

[0042] Specifically, in this embodiment, a total of 4 sets of lifting components 3 are provided. The 4 sets of lifting components 3 are located at the four corners of the rear top surface of the vehicle body 1, thereby forming a preliminary support effect.

[0043] Each lifting assembly 3 consists of a lifting cylinder 31 and two mounting seats 33. The mounting seats 33 are set as spherical hinge seats. Therefore, a hinge ball is fixedly installed at both ends of the lifting cylinder 31 and fastened to the inside of the mounting seat 33. This allows the function of tilting the carriage 2 backward and to the sides to be realized by controlling the lifting of the lifting cylinder 31.

[0044] However, the above structure lacks a positioning structure. Relying solely on the above four moving parts will cause the entire carriage 2 to sway left and right as well as back and forth. Therefore, a positioning cylinder 32 should be installed at the center of the back of the carriage 1. The top of the positioning cylinder 32 is also connected using a ball joint structure, while the bottom is directly fixed by bolts, so that it serves as the central support point to prevent the carriage 2 at the top from swaying.

[0045] Furthermore, in the above structure, the entire carriage 2 only needs to tilt to the left, right, and rear; therefore, the mounting base 33 should be configured as follows: Figure 4 The hinged seat shown in the figure has a structure in which the lifting cylinder 31 can only be offset in four directions, thereby achieving the above-mentioned directional tilting function.

[0046] Based on the above structure, since a lot of goods will be stored on the carriage 2, if only the above-mentioned cylinder is used for support, it will inevitably lead to excessive pressure. Therefore, a positioning groove should be set on the bottom surface of the carriage 2 and a limiting block should be set on the top surface of the carriage 1. When the cylinder is contracted to the minimum stroke, the two will be interlocked to form an auxiliary support effect and avoid the cylinder part being supported for a long time.

[0047] Therefore, in conjunction with the above-mentioned support structure, when dumping goods in this embodiment, the four sets of lifting cylinders 31 and the positioning cylinder 32 in the middle position should be extended simultaneously to separate the carriage 2 from the vehicle body 1. Then, according to the required dumping direction, such as dumping backward, the two lifting cylinders 31 that are far from the rear are extended, and the positioning cylinder 32 in the middle position is also extended appropriately, so that the entire surface of the carriage 2 tilts backward and the goods slide down the surface of the carriage 2 to the ground.

[0048] During the actual loading and unloading of the truck, due to the large amount of goods piled up on the truck bed 2, guardrails 6 are usually used to protect the side walls of the truck bed 2 to prevent them from falling. Therefore, the guardrails 6 need to be dismantled during the above-mentioned dumping process.

[0049] To effectively simplify this step, in this embodiment, the locking component 4 is disposed on the surface of the post 5, so that the guardrail 6 is fixedly connected to the post 5 by means of this structure, and can also be remotely controlled to open.

[0050] Based on the above requirements, the locking assembly 4 includes a rectangular groove 41 provided on the surface of the column 5. A through hole is provided on the inner side wall of the rectangular groove 41. An electric telescopic rod 42 is vertically arranged inside the through hole. A spring rod 43 is provided at the bottom end of the electric telescopic rod 42. The bottom end of the spring rod 43 extends downward into the rectangular groove 41, and the bottom of the telescopic end of the spring rod 43 is set as an arc shape.

[0051] The bottom of the column 5 extends outward to form a rectangular connecting part 61. A rotating shaft 62 is horizontally arranged between two adjacent connecting parts 61, and the two ends of the rotating shaft 62 are movably connected to the connecting part 61 through bearing seats. The bottom of the guardrail 6 is also provided with a horizontally penetrating mounting hole and is movably hinged to the rotating shaft 62. Therefore, the guardrail 6 can rotate outward around the rotating shaft 62, thereby enabling the carriage 2 to open, so as to cooperate with the above-mentioned tilting function.

[0052] In addition, the top sidewalls at both ends of the guardrail 6 are provided with protrusions 44, and the protrusions 44 are provided with positioning holes 45. The surface of the protrusions 44 is also provided with guide grooves 46 that communicate with the positioning holes 45. The bottom of the telescopic end of the spring rod 43 slides into the positioning hole 45 through the guide groove 46 and unfolds inside it, thereby locking the guardrail 6 and the post 5 together and preventing the guardrail 6 from coming out.

[0053] Therefore, staff need to control the retraction of the electric telescopic rod 42 to make the entire spring rod 43 move upward and eventually separate the two.

[0054] In addition, a return spring 47 should be provided on the bottom surface of the rectangular groove 41. When the guardrail 6 is flipped inward, the protrusion 44 will squeeze the return spring 47 and lock it to the guardrail 6. When disassembly is required, the electric telescopic rod 42 is controlled to retract. At this time, the squeezed return spring 47 will apply an outward pushing force to the protrusion 44, thereby using the pushing force to make the guardrail 6 flip outward, realizing the function of remotely controlling the opening of the guardrail 6.

[0055] In the above structure, the lifting cylinder 31 and the positioning cylinder 32 can also adopt a hydraulic cylinder structure. At the same time, the above cylinders and the electric telescopic rod 42 should be equipped with a Bluetooth module, or directly connected to a controller via wires. The controller should be set to the front of the vehicle body 1 so that the driver can directly control it from the driver's cab, making the operation more convenient.

[0056] Combination Figure 7 As shown in the attached diagram, A, B, C, and D represent four lifting cylinders 31, while X represents a positioning cylinder 32 located in the middle position, and Y represents a limiting block located on the vehicle body 1. Additionally, a positioning groove adapted to the limiting block is provided on the bottom surface of the carriage 2. In this structure, since A, B, C, D, and X are all of the same length, the entire carriage 2 is in a horizontal state.

[0057] When A, B, C, D and X retract to their minimum stroke, the entire carriage 2 moves downward, causing the positioning groove to engage inside the positioning groove. At this time, since A, B, C, D and X all move downward and are subjected to downward pulling force, the entire carriage 2 will fit tightly with the car body 1 and cannot shake, thus ensuring the stability of the carriage 2 during the operation of the car body 1.

[0058] When it is necessary to tilt backward, firstly, A, B, C, D and X extend upward at the same time for a certain distance, so that carriage 2 separates from Y. Then C and D contract downward, while A and B extend upward, and X remains unchanged, so that the entire carriage 2 tilts towards the rear end around X.

[0059] When it is necessary to tilt to the side, A, B, C, D and X are simultaneously extended upwards by a certain distance. Then A and C or B and D contract downwards, and B and D or A and C extend upwards. X can then be used as the center to tilt the entire carriage 2 to one side.

[0060] When it is necessary to adjust carriage 2 to a horizontal position, the lengths of A, B, C, D, and X can be controlled to keep them consistent, thereby adjusting it to a horizontal state.

[0061] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of this utility model, and are not intended to limit it. Although this utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some or all of the technical features therein. Such modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the technical solutions of the embodiments of this utility model.

Claims

1. A new type of high rail dump truck, comprising a vehicle body (1) and a vehicle compartment (2) arranged at the rear of the vehicle body (1), characterized in that, The top of the vehicle body (1) is provided with a jacking assembly (3), the top of the jacking assembly (3) is movably hinged with the bottom of the carriage (2), four corners of the top surface of the carriage (2) are further vertically provided with a stand column (5) respectively, two adjacent stand columns (5) are provided with a guardrail (6) between, and the end surface of the stand column (5) is further provided with a locking assembly (4), the guardrail (6) is detachably fixedly connected with the stand column (5) through the locking assembly (4). The jacking assembly (3) is provided with four groups and is arranged at four corners of the bottom surface of the carriage (2) respectively, each group of the jacking assembly (3) comprises a jacking cylinder (31) and two mounting seats (33), the bottom surfaces of the two mounting seats (33) are fixedly connected with the bottom surface of the carriage (2) and the top surface of the vehicle body (1) respectively, and the two ends of the jacking cylinder (31) are movably hinged with the two mounting seats (33) respectively; a positioning cylinder (32) is further arranged at the center of the top surface of the vehicle body (1) behind, the top end of the positioning cylinder (32) is movably hinged with the center of the bottom surface of the carriage (2), and the bottom end of the positioning cylinder (32) is fixedly connected with the top surface of the vehicle body (1). The locking assembly (4) comprises a rectangular groove (41) arranged on the surface of the stand column (5), a through hole is formed in the inner side wall of the rectangular groove (41), a vertical electric telescopic rod (42) is arranged in the through hole, the bottom end of the electric telescopic rod (42) is provided with a spring rod (43), and the bottom end of the spring rod (43) extends downward into the rectangular groove (41).

2. The new high-sided dump truck as claimed in claim 1, characterized in that, The jacking assembly (3) comprises a mounting groove arranged on the top surface of the vehicle body (1) behind, a hydraulic cylinder is arranged in the mounting groove, the top end of the hydraulic cylinder is movably hinged with the bottom surface of the front end of the bottom surface of the carriage (2), the bottom end of the hydraulic cylinder is movably hinged with the groove bottom of the mounting groove, and the top surface of the tail end of the vehicle body (1) is movably hinged with the bottom surface of the rear half of the carriage (2).

3. The new high-sided dump truck as claimed in claim 2, characterized in that, The guardrail (6) is arranged as a vertical corrugated structure, a horizontal corrugated structure or an engineering board checkered structure, the locking assembly (4) is arranged as a fence lock and is arranged on the surface of the stand column (5) away from the vehicle body (1), and the bottom end of the guardrail (6) arranged on one side of the locking assembly (4) is movably connected with the carriage (2) through a connecting shaft and can be turned outward.

4. The new type of high side dump truck as claimed in claim 1, characterized in that, The mounting seat (33) is a spherical hinge seat, and hinge balls are fixedly arranged at the two ends of the jacking cylinder (31), and the hinge balls are movably buckled in the mounting seat (33).

5. The new type of high side dump truck as claimed in claim 1, characterized in that, The top surface of the vehicle body (1) behind is further provided with a limiting block, and the bottom surface of the carriage (2) is provided with a positioning groove, when the jacking cylinder (31) is contracted to the minimum stroke, the limiting block is inserted into the positioning groove.

6. The new high side dump truck as claimed in claim 1, wherein, The bottom of the stand column (5) extends outward to form a connecting part (61), a rotating shaft (62) is horizontally arranged between two adjacent connecting parts (61), the two ends of the rotating shaft (62) are movably connected with the connecting parts (61) through bearing seats, and the bottom of the guardrail (6) is further transversely provided with a mounting hole and is movably hinged with the rotating shaft (62).

7. The new high-sided dump truck as claimed in claim 6, characterized in that, The top side wall of both ends of the guardrail (6) is provided with a protruding part (44), the protruding part (44) is provided with a positioning hole (45), and the surface of the protruding part (44) is also provided with a guide groove (46) and communicates with the positioning hole (45), and the bottom of the spring rod (43) slides into the inside of the positioning hole (45) through the guide groove (46).

8. The new high-sided dump truck as claimed in claim 7, characterized in that, The bottom surface of the rectangular groove (41) is also provided with an elastic member, which is a return spring (47), and the top end of the elastic member is mutually attached to the end face of the protruding part (44).