Double-side-turning self-dumping semitrailer
By introducing lifting hydraulic cylinders, unloading hydraulic cylinders, and reinforcing hydraulic struts into the side-tipping self-dumping semi-trailer, the problems of low unloading safety and efficiency have been solved, and a safe and stable automatic unloading process has been achieved.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-05-14
- Publication Date
- 2026-03-31
AI Technical Summary
Existing side-dump semi-trailers have poor unloading safety, workers are easily injured by the impact of the side door, and unloading efficiency is low.
The design incorporates a cargo box, lifting hydraulic cylinder, unloading hydraulic cylinder, side door, positioning buckle, and positioning slot. The side door is locked by the positioning buckle, and the opening of the side door is controlled by the unloading hydraulic cylinder. Combined with the mechanical self-locking structure of the reinforced hydraulic strut and drive motor, a safe and stable unloading process is achieved.
It improves the safety and stability of unloading, enhances unloading efficiency, ensures the safety of personnel, prevents vehicle rollover, and achieves automated unloading.
Smart Images

Figure CN224060894U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the technical field of semitrailer, concretely to a double-side turnover self-unloading semitrailer. BACKGROUND
[0002] The semitrailer is the trailer with the axle placed behind the gravity center of the vehicle and the coupling device capable of transmitting horizontal and vertical force to the towing vehicle, and the turnover self-unloading semitrailer is a kind of semitrailer specially used for quickly unloading, which has a unique mechanical unloading system, and by controlling the hydraulic system of the vehicle, the side plate on one side of the cargo box is inclined to automatically dump the goods. This unloading method is suitable for occasions with high requirements on the unloading speed of goods, such as construction sites and large engineering projects.
[0003] The common turnover self-unloading semitrailer needs the staff to open the side door of the carriage first, and then push the carriage to turn over by the lifting mechanism to achieve full unloading. However, when the staff opens the side door, the side door will be quickly opened due to the extrusion impact force of the materials, and the staff may be easily injured if he / she does not dodge in time, so the unloading safety is poor.
[0004] There is an urgent need for a double-side turnover self-unloading semitrailer to solve the technical defects in the above-mentioned technology. CONTENT OF THE UTILITY MODEL
[0005] The utility model aims at providing a double-side turnover self-unloading semitrailer to solve the problem of poor unloading safety in the above-mentioned background technology.
[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a double-side turnover self-unloading semitrailer, comprising a vehicle body, a carriage is installed at the top end of the vehicle body, the left side of the bottom of the carriage is movably hinged to the vehicle body, a reinforcing seat is fixedly connected to the bottom end of the carriage, four groups of hydraulic connecting seats are installed at the bottom end of the reinforcing seat, a lifting hydraulic cylinder is movably hinged to the vehicle body, the output end of the lifting hydraulic cylinder is hingedly installed to the hydraulic connecting seat, a connecting frame is fixedly connected to the rear end of the vehicle body, a fixed seat is installed at the bottom end of the vehicle body, a reinforcing hydraulic support rod is movably connected in the fixed seat, a supporting plate is movably hinged to the bottom end of the reinforcing hydraulic support rod, a driving motor is installed on the fixed seat, a side door is movably hinged to the left side of the carriage, unloading hydraulic cylinders are movably hinged to the front end and the rear end of the left side of the carriage, positioning buckles are installed on the side door, and positioning clamping grooves are installed on the carriage.
[0007] As a further technical scheme of the utility model, the output end of the unloading hydraulic cylinder is movably hinged to the side door, and an antiskid pad is installed at the bottom end of the supporting plate.
[0008] As a further technical scheme of the utility model, the positioning buckles are in the shape of "L", and the positioning buckles can be embedded in the inside of the positioning clamping grooves.
[0009] As a further technical scheme of the utility model, the driving module of the lifting hydraulic cylinder, the reinforcing hydraulic support rod, the driving motor and the unloading hydraulic cylinder is electrically connected with the controller on the vehicle body.
[0010] As a further technical scheme of the utility model, the reinforcing hydraulic support rod is provided with six groups and is distributed on both sides of the bottom of the vehicle body, and the front end of the carriage is provided with a ladder.
[0011] As a further technical scheme of the utility model, the output end of the driving motor is connected with the reinforcing hydraulic support rod, and the driving motor and the reinforcing hydraulic support rod are provided with a mechanical self-locking structure.
[0012] Compared with the prior art, the utility model has the beneficial effects that the double-side tipping self-unloading semi-trailer not only realizes the function of enhancing safety, realizes the function of facilitating stable side tipping unloading, and realizes the function of enhancing unloading efficiency.
[0013] (1) through the setting up the carriage, the lifting hydraulic cylinder, the unloading hydraulic cylinder, the side door, the positioning buckle and the positioning slot, the side door is locked through the positioning buckle and is limited by the unloading hydraulic cylinder before unloading, the positioning buckle is opened by the staff at this time, the side door will not be directly opened by the material, the unloading hydraulic cylinder needs to be started again, the side door is opened gradually by the unloading hydraulic cylinder, and the safety of unloading is improved.
[0014] (2) through the setting up the reinforcing hydraulic support rod, the fixed seat, the driving motor, the support plate and the antiskid pad, the reinforcing hydraulic support rod on the fixed seat needs to be inclined to the side of the vehicle body before side tipping unloading, the driving motor adjusts the reinforcing hydraulic support rod to the appropriate inclination angle, then is locked and fixed through the mechanical self-locking structure installed at the connecting portion, then the reinforcing hydraulic support rod is supported through the support plate and the ground, the antiskid pad at the bottom of the support plate can enhance the support stability, the reinforcing hydraulic support rod can support the stress of the vehicle body, the stability of unloading is improved, and the vehicle body is prevented from tipping during unloading.
[0015] (3) through the setting up the lifting hydraulic cylinder, the reinforcing hydraulic support rod, the driving motor and the unloading hydraulic cylinder, the controller for controlling the lifting hydraulic cylinder, the reinforcing hydraulic support rod, the driving motor and the unloading hydraulic cylinder can be connected with the control operation panel of the vehicle head, and the staff can realize automatic unloading in the vehicle, and the efficiency of unloading is improved. BRIEF DESCRIPTION OF DRAWINGS
[0016] Figure 1 It is a front view cross-sectional structure schematic view of the utility model;
[0017] Figure 2 It is a side view structure schematic view of the utility model;
[0018] Figure 3 It is the front view structure schematic diagram of the carriage of the utility model;
[0019] Figure 4 It is the side view structure schematic diagram of the reinforced hydraulic support rod of the utility model.
[0020] In the drawing: 1, vehicle body; 2, carriage; 3, reinforcing seat; 4, hydraulic connecting seat; 5, lifting hydraulic cylinder; 6, connecting frame; 7, reinforced hydraulic support rod; 8, support plate; 9, ladder; 10, fixed seat; 11, drive motor; 12, non-slip pad; 13, unloading hydraulic cylinder; 14, side door; 15, positioning buckle; 16, positioning slot. DETAILED DESCRIPTION
[0021] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the utility model.
[0022] Please refer to Figures 1-4 The utility model provides an embodiment: a bilateral turnover self-unloading semitrailer, including vehicle body 1, vehicle body 1 top end is installed with carriage 2, the left side of the bottom of carriage 2 with vehicle body 1 is active hinged, the bottom end of carriage 2 is fixedly connected with reinforcing seat 3, and the bottom end of reinforcing seat 3 is installed with four groups of hydraulic connecting seat 4, and vehicle body 1 is active hinged and installed with lifting hydraulic cylinder 5, and the output end of lifting hydraulic cylinder 5 is hinged and installed with hydraulic connecting seat 4, and the rear end of vehicle body 1 is fixedly connected with connecting frame 6, and the bottom end of vehicle body 1 is installed with fixed seat 10, and the inside of fixed seat 10 is active and connected with reinforced hydraulic support rod 7, and the bottom end of reinforced hydraulic support rod 7 is active and hinged with support plate 8, and drive motor 11 is installed on fixed seat 10, and the left side of carriage 2 is active and hinged with side door 14, and the front end and the rear end of the left side of carriage 2 are active and hinged with unloading hydraulic cylinder 13, and positioning buckle 15 is installed on side door 14, and positioning slot 16 is installed on carriage 2;
[0023] The output end of unloading hydraulic cylinder 13 is active and hinged with side door 14, the bottom end of support plate 8 is installed with non-slip pad 12, positioning buckle 15 is "L" shaped, and positioning buckle 15 can be embedded in the inside of positioning slot 16;
[0024] Specifically, as Figure 1 And Figure 2As shown, the unloading front side door 14 is locked by the positioning buckle 15 and limited by the unloading hydraulic cylinder 13. Before unloading, the worker first opens the positioning buckle 15. At this time, the side door 14 will not be directly opened by the material, and the unloading hydraulic cylinder 13 needs to be started again to gradually open the side door 14 to realize unloading.
[0025] The reinforced hydraulic support rod 7 is provided with six groups and is distributed on both sides of the bottom of the vehicle body 1. The front end of the carriage 2 is provided with a ladder 9. The output end of the driving motor 11 is connected with the reinforced hydraulic support rod 7. The driving motor 11 and the reinforced hydraulic support rod 7 are provided with a mechanical self-locking structure.
[0026] Specifically, as shown in Figure 1 and Figure 4 Before side unloading, the reinforced hydraulic support rod 7 on the fixed seat 10 needs to be inclined to the side of the vehicle body 1. The driving motor 11 first adjusts the reinforced hydraulic support rod 7 to the appropriate inclination angle and then locks and fixes through the mechanical self-locking structure installed at the connection. Then the reinforced hydraulic support rod 7 is supported by the support plate 8 and the ground to realize reinforced support. The anti-skid pad 12 at the bottom of the support plate 8 can enhance the support stability. The reinforced hydraulic support rod 7 can support the stress of the vehicle body 1 and improve the stability of unloading.
[0027] The driving modules of the lifting hydraulic cylinder 5, the reinforced hydraulic support rod 7, the driving motor 11 and the unloading hydraulic cylinder 13 are electrically connected with the controller on the vehicle body 1.
[0028] Specifically, as shown in Figure 1 and Figure 3 The controller for controlling the lifting hydraulic cylinder 5, the reinforced hydraulic support rod 7, the driving motor 11 and the unloading hydraulic cylinder 13 can be connected with the control operation panel of the vehicle head. The worker can realize automatic unloading in the car to improve the efficiency of unloading.
[0029] Working principle: the side door 14 is locked by the positioning buckle 15 and limited by the unloading hydraulic cylinder 13 before unloading, the worker opens all the positioning buckles 15 first when unloading, at this time the side door 14 will not be directly opened by the material, the unloading hydraulic cylinder 13 needs to be started again, the unloading hydraulic cylinder 13 gradually opens the side door 14 to realize unloading, before the side unloading, the reinforcing hydraulic support rod 7 on the fixed seat 10 needs to be inclined to the side of the vehicle body 1, the driving motor 11 adjusts the reinforcing hydraulic support rod 7 to the appropriate inclination angle first, then the mechanical self-locking structure installed at the connection is locked and fixed, then the reinforcing hydraulic support rod 7 is supported by the support plate 8 and the ground to realize reinforcing support, the anti-skid pad 12 at the bottom of the support plate 8 can enhance the support stability, the reinforcing hydraulic support rod 7 can support the stress of the vehicle body 1, improve the stability of unloading, avoid the vehicle body 1 from rolling over when unloading, the controllers of the lifting hydraulic cylinder 5, the reinforcing hydraulic support rod 7, the driving motor 11 and the unloading hydraulic cylinder 13 can be connected with the control operation panel of the vehicle head, the worker can realize automatic unloading in the vehicle, improve the unloading efficiency.
[0030] It is obvious for those skilled in the art that the present application is not limited to the details of the above exemplary embodiments, and can be implemented in other specific forms without departing from the spirit or essential characteristics of the present application. Therefore, the embodiments should be regarded as exemplary and non-limiting, the scope of the present application is defined by the appended claims rather than the above description, and all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the present application. Any reference signs in the claims should not be regarded as limiting the claims.
Claims
1. A double-sided tipping dumper semitrailer comprising a vehicle body (1), characterized in that: The car body (1) top end is installed with carriage (2), the carriage (2) bottom left side is active hinged with car body (1), the bottom end of carriage (2) is fixedly connected with reinforcing seat (3), the bottom end of reinforcing seat (3) is installed with four groups of hydraulic connecting seat (4), the car body (1) is active hinged with lifting hydraulic cylinder (5), the output end of lifting hydraulic cylinder (5) is hinged with hydraulic connecting seat (4), the rear end of car body (1) is fixedly connected with connecting frame (6), the bottom end of car body (1) is installed with fixed seat (10), the inside of fixed seat (10) is active connection with reinforcing hydraulic support (7), the bottom end of reinforcing hydraulic support (7) is active hinged with support plate (8), the fixed seat (10) is installed with drive motor (11), the left side of carriage (2) is active hinged with side door (14), the left side of carriage (2) front end and rear end is active hinged with unloading hydraulic cylinder (13), the side door (14) is installed with positioning buckle (15), the carriage (2) is installed with positioning clamping groove (16).
2. The dual tilting dump semi-trailer of claim 1, wherein: The output end of unloading hydraulic cylinder (13) is active hinged with side door (14), the bottom end of support plate (8) is installed with antiskid pad (12).
3. The double side tipping dump semi-trailer as claimed in claim 1 or 2, wherein: The positioning buckle (15) is "L" shape, the positioning buckle (15) can be embedded in the inside of positioning clamping groove (16).
4. The dual tilting dump semi-trailer of claim 1, wherein: The drive module of lifting hydraulic cylinder (5), reinforcing hydraulic support (7), drive motor (11) and unloading hydraulic cylinder (13) is electrically connected with the controller on car body (1).
5. The double side tipping dump semi-trailer as claimed in claim 1, wherein: The reinforcing hydraulic support (7) is provided with six groups and is distributed on both sides of the bottom of car body (1), the front end of carriage (2) is installed with ladder (9).
6. The double side tipping dump semi-trailer as claimed in claim 1, wherein: The output end of drive motor (11) is connected with reinforcing hydraulic support (7), the drive motor (11) is provided with mechanical self-locking structure with reinforcing hydraulic support (7).