Turnover mechanism of semitrailer carriage

Abstract

The utility model relates to the technical field of semitrailers, in particular to a turnover mechanism of a semitrailer carriage, which comprises a frame and a carriage. Two mounting shafts are arranged at the lower end of the compartment, two fixing assemblies are arranged on the frame, the mounting shafts are connected with the corresponding fixing assemblies in a matched mode, the frame is provided with two turnover mechanisms, and the turnover mechanisms are connected with the two ends of the compartment respectively; the turnover mechanism comprises a rotating mechanism, a fixed shaft, a second connecting rod and a first connecting rod; the rotating mechanism is connected to the frame, one end of the first connecting rod is matched and connected with the rotating mechanism, and the fixing shaft is connected with the surface of the carriage; the other ends of the first connecting rod and the second connecting rod are rotationally connected. The two connecting rods can turn over the carriage for unloading, the lengths of the two connecting rods are fixed, the carriage can be prevented from completely turning over, and the safety is higher.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of semitrailer, concretely is a kind of turnover mechanism of semitrailer carriage. BACKGROUND

[0002] Semitrailer refers to the vehicle that wheel and head are supported to carriage, in order to facilitate unloading, the carriage of semitrailer is generally provided with turnover mechanism, when needing to unload, the carriage is inclined by turnover mechanism, so that the goods in the carriage automatically slide out in the carriage due to gravity.

[0003] Chinese patent with the authorization announcement number CN221113656U discloses a self-unloading semitrailer rollover mechanism, which can adjust the inclination direction of the carriage according to the unloading position, is convenient to use, has low limitation and high practicability; it comprises a frame assembly, a plate, a carriage and two groups of doors, the two groups of doors are respectively installed on the left and right sides of the carriage, the plate is fixedly installed on the frame assembly, and the carriage is placed on the plate; it further comprises a lifting mechanism and two groups of fixing mechanisms, the two groups of fixing mechanisms are respectively installed on the left and right parts of the plate, the lifting mechanism is installed on the plate, and the lifting mechanism is used for lifting the carriage, and the fixing mechanism is used for supporting and fixing the carriage.

[0004] However, the above-mentioned technical scheme has the following defects: in the above-mentioned self-unloading semitrailer rollover mechanism, the two groups of supporting wheels below the carriage only contact the carriage without connecting structure, when the turning angle of the carriage is small, the internal goods cannot be completely unloaded, when the turning angle of the carriage is too large, the carriage has the risk of rollover, and the safety performance is low and inconvenient to use. UTILITY MODEL CONTENTS

[0005] The utility model aims at the problems in the background art and provides a turnover mechanism of semitrailer carriage.

[0006] The technical scheme of the utility model: a turnover mechanism of semitrailer carriage, comprising a frame and a carriage;

[0007] The lower end of the carriage is provided with two mounting shafts, the frame is provided with two fixing assemblies, the fixing assemblies correspond to the mounting shafts one by one, the mounting shafts are connected with the corresponding fixing assemblies in a matched mode, the frame is provided with two turnover mechanisms, and the two ends of the carriage are connected with the turnover mechanisms respectively;

[0008] The turnover mechanism comprises a rotating mechanism, a fixed shaft, a second connecting rod and a first connecting rod;

[0009] The rotating mechanism is connected to the frame, one end of the first connecting rod is connected with the rotating mechanism in a matched mode, the fixed shaft is connected to the surface of the carriage, and one end of the second connecting rod is rotatably connected with the fixed shaft;

[0010] The other ends of the first connecting rod and the second connecting rod are rotatably connected with each other.

[0011] Preferably, the fixing assembly comprises an electric push rod, a limiting part and a fixing part;

[0012] The fixing part is connected with the frame, and the fixing part is provided with a groove.

[0013] The limiting part is slidably connected with the surface of the frame, and the electric push rod is provided with a plurality of electric push rods connected with the frame.

[0014] Preferably, the limiting part is L-shaped in cross section.

[0015] Preferably, the lower end of the carriage is provided with a plurality of supporting blocks, and the number of supporting blocks is four.

[0016] Preferably, the rotating mechanism comprises a mounting part, a worm gear, a rotating shaft, a worm and a driving motor.

[0017] The mounting part is connected with the frame, the rotating shaft is rotatably connected with the mounting part, and one end of the first connecting rod is connected with the rotating shaft.

[0018] The worm gear is connected with the rotating shaft, the worm is rotatably connected with the mounting part, the worm is meshingly connected with the worm gear, the driving motor is connected with the mounting part, and the driving motor is drivingly connected with the worm.

[0019] Preferably, the two sides of the carriage are rotatably provided with doors.

[0020] Compared with the prior art, the above technical scheme of the utility model has the following beneficial technical effects:

[0021] 1. In the utility model, the two connecting rods can overturn the carriage for unloading, the lengths of the two connecting rods are fixed, the carriage can be prevented from being completely overturned, and the safety is higher.

[0022] 2. In the utility model, when the carriage needs to be overturned, the electric push rod starts to drive the limiting part on one side away from the fixing part, so that the corresponding mounting shaft can be rotated out of the groove, and the limiting part on the other side fixes the corresponding mounting shaft in the groove, so that the carriage can be overturned.

[0023] 3. In the utility model, the driving motor starts to drive the worm to rotate, the worm is meshingly connected with the worm gear for transmission, the worm gear drives the rotating shaft and the first connecting rod to rotate, the other end of the first connecting rod drives the second connecting rod to rotate, and the angle between the first connecting rod and the second connecting rod is increased, so that the carriage can be overturned. BRIEF DESCRIPTION OF DRAWINGS

[0024] Figure 1 A perspective view of a turnover mechanism of a semitrailer carriage is provided.

[0025] Figure 2 A perspective view of an embodiment when unloading is provided.

[0026] Figure 3 The utility model is a structural schematic diagram of a semi-trailer compartment turnover mechanism.

[0027] Figure 4 for Figure 3 Schematic diagram of the structure at point A in the middle.

[0028] Figure numerals: 1. frame; 2. carriage; 3. support block; 4. mounting portion; 5. second connecting rod; 6. first connecting rod; 7. electric push rod; 8. limiting portion; 9. mounting shaft; 10. fixing portion; 11. groove; 12. worm gear; 13. rotating shaft; 14. worm; 15. driving motor. DETAILED DESCRIPTION

[0029] Example 1

[0030] like Figures 1-4 As shown, the present invention provides a semi-trailer compartment flipping mechanism, comprising a frame 1 and a compartment 2;

[0031] Two mounting shafts 9 are provided at the lower end of the carriage 2. A plurality of support blocks 3 are provided at the lower end of the carriage 2. The number of support blocks 3 is four. The two mounting shafts 9 are respectively connected to two support blocks 3 on the same side.

[0032] The vehicle frame 1 is provided with two fixing components, which correspond to the mounting shafts 9 one by one. The mounting shafts 9 are cooperatively connected with the corresponding fixing components. The vehicle frame 1 is provided with two flipping mechanisms, which are respectively connected to the two ends of the vehicle body 2.

[0033] Furthermore, compartment doors are rotatably provided on both sides of the compartment 2.

[0034] The flipping mechanism includes a rotating mechanism, a fixed shaft, a second connecting rod 5 and a first connecting rod 6;

[0035] The rotating mechanism is connected to the frame 1, one end of the first connecting rod 6 is connected to the rotating mechanism, the fixed shaft is connected to the surface of the carriage 2, and one end of the second connecting rod 5 is rotatably connected to the fixed shaft;

[0036] The other ends of the first connecting rod 6 and the second connecting rod 5 are rotatably connected to each other.

[0037] In the present invention, the fixing assembly can fix the two mounting shafts 9 during transportation, so that the carriage 2 remains stable during transportation. When unloading is required, the fixing assembly on one side loosens the corresponding mounting shaft 9, and the rotating mechanism starts to drive the first connecting rod 6 to rotate. Further, the first connecting rod 6 drives the second connecting rod 5 to rotate, and the angle between the first connecting rod 6 and the second connecting rod 5 becomes larger, so that the carriage 2 can be flipped over for unloading; in the present invention, the two connecting rods can make the carriage 2 flip over for unloading, and the length of the two connecting rods is fixed, which can prevent the carriage 2 from completely flipping over, and the safety is higher.

[0038] Example 2

[0039] As Figures 1-3 shown, the utility model provides a kind of turnover mechanism of semitrailer carriage, compared with embodiment one, the fixed component in this embodiment includes electric push rod 7, limiting portion 8 and fixed part 10;

[0040] Fixed part 10 connects frame 1, recess 11 is equipped on fixed part 10, and mounting shaft 9 on carriage 2 is connected with recess 11 in cooperation;

[0041] Limiting portion 8 is slidably connected to the surface of frame 1, and electric push rod 7 is provided with a plurality of and is connected to frame 1, and the other end of electric push rod 7 is connected to limiting portion 8.

[0042] Further, the cross-sectional shape of limiting portion 8 is L-shaped.

[0043] In this embodiment, when it is necessary to overturn carriage 2, electric push rod 7 is started to drive the limiting portion 8 on one side away from fixed part 10, so that the corresponding mounting shaft 9 can be rotated out of recess 11, and the limiting portion 8 on the other side fixes the corresponding mounting shaft 9 inside recess 11, so that carriage 2 can be overturned.

[0044] Embodiment three

[0045] As Figures 3-4 shown, the utility model provides a kind of turnover mechanism of semitrailer carriage, compared with embodiment one, the rotating mechanism in this embodiment includes mounting portion 4, worm wheel 12, rotating shaft 13, worm 14 and drive motor 15;

[0046] Mounting portion 4 is connected to frame 1, rotating shaft 13 is rotatably connected to mounting portion 4, and one end of first connecting rod 6 is connected to rotating shaft 13.

[0047] Worm wheel 12 is connected to rotating shaft 13, worm 14 is rotatably connected to mounting portion 4, worm 14 is meshingly connected with worm wheel 12, drive motor 15 is connected to mounting portion 4, and drive motor 15 is drivingly connected to worm 14.

[0048] In this embodiment, drive motor 15 is started to drive worm 14 to rotate, worm 14 is meshingly driven with worm wheel 12, worm wheel 12 drives rotating shaft 13 and first connecting rod 6 to rotate, the other end of first connecting rod 6 drives second connecting rod 5 to rotate, and the angle between first connecting rod 6 and second connecting rod 5 becomes larger, i.e. carriage 2 can be overturned.

[0049] The embodiments of the utility model are described in detail above in combination with the drawings, but the utility model is not limited to this, within the knowledge range possessed by the person skilled in the art, various changes can also be made without departing from the purpose of the utility model.

Claims

1. A turning mechanism for a semi-trailer compartment, characterized in that: It comprises a frame (1) and a carriage (2); The lower end of the carriage (2) is provided with two mounting shafts (9), the frame (1) is provided with two fixing components, the fixing components correspond to the mounting shafts (9) one by one, the mounting shafts (9) are cooperatively connected to the corresponding fixing components, and the frame (1) is provided with two turning mechanisms, which are respectively connected to the two ends of the carriage (2); The turning mechanism comprises a rotating mechanism, a fixed shaft, a second connecting rod (5) and a first connecting rod (6); The rotating mechanism is connected to the vehicle frame (1), one end of the first connecting rod (6) is cooperatively connected to the rotating mechanism, the fixed shaft is connected to the surface of the vehicle body (2), and one end of the second connecting rod (5) is rotatably connected to the fixed shaft; The other ends of the first connecting rod (6) and the second connecting rod (5) are rotatably connected to each other.

2. A semi-trailer compartment tilting mechanism according to claim 1, characterized in that: The fixing assembly includes an electric push rod (7), a limiting portion (8) and a fixing portion (10); The fixing portion (10) is connected to the vehicle frame (1), a groove (11) is provided on the fixing portion (10), and a shaft (9) is mounted on the vehicle body (2) and is connected in cooperation with the groove (11); The limiting portion (8) is slidably connected to the surface of the vehicle frame (1); a plurality of electric push rods (7) are provided and connected to the vehicle frame (1); and the other end of the electric push rod (7) is connected to the limiting portion (8).

3. The semi-trailer compartment tilting mechanism according to claim 2, characterized in that: The cross-sectional shape of the limiting portion (8) is L-shaped.

4. The semi-trailer compartment tilting mechanism according to claim 1, characterized in that: A plurality of support blocks (3) are provided at the lower end of the carriage (2), wherein the number of the support blocks (3) is four, and two mounting shafts (9) are respectively connected to two support blocks (3) on the same side.

5. The semi-trailer compartment tilting mechanism according to claim 1, characterized in that: The rotating mechanism includes a mounting portion (4), a worm gear (12), a rotating shaft (13), a worm (14) and a driving motor (15); The mounting portion (4) is connected to the vehicle frame (1), the rotating shaft (13) is rotatably connected to the mounting portion (4), and one end of the first connecting rod (6) is connected to the rotating shaft (13); The worm wheel (12) is connected to the rotating shaft (13), the worm (14) is rotatably connected to the mounting portion (4), the worm (14) is meshedly connected to the worm wheel (12), the driving motor (15) is connected to the mounting portion (4), and the driving motor (15) is transmission-connected to the worm (14).

6. The semi-trailer compartment tilting mechanism according to claim 1, characterized in that: Both sides of the carriage (2) are rotatably provided with carriage doors.

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