CN216101739U

CN216101739U - Self-unloading semitrailer

Info

Publication number: CN216101739U
Application number: CN202122391885.0U
Authority: CN
Inventors: 杨中勋; 韩新佩
Original assignee: Shijiazhuang Jintongda Special Purpose Vehicle Co ltd
Current assignee: Shijiazhuang Jintongda Special Purpose Vehicle Co ltd
Priority date: 2021-09-30
Filing date: 2021-09-30
Publication date: 2022-03-22
Anticipated expiration: 2031-09-30

Abstract

The utility model discloses a self-unloading semitrailer, which comprises a semitrailer chassis arranged on a tractor, wherein a front self-unloading frame and a rear self-unloading frame are arranged on the semitrailer chassis, a carriage for loading goods is arranged on the front self-unloading frame and the rear self-unloading frame, a first driving assembly for enabling the carriage to overturn at the tail part of the semitrailer chassis is fixedly arranged between the semitrailer chassis and the front self-unloading frame, a second driving assembly in transmission connection with the carriage is fixedly arranged on the front self-unloading frame and the rear self-unloading frame, the second driving assembly drives the carriage to rotate so as to realize side overturning and unloading of the carriage, the carriage can be overturned backwards to realize self-unloading of the goods and the side overturning of the carriage so as to realize self-unloading of the goods, and the overturning and unloading efficiency can be more efficient according to actual conditions. Is suitable for the technical field of semitrailers.

Description

Self-unloading semitrailer

Technical Field

The utility model relates to the technical field of semitrailers, in particular to a self-unloading semitrailer.

Background

The semitrailer is a trailer, an axle of which is arranged behind the gravity center of the vehicle (when the vehicle is uniformly loaded), and is provided with a coupling device capable of transmitting horizontal and vertical forces to a tractor, the semitrailer is generally a three-axle semitrailer, the semitrailer can be divided into eleven-meter-bin-column semitrailer, thirteen-meter-bin-column semitrailer, low-bed semitrailer and the like, and is a heavy transport vehicle connected with the head of the semitrailer through a traction pin, the semitrailer is mainly used for transporting large cargos which are large in size and difficult to disassemble, such as an excavator and the like, and the rail type semitrailer is suitable for pulling fresh cargos, such as vegetables, fruits and the like; a semi-trailer for unloading goods on side turning is also provided, but the semi-trailer can not be used for unloading goods on front and back turning; it unloads and these two kinds of functions of front and back upset unloading to possess the side upset simultaneously, can not select according to actual conditions to unload efficiency more high-efficiently through which kind of upset, and the function is more single, and unloading is inefficient, and application scope has the limitation, therefore we have proposed a self-discharging formula semitrailer, is used for solving above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

The utility model provides a self-unloading semitrailer, which aims to solve the problems in the background technology.

In order to achieve the purpose, the technical scheme adopted by the utility model is as follows:

the utility model provides a self-discharging formula semitrailer, the key point lies in, including installing the semitrailer chassis on the tractor, the frame of unloading from the front and back is provided with on the semitrailer chassis, the carriage that is used for the loading is installed on the preceding and back self-discharging shelf, it is used for making the carriage carry out the first drive assembly that overturns at the afterbody on the semitrailer chassis to be equipped with admittedly between semitrailer chassis and the preceding and back self-discharging shelf, it is connected with the carriage transmission to adorn admittedly from the back on the self-discharging shelf, second drive assembly drive carriage rotates, it is right to constitute the unloading of turning on one's side in carriage.

Further, first drive assembly includes the drive hydraulic cylinder, it has the hydraulic stem to stretch out and draw back in the drive hydraulic cylinder, the mounting hole has been seted up on the semitrailer chassis, the drive hydraulic cylinder has linked firmly the axis of rotation, the axis of rotation rotate install in the mounting hole, the hydraulic stem rotates with the bottom of front and back self-discharging frame to be connected, the front and back self-discharging frame keeps away from the one end of tractor and rotates through pivot and semitrailer chassis to be connected.

Furthermore, the second driving assembly comprises a brake motor fixedly installed in the fixed box, an output shaft of the brake motor is in transmission connection with a transmission part, the transmission part is in transmission connection with the carriage, and the brake motor transmits power to the carriage through the transmission part to enable the carriage to rotate so as to form side-turning unloading of the carriage.

Further, the transmission part comprises a driving gear coaxially and fixedly mounted with an output shaft of the brake motor, the driving gear is in transmission connection with a driven gear, a side-turning rotating shaft rotatably connected with the fixed box is coaxially and fixedly mounted on the driven gear, and the side-turning rotating shaft is fixedly connected with the bottom end of the carriage.

Furthermore, the end of the side-turning rotating shaft, which is far away from the driven gear, is rotatably connected to a supporting seat, and the supporting seat is fixedly connected to the front and rear self-unloading frames.

Further, the driving gear is in transmission connection with a knocking unit which is used for continuously knocking the side wall of the carriage to enable the carriage to slightly vibrate.

Further, the knocking unit comprises a linkage gear which is meshed with the driving gear and the driven gear respectively, a linkage shaft is coaxially and fixedly arranged on the linkage gear, the linkage shaft is rotatably connected with the fixed box, an inclined plane cylinder is coaxially and fixedly arranged at one end of the fixed box, the end, close to the carriage, of the fixed box is fixedly connected with a horizontal support plate, the bottom end of the horizontal support plate is rotatably connected with a turnover plate, an arc-shaped tension spring is fixedly connected between the bottom end of the horizontal support plate and the turnover plate, a rubber pad is fixedly connected at one end, close to the carriage, of the turnover plate, a stress inclined block with an inclined plane is fixedly connected at one end, far away from the carriage, of the turnover plate, and a convex surface of the inclined plane cylinder is abutted to a convex surface of the stress inclined block under the elasticity of the arc-shaped tension spring.

Furthermore, the top end of the side surface of the carriage is rotatably connected with a side car cover, and the tail part of the carriage is rotatably connected with a rear car cover.

Further, the both sides of side bonnet have linked firmly the locking unit respectively, the locking unit includes first stopper and second stopper, the quantity of first stopper is two, the quantity of second stopper is two, the bottom of side bonnet has linked firmly first locking ring, the bottom in carriage has linked firmly the second locking ring, a locking inserted bar peg graft in first locking ring and the second locking ring and with the two rotate be connected, the top of locking inserted bar has linked firmly horizontal locking lever, horizontal locking lever joint is between two first stoppers, it is right to constitute the locking that the side bonnet was closed, horizontal locking lever joint is between two second stoppers to constitute the removal of closing the locking to the side bonnet.

The beneficial effects are that:

the semi-trailer chassis is provided with front and rear self-unloading frames, the front and rear self-unloading frames are provided with carriages for loading, and a first driving assembly is fixedly arranged between the semi-trailer chassis and the front and rear self-unloading frames; the front and rear self-unloading frames are fixedly provided with the second driving assemblies, the second driving assemblies are in transmission connection with the carriages, and the second driving assemblies drive the carriages to rotate, so that the tipping of the side surfaces of the carriages is realized.

Drawings

The following detailed description of embodiments of the present application is provided in conjunction with the appended drawings, wherein:

in the drawings:

FIG. 1 is a schematic structural diagram of an embodiment of the present invention;

FIG. 2 is an enlarged view taken at A in FIG. 1;

FIG. 3 is an enlarged view at B of FIG. 1;

fig. 4 is a side cross-sectional view of the car coupled to the roll over swivel according to an embodiment of the present invention.

In the figure: 1. a tractor; 2. a semitrailer chassis; 3. front and back self-unloading frames; 4. a carriage; 5. driving the hydraulic cylinder; 6. mounting holes; 7. a rotating shaft; 8. a rotating shaft; 9. a brake motor; 10. a fixed box; 11. a drive gear; 12. a driven gear; 13. a rollover rotation shaft; 14. a supporting seat; 15. a linkage gear; 16. a linkage shaft; 17. a beveled cylinder; 18. a horizontal support plate; 19. a turnover plate; 20. an arc-shaped tension spring; 21. a rubber pad; 22. a stressed inclined block; 23. a side car cover; 24. a rear vehicle cover; 25. a first stopper; 26. a second limiting block; 27. a first locking ring; 28. a second locking ring; 29. locking the inserted rod; 30. a transverse locking bar.

Detailed Description

In order to make those skilled in the art better understand the technical solutions of the embodiments of the present application, the embodiments of the present application are described in detail below with reference to the drawings, and the description in this section is only exemplary and explanatory, and should not have any limiting effect on the scope of the embodiments of the present application.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

It should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings or the orientations or positional relationships that a product of the embodiments of the present application is usually placed in when used, and are only used for convenience of describing the embodiments of the present application and simplifying the description, but do not indicate or imply that the device or element to be referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and therefore, should not be construed as limiting the embodiments of the present application. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.

Furthermore, the terms "horizontal", "vertical", "overhang" and the like do not imply that the components are required to be absolutely horizontal or overhang, but may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.

In the description of the embodiments of the present application, it should also be noted that, unless otherwise explicitly stated or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. Specific meanings of the above terms in the embodiments of the present application can be understood in specific cases by those of ordinary skill in the art.

As shown in fig. 1-4, the present embodiment discloses a dump-type semitrailer, including a semitrailer chassis 2 mounted on a tractor 1, wherein the semitrailer chassis 2 is provided with front and rear self-unloading frames 3, the front and rear self-unloading frames 3 are provided with carriages 4 for loading, a first driving assembly is fixedly mounted between the semitrailer chassis 2 and the front and rear self-unloading frames 3, the first driving assembly of the present embodiment drives the front and rear self-unloading frames 3 to overturn at the tail portion of the semitrailer chassis 2, the front and rear self-unloading frames 3 drive the carriages 4 to overturn at the tail portion of the semitrailer chassis 2, so as to complete the backward overturning of the carriages 4 and the self-unloading of goods; fixed mounting has the second drive assembly from unloading frame 3 around, second drive assembly and 4 transmission in carriage are connected, second drive assembly drive carriage 4 rotates, thereby realize 4 side upset in carriage and unload, this embodiment is through setting up first drive assembly and second drive assembly, can realize 4 backward upsets in carriage, make the goods self-discharging, also can realize 4 side upsets in carriage, make the goods self-discharging, can select to unload efficiency more high-efficiently through which kind of upset according to actual conditions, this embodiment unloading is efficient, it is wide to compare traditional semitrailer application scope, therefore, the clothes hanger is strong in practicability.

In this embodiment, a drive assembly's concrete structure does, a drive assembly includes drive hydraulic cylinder 5, it has the hydraulic stem to stretch out and draw back in the drive hydraulic cylinder 5, mounting hole 6 has been seted up on semi-trailer chassis 2, drive hydraulic cylinder 5 fixedly connected with axis of rotation 7, axis of rotation 7 rotates and installs in mounting hole 6, the hydraulic stem rotates with the bottom of front and back self-discharging frame 3 to be connected, the one end that tractor 1 was kept away from to front and back self-discharging frame 3 rotates through pivot 8 and semi-trailer chassis 2 and connects, this embodiment is flexible through drive hydraulic cylinder 5 drive hydraulic stem, thereby it overturns at the afterbody of semi-trailer chassis 2 to drive front and back self-discharging frame 3, front and back self-discharging frame 3 drives the afterbody of carriage 4 at semi-trailer chassis 2 and overturns, thereby accomplish 4 upsets backward in the carriage, the goods is self-discharging.

In the embodiment, the second driving assembly has a specific structure that the second driving assembly comprises a brake motor 9, the brake motor 9 is fixedly installed in a fixed box 10, the fixed box 10 is fixedly installed on the front and rear self-unloading frames 3, an output shaft of the brake motor 9 is in transmission connection with a transmission part, the transmission part is in transmission connection with the carriage 4, and the brake motor 9 transmits power to the carriage 4 through the transmission part to enable the carriage 4 to rotate, so that the side face of the carriage 4 is turned over, and the goods self-unloading is realized; the transmission part includes drive gear 11, the coaxial fixed assembly of output shaft of drive gear 11 and brake motor 9, drive gear 11 transmission is connected with driven gear 12, driven gear 12 coaxial fixed assembly has the rotation axis of turning on one's side 13, the rotation axis of turning on one's side 13 and fixed case 10 rotate to be connected, the rotation axis of turning on one's side 13 fixed connection is in the bottom of carriage 4, it is specific, the one end that driven gear 12 was kept away from to the rotation axis of turning on one's side 13 rotates and connects on supporting seat 14, supporting seat 14 fixed connection is around from unloading frame 3, this embodiment drives drive gear 11 through drive brake motor 9 and rotates, drive gear 11 drives driven gear 12 and rotates, driven gear 12 drives the rotation axis of turning on one's side 13 rotations, the rotation axis of turning on one's side 13 drives carriage 4 and turns on one's side, thereby realize the side upset of carriage 4, realize the self-discharging of goods.

In the embodiment, the driving gear 11 is in transmission connection with a knocking unit, and the knocking unit is used for continuously knocking the side wall of the front end of the carriage 4 to generate slight vibration on the carriage 4, so that goods in the carriage 4 are more easily separated from the carriage 4, and the rollover unloading efficiency of the carriage 4 is improved; the knocking unit comprises a linkage gear 15 which is respectively in meshing transmission with a driving gear 11 and a driven gear 12, the linkage gear 15 is coaxially and fixedly assembled with a linkage shaft 16, the linkage shaft 16 is rotatably connected with a fixed box 10, one end of the linkage shaft 16, which extends out of the fixed box 10, is coaxially and fixedly assembled with an inclined plane cylinder 17, one end of the fixed box 10, which is close to a carriage 4, is fixedly connected with a horizontal support plate 18, the bottom end of the horizontal support plate 18 is rotatably connected with a turnover plate 19, an arc-shaped tension spring 20 is fixedly connected between the bottom end of the horizontal support plate 18 and the turnover plate 19, one end of the turnover plate 19, which is close to the carriage 4, is fixedly connected with a stress inclined block 22 with an inclined plane, one end of the turnover plate 19, which is far away from the carriage 4, is fixedly connected with a stress inclined block 22 with an inclined plane, a convex plane of the inclined plane cylinder 17 is abutted against a convex plane of the stress inclined block 22 under the elasticity of the arc-shaped tension spring 20, and the rubber block 21 is abutted against the side wall of the carriage 4, this embodiment is when driving brake motor 9 and turning on one's side carriage 4, drive gear 11 drives linkage gear 15 and rotates, linkage gear 15 drives driven gear 12 and rotates, linkage gear 15 drives universal driving shaft 16 rotatory, universal driving shaft 16 drives inclined plane cylinder 17 rotatory, inclined plane cylinder 17 overcomes the elasticity extrusion atress sloping block 22 removal of arc extension spring 20, under the cooperation of arc extension spring 20, make returning face plate 19 at the reciprocal upset in the bottom of horizontal support plate 18, drive rubber pad 21 and strike the front end of railway carriage 4, can make railway carriage 4 take place slight vibrations, improve the unloading effect.

In this embodiment, the top end of the side of the car 4 is rotatably connected with a side car cover 23, the tail of the car 4 is rotatably connected with a rear car cover 24, two sides of the side car cover 23 are respectively and fixedly connected with a locking unit, the locking unit comprises a first limiting block 25 and a second limiting block 26, the number of the first limiting block 25 is two, the number of the second limiting block 26 is two, the bottom end of the side car cover 23 is fixedly connected with a first locking ring 27, the bottom end of the car 4 is fixedly connected with a second locking ring 28, a locking insertion rod 29 is inserted into the first locking ring 27 and the second locking ring 28 and rotatably connected with the first locking ring and the second locking ring, the top end of the locking insertion rod 29 is fixedly connected with a transverse locking rod 30, the transverse locking rod 30 is clamped between the two first limiting blocks 25, so as to realize locking of the side car cover 23, by rotating the transverse locking rod 30, the transverse locking rod 30 is clamped between the two second limiting blocks 26, therefore, the side car cover 23 can be opened, in the embodiment, when the car 4 needs to be unloaded to the side, the locking inserted bar 29 is firstly pulled to leave the second locking ring 28, the transverse locking bar 30 is placed between the two second limiting blocks 26, the side car cover 23 is opened, then the car 4 is subjected to side-turning unloading by starting the brake motor 9, after the unloading is completed, the car 4 is reset by using the brake motor 9, the transverse locking bar 30 is clamped between the two first limiting blocks 25 by rotating the transverse locking bar 30, the locking inserted bar 29 is inserted into the second locking ring 28, and the side car cover 23 is closed and locked.

The above embodiments are only used for illustrating the technical solutions of the present application and not for limiting the same, and any modification or equivalent replacement without departing from the spirit and scope of the embodiments of the present application should be covered within the technical solutions of the present application.

Claims

1. A self-discharging formula semitrailer which characterized in that: including installing the semitrailer chassis on the tractor, be provided with the front and back self-discharging frame on the semitrailer chassis, install the carriage that is used for the loading from the shelf location around, the semitrailer chassis is equipped with the first drive assembly who is used for making the carriage to overturn at the afterbody of semitrailer chassis from between the frame from before and after with, it is equipped with the second drive assembly who is connected with the carriage transmission from before and after to unload admittedly between the frame, second drive assembly drive carriage rotates, it is right to constitute the unloading of turning on one's side of carriage.

2. The dump semi-trailer of claim 1, wherein: first drive assembly includes the drive hydraulic cylinder, it has the hydraulic stem to stretch out and draw back in the drive hydraulic cylinder, the mounting hole has been seted up on the semitrailer chassis, the drive hydraulic cylinder has linked firmly the axis of rotation, the axis of rotation rotate install in the mounting hole, the hydraulic stem rotates with the bottom of front and back self-discharging frame to be connected, the front and back self-discharging frame keeps away from the one end of tractor and rotates through pivot and semitrailer chassis to be connected.

3. The dump semi-trailer of claim 2, wherein: the second driving assembly comprises a brake motor fixedly arranged in the fixed box, an output shaft of the brake motor is in transmission connection with a transmission part, the transmission part is in transmission connection with the carriage, and the brake motor transmits power to the carriage through the transmission part to enable the carriage to rotate so as to realize side-turning unloading of the carriage.

4. The dump semi-trailer of claim 3, wherein: the transmission part comprises a driving gear which is coaxially and fixedly installed with an output shaft of the brake motor, the driving gear is in transmission connection with a driven gear, a side-turning rotating shaft which is rotatably connected with the fixed box is coaxially and fixedly installed on the driven gear, and the side-turning rotating shaft is fixedly connected with the bottom end of the carriage.

5. The dump semi-trailer of claim 4, wherein: one end of the side-turning rotating shaft, which is far away from the driven gear, is rotatably connected to the supporting seat, and the supporting seat is fixedly connected to the front and rear self-unloading frame.

6. The dump semi-trailer of claim 4, wherein: the driving gear is in transmission connection with a knocking unit which is used for continuously knocking the side wall of the carriage to enable the carriage to slightly vibrate.

7. The dump semi-trailer of claim 6, wherein: the knocking unit comprises a linkage gear which is meshed with the driving gear and the driven gear respectively, a linkage shaft is coaxially and fixedly arranged on the linkage gear, the linkage shaft is rotatably connected with the fixed box, the linkage shaft extends out one end of the fixed box is coaxially and fixedly provided with an inclined plane cylinder, one end of the fixed box, which is close to the carriage, is fixedly connected with a horizontal support plate, the bottom end of the horizontal support plate is rotatably connected with a turnover plate, an arc-shaped tension spring is fixedly connected between the bottom end of the horizontal support plate and the turnover plate, one end of the turnover plate, which is close to the carriage, is fixedly connected with a stress oblique block with an inclined plane, and the convex surface of the inclined plane cylinder is abutted against the convex surface of the stress oblique block under the elasticity of the arc-shaped tension spring.

8. The dump semi-trailer of claim 1, wherein: the top end of the side face of the carriage is rotatably connected with a side car cover, and the tail of the carriage is rotatably connected with a rear car cover.

9. The dump semi-trailer of claim 8, wherein: the both sides of side bonnet have linked firmly the locking unit respectively, the locking unit includes first stopper and second stopper, the quantity of first stopper is two, the quantity of second stopper is two, the bottom of side bonnet has linked firmly first locking ring, the bottom in carriage has linked firmly the second locking ring, a locking inserted bar peg graft in first locking ring and second locking ring are interior and rotate with the two and be connected, the top of locking inserted bar has linked firmly horizontal locking lever, horizontal locking lever joint is between two first stoppers, it is right to constitute the locking that the side bonnet was closed, horizontal locking lever joint is between two second stoppers to constitute the removal of closing the locking to the side bonnet.