CN216508070U

CN216508070U - Back door lifting device of self-discharging semitrailer

Info

Publication number: CN216508070U
Application number: CN202122613458.2U
Authority: CN
Inventors: 丁庆柱
Original assignee: Shandong Jinyunma Automobile Manufacturing Co ltd
Current assignee: Shandong Jinyunma Automobile Manufacturing Co ltd
Priority date: 2021-10-28
Filing date: 2021-10-28
Publication date: 2022-05-13
Anticipated expiration: 2031-10-28

Abstract

The utility model discloses a rear door lifting device of a self-discharging semitrailer, which comprises a bottom plate, wherein the upper end surface of the bottom plate is fixedly connected with a carriage, the rear end surface of the carriage is provided with an opening, a door body is arranged in the opening, the side walls of the two sides of the opening are respectively provided with a through groove, lifting mechanisms used for lifting the door body are respectively arranged in the two through grooves, the through grooves are provided with cleaning mechanisms used for cleaning the door body, the bottom plate is internally provided with a linkage mechanism used for linking the two lifting mechanisms, and the side wall of the right side of the bottom plate is provided with a driving mechanism used for driving the linkage mechanism. According to the utility model, the two threaded rods are rotated, so that the moving block drives the connecting block to lift the door body, the automatic lifting effect on the door body is achieved, the condition that goods fall and are damaged is reduced, and then the cleaning brush is used for cleaning dust and impurities on the inner wall of the through groove, so that the condition that the connecting block is clamped in the moving process is avoided.

Description

Back door lifting device of self-discharging semitrailer

Technical Field

The utility model relates to the technical field of self-discharging semitrailers, in particular to a rear door lifting device of a self-discharging semitrailer.

Background

A semitrailer is a trailer with an axle placed behind the center of gravity of the vehicle (when the vehicle is evenly loaded) and equipped with a coupling device that transmits horizontal and vertical forces to the tractor. Semitrailers are generally three-axle semitrailers, and the types of semitrailers are classified into eleven-meter-bin-column semitrailers, thirteen-meter-bin-columns semitrailers, low-bed semitrailers and the like. Is a heavy transport vehicle connected with a semitrailer head through a towing pin.

The back door department of the semi-mounted dump truck in the prior art is mostly a turnover back door, when unloading is needed, a rotating shaft and a clamping handle need to be rotated, and the turnover back door is used for unloading.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the defects in the prior art and provides a rear door lifting device of a self-discharging semitrailer.

In order to achieve the purpose, the utility model adopts the following technical scheme:

the utility model provides a self-discharging semitrailer back door elevating gear, includes the bottom plate, the up end fixedly connected with carriage of bottom plate, the opening has been seted up to the rear end face in carriage, be equipped with a body in the opening, logical groove has all been seted up on the open-ended both sides lateral wall, two it all is equipped with the elevating system who is used for going up and down to the door body to lead to the inslot, it is used for carrying out clear clean mechanism to it to lead to being equipped with on the groove, be equipped with in the bottom plate and be used for carrying out the link gear that links to two elevating system, be equipped with on the right side lateral wall of bottom plate and be used for carrying out driven actuating mechanism to the link gear.

Preferably, the lifting mechanism comprises a threaded rod with one end rotatably connected to the top in the carriage, the end, away from the top in the carriage, of the threaded rod penetrates through the upper end face of the bottom plate and extends into the threaded rod, a moving block matched with the outer wall of the threaded rod is arranged on the outer wall of the threaded rod, the left side wall of the moving block is connected with the inner wall of the carriage in a sliding mode, a connecting block is fixedly connected to the right side wall of the moving block, and the end, away from the moving block, of the connecting block penetrates through the sliding through groove and is fixedly connected to the side wall of the door body.

Preferably, the cleaning mechanism comprises a connecting rod fixedly connected to the upper end face of the moving block, one end of the connecting rod, which is far away from the moving block, is rotatably connected with a cleaning brush, and the cleaning brush is located in the through groove and is in rolling connection with the through groove.

Preferably, the link gear is including seting up the cavity that two symmetries set up in the bottom plate, the one end that the threaded rod extends to the bottom plate runs through the up end and the first bevel gear of fixedly connected with of rotation cavity, run through on the lateral wall of bottom plate right side and rotate the connection with dwang, the one end that the dwang is located the bottom plate runs through and rotates the right side the cavity extends to the left side in the cavity, the dwang is located the equal fixedly connected with second bevel gear in the terminal in outer wall and the left side cavity in the right side cavity, be the engaged state between first bevel gear and the second bevel gear.

Preferably, actuating mechanism includes box on the lateral wall of fixed connection on bottom plate right side, fixedly connected with power motor in the box, the dwang is located the outer one end fixed connection of bottom plate and is terminal at power motor's output shaft.

Preferably, the shape of connecting rod is the L type, the material of connecting rod is 3PE reinforced steel pole.

Preferably, the upper end face of the through groove is provided with a placing groove, the placing groove is semicircular, and the inner bottom of the through groove is elastically connected with the lower end face of the connecting block through elastic cloth.

The utility model has the beneficial effects that:

1. through setting up actuating mechanism, link gear and elevating system, drive the dwang through motor power and rotate, under the meshing effect between rethread first bevel gear and the second bevel gear, make two threaded rods rotate to make the movable block take the connecting block to make the door body rise, reach the automatic rising effect to the door body, reduce the goods and drop and pound the condition appearance that injures.

2. Through setting up clean mechanism, the in-process that the door body rose is taken at the connecting block, and under the effect through the connecting rod, make dust and impurity that the cleaning brush will lead to on the inslot wall clean, avoid the connecting block the in-process that removes to appear the condition of blocking, the setting of elasticity cloth makes the material when self-discharging, blocks that the material gets into logical inslot, causes the influence to the normal operating of device.

Drawings

FIG. 1 is a schematic perspective view of the present invention;

FIG. 2 is a schematic view of the internal structure of the present invention;

FIG. 3 is a schematic side view of the cleaning mechanism of the present invention;

fig. 4 is an enlarged view of the structure at a in fig. 2 according to the present invention.

In the figure: the cleaning device comprises a base plate 1, a carriage 2, a door body 3, a box body 4, a chamber 5, a rotating rod 6, a second bevel gear 7, a first bevel gear 8, a threaded rod 9, a moving block 10, a connecting block 11, a through groove 12, a power motor 13, elastic cloth 14, a connecting rod 15, a cleaning brush 16 and a placing groove 17.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

Referring to fig. 1-3, a dump semi-trailer back door elevating gear, including bottom plate 1, the up end fixedly connected with carriage 2 of bottom plate 1, the opening has been seted up to the rear end face of carriage 2, be equipped with a body 3 in the opening, logical groove 12 has all been seted up on the open-ended both sides lateral wall, all be equipped with the elevating system who is used for going up and down to the body 3 in two logical grooves 12, elevating system includes that one end rotates the threaded rod 9 of connecting at carriage 2 interior top, threaded rod 9 keeps away from the one end at carriage 2 interior top and runs through the up end of bottom plate 1 and extend to inside, be equipped with on the outer wall of threaded rod 9 rather than outer wall matched with movable block 10, the left side lateral wall of movable block 10 and the inner wall sliding connection of carriage 2, fixedly connected with connecting block 11 on the right side lateral wall of movable block 10, the one end that movable block 10 was kept away from to connecting block 11 runs through sliding through logical groove 12 and fixed connection on the lateral wall of body 3.

It is used for carrying out clear clean mechanism to it to lead to be equipped with on groove 12, clean mechanism includes connecting rod 15 of fixed connection at the movable block 10 up end, the one end that the movable block 10 was kept away from to connecting rod 15 is rotated and is connected with cleaning brush 16, cleaning brush 16 is located and leads to the inslot 12 and rather than roll connection, take the in-process that the door body 3 rose at connecting block 11, under the effect through connecting rod 15, make dust and impurity that cleaning brush 16 will lead to on the groove 12 inner wall clean, avoid connecting block 11 the condition that blocks to appear in the in-process that removes.

Be equipped with the link gear that is used for carrying out the linkage to two elevating system in the bottom plate 1, the link gear is including seting up the cavity 5 that two symmetries set up in the bottom plate 1, threaded rod 9 extends to the one end in the bottom plate 1 and runs through the up end and the first bevel gear 8 of fixedly connected with of rotating cavity 5, it is connected with dwang 6 to run through the rotation on the lateral wall of 1 right side of bottom plate, the one end that dwang 6 is located bottom plate 1 runs through and rotates right side cavity 5 and extend to left side cavity 5 in, the terminal equal fixedly connected with second bevel gear 7 of dwang 6 outer wall and left side cavity 5 that is located right side cavity 5, be the engaged state between first bevel gear 8 and the second bevel gear 7.

Be equipped with on the right side lateral wall of bottom plate 1 and be used for carrying out driven actuating mechanism to the link gear, actuating mechanism includes box 4 on 1 right side lateral wall of bottom plate of fixed connection, fixedly connected with motor power 13 in the box 4, dwang 6 is located the output shaft end of motor power 13 of 1 outer one end fixed connection of bottom plate, it rotates to drive dwang 6 through motor power 13, under the meshing between rethread first bevel gear 8 and the second bevel gear 7, make two threaded rods 9 rotate, thereby make the movable block 10 take connecting block 11 to make a body 3 rise, reach the effect to 3 automatic rising of a body, it appears to reduce the condition that the goods dropped and injure by a crashing object.

The shape of connecting rod 15 is the L type, and the material of connecting rod 15 is 3PE and strengthens the steel pole, makes cleaning brush 16 more stable clean logical groove 12.

The upper end face of leading to groove 12 has seted up standing groove 17, and standing groove 17's shape is semi-circular, passes through elastic cloth 14 elastic connection between the interior bottom of leading to groove 12 and the lower terminal surface of connecting block 11, and elastic cloth 14's setting makes the material when self-discharging, blocks that the material gets into leading to the groove 12 in, causes the influence to the normal operating of device.

When the automatic lifting device is used, the power motor 13 is started, the power motor 13 drives the rotating rod 6 to rotate, so that the second bevel gears 7 in the two chambers 5 drive the first bevel gears 8 to rotate, the two first bevel gears 8 drive the two threaded rods 9 to rotate, and the moving block 10 moves on the threaded rods 9 under the matching of the moving block 10 and the outer walls of the threaded rods 9, so that the two connecting blocks 11 drive the door body 3 to move upwards, and the automatic lifting of the door body 3 is realized.

When the moving block 10 drives the connecting block 11 and the door body 3 to move upwards, the cleaning brush 16 is rotated on the inner walls of the two sides of the through groove 12 under the action of the connecting rod 15, so that the surface of the through groove 12 is cleaned, and the elastic cloth 14 is arranged to prevent the material from entering the through groove 12 when the material is self-unloaded, thereby influencing the normal operation of the device.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.

Claims

1. The utility model provides a self-discharging semitrailer back door elevating gear, includes bottom plate (1), its characterized in that, up end fixedly connected with carriage (2) of bottom plate (1), the opening has been seted up to the rear end face of carriage (2), be equipped with a body (3) in the opening, logical groove (12), two have all been seted up on the open-ended both sides lateral wall all be equipped with the elevating system who is used for going on going up and down to a body (3) in leading to groove (12), it is used for carrying out clear clean mechanism to it to be equipped with on leading to groove (12), be equipped with in bottom plate (1) and be used for carrying out the link gear that links to two elevating system, be equipped with on the right side lateral wall of bottom plate (1) and be used for carrying out driven actuating mechanism to link gear.

2. The rear door lifting device of the dump semi-trailer according to claim 1, wherein the lifting mechanism comprises a threaded rod (9) with one end rotatably connected to the inner top of the carriage (2), one end of the threaded rod (9) far away from the inner top of the carriage (2) penetrates through the upper end surface of the bottom plate (1) and extends into the threaded rod, a moving block (10) matched with the outer wall of the threaded rod (9) is arranged on the outer wall of the threaded rod (9), the left side wall of the moving block (10) is slidably connected with the inner wall of the carriage (2), a connecting block (11) is fixedly connected to the right side wall of the moving block (10), and one end of the connecting block (11) far away from the moving block (10) penetrates through the sliding through groove (12) and is fixedly connected to the side wall of the door body (3).

3. The rear door lifting device of the dump semi-trailer according to claim 2, wherein the cleaning mechanism comprises a connecting rod (15) fixedly connected to the upper end surface of the moving block (10), one end of the connecting rod (15) far away from the moving block (10) is rotatably connected with a cleaning brush (16), and the cleaning brush (16) is located in the through groove (12) and is in rolling connection with the through groove.

4. The rear door lifting device of the dump semi-trailer according to claim 3, the linkage mechanism comprises two chambers (5) which are symmetrically arranged and arranged in the bottom plate (1), one end of the threaded rod (9) extending into the bottom plate (1) penetrates through the upper end surface of the rotating chamber (5) and is fixedly connected with a first bevel gear (8), a rotating rod (6) is connected on the side wall of the right side of the bottom plate (1) in a penetrating and rotating way, one end of the rotating rod (6) positioned in the bottom plate (1) penetrates and rotates the cavity (5) at the right side and extends into the cavity (5) at the left side, the outer wall of the rotating rod (6) positioned in the right chamber (5) and the tail end of the rotating rod (6) positioned in the left chamber (5) are fixedly connected with second bevel gears (7), the first bevel gear (8) and the second bevel gear (7) are in a meshed state.

5. The rear door lifting device of the dump semi-trailer according to claim 4, wherein the driving mechanism comprises a box body (4) fixedly connected to the side wall on the right side of the bottom plate (1), a power motor (13) is fixedly connected in the box body (4), and one end of the rotating rod (6) located outside the bottom plate (1) is fixedly connected to the tail end of an output shaft of the power motor (13).

6. The rear door lifting device of the dump semi-trailer according to claim 5, characterized in that the connecting rod (15) is L-shaped, and the material of the connecting rod (15) is 3PE reinforced steel rod.

7. The rear door lifting device of the dump semi-trailer according to claim 6, wherein a placing groove (17) is formed in the upper end surface of the through groove (12), the placing groove (17) is semicircular, and the inner bottom of the through groove (12) is elastically connected with the lower end surface of the connecting block (11) through an elastic cloth (14).