CN216994051U

CN216994051U - Horizontal pushing type self-discharging trailer

Info

Publication number: CN216994051U
Application number: CN202220160584.9U
Authority: CN
Inventors: 秦换楠; 张海朝; 宋志凯; 黄志成; 张鑫; 王博
Original assignee: Tianjin Tezhilu R & D Co ltd; Heilongjiang Zhongxing Machinery Equipment Co ltd
Current assignee: Tianjin Tezhilu R & D Co ltd; Heilongjiang Zhongxing Machinery Equipment Co ltd
Priority date: 2022-01-21
Filing date: 2022-01-21
Publication date: 2022-07-19
Anticipated expiration: 2032-01-21

Abstract

The utility model discloses a flat push type self-unloading trailer which comprises a carriage, wherein a pushing mechanism for unloading and a driving mechanism for driving the pushing mechanism to act are arranged on a bottom plate of the carriage; the pushing mechanism comprises a driving roller and a driven roller which are arranged at two ends of the bottom plate and are vertical to the length direction of the carriage, driving chain wheels which are rotatably arranged at two ends of the driving roller, driven chain wheels which are rotatably arranged at two ends of the driven roller and are in one-to-one correspondence with the two driving chain wheels, two transmission chains arranged between the driving chain wheels and the driven chain wheels, and a plurality of flat push plates arranged between the two transmission chains at intervals; the driven roller penetrates out of the driven chain wheel and is connected with a tensioning mechanism. The utility model realizes the automatic unloading of the raw materials by driving the flat push plate through the transmission chain, and improves the practicability of the flat push type self-discharging trailer. The hydraulic motors are connected in series to achieve synchronization of the hydraulic motors on two sides and avoid the problem that the unloaded side rotates all the time and the unloaded side does not unload.

Description

Horizontal pushing type self-discharging trailer

Technical Field

The utility model relates to the technical field of trailers, in particular to a flat push type self-unloading trailer.

Background

A trailer is a trailer in which the axle is placed behind the center of gravity of the vehicle and which is equipped with a coupling device that can transmit horizontal and vertical forces to the tractor. The existing self-discharging semitrailer mainly comprises a backward-turning self-discharging semitrailer and a side-turning self-discharging semitrailer, wherein the backward-turning self-discharging semitrailer and the side-turning self-discharging semitrailer lift the front end or one side of a carriage through a lifting mechanism, so that the front end or one side of the carriage is lifted to a certain height to incline, thereby realizing the self-discharging function, but when the front end or one side of the carriage is lifted, a certain space is required above the self-discharging semitrailer for accommodating turning of the carriage, and meanwhile, a certain space is required below the self-discharging semitrailer for accommodating raw materials.

Disclosure of Invention

The utility model aims to solve the defects in the prior art and provides a flat push type dump trailer.

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

a flat push type self-discharging trailer comprises a carriage, wherein a pushing mechanism for discharging and a driving mechanism for driving the pushing mechanism to act are arranged on a bottom plate of the carriage; the pushing mechanism comprises a driving roller and a driven roller which are arranged at two ends of the bottom plate and are vertical to the length direction of the carriage, driving chain wheels which are rotatably arranged at two ends of the driving roller, driven chain wheels which are rotatably arranged at two ends of the driven roller and are in one-to-one correspondence with the two driving chain wheels, two transmission chains arranged between the driving chain wheels and the driven chain wheels, and a plurality of flat push plates arranged between the two transmission chains at intervals; the driven roller penetrates out of the driven chain wheel and is connected with a tensioning mechanism, the tensioning mechanism comprises a connecting rod vertically connected with the driven roller, a first clamping seat and a second clamping seat are sleeved outside the connecting rod penetrating out of a front frame of the carriage, and a spring is sleeved on the connecting rod and located between the first clamping seat and the second clamping seat.

Preferably, the flat push plate is fixed on the transmission chain by a butterfly pin.

Further preferably, grooves for accommodating the transmission chains are formed in two sides of the bottom plate in the length direction.

Further preferably, the bottom plate comprises a left bottom plate and a right bottom plate, and the left bottom plate and the right bottom plate are tiled along the width direction of the carriage.

Further preferably, the driving mechanism comprises hydraulic motors which are close to one ends of the left frame and the right frame of the carriage and are connected with the driving rollers through speed reducers.

Further preferably, the carriage sets up the front end that is used for installing the tractor along its length direction's one end, and the other end sets up to the tail end, the tail end of carriage is seted up with the opening of carriage looks adaptation, the carriage is provided with the back door rather than the looks adaptation at the opening part, the carriage with be provided with between the back door and be used for the drive the locking mechanism of back door.

Further preferably, the carriage tail end frame top left and right sides is provided with the back door opening connecting arm, the carriage tail end frame left and right sides all is equipped with two back door hydro-cylinders, every back door hydro-cylinder one end and one the back door opening connecting arm is articulated, the other end articulated connect in on the boss the carriage tail end frame left and right sides.

Further preferably, the first clamping seat is fixedly connected with the connecting rod, and the second clamping seat is movably connected with the connecting rod.

Further preferably, a sliding block is sleeved on the connecting rod between the inner wall of the carriage front frame and the driven roller.

Compared with the prior art, the utility model has the beneficial effects that:

1. according to the horizontal push type self-discharging trailer, the horizontal push plate is driven by the transmission chain, so that the automatic discharging of raw materials is realized, and the practicability of the horizontal push type self-discharging trailer is improved.

2. By arranging the tensioning mechanism between the carriage and the pushing mechanism, the use stability of the transmission chain is improved.

3. The hydraulic motors are connected in series to achieve synchronization of the hydraulic motors on two sides and avoid the problem that the unloaded side rotates all the time and the unloaded side does not unload.

Drawings

Fig. 1 to 3 are overall structural schematic views of the present embodiment;

FIG. 4 is an enlarged view of portion A of FIG. 2;

FIG. 5 is a schematic view of the pushing mechanism in the present embodiment;

FIG. 6 is a diagram showing the positional relationship between the flat push plate and the butterfly pin in the present embodiment;

FIG. 7 is an enlarged view of portion B of FIG. 3;

FIG. 8 is a diagram showing the positional relationship between the back door, the connecting arm, and the back door cylinder in the embodiment.

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.

As shown in fig. 1 to 3, a flat push type dump trailer includes a body 10, and a pushing mechanism for unloading and a driving mechanism 30 for driving the pushing mechanism are provided on a floor 11 of the body 10.

As shown in fig. 2 and 4, grooves 12 for accommodating and guiding the driving chain 23 are formed along both sides of the bottom plate 11 in the length direction. In this embodiment, the bottom plate 11 includes a left bottom plate 111 and a right bottom plate 112, and is formed by tiling in the width direction of the car 10, and the left bottom plate 111 and the right bottom plate 112 in this embodiment are both provided with the pushing mechanism.

As shown in fig. 5 and 6, the pushing mechanism includes a driving roller 21 and a driven roller 22 disposed at two ends of the bottom plate 11 and perpendicular to the length direction of the car 10, driving sprockets 211 rotatably disposed at two ends of the driving roller 21, driven sprockets 221 rotatably disposed at two ends of the driven roller 22 and corresponding to the two driving sprockets 211 one by one, two driving chains 23 disposed between the driving sprockets 211 and the driven sprockets 221, and a plurality of flat push plates 24 disposed at intervals between the two driving chains 23.

In this embodiment, the flat push plate 24 is fixed on the transmission chain 23 by using the butterfly pin 241, the structure of the flat push plate 24 in this embodiment is an airfoil plate, the transmission chain 23 is a ring chain welded to each other, and the airfoil plate is fixed on a vertical ring of the ring chain by using the butterfly pin, so that the flat push plate 24, the butterfly pin 241 and the transmission chain 23 have a movement amount therebetween, and thus, the torsion and impact stress can be better borne, the service life is longer, and the airfoil plate has higher structural rigidity and strength, and the service life can be better prolonged.

In this embodiment, in order to improve the stability of the transmission chain 23 and the auxiliary transmission chain 23, as shown in fig. 3 and 6, the driven roller 22 penetrates through the driven sprocket 221 and is connected to a tensioning mechanism 50; the tensioning mechanism 50 includes a connecting rod 51 vertically connected to the driven roller 22, a first clamping seat 52 and a second clamping seat 53 are sleeved outside the connecting rod 51 penetrating through the front frame of the carriage 10, a spring 54 is sleeved on the connecting rod 51 and located between the first clamping seat 52 and the second clamping seat 53, the first clamping seat 52 is fixedly connected to the connecting rod 51, and the second clamping seat 53 is movably connected to the connecting rod 51.

In this embodiment, the bottom of the front ends of the left and right frames of the carriage 10 are both provided with a long groove (not shown), the driven roller 22 penetrates through the long groove to connect with the tensioning mechanism, the length of the long groove is greater than that of the guide block 95, and the driven roller 22 can move in the long groove.

In this embodiment, the connecting rod 51 drives the driven roller 22 to move back and forth in the elongated slot by stretching and compressing the spring 54, so as to tension the transmission chain.

As shown in fig. 5 and 7, the driving mechanism 30 includes hydraulic motors 32 connected to the drive rollers 21 through speed reducers 31 near one ends of the left and right frames of the vehicle body 10.

In this embodiment, the hydraulic motor 32 at the left base plate 111 and the hydraulic motor 32 at the right base plate 112 are connected in series to achieve synchronization of the hydraulic motors at both sides and avoid the problem that the unloaded side of the chain rotates all the time, while the unloaded side of the chain does not unload.

In this embodiment, the two hydraulic motors 32 are connected in series with a shunt valve in the tractor, wherein the shunt valve is connected to an operating handle output after the tractor in a signal manner, and a driver controls the shunt valve to drive the hydraulic motors 32 to start and stop by operating the operating handle.

The raw materials place in on the bottom plate 11, when needs are unloaded, the driver controls the shunt valve drive through operating handle hydraulic motor 32's function, hydraulic motor 32 drives drive roll 21 rotates, drive roll 21 drives drive sprocket 211 rotates, drive sprocket 211 drives drive chain 23 rotates, drive chain 23 drives driven sprocket 221 rotates, simultaneously drive chain 23 drives flat push pedal 24 removes, flat push pedal 24 drives the raw materials removal on the bottom plate to make the raw materials landing from bottom plate 11, thereby realize the automatic of flat push formula self-discharging trailer and unload, owing to adopt flat push pedal 24 to drive the raw materials and remove, need not turn over the carriage 10 backward or turn on one's side, consequently not receive the restriction of high space, improved the practicality of flat push formula self-discharging trailer.

In this embodiment, as shown in fig. 8, one end of the carriage 10 along the length direction thereof is set as a front end for installing a tractor, and the other end is set as a tail end, the tail end of the carriage 10 is provided with an opening adapted to the carriage 10, the carriage 10 is provided with a back door 13 adapted to the opening at the opening, and a locking mechanism 40 for locking the back door 13 is arranged between the carriage 10 and the back door 13.

The locking mechanism 40 in this embodiment includes locking hooks 401 located on two sides of the rear door 13, and locking columns 402 located on left and right frames at the tail end of the car 10 and matched with the locking hooks 401, wherein one side of the locking hooks 401 contacting the locking columns 402 is of an arc structure and is tangent to the outer surfaces of the locking columns 402.

In this embodiment, the left and right sides of the top of the tail end frame of the carriage 10 are provided with connecting arms 41, the left and right sides of the tail end frame of the carriage 10 are provided with two rear door cylinders 42, one end of each rear door cylinder 42 is hinged to one of the connecting arms 41, and the other end of each rear door cylinder 42 is hinged to the bosses 14 on the left and right sides of the tail end frame of the carriage 10.

When the door needs to be opened (closed), the rear door oil cylinder 42 pushes the connecting arm 41 to wind the connecting position of the carriage 10 and the connecting arm 41 to rotate upwards (downwards), the connecting arm 41 rotates and simultaneously drives the rear door 13 to rotate upwards (downwards), so that the locking hook 401 is completely separated (locked) from the locking column 402, the rear door oil cylinder 42 continues to push the connecting arm 401 to drive the rear door 13 to rotate upwards, and the door opening (closing) operation of the rear door 13 is realized.

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 the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

Claims

1. A flat push type self-discharging trailer comprises a carriage (10) and is characterized in that,

a pushing mechanism for unloading and a driving mechanism (30) for driving the pushing mechanism to act are arranged on a bottom plate (11) of the carriage (10);

the pushing mechanism comprises a driving roller (21) and a driven roller (22) which are arranged at two ends of the bottom plate (11) and are vertical to the length direction of the carriage (10), driving chain wheels (211) which are rotatably arranged at two ends of the driving roller (21), driven chain wheels (221) which are rotatably arranged at two ends of the driven roller (22) and are in one-to-one correspondence with the two driving chain wheels (211), two transmission chains (23) which are arranged between the driving chain wheels (211) and the driven chain wheels (221), and a plurality of flat push plates (24) which are arranged between the two transmission chains (23) at intervals;

the driven roller (22) penetrates through the driven chain wheel (221) to be connected with a tensioning mechanism (50), the tensioning mechanism (50) comprises a connecting rod (51) vertically connected with the driven roller (22), a first clamping seat (52) and a second clamping seat (53) are sleeved outside the connecting rod (51) penetrating through a front frame of the carriage (10), and a spring (54) sleeved on the connecting rod (51) and located between the first clamping seat (52) and the second clamping seat (53) is arranged.

2. The flat push dump trailer according to claim 1, wherein the flat push plate (24) is fixed to the drive chain (23) with a butterfly pin (241).

3. The flat push type dump trailer according to claim 2, wherein grooves (12) for accommodating the driving chains (23) are formed along both sides of the bottom plate (11) in the length direction.

4. The flat push dump trailer according to claim 3, wherein the bottom plate (11) comprises a left bottom plate (111) and a right bottom plate (112) which are laid flat in the width direction of the vehicle body (10).

5. The flat push dump trailer according to claim 4, wherein the driving mechanism (30) comprises a hydraulic motor (32) connected to the driving roller (21) through a speed reducer (31) near one end of the left and right frames of the car body (10).

6. The flat push type dump trailer according to claim 5, wherein one end of the carriage (10) along the length direction thereof is provided as a front end for installing a tractor, the other end thereof is provided as a tail end, the tail end of the carriage (10) is provided with an opening adapted to the carriage (10), the carriage (10) is provided with a rear door (13) adapted to the opening at the opening, and a locking mechanism (40) for driving the rear door (13) is arranged between the carriage (10) and the rear door (13).

7. The flat push type dump trailer according to claim 6, wherein the rear door opening connecting arms (41) are arranged on the left and right sides of the top of the tail end frame of the carriage (10), two rear door cylinders (42) are arranged on the left and right sides of the tail end frame of the carriage (10), one end of each rear door cylinder (42) is hinged to one rear door opening connecting arm (41), and the other end of each rear door cylinder is hinged to the bosses (14) on the left and right sides of the tail end frame of the carriage (10).

8. The flat push dump trailer according to claim 1, wherein the first socket (52) is fixedly connected with the connecting rod (51), and the second socket (53) is movably connected with the connecting rod (51).

9. The flat push dump trailer according to claim 8, wherein a slider (55) is sleeved on the connecting rod (51) between the inner wall of the front frame of the carriage (10) and the driven roller (22).