CN216101741U

CN216101741U - Self-sealing-based dumper device

Info

Publication number: CN216101741U
Application number: CN202122674426.3U
Authority: CN
Inventors: 叶红霞; 郝学斌; 刘圣杰; 王嘉豪; 李长寅; 霍吉峰; 李士超
Original assignee: China National Heavy Duty Truck Group Taian Wuyue Special Vehicle Co Ltd
Current assignee: China National Heavy Duty Truck Group Taian Wuyue Special Vehicle Co Ltd
Priority date: 2021-11-03
Filing date: 2021-11-03
Publication date: 2022-03-22
Anticipated expiration: 2031-11-03

Abstract

The utility model provides a tipper device based on self sealss, include and be used for having tipper body (1) of railway carriage (12), lid shell (7) of setting on railway carriage (12), the link mechanism of setting between lid shell (7) and railway carriage (12), the thrust part of setting on link mechanism, through tipper body (1), the transportation to the goods has been realized, through lid shell (7), the processing of closing cap has been realized to railway carriage (12), through link mechanism and thrust part, realized carrying out the lifting to lid shell (7) and passed the motion, the goods loading mouth to railway carriage (12) has been realized and has been carried out power switching and handle, consequently, the sealing performance to railway carriage (12) has been improved.

Description

Self-sealing-based dumper device

Technical Field

The utility model relates to a self-discharging vehicle device, in particular to a self-sealing-based self-discharging vehicle device.

Background

The self-sealing-based self-discharging vehicle is an important transportation vehicle because the self-discharging vehicle is convenient to load and unload goods, large in load capacity, safe and reliable and always is the dominant vehicle type of an engineering vehicle, and a sealing device needs to be installed on a carriage in order to prevent transported goods such as silt and stone from falling off, in the existing self-sealing-based self-discharging vehicle, because the road where the self-discharging vehicle runs is mostly in severe areas such as a construction site and a mining area, goods such as silt and stone which are transported due to jolting and the like are difficult to fall off in the running process, and when wind exists or the vehicle is blown by itself, dust is scattered with the wind to cause air pollution, the carriage is covered by tarpaulin manually in the prior art, and because the opening of the carriage is in a high position state and the covering area is large, the sealing performance of the carriage is influenced,

the technical scheme of the utility model is made based on the technical book of filing of the present application, which is provided by the applicant in 10/2021 and has the function of solving the actual technical problems in the working process, and the technical problems, technical features and technical effects existing in the similar patent documents and the background art are obtained through searching.

Disclosure of Invention

The utility model aims to provide a self-sealing-based dumper device.

In order to overcome the technical defects, the utility model aims to provide a self-sealing-based dumper device, so that the sealing performance of a carriage is improved.

In order to achieve the purpose, the utility model adopts the technical scheme that: comprises a self-dumping truck body with a truck bed, a cover shell arranged on the truck bed, a link mechanism arranged between the cover shell and the truck bed, and a thrust component arranged on the link mechanism.

Due to the design of the dumper body, the cover shell, the connecting rod mechanism and the thrust part, goods are transported through the dumper body, the cover shell is used for sealing the wagon box, the connecting rod mechanism and the thrust part are used for lifting and pushing the cover shell, and the goods loading port of the wagon box is subjected to power opening and closing treatment, so that the sealing performance of the wagon box is improved.

The utility model designs that the self-dumping truck body, the cover shell, the link mechanism and the thrust part are mutually connected in a mode of carrying out power opening and closing treatment on the goods loading port.

The utility model designs that the connecting rod mechanism and the thrust part are connected with the self-dumping truck body and the cover shell in a mode of realizing power opening and closing treatment on the goods loading port through lifting and pushing movement.

The utility model designs that the connecting rod mechanism comprises a rear rotating arm and a front rotating arm.

The utility model designs that the thrust component comprises an operating valve group and a rear telescopic cylinder.

The technical effects of the five technical schemes are as follows: the cover shell is driven by the connecting rod structure to stably move on the carriage.

The utility model designs that a rear rotating arm and a front rotating arm are respectively arranged on a dumper body, a rear telescopic cylinder is arranged between the rear rotating arm and the dumper body, an operating valve group is arranged between the rear telescopic cylinder and the dumper body, and cover shells are arranged on the rear rotating arm and the front rotating arm.

The technical effects of the technical scheme are as follows: the basic technical scheme of the utility model is formed by the dumper body, the control valve group, the rear telescopic cylinder, the rear rotating arm, the front rotating arm and the cover shell, and the technical problem of the utility model is solved.

The utility model designs a dumper body which comprises a motor chassis, a wagon box, a front telescopic cylinder and an auxiliary frame, wherein the motor chassis is connected with the auxiliary frame, the rear end of the auxiliary frame is connected with the rear part of the end surface of the lower end of the wagon box through a pin shaft, the front end of the auxiliary frame is connected with one end of the front telescopic cylinder through a pin shaft, the other end of the front telescopic cylinder is connected with the upper part of the front end surface of the wagon box through a pin shaft, the opening part of the hydraulic output end of the motor chassis is connected with an operation valve group, the rear side part of the end surface of the lower end of the wagon box is connected with the rear telescopic cylinder through a pin shaft, the front side part of the end surface of the lower end of the wagon box is connected with the front rotary arm through a pin shaft, the middle side part of the end surface of the lower end of the wagon box is connected with the rear rotary arm through a pin shaft, and the opening part of the wagon box is connected with a cover shell in a contact way, the motor-driven chassis is arranged to be a 6 x 4 chassis, the carriage is arranged to be a rectangular box-shaped body, the front telescopic cylinder is arranged to be a multi-section telescopic cylinder, and the auxiliary frame is arranged to be a ladder-shaped frame-shaped body.

The technical effects of the technical scheme are as follows: the arrangement of the large-tonnage dump truck is realized, and the transportation efficiency is improved.

The utility model designs that the cover shell comprises a cover part, a second lug seat part and a third lug seat part, the rear side part of the upper end surface of the cover part is connected with the second lug seat part, the middle side part of the upper end surface of the cover part is connected with the third lug seat part, the second lug seat part is connected with the rear rotating arm through a pin shaft, the third lug seat part is connected with the front rotating arm through a pin shaft and is connected with the dumper body in a contact way, the cover part is a plate-shaped body with a sealing strip on the side part, and the second lug seat part and the third lug seat part are double-plate lug seats.

The technical effects of the technical scheme are as follows: the cover body of the external connecting seat is arranged, and the overall strength of the cover shell is improved.

The utility model designs that the rear rotating arm is provided with a first arm part, a second arm part and a first ear seat part, one end head of the first arm part is connected with one end head of the second arm part, the middle part of the second arm part is connected with the first ear seat part, the first ear seat part is connected with the rear telescopic cylinder through a pin shaft, the other end head of the first arm part is connected with the cover shell through a pin shaft, the other end head of the second arm part is connected with the dumper body through a pin shaft, the first arm part and the second arm part are respectively provided with a strip-shaped body, the included angle alpha between the center line of the first arm part and the center line of the second arm part is set to be 140 plus 160 degrees, and the first ear seat part is provided with a double-plate ear seat.

The utility model designs that the prepositive rotating arm is provided with a third arm part and a fourth arm part, one end head of the third arm part is provided to be coupled with one end head of the fourth arm part, the other end head of the third arm part is provided to be coupled with the cover shell through a pin shaft, the other end head of the fourth arm part is provided to be coupled with the self-dumping truck body through the pin shaft, the third arm part and the fourth arm part are respectively provided as a strip-shaped body, and an included angle beta between the central line of the third arm part and the central line of the fourth arm part is set to be 140 degrees and 160 degrees.

The technical effects of the two technical schemes are as follows: the movement of the four-connecting-rod system is realized, and the reliability of the horizontal pushing movement of the cover shell is improved.

The utility model designs that an operation valve group comprises a three-position four-way reversing valve, a first one-way throttle valve, a second one-way throttle valve and a balance valve, wherein a power liquid input interface of the three-position four-way reversing valve is connected with a hydraulic output port of a dumper body, a power liquid output interface of the three-position four-way reversing valve is connected with the power liquid input interface of the balance valve through the first one-way throttle valve, a power liquid output interface of the balance valve is connected with a hydraulic input port of a rear telescopic cylinder, a hydraulic output port of the rear telescopic cylinder is connected with an oil return input interface of the balance valve, an oil return output interface of the balance valve is connected with an oil return input interface of the three-position four-way reversing valve through the second one-way throttle valve, an oil return output interface of the three-position four-way reversing valve is connected with a hydraulic oil tank in a communicating manner, and a shell of the three-position four-way reversing valve, The shell of the first one-way throttle valve, the shell of the second one-way throttle valve and the shell of the balance valve are respectively connected with the dumper body.

The utility model designs that the rear telescopic cylinder comprises a first telescopic cylinder part and a second telescopic cylinder part, a hydraulic port part of the first telescopic cylinder part and a hydraulic port part of the second telescopic cylinder part are respectively connected with an operating valve group, one end head of the first telescopic cylinder part and one end head of the second telescopic cylinder part are respectively connected with the dumper body through a pin shaft, the other end head of the first telescopic cylinder part and the other end head of the second telescopic cylinder part are respectively connected with a rear rotating arm through a pin shaft, and the first telescopic cylinder part and the second telescopic cylinder part are respectively arranged into a two-section telescopic cylinder.

The technical effects of the two technical schemes are as follows: the arrangement of external hydraulic power is realized, and the stability of the horizontal pushing movement of the cover shell is improved.

The utility model designs a dumper body, a cover shell, an operating valve group, a rear telescopic cylinder, a rear rotary arm and a front rotary arm which are distributed in a turnover sealing mode, wherein the rear rotary arm and the front rotary arm are arranged to form a group of double-rod components, one group of double-rod components is arranged between a first telescopic cylinder part and a wagon box, one group of double-rod components is arranged between a second telescopic cylinder part and the wagon box, a second lug seat part is arranged to be connected with a first arm part, a third lug seat part is arranged to be connected with a third arm part, a cover part, a fourth arm part, a second arm part, a first telescopic cylinder part and a second telescopic cylinder part are respectively arranged to be connected with the wagon box, the first lug seat part is respectively arranged to be connected with the first telescopic cylinder part and the second telescopic cylinder part, and the first telescopic cylinder part and the second telescopic cylinder part are respectively arranged to be connected with a balance valve.

In the technical scheme, the dumper body and the cover shell are basic components and are also necessary technical characteristics of the utility model, the control valve group, the rear telescopic cylinder, the rear rotary arm and the front rotary arm are functional components, and the utility model is characterized by realizing other technical effects of the utility model.

In the technical scheme, the dumper body, the cover shell, the link mechanism and the thrust member which perform power opening and closing treatment on the goods loading port are important technical characteristics, and have novelty, creativity and practicability in the technical field of dumper devices based on self-sealing, and terms in the technical scheme can be explained and understood by patent documents in the technical field.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

Figure 1 is a schematic view of the present invention,

figure 2 is a schematic view of the open state of the lid housing 7 of the present invention,

fig. 3 is a schematic view of the dump truck body 1 in the unloading state of the utility model,

figure 4 is a view of the connection between the pilot valve block 3 and the rear telescopic cylinder 4,

the self-dumping truck comprises a self-dumping truck body-1, an operating valve group-3, a rear telescopic cylinder-4, a rear rotary arm-5, a front rotary arm-6, a cover shell-7, a motor chassis-11, a compartment-12, a front telescopic cylinder-13, an auxiliary frame-14, a three-position four-way reversing valve-31, a first one-way throttle valve-32, a second one-way throttle valve-33, a balance valve-34, a first telescopic cylinder part-41, a second telescopic cylinder part-42, a first arm part-51, a second arm part-52, a first lug part-53, a third arm part-61, a fourth arm part-62, a cover part-71, a second lug part-72 and a third lug part-73.

Detailed Description

Terms such as "having," "including," and "comprising," as used with respect to the present invention, are to be understood as not specifying the presence or addition of one or more other elements or combinations thereof, in accordance with the examination guidelines.

In the description of the present invention, 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, and are only for convenience of description and simplicity of description, but 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. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In addition, the technical features mentioned in the different embodiments of the present invention described below can be combined with each other as long as they do not conflict with each other, and further, unless otherwise specified, the equipments and materials used in the following examples are commercially available, and if the processing conditions are not explicitly specified, please refer to the commercially available product specifications or follow the conventional method in the art.

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. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Fig. 1 is one of the first embodiments of the present invention, which is specifically described with reference to the accompanying drawings, and includes a dump truck body 1, a control valve set 3, a rear telescopic cylinder 4, a rear rotary arm 5, a front rotary arm 6, and a cover case 7, wherein the dump truck body 1 is provided with the rear rotary arm 5 and the front rotary arm 6, the rear telescopic cylinder 4 is provided between the rear rotary arm 5 and the dump truck body 1, the control valve set 3 is provided between the rear telescopic cylinder 4 and the dump truck body 1, and the rear rotary arm 5 and the front rotary arm 6 are provided with the cover case 7.

In this embodiment, the dump truck body 1 is configured to include a motor-driven chassis 11, a truck bed 12, a front telescopic cylinder 13 and a sub-frame 14, and the motor-driven chassis 11 is configured to be coupled to the sub-frame 14, a rear end of the sub-frame 14 is configured to be coupled to a rear portion of a lower end face of the truck bed 12 through a pin shaft, a front end of the sub-frame 14 is configured to be coupled to one end of the front telescopic cylinder 13 through a pin shaft, another end of the front telescopic cylinder 13 is configured to be coupled to an upper portion of a front end face of the truck bed 12 through a pin shaft, and a hydraulic output port portion of the motor-driven chassis 11 is configured to be coupled to the control valve group 3, a rear side portion of a lower end face of the truck bed 12 is configured to be coupled to the rear telescopic cylinder 4 through a pin shaft, a front side portion of the lower end face of the truck bed 12 is configured to be coupled to the front rotary arm 6 through a pin shaft, a middle side portion of the lower end face of the truck bed 12 is configured to be coupled to the rear rotary arm 5 through a pin shaft, and an open portion of the truck bed 12 is configured to be coupled to be in contact with the cover shell 7, the motor vehicle chassis 11 is provided as a 6 × 4 chassis and the vehicle cabin 12 is provided as a rectangular box-shaped body, the front telescopic cylinder 13 is provided as a multi-stage telescopic cylinder and the sub-frame 14 is provided as a ladder-shaped frame-shaped body.

Through tipper body 1, formed to control valves 3, rearmounted telescopic cylinder 4, rearmounted rotor arm 5, the support tie point of leading rotor arm 6 and lid shell 7, by motor-driven chassis 11, realized being connected with control valves 3, by railway carriage 12, realized being connected with rearmounted telescopic cylinder 4, realized being connected with rearmounted rotor arm 5, realized being connected with leading rotor arm 6, realized being connected with lid shell 7, by leading telescopic cylinder 13, realized carrying out the upset processing to railway carriage 12 on sub vehicle frame 14, by sub vehicle frame 14, realized being connected between railway carriage 12 and leading telescopic cylinder 13 and the motor-driven chassis 11 and handled, its technical aim at: used as a support carrier for the operating valve group 3, the rear telescopic cylinder 4, the rear rotating arm 5 and the front rotating arm 6.

In this embodiment, the operation valve set 3 is configured to include a three-position four-way reversing valve 31, a first one-way throttle valve 32, a second one-way throttle valve 33 and a balance valve 34, and a power fluid input interface of the three-position four-way reversing valve 31 is configured to be connected to a hydraulic output port of the dump truck body 1, a power fluid output interface of the three-position four-way reversing valve 31 is configured to be connected to a power fluid input interface of the balance valve 34 through the first one-way throttle valve 32 and a power fluid output interface of the balance valve 34 is configured to be connected to a hydraulic input port of the rear telescopic cylinder 4, a hydraulic output port of the rear telescopic cylinder 4 is configured to be connected to an oil return input interface of the balance valve 34, an oil return output interface of the balance valve 34 is configured to be connected to an oil return input interface of the three-position four-way reversing valve 31 through the second one-way throttle valve 33, an oil return output interface of the three-position four-way reversing valve 31 is configured to be connected to a hydraulic oil tank and a housing of the three-position four-way reversing valve 31, The housing of the first one-way throttle valve 32, the housing of the second one-way throttle valve 33, and the housing of the balance valve 34 are respectively provided to be coupled with the dump truck body 1.

Through the operating valve group 3, the support connection point of the dumper body 1 and the rear telescopic cylinder 4 is formed, the connection with the dumper body 1 is realized by the three-position four-way reversing valve 31, the first one-way throttle valve 32, the second one-way throttle valve 33 and the balance valve 34, the connection with the rear telescopic cylinder 4 is realized by the balance valve 34, and the technical purpose is that: as a means for controlling the operating state of the rear telescopic cylinder 4.

In this embodiment, the rear telescopic cylinder 4 is configured to include a first telescopic cylinder portion 41 and a second telescopic cylinder portion 42, and a hydraulic port portion of the first telescopic cylinder portion 41 and a hydraulic port portion of the second telescopic cylinder portion 42 are respectively configured to be coupled to the control valve group 3, one end of the first telescopic cylinder portion 41 and one end of the second telescopic cylinder portion 42 are respectively configured to be coupled to the dump truck body 1 through a pin shaft, the other end of the first telescopic cylinder portion 41 and the other end of the second telescopic cylinder portion 42 are respectively configured to be coupled to the rear swing arm 5 through a pin shaft, and the first telescopic cylinder portion 41 and the second telescopic cylinder portion 42 are respectively configured to be two-joint telescopic cylinders.

Through rearmounted telescopic cylinder 4, formed the support tie point to tipper body 1, control valve group 3 and rearmounted rotor arm 5, by first flexible cylinder portion 41 and second flexible cylinder portion 42, realized being connected with tipper body 1, realized being connected with control valve group 3, realized being connected with rearmounted rotor arm 5, its technical aim at: the rear rotating arm 5 is used as a component for driving the dumper body 1 to rotate.

In the present embodiment, the rear swing arm 5 is configured to include a first arm portion 51, a second arm portion 52, and a first lug portion 53, and one end of the first arm portion 51 is configured to be coupled to one end of the second arm portion 52, the middle portion of the second arm portion 52 is configured to be coupled to the first lug portion 53 and the first lug portion 53 is configured to be coupled to the rear telescopic cylinder 4 by a pin, the other end of the first arm portion 51 is configured to be coupled to the cover case 7 by a pin and the other end of the second arm portion 52 is configured to be coupled to the dump truck body 1 by a pin, the first arm portion 51 and the second arm portion 52 are respectively configured to be bar-shaped bodies and an included angle α between a center line of the first arm portion 51 and a center line of the second arm portion 52 is configured to be 140 and 160 °, and the first lug portion 53 is configured to be a double-plate lug.

The rear rotating arm 5 forms a supporting connection point for the dumper body 1, the rear telescopic cylinder 4 and the cover shell 7, the second arm part 52 realizes connection with the dumper body 1, the first lug part 53 realizes connection with the rear telescopic cylinder 4, and the first arm part 51 realizes connection with the cover shell 7, and the technical aim is that: is used as one of the parts of the connecting rod mechanism which is formed by the dumper body 1, the front rotating arm 6 and the cover shell 7.

In the present embodiment, the front swing arm 6 is configured to include a third arm portion 61 and a fourth arm portion 62, and one end of the third arm portion 61 is configured to be coupled with one end of the fourth arm portion 62, the other end of the third arm portion 61 is configured to be coupled with the cover case 7 through a pin, and the other end of the fourth arm portion 62 is configured to be coupled with the dump truck body 1 through a pin, the third arm portion 61 and the fourth arm portion 62 are respectively configured as a bar-shaped body, and an included angle β between a center line of the third arm portion 61 and a center line of the fourth arm portion 62 is set to 140 and 160 °.

Through leading rotor arm 6, formed the support tie point to tipper body 1 and lid shell 7, realized being connected with tipper body 1 by fourth arm 62, realized being connected with lid shell 7 by third arm 61, its technical aim at: and the second component is used for forming a link mechanism together with the dumper body 1, the front rotating arm 6 and the cover shell 7.

In the present embodiment, the cover case 7 is configured to include the cover portion 71, the second ear seat portion 72, and the third ear seat portion 73, and the upper end surface rear side portion of the cover portion 71 is configured to be coupled with the second ear seat portion 72, the upper end surface middle side portion of the cover portion 71 is configured to be coupled with the third ear seat portion 73 and the second ear seat portion 72 is configured to be coupled with the rear swing arm 5 by a pin, the third ear seat portion 73 is configured to be coupled with the front swing arm 6 by a pin and the cover portion 71 is configured to be coupled with the dump truck body 1 in contact, the cover portion 71 is configured to be a plate-like body having a weather strip on the side surface portion thereof, and the second ear seat portion 72 and the third ear seat portion 73 are configured to be double-plate ear seats.

Through the cover shell 7, the supporting connection point of the dumper body 1, the rear rotating arm 5 and the front rotating arm 6 is formed, the connection with the dumper body 1 is realized by the cover 71, the connection with the rear rotating arm 5 is realized by the second lug part 72, the connection with the front rotating arm 6 is realized by the third lug part 73, and the technical purpose is that: for use as a member for performing a capping process on the dump truck body 1.

In the present embodiment, the dump truck body 1 and the cover case 7, the valve group 3, the rear telescopic cylinder 4, the rear rotary arm 5 and the front rotary arm 6 are arranged to be distributed in a flip-seal manner, one rear rotary arm 5 and one front rotary arm 6 are arranged to constitute a set of two-rod components and one set of two-rod components is arranged between the first telescopic cylinder portion 41 and the truck bed 12, one set of two-bar components is disposed between the second telescopic cylinder portion 42 and the vehicle cabin 12, the second trunnion portion 72 is disposed to be coupled to the first arm portion 51, the third trunnion portion 73 is disposed to be coupled to the third arm portion 61, the cover portion 71, the fourth arm portion 62, the second arm portion 52, the first telescopic cylinder portion 41, and the second telescopic cylinder portion 42 are respectively disposed to be coupled to the vehicle cabin 12, the first trunnion portion 53 is disposed to be coupled to the first telescopic cylinder portion 41 and the second telescopic cylinder portion 42, and the first telescopic cylinder portion 41 and the second telescopic cylinder portion 42 are respectively disposed to be coupled to the balance valve 34.

In the second embodiment of the present invention, the angle α between the center line of the first arm portion 51 and the center line of the second arm portion 52 is set to 140 °, and the angle β between the center line of the third arm portion 61 and the center line of the fourth arm portion 62 is set to 140 °.

In the third embodiment of the present invention, the angle α between the center line of the first arm portion 51 and the center line of the second arm portion 52 is set to 160 °, and the angle β between the center line of the third arm portion 61 and the center line of the fourth arm portion 62 is set to 160 °.

In the fourth embodiment of the present invention, the angle α between the center line of the first arm portion 51 and the center line of the second arm portion 52 is set to 150 °, and the angle β between the center line of the third arm portion 61 and the center line of the fourth arm portion 62 is set to 150 °.

When the first telescopic cylinder 41 and the second telescopic cylinder 42 are contracted by the three-position four-way selector valve 31, the first arm 51 and the fourth arm 62 are kept horizontal, the lid 71 is placed on the opening of the vehicle body 12 to seal the vehicle body 12, when the hydraulic output port of the motor vehicle chassis 11 is communicated with the first telescopic cylinder 41 and the second telescopic cylinder 42 by the first one-way throttle valve 32 and the balance valve 34 by the three-position four-way selector valve 31, a high-pressure liquid is injected into the first telescopic cylinder 41 and the second telescopic cylinder 42 to keep the first telescopic cylinder 41 and the second telescopic cylinder 42 in an extended state, the first arm 51 and the fourth arm 62 are kept vertical, the lid 71 is moved forward on the opening of the vehicle body 12 to keep the opening of the vehicle body 12 open, and when the three-position four-way selector valve 31 is passed, after the hydraulic output port of the motor-driven chassis 11 is disconnected from the power fluid input port of the three-position four-way reversing valve 31, the high-pressure fluid in the first telescopic cylinder portion 41 and the second telescopic cylinder portion 42 flows into the hydraulic oil tank through the oil return port of the balance valve 34, the second one-way throttle valve 33 and the oil return port of the three-position four-way reversing valve 31, so that the first telescopic cylinder portion 41 and the second telescopic cylinder portion 42 are in a contracted state.

In the second embodiment of the present invention, the dump truck body 1, the cover case 7, the link mechanism, and the thrust member are coupled to each other in such a manner as to perform the power opening and closing process of the cargo inlet.

In this embodiment, the link mechanism and the thrust member are coupled to the dump truck body 1 and the cover case 7 in such a manner that the power opening and closing of the cargo inlet is achieved by the lifting and pushing movement.

In the present embodiment, the link mechanism is configured to include a rear swing arm 5 and a front swing arm 6.

In the present embodiment, the thrust member is configured to include the valve group 3 and the rear telescopic cylinder 4.

A second embodiment of the utility model is based on the first embodiment.

The utility model has the following characteristics:

1. due to the design of the dumper body 1, the cover shell 7, the link mechanism and the thrust component, goods are transported through the dumper body 1, the cover of the wagon box 12 is sealed through the cover shell 7, the cover shell 7 is lifted and pushed to move through the link mechanism and the thrust component, and the goods loading port of the wagon box 12 is dynamically opened and closed, so that the sealing performance of the wagon box 12 is improved.

2. Due to the design of the rear rotating arm 5 and the front rotating arm 6, the four-bar linkage mechanism is formed by the dumper body 1, the cover shell 7, the rear rotating arm 5 and the front rotating arm 6, and the movement performance of the cover shell 7 is improved.

3. Due to the design of the control valve group 3 and the rear telescopic cylinder 4, the rear rotating arm 5 is driven by hydraulic power to swing, and the control performance is improved.

4. Because the structural shape is limited by the numerical range, the numerical range is the technical characteristic of the technical scheme of the utility model, and is not the technical characteristic obtained by formula calculation or limited tests, and tests show that the technical characteristic of the numerical range achieves good technical effect.

5. Due to the design of the technical characteristics of the utility model, tests show that each performance index of the utility model is at least 1.7 times of the existing performance index under the action of the single and mutual combination of the technical characteristics, and the utility model has good market value through evaluation.

Further, the technical features of the dump truck body 1, the cover case 7, the link mechanism, and the thrust member, which are coupled to the cargo inlet for the power opening and closing process, are all one of the embodiments of the present invention, and the respective technical features of the above-described embodiments may be arbitrarily combined, and in order to satisfy the requirements of patent laws, patent practice rules, and examination guidelines, all possible combinations of the respective technical features of the above-described embodiments will not be described.

Therefore, in the technical field of the self-sealing-based dump truck device, all technical contents including the dump truck body 1 having the vehicle body 12, the cover 7 provided on the vehicle body 12, the link mechanism provided between the cover 7 and the vehicle body 12, and the thrust member provided on the link mechanism are within the scope of protection of the present invention.

Claims

1. The utility model provides a tipper device based on self sealss which characterized by: comprises a self-dumping truck body (1) with a truck box (12), a cover shell (7) arranged on the truck box (12), a link mechanism arranged between the cover shell (7) and the truck box (12), and a thrust component arranged on the link mechanism.

2. The self-sealing based dump truck device of claim 1, wherein: the self-dumping truck body (1), the cover shell (7), the link mechanism and the thrust part are mutually connected according to the mode of carrying out power opening and closing treatment on the goods loading port.

3. The self-sealing based dump truck device of claim 2, wherein: the connecting rod mechanism and the thrust part are connected with the self-dumping truck body (1) and the cover shell (7) according to a mode of realizing power opening and closing treatment on the goods loading port through lifting and pushing movement.

4. The self-sealing based dump truck device of claim 1, wherein: the connecting rod mechanism is arranged to comprise a rear rotating arm (5) and a front rotating arm (6),

or the thrust component is arranged to comprise an operating valve group (3) and a rear telescopic cylinder (4).

5. The self-sealing based dump truck device of claim 4, wherein: the dumper body (1) is respectively provided with a rear rotating arm (5) and a front rotating arm (6), a rear telescopic cylinder (4) is arranged between the rear rotating arm (5) and the dumper body (1), an operating valve group (3) is arranged between the rear telescopic cylinder (4) and the dumper body (1), and cover shells (7) are arranged on the rear rotating arm (5) and the front rotating arm (6).

6. The self-sealing based dump truck device of claim 5, wherein: the dump truck body (1) is arranged to comprise a motor chassis (11), a truck box (12), a front telescopic cylinder (13) and an auxiliary frame (14), the motor chassis (11) is arranged to be connected with the auxiliary frame (14), the rear end of the auxiliary frame (14) is arranged to be connected with the rear part of the end surface of the lower end of the truck box (12) through a pin shaft, the front end of the auxiliary frame (14) is arranged to be connected with one end of the front telescopic cylinder (13) through a pin shaft, the other end of the front telescopic cylinder (13) is arranged to be connected with the upper part of the front end surface of the truck box (12) through a pin shaft, the hydraulic output port part of the motor chassis (11) is arranged to be connected with the control valve group (3), the rear side part of the end surface of the lower end of the truck box (12) is arranged to be connected with the rear telescopic cylinder (4) through a pin shaft, and the front side part of the end surface of the lower end surface of the truck box (12) is arranged to be connected with the front rotating arm (6) through a pin shaft, the middle side part of the end surface of the lower end of the carriage (12) is connected with the rear rotating arm (5) through a pin shaft, the opening part of the carriage (12) is connected with the cover shell (7) in a contact way, the motor-driven chassis (11) is a 6 x 4 chassis, the carriage (12) is a rectangular box-shaped body, the front telescopic cylinder (13) is a multi-section telescopic cylinder, and the auxiliary frame (14) is a trapezoid frame-shaped body.

7. The self-sealing based dump truck device of claim 5, wherein: the cover shell (7) is arranged to include a cover portion (71), a second lug portion (72) and a third lug portion (73), the rear side portion of the upper end face of the cover portion (71) is connected with the second lug portion (72), the middle side portion of the upper end face of the cover portion (71) is connected with the third lug portion (73), the second lug portion (72) is connected with the rear rotating arm (5) through a pin shaft, the third lug portion (73) is connected with the front rotating arm (6) through a pin shaft, the cover portion (71) is connected with the dumper body (1) in a contact mode, the cover portion (71) is arranged to be a plate body with a side portion provided with a sealing strip, and the second lug portion (72) and the third lug portion (73) are arranged to be double-plate lug seats.

8. The self-sealing based dump truck device of claim 5, wherein: the rear rotating arm (5) is provided to comprise a first arm part (51), a second arm part (52) and a first lug part (53), one end of the first arm part (51) is provided to be coupled with one end of the second arm part (52), the middle part of the second arm part (52) is provided to be coupled with the first lug part (53) and the first lug part (53) is provided to be coupled with the rear telescopic cylinder (4) through a pin shaft, the other end of the first arm part (51) is provided to be coupled with the cover shell (7) through a pin shaft and the other end of the second arm part (52) is provided to be coupled with the dumper body (1) through a pin shaft, the first arm part (51) and the second arm part (52) are respectively provided to be strip-shaped bodies, and the included angle alpha between the central line of the first arm part (51) and the central line of the second arm part (52) is provided to be 140 degrees and 160 degrees, the first ear seat part (53) is configured as a double-plate ear seat,

or, the preposed rotating arm (6) is provided with a third arm part (61) and a fourth arm part (62), one end of the third arm part (61) is connected with one end of the fourth arm part (62), the other end of the third arm part (61) is connected with the cover shell (7) through a pin shaft, the other end of the fourth arm part (62) is connected with the dumper body (1) through a pin shaft, the third arm part (61) and the fourth arm part (62) are respectively provided with a strip-shaped body, and the included angle beta between the central line of the third arm part (61) and the central line of the fourth arm part (62) is set to be 140-160 degrees.

9. The self-sealing based dump truck device of claim 5, wherein: the control valve group (3) is set to comprise a three-position four-way reversing valve (31), a first one-way throttle valve (32), a second one-way throttle valve (33) and a balance valve (34), a power liquid input interface of the three-position four-way reversing valve (31) is set to be connected with a hydraulic output port of the dumper body (1), a power liquid output interface of the three-position four-way reversing valve (31) is set to be connected with a power liquid input interface of the balance valve (34) through the first one-way throttle valve (32), a power liquid output interface of the balance valve (34) is set to be connected with a hydraulic input port of the rear telescopic cylinder (4), a hydraulic output port of the rear telescopic cylinder (4) is set to be connected with an oil return input interface of the balance valve (34), an oil return output interface of the balance valve (34) is set to be connected with an oil return input interface of the three-position four-way reversing valve (31) through the second one-way throttle valve (33), an oil return output interface of the three-position four-way reversing valve (31) is connected with a hydraulic oil tank in a communicating way, and a shell of the three-position four-way reversing valve (31), a shell of the first one-way throttle valve (32), a shell of the second one-way throttle valve (33) and a shell of the balance valve (34) are respectively connected with the dumper body (1),

or the rear telescopic cylinder (4) is set to comprise a first telescopic cylinder part (41) and a second telescopic cylinder part (42), a hydraulic port part of the first telescopic cylinder part (41) and a hydraulic port part of the second telescopic cylinder part (42) are respectively set to be connected with the control valve group (3), one end head of the first telescopic cylinder part (41) and one end head of the second telescopic cylinder part (42) are respectively set to be connected with the dumper body (1) through a pin shaft, the other end head of the first telescopic cylinder part (41) and the other end head of the second telescopic cylinder part (42) are respectively set to be connected with the rear rotating arm (5) through a pin shaft, and the first telescopic cylinder part (41) and the second telescopic cylinder part (42) are respectively set to be two-joint telescopic cylinders.

10. The self-sealing based dumper device according to any one of claims 1-9, characterized in that: the self-dumping truck body (1), the cover shell (7), the operating valve group (3), the rear telescopic cylinder (4), the rear rotary arm (5) and the front rotary arm (6) are distributed in a turnover sealing mode, the rear rotary arm (5) and the front rotary arm (6) are arranged to form a group of double-rod components, one group of double-rod components are arranged between the first telescopic cylinder part (41) and the truck box (12), one group of double-rod components are arranged between the second telescopic cylinder part (42) and the truck box (12), the second lug part (72) is arranged to be connected with the first arm part (51), the third lug part (73) is arranged to be connected with the third arm part (61), the cover part (71), the fourth arm part (62), the second arm part (52), the first telescopic cylinder part (41) and the second telescopic cylinder part (42) are respectively arranged to be connected with the truck box (12), the first lug portion (53) is provided to be coupled to the first telescopic cylinder portion (41) and the second telescopic cylinder portion (42), respectively, and the first telescopic cylinder portion (41) and the second telescopic cylinder portion (42) are provided to be coupled to the balance valve (34), respectively.