WO2022011782A1

WO2022011782A1 - Support leg device and operating vehicle

Info

Publication number: WO2022011782A1
Application number: PCT/CN2020/110709
Authority: WO
Inventors: 张志�; 黄运明; 毛志兵
Original assignee: 三一汽车制造有限公司
Priority date: 2020-07-17
Filing date: 2020-08-24
Publication date: 2022-01-20
Also published as: CN111824078A; CN111824078B

Abstract

A support leg device and an operating vehicle. The support leg device comprises: a first cover plate (102); a first side plate (104), having one side connected to one side of the first cover plate (102); and a second side plate (106), having one side connected to the other side of the first cover plate (102). A box-shaped space is defined by the first cover plate (102), a second cover plate (108), the first side plate (104), and the second side plate (106); a water storage cavity (166) and an oil storage cavity (118) are formed in the box-shaped space; the water storage cavity (166) and the oil storage cavity (118) are arranged side by side or in a nested manner; and the water storage cavity (166) and the oil storage cavity (118) are separated by means of a heat-conducting plate. The structural compactness and functional diversification of the support leg device can be implemented, the space of the operating vehicle is optimized, the support leg device has functions of supporting and storing oil and liquid, and the space needed for arranging an independent hydraulic oil tank is saved, thereby implementing miniaturization of a product to a certain degree and facilitating cost reduction.

Description

Outriggers and work vehicles

This application claims the priority of the Chinese patent application with the application number "2020106895627" and the invention title "Outrigger Device and Work Vehicle" filed with the China Patent Office on July 17, 2020, the entire contents of which are incorporated herein by reference middle.

technical field

The present application relates to the technical field of construction machinery, and in particular, to an outrigger device and a work vehicle.

Background technique

With the rapid development of my country's economic construction, concrete pump trucks and other operating vehicles are widely used in the construction of highways, bridges, airports, urban and rural real estate, and large-scale municipal projects due to their high efficiency and high transition operations. In recent years, the pumping height of the pump truck is getting higher and higher, the amount of hydraulic oil required by the pump truck is also increasing, and the volumes of the hydraulic oil storage chamber and the first water storage chamber are also increasing. Due to the limitation of the weight and structure of the pump truck, the structural design requirements of the hydraulic oil storage chamber and the first water storage chamber are becoming more and more stringent in terms of occupied space, box structure and overall layout.

Common hydraulic oil storage chambers and water storage chambers for pump trucks are mostly tailor-welded plates and external independent boxes. Among them, the tailor-welded box body is generally designed into the turret, the structure is relatively compact, and it takes up less external space, which is commonly used in short-arm pump trucks. However, for the long-boom pump truck, the required hydraulic oil storage cavity is large. If it is designed in the turret, the overall structure of the turret will be large, so it is subject to the weight and structure of the long-boom pump truck. Due to the limitation, the long-boom pump truck often adopts an external independent box and is set on the platform, but this will occupy a large part of the space of the platform.

In the related art, there is a case where the water storage cavity is arranged inside the outrigger device, but an independent water storage cavity is used, and the independent water storage cavity is only arranged inside the outrigger device. The outrigger device is not substantially improved, and the structure of the outrigger device is complicated and the cost is high.

SUMMARY OF THE INVENTION

The present application aims to solve at least one of the technical problems existing in the prior art.

To this end, a first aspect of the present application provides a leg device.

A second aspect of the present application provides a work vehicle.

A first aspect of the present application provides a leg device, comprising: a first cover plate; a first side plate, one side of the first side plate is connected to one side of the first cover plate; a second side plate, a second side plate One side of the side plate is connected with the other side of the first cover plate; the second cover plate, the second cover plate is connected with the other side of the first side plate and the other side of the second side plate; wherein, the first A cover plate, a second cover plate, a first side plate and a second side plate enclose a box-shaped space, a water storage cavity and an oil storage cavity are formed in the box-shaped space, and the water storage cavity and the oil storage cavity are arranged side by side or nested The water storage cavity and the oil storage cavity are separated by a heat conduction plate.

The outrigger device proposed in this application includes: a first cover plate, a second cover plate, a first side plate, and a second side plate. The first cover plate is used as an upper cover plate, the first side plate and the second side plate are respectively connected with the opposite sides of the first cover plate, and are used as the left side plate and the right side plate, and the second cover plate is simultaneously connected to the The first side plate and the second side plate are connected and used as a lower cover plate. In addition, the first cover plate, the second cover plate, the first side plate and the second side plate form a box-shaped space, and a water storage cavity and an oil storage cavity are directly formed in the box-shaped structure to realize the outrigger device The compact structure and diversified functions make the outrigger device have the functions of support and oil storage, which optimizes the space of the working vehicle, saves the space required for the arrangement of independent hydraulic oil tanks, and realizes the small size of the product to a certain extent. , and help reduce costs.

In addition, the water storage cavity and the oil storage cavity are arranged side by side or nested, and the water storage cavity and the oil storage cavity are separated by a heat conduction plate, so that the water storage cavity can be used as a heat dissipation device, and the temperature of the oil storage cavity can be effectively reduced. The space required for arranging the independent heat dissipation components is further saved, the miniaturization of the product is further realized, and the cost of the support leg device is reduced.

The application can realize the compact structure and functional diversification of the outrigger device, optimize the space of the working vehicle, save the space required for arranging the independent hydraulic oil tank and the heat sink, realize the miniaturization of the product to a certain extent, and is beneficial to lower the cost.

The outrigger device according to the above technical solutions of the present application may also have the following additional technical features:

In the above technical solution, the outrigger device further comprises: a first sealing plate, the first sealing plate is connected with the first cover plate, the second cover plate, the first side plate and the second side plate; The cover plate and the second cover plate are arranged at intervals and are connected with the first cover plate, the second cover plate, the first side plate and the second side plate; the third cover plate is arranged at intervals from the first cover plate, and the third The cover plate is connected with the first cover plate, the second cover plate, the first side plate and the second side plate; wherein the first cover plate, the second cover plate, the first cover plate, the second cover plate, the first side plate The plate and the second side plate together define a water storage chamber; the first sealing plate, the third sealing plate, the first cover plate, the second cover plate, the first side plate and the second side plate jointly define the oil storage chamber.

In this technical solution, the outrigger device further includes a first sealing plate, a second sealing plate and a third sealing plate. The first cover plate is connected with the first cover plate, the second cover plate, the first side plate and the second side plate, and the second cover plate is connected with the first cover plate, the second cover plate, the first side plate and the second cover plate. The two side plates are connected, and the third cover plate is connected with the first cover plate, the second cover plate, the first side plate and the second side plate; and the first cover plate, the second cover plate and the third cover plate are three The first sealing plate is located between the second sealing plate and the third sealing plate, a water storage cavity is defined between the first sealing plate and the second sealing plate, and a water storage cavity is defined between the first sealing plate and the third sealing plate. out of the oil reservoir.

In particular, based on the above-mentioned limitation of the present application, only the first sealing plate, the second sealing plate and the third sealing plate need to be added to define a water storage cavity and an oil storage cavity in the box-shaped structure, and the water storage cavity and the The oil storage chambers are arranged side by side, and the water storage chamber and the oil storage chamber share the same first sealing plate. In addition, the first sealing plate is a heat-conducting plate, so that heat is transferred between the water storage cavity and the oil storage cavity through the first sealing plate, so as to ensure the cooling effect of the water storage cavity on the oil storage cavity.

In any of the above technical solutions, the outrigger device further comprises: a first sealing plate, the first sealing plate is connected with the first cover plate, the second cover plate, the first side plate and the second side plate; the second sealing plate , the first sealing plate and the second sealing plate are arranged at intervals, and are connected with the first cover plate, the second cover plate, the first side plate and the second side plate; A cover plate, a second cover plate, a first side plate and a second side plate jointly define a water storage cavity, and the oil storage cavity is nested in the water storage cavity.

In this technical solution, the outrigger device further includes a first sealing plate and a second sealing plate. The first cover plate is connected with the first cover plate, the second cover plate, the first side plate and the second side plate, and the second cover plate is connected with the first cover plate, the second cover plate, the first side plate and the second cover plate. The two side plates are connected, and the first sealing plate and the second sealing plate are arranged at intervals, so that a water storage cavity is defined between the first sealing plate and the second sealing plate. into the water cavity, so that all the wall surfaces of the oil storage cavity are in contact with the water storage cavity.

In particular, the oil storage chamber is used as an independent oil storage tank, and is directly nested in the water storage chamber. The shell of the oil storage tank is a heat conduction plate, thereby increasing the contact area between the oil storage chamber and the liquid storage chamber and effectively improving the storage capacity. The cooling effect of the oil cavity.

In any of the above technical solutions, the outrigger device further comprises: a first sealing plate, the first sealing plate is connected with the first cover plate, the second cover plate, the first side plate and the second side plate; the second sealing plate , the first sealing plate and the second sealing plate are arranged at intervals and are connected with the first cover plate, the second cover plate, the first side plate and the second side plate; the third sealing plate is arranged at intervals with the first sealing plate , the third sealing plate is connected with the first covering plate, the second covering plate and the first side plate; the fourth sealing plate is arranged between the first sealing plate and the third sealing plate, and is spaced from the second side plate , the fourth sealing plate is connected with the first covering plate, the second covering plate, the first sealing plate and the third sealing plate; the fifth sealing plate is arranged on the side of the third sealing plate away from the first sealing plate, and is connected with the The third sealing plates are arranged at intervals, and the fifth sealing plate is connected with the first cover plate, the second cover plate, the first side plate and the second side plate; wherein, the water storage chamber includes a first water storage chamber and a second water storage chamber cavity, the first sealing plate, the second sealing plate, the first cover plate, the second cover plate, the first side plate and the second side plate together define a first water storage cavity, the first sealing plate, the third sealing plate, The fourth cover plate, the first cover plate, the second cover plate and the first side plate jointly define the oil storage chamber, the third cover plate, the fifth cover plate, the first cover plate, the second cover plate and the first side plate The second water storage cavity is jointly defined with the second side plate.

In this technical solution, the outrigger device further includes: a first sealing plate, a second sealing plate, a third sealing plate, a fourth sealing plate and a fifth sealing plate, and the water storage chamber includes a first water storage chamber and a second water storage chamber water cavity. Wherein, the first sealing plate and the second sealing plate are arranged at intervals in the box-shaped structure, and the outer edges of the first sealing plate and the second sealing plate are simultaneously connected with the first cover plate, the second cover plate, the first side plate and the second cover plate. The side plates are connected to define the first water storage cavity; the third sealing plate is arranged at intervals from the first sealing plate, and the fourth sealing plate is arranged between the first sealing plate and the third sealing plate, and is connected with the second side plate The plates are arranged at intervals, and the outer edge of the third cover plate is connected with the first cover plate, the second cover plate, the first side plate and the fourth cover plate at the same time, so that the first cover plate, the third cover plate and the fourth cover plate are connected. The plate, the first cover plate, the second cover plate and the first side plate jointly define the oil storage chamber; the fifth sealing plate is arranged on the side of the third sealing plate away from the first sealing plate, and is spaced from the third sealing plate , the outer edge of the fifth cover plate is connected with the first cover plate, the second cover plate, the first side plate and the second side plate, so that the third cover plate, the fifth cover plate, the first cover plate, the second cover plate and the second side plate are connected. The cover plate, the first side plate and the second side plate together define a second water storage cavity. That is, the first water storage chamber and the second water storage chamber are distributed on both sides of the oil storage chamber, and are arranged adjacent to the oil storage chamber.

In this technical solution, the first water storage cavity, the oil storage cavity and the second water storage cavity are formed by using the internal space of the box-shaped structure, and the internal space of the outrigger device is fully utilized, thereby avoiding the need to reserve the first water storage cavity. , the placement position of the oil storage cavity and the second water storage cavity is conducive to realizing the product miniaturization and compact structure of the outrigger device.

In addition, the oil storage cavity and the second water storage cavity are formed in a simple manner, which can reduce the cost of the outrigger device. In addition, since the first water storage cavity and the second water storage cavity are distributed on both sides of the oil storage cavity, and are arranged adjacent to the oil storage cavity, the effective heat dissipation area of the oil storage cavity is increased, thereby ensuring the interior of the oil storage cavity. The temperature of the hydraulic oil is low.

In addition, the first sealing plate, the third sealing plate and the fourth sealing plate are heat conduction plates, which can increase the heat dissipation area of the oil storage chamber, thereby speeding up the heat exchange between the oil storage chamber and the water storage chamber, and ensuring the hydraulic oil inside the oil storage tank. temperature is lower.

In any of the above technical solutions, the outrigger device further includes: a guide groove formed on the side of the fourth sealing plate facing away from the oil storage chamber, and two ends of the guide groove are respectively connected to the first water storage chamber and the second storage chamber. and/or a communication pipeline, the communication pipeline is arranged through the oil storage cavity and communicated with the first water storage cavity and the second water storage cavity.

In this technical solution, a diversion groove is concavely formed on the side of the fourth sealing plate facing the oil storage cavity, and the diversion groove extends in the direction from the first water storage cavity to the second water storage cavity, so that two parts of the diversion groove are formed. The ends are respectively communicated with the first water storage cavity and the second water storage cavity. The first water storage cavity and the second water storage cavity are communicated through the guide groove, which ensures the fluidity of the liquid in the first water storage cavity and the second water storage cavity, thereby ensuring the first water storage cavity and the second water storage cavity. Used in conjunction with the outrigger to provide more fluid usage for the outrigger assembly.

In addition, the diversion groove can further increase the effective heat dissipation area of the oil storage cavity, so that all three walls of the oil storage cavity participate in the heat exchange, so that the temperature of the liquid inside the oil storage cavity is further reduced.

In this technical solution, the outrigger device further includes a communication pipeline. Wherein, the communication pipeline is arranged through the oil storage cavity and is located at the bottom of the oil storage cavity, and the communication pipeline is communicated with the first water storage cavity and the second water storage cavity. That is, on the basis of ensuring that the first water storage cavity and the second water storage cavity are communicated through the diversion groove, a communication pipeline is further arranged at the bottom of the oil storage cavity, so that the communication pipeline is used in conjunction with the diversion groove. It can further increase the communication area between the first water storage cavity and the second water storage cavity. On the other hand, it is more important to further increase the heat dissipation effect of the oil storage cavity, so that the liquid inside the communication pipeline can also participate in the heat exchange. Thus, the effective heat dissipation area of the oil storage cavity is increased.

In any of the above technical solutions, the outrigger device further comprises: a water pump, arranged in the water storage cavity; a cooling pipeline, the inlet of the cooling pipeline is connected to the water pump, and the outlet of the cooling pipeline is communicated with the water storage cavity, and the cooling pipeline is connected to the water storage cavity. The line is located at least partially within the oil reservoir.

In this technical solution, the outrigger device further includes a water pump and a cooling pipeline. The water pump is arranged in the water storage cavity, the inlet of the cooling pipeline is connected with the water pump, and the outlet of the cooling pipeline is connected with the water storage cavity, thereby forming a water circulation pipeline. In addition, the cooling pipeline is at least partially located in the oil storage cavity. When the water pump is running, the liquid inside the water storage cavity circulates in the cooling pipeline. When the liquid flows through the cooling pipeline located in the oil storage cavity, it can be combined with The hydraulic oil stored in the oil storage chamber exchanges heat, thereby effectively reducing the temperature of the hydraulic oil in the oil storage chamber, and has a good cooling effect.

In any of the above technical solutions, the outrigger device further includes: the cooling pipeline is at least partially arranged through the cooling device; wherein the cooling device includes: a cooling fin, and the cooling pipeline is penetrated through the cooling fin; a fan, the fan is arranged opposite to the cooling fin .

In this technical solution, the support leg device further includes a heat dissipation device. Wherein, the cooling pipeline is at least partially arranged through the heat dissipation device. Therefore, when the water pump is running, the liquid in the water storage chamber first passes through the cooling pipeline and exchanges heat with the hydraulic oil in the oil storage chamber. At this time, the hydraulic oil in the oil storage chamber transfers heat to the cooling pipeline. The liquid in the cooling pipe reduces the temperature of the hydraulic oil but increases the temperature of the liquid in the pipeline; then, the liquid in the cooling pipeline passes through the cooling device, which reduces the temperature of the liquid in the cooling pipeline and ensures that the liquid is kept at a lower temperature. flow back to the reservoir. Based on the above arrangement of the heat dissipation device, it is ensured that the liquid inside the water storage chamber is always at a reduced temperature during the liquid circulation process, thereby ensuring the continuous and stable heat dissipation and cooling effect on the hydraulic oil.

In this technical solution, the heat dissipation device includes a heat sink and a fan. Wherein, the cooling pipeline is penetrated through the heat sink, the fan is arranged opposite to the heat sink, and can provide airflow for the heat sink, and the airflow can take away the heat of the heat sink. That is, when the liquid in the cooling pipeline that exchanges heat with the hydraulic oil passes through the heat sink, most of the heat is absorbed by the heat sink, and the airflow generated by the fan further takes away the heat of the heat sink, ensuring that the heat sink is always at a lower level. temperature, to ensure the continuous cooling effect of the liquid in the cooling pipeline.

In any of the above technical solutions, the outrigger device further comprises: a reversing valve, the inlet of the reversing valve is communicated with the outlet of the water pump, and the first outlet of the reversing valve is communicated with the inlet of the cooling pipeline; the cleaning pipeline, The inlet of the cleaning pipeline is communicated with the second outlet of the reversing valve.

In this technical solution, the outrigger device further includes a reversing valve and a cleaning pipeline. The inlet of the reversing valve is connected with the outlet of the water pump, the first outlet of the reversing valve is connected with the inlet of the cooling pipeline, the second outlet of the reversing valve is connected with the inlet of the cleaning pipeline, and the reversing valve can be Determines the liquid flow direction inside the first water storage chamber.

When it is necessary to cool the hydraulic oil in the oil storage chamber, the inlet of the reversing valve is connected to the first outlet, and the liquid in the first water storage chamber flows back to the first water storage chamber after passing through the cooling pipeline. The hydraulic oil is cooled by the circulating liquid flow path; when it is not necessary to cool the hydraulic oil in the oil storage chamber, the inlet of the reversing valve is connected to the second outlet, and the liquid in the first water storage chamber passes through the cleaning pipe Outflow after the road.

Specifically, a spray gun can be provided in the cleaning pipeline to clean the parts to be cleaned. In particular, the cleaning pipeline is used as an example for explanation. Those skilled in the art can understand that the above cleaning pipeline is only explained by taking the cleaning function as an example, and other components can also be provided in the cleaning pipeline to achieve other purposes. .

In any of the above technical solutions, the outrigger device further includes: a reinforcement plate, which is arranged in the water storage cavity and/or the oil storage cavity, and an overflow port is arranged on the reinforcement plate; a flange port is arranged on the first side plate and the / or second side panel.

In this technical solution, the outrigger device further includes a reinforcing plate and a flange port. Wherein, the reinforcement plate is arranged in the water storage cavity and the oil storage cavity, and is connected with the first cover plate, the first side plate, the second side plate and the second cover plate at the same time, so as to play a certain supporting role to strengthen the first cover plate, the first side plate, the second side plate and the second cover plate. The strength of the first cover plate, the first side plate, the second side plate and the second cover plate prevents the first cover plate, the first side plate, the second side plate and the second cover plate from being bent and deformed due to the collision of external force. At the same time, the first sealing plate, the second sealing plate, the third sealing plate and the fifth sealing plate can also be used as reinforcing plates, so as to cooperate with the reinforcing plates to play a strengthening effect together; port to ensure the flow of liquid and hydraulic oil.

In addition, the welding connection between the above-mentioned plurality of cover plates and the plurality of sealing plates in the present application can ensure the connection strength of the outrigger device, and the first side plate and/or the second side plate is provided with a flange port, the flange port is On the one hand, it can facilitate the welding of the reinforcing plate and each sealing plate, and at the same time, it can be used as an inspection port, which is convenient for the daily maintenance of the outrigger device.

In any of the above technical solutions, the outrigger device further includes: a water filling port, which is arranged on the first cover plate and communicated with the first water storage cavity; The oil outlet is arranged on the second cover plate and communicated with the oil storage cavity; the liquid level measuring component is arranged in the oil storage cavity.

In this technical solution, the outrigger device further includes a water filling port, a filling port, an oil outlet and a liquid level measuring component. Wherein, the water filling port and the oil filling port are both arranged on the first cover plate, the water filling port is communicated with the first water storage cavity, and the filling port is communicated with the oil storage cavity, so that it is convenient for the staff to add liquid or hydraulic oil; The inside of the cavity is provided with a liquid level measuring component, so that it is convenient for the staff to know the amount of hydraulic oil in the oil storage cavity, so that the hydraulic oil can be added in time when the hydraulic oil is insufficient. In addition, the oil outlet is arranged on the second cover plate and is located at the bottom of the oil storage chamber, and the oil outlet can be used for oil discharge and sewage discharge, and is sealed by a plug when not in use.

In any of the above technical solutions, the outrigger device further includes: an oil supply port, which is arranged on the first side plate and/or the second side plate and communicated with the oil storage cavity; an oil return port, which is arranged on the first side The plate and/or the second side plate is communicated with the oil storage chamber; the filter part is arranged at the oil return port.

In this technical solution, the outrigger device further includes an oil supply port, an oil return port and a filter component. Wherein, the oil supply port and the oil return port are arranged on the first side plate and/or the second side plate, and communicate with the oil storage chamber. During use, the oil supply port is connected to each hydraulic component for oil supply through flange joints and oil pipes; then, this part of the hydraulic oil can be returned to the inside of the oil storage chamber through the oil return port to realize the circulation of the hydraulic oil. In addition, a filter element is arranged at the oil return port, and the filter element can effectively filter the impurities of the hydraulic oil in the oil return pipeline to ensure the cleanliness of the hydraulic oil flowing back into the oil storage chamber.

A second aspect of the present application provides a work vehicle, comprising: a chassis; and the outrigger device according to any of the above technical solutions, wherein the outrigger device is connected to the chassis; wherein, the outrigger device further includes a support leg for supporting work In the vehicle, the support legs are connected with the first cover plate and the second cover plate.

The work vehicle proposed in the present application includes a chassis and the outrigger device according to any of the above technical solutions. Therefore, based on all the beneficial effects of the above-mentioned outrigger devices, they will not be discussed one by one here.

Specifically, the outrigger device further includes a support leg, which is connected with the first cover plate and the second cover plate, and can be used to support the working vehicle, so as to ensure the stability of the working vehicle.

Specifically, the work vehicle proposed in the present application may be a pump truck.

In any of the above technical solutions, corrugated plates are used for the first sealing plate, the second sealing plate, the third sealing plate, the fourth sealing plate and the fifth sealing plate, thereby increasing the effective heat exchange area of the oil storage cavity.

Additional aspects and advantages of the present application will become apparent in the description section below, or learned by practice of the present application.

Description of drawings

The above and/or additional aspects and advantages of the present application will become apparent and readily understood from the following description of embodiments in conjunction with the accompanying drawings, wherein:

1 is a schematic structural diagram of an outrigger device according to an embodiment of the present application;

Fig. 2 is the internal structure schematic diagram of the outrigger device of the embodiment shown in Fig. 1;

3 is a front view of the outrigger device of the embodiment shown in FIG. 2;

4 is a schematic structural diagram of a leg device according to another embodiment of the present application;

5 is a schematic diagram of the internal structure of the outrigger device of the embodiment shown in FIG. 4;

Figure 6 is a cross-sectional view of the outrigger device of the embodiment shown in Figure 4;

7 is a schematic diagram of the internal structure of the outrigger device according to another embodiment of the present application;

FIG. 8 is a cross-sectional view of the outrigger device of the embodiment shown in FIG. 7 .

Among them, the corresponding relationship between the reference numerals and the component names in Fig. 1 to Fig. 8 is:

102 first cover plate, 104 first side plate, 106 second side plate, 108 second cover plate, 110 first cover plate, 112 second cover plate, 114 first water storage chamber, 116 third cover plate, 118 Oil storage chamber, 120 water pump, 122 cooling pipeline, 124 cooling device, 126 heat sink, 128 fan, 130 reversing valve, 132 fourth sealing plate, 134 fifth sealing plate, 136 second water storage chamber, 138 diversion Tank, 140 connecting pipeline, 142 oil storage tank, 144a first reinforcement plate, 144b second reinforcement plate, 146 flange port, 148 water filling port, 150 oil filling port, 152 oil outlet port, 154 liquid level measuring part, 156 oil supply port, 158 oil return port, 160 filter part, 162 support leg, 164 flow port, 166 water storage cavity.

detailed description

In order to more clearly understand the above objects, features and advantages of the present application, the present application will be further described in detail below with reference to the accompanying drawings and specific embodiments. It should be noted that the embodiments of the present application and the features in the embodiments may be combined with each other in the case of no conflict.

Many specific details are set forth in the following description to facilitate a full understanding of the present application. However, the present application can also be implemented in other ways different from those described herein. Therefore, the protection scope of the present application is not limited by the specific implementation disclosed below. example limitations.

The outrigger apparatus and work vehicle provided according to some embodiments of the present application will be described below with reference to FIGS. 1 to 8 .

Example 1:

As shown in FIG. 2 , FIG. 3 , FIG. 5 and FIG. 7 , the first embodiment of the present application proposes a support leg device, which includes: a first cover plate 102 , a second cover plate 108 , a first side plate 104 , The second side plate 106 .

The first cover plate 102 is used as an upper cover plate, the first side plate 104 and the second side plate 106 are respectively connected to the opposite sides of the first cover plate 102 and used as the left side plate and the right side plate, respectively. The two cover plates 108 are connected to the first side plate 104 and the second side plate 106 at the same time, and are used as lower cover plates to form the main structure of the outrigger device and form a box-shaped space inside the main structure. In this embodiment, a water storage cavity 166 and an oil storage cavity 118 are directly formed in the box-shaped structure, which realizes the compact structure and functional diversification of the outrigger device, so that the outrigger device has the functions of supporting and storing oil and liquid. , optimizes the space of the working vehicle, saves the space required for arranging the independent hydraulic oil tank, realizes the miniaturization of the product to a certain extent, and helps to reduce the cost.

In addition, the water storage cavity 166 and the oil storage cavity 118 are arranged side by side or nested, and the water storage cavity 166 and the oil storage cavity 118 are separated by a heat conduction plate, so that the water storage cavity 166 can be used as a heat dissipation device, and effectively reduce the storage capacity. The temperature of the oil cavity further saves the space required for arranging independent heat dissipation components, further realizes the miniaturization of the product, and reduces the cost of the outrigger device.

This embodiment can realize the compact structure and functional diversification of the outrigger device, optimize the space of the working vehicle, save the space required for arranging the independent hydraulic oil tank and the heat dissipation device, realize the miniaturization of the product to a certain extent, and have Conducive to reducing costs.

Embodiment 2:

As shown in FIG. 1 , FIG. 2 and FIG. 3 , a second embodiment of the present application proposes a leg device, including: a first cover plate 102 , a second cover plate 108 , a first side plate 104 , and a second side plate Plate 106 , first cover plate 110 , second cover plate 112 and third cover plate 116 .

Wherein, the first cover plate 102 is used as an upper cover plate, the first side plate 104 and the second side plate 106 are respectively connected with the opposite sides of the first cover plate 102, and are used as left side plates and right side plates, the second The cover plate 108 is connected with the first side plate 104 and the second side plate 106 at the same time, and is used as a lower cover plate, thereby constituting the main structure of the outrigger device, and forming a box-shaped space inside the main structure; The plate 110 and the second sealing plate 112 are arranged in the box-shaped space, and the first sealing plate 110 and the second sealing plate 112 are arranged at intervals in the box-shaped space; the outer edges of the first sealing plate 110 and the second sealing plate 112 At the same time, it is connected with the first cover plate 102 , the second cover plate 108 , the first side plate 104 and the second side plate 106 , thereby defining a water storage cavity 166 inside the outrigger device.

In addition, the third sealing plate 116 is disposed outside the water storage cavity 166 and is spaced apart from the first sealing plate 110 , and the outer edge of the third sealing plate 116 is connected to the first cover plate 102 , the second cover plate 108 , the first cover plate 108 , the The side plate 104 and the second side plate 106 are connected to define an oil storage chamber 118 inside the outrigger device. The water storage chamber 166 and the oil storage chamber 118 are arranged side by side in the box-shaped space.

In this embodiment, the box-shaped space inside the outrigger device is used to form the water storage chamber 166 and the oil storage chamber 118 , and the first cover plate 102 , the second cover plate 108 , the first side plate 104 and the second cover plate 108 of the outrigger device are directly connected The side plate 106 and the first sealing plate 110 serve as the forming walls of the water storage chamber 166 and the oil storage chamber 118, and the oil storage chamber 118 and the water storage chamber 166 share the same first sealing plate 110, which can simplify the oil storage chamber 118 on the one hand. and reduce the cost of the outrigger device. On the other hand, it is ensured that the oil storage cavity 118 and the water storage cavity 166 are arranged adjacent to each other, and then heat is transferred through the first sealing plate 110, and the heat transfer effect of the first sealing plate 110 is used to ensure the storage and storage. The water chamber 166 can cool the hydraulic oil inside the oil storage chamber 118 .

Embodiment three:

As shown in FIG. 4 , FIG. 5 and FIG. 6 , a third embodiment of the present application proposes a support leg device, including: a first cover plate 102 , a second cover plate 108 , a first side plate 104 , and a second side plate Plate 106 , first cover plate 110 , second cover plate 112 , third cover plate 116 , fourth cover plate 132 and fifth cover plate 134 .

4, 5 and 6, the first cover plate 102 is used as an upper cover plate, and the first side plate 104 and the second side plate 106 are respectively connected to the opposite sides of the first cover plate 102, Used as the left side plate and the right side plate, the second cover plate 108 is connected with the first side plate 104 and the second side plate 106 at the same time, and is used as a lower cover plate, thereby forming the main structure of the outrigger device, and in the main structure A box-shaped space is formed inside; the first sealing plate 110 and the second sealing plate 112 are arranged in the box-shaped space, and the first sealing plate 110 and the second sealing plate 112 are arranged at intervals in the box-shaped space; The outer edges of the cover plate 110 and the second cover plate 112 are connected with the first cover plate 102, the second cover plate 108, the first side plate 104 and the second side plate 106 at the same time, thereby defining the first cover plate 102 inside the outrigger device. A water storage chamber 114 .

In addition, as shown in FIG. 4 , FIG. 5 and FIG. 6 , the third sealing plate 116 is disposed outside the first water storage cavity 114 and is spaced apart from the first sealing plate 110 , and the fourth sealing plate 132 is disposed on the first sealing plate 110 . Between the plate 110 and the third cover plate 116 and spaced apart from the second side plate 106, the outer edge of the third cover plate 116 is connected to the first cover plate 102, the second cover plate 108, the first side plate 104 and the first cover plate 102 and the second cover plate 108 at the same time. The four sealing plates 132 are connected so that the first sealing plate 110 , the third sealing plate 116 , the fourth sealing plate 132 , the first cover plate 102 , the second cover plate 108 and the first side plate 104 jointly define an oil storage cavity 118. The fifth cover plate 134 is disposed on the side of the third cover plate 116 away from the first cover plate 110 and is spaced from the third cover plate 116 . The outer edge of the fifth cover plate 134 is connected to the first cover plate 102 and the second cover The plate 108, the first side plate 104 and the second side plate 106 are connected such that the third cover plate 116, the fifth cover plate 134, the first cover plate 102, the second cover plate 108, the first side plate 104 and the third cover plate 102 The two side plates 106 together define a second water storage cavity 136 . That is, the first water storage chamber 114 and the second water storage chamber 136 are distributed on both sides of the oil storage chamber 118 and are disposed adjacent to the oil storage chamber 118 .

In this embodiment, the box-shaped space inside the outrigger device is used to form the first water storage cavity 114 , the oil storage cavity 118 and the second water storage cavity 136 , and the internal space of the outrigger device is fully utilized, thereby avoiding the need to reserve the first water storage cavity. The placement positions of the water storage cavity 114 , the oil storage cavity 118 and the second water storage cavity 136 are beneficial to realize the miniaturization of the product and the compact structure of the outrigger device.

In addition, the first water storage chamber 114, the oil storage chamber 118 and the second water storage chamber 136 are formed in a simple manner, which can reduce the cost of the outrigger device. In addition, since the first water storage cavity 114 and the second water storage cavity 136 are distributed on both sides of the oil storage cavity 118 and are arranged adjacent to the oil storage cavity 118, the effective heat dissipation area of the oil storage cavity 118 is increased, thereby ensuring the Therefore, the temperature of the hydraulic oil in the oil storage chamber 118 is lower.

In this embodiment, further, as shown in FIGS. 5 and 6 , a guide groove 138 is concavely formed on the side of the fourth sealing plate 132 facing the oil storage chamber 118 , and the guide groove 138 is formed along the first water storage chamber 114 It extends in the direction of the second water storage cavity 136 , so that both ends of the guide groove 138 are communicated with the first water storage cavity 114 and the second water storage cavity 136 respectively.

The first water storage cavity 114 and the second water storage cavity 136 are connected through the guide groove 138 to ensure the fluidity of the liquid in the first water storage cavity 114 and the second water storage cavity 136, thereby ensuring the first water storage cavity 114 Used in conjunction with the second water storage chamber 136 to provide more liquid usage for the outrigger device. In addition, the diversion groove 138 can further increase the effective heat dissipation area of the oil storage cavity 118 , so that all three walls of the oil storage cavity 118 participate in heat exchange, so that the temperature of the liquid in the oil storage cavity 118 is further reduced.

In this embodiment, further, as shown in FIG. 5 and FIG. 6 , the outrigger device further includes a communication pipeline 140 . The communication pipeline 140 is disposed through the oil storage cavity 118 and is located at the bottom of the oil storage cavity 118 , and the communication pipeline 140 communicates with the first water storage cavity 114 and the second water storage cavity 136 .

That is, on the basis of ensuring the communication between the first water storage cavity 114 and the second water storage cavity 136 through the diversion groove 138, a communication pipeline 140 is further arranged at the bottom of the oil storage cavity 118, so that the communication pipeline 140 is connected to the diversion channel. The use of the grooves 138 can, on the one hand, further increase the communication area between the first water storage chamber 114 and the second water storage chamber 136, and more importantly, further increase the heat dissipation effect of the oil storage chamber 118, so that the communication pipeline The liquid of 140 also participates in the heat exchange.

Embodiment 4:

As shown in FIG. 7 and FIG. 8 , a fourth embodiment of the present application proposes a leg device, including: a first cover plate 102 , a second cover plate 108 , a first side plate 104 , a second side plate 106 , The first sealing plate 110 , the second sealing plate 112 and the oil storage tank 142 .

Wherein, the first cover plate 102 is used as an upper cover plate, the first side plate 104 and the second side plate 106 are respectively connected with the opposite sides of the first cover plate 102, and are used as left side plates and right side plates, the second The cover plate 108 is connected with the first side plate 104 and the second side plate 106 at the same time, and is used as a lower cover plate, thereby constituting the main structure of the outrigger device, and forming a box-shaped space inside the main structure; The plate 110 and the second sealing plate 112 are arranged in the box-shaped space, and the first sealing plate 110 and the second sealing plate 112 are arranged at intervals in the box-shaped space; the outer edges of the first sealing plate 110 and the second sealing plate 112 At the same time, it is connected with the first cover plate 102 , the second cover plate 108 , the first side plate 104 and the second side plate 106 , thereby defining a water storage cavity 166 inside the outrigger device. The oil storage tank 142 is nested in the water storage cavity 166 , and an oil storage cavity 118 is provided in the oil storage tank 142 , and the hydraulic oil can be stored in the oil storage cavity 118 .

That is to say, in this embodiment, the oil storage tank 142 is directly disposed inside the water storage cavity 166 , and the oil storage tank 142 is arranged independently of the water storage cavity 166 , so that all the walls of the oil storage tank 142 participate in the heat exchange, so as to ensure that the oil storage tank 142 The temperature of the internal hydraulic oil decreases.

In addition, directly arranging the oil storage tank 142 in the water storage cavity 166 can make full use of the internal space of the water storage cavity 166, thereby avoiding the need to reserve an additional location for the oil storage tank 142, which is conducive to realizing the miniaturization of the product of the outrigger device and compact structure.

In any of the above embodiments, further, as shown in FIG. 2 , FIG. 5 and FIG. 7 , the outrigger device further includes a reinforcing plate and a flange port 146 . The reinforcing plate is arranged in the water storage cavity 166 and the oil storage cavity 118 of the second

water storage cavity

166 , 136 , and is connected with the first cover plate 102 , the first side plate 104 , the second side plate 106 and the second cover plate 108 at the same time. , and then play a certain supporting role to strengthen the strength of the first cover plate 102, the first side plate 104, the second side plate 106 and the second cover plate 108, and avoid the first cover plate 102, the first side plate 104, The second side plate 106 and the second cover plate 108 are bent and deformed due to the collision of the external force. At the same time, the first sealing plate 110 , the second sealing plate 112 , the third sealing plate 116 , the fourth sealing plate 132 and the fifth sealing plate 134 can also be used as reinforcing plates, so as to cooperate with the reinforcing plates to achieve a strengthening effect. . In addition, an overflow port 164 is provided on the reinforcing plate to ensure the circulation of liquid and hydraulic oil.

In a specific embodiment, the water storage cavity 166 is provided with a first reinforcement plate 144a, and the oil storage cavity 118 is provided with a second reinforcement plate 144b.

In addition, the welding connection between the plurality of cover plates and the plurality of sealing plates mentioned above in the present application can ensure the connection strength of the outrigger device, and the first side plate 104 or the second side plate 106 is provided with a flange port 146, and the flange On the one hand, the opening 146 can facilitate the welding of the reinforcing plate and each sealing plate, and at the same time, it can be used as an inspection opening, which is convenient for the routine maintenance of the outrigger device.

In any of the above embodiments, further, as shown in FIG. 2 and FIG. 3 , the outrigger device further includes a water pump 120 and a cooling pipeline 122 . The water pump 120 is arranged in the first water storage cavity 114, the inlet of the cooling pipeline 122 is connected with the water pump 120, and the outlet of the cooling pipeline 122 is connected with the first water storage cavity 114, thereby forming a water circulation pipeline, and cooling Line 122 is located at least partially within reservoir chamber 118 .

When the water pump 120 is running, the liquid in the water storage chamber 166 circulates in the cooling pipeline 122 . The hydraulic oil exchanges heat, thereby effectively reducing the temperature of the hydraulic oil in the oil storage chamber 118, and has a good cooling effect.

In any of the above embodiments, further, as shown in FIG. 2 and FIG. 3 , the support leg device further includes a heat dissipation device 124 . The heat dissipation device 124 and the oil storage chamber 118 are located on opposite sides of the first water storage chamber 114 , and the cooling pipeline 122 is at least partially disposed through the heat dissipation device 124 .

When the water pump 120 is running, the liquid in the first water storage chamber 114 first passes through the cooling pipeline 122 and exchanges heat with the hydraulic oil in the oil storage chamber 118. At this time, the hydraulic oil in the oil storage chamber 118 transfers heat. to the liquid in the cooling pipe 122, so that the temperature of the hydraulic oil decreases and the temperature of the liquid in the cooling pipe 122 increases; then, the liquid in the cooling pipe 122 passes through the heat sink 124, so that the temperature of the liquid in the cooling pipe 122 is increased. It is lowered to ensure that the liquid flows back to the first water storage chamber 114 at a lower temperature. Based on the above arrangement of the heat dissipation device 124, it is ensured that the liquid inside the first water storage chamber 114 is always at a reduced temperature during the liquid circulation process, thereby ensuring the continuous and stable heat dissipation and cooling effect on the hydraulic oil.

Specifically, as shown in FIGS. 2 and 3 , the heat dissipation device 124 includes a heat dissipation fin 126 and a fan 128 . The cooling pipes 122 pass through the cooling fins 126 , and the fans 128 are disposed opposite to the cooling fins 126 , and can provide airflow for the cooling fins 126 , and the airflow can take away the heat of the cooling fins 126 . That is, when the liquid in the cooling pipeline 122 after heat exchange with the hydraulic oil passes through the heat sink 126, most of the heat is absorbed by the heat sink 126, and the airflow generated by the fan 128 further takes away the heat of the heat sink 126, ensuring that the heat sink 126 is heated. 126 is always at a lower temperature to ensure the continuous heat dissipation effect of the liquid in the cooling pipeline 122 .

In a specific embodiment, as shown in FIG. 2 and FIG. 3 , the arrangement of the fan 128 and the heat sink 126 opposite to each other means that the airflow generated by the fan 128 can flow to the heat sink 126 , so that the airflow takes away the heat of the heat sink 126 .

In any of the above embodiments, further, as shown in FIG. 2 and FIG. 3 , the outrigger device further includes a water pump 120 and a cleaning pipeline (not shown in the figures). The inlet of the reversing valve 130 is communicated with the outlet of the water pump 120, the first outlet of the reversing valve 130 is communicated with the inlet of the cooling pipeline 122, and the second outlet of the reversing valve 130 is communicated with the inlet of the cleaning pipeline , the reversing valve 130 can determine the flow direction of the liquid inside the first water storage chamber 114 .

In a specific embodiment, when the hydraulic oil in the oil storage chamber 118 needs to be cooled, the inlet of the reversing valve 130 is connected to the first outlet, and the liquid in the first water storage chamber 114 flows through the cooling pipeline 122 at this time. Returning to the first water storage chamber 114, the hydraulic oil is cooled through the circulating liquid flow path; when it is not necessary to cool the hydraulic oil in the oil storage chamber 118, the inlet of the reversing valve 130 is connected to the second outlet, and this At this time, the liquid in the first water storage chamber 114 flows out after passing through the cleaning pipeline.

In a specific embodiment, a spray gun may be provided in the cleaning pipeline to clean the parts to be cleaned. In particular, this embodiment is explained by taking the cleaning pipeline provided with a spray gun as an example, but those skilled in the art can understand that the above cleaning pipeline is only explained by taking the cleaning function as an example, and those skilled in the art can also Pipes are provided with other components for other purposes.

In any of the above embodiments, further, as shown in FIG. 2 , FIG. 5 and FIG. 7 , the outrigger device further includes a water filling port 148 , an oil filling port 150 , an oil outlet port 152 and a liquid level measuring component 154 . Wherein, the water filling port 148 and the oil filling port 150 are both arranged on the first cover plate 102, the water filling port 148 is communicated with the first water storage cavity 114, and the filling port 150 is communicated with the oil storage cavity 118, thereby facilitating the staff to add liquid or In addition, a liquid level measuring component 154 is arranged inside the oil storage chamber 118, so that the staff can know the amount of hydraulic oil in the oil storage chamber 118 so as to add in time when the hydraulic oil is insufficient. In addition, the oil outlet 152 is disposed on the second cover plate 108 and is located at the bottom of the oil storage chamber 118 . The oil outlet 152 can be used for oil discharge and sewage discharge, and is sealed by a plug when not in use.

In any of the above embodiments, further, as shown in FIG. 2 , FIG. 5 and FIG. 7 , the outrigger device further includes an oil supply port 156 , an oil return port 158 and a filter member 160 . The oil supply port 156 and the oil return port 158 are disposed on the first side plate 104 or the second side plate 106 and communicate with the oil storage cavity 118 . During use, the oil supply port 156 is connected to each hydraulic component through flange joints and oil pipes to supply oil, and then this part of the hydraulic oil can be returned to the oil storage chamber 118 through the oil return port 158 to realize the circulating use of the hydraulic oil. In addition, a filter element 160 is provided at the oil return port 158 , and the filter element 160 can effectively filter the impurities of the hydraulic oil in the oil return pipeline to ensure the cleanliness of the hydraulic oil flowing back into the oil storage chamber 118 .

In any of the above embodiments, further, as shown in FIG. 1 , FIG. 2 , FIG. 3 , FIG. 4 , FIG. 5 and FIG. 7 , the support leg device further includes a support leg 162 , the support leg 162 and the first cover 102 Connected to the second cover plate 108 and disposed at the end where the first cover plate 102 and the second cover plate 108 are connected, the support legs 162 can play a certain supporting role during use.

In any of the above embodiments, further, the first cover plate 110 , the second cover plate 112 , the first cover plate 102 , the second cover plate 108 , the first side plate 104 and the second side plate 106 are welded and connected to The connection strength of the first cover plate 110 , the second cover plate 112 , the first cover plate 102 , the second cover plate 108 , the first side plate 104 and the second side plate 106 is ensured, thereby ensuring the overall strength of the outrigger device.

Embodiment 5:

A fifth embodiment of the present application proposes a work vehicle, comprising: a chassis and the outrigger device as in any of the above-mentioned embodiments (this embodiment is not shown in the figure).

The work vehicle proposed in the present application includes: a chassis and the outrigger device according to any of the above embodiments. Therefore, based on all the beneficial effects of the above-mentioned outrigger devices, they will not be discussed one by one here.

In a specific embodiment, the work vehicle proposed in the present application may be a pump truck.

Specific embodiment one:

As shown in FIG. 1 , FIG. 2 and FIG. 3 , the first specific embodiment of the present application provides a leg device in which the oil storage chamber 118 and the water storage chamber 166 are combined.

The specific structure of the outrigger device is as follows: as shown in Figures 1 and 2, the main body of the outrigger device includes: a first cover plate 102, a second cover plate 108, a first side plate 104, a second side plate 106, The first cover plate 110, the second cover plate 112, and the third cover plate 116; wherein, the first cover plate 102 is used as the upper cover plate, the second cover plate 108 is used as the lower cover plate, and the first side plate 104 is used as the left side The second side plate 106 is used as the right side plate, the first cover plate 110 and the second cover plate 112 are spaced apart, and are connected with the first cover plate 102, the second cover plate 108, the first side plate 104 and the second cover plate 102 at the same time. The two side plates 106 are welded and connected to form a water storage cavity 166; connected to form an oil storage chamber 118 .

In addition, as shown in FIG. 2 and FIG. 3 , the leg device is further provided with two flange openings 146 to facilitate the welding of the first sealing plate 110 and the second sealing plate 112 . The oil storage chamber 118 is also provided with a first reinforcing plate 144a, and the water storage chamber 166 is provided with a second reinforcing plate 144b, which together with the first sealing plate 110 and the second sealing plate 112 play a role in strengthening the strength of the outrigger device , the first reinforcing plate 144a and the second reinforcing plate 144b are provided with an overflow port 164 for the passage of hydraulic oil and liquid respectively; the hydraulic oil storage chamber 118 is provided with a filling port 150, and the filling port 150 is located at the upper part of the outrigger device , the fuel filler 150 is directly welded to the first cover plate 102 of the outrigger device. As shown in FIG. 2, an oil outlet 152 is provided at the bottom of the oil storage chamber 118. The oil outlet 152 is directly arranged on the second cover plate 108 of the outrigger device, and is mainly used for oil and sewage discharge. 152 Usually sealed with a plug. Two oil supply ports 156 are provided at the lower position of the first side plate 104, and the oil supply ports 156 are connected to the hydraulic components through flange joints and oil pipes to supply oil; as shown in FIG. 2, on the first side plate 104 Two oil return ports 158 are also provided, and a filter element 160 is externally connected to the two oil return ports 158 to filter impurities in the hydraulic oil in the oil return pipeline and ensure the cleanliness of the hydraulic oil. The oil storage chamber 118 is also provided with a liquid level measuring component 154 for monitoring the hydraulic oil level in the oil storage chamber 118 at any time. The water storage cavity 166 is provided with a water pump 120 for liquid circulation and transportation; as shown in FIG. 3 , a three-way ball valve is provided at the bottom of the water storage cavity 166 as a reversing valve 130 to control the flow of water.

The working principle of the outrigger device is as follows: the heat dissipation of the oil storage chamber 118 is mainly achieved through two aspects. The first aspect is that the water storage chamber 166 and the oil storage chamber 118 share the first sealing plate 110, and the first sealing plate 110 has good The heat transfer performance of the hydraulic oil can transfer the heat of the hydraulic oil to the liquid in the water storage chamber 166 to achieve cooling and avoid the hydraulic oil temperature being too high; The inlet is connected to the water pump 120, the outlet is directly located at the bottom of the water storage cavity 166, the cooling pipeline 122 also passes through the third sealing plate 116 and contacts with the cooling device 124 at the front of the outrigger device, and the cooling device 124 includes two fans 128 and cooling fins 126; at the position of the cooling device 124, the cooling pipes 122 are bent and arranged, and the cooling pipes 122 are covered with cooling fins 126 to absorb the heat of the liquid in the cooling pipes 122, and realize heat dissipation by air cooling.

In this scheme, the water and heat are alternated by the arrangement of the oil storage chamber 118 and the water storage chamber 166 to achieve the purpose of cooling the hydraulic oil. At the same time, a heat dissipation device 124 is provided to assist heat dissipation, and the overall heat dissipation effect is good, which can ensure the stability of the hydraulic oil temperature and avoid the The hydraulic oil temperature is too high, which improves the working efficiency of the hydraulic system. At the same time, the space inside the outrigger device is used to integrate the oil storage cavity 118, the water storage cavity 166 and the heat sink 124, which greatly saves the space for setting the independent oil storage cavity 118 and the heat sink 124 outside, which is beneficial to the layout of the vehicle.

In particular, when the work vehicle to which the outrigger device is applied is working, the oil storage chamber 118 continuously supplies hydraulic oil to maintain the normal operation of the hydraulic system, and the water pump 120 in the water storage chamber 166 continues to operate, so that the water continuously circulates through the cooling system The pipeline 122 and the heat dissipation device 124 work synchronously to continuously dissipate heat through the fan 128, so that the heat dissipation of the oil storage chamber 118 is realized by the two parts of water cooling and air cooling, so as to maintain the stability of the hydraulic oil temperature and improve the working efficiency of the hydraulic system.

Specific embodiment two:

As shown in FIG. 4 , FIG. 5 and FIG. 6 , the second specific embodiment of the present application provides a leg device in which the oil storage chamber 118 and the first water storage chamber 114 are combined. A first water storage cavity 114 and a second water storage cavity 136 are respectively provided on both sides of the oil storage cavity 118, which increases the contact area between the first water storage cavity 114 and the second water storage cavity 136 and the oil storage cavity 118, for better cooling.

The specific structure of the outrigger device is as follows: as shown in Figures 4 and 5, the main body of the outrigger device includes: a first cover plate 102, a second cover plate 108, a first side plate 104, a second side plate 106, The first sealing board 110 , the second sealing board 112 , the third sealing board 116 , the fourth sealing board 132 and the fifth sealing board 134 . The first cover plate 102 is used as an upper cover plate, the second cover plate 108 is used as a lower cover plate, the first side plate 104 is used as a left side plate, the second side plate 106 is used as a right side plate, and the first cover plate is used as a right side plate. 110 and the second sealing plate 112 are arranged at intervals, and are welded to the first cover plate 102, the second cover plate 108, the first side plate 104 and the second side plate 106 at the same time, thereby forming the first water storage cavity 114; 4 and FIG. 5, the first sealing plate 110, the third sealing plate 116, the fourth sealing plate 132, the first cover plate 102, the second cover plate 108 and the first side plate 104 are welded and connected to form an oil storage chamber 118 ; the third sealing plate 116 , the fifth sealing plate 134 , the first cover plate 102 , the second cover plate 108 , the first side plate 104 and the second side plate 106 are welded and connected to form the second water storage cavity 136 . As shown in FIG. 5 , the first water storage chamber 114 and the second water storage chamber 136 are distributed on both sides of the oil storage chamber 118 and are disposed adjacent to the oil storage chamber 118 .

In addition, as shown in FIGS. 5 and 6 , the first water storage chamber 114 and the second water storage chamber 136 are communicated with the guide grooves 138 of the fourth sealing plate 132 through the three communication pipes of the oil storage chamber 118 penetrating through them. The tube and the fourth sealing plate 132 are made of materials with good heat transfer performance; the first cover plate 102 is provided with a water filling port 148 for adding water. Similarly, as shown in FIG. 5 , the outrigger device is also provided with four flange openings 146 for the convenience of the first sealing plate 110 , the second sealing plate 112 , the third sealing plate 116 , the fourth sealing plate 132 and the fifth sealing plate 110 . Welding of plate 134. The first water storage cavity 114 is also provided with a second reinforcing plate 144b, which functions together with the first sealing plate 110, the second sealing plate 112, the third sealing plate 116, the fourth sealing plate 132 and the fifth sealing plate 134 at the same time. Strengthen the strength of the outrigger device. Wherein, as shown in FIG. 5 , the second reinforcing plate 144b is provided with a flow opening 164 to facilitate the passage of water. The oil storage chamber 118 is provided with an oil filling port 150, and the oil filling port 150 is directly welded to the first cover plate 102 of the outrigger device. As shown in FIG. 5 , an oil outlet 152 is provided at the bottom of the oil storage chamber 118 , which is mainly used for oil discharge and sewage discharge, and the oil outlet 152 is usually sealed with a plug. As shown in FIG. 5 , three oil supply ports 156 are provided at the lower position of the first side plate 104 of the oil storage chamber 118 , and the oil supply ports 156 are connected to various hydraulic components through flange joints and oil pipes to supply oil; as shown in FIG. 5 As shown, two oil return ports 158 are also provided on the first side plate 104, and a filter element 160 is connected to the outside of the oil return ports 158 to filter impurities in the hydraulic oil in the oil return pipeline and ensure the cleanliness of the hydraulic oil; 5, the oil return port 158 is communicated with a filter element 160, and the filter element 160 can return impurities in the oil back and forth.

The working principle of the outrigger device is as follows: the heat dissipation of the oil storage chamber 118 is mainly realized by heat transfer with the first water storage chamber 114 and the second water storage chamber 136; the first water storage chamber 114 and the oil storage chamber 118 are the first The sealing plate 110, the second water storage chamber 136 and the oil storage chamber 118 The third sealing plate 116, the first sealing plate 110 and the third sealing plate 116 have good thermal conductivity, the first sealing plate 110 and the third sealing plate 116 are provided The shape of the multi-slot or wave shape can increase the contact area with the oil storage chamber 118, which can effectively transfer the heat between the hydraulic oil and the water, achieve cooling and avoid the hydraulic oil temperature being too high; in addition, the first water storage chamber The three communication pipes between 114 and the second water storage cavity 136 are connected with the diversion groove 138 of the fourth sealing plate 132, and also have good thermal conductivity, which further increases the contact area between the liquid and the oil storage cavity 118, and at the same time The circulation of liquid in it can better achieve heat transfer and play a role in heat dissipation.

In this solution, the arrangement of the oil storage cavity 118, the first water storage cavity 114 and the second water storage cavity 136 increases the contact area between the first water storage cavity 114 and the second water storage cavity 136 and the oil storage cavity 118, so as to realize The purpose of cooling the hydraulic oil is achieved by alternating water and heat, and the overall heat dissipation effect is good, which can ensure the stability of the hydraulic oil temperature, avoid the hydraulic oil temperature being too high, and improve the working efficiency of the hydraulic system. At the same time, the oil storage cavity 118, the first water storage cavity 114 and the second water storage cavity 136 are integrated by using the inner space of the outrigger device, which greatly saves the space for setting the independent oil storage cavity 118 outside, which is beneficial to the space layout of the whole vehicle and realizes the " Use one leg for multiple purposes."

In particular, when the work vehicle to which the outrigger device is applied is working, since the first water storage chamber 114 and the second water storage chamber 136 are arranged on both sides of the oil storage chamber 118, the contact between the oil storage chamber 118 and the liquid can be increased by increasing the contact between the oil storage chamber 118 and the liquid. At the same time, through the communication pipe between the first water storage chamber 114 and the second water storage chamber 136 on both sides and the diversion groove 138 of the fourth sealing plate 132, it is connected, Further heat dissipation of the oil storage chamber 118 is achieved.

Specific embodiment three:

As shown in FIGS. 7 and 8 , compared with the second embodiment, the oil storage tank 142 is an independent tailor-welded box body, the oil storage tank 142 is provided with an oil storage cavity 118 inside, and the oil storage tank 142 is directly placed in the water storage chamber 166 . The front, rear, left and right sealing plates of the oil storage tank 142 are made of materials with good thermal conductivity and are multi-slot-shaped, and the bottom sealing plate is wavy, which further increases the contact area between the oil storage tank 142 and the liquid in the water storage cavity 166. Has better heat dissipation performance.

Therefore, in the technical solution proposed in this application, the water storage cavity 166 is integrated with the main structure of the outrigger device, instead of being independently built-in and installed inside the main structure of the outrigger; the outrigger device has both water and hydraulic oil storage devices. Function, that is, the outrigger device is provided with a water storage cavity 166 and an oil storage tank 142 at the same time; the problem of heat dissipation of the oil storage tank 142 in the outrigger device is solved.

In particular, in the outrigger device proposed in the present application, the first water storage cavity 114 , the second water storage cavity 136 and the oil storage cavity 118 are welded together with the outriggers in one piece. The front and rear sealing plates of the water cavity 136 and the oil storage cavity 118 are not only the box body, but also the reinforcing rib plate of the outrigger device; The communication mode of the first water storage chamber 114 and the second water storage chamber 136 realizes the heat dissipation of the hydraulic oil and protects the hydraulic system; the space of the outrigger device can be fully utilized, and the first water storage chamber 114, the second water storage chamber 136 and the The oil storage cavity 118 is arranged in the outrigger device, which saves the space for arranging the independent box-shaped space and the heat dissipation device 124 outside, and facilitates the space arrangement of the whole vehicle.

In the description of this application, the term "plurality" refers to two or more than two, unless otherwise expressly defined, the orientation or positional relationship indicated by the terms "upper", "lower" etc. is based on what is shown in the accompanying drawings The orientation or positional relationship is only for the convenience of describing the application and simplifying the description, rather than indicating or implying that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation on the application; The terms "connected", "installed", "fixed", etc. should be understood in a broad sense. For example, "connected" can be a fixed connection, a detachable connection, or an integral connection; it can be directly connected, or through an intermediate connection. media are indirectly connected. For those of ordinary skill in the art, the specific meanings of the above terms in this application can be understood according to specific situations.

In the description of this specification, the description of the terms "one embodiment", "some embodiments", "specific embodiment", etc. means that a particular feature, structure, material or characteristic described in connection with the embodiment or example is included in this application at least one embodiment or example of . In this specification, schematic representations of the above terms do not necessarily refer to the same embodiment or instance. Furthermore, the particular features, structures, materials or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The above are only preferred embodiments of the present application, and are not intended to limit the present application. For those skilled in the art, the present application may have various modifications and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of this application shall be included within the protection scope of this application.

Claims

An outrigger device, comprising:

the first cover;

a first side plate, one side of the first side plate is connected with one side of the first cover plate;

a second side plate, one side of the second side plate is connected with the other side of the first cover plate;

a second cover plate, the second cover plate is connected with the other side of the first side plate and the other side of the second side plate;

Wherein, the first cover plate, the second cover plate, the first side plate and the second side plate enclose a box-shaped space, and a water storage cavity and an oil storage cavity are formed in the box-shaped space , the water storage cavity and the oil storage cavity are arranged side by side or nested, and the water storage cavity and the oil storage cavity are separated by a heat conduction plate.
The outrigger device of claim 1, further comprising:

a first sealing plate, the first sealing plate is connected with the first cover plate, the second cover plate, the first side plate and the second side plate;

A second cover plate, the first cover plate and the second cover plate are spaced apart from the first cover plate, the second cover plate, the first side plate and the second side plate connected;

A third sealing plate is spaced apart from the first sealing plate, and the third sealing plate is opposite to the first cover plate, the second cover plate, the first side plate and the second side plate connect;

Wherein, the first cover plate, the second cover plate, the first cover plate, the second cover plate, the first side plate and the second side plate together define the water storage cavity; the first sealing plate, the third sealing plate, the first cover plate, the second cover plate, the first side plate and the second side plate together define the oil storage cavity.
The outrigger device of claim 1, further comprising:

a first sealing plate, the first sealing plate is connected with the first cover plate, the second cover plate, the first side plate and the second side plate;

A second cover plate, the first cover plate and the second cover plate are spaced apart from the first cover plate, the second cover plate, the first side plate and the second side plate connected;

Wherein, the first cover plate, the second cover plate, the first cover plate, the second cover plate, the first side plate and the second side plate together define the water storage The oil storage cavity is nested in the water storage cavity.
The outrigger device of claim 1, further comprising:

a first sealing plate, the first sealing plate is connected with the first cover plate, the second cover plate, the first side plate and the second side plate;

A second cover plate, the first cover plate and the second cover plate are spaced apart from the first cover plate, the second cover plate, the first side plate and the second side plate connected;

a third cover plate, arranged at intervals from the first cover plate, the third cover plate is connected with the first cover plate, the second cover plate and the first side plate;

A fourth sealing plate is arranged between the first sealing plate and the third sealing plate, and is spaced from the second side plate, and the fourth sealing plate is connected to the first cover plate, the The second cover plate, the first cover plate and the third cover plate are connected;

A fifth sealing plate is arranged on the side of the third sealing plate away from the first sealing plate, and is spaced apart from the third sealing plate. the second cover plate, the first side plate and the second side plate are connected;

Wherein, the water storage cavity includes a first water storage cavity and a second water storage cavity, the first sealing plate, the second sealing plate, the first cover plate, the second cover plate, the The first side plate and the second side plate together define the first water storage cavity, the first cover plate, the third cover plate, the fourth cover plate, the first cover plate, the The second cover plate and the first side plate together define the oil storage cavity, the third cover plate, the fifth cover plate, the first cover plate, the second cover plate, the The first side plate and the second side plate together define the second water storage cavity.
The outrigger device of claim 4, further comprising:

A diversion groove is formed on the side of the fourth sealing plate facing away from the oil storage cavity, and two ends of the diversion groove are respectively communicated with the first water storage cavity and the second water storage cavity ;and / or

A communication pipeline is arranged through the oil storage cavity and communicated with the first water storage cavity and the second water storage cavity.
The outrigger device of any one of claims 1 to 5, further comprising:

a water pump, arranged in the water storage cavity;

A cooling pipeline, the inlet of the cooling pipeline is connected to the water pump, the outlet of the cooling pipeline is communicated with the water storage cavity, and the cooling pipeline is at least partially located in the oil storage cavity.
The outrigger device of claim 6, further comprising:

a heat dissipation device, the cooling pipeline is at least partially disposed through the heat dissipation device;

Wherein, the cooling device includes:

a heat sink, the cooling pipeline is penetrated through the heat sink;

The fan is arranged opposite to the heat sink.
The outrigger device of claim 6, further comprising:

a reversing valve, the inlet of the reversing valve is communicated with the outlet of the water pump, and the first outlet of the reversing valve is communicated with the inlet of the cooling pipeline;

A cleaning pipeline, the inlet of the cleaning pipeline is communicated with the second outlet of the reversing valve.
The outrigger device of any one of claims 1 to 5, further comprising:

a reinforcing plate, which is arranged in the water storage cavity and/or the oil storage cavity, and is provided with an overflow port on the reinforcing plate;

a flange port, arranged on the first side plate and/or the second side plate;

a water filling port, which is arranged on the first cover plate and communicates with the water storage cavity;

an oil filling port, which is arranged on the first cover plate and communicates with the oil storage cavity;

an oil outlet, arranged on the second cover plate, and communicated with the oil storage cavity;

The liquid level measuring component is arranged in the oil storage cavity;

an oil supply port, arranged on the first side plate and/or the second side plate, and communicated with the oil storage cavity;

an oil return port, arranged on the first side plate and/or the second side plate, and communicated with the oil storage cavity;

The filter part is arranged at the oil return port.
A work vehicle comprising:

chassis; and

The outrigger device according to any one of claims 1 to 9, the outrigger device is connected with the chassis;

Wherein, the outrigger device further includes a support leg for supporting the work vehicle, and the support leg is connected with the first cover plate and the second cover plate.