WO2023029364A1

WO2023029364A1 - Fixed turret and working machine

Info

Publication number: WO2023029364A1
Application number: PCT/CN2022/073525
Authority: WO
Inventors: 黄运明; 刘思琪; 连斌
Original assignee: 三一汽车制造有限公司
Priority date: 2021-08-31
Filing date: 2022-01-24
Publication date: 2023-03-09
Also published as: CN215672920U

Abstract

A fixed turret and a working machine. The fixed turret comprises: a turret base (11, 12); channels (17, 19) formed in the turret base for receiving telescopic legs; and an expansion oil tank (16, 18), wherein an oil cavity of the expansion oil tank (16, 18) is provided in the turret base and is formed above or below the channel. In this way, the fixed turret is provided with an expansion oil tank, and an oil cavity of the expansion oil tank is provided in the turret base and makes full use of the space above or below the channel in the turret base, such that the structure of the fixed turret is more compact.

Description

Fixed turret and working machinery

Cross References to Related Applications

This application claims the priority of the Chinese patent application with application number 202122081372.X and titled "Fixed Turret and Operating Machinery" filed on August 31, 2021, which is incorporated herein by reference in its entirety.

technical field

The present application relates to the technical field of working machines, in particular to a fixed turret and working machines.

Background technique

The concrete pump truck mainly relies on the hydraulic system to provide the power source for each power component. As the pumping height of the concrete pump truck gets higher and higher, the required hydraulic oil volume is also larger, and the volume of the fuel tank is also larger.

A hydraulic oil tank for a concrete pump truck in the prior art is installed on a fixed turret by welding, and utilizes the space of the fixed turret.

However, this fuel tank structure increases the occupied space of the fixed turret, making the structure of the fixed turret not compact enough.

Contents of the invention

The application provides a fixed turret and a working machine. The fixed turret is provided with an expansion oil tank, and the oil cavity of the expansion oil tank is arranged in the turret base and makes full use of the space above or below the channel in the turret base, so that the fixed turret The structure of the tower is more compact.

The first aspect of the present application provides a fixed turret, comprising:

turret base;

a channel formed in the turret base, the channel is used to accommodate telescopic legs;

The capacity expansion oil tank has an oil chamber arranged in the turret base and formed above or below the passage.

According to the fixed turret provided by the present application, the channel includes a first channel and a second channel, the first channel and the second channel are vertically intersected and stacked, and the first channel is located on the second channel. Below the second passage, the expansion oil tank is at least disposed above the first passage or below the second passage.

According to the fixed turret provided by the present application, the expansion oil tank includes a first expansion oil tank and a second expansion oil tank, the first expansion oil tank is located above the first channel, and the second expansion oil tank is located at the second below the channel.

According to the fixed turret provided by the present application, a first hollow passage is provided above the first passage, the first hollow passage is arranged parallel to the first passage, and the first hollow passage is surrounded by the second passage. Separated into two parts located on both sides thereof, the part of the two parts away from the direction in which the telescopic outrigger protrudes forms the expansion oil tank; and/or,

A second hollow channel is provided below the second channel, the second hollow channel is arranged in parallel with the second channel, and the second hollow channel is separated into two parts on both sides by the second channel , the part in the direction extending away from the telescopic outrigger in the two parts forms the expansion oil tank.

According to the fixed turret provided by the present application, it further includes a main oil tank, the oil chamber of which is arranged in the turret seat and at the side of the channel, and the main oil tank communicates with the expansion oil tank.

According to the fixed turret provided by the present application, the turret seat includes a first support and a second support intersecting each other, and the first ends of the first support and the second support are used to be hinged with the swing legs , the main body oil tank includes a first main body oil tank and a second main body oil tank, the first main body oil tank is formed between the first end of the first support and the intersection of the first support and the second support , the second main body oil tank is formed between the first end of the second support and the intersection point, and the first main body oil tank communicates with the second main body oil tank;

The expansion oil tank includes a first expansion oil tank and a second expansion oil tank, the first expansion oil tank is arranged adjacent to the first main body oil tank and the two are connected, and the second expansion oil tank is arranged adjacent to the second main body oil tank and the two are connected.

According to the fixed turret provided by the present application, the channel includes a first channel and a second channel, the first channel and the second channel are vertically intersected and stacked, and the first channel is located on the second channel. Below the two channels, the first channel is located in the first support, the second channel is located in the second support, above the first channel and at the intersection with the The first expansion oil tank is formed between the first ends of the first support, and the second expansion oil tank is formed below the second passage and between the intersection point and the first end of the second support. .

According to the fixed turret provided by the present application, the back plate of the first main body oil tank is provided with a first communicating port that communicates with the first expansion oil tank; The second communication port through which the two expansion oil tanks are connected.

A second aspect of the present application provides a work machine, comprising a telescopic outrigger and the fixed turret according to any one of the above items, the telescopic outrigger can be accommodated in the channel.

According to the working machine provided in the present application, the working machine includes a pump truck.

The fixed turret provided by this application includes a turret base and an expansion oil tank. The turret base is provided with a channel for accommodating telescopic outriggers. The expansion oil tank is arranged inside the turret base, and the oil cavity of the expansion oil tank is formed above or below the channel. Location. The oil cavity of the expanded oil tank is arranged in the turret base and fully utilizes the space above or below the channel in the turret base, so that the structure of the fixed turret is more compact.

A second aspect of the present application provides a work machine, comprising a telescopic outrigger and the fixed turret according to any one of the above items, the telescopic outrigger can be accommodated in the channel. In this way, the oil cavity of the expanding oil tank of the working machine provided by the present application is arranged in the turret base and the space above or below the channel in the turret base is fully utilized, so that the structure of the fixed turret is more compact. The derivation process of the beneficial effect is generally similar to the derivation process of the above-mentioned beneficial effect brought by the fixed turret, and will not be repeated here.

Description of drawings

In order to more clearly illustrate the technical solutions in this application or the prior art, the accompanying drawings that need to be used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the accompanying drawings in the following description are the present For some embodiments of the application, those skilled in the art can also obtain other drawings based on these drawings without creative work.

Fig. 1 is a schematic diagram of the external structure of the main fuel tank of the fixed turret provided by the embodiment of the present application;

Fig. 2 is a schematic diagram of the external structure of the first expansion fuel tank of the fixed turret provided by the embodiment of the present application;

Fig. 3 is a schematic diagram of the external structure of the second expansion fuel tank of the fixed turret provided by the embodiment of the present application;

Fig. 4 is a schematic diagram of the internal structure of the main fuel tank of the fixed turret provided by the embodiment of the present application;

Fig. 5 is a schematic diagram of the internal structure of the first expansion fuel tank of the fixed turret provided by the embodiment of the present application;

Fig. 6 is a schematic diagram of the internal structure of the second expansion fuel tank of the fixed turret provided by the embodiment of the present application;

Reference signs:

11: The first support; 12: The second support; 13: The first main body fuel tank;

14: Second main body fuel tank; 15: Connecting tank; 16: First expansion fuel tank;

17: The first channel; 18: The second expansion tank; 19: The second channel;

20: the first communication port; 21: the second communication port.

Detailed ways

In order to make the purpose, technical solutions and advantages of this application clearer, the technical solutions in this application will be clearly and completely described below in conjunction with the accompanying drawings in this application. Obviously, the described embodiments are part of the embodiments of this application , but not all examples. Based on the embodiments in this application, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of this application.

The fixed turret and the working machine in the embodiment of the present application will be described below with reference to FIGS. 1-6 .

In this embodiment, the fixed turret includes a turret base and an expansion fuel tank, wherein a channel is provided inside the turret base, and the channel is used to accommodate telescopic outriggers.

The expansion oil tank is arranged inside the turret base, and the oil cavity of the expansion oil tank is formed above or below the channel.

In this arrangement, the oil cavity of the expansion oil tank is arranged in the turret base and the space above or below the channel in the turret base is fully utilized, so that the structure of the fixed turret is more compact.

In a further embodiment, the turret base includes a first support 11 and a second support 12 intersecting each other, the first support 11 is provided with a first hollow passage, and the second support 12 is provided with a second hollow passage.

It should be noted that the turret base in this embodiment is the same as the turret base in the prior art: the first support 11 and the second support 12 are arranged crosswise to form an X-shaped structure, and the first support The seat 11 is provided with a first channel 17 for installing the first telescopic outrigger of the working machine, and the second support 12 is provided with a second channel 19 for installing the second telescopic outrigger of the working machine, and the first support 11 is provided with There is a first hollow channel, and the second support 12 is provided with a second hollow channel.

The first telescopic outrigger and the second telescopic outrigger can slide in the first channel 17 and the second channel 19 respectively, so as to be telescopic. In order to prevent the first telescopic outrigger and the second telescopic outrigger from interfering with each other when stretching, the first passage 17 and the second passage 19 are arranged in a dislocation up and down. For example, the first passage 17 is arranged at the lower part of the first support 11, as As shown in Figure 2; the second channel 19 is arranged on the upper position of the second support 12, as shown in Figure 3; like this, the first telescopic support leg and the second telescopic support leg form an up and down misalignment, and the two will not expand and contract interfere with each other. At the same time, mutually misaligned blind passage structures, ie, the first hollow passage and the second hollow passage, are formed inside the first support 11 and the second support 12 .

When the first channel 17 is arranged at the lower position of the first support 11, the first hollow channel is located at the upper position of the first support 11; correspondingly, the second channel 19 is arranged at the upper position of the second support 12, the second The two hollow passages are located at the lower part of the second support 12 . Wherein, the first passage 17 divides the second hollow passage into two parts from the central position, and the second passage 19 divides the first hollow passage into two parts from the central position.

In this embodiment, the cavity space of the first hollow channel and the second hollow channel is utilized, that is, the oil cavity of the expansion oil tank is arranged in at least one of the first hollow channel and the second hollow channel, and the expansion oil tank and the main body The fuel tank is connected.

In this way, the expansion fuel tank on the turret base makes full use of the blind channel structure on the turret base as the oil chamber of the expansion fuel tank, fully utilizes the existing space of the turret base, and ensures that the structure of the fixed turret has a high compactness. On the basis of performance, the overall volume of the fuel tank is effectively increased to meet the needs of the entire vehicle for the volume of the fuel tank.

In a further embodiment, the expansion oil tank includes two, respectively the first expansion oil tank 16 and the second expansion oil tank 18, wherein the oil cavity of the first expansion oil tank 16 is arranged in the first hollow passage; the second expansion oil tank 18 The oil chamber is set in the second hollow channel. Moreover, both the first expansion oil tank 16 and the second expansion oil tank 18 communicate with the main body oil tank.

Both the first hollow channel and the second hollow channel are provided with oil chambers for accommodating hydraulic oil. Such arrangement further makes full use of the space of the blind channel structure and increases the overall volume of the oil tank.

It should be noted that the side wall of the oil chamber of the above-mentioned expansion oil tank can be composed of the side wall of the blind channel structure and the connecting plate airtightly connected with the side wall of the blind channel structure. The side wall of the blind channel structure and the connecting plate form a closed space, and then This closed space can be used for the oil cavity. The specific shape and structure of the expansion fuel tank can be specifically set according to the actual situation, and will not be repeated here.

In a further embodiment, the turret base is also provided with a main fuel tank, and the overall volume of the main fuel tank and the expansion tank is relatively large, effectively increasing the overall volume of the fuel tank.

Further, the main body oil tank includes a first main body oil tank 13 and a second main body oil tank 14, wherein the first main body oil tank 13 is arranged on the first support 11; the second main body oil tank 14 is arranged on the second support 12, and the second main body oil tank 14 is arranged on the second The main body oil tank 14 communicates with the first main body oil tank 13 .

The first main body oil tank 13 and the second main body oil tank 14 can be jointly surrounded by the side walls and the connecting plate of the first support 11 and the second support 12, and the main body oil tanks are respectively arranged on the two supports, and the two main bodies The oil cavities of the fuel tank are connected to each other, further increasing the overall volume of the fuel tank.

In a further embodiment, the first main body oil tank 13 and the second main body oil tank 14 are respectively arranged in corresponding surfaces of the first support 11 and the second support 12 .

In this way, the first main body oil tank 13 and the second main body oil tank 14 are located close to the space between the first support 11 and the second support 12, and the first main body oil tank 13 and the second main body oil tank 14 will not encroach on the rotational speed. The space outside the tower base avoids interference with the installation of other parts of the working machine.

In order to facilitate the communication between the first main body oil tank 13 and the second main body oil tank 14 , a communication groove 15 may be provided between them, through which the oil cavities of the first main body oil tank 13 and the second main body oil tank 14 are communicated.

The first main body oil tank 13 and the second main body oil tank 14 are arranged in the first support 11 and the second support 12 respectively, and only the side wall of the first hollow passage is passed between the first main body oil tank 13 and the first expansion oil tank 16 Separated, the side wall of the first hollow passage is the back plate of the first main body oil tank 13 . In order to facilitate the communication between the first main body oil tank 13 and the first expansion oil tank 16 , a first communication port 20 may be opened on the back plate to connect the oil chambers of the two, as shown in FIG. 4 and FIG. 5 . Similarly, in the same way, the second communication port 21 can be opened on the back plate of the second main body oil tank 14 to realize the oil cavity communication between the second main body oil tank 14 and the second expansion oil tank 18, as shown in Figure 4 and Figure 6 .

In order to facilitate the flow of hydraulic oil between the first main body oil tank 13 and the first expansion oil tank 16, the above-mentioned first communication port 20 can be set in multiples, for example, it can be specifically set to two, and the two first communication ports 20 are arranged along the first The longitudinal direction of a seat 11 is distributed.

Similarly, in order to facilitate the hydraulic oil circulation between the second main oil tank 14 and the second expansion oil tank 18 , the above-mentioned second communication ports 21 are provided in multiples and distributed along the length direction of the second support 12 .

In addition, it should be noted that, in order to facilitate the arrangement of the valve group components of the working machine, in this embodiment, both the first hollow passage and the second hollow passage include a front passage section and a rear passage section, wherein the front passage section and the rear passage section are composed of Channels for installing telescoping outriggers are separated. For example, the first hollow passage is divided into a front passage section and a rear passage section by the middle part of the second passage 19 , and the second hollow passage is divided into a front passage section and a rear passage section by the middle part of the first passage 17 .

It should be noted that not only telescopic outriggers are installed on the turret base, but also swing outriggers are installed on the first ends of the first support 11 and the second support 12 . The above-mentioned front passage section is relatively closer to the first end of the swing outrigger mounted on the turret base.

The oil chambers of the first expansion oil tank 16 and the second expansion oil tank 18 are all arranged in the front passage section, correspondingly, the first main body oil tank 13 and the second main body oil tank 14 are respectively arranged on the first expansion oil tank 16 and the second expansion oil tank. The corresponding position of 18. With this arrangement, it is more convenient to arrange the valve group parts of the working machine and to arrange the connection between the hydraulic system and the main oil tank.

An operating machine is also provided in the embodiment of the present application, including telescopic outriggers and a turret base, the turret base is the turret base described in any of the above embodiments, and the telescopic outriggers can be accommodated in the channel of the turret base Inside.

In this way, the operating machine provided by the present application integrates the main fuel tank and the expansion fuel tank on the turret base, wherein the expansion fuel tank fully utilizes the blind channel structure on the turret base as the oil cavity of the expansion fuel tank, and fully utilizes the capacity of the turret base. The existing space effectively increases the overall volume of the fuel tank to meet the needs of the entire vehicle for the use of the fuel tank volume. The derivation process of this beneficial effect is generally similar to the derivation process of the beneficial effect brought by the above-mentioned turret base, and will not be repeated here.

In this embodiment, the working machine may specifically be a pump truck, and the turret seat of the pump truck is the turret seat in any of the above-mentioned embodiments. Of course, in other embodiments, the above-mentioned working machines may also be other types of working machines, such as excavators, cranes and the like.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solutions of the present application, rather than limiting them; although the present application has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art should understand that: it can still Modifications are made to the technical solutions described in the foregoing embodiments, or equivalent replacements are made to some of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the various embodiments of the present application.

Claims

A fixed turret, characterized in that it comprises:

turret base;

a channel formed in the turret base, the channel is used to accommodate telescopic legs;

The capacity expansion oil tank has an oil chamber arranged in the turret base and formed above or below the passage.
The fixed turret according to claim 1, wherein the passage includes a first passage and a second passage, and the first passage and the second passage are vertically cross-stacked, and the first passage A passage is located below the second passage, and the capacity expansion tank is at least disposed above the first passage or below the second passage.
The fixed turret according to claim 2, wherein the expansion tank includes a first expansion tank and a second expansion tank, the first expansion tank is located above the first channel, and the second expansion tank is located above the first passage. The oil tank is located below the second channel.
The fixed turret according to claim 2, wherein a first hollow passage is arranged above the first passage, the first hollow passage is arranged parallel to the first passage, and the first hollow passage The second channel is divided into two parts located on both sides thereof, and the part of the two parts away from the direction in which the telescopic legs protrude forms the expansion oil tank; and/or,

A second hollow channel is provided below the second channel, the second hollow channel is arranged in parallel with the second channel, and the second hollow channel is separated into two parts on both sides by the second channel , the part in the direction extending away from the telescopic outrigger in the two parts forms the expansion oil tank.
The fixed turret according to claim 1, further comprising a main body oil tank, the oil chamber of which is arranged in the turret base and is located at the side of the passage, and the main body oil tank communicates with the expansion oil tank .
The fixed turret according to claim 5, wherein the turret seat comprises a first support and a second support intersecting each other, and the first ends of the first support and the second support are used for Because it is hinged with the swing leg, the main body oil tank includes a first main body oil tank and a second main body oil tank, and the intersection point between the first end of the first support and the first support and the second support is formed. The first main body oil tank, the second main body oil tank is formed between the first end of the second support and the intersection point, and the first main body oil tank communicates with the second main body oil tank;

The expansion oil tank includes a first expansion oil tank and a second expansion oil tank, the first expansion oil tank is arranged adjacent to the first main body oil tank and the two are connected, and the second expansion oil tank is arranged adjacent to the second main body oil tank and the two are connected.
The fixed turret according to claim 6, wherein the passage includes a first passage and a second passage, and the first passage and the second passage are vertically cross-stacked, and the first passage A channel is located below the second channel, the first channel is located in the first support, the second channel is located in the second support, above the first channel and in the The first expansion oil tank is formed between the intersection point and the first end of the first support, and is formed below the second passage and between the intersection point and the first end of the second support. The second oil expansion tank.
The fixed turret according to claim 7, wherein the back plate of the first main body oil tank is provided with a first communication port communicating with the first expansion oil tank; the back plate of the second main body oil tank A second communication port communicating with the second expansion oil tank is provided.
An operating machine, characterized by comprising telescopic outriggers and the fixed turret according to any one of claims 1-8, the telescopic outriggers can be accommodated in the channel.
The work machine of claim 9, wherein the work machine comprises a pump truck.