CN220577226U

CN220577226U - Braking spraying system and working machine

Info

Publication number: CN220577226U
Application number: CN202321676473.4U
Authority: CN
Inventors: 吴仲吉; 谢冰冰; 彭亮; 段沛; 连冬
Original assignee: Zoomlion Heavy Industry Science and Technology Co Ltd
Current assignee: Zoomlion Heavy Industry Science and Technology Co Ltd
Priority date: 2023-06-28
Filing date: 2023-06-28
Publication date: 2024-03-12
Anticipated expiration: 2033-06-28

Abstract

The utility model provides a brake spraying system for spraying and cooling a brake drum of a vehicle, which comprises the following components: when the temperature needs to be reduced by spraying, the control valve is opened, liquid in the water tank is conveyed to the water pump through the second pipeline, the liquid is pressurized by the water pump and conveyed to the spray head through the second pipeline, and the brake drum of the vehicle is sprayed by the spray head. In addition, the water tank in this application is direct through gas port and external intercommunication, can not produce inside and outside pressure differential between the inside and the external of water tank in the spraying process, has avoided the water tank to take place to expand or inhale flat phenomenon.

Description

Braking spraying system and working machine

Technical Field

The utility model relates to the technical field of automobile brake cooling, in particular to a brake spraying system and an operation machine.

Background

Under the condition of long-time braking, the mining vehicle or the large-sized vehicle continuously rubs and heats the brake drum and the friction plate, so that the brake drum and the brake lining are overheated, the braking heat is degenerated, the braking performance is seriously reduced, even the situation of braking failure occurs, and the driving safety is seriously endangered. In order to solve the above-described problems, a brake shower system is generally provided in a work machine. The existing braking spraying system mainly comprises a water tank, an air source component, an electromagnetic valve, a filter, a water spraying pipe, a spray head and the like. The auxiliary air source is adopted as the power source of the braking spraying system, air is required to be taken from the air storage tank of the braking system, and the components such as the air circuit, the pressure regulating valve and the like are added, so that the structural arrangement of the whole braking spraying system is more complex, and the production cost is increased. In addition, when adopting the auxiliary air supply, the water tank is the closure water tank, and when the internal air pressure of air-vent valve regulation water tank, the instability and the transient time delay nature that can produce lead to the water tank to take place inflation or inhale flat phenomenon, and the water tank is damaged easily.

Disclosure of Invention

In view of the above, the utility model aims to provide a braking spraying system, which aims to solve the technical problems that the structure arrangement is complex due to the adoption of an auxiliary air source, the production cost is high, and the water tank is easy to damage due to the expansion or the shrinkage phenomenon of the water tank caused by the adoption of the auxiliary air source.

The utility model provides a brake spraying system, which is used for spraying and cooling a brake drum of a vehicle, and comprises the following components:

the water tank is provided with an air port, and the inside of the water tank is communicated with the outside through the air port;

the water pump is communicated with the water tank through a first pipeline and is used for pressurizing liquid of the first pipeline;

the control valve is arranged on the first pipeline and used for controlling the first pipeline to be conducted or closed;

the spray head is communicated with the water pump through a second pipeline and is used for spraying water to the brake drum of the vehicle.

Optionally, the second pipeline includes a plurality of grades of main lines and a plurality of bleeder lines, the former stage the main lines of preceding stage communicate with the latter stage through the multi-pass connector the main lines of preceding stage flow to the latter stage the main lines, the bleeder lines pass through the multi-pass connector with the main lines communicates, the bleeder lines keep away from the one end of multi-pass connector with the shower nozzle communicates, the direction of liquid flow is the main lines flow to the bleeder lines.

Optionally, the main pipeline of a plurality of levels includes one-level main pipeline, second grade main pipeline and tertiary main pipeline, the multiway union includes first connector, second connector and third connector, the one-level main pipeline passes through first connector with second grade main pipeline intercommunication, first connector is still respectively two communicate branch pipeline, second grade main pipeline passes through the second connector all with tertiary main pipeline intercommunication, tertiary main pipeline is kept away from the one end of second connector is passed through third connector and two branch pipeline intercommunication.

Optionally, the inner diameter of the main pipe of the previous stage is larger than the inner diameter of the main pipe of the subsequent stage, and the inner diameter of the main pipe is larger than the inner diameter of the branch pipe.

Optionally, a water outlet is formed in the bottom of the water tank, and the water outlet is in threaded connection with the first pipeline.

Optionally, a filter is disposed on the first pipeline, and the filter is fixed on the vehicle.

Optionally, a level gauge for observing the level of the liquid in the water tank is arranged on the water tank.

Optionally, the water tank is fixed on the vehicle through a plurality of anchor clamps.

Optionally, a water filling pipe is communicated with the side surface of the water tank.

The utility model provides a working machine, which comprises the brake spraying system.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some embodiments of the present utility model and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic diagram of a brake shower system of the present utility model;

FIG. 2 is a schematic diagram of the structure at D in FIG. 1;

FIG. 3 is a schematic view of another angular configuration of the brake shower system of the present utility model;

FIG. 4 is a schematic diagram of the structure shown at A in FIG. 3;

FIG. 5 is a schematic diagram of the structure at B in FIG. 3;

fig. 6 is a schematic diagram of the structure at C in fig. 3.

Reference numerals: 1. a water tank; 11. an air port; 12. a water outlet; 13. a water filling pipe; 2. a water pump; 3. a control valve; 4. a spray head; 5. a first pipeline; 6. a second pipeline; 60. a branch pipeline; 61. a primary main pipeline; 62. a secondary main pipeline; 63. a third-stage main pipeline; 71. a first connector; 72. a second connector; 73. a third connector; 8. a filter; 9. a liquid level gauge; 10. and (5) hooping.

Detailed Description

Specific embodiments of the present utility model will be described in detail below with reference to the accompanying drawings. It will be apparent that the described embodiments are only some, but not all, embodiments of the utility model. All other embodiments, which can be made by those skilled in the art without making any inventive effort, are intended to be within the scope of the present utility model.

In the description of the present utility model, unless explicitly stated and limited otherwise, the terms "disposed," "mounted," "connected," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be directly connected or indirectly connected through an intermediate medium. The specific meaning of the terms described above will be understood to those of ordinary skill in the art in a specific context.

The terms "upper," "lower," "left," "right," "front," "rear," "top," "bottom," "inner," "outer," and the like are used as references to orientations or positional relationships based on the orientation or positional relationships shown in the drawings, or the orientation or positional relationships in which the inventive product is conventionally disposed in use, merely for convenience of description and simplicity of description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be configured and operated in a particular orientation, and therefore are not to be construed as limiting the utility model.

The terms "first," "second," "third," and the like, are merely used for distinguishing between similar elements and not necessarily for indicating or implying a relative importance or order.

The terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a list of elements does not include only those elements but may include other elements not expressly listed.

Referring to fig. 1 to 3, an embodiment of the present utility model provides a brake spray system for performing spray cooling on a brake drum of a vehicle, including:

the water tank 1 is provided with an air port 11, and the inside of the water tank 1 is communicated with the outside through the air port 11;

a water pump 2, wherein the water pump 2 is communicated with the water tank 1 through a first pipeline 5 and is used for pressurizing liquid of the first pipeline 5;

a control valve 3, wherein the control valve 3 is arranged on the first pipeline 5 and is used for controlling the conduction or closing of the first pipeline 5;

the spray head 4 is communicated with the water pump 2 through a second pipeline 6 and is used for spraying water to the brake drum of the vehicle;

when the vehicle needs to be sprayed and cooled, the control valve 3 is opened, the liquid in the water tank 1 is conveyed to the water pump 2 through the second pipeline 6, the water pump 2 pressurizes the liquid, the liquid is conveyed to the spray head 4 through the second pipeline 6, the spray head 4 sprays the brake drum of the vehicle, and the air port 11 enables the air pressure of the water tank 1 to be consistent with that of the outside.

In the prior art, a water tank, an air source assembly, an electromagnetic valve, a filter, a water spray pipe, a spray head and the like. The air source component is communicated with the water tank through the ventilation pipeline and is used for generating discharge pressure for water in the water tank, the spray head is communicated with the water tank through the drainage pipeline, and the electromagnetic valve is arranged on the drainage pipeline. When the brake system of the working machine needs to be subjected to cooling treatment, the electromagnetic valve on the water draining pipeline is opened. The air source assembly ventilates the water tank through a ventilation pipeline. Under the pressure of the air source assembly, water in the water tank is conveyed into the spray head through the drainage pipeline. The spray head sprays water into a braking system of the working machine so as to realize the effect of braking and cooling.

Therefore, the auxiliary air source is adopted as the power source of the spraying system in the prior art, air needs to be taken from the air storage tank of the braking system, and the components such as the air circuit, the pressure regulating valve and the like are added, so that the structural arrangement of the whole spraying system is more complex, and the production cost is increased. When adopting the auxiliary air supply, the water tank is the closure aluminum alloy water tank, and when the internal air pressure of air-vent valve regulation water tank, the instability and the transient delay that can produce can lead to the water tank to take place to expand or inhale flat phenomenon, and stability to the water tank welded seam structure influences greatly, easily leads to the water tank to damage. In addition, the air pressure and the water level potential can also influence the flow rate and the flow rate when the spray head sprays, the water level is reduced along with the operation, and the flow rate when the spray head sprays are also changed due to the change of the air pressure, so that the spray head cannot maintain constant flow rate and flow rate.

Compared with the prior art, the device and the method cancel components such as an air source component, a ventilation pipeline and the like, pressurize liquid through the water pump 2, optimize the configuration structure of a braking spraying system and save production cost; in addition, the water tank 1 in this application is directly through gas port 11 and external intercommunication, can not produce inside and outside pressure differential between the inside and the external of water tank 1 in the spraying process, has avoided water tank 1 to take place inflation or has inhaled flat phenomenon. In addition, the water flow and the flow rate are controlled by adjusting the air pressure in the prior art, and the water flow and the flow rate are controlled by the water pump 2 instead, so that the control of the water flow and the flow rate is more accurate.

The brake shower system of the present application is applied to work machines, such as mining cards and the like. The work machine described above includes a braking system and a brake shower system as described above. The spray head 4 is arranged in cooperation with the braking system to spray the braking system and reduce the temperature of the braking system. In this application, a brake system includes a front axle brake drum, a center axle brake drum, and a rear axle brake drum. In the present embodiment, the spray heads 4 are provided in plural correspondingly, and are provided at the front axle brake drum, the intermediate axle brake drum, and the rear axle brake drum, respectively, and are used for spraying the front axle brake drum, the intermediate axle brake drum, and the rear axle brake drum, respectively. Specifically, each of the above-described brake drums includes a brake bottom plate, and the head 4 is fixed to a welding screw of the brake bottom plate.

Since the working machine often includes brake drums at a plurality of different positions, in a possible embodiment, the second pipeline 6 includes a plurality of main pipelines and a plurality of branch pipelines 60, the main pipeline of the previous stage is communicated with the main pipeline of the next stage through a multi-way connector, the direction of liquid flow is that the main pipeline of the previous stage flows to the main pipeline of the next stage, the branch pipelines 60 are communicated with the main pipeline through the multi-way connector, one end of the branch pipelines 60 away from the multi-way connector is communicated with the spray head 4, and the direction of liquid flow is that the main pipeline flows to the branch pipelines 60. The water in the water tank 1 is guided to the spray heads 4 provided at different positions through the above-mentioned several stages of main pipes and several branch pipes 60.

Referring to fig. 3 to 6, in a possible embodiment, the plurality of stage main pipelines include a primary main pipeline 61, a secondary main pipeline 62 and a tertiary main pipeline 63, the multi-way connection joint includes a first connection joint 71, a second connection joint 72 and a third connection joint 73, the primary main pipeline 61 is communicated with the secondary main pipeline 62 through the first connection joint 71, the first connection joint 71 is also respectively communicated with two branch pipelines 60, the secondary main pipeline 62 is respectively communicated with the tertiary main pipeline 63 through the second connection joint 72, and one end of the tertiary main pipeline 63 far away from the second connection joint 72 is respectively communicated with two branch pipelines 60 through the third connection joint 73. Specifically, the first connector 71 is a four-way connector, the second connector 72 and the third connector 73 are three-way connectors, the primary main pipeline 61 and the secondary main pipeline 62 are one, and the tertiary main pipeline 63 is provided with two. Here, a mineral card will be described as an example. The first pipeline 5 extends to the bottom of the mine truck, runs from the front end to the rear end of the container along the bottom of the container, runs from the bottom of the container to the web surface of the frame at the position of the turnover shaft of the container, runs along the longitudinal beam of the frame to the cross beam in the middle of the vehicle, sequentially passes through the electromagnetic valve and the water pump 2, and then passes through the first connecting joint 71 to be divided into three paths, wherein two forward waterways, namely two branch pipelines 60, respectively run along the left longitudinal beam and the right longitudinal beam, run outwards at the center of the cross beam close to the front axle, punch holes on the left longitudinal beam and the right longitudinal beam, run along the air inlet pipe of the front axle air chamber to the vicinity of the front axle brake drum, fix the spray head 4 communicated with the branch pipeline 60 on the welding screw rod by nuts and gaskets on the bottom plate of the brake; wherein the rearward water path, i.e. the secondary main pipe 62, is divided into two branch pipes 60 by a three-way joint at the middle of the middle and rear axle, along the cross beam, the middle and rear axle thrust rod and the brake link, respectively, to the vicinity of the bottom plates of the middle and rear axle brakes, and finally the nozzle 4 is also fixed on the welding screw of the bottom plates of the brakes, wherein the length of the water pipe from the water pipe nozzle 4 to the nearest one branch point should be the same for the left and right sides of a bridge, i.e. the lengths of the branch pipes 60 connected to the same joint should be the same.

In one possible embodiment, the main pipe of the previous stage has an inner diameter greater than that of the main pipe of the subsequent stage, which is greater than that of the branch pipe 60. In the prior art, the inner diameters of pipelines at the front axle, the middle axle and the rear all are the same, and the distances between the spray head 4 and the three positions are different, so that in the actual water spraying process, the water spraying of the front axle, the middle axle and the rear axle is uneven, even the spray head 4 of the rear axle is sprayed out without water, and the cooling effect of a brake is seriously influenced. The design is according to the direction of rivers and actual water spray, and the internal diameter of each level main line 61 needs different internal diameters to and the internal diameter of every department interface of tee bend connector and cross connector should all be adjusted, and the internal diameter of tee bend connector and cross connector is also different, but the internal diameter of all branch pipelines 60 remains the same, has consequently solved the water spray volume of shower nozzle 4 among the prior art and easily influenced by water level potential energy and atmospheric pressure size in the water tank 1 and the inhomogeneous problem of water spray.

In the prior art, after the filter 8 is connected with the electromagnetic valve, the electromagnetic valve is connected to a threaded seat of a bottom plate of the water tank 1 through a threaded steel pipe, and after a period of operation, the welding seam of the threaded seat is cracked and leaked due to overweight of the filter 8 and the steel pipe, so that the operation progress is affected. In a possible embodiment, the bottom of the water tank 1 is provided with a water outlet 12, and the water outlet 12 is in threaded connection with the first pipeline 5. Referring to fig. 1 and 2, in one possible embodiment, a filter 8 is provided on the first pipe 5, the filter 8 being fixed to the vehicle. The filter 8 is arranged on the first pipeline 5, so that impurities in water in the water tank 1 can be further filtered, the multi-stage main pipeline, the branch pipeline 60 and the spray head 4 are further effectively protected, and the service life of the brake spraying system is prolonged. In the present embodiment, the control valve 3 may be a solenoid valve. The filter 8 is separated from the electromagnetic valve, the filter 8 is connected with the water outlet 12 through a small section of pipeline, the filter 8 is fixed on the support, the weight is reduced, the service life of the water tank 1 is prolonged, the electromagnetic valve and the water pump 2 are fixed on a cross beam or a longitudinal beam of the frame, the vibration amplitude is relatively small, and the influence of the electromagnetic valve and the water pump 2 on the water tank 1 is further reduced.

In a possible embodiment, referring to fig. 1, the tank 1 is provided with a level gauge 9 for observing the level of the liquid in the tank 1. The operator can judge the liquid level height in the water tank 1 through the liquid level meter 9, is convenient for in time adding water to the water tank 1 or in time stopping adding water in the water adding process, prevents that the water is full and overflows.

In a possible embodiment, with reference to fig. 1, the tank 1 is fixed to the vehicle by means of a plurality of hoops 10. The water tank 1 is fixed through the anchor ear 10, so that the structure is simple, the installation is convenient and fast, and the connection is reliable, thereby ensuring the stability and the safety of the whole structure of the water tank 1, and further effectively avoiding the deformation of the water tank 1.

In a possible embodiment, referring to fig. 1, the side of the water tank 1 is connected to a water filling pipe 13. The water filling pipe 13 is communicated with the top of the side surface of the water tank 1, and the other end of the water filling pipe, namely the water inlet, extends downwards to the position of the bottom of the side surface of the water tank 1. So set up, be convenient for through filling pipe 13 to carry out the water to water tank 1 in.

The utility model provides a working machine, which comprises the brake spraying system. For example, in one embodiment of the present disclosure, the work machine includes a mining card.

The present utility model is not limited to the above embodiments, and any changes or substitutions that can be easily understood by those skilled in the art within the technical scope of the present utility model are intended to be included in the scope of the present utility model. Accordingly, the scope of the utility model should be assessed as that of the appended claims.

Claims

1. A brake spray system for spray cooling a brake drum of a vehicle, comprising:

the water tank (1), the water tank (1) is provided with an air port (11), and the interior of the water tank (1) is communicated with the outside through the air port (11);

the water pump (2) is communicated with the water tank (1) through a first pipeline (5) and is used for pressurizing liquid of the first pipeline (5);

the control valve (3) is arranged on the first pipeline (5) and is used for controlling the connection or disconnection of the first pipeline (5);

the spray head (4) is communicated with the water pump (2) through a second pipeline (6) and is used for spraying water to the brake drum of the vehicle.

2. The brake shower system according to claim 1, wherein the second pipe (6) includes a plurality of stages of main pipes and a plurality of branch pipes (60), the main pipe of the preceding stage being in communication with the main pipe of the subsequent stage through a multi-way connection, the main pipe of the preceding stage flowing in a direction of liquid flow toward the main pipe of the subsequent stage, the branch pipes (60) being in communication with the main pipe through the multi-way connection, an end of the branch pipes (60) remote from the multi-way connection being in communication with the shower head (4), the direction of liquid flow being the main pipe flowing toward the branch pipes (60).

3. The brake shower system according to claim 2, wherein the plurality of stages of main pipes include a primary main pipe (61), a secondary main pipe (62) and a tertiary main pipe (63), the multi-pass connection includes a first connection head (71), a second connection head (72) and a third connection head (73), the primary main pipe (61) is communicated with the secondary main pipe (62) through the first connection head (71), the first connection head (71) is also respectively communicated with two branch pipes (60), the secondary main pipe (62) is communicated with the tertiary main pipe (63) through the second connection head (72), and one end of the tertiary main pipe (63) away from the second connection head (72) is communicated with two branch pipes (60) through the third connection head (73).

4. The brake shower system of claim 2, wherein an inner diameter of the main pipe of a previous stage is greater than an inner diameter of the main pipe of a subsequent stage, the inner diameter of the main pipe being greater than an inner diameter of the branch pipe (60).

5. Brake shower system according to claim 1, characterized in that the bottom of the water tank (1) is provided with a water outlet (12), which water outlet (12) is in threaded connection with the first pipe (5).

6. Brake shower system according to claim 1, characterized in that a filter (8) is provided on the first line (5), which filter (8) is fixed to the vehicle.

7. Brake shower system according to claim 1, characterized in that the water tank (1) is provided with a level gauge (9) for observing the level of the liquid in the water tank (1).

8. Brake shower system according to claim 1, characterized in that the water tank (1) is fixed to the vehicle by means of a number of hoops (10).

9. Brake shower system according to claim 1, characterized in that the side of the water tank (1) is connected with a water filling pipe (13).

10. A work machine comprising a brake shower system as claimed in any one of claims 1 to 9.