Mine truck engine exhaust system and mine truck
By designing the exhaust system of the mining vehicle engine and combining it with brackets and temperature sensors, a compact layout of the exhaust system and fast channel switching are achieved, which solves the operation problems of the mining vehicle in different environments, improves maintenance convenience and reduces noise pollution.
Patent Information
- Application Number
- CN202423015351.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-06
- Publication Date
- 2025-09-30
- Estimated Expiration
- 2034-12-06
AI Technical Summary
Mining vehicles are easily affected by snow and frozen soil in low-temperature environments, and chassis materials fatigue in high-temperature environments. In addition, the internal space of the mining vehicles is limited, and the existing exhaust system layout is not compact, making it difficult to meet the needs of different environments.
A mining vehicle engine exhaust system was designed, including an exhaust pipe, a bracket, a muffler and an exhaust conversion box. The exhaust conversion box and the muffler were fixedly connected by the bracket to achieve vertical arrangement. Combined with a temperature sensor and a control unit, the two exhaust channels can be switched to adapt to different environmental requirements.
It achieves adaptability to working conditions in different environments, reduces installation volume, improves convenience of inspection and maintenance, and through the cooperation of temperature sensor and control unit, realizes rapid switching of exhaust channel and reduces noise pollution.
Smart Images
Figure CN223398753U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of mining vehicles, in particular to an engine exhaust system of a mining vehicle and a mining vehicle. Background Art
[0002] The use of mining vehicles in complex open-air environments does face many challenges, especially in low-temperature rain and snow conditions. Snow and frozen soil can easily accumulate on the cargo box chassis, affecting the normal operation of the vehicle, increasing the weight of the vehicle, reducing power output, and increasing fuel consumption. It may even cause damage to the equipment and prevent the vehicle from driving normally. Therefore, an exhaust system that can heat the chassis of the mining vehicle is needed; and when the mining vehicle is operating in a non-low-temperature environment, if the exhaust system of the mining vehicle chassis is heated by exhaust gas, the chassis material may become fatigued under long-term high-temperature conditions, and its strength and toughness will also be reduced, thereby shortening the service life of the mining vehicle. Therefore, the exhaust channel of the engine needs to be changed at this stage.
[0003] However, due to the limited installation space of the internal structure of the mine car, the reasonable layout of the exhaust duct is crucial, so a compact mine car engine exhaust system is needed. Utility Model Content
[0004] The purpose of the utility model is to overcome the deficiencies of the prior art and provide an engine exhaust system for a mining vehicle.
[0005] To achieve the above-mentioned purpose, the utility model provides an exhaust system for a mining vehicle engine, comprising an exhaust pipe, a bracket, a muffler and an exhaust conversion box, the bracket being fixedly connected to the vehicle frame, the exhaust conversion box being installed on the side of the bracket close to the mine vehicle cargo box chassis, the muffler being installed on the side of the bracket away from the mine vehicle cargo box chassis, the exhaust conversion box being provided with a first air inlet, a first air outlet and a second air outlet, the muffler being provided with a second air inlet and a third air outlet, one end of the exhaust pipe being connected to the first air inlet, the first air outlet being connected to the ventilation pipe of the mine vehicle cargo box chassis, the ventilation pipe being used to heat the mine vehicle cargo box chassis, and the second air outlet being fixedly connected to the second air inlet.
[0006] Furthermore, the exhaust conversion box includes a conversion part and a baffle, the baffle is fixedly connected to the conversion part, the baffle is installed in the exhaust conversion box, and the conversion part can drive the baffle to rotate in the exhaust conversion box. When the conversion part is in a first position, the first air inlet and the first air outlet are connected to form a first exhaust channel; when the conversion part is in a second position, the first air inlet and the second air outlet are connected to form a second exhaust channel.
[0007] Furthermore, the bracket includes at least two first support rods, one end of each of the first support rods is connected to the vehicle frame via a fastener, and the first support rods are parallel to each other and connected via side plates.
[0008] Furthermore, the exhaust conversion box is provided with a mounting plate, the mounting plate is fixedly connected to the first support rod by bolts, the mounting plate is fixedly connected to the first support rod by bolts, and the muffler is connected to the mounting plate and / or the first support rod.
[0009] Furthermore, the bracket also includes a second support rod, one end of the second support rod is connected to the first support rod, and one end of the second support rod away from the first support rod is connected to the frame.
[0010] Furthermore, the exhaust system also includes a connecting piece, which includes a first clamp, a second clamp and a third clamp. The first clamp is installed at the connection between the exhaust pipe and the first air inlet, the second clamp is installed at the connection between the first air outlet and the ventilation pipe, and the third clamp is installed at the second air outlet and the second air inlet.
[0011] Furthermore, the exhaust duct is fixedly connected to the vehicle frame via U-shaped bolts, the ventilation duct is fixedly connected to the mine car cargo box chassis via U-shaped bolts, and the ventilation duct is serpentine-shaped and coiled to the mine car cargo box chassis.
[0012] Furthermore, the exhaust system also includes a driving member, one end of which is fixedly connected to the conversion member, and the other end of which is fixedly connected to the exhaust conversion box and / or the bracket, and the driving member can drive the conversion member to rotate.
[0013] Furthermore, the exhaust system also includes a temperature sensor and a control unit. The temperature sensor is installed on the mine car cargo box chassis, and the temperature sensor is used to monitor the temperature of the mine car cargo box chassis.
[0014] A mining vehicle comprises the above-mentioned mining vehicle exhaust system.
[0015] The beneficial effects of the utility model are:
[0016] The utility model provides a mining vehicle engine exhaust system with two engine exhaust channels, which can meet the working conditions under different environments. Moreover, by arranging a bracket, the exhaust conversion box and the muffler are arranged vertically, the connecting pipe between the exhaust conversion and the muffler is shortened, and the installation space of the muffler and the exhaust conversion box is reasonably arranged, so that the connection between the various components of the exhaust system is more compact, and the installation volume required for the exhaust device is reduced, and it is also convenient for the staff to inspect and maintain the exhaust system. In addition, the exhaust system can independently realize the switching of the two engine exhaust channels through the cooperation between the temperature sensor, the control unit and the driving component, so that the switching of the exhaust channels is more convenient and quick. BRIEF DESCRIPTION OF THE DRAWINGS
[0017] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are only some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on the structures shown in these drawings without paying any creative work.
[0018] Figure 1 It is a structural diagram of a specific embodiment of the utility model;
[0019] Figure 2 This is a schematic diagram of the connection structure of the exhaust conversion box, bracket and muffler of the utility model;
[0020] Figure 3 This is a structural diagram of another embodiment of the present invention;
[0021] Figure 4 This is a schematic diagram of the structure of the exhaust conversion box of the utility model;
[0022] Figure 5 This is a schematic diagram of the ventilation pipe structure of the utility model.
[0023] In the figure, 1. exhaust duct; 2. bracket; 21. first support rod; 22. second support rod; 23. side panel; 3. exhaust conversion box; 31. first air inlet; 32. first air outlet; 33. second air outlet; 34. conversion part; 35. baffle; 36. mounting plate; 4. muffler; 41. third air outlet; 5. mine car cargo box chassis; 6. ventilation duct; 7. bolt; 8. connector; 81. first clamp; 82. second clamp; 83. third clamp; 9. U-bolt; 10. temperature sensor. DETAILED DESCRIPTION
[0024] The following is combined with Figure 1 -Attached Figure 5, clearly and completely describe the technical solutions in the embodiments of this application. Obviously, the described embodiments are only part of the embodiments of this application, not all of them. Based on the embodiments in this application, all other embodiments obtained by ordinary technicians in this field without making any creative efforts shall fall within the scope of protection of this application.
[0025] It should be noted that all directional indications in the embodiments of the present application (such as up, down, left, right, front, back, etc.) are only used to explain the relative position relationship, movement status, etc. between the various components under a certain specific posture (as shown in the accompanying drawings). If the specific posture changes, the directional indication will also change accordingly.
[0026] In addition, the terms "first," "second," and so on, used in this application are for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly specifying the number of the technical features indicated. Therefore, a feature specified as "first" or "second" may explicitly or implicitly include at least one of the features. In the description of this application, "plurality" means at least two, such as two, three, etc., unless otherwise specifically defined.
[0027] In this application, unless otherwise specified or limited, the terms "connection" and "fixation" should be understood in a broad sense. For example, "fixation" can mean fixed connection, detachable connection, or integration; mechanical connection or electrical connection; direct connection or indirect connection through an intermediate medium; internal communication between two elements or interaction between two elements, unless otherwise specified. For those skilled in the art, the specific meanings of the above terms in this application can be understood according to specific circumstances.
[0028] In addition, the technical solutions between the various embodiments of the present application can be combined with each other, but it must be based on the fact that ordinary technicians in this field can implement it. When the combination of technical solutions is mutually contradictory or cannot be implemented, it should be deemed that such a combination of technical solutions does not exist and is not within the scope of protection required by this application.
[0029] The utility model provides an exhaust system for a mining vehicle engine, comprising an exhaust pipe 1, a bracket 2, a muffler 4, and an exhaust conversion box 3. The bracket 2 is fixedly connected to the vehicle frame, the exhaust conversion box 3 is mounted on a side of the bracket 2 close to a mining vehicle cargo box chassis 5, the muffler 4 is mounted on a side of the bracket 2 away from the mining vehicle cargo box chassis 5, the exhaust conversion box 3 is provided with a first air inlet 31, a first air outlet 32, and a second air outlet 33, the muffler 4 is provided with a second air inlet (not shown) and a third air outlet 41, one end of the exhaust pipe 1 is connected to the first air inlet 31, the first air outlet 32 is connected to a ventilation pipe 6 of the mining vehicle cargo box chassis 5, the ventilation pipe 6 is used to heat the mining vehicle cargo box chassis 5, and the second air outlet 33 is fixedly connected to the second air inlet.
[0030] like Figure 2 As shown, the muffler 4 and the exhaust conversion box 3 of the exhaust system are fixed to the vehicle frame through the bracket 2. The exhaust conversion box 3 is installed on the side of the bracket 2 close to the mine car cargo box chassis 5. The muffler 4 is installed directly below the exhaust conversion box 3. One end of the exhaust pipe 1 is connected to the engine exhaust port, and the other end is connected to the exhaust conversion box 3. The exhaust conversion box 3 is connected to the ventilation pipe 6 and the muffler 4 of the mine car cargo box chassis 5. By providing the bracket 2, the exhaust conversion box 3 and the muffler 4 are arranged vertically, the connecting pipes between the exhaust conversion and the muffler 4 are shortened, the various components of the exhaust system are connected more compactly, the installation volume required for the exhaust device is reduced, and it is also convenient for the staff to inspect and maintain the exhaust system.
[0031] When the mining car is working in a low-temperature environment, the exhaust gas discharged by the engine enters the exhaust conversion box 3 through the exhaust pipe 1, and the exhaust gas enters the ventilation pipe 6 under the mine car cargo box chassis 5 through the exhaust conversion box 3, thereby achieving the purpose of heating the mine car cargo box chassis 5, avoiding the problem of frozen soil and snow accumulation on the mine car cargo box chassis 5; when the mining car is working in a normal temperature environment, the exhaust gas discharged by the engine enters the exhaust conversion box 3 through the exhaust pipe 1, and then enters the muffler 4 through the second air outlet 33, and is finally discharged from the muffler 4. The muffler 4 can better absorb the exhaust sound waves and reduce noise pollution.
[0032] The exhaust conversion box 3 includes a conversion member 34 and a baffle 35. The baffle 35 is fixedly connected to the conversion member 34 and is installed in the exhaust conversion box 3. The rotating member can drive the baffle 35 to rotate in the exhaust conversion box 3. When the conversion member 34 is in the first position, the first air inlet 31 and the first air outlet 32 are connected to form a first exhaust channel; when the conversion member 34 is in the second position, the first air inlet 31 and the second air outlet 33 are connected to form a second exhaust channel.
[0033] In an exhaust conversion system of the present invention, when the conversion member 34 rotates, the baffle 35 can rotate with the conversion member 34 in the exhaust conversion box 3. Specifically, when the conversion member 34 rotates to the first position, the baffle 35 rotates accordingly, thereby connecting the first air inlet 31 and the first air outlet 32 of the exhaust conversion box 3, and the exhaust gas discharged by the engine enters the ventilation pipe 6 under the mine car cargo box chassis 5 through the exhaust pipe 1 and the first exhaust channel of the exhaust conversion box 3, and is finally discharged. When the conversion member 34 rotates to the second position, the baffle 35 rotates accordingly, thereby connecting the first air inlet 31 and the second air outlet 33 of the exhaust conversion box 3, and the exhaust gas discharged by the engine enters the muffler 4 through the exhaust pipe 1 and the second exhaust channel of the exhaust conversion box 3 and is discharged.
[0034] In the exhaust conversion system of the present invention, the bracket 2 includes at least two first support rods 21, one end of the first support rod 21 is connected to the vehicle frame by a fastener, the first support rods 21 are parallel to each other and connected by side panels 23, the exhaust conversion box 3 is provided with a mounting plate 36, the mounting plate 36 is fixedly connected to the first support rod 21 by bolts 7, and the muffler 4 is connected to the mounting plate 36 and / or the bracket 2.
[0035] In a preferred embodiment of the present invention, Figure 2 As shown, there are two first support rods 21, which are fixed to the vehicle frame via fasteners. A side plate is connected between the two first support rods 21, and the exhaust conversion box 3 is mounted on the first support rods 21. Specifically, a mounting plate 36 is provided on the side where the exhaust conversion box 3 is connected to the muffler 4. The mounting plate 36 and the first support rod 21 have threaded holes, and a worker can fasten the mounting plate 36 to the first support rod 21 using bolts 7. The muffler 4 is located below the exhaust conversion box 3 and can be fixedly connected to the first support rod 21 or the mounting plate 36. The cooperation between the first support rod 21 and the mounting plate 36 enables the muffler 4 and the exhaust conversion box 3 to be mounted on the vehicle frame. This connection method is simple and easy for construction workers to operate. In addition, multiple first support rods 21 are provided, and the multiple first support rods 21 are connected via side plates 23, which increases the stability of the connection between the muffler 4, the exhaust conversion box 3, and the vehicle frame.
[0036] It should be noted that the present invention does not limit the form of the fastener. In one embodiment of the present invention, the fastener is a bolt 7 .
[0037] like Figure 1 、 Figure 2As shown, in the exhaust conversion system of the present invention, the bracket 2 also includes a second support rod 22. One end of the second support rod 22 is connected to the first support rod 21, and the end of the second support rod 22 away from the first support rod 21 is connected to the vehicle frame. The second support rod 22 is fixedly connected to the first support rod 21 and the vehicle frame via bolts 7. The second support rod 22 can be used to support the first support rod 21, thereby ensuring a more stable connection between the exhaust conversion box 3 and the muffler 4 and the vehicle frame.
[0038] like Figure 3 As shown, in another embodiment of the present invention, due to the limited installation space for engine accessories inside some vehicles, only one second support rod 22 is provided to connect with one of the first support rods 21 .
[0039] In a preferred embodiment of the present utility model, the exhaust pipe 1 is connected to the first air inlet 31 through a first clamp 81, the first air outlet 32 is connected to the ventilation pipe 6 through a second clamp 82, and the second air outlet 33 is connected to the second air inlet through the exhaust system also including a connector 8, the connector 8 includes a first clamp 81, a second clamp 82, and a third clamp 83. The first clamp 81 is installed at the connection between the exhaust pipe 1 and the first air inlet 31, the second clamp 82 is installed at the connection between the first air outlet 32 and the ventilation pipe 6, and the third clamp 83 is installed at the second air outlet 33 and the second air inlet.
[0040] In a preferred embodiment of the present invention, the exhaust duct 1 is fixedly connected to the vehicle frame by a U-bolt 9, the ventilation duct 6 is fixedly connected to the mine car cargo box chassis 5 by a U-bolt 9, and the ventilation duct 6 is densely distributed in an S-shape on the mine car cargo box chassis 5. By densely arranging the ventilation duct 6 in an S-shape on the mine car cargo box chassis 5, when the exhaust system uses the ventilation duct 6 to exhaust, it is ensured that the ventilation duct 6 can better heat the mine car cargo box chassis 5. At the same time, the ventilation duct 6 is arranged to be densely distributed in the mine car cargo box chassis 5 in an S-shape, which can help reduce the noise generated during exhaust.
[0041] In a preferred embodiment of the present utility model, the exhaust system also includes a driving member (not marked), one end of the driving member is fixedly connected to the conversion member 34, and the other end is fixedly connected to the exhaust conversion box 3 and / or the bracket 2, and the driving member can drive the conversion member 34 to rotate; the exhaust system also includes a temperature sensor 11 and a control unit (not marked), the temperature sensor 11 is installed on the mine car cargo box chassis 5, the temperature sensor 11 is used to monitor the temperature of the mine car cargo box chassis 5, and the control unit 12 can control the rotation of the driving member according to the data of the temperature sensor 11.
[0042] In an embodiment of the present utility model, a temperature sensor 11 is installed on the mine car cargo box chassis 5, which can monitor the temperature of the mine car cargo box chassis 5 in real time and transmit the data to the control unit. The control unit can judge and process the environment of the mine car based on the received temperature. If it is judged that the mine car is in a low temperature environment, the control unit controls the conversion member 34 to rotate, so that the conversion member 34 changes from the second position to the first position, so that the ventilation pipe 6 is connected with the exhaust pipe 1, so that the engine exhaust gas is discharged through the mine car cargo box chassis 5, thereby achieving heating of the mine car cargo box chassis 5.
[0043] It should be noted that the present invention does not describe the types of the driving member and the temperature sensor 11. In one embodiment, the driving member is a push rod and a motor, and the control unit is a controller or a control terminal.
[0044] The utility model also discloses a mining vehicle, comprising the above-mentioned mining vehicle exhaust system.
[0045] The above description is only a preferred embodiment of the present application and does not limit the patent scope of the present application. All equivalent structural transformations made by using the contents of the present application description and drawings under the inventive concept of the present application, or direct / indirect application in other related technical fields are included in the patent protection scope of the present application.
Claims
1. A mining vehicle engine exhaust system, characterized in that: It includes an exhaust pipe (1), a bracket (2), a muffler (4) and an exhaust conversion box (3). The bracket (2) is fixedly connected to the vehicle frame, the exhaust conversion box (3) is installed on the side of the bracket (2) close to the mine car cargo box chassis (5), the muffler (4) is installed on the side of the bracket (2) away from the mine car cargo box chassis (5), the exhaust conversion box (3) is provided with a first air inlet (31), a first air outlet (32) and a second air outlet (33), the muffler (4) is provided with a second air inlet and a third air outlet (41), one end of the exhaust pipe (1) is connected to the first air inlet (31), the first air outlet (32) is connected to the ventilation pipe (6) of the mine car cargo box chassis (5), the ventilation pipe (6) is used to heat the mine car cargo box chassis (5), and the second air outlet (33) is fixedly connected to the second air inlet.
2. The mining vehicle engine exhaust system according to claim 1, characterized in that: The exhaust conversion box (3) includes a conversion member (34) and a baffle (35), wherein the baffle (35) is fixedly connected to the conversion member (34), and the baffle (35) is installed in the exhaust conversion box (3). The conversion member (34) can drive the baffle (35) to rotate in the exhaust conversion box (3). When the conversion member (34) is in a first position, the first air inlet (31) and the first air outlet (32) are connected to form a first exhaust channel; when the conversion member (34) is in a second position, the first air inlet (31) and the second air outlet (33) are connected to form a second exhaust channel.
3. The mining vehicle engine exhaust system according to claim 2, characterized in that: The bracket (2) comprises at least two first support rods (21), one end of each of the first support rods (21) is connected to the vehicle frame via a fastener, and the first support rods (21) are parallel to each other and connected via side plates.
4. The mining vehicle engine exhaust system according to claim 3, characterized in that: The exhaust conversion box (3) is provided with a mounting plate (36), the mounting plate (36) is fixedly connected to the first support rod (21) via bolts (7), and the muffler (4) is connected to the mounting plate (36) and / or the first support rod (21).
5. The mining vehicle engine exhaust system according to claim 4, characterized in that: The bracket (2) further comprises a second support rod (22), one end of the second support rod (22) being connected to the first support rod (21), and one end of the second support rod (22) being away from the first support rod (21) being connected to the vehicle frame.
6. The mining vehicle engine exhaust system according to claim 5, characterized in that: The exhaust system further comprises a connecting member (8), the connecting member (8) comprising a first clamp (81), a second clamp (82) and a third clamp (83), the first clamp (81) being mounted at the connection between the exhaust pipe (1) and the first air inlet (31), the second clamp (82) being mounted at the connection between the first air outlet (32) and the ventilation pipe (6), and the third clamp (83) being mounted at the second air outlet (33) and the second air inlet.
7. The mining vehicle engine exhaust system according to claim 6, characterized in that: The exhaust pipe (1) is fixedly connected to the vehicle frame via U-shaped bolts (9), the ventilation pipe (6) is fixedly connected to the mine car cargo box chassis (5) via U-shaped bolts (9), and the ventilation pipe (6) is densely distributed in an S-shape on the mine car cargo box chassis (5).
8. The mining vehicle engine exhaust system according to claim 2, characterized in that: The exhaust system further comprises a driving member, one end of which is fixedly connected to the conversion member (34), and the other end of which is fixedly connected to the exhaust conversion box (3) and / or the bracket (2), and the driving member can drive the conversion member (34) to rotate.
9. The mining vehicle engine exhaust system according to claim 8, characterized in that: The exhaust system further comprises a temperature sensor (11) and a control unit. The temperature sensor (11) is mounted on the mine car cargo box chassis (5). The temperature sensor (11) is used to monitor the temperature of the mine car cargo box chassis (5).
10. A mining vehicle, characterized in that: The mining vehicle engine exhaust system comprises the exhaust system of any one of claims 1 to 9.