Excavator engine hood

Abstract

The utility model relates to the technical field of excavator equipment, and discloses an excavator engine hood, which solves the problems of excavator engine hoods in the current market, and comprises a hood body, one side of the hood body is provided with a communication hole, the other side of the hood body is provided with heat dissipation holes, and the inner side of the hood body is fixedly connected with a protective frame; the influence on the engine caused by external impurities or dust particles entering the inner side of the hood body can be reduced through the barrier net; meanwhile, cleaning is conducted along the surface of the blocking net through a cleaning brush, a transmission motor drives a transverse frame to reciprocate along one side of the blocking net, and dust accumulation generated on the surface of the blocking net can be reduced; the transmission fan can be driven to rotate along one side of the limiting frame through the rotating fixing rod, the heat dissipation effect of the heat dissipation holes can be improved through the rotating transmission fan, the air circulation in the machine cover body is improved, and the working stability of the excavator engine in the machine cover body is improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of excavator equipment, and more specifically, particularly relates to an excavator engine hood. Background Art

[0002] The excavator engine hood is a device used to protect the excavator engine. Its main function is to prevent the engine from being damaged by various factors in the external environment and working environment, such as dust, gravel, rain, etc. At the same time, the engine hood can also reduce the noise generated when the engine is running to a certain extent, and improve the comfort of the working environment.

[0003] In the prior art, the authorization publication number "CN207331804U" discloses an "excavator engine hood"; including: a hood body and an opening and closing device; the hood body is hinged on the excavator and can be opened and closed to cover the engine; the opening and closing device includes a connecting piece, a wire rope, a motor, and a wire rope winding piece; the connecting piece is fixed on the hood body, and is at a position farther away from the movement distance of the excavator when the hood body is opened; the wire rope is in a tensioned state, one end of which is fixed on the connecting piece, and the other end is fixed on the wire rope winding piece; the wire rope winding piece is fixed on the motor output shaft; the motor is fixed on the excavator; the position of the wire rope winding piece is higher than the highest position of the connecting piece when the hood body is opened. The utility model adopts the cooperation of a motor, a wire rope winding piece, a wire rope, and a connecting piece, and can realize the opening and closing of the engine hood by the forward and reverse rotation of the motor without manual operation, which is simple, convenient and fast.

[0004] The above-mentioned "an excavator engine hood" still has some disadvantages, for example: the engine generates a lot of heat when working, and an effective heat dissipation system is required to ensure the normal operation of the engine. The heat dissipation holes of the existing engine hood are small, and the internal air is not easy to circulate, which is easy to cause heat accumulation. At the same time, when the excavator works outdoors, the surface of the heat dissipation holes is easy to be covered with dust or debris, and the dust will enter the engine hood and affect the engine;

[0005] For this reason, an excavator engine hood is proposed here to solve the above-mentioned problems. Utility Model Content

[0006] In view of the deficiencies in the prior art, the utility model provides an excavator engine hood to solve the problem mentioned in the above background technology that the existing engine hood has small heat dissipation holes, the internal air is not easy to circulate, and heat accumulation is easily caused. At the same time, when the excavator works outdoors, the surface of the heat dissipation holes is easily covered with dust or debris.

[0007] To achieve the above objectives, the utility model is implemented through the following technical solutions: an excavator engine hood, comprising a hood body, a connecting hole is opened on one side of the hood body, a heat dissipation hole is opened on the other side of the hood body, a protective frame is fixedly connected to the inner side of the hood body, a barrier net is movably connected to the inner side of the protective frame, a side support plate is fixedly connected to the bottom of the protective frame, a transmission motor is provided on one side of the side support plate, a threaded rod is provided on the output shaft of the transmission motor, a bottom guide plate is provided on the surface of the threaded rod, a cross frame is fixedly connected to the top of the bottom guide plate, and a cleaning brush is movably connected to the top of the cross frame.

[0008] Preferably: a bottom support frame is fixedly connected to the inner side of the machine cover body, a side support frame is fixedly connected to one side of the bottom support frame, a servo motor is fixedly connected to one side of the side support frame, a transmission rod is provided on the output shaft of the servo motor, one end of the transmission rod is movably connected to a bearing disk, a side gear disk is fixedly connected to the surface of the transmission rod, a top gear disk is movably connected to one side of the side gear disk, a fixing rod is fixedly connected to the top of the top gear disk, and a transmission fan is movably connected to one side of the fixing rod.

[0009] Preferably, one side of the side support plate is fixedly connected to a connecting frame, and one side of the connecting frame is fixedly connected to one side of the transmission motor.

[0010] Preferably, a side sliding frame is fixedly connected to the inner side of the machine cover body, side sliding blocks are fixedly connected to both sides of the cross frame, and one side of the side sliding block is slidably connected to one side of the side sliding frame.

[0011] Preferably, a thread groove is formed on the surface of the bottom guide plate, and the inner side of the thread groove is threadedly connected to the surface of the threaded rod.

[0012] Preferably, a communication groove is provided on one side of the bottom support frame, and the number of the communication grooves is two, and the inner sides of the two communication grooves are fixedly connected to the limiting frame.

[0013] Compared with the prior art, the utility model provides an excavator engine hood having the following

[0014] Beneficial effects:

[0015] 1) When the engine hood of the excavator is working, the barrier net can reduce the impact of foreign debris or dust particles entering the inner side of the hood body on the engine; at the same time, the cleaning brush is used to clean along the surface of the barrier net, and the transmission motor drives the cross frame to reciprocate along one side of the barrier net, which can reduce the accumulation of dust on the surface of the barrier net;

[0016] 2) When the excavator engine hood is working, the rotating fixed rod can drive the transmission fan to rotate along one side of the limit frame. The rotating transmission fan can improve the heat dissipation effect of the heat dissipation hole, improve the air circulation in the hood body, and improve the working stability of the excavator engine in the hood body. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0018] Figure 1 This is a schematic diagram of the heat dissipation hole structure of the utility model;

[0019] Figure 2 This is a schematic diagram of the structure of the machine cover of the utility model;

[0020] Figure 3 This is a schematic diagram of the barrier net structure of the utility model;

[0021] Figure 4 This is a schematic diagram of the protective frame structure of the utility model;

[0022] Figure 5 This is a schematic diagram of the horizontal frame structure of the utility model;

[0023] Figure 6 This is a schematic diagram of the bottom support frame structure of the utility model;

[0024] Figure 7 This is a schematic diagram of the bearing disc structure of the utility model;

[0025] Explanation of the numbers in the figure: 1. Machine cover; 2. Connecting hole; 3. Heat dissipation hole; 401. Protective frame; 402. Barrier net; 403. Side support plate; 404. Threaded rod; 405. Connecting frame; 406. Transmission motor; 407. Cross frame; 408. Cleaning brush; 409. Bottom guide plate; 4010. Threaded groove; 4011. Side sliding block; 4012. Side sliding frame; 501. Bottom support frame; 502. Connecting groove; 503. Servo motor; 504. Transmission rod; 505. Side support frame; 506. Bearing plate; 507. Side gear plate; 508. Top gear plate; 509. Fixing rod; 5010. Transmission fan; 5011. Limiting frame. DETAILED DESCRIPTION

[0026] The following will clearly and completely describe the technical solutions in the embodiments of the utility model in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0027] See also Figures 1 to 7 The utility model provides a technical solution: an excavator engine hood, including a hood body 1, a connecting hole 2 is opened on one side of the hood body 1, a heat dissipation hole 3 is opened on the other side of the hood body 1, a protective frame 401 is fixedly connected to the inner side of the hood body 1, a barrier net 402 is movably connected to the inner side of the protective frame 401, a side support plate 403 is fixedly connected to the bottom of the protective frame 401, a transmission motor 406 is arranged on one side of the side support plate 403, a threaded rod 404 is arranged on the output shaft of the transmission motor 406, a bottom guide plate 409 is arranged on the surface of the threaded rod 404, a cross frame 407 is fixedly connected to the top of the bottom guide plate 409, and a cleaning brush 408 is movably connected to the top of the cross frame 407.

[0028] It should be noted that by cleaning the surface of the barrier net 402 with the cleaning brush 408 and the transmission motor 406 driving the cross frame 407 to reciprocate along one side of the barrier net 402, dust accumulation on the surface of the barrier net 402 can be reduced.

[0029] In this embodiment, a bottom support frame 501 is fixedly connected to the inner side of the hood body 1, a side support frame 505 is fixedly connected to one side of the bottom support frame 501, a servo motor 503 is fixedly connected to one side of the side support frame 505, a transmission rod 504 is provided on the output shaft of the servo motor 503, one end of the transmission rod 504 is movably connected to a bearing disk 506, a side gear plate 507 is fixedly connected to the surface of the transmission rod 504, one side of the side gear plate 507 is movably connected to a top gear plate 508, the top of the top gear plate 508 is fixedly connected to a fixing rod 509, and one side of the fixing rod 509 is movably connected to a transmission fan 5010.

[0030] It should be noted that the rotating transmission fan 5010 can improve the heat dissipation effect of the heat dissipation hole 3, improve the air flow in the machine cover body 1, and improve the working stability of the excavator engine in the machine cover body 1.

[0031] In this embodiment, a connecting frame 405 is fixedly connected to one side of the side supporting plate 403 , and one side of the connecting frame 405 is fixedly connected to one side of the transmission motor 406 .

[0032] It should be noted that, through the connection of the connecting frame 405 , the transmission motor 406 can drive the threaded rod 404 to rotate.

[0033] In this embodiment, a side sliding frame 4012 is fixedly connected to the inner side of the hood body 1 , and side sliding blocks 4011 are fixedly connected to both sides of the cross frame 407 . One side of the side sliding block 4011 is slidably connected to one side of the side sliding frame 4012 .

[0034] It should be noted that, during the movement, the horizontal frame 407 slides horizontally along the side sliding frame 4012 through the side sliding block 4011 , so as to limit the bottom guide plate 409 and improve the movement stability of the horizontal frame 407 .

[0035] In this embodiment, a thread groove 4010 is formed on the surface of the bottom guide plate 409 , and the inner side of the thread groove 4010 is threadedly connected to the surface of the threaded rod 404 .

[0036] It should be noted that, by utilizing the threaded connection between the rotating threaded rod 404 and the threaded groove 4010 , the bottom guide plate 409 can be driven to move horizontally along the surface of the threaded rod 404 when the threaded rod 404 rotates.

[0037] In this embodiment, a communication groove 502 is opened on one side of the bottom supporting frame 501 , and the number of the communication grooves 502 is two, and the inner sides of the two communication grooves 502 are fixedly connected to the limiting frame 5011 .

[0038] It should be noted that the transmission fan 5010 can be driven to rotate along one side of the limiting frame 5011 by the rotating fixing rod 509 , and the transmission fan 5010 can be limited by the limiting frame 5011 .

[0039] Specific usage and function of this embodiment: During the daily operation of the excavator engine hood, first, in the process of using the heat dissipation holes 3 for heat dissipation and exhaust, the barrier net 402 can be set on one side of the heat dissipation hole 3 by using the connection of the protective frame 401. The barrier net 402 on one side of the heat dissipation hole 3 can reduce the impact of foreign debris or dust particles entering the inner side of the hood body 1 on the engine;

[0040] After the transmission motor 406 is started, the transmission motor 406 can drive the threaded rod 404 to rotate through the connection of the connecting frame 405. The rotating threaded rod 404 is threadedly connected to the thread groove 4010, so that the bottom guide plate 409 can be driven to move horizontally along the surface of the threaded rod 404 when the threaded rod 404 rotates. During the movement, the cross frame 407 can be driven to move along the bottom of the barrier net 402. During the movement, the cross frame 407 slides horizontally along the side sliding frame 4012 through the side sliding block 4011, which can limit the bottom guide plate 409 and improve the stability of the movement of the cross frame 407, so that the cleaning brush 408 can be driven to clean along the surface of the barrier net 402. The transmission motor 406 drives the cross frame 407 to reciprocate along one side of the barrier net 402, which can reduce the accumulation of dust on the surface of the barrier net 402.

[0041] At the same time, after starting the servo motor 503, the servo motor 503 drives the transmission rod 504 to rotate. The transmission rod 504 will be connected with the bearing plate 506 and stably rotate along the inner sides of the two side support frames 505. The rotating bearing plate 506 will respectively drive the two side gear plates 507 to rotate. The two rotating side gear plates 507 can respectively drive the two top gear plates 508 to rotate. The rotation of the two top gear plates 508 will drive the fixed rod 509 to rotate. The rotating fixed rod 509 can drive the transmission fan 5010 to rotate along one side of the limit frame 5011. The rotating transmission fan 5010 can improve the heat dissipation effect of the heat dissipation hole 3, improve the air circulation in the machine cover body 1, and improve the working stability of the excavator engine in the machine cover body 1.

[0042] The contents not described in detail in this specification, such as the transmission motor 406 and the servo motor 503, belong to the prior art known to professionals in this field, and are not the key to the present utility model, so they will not be described again.

[0043] Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the utility model, rather than to limit the protection scope of the utility model. Although the utility model has been described in detail with reference to the preferred embodiments, ordinary technicians in this field should understand that the technical solution of the utility model can be modified or replaced by equivalents without departing from the essence and scope of the technical solution of the utility model.

Claims

1. An excavator engine hood, comprising a hood body (1), characterized in that: A connecting hole (2) is provided on one side of the machine cover body (1), and a heat dissipation hole (3) is provided on the other side of the machine cover body (1). A protective frame (401) is fixedly connected to the inner side of the machine cover body (1), and a barrier net (402) is movably connected to the inner side of the protective frame (401). A side support plate (403) is fixedly connected to the bottom of the protective frame (401), and a transmission motor (406) is provided on one side of the side support plate (403). A threaded rod (404) is provided on the output shaft of the transmission motor (406), and a bottom guide plate (409) is provided on the surface of the threaded rod (404). A cross frame (407) is fixedly connected to the top of the bottom guide plate (409), and a cleaning brush (408) is movably connected to the top of the cross frame (407).

2. The excavator engine hood according to claim 1, characterized in that: A bottom support frame (501) is fixedly connected to the inner side of the hood body (1), a side support frame (505) is fixedly connected to one side of the bottom support frame (501), a servo motor (503) is fixedly connected to one side of the side support frame (505), a transmission rod (504) is provided on the output shaft of the servo motor (503), one end of the transmission rod (504) is movably connected to a bearing disk (506), a side toothed disk (507) is fixedly connected to the surface of the transmission rod (504), one side of the side toothed disk (507) is movably connected to a top toothed disk (508), a fixing rod (509) is fixedly connected to the top of the top toothed disk (508), and a transmission fan (5010) is movably connected to one side of the fixing rod (509).

3. The excavator engine hood according to claim 2, characterized in that: One side of the side support plate (403) is fixedly connected to a connecting frame (405), and one side of the connecting frame (405) is fixedly connected to one side of a transmission motor (406).

4. The excavator engine hood according to claim 3, characterized in that: The inner side of the hood body (1) is fixedly connected to a side sliding frame (4012), and the two sides of the cross frame (407) are fixedly connected to side sliding blocks (4011), and one side of the side sliding block (4011) is slidably connected to one side of the side sliding frame (4012).

5. The excavator engine hood according to claim 4, characterized in that: A thread groove (4010) is provided on the surface of the bottom guide plate (409), and the inner side of the thread groove (4010) is threadedly connected to the surface of the threaded rod (404).

6. The excavator engine hood according to claim 5, characterized in that: A communication groove (502) is provided on one side of the bottom support frame (501), and the number of the communication grooves (502) is two, and the inner sides of the two communication grooves (502) are fixedly connected to the limiting frame (5011).

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