Anti-vibration and anti-loosening fan structure for garbage truck

Abstract

The anti-vibration and anti-loosening draught fan structure for the garbage truck comprises a fixing base, and a bearing chamber is arranged in the fixing base; the rotating shaft is rotatably mounted on a bearing in the bearing chamber, and the rotating shaft is provided with a first end and a second end which respectively extend out along the two ends of the bearing chamber; the impeller is mounted at the first end of the rotating shaft and is in key connection with the rotating shaft, and a locking assembly is arranged between the impeller and the rotating shaft; the belt pulley is mounted at the second end of the rotating shaft and is in key connection with the rotating shaft, and a limiting assembly is arranged between the belt pulley and the rotating shaft; the impeller and the belt pulley rotate around the center of the rotating shaft; the impeller comprises a shaft disc, an impeller disc, a blade set and an impeller cover, the rotating shaft is sleeved with the shaft disc, the impeller disc is installed on the shaft disc, and the axis of the impeller disc and the axis of the shaft disc are collinear. A dual anti-loosening mechanism and a special structure of the impeller are designed, so that the reliability and vibration resistance of the fan are remarkably improved, the working efficiency of the fan is improved, and the garbage suction effect is optimized.

Description

Technical Field

[0001] This invention belongs to the field of garbage truck technology, specifically relating to a fan structure for garbage trucks that is vibration-resistant and prevents loosening. Background Technology

[0002] Existing garbage trucks rely solely on suction pipes for garbage intake. The garbage at the suction pipes is carried by airflow generated by negative pressure and then enters the garbage bin along with the airflow.

[0003] Existing technologies for garbage truck blowers have the following shortcomings: 1. In traditional blower structures, the impeller and pulley are usually only connected by a key or simply fixed with bolts, lacking effective anti-loosening design. They are prone to loosening under the high-frequency vibration conditions of garbage trucks, affecting the stability and lifespan of the blower; 2. Traditional blower designs have failed to effectively optimize the blade layout, resulting in low working efficiency and unsatisfactory suction effect; 3. Traditional blower structures are fixed, requiring complete disassembly for maintenance and replacement of parts, leading to high maintenance costs. Those skilled in the art urgently need to solve the above-mentioned technical problems. Summary of the Invention

[0004] In view of the above-mentioned shortcomings of the existing technology, the purpose of this invention is to provide a garbage truck blower structure with anti-vibration and anti-loosening features, which is designed with a dual anti-loosening mechanism and a special impeller structure, significantly improving the reliability and vibration resistance of the blower, increasing the working efficiency of the blower, and optimizing the garbage collection effect.

[0005] The present invention adopts the following technical solution:

[0006] A structure for a garbage truck fan with vibration and anti-loosening features includes:

[0007] A fixed base, which contains a bearing chamber;

[0008] A rotating shaft is rotatably mounted on a bearing within the bearing housing, the rotating shaft having a first end and a second end extending from both ends of the bearing housing, respectively;

[0009] An impeller is mounted on the first end of the rotating shaft, is keyed to the rotating shaft, and is provided with a locking assembly between itself and the rotating shaft;

[0010] A pulley is mounted on the second end of the rotating shaft, is keyed to the rotating shaft, and is provided with a limiting component between itself and the rotating shaft;

[0011] Both the impeller and the pulley rotate around the center of the shaft.

[0012] The impeller includes a shaft disk, a wheel disk, a blade assembly, and a wheel cover. The shaft disk is sleeved on the rotating shaft, and the wheel disk is mounted on the shaft disk. The axis of the wheel disk is collinear with the axis of the shaft disk.

[0013] One end of each blade in the blade assembly is fixed to the end face of the wheel and extends away from the wheel. The blades are arranged in a ring around the axis of the wheel, and blade passages are formed between the blades.

[0014] The wheel cover is located at the extended end of the blade and has an air inlet. The axis of the air inlet and the axis of the wheel cover are collinear with the axis of the wheel disc.

[0015] In a preferred embodiment of the present invention, the locking assembly includes a first connector, a second connector, and a locking member. The first connector and the second connector are mated and sleeved on the rotating shaft. An interlocking portion is provided on the contact surface of the first connector and the second connector.

[0016] The first connector is bolted to the shaft disc, and the first end of the rotating shaft is provided with threads. The locking member is screwed onto the first end and abuts against the second connector. The locking member is bolted to the second connector.

[0017] In a preferred embodiment of the present invention, the locking member is a nut, and four equally spaced grooves are provided on the outer circumferential surface of the nut.

[0018] In a preferred embodiment of the present invention, the locking member is provided with a threaded portion and an arc-shaped portion extending to one end of the shaft disk. The threaded portion is screwed onto the first end, the threaded portion abuts against the second plug-in member, and the arc-shaped portion abuts against the shaft disk. The threaded portion is bolted to the second plug-in member.

[0019] In a preferred embodiment of the present invention, a viewing groove is provided on the arc-shaped portion, and a plurality of viewing grooves are evenly distributed along the circumference of the arc-shaped portion.

[0020] In a preferred embodiment of the present invention, a special-shaped tooth is formed on the side of the first connector facing the second connector, and a tooth groove corresponding to the special-shaped tooth is formed on the second connector, wherein the special-shaped tooth is embedded in the tooth groove to form a mating part.

[0021] In a preferred embodiment of the present invention, the limiting component includes a limiting washer, a limiting plate and a limiting screw. The limiting washer is disposed between the second end of the rotating shaft and the pulley. The limiting plate is arranged close to the limiting washer and is fixed to the rotating shaft and the pulley by the limiting screw.

[0022] In a preferred embodiment of the present invention, a flange perpendicular to the body is provided at the end of the limiting plate.

[0023] Beneficial effects:

[0024] The present invention provides a structure for a garbage truck fan with vibration resistance and anti-loosening features. The locking assembly provides circumferential positioning through the engagement of the irregular teeth and grooves of the first and second plug-in parts. At the same time, it dissipates energy through friction of the tooth surface during vibration. The double fixation of the locking assembly and the locking part ensures a firm connection between the impeller and the shaft, effectively preventing loosening.

[0025] The limiting component of this invention, through the combination of limiting gasket, limiting plate and limiting screw, and the flange design at the end of the limiting plate, further enhances the stability between the pulley and the shaft, and prevents loosening or falling off due to vibration or impact.

[0026] The impeller of this invention uses a design of annular array blades and wheel cover to reduce airflow pulsation by equidistantly distributing the blades. The design of the air inlet of the wheel cover being collinear with the axis reduces inlet vortex loss and improves aerodynamic efficiency. The blade passage design can balance wind pressure and flow requirements, thereby improving the working efficiency of the fan and optimizing the garbage collection effect.

[0027] This invention features a dual anti-loosening mechanism and a special impeller structure, which significantly improves the reliability, vibration resistance, maintenance convenience, and safety of the fan, increases its working efficiency, and optimizes the garbage collection effect. At the same time, the entire fan structure is rationally designed, easy to disassemble, saves space, and is convenient for installation and maintenance. Attached Figure Description

[0028] Figure 1 A schematic diagram of a garbage truck blower structure with vibration resistance and anti-loosening features provided by the present invention. Figure 1 ;

[0029] Figure 2 A schematic diagram of a garbage truck blower structure with vibration resistance and anti-loosening features provided by the present invention. Figure 2 ;

[0030] Figure 3 This is a schematic diagram of the installation structure of the fixed base and the rotating shaft described in this invention;

[0031] Figure 4 An exploded view of a garbage truck fan structure with vibration resistance and anti-loosening features provided by the present invention;

[0032] Figure 5 A partial cross-sectional view of a garbage truck blower structure with vibration resistance and anti-loosening features provided by the present invention;

[0033] Figure 6 A partial structural diagram of a garbage truck blower structure with vibration resistance and anti-loosening features provided by the present invention. Figure 1 ;

[0034] Figure 7 A partial structural diagram of a garbage truck blower structure with vibration resistance and anti-loosening features provided by the present invention. Figure 2 .

[0035] In the diagram: 1. Fixed base;

[0036] 2 shafts, 21 first end, 22 second end;

[0037] 3 impellers, 31 shaft discs, 32 wheel discs, 33 blade sets, 34 wheel covers;

[0038] 4 pulleys;

[0039] 5 Locking assembly, 51 First connector, 52 Second connector, 53 Locking component, 531 Screw connection, 532 Arc-shaped part.

[0040] 6 Limiting assembly, 61 Limiting washer, 62 Limiting plate, 63 Limiting screw. Detailed Implementation

[0041] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0042] like Figure 1-4 As shown, a structure for a garbage truck fan with vibration and anti-loosening features includes:

[0043] Fixed base 1, which has a bearing chamber inside;

[0044] The rotating shaft 2 is rotatably mounted on a bearing in the bearing housing, and the rotating shaft 2 is provided with a first end 21 and a second end 22 extending out from both ends of the bearing housing, respectively.

[0045] Impeller 3 is mounted on the first end 21 of the aforementioned rotating shaft 2, is keyed to the aforementioned rotating shaft 2, and is provided with a locking assembly 5 between itself and the rotating shaft 2;

[0046] A pulley 4 is mounted on the second end 22 of the aforementioned rotating shaft 2, is keyed to the aforementioned rotating shaft 2, and is provided with a limiting component 6 between it and the rotating shaft 2;

[0047] Both the impeller 3 and the pulley 4 mentioned above rotate around the center of the shaft 2;

[0048] The impeller 3 includes a shaft disk 31, a wheel disk 32, a blade assembly 33, and a wheel cover 34. The shaft disk 31 is sleeved on the rotating shaft 2 and rotates with the rotating shaft 2. The wheel disk 32 is mounted on the shaft disk 31, and the axis of the wheel disk 32 is collinear with the axis of the shaft disk 31.

[0049] In the aforementioned blade group 33, one end of the blade is fixed to the end face of the disk 32 and extends away from the disk 32. The blades are arranged in a ring around the axis of the disk 32, and blade passages are formed between the blades.

[0050] The aforementioned wheel cover 34 is located at the extended end of the blade and has an air inlet, the axis of which is collinear with the axis of the aforementioned wheel disc 32;

[0051] The working principle and beneficial effects of the above embodiments are as follows:

[0052] The present invention drives the pulley 4 to rotate through an external power device (such as an electric motor). Since the pulley 4 is keyed to the shaft 2, the power is transmitted to the shaft 2 through the key, causing the shaft 2 to rotate in the bearing chamber. The impeller 3 on the first end 21 of the shaft 2 is keyed to the shaft 2 and further fixed by the locking assembly 5. Therefore, the impeller 3 will rotate around its center together with the shaft 2.

[0053] When the impeller 3 rotates, its blade assembly 33 exerts a force on the air, causing the air to enter from the air inlet of the wheel cover 34 and be thrown out along the blade passage between the blades, thereby generating a high-speed airflow. The airflow is guided to the dust collection chamber of the garbage truck's garbage bin for garbage collection and transportation.

[0054] The locking component 5 and the limiting component 6 of this invention can effectively prevent the impeller 3 and the pulley 4 from loosening due to vibration during operation, ensuring the stability and reliability of the fan structure and extending its service life.

[0055] The special structural design of the impeller 3 in this invention, with blades arranged in a ring around the axis of the disc 32, allows airflow to be drawn in and discharged more efficiently, thereby improving the working efficiency of the fan and optimizing the garbage collection effect.

[0056] The present invention features a reasonable overall fan structure design that saves space and facilitates installation and maintenance.

[0057] In one embodiment,

[0058] like Figure 5 As shown, the locking assembly 5 includes a first connector 51, a second connector 52, and a locking member 53. The first connector 51 and the second connector 52 are mated and sleeved on the rotating shaft 2. An interlocking portion is provided on the contact surface of the first connector 51 and the second connector 52, so that the second connector 52 can rotate relative to the first connector 51 around the rotating shaft 2.

[0059] The first connector 51 is bolted to the shaft disc 31. Threads are provided on the first end 21 of the rotating shaft 2. The locking member 53 is screwed onto the first end 21 and abuts against the second connector 52. The locking member 53 is bolted to the second connector 52.

[0060] The locking member 53 of the present invention is screwed onto the thread of the first end 21 of the rotating shaft 2 and abuts against the second plug member 52. By tightening the locking member 53, the second plug member 52 can be firmly pressed onto the rotating shaft 2. At the same time, the locking member 53 and the second plug member 52 are fixed by bolts, which further enhances the overall stability. This design can effectively prevent the impeller 3 from loosening under high-speed rotation and vibration environment, and ensure the tight fit between the impeller 3 and the rotating shaft 2.

[0061] The locking assembly 5 not only serves to fix and prevent loosening, but also ensures that power can be efficiently transmitted from the shaft 2 to the impeller 3 through its tight fit with the shaft 2, thus ensuring the stable rotation of the impeller 3.

[0062] The locking assembly 5 is designed to ensure the impeller 3 is firmly fixed on the shaft 2 through multi-layer fixing, which can effectively resist the vibration and impact generated during the operation of the garbage truck, prevent the impeller 3 from loosening or shifting, thereby improving the stability and reliability of the fan structure; at the same time, the design of the locking assembly 5 is easy to maintain and replace, and has higher safety.

[0063] In one embodiment,

[0064] The locking element 53 is a nut, and four equally spaced grooves are provided on the outer circumference of the nut; this facilitates locking the nut with a tool.

[0065] In one embodiment,

[0066] like Figure 6 As shown, the locking member 53 is provided with a threaded portion 531 and an arc-shaped portion 532 extending to one end of the shaft disk 31. The threaded portion 531 is screwed onto the first end 21. The threaded portion 531 abuts against the second plug member 52, and the arc-shaped portion 532 abuts against the shaft disk 31. The threaded portion 531 is bolted to the second plug member 52.

[0067] The threaded part 531 engages with the first end 21 of the rotating shaft 2 through the thread, providing axial locking force to ensure the firmness of the impeller 3 on the rotating shaft 2. The abutment design of the arc-shaped part 532 and the shaft disk 31 increases the contact area and further enhances the locking effect, preventing the impeller 3 from loosening when rotating at high speed, restricting the axial movement of the impeller 3, and further enhancing the anti-loosening ability.

[0068] In one embodiment,

[0069] A viewing groove is provided on the aforementioned arc-shaped portion 532, and multiple viewing grooves are evenly distributed along the circumference of the arc-shaped portion 532;

[0070] The visible slots are evenly distributed around the circumference of the arc-shaped portion 532, allowing for easy observation of the connection status of the first connector 51 and the second connector 52. This enables technicians to visually inspect the working condition of the locking components during wind turbine operation or maintenance, ensuring that the connections between the components are tight and secure.

[0071] In one embodiment,

[0072] A special-shaped tooth is formed on the side of the first connector 51 facing the second connector 52, and a tooth groove corresponding to the special-shaped tooth is opened on the second connector 52. The special-shaped tooth is embedded in the tooth groove to form a mating part.

[0073] The engagement of the irregular teeth and the tooth grooves not only provides a locking function, but also plays a positioning role during the assembly process, ensuring the correct installation of the first connector 51 and the second connector 52, which can significantly enhance the locking effect and positioning accuracy.

[0074] In one embodiment,

[0075] like Figure 7 As shown, the limiting component 6 includes a limiting washer 61, a limiting plate 62 and a limiting screw 63. The limiting washer 61 is used to be disposed between the second end 22 of the rotating shaft 2 and the pulley 4. The limiting plate 62 is arranged close to the limiting washer 61 and is fixed to the rotating shaft 2 and the pulley 4 by the limiting screw 63.

[0076] With the buffering effect of the limiting shim 61 and the enhanced stability of the limiting plate 62, the pulley 4 can transmit power more stably, ensuring the efficient operation of the fan.

[0077] In one embodiment,

[0078] A flange perpendicular to the body is provided at the end of the aforementioned limiting plate 62. The flange design can enhance the rigidity of the limiting plate 62 body and prevent bending or deformation due to external forces during use. By increasing the stability of the structure, the flange can ensure that the limiting plate 62 maintains good straightness during long-term use.

[0079] In summary:

[0080] The present invention provides a structure for a garbage truck fan with vibration resistance and anti-loosening features. The locking assembly provides circumferential positioning through the engagement of the irregular teeth and grooves of the first and second plug-in parts. At the same time, it dissipates energy through friction of the tooth surface during vibration. The double fixation of the locking assembly and the locking part ensures a firm connection between the impeller and the shaft, effectively preventing loosening.

[0081] The limiting component of this invention, through the combination of limiting gasket, limiting plate and limiting screw, and the flange design at the end of the limiting plate, further enhances the stability between the pulley and the shaft, and prevents loosening or falling off due to vibration or impact.

[0082] The impeller of this invention uses a design of annular array blades and wheel cover to reduce airflow pulsation by equidistantly distributing the blades. The design of the air inlet of the wheel cover being collinear with the axis reduces inlet vortex loss and improves aerodynamic efficiency. The blade passage design can balance wind pressure and flow requirements, thereby improving the working efficiency of the fan and optimizing the garbage collection effect.

[0083] This invention features a dual anti-loosening mechanism and a special impeller structure, which significantly improves the reliability, vibration resistance, maintenance convenience, and safety of the fan, increases its working efficiency, and optimizes the garbage collection effect. At the same time, the overall fan structure is rationally designed, saves space, and is easy to install and maintain.

[0084] The foregoing has shown and described the basic principles, main features, and advantages of the present invention. Those skilled in the art should understand that the above embodiments are merely illustrative of the technical concept and characteristics of the present invention, intended to enable those skilled in the art to understand and implement the invention, and should not be construed as limiting the scope of protection of the present invention. All equivalent changes or modifications made in accordance with the spirit and essence of the present invention should be covered within the scope of protection of the present invention.

Claims

1. A structure for a garbage truck fan with vibration resistance and anti-loosening features, characterized in that: include Fixed base (1), which has a bearing chamber inside; A rotating shaft (2) is rotatably mounted on a bearing in the bearing housing. The rotating shaft (2) has a first end (21) and a second end (22) extending out from both ends of the bearing housing, respectively. An impeller (3) is mounted on the first end (21) of the rotating shaft (2), is keyed to the rotating shaft (2), and is provided with a locking assembly (5) between itself and the rotating shaft (2); A pulley (4) is mounted on the second end (22) of the rotating shaft (2), is keyed to the rotating shaft (2), and is provided with a limiting component (6) between itself and the rotating shaft (2); Both the impeller (3) and the pulley (4) rotate around the center of the shaft (2); The impeller (3) includes a shaft disk (31), a wheel disk (32), a blade assembly (33), and a wheel cover (34). The shaft disk (31) is sleeved on the rotating shaft (2), and the wheel disk (32) is mounted on the shaft disk (31). The axis of the wheel disk (32) is collinear with the axis of the shaft disk (31). One end of the blade in the blade group (33) is fixed to the end face of the wheel disk (32) and extends away from the wheel disk (32). The blades are arranged in a ring around the axis of the wheel disk (32), and blade passages are formed between the blades. The wheel cover (34) is placed at the extended end of the blade and has an air inlet. The axis of the air inlet and the wheel cover (34) are collinear with the axis of the wheel disc (32).

2. The structure of a garbage truck fan with vibration resistance and anti-loosening properties according to claim 1, characterized in that: The locking assembly (5) includes a first connector (51), a second connector (52) and a locking member (53). The first connector (51) and the second connector (52) are mated and sleeved on the rotating shaft (2). An interlocking portion is provided on the contact surface of the first connector (51) and the second connector (52). The first plug (51) is bolted to the shaft disc (31), and the first end (21) of the rotating shaft (2) is provided with threads. The locking member (53) is screwed onto the first end (21) and abuts against the second plug (52). The locking member (53) is bolted to the second plug (52).

3. The structure of a garbage truck fan with vibration resistance and anti-loosening properties according to claim 2, characterized in that: The locking element (53) is a nut, and four equally spaced grooves are provided on the outer circumferential surface of the nut.

4. The structure of a garbage truck fan with vibration resistance and anti-loosening properties according to claim 2, characterized in that: The locking member (53) is provided with a threaded part (531) and an arc-shaped part (532) extending to one end of the shaft disk (31). The threaded part (531) is screwed onto the first end (21). The threaded part (531) abuts against the second plug-in member (52), and the arc-shaped part (532) abuts against the shaft disk (31). The threaded part (531) is bolted to the second plug-in member (52).

5. The structure of a garbage truck fan with vibration resistance and anti-loosening properties according to claim 4, characterized in that: A viewing groove is provided on the arc-shaped portion (532), and multiple viewing grooves are evenly distributed along the circumference of the arc-shaped portion (532).

6. The structure of a garbage truck fan with vibration resistance and anti-loosening properties according to claim 2, characterized in that: A special-shaped tooth is formed on the side of the first connector (51) facing the second connector (52), and a tooth groove corresponding to the special-shaped tooth is opened on the second connector (52), and the special-shaped tooth is embedded in the tooth groove to form a mating part.

7. The structure of a garbage truck fan with vibration resistance and anti-loosening properties according to claim 1, characterized in that: The limiting component (6) includes a limiting washer (61), a limiting plate (62), and a limiting screw (63). The limiting washer (61) is used to be disposed between the second end (22) of the rotating shaft (2) and the pulley (4). The limiting plate (62) is arranged close to the limiting washer (61) and is fixed to the rotating shaft (2) and the pulley (4) by the limiting screw (63).

8. A garbage truck fan structure with vibration resistance and anti-loosening properties according to claim 7, characterized in that: A flange perpendicular to its body is provided at the end of the limiting plate (62).

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