Fan assembly device of suction excavating equipment and suction excavating equipment

Abstract

The draught fan assembly device comprises a draught fan, a speed-increasing gearbox, a fixed bottom box and a hydraulic oil pump, the draught fan is arranged on one side of the speed-increasing gearbox, the speed-increasing gearbox is in transmission connection with the draught fan, an oil injection opening is formed in the speed-increasing gearbox, and the hydraulic oil pump is arranged on the fixed bottom box. The speed increasing box is used for driving an impeller of the fan to rotate at a high speed; the speed increasing box is connected with a fixed bottom box, the fixed bottom box is used for fixing the speed increasing box, and hydraulic oil is contained in the fixed bottom box; the hydraulic oil pump is arranged on one side of the speed increasing box, the hydraulic oil pump is in transmission connection with the speed increasing box, the speed increasing box is further used for providing power for the hydraulic oil pump, and the fixed bottom box, the hydraulic oil pump and the oil injection port are connected through a hydraulic pipeline. According to the fan assembly device of the suction excavating equipment, the fixed bottom box is used for containing hydraulic oil, so that the occupied space is reduced, the structure is compact, and the lubricating reliability is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of emergency rescue equipment, and particularly relates to a fan assembly device of a suction and excavation equipment and the suction and excavation equipment. Background Art

[0002] At present, the vehicle-mounted pneumatic suction and excavation vehicle is widely used in the industries such as personnel rescue (where it is not easy to cause secondary injuries), earthquake rescue, construction and maintenance of flammable and explosive pipelines, construction and maintenance of urban pipe networks, industrial waste cleaning, and construction and maintenance of highways and railways due to its flexibility and strong environmental adaptability.

[0003] At present, a fan assembly is provided on the existing suction and excavation vehicle. The fan makes the inside of the loading box generate negative pressure, so as to suck materials into the loading box. Among them, it is connected with the fan through a speed increasing box to increase the impeller speed of the fan, thereby improving the negative pressure effect. The existing lubrication of the gears and bearings in the speed increasing box is carried out through a separate set of lubricating oil tank, lubricating oil pump and lubricating motor, and the lubrication is carried out by separately adding a lubrication system, resulting in a complex structure, large occupied space and poor reliability. Summary of the Utility Model

[0004] Therefore, it is necessary to provide a fan assembly device of a suction and excavation equipment and the suction and excavation equipment to solve the technical problems that the existing fan assembly lubricates the gears and bearings in the speed increasing box through a separate set of lubricating oil tank, lubricating oil pump and lubricating motor, and the lubrication is carried out by separately adding a lubrication system, resulting in a complex structure, large occupied space and poor reliability.

[0005] To achieve the above object, the inventor provides a fan assembly device of a suction and excavation equipment, including:

[0006] A fan;

[0007] A speed increasing box, the fan is arranged on one side of the speed increasing box, the speed increasing box is in transmission connection with the fan, an oil injection port is arranged on the speed increasing box, and the speed increasing box is used for driving the impeller of the fan to rotate at a high speed;

[0008] A fixed bottom box, the speed increasing box is connected with the fixed bottom box, the fixed bottom box is used for fixing the speed increasing box, and hydraulic oil is stored in the fixed bottom box;

[0009] And a hydraulic oil pump, the hydraulic oil pump is arranged on one side of the speed increasing box, the hydraulic oil pump is in transmission connection with the speed increasing box, the speed increasing box is also used for providing power for the hydraulic oil pump, and the fixed bottom box, the hydraulic oil pump and the oil injection port are connected through a hydraulic pipeline.

[0010] As a preferred structure of the utility model, the fixed bottom box is arranged at the bottom of the speed increasing box, and the speed increasing box is detachably connected to the fixed bottom box.

[0011] As a preferred structure of the utility model, the fixed bottom box is connected to the hydraulic oil pump through a first oil circuit, and the hydraulic oil pump is connected to the oil filling port through a second oil circuit.

[0012] As a preferred structure of the utility model, the fan assembly device of the suction excavation equipment also includes a filtering mechanism, which is arranged on the hydraulic pipeline between the fixed bottom box and the hydraulic oil pump, and is used to filter impurities in the hydraulic oil.

[0013] Different from the prior art, the beneficial effects of the above technical solution are as follows: in the fan assembly device of the suction excavation equipment of the utility model, the speed increaser drives the impeller of the fan to rotate at high speed during operation, and at the same time, the speed increaser also drives the hydraulic oil pump to work, so that the speed increaser and the hydraulic oil pump operate synchronously. When the speed increaser operates, the gear assembly and bearings in the speed increaser can be lubricated at the same time, thereby improving the reliability of lubrication. When the hydraulic oil pump is working, the hydraulic oil pump transports the hydraulic oil in the fixed bottom box to the oil filling port, and the hydraulic oil enters the speed increaser from the oil filling port, thereby lubricating the gear assembly and bearings in the speed increaser, thereby improving the reliability of lubrication. The fixed bottom box can not only fix the speed increaser and improve the stability of the speed increaser, but also use the fixed bottom box to hold hydraulic oil, thereby reducing the occupied space and having a compact structure.

[0014] To achieve the above objectives, the inventors also provide a suction excavation device, comprising a fan assembly device of any one of the suction excavation devices provided by the above inventors, wherein the fan assembly device is fixedly arranged.

[0015] As a preferred structure of the utility model, the suction excavation equipment also includes a power system, which is transmission-connected to the fan assembly device, and the power system is used to provide power to the fan assembly device.

[0016] As a preferred structure of the utility model, the power system includes an engine, a gearbox and a safety mechanism;

[0017] The gearbox is transmission-connected to the engine;

[0018] The safety mechanism is transmission-connected to the gearbox;

[0019] The fan assembly device is transmission-connected to the safety mechanism, and the safety mechanism is used to control the torque so that the fan assembly device starts smoothly and prevents the fan assembly device from being damaged under overload conditions.

[0020] As a preferred structure of the present utility model, the safety mechanism includes a steel ball clutch and a first belt assembly. The output shaft of the gearbox is in transmission connection with the steel ball clutch, and the steel ball clutch is in transmission connection with the fan assembly device through the first belt assembly.

[0021] As a preferred structure of the present utility model, the first belt assembly includes a first belt pulley, a second belt pulley and a belt component. The first belt pulley is arranged on the steel ball clutch, the second belt pulley is arranged on the input shaft of the fan assembly device, and the belt component is sleeved between the first belt pulley and the second belt pulley.

[0022] As a preferred structure of the present utility model, the suction and excavation equipment further includes an air compressor and a second belt assembly. The air compressor is in transmission connection with the steel ball clutch through the second belt assembly.

[0023] Different from the prior art, the beneficial effects of the above technical solution are as follows: For the suction and excavation equipment of the present utility model, during operation of the fan assembly device of the suction and excavation equipment, the speed increasing box drives the impeller of the fan to rotate at a high speed. At the same time, the speed increasing box also drives the hydraulic oil pump to work, so that the speed increasing box and the hydraulic oil pump operate synchronously. When the speed increasing box operates, the gear assembly and bearings in the speed increasing box can be lubricated simultaneously, improving the reliability of lubrication. When the hydraulic oil pump works, the hydraulic oil pump transports the hydraulic oil in the fixed bottom box to the oil injection port, and the hydraulic oil enters the speed increasing box from the oil injection port, thereby lubricating the gear assembly and bearings in the speed increasing box and improving the reliability of lubrication. The fixed bottom box can not only fix the speed increasing box and improve the stability of the speed increasing box, but also be used to store hydraulic oil, thereby reducing the occupied space and making the structure compact.

[0024] The above relevant description of the utility model content is only an overview of the technical solution of this application. In order to enable those of ordinary skill in the art to more clearly understand the technical solution of this application, and then can be implemented according to the content recorded in the description and the drawings, and in order to make the above objects, other objects, features and advantages of this application more easily understood, the following is described in conjunction with the specific embodiments and drawings of this application. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] The drawings are only used to illustrate the principles, implementation methods, applications, features and effects of the specific embodiments of this application and other related contents, and should not be considered as a limitation to this application.

[0026] In the drawings of the description:

[0027] Figure 1 It is one of the front views of the power system of the suction and excavation equipment described in the specific embodiment;

[0028] Figure 2 The second front view of the power system of the suction and excavation equipment described in the specific implementation manner;

[0029] Figure 3 The first rear view of the fan assembly device of the suction and excavation equipment described in the specific implementation manner;

[0030] Figure 4 The second rear view of the fan assembly device of the suction and excavation equipment described in the specific implementation manner;

[0031] Figure 5 The structural schematic diagram of the power system of the suction and excavation equipment described in the specific implementation manner.

[0032] The description of the reference numerals involved in the above-mentioned drawings is as follows:

[0033] 1. Engine,

[0034] 11. First transmission shaft,

[0035] 2. Gearbox,

[0036] 3. Steel ball clutch,

[0037] 4. Fan assembly device,

[0038] 41. Speed increasing box,

[0039] 411. Oil filling port,

[0040] 42. Fan,

[0041] 43. Fixed bottom box,

[0042] 44. Hydraulic oil pump,

[0043] 45. First oil circuit,

[0044] 46. Second oil circuit,

[0045] 47. Filter mechanism,

[0046] 5. First belt assembly,

[0047] 51. First belt pulley,

[0048] 52. Second belt pulley,

[0049] 53. Belt component,

[0050] 6. Air compressor,

[0051] 61. Second belt assembly. Specific implementation manner

[0052] To elaborate on the possible application scenarios, technical principles, specific implementable solutions, achievable objectives and effects of this application in detail, the following provides a detailed description in conjunction with the listed specific embodiments and with reference to the accompanying drawings. The embodiments described herein are only used to more clearly illustrate the technical solutions of this application, and thus are only examples and cannot be used to limit the protection scope of this application.

[0053] Referring to "embodiments" herein means that the specific features, structures or characteristics described in connection with the embodiments may be included in at least one embodiment of this application. The term "embodiment" that appears in various positions in the specification does not necessarily refer to the same embodiment, nor does it particularly define its independence or relevance to other embodiments. In principle, in this application, as long as there is no technical contradiction or conflict, the various technical features mentioned in each embodiment can be combined in any way to form corresponding implementable technical solutions.

[0054] Unless otherwise defined, the meanings of the technical terms used herein are the same as those commonly understood by those skilled in the technical field to which this application belongs; the use of the relevant terms herein is only for describing specific embodiments and is not intended to limit this application.

[0055] In the description of this application, the phrase "and / or" is an expression used to describe the logical relationship between objects, indicating that three relationships may exist. For example, A and / or B means: there is A, there is B, and there is both A and B at the same time. In addition, the character " / " herein generally represents an "or" logical relationship between the associated objects before and after.

[0056] In this application, terms such as "first" and "second" are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual quantity, primary-secondary or order relationship, etc. between these entities or operations.

[0057] Without more limitations, in this application, the expressions such as "including", "comprising", "having" or other similar expressions used in the statements are intended to cover non-exclusive inclusion. These expressions do not exclude that there may be other elements in the process, method or product including the said elements, so that the process, method or product including a series of elements may not only include those defined elements, but also include other elements not explicitly listed, or also include elements inherent to this process, method or product.

[0058] Similar to the understanding in the "Examination Guidelines", in this application, expressions such as "greater than", "less than", "exceeding" are understood as not including the base number; expressions such as "above", "below", "within" are understood as including the base number. In addition, in the description of the embodiments of this application, the meaning of "multiple" is two or more (including two), and similar expressions related to "many" are also understood in this way, such as "multiple groups", "multiple times", etc., unless otherwise specifically limited.

[0059] In the description of the embodiments of this application, the spatially related expressions used, such as "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "vertical", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc., the indicated orientation or positional relationship is based on the orientation or positional relationship shown in the specific embodiment or the drawing, and is only for the convenience of describing the specific embodiments of this application or for the reader to understand, rather than indicating or implying that the device or component referred to must have a specific position, a specific orientation, or be constructed or operated in a specific orientation, so it cannot be understood as a limitation on the embodiments of this application. In addition, in the context, it should also be understood that when it is mentioned that an element is connected "above" or "below" another element, it can not only be directly connected "above" or "below" another element, but also be indirectly connected "above" or "below" another element through an intermediate element.

[0060] Unless otherwise clearly specified or limited, in the description of the embodiments of this application, the terms such as "installed", "connected", "connected", "fixed", "set" should be understood in a broad sense. For example, the "connection" can be a fixed connection, a detachable connection, or an integral setting; it can be a mechanical connection, an electrical connection, or a communication connection; it can be directly connected, or indirectly connected through an intermediate medium; it can be the communication inside two elements or the interaction relationship between two elements. For those skilled in the art to which this application belongs, the specific meanings of the above terms in the embodiments of this application can be understood according to specific situations.

[0061] Please refer to Figures 1 to 5 , this embodiment relates to a fan assembly device of a suction excavation device, where the suction device in this embodiment is a suction excavation vehicle; the fan assembly device of the suction excavation device includes:

[0062] A fan 42; when the fan 42 operates, a negative pressure is generated in the material box of the suction excavation device, and the material is sucked into the material box through the suction pipe.

[0063] A speed increaser 41, with a blower 42 arranged on one side of the speed increaser 41. The speed increaser 41 is in transmission connection with the blower 42. An oil filling port 411 is provided on the speed increaser 41. By providing the oil filling port 411, it is convenient to lubricate the gear assembly and bearings inside the speed increaser 41. The speed increaser 41 is used to drive the impeller of the blower 42 to rotate at a high speed, increase the impeller speed, and thus improve the working efficiency of the blower 42.

[0064] A fixed bottom box 43, with the speed increaser 41 connected to the fixed bottom box 43. The fixed bottom box 43 is of a hollow structure. The fixed bottom box 43 is used to fix the speed increaser 41, and hydraulic oil is contained inside the fixed bottom box 43. Among them, the fixed bottom box 43 can not only fix the speed increaser 41 and improve the stability of the speed increaser 41, but also use the fixed bottom box 43 to contain hydraulic oil, thereby reducing the occupied space and making the structure compact. It should be noted that in this embodiment, power is provided to the speed increaser 41 by the engine 1 on the suction excavation equipment. In other embodiments, a power mechanism can also be separately provided on the suction excavation equipment to provide power to the speed increaser 41.

[0065] And a hydraulic oil pump 44, with the hydraulic oil pump 44 arranged on one side of the speed increaser 41. The hydraulic oil pump 44 is in transmission connection with the speed increaser 41. The speed increaser 41 is also used to provide power to the hydraulic oil pump 44 to drive the hydraulic oil pump 44 to work. The fixed bottom box 43, the hydraulic oil pump 44, and the oil filling port 411 are connected through hydraulic pipelines. Among them, when the speed increaser 41 drives the impeller of the blower 42 to rotate at a high speed, at the same time, the speed increaser 41 also drives the hydraulic oil pump 44 to work, so that the speed increaser 41 and the hydraulic oil pump 44 operate synchronously. When the speed increaser 41 operates, the gear assembly and bearings inside the speed increaser 41 can be lubricated simultaneously, improving the reliability of lubrication. When the hydraulic oil pump 44 works, the hydraulic oil pump 44 transports the hydraulic oil in the fixed bottom box 43 to the oil filling port 411, and the hydraulic oil enters the speed increaser 41 from the oil filling port 411 to lubricate the gear assembly and bearings inside the speed increaser 41. Specifically, the hydraulic oil pump 44 in this embodiment is a gear oil pump.

[0066] Specifically, in the fan assembly device 4 of the suction excavation equipment in this embodiment, during operation, the speed increasing gearbox 41 drives the impeller of the fan 42 to rotate at a high speed. At the same time, the speed increasing gearbox 41 also drives the hydraulic oil pump 44 to work, so that the speed increasing gearbox 41 and the hydraulic oil pump 44 operate synchronously. When the speed increasing gearbox 41 operates, it can lubricate the gear assembly and bearings in the speed increasing gearbox 41 at the same time, improving the reliability of lubrication. When the hydraulic oil pump 44 works, the hydraulic oil pump 44 transports the hydraulic oil in the fixed bottom box 43 to the oil injection port 411, and the hydraulic oil enters the speed increasing gearbox 41 from the oil injection port 411, thereby lubricating the gear assembly and bearings in the speed increasing gearbox 41 and improving the reliability of lubrication. The fixed bottom box 43 can not only fix the speed increasing gearbox 41 and improve the stability of the speed increasing gearbox 41, but also be used to hold the hydraulic oil, thereby reducing the occupied space and making the structure compact.

[0067] Specifically, in this embodiment, as shown in the figure, the fixed bottom box 43 is arranged at the bottom of the speed increasing gearbox 41, so as to facilitate fixing the speed increasing gearbox 41. The speed increasing gearbox 41 and the fixed bottom box 43 are detachably connected by bolts, which is convenient for future maintenance.

[0068] Optionally, in some embodiments, as shown in the figure, the fixed bottom box 43 and the hydraulic oil pump 44 are connected through a first oil circuit 45, and the hydraulic oil pump 44 and the oil injection port 411 are connected through a second oil circuit 46, so as to transport the hydraulic oil in the fixed bottom box 43 to the oil injection port 411, and the hydraulic oil enters the speed increasing gearbox 41 from the oil injection port 411, thereby lubricating the gear assembly and bearings in the speed increasing gearbox 41.

[0069] Optionally, in some embodiments, as shown in the figure, the fan assembly device 4 of the suction excavation equipment further includes a filtering mechanism 47. The filtering mechanism 47 is arranged on the hydraulic pipeline between the fixed bottom box 43 and the hydraulic oil pump 44. Specifically, in this embodiment, the filtering mechanism 47 is arranged on the first oil circuit 45. The filtering mechanism 47 is used to filter impurities in the hydraulic oil, improving the reliability of lubrication. The filtering mechanism 47 is an oil suction filter.

[0070] Please refer to Figures 1 to 5 , this embodiment relates to a suction excavation equipment, including the fan assembly device 4 of the suction excavation equipment as described in any one of the above embodiments. The fan assembly device 4 is fixedly arranged in the box body of the suction excavation equipment; wherein the suction equipment in this embodiment is a suction excavation vehicle.

[0071] Optionally, in some embodiments, as shown in the figure, the suction excavation device further includes a power system, which is drivingly connected to the fan assembly device 4, and the power system is used to provide power to the fan assembly device 4 to drive the fan assembly device 4 to operate. In other embodiments, a power mechanism may also be separately provided on the suction excavation device to provide power to the speed increasing box 41.

[0072] Optionally, in some embodiments, as shown in the figure, the power system includes an engine 1, a gearbox 2, and a safety mechanism; wherein the engine 1 converts the chemical energy of fuel into mechanical energy of piston movement and outputs power externally; the engine 1 in this embodiment is a diesel engine 1; in other embodiments, the engine 1 may also be a gasoline engine 1, an electric vehicle motor, and a hybrid power, etc. The gearbox 2 is drivingly connected to the engine 1; wherein in this embodiment, the gearbox 2 is a belt gearbox 2, and the reason for selecting the belt gearbox 2 is that it has advantages such as smooth operation and strong reliability. Specifically, the engine 1 is drivingly connected to the input shaft of the gearbox 2 through a first transmission shaft 11. The safety mechanism is drivingly connected to the gearbox 2; the fan assembly device 4 is drivingly connected to the safety mechanism, and the safety mechanism is used to control the torque so that the fan assembly device 4 starts smoothly and prevents the fan assembly device 4 from being damaged under overload conditions. Among them, the engine 1 drives the fan assembly device 4 to operate, and the fan assembly device 4 starts, causing a negative pressure to be generated in the material box of the suction excavation device, and the material is sucked into the material box through the suction pipe; among the transmission process between the engine 1 and the fan assembly device 4, a safety mechanism is provided to control the torque, so that the fan assembly device 4 starts smoothly, prevents the fan assembly device 4 from being damaged under overload conditions, improves the service life of the fan assembly device 4, and prevents the engine 1 from stalling, ensuring the orderly development of the emergency rescue operation.

[0073] Specifically, during the emergency rescue operation, the engine 1 starts, and the engine 1 transmits the power to the gearbox 2. After the gearbox 2 changes the speed and torque, it transmits the power to the safety mechanism, and finally transmits the power to the fan assembly device 4 through the safety mechanism, so that the fan assembly device 4 operates. Among the transmission process between the engine 1 and the fan assembly device 4, a safety mechanism is provided to control the torque, so that the fan assembly device 4 starts smoothly, prevents the fan assembly device 4 from being damaged under overload conditions, improves the service life of the fan assembly device 4, and prevents the engine 1 from stalling, ensuring the orderly development of the emergency rescue operation.

[0074] Specifically, in this embodiment, as Figures 1 to 5As shown, the safety mechanism includes a steel ball clutch 3 and a first belt assembly 5. The output shaft of the gearbox 2 is drivingly connected to the steel ball clutch 3, and the steel ball clutch 3 is drivingly connected to the fan assembly device 4 through the first belt assembly 5. Specifically, during the emergency rescue operation, the engine 1 is started, and the engine 1 transmits power to the gearbox 2. After the gearbox 2 changes speed and torque, it transmits power to the steel ball clutch 3. The steel ball clutch 3 and the fan assembly device 4 are drivingly connected through the first belt assembly 5, and finally the power is transmitted to the fan assembly device 4, causing the fan assembly device 4 to operate. During the transmission process between the engine 1 and the fan assembly device 4, the torque is controlled by the steel ball clutch 3, so that the fan assembly device 4 starts smoothly, preventing the fan assembly device 4 from being damaged under overload conditions, improving the service life of the fan assembly device 4, and preventing the engine 1 from stalling, ensuring the orderly development of the emergency rescue operation. The steel ball clutch 3 is selected because it has the advantages of simple structure, large transmission power, automatically stopping transmission under overload conditions, and convenient maintenance. It should be noted that the structure of the safety mechanism in this embodiment is not limited to this, and those skilled in the art can select other suitable safety mechanisms according to the teachings of this embodiment.

[0075] Specifically, in this embodiment, as Figures 1 to 5 shown, the first belt assembly 5 includes a first pulley 51, a second pulley 52, and a belt member 53. The first pulley 51 is disposed on the outer wall of the steel ball clutch 3, the second pulley 52 is disposed on the input shaft of the fan assembly device 4, and the belt member 53 is sleeved between the first pulley 51 and the second pulley 52. The steel ball clutch 3 and the fan assembly device 4 are drivingly connected through the belt member 53, transmitting power to the fan assembly device 4, causing the fan assembly device 4 to operate. It should be noted that the structure of the first belt assembly 5 in this embodiment is not limited to this, and those skilled in the art can select other suitable first belt assemblies 5 according to the teachings of this embodiment.

[0076] Optionally, in some embodiments, as Figures 1 to 5 shown, the suction and excavation equipment further includes an air compressor 6 and a second belt assembly 61. The second belt assembly 61 is disposed on one side of the first belt assembly 5. The air compressor 6 is drivingly connected to the steel ball clutch 3 through the second belt assembly 61 to drive the air compressor 6 to work. Among them, the steel ball clutch 3 drives the fan assembly device 4 and the air compressor 6 to operate at the same time, with a compact structure and reduced occupied space. The air compressor 6 is used to provide gas for the pulse dust removal of the suction equipment. It should be noted that the structure of the second belt assembly 61 in this embodiment is the same as that of the first belt assembly 5, and will not be described in detail here.

[0077] Finally, it should be noted that although the above embodiments have been described in the text and drawings of the specification of this application, the patent protection scope of this application cannot be limited thereby. Any technical solutions obtained by equivalent structural or equivalent process substitutions or modifications made based on the essential concept of this application, using the content recorded in the text and drawings of the specification of this application, as well as directly or indirectly implementing the technical solutions of the above embodiments in other related technical fields, etc., are all included within the patent protection scope of this application.

Claims

1. A fan assembly device of a suction excavation equipment, characterized in that Comprising: A fan; A speed increaser gearbox, the fan is arranged on one side of the speed increaser gearbox, the speed increaser gearbox is in transmission connection with the fan, an oil filling port is arranged on the speed increaser gearbox, and the speed increaser gearbox is used for driving the impeller of the fan to rotate at a high speed; A fixed bottom box, the speed increaser gearbox is connected with the fixed bottom box, the fixed bottom box is used for fixing the speed increaser gearbox, and hydraulic oil is contained in the fixed bottom box; And a hydraulic oil pump, the hydraulic oil pump is arranged on one side of the speed increaser gearbox, the hydraulic oil pump is in transmission connection with the speed increaser gearbox, the speed increaser gearbox is also used for providing power to the hydraulic oil pump, and the fixed bottom box, the hydraulic oil pump and the oil filling port are connected through a hydraulic pipeline.

2. The fan assembly device of the suction excavation equipment according to claim 1, characterized in that: The fixed bottom box is arranged at the bottom of the speed increaser gearbox, and the speed increaser gearbox is detachably connected with the fixed bottom box.

3. The fan assembly device of the suction excavation equipment according to claim 1, characterized in that: The fixed bottom box is connected with the hydraulic oil pump through a first oil circuit, and the hydraulic oil pump is connected with the oil filling port through a second oil circuit.

4. The fan assembly device of the suction excavation equipment according to claim 1 or 3, characterized in that: The fan assembly device of the suction and excavation equipment further comprises a filtering mechanism, the filtering mechanism is arranged on the hydraulic pipeline between the fixed bottom box and the hydraulic oil pump, and the filtering mechanism is used for filtering impurities in the hydraulic oil.

5. A suction excavation device, characterized in that: Comprising the fan assembly device of the suction and excavation equipment according to any one of claims 1 to 4 above, and the fan assembly device is fixedly arranged.

6. The suction excavation device according to claim 5, wherein: The suction and excavation equipment further comprises a power system, the power system is in transmission connection with the fan assembly device, and the power system is used for providing power to the fan assembly device.

7. The suction excavation device according to claim 6, characterized in that: The power system comprises an engine, a gearbox and a safety mechanism; The gearbox is in transmission connection with the engine; The safety mechanism is in transmission connection with the gearbox; The fan assembly device is in transmission connection with the safety mechanism, and the safety mechanism is used for controlling the torque so as to enable the fan assembly device to start smoothly and prevent the fan assembly device from being damaged under the overload condition.

8. The suction excavation device according to claim 7, characterized in that: The safety mechanism comprises a steel ball clutch and a first belt assembly, the output shaft of the gearbox is in transmission connection with the steel ball clutch, and the steel ball clutch is in transmission connection with the fan assembly device through the first belt assembly.

9. The suction excavation device according to claim 8, characterized in that: The first belt assembly comprises a first belt pulley, a second belt pulley and a belt component, the first belt pulley is arranged on the steel ball clutch, the second belt pulley is arranged on the input shaft of the fan assembly device, and the belt component is sleeved between the first belt pulley and the second belt pulley.

10. The suction excavation device according to claim 8 or 9, characterized in that: The suction and excavation equipment further comprises an air compressor and a second belt assembly, and the air compressor is in transmission connection with the steel ball clutch through the second belt assembly.

Images