CN219862587U

CN219862587U - Driving device for simultaneously driving centrifugal fan and high-pressure water pump and sweeper

Info

Publication number: CN219862587U
Application number: CN202321102913.5U
Authority: CN
Inventors: 彭稳; 邱东升; 徐浩; 张振龙
Original assignee: Zhejiang Xi Renewable Energy Automotive Technology Co ltd
Current assignee: Zhejiang Xi Renewable Energy Automotive Technology Co ltd
Priority date: 2023-05-09
Filing date: 2023-05-09
Publication date: 2023-10-20
Anticipated expiration: 2033-05-09

Abstract

The utility model provides a driving device for simultaneously driving a centrifugal fan and a high-pressure water pump and a motor sweeper, which comprises the centrifugal fan, the high-pressure water pump and a driving motor, wherein a first motor shaft and a second motor shaft are respectively arranged at two ends of the driving motor, the first motor shaft is used for being connected with a first input shaft of the centrifugal fan, and the second motor shaft is used for being connected with a second input shaft of the high-pressure water pump. The driving motor of the scheme adopts a double-shaft design, when the driving motor operates, the centrifugal fan and the high-pressure water pump can be directly driven to operate respectively, compared with the prior art, the weight of a vehicle can be reduced by simplifying the driving device structure, and meanwhile, the centrifugal fan, the high-pressure water pump and the driving motor adopt an integrated design, so that the structure is compact, and the arrangement space of the vehicle can be effectively saved.

Description

Driving device for simultaneously driving centrifugal fan and high-pressure water pump and sweeper

Technical Field

The utility model belongs to the technical field of sweeper trucks, and particularly relates to a driving device for simultaneously driving a centrifugal fan and a high-pressure water pump and a sweeper truck.

Background

The sanitation cleaning vehicle is used for collecting road garbage or sewage by adopting a mode of combining sweeping brush collection, negative pressure suction and high pressure cleaning, and particularly the cleaning vehicle.

In the prior art, a centrifugal fan and a high-pressure water pump usually adopt two different power mechanisms to drive the two functional elements respectively, so that the occupied space of a vehicle is large.

Therefore, how to simplify the structure of the driving device and reasonably save the layout space of the vehicle is a problem to be solved by those skilled in the art.

Disclosure of Invention

The utility model aims to provide a driving device for simultaneously driving a centrifugal fan and a high-pressure water pump and a sweeper, and the arrangement space of the sweeper can be effectively saved by simplifying the structure of the driving device.

In order to solve the technical problems, the utility model provides a driving device for simultaneously driving a centrifugal fan and a high-pressure water pump, which comprises the centrifugal fan, the high-pressure water pump and a driving motor, wherein a first motor shaft and a second motor shaft are respectively arranged at two ends of the driving motor, the first motor shaft is used for being in transmission connection with a first input shaft of the centrifugal fan, and the second motor shaft is used for being in transmission connection with a second input shaft of the high-pressure water pump.

Optionally, in the driving device for simultaneously driving the centrifugal fan and the high-pressure water pump, the centrifugal fan comprises a volute, a shaft disc, a first bearing seat and an impeller, an air inlet, an air outlet and a through hole are formed in the volute, the first input shaft penetrates through the through hole, the outer end of the first input shaft is connected with the driving motor through the first bearing seat, the inner end of the first input shaft is connected with the shaft disc, and the impeller is connected with the shaft disc.

Optionally, in the driving device for driving the centrifugal fan and the high-pressure water pump at the same time, the first bearing seat is connected with the driving motor through a bolt;

and/or, the first input shaft is connected with the first motor shaft through a spline assembly;

and/or the first input shaft is connected with the shaft disc through a flat key shaft;

and/or the shaft disc is connected with the impeller through rivets.

Optionally, in the driving device for simultaneously driving the centrifugal fan and the high-pressure water pump, a clutch is arranged on the second motor shaft, a first belt pulley is arranged on the clutch, a second belt pulley is arranged on the second input shaft of the high-pressure water pump, and the first belt pulley is connected with the second belt pulley through a first transmission belt.

Optionally, in the driving device for driving the centrifugal fan and the high-pressure water pump simultaneously, the second motor shaft is connected with the first belt pulley through a flat key;

and/or the second input shaft is connected with the second belt pulley through a flat key.

Optionally, in the driving device for simultaneously driving the centrifugal fan and the high-pressure water pump, the driving device further comprises an oil pump, the second motor shaft is further used for being in transmission connection with a third input shaft of the oil pump, a third belt pulley is arranged on the third input shaft, a fourth belt pulley is arranged on the second motor shaft, and the third belt pulley is connected with the fourth belt pulley through a second transmission belt.

Optionally, in the driving device for simultaneously driving the centrifugal fan and the high-pressure water pump, the device further comprises a tensioning mechanism for adjusting the distance between the oil pump and the second motor shaft of the driving motor.

Optionally, in the driving device for simultaneously driving the centrifugal fan and the high-pressure water pump, the third input shaft is arranged in the second bearing seat, the tensioning mechanism is two and comprises two lug plates and a tensioning connecting rod which are respectively arranged on the second bearing seat and the vehicle body, one end of the tensioning connecting rod is hinged with the lug plates of the second bearing seat, and the other end of the tensioning connecting rod is in threaded connection with the lug plates on the vehicle body and can be screwed by a fastening piece.

The scheme also provides a motor sweeper, which comprises a centrifugal fan, a high-pressure water pump and a driving device for driving the centrifugal fan and the high-pressure water pump simultaneously.

Optionally, in the above sweeper, the sweeper further comprises a first mounting seat for mounting the high-pressure water pump;

and/or, the centrifugal fan further comprises a second mounting seat for mounting the volute of the centrifugal fan.

The utility model provides a driving device for simultaneously driving a centrifugal fan and a high-pressure water pump, which has the beneficial effects that:

the driving motor adopts the biax design, when driving motor operation, but direct drive centrifugal fan and high pressure water pump operation respectively, for prior art, through simplifying drive arrangement structure, can subtract heavy to the vehicle, centrifugal fan, high pressure water pump and driving motor adopt integrated design simultaneously for compact structure can effectively save the layout space of vehicle.

The utility model also provides a sweeper with the driving device for simultaneously driving the centrifugal fan and the high-pressure water pump, which has the same beneficial effects and is not described herein.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are required to be used in the embodiments or the description of the prior art will be briefly described below, and it is obvious that the drawings in the following description are only embodiments of the present utility model, and that other drawings can be obtained according to the provided drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic structural diagram of a driving device for simultaneously driving a centrifugal fan and a high-pressure water pump, which is connected with the centrifugal fan and the high-pressure water pump;

FIG. 2 is an axial sectional view of a driving device for simultaneously driving a centrifugal fan and a high-pressure water pump, which is connected with the centrifugal fan and the high-pressure water pump, according to an embodiment of the present utility model;

fig. 3 is a schematic front view of a driving device for simultaneously driving a centrifugal fan and a high-pressure water pump, which is connected with the centrifugal fan and the high-pressure water pump;

fig. 4 is a schematic structural diagram of a driving motor according to an embodiment of the present utility model;

fig. 5 is a schematic diagram of a driving device, which is provided by the embodiment of the utility model, connected with a centrifugal fan, a high-pressure water pump and an oil pump under a bottom view;

FIG. 6 is a schematic structural diagram of a tensioning mechanism according to an embodiment of the present utility model;

fig. 7 is a schematic structural diagram of a driving device, a centrifugal fan, a high-pressure water pump and an oil pump according to an embodiment of the present utility model.

In the upper graph:

1-a centrifugal fan; 101-an air inlet; 102-a volute; 103-a second mount; 104-an exhaust outlet; 105-impeller; 106-a shaft disc; 107-a first input shaft; 108-a first bearing seat;

2-driving a motor; 201-a first motor shaft; 202-a second motor shaft;

a 3-clutch;

4-a first drive belt;

5-a second pulley;

6-a high-pressure water pump;

7-an oil pump; 701-a third pulley; 702-a second drive belt; 703-a second bearing mount; 704-ear plate; 705-tensioning the connecting rod; 706-fasteners.

Detailed Description

Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the utility model.

The utility model aims at providing a driving device for simultaneously driving a centrifugal fan and a high-pressure water pump and a sweeper, and the driving device is simplified in structure, so that the arrangement space of a vehicle can be effectively saved.

In order to make the technical solution provided by the present utility model better understood by those skilled in the art, the present utility model will be further described in detail with reference to the accompanying drawings and specific embodiments.

Specifically, referring to fig. 1 to 7, the driving device for simultaneously driving a centrifugal fan and a high-pressure water pump provided by the utility model comprises a centrifugal fan 1, a high-pressure water pump 6 and a driving motor 2.

The two ends of the driving motor 2 are respectively provided with a first motor shaft 201 and a second motor shaft 202, wherein the first motor shaft 201 is used for being in transmission connection with the first input shaft 107 of the centrifugal fan 1, and the second motor shaft 202 is used for being in transmission connection with the second input shaft of the high-pressure water pump 6. The driving motor 2 can be a disc motor and has the characteristics of small volume, light weight, compact structure and high efficiency.

The centrifugal fan 1 is a driven fluid machine, and is a mechanical device for increasing the pressure of gas and discharging the gas by means of input mechanical energy, and is mainly composed of a volute 102, an impeller 105, a transmission shaft and other elements, wherein the gas enters the centrifugal fan 1 from the axial direction, the impeller 105 of the centrifugal fan 1 is rotated at a high speed by a power device, the gas in the centrifugal fan 1 is accelerated, then the flow direction is decelerated and changed, and kinetic energy is converted into potential energy (pressure). The negative pressure suction is to drive the centrifugal fan 1 by a power device (namely, the driving motor 2 in the scheme), negative pressure and air flow are formed at the suction device, so that road garbage is pumped away from a road after reaching the suspension speed of the road garbage, the garbage is collected in the box body after sedimentation and filtration of a cleaning carriage body, and clean air flow can be discharged to the outside of a vehicle through the centrifugal fan 1 and an exhaust duct at the tail end.

The high-pressure water pump 6 is a machine for improving water pressure and conveying high-pressure water by means of input mechanical energy, and the high-pressure water pump 6 used in a general sweeper is a plunger type water pump, the high-pressure water pump 6 is provided with an input shaft, and the input shaft is connected with power elements such as an engine, a motor and the like in a direct connection, belt connection and the like.

The structures of the centrifugal fan 1 and the high-pressure water pump 6 can be adaptively improved according to practical situations.

The drive arrangement who drives centrifugal fan 1 and high pressure water pump simultaneously that this scheme provided, driving motor 2 adopt biax design, when driving motor 2 operation, but direct drive centrifugal fan 1 and high pressure water pump 6 operation respectively, for prior art, through reducing drive arrangement quantity, can subtract heavy to the vehicle, centrifugal fan 1, high pressure water pump 6 and driving motor 2 adopt integrated design simultaneously for compact structure can effectively save the layout space of vehicle.

In a specific embodiment, the centrifugal fan 1 includes a volute 102, a shaft disc 106, a first bearing seat 108 and an impeller 105, the volute 102 is provided with an air inlet 101, an air outlet 104 and a through hole, a first input shaft 107 on the shaft disc 106 penetrates through the through hole, the outer end of the first input shaft is connected with the driving motor 2 through the first bearing seat 108, the inner end of the first input shaft is connected with the shaft disc 106, and the impeller 105 is connected with the shaft disc 106.

In a specific embodiment, the first bearing seat 108 is connected with the driving motor 2 through bolts; the first input shaft 107 is connected with the first motor shaft 201 through a spline assembly comprising an internal spline and an external spline; the first input shaft 107 is connected with the shaft disc 106 through a flat key shaft; the shaft disk 106 is rigidly connected to the impeller 105 by rivets.

The high-pressure water pump 6, the driving motor 2 and the centrifugal fan 1 are rigidly connected through bolts or rivets, and when the centrifugal fan is used, vibration is consistent, so that the problems of shaking, groove jump, overturning and the like caused by inconsistent vibration of the first belt pulley and the second belt pulley 5 of the first transmission belt 4 can be effectively avoided.

In a further embodiment, a clutch 3 is provided between the second motor shaft 202 and the second input shaft. The clutch 3 can be disengaged when the sweeper does not use the high-pressure water pump function, so that power consumption is avoided. Specifically, the second motor shaft 202 is provided with a clutch 3, the clutch 3 is provided with a first belt pulley, the second input shaft of the high-pressure water pump is provided with a second belt pulley 5, and the first belt pulley is connected with the second belt pulley 5 through a first transmission belt 4.

As shown in fig. 2, the drive motor 2 has a double output shaft, a first motor shaft 201 is directly connected to the first input shaft 107, and a second motor shaft 202 is directly connected to the first pulley of the clutch 3.

Advantages of using belt drive include: 1. smooth and noise during operation: is suitable for the transmission occasion with larger center distance between two shafts. 2. Has the functions of buffering and absorbing vibration: the belt has good elasticity, and the transmission is steady when working, can cushion, absorb vibration. 3. The overload protection function is achieved: if overload is encountered during operation, the belt can slip on the belt wheel, so that the weak parts can be prevented from being damaged, and the safety protection function can be realized. 4. The requirements on the manufacturing and mounting precision are not high: low cost, simple structure, simple manufacture, low cost, no need of lubrication, buffering, shock absorption, convenient installation and maintenance, etc. 5. Is suitable for long-distance transmission: the belt is an intermediate part, and the length can be selected according to the needs within a certain range so as to adapt to the working requirement of larger center distance requirement.

The above arrangement may enable a height difference between the second motor shaft 202 and the second input shaft, i.e. the driving motor 2 and the high-pressure water pump may be located at the same level in the height direction, or may be arranged in a staggered manner.

To facilitate disassembly, the second motor shaft 202 is connected to the first pulley by a flat key. Likewise, the second input shaft is connected to the second pulley 5 by a flat key. The flat key connection mode is adopted, so that the connecting structure is simple, the assembly and the disassembly are convenient, the centering is good, and the axial fixation can be realized.

The first motor shaft 201 and the second motor shaft 202 may be arranged coaxially as shown in fig. 3, or may be arranged non-coaxially, and specifically, the adaptability of the specific positions of the two motor shafts may be improved according to practical situations, and any adaptability improvement is within the scope of protection of the present application.

The scheme still includes oil pump 7, and the second motor shaft still is used for being connected with the transmission of the third input shaft of oil pump 7, sets up third belt pulley 701 on the third input shaft, sets up the fourth belt pulley on the second motor shaft, and third belt pulley 701 and fourth belt pulley pass through second drive belt 702 and connect. The oil pump 7 is connected with a hydraulic system on the sweeper, the hydraulic system drives a hydraulic oil cylinder and a hydraulic motor, the hydraulic oil cylinder is used for realizing lifting of the sweeping mechanism, and the hydraulic motor is used for realizing rotation of the sweeping mechanism. The first motor shaft of the driving motor drives the centrifugal fan, and the second motor shaft can simultaneously drive the high-pressure water pump 6 and the oil pump 7, so that the operation mode of combining negative pressure suction, high-pressure cleaning and hydraulic driving sweeping and collecting is realized.

Through the structure, the driving motor with double output shafts can realize direct-drive centrifugal fans, and can realize one-drive-more capacity through belt transmission.

In order to achieve the tensioning of the second drive belt 702, a tensioning mechanism for adjusting the distance between the oil pump 7 and the second motor shaft of the drive motor is also included.

In one form, as shown in fig. 5 and 6, the third input shaft is disposed in the second bearing seat 703, and the tensioning mechanism includes two lugs 704 and a tensioning link 705 disposed on the second bearing seat 703 and the vehicle body respectively, and one end of the tensioning link 705 is hinged to the lugs 704 of the second bearing seat 703, and the other end is in threaded connection with the lugs 704 on the vehicle body and can be screwed by a fastener 706. The installation angle of the second bearing 703 is adjusted by the fastener 706 to achieve tensioning of the second drive belt 702.

In other forms, the tensioning mechanism may further be provided with one or more tensioning mechanisms, and specifically, the tensioning mechanism may be adaptively improved according to actual needs, which will not be further described herein.

In addition, the utility model also provides a sweeper, which comprises the centrifugal fan 1, the high-pressure water pump 6 and a driving device for simultaneously driving the centrifugal fan 1 and the high-pressure water pump 6.

Obviously, the sweeper with the driving device for simultaneously driving the centrifugal fan 1 and the high-pressure water pump 6 has the same beneficial effects as described above, and is not described in detail herein.

The sweeper further comprises a first mounting seat for mounting the high-pressure water pump 6. The first mount is bolted to the volute 102.

To ensure the assembly coaxial precision of the first motor shaft 201 and the first input shaft 107, the first bearing housing 108 is subjected to finish machining treatment after integral casting, thereby ensuring the assembly precision.

The centrifugal fan 1 further comprises a second mount 103 for mounting the volute 102 of the centrifugal fan 1. The first mounting seat and the second mounting seat 103 can adopt plate-shaped or bracket structural forms according to actual needs, and the mounting positions can also be designed according to actual needs.

In conclusion, the driving device provided by the scheme is compact in structure, the occupied space in the vehicle can be greatly reduced, the centrifugal fan 1, the high-pressure water pump and the driving device are more compactly placed together, and the weight and cost of the driving device are reduced.

In the description of the present utility model, it should be understood that references to orientation descriptions such as upper, lower, front, rear, left, right, etc. are based on the orientation or positional relationship shown in the drawings, are merely for convenience of description of the present utility model and to simplify the description, and do not indicate or imply that the apparatus or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present utility model.

In the description of the present utility model, the plural means that more than two are used for distinguishing technical features if the first and second are described only, and should not be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

As used in the specification and in the claims, the terms "a," "an," "the," and/or "the" are not specific to a singular, but may include a plurality, unless the context clearly dictates otherwise. In general, the terms "comprises" and "comprising" merely indicate that the steps and elements are explicitly identified, and they do not constitute an exclusive list, as other steps or elements may be included in a method or apparatus. The inclusion of an element defined by the phrase "comprising one … …" does not exclude the presence of additional identical elements in a process, method, article, or apparatus that comprises an element.

Wherein, in the description of the embodiments of the present utility model, unless otherwise indicated, "/" means or, for example, a/B may represent a or B; "and/or" herein is merely an association relationship describing an association object, and means that three relationships may exist, for example, a and/or B may mean: a exists alone, A and B exist together, and B exists alone. In addition, in the description of the embodiments of the present utility model, "plurality" means two or more than two.

In the description of the present utility model, unless explicitly defined otherwise, terms such as arrangement, installation, connection, etc. should be construed broadly and the specific meaning of the terms in the present utility model can be reasonably determined by a person skilled in the art in combination with the specific contents of the technical scheme.

In the present specification, each embodiment is described in a progressive manner, and each embodiment is mainly described in a different point from other embodiments, and identical and similar parts between the embodiments are all enough to refer to each other.

The principles and embodiments of the present utility model have been described herein with reference to specific examples, the description of which is intended only to facilitate an understanding of the method of the present utility model and its core ideas. It should be noted that it will be apparent to those skilled in the art that various modifications and adaptations of the utility model can be made without departing from the principles of the utility model and these modifications and adaptations are intended to be within the scope of the utility model as defined in the following claims.

Claims

1. The driving device is characterized by comprising a centrifugal fan, a high-pressure water pump and a driving motor, wherein a first motor shaft and a second motor shaft are respectively arranged at two ends of the driving motor, the first motor shaft is in transmission connection with a first input shaft of the centrifugal fan, and the second motor shaft is in transmission connection with a second input shaft of the high-pressure water pump.

2. The driving device according to claim 1, wherein the centrifugal fan comprises a volute, a shaft disc, a first bearing seat and an impeller, an air inlet, an air outlet and a through hole are formed in the volute, the first input shaft penetrates through the through hole, the outer end of the first input shaft is connected with the driving motor through the first bearing seat, the inner end of the first input shaft is connected with the shaft disc, and the impeller is connected with the shaft disc.

3. The drive of claim 2, wherein the first bearing housing is bolted to the drive motor;

and/or the shaft disc is connected with the impeller through rivets.

4. The drive of claim 1, wherein a clutch is provided on the second motor shaft, a first pulley is provided on the clutch, a second pulley is provided on the second input shaft of the high pressure water pump, and the first pulley and the second pulley are connected by a first drive belt.

5. The drive of claim 4, wherein the second motor shaft is connected to the first pulley by a flat key;

6. The drive of claim 4, further comprising an oil pump, wherein the second motor shaft is further configured to be in driving connection with a third input shaft of the oil pump, wherein a third pulley is disposed on the third input shaft, wherein a fourth pulley is disposed on the second motor shaft, and wherein the third pulley and the fourth pulley are connected via a second transmission belt.

7. The drive of claim 6, further comprising a tensioning mechanism for adjusting a distance between the oil pump and a second motor shaft of the drive motor.

8. The driving device according to claim 7, wherein the third input shaft is arranged in the second bearing seat, the tensioning mechanism is two, the tensioning mechanism comprises two lugs arranged on the second bearing seat and the vehicle body respectively, and a tensioning connecting rod, one end of the tensioning connecting rod is hinged with the lugs of the second bearing seat, and the other end of the tensioning connecting rod is in threaded connection with the lugs of the vehicle body and can be screwed by a fastening piece.

9. A motor sweeper comprising a centrifugal fan, a high pressure water pump and a drive device for simultaneously driving the centrifugal fan and the high pressure water pump according to any one of claims 1-8.

10. The motor sweeper of claim 9 further including a first mounting for mounting said high pressure water pump;