Motor driving structure for washing and sweeping vehicle

Abstract

The utility model provides a motor driving structure for a cleaning and sweeping vehicle, which comprises a motor, a fan, an oil pump and a high-pressure water pump, a fan driven belt wheel is connected onto a rotating shaft of the fan, an oil pump driven belt wheel is connected onto a rotating shaft of the oil pump, and a water pump driven belt wheel is connected onto a rotating shaft of the high-pressure water pump. A transmission shaft of the motor is connected with a fan driving belt wheel, an oil pump driving belt wheel and a water pump driving belt wheel, the fan driving belt wheel and the fan driven belt wheel are sleeved with a fan transmission belt, and the oil pump driving belt wheel and the oil pump driven belt wheel are sleeved with an oil pump transmission belt. The water pump driving belt wheel and the water pump driven belt wheel are sleeved with a water pump transmission belt. The utility model solves the problems that the driving structure of the fan, the oil pump and the high-pressure water pump on the existing pure electric cleaning and sweeping vehicle is high in cost, complex in control logic and easy to influence the stable operation of the chassis motor.

Description

Technical Field

[0001] The utility model relates to the technical field of automobile accessories, in particular to a motor driving structure for a washing and sweeping vehicle. Background Art

[0002] A road sweeper is a road cleaning vehicle in the road sweeper series. With the acceleration of urbanization, more and more road sweepers will be put into urbanization construction. At present, the pure electric road sweepers on the market are equipped with fans, oil pumps and high-pressure water pumps, and use multiple motors to control them independently, or rely on the chassis motor plus transfer case drive to arrange the drive. However, the former has a high layout cost and complex control logic, and the latter will affect the smooth operation of the chassis motor due to excessive load. Therefore, it is necessary to invent a new motor drive structure for road sweepers. Utility Model Content

[0003] The utility model aims to provide a motor drive structure for a washing and sweeping vehicle to solve the problems that the drive structure of the fan, oil pump and high-pressure water pump on the existing pure electric washing and sweeping vehicle is high in cost, complex in control logic, and easily affects the smooth operation of the chassis motor.

[0004] The technical solution adopted by the utility model to solve its technical problems is:

[0005] A motor drive structure for a washing and sweeping vehicle comprises a motor, a fan, an oil pump and a high-pressure water pump, wherein a fan driven pulley is connected to the rotating shaft of the fan, an oil pump driven pulley is connected to the rotating shaft of the oil pump, a water pump driven pulley is connected to the rotating shaft of the high-pressure water pump, a fan driving pulley, an oil pump driving pulley and a water pump driving pulley are connected to the transmission shaft of the motor, a fan driving pulley and a fan driven pulley are sleeved with a fan transmission belt, an oil pump driving pulley and an oil pump driven pulley are sleeved with an oil pump transmission belt, and a water pump driving pulley and a water pump driven pulley are sleeved with a water pump transmission belt.

[0006] Furthermore, one end of the transmission shaft of the motor is fixedly connected to a main rotating shaft, and the fan driving pulley, the oil pump driving pulley, and the water pump driving pulley are all sleeved and fixed on the main rotating shaft.

[0007] Furthermore, a connecting flange is sleeved on one end of the main shaft facing the transmission shaft, and the connecting flange is connected to the transmission shaft by screwing.

[0008] Furthermore, a first mounting bracket with a rectangular structure is arranged at the upper end of the auxiliary frame, and the first mounting bracket is connected to the motor, the main shaft and the oil pump.

[0009] Furthermore, a bearing seat is arranged on the first mounting bracket, and the main shaft passes through the bearing seat and is connected to the bearing in the bearing seat.

[0010] Furthermore, an L-shaped mounting plate is fixedly connected to the first mounting bracket, and an upper end surface of the mounting plate is connected to the bearing seat and the oil pump.

[0011] Furthermore, a second mounting bracket is fixedly connected to one side of the sub-frame, and the second mounting bracket is connected to the high-pressure water pump.

[0012] Furthermore, a connecting column is fixedly connected to the lower end of one side of the second mounting bracket, the lower end of the connecting column is hinged to one end of the support frame by bolts and nuts, the other end of the support frame is hinged to one end of the connecting rod by bolts and nuts, and the other end of the connecting rod is hinged to one side of the mounting bracket by bolts and nuts; the upper end of the support frame is connected to the high-pressure water pump.

[0013] Furthermore, an adjustment seat for adjusting the installation of the oil pump is fixedly connected to the mounting plate, a first hinge plate and a second hinge plate are fixedly provided on the upper end surface of the adjustment seat, a third hinge plate and a fourth hinge plate are fixedly provided along the circumferential direction on the side wall of the oil pump, the first hinge plate and the third hinge plate are hingedly connected by bolts and nuts, an upper hinge block is hingedly connected to the fourth hinge plate by bolts and nuts, an adjusting bolt is passed through the upper hinge block, a lower end of the adjusting bolt is fixedly connected to a lower hinge block, and the lower hinge block is hinged to the second hinge plate by bolts and nuts.

[0014] Beneficial effects of the utility model: The utility model transmits power to three sets of pulleys through a single external high-voltage motor, and provides power to the fan, oil pump, and high-pressure water pump through the belts. There is no need to control them separately through the motors, and there is no need to arrange the drive by the chassis motor plus the transfer case. The motor control logic is simple, the cost is low, and it will not affect the normal driving function of the chassis.

[0015] The present invention will be described in more detail below with reference to the accompanying drawings and embodiments. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is an assembly diagram of a motor drive structure for a washing and sweeping vehicle of the utility model.

[0017] Figure 2 This is an assembly diagram of the motor drive structure for a washing and sweeping vehicle according to the utility model from another direction.

[0018] Figure 3 The utility model is a top view of a motor drive structure for a washing and sweeping vehicle.

[0019] Figure 4 The utility model is a structural diagram of the connection assembly of the blower driving pulley, the oil pump driving pulley and the water pump driving pulley.

[0020] Figure 5 It is a front view of the connection assembly of the blower driving pulley, the oil pump driving pulley and the water pump driving pulley in the utility model.

[0021] Figure 6 It is an exploded view of the first mounting bracket and the mounting plate in the utility model.

[0022] Figure 7 This is a structural diagram of the second mounting bracket in the present utility model.

[0023] Figure 8 This is the installation structure diagram of the oil pump in the utility model. DETAILED DESCRIPTION

[0024] like Figures 1 to 5 The motor drive structure for a washing and sweeping vehicle shown in the figure includes a motor 1, a fan 2, an oil pump 3, and a high-pressure water pump 4. The fan 2 is connected to a fan driven pulley 21 on its rotating shaft, the oil pump 3 is connected to an oil pump driven pulley 31 on its rotating shaft, and the high-pressure water pump 4 is connected to a water pump driven pulley 41 on its rotating shaft. The drive shaft 11 of the motor 1 is connected to a fan driving pulley 12, an oil pump driving pulley 13, and a water pump driving pulley 14. The fan driving pulley 12 and the fan driven pulley 21 are sleeved with a fan drive belt, the oil pump driving pulley 13 and the oil pump driven pulley 31 are sleeved with an oil pump drive belt, and the water pump driving pulley 14 and the water pump driven pulley 41 are sleeved with a water pump drive belt. The motor 1 can use the MSP38-080S382X2000H290 high-voltage motor provided by Changsha Shuobo Motor Co., Ltd.

[0025] Preferably, in combination with the above scheme, in order to facilitate the connection of the fan driving pulley 12, the oil pump driving pulley 13, and the water pump driving pulley 14, one end of the transmission shaft 11 of the motor 1 is fixedly connected to the main rotating shaft 15, and the fan driving pulley 12, the oil pump driving pulley 13, and the water pump driving pulley 14 are all sleeved and fixed on the main rotating shaft 15.

[0026] Preferably, in combination with the above solution, in order to facilitate the connection between the main shaft 15 and the transmission shaft 11, a connecting flange 16 is sleeved on one end of the main shaft 15 facing the transmission shaft 11, and the connecting flange 16 is connected to the transmission shaft 11 by screwing.

[0027] Preferably, in combination with the above solution, in order to facilitate assembly, Figure 6 As shown, a first mounting bracket 6 with a rectangular structure is provided at the upper end of the sub-frame 5 , and the first mounting bracket 6 is connected to the motor 1 , the main shaft 15 , and the oil pump 3 .

[0028] Preferably, in combination with the above solution, in order to facilitate the support and assembly of the main shaft 15 , a bearing seat 10 is provided on the first mounting bracket 6 , and the main shaft 15 passes through the bearing seat 10 and is connected to the bearing in the bearing seat 10 .

[0029] Preferably, in combination with the above solution, in order to facilitate the assembly of the bearing seat 10 and the oil pump 3, as Figure 6 As shown, an L-shaped mounting plate 61 is fixedly connected to the first mounting bracket 6 , and the upper end surface of the mounting plate 61 is connected to the bearing seat 10 and the oil pump 3 .

[0030] Preferably, in combination with the above solution, in order to facilitate the assembly of the high-pressure water pump 4 , a second mounting bracket 7 is fixedly connected to one side of the sub-frame 5 , and the second mounting bracket 7 is connected to the high-pressure water pump 4 .

[0031] Preferably, in combination with the above solution, in order to facilitate the adjustment of the installation position of the high-pressure water pump 4 and the adjustment of the center distance between the water pump driving pulley 14 and the water pump driven pulley 41, as shown in FIG. Figure 7 As shown, a connecting column 71 is fixedly connected to the lower end of one side of the second mounting bracket 7, and the lower end of the connecting column 71 is hinged to one end of a support frame 73 by bolts and nuts, and the other end of the support frame 73 is hinged to one end of a connecting rod 74 by bolts and nuts, and the other end of the connecting rod 74 is hinged to one side of the mounting bracket 7 by bolts and nuts; the upper end of the support frame 73 is connected to the high-pressure water pump 4.

[0032] Preferably, in combination with the above solution, in order to facilitate the adjustment of the installation position of the oil pump 3 and the adjustment of the center distance between the oil pump driven pulley 31 and the oil pump driving pulley 13, as shown in FIG. Figure 8 As shown, the mounting plate 61 is fixedly connected with an adjustment seat 32 for adjusting the installation of the oil pump 3, the upper end surface of the adjustment seat 32 is fixedly provided with a first hinge plate 33 and a second hinge plate 34, the outer shell side wall of the oil pump 3 is fixedly provided with a third hinge plate 35 and a fourth hinge plate 36 along the circumferential direction, the first hinge plate 33 and the third hinge plate 35 are hinged by bolts and nuts, the fourth hinge plate 36 is hinged with an upper hinge block 37 by bolts and nuts, the upper hinge block 37 is penetrated by an adjusting bolt 38, the lower end of the adjusting bolt 38 is fixedly connected with a lower hinge block 39, and the lower hinge block 39 is hinged with the second hinge plate 34 by bolts and nuts.

[0033] When using the utility model, the installation positions of the motor 1, the main bearing seat 10, the fan 2, the fan belt tensioner, the oil pump 3, and the high-pressure water pump 4 and the selected belt length can be arranged according to the vehicle body space; the power supply of the motor 1 comes from the high-voltage battery of the chassis. Since the motor 1 is connected to an independent cooling system and control system, the upper installation failure will not affect the normal driving function of the chassis. The operating speed of the motor 1 in the energy-saving, standard, and strong operating modes is selected according to the power characteristics of the motor 1, and the control logic is simple and the cost is low; the speed requirements of the fan, high-pressure water pump, and oil pump as well as the transmission ratio with the high-voltage motor are calculated according to the fan wind pressure, washing and sweeping water pressure, and washing and sweeping requirements under the three operating modes, and then the types of the pulley and the belt are determined according to the transmission ratio and the transmitted power.

[0034] It should be noted that all directional indications in the present invention (such as up, down, left, right, front, back...) are only used to explain the relative position relationship, movement status, etc. between the components in a certain specific posture (as shown in the accompanying drawings). If the specific posture changes, the directional indication will also change accordingly.

[0035] The utility model is described above by way of example in conjunction with the accompanying drawings. It is obvious that the specific implementation of the utility model is not limited to the above-mentioned method. As long as various improvements are made using the method concept and technical solution of the utility model, or they are directly applied to other occasions without improvement, they all fall within the protection scope of the utility model.

Claims

1. A motor drive structure for a washing and sweeping vehicle, comprising a motor (1), a fan (2), an oil pump (3), and a high-pressure water pump (4), wherein the fan (2) is connected to a fan driven pulley (21), the oil pump (3) is connected to an oil pump driven pulley (31), and the high-pressure water pump (4) is connected to a water pump driven pulley (41), wherein: The transmission shaft (11) of the motor (1) is connected to a fan driving pulley (12), an oil pump driving pulley (13), and a water pump driving pulley (14); the fan driving pulley (12) and the fan driven pulley (21) are sleeved with a fan transmission belt; the oil pump driving pulley (13) and the oil pump driven pulley (31) are sleeved with an oil pump transmission belt; and the water pump driving pulley (14) and the water pump driven pulley (41) are sleeved with a water pump transmission belt.

2. The motor drive structure for a washing and sweeping vehicle according to claim 1 is characterized in that: One end of the transmission shaft (11) of the motor (1) is fixedly connected to a main rotating shaft (15), and the fan driving pulley (12), the oil pump driving pulley (13), and the water pump driving pulley (14) are all sleeved and fixed on the main rotating shaft (15).

3. The motor drive structure for a washing and sweeping vehicle according to claim 2 is characterized in that: A connecting flange (16) is sleeved on one end of the main rotating shaft (15) facing the transmission shaft (11), and the connecting flange (16) is connected to the transmission shaft (11) by screw connection.

4. The motor drive structure for a washing and sweeping vehicle according to claim 1 is characterized in that: A first mounting bracket (6) with a rectangular structure is arranged at the upper end of the auxiliary frame (5), and the first mounting bracket (6) is connected to the motor (1), the main rotating shaft (15), and the oil pump (3).

5. The motor drive structure for a washing and sweeping vehicle according to claim 4 is characterized in that: A bearing seat (10) is arranged on the first mounting bracket (6), and the main rotating shaft (15) passes through the bearing seat (10) and is connected to the bearing in the bearing seat (10).

6. The motor drive structure for a washing and sweeping vehicle according to claim 5 is characterized in that: An L-shaped mounting plate (61) is fixedly connected to the first mounting bracket (6), and the upper end surface of the mounting plate (61) is connected to the bearing seat (10) and the oil pump (3).

7. The motor drive structure for a washing and sweeping vehicle according to claim 4 is characterized in that: A second mounting bracket (7) is fixedly connected to one side of the auxiliary frame (5), and the second mounting bracket (7) is connected to the high-pressure water pump (4).

8. The motor drive structure for a washing and sweeping vehicle according to claim 7 is characterized in that: A connecting column (71) is fixedly connected to the lower end of one side of the second mounting bracket (7), the lower end of the connecting column (71) is hinged to one end of a support frame (73) by means of bolts and nuts, the other end of the support frame (73) is hinged to one end of a connecting rod (74) by means of bolts and nuts, the other end of the connecting rod (74) is hinged to one side of the mounting bracket (7) by means of bolts and nuts; the upper end of the support frame (73) is connected to a high-pressure water pump (4).

9. The motor drive structure for a washing and sweeping vehicle according to claim 6 is characterized in that: The mounting plate (61) is fixedly connected with an adjustment seat (32) for adjusting the installation of the oil pump (3); the upper end surface of the adjustment seat (32) is fixedly provided with a first hinge plate (33) and a second hinge plate (34); the side wall of the oil pump (3) is fixedly provided with a third hinge plate (35) and a fourth hinge plate (36) along the circumferential direction; the first hinge plate (33) and the third hinge plate (35) are hingedly connected by bolts and nuts; the fourth hinge plate (36) is hingedly provided with an upper hinge block (37) by bolts and nuts; an adjustment bolt (38) is passed through the upper hinge block (37); the lower end of the adjustment bolt (38) is fixedly connected with a lower hinge block (39); the lower hinge block (39) and the second hinge plate (34) are hingedly connected by bolts and nuts.

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