CN209798633U - sweeping machine with foldable air duct - Google Patents

Abstract

A sweeping vehicle with a foldable air duct mainly comprises a running device, a second frame, a power device, a fan, a box body, a collecting device and a conveying pipeline; the connection mode is as follows: the second frame is installed on the device that traveles, and power device installs on device and the second frame of traveling, second frame installation fan, box and collection device, and the fan is connected with the box, and the box is linked together through pipeline with the collection, the sweeping machine drives the device of being connected with it by the device that traveles and removes the operation, and according to weather and road conditions of difference during the operation, the collapsible air duct device of setting in the box is switched by actuating mechanism, makes the negative pressure air current that the fan produced provide the negative pressure along different directions and drives rubbish, and road surface rubbish is collected by collection device, gets into the box through pipeline. The utility model relates to a dust-collecting vehicle which is mainly used for cleaning the ground of roads, docks, factories, workshops and the like, belonging to the field of sanitation vehicles.

Description

A road sweeper with a foldable air duct

technical field

The utility model relates to the field of special vehicles, in particular to an all-weather road sweeper with dry-wet switching, which belongs to the category of cleaning equipment in the environmental field.

Background technique

At present, most municipal sanitation, factories and mines, airport terminals, etc. are equipped with different types of sanitation vehicles such as road sweepers, vacuum cleaners, and sweepers. In order to meet the national emission standards, they all use polyester-coated filter elements The most important feature of this kind of filter element is that it is afraid of water. It is easy to cause certain damage to the filter cartridge when it encounters water and humidity, and the dust is easy to block the filter cartridge after encountering water, which will reduce the dust collection effect. In order to improve work efficiency, in order to Wet and wet roads and rainy days can continue to work, and most of them are equipped with dry-wet switching devices. However, for the current road sweeping vehicles equipped with dry-wet switching devices, the flow direction of the airflow has been changed after the installation. Not only the device body It blocks the airflow to a large extent, reduces the flow area of the original air duct, increases the pressure loss of the road sweeper system, greatly reduces the dust collection effect, and substantially increases energy consumption.

Utility model content

The utility model overcomes and solves the deficiencies of the prior art, and provides a road sweeper with a foldable air duct, which not only solves the problem that the filter element of the dust collection vehicle is easily damaged in rainy days and on roads with water, but also makes the dust suction The increase of vehicle resistance to the system is reduced to zero, maintaining the original dust collection effect, reducing the power consumption of the system, and being more energy-saving and environmentally friendly.

The utility model is realized through the following technical solutions. The utility model mainly includes a driving device, a second vehicle frame, a power device, a fan, a box body, a collecting device, and a conveying pipeline; On the second frame, a fan, a box and a collection device are installed on the second frame, the fan is connected to the box, and the box and the collection are connected through a conveying pipeline;

A power device is installed on the traveling device, and the power device provides power for the traveling device;

The box body includes: a pulse cleaning device, a confluence cabin, a collapsible air duct device, an actuator, a filter device, and a settling chamber. The actuator is used to drive the action of the collapsible air duct device. The confluence cabin is connected, the pulse cleaning device, the foldable air duct device and the actuator are installed in the confluence cabin, the confluence cabin and the filter device are connected, the filter device and the settling chamber are connected up and down, and the settling chamber and the collection device are connected through the conveying pipeline connect;

The foldable air duct device includes a frame, a rotating shaft sleeve, rotating shaft one, rotating shaft two, rotating shaft three, a power transmission mechanism, a left flap door, a right flap door, a switching door, and a sealing device. There are openings, and the cross-sectional area of the opening is not less than the air inlet cross-sectional area of the fan. Two rotating shaft sleeves are fixedly connected to the three sides of the opening at the bottom of the frame. One end is connected through the power transmission mechanism, and the other end of the second shaft is connected with the third shaft through the power transmission mechanism. The first shaft is fixedly connected to the left flap door, the second shaft is fixedly connected to the switching door, and the third shaft is fixedly connected to the right flap door. The sealing device is fixedly connected between the door and the frame, the actuator is hinged on the switching door, the actuator is hinged on the pulse cleaning device, the front end of the frame is connected to the fan, and the lower end of the frame is connected to the settling chamber;

The foldable air duct device is divided into two working states. In the first working state, the actuator makes the switching door rotate downward, and the switching door drives the second rotating shaft to rotate in the rotating shaft sleeve. The second rotating shaft passes through the power transmission mechanism connected at both ends. Drive shaft 1 and shaft 3 to rotate at the same time, shaft 1 drives the left flap door to open outwards, shaft 3 drives the right flap door to open outwards, when the switching door and the opening at the bottom of the frame are completely sealed by the sealing device, the left flap door and the right flap door It is completely folded at the bottom of the confluence chamber, and a seal is formed between the settling chamber and the confluence chamber at this time; in the second working state, the actuator makes the switching door rotate upwards, and the switching door drives the second rotating shaft to rotate in the rotating shaft sleeve, and the second rotating shaft passes through both ends The connected power transmission mechanism drives rotating shaft 1 and rotating shaft 3 to rotate at the same time, rotating shaft 1 drives the left flap to close upward, and rotating shaft 3 drives the right flap to close upward, so that the switching door forms a sealed cavity with the left flap and the right flap. When the settling chamber communicates with the foldable air duct device, the confluence cabin and the fan are isolated by the foldable air duct device.

The driving device is an automobile chassis, and its control mode is human and computer;

The power source of the power unit is electricity, diesel, gasoline, kerosene, ethanol or other energy sources;

The actuator is powered by electricity, liquid or gas;

The power transmission mechanism is a bevel gear transmission and a connecting rod mechanism;

When the road sweeper is working, the driving device is powered by the power device, and it is operated by personnel or unmanned operation to drive the second frame, fan, box, collection device, and conveying pipeline for mobile operations. The fan is driven by The power unit provides power to generate negative-pressure airflow. When working on dry roads, the foldable air duct device is in the first working state. The negative-pressure airflow generated by the fan makes the garbage and dust on the road surface collected by the collection device along with the airflow, and enters through the conveying pipe. Settling chamber, under the action of settling in the settling chamber, large pieces of garbage are left in the settling chamber with gravity, the confluence chamber and the settling chamber are completely sealed and isolated by the foldable air duct device, the remaining turbid air can only pass through the filter device, and the turbid air passes through The filter device is used for filtering, and the filtered clean airflow flows into the confluence cabin, enters the fan through the opening at the front end of the frame, and the clean airflow is discharged by the fan. The flow at the front opening is smoother, and its pressure loss can be minimized. Since the left flap, right flap and switching door of the foldable air duct device are completely folded at the bottom of the confluence compartment, its body cannot block the airflow, but the system The resistance increases to zero, and the pulse cleaning device will also perform pulse cleaning on the filter device during operation to maintain the system resistance within the minimum range; when working on a watery road, the foldable air duct device switches to the second work state, the negative pressure airflow generated by the fan makes the garbage and water on the road surface collected by the collection device along with the airflow, and enters the settling chamber through the conveying pipe. The confluence cabin is completely isolated from the fan by the body of the foldable air duct device. The water mist flow can only flow into the fan through the cavity formed by the foldable air duct device and be discharged by the fan. The cross-sectional area of the front and bottom openings of the frame is not less than The cross-sectional area of the air inlet of the fan makes the airflow flow more smoothly, and its pressure loss can be reduced to the minimum.

Description of drawings:

Fig. 1 is a structural schematic diagram of a first working state of a road sweeper with a foldable air duct.

Fig. 2 is a schematic structural diagram of a second working state of a road sweeper with a foldable air duct.

Fig. 3 is a schematic perspective view of the first operating state of the foldable air duct device.

Fig. 4 is a schematic diagram of the three-dimensional structure of the foldable air duct device in a second working state.

Fig. 5 is a schematic top view of the structure of the foldable air duct device in a second working state.

Fig. 6 is a schematic cut-away top view of the structure of the foldable air duct device in a second working state.

Fig. 7 is a schematic diagram of the three-dimensional structure of the frame of the foldable air duct device.

Detailed ways

As shown in the figure, a road sweeper with a foldable air duct includes a driving device 1, a second frame 2, a power device, a fan 3, a box body 4, a collecting device 5, and a conveying pipeline 6. The driving device 1 adopts The chassis of the car with the power unit as the engine is controlled by the driver to drive, the second vehicle frame 2 is fixedly installed on the driving device 1, the fan 3 is fixedly installed on the second vehicle frame 2, the engine is used as the power unit, and is passed through The belt drives the fan 3 to work, the fan 3 is connected to the box body 4, and the box body 4 is hingedly connected to the second vehicle frame 2, and the confluence cabin 41 and the settling chamber 45 are separated by a partition inside the box body 4, and at the front end of the box body 4 The opening makes the confluence cabin 41 communicate with the blower fan 3, and the opening at the rear and lower part of the confluence cabin 41 makes the confluence cabin 41 communicate with the settling chamber 45 on both sides. Folding air duct device 43;

Foldable air duct device 43 is made up of frame 431, rotating shaft sleeve 432, rotating shaft one 433, rotating shaft two 434, rotating shaft three 435, power transmission mechanism, left flap door 436, right flap door 437, switching door 438, sealing device 439, frame 431 is a right-angle "L" shape, which is composed of a vertical frame and a horizontal frame. The front vertical frame and the bottom horizontal frame of the frame 431 are provided with openings with a cross-sectional area not smaller than the air inlet cross-sectional area of the fan 3. The frame 431 is fixedly connected to the confluence cabin 41 front end and lower end opening, two shaft sleeves 432 are respectively fixedly connected on the three circumferences of the bottom opening of the frame 431, the first shaft 433, the second shaft 434, the third shaft 435 are coaxially connected with the shaft sleeve 432, the second shaft 434 is connected with the first shaft 433 and The rotating shaft three 435 is arranged at 90°, and the two ends of the rotating shaft two 434 are respectively connected with one end of the rotating shaft one 433 and the third rotating shaft 435 through the power transmission device. It is connected with rotating shaft one 433 through a pair of bevel gears, and the other end of rotating shaft two 434 is connected with rotating shaft three 435 through another pair of bevel gears. The switching door 438 is fixedly connected, the rotating shaft 3 435 is fixedly connected with the right flap door 437 of an isosceles right triangle, the sealing device 439 is fixedly connected between the switching door 438 and the frame 431, and the switching door 438 is hinged to the actuator, which is hinged on the pulse clearing On the ash device 42, the actuator adopts a linear motor, the filter device 44 communicates with the opening of the rear end of the confluence cabin 41, the settling chamber 45 communicates with the collection device 5 through the delivery pipeline 6, and the collection device 5 is fixedly installed on the second vehicle frame 2 .

When the road sweeper is working, the driver drives the chassis of the car to drive the second frame 2, the fan 3, the box 4, the collection device 5, and the conveying pipeline 6 to carry out mobile operations. When working on dry roads, it can be folded The air duct device 43 is in the first working state, the linear motor makes the switching door 438 rotate downwards, the switching door 438 drives the rotating shaft two 434 to rotate in the rotating shaft sleeve 432, and the rotating shaft two 434 drives the rotating shaft one 433 and the Rotating shaft three 435 rotate simultaneously, and rotating shaft one 433 drives the left flap door 436 to open outwards, and rotating shaft three 435 drives the right flap door 437 to open outwards, and when switching door 438 and frame 431 bottom opening are completely sealed by sealing device 439, the left flap door 436 and the right flap 437 are completely folded at the bottom of the confluence cabin 41. At this time, a seal is formed between the settling chamber 45 and the confluence cabin 41. The engine drives the negative pressure airflow generated by the fan 3 through the belt so that the rubbish and dust on the road surface are collected with the airflow. 5 is collected, and enters the settling chamber 45 through the conveying pipeline 6. Under the settling action of the settling chamber 45, large pieces of garbage are left in the settling chamber 45 with gravity, and the confluence cabin 41 and the settling chamber 45 are completely separated by the foldable air duct device 43. Sealed and isolated, the remaining turbid airflow can only pass through the filter device 44, and the turbid airflow is filtered by the filter device 44, and the filtered clean airflow flows into the confluence cabin 41, and enters the fan 3 through the opening of the vertical frame at the front end of the frame 431. 3. Discharge the clean air flow. Since the opening cross-sectional area of the vertical frame at the front end of the frame 431 is not smaller than the air intake cross-sectional area of the fan 3, the air flow flows more smoothly at the opening of the vertical frame at the front end of the frame 431, and the pressure loss can be minimized. The left flap door 436, the right flap door 437 and the switching door 438 of the foldable air duct device 43 are completely folded at the bottom of the confluence cabin 41, and its body cannot block the air flow, but the system resistance increases to zero, and the pulse cleaning device is in operation 42 will also perform pulse cleaning on the filter device to maintain the resistance of the system within a minimum range;

When working on a watery road surface, the foldable air duct device 43 is switched to the second working state, the linear motor makes the switching door 438 rotate upwards, the switching door 438 drives the rotating shaft 2 434 to rotate in the rotating shaft sleeve 432, and the rotating shaft 2 434 passes through both ends The connected bevel gear drives rotating shaft one 433 and rotating shaft three 435 to rotate simultaneously, rotating shaft one 433 drives the left flap door 436 to close upwards, and rotating shaft three 434 drives the right flap door 437 to close upwards, so that the switching door 438 is connected with the left flap door 436 and the right flap door 437 forms a sealed cavity. At this time, the settling chamber 45 communicates with the foldable air duct device 43, the confluence cabin 41 and the fan 3 are isolated by the foldable air duct device 43, and the engine drives the negative pressure airflow generated by the fan 3 through the belt. The garbage and water on the road surface are collected by the collection device 5 along with the air flow, and enter the settling chamber 45 through the delivery pipe 6. Under the settling action of the settling chamber 45, large pieces of garbage and water droplets are left in the settling chamber 45 with gravity, and the confluence cabin 41 The body of the foldable air duct device 43 completely isolates the fan 3 from the confluence cabin 41, and the water mist flow can only flow into the fan 3 through the cavity formed by the foldable air duct device 43, and be discharged by the fan 3. The front end of the frame 431 is vertically framed. The cross-sectional area of the opening and the bottom horizontal frame are not less than the air intake cross-sectional area of the blower fan 3, so that the air flow can flow more smoothly, and its pressure loss can be reduced to the minimum.

Claims (6)

1. The utility model provides a sweeping machine with collapsible wind channel which characterized in that: comprises a running device (1), a second frame (2), a power device, a fan (3), a box body (4), a collecting device (5) and a conveying pipeline (6); the connection mode is as follows: the second frame (2) is mounted on the running device (1), the power device is mounted on the running device (1) and the second frame (2), the fan (3), the box body (4) and the collecting device (5) are mounted on the second frame (2), the fan (3) is connected with the box body (4), and the box body (4) is communicated with the collecting device (5) through the conveying pipeline (6);

the power device is arranged on the running device (1) and provides power for the running device (1) and the fan (3);

The box (4) comprises: the device comprises a pulse ash removal device (42), a confluence cabin (41), a foldable air channel device (43), an actuating mechanism, a filtering device (44) and a settling chamber (45), wherein the actuating mechanism is used for driving the foldable air channel device (43) to act, and the connecting mode is as follows: the fan (3) is communicated with the confluence cabin (41), the pulse ash removal device (42), the foldable air channel device (43) and the actuating mechanism are arranged in the confluence cabin (41), the confluence cabin (41) is communicated with the filtering device (44), the filtering device (44) is communicated with the settling chamber (45), and the settling chamber (45) is communicated with the collecting device (5) through the conveying pipeline (6);

the foldable air duct device (43) comprises a frame, a rotating shaft sleeve, a rotating shaft I, a rotating shaft II, a rotating shaft III, a power transmission mechanism, a left-side turning door, a right-side turning door and a switching door, and a sealing device is connected in a mode that the rotating shaft sleeve is fixedly connected to the frame, the rotating shaft I, the rotating shaft II and the rotating shaft III are connected with the rotating shaft sleeve, one ends of the rotating shaft I and the rotating shaft II are connected through the power transmission mechanism, the other ends of the rotating shaft II and the rotating shaft III are connected with the power transmission mechanism through the power transmission mechanism, the rotating shaft I is fixedly connected with the left-side turning door, the rotating shaft II is fixedly connected with the switching door, the rotating shaft III is fixedly connected with the right-side turning door, the sealing device is fixedly connected between the switching door and the frame, an execution mechanism.

2. the sweeping vehicle with the foldable air duct of claim 1, wherein: the running device (1) is an automobile chassis, and the control mode is human and computer.

3. The sweeping vehicle with the foldable air duct of claim 1, wherein: the power source of the power device is electric power, diesel oil, gasoline, kerosene, ethanol or natural gas.

4. The sweeping vehicle with the foldable air duct of claim 1, wherein: the actuating mechanism is powered by electricity, liquid and gas.

5. The sweeping vehicle with the foldable air duct of claim 1, wherein: the power transmission mechanism is a bevel gear transmission and link mechanism.

6. The sweeping vehicle with the foldable air duct of claim 1, wherein: the foldable air duct device (43) consists of a frame (431), a rotating shaft sleeve (432), a rotating shaft I (433), a rotating shaft II (434), a rotating shaft III (435), a power transmission mechanism, a left-turning door (436), a right-turning door (437), a switching door (438) and a sealing device (439), wherein the frame (431) is of a right-angle L shape and consists of a vertical frame and a horizontal frame, the vertical frame at the front end of the frame (431) and the horizontal frame at the bottom are provided with openings with sectional areas not smaller than the air inlet sectional area of the fan (3), the frame (431) is fixedly connected to the openings at the front end and the lower end of the confluence cabin (41), the three circles of the openings of the horizontal frame at the bottom of the frame (431) are respectively and fixedly connected with two rotating shaft sleeves (432), the rotating shaft I (433), the rotating shaft II (434), the rotating shaft III (435) and the rotating shaft I (433) are coaxially connected, and the rotating shaft III (435) are arranged, two ends of a second rotating shaft (434) are respectively connected with one end of a first rotating shaft (433) and one end of a third rotating shaft (435) in a matching way through a power transmission device, two pairs of bevel gears with the transmission ratio of 2 are selected as the power transmission mechanism, one end of the second rotating shaft (434) is connected with the first rotating shaft (433) in a matching way through a pair of bevel gears, the other end of the second rotating shaft (434) is connected with the third rotating shaft (435) in a matching way through another pair of bevel gears, a left-turning door (436) of an isosceles right triangle is fixedly connected on the first rotating shaft (433), a switching door (438) is fixedly connected on the second rotating shaft (434), a right-turning door (437) of the isosceles right triangle is fixedly connected on the third rotating shaft (435), a sealing device (439) is fixedly connected between the switching door (438) and a frame (431), an executing mechanism is hinged on the switching door (438), the executing mechanism is hinged on a pulse ash removing device (42, the settling chamber (45) is communicated and connected with the collecting device (5) through a conveying pipeline (6), and the collecting device (5) is fixedly arranged on the second frame (2).