Cleaning roller brush mechanism used on guardrail cleaning vehicle

Abstract

The utility model belongs to the technical field of guardrail cleaning equipment, and provides a cleaning roller brush mechanism used on a guardrail cleaning vehicle, the guardrail cleaning vehicle comprises a cleaning vehicle body, a mechanical arm is arranged at the front end of the cleaning vehicle body, a transmission case is connected to the mechanical arm, two gear grooves are formed in the inner side face of the transmission case, and gear shafts are arranged in the gear grooves; a spline is formed on the outer side face of the gear shaft, gears are further arranged in the gear groove, the two gears in the gear groove are meshed with each other, a sleeve arranged on the gear shaft in a sleeved mode is arranged on the gears, a spline groove matched with the spline is formed in the sleeve, and the gear box is further provided with a cover plate covering the gear groove. The inner side face of the cover plate and the bottom face of the gear groove are each provided with an abutting rod distributed in a circle, the two side faces of the gear are each provided with an annular groove, one end of each abutting rod abuts against the corresponding annular groove, the cover plate is provided with a through hole, and one end of the gear shaft penetrates through the through hole and is connected with the roller brush. The problem that an existing electrically-driven cleaning roller brush mechanism is large in potential safety hazard is solved.

Description

Technical Field

[0001] The utility model belongs to the technical field of guardrail cleaning equipment, in particular to a cleaning filling roller brush mechanism used on a guardrail cleaning vehicle. Background Art

[0002] There are middle isolation guardrails on the highways and roads in urban areas and towns, and isolation guardrails on both sides of the road, which are devices used to maintain traffic order and safety of vehicles and pedestrians. Due to dust pollution and the influence of weather, a large amount of dust and stains will be left on the guardrails over time, which will accelerate the rust of the guardrails and affect the cleanliness of the roads, which will in turn affect the image of the city in people's minds. Therefore, it is necessary to regularly maintain and clean the guardrails. At present, the guardrail cleaning modes are mainly divided into manual cleaning mode and mechanized cleaning mode. The mechanized cleaning mode has the advantages of high cleaning efficiency, good cleaning effect and high operation safety. It is increasingly replacing the manual cleaning mode. The mechanized cleaning mode mainly uses a guardrail cleaning vehicle to clean the guardrail. The guardrail cleaning vehicle is a special cleaning equipment designed for cleaning the isolation guardrails of urban roads.

[0003] The cleaning mechanism of the guardrail of the traditional guardrail cleaning fleet is driven by an electric motor. Since the motor is installed on the side of the water tank, it is very easy to be damaged by moisture. Secondly, this motor drive also increases the operating steps of the driver, which increases the safety hazard of driving. The last point is particularly important. When the cleaning vehicle needs to stop due to red lights or emergency brakes, the motor can only be turned off in advance. If the motor is not turned off in time, it will only cause the motor to be overloaded and damaged. Utility Model Content

[0004] In view of the above problems, the utility model provides a cleaning roller brush mechanism used in a guardrail cleaning vehicle, aiming to solve the problem of great safety hazards of the existing motor-driven cleaning roller brush.

[0005] The utility model adopts the following technical solutions:

[0006] The guardrail cleaning vehicle includes a cleaning vehicle body, a mechanical arm is arranged at the front end of the cleaning vehicle body, and the cleaning roller brush mechanism includes a transmission box connected to the mechanical arm, two gear grooves are opened on the inner side surface of the transmission box, a gear shaft is arranged in the gear groove, a spline is formed on the outer side surface of the gear shaft, a gear is also arranged in the gear groove, the two gears in the gear groove are meshed with each other, the gear has a sleeve sleeved on the gear shaft, a spline groove matching the spline is opened on the sleeve, the gear box is also provided with a cover plate covering the gear groove, the inner side surface of the cover plate and the bottom surface of the gear groove are both provided with abutment rods arranged in a circular shape, annular grooves are opened on both side surfaces of the gear, one end of the abutment rod abuts against the annular groove, a through hole is provided on the cover plate, one end of the gear shaft passes through the through hole and is connected to the roller brush.

[0007] Furthermore, a mudguard is fixed on the transmission box, and the mudguard includes a main board, slots are formed on both sides of the main board, extension plates are inserted in the slots, a side surface of the main board is provided with a plurality of movable holes parallel to its width direction, a plurality of movable rods are fixed on the extension plate, one end of the movable rod passes through the movable hole and is fixedly connected to a slider abutting against the main board, strips are fixedly connected on the upper and lower sides of the sliding hole, the strips have sliding grooves cooperating with the slider, an electric push rod is also fixedly connected to the main board, and the output shaft of the electric push rod is fixed to the slider.

[0008] Furthermore, the side rotating shaft of the extension plate is connected to an extension plate, a top plate is fixed to the top of the extension plate, the top of the top plate has an arc-shaped hole, the top of the extension plate is connected to an extension rod passing through the arc-shaped hole, the top of the extension rod is screwed with a knob, the bottom end of the knob can abut against the upper surface of the top plate, and a circular plate abutting against the lower surface of the top plate is also fixed to the extension rod.

[0009] Furthermore, the roller brush comprises a rotating shaft fixedly connected to the gear shaft, a shaft sleeve is fixed on the rotating shaft, and bristles are arranged on the shaft sleeve.

[0010] Furthermore, a plurality of brush plates parallel to the length direction of the shaft sleeve are formed on the outer periphery, a plurality of thread grooves are spaced apart along the length direction of the brush plate, a terminal is threaded in the thread groove, and the bristles form a plurality of bristle clusters fixed on the terminal.

[0011] Furthermore, the bristles include a bristle body, one end of the bristle body forms a plurality of forks, and the forks have bristle peaks.

[0012] The beneficial effects of the utility model are:

[0013] 1. The cleaning roller brush mechanism abandons the cleaning method of using a motor to drive the roller brush to rotate, but instead makes the roller brush directly contact the guardrail, uses rolling friction to drive the roller brush to rotate, and the two roller brushes achieve synchronous rotation through gear transmission, so that the roller brush rotates more evenly and has a good cleaning effect. Since there is no motor, the work will not be affected by moisture. Secondly, the driver does not need to have too many additional operating steps when driving the vehicle, thereby reducing the safety hazards during driving. In addition, since there is no motor drive, when the vehicle is forced to stop, there is no need to shut down the motor. When the roller brush does not roll relative to the guardrail, the roller brush stops working completely, and there will be no problem of motor damage due to idling.

[0014] 2. In the cleaning roller brush mechanism, a spline and spline groove matching structure is formed on the gear and the gear shaft, and the two rotate stably and synchronously. A cover plate is provided on the gear groove. The cover plate and the abutment rods arranged in an annular manner in the gear groove are inserted into the annular grooves on both sides of the gear. The abutment rods form an abutment against the gear, and the gear can maintain balance during operation, thereby achieving stable operation of the gear and avoiding abnormal noise.

[0015] 3. In the cleaning roller brush mechanism, extension plates are arranged on both sides of the mudguard main board. Under the action of the electric push rod on the main board, the extension plates can be inserted and pulled into the slots on the main board, thereby realizing the convenient extension of the main board and expanding its area; the side shaft of the extension plate is connected with the extension plate, and the extension rod at the top of the extension plate is pushed to move in the arc hole on the top plate, which can change the direction of the extension plate, so that the mudguard can be deformed according to the specifications of the roller brush, so that it can adapt to the contour of the roller brush and better play the role of mud blocking. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a three-dimensional structural schematic diagram of a guardrail cleaning vehicle.

[0017] Figure 2 It is a schematic diagram of the front end structure of the guardrail cleaning vehicle.

[0018] Figure 3 This is an exploded view of the transmission box.

[0019] Figure 4 It is a partial structure enlargement of the fender Figure 1 .

[0020] Figure 5 It is a partial structure enlargement of the fender Figure 2 .

[0021] Figure 6 It is a partial structure enlargement of the fender Figure 3 .

[0022] Figure 7 is a cross-sectional view of a roller brush.

[0023] Figure 8 It is a schematic diagram of the structure of bristles.

[0024] Fig. 9 It is a schematic diagram of the three-dimensional structure of the gear. DETAILED DESCRIPTION

[0025] In order to make the purpose, technical solution and advantages of the utility model more clear, the utility model is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the utility model and are not used to limit the utility model.

[0026] In order to illustrate the technical solution of the present invention, specific embodiments are provided below for illustration.

[0027] For the convenience of explanation, only the parts related to the embodiment of the present utility model are shown.

[0028] Combination Figure 1-3 and Fig. 9 As shown, the cleaning roller brush mechanism used in the guardrail cleaning vehicle, the guardrail cleaning vehicle includes a cleaning vehicle body 1, and a mechanical arm 2 is arranged at the front end of the cleaning vehicle body. The mechanical arm in the utility model is a prior art. For example, it can be the same or similar to the utility model patent structure of the Chinese patent (Announcement No.: CN220179325U) named "A Vehicle-mounted Mechanical Arm", which will not be repeated here. A transmission box 3 is connected to the mechanical arm, and two gear grooves 31 are opened on the inner side of the transmission box. A gear shaft 4 is arranged in the gear groove, and a gear A spline 41 is formed on the outer surface of the wheel axle, and a gear 5 is also arranged in the gear groove. The two gears in the gear groove mesh with each other. The gear has a sleeve 51 sleeved on the gear shaft, and the sleeve has a spline groove 53 matching the spline. The gear box is also provided with a cover plate 6 covering the gear groove, and the inner side surface of the cover plate and the bottom surface of the gear groove are provided with abutment rods 7 arranged in a circular shape. Annular grooves 52 are opened on both sides of the gear, and one end of the abutment rod abuts against the annular groove. A through hole 61 is provided on the cover plate, and one end of the gear shaft passes through the through hole and is connected to a roller brush.

[0029] When the guardrail cleaning vehicle in the utility model is working, the mechanical arm drives the roller brush to move to the position of the guardrail to be cleaned, and the mechanical arm also adjusts the direction of the roller brush so that the roller brush fits the guardrail. The guardrail cleaning vehicle is also provided with a water tank and a water spray pipe 23. The water pump in the water tank supplies water to the water spray pipe, and the water spray pipe sprays water to the roller brush. The cleaning roller brush mechanism abandons the cleaning method of the motor driving the roller brush to rotate. The roller brush is connected to the gear shaft inserted on the gear in the transmission box. The two meshing gears in the transmission box play the function of forming a linkage mechanism with two roller brushes. As the vehicle moves, rolling friction is generated between the roller brush and the guardrail, driving the roller brush to rotate. The two roller brushes rotate synchronously at a uniform speed, which has a good cleaning effect on the guardrail. Since there is no motor, the work will not be affected by moisture. Secondly, the driver does not need to take extra steps when driving the vehicle, thus reducing the safety hazards during driving. In addition, since there is no motor drive, there is no need to shut down the motor when the vehicle is forced to stop. When the roller brush does not roll relative to the guardrail, the roller brush stops working completely, and there will be no problem of motor damage due to idling.

[0030] A spline and spline groove matching structure is formed on the gear and the gear shaft, and the two rotate stably and synchronously. A cover plate is provided on the gear groove, and the annularly arranged abutment rods on the cover plate and in the gear groove are inserted into the annular grooves on both side surfaces of the gear. The abutment rods form an abutment against the gear, so the gear can maintain balance during operation, thereby achieving stable operation of the gear and avoiding abnormal noise.

[0031] Combination Figure 4-6 As shown, as a preferred structure, a fender is fixed on the transmission box, and the fender includes a main board 8, slots are formed on both sides of the main board, and extension plates 9 are inserted in the slots. A side of the main board is provided with a plurality of movable holes 81 parallel to its width direction, and a plurality of movable rods 10 are fixed on the extension plate, one end of the movable rod passes through the movable hole and is fixedly connected to a slider 11 abutting against the main board, strip plates 12 are fixedly connected on the upper and lower sides of the sliding hole, and a slide groove 121 matching the slider is provided on the strip plate, and an electric push rod 24 is also fixedly connected to the main board, and the output shaft of the electric push rod is fixed to the slider, and an extension plate 13 is connected to the side of the extension plate with a rotating shaft, a top plate 14 is fixed to the top of the extension plate, and an arc hole 141 is provided on the top of the top plate, and an extension rod 15 passing through the arc hole is connected to the top of the extension plate, and a knob 16 is screwed on the top of the extension rod, and the bottom end of the knob can abut against the upper surface of the top plate, and a circular plate 17 abutting against the lower surface of the top plate is also fixed on the extension rod. Start the electric push rod on the main board, the electric push rod drives the slider to move in the slide groove on the strip, the slider drives the movable rod to move in the movable groove on the main board, and the movable rod drives the extension plate to be inserted and pulled in the slots on both sides of the main board, thereby extending the main board; the extension plate is connected to the extension plate shaft, and the position of the extension rod on the extension plate in the arc hole on the top plate is adjusted to change the direction of the extension plate, and the knob is rotated so that the knob abuts against the top plate, and the circular plate and knob on the movable rod form an abutment against the top plate from the upper and lower sides of the top plate respectively. At this time, the position of the extension rod is fixed, that is, the direction of the extension plate is also fixed. The roller brush in the utility model is detachably connected to the gear shaft, so that roller brushes of various specifications and sizes can be easily replaced, expanding the scope of application of the guardrail cleaning vehicle. The mud guard in the utility model can also be easily deformed, which is suitable for mud guarding roller brushes of various specifications and sizes.

[0032] Combination Figure 7As shown, as a preferred structure, the roller brush includes a rotating shaft 18 fixed to the gear shaft, a sleeve 19 is fixed on the rotating shaft, bristles 22 are arranged on the sleeve, a plurality of brush plates 20 parallel to the length direction are formed on the outer circumference of the sleeve, a plurality of thread grooves 201 are spaced apart along the length direction of the brush plate, a terminal 21 is screwed into the thread groove, and the bristles form a plurality of bristle clusters fixed on the rubber ball head. As the roller brush works, some of the bristles will wear out. At this time, the terminal corresponding to the worn bristles can be removed from the thread groove, and a new terminal and bristles can be replaced without replacing the entire roller brush, thereby reducing the use cost. The terminal is screwed into the thread groove on the brush plate, and the connection is relatively stable, which prevents the terminal from being pulled out due to the friction between the brush and the guardrail during the operation of the roller brush.

[0033] In addition, combined Figure 8 As shown, the bristles include a bristle body 223, one end of which is formed with a plurality of forks 221, and the forks have hair peaks 222. The bristle body is provided with a plurality of forks and hair peaks, which expands the surface area of ​​the bristles and has a better effect of cleaning the guardrail.

[0034] To sum up: the utility model provides a cleaning roller brush mechanism used in a guardrail cleaning vehicle. The cleaning roller brush mechanism abandons the cleaning method of using a motor to drive the roller brush to rotate, but makes the roller brush directly contact with the guardrail, and uses rolling friction to drive the roller brush to rotate. The two roller brushes achieve synchronous rotation through gear transmission, so that the roller brush rotates more evenly and the cleaning effect is good. Since no motor is set, the work will not be affected by moisture. Secondly, the driver does not need to have additional operating steps when driving the vehicle, thereby reducing safety hazards during driving. In addition, since there is no motor drive, when the vehicle is forced to stop, there is no need to shut down the motor. When the roller brush does not roll relative to the guardrail, the roller brush completely stops working, and there will be no problem of motor damage due to idling. In the present cleaning roller brush mechanism, a spline and spline groove matching structure is formed on the gear and the gear shaft, and the two rotate stably and synchronously. A cover plate is provided on the upper cover of the gear groove. The cover plate and the abutment rods arranged in an annular manner in the gear groove are inserted into the annular grooves on both sides of the gear. The abutment rods form an abutment against the gear, and the gear can maintain balance during operation, thereby achieving stable operation of the gear and avoiding abnormal noise. In the present cleaning roller brush mechanism, extension plates are provided on both sides of the mudguard mainboard. Under the action of the electric push rod on the mainboard, the extension plate can be inserted and pulled into the slot on the mainboard, thereby realizing convenient extension of the mainboard and expanding its area; the side shaft of the extension plate is connected to an extension plate, and the extension rod at the top of the extension plate is pushed to move in the arc hole on the top plate, which can change the direction of the extension plate, so that the mudguard can be deformed according to the specifications of the roller brush, so that it can adapt to the contour of the roller brush and better play the role of mud blocking.

Claims

1. A cleaning roller brush mechanism used in a guardrail cleaning vehicle, the guardrail cleaning vehicle comprising a cleaning vehicle body, a mechanical arm is provided at the front end of the cleaning vehicle body, characterized in that: The mechanical arm is connected to a transmission box, and two gear grooves are provided on the inner side surface of the transmission box, and a gear shaft is provided in the gear groove. A spline is formed on the outer side surface of the gear shaft, and a gear is also provided in the gear groove. The two gears in the gear groove are meshed with each other, and the gear has a sleeve sleeved on the gear shaft, and a spline groove matching the spline is provided on the sleeve. The gear box is also provided with a cover plate covering the gear groove, and a circularly arranged abutment rods are provided on the inner side surface of the cover plate and the bottom surface of the gear groove. Annular grooves are provided on both side surfaces of the gear, and one end of the abutment rod abuts against the annular groove, and a through hole is provided on the cover plate, and one end of the gear shaft passes through the through hole and is connected to a roller brush.

2. The cleaning roller brush mechanism used in a guardrail cleaning vehicle according to claim 1, characterized in that: A mudguard is fixed on the transmission box, and the mudguard includes a main board, slots are formed on both sides of the main board, extension plates are inserted in the slots, a side surface of the main board is provided with a plurality of movable holes parallel to its width direction, a plurality of movable rods are fixed on the extension plate, one end of the movable rod passes through the movable hole and is fixedly connected to a slider abutting against the main board, strips are fixedly connected on the upper and lower sides of the movable hole, the strips have sliding grooves that cooperate with the slider, an electric push rod is also fixedly connected to the main board, and the output shaft of the electric push rod is fixed to the slider.

3. The cleaning roller brush mechanism used in a guardrail cleaning vehicle according to claim 2, characterized in that: The side rotating shaft of the extension plate is connected to an extension plate, a top plate is fixed to the top of the extension plate, the top of the top plate has an arc-shaped hole, the top of the extension plate is connected to an extension rod passing through the arc-shaped hole, the top of the extension rod is screwed with a knob, the bottom end of the knob can abut against the upper surface of the top plate, and a circular plate abutting against the lower surface of the top plate is also fixed to the extension rod.

4. The cleaning roller brush mechanism used in a guardrail cleaning vehicle according to claim 1, 2 or 3, characterized in that: The roller brush comprises a rotating shaft fixedly connected to the gear shaft, a shaft sleeve is fixed on the rotating shaft, and bristles are arranged on the shaft sleeve.

5. The cleaning roller brush mechanism used in a guardrail cleaning vehicle according to claim 4, characterized in that: A plurality of brush plates parallel to the length direction of the shaft sleeve are formed on the outer circumference thereof, a plurality of thread grooves are spaced apart on the brush plates along the length direction thereof, an end head is threadedly connected in the thread groove, and the bristles form a plurality of bristle clusters fixed on the end heads.

6. The cleaning roller brush mechanism used in a guardrail cleaning vehicle according to claim 5, characterized in that: The bristles include a bristle body, one end of which is formed with a plurality of forks, and the forks are provided with bristle peaks.

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