CN211472343U

CN211472343U - Rolling brush driving device of road sweeper

Info

Publication number: CN211472343U
Application number: CN201922094240.3U
Authority: CN
Inventors: 黄翠婷
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-11-28
Filing date: 2019-11-28
Publication date: 2020-09-11
Anticipated expiration: 2029-11-28

Abstract

The utility model discloses a road surface street sweeper's round brush drive arrangement, including fixed axle, round brush, left actuating mechanism and right actuating mechanism, wherein, left side actuating mechanism and right actuating mechanism set up respectively in the inner core both ends position of round brush, just left side actuating mechanism and right actuating mechanism all include in-wheel motor and fixed cover establish the transmission sleeve on in-wheel motor's rotor, the fixed axle extends the inner core that runs through the round brush, two the fixed axle is located to in-wheel motor's the equal fixed cover of stator, two transmission sleeve all is connected with the inner core inner wall looks transmission to make transmission sleeve carry out the rotation action along with in-wheel motor rotation action and drive the round brush in step.

Description

Rolling brush driving device of road sweeper

Technical Field

The utility model belongs to the technical field of the technique of road surface motor sweeper structure and specifically relates to indicate a round brush drive arrangement of road surface motor sweeper.

Background

In chinese patent CN103194995A, a road sweeper main brush driven by an in-wheel motor is specifically disclosed, which is implemented by inserting the in-wheel motor into an inner core of a rolling brush and fixing the in-wheel motor together, but the in-wheel motor has a common problem of braking heat and energy consumption, and during the working process, the in-wheel motor generates a very large amount of heat, and the in-wheel motor is easily burned out due to overheating after long-time running, so that the heat dissipation problem is one of the reasons for limiting the working performance of the in-wheel motor.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome the not enough of prior art, provide a long service life, reliable and stable's road surface street sweeper's round brush drive arrangement.

In order to realize foretell purpose, the utility model provides a road surface street sweeper's round brush drive arrangement, including fixed axle, round brush, left actuating mechanism and right actuating mechanism, wherein, left side actuating mechanism and right actuating mechanism set up respectively in the inner core both ends position of round brush, just left side actuating mechanism and right actuating mechanism all include in-wheel motor and fixed cover establish the transmission sleeve on in-wheel motor's rotor, the fixed axle extends the inner core that runs through the round brush, two the fixed epaxial, two is located to the equal fixed cover of in-wheel motor's stator transmission sleeve all with inner core inner wall looks transmission connection to make transmission sleeve carry out the rotation action along with in-wheel motor rotation action and drive the round brush in step.

Furthermore, a plurality of transmission clamping grooves extending along the axial direction are annularly arranged on the outer peripheral surface of a rotor of the hub motor, a plurality of transmission clamping strips extending along the axial direction are annularly arranged on the inner peripheral surface of the transmission sleeve, and the transmission clamping strips are in one-to-one clamping fit with the transmission clamping grooves respectively.

Further, every the protruding shaping has two at least fixed ears on the transmission sleeve outer peripheral face, and the shaping has two at least fixed draw-in grooves that supply fixed ear fixed joint mutually on the inner core inner wall.

Furthermore, a gap is formed between the outer peripheral surface of the transmission sleeve and the inner wall of the inner core.

Furthermore, a plurality of radiating blades which are arranged in an annular mode are integrally formed at the edge of the outer peripheral surface of each transmission sleeve, and air exhaust surfaces of the radiating blades on the two transmission sleeves face to the same direction.

The utility model adopts the above technical scheme, its beneficial effect lies in: through setting up left actuating mechanism and right actuating mechanism in the inner core of round brush to regard as the driving medium with the help of the transmission sleeve and drive the rotatory action of round brush in order to realize in-wheel motor, simultaneously, utilize the transmission sleeve as in-wheel motor's radiator, solved in-wheel motor's heat dissipation problem effectively, promoted in-wheel motor working property and stability.

Drawings

Fig. 1 is a schematic structural view of the rolling brush driving device of the present invention.

Fig. 2 is a sectional view of the rolling brush driving device of the present invention.

Fig. 3 is a sectional view of a portion a in fig. 2.

The device comprises a fixed shaft 1, a rolling brush 2, an inner core 21, a hub motor 3, a transmission clamping groove 31, a transmission sleeve 4, a transmission clamping strip 41, a heat dissipation fin 42, a fixing lug 43, a heat dissipation fan 5 and a gap 6.

Detailed Description

To facilitate an understanding of the invention, the invention is described more fully below with reference to the accompanying drawings. Preferred embodiments of the present invention are shown in the drawings. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. These embodiments are provided so that this disclosure will be thorough and complete. It should be noted that the terms "first" and "second" in the present invention do not denote any particular quantity or order, but rather are used for distinguishing names.

Referring to fig. 1 to 3, in the present embodiment, a rolling brush driving device of a road sweeper includes a fixed shaft 1, a rolling brush 2, a left driving mechanism and a right driving mechanism, wherein the rolling brush 2 is provided with a hollow cylindrical inner core 21. The left driving mechanism and the right driving mechanism are respectively arranged at two ends of the inner core 21 of the rolling brush 2, and each of the left driving mechanism and the right driving mechanism comprises a hub motor 3 and a transmission sleeve 4 fixedly sleeved on a rotor of the hub motor 3, namely, the hub motor 3 and the transmission sleeve 4 are both arranged in the inner core 21.

In the present embodiment, the stationary shaft 1 extends through the inner core 21 of the roller brush 2, and the stationary shaft 1 is arranged coaxially with the roller brush 2. The stators of the hub motors 3 of the left driving mechanism and the right driving mechanism are fixedly sleeved at the two ends of the fixed shaft 1, namely, the fixed shaft 1 is penetrated by the stators and is preset with a central hole, so that the hub motors 3 are fixedly arranged on the fixed shaft 1.

In this embodiment, the transmission sleeve 4 is made of metal and has high thermal conductivity and high strength, a plurality of transmission clamping strips 41 extending along the axial direction are annularly arranged on the inner circumferential surface of the transmission sleeve 4, and each transmission clamping strip 41 is integrally formed on the inner circumferential surface of the transmission sleeve 4. In addition, a plurality of transmission clamping grooves 31 extending along the axial direction are annularly arranged on the outer peripheral surface of the rotor of the in-wheel motor 3, so that the transmission clamping strips 41 of the transmission sleeve 4 are in one-to-one corresponding clamping fit with the transmission clamping grooves 31 on the rotor, the transmission sleeve 4 is fixedly sleeved on the rotor of the in-wheel motor 3, and the cross section of the transmission clamping groove 31 of the embodiment is of a trapezoidal structure and the cross section of the transmission clamping strip 41 is of a trapezoidal structure. Therefore, when the hub motor 3 works, the rotor of the hub motor drives the transmission sleeve 4 to rotate around the fixed shaft 1.

In this embodiment, the outer peripheral surface of transmission sleeve 4 protrusion shaping has two to be the fixed ear 43 that the annular was arranged to the shaping has two fixed draw-in grooves that supply fixed ear 43 fixed joint mutually on the inner core 21 inner wall, promptly, through two fixed ears 43 respectively with two fixed draw-in grooves fixed joint mutually, thereby realize the fixed cooperation between transmission sleeve 4 and the round brush 2. Therefore, when the in-wheel motor 3 works, the rotor of the in-wheel motor drives the transmission sleeve 4 to rotate around the fixed shaft 1, and simultaneously, the roller brush 2 is synchronously driven to rotate, so that the in-wheel motor 3 indirectly drives the roller brush 2 to rotate through the transmission sleeve 4.

In this embodiment, referring to fig. 2 and 3, a plurality of annularly arranged heat dissipating blades 5 are integrally formed at the edge of the outer circumferential surface of each transmission sleeve 4, wherein the air exhaust surfaces of the heat dissipating blades 5 on the two transmission sleeves 4 face the same direction, the air exhaust surfaces of the two heat dissipating blades 5 face the same direction, and the two heat dissipating blades 5 are respectively located at two ends of the inner core 21, so that the two heat dissipating blades 5 respectively rotate along with the two transmission sleeves 4, thereby realizing that the heat dissipating blades 5 generate a unidirectional flowing air flow passing through the inner core 21, the two heat dissipating blades 5 respectively correspond to the air inlet and the air outlet of the inner core 21, and accelerate the air flow of the inner core 21 along with the rotation of the heat dissipating fan 5, thereby performing heat dissipation and temperature reduction on the hub motor 3. In order to facilitate the air flow, a gap is formed between the outer peripheral surface of the transmission sleeve 4 and the inner wall of the inner core 21 in the embodiment, so that the air flow passes through the gap.

The above-mentioned wheel hub motors belong to the conventional technology for those skilled in the art, and the structural principle is not described again, and meanwhile, in this example, the two wheel hub motors drive the rolling brush together to rotate, and the synchronism of the rolling brush can be accurately controlled by the preset electric control system, and the electric control system belongs to the calculation software, and belongs to the conventional technical means for those skilled in the art, and the description thereof is not repeated here.

The above-described embodiments are merely preferred embodiments of the present invention, which are not intended to limit the present invention in any way. Those skilled in the art can make many changes, modifications, and equivalents of the embodiments of the invention without departing from the scope of the invention. Therefore, the content of the technical scheme of the utility model, according to the equivalent change made by the idea of the utility model, should be covered in the protection scope of the utility model.

Claims

1. The utility model provides a road surface street sweeper's round brush drive arrangement which characterized in that: including fixed axle (1), round brush (2), left actuating mechanism and right actuating mechanism, wherein, left side actuating mechanism and right actuating mechanism set up respectively in inner core (21) both ends position of round brush (2), just left side actuating mechanism and right actuating mechanism all establish transmission sleeve (4) on the rotor of in-wheel motor (3) including in-wheel motor (3) and fixed cover, fixed axle (1) extends inner core (21) that run through round brush (2), two the stator of in-wheel motor (3) is all fixed the cover and is located on fixed axle (1), two transmission sleeve (4) all are connected with inner core (21) inner wall looks transmission to make transmission sleeve (4) along with in-wheel motor (3) rotation and drive round brush (2) in step and carry out rotation.

2. The roller brush driving device of the road sweeper as claimed in claim 1, wherein: the annular has many transmission draw-in grooves (31) along axial extension on the rotor outer peripheral face of in-wheel motor (3), the annular has many transmission card strip (41) along axial extension on transmission sleeve (4) inner peripheral face, and is a plurality of transmission card strip (41) cooperate with a plurality of transmission draw-in grooves (31) one-to-one joint respectively.

3. The roller brush driving device of the road sweeper as claimed in claim 1, wherein: every the protruding shaping has two at least fixed ears (43) on transmission sleeve (4) outer peripheral face, and the shaping has two at least fixed draw-in grooves that supply fixed ear (43) fixed joint mutually on inner core (21) inner wall.

4. The roller brush driving device of the road sweeper as claimed in claim 3, wherein: a gap (6) is formed between the outer peripheral surface of the transmission sleeve (4) and the inner core inner wall.

5. The roller brush driving device of the road sweeper as claimed in claim 4, wherein: a plurality of radiating blades (5) which are annularly arranged are integrally formed at the edge of the outer peripheral surface of each transmission sleeve (4), wherein the air exhaust surfaces of the radiating blades (5) on the two transmission sleeves (4) face to the same direction.