CN216424070U

CN216424070U - Wheel-side three-in-one driver

Info

Publication number: CN216424070U
Application number: CN202121006034.3U
Authority: CN
Inventors: 郭雪成; 陈勇智; 肖志高; 潘宁静
Original assignee: Zhuzhou Gear Co Ltd
Current assignee: Zhuzhou Gear Co Ltd
Priority date: 2021-05-12
Filing date: 2021-05-12
Publication date: 2022-05-03
Anticipated expiration: 2031-05-12

Abstract

Wheel limit trinity driver includes motor, reduction gear and carries out the controller controlled to the motor, its characterized in that: the brake of the motor is arranged on the front side of the motor in a matching mode, the controller is coaxially arranged on the rear side of the motor, and the motor is nested and extends into the speed reducer. The utility model forms the driver with compact structure and three-in-one, realizes the integrated assembly of the controller, the motor and the speed reducer, reduces the volume of the wheel-side driver, improves the assembly efficiency of the wheel-side driver, effectively shortens the length of a control circuit between the motor and the controller, improves the efficiency of circuit connection, reduces circuit faults, improves the stability of the driving connection of the controller and the motor, has simple installation structure of the controller, is convenient for installation, debugging, opening and maintenance, and has high practicability.

Description

Wheel-side three-in-one driver

Technical Field

The utility model relates to a wheel-side three-in-one driver, and belongs to the technical field of wheel-side driving.

Background

The wheel side driving is widely applied to engineering operation vehicles of engineering machinery, and a common driving is a motor and reducer two-in-one structure. The vehicle needs a parking brake device, generally, an electromagnetic brake is arranged at the tail of a motor, and the brake is arranged at the tail of the motor and is matched with a motor shaft through a spline sleeve. The brake is fixed on the motor rear cover by bolts. In this way, the installation position of the motor (temperature and speed) sensor becomes small, and the selection of the sensor type is limited; but also is not beneficial to the integration of the controller, the motor and the speed reducer.

SUMMERY OF THE UTILITY MODEL

The wheel-side three-in-one driver provided by the utility model forms a driver with a compact structure and three-in-one, realizes the integration and combination of the controller, the motor and the speed reducer, reduces the volume of the wheel-side driver, improves the assembly efficiency of the wheel-side driver, reduces the line fault, improves the stability of the driving connection of the controller and the motor, has a simple installation structure of the controller, is convenient for installation, debugging, opening and maintenance, and has high practicability.

In order to achieve the purpose, the utility model adopts the technical scheme that:

wheel limit trinity driver includes motor, reduction gear and carries out the controller controlled to the motor, its characterized in that: the brake of the motor is arranged on the front side of the motor in a matching mode, the controller is coaxially arranged on the rear side of the motor, and the motor is nested and extends into the speed reducer.

Preferably, the rear end of the casing of the motor is of an open structure, the rear end of the casing is sealed by a coaxially fixed rear cover, the controller is arranged in the rear cover, and the electricity taking connecting wire of the brake penetrates through the casing and extends into the rear cover to be electrically connected with the controller.

Preferably, the rear cover comprises a cover cylinder coaxially fixed with the rear end of the casing and a mounting disc fixed at the rear end of the cover cylinder and used for sealing the cover cylinder, and the controller is coaxially fixed on the mounting disc and extends into the cover cylinder.

Preferably, the mounting disc on be equipped with integrated into one piece's protruding ring, protruding ring centre of a circle and mounting disc centre of a circle coincidence, protruding ring clearance fit stretches into to the lid section of thick bamboo in, the controller is the circuit board structure, the circuit board of controller supports on protruding ring and fixed through bolt and protruding ring, and electronic component on the circuit board separates contactless with the mounting disc.

Preferably, the cover cylinder is provided with a radial supporting disk, the radial supporting disk and the cover cylinder are integrally formed and coaxially arranged on the inner side of the mounting disk, and the radial supporting disk is connected with the rear end of the motor rotating shaft through a bearing.

Preferably, the radial support disc is provided with a plurality of wire passing holes for passing control circuits of the power supply machine, and the wire passing holes are waist-shaped holes and are uniformly distributed on the radial support disc along the same circumferential line.

Preferably, the casing in open and to have along axial trough, open on the lid section of thick bamboo and have the UNICOM groove of UNICOM trough and lid section of thick bamboo inner chamber, the line of getting of stopper is passed trough and UNICOM groove and is stretched into and be connected with the controller electricity in the lid section of thick bamboo inner chamber.

Preferably, the term "the motor is nested and extends into the reducer" means that an open cavity is formed at the rear end of a shell of the reducer, a brake which is positioned at the front side of a casing and is sleeved on a rotating shaft of the motor is arranged in the open cavity, the front end of the casing extends into the open cavity to seal the open cavity, and the shell of the reducer is fixedly connected with the casing through bolts, so that the front end of the casing is nested in the shell of the reducer.

The utility model has the beneficial effects that:

1. the brake in the wheel-side three-in-one driver is assembled on the front side of the motor to make room for the installation of the controller, the controller is coaxially arranged on the rear side of the motor, the radial size of the driver is not increased, a coaxial structure of the controller, the motor and the speed reducer is formed, the axial size is shortened by nesting the motor and the speed reducer, the driver which is compact in structure and three-in-one is formed, the controller, the motor and the speed reducer are integrated, the size of the wheel-side driver is reduced, and the assembly efficiency of the wheel-side driver is improved.

2. The controller is coaxially arranged at the rear side of the motor, the length of a control circuit between the motor and the controller can be effectively shortened, the circuit connection efficiency is improved, the circuit fault is reduced, and the stability of the controller in driving connection with the motor is improved.

3. The controller is arranged in the rear cover at the rear end of the casing, the rear cover is of a split structure comprising a cover cylinder and a mounting disc, the controller is coaxially fixed on the mounting disc, the mounting structure of the controller is simple, the controller is convenient to install, debug, open and maintain, and the practicability is high.

Drawings

Fig. 1 is a schematic view of a wheel-side triple-play drive of the present invention.

Fig. 2 is a schematic view of the controller installed in the rear cover.

Fig. 3 is a distribution diagram of the wire passing holes on the radial support disk.

Detailed Description

The following describes an embodiment of the present invention in detail with reference to fig. 1 to 3.

Wheel limit trinity driver includes motor 1, reduction gear 2 and carries out the controller 3 controlled to motor 1, its characterized in that: the brake 4 of the motor 1 is assembled at the front side of the motor 1, the controller 3 is coaxially arranged at the rear side of the motor 1, and the motor 1 is nested and extends into the speed reducer 2.

Above the trinity driver in wheel limit 4 join in marriage and equip at 1 front side of motor vacate the space for the installation of controller, 3 coaxial arrangement in motor 1 rear side of controller, do not increase the radial dimension of driver, form controller 3, the coaxial structure of motor 1 and reduction gear 2 shortens axial dimension through the nestification of motor 1 and reduction gear 2, form compact structure and the integrative driver of three unifications, realize controller 3, the integration of motor 1 and reduction gear 1 attaches together, reduce the volume of wheel limit driver, improve the packaging efficiency of wheel limit driver. The controller 3 is coaxially arranged at the rear side of the motor 1, the length of a control circuit between the motor 1 and the controller 3 can be effectively shortened, the circuit connection efficiency is improved, the circuit fault is reduced, and the stability of the driving connection between the controller 3 and the motor 1 is improved.

The rear end of a casing 11 of the motor 1 is of an open structure, the rear end of the casing 11 is sealed by a coaxially fixed rear cover 12, the controller 3 is arranged in the rear cover 12, and a power-taking connecting wire of the brake 4 penetrates through the casing and extends into the rear cover 12 to be electrically connected with the controller 3. As shown in the figure, the design of the casing 11 rear end of motor is open structure not sealed to install back lid 12 additional at the rear end, controller 3 dress is in back lid 12, and back lid 12 provides installation space for controller 3, and back lid 12 also provides the space for the control scheme between motor and the controller is connected in addition, makes controller 3 be connected with the motor effective drive, and is integrated in the rear end of motor.

The rear cover 12 includes a cover cylinder 121 coaxially fixed with the rear end of the housing 11 and a mounting plate 122 fixed at the rear end of the cover cylinder 121 to seal the cover cylinder 121, and the controller 3 is coaxially fixed on the mounting plate 122 and extends into the cover cylinder 121. As can be seen from the drawings, the controller 3 is fixed on the mounting disc 122, the mounting disc 122 is fixed on the cover cylinder 121, the cover cylinder 121 is fixed at the rear end of the casing 11, the rear end of the casing 11 is sealed, the mounting disc 122 can be separated from the cover cylinder 121, the rear cover 12 is opened in the using process to detect or maintain the controller conveniently, the convenience of controller maintenance is improved, and the practicability is high.

The mounting disc 122 is provided with an integrally formed protruding ring 123, the circle center of the protruding ring 123 coincides with the circle center of the mounting disc, the protruding ring 123 is in clearance fit and extends into the cover cylinder 121, the controller 3 is of a circuit board structure, a circuit board of the controller 3 is abutted to the protruding ring 123 and fixed with the protruding ring 123 through a bolt, and an electronic element on the circuit board is separated from the mounting disc 122 and does not contact with the mounting disc. The controller 3 is fixed through the convex ring 123, so that the controller 3 is not directly attached to the mounting disc 122, a space is provided for electronic elements on a circuit board, heat dissipation of the controller is facilitated, and the service life of the controller is prolonged.

The cover cylinder 121 is provided with a radial support disc 124, the radial support disc 124 and the cover cylinder 121 are integrally formed and coaxially arranged on the inner side of the mounting disc 122, and the radial support disc 124 is connected with the rear end of the motor rotating shaft through a bearing. The radial support disk 124 improves the structural strength of the rear cover 12, supports the rear end of the motor rotating shaft, and improves the coaxiality of the motor rotating shaft.

The radial support disk 124 is provided with a plurality of wire passing holes 125 through which control lines of the power supply machine pass, and the wire passing holes 125 are waist-shaped holes and are uniformly distributed on the radial support disk 124 along the same circumferential line. The control line is arranged by the line passing holes 125, so that effective penetration of the control line is ensured, the control line can be penetrated out from different line passing holes 125 in a classified manner, and the wiring efficiency and accuracy are improved.

The casing 11 is provided with an axial wiring groove 111, the cover cylinder 121 is provided with a communication groove 126 for communicating the wiring groove 111 with the inner cavity of the cover cylinder 121, and a power-taking connecting line of the brake 4 penetrates through the wiring groove 111 and the communication groove 126 and extends into the inner cavity of the cover cylinder to be electrically connected with the controller, so that the brake 4 can directly take power from the controller 3, and the wiring efficiency of the brake 4 is improved.

The 'motor 1 is nested and extends into the speed reducer 2' means that an open cavity 22 is formed in the rear end of a speed reducer shell 21, a brake 4 which is located on the front side of a machine shell 11 and sleeved on a motor rotating shaft is arranged in the open cavity 22, the front end of the machine shell 11 extends into the open cavity 22 to seal the open cavity 22, and the speed reducer shell 21 is fixedly connected with the machine shell 11 through bolts so that the front end of the machine shell is nested in the speed reducer shell. As shown in the figure, the brake 4 is wrapped and sealed by the reducer shell 21 and the machine shell 11, and the front end of the machine shell 11 is nested and extends into the reducer shell 21, so that a shell required by the brake 4 is omitted, the axial size between the motor and the reducer is effectively shortened, the structure of the driver is more compact, the space occupancy rate is smaller, the requirement on the installation space is lower, and the installation is easier.

The technical solutions of the embodiments of the present invention are fully described above with reference to the accompanying drawings, and it should be noted that the described embodiments are only some embodiments of the present invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.

Claims

1. Wheel limit trinity driver includes motor, reduction gear and carries out the controller controlled to the motor, its characterized in that: the brake of the motor is arranged at the front side of the motor in a matching way, the controller is coaxially arranged at the rear side of the motor, and the motor is nested and extends into the speed reducer;

the rear end of the shell of the motor is of an open structure, the rear end of the shell is sealed through a coaxially fixed rear cover, the controller is arranged in the rear cover, and the electricity taking connecting wire of the brake penetrates through the shell and extends into the rear cover to be electrically connected with the controller.

2. The wheel-rim three-in-one drive of claim 1, wherein: the rear cover comprises a cover cylinder coaxially fixed with the rear end of the shell and a mounting disc fixed at the rear end of the cover cylinder and used for sealing the cover cylinder, and the controller is coaxially fixed on the mounting disc and extends into the cover cylinder.

3. The wheel-rim three-in-one drive of claim 2, wherein: the mounting disc on be equipped with integrated into one piece's protruding ring, protruding ring centre of a circle and mounting disc centre of a circle coincidence, protruding ring clearance fit stretches into to cover a section of thick bamboo in, the controller is the circuit board structure, the circuit board of controller supports on protruding ring and fixed through bolt and protruding ring, and electronic component on the circuit board separates contactless with the mounting disc.

4. The wheel-rim three-in-one drive of claim 2, wherein: the cover cylinder in have radial supporting disk, radial supporting disk and cover cylinder integrated into one piece, and coaxial setting is inboard at the mounting disc, radial supporting disk passes through the bearing and is connected with motor shaft rear end.

5. The wheel-edge three-in-one drive of claim 4, wherein: the radial supporting disk is provided with a plurality of wire passing holes for passing control circuits of the power supply machine, and the wire passing holes are waist-shaped holes and are uniformly distributed on the radial supporting disk along the same circumferential line.

6. The wheel-rim three-in-one drive of claim 2, wherein: the shell is internally provided with a wiring groove along the axial direction, the cover cylinder is provided with a communication groove for communicating the wiring groove with the inner cavity of the cover cylinder, and the electricity-taking connecting line of the brake penetrates through the wiring groove and the communication groove to extend into the inner cavity of the cover cylinder to be electrically connected with the controller.

7. The wheel-rim three-in-one drive of claim 1, wherein: the motor nesting and extending into the speed reducer means that an open cavity is formed in the rear end of a speed reducer shell, a brake which is located on the front side of a machine shell and sleeved on a motor rotating shaft is arranged in the open cavity, the front end of the machine shell extends into the open cavity to seal the open cavity, and the speed reducer shell is fixedly connected with the machine shell through bolts, so that the front end of the machine shell is nested in the speed reducer shell.