CN211623612U

CN211623612U - High-rotation-speed gear motor

Info

Publication number: CN211623612U
Application number: CN202020083108.2U
Authority: CN
Inventors: 王连为; 邓开军; 方典旺
Original assignee: Hefei Weishui Hydraulic Technology Co ltd
Current assignee: Hefei Weishui Hydraulic Technology Co ltd
Priority date: 2020-01-15
Filing date: 2020-01-15
Publication date: 2020-10-02
Anticipated expiration: 2030-01-15

Abstract

The utility model relates to the technical field of motors, and discloses a high-rotation-speed gear motor, which comprises a gearbox shell, a motor driving gear and a gearbox end cover; a group of transverse motor driving gears are arranged on the left side of the lower portion inside the gearbox shell, a motor driven gear is directly meshed with the upper portion of the motor driving gear, a transmission gear coaxial with the motor driving gear is fixedly mounted at the right end of the motor driving gear, a group of transmission gears with gears arranged inside and outside are arranged on the outer ring of the transmission gear, a group of output speed change gears are meshed with the upper side outside the transmission gear, the transmission ratio of the transmission gear to the output speed change gears is larger than 1, and a transverse screw rod is fixedly mounted at the right end of the transmission; a group of fan boxes with rectangular structures are fixedly arranged in the middle of the upper portion of the gearbox shell. The utility model has the advantages that; the rotating speed is automatically increased, multiple output rotating speeds are used simultaneously, the heat dissipation performance is high, the functions are multiple, and the popularization and the use are facilitated.

Description

High-rotation-speed gear motor

Technical Field

The utility model relates to the technical field of motors, specifically a high rotational speed gear motor.

Background

The hydraulic motor is an actuator of the hydraulic system, which converts the hydraulic pressure energy provided by the hydraulic pump into mechanical energy of its output shaft.

At present, the rotating speed range of the domestic gear motor is 800-3000 r/in. When the rotating speed exceeds 3000r/min, because the lubricating gap in the gear motor is fixed, if the lubricating gap is enlarged, internal leakage can be caused to fail; therefore, the lubricating gap can not be enlarged, so that the lubricating oil entering the gap can not be fully self-lubricated under the condition that the lubricating gap is not increased for the gear motor, the gear and the supporting shaft sleeve are burnt to be out of work due to friction heating, in many mechanical fields, the rotating speed of the gear motor is required to reach about 4500r/min, but the existing gear motor can not meet the requirement, and the existing motor is easy to generate higher temperature during running, so that the normal running of internal components is influenced, the service life of the motor is easy to reduce, most motors only have single or same output rotating speed, and the application range is limited.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a high rotational speed gear motor to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a high-speed gear motor comprises a gearbox shell, a motor driving gear and a gearbox end cover; a set of gearbox end cover is detachably installed on the right side of gearbox casing, the inside lower part left side of gearbox casing is provided with a set of horizontal motor driving gear, the upper portion direct mesh of motor driving gear has motor driven gear, motor driving gear and motor driven gear's last downside all carries out fixed support through the supporting axle sleeve, start motor driving gear through high-pressure hydraulic oil and rotate, thereby drive motor driven gear and carry out synchronous rotation. The right end of the motor driving gear is fixedly provided with a transmission gear which is coaxial with the motor driving gear, the upper side of the outside of the transmission gear is meshed with a group of output speed change gears, and the transmission ratio of the transmission gear to the output speed change gears is larger than 1, so that the output speed of the output speed change gears is improved through the transmission gear and the output speed change gears.

As a further aspect of the present invention: the right end of the transmission gear is fixedly provided with a transverse screw, a group of circular output ports are formed in the gearbox end cover positioned at the right end of the screw, a group of blocking covers are fixedly arranged on the outer sides of the output ports through an upper group of bolts and a lower group of bolts, and the blocking covers are arranged outside the output ports through bolts, so that a group of output rods are arranged outside the output ports, which are convenient to open and close.

As a further aspect of the present invention: the outer end of the output speed change gear is fixedly provided with a screw rod, and the tail end of the screw rod extends out of the end cover of the gearbox.

As a further aspect of the present invention: the left end of the output rod is internally provided with an embedded groove, the embedded groove is connected with the right end of the screw in an inserting mode, the upper side and the lower side of the tail end of the screw are symmetrically and fixedly provided with two groups of semi-spheres, and the upper inner side and the lower inner side of the embedded groove are provided with semi-circular grooves which are mutually clamped with the semi-spheres. When the rotational speed of needs direct output drive gear, through opening the delivery outlet, then insert drive gear's right-hand member portion with the caulking groove of output lever left end, then with the semicircle joint to the semicircle recess in, then start motor driving gear drives drive gear rotatory, then direct drive output lever rotates, and then directly use drive gear's output rotational speed.

As a further aspect of the present invention: a set of fan box that is the rectangle structure is fixedly mounted to the upper portion intermediate position of gearbox casing, and the ventilation hole net has all been seted up to fan box's upper and lower lateral wall is inside, and the setting of ventilation hole net is convenient for the flow of fan box inside upper and lower side air. The fan box is internally provided with a group of transverse fans, a vertical transmission rod is fixedly installed at the middle position of the bottom of each fan downwards, the bottom end of each transmission rod penetrates through the lower wall of the fan box to extend into the gearbox shell and is fixedly provided with a group of conical slave gears, a group of conical master gears are meshed with the right sides of the conical slave gears, the centers of the right sides of the conical master gears are fixedly installed on the right side faces of the output speed change gears, when the driving gears of the starting motors drive the transmission gears to rotate, then the transmission gears are connected through transmission of the transmission gears, the output speed change gears are driven to rotate, the conical master gears are driven to drive the conical slave gears to rotate, and finally the fans on the upper sides of the conical slave gears, which are located in the fan box, are. The bottom of the fan box positioned on the left side and the right side of the transmission rod is communicated with the inside of the gearbox shell, and the heat generated by the parts inside the gearbox shell during operation can be continuously conveyed outwards through continuous rotation of the fan, so that the functions of cooling and heat dissipation are achieved.

As a further aspect of the present invention: a circle of shaft seal is arranged at the connecting position of the transmission rod, the bottom of the fan box and the upper wall of the gearbox shell, and the conical gear and oil around the shaft seal can be prevented from entering the fan box through the arrangement of the shaft seal.

As a further aspect of the present invention: the transmission shell located at the bottom of the fan box is downwards fixedly provided with a plurality of groups of adjacent bulges, the bulges are arranged to be conical structures, vertical air holes are formed in the surfaces of the bulges, and when heat is not influenced to be conveyed outwards, liquid inside the transmission shell can be prevented from upwards entering the fan box.

As a further aspect of the present invention: two sets of adsorption plates are installed to the upper surface left and right sides symmetry of fan, and the setting of adsorption plate is arranged in adsorbing the impurity that carries in the gas of the inside output of gearbox casing, prevents that harmful substance from discharging external polluted environment.

As a further aspect of the present invention: the outer manufacturing material of the fan box is the same as that of the gearbox shell, so that the fan box and the gearbox shell can be fully connected into a whole, and the pressure resistance and the durability of the fan box are improved.

Compared with the prior art, the beneficial effects of the utility model are that: the outer ring of the transmission gear at the right end of the driving gear of the motor is meshed with the output speed change gear, and then the transmission ratio of the transmission gear to the output speed change gear is smaller than 1, so that the output rotating speed of the output speed change gear is increased, the transmission gear changing speed according to the transmission ratio is increased, and the rotating speed is increased to a high rotating speed; the tail end of the screw rod is detachably provided with the group of output rods, and the output rods are driven by the transmission gear to rotate for use, so that a user can automatically select and use the output speed change gear with higher rotating speed or the output rod with lower rotating speed or both the output speed change gear and the output rod with lower rotating speed according to the self requirement, thereby improving the multiple rotating speed use functions of the motor; the output rod is detachably arranged at the tail end of the transmission gear, so that the occupied space is reduced when the transmission gear is not used; the fan arranged in the fan box is driven to rotate by fixedly mounting the conical main gear at the right end of the output speed change gear, so that heat generated by parts in the shell of the speed change box during operation is continuously absorbed, and the heat dissipation capacity of the motor is improved. The utility model has the advantages that; the rotating speed is automatically increased, multiple output rotating speeds are used simultaneously, the heat dissipation performance is high, the functions are multiple, and the popularization and the use are facilitated.

Drawings

Fig. 1 is a schematic structural diagram of a first embodiment of a high-speed gear motor.

Fig. 2 is an enlarged schematic view of a in fig. 1.

FIG. 3 is a schematic view of a connection structure of a transmission gear in a high-speed gear motor, a driving gear of the motor, and an output transmission gear.

Fig. 4 is a schematic view of a connection structure between a driving gear end of a motor and an output shaft in a high-speed gear motor.

Fig. 5 is a schematic structural diagram of a second embodiment of a high-speed geared motor.

Wherein: the device comprises a gearbox shell 10, a motor driving gear 11, a motor driven gear 12, a supporting shaft sleeve 13, a gearbox end cover 14, a transmission gear 15, an output speed change gear 16, a fan box 17, a conical main gear 18, a conical driven gear 19, a fan 20, an adsorption plate 21, a ventilation hole mesh 22, a protrusion 23, a shaft seal 24, an output port 25, a blocking cover 26, a bolt 27, a semi-spherical ball 28, an embedded groove 29, a semi-circular groove 30 and an output rod 31.

Detailed Description

The technical solution of the present patent will be described in further detail with reference to the following embodiments.

Example one

Referring to fig. 1-4, a high-speed gear motor includes a transmission housing 10, a motor driving gear 11, and a transmission end cover 14; a set of gearbox end cover 14 is installed to the detachable type on gearbox casing 10's right side, gearbox casing 10's inside lower part left side is provided with a set of horizontal motor driving gear 11, motor driving gear 11's upper portion direct meshing has motor driven gear 12, motor driving gear 11 and motor driven gear 12's the last downside all carries out fixed stay through supporting axle sleeve 13, drive motor driving gear 11 through the starter motor and rotate to drive motor driven gear 12 and carry out synchronous rotation. The right end of the motor driving gear 11 is fixedly provided with a transmission gear 15 which is coaxial with the motor driving gear 11, and the transmission gear 15 is driven to rotate through the rotation of the motor driving gear 11. The upper side of the outer part of the transmission gear 15 is engaged with a group of output speed change gears 16, the outer ends of the output speed change gears 16 are fixedly provided with screw rods, the tail ends of the screw rods extend out of the end cover 14 of the gearbox, and the transmission ratio of the transmission gear 15 and the output speed change gears 16 is larger than 1, so that the output speed of the output speed change gears 16 is improved through the motor driving gear 11 and the output speed change gears 16.

The right end of the transmission gear 15 is fixedly provided with a transverse screw, a group of circular output ports 25 is formed in the gearbox end cover 14 located at the right end of the screw, a group of blocking covers 26 are fixedly arranged on the outer sides of the output ports 25 through an upper group of bolts 27 and a lower group of bolts 27, and the blocking covers 26 are arranged outside the output ports 25 through the bolts 27, so that the output ports 25 can be opened and closed conveniently. Two groups of semi-spheres 28 are symmetrically and fixedly mounted on the upper side and the lower side of the tail end of the screw rod, a group of output rods 31 are arranged outside the output port 25, an embedded groove 29 is formed in the left end of each output rod 31, the embedded groove 29 is connected with the right end of the screw rod in an insertion mode, and semicircular grooves 30 which are mutually clamped with the semi-spheres 28 are formed in the upper inner side face and the lower inner side face of the embedded groove 29. When the rotating speed of the transmission gear 15 needs to be directly output, the output port 25 is opened, the caulking groove 29 at the left end of the output rod 31 is inserted into the right end portion of the transmission gear 15, the semicircular ball 28 is clamped into the semicircular groove 30, the motor driving gear 11 is started to drive the transmission gear 15 to rotate, the output rod 31 is directly driven to rotate, and then the output rotating speed of the transmission gear 15 is directly used.

Example two

Referring to fig. 5, on the basis of the first embodiment, a group of rectangular fan boxes 17 is fixedly installed at the middle position of the upper portion of the gearbox shell 10, vent meshes 22 are respectively formed in the upper side wall and the lower side wall of each fan box 17, and the arrangement of the vent meshes 22 facilitates the air flow of the upper side and the lower side in each fan box 17. A group of transverse fans 20 are arranged inside the fan box 17, a vertical transmission rod is fixedly installed at the bottom middle position of each fan 20 downwards, the bottom end of each transmission rod penetrates through the lower wall of the fan box 17 and extends into the interior of the gearbox shell 10, a group of conical driven gears 19 are fixedly installed at the bottom end of each transmission rod, a group of conical main gears 18 are meshed with the right sides of the conical driven gears 19, the centers of the right sides of the conical main gears 18 are fixedly installed on the right side surfaces of the output speed change gears 16, when the motor driving gears 11 are started to drive the transmission gears 15 to rotate, the output speed change gears 16 are driven to rotate, the conical main gears 18 are driven to drive the conical driven gears 19 to rotate, and finally the fans 20 on the upper sides of the conical driven gears 19 and located inside the fan box 17 are driven to. A ring of shaft seal 24 is arranged at the joint of the transmission rod, the bottom of the fan box 17 and the upper wall of the gearbox shell 10, and oil around the cone gear 19 and the shaft seal 24 can be prevented from entering the fan box 17 through the arrangement of the shaft seal 24. The bottom of the fan box 17 positioned at the left side and the right side of the transmission rod is communicated with the inside of the gearbox shell 10, and heat generated by parts inside the gearbox shell 10 during operation can be continuously conveyed outwards through continuous rotation of the fan 20, so that the functions of cooling and radiating are achieved. A plurality of groups of adjacent bulges 23 are fixedly arranged on the gearbox shell 10 at the bottom of the fan box 17 downwards, the bulges 23 are of conical structures, vertical air holes are formed in the surfaces of the bulges 23, and liquid inside the gearbox shell 10 can be prevented from upwards entering the fan box 17 while heat is not influenced to be conveyed outwards. Two sets of adsorption plates 21 are installed to fan 20's upper surface left and right sides symmetry, and the setting of adsorption plates 21 is arranged in adsorbing the impurity that carries in the gas of the inside output of gearbox housing 10, prevents that harmful substance from discharging external polluted environment.

In order to be able to sufficiently connect the fan box 17 to the gearbox housing 10 as a whole and to increase the pressure resistance and durability of the fan box 17. The outer part of the fan box 17 is made of the same material as the gearbox housing 10.

The utility model discloses a theory of operation is: the outer ring of the transmission gear 15 at the right end of the motor driving gear 11 is meshed with the output speed change gear 16, then the transmission ratio of the transmission gear 15 and the output speed change gear 16 is larger than 1, and the rotating speed output by the output speed change gear 16 is further improved, so that the transmission gear 15 which changes speed according to the transmission ratio is increased, and the rotating speed is increased to a high rotating speed. The output rod 31 is detachably arranged at the tail end of the transmission gear 15, so that the occupied space is reduced when the transmission gear 15 is not used. A conical main gear 18 is fixedly arranged at the right end of the output speed change gear 16 and drives a fan 20 arranged in the fan box 17 to rotate, the bottom of the fan box 17 and the upper part of the gearbox shell 10 are in a mutually communicated state, and heat generated by parts in the gearbox shell 10 during operation is continuously absorbed through the rotation of the fan 20, so that the heat dissipation capacity of the motor is improved.

Although the preferred embodiments of the present patent have been described in detail, the present patent is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present patent within the knowledge of those skilled in the art.

Claims

1. A high-speed gear motor comprises a transmission case (10), a motor driving gear (11) and a transmission case end cover (14); a set of gearbox end cover (14) is detachably installed on the right side of gearbox casing (10), the inside lower part left side of gearbox casing (10) is provided with a set of horizontal motor driving gear (11), the upper and lower side of motor driving gear (11) and motor driven gear (12) all carries out fixed support through supporting shaft sleeve (13), a serial communication port, the upper portion direct meshing of motor driving gear (11) has motor driven gear (12), the right-hand member fixed mounting of motor driving gear (11) has drive gear (15) with motor driving gear (11) coaxial line, the outside upside meshing of drive gear (15) has a set of output speed change gear (16), the drive ratio of drive gear (15) and output speed change gear (16) is greater than 1, the right-hand member fixed mounting of drive gear (15) has horizontal screw rod.

2. The high-speed gear motor according to claim 1, wherein a set of circular output ports (25) is formed in the gearbox end cover (14) at the right end of the screw, a set of blocking covers (26) is fixedly mounted on the outer sides of the output ports (25) through an upper set of bolts (27) and a lower set of bolts (27), and a set of output rods (31) is arranged outside the output ports (25).

3. A high speed gear motor according to claim 2, wherein the outer end of the output speed gear (16) is fixedly provided with a screw rod, and the end of the screw rod extends to the outside of the end cover (14) of the gearbox.

4. The high-speed gear motor according to claim 3, wherein a caulking groove (29) is formed in the left end of the output rod (31), the caulking groove (29) is connected with the right end of the screw in an insertion manner, two groups of semi-circular balls (28) are symmetrically and fixedly mounted at the upper side and the lower side of the tail end of the screw, and semi-circular grooves (30) which are mutually clamped with the semi-circular balls (28) are formed in the upper inner side and the lower inner side of the caulking groove (29).

5. The high-rotation-speed gear motor according to claim 4, wherein a group of fan boxes (17) with a rectangular structure is fixedly installed at the middle position of the upper portion of the transmission case housing (10), vent meshes (22) are respectively formed inside the upper side wall and the lower side wall of each fan box (17), a group of transverse fans (20) are arranged inside each fan box (17), a vertical transmission rod is fixedly installed at the middle position of the bottom of each fan (20) downwards, the bottom end of each transmission rod penetrates through the lower wall of each fan box (17) to extend into the transmission case housing (10) and is fixedly provided with a group of conical driven gears (19), a group of conical main gears (18) are meshed with the right sides of the conical driven gears (19), the right center of the right sides of the conical main gears (18) is fixedly installed on the right side face of the output transmission gear (16), and the bottoms of the fan boxes (17) on the left side and the right side of the transmission rods are communicated with the interior, a ring of shaft seal (24) is arranged at the joint of the transmission rod, the bottom of the fan box (17) and the upper wall of the gearbox shell (10).

6. The high-speed gear motor is characterized in that a plurality of groups of adjacent protrusions (23) are fixedly arranged on the transmission case (10) at the bottom of the fan box (17) downwards, the protrusions (23) are arranged into a conical structure, and vertical air holes are formed in the surface of the protrusions.

7. A high-speed gear motor according to claim 6, wherein two sets of absorption plates (21) are symmetrically arranged on the left and right sides of the upper surface of the fan (20).

8. A high speed gearmotor according to any one of claims 5 to 7, characterised in that the fan box (17) is made of the same material as the gearbox housing (10).