CN218718529U - Externally-hung cycloidal speed reducer - Google Patents

Abstract

The utility model discloses an outer hanging cycloid reduction gear, including motor (2), removable reducing gear box (6), pin wheel dish bearing (17) and cycloid dish (19), removable reducing gear box (6) are including double-deck eccentric axis (14) and cycloid dish bearing (20), the installation is established on cycloid dish (19) to pin wheel dish bearing (17) cover, cycloid dish (19) are located inside pin wheel dish bearing (17), cycloid dish (19) are established through cycloid dish bearing (20) cover and are installed on double-deck eccentric axis (14), the interior annular ring of cycloid dish (19) is beaten screw (4) with the stopper and is constituteed the revolute pair, double-deck eccentric axis (14) link firmly with the output shaft of motor (2). The device has small volume, light weight, low manufacturing cost and high transmission precision, and is suitable for high-end manufacturing equipment.

Description

Externally-hung cycloidal speed reducer

Technical Field

The utility model relates to an outer hanging cycloidal reducer belongs to reduction gear technical field.

Background

In the current mechanisms for transmitting power and motion, the application range of the speed reducer is quite wide, and the speed reducer can be seen in the transmission systems of almost all kinds of machines, from ships, automobiles, locomotives of vehicles, heavy machines and tools for construction, processing machines and automatic production equipment for the mechanical industry, common household appliances and clocks in daily life, and the like. The reducer can be applied to large power transmission operation and small load accurate angle transmission, and has the functions of reducing speed and increasing torque in industrial application, so that the reducer is widely applied to speed and torque conversion equipment.

Most of the current domestic speed reducer products have the problems of small torque, large size, heavy weight, high cost, high price, insufficient transmission precision and the like, can only meet the design requirements of large-scale manned machinery or small-sized robots, and can not be applied to high-end manufacturing equipment and robots due to various limitations.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that overcome prior art's defect, provide an outer hanging cycloidal reducer. In order to achieve the aim, the utility model provides an externally-hung cycloidal reducer, which comprises a motor, a replaceable reduction gearbox, a needle wheel disc bearing and a cycloidal disc, wherein the replaceable reduction gearbox comprises a double-layer eccentric center shaft and a cycloidal disc bearing,

the pin wheel disc bearing sleeve is arranged on the cycloid disc, the cycloid disc is located inside the pin wheel disc bearing, the cycloid disc is arranged on the double-layer eccentric center shaft through the cycloid disc bearing sleeve, an inner ring hole of the cycloid disc and a plug screw form a revolute pair, and the double-layer eccentric center shaft is fixedly connected with an output shaft of the motor.

Preferentially, the motor fixing seat is fixedly connected with the motor through the large tensioning sleeve.

Preferentially, beat screw, output ring, bearing and motor fixing base integrated piece including a plurality of stopper, the motor fixing base integrated piece is installed at the motor top, and the vertical embedded screw that beats of a plurality of stopper that has of motor fixing base integrated piece, the motor fixing base integrated piece outside cover is established and is installed the bearing, and the bearing outside cover is established and is installed the output ring.

Preferentially, the replaceable reduction gearbox comprises a pin, a plurality of pin fixing plates, a small tensioning sleeve, a reduction gearbox gasket and a reduction gearbox cushion block, wherein a cycloid surface outside the cycloid disc and a dial bearing form a revolute pair, the dial bearing is connected in series on the pin, and the plurality of pin fixing plates are distributed on the upper side and the lower side of the dial bearing;

the pin is fixed on the pin fixing plate, the reduction gearbox cushion block is positioned in the middle of the pin fixing plate, and the output ring, the reduction gearbox cushion block and the pin fixing plate are fixedly connected;

the small tensioning sleeve is sleeved on the output shaft of the motor, and the double-layer eccentric center shaft is fixedly connected with the output shaft of the motor through the small tensioning sleeve. Preferentially, the motor fixing seat comprises a middle shaft cushion block, the middle shaft cushion block is positioned between the motor fixing seat integrated piece and the double-layer eccentric middle shaft, and the middle shaft cushion block is sleeved on an output shaft of the motor.

Preferentially, the double-layer eccentric center shaft structure comprises an external drive end cover and a thrust bearing, wherein the external drive end cover is arranged on the upper portion of the double-layer eccentric center shaft, the external drive end cover is sleeved and fixed on an output shaft of the motor, a groove is formed in the bottom of the external drive end cover and is fixedly connected with a small tensioning sleeve in a matched mode, and the thrust bearing is installed on the outer side of the external drive end cover.

Preferentially, the device comprises a top cover cushion block, a second bearing, a second output ring and a top cover plate, wherein the second bearing is sleeved outside the top cover cushion block, the top cover plate is arranged above the top cover cushion block and the second bearing, and the second output ring is sleeved outside the second bearing; and a top cover cushion block is installed on the outer side of the thrust bearing, and an inner annular hole formed in the top cover cushion block is fixedly connected with the plug screw.

Preferentially, the replaceable reduction gearbox, the motor fixing seat integrated part and the top cover cushion block form a closed box body, and lubricating grease is filled in the closed box body;

the device also comprises a graphite copper sleeve and a gasket, wherein the graphite copper sleeve and the gasket are installed on the outer side of each plug screw, and an inner ring hole of the cycloid disc is connected with the plug screws through the graphite copper sleeve to form a revolute pair.

Preferably, the exposed surface of the externally-driven end cover is provided with an outer hexagonal protrusion structure, and the outer hexagonal protrusion structure is exposed outside through the round hole of the top cover cushion block and the round hole of the top cover plate.

Preferentially, including first metal sheet and second metal sheet, embedding first metal sheet between motor fixing base integrated piece and the motor, motor fixing base integrated piece embedding second metal sheet, first metal sheet and second metal sheet outline are regular polygon, and the polygon recess of cooperation stopper screw bottom is seted up to the outline of first metal sheet.

The utility model discloses the beneficial effect who reaches:

(1) The device has small volume, light weight, low manufacturing cost and high transmission precision, and is suitable for high-end manufacturing equipment; the main structural components such as the output ring, the 3508 motor fixing seat integrated piece, the reduction gearbox cushion block, the top cover cushion block, the middle shaft cushion block and the external drive end cover (7) are all made of laser sintering nylon, and the swing disc, the swing disc gasket, the reduction gearbox gasket, the pin fixing plate and other plates are all made of laser cutting metal plates, so that the manufacturing cost is low, and the structural strength is superior to FDM printing or light-cured resin.

(2) Aluminum plates are embedded into the nylon printing piece of the 3508 motor fixing seat integrated piece, so that the connection stability of the 3508 motor fixing seat integrated piece and the 3508 motor is improved, and the overall structural strength and the fastening stability of the speed reducer are improved. And the outline of the metal plate embedded in the surface contacting with the 3508 motor is provided with a polygonal groove matched with the hexagonal screw head of the packing screw embedded in the 3508 motor fixing seat integrated piece, so that the connection stability of the whole integrated piece and the packing screw is improved.

(3) The tight cover that rises greatly links firmly with 3508 motor mutually, and the tight cover that rises greatly wraps up the reducing gear box and the output cover part of former 3508 motor simultaneously, effectively consolidates a plurality of equipment parts of former 3508 motor, avoids former dress motor self structural strength not enough when exporting great torsion problem.

(4) The external reduction box adopts a cycloid speed reduction principle, the return clearance of the external reduction box is smaller than that of a multi-stage planetary speed reduction mechanism of the original 3508 motor, the return clearance of the multi-stage planetary speed reduction mechanism of the original 3508 motor is effectively reduced after speed reduction and on a final output ring, and the overall precision of the speed reducer is improved.

(5) The reduction box part adopts the double-cycloid disc speed reduction structural design with the phase difference of 180 degrees, and compared with the single-cycloid disc design, the vibration problem of an eccentric structure is effectively solved, the transmission process is more continuous, and the torque output is more stable.

(6) 3508 motor fixing seat is fixedly connected with 3508 motor via large tensioning sleeve, double-layer eccentric center shaft is fixedly connected with 3508 motor output shaft via small tensioning sleeve, transmission torque is large, transmission gap is smaller than key transmission and screw fastening, and transmission surface has no abrasion; compare in D type hole transmission, key transmission, screw fastening mode etc. but automatic pine takes off when the speed reducer transships, protection speed reducer and motor structure compare in shaft coupling friction locking transmission mode, can realize the fastening transmission of bigger moment of torsion in less volume.

(7) The use of a toroidal output structure is more suitable for installation and design of large torque output structures than output shaft output.

(8) The inner ring hole of the cycloid disc forms a revolute pair through a graphite copper sleeve and a plug screw, transmission lubrication is achieved, structural strength is superior to that of a common bearing with the same volume, the replaceable reduction gearbox, a 3508 motor fixing seat integrated piece and a top cover cushion block form a closed box body, a speed reduction structure is not exposed, lubricating grease is filled in the closed box body, and the integral speed reduction structure can be free of maintenance and lubrication for a long time;

(9) The design has outer hexagonal protruding structure on the outer exposed surface of driving end cover, through the screw fixation on 3508 motor output shaft, and the recess cooperatees with the screw of little tight cover that rises, can conveniently rotate the output shaft of reducing gear box and 3508 motor under the outage condition fast through the suitable ordinary hexagonal spanner of size, is convenient for adjust output ring externally connected's mechanism under the outage condition, compares in other because of the too big speed reducer that can't cut off the power supply and drive outward of single-stage reduction ratio, and it is more convenient to use.

Drawings

FIG. 1 is a perspective view of the present invention;

FIG. 2 is a rear view of the present invention;

FIG. 3 is a front view of the present invention;

FIG. 4 is a side view of the present invention;

fig. 5 is a cross-sectional view of the present invention.

The reference number means, 1-motor fixing seat; 2, a motor; 3-large expansion sleeve; 4-plugging and screwing the screw; 5-an output ring; 6-replaceable reduction gearbox; 7-an external drive end cover; 8-a top cover plate; 9-a bearing; 10-output ring screw; 11-motor fixing seat integrated parts; 12-large expansion sleeve screw; 13-middle shaft cushion block; 14-double layer eccentric middle shaft; 15-small tensioning sleeve; 16-a thrust bearing; 17-a dial bearing; 18-pin fixing plate; 19-a cycloid disc; 20-cycloid disc bearings; 21-reduction gearbox cushion block.

Detailed Description

The following examples are only used to illustrate the technical solutions of the present invention more clearly, and the protection scope of the present invention is not limited thereby.

It should be noted that, if there is a directional indication (such as up, down, left, right, front, and back) in the embodiment of the present invention, it is only used to explain the relative position relationship between the components, the motion situation, etc. in a certain specific posture, and if the specific posture is changed, the directional indication is changed accordingly.

In addition, if a description of "first", "second", etc. is referred to in the present invention, it is used for descriptive purposes only and not to be construed as indicating or implying relative importance or implicit to the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.

Example one

An externally-hung cycloidal speed reducer comprises a motor 2, a replaceable reduction box 6, a pinwheel disc bearing 17 and a cycloidal disc 19, wherein the replaceable reduction box 6 comprises a double-layer eccentric center shaft 14 and a cycloidal disc bearing 20,

the needle wheel disc bearing 17 is sleeved on the cycloid disc 19, the cycloid disc 19 is located inside the needle wheel disc bearing 17, the cycloid disc 19 is sleeved on the double-layer eccentric center shaft 14 through the cycloid disc bearing 20, an inner annular hole of the cycloid disc 19 and the plug screw 4 form a revolute pair, and the double-layer eccentric center shaft 14 is fixedly connected with an output shaft of the motor 2.

Further, including motor fixing base 1 and the tight cover 3 that rises greatly in this embodiment, motor fixing base 1 links firmly with motor 2, and motor fixing base 1 links firmly with motor 2 through the tight cover 3 that rises greatly.

Furtherly, including a plurality of stopper beating screw 4, output ring 5, bearing 9 and motor fixing base integrated part 11 in this embodiment, motor fixing base integrated part 11 is installed at 2 tops of motor, and motor fixing base integrated part 11 is vertical embedded to have a plurality of stopper to beat screw 4, and 11 outside covers of motor fixing base integrated part are established and are installed bearing 9, and the output ring 5 is established to bearing 9 outside cover.

Further, in this embodiment, the replaceable reduction gearbox 6 includes a pin, a plurality of pin fixing plates 18, a small tension sleeve 15, a reduction gearbox gasket and a reduction gearbox cushion block 21, an outer cycloid surface of the cycloid disc 19 and the dial bearing 17 form a revolute pair, the dial bearing 17 is connected in series with the pin, and the plurality of pin fixing plates 18 are distributed on the upper side and the lower side of the dial bearing 17;

the pin is fixed on the pin fixing plate 18, the reduction gearbox cushion block 21 is positioned in the middle of the pin fixing plate 18, and the output ring 5, the reduction gearbox gasket, the reduction gearbox cushion block 21 and the pin fixing plate 18 are fixedly connected;

the small tensioning sleeve 15 is sleeved on the output shaft of the motor 2, and the double-layer eccentric center shaft 14 is fixedly connected with the output shaft of the motor 2 through the small tensioning sleeve 15.

Further, the motor comprises a middle shaft cushion block 13 in the embodiment, the middle shaft cushion block 13 is located between the motor fixing seat integrated component 11 and the double-layer eccentric middle shaft 14, and the middle shaft cushion block 13 is sleeved on an output shaft of the motor 2.

Further, including external drive end cover 7 and thrust bearing 16 in this embodiment, external drive end cover 7 is on double-deck eccentric axis 14 upper portion, and external drive end cover 7 cover is established and is fixed on the output shaft of motor 2, and the recess is seted up to external drive end cover 7 bottom, and the recess links firmly with the cooperation of little tight cover 15 that rises, and thrust bearing 16 is installed to the external side of external drive end cover 7.

Further, the hydraulic drive device comprises a top cover cushion block, a second bearing, a second output ring and a top cover plate 8, wherein the second bearing is sleeved outside the top cover cushion block, the top cover plate 8 is arranged above the top cover cushion block and the second bearing, and the second output ring is sleeved outside the second bearing;

a top cover cushion block is arranged on the outer side of the thrust bearing 16, and an inner annular hole formed in the top cover cushion block is fixedly connected with the plug screw 4.

Further, in the embodiment, the replaceable reduction gearbox, the motor fixing seat integrated part 11 and the top cover cushion block form a closed box body, and lubricating grease is filled in the closed box body;

the wire arranging disc further comprises a graphite copper sleeve and a gasket, the graphite copper sleeve and the gasket are installed on the outer side of each plug screw 4, and an inner ring hole of the wire arranging disc 19 and the plug screw form a revolute pair through the graphite copper sleeve.

Further, the exposed surface of the external drive end cover 7 is provided with an external hexagonal protrusion structure in the embodiment, and the external hexagonal protrusion structure is exposed outside through the round hole of the top cover cushion block and the round hole of the top cover plate 8.

Further, including first metal sheet and second metal sheet in this embodiment, imbed first metal sheet between motor fixing base integrated part 11 and the motor 2, motor fixing base integrated part 11 imbeds the second metal sheet, and first metal sheet and second metal sheet outline are regular polygon, and the polygon recess of cooperation stopper screw bottom is seted up to the outline of first metal sheet.

The device comprises a large expansion sleeve screw 12, wherein a large expansion sleeve screw hole is formed in a large expansion sleeve 3, and the large expansion sleeve screw hole is fixedly connected with the external environment through the large expansion sleeve screw 12.

The output ring is a polygonal plate, and the external drive end cover 7 is a cylinder with a step groove on the external vertical surface; the top cover plate 8 is cylindrical with a round hole in the center; the outer side surface of the motor fixing seat integrated part 11 is provided with a cylinder with a step-shaped groove, and the bottom of the motor fixing seat integrated part 11 is provided with a motor groove matched with the motor 2; the middle shaft cushion block 13 is a cylinder with a round through hole in the center; the double-layer eccentric center shaft 14 is a cylinder with a circular through hole in the center; the small tensioning sleeve 15 is a cylinder with a circular through hole in the center; the pin fixing plate 18 is a cylinder with a round through hole in the center; the reduction box cushion block 21 is circular.

The motor fixing seat 1 is a 3508 motor fixing seat, the motor 2 is a 3508 Dajiang motor, the large expansion sleeve 3, the stop-beating screw 4, the bearing 9, the output ring screw 10, the large expansion sleeve screw 12, the small expansion sleeve 15, the thrust bearing 16, the needle wheel disc bearing 17, the cycloid disc 19 and the cycloid disc bearing 20 are various types which can be adopted in the prior art, and a person skilled in the art can select a proper type according to actual requirements.

Example two

The device provides the following scheme:

an externally-mounted cycloidal speed reducer based on a Da Jiang 3508 motor comprises a 3508 motor fixing seat, a replaceable reduction box, an output ring and a top cover with an external drive function, wherein the 3508 motor fixing seat is fixedly connected with the 3508 motor, a 3508 motor fixing seat integrated piece is arranged at the top of the 3508 motor, 6 stuffing screws are embedded in the 3508 motor fixing seat integrated piece, a bearing is arranged outside the 3508 motor fixing seat integrated piece, and the output ring is arranged outside the bearing;

the swing disc is arranged on the double-layer eccentric center shaft through the swing disc bearing, an inner ring hole of the swing disc and the plug screw form a revolute pair, the double-layer eccentric center shaft is fixedly connected with a 3508 motor output shaft, a swing line surface outside the swing disc and the pinwheel disc bearing form a revolute pair, the pinwheel disc bearing is connected on the pin in series, the pin is fixed on the pin fixing plate, the reduction box cushion block is arranged between the two layers of pin fixing plates, and an output ring, the reduction box cushion block and the pin fixing plate are fixedly connected together through screws;

a middle shaft cushion block is sleeved on an output shaft of the 3508 motor between the 3508 motor fixing seat integrated piece and the double-layer eccentric middle shaft, and a thrust bearing is arranged outside the middle shaft cushion block; an external drive end cover 7 is arranged on the upper portion of the double-layer eccentric center shaft and fixed on a 3508 motor output shaft through screws, a groove of the external drive end cover 7 is matched with screws of the small tensioning sleeve, a thrust bearing is arranged outside the external drive end cover 7, a top cover cushion block is arranged outside the thrust bearing, an inner ring hole formed by the top cover cushion block and the 6 plug screws is fixedly connected, another bearing is arranged outside the top cover cushion block, another output ring is arranged outside the bearing, and a top cover plate is arranged above the top cover cushion block.

3508 motor fixing base links firmly with 3508 motor through the big tight cover that rises, and the big tight cover that rises wraps up former 3508 motor's reducing gear box and output terminal cover portion simultaneously, and the screw hole that the tight cover that rises greatly is the mounting hole of whole speed reducer and external mounting promptly.

The replaceable reduction gearbox consists of a double-layer eccentric center shaft, a cycloid disc bearing, a cycloid disc gasket, a needle wheel disc bearing, a pin fixing plate, a small tensioning sleeve and a reduction gearbox gasket, the replaceable reduction gearbox, a 3508 motor fixing seat integrated part and a top cover gasket form a closed box body, a speed reduction structure is not exposed, lubricating grease is filled in the closed box body, and the double-layer eccentric center shaft is fixedly connected with a 3508 motor output shaft through the small tensioning sleeve.

3508 the motor fixing base integrated piece is embedded with 6 stopper screws, each stopper screw is externally provided with a graphite copper sleeve and a gasket, and the inner ring hole of the cycloid disc and the stopper screw form a revolute pair through the graphite copper sleeve.

An external drive end cover 7 is arranged at the upper part of the double-layer eccentric center shaft and is fixed on a 3508 motor output shaft through screws, a groove of the external drive end cover 7 is matched with the screws of the small tensioning sleeve, and an external hexagonal protrusion structure is designed on the exposed surface of the external drive end cover 7 and is exposed outside through a round hole in the middle of the top cover cushion block and the top cover plate.

3508 motor fixing base integrated part and 3508 motor contact's face and all imbed the metal sheet with the face of fixed screw contact, and the outline is regular polygon, and the outline of the metal sheet with the face embedding of 3508 motor contact has the hexagonal type screw head matched with polygon recess with the stopper screw of embedding 3508 motor fixing base integrated part.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.

Claims (10)

1. An externally-hung cycloidal speed reducer is characterized in that,

comprises a motor (2), a replaceable reduction gearbox (6), a dial bearing (17) and a cycloid disc (19), wherein the replaceable reduction gearbox (6) comprises a double-layer eccentric center shaft (14) and a cycloid disc bearing (20),

the needle wheel disc bearing (17) is sleeved and installed on the cycloid disc (19), the cycloid disc (19) is located inside the needle wheel disc bearing (17), the cycloid disc (19) is sleeved and installed on the double-layer eccentric center shaft (14) through the cycloid disc bearing (20), an inner annular hole of the cycloid disc (19) and the plug screw (4) form a revolute pair, and the double-layer eccentric center shaft (14) is fixedly connected with an output shaft of the motor (2).

2. An externally-hung cycloidal reducer according to claim 1,

the motor fixing seat comprises a motor fixing seat (1) and a large expansion sleeve (3), wherein the motor fixing seat (1) is fixedly connected with a motor (2), and the motor fixing seat (1) is fixedly connected with the motor (2) through the large expansion sleeve (3).

3. An externally-hung cycloidal reducer according to claim 1,

including a plurality of stopper beat screw (4), output ring (5), bearing (9) and motor fixing base integrated part (11), motor fixing base integrated part (11) are installed at motor (2) top, and motor fixing base integrated part (11) are vertical embedded to have a plurality of stopper to beat screw (4), and motor fixing base integrated part (11) outside cover is established and is installed bearing (9), and bearing (9) outside cover is established and is installed output ring (5).

4. An externally-hung cycloidal reducer according to claim 3,

the replaceable reduction gearbox (6) comprises a pin, a plurality of pin fixing plates (18), a small tensioning sleeve (15), a reduction gearbox gasket and a reduction gearbox cushion block (21),

an outer cycloid surface of the cycloid disc (19) and the pinwheel disc bearing (17) form a revolute pair, the pinwheel disc bearing (17) is connected on the pins in series, and a plurality of pin fixing plates (18) are distributed on the upper side and the lower side of the pinwheel disc bearing (17);

the pin is fixed on the pin fixing plate (18), the reduction gearbox cushion block (21) is positioned in the middle of the pin fixing plate (18), and the output ring (5), the reduction gearbox cushion block (21) and the pin fixing plate (18) are fixedly connected;

the small tensioning sleeve (15) is sleeved on the output shaft of the motor (2), and the double-layer eccentric center shaft (14) is fixedly connected with the output shaft of the motor (2) through the small tensioning sleeve (15).

5. An externally-hung cycloidal reducer according to claim 3,

the motor fixing seat comprises a middle shaft cushion block (13), wherein the middle shaft cushion block (13) is positioned between a motor fixing seat integrated piece (11) and a double-layer eccentric middle shaft (14), and the middle shaft cushion block (13) is sleeved on an output shaft of a motor (2).

6. An externally-hung cycloidal reducer according to claim 4 in which,

the motor comprises an external drive end cover (7) and a thrust bearing (16), wherein the external drive end cover (7) is arranged on the upper portion of a double-layer eccentric center shaft (14), the external drive end cover (7) is sleeved and fixed on an output shaft of a motor (2), a groove is formed in the bottom of the external drive end cover (7), the groove is fixedly connected with a small tensioning sleeve (15) in a matched mode, and the thrust bearing (16) is installed on the outer side of the external drive end cover (7).

7. An externally-hung cycloidal reducer according to claim 6 in which,

the hydraulic lifting device comprises a top cover cushion block, a second bearing, a second output ring and a top cover plate (8), wherein the second bearing is sleeved outside the top cover cushion block, the top cover plate (8) is arranged above the top cover cushion block and the second bearing, and the second output ring is sleeved outside the second bearing;

a top cover cushion block is installed on the outer side of the thrust bearing (16), and an inner annular hole formed in the top cover cushion block is fixedly connected with the plug screw (4).

8. An externally-hung cycloidal reducer according to claim 7 in which,

the replaceable reduction gearbox, the motor fixing seat integrated part (11) and the top cover cushion block form a closed box body, and lubricating grease is filled in the closed box body;

the wire arranging disc further comprises a graphite copper sleeve and a gasket, the graphite copper sleeve and the gasket are installed on the outer side of each plug screw (4), and an inner ring hole of the wire arranging disc (19) and the plug screw form a revolute pair through the graphite copper sleeve.

9. An externally-hung cycloidal reducer according to claim 8 in which,

an outer hexagonal protrusion structure is arranged on the exposed surface of the outer drive end cover (7), and is exposed outside through a round hole of the top cover cushion block and a round hole of the top cover plate (8).

10. An externally-hung cycloidal reducer according to claim 3 in which,

including first metal sheet and second metal sheet, embedding first metal sheet between motor fixing base integrated part (11) and motor (2), motor fixing base integrated part (11) embedding second metal sheet, first metal sheet and second metal sheet outline are regular polygon, and the polygon recess of cooperation stopper screw bottom is seted up to the outline of first metal sheet.

Images