CN217713512U

CN217713512U - High-turbine-strength speed reducer

Info

Publication number: CN217713512U
Application number: CN202221719312.4U
Authority: CN
Inventors: 王峰; 李晨
Original assignee: Jiangsu Nanjing Reducer Co ltd
Current assignee: Jiangsu Nanjing Reducer Co ltd
Priority date: 2022-07-04
Filing date: 2022-07-04
Publication date: 2022-11-01
Anticipated expiration: 2032-07-04

Abstract

The utility model discloses a high turbine intensity speed reducer, include: the speed reducer case and be located inside output shaft and the input axostylus axostyle of speed reducer case, the output shaft is installed in speed reducer case inside and runs through speed reducer case surface's axostylus axostyle and fixed cover including rotating and connects in the worm wheel dish on axostylus axostyle surface, and the fixed surface of axostylus axostyle cup joints the water conservancy diversion vortex dish that is fixed in worm wheel dish one side, and the surface of input axostylus axostyle is equipped with the worm with worm wheel dish surface transmission meshing, and the edge of worm is equipped with the strengthening rib strip with worm wheel dish surface looks butt. The utility model discloses in, through setting up novel input axostylus axostyle structure, set up the stiffener structure in the high strength transmission district of the surperficial edge of worm and worm wheel dish, utilize the stiffener to consolidate the production that bursts at the fracture breach in the worm surface edge avoids the transmission, improve the structural strength of worm on the one hand, on the other hand reduces through the mellow and full structure of stiffener and the worm wheel dish inter-tooth friction, improves resistance to wear.

Description

High-turbine-strength speed reducer

Technical Field

The utility model relates to a turbine speed reducer technical field specifically is high turbine intensity speed reducer.

Background

The speed reducer is an independent component consisting of gear transmission, worm transmission and gear-worm transmission which are enclosed in a rigid shell, is commonly used as a speed reduction transmission device between a prime mover and a working machine, plays a role in matching rotating speed and transmitting torque between the prime mover and the working machine or an actuating mechanism, and is widely applied to modern machinery.

The worm reducer is usually used for a high-torque low-speed transmission mechanism, and the rotation speed is reduced and the output torque is increased after an electric motor and other power with higher rotation speed pass through the worm reducer. The worm reducer is arranged between the motor and the working unit, the motor transmits power, and the worm reducer reduces the speed, so that the rotating speed and the torque are transmitted to the working unit by the output shaft. In the course of the work of speed reducer, speed reducer drive turbine can produce friction and atress, can produce a large amount of heats simultaneously, in order to guarantee life, consequently, need one kind now urgently, have better wear-resisting, heat dispersion, still need to have the high turbine intensity speed reducer of stronger mechanical strength.

SUMMERY OF THE UTILITY MODEL

The utility model discloses aim at solving one of the technical problem that exists among the prior art or the correlation technique.

Therefore, the utility model discloses the technical scheme who adopts does: high turbine strength speed reducer includes: the output shaft comprises a shaft rod which is rotatably installed inside the speed reducer case and penetrates through the surface of the speed reducer case, and a worm wheel disc fixedly sleeved on the surface of the shaft rod, the surface of the shaft rod is fixedly sleeved with a flow guide vortex disc fixed on one side of the worm wheel disc, a worm which is in transmission meshing with the surface of the worm wheel disc is arranged on the surface of the input shaft rod, reinforcing ribs which are abutted to the surface of the worm wheel disc are arranged at the edge of the worm, the flow guide vortex disc comprises a main disc, a chuck plate and turbine blades, the chuck plate is fixedly installed on one side of the main disc, and the number of the turbine blades is a plurality of and is uniformly distributed on the periphery of the main disc in the circumferential direction and is fixedly installed on one side of the chuck plate.

The present invention may be further configured in a preferred embodiment as: the surface of the speed reducer case is provided with a bearing end cover and a shaft sealing cover which are respectively sleeved on the surfaces of the shaft lever and the input shaft lever, a bearing and a dynamic sealing ring are embedded in the bearing end cover, and the bottom surface of the speed reducer case is provided with a filling port.

The present invention may be further configured in a preferred embodiment as: the reinforcing ribs, the worm and the input shaft rod are of an integrated milling and forming structure, the input shaft rod is a ball-milling cast iron material component, and the surface of the worm is subjected to hardening treatment.

The present invention may be further configured in a preferred embodiment as: the cross section of each reinforcing rib is M-shaped, and the surface of each reinforcing rib is of a smooth surface structure.

The present invention may be further configured in a preferred embodiment as: the worm wheel disc is characterized in that a liquid inlet hole is formed in the surface of the worm wheel disc, a plurality of cooling runners and dispersing runners are formed in the worm wheel disc, two ends of each cooling runner are respectively communicated with the liquid inlet hole and a shaft hole of the worm wheel disc, two ends of each dispersing runner are respectively communicated with the inner side of the liquid inlet hole and a peripheral tooth key gap of the worm wheel disc, and the dispersing runners are the same in number and correspond to the peripheral tooth keys of the worm wheel disc one to one.

The present invention may be further configured in a preferred embodiment as: one side of the turbine blade is fixed on the other side of the surface of the chuck plate and is mutually abutted with the surface of the worm wheel disc, the surface of the main disc is provided with a plurality of guide grooves, and the inner sides of the guide grooves are provided with communicating holes.

The present invention may be further configured in a preferred embodiment as: the turbine blades are of arc-shaped blade structures and are uniformly distributed on the periphery of the main disc in the circumferential direction, and the communicating holes are communicated with the liquid inlet holes.

The utility model discloses the beneficial effect who gains does:

1. the utility model discloses in, through setting up novel input axostylus axostyle structure, set up the strengthening rib strip structure in the high strength transmission district of the surperficial edge of worm and worm wheel dish, utilize the strengthening rib strip to consolidate the production of breaking the breach in worm surface edge avoids the transmission, improve the structural strength of worm on the one hand, on the other hand through the round structure of strengthening rib strip reduce with the worm wheel dish inter-tooth friction, improve wear resistance.

2. The utility model discloses in, through the fixed water conservancy diversion whirlpool dish of surface cover at the input axostylus axostyle, follow the synchronous rotation of input axostylus axostyle by the water conservancy diversion whirlpool dish and carry out the water conservancy diversion of the inside cooling lubrication fluid of speed reducer case to the guide slot inside and through the leading-in feed liquor hole of intercommunicating pore, distribute by each cooling channel and dispersion runner and carry out the rapid cooling of worm wheel dish and transship the inside flow of worm wheel dish and lubricate the tooth key contact gap through the escape of tooth key gap, further reduce the motion wearing and tearing of worm wheel dish, and has better wear-resisting, heat dispersion.

Drawings

Fig. 1 is a schematic view of the overall structure of an embodiment of the present invention;

fig. 2 is a schematic view of an output shaft, an input shaft and a diversion scroll transmission according to an embodiment of the present invention;

fig. 3 is a schematic cross-sectional structure view of a diversion scroll according to an embodiment of the present invention;

fig. 4 is a schematic view of a worm wheel structure according to an embodiment of the present invention;

fig. 5 is a schematic view of an input shaft according to an embodiment of the present invention.

Reference numerals:

100. a reduction case; 110. a bearing end cap; 120. a shaft seal cover; 130. a filling port;

200. an output shaft; 210. a shaft lever; 220. a worm gear disc; 221. a liquid inlet hole; 222. a cooling flow channel; 223. a dispersion flow channel;

300. an input shaft; 310. a worm; 311. reinforcing ribs;

400. a diversion scroll pan; 410. a master disk; 420. a chuck; 430. a turbine blade; 411. a guide groove; 412. and a communicating hole.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in detail with reference to the accompanying drawings. It should be noted that the embodiments and features of the embodiments of the present invention may be combined with each other without conflict.

The high turbine strength speed reducer provided by some embodiments of the present invention is described below with reference to the accompanying drawings.

With reference to fig. 1-5, the present invention provides a high turbine strength speed reducer, including: the speed reducer case 100, and be located inside output shaft 200 and the input shaft lever 300 of speed reducer case 100, output shaft 200 is including rotating the shaft lever 210 that installs in speed reducer case 100 inside and run through speed reducer case 100 surface and fix the worm wheel dish 220 that connects in the shaft lever 210 surface, the fixed water conservancy diversion scroll pan 400 that is fixed in worm wheel dish 220 one side that cup joints in the surface of shaft lever 210, the surface of input shaft lever 300 is equipped with the worm 310 with worm wheel dish 220 surface transmission meshing, the edge of worm 310 is equipped with the strengthening rib 311 with worm wheel dish 220 surface looks butt, water conservancy diversion scroll pan 400 includes main dish 410, chuck 420 and turbine leaf 430, chuck 420 fixed mounting is in one side of main dish 410, the quantity of turbine leaf 430 is a plurality of and be circumferential direction evenly distributed in the periphery of main dish 410 and fixed mounting is in one side of chuck 420.

In this embodiment, the surface of the reduction gear box 100 is provided with a bearing end cover 110 and a shaft seal cover 120 respectively sleeved on the surfaces of the shaft 210 and the input shaft 300, a bearing and a dynamic seal ring are embedded in the bearing end cover 110, and the bottom surface of the reduction gear box 100 is provided with a filling port 130.

Specifically, lubricating and cooling oil is filled into the reduction box 100 through the filling port 130, and the oil is prevented from escaping through the sealing at the output shaft 200 and the input shaft 300 by the bearing end cover 110 and the shaft sealing cover 120.

In this embodiment, the reinforcing ribs 311, the worm 310 and the input shaft 300 are integrally formed by milling, the input shaft 300 is a ball-milled cast iron member, the surface of the worm 310 is hardened, the cross section of the reinforcing ribs 311 is M-shaped, and the surface of the reinforcing ribs 311 is a smooth surface structure.

Specifically, the edge of the surface of the worm 310 is reinforced by the reinforcing rib 311 to avoid the occurrence of a breaking notch in transmission, so that the structural strength of the worm 310 is improved, and the smooth reinforcing rib 311 is used as the contact surface of the worm 310 and the worm wheel disc 220 to reduce the friction of a tooth key.

In this embodiment, the surface of the worm wheel 220 is provided with a liquid inlet hole 221, the inside of the worm wheel 220 is provided with a plurality of cooling channels 222 and dispersing channels 223, two ends of the cooling channels 222 are respectively communicated with the liquid inlet hole 221 and the shaft hole of the worm wheel 220, two ends of the dispersing channels 223 are respectively communicated with the inner side of the liquid inlet hole 221 and the peripheral key teeth gap of the worm wheel 220, and the number of the dispersing channels 223 is the same as the number of the peripheral key teeth of the worm wheel 220 and corresponds to one another.

Specifically, the cooling channels 222 and the dispersing channels 223 are distributed in the worm wheel disc 220 to form an oil passage system to dispersedly flow oil in the liquid inlet hole 221, so that heat dissipation in the worm wheel disc 220 is performed, and the external splines of the worm wheel disc 220 are lubricated by diversion of the dispersing channels 223.

In this embodiment, one side of the turbine blade 430 is fixed to the surface of the chuck plate 420, and the other side is abutted against the surface of the worm wheel disk 220, the surface of the main disk 410 is formed with a plurality of guide grooves 411, and the inner sides of the guide grooves 411 are formed with communication holes 412.

Further, the turbine blades 430 are of an arc-shaped blade structure and are uniformly distributed on the periphery of the main disc 410 in the circumferential direction, and the communication hole 412 is communicated with the liquid inlet hole 221.

Specifically, the guide scroll 400 rotates synchronously with the input shaft rod 300, and the guide scroll passes through the turbine blades 430 to guide the cooling lubricant inside the reduction case 100 to the inside of the guide groove 411 and guide the cooling lubricant into the liquid inlet hole 221 through the communication hole 412, so that the flow efficiency of the cooling lubricant is improved.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the claims and their equivalents.

Claims

1. High turbine intensity speed reducer, its characterized in that includes: the speed reducer comprises a speed reducer case (100), an output shaft (200) and an input shaft rod (300) which are located inside the speed reducer case (100), wherein the output shaft (200) comprises a shaft rod (210) which is rotatably installed inside the speed reducer case (100) and penetrates through the surface of the speed reducer case (100) and a worm wheel disc (220) fixedly sleeved on the surface of the shaft rod (210), a flow guide scroll disc (400) fixed on one side of the worm wheel disc (220) is sleeved on the surface of the shaft rod (210), a worm (310) in transmission engagement with the surface of the worm wheel disc (220) is arranged on the surface of the input shaft rod (300), reinforcing ribs (311) abutted to the surface of the worm wheel disc (220) are arranged on the edge of the worm (310), the flow guide scroll disc (400) comprises a main disc (410), a clamping disc (420) and turbine blades (430), the clamping disc (420) is fixedly installed on one side of the main disc (410), and the turbine blades (430) are a plurality of and are uniformly distributed on the periphery of the main disc (410) in the circumferential direction and are fixedly installed on one side of the clamping disc (420).

2. The high-turbine-strength speed reducer according to claim 1, wherein a bearing end cover (110) and a shaft sealing cover (120) which are respectively sleeved on the surfaces of the shaft rod (210) and the input shaft rod (300) are arranged on the surface of the speed reducer case (100), a bearing and a dynamic sealing ring are embedded and mounted in the bearing end cover (110), and a filling port (130) is arranged on the bottom surface of the speed reducer case (100).

3. The high-turbine-strength speed reducer according to claim 1, wherein the reinforcing ribs (311), the worm (310) and the input shaft (300) are of an integrated milling structure, the input shaft (300) is a ball-milled cast iron member, and the surface of the worm (310) is hardened.

4. The high-turbine-strength speed reducer according to claim 1, wherein the cross section of the reinforcing rib (311) is M-shaped, and the surface of the reinforcing rib (311) has a smooth surface structure.

5. The high-turbine-strength speed reducer according to claim 1, wherein a liquid inlet hole (221) is formed in the surface of the worm wheel disc (220), a plurality of cooling channels (222) and dispersing channels (223) are formed in the worm wheel disc (220), two ends of each cooling channel (222) are respectively communicated with the liquid inlet hole (221) and a shaft hole of the worm wheel disc (220), two ends of each dispersing channel (223) are respectively communicated with the inner side of the liquid inlet hole (221) and a peripheral key clearance of the worm wheel disc (220), and the number of the dispersing channels (223) is the same as the number of peripheral keys of the worm wheel disc (220) and corresponds to one another.

6. The high turbine strength speed reducer according to claim 1, wherein one side of the turbine blade (430) is fixed to the surface of the chuck (420), and the other side of the turbine blade is abutted against the surface of the worm wheel disc (220), the surface of the main disc (410) is provided with a plurality of guide grooves (411), and the inner sides of the guide grooves (411) are provided with communication holes (412).

7. The high turbine strength speed reducer according to claim 6, wherein the turbine blades (430) have an arc-shaped blade structure and are uniformly distributed on the outer periphery of the main disc (410) in the circumferential direction, and the communication hole (412) is communicated with the liquid inlet hole (221).