CN217683063U

CN217683063U - Rotary speed reducer with good waterproof effect

Info

Publication number: CN217683063U
Application number: CN202123355772.1U
Authority: CN
Inventors: 黄景; 顾晓龙
Original assignee: Cosen Transmission Equipment Changzhou Co ltd
Current assignee: Cosen Transmission Equipment Changzhou Co ltd
Priority date: 2021-12-29
Filing date: 2021-12-29
Publication date: 2022-10-28
Anticipated expiration: 2031-12-29

Abstract

The utility model relates to a slewing reducer that water-proof effects is good, including worm subassembly and worm wheel subassembly, the worm subassembly includes worm wheel and casing, and the worm wheel setting is in the casing, and the worm subassembly includes driving motor and worm, and the casing is stretched out at the both ends of worm setting in the casing and worm, worm and worm wheel intermeshing, and the one end and the driving motor transmission of worm are connected, and the other end of worm has cup jointed seal assembly. The utility model has the advantages that: when raining, airflow blown out by the air blowing mechanism forms an isolated air curtain through the air guide groove to carry out primary sealing on rainwater, and a sealing structure formed by the sealing ring and the sealing groove carries out secondary sealing, so that the probability of rainwater invading the interior of the rotary speed reducer can be effectively reduced, and the stability and the reliability of the operation of the rotary speed reducer are improved; the air flow disturbance at the worm position can be accelerated through the air isolation curtain, so that the stay time of rainwater on the worm is reduced, and the probability of damage or corrosion of the worm is reduced.

Description

Rotary speed reducer with good waterproof effect

Technical Field

The utility model belongs to the technical field of the reduction gear processing, especially, relate to a rotary reducer that water-proof effects is good.

Background

The slewing bearing type slewing reducer mainly comprises a slewing bearing, a base, a worm and the like, and has the advantages of simple structure, large transmission ratio, self-locking capability, capability of bearing larger axial force, radial force, tilting moment and the like. At present, a sealing strip between an inner ring and an outer ring of a traditional slewing bearing is arranged on the outer ring, and an inner hole of the outer ring is communicated with a raceway of the outer ring. When the rotary speed reducer is applied to the solar light Fu Ping single-shaft linkage tracking system, the rotary speed reducer is vertically installed, and due to the fact that sealing strips are poor in sealing effect, rainwater can easily enter the inner ring raceway and the outer ring raceway and the inside of the speed reducer when the rainwater hits the surface A, and use faults are caused.

SUMMERY OF THE UTILITY MODEL

In order to overcome at least partial problem among the prior art, the utility model provides a pair of slewing reducer that water-proof effects is good can reduce the rainwater and invade inside probability, improves water-proof effects.

The utility model relates to a slewing reducer with good waterproof effect, including worm subassembly and worm wheel subassembly, the worm subassembly includes worm wheel and casing, the worm wheel sets up in the casing, the worm subassembly includes driving motor and worm, the worm sets up in the casing and the both ends of worm stretch out of the casing, the worm with the worm wheel intermeshing, one end of worm with driving motor transmission is connected, the other end of worm cup joints seal assembly;

the sealing assembly comprises a sealing sleeve, a connecting plate and an air blowing mechanism, the connecting plate and the sealing sleeve are integrally formed, a sealing ring is connected onto the sealing sleeve, a sealing groove is formed in the shell, the sealing ring extends into the sealing groove, an air guide channel is further formed in the sealing sleeve and is connected with an annular air guide groove, the air blowing mechanism is communicated with the air guide groove, the air guide groove is formed in the inner wall of the sealing sleeve, and an air flow blown out by the air blowing mechanism passes through the air guide groove to form an isolated air curtain.

Further, blower mechanism includes air exhauster and shunt tubes, the air inlet of shunt tubes with the gas outlet of air exhauster is connected, the shunt tubes is connected with 2 outlet ducts, the quantity of wind-guiding passageway is 2, 2 the outlet duct is with different the wind-guiding passageway is connected.

Further, the exhaust fan is connected to the outer wall of the connecting plate or the sealing sleeve, and the connecting plate is connected with the shell through a bolt.

Further, the shunt tubes include the T venturi tube and set up the intraductal reposition of redundant personnel piece of T venturi tube, the T venturi tube includes T venturi tube body, 1 inlet port and 2 ventholes, 2 the coaxial setting of venthole, the reposition of redundant personnel piece is connected on the T venturi tube body just reposition of redundant personnel piece with the coaxial setting of inlet port.

Further, the flow dividing block comprises a first flow dividing surface and a second flow dividing surface, the first flow dividing surface faces one of the air outlet holes, and the second flow dividing surface faces the other air outlet hole.

Furthermore, the air guide groove is obliquely formed in the inner wall of the sealing sleeve, and airflow blown out by the air blowing mechanism forms an extending end which isolates the air curtain from being far away from the driving motor towards the worm through the air guide groove.

Furthermore, an annular sealing ring is sleeved on the sealing ring, and at least part of the annular sealing ring extends into the sealing groove.

Compared with the prior art, the beneficial effects of the utility model are that: when raining, airflow blown out by the air blowing mechanism forms an isolated air curtain through the air guide groove to carry out primary sealing on rainwater, and a sealing structure formed by the sealing ring and the sealing groove carries out secondary sealing, so that the probability of rainwater invading the interior of the rotary speed reducer can be effectively reduced, and the stability and the reliability of the operation of the rotary speed reducer are improved; the air flow disturbance at the worm position can be accelerated through the air isolation curtain, so that the stay time of rainwater on the worm is reduced, and the probability of damage or corrosion of the worm is reduced.

Drawings

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

FIG. 2 is an enlarged view of a portion A of FIG. 1;

fig. 3 is a partially enlarged view of a portion B in fig. 2.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

Referring to fig. 1-3, the present invention provides a technical solution: a rotary speed reducer with a good waterproof effect comprises a worm assembly 1 and a worm wheel assembly 2, wherein the worm assembly 1 comprises a worm wheel 11 and a shell 12, the worm wheel 11 is arranged in the shell 12, the worm assembly 2 comprises a driving motor 21 and a worm 22, the worm 22 is arranged in the shell 12, two ends of the worm 22 extend out of the shell 12, the worm 22 and the worm wheel 11 are meshed with each other, one end of the worm 22 is in transmission connection with the driving motor 21, and the other end of the worm 22 is sleeved with a sealing assembly 3;

the sealing assembly 3 comprises a sealing sleeve 31, a connecting plate 32 and an air blowing mechanism 33, the connecting plate 32 and the sealing sleeve 31 are integrally formed, a sealing ring 34 is connected to the sealing sleeve 31, a sealing groove 121 is formed in the shell 12, the sealing ring 34 extends into the sealing groove 121, an air guide channel 311 is further formed in the sealing sleeve 31, the air guide channel 311 is connected with an annular air guide groove 312, the air blowing mechanism 33 is communicated with the air guide groove 312, the air guide groove 312 is formed in the inner wall of the sealing sleeve 31, and air flow blown out by the air blowing mechanism 33 is formed into an isolated air curtain 4 through the air guide groove 121.

In the above embodiment, the blowing mechanism 33 includes an exhaust fan 331 and a branch pipe 332, an air inlet of the branch pipe 332 is connected to an air outlet of the exhaust fan 331, the branch pipe 332 is connected to 2 air outlet pipes 333, the number of the air guide channels 311 is 2, and the 2 air outlet pipes 333 are connected to different air guide channels 311.

In the above embodiment, the suction fan 331 is connected to the connecting plate 32 or the outer wall of the sealing sleeve 31, and the connecting plate 32 is connected to the housing 12 by a bolt.

In the above embodiment, the flow dividing pipe 332 comprises a T-shaped pipe 3321 and a flow dividing block 3322 arranged in the T-shaped pipe 3321, the T-shaped pipe 3321 comprises a T-shaped pipe body 3321-1, 1 air inlet hole 3321-2 and 2 air outlet holes 3321-3,2, the air outlet holes 3321-3 are coaxially arranged, the flow dividing block 3322 is connected to the T-shaped pipe body 3321-1, and the flow dividing block 3322 and the air inlet holes 3321-2 are coaxially arranged.

In the above embodiment, the dividing block 3322 includes the first dividing surface 3322-1 and the second dividing surface 3322-2, the first dividing surface 3322-1 faces one of the air outlets 3321-3, and the second dividing surface 3322-2 faces the other air outlet 3321-3.

In the above embodiment, the air guiding groove 312 is obliquely formed on the inner wall of the sealing sleeve 31, and the air flow blown by the blowing mechanism 33 forms an isolation air curtain towards the extending end of the worm 22 away from the driving motor 21 through the air guiding groove 312.

In the above embodiment, an annular sealing ring (not shown) is further sleeved on the sealing ring 34, and the annular sealing ring at least partially extends into the sealing groove 121.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. The utility model provides a slewing reducer that water-proof effects is good which characterized in that: the worm assembly comprises a worm wheel and a shell, the worm wheel is arranged in the shell, the worm assembly comprises a driving motor and a worm, the worm is arranged in the shell, two ends of the worm extend out of the shell, the worm is meshed with the worm wheel, one end of the worm is in transmission connection with the driving motor, and the other end of the worm is sleeved with a sealing assembly;

2. The slewing reducer with good waterproof effect according to claim 1, characterized in that: the air blowing mechanism comprises an exhaust fan and a shunt pipe, wherein an air inlet of the shunt pipe is connected with an air outlet of the exhaust fan, the shunt pipe is connected with 2 air outlet pipes, the number of the air guide channels is 2, and 2 air outlet pipes are different from the air guide channels.

3. The slewing reducer with good waterproof effect according to claim 2, wherein: the exhaust fan is connected to the outer wall of the connecting plate or the sealing sleeve, and the connecting plate is connected with the shell through a bolt.

4. The slewing reducer with good waterproof effect according to claim 2, wherein: the shunt tubes includes the T venturi tube and sets up the intraductal shunting block of T venturi tube, the T venturi tube includes T venturi tube body, 1 inlet port and 2 ventholes, 2 the coaxial setting of venthole, shunting block is connected just on the T venturi tube body shunting block with the coaxial setting of inlet port.

5. The slewing reducer with good waterproof effect according to claim 4, wherein: the flow dividing block comprises a first flow dividing surface and a second flow dividing surface, the first flow dividing surface faces one of the air outlets, and the second flow dividing surface faces the other air outlet.

6. The slewing reducer with good waterproof effect according to claim 1, wherein: the air guide groove is obliquely formed in the inner wall of the sealing sleeve, and airflow blown out by the air blowing mechanism forms an extended end which isolates the air curtain and is far away from the driving motor towards the worm through the air guide groove.

7. The slewing reducer with good waterproof effect according to claim 1, wherein: and the sealing ring is also sleeved with an annular sealing ring, and at least part of the annular sealing ring extends into the sealing groove.