CN212564230U

CN212564230U - Circular arc tooth worm gear speed reducer for port crane

Info

Publication number: CN212564230U
Application number: CN202021275500.3U
Authority: CN
Inventors: 陈波
Original assignee: Wuxi Bohua Machinery Manufacturing Co ltd
Current assignee: Wuxi Bohua Machinery Manufacturing Co ltd
Priority date: 2020-07-03
Filing date: 2020-07-03
Publication date: 2021-02-19
Anticipated expiration: 2030-07-03

Abstract

The utility model discloses an arc tooth worm gear speed reducer for a port crane, which relates to the technical field of speed reducer design and comprises a cover body and a speed reducer, wherein the speed reducer is arranged inside the cover body; the reduction gear teeth and the reduction worm are perpendicular to each other, and the reduction teeth of the reduction gear teeth are matched with the worm threads of the reduction worm. The speed reduction worm and the reduction gear teeth formed by the worm veins, the worm front bearing, the worm rear bearing, the sealing ring and the output key, the gear disc, the speed reduction teeth, the front end bearing, the rubber ring, the input shaft, the input key and the rear end bearing realize the function of rotating the input and the output by ninety degrees and meet more use working conditions and requirements.

Description

Circular arc tooth worm gear speed reducer for port crane

Technical Field

The utility model relates to a reduction gear design technical field specifically is a harbour crane is with circular arc tooth worm gear speed reducer machine.

Background

In addition, most of the conventional speed reducers have single-direction input and output, and cannot realize input and output of steering or need to realize steering by multiple parts, so that a steering speed reducer with a simple structure is needed.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a harbour crane is with circular arc tooth worm gear speed reducer ware possesses the advantage that input/output turned to, has solved the speed reducer and has turned to the many problems of part.

The utility model discloses a solve above-mentioned technical problem, provide following technical scheme: a circular-arc-tooth worm gear speed reducer for a port crane comprises a cover body and a speed reducer, wherein the speed reducer is installed inside the cover body; the cover body comprises an upper shell and a lower base; the upper shell comprises a handle, radiating fins, a dust cover and a fixing bolt, the main body of the upper shell is a cylindrical cavity, the radiating fins are longitudinally arranged on the surface of the cylindrical cavity, the handle is arranged in the center of the upper part of the outer surface of the cylindrical cavity, and the dust cover is arranged at the end part of the cylindrical cavity; the lower base comprises reinforcing ribs, a support cover and bolts, the reinforcing ribs are arranged on two side faces of the lower base, the support cover is fixed to the top of the side face of the lower base through the bolts, and the reinforcing ribs are arranged below the support cover; the speed reducer comprises a speed reducing worm and speed reducing gear teeth, the speed reducing worm comprises a worm thread, a worm front bearing, a worm rear bearing, a sealing ring and an output key, the worm thread is surrounded on the outer side of the middle of a speed reducing worm cylinder, the worm front bearing is arranged at the front end of the speed reducing worm, the worm rear bearing is arranged at the rear end of the speed reducing worm, the two sealing rings are arranged at the position where the front end of the worm front bearing is tightly attached to the outer surface of the speed reducing worm and the position where the rear end of the worm rear bearing is tightly attached to the outer surface of the speed reducing worm, and the output key is arranged at the end part of the output end of the speed; the speed reducing gear teeth comprise a fluted disc, speed reducing teeth, a front end bearing, a rubber ring, an input shaft, an input key and a rear end bearing, the fluted disc, the front end bearing, the rubber ring and the rear end bearing are all concentrically arranged on the input shaft, the speed reducing teeth are arranged outside the fluted disc, and the rubber ring is arranged at the front part of the front end bearing and the rear part of the rear end bearing; the reduction gear teeth and the reduction worm are perpendicular to each other, and the reduction teeth of the reduction gear teeth are matched with the worm threads of the reduction worm.

Further, the radiating fins are equidistantly arranged along the circumferential direction of the cylindrical cavity, and ten radiating fins are arranged.

Further, the dust cover is internally provided with internal threads, external threads are arranged on the outer side of the end part of the cylindrical cavity, and the dust cover is tightly connected with the cylindrical cavity through the matching of the internal threads and the external threads.

Further, the reinforcing ribs are vertically arranged and are arranged at equal intervals.

Furthermore, the speed reduction teeth are arranged outside the fluted disc along the circumferential direction of the side surface.

Furthermore, the speed reduction teeth are arranged outside the fluted disc at equal intervals along the circumferential direction of the side surface.

Further, the number of the reduction teeth is even.

Compared with the prior art, the circular-arc-tooth worm gear speed reducer for the port crane has the following beneficial effects:

1. the utility model discloses a reduction worm that worm line, worm front bearing, worm rear bearing, sealing washer and output key constitute can reduce the setting of part through the setting of worm line to can realize the speed reduction by a wide margin, practice thrift cost and space.

2. The utility model discloses a reduction worm and the reduction teeth of a cogwheel that fluted disc, speed reduction tooth, front end bearing, rubber circle, input shaft, input key and rear end bearing that worm line, worm front bearing, worm rear bearing, sealing washer and output key constitute have realized the function of ninety degrees of rotatory input/output, have satisfied more use operating mode and demand.

Drawings

FIG. 1 is a schematic view of the main structure of the present invention;

fig. 2 is a first view of the reduction gear of the present invention;

fig. 3 is a second view of the reduction gear of the present invention.

In the figure: 1-cover body, 2-speed reducing device, 101-upper shell, 1011-handle, 1012-radiating fin, 1013-dust cover, 1014-fixing bolt, 102-lower base, 1021-reinforcing rib, 1022-supporting cover, 1023-bolt, 201-speed reducing worm, 2011-worm pattern, 2012-worm front bearing, 2013-worm rear bearing, 2014-sealing ring, 2015-output key, 202-speed reducing gear tooth, 2021-fluted disc, 2022-speed reducing tooth, 2023-front end bearing, 2024-rubber ring, 2025-input shaft, 2026-input key and 2027-rear end bearing.

Detailed Description

Referring to fig. 1-3, the present invention provides a technical solution: a circular-arc-tooth worm gear speed reducer for a port crane comprises a cover body 1 and a speed reducer 2, wherein the speed reducer 2 is arranged in the cover body 1; the cover 1 comprises an upper shell 101 and a lower base 102; the upper housing 101 includes a handle 1011, heat radiating fins 1012, a dust cover 1013 and fixing bolts 1014, the main body of the upper housing 101 is a cylindrical cavity having the heat radiating fins 1012 arranged along the longitudinal direction, the handle 1011 is provided at the center of the upper part of the outer surface of the cylindrical cavity, the dust cover 1013 is provided at the end of the cylindrical cavity; the lower base 102 comprises a reinforcing rib 1021, a support cover 1022 and a bolt 1023, wherein the reinforcing rib 1021 is arranged on two side surfaces of the lower base 102, the support cover 1022 is fixed on the top of the side surface of the lower base 102 through the bolt 1023, and the reinforcing rib 1021 is arranged below the support cover 1022; the speed reducer 2 comprises a speed reducing worm 201 and speed reducing gear teeth 202, the speed reducing worm 201 comprises a worm profile 2011, a worm front bearing 2012, a worm rear bearing 2013, a sealing ring 2014 and an output key 2015, the worm profile 2011 surrounds the outer side of the middle of the cylinder of the speed reducing worm 201, the worm front bearing 2012 is arranged at the front end of the speed reducing worm 201, the worm rear bearing 2013 is arranged at the rear end of the speed reducing worm 201, the two sealing rings 2014 are arranged at the positions, close to the outer surface, of the front end of the worm front bearing 2012 and the positions, close to the outer surface, of the rear end of the worm rear bearing 2013, and the end of the output end of the speed reducing worm 201 is provided with the output key; the speed reduction gear teeth 202 comprise a fluted disc 2021, speed reduction teeth 2022, a front end bearing 2023, a rubber ring 2024, an input shaft 2025, an input key 2026 and a rear end bearing 2027, wherein the fluted disc 2021, the front end bearing 2023, the rubber ring 2024 and the rear end bearing 2027 are all concentrically arranged on the input shaft 2025, the speed reduction teeth 2022 are arranged outside the fluted disc 2021, and the rubber ring 2024 is arranged at the front part of the front end bearing 2023 and the rear part of the rear end bearing 2027; the reduction gear teeth 202 and the reduction worm 201 are arranged perpendicular to each other, and the reduction teeth 2022 of the reduction gear teeth 202 are engaged with the worm threads 2011 of the reduction worm 201. The fins 1012 are arranged equidistantly along the circumferential direction of the cylindrical cavity, for a total of ten fins. The dust cover 1013 is internally provided with internal threads, the outer side of the end of the cylindrical cavity is provided with external threads, and the dust cover 1013 and the cylindrical cavity are tightly connected through the matching of the internal and external threads. The reinforcing ribs 1021 are arranged vertically, and the reinforcing ribs 1021 are arranged at equal intervals. The reduction teeth 2022 are provided outside the toothed plate 2021 in the side circumferential direction. The reduction teeth 2022 are provided outside the toothed plate 2021 at equal intervals in the side circumferential direction. The number of the reduction teeth 2022 is even. The reduction worm 201 formed by the worm profile 2011, the worm front bearing 2012, the worm rear bearing 2013, the sealing ring 2014 and the output key 2015 can reduce the arrangement of parts through the arrangement of the worm profile 2011, can realize great reduction, and saves cost and space. The speed reduction worm 201 and the speed reduction gear tooth 202 which are formed by the worm profile 2011, the worm front bearing 2012, the worm rear bearing 2013, the sealing ring 2014 and the output key 2015, the speed reduction gear tooth 2022, the front end bearing 2023, the rubber ring 2024, the input shaft 2025, the input key 2026 and the rear end bearing 2027 realize the function of rotating input and output by ninety degrees, and meet more use working conditions and requirements.

The utility model discloses well worm gear speed reducer is for the wide application that has disclosed and daily life's known technique, and the worm gear speed reducer is a power transmission mechanism, utilizes the speed converter of gear, slows down the gyration number of motor (motor) to the gyration number of wanting to obtain the mechanism of great torque. In a mechanism for transmitting power and motion, a reduction gear has a wide range of applications. A worm gear reducer is a power transmission mechanism that uses a gear speed converter to reduce the number of revolutions of a motor (motor) to a desired number of revolutions and obtain a large torque. In a mechanism for transmitting power and motion, a reduction gear has a wide range of applications. The trace of the transmission system can be seen in various machines, such as ships, automobiles, locomotives of vehicles, heavy equipment for buildings, processing equipment and automatic production equipment used in the mechanical industry, common household appliances in daily life, clocks and watches, and the like. The application of the speed reducer can be seen from the transmission work of large power, to the transmission of small load and accurate angle, and in industrial application, the speed reducer has the functions of reducing speed and increasing torque.

When the power-driven device is used, the power shaft of the driving machine is connected with the input shaft 2025 of the speed reducer through the input key 2026, then the power shaft of the external device is connected through the output key 2015, and then the driving machine is started, so that the driving machine provides kinetic energy for the external device through the speed reducer.

In summary, the reduction worm 201 composed of the worm profile 2011, the worm front bearing 2012, the worm rear bearing 2013, the seal ring 2014 and the output key 2015 can reduce the number of parts by the arrangement of the worm profile 2011, can realize large reduction, and saves cost and space. The speed reduction worm 201 and the speed reduction gear tooth 202 which are formed by the worm profile 2011, the worm front bearing 2012, the worm rear bearing 2013, the sealing ring 2014 and the output key 2015, the speed reduction gear tooth 2022, the front end bearing 2023, the rubber ring 2024, the input shaft 2025, the input key 2026 and the rear end bearing 2027 realize the function of rotating input and output by ninety degrees, and meet more use working conditions and requirements.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

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 appended claims and their equivalents.

Claims

1. The utility model provides a harbour crane is with circular arc tooth worm gear speed reducer machine, includes the cover body (1) and decelerator (2), its characterized in that: the speed reducer (2) is arranged in the cover body (1); the cover body (1) comprises an upper shell (101) and a lower base (102); the upper shell (101) comprises a handle (1011), a heat radiating fin (1012), a dust cover (1013) and a fixing bolt (1014), the main body of the upper shell (101) is a cylindrical cavity, the heat radiating fin (1012) is arranged on the surface of the cylindrical cavity along the longitudinal direction, the handle (1011) is arranged at the upper center of the outer surface of the cylindrical cavity, and the dust cover (1013) is arranged at the end part of the cylindrical cavity; the lower base (102) comprises reinforcing ribs (1021), a support cover (1022) and bolts (1023), wherein the reinforcing ribs (1021) are arranged on two side surfaces of the lower base (102), the support cover (1022) is fixed on the top of the side surface of the lower base (102) through the bolts (1023), and the reinforcing ribs (1021) are arranged below the support cover (1022); the speed reducing device (2) comprises a speed reducing worm (201) and speed reducing gear teeth (202), the speed reducing worm (201) comprises a worm line (2011), a worm front bearing (2012), a worm rear bearing (2013), a sealing ring (2014) and an output key (2015), the worm line (2011) surrounds the outer side of the middle of the cylinder of the speed reducing worm (201), the worm front bearing (2012) is arranged at the front end of the speed reducing worm (201), the worm rear bearing (2013) is arranged at the rear end of the speed reducing worm (201), two sealing rings (2014) are arranged at the position where the front end of the worm front bearing (2012) is tightly attached to the outer surface of the speed reducing worm and at the position where the rear end of the worm rear bearing (2013) is tightly attached to the outer surface of the speed reducing worm (201), and the output key (2015) is arranged at the end of the output end of the speed reducing worm; the speed reducing gear teeth (202) comprise a fluted disc (2021), a speed reducing tooth (2022), a front end bearing (2023), a rubber ring (2024), an input shaft (2025), an input key (2026) and a rear end bearing (2027), the fluted disc (2021), the front end bearing (2023), the rubber ring (2024) and the rear end bearing (2027) are concentrically arranged on the input shaft (2025), the speed reducing tooth (2022) is arranged outside the fluted disc (2021), and the rubber ring (2024) is arranged at the front part of the front end bearing (2023) and the rear part of the rear end bearing (2027); the reduction gear teeth (202) and the reduction worm (201) are perpendicular to each other, and the reduction teeth (2022) of the reduction gear teeth (202) are matched with the worm threads (2011) of the reduction worm (201).

2. The circular-arc-tooth worm gear speed reducer for the port crane as claimed in claim 1, wherein: the cooling fins (1012) are equidistantly arranged along the circumferential direction of the cylindrical cavity, and ten cooling fins are arranged in total.

3. The circular-arc-tooth worm gear speed reducer for the port crane as claimed in claim 2, wherein: the dust cover (1013) is internally provided with internal threads, the outer side of the end part of the cylindrical cavity is provided with external threads, and the dust cover (1013) is tightly connected with the cylindrical cavity through the matching of the internal threads and the external threads.

4. The circular-arc-tooth worm gear speed reducer for the port crane as claimed in claim 3, wherein: the reinforcing ribs (1021) are vertically arranged, and the reinforcing ribs (1021) are arranged at equal intervals.

5. The circular-arc-tooth worm gear speed reducer for the port crane as claimed in claim 4, wherein: the speed reduction teeth (2022) are arranged outside the fluted disc (2021) along the circumferential direction of the side surface.

6. The circular-arc-tooth worm gear speed reducer for the port crane as claimed in claim 5, wherein: the speed reduction teeth (2022) are arranged outside the fluted disc (2021) at equal intervals along the circumferential direction of the side surface.

7. The circular-arc-tooth worm gear speed reducer for the port crane as claimed in claim 6, wherein: the number of the speed reducing teeth (2022) is even.