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CN-224229205-U - Bidirectional speed reducer based on symmetrical row design

CN224229205UCN 224229205 UCN224229205 UCN 224229205UCN-224229205-U

Abstract

The utility model relates to the technical field of speed reducers, and discloses a bidirectional speed reducer based on symmetrical row design, which comprises a speed reducer body, a motor and a center shaft, wherein the speed reducer body comprises a shell, a worm wheel and a worm which are in meshed transmission are rotatably arranged in the shell, and the shaft ends of the worms are driven by a motor, the end faces of the two sides of the worm wheel are provided with axially extending center shafts, two adjacent speed reducer bodies are arranged in a row, and torque is transmitted between the two adjacent worms through a transmission assembly. According to the utility model, two-way output is realized by arranging the center shafts on two sides of the worm wheel, the adjacent speed reducer bodies are arranged in a row and torque is transmitted through the transmission component, so that the equipment can adapt to different transmission requirements of single shafts, double shafts and the like by adjusting the number of rows and the output direction without changing the model, the driving working conditions of the photovoltaic plates at different angles can be flexibly applied, stock types can be reduced in batches, the time and the production cost are reduced, and the problem of poor universality of the traditional double-row speed reducer is solved.

Inventors

  • YAN BIN
  • TANG JUN
  • WU DELIN

Assignees

  • 马鞍山经纬新能源传动设备有限公司

Dates

Publication Date
20260512
Application Date
20250717

Claims (9)

  1. 1. The utility model provides a two-way speed reducer based on design of symmetry allies oneself with row, including speed reducer body (1), motor (2), axis (3), speed reducer body (1) include casing (101), the inside rotation of casing (101) is installed intermeshing driven worm wheel (102) and worm (103), and the axle head of worm (103) passes through motor (2) drive, its characterized in that, axis (3) of axial extension are all installed to the both sides terminal surface of worm wheel (102), two adjacent speed reducer body (1) allies oneself with the design of arranging, and pass through drive assembly transmission moment of torsion between two adjacent worm (103).
  2. 2. The bi-directional speed reducer based on the symmetrical row design according to claim 1, wherein the transmission assembly comprises a connecting shaft (4) and a universal joint (5), one end of the connecting shaft (4) is connected with the free end of the worm (103), the other end of the connecting shaft (4) is connected with one end of the universal joint (5), and the other end of the universal joint (5) is connected with the free end of the adjacent worm (103).
  3. 3. The bidirectional speed reducer based on symmetrical row design according to claim 1, wherein an engine oil external filtering mechanism is arranged outside the shell (101), the bidirectional speed reducer comprises a filter cartridge (6), the lower end of the filter cartridge (6) is connected with an oil discharging port (8) at the lower end of the shell (101) through an oil discharging pipe (7), a micro oil pump (11) is arranged at the upper end of the filter cartridge (6) through a bracket (16), the oil discharging end of the micro oil pump (11) is connected with an oil inlet (10) at the upper end of the shell (101) through an oil return pipe (9), and the oil pumping end of the micro oil pump (11) extends downwards into the filter cartridge (6) and pumps filtered engine oil in the filter cartridge (6).
  4. 4. A bi-directional reducer based on a symmetrical row design according to claim 3, characterized in that the inside of the filter cartridge (6) is provided with an oil pumping pipe (12), the upper end of the oil pumping pipe (12) is connected with the oil pumping end of the micro oil pump (11) through a hose, and the lower end of the oil pumping pipe (12) extends into the filter assembly at the bottom of the inner cavity of the filter cartridge (6).
  5. 5. The bidirectional speed reducer based on symmetrical row design according to claim 4, wherein the filter assembly comprises a filter element (13) sleeved on the periphery of the lower end of the oil pumping pipe (12), a partition plate (14) and a bottom plate (15) are respectively arranged at the upper end and the lower end of the filter element (13), the partition plate (14) is annular, the inner wall and the outer wall are respectively sealed with the outer surface of the oil pumping pipe (12) and the inner surface of the filter cartridge (6) in a sliding manner, and the bottom plate (15) is detachably connected with the lower end opening of the filter cartridge (6) and is sealed at the connecting position.
  6. 6. The bi-directional reducer based on the symmetrical row design according to claim 5, wherein a through hole communicated with the lower end of the oil discharging pipe (7) is formed in the side wall of the lower end of the filter cartridge (6), and the through hole is arranged on one side close to the lower end of the filter cartridge (13).
  7. 7. The bidirectional speed reducer based on the symmetrical row design according to claim 5, wherein the filter element (13) is a combined filter element, and comprises a filter membrane and a filter screen which are arranged from inside to outside, the filter membrane comprises an inner ceramic membrane and an outer polymer composite membrane, and the filter screen is used for coarsely filtering large-particle impurities in engine oil.
  8. 8. The bidirectional speed reducer based on symmetrical row design according to claim 5, wherein the inner wall of the lower end opening of the filter cartridge (6) is provided with an internal thread, the upper end surface of the bottom plate (15) is provided with a threaded column and is in threaded connection with the lower end opening of the filter cartridge (6), and the bottom plate (15) is sealed with the lower end surface of the filter cartridge (6) through a sealing ring.
  9. 9. The bidirectional speed reducer based on the symmetrical row design according to claim 3, wherein an oil inlet hopper (17) is arranged at the upper end of the oil inlet (10), the side part of the oil inlet hopper (17) is connected with an oil discharge port of the oil return pipe (9), and an outward-openable feed inlet is arranged at the upper end of the oil inlet hopper (17) for manual feeding of the engine oil additive.

Description

Bidirectional speed reducer based on symmetrical row design Technical Field The utility model relates to the technical field of speed reducers, in particular to a bidirectional speed reducer based on symmetrical row design. Background In the field of new energy photovoltaic power generation, a speed reducer for photovoltaic power generation is being widely applied, and the speed reducer has very important effect as a core transmission component of the whole photovoltaic power generation system. Especially in the scene that needs multiaxis transmission such as new forms of energy photovoltaic power generation, automated production line, traditional duplex row speed reducer is because of structural design limitation, is difficult to satisfy nimble adaptation and Gao Xiaoyun dimension demand, and specific problem is as follows: 1. The universality is extremely poor, various models are needed to be prepared, and the inventory cost is high The traditional double-row speed reducers are designed to be one-way output, different working conditions (such as single-shaft driving and double-shaft tracking of a photovoltaic panel) are required to be matched with different types, a certain photovoltaic power station operator is required to cover 5 transmission requirements, 8 speed reducers are required to be reserved, stock capital overstock is over 50 ten thousand yuan, more seriously, the model mismatch rate is up to 15%, 30 speed reducers are idle due to the fact that the type of the model mismatch rate is up to 15%, 12 ten thousand yuan is lost due to the fact that a certain project is caused by the fact that the speed reducers are mistakenly sent, and the time delay of re-cargo adjustment is 20 days, so that the installation progress of the photovoltaic panel is affected; 2. The requirement on the installation precision of the row is severe, and the construction efficiency is low When the traditional speed reducer is connected, the axis of the worm is required to be aligned strictly, the deviation is required to be controlled within 0.1mm, in the connection installation of a certain 100MW photovoltaic project, the single installation time is up to 2 hours because of the time consumption of the axis alignment, the labor cost is increased by 30 ten thousand yuan compared with the plan, if the traditional speed reducer is forcibly installed, the transmission is blocked, in a certain case, the abrasion rate of the worm is increased by 3 times because of the axis deviation of 0.3mm, the worm needs to be replaced in 6 months, and the maintenance cost is more than 8 ten thousand yuan; 3. difficult engine oil maintenance and frequent remote scene faults The traditional speed reducer is required to be shut down for oil replacement, the photovoltaic power station is located in a remote area, single maintenance and round trip take 2 days, and due to the fact that oil replacement is not timely carried out on a certain power station, 3 speed reducer gears are sintered, and the average service life of the speed reducer is reduced. Along with the large-scale development of photovoltaic power stations, the short plates of the traditional speed reducer in the aspects of universality, installation efficiency and maintenance cost become key factors for restricting project benefits, and the two-way speed reducer with the symmetrical row design of the device is needed to break through the bottleneck. Disclosure of utility model In order to solve the technical problems in the background technology, the utility model provides a bidirectional speed reducer based on a symmetrical row design. The utility model provides a bidirectional speed reducer based on symmetrical row design, which comprises a speed reducer body, a motor and a center shaft, wherein the speed reducer body comprises a shell, a worm wheel and a worm which are in meshed transmission are rotatably arranged in the shell, the shaft ends of the worm are driven by the motor, the end faces of the two sides of the worm wheel are respectively provided with the center shaft which extends axially, two adjacent speed reducer bodies are arranged in rows, and torque is transmitted between the two adjacent worms through a transmission assembly; To traditional duplex row speed reducer commonality poor, need be equipped with the problem of multiple model, this design is through "two-way output + allies oneself with row transmission" realization multi-functional adaptation, the axis of worm wheel both sides can be simultaneously to two direction output moment of torsion, need not extra reversing mechanism, be applicable to scenes such as photovoltaic board biax drive, adjacent speed reducer body is allied oneself with the row through drive assembly, can increase and decrease quantity in a flexible way according to the load demand, the transmission ratio keeps unanimous, the owner can stock in batches, be favorable to reducing inventory cost, the casing adopts symmetrical structure, the ins