CN217002907U

CN217002907U - Low-noise worm and gear lifting speed reducer

Info

Publication number: CN217002907U
Application number: CN202122415566.9U
Authority: CN
Inventors: 王强; 熊圆; 裘开开
Original assignee: Zhejiang Jinxin Transmission Control Co ltd
Current assignee: Zhejiang Jinxin Transmission Control Co ltd
Priority date: 2021-10-08
Filing date: 2021-10-08
Publication date: 2022-07-19
Anticipated expiration: 2031-10-08

Abstract

The utility model discloses a low-noise worm and gear lifting speed reducer which comprises two groups of outer shells and is fixedly connected through a fixing bolt, wherein the bottom end of an inner cavity of each outer shell is provided with an input shaft, a turbine is fixedly connected onto the input shaft, the upper end of the turbine is meshed with the worm, two ends of the worm are provided with stabilizing devices, the top of each outer shell is provided with an oil inlet pipeline in a penetrating way, the oil inlet pipeline is provided with a sealing device, and one side of the bottom end of the turbine is provided with a heat dissipation mechanism; the utility model relates to the technical field of lifting speed reducers. This worm gear of low noise lift speed reducer can the even running of worm play good effect through spacing bearing housing to cooperation positioning bearing, gasket are fixed with positioning bolt's location, make the worm range of motion little, can not only disperse the power of shaking that brings of rotating when this speed reducer moves, have strengthened worm drive's stability moreover, have reduced the existence of noise.

Description

Low-noise worm and gear lifting speed reducer

Technical Field

The utility model relates to the technical field of lifting speed reducers, in particular to a low-noise worm and gear lifting speed reducer.

Background

The speed reducer is a common transmission part in the field of mechanical transmission and is also widely applied to various machine equipment, the main function of the speed reducer is to carry out power transmission and speed adjustment, the speed reducer is an external closed transmission device between a power source and working machine equipment and is used for reducing the high rotating speed output by the power source and increasing the torque so as to meet the working requirements of some machine equipment, and in a popular way, the speed reducer is used for realizing the effect of low-speed high-torque output by a high-speed motor with small torque through the speed reducer.

But current worm gear speed reducer machine when using, produces vibrations easily, can influence its work, and long-time vibrations can cause unnecessary wearing and tearing, and uses for a long time, produces a large amount of heats easily, also can influence its work to high-efficient worm gear lift speed reducer is not convenient for dismantle it and later stage kneck easy seepage is sealed not tight when changing inside lubricating oil.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects of the prior art, the utility model provides a low-noise worm and gear lifting speed reducer, which solves the problems that the existing worm and gear lifting speed reducer is easy to vibrate and cause unnecessary abrasion when in use, and is easy to generate a large amount of heat, and the efficient worm and gear lifting speed reducer is inconvenient to disassemble when the internal lubricating oil is replaced, and is easy to leak and seal at a later interface.

In order to achieve the purpose, the utility model is realized by the following technical scheme: the low-noise worm and gear lifting speed reducer comprises two groups of outer shells and is fixedly connected through a fixing bolt, an input shaft is arranged at the bottom end of an inner cavity of each outer shell, a turbine is fixedly connected onto the input shaft, the upper end of the turbine is meshed with the worm, stabilizing devices are arranged at two ends of the worm, an oil inlet pipeline is arranged at the top of each outer shell in a penetrating manner, a sealing device is arranged on the oil inlet pipeline, and a heat dissipation mechanism is arranged at one side of the bottom end of the turbine; the stabilizing device comprises a positioning bearing which is rotatably connected with two ends of a worm, the positioning bearing is fixedly installed on the outer shell, a gasket is fixedly connected to the outer wall of the positioning bearing, the gasket passes through the outer surface of the outer shell fixedly installed by a positioning bolt, the worm is located in the outer shell and symmetrically provided with limiting bearing sleeves, fixing rods are fixedly connected to the top ends of the outer rings of the limiting bearing sleeves, and the tops of the fixing rods are fixedly connected with the inner cavity top wall of the outer shell.

Preferably, the input shaft is rotatably connected with the outer shell through a limiting bearing, and one end of the input shaft penetrates through the outer shell and is fixedly connected with external driving equipment.

Preferably, the outer wall of the oil inlet pipeline is fixedly connected with a positioning block, and the positioning block is fixedly installed at the top of the outer shell.

Preferably, the sealing device comprises an inner sleeve arranged on the inner wall of the oil inlet pipeline, a thread groove is formed between the inner sleeve and the oil inlet pipeline, a sealing cover is connected to the thread groove in an internal thread manner, and a dustproof sealing ring is arranged on the top wall of an inner cavity of the sealing cover.

Preferably, the heat dissipation mechanism includes the gear with turbine bottom one side intermeshing, fixedly connected with pivot on the gear, the one end and the shell body inner wall of pivot rotate to be connected, the other end fixed mounting of pivot has the heat dissipation fan.

Preferably, the front end surface of the outer shell is provided with heat dissipation holes, and the positions of the heat dissipation holes correspond to the positions of the heat dissipation fans.

Advantageous effects

The utility model provides a low-noise worm and gear lifting speed reducer. Compared with the prior art, the method has the following beneficial effects:

(1) this worm gear of low noise lift speed reducer, even running through spacing bearing housing meeting worm plays good effect, and cooperation positioning bearing, the gasket is fixed with positioning bolt's location, make the worm motion range little, can be when this speed reducer moves, not only can disperse the power of shaking that brings of rotating, but also can play the effect of location to the worm, the worm drive's stability has been strengthened, the problem of the too big unable overweight article of bearing of dynamics because of shaking of worm has been avoided, thereby the bearing capacity of this speed reducer has been improved, the existence of speed reducer operation in-process noise has been reduced.

(2) This worm gear lift speed reducer of low noise drives gear revolve through the turbine, and the gear can drive the pivot and rotate, and the pivot can drive the rotation of heat dissipation fan, dispels the heat by shell body inner chamber bottom, discharges by the louvre at last, and the louvre improves its radiating effect.

(3) The low-noise worm gear lifting speed reducer takes out the sealing cover at the upper end of the oil inlet pipeline from the thread groove, after the other group of sealing covers are taken down from the oil outlet pipeline, the oil in the oil inside flows out through the oil outlet pipeline at the bottom end by gravity, after the oil inside the inner cavity is emptied, the inside of the sealing covers of the oil outlet pipeline is aligned with the thread groove, the sealing cover is rotated and assembled to the bottom, the dustproof sealing ring arranged in the inner cavity of the sealing cover can seal the joint of the interface to strengthen and prevent later-stage leakage, after the oil outlet pipeline is connected and sealed, new oil is pumped into the inner cavity through the oil inlet pipeline, lubricate reducing wear to inside turbine and worm during operation, sealed lid is sealed in selecting into thread groove equally after having added fluid, has reached and has been convenient for to the dismantlement when changing oil and has strengthened the sealed purpose that prevents the seepage in the later stage use to the junction.

Drawings

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

FIG. 2 is a perspective view of the interior of the outer housing of the present invention;

fig. 3 is a perspective sectional view showing the structure of the sealing device of the present invention.

In the figure: 1. an outer housing; 2. an input shaft; 3. a turbine; 4. a worm; 5. an oil inlet pipeline; 6. a sealing device; 7. a heat dissipation mechanism; 101. fixing the bolt; 102. heat dissipation holes; 201. a limit bearing; 401. positioning a bearing; 402. a gasket; 403. positioning a bolt; 404. a limiting bearing sleeve; 405. fixing the rod; 501. positioning blocks; 601. an inner sleeve; 602. a thread groove; 603. a sealing cover; 604. a dust-proof sealing ring; 701. a gear; 702. a rotating shaft; 703. a heat dissipation fan.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: the low-noise worm and gear lifting speed reducer comprises two groups of outer shells 1 which are fixedly connected through a fixing bolt 101, wherein the bottom end of an inner cavity of each outer shell 1 is provided with an input shaft 2, a turbine 3 is fixedly connected onto each input shaft 2, the upper end of each turbine 3 is meshed with a worm 4, two ends of each worm 4 are provided with stabilizing devices, the top of each outer shell 1 is provided with an oil inlet pipeline 5 in a penetrating manner, each oil inlet pipeline 5 is provided with a sealing device 6, and one side of the bottom end of each turbine 3 is provided with a heat dissipation mechanism 7; the stabilizing device comprises a positioning bearing 401 rotatably connected with two ends of a worm 4, the positioning bearing 401 is fixedly installed on the outer shell 1, a gasket 402 is fixedly connected on the outer wall of the positioning bearing 401, the gasket 402 is fixedly installed on the outer surface of the outer shell 1 through a positioning bolt 403, the worm 4 is symmetrically provided with a limiting bearing sleeve 404 in the outer shell 1, the top end of the outer ring of the limiting bearing sleeve 404 is fixedly connected with a fixing rod 405, and the top of the fixing rod 405 is fixedly connected with the top wall of the inner cavity of the outer shell 1; the input shaft 2 is rotationally connected with the outer shell 1 through a limiting bearing 201, and one end of the input shaft 2 penetrates through the outer shell 1 and is fixedly connected with external driving equipment; the outer wall of the oil inlet pipeline 5 is fixedly connected with a positioning block 501, and the positioning block 501 is fixedly arranged at the top of the outer shell 1; the sealing device 6 comprises an inner sleeve 601 arranged on the inner wall of the oil inlet pipeline 5, a thread groove 602 is arranged between the inner sleeve 601 and the oil inlet pipeline 5, a sealing cover 603 is connected with the thread groove 602 in a threaded manner, and a dustproof sealing ring 604 is arranged on the top wall of an inner cavity of the sealing cover 603; the heat dissipation mechanism 7 comprises a gear 701 meshed with one side of the bottom end of the turbine 3, a rotating shaft 702 is fixedly connected to the gear 701, one end of the rotating shaft 702 is rotatably connected with the inner wall of the outer shell 1, and a heat dissipation fan 703 is fixedly mounted at the other end of the rotating shaft 702; the front surface of the housing 1 is provided with heat dissipating holes 102, and the positions of the heat dissipating holes 102 correspond to the positions of the heat dissipating fans 703.

And those not described in detail in this specification are well within the skill of those in the art.

When the speed reducer works, the input shaft 2 is driven to rotate by external driving equipment, the input shaft 2 drives the turbine 3 to rotate, the turbine 3 drives the worm 4 and the gear 701 which are meshed with each other to rotate respectively, the limiting bearing sleeve 404 plays a good role in stable operation of the worm 4 in the rotating process of the worm 4 and is matched with the positioning bearings 401, the gaskets 402 and the positioning bolts 403 to be positioned and fixed, so that the movement range of the worm 4 is small, shaking force caused by rotation can be dispersed when the speed reducer works, the positioning effect can also be achieved on the worm 4, the transmission stability of the worm 4 is enhanced, the problem that the worm 4 cannot bear overweight objects due to overlarge shaking force is avoided, and the bearing capacity of the speed reducer is improved; meanwhile, the gear 701 can drive the rotating shaft 702 to rotate, the rotating shaft 702 can drive the heat dissipation fan 703 to rotate, heat is dissipated from the bottom of the inner cavity of the outer shell 1, and finally the heat is discharged from the heat dissipation hole 102; the speed reducer needs to replace lubricating oil after being used for a period of time, firstly, the sealing cover 603 at the upper end of the oil inlet pipeline 5 is screwed out of the thread groove 602 and taken down, after another group of sealing covers 603 are taken down from the oil outlet pipeline, the oil in the oil can flow out through the oil outlet pipeline at the bottom end through gravity, after the oil in the inner cavity is emptied, the inside of the sealing cover 603 of the oil outlet pipeline is aligned with the thread groove 602 and then is assembled to the bottom through the rotating sealing cover 603, the dustproof sealing ring 604 arranged in the inner cavity of the sealing cover 603 can seal the joint to strengthen and prevent later-stage leakage, after the oil outlet pipeline is well sealed, new oil is pumped into the inner cavity through the oil inlet pipeline 5, the inner turbine 3 and the worm 4 are lubricated during working, the abrasion is reduced, the sealing cover 603 is also selected into the thread groove 602 to seal after the oil is added, the convenience is achieved, the disassembly during oil change is facilitated, and the sealing of the joint is strengthened and the leakage prevention in the later-stage use process is prevented The purpose is that above is the theory of operation of the worm gear lift speed reducer of low noise.

It should be noted that, in this document, relational terms such as first and second, and the like are 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 utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. Low-noise worm gear lifting speed reducer comprises two sets of outer shells (1) and is fixedly connected with the outer shells through fixing bolts (101), and is characterized in that: an input shaft (2) is arranged at the bottom end of an inner cavity of the outer shell (1), a turbine (3) is fixedly connected onto the input shaft (2), the upper end of the turbine (3) is meshed with a worm (4), stabilizing devices are arranged at two ends of the worm (4), an oil inlet pipeline (5) and an oil outlet pipeline are respectively arranged on one side of the top and one side of the bottom of the outer shell (1) in a penetrating manner, sealing devices (6) are respectively arranged on the oil inlet pipeline (5) and the oil outlet pipeline, and a heat dissipation mechanism (7) is arranged on one side of the bottom of the turbine (3);

the stabilizing device comprises a positioning bearing (401) which is connected with a worm (4) in a rotating mode, wherein the positioning bearing (401) is fixedly installed on the outer shell (1), a gasket (402) is fixedly connected to the outer wall of the positioning bearing (401), the gasket (402) passes through the outer surface of the positioning bolt (403) fixedly installed outer shell (1), the worm (4) is located in the outer shell (1) and is symmetrically provided with a limiting bearing sleeve (404), a fixing rod (405) is fixedly connected to the top end of the outer ring of the limiting bearing sleeve (404), and the top of the fixing rod (405) is fixedly connected with the inner cavity top wall of the outer shell (1).

2. The low-noise worm and gear elevating speed reducer according to claim 1, wherein: the input shaft (2) is rotatably connected with the outer shell (1) through a limiting bearing (201), and one end of the input shaft (2) penetrates through the outer shell (1) and is fixedly connected with external driving equipment.

3. The low-noise worm and gear elevating speed reducer according to claim 1, wherein: the outer wall of the oil inlet pipeline (5) is fixedly connected with a positioning block (501), and the positioning block (501) is fixedly installed at the top of the outer shell (1).

4. The low-noise worm and gear elevating speed reducer according to claim 1, wherein: sealing device (6) include endotheca (601) of setting up at oil inlet pipe way (5) inner wall, be equipped with thread groove (602) between endotheca (601) and oil inlet pipe way (5), thread groove (602) female connection has sealed lid (603), the inner chamber roof of sealed lid (603) is equipped with dust sealing ring (604).

5. The low-noise worm and gear elevating speed reducer according to claim 1, wherein: the heat dissipation mechanism (7) comprises a gear (701) meshed with one side of the bottom end of the turbine (3), a rotating shaft (702) is fixedly connected to the gear (701), one end of the rotating shaft (702) is rotatably connected with the inner wall of the outer shell (1), and a heat dissipation fan (703) is fixedly mounted at the other end of the rotating shaft (702).

6. The low noise worm gear and worm lifting reducer of claim 5, characterized in that: the front end surface of the outer shell (1) is provided with heat dissipation holes (102), and the positions of the heat dissipation holes (102) correspond to the positions of the heat dissipation fans (703).