CN112377597A

CN112377597A - Worm gear reducer

Info

Publication number: CN112377597A
Application number: CN202011195752.XA
Authority: CN
Inventors: 张荣兵; 曹雅宁
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-10-30
Filing date: 2020-10-30
Publication date: 2021-02-19

Abstract

The invention relates to the technical field of reducer application, in particular to a worm and gear reducer which comprises a box body, copper strips, a plastic pad and a cover plate.

Description

Worm gear reducer

Technical Field

The invention relates to the technical field of reducer application, in particular to a worm and gear reducer.

Background

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

For the worm gear used in a machine for continuous operation, because the cover plate of the reducer can not be tightly attached to the opening of the worm gear reducer under the action of high strength after being installed, the sealing performance of the worm gear reducer is reduced, the occurrence of oil leakage and liquid leakage is increased, the failure frequency of the worm gear reducer caused by oil leakage and liquid leakage is increased, meanwhile, the entering of dust is increased, the frequency of later cleaning and maintenance is increased, the traditional worm gear reducer has no more heat dissipation, the interior of the worm gear reducer can not be cooled, the aging caused by overhigh internal temperature when the worm gear reducer is used for a long time is accelerated, the service life of the traditional worm gear reducer is shortened, the wear of the bottom of the worm gear reducer is increased, and the friction force of the bottom of the reducer is reduced, the installation stability of the worm and gear reducer is reduced, the shaking caused by instable installation of the worm and gear reducer in the using process is increased, and the using effect of the worm and gear reducer is reduced.

Disclosure of Invention

Aiming at the problems in the prior art, the invention provides a worm gear reducer.

The technical scheme adopted by the invention for solving the technical problems is as follows: a worm gear reducer comprises a box body, a copper bar, a plastic pad and a cover plate, wherein the box body is of a hollow structure, first bearings are arranged on the inner walls of two sides of the box body, a first rotating shaft is arranged between the two first bearings in a rotating fit mode, a first gear is sleeved on the first rotating shaft, second bearings are arranged on the inner walls of two ends of the box body, a second rotating shaft is arranged between the two second bearings in a rotating fit mode, a second gear is sleeved on the second rotating shaft, the first gear is meshed with the second gear, the diameter of the first gear is larger than that of the second gear, the first rotating shaft is driven by external machinery to rotate on the first bearings, the first gear is driven by the first rotating shaft to rotate, the first gear is meshed with the second gear through gear teeth, the first gear drives the second gear, the second gear drives the second rotating shaft to rotate, the reduction effect of the worm gear reducer is achieved, the cover plate is installed on, the box body has the advantages that the top opening of the box body is sealed, the plastic pad is arranged at the bottom of the box body, the effects of increasing friction, reducing abrasion at the bottom of the box body and reducing shaking are achieved, and the plurality of copper strips which are parallel to each other penetrate through the inner side wall of the box body, so that the heat dissipation effect is achieved;

the copper bar comprises a heat absorption bar, a heat conduction bar and a heat dissipation bar, wherein the heat conduction bar is fixedly connected to one side of the heat absorption bar, and the heat dissipation bar is fixedly connected to one side of the heat conduction bar, so that the heat in the worm gear reducer can be effectively dissipated, and the effect of quickly cooling is realized;

the cross section of the plastic pad is of a cross structure, a plurality of grooves are formed in the plastic pad, a second through hole is formed in the center of the bottom of each groove, and the plastic pad is matched with screws to play a role in mounting and fixing;

the handle is installed at apron top center, and first through-hole has been seted up to the handle lateral wall, and apron top four sides center runs through there is the bolt, and the apron bottom is equipped with the rubber packing ring, plays increase frictional force, realizes better sealed effect to the worm gear reduction gear.

Specifically, the through-hole has been seted up to bottom half four corners fixedly connected with mounting panel on the mounting panel, and mounting panel thickness is less than plastic plate thickness, plays the effect of the fixed worm gear reduction gear of installation.

Specifically, first closing plate is installed to box one side outer wall, and first closing plate cross-section is circular structure, and the second closing plate is installed to box one end outer wall, and the second closing plate cross-section is circular structure, plays the effect that improves the sealed effect of bearing department.

Specifically, the height of the first bearing is higher than that of the second bearing, the height of the first sealing plate is equal to that of the first bearing, the sectional area of the first sealing plate is larger than that of the first bearing, the height of the second sealing plate is equal to that of the second bearing, and the sectional area of the second sealing plate is larger than that of the second bearing.

Specifically, the width of heat conduction strip equals the thickness of box inner wall, the heat absorption strip cross-section is semi-circular structure, play the effect of increase heat absorption strip surface area, improve the inside thermal absorption of speed reducer, the heat dissipation strip cross-section is semi-circular structure, play the effect of increasing heat dissipation strip surface area, improve heat dissipation strip radiating effect, the cross sectional area of heat absorption strip equals the cross sectional area of heat dissipation strip, heat absorption strip cross-sectional diameter equals the heat conduction strip height, heat absorption strip length equals heat conduction strip length, heat absorption strip length equals heat dissipation strip length.

Specifically, the groove is of a circular structure in cross section, the cross section of the second through hole is of a circular structure, the cross sectional area of the second through hole is smaller than that of the groove, threads are arranged on the inner side of the second through hole, the second through hole is matched with a screw to achieve the effect of fixing the plastic pad in an installing mode, and the groove can prevent the screw at the installing position from being abraded.

The invention has the beneficial effects that:

(1) according to the worm gear reducer, the opening is formed in the bottom of the box body, engine oil is conveniently added, the cover plate is arranged at the opening in the top of the box body, the handle is mounted in the center of the top of the cover plate, the first through hole is formed in the outer side wall of the handle, the bolts penetrate through the centers of four edges of the top of the cover plate, the rubber gasket is arranged at the bottom of the cover plate, the cover plate is convenient to take and fix through the bolts, the cover plate is firmer, the rubber gasket is matched during mounting, the cover plate is more tightly attached to the opening of the box body, the sealing performance of the box body is improved, the oil leakage and liquid leakage are reduced, the worm gear reducer faults caused by the oil leakage and the liquid leakage are reduced, meanwhile, dust enters the box body, and the number of later-stage cleaning and maintenance is reduced.

(2) According to the worm gear reducer, the plurality of copper strips which are parallel to each other penetrate through the inner side wall of the box body, each copper strip comprises a heat absorbing strip, a heat conducting strip and a heat radiating strip, one side of each heat absorbing strip is fixedly connected with the corresponding heat conducting strip, one side of each heat conducting strip is fixedly connected with the corresponding heat radiating strip, the heat absorbing strips are arranged on the inner side wall of the box body, and the heat radiating strips are arranged on the outer side wall of the box body, so that heat inside the box body is absorbed through the heat absorbing strips and is released through the heat conducting strips, the effect of radiating the inside of the box body is achieved, aging caused by overhigh internal temperature during long-time use of the worm gear reducer is delayed, and.

(3) According to the worm and gear speed reducer, the plastic pad is mounted at the bottom of the box body, the cross section of the plastic pad is of a cross structure, the plastic pad is provided with the plurality of grooves, the center of the bottom of each groove is provided with the second through hole, the plastic pad is arranged on the box body, abrasion of the bottom of the worm and gear speed reducer is reduced, meanwhile, protection of an apparatus for mounting the worm and gear speed reducer is increased, friction force at the bottom of the worm and gear speed reducer is increased, mounting stability of the worm and gear speed reducer is improved, shaking of the worm and gear speed reducer due to instable mounting in the using process is reduced, and using effect of the worm and gear speed.

Drawings

The invention is further illustrated with reference to the following figures and examples.

FIG. 1 is a schematic diagram of the inclined structure of the present invention.

Fig. 2 is a side view of the present invention.

FIG. 3 is a schematic view of the structure of the copper bar of the present invention.

FIG. 4 is a schematic view of the cover plate structure of the present invention.

FIG. 5 is a schematic view of the engagement of the first gear and the second gear according to the present invention.

FIG. 6 is a cross-sectional view of the plastic mat of the present invention.

In the figure: 1. a box body; 2. a copper bar; 201. a heat conducting strip; 202. a heat absorbing strip; 203. a heat dissipating strip; 3. a first bearing; 301. a first rotating shaft; 302. a first gear; 4. a second bearing; 401. a second rotating shaft; 403. a second gear; 5. a cover plate; 501. a handle; 502. a first through hole; 503. a bolt; 504. a rubber gasket; 6. a plastic pad; 601. a groove; 603. a second through hole; 7. mounting a plate; 8. a first sealing plate; 9. a second sealing plate.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.

As shown in fig. 1-6, the worm gear reducer of the present invention comprises a box 1, a copper bar 2, a plastic pad 6, and a cover plate 5, wherein the box 1 is hollow, the inner walls of two sides of the box 1 are respectively provided with a first bearing 3, a first rotating shaft 301 is rotatably fitted between the two first bearings 3, the first rotating shaft 301 is provided with a first gear 302, the inner walls of two ends of the box 1 are respectively provided with a second bearing 4, a second rotating shaft 401 is rotatably fitted between the two second bearings 4, the second rotating shaft 401 is provided with a second gear 402, the first gear 302 is engaged with the second gear 402, the diameter of the first gear 302 is larger than that of the second gear 402, the first rotating shaft 301 is driven by an external machine to rotate the first rotating shaft 301 on the first bearings 3, the first rotating shaft 301 drives the first gear 302 to rotate, the first gear 302 is engaged with the second gear 402 by gear teeth, so that the first gear 302 drives the second gear 402, the second gear 402 drives the second rotating shaft 301 to rotate, so that the speed reduction effect of the worm and gear speed reducer is realized, the cover plate 5 is arranged at the top of the box body 1 and has the effect of sealing an opening at the top of the box body 1, the plastic pad 6 is arranged at the bottom of the box body 1 and has the effects of increasing friction, reducing abrasion at the bottom of the box body and reducing jitter, the using effect of the worm and gear speed reducer is improved, and the inner side wall of the box body 1 penetrates through the plurality of copper strips 2 which are parallel to each other to play a role of;

the copper bar 2 comprises a heat absorption bar 202, a heat conduction bar 201 and a heat dissipation bar 202, the heat conduction bar 201 is fixedly connected to one side of the heat absorption bar 202, and the heat dissipation bar 203 is fixedly connected to one side of the heat conduction bar 201, so that the heat in the worm gear reducer can be effectively dissipated, the aging caused by overhigh internal temperature of the worm gear reducer in long-time use is delayed by realizing the effect of rapid cooling, and the service life of the worm gear reducer is prolonged;

the cross section of the plastic pad 6 is of a cross structure, a plurality of grooves 601 are formed in the plastic pad 6, a second through hole 602 is formed in the center of the bottom of each groove 601 and is matched with a screw to play a role in mounting and fixing;

handle 501 is installed at 5 top centers of apron, and first through-hole 502 has been seted up to handle 501 lateral wall, and 5 top four sides centers of apron have run through

bolt

503, and 5 bottoms of apron are equipped with rubber packing ring 504, play increase frictional force, realize better sealed effect to worm gear reduction gear.

The four corners fixedly connected with mounting panel 7 in 1 bottom of box has seted up the through-hole on the mounting panel 7, and mounting panel 7 thickness is less than 6 thicknesses of plastic board, plays the effect of the fixed worm gear reduction gear of installation.

First closing plate 8 is installed to 1 one side outer wall of box, and first closing plate 8 cross-section is circular structure, and second closing plate 9 is installed to 1 one end outer wall of box, and second closing plate 9 cross-section is circular structure, plays the effect that improves the sealed effect of bearing department, has reduced the worm gear reduction ware trouble that causes because of the oil leak weeping, has also reduced the getting into box 1 the inside of dust simultaneously, reduces the number of times of later stage cleaning maintenance.

The height of the first bearing 3 is higher than that of the second bearing 4, the height of the first sealing plate 8 is equal to that of the first bearing 3, the sectional area of the first sealing plate 8 is larger than that of the first bearing 3, the height of the second sealing plate 9 is equal to that of the second bearing 4, and the sectional area of the second sealing plate 9 is larger than that of the second bearing 4.

The width of heat conduction strip 201 equals the thickness of box 1 inner wall, heat absorption strip 202 cross-section is semi-circular structure, play the effect of increase heat absorption strip 202 surface area, improve the inside thermal absorption of speed reducer, heat dissipation strip 203 cross-section is semi-circular structure, play the effect of increase heat dissipation strip surface area, improve heat dissipation strip 202 radiating effect, the cross-sectional area of heat absorption strip 202 equals the cross-sectional area of heat dissipation strip 203, heat absorption strip 202 cross-sectional diameter equals heat conduction strip 201 height, heat absorption strip 202 length equals heat conduction strip 201 length, heat absorption strip 202 length equals heat dissipation strip 203 length.

The cross section of the groove 601 is of a circular structure, the cross section of the second through hole 602 is of a circular structure, the cross section area of the second through hole 602 is smaller than that of the groove 601, threads are arranged on the inner side of the second through hole 602, the second through hole 602 is matched with a screw to play a role in mounting and fixing the plastic pad 6, and the screw at the mounting position can be prevented from being worn by the groove 601.

When in use, firstly, a handle 501 is arranged on the cover plate 5 to facilitate the taking operation of the cover plate 5, the cover plate 5 is fixedly arranged through a bolt 503 to make the cover plate firmer, a rubber gasket 504 is matched during the installation to make the cover plate 5 more tightly fit with the opening of the box body 1, the sealing performance of the box body 1 is improved, the occurrence of oil leakage and liquid leakage is reduced, the fault of the worm gear reducer caused by oil leakage and liquid leakage is reduced, meanwhile, the dust enters the box body 1 to reduce the frequency of later cleaning and maintenance, then, the heat absorption strip 202 is arranged on the inner side wall of the box body 1, the heat dissipation strip 203 is arranged on the outer side wall of the box body 1, the heat in the box body 1 is absorbed through the heat absorption strip 202, the heat conduction strip 201 conducts the heat dissipation strip 203 to release, the effect of heat dissipation in the box body 1 is achieved, and the aging caused by overhigh internal temperature of the worm gear reducer during, increased worm gear reduction gear life, install plastic pad 6 in 1 bottom of box at last, 6 cross sections of plastic pad are the cruciform structure, a plurality of recesses 601 have been seted up on the plastic pad, second through-hole 602 has been seted up at recess 601 bottom center, through set up plastic pad 6 at box 1, reduce the wearing and tearing of worm gear reduction gear bottom, the protection to this worm gear reduction gear apparatus of installation has also been increased simultaneously, the frictional force of increase worm gear reduction gear bottom, improve the stability of worm gear reduction gear installation, reduce the shake that the worm gear reduction gear caused because the installation is unstable in the use, improve worm gear reduction gear's result of use.

The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and the embodiments and descriptions given above are only illustrative of the principles of the present invention, and various changes and modifications may be made without departing from the spirit and scope of the invention, which fall within the scope of the claims. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. A worm gear reducer which is characterized in that: comprises a box body (1), a copper bar (2), a plastic pad (6) and a cover plate (5), wherein the box body (1) is of a hollow structure, the inner walls of two sides of the box body (1) are respectively provided with a first bearing (3), a first rotating shaft (301) is arranged in the middle of the two first bearings (3) in a rotating fit mode, a first gear (302) is sleeved on the first rotating shaft (301), the inner walls of two ends of the box body (1) are respectively provided with a second bearing (4), a second rotating shaft (401) is arranged in the middle of the two second bearings (4) in a rotating fit mode, a second gear (402) is sleeved on the second rotating shaft (401), the first gear (302) is meshed with the second gear (, the diameter of the first gear (302) is larger than that of the second gear (402), a cover plate (5) is installed at the top of the box body (1), a plastic pad (6) is installed at the bottom of the box body (1), and a plurality of copper strips (2) which are parallel to each other penetrate through the inner side wall of the box body (1);

the copper bar (2) comprises a heat absorption bar (202), a heat conduction bar (201) and a heat dissipation bar (202), wherein the heat conduction bar (201) is fixedly connected to one side of the heat absorption bar (202), and the heat dissipation bar (203) is fixedly connected to one side of the heat conduction bar (201);

the cross section of the plastic pad (6) is of a cross structure, a plurality of grooves (601) are formed in the plastic pad (6), and a second through hole (602) is formed in the center of the bottom of each groove (601);

handle (501) are installed at apron (5) top center, and first through-hole (502) have been seted up to handle (501) lateral wall, and apron (5) top four sides center has run through bolt (503), and apron (5) bottom is equipped with rubber packing ring (504).

2. A worm gear reducer according to claim 1, wherein: the four corners of the bottom of the box body (1) are fixedly connected with mounting plates (7), through holes are formed in the mounting plates (7), and the thickness of the mounting plates (7) is smaller than that of the plastic plates (6).

3. A worm gear reducer according to claim 1, wherein: a first sealing plate (8) is installed on the outer wall of one side of the box body (1), the cross section of the first sealing plate (8) is of a circular structure, a second sealing plate (9) is installed on the outer wall of one end of the box body (1), and the cross section of the second sealing plate (9) is of a circular structure.

4. A worm gear reducer according to claim 3 in which: the height of the first bearing (3) is higher than that of the second bearing (4), the height of the first sealing plate (8) is equal to that of the first bearing (3), the cross-sectional area of the first sealing plate (8) is larger than that of the first bearing (3), the height of the second sealing plate (9) is equal to that of the second bearing (4), and the cross-sectional area of the second sealing plate (9) is larger than that of the second bearing (4).

5. A worm gear reducer according to claim 1, wherein: the width of heat conduction strip (201) equals the thickness of box (1) inner wall, and heat absorption strip (202) cross-section is semi-circular structure, and heat dissipation strip (203) cross-section is semi-circular structure, and the cross-sectional area of heat absorption strip (202) equals the cross-sectional area of heat dissipation strip (203), and heat absorption strip (202) cross-sectional diameter equals heat conduction strip (201) height, and heat absorption strip (202) length equals heat conduction strip (201) length, and heat absorption strip (202) length equals heat dissipation strip (203) length.

6. A worm gear reducer according to claim 1, wherein: the cross-sectional area of the second through hole (602) is smaller than that of the groove (601), and the inner side of the second through hole (602) is provided with threads.