CN214743054U - Double open type double-lead speed reducer - Google Patents
Double open type double-lead speed reducer Download PDFInfo
- Publication number
- CN214743054U CN214743054U CN202120864682.6U CN202120864682U CN214743054U CN 214743054 U CN214743054 U CN 214743054U CN 202120864682 U CN202120864682 U CN 202120864682U CN 214743054 U CN214743054 U CN 214743054U
- Authority
- CN
- China
- Prior art keywords
- double
- lead
- worm
- roller bearing
- tapered roller
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 239000003638 chemical reducing agent Substances 0.000 title claims abstract description 27
- 238000013016 damping Methods 0.000 claims description 2
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 238000000034 method Methods 0.000 description 3
- 230000003139 buffering effect Effects 0.000 description 2
- 230000009977 dual effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 230000035939 shock Effects 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
Images
Landscapes
- Gear Transmission (AREA)
Abstract
The utility model provides a two journey speed reducers of open-type, include: the double-lead worm gear and the double-lead worm are meshed with each other, wherein the adjusting end sleeve of the double-lead worm is arranged on a position adjusting bearing in the box body, the pressing ring is sleeved on the double-lead worm and is arranged on the outer side of the position adjusting bearing, and the pressing ring is connected with an internal thread on the end side of the box body; the cylindrical roller bearing of cross-under end cover is established to the output pot head of two helical pitch worms, is equipped with tapered roller bearing between cylindrical roller bearing and the end cover, and tapered roller bearing cup joints on two helical pitch worms, is equipped with the buffer board between the tapered roller bearing, sets up the meshing precision of being convenient for between regulation worm and the worm wheel through the structure of adjusting the end, realizes the shock-proof performance of worm through the buffer structure of output, improves the life of two helical pitch speed reducers of two open types.
Description
Technical Field
The utility model relates to a speed reducer field, in particular to two journey speed reducers of double open type.
Background
The double-open type double-lead speed reducer is also called as a double-lead worm gear speed reducer and is formed by combining a box body, a worm gear and a worm which are arranged in the box body in a matching way, the worm gear is connected with the box body through an output shaft, flanges and end covers are arranged at the positions, corresponding to the two ends of the worm, of the box body, and the effect of the speed reducer is realized through the meshing motion of the worm gear and the worm.
The worm wheel and the worm of the double-open double-lead speed reducer are difficult to accurately control the tooth side clearance in the assembling process, and the worm wheel and the worm are also difficult to avoid unrecoverable abrasion in the meshing operation process, so that the meshing precision of the worm wheel and the worm is influenced; in addition, the worm wheel can transmit large impact force to the worm, and the worm is easy to deviate from an ideal meshing position under the impact action, even the worm is broken, and the service life of the speed reducer is greatly influenced under the two conditions.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a two helical pitch speed reducers of dual open type, the structure through adjusting the end sets up the meshing precision of being convenient for between regulation worm and the worm wheel, and buffer structure through the output realizes the protecting against shock performance of worm, improves the life of two helical pitch speed reducers of dual open type.
In order to realize the above purpose, this technical scheme provides a double open type double lead speed reducer, includes: the double-lead worm gear and the double-lead worm are meshed with each other, wherein the adjusting end sleeve of the double-lead worm is arranged on a position adjusting bearing in the box body, the pressing ring is sleeved on the double-lead worm and is arranged on the outer side of the position adjusting bearing, and the pressing ring is connected with an internal thread on the end side of the box body; the output end of the double-lead worm is sleeved with a cylindrical roller bearing penetrating through the end cover, a tapered roller bearing is arranged between the cylindrical roller bearing and the end cover, the tapered roller bearing is sleeved on the double-lead worm, and a buffer plate is arranged between the tapered roller bearings.
In some embodiments, the tapered roller bearing is sleeved on the double-lead worm through a shaft sleeve, and two ends of the shaft sleeve (100) are limited by the cylindrical roller bearing and a limit plate.
In some embodiments, the double-lead worm comprises a meshing main body, annular bulges are arranged on two sides of the meshing position of the meshing main body and the double-lead worm wheel, a position adjusting bearing is arranged at the adjusting end of the double-lead worm, and a cylindrical roller bearing arranged at the output end of the double-lead worm is in contact with the annular bulges.
In some embodiments, the internal thread is connected with the box body through a fixing screw, and the end face of the pressing ring presses the positioning bearing.
In some embodiments, the clamping ring and the end side of the internal thread are provided with a locking thread.
In some embodiments, the tapered roller bearing is a double-row tapered roller bearing, and a buffer plate is arranged between the two tapered roller bearings.
In some embodiments, the damping plate has a spring disposed therein, and both ends of the spring abut against tapered roller bearings at both ends.
In some embodiments, a buffer sponge is arranged between the buffer plate and the tapered roller bearings at two ends.
Compared with the prior art, the technical scheme has the following characteristics and beneficial effects:
1. the adjusting end of the double-lead worm is provided with a positioning bearing and a pressing ring which are connected, the meshing precision between the double-lead worm and the double-lead worm wheel is freely adjusted through the screwing-in and screwing-out of the pressing ring, and the double-lead worm wheel are locked and fixed through the screw rod when the double-lead worm is adjusted to a set position, so that the meshing precision of the double-open double-lead speed reducer can be conveniently adjusted.
2. Set up tapered roller bearing in the end cover of two lead worm's output, and set up the buffer board between the tapered roller bearing, the cushioning effect through the buffer board realizes the protecting against shock of worm, and then improves the life of speed reduction.
Drawings
Fig. 1 is a schematic structural diagram of a double-open double-lead speed reducer according to an embodiment of the present invention.
In the figure: 10-double-lead worm wheel, 20-double-lead worm, 21-meshing main body, 30-positioning bearing, 40-pressing ring, 50-box body, 51-internal thread, 60-cylindrical roller bearing, 70-tapered roller bearing, 80-limiting plate, 90-buffer piece and 100-shaft sleeve.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art all belong to the protection scope of the present invention.
It will be understood by those skilled in the art that in the present disclosure, the terms "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in a generic and descriptive sense only and not for purposes of limitation, as the terms are used in the description to indicate that the referenced device or element must have the specified orientation, be constructed and operated in the specified orientation, and not for the purposes of limitation.
It is understood that the terms "a" and "an" should be interpreted as meaning that a number of one element or element is one in one embodiment, while a number of other elements is one in another embodiment, and the terms "a" and "an" should not be interpreted as limiting the number.
The double-open double-lead speed reducer provided by the scheme has the functions of easy adjustment of meshing precision and impact resistance, and particularly comprises a double-lead worm wheel 10 and a double-lead worm 20 which are meshed with each other, wherein the adjusting end sleeve of the double-lead worm 20 is arranged on a position adjusting bearing 30 in a box body 50, a pressing ring 40 is sleeved on the double-lead worm 20 and is arranged on the outer side of the position adjusting bearing 30, and the pressing ring 40 is in threaded connection with an internal thread 51 on the end side of the box body 50; the double-lead worm 20 is provided with a cylindrical roller bearing 60 which is sleeved on the output end of the double-lead worm 20 and penetrates through the end cover, a tapered roller bearing 70 is arranged between the cylindrical roller bearing 60 and the end cover, the tapered roller bearing 70 is sleeved on the double-lead worm 20 through a shaft sleeve 100, two ends of the shaft sleeve 100 are limited by the cylindrical roller bearing 60 and a limiting plate 80, and a buffer plate 90 is arranged between the two tapered roller bearings of the tapered roller bearing 70.
The double-lead worm gear 10 of the double-open double-lead speed reducer is mounted in the box 50 through an output shaft (not shown in the figure). The double-lead worm 20 comprises a meshing main body 21, annular bulges are arranged on two sides of the meshing position of the meshing main body 21 and the double-lead worm wheel 10, a position adjusting bearing 30 positioned at the adjusting end of the double-lead worm 20, and a cylindrical roller bearing 60 positioned at the output end of the double-lead worm 20 is in contact with the annular bulges. In the scheme, the position between the double-lead worm 20 and the double-lead worm wheel 10 can be adjusted through the structure of the adjusting end, so that the meshing precision between the double-lead worm 20 and the double-lead worm wheel 10 can be adjusted.
Additionally, in some embodiments, the size of engagement body 21 tapers from the adjustment end to the output end. Because the dual-lead worm 20 and the dual-lead worm wheel 10 inevitably wear the meshing main body 21 in the meshing rotation process, the size of the meshing main body 21 is reduced, and the meshing main body 21 can be pushed towards the output end by the arrangement of the structure setting matching position-adjusting bearing 30, so that the service life of the dual-open dual-lead speed reducer is prolonged.
The positioning bearing 30 is arranged in the box body 50, and the internal thread 51 at the side of the box body 50 penetrates through the double-lead worm 20 and is connected with the box body 50 into a whole. Specifically, the internal thread 51 may be integrally connected to the case 50 by a fixing screw. The outer side of the pressing ring 40 is provided with an external thread matched with the internal thread 51, the pressing ring 40 is screwed with the internal thread 51 and is sleeved on the double-lead worm 20, and the front end face of the pressing ring 40 compresses the positioning bearing 30. In addition, the end sides of the pressing ring 40 and the internal thread 51 are provided with locking threads to lock the pressing ring 40 and the internal thread 51 when the pressing ring 40 is rotated to a specific position.
Specifically, the position of the positioning bearing 30 can be adjusted by screwing the clamping ring 40 and the internal thread 51 during use, and the positioning bearing 30 presses the meshing main body 21 towards the output end so as to adjust the meshing precision between the double-lead worm 20 and the double-lead worm wheel 10. When adjusted to a particular position, the clamping ring 40 and the internal thread are locked by the locking thread.
The output end of the double-lead worm 20 is matched with the cylindrical roller bearing 60 and the tapered roller bearing 70 to buffer the axial impact force transmitted to the double-lead worm 20 by the double-lead worm wheel 10, so that the service life of the double-open double-lead speed reducer is prolonged.
Specifically, the cylindrical roller bearing 60 is sleeved at the output end of the double-lead worm 20 to support the double-lead worm 20, and the cylindrical roller bearing 60 is penetrated into a sealing cover arranged inside the box 50 to be covered in the box 50, wherein the end cover is in a hollow cylindrical structure.
The tapered roller bearing 79 is arranged between the cylindrical roller bearing 60 and the end cover, and it is worth mentioning that the tapered roller bearing 70 in the scheme is arranged outside the double-lead worm 20 in a surrounding manner through the shaft sleeve 100, in the embodiment of the scheme, the tapered roller bearing 70 is a double-row tapered roller bearing, the buffer plate 90 is arranged between the two tapered roller bearings, and the outer side of the buffer plate 90 is abutted against the inner wall of the end cover.
In the embodiment of the present embodiment, the buffer plate 90 is provided with a spring, and two ends of the spring abut against the tapered roller bearings 70 at two ends to play a role of buffering. Specifically, through holes are uniformly distributed in the buffer plate 90, and springs are horizontally arranged in the through holes.
In other embodiments, a buffer sponge is disposed between the buffer plate 90 and the tapered roller bearings 70 at both ends to perform a buffering function.
The present invention is not limited to the above-mentioned preferred embodiments, and any other products in various forms can be obtained by the teaching of the present invention, but any changes in the shape or structure thereof, which have the same or similar technical solutions as the present invention, fall within the protection scope of the present invention.
Claims (8)
1. The utility model provides a double open type double-lead speed reducer which characterized in that includes:
the double-lead worm gear (10) and the double-lead worm (20) are meshed with each other, wherein the adjusting end sleeve of the double-lead worm (20) is arranged on a position adjusting bearing (30) in a box body (50), a pressing ring (40) is sleeved on the double-lead worm (20) and is arranged on the outer side of the position adjusting bearing (30), and the pressing ring (40) is connected with an internal thread (51) on the end side of the box body (50); the output end of the double-lead worm (20) is sleeved with a cylindrical roller bearing (60) penetrating through the end cover, a tapered roller bearing (70) is arranged between the cylindrical roller bearing (60) and the end cover, the tapered roller bearing (70) is sleeved on the double-lead worm (20), and a buffer plate (90) is arranged between the tapered roller bearings (70).
2. The double-open type double-lead speed reducer according to claim 1, wherein the tapered roller bearing (70) is sleeved on the double-lead worm (20) through a shaft sleeve (100), and two ends of the shaft sleeve (100) are limited by the cylindrical roller bearing (60) and a limiting plate (80).
3. The double-open double-lead speed reducer according to claim 1, wherein the double-lead worm (20) comprises a meshing main body (21), annular protrusions are arranged on two sides of the meshing position of the meshing main body (21) and the double-lead worm wheel (10), a position adjusting bearing (30) located at the adjusting end of the double-lead worm (20), and a cylindrical roller bearing (60) located at the output end of the double-lead worm (20) is in contact with the annular protrusions.
4. The double-open double-lead speed reducer according to claim 1, wherein the internal thread (51) is connected to the housing (50) by a fixing screw, and the end face of the pressing ring (40) presses the positioning bearing (30).
5. Double-lead reduction gear according to claim 1, characterized in that the clamping ring (40) and the internal thread (51) are provided with locking threads on their end sides.
6. A double-open double-lead speed reducer according to claim 1, wherein the tapered roller bearing (70) is a double-row tapered roller bearing, and a buffer plate (90) is provided between the two tapered roller bearings.
7. A double-open double-lead speed reducer according to claim 6 in which the damping plate (90) houses springs, the ends of which abut against tapered roller bearings (70) at both ends.
8. The double-open double-lead speed reducer according to claim 6, wherein a buffer sponge is provided between the buffer plate (90) and the tapered roller bearings (70) at both ends.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120864682.6U CN214743054U (en) | 2021-04-25 | 2021-04-25 | Double open type double-lead speed reducer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120864682.6U CN214743054U (en) | 2021-04-25 | 2021-04-25 | Double open type double-lead speed reducer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214743054U true CN214743054U (en) | 2021-11-16 |
Family
ID=78613355
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120864682.6U Active CN214743054U (en) | 2021-04-25 | 2021-04-25 | Double open type double-lead speed reducer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214743054U (en) |
-
2021
- 2021-04-25 CN CN202120864682.6U patent/CN214743054U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US8443689B2 (en) | Rack shaft support device and torsion amount adjustment method for torsion spring used therein | |
| KR20120113900A (en) | Bevel gear driving type elevated stage | |
| CN110994884A (en) | Low-power consumption electric push rod | |
| CN219927784U (en) | Electric circulation ball steering gear structure with reversely-adjusted output end | |
| CN210440504U (en) | Damping device of mechanical equipment | |
| CN209512901U (en) | A kind of automobile gauge flexible measuring support frame | |
| CN203309043U (en) | Ball screw with adjustable gap | |
| CN208749839U (en) | A kind of bearing block adjustable elastic anti-seismic structure | |
| CN102269238B (en) | Integral type multifunctional locating transmission mechanism | |
| CN218000995U (en) | Display support arm | |
| CN113738750A (en) | Fastening bolt with adjustable length | |
| CN205715462U (en) | A kind of spacing micro-adjusting mechanism | |
| CN209925588U (en) | Gap eliminating device for gear and rack transmission | |
| CN214092658U (en) | Flat head inner hexagonal screw | |
| CN222559137U (en) | Helical gear | |
| CN211763662U (en) | Driving mechanism for punching machine | |
| CN212473639U (en) | Sensitive automobile steering device | |
| CN203742330U (en) | Pull rod structure easy to adjust | |
| CN208034572U (en) | A kind of bearing block mounting bracket | |
| CN209730977U (en) | A kind of line handspike motor | |
| CN222772646U (en) | A double lead reducer | |
| CN207246332U (en) | Pedal motor | |
| CN214754256U (en) | Damping device for flick type socket | |
| CN220228030U (en) | Coaxial locking device of blast gate valve rod | |
| CN218316889U (en) | Recirculating ball steering gear assembly |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |