CN213088540U - Limiting device for preventing mechanical transmission shaft from moving - Google Patents
Limiting device for preventing mechanical transmission shaft from moving Download PDFInfo
- Publication number
- CN213088540U CN213088540U CN202021526085.4U CN202021526085U CN213088540U CN 213088540 U CN213088540 U CN 213088540U CN 202021526085 U CN202021526085 U CN 202021526085U CN 213088540 U CN213088540 U CN 213088540U
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- Prior art keywords
- transmission shaft
- shaft
- axle
- preventing
- stop device
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- 230000009347 mechanical transmission Effects 0.000 title claims abstract description 14
- 230000005540 biological transmission Effects 0.000 claims abstract description 70
- 230000000694 effects Effects 0.000 abstract description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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Abstract
The utility model discloses a prevent stop device of mechanical transmission shaft drunkenness, including the motionless axle, the upper end of motionless axle is provided with the transmission shaft, is provided with the first stop device that is used for preventing the transmission shaft axial drunkenness between motionless axle and the transmission shaft, supports on a plurality of bracing pieces to have the second stop device that is used for preventing the transmission shaft radial drunkenness, and the upper end of second stop device cup joints on the lateral wall of transmission shaft, the utility model discloses a multiloop axle is along with the rotation of transmission shaft, and the ring piece can be at the inside rotational sliding of annular this moment, and the ring piece has avoided the axial drunkenness of multiloop axle in the axle bush inside like this, has realized the function of restricting the axial drunkenness of; cup joint on the transmission shaft through the axle sleeve, and the connecting rod plays the effect of supporting fixed second axle seat, makes the axle sleeve when then rotating along with the transmission shaft, and two bearings make the axle sleeve rotate at the inside radial steady of second axle seat, have realized the function of the radial float of restriction transmission shaft.
Description
Technical Field
The utility model relates to a spacing technical field of mechanical structure axis of rotation specifically is a prevent stop device of mechanical transmission shaft drunkenness.
Background
The mechanical transmission shaft is a device which consists of structures such as a shaft tube, a telescopic sleeve, a universal joint, a key and the like and is used for realizing the transmission of mechanical energy (generally kinetic energy) from one end of equipment to the other end of the equipment or between another piece of equipment;
due to the influence of errors such as manufacturing and assembly, when a shaft rotates, the space position of a shaft center line and the space position of a shaft end face change at every moment, the deviation of an instantaneous rotation center line relative to an ideal rotation center line on the space position forms the radial play of the shaft, and the change deviation of the position of the shaft end face relative to the ideal position forms the axial play of the shaft, so that the radial play or the axial play of the transmission shaft can reduce the transmission efficiency of the transmission shaft and even cause the structural damage of the transmission shaft, and the function of the transmission shaft fails.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a prevent stop device of mechanical transmission shaft drunkenness to solve the problem that provides among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a prevent stop device of mechanical transmission shaft drunkenness, includes the motionless axle, be connected with a plurality of bracing pieces with articulated mode on the lateral wall of motionless axle, the lower extreme fixed connection of a plurality of bracing pieces is on the lateral wall of fixed wall, the upper end of motionless axle is provided with the transmission shaft, be provided with the first stop device that is used for preventing transmission shaft axial drunkenness between motionless axle and the transmission shaft, support on a plurality of bracing pieces has the second stop device that is used for preventing the radial drunkenness of transmission shaft, the upper end of second stop device cup joints on the lateral wall of transmission shaft.
Preferably, first stop device includes first axle bed, the lower extreme of first axle bed passes through the flange and does not move the upper end fixed connection of axle, the inside fixedly connected with axle bush of first axle bed, it has a plurality of annular to open on the inside wall of axle bush, the inside rotation of axle bush is connected with the many rings axle, the ring piece sliding connection on the many rings axle lateral wall is in the inside of annular, the upper end of many rings axle is passed through the flange and is connected with the transmission shaft.
Preferably, the outer side wall of the first shaft seat is connected with a plurality of countersunk bolts in a meshed mode, and the inner ends of the countersunk bolts are connected to the outer side wall of the bearing bush in a meshed mode.
Preferably, the second limiting device comprises a second shaft seat, a plurality of connecting rods are connected to the outer side wall of the second shaft seat in a hinged mode, the lower ends of the connecting rods are connected to the supporting rod through lock catches, a shaft sleeve is arranged inside the second shaft seat, a bearing convenient to rotate is arranged between the shaft sleeve and the second shaft seat, and the shaft sleeve is rotatably sleeved on the transmission shaft.
Preferably, the outer side wall of the transmission shaft is connected with two nuts for adjusting and fixing the position of the shaft sleeve in a meshed manner.
Preferably, the outer side wall of the lock catch is connected with a positioning bolt in a meshed mode, and the inner end of the positioning bolt is movably connected with the side wall of the supporting rod.
Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses a multiloop shaft is along with the rotation of transmission shaft, and the ring piece can be at this moment in the inside rotational sliding of annular, and the ring piece has avoided the axial float of multiloop shaft in the axle bush inside like this, has realized the function of the axial float of restriction transmission shaft then; cup joint on the transmission shaft through the axle sleeve, and the connecting rod plays the effect of supporting fixed second axle seat, makes the axle sleeve when then rotating along with the transmission shaft, and two bearings make the axle sleeve rotate at the inside radial steady of second axle seat, have realized the function of the radial float of restriction transmission shaft.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention;
fig. 2 is an enlarged view of fig. 1 at a according to the present invention;
fig. 3 is a schematic structural view of the stationary shaft, the first shaft seat, the second shaft seat and the transmission shaft of the present invention;
fig. 4 is a cross-sectional view of the overall structure of the present invention;
fig. 5 is a cross-sectional view of the stationary shaft, the transmission shaft, the first shaft seat and the multi-ring shaft of the present invention;
fig. 6 is an exploded view of the first position limiting device of the present invention;
fig. 7 is an exploded view of the second shaft seat, the shaft sleeve and the bearing of the present invention.
In the figure: 1. the device comprises a fixed shaft, 2, a support rod, 3, a fixed wall surface, 4, a transmission shaft, 5, a first limiting device, 501, a first shaft seat, 502, a bearing bush, 503, a multi-ring shaft, 504, a ring block, 505, a ring groove, 506, a countersunk head bolt, 6, a second limiting device, 601, a second shaft seat, 602, a connecting rod, 603, a lock catch, 604, a shaft sleeve, 605, a bearing, 7, a nut, 8 and a positioning bolt.
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 without creative work belong to the protection scope of the present invention.
Referring to fig. 1-7, the present invention provides a technical solution: a limiting device for preventing a mechanical transmission shaft from moving comprises a fixed shaft 1, wherein a plurality of supporting rods 2 are connected to the side wall of the fixed shaft 1 in a hinged mode, the lower ends of the supporting rods 2 are fixedly connected to the side wall of a fixed wall 3, the connecting positions of the supporting rods 2 and the fixed wall 3 are connected in a welding mode, the supporting rods 2 serve the purpose of supporting the fixed shaft 1 (as shown in figure 1), a transmission shaft 4 is arranged at the upper end of the fixed shaft 1, the transmission shaft 4 is a device for transmitting mechanical energy from one end of equipment to the other end of the equipment or between another piece of equipment, the transmission shaft 4 rotates on the device, a first limiting device 5 for preventing the transmission shaft 4 from moving axially is arranged between the fixed shaft 1 and the transmission shaft 4, and a second limiting device 6 for preventing the transmission shaft 4 from moving radially is supported on the supporting rods 2, the upper end of the second limiting device 6 is sleeved on the outer side wall of the transmission shaft 4.
When the transmission shaft 4 rotates, in order to prevent the transmission shaft 4 from moving axially, specifically, the first limiting device 5 includes a first shaft seat 501, a lower end of the first shaft seat 501 is fixedly connected to an upper end of the stationary shaft 1 through a flange, as shown in fig. 6, the first shaft seat 501 (lower end) and the stationary shaft 1 (upper end) are respectively provided with a flange, when in connection, the first shaft seat 501 is attached to the flange on the stationary shaft 1 and then fixed by screws, a bearing shell 502 is fixedly connected to the inside of the first shaft seat 501, a plurality of annular grooves 505 are formed on an inner side wall of the bearing shell 502, the inside of the bearing shell 502 is rotatably connected with a multi-ring shaft 503, a ring block 504 on a side wall of the multi-ring shaft 503 is slidably connected to the inside of the annular groove 505, an upper end of the multi-ring shaft 503 is connected to the transmission shaft 4 through a flange, flanges are respectively arranged on an upper end of the multi-ring shaft 503, during connection, the multi-ring shaft 503 is attached to the flange on the transmission shaft 4 and then is fixedly connected through screws, during connection, the first shaft seat 501 is attached to the flange on the fixed shaft 1 and then is fixedly connected through screws, when the transmission shaft 4 rotates, the rotating shaft 4 drives the multi-ring shaft 503 to rotate together, so that the ring block 504 slides and rotates in the annular groove 505 during rotation of the multi-ring shaft 503, and axial movement of the transmission shaft 4 is effectively prevented.
In order to fix the bearing pad 502 inside the first shaft seat 501, specifically, a plurality of countersunk bolts 506 are engaged and connected to the outer side wall of the first shaft seat 501, and the inner ends of the countersunk bolts 506 are engaged and connected to the outer side wall of the bearing pad 502, as shown in fig. 6, when the bearing pad 502 is placed inside the first shaft seat 501, the countersunk bolts 506 are screwed to the bearing pad 502 from the inside of the first shaft seat 501, so that the bearing pad 502 can be fixed inside the first shaft seat 501.
When the transmission shaft 4 rotates, in order to prevent the transmission shaft 4 from moving radially, specifically, the second limiting device 6 includes a second shaft base 601, a plurality of connecting rods 602 are connected to an outer side wall of the second shaft base 601 in a hinged manner, lower ends of the connecting rods 602 are connected to the supporting rod 2 through a lock 603, a shaft sleeve 604 is disposed inside the second shaft base 601, a bearing 605 convenient for rotation is disposed between the shaft sleeve 604 and the second shaft base 601, the bearing 605 is composed of an inner ring, an outer ring and balls, the balls are disposed between the inner ring and the outer ring (the bearing 605 is a prior art product, and therefore is not shown in the figure), the inner ring is fixedly connected with the shaft sleeve 604, the outer ring is fixedly connected with the second shaft base 601, when the transmission shaft 4 rotates, the balls between the inner ring and the outer ring play a role of reducing friction, thereby reducing rotation loss, the shaft sleeve 604 is rotatably sleeved on the transmission shaft 4, when the transmission shaft 4 rotates, the transmission shaft 4 drives the shaft sleeve 604 and the inner ring of the bearing 605 to rotate, at the moment, the second shaft seat 601 is supported and fixed by the connecting rods 602 from the periphery, so that the position of the second shaft seat 601 is stable, and the transmission shaft 4 is effectively prevented from moving radially under the limitation of the second shaft seat 601 and the shaft sleeve 604.
Specifically, a nut 7 for adjusting and fixing the position of the shaft sleeve 604 is engaged and connected to the outer side wall of the transmission shaft 4, the locking nut 7 is connected to the transmission shaft 4 through a screw thread and contacts with the lower end of the shaft sleeve 604, so as to position the inner ring of the bearing 605 by the shaft sleeve 604, the outer contour of the nut 7 can be polygonal (not shown in the figure), so as to facilitate the rotation of the nut 7 by a wrench, such as a hexagon, the number of the nuts 7 is two, the nut 7 slides up and down on the transmission shaft 4 against the shaft sleeve 604 by screwing the nut 7 on the upper side, so as to adjust the position of the inner ring of the bearing 605 (the shaft sleeve 604) on the transmission shaft 4, after the position is adjusted, the nut 7 on the lower side is rotated upwards to make the nut 7 on the lower side cling to the nut 7 on the upper side, and the axial force generated between the two nuts 7 increases the friction force between the, in addition, the nut 7 is rotated to enable the shaft sleeve 604 to drive the second shaft seat 601 to slide on the transmission shaft 4, so that a hinge point among the support rod 2, the fixed shaft 1, the connecting rod 602 and the second shaft seat 601 can be fixed, the movement of the hinge point is prevented, and the rotation stability of the transmission shaft 4 is influenced.
Specifically, the outer side wall of the lock catch 603 is engaged with the positioning bolt 8, the inner end of the positioning bolt 8 is movably connected with the side wall of the support rod 2, as shown in fig. 2, the lock catch 603 can slide on the support rod 2 to adjust the position of the connecting rod 602 (adjusting the connecting rod 602 makes the second shaft base 601 and the stationary shaft 1 on the same axis, even if the transmission shaft 4 and the stationary shaft 1 are on the same axis), after the position of the lock catch 603 is determined, the positioning bolt 8 is rotated inwards, so that the inner end of the positioning bolt 8 can press the side wall of the support rod 2, and thus the position of the lock catch 603 can be fixed quickly.
The working principle is as follows: when the transmission shaft 4 rotates, the rotating shaft 4 drives the multi-ring shaft 503 to rotate, so that the ring blocks 504 slide and rotate in the annular grooves 505 during the rotation of the multi-ring shaft 503, and further, the axial movement of the transmission shaft 4 is effectively prevented, meanwhile, the transmission shaft 4 can also drive the shaft sleeve 604 and the inner ring of the bearing 605 to rotate, at the moment, as the plurality of connecting rods 602 all play a role in supporting and fixing the second shaft seat 601, the stability of the second shaft seat 601 is improved, and at the moment, under the limitation of the second shaft seat 601 and the shaft sleeve 604, the radial movement of the transmission shaft 4 is effectively prevented.
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 (6)
1. The utility model provides a prevent stop device of mechanical transmission shaft drunkenness, includes not moving axle (1), its characterized in that: be connected with a plurality of bracing pieces (2) with articulated mode on the lateral wall of motionless axle (1), the lower extreme fixed connection of a plurality of bracing pieces (2) is on the lateral wall of fixed wall (3), the upper end of motionless axle (1) is provided with transmission shaft (4), be provided with between motionless axle (1) and transmission shaft (4) and be used for preventing first stop device (5) of transmission shaft (4) axial float, support on a plurality of bracing pieces (2) and have second stop device (6) that are used for preventing transmission shaft (4) radial float, the upper end of second stop device (6) cup joints on the lateral wall of transmission shaft (4).
2. The limiting device for preventing the mechanical transmission shaft from moving as claimed in claim 1, wherein: first stop device (5) include first axle bed (501), the upper end fixed connection of flange and fixed axle (1) is passed through to the lower extreme of first axle bed (501), inside fixedly connected with axle bush (502) of first axle bed (501), it has a plurality of annular grooves (505) to open on the inside wall of axle bush (502), the internal rotation of axle bush (502) is connected with many annulars (503), ring piece (504) sliding connection on many annulars (503) lateral wall is in the inside of annular groove (505), the upper end of many annulars (503) is passed through the flange and is connected with transmission shaft (4).
3. The limiting device for preventing the mechanical transmission shaft from moving as claimed in claim 2, wherein: the outer side wall of the first shaft seat (501) is connected with a plurality of countersunk head bolts (506) in a meshed mode, and the inner ends of the countersunk head bolts (506) are connected to the outer side wall of the bearing bush (502) in a meshed mode.
4. The limiting device for preventing the mechanical transmission shaft from moving as claimed in claim 1, wherein: the second limiting device (6) comprises a second shaft seat (601), a plurality of connecting rods (602) are connected to the outer side wall of the second shaft seat (601) in a hinged mode, the lower ends of the connecting rods (602) are connected to the supporting rod (2) through lock catches (603), a shaft sleeve (604) is arranged inside the second shaft seat (601), a bearing (605) convenient to rotate is arranged between the shaft sleeve (604) and the second shaft seat (601), and the shaft sleeve (604) is rotatably sleeved on the transmission shaft (4).
5. The limiting device for preventing the mechanical transmission shaft from moving as claimed in claim 4, wherein: the outer side wall of the transmission shaft (4) is connected with two nuts (7) used for adjusting and fixing the position of the shaft sleeve (604) in a meshed mode.
6. The limiting device for preventing the mechanical transmission shaft from moving as claimed in claim 4, wherein: the outer side wall of the lock catch (603) is connected with a positioning bolt (8) in a meshed mode, and the inner end of the positioning bolt (8) is movably connected with the side wall of the supporting rod (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021526085.4U CN213088540U (en) | 2020-07-29 | 2020-07-29 | Limiting device for preventing mechanical transmission shaft from moving |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021526085.4U CN213088540U (en) | 2020-07-29 | 2020-07-29 | Limiting device for preventing mechanical transmission shaft from moving |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213088540U true CN213088540U (en) | 2021-04-30 |
Family
ID=75627126
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021526085.4U Expired - Fee Related CN213088540U (en) | 2020-07-29 | 2020-07-29 | Limiting device for preventing mechanical transmission shaft from moving |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213088540U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113315306A (en) * | 2021-06-01 | 2021-08-27 | 南京工程学院 | Axial movement energy recovery system for wet motor |
-
2020
- 2020-07-29 CN CN202021526085.4U patent/CN213088540U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113315306A (en) * | 2021-06-01 | 2021-08-27 | 南京工程学院 | Axial movement energy recovery system for wet motor |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210430 |