CN213265577U - Combined type screw rod elevator - Google Patents
Combined type screw rod elevator Download PDFInfo
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- CN213265577U CN213265577U CN202022048094.3U CN202022048094U CN213265577U CN 213265577 U CN213265577 U CN 213265577U CN 202022048094 U CN202022048094 U CN 202022048094U CN 213265577 U CN213265577 U CN 213265577U
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- worm
- case
- lead screw
- worm wheel
- fixedly connected
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Abstract
The utility model belongs to the technical field of the technique that the speed reducer was made and specifically relates to a modular spiral lead screw lift is related to, and it includes quick-witted case, worm wheel and lead screw, and worm wheel and worm all set up at quick-witted incasement, and worm wheel and worm all rotate with quick-witted case to be connected, worm wheel and worm meshing, lead screw and worm wheel threaded connection, and quick-witted case is all worn out at the both ends of lead screw, the one end of worm is provided with the driving piece, is provided with tertiary gear reducer between driving piece and the worm, driving piece and tertiary gear reducer's input shaft fixed connection, worm and tertiary gear reducer. This application has the effect of the stability when promotion lift drives the heavy object and goes up and down.
Description
Technical Field
The application relates to the technical field of speed reducer manufacturing, in particular to a combined type spiral lead screw lifter.
Background
At present, the elevator is used as an electric driving device for reciprocating motion and is used in various complex or simple process flows, so that the elevator is used as an electric actuating mechanism to realize remote centralized control.
In the prior art, reference is made to chinese patent No. CN204417068U, which discloses a spiral elevator, including an elevator case, a worm wheel and a lead screw, wherein the worm and the worm wheel are both installed in the elevator case, the worm and the worm wheel are both rotatably connected with the elevator case, the worm wheel is engaged with the worm, the lead screw is in threaded connection with the worm wheel, the elevator case is connected with a power input unit, and the power input unit is connected with one end of the worm. When the elevator is used, firstly, a heavy object and one end of the screw rod, which is far away from the worm wheel, are fixed, then the power input unit is utilized to drive the worm to rotate, the worm drives the worm wheel to rotate, and the worm wheel enables the screw rod to drive the heavy object to lift.
With respect to the related art among the above, the inventors consider that the following drawbacks exist: the lead screw drives the heavy object to be unstable when the heavy object is lifted only through the speed reduction of the worm wheel and the worm.
SUMMERY OF THE UTILITY MODEL
In order to promote the stability when lift drives the heavy object and goes up and down, this application provides a modular screw lift.
The application provides a modular screw lift adopts following technical scheme:
the utility model provides a modular spiral lead screw lift, includes quick-witted case, worm wheel and lead screw, and worm wheel and worm all set up at quick-witted incasement, and worm wheel and worm all rotate with quick-witted case to be connected, worm wheel and worm meshing, lead screw and worm wheel threaded connection, quick-witted case is all worn out at the both ends of lead screw, the one end of worm is provided with the driving piece, is provided with tertiary gear reducer between driving piece and the worm, driving piece and tertiary gear reducer's input shaft fixed connection, worm and tertiary gear reducer fixed connection.
Through adopting above-mentioned technical scheme, through setting up tertiary gear reducer between worm and driving piece, because driving piece and tertiary gear reducer's input shaft fixed connection, the output shaft fixed connection of worm and tertiary gear reducer, so the driving piece drives the input shaft rotation of tertiary gear reducer, after the speed reduction of tertiary gear reducer, the output shaft of rethread tertiary gear reducer drives the worm and rotates, the worm drives the worm wheel and rotates, the worm wheel drives the relative casing of lead screw and slides, make the lead screw drive the heavy object and go up and down, utilize the deceleration performance of tertiary gear reducer, the deceleration performance of reunion worm wheel and worm, thereby obtain great drive ratio, realize low heavy-duty transmission, reach the purpose that promotes the lift and drive the stability when heavy object goes up and down.
Preferably, a tapered roller bearing is arranged between the worm and the case, an outer ring of the tapered roller bearing is fixedly connected with the case, and the worm is fixedly connected with an inner ring of the tapered roller bearing.
By adopting the technical scheme, the friction force between all shafts in the elevator body and the elevator body during rotation is reduced by arranging the tapered roller bearing, the energy loss in the speed reduction transmission is reduced, and the transmission performance of the elevator is improved.
Preferably, an oil seal is arranged between the worm and the case, the oil seal is arranged close to the tapered roller bearing, and the oil seal is fixedly connected with the case.
Through adopting above-mentioned technical scheme, through setting up the oil blanket, seal the lubricating oil of quick-witted incasement, avoid the lubricating oil outflow quick-witted case of worm wheel and worm department, promote the leakproofness of quick-witted case.
Preferably, a thrust bearing is arranged between the worm wheel and the case, an outer ring of the thrust bearing is fixedly connected with the case, and the worm wheel is fixedly connected with an inner ring of the thrust bearing.
Through adopting above-mentioned technical scheme, utilize thrust bearing to reduce the frictional force and the stress between worm wheel and the quick-witted case, make the worm wheel can work smoothly to the durability of extension worm wheel.
Preferably, one end of the screw rod is provided with a protective sleeve, the protective sleeve is sleeved on the outer side of the screw rod, and a fixing assembly is arranged between the protective sleeve and the case.
Through adopting above-mentioned technical scheme, through setting up the lag to the lag sets up in the outside of lead screw, utilizes fixed subassembly to fix back with lag and quick-witted case, accomplishes the protection to the lead screw, promotes the life of lead screw.
Preferably, the protective sleeve is filled with grease.
By adopting the technical scheme, the screw rod is lubricated by filling grease in the protective sleeve, and the smoothness of the screw rod when the worm wheel moves is improved.
Preferably, the fixing assembly comprises a fixing sleeve and a fixing bolt, the fixing sleeve is sleeved on the outer side of the screw rod and fixedly connected with the protecting sleeve, and one end of the fixing bolt penetrates through the fixing sleeve to be in threaded connection with the case.
By adopting the technical scheme, when the protective sleeve is fixed with the case, the protective sleeve is firstly moved to be close to the case, the protective sleeve drives the fixed sleeve to be abutted against the case due to the fact that the fixed sleeve is fixed with the protective sleeve, then the fixing bolt is moved, one end of the fixing bolt penetrates through the fixed sleeve to be in threaded connection with the case, and the protective sleeve is fixed with the case through the fixed sleeve.
Preferably, a connecting bolt is arranged between the fixed sleeve and the protective sleeve, and one end of the connecting bolt penetrates through the protective sleeve to be in threaded connection with the fixed sleeve.
Through adopting above-mentioned technical scheme, when fixed cover and lag are connected, remove the lag cover and establish in the fixed cover outside, then recycle connecting bolt and pass behind the lag with fixed cover threaded connection, make lag and fixed cover fixed, make lag and fixed cover dismantle with fixed cover through setting up connecting bolt and be connected, promote the convenience when lag or fixed cover are changed.
Preferably, a sealing gasket is arranged between the screw rod and the case, and the sealing gasket is fixedly connected with the fixed sleeve.
By adopting the technical scheme, the sealing gasket is arranged to fill the gap between the lead screw and the case, so that the sealing performance of the case is further improved.
In summary, the present application includes at least one of the following beneficial technical effects:
1. the three-level gear reducer is arranged between the driving piece and the worm, so that the transmission ratio of the lifter is improved, low-speed heavy-load transmission is realized, and the aim of improving the stability of the lifter when the lifter drives a heavy object to lift is fulfilled;
2. by arranging the protective sleeve and filling grease in the protective sleeve, the smoothness of the screw rod when moving relative to the worm wheel is improved;
3. through setting up circular cone roller bearing and thrust bearing, promote the smooth and easy nature when worm wheel and worm rotate relative to quick-witted case.
Drawings
FIG. 1 is a schematic structural diagram of the present application;
FIG. 2 is a schematic view intended to show a dust seal;
FIG. 3 is an enlarged partial schematic view of portion A of FIG. 2;
fig. 4 is a partially enlarged schematic view of a portion B in fig. 2.
In the figure, 1, a machine body; 11. a chassis; 12. a worm gear; 13. a worm; 14. a lead screw; 2. a three-stage gear reducer; 3. a drive member; 4. a tapered roller bearing; 5. oil sealing; 6. a thrust bearing; 7. a protective sleeve; 8. a fixing assembly; 81. fixing a sleeve; 811. a gasket; 82. fixing the bolt; 9. a connecting bolt; 10. a dust seal device; 101. a bearing seat; 102. a guide sleeve; 103. an organ cover.
Detailed Description
The present application is described in further detail below with reference to figures 1-4.
The embodiment of the application discloses a combined type screw rod lifter. Referring to fig. 1 and 2, a combined screw 14 elevator includes a machine body 1, a driving member 3 and a three-level gear reducer 2, the three-level gear reducer 2 is disposed between the driving member 3 and the machine body 1, the driving member 3 is disposed as a motor, an input shaft of the three-level gear reducer 2 is fixedly connected to the driving member 3, and an output shaft of the three-level gear reducer 2 is fixedly connected to the machine body 1. When the elevator is used, firstly, the starting motor drives the input shaft of the three-level gear speed reducer 2 to rotate, after the speed reduction of the three-level gear speed reducer 2, the output shaft of the three-level gear speed reducer 2 is conveyed into the machine body 1, the transmission ratio of the elevator is improved by arranging the three-level gear speed reducer 2, the low-speed heavy-load transmission is realized, and the purpose of improving the stability of the elevator when the elevator drives a heavy object to ascend and descend is achieved.
Referring to fig. 1, the machine body 1 includes a case 11, a worm 13, a worm wheel 12 and a lead screw 14, the lead screw 14 is a T-shaped lead screw 14, the worm wheel 12, the worm 13 and the lead screw 14 are all arranged in the case 11, the worm wheel 12 and the worm 13 are both rotatably connected with the case 11, the worm wheel 12 is meshed with the worm 13, the lead screw 14 is in threaded connection with the worm wheel 12, both ends of the lead screw 14 penetrate out of the case 11, one end of the lead screw 14 is provided with a protective sleeve 7, the protective sleeve 7 is sleeved on the outer side of the lead screw 14, a fixing component 8 is arranged between the protective sleeve 7 and the case 11, grease is filled in the protective sleeve 7, and. The three-level gear reducer 2 drives the worm 13 to rotate, the worm 13 drives the worm wheel 12 to rotate, the worm wheel 12 rotates to drive the lead screw 14 to slide, and the lead screw 14 slides relative to the protective sleeve 7.
Referring to fig. 1 and 3, tapered roller bearings 4 are arranged between a worm 13 and a case 11, the number of the tapered roller bearings 4 is two, outer rings of the two tapered roller bearings 4 are fixedly connected with the case 11, inner rings of the two tapered roller bearings 4 are fixedly connected with two ends of the worm 13 respectively, an oil seal 5 is arranged between the worm 13 and the case 11, the oil seal 5 is arranged at a position close to the tapered roller bearings 4, and the oil seal 5 is fixedly connected with the case 11; thrust bearings 6 are arranged between the worm wheel 12 and the case 11, the number of the thrust bearings 6 is two, the outer rings of the two thrust bearings 6 are fixedly connected with the case 11, and the inner rings of the two thrust bearings 6 are fixedly connected with the two ends of the worm wheel 12 respectively. When the three-stage gear reducer 2 drives the worm 13 to rotate, the worm 13 rotates relative to the case 11 through the tapered roller bearing 4, and when the worm 13 drives the worm wheel 12 to rotate, the worm wheel 12 rotates relative to the case 11 through the thrust bearing 6.
Referring to fig. 2 and 3, the fixing assembly 8 includes a fixing sleeve 81 and a fixing bolt 82, the fixing sleeve 81 is sleeved on the outer side of the screw 14, a connecting bolt 9 is arranged between the fixing sleeve 81 and one end of the protecting sleeve 7 close to the case 11, and one end of the connecting bolt 9 penetrates through the protecting sleeve 7 and is in threaded connection with the fixing sleeve 81; one end of the fixing bolt 82 penetrates through the fixing sleeve 81 to be in threaded connection with the case 11, one end, far away from the protective sleeve 7, of the fixing sleeve 81 is fixedly connected with a sealing gasket 811, and the sealing gasket 811 is arranged between the screw 14 and the case 11. When the protective sleeve 7 is installed, the protective sleeve 7 is firstly moved to be sleeved on the outer side of the fixed sleeve 81, then the connecting bolt 9 is moved, one end of the connecting bolt 9 penetrates through the protective sleeve 7 to be in threaded connection with the fixed sleeve 81, then the fixed sleeve 81 is moved to drive the sealing gasket 811 to be inserted between the lead screw 14 and the case 11, and the movable fixing bolt 82 penetrates through the fixed sleeve 81 to be in threaded connection with the case 11, so that the protective sleeve 7 and the case 11 are fixed.
Referring to fig. 4, the dustproof sealing device 10 includes a bearing seat 101, a guide sleeve 102 and an organ cover 103, the bearing seat 101 is disposed at one end of the lead screw 14, which is far away from the protective sleeve 7, of the lead screw 14 and the case 11, the bearing seat 101 is fixedly connected with the case 11, the lead screw 14 is slidably connected with the bearing seat 101, the guide sleeve 102 is disposed between the lead screw 14 and the bearing seat 101, the guide sleeve 102 is fixedly connected with the bearing seat 101, the lead screw 14 is slidably connected with the guide sleeve 102, one end of the organ cover 103 is fixedly connected with the guide sleeve 102, and the other end of the organ cover 103 is fixedly connected with the. The lead screw 14 slides relative to the case 11, the lead screw 14 slides relative to the bearing seat 101 and the guide sleeve 102, and the lead screw 14 drives the organ cover 103 to extend and retract.
The implementation principle of the combined screw rod lifter provided by the embodiment of the application is as follows: when the elevator is used, firstly, the driving part 3 is started to drive the input shaft of the three-stage gear reducer 2 to be in rotating connection, after the speed of the three-stage gear reducer 2 is reduced, the output shaft of the three-stage gear reducer 2 drives the worm 13 to rotate, the worm 13 rotates relative to the case 11 through the tapered roller bearing 4, the worm 13 rotates to drive the meshed worm wheel 12 to rotate, the worm wheel 12 rotates relative to the case 11 through the thrust bearing 6, the worm wheel 12 rotates to drive the lead screw 14 to slide relative to the case 11, one end of the lead screw 14 slides in the protective sleeve 7, the other end of the lead screw 14 slides relative to the bearing seat 101 and the guide sleeve 102, the lead screw 14 drives the organ cover 103 to stretch, the lead screw 14 drives the heavy object to lift, and in conclusion, the purpose of improving the stability when the elevator.
The embodiments of the present invention are preferred embodiments of the present application, and the scope of protection of the present application is not limited by the embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (9)
1. The utility model provides a modular screw lift, includes quick-witted case (11), worm (13), worm wheel (12) and lead screw (14), and worm wheel (12) and worm (13) all set up in quick-witted case (11), and worm wheel (12) and worm (13) all rotate with quick-witted case (11) and are connected, and worm wheel (12) mesh with worm (13), lead screw (14) and worm wheel (12) threaded connection, and quick-witted case (11), its characterized in that are all worn out at the both ends of lead screw (14): one end of the worm (13) is provided with a driving piece (3), a three-level gear reducer (2) is arranged between the driving piece (3) and the worm (13), the driving piece (3) is fixedly connected with an input shaft of the three-level gear reducer (2), and the worm (13) is fixedly connected with the three-level gear reducer (2).
2. A modular screw elevator according to claim 1, characterised in that: a tapered roller bearing (4) is arranged between the worm (13) and the case (11), the outer ring of the tapered roller bearing (4) is fixedly connected with the case (11), and the worm (13) is fixedly connected with the inner ring of the tapered roller bearing (4).
3. A modular screw elevator according to claim 2, characterised in that: an oil seal (5) is arranged between the worm (13) and the case (11), the oil seal (5) is arranged close to the tapered roller bearing (4), and the oil seal (5) is fixedly connected with the case (11).
4. A modular screw elevator according to claim 1, characterised in that: a thrust bearing (6) is arranged between the worm wheel (12) and the case (11), the outer ring of the thrust bearing (6) is fixedly connected with the case (11), and the worm wheel (12) is fixedly connected with the inner ring of the thrust bearing (6).
5. A modular screw elevator according to claim 1, characterised in that: one end of the lead screw (14) is provided with a protective sleeve (7), the protective sleeve (7) is sleeved on the outer side of the lead screw (14), and a fixing assembly (8) is arranged between the protective sleeve (7) and the case (11).
6. A modular screw elevator according to claim 5, characterised in that: and grease is filled in the protective sleeve (7).
7. A modular screw elevator according to claim 5, characterised in that: fixed subassembly (8) are established in the outside of lead screw (14) including fixed cover (81) and fixing bolt (82), fixed cover (81) cover, fixed cover (81) and lag (7) fixed connection, and fixed cover (81) and quick-witted case (11) threaded connection are passed to the one end of fixing bolt (82).
8. A modular screw elevator according to claim 7, characterised in that: and a connecting bolt (9) is arranged between the fixed sleeve (81) and the protective sleeve (7), and one end of the connecting bolt (9) penetrates through the protective sleeve (7) to be in threaded connection with the fixed sleeve (81).
9. A modular screw elevator according to claim 7, characterised in that: a sealing gasket (811) is arranged between the screw rod (14) and the case (11), and the sealing gasket (811) is fixedly connected with the fixing sleeve (81).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022048094.3U CN213265577U (en) | 2020-09-17 | 2020-09-17 | Combined type screw rod elevator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022048094.3U CN213265577U (en) | 2020-09-17 | 2020-09-17 | Combined type screw rod elevator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213265577U true CN213265577U (en) | 2021-05-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022048094.3U Active CN213265577U (en) | 2020-09-17 | 2020-09-17 | Combined type screw rod elevator |
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| CN (1) | CN213265577U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115321406A (en) * | 2022-09-16 | 2022-11-11 | 杭州一鼎传动机械有限公司 | Worm wheel lead screw type elevator |
-
2020
- 2020-09-17 CN CN202022048094.3U patent/CN213265577U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115321406A (en) * | 2022-09-16 | 2022-11-11 | 杭州一鼎传动机械有限公司 | Worm wheel lead screw type elevator |
| CN115321406B (en) * | 2022-09-16 | 2023-06-27 | 杭州一鼎传动机械有限公司 | Worm wheel screw type lifter |
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