CN215974720U - Oil leakage prevention device of linear lifting mechanism - Google Patents
Oil leakage prevention device of linear lifting mechanism Download PDFInfo
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- CN215974720U CN215974720U CN202122342032.8U CN202122342032U CN215974720U CN 215974720 U CN215974720 U CN 215974720U CN 202122342032 U CN202122342032 U CN 202122342032U CN 215974720 U CN215974720 U CN 215974720U
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- winding drum
- speed reducer
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- box body
- lifting mechanism
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Abstract
The utility model discloses an oil leakage prevention device of a linear lifting mechanism, which belongs to the field of lifting devices and comprises a rack, a motor, a speed reducer, a winding drum and a bearing seat, wherein the output end of the motor is connected with the speed reducer, a box body of the speed reducer is connected with the other end of the winding drum, a first supporting rod is arranged at the center of the winding drum, a second supporting rod connected with the inner side wall of the winding drum is arranged in the box body of the speed reducer, and the first supporting rod and the second supporting rod are perpendicular to a bearing assembly. This device is through improving the reduction gear, has changed the output direction of reduction gear, and reduction gear lug connection reel and drive the rotation, has saved output shaft assembly among the original technique to reduce the oil leak point, solved the reduction gear harm problem because of the oil leak causes, saved the oil consumption, practiced thrift the cost. On the basis of the existing equipment, the output shaft assembly is reduced, namely, parts are reduced in one mechanism, the production and manufacturing difficulty is reduced, meanwhile, the cost is saved, and the cost performance of the product is improved.
Description
Technical Field
The utility model relates to the field of lifting devices, in particular to an oil leakage prevention device of a linear lifting mechanism.
Background
The lifting device is an important operation device for various tower cranes, port crane cranes and the like. The existing tower crane hoisting device adopts a structural form that a motor, a connector, a brake, a speed reducer and the like are sequentially connected in series, and specifically comprises a motor connected with the speed reducer, wherein the speed reducer drives a winding drum assembly to rotate, an output shaft is arranged in the winding drum assembly, and the two ends of the output shaft are respectively connected with the speed reducer and a bearing seat. The output shaft is used as a power output part, and the power of the motor of the mechanism is output to the winding drum through the speed reducer, so that the output shaft is an important part of the hoisting mechanism. In the conventional structure, an output shaft is connected with a speed reducer and is easy to leak oil, so that the speed reducer is lack of oil and damaged.
SUMMERY OF THE UTILITY MODEL
In order to solve the problems, the utility model provides an oil leakage prevention device for a linear lifting mechanism, which directly uses a speed reducer as an output shaft assembly, omits the existing output shaft and effectively reduces oil leakage points.
In order to achieve the purpose, the utility model is realized by the following technical scheme:
an oil leakage prevention device of a linear lifting mechanism comprises a rack, a motor, a speed reducer, a winding drum and a bearing seat, wherein the output end of the motor is connected with the speed reducer, the speed reducer is connected with the winding drum, the bearing seat is connected to one end of the winding drum, a connector is arranged between the output end of the motor and the speed reducer, the speed reducer comprises a box body and a bearing assembly which is arranged in the box body and drives the box body to rotate, and the bearing assembly is connected with the output end of the motor through the connector; the box body of the speed reducer is connected with the other end of the winding drum, a first supporting rod is arranged at the center of the winding drum, a second supporting rod connected with the inner side wall of the winding drum is arranged on the box body of the speed reducer, and the first supporting rod and the second supporting rod are perpendicular to the bearing assembly.
In another example, the box body is a conical box body, the box body comprises a connecting section, a movable section and a free section which are connected in sequence, the inner diameter of the movable section is larger than that of the free section, the connecting section is fixedly connected with the connector, the movable section is connected with the connecting section, and the movable section rotates by taking the center of the connecting section as an axis; the free section extends towards the bearing seat.
In another exemplary embodiment, the movable section is provided with a first lug, the inner wall of the winding drum is provided with a connecting column extending inwards, and the connecting column is fixedly connected with the first lug through a bolt.
In another example, the end of the connecting section is fixedly connected to the connector through a plurality of evenly distributed bolts, a support column is arranged between two adjacent bolts, and two ends of the support column are respectively inserted into the connecting section of the connector and the connecting section of the box body.
In another example, the bottom of the connecting section is fixedly connected with the frame.
In another exemplary embodiment, the second support bar is disposed at the free section or a connection between the free section and the movable section.
In yet another example, one end of the second support bar is connected to the connection column by a connection bracket, and the connection bracket is parallel to the axis of the bearing assembly.
In another exemplary embodiment, the bearing seat is connected to the center of the end of the winding drum, and the bearing seat is detachably connected to the frame.
In another example, a connecting plate is arranged on the bearing seat, and the connecting plate is detachably connected with the winding drum through a bolt.
The utility model discloses an oil leakage prevention device of a linear lifting mechanism, which has the beneficial effects that:
(1) this device is through improving the reduction gear, has changed the output direction of reduction gear, and reduction gear lug connection reel and drive the rotation, has saved output shaft assembly among the original technique to reduce the oil leak point, solved the reduction gear harm problem because of the oil leak causes.
(2) The oil leakage point is reduced, the oil consumption is saved, and the cost is saved.
(3) On the basis of the existing equipment, the output shaft assembly is reduced, namely, parts are reduced in one mechanism, the production and manufacturing difficulty is reduced, meanwhile, the cost is saved, and the cost performance of the product is improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the internal structure of the present invention;
1 a frame, 2 a motor, 3 a speed reducer, 4 a winding drum, 5 a bearing seat, 6 a connector,
301 box, 302 bearing assembly, 303 connecting section, 304 moving section, 305 free section, 306 first lug, 307 support column;
401 a first support bar, 402 a second support bar, 403 a connecting column, 404 a connecting frame;
501 connecting the boards.
Detailed Description
In order to make the technical solutions of the present invention better understood, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the specification 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.
Example 1
An oil leakage prevention device of a linear lifting mechanism is shown in fig. 1 and fig. 2 and comprises a frame 1, a motor 2, a speed reducer 3, a winding drum 4 and a bearing seat 5, wherein the output end of the motor 2 is connected with the speed reducer 3, the speed reducer 3 is connected with the winding drum 4, the bearing seat 5 is connected with one end of the winding drum 4, a connector 6 is arranged between the output end of the motor 2 and the speed reducer 3, the speed reducer 3 comprises a box body 301 and a bearing assembly 302 which is arranged in the box body 301 and drives the box body 301 to rotate, and the bearing assembly 302 is connected with the output end of the motor 2 through the connector 6; the box 301 of the reducer 3 is connected with the other end of the winding drum 4, a first support rod 401 is arranged at the center of the winding drum 4, a second support rod 402 connected with the inner side wall of the winding drum 4 is arranged on the box 301 of the reducer 3, and the first support rod 401 and the second support rod 402 are both perpendicular to the bearing assembly 302.
In another exemplary embodiment, the box 301 is a conical box 301, the box 301 includes a connecting section 303, a movable section 304 and a free section 305, which are connected in sequence, the inner diameter of the movable section 304 is larger than that of the free section, the connecting section 303 is fixedly connected with the connector 6, the movable section 304 is connected with the connecting section 303, and the movable section 304 rotates around the center of the connecting section 303; the free section 305 extends in the direction of the bearing seat 5.
Specifically, the movable section 304 is provided with a first support lug 306, the inner wall of the winding drum 4 is provided with a connecting column 403 extending inwards, and the connecting column 403 is fixedly connected with the first support lug 306 through a bolt. The end of the connecting section 303 is fixedly connected with the connector 6 through a plurality of evenly distributed bolts, a supporting column 307 is arranged between two adjacent bolts, two ends of the supporting column 307 are respectively inserted into the connecting sections 303 of the connector 6 and the box body 301, and the bottom of the connecting section 303 is fixedly connected with the rack 1. The support column 307 is able to share some of the pressure, thereby increasing the life of the bolt. And the support column 307 provided at the connection section 303, together with the upward support of the bearing housing 5, can provide a supporting force to the entire decelerator 3 and the winding drum 4.
In the present invention, the second support bar 402 is disposed at the connection point of the free section 305 and the movable section 304, and may be disposed at the free section 305. One end of the second support bar 402 is connected to the connection post 403 by a connection bracket 404, and the connection bracket 404 is parallel to the axis of the bearing assembly 302. The setting of the second support rod 402 and the connecting frame 404 can make the speed reducer 3 and the winding drum 4 more stable, and the rotation is more stable and accurate.
In the utility model, the bearing seat 5 is connected to the center of the end part of the winding drum 4, and the bearing seat 5 is detachably connected to the frame 1. Specifically, a connecting plate 501 is arranged on the bearing seat 5, and the connecting plate 501 is detachably connected with the winding drum 4 through a bolt. The bearing seat 5 and the connecting section 303 are fixed on the frame 1 together, and the whole device is stabilized.
In the present invention, the output end of the motor 2 is connected to the connection section 303 of the speed reducer 3 through the connector 6, the speed reducer 3 rotates under the driving of the motor 2, the movable section 304 of the speed reducer 3 also rotates, and the power transmission drives the drum 4 to rotate for operation because one end of the drum 4 is fixed to the movable section 304. The output direction of the speed reducer 3 is changed from the previous free section 305 to the current movable section 304, the output direction is changed, the speed reducer 3 achieves stable support of the winding drum 4 through a specific structure, and an output shaft assembly in the prior art is omitted, so that oil leakage points are reduced, the problem of damage to the speed reducer 3 caused by oil leakage is solved, oil consumption is saved, and cost is saved. In addition, on the basis of the existing equipment, the output shaft assembly is reduced, namely, parts are reduced in one mechanism, the production and manufacturing difficulty is reduced, the cost is saved, and the cost performance of the product is improved.
In the present invention, the structure of the motor 2, the rotating shaft assembly of the reducer 3, and the bearing seat 5 are conventional components well known to those skilled in the art, and the type number can be freely selected by the function thereof, so the structure and principle thereof will not be described herein.
Reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment can be included in at least one embodiment of the utility model. The appearances of the phrase in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. It is explicitly and implicitly understood by one skilled in the art that the embodiments described herein can be combined with other embodiments.
Claims (9)
1. The oil leakage preventing device of the linear lifting mechanism comprises a rack, a motor, a speed reducer, a winding drum and a bearing seat, wherein the output end of the motor is connected with the speed reducer, the speed reducer is connected with the winding drum, the bearing seat is connected to one end of the winding drum, a connector is arranged between the output end of the motor and the speed reducer, the speed reducer comprises a box body and a bearing assembly which is arranged in the box body and drives the box body to rotate, and the bearing assembly is connected with the output end of the motor through the connector; the method is characterized in that: the box body of the speed reducer is connected with the other end of the winding drum, a first supporting rod is arranged at the center of the winding drum, a second supporting rod connected with the inner side wall of the winding drum is arranged on the box body of the speed reducer, and the first supporting rod and the second supporting rod are perpendicular to the bearing assembly.
2. The oil leakage prevention device of the linear lifting mechanism according to claim 1, characterized in that: the box body is a conical box body and comprises a connecting section, a movable section and a free section which are sequentially connected, the inner diameter of the movable section is larger than that of the free section, the connecting section is fixedly connected with the connector, the movable section is connected with the connecting section, and the movable section rotates by taking the center of the connecting section as an axis; the free section extends towards the bearing seat.
3. An oil leakage prevention device of a linear lifting mechanism according to claim 2, characterized in that: the movable section is provided with a first lug, the inner wall of the winding drum is provided with a connecting column extending inwards, and the connecting column is fixedly connected with the first lug through a bolt.
4. An oil leakage prevention device of a linear lifting mechanism according to claim 3, characterized in that: the end of the connecting section is fixedly connected with the connector through a plurality of evenly distributed bolts, a supporting column is arranged between every two adjacent bolts, and the two ends of the supporting column are respectively inserted into the connecting section of the connector and the connecting section of the box body.
5. An oil leakage prevention device of a linear lifting mechanism according to claim 4, characterized in that: the bottom of the connecting section is fixedly connected with the rack.
6. An oil leakage prevention device of a linear lifting mechanism according to claim 2, characterized in that: the second supporting rod is arranged at the free section or the joint of the free section and the movable section.
7. An oil leakage prevention device of a linear lifting mechanism according to claim 3, characterized in that: one end of the second supporting rod is connected with the connecting column through a connecting frame, and the connecting frame is parallel to a shaft of the bearing assembly.
8. The oil leakage prevention device of the linear lifting mechanism according to claim 1, characterized in that: the bearing frame is connected in the center of reel tip, just the bearing frame can dismantle the connection in on the frame.
9. An oil leakage prevention device of a linear lifting mechanism according to claim 7, characterized in that: the bearing block is provided with a connecting plate, and the connecting plate is detachably connected with the winding drum through a bolt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122342032.8U CN215974720U (en) | 2021-09-27 | 2021-09-27 | Oil leakage prevention device of linear lifting mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122342032.8U CN215974720U (en) | 2021-09-27 | 2021-09-27 | Oil leakage prevention device of linear lifting mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215974720U true CN215974720U (en) | 2022-03-08 |
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ID=80510220
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122342032.8U Active CN215974720U (en) | 2021-09-27 | 2021-09-27 | Oil leakage prevention device of linear lifting mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215974720U (en) |
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2021
- 2021-09-27 CN CN202122342032.8U patent/CN215974720U/en active Active
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