CN211998551U - Slewing mechanism and lift platform - Google Patents
Slewing mechanism and lift platform Download PDFInfo
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- CN211998551U CN211998551U CN201922028231.4U CN201922028231U CN211998551U CN 211998551 U CN211998551 U CN 211998551U CN 201922028231 U CN201922028231 U CN 201922028231U CN 211998551 U CN211998551 U CN 211998551U
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- 230000007246 mechanism Effects 0.000 title claims abstract description 99
- 230000005540 biological transmission Effects 0.000 claims abstract description 38
- 230000009286 beneficial effect Effects 0.000 abstract description 3
- 229910000831 Steel Inorganic materials 0.000 description 7
- 230000003028 elevating effect Effects 0.000 description 7
- 239000010959 steel Substances 0.000 description 7
- 238000003466 welding Methods 0.000 description 6
- 230000009471 action Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 241000220317 Rosa Species 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 230000001174 ascending effect Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
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Abstract
The utility model relates to a large-scale work platform field particularly, relates to a slewing mechanism and lift platform. The rotating mechanism comprises a main frame base, a rotary fixing frame, a first driving device, a first transmission mechanism and a lifting mechanism; the lifting mechanism is arranged on the main frame base, and the rotary fixing frame, the first driving device and the first transmission mechanism are all arranged on the lifting mechanism and used for driving the rotary fixing frame, the first driving device and the first transmission mechanism to lift together; the first driving device is connected with the rotary fixing frame through a first transmission mechanism and used for driving the rotary fixing frame to rotate, and then the operation cantilever arranged on the rotary fixing frame is driven to rotate. The embodiment of the utility model provides a beneficial effect is: the rotating mechanism is lifted along with the lifting mechanism, so that the rotating mechanism does not need to rotate together with the central fixing frame when rotating, the torque when rotating is effectively reduced, and the safety is provided.
Description
Technical Field
The utility model relates to a large-scale work platform field particularly, relates to a slewing mechanism and lift platform.
Background
The existing lifting platform for the inner wall of the oil tank is fixed, namely the rotating mechanism is installed at the bottom of the whole lifting platform, when the cantilever is lifted, the rotating mechanism is not lifted, and when the rotating mechanism rotates, the rotating mechanism needs to rotate together with the central fixing frame, so that the cantilever is driven to rotate, the whole structure is large in torque when rotating, accidents such as overturning easily occur, and safety risks are greatly increased.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a slewing mechanism, it can follow elevating system and together go up and down for need not rotate together with central mount when rotating, and then the effectual moment of torsion when having reduced the rotation provides the security.
Another object of the utility model is to provide a lifting platform, it can be effectual the moment of torsion when having reduced the rotation, provides the security.
The embodiment of the utility model is realized like this:
a rotating mechanism comprises a main frame base, a rotary fixing frame, a first driving device, a first transmission mechanism and a lifting mechanism; the lifting mechanism is arranged on the main frame base, and the rotary fixing frame, the first driving device and the first transmission mechanism are all arranged on the lifting mechanism and are used for driving the rotary fixing frame, the first driving device and the first transmission mechanism to lift together; the first driving device is connected with the rotary fixing frame through the first transmission mechanism and is used for driving the rotary fixing frame to rotate so as to drive the cantilever arranged on the rotary fixing frame to rotate;
the rotary fixing frame is provided with a cantilever connecting device used for connecting the operation cantilever to the rotary fixing frame;
the cantilever connecting device comprises a first connecting base and a first connecting pin;
the first connecting base is provided with a first pin hole, the first connecting pin is arranged in the first pin hole, and the first connecting pin is used for connecting the operation cantilever with the first connecting base.
In the preferred embodiment of the present invention, the rotating fixing frame is provided with a pull rope connecting device for fixing one end of the pull rope on the rotating fixing frame to increase the stability of the cantilever.
In a preferred embodiment of the present invention, the pull rope connecting device includes a second connecting base and a second connecting pin, the second connecting base is provided with a second pin hole, and the second connecting pin is disposed in the second pin hole for connecting the pull rope with the second connecting base.
In a preferred embodiment of the present invention, the first transmission mechanism includes a driving gear and a driven gear, the first driving device is fixedly disposed on the lifting mechanism, and the driving gear and the driven gear are both rotatably disposed on the lifting mechanism;
the driving gear is connected with the first driving device, the driven gear is connected with the rotary fixing frame, and the driving gear is meshed with the driven gear.
In the preferred embodiment of the present invention, the rotating mechanism further comprises a lifting mechanism, the lifting mechanism is disposed on the main frame base, and is connected to the rotary fixing frame for driving the rotary fixing frame to lift.
In a preferred embodiment of the present invention, the lifting mechanism includes a lifting fixing frame, a fixed stressed frame, a second driving device and a second transmission mechanism;
the rotary fixing frame and the lifting fixing frame are sleeved on the fixed stress frame;
the rotary fixing frame, the first driving device and the first transmission mechanism are all arranged on the lifting fixing frame;
the second driving device is arranged on the main frame base, is connected with the lifting fixing frame through the second transmission mechanism and is used for driving the lifting fixing frame to ascend or descend along the fixed stress frame.
In a preferred embodiment of the present invention, the second transmission mechanism includes a first fixed pulley, a second fixed pulley and a lifting rope; the first fixed pulley is arranged on the main frame base, the second fixed pulley is arranged at the upper end of the fixed stress frame, one end of the lifting stay rope is connected with the second driving device, and the other end of the lifting stay rope is connected with the lifting fixed frame after bypassing the first fixed pulley and the second fixed pulley.
In the preferred embodiment of the present invention, the lifting fixing frame is provided with a guide wheel, and the guide wheel is abutted against the side wall of the fixed stressed frame.
A lifting platform comprising a rotation mechanism as claimed in any one of the preceding claims.
The embodiment of the utility model provides a beneficial effect is:
the rotating mechanism is lifted along with the lifting mechanism, so that the rotating mechanism does not need to rotate together with the central fixing frame when rotating, the torque when rotating is effectively reduced, and the safety is provided.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
Fig. 1 is a schematic structural view of a lifting platform according to an embodiment of the present invention;
FIG. 2 is an enlarged view of a portion of FIG. 1 at A;
FIG. 3 is an enlarged view of a portion of FIG. 1 at B;
FIG. 4 is an enlarged view of a portion of FIG. 1 at C;
fig. 5 is a schematic perspective view of a lifting platform according to an embodiment of the present invention;
fig. 6 is a partial enlarged view of fig. 5 at D.
In the figure:
1: a working boom; 2: a main frame base; 3: fixing a stress frame; 4: a drive motor; 5: a drive gear; 6: a driven gear; 7: rotating the fixed frame; 8: a guide plate; 9: a lifting fixing frame; 10: a guide wheel; 11: a lifting rope; 12: a winch; 13: a first connection base; 14: a first pin hole; 15: a second connection base; 16: a second pin hole; 17: a pull ring; 18: a steel wire rope; 19: and a second fixed pulley.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship which is usually placed when the product of the present invention is used, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to must have a specific position, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.
Furthermore, the terms "horizontal", "vertical", "overhang" and the like do not imply that the components are required to be absolutely horizontal or overhang, but may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.
In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Some embodiments of the present invention will be described in detail below with reference to fig. 1 to 6. The embodiments described below and the features of the embodiments can be combined with each other without conflict.
A rotating mechanism comprises a main frame base 2, a rotary fixing frame 7, a first driving device, a first transmission mechanism and a lifting mechanism; the lifting mechanism is arranged on the main frame base 2, and the rotary fixing frame 7, the first driving device and the first transmission mechanism are all arranged on the lifting mechanism and are used for driving the rotary fixing frame 7, the first driving device and the first transmission mechanism to lift together; the first driving device is connected with the rotary fixing frame 7 through a first transmission mechanism and is used for driving the rotary fixing frame 7 to rotate, and then the operation cantilever 1 arranged on the rotary fixing frame 7 is driven to rotate.
In this embodiment, elevating system sets up on body frame base 2, rotatory mount 7, first drive arrangement and first drive mechanism all set up on elevating system, when elevating system drove operation cantilever 1 to go up and down, can drive rotatory mount 7, first drive arrangement and first drive arrangement go up and down together, and then realize rotating at any time, and need not rotate the lift platform when the operation personnel is rotating the lift platform, rotate from top to bottom repeatedly on the lift platform, the operation flow is simplified, the operating efficiency is improved.
Specifically, in the preferred embodiment of the present invention, the rotating frame 7 is provided with a cantilever connecting device for connecting the working cantilever 1 to the rotating frame 7.
The operation cantilever 1 is connected and arranged on the rotary fixing frame 7 through the cantilever connecting device, and then when the rotary fixing frame 7 is lifted according to the lifting mechanism, the operation cantilever 1 can be driven to lift together.
More specifically, in the preferred embodiment of the present invention, the cantilever connection device includes a first connection base 13 and a first connection pin; the first connecting base 13 is provided with a first pin hole 14, and a first connecting pin is disposed in the first pin hole 14 and is used for connecting the working boom 1 and the first connecting base 13.
The first connecting base 13 is of a U-shaped structure, the opening direction of the first connecting base is the direction far away from the rotary fixing frame 7, a first pin hole 14 penetrating through the whole first connecting base 13 is formed in the side wall of the first connecting base, a connecting hole is formed in the end portion of the operation cantilever 1, after the broken arm of the operation cantilever 1 is inserted into the U-shaped groove of the first connecting base 13, a first connecting pin penetrates through the first pin hole 14 and the connecting hole, and the operation cantilever 1 and the first connecting base 13 are connected together.
In this embodiment, the first connecting base 13 is fixedly connected to the rotary fixing frame 7, specifically, the fixed connection is by welding.
It should be noted that, in the present embodiment, the fixed connection manner between the first connection base 13 and the rotary fixing frame 7 may be welding, but it is not limited to welding, and it may also be other fixed connection manners, such as riveting, bolt fixing, etc., that is, as long as the first connection base 13 can be fixedly disposed on the rotary fixing frame 7.
It should be noted that, in the present embodiment, the boom connecting device is a structure connected by a pin, that is, the working boom 1 is connected to the rotary fixing frame 7 by a pin, but the present invention is not limited to the pin connection, and other connecting methods, such as hinging, riveting, bolting, etc., may also be used, as long as the working boom 1 can be connected and disposed on the rotary fixing frame 7.
For guaranteeing the connection stability of operation cantilever 1 the utility model discloses in the embodiment of the preferred, be provided with stay cord connecting device on the rotatory mount 7 for fix the one end of stay cord on rotatory mount 7, increase the stability of operation cantilever 1.
Specifically, in the present embodiment, the pulling rope is a wire pulling rope 18.
One end of the steel wire pull rope 18 is connected with one end, far away from the rotary fixing frame 7, of the operation cantilever 1, and the other end of the steel wire pull rope is connected with the rotary fixing frame 7 through the pull rope connecting device, so that the rotary fixing frame 7, the operation cantilever 1 and the steel wire pull rope 18 jointly form a triangular structure, and the stability of the operation cantilever 1 is guaranteed.
Specifically, in the preferred embodiment of the present invention, the pulling rope connecting device includes a second connecting base 15 and a second connecting pin, the second connecting base 15 is provided with a second pin hole 16, and the second connecting pin is disposed in the second pin hole 16 for connecting the pulling rope and the second connecting base 15.
That is, the second connecting means and the first connecting means are similar in structure.
More specifically, a U-shaped groove is also formed in the second connection base 15, a pull ring 17 is arranged at one end of the steel wire rope 18, and after the pull ring 17 is inserted into the U-shaped groove, the second connection pin penetrates through the second pin hole 16 and the pull ring 17, so that the steel wire rope 18 and the second connection base 15 are fixedly connected.
More specifically, in the present embodiment, the second pin holes 16 are at least two pairs, that is, at least two wire ropes 18 are connected to the second connection base 15, and the other ends of the two wire ropes 18 are connected to the end portion and the middle portion of the working boom 1, respectively, so as to increase the stability of the working boom 1.
In this embodiment, the second connecting base 15 is fixedly disposed on the rotary fixing frame 7 by welding.
It should be noted that the fixed connection manner of the second connection base 15 and the rotary fixing frame 7 may be welding, but it is not limited to welding, and it may also be other fixed connection manners, such as riveting, bolting, etc., as long as it can achieve the purpose of fixedly arranging the second connection base 15 on the rotary fixing frame 7.
It should also be noted that, in the present embodiment, the wire rope 18 is connected to the rotary fixing frame 7 through the second connecting device, and it may also be connected to the rotary fixing frame 7 through other manners, such as through binding, etc., that is, as long as the wire rope 18 can be fixedly disposed on the rotary fixing frame 7.
In another embodiment of the present invention, the first transmission mechanism includes a driving gear 5 and a driven gear 6, the first driving device is fixedly disposed on the lifting mechanism, and both the driving gear 5 and the driven gear 6 are rotatably disposed on the lifting mechanism; the driving gear 5 is connected with a first driving device, the driven gear 6 is connected with a rotary fixing frame 7, and the driving gear 5 is meshed with the driven gear 6.
In this embodiment, first drive arrangement is driving motor 4, drives drive gear 5 through driving motor 4 and rotates, and drive gear 5 meshes with driven gear 6, and then drives driven gear 6 and rotate, and driven gear 6 rotates and sets up on elevating system, and with rotatory mount 7 fixed connection, and then when driven gear 6 rotated on elevating system, can drive rotatory mount 7 and rotate on elevating system, finally realizes driving operation cantilever 1 and rotates.
It should be noted that, in the present embodiment, the first transmission mechanism is a gear transmission, but it is not limited to the gear transmission, and it may also be other transmission manners, such as a chain transmission, a belt transmission, etc., that is, it only needs to transmit the rotation of the motor to the rotation fixing frame 7, so that the rotation fixing frame 7 can rotate on the lifting mechanism.
In the preferred embodiment of the present invention, the lifting mechanism comprises a lifting fixing frame 9, a fixed stressed frame 3, a second driving device and a second transmission mechanism; the rotary fixed frame 7 and the lifting fixed frame 9 are sleeved on the fixed stress frame 3; the rotary fixing frame 7, the first driving device and the first transmission mechanism are all arranged on the lifting fixing frame 9; the second driving device is arranged on the main frame base 2 and is connected with the lifting fixing frame 9 through a second transmission mechanism for driving the lifting fixing frame 9 to ascend or descend along the fixed stress frame 3.
In this embodiment, the fixed stress frame 3 is a lifting rail of a lifting mechanism, the lifting fixing frame 9 is lifted along the sidewall of the fixed stress frame 3, and the height of the fixed stress frame 3 is the highest lifting height of the lifting fixing frame 9.
The lifting fixing frame 9 is slidably sleeved on the fixed stress frame 3, the lower end of the fixed stress frame 3 is fixedly arranged on the main frame base 2, the second driving device is fixedly arranged on the main frame base 2 and is connected with the lifting fixing frame 9 through the second transmission mechanism, and the lifting fixing frame 9 is driven to ascend or descend along the fixed stress frame 3.
Specifically, in the preferred embodiment of the present invention, the second transmission mechanism includes a first fixed pulley, a second fixed pulley 19 and a lifting rope 11; the first fixed pulley is arranged on the main frame base 2, the second fixed pulley 19 is arranged at the upper end of the fixed stress frame 3, one end of the lifting stay cord 11 is connected with the second driving device, and the other end of the lifting stay cord is connected with the lifting fixed frame 9 after passing around the first fixed pulley and the second fixed pulley 19.
More specifically, the second driving device is a winch 12, the winch 12 is connected with one end of the lifting stay cord 11, the lifting stay cord 11 can be rolled up or released, the other end of the lifting stay cord 11 is connected with the lifting fixing frame 9 after bypassing the first fixed pulley arranged on the main frame base 2 and the second fixed pulley 19 arranged at the upper end of the fixed stress frame 3, and the lifting fixing frame 9 can be driven to lift on the fixed stress frame 3 through rolling up and releasing.
The first fixed pulley can be arranged on the main frame base 2 or at the lower end of the fixed stress frame 3, and has the main function of guiding the lifting pull rope 11 into the fixed stress frame 3, so that the lifting pull rope 11 cannot generate friction with the fixed stress frame 3 in the process of being rolled up and released, and the service lives of the lifting pull rope 11 and the fixed stress frame 3 are prolonged.
The second fixed pulley 19 is arranged at the top end of the fixed stress frame 3, the lifting stay rope 11 upwards rounds the second fixed pulley 19, then downwards extends and is fixedly connected with the lifting fixed frame 9, and when the winch 12 winds up the lifting stay rope 11, the lifting stay rope can upwards pull up the lifting fixed frame 9 to realize the lifting of the cantilever; when the hoist 12 releases the lifting rope 11, the lifting fixing frame 9 will start to fall due to the action of gravity, and then slide downwards on the fixed stress frame 3, so as to realize the descending of the cantilever.
For making lift mount 9 more stable when going up and down on fixed atress frame 3 the utility model discloses in the embodiment of preferred, set up a plurality of leading wheels 10 on lift mount 9, every leading wheel 10 all offsets with the lateral wall of fixed atress frame 3.
The guide wheel 10 can roll on the side wall of the fixed stress frame 3, so that the lifting fixing frame 9 and the fixed stress frame 3 are in direct contact only through the guide wheel 10, friction cannot be generated, abrasion of the fixed stress frame 3 and the lifting fixing frame 9 can be reduced, the service lives of the fixed stress frame 3 and the lifting fixing frame 9 are prolonged, resistance of the lifting fixing frame 9 during lifting can be reduced, and energy consumption of the winch 12 is reduced.
Specifically, in this embodiment, the guide wheels 10 are set to be at least four, and at least one guide wheel 10 is disposed on each side wall of the fixed stress frame 3, so that the direct contact between the lifting fixing frame 9 and the fixed stress frame 3 can be avoided, and the friction between the lifting fixing frame 9 and the fixed stress frame 3 is reduced.
A lifting platform comprises any one of the rotating mechanisms.
Specifically, the utility model discloses an among the lift platform, drive gear 5 and driven gear 6 meshing, under driving motor 4 drives, drive gear 5 rotates and drives driven gear 6 and rotate, thereby drive gear has realized the rotation of upper portion gear in the rotation of lift mount 9 upper ends, and the lower part is fixed.
The whole rotating mechanism comprises a rotary fixing frame 7, a steel wire pull rope 18, a driven gear 6, a driving gear 5 and a driving motor 4. The center of the rotary fixing frame 7 penetrates through the bottom of the fixed stress frame 3 to be fixedly connected with the driven gear 6 through a bolt, and the lower part of the driven gear 6 is rotatably connected with the upper end of the lifting fixing frame 9.
The utility model discloses a theory of operation: under the action of the winch 12, the guide wheel 10 on the lifting mechanism moves up and down along the guide plate 8 on the fixed stress frame 3. Because the telescopic operation cantilever 1 and the rotating mechanism are both arranged on the lifting mechanism through the driven gear 6, when the telescopic operation cantilever 1 and the rotating mechanism ascend or descend, the telescopic operation cantilever 1 and the rotating mechanism also ascend and descend along with the lifting mechanism, and therefore the ascending and descending of the lifting platform are realized.
The driving gear 5 drives the driven gear 6 to rotate along with the operation of the driving motor 4, the rotary fixing frame 7 on the driven gear 6 and the operation cantilever 1 arranged on the rotary fixing frame 7 rotate, and therefore the rotation of the operation cantilever 1 is achieved. The operation cantilever 1 moves along the guide rail slider under the drive of motor, can realize the flexible of operation cantilever 1, and people's frame realizes the flexible operation that has the distance under the effect of telescopic operation cantilever 1.
The embodiment of the utility model provides a beneficial effect is:
the rotating mechanism is lifted along with the lifting mechanism, so that the rotating mechanism does not need to rotate together with the central fixing frame when rotating, the torque when rotating is effectively reduced, and the safety is provided.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. A rotating mechanism is characterized by comprising a main frame base, a rotary fixing frame, a first driving device, a first transmission mechanism and a lifting mechanism; the lifting mechanism is arranged on the main frame base, and the rotary fixing frame, the first driving device and the first transmission mechanism are all arranged on the lifting mechanism and are used for driving the rotary fixing frame, the first driving device and the first transmission mechanism to lift together; the first driving device is connected with the rotary fixing frame through the first transmission mechanism and is used for driving the rotary fixing frame to rotate so as to drive the operation cantilever arranged on the rotary fixing frame to rotate;
the rotary fixing frame is provided with a cantilever connecting device used for connecting the operation cantilever to the rotary fixing frame;
the cantilever connecting device comprises a first connecting base and a first connecting pin;
the first connecting base is provided with a first pin hole, the first connecting pin is arranged in the first pin hole, and the first connecting pin is used for connecting the operation cantilever with the first connecting base.
2. The rotating mechanism according to claim 1, wherein the rotating frame is provided with a pull rope connecting device for fixing one end of a pull rope on the rotating frame to increase the stability of the working cantilever.
3. The rotating mechanism according to claim 2, wherein the pull rope connecting device comprises a second connecting base and a second connecting pin, a second pin hole is formed in the second connecting base, and the second connecting pin is arranged in the second pin hole and is used for connecting the pull rope and the second connecting base.
4. The rotating mechanism according to claim 1, wherein the first transmission mechanism comprises a driving gear and a driven gear, the first driving device is fixedly arranged on the lifting mechanism, and the driving gear and the driven gear are both rotatably arranged on the lifting mechanism;
the driving gear is connected with the first driving device, the driven gear is connected with the rotary fixing frame, and the driving gear is meshed with the driven gear.
5. The rotating mechanism according to claim 1, wherein the lifting mechanism comprises a lifting fixed frame, a fixed stressed frame, a second driving device and a second transmission mechanism;
the rotary fixing frame and the lifting fixing frame are sleeved on the fixed stress frame;
the rotary fixing frame, the first driving device and the first transmission mechanism are all arranged on the lifting fixing frame;
the second driving device is arranged on the main frame base, is connected with the lifting fixing frame through the second transmission mechanism and is used for driving the lifting fixing frame to ascend or descend along the fixed stress frame.
6. The rotating mechanism according to claim 5, wherein the second transmission mechanism comprises a first fixed pulley, a second fixed pulley and a lifting rope; the first fixed pulley is arranged on the main frame base, the second fixed pulley is arranged at the upper end of the fixed stress frame, one end of the lifting stay rope is connected with the second driving device, and the other end of the lifting stay rope is connected with the lifting fixed frame after bypassing the first fixed pulley and the second fixed pulley.
7. The rotating mechanism according to claim 5, wherein a guide wheel is arranged on the lifting fixing frame, and the guide wheel abuts against the side wall of the fixed stressed frame.
8. A lifting platform comprising a rotation mechanism as claimed in any one of claims 1 to 7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922028231.4U CN211998551U (en) | 2019-11-21 | 2019-11-21 | Slewing mechanism and lift platform |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922028231.4U CN211998551U (en) | 2019-11-21 | 2019-11-21 | Slewing mechanism and lift platform |
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| Publication Number | Publication Date |
|---|---|
| CN211998551U true CN211998551U (en) | 2020-11-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922028231.4U Active CN211998551U (en) | 2019-11-21 | 2019-11-21 | Slewing mechanism and lift platform |
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| Country | Link |
|---|---|
| CN (1) | CN211998551U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112837547A (en) * | 2021-02-22 | 2021-05-25 | 深圳市安普信达软件技术服务有限公司 | Intelligent urban road passing indication system |
-
2019
- 2019-11-21 CN CN201922028231.4U patent/CN211998551U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112837547A (en) * | 2021-02-22 | 2021-05-25 | 深圳市安普信达软件技术服务有限公司 | Intelligent urban road passing indication system |
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Effective date of registration: 20210819 Address after: 528200 No. 1, Xianan Road, Guicheng Street, Nanhai District, Foshan City, Guangdong Province Patentee after: Guangdong Shihua Equipment Technology Co.,Ltd. Address before: 12 / F, Alice centre, 122 Austin Road, Tsim Sha Tsui, Kowloon, China Patentee before: Hong Kong hengzhan International Co.,Ltd. |