CN112850580A - Elevator machine - Google Patents
Elevator machine Download PDFInfo
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- CN112850580A CN112850580A CN201911176955.1A CN201911176955A CN112850580A CN 112850580 A CN112850580 A CN 112850580A CN 201911176955 A CN201911176955 A CN 201911176955A CN 112850580 A CN112850580 A CN 112850580A
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- Prior art keywords
- lifting frame
- primary
- frame
- stage
- output
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F11/00—Lifting devices specially adapted for particular uses not otherwise provided for
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F7/00—Lifting frames, e.g. for lifting vehicles; Platform lifts
- B66F7/10—Lifting frames, e.g. for lifting vehicles; Platform lifts with platforms supported directly by jacks
- B66F7/12—Lifting frames, e.g. for lifting vehicles; Platform lifts with platforms supported directly by jacks by mechanical jacks
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F7/00—Lifting frames, e.g. for lifting vehicles; Platform lifts
- B66F7/28—Constructional details, e.g. end stops, pivoting supporting members, sliding runners adjustable to load dimensions
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- Engineering & Computer Science (AREA)
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- Mechanical Engineering (AREA)
- Structural Engineering (AREA)
- Types And Forms Of Lifts (AREA)
Abstract
The application relates to a lifter, and belongs to the technical field of construction machinery. The elevator comprises a driving module, a fixed frame, a primary lifting frame and a secondary lifting frame; the fixed frame is in sliding fit with the first-stage lifting frame, the second-stage lifting frame is in sliding fit with the first-stage lifting frame, the driving module is installed on the first-stage lifting frame and comprises a driving device and a transmission mechanism, the transmission mechanism comprises an input end, a first output end and a second output end, the input end is connected with the driving device, and power of the driving device is synchronously output by the first output end and the second output end; the first output end is connected with the fixed frame to drive the first-stage lifting frame to move relative to the fixed frame, and the second output end is connected with the second-stage lifting frame to drive the second-stage lifting frame to move relative to the first-stage lifting frame. The elevator can realize synchronous movement of two-stage lifting frames, improves the lifting speed and improves the working efficiency.
Description
Technical Field
The application relates to the technical field of construction machinery, in particular to a lifter.
Background
The existing elevator is driven by a lead screw in a driving mode, is slow in lifting speed, and particularly can greatly influence the working efficiency on occasions needing frequent lifting.
Disclosure of Invention
An object of this application is to above-mentioned problem, provides a lift, can realize the simultaneous movement of two-stage lift frame, has improved lifting speed, has improved work efficiency.
According to one aspect of the application, the elevator comprises a driving module, a fixed frame, a primary lifting frame and a secondary lifting frame;
the fixed frame is in sliding fit with the first-stage lifting frame, the second-stage lifting frame is in sliding fit with the first-stage lifting frame, the driving module is installed on the first-stage lifting frame and comprises a driving device and a transmission mechanism, the transmission mechanism comprises an input end, a first output end and a second output end, the input end is connected with the driving device, and power of the driving device is synchronously output by the first output end and the second output end;
the first output end is connected with the fixed frame to drive the first-stage lifting frame to move relative to the fixed frame, and the second output end is connected with the second-stage lifting frame to drive the second-stage lifting frame to move relative to the first-stage lifting frame.
According to the lift of this application embodiment, the power that provides drive arrangement through drive mechanism exports via first output and second output in step to power output drive one-level lifting frame through first output removes for fixed frame, power output drive second grade lifting frame through the second output removes for one-level lifting frame, realize that second grade lifting frame removes with twice speed for fixed frame, the lifting speed that has improved second grade lifting frame changes mutually, thereby work efficiency has been improved, satisfy the work demand. In addition, because the driving module is installed on the first-level lifting frame, the driving device provides power driving, and meanwhile, the lifting stability of the second-level lifting frame and the first-level lifting frame is guaranteed.
In addition, the elevator according to the embodiment of the application has the following additional technical characteristics:
according to some embodiments of the application, be fixed with the one-level rack on the fixed frame, be fixed with the second grade rack on the second grade lift frame, first output is connected with the one-level gear, and the one-level gear meshes with the one-level rack, and the second output is connected with the second gear, and the second gear meshes with the second grade rack.
In the above embodiment, the primary gear is engaged with the primary rack, and the secondary gear is engaged with the secondary rack, so that the stable movement of the primary lifting frame relative to the fixed frame and the stable movement of the secondary lifting frame relative to the primary lifting frame are realized.
In some embodiments of the present application, the primary rack is disposed parallel to the secondary rack.
In the above embodiment, the one-level rack is parallel to the two-level rack, and the two-level lifting frame and the one-level lifting frame move in the same direction, so that the two-level lifting frame is longer than the fixed frame in lifting length, and the requirement of lifting height is met.
In some embodiments of the present application, the transmission mechanism includes a first dual-output-shaft reducer, an input shaft of the first dual-output-shaft reducer is connected to the driving device, and two output shafts of the first dual-output-shaft reducer are respectively used for driving the primary gear and the secondary gear.
In the above embodiment, the first dual-output shaft speed reducer realizes single-drive input and two-output power output, so as to drive the primary gear and the secondary gear to synchronously rotate, thereby realizing synchronous movement of the primary frame and the secondary frame.
In some optional embodiments of the present application, the transmission mechanism further includes a second dual output shaft speed reducer and a third dual output shaft speed reducer, one output shaft of the first dual output shaft speed reducer is connected to an input shaft of the second dual output shaft speed reducer, another output shaft of the first dual output shaft speed reducer is connected to an input shaft of the third dual output shaft speed reducer, two output shafts of the second dual output shaft speed reducer are respectively provided with a primary gear, two output shafts of the third dual output shaft speed reducer are respectively provided with a secondary gear, the fixed frame is provided with two primary racks, and the secondary lifting frame is provided with two secondary racks.
In the above embodiment, the power is transmitted to the two primary gears through the second dual output shaft speed reducer, and the two primary gears are respectively matched with the two primary racks, so that the primary lifting frame is ensured to move stably relative to the fixed frame; and power is transmitted to the two secondary gears through the third double-output-shaft speed reducer, and the two secondary gears are respectively matched with the two secondary racks, so that the secondary lifting frame is ensured to stably move relative to the primary frame.
In some optional embodiments of the present application, the transmission mechanism further includes two first transmission shafts and two second transmission shafts, the two first transmission shafts correspond to two output shafts of the second dual-output shaft reducer one to one, and the two second transmission shafts correspond to two output shafts of the third dual-output shaft reducer one to one;
one end of each first transmission shaft is connected with an output shaft of the second double-output-shaft speed reducer through a first coupler, the other end of each first transmission shaft is provided with a primary gear, one end of each second transmission shaft is connected with an output shaft of the third double-output-shaft speed reducer through a second coupler, and the other end of each second transmission shaft is provided with a secondary gear.
In the above embodiment, the power is transmitted to the primary gear through the first coupling and the first transmission shaft, so that the power transmission is ensured to be stable; and the power is transmitted to the secondary gear through the second coupler and the second transmission shaft, so that the power transmission is stable.
In some alternative embodiments of the present application, each first transmission shaft is rotatably connected to the primary lifting frame by a first bearing block, and each second transmission shaft is rotatably connected to the primary lifting frame by a second bearing block.
In the above embodiment, the first transmission shaft is fixed to the first-stage lifting frame through the first bearing seat, and the second transmission shaft is fixed to the first-stage lifting frame through the second bearing seat, so that the driving module is positioned, and the driving module is stably connected with the first-stage lifting frame.
In some embodiments of the present application, the fixed frame and the primary lifting frame are slidably engaged with each other through a primary guide rail and a primary slider, one of the primary guide rail and the primary slider is mounted on the fixed frame, and the other is mounted on the primary lifting frame;
the second-stage lifting frame and the first-stage lifting frame are in sliding fit through a second-stage guide rail and a second-stage sliding block, one of the second-stage guide rail and the second-stage sliding block is installed on the second-stage lifting frame, and the other one of the second-stage guide rail and the second-stage sliding block is installed on the first-stage lifting frame.
In the above embodiment, the fixed frame is in sliding fit with the primary lifting frame through the guide rail sliding block, so that the primary lifting frame is ensured to move stably relative to the fixed frame; the second-stage lifting frame is in sliding fit with the first-stage lifting frame through the guide rail sliding block, and the second-stage lifting frame is guaranteed to move stably relative to the first-stage lifting frame.
According to some embodiments of the present application, the fixed frame is sleeved outside the primary lifting frame, and the primary lifting frame is sleeved outside the secondary lifting frame.
In the above embodiment, the fixed frame is arranged at the periphery, and both the secondary lifting frame and the primary lifting frame can be accommodated in the fixed frame when descending, so that the occupied space is saved.
According to some embodiments of the present application, a platform is disposed on top of the secondary lifting frame.
In the above embodiment, the platform is arranged so that the second-level lifting frame can lift people or objects conveniently.
Additional aspects and advantages of the present application will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the present application.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present application, 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 application and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained from the drawings without inventive effort.
Fig. 1 is a schematic view of an unfolded state of an elevator according to an embodiment of the present disclosure;
fig. 2 is a schematic view illustrating a storage state of the elevator according to an embodiment of the present disclosure;
fig. 3 is a schematic structural diagram illustrating a storage state of a driving module of an elevator according to an embodiment of the present disclosure;
FIG. 4 is a left side view of FIG. 3;
fig. 5 is a schematic view illustrating a deployed state of a primary rack and a secondary rack of an elevator according to an embodiment of the present disclosure;
fig. 6 is a right side view of fig. 5.
Icon: 100-a lift; 1-a driving module; 11-a drive device; 12-a transmission mechanism; 121-input terminal; 122 — first output; 123-a second output; 131-a first dual output shaft reducer; 132-upper drive shaft; 133-lower drive shaft; 134-a second dual output shaft reducer; 135-a third dual output shaft reducer; 136-a first drive shaft; 137-a second drive shaft; 138-a first bearing seat; 139-a second bearing housing; 14-a primary gear; 15-a secondary gear; 2-a fixed frame; 21-a support seat; 22-a first mounting post; 23-primary rack; 24-a primary slide; 25-climbing a ladder; 3-a first-level lifting frame; 31-a lower cross beam; 32-upper beam; 33-primary guide rail; 34-a secondary slide block; 4-a secondary lifting frame; 41-a second mounting post; 42-a secondary rack; 43-a secondary guide rail; 44-platform.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. The components of the embodiments of the present application, generally described and illustrated in the figures herein, can be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present application, presented in the accompanying drawings, is not intended to limit the scope of the claimed application, but is merely representative of selected embodiments of the application. 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 application.
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 application, it should be noted that the terms "inside", "outside", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings or orientations or positional relationships that the products of the application usually place when using, and are only used for convenience in describing the present application and simplifying the description, but do not indicate or imply that the devices or elements that are referred to must have a specific orientation, be constructed in a specific orientation, and operate, and thus, should not be construed as limiting the present application. Furthermore, the terms "first," "second," and the like are used merely to distinguish one description from another, and are not to be construed as indicating or implying relative importance.
In the description of the present application, it is also to be noted that, unless otherwise explicitly specified or limited, the terms "disposed" and "connected" are to be interpreted broadly, e.g., as being either fixedly connected, detachably connected, or integrally 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 application can be understood in a specific case by those of ordinary skill in the art.
An elevator 100 according to an embodiment of an aspect of the present application is described below with reference to the drawings.
As shown in fig. 1 and 2, an elevator 100 according to an embodiment of the present application includes: the device comprises a driving module 1, a fixed frame 2, a first-stage lifting frame 3 and a second-stage lifting frame 4.
Specifically, the fixed frame 2, the first-level lifting frame 3 and the second-level lifting frame 4 are all cubic frames, and have strong stability. The fixed frame 2 is a fixed support, similar to a base; the fixed frame 2 is in sliding fit with the first-stage lifting frame 3, and the first-stage lifting frame 3 can move relative to the fixed frame 2 so as to lift the first-stage lifting frame 3; second grade lifting frame 4 and one-level lifting frame 3 sliding fit, second grade lifting frame 4 can remove for one-level lifting frame 3 to realize the lift of second grade lifting frame 4. As shown in fig. 3, the driving module 1 is installed on the first-stage lifting frame 3, the driving module 1 includes a driving device 11 and a transmission mechanism 12, the transmission mechanism 12 includes an input end 121, a first output end 122 and a second output end 123, the input end 121 is connected to the driving device 11, and the power of the driving device 11 is synchronously output from the first output end 122 and the second output end 123. First output 122 links to each other with fixed frame 2, and second output 123 links to each other with second grade lifting frame 4, and after drive arrangement 11 transmitted power to first output 122 and second output 123, one-level lifting frame 3 and second grade lifting frame 4 can realize synchronous lift.
According to the elevator 100 of the embodiment of the application, the power provided by the driving device 11 is synchronously output through the first output end 122 and the second output end 123 through the transmission mechanism 12, the primary lifting frame 3 is driven to move relative to the fixed frame 2 through the power output of the first output end 122, the secondary lifting frame 4 is driven to move relative to the primary lifting frame 3 through the power output of the second output end 123, the secondary lifting frame 4 moves at twice speed relative to the fixed frame 2, the lifting speed of the secondary lifting frame 4 is improved in a phase change manner, the working efficiency is improved, and the working requirement is met. In addition, because the driving module 1 is installed on the first-level lifting frame 3, the driving device 11 provides power for driving, and simultaneously, the lifting stability of the second-level lifting frame 4 and the first-level lifting frame 3 is ensured.
Structural features and connection of the components of the elevator 100 according to an embodiment of the present application will be described with reference to the accompanying drawings.
As shown in fig. 1, the fixed frame 2 is a cubic frame, a first cavity with an opening at the upper part is arranged inside the fixed frame 2, and a support seat 21 is arranged at the bottom of the fixed frame 2, so that positioning and supporting are facilitated; two first mounting columns 22 are arranged on one side face of the fixed frame 2 at intervals, and a primary rack 23 extending in the up-down direction is arranged on the inner surface (the face facing the first cavity) of each first mounting column 22.
One-level lifting frame 3 is the cube frame, and one-level lifting frame 3's inside is equipped with top open-ended second cavity, installs drive module 1 on one side of one-level lifting frame 3.
The secondary lifting frame 4 is a cubic frame, as shown in fig. 2, two second mounting columns 41 are arranged on one side surface of the secondary lifting frame 4 at intervals, two secondary racks 42 extending in the up-down direction are arranged on each second mounting column 41, and the secondary racks 42 are arranged in parallel with the primary racks 23. The side surface of the fixed frame 2 for installing the first-stage rack 23, the side surface of the first-stage lifting frame 3 for installing the driving module 1 and the side surface of the second-stage lifting frame 4 for installing the second-stage rack 42 are correspondingly arranged.
As shown in fig. 3, the driving module 1 includes a driving device 11 and a transmission mechanism 12, and the driving device 11 employs a servo motor, so as to facilitate accurate output of power; the transmission mechanism 12 includes a first dual output shaft reducer 131, an upper transmission shaft 132, a lower transmission shaft 133, a second dual output shaft reducer 134, a third dual output shaft reducer 135, a first transmission shaft 136, and a second transmission shaft 137.
The first dual output shaft reducer 131 is disposed in the vertical direction, the input shaft of the first dual output shaft reducer 131 is connected to the driving device 11, two output shafts of the first dual output shaft reducer 131 are disposed coaxially, one of the two output shafts is located above, and the other is located below. It should be noted that the servo motor and the input shaft of the first dual output shaft reducer 131, and the output shaft of the first dual output shaft reducer 131 and the upper transmission shaft 132 and the lower transmission shaft 133 are all connected by a coupling, so as to realize stable transmission of power.
The upper end of the lower transmission shaft 133 is connected to an output shaft below the first dual output shaft reducer 131, and the lower end of the lower transmission shaft 133 is connected to an input shaft of the second dual output shaft reducer 134. The number of the first transmission shafts 136 is two, the two output shafts of the second dual-output shaft reducer 134 are coaxially arranged, each output shaft of the two output shafts is connected with one first transmission shaft 136 through a first coupler, one end, far away from the second dual-output shaft reducer 134, of each first transmission shaft 136 is provided with one-level gears 14 (shown in fig. 4), and the two one-level gears 14 are respectively meshed with the two one-level racks 23.
The lower end of the upper transmission shaft 132 is connected to the output shaft above the first dual output shaft reducer 131, and the upper end of the upper transmission shaft 132 is connected to the input shaft of the third dual output shaft reducer 135. The number of the second transmission shafts 137 is two, two output shafts of the third dual-output shaft speed reducer 135 are coaxially arranged, each output shaft of the two output shafts is connected with one second transmission shaft 137 through a second coupler, one end, far away from the third dual-output shaft speed reducer 135, of each second transmission shaft 137 is provided with a secondary gear 15 (shown in fig. 4), and the two secondary gears 15 are respectively meshed with the two secondary racks 42.
As can be seen from the above, the input end 121 of the transmission mechanism 12 is an input shaft of the first dual output shaft reducer 131, the first output end 122 of the transmission mechanism 12 is the primary gear 14, the second output end 123 is the secondary gear 15, and the power input by the servo motor is output through the primary gear 14 and the secondary gear 15, so as to realize the movement of the primary lifting frame 3 relative to the fixed frame 2 and the movement of the secondary lifting frame 4 relative to the primary lifting frame 3.
On one side surface of the first-stage lifting frame 3, the second dual-output shaft speed reducer 134 is mounted on the lower cross beam 31 (shown in fig. 1), and two first bearing seats 138 are mounted on the lower cross beam 31, and two first transmission shafts 136 correspond to the two first bearing seats 138 one by one. Each first transmission shaft 136 is rotatably fitted to a first bearing housing 138, and the first transmission shaft 136 is connected to the primary lifting frame 3 through the first bearing housing 138. Meanwhile, the third dual-output shaft reducer 135 is mounted on the upper beam 32 (as shown in fig. 1), and two second bearing seats 139 are mounted on the upper beam 32, and the two second bearing seats 139 correspond to the two second transmission shafts 137 one to one. Each second transmission shaft 137 is rotatably fitted to a second bearing housing 139, and the second transmission shaft 137 is connected to the primary lifting frame 3 through the second bearing housing 139.
In order to ensure the stable transmission of the transmission mechanism 12, the first dual-output shaft reducer 131 is positioned in the middle of the side surface of the first-stage lifting frame 3, and the servo motor is installed on one upright post of the first-stage lifting frame 3; the two first transmission shafts 136 are symmetrically distributed with respect to the second dual output shaft speed reducer 134, and the two second transmission shafts 137 are symmetrically distributed with respect to the third dual output shaft speed reducer 135. It should be pointed out that servo motor adopts self-locking motor, and when one-level lifting frame 3 and second grade lifting frame 4 rose or descend to appointed position, servo motor can the auto-lock, guarantees that one-level lifting frame 3 and second grade lifting frame 4 can keep the position motionless.
In some optional embodiments of the present application, as shown in fig. 1, on a side of the fixed frame 2 opposite to the side on which the primary rack 23 is installed, the fixed frame 2 is provided with the primary slider 24, the primary lifting frame 3 is provided with the primary guide rail 33 corresponding to the primary slider 24, the primary guide rail 33 is arranged in parallel with the primary rack 23, and the primary lifting frame 3 and the fixed frame 2 are in sliding fit through the primary guide rail 33 and the primary slider 24, so as to ensure that the primary lifting frame 3 moves stably relative to the fixed frame 2. In other embodiments of the present application, the positions of the primary guide rail 33 and the primary slider 24 may be interchanged, that is, the primary guide rail 33 may be further disposed on the fixed frame 2, and the primary slider 24 may be further disposed on the primary lifting frame 3.
Further, as shown in fig. 1, a secondary slide block 34 is further provided on the side surface of the primary lifting frame 3 on which the primary guide rail 33 is provided; be provided with the second grade guide rail 43 that corresponds with second grade slider 34 on the second grade lifting frame 4, second grade guide rail 43 and second grade rack 42 parallel arrangement, second grade lifting frame 4 passes through second grade guide rail 43 and second grade slider 34 sliding fit with one-level lifting frame 3 to guarantee that second grade lifting frame 4 moves steadily for one-level lifting frame 3. In other embodiments of the present application, the positions of the secondary guide rail 43 and the secondary slide block 34 may be interchanged, that is, the secondary guide rail 43 may be further disposed on the primary lifting frame 3, and the secondary slide block 34 may be further disposed on the secondary lifting frame 4.
In order to accommodate the elevator 100, as shown in fig. 2, the fixing frame 2 is sleeved outside the first-stage lifting frame 3, and the first-stage lifting frame 3 is sleeved outside the second-stage lifting frame 4. With fixed frame 2 setting in the periphery, when second grade lifting frame 4 and one-level lifting frame 3 descend, both homoenergetic can be accomodate in fixed frame 2, save occupation space.
In some alternative embodiments of the present application, as shown in fig. 1, a platform 44 is disposed on the top of the secondary lifting frame 4, and when the secondary lifting frame 4 is unfolded relative to the fixed frame 2, the platform 44 can carry people or objects to a desired height, so as to realize the lifting operation. Platform 44 is arranged to facilitate the carrying of people or objects by second-level lifting frame 4, thereby meeting the requirements of lifting operation.
Further, as shown in fig. 1, in order to facilitate a user to ascend the platform 44 on the secondary lifting frame 4, a ladder 25 is provided on a side surface of the fixed frame 2, and the user can ascend the platform 44 through the ladder 25 or descend to the ground from the platform 44 via the ladder 25.
Further, in order to facilitate the movement of the elevator 100, a traveling mechanism (not shown) may be disposed at the bottom of the fixed frame 2, and the movement of the elevator 100 is achieved through the traveling mechanism, thereby improving the movement flexibility of the elevator 100.
It should be noted that, in order to ensure stable and rapid lifting of the first-stage lifting frame 3 and the second-stage lifting frame 4, the embodiment of the present application adopts a transmission mode of a gear and a rack; in other embodiments of the present application, if the requirement for the lifting stability is not high or the lifting frequency is low, other transmission modes, such as a chain wheel and a chain, can also be adopted.
The operation principle of the elevator 100 according to the embodiment of the present application is:
the first-stage lifting frame 3 is placed in the fixed frame 2, the second-stage lifting frame 4 is placed in the first-stage lifting frame 3, and the driving device 11 and the transmission mechanism 12 are well adjusted. The power supply is started, the servo motor rotates forwards, power is transmitted to the first-stage gear 14 and the second-stage gear 15, the first-stage lifting frame 3 rises relative to the fixed frame 2, meanwhile, the second-stage lifting frame 4 rises relative to the first-stage lifting frame 3, the second-stage lifting frame 4 rises relative to the fixed frame 2 at double speed, and the rising speed of the second-stage lifting frame 4 is increased until the second-stage lifting frame 4 and the first-stage lifting frame 3 are completely unfolded (as shown in fig. 1, a lifting frame unfolding diagram; as shown in fig. 5 and 6, a unfolding diagram of the first-stage rack 23 and the second-stage rack 42). During descending, the servo motor rotates reversely, power is transmitted to the first-stage gear 14 and the second-stage gear 15, the second-stage lifting frame 4 descends relative to the first-stage lifting frame 3, the first-stage lifting frame 3 descends relative to the fixed frame 2, finally, the first-stage lifting frame 3 is contained in the fixed frame 2, and the second-stage lifting frame 4 is contained in the first-stage lifting frame 3 (as shown in fig. 2).
According to the lift 100 of the application, the power of servo motor input is exported by one-level gear 14 and secondary gear 15 synchronization, realize that second grade lifting frame 4 removes for one-level lifting frame 3 when one-level lifting frame 3 removes for fixed frame 2, and the direction that second grade lifting frame 4 removed is the same with the direction that one-level lifting frame 3 removed, realize that second grade lifting frame 4 removes for two parts speed of fixed frame 2, the lifting speed has been improved, in the occasion that needs frequent lift, the work efficiency is improved, satisfy the work demand. The elevator 100 is also suitable for use in situations where the space is small and the elevator 100 needs to have a high lift height. In addition, the elevator 100 is also suitable for other occasions requiring high running speed and small load, such as a household lifting table.
It should be noted that the features of the embodiments in the present application may be combined with each other without conflict.
The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.
Claims (10)
1. A lifter is characterized by comprising a driving module, a fixed frame, a primary lifting frame and a secondary lifting frame;
the fixed frame is in sliding fit with the primary lifting frame, the secondary lifting frame is in sliding fit with the primary lifting frame, the driving module is mounted on the primary lifting frame and comprises a driving device and a transmission mechanism, the transmission mechanism comprises an input end, a first output end and a second output end, the input end is connected with the driving device, and the power of the driving device is synchronously output by the first output end and the second output end;
the first output end is connected with the fixed frame to drive the first-stage lifting frame to move relative to the fixed frame, and the second output end is connected with the second-stage lifting frame to drive the second-stage lifting frame to move relative to the first-stage lifting frame.
2. The lift of claim 1, wherein a primary rack is fixed to the fixed frame, a secondary rack is fixed to the secondary lift frame, a primary gear is connected to the first output end and is engaged with the primary rack, and a secondary gear is connected to the second output end and is engaged with the secondary rack.
3. The elevator of claim 2, wherein the primary rack is disposed parallel to the secondary rack.
4. The elevator according to claim 2, wherein the transmission mechanism comprises a first dual output shaft reducer, an input shaft of the first dual output shaft reducer is connected to the driving device, and two output shafts of the first dual output shaft reducer are respectively used for driving the primary gear and the secondary gear.
5. The elevator according to claim 4, wherein the transmission mechanism further comprises a second dual output shaft reducer and a third dual output shaft reducer, one output shaft of the first dual output shaft reducer is connected to an input shaft of the second dual output shaft reducer, the other output shaft of the first dual output shaft reducer is connected to an input shaft of the third dual output shaft reducer, the two output shafts of the second dual output shaft reducer are respectively provided with the primary gear, the two output shafts of the third dual output shaft reducer are respectively provided with the secondary gear, the fixed frame is provided with two primary racks, and the secondary elevator frame is provided with two secondary racks.
6. The lift of claim 5, wherein the transmission mechanism further comprises two first transmission shafts and two second transmission shafts, the two first transmission shafts corresponding one-to-one with the two output shafts of the second dual output shaft reducer, the two second transmission shafts corresponding one-to-one with the two output shafts of the third dual output shaft reducer;
one end of each first transmission shaft is connected with the output shaft of the second double-output-shaft speed reducer through a first coupler, the other end of each first transmission shaft is provided with the primary gear, one end of each second transmission shaft is connected with the output shaft of the third double-output-shaft speed reducer through a second coupler, and the other end of each second transmission shaft is provided with the secondary gear.
7. The lift of claim 6, wherein each first drive shaft is rotatably coupled to the primary lift frame by a first bearing block and each second drive shaft is rotatably coupled to the primary lift frame by a second bearing block.
8. The lift of claim 2, wherein the fixed frame is in sliding engagement with the primary lift frame via a primary guide rail and a primary slide block, one of the primary guide rail and the primary slide block being mounted to the fixed frame and the other of the primary guide rail and the primary slide block being mounted to the primary lift frame;
the second-stage lifting frame is in sliding fit with the first-stage lifting frame through a second-stage guide rail and a second-stage sliding block, one of the second-stage guide rail and the second-stage sliding block is installed on the second-stage lifting frame, and the other of the second-stage guide rail and the second-stage sliding block is installed on the first-stage lifting frame.
9. The lift of claim 1, wherein the fixed frame is disposed outside the primary lifting frame, and the primary lifting frame is disposed outside the secondary lifting frame.
10. The lift of claim 1, wherein a platform is disposed on top of the secondary lift frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911176955.1A CN112850580A (en) | 2019-11-26 | 2019-11-26 | Elevator machine |
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| CN201911176955.1A CN112850580A (en) | 2019-11-26 | 2019-11-26 | Elevator machine |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114211440A (en) * | 2022-01-11 | 2022-03-22 | 山东钢铁股份有限公司 | Lifting type chain wheel replacing device |
| CN114394552A (en) * | 2021-12-29 | 2022-04-26 | 北京无线电计量测试研究所 | Vehicle-mounted lifting rotary table equipment |
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| CN114211440A (en) * | 2022-01-11 | 2022-03-22 | 山东钢铁股份有限公司 | Lifting type chain wheel replacing device |
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Application publication date: 20210528 |