CN208378325U - Motorized lift device - Google Patents
Motorized lift device Download PDFInfo
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- CN208378325U CN208378325U CN201820797554.2U CN201820797554U CN208378325U CN 208378325 U CN208378325 U CN 208378325U CN 201820797554 U CN201820797554 U CN 201820797554U CN 208378325 U CN208378325 U CN 208378325U
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- speed reducer
- base
- biaxially
- shaft
- screw rod
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Abstract
The utility model relates to a kind of Motorized lift devices, including base, the front and rear part of the base two sides is vertically provided with screw rod respectively, the screw lower end of one forequarter of base is provided with the one or three axial speed reducer, the screw lower end of another forequarter of base is provided with the two or three axial speed reducer, screw lower end on rear side of base side is provided with the first biaxially speed reducer, screw lower end positioned at base other side rear portion is provided with the second biaxially speed reducer, the axial speed reducer of driving the one or three is provided on base, two or three axial speed reducer, the driving mechanism of first biaxially speed reducer and the second biaxially speed reducer, hoistable platform is provided on the upside of base, the front and back side of the hoistable platform both sides is respectively arranged with and the feed screw nut of corresponding screw rod bolt, it is additionally provided on base and matches with hoistable platform for going up and down The guiding mechanism of platform guiding.The device is not only compact-sized, but also has higher mechanical efficiency and smaller installation dimension.
Description
Technical field
The utility model relates to a kind of Motorized lift devices.
Background technique
Currently used four screw rod lifting devices working principle are as follows: motor or motor divide two-way after speed reducer slows down
Output drives four screw rod lifting decelerators after the communtation deceleration device of two sides, then is realized by screw rod or feed screw nut with moving platform
Synchronization lifting.Since drive path is long and retarder quantity is more, cause that mechanical efficiency reduces, structure size is larger and weight compared with
Weight.Therefore reasonable Arrangement is difficult in the case where requiring occasion compact-sized, that transmission efficiency is high.
Summary of the invention
It is not only compact-sized the purpose of this utility model is to provide a kind of Motorized lift device, but also there is higher machine
Tool efficiency and smaller installation dimension.
The technical solution of the utility model is: a kind of Motorized lift device, including base, the front and back of the base two sides
Portion is vertically provided with screw rod respectively, and the screw lower end of one forequarter of base is provided with the one or three axial speed reducer, is located at machine
The screw lower end of another forequarter of seat is provided with the two or three axial speed reducer, and the screw lower end on rear side of base side is provided with
First biaxially speed reducer, the screw lower end positioned at base other side rear portion are provided with the second biaxially speed reducer, set on base
It is equipped with the axial speed reducer of driving the one or three, the two or three axial speed reducer, first biaxially speed reducer and the second biaxially speed reducer
Driving mechanism, be provided with hoistable platform on the upside of base, the front and back side of the hoistable platform both sides be respectively arranged with it is corresponding
Screw rod bolt feed screw nut, the Guiding machine matched with hoistable platform for hoistable platform guiding is additionally provided on base
Structure.
Further, the driving mechanism includes horizontal the first double-axis motor for being set to one side of base and horizontal sets
It is placed in second double-axis motor of base the other side, the rear end output shaft of first double-axis motor biaxially subtracts with first
Longitudinal shaft of fast machine is connected, and the longitudinal direction of the front end output shaft of first double-axis motor and the one or three axial speed reducer turns
Axis is connected, and the rear end output shaft of second double-axis motor is connected with longitudinal shaft of the second biaxially speed reducer, and
The front end output shaft of two double-axis motors is connected with longitudinal shaft of the two or three axial speed reducer, and the front side of the base is horizontal
It is provided with synchronous turn that two side ends are connected with the lateral shaft of the one or three axial speed reducer, the two or three axial speed reducer respectively
Axis.
Further, the driving mechanism includes the driving motor for being vertically arranged to base front, the driving motor
Output end is provided with motor reducer, and the both sides of the motor reducer are respectively arranged with horizontal output shaft, the cross
It is connected to output shaft with the lateral shaft of the corresponding 1st axial speed reducer, the two or three axial speed reducer, a twin shaft
To longitudinal input shaft of speed reducer and the second biaxially speed reducer it is respectively arranged with synchronous rotating shaft, the synchronous rotating shaft positioned at side
Front end is connected with longitudinal shaft of the one or three axial speed reducer, axial positioned at the front end of the synchronous rotating shaft of the other side and the two or three
Longitudinal shaft of speed reducer is connected.
Further, the described first biaxially speed reducer, second biaxially speed reducer, the one or three axial speed reducer and second
The bidirectional overtaking being connected with screw rod is respectively arranged on vertical output end on three axial speed reducers for being connected with screw rod
Clutch is provided with electricity loss brake on the synchronous rotating shaft.
Further, bearing fixed seat, the bearing fixed seat are separately installed on the upside of the double rolling key clutch
60 ° of angular contact bearings connecting with screw rod lower rotational are inside provided with, the upper end of bearing fixed seat is provided with cushion.
Further, the guiding mechanism includes being set to one side of base and first vertically leading between two screw rods
Column and it is set to base the other side and the second vertical guide post between two screw rods, the both sides difference of the hoistable platform
It is slidably matched through sliding suite and the first vertical guide post and the second vertical guide post.
Further, the sliding suite includes being set to hoistable platform side and being placed on the first vertical guide post or second
The guide sleeve of vertical guide post is provided with polytetrafluoroethylene (PTFE) complex abrasion-proof band in the guide sleeve, and the top and the bottom of guide sleeve are set respectively
It is equipped with lips dustband.
Further, the two screw rod upper ends positioned at the same side of base are additionally provided with fixed plate, the first vertical guide post
It is fixedly connected with the upper end of the second vertical guide post with the fixed plate of corresponding side.
Further, the screw rod is wrapped with elastic screw rod shield, is provided with dust cover in the driving mechanism.
Further, a side of the base is provided with the limit of the hoistable platform downlink on the downside of hoistable platform and opens
It closes, also there is being fixed frame in a side of base, and the upper end of the fixed frame is provided with hoistable platform uplink limit switch.
Compared with prior art, the utility model has the advantage that
1. it is compact-sized, the commutation and deceleration of three axial directions are completed using three axial speed reducers, reduce commutation dress
It sets, improves mechanical efficiency, reduce structure size and installation weight；
2. can realize that four speed reducers are directly driven by motor using Dual-motors Driving mode, drive path is short, mentions
High mechanical efficiency.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the embodiments of the present invention one；
Fig. 2 is the side view of the embodiments of the present invention one；
Fig. 3 is the area the A enlarged drawing of Fig. 1 of the utility model；
Fig. 4 is the area the B enlarged drawing of Fig. 1 of the utility model；
Fig. 5 is the C-C cross-sectional view of Fig. 1 of the utility model；
Fig. 6 is the D-D cross-sectional view of Fig. 2 of the utility model
Fig. 7 is the use state diagram of the embodiments of the present invention one；
Fig. 8 is the structural representation sketch of the embodiments of the present invention two.
Specific embodiment
In order to make the above-mentioned features and advantages of the utility model more obvious and understandable, special embodiment below, and cooperate attached drawing,
It is described in detail below, but the utility model is not limited to this.
Embodiment one is referring to figs. 1 to Fig. 7
The front and rear part of a kind of Motorized lift device, including base 10, the base two sides is vertically provided with screw rod 20 respectively,
The screw lower end of one forequarter of base is provided with the one or three axial speed reducer 44, under the screw rod of another forequarter of base
End is provided with the two or three axial speed reducer 46, and the screw lower end on rear side of base side is provided with the first biaxially speed reducer
43, the screw lower end positioned at base other side rear portion is provided with the second biaxially speed reducer 45, is provided with driving first on base
The driving mechanism of three axial speed reducers, the two or three axial speed reducer, first biaxially speed reducer and the second biaxially speed reducer, machine
Seat upside is provided with hoistable platform 30, and the front and back side of the hoistable platform both sides is respectively arranged with and corresponding screw rod bolt
Feed screw nut 21, the guiding mechanism matched with hoistable platform for hoistable platform guiding is additionally provided on base.
In the present embodiment, the driving mechanism includes horizontal the first double-axis motor 41 for being set to one side of base and crouches
Formula is set to second double-axis motor 42 of base the other side, and the rear end output shaft of first double-axis motor is through shaft coupling
It is connected with longitudinal shaft of the first biaxially speed reducer, so that the screw rod that driving is located at base side rear portion rotates.Described
The front end output shaft of one double-axis motor is connected through shaft coupling with longitudinal shaft of the one or three axial speed reducer, thus driving machine
The screw rod rotation of one forequarter of seat.The rear end output shaft of second double-axis motor is through shaft coupling and the second biaxially speed reducer
Longitudinal shaft be connected, so that the screw rod at base side rear portion be driven to rotate.The front end output shaft of second double-axis motor passes through
Shaft coupling is connected with longitudinal shaft of the two or three axial speed reducer, so that the screw rod of base other side front be driven to rotate.Institute
State the horizontal lateral shaft for being provided with two side ends respectively with the one or three axial speed reducer, the two or three axial speed reducer in front side of base
The synchronous rotating shaft 47 being connected, to realize the synchronous rotary of four screw rods to drive hoistable platform to go up and down.
In the present embodiment, the described first biaxially speed reducer, second biaxially speed reducer, the one or three axial speed reducer and the
Be respectively arranged on vertical output end on two or three axial speed reducers for being connected with screw rod be connected with screw rod it is two-way super
More clutch 48, to preferably guarantee positioning accuracy.Electricity loss brake 49 is provided on the synchronous rotating shaft, to drive
Guarantee the position of hoistable platform after motor power loss.
In the present embodiment, bearing fixed seat 50 is separately installed on the upside of the double rolling key clutch, the bearing is solid
60 ° of angular contact bearings 51 connecting with screw rod lower rotational are provided in reservation, the upper end of bearing fixed seat is provided with cushion
52, to guarantee buffering effect when hoistable platform rises.The front and back side of the hoistable platform both sides be respectively arranged with it is right
The feed screw nut 21 for the screw rod bolt answered guarantees lifting precision so that hoistable platform is preferably matched with screw rod.
In the present embodiment, the guiding mechanism includes being set to one side of base and first vertical between two screw rods
Guide post 11 and it is set to base the other side and the second vertical guide post 12 between two screw rods, the two sides of the hoistable platform
Portion is slidably matched through sliding suite and the first vertical guide post and the second vertical guide post respectively.
In the present embodiment, the sliding suite includes being set to hoistable platform side and being placed on the first vertical guide post or the
The guide sleeve 13 of two vertical guide posts is provided with polytetrafluoroethylene (PTFE) complex abrasion-proof band 14 in the guide sleeve, is guaranteeing lifting guiding
While improve guide sleeve service life.The top and the bottom of guide sleeve are respectively arranged with lips dustband 15, to prevent dust
The lifting precision of guide sleeve is influenced in into guide sleeve.
In the present embodiment, it is additionally provided with fixed plate 16 positioned at two screw rod upper ends of the same side of base, described first is vertical
The upper end of guide post and the second vertical guide post is fixedly connected with the fixed plate of corresponding side, to guarantee that screw rod and first, second is led
To the stability of column.
In the present embodiment, the screw rod is wrapped with elastic screw rod shield 22, is provided with dust cover in the driving mechanism
53, a side of the base is provided with the hoistable platform downlink limit switch on the downside of hoistable platform, a side of base
Also there is fixed frame, the upper end of the fixed frame is provided with hoistable platform uplink limit switch, to guarantee hoistable platform uplink
Limit and downlink limit.
Embodiment two is referring to Fig. 8
The front and rear part of a kind of Motorized lift device, including base 10, the base two sides is vertically provided with screw rod 20 respectively,
The screw lower end of one forequarter of base is provided with the one or three axial speed reducer 44, under the screw rod of another forequarter of base
End is provided with the two or three axial speed reducer 46, and the screw lower end on rear side of base side is provided with the first biaxially speed reducer
43, the screw lower end positioned at base other side rear portion is provided with the second biaxially speed reducer 45, is provided with driving first on base
The driving mechanism of three axial speed reducers, the two or three axial speed reducer, first biaxially speed reducer and the second biaxially speed reducer, machine
Seat upside is provided with hoistable platform 30, and the front and back side of the hoistable platform both sides is respectively arranged with and corresponding screw rod bolt
Feed screw nut 21, the guiding mechanism matched with hoistable platform for hoistable platform guiding is additionally provided on base.
In the present embodiment, the driving mechanism includes the driving motor 53 for being vertically arranged to base front, the driving electricity
The output end of machine is provided with motor reducer 54, and the both sides of the motor reducer are respectively arranged with horizontal output shaft,
The horizontal output shaft is connected through shaft coupling with the lateral shaft of the corresponding 1st axial speed reducer, the two or three axial speed reducer
It connects, so that the screw rod of base front part sides be driven to rotate.The longitudinal direction of described one biaxially speed reducer and the second biaxially speed reducer
Input shaft is connected separately with longitudinally disposed synchronous rotating shaft 55 through shaft coupling, positioned at side synchronous rotating shaft front end through shaft coupling
Be connected with longitudinal shaft of the one or three axial speed reducer, positioned at the other side synchronous rotating shaft front end through shaft coupling and the two or three
Longitudinal shaft of axial speed reducer is connected, so that the screw rod of base rear portion two sides be driven to rotate, and then realizes four screw rods
Synchronous rotary is to drive hoistable platform to go up and down.
In the present embodiment, the described first biaxially speed reducer, second biaxially speed reducer, the one or three axial speed reducer and the
Be respectively arranged on vertical output end on two or three axial speed reducers for being connected with screw rod be connected with screw rod it is two-way super
More clutch 48, to preferably guarantee positioning accuracy.Electricity loss brake 49 is provided on the synchronous rotating shaft, to drive
Guarantee the position of hoistable platform after motor power loss.
In the present embodiment, bearing fixed seat 50 is separately installed on the upside of the double rolling key clutch, the bearing is solid
60 ° of angular contact bearings 51 connecting with screw rod lower rotational are provided in reservation, the upper end of bearing fixed seat is provided with cushion
52, to guarantee buffering effect when hoistable platform rises.The front and back side of the hoistable platform both sides be respectively arranged with it is right
The feed screw nut 21 for the screw rod bolt answered guarantees lifting precision so that hoistable platform is preferably matched with screw rod.
In the present embodiment, the guiding mechanism includes being set to one side of base and first vertical between two screw rods
Guide post 11 and it is set to base the other side and the second vertical guide post 12 between two screw rods, the two sides of the hoistable platform
Portion is slidably matched through sliding suite and the first vertical guide post and the second vertical guide post respectively.
In the present embodiment, the sliding suite includes being set to hoistable platform side and being placed on the first vertical guide post or the
The guide sleeve 13 of two vertical guide posts is provided with polytetrafluoroethylene (PTFE) complex abrasion-proof band 14 in the guide sleeve, is guaranteeing lifting guiding
While improve guide sleeve service life.The top and the bottom of guide sleeve are respectively arranged with lips dustband 15, to prevent dust
The lifting precision of guide sleeve is influenced in into guide sleeve.
In the present embodiment, it is additionally provided with fixed plate 16 positioned at two screw rod upper ends of the same side of base, described first is vertical
The upper end of guide post and the second vertical guide post is fixedly connected with the fixed plate of corresponding side, to guarantee that screw rod and first, second is led
To the stability of column.
In the present embodiment, the screw rod is wrapped with elastic screw rod shield 22, is provided with dust cover in the driving mechanism
53, a side of the base is provided with the hoistable platform downlink limit switch on the downside of hoistable platform, a side of base
Also there is fixed frame, the upper end of the fixed frame is provided with hoistable platform uplink limit switch, to guarantee hoistable platform uplink
Limit and downlink limit.
The above is only the preferred embodiment of the present invention, it is all done according to present utility model application the scope of the patents it is equal
Deng variation and modification, it should all belong to the covering scope of the utility model.
Claims (10)
1. a kind of Motorized lift device, including base, which is characterized in that the front and rear part of the base two sides is vertically provided with respectively
Screw rod is provided with the one or three axial speed reducer positioned at the screw lower end of one forequarter of base, positioned at the silk of another forequarter of base
Bar lower end is provided with the two or three axial speed reducer, and the screw lower end on rear side of base side is provided with first and biaxially slows down
Machine, the screw lower end positioned at base other side rear portion are provided with the second biaxially speed reducer, driving the one or three are provided on base
The driving mechanism of axial speed reducer, the two or three axial speed reducer, first biaxially speed reducer and the second biaxially speed reducer, base
Upside is provided with hoistable platform, and the front and back side of the hoistable platform both sides is respectively arranged with and the silk of corresponding screw rod bolt
Stem nut is additionally provided with the guiding mechanism matched with hoistable platform for hoistable platform guiding on base.
2. Motorized lift device according to claim 1, which is characterized in that the driving mechanism includes horizontal being set to machine
The first double-axis motor and horizontal the second double-axis motor for being set to base the other side of one side of seat, first twin shaft
The rear end output shaft of motor is connected with longitudinal shaft of the first biaxially speed reducer, the front end of first double-axis motor
Output shaft is connected with longitudinal shaft of the one or three axial speed reducer, the rear end output shaft and second of second double-axis motor
Biaxially longitudinal shaft of speed reducer is connected, the front end output shaft of the second double-axis motor and the two or three axial speed reducer it is vertical
Be connected to shaft, the front side of the base is horizontal be provided with two side ends respectively with the one or three axial speed reducer, the two or three axial
The synchronous rotating shaft that the lateral shaft of speed reducer is connected.
3. Motorized lift device according to claim 1, which is characterized in that the driving mechanism includes being vertically arranged to machine
The driving motor of seat front, the output end of the driving motor are provided with motor reducer, and the two of the motor reducer
Side is respectively arranged with horizontal output shaft, and the horizontal output shaft axially subtracts with the corresponding 1st axial speed reducer, the two or three
The lateral shaft of fast machine is connected, described one biaxially longitudinal input shaft of speed reducer and the second biaxially speed reducer be respectively set
There is synchronous rotating shaft, the front end positioned at the synchronous rotating shaft of side is connected with longitudinal shaft of the one or three axial speed reducer, is located at another
The front end of the synchronous rotating shaft of side is connected with longitudinal shaft of the two or three axial speed reducer.
4. Motorized lift device according to claim 2 or 3, which is characterized in that the described first biaxially speed reducer, second
The biaxially vertical output end on speed reducer, the one or three axial speed reducer and the two or three axial speed reducer for being connected with screw rod
On be respectively arranged with the double rolling key clutch being connected with screw rod, be provided with electricity loss brake on the synchronous rotating shaft.
5. Motorized lift device according to claim 4, which is characterized in that distinguish the upside of the double rolling key clutch
Bearing fixed seat is installed, 60 ° of angular contact bearings connecting with screw rod lower rotational, bearing are provided in the bearing fixed seat
The upper end of fixing seat is provided with cushion.
6. according to claim 1, Motorized lift device described in 2,3 or 5, which is characterized in that the guiding mechanism includes setting
In one side of base and the first vertical guide post between two screw rods and be set to base the other side and be located at two screw rods it
Between the second vertical guide post, the both sides of the hoistable platform are vertically led through sliding suite and the first vertical guide post and second respectively
Column is slidably matched.
7. Motorized lift device according to claim 6, which is characterized in that the sliding suite includes being set to lifting to put down
Platform side and the guide sleeve for being placed on the first vertical guide post or the second vertical guide post are provided with polytetrafluoroethylene (PTFE) in the guide sleeve
Complex abrasion-proof band, the top and the bottom of guide sleeve are respectively arranged with lips dustband.
8. Motorized lift device according to claim 6, which is characterized in that positioned at two screw rod upper ends of the same side of base
Be additionally provided with fixed plate, the upper end of the first vertical guide post and the second vertical guide post with the fixed plate of corresponding side is fixed connects
It connects.
9. Motorized lift device according to claim 1, which is characterized in that the screw rod is wrapped with elastic screw rod shield
It covers, is provided with dust cover in the driving mechanism.
10. Motorized lift device according to claim 1, which is characterized in that a side of the base, which is provided with, to be located at
Also there are being fixed frame, the upper end of the fixed frame in hoistable platform downlink limit switch on the downside of hoistable platform, a side of base
It is provided with hoistable platform uplink limit switch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820797554.2U CN208378325U (en) | 2018-05-28 | 2018-05-28 | Motorized lift device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820797554.2U CN208378325U (en) | 2018-05-28 | 2018-05-28 | Motorized lift device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208378325U true CN208378325U (en) | 2019-01-15 |
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ID=64972245
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820797554.2U Active CN208378325U (en) | 2018-05-28 | 2018-05-28 | Motorized lift device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208378325U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108502798A (en) * | 2018-05-28 | 2018-09-07 | 福建航空装备维修中心 | Motorized lift device and its assembly method |
-
2018
- 2018-05-28 CN CN201820797554.2U patent/CN208378325U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108502798A (en) * | 2018-05-28 | 2018-09-07 | 福建航空装备维修中心 | Motorized lift device and its assembly method |
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Legal Events
| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: No. 168, Jinda Road, Jianxin Town, Cangshan District, Fuzhou City, Fujian Province, 350007 Patentee after: Fujian Sizhan Aviation Equipment Co.,Ltd. Address before: No. 168, Jinda Road, Jinshan Industrial Zone, Cangshan District, Cangshan District, Fuzhou City, Fujian Province, 350007 Patentee before: FUJIAN AVIATION EQUIPMENT MAINTENANCE CENTER |
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| CP03 | Change of name, title or address |