CN206142772U - Double motor lift stand - Google Patents
Double motor lift stand Download PDFInfo
- Publication number
- CN206142772U CN206142772U CN201621066955.8U CN201621066955U CN206142772U CN 206142772 U CN206142772 U CN 206142772U CN 201621066955 U CN201621066955 U CN 201621066955U CN 206142772 U CN206142772 U CN 206142772U
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- motor
- lifting column
- transmission system
- tube end
- gear case
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Abstract
The utility model relates to a double motor lift stand, belong to elevating gear technical field, the problem of the lift stand to have transmission efficiency low is solved, the problem of should is solved technical scheme mainly include the inner tube, well pipe, the outer tube, the inner tube end plate, well pipe end board, first gear box and second gear box, be connected with a transmission system on the first gear box, a transmission system's output and first gear box are connected, a transmission system's input is connected with first motor, first motor fixed connection is on well pipe end board, the second gear box is equipped with the secondary drive system, the output of secondary drive system links to each other with well pipe end board, the input of secondary drive system is connected with the second motor, including the second motor fixed connection on the pipe end board, the utility model discloses an advantage: install first motor and second motor respectively on well pipe end board and inner tube end plate, can realize the mounting distance coincidence of the mounting distance and the stand of gear box, reach the purpose that reduces mounting distance.
Description
Technical field
The utility model is related to a kind of column, more particularly to a kind of double motor lifting column.
Background technology
Lifting column can be widely used for desk, chair, sick bed in family or medical place etc. etc., be with electric elevatable table
Example, existing electric elevatable table is mainly by two or more independent lifting columns and be connected device and isochronous controller
Composition, linear motion is realized using screw nut driving, and realizes that two or more columns are same by isochronous controller
Step lifting, existing lifting column in secondary lifting, realize lifting by a set of transmission system, and lifting travel can not by lifting column
Control well, transmission efficiency is low, and the setting height(from bottom) of existing lifting column is too high, it is impossible to reaches utilizing for space and maximizes.
Utility model content
The technical problems to be solved in the utility model is just to provide a kind of double motor lifting column, solves existing lifting column
There is a problem of that locating distance is high.
In order to solve above-mentioned technical problem, the utility model is achieved through the following technical solutions：A kind of double motor liter
Drop column, including inner tube, middle pipe and outer tube, in inner tube insertion in pipe, in middle pipe insertion outer tube, it is characterised in that：Also include interior
Tube end sheet, middle tube end sheet, outer tube end plate, first gear case and second gear case, first gear case is arranged in middle tube end sheet, the
The first transmission system is connected with one gear-box, the output end of the first transmission system is connected with first gear case, the first power train
The input of system is connected with the first motor, and the first motor is fixedly connected in middle tube end sheet, and middle tube end sheet is arranged on the bottom of middle pipe
End, second gear case is provided with the second transmission system, and the output end of the second transmission system is connected with middle tube end sheet, the second power train
The input of system is connected with the second motor, and the second motor is fixedly connected on inner tube end plate.
Preferably, the first transmission system includes the first worm screw and first worm gear of intermeshing transmission, the first worm screw and the
The motor shaft of one motor is connected, and the first screw mandrel is connected with the first worm gear, and bearing is provided with the first worm gear, and the first worm gear is arranged on
On first gear case, the rotating of the first motor is rotated controlling the first worm screw, the first worm gear wheel is then driven, so as to drive
Bearing is lifted in the first screw rod transmission, and bearing drives first gear case and middle tube end sheet synchronization lifting, it is achieved thereby that middle pipe
Lifting, transmission efficiency.
Preferably, the second transmission system includes the second worm screw and second worm gear of intermeshing transmission, the second worm screw and the
The motor shaft of two motors is connected, and is connected with the second screw mandrel on the second worm gear, and the rotating of the second motor turns controlling the second worm screw
It is dynamic, the second worm gear wheel is then driven, so as to drive the second screw rod transmission to lift, transmission efficiency.
Preferably, middle tube end sheet is provided with the first limit switch, and the first screw mandrel is provided with spacing pressing plate, and lifting column rises
Lifting position-limit is triggered by spacing pressing plate, lifting column descends through spacing pressing plate triggering descending spacing, can realize the first transmission
The protection overshoot effect of system, the first transmission system is relatively reliable, can realize spacing triggering according to spacing pressing plate, triggers effect
It is good.
Preferably, second gear case is provided with the second limit switch, and the second limit switch is provided with expansion link, lifting column
Expansion link stretching triggering lifting position-limit is risen through, lifting column descends through expansion link compression triggering descending spacing, can basis
The lifting of lifting column carrys out spacing triggering, and limit switch triggering effect is good, and the second transmission system is relatively reliable, can realize second
The protection overshoot effect of bar.
Preferably, second gear case is provided with transmission tube, and the second screw mandrel is arranged in transmission tube to be realized moving back and forth, and can be protected
Demonstrate,prove the reciprocating linearity of the second screw mandrel.
Preferably, middle tube end sheet is provided with the base of fixed first gear case, and base is provided with determining for the second screw mandrel of positioning
Position hole or locating slot, can realize the fixation of first gear case and the fixation of the second screw mandrel.
Preferably, the bottom of transmission tube is provided with flange, and flange is fixedly connected on base, improves the fixed effect of transmission tube
Really, easy installation and removal.
Preferably, middle tube end sheet is provided with the through hole of firm banking, has saved installing space.
In sum, advantage of the present utility model：1. middle Guan Sheng is made by the transmission of first the first transmission system of Motor drive
Drop, second the second transmission system of Motor drive transmission lifts inner tube, using during lifting, because the first transmission system and second is passed
Dynamic system is worked independently respectively by the first motor and the second Motor drive, the first motor and the second motor, makes the first transmission system
It is separate when working with the second transmission system, will not produce due to being driven the problem that series increases and makes transmission efficiency reduction；
2. due to the first motor and the second motor self-movement, it does not interfere with each other, is capable of achieving the superposition of speed, realizes quick liter
Drop, in the case of identical power output, running current it is little and lifting heavy load effect；
3. the first motor and the second motor are separately mounted to that the peace of gear-box can be realized in middle tube end sheet and inner tube end plate
Fill and overlapped away from the locating distance with column, reduce the purpose of locating distance；
4. the first motor or the second motor work independently, it is possible to realize the lifting of lifting column, it is to avoid when first electric
Machine or the second motor damage and the shortcoming that cannot lift.
Description of the drawings
Below in conjunction with the accompanying drawings the utility model is described in further detail：
Fig. 1 is a kind of structural representation of double motor lifting column of the utility model；
Fig. 2 is the structural representation of the transmission system of the utility model first and the second transmission system.
Specific embodiment
Embodiment one:
As shown in figure 1, a kind of double motor lifting column, including inner tube 1, middle pipe 2 and outer tube 3, in the insertion of inner tube 1 in pipe 2,
In the insertion outer tube 3 of middle pipe 2, also including inner tube end plate 11, middle tube end sheet 21, outer tube end plate 31, the tooth of first gear case 22 and second
Roller box 23, first gear case 22 is arranged in middle tube end sheet 21, is connected with the first transmission system 4 on first gear case 22, and first
The output end of transmission system 4 is connected with first gear case 22, and the input of the first transmission system 4 is connected with the first motor 5, and first
Motor 5 is fixedly connected in middle tube end sheet 21, and middle tube end sheet 21 is arranged on the bottom of middle pipe 2, and second gear case 23 is provided with
Two transmission systems 6, the output end of the second transmission system 6 is connected with middle tube end sheet 21, and the input of the second transmission system 6 is connected with
Second motor 7, the second motor 7 is fixedly connected on inner tube end plate 11.
Fig. 2 is seen again, and the first transmission system 4 includes the first worm screw 41 and first worm gear 42 of intermeshing transmission, the first snail
Bar 41 is connected with the motor shaft of the first motor 5, and the first screw mandrel 43 is connected with the first worm gear 42, and in the first worm gear 42 bearing is provided with
44, the first worm gear 42 is arranged on first gear case 22, and the rotating of the first motor is rotated controlling the first worm screw, is then driven
First worm gear wheel, so as to band dynamic bearing is lifted in the first screw rod transmission, bearing drives first gear case and middle tube end sheet synchronization
Lifting, it is achieved thereby that the lifting of middle pipe, transmission efficiency, middle tube end sheet 21 is provided with the first limit switch 25, the first screw mandrel
43 are provided with spacing pressing plate 45, and lifting column rises through the triggering lifting position-limit of spacing pressing plate 45, and lifting column descends through limit
The position triggering descending spacing of pressing plate 45, can realize the protection overshoot effect of the first transmission system, and the first transmission system is relatively reliable, energy
Spacing triggering is realized according to spacing pressing plate, triggering effect is good.
Second transmission system 6 includes the second worm screw 61 of intermeshing transmission and the second worm gear 62, the second worm screw 61 and the
The motor shaft of two motors 7 is connected, and is connected with the second screw mandrel 63 on the second worm gear 62, and the rotating of the second motor is controlling the second snail
Bar is rotated, and then drives the second worm gear wheel, so as to drive the second screw rod transmission to lift, transmission efficiency, on second gear case
The second limit switch 9 is provided with, the second limit switch 9 is provided with expansion link 91, and lifting column rises through expansion link stretching triggering
Lifting position-limit, lifting column descends through expansion link compression triggering descending spacing, can be touched come spacing according to the lifting of lifting column
Send out, limit switch triggering effect is good, and the second transmission system is relatively reliable, the protection overshoot that can realize the second screw mandrel is acted on, second
Gear-box 23 is provided with transmission tube 8, and the second screw mandrel is arranged in transmission tube to be realized moving back and forth, and can guarantee that the second screw mandrel is back and forth transported
Dynamic linearity.
Fig. 1 is finally seen, middle tube end sheet 21 is provided with the base 24 of fixed first gear case, and base is provided with positioning second
The location hole or locating slot of bar, can realize the fixation of first gear case and the fixation of the second screw mandrel, and the bottom of transmission tube 8 is provided with method
Blue 81, flange 81 is fixedly connected on base 24, improves the fixed effect of transmission tube, easy installation and removal, middle tube end sheet 21
The through hole 20 of firm banking 24 is provided with, installing space has been saved.
Embodiment two：
A kind of double motor lifting column as described in embodiment one, the present embodiment has following difference:First transmission
System and the second transmission system are arranged to ball screw and nut drive mechanism, and nut is arranged on ball screw, middle pipe, inner tube
It is fixedly connected with nut, ball screw is connected respectively with the first motor, the second motor by reduction gear box, by motor
Control ball screw is rotated, and drives nut to lift on ball screw, and the lifting of middle pipe and inner tube is realized respectively.
When using, the first motor 5 drives the first worm screw 41 to rotate, and drives the first worm gear 42 and the first screw mandrel 43 to rotate, from
And realize that first gear case 22 moves along a straight line in the first screw mandrel 43, and the synchronous liter of tube end sheet 21 during first gear case 22 drives
Drop, so as to the lifting of pipe 2 in realizing, in lifting process, Guan Sheng in being realized by the cooperation of spacing pressing plate and the first limit switch
That what is dropped is spacing, and the second motor 7 drives the second worm screw 61 to rotate, and drives the second worm gear 62 to rotate, so as to realize that the second screw mandrel 63 does
Linear motion, lifts inner tube 1, and ensures the linearity of the lifting of the second screw mandrel 63 by drive sleeve 8, and is controlled by expansion link 81
Limit switch processed 8 limits the stroke of inner tube 1, it is also possible to according to the demand of application scenario the first motor 5 and second can be selected electric
One in the work simultaneously of machine 7 or the first motor 5 and the second motor 7 works independently.
In addition to above preferred embodiment, the utility model also has other embodiments, and those skilled in the art can be with root
It is variously modified according to the utility model and deforms, without departing from spirit of the present utility model, the utility model all should be belonged to
Scope defined in claims.
Claims (9)
1. a kind of double motor lifting column, including inner tube (1), middle pipe (2) and outer tube (3), in inner tube (1) insertion in pipe (2), in
In pipe (2) insertion outer tube (3), it is characterised in that：Also include inner tube end plate (11), middle tube end sheet (21), outer tube end plate (31), the
One gear-box (22) and second gear case (23), first gear case (22) is arranged in middle tube end sheet (21), first gear case
(22) the first transmission system (4) is connected with, the output end of the first transmission system (4) is connected with first gear case (22), first
The input of transmission system (4) is connected with the first motor (5), and the first motor (5) is fixedly connected in middle tube end sheet (21), middle pipe
End plate (21) is arranged on the bottom of middle pipe (2), and second gear case (23) is provided with the second transmission system (6), the second transmission system
(6) output end is connected with middle tube end sheet (21), and the input of the second transmission system (6) is connected with the second motor (7), and second is electric
Machine (7) is fixedly connected on inner tube end plate (11).
2. a kind of double motor lifting column according to claim 1, it is characterised in that：First transmission system (4) is including phase
First worm screw (41) of mutual engaged transmission and the first worm gear (42), the first worm screw (41) is connected with the motor shaft of the first motor (5),
It is connected with first worm gear (42) in the first screw mandrel (43), the first worm gear (42) and is provided with bearing (44), the first worm gear (42) is arranged
On first gear case (22).
3. a kind of double motor lifting column according to claim 2, it is characterised in that：Second transmission system (6) is including phase
Second worm screw (61) of mutual engaged transmission and the second worm gear (62), the second worm screw (61) is connected with the motor shaft of the second motor (7),
The second screw mandrel (63) is connected with second worm gear (62).
4. a kind of double motor lifting column according to claim 2, it is characterised in that：Middle tube end sheet (21) is provided with first
Limit switch (25), the first screw mandrel (43) is provided with spacing pressing plate (45), and lifting column rises through spacing pressing plate (45) triggering
Lifting position-limit, lifting column descends through spacing pressing plate (45) triggering descending spacing.
5. a kind of double motor lifting column according to claim 3, it is characterised in that：Second gear case is provided with the second limit
Bit switch (9), the second limit switch (9) is provided with expansion link (91), and lifting column rises through expansion link stretching triggering and rises
Spacing, lifting column descends through expansion link compression triggering descending spacing.
6. a kind of double motor lifting column according to claim 5, it is characterised in that：Second gear case (23) is provided with biography
Dynamic pipe (8), the second screw mandrel is arranged in transmission tube to be realized moving back and forth.
7. a kind of double motor lifting column according to claim 6, it is characterised in that：Middle tube end sheet (21) is provided with fixation
The base (24) of first gear case, base is provided with the location hole or locating slot of the second screw mandrel of positioning.
8. a kind of double motor lifting column according to claim 7, it is characterised in that：The bottom of transmission tube (8) is provided with method
Blue (81), flange (81) is fixedly connected on base (24).
9. a kind of double motor lifting column according to claim 7, it is characterised in that：Middle tube end sheet (21) is provided with fixation
The through hole (20) of base (24).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621066955.8U CN206142772U (en) | 2016-09-20 | 2016-09-20 | Double motor lift stand |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621066955.8U CN206142772U (en) | 2016-09-20 | 2016-09-20 | Double motor lift stand |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206142772U true CN206142772U (en) | 2017-05-03 |
Family
ID=58619649
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621066955.8U Active CN206142772U (en) | 2016-09-20 | 2016-09-20 | Double motor lift stand |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206142772U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106335860A (en) * | 2016-09-20 | 2017-01-18 | 浙江捷昌线性驱动科技股份有限公司 | Dual motor lifting stand column |
-
2016
- 2016-09-20 CN CN201621066955.8U patent/CN206142772U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106335860A (en) * | 2016-09-20 | 2017-01-18 | 浙江捷昌线性驱动科技股份有限公司 | Dual motor lifting stand column |
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