CN104747554B - Electric lifting mechanism - Google Patents
Electric lifting mechanism Download PDFInfo
- Publication number
- CN104747554B CN104747554B CN201510042306.8A CN201510042306A CN104747554B CN 104747554 B CN104747554 B CN 104747554B CN 201510042306 A CN201510042306 A CN 201510042306A CN 104747554 B CN104747554 B CN 104747554B
- Authority
- CN
- China
- Prior art keywords
- pipe
- middle pipe
- inner tube
- bushing
- tube
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Classifications
-
- 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
-
- 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
- B66F2700/00—Lifting apparatus
- B66F2700/09—Other lifting devices
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- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Geology (AREA)
- Mechanical Engineering (AREA)
- Structural Engineering (AREA)
- Types And Forms Of Lifts (AREA)
- Load-Engaging Elements For Cranes (AREA)
Abstract
The invention discloses an electric lifting mechanism which comprises a sleeve pipe, an electric pushing rod, a pulley and a steel wire rope wound on the pulley. The sleeve pipe comprises an outer pipe, a middle pipe and an inner pipe from outside to inside in sequence. An electric pushing rod fixing part and a steel wire rope fixing part are arranged at the bottom of a pipe cavity of the outer pipe. A middle pipe upper lining sleeve is fixedly arranged at the top of the pipe cavity of the outer pipe. A middle pipe lower lining sleeve is arranged at the bottom of the middle pipe in a sleeved mode. An inner pipe upper lining sleeve is fixedly arranged at the top of a pipe cavity of the middle pipe. An inner pipe lower lining sleeve is arranged at the bottom of the inner pipe in a sleeved mode. An inner pipe lower flange is arranged at the lower end of the inner pipe. The inner pipe lower flange is placed below the inner pipe lower lining sleeve. The electric pushing rod comprises a pushing rod base and a pushing rod body. The pushing rod base is fixed on an electric pushing rod fixing part. The pulley is fixed at the top of the pushing rod. One end of the steel wire rope is fixed at a steel wire rope fixing part. The other end of the steel wire rope is connected with the inner pipe lower flange. The electric lifting mechanism is simple in structure, stable in lifting and operation and low in manufacturing cost.
Description
Technical field
The present invention relates to elevating mechanism, more particularly, to a kind of electric lifting mechanism of lamp box.
Background technology
At present, the height of LED screen lamp box market using cannot be adjusted mostly, lacks special elevation and subsidence regulating device.
And known some lifting structures have complex structure, difficult in maintenance, manufacturing cost is high, lifting runs and not smoothly lacks
Point.
Content of the invention
The technical problem to be solved is to provide that a kind of structure is simple, lifting operates steadily, low cost of manufacture
Electric lifting mechanism.
For solving above-mentioned technical problem, the technical solution adopted in the present invention is：
A kind of electric lifting mechanism, including sleeve pipe, electric pushrod, pulley and around the steel wire rope being located on this pulley；Sleeve pipe
Include the outer pipe, the pipe and the inner pipe from outside to inside successively；The tube chamber bottom of outer tube is provided with electric pushrod fixed part and steel wire rope is fixed
Portion, the tube chamber top of outer tube is fixed with bushing on middle pipe；The bottom of middle pipe is arranged with bushing under middle pipe, the tube chamber top of middle pipe
It is fixed with bushing in inner tube；The bottom of inner tube is arranged with bushing under inner tube, and the lower end of this inner tube is additionally provided with inner tube lower flange；Electricity
Dynamic push rod includes ram seat and push rod；Ram seat is fixed on electric pushrod fixed part, and pulley is fixed on the top of push rod, steel
One end of cord is fixed on steel wire rope fixed part, and the other end is connected with inner tube lower flange.
After technique scheme, the present invention has the following advantages that：
1st, the number of components of electric lifting mechanism of the present invention is few, and structure is simple, is easy to manufacture；Using electric pushrod as dynamic
Power, pulley and steel wire rope operate steadily as drive mechanism, lifting；
2nd, the electric pushrod of the present invention, pulley, steel wire rope etc. are all hidden in tube interior so that this electric lifting mechanism
Overall structure is compacter, and outward appearance is also more succinct, it also avoid above-mentioned part simultaneously and is corroded by external environment condition, contributes to
Extend the service life of product；
3rd, after adopting technique scheme, electric pushrod often moves 1mm, and inner tube will move 2mm, serves stroke and amplifies work
With.
Brief description
Fig. 1 is the structural representation of electric lifting mechanism according to an embodiment of the invention, and wherein, inner tube and middle pipe are in
Decline state.
Fig. 2 is the generalized section of electric lifting mechanism according to an embodiment of the invention, and wherein, inner tube and middle pipe are in
Decline state.
Fig. 3 is the close-up schematic view of the O part of Fig. 2.
Fig. 4 is the close-up schematic view of the portion P of Fig. 2.
Fig. 5 is the structural representation of electric lifting mechanism according to an embodiment of the invention, and wherein, inner tube and middle pipe are in
Propradation.
Fig. 6 is the generalized section of electric lifting mechanism according to an embodiment of the invention, and wherein, inner tube and middle pipe are in
Propradation.
Specific embodiment
Below in conjunction with the accompanying drawings the present invention is made and further illustrating.
Refer to Fig. 1 to Fig. 6.A kind of electric lifting mechanism according to an embodiment of the invention, including sleeve pipe, electric pushrod
4th, pulley 5 and around the steel wire rope 6 being located on pulley 5.Sleeve pipe includes outer tube 1, middle pipe 2 and inner tube 3 from outside to inside successively.
The tube chamber bottom of outer tube 1 is provided with electric pushrod fixed part 11 and steel wire rope fixed part 12.The tube chamber top of outer tube 1 is solid
Surely it is provided with bushing 25 on middle pipe.On middle pipe, the top of bushing 25 is provided with a circle flange 251, manages a circle flange of upper bushing in this
251 bottom surface is pressed on the upper surface of outer tube.The upper end of outer tube is fixed with outer tube upper flange 17, and this outer tube upper flange 17 includes
Annular roof plate 171 and the annular side plate 172 being extended downwardly by the periphery of annular roof plate 171, the annular roof plate tool of outer tube upper flange
There is the central through hole that in supplying, pipe 2 passes through, the annular roof plate 171 of outer tube upper flange is pressed in a circle flange 251 of bushing on middle pipe
Top surface, the annular side plate 172 of outer tube upper flange and the side wall riveting of outer tube 1.
The bottom of middle pipe 2 is arranged with bushing 26 under middle pipe.Under middle pipe, the inwall of bushing 26 is provided with projection 261, middle pipe 2
Side wall is provided with the groove 201 being adapted with the projection 261 of bushing under middle pipe, and under middle pipe, the projection 261 of bushing is embedded in middle tube side
In the groove 201 of wall.The lower end of middle pipe 2 is provided with middle pipe lower flange 28, and middle pipe lower flange 28 is located at the lower section of bushing under middle pipe, and
Side wall riveting with middle pipe.The non-deformability that upper and lower flange is favorably improved pipe is arranged on middle pipe.Middle pipe 2
Tube chamber top is fixed with bushing 35 in inner tube.In inner tube, the top of bushing 35 is provided with a circle flange 351, bushing in this inner tube
The bottom surface of one circle flange 351 is pressed on the upper surface of middle pipe.The upper end of middle pipe is fixed with middle pipe upper flange 27, Guan Shangfa in this
Blue 27 include annular roof plate 271 and the annular side plate 272 being extended downwardly by the periphery of annular roof plate 271, the ring of middle pipe upper flange
Shape top board has the central through hole passing through for inner tube 3, and the annular roof plate 271 of middle pipe upper flange presses a circle of bushing on inner pipe to turn over
The top surface on side 351, the annular side plate 272 of middle pipe upper flange and the side wall riveting of middle pipe.
The bottom of inner tube 3 is arranged with bushing 36 under inner tube, and under inner tube, the inwall of bushing 36 is provided with projection 361, inner tube 3
Side wall is provided with the groove 301 being adapted with the projection 361 of bushing under inner tube, and under inner tube, the projection 361 of bushing is embedded in interior tube side
In the groove 301 of wall.The lower end of inner tube 3 is additionally provided with inner tube lower flange 38, and inner tube lower flange 38 is located under bushing 36 under inner tube
Side；Inner tube lower flange 38 and the side wall riveting of inner tube.The top of inner tube 3 be provided with for connect LED case inner tube on method
Blue 37.Inner tube upper flange 37 and the side wall riveting of inner tube.The upper and lower bushing of above-mentioned middle pipe and inner tube can mitigate pipe and exist
Abrasion during lifting.
Electric pushrod 4 includes ram seat 41 and push rod 42.Ram seat 41 is fixed on 11 on electric pushrod fixed part, pulley
5 tops being fixed on push rod 42, one end of steel wire rope 6 is fixed on steel wire rope fixed part 12, the other end and inner tube lower flange 38
Connect.In the embodiments illustrated in the figures, electric pushrod fixed part 11 includes pipe base plate and the projection being arranged on outer tube 1 lower end
Pedestal on this pipe base plate.Ram seat 41 is connected with this pedestal by a bearing pin.Steel wire rope fixed part 12 is to be convexly equipped in pipe
Projection on daughter backplane.
The lifting work process of this electric lifting mechanism is as follows：After energising, the push rod 42 of electric pushrod 4 ejects, and drives and slides
Wheel 5 moves upwardly together.It is fixed on steel wire rope fixed part 12 around steel wire rope 6 one end being located on pulley 5, under the other end and inner tube
Flange 38 connects, and because pulley 5 rises, drives inner tube lower flange 38 to rise, thus realize inner tube 3 rising.Inner tube 3 rises to inner tube
After lower bushing 36 is contacted with bushing in inner tube 35, because pulley is also rising, in inner tube, bushing 35 also will do corresponding rising.In inner tube
Bushing 35 band disorder of internal organs pipe upper flange 27 rises, and then carries disorder of internal organs pipe 2 to rise, thus completing the complete upper elevator of electric lifting mechanism
Dynamic.After the completion of ascending motion, reversely it is energized to electric pushrod, the push rod 42 of electric pushrod 4 declines, band movable pulley 5 declines together,
Under self gravitation effect, inner tube 3 and middle pipe 2 decline, thus realize this electric lifting mechanism packing up.
Claims (9)
1. a kind of electric lifting mechanism is it is characterised in that include sleeve pipe, electric pushrod, pulley and around the steel being located on this pulley
Cord；
Described sleeve pipe includes the outer pipe, the pipe and the inner pipe from outside to inside successively；The tube chamber bottom of described outer tube is provided with electric pushrod
Fixed part and steel wire rope fixed part, the tube chamber top of described outer tube is fixed with bushing on middle pipe；The bottom set of described middle pipe
It is provided with bushing under pipe, the tube chamber top of described middle pipe is fixed with bushing in inner tube；The bottom of said inner tube is arranged with inner tube
Lower bushing, the lower end of this inner tube is additionally provided with inner tube lower flange；Under said inner tube bushing when said inner tube rises can with described
Bushing contact in inner tube, to drive described middle pipe to rise；
Described electric pushrod includes ram seat and push rod；Described ram seat is fixed on electric pushrod fixed part, described
Pulley be fixed on the top of described push rod, one end of described steel wire rope is fixed on described steel wire rope fixed part, the other end
It is connected with described inner tube lower flange.
2. electric lifting mechanism as claimed in claim 1 it is characterised in that in said inner tube the top of bushing be provided with a circle and turn over
Side, in this inner tube, the bottom surface of a circle flange of bushing is pressed on the upper surface of described middle pipe；
The upper end of described middle pipe is fixed with middle pipe upper flange, and in this, pipe upper flange includes annular roof plate and by described circular top
The annular side plate that the periphery of plate extends downwardly, the annular roof plate of middle pipe upper flange has the central through hole passing through for inner tube, middle pipe
The top surface of the annular roof plate pressure of a upper flange circle flange of bushing on inner pipe, the annular side plate of middle pipe upper flange and the side of middle pipe
Wall is connected.
3. electric lifting mechanism as claimed in claim 2 is it is characterised in that the side of the annular side plate of middle pipe upper flange and middle pipe
Wall riveting.
4. electric lifting mechanism as claimed in claim 1 it is characterised in that on described middle pipe the top of bushing be provided with a circle and turn over
Side, the bottom surface managing a circle flange of upper bushing in this is pressed on the upper surface of described outer tube；
The upper end of described outer tube is fixed with outer tube upper flange, and this outer tube upper flange includes annular roof plate and by described circular top
The annular side plate that the periphery of plate extends downwardly, the annular roof plate of outer tube upper flange have in pipe through central through hole, outer tube
The annular roof plate of upper flange is pressed in top surface, the annular side plate of outer tube upper flange and the side of outer tube of a circle flange of bushing on middle pipe
Wall is connected.
5. electric lifting mechanism as claimed in claim 4 is it is characterised in that the side of the annular side plate of outer tube upper flange and outer tube
Wall riveting.
6. electric lifting mechanism as claimed in claim 1 it is characterised in that under described inner tube the inwall of bushing be provided with convex
Block, the side wall of said inner tube is provided with the groove being adapted with the projection of bushing under inner tube, under inner tube, the projection of bushing is embedded in
In the groove of tube side wall；
Under described middle pipe, the inwall of bushing is provided with projection, and the side wall of described middle pipe is provided with the projection phase with bushing under middle pipe
The groove of adaptation, under middle pipe, the projection of bushing is embedded in the groove of middle tube side wall.
7. electric lifting mechanism as claimed in claim 1 is it is characterised in that the lower end of described middle pipe is provided with middle pipe lower flange；
Described middle pipe lower flange and the side wall riveting of middle pipe.
8. electric lifting mechanism as claimed in claim 1 is it is characterised in that the side wall riveting of described inner tube lower flange and inner tube
Connect in succession.
9. electric lifting mechanism as claimed in claim 1 is it is characterised in that the top of said inner tube is provided with for connecting LED
The inner tube upper flange of lamp box.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510042306.8A CN104747554B (en) | 2015-01-27 | 2015-01-27 | Electric lifting mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510042306.8A CN104747554B (en) | 2015-01-27 | 2015-01-27 | Electric lifting mechanism |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104747554A CN104747554A (en) | 2015-07-01 |
| CN104747554B true CN104747554B (en) | 2017-02-22 |
Family
ID=53587689
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510042306.8A Expired - Fee Related CN104747554B (en) | 2015-01-27 | 2015-01-27 | Electric lifting mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104747554B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106012449A (en) * | 2016-07-01 | 2016-10-12 | 嵊州市昇华机械科技有限公司 | Lifting device for clothes hanger |
| CN106583065B (en) * | 2016-11-18 | 2018-12-18 | 苏州盛天力离心机制造有限公司 | A kind of cantilever hanger of hanging bag centrifuge |
| CN113173518A (en) * | 2021-05-19 | 2021-07-27 | 山东华樱轨道装备有限公司 | Car lifting jack for truck body |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2396518Y (en) * | 1999-10-22 | 2000-09-13 | ***电子第五十四研究所 | Internal lift mast |
| CN201705877U (en) * | 2010-03-29 | 2011-01-12 | 浙江新益控制***有限公司 | Three-section type synchronous linear lifting column body |
| KR101130831B1 (en) * | 2010-03-30 | 2012-03-28 | 한국수력원자력 주식회사 | Telescopic Tube set of Bridge Transport System |
| CN102654278B (en) * | 2011-03-04 | 2016-01-13 | 海洋王照明科技股份有限公司 | A kind of elevating lever and lighting device |
| CN203440000U (en) * | 2013-08-07 | 2014-02-19 | 上海佳冷型钢有限公司 | Hydraulic lifting device |
-
2015
- 2015-01-27 CN CN201510042306.8A patent/CN104747554B/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN104747554A (en) | 2015-07-01 |
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| PB01 | Publication | ||
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| PP01 | Preservation of patent right |
Effective date of registration: 20191111 Granted publication date: 20170222 |
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| PD01 | Discharge of preservation of patent |
Date of cancellation: 20200714 Granted publication date: 20170222 |
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| PD01 | Discharge of preservation of patent | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170222 Termination date: 20220127 |
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| CF01 | Termination of patent right due to non-payment of annual fee |