CN206475868U - Semitrailer lifting landing leg - Google Patents
Semitrailer lifting landing leg Download PDFInfo
- Publication number
- CN206475868U CN206475868U CN201720132315.0U CN201720132315U CN206475868U CN 206475868 U CN206475868 U CN 206475868U CN 201720132315 U CN201720132315 U CN 201720132315U CN 206475868 U CN206475868 U CN 206475868U
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- CN
- China
- Prior art keywords
- worm
- support frame
- gear
- supporting leg
- landing leg
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- 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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Abstract
Semitrailer lifting landing leg, belong to semi-trailer support technical field, the semitrailer lifting landing leg, including support frame, motor, worm driver gear, driven worm gear, worm screw, supporting leg, base, characterized in that, support frame is set to the rectangular cylinder of upper and lower ends opening, support frame internal symmetry is provided with worm driver gear and driven worm gear, worm driver gear, driven worm gear are connected with worm screw respectively, and the bottom of worm screw is connected with supporting leg by bearing；The first power transmission shaft and second driving shaft are respectively arranged with the worm driver gear and driven worm gear, the outer end of first power transmission shaft is connected with the drive shaft of motor, the two ends of second driving shaft are stretched out outside the side wall of support frame, the beneficial effects of the utility model are, the lifting landing leg is simple in construction, automation mechanized operation can be achieved, transmission efficiency, lifting is steady, lifting speed is adjustable, cost is low, can promote the use of.
Description
Technical field
The utility model is related to semi-trailer support technical field, more particularly to a kind of semitrailer lifting landing leg.
Background technology
Semitrailer is a kind of extensive transport facility of modern transportation sector application, with tractor phase when semitrailer is travelled
Company has been supported by it and has drawn dragging, can pull the front end of semitrailer and tractor when not travelling, in order to right after pulling
Semitrailer front end is supported, and often sets support meanss in semitrailer leading portion.The support branch that traditional semitrailer is installed
Leg device, is monoblock type supporting leg, and supporting leg can only operate internal gear transmission mechanism to make supporting leg raising and lowering by crank, both
It is time-consuming and laborious.
In order to improve operating efficiency, mitigate the labor intensity of workman and realize automation mechanized operation, electricity has been occurred in that at present
The china national practical new-type patent of the lifting landing leg of dynamic formula, such as Patent No. CN201520746657.2, discloses a kind of trailer electricity
Dynamic supporting leg, the operation principle of the Electric support leg is to drive worm screw to rotate by motor, and worm screw drives worm gear wheel, and worm gear is with leading
Bar is engaged, and the motion of guide rod drives supporting leg to be slided up and down in glidepath, although the supporting leg can realize Automated condtrol,
It is effectively cost-effective, improve the efficiency plugged into of trailer, but the Electric support leg is complicated, transmission moving component compared with
It is many, reduce transmission efficiency；And do not account for requirement when chassis ground lifts vehicle or heavy duty to the lifting speed of supporting leg,
If now lift it is too fast may damage supporting leg, so as to occur security incident.
Safety coefficient when to sum up, in order to improve the lifting efficiency of semi-trailer support and lift is, it is necessary to existing electronic branch
The structure of leg is transformed, and makes its simple in construction, cost low, suitable for popularization and application.
The content of the invention
In order to solve the above-mentioned technical problem, the utility model provides a kind of semitrailer lifting landing leg, efficiently solves mesh
Preceding semitrailer hand supporting leg is wasted time and energy, cost high and electrodynamic type leg structure is complicated, transmission efficiency is low, elevating safety
Poor the problem of, it is therefore intended that the structure to existing Electric support leg is transformed, to design a kind of simple in construction, realization automation behaviour
The adjustable lifting landing leg of work, transmission efficiency, lifting speed.
To achieve the above object, the technical scheme that the utility model solves that its technical problem used is：The semitrailer
Be provided with motor outside lifting landing leg, including support frame, support frame, support frame be internally provided with worm driver gear, from
The base that dynamic worm gear, worm screw, supporting leg and supporting leg bottom are set, it is characterised in that above and below the support frame is set to
The rectangular cylinder of both ends open, support frame internal symmetry is provided with worm driver gear and driven worm gear, worm driver gear, driven worm gear point
It is not connected with worm screw, the bottom of worm screw is connected with supporting leg by bearing；In the worm driver gear and driven worm gear respectively
The first power transmission shaft and second driving shaft are provided with, the outer end of the first power transmission shaft is connected with the drive shaft of motor, second driving shaft
Two ends stretch out support frame side wall outside.
The supporting leg is set to hollow rectangular cylinder, and the upper end center of supporting leg is provided with through hole.
The outer ring of the through hole and bearing is fixed, and the inner ring of bearing and the bottom of worm screw are fixed.
The lower end of the worm screw is provided with supporting plate, and supporting plate is bolted on the inwall of supporting leg upper end.
The motor is set to speed governing variable-frequency motor.
The lower end of the motor is provided with hold-down support, and the lower end of hold-down support is provided with reinforcement.
Compared with prior art, its advantage is the semitrailer lifting landing leg that the utility model is related to：
1st, semitrailer lifting landing leg drives worm driver gear, driven worm gear wheel, worm driver gear, driven worm gear by motor
Worm screw between driving realizes lifting, and worm screw bottom is connected with supporting leg, so as to realize the lifting of supporting leg.The lifting landing leg
Realize that the drive disk assembly of lifting is less, simple in construction, transmission efficiency, cost is low, suitable for popularization and application.
2nd, the bottom of worm screw is connected with supporting leg by bearing, and the rotary lifting movement of worm screw will not drive supporting leg to carry out
Significantly rotate, and worm driver gear and driven worm gear wheel are arranged on the both sides of worm screw, while worm screw raising and lowering is driven, this
Sample makes supporting leg more stable lifting.
3rd, motor is set to the variable-frequency motor of adjustable speed, and the rotating speed of motor is can control according to different situations, especially weighs
The control of speed during with chassis ground is carried, the setting of variable-frequency motor reduces potential safety hazard when supporting leg is lifted.
To sum up, the more existing semi-trailer support of the semitrailer lifting landing leg, with simple in construction, realization automation behaviour
Work, transmission efficiency, lifting are steady, the adjustable advantage of lifting speed, can promote the use of.
Brief description of the drawings
The utility model is described in further detail below in conjunction with accompanying drawing.
Accompanying drawing 1 is the utility model internal structure schematic diagram；
Accompanying drawing 2 is the utility model external structure schematic diagram；
In accompanying drawing：1. support frame, 2. driven worm gears, 3. second driving shafts, 4. supporting legs, 5. bearings, 6. worm screws, 7. masters
Dynamic worm gear, 8. first power transmission shafts, 9. supporting plates, 10. bolts, 11. bases, 12. motor, 13. hold-down supports, 14. reinforcements,
41. through hole.
Embodiment
The utility model is described in further detail with reference to accompanying drawing 1, accompanying drawing 2, so that the public preferably grasps this practicality newly
The implementation of type, the utility model specific embodiment is：As shown in accompanying drawing 1, accompanying drawing 2, semitrailer lifting landing leg, including
Be provided with motor 12 outside support frame 1, support frame 1, support frame 1 be internally provided with worm driver gear 7, driven worm gear 2,
The base 11 that worm screw 6, supporting leg 4 and the bottom of supporting leg 4 are set, it is characterised in that the support frame 1 be set to above and below two
The rectangle frame of end opening, the internal symmetry of support frame 1 is provided with worm driver gear 7 and driven worm gear 2, worm driver gear 7, driven worm gear
2 are connected with worm screw 6 respectively, and the bottom of worm screw 6 is connected with supporting leg 4 by bearing 5；The worm driver gear 7 and driven snail
The first power transmission shaft 8 and second driving shaft 3, the outer end of the first power transmission shaft 8 and the drive shaft phase of motor 12 are respectively arranged with wheel 2
Even, the two ends of second driving shaft 3 are stretched out outside the side wall of support frame 1.
The supporting leg 4 is set to hollow rectangular cylinder, and the upper end center of supporting leg 4 is provided with through hole 41, through hole 41 with
The outer ring of bearing 5 is fixed, and the inner ring of bearing 5 and the bottom of worm screw 6 are fixed, and the rotary lifting movement of worm screw 6 is subtracted by bearing 5
It is weak, make the lifting of supporting leg 4 more steady.
The lower end of the worm screw 6 is provided with supporting plate 9, and supporting plate 9 is fixed on by bolt 10 on the inwall of the upper end of supporting leg 4,
Play a part of fixing bearing 5 and worm screw 6.
The motor 12 is set to speed governing variable-frequency motor, the rotating speed of motor 12 is can control according to different situations, especially
The control of speed when being heavy duty and chassis ground, the setting of variable-frequency motor reduces potential safety hazard when supporting leg is lifted.
The lower end of the motor 12 is provided with hold-down support 13, and the lower end of hold-down support 13 is provided with reinforcement 14, made
Motor 12 is more firmly secured on support frame 1.
When using the semitrailer lifting landing leg, according to the lifting speed requirement under different situations to lifting landing leg, behaviour
Make the motor 12 of adjustable speed, motor 12 drives worm driver gear 7 to rotate, worm driver gear 7 drives worm screw 6 to rotate, worm screw 6 with from
Dynamic worm gear 2 is engaged, and driven worm gear 2 plays a part of supporting and balancing the stress of worm screw 6 while rotating, under worm screw 6 drives
The supporting leg 4 of portion's connection is lifted, and the rotating speed of motor 12 is reduced when supporting leg 4 soon contacts ground, is allowed to steady decline.When
During without using lifting landing leg, motor 12 is inverted, supporting leg 4 is lifted with same principle.
The more existing semi-trailer support of semitrailer lifting landing leg, with it is simple in construction, realize automation mechanized operation, transmission
Efficiency high, lifting are steady, the adjustable advantage of lifting speed, can promote the use of.
Described above, simply explained through diagrams some principles of the present utility model, and this specification is not intended to this practicality
It is new to be confined in shown described concrete structure and the scope of application, therefore every corresponding modification for being possible to be utilized and wait
Jljl, belongs to the apllied the scope of the claims of the utility model.
In addition to technical characteristic described in specification, remaining technical characteristic is technology known to those skilled in the art.
Claims (6)
1. semitrailer lifting landing leg, including support frame（1）, support frame（1）Outside is provided with motor（12）, support frame
（1）It is internally provided with worm driver gear（7）, driven worm gear（2）, worm screw（6）, supporting leg（4）And supporting leg（4）What bottom was set
Base（11）, it is characterised in that the support frame（1）It is set to the rectangular cylinder of upper and lower ends opening, support frame（1）It is internal
It is symmetrically arranged with worm driver gear（7）With driven worm gear（2）, worm driver gear（7）, driven worm gear（2）Respectively with worm screw（6）Coordinate and connect
Connect, worm screw（6）Bottom pass through bearing（5）It is connected with supporting leg（4）；The worm driver gear（7）With driven worm gear（2）Interior difference
It is provided with the first power transmission shaft（8）And second driving shaft（3）, the first power transmission shaft（8）Outer end and motor（12）Drive shaft phase
Even, second driving shaft（3）Two ends stretch out support frame（1）Side wall outside.
2. semitrailer lifting landing leg according to claim 1, it is characterised in that：The supporting leg（4）It is set to hollow
Rectangular cylinder, supporting leg（4）Upper end center be provided with through hole（41）.
3. semitrailer lifting landing leg according to claim 2, it is characterised in that：The through hole（41）With bearing（5）It is outer
Circle is fixed, bearing（5）Inner ring and worm screw（6）Bottom fix.
4. semitrailer lifting landing leg according to claim 1, it is characterised in that：The worm screw（6）Lower end be provided with support
Plate（9）, supporting plate（9）Pass through bolt（10）It is fixed on supporting leg（4）On the inwall of upper end.
5. semitrailer lifting landing leg according to claim 1, it is characterised in that：The motor（12）It is set to speed governing change
Frequency motor.
6. semitrailer lifting landing leg according to claim 1 or 5, it is characterised in that：The motor（12）Lower end set
It is equipped with hold-down support（13）, hold-down support（13）Lower end be provided with reinforcement（14）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720132315.0U CN206475868U (en) | 2017-02-14 | 2017-02-14 | Semitrailer lifting landing leg |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720132315.0U CN206475868U (en) | 2017-02-14 | 2017-02-14 | Semitrailer lifting landing leg |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206475868U true CN206475868U (en) | 2017-09-08 |
Family
ID=59748605
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720132315.0U Expired - Fee Related CN206475868U (en) | 2017-02-14 | 2017-02-14 | Semitrailer lifting landing leg |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206475868U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108046112A (en) * | 2017-12-04 | 2018-05-18 | 国网河南省电力公司新乡供电公司 | A kind of small-sized storage material handling lifting equipment |
| CN112406813A (en) * | 2020-11-18 | 2021-02-26 | 衡阳市群立新科机械有限公司 | Detachable supporting device for semitrailer and use method thereof |
-
2017
- 2017-02-14 CN CN201720132315.0U patent/CN206475868U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108046112A (en) * | 2017-12-04 | 2018-05-18 | 国网河南省电力公司新乡供电公司 | A kind of small-sized storage material handling lifting equipment |
| CN112406813A (en) * | 2020-11-18 | 2021-02-26 | 衡阳市群立新科机械有限公司 | Detachable supporting device for semitrailer and use method thereof |
| CN112406813B (en) * | 2020-11-18 | 2023-07-25 | 衡阳市群立新科机械有限公司 | Detachable supporting device for semi-trailer and application method of detachable supporting device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 272600 Liangshan Xuji Shandong Zhengyang Machinery Co., Ltd., Liangshan County, Jining City, Shandong Province Patentee after: Shandong Zhengyang Machinery Co., Ltd Address before: 272600, Shandong, Liangshan, Jining Xu Shandong Zhengyang Machinery Co., Ltd. Patentee before: SHANDONG ZHENGYANG MACHINERY Co.,Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170908 Termination date: 20210214 |