CN106080539A - A kind of semi-trailer support - Google Patents
A kind of semi-trailer support Download PDFInfo
- Publication number
- CN106080539A CN106080539A CN201610772585.8A CN201610772585A CN106080539A CN 106080539 A CN106080539 A CN 106080539A CN 201610772585 A CN201610772585 A CN 201610772585A CN 106080539 A CN106080539 A CN 106080539A
- Authority
- CN
- China
- Prior art keywords
- supporting leg
- nut
- lower limb
- interior
- semi
- 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.)
- Pending
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60S—SERVICING, CLEANING, REPAIRING, SUPPORTING, LIFTING, OR MANOEUVRING OF VEHICLES, NOT OTHERWISE PROVIDED FOR
- B60S9/00—Ground-engaging vehicle fittings for supporting, lifting, or manoeuvring the vehicle, wholly or in part, e.g. built-in jacks
- B60S9/02—Ground-engaging vehicle fittings for supporting, lifting, or manoeuvring the vehicle, wholly or in part, e.g. built-in jacks for only lifting or supporting
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Vehicle Cleaning, Maintenance, Repair, Refitting, And Outriggers (AREA)
Abstract
The open a kind of semi-trailer support of the present invention, including external support lower limb, interior supporting leg, bevel gear to, power shaft, leading screw and nut mechanism, base, described bevel gear is to connecting power shaft and screw mandrel respectively, nut is fixed on interior supporting leg, described nut includes nut body, oil holding slot, reinforcement, and described reinforcement is arranged along the outer wall of nut body and oil holding slot；Described external support lower limb and interior supporting leg are square pipe fittings；The opening of described oil holding slot arranges interior lower limb step, described interior lower limb step is shelved on the top of interior supporting leg, the bottom outer wall of described oil holding slot is symmetrical arranged a pair positioning boss, it is provided with dowel hole in described positioning boss, makes nut be connected in detachable mode with interior supporting leg by inserting alignment pin.The present invention arranges jumbo oil holding slot on nut, and regular maintenance need not frequent oiling, and nut is directly buckled in interior square tube, and uses alignment pin spacing, improves follow-up maintenance maintenance feasibility.
Description
Technical field
The present invention relates to semitrailer component technology field, more specifically, relate to a kind of semi-trailer support.
Background technology
Semitrailer is to apply a kind of means of transport, semitrailer its front end in motion in modern transportation industry
Can be connected with tractor to be supported by and draw dragging, can hang de-to the front end of semitrailer and tractor when not travelling, for
Supporting the front end of semitrailer after de-extension, the bottom of semitrailer front end is often provided with semi-trailer support.
Existing semi-trailer support structure generally comprises external support lower limb and interior supporting leg, and described inside and outside lower limb slides relatively, silk
Stem nut is separately fixed on inside and outside lower limb, and the relative motion of feed screw nut makes interior lower limb telescopic movable, and the upper end of screw mandrel is then with outward
The gear drive in portion is connected, by gear drive transmitting movement moment.The motion of feed screw nut needs oils and fats to moisten
Sliding, and in existing semi-trailer support, it is not provided with special lubrication system, after supporting leg uses a period of time, transmission input resistance
Increasing, easily there is stripped thread fault in screw mandrel, the most stuck.
Summary of the invention
The technical problem to be solved in the present invention: a kind of reliability height, the semi-trailer support of mean free error time length are provided,
To overcome the deficiencies in the prior art.
Technical scheme: a kind of semi-trailer support, including external support lower limb, interior supporting leg, bevel gear to, input
Axle, leading screw and nut mechanism, base, described bevel gear is to connecting power shaft and screw mandrel respectively, and nut is fixed on interior supporting leg, institute
Stating nut and include nut body, oil holding slot, reinforcement, described reinforcement is arranged along the outer wall of nut body and oil holding slot；Described
External support lower limb and interior supporting leg are square pipe fittings；The opening of described oil holding slot arranges interior lower limb step, and described interior lower limb step is shelved
On the top of interior supporting leg, the bottom outer wall of described oil holding slot is symmetrical arranged a pair positioning boss, is provided with in described positioning boss
Dowel hole, makes nut be connected in detachable mode with interior supporting leg by inserting alignment pin.
Supporting leg sidewall arranges two oiling nozzles outside, be respectively used to bevel gear to and the secondary oiling of feed screw nut.
External support lower limb outer wall welding supporting leg installing plate, supporting leg installing plate both sides arrange bolt round.
The top of external support lower limb arranges supporting leg lid, and supporting leg lid includes cover plate, lid sidewall, arranges in cover plate surrounding and projects upwards
Closure gasket groove, sealing ring is set in described closure gasket groove, described lid sidewall symmetry arranges lower extension, sets in lower extension
Screw hole.
On described external support lower limb, power shaft axis hole is set, axle sleeve is set in power shaft axis hole, groove is set inside axle sleeve,
Outside framework oil seal is set in groove.
The bottom of described interior supporting leg is welded to connect central siphon, connects central siphon and is interspersed in base, the end of described interior supporting leg
Portion gradually tapers up, and reducing size is with to be connected central siphon diameter suitable.
Described supporting leg installing plate includes outer leg, bolt installation portion, the outer wall of described outer leg laminating external support lower limb, described
Bolt round is arranged on bolt installation portion, and bolt installation portion includes that waveform mounting platform, transition connect edge, described transition
Connecting edge arc and connect waveform mounting platform and outer leg, described waveform mounting platform is outwardly.
Installing electric gear roller box on described supporting leg installing plate, described electric gear case includes that motor, bevel pinion, centre are many
Gear, speed gear, a two-speed gear, adjusting part, described motor drives bevel pinion to rotate, and bevel pinion is multiple tooth with centre
The cone tooth engagement of gear, adjusting part or is nibbled output gear and a speed gear of middle many gears with two-speed gear for selection
Close and connect.
Beneficial effects of the present invention:
The present invention arranges jumbo oil holding slot on nut, and regular maintenance need not frequent oiling, and nut is directly buckled in interior side
Guan Shang, and use alignment pin spacing, improve follow-up maintenance maintenance feasibility.
The setting of spacer pin nail makes interior lower limb disassemble simplification, makes the inspection in later stage and maintenance work more convenient.
Accompanying drawing explanation
Fig. 1 is the structure cut-away view of semi-trailer support of the present invention.
Fig. 2 is semi-trailer support alien invasion schematic diagram of the present invention.
Fig. 3 is the nut structure schematic diagram of semi-trailer support of the present invention.
Fig. 4 is the nut cut-away view of semi-trailer support of the present invention.
Fig. 5 is the supporting leg lid structural representation of semi-trailer support of the present invention.
Fig. 6 is the gear-box assembling schematic diagram of semi-trailer support of the present invention.
Fig. 7 is the supporting leg installing plate top view of semi-trailer support of the present invention.
Fig. 8 be semi-trailer support of the present invention gear-box in major part split schematic diagram.
Detailed description of the invention
Embodiments of the invention are described below in detail, and the example of described embodiment is shown in the drawings, the most from start to finish
Same or similar label represents same or similar element or has the element of same or like function.Below with reference to attached
The embodiment that figure describes is exemplary, is only used for explaining the present invention, and is not considered as limiting the invention.
In describing the invention, it is to be understood that term " front and back ", " on ", D score, "left", "right", " vertically ",
Orientation or the position relationship of the instruction such as " level ", " interior ", " outward " they are based on orientation shown in the drawings or position relationship, merely to
Be easy to describe the present invention and simplifying describe rather than instruction or the hint device of indication or element must have specific orientation,
With specific azimuth configuration and operation, therefore it is not considered as limiting the invention.
In describing the invention, it should be noted that unless otherwise clearly defined and limited, term " is installed ", " phase
Even ", " connection " should broadly understood, for example, it may be fixing connection.Can also be to removably connect, or be integrally connected；Can
To be mechanical connection, it is also possible to be electrical connection；Can be to be joined directly together, it is also possible to be indirectly connected to by intermediary, Ke Yishi
The connection of two element internals.For the ordinary skill in the art, can understand that above-mentioned term is at this with concrete condition
The concrete meaning of invention.
See Fig. 1-8, the open a kind of semi-trailer support of the present invention, including external support lower limb 1, interior supporting leg 2, bevel gear to 4,
Power shaft 5, leading screw and nut mechanism, base 3, bevel gear is to connecting power shaft and screw mandrel 7 respectively, and nut 6 is fixed on interior supporting leg
On, nut includes nut body 61, oil holding slot 62, reinforcement 63, and reinforcement is arranged along the outer wall of nut body and oil holding slot；Outward
Supporting leg and interior supporting leg are square pipe fittings；The opening of oil holding slot arranges interior lower limb step, and interior lower limb step is shelved on interior supporting leg
Top, the bottom outer wall of oil holding slot is symmetrical arranged a pair positioning boss 64, is provided with dowel hole 65 in positioning boss, by insert
Entering alignment pin makes nut be connected in detachable mode with interior supporting leg.
Supporting leg sidewall arranges two oiling nozzles 8 outside, be respectively used to bevel gear to and the secondary oiling of feed screw nut.
External support lower limb outer wall welding supporting leg installing plate 9, supporting leg installing plate both sides arrange bolt round 91.
The top of external support lower limb arranges supporting leg lid 10, and supporting leg lid includes cover plate, lid sidewall, arranges in cover plate surrounding and upwards dashes forward
The closure gasket groove gone out, arranges sealing ring 11 in closure gasket groove, lid sidewall symmetry arranges lower extension, sets screw in lower extension
Hole 12.
Power shaft axis hole is set on external support lower limb, axle sleeve is set in power shaft axis hole, groove, groove are set inside axle sleeve
Inside set outside framework oil seal 13.
The bottom of interior supporting leg is welded to connect central siphon 14, connects central siphon and is interspersed in base 3, and the bottom of interior supporting leg is gradually
Shrinking, reducing size is with to be connected central siphon diameter suitable.
Supporting leg installing plate includes outer leg, bolt installation portion, and the outer wall of outer leg laminating external support lower limb, bolt round is arranged
On bolt installation portion, bolt installation portion includes that waveform mounting platform 92, transition connect edge 93, and transition connects edge arc
Connecting waveform mounting platform and outer leg, waveform mounting platform is outwardly.
On supporting leg installing plate install electric gear roller box 15, electric gear case include case lid 151, motor, bevel pinion 152,
Middle many gears 153, a speed gear 154, two-speed gear 155, output gear 156, adjusting part 157, motor drives conelet
Pinion rotation, the cone tooth of bevel pinion gear many with centre engages, and adjusting part is for selecting defeated by middle many gears
Go out tooth and a speed gear or be connected with two-speed gear engagement, i.e. exportable two friction speeds of gear-box are to output gear 156.
Although an embodiment of the present invention has been shown and described, it will be understood by those within the art that: not
These embodiments can be carried out multiple change in the case of departing from the principle of the present invention and objective, revise, replace and modification, this
The scope of invention is limited by claim and equivalent thereof, without creative work improvements introduced etc., all should comprise
Within protection scope of the present invention.
Claims (8)
1. a semi-trailer support, including external support lower limb, interior supporting leg, bevel gear to, power shaft, leading screw and nut mechanism, base,
Described bevel gear is to connecting power shaft and screw mandrel respectively, and nut is fixed on interior supporting leg, it is characterised in that: described nut includes
Nut body, oil holding slot, reinforcement, described reinforcement is arranged along the outer wall of nut body and oil holding slot；Described external support lower limb and
Interior supporting leg is square pipe fitting；The opening of described oil holding slot arranges interior lower limb step, and described interior lower limb step is shelved on interior supporting leg
Top, the bottom outer wall of described oil holding slot is symmetrical arranged a pair positioning boss, is provided with dowel hole in described positioning boss, logical
Crossing insertion alignment pin makes nut be connected in detachable mode with interior supporting leg.
Semi-trailer support the most according to claim 1, it is characterised in that: supporting leg sidewall arranges two oiling nozzles outside, respectively
For bevel gear to and the secondary oiling of feed screw nut.
Semi-trailer support the most according to claim 1, it is characterised in that: external support lower limb outer wall welding supporting leg installing plate, supporting leg
Installing plate both sides arrange bolt round.
Semi-trailer support the most according to claim 1, it is characterised in that: the top of external support lower limb arranges supporting leg lid, supporting leg lid
Including cover plate, lid sidewall, the closure gasket groove projected upwards is set in cover plate surrounding, sealing ring, institute are set in described closure gasket groove
State lid sidewall symmetry and lower extension is set, lower extension sets screw hole.
Semi-trailer support the most according to claim 1, it is characterised in that: on described external support lower limb, power shaft axis hole is set,
Axle sleeve is set in power shaft axis hole, groove is set inside axle sleeve, in groove, set outside framework oil seal.
Semi-trailer support the most according to claim 1, it is characterised in that: the bottom of described interior supporting leg is welded to connect central siphon,
Connecting central siphon to be interspersed in base, the bottom of described interior supporting leg gradually tapers up, and reducing size is with to be connected central siphon diameter suitable.
Semi-trailer support the most according to claim 3, it is characterised in that: described supporting leg installing plate includes that outer leg, bolt are pacified
Dress portion, the outer wall of described outer leg laminating external support lower limb, described bolt round is arranged on bolt installation portion, bolt installation portion bag
Include waveform mounting platform, transition connects edge, and described transition connects edge arc and connects waveform mounting platform and outer leg,
Described waveform mounting platform is outwardly.
Semi-trailer support the most according to claim 3, it is characterised in that: electric gear roller box is installed on described supporting leg installing plate,
Described electric gear case include motor, bevel pinion, middle many gears, one speed gear, two-speed gear, adjusting part, described
Motor drives bevel pinion to rotate, and the cone tooth of bevel pinion gear many with centre engages, and adjusting part is for selecting centre
The output gear of many gears and one speed gear or with two-speed gear engagement be connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610772585.8A CN106080539A (en) | 2016-08-31 | 2016-08-31 | A kind of semi-trailer support |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610772585.8A CN106080539A (en) | 2016-08-31 | 2016-08-31 | A kind of semi-trailer support |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106080539A true CN106080539A (en) | 2016-11-09 |
Family
ID=57224103
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610772585.8A Pending CN106080539A (en) | 2016-08-31 | 2016-08-31 | A kind of semi-trailer support |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106080539A (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3489395A (en) * | 1967-08-24 | 1970-01-13 | Pullman Inc | Lubricated trailer prop |
| EP0202355A1 (en) * | 1985-05-24 | 1986-11-26 | Jost-Werke GmbH | Telescopic supporting jack |
| CN1453167A (en) * | 2002-04-02 | 2003-11-05 | 霍兰德集团公司 | Landing gear apparatus and assembling method thereof |
| CN101269654A (en) * | 2008-04-29 | 2008-09-24 | 广东富华工程机械制造有限公司 | Semi-trailer support bearing screwed cap |
| CN101837769A (en) * | 2010-05-14 | 2010-09-22 | 青岛吉祥荣机械有限公司 | Semi-trailer support leg |
| CN202641660U (en) * | 2012-05-14 | 2013-01-02 | 广东富华工程机械制造有限公司 | Landing leg |
| CN203713845U (en) * | 2014-01-20 | 2014-07-16 | 广东富华工程机械制造有限公司 | Electric support leg |
| CN204567613U (en) * | 2015-03-16 | 2015-08-19 | 山东省梁山县赛强机械制造有限公司 | A kind of hand fourth gear supporting leg |
| CN205930675U (en) * | 2016-08-31 | 2017-02-08 | 广东富华机械装备制造有限公司 | Self -lubricating landing leg |
-
2016
- 2016-08-31 CN CN201610772585.8A patent/CN106080539A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3489395A (en) * | 1967-08-24 | 1970-01-13 | Pullman Inc | Lubricated trailer prop |
| EP0202355A1 (en) * | 1985-05-24 | 1986-11-26 | Jost-Werke GmbH | Telescopic supporting jack |
| CN1453167A (en) * | 2002-04-02 | 2003-11-05 | 霍兰德集团公司 | Landing gear apparatus and assembling method thereof |
| CN101269654A (en) * | 2008-04-29 | 2008-09-24 | 广东富华工程机械制造有限公司 | Semi-trailer support bearing screwed cap |
| CN101837769A (en) * | 2010-05-14 | 2010-09-22 | 青岛吉祥荣机械有限公司 | Semi-trailer support leg |
| CN202641660U (en) * | 2012-05-14 | 2013-01-02 | 广东富华工程机械制造有限公司 | Landing leg |
| CN203713845U (en) * | 2014-01-20 | 2014-07-16 | 广东富华工程机械制造有限公司 | Electric support leg |
| CN204567613U (en) * | 2015-03-16 | 2015-08-19 | 山东省梁山县赛强机械制造有限公司 | A kind of hand fourth gear supporting leg |
| CN205930675U (en) * | 2016-08-31 | 2017-02-08 | 广东富华机械装备制造有限公司 | Self -lubricating landing leg |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20161109 |
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| RJ01 | Rejection of invention patent application after publication |