CN102490699B - Rotatable lifting support leg of vehicle - Google Patents
Rotatable lifting support leg of vehicle Download PDFInfo
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- CN102490699B CN102490699B CN 201110377445 CN201110377445A CN102490699B CN 102490699 B CN102490699 B CN 102490699B CN 201110377445 CN201110377445 CN 201110377445 CN 201110377445 A CN201110377445 A CN 201110377445A CN 102490699 B CN102490699 B CN 102490699B
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- oil cylinder
- inner sleeve
- hoist cylinder
- telescopic oil
- ball cap
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- 230000033001 locomotion Effects 0.000 claims description 5
- 230000000694 effects Effects 0.000 description 3
- 238000011084 recovery Methods 0.000 description 2
- 240000000233 Melia azedarach Species 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000003028 elevating effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
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Abstract
The invention discloses a rotatable lifting support leg of a vehicle, which solves the problem that an existing support leg of the vehicle cannot meet the requirement of width limit of relevant regulations. A telescopic oil cylinder (10) is arranged in an inner sleeve (8) which is arranged in an outer sleeve (9) connected with a vehicle chassis, one end of the telescopic oil cylinder (10) is connected with an oil cylinder seat (11) installed outside the outer sleeve (9) through a pin shaft (12), and the other end of the telescopic oil cylinder (10) is connected with one end of the inner sleeve (8) through a ball head (7) and a ball head seat (5), one end of the inner sleeve (8) is further connected with a lifting oil cylinder seat (3) and a lifting oil cylinder (1) through flanges (4) arranged outside the outer sleeve (9), and a hydraulic lock (2) capable of controlling the height of the lifting oil cylinder (1) is installed at the upper end of the lifting oil cylinder (1). Accordingly, the rotatable lifting support leg of the vehicle has the advantages of being capable of extending, retracting and being lifted and meeting the requirement of width limit.
Description
Technical field the present invention relates to a kind of vehicle supporting leg, relates in particular to a kind of rotatable vehicle lifting supporting leg be comprised of hoist cylinder and telescopic oil cylinder.
Background technology Chinese patent CN201980202U discloses a kind of like this engineering truck leg structure, and its constructional feature is: comprise support, be fixed on engineering truck; ，Qi upper end, support portion and support are hinged, and support portion has retractable support structure and gangbar, have the first movable end and the second movable end, and the first movable end and support are hinged, and the retractable support structure of the second movable end and support portion is hinged.This structure is as the crab shape, and structure is comparatively complicated, and floor area is larger, only plays the heavy burden effect; Chinese patent CN2466001Y also discloses a kind of like this weight lifting class vehicle supporting leg that hoists of surveying device with supporting leg bearing force Lian, its constructional feature is: this supporting leg comprises supporting leg fixed case, support oil cylinder, the top anchor fitting one stroke switch of supporting leg fixed case, device one pressing plate on the top sponson of support oil cylinder, can do relative motion in the vertical direction for being flexibly connected also between support oil cylinder and supporting leg fixed case.This structure can play support and the effect of hoisting, but, because supporting leg is fixed on vehicle chassis and is placed in outside the road wheel of vehicle, therefore, exceeded the limit for width requirement of relevant regulations.
Summary of the invention the purpose of this invention is to provide a kind of flexible and reclaims, again can lifting and meet the rotatable vehicle lifting supporting leg that limit for width requires.
For achieving the above object, the rotatable vehicle lifting supporting leg of the present invention, comprise hoist cylinder and telescopic oil cylinder, hoist cylinder and telescopic oil cylinder form T word shape, described telescopic oil cylinder is arranged in inner sleeve, inside be placed in the overcoat be connected with vehicle chassis, by bearing pin, the oil cylinder seat outer with being arranged on overcoat is connected one end of telescopic oil cylinder, the other end of telescopic oil cylinder is connected with inner sleeve one end with ball cap by bulb, one end of inner sleeve also is connected with hoist cylinder with the hoist cylinder seat by being arranged on the outer flange of overcoat, the hydraulic lock that can control the hoist cylinder height is installed in the hoist cylinder upper end.
Be connected to the spiral fashion spline joint between described overcoat and inner sleeve, be provided with the spiral fashion spline at the overcoat inside face, be provided with the spiral fashion spline at lining the outer surface of, be enclosed within while making fore and aft motion the rotation that completes regulation in making, be provided with at the inner sleeve one end outside face near hoist cylinder the sleeveless jacket of being convenient to fixed flange, be provided with the sleeveless jacket of being convenient to make the ball cap location at the inner sleeve one end inside face near hoist cylinder.
An end near hoist cylinder in described inner sleeve is equipped with the ball cap be connected with bulb, in the center of ball cap, be provided with can with the hemisphere chamber of bulb normal-running fit, near an end of telescopic oil cylinder, the indoor cover plate of hemisphere that bulb can be positioned on ball cap is installed on ball cap.
Described cover plate is comprised of two blocks of U-shaped plates, on two blocks of U-shaped plates, is provided with a plurality ofly cover plate to be fixed on to the screw of ball cap.
After adopting this structure, because telescopic oil cylinder is arranged in the overcoat be connected with vehicle chassis, by bearing pin, the oil cylinder seat outer with being arranged on overcoat is connected one end of telescopic oil cylinder, the other end of telescopic oil cylinder is connected with inner sleeve one end in being arranged on overcoat with ball cap by bulb, one end of inner sleeve also is connected with hoist cylinder by being arranged on the outer flange of overcoat, the hydraulic lock that can control the hoist cylinder height is installed in the hoist cylinder upper end, therefore, has realized flexible recovery purpose; Again owing between overcoat and inner sleeve, being connected to the spiral fashion spline joint, when completing flexible the recovery, make elevating ram complete the rotation of predetermined angular, guaranteed the compactedness of mechanism.
Below in conjunction with drawings and Examples, the present invention is described in further detail in the accompanying drawing explanation.
Accompanying drawing is that the master of the rotatable vehicle lifting supporting leg of the present invention looks schematic diagram.
In figure: 1. hoist cylinder 2. hydraulic lock 3. hoist cylinder seat 4. flange 5. ball cap 6. cover plate 7. bulb 8. inner sleeve 9. overcoat 10. telescopic oil cylinder 11. oil cylinder seat 12. bearing pins.
Specific embodiment Fig. 1, Fig. 2, the rotatable vehicle lifting supporting leg of the present invention shown in Fig. 3, comprise hoist cylinder 1 and telescopic oil cylinder 10, hoist cylinder 1 and telescopic oil cylinder 10 form T word shape, described telescopic oil cylinder 1 is arranged in inner sleeve 8, inner sleeve 8 is placed in the overcoat 9 be connected with vehicle chassis, by bearing pin 12, the oil cylinder seat 11 outer with being arranged on overcoat 9 is connected one end of telescopic oil cylinder 10, the other end of telescopic oil cylinder 10 is connected with inner sleeve 8 one ends with ball cap 5 by bulb 7, one end of inner sleeve 8 also is connected with hoist cylinder 1 with hoist cylinder seat 3 by being arranged on overcoat 9 outer flanges 4, the hydraulic lock 2 that can control hoist cylinder 1 height is installed in hoist cylinder 1 upper end, be connected to the spiral fashion spline joint between described overcoat 9 and inner sleeve 8, be provided with the spiral fashion spline at overcoat 9 inside faces, be provided with the spiral fashion spline at inner sleeve 8 outside faces, make inner sleeve 8 complete the rotation of regulation when making fore and aft motion, be provided with at the inner sleeve 8 one end outside faces near hoist cylinder 1 sleeveless jacket of being convenient to fixed flange 4, be provided with the sleeveless jacket of being convenient to make ball cap 5 location at the inner sleeve 8 one end inside faces near hoist cylinder 1, at the interior end near hoist cylinder 1 of described inner sleeve 8, the ball cap 5 be connected with bulb 7 is installed, in the center of ball cap 5, be provided with can with the hemisphere chamber of bulb 7 normal-running fiies, near an end of telescopic oil cylinder 10, the indoor cover plate 6 of hemisphere that bulb 7 can be positioned on ball cap 5 is installed on ball cap 5, described cover plate 6 is comprised of two blocks of U-shaped plates, on two blocks of U-shaped plates, is provided with a plurality ofly cover plate 6 to be fixed on to the screw of ball cap 5.
When rotatable vehicle lifting supporting leg during in state, first start telescopic oil cylinder 10, driving inner sleeve 8 advances, simultaneously, inner sleeve 8 rotates along the spline on overcoat 9, now, the hoist cylinder seat 3 drive hoist cylinders 1 that are fixed on inner sleeve 8 move ahead and rotatablely move, when rotating to predetermined angular, due to telescopic oil cylinder 10 stop motions, thereby make hoist cylinder 1 also stop moving ahead and rotatablely moving, at this moment, hoist cylinder 1 starts action, and due to the self-lock mechanism of spline and the effect of telescopic oil cylinder 10, hoist cylinder 1 no longer rotates or swings.
Claims (1)
1. a rotatable vehicle lifting supporting leg, comprise hoist cylinder and telescopic oil cylinder, hoist cylinder and telescopic oil cylinder form T word shape, described telescopic oil cylinder is arranged in inner sleeve, inside be placed in the overcoat be connected with vehicle chassis, by bearing pin, the oil cylinder seat outer with being arranged on overcoat is connected one end of telescopic oil cylinder, the other end of telescopic oil cylinder is connected with inner sleeve one end with ball cap by bulb, one end of inner sleeve also is connected with hoist cylinder with the hoist cylinder seat by being arranged on the outer flange of overcoat, the hydraulic lock that can control the hoist cylinder height is installed in the hoist cylinder upper end, an end near hoist cylinder in described inner sleeve is equipped with the ball cap be connected with bulb, in the center of ball cap, be provided with can with the hemisphere chamber of bulb normal-running fit, an end near telescopic oil cylinder on ball cap is equipped with the indoor cover plate of hemisphere that bulb can be positioned on ball cap, described cover plate is comprised of two blocks of U-shaped plates, be provided with on two blocks of U-shaped plates and a plurality ofly cover plate can be fixed on to the screw of ball cap, it is characterized in that: between described overcoat (9) and inner sleeve (8), be connected to the spiral fashion spline joint, be provided with the spiral fashion spline at overcoat (9) inside face, be provided with the spiral fashion spline at inner sleeve (8) outside face, make inner sleeve (8) complete the rotation of regulation when making fore and aft motion, be provided with at inner sleeve (8) the one end outside faces near hoist cylinder (1) sleeveless jacket of being convenient to fixed flange (4), be provided with the sleeveless jacket of being convenient to make ball cap (5) location at inner sleeve (8) the one end inside faces near hoist cylinder (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110377445 CN102490699B (en) | 2011-11-10 | 2011-11-10 | Rotatable lifting support leg of vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110377445 CN102490699B (en) | 2011-11-10 | 2011-11-10 | Rotatable lifting support leg of vehicle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102490699A CN102490699A (en) | 2012-06-13 |
| CN102490699B true CN102490699B (en) | 2013-12-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201110377445 Active CN102490699B (en) | 2011-11-10 | 2011-11-10 | Rotatable lifting support leg of vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102490699B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104057925B (en) * | 2013-03-21 | 2016-07-06 | 徐州徐工随车起重机有限公司 | Elastic spacing auxiliary leg and the Self-loading-unloading transport vehicle of container side |
| CN106829794A (en) * | 2017-03-06 | 2017-06-13 | 河南江河特种车辆有限公司 | A kind of aerial work platform and its hoist cylinder group |
| CN110271978A (en) * | 2019-05-31 | 2019-09-24 | 中联重科股份有限公司 | Support device, engineering machine, control method and control system |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1799908A (en) * | 2005-12-30 | 2006-07-12 | 三一重工股份有限公司 | Telescopic support leg for travel machine and concrete pump truck with the same |
| CN101028910A (en) * | 2007-04-11 | 2007-09-05 | 三一重工股份有限公司 | Front leg of mobile engineering machinery and mobile engineering machinery therewith |
| CN201225348Y (en) * | 2008-06-04 | 2009-04-22 | 郭玉恒 | Hydraulic two-stage spiral swinging oil cylinder |
| CN201526553U (en) * | 2009-08-31 | 2010-07-14 | 王向军 | Hydraulic rotation device |
| CN102011530A (en) * | 2009-09-08 | 2011-04-13 | 上海建筑电动工具厂有限公司 | Hydraulic rotating means |
| CN202378843U (en) * | 2011-11-10 | 2012-08-15 | 林志国 | Rotatable vehicle lifting leg |
-
2011
- 2011-11-10 CN CN 201110377445 patent/CN102490699B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1799908A (en) * | 2005-12-30 | 2006-07-12 | 三一重工股份有限公司 | Telescopic support leg for travel machine and concrete pump truck with the same |
| CN101028910A (en) * | 2007-04-11 | 2007-09-05 | 三一重工股份有限公司 | Front leg of mobile engineering machinery and mobile engineering machinery therewith |
| CN201225348Y (en) * | 2008-06-04 | 2009-04-22 | 郭玉恒 | Hydraulic two-stage spiral swinging oil cylinder |
| CN201526553U (en) * | 2009-08-31 | 2010-07-14 | 王向军 | Hydraulic rotation device |
| CN102011530A (en) * | 2009-09-08 | 2011-04-13 | 上海建筑电动工具厂有限公司 | Hydraulic rotating means |
| CN202378843U (en) * | 2011-11-10 | 2012-08-15 | 林志国 | Rotatable vehicle lifting leg |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102490699A (en) | 2012-06-13 |
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| Date | Code | Title | Description |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20180205 Address after: 364000 Dongbao Road, east city, Xinluo District, Longyan, Fujian Province, No. 421 Patentee after: Fujian overseas Chinese dragon emergency equipment Co., Ltd. Address before: 364000 Longyan province Fujian city Xinluo District East Road No. 421 Dongbao Industrial Park Patentee before: Lin Zhiguo |
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| TR01 | Transfer of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: Rotatable lifting support leg of vehicle Effective date of registration: 20190517 Granted publication date: 20131218 Pledgee: Societe Generale Bank, Limited by Share Ltd, Longyan branch Pledgor: Fujian overseas Chinese dragon emergency equipment Co., Ltd. Registration number: 2019350000051 |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 364000 Dongbao Road, east city, Xinluo District, Longyan, Fujian Province, No. 421 Patentee after: Fujian Qiaolong emergency equipment Co., Ltd Address before: 364000 Dongbao Road, east city, Xinluo District, Longyan, Fujian Province, No. 421 Patentee before: Fujian overseas Chinese dragon emergency equipment Co., Ltd. |
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| CP01 | Change in the name or title of a patent holder | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20210222 Granted publication date: 20131218 Pledgee: Societe Generale Bank Limited by Share Ltd. Longyan branch Pledgor: FUJIAN QIAOLONG EMERGENCY EQUIPMENT Co.,Ltd. Registration number: 2019350000051 |
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| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: Rotatable vehicle lifting leg Effective date of registration: 20210317 Granted publication date: 20131218 Pledgee: Societe Generale Bank Limited by Share Ltd. Longyan branch Pledgor: Fujian Qiaolong emergency equipment Co.,Ltd. Registration number: Y2021350000033 |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right |