CN104512822A - Supporting legs for masted type lift - Google Patents
Supporting legs for masted type lift Download PDFInfo
- Publication number
- CN104512822A CN104512822A CN201410828839.4A CN201410828839A CN104512822A CN 104512822 A CN104512822 A CN 104512822A CN 201410828839 A CN201410828839 A CN 201410828839A CN 104512822 A CN104512822 A CN 104512822A
- Authority
- CN
- China
- Prior art keywords
- support arm
- lockhole
- lock pin
- supporting leg
- column type
- 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
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
- B66C23/62—Constructional features or details
- B66C23/72—Counterweights or supports for balancing lifting couples
- B66C23/78—Supports, e.g. outriggers, for mobile cranes
Abstract
The invention relates to supporting legs for a masted type lift. The supporting legs include support arms respectively connected with the four corners of a lift rack in a rotating manner through pivots, adjusting rods arranged at the other ends of the support arms and capable of moving up and down in the vertical direction, footing pieces positioned at the bottoms of the adjusting rods, and locking devices for relatively locking the support arms and the rack to be in an unfolded state and an folded state, wherein particularly the support arms can be folded respectively on both sides of the rack in the length direction; when the support arm is in the unfolded state and the locking device locks, the support arm forms an included angle of 60 degrees with the length extending direction of the rack; when the support arm is in the folded state and the locking device locks, the support arm is in the same direction as the length extending direction of the rack. According to the invention, the locking devices are arranged, which can lock the supporting legs at the unfolded angles quickly and accurately; the operation is very convenient; and in addition, after the supporting legs are folded, the supporting legs and the rack can be relatively locked, which facilitates the transport and safe use of the lift.
Description
Technical field
the present invention relates to a kind of supporting leg of column type elevator.
Background technology
column type elevator, be widely used in the places such as factory, hotel, dining room, station, cinema, airport, exhibition center, the best safety companion of the purposes such as maintenance facility, paint finishing, exchange light fixture, electrical equipment, clean maintenance, also very common on market, its supporting leg adopts one to be rotationally connected between pivot and frame substantially, in use, four supporting legs are scattered to periphery, and adopt feet by placement stable for whole elevator on the ground; When not using, supporting leg is drawn in the relative both sides of frame.
but its angle strutted of above-mentioned supporting leg cannot be fixed, when causing use, need to regulate, operate very inconvenient, after drawing in simultaneously, easily move outside frame under external force, be not easy to the conveying of elevator.
Summary of the invention
technical matters to be solved by this invention overcomes the deficiencies in the prior art, provides a kind of supporting leg of column type elevator of improvement.
for solving the problems of the technologies described above, the present invention takes following technical scheme:
a kind of supporting leg of column type elevator, it is comprised one end portion and is not rotated by pivot and be connected to the support arm of lift frame corner, the other end being arranged on support arm can along the adjust bar of vertical direction up-and-down movement, be positioned at the footing piece bottom adjust bar, particularly, support arm can draw in respectively in the both sides along frame length direction, supporting leg also comprises and is respectively used to relative with frame for the support arm blocking device being locked in deployed condition and rounding state, when support arm is in deployed condition, blocking device locks, the length bearing of trend of support arm and frame forms the angle of 60 °, when support arm is in rounding state, blocking device locks, and support arm is consistent with the length bearing of trend of frame.
concrete, blocking device comprises from the extension board of the outside horizontal-extending in the bottom of frame, is arranged on the first lockhole and the second lockhole on extension board and can be arranged on the lock pin that support arm matches with the first lockhole and the second lockhole actively, wherein to be that the center of circle is curved with pivot be distributed on extension board for the first lockhole and the second lockhole, when support arm is in gathering, lock pin inserts in the first lockhole; When support arm is in expansion, lock pin inserts in the second lockhole.
further, blocking device also comprises and is provided for the automatically reset reset unit of lock pin.
specifically implement and preferred aspect according to one of the present invention, support arm is back-shaped body, lock pin penetrates from the upper surface of back-shaped body, lower surface passes, reset unit comprise be fixedly installed on lock pin and limiting stopper in back-shaped body inside, be set in lock pin periphery and the elastic reset part be arranged between limiting stopper and support arm, when lock pin inserts in the first lockhole or the second lockhole, limiting stopper is conflicted in the bottom of back-shaped body, and elastic reset part is in initial condition; When lock pin is extracted in the first lockhole or the second lockhole, limiting stopper conflict elastic reset part makes elastic reset part compress, and after unclamping lock pin, elastic reset part recovers deformation, and lock pin inserts in the first lockhole or the second lockhole again.
further, the upper end of lock pin is also provided with drawing head.
further, support arm is also provided with the guide part penetrated for lock pin, drawing head and support arm separate by guide part.
specifically implement and preferred aspect according to of the present invention another, be also provided with connecting portion between adjust bar and footing piece, connecting portion from top to bottom external diameter becomes large gradually.
preferably, the horizontal section of footing piece is rounded, and the bottom of connecting portion is positioned at the center of footing piece.
in addition, above-mentioned adjust bar is screw mandrel, and is also provided with regulating handle in screw mandrel upper end.
due to the enforcement of above technical scheme, the present invention compared with prior art tool has the following advantages:
supporting leg, by the setting of blocking device, can be locked in the angle strutted by the present invention fast and accurately, easy to operate, meanwhile, after supporting leg draws in, can also realize supporting leg and the relative locking of frame, be convenient to transport and the safe handling of elevator.
Accompanying drawing explanation
below in conjunction with accompanying drawing and specific embodiment, the present invention will be further described in detail.
fig. 1 is the schematic top plan view (supporting leg launches schematic diagram) according to lift frame of the present invention and supporting leg;
fig. 2 is the schematic front view of Fig. 1;
fig. 3 is the schematic top plan view (supporting leg draws in rear) according to lift frame of the present invention and supporting leg;
wherein: 1, pivot; 2, frame; 20, bayonet socket; 3, support arm; 4, adjust bar (screw mandrel); 5, footing piece; 6, blocking device; 60, extension board; 61, the first lockhole; 62, the second lockhole; 63, lock pin; 64, reset unit; 640, limiting stopper; 641, return springs (spring); 65, drawing head; 66, guide part; 7, connecting portion; 8, regulating handle.
Detailed description of the invention
as shown in Figure 1 to Figure 3, according to the supporting leg of the column type elevator of the present embodiment, it comprise one end portion not by pivot 1 rotate the support arm 3 being connected to lift frame 2 four jiaos, the other end being arranged on support arm 3 can along the adjust bar 4 of vertical direction up-and-down movement, be positioned at the footing piece 5 bottom adjust bar 4 and be respectively used to relative with frame 2 for support arm 3 blocking device 6 being locked in deployed condition and rounding state.
in this example, support arm 3 can draw in respectively in the both sides along frame 2 length direction, and when support arm 3 is in deployed condition, blocking device 6 locks, and support arm 3 forms the angle of 60 ° with the length bearing of trend of frame 2; When support arm 3 is in rounding state, blocking device 6 locks, and support arm 3 is consistent with the length bearing of trend of frame 2.
concrete, frame 2 is also provided with bayonet socket 20, and when support arm 3 draws in, adjust bar 4 is positioned at bayonet socket 20.
blocking device 6 in this example, it comprises blocking device and comprises from the extension board 60 of the outside horizontal-extending in the bottom of frame 2, be arranged on the first lockhole 61 and the second lockhole 62 on extension board 60 and can be arranged on the lock pin 63 that support arm 3 matches with the first lockhole 61 and the second lockhole 62 actively, wherein the first lockhole 61 and the second lockhole 62 are distributed on extension board 60 with pivot 1 for the center of circle is curved, when support arm 3 is in gathering, lock pin 63 inserts in the first lockhole 61; When support arm 3 is in expansion, lock pin 63 inserts in the second lockhole 62.
further, blocking device 6 also comprises and is provided for the automatically reset reset unit 64 of lock pin 63.
concrete, support arm 3 is in back-shaped body, lock pin 63 penetrates from the upper surface of back-shaped body, lower surface passes, reset unit 64 comprise be fixedly installed on lock pin 63 and limiting stopper 640 in back-shaped body inside, be set in lock pin 63 periphery and the elastic reset part 641 be arranged between limiting stopper 640 and support arm 3, when lock pin 63 inserts in the first lockhole 61 or the second lockhole 62, limiting stopper 640 is conflicted in the bottom of back-shaped body, and elastic reset part 641 is in initial condition; When lock pin 63 is extracted in the first lockhole 61 or the second lockhole 62, limiting stopper 640 elastic reset part 641 of conflicting makes elastic reset part compress, after unclamping lock pin 63, elastic reset part 641 recovers deformation, and lock pin 63 inserts in the first lockhole 61 or the second lockhole 62 again.
in this example, for the drawing being convenient to lock pin 63, be also provided with drawing head 65 in the upper end of lock pin 63.
further, support arm 3 is also provided with the guide part 66 penetrated for lock pin 63, drawing head 65 and support arm 3 separate by guide part 66.
in addition, be also provided with connecting portion 7 between the adjust bar 4 in this example and footing piece 5, connecting portion 7 from top to bottom external diameter becomes large gradually.
further, the horizontal section of footing piece 5 is rounded, and the bottom of connecting portion 7 is positioned at the center of footing piece 5.
further, adjust bar 4 is screw mandrel, and is also provided with regulating handle 8 in screw mandrel 4 upper end, by moving regulating handle 8, makes screw mandrel drive footing piece 5 to move up and down adjustment.
in sum, supporting leg, by the setting of blocking device, can be locked in the angle strutted by the present invention fast and accurately, easy to operate, meanwhile, after supporting leg draws in, supporting leg and the relative locking of frame can also be realized, be convenient to transport and the safe handling of elevator.
above to invention has been detailed description; its object is to allow the personage being familiar with this art can understand content of the present invention and be implemented; can not limit the scope of the invention with this; the equivalence change that all Spirit Essences according to the present invention are done or modification, all should be encompassed in protection scope of the present invention.
Claims (10)
1. the supporting leg of a column type elevator, it is comprised one end portion and is not rotated by pivot and be connected to the support arm of lift frame corner, the other end being arranged on described support arm can along the adjust bar of vertical direction up-and-down movement, be positioned at the footing piece bottom described adjust bar, it is characterized in that: described support arm can draw in the both sides along described frame length direction respectively, described supporting leg also comprises and is respectively used to relative with described frame for the described support arm blocking device being locked in deployed condition and rounding state, when described support arm is in deployed condition, described blocking device locking, the length bearing of trend of described support arm and described frame forms the angle of 60 °, when described support arm is in rounding state, described blocking device locking, described support arm is consistent with the length bearing of trend of described frame.
2. the supporting leg of column type elevator according to claim 1, it is characterized in that: described blocking device comprises from the extension board of the outside horizontal-extending in the bottom of described frame, is arranged on the first lockhole and the second lockhole on described extension board and can be arranged on the lock pin that described support arm matches with described first lockhole and the second lockhole actively, the first wherein said lockhole and the second lockhole are distributed on described extension board with described pivot for the center of circle is curved, when described support arm is in gathering, in the first lockhole described in described lock pin inserts; When described support arm is in expansion, in the second lockhole described in described lock pin inserts.
3. the supporting leg of column type elevator according to claim 2, is characterized in that: described blocking device also comprises and is provided for the automatically reset reset unit of described lock pin.
4. the supporting leg of column type elevator according to claim 3, it is characterized in that: described support arm is back-shaped body, described lock pin penetrates from the upper surface of described back-shaped body, lower surface passes, described reset unit comprises and is fixedly installed on described lock pin and is positioned at the limiting stopper of described back-shaped body inside, be set in the periphery of described lock pin and the elastic reset part be arranged between described limiting stopper and described support arm, when described lock pin insert described in the first lockhole or the second lockhole in time, described limiting stopper is conflicted in the bottom of described back-shaped body, described elastic reset part is in initial condition, when described lock pin is extracted in the first described lockhole or the second lockhole, described limiting stopper described elastic reset part of conflicting makes described elastic reset part compress, after unclamping described lock pin, described elastic reset part recovers deformation, and described lock pin inserts in described first lockhole or the second lockhole again.
5. the supporting leg of column type elevator according to claim 4, is characterized in that: be also provided with drawing head in the upper end of described lock pin.
6. the supporting leg of column type elevator according to claim 5, is characterized in that: on described support arm, be also provided with the guide part penetrated for described lock pin, described drawing head and described support arm separate by described guide part.
7. the supporting leg of column type elevator according to claim 1, is characterized in that: be also provided with connecting portion between described adjust bar and described footing piece, and described connecting portion from top to bottom external diameter becomes large gradually.
8. the supporting leg of column type elevator according to claim 6, is characterized in that: the horizontal section of described footing piece is rounded, the bottom of described connecting portion is positioned at the center of described footing piece.
9. the supporting leg of the column type elevator according to claim 1 or 7, is characterized in that: described adjust bar is screw mandrel.
10. the supporting leg of column type elevator according to claim 9, is characterized in that: be also provided with regulating handle in described screw mandrel upper end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410828839.4A CN104512822A (en) | 2014-12-26 | 2014-12-26 | Supporting legs for masted type lift |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410828839.4A CN104512822A (en) | 2014-12-26 | 2014-12-26 | Supporting legs for masted type lift |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104512822A true CN104512822A (en) | 2015-04-15 |
Family
ID=52788750
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410828839.4A Pending CN104512822A (en) | 2014-12-26 | 2014-12-26 | Supporting legs for masted type lift |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104512822A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106312416A (en) * | 2016-10-08 | 2017-01-11 | 苏州威尔特铝合金升降机械有限公司 | Welding clamp for mast type elevator working platform |
| CN106348214A (en) * | 2016-10-08 | 2017-01-25 | 苏州威尔特铝合金升降机械有限公司 | Mast type high-altitude operation platform support state positioning system |
| CN108285115A (en) * | 2018-03-08 | 2018-07-17 | 浙江虎霸建设机械有限公司 | A kind of movable elevator |
| CN111792585A (en) * | 2019-11-22 | 2020-10-20 | 苏州威尔力液压升降机械有限公司 | Telescopic cylinder type aerial work platform |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN2620692Y (en) * | 2003-04-30 | 2004-06-16 | 骆建华 | Mobile light crane equipment |
| CN201280398Y (en) * | 2008-09-25 | 2009-07-29 | 骆建华 | Movable dual-purpose lifting device |
| CN201735109U (en) * | 2010-07-26 | 2011-02-09 | 谢海雨 | Multifunctional body-building exercise frame |
| CN102452616A (en) * | 2010-10-20 | 2012-05-16 | 徐州重型机械有限公司 | Landing leg support device and movable crane |
| CA2840631A1 (en) * | 2011-06-29 | 2013-01-03 | Reechcraft, Inc. | Portable modular lift system |
| CN204434141U (en) * | 2014-12-26 | 2015-07-01 | 苏州威尔特铝合金升降机械有限公司 | A kind of supporting leg of column type elevator |
-
2014
- 2014-12-26 CN CN201410828839.4A patent/CN104512822A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2620692Y (en) * | 2003-04-30 | 2004-06-16 | 骆建华 | Mobile light crane equipment |
| CN201280398Y (en) * | 2008-09-25 | 2009-07-29 | 骆建华 | Movable dual-purpose lifting device |
| CN201735109U (en) * | 2010-07-26 | 2011-02-09 | 谢海雨 | Multifunctional body-building exercise frame |
| CN102452616A (en) * | 2010-10-20 | 2012-05-16 | 徐州重型机械有限公司 | Landing leg support device and movable crane |
| CA2840631A1 (en) * | 2011-06-29 | 2013-01-03 | Reechcraft, Inc. | Portable modular lift system |
| CN204434141U (en) * | 2014-12-26 | 2015-07-01 | 苏州威尔特铝合金升降机械有限公司 | A kind of supporting leg of column type elevator |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106312416A (en) * | 2016-10-08 | 2017-01-11 | 苏州威尔特铝合金升降机械有限公司 | Welding clamp for mast type elevator working platform |
| CN106348214A (en) * | 2016-10-08 | 2017-01-25 | 苏州威尔特铝合金升降机械有限公司 | Mast type high-altitude operation platform support state positioning system |
| CN108285115A (en) * | 2018-03-08 | 2018-07-17 | 浙江虎霸建设机械有限公司 | A kind of movable elevator |
| CN111792585A (en) * | 2019-11-22 | 2020-10-20 | 苏州威尔力液压升降机械有限公司 | Telescopic cylinder type aerial work platform |
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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 | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20150415 |
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| RJ01 | Rejection of invention patent application after publication |