CN202481969U - Support leg plate and crane provided with same - Google Patents
Support leg plate and crane provided with same Download PDFInfo
- Publication number
- CN202481969U CN202481969U CN2011205442310U CN201120544231U CN202481969U CN 202481969 U CN202481969 U CN 202481969U CN 2011205442310 U CN2011205442310 U CN 2011205442310U CN 201120544231 U CN201120544231 U CN 201120544231U CN 202481969 U CN202481969 U CN 202481969U
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- China
- Prior art keywords
- leg disc
- support
- base
- otic placode
- gland
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- Expired - Fee Related
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Abstract
The utility model discloses a support leg plate which comprises a base, a stand and a pivot arranged on the stand are arranged on the base, and a movable gland is hinged on the pivot and provided with an adjustable opening which is connected with the stand by the movable gland for closing. When the support leg plate is connected with a vertical oil cylinder of the crane, the adjustable opening is connected with the stand for closing, the support leg plate can be detached from the crane only by removing connection of the adjustable opening and the stand and changing the closing state of the adjustable opening into an opening state, and the whole detachment and attachment processes only relate to the connection of the adjustable opening and the stand, thus effectively improving the attachment and detachment speed of the support leg plate, and reducing the working load of operating personnel. The utility model further provides a crane provided with the support leg plate.
Description
Technical field
The utility model relates to the hoisting crane technical field, particularly relates to a kind of leg disc.In addition, the utility model also relates to a kind of hoisting crane with above-mentioned leg disc.
Background technology
The leg disc of hoisting crane is used to support the hoisting crane that is in operating condition, the effect of playing bearing capacity and stablizing hoisting crane.A general hoisting crane can be equipped with four leg discs usually; The leg disc of hoisting crane generally all can be installed in the end of the vertical oil cylinder of supporting leg; Along with the synchronous up-and-down movement of vertical oil cylinder, four leg discs contact with bearing surface when hoisting crane carries out operation, and hoisting crane is formed 4 supports.
The state of leg disc when being in motoring condition shown in Figure 1 for hoisting crane, in the process of moving, movable supporting legs 3 shrinks in the vehicle frame 4, and vertical oil cylinder 2 also is contraction state, and leg disc 1 is connected with vertical oil cylinder 2, built on stilts under the drive of vertical oil cylinder 2.When hoisting crane was in operating condition shown in Figure 2, movable supporting legs 3 level from vehicle frame 4 was stretched out, and vertical oil cylinder 2 stretches out earthward, and the leg disc 1 that is attached thereto is contacted with ground, plays the effect that supports heavy-duty machine.
Leg disc commonly used mainly is divided into two kinds of forms on the hoisting crane at present, and a kind of is the gland-type leg disc, and another kind is plug-type leg disc.
The structure of gland-type leg disc is as shown in Figure 3, and its concrete structure can be with reference to the decomposition texture scheme drawing of gland-type leg disc shown in Figure 4.When assembling gland-type leg disc, the bulb 2a that is arranged on vertical oil cylinder 2 bottoms places the ball-and-socket 5a of base 5, then with gland 6 through being bolted on the base 5.After accomplishing assembling, bulb 2a can rotate and swing by a small margin in ball-and-socket 5a, makes base 5 to rotate and by a small margin swing relative to vertical oil cylinder 2, and can in the gap of bulb 2a and ball-and-socket 5a, add grease help through lubricating cup 7 and lubricate.
Fig. 5 and Fig. 6 show the spatial structure and the decomposition texture of plug-type leg disc respectively.From the decomposition texture scheme drawing of plug-type leg disc shown in Figure 6, can find out, channel suspending rail 8 and base 5 weld togethers, the bulb 2a of vertical oil cylinder 2 can slide along channel suspending rail 8; Bearing pin, latch are through the fixing relative position of bulb 2a and base 5 in the hole on the channel suspending rail 8.When hoisting crane is in motoring condition, pull up bearing pin and latch, promote channel suspending rail 8 channel suspending rail 8 and anchor fitting 9 are blocked, insert bearing pin again and latch is fixed.When hoisting crane was in operating condition, the position of regulating bearing pin got among the ball-and-socket 5a of base 5 bulb 2a.
In two types above-mentioned leg disc, the gland-type leg disc uses a plurality of bolted connection bases 5 and gland 6, has brought very big inconvenience for assembling and dismounting; And plug-type leg disc complex structure, volume and weight is all bigger than normal, and the assembly and disassembly of this plug-type leg disc are inconvenient equally in the extreme.
The utility model content
The purpose of the utility model provides a kind of leg disc, and this leg disc can assemble and dismantle quickly and easily.Another purpose of the utility model provides a kind of hoisting crane with above-mentioned leg disc.
For solving the problems of the technologies described above; The utility model provides a kind of leg disc; This leg disc has base, and said base is provided with support and the pivot relative with said backing positions, on said pivot, is hinged with movable gland; Said movable gland has adjustable openings, and said adjustable openings is closed with being connected of said support through said movable gland.
Preferably, said movable gland comprises: first gland, the top at its two ends are provided with first and connect otic placode; Second gland; The bottom at its two ends is provided with the second connection otic placode that is connected the otic placode cooperation with said first; Wherein, One said first connects otic placode and is connected otic placode and is hinged on simultaneously on the said pivot with one said second, and another said first connection otic placode said second is connected otic placode and forms the said adjustable openings while and be connected with said support with another.
Preferably, said support comprises: top board, be arranged on said top of the trellis, and have first through hole on it; Intermediate plate is arranged on said mid-stent, has second through hole coaxial with said first through hole on it, forms between said intermediate plate and the said top board to hold said first and be connected otic placode is connected otic placode with said second spatial accommodation; Base plate is arranged on said frame bottom, is connected with said base.
Preferably, said base is provided with lubricating cup, and said lubricating cup is communicated with the ball-and-socket of said base.
The utility model also provides a kind of hoisting crane, and this hoisting crane has above-mentioned leg disc.
Preferably, the bulb of the vertical oil cylinder of said hoisting crane places the ball-and-socket of said base, and said movable gland is connected with said support, is centered around the outside, junction of the piston rod of said bulb and said vertical oil cylinder.
The leg disc base that the utility model provides is provided with support and the pivot relative with backing positions; On pivot, be hinged with movable gland; This activity gland can change the size of adjustable openings through the rotation around pivot; Adjustable openings is connected with support and closure when leg disc is connected with the vertical oil cylinder of hoisting crane; When need leg disc only being removed being connected of adjustable openings and support when hoisting crane is pulled down, make adjustable openings transfer the dismounting that open state can be accomplished leg disc to by closure state, whole dismounting only relates to this place of adjustable openings and support with installation process and is connected; Effectively improve the Assembly &Disassembly speed of leg disc, also reduced the work capacity of operating personal simultaneously.
Description of drawings
The view of leg disc when Fig. 1 goes for hoisting crane;
The view of leg disc when Fig. 2 is crane job;
Fig. 3 is the structural representation of existing gland-type leg disc;
Fig. 4 is the decomposition texture scheme drawing of existing gland-type leg disc;
Fig. 5 is the structural representation of existing plug-type leg disc;
Fig. 6 is the decomposition texture scheme drawing of existing plug-type leg disc;
Fig. 7 is the decomposition texture scheme drawing of the utility model leg disc;
Fig. 8 is the decomposition texture scheme drawing of the movable gland of the utility model leg disc;
Fig. 9 is the utility model leg disc and the mounting structure cutaway view of vertical oil cylinder;
Figure 10 is the utility model leg disc and hoisting crane bonded assembly perspective view;
Figure 11 is the disassembly status scheme drawing of the utility model leg disc.
The specific embodiment
The core of the utility model provides a kind of leg disc, and this leg disc can assemble and dismantle quickly and easily.Another core of the utility model provides a kind of hoisting crane with above-mentioned leg disc.
In order to make those skilled in the art person understand the utility model scheme better, the utility model is done further to specify below in conjunction with the accompanying drawing and the specific embodiment.
Please refer to the decomposition texture scheme drawing of a kind of specific embodiment of the utility model leg disc shown in Figure 7.
As can be seen from Figure 7, the leg disc that the utility model provides has increased support 30 and the pivot 50 relative with support 30 positions on the basis of existing base 10.Support 30 can make and be fixed by bolts on the base 10, also can be welded on the base 10; Pivot 50 can make equally and be fixed by bolts on the base 10, perhaps is welded on the base 10.The leg disc that the utility model provides also comprises movable gland 70; This activity gland 70 is hinged on the pivot 50, and has adjustable openings, when movable gland 70 with after support 30 is connected; This adjustable openings has realized closure, so that leg disc is fixed on the vertical oil cylinder of hoisting crane.When need leg disc only being removed being connected of adjustable openings and support 30 when hoisting crane is pulled down; Make adjustable openings transfer the dismounting that open state can be accomplished leg disc to by closure state; Whole dismounting only relates to adjustable openings with installation process and is connected with support 30 these places; Effectively improve the Assembly &Disassembly speed of leg disc, also reduced the work capacity of operating personal simultaneously.
As shown in Figure 8; Movable gland 70 comprises first gland 71 and second gland 73; Be provided with first at the top at first gland, 71 two ends and connect otic placode 711; Be provided with second in the bottom at second gland, 73 two ends and connect otic placode 731, one of them first connects otic placode 711 and is connected otic placode 731 with one second and cooperates formation activity glands 70 and pivot 50 pivotally attached pin jointed ends, and another first connects otic placode 711 and second be connected the 731 formation adjustable openings whiles of otic placode and be connected with support 30 with another.
Refer again to the structure that Fig. 7 explains the support 30 that cooperates with movable gland 70.As shown in Figure 7; This support 30 has the top board 31 that is arranged on the top, the base plate 35 that is arranged on the intermediate plate 33 at middle part and is arranged on the bottom; Wherein, The spatial accommodation that forms between top board 31 and the intermediate plate 33 is used for holding first of movable gland 70 and connects otic placode 711 and is connected otic placode 731 with second, can be connected with support 30 while so that the first connection otic placode 711 is connected otic placode 731 with second.And entire bracket 30 through base plate 35 and base 10 be spirally connected or welded and installed on base 10.
When assembling; Earlier second gland 73 is sleeved on the pivot 50; Again first gland 71 is sleeved on the pivot 50; Be pressed on first gland 71 at the nut of screwing on the pivot 50 at last, so just accomplished the hinged of movable gland 70 and pivot 50, can center on the tightness that pivot 50 rotates by adjustment activity gland 70 through degree of tightness to nut.After movable gland 70 is hinged on the pivot 50; Order places the top board 31 of support 30 and the spatial accommodation between the intermediate plate 33 with the first connection otic placode 711 and the second connection otic placode 731 in no particular order; Confirm that first through hole 311 and second through hole 331 are connected otic placode 711 with first and are connected mounting hole on the otic placode 731 with second and align and then just can insert bearing pin; Bearing pin passes first through hole 311, first on the top board 31 successively and connects mounting hole and second through hole 331 on the intermediate plate 33 that otic placode 711 is connected with second on the otic placode 731 and make movable gland 70 form a closing structure, and the while also is fixed on movable gland 70 on the support 30.In order to prevent that the bearing pin that connects support 30 and movable gland 70 is broken away from because of vibrating with support 30 and movable gland 70, inserts a latch in the end that the bearing pin external diameter is less, to guarantee that bearing pin is connected support 30 all the time securely with movable gland 70.
On the basis of the above-mentioned specific embodiment, the lubricating cup 90 that is communicated with the ball-and-socket 11 of base 10 can be set on base 10, can in ball-and-socket 11, inject the grease of lubricate through lubricating cup 90.
Except above-mentioned leg disc, the utility model also provides a kind of hoisting crane with above-mentioned leg disc.Below in conjunction with Fig. 9 to Figure 11 explain leg disc the mounting structure on this hoisting crane and on this hoisting crane the process of Assembly &Disassembly leg disc.
At first with reference to the leg disc shown in Figure 9 and the sectional arrangement drawing of the vertical oil cylinder 20 of hoisting crane.
As can be seen from Figure 9; Be connected with bulb 21 on the piston rod 23 of vertical oil cylinder 20; This bulb 21 places in the ball-and-socket 11 of base 10; The position of movable gland 70 is positioned at the outside of piston rod 23 and the junction of bulb 21, and the part that movable gland 70 exposes bulb 21 ball-and-socket 11 is around living, and movable gland 70 through with being fastened on the base 10 of support 30; So just can prevent that bulb 21 breaks away from from ball-and-socket 11, make on the leg disc vertical oil cylinder 20 that is fixedly mounted in hoisting crane shown in figure 10.
Particularly; Make movable gland 70 be in open mode shown in Figure 11 earlier, control vertical oil cylinder 20 then and from cylinder barrel, stretch out, compress up to bulb 21 entering ball-and-sockets 11 and with base 10; The gland of rotation activity subsequently 70; Make it to get in the top board 31 and the spatial accommodation between the intermediate plate 33 of support 30, insert bearing pin at last and fix, leg disc can shown in figure 10ly be connected with the vertical oil cylinder 20 of hoisting crane.
When the dismounting leg disc; At first will connect support 30 extracts with the bearing pin of movable gland 70; Remove the connection between the two; And then movable gland 70 gone to open mode shown in Figure 11, and control at last that bulb 21 also breaks away from thereupon in the vertical oil cylinder 20 withdrawal cylinder barrels from ball-and-socket 11, leg disc is pulled down from hoisting crane simple and fastly.
The structure of other part of the hoisting crane that provides as for the utility model all belongs to prior art, and the those of ordinary skill in this field can be known from prior art and know, this part content this paper that belongs to the prior art category is repeated no more.
More than leg disc that the utility model provided and the hoisting crane with it have been carried out detailed introduction.Used concrete example among this paper the principle and the embodiment of the utility model are set forth, the explanation of above embodiment just is used to help to understand the method and the core concept thereof of the utility model.Should be understood that; For those skilled in the art; Under the prerequisite that does not break away from the utility model principle, can also carry out some improvement and modification to the utility model, these improvement and modification also fall in the protection domain of the utility model claim.
Claims (6)
1. leg disc; Has base (10); It is characterized in that said base (10) is provided with support (30) and the pivot (50) relative with said support (30) position, on said pivot (50), is hinged with movable gland (70); Said movable gland (70) has adjustable openings, and said adjustable openings is closed with being connected of said support (30) through said movable gland (70).
2. leg disc as claimed in claim 1 is characterized in that, said movable gland (70) comprising:
First gland (71), the top at its two ends are provided with first and connect otic placode (711);
Second gland (73), the bottom at its two ends are provided with the second connection otic placode (731) that is connected otic placode (711) cooperation with said first,
Wherein, One said first connects otic placode (711) and is connected otic placode (731) with one said second and is hinged on simultaneously on the said pivot (50), and another said first connects otic placode (711) and said second be connected the said adjustable openings while of otic placode (731) formation and be connected with said support (30) with another.
3. leg disc as claimed in claim 2 is characterized in that, said support (30) comprising:
Top board (31) is arranged on said support (30) top, has first through hole (311) on it;
Intermediate plate (33); Be arranged on said support (30) middle part; Have second through hole (331) coaxial on it, form between said intermediate plate (33) and the said top board (31) and hold said first and be connected otic placode (711) is connected otic placode (731) with said second spatial accommodation with said first through hole (311);
Base plate (35) is arranged on said support (30) bottom, is connected with said base (10).
4. like each described leg disc in the claim 1 to 3, it is characterized in that said base (10) is provided with lubricating cup (90), said lubricating cup (90) is communicated with the ball-and-socket (11) of said base (10).
5. a hoisting crane has leg disc, it is characterized in that, said leg disc is each described leg disc in the claim 1 to 4.
6. hoisting crane as claimed in claim 5; It is characterized in that; The bulb (21) of the vertical oil cylinder (20) of said hoisting crane places the ball-and-socket (11) of said base (10); Said movable gland (70) is connected with said support (30), is centered around the outside, junction of the piston rod (23) of said bulb (21) and said vertical oil cylinder (20).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205442310U CN202481969U (en) | 2011-12-22 | 2011-12-22 | Support leg plate and crane provided with same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205442310U CN202481969U (en) | 2011-12-22 | 2011-12-22 | Support leg plate and crane provided with same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202481969U true CN202481969U (en) | 2012-10-10 |
Family
ID=46956408
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011205442310U Expired - Fee Related CN202481969U (en) | 2011-12-22 | 2011-12-22 | Support leg plate and crane provided with same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202481969U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103010178A (en) * | 2012-12-06 | 2013-04-03 | 长沙中联消防机械有限公司 | Support leg disc, support device using support leg disc and engineering vehicle |
| CN105953648A (en) * | 2016-06-06 | 2016-09-21 | 北京航天发射技术研究所 | High-strength support disc |
| CN108639978A (en) * | 2018-05-23 | 2018-10-12 | 徐州重型机械有限公司 | A kind of leg disc and the crane for installing the leg disc |
| KR102144872B1 (en) * | 2019-03-05 | 2020-08-14 | 지종연 | Trigger protection cover of construction machine |
-
2011
- 2011-12-22 CN CN2011205442310U patent/CN202481969U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103010178A (en) * | 2012-12-06 | 2013-04-03 | 长沙中联消防机械有限公司 | Support leg disc, support device using support leg disc and engineering vehicle |
| CN103010178B (en) * | 2012-12-06 | 2015-08-26 | 长沙中联消防机械有限公司 | Leg disc and there is bracing or strutting arrangement and the engineering truck of this supporting disk |
| CN105953648A (en) * | 2016-06-06 | 2016-09-21 | 北京航天发射技术研究所 | High-strength support disc |
| CN108639978A (en) * | 2018-05-23 | 2018-10-12 | 徐州重型机械有限公司 | A kind of leg disc and the crane for installing the leg disc |
| CN108639978B (en) * | 2018-05-23 | 2019-12-20 | 徐州重型机械有限公司 | Supporting leg disc and crane provided with same |
| KR102144872B1 (en) * | 2019-03-05 | 2020-08-14 | 지종연 | Trigger protection cover of construction machine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121010 Termination date: 20201222 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |