CN202369298U - Supporting guide device, horizontal oil cylinder and landing leg assembly - Google Patents
Supporting guide device, horizontal oil cylinder and landing leg assembly Download PDFInfo
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- CN202369298U CN202369298U CN2011204267992U CN201120426799U CN202369298U CN 202369298 U CN202369298 U CN 202369298U CN 2011204267992 U CN2011204267992 U CN 2011204267992U CN 201120426799 U CN201120426799 U CN 201120426799U CN 202369298 U CN202369298 U CN 202369298U
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- shaped bending
- oriented device
- adapter plate
- riser
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Abstract
The utility model provides a supporting guide device, a horizontal oil cylinder and a landing leg assembly. The supporting guide device comprises a U-shaped bending plate, a vertical plate and a sliding mechanism; the U-shaped bending plate comprises a first supporting arm, a bottom plate and a second supporting arm which are sequentially connected; the vertical plate comprises a first end and a second end; the bottom plate of the U-shaped bending plate is fixedly connected with the first end of the vertical plate; and the sliding mechanism is connected with the second end of the vertical plate. The supporting guide device enhances longitudinal rigidity of the horizontal oil cylinder of a landing leg, further solves the problem of instant shaking of landing leg retraction, and simultaneously can reduce abrasion among a piston rod, a guide ring and a sealing ring.
Description
Technical field
The utility model relates to engineering machinery field, particularly a kind of support oriented device, cross cylinder and leg assembly that increases supporting leg cross cylinder longitudinal rigidity.
Background technology
Fig. 1 is cross cylinder 3 structural representations in the prior art.Oil cylinder piston bar one end links to each other with movable supporting legs 2 through cross cylinder pin 1, and cylinder barrel one end links to each other with fixed supporting leg case (not shown) through second bearing pin 4.
Because to compare general car hosit long partially for rough-terrain crane movable supporting legs 2, so the locating distance of cross cylinder 3 and stroke are also bigger than normal comparatively speaking.When movable supporting legs 2 is stretched entirely; It is maximum that cross cylinder piston rod stroke reaches; At this moment because whole cylinder length is oversize; The longitudinal rigidity deficiency can cause cylinder barrel and piston rod bonded assembly position because action of gravity will be sunk, and connection location will receive a moment of flexure effect, when supporting leg is withdrawn, cause following phenomenon easily:
The first, the moment shake of supporting leg withdrawal;
The second, piston rod, guide ring, ring wear aggravation.
The utility model content
The purpose of the utility model is to propose a kind of support oriented device, cross cylinder and leg assembly that increases supporting leg cross cylinder longitudinal rigidity, with increase supporting leg cross cylinder longitudinal rigidity, and then solves the problems such as moment shake of supporting leg withdrawal.
First aspect, the utility model provide a kind of support oriented device, comprise U-shaped bending plate, riser and slide mechanism; Wherein, said U-shaped bending plate comprises first support arm, base plate and second support arm that is linked in sequence; Said riser comprises first end and second end; The base plate of said U-shaped bending plate is captiveed joint with first end of said riser; Said slide mechanism is connected with second end of said riser.
Preferably, in the above-mentioned support oriented device, said slide mechanism comprises the roller and first bearing pin; Said roller is connected with second end of said riser through said first bearing pin.
Preferably, in the above-mentioned support oriented device, said slide mechanism is chute or slide block.
Preferably, in the above-mentioned support oriented device, said bearing guiding device also comprises first adapter plate and second adapter plate; Said first adapter plate and second adapter plate all have arcuate surface; Said first adapter plate is connected with first support arm of said U-shaped bending plate; Said second adapter plate is connected with second support arm of said U-shaped bending plate.
Preferably, in the above-mentioned support oriented device, said first adapter plate is connected through bolt with first support arm of said U-shaped bending plate; Said second adapter plate is connected through bolt with second support arm of said U-shaped bending plate.
With respect to prior art, the utlity model has following advantage:
When the oil cylinder piston bar stretched out, the slide mechanism of the utility model support oriented device will slide along the base plate of movable supporting legs, and oil cylinder is played the support guide effect, and then prevented that the connection location place of cylinder barrel and piston rod from sinking.In other words, the utility model has increased the longitudinal rigidity of supporting leg cross cylinder, and then solves the problem of the moment shake of supporting leg withdrawal, can also reduce the wearing and tearing between piston rod, guide ring, the seal ring simultaneously.
Second aspect, the utility model provide a kind of cross cylinder, comprise the piston rod and the cylinder barrel that are connected, and the junction of said piston rod and cylinder barrel is provided with above-mentioned support oriented device.
Because above-mentioned support oriented device has above-mentioned technique effect, the cross cylinder with this support oriented device also should possess the corresponding techniques effect.
The third aspect, the utility model provide a kind of leg assembly, comprise movable supporting legs, cross cylinder and fixed supporting leg case; The piston rod of said cross cylinder is connected with said movable supporting legs through the cross cylinder pin; The cylinder barrel of said cross cylinder is connected with said fixed supporting leg case through second bearing pin; In the junction of said piston rod and cylinder barrel, be provided with above-mentioned support oriented device.
Because above-mentioned support oriented device has above-mentioned technique effect, the leg assembly with this support oriented device also should possess the corresponding techniques effect.
Description of drawings
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art; To do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art below; Obviously, the accompanying drawing in describing below only is some embodiment of the utility model, for those of ordinary skills; Under the prerequisite of not paying creative work property, can also obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is in the prior art, has the structural representation of the leg assembly of cross cylinder;
Fig. 2 is the front view of the utility model support oriented device first embodiment;
Fig. 3 is the utility model support oriented device first embodiment left view;
Fig. 4 is the structural representation of the utility model support oriented device second embodiment;
Fig. 5 is the structural representation of the utility model support oriented device the 3rd embodiment;
Fig. 6 is the structural representation of the utility model leg assembly embodiment.
The specific embodiment
To combine the accompanying drawing among the utility model embodiment below, the technical scheme among the utility model embodiment is carried out clear, intactly description, obviously, described embodiment only is the utility model part embodiment, rather than whole embodiment.Based on the embodiment in the utility model, those of ordinary skills are not making the every other embodiment that is obtained under the creative work prerequisite, all belong to the scope of the utility model protection.
Embodiment one
With reference to Fig. 2 and Fig. 3.Fig. 2 is the front view of the utility model support oriented device first embodiment; Fig. 3 is the utility model support oriented device first embodiment left view.
The utility model support oriented device embodiment comprises U-shaped bending plate 55, riser 52 and slide mechanism; Wherein, U-shaped bending plate 55 comprises first support arm 551, base plate 553 and second support arm 552 that is linked in sequence; Riser 52 comprises first end 521 and second end 522; The base plate 553 of U-shaped bending plate 55 is captiveed joint with first end 521 of riser 52; Slide mechanism is connected with second end 522 of riser 52.
In this embodiment, slide mechanism is the rolling mechanism with roller.Specifically comprise the roller 59 and first bearing pin 51; Roller 59 is connected with second end 522 of riser 52 through first bearing pin 51.The roller 59 of this support oriented device will roll along the base plate of movable supporting legs, and oil cylinder is played the support guide effect, prevents that the connection location of cylinder barrel and piston rod from sinking.
When practical implementation the utility model; Need support oriented device be fixed in the cylinder barrel sidewall of cross cylinder, and the cylinder barrel arm is very thin, is inappropriate for directly support oriented device being added and holds to the cylinder barrel arm or through other mode captive joints; Therefore; In the specific implementation, bearing guiding device also need be provided with two adapter plates, i.e. first adapter plate 531 and second adapter plate 532; First adapter plate 531 and second adapter plate 532 all have arcuate surface; First adapter plate 531 be connected with first support arm 551 of U-shaped bending plate 55 (for example, can be bolted connection); Second adapter plate 532 be connected with second support arm 552 of U-shaped bending plate 55 (for example, can be bolted connection).
During use, elder generation is soldered to first adapter plate 531 and second adapter plate 532 sidewall of cylinder barrel and piston rod junction; Then, 55 welding are linked as a welding body with the U-shaped bending plate with riser 52; Through bolt and pad just this welding body be connected with first adapter plate 531, second adapter plate 532.At last, roller 59 is linked to each other through the riser 52 in first bearing pin, the 51 welding bodies, the other end of first bearing pin 51 is fixing with spring cotter 58 through sequence number pad 57.
With respect to prior art, the utility model support oriented device has following advantage:
When the oil cylinder piston bar stretched out, the roller of the utility model support oriented device will slide along the base plate of movable supporting legs, and oil cylinder is played the support guide effect, and then prevented that the connection location place of cylinder barrel and piston rod from sinking.In other words, the utility model has increased the longitudinal rigidity of supporting leg cross cylinder, and then solves the problem of the moment shake of supporting leg withdrawal, can also reduce the wearing and tearing between piston rod, guide ring, the seal ring simultaneously.
Embodiment two
With reference to Fig. 4, Fig. 4 is the structural representation of the utility model support oriented device second embodiment.
The utility model support oriented device embodiment comprises U-shaped bending plate 55, riser 52 and slide mechanism; Wherein, U-shaped bending plate 55 comprises first support arm 551, base plate 553 and second support arm 552 that is linked in sequence; Riser 52 comprises first end 521 and second end 522; The base plate 553 of U-shaped bending plate 55 is captiveed joint with first end 521 of riser 52; Slide mechanism is connected with second end 522 of riser 52.
In this embodiment, slide mechanism is a chute 60.This chute 60 is connected with second end 522 of riser 52.
That is to say that different with embodiment one is, for realizing that support oriented device slides along the movable supporting legs base plate; Adapting position place at movable supporting legs base plate and this chute 60; Be provided for the strip bulge that cooperates with this chute 60, this strip bulge cooperates with chute 60, forms sliding pair.
When practical implementation the utility model; Need support oriented device be fixed in the cylinder barrel sidewall of cross cylinder, and the cylinder barrel arm is very thin, is inappropriate for directly support oriented device being added and holds to the cylinder barrel arm or through other mode captive joints; Therefore; In the specific implementation, bearing guiding device also need be provided with two adapter plates, i.e. first adapter plate 531 and second adapter plate 532; First adapter plate 531 and second adapter plate 532 all have arcuate surface; First adapter plate 531 be connected with first support arm 551 of U-shaped bending plate 55 (for example, can be bolted connection); Second adapter plate 532 be connected with second support arm 552 of U-shaped bending plate 55 (for example, can be bolted connection).
During use, elder generation is soldered to first adapter plate 531 and second adapter plate 532 sidewall of cylinder barrel and piston rod junction; Then, 55 welding are linked as a welding body with the U-shaped bending plate with riser 52; Through bolt and pad just this welding body be connected with first adapter plate 531, second adapter plate 532.At last, chute 60 is captiveed joint with an end 522 of riser 52.
With respect to prior art, the utility model support oriented device has following advantage:
When the oil cylinder piston bar stretches out, the chute of the utility model support oriented device will slide along the strip bulge on the base plate of movable supporting legs, and oil cylinder is played the support guide effect, and then prevent that the connection location place of cylinder barrel and piston rod from sinking.In other words, the utility model has increased the longitudinal rigidity of supporting leg cross cylinder, and then solves the problem of the moment shake of supporting leg withdrawal, can also reduce the wearing and tearing between piston rod, guide ring, the seal ring simultaneously.
Embodiment three
With reference to Fig. 5, Fig. 5 is the structural representation of the utility model support oriented device the 3rd embodiment.
The utility model support oriented device embodiment comprises U-shaped bending plate 55, riser 52 and slide mechanism; Wherein, U-shaped bending plate 55 comprises first support arm 551, base plate 553 and second support arm 552 that is linked in sequence; Riser 52 comprises first end 521 and second end 522; The base plate 553 of U-shaped bending plate 55 is captiveed joint with first end 521 of riser 52; Slide mechanism is connected with second end 522 of riser 52.
In this embodiment, slide mechanism is a slide block 61.This slide block 61 is connected with second end 522 of riser 52.
That is to say that different with embodiment one and two is, for realizing that support oriented device slides along the movable supporting legs base plate; Adapting position place at movable supporting legs base plate and this slide block 61; Be provided for the bar shaped chute that cooperates with this slide block 61, this bar shaped chute cooperates with slide block 61, forms sliding pair.
When practical implementation the utility model; Need support oriented device be fixed in the cylinder barrel sidewall of cross cylinder, and the cylinder barrel arm is very thin, is inappropriate for directly support oriented device being added and holds to the cylinder barrel arm or through other mode captive joints; Therefore; In the specific implementation, bearing guiding device also need be provided with two adapter plates, i.e. first adapter plate 531 and second adapter plate 532; First adapter plate 531 and second adapter plate 532 all have arcuate surface; First adapter plate 531 be connected with first support arm 551 of U-shaped bending plate 55 (for example, can be bolted connection); Second adapter plate 532 be connected with second support arm 552 of U-shaped bending plate 55 (for example, can be bolted connection).
During use, elder generation is soldered to first adapter plate 531 and second adapter plate 532 sidewall of cylinder barrel and piston rod junction; Then, 55 welding are linked as a welding body with the U-shaped bending plate with riser 52; Through bolt and pad just this welding body be connected with first adapter plate 531, second adapter plate 532.At last, slide block 61 is captiveed joint with an end 522 of riser 52.
With respect to prior art, the utility model support oriented device has following advantage:
When the oil cylinder piston bar stretches out, the slide block of the utility model support oriented device will slide along the bar shaped chute on the base plate of movable supporting legs, and oil cylinder is played the support guide effect, and then prevent that the connection location place of cylinder barrel and piston rod from sinking.In other words, the utility model has increased the longitudinal rigidity of supporting leg cross cylinder, and then solves the problem of the moment shake of supporting leg withdrawal, can also reduce the wearing and tearing between piston rod, guide ring, the seal ring simultaneously.
Second aspect, the utility model also provide a kind of embodiment of cross cylinder.With reference to shown in Figure 6.This cross cylinder comprises the piston rod 6 and cylinder barrel 7 that is connected, and the junction of piston rod 6 and cylinder barrel 7 is provided with top described any support oriented device.Because the structure of support oriented device has been done detailed explanation in embodiment one, embodiment two and embodiment three.The utility model repeats no more at this.
This embodiment increases by a support oriented device at the connection location of cylinder barrel and piston rod; When the oil cylinder piston bar stretches out; The slide mechanism of support oriented device will slide along the base plate of movable supporting legs; Oil cylinder is played the support guide effect, and then prevent that the connection location place of cylinder barrel and piston rod from sinking.In other words, the utility model has increased the longitudinal rigidity of supporting leg cross cylinder, and then solves the problem of the moment shake of supporting leg withdrawal, can also reduce the wearing and tearing between piston rod, guide ring, the seal ring simultaneously.
The third aspect, the utility model also provide a kind of embodiment of leg assembly.With reference to shown in Figure 6.
In this embodiment leg assembly, comprise movable supporting legs 2, cross cylinder 3 and fixed supporting leg case (not shown); The piston rod 6 of cross cylinder 3 is connected with movable supporting legs 2 through cross cylinder pin 1; The cylinder barrel 7 of cross cylinder 3 is connected with the fixed supporting leg case through second bearing pin 4; Junction at piston rod 6 and cylinder barrel 7 is provided with top illustrated support oriented device 5.Because the structure of support oriented device has been done detailed explanation in embodiment one, embodiment two and embodiment three.The utility model repeats no more at this.
Connection location at cylinder barrel 7 and piston rod 6 increases by a support oriented device 5; When the piston rod 6 of oil cylinder stretches out; The slide mechanism of support oriented device 5 will slide along the base plate of movable supporting legs; Cross cylinder 3 is played the support guide effect, and then prevent that the cylinder barrel 7 and the connection location place of piston rod 6 from sinking.In other words, the utility model has increased the longitudinal rigidity of the cross cylinder 3 of supporting leg, and then solves the problem of the moment shake of supporting leg withdrawal, can also reduce the wearing and tearing between piston rod, guide ring, the seal ring simultaneously.
The above is merely the preferred embodiment of the utility model; Not in order to restriction the utility model; All within the spirit and principle of the utility model, any modification of being done, be equal to replacement, improvement etc., all should be included within the protection domain of the utility model.
Claims (7)
1. a support oriented device is characterized in that, comprising:
U-shaped bending plate (55), riser (52) and slide mechanism; Wherein
Said U-shaped bending plate (55) comprises first support arm (551), base plate (553) and second support arm (552) that is linked in sequence;
Said riser (52) comprises first end (521) and second end (522); And
The base plate (553) of said U-shaped bending plate (55) is captiveed joint with first end (521) of said riser (52); Said slide mechanism is connected with second end (522) of said riser (52).
2. want 1 described support oriented device according to right, it is characterized in that,
Said slide mechanism comprises roller (59) and first bearing pin (51);
Said roller (59) is connected with second end (522) of said riser (52) through said first bearing pin (51).
3. want 1 described support oriented device according to right, it is characterized in that,
Said slide mechanism is chute (60) or slide block (61).
4. want 1 to 3 each described support oriented device according to right, it is characterized in that,
Said bearing guiding device also comprises first adapter plate (531) and second adapter plate (532);
Said first adapter plate (531) and second adapter plate (532) all have arcuate surface; And
Said first adapter plate (531) is connected with first support arm (551) of said U-shaped bending plate (55); And
Said second adapter plate (532) is connected with second support arm (552) of said U-shaped bending plate (55).
5. want 4 described support oriented devices according to right, it is characterized in that,
Said first adapter plate (531) is connected through bolt with first support arm (551) of said U-shaped bending plate (55); And
Said second adapter plate (532) is connected through bolt with second support arm (552) of said U-shaped bending plate (55).
6. a cross cylinder comprises the piston rod (6) and the cylinder barrel (7) that are connected, it is characterized in that,
The junction of said piston rod (6) and cylinder barrel (7) is provided with like each described support oriented device among the claim 1-5.
7. leg assembly,
Comprise movable supporting legs (2), cross cylinder (3) and fixed supporting leg case;
The piston rod (6) of said cross cylinder (3) is connected with said movable supporting legs (2) through cross cylinder pin (1);
The cylinder barrel (7) of said cross cylinder (3) is connected with said fixed supporting leg case through second bearing pin (4);
It is characterized in that:
In the junction of said piston rod (6) and cylinder barrel (7), be provided with like each described support oriented device among the claim 1-5.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204267992U CN202369298U (en) | 2011-11-01 | 2011-11-01 | Supporting guide device, horizontal oil cylinder and landing leg assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204267992U CN202369298U (en) | 2011-11-01 | 2011-11-01 | Supporting guide device, horizontal oil cylinder and landing leg assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202369298U true CN202369298U (en) | 2012-08-08 |
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ID=46593011
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011204267992U Expired - Fee Related CN202369298U (en) | 2011-11-01 | 2011-11-01 | Supporting guide device, horizontal oil cylinder and landing leg assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202369298U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104340888A (en) * | 2014-10-28 | 2015-02-11 | 徐州重型机械有限公司 | Supporting leg telescopic oil cylinder guiding device and crane |
| CN106769514A (en) * | 2017-01-13 | 2017-05-31 | 绍兴文理学院 | The multiple dimensioned testing machine transverse direction loading device of rock uniaxiality strength |
| CN111411652A (en) * | 2020-05-13 | 2020-07-14 | 三一重机有限公司 | Supporting mechanism and backhoe loader |
-
2011
- 2011-11-01 CN CN2011204267992U patent/CN202369298U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104340888A (en) * | 2014-10-28 | 2015-02-11 | 徐州重型机械有限公司 | Supporting leg telescopic oil cylinder guiding device and crane |
| CN106769514A (en) * | 2017-01-13 | 2017-05-31 | 绍兴文理学院 | The multiple dimensioned testing machine transverse direction loading device of rock uniaxiality strength |
| CN111411652A (en) * | 2020-05-13 | 2020-07-14 | 三一重机有限公司 | Supporting mechanism and backhoe loader |
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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: 20120808 Termination date: 20141101 |
|
| EXPY | Termination of patent right or utility model |