CN103967423B - Oil cylinder seat, telescopic underpan and engineering machinery - Google Patents
Oil cylinder seat, telescopic underpan and engineering machinery Download PDFInfo
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- CN103967423B CN103967423B CN201410205329.1A CN201410205329A CN103967423B CN 103967423 B CN103967423 B CN 103967423B CN 201410205329 A CN201410205329 A CN 201410205329A CN 103967423 B CN103967423 B CN 103967423B
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- oil cylinder
- walker
- seat
- cylinder seat
- outer support
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Abstract
The invention discloses a kind of oil cylinder seat, telescopic underpan and engineering machinery. This oil cylinder seat is for connecting the driving oil cylinder of telescopic underpan, telescopic underpan comprises main car frame and walker, drive oil cylinder to be connected between main car frame and walker, oil cylinder seat comprises: be fixedly installed on the outer support on walker, outer support has two spaced ear seats, and the spacing of ear seat is greater than the external diameter that drives oil cylinder; Interior bearing, has two spaced back-up blocks, and interior bearing is removably connected in by back-up block on the ear seat of outer support; For connecting the bearing pin of the piston rod that drives oil cylinder, bearing pin is dismountable to be set up on interior bearing. Adopt oil cylinder seat of the present invention to connect and drive oil cylinder, only need offer the oil har opening of crossing that allows to drive suitable size that oil cylinder passes through, can realize from the dismounting of walker outside and drive oil cylinder, therefore facilitated the detachable maintaining that drives oil cylinder, improve and driven the detachable maintaining efficiency of oil cylinder, and effectively ensured the intensity of walker.
Description
Technical field
The present invention relates to engineering machinery field, particularly a kind of oil cylinder seat, be provided with the flexible of this oil cylinder seatFormula chassis and be provided with the engineering machinery of this telescopic underpan.
Background technology
The stability of complete machine while work in order to ensure rotary drilling rig, the chassis of existing rotary drilling rig adopts horizontal stroke moreTo the adjustable flexible form of span, telescopic underpan can be realized by various structures. This is comprising falling to insertFormula structure, it refers to that the chassis structure of rotary drilling rig adopts walker supporting leg to insert the form in main car frame square hole,Contrast traditional fixed H shape vehicle frame, the main advantage of this structure is that walker can protrudingly launch,Make base plate of rotary drill rig obtain larger horizontal span, thereby high job stability is provided.
Base plate of rotary drill rig is flexible is to realize by hydraulic jack, and the method for arranging of hydraulic jack can be divided into twoKind, be arranged in supporting leg inside or be arranged in supporting leg outside. Due to inverted plug type chassis, if by liquidCompressing cylinder is placed in supporting leg inside, can not be with reference to four oil cylinder method for arranging of H shape vehicle frame, and can only arrange twoIndividual, this just has higher requirement to oil cylinder, and the fluid pressure line of arranging so in addition need to be in walkerPortion's cabling, also more complicated.
If oil cylinder is placed in to supporting leg outside, need to open oil har opening at main car frame and walker side plate, makeBe welded and fixed in formula oil cylinder seat situation with existing, in order, from walker outside dismounting oil cylinder, to make perforateExcessive, thereby can cause frame strength greatly to weaken, affect service life, and increased potential safety hazard; IfCan not, from walker outside dismounting oil cylinder, in the time that oil cylinder damages, change with regard to dismantling vehicle frame, maintenance is difficultDegree significantly increases.
Therefore, need badly and propose a kind of new structure, when oil cylinder is connected with walker, can facilitate oil cylinderFrom the dismounting of walker outside, again can not can cause frame strength greatly to weaken.
Summary of the invention
In view of this, the present invention proposes a kind of oil cylinder seat, drives oil cylinder to be connected to chassis by this oil cylinder seatWalker, is convenient to drive oil cylinder from the dismounting of walker outside, and without offer excessive mistake on walkerOil har opening, can not cause frame strength significantly to weaken.
To achieve these goals, the technical solution used in the present invention is that this oil cylinder seat is used for connecting telescopicThe driving oil cylinder on chassis, described telescopic underpan comprises main car frame and walker, described driving oil cylinder is connected inBetween described main car frame and described walker, described oil cylinder seat comprises:
Be fixedly installed on the outer support on described walker, described outer support has two spaced ear seats,And the spacing of described ear seat is greater than the external diameter of described driving oil cylinder;
Interior bearing, has two spaced back-up blocks, and described interior bearing is detachable by described back-up blockBe connected on the described ear seat of described outer support;
For connecting the bearing pin of piston rod of described driving oil cylinder, described bearing pin is dismountable be installed on described inOn bearing.
Further, outer support also has the first base plate, and described ear seat is arranged on described the first base plate, instituteStating the first base plate is fixedly installed on described walker.
Further, on described ear seat, offer groove, the bottom of described back-up block is stepped, describedThe Outboard Sections of bracer is connected in described groove.
Further, described interior bearing has the second base plate, and the inner side part of described back-up block is fixedly attached toOn described the second base plate.
Further, described interior bearing also has reinforcement gusset, and described reinforcement gusset is connected to described back-up blockBoth sides, and be fixedly installed on described the second base plate.
Further, described back-up block has U-shaped groove, and described bearing pin is arranged in described U-shaped groove;
Described oil cylinder seat also comprises pressing plate, and described platen cover is located on described U-shaped groove, and described pressing plate withDescribed ear seat connects.
Further, described oil cylinder seat also comprises for the perpendicular baffle plate spacing to the end of described bearing pin, described inThe upper end of perpendicular baffle plate is connected with described pressing plate.
Further, described pressing plate and described perpendicular baffle plate are one-body molded.
On the other hand, the present invention also provides a kind of telescopic underpan, and this telescopic underpan comprises main car frame and establishesPut the walker in described main car frame both sides, between described main car frame and described walker, be provided with described in drivingThe driving oil cylinder that walker is flexible, is provided with the oil cylinder seat described in as above any one, institute on described walkerState and drive one end of oil cylinder to be connected with described walker by described oil cylinder seat.
Another aspect, the present invention also provides a kind of engineering machinery, and it is provided with above-mentioned telescopic underpan.
Compared to existing technology, drive the connected mode of oil cylinder, in telescopic underpan of the present invention, drive oil cylinderBe connected to walker by oil cylinder seat of the present invention, thereby without offer the excessive oil cylinder of crossing on this walkerHole, only need offer the oil har opening of crossing that allows to drive suitable size that oil cylinder passes through, can realize from walkingThe dismounting of frame outside drives oil cylinder, has therefore facilitated the detachable maintaining that drives oil cylinder, has improved and has driven tearing open of oil cylinderUnload maintenance efficiency, and effectively ensured the intensity of walker.
Engineering machinery of the present invention is provided with above-mentioned telescopic underpan and oil cylinder seat, therefore has identical technologyEffect, repeats no more.
Brief description of the drawings
The accompanying drawing that forms a part of the present invention is used to provide a further understanding of the present invention, of the present invention showingMeaning property embodiment and explanation thereof are used for explaining the present invention, do not form inappropriate limitation of the present invention. At accompanying drawingIn:
The structural representation of a kind of telescopic underpan that Fig. 1 provides for the embodiment of the present invention;
The structure exploded perspective view of a kind of oil cylinder seat that Fig. 2 provides for the embodiment of the present invention.
Description of reference numerals
10-main car frame; 20-walker; 30-oil cylinder seat; 31-outer support; 311-the first base plate; 312-ear seat;Bearing in 32-; 321-the second base plate; 322-back-up block; 323-strengthens gusset; 33-pressing plate; 34-erects baffle plate;35-bearing pin; 36-bolt; 37-lock washer.
Detailed description of the invention
It should be noted that, in the situation that not conflicting, the feature in embodiment and embodiment in the present inventionCan mutually combine. Describe below with reference to the accompanying drawings and in conjunction with the embodiments the present invention in detail.
The structural representation of a kind of telescopic underpan that Fig. 1 provides for the embodiment of the present invention; Fig. 2 is the present inventionThe structure exploded perspective view of a kind of oil cylinder seat that embodiment provides.
In prior art, on the walker of base plate of rotary drill rig, connect and drive when oil cylinder, can face orPerson's oil cylinder cannot be from the dismounting of walker outside or the double-barreled question that causes walker intensity significantly to weaken, thisBright embodiment provides a kind of cylinder protection device; And a kind of telescopic underpan is correspondingly provided, it is provided withThis cylinder protection device; And provide further a kind of engineering machinery that is provided with this telescopic underpan. In conjunction withAccompanying drawing, for ease of describing, introduces technical scheme of the present invention as an example of telescopic underpan example herein in detail.
As shown in Figure 1, telescopic underpan provided by the invention comprises main car frame 10 and walker 20, walkingFrame 20 can transversal stretching by supporting leg the both sides that are connected in main car frame 10, main car frame 10 and walker 20Between be provided with and drive walker 20 flexible driving oil cylinder 40. Drive oil cylinder 40 by provided by the inventionOil cylinder seat 30 is connected with walker 20. On telescopic underpan in this embodiment, be provided with four and drive oil cylinder40, each driving oil cylinder 40 correspondences are provided with a set of oil cylinder seat 30.
Shown in Fig. 2, this oil cylinder seat 30 comprises outer support 31, interior bearing 32 and drives oil for being connectedThe bearing pin 35 of cylinder 40, wherein, outer support 31 is fixedly installed on walker 20, and interior bearing 32 is detachableBe connected on outer support 31, bearing pin 35 is removably mounted on interior bearing 32.
Particularly, to have the spacing of 312, two ear seats 312 of two spaced ear seats large for outer support 31In driving the external diameter of oil cylinder 40, while making to drive oil cylinder 40 from outside dismounting, make them can be from two ear seatsBetween 312, pass. Outer support 31 also has 311, two ear seats 312 of the first base plate and is arranged on this first endOn plate 311, make the globality of outer support 31 stronger, and then the first base plate 311 is fixedly installed on walkerOn 20, make the more firm stable that is connected of outer support 31 and walker. Ear seat 312 and the first base plate 311Between can weld, also can integrally casting moulding, or adopt other connected modes; The first base plate 311And be preferably and be welded and fixed between walker 20.
Interior bearing 32 has two spaced back-up blocks 322, and interior bearing 32 is by these two back-up blocks322 are removably connected on the ear seat 312 of outer support 31. Particularly, as shown in Figure 2, ear seat 312On offer groove; It is stepped that the bottom of back-up block 322 becomes, and the Outboard Sections of back-up block 322 at least(outside herein refers to the side away from interior bearing 32 or oil cylinder seat 30 centers of back-up block 322; Thus,Inner side refers to its side near interior bearing 32 or oil cylinder seat 30 centers; Below also explain with reference to this) and earGroove fit clamping on seat 312, both profile corresponding matching, groove can be U-shaped groove. As outsideThe structure of bearing 31, this interior bearing 32 has the second base plate 321, the inner side partial fixing of back-up block 322Be connected on this second base plate 321, make interior bearing 32 globalities stronger.
It should be noted that, as shown in Figure 2, the bottom of this back-up block 322 is stepped, makes outside portionPoint form a breach outwardly with inside portion between dividing, at the bottom of this is ear seat 312 grooves of consideration outer support 30The thickness of portion, makes back-up block 322 can better coordinate clamping with ear seat 312; In other embodiment, alsoCan be to modify herein, as long as it is dismountable with 312 the two formation of ear seat to realize back-up block 322Clamping coordinates, and the present invention is not construed as limiting this.
The back-up block 322 of this interior bearing 32 has U-shaped groove, and the two ends of bearing pin 35 are arranged in U-shaped groove,U-shaped groove structure is convenient processes, and is convenient to the installing/dismounting of bearing pin 35. Further, this oil cylinder seat 30Also comprise pressing plate 33, as shown in Figure 2, this pressing plate 33 is preferably T-shaped plate, and this pressing plate 33 is covered on supportOn the U-shaped groove of piece 322, to bearing pin 35 is limited in U-shaped groove, meanwhile, this pressing plate 33 is also with outwardThe ear seat 312 of bearing 31 connects, thereby pressing plate 33 can also limit the motion of interior bearing 32, avoids in workIn in process there is play and cause mechanical breakdown or accident in bearing 32.
Correspondingly, this oil cylinder seat 30 also comprises for the perpendicular baffle plate 34 spacing to the end of bearing pin 35, andThe upper end of perpendicular baffle plate 34 is connected with pressing plate 33. In conjunction with reference to figure 1, in the present embodiment, two back-up blocks 322Top is respectively covered with a pressing plate 33, and bearing pin 35 is erected in the U-shaped groove of two back-up blocks 322, is positioned atBearing pin part between two back-up blocks 322 is used for and drives the piston rod head of oil cylinder 40 hinged; Two pressing plates33 are respectively connected with perpendicular 34, two perpendicular baffle plates 34 of baffle plate is placed in the two ends of bearing pin 35 for to bearing pin 35End, two ends spacing, by this perpendicular baffle plate 34 is set, can prevent that bearing pin 35 from moving along its axis, and avoidsThe bearing pin 35 interior bearing 32 of scurrying out. Preferably, as shown in Figure 2, this perpendicular baffle plate 34 is positioned at back-up block 322U-shaped groove, and preferably there is the U-shaped profile mating with U-shaped groove. Certainly, in other embodiments, also canOnly to connect perpendicular baffle plate 34 on a pressing plate 33, this perpendicular baffle plate 34 is spacing to one end of bearing pin 35; SeparatelyPerpendicular baffle plate 34 can be set on a pressing plate 33, and now, the other end of bearing pin 35 for example can be by supportingStep in the U-shaped groove of piece 322 is spacing.
It should be noted that, pressing plate 33 can adopt bolt 36 to be connected with ear seat 312, as shown in Figure 2,Ear seat 312 upper surfaces start screwed hole, the corresponding through hole of offering in outside of T-shaped pressing plate 33, and bolt 36 passesThe through hole of pressing plate 33 screws in to the screwed hole of ear seat 312, and is preferably provided with between bolt 36 and pressing plate 33Lock washer 37. In addition, between pressing plate 33 and perpendicular baffle plate 34, can adopt and be welded to connect, also can oneMoulding, or adopt other forms to connect.
Further, this interior bearing 32 also has the gusset 323 of reinforcement, and reinforcement gusset 323 correspondences are connected to props upThe both sides of bracer 322, and be fixedly installed on the second base plate 321, for strengthening the stressed property of interior bearing 32Energy.
Telescopic underpan in this embodiment adopts this oil cylinder seat to connect and drives oil cylinder, in the time of detachable maintaining, and headFirst unclamp bolt 36 and take off pressing plate 33 and perpendicular baffle plate 34; Then the work from driving oil cylinder 40 by bearing pin 35In stopper rod head, be withdrawn into the interior rear bearing pin 35 that takes out of U-shaped groove of the back-up block 322 of a side; Then will drive oil cylinder40 piston rods push away to exit the scope of interior bearing 32 to main car frame direction, so that bearing 32 in taking out; FinallyUnclamp the other end that drives oil cylinder 40 and main car frame fixing, can will drive oil cylinder 40 from walker 20The outer level pull-out of side direction. On this telescopic underpan, install while driving oil cylinder, operating procedure and demounting procedure are suitableOrder on the contrary.
Compare the connected mode that drives oil cylinder in existing telescopic underpan, in telescopic underpan of the present invention,Drive oil cylinder 40 to be connected to walker 20 by above-mentioned oil cylinder seat 30, thereby without at this walker 20On offer the excessive oil har opening of crossing, only need offer the oil cylinder of crossing that allows to drive suitable size that oil cylinder 40 passes throughHole, can realize from walker 20 outside dismountings and drive oil cylinder 40, drives tearing open of oil cylinder thereby facilitatedUnload maintenance, improved detachable maintaining efficiency, and effectively ensured the intensity of walker.
Correspondingly, the embodiment of the present invention also provides a kind of engineering machinery, and it is provided with above-mentioned telescopic underpan.Telescopic underpan is provided with above-mentioned oil cylinder seat, and therefore, this project machinery has above-mentioned beneficial effect equally, noRepeat again. This project machinery can be rotary drilling rig, can be also other engineerings that telescopic underpan can be setMachinery, as excavator etc.
The foregoing is only preferred embodiment of the present invention, in order to limit the present invention, not all at thisWithin bright spirit and principle, any amendment of doing, be equal to replacement, improvement etc., all should be included in thisWithin bright protection domain.
Claims (9)
1. an oil cylinder seat, for connecting the driving oil cylinder of telescopic underpan, described telescopic underpan comprises masterVehicle frame (10) and walker (20), described driving oil cylinder is connected in described main car frame (10) and described walkingBetween frame (20), it is characterized in that, described oil cylinder seat (30) comprising:
Be fixedly installed on the outer support (31) on described walker (20), described outer support (31) has twoIndividual spaced ear seat (312), and the spacing of described ear seat (312) is greater than the external diameter of described driving oil cylinder;
Interior bearing (32), has two spaced back-up blocks (322), and described interior bearing (32) passes throughDescribed back-up block (322) is removably connected on the described ear seat (312) of described outer support (31);
Be used for the bearing pin (35) of the piston rod that connects described driving oil cylinder, the dismountable peace of described bearing pin (35)Be loaded on described interior bearing (32);
On described ear seat (312), offer groove, the bottom of described back-up block (322) is stepped, instituteThe Outboard Sections of stating back-up block (322) is connected in described groove.
2. oil cylinder seat according to claim 1, is characterized in that, outer support (31) also has firstBase plate (311), it is upper that described ear seat (312) is arranged on described the first base plate (311), described the first base plate(311) be fixedly installed on described walker (20).
3. oil cylinder seat according to claim 1, is characterized in that, described interior bearing (32) hasTwo base plates (321), the inner side part of described back-up block (322) is fixedly attached to described the second base plate (321)On.
4. oil cylinder seat according to claim 3, is characterized in that, described interior bearing (32) also hasStrengthen gusset (323), described reinforcement gusset (323) is connected to described back-up block (322) both sides, and solidSurely be arranged on described the second base plate (321).
5. oil cylinder seat according to claim 1, is characterized in that, described back-up block (322) hasU-shaped groove, described bearing pin (35) is arranged in described U-shaped groove;
Described oil cylinder seat (30) also comprises pressing plate (33), and described pressing plate (33) is covered on described U-shaped grooveUpper, and described pressing plate (33) is connected with described ear seat (312).
6. oil cylinder seat according to claim 5, is characterized in that, described oil cylinder seat (30) also comprisesFor the perpendicular baffle plate (34) spacing to the end of described bearing pin (35), the upper end of described perpendicular baffle plate (34) withDescribed pressing plate (33) connects.
7. oil cylinder seat according to claim 6, is characterized in that, described pressing plate (33) is with described perpendicularBaffle plate (34) is one-body molded.
8. a telescopic underpan, comprises main car frame (10) and is arranged on described main car frame (10) both sidesWalker (20), is provided with between described main car frame (10) and described walker (20) and drives described walkingThe driving oil cylinder that frame (20) is flexible, is characterized in that, on described walker (20), be provided with as right wantAsk the oil cylinder seat described in any one (30) in 1-7, one end of described driving oil cylinder is by described oil cylinder seat (30)Be connected with described walker (20).
9. an engineering machinery, is characterized in that, is provided with telescopic underpan as claimed in claim 8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410205329.1A CN103967423B (en) | 2014-05-15 | 2014-05-15 | Oil cylinder seat, telescopic underpan and engineering machinery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410205329.1A CN103967423B (en) | 2014-05-15 | 2014-05-15 | Oil cylinder seat, telescopic underpan and engineering machinery |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103967423A CN103967423A (en) | 2014-08-06 |
| CN103967423B true CN103967423B (en) | 2016-05-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410205329.1A Expired - Fee Related CN103967423B (en) | 2014-05-15 | 2014-05-15 | Oil cylinder seat, telescopic underpan and engineering machinery |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104879345A (en) * | 2015-06-02 | 2015-09-02 | 无锡阳工机械制造有限公司 | Supporting seat for hydraulic cylinder |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201472503U (en) * | 2009-09-03 | 2010-05-19 | 河南省三力机械制造有限公司 | Crawler-type telescopic chassis and engineering vehicle thereof |
| CN101723003A (en) * | 2008-10-23 | 2010-06-09 | 徐州重型机械有限公司 | Caterpillar engineering machine |
| CN101832104A (en) * | 2010-05-21 | 2010-09-15 | 三一重机有限公司 | Retractable chassis structure for rotary drill |
| CN202370933U (en) * | 2011-11-03 | 2012-08-08 | 北京市三一重机有限公司 | Hydraulic cylinder seat assembly, hydraulic cylinder seat and hydraulic cylinder seat cover |
| CN103373403A (en) * | 2013-06-24 | 2013-10-30 | 三一重机有限公司 | Travelling frame, travelling device and engineering machinery |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1029570A (en) * | 1996-07-17 | 1998-02-03 | Kinki Ishiko Kk | Track width changeover device for self-advancing vehicle body |
-
2014
- 2014-05-15 CN CN201410205329.1A patent/CN103967423B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101723003A (en) * | 2008-10-23 | 2010-06-09 | 徐州重型机械有限公司 | Caterpillar engineering machine |
| CN201472503U (en) * | 2009-09-03 | 2010-05-19 | 河南省三力机械制造有限公司 | Crawler-type telescopic chassis and engineering vehicle thereof |
| CN101832104A (en) * | 2010-05-21 | 2010-09-15 | 三一重机有限公司 | Retractable chassis structure for rotary drill |
| CN202370933U (en) * | 2011-11-03 | 2012-08-08 | 北京市三一重机有限公司 | Hydraulic cylinder seat assembly, hydraulic cylinder seat and hydraulic cylinder seat cover |
| CN103373403A (en) * | 2013-06-24 | 2013-10-30 | 三一重机有限公司 | Travelling frame, travelling device and engineering machinery |
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| Publication number | Publication date |
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| CN103967423A (en) | 2014-08-06 |
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Granted publication date: 20160511 Termination date: 20170515 |