CN202899190U - Shovel blade lifting oil cylinder supporting structure and bulldozer - Google Patents
Shovel blade lifting oil cylinder supporting structure and bulldozer Download PDFInfo
- Publication number
- CN202899190U CN202899190U CN 201220601083 CN201220601083U CN202899190U CN 202899190 U CN202899190 U CN 202899190U CN 201220601083 CN201220601083 CN 201220601083 CN 201220601083 U CN201220601083 U CN 201220601083U CN 202899190 U CN202899190 U CN 202899190U
- Authority
- CN
- China
- Prior art keywords
- pair
- oil cylinder
- perching knife
- supporting seat
- lift cylinder
- 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.)
- Expired - Fee Related
Links
Images
Landscapes
- Crushing And Grinding (AREA)
Abstract
The utility model discloses a shovel blade lifting oil cylinder supporting structure and a bulldozer, and belongs to the technical field of bulldozer components. The structure comprises a pair of oil cylinder supporting seats and a pair of fork heads which are connected to the two sides of the upper part of a front hood of the bulldozer, wherein stepped holes are formed in the oil cylinder supporting seats; fork arms of the pair of fork heads stretch into the stepped holes, so that the pair of fork heads is connected with the pair of oil cylinder supporting seats; pin shafts are arranged on cylinder barrels of a pair of shovel blade lifting oil cylinders; connecting structures are arranged at bifurcations of the fork heads; and the pin shafts are connected with the connecting structures, so that the pair of shovel blade lifting oil cylinders is connected with the pair of fork heads. The bulldozer comprises the shovel blade lifting oil cylinder supporting structure. Through the technical scheme, the structure has the advantages that the stress conditions of the front hood and a frame are improved, and the front hood and the frame are prevented from being damaged due to moment; and the structure is high in whole strength and rigidity, simple and convenient to process.
Description
Technical field
The utility model relates to a kind of bulldozer assembly, relates in particular to a kind of perching knife lift cylinder braced structures and bulldozer.
Background technology
The braced structures of existing lifting cylinder of bulldozer blade mostly adopts the bolts assemblies form or adopts the local edge Type of Welding.Adopt the braced structures of bolts assemblies form, the weight of lifting cylinder of bulldozer blade and active force transmit by the several bolts that are assemblied on the front hood fully, requirement of strength to bolt is higher, bolt is easily loosening when working under high-power and complex working condition, this moment, bolt bore larger shearing force, easily cut off risk.Adopt the braced structures of edge Type of Welding, the weight of lifting cylinder of bulldozer blade and the active force edge weld seam that keeps to the side fully is delivered on the front hood, and the butt welded seam requirement of strength is higher, in the long-time use procedure of bulldozer the weld cracking risk can occur.
Above-mentioned dual mode has a common shortcoming on the whole, its loading process all is the equal of a cantilever construction, the weight of perching knife lift cylinder and active force can not effectively be delivered on front hood and the frame with joint efforts, front hood and frame are stressed unreasonable, to exerting an influence in application life of bulldozer.
Summary of the invention
For the problems referred to above that existing lifting cylinder of bulldozer blade braced structures exists, provide first a kind of a kind of perching knife lift cylinder braced structures and bulldozer of stressed unreasonable situation when being intended to improve the perching knife lift cylinder and being connected with front hood.
Concrete technical scheme is as follows:
A kind of perching knife lift cylinder braced structures comprises front hood 1 and a pair of perching knife lift cylinder 2 of bulldozer, wherein, also comprises a pair of oil cylinder supporting seat 3 and a pair of jaw 4 that is connected in both sides, hood 1 top before the described bulldozer;
Described oil cylinder supporting seat 3 is provided with shoulder hole 31, the yoke section 41 of described jaw 4 is provided with the structure with described shoulder hole 31 couplings, a pair of described jaw 4 is connected with a pair of described oil cylinder supporting seat 3 respectively with the form that yoke section 41 stretches into shoulder hole 31, and forms the revolute pair that jaw 4 rotates take yoke section 41 as axle;
The cylinder barrel of a pair of described perching knife lift cylinder 2 is provided with bearing pin 21, the furcation 42 of described jaw 4 is provided with the syndeton with described bearing pin 21 couplings, and a pair of described perching knife lift cylinder 2 is connected with a pair of described jaw 4 respectively with the form that bearing pin 21 connects described syndeton;
Described oil cylinder supporting seat 3 and 41 in described yoke section are provided with the first lubrication system;
Be provided with the second lubrication system between described syndeton and the described bearing pin 21.
Preferably, described the first lubrication system mainly mate sector hole footpath, each hole of described shoulder hole 31 by one group and be sheathed on axle sleeve 51 in described shoulder hole 31 each hole section, outer ring and described shoulder hole 31 opening part apertures coupling inner ring contact with described yoke section 41 described shoulder hole 31 opening parts the position the external diameter coupling sealing ring 52 and be located at that a main oil duct that is formed by screwed hole is also passed through on described oil cylinder supporting seat 3 surfaces and the oil supply component of described shoulder hole 31 UNICOMs forms.
Preferably, described syndeton is mainly formed by a pair of oil cylinder mounting blocks 62 that is connected to by bolt 61 on 42 two of the described furcations, offers the axis hole 63 with described bearing pin 21 couplings on the described oil cylinder mounting blocks 62.
Preferably, described oil supply component mainly forms by being connected in screwed hole on the described oil cylinder supporting seat 3 and the first fuel filler neck 53 on the described oil cylinder supporting seat 3.
Preferably, described the second lubrication system mainly by with described oil cylinder mounting blocks 62 on described the second fuel filler neck 71 of the second fuel filler neck 71 and UNICOM and the oil duct 72 of axis hole 63 form.
Preferably, described oil cylinder supporting seat 3 forms for casting.
Preferably, stating oil cylinder supporting seat 3 is connected with described front hood 1 by welding.
A kind of bulldozer wherein, comprises above-mentioned perching knife lift cylinder braced structures.
The beneficial effect of technique scheme is:
1, oil cylinder supports the both sides that are arranged symmetrically in front hood, so that the lifting cylinder of bulldozer blade active force is more reasonable, can be effectively make a concerted effort to be delivered to the weight of lifting cylinder of bulldozer blade and active force on the frame, the stressing conditions of hood and frame before improving, the destruction of avoiding front hood and frame produced by moment.
2, oil cylinder support and front hood weld together, and bulk strength is high, good rigidly, and is simple in structure, easy to process, can more effective support lift cylinder.
3, jaw can rotate in oil cylinder supports, and can automatically regulate the local swing of the lift cylinder that causes because of the perching knife discontinuity, greatly reduces the deformation effect to front hood and frame generation.
Description of drawings
Fig. 1 be a kind of perching knife lift cylinder of the utility model braced structures embodiment face structural representation;
Fig. 2 is the side-looking structural representation of the embodiment of a kind of perching knife lift cylinder of the utility model braced structures;
Fig. 3 is the decomposition texture schematic diagram of the embodiment of a kind of perching knife lift cylinder of the utility model braced structures;
Fig. 4 is the decomposition texture schematic diagram of syndeton of jaw of the embodiment of a kind of perching knife lift cylinder of the utility model braced structures.
The specific embodiment
The utility model is described in further detail below in conjunction with the drawings and specific embodiments, but not as restriction of the present utility model.
Such as Fig. 1, Fig. 2, Fig. 3 and shown in Figure 4, a kind of perching knife lift cylinder of the utility model braced structures, the front hood 1 and a pair of perching knife lift cylinder 2 that comprise bulldozer wherein, also comprise a pair of oil cylinder supporting seat 3 and a pair of jaw 4 that is connected in the front both sides, hood 1 top of bulldozer; Oil cylinder supporting seat 3 is provided with shoulder hole 31, the yoke section 41 of jaw 4 is provided with the structure with shoulder hole 31 couplings, a pair of jaw 4 is connected with a pair of oil cylinder supporting seat 3 respectively with the form that yoke section 41 stretches into shoulder hole 31, and forms the revolute pair that jaw 4 rotates take yoke section 41 as axle; The cylinder barrel of a pair of perching knife lift cylinder 2 is provided with bearing pin 21, the furcation 42 of jaw 4 is provided with the syndeton with bearing pin 21 couplings, a pair of perching knife lift cylinder 2 is connected with a pair of jaw 4 respectively with the form that bearing pin 21 connects syndeton, and forms the revolute pair that jaw 4 rotates take yoke section 41 as axle; 41 in oil cylinder supporting seat 3 and yoke section are provided with the first lubrication system; Be provided with the second lubrication system between syndeton and the bearing pin 21.
The operating principle of technique scheme is, perching knife lift cylinder 2 is connected with oil cylinder supporting seat 3 by jaw 4, changed perching knife lift cylinder in the prior art directly is connected in front hood with cantilever construction structure, and the stressed of front hood 1 is improved.
On the technique scheme basis, further, the first lubrication system can be mainly by each sector hole footpath, hole of one group of coupling shoulder hole 31 and be sheathed on axle sleeve 51 in shoulder hole 31 each hole section, outer ring and shoulder hole 31 opening part apertures coupling inner ring contact with yoke section 41 shoulder hole 31 opening parts the position the external diameter coupling sealing ring 52 and be located at that a main oil duct that is formed by screwed hole is also passed through on oil cylinder supporting seat 3 surfaces and the oil supply component of shoulder hole 31 UNICOMs forms.The embodiment that provides among Fig. 3 is that shoulder hole 31 is two-part, therefore arrange two with the supporting axle sleeve 51 of an oil cylinder supporting seat 3, axle sleeve 51 forms lubricated rubbing surface between shoulder hole 31 and yoke section 41, and by mainly by the oil supply component that is connected in screwed hole on the oil cylinder supporting seat 3 and the first fuel filler neck 53 on the oil cylinder supporting seat 3 and forms, keep lubricated when making the revolute pair rotation between yoke section 41 and the shoulder hole 31, sealing ring 52 is sheathed on the contact site of the opening part of yoke section 41 and shoulder hole 31, play sealing function, prevent that dust from entering in the first lubrication system.It is to be noted simultaneously, because the 3 inevasible meetings of oil cylinder supporting seat are subject to the downward power by the gravity generation that is connected in the assembly on the jaw 4, therefore, the wearing and tearing that cause because of unbalance stress when jaw 4 rotates in shoulder hole 31 is interior are unavoidable, selection that can be by axle sleeve 51 or the assembly technology of axle sleeve 51 on the contact surface of yoke 41 and axle sleeve 51, then get final product the position limitation of wearing and tearing when wearing up to when affect complete machine work replacing axle sleeve 51 or jaw 4.
On the technique scheme basis, further, syndeton can be mainly be formed by a pair of oil cylinder mounting blocks 62 that is connected to by bolt 61 on 42 two of the furcations, offers the axis hole 63 that mates with bearing pin 21 on the oil cylinder mounting blocks 62.By the way, make perching knife lift cylinder 2 form revolute pair take bearing pin 21 as axle, in order to realize the function of perching knife lift cylinder 2.On this basis, the second lubrication system can be mainly by with oil cylinder mounting blocks 62 on the second fuel filler neck 71 and the oil duct 72 of UNICOM's the second fuel filler neck 71 and axis hole 63 form.By the second lubrication system, can realize lubricating when perching knife lift cylinder 2 rotates take bearing pin 21 as axle.
Especially, for the stressing conditions of hood 1 before further improving, oil cylinder supporting seat 3 can adopt casting to form, and oil cylinder supporting seat 3 can form by welding and front hood 1 whole, and the bulk strength of front hood is improved.
Also comprise a kind of bulldozer among the embodiment of the present utility model, wherein, comprise above-mentioned perching knife lift cylinder braced structures.
The above only is the utility model preferred embodiment; be not so limit embodiment of the present utility model and protection domain; to those skilled in the art; should recognize that being equal to that all utilization the utility model manuals and diagramatic content done replace and the resulting scheme of apparent variation, all should be included in the protection domain of the present utility model.
Claims (8)
1. perching knife lift cylinder braced structures, the front hood (1) and a pair of perching knife lift cylinder (2) that comprise bulldozer, it is characterized in that, also comprise a pair of oil cylinder supporting seat (3) and a pair of jaw (4) that is connected in front hood (1) both sides, top of described bulldozer;
Described oil cylinder supporting seat (3) is provided with shoulder hole (31), the yoke section (41) of described jaw (4) is provided with the structure with described shoulder hole (31) coupling, a pair of described jaw (4) is connected with a pair of described oil cylinder supporting seat (3) respectively with the form that yoke section (41) stretches into shoulder hole (31), and forms the revolute pair that jaw (4) rotates take yoke section (41) as axle;
The cylinder barrel of a pair of described perching knife lift cylinder (2) is provided with bearing pin (21), the furcation (42) of described jaw (4) is provided with the syndeton with described bearing pin (21) coupling, and a pair of described perching knife lift cylinder (2) is connected with a pair of described jaw (4) respectively with the form that bearing pin (21) connects described syndeton;
Be provided with the first lubrication system between described oil cylinder supporting seat (3) and described yoke section (41);
Be provided with the second lubrication system between described syndeton and the described bearing pin (21).
2. perching knife lift cylinder braced structures as claimed in claim 1, it is characterized in that described the first lubrication system mainly mates each sector hole footpath, hole of described shoulder hole (31) and is sheathed on the interior axle sleeve (51) of each hole section of described shoulder hole (31) by one group, outer ring and described shoulder hole (31) opening part aperture coupling inner ring contact with described yoke section (41) described shoulder hole (31) opening part the position the external diameter coupling sealing ring (52) and be located at described oil cylinder supporting seat (3) surface and form by a main oil duct that is formed by screwed hole and the oil supply component of described shoulder hole (31) UNICOM.
3. perching knife lift cylinder braced structures as claimed in claim 1, it is characterized in that, described syndeton is mainly formed by a pair of oil cylinder mounting blocks (62) that is connected to by bolt (61) on (42) two of the described furcations, offers the axis hole (63) with described bearing pin (21) coupling on the described oil cylinder mounting blocks (62).
4. perching knife lift cylinder braced structures as claimed in claim 2 is characterized in that, described oil supply component mainly forms by being connected in screwed hole on the described oil cylinder supporting seat (3) and the first fuel filler neck (53) on the described oil cylinder supporting seat (3).
5. perching knife lift cylinder braced structures as claimed in claim 3, it is characterized in that, described the second lubrication system mainly by with described oil cylinder mounting blocks (62) on the second fuel filler neck (71) and the oil duct (72) of described the second fuel filler neck of UNICOM (71) and axis hole (63) form.
6. such as perching knife lift cylinder braced structures as described in arbitrary among the claim 1-5, it is characterized in that described oil cylinder supporting seat (3) forms for casting.
7. perching knife lift cylinder braced structures as claimed in claim 6 is characterized in that, described oil cylinder supporting seat (3) is connected with described front hood (1) by welding.
8. a bulldozer is characterized in that, comprises such as perching knife lift cylinder braced structures as described in arbitrary among the claim 1-7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220601083 CN202899190U (en) | 2012-11-14 | 2012-11-14 | Shovel blade lifting oil cylinder supporting structure and bulldozer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220601083 CN202899190U (en) | 2012-11-14 | 2012-11-14 | Shovel blade lifting oil cylinder supporting structure and bulldozer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202899190U true CN202899190U (en) | 2013-04-24 |
Family
ID=48119878
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220601083 Expired - Fee Related CN202899190U (en) | 2012-11-14 | 2012-11-14 | Shovel blade lifting oil cylinder supporting structure and bulldozer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202899190U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112960302A (en) * | 2021-01-29 | 2021-06-15 | 福建龙马环卫装备股份有限公司 | Pin shaft installation method of shear-reducing push plate oil cylinder seat |
-
2012
- 2012-11-14 CN CN 201220601083 patent/CN202899190U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112960302A (en) * | 2021-01-29 | 2021-06-15 | 福建龙马环卫装备股份有限公司 | Pin shaft installation method of shear-reducing push plate oil cylinder seat |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202175968U (en) | Enhanced excavator movable arm | |
| CN203430518U (en) | Excavating, crushing and transshipping combined coal mining unit of full hydraulic bucket wheel | |
| CN202899190U (en) | Shovel blade lifting oil cylinder supporting structure and bulldozer | |
| CN202175967U (en) | Enhanced type bucket rod of excavator | |
| CN201778347U (en) | Hydraulic crab bucket connector | |
| CN201461201U (en) | Control ring lug connection structure of water turbine | |
| CN202090613U (en) | Elastic connecting device for central pump system and concrete pump car | |
| CN205674797U (en) | The traction apparatus of disk type tractor | |
| CN202879600U (en) | Novel lower hinging structure of front frame and rear frame | |
| CN202831039U (en) | Excavator reinforced connecting rod | |
| CN204300303U (en) | Engineering machinery chassis casting drives seat | |
| CN201857623U (en) | Connecting structure of push rod and trunnion of earthmover | |
| CN203412011U (en) | Excavator bucket rod and bucket gas adjustment structure | |
| CN202175094U (en) | Steering knuckle arm assembly of large-sized mine self-discharging wagon | |
| CN205776438U (en) | Novel swing bucket | |
| CN206591560U (en) | Energy-saving mechanical coordinated type Zhua Cha mechanisms | |
| CN220284916U (en) | Double-cylinder swing mechanical quick connector | |
| CN204775434U (en) | Turn to traction system and tractor | |
| CN203496613U (en) | Transverse connecting plate balance shaft assembly | |
| CN219013158U (en) | Scraper hinge structure | |
| CN204386600U (en) | A kind of boom-type roadheader special turntable | |
| CN203924157U (en) | A kind of loader box type rocking arm | |
| CN103422861A (en) | Full-hydraulic bucket-wheel excavation, crushing and transshipment combined coal mining unit | |
| CN220580072U (en) | Swing arm for reinforced excavator | |
| CN210912654U (en) | Tractor saddle fixing structure |
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: 20130424 Termination date: 20151114 |
|
| EXPY | Termination of patent right or utility model |