CN210315725U - Excavator chassis assembly structure with automatic synchronous amplitude variation of dozer blade and underframe - Google Patents
Excavator chassis assembly structure with automatic synchronous amplitude variation of dozer blade and underframe Download PDFInfo
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- CN210315725U CN210315725U CN201921084621.7U CN201921084621U CN210315725U CN 210315725 U CN210315725 U CN 210315725U CN 201921084621 U CN201921084621 U CN 201921084621U CN 210315725 U CN210315725 U CN 210315725U
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Abstract
The utility model discloses an excavator chassis assembly structure with a dozer blade and a chassis capable of automatically and synchronously changing amplitude, wherein the inner side of a middle main frame is of a central control structure and has two through ends, the middle part of the inner side of the middle main frame is provided with a telescopic oil cylinder, the inner side of the middle main frame is provided with two groups of telescopic supporting beams, each group of the telescopic supporting beams is provided with two groups and is arranged in parallel, the end parts of the two groups of the telescopic supporting beams at the two sides are respectively connected with a left telescopic frame and a right telescopic frame, the two ends of the telescopic oil cylinder are respectively connected with the left telescopic frame and the right telescopic frame, the upper end surface of the middle main frame is provided with a reversing valve, the side surface of the middle main frame is provided with the dozer blade support and is movably connected with the dozer blade support, the excavator chassis amplitude changing telescopic operation and the dozer blade amplitude changing telescopic operation can be synchronously carried out, the independent operation of, the maneuverability of the excavator is improved, and the excavator has the function of adaptability to different working environments.
Description
Technical Field
The utility model relates to an excavator technical field, specific excavator chassis assembly structure that dozer blade and chassis automatic synchronization became width of cloth that says so.
Background
An excavator, also called excavating machine, also called excavator, is an earth moving machine which excavates materials above or below a bearing surface by a bucket and loads the materials into a transport vehicle or unloads the materials to a stockyard, the materials excavated by the excavator mainly comprise soil, coal, silt and soil and rock after pre-loosening, from the development of engineering machines in recent years, the development of the excavator is relatively fast, the excavator becomes one of the most important engineering machines in engineering construction, and the excavator has three most important parameters: operating weight (mass), engine power and bucket capacity.
The common width of cloth chassis (also known as scalable chassis or variable track pitch chassis) of excavator product in the existing market, when increasing chassis width increase stability, perhaps when reducing chassis total width and passing through narrow and small space, driver operation guide handle carries out chassis and becomes width and become flexible, but the width of dozer blade becomes width and lack synchronous operation, mostly the driver is got off the car and is carried out the width that multistep manual operation removed accomplish the dozer blade alone and become width, influence operating efficiency, degree of automation is low.
Therefore, the excavator chassis assembly structure is designed, wherein the chassis amplitude and the dozer blade amplitude can be synchronously operated, various operation modes are randomly switched, various operation requirements are met, all amplitude operations can be completed in a cab, operation steps are reduced, and the operation efficiency is improved.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a not enough to prior art, the utility model aims at providing an excavator chassis assembly structure that dozer blade and chassis automatic synchronization become width of cloth can realize that the frame becomes width of cloth and dozer blade becomes width of cloth but synchronous operation, and multiple operating mode switches at will, satisfies various operation demands, can accomplish all the operations that become width of cloth in the driver's cabin, reduces operating procedure, promotes operating efficiency's function.
The utility model provides a technical scheme that its technical problem adopted is: a chassis assembly structure of an excavator with a dozer blade and a chassis capable of automatically and synchronously changing amplitude comprises a main dozer blade, a rotating shaft, a right auxiliary shovel, a telescopic oil cylinder, a right telescopic frame, a middle main frame, a left telescopic frame, telescopic supporting beams, telescopic oil cylinders, a left auxiliary shovel, a dozer blade oil cylinder and reversing valves, wherein the inner side of the middle main frame is of a central control structure, two ends of the middle main frame are communicated, the middle part of the inner side of the middle main frame is provided with the telescopic oil cylinder, two groups of telescopic supporting beams are arranged on the inner side of the middle main frame, the number of each group of telescopic supporting beams is two and are arranged in parallel, the end parts of the two groups of telescopic supporting beams on the two sides are respectively connected with the left telescopic frame and the right telescopic frame, the two ends of the telescopic oil cylinder are respectively connected with the left telescopic frame and the right telescopic frame, the reversing valves are arranged on the upper end surface of the, the side of well body frame is connected with dozer blade hydro-cylinder and the both ends of dozer blade hydro-cylinder respectively through connecting piece and dozer blade support, well body frame swing joint, the end-to-end connection of dozer blade support has main dozer blade, the inboard both ends that mainly pushes away the dozer blade are connected with two cylinders that expand and contract respectively, the output of two cylinders that expand and contract is respectively through rotation axis and the vice shovel in right side, the vice shovel in left side respectively through rotation axis and main dozer blade swing joint, the vice shovel in right side, the vice shovel in left side can be with the main dozer blade combination growth dozer blade and junction smooth transition, the switching-over valve passes through the pipeline and merges flexible hydro-cylinder, two cylinders that expand and contract.
Further, the inboard space of well body frame is separated into three independent space through two baffles, the end of two sets of flexible supporting beam sets up respectively and just distributes side by side in two independent spaces that are located both ends.
Furthermore, the left expansion bracket and the right expansion bracket can be overturned around the direction of the middle main frame in the rotating axial direction, and the distance between the left expansion bracket and the right expansion bracket does not exceed the length range of the main soil pushing shovel after the left expansion bracket and the right expansion bracket are overturned.
The utility model has the advantages that:
1. the utility model discloses an adopt hydraulic pressure oil circuit to merge the hydro-cylinder that will expand and contract with the flexible hydro-cylinder of chassis and be connected, realized that the chassis becomes width of cloth flexible and the dozer blade becomes width of cloth flexible and can go on in step, avoid for becoming width of cloth the operation of getting off separately, reduce the frequent multistep operation of driver's cab, promote operating efficiency's function by a wide margin.
2. The utility model discloses an utilize the switching-over valve to come the merge management of connecting between two hydro-cylinders, realized switching at will before the flexible operation of the change width of cloth of full three kinds of modes, promoted the mobility of excavator, to the function of different operational environment suitability.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a hydraulic schematic diagram of the present invention.
Description of reference numerals: 1-main soil pushing shovel; 2-a rotating shaft; 3-a right auxiliary shovel; 4-stretching and shrinking oil cylinders; 5-right telescopic frame; 6-a middle main frame; 7-a left expansion bracket; 8-a telescopic support beam; 9-a telescopic oil cylinder; 10-left auxiliary shovel; 11-a dozer blade cylinder; 12-a reversing valve.
Detailed Description
The invention will be further described with reference to specific examples, which are intended to be illustrative only and not to limit the scope of the invention. Furthermore, it should be understood that various changes and modifications of the present invention may be made by those skilled in the art after reading the teachings of the present invention, and such equivalents also fall within the scope of the appended claims.
Referring to fig. 1 to 2, which are a schematic structural diagram and a hydraulic schematic diagram of the present invention, the present invention includes a main blade 1, a rotating shaft 2, a right auxiliary blade 3, a telescopic cylinder 4, a right telescopic frame 5, a middle main frame 6, a left telescopic frame 7, telescopic supporting beams 8, a telescopic cylinder 9, a left auxiliary blade 10, a blade cylinder 11, and a reversing valve 12, wherein the inner side of the middle main frame 6 is a central control structure and has two through ends, the middle part of the inner side of the middle main frame 6 is provided with the telescopic cylinder 9, the inner side of the middle main frame 6 is provided with two groups of telescopic supporting beams 8, each group of the telescopic supporting beams 8 is provided with two parallel arrangements, the ends of the two groups of the telescopic supporting beams 8 at two sides are respectively connected with the left telescopic frame 7 and the right telescopic frame 5, the two ends of the telescopic cylinder 9 are respectively connected with the left telescopic frame 7 and the right telescopic frame 5, the upper end surface of the middle main frame 6 is provided with the reversing valve 12, the side of well body frame is connected with dozer cylinder 11 and the both ends of dozer cylinder 11 respectively through connecting piece and dozer support, 6 swing joint of well body frame, the end-to-end connection of dozer support has main dozer 1, main inboard both ends of dozer 1 are connected with two cylinders 4 that expand and contract respectively, the output of two hydro-cylinders 4 that expand and contract is respectively through rotation axis 2 and right auxiliary shovel 3, the vice shovel 10 swing joint in a left side, the vice shovel 3 in a right side, the vice shovel 10 in a left side is respectively through rotation axis 2 and main dozer 1 swing joint, the vice shovel 3 in a right side, the vice shovel 10 in a left side can be with the combination of main dozer 1 growth dozer shovel and junction smooth transition, switching-over valve 12 is with flexible hydro-cylinder 9 through the pipeline, two cylinders 4 amalgamation of expanding and contracting are connected.
The inboard space of well body frame 6 is separated into three independent space through two baffles, and two sets of telescopic supporting beam 8's end sets up respectively in two independent spaces that are located both ends and distributes side by side left expansion bracket 7, right expansion bracket 5 all can not exceed the length scope that the main soil shovel 1 that pushes away to the interval between left expansion bracket 7, the right expansion bracket 5 after turning over and reversing round rotation axis 2 to the direction of well body frame 6.
In the use, when the chassis width needs to be increased, a driver operates the pilot handle, two expansion oil cylinders 4 and two telescopic oil cylinders 9 are simultaneously pushed, the telescopic oil cylinders 9 are stretched, the right telescopic frame 5 is pushed, the left telescopic frame 7 stretches towards the left and right directions, the expansion oil cylinders 4 push the left auxiliary shovel 10 and the right auxiliary shovel 3 swings and opens by virtue of the rotating shaft 2, the synchronous amplitude of the chassis and the width of the soil pushing shovel is realized, the width of a total component is widened, when the chassis width needs to be reduced, the driver operates the pilot handle, the two expansion oil cylinders 4 and the telescopic oil cylinders 9 are simultaneously pushed, the telescopic oil cylinders 9 contract, the right telescopic frame 5 is pulled, the left telescopic frame 7 contracts towards the left and right directions, the expansion oil cylinders 4 push the left auxiliary shovel 10 and the right auxiliary shovel 3 swings and recovers by virtue of the rotating shaft 2, and the synchronous amplitude of the chassis and the width of.
The expansion oil cylinder 4 and the telescopic oil cylinder 9 are connected with a reversing valve 12 through pipelines, the synchronous action of the expansion oil cylinder 4 and the telescopic oil cylinder 9 can be realized through the reversing valve 12, the independent action of the expansion oil cylinder 4 and the independent action of the telescopic oil cylinder 9 can be realized, and therefore three modes, namely the synchronous telescopic amplitude of the chassis dozer blade, the single-action amplitude of the dozer blade and the random switching between the single-action telescopic amplitude of the telescopic chassis can be realized.
The utility model discloses an adopt hydraulic pressure oil circuit to merge the hydro-cylinder 4 that contracts of expanding and contracting and chassis telescopic cylinder 9 and be connected, it becomes flexible to have realized that the chassis becomes width of cloth and can go on in step with the dozer blade becomes width of cloth and stretch out and draw back, avoid getting off the operation separately for becoming width of cloth, reduce the frequent multistep operation of driver's cab, promote operating efficiency's function by a wide margin, through utilizing switching-over valve 12 to merge the management of connecting between two hydro-cylinders, realized switching at will before the flexible operation of the width of cloth of three kinds of modes, the mobility of excavator has been promoted, function to different.
Claims (3)
1. The utility model provides an excavator chassis assembly structure that dozer blade becomes width of cloth with chassis automatic synchronization which characterized in that: including main dozer blade, rotation axis, the vice shovel in the right side, the hydro-cylinder that expands and contracts, right expansion bracket, well body frame, left expansion bracket, flexible supporting beam, flexible hydro-cylinder, the vice shovel in a left side, dozer blade hydro-cylinder, switching-over valve, well body frame inboard is well accuse structure and both ends are penetrating, the inboard middle part of well body frame is provided with flexible hydro-cylinder, well body frame inboard is provided with two sets of flexible supporting beams, the quantity of every group flexible supporting beam is two and parallel arrangement, the tip that two sets of flexible supporting beams are located both sides is connected with left expansion bracket, right expansion bracket respectively, left expansion bracket, right expansion bracket are connected respectively to the both ends of flexible hydro-cylinder, be provided with the switching-over valve on the up end of well body frame, well body frame side be provided with dozer blade support and with dozer blade support swing joint, the side of well body frame is connected with dozer blade hydro-cylinder and the both ends of dozer blade hydro-cylinder respectively, Well body frame swing joint, the end-to-end connection of dozer blade support has main dozer blade, main inboard both ends of dozer blade of pushing away are connected with two cylinders that expand respectively, the output of two cylinders that expand and contract is respectively through rotation axis and the vice shovel in the right side, the vice shovel swing joint in a left side, the vice shovel in the right side, the vice shovel in a left side are respectively through rotation axis and main dozer blade swing joint that pushes away, the vice shovel in the right side, the vice shovel in a left side can be with the main dozer blade combination growth dozer blade and junction smooth transition of pushing away, the switching-over valve passes through the pipeline and merges flexible hydro-cylinder, two cylinders that expand and contract.
2. The excavator chassis assembly structure capable of automatically and synchronously changing amplitude of a dozer blade and an underframe as claimed in claim 1, which is characterized in that: the inboard space of well body frame is separated into three independent space through two baffles, the end of two sets of flexible supporting beam sets up respectively and just distributes side by side in two independent spaces that are located both ends.
3. The excavator chassis assembly structure capable of automatically and synchronously changing amplitude of a dozer blade and an underframe as claimed in claim 1, which is characterized in that: the left telescopic frame and the right telescopic frame can be overturned around the direction of the main frame in the rotating axial direction, and the distance between the left telescopic frame and the right telescopic frame after the left telescopic frame and the right telescopic frame are overturned does not exceed the length range of the main soil pushing shovel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921084621.7U CN210315725U (en) | 2019-07-12 | 2019-07-12 | Excavator chassis assembly structure with automatic synchronous amplitude variation of dozer blade and underframe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921084621.7U CN210315725U (en) | 2019-07-12 | 2019-07-12 | Excavator chassis assembly structure with automatic synchronous amplitude variation of dozer blade and underframe |
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| Publication Number | Publication Date |
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| CN210315725U true CN210315725U (en) | 2020-04-14 |
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| CN201921084621.7U Active CN210315725U (en) | 2019-07-12 | 2019-07-12 | Excavator chassis assembly structure with automatic synchronous amplitude variation of dozer blade and underframe |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110241877A (en) * | 2019-07-12 | 2019-09-17 | 山重建机有限公司 | A kind of chassis of dredging machine assembly structure of dozer and chassis automatic synchronization luffing |
| CN110241877B (en) * | 2019-07-12 | 2024-05-31 | 山重建机有限公司 | Automatic synchronous amplitude-changing chassis assembly structure of bulldozer blade and chassis |
-
2019
- 2019-07-12 CN CN201921084621.7U patent/CN210315725U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110241877A (en) * | 2019-07-12 | 2019-09-17 | 山重建机有限公司 | A kind of chassis of dredging machine assembly structure of dozer and chassis automatic synchronization luffing |
| CN110241877B (en) * | 2019-07-12 | 2024-05-31 | 山重建机有限公司 | Automatic synchronous amplitude-changing chassis assembly structure of bulldozer blade and chassis |
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