CN201362866Y - Protective shield for pipelines of excavator - Google Patents
Protective shield for pipelines of excavator Download PDFInfo
- Publication number
- CN201362866Y CN201362866Y CNU2009200375948U CN200920037594U CN201362866Y CN 201362866 Y CN201362866 Y CN 201362866Y CN U2009200375948 U CNU2009200375948 U CN U2009200375948U CN 200920037594 U CN200920037594 U CN 200920037594U CN 201362866 Y CN201362866 Y CN 201362866Y
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- CN
- China
- Prior art keywords
- guard shield
- bolt hole
- excavator
- vehicle frame
- protective shield
- 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
- 230000001681 protective effect Effects 0.000 title claims abstract description 25
- 239000012530 fluid Substances 0.000 description 11
- NMFHJNAPXOMSRX-PUPDPRJKSA-N [(1r)-3-(3,4-dimethoxyphenyl)-1-[3-(2-morpholin-4-ylethoxy)phenyl]propyl] (2s)-1-[(2s)-2-(3,4,5-trimethoxyphenyl)butanoyl]piperidine-2-carboxylate Chemical compound C([C@@H](OC(=O)[C@@H]1CCCCN1C(=O)[C@@H](CC)C=1C=C(OC)C(OC)=C(OC)C=1)C=1C=C(OCCN2CCOCC2)C=CC=1)CC1=CC=C(OC)C(OC)=C1 NMFHJNAPXOMSRX-PUPDPRJKSA-N 0.000 description 5
- 238000009434 installation Methods 0.000 description 5
- 230000000875 corresponding effect Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000008602 contraction Effects 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000005267 amalgamation Methods 0.000 description 1
- 238000009412 basement excavation Methods 0.000 description 1
- 230000002596 correlated effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Images
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- Excavating Of Shafts Or Tunnels (AREA)
Abstract
The utility model discloses a protective shield for pipelines of an excavator, which comprises a pair of bodies which are bilaterally symmetrical, and is characterized in that each body adopts a three-section separated structure; a first protective shield, a second protective shield and a third guard shield are inwardly arranged in a walking frame in sequence; the bodies are fixedly connected with the corresponding frame through bolts; a first bolt hole on the first protective shield is matched with a second bolt hole on the second bolt hole in the horizontal position; and the distance between the first bolt hole and the second bolt hole is matched with the distance of the walking frame contracted inwardly. Through the arrangement of the three-section separated structure of the protective shield for the pipelines, a corresponding proective shield for the pipelines is formed by splicing the inwardly moved first protective shield and the third protective shield after the second protective shield is dismounted, so that when the frame of the excavator is contracted or expanded, a hydraulic pipeline at the periphery of the frame can be protected safely, the damage caused by exposing the pipelines is avoided, and the normal use of the excavator is ensured.
Description
Technical field
The utility model relates to a kind of excavator, is specifically related to the protective cover of fluid pressure line on a kind of excavator driving frame, mainly applies on the large-scale digging machine.
Background technology
Excavator is one of capital equipment of engineering machinery, and its main purpose is a digging material and forward the emptying point to from the face of land, forwards new excavation site after the discharging again to, repeats, and general mainly is made up of equipment, slewing equipment and running gear.Wherein, equipment is the device that excavator is directly finished mining task, and three parts are hinged forms by swing arm, dipper, scraper bowl etc., and slewing equipment and running gear are the bodies of hydraulic crawler excavator, equipment is transferred on slewing equipment, and slewing equipment is fixed on the underframe of running gear.Excavator can be installed the different annexes special equipments such as different operations, its modified product such as steel grasping machine, dismounting machine of being correlated with simultaneously.
According to the tonnage difference of excavator, can be divided into 10 tons with interior digging for a short time, 10～20 tons medium and small digging dug in 20～30 tons, and digging greatly more than 30 tons.In general the rack section in the running gear of large-scale digging machine adopts split-type structural, especially the digging machine more than 36 tons, so-called split-type structural is meant that the traveling vehicle frame of both sides being installed by traveling crawler is split type the connection with middle main car frame (crossbeam), is connected with bolton between main car frame and the traveling vehicle frame.In order to guarantee the stability of car body, the width of running gear is bigger, when transportation, need be with the distance between the traveling vehicle frame of the left and right sides suitable minimizing, so that car load is left transport vehicle, so just need not take parts apart and transport respectively, be convenient to the transfer of digging machine between difference behaviour industry ground; Whole Transporting can not influence the work capacity of digging machine simultaneously, but descends to some extent with the more stable property of deployed condition, therefore in normal operation, also needs left and right sides traveling vehicle frame is launched, and guarantees behaviour's industry safety.
In body frame structure for automotive, for driving crawler belt in the traveling vehicle frame etc., there are many fluid pressure lines in vehicle frame one side, be not damaged for protecting these fluid pressure lines, generally all can dispose the pillar cover.The pillar cover that adopts mostly is fixed pillar cover at present; promptly install the pillar cover in working order the time; pipeline is protected; during travel position; because the minimizing of traveling vehicle frame spacing; need remove original pillar cover (or removing part pillar cover); this moment, fluid pressure line will be exposed (perhaps the part is exposed to outside the pillar cover); lose protection (maybe can not form protection fully) to pipeline to pipeline; pipeline exposes; in the transportation or the process of operation, damage easily, thereby influenced the operate as normal of excavator.
Summary of the invention
The utility model purpose provides a kind of pipeline protective cover that is used for excavator, by the improvement to structure, makes the excavator vehicle frame when being retracted or launch, and the fluid pressure line around the vehicle frame all can be protected fully, guarantees the normal use of excavator.
For achieving the above object; the technical solution adopted in the utility model is: a kind of pipeline protective cover of excavator; the body that comprises a pair of left and right symmetry; each described body is that syllogic is divided body structure; the autonomous traveling vehicle frame inwardly is made up of first guard shield, second guard shield and the 3rd guard shield successively; described body is fixedlyed connected with corresponding vehicle frame through bolt; the second bolt hole horizontal level phase region on first bolt hole on described first guard shield and described second guard shield is joined, and the distance between first bolt hole and second bolt hole cooperates with the distance that described traveling vehicle frame inwardly shrinks.
Above; described excavator mainly is made of equipment, slewing equipment, running gear and hydraulic control device; running gear comprises the traveling vehicle frame of both sides installation traveling crawler; crawler belt in the traveling vehicle frame; and the main car frame that installs back rotary device, equipment, there are many fluid pressure lines in main car frame one side, be used to drive crawler belt behaviour industry; for protecting these pipelines, fluid pressure line disposes the pipeline protective cover outward.In the technique scheme; described protective cover is made of the and arranged on left and right sides body, and protection drives the fluid pressure line that the and arranged on left and right sides crawler belt is advanced respectively, and each described body is that syllogic is divided body structure; amalgamation constitutes an integral body, fixedlys connected with vehicle frame (main car frame or traveling vehicle frame) with bolt respectively.In large-scale digging machine, main car frame has expansion and shrinks two states, respectively corresponding normal operating conditions and travel position: when excavator was in normal operating conditions, pipeline protective cover three stage structure normally connected use, plays a protective role; When the excavator travel position; need to shorten the spacing between the traveling vehicle frame of the left and right sides; remove second guard shield this moment; the bolt of first guard shield takes off; traveling vehicle frame inwardly is contracted to travel position; because the distance that first bolt hole on first guard shield is joined with the second bolt hole horizontal level district on second guard shield and traveling vehicle frame shrinks matches with the spacing of first bolt hole to the second bolt hole; promptly accompany away after vehicle frame moves inward when first guard shield; its bolt installation site just in time coincide with the original bolt installation site of second guard shield; can twist the bolt on first guard shield in second bolt hole this moment; be spliced to form corresponding pipeline protective cover with the 3rd guard shield, for digging machine provides excellent protection at the fluid pressure line under the travel position.
Further technical scheme, described first guard shield is by forming with the fixing following pillar cover of respective side traveling vehicle frame with the fixing last pillar cover of main car frame, when shrinking main car frame, following pillar cover need not change, the bolt that only needs will go up on the pillar cover is backed out, mobile vehicle frame, the pillar cover can be finished on the bolt of screwing on behind the location, convenient first guard shield installing and fixing in vehicle frame contraction and expansion process.
Because the technique scheme utilization, the advantage that the utility model compared with prior art has is:
1, because the utility model divides body structure by pipeline protective cover body is become syllogic, by traveling vehicle frame inwardly is first guard shield successively, second guard shield and the 3rd guard shield, the second bolt hole horizontal level phase region on first bolt hole on first guard shield and described second guard shield is joined, and the distance between first bolt hole and second bolt hole cooperates with the distance that described traveling vehicle frame inwardly shrinks, thereby make the excavator vehicle frame after being retracted, can take off second guard shield, be spliced into pipeline protective cover under the contraction state with first guard shield and second guard shield, make that the fluid pressure line around the vehicle frame all can be protected fully under normal operating conditions and travel position, avoid the exposed of pipeline, guarantee the normal use of excavator;
2, the utility model is simple in structure, and is easy to use, is fit to promote the use of.
Description of drawings
Fig. 1 is the user mode structure reference diagram of the utility model embodiment one;
Fig. 2 is the vertical view of Fig. 1;
Fig. 3 is the structural representation of Fig. 1 after pulling down second guard shield;
Fig. 4 is the vertical view of Fig. 3.
Wherein: 1, first guard shield; 2, second guard shield; 3, the 3rd guard shield; 4, main car frame; 5, bolt; 6, traveling vehicle frame; 7, following pillar cover.
The specific embodiment
Below in conjunction with drawings and Examples the utility model is further described:
Embodiment one: extremely shown in Figure 4 referring to Fig. 1; a kind of pipeline protective cover of excavator; comprise an a pair of left side; the body of right symmetry; each described body is that syllogic is divided body structure; autonomous traveling vehicle frame 6 is inwardly successively by first guard shield 1; second guard shield 2 and the 3rd guard shield 3 are formed; described body is fixedlyed connected with corresponding vehicle frame 4 through bolt 5; the second bolt hole horizontal level phase region on first bolt hole on described first guard shield 1 and described second guard shield 2 is joined; and the distance between first bolt hole and second bolt hole cooperates with the distance that described traveling vehicle frame 6 inwardly shrinks, and described first guard shield 1 is by forming with the fixing following pillar cover 7 of respective side traveling vehicle frame 6 with the last pillar cover that main car frame 4 is fixed.
During the excavator normal operating conditions, the and arranged on left and right sides body is located at the fluid pressure line outside, plays a protective role, as shown in Figure 1, 2.When the excavator travel position; need to shorten the spacing of 6 of left and right sides traveling vehicle frames; remove second guard shield 2 this moment; traveling vehicle frame 6 inwardly shrinks; take off the bolt of the last pillar cover in first guard shield 1; inwardly shrink with main car frame; since first bolt hole with the second bolt hole horizontal level district join and the spacing of first bolt hole and second bolt hole and traveling vehicle frame 6 inwardly contractions apart from cooperating; thereby after last pillar cover moves inward; its bolt installation site just in time coincide with the original bolt installation site of second guard shield 2; the bolt of screwing on, this moment, first guard shield 1 and the 3rd guard shield 3 were spliced to form the pipeline protective cover under the travel position, as Fig. 3; shown in 4.
Claims (2)
1. the pipeline protective cover of an excavator; comprise an a pair of left side; the body of right symmetry; it is characterized in that: each described body is that syllogic is divided body structure; autonomous traveling vehicle frame (6) is inwardly successively by first guard shield (1); second guard shield (2) and the 3rd guard shield (3) are formed; described body is fixedlyed connected with corresponding vehicle frame (4) through bolt (5); the second bolt hole horizontal level phase region on first bolt hole on described first guard shield (1) and described second guard shield (2) is joined, and the distance between first bolt hole and second bolt hole cooperates with the distance that described traveling vehicle frame (6) inwardly shrinks.
2. the pipeline protective cover of excavator according to claim 1 is characterized in that: described first guard shield (1) is by forming with the fixing following pillar cover (7) of respective side traveling vehicle frame (6) with the fixing last pillar cover of main car frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2009200375948U CN201362866Y (en) | 2009-02-09 | 2009-02-09 | Protective shield for pipelines of excavator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2009200375948U CN201362866Y (en) | 2009-02-09 | 2009-02-09 | Protective shield for pipelines of excavator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201362866Y true CN201362866Y (en) | 2009-12-16 |
Family
ID=41473527
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2009200375948U Expired - Fee Related CN201362866Y (en) | 2009-02-09 | 2009-02-09 | Protective shield for pipelines of excavator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201362866Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102561441A (en) * | 2010-12-22 | 2012-07-11 | 日立建机株式会社 | Hydraulic pipe protection structure of engineering machine |
| CN105813933A (en) * | 2013-11-28 | 2016-07-27 | 卡特彼勒Sarl | Traveling device and working machine |
| CN109306716A (en) * | 2018-11-14 | 2019-02-05 | 徐州徐工矿山机械有限公司 | A kind of Multifunctional protective cover structure and excavator |
| CN111791962A (en) * | 2020-07-08 | 2020-10-20 | 茂名市粤达通工程有限公司 | A crawler cover for a crawler excavator |
-
2009
- 2009-02-09 CN CNU2009200375948U patent/CN201362866Y/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102561441A (en) * | 2010-12-22 | 2012-07-11 | 日立建机株式会社 | Hydraulic pipe protection structure of engineering machine |
| CN102561441B (en) * | 2010-12-22 | 2015-08-19 | 日立建机株式会社 | The hydraulic pipe protection structure of engineering machinery |
| CN105813933A (en) * | 2013-11-28 | 2016-07-27 | 卡特彼勒Sarl | Traveling device and working machine |
| CN105813933B (en) * | 2013-11-28 | 2018-05-18 | 卡特彼勒Sarl | Traveling device and working machine |
| CN109306716A (en) * | 2018-11-14 | 2019-02-05 | 徐州徐工矿山机械有限公司 | A kind of Multifunctional protective cover structure and excavator |
| CN111791962A (en) * | 2020-07-08 | 2020-10-20 | 茂名市粤达通工程有限公司 | A crawler cover for a crawler excavator |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20091216 Termination date: 20130209 |