CN101135173B - Sealing device for working machine and pressurized driving cap - Google Patents
Sealing device for working machine and pressurized driving cap Download PDFInfo
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- CN101135173B CN101135173B CN2006101265611A CN200610126561A CN101135173B CN 101135173 B CN101135173 B CN 101135173B CN 2006101265611 A CN2006101265611 A CN 2006101265611A CN 200610126561 A CN200610126561 A CN 200610126561A CN 101135173 B CN101135173 B CN 101135173B
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- seal box
- opening
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- driver
- seal
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Abstract
The sealed and pressurized operator's cabin for engineering machinery includes one sealed box comprising one first part with at least one first opening and one second part with at least one second opening; at least one control rod connected to the sealed box and penetrating through the first opening; at least one linkage unit connected to the control rod and penetrating through the second opening; and one sealing member to seal the sealed box through fitting with the linkage unit. The sealed and pressurized operator's cabin can avoid contamination to the inside of the cabin and maintain its air pressure.
Description
Technical field
The present invention relates to a kind of sealing device of work mechanism, the invention further relates to a kind of pressurized driving cap that the work mechanism of sealing device is set.
Background technology
The heavy work mechanism of work mechanism such as bulldozer, excavator, agricultural traction engine and other types can be provided with control device usually, like gear control device, steering control device and/or hand braking control device.The top of the control lever of above-mentioned control device can be passed the opening that is arranged on operating desk or the driver's cabin cover plate usually from the bottom of operating desk or driver's cabin and get into operating desk or driver's cabin; And further be connected with joystick; The bottom of control lever is connected with linkage in the bottom of operating desk or driver's cabin cover plate usually; Owing to the bottom exposed of control device does not have protection in the cover plate bottom, so control device has possibility contaminated or that damage; When work mechanism was provided with driver's cabin, the outer dust of driver's cabin possibly get into driver's cabin by the opening on cover plate, driver's cabin is formed pollute; When particularly work mechanism adopts pressurized driving cap; Promptly in driver's cabin, send into air through air-supply arrangement; Make pressure in the driver's cabin greater than ambient pressure to keep the driver's cabin cleaning, in the case, send into the opening effusion driver's cabin that the air of driver's cabin can be on cover plate; Cause driver's cabin pressure to reduce, be unfavorable for the formation of driver's cabin external and internal pressure difference.
Content disclosed by the invention has overcome above-mentioned one or more shortcoming.
Summary of the invention
For realizing above-mentioned purpose; On the one hand, the invention discloses a kind of sealing device of work mechanism, comprising: a seal box that is provided with a first and a second portion; One first opening is set in the said first at least, one second opening is set on the said second portion at least; At least one control lever links to each other with said seal box and passes said first opening; At least one linkage links to each other with said control lever and passes said second opening; Seal links to each other with seal box and cooperates said seal box sealing with said linkage at second aperture position of seal box.
The present invention has adopted control device partly is arranged in the seal box and at second aperture position technical scheme of seal is set, and can prevent that dust from getting into seal box and control device is formed polluting, and prevent that further control device from being damaged by external object.
On the other hand; The invention discloses a kind of pressurized driving cap of work mechanism; Comprise: a seal box that is provided with a first and a second portion; At least be provided with one in the said first towards the first inner opening of driver's cabin, at least one is towards the second outside opening of driver's cabin on the said second portion; At least one control lever links to each other with said seal box and passes said first opening and gets into said driver's cabin inside; At least one linkage links to each other with said control lever and passes said second opening and gets into said driver's cabin outside; Seal links to each other with seal box and cooperates said seal box sealing with said linkage at second aperture position of seal box.
The present invention has adopted in pressurized driving cap control device partly has been arranged on the technical scheme that seal is set in the seal box and at second aperture position; Can prevent that dust from getting into seal box control device is formed pollution, prevents that control device from being damaged by external object; And the opening of air on cover plate that further prevents to send in the driver's cabin overflowed; Guarantee driver's cabin pressure, and then keep the driver's cabin air cleaner.
Description of drawings
Fig. 1 is the schematic side view of exemplary operation machinery of the present invention.
Fig. 2 is the structure sectional view of work mechanism driver's cabin shown in Figure 1.
Fig. 3 is for removing seal box concrete structure sketch map behind the cover plate among Fig. 2.
Fig. 4 is an A portion enlarged drawing among Fig. 3.
Fig. 5 is a driver's cabin backsight structural representation.
The specific embodiment
A kind of typical work mechanism 10 as shown in Figure 1, this work mechanism can be a kind of fixing or machinery of moving, as it can be dig up mine, build, cultivate, machinery that carrier or any other industry known in the art are correlated with.For example, work mechanism 10 can be the ground mechanically moving, like excavator, bulldozer, loader, backacter, land leveller, incline lorry or other ground mechanically movings certainly.Work mechanism 10 can comprise driver's cabin 101, and 102, one of vehicle frames movably are connected in the Work tool 103 of work mechanism, and Work tool is connected to hydraulic jack 104 and at least one draw-gear 105 on the work mechanism vehicle frame 102.
Can a large amount of different working instruments 103 be connected on the single work mechanism, Work tool can be scraper bowl, fork, perching knife, scoop, ridge buster, dump bucket, squeegee, blowing snow device, propulsion plant, cutter sweep, clamping device or any other Work tool known in the art.Work tool can pass through direct pivot, through connected system, through one or more hydraulic cylinders, pass through motor or be connected with work mechanism 10 with other any suitable modes.Work tool 103 can be designed to through pivoting, rotate, slide, swing, promote or moving with respect to work mechanism with the known method of any this area.
As shown in Figure 2, work mechanism 10 comprises a driver's cabin 101.Work mechanism 10 can not be provided with driver's cabin yet and an operating desk only is set, or a ceiling is set to keep the sun off on operating desk.Driver's cabin 101 can comprise a framework 106, and framework 106 is generally metal construction, can be provided with cab door 107 at frame facet, so that operating personnel pass in and out driver's cabin.Can be provided with window 108 on the part of framework, on the window glass can be installed, so that driver's cabin daylighting and driver's observation are driven outdoor situations.Be provided with roof 109 at the top of framework.Be provided with handrail 110 at the framework of driver's cabin near the position of door, be convenient to the driver and when the turnover driver's cabin, control, guarantee the safety of work.The front portion of driver's cabin can be provided with opening 111, and opening 111 can be used to be provided with the controller dial plate, and driver's cabin supercharging air-supply arrangement or air filtration, adjusting device etc. can also be set.
As shown in Figure 2, in driver's cabin, baffle plate 21 can be set, baffle plate 21 is arranged on the both sides, rear portion of driver's cabin, has only shown the baffle plate of a side among Fig. 2, is readily appreciated that baffle plate is arranged on the both sides of driver's cabin usually.Between baffle plate, can be provided with supporting bable tops 22, on the supporting bable tops 22 driver seat can be set,, on the operating desk a plurality of instrument can be set, omit in the view so that the driver's operation work mechanism can be provided with operating desk in the driver's cabin.Driver's cabin 10 can be fixed on the vehicle frame or on the vehicle frame baffle plate.
Like Fig. 2, shown in Figure 3, the baffle plate 21 in the driver's cabin can comprise horizontally disposed operation cover plate 201 and longitudinally extending side plate 202, and operation cover plate 201 separates with rear portion one side and the external world of side plate 202 with driver's cabin, prevents that dust from getting into driver's cabin.Bottom at operation cover plate 201 is provided with seal box 31; Seal box 31 can be processed by metal; Seal box can be fixing on the cover board through welding manner; Also can be fixing on the cover board through bolt or other known fixed structure, seal box also can be fixed on other parts of work mechanism car body.
As shown in Figure 4; Seal box 31 can comprise first 311 that is in seal box top and the second portion 312 that is in the seal box bottom; Seal box 31 can comprise the roof 301 that is formed by part operation cover plate 201; Diapire 302 and sidewall 303, wherein the partial sidewall of seal box is formed by side plate 202.Seal box roof 301 is provided with removable top cover 304.Removable side cover 305 can be set on the sidewall 303 of seal box equally.On the top cover 304 of seal box first, first opening 401 and 402 can be set; (being the top of side plate 202) is provided with first opening 403 on the sidewall 303 of seal box first; It is corresponding with second opening 404 that second opening 404,405 and 406, the first openings 401 can be set on the diapire of seal box second portion; First opening 402 is corresponding with second opening 405; First opening 403 is corresponding with second opening 406.
The top cover 304 of seal box can pass through bolt 300 dismounting with respect to seal box 31, is provided with removable side cover 305 at the sidewall of seal box, and removable top cover 304 and side cover 305 can make things convenient for the M R of control device in the work mechanism seal box.
Like Fig. 3, shown in Figure 4, in seal box, can be provided with three control device, comprise steering control device, gear control device and brake control.
Steering control device comprises control lever 12, and control lever 12 passes in the entering driver's cabin from first opening 401 that is arranged on the seal box top cover, is fixedly connected with handle 11.First opening 401 is elongated groove shape, is convenient to control lever and in operating process, swings.Handle 11 is horizontally disposed with; Wherein steering control level 12 all can comprise two with handle 11; Control left steering and right turn respectively, in seal box 31, being provided with control lever 12 is the articulated mounting that traction steel wire 19 is connected with linkage, and articulated mounting can comprise articulated stand 13; Articulated stand is fixed in the seal box 31, and fixed form can adopt welding, bolt or other known fixed forms.Articulated stand is provided with jointed shaft 14; Steering control level 12 is hinged with jointed shaft 14; Control lever further is fixedly connected with traction steel wire 19, on the traction steel wire of seal box 31 outsides, is set with sleeve pipe 15, wherein in the end of sleeve pipe 15 metal sleeve 20 can be set; The outer setting of metal sleeve has screw thread, and second opening 404 on traction steel wire and the outer sleeve self sealss box diapire 302 thereof passes and gets into the driver's cabin outside.Traction steel wire as shown in Figure 3 is connected with transfer control valve 16, and wherein traction steel wire is corresponding with control lever and joystick, is arranged to two, and two gauge taps with control valve 16 are corresponding respectively, turns to about the control work mechanism.404 places are provided with steel sealing mat 17 (packing ring) at second opening; Locking nut 18 is set on the metal sleeve inside and outside the seal box 20; The inner nut of seal box only is shown among Fig. 4, understands easily, equally nut can be set in the seal box outside; So that the inside and outside nut of seal box is tightened relatively, sealing mat 17 is locked on the diapire 302 of seal box 31.Sealing nut 18, sealing mat 17 cooperate with second opening 404 and sleeve pipe 20, and second opening 404 on the seal box diapire is sealed.Covered by pad 17 and nut 18 in second opening, 404 views, therefore the position of 404 mark second openings does not manifest its concrete structure in the view, understands easily, and second opening 404 can be any structure form that allows traction steel wire 19 and sleeve pipe 20 to pass.
Brake control comprises brake control rod 22, and first opening 403 on the sidewall 303 of brake control rod 22 self sealss box firsts passes and gets in the driver's cabin, and first opening 403 is elongated groove shape, is convenient to control lever and in operating process, swings.The outer end of brake control rod is provided with control crank 21.In seal box 31, being provided with connection brake control rod 22 is the articulated mounting of draw bar 25 with linkage; Articulated mounting can comprise articulated stand 23; Articulated stand 23 is fixed in the seal box, and fixed form can adopt welding or bolt, perhaps other structures well known in the prior art.Articulated stand 23 is provided with jointed shaft 24; Brake control rod 22 is hinged with jointed shaft 24; And further be connected with draw bar 25; Second opening 406 is set on the diapire of seal box 31 second portions, and draw bar 25 passes seal box from second opening 406 and gets into the driver's cabin outside, and is connected (not shown in the view) with brake monitor.406 places are provided with sealing shroud 26 at second opening, and an end of sealing shroud 26 is fixed in second opening 406, and it is outside outstanding to seal box 31 that the other end is cannula-like, tightens up at last in linkage and promptly brake on the draw bar 25, and draw bar 25 is held tightly, and draw bar is sealed.Sealing shroud 26 can be formed by rubber processing, also can adopt other elastomeric materials of the prior art.Sealing shroud 26 can be processed into corrugated, and like Fig. 4, shown in Figure 5, sealing shroud has adopted the transverse wave structure, and sealing shroud also can adopt other ripple struction, and ripple struction makes sealing shroud be easy to extensional deformation, keeps the sealing of sealing shroud to control device simultaneously.
The gear control device comprises gear control lever 32, and first opening 402 of gear control lever 32 on the top cover 304 that is arranged in seal box first passes and get into driver's cabin.First opening 402 is elongated groove shape, is convenient to the gear control lever and in operating process, swings.The top of gear control lever is provided with handle 35; Second opening 405 on the gangbar 34 self sealss box second portion diapires of gear control lever bottom passes; The entering driver's cabin is outside, and links to each other with gear controller (not shown in the view), the operation of control work mechanism.405 places are provided with sealing shroud 33 at seal box second opening, and an end of sealing shroud 33 is fixed in second opening 405, and it is outside outstanding to seal box that the other end is cannula-like, tightens up at last on gangbar 34, gangbar are held tightly, to the interlock rod seal.Sealing shroud 33 can be formed by rubber processing, also can adopt other elastomeric materials of the prior art.Sealing shroud 33 can be processed into corrugated; Like Fig. 4, shown in Figure 5, sealing shroud 33 has adopted the transverse wave structure, and sealing shroud also can adopt other known ripple struction; Ripple struction makes sealing shroud be easy to extensional deformation, keeps the sealing effectiveness of sealing shroud to control device simultaneously.
The seal of different structure has been shown among Fig. 4, Fig. 5, and wherein the seal of steering control device can adopt the pad 17 of elasticity steel processing.Because the traction steel wire of steering control device is arranged in the sleeve pipe 15; And traction steel wire and sleeve pipe 15 are not done the relative position swing; In the case; Second opening 404 can be processed narrow and small relatively, only need pass control corresponding device (traction steel wire and sleeve pipe) to get final product, and can control device be sealed at second opening, 404 places of seal box second portion through sealing mat 17 and the bolt 18 that compresses relatively; Control lever 32, the relative displacement of gangbar 34 in seal box 31 of gear control device are bigger; Therefore second opening 405 is bigger, seals for the displacement of assurance gear control device and to gangbar 34, and the gear control device has adopted the taper structure; Sleeve pipe 33 can be by rubber processing; And adopted the taper of being with ripple, taper can guarantee that ripple is convenient to the distortion and the sealing of sleeve pipe 33 in the swing space of second opening, 405 place's gear control device.The draw bar 25 of brake control has adopted moderate second opening, 406 areas with respect to gear control device and steering control device; The cross section of braking draw bar 25 is bigger; But the displacement of relative swing is less; Therefore sealing shroud 26 main bodys adopt cylindrical structural, and tighten up on draw bar the bottom of sealing shroud 26, and hand brake device is sealed.
In the above-mentioned specific embodiment; Seal box can to a plurality of, seal like steering control device, gear control device and brake control; In actual application, can Without wishing give the above-mentioned specific embodiment, as required wherein one or more control device are sealed.
Through correspondence is provided with first opening 401, second opening 404 in the upper and lower of seal box 31; First opening 402, second opening 405; First opening 403, second opening 406; Steering control device, gear control device and brake control correspondence are passed first opening and second opening of seal box; And seal through second opening of seal (sealing mat and sealing shroud) to seal box; The bottom that can prevent dust self sealss box thus gets into seal box 31 and the damage of exterior object to control device, further prevents first opening of dust self sealss box to get in the driver's cabin.
When work mechanism adopts pressurized driving cap; The seal that seal box lower openings 404,405,406 is provided with is with external world's sealing of control device and driver's cabin 101; Can prevent that on the one hand dust from getting into driver's cabin from the bottom of driver's cabin, on the other hand, after first opening 401,402,403 of air self sealss box 31 firsts that send into driver's cabin through air-supply arrangement gets into seal box; Because the sealing function of seal; Prevent that air self sealss box from overflowing outside driver's cabin, therefore can guarantee the air pressure in the driver's cabin, the pressure that makes driver's cabin is greater than driver's cabin air outside pressure; Prevent that dust from getting into driver's cabin in the slit of driver's cabin, keep good air ambient in the driver's cabin.
Obviously, those skilled in the art can carry out various modifications and modification to disclosed seal box and pressurized driving cap.With reference to after the explanation and the specific embodiment of disclosed seal box and pressurized driving cap, other embodiment will be readily apparent to persons skilled in the art.Should think explanation and the specific embodiment among the application just as for example, true scope of the present invention appended claim with and equivalents limited.
Claims (18)
1. the sealing device of a work mechanism comprises:
A seal box that is provided with a first and a second portion is provided with one first opening at least in the said first, one second opening is set on the said second portion at least;
At least one control lever links to each other with said seal box and passes said first opening;
At least one linkage links to each other with a said control lever and passes said second opening;
Seal links to each other with seal box and cooperates said seal box sealing with said linkage at one second aperture position of seal box.
2. the sealing device of work mechanism according to claim 1 is characterized in that, said seal is a sheath.
3. the sealing device of work mechanism according to claim 2 is characterized in that, said sheath is outside outstanding to seal box.
4. the sealing device of work mechanism according to claim 1 is characterized in that, said seal is processed by elastomeric material.
5. the sealing device of work mechanism according to claim 1 is characterized in that, on the said seal ripple struction is set.
6. the sealing device of work mechanism according to claim 1 is characterized in that, an articulated mounting that connects said control lever and said linkage is set in the said seal box at least.
7. the sealing device of work mechanism according to claim 1 is characterized in that, said seal is processed by elastomeric material.
8. the sealing device of work mechanism according to claim 1 is characterized in that, further comprises a driver's cabin, and said first opening is inner towards driver's cabin, said second opening is outside towards driver's cabin.
9. the pressurized driving cap of a work mechanism comprises:
A seal box that is provided with a first and a second portion is provided with one at least towards the first inner opening of driver's cabin in the said first, at least one is set towards the second outside opening of driver's cabin on the said second portion;
At least one control lever links to each other with said seal box and passes said first opening and gets into said driver's cabin inside;
At least one linkage links to each other with a said control lever and passes said second opening and gets into said driver's cabin outside;
Seal links to each other with seal box and cooperates said seal box sealing with said linkage at one second aperture position of seal box.
10. the pressurized driving cap of work mechanism according to claim 9 is characterized in that,
Said seal is a sheath.
11. the pressurized driving cap of work mechanism according to claim 10 is characterized in that,
Said sheath is outside outstanding to seal box.
12. the pressurized driving cap of work mechanism according to claim 9 is characterized in that,
Said seal is processed by elastomeric material.
13. the pressurized driving cap of work mechanism according to claim 9 is characterized in that,
On the said seal ripple struction is set.
14. the pressurized driving cap of work mechanism according to claim 9 is characterized in that,
At least part seal box wall is connected with said seal box is dismantled and assembled.
15. the pressurized driving cap of work mechanism according to claim 9 is characterized in that,
An articulated mounting that connects said control lever and said linkage is set in the said seal box at least.
16. the pressurized driving cap of work mechanism according to claim 9 is characterized in that,
Said seal is processed by elastomeric material.
17. the pressurized driving cap of work mechanism according to claim 9 is characterized in that,
Further comprise the operation cover plate that is formed by the part driver's cabin, said seal box is arranged on the bottom of said operation cover plate.
18. the pressurized driving cap of work mechanism according to claim 17 is characterized in that,
Said seal box is fixed on the bottom of said operation cover plate through welding manner.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2006101265611A CN101135173B (en) | 2006-08-28 | 2006-08-28 | Sealing device for working machine and pressurized driving cap |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2006101265611A CN101135173B (en) | 2006-08-28 | 2006-08-28 | Sealing device for working machine and pressurized driving cap |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101135173A CN101135173A (en) | 2008-03-05 |
| CN101135173B true CN101135173B (en) | 2012-01-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2006101265611A Expired - Fee Related CN101135173B (en) | 2006-08-28 | 2006-08-28 | Sealing device for working machine and pressurized driving cap |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101135173B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101381996B (en) * | 2008-10-20 | 2011-08-24 | 郑明法 | Improved loader |
| CN110356337B (en) * | 2019-07-19 | 2024-03-01 | 江苏徐工工程机械研究院有限公司 | Boost cab and sealing device |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2746002Y (en) * | 2004-11-03 | 2005-12-14 | 徐州徐工特种工程机械有限公司 | Driver's cab of loader-digger |
| CN2797452Y (en) * | 2005-05-20 | 2006-07-19 | 徐州徐工特种工程机械有限公司 | Driver cab for loader |
-
2006
- 2006-08-28 CN CN2006101265611A patent/CN101135173B/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2746002Y (en) * | 2004-11-03 | 2005-12-14 | 徐州徐工特种工程机械有限公司 | Driver's cab of loader-digger |
| CN2797452Y (en) * | 2005-05-20 | 2006-07-19 | 徐州徐工特种工程机械有限公司 | Driver cab for loader |
Non-Patent Citations (2)
| Title |
|---|
| JP特开2001-288781A 2001.10.19 |
| JP特开2004-150029A 2004.05.27 |
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| Publication number | Publication date |
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| CN101135173A (en) | 2008-03-05 |
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Owner name: CATERPILLAR CO.,LTD. Free format text: FORMER OWNER: CATERPILLAR (XUZHOU) DESIGN CENTER CO., LTD. Effective date: 20100308 |
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| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 000000 7/F, JINSHANQIAO BUILDING, ECONOMIC AND TECHNOLOGICAL DEVELOPMENT ZONE, XUZHOU CITY, JIANGSU PROVINCE TO: UNITED STATES OF AMERICA ILLINOIS STATE |
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| TA01 | Transfer of patent application right |
Effective date of registration: 20100308 Address after: Illinois, United States Applicant after: Caterpillar Inc. Address before: 000000, Jinshan building, building seven, Xuzhou economic and Technological Development Zone, Jiangsu Applicant before: Carterpile (Xuzhou) Design Center Co., Ltd. |
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Granted publication date: 20120104 Termination date: 20200828 |