CN101135173A - Sealing device for working machine and pressurized driving cap - Google Patents
Sealing device for working machine and pressurized driving cap Download PDFInfo
- Publication number
- CN101135173A CN101135173A CNA2006101265611A CN200610126561A CN101135173A CN 101135173 A CN101135173 A CN 101135173A CN A2006101265611 A CNA2006101265611 A CN A2006101265611A CN 200610126561 A CN200610126561 A CN 200610126561A CN 101135173 A CN101135173 A CN 101135173A
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- seal box
- opening
- work mechanism
- driver
- cabin
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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, as 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 from the bottom of operating desk or driver's cabin usually and enter 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 may enter 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 by air-supply arrangement, pressure in the driver's cabin is cleaned to keep driver's cabin greater than ambient pressure, 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 achieving the above object, 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 described first at least, one second opening is set on the described second portion at least; At least one control lever links to each other with described seal box and passes described first opening; At least one linkage links to each other with described control lever and passes described second opening; Seal links to each other with seal box and cooperates described seal box sealing with described linkage at second aperture position of seal box.
The present invention has adopted and control device partly is arranged in the seal box and at second aperture position technical scheme of seal has been set, and can prevent that dust from entering 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, first opening towards driver's cabin inside is set in the described first at least, and at least one is towards second opening of driver's cabin outside on the described second portion; At least one control lever links to each other with described seal box and passes described first opening and enters described driver's cabin inside; At least one linkage links to each other with described control lever and passes described second opening and enters described driver's cabin outside; Seal links to each other with seal box and cooperates described seal box sealing with described linkage at second aperture position of seal box.
The present invention has adopted the technical scheme that partly is arranged on control device in the seal box and seal is set at second aperture position in pressurized driving cap, can prevent that dust from entering 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 schematic diagram 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, as 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.
Vehicle frame 102 can comprise the element of construction of other support works machinery 10 motions, and vehicle frame 102 can be specially such as the movable supporting frame of the fixed frame that power source (not shown in the view) is connected with draw-gear 105, connected system or other any known brackets structures.
A large amount of different Work tools 103 can 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, by connected system, by one or more hydraulic cylinders, pass through motor or be connected with work mechanism 10 in other any suitable modes.Work tool 103 can be designed to by 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.Position close of the framework of driver's cabin is provided with handrail 110, is convenient to the driver and controls when the turnover driver's cabin, guarantees 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, be omitted 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.
As 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 and side plate 202 separate rear portion one side and the external world of driver's cabin, prevent that dust from entering 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 by welding manner, also can be fixing on the cover board by 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.
As shown in Figure 3, 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 and enters in the driver's cabin from being arranged on first opening 401 on the seal box top cover, fixedlys connected with handle 11.First opening 401 is elongated groove shape, is convenient to control lever and swings in operating process.Handle 11 is horizontally disposed with, wherein steering control level 12 and handle 11 all can comprise two, control left steering and right turn respectively, being provided with control lever 12 in seal box 31 is the articulated mounting that traction steel wire 19 is connected with linkage, 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 is further fixedlyed connected with traction steel wire 19, on the traction steel wire of seal box 31 outsides, be set with sleeve pipe 15, wherein metal sleeve 20 can be set in the end of sleeve pipe 15, 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 enters the driver's cabin outside.Traction steel wire is connected with transfer control valve 16 as shown in Figure 3, 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 nut of seal box inside only is shown among Fig. 4, understand 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 enters in the driver's cabin, and first opening 403 is elongated groove shape, is convenient to control lever and swings in operating process.The outer end of brake control rod is provided with control crank 21.Being provided with connection brake control rod 22 and linkage in seal box 31 is the articulated mounting of draw bar 25, 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, draw bar 25 passes seal box from second opening 406 and enters 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 as 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 enter driver's cabin.First opening 402 is elongated groove shape, is convenient to the gear control lever and swings in operating process.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, enter the driver's cabin outside, and link to each other, the operation of control work mechanism with gear controller (not shown in the view).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, as 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) and get final product, and can control device be sealed at second opening, 404 places of seal box second portion with the relative bolt that compresses 18 by sealing mat 17; 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, seal for the displacement of assurance gear control device and to gangbar 34, 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 swing is less relatively, therefore sealing shroud 26 main bodys adopt cylindrical structural, 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 as 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.
By first opening 401, second opening 404 are set in the upper and lower of seal box 31 correspondence; 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 by second opening of seal (sealing mat and sealing shroud) to seal box, the bottom that can prevent dust self sealss box thus enters the damage to control device of seal box 31 and exterior object, and first opening of further pre-dust protection self sealss box enters in the driver's cabin.
When work mechanism adopts pressurized driving cap, seal box lower openings 404,405,406 seals that are provided with are with external world's sealing of control device and driver's cabin 101, can prevent that dust from entering driver's cabin from the bottom of driver's cabin on the one hand, on the other hand, first opening 401 when air self sealss box 31 firsts that send into driver's cabin by air-supply arrangement, 402,403 enter seal box after, 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 entering 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 variations to disclosed seal box and pressurized driving cap.After the explanation and the specific embodiment with reference to disclosed seal box and pressurized driving cap, other embodiment will be readily apparent to persons skilled in the art.Should think the explanation among the application and the specific embodiment just as an example, true scope of the present invention by 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 described first, one second opening is set on the described second portion at least;
At least one control lever links to each other with described seal box and passes described first opening;
At least one linkage links to each other with described control lever and passes described second opening;
Seal links to each other with seal box and cooperates described seal box sealing with described linkage at second aperture position of seal box.
2. the sealing device of work mechanism according to claim 1 is characterized in that, described seal is a sheath.
3. the sealing device of work mechanism according to claim 2 is characterized in that, described sheath is outside outstanding to seal box.
4. the sealing device of work mechanism according to claim 1 is characterized in that, described seal is processed by elastomeric material.
5. the sealing device of work mechanism according to claim 1 is characterized in that, on the described seal ripple is set.
6. the sealing device of work mechanism according to claim 1 is characterized in that, an articulated mounting that connects described control lever and described linkage is set in the described seal box at least.
7. the sealing device of work mechanism according to claim 1 is characterized in that, described 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, described first opening towards driver's cabin inside, described second opening is towards the driver's cabin outside.
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 first opening towards driver's cabin inside at least in the described first, at least one is towards second opening of driver's cabin outside on the described second portion;
At least one control lever links to each other with described seal box and passes described first opening and enters described driver's cabin inside;
At least one linkage links to each other with described control lever and passes described second opening and enters described driver's cabin outside;
Seal links to each other with seal box and cooperates described seal box sealing with described linkage at second aperture position of seal box.
10. the pressurized driving cap of work mechanism according to claim 9 is characterized in that,
Described seal is a sheath.
11. the pressurized driving cap of work mechanism according to claim 10 is characterized in that,
Described sheath is outside outstanding to seal box.
12. the pressurized driving cap of work mechanism according to claim 9 is characterized in that,
Described seal is processed by elastomeric material.
13. the pressurized driving cap of work mechanism according to claim 9 is characterized in that,
On the described potted component ripple struction is set.
14. the pressurized driving cap of work mechanism according to claim 9 is characterized in that,
Be connected with described seal box is dismantled and assembled to small part seal box wall.
15. the pressurized driving cap of work mechanism according to claim 9 is characterized in that,
An articulated mounting that connects described control lever and described linkage is set in the described seal box at least.
16. the pressurized driving cap of work mechanism according to claim 9 is characterized in that,
Described 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, described seal box is arranged on the bottom of described operation cover plate.
18. the pressurized driving cap of work mechanism according to claim 17 is characterized in that,
Described seal box is fixed on the bottom of described operation cover plate by 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 true CN101135173A (en) | 2008-03-05 |
| CN101135173B 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) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101381996B (en) * | 2008-10-20 | 2011-08-24 | 郑明法 | Improved loader |
| CN110356337A (en) * | 2019-07-19 | 2019-10-22 | 江苏徐工工程机械研究院有限公司 | A kind of pressurized driving cap and sealing device |
Family Cites Families (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
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101381996B (en) * | 2008-10-20 | 2011-08-24 | 郑明法 | Improved loader |
| CN110356337A (en) * | 2019-07-19 | 2019-10-22 | 江苏徐工工程机械研究院有限公司 | A kind of pressurized driving cap and sealing device |
| 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 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101135173B (en) | 2012-01-04 |
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| ASS | Succession or assignment of patent right |
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 |