CN101830413A - Support carrier and cab thereof - Google Patents

Support carrier and cab thereof Download PDF

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Publication number
CN101830413A
CN101830413A CN 201010172613 CN201010172613A CN101830413A CN 101830413 A CN101830413 A CN 101830413A CN 201010172613 CN201010172613 CN 201010172613 CN 201010172613 A CN201010172613 A CN 201010172613A CN 101830413 A CN101830413 A CN 101830413A
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CN
China
Prior art keywords
ceiling
compartment
operator
main part
bracket carrier
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.)
Pending
Application number
CN 201010172613
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Chinese (zh)
Inventor
金嵘
杜卫刚
王美平
刘航
侯喜双
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sany Heavy Equipment Co Ltd
Original Assignee
Sany Heavy Equipment Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Sany Heavy Equipment Co Ltd filed Critical Sany Heavy Equipment Co Ltd
Priority to CN 201010172613 priority Critical patent/CN101830413A/en
Publication of CN101830413A publication Critical patent/CN101830413A/en
Pending legal-status Critical Current

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Abstract

The invention discloses a cab for a support carrier, which comprises a main body (1) and a ceiling (2) on the upper end of the main body (1). The cab for a support carrier is characterized in that any side of the ceiling (2) is articulated on the main body (1) through an articulated axle (3). In the carrying process of hydraulic supports, the ceiling (2) of the cab is usually in the off state, thereby effectively preventing the risk factors in the work environment from injuring the driver and ensuring the personal safety of the driver; when needing to observe the conditions outside the cab, the driver can push the ceiling (2) so that the ceiling (2) can rotate around the articulated axle (3) and be opened; and after finishing observation, the driver drives the ceiling (2) to move in the reverse direction around the articulated axle (3) to be closed, so that the driver can conveniently observe the outside conditions in the cab without walking out of the cab, thereby reducing the labor intensity of the driver and obviously enhancing the work efficiency in the carrying process.

Description

A kind of bracket carrier and operator's compartment thereof
Technical field
The present invention relates to miner's equipment technical field, particularly a kind of operator's compartment that is used for bracket carrier.The invention still further relates to a kind of bracket carrier that comprises above-mentioned operator's compartment.
Background technology
Along with the fast development of China's economic construction, coal industry constantly develops towards the direction of mechanization, automation, and comprehensive mechanical coal mining equipment is applied among the coal production of various geologic conditions more and more widely.
Hydraulic support is the important component part of comprehensive mechanical coal mining equipment, and it can reliably and effectively support and control the top board of coal-face, isolates the goaf, prevents that spoil from entering stope.Employed hydraulic support does not generally have from the property walked in present Coal Production, when fully-mechanized mining working shifts, hydraulic support need be transferred to simultaneously the control position that needs support, along with the continuous expansion of fully-mechanized mining working and updating of hydraulic support specification, and when shifting for the requirement of transfer efficiency, the mode of traditional a dead lift can not satisfy the high efficiency requirement that mechanization is produced, use bracket carrier to transport hydraulic support fortune and replaced a dead lift gradually, the main flow mode when becoming the fully-mechanized mining working transfer.Bracket carrier is installed on the hydraulic support that it intends carrying in its support frame in use, realize hoisting of hydraulic support and descend by the power driven hydraulic efficiency pressure system, finish transport operation with dilatory power, not only significantly improved work efficiency, and the process of moving is safer reliable.
Bracket carrier needs chaufeur that its moving velocity and running route are carried out manual control at work, and therefore, this bracket carrier has the operator's compartment that is positioned at carrying frame one side usually.The operator's compartment of original bracket carrier does not have ceiling, and chaufeur is exposed in the comparatively rugged environment of Coal Production in the course of the work fully, to the bigger potential safety hazard of personal safety existence of chaufeur.In order to guarantee the safety of chaufeur, in a kind of typical stent transport trolley, its operator's compartment has ceiling, this ceiling is captiveed joint with the upper edge of main part of cabin, thereby guaranteed the safety of chaufeur, but, increased after the ceiling, chaufeur is when carrying out some operation, can't in time observe the exterior situation of operator's compartment, after needs were observed external circumstances, chaufeur need be walked out operator's compartment usually and be checked, increase the working strength of chaufeur, and significantly reduced the work efficiency in the transportation.
Therefore, how when guaranteeing the chaufeur personal safety, reduce the working strength of chaufeur, increase work efficiency, just become the problem that those skilled in the art need solve.
Summary of the invention
The purpose of this invention is to provide a kind of operator's compartment that is used for bracket carrier, it can significantly reduce the working strength of chaufeur when guaranteeing the chaufeur personal safety, increase work efficiency.Another object of the present invention provides a kind of bracket carrier that comprises above-mentioned operator's compartment.
For solving the problems of the technologies described above, the invention provides a kind of operator's compartment that is used for bracket carrier, comprise main part and the ceiling that is positioned at described main part upper end, arbitrary side of described ceiling is articulated in described main part by jointed shaft.
Preferably, also comprise the lockout mechanism that is installed between described ceiling and the described main part, described lockout mechanism selectively locks described ceiling and described main part.
Preferably, described lockout mechanism comprises fixing screw, described fixing screw further comprises inner segment and outer section, the diameter of described inner segment is less than the diameter of described outer section, the relevant position of described main part and described ceiling offers knock hole respectively, described fixing screw selectively is plugged in the two described knock holees by described inner segment, and the diameter of described outer section is greater than the diameter of two described knock holees.
Preferably, described lockout mechanism also comprises the pull back spring that is installed between described outer section inner end surface and the described main part and is set in described inner segment, and described pull back spring has the trend of locking.
Preferably, described ceiling comprises the frame that is positioned at around it.
Preferably, the inner ring of described frame is equipped with at least one strength beam.
Preferably, also comprise the support beam that is fixedly installed in described main part, described ceiling is supported in described support beam when closing.
Preferably, also comprise the handrail that is fixedly installed in described ceiling.
Preferably, described handrail is positioned at the leading portion of described ceiling.
The present invention also provides a kind of bracket carrier, comprises carrying platform and the operator's compartment that is installed on described carrying platform one side, and described operator's compartment is above-mentioned each described operator's compartment.
The operator's compartment that is used for bracket carrier provided by the present invention comprises main part and the ceiling that is positioned at the main part upper end, and wherein, arbitrary side of ceiling is articulated in the appropriate location of main part by jointed shaft.In the handling process of hydraulic support, the ceiling of operator's compartment normally is in closed condition, the injury that can avoid the danger factor in the working environment that chaufeur is caused effectively, thus can guarantee chaufeur personal safety in the course of the work; And when chaufeur need be observed the exterior working environment of operator's compartment and working condition, chaufeur promotes ceiling, make it rotate and open around jointed shaft, after observation finishes, chaufeur drives ceiling around the jointed shaft counter motion and close, and chaufeur can be observed external circumstances easily in operator's compartment, and need not to walk out operator's compartment, thereby reduced the labour intensity of chaufeur, and significantly improved the work efficiency in the handling process.
A kind of preferred embodiment in, lockout mechanism provided by the present invention also comprises the handrail that is fixedly installed in ceiling, when opening and closing ceiling, chaufeur makes ceiling rotate around jointed shaft by promoting handrail, thereby make that the opening and closing process of ceiling is more simple, further reduced the working strength of chaufeur.
In another preferred embodiment, the operator's compartment that is used for bracket carrier provided by the present invention also comprises support beam, this support beam is fixedly installed in the appropriate location of described main part, when closing, ceiling is supported in this support beam, the danger that causes so that avoid lockout mechanism to lose efficacy, thus the safety performance of operator's compartment further improved.
Description of drawings
Structural representation when Fig. 1 is in closed condition for a kind of specific embodiment ceiling of operator's compartment that is used for bracket carrier provided by the present invention;
Structural representation when Fig. 2 is in open mode for a kind of specific embodiment ceiling of operator's compartment that is used for bracket carrier provided by the present invention;
Fig. 3 is the structural representation of a kind of specific embodiment of lockout mechanism provided by the present invention.
The specific embodiment
Core of the present invention provides a kind of operator's compartment that is used for bracket carrier, and it can significantly reduce the working strength of chaufeur when guaranteeing the chaufeur personal safety, increase work efficiency.Another core of the present invention provides a kind of bracket carrier that comprises above-mentioned operator's compartment.
In order to make those skilled in the art person understand technical scheme of the present invention better, the present invention is described in further detail below in conjunction with the drawings and specific embodiments.
Please refer to Fig. 1 and Fig. 2, the structural representation when Fig. 1 is in closed condition for a kind of specific embodiment ceiling of operator's compartment that is used for bracket carrier provided by the present invention; Structural representation when Fig. 2 is in open mode for a kind of specific embodiment ceiling of operator's compartment that is used for bracket carrier provided by the present invention.
In a kind of specific embodiment, operator's compartment provided by the present invention is meant the operator's compartment that is used for bracket carrier, bracket carrier is general main to be comprised operator's compartment and transports the bearing part, wherein transport the bearing part and can be the structure of frame-type, it also can be the form of shipping platform, the hydraulic support that is transported is plugged in the framed structure, perhaps is fixedly mounted on the shipping platform to realize transportation; Operator's compartment mainly comprises main part 1 and ceiling 2, wherein the inside of main part 1 further comprises a plurality of action buttons of the various operation acts that are used for the control bracket transport trolley, and necessary mechanism in the operator'ies compartment in general sense such as bearing circle, operator's saddle, the upper end of main part 1 is equipped with ceiling 2, and arbitrary side of this ceiling 2 is articulated in main part 1 by jointed shaft 3.This jointed shaft 3 can be horizontally disposed with substantially, and chaufeur upwards promotes ceiling 2, and ceiling 2 upwards rotates around jointed shaft 3, and ceiling 2 is opened, chaufeur drag down ceiling 2, and ceiling 2 rotates around jointed shaft 3, and ceiling 2 is closed.This jointed shaft 3 also is not limited to and is horizontally disposed with, as long as can realize ceiling 2 selectively opens and closes, the concrete set-up mode of jointed shaft 3 can have multiple, for example, this jointed shaft 3 can vertically be provided with, the direction of overlooking, chaufeur promotes ceiling 2 cws or rotates counterclockwise, make ceiling 2 open, promote ceiling 2 and rotate in the opposite direction, ceiling is closed.
Can be installed with handrail 4 on the ceiling 2, when handrail 4 moves under external force, ceiling 2 can rotate on perpendicular around jointed shaft 3 under the drive of handrail 4, thereby realize the opening and closing of ceiling 2, when opening and closing ceiling 2, chaufeur makes ceiling 2 rotate around jointed shaft 3 by promoting handrail 4, thereby makes that the opening and closing process of ceiling 2 is more simple, has further reduced the working strength of chaufeur.
Above-mentioned handrail 4 can be installed on the below of ceiling 2, this place " below " be meant handrail 4 under ceiling 2 closing state be positioned at ceiling 2 below.
Above-mentioned handrail 4 can be column structure, the face at the axis of handrail 4 and ceiling 2 places intersects, the axis and the ceiling 2 that also are handrail 4 have suitable angle, this suitable angle be meant can make ceiling 2 with the motion of handrail 4 motion angle, the face at the axis of handrail 4 and ceiling 2 places can not be parallel or be overlapped, and apply the moment of suitable size can for ceiling 2 to characterize handrail 4.
Handrail 4 also is not limited to column structure, and its radical function is to make the process of chaufeur opening and closing ceiling 2 convenient, as long as can realize this application target, the concrete form of handrail 4 can have multiple, for example, and can be for having the structure of kink.
Above-mentioned ceiling 2 can comprise ceiling main part and ceiling kink, the axis of handrail 4 can be perpendicular to the ceiling main part, apparently, when the axis of handrail 4 is vertical with the ceiling main part, ceiling 2 with handrail 4 Fu processes in, under the identical condition of application of force size, it is maximum (handrail 4 and the relative distance of jointed shaft 3 fixing situation under) that handrail 4 puts on moment of rotation on the ceiling 2, thereby make ceiling 2 comparatively laborsaving, reduced the intensity of the work of chaufeur with the opening process of handrail 4.
The shape of handrail 4 can be the cylindrical bar shape, perhaps square shaft-like, also can be other suitable shapes, the axial length of handrail 4 can be the position that can make that chaufeur is raise one's hand and can be got at, and its length should be not long yet, so as to avoid in the process that ceiling 2 is opened with operator's compartment in other mechanisms interfere.
The structure of above-mentioned ceiling 2 also is not limited to all in the same plane everywhere, and the integral structure of this ceiling 2 also can have radian, and perhaps part has radian.
Above-mentioned handrail 4 can be positioned at the leading portion of ceiling 2, so that chaufeur can be operated the action of handrail 4 comparatively easily.The position of above-mentioned handrail 4 also is not limited to the leading portion that is positioned at ceiling 2, not with operator's compartment in other mechanisms interfere, and can not influence under the situation of operation of chaufeur, handrail 4 can be positioned at any suitable position of ceiling 2, and its particular location should not be subjected to the restriction of this specification sheets.
In the handling process of hydraulic support, the ceiling 2 of operator's compartment normally is in closed condition, the injury that can avoid the danger factor in the working environment that chaufeur is caused effectively, thus can guarantee chaufeur personal safety in the course of the work; And when chaufeur need be observed the exterior working environment of operator's compartment and working condition, chaufeur promotes ceiling 2 and is rotating and opening around jointed shaft 3, after observation finishes, chaufeur drives ceiling 2 around the motion of jointed shaft 3 reversing senses and close, chaufeur can be observed external circumstances easily in operator's compartment, and need not to walk out operator's compartment, thus the labour intensity of chaufeur reduced, and significantly improved the work efficiency in the handling process
Can also be further improved the operator's compartment that is used for bracket carrier provided by the present invention.
Please continue with reference to figure 1 and Fig. 2; In the another kind of specific embodiment, the operator's compartment that is used for bracket carrier provided by the present invention, its ceiling 2 can be the structure of frame-type, particularly, this ceiling 2 comprises the frame 21 that is positioned at around it, and the inner ring of described frame 21 is equipped with at least one strength beam 22.The structure of frame-type not only has comparatively failure-free intensity, and has lighter quality under equality strength, thereby has reduced the overall weight of operator's compartment, and has reduced the material use amount of ceiling 2, has saved productive costs.
The structure of above-mentioned ceiling 2 is not limited to frame-type, and it also can be plank frame, perhaps other conventional versions in this area.
The material of parts such as the ceiling 2 that relates among the present invention, main part 1 and handrail 4 all can be the conventional metallic material that uses in this area, material such as steel or aluminum alloy for example, also can be the various non-metallic materials that satisfy the strength and stiffness requirement, for example higher hard moulding material of intensity etc.
The effect of above-mentioned strength beam 22 is the bulk strengths that improve frame-type ceiling 2, and can avoid the threat of big falling object from high altitude to driver safety, thereby has further improved the safety performance of operator's compartment.The number of strength beam 22 can be provided with two, and the number of strength beam 22 is not limited to two, and they also can be for more a plurality of, and the concrete quantity of strength beam 22 is determined for the requirement of strength of ceiling 2 in should using according to reality, do not done qualification at this.
Above-mentioned strength beam 22 can be crossbeam, promptly the horizontal edge with frame is provided with substantially abreast, and the longitudinal edge along frame evenly is provided with, also can be two or more longeron, perhaps not only include crossbeam but also include longeron, also can include the strength beam 22 that has certain angle with vertical and horizontal.
What it is pointed out that among the present invention to be mentioned vertically is meant the direction that bracket carrier travels, and correspondingly, laterally is meant the direction perpendicular to the bracket carrier travel direction.
Can also comprise the support beam 7 that is fixedly installed in main part 1 in the operator's compartment provided by the present invention, ceiling 2 is supported on this support beam 7 when closing, the danger that causes so that avoid lockout mechanism to lose efficacy, thus further improved the safety performance of operator's compartment.This support beam 7 should have enough strength and stiffness.
Above-mentioned frame 21 can comprise horizontally extending first frame and second frame that vertically extends, and is supported in support beam by the base of second frame.
Can also be further improved the operator's compartment that is used for bracket carrier provided by the present invention.
Please refer to Fig. 3, and please continue with reference to figure 1 and Fig. 2; Fig. 3 is the structural representation of a kind of specific embodiment of lockout mechanism provided by the present invention.
In the another kind of specific embodiment, the operator's compartment that is used for bracket carrier provided by the present invention can also comprise the lockout mechanism that is installed between described ceiling 2 and the main part 1, this lockout mechanism is the fixing relative position between ceiling 2 and the main part 1 selectively, like this, when ceiling 2 is closed, can ceiling 2 be fixed on the main part by this lockout mechanism, avoid the further whereabouts of ceiling 2, thereby further improve the safety performance of operator's compartment.
Above-mentioned lockout mechanism can comprise fixing screw 5, this fixing screw 5 further comprises inner segment 51 and outer section 52, the diameter of inner segment 51 is less than the diameter of outer section 52, the relevant position of main part 1 and ceiling 2 all offers knock hole, described fixing screw 5 selectively is plugged in two knock holees by described inner segment 51, and the diameter of outer section 52 is greater than the diameter of knock hole.Like this, when locking, because outer section 52 outside of staying knock hole of fixing screw 5 when unlocking again, only needs directly outer section 52 to be extracted, thereby drive in the inner segment 51 self-align holes, unlocking process is comparatively simple and convenient once more.
Above-mentioned lockout mechanism can also comprise between the inner end surface that is installed on outer section 52 and the described main part 1 and be set in the pull back spring 6 of inner segment 51 that this pull back spring 6 has the trend of locking.In the process that ceiling 2 falls, when the knock hole on the ceiling 2 when knock hole on the main part 1 is connected, pull back spring 6 can spring back in two knock holees automatically, thereby has realized automatically locking, save the manual operation process, further reduced the labour intensity of chaufeur.
Above-mentioned pull back spring 6 can be general linear springs, and parameters such as its modulus of elasticity and length should be determined according to the size of needed elastic force in the actual use, not do qualification at this.Above-mentioned lockout mechanism also is not limited to above-mentioned concrete form of implementation, also can be other conventional selecting type lock modes in this area, for example, can offer pin-and-hole respectively in the relevant position of ceiling 2 and main part 1, and manually locating dowel pin is inserted or extracts pin-and-hole, to realize selectively locking.
Above-mentioned lockout mechanism can also comprise and be installed on described main part 1 in-to-in connecting panel 8 and cover plate 9 successively, and the appropriate location of connecting panel 8 and cover plate 9 all offers through hole, and fixing screw 5 is plugged in the knock hole of ceiling 2 by connecting panel 8 and cover plate 9.
Except above-mentioned operator's compartment, the present invention also provides a kind of bracket carrier that comprises above-mentioned operator's compartment, and other each several part structures of this bracket carrier please refer to prior art, do not repeat them here.
More than a kind of bracket carrier provided by the present invention and operator's compartment thereof are described in detail.Used specific case herein principle of the present invention and embodiment are set forth, the explanation of above embodiment just is used for helping to understand method of the present invention and core concept thereof.Should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the principle of the invention, can also carry out some improvement and modification to the present invention, these improvement and modification also fall in the protection domain of claim of the present invention.

Claims (10)

1. operator's compartment that is used for bracket carrier comprises main part (1) and is positioned at the ceiling (2) of described main part (1) upper end, it is characterized in that arbitrary side of described ceiling (2) is articulated in described main part (1) by jointed shaft (3).
2. the operator's compartment that is used for bracket carrier according to claim 1, it is characterized in that, also comprise the lockout mechanism that is installed between described ceiling (2) and the described main part (1), described lockout mechanism selectively locks described ceiling (2) and described main part (1).
3. the operator's compartment that is used for bracket carrier according to claim 2, it is characterized in that, described lockout mechanism comprises fixing screw (5), described fixing screw (5) further comprises inner segment (51) and outer section (52), the diameter of described inner segment (51) is less than the diameter of described outer section (52), the relevant position of described main part (1) and described ceiling (2) offers knock hole respectively, described fixing screw (5) selectively is plugged in the two described knock holees by described inner segment (51), and the diameter of described outer section (52) is greater than the diameter of two described knock holees.
4. the operator's compartment that is used for bracket carrier according to claim 3, it is characterized in that, described lockout mechanism comprises also between the inner end surface that is installed on described outer section (52) and the described main part (1) and is set in the pull back spring (6) of described inner segment (51) that described pull back spring (6) has the trend of locking.
5. according to each described operator's compartment that is used for bracket carrier of claim 1 to 4, it is characterized in that described ceiling (2) comprises the frame (21) that is positioned at around it.
6. the operator's compartment that is used for bracket carrier according to claim 5 is characterized in that, the inner ring of described frame (21) is equipped with at least one strength beam (22).
7. the operator's compartment that is used for bracket carrier according to claim 6 is characterized in that, also comprises the support beam (7) that is fixedly installed in described main part (1), and described ceiling (2) is supported in described support beam (7) when closing.
8. according to each described operator's compartment that is used for bracket carrier of claim 1 to 5, it is characterized in that, also comprise the handrail (4) that is fixedly installed in described ceiling (2).
9. the operator's compartment that is used for bracket carrier according to claim 8 is characterized in that, described handrail (4) is positioned at the leading portion of described ceiling (2).
10. a bracket carrier comprises carrying platform and the operator's compartment that is installed on described carrying platform one side, it is characterized in that described operator's compartment is each described operator's compartment of claim 1 to 9.
CN 201010172613 2010-05-05 2010-05-05 Support carrier and cab thereof Pending CN101830413A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 201010172613 CN101830413A (en) 2010-05-05 2010-05-05 Support carrier and cab thereof

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Application Number Priority Date Filing Date Title
CN 201010172613 CN101830413A (en) 2010-05-05 2010-05-05 Support carrier and cab thereof

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CN101830413A true CN101830413A (en) 2010-09-15

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109626286A (en) * 2019-01-03 2019-04-16 徐州徐工铁路装备有限公司 A kind of drill jumbo job platform ceiling turnover mechanism

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Publication number Priority date Publication date Assignee Title
CN2597241Y (en) * 2003-01-08 2004-01-07 谈浩 Carriage with movable roof
JP2004114952A (en) * 2002-09-27 2004-04-15 Kobelco Contstruction Machinery Ltd Cabin of construction machine
JP2004155224A (en) * 2002-11-01 2004-06-03 Mitsubishi Agricult Mach Co Ltd Cabin of tractor
CN2709281Y (en) * 2004-04-27 2005-07-13 吴法涛 Tractor drivers' cab
CN2918146Y (en) * 2006-01-04 2007-07-04 煤炭科学研究总院太原分院 Explosion-proof type bracket conveying vehicle for coal mine
CN200985050Y (en) * 2006-12-22 2007-12-05 马鹰 Combination type medium and small wheeled type tractor steering room
CN201133407Y (en) * 2007-10-25 2008-10-15 讯凯国际股份有限公司 Elastic fastener
CN201170250Y (en) * 2007-12-20 2008-12-24 贵州航天乌江科技有限责任公司 Cover plate anti-drop connecting screw
CN201738952U (en) * 2010-05-05 2011-02-09 三一重型装备有限公司 Bracket transporting vehicle and driving cab thereof

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004114952A (en) * 2002-09-27 2004-04-15 Kobelco Contstruction Machinery Ltd Cabin of construction machine
JP2004155224A (en) * 2002-11-01 2004-06-03 Mitsubishi Agricult Mach Co Ltd Cabin of tractor
CN2597241Y (en) * 2003-01-08 2004-01-07 谈浩 Carriage with movable roof
CN2709281Y (en) * 2004-04-27 2005-07-13 吴法涛 Tractor drivers' cab
CN2918146Y (en) * 2006-01-04 2007-07-04 煤炭科学研究总院太原分院 Explosion-proof type bracket conveying vehicle for coal mine
CN200985050Y (en) * 2006-12-22 2007-12-05 马鹰 Combination type medium and small wheeled type tractor steering room
CN201133407Y (en) * 2007-10-25 2008-10-15 讯凯国际股份有限公司 Elastic fastener
CN201170250Y (en) * 2007-12-20 2008-12-24 贵州航天乌江科技有限责任公司 Cover plate anti-drop connecting screw
CN201738952U (en) * 2010-05-05 2011-02-09 三一重型装备有限公司 Bracket transporting vehicle and driving cab thereof

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109626286A (en) * 2019-01-03 2019-04-16 徐州徐工铁路装备有限公司 A kind of drill jumbo job platform ceiling turnover mechanism

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Application publication date: 20100915