CN102383720A - Stair and cab - Google Patents
Stair and cab Download PDFInfo
- Publication number
- CN102383720A CN102383720A CN2011102632676A CN201110263267A CN102383720A CN 102383720 A CN102383720 A CN 102383720A CN 2011102632676 A CN2011102632676 A CN 2011102632676A CN 201110263267 A CN201110263267 A CN 201110263267A CN 102383720 A CN102383720 A CN 102383720A
- Authority
- CN
- China
- Prior art keywords
- stair
- cab
- drivers
- pedal
- beams
- 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
Links
Images
Abstract
The invention discloses a stair (10), which comprises pedals (1) and stair beams (2) oppositely arranged on two sides. Each stair beam (2) comprises a plurality of beams (2a) which are parallelly arranged at intervals, the pedals (1) are horizontally arranged between the stair beams (2) arranged on the two sides, two sides of the pedals (1) are respectively and rotatably connected with the plurality of beams (2a) on the same sides, the upper ends of the plurality of beams (2a) are pivoting ends, and the plane where the plurality of beams (2a) are located is parallel to the pedals (1). The invention further discloses a cab with the stair. The pedals of the stair can be automatically adjusted and keep horizontal, thereby being convenient for operators to go up and down the cab.
Description
Technical field
The present invention relates to engineering machinery, particularly, relate to a kind of stair and drivers' cab with these stair.
Background technology
Usually; On large-scale mobile devices such as ship loader, ship unloaders, stacker-reclaimer, crane and container bridge, being provided with can self-adjusting drivers' cab; This drivers' cab is the operator's of various device workplace, is used for protecting the driver to avoid the influence of environment and protection operator's safety.Self-adjusting drivers' cab operated by rotary motion is on the jib of large-scale mobile device; When the jib of large-scale mobile device rotates; Self-adjusting drivers' cab can move with respect to jib through hydraulic cylinder; Thereby make drivers' cab remain level, thereby be convenient to position that the operator observed weight or container etc. and control.
The operator passes in and out drivers' cab for ease, between drivers' cab and jib, is provided with stair.Usually, the mounting means of stair has two kinds:
1, stair 10 are fixedly supported on (shown in Fig. 1-3) on the jib 200 with certain angle of inclination; The relative position of can not be along with the rotation of the jib 200 corresponding adjustment of this stair 10 and drivers' cab 100; Can cause the stair 10 and the junction of drivers' cab 100 to break away from; Make the operator can not be easily drivers' cab 100 up and down, even bring potential safety hazard, thereby seldom adopted this mounting means now;
2, employing is hinged between the bottom of stair 10 upper ends and drivers' cab 100; Adopt between stair 10 lower ends and the jib 200 be slidingly connected (shown in Fig. 4-6); Drivers' cab 100 can move with respect to jib 200 through hydraulic cylinder 30 along with the rotation of jib 200; Thereby make drivers' cab 100 remain level, stair 10 are along with the rotation of jib 200 can corresponding adjustment and the relative position of drivers' cab 100, make the operator can be easily drivers' cab 100 up and down.Because the adjustable of second kind of mounting means, on existing large-scale mobile device, stair generally adopt this kind mounting means.
Though the stair 10 whole meetings of second kind of installation form adjusted the position accordingly along with the rotation of jib 200; But the pedal 1 of stair 10 can not be adjusted the position of self accordingly; Can cause forming between pedal 1 and the horizontal plane certain angle; Thereby drivers' cab is made troubles about giving operating personnel, even bring out potential safety hazard.
Therefore, need a kind of stair and the drivers' cab with these stair, the pedal of these stair can be adjusted automatically, makes pedal along with the rotation of jib remains level.
Summary of the invention
The purpose of this invention is to provide a kind of stair and the drivers' cab with these stair, the pedal of these stair can be adjusted automatically, and the maintenance level, and the handled easily person is drivers' cab up and down.
To achieve these goals; One side of the present invention provides a kind of stair, and these stair comprise pedal and the both sides ladder beam that is oppositely arranged, wherein; Said both sides ladder beam comprises the many terraced beams that parallel interval is provided with respectively; Said pedal is horizontally set between the ladder beam of said both sides, and the both sides of said pedal all are connected with the said many terraced beams that are positioned at homonymy respectively rotationally, and the upper end of said many terraced beams is that the plane parallel at hub switch side and place is in said pedal.
Preferably, the terraced beam in said both sides comprises two terraced beams that parallel interval is provided with respectively.
Preferably, said pedal is a polylith, and said polylith pedal is provided with in parallel to each other at interval.
Preferably, said polylith pedal is provided with equably at interval.
Preferably, the both sides of said pedal are hinged with the said many terraced beams that are positioned at homonymy respectively.
Preferably, the both sides of said pedal respectively with the said many terraced beam ball-joints that are positioned at homonymy.
Preferably, the both sides of said pedal are connected through bearing pin with the said many terraced beams that are positioned at homonymy respectively.
Preferably, the both sides of said pedal are connected through bearing with the said many terraced beams that are positioned at homonymy respectively.
Preferably, said stair also comprise two handrails that are oppositely arranged, and these two handrails are separately positioned on the ladder beam of said both sides.
Preferably, at least one lower end in the said many terraced beams is a sliding end.
Preferably, at least one lower end in the said many terraced beams is provided with roller.
Another aspect of the present invention provides a kind of drivers' cab, and this drivers' cab is installed on the jib, and this drivers' cab comprises the bottom that is connected said drivers' cab and the stair between the said jib, and wherein, said stair are stair recited above.
Preferably, the upper end of many terraced beams of said stair respectively with the bottom-hinged of said drivers' cab.
Preferably, at least one lower end and the said jib in many of said stair terraced beams is slidingly connected.
Preferably, at least one lower end in many of said stair terraced beams is slidingly connected through roller and said jib.
Preferably, said drivers' cab comprises hydraulic cylinder, and this hydraulic cylinder is connected between the bottom and said jib of said drivers' cab.
Pass through technique scheme; Stair of the present invention can be installed on the device that jib, self-adjusting drivers' cab etc. can move; Because the upper end of stair has the hub switch side; Thereby stair can the relative motion along with the motion of jib, self-adjusting drivers' cab etc., guarantees that stair normally use.In addition; Because pedal can be rotationally connected through variety of way and parts with many terraced beams that are positioned at homonymy; Make that when jib, self-adjusting drivers' cab etc. moves pedal can be adjusted automatically, and all the time with the plane keeping parallelism at place, the upper end of many terraced beams.Therefore, under user mode, the plane at place, the upper end of many terraced beams is traditionally arranged to be horizontal plane, and then pedal also correspondingly remains horizontal plane, makes that the use of stair is more convenient, safety, makes things convenient for about the user.
Other features and advantages of the present invention will partly specify in the specific embodiment subsequently.
Description of drawings
Accompanying drawing is to be used to provide further understanding of the present invention, and constitutes the part of manual, is used to explain the present invention with the following specific embodiment, but is not construed as limiting the invention.In the accompanying drawings:
Fig. 1 is the lateral view of stair when jib is in level of a kind of mounting means of prior art;
Fig. 2 is the lateral view of stair when jib is in downward-sloping state of a kind of mounting means of prior art;
Fig. 3 is the lateral view of stair when jib is in acclivitous state of a kind of mounting means of prior art;
Fig. 4 is the lateral view of stair when jib is in level of the another kind of mounting means of prior art;
Fig. 5 is the lateral view of stair when jib is in downward-sloping state of the another kind of mounting means of prior art;
Fig. 6 is the lateral view of stair when jib is in acclivitous state of the another kind of mounting means of prior art;
Fig. 7 is the lateral view of the stair of self-adjusting drivers' cab of the present invention;
Fig. 8 is the lateral view of stair when jib is in level of self-adjusting drivers' cab of the present invention;
Fig. 9 is the lateral view of stair when jib is in downward-sloping state of self-adjusting drivers' cab of the present invention;
Figure 10 is the lateral view of stair when jib is in acclivitous state of self-adjusting drivers' cab of the present invention.
Description of reference numerals
1 pedal, 2 both sides ladder beam
3 handrails, 4 rollers
Many terraced beam 10 stair of 2a
20 hydraulic cylinders, 100 drivers' cabs
200 jibs
The specific embodiment
Be elaborated below in conjunction with the accompanying drawing specific embodiments of the invention.Should be understood that the specific embodiment described herein only is used for explanation and explains the present invention, is not limited to the present invention.
In the present invention, do not doing under the situation of opposite explanation, the noun of locality of use typically refers to higher position or the lower position of stair under user mode like " upper and lower ".
As shown in Figure 7; One side of the present invention provides a kind of stair 10, and these stair 10 comprise pedal 1 and the both sides ladder beam 2 that is oppositely arranged, wherein; Said both sides ladder beam 2 comprises the many terraced beam 2a that parallel interval is provided with respectively; Said pedal 1 is horizontally set between the ladder beam 2 of said both sides, and the both sides of said pedal 1 all are connected with the said many terraced beam 2a that are positioned at homonymy respectively rotationally, and the upper end of said many terraced beam 2a is that the plane parallel at hub switch side and place is in said pedal 1.
Because the both sides of stair 10 all can be provided with the terraced beam 2a more than two; Thereby the pedal 2 that is connected between the terraced beam 2a can rotate along with the motion of terraced beam 2a; As shown in Figure 7, preferably, said both sides ladder beam 2 comprises two terraced beam 2a that parallel interval is provided with respectively.Because from processing technology and practice; Relatively be not easy conllinear more than 3 and 3 during fabrication; So in order to realize the rotation of pedal 1 easily, easily; Every side ladder beam 2 comprises two terraced beam 2a that parallel interval is provided with, and makes pedal 1 to adjust automatically, the plane parallel at the place, upper end of maintenance and two terraced beam 2a.
In addition, in order to strengthen the structural strength of stair 10, every side ladder beam 2 also can comprise three terraced beam 2a that parallel interval is provided with, thereby the bonding strength between three terraced beam 2a of reinforcement pedal 1 and both sides ladder beam 2 makes staircase structure more firm, and bearing capacity is bigger.
Because polylith pedal 2 is provided with continuously at interval, preferably, said polylith pedal 1 is provided with equably at interval.Spacing between the polylith pedal 1 (being the interval height between the adjacent pedal 1) equates that the user can walk with the paces that equate, and is easy to use, safe and comfortable when stair activity 10, improved the practicality of stair 10.
Because pedal 1 can be connected with many that are positioned at homonymy terraced beam 2a through variety of way, and it can be rotated, preferably, the both sides of said pedal 1 are hinged with the said many terraced beam 2a that are positioned at homonymy respectively.According to one embodiment of the present invention, it is hinged with many terraced beam 2a that pedal 1 can pass through hinge, articulated joint or bulb etc., and connection is simple, convenient, sound construction, and pedal 1 rotates flexible, easy for installation.
In order to strengthen the bonding strength between pedal 1 and the Duo Gen ladder beam 2a, improve the rotation flexibility and the slewing area of pedal 1, more preferably, the both sides of said pedal 1 respectively with the said many terraced beam 2a ball-joint that is positioned at homonymy.Both sides at pedal 1 are provided with a plurality of bulbs respectively; On many terraced beam 2a, be provided with and the corresponding a plurality of ball cups of a plurality of bulbs respectively; Bulb is contained in the corresponding ball cup and therein and rotates; Thereby the formation ball-joint makes that pedal 1 can the corresponding rotation along with the motion of many terraced beam 2a, and then adjusts the plane of self.
In order to simplify the connection between pedal 1 and the Duo Gen ladder beam 2a, according to another embodiment of the invention, preferably, the both sides of said pedal 1 are connected through bearing pin with the said many terraced beam 2a that are positioned at homonymy respectively.Both sides at pedal 1 are respectively arranged with bearing pin, and this bearing pin can be various forms of bearing pins, for example cottor pin, and bearing pin and pedal 1 can be integrally formed or welding etc.Be formed with the hole corresponding on the many terraced beam 2a, thereby being rotationally connected of realization pedal 1 and Duo Gen ladder beam 2a makes and assembles the easy to process of pedal 1 and Duo Gen ladder beam 2a simply that cost is lower with bearing pin.
According to another embodiment of the present invention, preferably, the both sides of said pedal 1 are connected through bearing with the said many terraced beam 2a that are positioned at homonymy respectively.Bearing can adopt sliding bearing, rolling bearing or ball bearing etc., make pedal 1 and Duo Gen ladder beam 2a be rotationally connected, thereby the friction between them is littler, rotates more flexible.
As stated, the various modes that are rotationally connected between pedal 1 and the Duo Gen ladder beam 2a, they can be used for a kind of staircase structure separately, also can be used for a kind of staircase structure with the mode of combination, all can as long as can realize the object of the invention.
Stair activity for the convenience of the users, shown in Fig. 8-10, preferably, said stair 10 also comprise two handrails 3 that are oppositely arranged, these two handrails 3 are separately positioned on the ladder beam 2 of said both sides.Be provided with handrail 3 accordingly on the both sides ladders beam 2, can buttress handrail 3 when making user's stair activity 10, under the situation particularly highly higher, that gradient is bigger at stair 3, made things convenient for the user about, and guaranteed user's safety.
Because stair 10 in most cases can move, preferably, at least one lower end among the said many terraced beam 2a is a sliding end.The lower end operated by rotary motion of many terraced beam 2a is on ground or horizontal plane, and when stair 10 move, correspondingly slide on ground or horizontal plane in the lower end of many terraced beam 2a, thereby adapts to the position and the shape of ground adjustment stair 10, makes its use more convenient.
In order to reduce the friction between sliding end and ground or the horizontal plane, as shown in Figure 7, preferably, at least one lower end among the said many terraced beam 2a is provided with roller 4.When stair 10 motions, sliding through roller 4 automatically in the lower end of many terraced beam 2a, do not need artificial operation and control, and frictional force is less, slides smoothly.Roller 4 can only be provided with one (being preferably disposed on the lower end of terraced beam 2a topmost), also can be set to a plurality ofly, makes things convenient for the adjustment of stair 10 positions and shape all can.
Shown in Fig. 8-10; Another aspect of the present invention provides a kind of drivers' cab 100, and this drivers' cab 100 is installed on the jib 200, and this drivers' cab 100 comprises the bottom that is connected said drivers' cab 100 and the stair 10 between the said jib 200; Wherein, said stair 10 are stair 10 recited above.
Drivers' cab 100 of the present invention is generally self-adjusting drivers' cab, and drivers' cab 100 can be adjusted into level automatically along with the motion of jib 200, thereby guarantees the operating personnel's of drivers' cab 100 inside safety.Because stair 10 are connected between the bottom and jib 200 of drivers' cab 100; When jib 100 moves and drivers' cab 100 when adjusting the position accordingly; Stair 10 can move accordingly and adjust its position and shape automatically; Make stair 10 still be connected between the bottom and jib 200 of drivers' cab 100, and the pedal 1 of stair 10 and the bottom surface keeping parallelism of drivers' cab 100, promptly pedal 1 remains horizontal plane.Therefore, the operating personnel of drivers' cab 100 can through stair 10 easily about, and safety is higher, and is more steady up and down.
Slide on jib 200 at least one lower end among many of stair 10 terraced beam 2a for ease, and shown in Fig. 8-10, preferably, at least one lower end among the many terraced beam 2a of said stair 10 is slidingly connected through roller 4 and said jib 200.The setting of roller 4 has reduced the friction between many terraced beam 2a and the jib 200, makes that the motion of stair 10 is steady, and need be by the operation of manual work, and time saving and energy saving, practicality is stronger.
Can adjust automatically and keep being horizontally disposed with owing to drivers' cab 100, shown in Fig. 8-10, preferably, said drivers' cab 100 comprises hydraulic cylinder 20, and this hydraulic cylinder 20 is connected between the bottom and said jib 200 of said drivers' cab 100.When jib 200 moved, drivers' cab 100 was adjusted its position automatically through hydraulic cylinder 20, made drivers' cab 100 remain level, made things convenient for its inner operating personnel's operation, and had guaranteed operating personnel's safety.
More than combine accompanying drawing to describe preferred implementation of the present invention in detail; But; The present invention is not limited to the detail in the above-mentioned embodiment; In technical conceive scope of the present invention, can carry out multiple simple variant to technical scheme of the present invention, these simple variant all belong to protection scope of the present invention.
Need to prove in addition; Each concrete technical characterictic described in the above-mentioned specific embodiment under reconcilable situation, can make up through any suitable manner; For fear of unnecessary repetition, the present invention is to the explanation no longer separately of various possible compound modes.
In addition, also can carry out combination in any between the various embodiment of the present invention, as long as it is without prejudice to thought of the present invention, it should be regarded as the disclosed content of the present invention equally.
Claims (16)
1. stair (10); The both sides ladder beam (2) that these stair (10) comprise pedal (1) and are oppositely arranged; It is characterized in that said both sides ladder beams (2) comprise the many terraced beams (2a) that parallel interval is provided with respectively, said pedal (1) is horizontally set between the said both sides ladder beams (2); And the both sides of said pedal (1) all are connected with the said many terraced beams (2a) that are positioned at homonymy respectively rotationally, and the upper end of said many terraced beams (2a) is that the plane parallel at hub switch side and place is in said pedal (1).
2. stair according to claim 1 (10) is characterized in that, said both sides ladder beams (2) comprise two terraced beams (2a) that parallel interval is provided with respectively.
3. stair according to claim 1 (10) is characterized in that, said pedal (1) is a polylith, and said polylith pedal (1) is provided with in parallel to each other at interval.
4. stair according to claim 3 (10) is characterized in that, said polylith pedal (1) is provided with equably at interval.
5. according to any described stair (10) among the claim 1-4, it is characterized in that the both sides of said pedal (1) are hinged with the said many terraced beams (2a) that are positioned at homonymy respectively.
6. stair according to claim 5 (10) is characterized in that, the both sides of said pedal (1) respectively with said many terraced beams (2a) ball-joint that is positioned at homonymy.
7. according to any described stair (10) among the claim 1-4, it is characterized in that the both sides of said pedal (1) are connected through bearing pin with the said many terraced beams (2a) that are positioned at homonymy respectively.
8. according to any described stair (10) among the claim 1-4, it is characterized in that the both sides of said pedal (1) are connected through bearing with the said many terraced beams (2a) that are positioned at homonymy respectively.
9. stair according to claim 1 (10) is characterized in that, these stair (10) also comprise two handrails (3) that are oppositely arranged, and these two handrails (3) are separately positioned on the said both sides ladder beams (2).
10. stair according to claim 1 (10) is characterized in that, at least one lower end in the said many terraced beams (2a) is a sliding end.
11. stair according to claim 11 (10) is characterized in that, at least one lower end in the said many terraced beams (2a) is provided with roller (4).
A 12. drivers' cab (100); This drivers' cab (100) is installed on the jib (200); This drivers' cab (100) comprises the bottom that is connected said drivers' cab (100) and the stair (10) between the said jib (200); It is characterized in that said stair (10) are according to any described stair (10) among the claim 1-11.
13. drivers' cab according to claim 12 (100) is characterized in that, the upper end of the many terraced beams (2a) of said stair (10) respectively with the bottom-hinged of said drivers' cab (100).
14. drivers' cab according to claim 12 (100) is characterized in that, at least one lower end and said jib (200) in the many terraced beams (2a) of said stair (10) are slidingly connected.
15. drivers' cab according to claim 14 (100) is characterized in that, at least one lower end in the many terraced beams (2a) of said stair (10) is slidingly connected through roller (4) and said jib (200).
16. drivers' cab according to claim 12 (100) is characterized in that, this drivers' cab (100) comprises hydraulic cylinder (20), and this hydraulic cylinder (20) is connected between the bottom and said jib (200) of said drivers' cab (100).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2011102632676A CN102383720A (en) | 2011-09-07 | 2011-09-07 | Stair and cab |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2011102632676A CN102383720A (en) | 2011-09-07 | 2011-09-07 | Stair and cab |
Publications (1)
Publication Number | Publication Date |
---|---|
CN102383720A true CN102383720A (en) | 2012-03-21 |
Family
ID=45823508
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN2011102632676A Pending CN102383720A (en) | 2011-09-07 | 2011-09-07 | Stair and cab |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN102383720A (en) |
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102817553A (en) * | 2012-08-31 | 2012-12-12 | 江苏振东港口机械制造有限公司 | Ladder rail system of crane |
CN106395407A (en) * | 2016-10-10 | 2017-02-15 | 中国神华能源股份有限公司 | Pitching arm with operation chamber and material taking machine |
CN106592497A (en) * | 2016-12-01 | 2017-04-26 | 张铁民 | Boarding platform |
CN107140335A (en) * | 2017-06-26 | 2017-09-08 | 遵义师范学院 | A kind of container house with adjusting stairs |
CN108609307A (en) * | 2016-12-09 | 2018-10-02 | 扬州中集通华专用车有限公司 | Tank case and its cat ladder |
CN110453857A (en) * | 2019-08-30 | 2019-11-15 | 金螳螂精装科技(苏州)有限公司 | A kind of design stair closing in mounting structure and closing method |
CN108609307B (en) * | 2016-12-09 | 2024-05-03 | 扬州中集通华专用车有限公司 | Tank and ladder thereof |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3469654A (en) * | 1968-01-12 | 1969-09-30 | Charles A Dohrman | Retractable folding steps |
CN2519007Y (en) * | 2001-12-04 | 2002-10-30 | 宝鸡宝石特种车辆有限责任公司 | Special ladder mounted on side door of vehicle for use in oil field |
CN201442806U (en) * | 2009-07-04 | 2010-04-28 | 山东起重机厂有限公司 | Mobile operator cabin device of crane |
CN202300180U (en) * | 2011-09-07 | 2012-07-04 | 中联重科物料输送设备有限公司 | Staircase and cab |
-
2011
- 2011-09-07 CN CN2011102632676A patent/CN102383720A/en active Pending
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3469654A (en) * | 1968-01-12 | 1969-09-30 | Charles A Dohrman | Retractable folding steps |
CN2519007Y (en) * | 2001-12-04 | 2002-10-30 | 宝鸡宝石特种车辆有限责任公司 | Special ladder mounted on side door of vehicle for use in oil field |
CN201442806U (en) * | 2009-07-04 | 2010-04-28 | 山东起重机厂有限公司 | Mobile operator cabin device of crane |
CN202300180U (en) * | 2011-09-07 | 2012-07-04 | 中联重科物料输送设备有限公司 | Staircase and cab |
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102817553A (en) * | 2012-08-31 | 2012-12-12 | 江苏振东港口机械制造有限公司 | Ladder rail system of crane |
CN106395407A (en) * | 2016-10-10 | 2017-02-15 | 中国神华能源股份有限公司 | Pitching arm with operation chamber and material taking machine |
CN106395407B (en) * | 2016-10-10 | 2018-10-16 | 中国神华能源股份有限公司 | Pitch arm with operating room and reclaimer |
CN106592497A (en) * | 2016-12-01 | 2017-04-26 | 张铁民 | Boarding platform |
CN108609307A (en) * | 2016-12-09 | 2018-10-02 | 扬州中集通华专用车有限公司 | Tank case and its cat ladder |
CN108609307B (en) * | 2016-12-09 | 2024-05-03 | 扬州中集通华专用车有限公司 | Tank and ladder thereof |
CN107140335A (en) * | 2017-06-26 | 2017-09-08 | 遵义师范学院 | A kind of container house with adjusting stairs |
CN110453857A (en) * | 2019-08-30 | 2019-11-15 | 金螳螂精装科技(苏州)有限公司 | A kind of design stair closing in mounting structure and closing method |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN102383720A (en) | Stair and cab | |
EP2865842B1 (en) | Method for controlling an articulated turntable ladder of a rescue vehicle | |
KR101248639B1 (en) | Level balanced platform lifting utility | |
CN105000482B (en) | Tower crane with walking mechanism | |
US11299377B2 (en) | Balanced cantilevered feeding apparatus | |
CN102001593A (en) | Crane | |
JP6978836B2 (en) | Self-propelled crane | |
CN107398019A (en) | A kind of liftable Succor plain stage | |
CN103072926A (en) | High-altitude maintenance platform for mining tunnel | |
US20180282135A1 (en) | Method for transferring a tower crane | |
CN202300180U (en) | Staircase and cab | |
CN105060135A (en) | Tower crane | |
CN205858383U (en) | The guiding mechanism of bow member chassis mechanical hand and bow member chassis | |
CN204823919U (en) | Tower crane | |
CN205577376U (en) | Two saddles construction lift platform | |
CN103485812B (en) | A kind of advance support mechanism and development machine | |
CN202968038U (en) | Mine tunnel high-altitude overhaul platform | |
KR102180791B1 (en) | Multi-joint Walking Robot With Six Legs and Its Control Method | |
CN203925345U (en) | A kind of self adaptation suspension ring tilting mechanism | |
CN106168045A (en) | Hydraulic crawler excavator overturn-preventing system | |
CN109264648A (en) | A kind of aerial working platform chassis | |
CN205653095U (en) | Balanced bearing structure of crane | |
CN206068960U (en) | Pitch arm with operating room and reclaimer | |
KR102204836B1 (en) | Mini Crane | |
WO2010109255A1 (en) | Apparatus for adjusting width and height of undercarriage of passanger cage elevators |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
C12 | Rejection of a patent application after its publication | ||
RJ01 | Rejection of invention patent application after publication |
Application publication date: 20120321 |