CN202300180U - Staircase and cab - Google Patents

Staircase and cab Download PDF

Info

Publication number
CN202300180U
CN202300180U CN2011203340878U CN201120334087U CN202300180U CN 202300180 U CN202300180 U CN 202300180U CN 2011203340878 U CN2011203340878 U CN 2011203340878U CN 201120334087 U CN201120334087 U CN 201120334087U CN 202300180 U CN202300180 U CN 202300180U
Authority
CN
China
Prior art keywords
stair
cab
pedal
drivers
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.)
Expired - Fee Related
Application number
CN2011203340878U
Other languages
Chinese (zh)
Inventor
肖峰
刘阳样
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.)
ZOOMLION MATERIAL HANDLING EQUIPMENT CO Ltd
Original Assignee
ZOOMLION MATERIAL HANDLING 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 ZOOMLION MATERIAL HANDLING EQUIPMENT CO Ltd filed Critical ZOOMLION MATERIAL HANDLING EQUIPMENT CO Ltd
Priority to CN2011203340878U priority Critical patent/CN202300180U/en
Application granted granted Critical
Publication of CN202300180U publication Critical patent/CN202300180U/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Images

Landscapes

  • Ladders (AREA)

Abstract

The utility model discloses a staircase (10), wherein the staircase includes pedals (1) and opposite staircase beams on the two sides (2), wherein the staircase beams on the two sides (2) respectively include a plurality of staircase beams (2a) arranged in parallel and at intervals; the pedals (1) are arranged in parallel between the staircase beams on the two sides (2); and the two sides of the pedals (1) are rotationally connected with the plurality of staircase beams (2a) on the same side; and the upper end of each staircase beam (2a) is a pivot end, and the plane where the pivot end is located is parallel to each pedal (1). The utility model further discloses a cab provided with the staircase. The pedals of the staircase can be automatically adjusted to be horizontal, so that an operator can get on and get off the cab conveniently.

Description

Stair and drivers' cab
Technical field
The utility model relates to engineering machinery, particularly, relates to a kind of stair and the 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 20 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.
The utility model content
The purpose of the utility model provides a kind of stair and the drivers' cab with these stair, and 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; The one side of the utility model 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.
The utility model a kind of drivers' cab is provided on the other hand, this drivers' cab is installed on the jib, this drivers' cab comprises the bottom that is connected said drivers' cab and the stair between the said jib, 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; The stair of the utility model 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 feature and advantage of the utility model will partly specify in the specific embodiment subsequently.
Description of drawings
Accompanying drawing is the further understanding that is used to provide the utility model, and constitutes the part of manual, is used to explain the utility model with the following specific embodiment, but does not constitute the restriction to the utility model.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 stair of the self-adjusting drivers' cab of the utility model;
Fig. 8 is the lateral view of stair when jib is in level of the self-adjusting drivers' cab of the utility model;
Fig. 9 is the lateral view of stair when jib is in downward-sloping state of the self-adjusting drivers' cab of the utility model;
Figure 10 is the lateral view of stair when jib is in acclivitous state of the self-adjusting drivers' cab of the utility model.
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 specific embodiment of accompanying drawing to the utility model.Should be understood that the specific embodiment described herein only is used for explanation and explains the utility model, is not limited to the utility model.
In the utility model, not do 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; The one side of the utility model 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.
The stair 10 of the utility model can be installed on the device that jib, self-adjusting drivers' cab etc. can move; Because the upper end of stair 10 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 10 normally use.In addition; Because pedal 1 can be rotationally connected through variety of way and parts with many terraced beam 2a that are positioned at homonymy; Make that when jib, self-adjusting drivers' cab etc. moves pedal 1 can be adjusted automatically, and all the time with the plane keeping parallelism at place, the upper end of many terraced beam 2a.Therefore, under user mode, the plane at place, the upper end of many terraced beam 2a is traditionally arranged to be horizontal plane, and then pedal 1 also correspondingly remains horizontal plane, makes that the use of stair 10 is more convenient, safety, makes things convenient for about the user.
Because the both sides of stair 10 all can be provided with the terraced beam more than two; Thereby being connected many pedals 1 between the terraced beam 2a can rotate along with the motion of many terraced beam 2a; As shown in Figure 7, preferably, said both sides ladder beam 2 comprises two terraced beams 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; Each side in the ladder beam 2 of both sides comprises two terraced beams 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 beams.
In addition; In order to strengthen the structural strength of stair 10, each side in the ladder beam 2 of both sides also can comprise three terraced beams that parallel interval is provided with, thus the bonding strength between three terraced beams of reinforcement pedal 1 and both sides ladder beam 2; Make staircase structure more firm, bearing capacity is bigger.
Stair 10 can be set to different length according to the use needs, and are as shown in Figure 7, and preferably, said pedal 1 is a polylith, and said polylith pedal 1 is provided with in parallel to each other at interval.According to the use needs; Ladders beam 2 in both sides has corresponding length, thereby pedal 1 is confirmed the quantity of pedal 1 to be generally polylith according to suitable interval height between the length of both sides ladder beam 2 and the pedal 1; Make that the ladder height of stair 10 is suitable; Make things convenient for about the user, and comfort level is better, practicality is higher.Because polylith pedal 1 is parallel to each other, the plane parallel that therefore can keep every pedal 1 all to belong to the upper end of many terraced beam 2a, more convenient thereby the user uses.
Because polylith pedal 1 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 a kind of embodiment of the utility model, 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 the another kind of embodiment of the utility model, 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 utility model, 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 purpose of the utility model.
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 10, 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 a terraced beam of the top of many terraced beam 2a), 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; The utility model a kind of drivers' cab 100 is provided on the other hand, 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; Wherein, said stair 10 are stair 10 recited above.
The drivers' cab 100 of the utility model 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 200 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.
Stair 10 are along with drivers' cab 100 motion for ease, and are as shown in Figure 7, preferably, the upper end of many terraced beam 2a of said stair 10 respectively with the bottom-hinged of said drivers' cab 100.Because needing to keep the pedal 1 of stair 10 is horizontal plane, thereby the face at the pin joint of the bottom of the upper end of many terraced beam 2a of stair 10 and drivers' cab 100 place is a horizontal plane.When drivers' cab 100 motion, many terraced beam 2a can rotate accordingly, thereby adjust the position and the shape of stair 10 automatically, the operating personnel that guarantee drivers' cab 100 through stair 10 convenience, cosily about.
Stair 10 move along with the motion of jib 200 for ease, and preferably, at least one lower end and said jib 200 among the many terraced beam 2a of said stair 10 are slidingly connected.When jib 200 motions; For position and the shape of adjusting stair 10 makes it be adapted to drivers' cab 100 and jib 200; Sliding on jib 200 at least one lower end of many terraced beam 2a of stair 10, makes correspondingly adjustment, thereby guarantee that drivers' cab is 100 normal, safety, cosily use.
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 the preferred implementation of the utility model in detail; But; The utility model is not limited to the detail in the above-mentioned embodiment; In the technical conceive scope of the utility model, can carry out multiple simple variant to the technical scheme of the utility model, these simple variant all belong to the protection domain of the utility model.
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 utility model 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 utility model, as long as its thought without prejudice to the utility model, it should be regarded as content disclosed in the utility model 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 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).
CN2011203340878U 2011-09-07 2011-09-07 Staircase and cab Expired - Fee Related CN202300180U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2011203340878U CN202300180U (en) 2011-09-07 2011-09-07 Staircase and cab

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2011203340878U CN202300180U (en) 2011-09-07 2011-09-07 Staircase and cab

Publications (1)

Publication Number Publication Date
CN202300180U true CN202300180U (en) 2012-07-04

Family

ID=46369102

Family Applications (1)

Application Number Title Priority Date Filing Date
CN2011203340878U Expired - Fee Related CN202300180U (en) 2011-09-07 2011-09-07 Staircase and cab

Country Status (1)

Country Link
CN (1) CN202300180U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102383720A (en) * 2011-09-07 2012-03-21 中联重科物料输送设备有限公司 Stair and cab

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102383720A (en) * 2011-09-07 2012-03-21 中联重科物料输送设备有限公司 Stair and cab

Similar Documents

Publication Publication Date Title
CN102383720A (en) Stair and cab
KR101248639B1 (en) Level balanced platform lifting utility
EP2865842B1 (en) Method for controlling an articulated turntable ladder of a rescue vehicle
CN105000482B (en) Tower crane with walking mechanism
CN103072926A (en) High-altitude maintenance platform for mining tunnel
CN107398019A (en) A kind of liftable Succor plain stage
CN210950525U (en) Movable type construction machinery equipment mounting base capable of leveling
CN209177959U (en) A kind of aerial working platform chassis
JP2009046120A (en) Maintenance work vehicle for working along aerial ropeway of mechanical lift machine
CN102900442A (en) Boom system, wet spraying machine and engineering machine with boom system
CN206187142U (en) Carrying device based on focus adjustment mechanism
CN202300180U (en) Staircase and cab
CN104260646B (en) Angle adjusting mechanism for seat, seat and overhead working truck
CN106542444A (en) A kind of moment of flexure reduction structure set up in tower body revolution
CN205858383U (en) The guiding mechanism of bow member chassis mechanical hand and bow member chassis
CN205577376U (en) Two saddles construction lift platform
CN204823919U (en) Tower crane
KR20150107535A (en) Agricultural eco-friendly electric aerial lift
CN202968038U (en) Mine tunnel high-altitude overhaul platform
CN203925345U (en) A kind of self adaptation suspension ring tilting mechanism
CN215667016U (en) Hydraulic drive shears-fork type aerial work platform
CN205805589U (en) The levelling gear of bow member chassis workbench and bow member chassis
KR102180791B1 (en) Multi-joint Walking Robot With Six Legs and Its Control Method
CN103523682A (en) Luffing jib tower crane
US20220356050A1 (en) Mobile crane

Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20120704

Termination date: 20140907

EXPY Termination of patent right or utility model