CN207861753U - A kind of arc crane boom telescoping mechanism and the lifting equipment with the mechanism - Google Patents
A kind of arc crane boom telescoping mechanism and the lifting equipment with the mechanism Download PDFInfo
- Publication number
- CN207861753U CN207861753U CN201820208365.7U CN201820208365U CN207861753U CN 207861753 U CN207861753 U CN 207861753U CN 201820208365 U CN201820208365 U CN 201820208365U CN 207861753 U CN207861753 U CN 207861753U
- Authority
- CN
- China
- Prior art keywords
- arm
- basic arm
- telescoping mechanism
- basic
- crane boom
- 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
Links
- 230000007246 mechanism Effects 0.000 title claims abstract description 69
- 238000005452 bending Methods 0.000 claims abstract description 4
- 238000004804 winding Methods 0.000 claims description 3
- 230000001360 synchronised effect Effects 0.000 claims description 2
- 229920006395 saturated elastomer Polymers 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 3
- 238000005265 energy consumption Methods 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 230000008901 benefit Effects 0.000 description 1
- 238000012512 characterization method Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
Landscapes
- Jib Cranes (AREA)
Abstract
The utility model provides a kind of arc crane boom telescoping mechanism and the lifting equipment with the mechanism, belong to hoisting equipment field, including basic arm, telescopic arm, telescoping mechanism and locking device for fixing basic arm and telescopic arm, basic arm is arc-shaped, telescopic arm is slidably connected with basic arm, telescopic arm is slided along the bending direction of basic arm relative to basic arm, and telescopic arm is connect by telescoping mechanism with basic arm, and locking device is installed on basic arm.Arc crane boom telescoping mechanism provided by the utility model uses the basic arm of arc, allows arc crane boom telescoping mechanism to have stronger adaptability for working condition, may span across cargo and carry out lifting work, greatly improve the working efficiency of arc crane boom telescoping mechanism；Arc crane boom telescoping mechanism is saturated jointly using multiple safe protection device, security risk can be effectively eliminated, manipulation is safe and reliable, and the lifting equipment for being equipped with above-mentioned arc crane boom telescoping mechanism has stronger adaptability for working condition.
Description
Technical field
The utility model is related to hoisting equipment fields, in particular to a kind of arc crane boom telescoping mechanism and with this
The lifting equipment of mechanism.
Background technology
Arm currently used for mobile type hoisting equipment (such as front swing-machine, autocrane) is multi-joint telescoping
Formula respectively saves hoisting arm expansion and is mainly realized by hydraulic cylinder or the combining form of hydraulic cylinder and steel wire rope；Arm shape
It is in line.And the lifting equipment of this linear arm will very when needing to lift the cargo at existing cargo rear for some occasions
Hardly possible is realized.If front swing-machine is in port and pier handling container, if desired second is directly lifted across first row container
It will be unable to realize when the container of row, can only first row container first first be moved to side could lift second row container, drop
Low working efficiency.And hydraulic cylinder or hydraulic cylinder and the lazy arm telescopic mechanism of steel wire rope combining form are also more suitably applied to
The arm of rectilinear form, if arm is camber line or the linear Telescopic that would become hard to realize each joint arm of curved state.
Utility model content
The purpose of this utility model is to provide a kind of arc crane boom telescoping mechanisms, are worked with improving existing lifting equipment
Efficiency is low, using with limitation and big, the of high cost problem of quality.
The purpose of this utility model is to provide a kind of lifting equipments with the mechanism, to improve existing lifting equipment
Working efficiency is low, using with limitation and big, the of high cost problem of quality.
The utility model is realized in this way：
Based on the first above-mentioned purpose, the utility model provides a kind of arc crane boom telescoping mechanism, including basic arm, stretches
Contracting arm, telescoping mechanism and the locking device for fixing the basic arm and the telescopic arm, the basic arm is arc-shaped, described
Telescopic arm is slidably connected with the basic arm, and the telescopic arm is slided along the bending direction of the basic arm relative to the basic arm
Dynamic, the telescopic arm is connect by the telescoping mechanism with the basic arm, and the locking device is installed on the basic arm.
Arc crane boom telescoping mechanism provided by the utility model uses the basic arm and telescopic arm of arc, allows with this component
Lifting equipment have stronger adaptability for working condition, may span across cargo and carry out lifting work, greatly improve with this component
The working efficiency of lifting equipment；Gear ＆ rack structure telescoping mechanism is simple in structure, light-weight, good economy performance；Locking device, block
Coordinate with limiting device, arc crane boom and telescoping mechanism are protected jointly using multiple safe protection device, can effectively be disappeared
Except security risk, manipulation is safe and reliable.
In an embodiment of the present embodiment：The telescoping mechanism includes hydraulic motor, gear and rack, the liquid
Pressure motor is installed on the telescopic arm, and the hydraulic motor is drivingly connected the gear, and the rack is installed on the basic arm,
The gear is engaged with the rack.
In an embodiment of the present embodiment：The telescoping mechanism further includes two blocks, and two blocks are equal
It is installed on the basic arm, and two blocks are located at the both ends of the rack length direction.
In an embodiment of the present embodiment：The telescoping mechanism is set as two, and two hydraulic pressure horses pass through
Synchronous axis connection.
In an embodiment of the present embodiment：The telescopic arm is sheathed on the basic arm, the cross of the basic arm
The cross section of rectangular in cross-section, the telescopic arm is rectangular.
In an embodiment of the present embodiment：There are two sliding blocks for setting between the basic arm and the telescopic arm
Group, a sliding block group are installed on the head end of the basic arm, another described sliding block group is installed on the telescopic arm
Aft end, sliding block group described in every group include four sliding blocks, and two are installed respectively on each side wall of the basic arm and telescopic arm
The sliding block.
In an embodiment of the present embodiment：The locking device is set as multiple, multiple locking devices point
Be not installed on the upper cover plate and lower cover of the basic arm, the locking device include cylinder either the oil cylinder cylinder or
Oil cylinder is installed on the basic arm, and the output shaft end of the cylinder or oil cylinder is arranged towards the telescopic arm, the cylinder or
The center of circle of the telescopic direction of person's oil cylinder Jing Guo the basic arm winding arc.
In an embodiment of the present embodiment：The arc crane boom telescoping mechanism further includes limiting device, the limit
Position device includes multiple limiting plates, and multiple limiting plates are respectively arranged in the basic arm, and the limiting plate is located at the base
At the tail portion port of this arm, the limiting plate extends towards the center of the basic arm, and the distance that the limiting plate extends is big
In the distance between the telescopic arm and the basic arm.
In an embodiment of the present embodiment：Amplitude oil cylinder free bearing and tail free bearing, institute are provided on the basic arm
It states amplitude oil cylinder free bearing and the tail free bearing may be contained within the curved interior of the basic arm, the amplitude oil cylinder free bearing is located at institute
The middle part of basic arm is stated, the tail free bearing is located at the tail end wall of the basic arm, and the tail free bearing is located at the basic arm and sets
It is equipped with one end of the limiting device.
Based on the second above-mentioned purpose, the utility model additionally provides a kind of lifting equipment, including crane and institute as above
The arc crane boom telescoping mechanism stated, the basic arm are articulated with the crane.
The lifting equipment for being equipped with above-mentioned arc crane boom telescoping mechanism has stronger adaptability for working condition, meanwhile, this
Heavy equipment total weight is lower, and cost and energy consumption are also just lower.
Compared with prior art, advantageous effect of the utility model is：
Arc crane boom telescoping mechanism provided by the utility model uses the basic arm and telescopic arm of arc, allows with this component
Lifting equipment have stronger adaptability for working condition, may span across cargo and carry out lifting work, greatly improve with this component
The working efficiency of lifting equipment；Gear ＆ rack structure telescoping mechanism is simple in structure, light-weight, good economy performance；Locking device, block
Coordinate with limiting device, arc crane boom and telescoping mechanism are protected jointly using multiple safe protection device, can effectively be disappeared
Except security risk, manipulation is safe and reliable.
The lifting equipment for being equipped with above-mentioned arc crane boom telescoping mechanism has stronger adaptability for working condition, meanwhile, this
Heavy equipment total weight is lower, and cost and energy consumption are also just lower.
Description of the drawings
It, below will be right in order to illustrate more clearly of specific embodiment of the present invention or technical solution in the prior art
The attached drawing of required practicality is briefly described in specific implementation mode or description of the prior art, it should be apparent that, it is described below
Attached drawing be that some embodiments of the utility model are not paying creative labor for those of ordinary skill in the art
Under the premise of dynamic, other drawings may also be obtained based on these drawings.
Fig. 1 shows the schematic diagram for the arc crane boom telescoping mechanism that the utility model embodiment 1 provides；
Fig. 2 shows sectional view of the arc crane boom telescoping mechanism of the offer of the utility model embodiment 1 on the directions A-A；
Fig. 3 shows sectional view of the arc crane boom telescoping mechanism of the offer of the utility model embodiment 1 on the directions B-B；
Fig. 4 shows schematic diagram of the arc crane boom telescoping mechanism of the offer of the utility model embodiment 1 on the directions C；
Fig. 5 shows the schematic diagram for the telescoping mechanism that the utility model embodiment 1 provides.
In figure：101- basic arms；102- telescopic arms；103- telescoping mechanisms；104- locking devices；105- sliding block groups；106-
Hydraulic motor；107- gears；108- racks；109- synchronizing shafts；110- sliding blocks；111- limiting plates；112- blocks.
Specific implementation mode
The utility model is further described in detail below through specific implementation examples and in conjunction with the accompanying drawings.
To keep the purpose, technical scheme and advantage of the utility model embodiment clearer, above in conjunction with the utility model
Attached drawing in embodiment clearly and completely describes the technical scheme in the embodiment of the utility model, it is clear that retouched
The embodiment stated is the utility model a part of the embodiment, instead of all the embodiments.Usually here described in attached drawing and
The component of the utility model embodiment shown can be arranged and be designed with a variety of different configurations.
Therefore, the detailed description of above the embodiments of the present invention to providing in the accompanying drawings is not intended to limit requirement
The scope of the utility model of protection, but it is merely representative of the selected embodiment of the utility model.Based in the utility model
Embodiment, the every other embodiment that those of ordinary skill in the art are obtained without creative efforts, all
Belong to the range of the utility model protection.
It should be noted that：Similar label and letter indicate similar terms in following attached drawing, therefore, once a certain Xiang Yi
It is defined, then it further need not be defined and explained in subsequent attached drawing in a attached drawing.
In the description of the present invention, it should be understood that the term of indicating position or position relationship is based on attached drawing
Shown in orientation or positional relationship, be merely for convenience of describing the present invention and simplifying the description, rather than indicate or imply institute
The equipment or element of finger must have a particular orientation, with specific azimuth configuration and operation, therefore should not be understood as to this reality
With novel limitation.
In the present invention unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " Gu
It is fixed " etc. terms shall be understood in a broad sense, for example, it may be fixedly connected, or integral；It can be mechanical connection, can also be electricity
Connection；It can be directly connected, can also can be indirectly connected through an intermediary the connection inside two elements or two
The interaction relationship of element.For the ordinary skill in the art, above-mentioned term can be understood as the case may be
Concrete meaning in the present invention.
In the present invention unless specifically defined or limited otherwise, fisrt feature is on or below second feature
It may include that the first and second features are in direct contact, can also not be to be in direct contact but pass through it including the first and second features
Between other characterisation contact.Moreover, fisrt feature is on second feature, top and above include fisrt feature the
Right over two features and oblique upper, or be merely representative of fisrt feature level height and be higher than second feature.Fisrt feature is in the second spy
Under sign, lower section and fisrt feature included below are immediately below second feature and obliquely downward, or are merely representative of fisrt feature level
Height is less than second feature.
It should be noted that in the absence of conflict, the feature in the embodiments of the present invention and embodiment can
To be combined with each other.
Embodiment 1
Referring to figs. 1 to Fig. 5, a kind of arc crane boom telescoping mechanism 103 is present embodiments provided, including basic arm 101, flexible
Arm 102, telescoping mechanism 103 and the locking device 104 for fixing basic arm 101 and telescopic arm 102, basic arm 101 are in arc
Shape, telescopic arm 102 are slidably connected with basic arm 101, telescopic arm 102 along basic arm 101 bending direction relative to basic arm 101
Sliding, telescopic arm 102 are connect by telescoping mechanism 103 with basic arm 101, and locking device 104 is installed on basic arm 101.
Arc crane boom telescoping mechanism 103 provided in this embodiment allows tool using the basic arm 101 and telescopic arm 102 of arc
There is the lifting equipment of this component that there is stronger adaptability for working condition, may span across cargo and carry out lifting work, greatly improve tool
There is the working efficiency of this component lifting equipment；107 rack of gear, 108 structure telescoping mechanism 103 is simple in structure, light-weight, economical
Property is good；Block 112 and limiting device coordinate, using multiple safe protection device jointly to arc crane boom and telescoping mechanism 103 into
Row protection, can effectively eliminate security risk, and manipulation is safe and reliable.
Telescoping mechanism 103 includes hydraulic motor 106, gear 107 and rack 108, and hydraulic motor 106 is installed on telescopic arm
102, hydraulic motor 106 is drivingly connected gear 107, and rack 108 is installed on basic arm 101, and gear 107 is engaged with rack 108.
Telescopic arm 102 is driven using the structure of 107 rack 108 of gear, simple in structure, light-weight, good economy performance, and grasped
Control get up it is more accurate in place.
Wherein, the tail portion web position of telescopic arm 102 and basic arm 101 is provided with mounting hole, mounting hole can facilitate
Hydraulic motor 106 and gear 107 in telescoping mechanism 103 are installed；Rack 108 can be mounted in basic arm 101 or so
The axis of the inside lower position of web, rack 108 is set as arc as basic arm 101.Hoisting arm expansion only needs when working
Hydraulic motor 106 is manipulated as required.
Telescoping mechanism 103 further includes two blocks 112, and two blocks 112 are mounted on basic arm 101, and two blocks
112 are located at the both ends of 108 length direction of rack.Block 112 can limit the stroke of telescopic arm, to telescopic arm
Extreme position be defined, after gear 107 is rolled to the end of rack 108, gear 107 is contacted with block 112, at this time tooth
Wheel 107 cannot move on, and can only can protect, keep away to arc crane boom toward back rotation, the block 112 at 108 both ends of rack
Exempt from telescopic arm 102 and fall off from basic arm 101 to fall down, simultaneously, it is ensured that there is foot between telescopic arm 102 and basic arm 101
Enough connection lengths have the structural strength of safety always to ensure arc crane boom at work.
Telescoping mechanism 103 is set as two, and two hydraulic pressure Markos by synchronizing shaft 109 to be connected.Two gears 107 and tooth
Item 108 is respectively arranged in the both sides of telescopic arm 102, can be more steady when telescopic arm 102 moves, meanwhile, it is controlling
It is accurate to carry out also enhanced convenience.
Telescopic arm 102 is sheathed on basic arm 101, and the cross section of basic arm 101 is rectangular, and the cross section of telescopic arm 102 is in
Rectangle.Certainly, it is an embodiment of the present embodiment to set the cross section of basic arm 101 and telescopic arm 102 to rectangle,
The cross section of basic arm 101 and telescopic arm 102 is provided in round, ellipse or other shapes it is also possible.
There are two sliding block groups 105, a sliding block group 105 to be installed on institute for setting between basic arm 101 and telescopic arm 102
The head end of basic arm 101 is stated, another sliding block group 105 is installed on the aft end of the telescopic arm 102, every group of sliding block
Group 105 includes four sliding blocks 110, and basic arm 101 installs two sliding blocks 110 respectively on each side wall of telescopic arm 102.Sliding block
110 can form telescopic arm 102 effect supported and fixed, and setting sliding block 110 can facilitate between telescopic arm and basic arm
Opposite sliding is carried out, the sliding block 110 in 102 bottom of telescopic arm, which can be formed telescopic arm 102, to be supported, and is located at telescopic arm 102
Multiple sliding blocks 110 inside surrounding and basic arm 101 can complete the positioning to telescopic arm 102.
Locking device 104 is set as multiple, and multiple locking devices 104 are respectively arranged in the upper cover plate of basic arm 101 under
Cover board, locking device 104 include that either either oil cylinder is installed on the output of basic arm cylinder or oil cylinder to oil cylinder cylinder to cylinder
Shaft end is arranged towards telescopic arm 102, the center of circle of the telescopic direction of cylinder or oil cylinder Jing Guo 101 winding arc of basic arm.Locking
Device 104 is arc crane boom in the protective device in the flexible course of work, does not influence the normal work of arm, works as telescopic machine
Structure 103 can realize braking to telescopic arm 102 when damaging by manipulating this device, principle be locking device 104 oil cylinder or
Cylinder stretches out, and tailpiece of the piston rod suppresses 102 cover board of telescopic arm or web, and the braking to telescopic arm 102 is realized by frictional force.
Arc crane boom telescoping mechanism 103 further includes limiting device, and limiting device includes multiple limiting plates 111, multiple limits
Plate 111 is respectively arranged in basic arm 101, and limiting plate 111 is located at the tail portion port of basic arm 101, and limiting plate 111 is towards basic
The center of arm 101 extends, and the distance that limiting plate 111 extends is more than the distance between telescopic arm 102 and basic arm 101.Limit
Device is the second heavy safety guard, is fallen, is set in basic arm 101 from basic arm 101 with limiting telescopic arm 102
The upper and lower cover plates of side tail portion and left and right web position.
Amplitude oil cylinder free bearing and tail free bearing are provided on basic arm 101, amplitude oil cylinder free bearing and tail free bearing may be contained within base
The curved interior of this arm 101, amplitude oil cylinder free bearing are located at the middle part of basic arm 101, and tail free bearing is located at the tail end of basic arm 101
Wall, and tail free bearing is located at one end that basic arm 101 is provided with limiting device.
Embodiment 2
A kind of lifting equipment, including crane and arc crane boom telescoping mechanism 103 as above are present embodiments provided, substantially
Arm 101 is articulated with crane.
Lifting equipment provided in this embodiment is equipped with above-mentioned arc crane boom telescoping mechanism 103, makes it have stronger work
Condition adaptability, meanwhile, quality is small, and cost and energy consumption are also low.
The above descriptions are merely preferred embodiments of the present invention, is not intended to limit the utility model, for this
For the technical staff in field, various modifications and changes may be made to the present invention.It is all in the spirit and principles of the utility model
Within, any modification, equivalent replacement, improvement and so on should be included within the scope of protection of this utility model.
Claims (10)
1. a kind of arc crane boom telescoping mechanism, which is characterized in that including basic arm, telescopic arm, telescoping mechanism and for fixing
The locking device of basic arm and the telescopic arm is stated, the basic arm is arc-shaped, and the telescopic arm connects with basic arm sliding
It connects, the telescopic arm is slided along the bending direction of the basic arm relative to the basic arm, and the telescopic arm is stretched by described
Contracting mechanism is connect with the basic arm, and the locking device is installed on the basic arm.
2. arc crane boom telescoping mechanism according to claim 1, which is characterized in that the telescoping mechanism includes hydraulic pressure horse
It reaches, gear and rack, the hydraulic motor is installed on the telescopic arm, and the hydraulic motor is drivingly connected the gear, described
Rack is installed on the basic arm, and the gear is engaged with the rack.
3. arc crane boom telescoping mechanism according to claim 2, which is characterized in that the telescoping mechanism further includes two gears
Block, two blocks are mounted on the basic arm, and two blocks are located at the two of the rack length direction
End.
4. arc crane boom telescoping mechanism according to claim 3, which is characterized in that the telescoping mechanism is set as two,
Two hydraulic pressure horses pass through synchronous axis connection.
5. arc crane boom telescoping mechanism according to claim 1, which is characterized in that the telescopic arm is sheathed on described basic
The cross section of arm, the basic arm is rectangular, and the cross section of the telescopic arm is rectangular.
6. arc crane boom telescoping mechanism according to claim 5, which is characterized in that the basic arm and the telescopic arm it
Between setting there are two sliding block group, a sliding block group is installed on the head end of the basic arm, another described sliding block group peace
Aft end loaded on the telescopic arm, sliding block group described in every group include four sliding blocks, each side of the basic arm and telescopic arm
Two sliding blocks are installed respectively on wall.
7. arc crane boom telescoping mechanism according to claim 1, which is characterized in that the locking device is set as multiple,
Multiple locking devices are respectively arranged in the upper cover plate and lower cover of the basic arm, the locking device include cylinder or
Oil cylinder, either oil cylinder is installed on the basic arm cylinder to the cylinder or the output shaft end of oil cylinder stretches towards described
The center of circle of the telescopic direction of arm setting, the cylinder or oil cylinder Jing Guo the basic arm winding arc.
8. arc crane boom telescoping mechanism according to claim 1, which is characterized in that the arc crane boom telescoping mechanism also wraps
Limiting device is included, the limiting device includes multiple limiting plates, and multiple limiting plates are respectively arranged in the basic arm, described
Limiting plate is located at the tail portion port of the basic arm, and the limiting plate extends towards the center of the basic arm, and the limit
The distance that position plate extends is more than the distance between the telescopic arm and the basic arm.
9. arc crane boom telescoping mechanism according to claim 8, which is characterized in that be provided with luffing oil on the basic arm
Cylinder free bearing and tail free bearing, the amplitude oil cylinder free bearing and the tail free bearing may be contained within the curved interior of the basic arm, described
Amplitude oil cylinder free bearing is located at the middle part of the basic arm, and the tail free bearing is located at the tail end wall of the basic arm, and the tail is cut with scissors
Seat is located at one end that the basic arm is provided with the limiting device.
10. a kind of lifting equipment, which is characterized in that including crane and arc crane boom as described in any one of claim 1 to 9
Telescoping mechanism, the basic arm are articulated with the crane.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820208365.7U CN207861753U (en) | 2018-02-05 | 2018-02-05 | A kind of arc crane boom telescoping mechanism and the lifting equipment with the mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820208365.7U CN207861753U (en) | 2018-02-05 | 2018-02-05 | A kind of arc crane boom telescoping mechanism and the lifting equipment with the mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207861753U true CN207861753U (en) | 2018-09-14 |
Family
ID=63457622
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820208365.7U Expired - Fee Related CN207861753U (en) | 2018-02-05 | 2018-02-05 | A kind of arc crane boom telescoping mechanism and the lifting equipment with the mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207861753U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108083135A (en) * | 2018-02-05 | 2018-05-29 | 湖南中铁五新重工有限公司 | A kind of front swing-machine and lifting equipment |
| CN110228528A (en) * | 2019-07-09 | 2019-09-13 | 湖南中铁五新重工有限公司 | A kind of changeable wheelbase vehicle frame and the lifting vehicle with changeable wheelbase vehicle frame |
| CN112340303A (en) * | 2019-08-06 | 2021-02-09 | 湖北省专用汽车研究院 | Carriage detachable garbage truck colludes arm device |
| CN112546505A (en) * | 2020-12-28 | 2021-03-26 | 长沙中联消防机械有限公司 | Cantilever crane structure, cantilever crane and fire engine |
| CN112546504A (en) * | 2020-12-28 | 2021-03-26 | 长沙中联消防机械有限公司 | Cantilever crane structure, cantilever crane and fire engine |
| CN118561187A (en) * | 2024-07-31 | 2024-08-30 | 山东万世机械科技有限公司 | Telescopic boom of hoisting equipment |
-
2018
- 2018-02-05 CN CN201820208365.7U patent/CN207861753U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108083135A (en) * | 2018-02-05 | 2018-05-29 | 湖南中铁五新重工有限公司 | A kind of front swing-machine and lifting equipment |
| CN108083135B (en) * | 2018-02-05 | 2024-07-19 | 湖南中铁五新重工有限公司 | Front crane and lifting equipment |
| CN110228528A (en) * | 2019-07-09 | 2019-09-13 | 湖南中铁五新重工有限公司 | A kind of changeable wheelbase vehicle frame and the lifting vehicle with changeable wheelbase vehicle frame |
| CN112340303A (en) * | 2019-08-06 | 2021-02-09 | 湖北省专用汽车研究院 | Carriage detachable garbage truck colludes arm device |
| CN112546505A (en) * | 2020-12-28 | 2021-03-26 | 长沙中联消防机械有限公司 | Cantilever crane structure, cantilever crane and fire engine |
| CN112546504A (en) * | 2020-12-28 | 2021-03-26 | 长沙中联消防机械有限公司 | Cantilever crane structure, cantilever crane and fire engine |
| CN118561187A (en) * | 2024-07-31 | 2024-08-30 | 山东万世机械科技有限公司 | Telescopic boom of hoisting equipment |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN207861753U (en) | A kind of arc crane boom telescoping mechanism and the lifting equipment with the mechanism | |
| CN202369282U (en) | Movable crane | |
| CN202558505U (en) | Super-lift device and crane | |
| CN108516490A (en) | A kind of production Extendible dynamic formula elevator | |
| CN203558761U (en) | Hydraulic knuckle crane | |
| CN210313246U (en) | Self-balancing hoisting apparatus and fire fighting device | |
| CN212532085U (en) | Mechanical device for disassembling and assembling mine car oil cylinder | |
| CN108639976A (en) | A kind of crane and tackling system | |
| CN209193499U (en) | A kind of Multifunctional aloft-work platform | |
| CN210237041U (en) | Scissor lift with sliding tool box | |
| CN210012520U (en) | Climbing device and self-climbing crane | |
| CN202379623U (en) | Hoisting mechanism and reach stacker | |
| CN207903797U (en) | A kind of packaged type cantilever device for hoisting | |
| CN202704899U (en) | Amplitude-variation connection rod mechanism of lorry-mounted crane | |
| CN201882810U (en) | Tower crane provided with jib loading boom lateral stay cables | |
| CN214495494U (en) | Hoisting equipment | |
| CN205527307U (en) | Translation is put on shelf and hoist | |
| CN203558757U (en) | Marine amplitude invariable hydraulic crane | |
| CN116101914A (en) | Crane with crane body | |
| CN202379695U (en) | Fixed arm disassembling device | |
| CN207861746U (en) | A kind of front swing-machine and lifting equipment | |
| CN104671126A (en) | Reinforced boom frame structure of jib crane | |
| CN2668590Y (en) | Electromagnetic hydraulic grappler | |
| CN202377757U (en) | Movable-type arm removing device | |
| EP3872022A1 (en) | A telescopic boom, and a crane and a vehicle provided with the telescopic boom |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180914 Termination date: 20220205 |