CN108002251A - A kind of narrow space crane - Google Patents
A kind of narrow space crane Download PDFInfo
- Publication number
- CN108002251A CN108002251A CN201810027612.8A CN201810027612A CN108002251A CN 108002251 A CN108002251 A CN 108002251A CN 201810027612 A CN201810027612 A CN 201810027612A CN 108002251 A CN108002251 A CN 108002251A
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- China
- Prior art keywords
- subframe
- chassis
- groove
- crane
- narrow space
- Prior art date
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- 230000007246 mechanism Effects 0.000 claims abstract description 29
- 238000010276 construction Methods 0.000 abstract description 9
- 230000001151 other effect Effects 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 4
- 241000282693 Cercopithecidae Species 0.000 description 3
- 150000001875 compounds Chemical class 0.000 description 3
- 230000005484 gravity Effects 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 239000010720 hydraulic oil Substances 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 241000909536 Gobiesocidae Species 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 208000004141 microcephaly Diseases 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
- B66C23/18—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes specially adapted for use in particular purposes
- B66C23/36—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes specially adapted for use in particular purposes mounted on road or rail vehicles; Manually-movable jib-cranes for use in workshops; Floating cranes
- B66C23/365—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes specially adapted for use in particular purposes mounted on road or rail vehicles; Manually-movable jib-cranes for use in workshops; Floating cranes dismantable into smaller units for transport purposes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
- B66C23/62—Constructional features or details
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
- B66C23/62—Constructional features or details
- B66C23/84—Slewing gear
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Transportation (AREA)
- Jib Cranes (AREA)
Abstract
The invention discloses a kind of narrow space crane, belongs to crane technical field, including crawler type walking mechanism and derricking gear；Crawler type walking mechanism includes chassis frame and two Caterpillar walking wheels, chassis frame top sets chassis supporting plate, derricking gear includes subframe and turntable, turntable top is hinged crane arm, turntable side is hinged hydraulic cylinder, hydraulic cylinder top is hinged with bottom in the middle part of crane arm, and subframe upper surface sets four supporting legs；Subframe bottom sets four positioning pins, and chassis splint upper surface sets location hole；Subframe both sides are symmetrical arranged four grooves one, set groove two on the supporting plate of chassis, screw tip sequentially passes through groove two, groove is fixed by nut in the lump.Crawler type walking mechanism and derricking gear in the present invention can be separated in construction, it is common to complete walking, transport, lifting plus hanging basket working at height, and tighten together again after the completion of constructing, continue to complete other effects, it is simple and convenient, greatly save human cost.
Description
Technical field
The present invention relates to crane technical field, more particularly, to a kind of narrow space crane.
Background technology
Crane is as a kind of engineering machinery, in urban construction, development of real estate, road traffic, hydraulic and electric engineering, oil
It is widely used in a variety of applications in work, mine metallurgical construction engineering.Using diesel engine as motive power, driving hydraulic pump makes crane
Hydraulic oil has hydraulic energy, has the amplitude that the hydraulic oil of hydraulic energy promotes the movement of luffing hydraulic cylinder piston to change arm, driving
Hydraulic motor rotation winding steel cable lifting object realizes hoisting function.The performance of crane loading object, depends primarily upon lifting
The stability against overturning of machine.And narrow space crane is set in the maintenance and installation of the electrical equipment of substation, mechanical chemical industry workshop
The use of the narrow space occasion such as standby maintenance and installation, glass curtain wall also takes up critical role.The work of power industry operation at present
Several equipment integrations of operation are needed in journey, it is necessary to which relevant device is transported to designated position transport vehicle, it is necessary to which crane is by equipment
Specified altitude assignment is lifted to, then also needs to that high-altitude operation vehicle is manned to carry out installation and upkeep operation etc., is coordinated relative complex.Separately
It is limited to construction site narrow space outside, then plurality of devices work compound will be influenced be subject to bigger.
202864709 U of Chinese patent notification number CN disclose a kind of monkey, and the purpose of the utility model is design
It is a kind of rational in infrastructure, the monkey of crane whole height can be effectively reduced.The technical solution of the utility model
It is a kind of monkey, it includes main car body, and main car body is with secondary car body by coupling button connection.The letter of the utility model structure
It is single, it is easy to use, the setting height(from bottom) of crane can be effectively reduced, is particularly suitable for the indoor crane used.But should
Utility model main car body adds the length of crane with secondary car body attachment, is not suitable for narrow space operation.
Chinese patent notification number CN206033071U discloses a kind of crane, including hoist base, crane arm, operation
Room, the hoist base are in cuboid, and the hoist base end face center is provided with slewing equipment, the lifting
Machine base bottom is provided with crane wheel, and described four sides of hoist base are fitted with base support arm, described
Base support arm is connected by support arm shaft with hoist base, and the crane arm is in quadrangular frustum pyramid shaped, the crane arm
One end is connected the other end with operating room and is connected with lifting rope, and the operating room is hollow cube shape, the operating room bottom
To be provided with hoist engine at the top of slewing equipment, described lifting rope one end is connected the other end with hoist engine and passes through crane arm on-fixed end
It is connected with crampon.The crane needs to compound conveying arrangement work compound in operation, is not suitable for narrow space operation.
The content of the invention
In view of this, in view of the deficiencies of the prior art, it is an object of the present invention to provide a kind of narrow space crane, this hair
Crawler type walking mechanism and derricking gear in bright can be separated in construction, and completion jointly completes walking, transport, lifts by crane, adds
Hanging basket working at height, and tighten together again after the completion of constructing, other effects are continued to complete, it is simple and convenient, greatly save manpower
Cost.
To reach above-mentioned purpose, the present invention uses following technical scheme：
A kind of narrow space crane, including crawler type walking mechanism and the lifting machine positioned at the crawler type walking mechanism top
Structure；
The crawler type walking mechanism includes chassis frame and two groups of Caterpillar walking wheels positioned at the chassis frame lower part, described
Chassis frame top sets chassis supporting plate, and the derricking gear includes subframe and the turntable that is arranged on subframe, described turn
Platform top is hinged crane arm, and the turntable side is hinged hydraulic cylinder, and the hydraulic cylinder top is cut with scissors with bottom in the middle part of the crane arm
Connect, subframe upper surface both sides are symmetrical arranged four supporting legs；Subframe bottom both sides are symmetrical arranged four positioning pins,
The chassis splint upper surface sets location hole with the positioning pin correspondence position；
The subframe both sides are symmetrical arranged four grooves one, and the chassis supporting plate sets groove two, spiral shell with one symmetric position of groove
Bar top sequentially passes through the groove two, groove is fixed by nut in the lump.
Further, the nut lower part sets gasket.
Further, the screw rod bottom is ring-type.
Further, the chassis supporting plate bottom is on described two liang of side positions setting locating pieces of groove, the locating piece
Pin hole is set, and the both ends of fixed pin through screw rod bottom are stretched out from the pin hole.
Further, the positioning pin is straight pin or taper bolt.
The beneficial effects of the invention are as follows：
1st, the present invention discloses a kind of narrow space crane, including crawler type walking mechanism and positioned at crawler type walking mechanism top
Derricking gear；
Wherein crawler type walking mechanism includes chassis frame and two Caterpillar walking wheels positioned at chassis frame lower part, two crawler belts
Traveling wheel is respectively operated alone by a hydraulic motor, drives present invention walking and transport, and chassis frame top sets chassis supporting plate.
Derricking gear includes subframe and the turntable being arranged on subframe, and turntable top is hinged the fixed arm of crane arm,
Turntable side is hinged hydraulic cylinder, and bottom is hinged in the middle part of the fixed arm of hydraulic cylinder top and crane arm, therefore by controlling hydraulic cylinder
It is flexible, you can control crane arm is operated in vertical direction；Subframe upper surface both sides are symmetrical arranged four supporting legs, for constructing
When support whole derricking gear.
2nd, subframe bottom both sides are symmetrical arranged four positioning pins, and chassis splint upper surface is set with positioning pin correspondence position
Location hole, wherein positioning pin match with location hole, i.e. subframe and chassis supporting plate is positioned using positioning pin；Use
During narrow space crane of the present invention, when reaching construction site, four supporting legs are put down, then turn on nut, and by fixed pin
Extract out from pin hole, then take away screw rod from groove two and groove one, the hydraulic cylinder operating on supporting leg is controlled at this time, so that by secondary car
Frame is lifted to be separated with crawler type walking mechanism, you can and hoisting operation is carried out, on the other hand crawler type walking mechanism can be outputed, can
Using as transport vehicle, Transporting equipment or accessory inside and outside small space, transport to lifting position, also can be the old and useless article removed
Transport to designated position, straighforward operation, laborsaving reduction and manually carry, speed is efficient soon, reduces comprehensive cost.
After completing to construct, crawler type walking mechanism is moved to below subframe, is directed at the positioning pin on subframe
Location hole on the supporting plate of chassis, manipulates supporting leg and shrinks, and four location holes of observation are with that can pack up supporting leg during detent fit, so
Fastening is re-started using screw rod afterwards, so that crawler type walking mechanism and subframe are fixed together, narrow space rises at this time
Heavy-duty machine can be completed to move integrally work.
The crawler type walking mechanism in the present invention and derricking gear can be separated in construction as can be seen here, completed jointly
Into walking, transport, lifting plus hanging basket working at height, and tighten together again after the completion of constructing, continue to complete other effects, letter
Folk prescription just, greatlys save human cost.
3rd, positioning pin is straight pin or taper bolt, and wherein taper bolt is preferred embodiment, since taper bolt bottom is smaller, more
It is convenient to carry out positioning operation.
4th, the structure of screw rod can be that top is fixed by nut, and lower part is annulus, is fixed by fixed pin, reaches locking
The purpose of crawler type walking mechanism and derricking gear.In addition screw rod can also use another structure, i.e., the top of screw rod and
Bottom is fastened using clamp nut, simple and convenient.
In addition nut loosening can be prevented on the outside of nut along with nut is held out against.
Brief description of the drawings
Fig. 1 is the structure diagram of the embodiment of the present invention 1；
Fig. 2 is the enlarged drawing of label A in Fig. 1 of the present invention；
Fig. 3 is the top view of chassis support plate in Fig. 1 of the present invention；
Fig. 4 is the structure diagram that screw rod fastens subframe and chassis supporting plate in Fig. 1 of the present invention；
Fig. 5 is the dimensional structure diagram of screw rod in Fig. 1 of the present invention；
Fig. 6 is the structure diagram of the embodiment of the present invention 2.
In figure：1- chassis frames, 2- Caterpillar walking wheels, 3- chassis supporting plate, 4- subframes, 5- turntables, 6- crane arms, 7- liquid
Cylinder pressure, 8- positioning pins, 9- location holes, 10- grooves one, 11- grooves two, 12- supporting legs, 13- locating pieces, 14- pin holes, 15- screw rods, 16-
Nut, 17- fixed pins, 18- gaskets, 19- clamp nuts.
Embodiment
The invention will be further described with reference to the accompanying drawings and examples.
Embodiment 1
As shown in Figs. 1-5, a kind of narrow space crane, including crawler type walking mechanism and positioned at crawler type walking mechanism top
Derricking gear；
Wherein crawler type walking mechanism includes chassis frame 1 and two Caterpillar walking wheels 2 positioned at 1 lower part of chassis frame, two
Caterpillar walking wheel 2 is respectively operated alone by a hydraulic motor, drives present invention walking and transport, and 1 top of chassis frame sets bottom
Pan arrest plate 3；
Derricking gear includes subframe 4 and the turntable 5 being arranged on subframe 4, its intermediate station 5 is crane rotation mechanism, is adopted
With state-of-the art monoblock type rotary reducer structure, internal worm and gear is totally-enclosed in shell, can driving 360 degree of rotations of turntable
Turn；5 top of turntable is hinged the fixed arm of crane arm 6, and 5 side of turntable is hinged hydraulic cylinder 7, and 7 top of hydraulic cylinder is consolidated with crane arm 6
Bottom is hinged in the middle part of fixed arm, therefore by controlling the flexible of hydraulic cylinder 7, you can control crane arm 6 is operated in vertical direction；Secondary car
4 upper surface both sides of frame are symmetrical arranged four supporting legs 12, and for constructing when supports whole derricking gear；4 bottom both sides pair of subframe
Title sets four positioning pins 8, and supporting plate 3 upper surface in chassis sets location hole 9 with 8 correspondence position of positioning pin, and wherein positioning pin 8 is with determining
Position hole 9 matches, and for being locked to crawler type walking mechanism and derricking gear when positions, fixed in the present embodiment
Position pin 8 is taper bolt, and the microcephaly of taper bolt can reduce cooperation difficulty, and it is fixed that cone can help subframe 4 to be found accurately by center of gravity
Position hole 9.
4 both sides of subframe are symmetrical arranged four grooves 1, and groove 2 11 is set with one 10 symmetric position of groove on chassis supporting plate 3,
15 top of screw rod sequentially passes through groove 2 11, groove 1 and is fixed by nut 16, and 15 bottom of screw rod is ring-type, so that by subframe
4 and chassis supporting plate 3 lock, and 16 lower part of nut set gasket 18, prevent that nut 16 is worn, in order to further strengthen fastening make
With being located in 3 bottom of chassis supporting plate 2 11 liang of side positions of groove in the present embodiment and set locating pieces 13, wherein set on locating piece 13
Pin hole 14, the both ends of fixed pin 17 through 15 bottom of screw rod are stretched out from pin hole 14.
During using narrow space crane of the present invention, when reaching construction site, four supporting legs 12 are put down, then turn on spiral shell
Mother 16, takes away gasket 18, and fixed pin 17 is extracted out from pin hole 14, then takes away screw rod 15 from groove 2 11 and groove 1,
Control the hydraulic cylinder 7 on supporting leg 12 to operate at this time, separated so as to lifting subframe 4 with crawler type walking mechanism, you can carried out
Hoisting operation, on the other hand can output crawler type walking mechanism, can be used as transport vehicle, the Transporting equipment inside and outside small space
Or accessory, lifting position is transported to, the old and useless article removed can be also transported to designated position, straighforward operation, it is laborsaving to subtract
Few manually to carry, speed is efficient soon, reduces comprehensive cost.
After completing to construct, crawler type walking mechanism is moved to the lower section of subframe 4, makes the positioning pin 8 on subframe 4 right
Location hole 9 on quasi- chassis supporting plate 3, manipulates supporting leg 12 and shrinks, and subframe 4 slowly falls, while observes positioning pin 8, and four fixed
Position hole 9 can pack up supporting leg 12 when coordinating with positioning pin 8, by subframe gravity automatic capturing, then make screw rod 15
Top sequentially passes through groove 2 11, groove 1 and then fixed pin 17 is inserted into the annulus of 15 bottom of pin hole 14 and screw rod, into traveling
One step fastens, and clamp nut 16, and narrow space crane can be completed to move integrally work at this time.
Embodiment 2
The present embodiment is substantially the same manner as Example 1, and difference is：As shown in fig. 6, the structure of screw rod is different from embodiment 1,
And locating piece is not provided with embodiment 2,15 top of screw rod sequentially passes through groove 2 11, groove 1 and passes through nut in the present embodiment
16 fix, and clamp nut 19 is also fixed in screw rod 15.
During using the present invention, when reaching construction site, four supporting legs 12 are put down, then turn on nut 16 and clamp nut
19, gasket 18 is taken away, screw rod 15 is taken away from groove 2 11 and groove 1, controls the hydraulic cylinder 7 on supporting leg 12 to operate at this time, so that
Subframe 4 is lifted and is separated with crawler type walking mechanism, you can carries out hoisting operation.
After completing to construct, crawler type walking mechanism is moved to the lower section of subframe 4, makes the positioning pin 8 on subframe 4 right
Location hole 9 on quasi- chassis supporting plate 3, manipulates supporting leg 12 and shrinks, and subframe 4 slowly falls, while observes positioning pin 8, and four fixed
Position hole 9 can pack up supporting leg 12 when coordinating with positioning pin 8, by subframe gravity automatic capturing, then make screw rod 15
Top sequentially passes through groove 2 11, groove 1 and is fastened by nut 16, and lower end is fastened by clamp nut 19, so as to complete crawler belt
The locking of formula walking mechanism and subframe 4, at this time narrow space crane can complete move integrally work.
Embodiment 3
The present embodiment is substantially the same manner as Example 1, and difference is：It can be prevented in the outside of nut 16 along with nut is held out against
Nut 16 loosens.
Finally illustrate, the above embodiments are merely illustrative of the technical solutions of the present invention and it is unrestricted, this area is common
Other modifications or equivalent substitution that technical staff makes technical scheme, without departing from technical solution of the present invention
Spirit and scope, should all cover among scope of the presently claimed invention.
Claims (5)
- A kind of 1. narrow space crane, it is characterised in that：Including crawler type walking mechanism and positioned at the crawler-type traveling machine The derricking gear on structure top；The crawler type walking mechanism includes chassis frame（1）With positioned at the chassis frame（1）Two groups of crawler travels of lower part Wheel（2）, the chassis frame（1）Top sets chassis supporting plate（3）, the derricking gear includes subframe（4）Be arranged on pair Vehicle frame（4）On turntable（5）, the turntable（5）Top is hinged crane arm（6）, the turntable（5）Side is hinged hydraulic cylinder（7）, The hydraulic cylinder（7）Top and the crane arm（6）Middle part bottom is hinged, the subframe（4）Upper surface both sides are symmetrical arranged Four supporting legs（12）；The subframe（4）Bottom both sides are symmetrical arranged four positioning pins（8）, the chassis supporting plate（3）Upper surface With the positioning pin（8）Correspondence position sets location hole（9）；The subframe（4）Both sides are symmetrical arranged four grooves one（10）, the chassis supporting plate（3）With the groove one（10）Symmetrical position Install groove two（11）, screw rod（15）Top sequentially passes through the groove two（11）, groove one（10）And pass through nut（16）It is fixed.
- A kind of 2. narrow space crane according to claim 1, it is characterised in that：The nut（16）Lower part sets pad Piece（18）.
- A kind of 3. narrow space crane according to claim 1, it is characterised in that：The screw rod（15）Bottom is ring Shape.
- A kind of 4. narrow space crane according to claim 3, it is characterised in that：The chassis supporting plate（3）Bottom position In the groove two（11）Two side positions set locating piece（13）, pin hole is set on the locating piece（14）, fixed pin（17）Pass through Screw rod（15）The both ends of bottom are from the pin hole（14）Middle stretching.
- A kind of 5. narrow space crane according to claim 1, it is characterised in that：The positioning pin（8）For straight pin Or taper bolt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810027612.8A CN108002251A (en) | 2018-01-11 | 2018-01-11 | A kind of narrow space crane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810027612.8A CN108002251A (en) | 2018-01-11 | 2018-01-11 | A kind of narrow space crane |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108002251A true CN108002251A (en) | 2018-05-08 |
Family
ID=62050160
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810027612.8A Pending CN108002251A (en) | 2018-01-11 | 2018-01-11 | A kind of narrow space crane |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108002251A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113321140A (en) * | 2021-06-30 | 2021-08-31 | 湖南三一中型起重机械有限公司 | Hydraulic oil tank installation positioning structure and engineering crane |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19544732A1 (en) * | 1995-11-30 | 1997-06-05 | Siegfried Riebsamen | Lifting crane mounted on utility vehicle |
| US6129226A (en) * | 1999-02-08 | 2000-10-10 | Donovan; Timothy J. | Vehicle mounted mini hoist |
| CN201534755U (en) * | 2009-08-25 | 2010-07-28 | 郑州科步科技有限公司 | Micro crane |
| CN202558575U (en) * | 2012-04-11 | 2012-11-28 | 北京凯博擦窗机械技术公司 | Wheel-type spider-shaped aerial work platform |
| CN202558574U (en) * | 2012-04-11 | 2012-11-28 | 北京凯博擦窗机械技术公司 | Crawler-type spider-shaped aerial work platform |
| CN202625661U (en) * | 2012-05-30 | 2012-12-26 | 杭州贝特设备制造有限公司 | Spider-type hoisting machine with additional arm |
| CN105197811A (en) * | 2015-10-27 | 2015-12-30 | 江苏省电力公司镇江供电公司 | Stair-climbing crane |
| WO2016091206A1 (en) * | 2014-12-11 | 2016-06-16 | 徐州重型机械有限公司 | Wheel type crane and self-detaching and self-mounting method for support leg thereof |
| CN207726617U (en) * | 2018-01-11 | 2018-08-14 | 国家电网公司 | A kind of novel narrow space crane |
-
2018
- 2018-01-11 CN CN201810027612.8A patent/CN108002251A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19544732A1 (en) * | 1995-11-30 | 1997-06-05 | Siegfried Riebsamen | Lifting crane mounted on utility vehicle |
| US6129226A (en) * | 1999-02-08 | 2000-10-10 | Donovan; Timothy J. | Vehicle mounted mini hoist |
| CN201534755U (en) * | 2009-08-25 | 2010-07-28 | 郑州科步科技有限公司 | Micro crane |
| CN202558575U (en) * | 2012-04-11 | 2012-11-28 | 北京凯博擦窗机械技术公司 | Wheel-type spider-shaped aerial work platform |
| CN202558574U (en) * | 2012-04-11 | 2012-11-28 | 北京凯博擦窗机械技术公司 | Crawler-type spider-shaped aerial work platform |
| CN202625661U (en) * | 2012-05-30 | 2012-12-26 | 杭州贝特设备制造有限公司 | Spider-type hoisting machine with additional arm |
| WO2016091206A1 (en) * | 2014-12-11 | 2016-06-16 | 徐州重型机械有限公司 | Wheel type crane and self-detaching and self-mounting method for support leg thereof |
| CN105197811A (en) * | 2015-10-27 | 2015-12-30 | 江苏省电力公司镇江供电公司 | Stair-climbing crane |
| CN207726617U (en) * | 2018-01-11 | 2018-08-14 | 国家电网公司 | A kind of novel narrow space crane |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113321140A (en) * | 2021-06-30 | 2021-08-31 | 湖南三一中型起重机械有限公司 | Hydraulic oil tank installation positioning structure and engineering crane |
| CN113321140B (en) * | 2021-06-30 | 2023-07-14 | 湖南三一中型起重机械有限公司 | Hydraulic oil tank installation positioning structure and engineering crane |
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