CN108657968A - One kind prevents steel cable from falling off telescopic crane - Google Patents
One kind prevents steel cable from falling off telescopic crane Download PDFInfo
- Publication number
- CN108657968A CN108657968A CN201810533108.5A CN201810533108A CN108657968A CN 108657968 A CN108657968 A CN 108657968A CN 201810533108 A CN201810533108 A CN 201810533108A CN 108657968 A CN108657968 A CN 108657968A
- Authority
- CN
- China
- Prior art keywords
- arm
- falling
- limiting device
- steel cable
- turntable
- 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.)
- Granted
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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
- B66C23/04—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 with jibs the effective length of which is variable in operation, e.g. longitudinally displaceable, extensible
-
- 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
- B66C23/16—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 with jibs supported by columns, e.g. towers having their lower end mounted for slewing movements
- B66C23/163—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 with jibs supported by columns, e.g. towers having their lower end mounted for slewing movements where only part of the column rotates, i.e. at least the bottom part is fixed
-
- 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
- B66C23/64—Jibs
- B66C23/70—Jibs constructed of sections adapted to be assembled to form jibs or various lengths
- B66C23/701—Jibs constructed of sections adapted to be assembled to form jibs or various lengths telescopic
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Jib Cranes (AREA)
Abstract
The invention discloses one kind to prevent steel cable from falling off telescopic crane,Including pedestal and fixed frame,The upper end of the pedestal is equipped with fixed frame,The pedestal and fixed frame are fixedly connected by bolt,The upper end of the fixed frame is provided with frame body,The fixed frame and frame body are fixedly connected by bolt,Two sections of arms are provided in suspension arm of the present invention in crane,And two kinds of arms can carry out stretching motion,And when two sections of arms carry out flexible,Increase limiting device,And the phenomenon that limiting device can make arm two not fallen off when being extended and being shortened,Limiting device has good impact resistance simultaneously,The imbalance state that changeable hoisting moment is brought to complete machine can be offset,And two shafts and runner are in be arranged symmetrically up and down in slip rope track,Spacing enables to steel wire rope to pass through,So that the steel wire rope in pulley groove will not job-hop,Improve service life.
Description
Technical field
The invention belongs to lifting equipment correlative technology fields, and in particular to one kind prevents steel cable from falling off telescopic lifting
Machine.
Background technology
Crane refers to more action hoisting machineries of vertical-lift in a certain range and horizontal carrying heavy goods.Also known as day
Vehicle, hanging, crane.Its traveling driver's cabin that is mainly characterized by of wheel-mounted crane is combined into one with lifting control cabinl pulpit, is by crawler belt
Crane develops, and the crawler belt of walking mechanism and mobile holder part are become the chassis for having tire, overcomes crawler belt lifting
The shortcomings that machine creeper tread road pavement damages, belongs to material carrying mechanism.Since its both ends are located at tall and big concrete column
Or on metallic support, shape is like bridge.The crane span structure of bridge crane along be laid on both sides it is overhead on track it is longitudinally running, can be with
The space handling material below crane span structure is made full use of, is not hindered by ground installation.It is that use scope is most wide, quantity is most
A kind of hoisting machinery.The work characteristics that lifting equipment has is to do intermittent exercise, i.e., in a working cycles feeding, migration,
The corresponding mechanism of the actions such as unloading is to work alternatively, and crane develops and in the market using more and more extensive.Due to not
Often there are some accidents with supporting leg lift heavy and lift heavy traveling, the speed of traveling is also fast compared with crawler crane, operation stabilization, lifting
Amount is big, lift heavy can walk in particular range but must assure that path formation is solid, tire pressure meets the requirements, hangs ground
Must not be excessively high, forbid on-load to walk over long distances.To ensure job safety.
Existing crane technology has the following problems：Existing crane continues to use intrinsic mechanical mechanism, and there is rise
Weighing arm is operated in often under the changeable extraordinary operating mode of dynamic of raising weight, and counter-jib remains unique locked rotor torque, nothing
Method offsets the imbalance state that changeable hoisting moment is brought to complete machine, and the steel wire rope in pulley groove is often job-hoped, and steel is caused
Cord is particularly easy to damage so that the service life of steel wire rope significantly reduces, and the working efficiency for reducing crane increases
The expense of repair.
Invention content
The purpose of the present invention is to provide one kind to prevent steel cable from falling off telescopic crane, to solve above-mentioned background technology
The existing crane of middle proposition continues to use intrinsic mechanical mechanism, and the dynamic for operating in raising weight often there is crane arm is more
Under the extraordinary operating mode become, counter-jib remains unique locked rotor torque, can not offset changeable hoisting moment and be brought to complete machine
Imbalance state, and the steel wire rope in pulley groove is often job-hoped, and steel wire rope is caused to be particularly easy to damage so that steel wire rope makes
It is significantly reduced with the service life, reduces the problem of working efficiency of crane increases the expense of repair.
To achieve the above object, the present invention provides the following technical solutions：One kind prevents steel cable from falling off telescopic crane,
Including pedestal and fixed frame, the upper end of the pedestal is equipped with fixed frame, and the pedestal and fixed frame are fixed by bolt
Connection, the upper end of the fixed frame are provided with frame body, and the fixed frame and frame body are fixedly connected by bolt, the frame body
Upper end be provided with control room, the upper end of the control room is provided with turntable, and the upper end of the turntable is provided with frame
Top, the turntable and frame top are fixedly connected by bolt, and hoist engine, the elevator are provided on the left of the turntable
Counter-jib is provided on the left of machine, the counter-jib is internally provided with counterweight, suspension arm is provided on the right side of the turntable,
The downside bottom end of the suspension arm is provided with slip rope track, and suspension hook, the hoist engine are provided on the downside of the right end of the suspension arm
It is electrically connected with control room.
Preferably, the composition of the suspension arm includes arm one, sliding slot, arm two, limiting device, pulley and shaft,
The interior lower end of the arm one is provided with limiting device, and the lower end of the limiting device is provided with arm two, the arm two
Lower end be provided with sliding slot, the upper inside of the sliding slot is provided with pulley, and the pulley is internally provided with shaft, described outstanding
Arm is fixedly connected by arm one with turntable.
Preferably, the composition of the limiting device includes baffle, fixed block, connected unit, rigid spring and hydraulic stem, institute
It states and is provided with hydraulic stem on the right side of baffle, the outside of the hydraulic stem is provided with rigid spring, the right side of the hardness spring for one week
Side is provided with fixed block, is provided with connected unit on the right side of the fixed block, the limiting device by connected unit and arm one into
Row is fixedly connected.
Preferably, the composition of the slip rope track includes link block, holder, shaft and runner, the link block it is upper
End is provided with holder, shaft is provided on the right side of the holder, the inner upper end of the shaft is provided with runner, the slip rope rail
Road is fixedly connected by link block and arm one.
Preferably, there are two holder settings, the inside of two side stand be arranged altogether there are two shaft and runner, institute
Two shafts and runner are stated in being arranged symmetrically up and down, the spacing between described two runners can accommodate steel wire rope and pass through.
Preferably, the arm one and arm two are made of stainless steel, and the arm one and arm are second is that rectangle
Inner hollow structure, the size ratio arm two of the arm one is big.
Preferably, the turntable can carry out comprehensive rotation, the turntable be by internal rotation axis into
Row rotation.
Preferably, the limiting device can make what arm two will not fall off when being extended and being shortened to show
As the limiting device has good impact resistance.
Compared with prior art, the present invention provides one kind to prevent steel cable from falling off telescopic crane, and having following has
Beneficial effect：Two sections of arms are provided in suspension arm of the present invention in crane, and two kinds of arms can carry out stretching motion,
Including arm one and arm two, and when two sections of arms carry out flexible, limiting device is increased, and limiting device can make
The phenomenon that arm two will not be fallen off when being extended and being shortened is obtained, while there is rigid spring and liquid inside limiting device
Compression bar has good impact resistance, solves counter-jib and remains unique locked rotor torque, can offset changeable rise
The imbalance state that gravitational moment is brought to complete machine, and link block, holder, shaft and runner are provided in slip rope track, two
Shaft and runner in being arranged symmetrically up and down, and spacing enables to steel wire rope to pass through so that the steel wire rope in pulley groove will not occur
Job-hopping improves service life.
Description of the drawings
Attached drawing is used to provide further understanding of the present invention, and a part for constitution instruction, the reality with the present invention
It applies example to be used to explain the present invention together, not be construed as limiting the invention, in the accompanying drawings：
Fig. 1 is crane structure schematic diagram proposed by the present invention；
Fig. 2 is suspension arm structural schematic diagram proposed by the present invention；
Fig. 3 is limit device structure schematic diagram proposed by the present invention；
Fig. 4 is slip rope track structure schematic diagram proposed by the present invention；
In figure：1, pedestal；2, fixed frame；3, frame body；4, counter-jib；5, counterweight；6, hoist engine；7, frame top；8, suspension arm；
81, arm one；82, sliding slot；83, arm two；84, limiting device；841, baffle；842, fixed block；843, connected unit；844, hard
Property spring；845, hydraulic stem；85, pulley；86, shaft；9, slip rope track；91, link block；92, holder；93, shaft；94, turn
Wheel；10, suspension hook；11, turntable；12, control room.
Specific implementation mode
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation describes, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that term "upper", "lower", "inner", "outside" " front end ", " rear end ",
The orientation or positional relationship of the instructions such as " both ends ", " one end ", " other end " is to be based on the orientation or positional relationship shown in the drawings, only
It is that for convenience of description of the present invention and simplification of the description, not indicating or implying the indicated device or element must have specifically
Orientation, with specific azimuth configuration and operation, therefore be not considered as limiting the invention.In addition, term " first ", " the
Two " are used for description purposes only, and are not understood to indicate or imply relative importance.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " installation " " is set
Be equipped with ", " connection " etc., shall be understood in a broad sense, such as " connection ", may be a fixed connection, may be a detachable connection or one
Body formula connects；It can be mechanical connection, can also be electrical connection；It can be directly connected, it can also be indirect by intermediary
It is connected, can is the connection inside two elements.For the ordinary skill in the art, on being understood with concrete condition
State the concrete meaning of term in the present invention.
- 4 are please referred to Fig.1, the present invention provides a kind of technical solution：One kind prevents steel cable from falling off telescopic crane, packet
Pedestal 1 and fixed frame 2 are included, the upper end of pedestal 1 is equipped with fixed frame 2, and pedestal 1 and fixed frame 2 are fixedly connected by bolt,
The upper end of fixed frame 2 is provided with frame body 3, and fixed frame 2 and frame body 3 are fixedly connected by bolt, and the upper end of frame body 3 is set
It is equipped with control room 12, the upper end of control room 12 is provided with turntable 11, and the upper end of turntable 11 is provided with frame top 7, turntable 11
It is fixedly connected by bolt with frame top 7, the left side of turntable 11 is provided with hoist engine 6, and the left side of hoist engine 6 is provided with flat
Weigh arm 4, and counter-jib 4 is internally provided with counterweight 5, and the right side of turntable 11 is provided with suspension arm 8, the downside bottom end of suspension arm 8
It is provided with slip rope track 9, suspension hook 10 is provided on the downside of the right end of suspension arm 8, hoist engine 6 is electrically connected with control room 12.
In order to hang different distance object and also will not there is a phenomenon where torque shakiness, the present invention in, it is preferred that
The composition of suspension arm 8 includes arm 1, sliding slot 82, arm 2 83, limiting device 84, pulley 85 and shaft 86, arm one
81 interior lower end is provided with limiting device 84, and the lower end of limiting device 84 is provided with arm 2 83, and the lower end of arm 2 83 is set
It is equipped with sliding slot 82, the upper inside of sliding slot 82 is provided with pulley 85, and pulley 85 is internally provided with shaft 86, and suspension arm 8 passes through
Arm 1 is fixedly connected with turntable 11.
In order to enable the case where both ends arm will not fall off when carrying out flexible or damage rack, excellent in of the invention
Choosing, the composition of limiting device 84 includes baffle 841, fixed block 842, connected unit 843, rigid spring 844 and hydraulic stem
845, the right side of baffle 841 is provided with hydraulic stem 845, and the outside of hydraulic stem 845 is provided with rigid spring 844, rigid bullet for one week
The right side of spring 844 is provided with fixed block 842, and the right side of fixed block 842 is provided with connected unit 843, and limiting device 84 passes through connection
Platform 843 is fixedly connected with arm 1.
Steel wire rope is there is a phenomenon where job-hoping during the work time for crane in order to prevent, in the present invention, it is preferred that slip rope rail
The composition in road 9 includes link block 91, holder 92, shaft 93 and runner 94, and the upper end of link block 91 is provided with holder 92, holder
92 right side is provided with shaft 93, and the inner upper end of shaft 93 is provided with runner 94, and slip rope track 9 passes through link block 91 and arm
One 81 are fixedly connected.
In order to closely so that steel wire rope fitting wheel is moved, in the present invention, it is preferred that holder 92 is provided with
Two, the inside of two side stands 92 is arranged that there are two shaft 93 and runners 94 altogether, and two shafts 93 and runner 94 are in symmetrical above and below
It arranges, the spacing between two runners 94 can accommodate steel wire rope and pass through.
In order to when carrying out flexible two sections of arms will not collide and also can move it is rapid, in the present invention, it is preferred that
Arm 1 and arm 2 83 are made of stainless steel, and arm 1 and arm 2 83 are the knots of rectangular inner hollow
The size ratio arm 2 83 of structure, arm 1 is big.
For the object for carrying out suspention different direction that can be comprehensive, in the present invention, it is preferred that turntable 11 can be into
The comprehensive rotation of row, turntable 11 are rotated by internal rotation axis.
The phenomenon that in order to be fallen off when being extended and being shortened, in of the invention, it is preferred that limiting device 84 can
So that the phenomenon that arm 2 83 will not be fallen off when being extended and being shortened, limiting device 84 has good shock resistance
Ability.
The operation principle and process for using of the present invention：After the present invention installs, first checks for such machine and whether can
Normal work checks that the plug on electric wire is finished with whether socket connect, if there is abnormal noise, should close immediately such
Machine waits for the repair of professional, when the suspention of crane to be carried out, is operated first by control room 12, elevator
Machine 6 is shunk and is discharged steel wire rope, then discharges steel wire rope by slip rope track 9, and carrying out hook by suspension hook 10 takes object, then
Turntable 11 can carry out comprehensive rotation, and turntable 11 is rotated by internal rotation axis, if in hooking and taking
When the hollow object in portion, the composition of suspension arm 8 includes arm 1, sliding slot 82, arm 2 83, limiting device 84, pulley 85
With shaft 86, and arm 1 and arm 2 83 are made of stainless steel, and the size ratio arm 2 83 of arm 1 is big,
And limiting device 84 the phenomenon that arm 2 83 can be made not fallen off when being extended and being shortened, limiting device 84
With good impact resistance, in being arranged symmetrically up and down, spacing enables to steel wire rope to pass through for two shafts 93 and runner 94,
So that the steel wire rope in pulley groove will not job-hop, service life is improved.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
Understanding without departing from the principles and spirit of the present invention can carry out these embodiments a variety of variations, modification, replace
And modification, the scope of the present invention is defined by the appended.
Claims (7)
1. one kind prevents steel cable from falling off telescopic crane, including pedestal (1) and fixed frame (2), it is characterised in that：The bottom
The upper end of seat (1) is equipped with fixed frame (2), and the pedestal (1) and fixed frame (2) are fixedly connected by bolt, described solid
The upper end for determining frame (2) is provided with frame body (3), and the fixed frame (2) and frame body (3) are fixedly connected by bolt, the frame
The upper end of body (3) is provided with control room (12), and the upper end of the control room (12) is provided with turntable (11), the rotation
The upper end of platform (11) is provided with frame top (7), and the turntable (11) and frame top (7) are fixedly connected by bolt, described turn
It is provided with hoist engine (6) on the left of dynamic platform (11), counter-jib (4), the counter-jib are provided on the left of the hoist engine (6)
(4) be internally provided with counterweight (5), suspension arm (8) is provided on the right side of the turntable (11), under the suspension arm (8)
Side bottom end is provided with slip rope track (9), is provided with suspension hook (10) on the downside of the right end of the suspension arm (8), the hoist engine (6) with
Control room (12) is electrically connected.
2. one kind according to claim 1 prevents steel cable from falling off telescopic crane, it is characterised in that：The suspension arm
(8) composition includes arm one (81), sliding slot (82), arm two (83), limiting device (84), pulley (85) and shaft
(86), the interior lower end of the arm one (81) is provided with limiting device (84), and the lower end of the limiting device (84) is provided with
The lower end of arm two (83), the arm two (83) is provided with sliding slot (82), and the upper inside of the sliding slot (82) is provided with cunning
It takes turns (85), the pulley (85) is internally provided with shaft (86), and the suspension arm (8) passes through arm one (81) and turntable
(11) it is fixedly connected.
3. one kind according to claim 2 prevents steel cable from falling off telescopic crane, it is characterised in that：The limit dress
The composition for setting (84) includes baffle (841), fixed block (842), connected unit (843), rigid spring (844) and hydraulic stem
(845), hydraulic stem (845) is provided on the right side of the baffle (841), the outside of the hydraulic stem (845) is provided with firmly for one week
Property spring (844), be provided with fixed block (842) on the right side of hardness spring (844), set on the right side of the fixed block (842)
It is equipped with connected unit (843), the limiting device (84) is fixedly connected by connected unit (843) with arm one (81).
4. one kind according to claim 1 prevents steel cable from falling off telescopic crane, it is characterised in that：The slip rope rail
The composition in road (9) includes link block (91), holder (92), shaft (93) and runner (94), the upper end of the link block (91)
It is provided with holder (92), shaft (93) is provided on the right side of the holder (92), the inner upper end of the shaft (93) is provided with
Runner (94), the slip rope track (9) are fixedly connected by link block (91) with arm one (81).
5. one kind according to claim 4 prevents steel cable from falling off telescopic crane, it is characterised in that：The holder
(92) there are two setting, the inside of two side stand (92) be arranged altogether there are two shaft (93) and runner (94), it is described two
In being arranged symmetrically up and down, the spacing between described two runners (94) can accommodate steel wire rope and pass through for shaft (93) and runner (94).
6. one kind according to claim 2 prevents steel cable from falling off telescopic crane, it is characterised in that：The arm one
(81) it is made of stainless steel with arm two (83), the arm one (81) and arm two (83) be rectangular inner hollow
Structure, the size ratio arm two (83) of the arm one (81) is big.
7. one kind according to claim 1 prevents steel cable from falling off telescopic crane, it is characterised in that：The turntable
(11) comprehensive rotation is carried out, the turntable (11) is rotated by internal rotation axis.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810533108.5A CN108657968B (en) | 2018-05-29 | 2018-05-29 | Telescopic crane capable of preventing steel rope from falling off |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810533108.5A CN108657968B (en) | 2018-05-29 | 2018-05-29 | Telescopic crane capable of preventing steel rope from falling off |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108657968A true CN108657968A (en) | 2018-10-16 |
| CN108657968B CN108657968B (en) | 2020-04-24 |
Family
ID=63774174
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810533108.5A Active CN108657968B (en) | 2018-05-29 | 2018-05-29 | Telescopic crane capable of preventing steel rope from falling off |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108657968B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114754311A (en) * | 2022-03-29 | 2022-07-15 | 华能伊敏煤电有限责任公司 | Excavator top hanging type lighting device |
| CN116495634A (en) * | 2023-06-25 | 2023-07-28 | 河南坤宇市政园林工程有限公司 | Crane based on pipeline construction |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2224191Y (en) * | 1995-02-13 | 1996-04-10 | 朱永奋 | Self-lifting tower crane capable of carrying person |
| CN2238821Y (en) * | 1994-01-05 | 1996-10-30 | 崔子风 | Self-propelling expansion cargo boom of tower crane |
| US20110147090A1 (en) * | 2009-12-21 | 2011-06-23 | Soilmec S.P.A. | Multi-functional machine adaptable for drilling, boring and lifting |
| CN104030171A (en) * | 2014-06-09 | 2014-09-10 | 成都绿迪科技有限公司 | Tower crane for civil engineering |
| CN206590782U (en) * | 2016-08-03 | 2017-10-27 | 江苏港益重工股份有限公司 | Steel wire rope jump prevention pressing wheel device at pulley |
| CN107555314A (en) * | 2017-08-24 | 2018-01-09 | 芜湖市长江起重设备制造有限公司 | A kind of dolly limit damper of bridge crane |
| CN107606044A (en) * | 2017-09-06 | 2018-01-19 | 江苏久祥汽车电器集团有限公司 | A kind of buffer unit of mechanically moving equipment |
-
2018
- 2018-05-29 CN CN201810533108.5A patent/CN108657968B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2238821Y (en) * | 1994-01-05 | 1996-10-30 | 崔子风 | Self-propelling expansion cargo boom of tower crane |
| CN2224191Y (en) * | 1995-02-13 | 1996-04-10 | 朱永奋 | Self-lifting tower crane capable of carrying person |
| US20110147090A1 (en) * | 2009-12-21 | 2011-06-23 | Soilmec S.P.A. | Multi-functional machine adaptable for drilling, boring and lifting |
| CN104030171A (en) * | 2014-06-09 | 2014-09-10 | 成都绿迪科技有限公司 | Tower crane for civil engineering |
| CN206590782U (en) * | 2016-08-03 | 2017-10-27 | 江苏港益重工股份有限公司 | Steel wire rope jump prevention pressing wheel device at pulley |
| CN107555314A (en) * | 2017-08-24 | 2018-01-09 | 芜湖市长江起重设备制造有限公司 | A kind of dolly limit damper of bridge crane |
| CN107606044A (en) * | 2017-09-06 | 2018-01-19 | 江苏久祥汽车电器集团有限公司 | A kind of buffer unit of mechanically moving equipment |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114754311A (en) * | 2022-03-29 | 2022-07-15 | 华能伊敏煤电有限责任公司 | Excavator top hanging type lighting device |
| CN116495634A (en) * | 2023-06-25 | 2023-07-28 | 河南坤宇市政园林工程有限公司 | Crane based on pipeline construction |
| CN116495634B (en) * | 2023-06-25 | 2023-09-15 | 河南坤宇市政园林工程有限公司 | Crane based on pipeline construction |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108657968B (en) | 2020-04-24 |
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