CN110182709A - A kind of construction Special material lifting means - Google Patents
A kind of construction Special material lifting means Download PDFInfo
- Publication number
- CN110182709A CN110182709A CN201910499672.4A CN201910499672A CN110182709A CN 110182709 A CN110182709 A CN 110182709A CN 201910499672 A CN201910499672 A CN 201910499672A CN 110182709 A CN110182709 A CN 110182709A
- Authority
- CN
- China
- Prior art keywords
- rope
- insurance
- dirt barrel
- fixedly connected
- lifting means
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000010276 construction Methods 0.000 title claims abstract description 22
- 239000000463 material Substances 0.000 title claims abstract description 21
- 239000000428 dust Substances 0.000 claims abstract description 22
- 238000005096 rolling process Methods 0.000 claims abstract description 20
- 239000007787 solid Substances 0.000 claims 1
- 238000005260 corrosion Methods 0.000 abstract description 3
- 230000007797 corrosion Effects 0.000 abstract description 3
- 239000002245 particle Substances 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004566 building material Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 208000037805 labour Diseases 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F7/00—Lifting frames, e.g. for lifting vehicles; Platform lifts
- B66F7/02—Lifting frames, e.g. for lifting vehicles; Platform lifts with platforms suspended from ropes, cables, or chains or screws and movable along pillars
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F7/00—Lifting frames, e.g. for lifting vehicles; Platform lifts
- B66F7/28—Constructional details, e.g. end stops, pivoting supporting members, sliding runners adjustable to load dimensions
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Geology (AREA)
- Mechanical Engineering (AREA)
- Structural Engineering (AREA)
- Lift-Guide Devices, And Elevator Ropes And Cables (AREA)
Abstract
The invention discloses a kind of construction Special material lifting means, including elevator scoop and coiling mechanism；The coiling mechanism includes the main carrying rope being fixedly connected respectively with elevator scoop and insurance rope；Insurance rope upper end coiling has insurance around rolling wheel, and insurance is sleeved and fixed around rolling wheel and coiling axis, and insurance is equipped with elastic guide wheel below rolling wheel.The present invention, which passes through, is equipped with insurance rope and moveable elastic guide wheel, and the carrying of elevator scoop can be carried out after main carrying rope is broken, guarantees the safe and continuous operation of elevator scoop, avoids delay the duration；By being equipped with except dirt barrel, the hairbrush ring, fan blade and the dust bag that pump, deashing is carried out to rope, dust particles accelerated corrosion rope is avoided to extend rope service life.
Description
Technical field
The present invention relates to building material lifting means field, specifically a kind of construction Special material lifting means.
Background technique
Material lifting frame (well cabinet frame) abbreviation elevator.It is commonly a kind of for solving vertical transport in construction
I.e. simple and convenient lifting equipment, generally by chassis, derrick body (standard knot), day beam, frame rail, hanging basket, pulley blocks, rocker arm and
Electrical hoist, the composition such as wirerope, cable wind rope (wall-attached frame), earth anchor and various safety devices, belongs to a kind of indefinite form
Semi-mechanization product.Material elevator has structure simple, and technical performance is reliable, and safety coefficient is high, convenient for disassembly and assembly, i.e., dress is
The features such as using.Especially self-locking device plays splendid safety performance in wire cable rupture test.Exhibition is widely used in arrange exhibits,
Storage, storehouse, building save a large amount of labours without goods handling above and below wall face.
Traditional lifting means is through anti-fall self-locking device in cord break, using hooking pawl for the side of elevator scoop emergency stop
Formula guarantees safety, then carries out the maintenance of equipment, including replacement steel wire cable, needs to carry out shutdown maintenance, influence construction
It carries out.
Summary of the invention
The purpose of the present invention is to provide a kind of construction Special material lifting means, to solve in above-mentioned background technique
The problem of proposition.
To achieve the above object, the invention provides the following technical scheme:
A kind of construction Special material lifting means, including elevator scoop and coiling mechanism；The coiling mechanism include respectively with
The main carrying rope and insurance rope that elevator scoop is fixedly connected；Insurance rope upper end coiling has insurance around rolling wheel, insurance around
Rolling wheel is sleeved and fixed with coiling axis, and insurance is equipped with elastic guide wheel below rolling wheel, and elastic guide wheel is abutted with insurance rope, bullet
Property directive wheel is rotatably connected to movable plate, and movable plate is arranged with spring sleeving connecting rod, and spring sleeving connecting rod is fixedly connected with and anti-skid cover
The fixed plate being fixedly connected.
As a further solution of the present invention: through having except dirt barrel in the shield, being equipped with one group of hairbrush except dirt barrel is interior
Ring, hairbrush ring are respectively sleeved on main carrying rope and insurance rope；The hairbrush ring is fixedly connected with crane, and crane is in
T-type, crane extend to except dirt barrel top and are fixedly connected with sliding shackle member, and sliding shackle member is connected with eccentric slotted disk, partially
Heart slotted disk both sides of the face offer eccentric circular groove, and sliding shackle member upper end is nested in eccentric circular groove；It is described bias slotted disk with around
Spool is sleeved and fixed.
As a further solution of the present invention: the elevator scoop two sides are fixedly connected with sliding block, and sliding block is nested in guide rail bracket
On.
As a further solution of the present invention: the main carrying rope upper end coiling has master around rolling wheel, and master fixes around rolling wheel
It is connected with around spool, anti-skid cover is rotatably connected to by bearing around spool and extends on the outside of anti-skid cover, pass through deceleration around spool
Device is connected with coiling motor.
As a further solution of the present invention: the main carrying rope and insurance rope run through except dirt barrel, except above and below dirt barrel
Side is equipped with spacing guide wheel.
As a further solution of the present invention: the hairbrush ring is the annular brush that inner wall is equipped with bristle.
As a further solution of the present invention: described except fan blade is equipped in dirt barrel, fan blade, which is fixedly connected with, to be turned
Moving axis, except dirt barrel end nesting is fixed with Air Filter, rotation axis is through Air Filter and extends to except on the outside of dirt barrel, rotation axis passes through
Driving belt is connected with the output shaft of coiling motor；The fan blade relative position is equipped with dust gathering arrester, and dust gathering arrester, which is nested in, to be removed
In dirt barrel, dust gathering arrester is communicated with dust bag.
Compared with prior art, the beneficial effects of the present invention are: the present invention, which passes through, is equipped with insurance rope and moveable bullet
Property directive wheel, the carrying of elevator scoop can be carried out after main carrying rope is broken, guarantee that the safe and continuous of elevator scoop is run,
It avoids delay the duration；By being equipped with except dirt barrel, the hairbrush ring, fan blade and the dust bag that pump, rope is carried out
Deashing avoids dust particles accelerated corrosion rope from extending rope service life.
Detailed description of the invention
Fig. 1 is the overall perspective of construction Special material lifting means；
Fig. 2 is the structural schematic diagram of coiling mechanism in construction Special material lifting means；
Fig. 3 is elastic directive wheel attachment structure schematic diagram in construction Special material lifting means；
Fig. 4 is the enlarged drawing in Fig. 2 at A；
Fig. 5 is the perspective view of eccentric slotted disk in construction Special material lifting means.
In figure: 1- pedestal；2- elevator scoop；3- guide rail bracket；4- sliding block；5- coiling mechanism；The main carrying rope of 6-；The main coiling of 7-
Wheel；8- is around spool；9- shield；10- retarder；11- coiling motor；12- insures rope；13- elastic guide wheel；14- activity
Plate；15- fixed plate；16- spring sleeving connecting rod；17- insures around rolling wheel；18- removes dirt barrel；19- spacing guide wheel；20- hairbrush ring；
21- crane；22- slides shackle member；23- bias slotted disk；2301- bias circular groove；24- fan blade；25- rotation axis；26- is passed
Dynamic belt；27- dust gathering arrester；28- dust bag；29- Air Filter.
Specific embodiment
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 description, 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.
Embodiment 1
Please refer to Fig. 1-3, in the embodiment of the present invention, a kind of construction Special material lifting means, including pedestal 1, elevator scoop
2, guide rail bracket 3, sliding block 4 and coiling mechanism 5；2 two sides of elevator scoop are fixedly connected with sliding block 4, and sliding block 4 is nested in guide rail bracket 3
On, elevator scoop 2 is moved up and down along guide rail bracket 3.
Referring to Fig. 2, the coiling mechanism 5 includes main carrying rope 6 and insures rope 12, main 6 upper end of carrying rope around
Volume has master around rolling wheel 7, and master is fixedly connected with around spool 8 around rolling wheel 7, is rotatably connected to anti-skid cover 9 by bearing around spool 8 and prolongs
9 outside of anti-skid cover is extended to, coiling motor 11 is connected with by retarder 10 around spool 8, coiling motor 11 passes through 10 band of retarder
It is dynamic to be rotated around spool 8, and then drive master around rolling wheel 7, coiling is carried out to main carrying rope 6, and then drive and move down on elevator scoop 2
It is dynamic.
The insurance rope 12 is fixedly connected with elevator scoop 2, and insurance 12 upper end coiling of rope has insurance around rolling wheel 17, insurance
It is sleeved and fixed around rolling wheel 17 with around spool 8, insurance is equipped with elastic guide wheel 13, elastic guide wheel 13 and insurance below rolling wheel 17
Rope 12 abuts, and elastic guide wheel 13 is rotatably connected to movable plate 14, and movable plate 14 is arranged with spring sleeving connecting rod 16, spring socket
Bar 16 is fixedly connected with fixed plate 15, and fixed plate 15 is fixedly connected with anti-skid cover 9；Elastic guide wheel 13 makes insurance rope 12 exist
Main carrying rope 6 does not undertake the weight of elevator scoop 2 when working normally, specific, when main carrying rope 6 is broken, insures
Rope 12 starts stress, and 13 stress of spring directive wheel is mobile, and the spring on spring sleeving connecting rod 16 is compressed, so that insurance rope 12
The exceptionally straight weight for starting to carry elevator scoop 2, so that elevator scoop 2 still can normally be gone up and down after main carrying rope is broken
Work, works on, elevator scoop 2 is avoided to fall, so that the material transportation before fracture is unaffected, in construction interval or construction
Downtime can carry out the replacement of main carrying rope, avoid influencing the duration.
Embodiment 2
The present embodiment the difference from embodiment 1 is that: Fig. 2, Fig. 4 and Fig. 5 are please referred to, through having except dirt barrel in the shield 9
18, main carrying rope 6 and insurance rope 12 run through except dirt barrel 18, and except 18 upper and lower of dirt barrel is equipped with spacing guide wheel 19, limit is led
Make winner's bearing rope rope 6 and insurance rope 12 vertically through except dirt barrel 18 to wheel 19；It is described to be equipped with one group of hairbrush except dirt barrel 18 is interior
Ring 20, hairbrush ring 20 are respectively sleeved on main carrying rope 6 and insurance rope 12, and hairbrush ring 20 is the annular that inner wall is equipped with bristle
Hairbrush；The hairbrush ring 20 is fixedly connected with crane 21, and crane 21 is T-shaped, and crane 21 is extended to except 18 top of dirt barrel
And it is fixedly connected with sliding shackle member 22, sliding shackle member 22 is connected with eccentric slotted disk 23, and eccentric 23 both sides of the face of slotted disk open up
There is eccentric circular groove 2301, sliding 22 upper end of shackle member is nested in eccentric circular groove 2301；The bias slotted disk 23 with around 8 sets of spool
Fixation is connect, drives eccentric slotted disk 23 to rotate around spool 8, sliding shackle member 22 is slided in eccentric circular groove 2301, slides shackle member
22 are moved up and down by crane 21 with electric brush ring 20, and 20 pairs of hairbrush ring main carrying ropes 6 and insurance 12 surface of rope carry out
Deashing is scrubbed, avoids dust or other building waste residues from influencing rope coiling, reduces rope service life.
Described except fan blade 24 is equipped in dirt barrel 18, fan blade 24 is fixedly connected with rotation axis 25, removes 18 end of dirt barrel
Portion's nesting is fixed with Air Filter 29, and rotation axis 25 is through Air Filter 29 and extends to except 18 outside of dirt barrel, and rotation axis 25 passes through biography
Dynamic belt 26 is connected with the output shaft of coiling motor 11；24 relative position of fan blade is equipped with dust gathering arrester 27, dust gathering arrester 27
It is nested in except in dirt barrel 18, dust gathering arrester 27 is communicated with dust bag 28, efficient centralized collection is carried out to the dust fallen.
It should be noted that: main carrying rope in the application, sliding rail frame, coiling motor, around spool is existing at elevator scoop
There is technology, elastic guide wheel insures rope, except dirt barrel, hairbrush ring, crane, sliding shackle member, eccentric slotted disk are the application's
Innovative point；By being equipped with insurance rope and moveable elastic guide wheel, can be risen after main carrying rope is broken
The carrying for dropping bucket guarantees the safe and continuous operation of elevator scoop, avoids delay the duration；By being equipped with except dirt barrel, pumping
Hairbrush ring, fan blade and dust bag, to rope carry out deashing, avoid dust particles accelerated corrosion rope extend rope use
Service life.
It is obvious to a person skilled in the art that invention is not limited to the details of the above exemplary embodiments, Er Qie
In the case where without departing substantially from spirit or essential attributes of the invention, the present invention can be realized in other specific forms.Therefore, no matter
From the point of view of which point, the present embodiments are to be considered as illustrative and not restrictive, and the scope of the present invention is by appended power
Benefit requires rather than above description limits, it is intended that all by what is fallen within the meaning and scope of the equivalent elements of the claims
Variation is included within the present invention.Any reference signs in the claims should not be construed as limiting the involved claims.
In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped
Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should
It considers the specification as a whole, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
The other embodiments being understood that.
Claims (7)
1. a kind of construction Special material lifting means, including elevator scoop (2) and coiling mechanism (5)；It is characterized in that, described
Coiling mechanism (5) includes the main carrying rope (6) being fixedly connected respectively with elevator scoop (2) and insurance rope (12)；The insurance
Rope (12) upper end coiling has insurance around rolling wheel (17), and insurance is sleeved and fixed around rolling wheel (17) with around spool (8), insures around rolling wheel
(17) lower section is equipped with elastic guide wheel (13), and elastic guide wheel (13) is abutted with insurance rope (12), and elastic guide wheel (13) turns
Dynamic to be connected with movable plate (14), movable plate (14) is arranged with spring sleeving connecting rod (16), spring sleeving connecting rod (16) be fixedly connected with
The fixed plate (15) that anti-skid cover (9) is fixedly connected.
2. a kind of construction Special material lifting means according to claim 1, which is characterized in that the shield
(9) through having except dirt barrel (18) in, except one group of hairbrush ring (20) is equipped in dirt barrel (18), hairbrush ring (20) is respectively sleeved at master and holds
It carries on rope (6) and insurance rope (12)；The hairbrush ring (20) is fixedly connected with crane (21), and crane (21) is T-shaped,
Crane (21) extends to except dirt barrel (18) top and is fixedly connected with sliding shackle member (22), and sliding shackle member (22) is connected with
Eccentric slotted disk (23), eccentric slotted disk (23) both sides of the face offer eccentric circular groove (2301), and sliding shackle member (22) upper end is nested
In eccentric circular groove (2301)；The bias slotted disk (23) is sleeved and fixed with around spool (8).
3. a kind of construction Special material lifting means according to claim 1, which is characterized in that the elevator scoop
(2) two sides are fixedly connected with sliding block (4), and sliding block (4) is nested on guide rail bracket (3).
4. a kind of construction Special material lifting means according to claim 1, which is characterized in that the main bearing rope
Rope (6) upper end coiling has master around rolling wheel (7), and master is fixedly connected with around spool (8) around rolling wheel (7), passes through bearing around spool (8) and turn
It is dynamic to be connected with anti-skid cover (9) and extend on the outside of anti-skid cover (9), coiling motor is connected with by retarder (10) around spool (8)
(11).
5. a kind of construction Special material lifting means according to claim 2, which is characterized in that the main bearing rope
Rope (6) and insurance rope (12), which run through, removes dirt barrel (18), except dirt barrel (18) upper and lower is equipped with spacing guide wheel (19).
6. a kind of construction Special material lifting means according to claim 2, which is characterized in that the hairbrush ring
(20) annular brush of bristle is equipped with for inner wall.
7. a kind of construction Special material lifting means according to claim 2, which is characterized in that described to remove dirt barrel
(18) fan blade (24) are equipped in, fan blade (24) is fixedly connected with rotation axis (25), except dirt barrel (18) end nesting is solid
Surely have Air Filter (29), rotation axis (25) is through Air Filter (29) and extends to except on the outside of dirt barrel (18), rotation axis (25) passes through
Driving belt (26) is connected with the output shaft of coiling motor (11)；Fan blade (24) relative position is equipped with dust gathering arrester
(27), dust gathering arrester (27) is nested in except in dirt barrel (18), dust gathering arrester (27) is communicated with dust bag (28).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910499672.4A CN110182709A (en) | 2019-06-11 | 2019-06-11 | A kind of construction Special material lifting means |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910499672.4A CN110182709A (en) | 2019-06-11 | 2019-06-11 | A kind of construction Special material lifting means |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110182709A true CN110182709A (en) | 2019-08-30 |
Family
ID=67721150
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910499672.4A Pending CN110182709A (en) | 2019-06-11 | 2019-06-11 | A kind of construction Special material lifting means |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110182709A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115094812A (en) * | 2022-06-30 | 2022-09-23 | 郑州森鹏电子技术股份有限公司 | Lifting dust collection device for detecting road dust accumulation load and vehicle |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1526952A (en) * | 1975-03-14 | 1978-10-04 | Phido Co Ltd | Cable cleaning unit |
| DE4101851A1 (en) * | 1991-01-23 | 1992-07-30 | Kniele Erwin Ing Grad | Wear and overload signal system for charger hoists e.g. for concrete - activates warning signal or switches from drive system with overload or wear of carrying rope and prevents fall of hoist bucket |
| CN1184772A (en) * | 1996-12-09 | 1998-06-17 | 仲建元 | Arrangement for preventing persons from falling down for lifting equipment |
| CN207451377U (en) * | 2017-11-15 | 2018-06-05 | 西子西奥电梯有限公司 | A kind of elevator dragging wire rope automatically cleaning lubricating maintenance device |
| CN109019221A (en) * | 2018-08-21 | 2018-12-18 | 石宏扬 | A kind of mine lift cage safety protecting method |
| CN210457312U (en) * | 2019-06-11 | 2020-05-05 | 江苏省苏中建设集团股份有限公司 | Special material lifting means of construction |
-
2019
- 2019-06-11 CN CN201910499672.4A patent/CN110182709A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1526952A (en) * | 1975-03-14 | 1978-10-04 | Phido Co Ltd | Cable cleaning unit |
| DE4101851A1 (en) * | 1991-01-23 | 1992-07-30 | Kniele Erwin Ing Grad | Wear and overload signal system for charger hoists e.g. for concrete - activates warning signal or switches from drive system with overload or wear of carrying rope and prevents fall of hoist bucket |
| CN1184772A (en) * | 1996-12-09 | 1998-06-17 | 仲建元 | Arrangement for preventing persons from falling down for lifting equipment |
| CN207451377U (en) * | 2017-11-15 | 2018-06-05 | 西子西奥电梯有限公司 | A kind of elevator dragging wire rope automatically cleaning lubricating maintenance device |
| CN109019221A (en) * | 2018-08-21 | 2018-12-18 | 石宏扬 | A kind of mine lift cage safety protecting method |
| CN210457312U (en) * | 2019-06-11 | 2020-05-05 | 江苏省苏中建设集团股份有限公司 | Special material lifting means of construction |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115094812A (en) * | 2022-06-30 | 2022-09-23 | 郑州森鹏电子技术股份有限公司 | Lifting dust collection device for detecting road dust accumulation load and vehicle |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203699606U (en) | Lifter and iron tower | |
| CN106629530B (en) | A kind of building high and medium implement | |
| CN210825174U (en) | Promote stable monospar gantry crane | |
| CN110817760B (en) | High-altitude feeding equipment | |
| CN209276008U (en) | A kind of architectural decoration material lifting device | |
| CN111071910A (en) | A balancing unit for tower crane hoist and mount material | |
| CN203813314U (en) | Elevating device | |
| CN208249732U (en) | A kind of engineering gantry crane | |
| CN110182709A (en) | A kind of construction Special material lifting means | |
| CN213416063U (en) | Overhead hanging basket for steel reinforcement framework | |
| CN108853765A (en) | A kind of novel escape descending lifeline | |
| CN210764017U (en) | Hoisting machinery device for building | |
| CN210457312U (en) | Special material lifting means of construction | |
| CN209024082U (en) | A kind of fixed gantry crane | |
| CN201793342U (en) | Double guide cable system for overhead vertical lifting of building | |
| CN101934994A (en) | Building high-altitude vertical hoisting double-guide cable system and assisting method | |
| CN213738247U (en) | Hoisting device is used in steam turbine cylinder cap production | |
| CN209536803U (en) | A kind of European crane of low quiet empty electric single-beam | |
| CN109052102B (en) | Emergency safety braking device for elevator | |
| CN208279269U (en) | The Worker carrying basket of steady safety | |
| CN209383294U (en) | A kind of derrick crane adjusting height with rock-steady structure | |
| CN208265652U (en) | A kind of transformer on-load voltage regulating tap switch boom hoisting | |
| CN203684999U (en) | Flexible lifting gate | |
| CN216549258U (en) | Safety production protection device for aviation crane | |
| CN201801267U (en) | Simple passenger carrying device for large-sized hoisting facility |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |