CN106271566B - A kind of erecting device of screw shaft of ship hydraulic nut easy to use - Google Patents

A kind of erecting device of screw shaft of ship hydraulic nut easy to use Download PDF

Info

Publication number
CN106271566B
CN106271566B CN201610676273.7A CN201610676273A CN106271566B CN 106271566 B CN106271566 B CN 106271566B CN 201610676273 A CN201610676273 A CN 201610676273A CN 106271566 B CN106271566 B CN 106271566B
Authority
CN
China
Prior art keywords
connecting seat
connector
turning set
seat
erecting device
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.)
Active
Application number
CN201610676273.7A
Other languages
Chinese (zh)
Other versions
CN106271566A (en
Inventor
汪国君
王亚东
曹兴林
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Dongtai Haipeng Shipping Fittings Co Ltd
Original Assignee
Dongtai Haipeng Shipping Fittings Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Dongtai Haipeng Shipping Fittings Co Ltd filed Critical Dongtai Haipeng Shipping Fittings Co Ltd
Priority to CN201610676273.7A priority Critical patent/CN106271566B/en
Publication of CN106271566A publication Critical patent/CN106271566A/en
Application granted granted Critical
Publication of CN106271566B publication Critical patent/CN106271566B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23PMETAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
    • B23P19/00Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes
    • B23P19/04Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes for assembling or disassembling parts
    • B23P19/06Screw or nut setting or loosening machines

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Mutual Connection Of Rods And Tubes (AREA)

Abstract

The invention discloses a kind of erecting device of screw shaft of ship hydraulic nut easy to use,Including the first connecting seat,Second connecting seat,First connector,Second connector,Turning set,Some fixed mechanisms,Upper flap seat,Lower flap seat,Two mounting bases,Adjusting screw rod,Motor,Gearbox,Gear,Rack and concentric locating mechanism,Rotatable turning set is installed on first connecting seat and the second connecting seat,The turning set is equipped with rack and the circumferentially fixed mechanism of shape distribution between the first connecting seat and the second connecting seat,The upper end of first connecting seat and the second connecting seat is provided with the first connector,First connector is equipped with slidably upper flap seat,The front and rear of first connector is equipped with mounting base,The mounting base is equipped with rotatable adjusting screw rod,The adjusting screw rod is threaded through on flap seat and is threadedly coupled with upper flap seat,Compared with prior art,Can be easy to use,Save manpower,Installation effectiveness is high.

Description

A kind of erecting device of screw shaft of ship hydraulic nut easy to use
【Technical field】
The present invention relates to the technical field of shipbuilding, particularly a kind of peace of screw shaft of ship hydraulic nut easy to use The technical field of assembling device.
【Background technology】
As China builds the gradual increase of the tonnage of ship, the hydraulic pressure spiral shell of the effects such as set and locking screw paddle is used on screw shaft of ship Female diameter is also increasing therewith, its weight has reached more than hundreds of kilograms, can not be held and installed with manpower.Existing installation Technology is to be entangled the outer ring of hydraulic nut with wirerope, and is lifted to the axis center position of stern tube shaft outer end, by the branch at stern tube shaft end Hydraulic nut, upper stern tube shaft is tightened with manpower by support.Due to after lifting steel wire and hydraulic nut outer ring there are certain frictional force, because This, rotational hydraulic nut has high labor costs, and installs and coordinates nor easily, work efficiency is not high with stern tube shaft end.
【The content of the invention】
The purpose of the present invention is exactly to solve the problems of the prior art, proposes a kind of screw shaft of ship hydraulic pressure spiral shell easy to use Female erecting device, can be easy to use, saves manpower, and installation effectiveness is high, easy to adjust quick.
To achieve the above object, the present invention proposes a kind of erecting device of screw shaft of ship hydraulic nut easy to use, Including the first connecting seat, the second connecting seat, the first connector, the second connector, turning set, some fixed mechanisms, upper flap seat, under Flap seat, two mounting bases, adjusting screw rod, motor, gearbox, gear, rack and concentric locating mechanism, first connecting seat and Rotatable turning set is installed, the turning set is equipped with tooth between the first connecting seat and the second connecting seat on the second connecting seat The fixed mechanism that bar and circumferentially shape are distributed, the upper end of first connecting seat and the second connecting seat are provided with the first connector, First connector is equipped with slidably upper flap seat, the front and rear of first connector and is equipped with mounting base, institute To state mounting base and be equipped with rotatable adjusting screw rod, the adjusting screw rod is threaded through on flap seat and is threadedly coupled with upper flap seat, The lower end of first connecting seat and the second connecting seat is provided with the second connector, and the lower end of second connector, which is equipped with down, hangs Seat, second connector are equipped with gearbox, and the motor is installed on gearbox and is connected with gearbox transmission, the change The output shaft of fast case is equipped with gear, the wheel and rack engagement connection, the concentric locating mechanism include the first supporter, Second supporter, two the first positioning bodies, two the second positioning bodies, two the first slide masses, two the second slide masses, first are adjusted Pole and the second adjusting rod, first supporter are connected with the second supporter square crossing, the both ends of first supporter The first positioning body is equipped with, the both ends of first adjusting rod are rotatably connected with two the first positioning bodies respectively, and described first Adjusting rod is equipped with the first slide mass being threadedly coupled, and first slide mass is slidably set on the first supporter, described The both ends of second supporter are equipped with the second positioning body, and the both ends of second adjusting rod can turn with two the second positioning bodies respectively Dynamic connection, second adjusting rod are equipped with the second slide mass being threadedly coupled, and second slide mass is slidably set in the On two supporters, the distance between outside of described two first positioning bodies is equal with the internal diameter of turning set, and described two second The distance between outside of positioning body is equal with the internal diameter of turning set.
Preferably, first adjusting rod turns portion between two the first slide masses equipped with first, described second adjusts Pole turns portion between two the second slide masses equipped with second.
Preferably, it is equipped with step on the inside of first slide mass and the second slide mass.
Preferably, the cross section of first connector is H-shaped shape.
Preferably, the upper flap seat includes pedestal, some clutch shaft bearings and hanging ring, the upper end of the pedestal, which is equipped with, hangs Ring, the pedestal is on the outside of the upper end of the first connector and inner side is equipped with clutch shaft bearing.
Preferably, the quantity of the fixed mechanism is four, the fixed mechanism includes threaded rod, the first fixation spiral shell Mother, the second fixing nut, section, mounting bracket, installing plate and two fixed bodies, the turning set are equipped with mounting bracket, the spiral shell Rasp bar is threaded through on mounting bracket and turning set, and the threaded rod is on the outside of the upper end of mounting bracket and inner side is respectively equipped with the first fixation Nut and the second fixing nut, the threaded rod are equipped with section, and the rear end of the threaded rod is equipped with installing plate in turning set, The rear end of the installing plate is equipped with fixed body, and the working face of the fixed body is arcuate shape.
Preferably, the upper end of the threaded rod is equipped with groove, the cross section of the groove is regular polygon shape.
Preferably, the inner wall of first connecting seat and the second connecting seat is fixed with supporting rack by fixing bolt, Support frame as described above is equipped with two second bearings, and the turning set is equipped with circular positioning body between two second bearings, The positioning body is fixedly connected by fastening bolt with turning set.
Preferably, support frame as described above includes installation axle and connecting shaft, the installation axle and connecting shaft are integrally formed machine Structure, the both ends of the installation axle are equipped with second bearing, and the inner wall of first connecting seat and the second connecting seat is equipped with and connects The matched inserting groove of insertion end of axis.
Beneficial effects of the present invention:The present invention at work, rotates the first adjusting rod and the second adjusting rod, makes first respectively Slide mass and the second slide mass clamp hydraulic nut, and ensure that step is located at the upper end of hydraulic nut, by suspender belt both ends It is fixedly connected respectively with upper flap seat and lower flap seat, slings erecting device and be set in concentric locating mechanism, and pass through fixed mechanism Hydraulic nut is fixed, then removes concentric locating mechanism, and unloads suspender belt, the suspension hook of hoisting device is directly hooked upper On flap seat, then sling, and be adjusted by rotating adjusting screw rod, hydraulic nut is in vertical state, then pass through motor Gearbox work is driven, gearbox moves turning set by the mating band of gear and rack and rotates, and turning set drives hydraulic nut to turn Move until being screwed into place, compared with prior art, can be easy to use, manpower is saved, installation effectiveness is high.
The feature and advantage of the present invention will be described in detail by embodiment combination attached drawing.
【Brief description of the drawings】
Fig. 1 is a kind of structure diagram of the erecting device of screw shaft of ship hydraulic nut easy to use of the present invention;
Fig. 2 is the structure diagram of concentric locating mechanism;
Fig. 3 is the side view of concentric locating mechanism.
In figure:The first connecting seats of 1-, the second connecting seats of 2-, the first connectors of 3-, the second connectors of 4-, 5- turning sets, 6- Flap seat, 9- mounting bases, 10- adjusting screw rods, 11- motors, 12- gearboxes, 13- gears, 14- under the upper flap seat of fixed mechanism, 7-, 8- Rack, 15- supporting racks, 16- fixing bolts, 17- second bearings, 18- positioning bodies, 19- inserting grooves, 20- grooves, concentric locating machine Structure, the first supporters of 211-, the second supporters of 212-, the first positioning bodies of 213-, the second positioning bodies of 214-, 215- first are slided Body, the second slide masses of 216-, the first adjusting rods of 217-, the second adjusting rods of 218-, 219- first turn portion, 2110- second is turned Portion, 2111- steps, 61- threaded rods, the first fixing nuts of 62-, the second fixing nuts of 63-, 64- sections, 65- mounting brackets, 66- Installing plate, 67- fixed bodies, 71- pedestals, 72- clutch shaft bearings, 73- hanging rings, 151- installation axles, 152- connecting shafts.
【Embodiment】
Refering to Fig. 1, Fig. 2 and Fig. 3, a kind of erecting device of screw shaft of ship hydraulic nut easy to use of the invention, including First connecting seat 1, the second connecting seat 2, the first connector 3, the second connector 4, turning set 5, some fixed mechanisms 6, upper flap seat 7th, lower 8, two mounting bases 9 of flap seat, adjusting screw rod 10, motor 11, gearbox 12, gear 13, rack 14 and concentric locating mechanism, Rotatable turning set 5 is installed on first connecting seat, 1 and second connecting seat 2, the turning set 5 is in the first connecting seat 1 Rack 14 is equipped between the second connecting seat 2 and circumferentially the fixed mechanism 6 of shape distribution, first connecting seat 1 and second connect The upper end of joint chair 2 is provided with the first connector 3, and first connector 3 is equipped with slidably upper flap seat 7, and described first connects The front and rear of junctor 3 is equipped with mounting base 9, and the mounting base 9 is equipped with rotatable adjusting screw rod 10, the adjusting spiral shell Bar 10 is threaded through on flap seat 7 and is threadedly coupled with upper flap seat 7, the lower end installation of 1 and second connecting seat 2 of the first connecting seat There is the second connector 4, the lower end of second connector 4 is equipped with lower flap seat 8, and second connector 4 is equipped with gearbox 12, The motor 11 is installed on gearbox 12 and is sequentially connected with gearbox 12, and the output shaft of the gearbox 12 is equipped with gear 13, the gear 13 engages connection with rack 14, and the concentric locating mechanism includes the first supporter 211, the second supporter 212nd, two the first slide masses of the second positioning body 214, two of the first positioning body 213, two, 215, two the second slide masses 216, First adjusting rod 217 and the second adjusting rod 218, first supporter 211 are connected with 212 square crossing of the second supporter, institute The both ends for stating the first supporter 211 are equipped with the first positioning body 213, the both ends of first adjusting rod 217 respectively with two One positioning body 213 is rotatably connected, first slide mass 215 of first adjusting rod 217 equipped with threaded connection, and described first Slide mass 215 is slidably set on the first supporter 211, and the both ends of second supporter 212 are equipped with the second positioning body 214, the both ends of second adjusting rod 218 are rotatably connected with two the second positioning bodies 214 respectively, second adjusting rod 218 are equipped with the second slide mass 216 being threadedly coupled, and second slide mass 216 is slidably set in the second supporter 212 On, the distance between outside of described two first positioning bodies 213 is equal with the internal diameter of turning set 5, described two second positioning The distance between outside of body 214 is equal with the internal diameter of turning set 5, and first adjusting rod 217 is in two the first slide masses 215 Between equipped with first turn portion 219, second adjusting rod 218 turns portion between two the second slide masses 216 equipped with second 2110, the inner side of 215 and second slide mass 216 of the first slide mass is equipped with step 2111, the horizontal stroke of first connector 3 Section is H-shaped shape, and the upper flap seat 7 includes pedestal 71, some clutch shaft bearings 72 and hanging ring 73, and the upper end of the pedestal 71 is set There is hanging ring 73, the pedestal 71 is on the outside of the upper end of the first connector 3 and inner side is equipped with clutch shaft bearing 72, the fixed mechanism 6 quantity be four, the fixed mechanism 6 include threaded rod 61, the first fixing nut 62, the second fixing nut 63, section 64, Mounting bracket 65, installing plate 66 and two fixed bodies 67, the turning set 5 are equipped with mounting bracket 65, and the threaded rod 61 is threaded through On mounting bracket 65 and turning set 5, the threaded rod 61 is on the outside of the upper end of mounting bracket 65 and inner side is respectively equipped with the first fixation spiral shell 62 and second fixing nut 63 of mother, the threaded rod 61 are equipped with section 64, and the rear end of the threaded rod 61 is set in turning set 5 There is installing plate 66, the rear end of the installing plate 66 is equipped with fixed body 67, and the working face of the fixed body 67 is arcuate shape, described The upper end of threaded rod 61 is equipped with groove 20, and the cross section of the groove 20 is regular polygon shape, first connecting seat 1 and The inner wall of two connecting seats 2 is fixed with supporting rack 15 by fixing bolt 16, and support frame as described above 15 is equipped with two second bearings 17, the turning set 5 is equipped with circular positioning body 18 between two second bearings 17, and the positioning body 18 is by fastening spiral shell Bolt is fixedly connected with turning set 5, and support frame as described above 15 includes installation axle 151 and connecting shaft 152, and the installation axle 151 is with being connected Axis 152 is integrally formed mechanism, and the both ends of the installation axle 151 are equipped with second bearing 17, and first connecting seat 1 and second connects The inner wall of joint chair 2 is equipped with inserting groove 19 matched with the insertion end of connecting shaft 152.
The course of work of the present invention:
A kind of erecting device of screw shaft of ship hydraulic nut easy to use of the present invention during the work time, rotates the respectively One adjusting rod 217 and the second adjusting rod 218, make the first slide mass 215 and the second slide mass 216 clamp hydraulic nut, And ensure that step 2111 is located at the upper end of hydraulic nut, suspender belt both ends are fixedly connected with upper flap seat and lower flap seat respectively, are sling Erecting device is set in concentric locating mechanism, and hydraulic nut is fixed by fixed mechanism 6, and it is fixed with one heart then to remove Position mechanism, and suspender belt is unloaded, the suspension hook of hoisting device is directly hooked on upper flap seat 7, is then sling, and spiral shell is adjusted by rotating Bar 10 is adjusted, and hydraulic nut is in vertical state, then drives gearbox 12 to work by motor 11, and gearbox 12 passes through The mating band of gear 13 and rack 14 is moved turning set 5 and is rotated, and turning set 5 drives hydraulic nut to rotate until being screwed into place, and existing Technology is compared, can be easy to use, saves manpower, and installation effectiveness is high.
Above-described embodiment is the description of the invention, is not limitation of the invention, it is any to simple transformation of the present invention after Scheme belong to protection scope of the present invention.

Claims (9)

  1. A kind of 1. erecting device of screw shaft of ship hydraulic nut easy to use, it is characterised in that:Including the first connecting seat (1), Second connecting seat (2), the first connector (3), the second connector (4), turning set (5), some fixed mechanisms (6), upper flap seat (7), lower flap seat (8), two mounting bases (9), adjusting screw rod (10), motor (11), gearbox (12), gear (13), rack (14) and concentric locating mechanism rotatable turning set (5), is installed on first connecting seat (1) and the second connecting seat (2), The turning set (5) between the first connecting seat (1) and the second connecting seat (2) be equipped with rack (14) and circumferentially shape be distributed consolidate Determine mechanism (6), the upper end of first connecting seat (1) and the second connecting seat (2) is provided with the first connector (3), and described first Connector (3) is equipped with slidably upper flap seat (7), the front and rear of first connector (3) and is equipped with mounting base (9), the mounting base (9) is equipped with rotatable adjusting screw rod (10), and the adjusting screw rod (10) is threaded through on flap seat (7) And be threadedly coupled with upper flap seat (7), the lower end of first connecting seat (1) and the second connecting seat (2) is provided with the second connector (4), the lower end of second connector (4) is equipped with lower flap seat (8), and second connector (4) is equipped with gearbox (12), institute Motor (11) is stated on gearbox (12) and is sequentially connected with gearbox (12), is set on the output shaft of the gearbox (12) There is gear (13), the gear (13) engages connection with rack (14), and the concentric locating mechanism includes the first supporter (211), the second supporter (212), two the first positioning bodies (213), two the second positioning bodies (214), two the first slide masses (215), two the second slide masses (216), the first adjusting rod (217) and the second adjusting rod (218), first supporter (211) it is connected with the second supporter (212) square crossing, the both ends of first supporter (211) are equipped with the first positioning body (213), the both ends of first adjusting rod (217) are rotatably connected with two the first positioning bodies (213) respectively, and described first adjusts Pole (217) is equipped with the first slide mass (215) being threadedly coupled, and first slide mass (215) is slidably set in first On supporter (211), the both ends of second supporter (212) are equipped with the second positioning body (214), second adjusting rod (218) both ends are rotatably connected with two the second positioning bodies (214) respectively, and second adjusting rod (218) is equipped with screw thread The second slide mass (216) of connection, second slide mass (216) are slidably set on the second supporter (212), and described two The distance between the outside of a first positioning body (213) is equal with the internal diameter of turning set (5), described two second positioning bodies (214) the distance between outside is equal with the internal diameter of turning set (5).
  2. A kind of 2. erecting device of screw shaft of ship hydraulic nut easy to use as claimed in claim 1, it is characterised in that:Institute State the first adjusting rod (217) and turn portion (219), second adjusting rod equipped with first between two the first slide masses (215) (218) between two the second slide masses (216) portion (2110) is turned equipped with second.
  3. A kind of 3. erecting device of screw shaft of ship hydraulic nut easy to use as claimed in claim 1, it is characterised in that:Institute State and be equipped with step (2111) on the inside of the first slide mass (215) and the second slide mass (216).
  4. A kind of 4. erecting device of screw shaft of ship hydraulic nut easy to use as claimed in claim 1, it is characterised in that:Institute The cross section for stating the first connector (3) is H-shaped shape.
  5. A kind of 5. erecting device of screw shaft of ship hydraulic nut easy to use as claimed in claim 1, it is characterised in that:Institute Stating flap seat (7) includes pedestal (71), some clutch shaft bearings (72) and hanging ring (73), and the upper end of the pedestal (71) is equipped with hanging ring (73), the pedestal (71) is on the outside of the upper end of the first connector (3) and inner side is equipped with clutch shaft bearing (72).
  6. A kind of 6. erecting device of screw shaft of ship hydraulic nut easy to use as claimed in claim 1, it is characterised in that:Institute The quantity for stating fixed mechanism (6) is four, and the fixed mechanism (6) includes threaded rod (61), the first fixing nut (62), second Fixing nut (63), section (64), mounting bracket (65), installing plate (66) and two fixed bodies (67), set on the turning set (5) There is mounting bracket (65), the threaded rod (61) is threaded through on mounting bracket (65) and turning set (5), and the threaded rod (61) is being installed On the outside of the upper end of frame (65) and inner side is respectively equipped with the first fixing nut (62) and the second fixing nut (63), the threaded rod (61) section (64) are equipped with, the rear end of the threaded rod (61) is equipped with installing plate (66), the installing plate in turning set (5) (66) rear end is equipped with fixed body (67), and the working face of the fixed body (67) is arcuate shape.
  7. A kind of 7. erecting device of screw shaft of ship hydraulic nut easy to use as claimed in claim 6, it is characterised in that:Institute The upper end for stating threaded rod (61) is equipped with groove (20), and the cross section of the groove (20) is regular polygon shape.
  8. A kind of 8. erecting device of screw shaft of ship hydraulic nut easy to use as claimed in claim 1, it is characterised in that:Institute The inner wall for stating the first connecting seat (1) and the second connecting seat (2) is fixed with supporting rack (15), the branch by fixing bolt (16) Support (15) is equipped with two second bearings (17), and the turning set (5) is equipped with annular shape between two second bearings (17) Positioning body (18), the positioning body (18) is fixedly connected by fastening bolt with turning set (5).
  9. A kind of 9. erecting device of screw shaft of ship hydraulic nut easy to use as claimed in claim 8, it is characterised in that:Institute Stating supporting rack (15) includes installation axle (151) and connecting shaft (152), and the installation axle (151) is integrated into connecting shaft (152) Type mechanism, the both ends of the installation axle (151) are equipped with second bearing (17), first connecting seat (1) and the second connecting seat (2) Inner wall be equipped with the matched inserting groove of insertion end (19) of connecting shaft (152).
CN201610676273.7A 2016-08-16 2016-08-16 A kind of erecting device of screw shaft of ship hydraulic nut easy to use Active CN106271566B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201610676273.7A CN106271566B (en) 2016-08-16 2016-08-16 A kind of erecting device of screw shaft of ship hydraulic nut easy to use

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201610676273.7A CN106271566B (en) 2016-08-16 2016-08-16 A kind of erecting device of screw shaft of ship hydraulic nut easy to use

Publications (2)

Publication Number Publication Date
CN106271566A CN106271566A (en) 2017-01-04
CN106271566B true CN106271566B (en) 2018-04-17

Family

ID=57678536

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201610676273.7A Active CN106271566B (en) 2016-08-16 2016-08-16 A kind of erecting device of screw shaft of ship hydraulic nut easy to use

Country Status (1)

Country Link
CN (1) CN106271566B (en)

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100569434C (en) * 2008-03-07 2009-12-16 渤海船舶重工有限责任公司 Propeller hydraulic nut fastening device
CN201235928Y (en) * 2008-07-09 2009-05-13 扬帆集团有限公司 Installation apparatus for installing hydraulic nut at watercraft tail shaft
CN201271868Y (en) * 2008-10-07 2009-07-15 江苏华阳重工科技股份有限公司 Super large nut assembling and disassembling device for ship
CN202212757U (en) * 2011-08-03 2012-05-09 广州中船黄埔造船有限公司 Hydraulic nut mounting device
KR20130094539A (en) * 2012-02-16 2013-08-26 삼성중공업 주식회사 Nut installation jig

Also Published As

Publication number Publication date
CN106271566A (en) 2017-01-04

Similar Documents

Publication Publication Date Title
CN204607396U (en) A kind of stator core suspender
CN106181346B (en) A kind of erecting device of multi-functional screw shaft of ship hydraulic nut
CN104121811B (en) A kind of four-point supporting and may be spinning, the small-sized fixed launcher of leveling
CN107986169A (en) A kind of lifting equipment of building machinery assembling
CN106078187B (en) A kind of erecting device of screw shaft of ship hydraulic nut
CN209793621U (en) Bearing dismounting device
CN103224194A (en) Coiling iron core overturning and hoisting apparatus
CN106271566B (en) A kind of erecting device of screw shaft of ship hydraulic nut easy to use
CN208772219U (en) A kind of triple roller rounding machine
CN106181344B (en) A kind of mounting device of modified form screw shaft of ship hydraulic nut
CN106217018B (en) A kind of erecting device of screw shaft of ship hydraulic nut easy to use
CN106271497B (en) A kind of mounting device of screw shaft of ship hydraulic nut
CN116513978B (en) Floor rocker arm holding pole lifting device for electric power construction and use method thereof
CN205838294U (en) A kind of pivoting support automatic hoisting tool
CN106239115B (en) A kind of Multifunctional installation apparatus of screw shaft of ship hydraulic nut easy to use
CN215905681U (en) Fan tower section of thick bamboo stands up and uses hoist and mount system
CN211393549U (en) Tool structure for assembling wind power gear box planet bearing
CN208071113U (en) A kind of adaptive four pulleys lift dog
CN208916658U (en) A kind of vertical cantilever jack machinism
CN106181345B (en) A kind of Multifunctional installation apparatus of screw shaft of ship hydraulic nut
CN110950233B (en) Wind-powered electricity generation gear box planet wheel assembly balancing unit
CN210435676U (en) Tool for horizontally hoisting marine hydraulic nut
CN206955491U (en) A kind of precast floor slab handling apparatus
CN220578736U (en) Building construction hoist device
CN204251092U (en) The bracket system of steel rope reel

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant