CN109132929A - Quick-lift attachreactor for road and bridge construction - Google Patents

Quick-lift attachreactor for road and bridge construction Download PDF

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Publication number
CN109132929A
CN109132929A CN201811333496.9A CN201811333496A CN109132929A CN 109132929 A CN109132929 A CN 109132929A CN 201811333496 A CN201811333496 A CN 201811333496A CN 109132929 A CN109132929 A CN 109132929A
Authority
CN
China
Prior art keywords
plate
protective baffle
baffle plate
lifting
protection post
Prior art date
Application number
CN201811333496.9A
Other languages
Chinese (zh)
Other versions
CN109132929B (en
Inventor
夏英志
李勇
丁丽
陈亚奇
裴海娜
邱军延
周明松
丁亚军
Original Assignee
河南城建学院
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 河南城建学院 filed Critical 河南城建学院
Priority to CN201811333496.9A priority Critical patent/CN109132929B/en
Priority to CN201711474377.0A priority patent/CN108217515B/en
Publication of CN109132929A publication Critical patent/CN109132929A/en
Application granted granted Critical
Publication of CN109132929B publication Critical patent/CN109132929B/en

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B66HOISTING; LIFTING; HAULING
    • B66FHOISTING, 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
    • B66F7/00Lifting frames, e.g. for lifting vehicles; Platform lifts
    • B66F7/02Lifting frames, e.g. for lifting vehicles; Platform lifts with platforms suspended from ropes, cables, or chains or screws and movable along pillars
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B66HOISTING; LIFTING; HAULING
    • B66FHOISTING, 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
    • B66F17/00Safety devices, e.g. for limiting or indicating lifting force
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B66HOISTING; LIFTING; HAULING
    • B66FHOISTING, 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
    • B66F7/00Lifting frames, e.g. for lifting vehicles; Platform lifts
    • B66F7/28Constructional details, e.g. end stops, pivoting supporting members, sliding runners adjustable to load dimensions
    • EFIXED CONSTRUCTIONS
    • E01CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01DCONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
    • E01D21/00Methods or apparatus specially adapted for erecting or assembling bridges

Abstract

The present invention relates to the quick-lift attachreactors for road and bridge construction, including firm banking, rack shaft and wirerope, the firm banking is welded as a whole with protection post, and the top of protection post is fixed with movable pulley, it is successively welded with fixing seat and lifting device from top to bottom on the outer wall of the protection post, and placement plate is provided between protection post, the top of the rack shaft passes through fixing seat, and rack shaft is connect with fixing seat bearing, the both ends of the placement plate are an integral structure with lifting plate, and through there is slide post inside lifting plate, the bottom end of the slide post is welded on firm banking, the top of the wirerope is fixedly connected around movable pulley with lifting plate.The bridge construction machinery quick-lift attachreactor is provided with interior protective baffle plate and outer protective baffle plate, in this way when generation lifting rope fracture, when the tool of promotion is quickly fallen, tool can be by enclosing between interior protective baffle plate, outer protective baffle plate and protection post, it not will pop up to the external world and injure operator by a crashing object, it is highly-safe.

Description

Quick-lift attachreactor for road and bridge construction

Present patent application is divisional application, and parent application number is 2017114743770, and parent application number is December 29 in 2017 Day.

Technical field

The present invention relates to technical field of bridge construction, more particularly to the quick-lift attachreactor for road and bridge construction.

Background technique

In bridge construction process, it usually needs working tool is lifted into eminence, it is existing to carry out eminence construction Some lifting devices do not have safeguard measure, and when lifting rope fracture, the tool quickly fallen may pound the operator of lower section Wound, there are security risks, while tool is directly fallen on ground, are easily damaged, and reduce working efficiency, not very practical, mirror In the above defect existing in the prior art, it is necessary to be further improved, make it more for practicability, can just meet reality Service condition.

Summary of the invention

For above situation, the technical problem to be solved in the present invention is to provide a kind of quickly mentioning for road and bridge construction Rise device, it is therefore intended that solving existing lifting device does not have safeguard measure, and when lifting rope fracture, the tool quickly fallen may The operator of lower section can be injured by a crashing object, there are security risks, while tool is directly fallen on ground, are easily damaged, and reduce work Make efficiency, not very practical problem.

Its technical solution is: for the quick-lift attachreactor of road and bridge construction, including firm banking, rack shaft and steel wire Rope, the firm banking is welded as a whole with protection post, and the top of protection post is fixed with movable pulley, the outer wall of the protection post On be successively welded with fixing seat and lifting device from top to bottom, and placement plate is provided between protection post, the top of the rack shaft End is across fixing seat, and rack shaft is connect with fixing seat bearing, and both ends and the lifting plate of the placement plate are an integral structure, and Through there is slide post inside lifting plate, the bottom end of the slide post is welded on firm banking, and the top of the wirerope bypasses Movable pulley is fixedly connected with lifting plate, and the protection post is in convex structure, and it is symmetrical arranged about firm banking, while 2 Spacing between a protection post both ends is greater than the width of placement plate, the protection post include interior protective baffle plate, outer protective baffle plate, Rail and sliding groove are slided, and offers consistent with interior protective baffle plate and outer protective baffle plate shape inside protection post and is used for interior protection The open slot of baffle and the rotation of outer protective baffle plate, while interior protective baffle plate and outer protective baffle plate are located at the inside of the open slot, institute The outer wall for stating interior protective baffle plate and outer protective baffle plate is provided with sliding rail compatible with sliding groove, and sliding groove is opened in this and opens On the cell wall of mouth slot, while sliding rail and being located in sliding groove.

In one embodiment, the placement plate includes movable plate, shaft, transmission gear, the first driving rack, lifting gear Plate, open slot, sliding bar, lifting seat and elastic spring, and open slot is offered in placement plate, while placement plate bottom end is fixed with Lifting seat, the movable plate is fixed in placement plate by shaft, and transmission gear is provided in shaft, the transmission gear and Adjustable end stop is respectively positioned in open slot, and adjustable end stop on be welded with the first driving rack, while the first driving rack and passing Moving gear is meshed, and the adjustable end stop two sides are run through at equal intervals sliding bar, and sliding bar bottom end is worn inside lifting seat It crosses, the top of the sliding bar is concordant with adjustable end stop top, and is cased with elastic spring between sliding bar bottom end and lifting seat.

In the above-described embodiments, the cross section of the adjustable end stop and open slot is at " Kan " shape structure, and adjustable end stop Both ends be mutually perpendicular to movable plate.

In one embodiment, the lifting device include motor, worm screw, fixed link, turbine, fixed pulley, locating rod, Second driving rack, connecting plate and screw rod, the motor is fixedly connected with worm screw, and worm screw is meshed with turbine, simultaneously Turbine is fixed in fixed link, and the both ends of the fixed link are fixed with fixed pulley, and the both ends of fixed link and lifting device is interior Wall is flexibly connected, and the fixed pulley is fixedly connected with the bottom end of wirerope, and the locating rod bottom end is welded on lifting device, and The top of locating rod extends to the inside of the second driving rack, while the second driving rack is meshed with turbine, and described second passes Carry-over bar is connected with screw rod by connecting plate.

In the above-described embodiments, the opening-like knot in lifting device surface of the fixed pulley and the second driving rack top Structure.

In the above-described embodiments, the rack shaft is hollow structure, and top extends to interior protective baffle plate and outer anti-guard block Between plate, and interior protective baffle plate and outer protective baffle plate inner wall surface are rack shape and are meshed simultaneously with rack shaft, same to hour rack The inner wall of axis offers the screw thread to match with screw rod, and the bottom end of screw rod extends to the inside of rack shaft.

The beneficial effects of the present invention are: the quick-lift attachreactor for being used for road and bridge construction be provided with interior protective baffle plate and Outer protective baffle plate, when carrying out hoisting tool, interior protective baffle plate and outer protective baffle plate can be started turning, and will be between protection post It is open to sheltering from, in this way when lifting rope fracture occurs, when the tool of promotion is quickly fallen, tool can be by guard block anti-including enclosing Between plate, outer protective baffle plate and protection post, it not will pop up to the external world and injure operator by a crashing object, it is highly-safe, while lifting plate Bottom end be provided with adjustable end stop, cooperation movable plate can put tool link on the spot, and tool is fallen on ground, will not fall off promotion Plate, such tool is when falling on ground, under the action of elastic spring, has good buffering effect, thus very great Cheng A possibility that tool damage is reduced on degree, it is practical.

Detailed description of the invention

Fig. 1 is the positive structure diagram in the present invention;

Fig. 2 is the placement plate overlooking structure diagram in the present invention;

Fig. 3 is the placement plate positive structure diagram in the present invention;

Fig. 4 is the lifting device internal structure enlarged diagram in the present invention;

Fig. 5 is Fig. 1 overlooking structure diagram in the present invention;

Fig. 6 is rack shaft and screw rod partial structural diagram in the present invention;

Fig. 7 is A point enlarged structure schematic diagram in Fig. 5 in the present invention;

Fig. 8 is the interior protective baffle plate and outer protective baffle plate partial elevational structural schematic diagram in the present invention.

Specific embodiment

Below with reference to the attached drawing in the embodiment of the present invention, 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.

It will be recognized by those of ordinary skill in the art that the positional terms such as " upper end ", " lower end ", "outside", "inner" are needles For the description term of attached drawing, it is not offered as the limitation of the protection scope limited the claim.

Referring to Fig. 1, as shown in embodiment in attached drawing, for the quick-lift attachreactor of road and bridge construction, including protection post 2, protection post 2 is in convex structure, and it is symmetrical arranged about firm banking 1, while the spacing between 22 both ends of protection post Greater than the width of placement plate 5, tool is promoted by 2 lifting devices 8 in this way, the purpose of fast lifting may be implemented, Stability is good simultaneously, while people's place tool is convenient in the design of the distance between protection post 2.

Referring to Fig. 1, Fig. 5, as shown in embodiment in attached drawing, firm banking 1 is welded as a whole with protection post 2, and protection post 2 Top be fixed with movable pulley 10, be successively welded with fixing seat 3 and lifting device 8 on the outer wall of protection post 2 from top to bottom, and anti- Placement plate 5 is provided between guard post 2, the top of rack shaft 4 passes through fixing seat 3, and rack shaft 4 is connect with 3 bearing of fixing seat, is put The both ends and lifting plate 6 for setting plate 5 are an integral structure, and through there is slide post 7 inside lifting plate 6, the bottom end of slide post 7 is welded In on firm banking 1, the top of wirerope 9 is fixedly connected around movable pulley 10 with lifting plate 6, under the action of movable pulley 10, Lifting device 8 can be by driving wirerope 9 that lifting plate 6 is pulled to move up along slide post 7, to realize drive placement plate 5 move up, so that the purpose for passing through 5 hoisting tool of placement plate is realized, to realize that drive is placed 5 and moved up.

Referring to fig. 2, Fig. 3, as shown in embodiment in attached drawing, placement plate 5 includes movable plate 501, shaft 502, driving cog The 503, first driving rack 504, adjustable end stop 505, open slot 506, sliding bar 507, lifting seat 508 and elastic spring 509 are taken turns, And open slot 506 being offered in placement plate 5, while 5 bottom end of placement plate is fixed with lifting seat 508, movable plate 501 passes through shaft 502 are fixed in placement plate 5, and transmission gear 503 is provided in shaft 502, transmission gear 503 and the equal position of adjustable end stop 505 In in open slot 506, and adjustable end stop 505 on be welded with the first driving rack 504, while the first driving rack 504 with pass Moving gear 503 is meshed, and 505 two sides of adjustable end stop are run through at equal intervals sliding bar 507, and 507 bottom end of sliding bar is from lifting 508 inside of seat passes through, and the top of sliding bar 507 is concordant with 505 top of adjustable end stop, and 507 bottom end of sliding bar and lifting seat 508 Between be cased with elastic spring 509, when placement plate 5 place good tool after, rotate movable plate 501, movable plate 501 rotate while It is rotated counterclockwise by shaft 502 with nutating gear 503, is risen so that transmission gear 503 is driven by the first driving rack 504 Downshift plate 505 rises, and so as to live tool enclosing, while falling on ground when placement plate 5 occurs, in adjustable end stop 505 and movable plate 501 under the action of, can prevent tool from falling off placement plate 5, while the sliding bar 507 on adjustable end stop 505 is suitable Lifting seat 508 move up, and elastic spring 509 is squeezed, the reaction force that such elastic spring 509 generates can be with The active force generated on ground is fallen to placement plate 5 to buffer, forms the effect of damping, is effectively protected placement plate 5 On tool, practical, the length of sliding bar 507 setting, so that adjustable end stop 505 will not fall off sliding in uphill process Bar 507, such sliding bar 507 can be moved freely in adjustable end stop 505, ensure that damping effect, compact overall structure, fortune Row is reasonable.

In the above-described embodiments, the cross section of adjustable end stop 505 and open slot 506 is at " Kan " shape structure, and goes up and down gear The both ends of plate 505 are mutually perpendicular to movable plate 501, and in this way after movable plate 501 is overturn to 90 °, cooperation adjustable end stop 505 can be with Combination is in rectangular box, can adequately be protected the tool in placement plate 5, using effect is good.

Referring to fig. 4, Fig. 5, Fig. 6, as shown in embodiment in attached drawing, lifting device 8 include motor 801, worm screw 802, Fixed link 803, turbine 804, fixed pulley 805, locating rod 806, the second driving rack 807, connecting plate 808 and screw rod 809, electricity Motivation 801 is fixedly connected with worm screw 802, and worm screw 802 is meshed with turbine 804, while turbine 804 is fixed on fixed link 803 On, the both ends of fixed link 803 are fixed with fixed pulley 805, and the both ends of fixed link 803 are flexibly connected with the inner wall of lifting device 8, Fixed pulley 805 is fixedly connected with the bottom end of wirerope 9, and 806 bottom end of locating rod is welded on lifting device 8, and locating rod 806 Top extends to the inside of the second driving rack 807, while the second driving rack 807 is meshed with turbine 804, the second driving cog Item 807 is connected with screw rod 809 by connecting plate 808, and motor 801 can drive worm screw 802 to rotate, and worm screw 802 drives whirlpool Wheel 804 drives fixed link 803 to rotate, and fixed link 803 drives fixed pulley 805 to rotate counterclockwise, thus start to reel wirerope 9, So as to drive placement plate 5 to rise, the purpose of hoisting tool is realized, at the same time, turbine 804 can drive the second driving cog Item 807 is moved up along locating rod 806, and drives screw rod 809 to move up by connecting plate 808.

Referring to Fig. 7, Fig. 8, as shown in embodiment in attached drawing, protection post 2 includes interior protective baffle plate 201, outer protective baffle plate 202, rail 203 and sliding groove 204 are slided, and is offered inside protection post 2 and 202 shape of interior protective baffle plate 201 and outer protective baffle plate Shape is consistent and for the open slot that interior protective baffle plate 201 and outer protective baffle plate 202 rotate, while interior protective baffle plate 201 and outer anti- Guard 202 is located at the inside of the open slot, and the outer wall of interior protective baffle plate 201 and outer protective baffle plate 202 is provided with and sliding groove 204 compatible sliding rails 203, and sliding groove 204 is opened on the cell wall of the open slot, while being slided rail 203 and being located at sliding In slot 204, interior protective baffle plate 201 and outer protective baffle plate 202, since protection post 2 is in convex structure, and interior protective baffle plate 201 It can be in 2 inner rotation of protection post, in this way it can be seen that interior protective baffle plate 201 and outer protective baffle plate 202 with outer protective baffle plate 202 Shape it is consistent with protection post 2, while under the action of sliding groove 204 and sliding rail 203, interior protective baffle plate 201 and outer protection Baffle 202 can rotate in the open slot, and it is cylindrical that protection post 2 can be cooperated to combine, and can fall in this way when tool To ground, it can will not splash everywhere by enclosing in the cylinder interior, effectively avoid operator and come to harm, pacify Quan Xinggao.

In the above-described embodiments, 8 surface of lifting device on 807 top of fixed pulley 805 and the second driving rack is opening-like Structure, wirerope 9 can pass through lifting device 8 be fixedly connected with fixed pulley 805, thus fixed pulley 805 can to wirerope 9 into Row folding and unfolding, and then realize the purpose for driving 5 raising and lowering of placement plate, while the second driving rack 807 can be in turbine 804 Under effect, it is freely lifted, it is structurally reasonable.

In the above-described embodiments, rack shaft 4 is hollow structure, and top extends to interior protective baffle plate 201 and outer anti-guard block Between plate 202, and interior protective baffle plate 201 and 202 inner wall surface of outer protective baffle plate are rack shape and nibble simultaneously with 4 phase of rack shaft It closes, while the inner wall of rack shaft 4 offers the screw thread to match with screw rod 809, the bottom end of screw rod 809 extends to rack shaft 4 inside, screw rod 809 is during moving down, since screw rod 809 is mutually revolved with the interior wall body surface face of rack shaft 4 The screw thread of conjunction is axial shape, thus axial power can be converted by the downward power of screw rod 809, so that rack gear Axis 4 rotates in fixing seat 3, and the rack shaft 4 of rotation can drive interior protective baffle plate 201 and outer protective baffle plate 202 mobile, when putting When setting the rising improving material of plate 5, rack shaft 4 drives interior protective baffle plate 201 and outer protective baffle plate 202 inside protection post 2 It moves out, and combines with protection post 2 cylindrical, play a protective role, when placement plate 5 moves down, rack shaft 4 can band Protective baffle plate 201 and outer protective baffle plate 202 are retracted to the inside of protection post 2 in dynamic, convenient for people in 5 place tool of placement plate, It is practical.

The beneficial effects of the present invention are: the quick-lift attachreactor for being used for road and bridge construction be provided with interior protective baffle plate and Outer protective baffle plate, when carrying out hoisting tool, interior protective baffle plate and outer protective baffle plate can be started turning, and will be between protection post It is open to sheltering from, in this way when lifting rope fracture occurs, when the tool of promotion is quickly fallen, tool can be by guard block anti-including enclosing Between plate, outer protective baffle plate and protection post, it not will pop up to the external world and injure operator by a crashing object, it is highly-safe, while lifting plate Bottom end be provided with adjustable end stop, cooperation movable plate can put tool link on the spot, and tool is fallen on ground, will not fall off promotion Plate, such tool is when falling on ground, under the action of elastic spring, has good buffering effect, thus very great Cheng A possibility that tool damage is reduced on degree, it is practical.

Above by specific embodiment and embodiment, invention is explained in detail, but these are not composition pair Limitation of the invention.Without departing from the principles of the present invention, those skilled in the art can also make many deformations and change Into these also should be regarded as protection scope of the present invention.

Claims (4)

1. it is used for the quick-lift attachreactor of road and bridge construction, including firm banking (1), rack shaft (4) and wirerope (9), It is characterized in that, the firm banking (1) is welded as a whole with protection post (2), and the top of protection post (2) is fixed with movable pulley (10), it is successively welded with fixing seat (3) and lifting device (8), and protection post from top to bottom on the outer wall of the protection post (2) (2) it is provided between placement plate (5), the top of the rack shaft (4) passes through fixing seat (3), and rack shaft (4) and fixing seat (3) bearing connects, and both ends and the lifting plate (6) of the placement plate (5) be an integral structure, and lifting plate (6) it is internal run through have The bottom end of slide post (7), the slide post (7) is welded on firm banking (1), and the top of the wirerope (9) is slided around dynamic Wheel (10) is fixedly connected with lifting plate (6), and the protection post (2) is in convex structure, and it symmetrically sets about firm banking (1) It sets, while the spacing between 2 protection post (2) both ends is greater than the width of placement plate (5), the protection post (2) includes interior anti- Guard (201), outer protective baffle plate (202), sliding rail (203) and sliding groove (204), and offered inside protection post (2) and Interior protective baffle plate (201) is consistent with outer protective baffle plate (202) shape and is used for interior protective baffle plate (201) and outer protective baffle plate (202) open slot rotated, while interior protective baffle plate (201) and outer protective baffle plate (202) are located at the inside of the open slot, it is described The outer wall of interior protective baffle plate (201) and outer protective baffle plate (202) is provided with and the compatible sliding rail (203) of sliding groove (204), And sliding groove (204) is opened on the cell wall of the open slot, while being slided rail (203) and being located in sliding groove (204), the placement Plate (5) includes movable plate (501), shaft (502), transmission gear (503), the first driving rack (504), adjustable end stop (505), open slot (506), sliding bar (507), lifting seat (508) and elastic spring (509), and offered in placement plate (5) Open slot (506), while placement plate (5) bottom end is fixed with lifting seat (508), the movable plate (501) is solid by shaft (502) Due on placement plate (5), and transmission gear (503) are provided in shaft (502), the transmission gear (503) and adjustable end stop (505) be respectively positioned in open slot (506), and adjustable end stop (505) on be welded with the first driving rack (504), while first Driving rack (504) is meshed with transmission gear (503), and run through at equal intervals the adjustable end stop (505) have sliding bar by two sides (507), and sliding bar (507) bottom end passes through inside lifting seat (508), the top of the sliding bar (507) and adjustable end stop (505) top is concordant, and elastic spring (509) are cased between sliding bar (507) bottom end and lifting seat (508), the promotion dress Setting (8) includes motor (801), worm screw (802), fixed link (803), turbine (804), fixed pulley (805), locating rod (806), the second driving rack (807), connecting plate (808) and screw rod (809), the motor (801) and worm screw (802) are solid Fixed connection, and worm screw (802) is meshed with turbine (804), while turbine (804) is fixed on fixed link (803), the fixation The both ends of bar (803) are fixed with fixed pulley (805), and the inner wall activity of the both ends of fixed link (803) and lifting device (8) connects It connects, the fixed pulley (805) is fixedly connected with the bottom end of wirerope (9), and locating rod (806) bottom end is welded in lifting device (8) on, and the top of locating rod (806) extends to the inside of the second driving rack (807), while the second driving rack (807) It is meshed with turbine (804), second driving rack (807) is connected with screw rod (809) by connecting plate (808).
2. the quick-lift attachreactor according to claim 1 for road and bridge construction, which is characterized in that the lifting gear The cross section of plate (505) and open slot (506) is at " Kan " shape structure, and the both ends of adjustable end stop (505) and movable plate (501) It is mutually perpendicular to.
3. the quick-lift attachreactor according to claim 1 for road and bridge construction, which is characterized in that the fixed pulley (805) and the opening-like structure in lifting device (8) surface on the second driving rack (807) top.
4. the quick-lift attachreactor according to claim 1 for road and bridge construction, which is characterized in that the rack shaft It (4) is hollow structure, top extends between interior protective baffle plate (201) and outer protective baffle plate (202), and interior protective baffle plate (201) it is rack shape with outer protective baffle plate (202) inner wall surface and is meshed simultaneously with rack shaft (4), while rack shaft (4) Inner wall offers the screw thread to match with screw rod (809), and the bottom end of screw rod (809) extends to the inside of rack shaft (4).
CN201811333496.9A 2017-12-29 2017-12-29 Be used for bridge construction machinery quick hoisting device CN109132929B (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CN201811333496.9A CN109132929B (en) 2017-12-29 2017-12-29 Be used for bridge construction machinery quick hoisting device
CN201711474377.0A CN108217515B (en) 2017-12-29 2017-12-29 Bridge construction machinery quick-lift attachreactor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201811333496.9A CN109132929B (en) 2017-12-29 2017-12-29 Be used for bridge construction machinery quick hoisting device

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
CN201711474377.0A Division CN108217515B (en) 2017-12-29 2017-12-29 Bridge construction machinery quick-lift attachreactor

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CN109132929A true CN109132929A (en) 2019-01-04
CN109132929B CN109132929B (en) 2020-10-13

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