CN109132929B - Be used for bridge construction machinery quick hoisting device - Google Patents
Be used for bridge construction machinery quick hoisting device Download PDFInfo
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- CN109132929B CN109132929B CN201811333496.9A CN201811333496A CN109132929B CN 109132929 B CN109132929 B CN 109132929B CN 201811333496 A CN201811333496 A CN 201811333496A CN 109132929 B CN109132929 B CN 109132929B
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- Prior art keywords
- lifting
- baffle
- fixed
- rack
- sliding
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- 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
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- 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
- B66F17/00—Safety devices, e.g. for limiting or indicating lifting force
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- 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
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D21/00—Methods or apparatus specially adapted for erecting or assembling bridges
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- Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Mechanical Engineering (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Types And Forms Of Lifts (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
The invention relates to a quick lifting device for bridge construction machinery, which comprises a fixed base, a rack shaft and a steel wire rope, wherein the fixed base and protective columns are welded into a whole, a movable pulley is fixed at the top ends of the protective columns, a fixed seat and a lifting device are sequentially welded on the outer walls of the protective columns from top to bottom, a placing plate is arranged between the protective columns, the top ends of the rack shafts penetrate through the fixed seat, the rack shaft is connected with a bearing of the fixed seat, the two ends of the placing plate and the lifting plate are of an integrated structure, a sliding column penetrates through the lifting plate, the bottom ends of the sliding columns are welded on the fixed base, and the top ends of the steel wire rope are fixedly connected with the lifting plate by passing through the movable pulley. This quick hoisting device of bridge construction machinery is provided with interior guard flap and outer guard flap, like this when the lifting rope fracture takes place, when the instrument of promotion drops fast, the instrument can be by enclosing including the fender between guard flap, outer guard flap and the guard post, can not pop out to the external world and injure operating personnel by a crashing object, the security is high.
Description
The patent application is divisional application, the application number of a parent application is 2017114743770, and the application date of the parent application is 2017, 12 months and 29 days.
Technical Field
The invention relates to the technical field of bridge construction, in particular to a quick lifting device for bridge construction machinery.
Background
In the bridge work progress, need hoist the eminence with the instrument of construction usefulness usually to carry out the eminence construction, current hoisting device does not have safeguard measure, when the lifting rope fracture, the instrument that drops fast can injure by a crashing object the operating personnel of below, has the potential safety hazard, the instrument directly drops subaerially simultaneously, damages easily, has reduced work efficiency, the practicality is not strong, in view of the defect that exists among the above prior art, it is necessary to improve it further, make it more possess the practicality, just can accord with the in-service use condition.
Disclosure of Invention
In view of the above situation, the technical problem to be solved by the invention is to provide a quick lifting device for bridge construction machinery, and the quick lifting device aims to solve the problems that the existing lifting device has no protection measures, when a lifting rope is broken, a quick falling tool can injure operators below the lifting rope, potential safety hazards exist, meanwhile, the tool directly falls on the ground, is easy to damage, reduces the working efficiency, and is not strong in practicability.
The technical scheme is as follows: be used for bridge construction machinery quick hoisting device, including unable adjustment base, rack shaft and wire rope, unable adjustment base welds as an organic wholely with protection post, and the top of protection post is fixed with the movable pulley, from the top down has welded fixing base and hoisting device in proper order on protection post's the outer wall, and is provided with between the protection post and places the board, the fixing base is passed on rack shaft's top, and rack shaft is connected with fixing base bearing, place both ends and the lifting plate formula structure as an organic whole of board, and the lifting plate is inside to run through there is the slip post, the bottom of slip post welds on unable adjustment base, movable pulley and lifting plate fixed connection are walked around on wire rope's top, protection post is circular-arc structure, and it sets up about unable adjustment base symmetry, and the interval between 2 protection post both ends is greater than the width of placing the board simultaneously, protection post is including interior protective baffle, Outer guard flap, sliding rail and sliding tray, and the guard post is inside to be seted up with interior guard flap and outer guard flap shape unanimous and be used for interior guard flap and outer guard flap pivoted cell body, interior guard flap and outer guard flap are located the inside of this cell body simultaneously, the outer wall of interior guard flap and outer guard flap is provided with the sliding rail with sliding tray looks adaptation, and the sliding tray is seted up on the cell wall of this cell body, and the sliding rail is located the sliding tray simultaneously.
In an embodiment, place the board including fly leaf, pivot, drive gear, first transmission rack, lifting baffle, open slot, slide bar, lift seat and elasticity spring, and place and seted up the open slot on the board, place the board bottom mounting simultaneously and have the lift seat, the fly leaf is fixed in through the pivot and places on the board, and is provided with drive gear in the pivot, drive gear and lifting baffle all are located the open slot, and the welding of lifting baffle goes up has first transmission rack, and first transmission rack meshes with drive gear mutually simultaneously, equidistant the running through of lifting baffle both sides has the slide bar, and the slide bar bottom passes from the lift seat is inside, the top and the lifting baffle top parallel and level of slide bar, and the cover has elasticity spring between slide bar bottom and the lift seat.
In the above embodiment, the cross sections of the lifting baffle and the open slot are both in a "" shape structure, and two ends of the lifting baffle are perpendicular to the movable plate.
In an embodiment, hoisting device is including motor, worm, dead lever, turbine, fixed pulley, locating lever, second transmission rack, connecting plate and hob, motor and worm fixed connection, and worm and turbine mesh mutually, and on the turbine was fixed in the dead lever simultaneously, the both ends of dead lever were fixed with the fixed pulley, and the both ends of dead lever and hoisting device's inner wall swing joint, fixed pulley and wire rope's bottom fixed connection, the locating lever bottom welds on hoisting device, and the top of locating lever extends to the inside of second transmission rack, and second transmission rack meshes with the turbine mutually simultaneously, second transmission rack is connected with the hob through the connecting plate.
In the above embodiment, the surface of the lifting device at the top end of the fixed pulley and the second transmission rack is in an opening structure.
In the above embodiment, the rack shaft is hollow structure, and its top extends to in between guard flap and the outer guard flap, and in guard flap and outer guard flap inner wall surface for the rack form and mesh with the rack shaft simultaneously, the inner wall of rack shaft seted up simultaneously with the hob assorted screw thread, the bottom of hob extends to the inside of rack shaft.
The invention has the beneficial effects that: the quick lifting device for the bridge construction machinery is provided with the inner protective baffle and the outer protective baffle, when a tool is lifted, the inner protective baffle and the outer protective baffle start to rotate and shield an opening between the protective columns, so that when a lifting rope is broken and the lifted tool drops quickly, the tool can be enclosed among the inner protective baffle, the outer protective baffle and the protective columns, cannot pop out to the outside and injure operators, and is high in safety; the bottom that promotes the board simultaneously is provided with lifting baffle, and lifting baffle cooperation fly leaf can encircle the instrument, and when the instrument that promotes dropped fast, the instrument can not drop the promotion board, and under the effect of elastic spring, has fine buffering effect to a great extent has reduced the possibility that the instrument damaged, and the practicality is strong.
Drawings
Fig. 1 is a front view of the present invention.
Fig. 2 is a schematic top view of the placement board of the present invention.
Fig. 3 is a front view of the placement board of the present invention.
Fig. 4 is an enlarged schematic view of the internal structure of the lifting device of the present invention.
Fig. 5 is a schematic top view of fig. 1 according to the present invention.
Fig. 6 is a partial structural view of a rack shaft and a screw rod according to the present invention.
Fig. 7 is an enlarged schematic view of point a in fig. 5 according to the present invention.
Fig. 8 is a partial front view structural schematic diagram of the inner protective barrier and the outer protective barrier in the invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Those of ordinary skill in the art will recognize that the directional terms "upper," "lower," "outer," "inner," etc., are used in a descriptive sense with respect to the drawings and are not intended to limit the scope of the claims.
Referring to fig. 1, as shown in the embodiment in the drawing for quick hoisting device of bridge construction machinery, including protection post 2, protection post 2 is circular-arc structure, and it sets up about unable adjustment base 1 symmetry, and the interval between 2 protection posts 2 both ends is greater than the width of placing board 5 simultaneously, promotes the instrument through 2 hoisting device 8 like this, can realize the purpose of quick promotion, and stability is good simultaneously, and the distance design between protection post 2 is convenient for people to place the instrument simultaneously.
Referring to fig. 1 and 5, as shown in the embodiment of the drawings, a fixed base 1 and a guard column 2 are welded into a whole, a movable pulley 10 is fixed at the top end of the guard column 2, a fixed base 3 and a lifting device 8 are welded on the outer wall of the guard column 2 from top to bottom in sequence, a placing plate 5 is arranged between the guard columns 2, the top end of a rack shaft 4 passes through the fixed base 3, the rack shaft 4 is in bearing connection with the fixed base 3, two ends of the placing plate 5 and a lifting plate 6 are of an integral structure, a sliding column 7 penetrates through the lifting plate 6, the bottom end of the sliding column 7 is welded on the fixed base 1, the top end of a steel wire rope 9 bypasses the movable pulley 10 and is fixedly connected with the lifting plate 6, under the action of the movable pulley 10, the lifting device 8 can drive the steel wire rope 9 to pull the lifting plate 6 to move upwards along the sliding column 7, so as to drive the placing plate 5 to move upwards, and achieve the purpose, thereby achieving an upward movement of the entrainment deposit 5.
Referring to fig. 2 and 3, as shown in the embodiment of the drawings, the placing plate 5 includes a moving plate 501, a rotating shaft 502, a transmission gear 503, a first transmission rack 504, a lifting baffle 505, an open slot 506, a sliding rod 507, a lifting seat 508 and an elastic spring 509, the placing plate 5 is provided with the open slot 506, the bottom end of the placing plate 5 is fixed with the lifting seat 508, the moving plate 501 is fixed on the placing plate 5 through the rotating shaft 502, the rotating shaft 502 is provided with the transmission gear 503, the transmission gear 503 and the lifting baffle 505 are both located in the open slot 506, the lifting baffle 505 is welded with the first transmission rack 504, the first transmission rack 504 is engaged with the transmission gear 503, the sliding rods 507 are penetrated through two sides of the lifting baffle 505 at equal intervals, the bottom ends of the sliding rods 507 penetrate through the lifting seat 508, the top ends of the sliding rods 507 are flush with the top end of the lifting baffle 505, and the elastic spring 509 is sleeved between the bottom ends of, after a tool is placed on the placing plate 5, the movable plate 501 is rotated, the movable plate 501 rotates and drives the transmission gear 503 to rotate anticlockwise through the rotating shaft 502, so that the transmission gear 503 drives the lifting baffle plate 505 to ascend through the first transmission rack 504, so that the tool can be enclosed and blocked, meanwhile, when the placing plate 5 falls to the ground, the tool can be prevented from falling off the placing plate 5 under the action of the lifting baffle plate 505 and the movable plate 501, meanwhile, the sliding rod 507 on the lifting baffle plate 505 moves upwards along the lifting seat 508 and extrudes the elastic spring 509, so that the reaction force generated by the elastic spring 509 can buffer the action force generated when the placing plate 5 falls to the ground, a damping effect is formed, the tool on the placing plate 5 is effectively protected, the practicability is strong, the length of the sliding rod 507 is set, so that the lifting baffle plate 505 cannot fall off the sliding rod 507 in the ascending process, therefore, the sliding rod 507 can freely move in the lifting baffle 505, the damping effect is guaranteed, the whole structure is compact, and the operation is reasonable.
In the above embodiment, the cross sections of the lifting baffle 505 and the open slot 506 are both in a "v" shape, and the two ends of the lifting baffle 505 are perpendicular to the movable plate 501, so that after the movable plate 501 is turned over to 90 °, the lifting baffle 505 can be combined to form a rectangular frame, so that tools on the placing plate 5 can be fully protected, and the use effect is good.
Referring to fig. 4, 5, and 6, as shown in the embodiment of the drawings, the lifting device 8 includes a motor 801, a worm 802, a fixing rod 803, a worm wheel 804, a fixed pulley 805, a positioning rod 806, a second transmission rack 807, a connecting plate 808, and a screw rod 809, the motor 801 is fixedly connected to the worm 802, the worm 802 is engaged with the worm wheel 804, the worm wheel 804 is fixed to the fixing rod 803, the fixed pulley 805 is fixed to both ends of the fixing rod 803, both ends of the fixing rod 803 are movably connected to an inner wall of the lifting device 8, the fixed pulley 805 is fixedly connected to a bottom end of the wire cable 9, the bottom end of the positioning rod 806 is welded to the lifting device 8, a top end of the positioning rod 806 extends into the second transmission rack 807, the second transmission rack 807 is engaged with the worm wheel 804, the second transmission rack 807 is connected to the screw rod 809 through the connecting plate 808, the motor 801, worm 802 drives turbine 804 and drives dead lever 803 and rotate, and dead lever 803 drives fixed pulley 805 anticlockwise rotation to begin to receive and draw wire rope 9, thereby can drive and place board 5 and rise, realize the purpose of lifting means, meanwhile, turbine 804 can drive second transmission rack 807 and move up along locating lever 806, and drive hob 809 through connecting plate 808 and move up.
Referring to fig. 7 and 8, as shown in the embodiment of the drawings, the protective column 2 includes an inner protective baffle 201, an outer protective baffle 202, a sliding rail 203 and a sliding groove 204, and a groove body which has the same shape as the inner protective baffle 201 and the outer protective baffle 202 and is used for the inner protective baffle 201 and the outer protective baffle 202 to rotate is formed inside the protective column 2, meanwhile, the inner protective baffle 201 and the outer protective baffle 202 are located inside the groove body, the sliding rail 203 which is matched with the sliding groove 204 is formed on the outer wall of the inner protective baffle 201 and the outer protective baffle 202, the sliding groove 204 is formed on the groove wall of the groove body, meanwhile, the sliding rail 203 is located inside the sliding groove 204, the inner protective baffle 201 and the outer protective baffle 202 are in the arc-shaped structure, and the inner protective baffle 201 and the outer protective baffle 202 can rotate inside the protective column 2, so that the shape of the inner protective baffle 201 and the outer protective baffle 202 is the same as the protective column 2, simultaneously under the effect of sliding tray 204 and sliding rail 203, interior guard flap 201 and outer guard flap 202 can be at this open slot internal rotation to can cooperate the combination of protection post 2 to be cylindricly, can drop subaerially as the instrument like this, can be enclosed and keep off inside this drum, can not splash everywhere, and the effectual operating personnel of having avoided receives the injury, and the security is high.
In the above embodiment, the surface of the lifting device 8 at the top end of the fixed pulley 805 and the second transmission rack 807 is in an open structure, and the steel wire rope 9 can pass through the lifting device 8 and be fixedly connected with the fixed pulley 805, so that the fixed pulley 805 can receive and release the steel wire rope 9, the purpose of driving the placing plate 5 to ascend and descend is achieved, and meanwhile, the second transmission rack 807 can freely ascend and descend under the action of the turbine 804, and the structure is reasonable.
In the above embodiment, the rack shaft 4 is a hollow structure, the top end of the rack shaft extends between the inner protective baffle 201 and the outer protective baffle 202, the inner wall surfaces of the inner protective baffle 201 and the outer protective baffle 202 are in a rack shape and are simultaneously meshed with the rack shaft 4, meanwhile, the inner wall of the rack shaft 4 is provided with threads matched with the spiral rod 809, the bottom end of the spiral rod 809 extends into the rack shaft 4, during the downward movement of the spiral rod 809, as the threads screwed on the spiral rod 809 and the inner wall surface of the rack shaft 4 are in an axial shape, the downward force of the spiral rod 809 can be converted into an axial force, so that the rack shaft 4 can rotate on the fixed seat 3, the rotating rack shaft 4 can drive the inner protective baffle 201 and the outer protective baffle 202 to move, when the placing plate 5 is lifted up to lift materials, the rack shaft 4 drives the inner protective baffle 201 and the outer protective baffle 202 to move out of the protective column 2, and be cylindricly with the combination of protection post 2, play the guard action, when placing board 5 downstream, rack shaft 4 can drive interior guard flap 201 and outer guard flap 202 and withdraw to the inside of protection post 2, and the people of being convenient for are placing board 5 and are placing the instrument, and the practicality is strong.
The invention has the beneficial effects that: this be used for quick hoisting device of bridge construction machinery is provided with interior guard flap and outer guard flap, when carrying out the lifting means, interior guard flap and outer guard flap can begin to rotate, and give shelter from the opening between the protective column, when taking place the lifting rope fracture like this, when the instrument of promotion drops fast, the instrument can be enclosed and kept off including guard flap, between outer guard flap and the protective column, can not pop out to the external world and injure the operating personnel by a crashing object, the security is high, the bottom of lifting plate is provided with lifting baffle simultaneously, the cooperation fly leaf can encircle the instrument, the instrument drops to subaerial, the lifting plate can not drop, the instrument is dropping to subaerial time like this, under elastic spring's effect, has fine buffering effect, thereby to a great extent has reduced the possibility that the instrument damaged, therefore, the clothes hanger is strong in practicability.
The present invention has been described in detail with reference to the specific embodiments and examples, but these are not intended to limit the present invention. Many variations and modifications may be made by one of ordinary skill in the art without departing from the principles of the present invention, which should also be considered as within the scope of the present invention.
Claims (4)
1. Bridge construction machinery quick lifting device, including unable adjustment base (1), rack shaft (4) and wire rope (9), its characterized in that, unable adjustment base (1) and protection post (2) welding are as an organic whole, and the top of protection post (2) is fixed with movable pulley (10), fixing base (3) and hoisting device (8) have welded in proper order from the top down on the outer wall of protection post (2), and be provided with between protection post (2) and place board (5), fixing base (3) are passed on the top of rack shaft (4), and rack shaft (4) and fixing base (3) bearing are connected, place the both ends of board (5) and lifting plate (6) formula structure as an organic whole, and lifting plate (6) inside runs through has sliding column (7), the bottom of sliding column (7) welds on unable adjustment base (1), the top of wire rope (9) is walked around movable pulley (10) and is connected with lifting plate (6) fixed connection, the protective column (2) is of an arc-shaped structure and is symmetrically arranged relative to the fixed base (1), the distance between the two ends of each protective column (2) is larger than the width of the placement plate (5), the protective column (2) comprises an inner protective baffle (201), an outer protective baffle (202), a sliding rail (203) and a sliding groove (204), the protective column (2) is internally provided with a groove body which has the same shape as the inner protective baffle (201) and the outer protective baffle (202) and is used for the rotation of the inner protective baffle (201) and the outer protective baffle (202), the inner protective baffle (201) and the outer protective baffle (202) are positioned in the groove body, the outer walls of the inner protective baffle (201) and the outer protective baffle (202) are provided with the sliding rail (203) matched with the sliding groove (204), the sliding groove (204) is arranged on the groove wall of the groove body, and the sliding rail (203) is positioned in the sliding groove (204), the placing plate (5) comprises a movable plate (501), a rotating shaft (502), a transmission gear (503), a first transmission rack (504), a lifting baffle (505), an open slot (506), a sliding rod (507), a lifting seat (508) and an elastic spring (509), wherein the open slot (506) is formed in the placing plate (5), the lifting seat (508) is fixed at the bottom end of the placing plate (5), the movable plate (501) is fixed on the placing plate (5) through the rotating shaft (502), the transmission gear (503) is arranged on the rotating shaft (502), the transmission gear (503) and the lifting baffle (505) are both positioned in the open slot (506), the first transmission rack (504) is welded on the lifting baffle (505), the first transmission rack (504) is meshed with the transmission gear (503), the sliding rods (507) penetrate through the two sides of the lifting baffle (505) at equal intervals, the bottom end of the sliding rod (507) penetrates through the lifting seat (508), the top end of the sliding rod (507) is flush with the top end of the lifting baffle (505), an elastic spring (509) is sleeved between the bottom end of the sliding rod (507) and the lifting seat (508), the lifting device (8) comprises a motor (801), a worm (802), a fixed rod (803), a turbine (804), a fixed pulley (805), a positioning rod (806), a second transmission rack (807), a connecting plate (808) and a spiral rod (809), the motor (801) is fixedly connected with the worm (802), the worm (802) is meshed with the turbine (804), the turbine (804) is fixed on the fixed rod (803), the fixed pulleys (805) are fixed at two ends of the fixed rod (803), two ends of the fixed rod (803) are movably connected with the inner wall of the lifting device (8), and the fixed pulley (805) is fixedly connected with the bottom end of the steel wire rope (9), the bottom end of the positioning rod (806) is welded on the lifting device (8), the top end of the positioning rod (806) extends to the inside of the second transmission rack (807), meanwhile, the second transmission rack (807) is meshed with the turbine (804), and the second transmission rack (807) is connected with a screw rod (809) through a connecting plate (808).
2. The bridge construction machine rapid lifting device according to claim 1, wherein the cross sections of the lifting baffle (505) and the open slot (506) are in a "" shape structure, and two ends of the lifting baffle (505) are perpendicular to the movable plate (501).
3. The bridge construction machine rapid lifting device according to claim 1, wherein the surface of the lifting device (8) at the top end of the fixed pulley (805) and the second transmission rack (807) is in an open structure.
4. The bridge construction machinery rapid lifting device according to claim 1, wherein the rack shaft (4) is of a hollow structure, the top end of the rack shaft extends between the inner protective baffle (201) and the outer protective baffle (202), the inner wall surfaces of the inner protective baffle (201) and the outer protective baffle (202) are rack-shaped and are simultaneously meshed with the rack shaft (4), meanwhile, the inner wall of the rack shaft (4) is provided with threads matched with the spiral rod (809), and the bottom end of the spiral rod (809) extends to the inside of the rack shaft (4).
Priority Applications (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 |
Applications Claiming Priority (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 |
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 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109132929A CN109132929A (en) | 2019-01-04 |
| CN109132929B true CN109132929B (en) | 2020-10-13 |
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| CN201811333496.9A Active CN109132929B (en) | 2017-12-29 | 2017-12-29 | Be used for bridge construction machinery quick hoisting device |
| CN201711474377.0A Active CN108217515B (en) | 2017-12-29 | 2017-12-29 | Bridge construction machinery quick-lift attachreactor |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201711474377.0A Active CN108217515B (en) | 2017-12-29 | 2017-12-29 | Bridge construction machinery quick-lift attachreactor |
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| CN111717791B (en) * | 2020-06-30 | 2021-05-18 | 霍伟松 | Efficient quick lifting device of instrument for road and bridge construction |
| CN112661077B (en) * | 2020-12-12 | 2022-07-26 | 安徽师范大学 | High worker civil engineering of security uses engineering material hoisting device |
| CN113666297A (en) * | 2021-08-24 | 2021-11-19 | 东台市良友机械有限公司 | Zero-breakage-rate elevator |
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| CN106966344A (en) * | 2017-05-28 | 2017-07-21 | 陈婷 | A kind of overhead job platform of bridge construction |
| CN107098289B (en) * | 2017-06-20 | 2019-11-15 | 合肥一航机械科技股份有限公司 | A kind of lifting machine with falling proof device |
| CN107188083A (en) * | 2017-06-29 | 2017-09-22 | 赛埃孚汽车保修设备（太仓）有限公司 | A kind of lifting machine and its method of work with fall-preventing protection device |
| CN107311069B (en) * | 2017-08-03 | 2019-03-19 | 湖北泓博锐建设工程有限公司 | A kind of lifting device for construction |
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2017
- 2017-12-29 CN CN201811333496.9A patent/CN109132929B/en active Active
- 2017-12-29 CN CN201711474377.0A patent/CN108217515B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN108217515B (en) | 2019-01-04 |
| CN108217515A (en) | 2018-06-29 |
| CN109132929A (en) | 2019-01-04 |
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