CN114655830B - Hoisting device for bridge construction and application method thereof - Google Patents
Hoisting device for bridge construction and application method thereof Download PDFInfo
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- CN114655830B CN114655830B CN202210146162.0A CN202210146162A CN114655830B CN 114655830 B CN114655830 B CN 114655830B CN 202210146162 A CN202210146162 A CN 202210146162A CN 114655830 B CN114655830 B CN 114655830B
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- bridge main
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- 238000010276 construction Methods 0.000 title claims abstract description 18
- 238000000034 method Methods 0.000 title claims description 19
- 230000007246 mechanism Effects 0.000 claims abstract description 82
- 230000000149 penetrating effect Effects 0.000 claims description 16
- 238000004804 winding Methods 0.000 claims description 4
- 230000008569 process Effects 0.000 description 12
- 230000009471 action Effects 0.000 description 4
- 208000010392 Bone Fractures Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C1/00—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles
- B66C1/10—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles by mechanical means
- B66C1/22—Rigid members, e.g. L-shaped members, with parts engaging the under surface of the loads; Crane hooks
- B66C1/28—Duplicate, e.g. pivoted, members engaging the loads from two sides
- B66C1/30—Duplicate, e.g. pivoted, members engaging the loads from two sides and also arranged to grip the sides of the loads
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C13/00—Other constructional features or details
- B66C13/04—Auxiliary devices for controlling movements of suspended loads, or preventing cable slack
- B66C13/06—Auxiliary devices for controlling movements of suspended loads, or preventing cable slack for minimising or preventing longitudinal or transverse swinging of loads
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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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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D22/00—Methods or apparatus for repairing or strengthening existing bridges ; Methods or apparatus for dismantling bridges
Abstract
The invention discloses a lifting device for bridge construction, which comprises a bridge main body and at least two lifting platforms, wherein at least two lifting platforms are distributed above the bridge main body at equal intervals, the centers of the lower ends of the lifting platforms are respectively provided with a pull rope mechanism, the lower ends of the pull rope mechanisms are movably connected with horizontal brackets, the two ends of the bottom of each lifting platform are respectively provided with a traction mechanism, the horizontal brackets are movably connected with clamping plate mechanisms, the two ends of the bottom of each clamping plate mechanism can be rotationally tightened and are used for clamping the bridge main body close to each other, and the two ends of the top of each clamping plate mechanism are respectively connected with the bottom ends of the two traction mechanisms. According to the invention, the linkage type traction mechanism is adopted, so that the two traction mechanisms can be used for connecting and supporting the two sides of the horizontal bracket, and the inclination of the horizontal bracket is avoided, thereby reducing the inclination of the bridge main body.
Description
Technical Field
The invention belongs to the field of bridge hoisting equipment, and particularly relates to a hoisting device for bridge construction and a use method thereof.
Background
The bridge is generally a structure which is erected on rivers, lakes and seas and can smoothly pass vehicles, pedestrians and the like, the bridge is generally composed of an upper structure, a lower structure, a support and an accessory structure, the upper structure is also called a bridge span structure, the lower structure comprises bridge decks, piers and foundations, the support is a force transmission device arranged at the supporting positions of the bridge span structure and the piers or the bridge decks, the accessory structure is a bridge head butt strap, a conical slope protection, a shore protection, a diversion project and the like, the bridge assembly needs to be preassembled on the ground during bridge maintenance and construction, the preassembled assembly is then hoisted into the air through a crane to be installed, and a hoisting support needs to be used during bridge preassembling.
The existing bridge hoisting device pulls the bridge in the hoisting process by the rope, the rope is in a vertical state after being straightened in the process, however, in the hoisting and moving process of the bridge, the rope can be rocked due to the interference of wind power and the influence of self movement, so that the hoisting position of the bridge swings in the moving process, the position of the bridge is inaccurate when the bridge is hoisted, and the construction safety is not high.
The utility model discloses a hoist and mount auxiliary device that building bridge construction was used among the prior art publication number CN108862058B is described through "change the distance between two couples, realize lifting by crane the stability of thing, the third pivot that is equipped with drives first awl tooth rotation, first awl tooth drives second awl tooth rotation, the second awl tooth drives the second pivot rotation, the second pivot drives the lifting rope shrink or become long, realize lifting by crane the object of equidimension not, can spacing the second pivot through fixing device simultaneously, and a structure is simple, and convenient to use can stably lift by crane the thing, thereby can improve the lifting by crane the hoisting mode of efficiency", the junction of both sides forms triangle-shaped through two ropes in lifting device, the rope of two tilt states is hung and is adjusted in this scheme, when bridge weight is great, the adjustment part is unstable during lifting.
Disclosure of Invention
The invention aims at: in order to solve the technical problem that bridge hoisting equipment is easy to swing, the hoisting device for bridge construction and a using method thereof are provided.
The technical scheme adopted by the invention is as follows:
the utility model provides a hoist device for bridge construction, includes bridge main part and two at least hoist and mount platforms, two at least hoist and mount platforms equidistant distribution is in bridge main part top, hoist and mount platform lower extreme center department is provided with stay cord mechanism respectively, stay cord mechanism lower extreme swing joint has horizontal support, hoist and mount platform bottom both ends all are provided with traction mechanism respectively, swing joint has splint mechanism on the horizontal support, splint mechanism bottom both ends rotatable tighten up be used for being close to the clamp of bridge main part, splint mechanism top both ends are connected with two traction mechanism bottom respectively;
the clamping plate mechanism comprises a first clamping plate and a second clamping plate which are arranged in a crossing mode, and the top ends of the first clamping plate and the second clamping plate are respectively connected with the two rotating plates in a rotating mode.
Wherein, one ends of the bottoms of the first clamping plate and the second clamping plate, which are close to each other, are respectively fixed with a draw hook which is matched and clamped with the bridge main body, the vertical cross section of bridge main part is "T" shape structure, drag hook and bridge main part both sides lower extreme butt.
The electric control telescopic device comprises a first clamping plate and a second clamping plate, wherein the ends, away from each other, of the tops of the first clamping plate and the second clamping plate are respectively fixed with an extension bracket, two ends of each horizontal bracket are respectively fixed with a rotary bracket, and an electric control telescopic rod is connected between each rotary bracket and each extension bracket in a rotary mode.
The horizontal bracket is provided with a first rotating groove which is matched with the first inserting rod to penetrate, a first penetrating shaft is fixed in the first rotating groove, and the first inserting rod is provided with a first penetrating hole which is matched with the first penetrating shaft to be inserted.
The second clamping plate is fixedly provided with a second inserting rod, the horizontal support is provided with a second rotating groove which is matched with the second inserting rod to penetrate through, a second penetrating shaft is fixedly arranged in the second rotating groove, and the second inserting rod is provided with a second penetrating hole which is matched with the second penetrating shaft to be inserted through.
The traction mechanism comprises a side traction rope, an upper pull ring and a rotating plate, wherein two ends of the side traction rope are respectively in wire connection with the two upper pull rings, one side extending end, far away from the side traction rope, of the rotating plate is integrally formed with the upper pull ring, and two side edge extending ends of the bottom surface of the hoisting platform are respectively in rotary connection with the two rotating plates.
The pull rope mechanism comprises a hook and a main pull rope connected between the hook and the hoisting platform, and a lower pull ring movably inserted with the hook is fixed on the horizontal bracket.
The first clamping plates and the second clamping plates are arranged in a crossing mode, and the first inserting rods and the second inserting rods are staggered in a clearance mode.
The application method of the lifting device for bridge construction comprises the following steps:
step S1: firstly, connecting the upper side and the lower side of a pull rope mechanism with a hoisting platform overlapped in the vertical direction and a hook respectively, then connecting the top ends of two traction mechanisms with the two sides of the bottom surface of the hoisting platform respectively, and connecting the bottom ends of the two traction mechanisms with the two top ends of a clamping plate mechanism respectively;
step S2, opening the distance between the draw hooks below the first clamping plate and the second clamping plate to be larger than the width of the bridge main body, arranging the two draw hooks at the positions on two sides of the bridge main body, and rotating the first clamping plate and the second clamping plate to enable the two draw hooks to be at the lower sides of the bridge main body;
s3, respectively inserting two rotating plates into the bottom ends of two sides of the hoisting platform to rotate, respectively inserting the other two rotating plates into the top ends of the first clamping plate and the second clamping plate to rotate, and winding a side traction rope between the two upper pull rings in the vertical direction;
s4, clamping a hook connected below the main traction rope into the lower pull ring;
and S5, respectively hinging two electric control telescopic rods between the two extension brackets and the two rotation brackets, and adjusting the horizontal brackets to be in a horizontal state.
In summary, due to the adoption of the technical scheme, the beneficial effects of the invention are as follows:
1. according to the invention, the linkage type traction mechanism is adopted, the distance between the hoisting platform and the horizontal bracket is limited due to the insertion connection between the hook and the lower pull ring, and the two traction mechanisms are connected with the bottom ends of the two sides of the hoisting platform and the two traction mechanisms due to the adoption of the traction mechanisms arranged at the top ends of the first clamping plate and the second clamping plate, so that the two traction mechanisms can be used for connecting and supporting the two sides of the horizontal bracket, and meanwhile, the limit of the main body of the bridge can be realized when the hoisting platform shakes under the combined action of the pull rope mechanism and the clamping plate mechanism, and the swing of the main body of the bridge during hoisting is reduced.
Drawings
FIG. 1 is a schematic perspective view of the overall structure of the present invention;
FIG. 2 is a schematic diagram of a one-sided traction mechanism according to the present invention;
FIG. 3 is a schematic vertical cross-section of a side traction cable of the present invention;
FIG. 4 is an exploded view of a single-sided traction mechanism of the present invention;
FIG. 5 is an enlarged view of the first clamping plate according to the present invention;
FIG. 6 is an enlarged schematic view of the horizontal bracket of the present invention;
fig. 7 is an enlarged view of the second clamping plate according to the present invention.
The marks in the figure: 1. hoisting the platform; 2. a main traction cable; 3. a hook; 4. a first clamping plate; 5. a bridge body; 6. a side traction cable; 7. a horizontal bracket; 8. a second clamping plate; 9. an electric control telescopic rod; 10. an extension bracket; 11. a lower pull ring; 12. a rotating plate; 13. an upper pull ring; 14. rotating the bracket; 15. a drag hook; 16. a second rotary groove; 17. a second plunger; 18. a first plunger; 19. a first through shaft; 20. a first through hole; 21. a first rotating groove; 22. a second through hole; 23. and a second through shaft.
Detailed Description
The present invention will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present invention more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.
Referring to fig. 1-7, a lifting device for bridge construction comprises a bridge main body 5 and at least two lifting platforms 1, wherein the at least two lifting platforms 1 are distributed above the bridge main body 5 at equal intervals, the centers of the lower ends of the lifting platforms 1 are respectively provided with a pull rope mechanism, the lower ends of the pull rope mechanisms are movably connected with horizontal brackets 7, the two ends of the bottom of the lifting platforms 1 are respectively provided with a traction mechanism, the horizontal brackets 7 are movably connected with clamping plate mechanisms, the two ends of the bottom of the clamping plate mechanisms can be rotationally tightened and are used for clamping the bridge main body 5 near the bridge main body, the two ends of the top of the clamping plate mechanisms are respectively connected with the bottom ends of the two traction mechanisms, wherein, when in use, the two sides of the bridge main body 5 are respectively lifted by the at least two lifting platforms 1, the distance between the two ends of the lifting platforms 1 and the two adjacent lifting platforms 1 is equal, the length of the bridge main body 5 at two sides of the hoisting platform 1 is the same, the superposition of the hoisting platform 1 and the edge of the bridge main body 5 is avoided, the hoisting platform 1 is prevented from slipping from two sides of the bridge main body 5 when in use, the maximum length between the hoisting platform 1 and the horizontal support 7 is limited by arranging the pull rope mechanism at the center of the hoisting platform 1, the problem that the pull rope mechanism is subjected to torsion fracture is avoided when the hoisting platform 1 and the horizontal support 7 incline, the swing angle between the hoisting platform 1 and the horizontal support 7 is limited by the traction mechanisms arranged at two sides of the pull rope mechanism, the swing and the incline of the horizontal support 7 in the hoisting process can be regulated and corrected by the traction of the traction mechanisms, the swing action of the hoisting platform 1 and the driving of wind force in the hoisting process are reduced, to rocking that horizontal support 7 and splint mechanism caused, stability when increasing integral hoisting makes bridge body 5 both sides receive centre gripping and lift effect respectively through splint mechanism's setting, and the pressure only acts on the bridge both sides when avoiding using the rope to fix bridge body 5, avoids bridge body 5 to receive the pressure of department and concentrate and lead to the fact wearing and tearing to rope and bridge floor, increases simultaneously to bridge body 5's area of contact, reduces bridge body 5 and splint mechanism and produces the pivoted possibility on the horizontal direction.
In the second embodiment, referring to fig. 3 and 6, the traction mechanism includes a side traction cable 6, an upper pull ring 13 and a rotating plate 12, two ends of the side traction cable 6 are respectively connected with the two upper pull rings 13 in a winding manner, one extending end of the rotating plate 12 far away from the side traction cable 6 is integrally formed with the upper pull ring 13, extending ends at two side edges of the bottom surface of the hoisting platform 1 are respectively connected with the two rotating plates 12 in a rotating manner, the pull rope mechanism includes a hook 3 and a main traction cable 2 connected between the hook 3 and the hoisting platform 1, a lower pull ring 11 movably connected with the hook 3 is fixed on a horizontal bracket 7, the clamping plate mechanism includes a first clamping plate 4 and a second clamping plate 8 which are arranged in a crossing manner, the top ends of the first clamping plate 4 and the second clamping plate 8 are respectively connected with the two rotating plates 12 in a rotating manner, one ends of the bottoms of the first clamping plate 4 and the second clamping plate 8 close to each other are respectively fixed with a draw hook 15 matched and clamped with the bridge main body 5, the vertical section of the bridge main body 5 is of a T-shaped structure, the drag hook 15 is abutted with the lower ends of two sides of the bridge main body 5, the extending brackets 10 are fixed at the ends of the tops of the first clamping plate 4 and the second clamping plate 8, which are far away from each other, the rotating brackets 14 are fixed at the two ends of the horizontal bracket 7, the electric control telescopic rod 9 is rotatably connected between the rotating brackets 14 and the extending brackets 10, the first clamping plate 4 is fixedly provided with a first inserting rod 18, the horizontal bracket 7 is provided with a first rotating groove 21 which is matched with the first inserting rod 18 to penetrate, the first rotating groove 21 is internally provided with a first penetrating shaft 19, the first inserting rod 18 is provided with a first penetrating hole 20 which is matched with the first penetrating shaft 19 to be inserted, the second clamping plate 8 is fixedly provided with a second inserting rod 17, the horizontal bracket 7 is provided with a second rotating groove 16 which is matched with the second inserting rod 17 to penetrate, the second penetrating shaft 23 is fixedly arranged in the second rotating groove 16, the second inserting rod 17 is provided with a second through hole 22 which is matched with a second through shaft 23 in an inserting way, the first clamping plate 4 and the second clamping plate 8 are arranged in a crossing way, the first inserting rod 18 and the second inserting rod 17 are mutually staggered in a clearance way, wherein the upper end and the lower end of the side traction rope 6 are respectively in winding connection with the two upper pull rings 13, simultaneously, the two rotating plates 12 are respectively fixed in the opposite directions of the two upper pull rings 13, the two rotating plates 12 respectively fixed are respectively hinged with the hoisting platform 1 and the top end of the clamping plate mechanism at the bottom, when the hoisting platform 1 and the clamping plate mechanism are mutually inclined, the clamping plate mechanism is pulled by the traction mechanism, so that the clamping degree of the bridge main body 5 is increased, and meanwhile, the clamping angle and the clamping range of the clamping plate mechanism to the bridge main body 5 are adjusted through the traction mechanisms at two sides, so that the bridge main body 5 with different sizes can be conveniently adjusted, through the arrangement of the pull rope mechanism, the lower pull ring 11 is convenient to clamp through the hook 3, the upper part and the lower part of the whole mechanism are convenient to completely disassemble and assemble, the complicated installation and adjustment process of equipment in the actual operation process is reduced, wherein the electric control telescopic rod 9 can limit and adjust the distance between the two ends of the electric control telescopic rod in a hydraulic cylinder and movable bolt mode, the horizontal bracket 7 is subjected to overturning adjustment, so that the angle of the horizontal bracket 7 and the angle of two draw hooks 15 on the clamping plate mechanism are adjusted, the first clamping plate 4 and the second clamping plate 8 in the clamping plate mechanism are arranged, the horizontal bracket 7 limits and adjusts the height and the cross angle of the first clamping plate 4 and the second clamping plate 8, meanwhile, the cross action of the first clamping plate 4 and the second clamping plate 8 is convenient, and when the traction mechanism lifts and pulls the top ends of the first clamping plate 4 and the second clamping plate 8, the two draw hooks 15 driving the bottom ends of the first clamping plate 4 and the second clamping plate 8 are mutually close to each other to be locked, so that when the bridge main body 5 shakes, the draw hooks 15 on the other side in the clamping plate mechanism are driven by the traction mechanism on one side to lift and tighten so as to offset the influence on the bridge main body 5 when the whole clamping structure shakes, and therefore the swing and the inclination of the bridge main body caused by wind power and displacement are reduced in the actual lifting process.
In a third embodiment, referring to fig. 1 to 7, a method for using a lifting device for bridge construction includes the following steps:
step S1: firstly, connecting the upper side and the lower side of a pull rope mechanism with a lifting platform 1 and a hook 3 which are overlapped in the vertical direction respectively, then connecting the top ends of the two traction mechanisms with the two sides of the bottom surface of the lifting platform 1 respectively, and connecting the bottom ends of the two traction mechanisms with the two top ends of a clamping plate mechanism respectively;
step S2, the distance between the draw hooks 15 below the first clamping plate 4 and the second clamping plate 8 is opened to be larger than the width of the bridge main body 5, the two draw hooks 15 are arranged at the positions of the two sides of the bridge main body 5, and the first clamping plate 4 and the second clamping plate 8 are rotated to enable the two draw hooks 15 and the lower side of the bridge main body 5;
step S3, two rotating plates 12 are respectively inserted into the bottom ends of two sides of the hoisting platform 1 to rotate, the other two rotating plates 12 are respectively inserted into the top ends of the first clamping plate 4 and the second clamping plate 8 to rotate, and a side traction rope 6 is wound between two upper pull rings 13 in the vertical direction;
s4, clamping a hook 3 connected below the main traction rope 2 into the lower pull ring 11;
and S5, respectively hinging two electric control telescopic rods 9 between the two extension brackets 10 and the two rotation brackets 14, and adjusting the horizontal bracket 7 to be in a horizontal state.
Working principle: in the process that the lifting platform 1 stretches upwards, the lifting platform 1 drives the lower pull ring 11 and the horizontal support 7 to move upwards through the main traction rope 2, the rotation of the second inserting rod 17 at the second rotary groove 16 and the rotation of the first inserting rod 18 in the first rotary groove 21 can enable the two sides of the bridge main body 5 to be clamped at the drag hook 15 below the first clamping plate 4 and the second clamping plate 8, the two traction mechanisms arranged at the top ends of the first clamping plate 4 and the second clamping plate 8 are connected with the two sides of the lifting platform 1 respectively, the positions of the top ends of the first clamping plate 4 and the second clamping plate 8 are limited, so that the parallel arrangement between the lifting platform 1 and the horizontal support 7 is adjusted, the level and stability of the bridge main body 5 in the lifting process are kept, when shaking is generated in the horizontal movement process of the lifting platform 1, meanwhile, the clamping distance between the first clamping plate 4 and the second clamping plate 8 is limited under the action of the hinged electric control telescopic rod 9 between the extension support 10 and the rotary support 14, and the bridge main body 5 is prevented from being extruded and damaged by the large bridge main body 5.
The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the invention.
Claims (5)
1. Hoist device is used in bridge construction, including bridge main part (5) and two at least hoist and mount platform (1), two at least hoist and mount platform (1) equidistant distribution in bridge main part (5) top, its characterized in that: the utility model discloses a lifting platform, including hoist and mount platform (1), hoist and mount platform (1) lower extreme center department is provided with stay cord mechanism respectively, stay cord mechanism lower extreme swing joint has horizontal support (7), hoist and mount platform (1) bottom both ends all are provided with traction mechanism respectively, swing joint has splint mechanism on horizontal support (7), splint mechanism bottom both ends rotatable tight be used for pressing from both sides being close to of bridge main part (5), splint mechanism top both ends are connected with two traction mechanism bottom respectively, splint mechanism is including first splint (4) and second splint (8) that cross-over set up, the top of first splint (4) and second splint (8) is connected with two revolving plates (12) rotation respectively, the one end that first splint (4) and second splint (8) bottom are close to each other all is fixed with draw hook (15) with bridge main part (5) cooperation joint, the vertical cross-section of bridge main part (5) is personally submitting "T" shape structure, bridge main part (15) and main part (5) both sides lower extreme butt, first splint (4) and second splint (8) are kept away from each other with extension (14) extension stand (10) extension (10) and extension stand (10), the novel horizontal clamping plate is characterized in that a first inserting rod (18) is fixed on the first clamping plate (4), a first rotating groove (21) which is matched with the first inserting rod (18) to penetrate is formed in the horizontal support (7), a first penetrating shaft (19) is fixed in the first rotating groove (21), a first penetrating hole (20) which is matched with the first penetrating shaft (19) to be inserted is formed in the first inserting rod (18), a second inserting rod (17) is fixed on the second clamping plate (8), a second rotating groove (16) which is matched with the second inserting rod (17) to penetrate is formed in the horizontal support (7), a second penetrating shaft (23) is fixed in the second rotating groove (16), and a second penetrating hole (22) which is matched with the second penetrating shaft (23) to be inserted is formed in the second inserting rod (17).
2. The hoisting device for bridge construction as claimed in claim 1, wherein: the traction mechanism comprises a side traction rope (6), an upper pull ring (13) and a rotating plate (12), wherein two ends of the side traction rope (6) are respectively in wire connection with the two upper pull rings (13), one side extending end, far away from the side traction rope (6), of the rotating plate (12) is integrally formed with the upper pull ring (13), and two side edge extending ends of the bottom surface of the hoisting platform (1) are respectively in rotary connection with the two rotating plates (12).
3. The hoisting device for bridge construction as claimed in claim 2, wherein: the pull rope mechanism comprises a hook (3) and a main pull rope (2) connected between the hook (3) and the hoisting platform (1), and a lower pull ring (11) movably spliced with the hook (3) is fixed on the horizontal bracket (7).
4. A bridge construction hoist as claimed in claim 3, wherein: the first clamping plate (4) and the second clamping plate (8) are arranged in a crossing mode, and the first inserting rods (18) and the second inserting rods (17) are staggered in a clearance mode.
5. The method for using the lifting device for bridge construction, which comprises the lifting device for bridge construction as claimed in claim 4, is characterized by further comprising the following steps:
step S1: firstly, connecting the upper side and the lower side of a pull rope mechanism with a hoisting platform (1) overlapped in the vertical direction and a hook (3), then connecting the top ends of two traction mechanisms with the two sides of the bottom surface of the hoisting platform (1), and connecting the bottom ends of the two traction mechanisms with the two top ends of a clamping plate mechanism respectively;
step S2, opening the interval between the draw hooks (15) below the first clamping plate (4) and the second clamping plate (8) to be larger than the width of the bridge main body (5), arranging the two draw hooks (15) at the positions on two sides of the bridge main body (5), and rotating the first clamping plate (4) and the second clamping plate (8) to enable the two draw hooks (15) and the lower side of the bridge main body (5);
step S3, inserting two rotating plates (12) into the bottom ends of two sides of the hoisting platform (1) respectively to rotate, inserting the other two rotating plates (12) into the top ends of the first clamping plate (4) and the second clamping plate (8) respectively to rotate, and winding a side traction rope (6) between two upper pull rings (13) in the vertical direction;
s4, clamping a hook (3) connected below the main traction rope (2) into the lower pull ring (11);
and S5, respectively hinging two electric control telescopic rods (9) between the two extension brackets (10) and the two rotation brackets (14), and adjusting the horizontal bracket (7) to be in a horizontal state.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210146162.0A CN114655830B (en) | 2022-02-17 | 2022-02-17 | Hoisting device for bridge construction and application method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210146162.0A CN114655830B (en) | 2022-02-17 | 2022-02-17 | Hoisting device for bridge construction and application method thereof |
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| Publication Number | Publication Date |
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| CN114655830A CN114655830A (en) | 2022-06-24 |
| CN114655830B true CN114655830B (en) | 2023-10-31 |
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| CN202210146162.0A Active CN114655830B (en) | 2022-02-17 | 2022-02-17 | Hoisting device for bridge construction and application method thereof |
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| CN200954987Y (en) * | 2006-10-12 | 2007-10-03 | 中国铝业股份有限公司 | Horizontal grinder internal lining plate mounting suspension device |
| CN102060232A (en) * | 2010-12-21 | 2011-05-18 | 中国一冶集团有限公司 | Transportation method for refractory brick for stove construction |
| CN203229313U (en) * | 2013-05-03 | 2013-10-09 | 石家庄煤矿机械有限责任公司 | U-shaped steel hanging tool |
| CN103449302A (en) * | 2013-09-03 | 2013-12-18 | 张家港市胜达钢绳有限公司 | Spool lifting appliance and spool lifting system |
| CN106270130A (en) * | 2016-08-20 | 2017-01-04 | 山东雷帕得汽车技术股份有限公司 | Intermediate-frequeney point position formula punching induction heating equipment |
| CN106313189A (en) * | 2016-10-27 | 2017-01-11 | 东台市唐洋带锯机械有限责任公司 | Special wood lifting and grabbing fixture applicable to wood processing in small and medium-sized enterprises |
| CN208103695U (en) * | 2018-02-12 | 2018-11-16 | 卢翔超 | Special suspending device for diesel locomotive cylinder jacket |
| CN110820555A (en) * | 2019-12-05 | 2020-02-21 | 陈雨羲 | Bridge maintenance vehicle and method for avoiding bridge pier by maintenance platform |
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