CN216512542U - Steel case roof beam lifting device of high security - Google Patents

Steel case roof beam lifting device of high security Download PDF

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Publication number
CN216512542U
CN216512542U CN202123286694.4U CN202123286694U CN216512542U CN 216512542 U CN216512542 U CN 216512542U CN 202123286694 U CN202123286694 U CN 202123286694U CN 216512542 U CN216512542 U CN 216512542U
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China
Prior art keywords
hoisting
lifting
box girder
steel box
clamping jaw
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Active
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CN202123286694.4U
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Chinese (zh)
Inventor
李彬彬
王铁山
农承英
颉云东
杨龙
李海峰
魏提银
黄俊耀
周鹏
刘卓
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China Railway No 3 Engineering Group Co Ltd
Guangdong Construction Engineering Co Ltd of China Railway No 3 Engineering Group Co Ltd
Original Assignee
China Railway No 3 Engineering Group Co Ltd
Guangdong Construction Engineering Co Ltd of China Railway No 3 Engineering Group Co Ltd
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Priority to CN202123286694.4U priority Critical patent/CN216512542U/en
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Abstract

The utility model particularly discloses high-safety steel box girder hoisting equipment which comprises a hoisting assembly, a supporting assembly and a telescopic supporting rod, wherein the hoisting assembly, the supporting assembly and the telescopic supporting rod are coaxially arranged; according to the high-safety steel box girder hoisting equipment, the tension of the steel box girder on the hoisting assembly is reduced, the hoisting safety is improved, and hoisting accidents are avoided.

Description

Steel case roof beam lifting device of high security
Technical Field
The utility model relates to the technical field of hoisting equipment, in particular to high-safety steel box girder hoisting equipment.
Background
In the hoisting operation process, the hoisting of the steel box girder is always a difficult problem, and since the steel box girder has the characteristics of large self weight and large diameter, the hoisting point is unreasonable in design, the tensile force on the hoisting rope of the sling cart is large, the damage force on the hoisting rope is large, and the hoisting accident is easily caused.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the defects of the prior art and provides high-safety steel box girder hoisting equipment which can reduce the tension of a steel box girder on a hoisting assembly, improve the hoisting safety and avoid hoisting accidents.
The above problems to be solved by the present invention are achieved by the following technical solutions:
the utility model provides a steel case roof beam lifting device of high security, includes lifting by crane subassembly, supporting component and telescopic strut, lifting by crane subassembly, supporting component and telescopic strut three coaxial setting, the supporting component includes lift dead lever, mounting fixture and supporting seat, telescopic strut's one end connect in lifting by crane subassembly, the other end connect in the supporting seat, the bottom mounting of lift dead lever is on the supporting seat, the top is fixed in mounting fixture.
Further, mounting fixture includes first clamping jaw and second clamping jaw, first clamping jaw is fixed in the top surface of second clamping jaw, the bottom surface of second clamping jaw is fixed in the top of lift dead lever, first clamping jaw and second clamping jaw mutually perpendicular, and all perpendicular to lift dead lever, first clamping jaw and second clamping jaw all are the U-shaped structure.
Furthermore, the first clamping jaw and the second clamping jaw are telescopic clamping jaws, the first clamping jaw comprises a first contraction clamping plate and a first telescopic jaw, and two ends of the first contraction clamping plate are movably connected with the first telescopic jaw respectively; the second clamping jaw comprises a second contraction clamping plate and a second telescopic claw, and the two ends of the second contraction clamping plate are respectively and movably connected with the second telescopic claw; the top surface of the second retractable clamping plate is fixedly connected to the first retractable clamping plate, and the bottom surface of the second retractable clamping plate is fixedly connected to the lifting fixing rod.
Furthermore, the bottom of the supporting seat is provided with a sliding wheel.
Further, the supporting seat is provided with supporting legs, the supporting legs comprise a contraction connecting rod and a lifting foot, one end of the contraction connecting rod is movably connected with the supporting seat and the other end of the contraction connecting rod are movably connected with the lifting foot, the contraction direction of the contraction connecting rod is parallel to the horizontal plane, and the lifting direction of the lifting foot is perpendicular to the horizontal plane.
Furthermore, the lifting assembly comprises a lifting seat, a lifting telescopic rod and a lifting clamp, the bottom of the lifting telescopic rod is fixed on the lifting seat, and the top of the lifting telescopic rod is movably connected with the lifting clamp.
Furthermore, the lifting clamp comprises a lifting rope chain, an auxiliary rod and a lifting head, the top of the lifting rope chain is movably connected to the top of the lifting telescopic rod, the bottom of the lifting rope chain is fixed to the auxiliary rod, and the auxiliary rod is connected with the lifting head.
Furthermore, the hoisting rope chain is vertically connected with the auxiliary rod, the auxiliary rod is parallel to the horizontal plane, the auxiliary rod is provided with a plurality of auxiliary connecting holes, and the hoisting head is connected with the auxiliary rod through the auxiliary connecting holes.
Further, the hole axis direction of the auxiliary connecting hole is parallel to the horizontal line.
Furthermore, the arrangement direction of the plurality of auxiliary connecting holes is parallel to the horizontal line and is vertical to the hole axis direction of the auxiliary connecting holes.
Has the advantages that:
according to the high-safety steel box girder hoisting equipment, the hoisting assembly is used for hoisting the steel box girder, the fixing clamp is used for improving the supporting force of the steel box girder, the lifting fixing rod is used for realizing the up-and-down lifting movement of the fixing clamp relative to the supporting seat, the supporting force of the fixing clamp on the steel box girder is ensured, the pulling force of the steel box girder on the hoisting assembly is reduced, the hoisting safety is improved, and hoisting accidents are avoided.
Drawings
FIG. 1 is an overall structure diagram of a high-safety steel box girder hoisting device of the present invention;
fig. 2 is a partially enlarged view of a high-safety steel box girder lifting apparatus according to the present invention.
The figure shows that: 1. a hoisting assembly; 11. lifting the lifting seat; 12. lifting the telescopic rod; 13. hoisting the clamp; 131. hoisting a rope chain; 132. an auxiliary lever; 133. lifting the hoisting head; 2. a support assembly; 21. a lifting fixing rod; 22. fixing the clamp; 221. a first jaw; 222. a first retractable splint; 223. a first telescopic claw; 224. a second jaw; 225. a second retractable splint; 226. a second telescopic claw; 23. a supporting seat; 231. a sliding wheel; 232. supporting legs; 233. a retracting link; 234. a lifting foot; 3. a telescopic supporting rod.
Detailed Description
The present invention will be described in further detail with reference to the following drawings and specific examples, which are not intended to limit the utility model in any manner.
Referring to fig. 1 to 2, the high-safety steel box girder hoisting equipment comprises a hoisting assembly 1, a supporting assembly 2 and a telescopic support rod 3, wherein the hoisting assembly 1, the supporting assembly 2 and the telescopic support rod 3 are coaxially arranged, the supporting assembly 2 comprises a lifting fixing rod 21, a fixing clamp 22 and a supporting seat 23, one end of the telescopic support rod 3 is connected to the hoisting assembly 1, the other end of the telescopic support rod is connected to the supporting seat 23, the bottom end of the lifting fixing rod 21 is fixed on the supporting seat 23, and the top end of the lifting fixing rod 21 is fixed on the fixing clamp 22; the pulling force of the steel box girder on the hoisting assembly 1 is reduced, the hoisting safety is improved, and the hoisting accident is avoided.
Referring to fig. 1 to 2, the fixing clamp 22 includes a first clamping jaw 221 and a second clamping jaw 224, the first clamping jaw 221 is fixed on a top surface of the second clamping jaw 224, a bottom surface of the second clamping jaw 224 is fixed on a top end of the lifting fixing rod 21, the first clamping jaw 221 and the second clamping jaw 224 are perpendicular to each other and perpendicular to the lifting fixing rod 21, and the first clamping jaw 221 and the second clamping jaw 224 are both U-shaped; the steel box girder is limited in the grooves formed by the first clamping jaw 221 and the second clamping jaw 224, the supporting force of the fixing clamp 22 to the steel box girder is improved, the pulling force of the steel box girder to the hoisting assembly 1 is further reduced, the hoisting safety is improved, and hoisting accidents are avoided.
Referring to fig. 1 to 2, the first clamping jaw 221 and the second clamping jaw 224 are retractable clamping jaws, the first clamping jaw 221 includes a first retractable clamping plate 222 and a first retractable claw 223, and two ends of the first retractable clamping plate 222 are movably connected with the first retractable claw 223 respectively; the second clamping jaw 224 comprises a second contraction clamping plate 225 and a second telescopic jaw 226, and the two ends of the second contraction clamping plate 225 are movably connected with the second telescopic jaw 226 respectively; the top surface of the second retractable clamping plate 225 is fixedly connected to the first retractable clamping plate 222, and the bottom surface is fixedly connected to the lifting fixing rod 21;
when the steel box girder is in a working state, the steel box girder is lifted to a certain height by the lifting clamp 13, that is, when the steel box girder is lifted to the fixing clamp 22 and is in a telescopic state, before the fixing clamp 22 is positioned, the first telescopic claw 223 extends out of the first telescopic clamping plate 222, the second telescopic claw 226 extends out of the second telescopic clamping plate 225, so that the steel box girder can be placed into a groove formed by the first clamping jaw 221 and the second clamping jaw 224, after the position of the steel box girder in the groove is defined, the first telescopic claw 223 is contracted into the first telescopic clamping plate 222, the first telescopic claw 223 is contracted into the second telescopic clamping plate 225, so that the first clamping jaw 221 and the second clamping jaw 224 tightly clamp the steel box girder (or the first telescopic claw 223 is singly extended out of the first telescopic clamping plate 222 and the second telescopic claw 226 is singly extended out of the second telescopic clamping plate 225), and then the fixing clamp 22 is lifted again along with the lifting clamp 13, mounting fixture 22 extends gradually, when the steel box girder lifted to the purpose height, stretch out first flexible claw 223 toward first shrink splint 222 in, stretch out first flexible claw 223 toward second shrink splint 225 in, recycle lifts by crane anchor clamps 13 and lifts by crane the steel box girder on the target location, reduce the position of steel box girder in long-time high altitude transportation and rock, utilize mounting fixture 22 to reduce the steel box girder to lifting by crane subassembly 1 pulling force, avoid lifting by crane the too big problem that leads to the steel box girder to drop of subassembly 1 pulling force, improve the security of hoist and mount, avoid the hoist and mount accident.
Referring to fig. 1 to 2, the bottom of the supporting seat 23 is provided with a sliding wheel 231, so that the supporting component 2 and the hoisting component 1 can move synchronously, and the steel box girder can move conveniently.
Referring to fig. 1 to 2, the supporting base 23 is provided with supporting legs 232, the supporting legs 232 include a contraction link 233 and a lifting leg 234, one end of the contraction link 233 is movably connected to the supporting base 23, the other end of the contraction link 233 is movably connected to the lifting leg 234, a contraction direction of the contraction link 233 is parallel to a horizontal plane, and a lifting direction of the lifting leg 234 is perpendicular to the horizontal plane;
when the lifting fixing rod 21 is in a working state, the contraction connecting rod 233 needs to be extended out of the supporting seat 23, and the lifting foot 234 needs to be put down to the ground, so that the lifting foot 234 is put on the bottom surface;
when the lifting fixing rod 21 is in a rest state, that is, the supporting seat 23 is in a moving state, it is necessary to lift the lifting foot 234 from the ground and to retract the retracting link 233 into the supporting seat 23;
the fixing property of the support base 23 is improved.
Referring to fig. 1, the lifting assembly 1 comprises a lifting seat 11, a lifting telescopic rod 12 and a lifting clamp 13, wherein the bottom of the lifting telescopic rod 12 is fixed on the lifting seat 11, and the top of the lifting telescopic rod 12 is movably connected with the lifting clamp 13; and the steel box girder is lifted.
Referring to fig. 1, the lifting clamp 13 includes a lifting rope chain 131, an auxiliary rod 132 and a lifting head 133, the top of the lifting rope chain 131 is movably connected to the top of the lifting telescopic rod 12, the bottom of the lifting rope chain 131 is fixed to the auxiliary rod 132, and the auxiliary rod 132 is connected to the lifting head 133; and the steel box girder is lifted.
Referring to fig. 1, the lifting rope chain 131 is vertically connected to the auxiliary rod 132, the auxiliary rod 132 is parallel to a horizontal plane, the auxiliary rod 132 is provided with a plurality of auxiliary connecting holes, the lifting head 133 is connected to the auxiliary rod 132 through the auxiliary connecting holes, and the plurality of auxiliary connecting holes are used for the plurality of lifting heads 133, so that a plurality of positions of the steel box girder can be balanced, the tension of the lifting head 133 on the steel box girder can be balanced, and the lifting stability of the steel box girder can be improved.
The hole axis direction of the auxiliary connecting hole is parallel to the horizontal line; the tension of the lifting head 133 on the steel box girder is balanced, and the lifting stability of the steel box girder is improved.
The arrangement direction of the auxiliary connecting holes is parallel to the horizontal line and is vertical to the hole axis direction of the auxiliary connecting holes; the tension of the lifting head 133 on the steel box girder is balanced, and the lifting stability of the steel box girder is improved.
Referring to fig. 1 to 2, the working principle of the high-safety steel box girder hoisting equipment of the utility model is as follows:
when the lifting assembly is in a rest state, the telescopic supporting rod 3 is in a contraction state, so that the supporting assembly moves along with the movement of the lifting assembly;
when the steel box girder hoisting device is in a working state, the telescopic supporting rod 3 is firstly in a contraction state, so that the supporting component moves along with the movement of the hoisting component, when the hoisting component 1 moves to a proper position, the telescopic supporting rod 3 gradually extends to push the supporting component to a proper position, then a hoisting head 133 is utilized to hoist a hoisting point of the steel box girder, when the steel box girder is hoisted to a proper height, the hoisted steel box girder moves towards the fixing clamp 22, then the first telescopic claw 223 extends out of the first contraction clamping plate 222, the second telescopic claw 226 extends out of the second contraction clamping plate 225, so that the steel box girder can be placed into a groove formed by the first clamping jaw 221 and the second clamping jaw 224, after the position of the steel box girder in the groove is defined, the first telescopic claw 223 is contracted towards the first contraction clamping plate 222, the first telescopic claw 223 is contracted towards the second contraction clamping plate 225, so that the first clamping jaw 221 and the second clamping jaw 224 are tightly attached to clamp the steel box girder, (or stretch out first flexible claw 223 in first shrink splint 222 alone, stretch out second flexible claw 226 in the second shrink splint 225 alone) then mounting fixture 22 rises once more along with lifting by crane anchor clamps 13, mounting fixture 22 extends gradually, when the steel box girder lifts by crane the purpose height, stretch out first flexible claw 223 in first shrink splint 222, stretch out first flexible claw 223 in second shrink splint 225, reuse and lift by crane anchor clamps 13 and lift by crane the steel box girder on the target position, reduce the steel box girder to lifting by crane subassembly 1 pulling force, improve the security of hoist and mount, avoid the hoist and mount accident.
While there have been shown and described what are at present considered to be the basic principles and essential features of the utility model and advantages thereof, it will be apparent to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, but is capable of other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims (10)

1. The utility model provides a steel box girder lifting device of high security which characterized in that, includes lifting by crane subassembly, supporting component and telescopic strut, lifting by crane subassembly, supporting component and telescopic strut three coaxial setting, the supporting component includes lift dead lever, mounting fixture and supporting seat, telescopic strut's one end connect in lifting by crane subassembly, the other end connect in the supporting seat, the bottom mounting of lift dead lever is on the supporting seat, the top is fixed in mounting fixture.
2. The high-safety steel box girder hoisting equipment according to claim 1, wherein the fixing clamp comprises a first clamping jaw and a second clamping jaw, the first clamping jaw is fixed on the top surface of the second clamping jaw, the bottom surface of the second clamping jaw is fixed on the top end of the lifting fixing rod, the first clamping jaw and the second clamping jaw are perpendicular to each other and perpendicular to the lifting fixing rod, and the first clamping jaw and the second clamping jaw are both in a U-shaped structure.
3. The high-safety steel box girder hoisting equipment according to claim 2, wherein the first clamping jaw and the second clamping jaw are both telescopic clamping jaws, the first clamping jaw comprises a first retractable clamping plate and a first retractable claw, and the two ends of the first retractable clamping plate are movably connected with the first retractable claw respectively; the second clamping jaw comprises a second contraction clamping plate and a second telescopic claw, and the two ends of the second contraction clamping plate are respectively and movably connected with the second telescopic claw; the top surface of the second retractable clamping plate is fixedly connected to the first retractable clamping plate, and the bottom surface of the second retractable clamping plate is fixedly connected to the lifting fixing rod.
4. The high-safety steel box girder hoisting device of claim 1, wherein the bottom of the supporting seat is provided with a sliding wheel.
5. The high-safety steel box girder hoisting equipment according to claim 4, wherein the supporting base is provided with supporting legs, the supporting legs comprise a contraction connecting rod and a lifting leg, one end of the contraction connecting rod is movably connected to the supporting base, the other end of the contraction connecting rod is movably connected to the lifting leg, the contraction direction of the contraction connecting rod is parallel to a horizontal plane, and the lifting direction of the lifting leg is perpendicular to the horizontal plane.
6. The high-safety steel box girder hoisting equipment according to claim 1, wherein the hoisting assembly comprises a hoisting seat, a hoisting telescopic rod and a hoisting clamp, the bottom of the hoisting telescopic rod is fixed on the hoisting seat, and the top of the hoisting telescopic rod is movably connected with the hoisting clamp.
7. The high-safety steel box girder hoisting equipment according to claim 6, wherein the hoisting clamp comprises a hoisting rope chain, an auxiliary rod and a hoisting head, the top of the hoisting rope chain is movably connected to the top of the hoisting telescopic rod, the bottom of the hoisting rope chain is fixed to the auxiliary rod, and the auxiliary rod is connected with the hoisting head.
8. The high-safety steel box girder hoisting equipment according to claim 7, wherein the hoisting rope chain is vertically connected with the auxiliary rod, the auxiliary rod is parallel to the horizontal plane, the auxiliary rod is provided with a plurality of auxiliary connecting holes, and the hoisting head is connected to the auxiliary rod through the auxiliary connecting holes.
9. The high-safety steel box girder hoisting equipment as claimed in claim 8, wherein the hole axis direction of the auxiliary connecting hole is parallel to the horizontal line.
10. The high-safety steel box girder hoisting device according to claim 9, wherein the arrangement direction of the plurality of auxiliary connecting holes is parallel to the horizontal line and perpendicular to the hole axis direction of the auxiliary connecting holes.
CN202123286694.4U 2021-12-24 2021-12-24 Steel case roof beam lifting device of high security Active CN216512542U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202123286694.4U CN216512542U (en) 2021-12-24 2021-12-24 Steel case roof beam lifting device of high security

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202123286694.4U CN216512542U (en) 2021-12-24 2021-12-24 Steel case roof beam lifting device of high security

Publications (1)

Publication Number Publication Date
CN216512542U true CN216512542U (en) 2022-05-13

Family

ID=81505205

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202123286694.4U Active CN216512542U (en) 2021-12-24 2021-12-24 Steel case roof beam lifting device of high security

Country Status (1)

Country Link
CN (1) CN216512542U (en)

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