CN211056526U - Protection mechanism for hoisting of large plate girder - Google Patents
Protection mechanism for hoisting of large plate girder Download PDFInfo
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- CN211056526U CN211056526U CN201921661113.0U CN201921661113U CN211056526U CN 211056526 U CN211056526 U CN 211056526U CN 201921661113 U CN201921661113 U CN 201921661113U CN 211056526 U CN211056526 U CN 211056526U
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- hoisting
- clamping piece
- screw rod
- large plate
- plate girder
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Abstract
The utility model relates to the technical field of hoisting of a large plate girder, in particular to a protective mechanism for hoisting of the large plate girder, which comprises a left clamping piece, a right clamping piece, a left screw rod, a right screw rod and a hoisting assembly, wherein the left clamping piece and the right clamping piece are arranged oppositely, clamping grooves are symmetrically arranged on the inner sides of the left clamping piece and the right clamping piece, a left fixed seat and a right fixed seat are respectively arranged at the top ends of the left clamping piece and the right clamping piece, a left fixed ring and a right fixed ring are respectively arranged on the left fixed seat and the right fixed seat, the hoisting assembly comprises a hoisting ring and two hoisting rods, a left pull ring and a right pull ring are respectively arranged on the left side and the right side of the bottom end of the hoisting ring, the top ends of the two hoisting rods are respectively rotatably connected with the left fixed ring and the right fixed ring, screw through holes with opposite screw thread rotating directions are respectively arranged, the damage to the strength of the large plate girder can be reduced, the potential safety hazard of the large plate girder is reduced, and the use reliability is improved.
Description
Technical Field
The utility model relates to a big plate girder hoist and mount technical field specifically is a big plate girder is protection machanism for hoist and mount.
Background
The large plate girder is a girder-shaped structural member formed by combining steel plates, a plurality of reinforcing ribs are welded in the middle of some large plate girders, welding of the large plate girders, high-strength bolt large plate girders, heterogeneous steel large plate girders and the like can be divided according to a combination mode, when the existing large plate girder is used, the existing large plate girder is generally hoisted by a crane, firstly, the large plate girder is bound by a steel wire rope, then, the other end of the steel wire rope is bolted with a lifting hook on the crane, the large plate girder is hoisted by operating the crane, because the steel wire rope is a rope-shaped object, the large plate girder has heavier weight, and the contact surface between the steel wire rope and the large plate girder is smaller in the hoisting process, so that the position where the steel wire rope binds the large plate girder can damage the large plate girder, the large plate girder has cracks in serious conditions, the strength of the large plate girder is reduced, more. Therefore, it is necessary to develop a protection device used in the hoisting process of the large plate girder.
SUMMERY OF THE UTILITY MODEL
The utility model provides a to prior art not enough, the utility model provides a reduce to the damage of big board roof beam intensity, reduce the potential safety hazard of big board roof beam, improve the big board roof beam hoist and mount of using the reliability and use protection machanism.
In order to achieve the above object, the utility model provides a following technical scheme: a protection mechanism for hoisting a large plate girder comprises a left clamping piece, a right clamping piece, a left screw rod, a right screw rod and a hoisting assembly, wherein the left clamping piece and the right clamping piece are oppositely arranged, clamping grooves are symmetrically formed in the inner sides of the left clamping piece and the right clamping piece, a left fixing seat and a right fixing seat are respectively arranged at the top ends of the left clamping piece and the right clamping piece, a left fixing ring and a right fixing ring are respectively arranged on the left fixing seat and the right fixing seat, the hoisting assembly comprises a hoisting ring and two hoisting rods, a left pull ring and a right pull ring are respectively arranged on the left side and the right side of the bottom end of the hoisting ring, the top ends of the two hoisting rods are respectively rotatably connected with the left pull ring and the right pull ring, the bottom ends of the two hoisting rods are respectively rotatably connected with the left fixing ring and the right fixing ring, threaded through holes with opposite thread rotating directions are respectively arranged in the left fixing seat and the right fixing seat, and the left, the left screw rod and the right screw rod are symmetrically arranged, first hand wheels are arranged at the left end of the left screw rod and the right end of the right screw rod, a protection plate is arranged on the inner wall of each clamping groove, a telescopic device is transversely arranged between the left fixing seat and the right fixing seat, and an elastic adjusting device is arranged on the top side wall of each clamping groove.
Preferably, each of the elastic adjusting devices comprises a spring set, the top end of each spring set is connected with the top side wall of each clamping groove, and the bottom end of each spring set is provided with an adjusting plate.
Preferably, the front side and the rear side of the top side wall of the left clamping piece and the right clamping piece are respectively and longitudinally provided with a bolt through hole which penetrates through from top to bottom, an adjusting bolt is arranged in each bolt through hole in a threaded mode, and the top end of each adjusting bolt is provided with a second hand wheel.
Preferably, the telescoping device includes that left sleeve pipe, left side insert the post, right sleeve pipe and right side insert the post, left side sheathed tube left end and right sheathed tube right-hand member respectively with the right-hand member front side of left side fixing base and the left end rear side of right fixing base are connected, and give the one end that post and right side were inserted to the left side is slidable respectively and is inserted to left sleeve pipe and right side inside the sleeve pipe, the left end that the post was inserted to the left side and the right end that the post was inserted to the right side respectively with the right-hand member rear side of left side fixing base and the left end front side of right fixing base are connected.
Preferably, the protection plate is made of a rubber plate.
Preferably, the number of the springs of each spring group is four.
Compared with the prior art, the utility model discloses possess following beneficial effect:
the protection mechanism for hoisting the large plate girder is convenient for hanging the whole protection mechanism with external hoisting equipment through the matching of the hanging ring and the two hanging rods, and is convenient for placing the left end and the right end of the large plate girder through the arrangement of the clamping grooves on the left clamping piece and the right clamping piece; the left screw rod and the right screw rod are simultaneously rotated by rotating the first hand wheel, the distance between the left clamping piece and the right clamping piece is convenient to adjust due to the reverse arrangement of the left screw rod and the right screw rod, the distance between the left clamping piece and the right clamping piece can be adjusted according to the width of the large plate girder, so that the large plate girder can be clamped, the collision of the left clamping piece and the right clamping piece on the large plate girder can be reduced through the protection plate, and the protection performance of the large plate girder is improved; through the setting of left holder and right holder, increase the area of contact between its and the big board roof beam, reduce the damage condition to the big board roof beam, elasticity adjusting device's setting, reducible big board roof beam is rocking between two clamp grooves, further improves the clamping stability to big board roof beam hoist and mount in-process, reduces the damage to the big board roof beam, improves the protective capacities to the big board roof beam, improves the reliability in utilization.
Drawings
FIG. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic view of a top view structure of the connection of the left clamping member, the left screw rod, the left fixing seat and the left fixing ring;
fig. 3 is a schematic view of a part of an enlarged structure at a in fig. 1 according to the present invention.
In the figure: 1. a left clamp; 2. a left lead screw; 3. a left fixed seat; 4. a left retaining ring; 5. a hoisting ring; 6. a boom; 7. A left pull ring; 8. a first hand wheel; 9. a protection plate; 10. a spring set; 11. adjusting the bolt; 12. a second hand wheel; 13. a left sleeve; 14. a left inserted column; 15. a right sleeve; 16. a right insert column; 17. an adjusting plate.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-3, a protection mechanism for hoisting a large plate girder comprises a left clamping piece 1, a right clamping piece, a left screw rod 2, a right screw rod and a hoisting assembly, wherein the left clamping piece 1 and the right clamping piece are arranged oppositely, clamping grooves are symmetrically arranged on the inner sides of the left clamping piece 1 and the right clamping piece for placing the large plate girder so as to clamp the large plate girder, a left fixing seat 3 and a right fixing seat are respectively arranged at the top ends of the left clamping piece 1 and the right clamping piece, a left fixing ring 4 and a right fixing ring are respectively arranged on the left fixing seat 3 and the right fixing seat, the hoisting assembly comprises a hoisting ring 5 and two hoisting rods 6, a left pull ring 7 and a right pull ring are respectively arranged on the left side and the right side of the bottom end of the hoisting ring 5, the top ends of the two hoisting rods 6 are respectively rotatably connected with the left pull ring 7 and the right pull ring, the bottom ends of the two hoisting rods 6 are respectively rotatably connected, the distance between the fixed seat and the right fixed seat can be conveniently adjusted, the left fixed seat 3 and the right fixed seat are respectively provided with a thread through hole with opposite thread turning directions, the left screw rod 2 and the right screw rod are respectively screwed in the thread through holes of the left fixed seat 3 and the right fixed seat, the left screw rod 2 and the right screw rod are symmetrically arranged, the left end of the left screw rod 2 and the right end of the right screw rod are respectively provided with a first hand wheel 8, the left screw rod 2 and the right screw rod can be conveniently and simultaneously rotated by rotating the first hand wheel 8, so that the left fixed seat 3 and the right fixed seat can simultaneously and relatively move or move backwards, the distance between the left clamping piece 1 and the right clamping piece can be conveniently adjusted, the inner wall of each clamping groove is provided with a protection plate 9, the material of the protection plate 9 is set as a rubber plate, the hardness of the left clamping piece 1 and the right clamping piece can be reduced, the protection of a large plate girder can be improved, the telescopic device comprises a left sleeve 13, a left inserting column 14, a right sleeve 15 and a right inserting column 16, wherein the left end of the left sleeve 13 and the right end of the right sleeve 15 are respectively connected with the front side of the right end of the left fixing seat 3 and the rear side of the left end of the right fixing seat, one ends of the left inserting column 14 and the right inserting column 16 are respectively inserted into the left sleeve 13 and the right sleeve 15 in a sliding manner, the left end of the left inserting column 14 and the right end of the right inserting column 16 are respectively connected with the rear side of the right end of the left fixing seat 3 and the front side of the left end of the right fixing seat, through the sliding fit of the left inserting column 14 and the right inserting column 16 between the left sleeve 13 and the right sleeve 15, the stability in the process of distance adjustment between the left clamping piece 1 and the right clamping piece is improved, the relative rotation between the left clamping piece 1 and the right clamping piece is prevented, a spring group 10 is arranged on the top side wall of each clamping groove, and an adjusting plate 17 is arranged at the bottom end, through the elasticity of spring assembly 10, promote regulating plate 17 and press the big board roof beam and hold, reduce rocking of big board roof beam, improve the stability of big board roof beam hoist and mount in-process, each the spring quantity of spring assembly 10 all sets up to four, and the equipartition through four springs is arranged, can make regulating plate 17 evenly stable to big board roof beam application of force, the bolt through-hole that runs through from top to bottom is all vertically provided with in the front side of left side holder 1 and right holder top lateral wall and the back lateral region to each the inside equal spiro union of bolt through-hole is provided with adjusting bolt 11, each adjusting bolt 11's top all is provided with second hand wheel 12, can drive adjusting bolt 11 and rotate through rotating second hand wheel 12, rotates adjusting bolt 11 downwards, carries out the puller on adjusting plate 17, improves the tight effect of regulating plate 17 to the clamp of big board roof beam, improves stability in use.
To sum up, when the protection mechanism for hoisting the large plate girder is used, more than two protection mechanisms can be selected according to the length of the large plate girder, so that the stress of the large plate girder is uniform in the hoisting process, the first hand wheel 8 is rotated according to the width of the large plate girder, the distance between the left clamping piece 1 and the right clamping piece is increased, two ends of the large plate girder are respectively placed in the clamping grooves of the left clamping piece 1 and the right clamping piece, meanwhile, each adjusting plate 17 is installed, then, the first hand wheel 8 is rotated reversely, the distance between the left clamping piece 1 and the right clamping piece is reduced, the large plate girder is clamped, each adjusting plate 17 is tightly pressed at the top end of the large plate girder under the elasticity of the spring group 10, then, the second hand wheel 12 is rotated, the adjusting bolt 11 is screwed out downwards, the position of the adjusting plate 17 is tightly pressed, the shaking factor of the large plate girder in the hoisting process is reduced, and then the hanging ring 5 and external hoisting equipment are hung, and (4) stably clamping the large plate girder according to the field environment, and then carrying out hoisting operation.
In the description herein, it is to be noted that, unless expressly stated or limited otherwise, the terms "connected" and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; the connection may be mechanical or electrical, and may be direct or indirect via an intermediate. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In the description herein, it is noted that relational terms such as first and second, and the like, are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a big plate girder hoist and mount are with protection machanism which characterized in that: comprises a left clamping part (1), a right clamping part, a left screw rod (2), a right screw rod and a hoisting assembly, wherein the left clamping part (1) and the right clamping part are oppositely arranged, clamping grooves are symmetrically arranged on the inner sides of the left clamping part (1) and the right clamping part, a left fixing seat (3) and a right fixing seat are respectively arranged at the top ends of the left clamping part (1) and the right clamping part, a left fixing ring (4) and a right fixing ring are respectively arranged on the left fixing seat (3) and the right fixing seat, the hoisting assembly comprises a hoisting ring (5) and two hoisting rods (6), a left pull ring (7) and a right pull ring are respectively arranged on the left side and the right side of the bottom end of the hoisting ring (5), the top ends of the two hoisting rods (6) are respectively rotatably connected with the left pull ring (7) and the right pull ring, and the bottom ends of the two hoisting rods (6) are respectively rotatably connected, the left fixing seat (3) and the right fixing seat are internally provided with thread through holes with opposite thread turning directions respectively, the left screw rod (2) and the right screw rod are respectively screwed in the thread through holes of the left fixing seat (3) and the right fixing seat, the left screw rod (2) and the right screw rod are symmetrically arranged, the left end of the left screw rod (2) and the right end of the right screw rod are respectively provided with a first hand wheel (8), each of the first hand wheel and the second hand wheel is provided with a protection plate (9) on the inner wall of the clamping groove, a telescopic device is transversely arranged between the left fixing seat (3) and the right fixing seat, and each of the first hand wheel and the second hand wheel is provided with an elastic.
2. The protection mechanism for hoisting the large plate girder according to claim 1, characterized in that: each elasticity adjusting device comprises a spring set (10), the top end of each spring set is connected with the top side wall of each clamping groove, and an adjusting plate (17) is arranged at the bottom end of each spring set (10).
3. The protection mechanism for hoisting the large plate girder according to claim 1, characterized in that: the front side and the rear side of the top side wall of the left clamping piece (1) and the right clamping piece are longitudinally provided with bolt through holes which penetrate through from top to bottom, adjusting bolts (11) are arranged in the bolt through holes in a threaded mode, and the top end of each adjusting bolt (11) is provided with a second hand wheel (12).
4. The protection mechanism for hoisting the large plate girder according to claim 1, characterized in that: the telescoping device includes that left sleeve pipe (13), a left side insert post (14), right sleeve pipe (15) and right side insert post (16), the left end of left side sleeve pipe (13) and the right-hand member of right sleeve pipe (15) respectively with the right-hand member front side of left side fixing base (3) and the left end rear side of right fixing base are connected, and give the one end that left side inserted post (14) and right side inserted post (16) is slidable respectively and inserts to left sleeve pipe (13) and right sleeve pipe (15) inside, the left end that left side inserted post (14) and the right-hand member that right side inserted post (16) respectively with the right-hand member rear side of left side fixing base (3) and the left end front side of right fixing base are connected.
5. The protection mechanism for hoisting the large plate girder according to claim 1, characterized in that: the protection plate (9) is made of rubber plates.
6. The protection mechanism for hoisting the large plate girder according to claim 2, characterized in that: the number of the springs of each spring group (10) is four.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921661113.0U CN211056526U (en) | 2019-10-07 | 2019-10-07 | Protection mechanism for hoisting of large plate girder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921661113.0U CN211056526U (en) | 2019-10-07 | 2019-10-07 | Protection mechanism for hoisting of large plate girder |
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| Publication Number | Publication Date |
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| CN211056526U true CN211056526U (en) | 2020-07-21 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201921661113.0U Active CN211056526U (en) | 2019-10-07 | 2019-10-07 | Protection mechanism for hoisting of large plate girder |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111852042A (en) * | 2020-07-24 | 2020-10-30 | 哈尔滨学院 | Support-free layered assembly type steel structure |
| CN112283452A (en) * | 2020-10-27 | 2021-01-29 | 德清博发智能科技有限公司 | Mechanical clamping device for petroleum oil pipe |
| CN112727969A (en) * | 2020-12-21 | 2021-04-30 | 丁金念 | Tensile spring |
| CN113772530A (en) * | 2021-08-26 | 2021-12-10 | 中国航空工业集团公司北京航空精密机械研究所 | A grabbing device for fast reactor subassembly transportation process |
-
2019
- 2019-10-07 CN CN201921661113.0U patent/CN211056526U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111852042A (en) * | 2020-07-24 | 2020-10-30 | 哈尔滨学院 | Support-free layered assembly type steel structure |
| CN112283452A (en) * | 2020-10-27 | 2021-01-29 | 德清博发智能科技有限公司 | Mechanical clamping device for petroleum oil pipe |
| CN112727969A (en) * | 2020-12-21 | 2021-04-30 | 丁金念 | Tensile spring |
| CN113772530A (en) * | 2021-08-26 | 2021-12-10 | 中国航空工业集团公司北京航空精密机械研究所 | A grabbing device for fast reactor subassembly transportation process |
| CN113772530B (en) * | 2021-08-26 | 2023-12-19 | 中国航空工业集团公司北京航空精密机械研究所 | Grabbing device for fast reactor assembly transferring process |
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