CN211813046U - Hoisting device of pi shaped steel mixes combination bridge girder steel - Google Patents
Hoisting device of pi shaped steel mixes combination bridge girder steel Download PDFInfo
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- CN211813046U CN211813046U CN202020289776.0U CN202020289776U CN211813046U CN 211813046 U CN211813046 U CN 211813046U CN 202020289776 U CN202020289776 U CN 202020289776U CN 211813046 U CN211813046 U CN 211813046U
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Abstract
The utility model discloses a hoisting device of pi shaped steel mixes combination bridge girder steel, including hoist and mount roof beam and two hoists, two hoists hang the both ends of locating hoist and mount roof beam respectively, the hoist includes two lifting hooks that correspond with two alar parts of I-shaped steel roof respectively, and two lifting hooks one end relative each other is articulated and can wind the pin joint at vertical in-plane rotation, and the draw-in groove that can supply corresponding alar part card to go into is seted up to two lifting hooks one end relative each other. Compared with the hoisting mode of binding steel beams by steel wire ropes, the hoisting efficiency of the structure is greatly improved. And, by the restriction of I-steel roof beam roof plate structure, the lifting hook can inside side clamp alar part when lifting by crane to can prevent effectively that pi-shaped roof beam from taking place longitudinal slip at the hoist and mount in-process, improve the security of hoist and mount.
Description
Technical Field
The utility model relates to a bridge construction technical field especially relates to a hoisting device of pi shaped steel mixes combination bridge girder steel.
Background
The assembled Pi-shaped steel-concrete composite beam is a novel bridge structure developed on the basis of a reinforced concrete bridge deck and a steel beam, wherein two rib parts of the beam are I-shaped steel beams, the bridge deck is made of reinforced concrete slabs, and the steel beam and a concrete wing plate are connected into a whole through a shear connector or a perforated steel plate. The girder steel generally adopts the I-shaped girder steel, comprises roof, bottom plate and the connecting plate of connecting between roof and bottom plate, and the top is divided into two alar parts through the connecting plate. The composite beam fully exerts the respective advantages of the two materials, forms a structural form with high rigidity, good ductility and high strength, and has been widely applied in the field of bridge structures.
The steel beam part of the novel assembly type pi-shaped steel-concrete combined bridge unit is processed in a factory and then transported to the site for fixing, and then a formwork is erected on the site and a reinforced concrete bridge deck is cast in situ. The steel beam needs to be hoisted and positioned between fixed steel beams, and due to the uniqueness of the structure, no special hoisting device is used for hoisting the steel beam at present, the steel beam is generally bound by a steel wire rope, and then the steel beam is hoisted by a conventional hoisting device, so that the time and the labor are wasted. Therefore, a hoisting tool for efficiently completing hoisting and positioning of the steel beam part of the pi-shaped steel-concrete combined bridge is needed.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is overcome prior art not enough, provide a hoist device that combination bridge girder steel is mixed to convenient high-efficient and high pi shaped steel of hoist and mount.
In order to solve the technical problem, the utility model discloses a following technical scheme:
the utility model provides a hoisting device of pi shaped steel mixes combination bridge girder steel, includes hoist and mount roof beam and two hoists, hoist and mount roof beam level is arranged two hoists and is hung the both ends of locating hoist and mount roof beam respectively, the hoist includes two lifting hooks that correspond with two alar parts of I-shaped steel roof beam respectively, and two lifting hooks one end relative to each other is articulated and can wind the pin joint at vertical in-plane rotation, and two lifting hooks one end relative to each other is seted up the draw-in groove that can supply corresponding alar part card to go into.
From this, move the hoist to the top back that is close to corresponding girder steel, the manual work is opened two lifting hooks around two lifting hooks of pin joint slant rotation to two lifting hooks, aims at corresponding alar part with the draw-in groove of lifting hook again, and the lifting hook removes towards corresponding alar part, makes alar part card loosen the lifting hook after in the draw-in groove of corresponding lifting hook, can hoist two I-shaped girder steels respectively to the below at hoist and mount roof beam both ends to lift by crane. Compared with the hoisting mode of binding steel beams by steel wire ropes, the hoisting efficiency of the structure is greatly improved. And, by the restriction of I-steel roof beam roof plate structure, the lifting hook can inside side clamp alar part when lifting by crane to can prevent effectively that pi-shaped roof beam from taking place longitudinal slip at the hoist and mount in-process, improve the security of hoist and mount.
As a further improvement of the above technical solution:
for realizing the flexible connection of lifting hook and hoist and mount roof beam, the both ends part of hoist and mount roof beam bottom is equipped with vertical arrangement's first hanger plate, has seted up first lewis hole on the first hanger plate, wear to be equipped with first lifting rope in the first lewis hole, the both ends of first lifting rope link to each other with corresponding lifting hook respectively.
The upper portion of the lifting hook is provided with a vertically arranged lifting handle, and the upper end of the lifting handle is fixed with the first lifting rope.
In order to improve the connection rigidity of the first hanging plate, a first reinforcing plate is connected between the first hanging plate and the hoisting beam.
In order to realize the flexible connection between the hoisting beam and the hoisting equipment, a second lifting rope used for connecting the hoisting equipment is arranged above the hoisting beam, the two ends of the top of the hoisting beam are respectively provided with a second lifting plate which is vertically arranged, and the two ends of the second lifting rope are respectively fixed on the corresponding second lifting plates.
In order to improve the connection rigidity of the second hanging plate, a second reinforcing plate is connected between the second hanging plate and the hoisting beam.
The hoisting beam is formed by connecting a top plate and a bottom plate through a connecting plate, and the hoisting beam of the I-steel is a main bearing member. And a third reinforcing plate is further arranged at a position, corresponding to the second reinforcing plate, on the hoisting beam, and the third reinforcing plate is connected among the top plate, the bottom plate and the connecting plate.
The first hanger plate and the second hanger plate are arranged vertically to reduce stress concentration at the hanger point.
In order to avoid the shaking of the I-shaped steel beams in the hoisting process, the two I-shaped steel beams are connected through the cross arm. The length of stull is the installation interval of two I-steel girders to improve the efficiency of construction.
The anti-slip piece is arranged on the inner wall of the clamping groove, so that the sliding of the pi-shaped beam in the hoisting process can be further avoided, and the safety is improved.
Compared with the prior art, the utility model has the advantages of:
1. this device adopts the lifting hook hoist and mount I-shaped steel beam that the opening set up relatively, has replaced original wire rope to bind hoist and mount the girder steel, has saved the time, has improved work efficiency.
2. The device has simple structure and hoisting and convenient use; the local deformation of the pi-shaped beam in the hoisting process can be effectively prevented.
3. The lifting hook of the device can clamp the wing part of the top plate of the I-shaped steel beam inwards when lifting, and can effectively prevent the longitudinal sliding of the Pi-shaped beam in the lifting process, thereby improving the lifting safety.
Drawings
Fig. 1 is the utility model discloses hoisting device's of pi shaped steel mixes combination bridge girder steel look at the schematic diagram mainly.
Fig. 2 is a schematic side view of the hoisting beam.
Illustration of the drawings: 1. hoisting the beam; 11. a top plate; 12. a base plate; 13. a connecting plate; 14. a third reinforcing plate; 2. a hook; 21. a card slot; 22. a lifting handle; 3. a first hanger plate; 31. a first lifting hole; 32. a first reinforcing plate; 4. a first lifting rope; 5. a second lifting rope; 6. a second hanger plate; 61. a second reinforcing plate; 7. a cross brace; 8. an I-beam; 81. a wing portion; 9. and (4) a pin.
Detailed Description
The invention is further described below with reference to specific preferred embodiments, without thereby limiting the scope of protection of the invention.
Example 1:
as shown in fig. 1, the hoisting device for the pi-shaped steel-concrete composite bridge steel beam comprises a hoisting beam 1 and two lifting appliances, wherein the hoisting beam 1 is horizontally arranged, and the two lifting appliances are respectively hung at two ends of the hoisting beam 1.
As shown in fig. 1 and 2, the hoisting beam 1 is a main load-bearing member, and is an i-beam mainly formed by connecting a top plate 11 and a bottom plate 12 through a connecting plate 13, and two ends of the hoisting beam 1 are provided with hoisting points corresponding to two hoists one to one.
Every hoist includes two lifting hooks 2 that correspond with two alar parts 81 of I-steel roof beam 8 respectively, and two lifting hooks 2 one end relative to each other is passed through the toggle bolt 9 and is articulated and can be around the toggle bolt 9 rotation in vertical plane, and the draw-in groove 21 that can supply corresponding alar part 81 card to go into is seted up to two lifting hooks 2 one end relative to each other, is equipped with the slipmat on the inner wall of draw-in groove 21 to avoid I-steel roof beam 8 slippage from draw-in groove 21 in the hoist and mount in-process.
In this embodiment, the two ends of the bottom plate 12 along the length direction of the hoisting beam 1 are respectively welded with the first hoisting plate 3 which is vertically arranged, and the first hoisting plate 3 and the second hoisting plate 6 are vertically arranged to reduce the stress concentration at the hoisting point. First lifting hole 31 has been seted up on first hanger plate 3, wears to be equipped with first lifting rope 4 in the first lifting hole 31, and the both ends of first lifting rope 4 link to each other with corresponding lifting hook 2 through lifting handle 22 respectively. The stainless steel lifting handle 22 is arranged on the upper part of the lifting hook 2 and plays a role in connecting the lifting hook 2 and the lifting beam 1.
First reinforcing plates 32 are welded between the first hanging plate 3 and the bottom plate 12, two first reinforcing plates 32 are arranged at each hanging point, and the two first reinforcing plates 32 are respectively arranged at the left side and the right side of the first hanging plate 3 so as to increase the connection rigidity of the first hanging plate 3.
A second lifting rope 5 used for connecting lifting equipment is arranged above the top plate 11, the vertically arranged second lifting plates 6 are respectively welded at the two ends of the top plate 11 along the length direction of the lifting beam 1, second lifting holes 62 are formed in the second lifting plates 6, and the two ends of the second lifting rope 5 are respectively fixed in the second lifting holes 62 of the corresponding second lifting plates 6.
A second reinforcing plate 61 is connected between the second hanger plate 6 and the top plate 11. Two second reinforcing plates 61 are arranged at each hanging point, and the two second reinforcing plates 61 are respectively arranged at the front side and the rear side of the second hanging plate 6 so as to increase the hanging rigidity of the second hanging plate 6.
And a third reinforcing plate 14 is arranged at a position, corresponding to the lifting point, on the lifting beam 1, and the third reinforcing plate 14 is welded among the top plate 11, the bottom plate 12 and the connecting plate 13. Two third reinforcing plates 14 are arranged at each lifting point, and the two third reinforcing plates 14 are respectively arranged at the front side and the rear side of the connecting plate 13 so as to increase the rigidity of the lifting points.
In order to avoid the I-shaped steel beam from shaking in the hoisting process, the two I-shaped steel beams 8 are connected through the cross brace 7.
The manufacturing process of the hoisting device is as follows:
adopt the welded mode to weld hoist and mount roof beam 1 with each hanger plate and reinforcing plate, adopt the peg 9 to connect two lifting hooks 2, then install stainless steel lifting handle 22, the special hoist device of novel assembled pi shaped steel mixes combination beam is assembled and is accomplished. The first hanger plate 3 at the lower part of the hoisting beam is connected with the two lifting hooks 2 by a steel wire rope, and the upper part of the hoisting beam is connected with a hoisting device (gantry crane) by a steel wire rope.
The process of hoisting the two I-shaped steel beams 8 by the hoisting device is as follows:
s1: the two I-shaped steel beams 8 are connected through the cross braces 7, and the distance between the two I-shaped steel beams 8 is the construction distance.
S2: after the lifting appliance is moved to the position above the corresponding steel beam, the two lifting hooks 2 which are hinged are manually rotated upwards around the hinged point in an inclined mode until the two lifting hooks 2 are opened, then the clamping grooves 21 of the lifting hooks 2 are aligned to the corresponding wing parts 81, the wing parts 81 are partially clamped into the clamping grooves 21 of the corresponding lifting hooks 2, the lifting hooks 2 are rotated downwards in an inclined mode, the wing parts 81 are clamped into the clamping grooves 21 of the corresponding lifting hooks 2, then the lifting hooks 2 are loosened, and the two I-shaped steel beams 8 can be respectively lifted to the positions below two ends of the lifting beam 1 so as to be lifted.
S3: and operating the hoisting equipment to hoist the novel assembled Pi-shaped steel-concrete composite beam steel beam part to a specified position.
S4: after the hoisting is finished, the two hinged lifting hooks 2 are manually rotated upwards around the hinged point in an inclined mode to the corresponding wing parts 81 to be separated from the clamping grooves 21, and the hoisting equipment is controlled to move the hoisting device to the next steel beam to be hoisted.
Compared with the hoisting mode of binding steel beams by steel wire ropes, the hoisting efficiency of the structure is greatly improved. And, by the restriction of I-steel roof beam roof plate structure, the lifting hook can inside side clamp alar part when lifting by crane to can prevent effectively that pi-shaped roof beam from taking place longitudinal slip at the hoist and mount in-process, improve the security of hoist and mount.
The above description is only for the preferred embodiment of the present application and should not be taken as limiting the present application in any way, and although the present application has been disclosed in the preferred embodiment, it is not intended to limit the present application, and those skilled in the art should understand that they can make various changes and modifications within the technical scope of the present application without departing from the scope of the present application, and therefore all the changes and modifications can be made within the technical scope of the present application.
Claims (10)
1. The utility model provides a hoisting device of pi shaped steel mixes combination bridge girder steel, a serial communication port, including hoist and mount roof beam (1) and two hoists, hoist and mount roof beam (1) level is arranged, and two hoists hang the both ends of locating hoist and mount roof beam (1) respectively, the hoist includes two lifting hooks (2) that correspond with two alar parts (81) of I-shaped steel roof beam (8) respectively, and two lifting hooks (2) one end relative to each other is articulated and can wind the pin joint at vertical plane internal rotation, and draw-in groove (21) that can supply corresponding alar part (81) card to go into are seted up to two lifting hooks (2) one end relative to each other.
2. The hoisting device of the pi-shaped steel and concrete combined bridge steel beam as claimed in claim 1, wherein the two end portions of the bottom of the hoisting beam (1) are provided with first hoisting plates (3) which are vertically arranged, the first hoisting plates (3) are provided with first hoisting holes (31), first hoisting ropes (4) are arranged in the first hoisting holes (31) in a penetrating manner, and two ends of each first hoisting rope (4) are respectively connected with corresponding hoisting hooks (2).
3. The hoisting device of the pi-shaped steel and concrete combined bridge steel beam as claimed in claim 2, wherein the upper part of the lifting hook (2) is provided with a vertically arranged lifting handle (22), and the upper end of the lifting handle (22) is fixed with the first lifting rope (4).
4. The hoisting device of the pi-shaped steel-concrete combined bridge girder according to claim 2, wherein a first reinforcing plate (32) is connected between the first hoisting plate (3) and the hoisting beam (1).
5. The hoisting device of the pi-shaped steel and concrete combined bridge steel beam according to any one of claims 2 to 4, wherein a second lifting rope (5) for connecting a hoisting device is arranged above the hoisting beam (1), two ends of the top of the hoisting beam (1) are respectively provided with a second lifting plate (6) which is vertically arranged, and two ends of the second lifting rope (5) are respectively fixed on the corresponding second lifting plates (6).
6. The hoisting device of the pi-shaped steel and concrete combined bridge girder according to claim 5, wherein a second reinforcing plate (61) is connected between the second hoisting plate (6) and the hoisting beam (1).
7. The hoisting device of the pi-shaped steel and concrete combined bridge steel beam as claimed in claim 6, wherein the hoisting beam (1) is formed by connecting a top plate (11) and a bottom plate (12) through a connecting plate (13), a third reinforcing plate (14) is further arranged on the hoisting beam (1) at a position corresponding to the second reinforcing plate (61), and the third reinforcing plate (14) is connected among the top plate (11), the bottom plate (12) and the connecting plate (13).
8. The hoisting device of the pi-shaped steel and concrete combined bridge girder according to claim 5, wherein the first hanger plate (3) and the second hanger plate (6) are vertically arranged.
9. The hoisting device of the pi-shaped steel and concrete combined bridge girder according to any one of claims 1 to 4 and 6 to 8, wherein two i-shaped steel girders (8) are connected through a cross brace (7).
10. The hoisting device of the pi-shaped steel-concrete combined bridge girder according to any one of claims 1 to 4 and 6 to 8, wherein the inner wall of the clamping groove (21) is provided with an anti-skid member.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020289776.0U CN211813046U (en) | 2020-03-10 | 2020-03-10 | Hoisting device of pi shaped steel mixes combination bridge girder steel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020289776.0U CN211813046U (en) | 2020-03-10 | 2020-03-10 | Hoisting device of pi shaped steel mixes combination bridge girder steel |
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| Publication Number | Publication Date |
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| CN211813046U true CN211813046U (en) | 2020-10-30 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202020289776.0U Active CN211813046U (en) | 2020-03-10 | 2020-03-10 | Hoisting device of pi shaped steel mixes combination bridge girder steel |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114030977A (en) * | 2021-10-27 | 2022-02-11 | 中铁七局集团郑州工程有限公司 | A hoist and mount auxiliary device for installing railway bridge floor system pavement angle steel support fast |
-
2020
- 2020-03-10 CN CN202020289776.0U patent/CN211813046U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114030977A (en) * | 2021-10-27 | 2022-02-11 | 中铁七局集团郑州工程有限公司 | A hoist and mount auxiliary device for installing railway bridge floor system pavement angle steel support fast |
| CN114030977B (en) * | 2021-10-27 | 2023-06-27 | 中铁七局集团郑州工程有限公司 | Hoisting auxiliary device for rapidly installing angle steel bracket of pavement of railway bridge deck system |
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