CN217579819U - Steel cover beam integral hoisting structure free of limitation of beam bottom space condition - Google Patents

Steel cover beam integral hoisting structure free of limitation of beam bottom space condition Download PDF

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Publication number
CN217579819U
CN217579819U CN202221498459.5U CN202221498459U CN217579819U CN 217579819 U CN217579819 U CN 217579819U CN 202221498459 U CN202221498459 U CN 202221498459U CN 217579819 U CN217579819 U CN 217579819U
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China
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steel
pier
bracket
hoisting
beams
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CN202221498459.5U
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毛伟琦
周功建
杨帆
涂满明
褚文涛
姚发海
夏刚
陈世明
周超舟
雷雨劼
崔移洋
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China Railway Major Bridge Engineering Group Co Ltd MBEC
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China Railway Major Bridge Engineering Group Co Ltd MBEC
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Abstract

The utility model relates to a do not receive steel cap roof beam integral hoisting structure of beam bottom space condition restriction belongs to single-column mound and consolidates technical field, include: the pier top hanging bracket comprises two upper longitudinal beams which are fixed on the pier top of the pier and are parallel to each other and arranged at intervals, and two upper cross beams which are positioned on two sides of the pier and fixedly connected with the two upper longitudinal beams; the capping beam bracket is positioned below the pier top hanging bracket and comprises two lower longitudinal beams which are parallel to each other and arranged at intervals and two lower cross beams which are positioned on two sides of the pier and fixedly connected with the two lower longitudinal beams; and the hoisting unit is connected between the pier top hoisting frame and the capping beam bracket and is used for hoisting the capping beam bracket upwards to hoist the steel capping beam on the capping beam bracket to the pier top position of the pier. The problem that large-scale equipment of lifting by crane is difficult to lift by crane in narrow and small space has been overcome to, this application steel bent cap integral hoisting structure falls with convenient, the input is few, convenient operation.

Description

Steel cover beam integral hoisting structure free of limitation of beam bottom space condition
Technical Field
The application relates to the technical field of single-column pier reinforcement, in particular to a steel cover beam integral hoisting structure free of limitation of beam bottom space conditions.
Background
The single-column pier continuous beam bridge adopted as the middle pier has small occupied space and good visual field, and is widely applied to urban bridges and expressway intercommunicating ramps in the early stage. In the using process, the single-column pier bridge is found to have serious overturning risks along with the continuous increase of the traffic flow and the vehicle load.
For solving this problem, need to consolidate current single-column pier bridge, at present, connect the reinforcement mode of steel bent cap in original pier outer wrapping steel pipe by extensive adoption.
Because the original pier needs to be surrounded by the steel cover beam, the installation mode generally adopted at present is that two halves of the steel cover Liang Fencheng are manufactured in a factory respectively and then transported to a site to be hoisted by a crane, the hoisting is carried out by adopting half hoisting, and after the hoisting is in place, the steel cover beam is welded into a whole on the pier top.
However, this installation method requires large-scale hoisting equipment, which is easily limited by the space under the bridge, and the hoisting equipment cannot be used when the space at the bottom of the beam is small. In addition, the topography at part of the pier position is poor, and large construction machinery is difficult to reach. Even mechanical equipment can be used, the two halves of steel cover beams hoisted in blocks are difficult to butt in high altitude, construction is inconvenient, mechanical investment is large, and safety risk is high.
Disclosure of Invention
The embodiment of the application provides a steel bent cap integral hoisting structure who does not receive the restriction of beam bottom space condition to when solving single-column mound reinforcement steel bent cap among the correlation technique, receive the restriction of beam bottom space, can't use large-scale hoist and mount mechanical equipment, lead to the construction inconvenient, mechanical input is big, the problem that the safety risk is high.
The embodiment of the application provides a steel lid roof beam integral hoisting structure who does not receive beam bottom space condition restriction, include:
the pier top hanging bracket comprises two upper longitudinal beams which are fixed on the pier top of the pier and are parallel to each other and arranged at intervals, and two upper cross beams which are positioned on two sides of the pier and fixedly connected with the two upper longitudinal beams;
the capping beam bracket is positioned below the pier top hanging bracket and comprises two lower longitudinal beams which are parallel to each other and arranged at intervals and two lower cross beams which are positioned on two sides of the pier and fixedly connected with the two lower longitudinal beams;
the hoisting unit is connected between the pier top hanging bracket and the cover beam bracket and is lifted upwards to hoist the steel cover beam on the cover beam bracket to the pier top of the pier.
In some embodiments: the lifting unit is an electric block or a chain block which is respectively fixed at two ends of the two upper cross beams, the top of the electric block or the chain block is connected with the upper cross beam, and the bottom of the electric block or the chain block is connected with the lower longitudinal beam.
In some embodiments: the bottom at the both ends of the upper beam is all fixedly provided with an upper lifting lug for hanging the electric block or the chain block, and the top at the both ends of the lower longitudinal beam is all fixedly provided with a lower lifting lug for hanging the electric block or the chain block.
In some embodiments: the two upper longitudinal beams are detachably connected with the two upper cross beams through bolts, and the two lower longitudinal beams are detachably connected with the two lower cross beams through bolts.
In some embodiments: two the top at bottom end rail both ends all is equipped with many and is the rolling steel pipe of longitudinal bridge to setting up, the steel bent cap is located the top of rolling steel pipe, two can dismantle on the bottom end rail and be connected with the stopper of fixing many rolling steel pipes on the bottom end rail.
In some embodiments: and dense concrete is injected into the rolling steel pipe.
In some embodiments: the screw rod is characterized by further comprising a screw rod which connects the two steel covers Liang Duige together, lug plates of connecting bolts are welded on the two sides of the steel cover beam respectively, and the screw rod penetrates into the lug plates of the two steel cover beams and is connected with a nut.
In some embodiments: still include the chain block that links together two steel bent caps, the chain block is equipped with two sets ofly, and two sets of chain blocks are located the both sides of two steel bent caps respectively, the one end and one of them steel bent cap of chain block are connected, the other end and another steel bent cap of chain block are connected.
In some embodiments: the hoisting unit comprises a winch fixed on the ground, one end of a steel wire rope wound by the winch winds the pier top hanging bracket and then is connected with the bent cap bracket, and the winch winds the steel wire rope to lift the bent cap bracket to a set height.
In some embodiments: fixed pulleys for changing the hoisting direction of the steel wire rope are fixedly arranged on the pier top hanging bracket, and the number of the fixed pulleys is four, and the four fixed pulleys are respectively fixed at two ends of the two upper cross beams.
The beneficial effect that technical scheme that this application provided brought includes:
the embodiment of the application provides an integral hoisting structure of a steel cover beam, which is not limited by a beam bottom space condition, and the integral hoisting structure of the steel cover beam is provided with a pier top hanging bracket, wherein the pier top hanging bracket comprises two upper longitudinal beams which are fixed on the pier top of a pier and are parallel to each other and arranged at intervals, and two upper cross beams which are positioned on two sides of the pier and are fixedly connected with the two upper longitudinal beams; the capping beam bracket is positioned below the pier top hanging bracket and comprises two lower longitudinal beams which are parallel to each other and arranged at intervals and two lower cross beams which are positioned at two sides of the pier and fixedly connected with the two lower longitudinal beams; and the hoisting unit is connected between the pier top hoisting frame and the capping beam bracket and is used for hoisting the capping beam bracket upwards to hoist the steel capping beam on the capping beam bracket to the pier top position of the pier.
Consequently, the steel cap roof beam integral hoisting structure of this application fixes the mound top gallows in the mound top position of pier, and make full use of pier existing condition requires lowly to operating space, does not receive the restriction of beam bottom space condition. The steel cover beam is assembled on the ground temporarily by the cover beam bracket and then hoisted integrally, so that the construction process of hoisting twice by using the traditional crane is optimized. And a hoisting unit for hoisting the capping beam bracket is arranged between the pier top hanger and the capping beam bracket, and the hoisting unit uses the pier top hanger as a support and vertically hoists the capping beam bracket upwards so as to hoist the steel capping beam on the capping beam bracket to the pier top position of the pier. The problem that large-scale equipment of lifting by crane is difficult to lift by crane in narrow and small space has been overcome to this application steel bent cap integral hoisting structure falls to with convenient, the input is few, convenient operation.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
FIG. 1 is a schematic structural diagram of an embodiment of the present application;
FIG. 2 is a front view of the structure of the pier top hanger according to the embodiment of the present application;
FIG. 3 is a top view of the structure of the pier top hanger of the embodiment of the present application;
FIG. 4 is a front view of the construction of the bent cap bracket according to the embodiment of the present application;
FIG. 5 is a top view of the construction of an embodiment of the present application;
FIG. 6 is a schematic structural view of a lower beam and a rolling steel pipe according to an embodiment of the present disclosure;
fig. 7 is a schematic structural view of a steel cover beam and a screw rod according to an embodiment of the present application.
Reference numerals:
1. a pier top hanging bracket; 2. a capping beam bracket; 3. a hoisting unit; 4. rolling the steel pipe; 5. a steel capping beam; 6. a screw; 7. chain rewinding; 8. a limiting block; 9. an upper longitudinal beam; 10. an upper cross beam; 11. an upper lifting lug; 12. a lower cross beam; 13. a lower longitudinal beam; 14. a lower lifting lug; 15. an ear plate; 17. provided is a bridge pier.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
The embodiment of the application provides a steel bent cap integral hoisting structure who does not receive the restriction of beam bottom space condition, and it can solve among the correlation technique when single-column mound consolidates the steel bent cap, receives the restriction of beam bottom space, can't use large-scale hoist and mount mechanical equipment, leads to the construction inconvenience, and mechanical input is big, the problem that the safety risk is high.
Referring to fig. 1 to 5, an embodiment of the present application provides an integral hoisting structure of a steel cap beam without limitation of a beam bottom space condition, including:
the pier top hanging bracket 1 comprises two upper longitudinal beams 9 which are fixed on the pier top of a pier 17 and are parallel to each other and arranged at intervals, and two upper cross beams 10 which are positioned on two sides of the pier 17 and fixedly connected with the two upper longitudinal beams 9, wherein the two upper cross beams 10 and the two upper longitudinal beams 9 jointly form a structure shaped like a Chinese character 'jing'. The upper longitudinal beams 9 and the upper transverse beams 10 can be made of I-shaped steel or channel steel structures, the two upper transverse beams 10 are located at the bottoms of the two upper longitudinal beams 9, the two upper transverse beams 10 and the two upper longitudinal beams 9 are detachably connected through bolts, and the disassembly and the transportation after the site building and the use are facilitated.
The capping beam bracket 2 is positioned below the pier top hanging bracket 1, the capping beam bracket 2 comprises two lower longitudinal beams 13 which are parallel to each other and arranged at intervals, and two lower cross beams 12 which are positioned on two sides of a pier and fixedly connected with the two lower longitudinal beams 13, and the two lower cross beams 12 and the two lower longitudinal beams 13 form a structure in a shape like a Chinese character 'jing'. The lower longitudinal beams 13 and the lower cross beams 12 can be made of I-shaped steel or channel steel structures, the two lower cross beams 12 are located at the tops of the two lower longitudinal beams 13, the two lower cross beams 12 and the two lower longitudinal beams 13 are detachably connected through bolts, and the disassembly and the transportation after the site building and the use are facilitated.
And the hoisting unit 3 is connected between the pier top hanging bracket 1 and the capping beam bracket 2, and the hoisting unit 3 is used for lifting the capping beam bracket 2 upwards to hoist the steel capping beam 5 on the capping beam bracket 2 to the pier top position of the pier 17. After the steel bent cap 5 on the bent cap bracket and the bent cap bracket 2 is lifted to the pier top position of the pier 17 by the lifting unit 3, the steel bent cap 5 is conveniently fixed on the pier top of the pier 17, so that the steel bent cap 5 supports the girder on the top of the pier 17 left and right.
The steel cap beam integral hoisting structure fixes the pier top hanging bracket 1 at the pier top position of the pier 17, makes full use of the existing conditions of the pier, has low requirements on operation space, and is not limited by beam bottom space conditions. The steel bent cap 5 is assembled on the ground temporarily by the bent cap bracket 2 and then is hoisted integrally, so that the construction process of hoisting twice by using the traditional crane is optimized. And a hoisting unit 3 for hoisting the capping beam bracket 2 is arranged between the pier top hanging bracket 1 and the capping beam bracket 2, and the hoisting unit 3 uses the pier top hanging bracket 1 as a support to vertically and upwards hoist the capping beam bracket 2 so as to hoist the steel capping beam 5 on the capping beam bracket 2 to the pier top position of a pier 17. The problem that large-scale equipment of lifting by crane is difficult to lift by crane in narrow and small space has been overcome to, this application steel bent cap integral hoisting structure falls with convenient, the input is few, convenient operation.
In some alternative embodiments: referring to fig. 1 to 5, an embodiment of the present application provides an integral hoisting structure of a steel cover beam, which is not limited by a beam bottom space condition, where a hoisting unit 3 of the integral hoisting structure of the steel cover beam is an electric block or a chain block fixed at two ends of two upper beams 10, respectively, the top of the electric block or the chain block is connected with the upper beams 10, and the bottom of the electric block or the chain block is connected with a lower longitudinal beam 13. The bottom at both ends of the upper beam 10 is fixedly provided with an upper lifting lug 11 for hanging an electric hoist or a chain block, and the top at both ends of the lower longitudinal beam 13 is fixedly provided with a lower lifting lug 14 for hanging an electric hoist or a chain block.
The electric block or the chain block is respectively provided with four electric blocks or the chain block, two ends of the four electric blocks or the chain block are respectively correspondingly hung on the upper lifting lug 11 and the lower lifting lug 14, and the cover beam bracket 2 is lifted and lowered by retracting and releasing the upper lifting lug 11 and the lower lifting lug 14. The electric hoist is used for lifting and lowering the bent cap bracket 2 in a construction place with power supply, so that the lifting construction efficiency is improved, and the working difficulty is reduced. In a construction site without power supply, the hand chain block is used for lifting and lowering the bent cap bracket 2, so that the field construction is convenient.
In some alternative embodiments: referring to fig. 1 and 6, the embodiment of the application provides an integral hoisting structure of a steel cover beam without limitation of beam bottom space conditions, wherein a plurality of rolling steel pipes 4 arranged in a longitudinal bridge direction are arranged at the tops of two ends of two lower beams 12 of the integral hoisting structure of the steel cover beam, and a steel cover beam 5 is positioned at the top of each rolling steel pipe 4. The two lower beams 12 are detachably connected with limiting blocks 8 for fixing the rolling steel pipes 4 on the lower beams 12. Dense concrete is injected into the rolling steel pipe 4. The rolling steel pipe 4 is used for supporting the steel capping beam 5 in a rolling mode, so that the steel capping beam 5 can move horizontally on the rolling steel pipe 4, and the friction force between the steel capping beam 5 and the lower cross beam 12 is reduced.
The limiting blocks 8 are fixed on two sides of the rolling steel pipes 4 and used for preventing safety accidents caused by the fact that the rolling steel pipes 4 roll on the lower cross beam 12 when the steel bent caps 5 are lifted. After the steel bent cap 5 is lifted to the pier top position of a pier 17, the limiting block 8 on the lower cross beam 12 is removed, so that the rolling steel pipe 4 drives the steel bent cap 5 to move on the lower cross beam 12, the position and the angle of the steel bent cap 5 are convenient to adjust, and the construction difficulty is reduced.
In some alternative embodiments: referring to fig. 1 and 7, the embodiment of the present application provides an integral hoisting structure of a steel cap beam that is not limited by a beam bottom space condition, the integral hoisting structure of the steel cap beam further includes screws 6 connecting two steel cap beams 5 together in a closed manner, ear plates 15 connecting the screws 6 are welded on two sides of the steel cap beam 5 respectively, and the screws 6 are connected to nuts after penetrating the ear plates 15 of the two steel cap beams 5. The chain block 7 is characterized by further comprising chain blocks 7 which connect the two steel cover beams 5 together, the chain blocks 7 are provided with two groups, the two groups of chain blocks 7 are respectively located on two sides of the two steel cover beams 5, one end of each chain block 7 is connected with one steel cover beam 5, and the other end of each chain block 7 is connected with the other steel cover beam 5.
When the two steel cover beams 5 are manufactured in a factory and then transported to the site, a forklift or a crane is used for placing the two steel cover beams on the cover beam bracket 2 to design positions, then the screw 6 penetrates through the lug plate 15 of the web plate on the outer side of the steel cover beam 5, the two steel cover beams 5 are locked by nuts, and the two steel cover beams 5 are connected into a whole to prepare for integral hoisting of the steel cover beam 5. After the two steel bent caps 5 are lifted to the pier top position of a pier 17, the screw 6 is removed, the left half steel bent cap 5 is horizontally moved to the right side by the inverted chain 7, the right half steel bent cap 5 is horizontally moved to the left side by the inverted chain 7, and after the left half steel bent cap 5 and the right half steel bent cap 5 are moved to the designed position, the left half steel bent cap 5 and the right half steel bent cap 5 are welded or bolted with each other and are implanted on the pier 17.
In some alternative embodiments: referring to fig. 1, the embodiment of the present application provides an integral hoisting structure of a steel cover beam that is not limited by a beam bottom space condition, where a hoisting unit 3 of the integral hoisting structure of a steel cover beam includes a winch (not shown in the figure) fixed on the ground, one end of a steel wire rope wound by the winch is connected with a cover beam bracket 2 after being wound to a pier top hanger 1, and the winch winds the steel wire rope to lift the cover beam bracket 2 to a set height. Fixed pulleys (not shown in the figure) for changing the hoisting direction of the steel wire rope are fixedly arranged on the pier top hanging bracket 1, and four fixed pulleys are arranged and are respectively fixed at two ends of the two upper cross beams 10. The four fixed pulleys are respectively wound with lifting ropes connected with the lower lifting lugs 14, the four lifting ropes are connected with steel wire ropes of a winch, and the winch winds the steel wire ropes to synchronously lift the bent cap bracket 2.
Principle of operation
The embodiment of the application provides an integral hoisting structure of a steel cover beam, which is not limited by the space condition of the bottom of the beam, and the integral hoisting structure of the steel cover beam is provided with a pier top hanger 1, wherein the pier top hanger 1 comprises two upper longitudinal beams 9 which are fixed on the top of a pier 17 and are parallel to each other and arranged at intervals, and two upper cross beams 10 which are positioned on two sides of the pier and are fixedly connected with the two upper longitudinal beams 9; the coping bracket 2 is positioned below the pier top hanging bracket 1, and the coping bracket 2 comprises two parallel lower longitudinal beams 13 arranged at intervals and two lower cross beams 12 which are positioned at two sides of a pier 17 and fixedly connected with the two lower longitudinal beams 13; and a hoisting unit 3, wherein the hoisting unit 3 is connected between the pier top hanging bracket 1 and the capping beam bracket 2, and the hoisting unit 3 is used for lifting the capping beam bracket 2 upwards to hoist the steel capping beam 5 on the capping beam bracket 2 to the pier top position of the pier 17.
Therefore, the integral hoisting structure of the steel cover beam fixes the pier top hanging bracket 1 at the pier top position of the pier 17, makes full use of the existing conditions of the pier, has low requirements on the operation space, and is not limited by the space conditions of the beam bottom. The steel bent cap 5 is assembled on the ground temporarily by the bent cap bracket 2 and then is hoisted integrally, so that the construction process of hoisting twice by using the traditional crane is optimized. And a hoisting unit 3 for hoisting the capping beam bracket 2 is arranged between the pier top hanger 1 and the capping beam bracket 2, and the hoisting unit 3 uses the pier top hanger 1 as a support to vertically hoist the capping beam bracket 2 upwards so as to hoist the steel capping beam 5 on the capping beam bracket 2 to the pier top position of a pier 17. The problem that large-scale equipment of lifting by crane is difficult to lift by crane in narrow and small space has been overcome to, this application steel bent cap integral hoisting structure falls with convenient, the input is few, convenient operation.
In the description of the present application, it should be noted that the terms "upper", "lower", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, which are only for convenience in describing the present application and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and operate, and thus, should not be construed as limiting the present application. Unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are intended to be inclusive and mean, for example, that they may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as the case may be.
It is noted that, in the present application, 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. Without further limitation, an element defined by the phrase "comprising a … …" does not exclude the presence of another identical element in a process, method, article, or apparatus that comprises the element.
The above description is merely exemplary of the present application and is presented to enable those skilled in the art to understand and practice the present application. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the application. Thus, the present application is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims (10)

1. The utility model provides a do not receive steel lid roof beam integral hoisting structure of beam bottom space condition restriction which characterized in that includes:
the pier top hanging bracket (1) comprises two upper longitudinal beams (9) which are fixed on the pier top of a pier (17) and are parallel to each other and arranged at intervals, and two upper cross beams (10) which are positioned on two sides of the pier (17) and fixedly connected with the two upper longitudinal beams (9);
the coping bracket (2) is positioned below the pier top hanging bracket (1), and the coping bracket (2) comprises two lower longitudinal beams (13) which are parallel to each other and arranged at intervals and two lower cross beams (12) which are positioned on two sides of a pier (17) and fixedly connected with the two lower longitudinal beams (13);
the pier top hoisting device comprises a hoisting unit (3), wherein the hoisting unit (3) is connected between a pier top hoisting frame (1) and a cover beam bracket (2), the hoisting unit (3) is lifted upwards, and the cover beam bracket (2) is used for hoisting a steel cover beam (5) on the cover beam bracket (2) to the pier top position of a pier (17).
2. The integral hoisting structure of the steel cover beam, which is not limited by the space condition of the beam bottom, of claim 1, wherein:
the lifting unit (3) is an electric block or a chain block which is respectively fixed at two ends of the two upper cross beams (10), the top of the electric block or the chain block is connected with the upper cross beams (10), and the bottom of the electric block or the chain block is connected with the lower longitudinal beam (13).
3. The integral hoisting structure of the steel cover beam, which is not limited by the space condition of the beam bottom, of claim 2, wherein:
the bottom at entablature (10) both ends all is fixed to be equipped with and hangs last lug (11) of establishing electric block or chain block, the top at longeron (13) both ends all is fixed to be equipped with and hangs lower lug (14) of establishing electric block or chain block down.
4. The integral hoisting structure of the steel cover beam, which is not limited by the space condition of the beam bottom, of claim 1, wherein:
the two upper longitudinal beams (9) are detachably connected with the two upper cross beams (10) through bolts, and the two lower longitudinal beams (13) are detachably connected with the two lower cross beams (12) through bolts.
5. The integral hoisting structure of the steel cover beam, which is not limited by the space condition of the beam bottom, of claim 1, wherein:
two the top at bottom end rail (12) both ends all is equipped with many and is the roll steel pipe (4) that the longitudinal bridge set up to the setting, steel bent cap (5) are located the top of roll steel pipe (4), two can dismantle on bottom end rail (12) to be connected with and fix stopper (8) on bottom end rail (12) with many roll steel pipe (4).
6. The integral hoisting structure of the steel cover beam, which is not limited by the space condition of the beam bottom, of claim 5, wherein:
dense concrete is injected into the rolling steel pipe (4).
7. The integral hoisting structure of the steel cover beam, which is not limited by the beam bottom space condition, as claimed in claim 1, wherein:
the steel bent cap is characterized by further comprising screws (6) which are connected with the two steel bent caps (5) in an involutory mode, lug plates (15) of the connecting screws (6) are welded on the two sides of the steel bent caps (5) respectively, and the screws (6) penetrate into the lug plates (15) of the two steel bent caps (5) and are connected with nuts.
8. The integral hoisting structure of the steel cover beam, which is not limited by the space condition of the beam bottom, of claim 1, wherein:
still include chain block (7) that link together two steel bent cap (5), chain block (7) are equipped with two sets ofly, and two sets of chain blocks (7) are located the both sides of two steel bent cap (5) respectively, the one end and one of them steel bent cap (5) of chain block (7) are connected, the other end and another steel bent cap (5) of chain block (7) are connected.
9. The integral hoisting structure of the steel cover beam, which is not limited by the space condition of the beam bottom, of claim 1, wherein:
the hoisting unit (3) comprises a winch fixed on the ground, one end of a steel wire rope wound by the winch is wound to the pier top hanging bracket (1) and then connected with the bent cap bracket (2), and the winch winds the steel wire rope to lift the bent cap bracket (2) to a set height.
10. The integral hoisting structure of the steel cover beam, which is not limited by the space condition of the beam bottom, of claim 9, wherein:
fixed pulleys for changing the hoisting direction of the steel wire rope are fixedly arranged on the pier top hanging bracket (1), the number of the fixed pulleys is four, and the four fixed pulleys are respectively fixed at two ends of the two upper cross beams (10).
CN202221498459.5U 2022-06-15 2022-06-15 Steel cover beam integral hoisting structure free of limitation of beam bottom space condition Active CN217579819U (en)

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Application Number Priority Date Filing Date Title
CN202221498459.5U CN217579819U (en) 2022-06-15 2022-06-15 Steel cover beam integral hoisting structure free of limitation of beam bottom space condition

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Application Number Priority Date Filing Date Title
CN202221498459.5U CN217579819U (en) 2022-06-15 2022-06-15 Steel cover beam integral hoisting structure free of limitation of beam bottom space condition

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CN217579819U true CN217579819U (en) 2022-10-14

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