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

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

An integral hoisting structure of steel cover beam not limited by the space conditions of the beam bottom

technical field

The present application relates to the technical field of reinforcement of single-column piers, and in particular, to an integral hoisting structure of a steel cover beam that is not limited by the space conditions of the beam bottom.

Background technique

The single-column pier continuous girder bridge in the middle pier has been widely used in urban bridges and expressway interchange ramps in the early days because of its small footprint and good vision. During use, it was found that with the continuous increase of traffic flow and vehicle load, there is a serious risk of overturning of the single-column pier bridge.

In order to solve this problem, the existing single-column pier bridges need to be reinforced. At present, the reinforcement method in which the original pier body is covered with steel pipe and connected to the steel cover beam is widely used.

Because the steel cover beam needs to surround the original bridge pier in the middle, the currently commonly used installation method is to divide the steel cover beam into two halves and make them in the factory, and then transport them to the site for hoisting with a crane. After that, it is welded into a whole on the top of the pier.

However, this installation method requires the use of large hoisting equipment, which is easily limited by the space under the bridge. When the space at the bottom of the beam is very small, the hoisting equipment cannot be used. In addition, the terrain at some piers is poor, making it difficult for large construction machinery to reach. Even if the mechanical equipment can be used, it is difficult to connect the two halves of the steel cover beams hoisted in blocks at high altitudes, resulting in inconvenient construction, large mechanical investment and high safety risks.

SUMMARY OF THE INVENTION

The embodiment of the present application provides an integral hoisting structure of steel cover beam that is not limited by the space conditions of the beam bottom, so as to solve the problem that when the single-column pier reinforces the steel cover beam in the related art, due to the limitation of the space at the bottom of the beam, large-scale hoisting mechanical equipment cannot be used, resulting in The construction is inconvenient, the mechanical investment is large, and the safety risk is high.

The embodiment of the present application provides an integral hoisting structure of a steel cover beam that is not limited by the space conditions of the beam bottom, including:

A pier top hanger, the pier top hanger includes two upper longitudinal beams fixed on the top of the pier pier that are parallel to each other and arranged at intervals, and two upper transverse beams located on both sides of the bridge pier and fixedly connected with the two upper longitudinal beams;

The cover beam bracket, the cover beam bracket is located below the pier top hanger, the cover beam bracket includes two lower longitudinal beams that are parallel to each other and arranged at intervals, and two lower longitudinal beams located on both sides of the pier and connected to the two lower longitudinal beams. Two lower beams fixedly connected by the beam;

A hoisting unit, the hoisting unit is connected between the pier ceiling hanger and the cover beam bracket, and the hoisting unit lifts the cover beam bracket upward to hoist the steel cover beam on the cover beam bracket to the pier top of the bridge pier Location.

In some embodiments: the hoisting unit is an electric hoist or a chain hoist respectively fixed at both ends of two upper beams, the top of the electric hoist or the chain hoist is connected to the upper beam, and the electric hoist or the chain hoist is connected to the upper beam. The bottom is connected to the lower rail.

In some embodiments: the bottoms of both ends of the upper beam are fixedly provided with upper lifting lugs for hanging electric hoists or chain hoists, and the tops of both ends of the lower longitudinal beam are fixedly provided with electric hoists or chain hoists. Lower lugs.

In some embodiments, the two upper longitudinal beams and the two upper transverse beams are detachably connected by bolts, and the two lower longitudinal beams and the two lower transverse beams are detachably connected by bolts.

In some embodiments: the tops of both ends of the two lower beams are provided with a plurality of rolling steel pipes arranged in the longitudinal bridge direction, the steel cover beams are located on the top of the rolling steel pipes, and the two lower beams are detachably connected There are limit blocks that fix a plurality of rolling steel pipes on the lower beam.

In some embodiments: the rolling steel pipe is filled with dense concrete.

In some embodiments: it also includes a screw rod for butt joint connection of the two steel cover beams, the two sides of the steel cover beam are respectively welded with lugs for connecting bolts, and the screw rod penetrates the two steel cover beams. behind the lug plate and connect the nut.

In some embodiments: it also includes an inverted chain connecting the two steel cover beams together, the inverted chain is provided with two groups, and the two groups of inverted chains are respectively located on both sides of the two steel cover beams. One end is connected with one of the steel cover beams, and the other end of the inverted chain is connected with the other steel cover beam.

In some embodiments: the hoisting unit includes a hoist fixed on the ground, one end of the wire rope wound by the hoist is wound to the pier ceiling hanger and then connected to the cover beam bracket, and the winch winds the wire rope to wind the cover beam The bracket is raised to the set height.

In some embodiments, fixed pulleys for changing the lifting direction of the wire rope are fixed on the pier ceiling hanger, the fixed pulleys are provided with four, and the four fixed pulleys are respectively fixed on both ends of the two upper beams.

The beneficial effects brought by the technical solution provided by this application include:

The embodiment of the present application provides an integral hoisting structure for steel cover beams that is not limited by the space conditions at the bottom of the beam. Since the overall hoisting structure for steel cover beams of the present application is provided with a pier top hanger, the pier top hanger includes a pier fixed on a bridge pier. Two upper longitudinal beams on the top that are parallel to each other and arranged at intervals, and two upper transverse beams located on both sides of the pier and fixedly connected with the two upper longitudinal beams; the cover beam bracket, the cover beam bracket is located below the pier ceiling hanger , the cover beam bracket includes two lower longitudinal beams parallel to each other and spaced apart, and two lower transverse beams located on both sides of the pier and fixedly connected with the two lower longitudinal beams; a hoisting unit connected to the pier ceiling Between the frame and the cover beam bracket, the hoisting unit is used to lift the cover beam bracket upward to lift the steel cover beam on the cover beam bracket to the top position of the pier pier.

Therefore, the steel cover beam integral hoisting structure of the present application fixes the pier top hanger at the pier top position of the bridge pier, makes full use of the existing conditions of the bridge pier, requires low operating space, and is not limited by the space conditions at the bottom of the beam. The steel cover beam is temporarily assembled on the ground by the cover beam bracket and then hoisted as a whole, which optimizes the construction process that requires two hoisting with the traditional crane. A hoisting unit for lifting the cover beam bracket is arranged between the pier ceiling hanger and the cover beam bracket. The steel cover beam is hoisted to the top of the bridge pier. The present application overcomes the problem that large-scale hoisting equipment is difficult to hoist in a narrow space, and the overall hoisting structure of the steel cover beam of the present application is convenient to use, less investment, and convenient to operate.

Description of drawings

In order to illustrate the technical solutions in the embodiments of the present application more clearly, the following briefly introduces the drawings that are used in the description of the embodiments. Obviously, the drawings in the following description are only some embodiments of the present application. For those of ordinary skill in the art, other drawings can also be obtained from these drawings without creative effort.

1 is a schematic structural diagram of an embodiment of the application;

Fig. 2 is the structural front view of the pier ceiling hanger according to the embodiment of the application;

3 is a top view of the structure of the pier ceiling hanger according to the embodiment of the present application;

4 is a front view of the structure of the cover beam bracket according to the embodiment of the application;

5 is a top view of the structure of a cover beam bracket according to an embodiment of the present application;

6 is a schematic structural diagram of a cross beam and a rolling steel pipe under an embodiment of the application;

FIG. 7 is a schematic structural diagram of a steel cover beam and a screw rod according to an embodiment of the present application.

Reference number:

1. Pier ceiling hanger; 2. Cover beam bracket; 3. Lifting unit; 4. Rolling steel pipe; 5. Steel cover beam; 6. Screw rod; 7. Inverted chain; 8. Limit block; 9. Upper longitudinal beam ; 10, the upper beam; 11, the upper lifting lug; 12, the lower beam; 13, the lower longitudinal beam; 14, the lower lifting lug; 15, the ear plate; 17, the bridge pier.

Detailed ways

In order to make the purposes, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments It is a part of the embodiments of this application, but not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative work shall fall within the protection scope of the present application.

The embodiment of the present application provides an integral hoisting structure of steel cover beam that is not limited by the space conditions of the beam bottom, which can solve the problem that when the single-column pier reinforces the steel cover beam in the related art, due to the limitation of the space at the bottom of the beam, large-scale lifting machinery cannot be used. , resulting in inconvenient construction, large investment in machinery, and high safety risks.

Referring to FIGS. 1 to 5 , an embodiment of the present application provides an integral hoisting structure for a steel cover beam that is not limited by the space conditions at the bottom of the beam, including:

The pier top hanger 1, the pier top hanger 1 includes two upper longitudinal beams 9 that are fixed on the top of the pier 17 in parallel and spaced apart from each other, and two upper longitudinal beams 9 located on both sides of the bridge pier 17 and fixedly connected to the two upper longitudinal beams 9. Two upper beams 10, two upper beams 10 and two upper longitudinal beams 9 together form a "well"-shaped structure. The upper longitudinal beam 9 and the upper transverse beam 10 can be made of I-beam or channel steel structure, the two upper transverse beams 10 are located at the bottom of the two upper longitudinal beams 9, and the two upper transverse beams 10 and the two upper longitudinal beams 9 are detachably connected by bolts, It is convenient for on-site construction and disassembly and transportation after use.

Cover beam bracket 2, the cover beam bracket 2 is located below the pier top hanger 1, the cover beam bracket 2 includes two lower longitudinal beams 13 parallel to each other and spaced apart, and located on both sides of the pier and connected to the two lower longitudinal beams 13. The lower longitudinal beams 13 are fixedly connected to two lower transverse beams 12, and the two lower transverse beams 12 and the two lower longitudinal beams 13 together form a "well"-shaped structure. The lower longitudinal beams 13 and the lower transverse beams 12 can be made of I-beam or channel steel structure. The two lower transverse beams 12 are located on top of the two lower longitudinal beams 13, and bolts are passed between the two lower transverse beams 12 and the two lower longitudinal beams 13. Detachable connection for easy on-site construction and disassembly and transportation after use.

The hoisting unit 3 is connected between the pier top hanger 1 and the cover beam bracket 2, and the lifting unit 3 lifts the cover beam bracket 2 upward to hoist the steel cover beam 5 on the cover beam bracket 2 to the The location of the top of pier 17. After the lifting unit 3 lifts the steel cover beam 5 on the cover beam bracket and the cover beam bracket 2 to the top position of the pier 17, it is convenient to fix the steel cover beam 5 on the top of the bridge pier 17, so that the steel cover beam 5 is about The main beam supporting the top of the pier 17.

The steel cover beam integral hoisting structure of the embodiment of the present application fixes the pier top hanger 1 at the pier top position of the bridge pier 17, makes full use of the existing conditions of the bridge pier, requires low operating space, and is not limited by the space conditions at the bottom of the beam. The steel cover beam 5 is temporarily assembled on the ground by the cover beam bracket 2 and then hoisted as a whole, which optimizes the construction process that requires two hoisting by using a traditional crane. Between the pier top hanger 1 and the cover beam bracket 2, a hoisting unit 3 for hoisting the cover beam bracket 2 is arranged. Lift the steel cover beam 5 on the cover beam bracket 2 to the pier top position of the bridge pier 17 . The present application overcomes the problem that large-scale hoisting equipment is difficult to hoist in a narrow space, and the overall hoisting structure of the steel cover beam of the present application is convenient to use, less investment, and convenient to operate.

In some optional embodiments: referring to FIG. 1 to FIG. 5 , the embodiments of the present application provide an integral hoisting structure of steel cover beam that is not limited by the space conditions of the beam bottom, and the hoisting unit of the integral hoisting structure of steel cover beam 3 is an electric hoist or chain hoist respectively fixed at both ends of the two upper beams 10 , the top of the electric hoist or the chain hoist is connected with the upper beam 10 , and the bottom of the electric hoist or the chain hoist is connected with the lower longitudinal beam 13 . The bottoms of both ends of the upper beam 10 are fixedly provided with upper lifting lugs 11 for hanging electric hoists or chain hoists, and the tops of both ends of the lower longitudinal beam 13 are fixedly provided with lower lifting lugs 14 for hanging electric hoists or chain hoists.

There are four electric hoists or chain hoists respectively, and the two ends of the four electric hoists or chain hoists are respectively hung on the upper lifting lugs 11 and the lower lifting lugs 14. The lugs 14 are used to raise and lower the cover beam bracket 2 . The electric hoist is used to lift and lower the cover beam bracket 2 in the construction site with power supply, so as to improve the construction efficiency of lifting and reduce the difficulty of work. In the construction site without power supply, use the chain hoist to lift and lower the cover beam bracket 2, which is convenient for on-site construction.

In some optional embodiments: as shown in FIG. 1 and FIG. 6 , the embodiments of the present application provide an integral hoisting structure of steel cover beams that is not limited by the space conditions of the beam bottom. The tops of both ends of the lower beam 12 are provided with a plurality of rolling steel pipes 4 arranged in the longitudinal bridge direction, and the steel cover beam 5 is located on the top of the rolling steel pipes 4 . Limit blocks 8 for fixing a plurality of rolling steel pipes 4 on the lower beams 12 are detachably connected to the two lower beams 12 . Dense concrete is injected into the rolling steel pipe 4 . The rolling steel pipe 4 is used for rollingly supporting the steel cover beam 5 , so that the steel cover beam 5 can move horizontally on the rolling steel pipe 4 and reduce the friction force between the steel cover beam 5 and the lower beam 12 .

The limit blocks 8 are fixed on both sides of the plurality of rolling steel pipes 4 , and are used to prevent the rolling steel pipes 4 from rolling on the lower cross beam 12 to cause safety accidents when the steel cover beam 5 is lifted. When the steel cover beam 5 is lifted to the pier top position of the bridge pier 17, the limit block 8 on the lower beam 12 is removed, so that the rolling steel pipe 4 drives the steel cover beam 5 to move on the lower beam 12, so as to facilitate the adjustment of the position of the steel cover beam 5 and angle, reducing the difficulty of construction.

In some optional embodiments: as shown in FIG. 1 and FIG. 7 , the embodiments of the present application provide an integral hoisting structure for steel cover beams that is not limited by the space conditions at the bottom of the beam, and the integral hoisting structure for steel cover beams further includes a The two pieces of steel cover beams 5 are connected together with the screw 6, and the two sides of the steel cover beam 5 are respectively welded with lugs 15 connecting the screw rods 6, and the screw 6 penetrates the two steel cover beams 5. connection nut. Also includes an inverted chain 7 connecting the two steel cover beams 5 together, the inverted chain 7 is provided with two groups, the two groups of inverted chains 7 are respectively located on both sides of the two steel cover beams 5, and one end of the inverted chain 7 is connected to one of the two. The steel cover beam 5 is connected, and the other end of the reverse chain 7 is connected with another piece of steel cover beam 5 .

When two pieces of steel cover beams 5 are made from the factory and transported to the site, they are placed on the cover beam bracket 2 by a forklift or crane, and then the screws 6 are passed through the lugs 15 of the outer web of the steel cover beams 5. After that, lock the two pieces of steel cover beams 5 as a whole by locking them with nuts, so as to prepare for the lifting of the steel cover beams 5 as a whole. When the two steel cover beams 5 are lifted to the top position of the bridge pier 17, the screw 6 is removed, the left half-side steel cover beam 5 is moved horizontally to the right by the reverse chain 7, and the right half-side steel cover beam 5 is moved horizontally by the reverse chain 7. Move horizontally to the left, and after moving to the design position, weld or bolt the left half of the steel cover beam 5 and the right half of the steel cover beam 5 to each other, and implant them on the bridge pier 17 .

In some optional embodiments: as shown in FIG. 1 , an embodiment of the present application provides an integral hoisting structure for steel cover beams that is not limited by the space conditions at the bottom of the beam, and the hoisting unit 3 of the integral hoisting structure for steel cover beams includes a fixed A winch on the ground (not shown in the figure), one end of the wire rope wound by the winch is wound to the pier ceiling hanger 1 and then connected to the cover beam bracket 2, and the winch winds up the wire rope to lift the cover beam bracket 2 to the set high. Fixed pulleys (not shown in the figure) for changing the hoisting direction of the wire rope are fixed on the pier top hanger 1, and there are four fixed pulleys, and the four fixed pulleys are respectively fixed on both ends of the two upper beams 10. The four fixed pulleys are respectively wound with suspending ropes connected to the lower lifting lugs 14 , and the four suspending ropes are connected with the wire ropes of the hoisting machine, and the hoisting machine winds up the wire ropes to synchronously lift the cover beam bracket 2 .

working principle

The embodiment of the present application provides an integral hoisting structure of a steel cover beam that is not limited by the space conditions at the bottom of the beam. Since the overall hoisting structure of the steel cover beam of the present application is provided with a pier top hanger 1, the pier top hanger 1 includes a On the top of the pier 17, two upper longitudinal beams 9 that are parallel to each other and spaced apart, and two upper transverse beams 10 that are located on both sides of the pier and are fixedly connected to the two upper longitudinal beams 9; cover beam bracket 2, the cover beam bracket 2 is located below the pier top hanger 1, and the cover beam bracket 2 includes two lower longitudinal beams 13 that are parallel to each other and spaced apart, and two lower longitudinal beams 13 located on both sides of the bridge pier 17 and fixedly connected to the two lower longitudinal beams 13. Cross beam 12; Lifting unit 3, which is connected between the pier ceiling hanger 1 and the cover beam bracket 2, the lifting unit 3 is to lift the cover beam bracket 2 upward to lift the steel cover beam on the cover beam bracket 2 5 Hoist to the top position of pier 17 of the bridge pier.

Therefore, the overall hoisting structure of the steel cover beam of the present application fixes the pier top hanger 1 at the pier top position of the bridge pier 17, makes full use of the existing conditions of the bridge pier, requires low operating space, and is not limited by the space conditions at the bottom of the beam. The steel cover beam 5 is temporarily assembled on the ground by the cover beam bracket 2 and then hoisted as a whole, which optimizes the construction process that requires two hoisting by using a traditional crane. Between the pier top hanger 1 and the cover beam bracket 2, a hoisting unit 3 for hoisting the cover beam bracket 2 is arranged. Lift the steel cover beam 5 on the cover beam bracket 2 to the pier top position of the bridge pier 17 . The present application overcomes the problem that large-scale hoisting equipment is difficult to hoist in a narrow space, and the overall hoisting structure of the steel cover beam of the present application is convenient to use, less investment, and convenient to operate.

In the description of this application, it should be noted that the orientation or positional relationship indicated by the terms "upper", "lower", etc. is based on the orientation or positional relationship shown in the accompanying drawings, and is only for the convenience of describing the application and simplifying the description, Rather than indicating or implying that the referred device or element must have a particular orientation, be constructed and operate in a particular orientation, it should not be construed as a limitation on the application. Unless otherwise expressly specified and limited, the terms "installed", "connected" and "connected" should be understood in a broad sense, for example, it may be a fixed connection, a detachable connection, or an integral connection; it may be a mechanical connection, It can also be an electrical connection; it can be a direct connection, an indirect connection through an intermediate medium, or an internal connection between two components. For those of ordinary skill in the art, the specific meanings of the above terms in this application can be understood according to specific situations.

It should be noted that, in this application, relational terms such as "first" and "second" are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply Any such actual relationship or sequence exists between these entities or operations. Moreover, the terms "comprising", "comprising" or any other variation thereof are intended to encompass a non-exclusive inclusion such that a process, method, article or device that includes a list of elements includes not only those elements, but also includes not explicitly listed or other elements inherent to such a process, method, article or apparatus. Without further limitation, an element qualified by the phrase "comprising a..." does not preclude the presence of additional identical elements in a process, method, article or apparatus that includes the element.

The above descriptions are only specific embodiments of the present application, so that those skilled in the art can understand or implement 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 implemented in other embodiments without departing from the spirit or scope of the present application. Therefore, this 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 claimed herein.

Claims (10)

1. a steel cover beam integral hoisting structure that is not limited by beam bottom space conditions, is characterized in that, comprises: A pier top hanger (1), the pier top hanger (1) includes two upper longitudinal beams (9) that are fixed on the pier top of a bridge pier (17) and are arranged in parallel and spaced apart from each other, and two upper longitudinal beams (9) located on the bridge pier (17) two upper beams (10) fixedly connected to the two upper longitudinal beams (9) on the side; A cover beam bracket (2), the cover beam bracket (2) is located below the pier top hanger (1), and the cover beam bracket (2) includes two lower longitudinal beams ( 13), and two lower transverse beams (12) located on both sides of the bridge pier (17) and fixedly connected with the two lower longitudinal beams (13); A hoisting unit (3) is connected between the pier top hanger (1) and the cover beam bracket (2), the lifting unit (3) is used to lift the cover beam bracket ( 2) To hoist the steel cover beam (5) on the cover beam bracket (2) to the pier top position of the bridge pier (17). 2. a kind of steel cover beam integral hoisting structure that is not limited by beam bottom space conditions as claimed in claim 1, is characterized in that: The hoisting unit (3) is an electric hoist or a chain hoist respectively fixed at both ends of the two upper beams (10), the top of the electric hoist or the chain hoist is connected with the upper beam (10), and the electric hoist or the hand chain hoist is connected to the upper beam (10). The bottom of the hoist is connected with the lower longitudinal beam (13). 3. a kind of steel cover beam integral hoisting structure that is not limited by beam bottom space conditions as claimed in claim 2, is characterized in that: The bottoms of both ends of the upper beam (10) are fixedly provided with upper lifting lugs (11) for hanging electric hoists or chain hoists, and the tops of both ends of the lower longitudinal beam (13) are fixedly provided with hanging electric hoists or manual hoists. Lower lifting lugs (14) of the hoist. 4. a kind of steel cover beam integral hoisting structure that is not limited by beam bottom space conditions as claimed in claim 1, is characterized in that: The two upper longitudinal beams (9) and the two upper transverse beams (10) are detachably connected by bolts, and the two lower longitudinal beams (13) and the two lower transverse beams (12) are detachably connected Removable connection via bolts. 5. a kind of steel cover beam integral hoisting structure that is not limited by beam bottom space conditions as claimed in claim 1, is characterized in that: The tops of both ends of the two lower beams (12) are provided with a plurality of rolling steel pipes (4) arranged in the longitudinal bridge direction, the steel cover beams (5) are located on the tops of the rolling steel pipes (4), and the two A limit block (8) for fixing a plurality of rolling steel pipes (4) on the lower beam (12) is detachably connected to the lower beam (12). 6. a kind of steel cover beam integral hoisting structure that is not limited by beam bottom space conditions as claimed in claim 5, is characterized in that: Dense concrete is injected into the rolling steel pipe (4). 7. a kind of steel cover beam integral hoisting structure not limited by beam bottom space conditions as claimed in claim 1, is characterized in that: It also includes a screw rod (6) for connecting the two steel cover beams (5) in butt joints, and the two sides of the steel cover beam (5) are respectively welded with lugs (15) connecting the screw rods (6). The screw rod (6) penetrates the lugs (15) of the two steel cover beams (5) and is connected with the nut. 8. a kind of steel cover beam integral hoisting structure that is not limited by beam bottom space conditions as claimed in claim 1, is characterized in that: Also includes an inverted chain (7) connecting the two steel cover beams (5) together, the inverted chain (7) is provided with two groups, and the two groups of inverted chains (7) are respectively located on the two steel cover beams (5) One end of the inverted chain (7) is connected with one of the steel cover beams (5), and the other end of the inverted chain (7) is connected with the other steel cover beam (5). 9. a kind of steel cover beam integral hoisting structure that is not limited by beam bottom space conditions as claimed in claim 1, is characterized in that: The hoisting unit (3) includes a hoist fixed on the ground, one end of the wire rope wound by the hoist is wound to the pier top hanger (1) and then connected to the cover beam bracket (2), and the hoist winds the wire rope to Raise the cover beam bracket (2) to the set height. 10. A kind of steel cover beam integral hoisting structure that is not limited by beam bottom space conditions as claimed in claim 9, it is characterized in that: The pier top hanger (1) is fixedly provided with fixed pulleys for changing the lifting direction of the wire rope, the fixed pulleys are provided with four, and the four fixed pulleys are respectively fixed on both ends of the two upper beams (10).

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