CN118668956A - Single-layer net cover structure reinforcement transferring device and reinforcement construction method - Google Patents

Abstract

The invention discloses a single-layer net cover structure reinforcement transferring device and a reinforcement construction method. The technical field that relates to steel construction reinforcement, move fortune device including encircle set up in the slip track of net lid structure bottom week side and assemble the truss, assemble the truss and be the arch truss structure, and assemble the both ends of truss and connect in the slip track respectively, assemble the truss and include many main chords and be used for connecting the connecting rod piece of many main chords; the assembling truss is provided with a moving assembly, the moving assembly comprises a driving rail and a plurality of sliding pieces, the driving rail is arranged along the through length of part of the main chord member, the sliding pieces slide on the driving rail, and driving devices for driving the sliding pieces to move along the driving rail are arranged at two ends of the assembling truss. The invention can conveniently transport the reinforcement to any area above the single-layer net cover structure, and a layer of net frame structure is additionally arranged above the single-layer net cover reinforcement structure, thereby realizing the reinforcement of the single-layer net cover structure; in the reinforcement construction process, the use of lifting equipment can be avoided.

Description

Single-layer net cover structure reinforcement transferring device and reinforcement construction method

Technical Field

The application belongs to the field of steel structure reinforcement, and particularly relates to a single-layer net cover structure reinforcement transferring device and a reinforcement construction method.

Background

Along with the development of the building industry, the design of the appearance of the building is more and more diversified, the demand for the appearance of the building is also more and more high, and the beautiful appearance of the building can improve the image of the city and be used as a landmark building or cultural symbol of the city. The steel structure has the characteristics of strong plasticity, light volume and high strength, and is widely applied to the construction of special-shaped structures.

The urban land is tense, so that underground space is largely adopted, more and more underground shops and underground channels are built and formed, as shown in fig. 1, for some underground space, round skylights are arranged on the ground, and arched single-layer net cover structures are arranged at the skylights, so that on one hand, the attractiveness of a building is improved, and meanwhile, the lighting of the underground space is better. In addition to the underground space, in order to increase indoor lighting effect, some ground markets also can be provided with round skylights on the top layer, and a net cover structure is arranged to increase the supporting effect of the top surface.

Along with the long-term use of the building, or extremely bad weather, or unexpected strong load damage such as earthquake, the building structure is easy to damage, and in order to ensure the safe use of the building, the arch single-layer net cover structure needs to be reinforced and overhauled. The reinforcement measures can be to erect a frame body from the inside of the building, overhaul each component of the arched single-layer net cover and replace the component so as to realize reinforcement, and the normal use of the inside of the building can be influenced by the mode; or the constructors are brought to the upper part of the building structure by utilizing the crane from the outside of the single-layer net cover, so that maintenance and reinforcement are realized, but the structure is seriously damaged, more reinforcing members are required to be replaced, or when all reinforcing members are required to be replaced, a plurality of cranes are required to realize the transportation and hoisting requirements of the reinforcing members, the construction cost is high, and the bearing capacity of a construction site is also required to be high; and still need a plurality of workman cooperation to move fortune to reinforcement member, constructor need the handling to skylight net lid structure region, and constructor is more, and skylight net lid structure's bearing capacity is limited, exists great security risk.

Disclosure of Invention

The application provides a single-layer net cover structure reinforcement transferring device and a reinforcement construction method aiming at the problems in the prior art, wherein the transferring device can conveniently transfer the reinforcement to any area above the single-layer net cover structure, and a layer of net frame structure is additionally arranged above the single-layer net cover reinforcement structure, so that the reinforcement of the single-layer net cover structure is realized; in the reinforcement construction process, the use of lifting equipment can be avoided.

In order to achieve the technical aim, the invention provides a single-layer net cover structure reinforcement transferring device, which is used for transferring reinforcement for reinforcing a single-layer net cover reinforcement framework, wherein the reinforcement transferring device comprises a sliding rail, an arched spliced truss and a transferring assembly, wherein the sliding rail is arranged around the bottom of the net cover structure, the arched spliced truss is erected above the net cover structure, the transferring assembly is arranged below the spliced truss, two ends of the spliced truss are respectively connected with the sliding rail in a sliding manner through a fixed base, and the fixed base drives the spliced truss to move around the sliding rail under the action of a pushing mechanism and fix the spliced truss through a fixing mechanism after the spliced truss moves in place;

The spliced truss comprises a plurality of main chords and connecting rods used for connecting the plurality of main chords, and the plurality of connecting rods are detachably spliced between two adjacent main chords;

The moving assembly comprises at least two driving rails arranged at the bottom of the assembling truss and a plurality of second sliding blocks slidably arranged on each driving rail, the driving rails are arranged in a through length mode along the length direction of the assembling truss, the second sliding blocks arranged on the same driving rail are connected with each other, and driving devices for driving the second sliding blocks to move along the driving rails are arranged at two ends of the assembling truss; and each second sliding block is provided with a winding mechanism, and each winding mechanism is connected with a lifting rope for fixing the reinforcing member.

The invention further adopts the technical scheme that: the main chords are arc-shaped rod body structures matched with the arc-shaped spliced truss radian, a plurality of spliced balls are uniformly arranged on each main chord along the length direction at intervals, a plurality of plug holes are formed in each spliced ball, and two ends of each connecting rod piece are respectively plugged into the spliced balls of different main chords.

The invention has the preferable technical scheme that: the main chord comprises two lower chords and an upper chord positioned between the two lower chords, and the two lower chords are positioned on the same arc-shaped surface; a driving track is arranged on the bottom of each lower chord member in a through length manner; the moving assembly further comprises an assembling rail which is assembled by a plurality of assembling units, the assembling rail is arranged between the two driving rails, and the assembling rail is fixed on a connecting rod piece at the bottom of the assembling truss through a plurality of clamping and fixing mechanisms; the second sliding blocks are correspondingly arranged on the assembling track, and the second sliding blocks on the assembling track are connected or not connected with each other, and the connecting mode of the second sliding blocks on the assembling track is the same as that of the second sliding blocks on the driving track.

The invention has the preferable technical scheme that: the pushing mechanism comprises two groups of hydraulic jacking devices, and the two groups of pushing mechanisms are respectively arranged near the two fixed bases and used for pushing the two fixed bases to move along the sliding track towards the same direction; the connecting rod piece comprises a base part and an extension part, and the extension part is in threaded connection with the base part.

The invention has the preferable technical scheme that: the sliding rail comprises an inner rail and an outer rail, and the bottom of the fixed base is simultaneously connected with the inner rail and the outer rail in a sliding manner through a plurality of groups of first sliding blocks; and two ends of the upper chord member and the two lower chord members are respectively connected with the fixed base.

The invention has the preferable technical scheme that: each assembly unit is arranged on the corresponding connecting rod piece through a group of clamping and fixing mechanisms, and the clamping and fixing mechanisms are positioned at the splicing parts of two adjacent assembly units; the clamping and fixing mechanism comprises a fixed block fixed on the connecting rod piece and a clamping block arranged on the connecting rod piece in a sliding manner, an adjusting rod is connected between the fixed block and the clamping block in a threaded manner, each spliced unit is clamped and fixed between the fixed block and the clamping block, the adjusting rod is positioned at the bottom of the spliced unit, the spliced unit is clamped through the fixed block and the clamping block, and then the adjusting rod is rotated to adjust the distance between the clamping block and the fixed block and fixedly clamp the spliced unit.

The invention has the preferable technical scheme that: the second sliding blocks on the same track are positioned on the same arc line, the second sliding blocks on the same arc line are connected through cables, the driving device comprises two groups of winches arranged at two ends of each main chord member, two ends of each cable on each main chord member are respectively wound on the corresponding winches, and the two groups of winches control the cables on each main chord member to pull the second sliding blocks to move simultaneously.

The invention has the preferable technical scheme that: the fixed base comprises a first base plate used for connecting the lower chord and a second base plate used for connecting the upper chord; arc-shaped sliding grooves are formed in the surfaces of the first base plate and the second base plate; the two ends of each upper chord member and each lower chord member are respectively provided with an arc-shaped mounting plate matched with the arc-shaped sliding grooves in a sliding manner, and the arc-shaped mounting plates are fixedly connected with the corresponding base plates through locking bolts.

In order to achieve the technical purpose, the invention provides a reinforcement construction method of a single-layer net cover structure, which is characterized by comprising the following steps of: the reinforcing construction method uses the single-layer net cover structure reinforcing member transporting device as set forth in any one of claims 1 to 8 to hoist reinforcing members, and comprises the following specific construction steps:

S1: paving a sliding rail on the peripheral side of the net cover structure, installing an assembled truss on the sliding rail, arranging a moving assembly on the assembled truss, pushing the assembled truss to an installation position through a pushing mechanism, and fixing bases at two ends of the assembled truss on the ground through anchor rods;

S2: connecting the reinforcing members to the lifting ropes, wherein at least three lifting points of each reinforcing member are arranged, the lifting points are respectively connected with different lifting ropes, and at least three lifting points are ensured to be not on the same track;

S3: after the driving device is used for controlling the transporting assembly to drive the reinforcing member to move to a reinforcing point along the spliced truss, the reinforcing member is lowered above the net cover structure by controlling the rolling mechanism, and then reinforcing installation of the reinforcing member and the net cover structure is carried out;

s4: after the construction of the reinforcement member in the coverage area of the spliced truss is completed, the spliced truss is driven by a pushing mechanism to rotate by 8-10 degrees along the sliding track, and the steps S2-S3 are continuously repeated until the whole net cover structure is completed by covering and reinforcing, and finally, a layer of reinforcement net cover structure is constructed above the original single-layer net cover structure, so that a double-layer net frame structure is formed.

The invention further adopts the technical scheme that: after the slip track is paved in the step S1, the assembly truss is installed as follows: the main chord member is transported and horizontally paved on the periphery of the net cover structure, a plurality of jacking devices are arranged between the main chord member and the ground, guys are arranged on the opposite sides, the main chord member is driven to rotate to a vertical state by the jacking devices and the guys, the main chord member is fixed with the fixed base, and then connecting rods and splicing rails are sequentially arranged along the main chord member until a spliced truss is formed; in the step S2, at least three hanging points of each reinforcing member are respectively connected with different driving tracks and splicing tracks.

The application has at least one of the following beneficial effects:

(1) The moving device can be used for arranging the assembling truss above the single-layer net cover structure, and driving the second sliding block to move by utilizing the driving device, so that the reinforcing member is driven to move along the assembling truss, and the reinforcing member can be transported above the single-layer net cover structure; the pushing mechanism is used for driving the spliced truss to rotate around the sliding rail, so that the spliced truss covers any position above the single-layer net cover structure, and the transportation of the reinforcing member is realized; on one hand, the device occupies small space and does not influence the normal use of the building; in addition, the device is operated outside the single-layer net cover structure, large mechanical approach is not needed, and the influence on the structural stability of the building can be reduced.

(2) According to the application, the main chord member is rotated to the vertical position through the jacking device and the inhaul cable, the connecting rod piece is directly assembled on the main chord member, and meanwhile, the rotation of the assembled truss is realized through the transporting assembly, so that large-scale instrument approach construction is not required; meanwhile, when the reinforcing member is transported and installed, the whole area of the single-layer net cover structure can be covered only by assembling the truss, so that the participation of large-scale machinery is reduced, the influence on the reinforcing construction by the surrounding construction environment is reduced, and the application range of the construction method is wider;

(3) The assembled truss comprises the two lower chords and the upper chord member, so that a stable triangular structure is formed, and meanwhile, the second sliding blocks are arranged on the connecting rod pieces between the two lower chords and the two lower chords, so that each reinforcing member can be provided with at least three lifting points during transportation, and the lifting of the reinforcing member is more stable and safer.

Drawings

FIG. 1 is a schematic view of the present invention with a slip track mounted around the periphery of a single layer net cover structure;

FIG. 2 is a schematic view of the overall structure of the assembled truss of the present invention after it is installed over a single layer of net cover structure;

FIG. 3 is a schematic view of the overall structure of the assembled truss of the present invention;

FIG. 4 is a schematic view of the structure of the fixing base of the present invention;

FIG. 5 is a schematic view of a partial structure of a fabricated truss showing a transfer assembly;

fig. 6 is a schematic view of the construction effect of the present invention when the main chord is rotated.

In the figure: 1. a slip rail; 100. an inner rail; 101. an outer rail; 2. assembling a truss; 200. an upper chord; 201. a lower chord; 202. a connecting rod piece; 203. assembling the balls; 204. an arc-shaped mounting plate; 3. a transfer assembly; 300. a drive rail; 302. a second slider; 303. assembling a rail; 30300. assembling units; 304. a cable; 305. a hanging rope; 4. a pushing mechanism; 5. a fixed base; 500. a first slider; 501. a first base plate; 503. an arc chute; 502. a second base plate; 6. a winding mechanism; 7. a net cover structure; 8. a reinforcing member; 9. a clamping and fixing mechanism; 900. a fixed block; 901. a clamping block; 902. an adjusting rod; 10. a guy cable; 11. and a jacking device.

Detailed Description

The application is described in further detail below with reference to fig. 1-6.

The application aims to provide a reinforcing device and a reinforcing construction method for reinforcing a single-layer net cover structure, and the reinforcing device and the reinforcing construction method are described in detail by taking a construction working condition in the background technology as an example, but are not only suitable for the construction working condition in the background technology, and can be used for constructing a semicircular cover-shaped single-layer net cover structure so as to realize reinforcement.

The invention provides a single-layer net cover structure reinforcement transferring device and a construction reinforcing method, wherein the main core is that a plurality of reinforcing members are additionally arranged above a single-layer net cover structure, so that the single-layer net cover structure can form a double-layer net frame structure, the stable shape of the structure is improved, and the reinforcement of the single-layer net cover is realized; in the whole construction process, the single-layer net cover structure reinforcement transferring device is mainly used for transferring the reinforcement, so that the plurality of lifting devices are prevented from being used for lifting and installing the reinforcement, and constructors are reduced.

The reinforcement transportation device used in the embodiment is specifically shown in fig. 1 and 2, and comprises a sliding rail 1, an assembling truss 2 and a pushing mechanism 4, wherein the sliding rail 1 is laid around the periphery of the bottom of a net cover structure 7, the assembling truss 2 is installed on the sliding rail 1, the pushing mechanism 4 is used for pushing the assembling truss 2 to rotate around the sliding rail 1, the assembling truss 2 is erected above the net cover structure 7, two ends of the assembling truss 2 are respectively connected with the sliding rail 1 in a sliding mode through fixing bases 5, and the supporting of the assembling truss 2 is achieved through two groups of fixing bases 5. The sliding rail 1 comprises an inner rail 100 and an outer rail 101 which are concentrically arranged with the net cover structure 7, and the cross sections of the inner rail 100 and the outer rail 101 can be of I-steel type or can be of other shapes. The fixed base 5 is simultaneously in sliding connection with the inner rail 100 and the outer rail 101, and the bottom of the specific fixed base 5 can be rotationally provided with two arc-shaped first sliding blocks 500, and the two first sliding blocks 500 are respectively in sliding clamping connection with the inner rail 100 and the outer rail 101. The pushing mechanism 4 may be an existing hydraulic jacking device, and is provided with two groups, the two groups of pushing mechanisms 4 are respectively used for pushing the fixed bases 5 at two ends of the assembled truss 2, the two groups of pushing mechanisms 4 are respectively installed near the two fixed bases 5 and are used for pushing the two fixed bases 5 to move along the sliding track 1 towards the same direction, so that the assembled truss 2 moves around the sliding track 1, and the assembled truss 2 can cover the whole net cover structural area. When the single pushing travel of the pushing mechanism 4 reaches the maximum travel, the position of the pushing mechanism 4 can be moved, the truss 2 assembled under the general condition can be stopped after rotating by about 10 degrees along the sliding track 1, the reinforcement is hoisted, and the reinforcement with one axis is hoisted for about one or two days, so that the pushing mechanism 4 can be shifted. After assembling truss 2 and moving in place, need fixed base 5 and ground to realize assembling truss 2's steady support, avoid assembling truss 2 and appear the phenomenon that shifts at handling in-process, concretely, fixed base 5 week side rotates and is provided with many anchor poles, with the free end of many anchor poles through high strength bolt and ground realization simultaneously fixed can. After the reinforcement members 8 of the coverage area of the spliced truss 2 are all installed, the fixation of the anchor rods and the ground can be canceled, and the pushing mechanism 4 is utilized to push the framework members to slide along the sliding rail 1, so that the coverage area of the spliced truss 2 is adjusted until all the areas outside the single-layer net cover are reinforced, and a double-layer net frame structure is formed.

In the stiffener transporting device of the embodiment, as shown in fig. 3, the spliced truss 2 is an arc truss formed by splicing multiple rods, and specifically includes three main chords arranged in an arc shape and connecting rods 203 connected between the three main chords, the radians of the three main chords are the same, the three main chords include an upper chord 200 and two lower chords 201, the two lower chords 201 are arranged on the same arc surface, the upper chord 200 is located above the lower chords 201, the connecting rods 202 are used for connecting any two adjacent main chords, the connecting rods 202 are detachably connected with the main chords, and the spliced truss 2 is in an arc truss structure after the connecting rods 202 are installed. The upper chord member 200 and the lower chord member 201 are respectively provided with a plurality of assembling balls 203 at uniform intervals along the length direction, the assembling balls 203 and the main chord member are integrally manufactured and formed, and each assembling ball 203 is provided with a plurality of inserting holes for inserting the connecting rod member 202. The connection rod 202 may be configured as a telescoping rod including a base portion and an extension portion, with the base portion and the extension portion being threadably coupled such that the length of the connection rod 202 is telescoping. When the spliced truss 2 is installed, the plurality of main chords are moved to the set positions, and after the connecting rod piece 202 is installed among the plurality of main chords, the extension part is rotated, so that the two ends of the connecting rod piece 202 are spliced into the splicing holes, and the installation of the connecting rod piece 202 can be realized.

In the stiffener transporting device of the embodiment, referring to fig. 3 and 5, the fixed base 5 includes a first base plate 501 for connecting the lower chord 201 and a second base plate 502 for connecting the upper chord 200, and arc-shaped sliding grooves 503 are formed on the side walls of the first base plate 501 and the second base plate 502 facing the splicing truss 2. Both ends of the upper chord member 200 and the lower chord member 201 are hinged with arc-shaped mounting plates 204 matched with the arc-shaped sliding grooves 503, the arc-shaped mounting plates 204 are slidably arranged in the arc-shaped sliding grooves 503, and after each main chord member moves to a specified position, base plates corresponding to the arc-shaped mounting plates 204 can be fixedly connected through high-strength bolts.

In the stiffener transferring device in the embodiment, as shown in fig. 2 and 3, a transferring component 3 is installed on the assembled truss 2, and the transferring component 3 can drive a reinforcing member 8 to move along the assembled truss 2, so that the stiffener transferring device only needs to drive the reinforcing member 8 to move along the assembled truss 2 and drive the assembled truss 2 to slide along the sliding track 1, and can cover all areas above the single-layer net cover structure 7, thereby conveying the reinforcing member 8 to each area above the single-layer net cover structure 7, and realizing the reinforcement of the single-layer net cover structure 7. As shown in fig. 3 and fig. 4, the transporting assembly 3 includes a driving rail 300 that is disposed along the length direction of the lower chords 201 and an assembling rail 303 that is disposed between the two lower chords 201, the bottoms of the two lower chords 201 are respectively provided with the driving rail 300, the driving rail 300 and the lower chords 201 are integrally formed, and the width of one end of the driving rail 300 far away from the lower chords 201 is widened, so that the driving rail 300 is inverted T-shaped; the splicing rail 303 is detachably connected with the connecting rod piece 202 between the two lower chords 201; a plurality of second slider blocks 302 are slidably mounted on both the drive rail 300 and the splice rail 303. The second sliding blocks 302 under the same track are fixedly connected through a cable 304, the connection of the second sliding blocks 302 is realized through the cable 304, driving devices are arranged at two ends of the cable 304, the driving devices can be specifically winders, winders are arranged at two ends of the cable 304, the two ends of the cable 304 are respectively wound on reels of the two winders, the second sliding blocks 302 can be driven to move by the winders at two ends to drive the cable 304, specifically, one winded end of the cable is winded, the winded at the other end of the cable is paid off, the cable 304 moves towards the winded end, and therefore the second sliding blocks 302 are driven to move along the assembled track 303 or the driving track 300; the driving devices at the end parts of the three tracks work synchronously, so that the sliding assemblies 302 on the three tracks are driven to move towards the same direction at the same time, and the moving speeds are the same.

Referring to fig. 3 and fig. 4, in the embodiment, each second sliding block 302 is provided with a winding mechanism 6, each winding mechanism 6 is connected with a lifting rope 305 for fixing the reinforcing member 8, the winding mechanism 6 has the same structure as the electric hoist, and a remote control can be set to realize the control of the winding mechanism 6, and a specific remote control method is the prior art and is not repeated herein; by driving the winding mechanism 6, the extension and storage of the hoist rope 305 can be controlled. When the truss 2 is assembled to transport the reinforcing member 8 by using the application, hanging points are arranged according to the shape and structure of the reinforcing member 8, each hanging rope 305 is connected with one hanging point, generally, at least three hanging points are arranged on the reinforcing member 8, and the three hanging points are respectively connected with the hanging ropes 305 on the two lower chords 201 and the hanging ropes 305 on the assembling track 303, so that the stable transportation of the reinforcing member 8 is realized.

In the stiffener transporting device in the embodiment, as shown in fig. 4, the assembly rail 303 includes a plurality of assembly units, when the assembly rail 303 is installed, each assembly unit is installed on the corresponding connection rod 202 through the clamping and fixing mechanism 9, and the clamping and fixing mechanism is located at the splicing position of two adjacent assembly units. The clamping and fixing mechanism 9 comprises a fixing block 900 fixed on the connecting rod 202 and a clamping block 901 arranged on the connecting rod 202 in a sliding manner, an adjusting rod 902 is connected between the fixing block 900 and the clamping block 901 in a threaded manner, each spliced unit is clamped and fixed between the fixing block 900 and the clamping block 901, the adjusting rod 902 is positioned at the bottom of the spliced unit, the spliced unit is clamped through the fixing block 900 and the clamping block 901, and then the distance between the clamping block 901 and the fixing block 900 can be adjusted by rotating the adjusting rod 902, so that the spliced unit is fixedly clamped.

The installation process of the reinforcement member transporting device is as follows: the main chord member 21 is transported to the periphery side of the single-layer net cover structure 7 to be horizontally paved, and the main chord member 21 is arc-shaped and can be arranged outside the single-layer net cover structure 7 in a surrounding manner; after the jacking device 11 and the inhaul cable 10 are installed, the arc-shaped mounting plates 204 on two sides of each main chord member 21 are inserted into the arc-shaped sliding grooves 503, and the jacking device 11 and the inhaul cable 10 drive the main chord members to rotate at the moment, so that the main chord members 21 are driven to rotate to a vertical state, the installation of the main chord members is realized, the construction device is simple, the occupied space is small, and the requirement on the surrounding construction environment is low; when the main chord member is rotated, the arc-shaped mounting plate 204 slides along the arc-shaped sliding groove 503 at the same time, and after the main chord member 21 is rotated to the design position, the arc-shaped mounting plate 204 can be fixed to the first base plate 501 and the second base plate 502. After the primary chord is secured, the constructor can install the connecting rod 202 on the primary chord. After the assembling truss 2 is installed, assembling rails 303 are installed between the connecting rods 202, and second sliding blocks 302 are installed on the driving rails 300 and the assembling rails 303, so that the reinforcing member 8 can be moved after the second sliding blocks 302 are installed.

The embodiment provides a single-layer net cover structure reinforcement construction method, which specifically uses the reinforcement transporting device to carry out construction and comprises the following construction steps:

Step one: a sliding rail 1 is paved and installed on the peripheral side of the net cover structure 7, and an assembling truss 2 is installed after the sliding rail 1 is paved; firstly, installing main chords, transporting the main chords and horizontally paving the main chords on the periphery of a net cover structure 7, installing a fixed base 5 on a sliding rail 1, erecting each main chord above the net cover structure 7 by arranging a plurality of stay ropes 10 and a plurality of jacking devices 11 in a matched mode, respectively installing two ends of each main chord on the corresponding fixed base 5, and after the three main chords are installed and fixed, sequentially installing a connecting rod piece 202 and an assembling rail 303 along the main chords until an assembling truss 2 is formed; the connection rod piece 202 and the assembly rail 303 can be installed by being lifted to the main chord by a lifting mechanism, and 1-2 persons are lifted each time to assemble, so that the condition that the bearing capacity is insufficient due to too many constructors is avoided; the spliced truss 2 can be integrally installed after being spliced on a construction site, and the integral installation process is similar to the installation process of a single main chord. Taking one lower chord 201 as an example, as shown in fig. 2 and 6, a plurality of jacking devices 11 are installed between the lower chord 201 and the ground, the jacking devices 11 can be specifically hydraulic jacks, guy ropes 10 are installed on opposite sides of the lower chord 201, a winch is arranged at the other end of each guy rope 10 to stretch the corresponding guy rope 10, and the lower chord 201 is fixed with a fixed base 5 after being driven to rotate to a vertical state by the jacking devices 11 and the guy ropes 10; when the three main chords are assembled and then installed, after the three main chords are integrally moved in place, the ends of the three main chords are fixedly connected with the fixed base 5 respectively.

Step two: connecting the reinforcing members 8 to the lifting ropes 305, wherein at least three lifting points of each reinforcing member 8 are arranged, and the three lifting points are respectively connected with the two main chords 21 and the splicing rail 303;

step three: the cable 304 is driven by the driving device to move until the reinforcing member 8 is moved to a reinforcing point, the reinforcing member 8 is lifted to the lower side of the spliced truss 2 by the winding mechanism 6, constructors stand above the single-layer net cover structure 7, when the reinforcing member 8 is moved to the upper side of a region to be reinforced, the constructors can realize the installation of the reinforcing member 8 and the original net cover structure by controlling the winding mechanism 6 and lowering the reinforcing member 8 above the single-layer net cover structure 7, the specific installation process of the reinforcing member 8 can be realized by the constructors for assisting in installation, the constructors stand on the original single-layer net cover structure 7 for splicing and fixing the reinforcing member 8, and the connection of the reinforcing member and the original net cover structure is a conventional choice in the building field, different connection modes can be selected according to the structural bearing capacity requirement, the reinforcing member is welded to the original net cover structure, and a connecting piece is also arranged at the original net cover structure, and the reinforcing member and the original net cover structure are connected through the connecting piece, so that the overall principle can meet the structural stress calculation.

Step four: after the whole construction of the reinforcement members 8 in the coverage area of the spliced truss 2 is completed, the spliced truss 2 is driven to rotate along the sliding track 1 by utilizing the pushing mechanism 4, and the steps two to three are continuously repeated until the whole net cover structure 7 is completed by covering and reinforcing, and finally a double-layer net frame structure is formed.

The application utilizes the spliced truss 2 to transport the reinforcing members 8, on one hand, the simultaneous movement and installation of a plurality of reinforcing members 8 can be realized, and the construction efficiency is improved; on the other hand, the assembled truss 2 of the application occupies small space, reduces the use of large hoisting machinery, is more economical and has less influence on the normal use of a building.

In addition, under the working condition of the background technology of the application, when the reinforcing member 8 is installed, the reinforcing member 8 can be directly transported to the upper part of the single-layer net cover to be fixed on the peripheral area of the single-layer net cover on the peripheral side ground, and the reinforcing member 8 is symmetrically installed from the edge to the middle area.

The above embodiments are not intended to limit the scope of the present application, so: all equivalent changes in structure, shape and principle of the application should be covered in the scope of protection of the application.

Claims (10)

1. The utility model provides a single-layer net lid structure reinforcement moves fortune device for carry out reinforcement (8) of strengthening to single-layer net lid reinforcement framework (7) and move fortune, its characterized in that: the reinforcement moving device comprises a sliding rail (1) which is arranged around the bottom of the net cover structure (7), an arch-shaped spliced truss (2) which is erected above the net cover structure (7) and a moving assembly (3) which is arranged below the spliced truss (2), wherein two ends of the spliced truss (2) are respectively connected with the sliding rail (1) in a sliding manner through a fixed base (5), and the fixed base (5) drives the spliced truss (2) Rao Huayi rail (1) to move under the action of a pushing mechanism (4) and fix the spliced truss (2) through the fixed mechanism after the spliced truss moves in place;

The spliced truss (2) comprises a plurality of main chords and connecting rods (202) for connecting the plurality of main chords, and the plurality of connecting rods (202) are detachably spliced between two adjacent main chords;

The moving assembly (3) comprises at least two driving rails (300) arranged at the bottom of the assembling truss (2) and a plurality of second sliding blocks (302) slidably arranged on each driving rail (300), wherein the driving rails (300) are arranged along the length direction of the assembling truss (2) in a through length way, the second sliding blocks (302) arranged on the same driving rail (300) are connected with each other, and driving devices for driving the second sliding blocks (302) to move along the driving rails (300) are arranged at two ends of the assembling truss (2); and a winding mechanism (6) is arranged on each second sliding block (302), and a lifting rope (305) for fixing the reinforcing member (8) is connected to each winding mechanism (6).

2. A single layer net cover structural reinforcement transfer device as set forth in claim 1, wherein: the main chords are arc-shaped rod body structures matched with the radian of the arched spliced truss (2), a plurality of spliced balls (203) are uniformly arranged on each main chord along the length direction at intervals, a plurality of inserting holes are formed in each spliced ball (203), and two ends of each connecting rod piece (202) are inserted into the spliced balls (203) of different main chords (21) respectively.

3. A single layer net cover structural reinforcement transfer device as claimed in claim 1 or 2, wherein: the main chord comprises two lower chords (201) and an upper chord (200) positioned between the two lower chords (201), and the two lower chords (201) are positioned on the same arc-shaped surface; a driving track (300) is arranged on the bottom of each lower chord member (201) in a through length mode; the moving assembly (3) further comprises an assembling rail (303), the assembling rail (303) is formed by assembling a plurality of assembling units, the assembling rail (303) is arranged between the two driving rails (300), and the assembling rail (303) is fixed on a connecting rod piece (202) at the bottom of the assembling truss (2) through a plurality of clamping and fixing mechanisms (9); a plurality of second sliding blocks (302) are correspondingly arranged on the assembling track (303), the second sliding blocks (302) on the assembling track (303) are connected with each other or not, and the connecting mode of the second sliding blocks is the same as that of the second sliding blocks (302) on the driving track (300).

4. A single layer net cover structural reinforcement transfer device as claimed in claim 1 or 2, wherein: the pushing mechanism (4) comprises two groups of hydraulic jacking devices, and the two groups of pushing mechanisms (4) are respectively arranged near the two fixed bases (5) and used for pushing the two fixed bases (5) to move along the sliding track (2) towards the same direction; the connection rod (202) comprises a base portion and an extension portion, the extension portion being threadedly connected to the base portion.

5. A single layer net cover structural reinforcement transporting apparatus as set forth in claim 3, wherein: the sliding rail (1) comprises an inner rail (100) and an outer rail (101), and the bottom of the fixed base (5) is simultaneously connected with the inner rail (100) and the outer rail (101) in a sliding manner through a plurality of groups of first sliding blocks (500); the two ends of the upper chord member (200) and the two lower chord members (201) are respectively connected with the fixed base (5).

6. A single layer net cover structural reinforcement transporting apparatus as set forth in claim 3, wherein: each assembly unit is arranged on a corresponding connecting rod piece (202) through a group of clamping and fixing mechanisms (9), and the clamping and fixing mechanisms (9) are positioned at the splicing parts of two adjacent assembly units; the clamping and fixing mechanism (9) comprises a fixing block (900) fixed on the connecting rod piece (202) and a clamping block (901) arranged on the connecting rod piece (202) in a sliding mode, an adjusting rod (902) is connected between the fixing block (900) and the clamping block (901) in a threaded mode, each spliced unit is clamped and fixed between the fixing block (900) and the clamping block (901), the adjusting rod (902) is located at the bottom of the spliced unit, the spliced unit is clamped through the fixing block (900) and the clamping block (901), then the adjusting rod (902) is rotated to adjust the distance between the clamping block (901) and the fixing block (900), and the spliced unit is fixedly clamped.

7. A single layer net cover structural reinforcement transporting apparatus as set forth in claim 3, wherein: the second sliding blocks (302) on the same track are positioned on the same arc line, a plurality of second sliding blocks (302) on the same arc line are connected through cables (304), the driving device comprises two groups of winches arranged at two ends of each main chord, two ends of each cable (304) on each main chord are respectively wound on the corresponding winches, and the two groups of winches control the cables (304) on each main chord to pull the plurality of second sliding blocks (302) to move simultaneously.

8. The single layer net cover structural reinforcement transporting device of claim 5, wherein: the fixed base (5) comprises a first base plate (501) for connecting the lower chord (201) and a second base plate (502) for connecting the upper chord (200); arc-shaped sliding grooves (503) are formed in the plate surfaces of the first base plate (501) and the second base plate (502); both ends of each upper chord member (200) and each lower chord member (201) are respectively provided with an arc-shaped mounting plate (204) matched with the arc-shaped sliding grooves (503) in a rotating mode, and the arc-shaped mounting plates (204) are slidably arranged in the arc-shaped sliding grooves (503) and fixedly connected with corresponding base plates through locking bolts.

9. A reinforcement construction method of a single-layer net cover structure is characterized by comprising the following steps of: the reinforcing construction method uses the single-layer net cover structure reinforcing member transporting device as set forth in any one of claims 1 to 8 to hoist reinforcing members, and comprises the following specific construction steps:

S1: paving a sliding rail on the peripheral side of the net cover structure, installing an assembled truss on the sliding rail, arranging a moving assembly on the assembled truss, pushing the assembled truss to an installation position through a pushing mechanism, and fixing bases at two ends of the assembled truss on the ground through anchor rods;

S2: connecting the reinforcing members to the lifting ropes, wherein at least three lifting points of each reinforcing member are arranged, the lifting points are respectively connected with different lifting ropes, and at least three lifting points are ensured to be not on the same track;

S3: after the driving device is used for controlling the transporting assembly to drive the reinforcing member to move to a reinforcing point along the spliced truss, the reinforcing member is lowered above the net cover structure by controlling the rolling mechanism, and then reinforcing installation of the reinforcing member and the net cover structure is carried out;

s4: after the construction of the reinforcement member in the coverage area of the spliced truss is completed, the spliced truss is driven by a pushing mechanism to rotate by 8-10 degrees along the sliding track, and the steps S2-S3 are continuously repeated until the whole net cover structure is completed by covering and reinforcing, and finally, a layer of reinforcement net cover structure is constructed above the original single-layer net cover structure, so that a double-layer net frame structure is formed.

10. The reinforcement construction method of a single-layer net cover structure according to claim 9, wherein after the slip track is laid in the step S1, the assembly truss is installed as follows: the main chord member is transported and horizontally paved on the periphery of the net cover structure, a plurality of jacking devices are arranged between the main chord member and the ground, guys are arranged on the opposite sides, the main chord member is driven to rotate to a vertical state by the jacking devices and the guys, the main chord member is fixed with the fixed base, and then connecting rods and splicing rails are sequentially arranged along the main chord member until a spliced truss is formed; in the step S2, at least three hanging points of each reinforcing member are respectively connected with different driving tracks and splicing tracks.