CN210134364U

CN210134364U - Bridge construction device

Info

Publication number: CN210134364U
Application number: CN201920832007.8U
Authority: CN
Inventors: 杨胜刚; 杨湛; 甘新涛; 孟平; 汪伟; 邓翔; 邓一鹏; 汪拉松; 杨训
Original assignee: Nuclear Industry Changsha Zhongnan Construction Engineering Group Co
Current assignee: Nuclear Industry Changsha Zhongnan Construction Engineering Group Co
Priority date: 2019-06-03
Filing date: 2019-06-03
Publication date: 2020-03-10
Anticipated expiration: 2029-06-03

Abstract

The utility model provides a bridge construction device, which relates to the technical field of bridge construction and comprises a guy cable hanging basket and a driving mechanism; the driving mechanism comprises a fixed frame, a driving unit, a movable plate and a connecting piece, wherein the fixed frame is detachably fixed on the top surface of the finished bridge section of the main beam and extends along the extending direction of the main beam; the driving unit is used for driving the moving plate to drive the front connecting section to move away from the center of the main beam along the extending direction of the main beam through the connecting piece. The technical problem that the overall guy rope hanging basket is lifted by the lifting equipment and the risk coefficient is large is solved, and the technical effect of reducing the risk coefficient is achieved.

Description

Bridge construction device

Technical Field

The utility model belongs to the technical field of the bridge construction technique and specifically relates to a bridge construction device is related to.

Background

The cable-stayed bridge is a bridge with a main beam directly pulled on a bridge tower by a plurality of guys, and is a combined structure formed by basic structures of the guys, the tower and the beams, wherein the beams and the tower are main bearing components, and the beams and the tower are combined into an integral structure. The construction frame of the cable-stayed bridge is provided with three common methods: a scaffold method, a push method and a cantilever construction method. The cantilever construction method generally comprises the steps of firstly pouring a beam section 0 in a tower column area to serve as an initial beam section for placing hoisting equipment, and then symmetrically installing a beam section 1, a beam section 2, a beam section 3 and the like in sequence from two sides of a tower column by using various hoisting equipment to enable a cantilever to extend until the cantilever is folded, wherein an important equipment, namely a guy rope hanging basket, is required to be used when the method is used.

The guy rope hanging basket comprises a reaction pulley section and a front connecting section, wherein the front connecting section is arranged below the No. 0 beam section and the No. 1 beam section, and the reaction pulley section is arranged at the rear end of the front connecting section and mainly pushes the guy rope hanging basket to move along the extension direction of the length of the bridge; when a No. 2 beam section connected with a No. 1 beam section and extending along the length direction of a bridge is constructed, the front connecting section of the guy rope hanging basket is used as a construction supporting carrier of the No. 2 beam section, the front connecting section of the guy rope hanging basket needs to be moved to the position below the construction position of the No. 2 beam section, the length directions of the No. 0 beam section and the No. 1 beam section can only accommodate the front connecting section of the guy rope hanging basket, a reaction pulley section cannot be installed, and the movement of the front connecting section of the guy rope hanging basket cannot be realized; in order to realize the overall installation and subsequent convenient construction of the guy cable cradle, a support method is generally adopted firstly, the construction of the beam section 0, the beam section 1 and the beam section 2 of the main beam is finished, then the guy cable cradle is assembled on the ground, after the assembly is finished, a hoisting device is adopted to connect the guy cable cradle to the bottom end of the main beam, and then a cantilever construction method is adopted to construct subsequent cantilevers.

Before the cantilever construction method is adopted, a bracket method is required to be adopted for constructing the No. 2 beam section, so that a large amount of labor, materials and machinery are consumed in the construction process of the bracket method, the construction period is relatively long, and the longer the construction period is, the higher the risk is; in addition, the cantilever construction method needs to adopt the hoisting equipment to hoist the guyed cradle, and if the hoisting height is higher, the safety risk is relatively increased, which brings inconvenience to the construction.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a bridge construction device, which relieves the problem that the cost is higher because a bracket method is needed to construct a No. 2 beam before a cantilever construction method in the prior art; and hoisting equipment is adopted to lift the integral guy rope hanging basket, so that the risk coefficient is large.

The utility model provides a bridge construction device, which comprises a guy cable hanging basket and a driving mechanism;

the guy cable hanging basket comprises a front connecting section, the front connecting section of the guy cable hanging basket is used for abutting against the bottom surface of the finished bridge section of the main beam, and one end, away from the center of the finished bridge section of the bridge, of the front connecting section in the length direction is a hanging end;

the driving mechanism comprises a fixed frame, a driving unit, a movable plate and a connecting piece, wherein the fixed frame is detachably fixed on the top surface of a finished bridge section of the main beam, the fixed frame extends along the extension direction of the main beam, the driving unit and the movable plate are respectively installed on the fixed frame, the driving unit is connected with the movable plate, the movable plate can slide relative to the fixed frame along the extension direction of the main beam, the connecting piece connects the movable plate with the suspension end of the front connecting section, and the connecting piece is detachably connected with the suspension end; the driving unit is used for driving the moving plate to drive the front connecting section to move away from the center of the main beam along the extending direction of the main beam through the connecting piece, so that the front connecting section moves to the installation position of the next beam section.

Further, the guy rope hanging basket also comprises a counter-force pulley section;

the reaction pulley section with leading linkage segment is the components of a whole that can function independently structure, just the reaction pulley section with leading linkage segment can dismantle the concatenation fixed.

Further, the connecting piece comprises a bracket, a connecting rope and a supporting beam;

the bracket with the connection can be dismantled to the end that hangs of guy cable hanging basket, a supporting beam is connected the bottom of bracket, the one end of connecting the rope stretches out the bracket, and with a supporting beam can dismantle fixed connection, the other end of connecting the rope with fixed connection can be dismantled to the movable plate to the leading linkage segment and the girder of messenger guy cable hanging basket are connected.

Furthermore, the finished bridge section of the main beam is provided with deformed steel bars which sequentially penetrate through the top surface of the main beam and the fixing frame, so that the fixing frame is connected with the main beam.

Furthermore, a sliding plate is arranged on the fixed frame, a sliding piece is arranged on the movable plate, and the sliding piece is matched with the sliding plate, so that the movable plate can move along the extending direction of the main beam away from the center of the main beam along the fixed frame.

Furthermore, a preformed hole for hanging the counter-force pulley section is arranged on the finished bridge section of the main beam.

Furthermore, C-shaped hooks are respectively arranged on two sides of the front connecting section, two side edges of the main beam, which finish the bridge section, are arranged in the C-shaped hooks, and the upper edges of the two side edges of the main beam, which finish the bridge section, can be in clearance fit with the upper side surfaces of the C-shaped hooks.

Further, both sides of the top surface of the main beam finished bridge section are respectively provided with a slideway; a sliding block is arranged at the upper end corresponding to the opening of the C-shaped hook, and the front connecting section can move relative to the finished bridge section of the main beam so as to enable the sliding block to be abutted against the slide way; when the sliding block is abutted to the slide way, the sliding block can drive the guy cable hanging basket to slide along the slide way.

Furthermore, the bridge construction device also comprises a hoisting device;

the traction rope of the hoisting equipment penetrates out of the preformed hole to be connected with the counter-force pulley section and is used for hanging and lifting the counter-force pulley section of the traction rope hanging basket.

Furthermore, the driving unit is a jack, and an output end of the jack is connected with the movable plate, so that the movable plate slides along the extending direction of the main beam relative to the fixed frame under the action of the jack.

The utility model provides a bridge construction device, the leading linkage segment of guyed hanging basket is connected in the bottom surface that the girder has accomplished the bridge section (being the bottom surface of No. 0 beam section and No. 1 beam section), the mount can be dismantled fixed connection and is set up in the top surface that the girder has accomplished the bridge section (being the top surface of No. 0 beam section and No. 1 beam section), the mount extends along the extending direction of girder, drive unit and movable plate are installed respectively on the mount, drive unit and movable plate are connected, the movable plate can relatively with the mount keep away from the center slip of girder in the extending direction of girder, the connecting piece can be dismantled with the end of hanging and be connected, drive unit action, can drive the movable plate to pass through the connecting piece and drive leading linkage segment and keep away from the center of girder along the extending direction of girder and move, make leading linkage segment move to the mounted; during construction, firstly, constructing a beam section No. 0 and a beam section No. 1 of a main beam, after the construction is finished, connecting the front connecting section of the guy rope hanging basket to the bottom ends of the beam section No. 0 and the beam section No. 1 of the main beam, extending the front connecting section of the guy rope hanging basket out of the beam section No. 0 and the beam section No. 1 to form a beam section No. 2 mounting position, and constructing the beam section No. 2; then, the hanging end of the front connecting section is connected with the movable plate through a connecting piece, so that the stability of the connecting structure of the guy rope hanging basket and the main beam is ensured; meanwhile, through the driving action of the driving unit, the movable plate drives the front connecting section of the guy rope hanging basket to move along the center far away from the bridge in the length direction of the bridge through the connecting piece, the front connecting section of the guy rope hanging basket moves to the installation position of the next beam section, the subsequent beam section is constructed, and the like, the construction process of the No. 2 beam section of the bridge is realized through the driving mechanism and the front connecting section of the guy rope hanging basket, the complexity of constructing the No. 2 beam by adopting a support method before a cantilever construction method is avoided, the structure is simple, the required cost is relatively low, and the risk coefficient is small.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a side view of a bridge construction apparatus according to an embodiment of the present invention;

fig. 2 is a schematic structural diagram of a bridge construction device provided by an embodiment of the present invention;

FIG. 3 is an enlarged view of a portion A of FIG. 2;

FIG. 4 is a partial enlarged view of portion B of FIG. 3;

fig. 5 is a schematic structural diagram of step i of the construction method of the bridge construction apparatus according to the embodiment of the present invention;

fig. 6 is a schematic structural diagram of step ii of the construction method of the bridge construction apparatus according to the embodiment of the present invention;

fig. 7 is a schematic structural diagram of step iii of the construction method of the bridge construction apparatus according to the embodiment of the present invention;

fig. 8 is a schematic structural diagram of step iv of the construction method of the bridge construction apparatus according to the embodiment of the present invention;

fig. 9 is a schematic structural diagram of step vi of the construction method of the bridge construction apparatus according to the embodiment of the present invention;

fig. 10 is a schematic structural diagram of step vii of the construction method of the bridge construction apparatus according to the embodiment of the present invention;

fig. 11 is a detailed schematic structural diagram of step i of the construction method of the bridge construction apparatus according to the embodiment of the present invention;

fig. 12 is a schematic structural diagram of a first step in step ii of the construction method of the bridge construction apparatus according to the embodiment of the present invention;

fig. 13 is a schematic structural diagram of a second step of step ii of the construction method of the bridge construction apparatus according to the embodiment of the present invention;

fig. 14 is a schematic structural diagram of the third step of step ii of the construction method of the bridge construction apparatus according to the embodiment of the present invention.

Icon: 100-main beam; 200-guy rope hanging basket; 300-a fixed mount; 400-moving the plate; 500-a connector; 600-a drive unit; 700-a bracket; 800-a buffer member; 101-preparing holes; beam segment number 102-0; 103-1 beam section; number 104-2 beam section; 105-a slide; 201-front connecting section; 202-a counter force pulley segment; 203-C type hook; 204-a slide block; 301-a sliding plate; 302-anchor points; 401-a glide; 501-connecting ropes; 502-a fixture; 701-support beam.

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the following embodiments, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the directions or positional relationships indicated as the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., appear based on the directions or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" as appearing herein are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" should be interpreted broadly, e.g., as being either 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 invention can be understood in specific cases to those skilled in the art.

The utility model provides a bridge construction device, as shown in fig. 1-4, the girder 100 has accomplished the bridge section and is No. 0 beam section 102 and No. 1 beam section 103 of girder 100, wherein, No. 0 beam section 102 is that the center section of girder 100 is located between two tower girders, and the quantity of No. 1 beam section 103 is two, and two No. 1 beam sections 103 are located the both sides of No. 0 beam section 102 respectively, leading linkage segment 201 of guy cable hanging basket 200 supports and leans on the bottom surface at No. 0 beam section 102 and No. 1 beam section 103 of girder 100, the one end of leading linkage segment 201 of girder 100 that keeps away from No. 0 beam section 102 is the suspension end; the fixed frame 300 is detachably connected with the top surfaces of the beam section No. 0 102 and the beam section No. 1 103 of the main beam 100, the driving unit 600 and the moving plate 400 are connected with the top surface of the fixed frame 300, and the moving plate 400 can move relative to the fixed frame 300 in the extending direction of the main beam 100 along the center far away from the main beam 100 under the action of the driving unit 600; the front connecting section 201 of the guy cable hanging basket 200 is arranged at the bottom ends of the beam sections No. 0 and No. 1 of the main beam 100, and the front end surface of the front connecting section 201 of the guy cable hanging basket 200 is connected with the moving plate 400 through the connecting piece 500, so that the front end of the guy cable hanging basket 200 is stably connected with the fixing frame 300, and the guy cable hanging basket 200 is stably connected with the main beam 100; and the movement of the guy rope hanging basket 200 can be realized by the movement of the moving plate 400 along the fixed frame 300, so that the front connecting section 201 of the guy rope hanging basket 200 moves to the installation position of the next beam section, and the subsequent beam section is convenient to install. Specifically, during construction, firstly, the No. 0 beam section 102 and the No. 1 beam section 103 of the main beam 100 are constructed by adopting a traditional method, after the construction is finished, the front connecting section 201 of the guy rope hanging basket 200 is connected to the bottom ends of the No. 0 beam section 102 and the No. 1 beam section 103 of the main beam 100, the front connecting section 201 of the guy rope hanging basket 200 extends out of the suspension ends of the No. 0 beam section 102 and the No. 1 beam section 103, then, the No. 2 beam section 104 is constructed under the action of the front connecting section 201 of the guy rope hanging basket 200, after the No. 2 beam section 104 is constructed, the suspension end of the guy rope hanging basket 200 and the moving plate 400 are connected by using the connecting piece 500, the stability of the connection structure of the guy rope hanging basket 200 and the main beam 100 is ensured, then, the moving plate 400 drives the front connecting section 201 of the guy rope hanging basket 200 to move to the installation position of the next beam section by the connecting piece 500 under the action of the driving mechanism, and then, the method is adopted to construct the No. 2 beam section 104, the complexity of constructing the No. 2 beam section 104 by adopting a support method is avoided, the structure is simple, the required cost is relatively low, and the risk coefficient is small.

It should be noted that the fixing frame 300 is composed of 6 groups of supporting frames, each group of supporting frames is sequentially arranged at intervals along the width direction of the main beam 100, each group of supporting frames is arranged along the length direction of the main beam 100, each group of supporting frames is composed of a plurality of beret sheets and a beret sheet connecting flower shelf, and the plurality of beret sheets are connected to the beret sheet connecting flower shelf; the moving plate 400 is transversely arranged at the top end of the foremost end of the fixed frame 300, and the connecting piece 500 is connected to the moving plate 400 and arranged between the third group of support frames and the fourth group of support frames, so that the fixed frame 300 is prevented from blocking the connecting piece 500 when the moving plate 400 moves; the moving plate 400 is provided on the foremost fixed frame 300.

Further, the lanyard basket 200 further comprises a counter force pulley segment 202; the reaction pulley section 202 and the front connecting section 201 are of a split structure, the reaction pulley section 202 and the front connecting section 201 can be detachably assembled and fixed, after the front connecting section 201 of the guy rope hanging basket 200 moves to the No. 3 beam section installation position, the reaction pulley section 202 is assembled at the rear end of the front connecting section 201 by using hoisting equipment or lifting equipment, and the reaction pulley section 202 can push the guy rope hanging basket 200 to move along the extension direction of the length of the bridge; the reaction pulley section 202 is arranged, so that the guy rope hanging basket 200 can be conveniently moved along the extension direction of the length of the bridge, and the installation complexity of a driving mechanism is avoided.

It should be noted that, the subsequent beam section may be installed by combining the front connection section 201 of the guy rope cradle 200 with the driving mechanism, or by only using the integral guy rope cradle 200 including the front connection section 201 and the reaction pulley section 202, or by combining the integral guy rope cradle 200 with the driving mechanism, and the constructor may construct the beam section according to the specific working condition and select the most appropriate construction scheme.

Further, the fixing frame 300 is connected with the main beam 100 through a screw steel. Specifically, the process of installing the fixing frame 300 is as follows: when constructing the beam section No. 0 102 and the beam section No. 1 103 of the main beam 100, finish-rolled deformed steel bars with the diameter of 32mm are embedded in the top surface of the main beam 100, the embedding depth is 50cm, the exposed length is 30cm, and the fixing frame 300 is installed on the finish-rolled deformed steel bars, so that the stable connection between the fixing frame 300 and the top surface of the main beam 100 is realized; after the fixing frame 300 is installed, the walking distribution beam is installed on the fixing frame 300, and then the walking distribution beam is stably connected with the fixing frame 300 through bolts.

It should be noted that the number of the walking distribution beams is multiple, and the multiple walking distribution beams are arranged at intervals along the length direction of the main beam 100, so as to realize stable connection between the fixing frame 300 and the main beam 100.

As shown in fig. 1, the front connection section 201 of the guy rope hanging basket 200 of the present invention is disposed outside the reaction pulley section 202 of the guy rope hanging basket 200.

As shown in fig. 3, two sides of the top surface of the main beam 100 of the completed bridge section of the main beam 100 are respectively provided with a slideway 105, one slideway 105 is arranged on one side of the top surface of the main beam 100, the other slideway 105 is arranged on the other side of the top surface of the main beam 100, and the two slideways 105 are correspondingly arranged; c-shaped hooks 203 are respectively arranged on two sides of a front connecting section 201 of the guy cable hanging basket 200, two sides of the finished bridge section of the main beam 100 are arranged in the C-shaped hooks 203, and the upper edges of the two sides of the finished bridge section of the main beam 100 can be in clearance fit with the upper side surfaces of the C-shaped hooks 203; the upper end corresponding to the opening of the C-shaped hook 203 is provided with a slide block 204, and the guy cable hanging basket 200 can move relative to the finished bridge section of the main beam 100, so that the slide block 204 is abutted against the slide way 105; when the sliding block 204 is matched with the slide way 105, in the current state, the guy rope hanging basket 200 is arranged in a fit manner with the bottom surface of the main beam 100, when the guy rope hanging basket 200 needs to be moved, the guy rope hanging basket 200 is moved downwards, and the sliding block 204 can be connected with the slide way 105, so that the guy rope hanging basket 200 can be conveniently moved; by adopting the design of the C-shaped hook 203, the sliding connection with the slideway 105 can be realized, and the stay cable hanging basket 200 can be jointed with the top surface of the main beam 100, so that the main beam 100 bears a part of the gravity of the stay cable hanging basket 200, and the stability of the connection between the stay cable hanging basket 200 and the main beam 100 in the moving process of the stay cable hanging basket 200 is ensured.

Specifically, as shown in fig. 2 and 3, the front end of the fixing frame 300 extends out of the suspension end of the main beam 100, the moving plate 400 is connected to the extension end of the fixing frame 300, the bracket 700 is arranged on the front end face of the front connecting section 201, the bracket 700 is connected with the moving plate 400 through the connecting piece 500, the connection between the front end of the guy rope hanging basket 200 and the fixing frame 300 is realized through the connection between the bracket 700, the moving plate 400 and the connecting piece 500, only the connecting structure is required to be arranged on the outer side of the cantilever end of the main beam 100, and the connecting structure is simple and the operation process is simple.

As shown in fig. 3, the bracket 700 is an inverted triangle bracket 700, the inverted triangle bracket 700 is welded to the front end surface of the stay wire hanging basket 200, the front end surface of the stay wire hanging basket 200 is pushed out of the cantilever end of the main beam 100 by the inverted triangle bracket 700, and the bracket 700 and the movable plate 400 are directly connected, so that the influence of the main beam 100 is avoided, and the construction is convenient.

It should be further noted that the inverted triangle bracket 700 is made of double-split 32 i-steel.

It should be further noted that the connection rope 501 is a steel wire rope, the connection member 500 further comprises a fixing member 502, the fixing member 502 is a bolt, a supporting beam 701 is connected to the bottom end face of the bracket 700, the lower end of the connection rope 501 penetrates through the supporting beam 701 and is connected with the bracket 700 through the bolt, the upper end of the connection rope 501 sequentially penetrates through the fixing frame 300 and the moving plate 400 and is fixedly connected with the upper end of the moving plate 400 through the bolt, and the connection structure is stable.

Further, the equipment of lifting by crane can be the hoist engine, in No. 0 beam segment 102 and No. 1 beam segment 103 work progress of girder 100, reserve out the preformed hole 101 of installation reaction pulley section 202 on No. 1 beam segment 103, wherein the reservation of preformed hole 101 is realized through pre-buried direct PVC pipe that is 90mm, later passes preformed hole 101 with the tensile end of hoist engine, makes things convenient for follow-up promotion to reaction pulley section 202.

Further, as shown in fig. 4, a sliding plate 301 is disposed on the upper end of the fixed frame 300, a sliding element 401 is disposed on the bottom surface of the moving plate 400, and the sliding element 401 is adapted to the sliding plate 301, so that the moving plate 400 can move along the fixed frame 300 in the length direction of the main beam 100, and the movement of the guy wire hanging basket 200 is realized.

Specifically, the sliding plate 301 is provided with lubricating oil thereon to perform a certain lubricating function, so as to reduce friction and realize the movement of the moving plate 400 along the fixed frame 300.

As shown in fig. 3 and 4, a buffer member 800 is disposed between the lower end of the fixing frame 300 and the upper surface of the main beam 100, the buffer member 800 is a square timber, and the flatness of the upper end surface of the fixing frame 300 is ensured by adjusting the flatness of the square timber skid at the lower end of the fixing frame 300.

As shown in fig. 4, the driving unit 600 is a jack, the driving unit 600 is connected to the top surface of the fixing frame 300, and the output end of the driving unit 600 is connected to the moving plate 400, so that the moving plate 400 can move along the fixing frame 300 under the action of the driving unit 600.

The utility model provides a bridge construction equipment's construction method, including following step: i) as shown in fig. 5, a No. 0 beam segment 102 and a No. 1 beam segment 103 of the construction girder 100; ii) as shown in fig. 6, the front connecting section 201 of the guy rope hanging basket 200 is installed on the bottom surfaces of the beam sections No. 0 and No. 1 102 and 103, and the hanging end of the front connecting section 201 of the guy rope hanging basket 200 opposite to the fixed end extends to the outer sides of the beam sections No. 0 and No. 1 102 and No. 1 103 along the extending direction of the main beam 100, so as to form the installation position of the beam section No. 2 104; iii) as shown in fig. 7, construction girder section No. 2 104 of girder 100; iv) as shown in fig. 8, after the construction of the No. 2 beam section 104 of the main beam 100 is completed, the mounting bracket 700 is mounted on one end of the guy cable hanging basket 200, the fixed frame 300 and the moving plate 400 are mounted on the suspension end of the No. 2 beam section 104, the bracket 700 and the moving plate 400 are connected, that is, the driving mechanism is mounted on the top surface of the No. 2 beam section 104; v) removing the beam template of the guy rope hanging basket 200, loosening the internal mold platform, and descending the internal mold platform; a slideway 105 is arranged on the top surface of the main beam 100, and a reaction pulley section 202 of the guy rope hanging basket 200 is arranged in place through a preformed hole 101; vi) moving the guy rope hanging basket 200 to the installation position of the No. 3 beam section, hanging the counter force pulley section 202 to the bottom end of the main beam 100, and assembling the guy rope hanging basket 200 as shown in FIG. 9; vii) as shown in fig. 10, the guy wire hanging basket 200 is lifted to a designated position, and the fixed frame 300, the moving plate 400 and the walking distribution beam are removed.

Specifically, use the utility model provides a still include the step when the bridge construction device is under construction: constructing a No. 3 beam section on the installation position of the No. 3 beam section; after the construction of the No. 3 beam section is completed, the front connecting section 201 is pushed by the counterforce pulley section 202 to move away from the center of the main beam 100 along the extending direction of the main beam 100, so that the front connecting section 201 moves to the installation position of the No. 4 beam section; constructing a No. 4 beam section on the installation position of the No. 4 beam section; after the construction of the beam section No. 4 is completed, the front connecting section 201 is continuously pushed by the counterforce pulley section 202 to move away from the center of the main beam 100 along the extending direction of the main beam 100, so that the front connecting section 201 moves to the installation position of the next beam section, the beam section is installed on the installation position of the next beam section, and the like is performed until the construction of all the beam sections is completed.

Specifically, the step of constructing beam segment No. 0 102 and beam segment No. 1 103 of main beam 100 further includes: a preformed hole 101 is reserved in the No. 1 beam section 103 to hoist the counter force pulley section 202.

Specifically, during construction, firstly, a No. 0 beam section 102 and a No. 1 beam section 103 of a main beam 100 are constructed, in the construction process, a phi 90PVC pipe is pre-embedded on the No. 1 beam section 103 to form a reserved hole 101, the position of the reserved hole 101 corresponds to the installation position of a reaction pulley section 202, meanwhile, finish-rolled deformed steel bars with the diameter of 32mm are pre-embedded on the main beam 100, the embedding depth is 50cm, the exposed length is 30cm (an anchor bolt is embedded at the end part and a steel plate cushion block is sleeved on the anchor bolt), after the construction of the No. 0 beam section 102 and the No. 1 beam section 103 is finished, a fixing frame 300 is installed on the finish-rolled deformed steel bars, and a walking distribution beam is installed at the top end of the fixing frame 300 and is fixed; a connecting hole of the front connecting section 201 of the guy rope hanging basket 200 is preset on the fixed frame 300, and the hoisting equipment lifts the guy rope hanging basket 200 to the bottom end face of the main beam 100 through the connecting hole; after the preposed connecting section 201 of the guy cable hanging basket 200 is in place, constructing a No. 2 beam section 104, pre-burying finish-rolled deformed steel bars with the diameter of 32mm on the top surface of the No. 2 beam section 104, wherein the embedding depth is 50cm, the exposed length is 30cm, installing a fixing frame 300, and installing a walking distribution beam above the fixing frame 300 for fixing; after the construction of the beam section No. 2 104 is finished, a fixing frame 300 is installed on the main beam 100, a moving plate 400 is installed on the fixing frame 300, a bracket 700, namely an inverted triangle bracket 700, is installed on the front end face of the guy cable hanging basket 200, and then the inverted triangle bracket 700 is connected with the moving plate 400 through a connecting piece 500; after the connection is finished, the template of the main beam 100 is removed, the internal mold platform of the guy rope hanging basket 200 is loosened, the internal mold platform is descended, meanwhile, the slide way 105 is installed on the top surface of the main beam 100, at the moment, the hook of the guy rope hanging basket 200 is contacted with the slide way 105, and meanwhile, the counter-force pulley section 202 of the guy rope hanging basket 200 is lifted to a certain height by adopting a winch, so that the subsequent installation is convenient; the guy rope hanging basket 200 is moved forwards by 2-3mm, a reaction pulley section 202 is installed at a free position, then the reaction pulley section 202 is lifted to the bottom surface of the main beam 100, and an operator assembles and connects the reaction pulley section 202 and the front connecting section 201 to realize the assembly of the guy rope hanging basket 200; the assembling of the guy rope hanging basket 200 is checked and confirmed by an operator, after the assembly is confirmed to be correct, the fixing frame 300, the moving plate 400 and the connecting piece 500 are disassembled, then the guy rope hanging basket 200 enters a normal use state, the complexity of constructing the No. 2 beam section 104 by adopting a support method is avoided, the structure is simple, the required cost is relatively low, and the risk coefficient is small.

Further, the fixed end of the front connecting section 201 of the guy rope hanging basket 200 is fixedly installed on the bottom surfaces of the No. 0 beam section 102 and the No. 1 beam section 103, the hanging end of the front connecting section 201 of the guy rope hanging basket 200 opposite to the fixed end extends to the outer sides of the No. 0 beam section 102 and the No. 1 beam section 103 along the extending direction of the main beam 100, and the step of forming the installation position of the No. 2 beam section 104 further comprises: as shown in fig. 11 and 12, the mount 300 is mounted on the beam segment No. 1 103, and the walking distribution beam is mounted on the mount 300; as shown in fig. 13, an anchoring point 302 is preset on the fixing frame 300 for connecting the guy wire hanging basket 200; as shown in FIG. 14, the tow lines of the hangers are connected to the lanyard basket 200 through anchor points 302 to raise the lanyard basket 200.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.

Claims

1. A bridge construction device is characterized by comprising a guy cable hanging basket and a driving mechanism;

2. The bridge construction device of claim 1, wherein the guy cable basket further comprises a counter pulley segment;

3. The bridge construction apparatus of claim 2, wherein the connection member includes a bracket, a connection rope, and a support beam;

4. The bridge construction apparatus of claim 1, wherein the finished bridge section of the girder is provided with screw-thread steel sequentially passing through a top surface of the girder and a fixing frame so that the fixing frame is connected with the girder.

5. The bridge construction device according to claim 1, wherein a sliding plate is provided on the fixed frame, and a sliding member is provided on the moving plate, the sliding member being adapted to the sliding plate so that the moving plate can move away from a center of the girder in an extending direction of the girder along the fixed frame.

6. The bridge construction device according to claim 2, wherein a prepared hole for hanging the reaction pulley section is provided on the girder-completed bridge section.

7. The bridge construction device according to claim 1, wherein C-shaped hooks are respectively provided at both sides of the front connection section, both side edges of the girder completed bridge section are provided in the C-shaped hooks, and upper edges of both side edges of the girder completed bridge section can be clearance-fitted with upper side surfaces of the C-shaped hooks.

8. The bridge construction device according to claim 7, wherein both sides of a girder top surface of the girder completed bridge section are provided with a slide way, respectively; a sliding block is arranged at the upper end corresponding to the opening of the C-shaped hook, and the front connecting section can move relative to the finished bridge section of the main beam so as to enable the sliding block to be abutted against the slide way; when the sliding block is abutted to the slide way, the sliding block can drive the guy cable hanging basket to slide along the slide way.

9. The bridge construction apparatus of claim 6, further comprising a lifting device;

10. The bridge construction device according to claim 1, wherein the driving unit is a jack, and an output end of the jack is connected to the movable plate so that the movable plate slides relative to the fixed frame in an extending direction of the girder under the action of the jack.