阅读说明：本技术 跨空箱梁施工方法 (Across empty van beam construction method ) 是由 陈涛 李晓梦 胡安全 文罡 刘梅 彭波 于 2019-09-30 设计创作，主要内容包括：本发明公开了一种跨空箱梁施工方法,该施工方法包括箱梁外壁喷淋养护用喷淋设备的拆装方法,所述喷淋设备包括行走车、行走轨道、管道架、喷淋管；所述管道架与行走车形成的组合体为一个套设在箱梁外侧的封闭环形结构；进行喷淋设备拆装时,通过吊具完成吊装；具体吊装为：在行走车通过行走轨道安装于箱梁上后,完成上边框与行走车的连接；完成横杆与吊车上起吊钢绳的连接；在侧边框的上端连接引出段,通过吊车控制横杆在空间中的位置、通过卷扬机控制组合体相对于横杆的位置。本施工方法不仅利于喷淋设备的使用寿命和使用安全性,同时提供了一种易于实现喷淋设备拆装不依赖于模架、喷淋设备拆装易于实现的施工方法。(The invention discloses across the empty van beam construction method of one kind, which includes the assembly and disassembly methods of box beam outer wall spray maintenance sprinkling equipment, and the sprinkling equipment includes moving trolley, walking track, duct frame, spray tube；The assembly that the duct frame and moving trolley are formed is a closed ring structure being set on the outside of box beam；When carrying out sprinkling equipment dismounting, complete to lift by suspender；Specific lifting are as follows: in moving trolley by walking track installation after in box beam, complete the connection of upper side frame and moving trolley；Complete the connection that steel cable is lifted by crane on cross bar and crane；In the upper end of side frame, section is drawn in connection, passes through the position of overhead crane control cross bar in space, the position by hoist engine control combination body relative to cross bar.This construction method is not only conducive to the service life and safety in utilization of sprinkling equipment, while providing a kind of construction method for being easily achieved sprinkling equipment dismounting and being easily achieved independent of mould bases, sprinkling equipment dismounting.)

1. across empty van beam construction method, which includes the assembly and disassembly methods of box beam outer wall spray maintenance sprinkling equipment, Be characterized in that, the sprinkling equipment include moving trolley (1), as moving trolley in box beam (1) track more walking tracks (5), The duct frame (4) that is fixedly connected with moving trolley (1) is laid on spray tube (9) on duct frame (4)；

The assembly that the duct frame (4) and moving trolley (1) are formed is a closed ring structure being set on the outside of box beam；

The duct frame (4) includes two upper side frames (15), two side frames (6), a lower frame (8), the upper side frame (15) respective one end is fixedly connected with moving trolley (1), and each end of the lower frame (8) is respectively connected with a side frame (6), The free end of each side frame (6) is connected from different upper side frames (15) respectively；

When carrying out sprinkling equipment dismounting, pass through the lifting for the assembly that suspender is completed to be formed by side frame (6), lower frame (8): institute Stating suspender includes cross bar (11), the hoist engine (12) being mounted in the middle part of cross bar (11), is also wound with volume on the hoist engine (12) It raises steel cable (13), elevator steel cable (13) has two sections of extraction sections drawn relative to hoist engine (12), and two extraction sections are by cross bar (11) different ends extend downwardly, when hoist engine (12) work, two sections of extraction segment sync windings or release；

Specific lifting are as follows: after moving trolley (1) is installed in box beam by walking track (5), complete upper side frame (15) and walking The connection of vehicle (1)；The connection that steel cable (14) are lifted by crane on cross bar (11) and crane is completed, and cross bar (11) is in a horizontal state；

Then, the different lower ends for drawing section are separately connected in the upper end of two side frames (6), pass through overhead crane control cross bar (11) In Position in space, by position of hoist engine (12) the control combination body relative to cross bar (11), complete the dismounting of assembly.

2. across empty van beam construction method according to claim 1, which is characterized in that the lower frame (8) and side frame (6) It is articulated and connected by articulated shaft (7), and the axis of articulated shaft (7) is parallel with the length direction of box beam, assembly and upper side frame (15) it is bolted, when being combined body and upper side frame (15) are assembled, by lower frame (8) and side frame (6) around articulated shaft (7) it relatively rotates, matching assembly is connect with the bolt of upper side frame (15).

3. across empty van beam construction method according to claim 1, which is characterized in that the upper side frame (15) and lower frame It (8) is truss structure.

4. across empty van beam construction method according to claim 1, which is characterized in that the construction method includes sprinkling equipment Application method, the sprinkling equipment include the water tank (2) being mounted on moving trolley (1) and water pump (3), along duct frame (4) paving If spray tube (9)；

Along the extending direction of spray tube (9), being intervally arranged on spray tube (9) has multiple pipe fittings (10)；

The quantity of the water pump (3) is equal with the quantity of pipe fitting (10), is respectively connected with individual water pump on each pipe fitting (10) (3), the water pump (3) is used to extract the water body in water tank (2), and is pumped into spray tube (9) by pipe fitting (10).

5. across empty van beam construction method according to claim 4, which is characterized in that the spray tube (9) is by more root canal sections It is connected in series, and passes through flanged joint between pipeline section.

6. across empty van beam construction method according to claim 5, which is characterized in that be respectively connected with pipe fitting on each pipeline section (10), and each pipeline section is blind pipe closed at both ends, and each water pump (3) can work independently.

7. across empty van beam construction method according to claim 1, which is characterized in that the construction method includes sprinkling equipment Application method, the walking track (5) is laid in box beam along the length direction of box beam, and each end of walking track (5) is It is provided with travel switch, moving trolley (1) position obtained by the travel switch, control moving trolley (1) is in walking track (5) On do straight reciprocating motion.

8. across empty van beam construction method according to claim 6, which is characterized in that it further include control module, the stroke The signal output end of switch is connected with the signal input part of control module, the signal output end and moving trolley of the control module (1) control system is connected, and by control module, realizes that the movement of moving trolley (1) in walking track (5) is automation control System.

9. across empty van beam construction method according to claim 1, which is characterized in that the construction method includes sprinkling equipment Application method, the spray head on the spray tube (9) is atomizer.

10. across empty van beam construction method according to claim 9, which is characterized in that for providing water body for spray tube (9) Water pump (3) be piston pump.

Technical field

The present invention relates to across empty van beam technical field of construction, more particularly to across the empty van beam construction method of one kind.

Background technique

In existing across empty van beam construction field, research and development item is related to: carrying out continuous bridge design basic theories and common construction Technique study, cast-in-situ box girder template and support Design key technology research, the control of cast-in-place box beam bracket design and construction are studied, are existing Pour the research of Construction of Continuous Box Beam organization design, urban central zone narrow space cast-in-place box beam bracket erection method optimizing research, Mountain area support cast-in-place box girder construction key technology research, the research of cast-in-situ box girder Construction Techniques of Slide Shuttering Form, the common matter of cast-in-situ box girder Amount problem and handle measure research etc..

It is built in work progress in previous cast-in-site box girder with large span exquisiteness, cast-in-situ box girder completion pours and after form removable, It needs to carry out sprinkling maintenance to box beam, the quality to solve the problems, such as sprinkling maintenance is irregular, solves box beam side and lower part Existing large labor intensity during conserving difficult problem, solving sprinkling maintenance, with certain risk, required labour More problem occurs being exclusively used in the sprinkling equipment of box beam maintenance in the prior art.

The above sprinkling equipment generally comprises the moving trolley that straight reciprocating motion can be done along box beam length direction, the vehicle On equipped with water tank, while further including the duct frame being fixedly connected with moving trolley, carry in the duct frame along duct frame The spray tube of extension further includes for extracting Water in Water Tanks body and injecting the water pump in spray tube, by being arranged on spray tube Multiple spray heads being intervally arranged along spray tube length direction, realize box beam mechanization spray maintenance.

Box beam maintenance technology is made further research, so that it can preferably serve box girder construction, it is this field Technical staff's technical problem urgently to be resolved.

Summary of the invention

Box beam maintenance technology is made further research for set forth above, so that it can preferably serve box beam Construction, is those skilled in the art's technical problem urgently to be resolved, the present invention provides across the empty van beam construction methods of one kind.Originally it applies Work method can not only reduce the vibration of duct frame in duct type mechanization spray maintenance processes, conducive to the service life of sprinkling equipment And safety in utilization, while providing one kind and being easily achieved sprinkling equipment dismounting and dismounted independent of mould bases, sprinkling equipment and being easy to The construction method of realization.

In view of the above-mentioned problems, across empty van beam construction method provided by the invention is solved the problems, such as by following technical essential: Across empty van beam construction method, the construction method include the assembly and disassembly methods of box beam outer wall spray maintenance sprinkling equipment, the spray Equipment includes moving trolley, as more walking tracks of box beam uplink mule carriage track, the duct frame being fixedly connected with moving trolley, paving It is located at spray tube in duct frame；

The assembly that the duct frame and moving trolley are formed is a closed ring structure being set on the outside of box beam；

The duct frame includes two upper side frames, two side frames, a lower frame, and described respective one end of upper side frame is equal It is fixedly connected with moving trolley, each end of the lower frame is respectively connected with a side frame, and the free end of each side frame is respectively and not It is connected with upper side frame；

When carrying out sprinkling equipment dismounting, pass through the lifting for the assembly that suspender is completed to be formed by side frame, lower frame: described The hoist engine that suspender includes cross bar, is mounted in the middle part of cross bar is also wound with elevator steel cable on the hoist engine, and elevator steel cable has Two sections of extraction sections drawn relative to hoist engine, two extraction sections are extended downwardly by the different ends of cross bar, in hoist engine work, Two sections of extraction segment sync windings or release；

Specific lifting are as follows: in moving trolley by walking track installation after in box beam, complete the company of upper side frame and moving trolley It connects；The connection that steel cable is lifted by crane on cross bar and crane is completed, and cross bar is in a horizontal state；

Then, the different lower ends for drawing section are separately connected in the upper end of two side frames, by overhead crane control cross bar in sky Between in position, the position by hoist engine control combination body relative to cross bar, complete the dismounting of assembly.

Detailed description of the invention

Fig. 1 is in one specific embodiment of across empty van beam construction method of the present invention, and sprinkling equipment and box beam cooperate The structural schematic diagram of the assembly obtained afterwards；

Fig. 2 is duct frame on sprinkling equipment in one specific embodiment of across empty van beam construction method of the present invention The connection relationship diagram of side frame and lower frame；

Fig. 3 is the form schematic diagram of spray tube in one specific embodiment of across empty van beam construction method of the present invention；

Fig. 4 is to reflect structure, the suspender of suspender in one specific embodiment of across empty van beam construction method of the present invention With the schematic diagram of lifting steel wire connection relationship.

Figure acceptance of the bid, which is remembered, is respectively as follows: 1, moving trolley, 2, water tank, 3, water pump, 4, duct frame, 5, walking track, 6, side frame, 7, Articulated shaft, 8, lower frame, 9, spray tube, 10, pipe fitting, 11, cross bar, 12, hoist engine, 13, elevator steel cable, 14, lifting steel cable, 15, upper side frame.

Specific embodiment

Below with reference to embodiment, the present invention is described in further detail, but the present invention is not limited only to following implementation Example: