CN211036711U - Stride empty case roof beam construction structures - Google Patents
Stride empty case roof beam construction structures Download PDFInfo
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- CN211036711U CN211036711U CN201921653204.XU CN201921653204U CN211036711U CN 211036711 U CN211036711 U CN 211036711U CN 201921653204 U CN201921653204 U CN 201921653204U CN 211036711 U CN211036711 U CN 211036711U
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Abstract
The utility model discloses an empty box girder construction structure, which comprises a spraying device for spraying and maintaining the outer wall of a box girder, wherein the spraying device comprises a walking vehicle, a plurality of walking tracks serving as the tracks of the walking vehicle on the box girder, a pipeline frame fixedly connected with the walking vehicle, and a spraying pipe laid on the pipeline frame; the assembly formed by the pipeline frame and the walking vehicle is a closed annular structure sleeved on the outer side of the box girder; the pipeline frame comprises two upper frames, two side frames and a lower frame, wherein one end of each upper frame is fixedly connected with the walking vehicle, each end of the lower frame is connected with one side frame, and the free end of each side frame is connected with different upper frames respectively. The construction structure that this scheme provided does benefit to the life and the safety in utilization of equipment that sprays.
Description
Technical Field
The utility model relates to a stride empty case roof beam construction technical field, especially relate to a stride empty case roof beam construction structures.
Background
In the current empty case roof beam construction field of striding, research and development item relates to: the method comprises the following steps of developing basic theory of continuous beam bridge design and common construction method research, key technical research of cast-in-place box beam template and support design, design and construction control research of cast-in-place box beam supports, construction organization design research of cast-in-place continuous box beams, optimization research of cast-in-place box beam support erection method in narrow space of urban central area, key technical research of mountain area support cast-in-place box beam construction, construction technical research of cast-in-place box beam movable formwork, research of common quality problems and treatment measures of cast-in-place box beams and the like.
In the previous delicate construction process of a large-span cast-in-place box girder, after the cast-in-place box girder is poured and a formwork is removed, the box girder needs to be subjected to watering maintenance, and in order to solve the problems of uneven watering maintenance quality, difficulty in maintaining the side surface and the lower part of the box girder and the problems of high labor intensity, certain danger and more required labor force in the watering maintenance process, spraying equipment special for box girder maintenance appears in the prior art.
The spraying equipment generally comprises a travelling vehicle which can do linear reciprocating motion along the length direction of a box girder, a water tank is mounted on the travelling vehicle, the travelling vehicle also comprises a pipeline frame fixedly connected with the travelling vehicle, a spraying pipe extending along the pipeline frame is mounted on the pipeline frame, the spraying equipment also comprises a water pump which is used for pumping water in the water tank and injecting the water into the spraying pipe, and the mechanical spraying maintenance of the box girder is realized through a plurality of spray heads arranged on the spraying pipe at intervals along the length direction of the spraying pipe.
Further research on box girder maintenance technology to enable the box girder construction to be better served is a technical problem to be urgently solved by technical personnel in the field.
SUMMERY OF THE UTILITY MODEL
Further research is made to box girder maintenance technique to above-mentioned proposition to make its can be better serve the box girder construction, be the technical problem that technical staff in the field await urgent need to solve, the utility model provides a stride empty box girder construction structures. This scheme provides one kind can reduce the mechanized spraying equipment that sprays the vibration of pipeline frame among the maintenance process of pipeline formula.
To the above problem, the utility model provides a pair of stride empty case roof beam construction structures solves the problem through following technical essential: a cross-empty box girder construction structure comprises spraying equipment for spraying and maintaining the outer wall of a box girder, wherein the spraying equipment comprises a walking vehicle, a plurality of walking tracks serving as the tracks of the walking vehicle on the box girder, a pipeline frame fixedly connected with the walking vehicle, and a spraying pipe laid on the pipeline frame;
the assembly formed by the pipeline frame and the walking vehicle is a closed annular structure sleeved on the outer side of the box girder;
the pipeline frame comprises two upper frames, two side frames and a lower frame, wherein one end of each upper frame is fixedly connected with the walking vehicle, one end of each lower frame is connected with one side frame, and the free end of each side frame is connected with different upper frames;
when spraying equipment dismouting, accomplish the hoist and mount by the assembly that side frame, lower frame formed through the hoist: the lifting appliance comprises a cross bar and a winch arranged in the middle of the cross bar, a winch steel rope is wound on the winch, the winch steel rope is provided with two leading-out sections led out relative to the winch, the two leading-out sections extend downwards from different ends of the cross bar, and when the winch works, the two leading-out sections are synchronously wound or released;
the concrete hoisting is as follows: after the walking vehicle is arranged on the box girder through the walking track, the connection between the upper frame and the walking vehicle is completed; the connection between the cross bar and a hoisting steel rope on a crane is completed, and the cross bar is in a horizontal state;
and then, the upper ends of the two side frames are respectively connected with the lower ends of different leading-out sections, the position of the cross bar in the space is controlled by a crane, and the position of the combination body relative to the cross bar is controlled by a winch, so that the assembly and disassembly are completed.
Among the prior art, to the maintenance that sprays of cast-in-place case roof beam, the pipeline frame that is used for supporting the shower that adopts generally is a cantilever beam structure, and because shower itself is longer, so the pipeline frame generally covers top, lateral wall and the lower part of case roof beam, at the shower during operation, generally has great vibration on the pipeline frame, and above vibration not only influences the effect of spraying, can accelerate pipeline frame fatigue simultaneously, is unfavorable for spraying equipment's life and safety in utilization.
Based on above problem, this scheme provides a concrete equipment implementation of spraying, and in this scheme, through setting up to the pipeline frame is established the closed loop configuration in the case roof beam outside for a cover with the assembly that the walking car formed, and like this, the walking car can in fact exert the restraint for two tip of pipeline frame, like this, can effectively reduce the violent degree of pipeline frame vibration that the shower induced at the during operation to reach the purpose that does benefit to spraying equipment life and safety in utilization.
Simultaneously based on the structural design of the spraying equipment, the scheme also provides a dismounting method of the spraying equipment, which comprises the following steps: because the pipeline frame that this scheme provided includes the lower frame, and strides empty case roof beam bottom unsettled, so this scheme provides a pipeline frame assembly and does not rely on the die carrier, adopts the construction method that single crane can implement the dismouting.
Specifically, when the lower frame and the side frame are assembled by a single crane to complete the disassembly and assembly of the pipeline frame, the lower frame needs to be positioned at the lower side of the box girder, so the box girder is actually an obstacle in the hoisting process, the hoisting safety is considered, the hoisting steel wire on the crane is not allowed to be in contact with the box girder, and in order to avoid the above conditions, if a fixed pulley is selected to be arranged on each of two sides of the upper end of the box girder, thus, not only is a device for construction increased, but also the problem of fixing the fixed pulley and the box girder needs to be considered, and meanwhile, the appearance of the box girder is also unfavorable for the fixation. So in this scheme, adopt the hoist as above providing when concrete construction: the lifting appliance comprises a cross bar and a winch arranged in the middle of the cross bar, a winch steel rope is wound on the winch, the winch steel rope is provided with two leading-out sections led out relative to the winch, the two leading-out sections extend downwards from different ends of the cross bar, and when the winch works, the two leading-out sections are synchronously wound or released;
the concrete hoisting is as follows: after the walking vehicle is arranged on the box girder through the walking track, the connection between the upper frame and the walking vehicle is completed; the connection between the cross bar and a hoisting steel rope on a crane is completed, and the cross bar is in a horizontal state;
and then, the upper ends of the two side frames are respectively connected with the lower ends of different leading-out sections, the position of the cross bar in the space is controlled by a crane, and the position of the combination body relative to the cross bar is controlled by a winch, so that the assembly and disassembly are completed.
Thus, when the pipeline frame is installed, the cross rod needs to be positioned at the upper side of the box girder, and the length of the suspension arm of the crane is fixed, at the moment, if the overhead height of the box girder is higher, after the crane restrains the cross rod through the hoisting steel wire, the hoisting machine on the cross rod hoists the lower frame and the side frame assembly on the ground to a position close to the lower part of the box girder by using the hoisting steel wire, and then the hoisting steel wire hoists and moves the cross rod to complete the matching of the relative positions of the upper frame and the lower frame so as to conveniently complete the connection; the above combination is released to be completed by the hoist, for example, when the disassembly of the pipe rack is completed. This scheme of adoption promptly, no matter the installation of above assembly or dismantlement, owing to inject the position of the flagging paragraph upper end of each section of drawing forth through the horizontal pole, under the condition that adopts a crane, also do not need to set up the condition like devices such as fixed pulley between box girder and wire rope, realize that there is not the problem that box girder influences wire rope in the dismouting in-process of conduit bracket. Simultaneously, owing to adopt single crane can realize the dismouting of pipeline frame, the structural design of above pipeline frame makes it need not rely on the die carrier at the application in-process in this scheme, avoids spraying the maintenance process and occupies the die carrier and influence the efficiency of construction of whole engineering. The scheme also provides a construction method which is easy to realize that the dismounting and the mounting of the spraying equipment are independent of the die carrier and the dismounting and the mounting of the spraying equipment are easy to realize.
The further technical scheme is as follows:
for the connection of making things convenient for the pipe rack, set up to: lower frame and side frame all are connected through the articulated shaft is articulated, and the axis of articulated shaft is parallel with the length direction of case roof beam, and the assembly is connected with last frame bolted connection, when carrying out the assembly with last frame, through lower frame and side frame around the relative rotation of articulated shaft, the bolted connection position of matching assembly and last frame.
Because last frame and lower frame need have great rigidity compared in the side frame, as a light in weight, the good realization scheme of bending resistance, set up to: the upper frame and the lower frame are of truss structures.
The construction method comprises a using method of spraying equipment, wherein the spraying equipment comprises a water tank and a water pump which are arranged on a walking vehicle, and a spraying pipe which is laid along a pipeline frame;
along the extension direction of the spray pipe, a plurality of pipe joints are arranged on the spray pipe at intervals;
the number of the water pumps is equal to that of the pipe joints, the pipe joints are connected with independent water pumps, and the water pumps are used for pumping water in the water tank and pumping the water into the spraying pipes through the pipe joints. In this scheme, because spraying equipment can cover the top surface, the side and the bottom surface of case roof beam, adopt above scheme, pass through the coupling moisturizing through the shower segmentation, can make the fluid that each shower nozzle on the shower exported more even relatively to the realization obtains better maintenance effect that sprays under the prerequisite of water conservation.
Because different case roof beams have different sizes and shapes, for making the shower have the commonality, and its shower nozzle orientation is easily controlled on it, sets up as: the spray pipe is formed by connecting a plurality of pipe sections in series, and the pipe sections are connected through flanges.
For making spray equipment at the during operation, can divide regional output of control shower water according to the maintenance actual need, set up to: each pipe section is connected with a pipe joint, each pipe section is a blind pipe with two closed ends, and each water pump can work independently.
The construction method comprises a using method of spraying equipment, the walking track is laid on the box girder along the length direction of the box girder, each end of the walking track is provided with a travel switch, and the walking vehicle is controlled to do linear reciprocating motion on the walking track according to the position of the walking vehicle obtained by the travel switches. According to the scheme, the travel switch is utilized to provide judgment basis for the in-place condition of the walking vehicle.
The travel control device is characterized by further comprising a control module, wherein the signal output end of the travel switch is connected with the signal input end of the control module, the signal output end of the control module is connected with a control system of the traveling vehicle, and the traveling vehicle can move on the traveling rail in an automatic control mode through the control module. The scheme provides a spraying equipment implementation scheme capable of working automatically.
The construction method comprises a using method of spraying equipment, and a spray head on the spraying pipe is an atomizing nozzle. The scheme provides a realization scheme which can enable the water body to spray more uniformly.
The water pump used for providing water for the spray pipe is a piston pump. The scheme provides an implementation scheme which is easier to obtain higher water pressure.
The utility model discloses following beneficial effect has:
this scheme provides a concrete spraying equipment implementation, and in this scheme, through setting up to the pipeline frame establishes the closed loop configuration in the case roof beam outside for a cover with the assembly that the walking car formed, and like this, the walking car can exert the restraint for two tip of pipeline frame in fact, like this, can effectively reduce the pipeline frame vibration intensity that the shower induced at the during operation to reach and do benefit to spraying equipment life and safety in utilization's purpose.
Simultaneously based on the structural design of the spraying equipment, the scheme also provides a dismounting method of the spraying equipment, which comprises the following steps: because the pipeline frame that this scheme provided includes the lower frame, and strides empty case roof beam bottom unsettled, so this scheme provides a pipeline frame assembly and does not rely on the die carrier, adopts the construction method that single crane can implement the dismouting.
Specifically, when the lower frame and the side frame are assembled by a single crane to complete the disassembly and assembly of the pipeline frame, the lower frame needs to be positioned at the lower side of the box girder, so the box girder is actually an obstacle in the hoisting process, the hoisting safety is considered, the hoisting steel wire on the crane is not allowed to be in contact with the box girder, and in order to avoid the above conditions, if a fixed pulley is selected to be arranged on each of two sides of the upper end of the box girder, thus, not only is a device for construction increased, but also the problem of fixing the fixed pulley and the box girder needs to be considered, and meanwhile, the appearance of the box girder is also unfavorable for the fixation. So in this scheme, adopt the hoist as above providing when concrete construction: the lifting appliance comprises a cross bar and a winch arranged in the middle of the cross bar, a winch steel rope is wound on the winch, the winch steel rope is provided with two leading-out sections led out relative to the winch, the two leading-out sections extend downwards from different ends of the cross bar, and when the winch works, the two leading-out sections are synchronously wound or released;
the concrete hoisting is as follows: after the walking vehicle is arranged on the box girder through the walking track, the connection between the upper frame and the walking vehicle is completed; the connection between the cross bar and a hoisting steel rope on a crane is completed, and the cross bar is in a horizontal state;
and then, the upper ends of the two side frames are respectively connected with the lower ends of different leading-out sections, the position of the cross bar in the space is controlled by a crane, and the position of the combination body relative to the cross bar is controlled by a winch, so that the assembly and disassembly are completed.
Thus, when the pipeline frame is installed, the cross rod needs to be positioned at the upper side of the box girder, and the length of the suspension arm of the crane is fixed, at the moment, if the overhead height of the box girder is higher, after the crane restrains the cross rod through the hoisting steel wire, the hoisting machine on the cross rod hoists the lower frame and the side frame assembly on the ground to a position close to the lower part of the box girder by using the hoisting steel wire, and then the hoisting steel wire hoists and moves the cross rod to complete the matching of the relative positions of the upper frame and the lower frame so as to conveniently complete the connection; the above combination is released to be completed by the hoist, for example, when the disassembly of the pipe rack is completed. This scheme of adoption promptly, no matter the installation of above assembly or dismantlement, owing to inject the position of the flagging paragraph upper end of each section of drawing forth through the horizontal pole, under the condition that adopts a crane, also do not need to set up the condition like devices such as fixed pulley between box girder and wire rope, realize that there is not the problem that box girder influences wire rope in the dismouting in-process of conduit bracket. Simultaneously, owing to adopt single crane can realize the dismouting of pipeline frame, the structural design of above pipeline frame makes it need not rely on the die carrier at the application in-process in this scheme, avoids spraying the maintenance process and occupies the die carrier and influence the efficiency of construction of whole engineering. The scheme also provides a construction method which is easy to realize that the dismounting and the mounting of the spraying equipment are independent of the die carrier and the dismounting and the mounting of the spraying equipment are easy to realize.
Drawings
Fig. 1 is a schematic structural view of a combined body obtained after a spraying device is matched with a box girder in a specific embodiment of a construction structure of an empty box girder;
fig. 2 is a schematic view of a connection relationship between a side frame and a lower frame of an upper pipe rack of a spraying device in a specific embodiment of a construction structure for an empty box girder according to the present invention;
fig. 3 is a schematic view of a spray pipe in an embodiment of the construction structure for an empty box girder according to the present invention;
fig. 4 is a specific embodiment of an astride box girder construction structures, reflect structure, hoist of hoist and the schematic diagram of lifting by crane steel wire relation of connection.
The labels in the figure are respectively: 1. the water tank, 3, the water pump, 4, the pipe rack, 5, the walking track, 6, the side frame, 7, the articulated shaft, 8, the lower frame, 9, the shower, 10, the coupling, 11, the horizontal pole, 12, the hoist engine, 13, the hoist steel cable, 14, the hoist steel cable, 15, the last frame.
Detailed Description
The present invention will be described in further detail with reference to the following examples, but the present invention is not limited to the following examples:
example 1:
as shown in fig. 1 to 4, an empty box girder construction structure comprises spraying equipment for spraying and maintaining the outer wall of a box girder, wherein the spraying equipment comprises a walking vehicle 1, a plurality of walking rails 5 serving as rails of the box girder walking vehicle 1, a pipeline frame 4 fixedly connected with the walking vehicle 1, and a spraying pipe 9 laid on the pipeline frame 4;
the assembly formed by the pipeline frame 4 and the walking vehicle 1 is a closed annular structure sleeved on the outer side of the box girder;
the pipeline frame 4 comprises two upper frames 15, two side frames 6 and a lower frame 8, wherein one end of each upper frame 15 is fixedly connected with the walking vehicle 1, one side frame 6 is connected with each end of the lower frame 8, and the free end of each side frame 6 is respectively connected with different upper frames 15;
when spraying equipment dismouting, accomplish the hoist and mount by the assembly that side frame 6, lower frame 8 formed through the hoist: the lifting appliance comprises a cross bar 11 and a winch 12 arranged in the middle of the cross bar 11, wherein a winch steel rope 13 is wound on the winch 12, the winch steel rope 13 is provided with two leading-out sections led out relative to the winch 12, the two leading-out sections extend downwards from different ends of the cross bar 11, and when the winch 12 works, the two leading-out sections are synchronously wound or released;
the concrete hoisting is as follows: after the walking vehicle 1 is installed on the box girder through the walking rail 5, the connection between the upper frame 15 and the walking vehicle 1 is completed; the connection between the cross bar 11 and a hoisting steel rope 14 on a crane is completed, and the cross bar 11 is in a horizontal state;
then, the upper ends of the two side frames 6 are respectively connected with the lower ends of different leading-out sections, the position of the cross bar 11 in the space is controlled through a crane, and the position of the combined body relative to the cross bar 11 is controlled through a winch 12, so that the combined body is assembled and disassembled.
Among the prior art, to the maintenance that sprays of cast-in-place case roof beam, the pipeline frame 4 that is used for supporting shower 9 that adopts generally is a cantilever beam structure, and because shower 9 itself is longer, so pipeline frame 4 generally covers the top, lateral wall and the lower part of case roof beam, at shower 9 during operation, generally has great vibration on pipeline frame 4, and above vibration not only influences the effect of spraying, can accelerate pipeline frame 4 fatigue simultaneously, is unfavorable for spraying equipment's life and safety in utilization.
Based on above problem, this scheme provides a concrete equipment implementation of spraying, and in this scheme, through setting up to the assembly that conduit frame 4 and walking car 1 formed establishes the closed loop configuration in the case roof beam outside for a cover, and like this, walking car 1 can in fact exert the restraint for two tip of conduit frame 4, like this, can effectively reduce the conduit frame 4 vibration intensity that shower 9 induced at the during operation to reach and do benefit to the purpose that sprays equipment life and safety in utilization.
Simultaneously based on the structural design of the spraying equipment, the scheme also provides a dismounting method of the spraying equipment, which comprises the following steps: because the pipeline frame 4 that this scheme provided includes the lower frame 8, and strides empty box girder bottom unsettled, so this scheme provides a pipeline frame 4 assembly and does not rely on the die carrier, adopts the construction method that the dismouting can be implemented to the single crane.
Specifically, when the assembly formed by the lower frame 8 and the side frames 6 is hoisted by a single crane to complete the disassembly and assembly of the pipeline frame 4, the lower frame 8 needs to be positioned at the lower side of the box girder, so the box girder is actually an obstacle in the hoisting process, the hoisting safety is considered, the contact between a hoisting steel wire on the crane and the box girder is not allowed, and if a fixed pulley is selected to be arranged on both sides of the upper end of the box girder for avoiding the above conditions, not only is a device for construction increased, but also the fixing problem of the fixed pulley and the box girder needs to be considered, and meanwhile, from the appearance of the box girder, the fixation is also unfavorable for the appearance of the box girder. So in this scheme, adopt the hoist as above providing when concrete construction: the lifting appliance comprises a cross bar 11 and a winch 12 arranged in the middle of the cross bar 11, wherein a winch steel rope 13 is wound on the winch 12, the winch steel rope 13 is provided with two leading-out sections led out relative to the winch 12, the two leading-out sections extend downwards from different ends of the cross bar 11, and when the winch 12 works, the two leading-out sections are synchronously wound or released;
the concrete hoisting is as follows: after the walking vehicle 1 is installed on the box girder through the walking rail 5, the connection between the upper frame 15 and the walking vehicle 1 is completed; the connection between the cross bar 11 and a hoisting steel rope 14 on a crane is completed, and the cross bar 11 is in a horizontal state;
then, the upper ends of the two side frames 6 are respectively connected with the lower ends of different leading-out sections, the position of the cross bar 11 in the space is controlled through a crane, and the position of the combined body relative to the cross bar 11 is controlled through a winch 12, so that the combined body is assembled and disassembled.
Thus, when the pipeline frame 4 is installed, the cross rod 11 needs to be positioned at the upper side of the box girder, and the length of the suspension arm of the crane is fixed, at this time, if the overhead height of the box girder is higher, after the crane restrains the cross rod 11 through the hoisting steel wire, the hoisting machine 12 on the cross rod 11 uses the hoisting steel rope 13 to hoist the combination of the lower frame 8 and the side frame 6 on the ground to a position close to the lower part of the box girder, and then the cross rod 11 is lifted and moved through the hoisting steel wire, so that the relative position matching of the combination and the upper frame 15 is completed to facilitate the connection; the above assembly is released by the hoist 12, for example, upon completion of the disassembly of the pipe rack 4. By adopting the scheme, no matter the assembly is mounted or dismounted, the position of the upper end of the drooping paragraph of each leading-out section is limited by the cross rod 11, so that the problem that the steel wire rope is influenced by the box girder does not exist in the dismounting process of the pipeline frame 4 under the condition that a crane is adopted and devices such as a fixed pulley do not need to be arranged between the box girder and the steel wire rope. Simultaneously, owing to adopt single crane can realize 4 dismouting of pipeline frame, the structural design of above pipeline frame 4 makes it need not rely on the die carrier at the application in-process in this scheme, avoids spraying the maintenance process and occupies the die carrier and influence the efficiency of construction of whole engineering. The scheme also provides a construction method which is easy to realize that the dismounting and the mounting of the spraying equipment are independent of the die carrier and the dismounting and the mounting of the spraying equipment are easy to realize.
Example 2:
the present embodiment is further limited on the basis of embodiment 1, and as shown in fig. 1 to 4, in order to facilitate the connection of the pipe rack 4, the following are provided: lower frame 8 all is connected through articulated shaft 7 is articulated with side frame 6, and the axis of articulated shaft 7 is parallel with the length direction of case roof beam, and the assembly is 15 bolted connection with last frame, when carrying out the assembly with last frame 15, through lower frame 8 and side frame 6 around articulated shaft 7 relative rotation, the bolted connection position of matching assembly and last frame 15.
Because the upper frame 15 and the lower frame 8 need to have larger rigidity compared with the side frame 6, as an implementation scheme with light weight and good bending resistance, the implementation scheme is set as follows: the upper frame 15 and the lower frame 8 are both truss structures.
The construction method comprises a using method of spraying equipment, wherein the spraying equipment comprises a water tank 2, a water pump 3 and a spraying pipe 9, wherein the water tank 2 and the water pump 3 are installed on a walking vehicle 1, and the spraying pipe 9 is laid along a pipeline frame 4;
along the extension direction of the spray pipe 9, a plurality of pipe joints 10 are arranged on the spray pipe 9 at intervals;
the number of the water pumps 3 is equal to that of the pipe joints 10, each pipe joint 10 is connected with an independent water pump 3, and the water pumps 3 are used for pumping water in the water tank 2 and pumping the water into the spraying pipes 9 through the pipe joints 10. In this scheme, because spraying equipment can cover the top surface, the side and the bottom surface of case roof beam, adopt above scheme, pass through coupling 10 moisturizing through 9 subsections of shower, can be so that the fluid that each shower nozzle on the shower 9 was exported is more even relatively to the realization obtains better maintenance effect that sprays under the prerequisite of water conservation.
Since different box girders have different sizes and shapes, in order to make the shower pipes 9 have versatility and the orientation of the spray heads thereon is easy to control, the arrangement is: the spray pipe 9 is formed by connecting a plurality of pipe sections in series, and the pipe sections are connected through flanges.
For making spray equipment at the during operation, can divide regional output of control shower water according to the maintenance actual need, set up to: each pipe section is connected with a pipe joint 10, each pipe section is a blind pipe with two closed ends, and each water pump 3 can work independently.
The construction method comprises a using method of spraying equipment, wherein the walking track 5 is laid on the box girder along the length direction of the box girder, each end of the walking track 5 is provided with a travel switch, and the walking vehicle 1 is controlled to do linear reciprocating motion on the walking track 5 according to the position of the walking vehicle 1 obtained by the travel switches. By adopting the scheme, the travel switch is utilized to provide judgment basis for the in-place condition of the walking vehicle 1.
The travel control device is characterized by further comprising a control module, wherein the signal output end of the travel switch is connected with the signal input end of the control module, the signal output end of the control module is connected with the control system of the traveling vehicle 1, and the movement of the traveling vehicle 1 on the traveling track 5 is automatically controlled through the control module. The scheme provides a spraying equipment implementation scheme capable of working automatically.
The construction method comprises a using method of spraying equipment, and a spray head on the spraying pipe 9 is an atomizing nozzle. The scheme provides a realization scheme which can enable the water body to spray more uniformly.
The water pump 3 for providing a body of water for the shower 9 is a piston pump. The scheme provides an implementation scheme which is easier to obtain higher water pressure.
The foregoing is a more detailed description of the present invention, taken in conjunction with the specific preferred embodiments thereof, and it is not intended that the invention be limited to the specific embodiments thereof. To the utility model belongs to the technical field of the ordinary skilled person say, do not deviate from the utility model discloses a other embodiments that reach under the technical scheme all should be contained the utility model discloses a within the scope of protection.
Claims (10)
1. A cross-empty box girder construction structure comprises spraying equipment for spraying and maintaining the outer wall of a box girder, and is characterized in that the spraying equipment comprises a walking vehicle (1), a plurality of walking rails (5) serving as the rails of the box girder walking vehicle (1), a pipeline frame (4) fixedly connected with the walking vehicle (1), and a spraying pipe (9) laid on the pipeline frame (4);
the assembly formed by the pipeline frame (4) and the walking vehicle (1) is a closed annular structure sleeved on the outer side of the box girder;
the pipeline frame (4) comprises two upper frames (15), two side frames (6) and a lower frame (8), wherein one end of each upper frame (15) is fixedly connected with the walking vehicle (1), each end of the lower frame (8) is connected with one side frame (6), and the free end of each side frame (6) is connected with the different upper frames (15) respectively.
2. The empty box girder construction structure is characterized in that the lower frame (8) and the side frames (6) are hinged through hinge shafts (7), the axes of the hinge shafts (7) are parallel to the length direction of the box girder, the combined body is connected with the upper frame (15) through bolts, and when the combined body is assembled with the upper frame (15), the bolt connection positions of the combined body and the upper frame (15) are matched through the relative rotation of the lower frame (8) and the side frames (6) around the hinge shafts (7).
3. A cross-empty box girder construction structure according to claim 1, wherein the upper frame (15) and the lower frame (8) are truss structures.
4. The construction structure for spanning empty box girders according to claim 1, wherein the spraying equipment comprises a water tank (2) and a water pump (3) mounted on a walking vehicle (1), and a spraying pipe (9) laid along a pipe rack (4);
along the extension direction of the spray pipe (9), a plurality of pipe joints (10) are arranged on the spray pipe (9) at intervals;
the number of the water pumps (3) is equal to that of the pipe joints (10), each pipe joint (10) is connected with an independent water pump (3), and the water pumps (3) are used for pumping water in the water tank (2) and pumping the water into the spray pipes (9) through the pipe joints (10).
5. The construction structure of the cross-empty box girder according to claim 4, characterized in that the spraying pipe (9) is formed by connecting a plurality of pipe sections in series, and the pipe sections are connected through flanges.
6. The construction structure of the cross-empty box girder according to claim 5, wherein each pipe section is connected with a pipe joint (10), each pipe section is a blind pipe with two closed ends, and each water pump (3) can work independently.
7. The construction structure of the cross empty box girder according to claim 1, wherein the walking rails (5) are laid on the box girder along the length direction of the box girder, each end of the walking rails (5) is provided with a travel switch, and the walking vehicles (1) are controlled to do linear reciprocating motion on the walking rails (5) according to the positions of the walking vehicles (1) obtained by the travel switches.
8. The construction structure of the cross-empty box girder according to claim 7, characterized by further comprising a control module, wherein the signal output end of the travel switch is connected with the signal input end of the control module, the signal output end of the control module is connected with the control system of the walking vehicle (1), and the movement of the walking vehicle (1) on the walking track (5) is automatically controlled through the control module.
9. The construction structure of a cross-empty box girder according to claim 1, characterized in that the spray heads on the spray pipes (9) are atomizing nozzles.
10. A cross-empty box girder construction structure according to claim 9, characterized in that the water pump (3) for providing a water body for the shower pipes (9) is a piston pump.
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| CN201921653204.XU CN211036711U (en) | 2019-09-30 | 2019-09-30 | Stride empty case roof beam construction structures |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201921653204.XU CN211036711U (en) | 2019-09-30 | 2019-09-30 | Stride empty case roof beam construction structures |
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