CN211897871U

CN211897871U - Special construction equipment for paving steel box girder bridge deck

Info

Publication number: CN211897871U
Application number: CN202020016413.XU
Authority: CN
Inventors: 孙峰; 张仲夏; 宋佳佳; 周帼峰; 王盘峰; 杨鹏; 郭万涛; 杨帅; 李泰洋; 程霄鹏
Original assignee: Henan No2 Highway Engineering Co ltd; Henan Highway Engineering Group Co Ltd
Current assignee: Henan No2 Highway Engineering Co ltd; Henan Highway Engineering Group Co Ltd
Priority date: 2020-01-06
Filing date: 2020-01-06
Publication date: 2020-11-10
Anticipated expiration: 2030-01-06

Abstract

The utility model belongs to the technical field of bridge deck pavement equipment, in particular to special construction equipment for paving a steel box girder bridge deck; the device comprises a power system, a traveling system, a welding system, a spreading system and a paving system, wherein the power system comprises an engine, a gearbox, a transfer case, a hydraulic motor and a hydraulic pump; the welding system comprises a generator, an electric welding machine and a welding guide beam, wherein a welding arm and a welding gun head are arranged on the welding guide beam; the spraying system comprises an emulsified epoxy asphalt storage tank, a hydraulic pump, a spraying pipe and a nozzle; the spreading system comprises a hopper fixedly arranged on the rack, a belt pulley and a transmission belt are arranged below an outlet of the material half, the spreading system also comprises a spreading groove fixed on the rack, and a spiral conveyor is arranged in the spreading groove; the utility model discloses can once only accomplish the work of paving that lug welding, emulsified epoxy asphalt sprinkled cloth and AC13 asphalt concrete, construction speed is fast, the high quality, and is with low costs.

Description

Special construction equipment for paving steel box girder bridge deck

Technical Field

The utility model belongs to the technical field of the bridge deck pavement equipment, concretely relates to steel box girder bridge deck pavement special construction equipment.

Background

The steel box girder is also called a steel plate box girder, is a common structural form of a large-span bridge, is generally used on a bridge with a larger span, and is called a steel box girder because the shape is like a box; in a large-span cable support bridge, the span of a steel box girder reaches hundreds of meters and thousands of meters, the steel box girder is generally divided into a plurality of girder sections for manufacturing and installation, and the cross section of the steel box girder has the characteristics of wide width and flat appearance; the steel box girder has the following advantages: (1) the steel box girder support has light weight and saves steel; because the box girder can more effectively exert the bearing capacity of the steel plate, the orthotropic steel bridge deck and the box girder using the thin steel plate as the beam rib and the bottom plate save about 20 percent of steel compared with the girder bridge, the longer the span is, and the lower part structure cost of the bridge can be reduced by 5 to 15 percent because the dead weight of the upper part structure is reduced; (2) the steel box girder support has high bending and torsional rigidity; the closed hollow section is determined by the characteristics of the closed hollow section, and the material quantity is the same, so that the closed hollow section can provide larger bending rigidity and torsional rigidity than other section forms, and is particularly suitable for curved bridges and linear bridges bearing larger eccentric loads; (3) the construction is convenient; the steel box girder support is rapid in installation, convenient for maintaining the box girder, and capable of being manufactured into a large installation unit in a factory, so that the number of connecting bolts in a construction site is reduced, longitudinal dragging or jacking erection is facilitated during construction, the steel box girder support is simple in structure and convenient for painting, and the steel box girder support is more easily resistant to corrosion due to the fact that the inside of the steel box girder support is a closed space; (4) the steel box girder support is suitable for being made into a continuous girder because the section form of the steel box girder support can provide almost equal capability of bearing positive and negative bending moments; (5) the steel box girder support has novel structure and simple and beautiful appearance.

However, the steel box girder also has a problem that the steel box girder has a great difficulty in bridge deck pavement construction, because a common pavement material is difficult to bond with the steel bridge deck, the steel box girder bridge deck pavement mostly adopts an emulsified epoxy asphalt bonding layer + AC13 structure at present, a bump is further arranged on the steel box girder bridge deck in order to increase the shearing force, the steel box girder bridge deck pavement does not have a special construction machine at present, the traditional machine is still adopted, and the problems of poor construction quality, low speed and the like exist, so that the development of the special construction equipment for the steel box girder bridge deck pavement can improve the construction quality of the steel box girder bridge deck pavement, accelerate the construction progress and save the construction cost, which is necessary.

SUMMERY OF THE UTILITY MODEL

The utility model aims at overcoming the not enough of prior art, and provide a rational in infrastructure, convenient operation can effectively improve the steel box girder bridge deck construction quality of mating formation for the construction progress practices thrift construction cost, reduces operation intensity of labour's steel box girder bridge deck special construction equipment of mating formation.

The purpose of the utility model is realized like this: the special construction equipment for paving the steel box girder bridge deck comprises a power system and a traveling system, wherein the power system is arranged in a frame of the construction equipment, the power system comprises an engine, the engine is connected with a gearbox, the gearbox is connected with a transfer case, the transfer case is connected with a hydraulic motor, and the hydraulic motor is connected with a first hydraulic pump; the walking systems are arranged on the left side and the right side of the lower part of the rack, and the walking systems are powered by the power system; the welding system is arranged on the left side inside the rack and comprises a generator, the generator is connected with an electric welding machine, the welding system further comprises a welding guide beam, the welding guide beam is arranged at the left end of the rack, a welding arm is arranged on the welding guide beam and connected with a welding gun head, and the electric welding machine is electrically connected with the welding arm through a wire; a spraying system is arranged in the middle of the rack and comprises an emulsified epoxy asphalt storage box, an outlet of the emulsified epoxy asphalt storage box is connected with a second hydraulic pump, the second hydraulic pump is connected with a spraying pipe, the spraying pipe is connected with a nozzle, and the nozzle is arranged on a spraying frame fixedly arranged on the rack; the right part of frame is provided with the paving system, the paving system is including fixed the setting hopper in the frame, the export below of hopper is provided with belt pulley and transmission belt, the paving system is still including fixing the groove of paving in the frame, the inslot portion of paving is provided with the screw feeder.

The welding system, the spraying system and the paving system are powered by the power system when working.

The running system adopts a crawler-type running gear which comprises a guide wheel, a supporting belt wheel, a thrust wheel, a driving wheel and a crawler.

The welding gun head comprises a welding clamp and a welding rod.

The welding arm is connected with the welding guide beam in a sliding mode, and the welding position of the lug on the steel bridge deck is adjusted by enabling the welding arm to move horizontally on the welding guide beam left and right.

The welding arm is a universal arm capable of rotating back and forth and left and right, and the welding gun head can be driven by the welding arm to move to complete the welding of the lug on the steel bridge deck.

And a scraper is arranged on the transmission belt.

And the upper part and the lower part of the spiral material conveyor are provided with spiral blades with opposite rotation directions, so that materials conveyed to the paving groove from the conveying belt can be conveyed from the middle part to two sides.

The utility model has the advantages that: the construction equipment of the utility model mainly comprises a power system, a traveling system, a welding system, a spreading system and a paving system, wherein the power system comprises an engine, a gearbox, a transfer case, a hydraulic motor and a hydraulic pump, which can provide mechanical power or hydraulic power support for other systems during working, and the traveling system can adopt a traditional tire type or crawler type traveling device as required, so that the device has stronger practicability; the lug is an iron block and is used for increasing the connecting force between the bridge deck pavement layer and the steel bridge deck and improving the shearing resistance of the bridge deck pavement layer, the welding system can weld the lug on the steel bridge deck through the electric welding machine, the welding arm and the welding gun head, the generator can provide electric power required by the operation for the electric welding machine, and the welding position of the lug on the steel bridge deck can be adjusted by adjusting the position of the welding wall on the welding guide beam; the spraying system conveys the emulsified epoxy asphalt in the emulsified epoxy asphalt storage tank to each nozzle through a spraying pipe by a hydraulic pump, and finally the emulsified epoxy asphalt is sprayed onto the steel bridge deck through the nozzles; the paving system conveys the materials in the hopper into a paving groove through a conveying belt, and paves AC13 asphalt concrete on the bridge surface after emulsified epoxy asphalt is spread through a spiral conveyor, so that the pavement of the steel box girder bridge surface is completed; the construction equipment can also comprise a control device consisting of a control element, control software and an operation switch, can realize the control of the advancing speed, the welding position, the spraying speed and the paving speed of the whole machine, and improves the practicability of the construction equipment; the utility model discloses rational in infrastructure, convenient to use can once only accomplish the work of paving that lug welding, emulsified epoxy asphalt sprinkled and AC13 asphalt concrete, and the construction speed is fast, and the high quality is with low costs, has reduced staff's the operation degree of difficulty and intensity of labour, has improved work efficiency.

Drawings

FIG. 1 is the utility model discloses steel box girder bridge deck pavement special construction equipment's schematic structure diagram.

In the figure: 1. the welding gun comprises a welding gun head 2, a welding arm 3, a spray frame 4, a frame 5, a nozzle 6, a driving wheel 7, an engine 8, a gearbox 9, a supporting belt wheel 10, a transfer case 11, a hydraulic motor 12, a supporting wheel 13, a first hydraulic pump 14, a crawler belt 15, a guide wheel 16, a spiral conveyor 17, a conveying belt 18, a scraper 19, a belt pulley 20, a hopper 21, a paving groove 22, a control device 23, a generator 24, an electric welding machine 25, an emulsified epoxy asphalt storage tank 26, a second hydraulic pump 27, a welding guide beam 28, a bump 29, a welding rod 30 and a distribution pipe.

Detailed Description

The present invention will be further described with reference to the accompanying drawings.

Example 1

As shown in fig. 1, the construction equipment specially used for paving the steel box girder bridge deck comprises a power system and a traveling system, wherein the power system is arranged in a frame 4 of the construction equipment, the power system comprises an engine 7, the engine 7 is connected with a gearbox 8, the gearbox 8 is connected with a transfer case 10, the transfer case 10 is connected with a hydraulic motor 11, and the hydraulic motor 11 is connected with a first hydraulic pump 13; the walking systems are arranged on the left side and the right side of the lower part of the rack 4, and the walking systems are powered by the power system; a welding system is arranged on the left side inside the rack 4, the welding system comprises a generator 23, the generator 23 is connected with an electric welding machine 24, the welding system further comprises a welding guide beam 27, the welding guide beam 27 is arranged on the left end of the rack 4, a welding arm 2 is arranged on the welding guide beam 27, the welding arm 2 is connected with a welding gun head 1, and the electric welding machine 24 is electrically connected with the welding arm 2 through a wire; a spraying system is arranged in the middle of the rack 4 and comprises an emulsified epoxy asphalt storage tank 25, an outlet of the emulsified epoxy asphalt storage tank 25 is connected with a second hydraulic pump 26, the second hydraulic pump 26 is connected with a spraying pipe 30, the spraying pipe 30 is connected with a nozzle 5, and the nozzle 5 is arranged on a spraying frame 3 fixedly arranged on the rack 4; the right part of frame 4 is provided with paving system, paving system is including fixed the setting hopper 20 in the frame 4, the export below of hopper 20 is provided with belt pulley 19 and transmission belt 17, paving system is still including fixing the groove 21 that paves in frame 4, pave the inside screw feeder 16 that is provided with in groove 21.

The utility model discloses a construction equipment mainly comprises driving system, traveling system, welding system, spills cloth system and paving system, and wherein driving system includes engine 7, gearbox 8, transfer case 10, hydraulic motor 11 and first hydraulic pump 13, can provide mechanical power or hydraulic power support for other each system during operation, and traveling system can adopt traditional tire formula or crawler-type running gear as required, makes this device practicality stronger; the bump 28 is an iron block and is used for increasing the connecting force between the bridge deck pavement layer and the steel bridge deck and improving the shearing resistance of the bridge deck pavement layer, the bump 28 can be welded on the steel bridge deck by the welding system through the electric welding machine 24, the welding arm 2 and the welding gun head 1, the generator 23 can provide electric power required by operation for the electric welding machine 24, and the welding position of the bump 28 on the steel bridge deck can be adjusted by adjusting the position of the welding wall 2 on the welding guide beam 27; the emulsified epoxy asphalt in the emulsified epoxy asphalt storage tank 25 is conveyed to each nozzle 5 by the distribution system through a second hydraulic pump 26 through a distribution pipe 30, and finally the emulsified epoxy asphalt is sprayed onto the steel bridge deck through the nozzles 5; the paving system conveys the materials in the hopper 20 into the paving groove 21 through the conveying belt 17, and paves AC13 asphalt concrete on the bridge surface after emulsified epoxy asphalt is spread through the spiral conveyor 16, so as to finish the pavement of the steel box girder bridge surface; the construction equipment can also comprise a control device 22 consisting of a control element, control software and an operation switch, can realize the control of the advancing speed, the welding position, the spraying speed and the paving speed of the whole machine, and improves the practicability of the construction equipment; the utility model discloses rational in infrastructure, convenient to use can once only accomplish the work of paving that lug welding, emulsified epoxy asphalt sprinkled and AC13 asphalt concrete, and the construction speed is fast, and the high quality is with low costs, has reduced staff's the operation degree of difficulty and intensity of labour, has improved work efficiency.

Example 2

For better effect, the welding system, spill the distribution system, paving system during operation all by driving system provides power, but make full use of engine 7's power provides mechanical or hydraulic power for other each systems, improves this construction equipment's energy utilization ratio, reduces its volume, strengthens its practicality.

For better effect, the running system adopts a crawler-type running gear comprising a guide wheel 15, a supporting belt wheel 9, a thrust wheel 12, a driving wheel 6 and a crawler 14, so that stable running capability is provided for the construction equipment, and the applicability of the construction equipment in various construction environments is improved.

For better effect, the welding gun head 1 comprises a welding clamp and a welding rod 29, the welding clamp can be used for clamping different types of welding rods 19, and the welding of the projection 28 is completed in the advancing process of the construction equipment.

For better effect, the welding arm 2 with welding nose girder 27 sliding connection, through making the welding arm 2 is in translation about on the welding nose girder 27 to the welding position of adjustment lug 28 on the steel bridge face can be realized to different positions and interval the welding of lug 28 strengthens this construction equipment's practicality.

For better effect, the welding arm 2 is a universal arm capable of rotating back and forth and left and right, the welding gun head 1 can be driven by the welding arm 2 to move to complete the welding of the bump 28 on the steel bridge surface, and the angle of the welding arm 2 can be adjusted as required during welding to adapt to complex construction environments of a construction site and better complete welding tasks.

For better effect, be equipped with the scraper blade 18 on the transmission belt 17, the accessible the scraper blade 18 more effectively with the material transfer to the groove of paving to accomplish the work of paving to steel box girder bridge floor better.

For better effect, helical blades with opposite rotation directions are arranged at the upper part and the lower part of the spiral conveyor 16, so that the materials conveyed to the paving groove 21 from the conveying belt 17 can be conveyed from the middle part to two sides, and then the materials are uniformly paved on the steel box girder bridge deck after the emulsified epoxy asphalt is spread, and the paving work of the bridge deck is completed.

Claims

1. Steel box girder bridge deck pavement special construction equipment, it is including driving system and traveling system, its characterized in that: the power system is arranged in a frame (4) of the construction equipment and comprises an engine (7), the engine (7) is connected with a gearbox (8), the gearbox (8) is connected with a transfer case (10), the transfer case (10) is connected with a hydraulic motor (11), and the hydraulic motor (11) is connected with a first hydraulic pump (13); the walking systems are arranged on the left side and the right side of the lower part of the rack (4), and the walking systems are powered by the power system; a welding system is arranged on the left side inside the rack (4), the welding system comprises a generator (23), the generator (23) is connected with an electric welding machine (24), the welding system further comprises a welding guide beam (27), the welding guide beam (27) is arranged at the left end of the rack (4), a welding arm (2) is arranged on the welding guide beam (27), the welding arm (2) is connected with a welding gun head (1), and the electric welding machine (24) is electrically connected with the welding arm (2) through a wire; a spraying system is arranged in the middle of the rack (4), the spraying system comprises an emulsified epoxy asphalt storage tank (25), an outlet of the emulsified epoxy asphalt storage tank (25) is connected with a second hydraulic pump (26), the second hydraulic pump (26) is connected with a spraying pipe (30), the spraying pipe (30) is connected with a nozzle (5), and the nozzle (5) is arranged on a spraying frame (3) fixedly arranged on the rack (4); the right part of frame (4) is provided with the paving system, the paving system is including fixed the setting hopper (20) on frame (4), the export below of hopper (20) is provided with belt pulley (19) and transmission belt (17), the paving system is still including fixing paving groove (21) in frame (4), inside spiral material conveyor (16) that is provided with of paving groove (21).

2. The special construction equipment for paving the steel box girder bridge deck according to claim 1, characterized in that: the welding system, the spraying system and the paving system are powered by the power system when working.

3. The special construction equipment for paving the steel box girder bridge deck according to claim 1, characterized in that: the running system adopts a crawler-type running gear which comprises a guide wheel (15), a supporting wheel (9), a thrust wheel (12), a driving wheel (6) and a crawler (14).

4. The special construction equipment for paving the steel box girder bridge deck according to claim 1, characterized in that: the welding gun head (1) comprises a welding clamp and a welding rod (29).

5. The special construction equipment for paving the steel box girder bridge deck according to claim 1, characterized in that: the welding arm (2) is connected with the welding guide beam (27) in a sliding mode, and the welding position of the lug (28) on the steel bridge deck is adjusted by enabling the welding arm (2) to translate left and right on the welding guide beam (27).

6. The special construction equipment for paving the steel box girder bridge deck according to claim 5, characterized in that: the welding arm (2) is a universal arm capable of rotating front and back, left and right, and the welding gun head (1) can be driven by the welding arm (2) to move to complete the welding of the bump (28) on the steel bridge deck.

7. The special construction equipment for paving the steel box girder bridge deck according to claim 1, characterized in that: and a scraper (18) is arranged on the transmission belt (17).

8. The special construction equipment for paving the steel box girder bridge deck according to claim 1, characterized in that: helical blades with opposite rotation directions are arranged at the upper part and the lower part of the helical conveyer (16), and materials conveyed into the paving groove (21) from the conveying belt (17) can be conveyed from the middle part to two sides.