CN115522749B - A track construction platform used for binding reinforcement bars on the top slab of prefabricated box beams - Google Patents
A track construction platform used for binding reinforcement bars on the top slab of prefabricated box beams Download PDFInfo
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- CN115522749B CN115522749B CN202211351688.9A CN202211351688A CN115522749B CN 115522749 B CN115522749 B CN 115522749B CN 202211351688 A CN202211351688 A CN 202211351688A CN 115522749 B CN115522749 B CN 115522749B
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- 238000010276 construction Methods 0.000 title claims abstract description 89
- 230000002787 reinforcement Effects 0.000 title claims description 7
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 125
- 239000010959 steel Substances 0.000 claims abstract description 125
- 238000012546 transfer Methods 0.000 claims abstract description 12
- 229910001294 Reinforcing steel Inorganic materials 0.000 claims description 11
- 238000000034 method Methods 0.000 claims description 6
- 238000010586 diagram Methods 0.000 description 4
- 238000009417 prefabrication Methods 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 230000001360 synchronised effect Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000003137 locomotive effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
- E04G21/12—Mounting of reinforcing inserts; Prestressing
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- Architecture (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
本发明提供了一种预制箱梁顶板钢筋绑扎的轨道施工平台，包括钢筋绑扎胎架，钢筋绑扎胎架包括支架，横梁间隔设置在支架上，并沿着支架的纵向方向延伸设置；在左、右侧横梁上从外向内依次设置有轨道，钢筋纵向定位梁，钢筋横向定位梁，在中间横梁上设置有角钢梁定位支架，用于定位和支撑角钢梁；轨道，钢筋纵向定位梁，钢筋横向定位梁，角钢梁定位支架，钢梁，均沿着支架的纵向延伸；还包括轨道施工平台，轨道施工平台包括底板，底板的下方设置有滑轮，滑轮能够支撑在轨道上，并沿着轨道移动；还包括设置在底板中部的电机，电机通过分动系统驱动轨道施工平台的升降系统和移动系统。该施工平台自动化程度高，提高了钢筋绑扎的效率。
The invention provides a track construction platform for tying steel bars of a prefabricated box beam top plate, comprising a steel bar tying frame, the steel bar tying frame comprising a bracket, a cross beam arranged on the bracket at intervals and extending along the longitudinal direction of the bracket; tracks, steel bar longitudinal positioning beams, and steel bar transverse positioning beams are arranged on the left and right cross beams from outside to inside in sequence, and an angle steel beam positioning bracket is arranged on the middle cross beam for positioning and supporting the angle steel beam; the tracks, the steel bar longitudinal positioning beams, the steel bar transverse positioning beams, the angle steel beam positioning bracket, and the steel beam all extend in the longitudinal direction of the bracket; the track construction platform also comprises a bottom plate, a pulley is arranged below the bottom plate, the pulley can be supported on the track and move along the track; and a motor is also arranged in the middle of the bottom plate, and the motor drives the lifting system and the moving system of the track construction platform through a transfer system. The construction platform has a high degree of automation and improves the efficiency of steel bar tying.
Description
Technical Field
The invention relates to a track construction platform, in particular to a track construction platform applied to binding of prefabricated box girder top plate steel bars.
Background
The prefabricated box girder is a key technology for modern bridge construction, and in the prefabrication construction process, how to improve the construction efficiency is the direction of hot spot research. The top plate of the prefabricated box girder needs to be bound with reinforcing steel bars, and then concrete pouring is carried out.
The roof steel bar binding of the existing prefabricated box girder mainly depends on workers to stand on the steel bars for binding, so that the steel bars are easy to tread and bend, and the box girder is difficult to position and straight during binding. Even with safety risks.
Disclosure of Invention
The invention aims to provide a track construction platform for binding reinforcing steel bars of a top plate of a prefabricated box girder, which can overcome the defects of the prior art and ensure the construction efficiency.
Specifically, the invention adopts the following technical scheme:
The track construction platform for binding the steel bars of the top plate of the prefabricated box girder comprises a steel bar binding jig frame, the steel bar binding jig frame comprises a support, the support comprises a left support, a right support and a middle support, cross beams are arranged on the support at intervals and extend along the longitudinal direction of the support, tracks are sequentially arranged on the left cross beam and the right cross beam from outside to inside, a steel bar longitudinal positioning beam, a steel bar transverse positioning beam, an angle steel beam positioning support is arranged on the middle cross beam and used for positioning and supporting the angle steel beams, the tracks, the steel bar longitudinal positioning beam, the steel bar transverse positioning beam, the angle steel beam positioning support and the steel beams extend along the longitudinal direction of the support, the track construction platform comprises a bottom plate, pulleys are arranged below the bottom plate and can be supported on the tracks and move along the tracks, the elevator system and the moving system of the track construction platform are arranged on the left cross beam and the right cross beam, the elevator system comprises an elevator system and a moving system located on four corners of the bottom plate, the elevator system comprises a transfer shaft, the elevator system is fixed on the transfer shaft, and the elevator system can be driven by the elevator system and the driving shaft is driven by the transfer shaft.
Further, a wheel bracket is arranged below the bottom plate, and a pulley is arranged on the wheel bracket;
The pulley has V-shaped sliding grooves, the track has inverted V-shaped sliding rails, and the sliding grooves and the sliding rails are mutually matched.
The steel bar longitudinal positioning beam comprises a plurality of steel plates erected at intervals and connecting steel bars positioned between the steel plates, a containing groove is formed between the two steel plates and used for containing the steel bars, the steel bar transverse positioning beam is used for supporting and positioning steel bars which are transversely arranged, gaps are formed in the steel bar transverse positioning beam at intervals, the gaps are designed and set for interval distances according to the arrangement of the steel bars of the top plate of the prefabricated box girder, the steel bar longitudinal positioning beam comprises a plurality of steel plates erected at intervals, connecting steel bars positioned between the steel plates, and the steel bar transverse positioning beam is used for supporting steel bars which are supported on vertical supporting rods of the steel bar transverse positioning bracket in a right-angle inverted mode.
The four screw lifters are connected into two groups in a way of being perpendicular to the direction of the track, the motor drives the two parallel shafts to rotate in the same direction through the transfer system, each shaft drives the two screw lifters, the four screw lifters drive the lifting rods to lift under the drive of the driving shaft, universal wheels are arranged below each lifting rod, and the four screw lifters finish synchronous lifting actions.
Further, pulleys or chain wheels are arranged on two sides of the V-shaped chute of the pulley, the driving wheel is arranged right above the pulley, pulleys or chain wheels are correspondingly arranged on two sides of the driving wheel, the shaft drives the driving wheel to rotate, and the driving wheel further drives the pulley to rotate through a chain or belt.
Further, an output shaft of the motor is connected with bevel gears, two bevel gears are vertically meshed with two sides of each bevel gear respectively, an input bevel gear which rotates synchronously is arranged on an output shaft of each bevel gear, the output bevel gears are meshed with the input bevel gears arranged on the shafts, and power from the motor is transmitted to the two shafts through a transfer system formed by the bevel gears to drive the two shafts to rotate synchronously and in the same direction.
Further, an electromagnetic clutch is arranged on the shaft and close to each screw rod lifter, the electromagnetic clutch is arranged between each screw rod lifter and the driving wheel, the fixed part of the electromagnetic clutch is arranged on the bottom plate, the input end of the electromagnetic clutch is the shaft, the output end of the electromagnetic clutch is the driving shaft of the screw rod lifter, and the input power of the shaft is input or disconnected into the driving shaft through the electromagnetic clutch.
Further, the construction platform further comprises a cover body, the cover body covers the upper portion of the bottom plate, the lifting, moving and transferring systems are covered from the upper portion, and the top of the cover body is the platform on which constructors stand.
Further, the motor control device also comprises a control device and a power line, wherein the control device is connected with the motor, and is used as a power system and a control system of the motor, and the power line is used for externally connecting a power supply.
The invention also provides an operation method of the track construction platform for binding the steel bars of the top plate of the prefabricated box girder, which comprises the following steps:
constructing a steel bar binding jig frame, wherein the jig frame is constructed according to parameters of a prefabricated box girder top plate to be constructed, and a track is arranged on the jig frame;
Step two, the construction platform is moved to the front of the jig frame, the electromagnetic clutch is controlled to be engaged through the control device, and the lifting control of the construction platform is started;
controlling the construction platform to descend so that pulleys of the construction platform are accurately embedded on the track, and continuously reversing the motor so that lifting rods of the construction platform are continuously retracted;
Step four, the electromagnetic clutch is controlled to be disconnected through the control device, and the rotation of the motor is not transmitted to the lifting system;
Step five, after equipment debugging is finished, the construction platform is moved to a specified starting position, and then operation can be performed;
and step six, the control device drives the motor to rotate at regular time, so that the construction platform moves for a preset distance after a preset time.
The rail type construction platform is used, so that the situation that the bound steel bars are trampled to deform in the binding process of the steel bars can be well avoided;
welding the jig frame by using channel steel and steel plates strictly according to the drawing, so as to ensure that the bound steel bars meet the construction and design requirements;
the pulley block is used for completing the binding and moving construction of the steel bars on the top plate;
the construction efficiency is greatly improved, and the construction quality can be ensured;
binding the steel bars on the jig frame can ensure the linear smoothness and the beautiful appearance of the steel bar framework;
The lifting system is adopted, the defects of the prior art that a lifting platform is adopted for lifting the upper rail and the lower rail are overcome, the self-driving system is adopted, an additional traction system is avoided, and the lifting system and the moving system are driven simultaneously by the same driving device, so that the lifting device is compact in structure and high in adaptability.
Meanwhile, the driving system can automatically control the moving speed and distance, is convenient for binding the reinforcing steel bars and ensures the construction efficiency.
Drawings
FIG. 1 is a schematic view of a rebar tying jig of a track construction platform for rebar tying of a precast box girder roof panel according to an embodiment of the present invention;
FIG. 2 is an overall schematic view of a track construction platform for prefabrication of box girder roof reinforcement tie in accordance with an embodiment of the present invention;
FIG. 3 is a schematic diagram of a drive system for a track construction platform for precast box girder roof reinforcement tie according to an embodiment of the present invention;
FIG. 4 is a schematic view of the structure of the bottom plate of the track construction platform for prefabricating box girder top plate reinforcement bar binding according to an embodiment of the present invention;
FIG. 5 is a schematic diagram showing the cooperation of a bottom plate and a cover of a track construction platform for binding reinforcing steel bars on a top plate of a precast box girder according to an embodiment of the present invention;
FIG. 6 is a schematic diagram of a moving system of a track construction platform for prefabricating box girder roof reinforcement bar ties according to an embodiment of the present invention;
Fig. 7 is a schematic diagram of a transfer system of a track construction platform for prefabrication box girder roof reinforcement bar binding according to an embodiment of the present invention.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings.
As shown in fig. 1, the invention provides a track construction platform for binding reinforcing steel bars of a top plate of a prefabricated box girder, which comprises a reinforcing steel bar binding jig frame, wherein the reinforcing steel bar binding jig frame comprises a bracket 1, the bracket 1 is constructed into three parts by steel rails, cross beams 11 are arranged on a left side bracket and a right side bracket, cross beams 111 are arranged on a middle bracket, and the cross beams 11 and 111 are arranged on the bracket 1 at intervals and extend along the longitudinal direction of the bracket 1. The left and right cross beams 11 are sequentially provided with a rail 11, a steel bar longitudinal positioning beam 13 and a steel bar transverse positioning beam 14 from outside to inside, and the middle cross beam 111 is provided with an angle steel beam positioning bracket 16 for positioning and supporting the angle steel beam 15. The rail 11, the steel bar longitudinal positioning beam 13, the steel bar transverse positioning beam 14, the angle steel beam positioning bracket 16 and the steel beam 15 all extend along the longitudinal direction of the bracket 1, namely, along the construction direction of the top plate of the prefabricated box girder.
The steel bar longitudinal positioning beam 13 is used for supporting and positioning the steel bars which are longitudinally arranged, the steel bar transverse positioning beam 14 is used for supporting and positioning the steel bars which are transversely arranged, gaps are formed in the steel bar transverse positioning beam 14 at intervals, the gaps are designed according to the arrangement of the steel bars of the top plate of the prefabricated box girder, and when the steel bar transverse positioning device is used, the steel bars are directly placed in the gaps, so that transverse interval positioning of the steel bars can be completed.
The steel bar longitudinal positioning beam 13 comprises a plurality of steel plates which are erected at intervals, and connecting steel bars which are positioned between the steel plates, so that a containing groove is formed between the two steel plates, and the steel bars are longitudinally arranged in the containing groove when in use, thereby the steel bars are longitudinally positioned.
The angle steel beam positioning bracket 16 is used for supporting the angle steel beam 15, and the angle steel beam 15 is supported on a vertical supporting rod of the angle steel beam positioning bracket 16 in a right-angle inverted mode.
The transverse steel bars and the longitudinal steel bars are all strictly arranged on the jig frame according to the design, and then are bound, so that the bound steel bars can be ensured to be straight and tidy.
Referring to fig. 2 to 7, the track construction platform for binding the prefabricated box girder roof steel bars further comprises a track construction platform, wherein the track construction platform comprises a bottom plate 53, a wheel bracket 531 is arranged below the bottom plate 53, a pulley 251 is arranged on the wheel bracket 531, and the pulley 251 can be supported on the track 11 and move along the track 11. In particular, the pulley 251 has a V-shaped sliding groove, and the rail 11 has an inverted V-shaped sliding rail, and the sliding groove and the sliding rail are mutually matched, so that the pulley 251 is stably supported in the sliding rail 11 without falling off the rail.
Above the base plate 53 a drive train is fixed, which comprises a lifting system and a moving system.
The lifting system comprises screw lifters 23 positioned at four corners of a bottom plate 53 and a motor 283 positioned in the middle of the bottom plate 53, the screw lifters 23 comprise an input shaft 291 and a lifting rod 22, one end of the input shaft 291 is connected with the screw lifters 23, the other end is connected with a shaft 29, the shaft 29 is supported on the bottom plate 53 by a bearing, so that two parallel shafts 29 are perpendicular to the direction of a track 11, and the four screw lifters 23 are connected into two groups, and the two groups are combined in a linkage way. The motor 283 is fixed in the middle of the bottom plate 53, and drives two parallel shafts 29 to rotate in the same direction through the transfer system 281, and each shaft 29 drives two screw lifters 23, so that a lifting device with linkage of four screw lifters 23 is formed. The four screw lifters 23 are driven by the driving shaft 291 to lift the lifting rod 22, and the universal wheels 21 are provided below the lifting rod 22. When the motor 283 rotates forward, the lifting rod 22 is extended toward the ground until the universal wheel 21 contacts the ground. The elevation height of the base plate 53 is adjusted so that the pulley 251 is aligned with the slide rail 11, and then the motor 283 is reversed, and the elevation of the base plate is again adjusted so that the elevation rod 22 protrudes in the sky direction, and the pulley 251 is fitted on the rail 11 as the base plate descends. The four screw lifters 23 complete the synchronous lifting action. Therefore, the rail construction platform can be free from hoisting, and the actions of upper rail and lower rail can be realized by means of self power.
On the shaft 29, an electromagnetic clutch 24 is provided near each screw lifter 23, and a driving wheel 25 is provided on a side of the electromagnetic clutch 24 away from the screw lifter 23. The fixed part of the electromagnetic clutch 24 is mounted on the base plate 53 with its input end being the shaft 29 and its output end being the drive shaft 291, whereby the input power of the shaft 29 can be input or disconnected into the drive shaft 291 by the electromagnetic clutch. After the platform finishes the track-up action, the electromagnetic clutch needs to be disconnected, so that the lifting action of the platform is ensured to be finished and terminated.
Referring to fig. 6, there is shown a moving system of the track construction platform of the present invention, which includes a driving wheel 25 driven by a shaft 29 fixed above a base plate 53, and a pulley 251 fixed below the base plate 53 by a support 531, both sides of a V-shaped chute of the pulley 251 being provided with pulleys or sprockets. The drive wheel 25 may be supported at both ends by bearing blocks and bearings 26, only part of the bearings 26 being schematically shown in the figures. The driving wheel 25 is arranged right above the pulley 251, the shaft 29 drives the driving wheel 25 to rotate, and the driving wheel 25 further rotates through a chain or belt driving pulley 251.
Therefore, the construction platform disclosed by the invention realizes lifting and moving of the construction platform through a set of power system, and is simple in structure and high in reliability.
Referring again to fig. 7, which shows the transfer system of the present application, comprising a motor 283, the output shaft of the motor 283 is connected with a bevel gear 2811, two sides of the bevel gear 2811 are respectively vertically meshed with a bevel gear 2812 and a bevel gear 2813, taking one end as an example, the output shaft of the bevel gear 2813 is provided with a bevel gear 271 which synchronously rotates, and the bevel gear 271 is meshed with the bevel gear 272 arranged on the shaft 29. Thus, the power from the motor 283 is transmitted to the upper and lower shafts 29 through the bevel gears, the shafts 29 are rotated synchronously and in the same direction, and the shafts 29 in turn drive the driving wheels 25 and the pulleys 251 to rotate, so that the construction platform can move along the track 11.
Referring to fig. 4, in the base plate 53 of the present invention, a hollowed-out elongated groove 41 is provided at each of four corners, and the elongated groove 41 allows a chain or belt between the driving wheel 25 and the pulley 251 to pass through, while allowing the lifting rod 22 of the screw lifter 23 to pass through.
In a particular embodiment, the screw lifter 23, the electromagnetic clutch 24, the seat of the bearing 26, and the bracket 531 are fixedly disposed on both sides of the elongated slot 41. Due to the provision of the elongated slot the lateral position of the driving wheel 25 is adjustable, i.e. the driving wheel 25 is adjustable along the length of the elongated slot to adapt the width of the track 11, and at the same time the position of the pulley 251 is correspondingly adjusted to adapt the driving wheel. The existence of the long groove enables the movable construction platform to be suitable for box girder top plates of different types, and the rail 11 with different widths can be adapted only by adjusting the installation positions of the screw rod lifter 23, the driving wheel 25 and the bracket 531. In this way, the suitability of the product is enhanced.
Referring to fig. 5, the construction platform of the present invention further includes a cover 52, the cover 52 covers the top of the bottom plate 53, and covers the lifting, moving and transferring system of the present invention from above, and the top of the cover 52 is the platform on which the constructor stands.
Also included are a control device 60 and a power cord 61 connected to the motor 281, the control device 60 acting as a power supply system and control system for the motor. The power line is used for externally connecting a power supply.
The control device 60 can control the rotation of the motor, for example, the timing rotation, so that when the worker completes the bar binding operation for a certain distance, the construction platform is automatically moved forward, so that the worker can carry out the bar binding for the next section. In particular, the control device 60 may be equipped with a remote control device, such as a bluetooth control device, so that a worker can repeatedly control the forward and backward movement or the lifting movement of the mobile construction platform during construction.
The control device 60 is also electrically connected to the electromagnetic clutch 24, and can perform a disconnection or connection operation on the electromagnetic clutch 24.
The invention also provides an operation method of the track construction platform for binding the steel bars of the top plate of the prefabricated box girder, which comprises the following steps:
Constructing a jig frame, wherein the jig frame is constructed according to parameters of a prefabricated box girder top plate to be constructed, so that pre-bound steel bars can be supported and positioned according to standard rules, and meanwhile, a track is arranged on the jig frame;
Step two, the construction platform is moved to the front of the jig frame in a locomotive traction or manual traction mode, the construction platform lifting control is started, the electromagnetic clutch 24 is controlled to be engaged through the control device 60, the construction platform is lifted, the pulley 251 of the construction platform is aligned with the track 11 of the jig frame, the construction platform is moved forwards for a certain distance, the distance is used as a debugging distance, and the movement can be achieved through traction or manual pushing.
Controlling the construction platform to descend so that the pulley 251 of the construction platform is accurately embedded on the track 11, continuously reversing the motor so that the lifting rod 23 of the construction platform continuously retracts until the lifting rod leaves the ground to a certain height, wherein the height does not influence the movement of the construction platform;
step four, the electromagnetic clutch 24 is controlled to be disconnected through the control device 60, so that the rotation of the motor is not transmitted to the lifting system;
And fifthly, after equipment debugging is finished, moving the construction platform to a specified starting position, and then performing operation.
And step six, the control device 60 drives the motor to rotate at fixed time, so that the construction platform moves for a preset distance after a preset time, and workers can complete binding of the reinforcing steel bars for the preset distance within the preset time. Thus, the working efficiency of workers is ensured. The predetermined time may be adjustable. Meanwhile, during the period of timing driving the motor, the motor can be controlled to stop and forward and backward rotation at any time so as to face various unexpected or temporary situations.
The construction platform disclosed by the invention has high automation degree, can ensure that the binding of the top plate steel bars is flat and regular, ensure the construction safety and improve the construction efficiency of workers.
It should be noted that the above-mentioned embodiments are merely for illustrating the technical solution of the present invention, and not for limiting the same, and although the invention has been described in detail with reference to the above-mentioned embodiments, it should be understood by those skilled in the art that the technical solution described in the above-mentioned embodiments may be modified or some or all of the technical features may be equivalently replaced, and these modifications or substitutions do not make the essence of the corresponding technical solution deviate from the scope of the technical solution of each embodiment of the present invention.
Claims (8)
1. The track construction platform for binding the steel bars of the top plate of the prefabricated box girder is characterized by comprising a steel bar binding jig frame, wherein the steel bar binding jig frame comprises a bracket, the bracket comprises a left bracket, a right bracket and a middle bracket, the left bracket, the right bracket and the middle bracket are respectively provided with a cross beam, and the cross beams are arranged on the bracket at intervals and extend along the longitudinal direction of the bracket; the left and right side beams are sequentially provided with rails from outside to inside, a steel bar longitudinal positioning beam and a steel bar transverse positioning beam, and the middle beam is provided with an angle steel beam positioning bracket for positioning and supporting the angle steel beam; the system comprises a rail, a steel bar longitudinal positioning beam, a steel bar transverse positioning beam, an angle steel beam positioning bracket, a steel beam and a rail construction platform, wherein the steel bar longitudinal positioning beam, the angle steel beam positioning bracket and the steel beam extend along the longitudinal direction of the bracket, the system further comprises a rail construction platform, a motor, a lifting system and a moving system, wherein the rail construction platform comprises a bottom plate, pulleys are arranged below the bottom plate and can be supported on the rail and move along the rail, the motor is arranged in the middle of the bottom plate and drives the lifting system and the moving system of the rail construction platform through a transfer system, the lifting system comprises screw rod lifters positioned at four corners of the bottom plate, the moving system comprises driving wheels fixed on shafts, the driving wheels are embedded with the rail and can drive the rail construction platform to move along the rail, the shafts are driven by the motor through the transfer system, and an input shaft of the screw rod lifter is driven by a shaft of the moving system;
The screw rod lifter comprises an input shaft and lifting rods, wherein one end of the input shaft is connected with the screw rod lifter, the other end of the input shaft is connected with the shaft, the shaft is supported on the bottom plate by a bearing, two parallel shafts are perpendicular to the direction of a track, four screw rod lifters are connected into two groups, and the two groups are combined in a linkage way;
The fixed part of the electromagnetic clutch is arranged on the bottom plate, the input end of the electromagnetic clutch is the shaft, the output end of the electromagnetic clutch is the driving shaft of the screw rod lifter, and the input power of the shaft is input or disconnected into the driving shaft through the electromagnetic clutch.
2. The track construction platform for binding the steel bars of the top plate of the prefabricated box girder according to claim 1, wherein a wheel bracket is arranged below the bottom plate, and pulleys are arranged on the wheel bracket;
The pulley has V-shaped sliding grooves, the track has inverted V-shaped sliding rails, and the sliding grooves and the sliding rails are mutually matched.
3. The track construction platform for binding reinforcing steel bars of top plates of prefabricated box girders according to claim 1, wherein:
The steel bar longitudinal positioning beam is used for supporting and positioning steel bars which are longitudinally arranged, the steel bar transverse positioning beam is used for supporting and positioning the steel bars which are transversely arranged, gaps are formed in the steel bar transverse positioning beam at intervals, the gaps are designed and set for interval distances according to the arrangement of the steel bars of the top plate of the prefabricated box girder, the steel bar longitudinal positioning beam comprises a plurality of steel plates which are erected at intervals, connecting steel bars positioned between the steel plates, a containing groove is formed between the two steel plates and used for containing the steel bars, the angle steel beam positioning support is used for supporting angle steel beams, and the angle steel beams are supported on vertical supporting rods of the angle steel beam positioning support in a right-angle inverted mode.
4. The track construction platform for binding the steel bars of the top plate of the prefabricated box girder according to claim 1 is characterized in that belt wheels or chain wheels are arranged on two sides of a V-shaped chute of the pulley, the driving wheel is arranged right above the pulley, belt wheels or chain wheels are correspondingly arranged on two sides of the driving wheel, the shaft drives the driving wheel to rotate, and the driving wheel further drives the pulley to rotate through a chain or belt.
5. The track construction platform for binding the steel bars of the top plate of the prefabricated box girder according to claim 4, wherein the output shaft of the motor is connected with bevel gears, two bevel gears are vertically meshed with two sides of each bevel gear, an output bevel gear which synchronously rotates is arranged on the output shaft of each bevel gear, the output bevel gear is meshed with an input bevel gear arranged on the shaft, and power from the motor is transmitted to two shafts through a transfer system formed by the bevel gears to drive the two shafts to synchronously and co-rotate.
6. The track construction platform for binding reinforcing steel bars of top plates of prefabricated box girders according to claim 1, wherein:
the construction platform further comprises a cover body, the cover body covers the upper portion of the bottom plate, the lifting, moving and transferring systems are covered from the upper portion, and the top of the cover body is the platform on which constructors stand.
7. The track construction platform for binding reinforcing steel bars of top plates of prefabricated box girders according to claim 6, wherein:
the motor control device is used as a power supply system and a control system of the motor, and the power line is used for externally connecting a power supply.
8. The method of operating a track construction platform for reinforcement of a roof slab of a prefabricated box girder according to any one of claims 1 to 7, wherein:
The method comprises the following steps:
constructing a steel bar binding jig frame, wherein the jig frame is constructed according to parameters of a prefabricated box girder top plate to be constructed, and a track is arranged on the jig frame;
Step two, the construction platform is moved to the front of the jig frame, the electromagnetic clutch is controlled to be engaged through the control device, and the lifting control of the construction platform is started;
controlling the construction platform to descend so that pulleys of the construction platform are accurately embedded on the track, and continuously reversing the motor so that lifting rods of the construction platform are continuously retracted;
Step four, the electromagnetic clutch is controlled to be disconnected through the control device, and the rotation of the motor is not transmitted to the lifting system;
Step five, after equipment debugging is finished, the construction platform is moved to a specified starting position, and then operation can be performed;
and step six, the control device drives the motor to rotate at regular time, so that the construction platform moves for a preset distance after a preset time.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211351688.9A CN115522749B (en) | 2022-10-31 | 2022-10-31 | A track construction platform used for binding reinforcement bars on the top slab of prefabricated box beams |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211351688.9A CN115522749B (en) | 2022-10-31 | 2022-10-31 | A track construction platform used for binding reinforcement bars on the top slab of prefabricated box beams |
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| Publication Number | Publication Date |
|---|---|
| CN115522749A CN115522749A (en) | 2022-12-27 |
| CN115522749B true CN115522749B (en) | 2024-12-20 |
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| CN202211351688.9A Active CN115522749B (en) | 2022-10-31 | 2022-10-31 | A track construction platform used for binding reinforcement bars on the top slab of prefabricated box beams |
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| CN112809908A (en) * | 2021-02-21 | 2021-05-18 | 中交一公局西北工程有限公司 | Construction method for prefabricated box girder in alpine and high-altitude area |
| CN217494684U (en) * | 2022-06-08 | 2022-09-27 | 山东汇通建设集团有限公司 | Prefabricated case roof beam reinforcing bar installing support |
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| JPH07303939A (en) * | 1994-05-13 | 1995-11-21 | Kubota Corp | Continuous casting equipment |
| JPH11303023A (en) * | 1998-04-24 | 1999-11-02 | Kumagai Gumi Co Ltd | Travelling working vehicle of overhanging erection method |
| CN105540489B (en) * | 2016-01-05 | 2018-03-02 | 北京航空航天大学 | A kind of rotating lifting gear for mobile platform |
| JP2021010917A (en) * | 2019-07-04 | 2021-02-04 | サプロン建材工業株式会社 | Formation method and formation apparatus for large-sized-reinforcing-bar net |
| CN110733841B (en) * | 2019-09-27 | 2024-04-12 | 北京域诚智能科技有限公司 | Jacking and walking simultaneously-driven conveying equipment |
| CN212764064U (en) * | 2020-06-29 | 2021-03-23 | 中国建筑土木建设有限公司 | Precast beam roof plate reinforcement hoist and mount system |
| CN215094525U (en) * | 2021-02-08 | 2021-12-10 | 山东东泰工程咨询有限公司 | Trolley for assisting in binding top plate steel bars |
| CN214782934U (en) * | 2021-04-28 | 2021-11-19 | 中交一公局集团有限公司 | A positioning bench for the construction of the steel skeleton of the pile slab roadbed panel |
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| CN112809908A (en) * | 2021-02-21 | 2021-05-18 | 中交一公局西北工程有限公司 | Construction method for prefabricated box girder in alpine and high-altitude area |
| CN217494684U (en) * | 2022-06-08 | 2022-09-27 | 山东汇通建设集团有限公司 | Prefabricated case roof beam reinforcing bar installing support |
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