Railway beam falling prevention installation device
Technical Field
The utility model belongs to the technical field of construction auxiliary tools, and particularly relates to a railway beam falling prevention installation device.
Background
The post-tensioning prestressed concrete simply supported box girder has the advantages of simple structure, good stress, high rigidity and the like, is widely applied to railway construction, the box girder is required to be provided with a falling-preventing device for the box girder according to design requirements under the influence of earthquake intensity, the falling-preventing girder is of a steel member, the volume and the weight are large, the pre-installation cannot be carried out in advance before girder erection due to the requirement of the distance between the box girder and a filler stone, the manual transportation and the installation are required after girder erection are completed, the problems of time and cost are wasted, safety risk is high, installation difficulty is high, installation precision is poor and the like are solved, and the problems of construction quality improvement, safety and high efficiency are solved.
Disclosure of Invention
The utility model provides a railway beam falling prevention installation device, which aims to solve the problem of beam falling prevention installation.
The utility model adopts the following technical scheme that the railway beam falling prevention installation device comprises:
The vertical frames are symmetrically arranged on two sides in the box girder, and the lower ends of the vertical frames are provided with travelling devices;
the cross beam is connected between the vertical frames at two sides;
the guide rail is fixed on the cross beam, and is provided with a bearing wheel capable of sliding along the guide rail, and the bearing wheel is driven by a longitudinal moving motor;
The upper end of the suspension rod is suspended on the bearing wheel, the lower end of the suspension rod is provided with a telescopic rod assembly, and the telescopic rod assembly stretches in the vertical direction;
the telescopic screw motor is horizontally arranged at the lower end of the telescopic rod assembly.
In some embodiments, the walking device comprises a walking wheel arranged at the lower end of the stand, the walking wheel is driven by a walking motor, and supporting legs are arranged at two sides of the lower end of the stand.
In some embodiments, the telescopic rod assembly comprises:
the telescopic main rod is connected to the lower end of the suspender and is of a hollow rod-shaped structure;
The telescopic secondary rod is arranged in the telescopic main rod, is hollow and is provided with threads;
The screw motor is arranged in the telescopic main rod and is in threaded connection with the telescopic secondary rod, and the screw motor drives the telescopic secondary rod to move up and down along the telescopic main rod.
In some embodiments, the telescoping secondary rod is L-shaped.
In some embodiments, the longitudinal movement motor is controlled by a control box, which is powered by a battery and controlled by a wireless remote control.
In some embodiments, the running motor is controlled by a control box, which is powered by a battery and controlled by a wireless remote control.
In some embodiments, the screw motor is controlled by a control box, the control is powered by a battery, and is controlled by a wireless remote control.
Compared with the prior art, the invention has the following beneficial effects:
1) The device achieves the purposes of taking and preventing the beam falling, vertical transportation and accurate positioning construction through the left, right, front, back, up and down movement of the self-walking frame and the suspender under the control of the motor.
2) Through setting up battery and wireless remote control device, make this device can operation such as wireless remote control removal and transportation location, and need not connect active electric wire, realized the purpose of high-efficient quick construction and high security.
3) The simple box girder anti-falling beam installation construction method has the advantages of simple structure, low cost, convenient and quick use, safe and reliable operation, improved efficacy, reduced potential safety hazards of safety quality, and suitability for post-tensioning simple box girder anti-falling beam installation engineering construction.
Drawings
Fig. 1 is a schematic structural view of the present utility model.
The device comprises a walking wheel 1, a walking motor 2, a supporting leg 3, a screw motor 4, a vertical frame 5, a cross beam 6, a guide rail 7, a bearing wheel 8, a longitudinal moving motor 9, a telescopic main rod 10, a telescopic screw motor 11, a suspender 12, a telescopic secondary rod 13, a storage battery 14, a control box 15 and a wireless remote controller 16.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments, and all other embodiments obtained by persons of ordinary skill in the art without making creative efforts based on the embodiments of the present utility model are all within the scope of protection of the present utility model.
As shown in fig. 1, a railway drop beam mounting apparatus includes:
the vertical frames 5 are symmetrically arranged on two sides in the box girder, and a travelling device is arranged at the lower end of each vertical frame 5;
the cross beam 6 is connected between the vertical frames 5 at two sides of the cross beam 6;
The guide rail 7 is fixed on the cross beam 6, the guide rail 7 is provided with a bearing wheel 8 which can slide along the guide rail 7, and the bearing wheel 8 is driven by a longitudinal movement motor 9;
The upper end of the suspender 12 is suspended on the bearing wheel 8, a telescopic rod assembly is arranged at the lower end of the suspender 12, and the telescopic rod assembly stretches in the vertical direction;
the telescopic screw motor 11, telescopic screw motor 11 horizontal installation is at the lower extreme of telescopic link subassembly.
Specifically, the stand 5 has an inverted T-shaped structure, the stand 5 is driven to move in the box girder by the traveling device, and the horizontal position of the boom 12 is adjusted by adjusting the position of the bearing wheel 8 on the guide rail 7. And then the height of the telescopic screw motor 11 is adjusted through the telescopic rod assembly, so that accurate positioning is performed on the heald.
Wherein, the mounting bracket body on the bearing wheel 8 is used for connecting the jib 12, and the output shaft of indulging the motor 9 passes through the meshing with the lead screw that the level set up on the guide rail 7, indulges the motor 9 drive lead screw rotation, and lead screw drive bearing wheel 8 walks.
In other embodiments, it is also possible to design the longitudinal displacement motor 9 to drive the support wheel 8 directly on the guide rail 7.
Specifically, running gear includes the walking wheel 1 of installing at the grudging post 5 lower extreme, walking wheel 1 is by walking motor 2 drive, and grudging post 5 lower extreme both sides still are provided with supporting leg 3. The running wheel 1 is a steerable wheel.
Specifically, the telescopic link assembly includes:
the telescopic main rod 10 is connected to the lower end of the boom 12, and the telescopic main rod 10 is of a hollow rod-shaped structure;
A telescopic secondary rod 13, wherein the telescopic secondary rod 13 is arranged in the telescopic main rod 10, and the telescopic secondary rod 13 is hollow and provided with threads;
The screw motor 4, screw motor 4 installs in flexible mobile jib 10 and with flexible secondary pole 13 threaded connection, screw motor 4 drive flexible secondary pole 13 reciprocates along flexible mobile jib 10.
The telescopic secondary rod 13 is L-shaped.
The longitudinal movement motor 9, the running motor 2 and the screw motor 4 are controlled by a control box 15, and the control box 15 is powered by a storage battery 14 and is controlled by a wireless remote controller 16.
The working principle of the utility model is as follows:
The vertical frame, the cross beam and the guide rail are rigidly welded to form a bearing working bench, the bearing wheel is reversely buckled on the guide rail, the longitudinal moving motor is bolted with the telescopic rod main rod and the bearing wheel, the telescopic rod main rod is bolted with the bearing wheel, the telescopic screw motor is bolted on the inner side of the telescopic rod main rod, and the suspender passes through the central telescopic screw motor in a spiral manner and is bolted with the telescopic rod secondary rod. The storage battery provides an electric power source, the walking motor drives the walking wheels to walk around, the screw motor controls the supporting legs to lift, the telescopic screw motor drives the telescopic rod secondary rod to move up and down through the suspender, and accurate installation and positioning of the device are achieved through the wireless remote control box of the wireless remote controller.
The device is installed and checked and accepted for inspection and acceptance, the anti-falling beam is extracted from the position where the anti-falling beam is stored in a prefabricated box girder box which is erected by a remote controller control device manually, a telescopic screw motor is operated to drive a telescopic rod secondary rod to move upwards by about 20cm through a suspender, the device moves forward to the position of a two-hole box girder seam, the anti-falling beam falls to about 5cm below the girder bottom through a manhole position, a traversing device is rotated to the installation position of the anti-falling beam after a travelling wheel is rotated, after accurate alignment, a telescopic rod component is stabilized and enables the telescopic screw motor to be horizontal, after a telescopic screw motor installation screw is manually operated, a telescopic rod secondary rod of the falling device is lowered, and the operating device lifts the telescopic screw motor and carries out installation work of the next anti-falling beam.
It should be noted that the above embodiments are merely for illustrating the technical solution of the present utility model and not for limiting the same, and although the present utility model has been described in detail with reference to the above embodiments, it should be understood by those skilled in the art that the technical solution described in the above 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 the embodiments of the present utility model.