A method for moving a mobile pedestal laterally between high and low orbits

Abstract

The application discloses a method for transversely moving a mobile pedestal between high and low orbits, and is used for moving the mobile pedestal between parallel transfer tracks and return tracks, wherein the transfer tracks are lower than the return tracks in height, and a set of transverse moving devices and jacking devices are arranged at the start end and the end end of the transfer tracks and the return tracks; after the mobile pedestal is moved to the butt joint tracks at the end end, the butt joint tracks are jacked up by the jacking devices to match the height of the return tracks, and then the butt joint tracks are moved along the transverse moving tracks to move the mobile pedestal to the end end of the return tracks; after the mobile pedestal is moved to the butt joint tracks at the start end, the butt joint tracks are moved along the transverse moving tracks to move the mobile pedestal to the start end of the transfer tracks, and then the butt joint tracks are lowered by the jacking devices to match the height of the transfer tracks. The application does not use a gantry crane to transport the mobile pedestal, and completely avoids the operation risk of high-altitude transportation.

Description

TECHNICAL FIELD

[0001] The application belongs to the technical field of bridge construction, and particularly relates to a lateral moving method of a mobile platform between high and low tracks. BACKGROUND

[0002] With the progress of technology, domestic precast beam fields gradually shift from fixed platforms to mobile platform production, and a power system is added to the precast beam bottom die. The precast beam bottom die moves along the laid track according to the procedures of steel bar binding, concrete pouring, curing, tensioning and grouting, and beam storage, and moves in one direction in multiple areas. After reaching the last functional area, the empty platform is transported back to the starting area by a gantry crane. However, this method causes uneven stress on the platform, has a large impact on the deflection of the platform, is low in efficiency, and has a high risk of falling from a high altitude. SUMMARY

[0003] The present application is to design a lateral moving method of a mobile platform between high and low tracks, which realizes the overall track change of the mobile platform through the process of jacking, lateral moving and descending, does not need to rely on the hoisting of a gantry crane, and can make the stress on the platform uniform and reduce the safety risk of hoisting objects from a high altitude.

[0004] A lateral moving method of a mobile platform between high and low tracks is used to move the mobile platform between parallel transfer tracks and return tracks, wherein the transfer tracks are lower in elevation than the return tracks. The lateral moving device includes a set of lateral moving devices and jacking devices arranged at the starting end of the transfer tracks and the return tracks, and a set of lateral moving devices and jacking devices arranged at the terminal end of the transfer tracks and the return tracks. The method includes the following steps:

[0005] Step S1, the mobile platform moves to the terminal end of the transfer tracks and then moves to the butt joint track at the terminal end, and then the jacking device is jacked upward so that the butt joint track is raised to a position higher than the return tracks;

[0006] Step S2, the mobile platform is moved to the terminal end of the return tracks along with the butt joint track by operating the lateral moving device, and then the jacking device is lowered so that the butt joint track is butt jointed with the return tracks at the same height;

[0007] Step S3, the mobile platform moves to the return tracks along the butt joint track, moves to the starting end of the return tracks, and then moves to the butt joint track at the terminal end. The mobile platform is moved to the starting end of the transfer tracks along with the butt joint track by operating the lateral moving device;

[0008] Step S4, the jacking device at the terminal end is lowered so that the butt joint track is lowered to the same height as the transfer tracks;

[0009] Step S5, the mobile platform moves to the transfer tracks along the butt joint track.

[0010] Optionally, the horizontal moving device comprises:

[0011] a frame, a first fixed pulley is installed at the right end of the frame, and a second fixed pulley is installed at the left end of the frame;

[0012] a horizontal moving track is arranged on the frame,

[0013] a docking track is arranged at the upper end of the fixed box, the docking track is not parallel to the horizontal moving track, and the lower part of the fixed box is movably arranged on the horizontal moving track;

[0014] a movable pulley frame, a first movable pulley and a second movable pulley are installed on the movable pulley frame,

[0015] a hydraulic cylinder is fixed along the length direction of the frame, the left end of the hydraulic cylinder is fixed with the movable pulley frame,

[0016] a first steel wire rope, one end of the first steel wire rope is fixed, and the other end is fixed on the fixed box after being wound around the first movable pulley and the first fixed pulley in sequence;

[0017] a second steel wire rope, one end of the second steel wire rope is fixed, and the other end is fixed on the fixed box after being wound around the second movable pulley and the second fixed pulley in sequence.

[0018] Optionally, a power supply sliding wire 50 is arranged on the side of the moving track to supply power to the moving seat above it, and a moving power supply device is used on the return track to supply power to the moving seat.

[0019] Optionally, the lower part of the fixed box is arranged on the horizontal moving track through a roller.

[0020] Optionally, the moving track is arranged below the ground, and the return track is arranged above the ground.

[0021] Optionally, the rising of the docking track to a position higher than the return track refers to the rising of the docking track to the lowest height so that the moving seat does not rub against the return track when moving.

[0022] Optionally, the frame is assembled into a long strip-shaped frame by two spaced I-shaped steels, the horizontal moving track is two parallel tracks, which are respectively fixed at the upper ends of the I-shaped steels, and the first fixed pulley and the second fixed pulley are installed between the two I-shaped steels.

[0023] The application drives the fixed box with the butt joint track welded on the upper end to move along the transverse moving track by the hydraulic cylinder, the pulley and the steel wire rope, realizes the transverse movement of the moving base on the butt joint track, so that the gantry crane can be avoided to transport the moving base, and the operation risk of high-altitude transportation is completely avoided. Moreover, the transverse moving device has simple structure and low cost, and compared with the scheme of increasing wheels and power systems for the modification of the moving base, the cost is lower, and the processing is convenient; the original structure of the moving base is not affected, the modified moving base cannot be used, and the economic benefits are considerable. BRIEF DESCRIPTION OF DRAWINGS

[0024] Figure 1 It is a schematic view of the transverse movement of the moving base between the high and low tracks.

[0025] Figures 2 It is a side view of the transverse movement of the moving base between the high and low tracks.

[0026] Figures 3 It is a schematic view of the transverse moving device. DETAILED DESCRIPTION

[0027] The technical solutions of the application will be described clearly and completely in combination with the drawings. Obviously, the described embodiments are part of the embodiments of the application, rather than all the embodiments. Based on the embodiments in the application, all other embodiments obtained by those skilled in the art without creative labor belong to the protection scope of the application.

[0028] The transverse movement method of the moving base between the high and low tracks of the embodiment is used to move the moving base 60 between the parallel transfer track 500 and the return track 600, wherein the elevation of the transfer track 500 is lower than that of the return track 600. For example, the transfer track 500 is below the ground line, and a set of transverse moving device 80 and jacking device 70 are arranged at the starting end of the transfer track 500 and the return track 600, and a set of transverse moving device 80 and jacking device 70 are arranged at the terminal end of the transfer track 500 and the return track 600.

[0029] The transverse moving device 80 comprises the transverse moving track 1 arranged on the frame 100, the butt joint track 8, the hydraulic cylinder 7, the first fixed pulley 3, the second fixed pulley 4, the movable pulley frame 2, the first movable pulley 21 and the second movable pulley 22, the first steel wire rope 5 and the second steel wire rope 6, wherein the frame 100 can adopt two interval I-shaped steel welded into a long strip-shaped frame. The moving base 60 is arranged on the butt joint track 8, and moves along the transverse moving track 1 through the butt joint track 8, so that the moving base 60 is moved to the transfer track 500 or the return track 600 along with the butt joint track 8.

[0030] The frame 100 extends along a direction perpendicular to the horizontal direction of the transfer track 500, and a horizontal moving track 1 is arranged at the upper end of the frame 100, which is two parallel tracks and can be fixed at the upper end of the I-beams respectively. The butt joint track 8 includes two parallel tracks and is arranged at the upper end of the fixed box 10, and the butt joint track 8 is perpendicular to the horizontal moving track 1. The lower part of the fixed box 10 is provided with a roller 9 arranged on the horizontal moving track 1. The first fixed pulley 3 is arranged at the right end of the frame 100, and the second fixed pulley 4 is arranged at the left end of the frame 100. For example, the first fixed pulley 3 and the second fixed pulley 4 can be arranged between the two I-beams.

[0031] The hydraulic cylinder 7 can be arranged along the length direction of the frame 100 and fixed on the frame 100, for example, between the two I-beams. The second movable pulley 22 and the first movable pulley 21 can be arranged on the movable pulley frame 2 with parallel axes, and the left end of the hydraulic cylinder 1 is fixed to the movable pulley frame 2 and the right end is fixed to the frame 100, for example, the piston rod is fixed to the movable pulley frame 2 and the cylinder barrel is fixed to the frame 100. One end of the first steel wire rope 5 is fixed to the cylinder barrel of the hydraulic cylinder, and the other end is fixed to the fixed box 10 after being wound around the first movable pulley 21 and the first fixed pulley 3 in sequence. In addition, one end of the second steel wire rope 6 is fixed to the frame 100, and the other end is fixed to the fixed box 10 after being wound around the second movable pulley 22 and the second fixed pulley 4 in sequence.

[0032] By extending the piston rod of the hydraulic cylinder 7, the movable pulley frame 2 moves to the left, so that the fixed box 10 is pulled by the first steel wire rope 5 to move to the right end of the frame, that is, the movable base can be moved with the butt joint track 8 to the return track 600. By retracting the piston rod of the hydraulic cylinder 7, the movable pulley frame 2 moves to the right, so that the fixed box 10 is pulled by the second steel wire rope 6 to move to the left end of the frame, that is, the movable base can be moved with the butt joint track 8 to the transfer track 500.

[0033] The jacking device 70 is arranged below the horizontal moving track 1, which can be a hydraulic cylinder, for example, and the extending end of the hydraulic cylinder is connected to the lower end of the frame 100, and the frame 100 can be raised or lowered by the extension and retraction of the hydraulic cylinder. However, the present application does not exclude that the jacking device 70 can also be other linear driving mechanisms, such as air cylinders, linear motors, etc.

[0034] The lateral moving method of the movable base between the high track and the low track of the present embodiment includes the following steps:

[0035] Step S1, as shown in Figure 1 In step S1, the movable base 60 moves to the terminal end of the transfer track 500 and continues to move to the butt joint track 8 at the terminal end, and then the jacking device 70 is jacked upward to make the butt joint track 8 rise to a position higher than the return track 600, so that the movable base can move without scratching the return track.

[0036] Step S2, as shown in Figures 2 to 3 In this step, by operating the horizontal moving device, such as the piston rod of the hydraulic cylinder 7 is extended, the movable pulley frame 2 is moved to the left, and the fixed box 10 is pulled by the first steel wire rope 5 to move to the right end of the frame, so that the moving base 60 is moved to the right end of the docking track 8 to the terminal end of the return track 600, and the jacking device 70 is lowered to make the docking track 8 and the return track 600 at the same height.

[0037] Step S3, as shown in Figure 1 In this step, the moving base 60 is moved along the docking track 8 to the return track 600, and is moved along the return track 600 to the starting end of the return track 600, and is continuously moved to the docking track 8 at the end. As shown in Figures 2 to 3 In this step, by operating the horizontal moving device, such as the piston rod of the hydraulic cylinder 7 is retracted, the movable pulley frame 2 is moved to the right, and the fixed box 10 is pulled by the second steel wire rope 6 to move to the left end of the frame, so that the moving base 60 is moved to the left end of the docking track 8 to the starting end of the transfer track 500.

[0038] Step S4, the jacking device 70 at the end is lowered, so that the docking track 8 is lowered to the same height as the transfer track 500, and the docking track 8 and the transfer track 500 are docked.

[0039] Step S5, the moving base 60 is moved along the docking track 8 to the transfer track 500.

[0040] Of course, the present application can have other various embodiments, and those skilled in the art can make various corresponding changes and modifications according to the present application without departing from the spirit and essence of the present application, but these corresponding changes and modifications all belong to the protection scope of the claims of the present application.

Claims

1. A method for laterally moving a movable platform between high and low tracks, characterized in that, The moving platform is used to move between parallel transfer tracks and return tracks, wherein the elevation of the transfer track is lower than that of the return track. A lateral movement device and a lifting device are provided at the starting and ending points of the transfer and return tracks. The lateral movement method includes the following steps: Step S1: The moving platform moves to the end point on the transfer track and continues to move to the docking track at that end. Then the lifting device lifts upward, so that the docking track rises to a position higher than the return track. Step S2: By operating the transverse movement device, the moving platform is moved along the docking track to the end point of the return track, and then lowered by the lifting device so that the docking track and the return track are docked at the same height. Step S3: The moving platform moves along the docking track to the return track, and then moves along the return track to the starting point of the return track, and continues to move to the docking track at that end. By operating the transverse movement device, the moving platform is moved along the docking track to the starting point of the transfer track. Step S4: The lifting device at this end descends, causing the docking track to drop to the same height as the transfer track; Step S5: The moving platform moves along the docking track to the transfer track. The lateral movement device includes: The frame has a first fixed pulley installed at the right end and a second fixed pulley installed at the left end. The transverse track is set on the frame. The docking track is set at the top of the fixed box. The docking track is not parallel to the transverse track. The lower part of the fixed box is movably set on the transverse track. A movable pulley frame, on which a first movable pulley and a second movable pulley are mounted. The hydraulic cylinder is fixed along the length of the frame, and its left end is fixed to the movable pulley bracket. The first wire rope has one end fixed and the other end passes through the first movable pulley and the first fixed pulley in sequence before being fixed to the fixed box; The second wire rope has one end fixed and the other end successively passes over the second movable pulley and the second fixed pulley before being fixed to the fixed box.

2. The method for laterally moving a movable platform between high and low tracks according to claim 1, characterized in that, A power supply line is installed on the side of the transfer track to supply power to the moving platform on it, and a mobile power supply device is used on the return track to supply power to the moving platform.

3. The method for laterally moving a movable platform between high and low tracks according to claim 1, characterized in that, The lower part of the fixed box is mounted on the transverse track via rollers.

4. The method for laterally moving a movable platform between high and low tracks according to claim 1, characterized in that, The transfer track is located below ground level, while the return track is located above ground level.

5. The method for laterally moving a movable platform between high and low tracks according to claim 1, characterized in that, The phrase "raising the docking track to a position higher than the return track" refers to raising the docking track to the lowest height that prevents the moving platform from rubbing against the return track during movement.

6. The method for laterally moving a movable platform between high and low tracks according to claim 1, characterized in that, The frame is assembled from two spaced I-beams into a long strip. The transverse track consists of two parallel tracks, which are fixed to the upper ends of the I-beams respectively. The first and second fixed pulleys are installed between the two I-beams.

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