Plate type ballastless track transfer laying coarse adjustment trolley

Abstract

The utility model discloses a plate type ballastless track transfer paving coarse adjustment trolley which comprises a movable transfer frame, lifting oil cylinders installed at the four corners of the movable transfer frame and track plate supporting mechanisms installed at the telescopic ends of the lifting oil cylinders. A space allowing a ballastless track plate transport vehicle for bearing the track plate prefabricated part to penetrate through front and back is reserved, and the track plate supporting mechanism comprises four vertical movable blocks correspondingly installed at the telescopic ends of the lifting oil cylinders, track plate supporting hands rotatably installed on the vertical movable blocks and a driving motor providing driving force for rotation of the track plate supporting hands. The four corners of the movable transfer frame are sleeved with the vertical movable blocks, a worm and gear assembly is installed at the top of the rail plate supporting hand, and an annular chain is installed between the driving motor and a worm of the worm and gear assembly for transmission connection. The utility model has the advantages of being specially used for transporting and hoisting the track plate prefabricated member, high in transfer efficiency, high in moving stability, capable of meeting the requirement of precision coarse paving, simple in driving arrangement and the like.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of ballastless track, and particularly relates to a slab type ballastless track turning and paving coarse adjustment trolley. BACKGROUND

[0002] At present, when ballastless track is laid in a long and large tunnel, the track slab prefabricated part is difficult to transfer in the tunnel due to the limited tunnel space, and a site pouring mode is usually adopted, so that a special track slab prefabricated part transportation and lifting device is lacked, and if a gantry crane is adopted to lift and install the track slab prefabricated part, the following defects exist: 1) the gantry crane cannot lift a plurality of stacked track slab prefabricated parts due to the large space occupied by the gantry crane itself, so the gantry crane can only lift one track slab prefabricated part at a time, and the efficiency is low; 2) the stability of the gantry crane is insufficient, and the shaking range is too large when the prefabricated part is lifted and laid, so that the requirement of coarse paving precision cannot be met; and 3) the logistics organization is complex due to the large size of the track slab prefabricated part, the resource allocation in the narrow space is difficult, and the gantry crane also has the problem of driving difficulty. CONTENT OF THE UTILITY MODEL

[0003] The utility model aims to provide a slab type ballastless track turning and paving coarse adjustment trolley, which is convenient to move, can lift a plurality of track slab prefabricated parts, and solves the problems of lacking a special track slab prefabricated part transportation and lifting device, being able to only lift one track slab prefabricated part at a time by using a gantry crane, the large shaking range when the prefabricated part is lifted and laid, and the driving difficulty of the gantry crane.

[0004] Therefore, the utility model adopts the technical scheme that a slab type ballastless track turning and paving coarse adjustment trolley, which comprises movable transfer frames in left-right symmetrical structure, lifting cylinders installed at four corners of the movable transfer frames, and track slab supporting mechanisms installed at telescopic ends of the lifting cylinders, the outer part of the movable transfer frame is covered with a hideousness blocking piece, and a space for a ballastless track slab transport vehicle carrying the track slab prefabricated part to pass through is left, the track slab supporting mechanism comprises four vertical movable blocks corresponding to the telescopic ends of the lifting cylinders, track slab supporting hands rotatably installed on the vertical movable blocks, and driving motors providing driving force for the rotation of the track slab supporting hands, the vertical movable blocks are sleeved at the four corners of the movable transfer frame and can move up and down through the lifting cylinders, a worm and gear assembly is installed at the top of the track slab supporting hand, and a ring chain is installed between the driving motor and the worm of the worm and gear assembly for transmission connection, when the driving motor is started, the ring chain drives the worm and gear assembly to rotate synchronously, so that the track slab supporting hand is rotated to support or not support the track slab prefabricated part.

[0005] As the above-mentioned scheme is preferred, the movable transfer frame comprises four vertically arranged vertical columns, a plurality of connecting rods connecting adjacent vertical columns, inclined rods connecting vertical columns on the same side, and rollers installed at the bottom of the vertical columns and spaced apart front and rear, the bottom of the vertical column is provided with a roller mounting groove for mounting the front and rear spaced rollers, and the connecting rod and the inclined rod adopt a channel steel, which is simple to build, stable in structure and reasonable in design.

[0006] Further preferably, the top of the vertical column extends outward and is provided with a mounting plate for mounting the fixed end of the lifting oil cylinder, the vertical movable block is sleeved on the vertical column, and the outer side of the vertical movable block is provided with a hinge seat corresponding to the telescopic end of the lifting oil cylinder, and the structure is reasonably designed.

[0007] Further preferably, the vertical movable block is provided with a mounting plate for mounting the driving motor and the worm and gear assembly, and the top end of the rail plate supporting hand is mounted on the worm center hole of the worm and gear assembly, so that the rotation of the rail plate supporting hand is ensured, and the structure is reasonably designed.

[0008] Further preferably, the ugly blocking piece is made of rubber material and has a gap for the movement of the vertical movable block, which is convenient to install and low in cost.

[0009] Further preferably, the rail plate supporting hand is in the shape of "L" as a whole, and the horizontal end adopts a plate structure, so that the contact surface with the rail plate prefabricated part during lifting is increased, the stability of lifting is ensured, the height of the vertical end of the rail plate supporting hand is greater than the thickness of the rail plate prefabricated part, so that more than two rail plate prefabricated parts can be lifted at a time, and the design is reasonable.

[0010] The utility model discloses the beneficial effects of:

[0011] (1) compared with the lack of special rail plate prefabricated part transport lifting equipment, the movable transfer frame is used to provide the transfer of the rail plate prefabricated part, the rail plate supporting mechanism is installed at the telescopic end of the lifting oil cylinder, the rail plate supporting hand is rotated to hold the rail plate prefabricated part to move up and down, the rail plate supporting hand is driven by the worm and gear and the driving motor, when the driving motor starts, the worm and gear assembly can be rotated synchronously through the annular chain, so that the rail plate supporting hand is rotated to hold or not hold the rail plate prefabricated part, the design is ingenious and novel, and the structure is closely connected.

[0012] (2) compared with the gantry crane lifting rail plate prefabricated part, the present scheme can realize flexible lifting of multiple rail plate prefabricated parts, has high transfer efficiency, can provide supporting force from the four corners of the movable transfer frame with left-right symmetrical structure, guarantees the stability of movement, meets the requirement of rough paving, the lifting oil cylinder provides lifting drive, the driving motor provides rotary drive, the division of labor is clear, and the driving arrangement is simple; the movable transfer frame is covered with an ugly blocking piece outside, the overall appearance is improved, the service life of the parts is not affected by the falling of the tunnel debris into the parts, and the design structure is reasonable.

[0013] In summary, the utility model has the advantages of being specially used for track slab prefabricated part transportation hoisting, high transfer efficiency, high moving stability, satisfying the requirement of precision rough paving, simple driving arrangement and the like. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is a structural schematic view of the utility model.

[0015] Figure 2 It is a structural schematic view of the utility model after removing the ugly blocking piece.

[0016] Figure 3 It is Figure 2 It is a local enlarged view of A in the middle. DETAILED DESCRIPTION

[0017] The utility model will be further described below through examples and in combination with the drawings:

[0018] In combination Figure 1 — Figure 3 As shown in the figure, a slab type ballastless track transfer rough adjustment trolley is composed of a movable transfer frame 1 in left-right symmetrical structure, a lifting oil cylinder 2 installed at four corners of the movable transfer frame 1 and a track slab supporting mechanism 3 installed at the telescopic end of the lifting oil cylinder 2.

[0019] The movable transfer frame 1 is supported by four vertically arranged stand columns 11, a plurality of connecting rods 12 connecting adjacent stand columns 11, an inclined rod 13 connecting stand columns 11 on the same side and a plurality of rollers 14 installed at the bottom of the stand columns 11 and spaced apart in front and back.

[0020] The bottom of the stand column 11 is provided with a roller mounting groove 111 for mounting the front and back spaced rollers 14.

[0021] The connecting rod 12 and the inclined rod 13 are preferably made of a channel steel.

[0022] The top of the stand column 11 extends outward and is provided with a mounting plate 112 for mounting the fixed end of the lifting oil cylinder 2.

[0023] The movable transfer frame 1 is partially covered with an ugly blocking piece 4, and a space is left for the front and back passage of a ballastless track slab transport vehicle 5 carrying a track slab prefabricated part 6.

[0024] The track slab supporting mechanism 3 is composed of four vertical movable blocks 31 corresponding to the telescopic end of the lifting oil cylinder 2, a track slab supporting hand 32 rotatably installed on the vertical movable block 31 and a driving motor 33 providing driving force for the rotation of the track slab supporting hand 32.

[0025] The vertical movable block 31 is sleeved on the four corners of the movable transfer frame 1 and can move up and down through the lifting oil cylinder 2.

[0026] The vertical movable block 31 is sleeved on the stand column 11.

[0027] The vertical movable block 31 is provided with a hinge seat 311 corresponding to the telescopic end of the lifting oil cylinder 2.

[0028] The vertical movable block 31 is provided with a mounting plate for mounting the driving motor 33 and the worm and gear assembly 34.

[0029] The rail plate supporting hand 32 is in an overall "L" shape structure, and the horizontal end is in a plate structure.

[0030] The height of the vertical end of the rail plate supporting hand 32 is greater than the thickness of the rail plate prefabricated part 6.

[0031] The worm and gear assembly 34 is mounted on the top of the rail plate supporting hand 32.

[0032] The top end of the rail plate supporting hand 32 is mounted on the worm wheel center hole of the worm and gear assembly 34.

[0033] The driving motor 33 and the worm of the worm and gear assembly 34 are connected by the annular chain 35.

[0034] When the driving motor 33 is started, the worm and gear assembly 34 is driven to rotate synchronously by the annular chain 35, so as to drive the rail plate supporting hand 32 to rotate to support or not support the rail plate prefabricated part 6.

[0035] The ugly blocking part 4 is preferably made of rubber material, and has a gap for the movement of the vertical movable block 31.

[0036] The plate type ballastless track turning and laying rough adjustment trolley is arranged on the ballastless track slab transport vehicle 5 carrying the rail plate prefabricated part 6, the rail plate supporting hand 32 is rotated to be deep into the below of the rail plate prefabricated part 6 and perpendicular to the rail plate prefabricated part 6, after the four rail plate supporting hands 32 are arranged, the lifting oil cylinder 2 is started to move the rail plate prefabricated part 6 upward, the movable transfer frame 1 is manually pushed to completely separate the rail plate prefabricated part 6 from the ballastless track slab transport vehicle 5, then the movable transfer frame 1 is pushed to move to the lower position, the rail plate supporting pad is arranged in advance, then the lifting oil cylinder 2 moves the rail plate prefabricated part 6 downward to fall on the rail plate supporting pad, and then the rail plate supporting hand 32 is rotated to be parallel to the rail plate prefabricated part 6, so as to completely put down the rail plate prefabricated part 6.

Claims

1. A slab-type ballastless track coarse adjustment trolley, characterized in that: The system includes a movable transfer frame (1) with a left-right symmetrical structure, lifting cylinders (2) installed at the four corners of the movable transfer frame (1), and a rail plate support mechanism (3) installed at the telescopic end of the lifting cylinders (2). The movable transfer frame (1) is covered with a shielding piece (4) and has space for a ballastless rail plate transport vehicle (5) carrying rail plate prefabricated parts (6) to pass through. The rail plate support mechanism (3) includes four vertical movable blocks (31) corresponding to the telescopic end of the lifting cylinders (2), rail plate handles (32) rotatably installed on the vertical movable blocks (31), and rail plate handles (33). 2) A drive motor (33) provides driving force for rotation. The vertical movable block (31) is fitted at the four corners of the movable transfer frame (1) and can move up and down through the lifting cylinder (2). A worm gear assembly (34) is installed on the top of the rail plate support (32). A circumferential chain (35) is installed between the drive motor (33) and the worm of the worm gear assembly (34) for transmission connection. When the drive motor (33) starts, the worm gear assembly (34) is driven to rotate synchronously through the circumferential chain (35), thereby driving the rail plate support (32) to rotate to support or not support the rail plate prefabricated part (6).

2. The slab-type ballastless track coarse adjustment trolley according to claim 1, characterized in that: The movable transfer frame (1) includes four vertically arranged columns (11), several connecting rods (12) connecting adjacent columns (11), diagonal rods (13) connecting the left and right columns (11) on the same side, and rollers (14) installed at the bottom of the columns (11) and spaced apart front and back. The bottom of the columns (11) is provided with roller mounting grooves (111) for the rollers (14) spaced apart front and back. The connecting rods (12) and diagonal rods (13) are made of channel steel.

3. The slab-type ballastless track coarse adjustment trolley according to claim 2, characterized in that: The top of the column (11) extends outward to provide an mounting plate (112) for mounting the fixed end of the lifting cylinder (2). The vertical movable block (31) is fitted on the column (11), and the outside of the vertical movable block (31) is provided with a hinge seat (311) corresponding to the telescopic end of the lifting cylinder (2).

4. The slab-type ballastless track coarse adjustment trolley according to claim 3, characterized in that: The vertical movable block (31) is provided with a mounting plate for mounting the drive motor (33) and the worm gear assembly (34), and the top of the rail plate support (32) is mounted on the worm wheel center hole of the worm gear assembly (34).

5. The slab-type ballastless track coarse adjustment trolley according to claim 1, characterized in that: The cover-up part (4) is made of rubber and has a notch for the vertical movable block (31) to move.

6. The slab-type ballastless track coarse adjustment trolley according to claim 1, characterized in that: The rail plate support (32) has an overall "L" shaped structure, and the horizontal end adopts a plate structure. The height of the vertical end of the rail plate support (32) is greater than the thickness of the rail plate prefabricated part (6).

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