Integral lifting appliance for subway track row

Abstract

The integral lifting appliance comprises a lifting appliance main body consisting of a cross beam and a longitudinal beam, end beams are symmetrically arranged at two ends of the longitudinal beam, track panel supporting components are integrally mounted in the end beams and are used for laterally positioning and supporting the subway track panel, edge beams are arranged on two sides of the cross beam, and the edge beams are used for supporting the subway track panel. The boundary beams extend out of the outer sides of the longitudinal beams, and hoisting wedge sleeves are installed at the two ends of each boundary beam. By adopting the integral lifting appliance, the lifting work of a track skeleton can be completed by one track layer, and meanwhile, before steel rails form the track skeleton, the steel rails can be lifted through the lifting lugs arranged at the two ends, so that the investment of equipment and personnel can be greatly reduced while the efficiency is improved, and the construction cost is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to subway construction technology field especially a kind of overall lifting appliance for subway track panel. BACKGROUND

[0002] In the process of subway construction, track panel hoisting and transportation is a necessary process in construction, track panel is often long, and is transported by railway flat car, and then transported by track layer after being transported to the vicinity of construction point, since track panel is bent and wound, two devices are often needed to be simultaneously hoisted to make both ends of track panel not to fall to the ground, but the walking speed of two devices is difficult to control synchronously, and the device walking fast often pulls the device walking slowly. Two sets of equipment must have their own independent power system, otherwise the equipment cannot retreat after track panel is hoisted to the specified location, so not only the investment of equipment is large, but also the utilization rate of equipment is low, which causes great waste of manpower, financial resources and material resources. CONTENT OF UTILITY MODEL

[0003] In view of the above technical problems, the utility model provides a kind of overall lifting appliance for subway track panel, and the overall lifting appliance can realize that one track layer completes the hoisting and transportation of track panel, and before the steel rail is not formed into track panel, the steel rail can be hoisted and transported by the lifting lug arranged at both ends, which can greatly reduce the investment of equipment and personnel while improving efficiency and reducing construction cost.

[0004] An overall lifting appliance for subway track panel, comprising a lifting appliance main body composed of a cross beam and a longitudinal beam, two ends of the longitudinal beam are symmetrically provided with an end beam, a track panel support assembly is integrally installed in the end beam, the track panel support assembly is used for laterally positioning and supporting subway track panel, two sides of the cross beam are provided with a side beam, the side beam extends outward from the longitudinal beam and two ends of the side beam are provided with a hoisting wedge sleeve.

[0005] As a preferred embodiment of the above technical solution, the track panel support assembly comprises symmetrically arranged push rod oil cylinders and push rods, the push rods laterally extend from the longitudinal beam and are slidably connected to the longitudinal beam by oil-free bearings.

[0006] As a preferred embodiment of the above technical solution, limit plates are arranged at both ends of the oil-free bearings on the end beam.

[0007] As a preferred embodiment of the above technical solution, a rib plate is welded between the side beam and the longitudinal beam.

[0008] As a preferred embodiment of the above technical solution, a support beam is further arranged between the side beam and the end beam, and the support beam is welded to the bottom surface of the longitudinal beam.

[0009] As a preferred embodiment of the above technical solution, a hydraulic pressure shunt valve is installed in the side beam, and a hydraulic pipe connecting the hydraulic pressure shunt valve and the push rod oil cylinder is installed on the inner side of the longitudinal beam.

[0010] As the preferred technical scheme, the top surface of the longitudinal beam is symmetrically welded with four groups of positioning blocks.

[0011] As the preferred technical scheme, the outer side of the two groups of end beams is symmetrically provided with lifting lugs.

[0012] The utility model discloses the beneficial effect lies in:

[0013] By setting up track support assembly, from lateral positioning support subway track both ends, can realize a track layer to complete the hoisting work of track, improve the transfer efficiency while greatly reducing the construction cost, wherein, the distance of end beam is set after subway track hoisting, both ends and intermediate track bend down and bind the minimum position, improve the overall structure of the spreader rigidity, set four groups of positioning blocks, for the card in the track layer car positioning groove, avoid the track layer walking, spreader and goods shake and hit the car body or construction personnel, high safety. BRIEF DESCRIPTION OF DRAWINGS

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

[0015] Figure 2 It is the structure schematic diagram of push rod lateral push.

[0016] Figure 3 It is the overall structure schematic diagram of using the overall spreader to support and position track.

[0017] Figure 4 It is the side surface schematic diagram of using the overall spreader to support and position track.

[0018] Figure 5 It is the structure schematic diagram of end beam.

[0019] Figure 6 It is the internal structure schematic diagram of end beam.

[0020] Figure 7 It is the structure schematic diagram of side beam.

[0021] The reference signs are as follows: 1-beam, 2-longitudinal beam, 3-end beam, 301-upper cover plate, 302-sealing plate, 303-bottom plate, 304-front side plate, 305-rear side plate, 306-inner vertical plate, 307-outer end plate, 308-stiffening plate, 309-oil cylinder support, 310-oil cylinder pin shaft, 4-track support assembly, 5-side beam, 6-lifting wedge sleeve, 7-push rod oil cylinder, 8-push rod, 9-oil-free bearing, 10-limiting plate, 11-rib plate, 12-supporting beam, 1201-bottom plate, 1202-web, 1203-cover plate, 1204-sealing plate, 1205-stiffening rib, 1206-positioning sleeve, 13-hydraulic flow divider, 14-hydraulic pipeline, 15-positioning block, 16-lifting lug, 17-metro track. DETAILED DESCRIPTION

[0022] The technical scheme of the utility model will be described clearly and completely below in combination with the drawings of the utility model. All other embodiments obtained by those skilled in the art without creative labor based on the embodiments of the utility model belong to the protection scope of the utility model.

[0023] As Figures 1 to 4 described above, the whole lifting appliance for metro track comprises a lifting appliance main body composed of a beam 1 and a longitudinal beam 2, end beams 3 are symmetrically arranged at the two ends of the longitudinal beam 2, track support assemblies 4 are integrally installed in the end beams 3, the track support assemblies 4 are used for laterally positioning and supporting the metro track 17, side beams 5 are arranged at the two sides of the beam 1, the side beams 5 extend out of the outer side of the longitudinal beam 1 and are provided with lifting wedge sleeves 6 at the two ends. The distance between the two end beams 3 is arranged to be the least position after the metro track 17 is lifted, and the two ends and the middle track are bent.

[0024] Specifically, the steel wire rope is connected with the track layering machine, one end of the steel wire rope is fixed on the winch of the track layering machine, the other end is fixed on the lifting wedge sleeve 6 at the two ends of the outer side of the longitudinal beam 2, the winch drives the steel wire rope to realize the lifting of the lifting appliance.

[0025] In the embodiment, the track support assembly 4 comprises symmetrically arranged push rod oil cylinders 7 and push rods 6, the push rods 8 laterally extend out of the longitudinal beam 2 and are slidably connected with the longitudinal beam 2 through oil-free bearings 9, as shown in the figure. Figure 6

[0026] In the embodiment, limiting plates 10 are arranged at the two ends of the oil-free bearings 9 on the end beams 3, the arrangement of the limiting plates 10 not only fixes the oil-free bearings 9, but also facilitates the machining of the shaft sleeve and the later maintenance or replacement of the oil-free bearings 9.

[0027] In the embodiment, the rib plates 11 are welded between the side beams 5 and the longitudinal beam 2.

[0028] ​In the embodiment, the support beam 12 is welded to the bottom surface of the longitudinal beam 2.

[0029] In the embodiment, the hydraulic shunt valve 13 is mounted inside the side beam 5, and the hydraulic pipeline 14 connecting the hydraulic shunt valve 13 and the push rod oil cylinder 7 is mounted inside the longitudinal beam 2.

[0030] In the embodiment, four groups of positioning blocks 15 are symmetrically welded to the top surface of the longitudinal beam 2. During the lifting of the hoist, the hoist and the track layer are fixed together through the four groups of positioning blocks 15 on the top surface, so as to prevent the equipment from shaking left and right and improve the safety.

[0031] In the embodiment, two groups of lifting lugs 16 are symmetrically arranged on the outer side of the end beam 3. Before the steel rails are not formed into a rail row, the steel rails can be lifted through the lifting lugs 16 arranged at both ends.

[0032] Specifically, the end beam 3 is welded by the upper cover plate 301, the sealing plate 302 and the bottom plate 303 arranged in parallel from top to bottom, the front side plate 304 and the rear side plate 305 arranged from front to back, and the two groups of inner vertical plates 306 and outer end plates 307 arranged from left to right. The inner vertical plate 306 extends downward to be connected with the bottom plate 303, and the reinforcing plate 308 is welded between the inner vertical plate 306 and the sealing plate 302. The oil-free bearing 9 is limited by the inner vertical plate 306 and the outer end plate 307. The bottom plate 303 in the end beam 3 is provided with the oil cylinder support 309 for supporting the push rod oil cylinder 7. The oil cylinder support 309 and the push rod oil cylinder 7 are connected through the oil cylinder pin shaft 310, as shown in Figure 5 .

[0033] The support beam 12 is welded by the bottom plate 1201, the web plate 1202 and the cover plate 1203 arranged in parallel, and the sealing plates 1204 are welded on both sides. The reinforcing ribs 1205 are welded between the bottom plate 1201 and the cover plate 1203. Two penetrating positioning sleeves 1206 are horizontally arranged on the bottom plate 1201 and the sealing plate 1204. When the track layer needs to be changed, the jacking tool is positioned through the two positioning sleeves 1206 to prevent the equipment from shaking left and right, which can improve the safety, as shown in Figure 7 .

[0034] The working principle of the embodiment is as follows.

[0035] Two groups of rail row support assemblies 4 are symmetrically installed in each end beam 3, hydraulic oil of the four groups of rail row support assemblies 4 is distributed through the hydraulic flow divider valve 13, through the extension and retraction of the push rod oil cylinder 7, the extension and retraction of the push rod 8 is driven, the push rod 8 is aligned to the empty position of the subway rail row 17, the push rod oil cylinder 7 pushes out the push rod 8, the push rod 8 is inserted into the bottom of the subway rail row 17, the lifting appliance is lifted to lift the subway rail row 17, after the subway rail row 17 is lowered to the designated position, the push rod oil cylinder 7 is retracted, the push rod 8 returns to the inside of the end beam 3, the lifting appliance is lifted to leave, the hoisting work of the subway rail row 17 is completed, four hoisting wedge sleeves 6 are arranged on the lifting appliance, the steel wire ropes below or above the winch are conveniently connected, meanwhile, the four hoisting wedge sleeves 6 are arranged at the middle position of the lifting appliance, the arrangement of the track laying machine winch can also avoid the vehicle being too long, through the arrangement of the four positioning blocks 15, when the lifting appliance hoists the rail row and is lifted up, the four positioning blocks 15 can be clamped on the track laying vehicle positioning groove, when the track laying machine walks, the lifting appliance and the goods are prevented from shaking forward and backward, the vehicle body and the construction personnel are prevented from being hit.

[0036] The preferred embodiments of the utility model are only used for limiting the utility model, for the technical personnel in the art, the utility model can have various changes and changes. Any modification, equivalent replacement, improvement and the like within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. A unitary sling for a subway rail panel, characterized by: It includes a sling main body consisting of a crossbeam and a longitudinal beam, with end beams symmetrically provided at both ends of the longitudinal beam, a rail support assembly integrated in the end beam, and the rail support assembly is used to laterally position and support the subway rails, side beams are provided on both sides of the crossbeam, the side beams extend outward from the longitudinal beam and are installed with lifting wedge sleeves at both ends.

2. A unitary sling for a subway rail panel according to claim 1, characterized in that: The rail support assembly includes a push rod cylinder and a push rod that are symmetrically arranged. The push rod extends laterally from the longitudinal beam and is slidably connected to the longitudinal beam through an oil-free bearing.

3. A unitary sling for a subway rail panel according to claim 2, wherein: Limiting plates are provided on the end beam at both ends of the oil-free bearing.

4. A unitary sling for a subway rail panel according to claim 2, wherein: Rib plates are welded between the side beams and the longitudinal beams.

5. A unitary sling for a subway rail panel according to claim 1, wherein: A support beam is further provided between the side beam and the end beam, and the support beam is welded to the bottom surface of the longitudinal beam.

6. A unitary sling for a subway rail panel according to claim 2, wherein: A hydraulic diverter valve is installed on the inner side of the side beam, and a hydraulic pipeline for connecting the hydraulic diverter valve and the push rod cylinder is installed on the inner side of the longitudinal beam.

7. A unitary sling for a subway rail panel according to claim 1, wherein: Four groups of positioning blocks are symmetrically welded on the top surface of the longitudinal beam.

8. A unitary sling for a subway rail panel according to claim 1, wherein: Lifting ears are symmetrically provided on the outer sides of the two groups of end beams.

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