CN217499804U

CN217499804U - Railway line component replacement gantry crane and group hoisting device

Info

Publication number: CN217499804U
Application number: CN202220734519.2U
Authority: CN
Inventors: 陈亮陪; 李石平; 牛学信; 王鹏举; 晏红文; 盛智勇; 李波
Original assignee: Zhuzhou CSR Times Electric Co Ltd
Current assignee: Zhuzhou CRRC Times Electric Co Ltd
Priority date: 2022-03-31
Filing date: 2022-03-31
Publication date: 2022-09-27
Anticipated expiration: 2032-03-31

Abstract

The utility model discloses a railway line part is spread and is traded gantry crane and crowd's hoist and mount and put, gantry crane device includes: a truss; the transverse moving mechanism is arranged on the truss and can transversely move along the truss; the transverse moving mechanism comprises a lifting mechanism which can drive the endless chain to move up and down along the vertical direction, and the end part of the endless chain is connected with a lifting appliance; the left supporting leg and the right supporting leg are movably arranged at the lower parts of the left end and the right end of the truss respectively, can move transversely along the truss and can move up and down along the vertical direction. The utility model discloses can solve current railway line part and change equipment and occupy the adjacent line space, have operation safety risk, operate the inflexibility to and be difficult to adapt to the technical problem of operation demand under the complicated operating mode of railway line.

Description

Gantry crane and group crane device for laying and replacing railway line parts

Technical Field

The utility model relates to a railway engineering machine tool technical field especially relates to a gantry crane and crowd hoist device for carrying out the railway line part and spread and trade hoist and mount.

Background

At present, the opening mileage of the high-speed railway in China reaches 3.5 kilometers, the assumed transportation amount reaches 70 percent of the total passenger transportation amount, and the normal operation of the high-speed railway has increasingly large influence on the national trip and business activities. Therefore, the field hoisting, replacing and maintaining of the high-speed railway line components becomes an important technical part in the field of railway engineering machinery line maintenance. At present, railway line components are mainly replaced by hoisting through a rail crane, a cantilever crane and the like. When a plurality of track cranes are adopted for operation of longer and heavier line components such as steel rails, switch rails, fork centers and other components, the operation synchronization is often difficult to achieve through manual control, heavy objects swing and deform greatly, and the construction efficiency is seriously influenced; when the cantilever crane is adopted for operation, the cantilever is very easy to touch a contact net at the upper part of a railway line, and serious potential safety hazards exist in the operation; other modes of hoisting by single point or two points are not suitable for replacing parts with large length and size, and the weight of the lifted large-scale line part is completely transferred to the line through the bogie, so that the line is greatly damaged. The gantry crane widely applied to the hoisting industry at present has the following technical defects: 1) the structure is huge, the operation is not flexible, and the railway track is not easy to carry to the field operation of the railway track; 2) the height and the width spacing of the gantry crane supporting legs cannot be adjusted, the transverse span spacing is fixed, the height from the ground is fixed, and the gantry crane supporting legs cannot adapt to complex working conditions of different heights on the ground and different widths of circuits on site; 3) a single gantry crane cannot meet the requirement of replacing components with different lengths, and has large occupied space, large mass and inconvenient transportation and placement; 4) the method has the advantages of safety risk, low operation efficiency, low integration degree of transportation, arrangement and operation flow, and the possibility of occupying adjacent line construction and exceeding the limit operation in the operation process.

In the prior art, the following technical scheme is mainly related to the utility model:

the prior art 1 is a chinese invention application published in 2019 on 03 month 01 and published under CN109403161A by the engineering machinery limited company of the middle school chicken age in 2018 on 02 month 01. The invention discloses a construction process for replacing turnout of a large-tonnage hoisting rail car, which comprises the following specific steps: firstly, before a new turnout is installed on a track bed, a pre-paving and moving method is adopted to assemble the turnout in a segmented and integral manner; before installing a new turnout, a hoisting rail car is used as main turnout dismantling equipment to dismantle an old turnout and clean a track bed; thirdly, after the assembly of the new turnout is finished, a hoisting rail car is used as main turnout transfer equipment to transfer the new turnout to the position to be installed; and fourthly, after the new turnout is transported to a position near the installation position, the lifting rail car is adopted as main turnout installation equipment to be accurately installed to the corresponding position of the track bed. The turnout replacement construction method adopts construction tools such as a large-tonnage hoisting rail car, a wireless tracking distance meter, a special crane lifting appliance for the turnout and the like to replace the turnout, not only can greatly improve the turnout replacement construction efficiency and the replacement quality, reduce the labor intensity of replacement work, but also can reduce the construction cost and improve the turnout replacement quality. However, the construction process for replacing the turnout of the large-tonnage lifting rail car in the prior art 1 only replaces the whole set of turnout, and is large in occupied space, large in mass and inconvenient to transport and place, and the large-tonnage lifting rail car is adopted to realize replacement construction of the turnout, so that a crane boom has a safety risk of touching a contact net.

Prior art 2 is a Chinese invention application published as CN111717804A on 16.06.2020 by Nansicheng and 20.09.2020. The invention discloses a simple gantry crane, and relates to the technical field of construction equipment. The simple gantry crane comprises a support frame, a connecting block is arranged at the lower end of the support frame, an underframe is arranged at the lower end of the connecting block, a lifting device is arranged at the upper end of the support frame, the support frame comprises a frame body, a first rectangular groove and a second rectangular groove, the first rectangular groove is arranged in the middle of the front surface of the frame body, the second rectangular groove is arranged at the lower end of the front surface of the frame body, two first circular grooves are arranged at the lower ends of the left surface and the right surface of the frame body, a third rectangular groove is arranged at the upper end of the rear surface of the first rectangular groove, the left position and the right position of the support frame are changed by sliding a pulley in the fifth rectangular groove, the front position and the rear position of a lifting hook are changed by a motor, compared with the traditional gantry crane, the lifting range is enlarged, after the lifting device is lifted to the upper end of the support frame, a clamping block is extruded into the third rectangular groove, after a vertical rod is lifted to the top end, the clamping block returns to the original position under the action of a spring, so that the lifting device is fixed at the height, the pull ring can be pulled off through the climbing frame to enable the lifting device to descend, so that the lifting device is convenient to mount and dismount. However, the simple gantry crane in the prior art 2 does not have the basic functions of adjusting the height and width spacing of the support legs, the transverse span spacing and the height from the ground are fixed, the operation requirements of different heights on the ground and different widths of lines on the site under complex working conditions cannot be met, and a single gantry crane cannot meet the requirements of replacing components with different lengths.

Prior art 3 is a chinese utility model patent that china gao xin equipment stocks ltd applies for 22/07/2019 and announces 22/09/2020 with publication number CN 211547115U. The utility model discloses an equipment for railway switch is spread and is traded, this equipment include that the track walks capable platform and portal frame formula and carry the rail row device, and the track walks capable platform and includes lift platform, and elevating gear and vertical strutting arrangement are connected to this lift platform below, and both pass through joint bearing and lift platform and platform frame connection, and lift platform top includes load-bearing platform, and two pairs of clamps are arranged to this load-bearing platform transverse direction. The lifting platform is connected with the crawler walking device through a lifting device and a supporting device. However, in the equipment for replacing the railway turnout in the prior art 3, the equipment works through the equipment for replacing the large railway turnout, the equipment utilizes the track walking platform and the portal type rail lifting panel device to realize the carrying, placing, position adjustment and replacement of the turnout, the adjacent line operation is required, the structure is complex, the equipment cost is high, the overhaul difficulty is large, and the maintenance and replacement cost is high.

Prior art 4 is the application of china patent application with publication number CN107761486A, published in 2016, 08, 15 and 2018, 03, 06. The invention discloses a quick replacement method for large parts of a railway turnout and corresponding replacement equipment thereof. The replacement construction method and the device refine switch laying markets in a layered mode, meet the requirements of replacing and maintaining switches of existing railway lines, and consider the requirements of replacing and maintaining switches of high-speed railway lines in a key mode; the key points are highlighted, and the most urgent key contents of turnout maintenance and replacement are mainly solved; and the turnout laying and replacing equipment function positioning is considered comprehensively, the compatibility of the turnouts of different models and the replacement of different components of the same turnout is met to the maximum extent, and the wide application range and the strong application expansion of the replacement construction method are ensured. However, in the railway turnout large component quick replacement construction method and the corresponding replacement equipment in the prior art 4, the large turnout laying and replacing vehicle is used for lifting and replacing operations, and a plurality of complex mechanisms such as a lifting mechanism, a rotary traversing mechanism, a turning adjusting mechanism and the like are designed on the laying and replacing vehicle so as to realize the carrying, placing, position adjusting and replacing of the turnout, and the laying and replacing vehicle has the advantages of complex structure, high equipment cost, high overhaul difficulty and higher maintenance and replacement cost.

Prior art 5 is a chinese utility model patent, published in 2014 10 and 08, with publication number CN203866656U, applied in 2014 04 and 02 and 2014 10 by beijing jiangding national iron engineering design limited company. The utility model discloses a switch laying machine for track construction belongs to the railway track building field. The turnout laying machine comprises a metal structure for providing support, a walking mechanism for realizing unit movement, a lifting mechanism for realizing turnout lifting, a fixed supporting leg for providing support, a diesel engine unit for providing power, a hydraulic system for providing power conversion, a radio remote control system and a complete safety monitoring system. The utility model discloses a can realize vertical flexible, horizontal widen, vertically walk the engineering equipment of line, the three-dimensional adjustment of thing is grabbed to the hoist, through to the lift of switch subassembly, sideslip, indulge the control that moves, accomplish the change and the laying of switch to higher stability has. However, the switch laying machine for track construction in the prior art 5 performs lifting and replacing operations through the switch laying machine, and the switch laying machine is designed with a switch lifting mechanism and a walking mechanism to realize carrying, placing, position adjustment and replacement of switches.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model aims at providing a railway line part is spread and is traded gantry crane and crowd's hoist and mount and put to solve current railway line part replacement equipment and occupy the adjacent line space, there is operation safety risk, operate inflexible, and be difficult to adapt to the technical problem of operation demand under the complicated operating mode of railway line.

In order to realize the utility model discloses the mesh, the utility model particularly provides a technical implementation scheme that railway line part laid gantry crane device, include:

a truss;

the transverse moving mechanism is arranged on the truss and can transversely move along the truss; the transverse moving mechanism comprises a lifting mechanism, the lifting mechanism can drive the endless chain to move up and down along the vertical direction, and the end part of the endless chain is connected with a lifting appliance;

a left leg and a right leg movably arranged at the lower parts of the left end and the right end of the truss respectively, the left leg and the right leg can move transversely along the truss,

and can move up and down along the vertical direction.

Furthermore, leveling support legs are arranged on the lower portions of the left support leg and the right support leg, and the leveling function of the left support leg, the right support leg and the gantry crane device can be achieved through the leveling support legs.

Further, the left leg includes an upper left leg connected to the truss and a lower left leg movably connected to the upper left leg. The right leg includes a right upper leg connected to the truss and a right lower leg movably connected to the right upper leg.

Furthermore, the lifting mechanism comprises a hoisting driving motor, a speed reducer, a first transmission gear and a second transmission gear. The hoisting driving motor drives the first transmission gear to rotate through the speed reducer, the first transmission gear drives the second transmission gear to rotate, and the second transmission gear is connected with the endless chain.

Furthermore, the transverse moving mechanism also comprises an annular chain, a mounting box, a transverse driving motor, a first speed reducer, a moving wheel, a driving chain wheel, a driven chain wheel and a moving rail. The lifting mechanism is arranged in the mounting box, and the walking wheels are arranged at the bottom of the mounting box. The walking rails are transversely arranged on the inner side of the bottom of the truss, and the walking wheels are matched with the walking rails. The transverse driving motor drives the driving chain wheel to rotate through the first speed reducer, the driving chain wheel rotates to drive the annular chain to rotate, and the driven chain wheel provides auxiliary positioning for the rotation of the annular chain. And two ends of the annular chain are connected with the mounting box.

Furthermore, the bottom of the truss is transversely provided with a long slotted hole, and the upper parts of the left upper supporting leg and the right upper supporting leg are provided with sliding blocks along the longitudinal two sides. The bottom of truss is provided with the guide rail along transversely, the upper portion of upper left landing leg and upper right landing leg all is provided with the mounting panel, the slotted hole is upwards passed to the mounting panel. The installation plate is provided with a transverse moving driving motor, a second speed reducer, a driving gear and a driven gear, and the bottom of the truss is provided with a first rack and a second rack in parallel along the transverse direction. The transverse moving driving motor drives the driving gear to rotate through the second speed reducer, the driving gear is meshed with the first rack, and the driven gear is meshed with the second rack to provide auxiliary positioning for transverse moving of the supporting legs. The guide rail is matched with the sliding block to provide guidance for the transverse movement and walking of the upper left supporting leg and the upper right supporting leg.

Furthermore, upper left landing leg and upper right landing leg all include lead screw, screw-nut, lead screw bearing and flexible side's pipe. The lead screw is arranged in the telescopic square tube, the lead screw nut is fixed on the bottom side of the inner portion of the telescopic square tube, and the lead screw is matched with the lead screw nut. The upper part of the screw rod is fixed in the telescopic square tube through a screw rod bearing.

Furthermore, lower left leg and lower right leg all include fixed square pipe, support square pipe, crossbeam and carrier bar. The fixed square pipe is sleeved outside the telescopic square pipe, the supporting square pipe is arranged on the left side and the right side of the fixed square pipe, the upper portion of the fixed square pipe is fixed to one end of the supporting square pipe, and the lower portion of the fixed square pipe is fixed to the supporting square pipe through a cross beam. The other end of the square supporting pipe is fixed with the carrier beam, the carrier beam is provided with a lifting drive motor and a third speed reducer, and the lower portion of the screw rod extends out of the bottoms of the telescopic square pipe and the fixed square pipe and then is connected with the third speed reducer. The third speed reducer is driven by the positive and negative rotation of the lifting driving motor, the screw rod is driven to rotate, and the screw rod nut and the telescopic square tube are driven to move up and down by the rotation of the screw rod.

Furthermore, the truss is of a hollow frame structure with an opening at the lower part, and the transverse moving mechanism, the transverse moving driving motor, the second speed reducer, the driving gear and the driven gear are all arranged in the hollow part of the truss.

The utility model discloses still specifically provide a technical implementation scheme that railway line part laid group's hoist and mount and put in addition, include: the plurality of railway line component paving and replacing gantry crane devices are arranged at intervals along the length direction of a railway line.

Through implementing the aforesaid the utility model provides a technical scheme that railway line part laid gantry crane and crowd's hoist and mount were put has following beneficial effect:

(1) the utility model discloses the portal jib crane and the group hoisting device are traded to railway line part, and the line part is changed and can not occupy the adjacent line space, and the flexible operation does not have the operation safety risk, can adapt to the operation demand under the complicated circuit operating mode well;

(2) the utility model discloses railway line parts are spread and are traded gantry crane and group's hoist and mount device, both be applicable to whole group switch change and also be adapted to the change of single switch rail, switch core etc. and can realize the transport, place, position adjustment and change to various different length line parts through the combination of a plurality of gantry cranes device;

(3) the utility model discloses railway line part is spread and is traded gantry crane and crowd's hoist and mount device, possess landing leg sideslip, lift, leveling function, landing leg transverse span interval, apart from the ground height all adjustable, can satisfy the function of different circuit ground operating mode demands, and gantry crane device height-adjustable, do not have the risk of touching the contact net in the lifting process;

(4) the utility model discloses the railway line part is spread and is traded gantry crane and group's hoist and mount device, and the landing leg strides the both sides of locating the railway line, need not to occupy the adjacent line operation, does not have the risk that the operation surpassed the boundary limit, and the device simple structure simultaneously, the reliability is high, the maintenance of being convenient for is overhauld, low in manufacturing cost, operating efficiency is high;

(5) the utility model discloses railway line parts are spread and are traded gantry crane and crowd's hoist and mount and put, and occupation space is little, the quality is light, and the placing and retrieving of gantry crane device can be realized through lift platform, and the transportation of gantry crane device, placing, operation, retrieving all can adopt wireless control, and integration and intelligent degree are high, and the operating efficiency further improves.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It is obvious that the drawings in the following description are only some embodiments of the invention, from which other embodiments can be derived by a person skilled in the art without inventive effort.

Fig. 1 is a schematic perspective view of an embodiment of the railway line component replacement gantry crane of the present invention (after removing the front shielding of the truss);

fig. 2 is a schematic view of the present invention in a partially enlarged structure of fig. 1;

fig. 3 is a partially enlarged schematic view of another portion of fig. 1 according to the present invention;

FIG. 4 is a schematic structural view of a lifting mechanism in an embodiment of the railroad component replacement gantry crane of the present invention;

FIG. 5 is a schematic structural view of a traverse travel mechanism in an embodiment of the railway track component replacement gantry crane of the present invention;

fig. 6 is a schematic structural view of a leg traversing mechanism in a specific embodiment of the railway line component replacement gantry crane apparatus of the present invention;

fig. 7 is a schematic structural view of a lower leg of a specific embodiment of the railway line component replacement gantry crane of the present invention;

fig. 8 is a schematic view of a single hoisting structure of an embodiment of the railway line component replacement gantry crane of the present invention;

fig. 9 is a schematic view of a hoisting structure of a specific embodiment of the railway line component replacement group hoisting device of the present invention;

FIG. 10 is a schematic view of a transportation configuration of an embodiment of the railroad component replacement gantry crane of the present invention;

fig. 11 is a flowchart illustrating a procedure of an embodiment of the method for operating a railway line component replacement gantry crane of the present invention;

fig. 12 is a schematic view of a gantry crane transportation (first platform transportation) step in one embodiment of the method for operating a railway line component replacement gantry crane of the present invention;

fig. 13 is a schematic view of a step of deploying (removing the first platform) the gantry crane in one embodiment of the method for operating a railway line component replacement gantry crane of the present invention;

FIG. 14 is a schematic view of the new line component unloading (second car withdrawal) step in one embodiment of the method of the present invention;

FIG. 15 is a schematic view of the hoisting step of the gantry crane in one embodiment of the method for operating a railway line component replacement gantry crane of the present invention;

fig. 16 is a schematic view of the second carriage driving step in one embodiment of the method for operating a railway line component replacement gantry crane of the present invention;

fig. 17 is a schematic view of a step of recovering old track components (driving in the first platform car) in an embodiment of the method for operating a railway track component replacement gantry crane according to the present invention;

FIG. 18 is a schematic view of a gantry crane recovery step in one embodiment of the method of operating a railway line component replacement gantry crane of the present invention;

in the figure: 1-leveling legs, 2-lower left legs, 3-upper left legs, 4-trusses, 5-endless chains, 6-hooks, 7-lifting mechanisms, 8-traversing running mechanisms, 9-upper right legs, 10-lower right legs, 11-load beams, 12-hoisting driving motors, 13-reducers, 14-first transmission gears, 15-second transmission gears, 16-endless chains, 17-mounting boxes, 18-transverse driving motors, 19-first reducers, 20-running wheels, 21-driving sprockets, 22-driven sprockets, 23-running rails, 24-slotted holes, 25-sliders, 26-guide rails, 27-mounting plates, 28-traversing driving motors, 29-second reducers, 30-driving gear, 31-driven gear, 32-first rack, 33-second rack, 34-screw rod, 35-screw rod nut, 36-screw rod bearing, 37-telescopic square tube, 38-fixed square tube, 39-supporting square tube, 40-cross beam, 41-lifting driving motor, 42-third reducer, 100-gantry crane device, 200-lifting platform, 300-first flat car, 400-second flat car, 500-new line component, 600-old line component, 700-hanger, 800-basic rail, 900-operation surface (roadbed), 1000-rail car.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings in the embodiments of the present invention are combined below to clearly and completely describe the technical solutions in the embodiments of the present invention. It is to be understood that the disclosed embodiments are merely exemplary of the invention, and are not intended to limit the invention to the precise embodiments disclosed. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

As shown in fig. 1 to 18, the present invention provides a specific embodiment of a railway line component replacement gantry crane and a group crane device, and the present invention will be further explained with reference to the drawings and the specific embodiment.

The railway line parts mainly refer to vulnerable steel rail parts, turnout center parts of turnouts, switch rail parts and the like, and the parts are mainly characterized by long and thin size, heavy weight and difficult manual carrying, and the replacement by adopting the existing construction equipment has the defects of large equipment volume, easy damage to the replaced parts and potential safety hazards. Aiming at the large part replacement operation of the railway line at the present stage, the technical defects that the track crane has large equipment volume, large occupied space, the need of calling a plurality of rail flatcars for cooperative operation, the risk of touching a contact net, the need of occupying the space of an adjacent line, large damage of a large load to the line and the like exist. The traditional gantry crane has the technical defects that the structure is not flexible, the gantry crane cannot move and adjust in all directions, and the gantry crane cannot adapt to different ground working conditions on site. The following embodiments take the railway turnout replacing operation as an example, and the detailed description is given to the railway line component replacing gantry crane and the group crane device of the utility model.

Example 1

As shown in fig. 1, an embodiment of the gantry crane apparatus 100 for laying railway line components of the present invention specifically includes:

a truss 4;

a transverse moving mechanism 8 which is arranged on the truss 4 and can move transversely (in the direction W shown in the attached figure 1) along the truss 4 so as to adjust the hoisting position; the transverse moving walking mechanism 8 comprises a lifting mechanism 7, the lifting mechanism 7 can drive the endless chain 16 to move up and down along the vertical direction, the tail end of the endless chain 16 is provided with a lifting hook 6, the lifting hook 6 is further connected with a lifting appliance 700, and the lifting appliance 700 clamps the parts of the railway line to realize the transportation;

the left support leg and the right support leg are movably arranged at the lower parts of the left end and the right end of the truss 4 respectively, and can move transversely along the truss 4 to adjust the transverse span of the door hanger device 100. The left supporting leg and the right supporting leg are arranged on two sides of a railway line in a spanning mode, adjacent line operation does not need to be occupied, and the risk of exceeding a limit in operation does not exist.

The left and right legs can be vertically moved (as shown by H in fig. 1) to adjust the height of the truss 4 from the working surface 900 (i.e., the roadbed).

The lower parts of the left supporting leg and the right supporting leg are provided with leveling supporting legs 1, and the leveling function of the left supporting leg, the right supporting leg and the gantry crane device 100 can be realized through the leveling supporting legs 1. The leveling support leg 1 can realize fine height adjustment according to the flatness condition of the working surface 900.

Embodiment 1 describes the utility model discloses railway line parts is spread and is traded gantry crane device 100 possesses multi-functional self-adaptation characteristics, and the landing leg of the horizontal both sides of the device supports on the working face 900 of circuit both sides, but the landing leg sideslip of both sides, lift, leveling to satisfy the operation demand of different circuit ground operating modes. Two horizontal landing legs of gantry crane device 100 support in the left and right sides of circuit, and the change of new and old circuit part is gone on in gantry crane device 100's interior empty part, need not to occupy the adjacent line space during this line operation, need not to touch the risk of contact net, and can not produce the ballast damage to the circuit. The landing leg of gantry crane device 100 possesses the sideslip function, can adapt to the operating mode demand of circuit both sides difference ground width. The landing leg of gantry crane device 100 possesses vertical scalable regulatory function, can be applicable to the operation operating mode of different ground height, can lift by crane the circuit part that needs to be changed to different operation height simultaneously.

As shown in fig. 2, the left leg includes an upper left leg 3 connected to the truss 4 and a lower left leg 2 movably connected to the upper left leg 3, and the upper left leg 3 can vertically move up and down relative to the lower left leg 2. As shown in fig. 3, the right leg includes a right upper leg 9 connected to the truss 4 and a right lower leg 10 movably connected to the right upper leg 9, and the right upper leg 9 is vertically movable up and down relative to the right lower leg 10.

As shown in fig. 4, the lifting mechanism 7 includes a hoisting driving motor 12, a reducer 13, a first transmission gear 14 and a second transmission gear 15. The hoisting driving motor 12 drives the first transmission gear 14 to rotate through the speed reducer 13, the first transmission gear 14 drives the second transmission gear 15 to rotate, and the second transmission gear 15 is connected with the loop chain 16. The lifting function of the ring chain 16 in the vertical direction can be realized through the forward and backward rotation of the hoisting driving motor 12. The lifting structure of the lifting mechanism 7 adopts a mode that the ring chain 16 is matched with the gear, so that the slipping phenomenon in the lifting process can be effectively prevented.

As shown in FIG. 5, the traverse traveling mechanism 8 further includes an endless chain 5, a mounting box 17, a traverse driving motor 18, a first reduction gear 19, traveling wheels 20, a driving sprocket 21, a driven sprocket 22, and a traveling rail 23. The lifting mechanism 7 is arranged in the mounting box 17, and the traveling wheels 20 are arranged at the bottom of the mounting box 17. The running rails 23 are transversely arranged on the inner side of the bottom of the truss 4, and the running wheels 20 are matched with the running rails 23. The transverse driving motor 18 drives the driving sprocket 21 to rotate through the first speed reducer 19, the driving sprocket 21 rotates to drive the endless chain 5 to rotate, and the driven sprocket 22 provides auxiliary positioning for the rotation of the endless chain 5. Two ends of the annular chain 5 are connected with the mounting box 17, and the lifting mechanism 7 is driven by positive and negative rotation of the transverse driving motor 18 to realize the transverse movement function in the horizontal direction.

As shown in fig. 6, a long slot 24 is transversely formed at the bottom of the truss 4, and sliding blocks 25 are respectively arranged on both sides of the upper parts of the left upper supporting leg 3 and the right upper supporting leg 9 along the longitudinal direction (the direction shown as L in fig. 6). The bottom of the truss 4 is transversely provided with a guide rail 26, the upper parts of the left upper supporting leg 3 and the right upper supporting leg 9 are respectively provided with a mounting plate 27, and the mounting plates 27 upwards penetrate through the long slotted holes 24. The mounting plate 27 is provided with a traverse driving motor 28, a second speed reducer 29, a driving gear 30, and a driven gear 31, and the bottom of the truss 4 is provided with a first rack 32 and a second rack 33 in parallel with each other in the lateral direction. The transverse moving driving motor 28 drives the driving gear 30 to rotate through the second speed reducer 29, the driving gear 30 is meshed with the first rack 32, and the driven gear 31 is meshed with the second rack 33 to provide auxiliary positioning for transverse moving of the support legs. The guide rail 26 is matched with the slide block 25 to provide a guide for the transverse movement of the left upper supporting leg 3 and the right upper supporting leg 9. The transverse movement of the left upper supporting leg 3 and the right upper supporting leg 9 is realized through the positive and negative rotation of the transverse moving driving motor 28. The truss 4 is further of a hollow frame structure with an open lower portion, and the traverse travel mechanism 8, the traverse driving motor 28, the second reduction gear 29, the driving gear 30, and the driven gear 31 are all disposed in the hollow interior of the truss 4.

As shown in fig. 7, each of the left upper leg 3 and the right upper leg 9 includes a screw 34, a screw nut 35, a screw bearing 36, and a telescopic square tube 37. The screw rod 34 is arranged in the telescopic square tube 37, the screw rod nut 35 is fixed on the bottom side of the inside of the telescopic square tube 37, and the screw rod 34 is matched with the screw rod nut 35. The upper portion of the screw 34 is fixed inside a telescopic square tube 37 by a screw bearing 36. The left lower leg 2 and the right lower leg 10 both comprise a fixed square pipe 38, a supporting square pipe 39, a cross beam 40 and a carrier beam 11. The fixed square pipe 38 is fitted outside the telescopic square pipe 37, the support square pipe 39 is provided on both sides of the fixed square pipe 38, the upper part of the fixed square pipe 38 is fixed to one end of the support square pipe 39, and the lower part of the fixed square pipe 38 is fixed to the support square pipe 39 via a cross beam 40. The other end of the supporting square tube 39 is fixed with the carrier bar 11, the carrier bar 11 is provided with a lifting driving motor 41 and a third speed reducer 42, and the lower part of the screw rod 34 extends out of the bottom of the telescopic square tube 37 and the fixed square tube 38 and then is connected with the third speed reducer 42. The third speed reducer 42 is driven by the positive and negative rotation of the lifting driving motor 41, the lead screw 34 is driven to rotate, and the lead screw nut 35 and the telescopic square tube 37 are driven to move up and down by the rotation of the lead screw 34, so that the left supporting leg and the right supporting leg are telescopic.

As shown in fig. 8, which is a schematic diagram of the placement and operation of a single gantry crane apparatus 100, the legs at both lateral sides of the gantry crane apparatus 100 are supported on the roadbed 900 at both sides of the line, and the leg spacing of the gantry crane apparatus 100 is adjustable in the W direction and in the H direction from the ground.

The utility model provides an embodiment that the utility model discloses railway line part is spread and is traded group's hoist and mount and put specifically includes: a plurality of the railway line component replacement gantry cranes 100 as described above are spaced apart along the length of the railway line. Example 1a plurality of gantry crane assemblies 100 with a multifunctional adaptive feature are further grouped into a group crane group along the railway line working direction (shown as L in fig. 9), and the group crane group works in cooperation to complete intelligent replacement of the railway line long and large components. As shown in fig. 9, a schematic view of the placement and operation of a plurality of gantry cranes 100 along the line work direction L is shown, and the replacement work of railway line components of various sizes can be realized by performing the hoisting work at multiple points by the plurality of gantry cranes 100. The gantry crane device 100 can realize the hoisting and translation of railway line components through a set of driving mechanism, and realize the hoisting and carrying functions of the railway line components. The gantry crane device effectively reduces the total height of a hoisting space, simplifies the structure, reduces the volume, can adjust the height of the supporting legs, and can automatically adapt to different heights of the working surfaces 900 on two sides of a line.

Example 2

As shown in fig. 10, for the schematic view of the transportation structure of the gantry crane apparatus 100 of the present invention described in embodiment 1 on the rail flat car, the gantry crane apparatus 100 and the lifting platform 200 are both disposed on the first flat car 300, the gantry crane apparatus 100 is further fixed on the lifting platform 200, and the lifting platform 200 has the lifting and rotating functions. A new line part 500 for replacement is placed on the second flat car 400. The gantry 100 placed on the first flat car 300, and the new line part 500 placed on the second flat car 400 are transported to the construction area by the power of the rail car 1000. After reaching the designated construction area, the gantry crane apparatus 100 places the legs at both lateral sides of the gantry crane apparatus 100 in the designated areas of the roadbed 900 at both sides of the basic rail 800 of the present line by the lifting and rotating actions of the lifting platform 200 on the first platform car 300.

Example 3

As shown in fig. 11, an embodiment of the method for operating a gantry crane for laying and replacing railway line components according to embodiment 1 specifically includes the following steps:

s101) the gantry crane apparatus 100 retracts the left leg and the right leg, and is fixed on the first flat car 300 to be transported to the work site, as shown in fig. 12;

s102) after arriving at a construction site, deploying the gantry crane apparatus 100 through the lifting platform 200, extending and supporting the left and right legs of the gantry crane apparatus 100 to a working plane 900, adjusting the levelness of the truss 4, and withdrawing the first flat car 300, as shown in fig. 13;

s103) the gantry crane apparatus 100 lifts the new line part 500 placed on the second cart 400 and transported thereunder, and the second cart 400 is withdrawn, as shown in fig. 14;

s104) the gantry crane apparatus 100 moves the new line component 500 to one side of the line for placement, and moves the old line component 600 to the other side of the line after lifting, as shown in fig. 15;

s105) the gantry crane apparatus 100 lifts and moves the new route component 500 to the route, lifts the old route component 600, and drives in the second carriage 400, as shown in fig. 16;

s106) after the gantry crane apparatus 100 places the old line component 600 on the second flatcar 400, the second flatcar 400 is driven away, as shown in fig. 17;

s107) the first flat car 300 drives in, the gantry crane device 100 is recovered to the first flat car 300 through the lifting platform 200, and the first flat car 300 drives away to complete the laying and replacing of railway line components, as shown in figure 18.

The number of the gantry crane devices 100 is determined according to the length of the line component, the deployment and the recovery of the gantry crane devices 100 are carried out through the first flat car 300 and the lifting platform 200, and the laying and the replacement of the long and large railway line component are realized through the multipoint synchronous operation of the gantry crane devices 100. Meanwhile, the distance and the height between the left support leg and the right support leg of the gantry crane device 100 can be adjusted to meet the requirements of different working conditions of the working surface. When the hoisting operation of the railway line components is carried out, the whole load of the gantry crane device 100 acts on the roadbed 900 of the railway line through the leveling supporting legs 1, and the pressure of the load acting on the roadbed 900 can be effectively dispersed through leveling so as to reduce the damage of the operation of the gantry crane device 100 on the railway line.

Embodiment 3 describes the utility model discloses railway line parts shop changes gantry crane device operation method, the horizontal interval and the terrain clearance of two landing legs of single gantry crane device 100 are adjustable, can satisfy the demand of different operation face operating modes, when gantry crane device 100 is under construction on this line, do not occupy the adjacent line space, and the load of lifting by crane is applyed the road bed 900 in railway line both sides, does not have the loading damage to the circuit. Meanwhile, the plurality of gantry cranes 100 form a gantry crane group, when the gantry crane group is constructed, the plurality of gantry cranes 100 realize synchronous control, cooperative operation and multipoint hoisting through wireless remote control, and the number of gantry cranes 100 is increased or decreased according to the length of a line part so as to adapt to the replacement of railway line parts with all lengths and types, particularly to the replacement of long and large line parts. A plurality of gantry cranes 100 are carried by the first flat car 300 and are deployed and retrieved on the construction line by the lifting platform 200 on the first flat car 300. When hoisting operation is carried out, the whole load acts on the roadbed 900 of the railway line through the leveling supporting legs 1, and the railway line cannot be damaged.

In the description of the present application, it is noted that when an element is referred to as being "fixed" or "disposed" on another element, it can be directly on the other element or be indirectly disposed on the other element; when an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.

It will be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in an orientation or positional relationship indicated in the drawings for convenience in describing and simplifying the description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed in a particular orientation, and be operated in a particular manner and therefore should not be construed as limiting the application.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, "plurality" or "a plurality" means two or more unless specifically limited otherwise.

It should be understood that the structures, ratios, sizes, and the like shown in the drawings are only used for matching the disclosure of the specification, so as to be understood and read by those skilled in the art, and are not used to limit the conditions that the present application can be implemented, so that the present application has no technical significance.

Through implementing the utility model discloses technical scheme that railway line part shop changed gantry crane and crowd's hoist and mount device that concrete embodiment described can produce following technological effect:

(1) the railway line component replacement gantry crane and the group crane device described in the specific embodiment of the utility model have the advantages that the adjacent line space is not occupied by the replacement of the line component, the operation is flexible, the operation safety risk is avoided, and the operation requirement under the working condition of a complex line can be well met;

(2) the railway line component replacement gantry crane and the group hoisting device described in the specific embodiment of the utility model are suitable for replacing the whole set of turnout and replacing single switch rails, switch centers and the like, and can realize the transportation, placement, position adjustment and replacement of various line components with different lengths through the combination of a plurality of gantry cranes;

(3) the railway line component replacement gantry crane and the group hoisting device described in the specific embodiment of the utility model have the functions of transverse movement, lifting and leveling of the supporting legs, the transverse span distance and the ground distance height of the supporting legs are adjustable, the requirements of different line ground working conditions can be met, the height of the gantry crane device is adjustable, and the risk of touching a contact net is avoided in the hoisting process;

(4) the railway line component replacement gantry crane and the group crane device described in the specific embodiment of the utility model have the advantages that the supporting legs are arranged on two sides of the railway line in a spanning manner, the adjacent line operation is not required to be occupied, the risk of exceeding the limit of the operation is avoided, and meanwhile, the device has the advantages of simple structure, high reliability, convenience in maintenance and repair, low manufacturing cost and high operation efficiency;

(5) the utility model discloses railway line parts shop trades gantry crane and crowd's hoist and mount device that concrete embodiment described, occupation space is little, the quality is light, and placing and retrieving of gantry crane device can be realized through lift platform, and gantry crane device's transportation, placing, operation, recovery all can adopt wireless control, and integration and intelligent degree are high, and the operating efficiency further improves.

In the present specification, the embodiments are described in a progressive manner, and each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.

The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention in any way. Although the present invention has been described with reference to the preferred embodiments, it is not intended to limit the present invention. Those skilled in the art can make numerous changes and modifications to the disclosed embodiments, or modify equivalent embodiments, without departing from the spirit and scope of the invention, using the methods and techniques disclosed above. Therefore, any simple modification, equivalent replacement, equivalent change and modification made to the above embodiments by the technical entity of the present invention all still belong to the protection scope of the technical solution of the present invention.

Claims

1. The utility model provides a railway line parts lays and trades gantry crane device which characterized in that includes:

a truss (4);

a transverse moving mechanism (8) which is arranged on the truss (4) and can move transversely along the truss (4); the transverse moving walking mechanism (8) comprises a lifting mechanism (7), the lifting mechanism (7) can drive the endless chain (16) to move up and down along the vertical direction, and the end part of the endless chain (16) is connected with a lifting appliance (700);

respectively movably set up in left branch leg and right branch leg of both ends lower part about truss (4), left branch leg and right branch leg can carry out lateral shifting along truss (4) to can carry out elevating movement along the vertical.

2. The railroad component replacement gantry crane of claim 1, wherein: the lower parts of the left supporting leg and the right supporting leg are provided with leveling supporting legs (1), and the leveling functions of the left supporting leg, the right supporting leg and the gantry crane device (100) can be achieved through the leveling supporting legs (1).

3. The railroad line component replacement gantry crane of claim 1 or 2, wherein: the left leg comprises an upper left leg (3) connected to the truss (4) and a lower left leg (2) movably connected with the upper left leg (3); the right leg comprises an upper right leg (9) connected to the truss (4) and a lower right leg (10) movably connected to the upper right leg (9).

4. The railroad component replacement gantry crane of claim 3, wherein: the lifting mechanism (7) comprises a lifting driving motor (12), a speed reducer (13), a first transmission gear (14) and a second transmission gear (15); the hoisting driving motor (12) drives a first transmission gear (14) to rotate through a speed reducer (13), the first transmission gear (14) drives a second transmission gear (15) to rotate, and the second transmission gear (15) is connected with a loop chain (16).

5. The railroad component replacement gantry crane of claim 4, wherein: the transverse moving mechanism (8) further comprises an annular chain (5), a mounting box (17), a transverse driving motor (18), a first speed reducer (19), a moving wheel (20), a driving chain wheel (21), a driven chain wheel (22) and a moving rail (23); the lifting mechanism (7) is arranged in the mounting box (17), and the walking wheels (20) are arranged at the bottom of the mounting box (17); the walking rails (23) are transversely arranged on the inner side of the bottom of the truss (4), and the walking wheels (20) are matched with the walking rails (23); the transverse driving motor (18) drives a driving chain wheel (21) to rotate through a first speed reducer (19), the driving chain wheel (21) rotates to drive the annular chain (5) to rotate, and the driven chain wheel (22) provides auxiliary positioning for the rotation of the annular chain (5); and two ends of the annular chain (5) are connected with the mounting box (17).

6. The railroad line component replacement gantry crane of claim 4 or 5, wherein: the bottom of the truss (4) is transversely provided with a long slotted hole (24), and the upper parts of the left upper supporting leg (3) and the right upper supporting leg (9) are provided with sliding blocks (25) along the longitudinal two sides; a guide rail (26) is transversely arranged at the bottom of the truss (4), mounting plates (27) are arranged at the upper parts of the left upper supporting leg (3) and the right upper supporting leg (9), and the mounting plates (27) upwards penetrate through the long slotted holes (24); a transverse moving driving motor (28), a second speed reducer (29), a driving gear (30) and a driven gear (31) are arranged on the mounting plate (27), and a first rack (32) and a second rack (33) are arranged at the bottom of the truss (4) in parallel along the transverse direction; the transverse moving driving motor (28) drives a driving gear (30) to rotate through a second speed reducer (29), the driving gear (30) is meshed with a first rack (32), and a driven gear (31) is meshed with a second rack (33) to provide auxiliary positioning for transverse moving of the supporting legs; the guide rail (26) is matched with the sliding block (25) to provide guide for the transverse movement and the walking of the upper left supporting leg (3) and the upper right supporting leg (9).

7. The railroad component replacement gantry crane of claim 6, wherein: the left upper supporting leg (3) and the right upper supporting leg (9) respectively comprise a screw rod (34), a screw rod nut (35), a screw rod bearing (36) and a telescopic square tube (37); the screw rod (34) is arranged in the telescopic square tube (37), the screw rod nut (35) is fixed on the bottom side of the inner part of the telescopic square tube (37), and the screw rod (34) is matched with the screw rod nut (35); the upper part of the screw rod (34) is fixed inside the telescopic square pipe (37) through a screw rod bearing (36).

8. The railroad component replacement gantry crane of claim 7, wherein: the left lower supporting leg (2) and the right lower supporting leg (10) respectively comprise a fixed square pipe (38), a supporting square pipe (39), a cross beam (40) and a bearing beam (11); the fixed square pipe (38) is sleeved outside the telescopic square pipe (37), the supporting square pipe (39) is arranged on the left side and the right side of the fixed square pipe (38), the upper part of the fixed square pipe (38) is fixed with one end of the supporting square pipe (39), and the lower part of the fixed square pipe (38) is fixed with the supporting square pipe (39) through a cross beam (40); the other end of the supporting square pipe (39) is fixed with the bearing beam (11), a lifting driving motor (41) and a third speed reducer (42) are arranged on the bearing beam (11), and the lower part of the screw rod (34) extends out of the bottom of the telescopic square pipe (37) and the bottom of the fixed square pipe (38) and then is connected with the third speed reducer (42); the third speed reducer (42) is driven by the positive and negative rotation of the lifting driving motor (41), so that the screw rod (34) is driven to rotate, and the screw rod nut (35) and the telescopic square tube (37) are driven to move up and down by the rotation of the screw rod (34).

9. The railroad component replacement gantry crane of claim 7 or 8, wherein: the truss (4) is of a hollow frame structure with an opening at the lower part, and the transverse moving mechanism (8), the transverse moving driving motor (28), the second speed reducer (29), the driving gear (30) and the driven gear (31) are all arranged in the hollow part of the truss (4).

10. A railway line component is spread and is traded group's hoist device which characterized in that includes: a plurality of railway line component replacement gantry cranes (100) as claimed in any one of claims 1 to 9 arranged at intervals along the length of a railway line.