CN115162070A

CN115162070A - Method for installing and constructing track beam frame in DM80 inverted portal warehouse

Info

Publication number: CN115162070A
Application number: CN202210877738.0A
Authority: CN
Inventors: 李庆; 郝东海; 沈永杰; 荣桂朋; 竹海涛; 刘志涛; 丁海辉; 田艳庆; 任超; 杨腾达; 和晋君; 李会波; 董会川
Original assignee: China Railway Sixth Group Co Ltd; Shijiazhuang Railway Construction Co Ltd of China Railway Sixth Group Co Ltd
Current assignee: China Railway Sixth Group Co Ltd; Shijiazhuang Railway Construction Co Ltd of China Railway Sixth Group Co Ltd
Priority date: 2022-07-25
Filing date: 2022-07-25
Publication date: 2022-10-11

Abstract

The application discloses a method for installing and constructing a track beam frame in a DM80 inverted portal library, which comprises the following steps: laying steel rails, assembling and debugging a portal frame, positioning the portal frame, transporting beams, unloading the beams, returning a beam transporting vehicle, longitudinally moving beam pieces, finely adjusting, dropping the beams and installing finger-shaped plates. The construction method has the advantages that the construction method is suitable for finishing the upper cover of the warehouse area, and the construction operation condition of erecting the track beam in the warehouse solves the construction problem that the PC straddle type track beam cannot be erected due to insufficient space in the warehouse; meanwhile, the clamping is convenient, extra manual operation is not needed for carrying out clamping operation, and the clamping is convenient.

Description

Method for installing and constructing track beam frame in DM80 inverted portal warehouse

Technical Field

The invention relates to a facility construction method for a track beam frame in a warehouse, in particular to a facility construction method for a track beam frame in a DM80 inverted portal warehouse, and belongs to the technical field of facility construction of track beam frames.

Background

The simple track beam in the vehicle section is a single-track beam, the strand pitch is 5m, 6.5m, 7m, 8.2m and 14.5m, the section of the track beam adopts a 0.69m rectangular equal-height section, the beam height is 1.8m, the top edge of the beam is provided with a 2 multiplied by 2cm chamfer, and the inside of the beam is provided with a long circular hole. The top plate of the cross section at the branch point is 0.35m thick, the bottom plate is 0.85m thick, and the web plate is 0.29m thick; the top plate of the midspan section is 0.35m thick, the bottom plate is 0.23m thick, and the web plate is 0.2m thick. The supporting points of the track beams are provided with transverse clapboards, the thickness of the transverse clapboards at the supporting points is 1.07m, the middle beam sections are provided with the transverse clapboards with the thickness of 0.4m at certain intervals, wherein 16m beams are provided with 5 middle transverse clapboards, and 25m beams are provided with 8 middle transverse clapboards. The light rail train belongs to a straddle type monorail train, the whole process is unmanned, the vehicle runs on a PC track beam by riding rubber wheels, the precision required for the linear control of the track beam is extremely high, the construction quality control difficulty is high, the technical requirement for the control of the three-dimensional space position of the frame beam is high, the linear shape of the erected track beam directly determines the running state of the light rail train, the installation allowable deviation of the track beam is only 3mm, and the construction is generally carried out by adopting a heavy crane and double-machine matched erection mode.

Due to the fact that the construction process arrangement of the garage area in the vehicle section is achieved, roof construction is completed, the average height in the garage is 7.7m, a heavy truck crane cannot normally operate, and due to the fact that the space in the garage is insufficient, a PC straddle type track beam cannot be erected. At present, no technical method for installing the DM80 into the portal warehouse by upside-down mounting the track beam frame exists.

Disclosure of Invention

In order to solve the defects of the prior art, the application provides a method for constructing the track beam frame in the DM80 inverted portal library, which is used for solving the problem that a PC straddle type track beam cannot be erected due to the insufficient space in the library in the prior art.

According to one aspect of the present application, there is provided a method for installing a DM80 rail beam in an inverted portal library, comprising the steps of:

(1) rail laying

Laying steel rails below a gantry crane of the temporary beam erecting base, paving a stone ballast cushion layer with 50cm wide of a track-out sleeper below the steel rail sleeper in order to ensure that the steel rail sleeper and the beam erecting base are tightly attached and uniformly stressed, wherein the stone ballast strength can be used after being tested to be qualified, the thickness of the stone ballast cushion layer is 40cm, and manually leveling is carried out after the stone ballast is laid to ensure that the stone ballast is tightly compacted;

a lower-passing pedestrian passageway is arranged in front of the parking train inspection shed and the combined inspection warehouse, a beam needs to pass through the lower-passing pedestrian passageway when being erected, the lower-passing pedestrian passageway needs to be treated in order to ensure that the structure of the lower-passing pedestrian passageway is not damaged, graded broken stones are backfilled and tamped, and a steel plate with the thickness of 20mm is laid;

In-warehouse DM80 inverted portal rails are laid along the center line of the track beam at a track beam line interval of 3.65m, sleepers are arranged at a 60cm interval, and the length of each laid rail meets the requirement of recycling one frame beam; according to the field situation, the length of the steel rails to be laid on all lines in the warehouse is 8.6kM, so that the gantry crane can directly transport Liang Di to the position of the beam erecting station track to be erected from the position outside the beam erecting station track warehouse;

(2) assembling and debugging portal frame

Assembling a portal frame on a temporary beam erection base, assembling by matching a truck crane, assembling in sequence, erecting the portal frame by using the portal crane after assembling, installing a lifting mechanism on the main beam, then installing electric and hydraulic components, finally carrying out no-load debugging, no-load detection and heavy load detection on the whole machine, and issuing a detection report and factory pass certificates and a detection report of the portal frame;

(3) portal frame takes one's place

After the portal frame is qualified through inspection, longitudinally moving the portal frame to a beam piece to be erected by using a longitudinal moving winch;

(4) transport beam

The beam pieces are conveyed to the position below the portal frame from the beam manufacturing base through the beam conveying vehicle; after the rail beam is qualified, liang Changna is hoisted to finish the rail beam loading, and the surface of the beam body is protected to prevent the appearance quality from being damaged by collision in the loading process;

1. Due to the rails Liang Jiaochang, buffers must be placed at the designed positions of the rail beams at the trailer padding points, so that vibration and collision damage in the transportation process are prevented;

2. loading, wherein each door type hanging bracket is fixed by 2 adjustable inclined struts; the hoisting rod piece strictly complies with hoisting rules so as to prevent vibration, impact, deformation, falling or other damage in the hoisting process;

3. the special beam transporting vehicle is used for transporting the beam body together with the temporary support to a construction site, and necessary connecting and fixing measures are taken between the beam body and the vehicle in the transportation process;

(5) unload roof beam

When the beam piece is transported to the lower part of the portal frame, the stop wheel wedges are used for bidirectionally wedging the traveling wheels of the beam transporting vehicle, the position of a lifting point of the portal frame is adjusted, a special lifting appliance for the portal frame is used for binding the beam piece, a fixing and binding mechanism on the beam transporting vehicle is released, and the beam piece is lifted;

(6) return of girder transporting vehicle

When the clearance between the beam piece and the beam transporting vehicle is larger than 20cm, stopping lifting, removing the wheel stopping wedges, adjusting the vehicle body of the beam transporting vehicle to a running state, returning the beam transporting vehicle, and adjusting the speed to 4-7km/h when returning;

(7) longitudinally moving beam piece

Adjusting the height of the beam piece to ensure that the distance between the lower surface of the beam piece support and the running surface of the lower track beam is more than 10cm, so as to ensure that no interference occurs during longitudinal movement; dragging the portal frame by a winch to longitudinally move, locking a brake device on the winch after the portal frame is longitudinally moved in place, and simultaneously stopping a cart traveling wheel of the portal frame in two directions by a rail clamping device to prevent the portal frame from sliding when a beam falls;

(8) Fine adjustment and beam falling

Adjusting the transverse position of the beam piece, and dropping the beam piece to the mounting position and fastening; in order to ensure that the later linear adjustment can prevent the track beam from overturning, the same access section is temporarily and fixedly supported;

(9) mounting finger plate

Carrying out finger plate installation in pairs; when the two finger-shaped plates are engaged, the bolt is fastened; when the beam piece erection is completed, the erection of the next beam piece can be carried out.

As another aspect of the present application, there is provided a gantry for facilitating clamping of a beam, including: the lifting mechanism comprises a top frame, a beam body, a walking mechanism, a lifting oil cylinder, a lifting beam, an end seat, a guide sleeve, a guide pillar, a transverse driving component, a carrying pole assembly and a clamping mechanism; wherein the bottoms of the two sides of the top frame are fixedly connected with beam bodies, the bottom of each beam body is connected with a walking mechanism, the top of each walking mechanism is fixedly provided with a vertically arranged lifting oil cylinder, end seats are fixedly arranged at two ends of the hoisting beam, the bottom of each end seat is fixedly connected with the top end of an output shaft of the hoisting oil cylinder, and the hoisting beam is positioned at the bottom of the top frame; a guide sleeve is fixedly embedded on the end seat, the guide sleeve is in clearance fit connection with a guide pillar, one end of the guide pillar is connected with the top of the walking mechanism, and the other end of the guide pillar is fixedly connected with the inner wall of the top of the beam body; a transverse driving component is fixedly installed on the lifting beam along the transverse direction, and the output end of the transverse driving component is fixedly connected with the center of the top of the carrying pole assembly; the bottom of the shoulder pole assembly is fixedly provided with two clamping plates, the bottoms of the two clamping plates are both provided with two groove bodies, and the groove bodies are U-shaped structures; clamping mechanisms are arranged on the periphery of the clamping plate; two the centre gripping has the roof beam piece between the splint, install the reinforcing bar body as the skeleton in the roof beam piece, the reinforcing bar body passes the cell body.

Further, the running gear includes: the wheel body is installed in the front end bottom of the base and the rear end bottom of the base in a rotating mode, the driving motor is fixedly installed on one side wall of the base, the output shaft end of the driving motor is fixedly connected with one end of the wheel body, and the top of the base is fixedly connected with the bottom of the beam body and the bottom of the guide pillar.

Further, the lateral drive assembly comprises: the lifting device comprises end plates, screw rods, lifting seats, nuts and a transverse motor, wherein the number of the end plates is two, the two end plates are fixedly arranged on a lifting beam, the screw rods are rotatably arranged between the two end plates, the nuts are connected to the screw rods in a threaded mode, the bottoms of the nuts are fixedly connected with the lifting seats, the lifting seats are connected with guide grooves formed in the lifting beam in a sliding mode, the guide grooves are transversely arranged, and the bottoms of the lifting seats are fixedly connected with the center of the top of a carrying pole assembly; one side of one of the end plates is provided with a transverse motor, an output shaft end of the transverse motor is fixedly connected with one end of the screw rod, and the transverse motor is fixedly installed on the lifting beam.

Further, the bottom of splint is run through to the one end of cell body, the other end of cell body and the intercommunicating pore intercommunication of seting up in the splint bottom, a tip department of cell body is provided with first spring, and just first spring is located the top of intercommunicating pore, the top fixedly connected with pressure head of first spring, a tip cell wall fixed connection of the bottom of first spring and cell body.

Furthermore, the clamping plate is vertically provided with a sliding groove, the sliding groove is connected with a U-shaped frame in a clearance fit manner, two ends of the U-shaped frame are of J-shaped structures, the end part of the U-shaped frame is connected with the communicating hole in a clearance fit manner, and the end part of the U-shaped frame is fixedly connected with the bottom edge of the pressure head.

Furthermore, a fixing rod is fixedly mounted in front of the top of the U-shaped frame and behind the top of the U-shaped frame, a rack is fixedly connected to the bottom edge of the fixing rod and vertically arranged, the rack is embedded into a through groove formed in a clamping plate, an inner cavity is formed in the clamping plate, a gear is arranged in the inner cavity, and the gear is meshed with the rack and connected with the gear.

Further, the clamping mechanism includes: screwed pipe, double-screw bolt, square pole, circle cover and pressure disk, the screwed pipe runs through the inner chamber, screwed pipe and splint fixed connection, screwed pipe threaded connection has the double-screw bolt, the one end of double-screw bolt is connected with the pressure disk, the one end clearance fit of circle cover and screwed pipe is connected, the one end and the gear fixed connection of circle cover, the inner circle of gear is connected with the ring channel clearance fit of seting up on the screwed pipe, a plurality of shrinkage pools have evenly been seted up to the inner circle of gear, clearance fit is connected with the ball in the shrinkage pool, the ball contacts with the cell wall of ring channel, the one end inner wall middle part fixedly connected with square pole of circle cover, the square pole is connected with the square hole clearance fit of seting up at double-screw bolt one end middle part.

Furthermore, a round cavity is formed in one end of the stud, a round seat is connected in the round cavity in a clearance fit mode, one end of the round seat penetrates through a round hole formed in one end of the stud, the round seat is fixedly connected with the middle of the pressure plate, and a second spring is arranged in the round cavity.

Furthermore, the front fixed mounting of the roof beam body has the mount, mount fixed mounting has the switch board, switch board and driving motor, play to rise hydro-cylinder and horizontal motor electric connection.

The application has the advantages that: the construction method is suitable for the construction operation condition of erecting the track beam in the warehouse by finishing the upper cover of the warehouse area, and solves the construction problem that the PC straddle type track beam cannot be erected due to insufficient space in the warehouse; meanwhile, the clamping is convenient, extra manual operation is not needed for carrying out clamping operation, and the clamping is convenient.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this application, serve to provide a further understanding of the application and to enable other features, objects, and advantages of the application to be more apparent. The drawings and their description illustrate the embodiments of the invention and do not limit it. In the drawings:

FIG. 1 is a schematic flow diagram of a DM80 in-warehouse track beam erecting facility construction method by upside-down mounting of a portal beam according to one embodiment of the present application;

FIG. 2 is a schematic structural view of reinforcing a underpass pedestrian passageway in the embodiment;

FIG. 3 is a schematic view of a gantry of the present application that facilitates clamping of a beam;

FIG. 4 is an enlarged schematic view of part A of the embodiment shown in FIG. 3;

FIG. 5 is a cross-sectional view of the splint of the embodiment shown in FIG. 3;

FIG. 6 is a schematic view showing an installation structure of the threaded pipe in the embodiment shown in FIG. 3;

FIG. 7 is a schematic view of the gear mounting arrangement of the embodiment of FIG. 3;

FIG. 8 is a schematic view of the wheel mounting structure of the embodiment shown in FIG. 3;

fig. 9 is a schematic structural view of the beam piece in the embodiment shown in fig. 3.

The meaning of the reference symbols in the figures: 1. a base; 2. a beam body; 3. a wheel body; 4. a drive motor; 5. a top frame; 6. a lifting oil cylinder; 7. a lifting beam; 8. an end seat; 9. a guide post; 10. a guide sleeve; 11. a guide groove; 12. an end plate; 13. a screw; 14. a nut; 15. a transverse motor; 16. a hanging seat; 17. carrying pole assembly; 18. a splint; 19. a platen; 20. a fixed mount; 21. a control cabinet; 22. a beam piece; 2201. a reinforcement body; 23. a trough body; 24. a pressure head; 25. a U-shaped frame; 26. fixing the rod; 27. a rack; 28. a round sleeve; 29. a communicating hole; 30. a first spring; 31. a chute; 32. a through groove; 33. an inner cavity; 34. a gear; 35. a threaded pipe; 36. a square bar; 37. a stud; 38. an annular groove; 39. a circular cavity; 40. a second spring; 41. a round base; 42. and a ball.

Detailed Description

In order to make the technical solutions better understood by those skilled in the art, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only partial embodiments of the present application, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It should be understood that the data so used may be interchanged under appropriate circumstances such that embodiments of the application described herein may be used. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.

In this application, the terms "upper", "lower", "left", "right", "front", "rear", "top", "bottom", "inner", "outer", "middle", "vertical", "horizontal", "lateral", "longitudinal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings. These terms are used primarily to better describe the present application and its embodiments, and are not used to limit the indicated devices, elements or components to a particular orientation or to be constructed and operated in a particular orientation.

Moreover, some of the above terms may be used in other meanings besides orientation or positional relationship, for example, the term "upper" may also be used in some cases to indicate a certain attaching or connecting relationship. The specific meaning of these terms in this application will be understood by those of ordinary skill in the art as appropriate.

Furthermore, the terms "mounted," "disposed," "provided," "connected," and "sleeved" are to be construed broadly. For example, it may be a fixed connection, a removable connection, or a unitary construction; can be a mechanical connection, or an electrical connection; may be directly connected, or indirectly connected through intervening media, or may be in internal communication between two devices, elements or components. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as the case may be.

It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present application will be described in detail below with reference to the embodiments with reference to the attached drawings.

Referring to fig. 1 to 9, a method for installing a dm80 into an inverted portal library, wherein the method for installing the dm80 into the inverted portal library comprises the following steps:

(1) rail laying

a underpass pedestrian passageway is arranged in front of the parking train inspection shed and the combined inspection warehouse, a beam needs to pass through the underpass pedestrian passageway when being erected, the underpass pedestrian passageway needs to be processed in order to ensure that the underpass pedestrian passageway structure is not damaged, graded broken stones are backfilled and tamped, and then a steel plate with the thickness of 20mm (as shown in figure 2) is laid;

in-warehouse DM80 inverted portal rails are laid along the center line of the track beam at a track beam line interval of 3.65m, sleepers are arranged at a 60cm interval, and the length of each laid rail meets the requirement of recycling one frame beam; according to the field situation, the length of steel rails to be laid on all lines in the warehouse is 8.6kM, so that the gantry crane can directly transport Liang Di to the position of the beam track to be erected from the position outside the erected beam track warehouse for erection;

(2) Assembling and debugging portal frame

Assembling a portal frame on a temporary frame beam base, assembling by using a truck crane in a matching way, assembling sequence, mounting a support leg, a traveling mechanism and a main beam, erecting the portal frame by using the portal frame after the assembly, mounting a lifting mechanism on the main beam, mounting electric and hydraulic parts, and finally carrying out no-load debugging, no-load detection and heavy load detection on the whole machine, and issuing a detection report and a factory pass certificate and a detection report of the portal frame;

(3) portal frame takes one's place

(4) transport beam

The beam piece is conveyed to the lower part of the portal frame from the beam manufacturing base through the beam conveying vehicle; after the rail beam is qualified, liang Changna is hoisted to finish the rail beam loading, and the surface of the beam body is protected to prevent the appearance quality from being damaged by collision in the loading process;

(5) unload roof beam

(6) return of girder transporting vehicle

(7) longitudinally moving beam piece

Adjusting the height of the beam piece to ensure that the distance between the lower surface of the beam piece support and the running surface of the lower track beam is more than 10cm, so as to ensure that interference does not occur during longitudinal movement; dragging the portal frame by a winch to longitudinally move, locking a brake device on the winch after the portal frame is longitudinally moved in place, and simultaneously stopping a cart traveling wheel of the portal frame in two directions by a rail clamping device to prevent the portal frame from sliding when a beam falls;

(8) fine adjustment and beam falling

(9) Mounting finger plate

As another aspect of the present application, as shown in fig. 3 to 9, there is provided a gantry for facilitating clamping of a beam slab, including: the lifting device comprises a top frame 5, a beam body 2, a walking mechanism, a lifting oil cylinder 6, a lifting beam 7, an end seat 8, a guide sleeve 10, a guide pillar 9, a transverse driving component, a carrying pole assembly 17 and a clamping mechanism.

As shown in fig. 3, as a specific solution, a beam body 2 is fixedly connected to the bottoms of both sides of the top frame 5, a walking mechanism is connected to the bottom of the beam body 2, the walking mechanism can walk on a steel rail to realize movement, a vertically arranged lifting cylinder 6 is fixedly mounted on the top of the walking mechanism, end bases 8 are fixedly mounted at both ends of the lifting beam 7, the bottoms of the end bases 8 are fixedly connected to the top ends of output shafts of the lifting cylinders 6, the lifting beam 7 is located at the bottom of the top frame 5, and the lifting cylinder 6 is lifted to adjust the height of the lifting beam 7.

As shown in fig. 3, as a specific solution, a guide sleeve 10 is fixedly fitted on the end seat 8, a guide post 9 is connected to the guide sleeve 10 in a clearance fit manner, one end of the guide post 9 is connected to the top of the traveling mechanism, the other end of the guide post 9 is fixedly connected to the inner wall of the top of the beam body 2, and when the height is adjusted, the guiding is performed through the guide sleeve 10 and the guide post.

As shown in fig. 3, as a specific solution, a transverse driving component is fixedly installed on the lifting beam 7 along the transverse direction, and an output end of the transverse driving component is fixedly connected with the top center of the carrying pole assembly 17 and can be driven to move left and right through the transverse driving component.

As shown in fig. 4 and fig. 9, as a specific solution, two clamping plates 18 are fixedly installed at the bottom of the shoulder pole assembly 17, two groove bodies 23 are respectively opened at the bottoms of the two clamping plates 18, and the groove bodies 23 are U-shaped structures; a beam piece 22 is clamped between the two clamping plates 18, a steel bar body 2201 serving as a framework is installed in the beam piece 22, the steel bar body 2201 penetrates through the groove body 23, and the steel bar body 2201 penetrates through the groove body 23 to realize suspension and hoisting.

As shown in fig. 4, as a specific scheme, the clamping plates 18 are provided with clamping mechanisms on the periphery, so that when the beam piece 22 is hung, the clamping mechanisms can clamp the two sides.

As shown in fig. 3 and 8, the running mechanism may include: base 1, wheel body 3 and driving motor 4, the front end bottom of base 1 and the rear end bottom of base 1 all rotates and installs wheel body 3, fixed mounting has driving motor 4 on the lateral wall of base 1, the output axle head of driving motor 4 and the one end fixed connection of wheel body 3, the bottom fixed connection of the top of base 1 and the bottom of roof beam body 2 and guide pillar 9 drives wheel body 3 through driving motor 4, realizes the rotation of wheel body 3, can walk on the rail.

As shown in fig. 3, as a specific solution, the lateral driving assembly includes: the lifting device comprises end plates 12, screws 13, lifting seats 16, nuts 14 and a transverse motor 15, wherein the number of the end plates 12 is two, the two end plates 12 are both fixedly installed on a lifting beam 7, the screws 13 are rotatably installed between the two end plates 12, the nuts 14 are connected onto the screws 13 in a threaded mode, the lifting seats 16 are fixedly connected to the bottoms of the nuts 14, the lifting seats 16 are connected with guide grooves 11 formed in the lifting beam 7 in a sliding mode, the guide grooves 11 are transversely arranged, and the bottoms of the lifting seats 16 are fixedly connected with the center of the top of a carrying pole assembly 17; one side of one of the end plates 12 is provided with a transverse motor 15, the output shaft end of the transverse motor 15 is fixedly connected with one end of a screw 13, the transverse motor 15 is fixedly installed on the lifting beam 7, the screw 13 is driven to rotate through the transverse motor 15, a drive is provided for a nut 14, and the transverse drive is realized by matching the guide of a lifting seat 16 and a guide groove 11, so that the transverse movement adjustment is realized.

As shown in fig. 5, as a specific scheme, one end of the groove body 23 penetrates through the bottom of the clamping plate 18, the other end of the groove body 23 is communicated with a communication hole 29 formed in the bottom of the clamping plate 18, a first spring 30 is arranged at one end of the groove body 23, the first spring 30 is located at the top of the communication hole 29, a pressure head 24 is fixedly connected to the top end of the first spring 30, the bottom end of the first spring 30 is fixedly connected to one end groove wall of the groove body 23, one end of the groove body 23 is open, the clamping plate 18 is driven to descend, so that the reinforcing steel bar 2201 enters from the opening of the groove body 23, the reinforcing steel bar 2201 moves longitudinally, the reinforcing steel bar 2201 moves onto the pressure head 24, the lifting cylinder 6 can drive the lifting cylinder to move vertically, the beam piece 22 can be lifted, and the gravity of the beam piece 22 acts on the pressure head 24 through the reinforcing steel bar 2201, so that the first spring 30 is compressed to descend.

As shown in fig. 5, as a specific scheme, the clamping plate 18 is vertically provided with a sliding groove 31, the sliding groove 31 is in clearance fit connection with a U-shaped frame 25, both ends of the U-shaped frame 25 are of a J-shaped structure, an end portion of the U-shaped frame 25 is in clearance fit connection with a communication hole 29, an end portion of the U-shaped frame 25 is fixedly connected with a bottom edge of the pressing head 24, and when the pressing head 24 moves, the pressing head drives the U-shaped frame 25 to move together, and the guiding is performed through the communication hole 29.

As shown in fig. 5, as a specific scheme, fixing rods 26 are fixedly mounted in front of the top of the U-shaped frame 25 and in back of the top of the U-shaped frame 25, a vertically arranged rack 27 is fixedly connected to a bottom edge of the fixing rod 26, the rack 27 is embedded into a through groove 32 formed in the clamping plate 18, an inner cavity 33 is formed in the clamping plate 18, a gear 34 is arranged in the inner cavity 33, the gear 34 is meshed with the rack 27, the U-shaped frame 25 can drive the rack 27 to move when moving, the rack 27 is driven to rotate by the rack 27, and therefore the square rod 36 is driven to rotate, and the square rod 36 rotates.

As shown in fig. 6, as a specific solution, the clamping mechanism includes: screwed pipe 35, double-screw bolt 37, square bar 36, circle cover 28 and pressure disk 19, screwed pipe 35 runs through inner chamber 33, screwed pipe 35 and splint 18 fixed connection, screwed pipe 35 threaded connection has double-screw bolt 37, the one end of double-screw bolt 37 is connected with pressure disk 19, circle cover 28 is connected with the one end clearance fit of screwed pipe 35, the one end and the gear 34 fixed connection of circle cover 28, the inner circle of gear 34 is connected with the ring channel 38 clearance fit of seting up on screwed pipe 35, a plurality of shrinkage pools have evenly been seted up to the inner circle of gear 34, clearance fit is connected with ball 42 in the shrinkage pool, ball 42 and the cell wall contact of ring channel 38, the one end inner wall middle part fixedly connected with square bar 36 of circle cover 28, square bar 36 is connected with the square hole clearance fit of seting up at double-screw bolt 37 one end middle part, can drive double-screw bolt 37 and twist about screwed pipe 35 through square bar 36 for the double-screw bolt 37 can remove, removes through drive pressure disk 19, compresses tightly the both sides of beam piece 22, and the clamping mechanism symmetry setting on two splint carries out the drive of the opposite direction of pressure disk 19, carries out the centre gripping of beam piece 22 about the left and right sides.

After the hoist and mount, through vertical, horizontal and longitudinal movement for beam piece 22 moves the position that needs laid, places, and beam piece 22 bottom receives bears, does not receive pressure head 24 to bear, carries out vertical, vertical removal through drive splint 18, can make reinforcing bar spare 2201 break away from logical groove 32 bottom, and pressure head 24 loses the action of gravity, through the elasticity of first spring 30, resets, thereby drive pressure disk 19 stops to compress tightly beam piece 22.

As shown in fig. 6, as a specific scheme, a round cavity 39 is formed in one end of the stud 37, a round seat 41 is connected to the round cavity 39 in a clearance fit manner, a round hole formed in one end of the stud 37 is penetrated through one end of the round seat 41, the round seat 41 is fixedly connected with the middle of the round seat 41, a second spring 40 is arranged in the round cavity 39, and through the round design of the round seat 41, when the stud 37 rotates, the round seat 41 can rotate relative to the stud 37 and cannot rotate together with the stud 37, and when the pressing plate 19 clamps the beam 22, the second spring 40 can be compressed to provide clamping force.

The front fixed mounting of roof beam body 2 has mount 20, mount 20 fixed mounting has switch board 21, switch board 21 and driving motor 4, play to rise hydro-cylinder 6 and transverse motor 15 electric connection carry out the control of whole portal frame through switch board 21, have the controller in the switch board 21, can adopt single chip microcomputer controller or PLC controller, and the switch board 21 outside has control button, carries out the manual control.

The whole gantry is improved on the existing DM80 inverted gantry.

The foregoing description is given for the purpose of illustrating particular embodiments of the present application and is not in any way intended to limit the invention, as numerous modifications and variations will be apparent to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

The technical method of the rail beam frame construction in the DM80 inverted portal library is characterized by comprising the following steps: the method for installing the track beam frame in the DM80 inverted portal library comprises the following steps:

(1) rail laying

Laying steel rails below a gantry crane of the temporary beam erecting base, paving a stone ballast cushion layer with 50cm wide of a track-out sleeper below the steel rail sleeper in order to ensure that the steel rail sleeper and the beam erecting base are tightly attached and uniformly stressed, wherein the stone ballast strength can be used after being tested to be qualified, the thickness of the stone ballast cushion layer is 40cm, and manually leveling is carried out after the stone ballast is laid to ensure that the stone ballast is tightly compacted;

a lower-passing pedestrian passageway is arranged in front of the parking train inspection shed and the combined inspection warehouse, a beam needs to pass through the lower-passing pedestrian passageway when being erected, the lower-passing pedestrian passageway needs to be treated in order to ensure that the structure of the lower-passing pedestrian passageway is not damaged, graded broken stones are backfilled and tamped, and a steel plate with the thickness of 20mm is laid;

In-warehouse DM80 inverted portal rails are laid along the center line of the track beam at a track beam line interval of 3.65m, sleepers are arranged at a 60cm interval, and the length of each laid rail meets the requirement of recycling one frame beam; according to the field situation, the length of steel rails to be laid on all lines in the warehouse is 8.6kM, so that the gantry crane can directly transport Liang Di to the position of the beam track to be erected from the position outside the erected beam track warehouse for erection;

(2) assembling and debugging portal frame

Assembling a portal frame on a temporary beam erection base, assembling by matching a truck crane, assembling in sequence, erecting the portal frame by using the portal crane after assembling, installing a lifting mechanism on the main beam, then installing electric and hydraulic components, finally carrying out no-load debugging, no-load detection and heavy load detection on the whole machine, and issuing a detection report and factory pass certificates and a detection report of the portal frame;

(3) portal frame takes one's place

After the portal frame is qualified through inspection, longitudinally moving the portal frame to a beam piece to be erected by using a longitudinal moving winch;

(4) transport beam

The beam piece is conveyed to the lower part of the portal frame from the beam manufacturing base through the beam conveying vehicle; after the rail beam is qualified, liang Changna is hoisted to finish rail beam loading, and the surface of the beam body is protected to prevent the appearance quality from being damaged by collision in the loading process;

1. Due to the rails Liang Jiaochang, buffers must be placed at the designed positions of the rail beams at the trailer padding points, so that vibration and collision damage in the transportation process are prevented;

2. loading, wherein each door type hanging bracket is fixed by 2 adjustable inclined struts; the hoisting rod piece strictly complies with hoisting rules so as to prevent vibration, impact, deformation, falling or other damages in the hoisting process;

3. the special beam transporting vehicle is used for transporting the beam body and the temporary support to a construction site together, and in the transporting process, necessary connecting and fixing measures are taken for the beam body and the vehicle;

(5) unload roof beam

When the beam piece is transported to the lower part of the portal frame, the stop wheel wedges are used for bidirectionally wedging the traveling wheels of the beam transporting vehicle, the position of a lifting point of the portal frame is adjusted, a special lifting appliance for the portal frame is used for binding the beam piece, a fixing and binding mechanism on the beam transporting vehicle is released, and the beam piece is lifted;

(6) return of girder transporting vehicle

When the clearance between the beam piece and the beam transporting vehicle is larger than 20cm, stopping lifting, removing the wheel stopping wedge, adjusting the vehicle body of the beam transporting vehicle to a running state, returning the beam transporting vehicle, and adjusting the speed to 4-7km/h when returning;

(7) longitudinally moving beam piece

Adjusting the height of the beam piece to ensure that the distance between the lower surface of the beam piece support and the running surface of the lower track beam is more than 10cm, so as to ensure that no interference occurs during longitudinal movement; dragging the portal frame by using a winch to longitudinally move, locking a braking device on the winch after longitudinally moving to the right position, and simultaneously stopping a cart travelling wheel of the portal frame in a two-way manner by using a rail clamping device to prevent the portal frame from sliding when falling off a beam;

(8) Fine adjustment and beam falling

Adjusting the transverse position of the beam piece, and dropping the beam piece to the mounting position and fastening; in order to ensure that the later linear adjustment can prevent the track beam from overturning, the same access section is temporarily and fixedly supported;

(9) mounting finger plate

Carrying out finger plate installation in pairs; when the two finger-shaped plates are engaged, the bolt is fastened; when the beam piece erection is completed, the erection of the next beam piece can be carried out.
2. The DM80 in-magazine rail beam mount facility engineering method of inverted portal frames according to claim 1 resulting in a portal frame that facilitates clamping of a beam slab, characterized by: the method comprises the following steps: the lifting device comprises a top frame (5), a beam body (2), a walking mechanism, a lifting oil cylinder (6), a lifting beam (7), an end seat (8), a guide sleeve (10), a guide post (9), a transverse driving component, a carrying pole assembly (17) and a clamping mechanism;

the lifting device comprises a top frame (5), a beam body (2) is fixedly connected to the bottoms of two sides of the top frame (5), a walking mechanism is connected to the bottom of the beam body (2), a vertically arranged lifting oil cylinder (6) is fixedly mounted at the top of the walking mechanism, end seats (8) are fixedly mounted at two ends of a lifting beam (7), the bottom of each end seat (8) is fixedly connected with the top end of an output shaft of the lifting oil cylinder (6), and the lifting beam (7) is located at the bottom of the top frame (5);

A guide sleeve (10) is fixedly embedded on the end seat (8), the guide sleeve (10) is in clearance fit connection with a guide pillar (9), one end of the guide pillar (9) is connected with the top of the walking mechanism, and the other end of the guide pillar (9) is fixedly connected with the inner wall of the top of the beam body (2);

a transverse driving component is fixedly arranged on the lifting beam (7) along the transverse direction, and the output end of the transverse driving component is fixedly connected with the center of the top of the carrying pole assembly (17);

the bottom of the shoulder pole assembly (17) is fixedly provided with two clamping plates (18), the bottoms of the two clamping plates (18) are respectively provided with two groove bodies (23), and the groove bodies (23) are of U-shaped structures;

clamping mechanisms are arranged on the periphery of the clamping plate (18);

a beam piece (22) is clamped between the two clamping plates (18), a steel bar body (2201) serving as a framework is installed in the beam piece (22), and the steel bar body (2201) penetrates through the groove body (23).
3. The portal frame of claim 2, wherein: the running mechanism comprises: base (1), wheel body (3) and driving motor (4), the front end bottom of base (1) and the rear end bottom of base (1) all rotates and installs wheel body (3), fixed mounting has driving motor (4) on the lateral wall of base (1), the output axle head of driving motor (4) and the one end fixed connection of wheel body (3), the top of base (1) and the bottom of roof beam body (2) and the bottom fixed connection of guide pillar (9).
4. The portal frame of claim 2, wherein: the lateral drive assembly includes: the lifting device comprises end plates (12), screws (13), lifting seats (16), nuts (14) and a transverse motor (15), wherein the number of the end plates (12) is two, the two end plates (12) are fixedly mounted on a lifting beam (7), the screws (13) are rotatably mounted between the two end plates (12), the screws (13) are in threaded connection with the nuts (14), the bottoms of the nuts (14) are fixedly connected with the lifting seats (16), the lifting seats (16) are in sliding connection with guide grooves (11) formed in the lifting beam (7), the guide grooves (11) are transversely arranged, and the bottoms of the lifting seats (16) are fixedly connected with the center of the top of a carrying pole assembly (17); one side of one of the end plates (12) is provided with a transverse motor (15), the output shaft end of the transverse motor (15) is fixedly connected with one end of the screw rod (13), and the transverse motor (15) is fixedly arranged on the hoisting beam (7).
5. The portal frame of claim 2, wherein: the bottom of splint (18) is run through to the one end of cell body (23), the other end of cell body (23) and intercommunication (29) of seting up in splint (18) bottom, a tip department of cell body (23) is provided with first spring (30), and first spring (30) are located the top of intercommunicating pore (29), the top fixedly connected with pressure head (24) of first spring (30), a tip cell wall fixed connection of the bottom of first spring (30) and cell body (23).
6. The portal frame of claim 2, wherein: the clamp plate (18) is provided with a sliding groove (31) along the vertical direction, the sliding groove (31) is connected with a U-shaped frame (25) in a clearance fit mode, the two ends of the U-shaped frame (25) are of J-shaped structures, the end portion of the U-shaped frame (25) is connected with a communication hole (29) in a clearance fit mode, and the end portion of the U-shaped frame (25) is fixedly connected with the bottom edge of the pressure head (24).
7. The portal frame of claim 6, wherein: the utility model discloses a clamp plate, including splint (18), the top of U type frame (25) the place ahead and the equal fixed mounting in top rear of U type frame (25) has dead lever (26), rack (27) of the vertical setting of base fixedly connected with of dead lever (26), during rack (27) are embedded into logical groove (32) of seting up on splint (18), inner chamber (33) have been seted up to the inside of splint (18), inner chamber (33) inside is provided with gear (34), gear (34) are connected with rack (27) meshing.
8. The portal frame of claim 2, wherein: the fixture includes: screwed pipe (35), double-screw bolt (37), square bar (36), circle cover (28) and pressure disk (19), screwed pipe (35) runs through inner chamber (33), screwed pipe (35) and splint (18) fixed connection, screwed pipe (35) threaded connection has double-screw bolt (37), the one end of double-screw bolt (37) is connected with pressure disk (19), circle cover (28) is connected with the one end clearance fit of screwed pipe (35), the one end and gear (34) fixed connection of circle cover (28), the inner circle of gear (34) and ring channel (38) clearance fit of seting up on screwed pipe (35) are connected, a plurality of shrinkage pools have evenly been seted up to the inner circle of gear (34), clearance fit is connected with ball (42) in the shrinkage pool, the cell wall contact of ball (42) and ring channel (38), the one end inner wall middle part fixedly connected with square bar (36) of circle cover (28), square bar (36) and the square hole clearance fit connection of seting up at double-screw bolt (37) one end middle part are connected.
9. The portal frame of claim 8, wherein: round cavity (39) have been seted up to the one end inside of double-screw bolt (37), clearance fit is connected with circle seat (41) in round cavity (39), the round hole of seting up in double-screw bolt (37) one end is run through to the one end of circle seat (41), the middle part fixed connection of circle seat (41) and pressure disk (19), be provided with second spring (40) in round cavity (39).
10. The portal frame of claim 2, wherein: the front fixed mounting of roof beam body (2) has mount (20), mount (20) fixed mounting has switch board (21), switch board (21) and driving motor (4), play to rise hydro-cylinder (6) and transverse motor (15) electric connection.