CN111992961A

CN111992961A - Girder profiling assembling tool and girder profiling assembling method

Info

Publication number: CN111992961A
Application number: CN202010931118.1A
Authority: CN
Inventors: 张云巍; 高承文; 李康民; 许俊; 王亮; 刘鸿飞
Original assignee: Dongguan Cimc Special Vehicle Co ltd; China International Marine Containers Group Co Ltd; CIMC Vehicles Group Co Ltd
Current assignee: DONGGUAN CIMC SPECIAL VEHICLE Co.,Ltd.; CIMC Vehicles Group Co Ltd
Priority date: 2020-09-07
Filing date: 2020-09-07
Publication date: 2020-11-27

Abstract

The invention provides a girder profiling assembling tool and a girder profiling assembling method. The girder profiling assembling tool comprises an underframe, a plurality of pressing assemblies, an inner die, two spinning assemblies, a plurality of supporting assemblies and a plurality of profiling assemblies. The pressing assemblies are arranged at intervals along the length direction of the underframe and are used for pressing the girder on the underframe; the inner die is positioned at the front end of the length direction of the underframe; the two spinning assemblies are respectively arranged at two sides of the inner die and are used for spinning the upper wing plate and the lower wing plate of the girder to the inner die to form a neck connecting section; the plurality of supporting assemblies are arranged on one side of the bottom frame at intervals along the length direction of the bottom frame and are positioned behind the spinning assemblies; the profiling components are arranged along the length direction of the bottom frame at intervals, the profiling components are arranged on the two sides of the bottom frame and in the front of the spinning components and used for forming the head extending section, the profiling component is arranged on the other side, opposite to the supporting component, of the rear of the spinning component and matched with the supporting component to form the tail extending section.

Description

Girder profiling assembling tool and girder profiling assembling method

Technical Field

The invention relates to the field of semi-trailer manufacturing, in particular to a girder profiling assembling tool and a girder profiling assembling method.

Background

The crossbeam is the most important stressed member of the vehicle frame and generally comprises an upper wing plate, a web plate and a lower wing plate, wherein the web plate is perpendicular to the upper wing plate and the lower wing plate. The gravity center of the girder with the gooseneck is lower, the gravity center can be reduced, the adaptability is strong, the safety is high, and therefore the application range is wide.

At present, the girder is generally assembled by an operator by sequentially pushing the upper wing plate or the lower wing plate on one side by using an oil cylinder to assemble and spot-weld, and the assembling efficiency of the assembling method is low.

Disclosure of Invention

The invention aims to provide a girder profiling assembling tool and a girder profiling assembling method with high assembling efficiency, and aims to solve the problem of low assembling efficiency of a girder in the prior art.

In order to solve the technical problem, the invention provides a girder profiling assembling tool, wherein a girder is in a gooseneck shape and comprises a head extension section, a neck connection section and a tail extension section along the length direction of the girder, and the girder profiling assembling tool comprises: a chassis; the pressing assemblies are arranged at intervals along the length direction of the underframe, and are arranged on two sides of the width direction of the underframe and used for pressing the web plate of the girder downwards to press the girder on the underframe; the inner die is arranged in the middle of the underframe in the width direction and extends along the length direction of the underframe; the inner die is positioned at the front end of the underframe in the length direction; the two spinning assemblies are respectively arranged on two sides of the inner die and are used for spinning an upper wing plate and a lower wing plate of the girder to the inner die to form the neck connecting section; the plurality of supporting assemblies are arranged on one side of the bottom frame at intervals along the length direction of the bottom frame and are positioned behind the spinning assemblies; the pressing assemblies are arranged at intervals along the length direction of the bottom frame, the pressing assemblies are arranged on the two sides of the bottom frame and located in front of the spinning assemblies and used for pressing the upper wing plate and the lower wing plate to the inner die to form the head extending section, and the pressing assemblies are arranged on the other sides, opposite to the supporting assemblies, of the rear of the spinning assemblies and matched with the supporting assemblies to form the tail extending section.

In one embodiment, the inner mold comprises the head mold and a neck mold disposed behind the head mold; the width of the head mould is gradually increased from front to back along the length direction of the head mould, the two sides of the neck mould are both wavy, and the height of the front end of the neck mould is higher than that of the back end of the neck mould.

In one embodiment, the inner mold is removably attached to the base frame.

In one embodiment, each of the spinning assemblies includes: the two mounting frames are erected on the side edges of the underframe at intervals along the length direction of the underframe; the rotating arm is wave-shaped and is arranged on the side edge of the inner die; the first end of the rotating arm is hinged with the top of one mounting rack; and the hydraulic oil cylinder is arranged at the top of one mounting frame and is connected with the outer side of the second end of the rotating arm, so that the rotating arm is driven to rotate to form the neck connecting section.

In one embodiment, the shape of the inner side of the rotating arm of one of the two spinning assemblies is consistent with the shape of the top of the neck connecting section of the girder, and the arc shape of the inner side of the rotating arm of the other spinning assembly is consistent with the shape of the bottom of the neck connecting section of the girder.

In one embodiment, a first rotating shaft extending vertically is arranged on the outer side of the second end of the rotating arm, the hydraulic oil cylinder is connected with the mounting frame through a second rotating shaft extending vertically, and an expansion rod of the hydraulic oil cylinder is connected with the first rotating shaft through a third rotating shaft extending horizontally.

In one embodiment, the hydraulic oil cylinder is connected with a concave part of the rotating arm from the outside to the inside.

In one embodiment, each of the profiling assemblies comprises: the fixing plate is fixed on the underframe; the pressing block is arranged on the fixing plate and can move along the width direction of the underframe to press or loosen an upper wing plate or a lower wing plate of a girder on the girder profiling assembling tool; and the driving piece is connected with the pressing block and drives the pressing block to move along the width direction of the bottom frame.

In one embodiment, the compression assembly comprises: the driving piece is provided with a fixed end and a free end which is lifted relative to the fixed end, and the fixed end is fixed on the underframe; and the pressing arm is connected with the free end and can lift along with the free end.

In one embodiment, the support assembly comprises: the connecting plate is arranged on the side edge of the underframe; and the supporting plate is erected on the connecting plate and is used for being abutted against the large upper wing plate or the large lower wing plate of the crossbeam.

In one embodiment, the connecting plate is provided with an adjusting hole extending along the width direction of the underframe, and the supporting plate is in sliding fit with the adjusting hole; the support assembly further comprises: and the driving piece comprises a screw rod connected with the supporting plate so as to drive the supporting plate to move in the adjusting hole.

In one embodiment, the girder profiling and assembling tool further comprises a plurality of jacking assemblies arranged at intervals along the length direction of the underframe; each jacking subassembly includes: the jacking plate is horizontally arranged; the driving piece is provided with a fixed end and a free end relative to the fixed end, the fixed end is fixed on the underframe, and the free end is fixedly connected with the bottom of the jacking plate and drives the jacking plate to lift.

In one embodiment, the base frame comprises a front base frame and a rear base frame which are arranged along the length direction, and the front base frame is connected with the rear base frame through a flange.

The invention also provides a girder profiling assembling method, which adopts the girder profiling assembling tool;

feeding an upper wing plate, a web plate and a lower wing plate of a girder onto the underframe, wherein the web plate is horizontally arranged, the upper wing plate and the lower wing plate are vertically arranged, the web plate positioned at the front end of the underframe is placed on the inner die, and the upper wing plate and the lower wing plate are respectively placed on two sides of the inner die;

starting the spinning assembly to form a neck connecting section of the girder;

starting the profiling assembly to form a head extension section and a tail extension section of the girder;

starting the compression assembly to compress the web plate of the girder on the underframe;

and welding the upper wing plate, the lower wing plate and the web plate of the girder to finish assembly.

According to the technical scheme, the invention has the advantages and positive effects that:

according to the girder profiling assembling tool, the head extension section and the neck connecting section of the girder are formed by matching the spinning assembly and the inner die, the inner die provides the shape for forming the neck connecting section, the spinning assembly is used for spinning forming, and the profiling assembly is used for pressing forming, so that the forming efficiency is high, the forming precision is high, and the forming quality is good. And through the cooperation of shaping subassembly and supporting component, the afterbody extension section of shaping girder compresses tightly the web of girder on the chassis through compressing tightly the subassembly at last, welds the assembly of accomplishing the girder. Therefore, the girder profiling assembling tool is high in assembling efficiency, assembling precision and assembling quality.

Drawings

FIG. 1 is a schematic structural view of a girder according to the present invention;

FIG. 2 is a schematic view of a girder in a state where the girder is placed on the girder profiling assembling tool according to the present invention;

FIG. 3 is a schematic structural diagram of one embodiment of a girder profiling assembling tool of the present invention;

FIG. 4 is a schematic structural diagram of a front section of the girder profiling assembling tool in FIG. 3 according to the present invention;

FIG. 5 is a schematic structural diagram of a rear section of the girder profiling assembling tool in FIG. 3 according to the present invention;

FIG. 6 is a schematic view of the construction of a front chassis of the present invention;

FIG. 7 is a schematic view of the construction of the rear chassis of the present invention;

FIG. 8 is a schematic view of the head mold according to an embodiment of the present invention;

FIG. 9 is a schematic view of the structure of one embodiment of the neck mold of the present invention;

FIG. 10 is a schematic structural view of one embodiment of the support assembly of the present invention;

FIG. 11 is a schematic diagram of one embodiment of a hold-down assembly of the present invention;

FIG. 12 is a schematic structural diagram of a jacking assembly according to an embodiment of the present invention.

The reference numerals are explained below:

1. a girder;

11. an upper wing plate; 12. a lower wing plate; 13. a web; 14. a head extension; 15. a neck connecting section; 16. a tail extension section;

3. a girder profiling assembling tool;

311. a front section chassis; 3111. a first flange; 312. a rear section chassis; 3121. a second flange;

321. a head mold; 3211. a boundary beam; 3212. a connecting beam; 3213. a reinforcing beam; 322. a neck mold; 3221. a side plate; 3222. a connecting plate; 3223. reinforcing ribs;

33. a spinning assembly; 331. a rotating arm; 332. a first mounting bracket; 3321. mounting a plate; 3322. an ear plate; 333. a second mounting bracket; 3331. mounting a plate; 3332. a support pillar; 334. a hydraulic cylinder;

34. a profiling assembly; 341. a fixing plate; 342. briquetting; 343. a drive member; 344. a guide bar;

35. a support assembly; 351. a connecting plate; 3511. an adjustment hole; 352. a support plate; 353. a screw rod; 354. rotating the rod; 355. a guide plate; 356. a baffle plate;

36. a compression assembly; 361. a pressing arm; 362. pressing a plate; 363. a drive member;

37. a jacking assembly; 371. a jacking plate; 372. a drive member; 373. a guide post; 374. and a limiting plate.

Detailed Description

Exemplary embodiments that embody features and advantages of the invention are described in detail below in the specification. It is to be understood that the invention is capable of other embodiments and that various changes in form and details may be made therein without departing from the scope of the invention and the description and drawings are to be regarded as illustrative in nature and not as restrictive.

For further explanation of the principles and construction of the present invention, reference will now be made in detail to the preferred embodiments of the present invention, which are illustrated in the accompanying drawings.

The invention provides a girder profiling assembling tool 3 which is used for assembling a girder 1 and has high assembling efficiency and good assembling quality.

The girder profiling assembling tool 3 is suitable for assembling a girder 1 with goosenecks, and referring to fig. 1, the girder 1 comprises an upper wing plate 11, a lower wing plate 12 and a web plate 13 connecting the upper wing plate 11 and the lower wing plate 12. The girder 1 assembled by the girder profiling assembling tool 3 is of an integral structure, and is divided into a head extension section 14, a neck connection section 15 and a tail extension section 16 which are connected in front and back along the length direction of the girder 1 for facilitating understanding according to the structure of the girder 1,

wherein the height of the head extension 14 gradually increases in the front-to-rear direction, i.e. the height difference between the upper wing plate 11 and the lower wing plate 12 gradually increases. The neck connecting section 15 is in the shape of a gooseneck having a convex portion and a concave portion. The upper and

lower panels

11, 12 of the aft extension 16 extend in an approximately linear manner, and the length of the aft extension 16 is greater than the length of the head extension 14, and the height of the aft extension 16 is lower than the head extension 14.

When the girder profiling assembling tool 3 is used for assembling, the length direction of a girder 1 is consistent with that of the girder profiling assembling tool 3, an upper wing plate 11 and a lower wing plate 12 which form the girder 1 are vertically arranged, and a web plate 13 is horizontally arranged, as shown in fig. 2.

Referring to fig. 3, 4 and 5, the girder profiling assembling tool 3 of the present invention includes an underframe, an inner mold disposed on the underframe, two spinning assemblies 33, a plurality of supporting assemblies 35, a plurality of profiling assemblies 34 and a plurality of pressing assemblies 36, and the assembling of the girder 1 is achieved by mutual cooperation.

The chassis includes a front chassis 311 and a rear chassis 312 connected along their length. For convenience of description, the length direction of the chassis is defined as the longitudinal direction, and the width direction of the chassis is defined as the transverse direction. One end of the head extension section 14 of the formed girder 1 is front, and the other end is rear.

Referring to fig. 6, the front chassis 311 includes two front longitudinal beams disposed in parallel at an interval, a plurality of front cross beams disposed between the two front longitudinal beams, and a first flange 3111 connected to the rear end portions of the two front longitudinal beams, wherein the front longitudinal beams extend along the longitudinal direction, the front cross beams and the first flange 3111 extend along the transverse direction, and the first flange 3111 is disposed vertically.

Referring to fig. 7, the rear underframe 312 includes two rear longitudinal beams disposed in parallel at intervals, a plurality of rear cross beams disposed between the two rear longitudinal beams, and a second flange 3121 connected to front ends of the two rear longitudinal beams, wherein the rear longitudinal beams extend in a longitudinal direction, the rear cross beams and the second flange 3121 extend in a transverse direction, and the second flange 3121 is disposed vertically.

The connection between the rear frame and the front frame is achieved through the connection between the first flange 3111 and the second flange 3121. Specifically, the first flange 3111 is detachably connected to the second flange 3121.

In this embodiment, the length of the rear frame is greater than the length of the front frame. And further, the front section frame in this embodiment is used to form the head extension 14 and the neck connecting section 15 of the girder 1, and the rear section frame is used to form the tail extension 16 of the girder 1.

Continuing to refer to fig. 4, the inner mold is disposed at the front end of the frame, specifically, on the front-section frame, and is located at the middle of the front-section frame in the transverse direction. The upper surface of the inner mould is used for supporting the web 13, and the two sides of the inner mould are mainly used for supporting between the upper wing plate 11 and the lower wing plate 12 and providing the formed shape.

The inner mold includes a head mold 321 and a neck mold 322. Referring to fig. 8, the width of the head mold 321 is gradually increased from front to back and matches with the head extension 14 of the girder 1. The width of the head die 321 matches the size of the web 13, i.e. the distance between the inside of the upper panel 11 and the inside of the lower panel 12. In this embodiment, the head mold 321 has an equilateral trapezoid structure. Specifically, the head mold 321 includes two side beams 3211 arranged at intervals in the transverse direction and a connection beam 3212 connecting the two side beams 3211. The side members 3211 are arranged vertically and extend in the longitudinal direction. The connecting beam 3212 is horizontally disposed, connects the bottom ends of the two connecting beams, and extends in the longitudinal direction.

Further, the head mold 321 further includes a plurality of reinforcing beams 3213 disposed at intervals in the longitudinal direction, and each reinforcing beam 3213 extends in the transverse direction and connects the two side beams 3211.

The head mold 321 is detachably connected with the underframe, and the head mold 321 is convenient to replace, so that the girder profiling assembling tool 3 can be compatible with girders 1 of different specifications. Specifically, the connection beam 3212 is provided with a plurality of connection holes, each of which has an axis extending vertically to be detachably connected to the base frame by a fastener, thereby mounting the head mold 321 on the base frame.

The neck mold 322 is disposed on the front frame and behind the inner mold. Referring to fig. 9, both sides of the neck mold 322 in the transverse direction are wavy and are adapted to the neck connecting section 15 of the girder 1 for forming the neck connecting section 15 of the girder 1. Specifically, the neck mold 322 includes two side plates 3221 arranged at intervals in the transverse direction and a connecting plate 3222 connecting the two side plates 3221. Both side plates 3221 are wave-shaped and each have a convex portion and a concave portion. In this embodiment, two ends of the side plate 3221 have straight line segments, that is, the side plate 3221 is formed by connecting a convex portion with the straight line segment, then connecting a concave portion with the convex portion, and finally connecting a straight line portion with the concave portion, thereby forming a wavy side plate 3221.

The height of the front end of the side plate 3221 is higher than the height of the rear end of the side plate 3221, and the height of the side plate 3221 gradually decreases along the length direction. That is, the side panel 3221 gradually decreases in height from front to back.

With reference to the view direction of fig. 2, the side plate 3221 located at the upper portion matches the shape of the upper panel 11 of the neck connecting section 15 of the girder 1, and the side plate 3221 located at the lower portion matches the shape of the lower panel 12 of the neck connecting section 15 of the girder 1.

The connecting plate 3222 connects the bottom ends of the two side plates 3221, extends in the longitudinal direction, and matches the shape of the two side plates 3221.

Further, the neck mold 322 further includes a plurality of beads 3223 arranged at intervals in the longitudinal direction to enhance the strength of the neck mold 322. In this embodiment, the two ends of the reinforced rib 3223 at the end of the side plate 3221 are perpendicular to the two side plates 3221, respectively. The reinforcing ribs 3223 located at the central region of the side panels 3221 are obliquely arranged to fully consider the convex and concave portions of the side panels 3221 and increase the connecting strength between the two side panels 3221. For example, the two ends of the rib 3223 are connected to the highest points of the protrusions of the two side plates 3221, respectively, and the two ends of the rib 3223 are connected to the lowest points of the recesses of the two side plates 3221, respectively.

Neck mould 322 can be dismantled with the chassis and be connected, conveniently changes neck mould 322 to make the girder die mould assemble frock 3 can be compatible with the girder 1 of different specifications. Specifically, the connecting plate 3222 is provided with a plurality of mounting holes at intervals along the longitudinal direction, and the axes of the mounting holes extend vertically to be detachably connected with the bottom frame through fasteners, so that the neck mold 322 is mounted on the bottom frame.

And a space is provided between the front end of the neck mold 322 and the rear end of the head mold 321 in the longitudinal direction.

This frock 3 is assembled to girder die mould is owing to used the inner mould for in the forming process, head mould 321 and neck mould 322 not only provide the required shape of the shaping of head extension 14 and neck linkage 15 of girder 1, consequently time, make this frock 3 is assembled to girder die mould shaping efficiency higher, and shaping quality is better. And the inner die also provides support for the girder 1 in the forming process, so that deformation can be prevented.

Two spinning assemblies 33 are disposed on the bottom frame and are arranged on two sides of the inner mold for spinning the upper wing plate 11 and the lower wing plate 12 into the inner mold to form the neck connecting section 15. Specifically, two spinning assemblies 33 are disposed on the front section chassis 311 and are arranged on two sides of the neck mold 322.

Each spinning assembly 33 includes two mounting brackets, a rotating arm 331 and a hydraulic cylinder 334. The two mounting brackets are spaced apart from the side of the bottom frame in the longitudinal direction, and the two mounting brackets are connected to the two ends of the rotating arm 331, respectively.

Specifically, the two mounts are the first mount 332 and the second mount 333, respectively. The first mounting bracket 332 includes a mounting plate 3321 and an ear plate 3322 disposed above the mounting plate 3321, wherein the ear plate 3322 is disposed at an end of the mounting plate 3321 away from the second mounting bracket 333, and is supported by a transition plate erected on the mounting plate 3321. The mounting panel 3321 is installed in the tip of the crossbeam of chassis, and sets up the first commentaries on classics hole that link up from top to bottom on the mounting panel 3321, and the axis in this first commentaries on classics hole is vertical to be extended. The ear plate 3322 is provided with a second rotary hole corresponding to the first rotary hole for inserting the rotary shaft.

The second mounting bracket 333 includes a mounting plate 3331 and two support rods 3332 positioned on the mounting plate 3331. The mounting plate 3331 is mounted at the end of the cross beam of the underframe, a third rotary hole which is through up and down is formed in the middle area of the mounting plate 3331, and the axis of the third rotary hole extends vertically. The two supporting rods 3332 are symmetrically arranged at two sides of the third rotating hole.

The rotating arm 331 is disposed at a side of the neck mold 322, and the rotating arm 331 is in a wave shape. Specifically, the rotating arm 331 has a concave portion and a convex portion.

A first end of the rotating arm 331 is hinged to the first mounting frame 332 through a vertically extending rotating shaft, so that the rotating arm 331 can rotate relative to the first mounting frame 332. Particularly by inserting the shaft into the first rotation hole and the second drilling hole of the first mounting bracket 332.

Two lugs are arranged outside the second end of the rotating arm 331. The inside and outside are the using states of the girder profiling assembling tool 3 as reference, and the direction of the area limited by the two rotating arms 331 is the inside, otherwise, the direction is the outside. The two support lugs are horizontally arranged and are arranged in parallel at intervals along the vertical direction. A first rotating shaft which extends vertically is connected between the two support lugs.

Specifically, in the present embodiment, one end of the concave portion of each rotating arm 331 from the outside to the inside is a second end, and the other end is a first end. The hydraulic cylinder 334 is mounted on the top of the second mounting bracket 333 and is connected to a recess of the rotating arm 331 from the outside to the inside. Specifically, hydraulic cylinder 334 is connected to a first pivot shaft located outside of rotating arm 331, thereby driving rotating arm 331 to rotate and form neck connecting section 15. Specifically, hydraulic cylinder 334 includes a cylinder mount, a cylinder, and a telescoping rod. The oil cylinder mounting seat is connected with the second mounting frame 333 through a second vertically extending rotating shaft, the second rotating shaft penetrates through rotating holes in the oil cylinder mounting seat and the second mounting frame 333, and two ends of the oil cylinder mounting seat are connected with the tops of the two supporting columns 3332 respectively.

The telescoping rod of hydraulic cylinder 334 is disposed at an angle, i.e., it is angled with respect to the length of the undercarriage. The telescopic rod is connected with the first rotating shaft on the rotating arm 331 through a horizontally extending third rotating shaft. That is, the telescopic rod of the hydraulic cylinder 334 drives the rotating arm 331 to rotate when extending or retracting.

Specifically, in the present embodiment, the inner side of the rotating arm 331 of one of the two spinning assemblies 33 has a shape corresponding to the top of the neck connecting section 15 of the girder 1, and the inner side of the rotating arm 331 of the other spinning assembly 33 has an arc shape corresponding to the bottom of the neck connecting section 15 of the girder 1. Referring to the direction of the view of fig. 2, the rotating arm 331 of the spinning assembly 33 located at the upper side in the view is fitted to the upper wing plate 11 of the neck connecting section 15, and the rotating arm 331 of the spinning assembly 33 located at the lower side in the view is fitted to the lower wing plate 12 of the neck connecting section 15.

The hydraulic cylinder 334 of the spinning assembly 33 located above the view direction is connected to the rear end of the rotating arm 331, and the hydraulic cylinder 334 of the spinning assembly 33 located below the view direction is connected to the front end of the rotating arm 331, that is, the area to which the force is applied by the hydraulic cylinder 334 is the concave portion of the rotating arm 331. Therefore, the first mounting bracket 332 located upward in the view direction is located at the front end, the second mounting bracket 333 is located rearward, the first mounting bracket 332 located downward in the view direction is located at the rear end, and the second mounting bracket 333 is located forward.

Through the cooperation of two spinning subassemblies 33 and neck mould 322, can one shot forming girder 1's neck linkage segment 15 for this girder die mould assembles frock 3's the efficiency of assembling is higher.

The profiling assemblies 34 are arranged at intervals along the length direction of the chassis, the profiling assemblies 34 are arranged on two sides of the chassis and in front of the spinning assembly 33 and used for pressing the head extension section 14 towards the inner die to form the head extension section 14, and the profiling assembly 34 is arranged on the other side, opposite to the supporting assembly 35, behind the spinning assembly 33 and used for matching with the supporting assembly 35 to form the tail extension section 16.

Specifically, in the present embodiment, a profiling assembly 34 is disposed behind the spinning assembly 33, above the direction of the drawing in fig. 2, and a supporting assembly 35 is disposed below the spinning assembly. In other embodiments, the support assembly 35 may be disposed above and the profiling assembly 34 may be disposed below. I.e. behind the spinning assembly 33, the profiling assembly 34 and the support assembly 35 are located on either side in the transverse direction, abutting against the upper and

lower panels

11, 12 of the girder 1, respectively, so that they cooperate with each other to complete the forming of the tail extension 16.

Specifically, each profiling assembly 34 includes a fixed plate 341, a press block 342, and a driving member 343. The fixing plate 341 is fixed to the base frame. In this embodiment, the fixing plate 341 is fixed to the front cross member of the front underframe 311 or the rear cross member of the rear underframe 312. Specifically, the fixing plate 341 is connected to an end of each beam, which is located above the view direction of fig. 2. The profiling assemblies 34 located at the lower side in the view direction of fig. 2 are two in number and located in front of the spinning assembly 33. The fixed plate 341 of the two-die assembly 34 is mounted to the middle region of the cross member of the front-stage chassis 311.

The pressing block 342 is disposed on the fixing plate 341 and can move in the width direction of the underframe to press or release the upper wing plate 11 or the lower wing plate 12 of the girder 1 on the girder profiling assembling tool 3.

The driving member 343 is connected to the pressing piece 342 to drive the pressing piece 342 to move in the width direction of the chassis, i.e., the lateral direction. Specifically, the driving member 343 includes a cylinder base, a cylinder, and a telescopic rod. The oil cylinder base is fixed on the fixing plate 341, the oil cylinder is fixedly connected with the oil cylinder base, the telescopic rod extends transversely and is provided with a fixed end and a telescopic end, the fixed end is positioned on the outer side of the telescopic end, and the telescopic end is connected with the pressing block 342 so as to drive the pressing block 342 to move.

Further, profiling assembly 34 also includes guide bar 344. The guide rod 344 extends in a transverse direction, and has an inner end connected to the top of the press piece 342 and an outer end extending outwardly through an opening in the top of the cylinder block. The telescopic rod is kept moving in the lateral direction by the guiding action of the guide rod 344.

Profiling assemblies 34 located on both sides of the head mold 321 are used to compress the upper wing plate 11 and the lower wing plate 12, respectively. A profiling assembly 34 located behind the spinning assembly 33 is used to press the upper wing plate 11 and a support assembly 35 located behind the spinning assembly 33 is used to support the lower wing plate 12 to profile the tail extension 16 in cooperation with each other.

The length of the pressing piece 342 of the profiling assembly 34 in the longitudinal direction can be adjusted as desired, for example, in this embodiment, two profiling assemblies 34 near the rear end of the rear section chassis 312. When the length of the pressing piece 342 is long, the number of the guide rods 344 may be two, and the two guide rods are arranged on both sides of the longitudinal direction of the telescopic rod.

The head mold 321 and the profiling assemblies 34 positioned on two sides of the head mold 321 are matched with each other to form the head extension section 14 of the girder 1 at one time, so that the girder profiling assembling tool 3 is high in assembling efficiency.

The plurality of supporting assemblies 35 are arranged on one side of the base frame at intervals along the length direction of the base frame and are positioned behind the spinning assembly 33. Specifically, in this example, with reference to the view direction of fig. 2, the supporting component 35 is located below in the view, that is, the supporting component 35 is used for supporting the lower wing plate 12 of the girder 1 when the girder 1 is assembled, so as to avoid displacement of the girder 1 due to a large pressure provided by the profiling component 34 when the profiling work is performed, thereby ensuring the position of the girder 1 and improving the forming accuracy and quality.

In this embodiment, a part of the plurality of support assemblies 35 is located on the front-stage chassis 311, and another part is located on the rear-stage chassis 312. Specifically, a support assembly 35 is provided on the front chassis 311.

Referring to fig. 10, each support assembly 35 includes a connecting plate 351 and a support plate 352. The connecting plate 351 is fixed to the base frame. The support plate 352 is vertically provided on the connection plate 351, extends in the longitudinal direction, and can abut against the lower wing plate 12 of the girder 1 to support the lower wing plate 12, and further can support the web 13 and the upper wing plate 11.

Furthermore, two adjusting holes 3511 are formed in the connecting plate 351, the two adjusting holes 3511 are longitudinally arranged in parallel at intervals, and each adjusting hole 3511 extends in the transverse direction. The bottom end of the support plate 352 has sliders that correspond one-to-one to the adjustment holes 3511, and the sliders can slide in the adjustment holes 3511. Through the adjusting function between the supporting plate 352 and the connecting plate 351, the position of the supporting plate 352 relative to the underframe is changed, so that the girder profiling assembling tool 3 can be matched with girders 1 with different specifications.

The supporting assembly 35 drives the supporting plate 352 to slide along the adjusting hole 3511 by the driving member and provides a supporting force for the supporting plate 352 to prevent the supporting plate 352 from being displaced after the supporting plate 352 reaches a predetermined position.

Specifically, the driver includes a lead screw 353, a rotating rod 354, and a nut. The nut is sleeved on the screw rod 353 and fixedly connected with the supporting plate 352. The lead screw 353 extends in the lateral direction. The rotating rod 354 is fixedly connected with the end of the screw rod 353 opposite to the other end of the supporting plate 352, and the screw rod 353 is driven to rotate by rotating the rotating rod 354, so that the supporting plate 352 slides along the adjusting hole 3511.

The support assembly 35 further includes two guide plates 355 and a stop plate 356. The two guide plates 355 are longitudinally arranged in parallel at intervals, each guide plate 355 extends transversely, and the guide plates 355 are arranged outside the support plate 352 and fixedly connected with the support plate 352. The blocking plates 356 are parallel to the support plate 352 and are located at opposite ends of the guide plate 355 from the support plate 352. The lead screw 353 passes through the stopper 356 and is located between the guide plates 355. The rotating rod 354 is located outside the baffle 356. The stop 356 serves to stop the support plate 352 so that the support plate 352 remains in place when pressed against the opposing profiling assembly 34.

The inner side of the baffle 356 is provided with a fixed block. The fixed block cooperates with the stop 356 to limit the movement of the lead screw 353 along its own axis, so that the lead screw 353 only rotates.

The supporting component 35 and the profiling component 34 which are positioned behind the spinning component 33 and respectively arranged at two sides are matched with each other to form and punch two tail extension sections 16, and the tail extension section 16 of the girder 1 is formed in one step, so that the assembling efficiency of the girder profiling assembling tool 3 is high.

The pressing assemblies 36 are arranged at intervals along the length direction of the underframe, and the pressing assemblies 36 are arranged on two sides of the width direction of the underframe and used for pressing the web plate 13 of the girder 1 downwards to press the girder 1 on the underframe. Specifically, in this embodiment, the pressing assemblies 36 are disposed on both sides of the head mold 321, the pressing assemblies 36 are disposed on both sides of the rear portion of the neck mold 322, and the pressing assemblies 36 are not disposed on both sides of the neck mold 322.

Specifically, all the pressing assemblies 36 on both sides are disposed at intervals in the longitudinal direction. In the embodiment, the two pressing assemblies 36 at the rear of the neck mold 322 are located on the same horizontal line. That is, all the pressing assemblies 36 are disposed at intervals in the longitudinal direction as a whole, and two or four of them may be disposed on the same horizontal line in the transverse direction, depending on the actual situation.

Referring to fig. 11, each hold-down assembly 36 includes a hold-down arm 361 and a drive member 363 for driving the hold-down arm 361 up and down. The driving member 363 has a fixed end and a free end located above and elevated with respect to the fixed end, and the fixed end is fixed to the chassis. The pressing arm 361 is connected to the free end and can be lifted and lowered. In this embodiment, the driving member 363 is a cylinder.

Specifically, the pressing arm 361 includes a pressing plate 362 and connecting arms respectively located at two ends of the pressing plate 362. The length of the pressure plate 362 extends in the longitudinal direction, and the two connecting arms are arranged in parallel at a spacing in the longitudinal direction. Each linking arm includes connecting rod, transition pole and extension rod. The connecting rod sets up along horizontal parallel interval with the extension rod to vertical extension, and the length of connecting rod edge vertical direction is less than the length of extension rod. The transition rod level sets up, connects in the top of connecting rod and the top of extension rod. The pressure plate 362 is connected to the bottom ends of the two connecting rods.

The bottom ends of the two transition rods of the pressing arm 361 are both connected with the free end of the driving member.

Further, a reinforcing structure is arranged between the pressing arm 361 and the driving member 363.

Through compressing tightly subassembly 36, compress tightly web 13 of girder 1 on the chassis to convenient welding has guaranteed the precision and the quality of assembling.

This frock 3 is assembled to girder die mould still includes a plurality of jacking subassemblies 37 that set up along the length direction interval of chassis for will assemble the jacking of girder 1 after accomplishing, break away from the chassis, conveniently shift and assemble the girder 1 of accomplishing.

Specifically, in the present embodiment, the number of the jacking assemblies 37 is three, one of the jacking assemblies is disposed at the interval between the head mold 321 and the neck mold 322, the other two jacking assemblies are disposed on the rear underframe 312, one jacking assembly is close to the rear end of the rear underframe 312, and the other jacking assembly is located in the middle region.

Referring to fig. 12, each jacking assembly 37 includes a jacking plate 371, a driving member 372, a guiding post 373, and a limiting plate 374. The lift plate 371 is disposed horizontally and extends in the lateral direction. The driving member drives the lifting plate 371 to lift so as to lift the girder 1. In this embodiment, this driving piece 372 is hydraulic cylinder, has the telescopic link, and the bottom of telescopic link is the stiff end, and the top is the free end, and on the stiff end was fixed in the chassis, the freedom can go up and down along vertical direction for the stiff end, free end and jacking board 371 fixed connection to drive jacking board 371 goes up and down.

The stopper plate 374 is parallel to the lifting plate 371 and is located below the lifting plate 371. The limiting plate 374 is provided with two limiting holes at intervals along the length direction, namely along the transverse direction, and the axis of each limiting hole extends vertically. The limiting plate 374 is sleeved on the periphery of the cylinder seat of the hydraulic cylinder and fixed relative to the cylinder seat of the hydraulic cylinder. The free end of the hydraulic oil cylinder penetrates through the limiting plate 374 to be connected with the jacking plate 371, and the two limiting holes are symmetrically distributed on two sides of the telescopic rod in the transverse direction.

The guide post 373 is fixed to the bottom of the jacking plate 371, extends vertically, and passes through the limiting hole, so that the lifting of the jacking plate 371 is limited, and the jacking plate is lifted along the vertical direction. The two guide posts 373 are disposed corresponding to the two limiting holes one by one.

The girder profiling assembling tool 3 in the embodiment forms the head extension section 14 and the neck connecting section 15 of the girder 1 through the matching of the spinning assembly 33 and the inner mold, the inner mold provides the shape formed by the neck connecting section 15, the spinning assembly 33 is used for spinning forming, and the profiling assembly 34 is used for pressing forming, so that the forming efficiency is high, the forming precision is high, and the forming quality is good. And through the cooperation of shaping subassembly and supporting component 35, the afterbody extension section 16 of shaping girder 1 compresses tightly web 13 of girder 1 on the chassis through compressing tightly subassembly 36 at last, welds the completion assembly of girder 1. Therefore, the girder profiling assembling tool 3 is high in assembling efficiency, assembling precision and assembling quality.

The assembling method of the girder profiling assembling tool 3 for assembling the girder 1 is as follows:

s1, feeding the upper wing plate 11, the lower wing plate 12 and the web plate 13 to the girder profiling assembling tool 3, horizontally placing the web plate 13, and vertically arranging the upper wing plate 11 and the lower wing plate 12.

Specifically, the upper wing plate 11, the lower wing plate 12 and the web 13 are placed on the girder profiling assembling tool 3 in the state shown in fig. 3, the web 13 on the front section frame is placed on the inner mold, and the upper wing plate 11 and the lower wing plate 12 are respectively arranged on two sides of the inner mold.

S2, the spinning assemblies 33 are activated to form the neck connecting section 15 of the girder 1.

Specifically, the two spinning assemblies 33 work simultaneously, one spinning assembly 33 performs rotary arc pressing on the upper wing plate 11, and the other spinning assembly 33 performs rotary arc pressing on the lower wing plate 12.

S3, actuating the profiling assembly 34, forming the head extension 14 and the tail extension 16 of the girder 1.

Specifically, the profiling assemblies 34 are sequentially activated in a front-to-rear order, and the pressing piece 342 is pressed against the upper wing plate 11 or the lower wing plate 12.

The pressing pieces 342 of the profiling assemblies 34 located at both sides of the front end of the base frame press the upper wing plate 11 and the lower wing plate 12 against the head mold 321, respectively, thereby molding the head extension 14.

The presser 342 of the profiling assembly 34 located behind the spinning assembly 33 presses the upper wing plate 11 or the lower wing plate 12 against the support assembly 35 on the other side, thereby forming the tail extension 16. In this embodiment, the profiling assembly 34 presses against the upper panel 11.

And S4, starting the pressing assembly 36 to press the web plate 13 of the girder 1 on the underframe.

Specifically, the hold-down arm 361 is controlled by the hydraulic ram of the hold-down assembly 36 to be lowered, so that the hold-down plate 362 holds the web 13 down onto the pre-chassis.

And S5, welding the upper wing plate 11, the lower wing plate 12 and the web plate 13 of the girder 1 to finish assembling.

And S6, starting the jacking assembly 37 to jack the assembled girder 1 to be separated from the underframe, and transferring the girder 1 outwards.

According to the assembling method of the girder 1, the inner die, the spinning assembly 33, the profiling assembly 34 and the supporting assembly 35 are matched for one-step forming, the forming precision is high, the quality is good, the web plate 13 of the girder 1 is pressed on the underframe through the pressing assembly 36, then welding is carried out, the welding precision and quality are guaranteed, and therefore the assembling quality of the girder 1 is guaranteed. And finally, the girder 1 which is assembled is jacked to be separated from the underframe through the jacking component 37, and the girder 1 is transferred outwards from the underframe, so that the girder profiling assembling tool 3 is convenient to unload, and the assembling efficiency of the girder 1 is further improved.

While the present invention has been described with reference to several exemplary embodiments, it is understood that the terminology used is intended to be in the nature of words of description and illustration, rather than of limitation. As the present invention may be embodied in several forms without departing from the spirit or essential characteristics thereof, it should also be understood that the above-described embodiments are not limited by any of the details of the foregoing description, but rather should be construed broadly within its spirit and scope as defined in the appended claims, and therefore all changes and modifications that fall within the meets and bounds of the claims, or equivalences of such meets and bounds are therefore intended to be embraced by the appended claims.

Claims

1. The utility model provides a frock is assembled to girder die mould, the girder is the gooseneck form, includes head extension section, neck linkage segment and afterbody extension section along its self length direction, its characterized in that, the frock is assembled to girder die mould includes:

a chassis;

the pressing assemblies are arranged at intervals along the length direction of the underframe, and are arranged on two sides of the width direction of the underframe and used for pressing the web plate of the girder downwards to press the girder on the underframe;

the inner die is arranged in the middle of the underframe in the width direction and extends along the length direction of the underframe; the inner die is positioned at the front end of the underframe in the length direction;

the two spinning assemblies are respectively arranged on two sides of the inner die and are used for spinning an upper wing plate and a lower wing plate of the girder to the inner die to form the neck connecting section;

the plurality of supporting assemblies are arranged on one side of the bottom frame at intervals along the length direction of the bottom frame and are positioned behind the spinning assemblies;

the pressing assemblies are arranged at intervals along the length direction of the bottom frame, the pressing assemblies are arranged on the two sides of the bottom frame and located in front of the spinning assemblies and used for pressing the upper wing plate and the lower wing plate to the inner die to form the head extending section, and the pressing assemblies are arranged on the other sides, opposite to the supporting assemblies, of the rear of the spinning assemblies and matched with the supporting assemblies to form the tail extending section.

2. The girder profiling assembling tool according to claim 1, wherein the inner mold comprises the head mold and a neck mold arranged behind the head mold; the width of the head mould is gradually increased from front to back along the length direction of the head mould, the two sides of the neck mould are both wavy, and the height of the front end of the neck mould is higher than that of the back end of the neck mould.

3. The tooling is assembled to girder profiling of claim 1, wherein the inner mold is detachably connected to the underframe.

4. The tooling of claim 1, wherein each spinning assembly comprises:

the two mounting frames are erected on the side edges of the underframe at intervals along the length direction of the underframe;

the rotating arm is wave-shaped and is arranged on the side edge of the inner die; the first end of the rotating arm is hinged with the top of one mounting rack;

and the hydraulic oil cylinder is arranged at the top of one mounting frame and is connected with the outer side of the second end of the rotating arm, so that the rotating arm is driven to rotate to form the neck connecting section.

5. The girder profiling assembling tool according to claim 4, wherein the inner side of the rotating arm of one of the two spinning assemblies is in a shape consistent with the top of the neck connecting section of the girder, and the inner side of the rotating arm of the other spinning assembly is in an arc shape consistent with the bottom of the neck connecting section of the girder.

6. The tooling is assembled to girder profiling of claim 4, wherein a first rotating shaft extending vertically is arranged on the outer side of the second end of the rotating arm, the hydraulic oil cylinder is connected with the mounting frame through a second rotating shaft extending vertically, and an expansion rod of the hydraulic oil cylinder is connected with the first rotating shaft through a third rotating shaft extending horizontally.

7. The girder profiling assembling tool according to claim 4, wherein the hydraulic oil cylinder is connected with the concave portion of the rotating arm from the outside to the inside.

8. The tooling of claim 1, wherein each profiled assembly comprises:

the fixing plate is fixed on the underframe;

the pressing block is arranged on the fixing plate and can move along the width direction of the underframe to press or loosen an upper wing plate or a lower wing plate of a girder on the girder profiling assembling tool;

and the driving piece is connected with the pressing block and drives the pressing block to move along the width direction of the bottom frame.

9. The tooling of claim 1, wherein the hold-down assembly comprises:

the driving piece is provided with a fixed end and a free end which is lifted relative to the fixed end, and the fixed end is fixed on the underframe;

and the pressing arm is connected with the free end and can lift along with the free end.

10. The tooling of claim 1, wherein the support assembly comprises:

the connecting plate is arranged on the side edge of the underframe;

and the supporting plate is erected on the connecting plate and is used for being abutted against the large upper wing plate or the large lower wing plate of the crossbeam.

11. The girder profiling assembling tool according to claim 10, wherein the connecting plate is provided with an adjusting hole extending in the width direction of the underframe, and the support plate is in sliding fit with the adjusting hole; the support assembly further comprises:

and the driving piece comprises a screw rod connected with the supporting plate so as to drive the supporting plate to move in the adjusting hole.

12. The girder profiling assembling tool according to claim 1, further comprising a plurality of jacking assemblies arranged at intervals along the length direction of the underframe; each jacking subassembly includes:

the jacking plate is horizontally arranged;

the driving piece is provided with a fixed end and a free end relative to the fixed end, the fixed end is fixed on the underframe, and the free end is fixedly connected with the bottom of the jacking plate and drives the jacking plate to lift.

13. The tooling is assembled to girder profiling of claim 1, wherein the underframe comprises a front underframe and a rear underframe which are arranged along the length direction, and the front underframe and the rear underframe are connected through a flange.

14. A girder profiling assembling method is characterized in that a girder profiling assembling tool according to any one of claims 1 to 13 is adopted;

starting the spinning assembly to form a neck connecting section of the girder;