CN112324466A - Trolley gantry - Google Patents
Trolley gantry Download PDFInfo
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- CN112324466A CN112324466A CN202011317764.5A CN202011317764A CN112324466A CN 112324466 A CN112324466 A CN 112324466A CN 202011317764 A CN202011317764 A CN 202011317764A CN 112324466 A CN112324466 A CN 112324466A
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- 238000000034 method Methods 0.000 abstract description 12
- 230000008569 process Effects 0.000 abstract description 12
- 238000003754 machining Methods 0.000 abstract description 5
- 238000010276 construction Methods 0.000 abstract description 4
- 230000000694 effects Effects 0.000 description 7
- 230000005484 gravity Effects 0.000 description 6
- 210000001364 upper extremity Anatomy 0.000 description 5
- 238000003466 welding Methods 0.000 description 5
- 238000010030 laminating Methods 0.000 description 4
- 230000013011 mating Effects 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 230000000712 assembly Effects 0.000 description 3
- 238000000429 assembly Methods 0.000 description 3
- 230000007246 mechanism Effects 0.000 description 3
- 230000001174 ascending effect Effects 0.000 description 2
- 238000005266 casting Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D11/00—Lining tunnels, galleries or other underground cavities, e.g. large underground chambers; Linings therefor; Making such linings in situ, e.g. by assembling
- E21D11/04—Lining with building materials
- E21D11/10—Lining with building materials with concrete cast in situ; Shuttering also lost shutterings, e.g. made of blocks, of metal plates or other equipment adapted therefor
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D11/00—Lining tunnels, galleries or other underground cavities, e.g. large underground chambers; Linings therefor; Making such linings in situ, e.g. by assembling
- E21D11/40—Devices or apparatus specially adapted for handling or placing units of linings or supporting units for tunnels or galleries
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- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Architecture (AREA)
- Structural Engineering (AREA)
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- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
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- Conveying And Assembling Of Building Elements In Situ (AREA)
Abstract
The invention relates to the technical field of tunnel construction, in particular to a trolley portal, which comprises a beam assembly, a longitudinal beam assembly and an upright post assembly, wherein the beam assembly is arranged on the longitudinal beam assembly; the stand column assembly comprises a stand column body and a connecting seat assembly, the connecting seat assembly is positioned on the upper end face of the stand column body, and a first matching piece and a second matching piece are arranged on the connecting seat assembly; a third fitting piece is arranged on the beam assembly and is connected with the first fitting piece in a matching way; the longitudinal beam assembly is in lap joint with the upper end face of the stand column body, a fourth fitting piece is arranged on the longitudinal beam assembly, and the fourth fitting piece is connected with the second fitting piece in a matched mode. The fit error between the beam assembly and the stand column assembly in the scheme is independent of the fit error between the longitudinal beam assembly and the stand column assembly, so that the verticality requirement of the three in the scheme can be realized through lower machining precision and fit precision, and the process requirement is reduced.
Description
Technical Field
The invention relates to the technical field of tunnel construction, in particular to a trolley portal frame.
Background
The existing tunnel lining trolley consists of a template, a portal, a bracket, a transverse moving mechanism, a jacking mechanism, a walking mechanism, a supporting jack, a ladder platform, a hydraulic system, an electrical system and the like, wherein the portal is an indispensable component of the tunnel lining trolley and is a structural foundation of the tunnel lining trolley, the portal not only bears the walking and moving of the structures of the tunnel lining trolley, such as the template and the bracket, but also bears the concrete pouring pressure of the part, and the whole portal needs to have sufficient strength, rigidity and stability.
The existing portal frame of the tunnel construction trolley mainly comprises two structural forms, one is a traditional portal frame consisting of two longitudinal beams, more than three portal frame cross beams and portal frame stand columns connected to the upper surface of the longitudinal beams, the other is a four-leg portal frame structure formed by two cross beams, two longitudinal beams and stand columns connected below the cross beams, the cross beams are connected to the side surfaces of the longitudinal beams, the stand columns are connected below the cross beams, the requirement on mutual connection precision is high, the connection verticality between the cross beams and the stand columns needs to be guaranteed simultaneously, the connection verticality between the longitudinal beams and the cross beams needs to be guaranteed, the processing is complex, the cost is high, the verticality between the beams of the portal frame needs to be guaranteed when the portal frame.
Disclosure of Invention
The invention aims to provide a trolley portal which can meet the verticality requirement among a stand column, a cross beam and a longitudinal beam through lower machining precision and matching precision.
On one hand, the trolley portal provided by the invention comprises a cross beam assembly, a longitudinal beam assembly and a stand column assembly;
the stand column assembly comprises a stand column body and a connecting seat assembly, the connecting seat assembly is positioned on the upper end face of the stand column body, and a first matching piece and a second matching piece are arranged on the connecting seat assembly;
a third fitting piece is arranged on the beam assembly and is connected with the first fitting piece in a fitting manner;
the longitudinal beam assembly is in lap joint with the upper end face of the upright post body, a fourth fitting piece is arranged on the longitudinal beam assembly, and the fourth fitting piece is in fit connection with the second fitting piece.
Further, the first fitting piece is located on the upper end face of the connecting seat assembly, and the second fitting piece is located on the side end face of the connecting seat assembly.
Furthermore, the up end of connection seat subassembly includes the upper junction plate, first fitting piece is including being located first connecting hole on the upper junction plate, the connection seat subassembly is close to the side end face of longeron subassembly includes the side connecting plate, the second fitting piece is including being located second connecting hole on the side connecting plate, the upper junction plate with the cooperation is connected between the side connecting plate.
Further, the beam assembly comprises a beam web and a beam lower flange plate, the beam web is connected with the beam lower flange plate in a matched mode, the width of the beam lower flange plate in the horizontal direction is larger than the distance between the end faces of the two sides of the beam web in the horizontal direction, and the third matching piece comprises a third connecting hole located in the beam lower flange plate.
Further, the longeron subassembly includes longeron web and longeron side flange board, the longeron web with the cooperation of longeron side flange board is connected, longeron side flange board is greater than along the width of horizontal direction the both sides terminal surface of longeron web is along the interval of horizontal direction, the fourth fitting piece is including being located fourth connecting hole on the longeron side flange board.
Furthermore, the connecting seat assembly comprises a connecting seat web, the upper end of the connecting seat web is connected with the upper connecting plate in a matched mode, and the side end of the connecting seat web is connected with the side connecting plate in a matched mode.
Further, the up end of stand body is equipped with the stand top flange board, the longeron subassembly includes longeron bottom flange board, the stand top flange board with laminate between the longeron bottom flange board, be equipped with the fifth connecting hole on the longeron bottom flange board, be equipped with the sixth connecting hole on the stand top flange board, the fifth connecting hole with connect through the bolt fit between the sixth connecting hole.
Furthermore, the stand column assembly comprises a guide column, the stand column body is connected with the guide column in a sliding mode, and a jacking device used for adjusting the height is arranged between the stand column body and the guide column.
Further, the crossbeam subassembly with be equipped with the cooperation device between the longeron subassembly, the cooperation device includes first otic placode and second otic placode, first otic placode with the crossbeam subassembly cooperation is connected, the second otic placode with the longeron subassembly cooperation is connected, be equipped with first hinge hole on the first otic placode, be equipped with the second hinge hole on the second otic placode, first hinge hole with rotate through the pivot between the second hinge hole and connect.
Further, at least one hole type of the first hinge hole and the second hinge hole is a waist-round hole.
Has the advantages that:
according to the trolley portal frame provided by the invention, the first fitting piece and the second fitting piece belong to the connecting seat assembly, and the connecting piece assembly is matched with other necessary structures to form the stand column assembly, so that the connecting piece assembly can be independently processed, the position and the angle between the first fitting piece and the second fitting piece are controlled, and the requirements on assembly precision and perpendicularity are met. In the assembling process, this scheme utilizes first fitting piece to lift beam assembly, utilizes the up end of stand body to lift the longeron subassembly simultaneously, and beam assembly places on first fitting piece, and first fitting piece plays the effect of location and support to beam assembly simultaneously, and the longeron subassembly is placed at the up end of stand body, contacts with the second fitting piece simultaneously, fixes a position through the second fitting piece, lifts through the up end of stand body. Compared with the series matching mode that the cross beam in the traditional trolley portal is connected to the side face of the longitudinal beam and the upright post is connected to the lower face of the cross beam, the cross beam assembly and the longitudinal beam assembly in the scheme are respectively connected with the corresponding matching pieces on the upright post assembly in a matching way through the respective matching pieces, and the cross beam assembly and the longitudinal beam assembly in the scheme are in a parallel matching way, compared with the traditional series matching mode, the matching error between the cross beam and the longitudinal beam is possibly superposed with the matching error between the cross beam and the upright post, and finally, the obvious matching error between the longitudinal beam and the upright post is caused, so that the verticality requirement between the longitudinal beam and the upright post is not met, and higher processing precision and matching precision are required, the matching error between the cross beam assembly and the upright post assembly in the scheme is independent of the matching error between the longitudinal beam, the structure of connecting seat subassembly has been simplified, has improved the machining precision between first fitting piece and the second fitting piece, consequently, three's straightness that hangs down requires the lower machining precision of accessible and cooperation precision to realize in this scheme to the technological requirement has been reduced.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
Fig. 1 is a schematic structural diagram of a gantry of a trolley according to an embodiment of the present invention;
FIG. 2 is a schematic partial structural view of a gantry of a trolley according to an embodiment of the present invention;
FIG. 3 is a schematic illustration of a structure at the link seat assembly of the gantry of the trolley provided by an embodiment of the present invention;
fig. 4 is a schematic view of an assembly structure of a gantry of a trolley provided by an embodiment of the invention.
Icon: 1-a column assembly; 2-a stringer assembly; 3-a beam assembly; 4-beam web; 5-a lower flange plate of the crossbeam; 6-column body; 7-a triangular bracket; 8-longitudinal beam lower flange plate; 9-stringer webs; 10-a connection seat assembly; 11-column upper flange plate; 12-side connection plate; 13-connecting the socket web; 14-side flange plate of longitudinal beam; 15-an upper connecting plate; 16-a first ear plate; 17-a rotating shaft; 18-a second ear plate; 19-right angle configuration.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the following embodiments, and it should be understood that the described embodiments are some, but not all, embodiments of the present invention. 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 invention.
Examples
The trolley portal according to fig. 1 to 4 comprises a cross beam assembly, a longitudinal beam assembly and a column assembly;
the upright post assembly 1 comprises an upright post body 6 and a connecting seat assembly 10, wherein the connecting seat assembly 10 is positioned on the upper end surface of the upright post body 6, and a first fitting piece and a second fitting piece are arranged on the connecting seat assembly 10;
a third fitting piece is arranged on the beam component 3 and is connected with the first fitting piece in a matching way;
The existing portal frame of the tunnel construction trolley mainly comprises two structural forms, one is a traditional portal frame consisting of two longitudinal beams, more than three portal frame cross beams and portal frame stand columns connected to the upper surface of the longitudinal beams, the other is a four-leg portal frame structure formed by two cross beams, two longitudinal beams and stand columns connected below the cross beams, the cross beams are connected to the side surfaces of the longitudinal beams, the stand columns are connected below the cross beams, the requirement on mutual connection precision is high, the connection verticality between the cross beams and the stand columns needs to be guaranteed simultaneously, the connection verticality between the longitudinal beams and the cross beams needs to be guaranteed, the processing is complex, the cost is high, the verticality between the beams of the portal frame needs to be guaranteed when the portal frame.
The stand subassembly 1 of this scheme includes connecting seat subassembly 10, and connecting seat subassembly 10 is connected with crossbeam subassembly 3 and longeron subassembly 2 cooperation simultaneously, and wherein the first fitting piece on the connecting seat subassembly 10 is joined in marriage with a piece cooperation with the third on the crossbeam subassembly 3 and is connected, and the fourth fitting piece on the second fitting piece on the connecting seat subassembly 10 and the longeron subassembly 2 cooperates and is connected.
The position and the angle between first fitting piece and the second fitting piece can influence the position and the angle of the third fitting piece and the fourth fitting piece connected, and then influence the position and the angle relation between the crossbeam subassembly 3 that the third fitting piece corresponds, the longeron subassembly 2 that the fourth fitting piece corresponds and the stand subassembly 1, including precision and straightness that hangs down. Because first fitting piece and second fitting piece belong to connecting seat subassembly 10 together, the stand subassembly 1 is formed with other necessary structure cooperations to the connecting piece subassembly, consequently can process the connecting piece subassembly alone to control position and angle between first fitting piece and the second fitting piece, with the precision and the straightness requirement that hangs down that reach the assembly. The effect of stand up end is to lift longeron subassembly 2, and longeron subassembly 2 overlap joint is on the stand up end, through lifting of stand for longeron subassembly 2 can receive ascending lift effort, and this lift effort offsets some or whole longeron subassembly gravity. In the assembling process, an assembling error may be generated between the first fitting piece and the third fitting piece, and an assembling error may be generated between the second fitting piece and the third fitting piece, compared with a series fitting mode that a cross beam in a traditional trolley portal frame is connected to the side surface of a longitudinal beam and a stand column is connected below the cross beam, the cross beam assembly 3 and the longitudinal beam assembly 2 in the scheme are respectively in fit connection with corresponding fitting pieces on the stand column assembly 1 through respective fitting pieces, and the cross beam assembly 3 and the longitudinal beam assembly 2 in the scheme are in a parallel fitting mode, compared with the traditional series fitting mode, the fitting error between the cross beam and the longitudinal beam is possibly superposed with the fitting error between the cross beam and the stand column, and finally the obvious fitting error between the longitudinal beam and the stand column is caused, so that the verticality requirement between the longitudinal beam and the stand column is not, the fit error between the beam assembly 3 and the stand column assembly 1 in the scheme is independent of the fit error between the longitudinal beam assembly 2 and the stand column assembly 1, so that the verticality requirement of the three in the scheme can be realized by the lower machining precision and the fit precision, and the process requirement is reduced.
Because the cross beam, the longitudinal beam and the upright post in the traditional trolley portal frame can adopt a mutual stacking mode, and the rest components are supported through respective upper ends, the upper end of the upright post body 6 in the scheme is provided with the connecting seat component 10, the cross beam component 3 and the longitudinal beam component 2 are respectively matched with the connecting seat component 10 to achieve the positioning effect, and meanwhile, the cross beam component 3 and the longitudinal beam component 2 are also lifted to realize the fixation of the cross beam component at the upper end of the upright post component 1, in order to avoid the processing difficulty between the first matching piece and the second matching piece caused by the complicated structure of the connecting seat component 10 from influencing the processing precision between the first matching piece and the second matching piece, the scheme utilizes the first matching piece to lift the cross beam component 3, and simultaneously utilizes the upper end of the upright post body 6 to lift the longitudinal beam component 2, the cross beam component 3 is placed on the first matching piece, and the first matching piece plays the roles of positioning, longeron subassembly 2 is placed at the up end of stand body 6, simultaneously with the second fitting piece contact, fixes a position through the second fitting piece, lifts through the up end of stand body 6.
In an alternative embodiment, the first mating member is located on the upper end surface of the connecting socket assembly 10 and the second mating member is located on the side end surface of the connecting socket assembly 10.
The first fitting piece and the second fitting piece are perpendicular to each other, so that the perpendicularity between the third fitting piece and the fourth fitting piece is guaranteed.
In an alternative embodiment, the upper end surface of the connecting seat assembly 10 includes an upper connecting plate 15, the first fitting piece includes a first connecting hole located on the upper connecting plate 15, the side end surface of the connecting seat assembly 10 close to the longitudinal beam assembly 2 includes a side connecting plate 12, the second fitting piece includes a second connecting hole located on the side connecting plate 12, and the upper connecting plate 15 and the side connecting plate 12 are in fit connection.
Be equipped with a plurality of first connecting holes on the upper junction plate 15, every first connecting hole corresponds a certain third connecting hole on the flange board 5 under the crossbeam, in beam assembly 3 and connection seat subassembly 10 assembling process, the laminating of upper junction plate 15 and the flange board 5 under the crossbeam, utilize position and angle cooperation between upper junction plate 15 and the flange board 5 under the crossbeam to realize the straightness requirement that hangs down between beam assembly 3 and connection seat subassembly 10 and stand subassembly 1, the bolt of meshing between rethread first connecting hole and the third connecting hole is fixed, thereby realize the fixed connection between stand subassembly 1 and the beam assembly 3.
In an alternative embodiment, the beam assembly 3 comprises a beam web 4 and a beam lower flange plate 5, the beam web 4 is in fit connection with the beam lower flange plate 5, the width of the beam lower flange plate 5 in the horizontal direction is greater than the width of the distance between the two side end surfaces of the beam web 4 in the horizontal direction, and the third fitting piece comprises a third connecting hole located on the beam lower flange plate 5.
Crossbeam web 4 is formed by a plurality of plates along the horizontal direction interval setting combination, has the clearance between the adjacent plate, and its effect is when lightening the structure dead weight increase with crossbeam under the connection area between 5 flange boards to increase joint strength between the two. The flange board 5 is followed the both sides terminal surface of horizontal direction protrusion crossbeam web 4 under the crossbeam, thereby guarantee the structural rigidity of crossbeam subassembly 3 along the horizontal direction through great width, for alleviateing the structure dead weight, the flange board 5 is platelike structure under the crossbeam, consequently utilize crossbeam web 4 to guarantee the structural rigidity of crossbeam subassembly 3 perpendicular to horizontal direction, the part of 5 protrusion of flange board in crossbeam web 4 both sides terminal surface under the crossbeam sets up the connection that a plurality of third connecting holes made things convenient for connecting bolt.
Preferably, the beam assembly 3 in the scheme further comprises a beam upper flange plate, the beam upper flange plate is connected with the upper end face of the beam web 4 in a matched mode, the beam lower flange plate 5 is connected with the lower end face of the beam web 4 in a matched mode, and the three are matched to form an I-shaped structure.
In an alternative embodiment, the stringer assembly 2 comprises a stringer web 9 and a stringer side flange plate 14, the stringer web 9 and the stringer side flange plate 14 are in fit connection, the width of the stringer side flange plate 14 in the horizontal direction is larger than the width of the distance between the two side end surfaces of the stringer web 9 in the horizontal direction, and the fourth fitting piece comprises a fourth connection hole on the stringer side flange plate 14.
The effect of longeron side flange board 14 is for a plurality of fourth connecting holes provide the machined surface, and longeron web 9 is formed by the combination of a plurality of plates along the horizontal direction interval setting, has the clearance between the adjacent plate, and its effect is when lightening the structure dead weight increase with longeron side flange board 14 between the connection area to increase joint strength between the two. Because the both sides tip that longeron web 9 is close to connecting seat subassembly 10 is the tip of each plate, its cross sectional dimension is less, and can't set up the connecting hole, this scheme respectively sets up a longeron side flange board 14 at the both sides tip of longeron web 9, longeron side flange board 14 along the horizontal direction protrusion in the both sides terminal surface of longeron web 9, the fourth connecting hole setting is on the part of longeron side flange board 14 protrusion in longeron web 9 both sides terminal surface, make things convenient for connecting bolt's connection.
In an alternative embodiment, connecting socket assembly 10 includes connecting socket web 13, an upper end of connecting socket web 13 being in mating connection with upper connecting plate 15, and a lateral end of connecting socket web 13 being in mating connection with lateral connecting plate 12.
Preferably, connecting seat subassembly 10 in this scheme includes two side connecting plates 12, an upper junction plate 15, a lower connecting plate, side connecting plate 12 is located connecting seat web 13's both sides respectively, upper junction plate 15 is located connecting seat web 13 with lower connecting plate on, both ends down, in this scheme, four connecting plate cooperations are connected and are enclosed to close and form a rectangle frame structure, guarantee the straightness that hangs down between upper junction plate 15 and the side connecting plate 12 through rectangle frame structure, connecting seat web 13 is located rectangle frame structure, play the structure additional strengthening to rectangle frame structure, avoid producing the distortion under the exogenic action because the instability of rectangle.
Welding or integrative casting shaping between each connecting plate in this scheme and connecting seat web 13.
In an alternative embodiment, the upper end face of the body of the pillar assembly 1 comprises a pillar upper flange plate 11, the longitudinal beam assembly 2 comprises a longitudinal beam lower flange plate 8, and the pillar upper flange plate 11 is attached to the longitudinal beam lower flange plate 8.
The effect of flange board 11 on the stand is lift longeron subassembly 2, longeron subassembly 2 overlap joint is on flange board 11 on the stand, the laminating of flange board 8 and the stand upper limb flange board 11 under the longeron, lift through flange board 11 on the stand, make longeron subassembly 2 can receive ascending effort of lifting, this effort of lifting offsets partly or whole longeron subassembly 2's gravity, thereby avoid the bolt between second connecting hole and the fourth connecting hole to receive longeron side flange board 14's effort and produce shear stress, avoid this bolt to take place the fracture.
In an optional embodiment, a fifth connecting hole is formed in the lower flange plate 8 of the longitudinal beam, a sixth connecting hole is formed in the upper flange plate 11 of the upright post, and the fifth connecting hole and the sixth connecting hole are connected in a matched mode through a bolt.
Be equipped with a plurality of fifth connecting holes on longeron lower flange board 8, every fifth connecting hole corresponds a certain sixth connecting hole on the stand upper flange board 11, and in longeron subassembly 2 and stand subassembly 1 assembling process, longeron lower flange board 8 and the laminating of stand upper flange board 11, the bolt of meshing between rethread fifth connecting hole and the sixth connecting hole is fixed to realize the fixed connection between longeron subassembly 2 and the stand subassembly 1.
In an alternative embodiment, the upper flange plate 11 of the upright is horizontal.
The horizontal state means that the upright upper flange plate 11 can counteract all gravity of the longitudinal beam assembly 2, and when the upright upper flange plate 11 has an angle, the gravity of the longitudinal beam assembly 2 can be decomposed into a downward sliding component along the plate surface direction and a pressure on the plate surface, and the downward sliding component can be counteracted by a friction force between the upright upper flange plate 11 and the longitudinal beam assembly 2.
In an alternative embodiment, the pillar assembly 1 includes a guide pillar, the pillar body 6 is slidably connected to the guide pillar, and a jacking device for adjusting the height is disposed between the pillar body 6 and the guide pillar.
Preferably, the jacking device is a jacking oil cylinder and a pin shaft for fixing.
The stand body 6 cover is established outside the guide pillar, and the flexible intracavity of stand body 6 is provided with jacking cylinder, can stretch out and draw back stand body 6 and guide pillar in the journey scope, and the lower extreme and the working face contact of guide pillar, the upper end and the connecting seat subassembly 10 of stand body 6 and stand upper limb listrium 11 cooperation are connected to support crossbeam subassembly 3 and longeron subassembly 2.
Preferably, the welding between stand body 6 and the connecting seat subassembly 10, the welding between stand body 6 and the stand upper limb listrium 11, the side welding of stand has A-frame 7 simultaneously, the side right-angle side of A-frame 7 and the side laminating of stand, opposite side right-angle side and the stand upper limb listrium 11 welding to avoid stand upper limb listrium 11 to produce and buckle. The triangular support 7 reduces the material consumption of the upright post body 6 and reduces the cost while ensuring the enough binding surface of the lower flange plate 8 of the longitudinal beam and the upper flange plate 11 of the upright post.
In an optional embodiment, a matching device is arranged between the cross beam assembly 3 and the longitudinal beam assembly 2, the matching device comprises a first lug plate 16 and a second lug plate 18, the first lug plate 16 is matched and connected with the cross beam assembly 3, the second lug plate 18 is matched and connected with the longitudinal beam assembly 2, a first hinge hole is formed in the first lug plate 16, a second hinge hole is formed in the second lug plate 18, and the first hinge hole and the second hinge hole are rotatably connected through a rotating shaft 17.
In an alternative embodiment, at least one of the first and second hinge holes is a waist circular hole.
Preferably, the first hinge hole is a waist circular hole.
In the assembling process, firstly, the cross beam component 3 and the connecting seat component 10 are fixed, at this time, the upright post body 6 is in a falling state, the first lug plate 16 on the cross beam component 3 faces the ground, the longitudinal beam component 2 is close to the cross beam component 3, the longitudinal beam component 2 is placed on the ground, the second hinge hole on the second lug plate 18 is aligned with the first hinge hole on the first lug plate 16, the hinge between the first lug plate 16 and the second lug plate 18 is completed by inserting the rotating shaft 17 into the second hinge hole and the first hinge hole, the rotating shaft can slide in the first hinge hole, namely the kidney-round hole, at this time, the upright post upper flange plate 11 is opposite to the longitudinal beam side flange plate 14 of the longitudinal beam component 2, when in actual use, the number of the upright post bodies 6 is four, the number of the cross beam component 3 and the longitudinal beam component 2 are two respectively, two ends of the longitudinal beam component 2 are respectively connected with the cross beam component 3 on the ground in a hinge mode in advance as, the two longitudinal beam assemblies 2 are hoisted in parallel through a crane, the suspended combined transverse beam assembly 3 and the upright post body 6 automatically fall and are in a vertical state under the action of gravity, wherein the arrangement of the waist circular holes on the ear plates is used for preventing the interference of the longitudinal beam assemblies 2 on the whole falling motion of the combined transverse beam assembly 3 and the upright post body 6; the specific process is that the upright post body 6 is gradually vertical to the ground in the erecting process, the first lug plate 16 is changed along with the angle of the cross beam assembly 3, the longitudinal beam assembly 2 is rotationally connected with the cross beam assembly 3, the longitudinal beam assembly 2 keeps higher parallelism relative to the ground under the action of gravity, the specific parallelism depends on the erecting synchronism of the upright post bodies 6 at two ends, the upright post upper flange plate 11 is equivalent to rotate around the rotating shaft 17 and is gradually opposite to the longitudinal beam lower flange plate 8 in the rotating process, the longitudinal beam lower flange plate 8 of the longitudinal beam assembly 2 is in right-angle transition with the longitudinal beam side flange plate 14 in the process that the longitudinal beam assembly 2 contacts the upright post upper flange plate 11, the right-angle structure 19 is abutted against the upright post upper flange plate 11, the distance between the rotating shaft 17 and the upright post upper flange plate 11 is equivalent to the distance between the rotating shaft 17 and the vertex of the right-angle structure 19 and is equivalent to the length of an oblique side of a right-angle, at this moment, the rotating shaft 17 is located at the middle section of the first hinge hole, an included angle between the longitudinal beam lower flange plate 8 and the column upper flange plate 11 is reduced, the longitudinal beam lower flange plate 8 and the column upper flange plate 11 are gradually attached, the distance between the rotating shaft 17 and the column upper flange plate 11 is gradually equal to the distance between the rotating shaft 17 and the longitudinal beam lower flange plate 8, the equivalent is the right angle side length of a right triangle, the right angle side length is smaller than the oblique side length, therefore, the rotating shaft 17 is gradually close to one end of the first hinge hole, when the column body 6 is completely in a vertical state, the longitudinal beam lower flange plate 8 and the column upper flange plate 11 are attached, the longitudinal beam side flange plate 14 and the side connecting plate 12 are attached, and the lifting and the positioning of the longitudinal beam assembly 2 are completed. After the combined transverse beam assembly 3 and the upright post body 6 are in a drooping vertical state, the two longitudinal beam assemblies 2 are placed through a crane until the lower end of the vertically drooping upright post body 6 stably lands, and then the corresponding connecting holes are fixedly connected through bolts to complete the fixed connection of the portal frame, so that the overhead working time of portal frame installation is reduced, and the portal frame is safer, more convenient and faster.
In the description of the embodiments of the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases for those skilled in the art.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art will understand that the following embodiments are merely illustrative of the present invention, and not restrictive, and the scope of the present invention is not limited thereto: any person skilled in the art can modify or easily conceive the technical solutions described in the foregoing embodiments or equivalent substitutes for some technical features within the technical scope of the present disclosure; such modifications, changes or substitutions do not depart from the spirit and scope of the embodiments of the present invention, and they should be construed as being included therein. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (10)
1. The trolley portal frame is characterized by comprising a cross beam assembly, a longitudinal beam assembly and a stand column assembly;
the upright post assembly (1) comprises an upright post body (6) and a connecting seat assembly (10), the connecting seat assembly (10) is positioned on the upper end face of the upright post body (6), and a first fitting piece and a second fitting piece are arranged on the connecting seat assembly (10);
a third fitting piece is arranged on the beam assembly (3), and the third fitting piece is connected with the first fitting piece in a fitting manner;
longeron subassembly (2) with the up end overlap joint of stand body (6), be equipped with the fourth fitting piece on longeron subassembly (2), the fourth fitting piece with the second fitting piece cooperation is connected.
2. The trolley portal according to claim 1, characterized in that said first fitting element is located at the upper end face of said connection seat assembly (10) and said second fitting element is located at the side end face of said connection seat assembly (10).
3. The trolley portal according to claim 1, characterized in that the upper end face of the connection seat assembly (10) comprises an upper connection plate (15), the first fitting piece comprises a first connection hole located on the upper connection plate (15), the side end face of the connection seat assembly (10) close to the longitudinal beam assembly (2) comprises a side connection plate (12), the second fitting piece comprises a second connection hole located on the side connection plate (12), and the upper connection plate (15) and the side connection plate (12) are in fit connection.
4. The trolley portal frame according to claim 1, characterized in that the beam assembly (3) comprises a beam web (4) and a beam lower flange plate (5), the beam web (4) is in fit connection with the beam lower flange plate (5), the width of the beam lower flange plate (5) in the horizontal direction is larger than the distance between two side end surfaces of the beam web (4) in the horizontal direction, and the third fitting piece comprises a third connecting hole on the beam lower flange plate (5).
5. The trolley portal according to claim 1, characterized in that the longitudinal beam assembly (2) comprises a longitudinal beam web (9) and a longitudinal beam side flange plate (14), the longitudinal beam web (9) and the longitudinal beam side flange plate (14) are in fit connection, the width of the longitudinal beam side flange plate (14) in the horizontal direction is larger than the distance between the two side end surfaces of the longitudinal beam web (9) in the horizontal direction, and the fourth fitting piece comprises a fourth connecting hole on the longitudinal beam side flange plate (14).
6. The trolley gantry according to claim 3, characterized in that the connection seat assembly (10) comprises a connection seat web (13), the upper end of the connection seat web (13) is in fit connection with the upper connection plate (15), and the side end of the connection seat web (13) is in fit connection with the side connection plate (12).
7. The trolley portal according to claim 1, characterized in that the upper end face of the upright body is provided with an upright upper flange plate (11), the longitudinal beam assembly (2) comprises a longitudinal beam lower flange plate (8), the upright upper flange plate (11) and the longitudinal beam lower flange plate (8) are jointed,
and a fifth connecting hole is formed in the lower flange plate (8) of the longitudinal beam, a sixth connecting hole is formed in the upper flange plate (11) of the upright post, and the fifth connecting hole is connected with the sixth connecting hole in a matched mode through a bolt.
8. The trolley portal according to claim 1, characterized in that said mast assembly (1) comprises a guide post, between which said mast body (6) is slidably connected, between which a jacking device for adjusting the height is provided between said mast body (6) and said guide post.
9. The trolley portal frame according to claim 1, characterized in that a matching device is arranged between the cross beam assembly (3) and the longitudinal beam assembly (2), the matching device comprises a first lug plate (16) and a second lug plate (18), the first lug plate (16) is matched and connected with the cross beam assembly (3), the second lug plate (18) is matched and connected with the longitudinal beam assembly (2), a first hinge hole is arranged on the first lug plate (16), a second hinge hole is arranged on the second lug plate (18), and the first hinge hole and the second hinge hole are rotatably connected through a rotating shaft (17).
10. The trolley portal of claim 9, wherein at least one of the hole patterns of both the first and second hinge holes is a waist-round hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011317764.5A CN112324466A (en) | 2020-11-20 | 2020-11-20 | Trolley gantry |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011317764.5A CN112324466A (en) | 2020-11-20 | 2020-11-20 | Trolley gantry |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112324466A true CN112324466A (en) | 2021-02-05 |
Family
ID=74320982
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011317764.5A Pending CN112324466A (en) | 2020-11-20 | 2020-11-20 | Trolley gantry |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112324466A (en) |
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