CN113914192A - Bailey beam and distribution beam connecting device suitable for multiple occasions - Google Patents
Bailey beam and distribution beam connecting device suitable for multiple occasions Download PDFInfo
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- CN113914192A CN113914192A CN202111144747.0A CN202111144747A CN113914192A CN 113914192 A CN113914192 A CN 113914192A CN 202111144747 A CN202111144747 A CN 202111144747A CN 113914192 A CN113914192 A CN 113914192A
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- 238000003825 pressing Methods 0.000 claims abstract description 57
- 238000010276 construction Methods 0.000 abstract description 8
- 229910000831 Steel Inorganic materials 0.000 description 19
- 239000010959 steel Substances 0.000 description 19
- 238000005452 bending Methods 0.000 description 8
- 230000001360 synchronised effect Effects 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 238000006073 displacement reaction Methods 0.000 description 4
- 230000009977 dual effect Effects 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 230000002787 reinforcement Effects 0.000 description 4
- 230000009471 action Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000009415 formwork Methods 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000003014 reinforcing effect Effects 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 230000003044 adaptive effect Effects 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000001066 destructive effect Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D15/00—Movable or portable bridges; Floating bridges
- E01D15/12—Portable or sectional bridges
- E01D15/133—Portable or sectional bridges built-up from readily separable standardised sections or elements, e.g. Bailey bridges
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D19/00—Structural or constructional details of bridges
Abstract
The invention relates to the technical field of erection construction of a template bracket system of a bridge cast-in-place box girder, in particular to a Bailey beam and distribution beam connecting device suitable for multiple occasions, which comprises a pressing piece and two fixing rods arranged side by side, wherein each fixing rod comprises a straight rod section and a hook-shaped section connected to one end of the straight rod section, the other ends of the two straight rod sections are detachably connected through the pressing piece, the Bailey beam and distribution beam connecting device also comprises a connecting rod fixedly connecting the two fixing rods, the connecting rod is of a telescopic structure, the connecting device is simple to operate and convenient to use, the Bailey beam can be directly bent down to be inserted into a gap between the Bailey beams when standing on the upper part of the Bailey beam, so that the Bailey beams are hooked and fixed by the hook-shaped sections, the problem that a horseback bolt cannot be directly inserted into the gap from the upper part is solved, and the distance between the two fixing rods can be randomly adjusted by the connecting rod of the telescopic structure, can be applied to a plurality of occasions.
Description
Technical Field
The invention relates to the technical field of erection construction of a formwork support system of a bridge cast-in-place box girder, in particular to a connecting device for a Bailey beam and a distribution beam, which is suitable for multiple occasions.
Background
The Bailey beam has the advantages of rapid erection and strong maneuverability, and is widely applied to engineering construction processes, such as construction platforms, engineering sidewalk bridges, river-crossing temporary bridges and support platform foundations. The bailey truss is a truss assembled by bailey frames and provided with a plurality of truss units 6a, as shown in fig. 1, each truss unit 6a comprises an upper chord 61 and a lower chord 62, a plurality of vertical support rods 63 are vertically arranged between the upper chord 61 and the lower chord 62, the upper chord 61 and the vertical support rods 63 are connected through upper diagonal support rods 64 for reinforcement, the truss unit structure reinforced by the lower diagonal support rods 65 and the vertical support rods 63 is connected through lower diagonal support rods 62, and both ends of the upper chord 61 and the lower chord 62 are provided with male joints 66 and female joints 67, so that each truss unit 6a can be connected end to end.
The Bailey beams 6 are generally horizontally erected, section steel such as I-steel is erected on the upper chords 61 of the Bailey beams 6 to serve as distribution beams 7, as shown in FIG. 2, a plurality of distribution beams 7 are laid on each truss unit 6a, and the tops of the distribution beams 7 are used for laying panels or directly erecting supports 8 for passing vehicles or serving as construction platforms or erecting supports 8 for cast-in-situ box girders of bridges. The upper chord 61 of the Bailey beam 6 and the profile steel distribution beam 7 on the top of the Bailey beam are fixed by riding bolts or welded and fixed by channel steel, the Bailey beam 6 and the distribution beam 7 are fixed into an integral structure to be reinforced, and safety accidents such as overturning or collapsing caused by displacement between the Bailey beam 6 and the distribution beam 7 are avoided. But the channel steel welding and fixing mode can destroy the structures of the distribution beam 7 and the Bailey beam 6, the structures of the distribution beam 7 and the Bailey beam 6 which are repeatedly used have a destructive effect, the next recycling is influenced, and the disassembly is inconvenient after welding. But the connecting part between the joint of the upper chord 61 and the vertical support bar 63 in the Bailey beam 6 and the distribution beam 7 cannot be used by adopting a riding bolt fixing or other structural connection and reinforcement mode, such as the H portion in fig. 2, cannot be applied to the portion of the beret beam 6 where the node point where the upper chord 61 and the upper diagonal brace 64 are supported and connected to the distribution beam 7, such as the G portion in the drawing, in the figure, the J part, that is, the connecting part of two adjacent truss units 6a and the distribution beam 7 at the splicing node of the upper chord 61, cannot be reinforced by adopting the reinforcing method in the prior art, or only one side of the connecting parts can be reinforced respectively, but not the whole connecting parts, which has influence on the stability of the installation of the distribution beam, particularly, the upper platform is used for building a bridge cast-in-place box girder in the construction process, and has certain hidden dangers in the aspects of box girder support system safety and constructor safety. Therefore, how to integrally reinforce the lap joint part at the connecting part of the Bailey beam and the distribution beam is a problem to be considered in the process of erecting a bridge cast-in-place box beam formwork support system.
Disclosure of Invention
At least one of the objects of the present invention is to provide a connecting device for a beret beam and a distributor beam, which is suitable for multiple occasions, and aims to solve the problems that the joint of the beret beam and the distributor beam cannot be integrally reinforced in the prior art, and the joint cannot be reinforced due to the fact that the joint has more structures and larger transverse reinforcement sizes, and the connecting device for the beret beam and the distributor beam can simultaneously and integrally reinforce the distributor beam and the beret beam on two sides of the distributor beam, and can also be used in the occasions that the bottom of an upper chord of the beret beam supports and connects nodes and the joints have more structures, so that the distributor beam and the beret beam are firmly connected, and the problems that the distribution beam collapses, topples, and displaces relative to the beret beam, which affect the structural safety are avoided.
In order to achieve the above object, the present invention adopts the following aspects.
The utility model provides a bailey beam and distribution beam connecting device suitable for many occasions, is including compressing tightly the piece and two dead levers of arranging side by side, the dead lever includes the straight-bar section and connects the hook-shaped section of straight-bar section one end, two the other end of straight-bar section passes through compress tightly the detachable connection of piece, bailey beam and distribution beam connecting device still include with two dead lever fixed connection's connecting rod, and this connecting rod is the retractable structure.
The distributing beam is tightly buckled and pressed on the Bailey beam through the pressing piece, so that the distributing beam is ensured to be firmly connected with the Bailey beam, and the problems of collapse, overturn and potential danger of displacement relative to the Bailey beam of the distributing beam are solved;
because two fixed rods are arranged and can be hooked and fixed from two sides at the connecting part, the Bailey beam and distribution beam connecting device suitable for multiple occasions can be used at the connecting part of a node and a distribution beam in the Bailey beam structure, and the node comprises two parts: the joint where the upper chord and the vertical support rod in the Bailey beam are supported and connected and the joint where the upper chord and the upper diagonal brace in the Bailey beam are supported and connected solve the problem that the prior art can only fix and reinforce from one side of the connection part;
the connecting device for the Bailey beam and the distributing beam suitable for multiple occasions is simple to operate and convenient to use, can be directly stood down to be inserted into gaps between the Bailey beams when standing on the upper parts of the Bailey beams, so that the Bailey beams are hooked and fixed by the hook-shaped sections, the problem that a horse riding bolt cannot be directly inserted and fixed from the upper parts is solved, the dismounting is also very convenient, two fixing rods can be directly taken out from the upper parts of the Bailey beams after a pressing piece is loosened, meanwhile, the distributing beam or the Bailey beams cannot be damaged, and the Bailey beams can be repeatedly recycled indefinitely;
the connecting rod that adopts retractable structure will connect two dead levers of arranging side by side, make and connect into overall structure through connecting rod and compressing tightly the piece simultaneously between two dead levers, improve bailey beam and distribution beam connecting device's structural integrity on the one hand, stability, on the other hand is favorable to the assembly more, need not insert the dead lever respectively on the bailey beam after connecting, but hook the bailey beam with bailey beam and distribution beam connecting device's both sides hook-shaped section simultaneously, and mention two straight-bar sections from the distribution beam both sides can, solve the problem that the distance between two dead levers of arranging side by side needs to be adjusted on the other hand, can be on the basis of guaranteeing connecting device structural integrity and fastness many occasions applied this connecting device, have the application scope extensively, the many advantages of application occasion.
Preferably, the other ends of the two straight rod sections are provided with connecting threads, and the pressing piece is detachably connected with the two fixing rods through the connecting threads.
The connecting threads are arranged on the straight rod sections of the two fixing rods, the two fixing rods are connected into a whole by the pressing piece, the Bailey beam and the distributing beam are positioned in the range of buckling and fixing by the hook sections, the straight rod sections and the pressing piece, and form an integral structure by means of bolt fixing, so that the Bailey beam and the distributing beam are not easy to relatively slide and shift.
Preferably, the pressing piece is connected to the other ends of the two straight rod sections through a double-fixed type clamping hoop.
The spare compresses tightly fixed back with bailey roof beam and distribution beam, distribution beam and bailey roof beam can influence connecting device's structural stability receiving external force effect down, adopt two fixed clamps will compress tightly the piece and be connected the back with the straight-bar section of dead lever, can improve the firm in connection degree between them, and then firmly fix into overall structure with distribution beam and bailey roof beam, avoid influencing the problem of connecting device structure safety because of bailey roof beam and distribution beam produce under receiving external force effect, further improve bailey roof beam and distribution beam overlap joint structure's stability and firm degree.
Preferably, the double-fixed type hoop comprises a bending rod piece with a first hoop elbow and a locking sheet with a second tile type hoop, two ends of the first hoop elbow of the bending rod piece are bent towards the first hoop elbow side again to form two second hoop elbows, and the locking sheet is connected with the end parts of the two second hoop elbows of the bending rod piece in a bolt mode, so that the first hoop elbow and the second tile type hoop are located on the same cylindrical surface.
Adopt the two fixed clamps of this structure will compress tightly the piece and fix on the straight-bar section of dead lever, fix the straight-bar section of dead lever simultaneously through first staple bolt elbow and second tile formula staple bolt, fix compressing tightly the piece through second staple bolt elbow pair simultaneously to this two fixed clamps form two second staple bolt elbows at first staple bolt elbow both ends, firmly will compress tightly a piece and fix with the dead lever. When the Bailey beam and the distribution beam move under the action of external force, the acting force applied to the fixing rod or the pressing piece can be converted into larger locking force through the double-fixed type hoop, so that the straight rod section is more firmly connected with the pressing piece.
Further, the pressing piece is of a round rod-shaped structure. Adopt the steel pipe or the threaded rod of round bar shape structure as compressing tightly the piece, compress tightly the piece and fix with the dead lever more firmly, the atress situation is better, compresses tightly the piece and is difficult to destroyed, and when the first staple bolt elbow in two fixed clamps was bent to this elbow one side once more in addition, just in time formed and to be able to be with the fixed second staple bolt elbow of round bar shape structure, it is better to connect fixed effect.
Further, when adopting two fixed clamps to fix pressing member in the straight-bar section, first staple bolt elbow, second staple bolt elbow and second tile formula staple bolt department set up the rubber cushion, improve and press the friction between piece and the dead lever, and then improve the firm in connection.
Preferably, the pressing piece is of a pressing plate-shaped structure with locking holes at two ends. The pressing plate-shaped structure is used as the pressing piece, so that the contact area between the pressing piece and the distribution beam is large, the side-turning overturning of the distribution beam can be effectively prevented, and the locking hole is used for enabling the fixing rod to penetrate into and be fixedly connected with the fixing rod.
Furthermore, the locking hole is a strip-shaped hole, the strip-shaped hole is used as the locking hole, the locking part can be determined according to the distance between the two fixing rods, and the connecting device is suitable for connecting devices with multiple structural forms, wherein the connecting rods are of telescopic structures.
Preferably, the connecting rod includes first connecting rod and the second connecting rod that arranges side by side, first connecting rod and second connecting rod can follow connecting rod axial direction relative formula and remove, just first connecting rod and second connecting rod pass through the binary channels formula clamp and fix.
The connecting rod adopts two connecting rods of arranging side by side for the connecting rod is firm overlap joint structure at the big joint position when flexible, can guarantee the joint strength of connecting rod, simultaneously through the fixed mode of binary channels formula clamp, guarantees can not slide between head rod and the second connecting rod, and then ensures this bailey roof beam and distribution beam connecting device's whole fastness.
Preferably, the binary channels formula clamp includes check lock lever and two simplex buckles, two the simplex buckle is installed side by side on the check lock lever, every the simplex buckle includes two articulated clamp pieces, two the other end of clamp piece is articulated.
The double-channel clamp with the two single-type buckles arranged on the locking rod side by side is adopted, one end of each of the two clamp pieces of each single-type buckle is hinged, the other end of each clamp piece is installed on the locking rod, the two clamp pieces are fixedly clamped with the connecting rod through the locking bolt, the two single-type buckles are arranged side by side and fixed together through the locking bolt, the clamping between the fixed first connecting rod and the fixed second connecting rod is guaranteed to be prevented from sliding, and further the overall firmness of the Bailey beam and the distribution beam connecting device is improved.
Preferably, the connecting rod is connected to a straight rod section of the fixing rod. The hook-shaped section is used for hooking and fixing the Bailey beam, the connecting rod is arranged on the straight rod section, the hook-biting part of the hook-shaped section and the Bailey beam is tightly attached and hooked on the premise of improving the structural integrity and stability of the Bailey beam and distribution beam connecting device, and the connecting rod is prevented from being connected to the hook-shaped section to cause adverse effect on the hook-biting part.
Preferably, the connecting rod is attached to the ends of two hook-shaped segments. On the one hand, the structural integrity and the stability of the connecting device of the Bailey beam and the distribution beam are improved, on the other hand, the tail end of the hook-shaped section forms an integrated structure, so that two fixing rods simultaneously hook the hook-biting part tightly, and the synchronous hooking and the synchronous stress are ensured.
Preferably, the hook-shaped section comprises a first hook portion, a straight portion and a second hook portion, one end of the first hook portion is connected with the straight rod section, the other end of the first hook portion is connected with the straight portion, and the second hook portion is connected to the other end of the straight portion. The structure that the straight section part is connected with the two hook parts to form the hook-shaped section can ensure that the hook-shaped section has larger contact length when hooking the upper chord of the Bailey beam, so that the whole hook-shaped section is stressed, the problem that the hook is not firmly bitten is avoided, and the hook in the structural form is not easy to deform because the stress is more dispersed, thereby ensuring that the Bailey beam and the Bailey beam connecting device firmly connect and fix the distribution beam and the Bailey beam.
Further, the first hook part and the second hook part are both right-angle hooks.
Preferably, the first hook part, the straight section part and the second hook part are connected to form a U-shaped structure. The hook-shaped section with the U-shaped structure can hook and bite the bottom and two side parts of the upper chord of the Bailey beam, so that the length of the hooked and bitten part is further increased, and the structural stability is ensured.
Preferably, the straight section part is of a lengthened straight rod structure. The straight section part is lengthened, the hook part can enable the upper chord of the Bailey beam erected by the distribution beam to be integrally hooked, the hooking range is expanded, the distribution beam and the erected Bailey beam integrally but not locally form a fixed structure, the stress condition is further improved, the application range of the Bailey beam and distribution beam connecting device can be further expanded, and the Bailey beam and distribution beam connecting device can be applied to wider parts of the upper chord of the Bailey beam.
Preferably, the straight rod section is of a telescopic rod structure. The straight line section of the telescopic rod piece structure is adopted, the application occasions of the connecting device of the Bailey beam and the distribution beam can be further improved, and the connecting device can be used for building working conditions of the Bailey beam and the distribution beam in different height ranges. In order to improve the stress strength of the Bailey beam, a layer of upper chord or profile steel structure is added on the upper chord of the Bailey beam under partial working conditions, then the distribution beam is erected on the added upper chord or profile steel structure, and the Bailey beam and distribution beam connecting device adopting the structural form can be pertinently applied by adjusting the length of the straight section.
Preferably, the beret beam and distribution beam connecting device further comprises a reverse hook-shaped section, wherein the reverse hook-shaped section is connected to the straight rod section and forms a mirror image arrangement structure with the hook-shaped section.
The reverse hook-shaped section is arranged on the mirror image side of the hook-shaped section, so that the Bailey beam and distribution beam connecting device can extend into the middle slot of the upper chord of the Bailey beam, the hook-shaped section and the reverse hook-shaped section are respectively hooked on the upper chord parts on the respective sides, and are connected and fixed on the straight rod section through the pressing piece.
In summary, due to the adoption of the technical scheme, the invention at least has the following beneficial effects:
1. the distributing beam is tightly buckled and pressed on the Bailey beam through the pressing piece, so that the distributing beam is ensured to be firmly connected with the Bailey beam, and the problems of collapse, overturn and potential danger of displacement relative to the Bailey beam of the distributing beam are solved;
2. the connecting rod with a telescopic structure is adopted to connect the two fixed rods which are arranged side by side, so that the two fixed rods are connected into an integral structure through the connecting rod and the pressing piece, on one hand, the structural integrity and the stability of the connecting device of the Bailey beam and the distribution beam are improved, on the other hand, the assembly is more facilitated, the fixed rods do not need to be respectively inserted into the Bailey beam and then are connected, but hook-shaped sections on two sides of the Bailey beam and distribution beam connecting device are used for hooking the Bailey beam simultaneously, and the two straight rod sections are lifted from two sides of the distribution beam, on the other hand, the problem that the distance between the two fixed rods which are arranged side by side needs to be adjusted is solved, the connecting device can be applied on multiple occasions on the basis of ensuring the structural integrity and the firmness of the connecting device, and the connecting device has the advantages of wide application range and multiple application occasions;
3. the connecting rod is connected to the tail ends of the two hook-shaped sections, so that the structural integrity and stability of the connecting device of the Bailey beam and the distribution beam are improved on one hand, and the tail ends of the hook-shaped sections form an integrated structure on the other hand, so that the two fixing rods simultaneously hook the hooked parts tightly, and the synchronous hooking and synchronous stress are ensured;
4. the reverse hook-shaped section is arranged on the mirror image side of the hook-shaped section, so that the Bailey beam and distribution beam connecting device can extend into the middle slot of the upper chord of the Bailey beam, the hook-shaped section and the reverse hook-shaped section are respectively hooked on the upper chord parts on the respective sides, and are connected and fixed on the straight rod section through the pressing piece.
Drawings
Fig. 1 is a schematic structural view of a truss unit constituting a beret beam.
Fig. 2 is a schematic structural diagram of a support for erecting the support after the distribution beam is laid on the beret beam.
Fig. 3 is a schematic structural view of a connecting device of a beret beam and a distribution beam in embodiment 1.
Fig. 4 is a schematic structural view of the connecting device of the beret beam and the distribution beam in fig. 3 in application.
Fig. 5 is a schematic view of the construction of the pressing member of fig. 3.
Fig. 6 is a schematic structural view of a connecting device of a beret beam and a distribution beam in embodiment 2.
Fig. 7 is a schematic structural view of the connecting device for a plurality of beret beams and distribution beams in fig. 6.
Fig. 8 is a schematic structural view of the single beret beam and distribution beam connecting device in fig. 6.
Fig. 9 is a schematic structural view of a connecting device of a beret beam and a distribution beam according to an embodiment of example 3.
Fig. 10 is a schematic structural view of another embodiment of the connecting device of the beret beam and the distribution beam in example 3.
Fig. 11 is a schematic structural view of the connecting device of the beret beam and the distribution beam in fig. 10 in application.
Fig. 12 is a schematic structural view of the beret beam and distributor beam connection device in example 4.
Fig. 13 is a schematic view showing a structure of a double fixing type clip connecting a fixing rod and a pressing member.
Fig. 14 is a schematic view showing the structure of the connecting device of the beret beam and the distributor beam when the fixing rod and the pressing member are connected by the double fixing type clamps.
Fig. 15 is a schematic view of the double-fastened clip of fig. 13.
Fig. 16 is a schematic structural view of a connecting device of a bailey beam and a distributor beam using a dual-channel type clamp to connect telescopic connecting rods.
Fig. 17 is a schematic view of the dual channel clamp of fig. 16.
Fig. 18 is a schematic structural view of the coupling device for a plurality of beret beams and a distribution beam of fig. 12.
Fig. 19 is a partially enlarged view of a portion I in fig. 18.
The labels in the figure are: 1-press part, 101-locking hole, 2-fixing rod, 21-straight rod section, 211-connecting thread, 21 a-first straight rod section, 21 b-second straight rod section, 22-hook section, 221-first hook section, 222-straight section part, 223-second hook section, 23-reverse hook section, 231-reverse straight section part, 232-reverse hook section, 3-double fixed hoop, 31-bent rod part, 31 a-first hoop bend, 31 b-second hoop bend, 32-locking piece, 32 a-tile hoop, 4-connecting rod, 41-first connecting rod, 42-second connecting rod, 5-double channel hoop, 51-locking rod, 52-single buckle, 52 a-clamping piece, 6-Bailey beam, 6 a-truss unit, 61-upper chord, 62-lower chord, 63-vertical support bar, 64-upper diagonal support bar, 65-lower diagonal support bar, 66-male joint, 67-female joint, 7-distribution beam, 8-bracket, H-upper chord and vertical support bar joint and distribution beam connection position, G-upper chord and upper diagonal support bar joint and distribution beam connection position, I-upper chord and two upper diagonal support bar joint and distribution beam connection position, J-two adjacent truss units and distribution beam connection position at upper chord splicing joint, 9-nut, 10-buckle, 11-double fixed type clamp, 12-double channel type clamp, 121-locking bar, 122-single type buckle and 122 a-clamp sheet.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and embodiments, so that the objects, technical solutions and advantages of the present invention will be more clearly understood. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Example 1
Fig. 3 shows the structure of the connecting device of the beret beam and the distribution beam according to the exemplary embodiment of the present invention, which comprises a pressing member 1 and two fixing rods 2 arranged side by side, wherein each fixing rod 2 comprises a straight rod section 21 and a hook section 22 connected to one end of the straight rod section 21, the other ends of the two straight rod sections 21 are detachably connected through the pressing member 1, the fixing rod is made of round steel, as shown in fig. 5, the pressing member 1 is a steel plate structure for pressing, the two ends of the steel plate structure are provided with locking holes 101, the straight rod section 21 of the fixing rod 2 is inserted into the locking hole 101 of the pressing member 1, the end of the straight rod section 21 inserted into the pressing member 1 is provided with a connecting thread 211, the pressing member 1 is detachably connected to the two fixing rods 2 through the connecting thread 211 by using a nut 9, and when in use, as seen in combination with the application structure schematic diagrams of fig. 2 and fig. 4, by arranging two fixed rods 2 arranged side by side, wherein the two fixed rods 2 are respectively positioned at two sides of the distribution beam 7, the straight rod sections 21 of the fixed rods 2 respectively extend into the lower part of the upper chord 61 of the Bailey beam 6 from two sides of the distribution beam 7, the upper chord 61 of the Bailey beam 6 is hooked by the hook sections 22 connected with the straight rod sections 21, and the two fixed rods 2 are connected and fixed by adopting the pressing piece 1, so that the integral reinforcement effect of the Bailey beam 6 and the distribution beam 7 is realized, the distribution beam 7 is tightly buckled and pressed on the Bailey beam 6 by the pressing piece 1, the distribution beam 7 is firmly connected with the Bailey beam 6, the problems of collapse, overturn and displacement relative to the Bailey beam 6 of the distribution beam 7 are solved, the Bailey beam and distribution beam connecting device of the embodiment can be used for connecting parts of a plurality of nodes and the distribution beam 7 in the Bailey beam 6 structure, such as a G part and an H part in figure 2, the H position is a node where an upper chord 61 and a vertical support rod 63 in the Bailey beam 6 are supported and connected, the G position is a node where the upper chord 61 and an upper inclined support rod 64 in the Bailey beam 6 are supported and connected, the problem that the connecting position can only be fixed and reinforced from one side in the prior art is solved, the Bailey beam and distribution beam connecting device is simple to operate and convenient to use, the Bailey beam and distribution beam connecting device can be directly stood down to be inserted into gaps between the Bailey beams 6 when standing on the upper portion of the Bailey beam 6, the Bailey beam 6 is hooked and fixed by the hook-shaped section 62, the problem that a horse riding bolt cannot be directly inserted and fixed from the upper portion is solved, the dismounting is also very convenient, two fixing rods 2 can be directly taken out from the upper portion of the Bailey beam 6 after the pressing piece 1 is loosened, meanwhile, the distribution beam 7 or the Bailey beam 6 cannot be damaged, and the Bailey beam can be repeatedly recycled infinitely. In addition, as can be seen from the structure in fig. 4, a press-fit plate-shaped structure is adopted as the pressing piece 1, so that the contact area between the pressing piece 1 and the distribution beam 7 is large, the side overturning of the distribution beam 7 can be effectively prevented, the beret beam 6 and the distribution beam 7 are locked in a range that the hook-shaped section 22, the straight rod section 21 and the pressing piece 1 are buckled and fixed, and are fixedly connected by the nut 9 to form an integral structure, and the beret beam 6 and the distribution beam 7 are not easy to slide and shift relatively.
Example 2
Fig. 6 shows the structure of the connecting device for a beret beam and a distributor beam according to an exemplary embodiment of the present invention, the connecting device for a beret beam and a distributor beam according to this embodiment mainly includes a fixing rod 2 and a pressing member 1, the structures of the fixing rod 2 and the pressing member 1 are the same as those of embodiment 1, and a straight rod section 21 of the fixing rod 2 is also inserted into a locking hole 101 of the pressing member 1 and is locked and fixed by a nut 9, unlike embodiment 1, the connecting device for a beret beam and a distributor beam according to this embodiment further includes a connecting rod 4 for fixedly connecting two fixing rods 2, the connecting rod 4 connects two fixing rods 2 arranged side by side, so that the two fixing rods 2 are connected to form an integral structure through the connecting rod 4 and the pressing member 1, on one hand, the structural integrity and stability of the connecting device for a beret beam and a distributor beam are improved, on the other hand, the assembling is facilitated, when assembling, referring to fig. 7 and 8, the two hook-shaped sections 22 of the connecting device of the beret beam and the distribution beam are directly used for simultaneously hooking the beret beam 6, the two straight rod sections 21 are lifted from the two sides of the distribution beam 7, the pressing piece 1 is used for riding on the distribution beam 7, and the straight rod sections 21 of the two fixed rods 2 pass through the locking holes at the two ends of the pressing piece 1 and are fastened on the connecting threads 211 of the straight rod sections 21 by nuts.
As shown in fig. 8, the tie rod 4 of the present embodiment is connected to the straight rod section 21 of the fixing rods 2, and another embodiment is to connect the tie rod 4 to the ends of the hook-shaped sections 22 of the two fixing rods 2, in this case, as shown in fig. 9, the hook-shaped section more suitable for the beret beam and distributor beam connecting device is a large hook-shaped structure, as shown in fig. 6, the hook-shaped section 22 of this embodiment includes a first hook part 221, a straight section 222, and a second hook part 223, one end of the first hook part 221 is connected to the straight rod section 21, the other end of the first hook part 221 is connected to the straight section 222, the second hook part 223 is connected to the other end of the straight section 222, the first hook part 221 and the second hook part 223 are right-angle hooks, the first hook part 221, the straight section 222, and the second hook part 223 are U-shaped structures, and the straight section 222 is an elongated straight rod structure, in this structural form, as can be seen from fig. 9, the hook portion 22 can be used to hook the upper chord of the beret 6 erected on the distributor beam 7, so as to expand the hooking range, not only both sides of the distributor beam 7 are fixed to the beret 6 integrally, but also the integral overlapping part of the beret 6 is formed into a fixed structure instead of the local overlapping part, so as to further improve the stress condition, and the structural form of the lengthened straight section 222 can also improve the application range of the beret and distributor beam connection device, so as to be applied to the wider part of the upper chord of the beret 6, and in addition, the hook section 22 of the beret and distributor beam connection device of this embodiment has a longer contact length when hooking the beret 6, so that the hook section 22 is more dispersed in stress and is not easily deformed, so as to ensure that the beret and distributor beam connection device can firmly connect and fix the distributor beam 7 and the beret 6, and the connecting rod 4 is also arranged at the end of the second hook portion 223, the stress working condition of the whole reinforcing hook bite of the Bailey beam can be improved, the structural integrity and stability are improved, and meanwhile, the tail end of the hook-shaped section 22 forms an integrated structure, so that the two fixing rods 2 can simultaneously hook the hook bite part tightly, and the synchronous hooking and synchronous stress are ensured.
Example 3
The structure of the connecting device between the beret beam and the distributor beam of this embodiment is further improved on the basis of embodiment 2, as shown in fig. 10-11, the structure of the connecting device between the beret beam and the distributor beam also comprises a pressing member 1 and two fixing rods 2 arranged side by side, wherein each fixing rod 2 comprises a straight rod section 21 and a hook section 22 connected to one end of the straight rod section 21, the other ends of the two straight rod sections 21 are detachably connected through the pressing member 1, the structure of the connecting device between the beret beam and the distributor beam also comprises a connecting rod 4 and a reverse hook section 23, the connecting rod 4 is connected to the straight rod section 21, the reverse hook section 23 is connected to the connecting position of the straight rod section 21 and the hook section 22, but the arrangement direction is opposite to the hook section 22, namely, the connecting rod 4 is in a mirror image arrangement with the hook section 22, the reverse hook section 23 comprises a reverse straight section 231 and a reverse hook section 232 connected to the reverse straight section 231, so that the reverse straight section 231, the reverse bent hook 232 and the straight pole section 21 form a U-shaped structure,
the reverse hook-shaped section 23 is arranged on the mirror image side of the hook-shaped section 22, so that the Bailey beam and distribution beam connecting device can extend into a middle slot of the Bailey beam upper chord 61, the hook-shaped section 22 and the reverse hook-shaped section 23 are respectively hooked on the upper chord 61 parts on the respective sides, the pressing piece 1 is pressed on the distribution beam 7 and is connected with the straight rod section 21 through the nut 9, and the Bailey beam and the distribution beam are integrally fixed and reinforced.
Example 4
The connecting device for the Bailey beam and the distribution beam is a further improvement on the basis of the embodiment 2, and the structure of the connecting device for the Bailey beam and the distribution beam is shown in fig. 12, the connecting device for the Bailey beam and the distribution beam also comprises a pressing part 1 and two fixing rods 2 arranged side by side, each fixing rod 2 comprises a straight rod section 21 and a hook-shaped section 22 connected to one end of the straight rod section 21, the other ends of the two straight rod sections 21 are detachably connected through the pressing part 1, a connecting rod 4 is arranged between the two fixing rods 2, and the connecting rod 4 connects and fixes the two fixing rods 2 arranged side by side, so that the two fixing rods 2 are connected into an integral structure through the connecting rod 4 and the pressing part 1. The beret beam and distribution beam connecting device differs from the beret beam and distribution beam connecting device in embodiment 2 in the following three aspects:
first, the straight rod section 21 in the present application is a telescopic rod structure, as shown in fig. 12, the straight rod section 21 includes a first straight rod section 21a and a second straight rod section 21b, the first straight rod section 21a and the second straight rod section 21b are telescopically connected, specifically, the first straight rod section 21a and the second straight rod section 21b can adopt a socket structure form, the first straight rod section 21a adopts a steel pipe, the second straight rod section 21b adopts a round steel or steel pipe structure, the inner diameter of the first straight rod section 21a is larger than the outer diameter of the second straight rod section 21b, so that the second straight rod section 21b is socket-connected in the first straight rod section 21a and is locked and fixed by a buckle 10, both are preferably assembled in a clearance fit manner, the connecting device of the beret beam and the distribution beam in this structural form can be used in a beret beam and a distribution beam erection working condition of different height ranges, the height of the straight rod section 2 can be adjusted according to a distance between the distribution top beam and the bottom of the beret beam, adaptive installation is adopted. For example, under some working conditions, a layer of upper chord or profile steel structure is added on the upper chord of the beret beam, and then a distribution beam is erected on the added upper chord or profile steel structure, at this time, the beret beam and distribution beam connecting device in the structural form of the embodiment can be adopted to fix, as shown in fig. 18 and 19, a layer of upper chord 61 is arranged on the beret beam 6 in an overlapping manner, a straight rod section telescopic structure is adopted, and the straight rod section 21 is fixed in an extending manner at the overlapping position of the distribution beam 7 and the beret beam 6;
two, connecting rod 4 in this application is retractable structure, as shown in fig. 12, connecting rod 4 includes head rod 41 and second connecting rod 42, head rod 41 and second connecting rod 42 arrange side by side and form overlap joint, head rod 41 and second connecting rod 42 all can follow the axial direction relative formula of connecting rod and remove for the total length of connecting rod 4 that head rod 41 and second connecting rod 42 constitute is adjustable, and in the in-service use process, the overlap joint position of head rod 41 and second connecting rod 42 is adjusted as required length, then adopts staple bolt or ligature area fixed, guarantees can not slide and relative movement between head rod 41 and the second connecting rod 42. According to the embodiment of the present embodiment, it is seen that the first connecting rod 41 and the second connecting rod 42 can also adopt the telescopic structure of the straight rod section 21 as described in the present embodiment, and the telescopic structure of the straight rod section 21 as described above can also adopt the overlapping structure of the connecting rods of the present embodiment to achieve the telescopic structure. In the node of the bailey beam structure, as shown in fig. 18 and 19, when there are more support rods connected to the same section of the upper chord 61 by the distribution beam 7, such as the sections I and J, the bottom of the upper chord 61 at the section I is the junction of the two upper diagonal support rods 64 with different arrangement directions, at this time, the telescopic connecting rod 4 is used, the section J is the junction of the head and the tail of the two sections of truss units, the two vertical support rods 63 are arranged side by side, and it can be seen that a section steel is additionally arranged on the upper part of the upper chord 61 of the bailey beam 6, the common connecting device cannot be fixed and reinforced, and in the embodiment, the length of the straight rod section 21 and the connecting rod 4 can be adjusted by adopting the telescopic structure of the fixing rod 2 and the connecting rod 4, so that the first straight rod section 21a and the second straight rod section 21b are relatively extended and fixed, and the first connecting rod 41 and the second connecting rod 42 are relatively extended and fixed, therefore, the Bailey beam and distribution beam connecting device can fix and reinforce the distribution beam 7 and the Bailey beam 6, so as to ensure the stability and the safety of the bracket 8, and when the first connecting rod 41 and the second connecting rod 42 are fixed, the two-channel type hoop 12 stated later is preferably fixed;
thirdly, the locking hole 101 on the compressing part 1 of this application is the bar hole for two distances of the dead lever 2 who arranges side by side in corresponding regulation novel bailey roof beam and distribution beam connecting device, when connecting rod 4 is retractable structure, after adjusting the overlap joint length of first connecting rod 41 and second connecting rod 42, will compress tightly a 1 and fix on dead lever 2 through anchor assembly (adopt the nut to screw up on connecting thread 211).
The novel connecting device for the Bailey beam and the distribution beam has the advantages of wide application range and multiple application occasions.
In addition, this embodiment has still provided two kinds of connection clamp structures, as follows respectively:
firstly, in order to fix the pressing member 1 and the fixing rod 2 more firmly, the stress condition is better, and the pressing member 1 is effectively protected from being damaged, the preferred embodiment is to use round steel and steel pipe structure as the pressing member 1, when the pressing member 1 adopts round bar structure, the pressing member 1 is preferably fixed on the straight rod section 21 of the fixing rod 1 by using the double fixed type hoop 11 of the embodiment, and the two are tightly fixed by using the double fixed mode, specifically, as shown in fig. 13-15, the double fixed type hoop 11 comprises a bending rod member 111 with a first hoop bend 111a, and further comprises a locking piece 112 with a second tile type hoop 112a, the bending rod member 111 is further provided with a second hoop bend 111b, the second hoop bend 111b is formed by bending the bending rod member 111 at two ends of the first hoop bend 111a again, the locking piece 112 is connected to two second hoop bends 111b ends of the bending rod member 111 through a nut 9, make first staple bolt elbow 111a and second tile formula staple bolt 112a are in on same face of cylinder to adopt two fixed clamps 11 will compress tightly a 1 when fixing at straight-bar section 21, first staple bolt elbow 111a, second staple bolt elbow 111b and second tile formula staple bolt department 112a set up the rubber cushion, improve and compress tightly the friction between 1 and the dead lever 2, and then improve the firm in connection degree, compress tightly 1 and dead lever 2 and also can adopt current pipe strap to fix. When the bailey beam and the distribution beam move under the action of external force, the acting force applied to the fixing rod 2 or the pressing piece 1 can be converted into larger locking force through the double-fixed hoop 11, so that the straight rod section 21 and the pressing piece 1 are connected more firmly;
secondly, when the above-mentioned connecting rod 4 adopts a telescopic structure, it includes a first connecting rod 41 and a second connecting rod 42 arranged side by side, and it can be fixed by a common pipe clamp, and it can also be fixed by a binding band, the preferred embodiment of this embodiment is to fix by a dual channel type clamp 12, as shown in fig. 16 and 17, the dual channel type clamp 12 includes two clamp structures, and fixes the first connecting rod 41 and the second connecting rod 42 at the same time, specifically, the dual channel type clamp 12 includes a locking rod 121 and two single type buckles 122, the two single type buckles 122 are installed on the locking rod 12 side by side, each single type buckle 122 includes two hinged clamp sheets 122a, one end of the two clamp sheets 122 is hinged, the other end is installed on the locking rod 121, and is screwed and locked by nuts 9 on both sides, the two clamp sheets 122a clamp the connecting rod 4 tightly by screwing the nuts 9, and two single buckles 122 are arranged side by side, guarantee respectively to press from both sides and tightly can not slide between fixed first connecting rod 41 and the second connecting rod 42, and then improve bailey roof beam and distribution beam connecting device's whole fastness, are adopting. This double-channel formula clamp 12 also preferably is used for dead lever 2 of this embodiment to be retractable structural style in, when adopting two straightway overlap joint structures, can guarantee the sound construction through the double-channel formula clamp 12 of this embodiment.
The foregoing is merely a detailed description of specific embodiments of the invention and is not intended to limit the invention. Various alterations, modifications and improvements will occur to those skilled in the art without departing from the spirit and scope of the invention.
Claims (10)
1. The utility model provides a bailey beam and distribution beam connecting device suitable for many occasions, its characterized in that, this bailey beam and distribution beam connecting device is including compressing tightly a (1) and two dead levers (2) of arranging side by side, dead lever (2) are including straight-bar section (21) and connect in straight-bar section (21) one end hook-shaped section (22), two the other end of straight-bar section (21) passes through compress tightly a (1) detachable connection, bailey beam and distribution beam connecting device still includes with two connecting rod (4) of dead lever (2) fixed connection, and this connecting rod (4) are retractable structure.
2. Beret beam and distribution beam connection device according to claim 1, characterized in that said straight rod section (21) is a telescopic rod structure.
3. The beret beam and distributor beam connection according to claim 1, wherein the connecting rods (4) comprise first connecting rods (41) and second connecting rods (42) arranged side by side, the first connecting rods (41) and second connecting rods (42) are relatively movable in an axial direction of the connecting rods (4), and the first connecting rods (41) and second connecting rods (42) are fixed by a double-channel type clamp (5).
4. The bailey beam to distributor beam connection of claim 3, wherein said double channel clip (5) comprises a locking bar (51) and two single snaps (52), said two single snaps (52) being mounted side by side on said locking bar (51), each single snap (52) comprising two hinged clip tabs (52a), the other ends of said two clip tabs (52a) being hinged.
5. The beret and distributor beam connection according to claim 1, wherein the hook-shaped section (22) comprises a first hook portion (221), a straight portion (222) and a second hook portion (223), wherein one end of the first hook portion (221) is connected to the straight rod section (21), the other end of the first hook portion (221) is connected to the straight portion (222), and the second hook portion (223) is connected to the other end of the straight portion (222).
6. The beret beam and distributor beam connection according to claim 5, wherein the first hook portion (221), the straight section (222) and the second hook portion (223) are connected in a U-shaped configuration.
7. The beret beam to distributor beam connection of claim 5, wherein said straight section (222) is an elongated straight bar structure.
8. Beret beam and distributor beam connection according to any of claims 1-6, characterized in that the connecting rod (4) is connected at the ends of two hook-shaped sections (22).
9. Beret and distributor beam connection according to any of claims 1-6, characterized in that it further comprises a reversed hook-shaped section (23), said reversed hook-shaped section (23) being connected to the straight rod section (21) in a mirror image of said hook-shaped section (22).
10. The beret beam and distributor beam connection according to any one of claims 1-6, wherein the pressing member (1) is a press-fit plate-like structure with locking holes (101) at both ends.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202111144747.0A CN113914192B (en) | 2021-09-28 | 2021-09-28 | Bailey beam and distribution beam connecting device suitable for multiple occasions |
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| CN202111144747.0A CN113914192B (en) | 2021-09-28 | 2021-09-28 | Bailey beam and distribution beam connecting device suitable for multiple occasions |
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| CN113914192A true CN113914192A (en) | 2022-01-11 |
| CN113914192B CN113914192B (en) | 2024-02-06 |
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