CN217974077U - A assembled mounting platform for bridge rigidity jib - Google Patents

Abstract

The utility model relates to a bridge construction auxiliary device, concretely relates to assembled mounting platform for bridge rigidity jib, include: a connecting frame, a step plate and a protective structure; the connecting frame is an annular structure formed by a plurality of cross rods in a surrounding mode; two adjacent cross bars are connected through fasteners; the connecting frame can be tightly hooped or loosened on the rigid suspender of the bridge by fastening or loosening the fastening piece; each cross rod is provided with an overhanging supporting rod; the step plate is laid on the overhanging support rod and detachably fixed on the overhanging support rod; the vertical setting of protective structure is fixed in the bracing piece of encorbelmenting. The utility model discloses can fix more conveniently or separate the assembly in bridge rigidity jib, need not to punch or weld at bridge rigidity jib outer wall, avoid the damage that causes bridge rigidity jib to improve construction quality, need not drop into extra safeguard measure, ability reuse has promoted the economic benefits of construction, is adapted to high altitude construction.

Description

A assembled mounting platform for bridge rigidity jib

Technical Field

The utility model relates to a bridge construction auxiliary device, especially an assembled mounting platform for bridge rigidity jib.

Background

In the bridge construction, the bridge rigidity jib need be installed to higher position from the bridge floor, the butt joint of bridge rigidity jib and other bridge structures needs the higher position operation at bridge rigidity jib, the method commonly used is to establish mounting platform at the required construction position of bridge rigidity jib, constructor is under construction on mounting platform, realize the butt joint construction of counterpoint installation and bolt butt joint of bridge rigidity jib, current bridge rigidity jib mounting platform generally is welded platform, the construction method of this kind of platform is: shaped steel, steel pipe parts machine-shaping earlier, then weld with the rigidity jib, carry out the platform after the rigidity jib installation and demolish, use hoisting equipment earlier to promote the platform atress during demolish, operating personnel takes and hangs the basket and cut the platform, demolish the platform completely after the cutting is accomplished, carry out polishing, the touch-up paint of welding position at last.

Such a bridge rigid boom mounting platform suffers from the following problems: firstly, a construction platform is directly welded on a rigid suspender, and polishing and paint repairing are needed after the construction platform is disassembled, so that the rigid suspender is damaged, and the surface quality of the rigid suspender is influenced; secondly, the steel cut off in the dismantling process is easy to fall off to injure people or objects on the ground, so that the potential safety hazard is large, and additional safety protection measures are required; thirdly, the materials after being dismantled are damaged due to welding and cutting connection, so that the recycling rate is low.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a: the steel truss rigid suspender for the bridge is difficult to construct due to the fact that the installation height is high, the rigid suspender is difficult to hoist and position, and the splicing plate is difficult to construct, and the traditional rigid suspender installation platform can cause damage to the rigid suspender and has large dismantling risk due to welding, so that the assembly type installation platform for the bridge rigid suspender is provided.

In order to realize the purpose, the utility model discloses a technical scheme be:

an assembly mounting platform for a rigid hanger bar for a bridge, comprising: a connecting frame, a step plate and a protective structure; the connecting frame is of an annular structure formed by a plurality of cross rods in a surrounding mode; two adjacent cross bars are connected through fasteners; fastening or loosening the fastening piece to enable the connecting frame to be fastened or loosened on the rigid bridge hanging rod; each cross rod is provided with an overhanging supporting rod; the step plate is laid on the cantilever support rod and detachably fixed on the cantilever support rod; the protective structure is vertically arranged and fixed on the overhanging supporting rod.

According to the scheme, the annular structure formed by the plurality of cross rods through the surrounding of the plurality of cross rods is arranged, the cross rods are surrounded through the fastening fasteners and are hooped on the outer wall of the rigid bridge suspender, compared with the traditional welding mounting platform, the rigid bridge suspender can be assembled on the rigid bridge suspender more conveniently, the plurality of cross rods are far away from each other through loosening the fastening fasteners and are loosened from the rigid bridge suspender, the mounting platform can be dismounted, holes or welding on the outer wall of the rigid bridge suspender are not needed, damage caused by the rigid bridge suspender is avoided, and therefore construction quality is improved; in addition, the mounting platform can be separated from the rigid hanger rod of the bridge without dismounting the fastener by loosening the fastener, so that the plurality of cross rods are kept in a connected state and integrally move downwards through the crane, a fixed supporting point can be provided for constructors who dismount the mounting platform, and the cross rods are dismounted after the whole connecting frame is lowered to a lower position, so that the potential safety hazard is reduced compared with high-altitude dismounting, an additional protection measure is not required to be input, and the economic benefit of construction is improved; in addition, the transverse rod cannot be damaged during dismantling, so that the dismantled material cannot be damaged, and the reason can be repeated, thereby further improving the economic benefit of the product; every horizontal pole all is equipped with the bracing piece of encorbelmenting, and the bracing piece of encorbelmenting can support step board and fixed protective structure, can provide wideer construction space for the operation on mounting platform to cooperation protective structure's use is adapted to high altitude construction, guarantee construction safety.

As the utility model discloses a preferred scheme, the fastener is round pin axle and bolt, through screwing up or not hard up the bolt makes the link cramp or loosen in bridge rigidity jib.

According to the preferred scheme, the fastening pieces are arranged into the pin shafts and the bolts, the fastening length of the pin shafts is shortened by screwing the bolts, the distance between the two cross rods is reduced, the cross rods are surrounded, the fastening section length of the pin shafts is increased by loosening the bolts, the cross rods are far away, the connecting frame is hooped or loosened on the outer wall of the rigid suspender of the bridge, compared with a traditional welding mounting platform, the connecting frame is assembled or disassembled by fastening or loosening the bolts, the assembling convenience of the mounting platform is further improved, the adjacent cross rods are connected through the pin shafts and the bolts, fixing holes can be designed in the designed cross rods, the connection of the pin shafts and the bolts is realized, the cross rods cannot be damaged by disassembling, the disassembled materials cannot be damaged, the reason can be repeated, and the economic benefit of products is further improved; the size of the pin shaft and the bolt is small during installation, so that the installation platform is convenient to carry by hand and is more suitable for aerial work.

As a preferred aspect of the present invention, the connecting frame includes: the cross bar includes: the first cross bar, the second cross bar and the two connecting cross bars; one end of the connecting cross rod is fixed on the long edge of one side of the first cross rod through the vertical pin shaft, and the other end of the connecting cross rod is connected on the long edge of one side of the second cross rod through the transverse pin shaft through a bolt.

According to the preferred scheme, the first cross rod, the second cross rod and the two connecting cross rods are arranged, so that the four cross rods form a rectangular structure, the connecting frames which can surround the outer side of the rigid suspender of the bridge and are provided with the appropriate number of the cross rods are realized, and the assembly is facilitated; the one end of connecting the horizontal pole is fixed in first horizontal pole through vertical round pin axle, make the link of connecting horizontal pole and first horizontal pole unchangeable for the transverse distance of first horizontal pole, and the connecting horizontal pole other end is through horizontal round pin axle bolted connection in the second horizontal pole, make the link of connecting horizontal pole and second horizontal pole adjustable for the transverse distance of second horizontal pole, thereby can realize through the interval of adjustment second horizontal pole and two connecting horizontal poles that the second horizontal pole is close to or keeps away from bridge rigidity jib, the length of first horizontal pole sets up to match with the outer wall size of bridge rigidity jib in the design, only operate the cramp and the loosen of a pole of second horizontal pole adjustable link, can simplify the ann of link and tear the operation open, further make things convenient for this mounting platform's installation.

As a preferred scheme of the utility model, the second cross bar is provided with at least one group of connecting holes arranged along the long edge of one side thereof; each group of the connecting holes comprises two connecting holes which are symmetrical with the perpendicular bisector of the long side of the second cross bar; the connecting hole is used for the transverse pin shaft to pass through.

This preferred scheme is through seting up a set of or the connecting hole that the long limit was arranged along to the multiunit at the second horizontal pole, make two horizontal round pin axles that are used for connecting two respectively and connect the horizontal pole correspond respectively and are connected with a connecting hole, the interval of two connecting holes sets up according to the thickness of bridge rigidity jib in every group connecting hole, can fix a position the hookup location of two connection horizontal pole ends through the connecting hole, observation and adjustment in the installation have been avoided, further convenient assembly, and, if set up the multiunit connecting hole, the interval of two connection horizontal poles can be adjusted along with every group connecting hole position, thereby make the interval of two connection horizontal poles adjust according to the thickness of bridge rigidity jib, with the bridge rigidity jib that adapts to different thicknesses, further strengthen this mounting platform's universality, improve reuse's possibility, promote economic benefits.

As a preferable scheme of the present invention, the first cross bar is provided with at least one group of first connecting seats arranged along a long side of one side thereof, and each group of the first connecting seats comprises two symmetrical with a perpendicular bisector of the long side of the first cross bar; the first connecting seat is connected to the first cross rod through the bolt and the vertical pin shaft; one end of each of the two connecting cross rods is transversely inserted into the two first connecting seats in each group respectively.

This preferred scheme is through the first connecting seat that sets up at first horizontal pole, two are connected horizontal pole and transversely peg graft and connect in the connecting seat, be cramped and lock in the bridge rigidity jib outside as two horizontal poles, two are connected horizontal poles and transversely are inserted tightly in first connecting seat and can not become flexible, make first connecting seat provide vertical holding power for connecting the horizontal pole, realize supporting the connection, reconnect in first horizontal pole, make and need not support in the installation and connect the horizontal pole and carry out the installation of bolt and vertical round pin axle, and handheld first connecting seat installation is compared in the holding power that handheld connection horizontal pole needs less, and make the installation effortless, especially in high altitude construction, avoid supporting the unstable and the safety problem that drops the existence of connecting horizontal pole power, thereby further improve the security of assembly, further reduce the high altitude construction risk, and, can be through setting up first connecting seat, if first connecting seat extends along the long limit direction of connecting the horizontal pole, then can strengthen the support area of connecting the horizontal pole, and improve the support intensity.

As a preferable scheme of the utility model, the cross rod is provided with a second connecting seat which can be fixed and disassembled; the short-side end of the overhanging supporting rod is detachably fixed on the second connecting seat.

This preferred scheme can dismantle fixed second connecting seat through setting up, and the bracing piece one end of encorbelmenting is followed long limit and is chosen formation bracing piece of encorbelmenting, and the minor face end of the bracing piece of encorbelmenting can be dismantled and be fixed in the second connecting seat, and is similar with the effect of first connecting seat, can strengthen the support intensity of the bracing piece of encorbelmenting promptly, can further conveniently encorbelment the installation of bracing piece again, strengthens the security that this mounting platform used.

As the preferred scheme of the utility model, every the horizontal pole is equipped with at least two the bracing piece of encorbelmenting. This preferred scheme is through setting up two at least bracing pieces of encorbelmenting at every horizontal pole, supports jointly through two bracing pieces of encorbelmenting and lays the step board in its top, can increase the load point that supports the step board, improves the support intensity to the step board, and the stability of further reinforcing support promotes the security performance that this mounting platform used.

As the utility model discloses an optimal scheme, one side that the horizontal pole is close to bridge rigidity jib is equipped with the flexbile cushion, and the flexbile cushion bonds in the horizontal pole. This preferred scheme establishes the flexmat through the one side that is used for butt bridge rigidity jib at the horizontal pole, and the flexmat warp under the horizontal pole butt effect and can increase and the bridge rigidity jib between the frictional force, reinforcing connection stability to, the surface of bridge rigidity jib can be protected to the flexmat, avoids cramping the effort great and wearing and tearing the horizontal pole surface or make the horizontal pole warp, and the flexmat plays the effect of increase frictional force and flexible protection.

As the preferred scheme of the utility model, protective structure includes: the protective fence comprises a protective fence, a plurality of vertical sleeves and an inverted U-shaped rod; the vertical sleeve is fixed on the cantilever supporting rod; two ends of the U-shaped rod are sleeved with the vertical sleeves; the protective fence is connected to the U-shaped rod in a surrounding mode.

This preferred scheme is through setting up the protection rail, the protective structure of a plurality of vertical sleeves and the volume of invering U type pole, make protective structure form and to make things convenient for dismouting and fixed structure, the bracing piece of encorbelmenting is fixed to vertical sleeve, can install just before the bridge rigidity jib at the bracing piece of encorbelmenting, and after bracing piece and step are accomplished to encorbelment, the U type pole that the rethread cup jointed the inversion in vertical sleeve, the installation that makes the mount is very convenient, the U type pole protection upper portion of invering is used for the backstop protection, the lower part is used for fixing, protection stability is strong, further through enclosing the protection rail and connect in U type pole, make constructor construction and operation safer on the step, the security performance that this mounting platform used has further been improved.

As the preferred scheme of the utility model, an assembled mounting platform for bridge rigidity jib still include: a ladder cage; the ladder cage is detachably fixed on the connecting frame, and the ladder cage is vertically hung along the rigid bridge suspender. This preferred scheme is through setting up the ladder cage, and the installer accessible hangs the ladder cage of establishing from the mounting platform upper and lower, in the construction of demolising mounting platform, the ladder cage provides the strong point of standing for the installer, further easy to assemble and demolish the construction.

To sum up, owing to adopted above-mentioned technical scheme, the beneficial effects of the utility model are that:

1. the installation platform is dismantled without punching or welding on the outer wall of the rigid suspender of the bridge, so that the rigid suspender of the bridge can be prevented from being damaged, and the construction quality is improved;

2. the mounting platform can be separated from the rigid suspender of the bridge without dismounting the fastener by loosening the fastener, and the cross rod is dismounted after the whole connecting frame is lowered to a lower position, so that the potential safety hazard is reduced compared with high-altitude dismounting, additional protection measures are not required to be invested, the cross rod cannot be damaged by dismounting, the mounting platform can be repeatedly reason, and the economic benefit of construction is improved;

3. every horizontal pole all is equipped with the bracing piece of encorbelmenting, and the bracing piece of encorbelmenting can support step board and fixed protective structure, can provide wideer construction space for the operation on mounting platform to cooperation protective structure's use is adapted to high altitude construction, guarantee construction safety.

Drawings

Fig. 1 is a schematic structural diagram of the present invention;

fig. 2 is a schematic structural view of the connection frame of the present invention;

FIG. 3 is an enlarged view of a portion of coil A of FIG. 2;

FIG. 4 is an enlarged view of a portion of coil B of FIG. 2;

an icon: 0-a bridge rigid boom; 1-a connecting frame; 10-a fastener; 11-a cross-bar; 111-a first cross-bar; 112-a second cross bar; 113-connecting cross bar; 114-connecting hole; 115-a first connection mount; 116-a second connection receptacle; 12-a pin shaft; 13-a bolt; 14-cantilever support rods; 2-step plate; 3-a protective structure; 31-a guard rail; 32-a vertical sleeve; a 33-U shaped rod; 5-ladder cage.

Detailed Description

The present invention will be described in detail with reference to the accompanying drawings.

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.

Example 1

Referring to fig. 1-2, the present invention provides an assembly type mounting platform for a rigid hanger rod of a bridge, comprising: a connecting frame 1, a step plate 2 and a protective structure 3; the connecting frame 1 is an annular structure formed by a plurality of cross rods 11; two adjacent cross bars 11 are connected through fasteners 10; the connecting frame 1 can be fastened or loosened on the rigid bridge suspender 0 by fastening or loosening the fastener 10; each cross rod 11 is provided with an overhanging support rod 14; the step plate 2 is laid on the cantilever support rod 14, and the step plate 2 is detachably fixed on the cantilever support rod 14; the protective structure 3 is vertically arranged and fixed on the cantilever support rod 14.

The utility model discloses by a plurality of horizontal poles 11 through round pin axle 12 and 13 connection formation of bolt can the butt in the staple bolt of bridge rigidity jib 0, horizontal pole 11 has support intensity, the length of horizontal pole 11 can be according to the design of the external diameter adjustment of bridge rigidity jib 0, the quantity of horizontal pole 11 also can be according to the preferred design of shape of bridge rigidity jib 0 outer wall, for example the outer wall of bridge rigidity jib 0 is the column of four sides chamfer, then preferred set up horizontal pole 11 four, still can be preferred pass through round pin axle 12 by four 80mm long channel-section steels, bolt 13 connects, also can be preferred set up a plurality of horizontal poles 11 respectively as shown in fig. 2, include: a first crossbar 111, two connecting crossbars 113 and a second crossbar 112; one end of each of the two connecting cross rods 113 is fixed on the long side of one side of the first cross rod 111 through two vertical pin shafts 12, and the other end of each of the two connecting cross rods 113 is connected on the long side of one side of the second cross rod 112 through two horizontal pin shafts 12 and bolts 13, so that a four-side hoop structure hooped on the outer wall of the rigid suspender 0 of the bridge can be formed.

It should be noted that the fastening member 10 is a member capable of fastening or loosening the two adjacent cross bars 11, such as a bolt connection, and the present invention preferably provides that the fastening member 10 is a pin 12 and a bolt 13, and the connecting frame 1 is tightened or loosened on the rigid suspension rod 0 of the bridge by tightening or loosening the bolt 13.

The hoop structure that four crossbars 11 can form needs to connect two adjacent crossbars 11 through pins 12 and bolts 13, and also needs to enable the crossbars 11 to move relatively and adjust the spacing, so that through holes can be formed in the crossbars 11, the pins 12 are inserted into the through holes, nuts and nuts are connected to the two ends of the pins 12, and the bolts 13 can be matched with the pins 12 to fasten the crossbars 11 or loosen the crossbars 11 to change the spacing of the crossbars 11, preferably, as shown in fig. 2-3, the second crossbar 112 is provided with at least one group of connecting holes 114 arranged along the long side of one side thereof; each group of the connection holes 114 includes two symmetrical about a middle perpendicular line of the long side of the second rail 112; the connecting hole 114 is used for the transverse pin 12 to pass through; that is, the two connecting holes 114 are respectively corresponding to the connecting ends of the two connecting cross bars 113, the two connecting cross bars 113 are respectively connected to the determined positions of the second cross bar 112 through the transverse pin 12, that is, the two connecting cross bars 113 are respectively connected to the one connecting hole 114, the two connecting cross bars 113 can be respectively corresponding to different connecting holes 114 through the multiple connecting holes 114, and the two connecting cross bars 113 can be fixedly connected with each other at different intervals by matching the change of the connecting ends of the connecting cross bars 113 and the first cross bar 111.

Preferably, as shown in fig. 4, the first cross bar 111 has at least one group of first connecting seats 115 arranged along the long side of one side thereof, and each group of first connecting seats 115 includes two symmetrical first connecting seats along the perpendicular line of the long side of the first cross bar 111; the first connecting seat 115 is connected to the first cross bar 111 through a bolt 13 and a vertical pin 12; one end of each of the two connecting crossbars 113 is transversely inserted into each of the two first connecting seats 115; first connection base 115 can be fixed in on first horizontal pole 111 through vertical round pin axle 12 and bolt 13, through set up the vertical hole that the vertical round pin axle 12 of confession of correspondence passes through on first horizontal pole 111, can realize that first connection base 115 can dismantle with first horizontal pole 111 and be connected, and first connection base 115 can supply to connect horizontal pole 113 to peg graft towards the one side of connecting horizontal pole 113, first horizontal pole 111 all equals with the width and the thickness of connecting horizontal pole 113, then first connection base 115 is last, two lower connecting plates, two connecting plates pass the both ends of round pin axle 12 and fasten in first horizontal pole 111 through bolt 13, and the one end of connecting horizontal pole 113 can insert between two connecting plates, and make the one end of connecting horizontal pole 113 support in first connection base 115.

Every staple bolt channel-section steel can support tightly in the outer wall of bridge rigidity jib 0, the realization cramps in bridge rigidity jib 0, what the bracing piece 14 that encorbelments can be preferred uses the rectangular pipe to form and supports the quarter bend, can be used for supporting step board 2, it needs to explain, step board 2 is used for supporting installer or is convenient for the installer operation on mounting platform, step board 2 preferred uses the aluminium alloy step board 2, the bracing piece 14 that encorbelments cooperates 1 formation of link and can cramp in the platform plane in the 0 outside of bridge rigidity jib, supply the workman to walk and the pocket tool is placed.

Each crossbar 11 is provided with an overhanging support bar 14, it being understood that the overhanging support bar 14 can be cantilevered from the crossbar 11 and can be used to support the footplate 2, where it is preferable, as shown in fig. 4, that a second connecting seat 116 is provided detachably fixed to the crossbar 11; the short side end of the cantilever support rod 14 is detachably fixed to the second connecting seat 116. On one hand, the cantilever support rod 14 is in a fixed connection mode capable of being detached from the cross rod 11, so that the mounting and dismounting of components are facilitated, on the other hand, preferably, the second connecting seat 116 can extend along the long side direction of the cantilever support rod 14, and compared with the mode that the cantilever support rod 14 is welded or directly connected to the cross rod 11 through a bolt 13, the support strength of the cross rod 11 and the cantilever support rod 14 can be enhanced, and the use safety of the mounting platform is improved; it is also preferred here that each cross bar 11 is provided with at least two cantilever support bars 14, as shown in fig. 2, for example, by arranging the two cantilever support bars 14 in parallel along the long sides, which is advantageous for stabilizing the supporting footplate 2.

The utility model discloses preferred, one side that horizontal pole 11 is used for butt bridge rigidity jib 0 is equipped with flexible pad 4, and flexible pad 4 bonds in horizontal pole 11, and what flexible pad can be preferred is the thick rubber pad of one deck 4mm, and the rubber pad bonds with staple bolt channel-section steel web, is used for the frictional force between adjustment platform and the bridge rigidity jib 0 firstly, is used for protecting the protection on bridge rigidity jib 0 surface secondly.

Protective structure 3 is used for forming the structure of protection in mounting platform's side direction, further strengthens the security performance that mounting platform used, the utility model discloses can prefer, protective structure 3 includes: a guard rail 31, a plurality of vertical sleeves 32 and an inverted U-shaped bar 33; the vertical sleeve 32 is fixed on the cantilever support rod 14; two ends of the U-shaped rod 33 are sleeved on the vertical sleeve 32; the protective fence 31 is enclosed on a U-shaped rod 33; it should be noted that the protection fence 31 is for enclosing the protection piece that connects on U type pole 33, can be preferred, as shown in fig. 1 for the protection board, or preferred wire netting preparation protection network, vertical sleeve 32 is preferred to be set up as the sleeve that the internal diameter is greater than or equal to the external diameter at U type pole 33 both ends, the utility model discloses it is preferred, as shown in fig. 2, every bracing piece 14 that encorbelments is equipped with two vertical sleeves 32, two vertical sleeves 32 are arranged along the long limit of bracing piece 14 that encorbelments, the accessible is corresponding to the one vertical sleeve 32 of pegging graft on one bracing piece 14 that encorbelments with U type pole 33, the other end of U type pole 33 corresponds the vertical sleeve 32 of pegging graft on another bracing piece 14 that encorbelments, not only realize vertical cup joint and fix the purpose of inverting U type pole 33, and make the butt joint edge of two U type poles 33 encorbelment the long limit direction of bracing piece 14 overlap, make U type pole 33 to the holding power of protection fence 31 (along the long limit direction of encorbelmenting, supported by two U type poles 33 jointly by two U type poles 33, strengthened the support intensity of 0 long limit direction of bridge rigidity, further improved this mounting platform use.

It should be noted that, after the installation platform is fastened to the rigid hanger rod 0 of the bridge, the installation personnel can be transported to the high place by the way of the connection of the lifting rope, and the utility model discloses preferred, as shown in fig. 1, still include: a ladder cage 5; ladder cage 5 can be dismantled and be fixed in link 1, and ladder cage 5 is vertically hung along bridge rigidity jib 0 and is established. Hang and establish to understand and hang to ground for ladder cage 5 can follow bridge rigidity jib 0 vertical downwards, and operating personnel accessible ladder cage 5 scrambles to mounting platform, and is preferred, and ladder cage 5 is vertically arranged by a plurality of steel rings and is connected through vertical connecting piece, and the one side of ladder cage 5 passes through the steelframe and supports in the outer wall of bridge rigidity jib 0.

The using method comprises the following steps: hoisting equipment is adopted to hoist the bridge rigid suspender 0 to 1m-1.5m away from the ground, a platform installation space is reserved, the connecting frame 1 is connected and fastened on the outer wall of the bridge rigid suspender 0 through a pin shaft 12 and a bolt 13, the installation platform needs to be about 1.5m away from the end of the bridge rigid suspender 0, the bolt 13 is screwed to a design torque, so that the connecting frame 1 and the bridge rigid suspender 0 are completely clamped, and then a torque wrench is used for checking whether the torque of the bolt 13 meets the requirement or not; installing a ladder cage 5, and fixing the ladder cage 5 and the bridge rigid suspender 0 by using a steel wire rope every 2 m; integrally hoisting the rigid bridge suspender 0 and the platform to a mounting position; the installation personnel finish the installation of the protection of the step plate 2, the railing and the like from the ladder cage 5 to the platform; after the installation is finished, the steps are repeated to install the installation platform of the rigid suspender 0 of the bridge of the next section; after the whole installations of bridge rigidity jib 0 are accomplished, demolish protection such as step 2 and protective structure 3, use lifting device to promote the platform atress, installer stands on ladder cage 5, and not hard up bolt 13 unloads the power but keeps round pin axle 12 and bolt 13 to make horizontal pole 11 connect, makes the platform part with the outer wall of bridge rigidity jib 0, removes this mounting platform, transfers the platform to ground, demolishs ladder cage 5 and accomplishes the platform and demolish.

The present invention is not limited to the above preferred embodiments, and any modifications, equivalent replacements, and improvements made within the spirit and principle of the present invention should be included within the protection scope of the present invention.

Claims (10)

1. An assembly mounting platform for a rigid hanger bar for a bridge, comprising: the device comprises a connecting frame (1), a step plate (2) and a protective structure (3); the connecting frame (1) is of an annular structure formed by a plurality of cross rods (11) in a surrounding mode; two adjacent cross rods (11) are connected through fasteners (10); fastening or loosening the fastening piece (10) to enable the connecting frame (1) to be fastened or loosened on the bridge rigid suspension rod (0); each cross rod (11) is provided with an overhanging support rod (14); the step plate (2) is laid on the overhanging support rod (14), and the step plate (2) is detachably fixed on the overhanging support rod (14); the protective structure (3) is vertically arranged and fixed on the cantilever supporting rod (14).

2. The fabricated mounting platform for a rigid hanger rod of a bridge according to claim 1, characterized in that the fastening members (10) are a pin (12) and a bolt (13), and the connecting frame (1) is tightened or loosened to the rigid hanger rod (0) of the bridge by tightening or loosening the bolt (13).

3. Fabricated mounting platform for a rigid boom of a bridge according to claim 2, characterized in that said crossbar (11) comprises: a first cross bar (111), a second cross bar (112) and two connecting cross bars (113); one end of the connecting cross rod (113) is fixed on the long edge of one side of the first cross rod (111) through the vertical pin shaft (12), and the other end of the connecting cross rod (113) is connected on the long edge of one side of the second cross rod (112) through the transverse pin shaft (12) in a bolt mode.

4. The fabricated mounting platform for a rigid hanger rod of a bridge according to claim 3, wherein the second cross bar (112) is provided with at least one set of connecting holes (114) arranged along a long side of the second cross bar; each group of the connecting holes (114) comprises two symmetrical connecting holes along the middle perpendicular line of the long side of the second transverse rod (112); the connecting hole (114) is used for the transverse pin shaft (12) to pass through.

5. The fabricated mounting platform for a rigid hanger bar for bridges according to claim 3, wherein said first cross bar (111) is provided with at least one set of first connection seats (115) arranged along one long side thereof, each set of said first connection seats (115) comprising two symmetrical with respect to a median perpendicular to the long side of said first cross bar (111); the first connecting seat (115) is connected to the first cross rod (111) through the bolt (13) and the vertical pin shaft (12); one end of the connecting cross rod (113) is transversely inserted into the first connecting seat (115).

6. Fabricated mounting platform for a rigid boom of a bridge according to claim 5, characterized in that each crossbar (11) is provided with at least two cantilever support bars (14).

7. The fabricated mounting platform for a rigid hanger rod of a bridge according to claim 1, characterized in that the cross bar (11) is provided with a second connecting seat (116) which is detachably fixed; the short-side end of the cantilever supporting rod (14) is detachably fixed on the second connecting seat (116).

8. Fabricated mounting platform for a rigid hanger bar for bridges according to claim 1, characterized in that the side of the cross bar (11) for abutting the rigid hanger bar for bridges (0) is provided with a flexible mat (4), the flexible mat (4) being glued to the cross bar (11).

9. Fabricated mounting platform for a rigid boom of a bridge according to claim 1, characterized in that said protective structure (3) comprises: a protective fence (31), a plurality of vertical sleeves (32) and an inverted U-shaped rod (33); the vertical sleeve (32) is fixed on the cantilever support rod (14); two ends of the U-shaped rod (33) are sleeved on the vertical sleeve (32); the protective fence (31) is connected to the U-shaped rod (33) in a surrounding mode.

10. A fabricated mounting platform for a bridge rigid boom according to any one of claims 1-9, further comprising: a ladder cage (5); ladder cage (5) can be dismantled and be fixed in link (1), ladder cage (5) are followed vertical the hanging of bridge rigidity jib (0) is established.

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