CN212670316U - Boundary beam wing plate support device for concrete pouring of steel-concrete composite beam - Google Patents

Abstract

The utility model relates to a boundary beam pterygoid lamina support device for steel-concrete composite beam concrete placement, its technical scheme main points are: the main support beam is fixedly connected with an extension beam at one side, which is far away from a pouring template, the main support beam is provided with a fixing bolt, the fixing bolt penetrates through the upper surfaces of the main support beam and an I-shaped steel beam simultaneously, each fixing bolt is in threaded connection with a fixing nut which fixes the main support beam and the I-shaped steel beam mutually, and the end part of the extension beam is provided with a stable support assembly which is used for abutting against the side wall of the I-shaped steel beam to stably support the main support beam; the side beam wing plate support device is provided with a plurality of side beam wing plate support devices along the length direction of the I-shaped steel beam. The utility model has the advantages that: boundary beam pterygoid lamina support device simple structure has improved and has built efficiency. Compared with the traditional support form, the space occupation under the bridge is reduced, and the space utilization rate is improved. Simultaneously save a large amount of manpower and materials and financial resources for traditional support form.

Description

Boundary beam wing plate support device for concrete pouring of steel-concrete composite beam

Technical Field

The utility model relates to a bridge building field, concretely relates to boundary beam pterygoid lamina support device for steel-concrete composite beam concrete placement.

Background

The reinforced concrete beam is a beam made of reinforced concrete material. The reinforced concrete beam can be used as an independent beam, can also form an integral beam-plate type floor with a reinforced concrete slab, or form an integral single-layer or multi-layer frame with the reinforced concrete column. The reinforced concrete beam has various forms, is the most basic bearing component in engineering structures such as house buildings, bridge buildings and the like, and has extremely wide application range.

The existing steel-concrete bridge, as shown in fig. 1, includes a plurality of piers 71 erected on the ground; a bent cap 72 is jointly built above the pier column 71; a plurality of I-shaped steel beams 3 are fixed above the cover beam 72, and the I-shaped steel beams 3 are parallel to each other and are arranged at intervals; and a bridge floor 73 is poured above the I-shaped steel beam 3. The worker needs to build a related bracket between the adjacent i-shaped steel beams 3 to support the pouring template 52; it is also necessary to build a brace at the edge beam flanges to support the casting form 52.

Before pouring the bridge deck avris position, the staff need build the scaffold frame below the bridge deck, extend to the position that the casting die is located and support the casting die up to the top of scaffold frame. But influenced by the height of the bridge deck and the length of the bridge body, a scaffold with a wider range needs to be built, so that the time and the labor are consumed, and the efficiency is low.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, one of the purposes of the utility model is to provide a boundary beam pterygoid lamina support device for steel-concrete composite beam concrete placement, its advantage is boundary beam pterygoid lamina support device simple structure, has improved and has built efficiency.

The above technical purpose of the present invention can be achieved by the following technical solutions:

a boundary beam wing plate support device for concrete pouring of a steel-concrete composite beam comprises a main supporting beam for supporting a pouring template, wherein one side, away from the pouring template, of the main supporting beam is fixedly connected with an extension beam, a fixing bolt is arranged on the main supporting beam and penetrates through the upper surfaces of the main supporting beam and an I-shaped steel beam simultaneously, a fixing nut for fixing the main supporting beam and the I-shaped steel beam to each other is connected to each fixing bolt in a threaded mode, and a stable supporting assembly for abutting against the side wall of the I-shaped steel beam to stably support the main supporting beam is arranged at the end portion of the extension beam; the side beam wing plate support device is provided with a plurality of side beam wing plate support devices along the length direction of the I-shaped steel beam.

By adopting the technical scheme, a worker firstly hangs the main supporting beam by mutually screwing the fixing bolt and the fixing nut, and then adjusts the stable supporting component to lean against the side wall of the I-shaped steel beam, so that the main supporting beam is supported in an auxiliary manner, and the supporting stability of the main supporting beam is guaranteed; then the staff can place the template of pouring in the top of main tributary supporting beam, through the support of a plurality of main tributary supporting beams to the template of pouring, ensures that the template of pouring is placed stably. In the process, workers only need to operate at the boundary beam, and do not need to build a high-rise scaffold below the boundary beam, so that time and labor are wasted; and then improved boundary beam pterygoid lamina support device's efficiency of setting up greatly, for traditional support form reduce the occupation of underbridge space, improved space utilization, establish not only the waste of having saved the material of setting up for the cover of scaffold frame moreover, more economical and practical.

The present invention may be further configured in a preferred embodiment as: the stable supporting component comprises a sleeve fixedly connected with the end part of the extension beam, the axis of the sleeve is coplanar with the axis of the main supporting beam, the port of the sleeve faces towards the I-shaped steel beam, an internal thread is arranged in the sleeve, the sleeve is internally threaded with a first screw rod, and the first screw rod faces towards one end of the I-shaped steel beam and is fixedly connected with a supporting plate.

By adopting the technical scheme, after the fixing bolt and the fixing nut are mutually screwed and matched, a worker can screw the first screw rod to enable the end face of the supporting plate to be close to the side wall of the working steel beam, and under the action of gravity of the main supporting beam, the supporting plate is close to the side wall of the I-shaped steel beam, so that the swinging of the main supporting beam is limited, and the fixing stability of the main supporting beam is improved. And the stable supporting component has simple structure, is convenient to operate, improves the operating efficiency and is convenient to maintain.

The present invention may be further configured in a preferred embodiment as: an auxiliary supporting beam is arranged between the main supporting beam and the extension beam, and two ends of the auxiliary supporting beam are respectively and fixedly connected with the main supporting beam and the extension beam, so that the main supporting beam, the extension beam and the auxiliary supporting beam form a triangular supporting structure.

By adopting the technical scheme, the auxiliary supporting beam plays a role of auxiliary supporting for the main supporting beam, the bearing capacity of the main supporting beam is improved, and the service life of the boundary beam wing plate support device is prolonged.

The present invention may be further configured in a preferred embodiment as: a plurality of square timbers are placed on the main supporting beam, and the square timbers are simultaneously placed on the main supporting beam of the adjacent side beam wing plate bracket mounting device.

Through adopting above-mentioned technical scheme, the setting of square timber has improved and has pour the area of contact of template for pour the template atress more even, improved the security of concreting in-process, the square timber quality is light moreover, and toughness is strong, under the prerequisite that provides the undefined support, can not cause extra burden to only supporting beam again.

The present invention may be further configured in a preferred embodiment as: and the screw rod is fixedly connected with a rotation assisting nut.

By adopting the technical scheme, the arrangement of the rotation assisting nut reduces the direct contact of the hand to the first screw rod, thereby reducing the friction of the hand when the first screw rod is screwed; and the arrangement of the rotation-assisting nut increases the contact area between the hand and the first screw, so that the screwing efficiency of the first screw is improved.

The present invention may be further configured in a preferred embodiment as: the fixing nut is located above the I-shaped steel beam, and the fixing bolt is located at the position, corresponding to the end portion of the fixing nut, of the separation cap which covers the fixing nut.

By adopting the technical scheme, because personnel all operate above the I-shaped steel beam, the fixing nut is arranged above the I-shaped steel beam, so that the operation convenience is improved, the fixing angle of the main supporting beam can be adjusted by screwing the fixing nut, and the placing stability of the pouring template is improved. The arrangement of the separation cap has the advantages that the thread of the fixing bolt is protected, after concrete pouring is conducted, the worker can twist the fixing bolt below the side beam under the protection of the separation cap, the fixing bolt is separated from the fixing nut, and then the side beam wing plate support device is detached.

The present invention may be further configured in a preferred embodiment as: the main supporting beam is located and keeps away from the tip rigid coupling of extension beam and has a pillar, and the pillar is located the main supporting beam and sets up towards the one side of pouring the template.

Through adopting above-mentioned technical scheme, the setting of pillar has played limiting displacement to placing of square timber, has restricted the square timber and has pour the slip of template on the main tributary supporting beam, has reduced the potential safety hazard. And the length of branch is limited, when boundary beam pterygoid lamina support device dismantles the back, because branch length is limited, the accomodating of boundary beam pterygoid lamina support device.

The present invention may be further configured in a preferred embodiment as: a fence mechanism is arranged between the adjacent edge beam wing plate support devices, and each fence component comprises an extension pipe and a plurality of fence components, wherein the extension pipes are sleeved on each support column respectively, and the fence components are arranged between the adjacent extension pipes.

Through adopting above-mentioned technical scheme, the setting of rail mechanism has played the guard action to the personnel of I-steel girder top, has reduced the potential safety hazard of staff during operation, and the setting of extension pipe has prolonged the length of strut, has improved the protection scope.

The present invention may be further configured in a preferred embodiment as: the rail subassembly includes the mobile jib and the accessory pipe of coaxial setting, and the coaxial rigid coupling of one end of mobile jib has a second screw rod, set up the internal thread with second screw rod threaded connection on the inner wall of accessory pipe, the mobile jib deviates from the tip of accessory pipe and the tip rigid coupling that the accessory pipe deviates from the mobile jib has one set to establish the sleeve pipe on the extension pipe.

Through adopting above-mentioned technical scheme, because the distance between the adjacent boundary beam pterygoid lamina support device can't accurately be held, so through the threaded connection of second screw rod and auxiliary pipe, can adjust the overall length of mobile jib and auxiliary rod to the sleeve pipe of mobile jib, auxiliary pipe tip can overlap and establish on the extension pipe that corresponds, the effect is established in enclosing of guarantee rail subassembly.

The present invention may be further configured in a preferred embodiment as: one side of the supporting plate facing the I-shaped steel beam is bonded with a flexible pad.

By adopting the technical scheme, the protective paint is sprayed on the outer wall of the I-shaped steel beam, the supporting plate is in direct contact with the I-shaped steel beam, and the side wall of the I-shaped steel beam is subjected to sliding loss, so that the supporting plate is prevented from being in direct contact with the side wall of the I-shaped steel beam due to the arrangement of the flexible pad, and the protective layer of the I-shaped steel beam is protected.

To sum up, the utility model discloses following beneficial effect has:

firstly, workers can screw the main support beam through the threads of the fixing bolt and the fixing nut to initially hoist the main support beam, and then the support plate is abutted against the side wall of the I-shaped steel beam through the threaded connection of the first screw and the sleeve, so that the stable erection of the side beam wing plate support device is realized, the operation of the whole process is simple, and the erection is efficient;

space is saved, the utilization rate of the lower space is improved, the occupied space under the bridge is reduced compared with the traditional support form, the space utilization rate is improved, and the deflection of concrete is also ensured;

the boundary beam wing plate support device is simple in structure, greatly reduces scaffold consumption by being matched with a traditional building mode, saves material waste and is economical and practical;

fourthly, the protective effect on personnel is good. Through the construction of the fence component, the effect of limiting and protecting personnel is achieved, and the potential safety hazard during working is reduced.

Drawings

FIG. 1 is a schematic diagram showing a bridge structure in the prior art;

FIG. 2 is a schematic view showing the overall structure of the flange bracket device of the side sill;

FIG. 3 is a schematic structural view embodying a stabilizing support assembly;

FIG. 4 is an enlarged detail at A in FIG. 3, and shows the flexible mat;

FIG. 5 is a schematic view showing the positional relationship between the fixing bolt and the fixing nut;

fig. 6 is a schematic view showing the overall structure of the fence mechanism.

In the figure, 11, a main support beam; 12. extending the beam; 13. a fixed beam; 14. an auxiliary support beam; 15. a pillar; 21. fixing the bolt; 22. fixing a nut; 23. a partition cap; 3. an I-beam; 31. an upper flat beam; 32. a lower flat beam; 33. a stringer; 4. a stabilizing support assembly; 41. a sleeve; 42. a first screw; 43. a support plate; 44. a flexible pad; 45. a rotation-assisted nut; 51. square wood; 52. pouring a template; 6. a fence mechanism; 61. an extension tube; 62. a fence assembly; 621. a main rod; 622. a secondary pipe; 623. a second screw; 624. a sleeve; 71. pier studs; 72. a capping beam; 73. and (5) bridge deck.

Detailed Description

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

A boundary beam wing plate bracket device for concrete pouring of a steel-concrete composite beam is shown in figure 2 and comprises a main supporting beam 11, an extension beam 12, a fixed beam 13 and an auxiliary supporting beam 14; one end of the extension beam 12 is fixedly connected with one end of the main support beam 11, and the central line of the extension beam 12 and the central line of the main support beam 11 form an angle of 100 degrees; the fixed beam 13 is fixed at the joint of the main support beam 11 and the extension beam 12 and extends in the direction away from the main support beam 11, and the fixed beam 13 is perpendicular to the extension beam 12. The auxiliary support beam 14 is disposed between the main support and the extension beam 12, and both ends of the auxiliary support beam 14 are fixedly connected with the ends of the main support and the extension beam 12, respectively, so that a stable triangular support structure is formed between the auxiliary support beam 14, the extension beam 12 and the main support; the fixing beam 13 is provided with a fixing bolt 21 (shown in fig. 5) and a fixing nut 22 (shown in fig. 5) which are connected with the i-steel beam 3. The end part of the extension beam 12 fixedly connected with the auxiliary support beam 14 is also provided with a stable support component 4 of the auxiliary support column support beam.

As shown in fig. 2 and 5, the i-section steel beam 3 includes an upper flat beam 31 and a lower flat beam 32 parallel to each other, and a longitudinal beam 33 fixedly connected between the upper flat beam 31 and the lower flat beam 32. The longitudinal beams 33 are perpendicular to the upper and lower flat beams 31 and 32, respectively. The fixing bolt 21 simultaneously penetrates the fixing beam 13 and the upper flat beam 31 from below the fixing beam 13, and then the main support beam 11 is suspended by the screw connection of the fixing nut 22 and the fixing bolt 21. Because the worker is positioned above the I-shaped steel beam 3, the worker can conveniently adjust the hanging height of the main supporting beam 11 by screwing the fixing nut 22, so that the main supporting beam 11 of the adjacent side beam wing plate bracket device is kept flush.

As shown in fig. 3, the stabilizing support assembly 4 includes a sleeve 41 fixedly connected to the end of the extension beam 12 away from the main support beam 11, the connection between the extension beam 12 and the sleeve 41 is located on the outer circumferential surface of the sleeve 41, and the central line of the extension beam 12 is perpendicular to the axis of the sleeve 41; a first screw 42 is connected to the sleeve 41 through an internal thread, and a supporting plate 43 is fixedly connected to the end of the first screw 42 facing the i-beam 3, so that the center line of the first screw 42 is perpendicular to the plane of the supporting plate 43. When the main support beam 11 is hung on the fixing bolt 21, the supporting plate 43 moves towards the longitudinal beam 33 by adjusting the screwing of the first screw 42, and then the supporting plate 43 and the side wall of the longitudinal beam 33 lean against each other, so that the supporting plate 43 plays a role of auxiliary support for the main support beam 11, and because the supporting plate 43 and the longitudinal beam 33 lean against each other, the supporting plate 43 is stressed more uniformly, and the supporting plate 43 has a certain area, thereby limiting the free swing of the main support beam 11, and ensuring the supporting stability of the main support beam 11. And the staff only needs to realize the support to main tributary supporting beam 11 through the rotation of first screw rod 42, easy operation, builds efficiently, has reduced the occupation in underbridge space for traditional support form, has not only saved the material waste, has still improved space utilization, can not influence the amount of deflection after the concrete placement in addition.

As shown in fig. 3 and 4, in order to reduce the abrasion of the supporting plates 43 to the side walls of the longitudinal beam 33, a flexible pad 44 made of rubber is further fixedly connected to one side of each supporting plate 43 facing the longitudinal beam 33, so that the supporting plates 43 are replaced by direct contact with the side walls of the longitudinal beam 33, the abrasion of the supporting plates 43 to the longitudinal beam 33 is reduced, and the flexible deformation of the flexible pad 44 fills up the gap between the supporting plates 43 and the longitudinal beam 33, thereby ensuring the stability of erecting the supporting plates 43.

As shown in fig. 3, in order to facilitate the worker to screw the first screw rod 42, a rotation-assisting nut 45 is coaxially welded to the first screw rod 42. Because the arrangement of the rotation assisting nut 45 replaces the direct contact of the hand and the external thread of the first screw 42, the possibility of hand abrasion is reduced, the contact area between the hand and the first screw 42 is increased through the direct contact of the hand and the rotation assisting nut 45, the convenience of screwing the first screw 42 is further ensured, and the erection efficiency of the main supporting beam 11 is improved.

As shown in fig. 2, square timbers 51 and a casting formwork 52 are sequentially placed on the main support beam 11. The square timbers 51 are provided in plurality, and the square timbers 51 are arranged in parallel at intervals. Because the square timber 51 has the characteristics of light weight and high toughness, the arrangement of the square timber 51 reduces the supporting pressure on the main supporting beam 11, and under the multiple support of the square timber 51, the stability of the support of the pouring template 52 is improved, so that the stress of the pouring template 52 is more uniform. Under the action of the gravity of the square timber 51 and the pouring template 52, the support plate 43 is driven to press towards the longitudinal beam 33, the support plate 43 is attached to the side wall of the longitudinal beam 33 more tightly, and the fixing stability of the main support beam 11 is guaranteed.

As shown in fig. 3, to reduce the potential safety hazard caused by sliding of the form 52 due to movement of personnel over the form 52. Each main support beam 11 is further provided with a strut 15 for limiting the square timber 51 and the pouring template 52 at the end part which is far away from the end part fixed with the extension beam 12, the strut 15 is fixed above the main support beam 11, and the central line of the strut 15 is parallel to the central line of the extension beam 12. Through the spacing of pillar 15, restricted square timber 51 and the sliding distance of pouring template 52, ensured the stability that square timber 51 and pouring template 52 placed.

As shown in fig. 6, to improve the safety of personnel walking over the casting form 52. The post 15 is also provided with a fence mechanism 6 for protecting persons. The rail mechanism 6 includes extension pipes 61 respectively fitted over each of the support posts 15, and a rail member 62 provided between adjacent two of the extension pipes 61. The inner wall diameter of the extension pipe 61 is equal to the outer wall diameter of the support post 15, thereby restricting the shaking of the extension pipe 61 and the support post 15 after they are inserted into each other. The stability of the fixation of the fence mechanism 6 is improved.

As shown in fig. 6, the rail assembly 62 includes a main rod 621 and a sub-pipe 622 coaxially disposed, one end of the main rod 621 is coaxially and fixedly connected with a second screw 623, the length of the second screw 623 is smaller than that of the sub-pipe 622, and an inner wall of the sub-pipe 622 is provided with an inner thread in threaded fit with the second screw 623, so as to ensure the threaded connection between the second screw 623 and the sub-pipe 622, and further achieve the distance adjustment function between the main rod 621 and the sub-pipe 622. The end of the main pipe 621 facing away from the auxiliary pipe 622, and the end of the auxiliary pipe 622 facing away from the main pipe 621 are fixedly connected with a sleeve 624. When the ends of the main pipe 621 and the sub pipe 622 abut against each other, the axes of the two sleeves 624 are parallel to each other. The staff can adjust the interval between mobile jib 621 and the auxiliary pipe 622 according to the interval between two adjacent extension pipes 61 to satisfy different situation demands. Each extension pipe 61 is sleeved with two groups of rail assemblies 62 for fixing with two adjacent extension pipes 61, so that the rail assemblies 62 in the same group are arranged at intervals.

As shown in fig. 5, the end of the fixing bolt 21 screwed with the fixing nut 22 is covered with a separating cap 23 for covering the external thread of the fixing bolt 21, when concrete is poured and cured, and an operator needs to dismantle the boundary beam wing plate support device, the normal rotation of the fixing bolt 21 and the fixing nut 22 is ensured due to the protection of the separating cap 23 on the fixing bolt 21 and the fixing nut 22, and the operator only needs to screw the fixing bolt 21 below the fixing beam 13, so that the fixing bolt 21 and the fixing nut 22 can be separated from each other, and the dismounting efficiency of the boundary beam wing plate support device is greatly improved.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims (10)

1. The utility model provides a boundary beam pterygoid lamina support device for steel-concrete composite beam concrete placement which characterized in that: the supporting device comprises a main supporting beam (11) used for supporting a pouring template (52), one side, away from the pouring template (52), of the main supporting beam (11) is fixedly connected with an extension beam (12), a fixing bolt (21) is arranged on the main supporting beam (11), the fixing bolt (21) penetrates through the upper surfaces of the main supporting beam (11) and an I-shaped steel beam (3) simultaneously, a fixing nut (22) used for fixing the main supporting beam (11) and the I-shaped steel beam (3) mutually is connected to each fixing bolt (21) in a threaded mode, and a stable supporting component (4) used for abutting against the side wall of the I-shaped steel beam (3) to stably support the main supporting beam (11) is arranged at the end portion of the extension beam (12); the boundary beam wing plate support device is provided with a plurality of along the length direction of the I-shaped steel beam (3).

2. The boundary beam wing plate bracket device for concrete pouring of the steel-concrete composite beam as claimed in claim 1, wherein: stabilize supporting component (4) including with extension roof beam (12) tip fixed connection's sleeve (41), the axis of sleeve (41) and the axis coplane setting of main tributary supporting beam (11) to make sleeve (41) port towards I-steel roof beam (3), seted up the internal thread in sleeve (41), sleeve (41) internal thread connection has a first screw rod (42), first screw rod (42) have a backup pad (43) towards the one end rigid coupling of I-steel roof beam (3).

3. The boundary beam wing plate bracket device for concrete pouring of the steel-concrete composite beam as claimed in claim 1, wherein: an auxiliary supporting beam (14) is arranged between the main supporting beam (11) and the extension beam (12), and two ends of the auxiliary supporting beam (14) are respectively fixedly connected with the main supporting beam (11) and the extension beam (12), so that the main supporting beam (11), the extension beam (12) and the auxiliary supporting beam (14) form a triangular supporting structure.

4. The boundary beam wing plate bracket device for concrete pouring of the steel-concrete composite beam as claimed in claim 1, wherein: a plurality of square timbers (51) are arranged on the main supporting beam (11), and the square timbers (51) are simultaneously arranged on the main supporting beam (11) of the adjacent side beam wing plate bracket mounting device.

5. The boundary beam wing plate bracket device for concrete pouring of the steel-concrete composite beam as claimed in claim 2, wherein: and a rotation assisting nut (45) is fixed on the screw rod.

6. The boundary beam wing plate bracket device for concrete pouring of the steel-concrete composite beam as claimed in claim 1, wherein: the fixing nut (22) is located above the I-shaped steel beam (3), and the end portion, located at the fixing nut (22), of the fixing bolt (21) is provided with a separation cap (23) covering the fixing nut (22).

7. The boundary beam wing plate bracket device for concrete pouring of the steel-concrete composite beam as claimed in claim 1, wherein: the main supporting beam (11) is fixedly connected with a strut (15) at the end part far away from the extension beam (12), and the strut (15) is arranged at one side of the main supporting beam (11) facing the pouring template (52).

8. The boundary beam wing plate bracket device for concrete pouring of the steel-concrete composite beam as claimed in claim 7, wherein: be provided with rail mechanism (6) between the adjacent boundary beam pterygoid lamina support device, rail subassembly (62) are established extension pipe (61) on every pillar (15) including the cover respectively to and set up rail subassembly (62) between adjacent extension pipe (61).

9. The boundary beam wing plate bracket device for concrete pouring of the steel-concrete composite beam as claimed in claim 8, wherein: rail subassembly (62) are including mobile jib (621) and subpipe (622) of coaxial setting, and the coaxial rigid coupling of one end of mobile jib (621) has a second screw rod (623), set up the internal thread with second screw rod (623) threaded connection on the inner wall of subpipe (622), the tip that mobile jib (621) deviate from subpipe (622) and subpipe (622) deviate from mobile jib (621) the tip rigid coupling have one set sleeve pipe (624) of establishing on extension pipe (61).

10. The boundary beam wing plate bracket device for concrete pouring of the steel-concrete composite beam as claimed in claim 2, wherein: one side of the supporting plate (43) facing the I-shaped steel beam (3) is bonded with a flexible pad (44).

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