Bracket platform for bridge construction

Abstract

The utility model relates to the technical field of bridge construction equipment, in particular to a support platform for bridge construction, which comprises four adjustable cantilever supports, and the four adjustable cantilever supports are fixed together through screws in pairs; the adjustable cantilever support comprises an I-shaped supporting rod, the outer side face of the I-shaped supporting rod is connected with a sliding block in a sliding mode, the lower surface of the sliding block is connected with a bottom mounting plate through an inclined supporting rod, a top mounting plate is arranged at the end of the I-shaped supporting rod, and the two ends of the inclined supporting rod are rotationally connected with the sliding block and the bottom mounting plate through positioning hinge supports respectively. The support platform for bridge construction can be folded for transportation and can be adjusted and installed according to the site construction environment, the installation and construction efficiency of the support platform is effectively improved, meanwhile, a plurality of cantilever type supports can be assembled on the ground to form the complete support platform, then overall hoisting is conducted, the installation difficulty of the support platform is lowered, and the construction efficiency of the support platform is improved. And the installation efficiency can be improved.

Description

TECHNICAL FIELD

[0001] The application relates to the technical field of bridge construction equipment, in particular to a support platform for bridge construction. BACKGROUND

[0002] The cantilever support is a common support form in bridge engineering, and is mainly applied to the construction of cast-in-situ beam bridge surfaces.

[0003] In the cantilever support installation and construction process, the bridge piers are high, and cantilever supports need to be installed on both sides of the bridge piers, so workers need to use hoisting equipment to hoist the cantilever supports to the high-positioned screw connecting columns in sequence, and then the cantilever supports are connected and installed on the screw connecting columns in sequence, so that the installation efficiency is low. CONTENT OF THE UTILITY MODEL

[0004] The application provides a support platform for bridge construction, which can be folded and transported and can be adjusted according to the construction environment, so that the installation and construction efficiency of the support platform is effectively improved, and the problem in the background art can be solved.

[0005] To achieve the above object, the application provides the following technical scheme: a support platform for bridge construction, comprising four adjustable cantilever supports, two of the four adjustable cantilever supports are fixed together through a screw; the adjustable cantilever support comprises a I-shaped support rod, a sliding block is slidably connected to the outer side of the I-shaped support rod, a bottom mounting plate is connected to the lower surface of the sliding block through an inclined support rod, a top mounting plate is arranged at the end of the I-shaped support rod, and the two ends of the inclined support rod are rotationally connected to the sliding block and the bottom mounting plate through positioning hinge supports.

[0006] The outer side of the screw is connected with a detachable hoisting device, the hoisting device comprises a hoisting rod, sleeves are sleeved on the left and right ends of the outer side of the hoisting rod, a connecting plate is arranged on the outer side of the sleeve, mounting holes are arranged on the connecting plate, and the screw passes through the mounting holes.

[0007] Preferably, the outer sides of the top mounting plate and the bottom mounting plate are provided with plug-in holes.

[0008] Preferably, the outer side of the I-shaped support rod is provided with a strip-shaped tooth on both sides of the lower end, and the sliding block is threadedly connected with a stud inserting rod I through the threaded holes provided on both ends of the outer side, and the end of the stud inserting rod I is correspondingly provided in the tooth groove of the strip-shaped tooth.

[0009] Preferably, the positioning hinge support comprises a base, a rotating shaft is rotatably connected to the outer side of the base, a positioning gear is sleeved to the outer side of the rotating shaft, a rotating body is fixedly connected to the outer side of the rotating shaft, a headed stud II is threadedly connected to the outer side of the base, and the end of the headed stud II is correspondingly provided in the tooth groove of the positioning gear.

[0010] Preferably, the outer side of the inclined support rod is provided with not less than one ear plate, and the ear plates on the front and rear inclined support rods are connected together through a screw rod, the screw rod and the ear plates are fixed together through a nut, and the number of the screw rods is not less than one.

[0011] Preferably, the outer side of the boom is provided with an ear in the middle.

[0012] Preferably, the sleeve is fixed on the boom through a headed stud I.

[0013] Preferably, the front and rear ends of the screw rod are provided with nuts to prevent the connecting plate from falling off.

[0014] Compared with the prior art, the application has the following beneficial effects:

[0015] 1. The bridge construction support platform can be folded for transportation and can be adjusted and installed according to the on-site construction environment, effectively improving the installation and construction efficiency of the support platform. Meanwhile, the multiple cantilever supports can be assembled into a complete support platform on the ground and then hoisted as a whole, which not only reduces the installation difficulty of the support platform but also improves the installation efficiency.

[0016] 2. The distance between the two front and rear symmetrical adjustable cantilever supports can be adjusted forward and backward according to the specific construction condition. After the position of the adjustable cantilever support is adjusted, it is fixed on the screw rod through a nut. The distance between the top mounting plate and the bottom mounting plate can be adjusted according to the specific construction condition, so that the top mounting plate and the bottom mounting plate can be smoothly fixed on the mounting screw reserved on the pier. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 is a structural schematic view of the application;

[0018] Figure 2 is a front view of the application;

[0019] Figure 3 is a structural schematic view of the positioning hinge support.

[0020] In the figure: 1 boom, 2 lifting lug, 3 top mounting plate, 4 I-shaped support rod, 5 lug plate, 6 inclined support rod, 7 screw rod, 8 strip-shaped tooth, 9 sliding block, 10 stud inserting rod I, 11 positioning hinge support, 111 base, 112 stud II with head, 113 rotating shaft, 114 rotating body, 115 positioning gear, 12 bottom mounting plate, 13 connecting plate, 14 mounting hole, 15 sleeve, 16 stud I with head. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0022] In the description of the present application, if the orientation description such as "up", "down", "front", "back", "left", "right" and the like is involved, the orientation or position relationship indicated is based on the drawings and is only for the convenience of describing the present application and simplifying the description, and is not intended to indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application. When a feature is referred to as being "provided", "fixed", "connected" to another feature, it can be directly provided, fixed or connected to the other feature, or indirectly provided, fixed or connected to the other feature. Figure 2 The orientation or position relationship shown is only for the convenience of describing the present application and simplifying the description, and is not intended to indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application. When a feature is referred to as being "provided", "fixed", "connected" to another feature, it can be directly provided, fixed or connected to the other feature, or indirectly provided, fixed or connected to the other feature.

[0023] Please refer to Figures 1-3 The present application provides the following technical solutions: a support platform for bridge construction, comprising four adjustable cantilever supports, two adjustable cantilever supports in each group are fixed together by a screw rod 7; the adjustable cantilever support comprises an I-shaped support rod 4, the outer side surface of the I-shaped support rod 4 is slidably connected with a sliding block 9, the lower surface of the sliding block 9 is connected with a bottom mounting plate 12 through an inclined support rod 6, the end of the I-shaped support rod 4 is provided with a top mounting plate 3, and the two ends of the inclined support rod 6 are rotatably connected with the sliding block 9 and the bottom mounting plate 12 through positioning hinge supports 11.

[0024] Specifically, the distance between the two adjustable cantilever supports arranged symmetrically in front and back can be adjusted forward and backward according to the specific construction condition, after adjusting the position of the adjustable cantilever support, it is fixed on the screw rod 7 through a nut, and the distance between the top mounting plate 3 and the bottom mounting plate 12 can be adjusted according to the specific construction condition, so that the top mounting plate 3 and the bottom mounting plate 12 can be smoothly fixed on the mounting screw reserved on the pier.

[0025] The outer side of the screw rod 7 is connected with a detachable hoisting device, the hoisting device comprises a hoisting rod 1, the outer side of the hoisting rod 1 is sleeved with a sleeve 15 at the left and right ends, the outer side of the sleeve 15 is provided with a connecting plate 13, the connecting plate 13 is provided with a mounting hole 14, and the screw rod 7 passes through the mounting hole 14.

[0026] Specifically, after the bracket platform is assembled, first, the hoisting rod 1 passes through the sleeve 15, then the screw rod 7 passes through the mounting hole 14 on the connecting plate 13, and after the hoisting device hoists the hoisting rod 1, the bracket platform can be hoisted as a whole.

[0027] Further, the outer side of the top mounting plate 3 and the bottom mounting plate 12 is provided with a plug-in hole.

[0028] Specifically, the plug-in hole facilitates the fixation of the top mounting plate 3 and the bottom mounting plate 12 on the embedded screw rod connecting column.

[0029] Further, the outer side of the I-shaped support rod 4 is provided with a strip-shaped tooth 8 at the lower end of the front and rear sides, the sliding block 9 is threadedly connected with a stud inserting rod I 10 through the threaded holes provided at the outer side of the front and rear ends, and the end of the stud inserting rod I 10 is correspondingly provided in the tooth groove of the strip-shaped tooth 8.

[0030] Specifically, after the sliding block 9 is slid to a suitable position, the end of the stud inserting rod I 10 is inserted into the tooth groove of the strip-shaped tooth 8 by rotating the stud inserting rod I 10, so as to fix the position of the sliding block 9.

[0031] Further, the positioning hinge support 11 comprises a base 111, the outer side of the base 111 is rotatably connected with a rotating shaft 113, the outer side of the rotating shaft 113 is sleeved with a positioning gear 115, the outer side of the rotating shaft 113 is fixedly connected with a rotating body 114, the outer side of the base 111 is threadedly connected with a headed stud II 112, and the end of the headed stud II 112 is correspondingly provided in the tooth groove of the positioning gear 115.

[0032] Specifically, the base 111 is fixed on the sliding block 9 or the bottom mounting plate 12, the rotating body 114 is fixedly connected with the end of the inclined support rod 6, when the support rod 6 is rotated to the position and the position of the support rod 6 needs to be fixed, only the rotating shaft 113 needs to be locked, and the end of the headed stud II 112 can be inserted into the tooth groove of the positioning gear 115 by rotating the headed stud II 112.

[0033] Further, the outer side of the inclined support rod 6 is provided with not less than one ear plate 5, the ear plates 5 on the front and rear inclined support rods 6 are connected together through the screw rod 7, the screw rod 7 and the ear plate 5 are fixed together through a nut, and the number of the screw rod 7 is not less than one.

[0034] Specifically, the ear plate 5 is provided with a through hole in sliding connection with the screw rod 7, and two nuts on the screw rod 7 are arranged at the front and rear ends of the ear plate 5 and tightly abut the outer side surface of the ear plate 5.

[0035] More specifically, after the distance between the two adjustable cantilever supports arranged symmetrically in front and back is adjusted, the nut arranged on the screw rod 7 is rotated so that the nut tightly abuts the outer side surface of the ear plate 5, thereby realizing the position fixation of the adjustable cantilever support.

[0036] Further, the outer side surface of the suspender 1 is provided with a lug 2 in the middle.

[0037] Specifically, the lug 2 is arranged to facilitate the overall hoisting of the support platform.

[0038] Further, the sleeve 15 is fixed on the suspender 1 through the head bolt 16.

[0039] Specifically, the head bolt 16 is rotated so that the end tightly presses against the outer side surface of the suspender 1, thereby realizing the position fixation of the sleeve 15.

[0040] Further, the screw rod 7 is provided with a nut at each of the front and rear ends to prevent the connecting plate 13 from falling off.

[0041] In use, first, the height of the screw rod connecting column pre-buried on the pier is measured, the distance between the two screw rod connecting columns in the same horizontal plane is measured as d, and the distance between the two adjacent screw rod connecting columns in the vertical plane is measured as h.

[0042] According to the measurement result, the support platform is assembled. In assembly, first, the positions of the top mounting plate 3 and the bottom mounting plate 12 are adjusted so that the distance between the outer surface mounting holes of the top mounting plate 3 and the bottom mounting plate 12 is h, and then the bolt plug rod 10 is locked to fix the position of the sliding block 9. After the position of the sliding block 9 is fixed, the positions of the inclined support rod 6 and the bottom mounting plate 12 are fixed in sequence through the positioning hinge support 11 so that the inclined support rod 6 and the bottom mounting plate 12 cannot continue to rotate.

[0043] Then, two screw rods 7 are taken out. First, two nuts are screwed into the screw rod 7, and then the two adjustable cantilever supports are respectively threaded on the screw rod from the two ends of the screw rod 7. Then, the other two nuts are screwed into the screw rod 7 from the front and rear ends of the screw rod 7, and the positions of the adjustable cantilever supports are adjusted on the upper surface of the screw rod 7 so that the distance between the front and rear adjustable cantilever supports is d. Then, the nuts on the screw rod 7 are tightly pressed against the outer surface of the ear plate 5 at the front and rear sides, thereby realizing the position fixation of the adjustable cantilever supports.

[0044] Take out two hangers 1, the connecting plate 13 on the hanger 1 is fixed after sliding to the appropriate position, then the screw rod 7 of the adjustable cantilever support in the above steps is inserted into the mounting hole 14, then the anti-loose nut is installed at the end of the screw rod 7, at this time the support platform complete body is assembled.

[0045] The hanger 1 is lifted by lifting equipment, then the support platform is sleeved on the pier from top to bottom, when the top mounting plate 3 and the bottom mounting plate 12 reach the embedded screw rod connecting column on the pier, the adjustable cantilever support is pushed to slide along the hanger 1, so that the mounting hole on the top mounting plate 3 and the bottom mounting plate 12 can be accurately inserted into the embedded screw rod connecting column, then the position of the top mounting plate 3 and the bottom mounting plate 12 is fixed by using the nut, at this time the support platform realizes rapid installation.

[0046] After installation is completed, the anti-loose nut at the end of the screw rod 7 is loosened, then the hanger 1 can be quickly removed.

[0047] Although the embodiments of the present application have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to the embodiments without departing from the principles and spirits of the present application, the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A support platform for bridge construction, characterized by: Four adjustable cantilever supports are fixed together by a screw rod (7); the adjustable cantilever support comprises an I-shaped support rod (4), the outer side of the I-shaped support rod (4) is slidably connected with a sliding block (9), the lower surface of the sliding block (9) is connected with a bottom mounting plate (12) through an inclined support rod (6), the end of the I-shaped support rod (4) is provided with a top mounting plate (3), the two ends of the inclined support rod (6) are rotatably connected with the sliding block (9) and the bottom mounting plate (12) through positioning hinge supports (11); The outer side of the screw rod (7) is connected with a detachable hoisting device, the hoisting device comprises a suspender (1), the outer side of the suspender (1) is sleeved with a sleeve (15) at the left and right ends, the outer side of the sleeve (15) is provided with a connecting plate (13), the connecting plate (13) is provided with a mounting hole (14), and the screw rod (7) passes through the mounting hole (14) and is arranged.

2. The support platform for bridge construction of claim 1, wherein: The outer side of the top mounting plate (3) and the bottom mounting plate (12) is provided with a plug-in hole.

3. The support platform for bridge construction of claim 1, wherein: The outer side of the I-shaped support rod (4) is provided with a strip-shaped tooth (8) at the lower end of the front and rear sides, the sliding block (9) is screwedly connected with a stud inserting rod I (10) through screw holes arranged at the front and rear ends of the outer side thereof, and the end of the stud inserting rod I (10) is correspondingly arranged in the tooth groove of the strip-shaped tooth (8).

4. The support platform for bridge construction of claim 1, wherein: The positioning hinge support (11) comprises a base (111), the outer side of the base (111) is rotatably connected with a rotating shaft (113), the outer side of the rotating shaft (113) is sleeved with a positioning gear (115), the outer side of the rotating shaft (113) is fixedly connected with a rotating body (114), the outer side of the base (111) is screwedly connected with a headed stud II (112), and the end of the headed stud II (112) is correspondingly arranged in the tooth groove of the positioning gear (115).

5. The support platform for bridge construction of claim 1, wherein: The outer side of the inclined support rod (6) is provided with not less than one lug plate (5), the lug plates (5) on the front and rear inclined support rods (6) are connected together through the screw rod (7), the screw rod (7) and the lug plate (5) are fixed together through a nut, and the number of the screw rod (7) is not less than one.

6. The support platform for bridge construction of claim 1, wherein: The outer side of the suspender (1) is provided with a lifting lug (2) at the middle portion.

7. The support platform for bridge construction of claim 1, wherein: The sleeve (15) is fixed on the suspender (1) through a headed stud I (16).

8. The support platform for bridge construction of claim 1, wherein: The front and rear ends of the screw rod (7) are provided with nuts for preventing the connecting plate (13) from falling off.

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