Extra-large span composite rib corrugated steel web prestressed box girder bridge

Abstract

The utility model belongs to the technical field of corrugated steel webs, and particularly relates to an extra-large-span composite rib corrugated steel web prestressed box girder bridge which comprises a plate body, two fixing plates and a connecting device, the two fixing plates are located on the two sides of the plate body respectively, and a plurality of positioning holes are formed in the surfaces of the fixing plates; a connecting device is arranged on the surface of the plate body and the surface of the fixing plate and comprises an inserting groove formed in the surface of the fixing plate, the plate body is inserted into the inner wall of the inserting groove of the fixing plate, and a filling device is arranged at the position, close to the positioning hole, of the surface of the fixing plate and comprises a connecting block located on the side wall of the fixing plate. Two filling rings are fixedly connected to the side wall of the connecting block and located at the upper end and the lower end of the positioning hole. The plate body can be fixed to the inner wall of the fixing plate by arranging the inserting columns, meanwhile, the operation steps can be reduced through the springs, and the situation that the plate body is inserted into the fixing plate inaccurately can be reduced through the arrangement of the clamping plates and the clamping grooves.

Description

Technical Field

[0001] The utility model relates to the technical field of corrugated steel webs, in particular to a prestressed box girder bridge with a super-large span and composite rib corrugated steel web. Background Art

[0002] The corrugated steel web prestressed concrete box girder bridge, also known as the corrugated steel web PC bridge, refers to a box girder with corrugated steel plates replacing the concrete webs of the prestressed concrete box girders as webs. Its notable feature is that 10-20 mm thick steel plates replace 30-80 cm thick concrete webs.

[0003] With respect to the above-mentioned and existing related technologies, the inventors believe that the following defects often exist: when constructing a bridge, it is necessary to use a corrugated steel web, and the corrugated steel web needs to be used in conjunction with a fixing plate. Most installation methods during installation are bolt fixing, and in actual operation, it is likely that there will be problems such as cumbersome operations and repeated waste of time. Therefore, in order to solve the above problems, an extra-large span composite rib corrugated steel web prestressed box girder bridge is proposed. Utility Model Content

[0004] In order to make up for the deficiencies of the prior art, at least one technical problem raised in the background technology is solved.

[0005] The technical solution adopted by the utility model to solve its technical problems is: the utility model describes an extra-large span composite rib corrugated steel web prestressed box girder bridge, comprising a plate body, two fixed plates and a connecting device, the two fixed plates are respectively located on both sides of the plate body, and a plurality of positioning holes are provided on the surface of the fixed plates; a connecting device is provided on the surface of the plate body and the fixed plate, and the connecting device comprises a slot, the slot is provided on the surface of the fixed plate, the plate body is inserted into the inner wall of the slot of the fixed plate, a plurality of receiving grooves are provided on the surface of the fixed plate near the plate body, and the inner wall of the receiving groove of the fixed plate is slidably connected with a plug column, the plug column is inserted into the inner wall of the plate body and the fixed plate, the surface of the plug column is fixedly connected to a limiting disk, the plug column is inserted into the inner wall of the plate body and the fixed plate, and the plate body can be fixed to the inner wall of the fixed plate by setting the plug column.

[0006] Preferably, a spring is fixedly connected to the bottom end of the limit plate and the inner surface of the storage groove of the plate body. When the plug post is released, the spring will rebound, and the spring drives the limit plate to slide, and the limit plate drives the plug post to slide. By setting the spring, the limit plate and the plug post can be driven to slide and the position of the plug post can be limited at the same time.

[0007] Preferably, a handle is fixedly connected to the bottom end of the plurality of the insertion posts, and a connecting plate is fixedly connected to the upper surface of the plate body. When moving the insertion posts, the handle is pulled to allow the handle to drive the insertion posts to slide. By providing a handle, the insertion posts can be conveniently moved together.

[0008] Preferably, the side wall of the connecting plate is fixedly connected with a card plate, and a card slot is opened on the surface of the fixed plate near the card plate. The card plate is inserted into the inner wall of the card slot of the fixed plate. The setting of the card plate can assist in limiting the position of the plate body in the fixed plate.

[0009] Preferably, a filling device is provided on the surface of the fixing plate near the positioning hole, and the filling device includes a connecting block, the connecting block is located on the side wall of the fixing plate, and the side wall of the connecting block is fixedly connected to two filling rings, and the two filling rings are located at the upper and lower ends of the positioning hole. The inner wall of the connecting block is rotatably connected to a supporting block, and the bolt is rotated to the filling ring and the inner wall of the positioning hole. By setting the filling ring, the gap between the fixing plate and other equipment can be filled, and the space between the bolt and the fixing plate can also be filled.

[0010] Preferably, the side wall of the support block is fixedly connected with a positioning column, and a socket is opened on the surface of the fixing plate near the positioning column. The positioning column is inserted into the inner wall of the socket of the fixing plate. The positioning column is inserted into the inner wall of the socket of the fixing plate, and the positioning column can fix the position of the support block.

[0011] The utility model is beneficial in that:

[0012] 1. When the plate body needs to be installed, the utility model pushes the handle to let the handle drive the plug post to slide, the plug post drives the limit plate to slide, the plug post and the limit plate slide on the inner wall of the storage slot, the sliding of the limit plate will drive the spring to contract, and then the plate body is inserted into the inner wall of the slot of the fixed plate, the card plate is aligned with the card slot before the plate body moves, and the connecting plate and the card plate are driven to slide during the movement of the plate body, the card plate is inserted into the inner wall of the card slot, and then the handle is released and the spring will rebound, the spring drives the limit plate and the plug post to slide, and the plug post is inserted into the inner wall of the plate body and the fixed plate. By setting the plug post, the plate body can be fixed to the inner wall of the fixed plate, and the spring can reduce the operation steps, and the setting of the card plate and the card slot can reduce the situation where the plate body is inserted into the fixed plate inaccurately.

[0013] 2. When the fixing plate needs to be fixed, the utility model aligns the support block with the positioning column, and then pushes the support block to allow the support block to drive the positioning column to slide, and the positioning column is inserted into the inner wall of the insertion hole of the fixing plate, and then pushes the connecting block to allow the connecting block to rotate on the surface of the support block, and the connecting block drives the filling ring to move, and the filling ring is sleeved on the surface of the fixing plate, and then when the fixing plate is aligned with other objects, the bolt is rotated into the filling ring, the positioning hole and other objects. By setting the filling ring, the gap between the fixing plate and other objects can be filled, and the gap between the bolt and the fixing plate can also be filled, and the support block and the positioning column can fix the position of the entire device. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.

[0015] Figure 1 This is a schematic diagram of the structure of the plate body in the first embodiment of the utility model;

[0016] Figure 2 In the first embodiment of the utility model Figure 1 A schematic diagram of the structure at A;

[0017] Figure 3 This is a schematic diagram of the structure of the fixed plate in the first embodiment of the utility model;

[0018] Figure 4 In the first embodiment of the utility model Figure 3 Schematic diagram of the structure at B;

[0019] Figure 5 It is a schematic diagram of the three-dimensional structure of the transverse pull rod in the second embodiment of the utility model.

[0020] In the figure: 1. plate body; 2. fixing plate; 3. positioning hole; 4. connecting device; 41. slot; 42. storage slot; 43. plug-in column; 44. limit plate; 45. spring; 46. handle; 47. connecting plate; 48. clamping plate; 49. clamping slot; 5. filling device; 51. connecting block; 52. filling ring; 53. supporting block; 54. positioning column; 55. socket; 6. placement block; 7. horizontal pull rod. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] Embodiment 1:

[0023] See also Figure 1-4As shown, a super-large span composite rib corrugated steel web prestressed box girder bridge comprises a plate body 1, two fixing plates 2 and a connecting device 4, wherein the two fixing plates 2 are respectively located on both sides of the plate body 1, and a plurality of positioning holes 3 are opened on the surface of the fixing plates 2; a connecting device 4 is provided on the surface of the plate body 1 and the fixing plates 2, and the connecting device 4 comprises a slot 41, wherein the slot 41 is opened on the surface of the fixing plates 2, the plate body 1 is inserted into the inner wall of the slot 41 of the fixing plates 2, and a plurality of receiving holes 3 are opened on the surface of the fixing plates 2 near the plate body 1 Slot 42, the inner wall of the receiving slot 42 of the fixed plate 2 is slidably connected with a plug post 43, the plug post 43 is inserted into the inner walls of the plate body 1 and the fixed plate 2, and the surface of the plug post 43 is fixedly connected with the limit plate 44; when working, the plate body 1 is inserted into the inner wall of the fixed plate 2, and then the plug post 43 is pushed to let the plug post 43 drive the limit plate 44 to slide, the plug post 43 and the limit plate 44 slide on the inner wall of the receiving slot 42, and the plug post 43 is inserted into the inner walls of the plate body 1 and the fixed plate 2. By setting the plug post 43, the plate body 1 can be fixed to the inner wall of the fixed plate 2.

[0024] The bottom end of the limit plate 44 and the inner surface of the receiving groove 42 of the plate body 1 are fixedly connected with a spring 45; when working, the plug post 43 is pulled to allow the plug post 43 to drive the limit plate 44 to slide, and the limit plate 44 drives the spring 45 to contract. After the plate body 1 is inserted into the inner wall of the fixed plate 2, the plug post 43 is released and the spring 45 will rebound. The spring 45 drives the limit plate 44 to slide, and the limit plate 44 drives the plug post 43 to slide. By setting the spring 45, the limit plate 44 and the plug post 43 can be driven to slide and the position of the plug post 43 can be limited at the same time.

[0025] The bottom ends of the plurality of plug posts 43 are fixedly connected with a handle 46, and the upper surface of the plate body 1 is fixedly connected with a connecting plate 47; during operation, the handle 46 is pulled to allow the handle 46 to drive the plug posts 43 to slide, and the handle 46 can be provided to facilitate the movement of the plug posts 43 together.

[0026] The side wall of the connecting plate 47 is fixedly connected with a clamping plate 48, and a clamping groove 49 is opened on the surface of the fixing plate 2 near the clamping plate 48, and the clamping plate 48 is inserted into the inner wall of the clamping groove 49 of the fixing plate 2; during operation, when the plate body 1 moves, it will drive the connecting plate 47 to slide, and the connecting plate 47 drives the clamping plate 48 to slide, and the clamping plate 48 is inserted into the inner wall of the clamping groove 49 of the fixing plate 2. The setting of the clamping plate 48 can assist in limiting the position of the plate body 1 in the fixing plate 2.

[0027] A filling device 5 is provided on the surface of the fixing plate 2 near the positioning hole 3, and the filling device 5 includes a connecting block 51, and the connecting block 51 is located on the side wall of the fixing plate 2. Two filling rings 52 are fixedly connected to the side wall of the connecting block 51, and the two filling rings 52 are located at the upper and lower ends of the positioning hole 3. The inner wall of the connecting block 51 is rotatably connected with a supporting block 53; when working, the supporting block 53 is attached to the fixing plate 2, and then the connecting block 51 is pushed to make the connecting block 51 rotate on the surface of the supporting block 53, and the connecting block 51 drives the filling ring 52 to move, and the filling ring 52 is attached to the fixing plate 2, and then the bolt is rotated to the filling ring 52 and the inner wall of the positioning hole 3. By setting the filling ring 52, the gap between the fixing plate 2 and other equipment can be filled, and the space between the bolt and the fixing plate 2 can also be filled.

[0028] The side wall of the support block 53 is fixedly connected with a positioning column 54, and a socket 55 is opened on the surface of the fixing plate 2 near the positioning column 54, and the positioning column 54 is inserted into the inner wall of the socket 55 of the fixing plate 2; when working, the support block 53 will drive the positioning column 54 to slide, and the positioning column 54 is inserted into the inner wall of the socket 55 of the fixing plate 2, and the positioning column 54 can fix the position of the support block 53.

[0029] Embodiment 2:

[0030] See also Figure 5 As shown, compared with Example 1, as another implementation mode of the utility model, the two transverse tie rods 7 are located at the bottom end of the plate body 1, and a placement block 6 is fixedly connected to the surface of the fixed plate 2 near the transverse tie rod 7, and the inner walls of the placement block 6 and the transverse tie rod 7 are threadedly connected with bolts; when working, after the plate body 1 is fixed, the transverse tie rod 7 is attached to the placement block 6, and the transverse tie rod 7 will also press against the plate body 1, and then the bolts are rotated to the inner walls of the placement block 6 and the transverse tie rod 7. The setting of the transverse tie rod 7 can reduce the possibility of collapse of the plate body 1.

[0031] Working principle, when the board body 1 needs to be installed, push the handle 46 to let the handle 46 drive the plug post 43 to slide, the plug post 43 drives the limit plate 44 to slide, the plug post 43 and the limit plate 44 slide on the inner wall of the storage slot 42, and the limit plate 44 slides, which will drive the spring 45 to contract, and then insert the board body 1 into the inner wall of the slot 41 of the fixed plate 2, align the card plate 48 with the card slot 49 before the board body 1 moves, and the connecting plate 47 and the card plate 48 will be driven to slide during the movement of the board body 1, and the card plate 48 will be inserted into the inner wall of the card slot 49, and then release the handle 46 and the spring 45 will rebound, and the spring 45 drives the limit plate 44 and the plug post 43 to slide, and the plug post 43 is inserted into the inner wall of the board body 1 and the fixed plate 2. By setting the plug post 43, the board body 1 can be fixed to the inner wall of the fixed plate 2, and the spring 45 can reduce the operation steps, and the card plate 48 and The setting of the card slot 49 can reduce the situation where the plate body 1 is inserted into the fixed plate 2 inaccurately; when the fixed plate 2 needs to be fixed, align the support block 53 with the positioning column 54, and then push the support block 53 to allow the support block 53 to drive the positioning column 54 to slide, and the positioning column 54 is inserted into the inner wall of the socket 55 of the fixed plate 2, and then push the connecting block 51 to allow the connecting block 51 to rotate on the surface of the support block 53, and the connecting block 51 drives the filling ring 52 to move, and the filling ring 52 is sleeved on the surface of the fixed plate 2. When the fixed plate 2 is aligned with other objects, the bolt is then rotated into the filling ring 52, the positioning hole 3 and other objects. By setting the filling ring 52, the gap between the fixed plate 2 and other objects can be filled, and the gap between the bolt and the fixed plate 2 can also be filled, and the support block 53 and the positioning column 54 can fix the position of the entire device.

[0032] In the description of this specification, the description with reference to the terms "one embodiment", "example", "specific example", etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0033] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments, and the above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, and these changes and improvements fall within the scope of the utility model to be protected.

Claims

1. A super-large span composite rib corrugated steel web prestressed box girder bridge, comprising a plate body (1), two fixing plates (2) and a connecting device (4), wherein the two fixing plates (2) are respectively located on both sides of the plate body (1), and a plurality of positioning holes (3) are opened on the surface of the fixing plates (2); characterized in that: The surfaces of the plate body (1) and the fixed plate (2) are provided with a connecting device (4), the connecting device (4) comprising a slot (41), the slot (41) being provided on the surface of the fixed plate (2), the plate body (1) being inserted into the inner wall of the slot (41) of the fixed plate (2), a plurality of receiving grooves (42) being provided on the surface of the fixed plate (2) near the plate body (1), the inner wall of the receiving groove (42) of the fixed plate (2) being slidably connected with an inserting column (43), the inserting column (43) being inserted into the inner wall of the plate body (1) and the fixed plate (2), the surface of the inserting column (43) being fixedly connected with a limiting disk (44).

2. The super-long span composite rib corrugated steel web prestressed box girder bridge according to claim 1, characterized in that: A spring (45) is fixedly connected between the bottom end of the limiting plate (44) and the inner surface of the receiving groove (42) of the plate body (1).

3. The super-long span composite rib corrugated steel web prestressed box girder bridge according to claim 1, characterized in that: The bottom ends of the plurality of plug posts (43) are fixedly connected to a handle (46), and the upper surface of the plate body (1) is fixedly connected to a connecting plate (47).

4. The super-long span composite rib corrugated steel web prestressed box girder bridge according to claim 3, characterized in that: A clamping plate (48) is fixedly connected to the side wall of the connecting plate (47); a clamping groove (49) is provided on the surface of the fixing plate (2) near the clamping plate (48); and the clamping plate (48) is inserted into the inner wall of the clamping groove (49) of the fixing plate (2).

5. The super-long span composite rib corrugated steel web prestressed box girder bridge according to claim 1, characterized in that: A filling device (5) is provided on the surface of the fixing plate (2) near the positioning hole (3), and the filling device (5) comprises a connecting block (51), the connecting block (51) is located on the side wall of the fixing plate (2), two filling rings (52) are fixedly connected to the side wall of the connecting block (51), the two filling rings (52) are located at the upper and lower ends of the positioning hole (3), and the inner wall of the connecting block (51) is rotatably connected to a supporting block (53).

6. The super-long span composite rib corrugated steel web prestressed box girder bridge according to claim 5, characterized in that: The side wall of the support block (53) is fixedly connected with a positioning column (54), and a plug hole (55) is provided on the surface of the fixing plate (2) near the positioning column (54), and the positioning column (54) is inserted into the inner wall of the plug hole (55) of the fixing plate (2).

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