CN215629437U - Bridge three-box-chamber superstructure is with whole structure of drawing to each other - Google Patents
Bridge three-box-chamber superstructure is with whole structure of drawing to each other Download PDFInfo
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- CN215629437U CN215629437U CN202121907360.1U CN202121907360U CN215629437U CN 215629437 U CN215629437 U CN 215629437U CN 202121907360 U CN202121907360 U CN 202121907360U CN 215629437 U CN215629437 U CN 215629437U
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Abstract
The application relates to an integral counter-pulling structure for an upper structure of a three-box chamber of a bridge, which relates to the field of counter-pulling structures of bridges and comprises a box girder body and a support frame; the box girder body is arranged at the top of the support frame, and a plurality of groups of preset holes are arranged on the outer side wall of the box girder body in a penetrating manner; the support frame top just is located case roof beam body department and is provided with handling frame, its characterized in that: a protection piece is arranged on the outer side wall of the box girder body and positioned on the side wall of each preset hole; the box girder body and the operation frame are provided with a plurality of pairs of pulling pieces together. This application has the effect that effectively improves the positional stability of case roof beam body at the carriage top.
Description
Technical Field
The application relates to the field of bridge split structures, in particular to a bridge three-box upper structure integral split structure.
Background
At present, a box girder is a supporting girder body used for bearing a bridge pavement layer in bridge engineering. The box girder can be divided into a reinforced concrete structure box girder and a steel plate box girder according to the difference of molding materials, wherein the reinforced concrete structure box girder is mostly a prefabricated box girder.
In the actual installation of the box girder, a constructor firstly transports the box girder to a construction site through transportation equipment, and then erects the box girder on the tops of support structures such as piers and the like through a bridge girder erection machine. And then, the constructor is fixed on the outer side wall of the box girder through the support plate to provide lateral support for the box girder, and finally, the box girder and the support structure are fixedly connected through bolts, electric welding connection and other modes, and the support plate is detached after the box girder is fixed.
With respect to the related art among the above, the inventors consider that the following drawbacks exist: the supporting plate only provides supporting force for the box girder, and when severe weather such as typhoon occurs, the box girder is easy to greatly loose and shake and move relative to the support structure, so that the positioning stability of the box girder on the support structure is greatly influenced.
SUMMERY OF THE UTILITY MODEL
In order to improve the problem that box girder positioning stability on the supporting structure is low on the contrary, this application provides a three box room superstructure of bridge is with whole structure of drawing to one side.
The application provides a three box room superstructure of bridge adopts following technical scheme with whole structure of drawing to:
an integral split structure for an upper structure of a three-box chamber of a bridge comprises a box girder body and a support frame; the box girder body is arranged at the top of the support frame, and a plurality of groups of preset holes are arranged on the outer side wall of the box girder body in a penetrating manner; an operating frame is arranged at the top of the supporting frame and positioned at the box girder body, and a protective piece is arranged on the outer side wall of the box girder body and positioned on the side wall of each preset hole; the box girder body and the operation frame are provided with a plurality of pairs of pulling pieces together.
By adopting the technical scheme, the protective part is stably sleeved on the side wall of the box girder body, so that the stress at the end of the box girder body in the height direction is uniform, and the two ends of the box girder body in the height direction are oppositely pulled by limiting the structure of the box girder body, so that the shock resistance of the box girder body and the position stability after positioning are improved; the box girder body and the operation frame are connected to the pulling piece simultaneously, so that the operation frame can further improve the positioning stability of the box girder body at the top of the support frame from a plurality of positions to the pulling box girder body simultaneously.
Preferably, the protection part is fixedly connected with the box girder body.
Through adopting above-mentioned technical scheme, the guard piece of fixed connection on the box girder body joint strength is high, the phenomenon of being difficult for appearing the pine and shaking, prejudice to move in the position, can effectively ensure the structural stability and the shock resistance of box girder body.
Preferably, the protection member is detachably connected with the box girder body.
By adopting the technical scheme, the detachably connected protection part is fast to install, and the operation efficiency of constructors is improved; meanwhile, the protection part can be conveniently and quickly detached by constructors to replace the protection part for new use or secondary use.
Preferably, each set of the protection element comprises a first sleeve plate and a second sleeve plate which are symmetrical to each other, abutting plates are respectively arranged at the ends, facing each other, of the first sleeve plate and the second sleeve plate, and two mutually adjacent abutting plates abut against the mutually facing side walls and are jointly provided with a locking bolt.
By adopting the technical scheme, the contact area of the first sleeve plate and the second sleeve plate is increased by the butt plate, and the connection stability of the first sleeve plate and the second sleeve plate is improved; the locking bolt is used for two butt joint boards that quick fixed connection offseted, and the constructor of being convenient for revolves soon to dismantle the protection piece fast.
Preferably, the counter-pulling piece and the box girder body are provided with a fixing assembly together, and the fixing assembly comprises an end plate and a connecting bolt; the end plate is arranged at one end of the counter-pulling piece facing the box girder body, and the connecting bolt is used for fixedly connecting the end plate and the box girder body.
By adopting the technical scheme, the contact area of the counter-pulling piece and the box girder body is increased by the end plate, and then the connection strength of the counter-pulling piece and the box girder body is improved after the end plate and the box girder body are fixedly connected by the connecting bolt.
Preferably, the counter-pulling piece and the operation frame are provided with a positioning assembly together, and the positioning assembly comprises a positioning part and a connecting part; the positioning part comprises an external connecting block and a bottom bracing arc plate, the external connecting block is arranged at one end of the counter-pulling piece facing the operating frame, and the bottom bracing arc plate is arranged at one end of the external connecting block away from the counter-pulling piece; connecting portion connect the arc board, attaching plate and the solid bolt of card including the top, the top connects the one end of arc board length direction and the one end rotation connection of outer piece is kept away from to the end brace arc board, attaching plate sets up in the top and connects the other end of arc board length direction, the solid bolt of card is used for fixed connection attaching plate and outer piece.
By adopting the technical scheme, the bottom bracing arc plate is sleeved on the outer edge of the steel pipe of the operation frame, so that the counter-pulling piece is quickly positioned on the operation frame; the top arc-contacting plate is fixedly connected with the bottom bracing arc plate into a whole through rotation, so that the bottom bracing arc plate is not easy to separate from the steel pipe of the operating frame; the attaching plate is abutted to the outer side wall of the external connecting block, so that the attaching plate and the external connecting block are fixedly connected through the clamping bolt, the top attaching arc plate and the bottom supporting arc plate are fixedly connected, and the pull piece and the operating frame are fixedly connected.
Preferably, the attachment plate and the external block which are abutted against each other are magnetically attracted.
Through adopting above-mentioned technical scheme, the joint strength of top connection arc board and end brace arc board has been improved to the rigging board that magnetism was inhaled mutually and external piece, simultaneously for the phenomenon of pine shake, migration appear in the external piece relatively of rigging board is difficult, has improved the joint strength of card solid bolt to rigging board and external piece.
Preferably, the inner side wall of the top arc-connecting plate is provided with an abutting piece.
By adopting the technical scheme, the steel pipe of the operating frame is tightly propped between the top arc-contacting plate and the bottom arc-supporting plate through the compression deformation of the propping piece; meanwhile, the abutting part can reduce the phenomena of loosening and swinging and deviation of the steel pipe of the operating frame relative to the top arc-connecting plate through the characteristic of larger static friction coefficient of the outer surface of the abutting part, and further improve the connection strength and stability of the counter-pulling part and the operating frame.
In summary, the present application includes at least one of the following beneficial technical effects:
1. the protective part is stably sleeved on the side wall of the box girder body, so that two ends of the box girder body in the height direction are oppositely pulled, and the shock resistance and the position stability after positioning of the box girder body are improved; the counter-pulling piece is simultaneously connected with the box girder body and the operation frame, so that the phenomena of loosening and deflection of the box girder body relative to the support frame and the operation frame are reduced, and the positioning stability of the box girder body on the top of the support frame is further improved;
2. the detachable protection piece improves the installation efficiency of constructors on the box girder body, and is convenient for the constructors to rapidly detach for new or secondary utilization.
Drawings
Fig. 1 is a schematic structural view of an integral counter-pulling structure for a bridge three-box chamber superstructure according to embodiment 1 of the present application;
fig. 2 is a schematic structural view of a guard in embodiment 1 of the present application;
FIG. 3 is a schematic longitudinal sectional view showing the connection relationship between the tension member and the box girder body and the handling frame in embodiment 1 of the present application;
FIG. 4 is a schematic view of the connection relationship between the pulling member and the positioning portion and the connecting portion in embodiment 1 of the present application;
fig. 5 is a schematic structural view of an integral counter-pulling structure for a bridge three-box chamber superstructure according to embodiment 2 of the present application;
fig. 6 is an exploded schematic view of the positional relationship of the guard, the abutting plate and the locking bolt in embodiment 2 of the present application.
Description of reference numerals:
1. a box girder body; 11. presetting holes; 12. a counter-pulling piece; 2. a support frame; 21. an operation frame; 3. a guard; 31. a first deck; 32. a second deck; 33. a butt joint plate; 34. locking the bolt; 4. a positioning assembly; 41. a positioning part; 411. an external connection block; 412. a bottom bracing arc plate; 42. a connecting portion; 421. a top arc connecting plate; 4211. an abutting piece; 422. attaching a plate; 423. clamping and fixing the bolt; 5. a fixing assembly; 51. an end plate; 52. and connecting the bolts.
Detailed Description
The present application is described in further detail below with reference to figures 1-6.
Example 1
The embodiment of the application discloses bridge three-box room superstructure is with whole structure of drawing to each other. Referring to fig. 1, the box girder includes a box girder body 1 and a support frame 2. In the present embodiment, the supporting bracket 2 is formed by concrete casting a steel structure, and the supporting bracket 2 is fixed on the ground to serve as a supporting and fixing structure of the bridge body.
Referring to fig. 1, the box girder body 1 is a three-compartment box girder, and the outer side wall of the box girder body 1 is provided with a plurality of groups of preset holes 11 along the thickness direction of the box girder body, in this embodiment, the number of the preset holes 11 may be three groups, and the three groups of preset holes 11 are distributed at intervals along the length direction of the box girder body 1.
Referring to fig. 1 and 2, a plurality of sets of guards 3 are arranged on the side walls of the box girder body 1, the guards 3 comprise two Contraband shaped plates which are symmetrical to each other, and Contraband shaped plates are steel plates. Two Contraband templates cup joint simultaneously behind the lateral wall at preset hole 11 place, the end wall of two Contraband templates orientation each other offsets, and at this moment, constructor can weld two adjacent Contraband templates to with every Contraband template and box girder body 1 welding, make on the protection piece 3 cup joints and is fixed in the lateral wall of box girder body 1, and then with the structural stability of guarantee box girder body 1.
Referring to fig. 1 and 3, the box girder body 1 is positioned on the upper surface of the support frame 2 by a bridge girder erection machine, and the upper surface of the support frame 2 is fixed with an operation frame 21 by bolts. The handling frame 21 is a plate opening support formed by assembling steel pipes, and the handling frame 21 is located at the position of the box girder body 1 so that a worker can climb the box girder body 1 after climbing. The box girder body 1 and the operation frame 21 are provided with a plurality of pairs of pulling pieces 12 together, and the pulling pieces 12 enable a pulling force to be formed between the box girder body 1 and the operation frame 21 so as to ensure the positioning stability of the box girder body 1 at the top of the bracket.
Referring to fig. 3 and 4, in the present embodiment, the counter-pulling element 12 may be a steel wire rope. One end of the counter pull piece 12 in the length direction is connected with the operation frame 21 through a positioning assembly 4, and the positioning assembly 4 comprises a positioning part 41 and a connecting part 42. The positioning portion 41 includes an external block 411 and a bottom arc-supporting plate 412, and in this embodiment, the external block 411 is a solid iron block. The outer joint block 411 is welded at one end of the opposite pulling piece 12 far away from the box girder body 1, and one end of the bottom bracing arc plate 412 close to the outer joint block 411 is welded at the outer side wall of the outer joint block 411.
Referring to fig. 4, the connecting portion 42 includes a top arc plate 421, an engaging plate 422 and a fastening bolt 423, in this embodiment, the top arc plate 421 is an arc plate symmetrical to the bottom arc plate 412. A propping piece 4211 is fixed on the inner side wall of the top arc-connecting plate 421 by gluing, and the propping piece 4211 is a rubber pad which is easy to deform and has a larger static friction coefficient on the outer surface. Laminating board 422 is the magnetic plate, and laminating board 422 welds in the one end that connects arc board 421 length direction along the horizontal direction, and the top connects the one end that arc board 421 kept away from laminating board 422 to rotate through the round pin axle and sets up in the one end that connects piece 411 far away from outer of end support arc board 412.
Referring to fig. 3 and 4, a constructor may sleeve the bottom bracing arc plate 412 on the outer edge of the steel pipe of the handling frame 21, and then rotate the top arc plate 421, so that the top arc plate 421 and the bottom bracing arc plate 412 face each other to sleeve the steel pipe of the handling frame 21 together. At this time, the joint plate 422 and the external connection plate are mutually abutted and magnetically attracted, and a constructor can fixedly connect the joint plate 422 and the external connection plate by using the clamping fixing bolt 423, so that the top joint arc plate 421 and the bottom bracing arc plate 412 are fixedly connected into a whole, and one end of the counter-pull piece 12 in the length direction is fixedly connected with the operation frame 21.
Referring to fig. 3, one end of the counter-pull member 12 away from the handling frame 21 is connected to the box girder body 1 by a fixing assembly 5, and the fixing assembly 5 includes an end plate 51 and a connecting bolt 52. The end plate 51 is welded to one end of the opposite pulling piece 12 facing the box girder body 1, and after the end plate 51 abuts against the side wall of the box girder body 1 facing each other, the connecting bolt 52 fixedly connects the end plate 51 and the box girder body 1, so that the end plate 51 is fixed to the outer side wall of the box girder body 1.
The implementation principle of this application embodiment 1 a bridge three-box room superstructure is with whole structure of drawing to do: guard 3 cup joints on the lateral wall of case roof beam body 1, and when case roof beam body 1 atress and two kinds of effort of opposite direction appear at the both ends of self direction of height, guard 3 can stabilize staple bolt case roof beam body 1 for 1 direction of height both ends of case roof beam body are each other to drawing, improve the shock resistance of case roof beam body 1 and the positional stability of self.
To drawing a 12 and connecting case roof beam body 1 and handling frame 21 simultaneously for handling frame 21 has ensured the positional stability of case roof beam body 1 at support frame 2 top simultaneously to drawing case roof beam body 1 from a plurality of positions simultaneously.
Example 2
The difference between embodiment 2 and embodiment 1 is that, referring to fig. 5 and 6, the guard 3 is detachably connected to the box girder body 1. The protection member 3 comprises a first strap 31 and a second strap 32 which are symmetrical to each other, the first strap 31 and the second strap 32 are both made of steel plates with Contraband-shaped longitudinal sections, the first strap 31 and the second strap 32 are sleeved on the side walls of the box girder body 1, and the end walls of the first strap 31 and the second strap 32 which face each other are abutted.
Referring to fig. 6, the mutually facing end walls of the first strap 31 and the second strap 32 are welded with abutting plates 33, respectively, and the mutually facing side walls of the two abutting plates 33 that are close to each other abut against each other and are provided with locking bolts 34 together. The body of rod of locking bolt 34 passes one of them butt joint board 33 and screw thread and screws up in the predetermined thread groove of another butt joint board 33 lateral wall for two butt joint board 33 fixed connection that offset are a whole, and then make first lagging 31 and second lagging 32 fixed connection be a whole, with the stable lateral wall of cup jointing on case roof beam body 1.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (8)
1. An integral split structure for an upper structure of a three-box chamber of a bridge comprises a box girder body (1) and a support frame (2); the box girder body (1) is arranged at the top of the support frame (2), and a plurality of groups of preset holes (11) are arranged on the outer side wall of the box girder body (1) in a penetrating manner; support frame (2) top just is located case roof beam body (1) and locates to be provided with handling frame (21), its characterized in that: a protection piece (3) is arranged on the outer side wall of the box girder body (1) and positioned on the side wall of each preset hole (11); the box girder body (1) and the operation frame (21) are provided with a plurality of pairs of pulling pieces (12) together.
2. The integral counter-pulling structure for the bridge three-box-chamber upper structure is characterized in that: the protection piece (3) is fixedly connected with the box girder body (1).
3. The integral counter-pulling structure for the bridge three-box-chamber upper structure is characterized in that: the protection piece (3) is detachably connected with the box girder body (1).
4. The integral split structure for the bridge three-box chamber upper structure is characterized in that: each group of the protection piece (3) comprises a first sleeve plate (31) and a second sleeve plate (32) which are symmetrical to each other, wherein one ends, facing each other, of the first sleeve plate (31) and the second sleeve plate (32) are respectively provided with a butt joint plate (33), and two butt joint plates (33) which are close to each other are abutted to side walls, facing each other, and are provided with locking bolts (34) together.
5. The integral counter-pulling structure for the bridge three-box-chamber upper structure is characterized in that: the counter-pulling piece (12) and the box girder body (1) are provided with a fixing component (5) together, and the fixing component (5) comprises an end plate (51) and a connecting bolt (52); the end plate (51) is arranged at one end, facing the box girder body (1), of the opposite pulling piece (12), and the connecting bolt (52) is used for fixedly connecting the end plate (51) and the box girder body (1).
6. The integral split structure for the bridge three-box chamber upper structure is characterized in that: the counter-pulling piece (12) and the operation frame (21) are provided with a positioning assembly (4) together, and the positioning assembly (4) comprises a positioning part (41) and a connecting part (42); the positioning part (41) comprises an external connecting block (411) and a bottom bracing arc plate (412), the external connecting block (411) is arranged at one end, facing the operation frame (21), of the counter-pulling piece (12), and the bottom bracing arc plate (412) is arranged at one end, far away from the counter-pulling piece (12), of the external connecting block (411); connecting portion (42) connect arc board (421), attaching plate (422) and block solid bolt (423) including the top, the top connects arc board (421) length direction's one end and end prop arc board (412) and keep away from the one end rotation of outer joint piece (411) and be connected, attaching plate (422) set up in the top connects arc board (421) length direction's the other end, block solid bolt (423) are used for fixed connection attaching plate (422) and outer joint piece (411).
7. The integral split structure for the bridge three-box chamber upper structure is characterized in that: the attaching plate (422) and the external connecting block (411) which are mutually abutted attract each other in a magnetic way.
8. The integral split structure for the bridge three-box chamber upper structure is characterized in that: the inner side wall of the top arc-connecting plate (421) is provided with a propping piece (4211).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121907360.1U CN215629437U (en) | 2021-08-14 | 2021-08-14 | Bridge three-box-chamber superstructure is with whole structure of drawing to each other |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121907360.1U CN215629437U (en) | 2021-08-14 | 2021-08-14 | Bridge three-box-chamber superstructure is with whole structure of drawing to each other |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215629437U true CN215629437U (en) | 2022-01-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121907360.1U Active CN215629437U (en) | 2021-08-14 | 2021-08-14 | Bridge three-box-chamber superstructure is with whole structure of drawing to each other |
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| Country | Link |
|---|---|
| CN (1) | CN215629437U (en) |
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2021
- 2021-08-14 CN CN202121907360.1U patent/CN215629437U/en active Active
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