Guide beam for incremental launching construction of steel box beam

Abstract

The utility model relates to the technical field of building construction, and discloses a guide beam for incremental launching construction of a steel box girder, which comprises a beam body, the beam body is rectangular, the side wall surface of the beam body is fixedly connected with a cross beam, and the two ends of the cross beam are symmetrically and fixedly connected with the same beam body; the connecting structure comprises locking grooves, a fixing plate, a locking rod, a fixing block, an alignment block and an alignment groove, the locking grooves are symmetrically formed in the upper wall face and the lower wall face of the beam body, the fixing plate is movably connected to the side wall face of the beam body, the locking rod is fixedly connected to the wall face of the fixing plate, the fixing block is fixedly connected to the bottom of the front wall face of the beam body, and the alignment block is fixedly connected to the top of the fixing block; the alignment groove is formed in the top of the front wall face of the beam body, and the lock rod can be clamped into the lock groove. According to the connecting structure, after the positions of the adjacent beam bodies are aligned through the fixing blocks and the connecting grooves, the fixing plates drive the locking rods to be inserted into the corresponding locking grooves from the side faces, the fixing plates are fixed to the side wall faces of the beam bodies in cooperation with the high-strength bolts, and therefore the pressure resistance of the connecting positions of the adjacent beam bodies is higher.

Description

Technical Field

[0001] The utility model belongs to the field of building construction, and in particular relates to a guide beam for jacking construction of a steel box beam. Background Art

[0002] The guide beam used in the jacking construction of steel box girders is a key temporary auxiliary structure. Its main functions include ensuring the longitudinal anti-overturning stability of the beam during the jacking construction, reducing the cantilever length of the beam, and reducing the maximum negative bending moment value of the main beam in the cantilever state, thereby reducing the installation stress.

[0003] The prior art (publication number: CN217026732U) discloses a new type of guide beam for steel box girder jacking construction, including a first guide beam, the number of which is two; the utility model installs first connecting blocks at both ends of the second guide beam, so that several second guide beams can be spliced ​​together.

[0004] The prior art assembles the device by snapping the device connection from the top to the bottom. Although this method can connect and assemble the device, in actual use, the prior art has weak force-bearing capacity because there is no structure at the bottom of the connection end that can share the connection tension. Therefore, the pressure resistance of the connection of the prior art is low.

[0005] In view of this, the present utility model is proposed. Utility Model Content

[0006] In order to solve the technical problem of low pressure resistance in the above-mentioned prior art, the basic concept of the technical solution adopted by the present invention is:

[0007] A guide beam for jacking construction of a steel box beam, comprising:

[0008] The beam body is rectangular in shape, the side wall of the beam body is fixedly connected with a cross beam, and the two ends of the cross beam are symmetrically fixedly connected with the same beam body;

[0009] The connecting structure is arranged at the end of the beam body for connecting each adjacent beam body. The connecting structure includes: a locking groove, a fixing plate, a locking rod, a fixing block, an alignment block and an alignment groove. The locking groove is symmetrically opened on the upper and lower walls of the beam body, the fixing plate is movably connected to the side wall of the beam body, the locking rod is fixedly connected to the wall surface of the fixing plate, the solid block is fixedly connected to the bottom of the front wall surface of the beam body, the alignment block is fixedly connected to the top of the solid block, the alignment groove is opened on the top of the front wall surface of the beam body, and the locking rod can be stuck in the locking groove.

[0010] As a preferred embodiment of the present invention, the lock groove is a triangular groove, the fixing plate is a rectangular plate, the locking rod is respectively arranged at the four corners of the side wall of the fixing plate, the lock groove can adapt to the size of the locking rod, the alignment groove can adapt to the size of the alignment block, and the alignment block is a rectangular block.

[0011] As a preferred embodiment of the present invention, the connection structure also includes screw holes, high-strength bolts and connecting grooves. The screw holes are opened on the side wall of the beam body, the high-strength bolts are threadedly connected to the wall of the fixing plate, the connecting grooves are opened on the top of the front wall of the beam body, and the same screw holes are symmetrically opened on the side wall of the fixing plate.

[0012] As a preferred embodiment of the present invention, the screw holes are symmetrically opened on the side wall surface of the beam body, the connecting groove can adapt to the size of the solid block, the alignment groove is opened at the top of the beam body in the connecting groove, the same solid block and alignment block are set on the top of the rear wall surface of the beam body, and the same connecting groove and alignment groove are set on the bottom of the rear wall surface of the beam body.

[0013] As a preferred embodiment of the present invention, the wall surface of the beam body is also provided with a reinforcement structure, which includes side blocks, slots and pull blocks. The side blocks are symmetrically fixedly connected to the two side walls of the alignment block, the slots are opened through the top of the alignment block, and the pull blocks are fixedly connected to the top of the alignment block.

[0014] As a preferred embodiment of the present invention, the reinforcement structure also includes side grooves, inserts and reinforcement grooves. The side grooves are symmetrically opened on both sides of the alignment groove, the inserts are fixedly connected to the wall surface of the beam body in the alignment groove, and the reinforcement grooves are opened at the bottom of the alignment groove.

[0015] As a preferred embodiment of the present invention, the slot is a rectangular slot, the slot can adapt to the size of the plug-in block, the symmetrical side slots can adapt to the size of the symmetrical side block, the reinforcement slot can adapt to the size of the pull block, each alignment slot is provided with the same side slot, plug-in block and reinforcement slot, and each alignment block is provided with the same side block, slot and pull block.

[0016] Compared with the prior art, the present invention has the following beneficial effects:

[0017] 1. By setting up a connection structure, the connection between adjacent beams can have strong compressive resistance. The connection structure aligns the positions of adjacent beams through solid blocks and connecting grooves, and then the fixing plate drives the locking rod to be inserted into each corresponding locking groove from the side. Then, the fixing plate is fixed to the side wall of the beam with high-strength bolts, so that the connection between adjacent beams has stronger compressive resistance. Therefore, compared with the existing technology, this solution has higher compressive strength.

[0018] 2. By setting up a reinforcement structure, it can prevent the displacement of adjacent beams from affecting the installation of the fixing plate when assembling adjacent beams, and can also share a large amount of pressure on the locking rods, which can effectively improve the connection strength of the beams and increase the service life of the beams.

[0019] The specific implementation of the present invention will be described in further detail below with reference to the accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] In the attached figure:

[0021] Figure 1 It is a three-dimensional diagram of the utility model;

[0022] Figure 2 This is an exploded view of the fixed plate and adjacent beams of the present invention;

[0023] Figure 3 This is a separate three-dimensional diagram of the beam body of the utility model;

[0024] Figure 4 This is an enlarged view of point A of the utility model;

[0025] Figure 5 This is a three-dimensional diagram of the alignment block of the utility model.

[0026] In the figure: 20, beam body; 21, screw hole; 22, locking groove; 23, fixing plate; 24, locking rod; 25, high-strength bolt; 26, crossbeam; 30, fixing block; 31, alignment block; 32, side block; 33, slot; 34, pulling block; 40, connecting groove; 41, alignment groove; 42, side groove; 43, insert block; 44, reinforcement groove. DETAILED DESCRIPTION

[0027] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. The following embodiments are used to illustrate the present invention.

[0028] like Figure 1 、 Figure 2 、 Figure 3 and Figure 4 As shown, a guide beam for jacking construction of a steel box beam includes: a beam body 20, the beam body 20 is rectangular, the side wall surface of the beam body 20 is fixedly connected with a cross beam 26, and the two ends of the cross beam 26 are symmetrically fixedly connected to the same beam body 20. This is an existing technology, so it will not be described here.

[0029] like Figure 1 、 Figure 2 、 Figure 3 、 Figure 4 and Figure 5As shown, the connection structure is arranged at the end of the beam body 20 for connecting each adjacent beam body 20, and the connection structure includes: a locking groove 22, a fixing plate 23, a locking rod 24, a fixing block 30, an alignment block 31 and an alignment groove 41. The locking groove 22 is symmetrically opened on the upper and lower walls of the beam body 20, the fixing plate 23 is movably connected to the side wall of the beam body 20, the locking rod 24 is fixedly connected to the wall of the fixing plate 23, the solid block 30 is fixedly connected to the bottom of the front wall of the beam body 20, the alignment block 31 is fixedly connected to the top of the solid block 30, the alignment groove 41 is opened on the top of the front wall of the beam body 20, and the locking rod 24 can be stuck in the locking groove 22.

[0030] like Figure 1 、 Figure 2 、 Figure 3 、 Figure 4 and Figure 5 As shown, the locking groove 22 is a triangular groove, the fixing plate 23 is a rectangular plate, and the locking rod 24 is respectively arranged at the four corners of the side wall of the fixing plate 23. The locking groove 22 can adapt to the size of the locking rod 24, and the positioning groove 41 can adapt to the size of the positioning block 31. The positioning block 31 is a rectangular block. The connection structure also includes a screw hole 21, a high-strength bolt 25 and a connecting groove 40. The screw hole 21 is opened on the side wall of the beam body 20, and the high-strength bolt 25 is threadedly connected to the wall surface of the fixing plate 23. The connecting groove 40 is opened at the top of the front wall surface of the beam body 20. The same screw hole 21 is opened symmetrically on the side wall surface of the fixing plate 23. The screw hole 21 is opened symmetrically on the side wall surface of the beam body 20. The connecting groove 40 can adapt to the size of the fixing block 30, and the positioning groove 41 is opened on the beam body within the connecting groove 40. 20 top, the top of the rear wall of the beam body 20 is provided with the same solid block 30 and alignment block 31, the bottom of the rear wall of the beam body 20 is provided with the same connecting groove 40 and alignment groove 41, the wall of the beam body 20 is also provided with a reinforcement structure, the reinforcement structure includes side blocks 32, slots 33 and pull blocks 34, the side blocks 32 are symmetrically fixedly connected to the two side walls of the alignment block 31, the slots 33 are opened through the top of the alignment block 31, the pull blocks 34 are fixedly connected to the top of the alignment block 31, the reinforcement structure also includes side grooves 42, inserts 43 and reinforcement grooves 44, the side grooves 42 are symmetrically opened on both sides of the alignment groove 41, the inserts 43 are fixedly connected to the wall of the beam body 20 in the alignment groove 41, and the reinforcement grooves 44 are opened at the bottom of the alignment groove 41;

[0031] In specific use, when assembling each adjacent beam body 20, first align the connecting groove 40 position of one beam body 20 rear wall surface with the solid block 30 of the other beam body 20 front wall surface, and then plug it downward. When the solid block 30 is plugged into the connecting groove 40, the alignment block 31 on the top of the solid block 30 will be synchronously snapped into the alignment groove 41, the insert block 43 will be inserted into the slot 33, the side block 32 will be snapped into the side groove 42, and the pull block 34 will be inserted into the reinforcement groove 44. At the same time, the solid block 30 and the connecting groove 40 located above and each corresponding structure will also be synchronously plugged in. At this time, the adjacent beam bodies 20 will be connected. , then the fixing plate 23 drives all the locking rods 24 on its wall to be inserted into each corresponding locking groove 22 at the connection of the adjacent beam bodies 20 to fix the position of the adjacent beam bodies 20, and then the high-strength bolts 25 are screwed into the screw holes 21 on the wall of the fixing plate 23. After the high-strength bolts 25 are screwed into the screw holes 21, they will be directly and synchronously screwed into the screw holes 21 to lock the position of the adjacent beam bodies 20. The installation is completed and it can be used. When it is necessary to dismantle the adjacent beam body 20, all the high-strength bolts 25 are unscrewed, and then the fixing plate 23 is removed from the side wall of the beam body 20 to directly remove the adjacent beam body 20;

[0032] To sum up, by setting up a connecting structure, the connection between adjacent beam bodies 20 can have strong compressive resistance. The connecting structure aligns the positions of adjacent beam bodies 20 through the solid block 30 and the connecting groove 40, so that the fixing plate 23 drives the locking rod 24 to be inserted from the side into each corresponding locking groove 22, and cooperates with the high-strength bolt 25 to fix the fixing plate 23 on the side wall surface of the beam body 20, so that the connection between adjacent beam bodies 20 has stronger compressive resistance. Therefore, compared with the existing technology, the compressive strength of this solution is higher.

[0033] like Figure 3 、 Figure 4 and Figure 5 As shown, the slot 33 is a rectangular slot, and the slot 33 can adapt to the size of the insert block 43, the symmetrical side slots 42 can adapt to the size of the symmetrical side block 32, and the reinforcement slot 44 can adapt to the size of the pull block 34. Each alignment slot 41 is provided with the same side slot 42, insert block 43 and reinforcement slot 44, and each alignment block 31 is provided with the same side block 32, slot 33 and pull block 34.

[0034] During specific use, the side block 32, the slot 33 and the pull block 34 will be inserted into the corresponding side groove 42, the insert block 43 and the reinforcement groove 44 simultaneously as the alignment block 31 is inserted into the alignment groove 41;

[0035] To sum up, by setting up a reinforcement structure, the displacement of adjacent beams 20 can be prevented from affecting the installation of the fixing plate 23 when assembling adjacent beams 20, and a large amount of pressure on the locking rod 24 can be shared, which can effectively improve the connection strength of the beam 20 and increase the service life of the beam 20.

[0036] Working principle: When assembling each adjacent beam body 20, first align the connecting groove 40 position of one beam body 20 rear wall surface with the solid block 30 of the other beam body 20 front wall surface, and then plug it downwards. When the solid block 30 is plugged into the connecting groove 40, the alignment block 31 on the top of the solid block 30 will be synchronously snapped into the alignment groove 41, the insert block 43 will be inserted into the slot 33, the side block 32 will be snapped into the side groove 42, and the pull block 34 will be inserted into the reinforcement groove 44. At the same time, the solid block 30 and the connecting groove 40 above and each corresponding structure will also be synchronously plugged in. At this time, the adjacent beam bodies 20 will be Connect, then drive all the locking rods 24 on its wall by the fixing plate 23 to be inserted into each corresponding locking groove 22 at the connection of the adjacent beam bodies 20 to fix the position of the adjacent beam bodies 20, and then screw the high-strength bolts 25 into the screw holes 21 on the wall of the fixing plate 23. After the high-strength bolts 25 are screwed into the screw holes 21, they will be directly and synchronously screwed into the screw holes 21 to lock the position of the adjacent beam bodies 20. The installation is thus completed. When the adjacent beam bodies 20 need to be disassembled, all the high-strength bolts 25 are unscrewed, and then the fixing plate 23 is removed from the side wall of the beam body 20 to directly remove the adjacent beam body 20.

[0037] It is understood that the present invention is described by way of certain embodiments, and those skilled in the art will appreciate that various changes or equivalent substitutions may be made to these features and embodiments without departing from the spirit and scope of the present invention. Furthermore, under the guidance of the present invention, these features and embodiments may be modified to suit specific circumstances and materials without departing from the spirit and scope of the present invention. Therefore, the present invention is not limited to the specific embodiments disclosed herein, and all embodiments falling within the scope of the claims of this application are intended to be protected by the present invention.

Claims

1. A guide beam for jacking construction of a steel box beam, characterized in that: include: The beam body (20) is rectangular in shape, a side wall of the beam body (20) is fixedly connected to a crossbeam (26), and both ends of the crossbeam (26) are symmetrically fixedly connected to the same beam body (20); The connecting structure is arranged at the end of the beam body (20) and is used to connect each adjacent beam body (20). The connecting structure includes: a locking groove (22), a fixing plate (23), a locking rod (24), a fixing block (30), an alignment block (31) and an alignment groove (41). The locking groove (22) is symmetrically arranged on the upper and lower wall surfaces of the beam body (20), the fixing plate (23) is movably connected to the side wall surface of the beam body (20), the locking rod (24) is fixedly connected to the wall surface of the fixing plate (23), the fixing block (30) is fixedly connected to the bottom of the front wall surface of the beam body (20), the alignment block (31) is fixedly connected to the top of the fixing block (30), the alignment groove (41) is arranged on the top of the front wall surface of the beam body (20), and the locking rod (24) can be snapped into the locking groove (22).

2. A guide beam for jacking construction of a steel box beam according to claim 1, characterized in that: The locking groove (22) is a triangular groove, the fixing plate (23) is a rectangular plate, the locking rod (24) is respectively arranged at the four corners of the side wall of the fixing plate (23), the locking groove (22) can adapt to the size of the locking rod (24), the alignment groove (41) can adapt to the size of the alignment block (31), and the alignment block (31) is a rectangular block.

3. The guide beam for jacking construction of a steel box beam according to claim 1, characterized in that: The connection structure further comprises a screw hole (21), a high-strength bolt (25) and a connecting groove (40), wherein the screw hole (21) is provided on the side wall surface of the beam body (20), the high-strength bolt (25) is threadedly connected to the wall surface of the fixing plate (23), the connecting groove (40) is provided on the top of the front wall surface of the beam body (20), and the side wall surface of the fixing plate (23) is symmetrically provided with the same screw hole (21).

4. A guide beam for jacking construction of a steel box beam according to claim 3, characterized in that: The screw holes (21) are symmetrically opened on the side wall surface of the beam body (20); the connecting groove (40) can adapt to the size of the solid block (30); the alignment groove (41) is opened on the top of the beam body (20) in the connecting groove (40); the same solid block (30) and alignment block (31) are set on the top of the rear wall surface of the beam body (20); and the same connecting groove (40) and alignment groove (41) are set on the bottom of the rear wall surface of the beam body (20).

5. The guide beam for jacking construction of a steel box beam according to claim 1, characterized in that: The wall surface of the beam body (20) is also provided with a reinforcement structure, which includes a side block (32), a slot (33) and a pull block (34). The side block (32) is symmetrically fixedly connected to the two side walls of the alignment block (31), the slot (33) is opened through the top of the alignment block (31), and the pull block (34) is fixedly connected to the top of the alignment block (31).

6. A guide beam for jacking construction of a steel box beam according to claim 5, characterized in that: The reinforcement structure further comprises side grooves (42), insert blocks (43) and reinforcement grooves (44); the side grooves (42) are symmetrically arranged on both sides of the alignment groove (41); the insert blocks (43) are fixedly connected to the wall surface of the beam body (20) in the alignment groove (41); and the reinforcement grooves (44) are arranged at the bottom of the alignment groove (41).

7. A guide beam for jacking construction of a steel box beam according to claim 6, characterized in that: The slot (33) is a rectangular slot. The slot (33) can adapt to the size of the plug block (43). The symmetrical side slots (42) can adapt to the size of the symmetrical side block (32). The reinforcement slot (44) can adapt to the size of the pull block (34). Each alignment slot (41) is provided with the same side slot (42), plug block (43) and reinforcement slot (44). Each alignment block (31) is provided with the same side block (32), slot (33) and pull block (34).

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