Cross-core rod fixing device for bridge construction

Abstract

The invention provides a cross-core rod fixing device for bridge construction, which comprises a fixing seat, two arc-shaped clamping seats and a connecting assembly, the connecting assembly is arranged between the fixing seat and one of the clamping seats, the two ends of the two clamping seats are provided with extension parts, and the two ends of the two clamping seats are connected with the connecting assembly. The two symmetrical extending parts of the two clamping seats are locked through the locking assembly, the fixing seat is used for being connected with a bridge structure, the length of the connecting assembly is adjustable, and the problem that in the prior art, an existing cross-core rod fixing mode is adopted, and a cross-core rod is prone to rotating is solved.

Description

Technical Field

[0001] The invention relates to the technical field of bridge construction equipment, and in particular to a mandrel fixing device used in bridge construction. Background Art

[0002] In the construction of bridge supports, the through-rod method is a type of non-ground support. The through-rod method is widely used in the construction of cylindrical piers and rectangular pier cap beams due to its strong practicality and high safety. During the construction of the bridge, through-rod installation holes will be reserved at the predetermined positions of the piers. After the piers are cast, the through-rods are installed in place through these holes to form a stable support structure. At present, the through-rods are usually fixed by steel sleeves or channel steel cuts. Since the position of the through-rod cannot be accurately determined, the channel steel cuts are often large and cannot prevent the through-rods from rotating. Summary of the invention

[0003] In view of the deficiencies in the prior art, the present invention provides a mandrel fixing device for bridge construction, which solves the problem that the mandrel is prone to rotation in the existing mandrel fixing method in the prior art.

[0004] According to an embodiment of the present invention, a through rod fixing device for bridge construction includes: a fixing seat, a clamping seat and a connecting assembly, there are two clamping seats, both of which are arc-shaped and arranged opposite to each other, the connecting assembly is arranged between the fixing seat and one of the clamping seats, both ends of the two clamping seats are provided with extension parts, and the two mutually symmetrical extension parts of the two clamping seats are locked by a locking assembly, the fixing seat is used to connect to the bridge structure, and the length of the connecting assembly is adjustable.

[0005] Compared with the prior art, the present invention has the following beneficial effects: by designing the two clamping seats into an arc shape, the two clamping seats can be better fitted and tightly attached to the through-rod, and then the locking assembly locks the extensions at the ends of the two clamping seats, so that the two clamping seats clamp the through-rod, thereby fixing the through-rod and preventing the through-rod from rotating; at the same time, by providing a length-adjustable connecting assembly, it is convenient to adjust the distance between the clamping seat and the bridge structure, thereby facilitating fixing the fixing seat on the bridge structure.

[0006] Furthermore, the connecting assembly includes: at least one connecting column fixedly arranged at the bottom of the fixed seat, the bottom of each connecting column is recessed to form a slide groove, one end of a sliding column is slidably arranged in each slide groove, the other end of each sliding column is fixedly connected to the top of one of the clamping seats, and the sliding column and the connecting column are locked by bolts.

[0007] Furthermore, the locking assembly includes: a mounting block and a screw rod, the mounting block is provided with a channel for the extension portion of the end of the clamping seat to pass through, the two extension portions at the opposite ends of the two clamping seats are inserted into the channel, the screw rod is vertically inserted into the channel from the top of the mounting block, the end of the screw rod is pressed against the top of the extension portion, and the screw rod is threadedly connected to the mounting block.

[0008] As another embodiment, the locking assembly includes a bolt, and the two extensions are locked by the bolt.

[0009] Furthermore, it also includes: a clamping tile seat, and the clamping tile seats are detachably provided on the opposite sides of the two clamping seats, and the clamping tile seats are also arc-shaped.

[0010] Furthermore, the inner surface of each clamping seat is provided with a sliding groove, and the side wall of the corresponding clamping shoe seat is provided with a sliding block, and the sliding block is slidably connected to the sliding groove.

[0011] Furthermore, the side wall of each sliding groove is provided with a guide groove, and the side wall of the sliding block is provided with a guide block slidably connected to the guide groove. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 FIG. 1 is a schematic structural diagram of a first embodiment of the present invention.

[0013] Figure 2 FIG. 2 is a schematic structural diagram of a second embodiment of the present invention.

[0014] Figure 3 It is a schematic diagram of the installation structure of the clamping tile seat.

[0015] In the above drawings: 1. fixed seat; 2. clamping seat; 3. extension part; 4. through rod; 5. connecting column; 6. sliding column; 7. bolt; 8. mounting block; 9. channel; 10. screw; 11. clamping shoe seat; 12. sliding block; 13. guide block. DETAILED DESCRIPTION

[0016] The technical solution of the present invention is further described below in conjunction with the accompanying drawings and embodiments.

[0017] like Figure 1 As shown, an embodiment of the present invention proposes a through rod fixing device for bridge construction, comprising: a fixing seat 1, a clamping seat 2 and a connecting assembly, wherein there are two clamping seats 2, both of which are arc-shaped and arranged opposite to each other, and the connecting assembly is arranged between the fixing seat 1 and one of the clamping seats 2, and both ends of the two clamping seats 2 are provided with extension parts 3, and the two symmetrical extension parts 3 of the two clamping seats 2 are locked by a locking assembly, the fixing seat 1 is used to be connected to the bridge structure, and the length of the connecting assembly is adjustable.

[0018] By designing the two clamping seats 2 into an arc shape, the two clamping seats 2 can fit more closely on the through-rod 4, and then the locking assembly locks the extension portions 3 at the ends of the two clamping seats 2, so that the two clamping seats 2 clamp the through-rod 4 to fix the through-rod 4 and prevent the through-rod 4 from rotating; at the same time, by providing a length-adjustable connecting assembly, it is convenient to adjust the distance between the clamping seat 2 and the bridge structure, thereby facilitating fixing the fixing seat 1 on the bridge structure.

[0019] Further, such as Figure 1 As shown, the connecting assembly includes: at least one connecting column 5 fixedly arranged at the bottom of the fixing seat 1, the bottom of each connecting column 5 is recessed to form a slide groove, one end of a sliding column 6 is slidably arranged in each slide groove, and the other end of each sliding column 6 is fixedly connected to the top of one of the clamping seats 2, and the sliding column 6 and the connecting column 5 are locked by bolts 7.

[0020] like Figure 1 As shown, as a first embodiment, the locking assembly includes: a mounting block 8 and a screw 10, the mounting block 8 is provided with a channel 9 for the extension 3 at the end of the clamping seat 2 to pass through, the two extensions 3 at the opposite ends of the two clamping seats 2 are inserted into the channel 9, the screw 10 is vertically inserted into the channel 9 from the top of the mounting block 8, the end of the screw 10 is pressed against the top of the extension 3, and the screw 10 is threadedly connected with the mounting block 8. Specifically, when locking the two clamping seats 2, firstly insert the two extensions 3 at the same end of the two clamping seats 2 into the channel 9 of the mounting block 8, and then rotate the screw 10 so that the screw 10 moves vertically downward and presses against the top of the extension 3, while the other extension 3 is in close contact with the bottom of the channel 9, so as to achieve the clamping of the two extensions 3 in the channel 9.

[0021] like Figure 2 As shown, as a second embodiment, the locking assembly includes a bolt 7, and the two extension parts 3 are locked by the bolt 7.

[0022] Specifically, it also includes: a clamping tile seat 11, and the clamping tile seat 11 is detachably provided on the opposite sides of the two clamping seats 2, and the clamping tile seat 11 is also arc-shaped. The inner surface of each clamping seat 2 is provided with a sliding groove, and the side wall of the corresponding clamping tile seat 11 is provided with a sliding block 12, and the sliding block 12 is slidably connected to the sliding groove. The side wall of each sliding groove is provided with a guide groove, and the side wall of the sliding block 12 is provided with a guide block 13 slidably connected to the guide groove. Through the design of the clamping tile seat 11, the clamping tile seat 11 with different inner diameters can be replaced, so that the inner diameter of the clamping tile seat 11 matches the diameter of the through rod 4, that is, the clamping tile seat 11 can fit on the surface of the through rod 4, thereby improving the clamping effect.

[0023] Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the present invention rather than to limit it. Although the present invention has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical solution of the present invention can be modified or replaced by equivalents without departing from the purpose and scope of the technical solution of the present invention, which should be included in the scope of the claims of the present invention.

Claims

1. A mandrel fixing device for bridge construction, characterized in that: include: A fixing seat (1), a clamping seat (2) and a connecting assembly, wherein there are two clamping seats (2), both of which are arc-shaped and arranged opposite to each other, and the connecting assembly is arranged between the fixing seat (1) and one of the clamping seats (2), and both ends of the two clamping seats (2) are provided with extension parts (3), and the two mutually symmetrical extension parts (3) of the two clamping seats (2) are locked by a locking assembly, the fixing seat (1) is used for connecting to a bridge structure, and the length of the connecting assembly is adjustable.

2. A mandrel fixing device for bridge construction as claimed in claim 1, characterized in that: The connection assembly comprises: at least one connection column (5) fixedly arranged at the bottom of the fixed seat (1); the bottom of each connection column (5) is recessed to form a slide groove; one end of a sliding column (6) is slidably arranged in each slide groove; the other end of each sliding column (6) is fixedly connected to the top of one of the clamping seats (2); the sliding column (6) and the connection column (5) are locked by bolts (7).

3. A mandrel fixing device for bridge construction as claimed in claim 2, characterized in that: The locking assembly comprises: a mounting block (8) and a screw rod (10); the mounting block (8) is provided with a channel (9) for the extension portion (3) at the end of the clamping seat (2) to pass through; the two extension portions (3) at the opposite ends of the two clamping seats (2) are inserted into the channel (9); the screw rod (10) is vertically inserted into the channel (9) from the top of the mounting block (8); the end of the screw rod (10) is pressed against the top of the extension portion (3); and the screw rod (10) is threadedly connected to the mounting block (8).

4. A mandrel fixing device for bridge construction as claimed in claim 1, characterized in that: The locking assembly comprises a bolt (7), and the two extension parts (3) are locked by the bolt (7).

5. A mandrel fixing device for bridge construction as claimed in any one of claims 1 to 4, characterized in that: Also includes: A clamping tile seat (11) is detachably provided on opposite sides of the two clamping seats (2), and the clamping tile seat (11) is also arc-shaped.

6. A mandrel fixing device for bridge construction as claimed in claim 5, characterized in that: The inner surface of each clamping seat (2) is provided with a sliding groove, and the side wall of the corresponding clamping shoe seat (11) is provided with a sliding block (12), and the sliding block (12) is slidably connected with the sliding groove.

7. A mandrel fixing device for bridge construction as claimed in claim 6, characterized in that: The side wall of each sliding groove is provided with a guide groove, and the side wall of the sliding block (12) is provided with a guide block (13) slidably connected to the guide groove.

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