Adjustable horizontal cross rod of disc buckle support
Technical Field
The utility model relates to the technical field of building construction, in particular to an adjustable horizontal cross rod of a plate buckle bracket.
Background
The cast-in-situ box girder technology has the advantages of low cost and convenience in construction, is widely applied to bridge engineering project implementation, improves the construction efficiency, quality and safety of the cast-in-situ box girder due to the advantages of high strength, high stability, rapid assembly and the like of the plate buckle support, has cost benefits, is a preferred type in the cast-in-situ box girder support, has fixed length and fixed value (60, 90, 120 and 150.) due to the fact that the vertical rod spacing is easily changed due to various factors in site construction, and causes the condition of non-adaptation of horizontal rods.
Therefore, it is necessary to provide an adjustable buckle support horizontal cross bar to solve the above problems.
Disclosure of utility model
The utility model aims to provide an adjustable horizontal cross rod of a plate buckle support, which solves the problems that the horizontal cross rod of the prior plate buckle support provided in the background art is fixed in length and fixed in value (60, 90, 120 and 150.) and the space between vertical rods is easily changed due to various factors in field construction, so that the horizontal rod piece is not adapted.
The technical scheme is that the adjustable horizontal cross rod of the disc buckle support comprises a telescopic component and further comprises buckle joints arranged at two ends of the telescopic component, and bolts matched with the buckle joints, wherein the telescopic component comprises an internal thread pipe, a rotating shaft is rotatably sleeved in the middle of the internal thread pipe, screw rods are sleeved at two ends of the internal thread pipe in a threaded manner, threads at two ends of the internal thread pipe are oppositely rotated, the two buckle joints are fixedly connected with screw rods at adjacent sides respectively, sliding grooves are formed in the middle of the screw rods in the axial direction, limiting rods are sleeved in the sliding grooves in a sliding manner, and adjacent ends of the two limiting rods are fixedly connected with the rotating shaft.
Preferably, the rotation shaft and the two limit rods are integrally formed, the limit rods are hexagonal prisms, and the sliding grooves are matched with the limit rods.
Preferably, both ends of the rotating shaft are fixedly provided with limiting rings in a concentric manner, the sleeve is sleeved outside the rotating shaft in a rotating manner, the sleeve is connected with the internal thread pipe through bolts, both ends of the sleeve are respectively abutted against the two limiting rings, and the outer diameter of the limiting rings is larger than the inner diameter of the sleeve.
Preferably, nuts are sleeved on the screws between the internal thread pipe and the two buckling joints in a threaded mode, and the threads of the nuts and the threads of the screws on the adjacent sides are opposite in screwing direction.
Compared with the prior art, the adjustable horizontal cross rod of the disc buckle support has the advantages that the adjustable horizontal cross rod of the disc buckle support is unique in structure and convenient to use, one end buckle connector is fixed with a vertical rod connecting disc during construction, an inner threaded pipe is rotated to enable a screw rod to be far away from each other until the other end buckle connector is in butt joint with an adjacent vertical rod connecting disc, different vertical rod distances are adapted, length adjustment is achieved, the adaptation problem caused by vertical rod distance change is solved, construction flexibility and standardization are improved, in addition, a nut is further arranged on a telescopic assembly, after the cross rod is installed in place, the nut is rotated to abut against the end face of the inner threaded pipe, and relative rotation between the inner threaded pipe and a rotating shaft caused by vibration is prevented, so that stability of the cross rod is enhanced.
Drawings
FIG. 1 is a schematic front view of the structure of the present utility model;
FIG. 2 is a schematic cross-sectional view of the structure of the present utility model;
FIG. 3 is a schematic perspective view of the screw structure of the present utility model;
Fig. 4 is an enlarged schematic view of the structure of the area a in fig. 3 according to the present utility model.
In the figure, 1, a telescopic component, 11, an internally threaded pipe, 12, a rotating shaft, 13, a screw rod, 14, a limiting rod, 15, a limiting ring, 16, a sleeve, 17, a nut, 2, a buckling joint and 3, and a bolt.
Detailed Description
The utility model will be further described with reference to the drawings and examples.
In the embodiment 1, an adjustable horizontal cross rod of a disc buckle support is provided, the structure is improved directly on the existing horizontal cross rod, as shown in fig. 1-4, the adjustable horizontal cross rod comprises a telescopic assembly 1, buckle joints 2 arranged at two ends of the telescopic assembly 1, and a plug pin 3 matched with the buckle joints 2, the telescopic assembly 1 comprises an inner threaded pipe 11, a rotating shaft 12 is sleeved in the middle of the inner threaded pipe 11 in a rotating mode, screws 13 are sleeved at two ends of the inner threaded pipe 11 in a threaded mode, threads at two ends of the inner threaded pipe 11 are opposite in rotation direction, the rotating shaft 12 is arranged in various modes, for example, limiting rings 15 are fixedly arranged at two ends of the rotating shaft 12 in a concentric mode, for example, the limiting rings 15 are connected with the rotating shaft 12 in a bolt mode, sleeves 16 are sleeved outside the rotating shaft 12 in a rotating mode, the sleeves 16 are connected with the inner threaded pipe 11 in a bolt mode, two ends of the sleeves 16 are respectively abutted against the two limiting rings 15, the outer diameter of the limiting rings 15 is larger than the inner diameter of the sleeves 16, and the telescopic assembly 1 is convenient to install and detach by using the bolt connection.
The two buckling joints 2 are fixedly connected with screw rods 13 on the adjacent sides respectively, sliding grooves are formed in the middle of each screw rod 13 along the axial direction, limiting rods 14 are sleeved in the sliding grooves in a sliding mode, the adjacent ends of the two limiting rods 14 are fixedly connected with a rotating shaft 12, the rotating shaft 12 and the two limiting rods 14 are integrally formed, the limiting rods 14 are hexagonal prisms, the sliding grooves are matched with the limiting rods 14, the positions of the buckling joints 2 at the two ends of the telescopic assembly 1 are kept consistent through the arrangement of the sliding grooves and the limiting rods 14, and the two buckling joints 2 are prevented from shifting in the telescopic process of the telescopic assembly 1.
When a worker uses the cross bar, one of the buckling joints 2 is fixedly connected with a connecting disc on the vertical rod, then the internal threaded pipe 11 is rotated, and the internal threaded pipe 11 drives the two threaded rods 13 to be away from each other through threaded connection, so that the distance between the two buckling joints 2 is increased until the other buckling joint 2 is in butt joint with the connecting disc on the adjacent vertical rod, and the horizontal cross bar is adapted to the change of the space between the vertical rods through the design of the telescopic assembly 1, so that the construction standardization of the disc buckling support is ensured, and the integrity and the safety of the disc buckling support are ensured.
Embodiment 2 the difference between embodiment 2 and embodiment 1 is that as shown in fig. 1, nuts 17 are sleeved on the screws 13 between the internal thread pipe 11 and the two buckling joints 2, and the screw threads of the nuts 17 and the screw threads of the screws 13 on the adjacent sides are opposite, when the two buckling joints 2 are butted with the connecting discs on the adjacent sides, at the moment, the two nuts 17 are rotated, so that the two nuts 17 are tightly butted with the end surfaces of the internal thread pipe 11, and the internal thread pipe 11 and the rotating shaft 12 are prevented from rotating relatively due to vibration.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.