Template is used in anticollision barrier construction
Technical Field
The utility model relates to a template for anti-collision guardrail construction.
Background
In the traditional construction process of the bridge anti-collision guardrail, a guardrail steel template construction method generally adopts a crane to be matched with manual hoisting, and the tension bolt is reinforced by adding an opening support. The construction using the method has the following problems: firstly, the precision control difficulty of the upper and lower heights of the outer template is high, and the fine adjustment of the elevation of the outer template cannot be controlled; and secondly, the outer template of the high-altitude operation guardrail is difficult to hoist, position and reinforce.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a template for anti-collision guardrail construction, wherein in the process of installing the template, a lifted outer template is hung by utilizing an adjusting threaded pull rod, so that the initial positioning of the outer template is favorably realized, and the processes of lifting and initially positioning the outer template are simple and high in safety; furthermore, the accurate regulation and control of the upper and lower height of the outer template can be realized by utilizing the adjusting threaded pull rod, and then the construction quality of the anti-collision guardrail is favorably improved.
The technical scheme adopted by the utility model for solving the technical problems is as follows: the utility model provides a template is used in anticollision barrier construction, includes inner formword, exterior sheathing, positioning adjustment mechanism, a plurality of groups positioning adjustment mechanism along the length direction of inner formword equidistant setting in proper order is on the inner formword lateral wall, each group positioning adjustment mechanism all includes "shape cantilever support pole, upper and lower adjustment mechanism," the vertical pole and the interior sheathing lateral wall fixed connection of shape cantilever support pole, and "the inside wall direction of the horizontal pole vertical direction interior sheathing of shape cantilever support pole, upper and lower adjustment mechanism sets up on the horizontal pole, upper and lower adjustment mechanism can realize the regulation and the location of height about the exterior sheathing.
Preferably, upper and lower adjustment mechanism is including adjusting screw thread pull rod, adjusting nut the fixed lifting hook that sets up of lower extreme of adjusting screw thread pull rod, the upper end of adjusting screw thread pull rod runs through set up in the smooth through-hole on the horizontal pole, adjusting nut sets up adjusting screw thread pull rod upper portion, and is located the horizontal pole top the upper portion of exterior sheathing be provided with lifting hook matched with rings.
Furthermore, the smooth through hole is a long round hole, a limiting slide block is arranged in the smooth through hole, two ends of the limiting slide block are clamped in limiting slide grooves formed in two sides of the smooth through hole, the limiting slide block can freely slide along the length direction of the smooth through hole, and a smooth hole used for adjusting the penetration of the threaded pull rod is formed in the limiting slide block.
Furthermore, two sides of the adjusting nut are symmetrically provided with a force applying rod.
Preferably, an auxiliary reinforcing mechanism is arranged on one side of each group of positioning and adjusting mechanisms, each group of auxiliary reinforcing mechanism comprises an inner fixing rod and an outer fixing rod, the inner fixing rod is fixedly arranged on the outer side wall of the inner template, the outer fixing rod is fixedly arranged on the outer side wall of the outer template and is opposite to the inner fixing rod, the lower ends of the inner fixing rod and the outer fixing rod are respectively provided with a first through hole, the inner template and the outer template are respectively provided with a second through hole opposite to the first through hole, a group of first pair of pull bolts are arranged between the upper ends of the inner fixed rod and the outer fixed rod, the two ends of the first pair of pull bolts are correspondingly clamped in the U-shaped grooves arranged at the upper parts of the inner fixed rod and the outer fixed rod, and a group of second split bolts are arranged between the lower ends of the inner fixed rod and the outer fixed rod, and two ends of each second split bolt correspondingly penetrate through the through holes formed by butting the first through holes and the second through holes.
The utility model has the beneficial effects that: the utility model has simple structure and convenient processing and manufacturing; when the outer template is installed, the outer template can be hung by utilizing the lifting hook at the lower part of the adjusting threaded pull rod, so that the initial installation operation of the outer template is simple, and the safety is high; after the outer template is hoisted, the accurate regulation and control of the upper and lower and left and right positions of the outer template can be realized by utilizing the functions of adjusting the up-down lifting and the left-right sliding of the threaded pull rod, so that the construction quality of the anti-collision guardrail can be improved; utilize first split bolt and second split bolt's supplementary reinforcement function, can improve the connection stability of inner formword and exterior sheathing, provide the guarantee for crash barrier's construction.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are part of the preferred embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is an enlarged view of FIG. 1 at A;
FIG. 3 is an enlarged view of FIG. 1 at B;
in the figure: 1 inner template, 2 outer templates, 21 hanging rings, 31' -shaped cantilever support rods, 311 vertical rods, 312 cross rods, 3121 smooth through holes, 3122 limit sliding blocks, 3123 limit sliding grooves, 32 up-down adjusting mechanisms, 321 adjusting threaded pull rods, 322 adjusting nuts, 3221 stressing rods, 41 inner fixing rods, 42 outer fixing rods, 43 first pair of pull bolts and 44 second pair of pull bolts.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the specific embodiments and accompanying drawings 1-3, and it is obvious that the described embodiments are only a part of the preferred embodiments of the present invention, and not all embodiments. Those skilled in the art can make similar modifications without departing from the spirit of the utility model, and therefore the utility model is not limited to the specific embodiments disclosed below.
The utility model provides a template for anti-collision guardrail construction (as shown in figure 1), which comprises an inner template 1, an outer template 2 and positioning adjusting mechanisms, wherein in the embodiment, the inner template 1 and the outer template 2 are steel templates, a plurality of groups of the positioning adjusting mechanisms are sequentially arranged on the outer side wall of the inner template 1 at equal intervals along the length direction of the inner template 1, each group of the positioning adjusting mechanisms comprises a shape cantilever supporting rod 31 and an up-down adjusting mechanism 32, a vertical rod 311 of the shape cantilever supporting rod 31 is fixedly connected with the outer side wall of the inner template 1, a cross rod 312 of the shape cantilever supporting rod 31 vertically points to the inner side wall direction of the inner template 1, the up-down adjusting mechanism 32 is arranged on the cross rod 312, and the up-down adjusting mechanism 32 can realize the adjustment and the positioning of the up-down height of the outer template 2. In the practical application process of the utility model, firstly, the inner template 1 is fixed, then the outer template 2 is arranged on the up-down adjusting mechanism 32, and after the installation is finished, the up-down adjustment of the height of the outer template 2 can be realized by utilizing the up-down adjusting function of the up-down adjusting mechanism 32, so that the accurate control of the height of the outer template 2 is realized, and the construction quality of the anti-collision guardrail is improved.
In the above embodiment, the specific implementation of the up-down adjusting mechanism 32 is as follows: the up-down adjusting mechanism 32 comprises an adjusting threaded pull rod 321 and an adjusting nut 322, a hook is fixedly arranged at the lower end of the adjusting threaded pull rod 321, the upper end of the adjusting threaded pull rod 321 penetrates through a smooth through hole 3121 formed in the cross rod 312, and no internal thread exists in the smooth through hole 3121, so that the adjusting threaded pull rod 321 can freely rotate in the smooth through hole 3121; the adjusting nut 322 is sleeved on the upper portion of the adjusting threaded pull rod 321 and located above the cross rod 312, the adjusting threaded pull rod 321 can move up and down by rotating the adjusting thread 322, the lifting ring 21 matched with the lifting hook is arranged on the upper portion of the outer template 2, in practical application, the lifting ring 21 on the outer template 2 is hung on the lifting hook on the lower portion of the adjusting threaded pull rod 321, then primary installation of the outer template 2 is achieved, after the outer template 2 is hung, the adjusting nut 322 is rotated according to the design elevation of the outer template 2, and then height positioning of the outer template 2 is achieved; further, in order to facilitate the rotation of the adjusting nut 322, two force applying rods 3221 are symmetrically disposed on two sides of the adjusting nut 322, and the rotation torque of the adjusting nut 322 can be increased by the force applying rods 3221, so as to achieve the smooth rotation of the adjusting nut 322. Further, when the up-down adjusting mechanism 32 is used for adjusting and positioning the outer die plate 2, in order to conveniently adjust and position the front-back position of the outer die plate 2 relative to the inner die plate 1, the smooth through hole 3121 is a long round hole, a limit slider 3122 is arranged in the smooth through hole 3121, two ends of the limit slider 3122 are clamped in limit sliding grooves 3123 arranged at two sides of the smooth through hole 3121, the limit slider 3122 can freely slide along the length direction of the smooth through hole 3121, and a smooth hole for the adjusting threaded pull rod 321 to penetrate is arranged in the limit slider 3122; the position of the threaded pull rod 321 is adjusted by moving the position limiting slide block 3122 in the smooth through hole 3121, so that the front and back positions of the outer template 2 relative to the inner template 1 are moved; through the limiting effect of the limiting sliding block 3122 on the adjusting threaded pull rod 321, the swing amplitude of the adjusting threaded pull rod 321 can be greatly reduced, and therefore the improvement of the positioning accuracy of the outer template 2 is facilitated.
In practical application, after the position of the outer formwork 2 is located, in order to improve the relative stability between the outer formwork 2 and the inner formwork 1, an auxiliary reinforcing mechanism is arranged on one side of each set of the positioning and adjusting mechanism, each set of the auxiliary reinforcing mechanism comprises an inner fixing rod 41 and an outer fixing rod 42, the inner fixing rod 41 is fixedly arranged on the outer side wall of the inner formwork 1, the outer fixing rod 42 is fixedly arranged on the outer side wall of the outer formwork 2 and is opposite to the inner fixing rod 41, a first through hole is arranged at the lower end of each of the inner fixing rod 41 and the outer fixing rod 42, a second through hole opposite to the first through hole is arranged on each of the inner formwork 1 and the outer formwork 2, a set of first pair of pull bolts 43 is arranged between the upper ends of the inner fixing rod 41 and the outer fixing rod 42, the two ends of each first pair of pull bolts 43 are correspondingly clamped in the U-shaped grooves 411 arranged at the upper portions of the inner fixing rod 41 and the outer fixing rod 42, a group of second counter bolts 44 are arranged between the lower ends of the inner fixing rod 41 and the outer fixing rod 42, and two ends of each second counter bolt 44 correspondingly penetrate through holes formed by butting the first through hole and the second through hole; the connection stability of the inner formwork 1 and the outer formwork 2 can be further improved by the opposite-pulling processing action of the first opposite-pulling bolt 43 and the second opposite-pulling bolt 44, and the opposite-pulling bolts are common products in the field of building construction, so the structure and the operation principle of the opposite-pulling bolts are not described in detail herein.
In the process of constructing the anti-collision guardrail, the erection operation flow of the utility model is as follows: firstly, hoisting an inner template 1 by using hoisting equipment, fixing the inner template 1 on a welded guardrail reinforcing steel bar net to form a template line type fitting a design curve, and implanting positioning ribs on the outer side of the bottom of the inner template 1 on a bridge deck concrete for fixing; secondly, hanging the outer template 2 on a lifting hook at the lower part of the adjusting threaded pull rod 321 by using lifting, and then positioning the front and back positions and the up and down positions of the outer template 2 by using the up and down adjusting mechanism 32; thirdly, after the position of the outer template 2 is adjusted, the first pair of tie bolts 43 and the second pair of tie bolts 44 are installed at the corresponding auxiliary reinforcing positions, and then the installation and the fixation of the utility model are completed.
In addition to the technical features described in the specification, the technology is known to those skilled in the art.
While the preferred embodiments and examples of the present invention have been described in detail, it will be apparent to those skilled in the art that the utility model is not limited thereto, and that various changes and modifications may be made without departing from the spirit and scope of the utility model.