Crack control structure of ultra-long concrete wall
Technical Field
The utility model relates to the technical field of control structures, in particular to an ultra-long concrete wall crack control structure.
Background
The ultra-long concrete wall crack control structure is suitable for the scene that crack prevention and repair are needed to be carried out on a large or ultra-long concrete wall, and particularly can effectively ensure the structural integrity and durability of the wall in projects such as buildings, bridges, tunnels and the like.
However, the prior art has the following problems:
In the past concrete wall crack repairing process, because lack effective fixed means, injection structure often is difficult to firmly fix in the wall body, leads to the slip casting effect not good, probably initiates new crack even, and in general, the control structure among the prior art is fixed unstable and take place the problem of displacement or droing easily when repairing overlength concrete wall crack by the slip casting.
In view of the above problems, the inventors propose an ultra-long concrete wall crack control structure for solving the above problems.
Disclosure of utility model
The utility model aims to solve the problem of displacement or falling caused by unstable fixation and provides an ultralong concrete wall crack control structure.
In order to solve the technical problems, the technical scheme is that the ultra-long concrete wall crack control structure comprises an injection tube, wherein the outer surface of the injection tube is provided with a fixing mechanism, the fixing mechanism is used for fixing the injection tube in a concrete wall reserved hole, one end of the injection tube is fixedly provided with a connecting mechanism, the connecting mechanism is used for connecting and fixing a grouting tube and the injection tube, the fixing mechanism comprises an expansion ring, the inner surface of the expansion ring is fixedly connected with the outer surface of the injection tube, one side of the expansion ring is fixedly provided with an expansion tube, the outer surface of the expansion tube is provided with a plurality of expansion grooves distributed in an annular array, the outer surface of the injection tube is fixedly provided with moving threads, the outer side of the moving threads is sleeved with a moving tube, one end of the moving tube, which is close to the expansion tube, is fixedly provided with a pushing opening, and one side outer surface of the pushing opening is in sliding fit with the inner surface of the expansion tube.
Preferably, the connecting mechanism comprises a connecting plate, the connecting plate is fixedly sleeved at one end of the injection tube away from the fixing mechanism, an extrusion ring is fixedly arranged at one side of the connecting plate away from the injection tube, a plurality of extrusion grooves distributed in an annular array are formed in the outer surface of the extrusion ring, extrusion threads are formed in the outer surface of the extrusion ring, an extrusion cylinder is sleeved on the outer surface thread of the extrusion threads, a chute is formed in the inner side of the extrusion cylinder, a grouting pipe penetrates through the inner side of the extrusion cylinder, and a grouting port is fixedly formed in one end, close to the extrusion ring, of the grouting pipe.
Compared with the prior art, the utility model has the beneficial effects that:
1. According to the utility model, the injection tube can be firmly fixed in the concrete wall body through the fixing mechanism, the injection tube is effectively prevented from displacement or falling off in the grouting process, meanwhile, the friction force between the injection tube and the wall body is enhanced by the anti-skid patterns on the outer surface of the expansion tube, the fixing stability is further improved, and the manual rotation operation is facilitated by the rotating patterns on the outer surface of the moving tube, so that the fixing mechanism is more convenient and efficient to use.
Drawings
In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of the structure of the present utility model.
Fig. 2 is a schematic structural view of the fixing mechanism of the present utility model.
FIG. 3 is a schematic view of a portion of a connecting mechanism according to the present utility model.
The device comprises a syringe, a fixing mechanism, a connecting mechanism, a expansion ring, a 21 expansion cylinder, a 22 moving screw thread, a 23 moving cylinder, a 24 rotating screw thread, a 25 pushing port, a 26 expansion groove, a 27 anti-skid screw thread, a 28 injection port, a 30 connecting plate, a 31 extrusion ring, a 32 extrusion groove, a 33 grouting port, a 34 chute, a 35 grouting pipe, a 36 extrusion cylinder, a 37 waterproof rubber ring, a 38 extrusion screw thread.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
As shown in fig. 1-3, the utility model provides a crack control structure for a super-long concrete wall, wherein a syringe 1 is used as a core component, a fixing mechanism 2 is arranged on the outer surface of the syringe 1 and used for firmly fixing the whole structure in the concrete wall, one end of the syringe 1 is fixedly connected with a connecting mechanism 3 so as to be connected with grouting equipment or other related components, the fixing mechanism 2 specifically comprises an expansion ring 20 and an expansion cylinder 21, the expansion ring 20 is tightly attached to the outer surface of the syringe 1, the expansion cylinder 21 is fixedly connected to one side of the expansion ring 20, in addition, a movable thread 22 is arranged on the outer surface of the syringe 1, the movable cylinder 23 is connected with the outer surface of the syringe through the thread, and a push opening 25 at one end of the movable cylinder 23 is in sliding fit with the inner surface of the expansion cylinder 21, so that the expansion and the fixing of the fixing mechanism 2 are realized.
The design is connected to the block of injection port 28 and injection tube 1 for grouting material's injection is more convenient, and the change and the maintenance of injection port 28 of also being convenient for simultaneously, equidistant distributed anti-skidding line 27 has strengthened the frictional force between expansion section of thick bamboo 21 and the concrete wall, has improved the stability of fixed establishment 2, removes the rotation line 24 design of section of thick bamboo 23 surface, makes the staff can rotate more easily and remove section of thick bamboo 23, and then adjusts the expansion degree of fixed establishment 2, realizes more accurate fixed effect.
The connecting mechanism 3 comprises a connecting plate 30, the connecting plate 30 is fixedly connected to one end of the injection tube 1 far away from the fixing mechanism 2, the other side of the connecting plate 30 is fixedly provided with an extrusion ring 31, the outer surface of the extrusion ring 31 is provided with an extrusion groove 32 and an extrusion thread 38, the extrusion barrel 36 is connected with the extrusion groove through the thread, the grouting tube 35 penetrates through the inner side of the extrusion barrel 36, and a grouting opening 33 at one end of the grouting tube 35 is matched with the extrusion ring 31 and is used for injecting grouting materials into cracks of a wall body in cooperation with the injection tube 1.
The expansion cylinder 21 and the extrusion ring 31 are made of plastic materials, so that the expansion cylinder 21 and the extrusion ring 31 can be better extruded and expanded to deform, the stability and the effectiveness of fixed connection are improved, the chute 34 and the extrusion ring 31 are matched for use, the grouting pipe 35 can keep a stable position in the grouting process, the deviation of the grouting opening 33 and the leakage of grouting materials are avoided, the waterproof rubber ring 37 on the outer surface of the grouting pipe 35 is designed, the leakage problem of the grouting materials in the grouting process is effectively prevented, and the grouting effect and the durability of a wall are improved.
When the control structure is required to be fixed, the injection tube 1 is inserted into a reserved hole beside a crack of a concrete wall, the movable tube 23 on the rotary fixing mechanism 2 is utilized to push the push opening 25 to move towards the inside of the expansion tube 21 by utilizing the threaded connection relation between the movable thread 22 and the injection tube 1, the expansion tube 21 is extruded to expand along with the deep push opening 25, and meanwhile, the expansion tube 21 can be better attached to the surface of the wall and generate enough friction force due to the design of the expansion groove 26 and the anti-skid threads 27, so that a firm fixing effect is realized;
When grouting materials are required to be injected into wall cracks, firstly, the grouting pipe 35 and the extrusion cylinder 36 are matched with the extrusion ring 31 through the connecting mechanism 3, then, the extrusion cylinder 36 is rotated, the extrusion ring 31 is deformed and bent inwards under the action of the chute 34 by utilizing the threaded connection relation between the extrusion threads 38 and the extrusion ring 31, so that the grouting openings 33 can be limited, at the moment, the grouting materials can enter the injection pipe 1 through the grouting pipe 35 and the grouting openings 33, and then, the grouting materials are injected into the wall cracks, so that the repair and control of the cracks are realized.
It will be apparent to those skilled in the art that various modifications and variations can be made to the present utility model without departing from the spirit or scope of the utility model. Thus, it is intended that the present utility model also include such modifications and alterations insofar as they come within the scope of the appended claims or the equivalents thereof.