CN218813794U - A prefabricated slope protection structure - Google Patents

Abstract

The utility model discloses an assembled slope protection structure, which comprises: a cross structure body, which includes four first connecting ends, and each first connecting end is provided with a plurality of vertically arranged first connecting holes; The cross structure is also provided with anchor holes; lattice beams, the two ends of the lattice beams are the second connection ends, and the second connection ends are provided with several vertically arranged second connection holes; A connection assembly, the connection assembly includes a first screw rod, a second screw rod, a top steel plate and a lock nut, the first screw rod is fixedly arranged in the first connection hole, and the second screw rod is fixedly arranged in the In the second connecting hole, the top steel fixing plate is arranged on the top of the first connecting end and the second connecting end, and the tops of the first screw and the second screw rod pass through the top steel fixing plate and are connected with The lock nut is threaded. The assembled slope protection structure is convenient for assembly operation and has high feasibility.

Description

A prefabricated slope protection structure

technical field

The utility model relates to the technical field of slope protection, in particular to an assembled slope protection structure.

Background technique

In the past, mortar block stones and cast-in-place reinforced concrete grid beams were mainly used in slope engineering. Usually, the method of cast-in-place was used for production. The purpose of digging and supporting in time is not conducive to the overall stability of the slope. Based on this, the industry has begun to adopt assembled slope protection structures, such as a prefabricated assembly anchor cable lattice beam ecological slope protection structure with a publication number of CN210177522U, which is composed of cross-shaped prefabricated node components and lattice horizontal and longitudinal beams, and cross-shaped prefabricated The node members and the transverse and longitudinal beams of the lattice structure are connected on both sides by two steel plates, and are fixed by screw rods. However, there are some shortcomings in the existing prefabricated slope protection structure. Grooves are carved on the slope surface, and mechanical equipment is used to hoist the cross-shaped prefabricated node members and lattice beams and longitudinal beams into the grooves one by one. Due to the blocking and limitation of the two side walls of the groove, it is difficult to install the steel plates on both sides, and it is also difficult to It is difficult to insert the screw; in addition, there are dimensional errors in the grooves on the slope surface, resulting in a large range of variation in the distance between the cross-shaped prefabricated node members and the lattice beams and longitudinal beams, making it impossible for the screw and the steel plate to be assembled accordingly ; All the above problems bring inconvenience to the actual construction.

Utility model content

In view of this, the utility model proposes an assembled slope protection structure, which can solve one of the above problems at least to a certain extent.

The technical scheme of the utility model is achieved in that:

A prefabricated slope protection structure, comprising:

A cross structure, which includes four first connection ends, and each first connection end is provided with several vertically arranged first connection holes; the cross structure is also provided with anchor holes;

A lattice beam, the two ends of the lattice beam are the second connecting ends, and the second connecting ends are provided with several vertically arranged second connecting holes;

A connection assembly, the connection assembly includes a first screw rod, a second screw rod, a top steel plate and a lock nut, the first screw rod is fixedly arranged in the first connection hole, and the second screw rod is fixedly arranged in the In the second connecting hole, the top steel fixing plate is arranged on the top of the first connecting end and the second connecting end, and the tops of the first screw and the second screw rod pass through the top steel fixing plate and are connected with The locking nut is threadedly connected, and a gasket is arranged between the locking nut and the top steel fixing plate.

As a further optional solution of the prefabricated slope protection structure, both the cross structure and the lattice beam are prefabricated reinforced concrete structures.

As a further optional solution of the prefabricated slope protection structure, a first step structure is formed on the first connection end of the cross structure, and a second step structure is formed on the second connection end of the lattice beam , the first stepped structure and the second stepped structure are stacked up and down; the first screw and the second screw are both studs on the expansion bolt; The U-shaped hole through which the first screw rod and the second screw rod pass.

As a further option of the assembled slope protection structure, the end surfaces of the first connection end and the second connection end are both planar structures, and the connection assembly also includes a bottom steel plate, and the bottom steel plate The plate is arranged at the bottom of the first connection end and the second connection end, and the bottom ends of the first screw rod and the second screw rod are fixedly connected with the bottom steel plate; the diameter of the first connection hole is the same as that of the Corresponding to the first screw, the diameter of the second connecting hole is 2-3 times that of the second screw, and the gap between the second screw and the second connecting hole is filled with high-strength mortar.

As a further optional solution of the prefabricated slope protection structure, the bottom ends of the first screw and the second screw both pass through the bottom steel fixing plate and are threadedly connected with fixing nuts.

As a further optional solution of the prefabricated slope protection structure, the first screw is pre-embedded in the first connecting hole.

As a further option of the assembled slope protection structure, the lower ends of the first screw and the second screw are welded to the bottom steel plate, and the first screw is pre-embedded in the first in the connecting hole.

As a further optional solution of the prefabricated slope protection structure, high-strength mortar is filled between the end surface of the first connection end and the end surface of the second connection end.

Compared with the prior art, the beneficial effects of the utility model are as follows: the connection assembly is used to connect the first connection end of the cross structure and the second connection end of the lattice beam, wherein the first screw rod and the second screw rod are respectively fixed It is arranged in the first connection hole and the second connection hole. When the cross structure and the lattice beam are hoisted into the groove on the slope, the upper ends of the first screw and the second screw are both facing the groove. The opening direction of the top steel plate can be conveniently arranged on the top of the first connection end and the second connection end, and it is convenient for the worker to screw the lock nut to realize the fixed installation of the top steel support plate; The structure of the connecting components is simple, and the assembled slope protection structure is easy to assemble and operate, and has high feasibility.

Description of drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the accompanying drawings that need to be used in the description of the embodiments or the prior art. Obviously, the accompanying drawings in the following description These are only some embodiments of the utility model, and those skilled in the art can also obtain other drawings based on these drawings without creative work.

Fig. 1 is the structural representation of a kind of assembled slope slope protection structure of embodiment one;

Fig. 2 is the exploded schematic view of the cross structure and the lattice beam of the first embodiment;

3 is a schematic cross-sectional view of the connection between the first connection end and the second connection end in Embodiment 1;

Fig. 4 is the explosion schematic diagram of the cross structure and the lattice beam of the second embodiment;

Fig. 5 is the connection schematic diagram of the first screw rod, the second screw rod and the bottom steel solid plate in embodiment two;

6 is a schematic diagram of the preliminary connection between the first connection end and the second connection end in Embodiment 2;

7 is a schematic diagram of the final connection between the first connection end and the second connection end in Embodiment 2;

Fig. 8 is the connection schematic diagram of the first screw rod, the second screw rod and the bottom steel solid plate in embodiment three;

Fig. 9 is a preliminary connection schematic diagram of the first connection end and the second connection end in the third embodiment;

FIG. 10 is a schematic diagram of the final connection between the first connection end and the second connection end in the third embodiment.

In the figure: 1. cross structure; 11. first connection end; 111. first connection hole; 112. first step structure; 12. anchor hole; 2. lattice beam; 21. second connection end; 211. The second connection hole; 212, the second step structure; 3, the connection assembly; 31, the top steel plate; 311, the U-shaped hole; 32, the first screw rod; 33, the second screw rod; 34, the lock nut; 35, Gasket; 36, bottom steel plate; 37, fixed nut.

Detailed ways

The following will clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, not all of them. Based on the embodiments of the present utility model, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of the present utility model.

In describing the present invention, it should be understood that the terms "upper", "lower", "front", "rear", "vertical", "horizontal", "inner", "outer" etc. indicate orientation Or the positional relationship is based on the orientation or positional relationship shown in the drawings, which is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be configured in a specific orientation, and operation, and therefore cannot be construed as a limitation of the utility model.

In this utility model, unless otherwise specified and limited, terms such as "installation", "connection", "connection" and "fixation" should be understood in a broad sense, for example, it can be a fixed connection or a detachable connection. Connection, or integration; it can be mechanical connection or electrical connection; it can be direct connection or indirect connection through an intermediary, and it can be the internal communication of two components or the interaction relationship between two components. Those of ordinary skill in the art can understand the specific meanings of the above terms in the present utility model according to specific situations.

Embodiment one

Referring to Figures 1-3, an assembled slope protection structure is shown, including a cross structure 1, a lattice beam 2 and a connecting assembly 3, and the cross structure 1 includes four first connecting ends 11, each The first connecting ends 11 are provided with several vertically arranged first connecting holes 111; the cross structure 1 is also provided with anchor holes 12; the two ends of the lattice beam 2 are the second connecting ends 21 , the second connecting end 21 is provided with several vertically arranged second connecting holes 211; the connecting assembly 3 is used to connect the first connecting end 11 and the second connecting end 21, the connecting assembly 3 includes a first screw 32, a second screw 33, a top steel plate 31 and a lock nut 34, the first screw 32 is fixed in the first connecting hole 111, and the second screw 33 is fixed in the In the second connection hole 211, the top steel plate 31 is arranged on the top of the first connection end 11 and the second connection end 21, and the tops of the first screw rod 32 and the second screw rod 33 pass through The top steel fixing plate 31 is screwed to the lock nut 34 , and a gasket 35 is arranged between the lock nut 34 and the top steel fixing plate 31 . Wherein, the lattice beam 2 can be used as a beam or a longitudinal beam.

In this embodiment, the cross structure 1 and the lattice beam 2 are both prefabricated reinforced concrete structures. Wherein, both the cross structure 1 and the lattice beam 2 are reinforced with ordinary steel bars and glass fiber reinforced bars, and the reinforcement ratio ratio (FRI/FRP) of ordinary steel bars and glass fiber reinforced bars is determined according to the soil slope and rock quality. The degree of weathering of the slope is determined. For soil slopes, FRI/FRP is 2/1, and for strongly weathered and moderately weathered rock slopes, FRI/FRP is 1/1 and 2/3, respectively. Ordinary steel bars and glass fiber reinforced bars are arranged at intervals, and stirrups are configured with ordinary steel bars.

In this embodiment, referring to Fig. 2 and Fig. 3, a first step structure 112 is formed on the first connecting end 11 of the cross structure 1, and a second stepped structure 112 is formed on the second connecting end 21 of the lattice beam 2. Step structure 212, the first step structure 112 and the second step structure 212 are stacked up and down; the first screw rod 32 and the second screw rod 33 are studs on the expansion bolt; the top solid steel A U-shaped hole 311 through which the first screw 32 and the second screw 33 pass is formed on the fixing plate.

In the actual application of this embodiment, the lattice beam 2 and the cross structure 1 are hoisted piece by piece into the groove on the slope surface by using mechanical equipment, wherein the first step structure 112 and the second step mechanism are stacked up and down. Set, drive the expansion bolts into the first connecting hole 111 and the second connecting hole 211 respectively to form the first screw 32 and the second screw 33, and then fix the U-shaped hole 311 on the top steel plate 31 Clamped on the top of the first screw 32 and the second screw 33, the U-shaped hole 311 on the top steel plate 31 can adapt to the change of the distance between the first screw 32 and the second screw 33, even if the first screw 32 and the second screw 33 There is a large error between the distance between the first screw 32 and the second screw 33 and the design distance, and it can be assembled smoothly; then the gasket 35 and the lock nut 34 are assembled on the first screw 32 and the second screw. 33, realize the fixation of the top steel solid plate 31, so that the first connection end 11 and the second connection end 21 complete the fixed connection; wherein, the first stepped structure 112 is clamped on the top steel solid The connection between the plate 31 and the second step structure 212 makes the connection between the cross structure 1 and the lattice beam 2 more stable, and can effectively resist the stress when the slope deforms. The above assembly process is simple, easy to operate and highly feasible.

Embodiment two

Referring to Figures 4-7, it shows an assembled slope protection structure, including a cross structure 1, a lattice beam 2 and a connection assembly 3, the cross structure 1 includes four first connection ends 11, each The first connecting ends 11 are provided with several vertically arranged first connecting holes 111; the cross structure 1 is also provided with anchor holes 12; the two ends of the lattice beam 2 are the second connecting ends 21 , the second connecting end 21 is provided with several vertically arranged second connecting holes 211; the connecting assembly 3 is used to connect the first connecting end 11 and the second connecting end 21, the connecting assembly 3 includes a first screw 32, a second screw 33, a top steel plate 31 and a lock nut 34, the first screw 32 is fixed in the first connecting hole 111, and the second screw 33 is fixed in the In the second connection hole 211, the top steel plate 31 is arranged on the top of the first connection end 11 and the second connection end 21, and the tops of the first screw rod 32 and the second screw rod 33 pass through The top steel fixing plate 31 is screwed to the lock nut 34 , and a gasket 35 is arranged between the lock nut 34 and the top steel fixing plate 31 . Wherein, the lattice beam 2 can be used as a beam or a longitudinal beam. The anchor holes 12 are used for installing anchor rods or anchor cables.

In this embodiment, the cross structure 1 and the lattice beam 2 are both prefabricated reinforced concrete structures. Wherein, both the cross structure 1 and the lattice beam 2 are reinforced with ordinary steel bars and glass fiber reinforced bars, and the reinforcement ratio ratio (FRI/FRP) of ordinary steel bars and glass fiber reinforced bars is determined according to the soil slope and rock quality. The degree of weathering of the slope is determined. For soil slopes, FRI/FRP is 2/1, and for strongly weathered and moderately weathered rock slopes, FRI/FRP is 1/1 and 2/3, respectively. Ordinary steel bars and glass fiber reinforced bars are arranged at intervals, and stirrups are configured with ordinary steel bars.

In this embodiment, with reference to Figures 4-7, the end surfaces of the first connecting end 11 and the second connecting end 21 are both planar structures, and the connecting assembly 3 also includes a bottom steel fixing plate 36, and the bottom steel The fixing plate 36 is arranged on the bottom of the first connection end 11 and the second connection end 21, and the bottom ends of the first screw rod 32 and the second screw rod 33 are fixedly connected with the bottom steel fixing plate 36; The diameter of a connecting hole 111 corresponds to the first screw rod 32, the diameter of the second connecting hole 211 is 2-3 times of the second screw rod 33, and the second screw rod 33 is connected to the second connecting hole. The pores between 211 are filled with high-strength mortar. In addition, bottom ends of the first screw rod 32 and the second screw rod 33 pass through the bottom steel plate 36 and are threadedly connected with a fixing nut 37 .

In one implementation of this embodiment, the fixing nut 37 is welded and fixed on the bottom steel plate 36, and after the cross structure 1 and the lattice beam 2 are prefabricated, the first screw rod 32 Insert in the first connecting hole 111, the bottom end of the first screw rod 32 is threadedly connected with the fixing nut 37 on the bottom steel plate 36, at this time the top of the first screw rod 32 is locked with the locking The nut 34 is pre-tightened to prevent the first screw rod 32 from disengaging from the first connection hole 111, and the second screw rod 33 is screwed into the fixing nut 37 on the bottom steel plate 36; The mechanical equipment hangs the cross structure 1, and then hangs the lattice beam 2. Since the diameter of the second connecting hole 211 is 2-3 times that of the second screw 33, even if two cross structures There is a certain error in the distance between 1, and the second screw 33 can be smoothly inserted into the second connecting hole 211; after that, high-strength mortar is injected into the gap between the second screw 33 and the second connecting hole 211, and Inject high-strength mortar between the end face of the first connecting end 11 and the end face of the second connecting end 21; then remove the pre-tightened lock nut 34 on the top of the first screw rod 32, and put the top The steel fixing plate 31 is arranged above the first connection end 11 and the second connection end 21, and then the gasket 35 and the lock nut 34 are assembled on the first screw rod 32 and the second screw rod 33 to realize the top The fixing of the steel fixing plate 31 completes the fixed connection between the first connecting end 11 and the second connecting end 21 .

In another implementation of this embodiment, the fixing nut 37 is welded and fixed on the bottom steel plate 36, and the first screw 32 is pre-buried in the first In the connection hole 111, then the bottom end of the first screw rod 32 is screwed to the fixing nut 37 on the bottom steel plate 36, without pre-tightening the lock nut 34 on the upper end of the first screw rod 32, the subsequent grid The installation of the girder 2 and the installation of the top steel plate 31 can be as above.

In this embodiment, the bottom steel fixing plate 36 is added, and the first connecting end 11 and the second connecting end 21 are clamped by using the bottom steel fixing plate 36 and the top steel fixing plate 31. The connection structure is stable and the assembly process is simple. Even if there is a certain assembly error, the assembly can be successfully completed.

Embodiment three

Referring to Figures 8-10, it shows an assembled slope protection structure, including a cross structure 1, a lattice beam 2 and a connection assembly 3, the cross structure 1 includes four first connection ends 11, each The first connecting ends 11 are provided with several vertically arranged first connecting holes 111; the cross structure 1 is also provided with anchor holes 12; the two ends of the lattice beam 2 are the second connecting ends 21 , the second connecting end 21 is provided with several vertically arranged second connecting holes 211; the connecting assembly 3 is used to connect the first connecting end 11 and the second connecting end 21, the connecting assembly 3 includes a first screw 32, a second screw 33, a top steel plate 31 and a lock nut 34, the first screw 32 is fixed in the first connecting hole 111, and the second screw 33 is fixed in the In the second connection hole 211, the top steel plate 31 is arranged on the top of the first connection end 11 and the second connection end 21, and the tops of the first screw rod 32 and the second screw rod 33 pass through The top steel fixing plate 31 is screwed to the lock nut 34 , and a gasket 35 is arranged between the lock nut 34 and the top steel fixing plate 31 . Wherein, the lattice beam 2 can be used as a beam or a longitudinal beam.

In this embodiment, the cross structure 1 and the lattice beam 2 are both prefabricated reinforced concrete structures. Wherein, both the cross structure 1 and the lattice beam 2 are reinforced with ordinary steel bars and glass fiber reinforced bars, and the reinforcement ratio ratio (FRI/FRP) of ordinary steel bars and glass fiber reinforced bars is determined according to the soil slope and rock quality. The degree of weathering of the slope is determined. For soil slopes, FRI/FRP is 2/1, and for strongly weathered and moderately weathered rock slopes, FRI/FRP is 1/1 and 2/3, respectively. Ordinary steel bars and glass fiber reinforced bars are arranged at intervals, and stirrups are configured with ordinary steel bars.

In this embodiment, the end surfaces of the first connecting end 11 and the second connecting end 21 are both planar structures, and the connecting assembly 3 further includes a bottom steel fixing plate 36, and the bottom steel fixing plate 36 is arranged on the The bottoms of the first connection end 11 and the second connection end 21, the bottom ends of the first screw rod 32 and the second screw rod 33 are fixedly connected with the bottom steel plate 36; the diameter of the first connection hole 111 Corresponding to the first screw 32, the diameter of the second connecting hole 211 is 2-3 times that of the second screw 33, and the gap between the second screw 33 and the second connecting hole 211 is filled There are high-strength mortars. Wherein, the lower ends of the first screw 32 and the second screw 33 are welded to the bottom steel plate 36 , and the first screw 32 is embedded in the first connecting hole 111 .

In practical application of this embodiment, the first screw 32 is pre-embedded in the first connection hole 111 when the cross structure 1 is prefabricated, and the first screw 32, the second screw 33 and the bottom The steel fixing plate 36 is welded to form an integrated structure, and then the cross structure 1 is hoisted by mechanical equipment, and then the lattice beam 2 is hoisted. Since the diameter of the second connecting hole 211 is equal to that of the second screw rod 33 2-3 times, even if there is a certain error in the distance between the two cross structures 1, the second screw 33 can be inserted into the second connection hole 211 smoothly; then the second screw 33 and the second The pores between the connection holes 211 are injected with high-strength mortar, and high-strength mortar is injected between the end surface of the first connection end 11 and the end surface of the second connection end 21; the top steel fixing plate 31 is arranged on the Above the first connection end 11 and the second connection end 21, the gasket 35 and the lock nut 34 are assembled on the first screw rod 32 and the second screw rod 33 to realize the fixing of the top steel fixing plate 31, so that The first connection end 11 and the second connection end 21 are fixedly connected.

Compared with the second embodiment, the third embodiment can achieve basically the same connection stability, and the third embodiment has a simpler structure, more convenient assembly, and higher feasibility.

The above description is only a preferred embodiment of the present utility model, and is not intended to limit the present utility model. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present utility model shall be included in the Within the protection scope of the present utility model.

Claims (8)

1. A prefabricated slope protection structure, characterized in that it comprises: A cross structure, which includes four first connection ends, and each first connection end is provided with several vertically arranged first connection holes; the cross structure is also provided with anchor holes; A lattice beam, the two ends of the lattice beam are the second connecting ends, and the second connecting ends are provided with several vertically arranged second connecting holes; A connection assembly, the connection assembly includes a first screw rod, a second screw rod, a top steel plate and a lock nut, the first screw rod is fixedly arranged in the first connection hole, and the second screw rod is fixedly arranged in the In the second connecting hole, the top steel fixing plate is arranged on the top of the first connecting end and the second connecting end, and the tops of the first screw and the second screw rod pass through the top steel fixing plate and are connected with The locking nut is threadedly connected, and a gasket is arranged between the locking nut and the top steel fixing plate. 2. The assembled slope protection structure according to claim 1, characterized in that, the cross structure and the lattice beams are prefabricated reinforced concrete structures. 3. The assembled slope protection structure according to claim 2, wherein a first step structure is formed on the first connection end of the cross structure, and a step structure is formed on the second connection end of the lattice beam. There is a second step structure, the first step structure and the second step structure are stacked up and down; the first screw and the second screw are both studs on the expansion bolt; the top solid steel plate A U-shaped hole through which the first screw rod and the second screw rod pass is formed. 4. The assembled slope protection structure according to claim 2, wherein the end faces of the first connection end and the second connection end are planar structures, and the connection assembly also includes a bottom steel plate, The bottom steel fixing plate is arranged at the bottom of the first connecting end and the second connecting end, and the bottom ends of the first screw and the second screw are fixedly connected with the bottom steel fixing plate; the first connecting hole The diameter corresponds to the first screw, the diameter of the second connecting hole is 2-3 times that of the second screw, and the gap between the second screw and the second connecting hole is filled with high-strength mortar . 5. The assembled slope protection structure according to claim 4, characterized in that, the bottom ends of the first screw and the second screw both pass through the bottom steel plate and are screwed to the fixing nut . 6. The assembled slope protection structure according to claim 5, characterized in that, the first screw is embedded in the first connecting hole. 7. The assembled slope protection structure according to claim 4, wherein the lower ends of the first screw and the second screw are welded to the bottom steel plate, and the first screw is pre-embedded in the first connecting hole. 8. The assembled slope protection structure according to any one of claims 4-7, characterized in that high-strength mortar is filled between the end surface of the first connection end and the end surface of the second connection end.

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