CN218758950U

CN218758950U - External steel pipe for reinforcement

Info

Publication number: CN218758950U
Application number: CN202222881739.0U
Authority: CN
Inventors: 郑涛; 孔德文; 吴辽
Original assignee: Guizhou University
Current assignee: Guizhou University
Priority date: 2022-10-31
Filing date: 2022-10-31
Publication date: 2023-03-28
Anticipated expiration: 2032-10-31

Abstract

The utility model provides a consolidate and use outsourcing steel pipe relates to steel pipe reinforcement technical field. An outsourcing steel pipe for reinforcement, comprising: two curved gusset plates, two above-mentioned gusset plates correspond to set up and form annular reinforcement sleeve pipe, and the even interval of inside wall of every above-mentioned gusset plate sets up a plurality of reinforcements. The application provides a consolidate and use outsourcing steel pipe, the heat that produces when it can reduce outsourcing pipe welding is to being consolidated the influence of pipe fitting, and is not influenced by the impression of consolidating the pressurized steel pipe. In addition, the method can save materials for the steel pipe which needs to greatly improve the compression stability, and the outer sleeve steel pipe can be better fastened on the reinforced compression steel pipe due to cooling shrinkage after welding.

Description

External steel pipe for reinforcement

Technical Field

The utility model relates to a steel pipe reinforcement field particularly, relates to an outsourcing steel pipe for reinforcement.

Background

The steel pipe is usually in a load state when being reinforced by a stressed steel pipe in service, and the heat generated by welding operation directly on the rod piece can cause the over-high temperature of the rod piece to generate large deformation, so that the internal force distribution of the structure is changed, the safety of the structure is threatened, and the deformation of the rod piece is difficult to recover.

The construction methods related to the externally-wrapped steel pipe in the existing steel structure reinforcement design standard (GB 51367-2019) are direct welding, have large heat influence on a belt reinforcement member or a rod piece, and are not suitable for reinforcing a load structure.

Chinese utility model patent for CN202220094500.6 provides a tensile welded steel pipe includes welded steel pipe, the inside circumference of above-mentioned welded steel pipe has been seted up and has been held the inside groove, a serial communication port, the welding seam has been seted up to one side of above-mentioned welded steel pipe, the heat-conducting layer has been cup jointed to the inside of above-mentioned welded steel pipe, the back up coat is all inlayed and installed to each the above-mentioned inside face that holds the inside groove, the bottom fixedly connected with base ring of above-mentioned welded steel pipe, the relative both sides of above-mentioned heat-conducting layer have been seted up the fillet respectively and have been passed through and set up the heat-conducting layer, the back up coat and hold inside groove and welding seam, utilize mutually supporting of several of its people, place the inside of cup jointing welded steel pipe with the heat-conducting layer earlier, adopt current welding equipment to carry out welding operation to the welding seam on its surface, utilize the inside heat-conducting layer of welded steel pipe to conduct the heat rapidly to the welded steel pipe whole, and then effectively avoid the transient heat deformation that takes place in the welding heat-process. But one side is slotted to the dimensional requirement higher, appears easily unable the cup jointing or cup joints the great condition in back space, influences the reinforcement effect, and the welding point temperature is higher in the twinkling of an eye simultaneously, sets up the heat-conducting layer and transmits the heat to by reinforced steel pipe all around, leads to easily by heating steel pipe thermal expansion, and inside steel pipe cooling shrinkage leads to reinforced steel pipe to drop easily after the welding is accomplished.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a consolidate and use outsourcing steel pipe, the heat that produces when it can reduce outsourcing steel pipe welding is to being consolidated the influence of pipe fitting, and is consolidated the impression of pressurized steel pipe and is not influenced. In addition, the method can save materials for the steel pipe which needs to greatly improve the compression stability, and the outer sleeve steel pipe can be better fastened on the reinforced compression steel pipe due to cooling shrinkage after welding.

The embodiment of the utility model is realized like this:

the embodiment of the application provides a consolidate and use outsourcing steel pipe, it includes: two curved gusset plates, two above-mentioned gusset plates correspond to set up and form annular reinforcement sleeve pipe, and the even interval of inside wall of every above-mentioned gusset plate sets up a plurality of reinforcements.

In some embodiments of the present invention, the outer side surface of the reinforcing plate is covered with a reinforcing layer.

In some embodiments of the present invention, the inner sidewall of the reinforcing plate is filled with an adhesive layer.

In some embodiments of the present invention, the reinforcement is a ring-shaped fiber composite reinforcement strip.

In some embodiments of the present invention, the outer side surface of the reinforcing plate is provided with a plurality of reinforcing ribs.

In some embodiments of the present invention, the outer sidewall of the reinforcing plate is provided with a fixing buckle, and the fixing buckle can be connected to the fixing buckle of another reinforcing plate.

The utility model discloses an in some embodiments, fixed slot has been seted up on the above-mentioned gusset plate, and above-mentioned fixed buckle card is located above-mentioned fixed slot, and above-mentioned fixed buckle can be dismantled with above-mentioned gusset plate and be connected.

Compared with the prior art, the embodiment of the utility model has following advantage or beneficial effect at least:

the utility model provides a consolidate and use outsourcing steel pipe, it includes: two curved gusset plates, two above-mentioned gusset plates correspond to set up and form annular reinforcement sleeve pipe, and the even interval of inside wall of every above-mentioned gusset plate sets up a plurality of reinforcements, and above-mentioned reinforcement is the annular rib of putting more energy into, and the outside of being consolidated the steel pipe is located to the reinforcement cover, and above-mentioned gusset plate is fixed in the outside of above-mentioned reinforcement, and two reinforcements correspond the setting, and the junction welds and forms annular reinforcement sleeve pipe. The reinforcement plays the supporting role, makes the gusset plate be consolidated and forms the wall between the steel pipe, forms certain heat dissipation space, and the heat that produces when avoiding welding directly transmits inside by the reinforcement steel pipe, leads to inside steel pipe to take place deformation, endangers structural safety.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

Fig. 1 is a front view of a reinforced externally-wrapped steel pipe provided in an embodiment of the present invention;

fig. 2 is a front view of a fixing plate according to an embodiment of the present invention;

fig. 3 is a front view of another external steel pipe for reinforcement according to an embodiment of the present invention.

Icon: 1-reinforcing plate; 2-a reinforcement; 101-reinforcing ribs; 3, fixing a buckle; 102-fixed card slot.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of the embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the embodiments of the present invention, it should be noted that, if the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship which is usually placed when the product of the present invention is used, the description is only for convenience of description of the present invention and simplification, but the indication or suggestion that the device or element to be referred must have a specific position, be constructed and operated in a specific position, and therefore, the present invention should not be construed as being limited thereto.

Furthermore, the terms "horizontal", "vertical", "overhang" and the like do not require that the components be absolutely horizontal or overhang, but may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.

In the description of the embodiments of the present invention, "a plurality" if present means at least 2.

In the description of the embodiments of the present invention, it should be further noted that unless explicitly stated or limited otherwise, the terms "disposed," "mounted," "connected," and "connected" should be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

Example 1

Referring to fig. 1, the present embodiment provides an externally wrapped steel pipe for reinforcement, which includes: two curved gusset plates 1, two above-mentioned gusset plates 1 correspond to set up and form annular reinforcement sleeve pipe, and the even interval of every above-mentioned gusset plate 1's inside wall sets up a plurality of reinforcements 2.

In the present embodiment, the reinforcing clad steel pipe is a load-bearing axially-compressed steel pipe, and is mainly used for reinforcing the compressed steel pipe. Above-mentioned consolidate and use outsourcing steel pipe includes two curved gusset plates 1, and above-mentioned gusset plate 1 is to forming annular reinforcement sleeve pipe and the outside of being consolidated the steel pipe with setting up, forms the supporting part outside being consolidated the steel pipe, plays the reinforcing action. A plurality of reinforcing members 2 are uniformly arranged on the inner side wall of the reinforcing plate 1 at intervals, and the reinforcing members 2 form stiffening ribs so that a gap is formed between the reinforcing plate 1 and a reinforced steel pipe.

When the reinforcing plate is used, the reinforcing plate 1 is sleeved on a to-be-reinforced compression steel pipe in an outer mode, finally, the semi-split sleeved reinforcing plate 1 is combined into a whole in an intermittent butt welding mode at a gap of the sleeved steel pipe, and the semi-split sleeved reinforcing plate is fastened on the compression steel pipe with reinforcement through cooling and contraction of a welding seam. In the welding process, due to the existence of the inner stiffening ribs, a certain space is formed between the welding line and the surface of the steel pipe to be reinforced for heat dissipation, and the influence of welding heat is reduced. It can be understood that the steel pipe is often in a load state when the axial compression steel pipe is reinforced, and the heat generated by directly welding the steel pipe may cause the steel pipe to have a high temperature and generate large deformation, so that the internal force distribution of the structure is changed, the safety of the structure is threatened, and the deformation of the steel pipe is difficult to recover.

Specifically, the reinforcement 2 is an annular reinforcement strip which is sleeved outside the reinforced steel pipe. Preferably, the reinforcing member 2 may be a fiber composite material.

Example 2

Referring to fig. 2, in this embodiment, on the basis of embodiment 1, a reinforcing layer is coated on an outer side surface of the reinforcing plate 1.

In the present embodiment, the reinforcing layer is used to protect the inner reinforcing plate 1, prevent the surface of the reinforcing plate 1 from contacting the outside air, and avoid oxidation corrosion. Meanwhile, the processing layer can prevent the reinforcing plate 1 from being scratched and abraded, and the service life of the reinforcing plate is influenced. Specifically, the reinforcing layer is an anticorrosive and fireproof coating layer coated on the outer side of the reinforcing plate 1, and the anticorrosive and fireproof coating can be commercially available conforming coating and can be directly coated on the outer side of the reinforcing plate 1, so that the operation is simple.

Further, the reinforcing layer is coated to a thickness of 3mm to 7mm, preferably, 5mm.

When the thickness of the reinforcing layer is smaller than 3mm, the reinforcing layer is thin, and the reinforcing plate 1 inside the reinforcing layer is easily scratched and worn out, so that a good protection effect cannot be achieved. When the thickness of the reinforcing layer exceeds 7mm, the protective effect is not improved any more, but the cost increase is large. The reinforcing layer with the thickness of 5mm can provide a better protection effect, achieves the purposes of corrosion resistance and fire resistance, can control the cost, and avoids the problems that the cost and the weight are increased too much to influence the production and the practicability of products.

Example 3

Referring to fig. 3, in this embodiment, on the basis of the above embodiments, an adhesive layer is filled in the inner side wall of the reinforcing plate 1.

In this embodiment, the bonding layer is filled in the gap between the reinforcing plate 1 and the reinforced steel pipe, so that the reinforcing plate 1 and the reinforced steel pipe can be firmly bonded, the relative sliding between the reinforcing plate 1 and the reinforced steel pipe is prevented, the reinforcing position is changed, and the connection firmness of the reinforcing plate 1 is improved. It can be understood that because the reinforcing member 2 is provided with at reinforcing plate 1 inside wall interval, plays the supporting role, and the temperature is to inside influence of being consolidated the steel pipe when reducing the welding, so reinforcing plate 1 is direct not with being consolidated the steel pipe contact, and there is great space inside, leads to the insecure connection, easy gliding problem, influences the result of use. The bonding layer is arranged to fill the gaps, and the connection stability is improved. Simultaneously, pack the gap between gusset plate 1 and the steel pipe of being consolidated, make gusset plate 1 and the steel pipe of being consolidated form a whole, increase the contact surface of gusset plate 1 and fixed pipe, provide better reinforcement effect, avoid being consolidated the steel pipe and appear crooked, damaged, or the damage such as fracture appears in the gap department of gusset plate 1 and the steel pipe of being consolidated, improvement reinforcement effect.

Optionally, in this embodiment, the adhesive layer is made of steel adhesive. Commercially available steel bonding glue is a two-component and cohesive reaction type structure reinforcing material. The component A and the component B are respectively stored, and when in use, the components are as follows: the component B =2:1, and mixing the components evenly. The building material has the characteristics of no influence on the use space of a building, no change of the appearance of a structural member, uniform stress at a joint, higher cohesion, bonding and shear strength, excellent aging resistance, excellent fatigue performance and the like. Glue steel and glue and fill and cooperate the inside reinforcement 2 of gusset plate 1 after accomplishing, make gusset plate 1 with by consolidating steel pipe firm in connection, improve and consolidate the effect, the pressurized steel pipe reinforcement back that finishes simultaneously, only the diameter grow, brushed anticorrosive, behind the fire retardant coating, the impression is unchangeable basically, does not influence the outward appearance and the practical function by the reinforced pipe steel pipe.

Example 4

Referring to fig. 3, in this embodiment, on the basis of some embodiments, a plurality of reinforcing ribs 101 are disposed on an outer side surface of the reinforcing plate 1.

Specifically, the reinforcing ribs 101 may be linearly arranged along the length direction of the reinforcing plate 1 or annularly arranged along the center of the reinforcing plate 1. The straight line strengthening rib 101 can increase the bearing capacity of 1 rectilinear direction of gusset plate, avoids gusset plate 1 crooked, and annular strengthening rib 101 then can increase the diameter of gusset plate 1, avoids gusset plate 1 to break. During production, linear reinforcing ribs 101 and annular reinforcing ribs 101 can be added simultaneously according to requirements, and reinforcing nets are formed on the outer side walls of the reinforcing plates 1. The reinforcing rib 101 has the advantages that the diameter of the reinforcing plate 1 is increased on the premise of avoiding the increase of weight and cost as much as possible, the maximum bearing capacity of the reinforcing plate 1 is improved, and the reinforcing effect is improved.

Example 5

Referring to fig. 3, in this embodiment, on the basis of some of the above embodiments, a fixing buckle 3 is disposed on an outer side wall of the reinforcing plate 1, and the fixing buckle 3 can be clamped with the fixing buckle 3 of another reinforcing plate 1.

In this embodiment, the fixing buckle 3 is an annular buckle sleeved outside the reinforcing plate 1, and is used for temporarily fixing the two reinforcing plates 1, so as to facilitate the welding operation. During welding, the fixing buckle 3 firmly fixes the fixing plate on the outer side of the reinforced steel pipe, so that the reinforcing plate 1 is prevented from deviating and welding is influenced, and the accuracy of welding is ensured. The fixed buckle 3 is detachably connected with the fixed plate, and the fixed buckle 3 can be detached or reserved according to needs after welding.

Example 6

Referring to fig. 3, in this embodiment, on the basis of some embodiments, the reinforcing plate 1 is provided with a fixing slot 102, the fixing buckle 3 is clamped in the fixing slot 102, and the fixing buckle 3 is detachably connected to the reinforcing plate 1.

The outer surface of the fixing plate is provided with a fixing slot 102 corresponding to the fixing buckle 3. The fixing buckle 3 is clamped in the fixing clamping groove 102, so that the fixing effect is prevented from being influenced by sliding when the fixing buckle 3 is connected. Fixing clamping grooves 102 on the two fixing sliding plates correspond to each other, and the fixing clamping grooves 102 are connected when the fixing buckle 3 is installed, so that the two fixing plates can be butted neatly, the two fixing plates are not prone to dislocation after being fixed, and welding accuracy is guaranteed.

To sum up, the embodiment of the utility model provides a consolidate and use outsourcing steel pipe, it includes: two curved gusset plates 1, two above-mentioned gusset plates 1 correspond to set up and form annular reinforcement sleeve pipe, and the even interval of every above-mentioned gusset plate 1's inside wall sets up a plurality of reinforcements 2. Above-mentioned reinforcement 2 is the annular rib of putting more energy into, and 2 covers of reinforcement are located the outside of being consolidated the steel pipe, and above-mentioned gusset plate 1 is fixed in the outside of above-mentioned reinforcement 2, and two reinforcements 2 correspond the setting, and the junction welds and forms annular reinforcement sleeve pipe. The reinforcing member 2 plays a supporting role, so that the reinforcing plate 1 is separated by being formed between reinforced steel pipes to form a certain heat dissipation space, and the heat generated during welding is prevented from being directly transmitted to the reinforced steel pipes inside, so that the deformation of the steel pipes inside is caused, and the structural safety is endangered.

The bonding layer is used in the inside space of gusset plate 1 to fill, makes gusset plate 1 with be consolidated the steel pipe and be connected closely, avoids sliding or rotating, improves the steadiness of connecting, makes gusset plate 1 and is consolidated the steel pipe and form a whole, increases the contact surface of gusset plate 1 and fixed pipe, provides better reinforcement effect, avoids being consolidated the steel pipe and appears crooked, damaged, or gusset plate 1 and the space department of being consolidated the steel pipe appear breaking, damage such as warp, improve reinforcement effect.

The reinforcing plate 1 is externally provided with a fixing clamping groove 102, and the fixing clamping groove 102 is correspondingly provided with a fixing buckle 3. Fixed buckle 3 is used for interim fixed, is convenient for carry out welding operation, improves welded accuracy. Fixing clamping grooves 102 on the two fixing sliding plates correspond to each other, and the fixing clamping buckles 3 are installed and connected along the fixing clamping grooves 102, so that the two fixing plates can be in butt joint neatly, the two fixing plates are not prone to dislocation after being fixed, the two reinforcing plates 1 are in butt joint neatly after being welded, and the reinforcing effect is improved.

The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a reinforce and use outsourcing steel pipe which characterized in that includes: two curved gusset plates, two the gusset plate corresponds the setting and forms annular reinforcement sleeve pipe, every the even interval of inside wall of gusset plate sets up a plurality of reinforcements.

2. The externally wrapped steel pipe for reinforcement according to claim 1, wherein the outer side surfaces of the reinforcement plates are coated with a reinforcement layer.

3. The outsourcing steel pipe for reinforcement according to claim 1, wherein an adhesive layer is filled in an inner side wall of the reinforcement plate.

4. The externally coated steel pipe for reinforcement according to claim 1, wherein said reinforcing member is an annular fiber composite reinforcing strip.

5. The externally coated steel pipe for reinforcement according to claim 1, wherein a plurality of reinforcing ribs are provided on an outer surface of the reinforcing plate.

6. The outsourcing steel pipe for reinforcement according to claim 1, wherein an outer side wall of the reinforcement plate is provided with a fixing buckle, and the fixing buckle can be clamped with the fixing buckle of another reinforcement plate.

7. The outsourcing steel pipe for reinforcement of claim 6, wherein the reinforcing plate is provided with a fixing clamping groove, the fixing buckle is clamped in the fixing clamping groove, and the fixing buckle is detachably connected with the reinforcing plate.