阅读说明：本技术 混凝土裂缝修复装置及混凝土裂缝修复方法 (Concrete crack repairing device and concrete crack repairing method ) 是由 赵世海 窦国文 谢清忠 张茂林 邓飞 董海涛 冯喜雄 于 2020-07-03 设计创作，主要内容包括：本发明提供了一种混凝土裂缝修复装置及混凝土裂缝修复方法,涉及混凝土施工的技术领域,混凝土裂缝修复装置包括保护壳和吸水件；吸水件设置在保护壳内部；保护壳上设置有开口；吸水件用于承载修复浆体,且吸水件用于在开口处覆盖于混凝土的裂缝位置。施工人员将吸水件置于保护壳内,然后向吸水件上倒入修复浆体,令吸水件承载足够的修复浆体,接着将保护壳的开口处覆盖在裂缝位置,吸水件从开口处与混凝土的裂缝位置抵接,从而令自身吸收的修复浆体渗入至裂缝处。吸水件用于吸收、承载并且释放修复浆体；保护壳起到保护、支撑以及密闭的作用,这样能够保证修复浆体的渗入量,从而有利于加深修复浆体的渗入深度,提高裂缝修复的效果。(The invention provides a concrete crack repairing device and a concrete crack repairing method, and relates to the technical field of concrete construction, wherein the concrete crack repairing device comprises a protective shell and a water absorbing piece; the water absorbing piece is arranged inside the protective shell; an opening is formed in the protective shell; the water absorbing piece is used for bearing and repairing slurry, and the water absorbing piece is used for covering the position of a crack of concrete at the opening. Constructor will absorb water the piece and arrange in the protective housing, then pour into the restoration slurry to absorbing water on, make the piece that absorbs water bear sufficient restoration slurry, cover the opening part of protective housing in the crack position after that, absorb water the piece from the crack position butt of opening part and concrete to make self absorptive restoration slurry permeate to crack department. The water absorbing piece is used for absorbing, carrying and releasing the repair slurry; the protective housing plays the effect of protection, support and inclosed, can guarantee the infiltration volume of restoreing the slurry like this to be favorable to deepening the infiltration degree of restoreing the slurry, improve crack restoration's effect.)

1. A concrete crack repairing device, characterized in that, the concrete crack repairing device includes: a protective shell and a water absorbing piece;

the water absorbing piece is arranged inside the protective shell; an opening is formed in the protective shell; the water absorbing piece is used for bearing and repairing slurry, and the opening is covered at the position of a concrete crack.

2. The concrete crack repairing device according to claim 1, wherein the water absorbing member is a sponge block.

3. The concrete crack repairing device according to claim 2, wherein a seal is provided at the opening.

4. The concrete crack repairing device according to claim 1, wherein the protective shell is provided with an injection hole;

the injection hole is used for communicating the water absorbing piece with the outside.

5. The concrete crack repairing device according to claim 4, further comprising an injector cooperating with the injection hole;

the injector is used for injecting repair slurry to the water absorbing part.

6. The concrete crack repairing device according to claim 1, further comprising a bracket;

the protective housing sets up on the support, just the protective housing with support fixed connection.

7. The concrete crack repairing device according to claim 6, wherein the support comprises a plurality of telescopic rods;

a plurality of the one end of telescopic link respectively with protective housing fixed connection, the other end is used for respectively with ground butt.

8. The concrete crack repairing device according to any one of claims 1 to 7, wherein the repairing slurry is an inorganic aqueous infiltration crystalline material.

9. The concrete crack repairing method is characterized by comprising the following steps:

placing the water absorbing piece in the protective shell, and aligning the opening of the protective shell to the crack position of the concrete so that the water absorbing piece can cover the crack position of the concrete at the opening;

and injecting the repair slurry from the injection hole of the protective shell to the water absorbing part by using the injector so that the crack position of the concrete can be soaked in the repair slurry.

10. The concrete crack repairing method according to claim 9, further comprising, after the step of injecting the repairing slurry from the injection hole of the protective case to the water absorbing member using an injector:

and covering the wet cloth outside the protective shell, and curing the concrete for 0.5-1 day.

Technical Field

The invention relates to the technical field of concrete construction, in particular to a concrete crack repairing device and a concrete crack repairing method.

Background

The machine-made sand concrete has poorer workability than common concrete due to the existence of stone powder and mud powder, but most buildings still adopt the machine-made sand concrete due to the lack of river sand resources in places such as Guangxi, Yunnan and Fujian. Under the conditions of improper maintenance of machine-made sand concrete, unreasonable mixing ratio and the like, the phenomena of cracking and breakage of the machine-made sand concrete occur occasionally after the form is removed, and the occurrence parts are often positioned on the wall body and the vertical face of the pier body.

In the prior art, constructors repair the cracked or damaged part of the concrete by using the repair slurry, and the repair slurry and free alkali in the concrete generate chemical reaction to generate stable dendritic crystal colloid, so that micro cracks and capillary gaps in the concrete can be effectively blocked, and the concrete structure has a lasting waterproof function and better compactness and compressive strength.

At present, the construction is carried out by adopting a brushing mode in the construction process, but the brushing mode can not ensure the infiltration amount of the repair slurry, is not beneficial to deepening the infiltration depth of the repair slurry, and has poor crack repair effect.

Disclosure of Invention

The invention aims to provide a concrete crack repairing device and a concrete crack repairing method, which solve the technical problems that the construction mode of painting in the prior art cannot ensure the infiltration amount of the repairing slurry, is not beneficial to deepening the infiltration depth of the repairing slurry and has poor crack repairing effect.

The invention provides a concrete crack repairing device, which comprises: a protective shell and a water absorbing piece; the water absorbing piece is arranged inside the protective shell; an opening is formed in the protective shell; the water absorbing piece is used for bearing and repairing slurry, and the opening is covered at the position of a concrete crack.

Further, the water absorbing piece is a sponge block.

Further, a sealing member is arranged at the opening.

Further, an injection hole is formed in the protective shell; the injection hole is used for communicating the water absorbing piece with the outside.

Further, the concrete crack repairing device also comprises an injector matched with the injection hole; the injector is used for injecting repair slurry to the water absorbing part.

Further, the concrete crack repairing device also comprises a bracket; the protective housing sets up on the support, just the protective housing with support fixed connection.

Further, the support comprises a plurality of telescopic rods; a plurality of the one end of telescopic link respectively with protective housing fixed connection, the other end is used for respectively with ground butt.

Further, the repair slurry is an inorganic aqueous infiltration crystallization material.

Further, the embodiment of the invention also provides a concrete crack repairing method, which comprises the following steps:

placing the water absorbing piece in the protective shell, and aligning the opening of the protective shell to the crack position of the concrete so that the water absorbing piece can cover the crack position of the concrete at the opening;

and injecting the repair slurry from the injection hole of the protective shell to the water absorbing part by using the injector so that the crack position of the concrete can be soaked in the repair slurry.

Further, after the step of injecting the repair slurry from the injection hole of the protective case to the water absorbent member using the injector, the method further includes:

and covering the wet cloth outside the protective shell, and curing the concrete for 0.5-1 day.

According to the concrete crack repairing device provided by the invention, in the using process, a constructor places the water absorbing piece in the protective shell, then pours the repairing slurry onto the water absorbing piece, so that the water absorbing piece bears enough repairing slurry, then covers the opening of the protective shell at the crack position of concrete, and the water absorbing piece is abutted against the crack position of the concrete from the opening, so that the repairing slurry absorbed by the constructor can permeate into the crack position.

From the above, the absorbent member is used to absorb, carry and release the repair slurry; the protective shell plays a role in protecting and supporting the water absorbing piece; in addition, the protective shell can also play a closed role, and prevent the water in the repair slurry from evaporating. The mode of making the crack soak in repairing the slurry and the setting of protective housing above can guarantee the infiltration volume of repairing the slurry to be favorable to deepening the infiltration degree of repairing the slurry, improve the prosthetic effect of crack.

According to the concrete crack repairing method provided by the invention, in the using process, a constructor places the water absorbing piece 2 in the protective shell 1, then covers the opening 3 of the protective shell 1 at the position of the crack 8 of the concrete 9, the water absorbing piece 2 is abutted against the crack 8 of the concrete 9 from the opening 3, and then the repairing slurry is injected into the water absorbing piece 2 from the injection hole 5 by using a syringe, so that the water absorbing piece 2 bears enough repairing slurry, and the repairing slurry absorbed by the constructor permeates into the crack 8. And finally, covering the outer part of the protective shell 1 with wet cloth to maintain the concrete 9 for 0.5 to 1 day.

As can be seen from the above, in the above method, the absorbent member 2 is used to absorb, carry and release the repair slurry; the protective shell 1 plays a role in protecting and supporting the water absorbing piece 2; in addition, the protective shell 1 can also play a role in sealing, and prevent the water in the repair slurry from evaporating. The mode of making crack 8 soak in the restoration slurry and the setting of protective housing 1 above can guarantee the infiltration capacity of restoration slurry to be favorable to deepening the infiltration degree of restoration slurry, improve the prosthetic effect of crack 8.

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 some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.

FIG. 1 is a schematic diagram illustrating the operation of a concrete crack repairing apparatus according to an embodiment of the present invention;

fig. 2 is a block diagram of steps of a concrete crack repairing method according to an embodiment of the present invention.

Icon: 1-protective shell; 2-a water absorbing member; 3-opening; 4-a seal; 5-injection hole; 6-a scaffold; 7-a telescopic rod; 8-cracking; 9-concrete.

Detailed Description

The technical solutions of the present invention will be described clearly and completely with reference to the following embodiments, and it should be understood that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

FIG. 1 is a schematic diagram illustrating the operation of a concrete crack repairing apparatus according to an embodiment of the present invention; as shown in fig. 1, a concrete crack repairing apparatus according to an embodiment of the present invention includes: a protective shell 1 and a water absorbing member 2; the water absorbing member 2 is arranged inside the protective shell 1; an opening 3 is arranged on the protective shell 1; the absorbent member 2 is intended to carry the repair slurry and the absorbent member 2 is intended to cover the concrete 9 at the location of the crack 8 at the opening 3.

In the concrete crack repairing device provided by the embodiment of the invention, in the using process, a constructor places the water absorbing piece 2 in the protective shell 1, then pours the repairing slurry onto the water absorbing piece 2 to enable the water absorbing piece 2 to bear enough repairing slurry, then covers the opening 3 of the protective shell 1 at the crack 8 of the concrete 9, and enables the water absorbing piece 2 to be abutted against the crack 8 of the concrete 9 from the opening 3, so that the repairing slurry absorbed by the constructor permeates into the crack 8.

As can be seen from the above, the absorbent member 2 is used to absorb, carry and release the repair slurry; the protective shell 1 plays a role in protecting and supporting the water absorbing piece 2; in addition, the protective shell 1 can also play a role in sealing, and prevent the water in the repair slurry from evaporating. The mode of making crack 8 soak in the restoration slurry and the setting of protective housing 1 above can guarantee the infiltration capacity of restoration slurry to be favorable to deepening the infiltration degree of restoration slurry, improve the prosthetic effect of crack 8.

On the basis of the above embodiment, further, the water absorbing member 2 is a sponge block.

The protective shell 1 may be made of wood or plastic. Preferably, waterproof material is selected for use to protective housing 1, can avoid protective housing 1 to absorb the moisture in the restoration slurry like this.

In particular, the sponge mass should be able to fill the interior of the protective casing 1 when dry. When the sponge block is full of repair slurry, the expansion condition can occur, and the protective shell 1 generates pressure on the sponge block and is also beneficial to the repair slurry to be released at the crack 8.

The sponge piece is connected with the protective shell 1 in a detachable mode or the sponge piece is in interference fit with the protective shell 1.

On the premise that the protective shell 1 is matched with the sponge block, the shape and size of the protective shell 1 and the shape and size of the sponge block can be selected according to actual conditions.

In the embodiment, in the use process, the sponge is used as a porous material and has good water absorption effect and water return effect. In addition, the sponge deforms less in a dry or water-absorbing state, and the crack 8 can be covered by the sponge block.

As shown in fig. 1, in addition to the above-mentioned embodiment, a sealing member 4 is further disposed at the opening 3.

Wherein the sealing element 4 is a sealing strip.

The sealing member 4 may also be a rubber ring, which has a size corresponding to the size of the opening 3 of the protective casing 1.

Specifically, the thickness of the rubber ring is 3 mm-6 mm.

Specifically, the protective shell 1 may be provided with a locking groove for locking the sealing element 4. The sealing element 4 can be clamped in the clamping groove, so that the sealing element is fixedly connected with the protective shell 1.

Further, the sealing member 4 may be bonded to the protective case 1. The bonding connection mode can further improve the sealing performance of the device and prevent the device from leaking water.

In this embodiment, in the work progress, sealing member 4 is located between 1 border of protective housing and the 9 surfaces of concrete, and the setting of sealing member 4 can improve the sealing performance of protective housing 1, prevents the waste of the restoration slurry that protective housing 1 leaked the water and leads to improve the prosthetic effect of crack 8.

As shown in fig. 1, on the basis of the above embodiment, further, an injection hole 5 is provided on the protective shell 1; the injection hole 5 is used to communicate the absorbent member 2 with the outside.

Wherein, the diameter of the injection hole 5 is 3 mm.

In this embodiment, in the work progress, constructor can place protective housing 1 and water absorption part 2 in the restoration position of predetermineeing earlier, then at injection hole 5 department to water absorption part 2 injection restoration slurry to place the evaporation of water in the restoration slurry better. In addition, in the repairing process, a constructor can also inject repairing slurry to the water absorbing piece 2 at the injection hole 5 so as to supplement the repairing slurry.

On the basis of the above embodiment, further, the concrete crack repairing device further comprises an injector matched with the injection hole 5; the injector is used to inject the repair slurry into the absorbent member 2.

Wherein, the size of the injection hole 5 is subject to matching with a syringe.

In this embodiment, the setting of syringe can make constructor convenient and fast's injection repair slurry more to can be more accurate control the injection volume.

As shown in fig. 1, on the basis of the above embodiment, further, the concrete crack repairing device further comprises a bracket 6; the protective housing 1 is arranged on the bracket 6, and the protective housing 1 is fixedly connected with the bracket 6.

The protective shell 1 and the bracket 6 may be welded or bonded, etc.

Specifically, the protective shell 1 is provided with a groove for clamping the support 6, and in the using process, the support 6 is clamped in the groove to support the protective shell 1.

Further, the bracket 6 may be detachably and fixedly connected with the protective case 1.

Wherein, the bracket 6 and the protective shell 1 can be in bolt connection or snap connection, etc.

Specifically, the protective housing 1 is provided with a connecting sheet, and the connecting sheet and the support 6 are respectively provided with a first threaded hole and a second threaded hole for penetrating through a fixing bolt. In the use, constructor with fixing bolt screw in first screw hole and the second screw hole that corresponds in to make support 6 and connection piece fixed connection, thereby make support 6 and protective housing 1 fixed connection.

The detachable connected mode can facilitate the user dismouting change spare part, and in addition, detachable sets up makes support 6 applicable in the protective housing 1 of different specifications, has enlarged support 6's application scope.

In this embodiment, in the construction process, the support 6 can play a role in supporting and fixing the protective casing 1.

As shown in fig. 1, on the basis of the above embodiment, further, the support 6 includes a plurality of telescopic rods 7; one end of a plurality of telescopic links 7 is respectively with protective housing 1 fixed connection, the other end is used for respectively with ground butt.

Wherein, the telescopic link 7 is used for can be provided with anti-skidding gum cover with the one end of ground butt, can improve the stability that support 6 set up like this to better carry out the restoration of crack 8.

In particular, the telescopic rod 7 should be able to be extended or shortened and be able to be fixed in a preset length position.

The telescopic rod 7 may comprise a first sub-rod, a second sub-rod and a fixing bolt; the first sub-rod is hollow and is used for being sleeved outside the second sub-rod, the inner wall of the first sub-rod is provided with internal threads, and the outer wall of the second sub-rod is provided with external threads matched with the internal threads; the first sub-rod is provided with a bolt hole for penetrating a fixing bolt. In the using process, a constructor rotates the second sub-rod to enable the second sub-rod to be screwed into or out of the first sub-rod until the second sub-rod is fixed to a preset position; and then screwing the fixing bolt into the bolt hole, and enabling the fixing bolt to be abutted against the second sub-rod so as to fix the position of the second sub-rod. The fine setting can be realized in the setting of internal thread and external screw thread, and the relative stability that sets up of first sub-pole and second sub-pole can be strengthened in fixing bolt's setting.

In this embodiment, in the work progress, constructor adjusts the length of telescopic link 7 to adjust the height of protective housing 1 and water absorption 2, with the cooperation be located not crack 8 of co-altitude. The application range of the device can be enlarged by the arrangement, so that the device is more convenient to use.

On the basis of the above embodiment, further, the repair slurry is an inorganic aqueous infiltration crystallization material.

Wherein, the inorganic water-based infiltration crystallization is also called as inorganic water-based infiltration crystallization waterproof material, because the permanent coagulation DPS belongs to water, the waterproof effect is achieved through infiltration crystallization. In the national standard system, the permanent coagulation DPS is defined as: an aqueous (or aqua, water-based) infiltration crystallization type inorganic waterproof material; DPS, which is an abbreviation of deep penetration crystalline waterproof material, among permanent coagulation DPS.

In the embodiment, the molecules of the inorganic aqueous infiltration crystallization material are smaller, and the inorganic aqueous infiltration crystallization material can better penetrate into the crack 8 of the concrete 9, so that the repairing effect of the crack 8 is better improved.

FIG. 2 is a block diagram illustrating steps of a method for repairing concrete cracks according to an embodiment of the present invention; as shown in fig. 1 and fig. 2, on the basis of the above embodiments, further, an embodiment of the present invention further provides a concrete crack repairing method, including the following steps:

placing the water absorbing piece 2 in the protective shell 1, and aligning the opening 3 of the protective shell 1 to the position of the crack 8 of the concrete 9 so that the water absorbing piece 2 can cover the position of the crack 8 of the concrete 9 at the opening 3;

the repair slurry is injected from the injection hole 5 of the protective shell 1 to the water absorbing member 2 by using an injector so that the crack 8 position of the concrete 9 can be soaked in the repair slurry.

Further, after the step of injecting the repair slurry from the injection hole 5 of the protective case 1 to the water absorbent member 2 by using a syringe, the method further comprises the following steps:

and covering the wet cloth outside the protective shell 1, and curing the concrete 9 for 0.5-1 day.

In the embodiment, in the using process, a constructor places the water absorbing member 2 in the protective shell 1, then covers the opening 3 of the protective shell 1 at the position of the crack 8 of the concrete 9, and the water absorbing member 2 abuts against the crack 8 of the concrete 9 from the opening 3, and then injects repairing slurry into the water absorbing member 2 from the injection hole 5 by using a syringe, so that the water absorbing member 2 bears enough repairing slurry, and the repairing slurry absorbed by the constructor permeates into the crack 8. And finally, covering the outer part of the protective shell 1 with wet cloth to maintain the concrete 9 for 0.5 to 1 day.

As can be seen from the above, in the above method, the absorbent member 2 is used to absorb, carry and release the repair slurry; the protective shell 1 plays a role in protecting and supporting the water absorbing piece 2; in addition, the protective shell 1 can also play a role in sealing, and prevent the water in the repair slurry from evaporating. The mode of making crack 8 soak in the restoration slurry and the setting of protective housing 1 above can guarantee the infiltration capacity of restoration slurry to be favorable to deepening the infiltration degree of restoration slurry, improve the prosthetic effect of crack 8.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.