Old community wall crack reinforcing device

Abstract

The utility model relates to an old community wall crack reinforcing device which comprises a pair of supporting plates attached to the two sides of a wall, a plurality of strip-shaped grooves are evenly formed in the supporting plates, traction rods are arranged between the corresponding strip-shaped grooves in the supporting plates located on the two sides of the wall, and the traction rods penetrate through the wall. The two ends of the traction rod are sleeved with traction rings, and the traction rings are arranged on the opposite sides of the supporting plates on the two sides. The traction rings on the same supporting plate are arranged in pairs to form a group, and the traction assembly is arranged between the two traction rings in the same group, so that the tensile strength of the fracture surface of the main crack can be recovered.

Description

TECHNICAL FIELD

[0001] The utility model relates to a kind of old community wall crack reinforcing devices, belong to building construction technical field. BACKGROUND

[0002] Concrete crack generally has three states: static crack, active crack, crack in development. According to the state of concrete crack, different concrete crack prevention and treatment methods are generally needed. For example, in the crack in development or active crack, the main crack section is mainly restored to tensile strength, and the prevention and treatment method of pinning is suitable.

[0003] Traditional pinning construction is generally using relatively thin and long metal "stitching U-shaped nail" to cross crack and embed in the groove opened in advance, and fixed by using non-shrinkage mortar or epoxy resin-based adhesive. Patent No. 201821123213.3 discloses a kind of wall crack plugging device, which is repaired by passing U-shaped nail through cover plate and into wall. In this way, the "stitching U-shaped nail" of pinning construction is directly embedded into the two sides of the building body, which is easy to embed and not firm, and cannot well restore the tensile strength of the main crack section. CONTENT OF UTILITY MODEL

[0004] In order to solve the above problems existing in the prior art, the utility model provides an old community wall crack reinforcing device, which can restore the tensile strength of the main crack section.

[0005] The technical scheme of the utility model is as follows:

[0006] An old community wall crack reinforcing device comprises a pair of support plates attached to the two sides of the wall, a plurality of strip-shaped grooves are uniformly formed on the support plates, a traction rod is arranged between the corresponding strip-shaped grooves on the support plates on the two sides of the wall, the traction rod passes through the wall, a traction ring is sleeved on the two ends of the traction rod, and the traction ring is arranged on the side opposite to the two side support plates; the traction rings on the same support plate are arranged in pairs as a group, and a traction assembly is arranged between the two traction rings of the same group.

[0007] The traction assembly comprises a screw rod fixedly connected with the traction ring, the screw rods on the two traction rings are oppositely arranged, a traction sleeve is arranged between the two screw rods, and the two screw rods are threadedly connected to the inside of the two sides of the traction sleeve; two groups of threads with opposite screw directions are arranged in the traction sleeve from the center to the two ends.

[0008] The screw rod is threadedly connected with a nut, and the nut is attached to the traction ring to press the support plate against the surface of the wall.

[0009] The traction sleeve is provided with a polygonal rotating member.

[0010] The rotation hole is arranged on the traction sleeve and used for rotating the traction sleeve.

[0011] The traction ring is in sliding connection with the traction rod.

[0012] The traction ring comprises an abutting section and a pressing section; the abutting section is in abutment with the inner side wall of the strip-shaped slot; and the pressing section is pressed against the surface of the support plate.

[0013] The present application has the following beneficial effects:

[0014] The support plate is attached to the two sides of the wall body, the traction rod is passed through the strip-shaped slot of the support plate, the traction sleeve is in threaded connection with the screw rod, the traction force is generated by rotating the traction sleeve, the tensile strength of the main crack section is recovered, the support plate is fixed, the contact area between the crack reinforcing device and the wall body is increased, and the stability of the wall body structure is improved. BRIEF DESCRIPTION OF DRAWINGS

[0015] Fig. 1 It is a whole structure schematic view of the present application;

[0016] Fig. 2 It is a support plate structure schematic view of the present application;

[0017] Fig. 3 It is a traction assembly installation structure schematic view of the present application;

[0018] Fig. 4 It is a traction sleeve structure schematic view of the present application.

[0019] The reference signs in the drawing represent:

[0020] 1, support plate; 2, strip-shaped slot; 3, traction rod; 4, traction ring; 5, screw rod; 6, traction sleeve; 61, polygonal rotating part; 62, rotation hole; 7, nut. DETAILED DESCRIPTION

[0021] The present application will be described in detail below in combination with the drawing and specific embodiments.

[0022] Please refer to Figs. 1 to 4 , the present application provides a technical solution:

[0023] The utility model relates to an old community wall crack reinforcing device, including a pair of wall body both sides' support plate 1, the even opening of support plate 1 has a plurality of strip groove 2, the strip groove 2 between corresponding of wall body both sides' support plate 1 is evenly provided with traction rod 3, and the traction rod 3 passes through the wall body, and the traction rod 3 both ends are sleeved with traction ring 4, and the traction ring 4 is slidably connected with traction rod 3, and the traction ring 4 is arranged at the opposite side of both sides' support plate 1, the traction ring 4 of same support plate 1 is two by two and is arranged as a group, and the traction ring 4 of same group is provided with traction assembly between two, and the traction rod 3 between the traction assembly of same group and two traction rings 4 forms the mouth character, and the traction assembly includes the screw rod 5 of fixed connection with traction ring 4, and the screw rod 5 on two traction rings 4 is arranged towards each other, and the screw rod 5 between two is provided with traction sleeve 6, and the screw rod 5 is screw connected in the both sides inside of traction sleeve 6, and the inside of traction sleeve 6 is provided with two groups of screw threads of opposite screw thread direction from the center to both ends, and the screw rod 5 of both sides is separated to the center or both ends by rotating traction sleeve 6 to be used to open the distance of two traction rods 3 or draw close, specifically, the distance between the two traction rods 3 is made small, and the tensile strength of the main crack section of the wall body is made greater by the generated tension simultaneously,

[0024] The nut 7 is screw mounted on the traction rod 3, and the nut 7 is attached to the traction ring 4, and is used to press the support plate 1 on the wall surface, so that the support plate 1 is more closely attached to the wall, and the wall is provided with greater support force.

[0025] The polygonal rotating part 61 is arranged on the traction sleeve 6, the polygonal rotating part 61 is matched with a wrench, the wrench can be sleeved on the polygonal rotating part 61 and rotate the traction sleeve 6, the distance between the two traction rods 3 is made small, and the tensile strength of the main crack section of the wall body is made greater by the generated tension simultaneously.

[0026] The rotating hole 62 for rotating the traction sleeve 6 is further arranged on the traction sleeve 6, the reinforcing steel bar or other structure can be inserted into the rotating hole 62 to rotate the traction sleeve 6, and the operation is more convenient.

[0027] The traction ring 4 includes an abutting section and a pressing section, the abutting section abuts against the inner wall of the strip groove 2, and the pressing section is pressed on the surface of the support plate 1, so that the structure of the traction ring 4 is more stable after installation.

[0028] The support plate 1 is a galvanized steel plate.

[0029] The working principle of the above-mentioned old community wall crack reinforcing device is as follows:

[0030] A plurality of through holes are formed on both sides of the wall crack, the traction rod 3 is inserted into the through holes, the traction ring 4 is sleeved on the traction rod 3, the traction sleeve 6 is connected with the screw rod 5 on the traction ring 4 on both sides of the crack at both ends, then the nut 7 is installed at both ends of the traction rod 3, is not locked, the traction sleeve 6 is rotated, the traction rod 3 generates a traction force on the wall to play a role of restoring the tensile strength of the main crack section;

[0031] When the position of the traction sleeve 6 is adjusted, the nut 7 is tightened, a pair of the support plates 1 are tightly attached to the wall, the wall structure is more stable, has greater supporting force and tensile resistance; finally, the cement is poured; if used for the roof, the asphalt can be laid after the cement is poured to play a waterproof role.

[0032] The above only describes the embodiments of the present application, and does not limit the patent range of the present application, any equivalent structure or equivalent process transformation using the content of the present application specification and drawings, or direct or indirect application in other related technical fields, are also included in the patent protection range of the present application.

Claims

1. A device for reinforcing wall cracks in old communities, comprising a pair of support plates (1) attached to both sides of the wall, characterized in that: A plurality of strip-shaped grooves (2) are evenly arranged on the support plate (1), a traction rod (3) is arranged between the corresponding strip-shaped grooves (2) on the support plates (1) on the two sides of the wall body, the traction rod (3) penetrates the wall body, a traction ring (4) is arranged at the two ends of the traction rod (3), and the traction rings (4) are arranged on the sides away from the two sides of the wall body; the traction rings (4) on the same support plate (1) are arranged in pairs as a group, and a traction assembly is arranged between the two traction rings (4) in the same group.

2. The device for reinforcing wall cracks in an old community according to claim 1, characterized in that: The traction assembly comprises a screw rod (5) fixedly connected with the traction ring (4), the screw rods (5) on the two traction rings (4) are oppositely arranged, a traction sleeve (6) is arranged between the two screw rods (5), and the two screw rods (5) are threadedly connected to the inside of the two sides of the traction sleeve (6); the inside of the traction sleeve (6) is provided with two groups of threads with opposite screwing directions from the center to the two ends.

3. The device for reinforcing wall cracks in old community according to claim 2, characterized in that: A nut (7) is threadedly installed on the traction rod (3); the nut (7) is attached to the traction ring (4) and is used for pressing the support plate (1) against the surface of the wall body.

4. The device for reinforcing wall cracks in old community according to claim 3, characterized in that: A polygonal rotating piece (61) is arranged on the traction sleeve (6).

5. The device for reinforcing wall cracks in old community, according to claim 4, wherein: A rotating hole (62) for rotating the traction sleeve (6) is arranged on the traction sleeve (6).

6. The device for reinforcing wall cracks in old community, according to claim 5, wherein: The traction ring (4) is in sliding connection with the traction rod (3).

7. The device for reinforcing wall cracks in old community, according to claim 6, characterized in that: The traction ring (4) comprises an abutting section and a pressing section; the abutting section is in abutment with the inner side wall of the strip-shaped groove (2); and the pressing section is pressed against the surface of the support plate (1).

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