Section increasing and reinforcing die for existing building beam-column joint

Abstract

The utility model discloses an existing building beam column joint section increasing and reinforcing die, which relates to the technical field of buildings and comprises a column body, a top plate is arranged at the top of the column body, and positioning grooves are formed in four corners of the top of the top plate. A floor-penetrating anchoring part penetrates through the top of the top plate through a positioning groove, a bottom formwork is arranged at the bottom end of the floor-penetrating anchoring part, and a first mounting hole is formed in the top of the bottom formwork. The bottom formwork and the side formworks are conveniently installed through the floor penetrating anchoring parts, the column bodies and the cross beams are matched to form the pouring space, then concrete is poured into the mold through the positioning grooves, pouring is convenient, meanwhile, the pouring effect is improved, adjustment is conveniently conducted according to the thickness of the column bodies through the supporting mechanisms, and the construction efficiency is improved. And meanwhile, adjustment can be conveniently carried out according to the height of the column body, so that the mold is supported by the supporting mechanism, and the adaptability is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of construction, in particular to a cross-section enlargement and reinforcement mould for beam-column nodes of existing buildings. Background Art

[0002] With the increasing use of buildings, the reinforcement of upper load-bearing structures has become increasingly important, significantly impacting the overall safety of buildings. The proper reinforcement of the core areas of existing beam-column joints is a key concern in the safety field. Common reinforcement methods include increasing the cross-section, bonding steel, and carbon fiber. The latter involves increasing the cross-sectional area and reinforcement of existing components to improve the overall strength and stability of the structure.

[0003] However, there are great limitations in formwork fixation and concrete pouring: pouring is impossible when the formwork is fully enclosed; and when pouring in a semi-enclosed state, it is difficult to control the pouring effect.

[0004] Based on this, a mold for increasing the cross-section and reinforcing the beam-column nodes of existing buildings is now provided to eliminate the disadvantages of the existing devices. Utility Model Content

[0005] The purpose of the utility model is to provide a reinforced mold for increasing the cross-section of existing building beam-column nodes, so as to solve the problem of inconvenience in casting in the background technology.

[0006] To achieve the above objectives, the present invention provides the following technical solutions:

[0007] A cross-section reinforcement mold for existing building beam-column nodes includes a column body, a top plate is provided on the top of the column body, positioning grooves are provided at the four corners of the top of the top plate, a through-floor anchor is passed through the top of the top plate through the positioning groove, a bottom template is provided at the bottom end of the through-floor anchor, a first mounting hole is provided at the top of the bottom template, side templates are placed on the four sides of the top of the bottom template, a second mounting hole is provided on one side of the side template, and a stabilizing mechanism is provided at the bottom of one side of the side template.

[0008] On the basis of the above technical solutions, the present invention also provides the following optional technical solutions:

[0009] In an optional solution: the through-floor anchor includes a fixing member, which passes through the top plate through a positioning groove, and a first connecting steel plate is welded to both sides of the fixing member, and a first bolt is provided on the outside of the first connecting steel plate, and a second connecting steel plate is welded to the bottom end of the fixing member, and a second bolt is provided on the outside of the second connecting steel plate.

[0010] In an optional solution, the fixing member is formed by welding four "J"-shaped steel bars.

[0011] In an optional solution: the fixing part forms a detachable structure with the side template through the cooperation between the first connecting steel plate, the first bolt and the second mounting hole, and the fixing part forms a detachable structure with the bottom template through the cooperation between the second connecting steel plate, the second bolt and the first mounting hole.

[0012] In an optional solution: the stabilizing mechanism includes a back rib, the outer side of the back rib is in contact with the outer side of the side template, both ends of the back rib are provided with a slide groove, and a tension screw is slidably installed inside the slide groove. A clamp is symmetrically provided on one side of the back rib, one end of the tension screw passes through the center point of the clamp, and both ends of the tension screw are threadedly connected with nuts.

[0013] In an optional solution: a supporting mechanism is provided at the bottom of the bottom template.

[0014] In an optional solution: the support mechanism includes a telescopic rod, the outer sleeve of the telescopic rod is provided with a slidably mounted telescopic sleeve, the outer thread of the telescopic sleeve is connected to a knob, the top end of the telescopic rod and the bottom end of the telescopic sleeve are respectively provided with a sliding part and a sliding sleeve, and the sliding part and the sliding sleeve are slidably mounted.

[0015] In an optional solution: the shape of the bottom template is "L"-shaped, and the shape of the side template is "L"-shaped.

[0016] Compared with the prior art, the beneficial effects of the present invention are as follows:

[0017] 1. The utility model facilitates the installation of the bottom formwork and the side formwork by passing through the floor slab anchors, forms a pouring space by the cooperation of the column and the beam, and then pours the concrete into the interior of the mold through the positioning groove, which not only facilitates pouring but also improves the pouring effect.

[0018] 2. The utility model facilitates adjustment according to the thickness of the column and the height of the column through the support mechanism, so that the support mechanism supports the mold and improves adaptability. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic diagram of the overall structure of the utility model.

[0020] Figure 2 This is a schematic diagram of the side template installation structure of the present utility model.

[0021] Figure 3 This is a schematic diagram of the installation structure of the stabilizing mechanism of the present invention.

[0022] Figure 4This is a schematic diagram of the bottom template installation structure of the present utility model.

[0023] Figure 5 This is a schematic diagram of the structure of the floor-penetrating anchor piece of the present invention.

[0024] Figure 6 For the utility model Figure 3 A in the middle is a schematic diagram of the enlarged structure.

[0025] Figure 7 This is a schematic diagram of the support mechanism structure of the present utility model.

[0026] Notes on figure marks: 1. Column; 2. Top plate; 3. Positioning groove; 4. Floor-through anchor; 401. Fixing piece; 402. First connecting steel plate; 403. First bolt; 404. Second connecting steel plate; 405. Second bolt; 5. Bottom template; 6. First mounting hole; 7. Side template; 8. Second mounting hole; 9. Stabilizing mechanism; 901. Back rib; 902. Slide groove; 903. Tension screw; 904. Clamp; 905. Nut; 10. Support mechanism; 1001. Telescopic rod; 1002. Telescopic sleeve; 1003. Knob; 1004. Sliding piece; 1005. Sliding sleeve. DETAILED DESCRIPTION

[0027] In order to make the purpose, technical solutions and advantages of the present invention more clear, the present invention is further described in detail below with reference to the accompanying drawings and embodiments.

[0028] In one embodiment, Figure 1-Figure 7 As shown, the existing building beam-column node enlarged cross-section reinforcement mold includes a column body 1, a top plate 2 is provided on the top of the column body 1, positioning grooves 3 are provided at the four corners of the top of the top plate 2, and a through-floor anchor 4 is passed through the top of the top plate 2 through the positioning groove 3, and the bottom end of the through-floor anchor 4 is provided with a bottom template 5, a first mounting hole 6 is provided on the top of the bottom template 5, side templates 7 are placed on the four sides of the top of the bottom template 5, a second mounting hole 8 is provided on one side of the side template 7, and a stabilizing mechanism 9 is provided at the bottom of one side of the side template 7.

[0029] In this embodiment, the support mechanism 10 is installed on the outside of the column 1, and the original concrete is ground using an angle grinder until its aggregate is exposed and ground flat. The existing building beam-column nodes are measured, and positioning grooves 3 are opened. The floor anchor 4 passes through the positioning grooves 3 to penetrate the top plate 2. The bottom formwork 5 is placed on the top of the support mechanism 10, and side formwork 7 is placed on the four sides of the top of the bottom formwork 5. The bottom formwork 5 and the side formwork 7 are fixed together with the floor anchor 4 to form a pouring space, and the concrete pouring process is carried out through the positioning grooves 3 on the top plate 2.

[0030] In one embodiment, Figure 1 and Figure 5 As shown, the through-floor anchor 4 includes a fixing part 401, and the fixing part 401 passes through the top plate 2 through the positioning groove 3. The two sides of the fixing part 401 are welded with a first connecting steel plate 402, and the outside of the first connecting steel plate 402 is provided with a first bolt 403. The bottom end of the fixing part 401 is welded with a second connecting steel plate 404, and the outside of the second connecting steel plate 404 is provided with a second bolt 405. The first connecting steel plate 402 cooperates with the first bolt 403 to facilitate fixing the fixing part 401 to the side formwork 7, and the second connecting steel plate 404 cooperates with the second bolt 405 to facilitate fixing the fixing part 401 to the bottom formwork 5, thereby completing the installation of the casting mold.

[0031] In one embodiment, Figure 5 As shown, the fixing member 401 is welded by four "J"-shaped steel bars, which has a simple structure and is easy to manufacture.

[0032] In one embodiment, Figure 2 and Figure 3 As shown, the fixing part 401 forms a detachable structure with the side template 7 through the cooperation between the first connecting steel plate 402, the first bolt 403 and the second mounting hole 8, and the fixing part 401 forms a detachable structure with the bottom template 5 through the cooperation between the second connecting steel plate 404, the second bolt 405 and the first mounting hole 6. The detachable structure facilitates the installation or disassembly of the mold, thereby improving practicality.

[0033] In one embodiment, Figure 3 and Figure 6 As shown, the stabilizing mechanism 9 includes a back rib 901, an outer side of the back rib 901 is fitted with an outer side of the side template 7, and both ends of the back rib 901 are provided with a slide groove 902, and a tension screw 903 is slidably installed inside the slide groove 902. A clamp 904 is symmetrically provided on one side of the back rib 901, and one end of the tension screw 903 passes through the center point of the clamp 904. Both ends of the tension screw 903 are threadedly connected with a nut 905, which connects the two back ribs 901 and the side template 7. The outside of the surface template 7 is fitted with two tensioning screws 903 that pass through the back rib 901 through the slide groove 902. Clamps 904 are sleeved on both ends of the tensioning screws 903. The clamps 904 are adapted to the back rib 901. Nuts 905 are then threadedly connected at both ends of the tensioning screws 903. The nuts 905 squeeze the clamps 904, so that the two back ribs 901 squeeze the side template 7, thereby improving the stability of the installation of the side template 7. The mechanism can be adjusted according to columns 1 of different sizes, thereby improving adaptability.

[0034] In one embodiment, Figure 1 and Figure 2 As shown, a supporting mechanism 10 is provided at the bottom of the bottom template 5 , and the supporting mechanism 10 is used to support the components above.

[0035] In one embodiment, Figure 1 and Figure 7 As shown, the support mechanism 10 includes a telescopic rod 1001, and the outer sleeve of the telescopic rod 1001 is provided with a slidably installed telescopic sleeve 1002, and the outer thread of the telescopic sleeve 1002 is connected to a knob 1003, and the top of the telescopic rod 1001 and the bottom of the telescopic sleeve 1002 are respectively provided with a sliding member 1004 and a sliding sleeve 1005, and the sliding member 1004 and the sliding sleeve 1005 are slidably installed. The cooperation between the sliding sleeve 1005 and the sliding member 1004 facilitates the adjustment of the position of the telescopic sleeve 1002 according to the size of the column 1. After the position adjustment is completed, the screws between the sliding sleeve 1005 and the sliding member 1004 are locked. When the overall height of the support mechanism 10 needs to be changed, the knob 1003 is loosened. At this time, the telescopic rod 1001 can slide inside the telescopic sleeve 1002, thereby changing the overall height of the support mechanism 10, which is convenient for adjustment according to the height of the column 1, thereby improving adaptability.

[0036] In one embodiment, Figure 3 and Figure 4 As shown, the bottom template 5 is in an "L" shape, and the side template 7 is in an "L" shape. The two bottom templates 5 are spliced ​​together to form a rectangular groove for the column 1 to pass through. Every two side templates 7 are spliced ​​together to form a surface in the shape of a "concave" for the beam to pass through.

[0037] The above embodiment discloses a mold for increasing the cross-section of the existing building beam-column node reinforcement, wherein the cooperation between the sliding sleeve 1005 and the sliding part 1004 facilitates the adjustment of the position of the telescopic sleeve 1002 according to the size of the column 1. After the position adjustment is completed, the screws between the sliding sleeve 1005 and the sliding part 1004 are locked. When the overall height of the support mechanism 10 needs to be changed, the knob 1003 is loosened. At this time, the telescopic rod 1001 can slide inside the telescopic sleeve 1002, thereby changing the overall height of the support mechanism 10, which is convenient for adjustment according to the height of the column 1. The original concrete is ground with an angle grinder until its aggregate is exposed and ground flat. The existing building beam-column node is measured, a positioning groove 3 is opened, and the floor anchor 4 passes through the positioning groove 3 to penetrate the top plate 2, and the bottom template 5 is placed on the top of the support mechanism 10. The side formwork 7 is placed on the four sides of the top of the bottom formwork 5. The first connecting steel sheet 402 is combined with the first bolt 403 to facilitate the fixing of the fixing part 401 to the side formwork 7. The second connecting steel sheet 404 is combined with the second bolt 405 to facilitate the fixing of the fixing part 401 to the bottom formwork 5, thereby completing the installation of the casting mold. The two back ribs 901 are fitted to the outside of the side formwork 7. Two tensioning screws 903 are used to pass through the back rib 901 through the slide groove 902. Clamps 904 are sleeved at both ends of the tensioning screw 903. The clamps 904 are adapted to the back rib 901. Nuts 905 are threadedly connected at both ends of the tensioning screw 903. The nuts 905 squeeze the clamps 904, so that the two back ribs 901 squeeze the side formwork 7, and the concrete pouring process is carried out through the positioning groove 3 on the top plate 2.

[0038] The above description is merely a specific embodiment of the present application, but the scope of protection of the present application is not limited thereto. Any changes or substitutions that can be easily conceived by a person skilled in the art within the technical scope disclosed in this application should be included in the scope of protection of the present application. Therefore, the scope of protection of the present application should be based on the scope of protection of the claims.

Claims

1. A mold for increasing the cross-section of existing building beam-column joints, comprising a column (1), characterized in that: The top of the column (1) is provided with a top plate (2), and positioning grooves (3) are provided at the four corners of the top of the top plate (2). A through-floor anchor (4) is passed through the top of the top plate (2) through the positioning groove (3). The bottom end of the through-floor anchor (4) is provided with a bottom template (5), and a first mounting hole (6) is provided at the top of the bottom template (5). Side templates (7) are placed on the four sides of the top of the bottom template (5), and a second mounting hole (8) is provided on one side of the side template (7). A stabilizing mechanism (9) is provided at the bottom of one side of the side template (7).

2. The existing building beam-column node cross-section enlargement reinforcement mold according to claim 1 is characterized in that: The through-floor anchoring member (4) comprises a fixing member (401), the fixing member (401) passes through the top plate (2) through a positioning groove (3), a first connecting steel sheet (402) is welded to both sides of the fixing member (401), a first bolt (403) is provided on the outside of the first connecting steel sheet (402), and a second connecting steel sheet (404) is welded to the bottom end of the fixing member (401), and a second bolt (405) is provided on the outside of the second connecting steel sheet (404).

3. The existing building beam-column node cross-section enlargement reinforcement mold according to claim 2 is characterized in that: The fixing member (401) is formed by welding four "J"-shaped steel bars.

4. The existing building beam-column node cross-section enlargement reinforcement mold according to claim 2 is characterized in that: The fixing member (401) forms a detachable structure with the side template (7) through the cooperation between the first connecting steel sheet (402), the first bolt (403) and the second mounting hole (8), and the fixing member (401) forms a detachable structure with the bottom template (5) through the cooperation between the second connecting steel sheet (404), the second bolt (405) and the first mounting hole (6).

5. The existing building beam-column node cross-section enlargement reinforcement mold according to claim 1 is characterized in that: The stabilizing mechanism (9) includes a back rib (901), an outer side of the back rib (901) is fitted with an outer side of the side template (7), both ends of the back rib (901) are provided with a slide groove (902), a tension screw (903) is slidably installed inside the slide groove (902), one side of the back rib (901) is symmetrically provided with a clamping piece (904), one end of the tension screw (903) passes through the center point of the clamping piece (904), and both ends of the tension screw (903) are threadedly connected with a nut (905).

6. The existing building beam-column node cross-section enlargement reinforcement mold according to claim 1 is characterized in that: A supporting mechanism (10) is provided at the bottom of the bottom template (5).

7. The existing building beam-column joint cross-section enlargement reinforcement mold according to claim 6 is characterized in that: The support mechanism (10) comprises a telescopic rod (1001), the outer sleeve of the telescopic rod (1001) is provided with a slidably mounted telescopic sleeve (1002), the outer thread of the telescopic sleeve (1002) is connected to a knob (1003), the top end of the telescopic rod (1001) and the bottom end of the telescopic sleeve (1002) are respectively provided with a sliding member (1004) and a sliding sleeve (1005), and the sliding member (1004) and the sliding sleeve (1005) are slidably mounted.

8. The existing building beam-column joint cross-section enlargement reinforcement mold according to claim 1 is characterized in that: The bottom template (5) is in an "L" shape, and the side template (7) is in an "L" shape.

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