CN110185140B - Full section connection box device for butt joint of precast concrete columns with limiting self-locking, unlocking and steel bar connection - Google Patents
Full section connection box device for butt joint of precast concrete columns with limiting self-locking, unlocking and steel bar connection Download PDFInfo
- Publication number
- CN110185140B CN110185140B CN201910479207.4A CN201910479207A CN110185140B CN 110185140 B CN110185140 B CN 110185140B CN 201910479207 A CN201910479207 A CN 201910479207A CN 110185140 B CN110185140 B CN 110185140B
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- pipe body
- locking
- steel ball
- bar connection
- butt joint
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 108
- 239000010959 steel Substances 0.000 title claims abstract description 108
- 210000001503 joint Anatomy 0.000 title claims abstract description 28
- 239000011178 precast concrete Substances 0.000 title claims abstract description 18
- 239000000463 material Substances 0.000 claims abstract description 13
- 238000010276 construction Methods 0.000 claims abstract description 8
- 239000004567 concrete Substances 0.000 claims abstract description 7
- 230000005540 biological transmission Effects 0.000 claims description 6
- 230000003014 reinforcing effect Effects 0.000 claims description 5
- 238000004873 anchoring Methods 0.000 claims description 4
- 238000006073 displacement reaction Methods 0.000 claims description 4
- 238000010008 shearing Methods 0.000 claims description 4
- 229910001294 Reinforcing steel Inorganic materials 0.000 abstract description 7
- 238000011065 in-situ storage Methods 0.000 abstract description 4
- 239000011440 grout Substances 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000002427 irreversible effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000004570 mortar (masonry) Substances 0.000 description 1
- 230000002441 reversible effect Effects 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/18—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
- E04B1/20—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts consisting of concrete, e.g. reinforced concrete, or other stonelike material
- E04B1/21—Connections specially adapted therefor
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/18—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
- E04B1/20—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts consisting of concrete, e.g. reinforced concrete, or other stonelike material
- E04B1/21—Connections specially adapted therefor
- E04B1/215—Connections specially adapted therefor comprising metallic plates or parts
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Conveying And Assembling Of Building Elements In Situ (AREA)
- Joining Of Building Structures In Genera (AREA)
Abstract
The invention discloses a full-section connecting box device for butt joint of precast concrete columns, which is used for limiting self-locking, unlocking and steel bar connection, and comprises the following components: an upper part fixedly connected with the prefabricated upper column and a lower part fixedly connected with the prefabricated lower column; the upper part is movably connected with the lower part through a connecting part; the invention provides a column butt joint connection box, which ensures that nodes are equivalently cast-in-situ, grouting materials are only used as filling materials, semi-automatic limiting self-locking of component connection can be completed under the condition of providing external mechanical power in construction, excessive support is not needed, the connection positioning precision of reinforcing steel bars is high, the component connection can be unlocked when a box body gap is not closed, and the column component is detached and replaced, and provides a concrete column butt joint full-section connection box.
Description
Technical Field
The invention belongs to the technical field of connection of assembled building components, and particularly relates to a prefabricated concrete column butt joint full-section connection box capable of limiting self-locking, unlocking and steel bar connection.
Background
In the prefabricated concrete frame structure, in order to ensure the performance of beam column joints, a cast-in-situ structure is still generally adopted. The concrete column adopts dry connection, and still has a plurality of problems, firstly, the strength of the connection node is insufficient to satisfy the requirement of equivalent cast-in-place, secondly, when the steel bars are connected by bolts or mechanical sleeves, the bolts or the sleeves are positioned inaccurately, thirdly, when the steel bars are connected by grouting sleeve slurry, the sleeve is not full in grouting, the mortar is aged and the like, and the structural safety is directly affected. 4. In the construction process, a plurality of components are required to be assembled and supported, whether the installation is in place at present mainly depends on visual judgment of field technicians, the influence of human factors is large, accurate positioning cannot be achieved, the degree of automation is low, and the like.
Disclosure of Invention
The invention solves the problems of the assembled dry connection, provides a column butt joint connection box, ensures that nodes are equivalently cast in situ, and grouting material is only used as a filling material, can finish semi-automatic limiting self-locking of component connection under the condition of providing external mechanical power in construction, does not need excessive support, has high steel bar connection positioning precision, can unlock component connection when a box body gap is not closed, and can finish the disassembly and replacement of column parts.
In order to solve the technical problems, the technical scheme of the invention is as follows:
The full-section connecting box device for butt joint of the precast concrete columns for limiting self-locking, unlocking and steel bar connection comprises:
The technical scheme adopted by the invention is as follows:
The full-section connecting box device for butt joint of the precast concrete columns for limiting self-locking, unlocking and steel bar connection comprises: an upper part fixedly connected with the prefabricated upper column and a lower part fixedly connected with the prefabricated lower column; the upper part is movably connected with the lower part through a connecting part;
The lower part comprises: the steel bar is connected with the grid, the grouting pipe, the pipe body with the bolt and the lower circular pipe body; the left and right ends of lower part are equipped with the bar connection district check respectively, and the middle part of lower part is equipped with cylindric lower pipe body, is equipped with the area bolt body in the lower pipe body, and the front end of taking the bolt body is equipped with the recess, and the left and right ends of lower pipe body pass through grout pipe and bar connection district check fixed intercommunication.
The upper part comprises: the grouting device comprises a steel bar connection area grid, a grouting pipe, an upper circular pipe body and a small upper circular pipe body; the left and right ends of upper portion are equipped with the bar connection district check respectively, and the middle part of upper portion is equipped with cylindric last pipe body, and the left and right ends of going up the pipe body are through grout pipe and bar connection district check fixed intercommunication, go up the pipe body and pass through trompil and little upper pipe body fixed intercommunication.
The connecting member includes: a locking piece and a driving force piece; the locking piece 12 is movably connected with the driving force piece through a spring; the lower round tube body at the lower part is internally provided with a bolt-carrying tube body which is coaxially and movably connected with the steel ball cap and the conical grooved tube body with holes through small openings and openings, the periphery of the upper part of the steel ball cap is fixedly provided with a plurality of grooves with fan-shaped sections, steel balls are arranged in the grooves 27, and the steel balls in the grooves are movably connected with the grooves of the bolt-carrying tube body.
The lock includes: steel balls, springs, steel ball caps, a conical grooved pipe body with holes, a pull rope and a rope tying ring.
The upper part and the lower part of the conical grooved pipe body with the holes are respectively in a round table shape and a cylinder shape, and the top of the conical grooved pipe body with the holes is provided with an opening; the upper part and the lower part of the steel ball cap which are connected into a whole are respectively in a round table shape and a cylinder shape, the periphery of the upper part of the steel ball cap is provided with a plurality of cutting grooves, and the top of the steel ball cap is provided with a small opening corresponding to the opening of the conical grooved pipe body with the hole; the upper part of the steel ball cap is movably sleeved on the upper part of the conical grooved pipe body with the hole, and the lower part of the steel ball cap is correspondingly movably sleeved on the lower part of the conical grooved pipe body with the hole; the front end of the spring is movably connected with a groove arranged in the lower part of the steel ball cap, the rear end of the spring is movably connected with the movable plate, a rope pulling hole is arranged on the movable plate, a rope tying ring is arranged on the inner wall of the upper part of the steel ball cap, the rope tying ring is fixedly connected with a pull rope, and the pull rope is connected with the outside of the prefabricated upper column through the rope pulling hole, the upper round tube body, the grouting tube and the grouting hole.
The driving force piece includes: rack, gear bar, and movable plate; the rack is fixedly connected with the movable plate, the movable plate moves up and down in the upper circular tube body, the rack is movably connected with the gear rod through the opening, the rack moves up and down in the small upper circular tube body, and the gear rod is arranged at the lower end of the small upper circular tube body.
The full section connecting box device or the plurality of settings of the prefabricated concrete column butt joint of spacing auto-lock, unblock and reinforcing bar connection.
The rope is looped on the upper end of the inner side of the steel ball cap, the pull rope hole is formed in the upper end of the movable plate, and the pull rope is pulled out to the right position outside the prefabricated upper column through the grouting pipe.
The upper end opening of the cutting groove is larger than the diameter of the steel ball, and the lower end outlet of the cutting groove is smaller than the diameter of the steel ball.
After the limiting and self-locking of the locking piece is completed, the pipe body of the locking piece can bear section shearing force and is used for bearing the dead weight of the component and construction load.
The upper end opening of the cutting groove and the lower end outlet of the cutting groove are both in a fan shape or a circular shape.
The steel ball part protrudes out of the lower end outlet of the slot, and the steel ball is movably buckled on the lower end outlet of the slot.
The groove of the tube body with the bolt is movably connected with the steel ball at the outlet of the lower end of the convex slot.
The front section of the conical grooved pipe body with the hole on one side is a conical pipe body, the pipe body with the bolt of the locking piece on the other side is a pipe body with the same diameter, when the component is hung in the position, the conical pipe body on one side is inserted into the pipe body with the same diameter on the other side, a certain initial alignment error can be adapted, and finally, the accurate locking piece limiting is completed through the nesting of the rear section of the conical pipe body and the pipe body with the same diameter on the other side.
The grouting material of the grouting pipe only fills the gap of the box body, prevents the vibration displacement of the bolt and the nut and bears the section pressure, but does not bear the tensile force brought by the anchoring steel bar.
The invention has the beneficial effects that:
The invention provides a column butt joint connection box, which ensures that nodes are equivalently cast-in-situ, grouting materials are only used as filling materials, semi-automatic limiting self-locking of component connection can be completed under the condition of providing external mechanical power in construction, excessive support is not needed, the connection positioning precision of reinforcing steel bars is high, the component connection can be unlocked when a gap of a box body is not closed, and a column part is detached and replaced, and the box body is in butt joint with a full section. The reinforcing bars on two sides of the column section are respectively connected with the reinforcing bar connection cells of the connection boxes on each side, the connection boxes on two sides are connected through bolt holes and bolt nuts, grouting materials form a complete loop between the inside of each side box body and the box body through grouting holes and cutting grooves of each part and each cell, gaps in the box body can be fully filled, after the grouting materials are solidified, the bolt and nut can be effectively prevented from vibrating and shifting and bearing section pressure, the connection of the box bodies on the whole section of the column is not reversible any more, and equal cast-in-place of the nodes is ensured.
Drawings
The invention is further described below with reference to the drawings and the detailed description.
Fig. 1 is a front view of an upper junction box of the present invention.
Fig. 2 is a left side view of the upper junction box of the present invention.
Figure 3 is a top view of the upper junction box of the present invention.
Figure 4 is a cross-sectional view of the upper junction box 1-1 of the present invention,
Figure 5 is an isometric view of the upper connector box of the present invention.
Fig. 6 is a front view of the lower connecting box of the present invention.
Fig. 7 shows a top view of the lower connecting box of the present invention.
Figure 8 is a cross-sectional view of the lower connector box 2-2 of the present invention.
Figure 9 is an isometric view of the lower connector box of the present invention.
Fig. 10 is an isometric view of the completed junction box of the present invention.
Fig. 11 is a sectional view of the assembled connection box of the present invention.
Fig. 12 is a disassembled view of the lock of the present invention.
Fig. 13 is an isometric view of the lock of the present invention.
Fig. 14 is a longitudinal cross-sectional view of the lock of the present invention.
FIG. 15 is a cross-sectional view of the lock 3-3 of the present invention.
Detailed Description
According to the invention, as shown in fig. 1-15, the invention comprises: the steel bar connecting area grid 1, a grouting pipe 2, a steel ball cap 3, a pipe body with a bolt 4, a steel ball 5, a spring 6, a rack 7, a gear rod 8, a grouting hole 9, a conical grooved pipe body with holes 10, a driving force piece 11, a locking piece 12, a prefabricated upper column 13, a prefabricated lower column 14, a pull rope hole 15, a pull rope 16, a steel bar 17, a bolt hole 18, a rope tying ring 19, a lower circular pipe body 20, a groove 21, an upper circular pipe body 22, a small upper circular pipe body 23, an opening 24, a small opening 25, an opening 26, a cutting groove 27 and a movable plate 28.
The full-section connecting box device for butt joint of the precast concrete columns for limiting self-locking, unlocking and steel bar connection comprises: an upper part fixedly connected with the prefabricated upper column 13 and a lower part fixedly connected with the prefabricated lower column 14; the upper part is movably connected with the lower part through a connecting part;
The lower part comprises: the steel bar connecting area grid 1, the grouting pipe 2, the pipe body with the bolt 4 and the lower circular pipe body 20; the left and right ends of lower part are equipped with bar connection district check 1 respectively, and the middle part of lower part is equipped with cylindric lower pipe body 20, is equipped with in the lower pipe body 20 and takes bolt body 4, and the front end of taking bolt body 4 is equipped with recess 21, and the left and right ends of lower pipe body 20 pass through grout pipe 2 and bar connection district check 1 fixed intercommunication.
The upper part comprises: the steel bar connecting area grid 1, the grouting pipe 2, the upper round pipe body 22 and the small upper round pipe body 23; the left and right ends of upper portion are equipped with bar connection district check 1 respectively, and the middle part of upper portion is equipped with cylindric last pipe body 22, and the left and right ends of going up pipe body 22 pass through grout pipe 2 and bar connection district check 1 fixed intercommunication, go up pipe body 22 and little last pipe body 23 fixed intercommunication through trompil 24.
The connecting member includes: a lock 12 and a transmission force member 11; the locking piece 12 is movably connected with the transmission force piece 11 through the spring 6; the lower round tube body 20 at the lower part is internally provided with a tube body 4 with a bolt, the tube body is coaxially and movably connected with the steel ball cap 3 and the conical grooved tube body 10 with holes through a small opening 25 and an opening 26, a plurality of cutting grooves 27 with fan-shaped sections are fixedly arranged on the periphery of the upper part of the steel ball cap 3, steel balls 5 are arranged in the cutting grooves 27, and the steel balls 5 in the cutting grooves 27 are movably connected with the grooves 21 of the tube body 4 with the bolt.
The lock 12 includes: the steel ball cap comprises steel balls 5, springs 6, a steel ball cap 3, a conical grooved pipe body 10 with holes, a stay cord 16 and a tether ring 19.
The upper part and the lower part of the conical grooved pipe body 10 with holes connected into a whole are respectively in a round table shape and a cylinder shape, and the top of the conical grooved pipe body 10 with holes is provided with an opening 26; the upper part and the lower part of the steel ball cap 3 which are connected into a whole are respectively in a round table shape and a cylinder shape, the periphery of the upper part of the steel ball cap 3 is provided with a plurality of cutting grooves 27, and the top of the steel ball cap 3 is provided with a small opening 25 which corresponds to the opening 26 of the conical grooved pipe body 10 with holes; the upper part of the steel ball cap 3 is movably sleeved on the upper part of the conical grooved pipe body 10 with holes, and the lower part of the steel ball cap 3 is correspondingly movably sleeved on the lower part of the conical grooved pipe body 10 with holes; the front end of the spring 6 is movably connected with a groove arranged in the lower part of the steel ball cap 3, the rear end of the spring 6 is movably connected with a movable plate 28, a rope pulling hole 15 is arranged on the movable plate 28, a rope tying ring 19 is arranged on the inner wall of the upper part of the steel ball cap 3, the rope tying ring 19 is fixedly connected with a pull rope 16, and the pull rope 16 is connected with the outside of the prefabricated upper column 13 through the rope pulling hole 15, the upper circular tube body 22, the grouting tube 2 and the grouting hole 9.
The transmission force member 11 includes: rack 7, gear bar 8, fly leaf 28; the rack 7 is fixedly connected with the movable plate 28, the movable plate 28 moves up and down in the upper circular tube body 22 in a reciprocating manner, the rack 7 is movably connected with the gear rod 8 through the opening 24, the rack 7 moves up and down in the small upper circular tube body 23 in a reciprocating manner, and the gear rod 8 is arranged at the lower end of the small upper circular tube body 23.
The full section connecting box device or the plurality of settings of the prefabricated concrete column butt joint of spacing auto-lock, unblock and reinforcing bar connection.
The rope tying ring 19 is arranged at the upper end of the inner side of the steel ball cap 3, the rope pulling hole 15 is arranged at the upper end of the movable plate 28, and the rope pulling 16 is pulled out to the right position outside the prefabricated upper column 13 through the grouting pipe 2.
The upper end opening of the cutting groove 27 is larger than the diameter of the steel ball 5, and the lower end outlet of the cutting groove 27 is smaller than the diameter of the steel ball 5.
After the limiting and self-locking of the locking piece 12 is completed, the pipe body of the locking piece 12 can bear section shearing force and is used for bearing the dead weight of a member and construction load.
The upper opening of the slot 27 and the lower outlet of the slot 27 are both fan-shaped or circular.
The steel ball 5 is partially protruded out of the lower end outlet of the cutting groove 27, and the steel ball 5 is movably buckled on the lower end outlet of the cutting groove 27.
The groove 21 of the pipe body 4 with the bolt is movably connected with the steel ball 5 at the outlet of the lower end of the convex slot 27.
The front section of the conical grooved pipe body 10 with holes on one side is a conical pipe body, the pipe body 4 with the bolt of the locking piece on the other side is a pipe body with the same diameter, when the component is hung in the position, the conical pipe body on one side is inserted into the pipe body with the same diameter on the other side, a certain initial alignment error can be adapted, and finally, the accurate locking piece limiting is completed through the nesting of the rear section of the conical pipe body and the pipe body with the same diameter on the other side.
The grouting material of the grouting pipe 2 only fills the gap of the box body, prevents the vibration displacement of the bolts and nuts and bears the section pressure, but does not bear the tensile force brought by the anchoring steel bars.
Working principle:
1. The invention comprises the following steps: the connecting boxes at two sides of the intersecting butt joint section of the precast concrete column components are arranged in the center of the box body, connecting components capable of limiting self-locking and unlocking are arranged at the periphery of the box body, reinforcing steel bar connecting areas 1 and grouting pipes 2 used for connecting box body center locking components are arranged at the periphery of the box body, the box body reinforcing steel bar connecting areas 1 at each side are fixedly connected with reinforcing steel bars connected with precast columns at the corresponding sides respectively, the precast columns are precast together, the components of the columns are connected or removed, limiting self-locking or unlocking of the components is completed through the box body center connecting components, and after limiting self-locking is completed, the reinforcing steel bar connecting areas 1 at the two sides are fixed, so that component connection is completed; the connection box is finally filled with grouting material through the grouting holes 9 to fill the gaps, and irreversible member connection is completed.
2. The components on the connecting box are provided with grouting holes 9 or cutting grooves 27, and form a complete pipeline which penetrates through the components together with the grouting pipe 2; the grouting pipe is manufactured and sleeved according to the size of the cross section of the component.
3. The number of the reinforcing steel bars at the periphery of the box body are connected with the cells 1 and the size of the connecting holes of the box body are manufactured in a standardized mode according to the size of the column; the box body connection is achieved by adopting bolts to penetrate through bolt holes 18 of the two connection boxes and screwing nuts.
4. The box body center is provided with a connecting part capable of limiting self-locking and unlocking, and is divided into a lock part 12 and a driving force part 11, wherein the lock part 12 mainly comprises a steel ball 5, a bolt, a spring 6, a steel ball cap 3, a conical grooved pipe body 10 with holes and the like, and the driving force part 11 comprises a rack 7 and a gear rod 8. The driving force piece 11 provides the internal pushing force for the locking piece by external mechanical power so as to complete the limit self-locking of the section and the external pushing force after unlocking so as to complete the resetting.
5. The grouting material only fills the gap of the box body, prevents the vibration displacement of the bolts and nuts and bears the section pressure, but does not bear the tensile force brought by the anchoring steel bars.
6. The front section of the conical grooved pipe body 10 with holes on one side is a conical pipe body, the pipe body 4 with the bolt of the locking piece 12 on the other side is a pipe body with the same diameter, when the component is hung in place, the conical pipe body is inserted into the pipe body with the same diameter on the other side, a certain error of initial alignment can be adapted, and finally, accurate locking piece limiting is completed through the nesting of the rear section of the conical pipe body and the pipe body with the same diameter on the other side.
7. The locking piece is unlocked by pulling the stay cord thread end pulled out from the grouting hole 9.
8. After the limiting and self-locking of the locking piece 12 is completed, the locking piece pipe body can bear section shearing force and is used for bearing horizontal load and construction load.
9. The periphery of the end head of the upper part of the steel ball cap 3 is annularly provided with a plurality of fan-shaped cutting grooves 27, the cutting grooves 27 are wide at the outer side and narrow at the inner side, and the steel balls 5 can be placed into the cutting grooves 27 and cannot fall into the through holes in the middle part of the steel ball cap 3.
The 10 self-locking mechanism is that after the locking parts at two sides are pushed, the steel balls are clamped with the bolts, when the locking parts at one side are pulled open, the steel balls are always contacted with the narrower part of the conical surface of the conical grooved pipe body under the action of the springs, and finally the locking parts are blocked and can not be pulled out. The unlocking operation is to fix the pull rope 16 and the steel ball cap 5 in advance, pass through the pull rope hole 15 to leave the wire end, and only by pulling the wire end, the steel ball cap and the steel ball can be separated from the narrower conical surface of the pipe body, and the unlocking piece can be smoothly pulled by rotating the gear rod 8, so that the unlocking and resetting are completed.
The embodiments of the present invention have been described in detail above with reference to the accompanying drawings, but the present invention is not limited to the described embodiments. It will be apparent to those skilled in the art that many changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles of the present invention, which still fall within the scope of the invention.
Claims (10)
1. Full section connection box device of spacing auto-lock, unblock and steel bar connection's precast concrete post butt joint, its characterized in that: the full section connector device for butt joint of the precast concrete columns for limiting self-locking, unlocking and steel bar connection comprises: an upper part fixedly connected with the prefabricated upper column (13) and a lower part fixedly connected with the prefabricated lower column (14); the upper part is movably connected with the lower part through a connecting part;
The lower part comprises: the grouting device comprises a steel bar connection area grid (1), a grouting pipe (2), a pipe body with a bolt (4) and a lower circular pipe body (20); the left end and the right end of the lower part are respectively provided with a steel bar connection area grid (1), the middle part of the lower part is provided with a cylindrical lower circular tube body (20), a tube body (4) with a bolt is arranged in the lower circular tube body (20), the front end of the tube body (4) with the bolt is provided with a groove (21), and the left end and the right end of the lower circular tube body (20) are fixedly communicated with the steel bar connection area grid (1) through a grouting tube (2);
the upper part comprises: the grouting device comprises a steel bar connection area grid (1), a grouting pipe (2), an upper circular pipe body (22) and a small upper circular pipe body (23); the left end and the right end of the upper part are respectively provided with a steel bar connection area grid (1), the middle part of the upper part is provided with a cylindrical upper round tube body (22), the left end and the right end of the upper round tube body (22) are fixedly communicated with the steel bar connection area grid (1) through a grouting tube (2), and the upper round tube body (22) is fixedly communicated with a small upper round tube body (23) through an opening (24);
The connecting member includes: a lock (12) and a transmission force member (11); the lock (12) is movably connected with the transmission force piece (11) through a spring (6); the lower round tube body (20) at the lower part is internally provided with a tube body (4) with a bolt, the tube body is coaxially and movably connected with the steel ball cap (3) and the conical grooved tube body (10) with holes through a small opening (25) and an opening (26), a plurality of cutting grooves (27) with fan-shaped sections are fixedly arranged on the periphery of the upper part of the steel ball cap (3), steel balls (5) are arranged in the cutting grooves (27), and the steel balls (5) in the cutting grooves (27) are movably connected with the grooves (21) of the tube body (4) with the bolt;
The lock (12) comprises: the steel ball type rope tying device comprises a steel ball (5), a spring (6), a steel ball cap (3), a conical grooved pipe body (10) with holes, a pull rope (16) and a rope tying ring (19);
the upper part and the lower part of the conical grooved pipe body (10) with the holes are respectively in a round table shape and a cylinder shape, and the top of the conical grooved pipe body (10) with the holes is provided with an opening (26); the upper part and the lower part of the steel ball cap (3) which are connected into a whole are respectively in a round table shape and a cylinder shape, a plurality of cutting grooves (27) are arranged on the periphery of the upper part of the steel ball cap (3), and a small opening (25) is arranged at the top of the steel ball cap (3) and corresponds to an opening (26) of the conical grooved pipe body (10) with holes; the upper part of the steel ball cap (3) is movably sleeved on the upper part of the conical grooved pipe body (10) with the holes, and the lower part of the steel ball cap (3) is correspondingly movably sleeved on the lower part of the conical grooved pipe body (10) with the holes; the front end of the spring (6) is movably connected with a groove arranged in the lower part of the steel ball cap (3), the rear end of the spring (6) is movably connected with a movable plate (28), a rope pulling hole (15) is formed in the movable plate (28), a rope tying ring (19) is arranged on the inner wall of the upper part of the steel ball cap (3), the rope tying ring (19) is fixedly connected with a rope pulling rope (16), and the rope pulling rope (16) is connected with the outside of a prefabricated upper column (13) through the rope pulling hole (15), an upper circular tube body (22), a grouting tube (2) and a grouting hole (9);
the transmission force member (11) comprises: a rack (7), a gear rod (8) and a movable plate (28); the rack (7) is fixedly connected with the movable plate (28), the movable plate (28) moves up and down in the upper circular tube body (22) in a reciprocating manner, the rack (7) is movably connected with the gear rod (8) through the opening (24), the rack (7) moves up and down in the small upper circular tube body (23) in a reciprocating manner, and the gear rod (8) is arranged at the lower end of the small upper circular tube body (23).
2. The full face connecting box device for butt joint of precast concrete columns with limiting self-locking, unlocking and steel bar connection according to claim 1, wherein the device comprises the following components: the full section connecting box device or the plurality of settings of the prefabricated concrete column butt joint of spacing auto-lock, unblock and reinforcing bar connection.
3. The full face connecting box device for butt joint of precast concrete columns with limiting self-locking, unlocking and steel bar connection according to claim 1, wherein the device comprises the following components: the rope tying ring (19) is arranged at the upper end of the inner side of the steel ball cap (3), the rope pulling hole (15) is arranged at the upper end of the movable plate (28), and the pull rope (16) is pulled out to the right position outside the prefabricated upper column (13) through the grouting pipe (2).
4. The full face connecting box device for butt joint of precast concrete columns with limiting self-locking, unlocking and steel bar connection according to claim 1, wherein the device comprises the following components: the upper end opening of the cutting groove (27) is larger than the diameter of the steel ball (5), and the lower end outlet of the cutting groove (27) is smaller than the diameter of the steel ball (5).
5. The full face connecting box device for butt joint of precast concrete columns with limiting self-locking, unlocking and steel bar connection according to claim 1, wherein the device comprises the following components: after limiting and self-locking of the locking piece (12) are completed, the pipe body of the locking piece (12) can bear section shearing force and is used for bearing the dead weight of a member and construction load.
6. The full face connecting box device for butt joint of precast concrete columns with limiting self-locking, unlocking and steel bar connection according to claim 1, wherein the device comprises the following components: the upper end opening of the cutting groove (27) and the lower end outlet of the cutting groove (27) are both in a fan shape or a circular shape.
7. The full face connecting box device for butt joint of precast concrete columns with limiting self-locking, unlocking and steel bar connection according to claim 1, wherein the device comprises the following components: the steel ball (5) is partially protruded out of the lower end outlet of the cutting groove (27), and the steel ball (5) is movably buckled on the lower end outlet of the cutting groove (27).
8. The full face connecting box device for butt joint of precast concrete columns with limiting self-locking, unlocking and steel bar connection according to claim 1, wherein the device comprises the following components: the groove (21) of the pipe body (4) with the bolt is movably connected with the steel ball (5) at the outlet of the lower end of the convex slot (27).
9. The full face connecting box device for butt joint of precast concrete columns with limiting self-locking, unlocking and steel bar connection according to claim 1, wherein the device comprises the following components: the front section of the conical grooved pipe body (10) with the hole on one side is a conical pipe body, the pipe body (4) with the bolt of the locking piece on the other side is a pipe body with the same diameter, when the component is hung and put in place, the conical pipe body on one side is inserted into the pipe body with the same diameter on the other side, a certain initial alignment error can be adapted, and finally the accurate locking piece limiting is completed through the nesting of the rear section of the conical pipe body and the pipe body with the same diameter on the other side.
10. The full face connecting box device for butt joint of precast concrete columns with limiting self-locking, unlocking and steel bar connection according to claim 1, wherein the device comprises the following components: the grouting material of the grouting pipe (2) only fills the gap of the box body, prevents the vibration displacement of the bolt and the nut and bears the section pressure, but does not bear the tensile force brought by the anchoring steel bars.
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| CN201910479207.4A CN110185140B (en) | 2019-05-27 | 2019-05-27 | Full section connection box device for butt joint of precast concrete columns with limiting self-locking, unlocking and steel bar connection |
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| CN110185139B (en) * | 2019-05-27 | 2024-05-17 | 广西建筑材料科学研究设计院有限公司 | Full section connection box device of precast concrete beam column of spacing auto-lock, unblock and reinforcing bar connection |
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