CN108756069B - Method for improving connection efficiency of building steel reinforcement framework - Google Patents
Method for improving connection efficiency of building steel reinforcement framework Download PDFInfo
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- CN108756069B CN108756069B CN201810633560.9A CN201810633560A CN108756069B CN 108756069 B CN108756069 B CN 108756069B CN 201810633560 A CN201810633560 A CN 201810633560A CN 108756069 B CN108756069 B CN 108756069B
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C5/00—Reinforcing elements, e.g. for concrete; Auxiliary elements therefor
- E04C5/16—Auxiliary parts for reinforcements, e.g. connectors, spacers, stirrups
- E04C5/162—Connectors or means for connecting parts for reinforcements
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C5/00—Reinforcing elements, e.g. for concrete; Auxiliary elements therefor
- E04C5/16—Auxiliary parts for reinforcements, e.g. connectors, spacers, stirrups
- E04C5/18—Spacers of metal or substantially of metal
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Abstract
The invention belongs to the technical field of engineering construction, in particular to a method for improving the connection efficiency of a steel bar framework of a building, wherein a steel bar connection sleeve used in the method comprises a shell, a driving bevel gear, a threaded pipe, a bearing and a transition spiral module, wherein the driving bevel gear is symmetrically arranged in two first cylindrical holes; the threaded pipe is rotatably connected in the stepped hole through a bearing; one end of the threaded pipe is provided with conical teeth, and the end face of the other end of the threaded pipe is provided with a threaded blind hole; the end face of the other end of the threaded pipe is fixedly connected with a transition spiral module; the transition spiral module is used for clamping one end of a steel bar and transmitting the steel bar into a thread blind hole of the threaded pipe after the threaded pipe rotates; according to the invention, the transition spiral module is arranged at the end part of the threaded pipe, so that three steel bars directly inserted into the sleeve can be synchronously locked without external clamping; three screwed pipes are driven to rotate by the driving bevel gear, and three steel bars are synchronously locked by one-time clamping.
Description
Technical Field
The invention belongs to the technical field of engineering construction, and particularly relates to a method for improving the connection efficiency of a construction steel bar framework.
Background
In the prior art, concrete methods such as welding, binding and overlapping, mechanical connection and the like can be used for connecting the reinforcing steel bars. The connection of prefabricated reinforced concrete components is usually realized by firstly connecting the reinforcing steel bars and then connecting other parts on the premise. For example, in the connection of prefabricated parts, the reinforcing bars are connected first, and then the peripheral structures such as concrete are cast and connected. If adopt electric welding, need equipment such as electric welding, power cord, its process is complicated, the use is inconvenient, especially when high altitude construction, it is inconvenient to pull equipment such as power cord and electric welding, because the restriction of building site environmental condition, the power cord often can not reach the operation requirement, has caused inconvenience for the construction in building site, and work efficiency is low, wastes time and energy to there is the potential safety hazard. In practical engineering, in consideration of the reliability of the economical efficiency and the performance of the joint, the most used of the three reinforcing steel bar connection modes in the large-diameter reinforcing steel bar connection is the best mechanical connection. In the existing sleeve grouting technology abroad, the connection between the steel bars is realized by using a mode of simultaneously grouting the sleeve, and the constraint of relative slippage between the sleeve and the steel bars is ensured by filling materials; however, because of the limited shear capacity of the fill material, it is necessary to use long sleeves to meet basic performance requirements. It is desirable to obtain a composite sleeve type reinforcing bar connecting device having a better overall technical effect.
Some technical solutions for connecting sleeves of reinforcing steel bars also appear in the prior art, for example, a chinese patent with application number 201711303739.X discloses a device for quickly connecting reinforcing steel bars, which comprises a fixed valve body and a movable valve body, the fixed valve body is connected with a fixed steel bar through a thread of an end cover with a round hole, a limiting block is arranged in the fixed valve body to limit the outside of the steel bar end, and one end of the fixed valve body near the end cover is provided with a strip-shaped hole up and down, a first outer protrusion is arranged in the strip-shaped hole, a groove built-in spring support is arranged between the upper and lower first outer protrusions, a telescopic rod is arranged in the spring, a connecting body is arranged in the movable valve body and is connected and fixed through threads, a steel bar is extruded and fixed between the connecting body and the movable valve body, and the movable valve body and the fixed valve body are provided with holes at the upper part and the lower part corresponding to the compression surface, the movable valve body and the fixed valve body are connected through pins, the connector is externally sleeved with a rubber ring, the inner part of one side of the connector close to the movable valve body is hollow, and one side of the connector close to a reinforcing steel bar is provided with an inner plug in threaded connection with the connector. The method for improving the steel bar connection efficiency in the technical scheme can realize steel bar connection and has a novel principle; but the structure of the reinforcing steel bar connecting device used by the scheme is complex, and the operation is complex, so that the connecting efficiency of the reinforcing steel bar structure is influenced.
Disclosure of Invention
In order to make up for the defects of the prior art, the method for improving the connection efficiency of the steel bar framework of the building, which is provided by the invention, has the advantages that the steel bar connection sleeve used in the method can synchronously lock three steel bars directly inserted into the sleeve without external force clamping by arranging the transition spiral module at the end part of the threaded pipe; three screwed pipes are driven to rotate by the driving bevel gear, and three steel bars are synchronously locked by one-time clamping.
The technical scheme adopted by the invention for solving the technical problems is as follows: the invention relates to a method for improving the connection efficiency of a construction steel bar framework, which comprises the following steps:
the method comprises the following steps: digging a foundation pit, pouring a foundation and reserving a steel bar connecting end;
step two: connecting the reserved steel bar connecting end in the step one with a steel bar framework of the main building through a steel bar connecting sleeve;
step three: paving a template around the steel reinforcement framework connected in the step two;
step four: pouring concrete into the cavity of the template in the third step;
step five: after the concrete in the fourth step is solidified, removing the building surface template;
the steel bar connecting sleeve in the second step comprises a shell, a driving bevel gear, a threaded pipe, a bearing and a transition spiral module, wherein the shell comprises two symmetrical parts, the shell is cylindrical, and a cylindrical cavity is arranged in the shell; two ends of the cylindrical cavity are respectively provided with a first cylindrical hole, and three stepped holes are uniformly distributed on the side wall of the cylindrical cavity; a driving bevel gear is rotatably mounted in the first cylindrical hole; the driving bevel gears are symmetrically arranged in the two first cylindrical holes, and short shafts are arranged at the end parts of the driving bevel gears; the end part of the short shaft is provided with an inner hexagonal concave hole; the bearing outer ring is fixedly connected in the stepped hole; the bearing inner ring is fixedly connected to the middle part of the threaded pipe; one end of the threaded pipe is provided with conical teeth, and the end face of the other end of the threaded pipe is provided with a threaded blind hole; the driving bevel gear is meshed with the conical teeth at the end part of the threaded pipe; the end face of the other end of the threaded pipe is fixedly connected with a transition spiral module; the transition spiral module is used for clamping one end of a steel bar and transmitting the steel bar into a thread blind hole of the threaded pipe after the threaded pipe rotates; during the use, insert transition spiral module to the reinforcing bar, transition spiral module realizes pressing from both sides tight reinforcing bar, insert the interior hexagonal shrinkage pool internal rotation that drives bevel gear minor axis tip with interior hexagonal spanner afterwards, it rotates to drive bevel gear, drive bevel gear passes through gear engagement and drives the screwed pipe and rotate, the screwed pipe drives transition spiral module and rotates, transition spiral module is in the screw thread blind hole of screwed pipe to reinforcing bar transmission, and then realize carrying out the chevron shape between the framework of steel reinforcement and connect, realize three reinforcing bars disect insertion sleeve simultaneously and do not need the external force centre gripping, and can realize synchronous locking.
As a first preferred scheme of the transition spiral module, the transition spiral module comprises a fixed sleeve, a spring, a sliding sleeve, a retaining plate and a locking nut, wherein one end of the fixed sleeve is fixedly connected to the end part of the other end of the threaded sleeve, the inner wall of the other end of the fixed sleeve is connected with one end of the locking nut through a thread, and the middle part of the inner wall of the fixed sleeve is connected with the sliding sleeve in a sliding manner; one end of the sliding sleeve is provided with a spring, and the other end of the sliding sleeve is in contact with the end face of the other end of the locking nut; the inner wall of the sliding sleeve is hinged with one end of the retaining plate, and a torsional spring is arranged at the hinged position; a group of backstop plates are uniformly arranged on the inner wall of the sliding sleeve along the circumferential direction; the retaining plate is an elastic plate; during the use, after the reinforcing bar inserts transition spiral module, the screw thread of reinforcing bar tip is withstood to the stopping board other end, lock nut is rotated to the manual work, lock nut promotes the sliding sleeve and removes, the sliding sleeve drives the stopping board and removes, stopping board atress bending deformation, the stopping board promotes the reinforcing bar and supports the screw blind hole of tight screwed pipe, when rotating drive bevel gear with interior hexagonal spanner, the screw thread in the screw blind hole carries out the interlock fast on reinforcing bar and the screwed pipe, realize that three reinforcing bars disect insertion sleeves do not need the external force centre gripping, and can realize synchronous locking.
As a second preferred scheme of the transition spiral module in the invention, the transition spiral module comprises spiral claws and a torsion spring, and a group of spiral claws are uniformly arranged on the end surface of the other end of the threaded pipe along the circumferential direction; one end of the spiral claw is hinged to the end face of the other end of the threaded pipe, and a torsion spring is arranged at the hinged position; a first internal thread is arranged on the inner side of the spiral claw; during the use, the reinforcing bar inserts transition spiral module, reinforcing bar extrusion screw claw hand, screw claw hand swings around articulated department, after the screw thread of reinforcing bar tip and the hand internal thread interlock of a number of on screw claw, rotate drive bevel gear with interior hexagonal spanner, drive gear drives the screwed pipe and rotates, the screwed pipe drives screw claw hand and rotates, screw claw hand drives the reinforcing bar through an internal thread and passes through on the screwed pipe internal thread, and then realize the interlock, it does not need the external force centre gripping finally to realize three reinforcing bars disect insertion sleeve, and can realize synchronous locking.
As a third preferred scheme of the transition spiral module, the transition spiral module comprises an elastic spiral sleeve, one end of the elastic spiral sleeve is fixedly connected to the end face of the other end of the threaded pipe, and a second internal thread is arranged on the inner wall of the elastic spiral sleeve; during the use, the reinforcing bar inserts transition spiral module, the inside internal thread No. two of reinforcing bar extrusion elasticity spiral shell, No. two internal thread warp, after the screw thread of reinforcing bar tip and the inside internal thread interlock No. two of elasticity spiral shell, rotate drive bevel gear with allen key, drive gear drives the screwed pipe and rotates, the screwed pipe drives elasticity spiral shell and rotates, the elasticity spiral shell drives the reinforcing bar through No. two internal threads and passes through on the screwed pipe internal thread, and then realize the interlock, finally realize that three reinforcing bars disect insertion sleeves do not need the external force centre gripping, and can realize synchronous locking.
As a preferable scheme of the invention, a compression cavity is arranged inside the second internal thread on the elastic spiral sleeve; a group of backstop rods are arranged on the inner wall of one side of the thread of the second internal thread; the middle part of the retaining rod is hinged to one end of the wedge-shaped block, and a torsional spring is arranged at the hinged position; the other end of the wedge-shaped block is fixedly connected to the inner wall of the compression cavity; during the use, the screw thread of No. two internal thread one sides of reinforcing bar extrusion elasticity spiral shell inside, the screw thread extrusion stopping rod of No. two internal thread one sides, the swing of articulated department is wound to the stopping rod, No. two internal thread screw threads warp, after the screw thread of reinforcing bar tip and the inside No. two internal thread interlocks of elasticity spiral shell, the elasticity spiral shell rotates, drive the reverse stop of stopping rod, stopping rod one end supports the screw thread root of reinforcing bar tip, realize that the elasticity spiral shell passes through No. two internal threads and drives the reinforcing bar and pass through on the screwed pipe internal thread, and then realize the screw thread of reinforcing bar tip and the inside screw thread interlock of screwed pipe.
The invention has the following beneficial effects:
1. according to the method for improving the connection efficiency of the steel bar framework of the building, the steel bar connection sleeve used in the method is provided with the transition spiral module at the end part of the threaded pipe, so that three steel bars directly inserted into the sleeve can be synchronously locked without external clamping; three screwed pipes are driven to rotate by the driving bevel gear, and three steel bars are synchronously locked by one-time clamping.
2. According to the method for improving the connection efficiency of the steel bar framework of the building, the steel bar connection sleeve used in the method is provided with a group of spiral claws along the circumferential direction on the end surface of the other end of the threaded pipe, and the spiral claws swing around the hinged part to realize the engagement of the threads at the end part of the steel bar and the first internal threads on the spiral claws; the screw claw hand drives the reinforcing bar through an internal thread and passes through to the inside screw thread of screwed pipe on, and then realizes the screw thread of reinforcing bar tip and the inside screw thread interlock of screwed pipe, finally realizes that three reinforcing bars disect insertion sleeves do not need the external force centre gripping, and can realize synchronous locking.
3. According to the method for improving the connection efficiency of the construction steel bar framework, the elastic spiral sleeve is arranged on the end face of the other end of the threaded pipe, the inner wall of the elastic spiral sleeve is provided with a second internal thread, the steel bar extrudes the second internal thread in the elastic spiral sleeve, and the second internal thread deforms to realize the occlusion of the thread at the end part of the steel bar and the second internal thread in the elastic spiral sleeve; the elasticity spiral shell drives the reinforcing bar through No. two internal threads and passes through to the inside screw thread of screwed pipe on, and then realizes the screw thread of reinforcing bar tip and the inside screw thread interlock of screwed pipe, finally realizes that three reinforcing bars disect insertion sleeves do not need the external force centre gripping, and can realize locking in step.
Drawings
The invention will be further explained with reference to the drawings.
FIG. 1 is a process flow diagram of the present invention;
FIG. 2 is a front view of the sleeve of the present invention;
FIG. 3 is a cross-sectional view taken at A-A of FIG. 2;
FIG. 4 is a first schematic diagram of the transition spiral module and an enlarged view at B in FIG. 2;
FIG. 5 is a second schematic view of the transition spiral module and the enlarged view at B in FIG. 2;
FIG. 6 is a third schematic view of the transition spiral module and the enlarged view at B in FIG. 2;
FIG. 7 is an enlarged view at C of FIG. 6;
in the figure: the device comprises a shell 1, a cylindrical cavity 11, a first cylindrical hole 12, a stepped hole 13, a driving bevel gear 2, a short shaft 21, an inner hexagonal concave hole 211, a threaded pipe 3, a conical tooth 31, a threaded blind hole 32, a bearing 4, a transition spiral module 5, a fixing sleeve 51, a sliding sleeve 52, a retaining plate 53, a locking nut 54, a spiral claw 55, a first internal thread 551, an elastic spiral sleeve 56, a second internal thread 561, a compression cavity 562, a retaining rod 57 and a wedge block 58.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.
As shown in fig. 1 to 7, the method for improving the connection efficiency of the steel reinforcement cage for construction according to the present invention comprises the following steps:
the method comprises the following steps: digging a foundation pit, pouring a foundation and reserving a steel bar connecting end;
step two: connecting the reserved steel bar connecting end in the step one with a steel bar framework of the main building through a steel bar connecting sleeve;
step three: paving a template around the steel reinforcement framework connected in the step two;
step four: pouring concrete into the cavity of the template in the third step;
step five: after the concrete in the fourth step is solidified, removing the building surface template;
the steel bar connecting sleeve in the second step comprises a shell 1, a driving bevel gear 2, a threaded pipe 3, a bearing 4 and a transition spiral module 5, wherein the shell 1 comprises two symmetrical parts, the shell 1 is cylindrical, and a cylindrical cavity 11 is arranged in the shell 1; two ends of the cylindrical cavity 11 are respectively provided with a first cylindrical hole 12, and three stepped holes 13 are uniformly distributed on the side wall of the cylindrical cavity 11; the first cylindrical hole 12 is internally and rotatably provided with a driving bevel gear 2; the driving bevel gear 2 is symmetrically arranged in the two first cylindrical holes 12, and a short shaft 21 is arranged at the end part of the driving bevel gear 2; the end part of the short shaft 21 is provided with an inner hexagonal concave hole 211; the outer ring of the bearing 4 is fixedly connected in the stepped hole 13; the inner ring of the bearing 4 is fixedly connected with the middle part of the threaded pipe 3; one end of the threaded pipe 3 is provided with conical teeth 31, and the end face of the other end of the threaded pipe 3 is provided with a threaded blind hole 32; the driving bevel gear 2 is meshed with the conical teeth 31 at the end part of the threaded pipe 3; the end face of the other end of the threaded pipe 3 is fixedly connected with a transition spiral module 5; the transition spiral module 5 is used for clamping one end of a steel bar and transmitting the steel bar into the threaded blind hole 32 of the threaded pipe 3 after the threaded pipe 3 rotates; during the use, insert transition spiral module 5 to the reinforcing bar, transition spiral module 5 realizes pressing from both sides tight reinforcing bar, insert the interior hexagonal shrinkage pool 211 internal rotation that drives 2 minor axis 21 tip of bevel gear with interior hexagonal spanner afterwards, it rotates to drive bevel gear 2, it drives 3 rotations of screwed pipe to drive bevel gear 2 through gear engagement, screwed pipe 3 drives transition spiral module 5 and rotates, transition spiral module 5 is in the screw blind hole 32 of screwed pipe 3 is driven to the reinforcing bar, and then realize carrying out the chevron shape between the framework of steel reinforcement and connect, it does not need the external force centre gripping to realize three reinforcing bars disect insertion sleeves simultaneously, and can realize synchronous locking.
As a first embodiment of the transition screw module 5 of the present invention, the transition screw module 5 includes a fixed sleeve 51, a spring, a sliding sleeve 52, a retaining plate 53, and a lock nut 54, wherein one end of the fixed sleeve 51 is fixedly connected to the end of the other end of the threaded sleeve, the inner wall of the other end of the fixed sleeve 51 is connected to one end of the lock nut 54 through a thread, and the middle part of the inner wall of the fixed sleeve 51 is slidably connected to the sliding sleeve 52; one end of the sliding sleeve 52 is provided with a spring, and the other end of the sliding sleeve 52 is contacted with the end face of the other end of the locking nut 54; the inner wall of the sliding sleeve 52 is hinged with one end of the retaining plate 53, and a torsional spring is arranged at the hinged position; a group of retaining plates 53 are uniformly arranged on the inner wall of the sliding sleeve 52 along the circumferential direction; the retaining plate 53 is an elastic plate; during the use, after the reinforcing bar inserts transition spiral module 5, the screw thread of reinforcing bar tip is withstood to stopping board 53 other end, lock nut 54 is rotated to the manual work, lock nut 54 promotes sliding sleeve 52 and removes, sliding sleeve 52 drives stopping board 53 and removes, stopping board 53 atress bending deformation, stopping board 53 promotes the reinforcing bar and supports the screw blind hole 32 of tight screwed pipe 3, when rotating drive bevel gear 2 with allen key, the screw thread in screw blind hole 32 carries out the interlock fast on reinforcing bar and the screwed pipe 3, realize that three reinforcing bars disect insertion sleeves do not need the external force centre gripping, and can realize synchronous locking.
As a second embodiment of the transition spiral module 5 in the present invention, the transition spiral module 5 includes spiral claws 55 and a torsion spring, and a set of spiral claws 55 are uniformly arranged on the end surface of the other end of the threaded pipe 3 along the circumferential direction; one end of the spiral claw 55 is hinged on the end surface of the other end of the threaded pipe 3, and a torsional spring is arranged at the hinged position; a first internal thread 551 is arranged on the inner side of the spiral claw 55; during the use, the reinforcing bar inserts transition spiral module 5, reinforcing bar extrusion screw claw hand 55, screw claw hand 55 swings around articulated department, after screw thread and the internal thread 551 interlock on screw claw hand 55 of reinforcing bar tip, rotate drive bevel gear 2 with the allen key, drive gear drives screwed pipe 3 and rotates, screwed pipe 3 drives screw claw hand 55 and rotates, screw claw hand 55 drives the reinforcing bar through an internal thread 551 and passes through on 3 internal thread of screwed pipe, and then realize the interlock, it does not need the external force centre gripping finally to realize three reinforcing bar disect insertions sleeves, and can realize synchronous locking.
As a third embodiment of the transition screw module 5 in the present invention, the transition screw module 5 includes an elastic screw sleeve 56, one end of the elastic screw sleeve 56 is fixedly connected to the end face of the other end of the threaded pipe 3, and a second internal thread 561 is arranged on the inner wall of the elastic screw sleeve 56; during the use, the reinforcing bar inserts transition spiral module 5, the inside No. two internal threads 561 of reinforcing bar extrusion elasticity spiral shell 56, No. two internal threads 561 warp, after the screw thread of reinforcing bar tip and the inside No. two internal threads 561 interlocks of elasticity spiral shell 56, rotate with interior hexagonal spanner and drive bevel gear 2, drive gear drives screwed pipe 3 and rotates, screwed pipe 3 drives elasticity spiral shell 56 and rotates, elasticity spiral shell 56 passes through No. two internal threads 561 and drives the reinforcing bar and pass through on 3 internal threads of screwed pipe, and then realize the interlock, finally realize that three reinforcing bar disect insertions sleeves do not need the external force centre gripping, and can realize synchronous locking.
As an embodiment of the present invention, a compression cavity 562 is provided inside the second internal thread 561 on the elastic screw sleeve 56; a group of retaining rods 57 are arranged on the inner wall of one side of the thread of the second internal thread 561; the middle part of the retaining rod 57 is hinged at one end of the wedge-shaped block 58, and a torsional spring is arranged at the hinged position; the other end of the wedge-shaped block 58 is fixedly connected to the inner wall of the compression cavity 562; during the use, the thread of No. two internal threads 561 sides in reinforcing bar extrusion elasticity spiral shell 56, the thread extrusion stopping pole 57 of No. two internal threads 561 sides, stopping pole 57 swings around articulated department, No. two internal threads 561's thread warp, after the screw thread of reinforcing bar tip and the interlock of No. two internal threads 561 in elasticity spiral shell 56 inside, elasticity spiral shell 56 rotates, drive stopping pole 57 and reverse the stopping, stopping pole 57 one end supports the thread root of reinforcing bar tip, realize that elasticity spiral shell 56 passes through No. two internal threads 561 and drives the reinforcing bar and pass through on the screwed pipe 3 internal thread, and then realize the screw thread of reinforcing bar tip and the inside screw thread interlock of screwed pipe 3.
When the device is used, a steel bar is inserted into the transition spiral module 5, the transition spiral module 5 realizes clamping of the steel bar, then an inner hexagonal wrench is inserted into an inner hexagonal concave hole 211 at the end part of the short shaft 21 of the driving bevel gear 2 to rotate, the driving bevel gear 2 drives the threaded pipe 3 to rotate through gear meshing, the threaded pipe 3 drives the transition spiral module 5 to rotate, the transition spiral module 5 drives the steel bar into a threaded blind hole 32 of the threaded pipe 3, herringbone connection between steel bar frameworks is further realized, three steel bars are directly inserted into a sleeve without external force clamping, and synchronous locking can be realized; first embodiment of transition screw module 5: after the steel bars are inserted into the transition spiral module 5, the other end of the retaining plate 53 abuts against threads at the end of the steel bars, a locking nut 54 is manually rotated, the locking nut 54 pushes the sliding sleeve 52 to move, the sliding sleeve 52 drives the retaining plate 53 to move, the retaining plate 53 is stressed and bent to deform, the retaining plate 53 pushes the steel bars to tightly abut against the threaded blind hole 32 of the spiral tube, when a hexagon socket wrench is used for rotating and driving the bevel gear 2, the steel bars are quickly engaged with the threads in the threaded blind hole 32 on the threaded tube 3, three steel bars are directly inserted into the sleeve without external force clamping, and synchronous locking can be realized; second embodiment of transition screw module 5: the steel bar is inserted into the transition spiral module 5, the steel bar extrudes the spiral claw 55, the spiral claw 55 swings around the hinged part, after the thread at the end part of the steel bar is meshed with the first internal thread 551 on the spiral claw 55, the internal hexagonal wrench is used for rotating the driving bevel gear 2, the driving gear drives the threaded pipe 3 to rotate, the threaded pipe 3 drives the spiral claw 55 to rotate, the spiral claw 55 drives the steel bar to transition to the internal thread of the threaded pipe 3 through the first internal thread 551, so that meshing is realized, finally, the three steel bars are directly inserted into the sleeve without external force clamping, and synchronous locking can be realized; third embodiment of transition screw module 5: the steel bar is inserted into the transition spiral module 5, the steel bar extrudes a second internal thread 561 inside the elastic spiral sleeve 56, the second internal thread 561 is deformed, after the thread at the end of the steel bar is meshed with the second internal thread 561 inside the elastic spiral sleeve 56, the inner hexagonal wrench is used for rotating the driving bevel gear 2, the driving gear drives the threaded pipe 3 to rotate, the threaded pipe 3 drives the elastic spiral sleeve 56 to rotate, the elastic spiral sleeve 56 drives the steel bar to transition to the internal thread of the threaded pipe 3 through the second internal thread 561, meshing is further achieved, finally, the three steel bars are directly inserted into the sleeve without external clamping, and synchronous locking can be achieved; the thread of No. two internal threads 561 one sides of reinforcing bar extrusion elasticity spiral shell 56 inside, the thread extrusion stopping pole 57 of No. two internal threads 561 one sides, stopping pole 57 swings around articulated department, No. two internal threads 561's thread warp, after the screw thread of reinforcing bar tip and the interlock of No. two internal threads 561 inside of elasticity spiral shell 56, elasticity spiral shell 56 rotates, drive stopping pole 57 reverse stop, stopping pole 57 one end supports the thread root of reinforcing bar tip, realize that elasticity spiral shell 56 passes through No. two internal threads 561 and drives the reinforcing bar and pass through on the screwed pipe 3 internal thread, and then realize the screw thread of reinforcing bar tip and the inside screw thread interlock of screwed pipe 3.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (2)
1. A method for improving the connection efficiency of a construction steel bar framework is characterized in that: the method comprises the following steps:
the method comprises the following steps: digging a foundation pit, pouring a foundation and reserving a steel bar connecting end;
step two: connecting the reserved steel bar connecting end in the step one with a steel bar framework of the main building through a steel bar connecting sleeve;
step three: paving a template around the steel reinforcement framework connected in the step two;
step four: pouring concrete into the cavity of the template in the third step;
step five: after the concrete in the fourth step is solidified, removing the building surface template;
the steel bar connecting sleeve in the second step comprises a shell (1), a driving bevel gear (2), a threaded pipe (3), a bearing (4) and a transition spiral module (5), wherein the shell (1) comprises two symmetrical parts, the shell (1) is cylindrical, and a cylindrical cavity (11) is arranged in the shell (1); two ends of the cylindrical cavity (11) are respectively provided with a first cylindrical hole (12), and three stepped holes (13) are uniformly distributed on the side wall of the cylindrical cavity (11); the first cylindrical hole (12) is internally and rotatably provided with a driving bevel gear (2); the driving bevel gears (2) are symmetrically arranged in the two first cylindrical holes (12), and short shafts (21) are arranged at the end parts of the driving bevel gears (2); the end part of the short shaft (21) is provided with an inner hexagonal concave hole (211); the inner part of the stepped hole (13) is fixedly connected with the outer ring of the bearing (4); the inner ring of the bearing (4) is fixedly connected with the middle part of the threaded pipe (3); one end of the threaded pipe (3) is provided with conical teeth (31), and the end face of the other end of the threaded pipe (3) is provided with a threaded blind hole (32); the driving bevel gear (2) is meshed with the conical teeth (31) at the end part of the threaded pipe (3); a transition spiral module (5) is fixedly connected to the end face of the other end of the threaded pipe (3); the transition spiral module (5) is used for clamping one end of a steel bar and transmitting the steel bar into a threaded blind hole (32) of the threaded pipe (3) after the threaded pipe (3) rotates;
the transition spiral module (5) comprises a fixed sleeve (51), a spring, a sliding sleeve (52), a retaining plate (53) and a locking nut (54), one end of the fixed sleeve (51) is fixedly connected to the end part of the other end of the threaded pipe (3), the inner wall of the other end of the fixed sleeve (51) is connected with one end of the locking nut (54) through threads, and the middle part of the inner wall of the fixed sleeve (51) is in sliding connection with the sliding sleeve (52); one end of the sliding sleeve (52) is provided with a spring, and the other end of the sliding sleeve (52) is contacted with the end face of the other end of the locking nut (54); the inner wall of the sliding sleeve (52) is hinged with one end of the retaining plate (53), and a torsional spring is arranged at the hinged position; a group of retaining plates (53) are uniformly arranged on the inner wall of the sliding sleeve (52) along the circumferential direction; the retaining plate (53) is an elastic plate.
2. The method for improving the connection efficiency of the construction steel bar framework according to the claim 1, which is characterized in that: or the transition spiral module (5) comprises an elastic spiral sleeve (56), one end of the elastic spiral sleeve (56) is fixedly connected to the end face of the other end of the threaded pipe (3), and a second internal thread (561) is arranged on the inner wall of the elastic spiral sleeve (56);
a compression cavity (562) is arranged in a second internal thread (561) on the elastic spiral sleeve (56); a group of backstop rods (57) are arranged on the inner wall of one side of the thread of the second internal thread (561); the middle part of the retaining rod (57) is hinged to one end of the wedge-shaped block (58), and a torsional spring is arranged at the hinged position; the other end of the wedge-shaped block (58) is fixedly connected to the inner wall of the compression cavity (562).
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810633560.9A CN108756069B (en) | 2018-06-20 | 2018-06-20 | Method for improving connection efficiency of building steel reinforcement framework |
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| CN201810633560.9A CN108756069B (en) | 2018-06-20 | 2018-06-20 | Method for improving connection efficiency of building steel reinforcement framework |
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| CN108756069B true CN108756069B (en) | 2021-01-08 |
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| CN111236657B (en) * | 2020-03-23 | 2021-12-17 | 中铁二十一局集团第四工程有限公司 | End part butt joint self-anchoring auxiliary clamping tool for stress bar between floor shear walls |
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| EG25161A (en) * | 2004-05-17 | 2011-09-27 | Soliman Soliman Alyeldeen Soliman | Mechanical reinforcing bar coupler based on bar deformations. |
| KR100938726B1 (en) * | 2007-07-27 | 2010-01-26 | 이완섭 | A reinforcing bar, a coupler of the reinforcing bar, and an assembly and a connection method thereof |
| CN203227781U (en) * | 2012-12-17 | 2013-10-09 | 储宏道 | Rolling device for rebar end thread |
| CN204140097U (en) * | 2014-09-16 | 2015-02-04 | 彝良驰宏矿业有限公司 | A kind of reusable Stope roof mechanical prop |
| CN107023120B (en) * | 2017-04-21 | 2023-05-12 | 中国建筑第八工程局有限公司 | Self-locking clamping type steel bar direct-plugging connector |
| CN107558483B (en) * | 2017-07-13 | 2019-07-26 | 浙江永联建设工程股份有限公司 | A kind of construction method of building foundation that installing wallboard |
| CN207017536U (en) * | 2017-07-18 | 2018-02-16 | 何运贵 | A kind of reinforcing steel bar connecting sleeve tube for assembled architecture |
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