Welding equipment of steel reinforcement cage for bridge construction
Technical Field
The invention relates to the field of orthopedic welding, in particular to welding equipment for a reinforcement cage for bridge construction.
Background
The existing building pile foundation and road bridge construction fields often need to be welded with reinforcement cages, the reinforcement cages can be arranged at intervals to form annular reinforcement frames and longitudinal reinforcement frames are arranged on outer rings of the annular reinforcement frames, and the positions between the transverse reinforcement frames and the longitudinal reinforcement frames are welded in a manual mode or a mechanical mode. In the prior art, the steel reinforcement cage is welded by manual work, a numerical control steel reinforcement cage seam welder is also used, the stirrup is spirally wound on the outer side of the main reinforcement by rotating the main reinforcement, and then the stirrup and the main reinforcement are welded together by a numerical control welding gun to form a steel reinforcement body.
The steel reinforcement cage welding equipment with the publication number of CN115570301B comprises a frame, a transverse bar feeding mechanism, a longitudinal bar feeding mechanism, a welding mechanism and a tensioning mechanism, wherein a longitudinal bar moving seat is arranged on the frame and provided with a rotary mounting opening for passing through transverse bars, a longitudinal bar clamping hand is movably connected with the frame, a first paste mark identification device is connected with the longitudinal bar clamping hand in a communication manner and is used for identifying a positioning tag and controlling the longitudinal bar clamping hand to place the longitudinal bar at the positioning tag so that the longitudinal bar is positioned on the outer ring of the annular bar frame. This patent is through pasting the locating label at horizontal muscle, fixes a position the longitudinal bar through the locating label, can realize improving the degree of accuracy of longitudinal bar at horizontal muscle welded position to realize controlling longitudinal bar clearance, solved the problem that the longitudinal bar of steel reinforcement cage is difficult to the location in horizontal muscle's position among the prior art. However, the patent still has some defects that 1, welding positioning is difficult to carry out on reinforcement cages with different diameters, so that dislocation deformation is easy to occur in the welding process of the reinforcement cages. 2. The steel bars may be bent during welding, resulting in deformation of the entire reinforcement cage.
Disclosure of Invention
The invention aims to solve the technical problem that the steel reinforcement cage is easy to deform during welding, and provides welding equipment for the steel reinforcement cage for bridge construction.
The welding equipment for the reinforcement cage for bridge construction comprises a base for supporting two ends of the reinforcement cage, a welding manipulator for welding the reinforcement cage, a rotating mechanism, a positioning mechanism and a locking mechanism, wherein the rotating mechanism comprises an annular turntable, driving wheels and a belt, the annular turntable is rotatably arranged on the base, the driving wheels drive the annular turntable to rotate through the belt, the positioning mechanism comprises a disc frame, an elastic base plate and a central supporting disc, the disc frame is fixedly connected with the annular turntable in a coaxial mode, the central supporting disc is fixed at the center of the disc frame, a plurality of containing grooves for containing reinforcement are distributed on the disc frame at equal intervals along an inner ring, the elastic base plate is fixed at the bottom of each containing groove through a spring, sliding grooves corresponding to the containing grooves one by one are formed in the outer ring of the central supporting disc, adjusting heads are arranged in each sliding groove, the top ends of the adjusting heads can extend into the containing grooves, the locking mechanism comprises a locking disc, the locking disc is provided with a plurality of adjusting heads, the locking heads are arranged on the locking disc, the locking disc is connected with the bottom of the corresponding to the corresponding arc-shaped groove, and the locking disc can be abutted to the arc-shaped groove, and the locking disc can be abutted against the arc-shaped groove when the pushing rod is connected with the arc-shaped disc.
Preferably, the positioning mechanism further comprises a rotating frame and a central shaft, wherein two ends of the rotating frame are fixed on the inner ring of the disc frame and avoid the accommodating groove, the central shaft is fixed on the rotating frame, and the central supporting disc is coaxially and fixedly arranged on the central shaft.
Preferably, the width of the receiving groove is larger than the diameter of the reinforcing steel bar.
Preferably, a roller is rotatably mounted at the top end of the adjusting head, and the steel bar can pass through between the roller and the elastic backing plate.
Preferably, the locking mechanism further comprises a fixing frame, an electric telescopic rod, a shaft seat and a driven shaft, the fixing frame is fixed on the base, the electric telescopic rod is installed on the fixing frame, a rod head of the electric telescopic rod is fixedly connected with the shaft seat through a connecting frame, one end of the driven shaft is rotatably installed on the shaft seat, the other end of the driven shaft is coaxially and fixedly connected with the center of the lock disc, and the electric telescopic rod drives the lock disc to be close to or far away from the center support disc through the driven shaft.
Preferably, the driven shaft is further sleeved with a shaft sleeve, the shaft sleeve is fixed at the top end of the fixing frame, an external spline is arranged on the outer wall of the driven shaft, an internal spline is arranged on the inner wall of the shaft sleeve, when the driven shaft and the locking disc are separated from the central supporting disc, the external spline on the driven shaft can be clamped with the internal spline on the shaft sleeve, and at the moment, the central supporting disc can continue to rotate while the locking disc cannot rotate.
Preferably, a friction plate is provided on an abutting surface of the lock plate and the center support plate.
Preferably, after the external spline on the driven shaft is clamped with the internal spline on the shaft sleeve, the central supporting disc is rotated to drive the push rod at the bottom of the adjusting head to slide up and down along the arc-shaped groove.
The steel bar welding device has the beneficial effects that the positioning mechanism and the locking mechanism are arranged, the positions of a plurality of steel bars on the steel bar cage are adjusted through the positioning mechanism, so that the steel bars can be welded to form the steel bar cages with different diameters, and the positions of the steel bars are locked through the locking mechanism after the steel bars are positioned, so that the steel bar cages are prevented from deforming in the welding process.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It will be apparent to those of ordinary skill in the art that the drawings in the following description are exemplary only and that other implementations can be obtained from the extensions of the drawings provided without inventive effort.
Fig. 1 is a schematic structural view of a preferred embodiment of a welding apparatus for a reinforcement cage for bridge construction according to the present invention;
Fig. 2 is a schematic structural view of a receiving groove and a reinforcing steel bar of a welding device of a reinforcement cage for bridge construction according to the present invention;
fig. 3 is a schematic structural view of an annular turntable of a welding device of a reinforcement cage for bridge construction according to the present invention;
Fig. 4 is a schematic structural view of an external spline of a welding device of a reinforcement cage for bridge construction according to the present invention;
Fig. 5 is a schematic structural view of a disc frame of a welding apparatus for a reinforcement cage for bridge construction according to the present invention;
Fig. 6 is a schematic structural view of a central support plate of a welding apparatus for a reinforcement cage for bridge construction according to the present invention;
fig. 7 is a state diagram of a lock plate of a welding apparatus of a reinforcement cage for bridge construction in accordance with the present invention when separated from a center support frame;
fig. 8 is a state diagram of a welding apparatus for a reinforcement cage for bridge construction in which a lock plate is abutted against a center support frame.
The welding machine comprises the following components of a steel bar, a base, a welding manipulator, a rotating mechanism, a locating mechanism, a locking mechanism, a 7 annular turntable, a 8 driving wheel, a 9 driving wheel, a belt, a 10 driving disc, a disc frame, a 11 elastic backing plate, a 12 central supporting disc, a 13 accommodating groove, a 14 driving groove, a 15 driving disc, an adjusting head, a 16 driving disc, a 17 driving disc, an arc-shaped groove, a 18 driving rod, a 19 driving disc, a rotating frame, a 20 driving disc, a 21 driving disc, a roller, a 22 driving disc, a 23 driving disc, an electric telescopic rod, a 24 driving disc, a 25 driving disc, a 26 driving disc, a shaft sleeve, a 27 driving disc and an external spline.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
The concept of the present application will be described with reference to the accompanying drawings. It should be noted that the following descriptions of the various concepts are only for making the content of the present application easier to understand, and are not meant to limit the scope of the present application, and at the same time, the embodiments of the present application and the features in the embodiments may be combined with each other without conflict. The application will be described in detail below with reference to the drawings in connection with embodiments.
As shown in fig. 1 to 8, the invention provides an embodiment of welding equipment for a reinforcement cage for bridge construction, which comprises a base 2 for supporting two ends of the reinforcement cage, a welding manipulator 3 for welding the reinforcement cage, a rotating mechanism 4, a positioning mechanism 5 and a locking mechanism 6, wherein the rotating mechanism 4 comprises an annular rotary table 7, a driving wheel 8 and a belt 9, the annular rotary table 7 is rotatably arranged on the base 2, and the driving wheel 8 drives the annular rotary table 7 to rotate through the belt 9.
The positioning mechanism 5 comprises a disc frame 10, an elastic base plate 11 and a central supporting disc 12, wherein the disc frame 10 is fixedly connected with the annular rotary disc 7 in a coaxial mode, the central supporting disc 12 is fixed at the center of the disc frame 10, a plurality of containing grooves 13 used for containing the reinforcing steel bars 1 are distributed on the disc frame 10 at equal intervals along the inner ring, and the width of each containing groove 13 is larger than the diameter of each reinforcing steel bar 1, so that reinforcing steel bars 1 with different diameters can be placed into the corresponding containing grooves 13 for fixing in the actual use process.
The elastic backing plate 11 is fixed at the bottom of the accommodating groove 13 through a spring, the outer ring of the central supporting disc 12 is provided with sliding grooves 14 which are in one-to-one correspondence with the accommodating grooves 13, each sliding groove 14 is internally provided with an adjusting head 15, the top end of each adjusting head 15 can extend into the corresponding accommodating groove 13, the top end of each adjusting head 15 is rotatably provided with a roller 21, a reinforcing steel bar 1 can pass through the gap between each roller 21 and the elastic backing plate 11, after the adjusting heads 15 extend out of the corresponding sliding grooves 14, the reinforcing steel bar 1 can be pressed on the elastic backing plate 11, the shape of the surface of each roller 21 is attached to the surface of the reinforcing steel bar 1, so that the reinforcing steel bar 1 is kept at a position, close to the center, of the corresponding accommodating groove 13 through the guiding action of each roller 21 after the reinforcing steel bar 1 enters the accommodating groove 13, and sliding dislocation of the reinforcing steel bar 1 to two sides is prevented.
The positioning mechanism 5 further comprises a rotating frame 19 and a central shaft 20, two ends of the rotating frame 19 are fixed on the inner ring of the disc frame 10 and avoid the accommodating groove 13, the central shaft 20 is fixed on the rotating frame 19, the central supporting disc 12 is coaxially and fixedly arranged on the central shaft 20, when the annular rotary disc 7 rotates, the disc frame 10 can be driven to rotate, the steel bars 1 in the accommodating groove 13 are driven to rotate by taking the disc frame 10 as the center, and then the whole rotation of the steel reinforcement cage is realized, so that the position to be welded on the steel reinforcement cage is rotated to the welding manipulator 3 for welding, meanwhile, the rotating of the disc frame 10 can also drive the rotating frame 19 and the central shaft 20 to rotate, and the effect that the central shaft 20 drives the central supporting disc 12 to rotate is realized.
The locking mechanism 6 comprises a locking disc 16, a plurality of arc grooves 17 are formed in the locking disc 16, a push rod 18 is fixed at the bottom of the adjusting head 15, the push rod 18 is slidably mounted in the arc grooves 17, the end face of the locking disc 16 can be abutted against the central supporting disc 12, when the locking disc 16 is abutted against the central supporting disc 12, a friction plate is arranged on the abutting face of the locking disc 16 and the central supporting disc 12, so that the friction force between the locking disc 16 and the supporting disc is improved, relative displacement cannot be generated when the locking disc 16 and the supporting disc are abutted against each other, namely the locking disc 16 is driven to rotate together when the central supporting disc 12 rotates, the arc grooves 17 are intersected with the projection of the sliding groove 14 towards the locking disc 16, the push rod 18 is locked in the arc grooves 17, and at the moment, the push rod 18 and the adjusting head 15 cannot move along the sliding groove 14.
The locking mechanism 6 further comprises a fixing frame 22, an electric telescopic rod 23, a shaft seat 24 and a driven shaft 25, wherein the fixing frame 22 is fixed on the base 2, the electric telescopic rod 23 is installed on the fixing frame 22, a rod head of the electric telescopic rod 23 is fixedly connected with the shaft seat 24 through a connecting frame, one end of the driven shaft 25 is rotatably installed on the shaft seat 24, the other end of the driven shaft 25 is fixedly connected with the center of the lock disc 16 coaxially, and the electric telescopic rod 23 drives the lock disc 16 to be close to or far away from the center support disc 12 through the driven shaft 25.
The driven shaft 25 is further sleeved with a shaft sleeve 26, the shaft sleeve 26 is fixed to the top end of the fixed frame 22, an external spline 27 is arranged on the outer wall of the driven shaft 25, an internal spline is arranged on the inner wall of the shaft sleeve 26, when the driven shaft 25 and the lock disc 16 are separated from the central support disc 12, the external spline 27 on the driven shaft 25 can be clamped with the internal spline on the shaft sleeve 26, the central support disc 12 can continue to rotate, the lock disc 16 cannot rotate, and after the external spline 27 on the driven shaft 25 is clamped with the internal spline on the shaft sleeve 26, the central support disc 12 can be rotated to drive the push rod 18 at the bottom of the adjusting head 15 to slide up and down along the arc groove 17.
The locking mechanism 6 has the working principle that after the steel bar 1 is inserted into the accommodating groove 13, the electric telescopic rod 23 drives the driven shaft 25 and the lock disc 16 to be far away from the central supporting disc 12, so that the lock disc 16 is separated from the central supporting disc 12 until the external spline 27 on the driven shaft 25 is clamped with the internal spline on the shaft sleeve 26, at the moment, the driven shaft 25, the lock disc 16 and the shaft sleeve 26 cannot rotate, the annular turntable 7 drives the disc frame 10, the rotating frame 19, the central shaft 20 and the central supporting disc 12 to continuously rotate, and displacement can be caused between the lock disc 16 and the central supporting disc 12, therefore, when the central supporting disc 12 rotates, the adjusting head 15 in the sliding groove 14 of the central supporting disc 12 can be driven to move, the push rod 18 at the bottom of the adjusting head 15 can move along the arc-shaped groove 17 on the lock disc 16, the push rod 18 and the adjusting head 15 can move up and down through the guiding function of the arc-shaped groove 17, and then the distance from the steel bar 1 to the bottom of the accommodating groove 13 can be adjusted through the adjusting head 15, namely, the diameter of a cage can be adjusted, and the cage with different diameters can be welded.
After the position of the steel bar 1 is adjusted, the electric telescopic rod 23 resets to drive the driven shaft 25 and the lock disc 16 to move towards the central support disc 12 until the external spline 27 on the driven shaft 25 is separated from the internal spline on the shaft sleeve 26, and the lock disc 16 is abutted against the central support disc 12, at the moment, the lock disc 16 can rotate around the driven shaft 25, so when the central support disc 12 rotates, the lock disc 16 can be driven to rotate together, displacement cannot be generated between the lock disc 16 and the central support disc 12, the projection of the sliding groove 14 and the arc-shaped groove 17 is intersected, the push rod 18 is positioned at the intersection of the sliding groove 14 and the arc-shaped groove 17, and therefore the push rod 18 and the adjusting head 15 cannot move in the rotating process of the central support disc 12, and the steel bar 1 can be kept stable in the welding process.
The principles and embodiments of the present application have been described herein with reference to specific examples, the description of which is intended only to facilitate an understanding of the method of the present application and its core ideas. The foregoing is merely a preferred embodiment of the present application, and it should be noted that, due to the limited text expression, there is no objectively and limitlessly embodied structure, and that it is possible for those skilled in the art to make several improvements, modifications or changes, and to combine the above technical features in an appropriate manner without departing from the principle of the present application, and these improvements, modifications or combinations, or the direct application of the inventive concept and technical solution to other occasions without improvement, shall be regarded as the protection scope of the present application.