CN111590749A - Vertical vibration forming process and forming equipment for reinforced concrete pipe - Google Patents
Vertical vibration forming process and forming equipment for reinforced concrete pipe Download PDFInfo
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- CN111590749A CN111590749A CN202010462568.0A CN202010462568A CN111590749A CN 111590749 A CN111590749 A CN 111590749A CN 202010462568 A CN202010462568 A CN 202010462568A CN 111590749 A CN111590749 A CN 111590749A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B21/00—Methods or machines specially adapted for the production of tubular articles
- B28B21/02—Methods or machines specially adapted for the production of tubular articles by casting into moulds
- B28B21/10—Methods or machines specially adapted for the production of tubular articles by casting into moulds using compacting means
- B28B21/14—Methods or machines specially adapted for the production of tubular articles by casting into moulds using compacting means vibrating, e.g. the surface of the material
- B28B21/16—Methods or machines specially adapted for the production of tubular articles by casting into moulds using compacting means vibrating, e.g. the surface of the material one or more mould elements
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B11/00—Apparatus or processes for treating or working the shaped or preshaped articles
- B28B11/24—Apparatus or processes for treating or working the shaped or preshaped articles for curing, setting or hardening
- B28B11/245—Curing concrete articles
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B21/00—Methods or machines specially adapted for the production of tubular articles
- B28B21/02—Methods or machines specially adapted for the production of tubular articles by casting into moulds
- B28B21/10—Methods or machines specially adapted for the production of tubular articles by casting into moulds using compacting means
- B28B21/12—Methods or machines specially adapted for the production of tubular articles by casting into moulds using compacting means tamping or ramming the material or the mould elements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B21/00—Methods or machines specially adapted for the production of tubular articles
- B28B21/56—Methods or machines specially adapted for the production of tubular articles incorporating reinforcements or inserts
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B21/00—Methods or machines specially adapted for the production of tubular articles
- B28B21/90—Methods or apparatus for demoulding or discharging after shaping
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- Chemical & Material Sciences (AREA)
- Ceramic Engineering (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Structural Engineering (AREA)
- On-Site Construction Work That Accompanies The Preparation And Application Of Concrete (AREA)
- Manufacturing Of Tubular Articles Or Embedded Moulded Articles (AREA)
Abstract
The technical scheme of the invention is realized as follows: a vertical vibration forming process and forming equipment of a reinforced concrete pipe comprise a base, and a support frame, a pipe die and a vibration device which are arranged on the base, wherein a conveying slide rail is arranged on the base, and the pipe die is arranged on the conveying slide rail; the vibrating device comprises a mechanical vibrator, a first knocking assembly and a lifting assembly, wherein the first knocking assembly comprises a hanging scaffold, a knocking motor, a rotating shaft and a knocking rod; the invention has the advantages of good vibrating effect, uniform vibration, improved quality of the reinforced concrete pipe, high vibrating efficiency, accelerated vibration forming of the reinforced concrete pipe and high production efficiency.
Description
Technical Field
The invention relates to the technical field of reinforced concrete pipes, in particular to a vertical vibration forming process and forming equipment for a reinforced concrete pipe.
Background
The use of the concrete pipe is more and more widely applied to various fields such as industry, urban construction and the like, and the forming process of the concrete pipe is characterized by solving the technical problems of forming, exhausting and compacting, mold reversing and the like; the existing concrete pipe forming process comprises the forms of a centrifugal process, a suspension roller type process, a vertical vibration process, a core mold vibration process and the like; the pipe is produced by adopting a traditional high-power rotating or vibrating mode, a steel bar framework or a cage framework is arranged between an inner die and an outer die of a die, then the steel bar framework or the cage framework is placed on a workbench, concrete is filled into a pipe die through a concrete blanking vehicle or a blanking cone by utilizing hoisting equipment, and the pipe is formed in a rotating or vibrating mode.
The concrete steps of the vibration forming of the vertical internal mold of the reinforced concrete pipe are that materials such as sand, stone, water, cement, admixture and the like are weighed and then evenly stirred to prepare dry and hard concrete; the reinforcing steel bar is made into a framework by a seam welder, is placed in the outer membrane of the drainage pipe, is connected with the outer membrane and is hoisted into a pipe-making station on which the inner membrane is fixed; feeding concrete into the pipe die, and vibrating the inner die; rolling the reinforced concrete drain pipe concrete socket, and forming a drain pipe; the drain pipe is lifted away from a forming station (an inner mold is removed) together with the outer mold; removing the outer membrane, moisturizing and naturally curing; after the concrete has certain strength, turning over the pipe and removing the bottom mould, conveying to a storage yard for natural maintenance, then inspecting, and shipping; there are multiple ways to form reinforced concrete pipes, but vibration is an essential step in multiple processes.
The existing reinforced concrete pipe needs to be vibrated in the process of forming through a vertical vibration process, the existing vibration modes are various, but the vibration effect is not ideal enough, air holes in the concrete pipe cannot be fully removed, the quality of the reinforced concrete pipe is seriously influenced, and potential safety hazards are formed.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide a vertical vibration forming process and a vertical vibration forming device for a reinforced concrete pipe, which have the advantages of good vibration effect, sufficient vibration and improved quality of the concrete pipe.
The technical scheme of the invention is realized as follows: the utility model provides a vertical vibrating and forming equipment of reinforced concrete pipe which characterized in that: the pipe die is installed on the conveying slide rail, the supporting frame is a rectangular frame with front and back openings and four closed sides, the conveying slide rail penetrates through the supporting frame, and the conveying slide rail can convey the pipe die to enter into the other opening of the supporting frame and be conveyed out; the device of vibrating is including installing two sets of mechanical vibration machines at the base lower extreme, setting first strike the subassembly and set up on the carriage and be used for controlling the lifting unit that first strike the subassembly goes up and down, mechanical vibration machine is located the pipe die that the carriage bottom is used for vibrating on the base, first strike the subassembly and include the hanging scaffold, strike motor, rotation axis and strike the pole, the hanging scaffold is connected with lifting unit and is controlled by lifting unit and go up and down, strike motor fixed mounting in the hanging scaffold bottom, the rotation axis install strike motor bottom and with the output fixed connection who strikes the motor, strike motor control rotation axis rotation strike the pole and evenly set up on the rotation axis, strike the pole and strike the pipe die.
Preferably: and one end of the knocking rod, which is far away from the rotating shaft, is provided with knocking balls, and the knocking balls are connected with the knocking rod through elastic rubber strips.
Preferably: the base lower extreme is provided with the support column, be provided with the vibration mound between support column and the base, the vibration groove has been seted up on the vibrations mound, be equipped with vibrating spring in the vibration groove.
Preferably: the pipe die includes external mold, centre form and die block, the die block contacts with the transport slide rail, be provided with the barrier film on the centre form lateral wall, the water hole has been seted up on the centre form, the inboard of centre form has set gradually layer, sealing layer and the inoxidizing coating that absorbs water, the isolation layer, the layer that absorbs water, sealing layer and inoxidizing coating all bond on the centre form.
Preferably: the hanging scaffold bottom still is provided with the tamping bar that shakes, the tamping bar centers on first subassembly setting of strikeing, just the tamping bar that shakes corresponds the setting in pipe die upper end.
Preferably: the lifting assembly comprises a traction motor arranged at the upper end of the supporting frame, the head of a rotating shaft of the traction motor is connected with a rotating wheel, a steel wire rope is connected in the rotating wheel in a rotating mode, one end of the steel wire rope is fixedly connected with the rotating wheel, and the other end of the steel wire rope penetrates into the supporting frame to be connected with the hanging scaffold.
Preferably: still be provided with the second in the carriage and strike the subassembly, the second strikes the subassembly and strikes the power pack that the piece was including strikeing and be used for driving to strike reciprocating motion about the piece, power pack installs on the carriage inner wall.
Preferably: the power unit comprises an electromagnetic coil assembly, the electromagnetic coil assembly comprises a coil and a coil core assembly, the coil is arranged inside the coil in a sleeved mode, the coil core assembly reciprocates according to the on-off state of the coil, the two ends of the core assembly are respectively provided with a reset spring and a connecting rod, the two ends of the reset spring are respectively fixedly connected with the core assembly and the inner wall of the supporting frame, and the two ends of the connecting rod are respectively fixedly connected with the core assembly and a knocking piece.
Preferably: the second knocking component is also provided with an auxiliary knocking unit, the auxiliary knocking unit comprises a pneumatic knocking hammer which is matched with the electromagnetic coil component to operate, and the output end of the pneumatic knocking hammer is connected with the connecting rod; the second strikes the subassembly and is a plurality of, just the upper and lower end of carriage left and right sides wall is provided with a set of second respectively the symmetry and strikes the subassembly.
A vertical vibration forming process of a reinforced concrete pipe comprises the following steps:
s1: a production line is configured: selecting a plurality of groups of pipe dies, wherein each pipe die comprises a bottom die (bottom support), an outer die and an inner die, and forming each group of pipe dies into a mold, selecting longitudinal steel bars and circumferential steel bars and performing roll welding to form a steel bar framework by using a roll welding device, detecting each pipe die and the steel bar framework, ensuring the quality to be qualified, after the detection is qualified, filling one steel bar framework into each group of pipe dies, after the steel bar frameworks are installed, then installing the pipe dies on conveying rails on a base, keeping the pipe dies arranged at intervals, and conveying the pipe dies through the conveying rails to form a production line;
s2: preparing concrete: mixing cement, sand, stone and water according to the proportion of 1: 2: 2: 0.2, adjusting the proportion according to actual requirements, fully stirring for later use, and waiting for feeding;
s3: and (3) casting molding: the conveying track is driven to move on the base through the transmission assembly, the installed pipe dies are conveyed, one pipe die is conveyed into the supporting frame, the center of the pipe die is aligned with the center of the aligned supporting frame, prepared concrete slurry is injected into the pipe die from the upper part of the pipe die, the vibrating device is synchronously opened during pouring, and pouring is carried out while vibrating, wherein the mechanical vibrator is opened, the first knocking assembly and the vibrating rod are lowered by the lifting assembly, so that the first knocking assembly can knock the pipe die and the vibrating rod enters the pipe die to vibrate, and meanwhile, the first knocking assembly and the second knocking assembly vibrate in the pouring process; continuously vibrating until the pouring is finished, closing the vibrating device, controlling the lifting device to move the first gun assembly and the vibrating rod upwards, conveying the sliding rails to work again, sending out the poured reinforced concrete pipe and the pipe die together, and starting pouring the next pipe die;
s4: and (3) demolding and maintaining: and (3) demolding and maintaining the concrete pouring piece after the pouring is completed for half an hour, disassembling the outer mold, the inner mold and the bottom mold, and then placing the reinforced concrete pipe in a steam chamber at 50-90 ℃ for maintaining a finished product.
The invention has the beneficial effects that: according to the invention, the pipe dies are knocked by the first knocking component and the second knocking component to generate vibration to be matched with the vibration of the mechanical vibrator and the vibrating rod, the vibrating effect is good, the vibration is uniform, the quality of the reinforced concrete pipe is improved, the vibrating efficiency is high, the vibrating forming of the reinforced concrete pipe is accelerated, and meanwhile, the plurality of pipe dies are arranged on the conveying track at one time and are sequentially conveyed for pouring, so that the production efficiency is improved.
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, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic structural diagram of an embodiment of the present invention;
FIG. 2 is a side view of an embodiment of the present invention;
FIG. 3 is an enlarged cross-sectional view of a tube die in an embodiment of the present invention;
FIG. 4 is a schematic structural view of a second rapper assembly in accordance with an embodiment of the present invention;
the examples in the figure are: 1. the device comprises a base, 2, a supporting frame, 3, a pipe die, 31, an outer die, 32, an inner die, 33, a bottom die, 34, an isolation film, 35, a water absorption layer, 36, a sealing layer, 37, a protective layer, 4, a conveying slide rail, 5, a mechanical vibrator, 6, a first knocking component, 61, a hanging scaffold, 62, a knocking motor, 63, a rotating shaft, 64, a knocking rod, 65, a knocking ball, 7, a lifting component, 71, a traction motor, 72, a rotating wheel, 73, a steel wire rope, 8, a supporting column, 81, a vibrating pier, 82, a vibrating spring, 9, a second knocking component, 91, a knocking component, 92, a coil, 93, an iron core component, 94, a reset spring, 95, a connecting rod, 10, a vibrating rod, 11, a pneumatic hammer, 12 and concrete mortar.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1
As shown in fig. 1-2, the invention discloses a vertical vibration molding device for a reinforced concrete pipe, which in the embodiment of the invention comprises a base 1, and a support frame 2, a pipe die 3 and a vibration device which are fixed on the base 1, wherein a conveying slide rail 4 for conveying the concrete pipe is arranged on the base 1, the conveying slide rail 4 is used for conveying the concrete pipe in a sliding manner, the pipe die 3 is installed on the conveying slide rail 4, the support frame 2 is a rectangular frame with a front opening and a rear opening and a closed periphery, the conveying slide rail 4 penetrates through the support frame 2, and the conveying slide rail 4 can convey the pipe die 3 from one opening of the support frame 2 into the other opening for delivery; the vibrating device comprises two groups of mechanical vibrators 5 arranged at the lower end of a base 1, a first knocking component 6 arranged in a supporting frame 2 and a lifting component 7 arranged on the supporting frame 2 and used for controlling the first knocking component 6 to lift, wherein the mechanical vibrators 5 are positioned at the bottom of the supporting frame 2 and used for vibrating a pipe die 3 on the base 1, the first knocking component 6 comprises a hanging plate 61, a knocking motor 62, a rotating shaft 63 and a knocking rod 64, the hanging plate 61 is connected with the lifting component 7 and controlled to lift by the lifting component 7, the knocking motor 62 is fixedly arranged at the bottom of the hanging plate 61 through screws, the rotating shaft 63 is arranged at the bottom of the knocking motor 62 and fixedly connected with the output end of the knocking motor 62, the knocking motor 62 controls the rotating shaft 63 to rotate, the knocking rod 64 is uniformly arranged on the rotating shaft 63, and the knocking rod 64 is fixedly connected with the rotating shaft 63, the knocking rod 64 knocks the pipe mold 3, and the knocking rod 64 is an elastic plastic rubber rod.
In this embodiment, a hitting ball 65 is disposed at one end of the hitting rod 64 away from the rotating shaft 63, the hitting ball 65 is connected to the hitting rod 64 through an elastic rubber strip, and the hitting ball 65 is a plastic ball.
According to the technical scheme, the pipe die is installed on the conveying track and then the conveying track is controlled to transport so that the pipe die enters and exits the supporting frame to be cast, a production line is formed, and the working efficiency is improved; the mechanical vibrator is arranged and the first knocking component is arranged, after the pipe die enters the supporting frame, concrete is poured into the pipe die, the mechanical vibrator is started to vibrate, the first knocking component is controlled to descend into a cavity in the pipe die through the lifting component, the knocking motor is started, the knocking motor controls the rotating shaft to rotate, the knocking rod and the knocking ball are driven to knock the inner wall of the pipe die, the knocking ball is swung to knock the inner wall of the pipe die, the knocking speed can be controlled by the power of the knocking motor, and the purposes of pouring and vibrating are achieved; strike the pipe die inner wall and form the vibration when mechanical vibration machine vibrates the pipe die, improved the effect of vibrating, guaranteed the even of vibrating, detach the intraductal gas pocket of concrete when pouring, avoid the concrete pipe defect such as hole, honeycomb and pitted skin to appear, guarantee to produce the quality of concrete pipe.
In this embodiment, support column 8 is installed to base 1 lower extreme for vibrations when supporting base 1 and reducing the vibration are transmitted ground, be provided with vibration mound 81 between support column 8 and the base 1, vibration mound 81 adopts natural rubber to make, the vibration groove has been seted up on the vibrations mound, be equipped with vibrating spring 82 in the vibration groove.
As shown in fig. 3, in this embodiment, pipe die 3 includes external mold 31, internal mold 32 and die block 33, the die block is installed on carrying slide rail 4 and contacts with carrying slide rail 4, be provided with barrier film 34 on the internal mold lateral wall, the water hole has been seted up on the internal mold, the inboard of internal mold has set gradually water absorption layer 35, sealing layer 36 and inoxidizing coating 37, isolation layer 34, water absorption layer 35, sealing layer 36 and inoxidizing coating 37 all bond on the internal mold.
Through above-mentioned technical scheme, the setting of barrier film is avoided concrete mortar and centre form to bond, and convenient the dismantlement crosses the water hole and the setting on layer that absorbs water discharges unnecessary moisture for the shaping of concrete, the setting of inoxidizing coating carries out certain protection to the face of knocking, avoids the first destruction pipe die that strikes of subassembly.
In this embodiment, platform 61 bottom still is provided with the tamper 10, tamper 10 is fixed in platform 61 bottom, tamper 10 centers on first subassembly 6 that strikes sets up, just tamper 10 corresponds the setting in pipe die 3 upper end, and when the first subassembly 6 that strikes of lifting unit 7 control descends, tamper 10 descends and gets into in pipe die 3 and vibrates with the contact of concrete mortar, further improves the effect of vibrating.
In this embodiment, the lifting assembly 7 includes a traction motor 71 installed at the upper end of the support frame 2, a rotating wheel 72 is connected to a rotating shaft head of the traction motor 71, a steel wire rope 73 is rotatably connected to the rotating wheel 72, one end of the steel wire rope 73 is fixedly connected to the rotating wheel 72, and the other end of the steel wire rope 73 penetrates into the support frame 2 and is connected to the hanging scaffold 61; the traction motor 71 drives the rotating wheel 72 to rotate so as to wind and unwind the steel wire rope 73, and therefore the lifting platform 61 is lifted.
Example 2
The invention discloses vertical vibration forming equipment for a reinforced concrete pipe, which comprises a base 1, and a support frame 2, a pipe die 3 and a vibration device which are fixed on the base 1, wherein a conveying slide rail 4 for conveying the concrete pipe is arranged on the base 1, the conveying slide rail 4 slides on the base 1 for conveying, the pipe die 3 is arranged on the conveying slide rail 4, the support frame 2 is a rectangular frame with a front opening and a rear opening and the periphery closed, the conveying slide rail 4 penetrates through the support frame 2, and the conveying slide rail 4 can convey the pipe die 3 to enter the other opening of the support frame 2 and then be conveyed out; the vibrating device comprises two groups of mechanical vibrators 5 arranged at the lower end of a base 1, a first knocking component 6 arranged in a supporting frame 2 and a lifting component 7 arranged on the supporting frame 2 and used for controlling the first knocking component 6 to lift, wherein the mechanical vibrators 5 are positioned at the bottom of the supporting frame 2 and used for vibrating a pipe die 3 on the base 1, the first knocking component 6 comprises a hanging plate 61, a knocking motor 62, a rotating shaft 63 and a knocking rod 64, the hanging plate 61 is connected with the lifting component 7 and controlled to lift by the lifting component 7, the knocking motor 62 is fixedly arranged at the bottom of the hanging plate 61 through screws, the rotating shaft 63 is arranged at the bottom of the knocking motor 62 and fixedly connected with the output end of the knocking motor 62, the knocking motor 62 controls the rotating shaft 63 to rotate, the knocking rod 64 is uniformly arranged on the rotating shaft 63, and the knocking rod 64 is fixedly connected with the rotating shaft 63, knock bar 64 knocks die 3.
A knocking ball 65 is arranged at one end, far away from the rotating shaft 63, of the knocking rod 64, the knocking ball 65 is connected with the knocking rod 64 through an elastic rubber strip, and the knocking ball 65 is a plastic ball; support column 8 is installed to base 1 lower extreme for vibrations when supporting base 1 and reducing the vibration transmit ground, be provided with vibration mound 81 between support column 8 and the base 1, vibration mound 81 adopts natural rubber to make, the vibration groove has been seted up on the vibrations mound, be equipped with vibrating spring 82 in the vibration groove.
Pipe die 3 includes external mold 31, centre form 32 and die block 33, the die block is installed on carrying slide rail 4 and is contacted with carrying slide rail 4, be provided with barrier film 34 on the centre form lateral wall, the water hole has been seted up on the centre form, the inboard of centre form has set gradually layer 35, sealing layer 36 and inoxidizing coating 37 that absorb water, isolation layer 34, layer 35, sealing layer 36 and inoxidizing coating 37 that absorb water all bond on the centre form.
The bottom of the hanging scaffold 61 is also provided with a vibrating rod 10, the vibrating rod 10 is fixed at the bottom of the hanging scaffold 61, the vibrating rod 10 is arranged around the first knocking component 6, the vibrating rod 10 is correspondingly arranged at the upper end of the pipe die 3, and when the lifting component 7 controls the first knocking component 6 to descend, the vibrating rod 10 descends into the pipe die 3 to be in contact with concrete mortar for vibrating, so that the vibrating effect is further improved; the lifting assembly 7 comprises a traction motor 71 arranged at the upper end of the supporting frame, the head of a rotating shaft of the traction motor 71 is connected with a rotating wheel 72, a steel wire rope 73 is rotatably connected in the rotating wheel 72, one end of the steel wire rope 73 is fixedly connected with the rotating wheel 72, and the other end of the steel wire rope 73 penetrates into the supporting frame 2 and is connected with the hanging scaffold 61; the traction motor 71 drives the rotating wheel 72 to rotate so as to wind and unwind the steel wire rope 73, and therefore the lifting platform 61 is lifted.
As shown in fig. 1 and 4, in this embodiment, a second knocking assembly 9 is further disposed in the supporting frame 2, the second knocking assembly 9 includes a knocking member 91 and a power unit for driving the knocking member 91 to reciprocate left and right, and the power unit is mounted on an inner wall of the supporting frame 2.
In this embodiment, the power unit includes the solenoid subassembly, the solenoid subassembly includes coil 92 and the iron core subassembly 93 of coil 92 inside and according to coil 92's the circular telegram and reciprocating motion of cover locating, solenoid 92 is connected with the power, the both ends of iron core subassembly 93 are provided with reset spring 94 and connecting rod 95 respectively, reset spring 94's both ends respectively with iron core subassembly 93 and 2 inner wall fixed connection of carriage, the both ends of connecting rod 95 respectively with iron core subassembly 93 and strike a 91 fixed connection.
In this embodiment, the second knocking assembly 9 is further provided with an auxiliary knocking unit, the auxiliary knocking unit includes a pneumatic knocking hammer 11 which is matched with the electromagnetic coil 92 assembly to operate, and an output end of the pneumatic knocking hammer 11 is connected with the connecting rod 95; the second strikes the subassembly 9 and is a plurality of, just the upper and lower end of carriage 2 left and right sides wall is provided with a set of second respectively the symmetry and strikes the subassembly 9.
In other embodiments, the power unit may use hydraulic device, pneumatic device, etc. to provide power.
Through the technical scheme, the second knocking component is started simultaneously during pouring, and the electromagnetic coil is electrified, the iron core component moves towards the pipe die direction under the action of electromagnetic force to drive the knocking piece to knock the outer wall of the pipe die to generate vibration, at the moment, the reset spring stores energy, the power supply is cut off or the current is reduced, the electromagnetic force disappears or is reduced, the reset spring brings the iron core back, the power supply is reconnected or the current is increased, the iron core component and the knocking electricity repeat the operations to knock the pipe die, the operation is circulated, the pipe die is knocked from the outside of the pipe die, meanwhile, the size of the electromagnetic force can be controlled by controlling the size of the current, so that the knocking force can be controlled, and meanwhile, the pneumatic knocking hammer can be selectively started to increase the knocking force properly when the electromagnetic coil is electrified, so that the vibrating effect is further improved, the vibrating uniformity is improved, and the quality of the reinforced concrete pipe is ensured.
A vertical vibration forming process of a reinforced concrete pipe comprises the following detailed steps:
s1: a production line is configured: selecting a plurality of groups of pipe dies, wherein each pipe die comprises a bottom die (bottom support), an outer die and an inner die, and forming each group of pipe dies into a mold, selecting longitudinal steel bars and circumferential steel bars and performing roll welding to form a steel bar framework by using a roll welding device, detecting each pipe die and the steel bar framework, ensuring the quality to be qualified, after the detection is qualified, filling one steel bar framework into each group of pipe dies, after the steel bar frameworks are installed, then installing the pipe dies on conveying rails on a base, keeping the pipe dies arranged at intervals, and conveying the pipe dies through the conveying rails to form a production line;
s2: preparing concrete: mixing cement, sand, stone and water according to the proportion of 1: 2: 2: 0.2, adjusting the proportion according to actual requirements, fully stirring for later use, and waiting for feeding;
s3: and (3) casting molding: the conveying track is driven to move on the base through the transmission assembly, the installed pipe dies are conveyed, one pipe die is conveyed into the supporting frame, the center of the pipe die is aligned with the center of the aligned supporting frame, prepared concrete slurry is injected into the pipe die from the upper part of the pipe die, the vibrating device is synchronously opened during pouring, and pouring is carried out while vibrating, wherein the mechanical vibrator is opened, the first knocking assembly and the vibrating rod are lowered by the lifting assembly, so that the first knocking assembly can knock the pipe die and the vibrating rod enters the pipe die to vibrate, and meanwhile, the first knocking assembly and the second knocking assembly vibrate in the pouring process; continuously vibrating until the pouring is finished, closing the vibrating device, controlling the lifting device to move the first gun assembly and the vibrating rod upwards, conveying the sliding rails to work again, sending out the poured reinforced concrete pipe and the pipe die together, and starting pouring the next pipe die;
s4: and (3) demolding and maintaining: and (3) demolding and maintaining the concrete pouring piece half an hour after pouring is finished, disassembling the outer mold, the inner mold and the bottom mold, then placing the reinforced concrete pipe in a steam chamber at 50-90 ℃ for maintenance by using steam, and maintaining for 4-8 hours to obtain a finished product.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (10)
1. The utility model provides a vertical vibrating and forming equipment of reinforced concrete pipe which characterized in that: the pipe die is arranged on the conveying slide rail, the supporting frame is a rectangular frame with front and back openings and four closed sides, and the conveying slide rail penetrates through the supporting frame; the vibrating device comprises two groups of mechanical vibrating machines arranged at the lower end of the base, a first knocking assembly arranged in the supporting frame and a lifting assembly arranged on the supporting frame and used for controlling the first knocking assembly to lift, wherein the mechanical vibrating machines are located at the bottom of the supporting frame, the first knocking assembly comprises a hanging plate, a knocking motor, a rotating shaft and a knocking rod, the hanging plate is connected with the lifting assembly, the knocking motor is arranged at the bottom of the hanging plate, the rotating shaft is arranged at the bottom of the knocking motor and fixedly connected with the output end of the knocking motor, and the knocking rod is uniformly arranged on the rotating shaft.
2. The vertical vibration forming apparatus for a reinforced concrete pipe according to claim 1, wherein: and one end of the knocking rod, which is far away from the rotating shaft, is provided with knocking balls, and the knocking balls are connected with the knocking rod through elastic rubber strips.
3. The vertical vibration forming apparatus for a reinforced concrete pipe according to claim 1, wherein: the base lower extreme is provided with the support column, be provided with the vibration mound between support column and the base, the vibration groove has been seted up on the vibrations mound, be equipped with vibrating spring in the vibration groove.
4. The vertical vibration forming apparatus for a reinforced concrete pipe according to claim 1, wherein: the pipe die comprises an outer die, an inner die and a bottom die, wherein the bottom die is in contact with the conveying slide rail, an isolation film is arranged on the outer side wall of the inner die, a water hole is formed in the inner die, and a water absorbing layer, a sealing layer and a protective layer are sequentially arranged on the inner side of the inner die.
5. The vertical vibration forming apparatus for a reinforced concrete pipe according to claim 1, wherein: the hanging scaffold bottom still is provided with the tamping bar that shakes, the tamping bar centers on first subassembly setting of strikeing, just the tamping bar that shakes corresponds the setting in pipe die upper end.
6. The vertical vibration forming apparatus for a reinforced concrete pipe according to claim 1, wherein: the lifting assembly comprises a traction motor arranged at the upper end of the supporting frame, the head of a rotating shaft of the traction motor is connected with a rotating wheel, a steel wire rope is connected in the rotating wheel in a rotating mode, one end of the steel wire rope is fixedly connected with the rotating wheel, and the other end of the steel wire rope penetrates into the supporting frame to be connected with the hanging scaffold.
7. The vertical vibration molding apparatus for a reinforced concrete pipe according to any one of claims 1 to 6, wherein: still be provided with the second in the carriage and strike the subassembly, the second strikes the subassembly and strikes the power pack that the piece was including strikeing and be used for driving to strike reciprocating motion about the piece, power pack installs on the carriage inner wall.
8. The vertical vibration forming apparatus for a reinforced concrete pipe according to claim 7, wherein: the power unit comprises an electromagnetic coil assembly, the electromagnetic coil assembly comprises a coil and a coil core assembly, the coil is arranged inside the coil in a sleeved mode, the coil core assembly reciprocates according to the on-off state of the coil, the two ends of the core assembly are respectively provided with a reset spring and a connecting rod, the two ends of the reset spring are respectively fixedly connected with the core assembly and the inner wall of the supporting frame, and the two ends of the connecting rod are respectively fixedly connected with the core assembly and a knocking piece.
9. The vertical vibration forming apparatus for a reinforced concrete pipe according to claim 8, wherein: the second knocking component is further provided with an auxiliary knocking unit, the auxiliary knocking unit comprises a pneumatic knocking hammer matched with the electromagnetic coil component for operation, and the output end of the pneumatic knocking hammer is connected with the connecting rod.
10. The forming process of the vertical vibrating and forming equipment for the reinforced concrete pipe based on the claim 1 is characterized in that: the method comprises the following steps:
s1: a production line is configured: selecting a plurality of groups of pipe dies, performing synthetic molding on each group of pipe dies, selecting reinforcing steel bars, performing roll welding to form a framework by using a roll welding device, detecting the pipe dies and the framework, filling the framework into each group of pipe dies after the detection is qualified, then installing the pipe dies filled into the framework on a conveying track on a base, and keeping the pipe dies arranged at intervals;
s2: preparing concrete: mixing cement, sand, stone and water according to the proportion of 1: 2: 2: 0.2, mixing, fully stirring for later use, and waiting for feeding;
s3: and (3) casting molding: the transmission assembly drives the conveying track to move on the base, the installed pipe dies are conveyed, one pipe die is conveyed into the supporting frame to be aligned, prepared concrete slurry is injected into the pipe die, the vibrating device is opened in the pouring process, the pipe die is vibrated and poured, the mechanical vibrator is opened, the first knocking assembly and the vibrating rod are lowered by the lifting assembly, and the first knocking assembly and the second knocking assembly vibrate together in the pouring process; continuously vibrating until the pouring is finished, closing the vibrating device, enabling the conveying slide rail to work again to convey the poured reinforced concrete pipe and the pipe die together, and starting pouring of the next pipe die;
s4: and (3) demolding and maintaining: and demolding and maintaining the concrete pouring piece after the pouring is completed for half an hour.
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| CN117301286A (en) * | 2023-11-02 | 2023-12-29 | 中国建筑第五工程局有限公司 | Reinforcement cage concrete grouting device for green construction |
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| CN118123966A (en) * | 2024-05-06 | 2024-06-04 | 广州华隧威预制件有限公司 | Intelligent prefabrication system and prefabrication method for ultra-high-performance concrete stair component |
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Application publication date: 20200828 Assignee: ZHEJIANG JUTONG PIPES INDUSTRY Co.,Ltd. Assignor: Zhejiang Huibo cement products Co.,Ltd. Contract record no.: X2021980008301 Denomination of invention: A vertical vibration forming process of reinforced concrete pipe and its forming equipment Granted publication date: 20210723 License type: Common License Record date: 20210827 |