CN114789507B - Production and construction process for ultra-large prefabricated pipe joint - Google Patents
Production and construction process for ultra-large prefabricated pipe joint Download PDFInfo
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- CN114789507B CN114789507B CN202210541107.1A CN202210541107A CN114789507B CN 114789507 B CN114789507 B CN 114789507B CN 202210541107 A CN202210541107 A CN 202210541107A CN 114789507 B CN114789507 B CN 114789507B
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- pipe joint
- prefabricated pipe
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Classifications
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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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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21F—WORKING OR PROCESSING OF METAL WIRE
- B21F11/00—Cutting wire
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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
- B28B17/00—Details of, or accessories for, apparatus for shaping the material; Auxiliary measures taken in connection with such shaping
- B28B17/0036—Cutting means, e.g. water jets
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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
- B28B21/56—Methods or machines specially adapted for the production of tubular articles incorporating reinforcements or inserts
- B28B21/60—Methods or machines specially adapted for the production of tubular articles incorporating reinforcements or inserts prestressed reinforcements
Abstract
The invention provides a production and construction process of an oversized prefabricated pipe joint, which belongs to the technical field of prefabricated pipe joints and comprises the following steps of: step one: installing the steel bars through the moving plate and the fixed plate, and conveying the steel bars into the pouring cavity through the conveying device; step two: injecting cement into the pouring cavity through the pouring opening, and waiting for the cement to coagulate; step three: after the cement is completely coagulated, starting a hydraulic cylinder to drive a bottom die to move downwards, and pushing a top die to move upwards by the downward movement of the bottom die through a lifting mechanism to demould the prefabricated pipe joint; step four: the support plate is driven to move through the moving mechanism, so that the support plate moves the prefabricated pipe joint to the outside of the pouring cavity, and finally, the prefabricated pipe joint is unloaded; the device can carry out automatic drawing of patterns to prefabricated tube coupling through the removal of top mould and die block to remove prefabricated tube coupling to the outside of pouring the chamber through moving mechanism, make the convenience of unloading to prefabricated tube coupling.
Description
Technical Field
The invention belongs to the technical field of prefabricated pipe joints, and particularly relates to a production and construction process of an oversized prefabricated pipe joint.
Background
Along with the acceleration of urban underground utility tunnel construction rhythm, assembled concrete utility tunnel is promoted to the unprecedented height, and assembled concrete utility tunnel will become the trend product of urban underground utility tunnel construction with its inherent advantage, and assembled underground utility tunnel standard section adopts prefabricated tube coupling to assemble and forms, and prefabricated tube coupling can be produced at the prefabrication mill, in order to conveniently to the production of oversized prefabricated tube coupling, need divide into two parts with complete prefabricated tube coupling, through carrying out the concatenation with the prefabricated tube coupling of two parts into a complete prefabricated tube coupling and use.
When the existing prefabricated pipe joint is poured, the prefabricated pipe joint is large, so that the demolding of the prefabricated pipe joint is inconvenient, and the working efficiency of the device is easily affected.
Disclosure of Invention
The invention aims to provide a production and construction process of an oversized prefabricated pipe joint, and aims to solve the problem that the working efficiency of the device is easily affected due to the fact that the prefabricated pipe joint is large and the demolding of the prefabricated pipe joint is very inconvenient when pouring is carried out on the prefabricated pipe joint in the prior art.
In order to achieve the above purpose, the present invention provides the following technical solutions: the production and construction process of the ultra-large prefabricated pipe joint comprises the following steps of:
step one: installing the steel bars through the moving plate and the fixed plate, and conveying the steel bars into the pouring cavity through the conveying device;
step two: injecting cement into the pouring cavity through the pouring opening, and waiting for the cement to coagulate;
step three: after the cement is completely coagulated, starting a hydraulic cylinder to drive a bottom die to move downwards, and pushing a top die to move upwards by the downward movement of the bottom die through a lifting mechanism to demould the prefabricated pipe joint;
step four: the prefabricated pipe joint after demoulding is moved out of the pouring cavity through a moving mechanism, and then is unloaded through unloading equipment;
according to a further technical scheme, the production equipment comprises a base, a bottom die is arranged on the base through a hydraulic cylinder, a top die positioned above the bottom die is arranged on the base, a pouring cavity is arranged between the top dies of the bottom die, a pouring opening communicated with the interior of the pouring cavity is formed in the top die, a supporting plate at the bottom of the pouring cavity is arranged on the base, a lifting mechanism positioned below the supporting plate is arranged on the base, the lifting mechanism drives the top die to move upwards through downward movement of the bottom die, and a moving mechanism capable of driving the supporting plate to move towards the outside of the pouring cavity is arranged on the base.
In order to enable the ultra-large prefabricated pipe joint production and construction process to have the effect of lifting the top die upwards, as one preferable mode of the invention, the lifting mechanism comprises pressing plates arranged on two sides of the base, the middle parts of the pressing plates are rotationally connected to the base, one ends of the pressing plates are positioned below the bottom die, the other ends of the pressing plates are hinged with pushing plates, and one ends of the pushing plates, far away from the pressing plates, are hinged to one side of the top die.
In order to enable the ultra-large prefabricated pipe joint production construction process to have the effect of moving the prefabricated pipe outwards, as one preferable mode of the invention, the moving mechanism comprises a first lead screw which is connected with two sides of a supporting plate in a threaded mode, the supporting plate is connected to a base in a sliding mode through a sliding groove, one end of the first lead screw is fixedly connected with a first chain wheel, a first driving device is fixedly arranged on the base, the output end of the first driving device is fixedly connected with a second chain wheel, and the second chain wheel drives the first chain wheel to rotate through a chain.
In order to enable the ultra-large prefabricated pipe joint production construction process to have the function of conveying the reinforcing steel bars, as one preferable mode of the invention, a conveying device for conveying the reinforcing steel bars is arranged on the base, the conveying device comprises a sliding piece sliding on the base, a second driving device for driving the sliding piece to slide on the base is arranged on the base, one end of the sliding piece is fixedly connected with a moving plate, a first unidirectional feeding device for conveying the reinforcing steel bars into a pouring cavity is arranged on the moving plate, one side of the supporting plate is provided with a baffle for sealing one side of the pouring cavity, the reinforcing steel bars penetrate into the pouring cavity through the baffle, one end of the base is fixedly connected with a fixed plate, a second unidirectional feeding device for preventing the reinforcing steel bars from returning is arranged on the fixed plate, one end of the sliding piece, which is far away from the moving plate, is provided with a sliding plate sliding up and down, the sliding plate synchronously moves through a connecting plate and a bottom die, one end of the sliding plate is fixedly connected with a guide rod for guiding the reinforcing steel bars, and one end of the guide rod is provided with a U-shaped groove for butting one end of the reinforcing steel bars.
In order to enable the ultra-large prefabricated pipe joint production construction process to have the function of conveying the steel bars, as one preferable mode of the invention, the first unidirectional feeding device comprises a top plate hinged on a movable plate, the top plate is two elastic sheets respectively arranged on two sides of the steel bars, the movable plate is provided with an elastic sheet for pushing one end of the top plate to approach the steel bars, and one end of the top plate, which is close to the steel bars, is provided with a tip.
In order to enable the production and construction process of the ultra-large prefabricated pipe joint to have the function of conveying reinforcing steel bars, the second unidirectional feeding device and the first unidirectional feeding device are preferably identical in structure.
In order to enable the ultra-large prefabricated pipe joint production construction process to have the function of cutting steel bars, as one preferable mode of the invention, one end of the bottom die is fixedly connected with a first cutting plate, an arc-shaped groove which can be used for the steel bars to pass through is formed in the first cutting plate, a first knife edge surface which can cut the steel bars is arranged at the edge of the top of the arc-shaped groove, a second cutting plate is slidably connected to one end of the top die, which is far away from the first cutting plate, of the top die, a pressing plate extends to one side, which is far away from the bottom die, is fixedly connected with a convex column at the extending position, extension plates extending to the upper side of the convex column are arranged on two sides of the second cutting plate, the convex column can push the second cutting plate to move upwards through the extension plates, a through hole which can enable the steel bars to pass through is formed in the second cutting plate, and a second knife edge surface which can cut the steel bars are arranged at the edge of the through hole.
Preferably, the first driving device is a driving motor.
In order to enable the ultra-large prefabricated pipe joint production and construction process to have the function of driving the sliding part to move, as one preferable mode of the invention, the second driving device comprises a second lead screw which is connected with the inside of the sliding part in a threaded mode, and a driving motor for driving the second lead screw to rotate is fixedly arranged on the fixing plate.
Compared with the prior art, the invention has the beneficial effects that:
1. this super large prefabricated pipe section production construction process, at first pour into cement through pouring the inside of mouth to pouring the chamber, drive the die block through the pneumatic cylinder and move down after the cement condenses, can make die block and prefabricated pipe section break away from, can drive the top mould through lifting mechanism when the die block moves down and upwards move for the top mould can break away from with the prefabricated pipe section, afterwards remove through moving mechanism drive backup pad, make the backup pad remove the prefabricated pipe section to the outside of pouring the chamber, afterwards unload the prefabricated pipe section, the device can carry out automatic drawing of patterns to the prefabricated pipe section through the removal of top mould and die block, and remove the prefabricated pipe section to the outside of pouring the chamber through moving mechanism, make the convenience of unloading to the prefabricated pipe section.
2. This ultra-large prefabricated tube coupling production construction process at first passes movable plate and fixed plate with the reinforcing bar to install first one-way material feeding unit and second one-way material feeding unit on movable plate and fixed plate, first one-way material feeding unit and second one-way material feeding unit can just make the reinforcing bar move towards a single direction, second drive arrangement can make the slider drive movable plate remove through the drive slider removal, the removal of movable plate accessible first one-way material feeding unit carries the reinforcing bar to the inside of pouring the chamber, when carrying the reinforcing bar, through setting up the one end contact of guide bar and reinforcing bar, make the one end of reinforcing bar take on U type groove, thereby can fix a position the transport of reinforcing bar, can effectively avoid the reinforcing bar to make the reinforcing bar crooked because of gravity when pouring the inside in the chamber, the device can carry out autoloading to the reinforcing bar, make the device use more convenient.
3. This super large prefabricated pipe section production construction process when drawing of patterns to prefabricated pipe section, can make the one end of clamp plate upwards move through the downwardly moving of die block to the projection that makes on the clamp plate promotes the extension board and upwards moves, and the extension board drives the second and cuts off the board and upwards move, can cut off the clout of reinforcing bar one end through the second sword face on the second cuts off the board, can drive first cutting off board when taking the die block downwardly moving, can cut off the reinforcing bar through the first sword face that sets up on the first cutting off board, the device also possesses the effect of automatic cutting off the reinforcing bar when having automatic feeding to the reinforcing bar, thereby makes the device use more conveniently.
Drawings
The accompanying drawings are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate the invention and together with the embodiments of the invention, serve to explain the invention. In the drawings:
FIG. 1 is a schematic view of a structure of one side of an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a bottom die according to an embodiment of the present invention:
FIG. 3 is a schematic view of another embodiment of the present invention;
FIG. 4 is a front view of an embodiment of the present invention;
FIG. 5 is an axial cross-sectional view taken along line A-A of FIG. 4;
FIG. 6 is a side view of an embodiment of the present invention;
FIG. 7 is a cross-sectional view taken along line B-B in FIG. 6;
FIG. 8 is an enlarged schematic view of the structure shown at A in FIG. 5;
FIG. 9 is a schematic view of the structure of the base and the support plate according to the embodiment of the present invention;
fig. 10 is a schematic structural view of a sliding plate according to an embodiment of the present invention.
In the figure: 1. a base; 2. a hydraulic cylinder; 3. a bottom die; 4. a top mold; 5. pouring the cavity; 6. pouring the port; 7. a support plate; 8. a lifting mechanism; 801. a pressing plate; 802. a push plate; 9. a moving mechanism; 901. a first lead screw; 902. a first sprocket; 903. a first driving device; 904. a second sprocket; 905. a chute; 10. reinforcing steel bars; 11. a conveying device; 1101. a slider; 1102. a second driving device; 1103. a moving plate; 1104. a first unidirectional feeding device; 11041. a top plate; 11042. an elastic sheet; 1105. a fixing plate; 1106. a second unidirectional feeding device; 1107. a sliding plate; 1108. a guide rod; 1109. a U-shaped groove; 1110. a baffle; 1111. a connecting plate; 12. an arc-shaped groove; 13. a first knife edge surface; 14. a first cut-off plate; 15. a second cutoff plate; 16. an extension plate; 17. a convex column; 18. and a second lead screw.
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.
Referring to fig. 1-10, a production and construction process of an oversized prefabricated pipe joint comprises the following steps:
step one: installing the steel bar 10 through the moving plate 1103 and the fixed plate 1105, and conveying the steel bar 10 to the inside of the pouring cavity 5 through the conveying device 11;
step two: cement is injected into the pouring cavity 5 through the pouring opening 6, and cement condensation is waited for;
step three: after the cement is completely coagulated, starting a hydraulic cylinder 2 to drive a bottom die 3 to move downwards, and pushing a top die 4 to move upwards by the downward movement of the bottom die 3 through a lifting mechanism 8 to demold the prefabricated pipe joint;
step four: the support plate 7 is driven to move through the moving mechanism 9, so that the support plate 7 moves the prefabricated pipe joint to the outside of the pouring cavity 5, and finally, the prefabricated pipe joint is unloaded;
specifically, the production equipment that ultra-large prefabricated pipe joint production construction technology adopted, this production equipment includes base 1, be provided with die block 3 through pneumatic cylinder 2 on the base 1, be provided with the top mould 4 that is located die block 3 top on the base 1, be provided with between 3 top moulds 4 of die block and pour chamber 5, be provided with on the top mould 4 with pour the communicating pouring mouth 6 in chamber 5 inside, be provided with the backup pad 7 of pouring chamber 5 bottoms on the base 1, be provided with the lifting mechanism 8 that is located backup pad 7 below on the base 1, lifting mechanism 8 drives the upward movement of top mould 4 through the downward movement of die block 3, be provided with the mobile mechanism 9 that can drive backup pad 7 to pour chamber 5 outside removal on the base 1.
In the concrete embodiment of the invention, cement is injected into the pouring cavity 5 through the pouring opening 6, after the cement is condensed, the bottom die 3 is driven to move downwards through the hydraulic cylinder 2, so that the bottom die 3 and the prefabricated pipe joint can be separated, the top die 4 can be driven to move upwards through the lifting mechanism 8 while the bottom die 3 moves downwards, so that the top die 4 and the prefabricated pipe joint can be separated, then the supporting plate 7 is driven to move through the moving mechanism 9, so that the supporting plate 7 moves the prefabricated pipe joint to the outside of the pouring cavity 5, and then the prefabricated pipe joint is unloaded.
Specifically, lifting mechanism 8 is including setting up the clamp plate 801 in base 1 both sides, the middle part of clamp plate 801 rotates to be connected on base 1, the one end of clamp plate 801 is located the below of die block 3, the other end of clamp plate 801 articulates there is push pedal 802, the one end that clamp plate 801 was kept away from to push pedal 802 articulates in one side of top die 4, can press the one end of clamp plate 801 to move down through die block 3, the middle part of clamp plate 801 rotates to be connected on base 1, can make the other end of clamp plate 801 upwards move through the lever principle, thereby can make the one end of clamp plate 801 promote through push pedal 802 top die 4 upwards to remove, thereby realized top die 4 and die block 3 to the effect of prefabricated tube coupling drawing of patterns.
Specifically, the moving mechanism 9 includes a first screw 901 screwed on two sides of the supporting plate 7, the supporting plate 7 is slidably connected on the base 1 through a sliding groove 905, one end of the first screw 901 is fixedly connected with a first sprocket 902, a first driving device 903 is fixedly mounted on the base 1, the output end of the first driving device 903 is fixedly connected with a second sprocket 904, the second sprocket 904 drives the first sprocket 902 to rotate through a chain, the second sprocket 904 can drive the first sprocket 902 to rotate through the rotation of the first driving device 903, the rotation of the first sprocket 902 can drive the first screw 901 to rotate, the rotation of the first screw 901 can enable the supporting plate 7 to slide on the base 1, the prefabricated pipe joint can be moved out of the pouring cavity 5 through the sliding of the supporting plate 7, and accordingly the prefabricated pipe joint can be conveniently discharged.
Further, a conveying device 11 for conveying the reinforcing steel bars 10 is arranged on the base 1, the conveying device 11 comprises a sliding part 1101 sliding on the base 1, a second driving device 1102 for driving the sliding part 1101 to slide on the base 1 is arranged on the base 1, one end of the sliding part 1101 is fixedly connected with a moving plate 1103, a first one-way feeding device 1104 for conveying the reinforcing steel bars 10 into the pouring cavity 5 is arranged on the moving plate 1103, a baffle 1110 for sealing one side of the pouring cavity 5 is arranged on one side of the supporting plate 7, the reinforcing steel bars 10 penetrate into the pouring cavity 5 through the baffle 1110, one end of the base 1 is fixedly connected with a fixed plate 1105, a second one-way feeding device 1106 for preventing the reinforcing steel bars 10 from returning is arranged on the fixed plate 1105, one end of the sliding part 1101 away from the moving plate 1103 is provided with a sliding plate 1107 sliding up and down, the sliding plate 1107 synchronously moves through the connecting plate 1111 and the bottom die 3 which are inserted on the bottom die 3, the sliding plate 1107 is fixedly connected with a guide rod 1108 for guiding the steel bar 10, one end of the guide rod 1108 is provided with a U-shaped groove 1109 for butting one end of the steel bar 10, the steel bar 10 firstly passes through the moving plate 1103 and the fixed plate 1105, a first unidirectional feeding device 1104 and a second unidirectional feeding device 1106 are arranged on the moving plate 1103 and the fixed plate 1105, the first unidirectional feeding device 1104 and the second unidirectional feeding device 1106 can move the steel bar 10 towards a single direction, the second driving device 1102 can move the sliding part 1101 by driving the sliding part 1101, the sliding part 1101 can drive the moving plate 1103 to move, the moving of the moving plate 1103 can convey the steel bar into the pouring cavity 5 through the first unidirectional feeding device 1104, when the steel bar 10 is conveyed, one end of the steel bar 10 is lapped on the U-shaped groove 1109 through the guide rod 1108 arranged on the sliding plate 1007 and one end of the steel bar 10, thereby can fix a position the transport of reinforcing bar 10, can effectively avoid reinforcing bar 10 to make the reinforcing bar crooked because of gravity when pouring the inside in chamber 5, the device can carry out autoloading to the reinforcing bar for the device uses more conveniently, through set up connecting plate 1111 on slide plate 1107, and make connecting plate 1111 peg graft in the inside of die block 3, thereby can make die block 3 drive slide plate 1107 reciprocate, thereby avoided backup pad 7 to drive when the preformed tube outwards removes with slide plate 1107 production interference.
Specifically, the first unidirectional feeding device 1104 includes a top plate 11041 hinged on the moving plate 1103, the top plate 11041 is two elastic pieces 11042 respectively arranged at two sides of the reinforcing steel bar 10, an elastic piece 11042 pushing one end of the top plate 11041 to approach the reinforcing steel bar 10 is arranged on the moving plate 1103, a tip is arranged at one end of the top plate 11041 to approach the reinforcing steel bar 10, when the moving plate 1103 moves to the pouring cavity 5, one end of the top plate 11041 contacts the reinforcing steel bar 10 and applies force to the top plate 11041 through the elastic piece 11042, so that the top plate 11041 drives the reinforcing steel bar 10 to move, and when the moving plate 1103 moves back, the reinforcing steel bar 10 can be prevented from returning through the second unidirectional feeding device 1106, thereby achieving the effect of conveying the reinforcing steel bar to the inside of the pouring cavity 5.
Further, the second unidirectional feeding device 1106 has the same structure as the first unidirectional feeding device 1104.
Further, the first cutting board 14 of one end fixedly connected with of die block 3, the arc groove 12 that can be used to the reinforcing bar 10 to pass through has been seted up on the first cutting board 14, the edge at arc groove 12 top is for the first knife edge face 13 that can cut off the reinforcing bar 10, the one end sliding connection that the die block 3 was kept away from to the roof mold 4 has the second cutting board 15, the clamp plate 801 extends to the one side of keeping away from die block 3 and in extension department fixedly connected with boss 17, the both sides of second cutting board 15 are provided with the extension board 16 that extends to boss 17 top, the accessible extension board 16 promotes second cutting board 15 upward movement, be provided with the through-hole that can make reinforcing bar 10 pass on the second cutting board 15, the edge of through-hole is provided with the second knife edge face that is used for cutting off reinforcing bar 10, when carrying out the drawing of patterns to prefabricated pipe joint, thereby the one end upward movement of clamp plate 801 can be made through the downward movement of boss 17, the extension board 16 drive the second cutting board 15 upward movement, can also cut off the reinforcing bar 14 through the second cutting board 15 upward movement to the first cutting edge face through the automatic cutout device that can make the reinforcing bar 13 simultaneously, the automatic cutout device can be carried out to the reinforcing bar 13 simultaneously.
Preferably, the first driving device 903 is a driving motor.
Specifically, the second driving device 1102 includes a second screw 18 screwed inside the slider 1101, a driving motor for driving the second screw 18 to rotate is fixedly mounted on the fixing plate 1105, the second screw 18 can be driven to rotate by the rotation of the driving motor, and the slider 1101 can be started to move by the rotation of the second screw 18.
In the description of the present invention, unless explicitly stated and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.
Claims (9)
1. The production and construction process of the ultra-large prefabricated pipe joint is characterized by comprising the following steps of:
step one: installing the steel bar (10) through a moving plate (1103) and a fixed plate (1105), and conveying the steel bar (10) into the pouring cavity (5) through a conveying device (11);
step two: injecting cement into the pouring cavity (5) through the pouring opening (6), and waiting for the cement to coagulate;
step three: after the cement is completely coagulated, a hydraulic cylinder (2) is started to drive a bottom die (3) to move downwards, the bottom die (3) moves downwards, a lifting mechanism (8) pushes a top die (4) to move upwards, and the prefabricated pipe joint is demolded;
step four: the support plate (7) is driven to move through the moving mechanism (9), so that the support plate (7) moves the prefabricated pipe joint to the outside of the pouring cavity (5), and finally the prefabricated pipe joint is unloaded;
the production equipment comprises a base (1), a bottom die (3) is arranged on the base (1) through a hydraulic cylinder (2), a top die (4) located above the bottom die (3) is arranged on the base (1), a pouring cavity (5) is arranged between the top dies (4) of the bottom die (3), a pouring opening (6) communicated with the inside of the pouring cavity (5) is formed in the top die (4), a supporting plate (7) at the bottom of the pouring cavity (5) is arranged on the base (1), a lifting mechanism (8) located below the supporting plate (7) is arranged on the base (1), the lifting mechanism (8) drives the top die (4) to move upwards through downward movement of the bottom die (3), and a moving mechanism (9) capable of driving the supporting plate (7) to move outwards of the pouring cavity (5) is arranged on the base (1).
2. The ultra-large prefabricated pipe joint production and construction process according to claim 1, wherein the production and construction process comprises the following steps of: lifting mechanism (8) are including setting up clamp plate (801) in base (1) both sides, the middle part of clamp plate (801) rotates to be connected on base (1), the one end of clamp plate (801) is located the below of die block (3), the other end of clamp plate (801) articulates there is push pedal (802), the one end that clamp plate (801) was kept away from to push pedal (802) articulates in one side of top mould (4).
3. The ultra-large prefabricated pipe joint production and construction process according to claim 2, wherein the production and construction process comprises the following steps of: the moving mechanism (9) comprises first lead screws (901) which are connected to two sides of a supporting plate (7) in a threaded mode, the supporting plate (7) is connected to a base (1) in a sliding mode through sliding grooves (905), one end of each first lead screw (901) is fixedly connected with a first sprocket (902), a first driving device (903) is fixedly installed on the base (1), the output end of each first driving device (903) is fixedly connected with a second sprocket (904), and the second sprocket (904) drives the first sprocket (902) to rotate through a chain.
4. The ultra-large prefabricated pipe joint production and construction process according to claim 2, wherein the production and construction process comprises the following steps of: the base (1) is provided with a conveying device (11) for conveying the reinforcing steel bars (10), the conveying device (11) comprises a sliding piece (1101) sliding on the base (1), the base (1) is provided with a second driving device (1102) for driving the sliding piece (1101) to slide on the base (1), one end of the sliding piece (1101) is fixedly connected with a moving plate (1103), the moving plate (1103) is provided with a first unidirectional feeding device (1104) for conveying the reinforcing steel bars (10) into the pouring cavity (5), one side of the supporting plate (7) is provided with a baffle (1110) for sealing one side of the pouring cavity (5), the reinforcing steel bars (10) penetrate into the pouring cavity (5) through the baffle (1110), one end of the base (1) is fixedly connected with a fixed plate (1106), one end of the fixed plate (1103) which is provided with a second unidirectional feeding device (1106) for preventing the reinforcing steel bars (10) from returning, one end of the sliding piece (1101) away from the moving plate (1103) is provided with a sliding plate (1104) which slides up and down, and the sliding plate (1107) is connected with the bottom die (1105) through the baffle (1105) and the bottom die (1107), the sliding plate (1107) is fixedly connected with a guide rod (1108) for guiding the reinforcing steel bars (10), and one end of the guide rod (1108) is provided with a U-shaped groove (1109) for butt joint of one ends of the reinforcing steel bars (10).
5. The ultra-large prefabricated pipe joint production and construction process according to claim 4, wherein the production and construction process comprises the following steps of: the first unidirectional feeding device (1104) comprises a top plate (11041) hinged on a moving plate (1103), the top plate (11041) is two sides which are respectively arranged on the reinforcing steel bars (10), an elastic sheet (11042) which pushes one end of the top plate (11041) to approach the reinforcing steel bars (10) is arranged on the moving plate (1103), and a tip is arranged at one end of the top plate (11041) which approaches the reinforcing steel bars (10).
6. The ultra-large prefabricated pipe joint production and construction process according to claim 5, wherein the production and construction process comprises the following steps of: the second unidirectional feeding device (1106) and the first unidirectional feeding device (1104) have the same structure.
7. The ultra-large prefabricated pipe joint production and construction process according to claim 3, wherein the production and construction process comprises the following steps of: the utility model discloses a cutting die, including die block (3), arc groove (12) that can be used to reinforcing bar (10) to pass through is offered on die block (3), arc groove (12) top's edge is first knife edge face (13) that can cut off reinforcing bar (10), one end sliding connection that die block (4) were kept away from first cutting plate (14) has second cutting plate (15), clamp plate (801) are to the one side extension of keeping away from die block (3) and in extension fixedly connected with projection (17), extension board (16) that extend to projection (17) top are provided with to the both sides of second cutting plate (15), projection (17) accessible extension board (16) promote second cutting plate (15) upward movement, be provided with the through-hole that can make reinforcing bar (10) pass on second cutting plate (15), the edge of through-hole is provided with the second knife edge that is used for cutting off reinforcing bar (10).
8. The ultra-large prefabricated pipe joint production and construction process according to claim 3, wherein the production and construction process comprises the following steps of: the first driving device (903) is a driving motor.
9. The ultra-large prefabricated pipe joint production and construction process according to any one of claims 4-6, which is characterized in that: the second driving device (1102) comprises a second lead screw (18) which is in threaded connection with the inside of the sliding piece (1101), and a driving motor for driving the second lead screw (18) to rotate is fixedly arranged on the fixing plate (1105).
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| JP2000296516A (en) * | 1999-04-15 | 2000-10-24 | Nippon Ps:Kk | Production of prestress-introduced precast concrete segment |
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| CN114474304A (en) * | 2022-02-14 | 2022-05-13 | 中交上海航道局有限公司 | Pouring equipment for large-scale circular arc porous thin-wall plain concrete structure |
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| JP2000296516A (en) * | 1999-04-15 | 2000-10-24 | Nippon Ps:Kk | Production of prestress-introduced precast concrete segment |
| CN108687950A (en) * | 2018-04-03 | 2018-10-23 | 中铁局集团厦门建设工程有限公司 | A kind of prefabricated trolley of pipe gallery and piping lane method for prefabricating |
| CN109605547A (en) * | 2018-12-13 | 2019-04-12 | 中国葛洲坝集团第六工程有限公司 | A kind of prefabricated piping lane rapid molding device and method |
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