CN112589972A - Prefabricated pipe gallery die and construction method thereof - Google Patents

Prefabricated pipe gallery die and construction method thereof Download PDF

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Publication number
CN112589972A
CN112589972A CN202011343151.9A CN202011343151A CN112589972A CN 112589972 A CN112589972 A CN 112589972A CN 202011343151 A CN202011343151 A CN 202011343151A CN 112589972 A CN112589972 A CN 112589972A
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CN
China
Prior art keywords
die
mould
rear end
outer side
pipe gallery
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CN202011343151.9A
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Chinese (zh)
Inventor
陈沣
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Shanghai Chongchuang Electromechanical Technology Co ltd
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Shanghai Chongchuang Electromechanical Technology Co ltd
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Application filed by Shanghai Chongchuang Electromechanical Technology Co ltd filed Critical Shanghai Chongchuang Electromechanical Technology Co ltd
Priority to CN202011343151.9A priority Critical patent/CN112589972A/en
Publication of CN112589972A publication Critical patent/CN112589972A/en
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B28WORKING CEMENT, CLAY, OR STONE
    • B28BSHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
    • B28B7/00Moulds; Cores; Mandrels
    • B28B7/22Moulds for making units for prefabricated buildings, i.e. units each comprising an important section of at least two limiting planes of a room or space, e.g. cells; Moulds for making prefabricated stair units
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B28WORKING CEMENT, CLAY, OR STONE
    • B28BSHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
    • B28B13/00Feeding the unshaped material to moulds or apparatus for producing shaped articles; Discharging shaped articles from such moulds or apparatus
    • B28B13/02Feeding the unshaped material to moulds or apparatus for producing shaped articles
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B28WORKING CEMENT, CLAY, OR STONE
    • B28BSHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
    • B28B13/00Feeding the unshaped material to moulds or apparatus for producing shaped articles; Discharging shaped articles from such moulds or apparatus
    • B28B13/04Discharging the shaped articles
    • B28B13/06Removing the shaped articles from moulds
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B28WORKING CEMENT, CLAY, OR STONE
    • B28BSHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
    • B28B23/00Arrangements specially adapted for the production of shaped articles with elements wholly or partly embedded in the moulding material; Production of reinforced objects
    • B28B23/02Arrangements specially adapted for the production of shaped articles with elements wholly or partly embedded in the moulding material; Production of reinforced objects wherein the elements are reinforcing members
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B28WORKING CEMENT, CLAY, OR STONE
    • B28BSHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
    • B28B23/00Arrangements specially adapted for the production of shaped articles with elements wholly or partly embedded in the moulding material; Production of reinforced objects
    • B28B23/02Arrangements specially adapted for the production of shaped articles with elements wholly or partly embedded in the moulding material; Production of reinforced objects wherein the elements are reinforcing members
    • B28B23/022Means for inserting reinforcing members into the mould or for supporting them in the mould

Abstract

The invention provides a prefabricated pipe gallery mould and a construction method thereof, in order to overcome the technical problems that a common mould can only be used for casting and forming a single-section pipe gallery at one time, the mould needs to be frequently disassembled, lifted, displaced and the like in the process of casting the pipe gallery, the construction efficiency is lower, the labor cost is higher, and the construction method of matching and prefabricating by a long-line method occupies more space and is not easy to carry out oxygen increasing construction, the prefabricated pipe gallery mould comprises a bottom mould, a front end mould, a rear end mould, an outer side mould and an inner mould are arranged on the bottom mould, the front end mould and the rear end mould are respectively arranged at two ends of the outer side mould, the outer side mould comprises a first outer side mould and a second outer side mould which are oppositely arranged at intervals, the inner mould is positioned between the first outer side mould and the second outer side mould, one end of the inner mould is abutted against the front end mould, the other end of the inner mould is abutted against the rear end, the hydraulic system also comprises a hydraulic execution system and an auxiliary system.

Description

Prefabricated pipe gallery die and construction method thereof
Technical Field
The invention relates to the technical field of engineering molds, in particular to a prefabricated pipe gallery mold and a construction method thereof.
Background
Pipe gallery, i.e. the corridor of the pipeline. Many of the pipes in chemical and related plants are grouped together and arranged along the outside of the plant or building, typically in the air, supported by supports, in a manner similar to a corridor. There are also a few pipe galleries located underground. Prefabricated piping lane replaces traditional cast-in-place piping lane among the prior art is the trend of building industrialization, and prefabricated piping lane must use external mold and centre form when the preparation, forms through external mold and centre form cooperation and pours the space, later pours in pouring the space and can form the piping lane, splices each segmental piping lane after the piping lane shaping, puts into the reinforcing bar and pours the concrete back in splice department after the concatenation, accomplishes the preparation of whole piping lane.
Chinese patent with application number CN201910178076.6 discloses a prefabricated mould of piping lane can realize pouring the prefabrication of piping lane, and the problem lies in that, above-mentioned mould can only once pour shaping single-section piping lane, and the piping lane is pour the in-process and need frequently carry out the dismouting, lift by crane and operation such as aversion to the mould, and the efficiency of construction is lower and the human cost is higher.
Disclosure of Invention
The invention provides a prefabricated pipe gallery mould and a construction method thereof, aiming at overcoming the technical problems that a common mould can only be used for casting and forming a single-section pipe gallery at one time, the mould needs to be frequently disassembled, lifted and shifted in the pipe gallery casting process, the construction efficiency is low, the labor cost is high, and the construction method matched with prefabrication by a long-line method occupies a large space and is not easy to carry out oxygen increasing construction.
In order to achieve the above object, the present invention adopts the following technical solutions.
The utility model provides a prefabricated piping lane mould, including the die block, be equipped with the front end mould on the die block, the rear end mould, outer side mould and centre form, the front end mould sets up respectively in outer side mould both ends with the rear end mould, the outer side mould includes relative interval arrangement's first outer side mould and second outer side mould, the centre form is located between first outer side mould and the second outer side mould, the one end and the front end mould butt of centre form, the other end and the rear end mould butt of centre form, the front end mould, the rear end mould, the outer side mould, centre form and die block cooperation constitute the shaping space that is used for holding the steel reinforcement cage, still include hydraulic execution system and auxiliary system.
Traditional pipe gallery prefabrication often adopts the single section method to make, and the end mould of mould generally adopts machining center to process manufacturing, guarantees the matching degree. The above-mentioned matching is applicable to socket-type's piping lane, and to the piping lane of epoxy installation, when adopting the single section method to carry out the piping lane and making, though can reach higher precision to the mould, because the difference that every constructor's construction quality exists to and pour at every turn and vibrate the difference that exists, the condition that the matching degree had the problem can appear making out to individual pipe coupling. The application provides a prefabricated pipe gallery mould and construction method thereof, has designed push type base, and after a section pipe coupling pouring was accomplished and reached form removal intensity, the hydro-cylinder pushed the base, and the pipe coupling that will prefabricate the completion pushes away the length of a pipe coupling, then carries out the matching prefabrication of second festival. Specifically, a bottom die, an inner die, a front end die, a rear end die, a first outer die and a second outer die are matched to form a forming space, the forming space is utilized to prefabricate a pipe joint, after prefabrication of a pipe joint is completed and the form removal strength is reached, non-traditional form removal operation is carried out, namely, the die is separated from the pipe joint without removing the die, the prefabricated pipe joint is pushed to move by the distance of one pipe joint, a second forming space is formed between the end pipe joint and the rear end die, the die is integrated, secondary pouring operation is carried out, the end pipe joint plays the same role as the front end die, after prefabrication of the next pipe joint is completed and the form removal strength is reached, the form removal operation under the previous working condition is repeated, the end pipe joint is separated from the second pipe joint by a hydraulic execution system, the end pipe joint is lifted away to complete blanking, the operation of moving by the distance of one pipe joint in the previous working condition can be repeated, thereby leaving a forming space for the next pipe section prefabrication. According to the method, the multi-pipe joint is continuously prefabricated by using a short-line method, positions of the added bottom die sliding blocks need to be changed back and forth, other positions do not need to be moved, the construction efficiency is improved, and the labor cost is greatly reduced; in addition, compared with long-line method matched prefabrication, the construction method has the advantages that the occupied space is small, oxygen increasing construction is easy to carry out, and accordingly the construction period is shortened; and finally, the bottom die adopts a sliding block and a sliding groove to have better matching performance on the flatness and matching degree of the end surfaces of the M-shaped pipe gallery and the W-shaped pipe gallery.
Preferably, the bottom die comprises a bottom die frame, a bottom die sliding groove is formed in one side, close to the inner die, of the bottom die frame, the arrangement direction of the bottom die sliding groove is consistent with the thickness direction of the forming space, the bottom die sliding groove comprises a first bottom die sliding groove, a second bottom die sliding groove and a third bottom die sliding groove along the length direction of the bottom die frame, and a bottom die sliding block is connected in the bottom die sliding groove in a sliding mode. Because the pipe joints are prefabricated in blocks, the pipe joints are prefabricated by an M-shaped prefabricating method, only three stress positions are stressed on the bottom die, the first bottom die sliding groove, the second bottom die sliding groove, the third bottom die sliding groove and the fourth bottom die sliding groove are arranged, and in order to ensure the prefabricating precision of the whole prefabricated pipe joints, the bottom die frame is formed by welding I-shaped steel I25 and I30; the bottom die sliding groove group is formed by welding 20 steel plates, and flatness and shape tolerance are guaranteed through finish machining of a working face.
As preferred, the centre form includes interior side mould and top mould, and the figure of interior side mould is two and just follows the length direction interval arrangement of die block, and the top mould links to each other with the one end that the die block was kept away from to the inboard mould, is equipped with interior die carrier between top mould and the die block, is equipped with the guide between the side of interior die carrier and the inboard mould, is equipped with hydraulic support between the up end of interior die carrier and the top mould, the centre form is still including closing die system and bracing piece group. The inner die and the top die are matched to form a part of forming surfaces of the forming space, the inner die panel is 8mm, the inner square tube is reinforced, and the inner die frame is formed by welding the square tube.
Preferably, the inner die comprises a first inner die and a second inner die, the first inner die and the second inner die are arranged at intervals along the length direction of the bottom die, and the end face of the forming space is M-shaped.
As preferred, the outside mould includes support frame, roller train and side form board welding assembly, and the roller train can follow the length direction reciprocating sliding of die block, and the lower extreme of side form board welding assembly links to each other with the one end that the die block was kept away from to the roller train, and the support frame is located side form board welding assembly and keeps away from rear end mould one side, is triangular support frame and side form board welding assembly and links to each other.
Preferably, the support frame is arranged along the normal direction of the side template welding assembly, the support frame is positioned on one side, away from the forming space, of the side template welding assembly, and the outer side model material is made of a square pipe. In order to reduce the weight of the die, the side die section is made of square tubes, and the use amount of steel materials is minimized under the condition of meeting the rigidity and the strength.
Preferably, the rear end die comprises a body and a triangular support frame, the triangular support frame is located on one side, away from the forming space, of the body, and the triangular support frame is arranged along the normal direction of the body.
A construction method using the prefabricated pipe gallery mould comprises the following steps of:
(a) prefabricating an end pipe section: opening the rear end die and the outer side die of the prefabricated pipe gallery die, drawing in the inner die, hoisting the bound reinforcement cage into the forming space, and then finishing the placement of the embedded part;
(b) limiting a rear end die: a rear end die is closed through a rear end die hydraulic cylinder of the hydraulic execution system, and the rear end die is connected with the bottom die through a connecting rod;
(c) limiting a front end die: hanging the front end die, connecting the lower end of the end die with bolts and nuts to realize fixation, and connecting the upper end of the front end die with the upper end of the rear end die through a tie rod set;
(d) internal mold limiting: the inner mold is opened, the pull rod locking group is used for fixing the inner mold with the front end mold and the rear end mold respectively, the hydraulic support is in a pressure maintaining state, and the support rod group is in place;
(e) side die limiting: the first outer side die and the second outer side die are folded, the outer side die is respectively connected with the front end die and the rear end die through the buckle lock group, and the outer side die and the inner die are fixed at the lower ends by adopting finish rolling screw-thread steel nuts, so that the outer side die and the inner die are tightly pressed on the bottom die sliding block;
(f) pouring: confirming that the bottom die, the front end die, the rear end die, the outer side die and the inner die are all in place, and performing pouring operation after connection and fixation;
(g) removing the end pipe joint: d, removing the die according to the reverse operation of the steps a-f, wherein the specific operation is to loosen the buckle lock group and the railing group, move the outer die, loosen the connection and the fixing bolt of the front end die, draw the inner die in, move the inner die downwards, lift the front end die away, and finally move the rear end die, so that the manufacture of the end pipe section is completed;
(h) pushing pipe joints: a rear-end die hydraulic cylinder of the hydraulic execution system pushes a bottom die sliding block, an end pipe joint concrete member borne on the bottom die sliding block synchronously moves along with the bottom die sliding block, and the pushing is stopped after a preset time T;
(i) the second bottom die sliding block is in place: the rear-end die hydraulic cylinder in the step h is quickly retracted and completed within a time t, the bottom die sliding block is lifted and placed on the bottom die sliding groove, and the bottom die sliding block is pushed to slide along the bottom die sliding groove until the bottom die sliding block is tightly attached to the upper bottom die sliding block;
(j) preparing a lower pipe gallery: hoisting a reinforcement cage of a second pipe gallery, closing a rear end die, expanding a first inner die and a second inner die in place, closing an outer side die, installing a pull rod, then performing pouring operation, and performing steam oxygen protection after the concrete pouring operation is finished;
(k) demolding: after the maintenance in the step j is finished, carrying out demoulding operation on the second pipe gallery, wherein the concrete operation is to untie all the connection of bolts, lock catches and pull rods, move the outer side mould, fold the inner mould and move the rear end mould;
(l) The pipe gallery breaks away from: pulling hydraulic cylinder and the die block slider below the end pipe joint with hydraulic actuating system and being connected, hydraulic system control pulls the slow pulling die block slider of hydraulic cylinder, and the end pipe joint is thrown off with second festival piping lane, and the end pipe joint is hoisted in the driving and the unloading operation is accomplished, will pull the preparation that pneumatic cylinder and die block slider separated, can get into lower festival piping lane this moment.
The process of the pushing stub method adopted in the application is mainly characterized in step h, the pouring processing is carried out on the end pipe joints in steps a to g, the end pipe joints are demolded in step g, because the outer die and the inner die are tightly pressed on the bottom die sliding block in step e, namely the bottom die sliding block is positioned in a forming space, after the end pipe joints are poured, the end pipe joint concrete member is arranged on the bottom die sliding block, a rear end die hydraulic cylinder is used for pushing the bottom die sliding block in step h, at the moment, the end pipe joint concrete member borne on the bottom die sliding block synchronously moves along with the bottom die sliding block, after the pushing time T of the rear end die hydraulic cylinder stops, a certain space is left between the end pipe joints and the rear end die, the size of the space is consistent with the forming space, step i is executed at the moment, namely, a second bottom die sliding block is introduced and tightly attached to an upper bottom die sliding block, the second bottom die sliding block is used for bearing a lower pipe gallery (second pipe gallery), so as to drive the concrete members of the lower pipe gallery to move synchronously in the subsequent preparation process, and in the preparation process of the lower pipe gallery, the steps j to k are executed to complete the operations of pouring, maintaining and demoulding of the lower pipe gallery; and (3) because the end part of the pipe joint is provided with the shear key, when the matching joint is hoisted, a pulling action is needed, namely step l is executed, so that the end pipe joint is separated from the lower pipe gallery.
Preferably, the pushing speed of the hydraulic cylinder of the rear end die in the step h is 1mm/s, and T is 25 minutes. A telescopic position sensor is arranged in the rear-end die hydraulic cylinder, the highest precision reaches 0.01mm, and the hydraulic execution system has pressure balance control; and the precise control of the pushing distance is realized through the precise control of the pushing speed and the pushing time.
Preferably, t is ≦ 3min in step i.
In conclusion, the invention has the following beneficial effects: (1) according to the method, the continuous processing of the multi-section pipe gallery is realized through the position change of the bottom die sliding block, the operations of frequently dismounting, lifting, shifting and the like on the die are not needed, the construction efficiency is improved, and the labor cost is greatly reduced; (2) compared with the long-line method matched prefabrication, the construction method has the advantages that the occupied space is small, the oxygen increasing construction is easy to carry out, and the construction period is shortened; (3) the die block adopts slider and spout can have better matching to the pipe gallery terminal surface roughness and the matching degree of M and W type.
Drawings
Fig. 1 is a front view of the present invention.
Fig. 2 is an isometric view of the present invention.
Fig. 3 is a partial structural schematic diagram of the present invention.
Fig. 4 is a top view of fig. 3.
Fig. 5 is an isometric view of fig. 3.
FIG. 6 is a schematic view of the structure of the bottom mold of the present invention.
Fig. 7 is a schematic view of the structure of the outer mold in the present invention.
In the figure:
the die comprises a bottom die 1, a bottom die frame 101, a bottom die sliding groove 102, a bottom die sliding block 103, a rear end die 2, an outer side die 3, a supporting frame 301, a roller set 302, a side die plate welding assembly 303, a first outer side die 31, a second outer side die 32, an inner die 4, an inner side die 401, a top die 402, a first inner die 41, a second inner die 42, an inner die frame 5, a guide piece 6, a hydraulic support 7, a pair of pull rod sets 8, a buckle lock set 9 and a rear end die hydraulic cylinder 10.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.
In the description of the present invention, it is to be understood that the terms "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, are not to be construed as limiting the present invention.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Example (b):
as shown in fig. 1 to 7, a prefabricated pipe gallery die comprises a bottom die 1, a front end die, a rear end die 2, an outer side die 3 and an inner die 4 are arranged on the bottom die, the front end die and the rear end die are respectively arranged at two ends of the outer side die, the outer side die comprises a first outer side die 31 and a second outer side die 32 which are arranged at intervals, the inner die is located between the first outer side die and the second outer side die, one end of the inner die is abutted against the front end die, the other end of the inner die is abutted against the rear end die, the front end die, the rear end die, the outer side die, the inner die and the bottom die are matched to form a forming space for accommodating a reinforcement cage, and the prefabricated pipe gallery die further comprises a hydraulic execution system; the bottom die comprises a bottom die frame 101, a bottom die sliding groove 102 is formed in one side, close to the inner die, of the bottom die frame, the arrangement direction of the bottom die sliding groove is consistent with the thickness direction of the forming space, the bottom die sliding groove comprises a first bottom die sliding groove, a second bottom die sliding groove and a third bottom die sliding groove along the length direction of the bottom die frame, and a bottom die sliding block 103 is connected in the bottom die sliding groove in a sliding mode; the inner die comprises an inner die 401 and a top die 402, the number of the inner dies is two, the inner dies are arranged at intervals along the length direction of the bottom die, the top die is connected with one end, far away from the bottom die, of the inner die, an inner die frame 5 is arranged between the top die and the bottom die, a guide piece 6 is arranged between the side face of the inner die frame and the inner die, a hydraulic support 7 is arranged between the upper end face of the inner die frame and the top die, and the inner die further comprises a die combination system and a support rod group; the inner die comprises a first inner die 41 and a second inner die 42, the first inner die and the second inner die are arranged at intervals along the length direction of the bottom die, and the end surface of the forming space is M-shaped; the outer side die comprises a support frame 301, a roller group 302 and a side die plate welding assembly 303, the roller group can slide in a reciprocating mode along the length direction of the bottom die, the lower end of the side die plate welding assembly is connected with one end, far away from the bottom die, of the roller group, the support frame is located on one side, far away from the rear end die, of the side die plate welding assembly, and the triangular support frame is connected with the side die plate welding assembly; the support frame is arranged along the normal direction of the side template welding assembly, the support frame is positioned on one side of the side template welding assembly, which is far away from the molding space, and the outer side model material is made of a square pipe; the rear end die comprises a body and a triangular support frame, the triangular support frame is located on one side of the body and is far away from the forming space, and the triangular support frame is arranged along the normal direction of the body.
The construction method is a matched prefabrication method, also can be called a pushing stub method, and comprises the following specific operation process.
A construction method using the prefabricated pipe gallery mould comprises the following steps of:
(a) prefabricating an end pipe section: opening the rear end die and the outer side die of the prefabricated pipe gallery die, drawing in the inner die, hoisting the bound reinforcement cage into the forming space, and then finishing the placement of the embedded part;
(b) limiting a rear end die: a rear end die is closed through a rear end die hydraulic cylinder of the hydraulic execution system, and the rear end die is connected with the bottom die through a connecting rod;
(c) limiting a front end die: hanging the front end die, connecting the lower end of the end die with bolts and nuts to realize fixation, and connecting the upper end of the front end die with the upper end of the rear end die through a pair of pull rod groups 8; because the process is only an end pipe joint, the front-end die does not adopt a roller train sliding mode to carry out die assembly, and only adopts a direct hoisting method to carry out operation;
(d) internal mold limiting: the inner mold is opened, the pull rod locking group is used for fixing the inner mold with the front end mold and the rear end mold respectively, the hydraulic support is in a pressure maintaining state, and the support rod group is in place; in the step, the hydraulic support is in a pressure maintaining state, and partial fastening effect is achieved;
(e) side die limiting: the first outer side die and the second outer side die are folded, the outer side die is respectively connected with the front end die and the rear end die through a buckle lock group 9, and the outer side die and the inner die are fixed at the lower ends by adopting finish-rolled screw-thread steel nuts, so that the outer side die and the inner die are tightly pressed on the bottom die sliding block;
(f) pouring: confirming that the bottom die, the front end die, the rear end die, the outer side die and the inner die are all in place, and performing pouring operation after connection and fixation;
(g) removing the end pipe joint: d, removing the die according to the reverse operation of the steps a-f, wherein the specific operation is to loosen the buckle lock group and the railing group, move the outer die, loosen the connection and the fixing bolt of the front end die, draw the inner die in, move the inner die downwards, lift the front end die away, and finally move the rear end die, so that the manufacture of the end pipe section is completed;
(h) pushing pipe joints: a rear end die hydraulic cylinder 10 of the hydraulic execution system synchronously pushes a rear end die, and the pushing is stopped after a preset time T;
(i) the second bottom die sliding block is in place: the rear-end die hydraulic cylinder in the step h is quickly retracted and completed within a time t, the bottom die sliding block is lifted and placed on the bottom die sliding groove, and the bottom die sliding block is pushed to slide along the bottom die sliding groove until the bottom die sliding block is tightly attached to the upper bottom die sliding block; in the step, the in-place action of the second bottom die sliding block can be manually operated, or a pushing hydraulic cylinder can be adopted for pushing in place;
(j) preparing a lower pipe gallery: hoisting a reinforcement cage of a second pipe gallery, closing a rear end die, stretching a first inner die and a second inner die in place (adhering rubber sealing strips with the width of 60mm and the thickness of 6mm to the contact part of the inner die and concrete), closing an outer side die, installing a pull rod, then performing pouring operation, and performing steam oxygen protection after the concrete pouring operation is finished; the lateral mould grout stopping is attached to a support frame on the outer lateral mould, the end part of the outer lateral mould is adhered with a 60 multiplied by 6 rubber sealing strip, the inner grout stopping is supported by a screw rod and hydraulic pressure on the inner mould frame, and the end part of the inner mould is adhered with a 60 multiplied by 6 rubber sealing strip;
(k) demolding: after the maintenance in the step j is finished, carrying out demoulding operation on the second pipe gallery, wherein the concrete operation is to untie all the connection of bolts, lock catches and pull rods, move the outer side mould, fold the inner mould and move the rear end mould;
(l) The pipe gallery breaks away from: pulling hydraulic cylinder and the die block slider below the end pipe joint with hydraulic actuating system and being connected, hydraulic system control pulls the slow pulling die block slider of hydraulic cylinder, and the end pipe joint is thrown off with second festival piping lane, and the end pipe joint is hoisted in the driving and the unloading operation is accomplished, will pull the preparation that pneumatic cylinder and die block slider separated, can get into lower festival piping lane this moment. Because the end part of the pipe joint is provided with the shear key, when the matching joint is hoisted, a pulling action is needed to be carried out, so that the first joint and the second joint pipe gallery are separated, and the method comprises the following steps: the pulling hydraulic cylinder, the pin shaft (movable pin shaft) on the pin and the bottom die sliding block at three positions all need to perform pin shaft movement for installing the pulling hydraulic cylinder. The three hydraulic cylinders are also operated synchronously. Then through hydraulic system control, pull die block slider slowly, 1 millimeter per second, only need pull 80 millimeters, for the safety purpose this moment, big driving needs to carry out a safeguard measure to pulling the tube coupling and passing through tube coupling hoisting point. After the crane is pulled in place, the crane can directly lift the first pipe joint. And then the pulling hydraulic cylinder is stretched, the pin shaft is taken out, and at the moment, the bottom die slide block can enter the next cycle for use. The above method is repeated, so that the manufacturing, the third section and the fourth section of the pipe gallery can be matched.
In the step h, the pushing speed of the rear end die hydraulic cylinder is 1mm/s, and T is 25 minutes; t is less than or equal to 3min in the step i.
As shown in fig. 1, the bottom die comprises a lower end, a first outer die and a second outer die are arranged on the bottom die at intervals from left to right, a first inner die and a second inner die are arranged between the first outer die and the second outer die, and the width of the first inner die is smaller than that of the second inner die. As can be seen from fig. 2, the end pipe joint is prefabricated and pushed to displace, and is in a pouring state of the second pipe joint or an unmoulded state of the second pipe joint, and a distance between one end of the end pipe joint close to the rear end die and the rear end die is equal to a width of the molding space. FIGS. 3 to 5 are schematic partial structural views of the present application, in which a front end mold is not shown, a counter-pull rod set is provided at the upper end of a rear end mold, the other end of the counter-pull rod set extending therefrom is the position of the front end mold, the front end mold and the rear end mold are connected by the counter-pull rod set, a rear end mold hydraulic cylinder is provided at the rear side of the rear end mold, i.e., the side away from the front end mold, the rear end mold is M-shaped in this embodiment, so that the number of the rear end mold hydraulic cylinders is three and corresponds to the vertical section position of the rear end mold, an outer side mold is provided between the front end mold and the rear end mold, the outer side mold is connected to the front end mold and the rear end mold respectively by a snap lock set, a part of the snap lock set is shown at the right side in FIG. 5, the inner mold is fixed to the front end mold and the rear end mold respectively by the pull rod snap lock set, a guide is provided between the side surface of the inner mold, the first guide rod, the guide sleeve and the second guide rod are horizontally arranged, one end of the first guide rod is connected with the inner side die, the other end of the first guide rod is sleeved in the guide sleeve, one end, close to the first guide rod, of the second guide rod is sleeved in the guide sleeve, the other end of the second guide rod is connected with the inner die frame, the guide sleeve achieves the coaxiality keeping of the first guide rod and the second guide rod, meanwhile, the moving allowance is reserved for the displacement of the inner die, and therefore a good guide function is achieved. As shown in fig. 6, the end surface of the bottom die slide block is in an inverted triangle shape, the length of the bottom die slide block is smaller than that of the bottom die slide groove, the bottom die slide block is used for bearing pipe joints, after prefabrication and demolding of the pipe joints are completed, the pipe joints can be conveniently displaced by pushing the bottom die slide block to move along the bottom die slide groove, and at the moment, the second bottom die slide block is placed on the bottom die slide groove to prepare the next pipe joint.

Claims (10)

1. The utility model provides a prefabricated piping lane mould, a serial communication port, including the die block, be equipped with the front end mould on the die block, the rear end mould, outside mould and centre form, the front end mould sets up respectively in outside mould both ends with the rear end mould, the outside mould includes relative interval arrangement's first outside mould and second outside mould, the centre form is located between first outside mould and the second outside mould, the one end and the front end mould butt of centre form, the other end and the rear end mould butt of centre form, the front end mould, the rear end mould, the outside mould, centre form and die block cooperation constitute the shaping space that is used for holding the steel reinforcement cage, still include hydraulic execution system and auxiliary system.
2. The prefabricated pipe gallery mould of claim 1, wherein the bottom mould comprises a bottom mould frame, a bottom mould sliding groove is formed in one side, close to the inner mould, of the bottom mould frame, the arrangement direction of the bottom mould sliding groove is consistent with the thickness direction of the forming space, the length direction of the bottom mould sliding groove along the bottom mould frame comprises a first bottom mould sliding groove, a second bottom mould sliding groove and a third bottom mould sliding groove, and a bottom mould sliding block is connected in the bottom mould sliding groove in a sliding mode.
3. The prefabricated pipe gallery die of claim 1, wherein the inner die comprises two inner dies and a top die, the number of the inner dies is two, the inner dies are arranged at intervals along the length direction of the bottom die, the top die is connected with one end, far away from the bottom die, of the inner die, an inner die frame is arranged between the top die and the bottom die, a guide piece is arranged between the side face of the inner die frame and the inner die, a hydraulic support is arranged between the upper end face of the inner die frame and the top die, and the inner die further comprises a die assembling system and a support rod group.
4. The prefabricated pipe gallery mould of claim 3, wherein the inner mould comprises a first inner mould and a second inner mould, the first inner mould and the second inner mould are arranged at intervals along the length direction of the bottom mould, and the end face of the forming space is M-shaped.
5. The prefabricated pipe gallery mould of claim 1, characterized in that, the outside mould includes support frame, roller train and side form welding assembly, and the roller train can follow the length direction reciprocating sliding of die block, and the lower extreme of side form welding assembly links to each other with the one end that the die block was kept away from to the roller train, and the support frame is located side form welding assembly and keeps away from rear end mould one side, the support frame that is triangle-shaped links to each other with side form welding assembly.
6. A prefabricated pipe gallery mould according to claim 5, wherein the support frame is arranged in a direction normal to the side formwork welding assembly, the support frame is located on a side of the side formwork welding assembly away from the forming space, and the outer formwork is made of square pipes.
7. The prefabricated pipe gallery mould of claim 1, wherein the rear end mould includes a body and a triangular support frame, the triangular support frame is located on one side of the body away from the forming space, and the triangular support frame is arranged along a normal direction of the body.
8. A construction method using the prefabricated pipe gallery mold of any one of claims 1 to 7, characterized by comprising the following steps performed in this order:
(a) prefabricating an end pipe section: opening the rear end die and the outer side die of the prefabricated pipe gallery die, drawing in the inner die, hoisting the bound reinforcement cage into the forming space, and then finishing the placement of the embedded part;
(b) limiting a rear end die: a rear end die is closed through a rear end die hydraulic cylinder of the hydraulic execution system, and the rear end die is connected with the bottom die through a connecting rod;
(c) limiting a front end die: hanging the front end die, connecting the lower end of the end die with bolts and nuts to realize fixation, and connecting the upper end of the front end die with the upper end of the rear end die through a tie rod set;
(d) internal mold limiting: the inner mold is opened, the pull rod locking group is used for fixing the inner mold with the front end mold and the rear end mold respectively, the hydraulic support is in a pressure maintaining state, and the support rod group is in place;
(e) side die limiting: the first outer side die and the second outer side die are folded, the outer side die is respectively connected with the front end die and the rear end die through the buckle lock group, and the outer side die and the inner die are fixed at the lower ends by adopting finish rolling screw-thread steel nuts, so that the outer side die and the inner die are tightly pressed on the bottom die sliding block;
(f) pouring: confirming that the bottom die, the front end die, the rear end die, the outer side die and the inner die are all in place, and performing pouring operation after connection and fixation;
(g) removing the end pipe joint: d, removing the die according to the reverse operation of the steps a-f, wherein the specific operation is to loosen the buckle lock group and the railing group, move the outer die, loosen the connection and the fixing bolt of the front end die, draw the inner die in, move the inner die downwards, lift the front end die away, and finally move the rear end die, so that the manufacture of the end pipe section is completed;
(h) pushing pipe joints: a rear-end die hydraulic cylinder of the hydraulic execution system pushes a bottom die sliding block, an end pipe joint concrete member borne on the bottom die sliding block synchronously moves along with the bottom die sliding block, and the pushing is stopped after a preset time T;
(i) the second bottom die sliding block is in place: the rear-end die hydraulic cylinder in the step h is quickly retracted and completed within a time t, the bottom die sliding block is lifted and placed on the bottom die sliding groove, and the bottom die sliding block is pushed to slide along the bottom die sliding groove until the bottom die sliding block is tightly attached to the upper bottom die sliding block;
(j) preparing a lower pipe gallery: hoisting a reinforcement cage of a second pipe gallery, closing a rear end die, expanding a first inner die and a second inner die in place, closing an outer side die, installing a pull rod, then performing pouring operation, and performing steam oxygen protection after the concrete pouring operation is finished;
(k) demolding: after the maintenance in the step j is finished, carrying out demoulding operation on the second pipe gallery, wherein the concrete operation is to untie all the connection of bolts, lock catches and pull rods, move the outer side mould, fold the inner mould and move the rear end mould;
(l) The pipe gallery breaks away from: pulling hydraulic cylinder and the die block slider below the end pipe joint with hydraulic actuating system and being connected, hydraulic system control pulls the slow pulling die block slider of hydraulic cylinder, and the end pipe joint is thrown off with second festival piping lane, and the end pipe joint is hoisted in the driving and the unloading operation is accomplished, will pull the preparation that pneumatic cylinder and die block slider separated, can get into lower festival piping lane this moment.
9. The construction method according to claim 8, wherein the pushing speed of the hydraulic cylinder of the rear end die in the step h is 1mm/s, and T is 25 minutes.
10. The construction method according to claim 8, wherein t is less than or equal to 3min in step i.
CN202011343151.9A 2020-11-25 2020-11-25 Prefabricated pipe gallery die and construction method thereof Pending CN112589972A (en)

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Application Number Priority Date Filing Date Title
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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108678010A (en) * 2018-08-15 2018-10-19 屠娟 Prefabricated pipe gallery construction method
CN109203221A (en) * 2018-09-14 2019-01-15 中铁四局集团第四工程有限公司 A kind of piping lane tube coupling method for prefabricating
CN109958143A (en) * 2019-03-08 2019-07-02 厦门三航混凝土有限公司 A kind of piping lane prefabricated mould and piping lane construction method
CN209868938U (en) * 2019-04-12 2019-12-31 陕西建工新型建材有限公司 Prefabricated piping lane forming die
CN111098396A (en) * 2020-01-15 2020-05-05 广州市市政工程机械施工有限公司 Hydraulic adjustable multi-cabin prefabricated pipe gallery die and manufacturing method of multi-cabin prefabricated pipe gallery

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108678010A (en) * 2018-08-15 2018-10-19 屠娟 Prefabricated pipe gallery construction method
CN109203221A (en) * 2018-09-14 2019-01-15 中铁四局集团第四工程有限公司 A kind of piping lane tube coupling method for prefabricating
CN109958143A (en) * 2019-03-08 2019-07-02 厦门三航混凝土有限公司 A kind of piping lane prefabricated mould and piping lane construction method
CN209868938U (en) * 2019-04-12 2019-12-31 陕西建工新型建材有限公司 Prefabricated piping lane forming die
CN111098396A (en) * 2020-01-15 2020-05-05 广州市市政工程机械施工有限公司 Hydraulic adjustable multi-cabin prefabricated pipe gallery die and manufacturing method of multi-cabin prefabricated pipe gallery

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