A through-type concrete drain pipe manufacturing system and a drain pipe manufacturing method

Abstract

A straight-through type concrete drain pipe manufacturing system and a drain pipe manufacturing method, the manufacturing system comprising a formwork supporting device and a base support, and the formwork supporting device can complete the assembly work of a mold on the base support, the mold comprising an outer mold assembly capable of surrounding a cylindrical shape matched with the outer circle of the drain pipe, and an inner mold assembly composed of a plurality of clutching mold plates and capable of surrounding a cylindrical shape matched with the inner circle of the drain pipe, and the two ends of the inner and outer mold assemblies are sealingly connected with end plates, the formwork supporting device comprising a connecting beam and a plurality of hydraulic cylinders arranged on the connecting beam, the plurality of hydraulic cylinders can be matched with the plurality of clutching mold plates respectively and drive the plurality of clutching mold plates to move away from / towards the connecting beam, the middle part of at least one end plate is provided with an opening, and the opening can allow the hydraulic cylinder to pass through in the retracted state, when the mold is removed after the solidification of the drain pipe, the plurality of clutching mold plates can be separated from the drain pipe more easily, and thus the demolding work of the inner mold assembly can be more smoothly carried out.

Description

Technical Field

[0001] This invention relates to the field of pipeline system technology, specifically to a straight-through concrete drainage pipe manufacturing system and a drainage pipe manufacturing method. Background Technology

[0002] Concrete drainage pipes are an important component of urban and rural drainage systems. To facilitate construction, most existing concrete drainage pipes are directly processed and formed in factories and then transported to construction sites for laying. In terms of production methods, they are generally formed by casting concrete in molds and curing.

[0003] The existing concrete drainage pipe production method generally includes a base plate with a cylindrical inner mold vertically fixed on it. During concrete pouring, a cylindrical outer mold is first assembled around the inner mold on the base plate, creating a pouring gap between the inner and outer molds. Concrete is then poured, and after pouring, the concrete is allowed to set before demolding. However, this method has certain drawbacks. On the one hand, while the outer mold can be easily peeled off from the outer ring of the drainage pipe during demolding, due to… The inner mold is a complete cylindrical shape. During demolding, the entire inner mold needs to be pulled out of the drain pipe. Even with a release agent applied to the inner mold, demolding is still difficult, especially when the drain pipe is long. Sometimes, it is necessary to remove the outer mold, lift the inner mold, base plate, and drain pipe together, and then use a hammer to strike the base plate to successfully remove the inner mold. This demolding method is also dangerous. If the inner mold or the lifting equipment falls off during the hammering, it may cause a production accident or damage the structure of the drain pipe.

[0004] On the other hand, this vertical casting method is more difficult to carry out because the upper casting position is a ring-shaped gap. Furthermore, since the drain pipe is generally set horizontally during transportation or storage, this vertical casting method usually demolds at the middle of both sides (rather than at both ends) of the drain pipe. After the inner mold is demolded, the drain pipe may even flip over due to the weight difference at both ends, which poses a certain safety hazard. Summary of the Invention

[0005] To address the technical problems existing in the background art, the present invention provides a straight-through concrete drainage pipe manufacturing system and a drainage pipe manufacturing method.

[0006] The technical solution of this invention is as follows:

[0007] The present invention first provides a straight-through concrete drainage pipe manufacturing system, including a formwork support device and a base support. The formwork support device enables the assembly of the mold on the base support, thereby enabling the concrete pouring and forming of the drainage pipe through the mold.

[0008] As the core technical concept of this invention, the mold includes an outer mold assembly, which includes a lower template that can be placed horizontally on a base, and an upper template detachably connected to the upper side of the lower template. The upper and lower templates can form a cylindrical shape that is open at both ends and fits with the outer ring of a drainage pipe. The upper template is also provided with a grouting port, and a plug is connected through the grouting port. The formwork support device includes a moving vehicle and a connecting beam connected to it at one end and arranged horizontally. Several hydraulic cylinders are arranged in a circular array around the axis of the connecting beam. The mold also includes an inner mold assembly, which includes several clutch templates. The inner side of the clutch template is provided with a snap-fit ​​seat, and the snap-fit ​​seats on the inner side of the clutch templates can be separated. The mold is detachably connected to several hydraulic cylinders. The movement of the mobile vehicle allows several clutch templates to extend from one end of the upper template into the space between the upper and lower templates via a connecting beam. The hydraulic cylinders are configured to move several clutch templates away from the connecting beam to form a cylindrical shape that is open at both ends and mates with the inner ring of the drain pipe, or to move several clutch templates toward the connecting beam to separate from the inner wall of the drain pipe. The mold also includes a stop assembly, which includes two end plates. The two end plates are detachably and sealingly connected to both ends of the outer mold assembly and both ends of the inner mold assembly, respectively. At least one end plate has an opening in the middle, and the size of the opening is configured to allow the hydraulic cylinder to pass through in the retracted state.

[0009] Based on the above structure, the horizontal outer mold assembly can be completed by using a base support and hoisting machinery. The inner mold assembly can be completed by the cooperation of hydraulic cylinders and clutch templates. With the connection of the stop assembly, the outer mold assembly, inner mold assembly, and stop assembly can form the perimeter of the drainage pipe, and concrete can be poured through the grouting port. After the mold assembly is complete, the mobile vehicle can be withdrawn from the open end plate to assemble the next set of modules without affecting the use of the formwork support device. The mold is horizontally arranged, allowing the drainage pipe to be removed horizontally after it has completely solidified, without tipping over during hoisting, thus avoiding safety hazards. When dismantling the mold after the drainage pipe has completely solidified, the upper mold and stop assembly can be easily removed. Simultaneously, the hydraulic cylinder of the formwork support device and the clutch template can easily separate the clutch template from the drainage pipe, thereby completing the removal of the inner mold assembly. This makes the demolding process after the drainage pipe has solidified smoother.

[0010] As described above, in the straight-through concrete drainage pipe manufacturing system, specifically regarding the structure of the clutch template, the clutch template includes two arc-shaped first clutch templates and two arc-shaped second clutch templates; the hydraulic cylinder includes at least two first hydraulic cylinders and two second hydraulic cylinders, with the axes of the first and second hydraulic cylinders respectively arranged vertically and horizontally; the first and second hydraulic cylinders can respectively engage with the locking seats on the inner sides of the first and second clutch templates, and can drive the two first and two second clutch templates to move closer to / away from the connecting beam. When dismantling the inner mold assembly, the second hydraulic cylinder can first drive the second clutch template to move closer to the connecting beam and thus detach from the drainage pipe, and then the first hydraulic cylinder can drive the first clutch template to move closer to the connecting beam and thus detach from the drainage pipe, ensuring that the detachment of the inner mold assembly from the inner ring of the drainage pipe can be successfully completed.

[0011] To ensure the stability of the engagement between the first clutch template and the second clutch template, and to prevent the concrete pouring from affecting the engagement between the first clutch template and the second clutch template, or causing material leakage at the engagement position, the second clutch template is provided with arc-shaped wing plates on both sides. The first hydraulic cylinder is configured to move the first clutch template so that the inner ring on both sides fits against the wing plates, and the outer ring is flush with the outer ring of the second clutch template.

[0012] To ensure that the grouting process can be carried out more fully, the upper end of the grouting port is at least 15cm above the upper template, so that the drainage pipe is relatively intact after solidification.

[0013] To ensure that the movement of the hydraulic cylinder can smoothly drive the clutch template, and to make the cooperation between the hydraulic cylinder and the clutch template more stable and secure, each clutch template is connected to at least two hydraulic cylinders.

[0014] To facilitate the fitting of the manufactured drain pipe, an annular first boss is provided on the inner ring of one end of the outer mold assembly, and an annular second boss is provided on the inner side of the end plate of the outer mold assembly away from the first boss. The inner diameter of the second boss matches the inner diameter of the drain pipe, and the outer diameter matches the inner diameter of the first boss, so that the drain pipe can form a plug and a connector at both ends, which facilitates the fitting and placement of the drain pipes later.

[0015] As described above, in a straight-through concrete drainage pipe manufacturing system, the connecting beam is detachably equipped with a vibration unit that can contact the separation template. The vibration unit can cause the separation template to generate high-frequency, low-amplitude vibration, thereby enabling the concrete to fill more fully.

[0016] To further ensure sufficient concrete filling, the vibration unit can come into contact with the first clutch template below the connecting beam.

[0017] To ensure that the casting and molding of the drainage pipe can be fully carried out in the axial direction, the vibration unit can slide along the length of the connecting beam.

[0018] The present invention also provides a method for manufacturing a drainage pipe, which is based on the above-mentioned straight-through concrete drainage pipe manufacturing system and includes the following steps:

[0019] S1, Mold Assembly

[0020] S1.1 Lay the base flat and hoist the lower template onto the base;

[0021] S1.2 Hoist the upper formwork to the upper side of the lower formwork and fix the upper formwork and the lower formwork together to form a horizontal cylindrical shape that is open at both ends and fits with the outer ring of the drainage pipe.

[0022] S1.3. Lift the end plate with the opening to a vertical position, and then drive the moving vehicle to move the connecting beam and hydraulic cylinder through the opening of the lifted end plate;

[0023] S1.4. Connect several clutch templates to several hydraulic cylinders respectively, and drive the hydraulic cylinders to move the clutch templates away from / close to the connecting beam to form a transverse cylindrical shape that is open at both ends and matches the inner ring of the drain pipe.

[0024] S1.5 Drive the moving vehicle to move, causing the cylindrical clutch template to extend from one end of the lower template and the upper template into the space between the upper template and the lower template. At the same time, drive the hoisted end plate to move synchronously to one end of the upper template and the lower template. At this time, the cylindrical structure formed by the upper template and the lower template is coaxial with the cylindrical structure formed by several clutch templates, and there is a gap between them.

[0025] S1.6 Connect the hoisted end plate and the other end plate to the upper template, lower template and clutch template in sequence;

[0026] S1.7, Drive the moving vehicle to disengage the hydraulic cylinder from the clamping seat;

[0027] S1.8 Drive the hydraulic cylinder to retract, and withdraw the connecting beam and hydraulic cylinder from the opening in the end plate;

[0028] S2, Grouting

[0029] Concrete is poured into the space between the outer and inner mold components through the grouting port and then cured to shape.

[0030] S3, Demolding

[0031] S3.1 Remove both end plates;

[0032] S3.2 Drive the moving vehicle to move, causing the connecting beam and hydraulic cylinder to extend between several clutch templates, and make the hydraulic cylinder engage with the clutch template's locking seat;

[0033] S3.3, Drive the hydraulic cylinder to move the clutch template toward the connecting beam until it separates from the inner wall of the drain pipe;

[0034] S3.4 Drive the moving vehicle to move, causing the clutch template to retract from inside the drain pipe;

[0035] S3.5 Remove the upper formwork;

[0036] S3.6. Lift the drain pipe away from the lower formwork.

[0037] The beneficial effects of this invention are as follows: This invention is a straight-through concrete drainage pipe manufacturing system and method. The system utilizes a base support and hoisting machinery to assemble the outer mold components laterally. The inner mold components are assembled using a hydraulic cylinder and a clutch template. With the connection of the stop components, the outer mold components, inner mold components, and stop components form the perimeter of the drainage pipe, and concrete is poured through the grouting port. After mold assembly, the moving vehicle can withdraw from the open end plate to assemble the next set of modules without affecting the use of the formwork support device. The mold is horizontally positioned, allowing for horizontal removal of the drainage pipe after it has completely solidified, preventing overturning during hoisting and avoiding safety hazards. When dismantling the mold after the drainage pipe has completely solidified, the upper mold and stop components can be easily removed. Simultaneously, the hydraulic cylinder of the formwork support device and the clutch template facilitate easy separation of the clutch template from the drainage pipe, thus completing the removal of the inner mold components. This makes the demolding process after the drainage pipe has solidified smoother. Attached Figure Description

[0038] The solutions and advantages of this application will become clear to those skilled in the art upon reading the following detailed description of preferred embodiments. The accompanying drawings are for illustrative purposes only and are not intended to limit the scope of the invention.

[0039] In the attached diagram:

[0040] Figure 1 This is a schematic diagram of the manufacturing system in the embodiment;

[0041] Figure 2 for Figure 1 The main view;

[0042] Figure 3 for Figure 1 Top view;

[0043] Figure 4This is a schematic diagram of the cooperation structure between the inner mold assembly and the hydraulic cylinder in the embodiment;

[0044] Figure 5 This is a cross-sectional view of the mold in the embodiment (connected to the hydraulic cylinder).

[0045] Figure 6 This is a schematic diagram of the structure of the second end plate in the embodiment;

[0046] Figure 7 This is a schematic diagram of the formwork support device in the embodiment (with the hydraulic cylinder hidden).

[0047] The components represented by the various reference numerals in the diagram are:

[0048] 1. Base support; 2. Mold; 21. Outer mold assembly; 211. Upper template; 2111. Semi-convex ring; 212. Lower template; 213. Grouting port; 22. Inner mold assembly; 221. First clutch template; 2211. First connecting seat; 222. Second clutch template; 2221. Second connecting seat; 223. Wing plate; 23. Stop assembly; 231. First end plate; 2311. Ring plate; 2312. Connecting platform; 2313. Second boss; 232. Second end plate; 24. Plug; 3. Formwork support device; 31. Moving vehicle; 32. Connecting beam; 33. First hydraulic cylinder; 34. Second hydraulic cylinder. Detailed Implementation

[0049] Exemplary embodiments of this disclosure will now be described in more detail with reference to the accompanying drawings. Example

[0050] This embodiment first provides a straight-through concrete drainage pipe manufacturing system, see [link to documentation]. Figures 1-3 The system includes a formwork support device 3 and a base support 1. The formwork support device 3 enables the assembly of the mold 2 on the base support 1, and the mold 2 enables the concrete pouring and forming of the drainage pipe. The structure of the manufacturing system (the above-mentioned straight-through concrete drainage pipe manufacturing system) will be described in detail below.

[0051] In this embodiment, the base 1 includes two support blocks that are opposite to each other and spaced apart, and a connecting rod is connected between the two support blocks. The mold 2 can be assembled on the two support blocks by means of the mold support device 3.

[0052] In this embodiment, combined with Figure 4 and Figure 5 The mold 2 includes an outer mold assembly 21, an inner mold assembly 22, and a stop assembly 23. The outer mold assembly 21, the inner mold assembly 22, and the stop assembly 23 can form the shape of the drainage pipe, and the drainage pipe is formed by pouring concrete.

[0053] The outer mold assembly 21 comprises a lower mold plate 212 and an upper mold plate 211. The lower mold plate 212 is an arc-shaped plate with a semi-circular cross-section. Its inner ring is smooth, and its outer ring is reinforced with ribs to ensure structural stability. The support block of the base support 1 has an arc-shaped notch on its upper side. The lower mold plate 212 can be placed horizontally with its opening facing upward under the action of hoisting machinery. The upper mold plate 211 is also an arc-shaped plate with a semi-circular cross-section. Its inner ring is smooth, and its outer ring is reinforced with ribs to ensure structural stability. The upper mold plate 211 can be placed horizontally with its opening facing downward on the upper side of the lower mold plate 212 under the action of hoisting machinery. It can be detachably connected to the lower mold plate 212 by bolts, so that the upper mold plate 211 and the lower mold plate 212 can form a transverse cylindrical shape with both ends open and the inner ring matching the shape of the outer ring of the drain pipe.

[0054] Regarding the structure of the inner mold assembly 22, it includes several clutch templates. These clutch templates can be formed into a transverse cylindrical shape with an outer ring that matches the shape of the inner ring of the drain pipe under the action of the mold support device 3. They can also be transported by the mold support device 3 to the outer mold assembly 21, so that the inner mold assembly 22 and the outer mold assembly 21 are coaxially arranged in a cylindrical shape.

[0055] The stop assembly 23 includes two end plates, which are detachably and sealingly connected to both ends of the outer mold assembly 21 and the inner mold assembly 22, respectively. Thus, the outer mold assembly 21, the inner mold assembly 22 and the stop assembly 23 can form an outer shape that matches the outer shape of the drain pipe.

[0056] Based on the above structure, the outer mold assembly 21 also includes a grouting port 213 located on the upper side of the upper mold 211. The grouting port 213 is connected to the inner side of the upper mold 211. Concrete can be poured into the interior of the outer mold assembly 21 through the grouting port 213. Together with the outer mold assembly 21, the inner mold assembly 22 and the stop assembly 23, the drainage pipe is cast and formed. In order to make the casting work more complete, the horizontal plane of the upper end of the grouting port 213 extends at least 15cm above the upper side of the upper mold 211, so that the drainage pipe is relatively intact after solidification.

[0057] Furthermore, the mold 2 also includes a plug 24, which can be fixedly connected inside the grouting port 213, and its inner end is an arc shape that matches the inner ring of the upper mold 2.

[0058] In this embodiment, combined with Figure 7The formwork support device 3 includes a moving vehicle 31 and a connecting beam 32 connected to it at one end and arranged laterally. Several hydraulic cylinders are arranged in a circular array around the axis of the connecting beam 32. The inner side of the clutch template is provided with a snap-fit ​​seat. The snap-fit ​​seats on the inner side of the clutch template can be detachably snap-fitted to the several hydraulic cylinders. The movement of the moving vehicle 31 can extend several clutch templates from one end of the upper template 211 into the space between the upper template 211 and the lower template 212 through the connecting beam 32. The hydraulic cylinder is configured to drive several clutch templates away from the connecting beam 32 to form a cylindrical shape that is open at both ends and cooperates with the inner ring of the drain pipe, or to drive several clutch templates toward the connecting beam 32 to separate from the inner wall of the drain pipe. At least one end plate has an opening in the middle, and the size of the opening is set to allow the hydraulic cylinder to pass through in the retracted state.

[0059] Based on the above structure, the outer mold assembly 21 can be assembled laterally using the base support 1 and hoisting machinery. The inner mold assembly 22 can be assembled using the hydraulic cylinder and clutch template. With the connection of the stop assembly 23, the outer mold assembly 21, inner mold assembly 22, and stop assembly 23 form the perimeter of the drainage pipe, and concrete is poured through the grouting port 213. Simultaneously, after the mold 2 is assembled, the moving vehicle 31 can be withdrawn from the end plate with the opening to assemble the next set of modules without affecting the formwork support. The use of mold 2: The mold 2 is set horizontally. After the drain pipe has completely solidified, it can be removed horizontally without overturning during the lifting process, thus avoiding safety hazards. When removing mold 2 after the drain pipe has completely solidified, the upper mold 2 and the stop assembly 23 can be removed easily. At the same time, through the cooperation of the hydraulic cylinder of the mold support device 3 and the clutch template, the clutch template can be easily separated from the drain pipe, thereby completing the removal of the inner mold assembly 22. This makes the demolding work after the drain pipe has solidified smoother.

[0060] Specifically, the clutch template in this embodiment includes two arc-shaped first clutch templates 221 and two arc-shaped second clutch templates 222. The hydraulic cylinder includes at least two first hydraulic cylinders 33 and two second hydraulic cylinders 34. The axes of the first hydraulic cylinders 33 and the second hydraulic cylinders 34 are respectively vertical and horizontal. That is, the cylinder body of the first hydraulic cylinder 33 is connected to the connecting beam 32, and the telescopic end points above or below the connecting beam 32. The cylinder body of the second hydraulic cylinder 34 is connected to the connecting beam 32, and the telescopic end points to the left or right side of the connecting beam 32. The telescopic axes of the hydraulic cylinders are perpendicular to the connecting beam 32. The pressure cylinder 33 and the second hydraulic cylinder 34 can respectively engage with the snap-fit ​​seats on the inner side of the first clutch template 221 and the second clutch template 222, and can drive the two first clutch templates 221 and the two second clutch templates 222 to move closer to / away from the connecting beam 32. When the inner mold assembly 22 is dismantled, the second hydraulic cylinder 34 can first drive the second clutch template 222 to move closer to the connecting beam 32 and then detach it from the drain pipe. Then the first hydraulic cylinder 33 can drive the first clutch template 221 to move closer to the connecting beam 32 and then detach it from the drain pipe, ensuring that the detachment of the inner mold assembly 22 from the inner ring of the drain pipe can be completed smoothly.

[0061] It should be noted that the arc angle corresponding to the first clutch template 221 is greater than the arc angle corresponding to the second clutch template 222, so that the first clutch template 221 and the second clutch template 222 can be smoothly engaged or disengaged. The snap-fit ​​seat is a U-shaped structure with the opening facing one end of the clutch template, and the U-shape is provided with a snap-fit ​​groove. The end of the hydraulic cylinder can be snapped into the snap-fit ​​groove from the opening end of the snap-fit ​​seat.

[0062] To ensure that the movement of the hydraulic cylinder can smoothly drive the clutch template, and to make the cooperation between the hydraulic cylinder and the clutch template more stable and secure, each clutch template is connected to at least two hydraulic cylinders. Specifically, two first hydraulic cylinders 33 are provided at both ends of the connecting beam 32, and two first hydraulic cylinders 33 at the same end of the connecting beam 32 are located on the upper and lower sides of the connecting beam 32, respectively. Two second hydraulic cylinders 34 are also provided at both ends of the connecting beam 32, and two second hydraulic cylinders 34 at the same end of the connecting beam 32 are located on the left and right sides of the connecting beam 32, respectively. Each clutch template is provided with two locking seats.

[0063] Based on the above structure, the inner rings of the two ends of the first clutch template 221 are provided with first connecting seats 2211, and the inner rings of the two ends of the second clutch template 222 are provided with second connecting seats 2221. The first connecting seats 2211 and the second connecting seats 2221 can be connected to the end plate. The outer rings of the upper template 211 and the lower template 212 can be connected to the short plate. Thus, the clutch template, the upper template 211 and the lower template 212 are connected into a whole through the end plate.

[0064] To ensure the stability of the engagement between the first clutch template 221 and the second clutch template 222, and to prevent the concrete pouring from affecting the engagement between the first clutch template 221 and the second clutch template 222, or causing material leakage at the engagement position, the second clutch template 222 is provided with arc-shaped wing plates 223 on both sides. The first hydraulic cylinder 33 is configured to move the first clutch template 221 to the inner ring on both sides to fit against the wing plates 223, and the outer ring to be flush with the outer ring of the second clutch template 222.

[0065] In this embodiment, combined with Figure 6 The end plate includes a first end plate 231 and a second end plate 232 located at both ends of the outer mold assembly 21. The second end plate 232 has an opening in the middle. In order to make the connection of the first end plate 231 smoother, the first end plate 231 also has an opening in the middle. That is, the first end plate 231 includes an annular plate 2311, and an annular connecting platform 2312 is provided in the middle of one side. It can be bolted to the connecting seat of the clutch template through the connecting platform 2312.

[0066] To facilitate the fitting of the manufactured drain pipes, the outer mold assembly 21 has an annular first boss protruding inward on the inner ring near the first end plate 231. Specifically, the upper mold 2 has a semi-circular semi-convex ring 2111 on the inner ring near the first end plate 231, and the lower mold 2 also has a semi-circular semi-convex ring 2111 on the inner ring near the first end plate 231. The two semi-convex rings 2111 form the first boss. The inner side of the second end plate 232 has an annular second boss 2313. The inner diameter of the second boss 2313 matches the inner diameter of the drain pipe, and the cylindrical structure formed by the clutch template can be inserted into the second boss 2313. The outer diameter of the second boss 2313 matches the inner diameter of the first boss, allowing the drain pipe to form an insertion interface and a connector at both ends, facilitating the subsequent fitting and installation of the drain pipes.

[0067] In this embodiment, the connecting beam 32 is detachably equipped with a vibration unit (not shown, but may be a vibration motor) that can contact the clutch template. The vibration unit can cause the clutch template to generate high-frequency low-amplitude vibration, thereby making the concrete filling more complete.

[0068] To further ensure sufficient concrete filling, the vibration unit can come into contact with the first clutch template 221 below the connecting beam 32.

[0069] To ensure that the casting and molding of the drainage pipe can be carried out fully in the axial direction, the vibration unit can slide along the length of the connecting beam 32.

[0070] The present invention also provides a method for manufacturing a drainage pipe, which is based on the above-mentioned straight-through concrete drainage pipe manufacturing system and includes the following steps:

[0071] S1, Mold 2 Assembly

[0072] S1.1 Lay the base 1 flat and hoist the lower template 212 onto the base 1 so that the lower template 212 is in a flat position with the opening facing upward.

[0073] S1.2 Hoist the upper template 211 to the upper side of the lower template 212, and fix the upper template 211 and the lower template 212 together with bolts to form a horizontal cylindrical shape that is open at both ends and fits with the outer ring of the drainage pipe.

[0074] S1.3. Lift the second end plate 232 to a vertical position, and then drive the moving vehicle 31 to move, causing the connecting beam 32 and the hydraulic cylinder to pass through the opening of the lifted end plate (second end plate 232);

[0075] S1.4. Several clutch templates are respectively connected to several hydraulic cylinders through the snap-fit ​​seats. The hydraulic cylinders are driven to move the clutch templates away from / close to the connecting beam 32 to form a transverse cylindrical shape that is open at both ends and matches the inner ring of the drain pipe.

[0076] Specifically: the first hydraulic cylinder 33 is adjusted to the extended state and the second hydraulic cylinder 34 is adjusted to the retracted state. First, the two second clutch templates 222 are clamped to the left and right sides of the connecting beam 32 by the second hydraulic cylinder 34. Then, the two first clutch templates 221 are clamped to the upper and lower sides of the connecting beam 32 by the first hydraulic cylinder 33. Then, the second hydraulic cylinder 34 is extended until the axes of the two second clutch templates 222 coincide. Finally, the first hydraulic cylinder 33 is retracted until the two first clutch templates 221 are in contact with the wing plates 223 on both sides of the second clutch templates 222, so that the first clutch templates 221 and the second clutch templates 222 form a cylindrical shape.

[0077] S1.5, drive the moving vehicle 31 to move, causing the cylindrical clutch template to extend from one end of the semi-convex ring 2111 set in the lower template 212 and the upper template 211 into the space between the upper template 211 and the lower template 212. At the same time, drive the hoisted end plate to move synchronously to one end of the upper template 211 and the lower template 212 where the first protrusion is set. At this time, the cylindrical structure formed by the upper template 211 and the lower template 212 is coaxial with the cylindrical structure formed by several clutch templates, and there is a gap between them.

[0078] S1.6 Connect the first end plate 231 and the second end plate 232 to the upper template 211, the lower template 212 and the clutch template in sequence;

[0079] S1.7, Drive the moving vehicle 31 to disengage the hydraulic cylinder from the locking seat;

[0080] S1.8 Drive the hydraulic cylinder to retract, and withdraw the connecting beam 32 and the hydraulic cylinder from the opening in the end plate;

[0081] S2, Grouting

[0082] Concrete is poured into the space between the outer mold assembly 21 and the inner mold assembly 22 through the grouting port 213, and the filling of the concrete is made more thorough with the help of the vibration unit. Then the plug 24 is installed in the grouting port 213 and cured.

[0083] S3, Demolding

[0084] S3.1 Remove both end plates;

[0085] S3.2 Drive the moving vehicle 31 to move, causing the connecting beam 32 and the hydraulic cylinder to extend into the space between several clutch templates, and make the hydraulic cylinder engage with the clutch template's locking seat;

[0086] S3.3, Drive the hydraulic cylinder to move the clutch template toward the connecting beam 32 until it separates from the inner wall of the drain pipe;

[0087] Specifically: First, drive the second hydraulic cylinder 34 to move the two second clutch templates 222 toward the connecting beam 32 until they are separated from the inner ring of the drain pipe; then drive the first hydraulic cylinder 33 to move the two first clutch templates 221 toward the connecting beam 32 until they are separated from the inner ring of the drain pipe.

[0088] S3.4, Drive the moving vehicle 31 to move, causing the clutch template to retract from inside the drain pipe;

[0089] S3.5 Remove the upper template 211;

[0090] S3.6. Lift the drain pipe away from the lower formwork 212.

Claims

1. A straight-through concrete drainage pipe manufacturing system, characterized in that, It includes a formwork support device (3) and a base (1), and the formwork support device (3) enables the assembly of the mold (2) on the base (1); The mold (2) includes an outer mold assembly (21), which includes a lower mold plate (212) that can be placed horizontally on the base (1) and an upper mold plate (211) that is detachably connected to the upper side of the lower mold plate (212). The upper mold plate (211) and the lower mold plate (212) can form a cylindrical shape that is open at both ends and fits with the outer ring of the drain pipe. The upper mold plate (211) is also provided with a grouting port (213), and a plug (24) is connected through the grouting port (213). The formwork support device (3) includes a moving vehicle (31) and a connecting beam (32) connected to it at one end and arranged laterally. Several hydraulic cylinders are arranged in a circular array around its axis on the connecting beam (32). The mold (2) also includes an inner mold assembly (22). The inner mold assembly (22) includes several clutch templates. The inner side of the clutch template is provided with a snap-fit ​​seat. The snap-fit ​​seats on the inner side of the clutch templates can be separably snap-fit ​​connected to several hydraulic cylinders. The movement of the moving vehicle (31) can extend several clutch templates from one end of the upper template (211) into the space between the upper template (211) and the lower template (212) through the connecting beam (32). The hydraulic cylinder is configured to drive several clutch templates away from the connecting beam (32) to form a cylindrical shape that is open at both ends and cooperates with the inner ring of the drain pipe, or to drive several clutch templates toward the connecting beam (32) to separate from the inner wall of the drain pipe. The mold (2) also includes a stop assembly (23), which includes two end plates, and the two end plates are detachably and sealed to both ends of the outer mold assembly (21) and both ends of the inner mold assembly (22); At least one end plate has an opening in the middle, and the size of the opening is configured to allow a hydraulic cylinder to pass through in the retracted state.

2. The straight-through concrete drainage pipe manufacturing system according to claim 1, characterized in that, The clutch template includes two arc-shaped first clutch templates (221) and two arc-shaped second clutch templates (222); The hydraulic cylinder includes at least two first hydraulic cylinders (33) and two second hydraulic cylinders (34), with the axes of the first hydraulic cylinders (33) and the second hydraulic cylinders (34) arranged vertically and horizontally, respectively. The first hydraulic cylinder (33) and the second hydraulic cylinder (34) can respectively engage with the snap-fit ​​seats inside the first clutch template (221) and the second clutch template (222), and can drive the two first clutch templates (221) and the two second clutch templates (222) to move closer to / away from the connecting beam (32).

3. The straight-through concrete drainage pipe manufacturing system according to claim 2, characterized in that, The second clutch template (222) is also provided with arc-shaped wing plates (223) on both sides. The first hydraulic cylinder (33) is configured to drive the first clutch template (221) to move to the inner ring of both sides to fit with the wing plate (223), and the outer ring is flush with the outer ring of the second clutch template (222).

4. The straight-through concrete drainage pipe manufacturing system according to claim 2, characterized in that, The horizontal plane at the upper end of the grouting port (213) extends at least 15cm above the upper template (211).

5. A straight-through concrete drainage pipe manufacturing system according to claim 2, characterized in that, Each clutch template is engaged with at least two hydraulic cylinders.

6. The straight-through concrete drainage pipe manufacturing system according to claim 2, characterized in that, The outer mold assembly (21) has an annular first boss protruding inward on one end of its inner ring, and an annular second boss (2313) is provided on the inner side of the end plate of the outer mold assembly (21) away from the first boss. The inner diameter of the second boss (2313) matches the inner diameter of the drain pipe, and the outer diameter matches the inner diameter of the first boss.

7. A straight-through concrete drainage pipe manufacturing system according to claim 2, characterized in that, The connecting beam (32) is detachably equipped with a vibration unit that can contact the clutch template.

8. A straight-through concrete drainage pipe manufacturing system according to claim 7, characterized in that, The vibration unit can contact the first clutch template (221) below the connecting beam (32).

9. A straight-through concrete drainage pipe manufacturing system according to claim 8, characterized in that, The vibration unit can slide along the length of the connecting beam (32).

10. A method for manufacturing a drainage pipe, characterized in that, The manufacturing method of the straight-through concrete drainage pipe manufacturing system according to any one of claims 2-9 includes the following steps: S1, Mold (2) Assembly S1.

1. Lay the base (1) flat and hoist the lower template (212) onto the base (1); S1.2 Hoist the upper template (211) to the upper side of the lower template (212) and fix the upper template (211) and the lower template (212) to form a horizontal cylindrical shape that is open at both ends and fits with the outer ring of the drainage pipe. S1.

3. Lift the end plate with the opening to a vertical position, and then drive the moving vehicle (31) to move, so that the connecting beam (32) and the hydraulic cylinder pass through the opening of the lifted end plate; S1.

4. Connect several clutch templates to several hydraulic cylinders respectively, drive the hydraulic cylinders to move the clutch templates away from / close to the connecting beam (32) to form a transverse cylindrical shape with both ends through and in cooperation with the inner ring of the drain pipe; S1.5, drive the moving vehicle (31) to move, drive the cylindrical clutch template to extend from one end of the lower template (212) and the upper template (211) into the space between the upper template (211) and the lower template (212), and at the same time drive the hoisted end plate to move synchronously to one end of the upper template (211) and the lower template (212). At this time, the cylindrical structure formed by the upper template (211) and the lower template (212) is coaxial with the cylindrical structure formed by several clutch templates, and there is a gap between them. S1.6 Connect the hoisted end plate and the other end plate in sequence to the upper template (211), the lower template (212) and the clutch template; S1.7, Drive the moving vehicle (31) to disengage the hydraulic cylinder from the clamping seat; S1.8 Drive the hydraulic cylinder to retract and withdraw the connecting beam (32) and the hydraulic cylinder from the opening of the end plate; S2, Grouting Concrete is poured into the space between the outer mold assembly (21) and the inner mold assembly (22) through the grouting port (213) and then cured to shape. S3, Demolding S3.1 Remove both end plates; S3.2, drive the moving vehicle (31) to move, drive the connecting beam (32) and hydraulic cylinder to extend between several clutch templates, and make the hydraulic cylinder engage with the clutch template's locking seat; S3.3, drive the hydraulic cylinder to move the clutch template toward the connecting beam (32) until it separates from the inner wall of the drain pipe; S3.4, drive the moving vehicle (31) to move, causing the clutch template to withdraw from the inside of the drain pipe; S3.5 Remove the upper template (211); S3.

6. Lift the drain pipe off the lower formwork (212).

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