DE202023102444U1 - Mobile forming tool for cast-in-place integral pipe trenches - Google Patents

Abstract

Mobile forming tool for cast-in-place integral pipe trenches, characterized in that the forming tool comprises:
an inner formwork (1) having a foundation height in a vertical direction, said inner formwork (1) having an upper casting end and a lower supporting end, two inner forms (1) being provided and spaced from each other;
an outer formwork (2), wherein two outer forms (2) are provided and arranged in one-to-one correspondence with the inner forms (1), the area between the inner formwork (1) and the outer formwork (2) forming a mold chamber ;
a lifting device (3) which is arranged between the two inner formwork (1), at the upper end of which a first drive shaft which is telescopic along a Y-direction is arranged and at the lower end of which a second drive shaft which is telescopic along the Y-direction is arranged;
a lower seat (51) on the bottom of which at least two pairs of rotatable rolling elements (6) are arranged, the second drive shaft being connected to the lower seat (51); and
an upper seat (52) having a foundation length in an X-direction adapted to a distance between the two inner shells (1), the first drive shaft being connected to the upper seat (52);
at the pouring end of the inner formwork (1) there is a projection (71) which extends outwards, a grouting hole (72) being provided on the projection (71), the outer formwork (2) being detachably connected to the projection (71). at least three groups of hinge seats (81) are provided on an inner side of the inner formwork (1) spaced apart from each other, the hinge seat (81) being hingedly connected to the inner formwork (1) so that it is relative to the inner formwork (1) is foldable;
wherein in the movement of the first drive shaft the upper seat (52) corresponds to hinge seats (81) at different heights and the upper seat (52) can be detachably connected to the hinge seats (81), wherein in the movement of the second drive shaft the lower seat (51) is movable relative to the lowermost hinge seat (81) and the lower seat (51) is detachably connectable to the lowermost hinge seat (81).

Description

TECHNICAL AREA

The present disclosure relates to the technical field of tunneling, and more particularly to a mobile forming tool for cast-in-place integral pipe trenches.

STATE OF THE ART

When casting and constructing integral pipe trenches of a road tunnel, the use of integral pipe trench formwork is required. Existing formwork is often built with multiple planks of wood which can be constructed to form an inner and outer frame to form an inner pouring space for pouring operations. An existing composite integral formwork is formed in one piece, installed by crane, manually fastened and subjected to synchronous inverted arch pouring.

In an existing spliced formwork system for cast-in-place integral pipe trenches, forms must be assembled and disassembled before and after pouring concrete, and the use of small formwork causes cumbersome assembly and disassembly operation and results in low work efficiency a formwork composed of several small forms has many joints and has a poor splicing effect. Thus, splicing defects and leakage easily occur in the subsequent molding process, resulting in poor appearance of prefabricated box culverts. In addition, the multiple assembly and disassembly of formwork also requires a lot of work. And the deformation caused by the collision of the formwork also reduces the quality of the formwork. However, the existing overall formwork is heavy and difficult to move. It requires a large hoisting machine to move the existing overall formwork to the next construction drive, which takes a lot of time and reduces construction efficiency.

Therefore, there are still problems in the prior art when using integral pipe trench formwork for construction, such as e.g. B. Low construction efficiency, unstable quality and laborious building. For this, it is necessary to provide a more reasonable technical solution to eliminate the problems in the prior art.

CONTENT OF THE PRESENT INVENTION

The object of the present disclosure is to provide a mobile forming tool for cast-in-place integral pipe trenches to overcome the problems of using prior art integral pipe trench forms for construction, such as e.g. B. low construction efficiency, unstable quality and tedious construction to eliminate.

• eine Innenschalung, die eine Fundamenthöhe in vertikaler Richtung aufweist, wobei die Innenschalung ein oben liegendes Gießende und ein unten liegendes Stützende aufweist, wobei zwei Innenschalungen vorgesehen sind und voneinander beabstandet angeordnet sind;
• eine Außenschalung, wobei zwei Außenschalungen vorgesehen sind und in Eins-zu-Eins-Entsprechung zu den Innenschalungen angeordnet sind, wobei der Bereich zwischen der Innenschalung und der Außenschalung eine Formkammer bildet;
• eine Hebevorrichtung, die zwischen den beiden Innenschalungen angeordnet ist, an deren oberem Ende eine entlang einer Y- Richtung teleskopierbare erste Antriebswelle angeordnet ist, und an deren unterem Ende eine entlang der Y-Richtung teleskopierbare zweite Antriebswelle angeordnet ist;
• einen unteren Sitz, an dessen Boden mindestens zwei Paare von drehbaren Rollelementen angeordnet sind, wobei die zweite Antriebswelle mit dem unteren Sitz verbunden ist; und einen oberen Sitz, der in einer X-Richtung eine Fundamentlänge aufweist, die an einen Abstand zwischen den beiden Innenschalungen angepasst ist, wobei die erste Antriebswelle mit dem oberen Sitz verbunden ist;
• wobei am Gießende der Innenschalung ein Vorsprung angeordnet ist, der sich nach außen erstreckt, wobei am Vorsprung ein Vergussloch vorgesehen ist, wobei die Außenschalung lösbar mit dem Vorsprung verbunden ist, wobei an einer Innenseite der Innenschalung mindestens drei Gruppen von Scharniersitzen vorgesehen sind, die voneinander beabstandet angeordnet sind, wobei der Scharniersitz klappbar mit der Innenschalung verbunden ist, so dass er relativ zur Innenschalung klappbar ist;
• wobei bei der Bewegung der ersten Antriebswelle der obere Sitz zu Scharniersitzen in unterschiedlichen Höhen korrespondiert und der obere Sitz lösbar mit den Scharniersitzen verbunden werden kann, wobei bei der Bewegung der zweiten Antriebswelle der untere Sitz relativ zu dem untersten Scharniersitz bewegbar ist und der untere Sitz lösbar mit dem untersten Scharniersitz verbunden werden kann.

In order to achieve the above object, the present disclosure provides a mobile forming tool for cast-in-place integral pipe trenches, comprising:

• an inner form having a foundation height in a vertical direction, the inner form having an upper casting end and a lower support end, two inner forms being provided and spaced apart from each other;
• an outer form, wherein two outer forms are provided and arranged in one-to-one correspondence with the inner forms, the area between the inner form and the outer form forming a mold chamber;
• a lifting device which is arranged between the two inner casings, at the upper end of which a first drive shaft which is telescopic along a Y-direction is arranged and at the lower end of which a second drive shaft which is telescopic along the Y-direction is arranged;
• a lower seat at the bottom of which at least two pairs of rotatable rolling elements are arranged, the second drive shaft being connected to the lower seat; and an upper seat having a foundation length in an X-direction adjusted to a distance between the two inner shells, the first drive shaft being connected to the upper seat;
• at the pouring end of the inner formwork there is a protrusion which extends outwardly, at the protrusion a grouting hole is provided, the outer formwork is detachably connected to the protrusion, at least three groups of hinge seats are provided on an inner side of the inner formwork, which are mutually separated are spaced apart with the hinge seat being hingedly connected to the inner formwork so that it is hinged relative to the inner formwork;
• wherein upon movement of the first drive shaft, the upper seat corresponds to hinge seats at different heights, and the upper seat is releasably connected to the hinge seats can be bound, wherein upon movement of the second drive shaft, the lower seat is movable relative to the lowermost hinge seat and the lower seat can be releasably connected to the lowermost hinge seat.

In one possible embodiment, it is provided that the forming tool also comprises a closure element, with a positioning hole being provided on the inner formwork and the outer formwork, which is adapted to the closure element, with the closure element being inserted into the positioning hole of the inner formwork and the outer formwork, to keep the position of the inner formwork relative to the outer formwork.

In one possible embodiment it is provided that the closure element is designed as a water stop screw, with the positioning hole being designed as a threaded hole which is adapted to the water stop screw.

In one possible embodiment, it is provided that at least two closure elements are arranged on each of the inner formwork and each of the outer formwork.

In one possible embodiment, it is provided that the forming tool also includes a traversing device, the traversing device being firmly connected to the lifting device;
A push rod that can be moved in the X-direction is arranged at both ends of the traversing device, so that when the traversing device is activated, the push rod can be pressed against the inner formwork.

In one possible embodiment, it is provided that the push rod is firmly connected to the inner formwork.

In one possible embodiment, it is provided that the traversing device is designed as two groups of hydraulic cylinders, pneumatic cylinders or linear modules connected to one another.

In a possible embodiment it is provided that the lifting device is designed as a screw-nut transmission device comprising two screw rods and a sleeve, one end of the screw rod being connected to the upper seat or the lower seat by a bearing and the other end is screwed into the sleeve so that when the sleeve is rotated, the exposed position of the screw rod can be adjusted to change the distance between the lower seat and the upper seat;
wherein the screw rod connected to the upper seat is the first drive shaft, and wherein the screw rod connected to the lower seat is the second drive shaft.

In one possible embodiment, it is provided that the lifting device is designed as two groups of hydraulic cylinders, pneumatic cylinders or linear modules connected to one another.

In one possible embodiment, it is provided that the forming tool also includes a bolt and a nut, with the hinge seat being detachably connected to the upper seat and the lower seat, respectively, by the bolt and the nut.

With the technical solutions described above, the mobile forming tool for cast-in-place integral pipe trenches can be used repeatedly, which is advantageous for reducing the construction cost. At the same time, the forming die has a simple structure and is easy to operate, which is beneficial to ensure the construction efficiency and construction quality. In addition, the provision of the lifting device and the provision of the hinge seats can facilitate the adjustment of the position of the lower seat in a wide range, which is advantageous to expand the application range of the forming die, better flexibility and practicability, and better economic value and better achieve application prospects.

Additional features and advantages of the present disclosure are described in detail in the Detailed Embodiments section below.

character list

• 1 zeigt eine schematische Strukturansicht eines mobilen Umformwerkzeugs für vor Ort gegossene integrale Rohrgräben in einem Ausführungsbeispiel, wobei sich die Rollelemente des Umformwerkzeugs in einem hängenden Zustand befinden;
• 2 zeigt eine schematische Strukturansicht eines mobilen Umformwerkzeugs für vor Ort gegossene integrale Rohrgräben in einem Ausführungsbeispiel, wobei sich die Rollelemente des Umformwerkzeugs in Kontakt mit dem Boden stehen;
• 3 zeigt eine schematische Strukturansicht eines mobilen Umformwerkzeugs für vor Ort gegossene integrale Rohrgräben in einem Ausführungsbeispiel, wobei sich die Rollelemente des Umformwerkzeugs in einem hängenden Zustand befinden, und wobei die Außenschalung entfernt ist;
• 4 zeigt eine schematische Strukturansicht des mobilen Umformwerkzeugs für vor Ort gegossene integrale Rohrgräben in einem tatsächlichen Anwendungsszenario; und
• 5 zeigt eine schematische Ansicht des mobilen Umformwerkzeugs für vor Ort gegossene integrale Rohrgräben in einem tatsächlichen Anwendungsszenario.

The accompanying drawings are used to provide a further understanding of the present disclosure and constitute a part of the specification. The accompanying drawings, together with the following detailed embodiments, are used to explain the present disclosure, but not to limit the present disclosure. The figures show:

• 1 Fig. 12 is a schematic structural view of a mobile forming tool for cast-in-place integral pipe trenches in one embodiment, with the rolling elements of the forming tool being in a suspended state;
• 2 shows a schematic structural view of a mobile on-site forming tool cast integral tube trenches in one embodiment with the rolling elements of the forming tool in contact with the ground;
• 3 Fig. 12 is a schematic structural view of a mobile forming tool for cast-in-place integral pipe trenches in one embodiment, with the rolling elements of the forming tool in a suspended state and with the outer formwork removed;
• 4 Fig. 12 shows a schematic structural view of the mobile forming tool for cast-in-place integral pipe trenches in an actual application scenario; and
• 5 FIG. 12 shows a schematic view of the mobile forming tool for cast-in-place integral pipe trenches in an actual application scenario.

DETAILED DESCRIPTION

The specific embodiments of the present disclosure will be described below in detail with reference to the accompanying drawings.

It shall be indicated that the X-direction can be understood as the horizontal direction and the Y-direction as the vertical direction, these directions being able to refer to the directions of the drawing plane of the drawings or to the directions of the coordinate system, where the indication " Inside" or "outside" indicates an inside or outside of the contour of the corresponding component, whereby the information "first", "second" etc. is used to distinguish one component from another component and does not indicate any order or importance.

According to the detailed embodiments, a mobile forming tool for cast-in-place integral pipe trenches is provided. The forming tool may provide a cast formwork structure for the encircling tube gallery. Since a whole is formed by means of the forming tool by means of detachable connections, dismantling is made easier. Further, based on the structural design of the forming die, the clearance can be adjusted, which is convenient for demoulding. At the same time, a mobile platform will be set up to facilitate the movement of the entire formwork between drives, saving human and material resources. show it 1 until 5 a specific one of the embodiments.

With reference to 1 until 5 the forming die comprises: an inner formwork 1 having a foundation height in the vertical direction, the inner formwork 1 having an upper casting end and a lower supporting end, two inner forms 1 being provided and spaced from each other; an outer form 2, wherein two outer forms 2 are provided and arranged in one-to-one correspondence with the inner forms 1, the area between the inner form 1 and the outer form 2 forming a molding chamber; a lifting device 3, which is arranged between the two inner formwork 1, at the upper end of which a telescopic along a Y-direction first drive shaft is arranged, and at the lower end of which a telescopic along the Y-direction second drive shaft is arranged; a lower seat 51 on the bottom of which at least two pairs of rotatable rolling elements 6 are arranged, the second drive shaft being connected to the lower seat 51; and an upper seat 52 having a foundation length in an X-direction adapted to a distance between the two inner forms 1, the first drive shaft being connected to the upper seat 52.

A projection 71 is arranged at the casting end of the inner formwork 1 and extends outwards, with a grouting hole 72 being provided on the projection 71, with the outer formwork 2 being detachably connected to the projection 71, with at least three groups on an inner side of the inner formwork 1 of hinge seats 81 spaced apart from each other, the hinge seat 81 being foldably connected to the inner formwork 1 so as to be foldable relative to the inner formwork 1.

In the movement of the first drive shaft, the upper seat 52 corresponds to hinge seats 81 at different heights, the upper seat 52 being detachably connectable to the hinge seats 81; upon movement of the second drive shaft, the lower seat 51 is movable relative to the lowermost hinge seat 81, the lower seat 51 being detachably connectable to the lowermost hinge seat 81.

1. 1. Die Scharniersitze 51 sind an der Innenseite der Innenschalung angeordnet sind und können sich in drei Positionen, und zwar einer oberen, einer mittleren und einer unteren Position, befinden, wobei der Abstand zwischen der oberen Position und der mittleren Position kleiner als der Abstand zwischen der mittleren Position und der unteren Position ist. In der tatsächlichen Anwendung kann der obere Sitz 52 zunächst mit dem Scharniersitz 81 in der mittleren Position verbunden werden und dann kann der untere Sitz 51 mit dem Scharniersitz 81 in der unteren Position verbunden werden, so dass der Boden der Innenschalung 1 höher als das Rollelement 6 des unteren Sitzes 51 ist, wobei das Rollelement 6 den Boden direkt berühren kann, wodurch Arbeiter das Umformwerkzeug leicht an eine zu bearbeitende Position schieben können, um nachfolgende Gießarbeiten auszuführen.
2. 2. Aufgrund des Vorsehens der Hebevorrichtung 3 wird je nach Fahrbahnbeschaffenheit die erste Antriebswelle und/oder die zweite Antriebswelle der Hebevorrichtung 3 ausgefahren, so dass die Rollelemente 6 an dem Boden anliegen und der Bodenteil der Innenschalung relativ zum Boden einen Spalt aufweist. Dadurch können die Arbeiter das Umformwerkzeug leicht an eine zu bearbeitende Position schieben, um nachfolgende Gießarbeiten auszuführen.

If the forming tool needs to be moved, there are two ways to adjust the lower seat 51:

1. 1. The hinge seats 51 are located on the inside of the inner formwork and can be in three positions, namely an upper, a middle and a lower position, where the distance between the upper position and the middle position is smaller than the distance between the middle position and the bottom position. In actual use, the top seat 52 can initially be used with the hinge seat 81 in the middle position be connected and then the lower seat 51 can be connected with the hinge seat 81 in the lower position, so that the bottom of the inner formwork 1 is higher than the rolling element 6 of the lower seat 51, the rolling element 6 can touch the ground directly, thereby workers can easily push the forming die to a position to be machined to carry out subsequent casting work.
2. 2. Due to the provision of the lifting device 3, the first drive shaft and/or the second drive shaft of the lifting device 3 is extended, depending on the condition of the roadway, so that the rolling elements 6 rest against the ground and the bottom part of the inner formwork has a gap relative to the ground. This allows the workers to easily push the forming die to a position to be machined for subsequent casting work.

In this way, different possibilities can be used to set the forming tool to a movable state, which means that better flexibility is realized. Due to the structure of the forming die, the height adjustment range of the lower seat 51 is increased, thereby expanding the applicable range of the forming die.

1. 1. Nachdem das Umformwerkzeug in eine Arbeitsposition bewegt hat, wird die Verbindung zwischen dem oberen Sitz 52 und dem Scharniersitz 81 in der mittleren Position gelöst; dann wird die Verbindung zwischen dem unteren Sitz 51 und dem Scharniersitz 81 in der unteren Position gelöst; danach wird der obere Sitz 52 mit dem Scharniersitz 81 in der oberen Position verbunden, wodurch der Bodenteil der Innenschalung 1 niedriger als das Rollelement 6 des unteren Sitzes 51 ist, so dass sich das Rollelement 6 in einem vergleichsweise hängenden Zustand befindet. Dies ist vorteilhaft, um die Stabilität einer Position während der Bearbeitung an dieser Position sicherzustellen, so dass die Gießarbeit in einer relativ stabilen Umgebung durchgeführt werden kann.
2. 2. Aufgrund des Vorsehens der Hebevorrichtung 3 kann zunächst die Verbindung zwischen dem unteren Sitz 51 und dem Scharniersitz 81 in der unteren Position gelöst werden; dann wird je nach Fahrbahnbeschaffenheit die zweite Antriebswelle und/oder die zweite Antriebswelle der Hebevorrichtung 3 eingefahren, wodurch der untere Sitz 51 angehoben wird und das Rollelement 6 vom Boden ferngehalten wird. Damit kann der Bodenteil der Innenschalung 1 den Boden direkt berühren wodurch ein effektives Bremsen erzielt wird.

If the forming die needs to be subjected to stop braking (deceleration), there are two ways to adjust the lower seat 51:

1. 1. After the forming tool has moved to a working position, the connection between the upper seat 52 and the hinge seat 81 in the middle position is released; then the connection between the lower seat 51 and the hinged seat 81 in the lower position is released; thereafter, the upper seat 52 is connected to the hinge seat 81 in the upper position, whereby the bottom part of the inner form 1 is lower than the rolling member 6 of the lower seat 51, so that the rolling member 6 is in a comparatively hanging state. This is advantageous for ensuring the stability of a position during machining at that position, so that the casting work can be performed in a relatively stable environment.
2. 2. Because of the provision of the jack 3, first, the connection between the lower seat 51 and the hinge seat 81 in the lower position can be released; then, depending on the condition of the road, the second drive shaft and/or the second drive shaft of the lifting device 3 is retracted, as a result of which the lower seat 51 is raised and the rolling element 6 is kept off the ground. This allows the bottom part of the inner formwork 1 to touch the ground directly, thereby achieving effective braking.

In this way, different options can be used to set the forming tool to a parked state, as a result of which better flexibility is realized. Due to the structure of the forming die, the height adjustment range of the lower seat 51 is increased, thereby expanding the applicable range of the forming die.

Prior to casting, the outer formwork 2 can be joined to the inner formwork 1 to form a mold cavity that meets the casting requirements. Thereafter, a grout can be poured through the upper seat 52 on the boss 71 towards the mold chamber. After the mortar has set, the locking between the projection 71 and the outer formwork 2 is released to facilitate demoulding. This completes the work to manufacture the cast-in-place integral pipe trench.

After that, all you have to do is repeat the above actions.

With the technical solutions described above, the mobile forming tool for cast-in-place integral pipe trenches can be used repeatedly, which is advantageous for reducing the construction cost. At the same time, the forming die has a simple structure and is easy to operate, which is beneficial to ensure the construction efficiency and construction quality. In addition, by providing the elevator 3 and providing the hinge seats 81, the adjustment of the position of the lower seat 51 can be facilitated in a wide range, which is advantageous to expand the range of application of the forming die, better flexibility and practicability, and better economy value and better application prospects.

In an exemplary embodiment provided by the present disclosure, it is provided that the forming tool also comprises a closure element 82, with a positioning hole being provided on the inner formwork 1 and the outer formwork 2, which is adapted to the closure element 82, with the closure element 82 in each case Positioning hole of the inner formwork 1 and the outer formwork 2 is used to hold the position of the inner formwork 1 relative to the outer formwork 2.

In this way it is favorable to keep the distance between the inner formwork 1 and the outer formwork 2 constant. After casting, a lateral load is applied to the inner formwork 1 and the outer formwork 2, so by providing the locking member, the influence of the lateral load on the inner formwork 1 and the outer formwork 2 can be reduced to some extent.

Specifically, the locking member 82 is formed as a water stop screw, and the positioning hole is formed as a threaded hole fitted to the water stop screw. In this detachable way, the inner formwork 1 and the outer formwork 2 are connected to form one piece. It should be noted that the water stop screw is part of the state of the art and can be flexibly provided by the skilled person according to the needs of use.

Of course, the locking element 82 can also be designed as a combination of a bolt and a nut, with the nut being arranged on the outer formwork 2, with the bolt being inserted into the inner formwork 1 and finally being connected to the nut, so that a stable connection between the inner formwork 1 and the outer formwork 2 is provided.

In particular, at least two closure elements 82 are arranged on each of the inner formwork 1 and each of the outer formwork 2 . In this way, the reliability of the connection between the inner formwork 1 and the outer formwork 2 can be increased, and stress concentration can be reduced.

In the present disclosure, two closure elements 82 are arranged on the inner formwork 1 and the outer formwork 2 in each case. In further exemplary embodiments, three or four closure elements 82 can also be arranged on the inner formwork 1 and the outer formwork 2, respectively. The specialist can adjust this flexibly according to the construction requirements on site.

In an exemplary embodiment provided by the present disclosure, it is provided that the forming tool further comprises a traversing device 4, the traversing device 4 being fixedly connected to the lifting device 3; A push rod that can be moved in the X-direction is arranged at both ends of the traversing device 4, so that when the traversing device 4 is activated, the push rod can be pressed against the inner formwork 1.

As a result, during mold making, the traverse device 4 is contracted/extended so that the push rod can be pressed against the inner formwork 1 and thus exert a pressing force on the inner formwork 1, thereby better forming the mortar.

As an option, the push rod is fixed to the inner formwork 1. In this way, when demolding, a retracted push rod can exert a tensile force on the inner formwork 1 in order to achieve better demolding.

As a further option, the push rod is applied to the inner formwork 1, with no actual connection being made. In this way, the contact position of the connecting rod can be configured flexibly through the movement of the lifting device 3 . Thus, during mold production, a pressing force can be exerted on the inner formwork 1 from different heights, which is advantageous in order to ensure the overall quality of the mortar after it has solidified.

In an exemplary embodiment provided by the present disclosure, it is provided that the traversing device 4 is designed as two groups of hydraulic cylinders, pneumatic cylinders or linear modules connected to one another. The person skilled in the art can adjust this flexibly according to the actual usage requirements.

When used, the two groups of hydraulic cylinders, pneumatic cylinders or linear modules can be connected. Note that in actual use, the traverse device 4 may be welded to the hoist 3, with the hoist 3 and the traverse device 4 arranged in a cross shape.

In an embodiment provided by the present disclosure, the hoist 3 may be formed as any suitable structure.

As an option, the lifting device 3 is designed as a screw-nut transmission device comprising two screw rods and a sleeve, one end of the screw rod being connected through a bearing to the upper seat 52 or the lower seat 51 and the other end to the sleeve is screwed in so that when the sleeve is rotated, the exposed position of the screw rod can be adjusted to change the distance between the lower seat 51 and the upper seat 52; being the ones with the top The screw rod connected to the seat 52 is the first drive shaft, and the screw rod connected to the lower seat 51 is the second drive shaft.

That is, the height of the lower seat 51 relative to the floor is adjusted by transmission of the screw rod. The details not mentioned here can be obtained by those skilled in the art making usual improvements starting from the prior art screw drive.

As a further option, the lifting device 3 is designed as two groups of hydraulic cylinders, pneumatic cylinders or linear modules connected to one another. The person skilled in the art can adjust this flexibly according to the actual usage requirements.

When used, the two groups of hydraulic cylinders, pneumatic cylinders or linear modules can be connected. It should be noted that in actual use, the extension and retraction directions of the hoist 3 lie on the same straight line.

When a traverse device 4 is provided, the hoisting device 3 and the traversing device 4 may be arranged in a cross shape.

In the present disclosure, the forming die further includes a bolt and a nut, and the hinge seat is detachably connected to the upper seat 52 and the lower seat 51 by the bolt and the nut, respectively, thereby enabling quick disassembly and assembly. Furthermore, the parts are easy to obtain, easy to replace and maintain, inexpensive, and easy to operate.

In the present disclosure, the rolling member 6 may be equipped with rollers. On this basis, a brake mechanism can of course be additionally provided. This can be set flexibly by a person skilled in the art.

As an option, two pairs of rolling elements 6 are provided. In further embodiments, any suitable number of rolling elements 6, such as three pairs or four pairs, can be provided so that the forming die can move smoothly.

The projection 71 is formed in one piece with the inner formwork 1 .

• A1: Positionieren durch Abstecken, und Platzieren der Innenschalung 1 und der Außenschalung 2 mittels eines Krans auf entsprechende Positionen einer gehärteten und eingeebneten Baustelle;
• A2: Installieren der Traversiervorrichtung 4, wobei das linke Ende der Traversiervorrichtung 4 mit einer Innenschalung 1 verbunden ist, wobei das rechte Ende der Traversiervorrichtung 4 mit der anderen Innenschalung 1 verbunden ist;
• A3: Verbinden des oberen Endes des unteren Sitzes 51 mit dem unteren Ende der Hebevorrichtung 3, wobei der untere Sitz 51 hängend gehalten ist;
• A4: Anlenken des linken Endes des oberen Sitzes an einer Innenschalung 1, Anlenken des rechten Endes des oberen Sitzes an der anderen Innenschalung 1, und Verbinden der Hebevorrichtung 3 mit dem unteren Ende des oberen Sitzes;
• A5: Binden von Bewehrungsstählen 91 an der Außenseite der Innenschalung 1, Platzieren der Außenschalung 2 außerhalb eines Netzes aus Bewehrungsstählen, wobei mehrere Ausrichtungsschrauben durch die Innenschalung 1, die Formkammer und die Außenschalung 2 geführt werden und dann die Innenschalung 1 und die Außenschalung 2 befestigt und begrenzt sind;
• A6: Gießen von Beton durch das Vergussloch 72, um Seitenwände 92 zu bilden;
• A7: Entfernen der Ausrichtungsschrauben und der Außenschalung 2 nach dem Verfestigen des Betons der Seitenwand 92, Platzieren des Umformwerkzeugs in einen nächsten Vortrieb, Gießen eines invertierten Bogens bis zur Oberseite der Innenschalung 1, um eine Deckenstaffelung zu bilden.

With reference to 1 until 5 the operating procedure of this forming die is as follows:

• A1: positioning by staking, and placing the inner formwork 1 and the outer formwork 2 by means of a crane at respective positions of a hardened and leveled construction site;
• A2: installing the traverse device 4, the left end of the traverse device 4 being connected to one inner formwork 1, the right end of the traversing device 4 being connected to the other inner formwork 1;
• A3: connecting the upper end of the lower seat 51 to the lower end of the elevator 3 with the lower seat 51 suspended;
• A4: hinge the left end of the upper seat to one inner shell 1, hinge the right end of the upper seat to the other inner shell 1, and connect the jack 3 to the lower end of the upper seat;
• A5: Binding rebars 91 to the outside of the inner form 1, placing the outer form 2 outside a mesh of rebars, passing multiple alignment bolts through the inner form 1, mold chamber and outer form 2, and then fixing the inner form 1 and outer form 2 and are limited;
• A6: Pouring concrete through grout hole 72 to form side walls 92;
• A7: Remove alignment bolts and outer formwork 2 after hardening of sidewall 92 concrete, place forming tool in next drive, pour inverted arch to top of inner formwork 1 to form slab stagger.

• B1: Einfahren des oberen Endes der Hebevorrichtung 3, um den oberen Sitz abzusenken, so dass beide Seiten des oberen Sitzes von den Innenschalungen 1 getrennt werden, wobei das untere Ende der Hebevorrichtung 3 nach unten ausgefahren ist, um das Rollelement 6 am unteren Ende des unteren Sitzes 51 in Kontakt mit dem Boden zu bringen;
• B2: Zurückziehen der Traversiervorrichtung 4 nach innen, um die Innenschalung 1 vom Beton zu trennen, so dass das Entfernen der Schalung abgeschlossen wird; Trennen der beiden Seiten des oberen Sitzes von der Innenschalung 1 und Anlenken des unteren Endes der Innenschalung 1 am unteren Sitz 51;
• B3: Bewegen der Innenschalung 1 als Ganzes auf den nächsten Vortrieb;
• B4: Installieren der Abdeckung mittels eines Krans;
• B5: Wiederholen der obigen Vorgänge, um das Gießen eines integralen Rohrgrabens an einem neuen Vortrieb abzuschließen.

The method of using the forming tool includes a demolding step and a moving step, which are as follows:

• B1: Retraction of the upper end of the hoist 3 to lower the upper seat so that both sides of the upper seat are separated from the inner shells 1, with the lower end of the hoist 3 extended downward to release the rolling member 6 at the lower end of the to bring the lower seat 51 into contact with the floor;
• B2: retracting the traverse device 4 inward to separate the inner formwork 1 from the concrete, so that the removal of the formwork is completed; Separate the two sides of the top seat from the inside formwork 1 and hinge the lower end of the inner formwork 1 to the lower seat 51;
• B3: Moving the inner formwork 1 as a whole to the next drive;
• B4: Installing the cover using a crane;
• B5: Repeat the above operations to complete the pouring of an integral pipe trench on a new drive.

Hereinabove, the preferred embodiments of the present disclosure have been described in detail with reference to the accompanying drawings. However, the present disclosure is not limited to the specific details of the above-mentioned embodiments. Various simple variations can be made to the technical solution of the present disclosure within the technical concept of the present disclosure, and these simple variations fall within the scope of the present disclosure.

Reference List

1

inner formwork,

2

external formwork,

3

lifting device,

4

traversing device,

51

lower seat,

52

upper seat,

6

rolling element,

71

Head Start,

72

potting hole,

81

hinged seat,

82

closure element,

91

rebar,

92

Side wall.

Claims (10)

Mobile forming tool for cast-in-place integral pipe trenches, characterized in that the forming tool comprises: an inner formwork (1) having a foundation height in the vertical direction, the inner formwork (1) having an upper pouring end and a lower supporting end, wherein two Inner formwork (1) are provided and are arranged at a distance from one another; an outer formwork (2), wherein two outer forms (2) are provided and arranged in one-to-one correspondence with the inner forms (1), the area between the inner formwork (1) and the outer formwork (2) forming a mold chamber ; a lifting device (3) which is arranged between the two inner formwork (1), at the upper end of which a first drive shaft which is telescopic along a Y-direction is arranged and at the lower end of which a second drive shaft which is telescopic along the Y-direction is arranged; a lower seat (51) on the bottom of which at least two pairs of rotatable rolling elements (6) are arranged, the second drive shaft being connected to the lower seat (51); and an upper seat (52) having a foundation length in an X-direction adapted to a distance between the two inner shells (1), the first drive shaft being connected to the upper seat (52); at the pouring end of the inner formwork (1) there is a projection (71) which extends outwards, a grouting hole (72) being provided on the projection (71), the outer formwork (2) being detachably connected to the projection (71). at least three groups of hinge seats (81) are provided on an inner side of the inner formwork (1) spaced apart from each other, the hinge seat (81) being hingedly connected to the inner formwork (1) so that it is relative to the inner formwork (1) is foldable; wherein when the first drive shaft moves, the upper seat (52) corresponds to hinge seats (81) at different heights, and the upper seat (52) can be detachably connected to the hinge seats (81), wherein when the second drive shaft moves, the lower seat (51) is movable relative to the lowermost hinge seat (81) and the lower seat (51) is releasably connectable to the lowermost hinge seat (81). Mobile forming tool for cast-in-place integral pipe trenches claim 1 , characterized in that the forming tool further comprises a closure element (82), wherein a positioning hole is provided on the inner formwork (1) and the outer formwork (2), which is adapted to the closure element (82), wherein the closure element (82) respectively inserted into the positioning hole of the inner formwork (1) and the outer formwork (2) in order to be able to hold the position of the inner formwork (1) relative to the outer formwork (2). Mobile forming tool for cast-in-place integral pipe trenches claim 2 , characterized in that the locking member (82) is formed as a water stop screw, wherein the positioning hole is formed as a threaded hole, which is adapted to the water stop screw. Mobile forming tool for cast-in-place integral pipe trenches claim 2 , characterized in that at least two closure elements (82) are arranged on each of the inner formwork (1) and each of the outer formwork (2). Mobile forming tool for cast-in-place integral pipe trenches claim 1 , characterized in that the forming tool further comprises a traversing device (4), wherein the traversing device (4) is fixedly connected to the lifting device (3); A push rod movable in the X-direction is arranged at both ends of the traversing device (4), so that when the traversing device (4) is activated, the push rod can be pressed against the inner formwork (1). Mobile forming tool for cast-in-place integral pipe trenches claim 5 , characterized in that the push rod is firmly connected to the inner formwork (1). Mobile forming tool for cast-in-place integral pipe trenches claim 5 , characterized in that the traversing device (4) is designed as two groups of interconnected hydraulic cylinders, pneumatic cylinders or linear modules. Mobile forming tool for cast-in-place integral pipe trenches claim 1 , characterized in that the lifting device (3) is designed as a screw-nut transmission device comprising two screw rods and a sleeve, one end of the screw rod being connected by a bearing to the upper seat (52) or the lower seat (51) connected and the other end is screwed into the sleeve so that when the sleeve is rotated, the exposed position of the screw rod can be adjusted to change the distance between the lower seat (51) and the upper seat (52); wherein the screw rod connected to the upper seat (52) is the first drive shaft, and wherein the screw rod connected to the lower seat (51) is the second drive shaft. Mobile forming tool for cast-in-place integral pipe trenches claim 1 , characterized in that the lifting device (3) is designed as two groups of interconnected hydraulic cylinders, pneumatic cylinders or linear modules. Mobile forming tool for cast-in-place integral pipe trenches claim 1 , characterized in that the forming die further comprises a bolt and a nut, the hinge seat (81) being detachably connected to the upper seat (52) and the lower seat (51) by the bolt and the nut, respectively.

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