An assembled construction device and construction method for a tunnel cable slot

Abstract

The application discloses an assembled construction device for a tunnel cable groove and a construction method, solves the problem that a mold needs to be repeatedly removed in the prior art, has the beneficial effects of not needing to be removed and high reusability, and specifically has the following technical scheme: an assembled construction device for a tunnel cable groove, which comprises a mold, the mold comprises a top mold, first, second and third molds which are parallel to each other, the top mold is movably arranged above the second and third molds, the first and second molds are opposite to each other and form a concrete pouring area on one side of the cable groove, the second and third molds have a set distance therebetween, and the third mold and a tunnel secondary lining sidewall form a concrete pouring area on the other side of the cable groove; and a mold fixing assembly, the mold fixing assembly comprises a mold fixing frame, the mold fixing frame is connected with the first, second and third molds of the mold through connecting pieces, and the mold fixing frame comprises an embedding frame which can be embedded into the first mold.

Description

TECHNICAL FIELD

[0001] The present application relates to the field of tunnel infrastructure construction, in particular to an assembled construction device for a tunnel cable trench and a construction method. BACKGROUND

[0002] The statements in this section merely provide background information related to the present application and do not necessarily constitute the prior art.

[0003] With the rapid development of China's social economy, the transportation infrastructure construction has also developed accordingly. At present, we need to continuously shift to high-quality development, and the requirements for transportation infrastructure construction are becoming higher and higher. Assembled construction equipment gradually becomes the development trend in the transportation industry due to its high efficiency, precision and other characteristics.

[0004] At present, a large number of bridges and tunnels have been built. After the tunnel is excavated and connected, various supporting facilities need to be constructed. The inventor finds the following problems:

[0005] Before the tunnel ditch cable trench construction, the bottom needs to be precast with reinforcement. During the trench construction, the mold needs to be fixed to cast the concrete, and the mold connection is directly welded, which needs to be repeatedly removed.

[0006] In the field operation, steel pipes are mostly used for forced fixing and inserted through cables, and the side lining is damaged in force.

[0007] Due to the large amount of construction, there are low-efficiency construction equipment in most construction sites, resulting in low construction efficiency. SUMMARY

[0008] In view of the deficiencies of the prior art, the purpose of the present application is to provide an assembled construction device for a tunnel cable trench, which is movable without disassembly and has high reusability.

[0009] In order to achieve the above-mentioned purpose, the present application is realized by the following technical scheme:

[0010] An assembled construction device for a tunnel cable trench, comprising:

[0011] a mold, the mold comprising a top mold, a first mold plate, a second mold plate and a third mold plate, the top mold being movably arranged above the second mold plate and the third mold plate, the first mold plate and the second mold plate being opposite to each other and forming a concrete pouring area on one side of the cable trench, the second mold plate and the third mold plate having a set distance therebetween, and the third mold plate and the tunnel lining sidewall forming a concrete pouring area on the other side of the cable trench;

[0012] The mold fixing assembly comprises a mold plate fixing frame, the mold plate fixing frame is connected with the first mold plate, the second mold plate and the third mold plate of the mold through a connecting piece, the mold plate fixing frame comprises an embedding frame which can be embedded into the first mold plate, and the mold plate fixing frame is a gravity type fixing frame.

[0013] The movable transport vehicle supports the mold plate fixing frame, and the transport vehicle is separated from the mold plate fixing frame after the transport of the mold.

[0014] The assembly type construction device for the tunnel cable groove comprises a plurality of molds, and adjacent two molds are connected.

[0015] The assembly type construction device for the tunnel cable groove comprises a plurality of molds, and adjacent two molds are connected.

[0016] The assembly type construction device for the tunnel cable groove comprises a plurality of molds, and adjacent two molds are connected.

[0017] The first mold plate, the second mold plate and the third mold plate are all hollow, the first mold plate is provided with an embedding groove so that the embedding frame is embedded into the embedding groove, and the reliable connection between the mold fixing assembly and the mold is ensured by the arrangement of the connecting piece.

[0018] The assembly type construction device for the tunnel cable groove comprises a plurality of molds, and adjacent two molds are connected.

[0019] The assembly type construction device for the tunnel cable groove comprises a plurality of molds, and adjacent two molds are connected.

[0020] The assembly type construction device for the tunnel cable groove comprises a plurality of molds, and adjacent two molds are connected.

[0021] The height of the mold plate fixing frame relative to the connecting frame is adjustable, so that the whole mold is suitable for different construction environments.

[0022] The assembly type construction device for the tunnel cable groove comprises a plurality of molds, and adjacent two molds are connected.

[0023] The connecting piece comprises a fixing plate and a connecting plate, the fixing plate is located at the top of the first formwork, the second formwork and the third formwork, and the connecting plate is located at the end side of the first formwork, the second formwork and the third formwork, and the fixing plate and the connecting plate are connected with the first formwork, the second formwork and the third formwork through fasteners.

[0024] In a second aspect, the application further provides a construction method of the assembled construction device for the tunnel cable trench, which comprises the following contents:

[0025] The assembled construction device is transported to the construction site by the transport vehicle;

[0026] The first formwork, the second formwork and the third formwork are arranged close to the bound steel cage, and the connecting piece connects the formwork fixing frame with the first formwork, the second formwork and the third formwork;

[0027] The transport vehicle is unloaded;

[0028] The steel cage between the first formwork and the second formwork is poured with concrete to form a concrete pouring area on one side of the cable trench, and the steel cage between the third formwork and the side wall of the tunnel secondary lining is poured with concrete to form a concrete pouring area on the other side of the cable trench.

[0029] The application has the following beneficial effects:

[0030] 1) The whole device comprises three parts, and the whole device can be assembled and reused without repeated disassembly, the mold can be moved by the transport vehicle, the construction efficiency is greatly improved, the engineering economy is good, the mold fixing assembly is arranged, the gravity type fixing frame is combined with the mold, the lossless fixing is realized, the stability of the mold assembly is ensured by the arrangement of the connecting piece.

[0031] 2) The whole structure is reasonably arranged, the design is simple, unnecessary material waste is reduced, the assembly components are standardized, the construction quality can be further ensured, no cable is arranged, the side secondary lining of the tunnel is not damaged, the whole device can be moved, the mold does not need to be repeatedly disassembled, and more inefficient construction equipment is not needed on site.

[0032] 3) The top mold can be movably installed above the second formwork and the third formwork through the arrangement of the stop block, the problem that the top mold cannot be continuously moved during concrete pouring is solved, and the movable top mold facilitates pouring.

[0033] 4) The height of the connecting frame relative to the mold fixing frame is adjustable, the height of the mold is adjustable, and the mold has good adaptability to complex construction environments.

[0034] 5) The template fixing frame of the present application comprises an embedding frame which can be embedded into the first template, the embedding frame can be embedded into the hollow part of the first template, and the template fixing frame is connected with the first template, the second template and the third template through the connecting piece, BRIEF DESCRIPTION OF DRAWINGS

[0035] The accompanying drawings, which form a part of the specification, are included to provide a further understanding of the application and are incorporated herein in conjunction with the description of the application. The drawings are not to be construed as unduly limiting on the application.

[0036] Figure 1 is a top view of an assembled construction device for a tunnel cable trench according to one or more embodiments of the present application.

[0037] Figure 2 is a front view of an assembled construction device for a tunnel cable trench according to one or more embodiments of the present application.

[0038] Figure 3 is a three-dimensional view of an assembled construction device for a tunnel cable trench according to one or more embodiments of the present application.

[0039] Figure 4 is a schematic view of a mold in an assembled construction device for a tunnel cable trench according to one or more embodiments of the present application.

[0040] Figure 5 is a schematic view of a top mold in an assembled construction device for a tunnel cable trench according to one or more embodiments of the present application.

[0041] Figure 6 is a schematic view of an outer mold plate in an assembled construction device for a tunnel cable trench according to one or more embodiments of the present application.

[0042] Figure 7 is a schematic view of a mold fixing assembly in an assembled construction device for a tunnel cable trench according to one or more embodiments of the present application.

[0043] Figure 8 is a schematic view of a template fixing frame in an assembled construction device for a tunnel cable trench according to one or more embodiments of the present application.

[0044] Figure 9 is a schematic view of a bottom box frame in an assembled construction device for a tunnel cable trench according to one or more embodiments of the present application.

[0045] In the drawings: the mutual spacing or size is exaggerated for showing the position of each part, and the schematic view is only for illustration.

[0046] Wherein: 1, mold, 11, first mold plate, 111, auxiliary block, 112, embedding groove, 12, second mold plate, 13, top mold, 14, third mold plate, 131, movable baffle, 2, mold fixing assembly, 21, mold plate fixing frame, 211, end side fixing frame, 212, embedding frame, 213, middle fixing frame, 22, bottom box frame, 221, gravity box, 222, connecting frame, 3, transport vehicle, 31, vehicle frame, 32, vehicle wheel, 4, support plate, 5, fixing plate, 6, connecting plate, 7, bolt, 8 nut. DETAILED DESCRIPTION

[0047] It should be noted that the following detailed description is illustrative only, and is intended to provide further description of the application. Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.

[0048] It is to be noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments in accordance with the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It will be further understood that the terms "comprises" and / or "comprising," when used in this specification, specify the presence of stated features, steps, operations, elements, and / or components, but do not preclude the presence or addition of one or more other features, steps, operations, elements, components, and / or groups thereof.

[0049] For the convenience of description, if "upper", "lower", "left", "right" appear in the present application, only indicate the same direction as the upper, lower, left, right direction of the drawing itself, and do not limit the structure, only for the convenience of describing the present application and simplifying the description, and it is not intended to indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, therefore it cannot be understood as a limitation on the present application.

[0050] Part of the term explanation: the terms "mounting", "connected", "connected", "fixed" and other terms in the present application should be understood broadly, for example, it can be fixed connection, or detachable connection, or one body; it can be mechanical connection, or electrical connection, it can be direct connection, or indirect connection through intermediate medium, it can be internal connection of two elements, or interaction relationship between two elements, for ordinary skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific situation.

[0051] As introduced in the background, there is a problem of repeated disassembly of the mold plate in the prior art. In order to solve the above technical problem, the present application proposes a fabricated construction device for tunnel cable trench.

[0052] Example one

[0053] In one typical embodiment of the present application, referring to Figure 1 、 Figure 2 、 Figure 3 and Figure 4 , a fabricated construction device for a tunnel cable slot comprises:

[0054] a mold 1, the mold 1 comprises a top mold 13, a first mold plate 11, a second mold plate 12 and a third mold plate 14, the top mold 13 is movably arranged above the second mold plate 12 and the third mold plate 14, the first mold plate and the second mold plate are opposite to each other, and a distance is set between the two to form a concrete pouring area on one side of the cable slot, the second mold plate and the third mold plate have a set distance therebetween, and the third mold plate and the side wall of the tunnel two lining form a concrete pouring area on the other side of the cable slot;

[0055] a mold fixing assembly 2, the mold fixing assembly 2 comprises a mold plate fixing frame 21, the mold plate fixing frame is connected with the first mold plate, the second mold plate and the third mold plate of the mold through a connecting piece, and the mold plate fixing frame comprises an embedding frame 212 which can be embedded into the first mold plate, and the mold plate fixing frame is a gravity type fixing frame;

[0056] a movable transport vehicle 3, the transport vehicle 3 supports the mold plate fixing frame 21, and the transport vehicle realizes the transportation of the mold, and the transport vehicle is separated from the mold plate fixing frame after the transportation.

[0057] It can be understood that the mold is provided with at least one group, and when the mold is provided with multiple groups, the adjacent two groups of molds are connected.

[0058] As shown in Figure 5 , the top mold 13 is U-shaped, the top mold is bent upward near the second mold plate and the third mold plate, the lower surface of the top mold is provided with a stop block 131, and the stop block 131 is located between the second mold plate and the third mold plate to limit the distance between the second mold plate and the third mold plate; in this embodiment, the stop block 131 is provided with two rows and two columns, a total of four stop blocks, two stop blocks are arranged near the second mold plate, and the other two stop blocks are arranged near the third mold plate, so that the arrangement of the stop blocks enables the top mold to move along the top of the second mold plate and the third mold plate; the stop block can also be replaced by two rows, one stop block is arranged near the second mold plate, and the other stop block is arranged near the third mold plate.

[0059] It can be easily understood that the first mold plate, the second mold plate and the third mold plate have the same length, the same width and the same height;

[0060] The first mold plate, the second mold plate and the third mold plate are all hollow, the first mold plate is provided with an embedding groove in the length direction to enable the embedding frame to be embedded into the embedding groove 112, and the setting of the connecting piece ensures the reliable connection between the mold fixing assembly and the mold; referring to Figure 6As shown, two grooves 112 are arranged on the upper and lower sides of the first template, and a plurality of auxiliary blocks 111 are arranged on the side of the upper and lower sides of the first template and the side of the adjacent groove.

[0061] It should also be noted that the top die is made of wood material, and the first template, the second template and the third template in the mold are made of steel material.

[0062] The second template and the third template are connected by a support plate 4, which defines the width of the cable groove (plus the thickness of the second template and the third template). The support plate 4 is a vertical support plate. Two or three vertical support plates 4 can be arranged between the second template and the third template, and the adjacent two vertical support plates 4 are arranged at a certain distance. The arrangement of the support plate ensures the connection of the second template and the third template, and the arrangement of the connecting piece ensures the integrity of the mold.

[0063] Regarding the template fixing frame, refer to Figure 7 and Figure 8 As shown, the template fixing frame also includes an end side fixing frame 211 and a middle fixing frame 213. The end side fixing frame is fixed to the end side of the embedded frame, and the middle fixing frame is fixed to the middle section of the embedded frame 212.

[0064] In this embodiment, the end side fixing frame is L-shaped. One side of the end side fixing frame 211 is connected to one end of the embedded frame 212, and the other end is used to connect to the connecting plate. The embedded frame is provided with two places, and the embedded frame is a frame body. The embedded frame 212 is hollow and long. The embedded frame is welded and connected with the end side fixing frame and the middle fixing frame to form an integral structure. The two embedded frames are arranged at a certain distance. The distance between the end of the embedded frame away from the end side fixing frame and the end side fixing frame ensures that the embedded frame can be clamped into the groove of the first template 11. The middle fixing frame 213 is located in the middle section of the embedded frame. The middle fixing frame has a certain width, and the middle fixing frame connects the upper and lower embedded frames 212.

[0065] The mold fixing assembly 2 also includes a bottom box frame 22, as shown in Figure 9 The bottom box frame 22 includes a connecting frame 222 connected to the template fixing frame 21, and the connecting frame is connected to the gravity box 221. The low ends of the first template, the second template and the third template in the mold are flush. The gravity box is provided with a weight, and the gravity box is lower than the first template, the second template and the third template. Therefore, when the transport vehicle drives the mold to move, the mold remains stable. The gravity box 221 includes a box body with a certain length, width and height, and the gravity box 221 is located at the bottom end of the connecting frame. The gravity box is added with weights such as sandstone after being removed from the transport vehicle 3 to increase the weight of the template fixing frame 21.

[0066] In addition, the height of the template fixing frame 21 relative to the connecting frame 222 is adjustable, so that the entire mold is suitable for different construction environments. Specifically, the end-side fixing frame 211 and the middle fixing frame 213 each include a plurality of vertical frames, the vertical frames are provided with vertical sliding grooves, the connecting frame includes an end-side connecting frame and a middle connecting frame, the end-side connecting frame is matched with the end-side fixing frame, the middle connecting frame is matched with the middle fixing frame, the end-side fixing frame and the middle fixing frame each include a plurality of connecting rods, the connecting rods are clamped into the sliding grooves of the vertical frames for assembly and connection, thereby realizing the height adjustment of the end-side fixing frame and the middle fixing frame, the end-side fixing frame and the middle fixing frame are provided with locking bolts, the locking bolts are in abutment with the end-side connecting frame or the middle connecting frame after penetrating through the end-side fixing frame or the middle fixing frame, and the position stability of the template fixing frame after the height adjustment relative to the connecting frame is ensured.

[0067] The bottom end of the connecting frame 222 is provided with a thread, a nut is arranged at the thread, the nut has a set thickness, the connecting frame is inserted into the top of the gravity box 221 through the thread, the height is adjusted after the nut 8 is installed to change the position of the template fixing frame, so that the embedding frame 212 can be smoothly assembled into the embedding groove of the first template 11, and the height adjustment range of the embedding frame 212 is reserved through the position change of the nut 8.

[0068] The transport vehicle 3 includes a vehicle frame 31 supporting the gravity box 221, the vehicle frame can be a U-shaped vehicle frame to facilitate supporting the gravity box, and the vehicle frame is provided with a plurality of wheels 32, the movement of the wheels 32 drives the movement of the transport vehicle.

[0069] In the embodiment, the connecting piece includes a fixing plate 5 and a connecting plate 6, the fixing plate 5 is provided with a U-shaped groove, one side of the U-shaped groove of the fixing plate is clamped with the mold, the connecting plate 6 has a set length and width, the length is much larger than the width, the fixing plate 5 is located at the top of the first template 11, the second template 12 and the third template 14, and the connecting plate 6 is located at the end side of the first template 11, the second template 12 and the third template 14, the connecting plate 6 can be provided with one or two or three at the corresponding end side of the template, the connecting plates on the same side are arranged at a set distance, and the fixing plate and the connecting plate are connected with the end-side fixing frame, and the middle fixing frame is not provided with the fixing plate and the connecting plate.

[0070] In addition, the fixing plate 5 and the connecting plate 6 are connected with the first template, the second template and the third template through fasteners, the fastener is specifically a bolt 7, the bolt 7 is connected with the first template, the second template and the third template by penetrating through the fixing plate and is fixed by a nut, and the bolt is connected with the end-side fixing frame, the second template and the third template by penetrating through the connecting plate and is fixed by a nut. For this purpose, the first template, the second template and the third template are each provided with a bolt hole at the top side, and the second template and the third template are each provided with a bolt hole at the end side to enable the bolt to penetrate through.

[0071] When the mold has multiple groups, no connecting plate is arranged between the adjacent two molds at the end side, and the adjacent two molds are connected by bolts.

[0072] Embodiment two

[0073] The embodiment provides a construction method of an assembled construction device for a tunnel cable slot.

[0074] Step 1: the mold 1 is transported to the construction site by the transport vehicle 3, and after the mold 1 is unloaded, the first template 11, the second template 12 and the third template 14 are close to the bound reinforcement cage, then the second template and the third template are bolted with the supporting plate;

[0075] Step 2: the top die 13 is clamped between the second template and the third template, then the first template is fixed on the side of the U-shaped groove of the fixed plate and connected to the second template and the third template;

[0076] Step 3: the template fixing frame 21 is assembled to the gravity box 221 through the connecting frame 222, the transport vehicle 3 is unloaded by the jack, then the embedded frame 212 is assembled into the embedded groove of the outer template 11 by adjusting the nut 8, and the sandstone weight of the gravity box 221 is added;

[0077] Step 4: the connecting plate 6 is connected to the mold 1 and the mold fixing assembly 2 through the standard bolt 7;

[0078] Step 5: when the multiple molds 1 are connected, the connecting plate 6 is removed, the front and rear molds 1 are fixed by bolts, and finally the end side fixing frames of the adjacent two sections are bolted and fixed.

[0079] After the above steps are completed, the reasonable splicing of the assembled construction mold of the tunnel cable slot can be realized, and the mold is fixed quickly and then construction operation is performed.

[0080] The above only describes the preferred embodiments of the present application and is not used to limit the present application. For those skilled in the art, the present application can have various modifications and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A fabricated construction device for a tunneling cable trough, characterized in that, The utility model relates to a mould for cable trench of tunnel two lining, which comprises a mould, a mould fixing assembly and a transportable transport vehicle. The mould comprises a top mould, first, second and third mutually parallel mould plates, the top mould being movably arranged above the second and third mould plates, the first and second mould plates being opposite to each other and forming a concrete pouring area on one side of the cable trench between them, the second and third mould plates having a set distance between them, and the third mould plate and the tunnel two lining sidewall forming a concrete pouring area on the other side of the cable trench. The top mould is U-shaped, and a stopper is arranged on the lower surface of the top mould, the stopper being located between the second and third mould plates to limit the distance between the second and third mould plates. The mould fixing assembly comprises a mould plate fixing frame, which is connected to the first, second and third mould plates of the mould through a connecting piece.

2. An assembly for tunneling a cable trough according to claim 1, characterized in that The mould plate fixing frame is a gravity type fixing frame.

3. An assembly for tunneling a cable trough according to claim 1, wherein, The transport vehicle supports the mould plate fixing frame and can be separated from the mould plate fixing frame. The mould is provided with multiple groups of moulds, and adjacent two groups of moulds are connected.

4. An assembly for tunneling a cable trough according to claim 1, wherein, The first, second and third mould plates have the same length and the same width.

5. An assembly for tunneling a cable trough according to claim 1, wherein, The first, second and third mould plates are hollowed out.

6. An assembly for tunneling a cable trough according to claim 1, wherein, A support plate is connected between the second and third mould plates. The mould plate fixing frame further comprises end side fixing frames and a middle fixing frame, the end side fixing frames being fixed to the end sides of the embedding frames, and the middle fixing frame being fixed to the middle section of the embedding frame.

7. An assembly for tunneling a cable trough according to claim 6, characterized in that The mould fixing assembly further comprises a bottom box frame, which comprises a connecting frame connected to the mould plate fixing frame, the connecting frame being connected to a gravity box located at the bottom end of the connecting frame.

8. An assembly for tunneling a cable trough according to claim 1, wherein, The height of the mould plate fixing frame relative to the connecting frame is adjustable.

9. A method of installing a tunneling apparatus for a tunneling cable duct according to any one of claims 1-8, characterized in that, The transport vehicle comprises a vehicle frame supporting the gravity box and provided with a plurality of wheels. The connecting piece comprises a fixing plate and a connecting plate, the fixing plate being located on the top of the first, second and third mould plates, and the connecting plate being located on the end sides of the first, second and third mould plates, the fixing plate and the connecting plate being connected to the first, second and third mould plates through fasteners. The utility model relates to a method for pouring concrete on both sides of a cable trench of a tunnel two lining. The method comprises the following steps: The assembled construction device is transported to the construction site by the transport vehicle; The first, second and third mould plates are arranged close to the already bound steel reinforcement cage, and the connecting piece connects the mould plate fixing frame to the first, second and third mould plates; The transport vehicle is unloaded; The steel reinforcement cage between the first and second mould plates is poured with concrete to form a concrete pouring area on one side of the cable trench, and the steel reinforcement cage between the third mould plate and the tunnel two lining sidewall is poured with concrete to form a concrete pouring area on the other side of the cable trench. The utility model relates to a mould for cable trench of tunnel two lining, which comprises a mould, a mould fixing assembly and a transportable transport vehicle. The utility model relates to a method for pouring concrete on both sides of a cable trench of a tunnel two lining.

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