Electric power tunnel embedded part positioning device

Abstract

The utility model belongs to the technical field of tunnel embedded part installation, and particularly relates to an electric power tunnel embedded part positioning device which comprises a sleeve connecting structure and a formwork, the sleeve connecting structure is arranged in a tunnel lining in an embedded mode and comprises an embedded sleeve and a connecting screw, a plurality of through holes are evenly distributed in the formwork, and the embedded sleeve is connected with the connecting screw. One end of the pre-embedded sleeve is tightly attached to the inner wall face of the formwork, the pre-embedded sleeve is right opposite to the through hole, and the connecting screw penetrates through the through hole of the formwork and is in threaded connection with the pre-embedded sleeve. According to the positioning mode, in the concrete pouring process, the side pressure of concrete and the vibrating force of the vibrating rod cannot cause the phenomena that the embedded part is not tightly attached to the built formwork in the tunnel and the formwork deviates, the surface quality of the embedded part can be guaranteed, and the situation that the embedded part is buried in the concrete in the pouring process, and the installation quality is affected is avoided.

Description

TECHNICAL FIELD

[0001] The utility model belongs to tunnel pre -buried spare installation technical field, especially a kind of electric power tunnel pre -buried spare positioning device. BACKGROUND

[0002] Electric power tunnel construction involves the installation of cable, pipeline, evacuation platform, overhead contact system and other equipment, the traditional installation process is concrete pre -buried technology, that is, pre -buried piece of electric power support is pre -buried when pouring tunnel lining.The pre -buried piece is the main carrier of electric power support, for connecting with electric power support in later period, and the pre -buried piece is generally steel plate, steel sleeve and other structures, located on the inner wall of electric power tunnel, and installed at certain intervals.

[0003] Currently, the pre -buried piece (steel plate, steel sleeve, etc.) of electric power support has no professional installation and fixing tool, and only the pre -buried piece is welded with reinforcing steel bars, and then the reinforcing steel bars are welded and fixed on the inner wall reinforcing steel bars.During the concrete pouring process, due to the lateral pressure of concrete and the vibration force of vibrating rod, the pre -buried piece and the tunnel lining form plate will not be tightly combined, and the pre -buried piece will be buried in the concrete, which will affect the installation quality and the connection performance of the pre -buried piece in later period, and additional manual cleaning and removal of concrete on the surface of the pre -buried piece are required, which is time -consuming and labor -intensive. UTILITY MODEL CONTENTS

[0004] In view of the technical problems in the background art, the utility model provides an electric power tunnel pre -buried piece positioning device.

[0005] To achieve the above purpose, the utility model provides the technical scheme as follows:

[0006] An electric power tunnel pre -buried piece positioning device, comprising a sleeve connecting structure and a formwork, the sleeve connecting structure is pre -buried in the tunnel lining, the sleeve connecting structure comprises a pre -buried sleeve and a connecting screw, the formwork is uniformly provided with a plurality of through holes, one end of the pre -buried sleeve is arranged close to the inner wall surface of the formwork, and the pre -buried sleeve is arranged opposite to the through hole, and the connecting screw passes through the through hole of the formwork and is threadedly connected with the pre -buried sleeve.

[0007] Optionally, the tail end of the pre -buried sleeve is provided with a limiting ring.

[0008] Optionally, an elastic compression ring is sleeved on the connecting screw, and the elastic compression ring is arranged close to the outer wall surface of the formwork.

[0009] Optionally, the formwork comprises a first formwork, the first formwork is uniformly provided with a plurality of through holes one, the first formwork is arranged in a ring shape, and a plurality of arc-shaped first formworks are spliced into a ring structure, the sleeve connecting structure is uniformly distributed along the circumference of the first formwork, and a plurality of first formworks are spliced to form a tunnel lining formwork.

[0010] Optionally, the first template is provided with a limiting protrusion at each end, the first templates at the two ends are clamped by the limiting protrusions, the through hole is arranged close to the limiting protrusion, and the elastic compression ring is arranged close to the limiting protrusions of the two first templates.

[0011] Optionally, the template comprises a second template, a plurality of through holes two are uniformly distributed on the second template, the second template is arranged in a ring shape, a plurality of arc-shaped second templates are spliced to form a ring structure, and the sleeve connecting structure is uniformly distributed along the circumference of the second template.

[0012] Optionally, a sliding groove is arranged in the second template, and the connecting screw passes through the sliding groove and the through hole two of the second template and is in threaded connection with the embedded sleeve.

[0013] Optionally, a plurality of groups of mounting holes provided with through sliding grooves are arranged on the second template, a support is detachably arranged in the sliding groove, one end of the support is provided with a connecting assembly, the connecting assembly is connected in the mounting hole, and the end portion of the support is arranged close to the inner wall surface of the sliding groove.

[0014] The utility model has the advantages and beneficial effects that:

[0015] The utility model discloses a kind of electric power tunnel embedded part positioning device, including sleeve connecting structure and template, sleeve connecting structure is embedded in tunnel lining, by the detachable connection of sleeve connecting structure and template, when installing template, sleeve connecting structure is positioned, fixed synchronously, to ensure that tunnel lining pouring, sleeve connecting structure is embedded well simultaneously.This kind of positioning mode, in the process of concrete pouring, the side pressure of concrete and the vibration force of vibrating rod, also will not cause embedded part (sleeve connecting structure) and tunnel lining template not to adhere strictly, appear to run mode phenomenon, can guarantee the surface quality of embedded part, avoid being buried in concrete when pouring, affect installation quality, affect the connection performance of embedded part later period, later period does not need extra manual cleaning, remove the concrete on the surface of embedded part. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is the first connecting structure diagram of electric power tunnel embedded part positioning device provided by the utility model;

[0017] Figure 2 It is the first connecting structure diagram of electric power tunnel embedded part positioning device provided by the utility model; Figure 1 It is the local enlarged view of a in the figure;

[0018] Figure 3 It is the first structure diagram of sleeve connecting structure and first template connection provided by the utility model; Figure 2 It is the first structure diagram of sleeve connecting structure and first template connection provided by the utility model;

[0019] Figure 4 It is the first structure diagram of sleeve connecting structure and first template connection provided by the utility model; Figure 2The second structure diagram of the sleeve connecting structure connected with the first formwork;

[0020] Figure 5 For Figure 4 The schematic diagram of the sleeve connecting structure connected with the first formwork fastening;

[0021] Figure 6 For Figure 1 The sectional view after the first formwork is removed;

[0022] Figure 7 For Figure 6 The local enlarged view at b;

[0023] Figure 8 The second connection structure diagram of the power tunnel embedded part positioning device provided by the utility model;

[0024] Figure 9 For Figure 8 The local enlarged view at c;

[0025] Figure 10 The structure diagram of the second formwork provided by the utility model;

[0026] Figure: 1-tunnel lining, 2-first formwork, 21-pass hole one, 22-limiting protrusion, 3-sleeve connecting structure, 31-embedded sleeve, 311-threaded hole, 312-limiting ring, 32-connecting screw, 33-elastic compression ring, 4-second formwork, 41-slotted guide, 42-pass hole two, 43-mounting hole, 5-bracket, 51-connecting assembly, 6-cross bar. DETAILED DESCRIPTION

[0027] In order to make the purpose, technical scheme and advantages of the embodiments of the utility model clearer, the technical scheme in the embodiments of the utility model will be described clearly and completely below in combination with the drawings in the embodiments of the utility model. Obviously, the described embodiments are part of the embodiments of the utility model, rather than all the embodiments.

[0028] Therefore, the following detailed description of the embodiments of the utility model provided in the drawings is not intended to limit the scope of the claimed utility model, but only represents selected embodiments of the utility model. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0029] EMBODIMENT

[0030] As Figures 1 to 10As shown in the figure, a power tunnel embedded part positioning device includes a sleeve connecting structure 3 and a formwork, the sleeve connecting structure 3 is embedded in the tunnel lining 1. The sleeve connecting structure 3 includes an embedded sleeve 31 and a connecting screw 32, the formwork is uniformly provided with a plurality of through holes, one end of the embedded sleeve 31 is arranged close to the inner wall surface of the formwork, the embedded sleeve 31 is arranged on the side where the tunnel lining 1 is located, and the embedded sleeve 31 is arranged opposite to the through hole, and the connecting screw 32 passes through the through hole of the formwork and is threadedly connected with the embedded sleeve 31.

[0031] The utility model discloses when installing formwork, synchronous positioning, fixed sleeve connecting structure 3, thereby guaranteeing that the tunnel lining 1 pours at the same time, and the sleeve connecting structure 3 is embedded well. This positioning mode, in the concrete pouring process, the lateral pressure of concrete and the vibration force of vibrating rod, also will not cause that embedded part (sleeve connecting structure 3) and tunnel lining formwork are not closely combined, appears the phenomenon of running mold, can guarantee the surface quality of embedded part, avoids being buried in concrete when pouring, affects installation quality, influences the connecting performance of embedded part later period, and later period does not need additional manual cleaning, removes the concrete on the surface of embedded part.

[0032] Further, the tail end of the embedded sleeve 31 is provided with a limiting ring 312 for enhancing the pull-out performance of the embedded sleeve 31 and stably fitting in the tunnel lining 1.

[0033] As shown in the figure, Figure 2 Further, the connecting screw 32 is provided with an elastic compression ring 33, the elastic compression ring 33 is arranged close to the outer wall surface of the formwork, the compression of the elastic compression ring 33 enhances the connection fastening and sealing, and prevents concrete from seeping out of the formwork during concrete pouring.

[0034] As shown in the figure, Figures 1 to 7 As a preferred mode of the utility model, the formwork includes a first formwork 2, the first formwork 2 is uniformly provided with a plurality of through holes 21, the first formwork 2 is arranged in a ring shape, a plurality of arc-shaped first formworks 2 are spliced into a ring structure, the sleeve connecting structure 3 is uniformly distributed along the circumference of the first formwork 2, and the plurality of first formworks 2 are spliced to form the formwork of the tunnel lining 1. That is, the first formwork 2 serves as a mold for the tunnel lining 1 and also as a connecting carrier for the sleeve connecting structure 3. This mode can accurately install and position the sleeve connecting structure 3 through the installed first formwork 2. After the concrete pouring is completed to form the tunnel lining 1, the first formwork 2 can be directly disassembled, and the sleeve connecting structure 3 can be accurately embedded in the tunnel lining 1.

[0035] As shown in the figure, Figure 4 , Figure 5As shown, further, the two ends of each first template 2 are provided with limiting protrusions 22, the first templates 2 at the two ends are clamped to each other through the limiting protrusions 22, the through holes one 21 are arranged close to the limiting protrusions 22, and the elastic compression rings 33 are arranged close to the limiting protrusions 22 of the two first templates 2. The two adjacent first templates 2 are spliced to each other, and the sleeve connecting structure 3 is used to fix the two spliced first templates 2. The inside of the embedded sleeve 31 is provided with a threaded hole 311, and the connecting screw 32 is arranged in the threaded hole 311, as shown in Figure 5 As shown, at this time, the embedded sleeve 31, the connecting screw 32 and the first template 2 are fastened and connected, the elastic compression ring 33 compresses the two first templates 2 connected to each other, and the reliable compression between the limiting protrusions 22 is ensured. This structure can not only stably install the sleeve connecting structure 3 on the surface of the first template 2, but also connect the two first templates 2 together, and has multiple functions.

[0036] As shown in Figures 8 to 10 As another preferred mode of the utility model, the template comprises a second template 4, the second template 4 is uniformly provided with a plurality of through holes two 42, the second template 4 is arranged in a ring shape, a plurality of arc-shaped second templates 4 are spliced to form a ring structure, the sleeve connecting structure 3 is uniformly distributed along the circumference of the second template 4, the second template 4 is spliced between the two adjacent tunnel lining 1 templates, and the plurality of second templates 4 and the tunnel lining 1 template are spliced to form the final tunnel lining 1 template. That is, the second template 4 is used in combination with the tunnel lining 1 template. The advantage of this design is that after the tunnel lining 1 is poured and completed, the tunnel lining 1 template can be directly removed, but the second template 4 does not need to be disassembled, the second template 4 is directly connected with the embedded sleeve connecting structure 3, and the second template 4 is used as an installation carrier of a subsequent support 5 component. This design realizes synchronous positioning and installation of the embedded part (sleeve connecting structure 3) and the second template 4, and the second template 4 does not need to be disassembled in the later period, further saving the process and construction period.

[0037] Further, the second template 4 is provided with a sliding groove 41, the connecting screw 32 passes through the sliding groove 41 and the through hole two 42 of the second template 4 and is screw-connected with the embedded sleeve 31, so as to facilitate installation of the second template 4 and the sleeve connecting structure 3.

[0038] Further, the annular second template 4 is provided with horizontal rods 6 on the upper and lower sides for reinforcing connection, the second template 4 is provided with a plurality of groups of mounting holes 43 arranged in penetrating sliding grooves 41, a plurality of supports 5 are detachably arranged in the sliding grooves 41, one end of the support 5 is provided with a connecting assembly 51, such as a connecting shaft, a bolt or the like, the connecting assembly 51 is connected in the mounting hole 43, and the end of the support 5 is arranged close to the inner wall surface of the sliding groove 41. In this way, the second template 4 does not need to be removed after the tunnel lining 1 is poured, and the support 5 can be directly connected and stably arranged in the sliding groove 41, and the power assembly (cable, pipeline, platform, etc.) can be arranged on the support 5 in the later period.

[0039] The preferred embodiments of the utility model are merely used for limiting the utility model, and the utility model can be changed and varied for the person skilled in the art. Any modification, equivalent replacement, improvement or the like within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. An electrical power tunneling embedment positioning device, characterized by : The sleeve connecting structure is embedded in the tunnel lining, The sleeve connecting structure comprises a pre-embedded sleeve and a connecting screw, the template is provided with a plurality of through holes, one end of the pre-embedded sleeve is arranged close to the inner wall surface of the template, and the pre-embedded sleeve is arranged opposite to the through hole, and the connecting screw passes through the through hole of the template and is threadedly connected with the pre-embedded sleeve. The tail end of the pre-embedded sleeve is provided with a limiting ring.

2. The power tunnel embedment positioning device of claim 1, wherein: The connecting screw is provided with an elastic compression ring, and the elastic compression ring is arranged close to the outer wall surface of the template.

3. The power tunnel embedment positioning device of claim 2, wherein: The template comprises a first template, the first template is provided with a plurality of through holes, the first template is arranged in a ring shape, a plurality of arc-shaped first templates are spliced into a ring structure, the sleeve connecting structure is evenly distributed along the circumference of the first template, and a plurality of first templates are spliced to form a tunnel lining template.

4. The power tunnel embedment positioning device of claim 3, wherein: Each of the first templates is provided with a limiting protrusion at both ends, the first templates at the two ends are clamped through the limiting protrusions, the through holes are arranged close to the limiting protrusions, and the elastic compression rings are arranged close to the limiting protrusions of the two first templates.

5. The power tunnel embedment positioning device of claim 2, wherein: The template comprises a second template, the second template is provided with a plurality of through holes, the second template is arranged in a ring shape, a plurality of arc-shaped second templates are spliced into a ring structure, the sleeve connecting structure is evenly distributed along the circumference of the second template, and the second template is spliced between the two adjacent tunnel lining templates.

6. The power tunnel embedment positioning device of claim 5, wherein: The second template is provided with a sliding groove, and the connecting screw passes through the sliding groove and the through hole of the second template and is threadedly connected with the pre-embedded sleeve.

7. The power tunnel embedment positioning device of claim 6, wherein: The second template is provided with a plurality of groups of mounting holes arranged in the through sliding grooves, a support is detachably arranged in the sliding groove, one end of the support is provided with a connecting assembly, the connecting assembly is connected in the mounting hole, and the end of the support is arranged close to the inner wall surface of the sliding groove.

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