Simple inspection well on-site precast concrete cover plate formwork structure

Abstract

The utility model relates to the technical field of concrete cover plate formwork supporting construction, and particularly discloses a simple inspection well site precast concrete cover plate formwork supporting structure which comprises a cover plate peripheral formwork, a well ring formwork arranged in the cover plate peripheral formwork and a bedding laid at the bottom of the cover plate peripheral formwork and the bottom of the well ring formwork. The cover plate peripheral template comprises an inner ring forming template and an outer ring fixing template, the inner ring forming template comprises a plurality of curbs which are sequentially spliced end to end, the outer ring fixing template comprises four frames, one end of each frame is provided with a connecting convex block, one end of each frame is provided with a connecting hole, and the connecting convex blocks penetrate through the connecting holes and are in sliding connection with the connecting holes; a plurality of rectangular holes are evenly formed in the connecting protruding block at intervals, wedge-shaped fixing blocks are arranged in the rectangular holes, the inner sides of the four frames of the outer ring fixing template abut against the outer side of the inner ring forming template, the walling crib template comprises a tire outer tire and an inner tire arranged in the tire outer tire, and a plastic film is arranged on the tire outer tire.

Description

Technical Field

[0001] The utility model relates to the technical field of concrete cover plate formwork construction, in particular to a simple inspection well on-site prefabricated concrete cover plate formwork structure. Background Art

[0002] Inspection wells are an indispensable part of urban municipal construction. With the continuous expansion of urbanization, inspection well covers can be seen everywhere on the roads of modern cities. Inspection well covers are widely used as important components for connecting and converting between inspection well chambers and covers. At present, in road municipal construction, most inspection well covers are circular covers. Circular covers are widely used because they are not easy to tilt and have good reliability and safety. As the cover plate of the installation base of the inspection well cover, a circular wellhead needs to be set in the cover plate for the installation of the well cover and as a passage for workers to go down the well. There are various construction methods for the formwork of the inspection well cover, which will affect It affects the forming effect of the manhole cover, which has a certain impact on the installation of road manhole covers, and will affect the construction progress of the manhole concrete cover and the control of construction costs. Concrete covers are mostly supported by wooden formwork, and the manhole formwork is assembled through wooden formwork, and wooden squares are used as support for the wellhead formwork. However, the use of wooden formworks and wooden squares to support the wellhead makes the construction difficult. If you want to have a better forming effect, the technical requirements for the construction personnel are high, and when removing the formwork, it cannot be dismantled as a whole, and the material is easily wasted. The formwork needs to be reprocessed during subsequent support, the project volume is large, the material loss is high, the construction period is long, and the construction period is relatively time-consuming. Utility Model Content

[0003] The utility model aims to provide a simple on-site prefabricated concrete cover plate formwork structure for an inspection well, and aims to solve the technical problems mentioned in the above-mentioned background technology.

[0004] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0005] A simple on-site prefabricated concrete cover formwork structure for an inspection well, comprising a cover outer peripheral formwork, a well ring formwork arranged inside the cover outer peripheral formwork, and a mat laid on the bottom of the cover outer peripheral formwork and the well ring formwork, the cover outer peripheral formwork comprises an inner ring forming formwork and an outer ring fixed formwork, both of which are rectangular frame structures, the inner ring forming formwork comprises a plurality of curbstones spliced ​​end to end in sequence, the back of the curbstones are arranged facing inward, the outer ring fixed formwork comprises four frames, the frames are strip plate structures, one end of the frame is provided with a connecting protrusion, and the end of the frame away from the connecting protrusion is provided with a There is a connecting hole, the opening direction of the connecting hole is perpendicular to the plate surface of the frame, the specifications of the connecting hole are matched with the specifications of the connecting protrusion, the connecting protrusion passes through the connecting hole and is slidably connected to the connecting hole, a plurality of rectangular holes are evenly spaced on the connecting protrusion, the opening direction of the rectangular hole is perpendicular to the length direction of the connecting protrusion, a wedge-shaped fixing block is arranged in the rectangular hole, and the wedge-shaped fixing block is partially embedded in the rectangular hole, the inner sides of the four frames of the outer ring fixing template are all abutted against the outer side of the inner ring forming template, the well ring template includes a tire outer tire and an inner tire arranged inside the tire outer tire, and a plastic film is arranged on the tire outer tire.

[0006] Furthermore, the length of the connecting protrusion is at least three times the thickness of the frame.

[0007] Furthermore, the distance between each edge of the mat and the adjacent cover plate peripheral template is greater than 1000 mm.

[0008] Furthermore, the inner side of the inner ring forming template is coated with a release agent.

[0009] Furthermore, the mat is a colored striped cloth.

[0010] Compared with the prior art, the utility model has the following characteristics and beneficial effects:

[0011] The utility model discloses a kind of cover plate outer peripheral formwork, the well ring formwork arranged in the cover plate outer peripheral formwork, and the mat laid on the cover plate outer peripheral formwork and the well ring formwork bottom, mainly for the inspection well cover plate and other similar cover plate opening formwork, reduces the technical requirements for workers to support formwork construction, reduces the difficulty of material processing and production, uses simple materials and tools, the wellhead formwork adopts corresponding size of discarded tires and inflated inner tubes, and the cover plate is surrounded by on-site curbstones to form a concrete pouring partition formwork, the materials and tools are convenient to find, the cost is low, and the turnover can be used, the cost is saved, and the installation and disassembly are efficient, and at the same time, the inflated inner tube is used as the tire support after being saturated with air, and the inflation is convenient, and when the formwork is removed, it can be simply removed by deflating the inner tube, which reduces the material processing and removal time and can improve the construction efficiency, and the laying of colored strips can effectively prevent the site from being polluted by concrete pouring, and is conducive to the later demoulding and transportation of the concrete cover plate, has the characteristics of safety and applicability, has good promotion and practical value, and will produce good economic benefits after wide promotion and application. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 This is a schematic diagram of the structure of the inner ring forming template and the well ring template of the utility model;

[0013] Figure 2 This is a schematic diagram of the outer ring fixed template structure of the utility model;

[0014] Figure 3 for Figure 2 Enlarged structural diagram at A in the middle.

[0015] Figure numerals: 1, pad; 2, inner ring forming template; 201, curbstone; 3, outer ring fixing template; 301, frame; 4, connecting protrusion; 5, rectangular hole; 6, wedge-shaped fixing block; 7, well ring template. DETAILED DESCRIPTION

[0016] In order to make the technical means, innovative features, objectives and effects achieved by the present invention easy to understand, the present invention is further described below.

[0017] The embodiments described herein are specific embodiments of the present invention, which are used to illustrate the concept of the present invention, are explanatory and exemplary, and should not be interpreted as limiting the embodiments of the present invention and the scope of the present invention. In addition to the embodiments described herein, those skilled in the art can also adopt other obvious technical solutions based on the claims and the contents disclosed in the specification of this application, including technical solutions that adopt any obvious replacement and modification of the embodiments described herein.

[0018] The utility model discloses a simple on-site prefabricated concrete cover plate formwork structure for a manhole, such as Figures 1 to 3As shown, it includes a cover plate outer peripheral template, a well ring template 7 arranged inside the cover plate outer peripheral template, and a mat 1 laid on the bottom of the cover plate outer peripheral template and the well ring template 7, the mat 1 is a colored strip cloth, and the distance between each edge of the mat 1 and the adjacent cover plate outer peripheral template is greater than 1000mm, the cover plate outer peripheral template includes an inner ring forming template 2 and an outer ring fixed template 3, the inner ring forming template 2 is a rectangular frame structure, the inner ring forming template 2 includes a plurality of curbstones 201 spliced ​​end to end, the back of the curbstone 201 is arranged facing inward, the inner side of the inner ring forming template 2 is coated with a release agent, the outer ring fixed template 3 is a rectangular frame structure, the outer ring fixed template 3 includes four frame frames 301, the frame 301 is a strip plate structure, one end of the frame 301 is provided with a connecting protrusion 4, the connecting protrusion 4 is arranged on the extension line of one end of the frame 301, the length of the connecting protrusion 4 is at least three times the thickness of the frame 301, and the frame 301 A connecting hole is provided at one end away from the connecting protrusion 4, the opening direction of the connecting hole is perpendicular to the plate surface of the frame 301, the specifications of the connecting hole are adapted to the specifications of the connecting protrusion 4, the connecting protrusion 4 passes through the connecting hole and is slidably connected to the connecting hole, a plurality of rectangular holes 5 are evenly spaced on the connecting protrusion 4, the opening direction of the rectangular hole 5 is perpendicular to the length direction of the connecting protrusion 4, a wedge-shaped fixing block 6 is provided on the connecting protrusion 4, the specifications of the middle cross-section of the wedge-shaped fixing block 6 are the same as the port specifications of the rectangular hole 5, the wedge-shaped fixing block 6 is embedded in the rectangular hole 5, so as to facilitate the adjustment of the size of the outer ring fixing template 3 according to the specifications of the inner ring forming template 2, the inner sides of the four frames 301 of the outer ring fixing template 3 are all abutted against the outer side of the inner ring forming template 2, the well ring template 7 includes a tire outer tube and an inner tube arranged inside the tire outer tube, the tire outer tube and the inner tube are both automotive accessories, the inner tube is saturated with gas, and the tire outer tube is wrapped with a plastic film.

[0019] The utility model provides a cover plate outer peripheral template, a manhole ring template arranged inside the cover plate outer peripheral template, and a mat laid on the cover plate outer peripheral template and the bottom of the manhole ring template, mainly for inspection well cover plates and other similar cover plate openings to support the formwork, which reduces the technical requirements for workers in formwork construction, reduces the difficulty of material processing and production, and uses simple materials and tools. The manhole formwork is made of discarded tires and inflated inner tubes of corresponding sizes, and the cover plate is surrounded by on-site curbstones to form a concrete pouring partition template. The materials and tools are easy to find and the cost is low. At the same time, they can be used in a turnover manner, saving costs and being efficiently installed and disassembled. At the same time, the inflated inner tube is saturated with air and used as a tire support. It is easy to inflate, and when removing the formwork, it only needs to deflate the inner tube to simply remove it, which reduces the material processing and removal time and can improve the construction efficiency. The laying of colored strips can effectively prevent the concrete pouring from polluting the site, and is also beneficial to the later demolding and transportation of the concrete cover plate.

[0020] The above shows and describes the basic principles and main features of the utility model and the advantages of the utility model. For those skilled in the art, it is obvious that the utility model is not limited to the details of the above exemplary embodiments, and can be implemented in other specific forms without departing from the spirit or basic features of the utility model. Therefore, no matter from which point of view, the embodiments should be regarded as exemplary and non-restrictive. The scope of the utility model is limited by the attached claims rather than the above description, and it is intended to include all changes within the meaning and scope of the equivalent elements of the claims. Any figure mark in the claims should not be regarded as limiting the claims involved.

[0021] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. A simple on-site prefabricated concrete cover plate formwork structure for an inspection well, characterized in that: The invention comprises a cover plate outer peripheral template, a well ring template (7) arranged inside the cover plate outer peripheral template, and a mat (1) laid on the bottom of the cover plate outer peripheral template and the well ring template (7), wherein the cover plate outer peripheral template comprises an inner ring forming template (2) and an outer ring fixed template (3), wherein the inner ring forming template (2) and the outer ring fixed template (3) are both rectangular frame structures, wherein the inner ring forming template (2) comprises a plurality of curbstones (201) spliced ​​end to end in sequence, wherein the back of the curbstones (201) is arranged facing inward, and the outer ring fixed template (3) comprises four frame frames (301), wherein the frame frames (301) are strip-shaped plate structures, wherein one end of the frame frames (301) is provided with a connecting protrusion (4), and the end of the frame frames (301) away from the connecting protrusion (4) is provided with a connecting protrusion (4). The connecting hole is provided with a hole, the opening direction of which is perpendicular to the plate surface of the frame (301), the specification of which is matched with the specification of the connecting protrusion (4), the connecting protrusion (4) passes through the connecting hole and is slidably connected with the connecting hole, a plurality of rectangular holes (5) are evenly spaced on the connecting protrusion (4), the opening direction of the rectangular holes (5) is perpendicular to the length direction of the connecting protrusion (4), a wedge-shaped fixing block (6) is provided on the connecting protrusion (4), and the wedge-shaped fixing block (6) is embedded with the rectangular hole (5), the inner sides of the four frames (301) of the outer ring fixing template (3) are all in contact with the outer side of the inner ring forming template (2), and the well ring template (7) comprises a tire outer tire and an inner tire arranged inside the tire outer tire, and a plastic film is provided on the tire outer tire.

2. According to claim 1, a simple on-site prefabricated concrete cover formwork structure for an inspection well is characterized by: The length of the connecting protrusion (4) is at least three times the thickness of the frame (301).

3. The simple on-site prefabricated concrete cover formwork structure for inspection well according to claim 2 is characterized by: The distance between each edge of the mat (1) and the adjacent cover plate outer peripheral template is greater than 1000 mm.

4. The simple on-site prefabricated concrete cover formwork structure for inspection well according to claim 3 is characterized by: The inner side of the inner ring forming template (2) is coated with a release agent.

5. A simple on-site prefabricated concrete cover formwork structure for a manhole according to any one of claims 1 to 4, characterized in that: The mat (1) is a colored striped cloth.

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