Road anti-sliding and shaping steel form at wellhead and construction method thereof

Abstract

The application provides a wellhead road anti-sliding shaped steel formwork and a construction method thereof, and relates to the technical field of building construction. The wellhead road anti-sliding shaped steel formwork comprises a formwork and an adjusting ring. The formwork is arranged on the adjusting ring. The formwork comprises a first formwork, a second formwork and a third formwork which are connected in a ring shape in a detachable mode. The arc length of one of the second formwork and the third formwork is less than half of the circumference length. The central angle corresponding to the arc length of the first formwork is not more than 30°. The splicing part of the first formwork, the second formwork and the third formwork is arranged in an inclined bevel. The bevels on the two sides of the first formwork are arranged in a splayed shape. The arc length of the inner wall of the first formwork is greater than that of the outer wall. In the concrete road construction, the wellhead forming quality is excellent, the formwork is extremely fast in disassembly and assembly, the height of the formwork is convenient to adjust, the turnover utilization rate is high, the number of construction personnel is greatly reduced, and the good effects of improving the engineering construction quality, reducing the cost and increasing the benefit are realized.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of building construction, and in particular to a wellhead road anti-sliding shaped steel formwork and a construction method thereof. BACKGROUND

[0002] The inspection well is set for the maintenance of the power supply, water supply, drainage, sewage, communication, cable television, gas pipe, street lamp line and the like of the urban underground infrastructure, and is convenient to install. Generally, it is set at the pipe intersection, turning place, pipe diameter or slope change place, and every certain distance on the straight pipe section, so as to facilitate the periodical inspection of the auxiliary structure.

[0003] The traditional wood formwork, masonry or concrete adjusting ring is used for the wellhead concrete of the inspection well. The wood formwork has poor forming quality, low formwork turnover rate and large material waste. The masonry has poor homogeneity and is easy to loosen. The concrete adjusting ring is selected to have the same height, and the road concrete is easy to pour into the well during pouring. The concrete adjusting ring is selected to be higher than the road surface, and the part of the concrete adjusting ring that is higher than the road surface needs to be removed, which increases the workload and has poor quality of the removed surface. The concrete adjusting ring is prefabricated in the factory, has large weight, is not flexible in height adjustment on site, and the formwork is easy to slide during pouring of the road concrete. Therefore, an assembled shaped steel formwork that is easy to install, remove, adjust and fix is needed. SUMMARY

[0004] Therefore, the present application provides a wellhead road anti-sliding shaped steel formwork and a construction method thereof, which can provide an assembled shaped steel formwork that is easy to install, remove, adjust and fix.

[0005] The wellhead road anti-sliding shaped steel formwork and the construction method thereof provided by the present application adopt the following technical scheme:

[0006] In a first aspect, a wellhead road anti-sliding shaped steel formwork includes a formwork and an adjusting ring. The formwork is arranged on the adjusting ring. The formwork includes a first formwork, a second formwork and a third formwork that are connected in a ring shape in a detachable manner. The arc length of one of the second formwork and the third formwork is less than half of the circumference length. The arc length of the first formwork corresponds to a central angle of not more than 30°. The joint between the first formwork and the second formwork and the third formwork is arranged in an inclined bevel. The bevels on both sides of the first formwork are arranged in a dovetail shape. The arc length of the inner wall of the first formwork is greater than that of the outer wall.

[0007] Further, the first connecting plate is arranged on the joint of the first template, the second connecting plate is arranged on the joint of the second template, and the third connecting plate is arranged on the joint of the third template.

[0008] Further, the upper ear plate and the lower ear plate are arranged on the upper part and the lower part of the template respectively, and a plurality of threaded holes are arranged on the upper ear plate and the lower ear plate.

[0009] Further, the lower ear plate is provided with a clasp ring, the outer diameter of the clasp ring is smaller than the inner diameter of the adjusting ring, the clasp ring is inserted into the adjusting ring, and the lower ear plate is fixed on the adjusting ring through a bolt.

[0010] Further, the width of the upper ear plate is smaller than the width of the lower ear plate, the clasp ring can be inserted into the upper ear plate to increase the height of the template, and the lower ear plate of the upper template is fixed on the upper ear plate of the lower template.

[0011] Further, the bevel at the two ends of the first template forms a 105° angle with the circular tangent line at the joint of the second template and the third template.

[0012] Further, the joints of the first template, the second template and the third template are sealed.

[0013] In a second aspect, a construction method of a road anti-sliding steel template at a wellhead is provided, which comprises the following steps.

[0014] S1, selecting materials and processing the template and the adjusting ring according to the size of the wellhead;

[0015] S2, template assembly: the first template, the second template and the third template are fixed together by bolts, a release agent is brushed on the outer circumferential side of the template, the assembled template is placed on the top surface of the lower adjusting ring, the clasp ring is just clamped on the inner wall of the top of the adjusting ring, then the fixing bolts are tightened, the lower ear plate is seated on the top surface of the adjusting ring, if heightening is needed, another template with appropriate height is stacked on the top of the assembled template, and the clasp ring of the upper template is clamped on the inner wall of the top of the lower template.

[0016] S3, pouring road concrete;

[0017] S4, after the strength of the concrete reaches the condition of removing the template, the template is removed, the bolts are loosened, the first template is taken out by the workers, and then the second template and the third template are taken out.

[0018] In summary, the present application comprises at least one of the following beneficial effects: in the construction of concrete roads, the wellhead forming quality is excellent, the smaller first formwork is removed first during the formwork removal process, the second and third formwork are removed, the formwork removal and installation speed is extremely fast, the height adjustment of the formwork is convenient, the turnover utilization rate is high, the number of construction personnel is greatly reduced, and the good effect of improving the engineering construction quality and reducing the cost and increasing the benefit is realized. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 is a structural schematic diagram of an embodiment of the present application;

[0020] Figure 2 is a top view of an embodiment of the present application.

[0021] BRIEF DESCRIPTION OF DRAWINGS

[0022] 1, formwork; 11, first formwork; 111, first connecting plate; 12, second formwork; 121, second connecting plate; 13, third formwork; 131, third connecting plate; 14, upper lug plate; 15, lower lug plate; 16, clasp ring; 17, handle; 2, adjusting ring. DETAILED DESCRIPTION

[0023] The embodiments of the present application will be described in detail below with specific specific examples, and those skilled in the art can easily understand other advantages and effects of the present application from the disclosure in the specification. The present application can also be implemented or applied by different specific embodiments, and the details in the specification can be modified or changed based on different views and applications without departing from the spirit of the present application.

[0024] The following will be described in detail below with reference to the accompanying drawings Figures 1-2 The present application will be further described in detail.

[0025] The present application discloses a wellhead road anti-sliding steel formwork and its construction method. Referring to Figure 1 and Figure 2The wellhead road anti-sliding shaped steel formwork comprises a formwork 1 and an adjusting ring 2, the formwork 1 is arranged on the adjusting ring 2, the formwork 1 comprises a first formwork 11, a second formwork 12 and a third formwork 13 which are detachably connected in series to form a ring-shaped formwork, the arc length of one of the second formwork 12 and the third formwork 13 is less than half of the circumference length, the arc length of the first formwork 11 corresponds to a central angle of not more than 30°, the joint of the first formwork 11 with the second formwork 12 and the third formwork 13 is arranged in an inclined bevel, the joints of the first formwork 11, the second formwork 12 and the third formwork 13 are all sealed, the bevels on both sides of the first formwork 11 are arranged in a splayed shape, the arc length of the inner wall of the first formwork 11 is greater than that of the outer wall, and the circular tangent line at the joint of the bevels at both ends of the first formwork 11 with the second formwork 12 and the third formwork 13 forms an angle of 105°; during processing, the arc lengths of the three formworks 1 are determined according to the size of the well lid, the arc length of the first formwork 11 cannot be too long, and the weight thereof should be reduced as much as possible to facilitate disassembly and assembly, in the embodiment, the first formwork 11 is processed to have an arc length of 20-30 cm, the second formwork 12 and the third formwork 13 can be processed to have the same arc length to facilitate batch production, and if the arc lengths are different, the arc length of the largest one of the formworks 1 should be not greater than half of the circumference length to prevent difficulty in disassembling the large formwork 1.

[0026] The joints of the first formwork 11 on both sides are provided with first connecting plates 111 in the vertical direction, the joints of the second formwork 12 on both sides are provided with second connecting plates 121 in the vertical direction, the joints of the third formwork 13 on both sides are provided with third connecting plates 131 in the vertical direction, the two first connecting plates 111 are fixedly connected with the adjacent second connecting plates 121 and third connecting plates 131 respectively, the adjacent second connecting plates 121 and third connecting plates 131 are fixedly connected with each other, when the formwork 1 is assembled, the first connecting plates 111 at both ends of the first formwork 11 are fixedly connected with the adjacent second connecting plates 121 and third connecting plates 131 through bolts, the adjacent second connecting plates 121 and third connecting plates 131 of the second formwork 12 and the third formwork 13 are fixedly connected through bolts, and the first formwork 11, the second formwork 12 and the third formwork 13 are assembled into a ring-shaped formwork 1.

[0027] The upper part and the lower part of the template 1 in this embodiment are respectively folded inward to form an annular upper lug 14 and a lower lug 15, and a plurality of threaded holes are uniformly arranged on the upper lug 14 and the lower lug 15, and the upper lug 14 and the lower lug 15 can be used to connect a plurality of templates 1, and the bottom of the lower lug 15 is provided with an annular snap ring 16, the outer diameter of the snap ring 16 is smaller than the inner diameter of the adjusting ring 2, the snap ring 16 is inserted into the adjusting ring 2, and the lower lug 15 is fixed on the adjusting ring 2 by bolts; during installation, the assembled template 1 is placed on the top surface of the lower adjusting ring 2, the snap ring 16 is just clamped on the inner wall of the top of the lower adjusting ring 2, then the fixing bolts are tightened, and the lower lug 15 sits on the top surface of the adjusting ring 2 to prevent the shaped template 1 from slipping; if it is necessary to increase the height, another template 1 with a suitable height is stacked on the top of the assembled template 1, the snap ring 16 of the template 1 located above is clamped on the inner wall of the top of the template 1 located below, at this time, the width of the upper lug 14 is smaller than the width of the lower lug 15, the snap ring 16 can be inserted into the upper lug 14 to increase the height of the template 1, and the lower lug 15 of the template 1 located above is fixed on the upper lug 14 of the template 1 located below to ensure smooth embedding, the template 1 located above can also not be provided with the snap ring 16, the two layers of templates 1 are connected by bolts, and the lower lug 15 of the template 1 located above sits on the top surface of the upper lug 14 of the template 1 located below.

[0028] A construction method of a road anti-sliding shaped steel template at a wellhead, comprising the following steps:

[0029] Step one, material selection and processing: Q235 steel plates are used, and the thickness of the steel plates can be light and not easy to deform; the template 1 and the adjusting ring 2 are processed according to the size of the wellhead; the shaped template 1 is processed into a first template 11, a second template 12 and a third template 13, wherein the rib plate at the joint of the smallest first template 11 and the second template 12 and the third template 13 is processed into a 105° bevel, the rib plate at the joint between the second template 12 and the third template 13 is processed along the diameter direction, the templates 1 are connected by bolts, the top and the bottom of the three templates 1 are folded inward by 40 mm, or are cut and welded according to the drawings to form the upper lug 14 and the lower lug 15, the lower lug 15 is provided with a snap ring 16 with a depth of 40 mm, the snap ring 16 is cut according to the size of the wellhead, the outer diameter of the snap ring 16 is slightly smaller than the inner diameter of the lower adjusting ring 2, so that the template 1 can be smoothly inserted into the lower adjusting ring 2 after the template 1 is assembled, and then fixed; the height of the template 1 is processed into various sizes such as 100 mm, 200 mm to 500 mm; the arc length of the template 1 is determined according to the size of the lower adjusting ring 2, the arc length of the first template 11 cannot be too long, and the weight of the first template 11 should be reduced as much as possible to facilitate disassembly and assembly, and the arc length of the first template 11 is processed into 20-30 cm; the arc lengths of the second template 12 and the third template 13 can be the same, and if the arc lengths are different, the arc length of the largest template 1 should be less than half of the circumference;

[0030] Step two, on-site assembly: bolt the first template 11, the second template 12 and the third template 13 together, and brush the outer peripheral side of the template 1 with a release agent, place the assembled template 1 on the top surface of the lower adjusting ring 2, the snap ring 16 is just snapped on the inner wall of the top of the lower adjusting ring 2, then tighten the fixing bolt, the lower lug 15 sits on the top surface of the adjusting ring 2 to prevent the shaped template 1 from slipping; if heightening is needed, stack another template 1 of appropriate height on the top of the assembled template 1, the snap ring 16 of the template 1 on the upper side is snapped on the inner wall of the top of the template 1 on the lower side, and the lower lug 15 of the template 1 on the upper side sits on the top surface of the upper lug 14 of the template 1 on the lower side, if heightening is not needed, directly enter step three;

[0031] Step three, pouring road surface concrete;

[0032] Step four, after the concrete strength reaches the condition for removing the template 1, remove the template 1, loosen the bolt, then the worker first takes out the first template 11 by hand, and then takes out the second template 12 and the third template 13.

[0033] Finally, it should be pointed out that the above embodiments are only used to illustrate the technical solutions of the present application and not to limit it, although the present application has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical solutions of the present application can be modified or replaced equivalently without departing from the purpose and scope of the technical solutions of the present application, and they should be covered in the scope of the claims of the present application.

Claims

1. A type of anti-slip steel formwork for roads at wellheads, characterized in that: Includes a template (1) and an adjustment ring (2). The template (1) is set on the adjustment ring (2). The template (1) includes a first template (11), a second template (12) and a third template (13) that are detachably connected end to end to form a ring template. The arc length of one of the second template (12) and the third template (13) is less than half of the circumference. The central angle corresponding to the arc length of the first template (11) does not exceed 30°. The joint between the first template (11) and the second template (12) and the third template (13) is set with an inclined bevel. The bevels on both sides of the first template (11) are set in a figure-eight shape. The arc length of the inner wall of the first template (11) is greater than the arc length of the outer wall. The upper and lower parts of the template (1) are folded inward to form an annular upper ear plate (14) and lower ear plate (15), and the upper ear plate (14) and lower ear plate (15) are evenly provided with multiple threaded holes. The upper ear plate (14) and lower ear plate (15) are used to connect multiple templates (1). The lower ear plate (15) has an annular retaining ring (16) at its bottom. The outer diameter of the retaining ring (16) is smaller than the inner diameter of the adjusting ring (2). The retaining ring (16) is inserted into the adjusting ring (2). The lower ear plate (15) is fixed to the adjusting ring (2) by bolts. The upper ear plate (14) is narrower than the lower ear plate (15). The retaining ring (16) is inserted into the upper ear plate (15) to increase the height of the template (1). The lower ear plate (15) of the template (1) located above is fixed to the upper ear plate (14) of the template (1) located below.

2. The anti-slip steel formwork for roads at wellheads according to claim 1, characterized in that: The first template (11) has a first connecting plate (111) at the splicing point on both sides in the vertical direction, the second template (12) has a second connecting plate (121) at the splicing point on both sides in the vertical direction, and the third template (13) has a third connecting plate (131) at the splicing point on both sides in the vertical direction. The two first connecting plates (111) are fixedly connected to the adjacent second connecting plate (121) and third connecting plate (131) respectively, and the adjacent second connecting plate (121) and third connecting plate (131) are fixedly connected.

3. The anti-slip steel formwork for roads at wellheads according to claim 1, characterized in that: The bevels at both ends of the first template (11) form a 105° angle with the circular tangents at the connection points of the second template (12) and the third template (13).

4. The anti-slip steel formwork for roads at wellheads according to claim 1, characterized in that: The joints of the first template (11), the second template (12) and the third template (13) are all sealed.

5. A method for constructing anti-slip steel formwork at wellheads, characterized in that: The method of using the anti-slip fixed steel formwork for road access at the wellhead as described in any one of claims 1-4 includes the following steps: S1. Select materials and process the template (1) and adjustment ring (2) according to the size of the wellhead; S2, Template (1) assembly: Fix the first template (11), the second template (12) and the third template (13) together with bolts, and brush the release agent on the outer periphery of the template (1). Place the assembled template (1) on the top surface of the lower adjustment ring (2). The retaining ring (16) is just stuck on the inner wall of the top of the adjustment ring (2). Then tighten the fixing bolts. The lower ear plate (15) sits on the top surface of the adjustment ring (2). If it is necessary to increase the height, take another template (1) of appropriate height and stack it on the top of the assembled template (1). The retaining ring (16) of the upper template (1) is stuck on the inner wall of the top of the lower template (1). S3. Pouring road surface concrete; S4. After the concrete strength reaches the demolding condition, the formwork is removed (1). After loosening the bolts, the worker first removes the first formwork (11) by hand, and then removes the second formwork (12) and the third formwork (13).

Images