Template for construction of large-aperture underground passage

Abstract

The utility model provides a template for construction of a large-aperture underground passage, which comprises an inner mold and an outer mold, and further comprises two side molds separably arranged between the inner mold and the outer mold, a cavity for pouring the large-aperture underground passage is enclosed by the inner mold, the outer mold and the side molds, and the top side of the outer mold is provided with a pouring port communicated with the cavity; the inner mold comprises a top mold and a bottom mold which are separately connected with the side molds, a connecting plate connected between the top mold and the bottom mold, and a plurality of jacking assemblies arranged between the top mold and the bottom mold in an array mode. According to the formwork for construction of the large-aperture underground passage, the inner formwork, the outer formwork and the side formwork are combined through the first clamping groove and the second clamping groove respectively to form a firm cavity, the large-aperture underground passage can be formed after one-time pouring through the pouring opening, repeated pouring is not needed, construction joints are avoided, and the construction efficiency is improved. And the waterproof effect and the apparent quality of the underground passage are better.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of building construction, specifically relates to a form for large aperture underground passage construction. BACKGROUND

[0002] Underground passage is a kind of passage built underground, mainly used for pedestrian traffic, solves the traffic jam and safety problem of pedestrian in big city, simultaneously plays the role of beautifying city landscape.It is usually used to connect underground facilities such as buildings or subway stations, provides quick and safe traffic mode, with the diversification of city functions, underground passage gradually evolves into "underground complex" that is integrated with traffic, commerce and service functions, and the aperture of underground passage is also larger and larger.Underground passage often adopts the way of box culvert construction, currently domestic large aperture box culvert is poured twice, the first pouring is 20cm part above bottom plate and side wall lower chamfer, the second pouring is remaining side wall and top plate, and a construction joint is formed between side wall and bottom plate after box culvert is formed.

[0003] The existing underground passage construction method has long construction period in batches, and after completion, the pull bolt hole needs to be filled and waterproofed, the waterproof effect is not ideal, thereby affecting the self-waterproof effect and apparent quality of underground passage structure, and the technical problem is solved. CONTENT OF THE UTILITY MODEL

[0004] In view of the deficiency of prior art, the utility model provides a form for large aperture underground passage construction, and the inner form, the outer form and the side form are combined through the clamping groove one and the clamping groove two, a firm cavity is formed, the large aperture underground passage can be formed after pouring through the pouring port once, multiple pouring is not needed, the construction joint is avoided, and the waterproof effect and apparent quality of underground passage are better.

[0005] To achieve the above-mentioned purpose, the utility model takes the technical scheme that a form for large aperture underground passage construction, including inner form and outer form, still including two side forms that can be separated and are arranged between the inner form and the outer form, the inner form, the outer form and the side form are enclosed into the cavity for pouring large aperture underground passage, the top side of the outer form is provided with the pouring port that communicates with the cavity;

[0006] The inner form includes the top form and the bottom film that can be separately connected with the side form, the connecting plate that is connected and arranged between the top form and the bottom form, a plurality of jacking assemblies that are arrayed between the top form and the bottom form, the jacking assembly includes the bearing block, a plurality of jack one that the telescopic end is connected with the top form, the jack two that the telescopic end is connected with the bottom form, the jack three that the telescopic end is connected with the connecting plate, and the base of the jack one, the jack two and the jack three is connected with the bearing block.

[0007] The top die comprises an inner top plate, two upper side plates hingedly connected to both ends of the inner top plate respectively, and the upper edges of the two connecting plates are in separable abutment with the upper side plates respectively.

[0008] The bottom die comprises a bottom plate, two lower side plates hingedly connected to both ends of the bottom plate respectively, and the lower edges of the two connecting plates are in separable abutment with the lower side plates respectively.

[0009] The edges of the top die and the bottom die are provided with two baffle plates I respectively, the two baffle plates I form clamping grooves I for accommodating the side die, and the side die is separably embedded in the clamping grooves I.

[0010] The inner top plate and one side of the upper side plate are hingedly connected through a plurality of hinge seats, and a sealing rubber strip is embedded between the other side of the inner top plate and the upper side plate.

[0011] The bottom plate and one side of the lower side plate are hingedly connected through a plurality of hinge seats, and a sealing rubber strip is embedded between the other side of the bottom plate and the lower side plate.

[0012] The outer die comprises an outer top plate, two outer side plates hingedly connected to both ends of the outer top plate respectively, and the pouring opening is connected with the outer top plate, and the two ends of the outer top plate and the outer side plate are provided with two baffle plates II respectively, the two baffle plates II form clamping grooves II for accommodating the side die, and the side die is separably embedded in the clamping grooves II.

[0013] The outer top plate and one side of the outer side plate are hingedly connected through a plurality of hinge seats, and a sealing rubber strip is embedded between the other side of the outer top plate and the outer side plate.

[0014] The edges of the outer side plate are provided with a plurality of pairs of pull bolt holes.

[0015] Compared with the prior art, the utility model has the advantages that:

[0016] (1) The inner die, the outer die and the side die are combined through the clamping grooves I and the clamping grooves II respectively, a firm cavity is formed, a large-aperture underground passage can be formed after pouring once through the pouring opening, multiple pouring is not needed, the generation of construction joints is avoided, the waterproof effect and the apparent quality of the underground passage are better;

[0017] (2) The inner die is provided with the jack I, the jack II and the jack III, and the installation and removal of the inner die are more convenient and fast;

[0018] (3) The other side of the inner top plate and the upper side plate is embedded with a sealing rubber strip, and the other side of the bottom plate and the lower side plate is embedded with a sealing rubber strip, the sealing property of the formwork is improved through the arrangement of the sealing rubber strips, the pouring of the concrete is safer and more reliable, and the quality of the large-aperture underground passage is better;

[0019] (4) The bolt hole array is arranged at the edge of the outer side plate, and there is no bolt hole in the large-aperture underground passage concrete, which further improves the waterproof effect of the large-aperture underground passage. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 It is the overall external structure schematic diagram of the utility model;

[0021] Figure 2 It is the unfolded state schematic diagram of the utility model;

[0022] Figure 3 It is the structure schematic diagram of the inner mold of the utility model;

[0023] Figure 4 It is the combination structure schematic diagram of the inner top plate and the upper side plate of the utility model Figure 1 ;

[0024] Figure 5 It is the combination structure schematic diagram of the inner top plate and the upper side plate of the utility model Figure 2 ;

[0025] Figure 6 It is the combination structure schematic diagram of the outer top plate and the outer side plate of the utility model Figure 1 ;

[0026] Figure 7 It is the combination structure schematic diagram of the outer top plate and the outer side plate of the utility model Figure 2 .

[0027] In the drawing, 1, inner mold; 11, top mold; 111, inner top plate; 112, upper side plate; 12, bottom mold; 121, bottom plate; 122, lower side plate; 13, connecting plate; 14, jacking assembly; 141, bearing block; 142, jack one; 143, jack two; 144, jack three; 15, baffle one; 151, clamping groove one; 16, hinged seat; 17, sealing rubber strip; 18, hoisting ring; 2, outer mold; 21, outer top plate; 22, outer side plate; 23, baffle two; 24, clamping groove two; 25, bolt hole; 3, side mold; 4, pouring opening; 5, concrete base. DETAILED DESCRIPTION

[0028] In order to more clearly illustrate the technical features of the scheme, the following through specific implementation, the scheme is described.

[0029] Referring to Figures 1-7 , a formwork for large-aperture underground passage construction, comprising an inner mold 1 and an outer mold 2, further comprising two side molds 3 arranged between the inner mold 1 and the outer mold 2 and separable, the inner mold 1, the outer mold 2 and the side mold 3 enclose a cavity for pouring a large-aperture underground passage, and the top side of the outer mold 2 is provided with a pouring opening 4 communicating with the cavity;

[0030] The inner mold 1 includes a top mold 11 and a bottom mold 12 respectively separably connected with the side mold 3, a connecting plate 13 arranged between the top mold 11 and the bottom mold 12, a plurality of jacking assemblies 14 arranged between the top mold 11 and the bottom mold 12, the jacking assembly 14 including a bearing block 141, a plurality of jacks one 142 with a telescopic end connected with the top mold 11, jacks two 143 with a telescopic end connected with the bottom mold 12, jacks three 144 with a telescopic end connected with the connecting plate 13, and the bases of the jacks one 142, the jacks two 143 and the jacks three 144 being connected with the bearing block 141.

[0031] The top mold 11 includes an inner top plate 111 and two upper side plates 112 respectively hinged at both ends of the inner top plate 111, and the upper edges of the two connecting plates 13 are respectively separably abutted with the upper side plates 112.

[0032] The bottom mold 12 includes a bottom plate 121 and two lower side plates 122 respectively hinged at both ends of the bottom plate 121, and the lower edges of the two connecting plates 13 are respectively separably abutted with the lower side plates 122.

[0033] The edges of the top mold 11 and the bottom mold 12 are respectively provided with two baffle plates one 15, the two baffle plates one 15 form a clamping groove one 151 for accommodating the side mold 3, and the side mold 3 is separably embedded in the clamping groove one 151.

[0034] The inner top plate 111 and one side of the upper side plate 112 are hinged through a plurality of hinge seats 16, and a sealing rubber strip 17 is embedded between the other side of the inner top plate 111 and the upper side plate 112.

[0035] The bottom plate 121 and one side of the lower side plate 122 are hinged through a plurality of hinge seats 16, and a sealing rubber strip 17 is embedded between the other side of the bottom plate 121 and the lower side plate 122.

[0036] The outer mold 2 includes an outer top plate 21 and two outer side plates 22 respectively hinged at both ends of the outer top plate 21, and the pouring opening 4 is connected with the outer top plate 21, the two ends of the outer top plate 21 and the outer side plates 22 are respectively provided with two baffle plates two 23, the two baffle plates two 23 form a clamping groove two 24 for accommodating the side mold 3, and the side mold 3 is separably embedded in the clamping groove two 24.

[0037] The outer top plate 21 and the outer side plate 22 are hinged through a plurality of hinge seats 16, and a sealing rubber strip 17 is embedded between the other side of the outer top plate 21 and the outer side plate 22.

[0038] Both ends of the inner top plate 111 are respectively provided with two lifting rings 18, and both ends of the outer top plate 21 of the outer mold 2 are also respectively provided with two lifting rings 18.

[0039] The edges of the outer side plate 22 are arranged with a plurality of pairs of pull bolt holes 25.

[0040] The edge of the connecting plate 13 close to the upper side plate 112 and the lower side plate 122 is wedge-shaped, and the two ends of the connecting plate 13 are also provided with clamping grooves 151, and the edge of the upper side plate 112 and the lower side plate 122 is also wedge-shaped, so that when the connecting plate 13 is stretched out, the upper side plate 112 and the lower side plate 122 are pressed tightly on the side mold 3.

[0041] The specific working process of the utility model is as follows:

[0042] In use, first, the reinforcement is bound on the poured concrete base 5, the jacks one 142, the jacks two 143 and the jacks three 144 are retracted, then the inner mold 1 is hoisted and placed on the reinforcement by the crane through the lifting ring 18, the two side molds 3 are respectively erected on the two sides of the reinforcement on the concrete base 5, the inner mold 1 is further hoisted, so that the two ends of the inner mold 1 are respectively inserted into the side mold 3, then the inner mold 1 is gradually lowered until the clamping grooves one 151 of the lower side plate 122 are clamped in the inner side of the side mold 3, at this time, the inner mold 1 does not contact the reinforcement, after the inner mold 1 is hoisted in place, the jacks one 142 and the jacks two 143 are started, so that the clamping grooves one 151 of the inner top plate 111 are clamped with the side mold 3, then the jacks three 144 are started, the jacks three 144 drive the connecting plate 13 to expand, until the connecting plate 13 contacts the upper side plate 112 and the lower side plate 122, the connecting plate 13 continues to stretch out, until the clamping grooves one 151 of the upper side plate 112 and the lower side plate 122 are pressed tightly to contact the side mold 3 closely, at this time, the clamping grooves one 151 of the connecting plate 13 are also combined closely with the side plate, so that the assembly of the inner mold 1 and the side mold 3 is completed.

[0043] Continue to bind the reinforcement around the inner mold 1 until the reinforcement position and quantity meet the design requirements, start to install the outer mold 2, specifically, the outer top plate 21 of the outer mold 2 is hoisted through the lifting ring 18 by the crane, the outer mold 2 is hoisted to the position above the inner mold 1, when hoisting, the opposite pull bolt holes 25 of the outer mold 2 are pulled outward, so that the clamping grooves two 24 of the outer mold 2 are smoothly inserted into the edge of the side mold 3, and slowly lowered, so that the clamping grooves two 24 are inserted into the side mold 3, the hoisting of the outer mold 2 is completed, finally, the opposite pull bolts are inserted between the opposite pull bolt holes 25 on the two outer side plates 22 and are pulled tightly, the installation of the whole mold is completed.

[0044] Finally, the concrete is poured into the pouring opening 4, the concrete fills the whole cavity, and after curing, the large-diameter underground passage is formed.

[0045] When the mold is removed, first, the opposite pull bolts are removed, then the outer side plate 22 is separated from the concrete, the outer mold 2 is hoisted, the jacks one 142, the jacks two 143 and the jacks three 144 are operated, so that the inner mold 1 is separated from the concrete and the side mold 3, the side mold 3 is removed and hoisted out, finally, the inner mold 1 is hoisted out, the mold removal of the whole mold is completed.

[0046] The inner mold 1, the outer mold 2 and the side mold 3 are combined through the clamping groove one 151 and the clamping groove two 24 respectively, a firm cavity is formed, a large-aperture underground passage can be formed after pouring through the pouring port 4 once, multiple pouring is not needed, the generation of construction joints is avoided, the waterproof effect and the apparent quality of the underground passage are better;

[0047] The inner mold 1 is provided with the jack one 142, the jack two 143 and the jack three 144, and the installation and removal of the inner mold 1 are more convenient and fast;

[0048] The sealing rubber strips 17 are embedded between the inner top plate 111 and the other side of the upper side plate 112 and between the bottom plate 121 and the other side of the lower side plate 122, the sealing property of the formwork is improved through the arrangement of the sealing rubber strips 17, the pouring of concrete is safer and more reliable, and the quality of the large-aperture underground passage is better.

[0049] The array of the tension bolt holes 25 is arranged at the edge of the outer side plate 22, and the large-aperture underground passage concrete is not provided with the tension bolt holes 25, and the waterproof effect of the large-aperture underground passage is further improved.

[0050] The technical features not described in the utility model can be realized through or by using the prior art, and will not be repeated here, of course, the above description is not a limitation of the utility model, the utility model is also not limited to the above examples, the changes, modifications, additions or replacements made by the ordinary skilled in the art within the essential scope of the utility model should also belong to the protection scope of the utility model.

Claims

1. A form for large-diameter underground tunnel construction, comprising an inner form (1) and an outer form (2), characterized in that, Also include separable setting between the inner mold (1) and the outer mold (2) two side mold (3), the inner mold (1), the outer mold (2) and the side mold (3) enclosed into the cavity for pouring large aperture underground passage, the top side of the outer mold (2) is provided with the pouring opening (4) communicated with the cavity; The inner mold (1) includes a top mold (11) and a bottom mold respectively separable connected with the side mold (3), a connecting plate (13) connected between the top mold (11) and the bottom mold (12), a plurality of jacking assemblies (14) arranged between the top mold (11) and the bottom mold (12), the jacking assembly (14) includes a bearing block (141), a plurality of jack one (142) with the top mold (11) connected with the telescopic end, jack two (143) with the bottom mold (12) connected with the telescopic end, jack three (144) connected with the connecting plate (13) with the telescopic end, the base of the jack one (142), the jack two (143), the jack three (144) is connected with the bearing block (141).

2. The form for large-diameter underground tunnel construction according to claim 1, characterized by The top mold (11) includes an inner top plate (111), two upper side plates (112) respectively hinged with both ends of the inner top plate (111), and the upper edges of the two connecting plates (13) are respectively separable abutted with the upper side plates (112).

3. The form for large-diameter underground tunnel construction according to claim 2, characterized by The bottom mold (12) includes a bottom plate (121), two lower side plates (122) respectively hinged with both ends of the bottom plate (121), and the lower edges of the two connecting plates (13) are respectively separable abutted with the lower side plates (122).

4. The form for large-diameter underground tunnel construction according to claim 1, wherein The edges of the top mold (11) and the bottom mold (12) are provided with two baffle one (15), two baffle one (15) forms the clamping groove one (151) for accommodating the side mold (3), the side mold (3) is separable embedded in the clamping groove one (151).

5. The form for large-diameter underground tunnel construction according to claim 3, characterized by The inner top plate (111) and one side of the upper side plate (112) are hinged through a plurality of hinge seats (16), and a sealing rubber strip (17) is embedded between the other side of the inner top plate (111) and the upper side plate (112). The bottom plate (121) and one side of the lower side plate (122) are hinged through a plurality of hinge seats (16), and a sealing rubber strip (17) is embedded between the other side of the bottom plate (121) and the lower side plate (122).

6. The form for large-diameter underground tunnel construction according to claim 1, wherein The outer mold (2) includes an outer top plate (21), two outer side plates (22) respectively hinged with both ends of the outer top plate (21), the pouring opening (4) is connected with the outer top plate (21), the outer top plate (21) and the outer side plate (22) are provided with two baffle two (23) at both ends, two baffle two (23) forms the clamping groove two (24) for accommodating the side mold (3), the side mold (3) is separable embedded in the clamping groove two (24).

7. The form for large-diameter underground tunnel construction according to claim 6, characterized by The outer top plate (21) is hinged with one side of the outer side plate (22) through several hinge seats (16), and a sealing rubber strip (17) is embedded between the other side of the outer top plate (21) and the outer side plate (22).

8. The form for large-diameter underground tunnel construction according to claim 7, characterized by The edges of the outer side plate (22) are provided with several pairs of pull bolt holes (25).

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