CN217298623U - Cast-in-place reinforced concrete detachable combined guardrail and construction device - Google Patents
Cast-in-place reinforced concrete detachable combined guardrail and construction device Download PDFInfo
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- CN217298623U CN217298623U CN202220231021.4U CN202220231021U CN217298623U CN 217298623 U CN217298623 U CN 217298623U CN 202220231021 U CN202220231021 U CN 202220231021U CN 217298623 U CN217298623 U CN 217298623U
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Abstract
The utility model relates to a cast-in-place reinforced concrete detachable combined guardrail and a construction device, which comprises a concrete guardrail and a detachable guardrail, wherein the concrete guardrail is integrally cast and formed, and the detachable guardrail is arranged at the top of the concrete guardrail; the concrete guardrail is internally provided with an embedded threaded sleeve and an embedded lug; the detachable guardrail consists of a movable base, a longitudinal steel pipe, a rotating support shaft and a fastening bolt; the longitudinal steel pipe is fixed on the movable base, one end of the rotating support shaft is fixed with the movable base, the other end of the rotating support shaft is hinged to the embedded lug ring, and the fastening bolt penetrates through a bolt hole in the movable base and is anchored in the embedded threaded sleeve. The beneficial effects of the utility model are that: by adopting the detachable combined guardrail and the construction device, when a vehicle for transporting large special components passes through, the detachable guardrail on the upper part is detached, and the traffic capacity of the road is improved.
Description
Technical Field
The utility model relates to a bridge cast in situ concrete rail guard structure especially relates to a combination formula guardrail and construction equipment can be dismantled to cast in situ reinforced concrete.
Background
In order to ensure the installation of a travelling crane, guard rails are usually arranged on two sides of a bridge, and the existing guard rails are usually of a cast-in-place concrete structure, have better impact resistance and durability and have better protection effect on vehicles on the bridge. To avoid that the vehicle falls off the bridge in the event of a collision, the design height of the guard rail is therefore usually high to ensure safety. However, when some large special members are transported, the normal passing of transport vehicles can be influenced due to the limitation of the height of the guardrail; or in some sections with smaller turning radius, the existing concrete guard rail also influences the transportation of large special components. If the height of the concrete guard rail is reduced, the problem of vehicle passing for transporting large special members can be well solved, but the height of the guard rail cannot meet the standard requirement, and the safety problem during vehicle collision cannot be guaranteed; in addition, fewer vehicles are used to transport large specialty components, and lowering the height of the concrete barrier is clearly not the best method.
SUMMERY OF THE UTILITY MODEL
The utility model aims at overcoming the not enough among the prior art, provide a combination formula guardrail and construction equipment can be dismantled to cast in situ reinforced concrete.
The cast-in-place reinforced concrete detachable combined guardrail comprises a concrete guardrail and a detachable guardrail, wherein the concrete guardrail is integrally cast, and the detachable guardrail is arranged at the top of the concrete guardrail; the concrete guardrail is internally provided with an embedded threaded sleeve and an embedded lug; the detachable guardrail consists of a movable base, a longitudinal steel pipe, a rotating support shaft and a fastening bolt; the longitudinal steel pipe is fixed on the movable base, one end of the rotating support shaft is fixed with the movable base, the other end of the rotating support shaft is hinged to the embedded lug ring, and the fastening bolt penetrates through a bolt hole in the movable base and is anchored in the embedded threaded sleeve.
Preferably, the method comprises the following steps: the embedded threaded sleeve and the embedded ear ring are connected and fixed through a connecting steel plate.
Preferably, the method comprises the following steps: and structural reinforcing bars are arranged in the concrete guardrail.
The construction device of the cast-in-place reinforced concrete detachable combined guardrail comprises a movable formwork support, a splicing side mold and a false seam mold; the movable formwork support mainly comprises a U-shaped support, a base, an inclined support rod, a balance weight, a universal wheel, an extension screw rod, a longitudinal support rod, a vertical threaded sleeve and a vertical screw rod, wherein the U-shaped support is fixed on the base; an inclined stay bar is arranged between the U-shaped bracket and the base, and a balance weight is arranged on the base; the splicing side molds are positioned on two sides of a structural reinforcement of the concrete guardrail; the splicing side dies are steel templates, and the adjacent splicing side dies are spliced and fixed through fixing bolts; the false seam mould mainly comprises an arc-shaped front section, a standard section and an arc-shaped tail section, wherein the arc-shaped front section, the standard section and the arc-shaped tail section are connected into a whole through a vertical connecting bolt and a transverse connecting bolt.
Preferably, the method comprises the following steps: the extension screw rod on the movable formwork support is fixed with the splicing side die on the inner side of the concrete guardrail, and the longitudinal support rod is fixed with the splicing side die on the outer side of the concrete guardrail.
Preferably, the method comprises the following steps: the splicing side die is provided with an ear ring through hole, and the embedded ear ring penetrates out of the ear ring through hole.
Preferably, the method comprises the following steps: the false seam mould is suspended on the movable formwork support, and the vertical connecting bolt is fixed in the vertical threaded sleeve.
The utility model has the advantages that:
1. the detachable combined guardrail is adopted, when a vehicle for transporting large special components passes through, the detachable guardrail on the upper portion is detached, and the passing capacity of the road is improved.
2. Connect fixedly through the articulated mode between removable guardrail and the concrete guardrail, not only reduced the dismantlement installation degree of difficulty of removable guardrail, avoid demolising the in-process removable guardrail simultaneously and drop and endanger vehicle and pedestrian under the bridge, the security is high.
3. The detachable guardrail is hung outside the concrete guardrail after being detached, the detached guardrail does not need to be taken away, the passing of vehicles is not influenced, and the field operation amount is reduced.
4. The cast-in-place concrete guardrail adopts the movable formwork support, reduces the formwork support difficulty, improves the operation efficiency of formwork support and formwork removal, does not need operators to turn over the concrete guardrail to remove the formwork on the outer side, and greatly improves the operation safety.
5. The special false seam mould is adopted to construct the false seam of the concrete guardrail, so that the construction quality of the false seam is improved; the false seam splicing mould adopts a modularized splicing design, can be freely combined according to the width and the depth of a false seam, and has strong engineering adaptability.
6. The embedded threaded sleeve, the embedded earrings and the false joint splicing mold are hung on the movable formwork support, so that the concrete guardrail is prevented from shifting during pouring, and the construction precision of the embedded components and the false joints is improved.
Drawings
FIG. 1 is a schematic view of the working state of a movable formwork support;
FIG. 2 is a schematic illustration of the removal of the form by the mobile form holder;
FIG. 3 is a schematic view of a concrete guardrail structure;
FIG. 4 is a schematic view of the removable guardrail in place;
FIG. 5 is a schematic view of a removable guardrail removal configuration;
FIG. 6 is a cross-sectional structural view of the false seam mold in place;
FIG. 7 is a schematic view of a longitudinal section of a false seam mold in place;
FIG. 8 is a schematic three-dimensional structure of a false suture mold;
FIG. 9 is a schematic view of a three-dimensional structure of a false seam mold installation.
Description of reference numerals: 1-concrete guardrail, 11-structural reinforcement, 2-detachable guardrail, 21-movable base, 22-longitudinal steel pipe, 23-rotary supporting shaft, 24-fastening bolt, 31-embedded threaded sleeve, 32-embedded earring, 33-connecting steel plate, 41-U-shaped bracket, 42-base, 43-diagonal brace, 44-balance weight, 45-universal wheel, 46-extension screw rod, 47-longitudinal supporting rod, 48-vertical threaded sleeve, 49-vertical screw rod, 5-splicing side mold, 51-fixing bolt, 52-earring through hole, 6-false seam mold, 61-arc front section, 62-standard section, 63-arc tail section, 64-vertical connecting bolt and 65-transverse connecting bolt.
Detailed Description
The present invention will be further described with reference to the following examples. The following description of the embodiments is merely provided to aid in understanding the invention. It should be noted that, for those skilled in the art, without departing from the principle of the present invention, the present invention can be further modified and modified, and such modifications and modifications also fall within the protection scope of the appended claims.
As an embodiment, the cast-in-place reinforced concrete detachable combined guardrail provided by the utility model comprises a concrete guardrail 1 and a detachable guardrail 2; the concrete guardrail 1 is integrally cast, and the detachable guardrail 2 is arranged at the top of the concrete guardrail 1, as shown in the attached figure 4; an embedded threaded sleeve 31 and an embedded ear ring 32 are arranged in the concrete guardrail 1; the detachable guardrail 2 consists of a movable base 21, a longitudinal steel pipe 22, a rotating support shaft 23 and a fastening bolt 24; the longitudinal steel pipe 22 is fixed on the movable base 21, one end of the rotating support shaft 23 is fixed with the movable base 21, the other end of the rotating support shaft 23 is hinged with the embedded ear ring 32, and the fastening bolt 24 penetrates through a bolt hole in the movable base 21 and is anchored in the embedded threaded sleeve 31.
As shown in fig. 3, the embedded threaded sleeve 31 and the embedded ear rings 32 are connected and fixed by the connecting steel plates 33, so that the relative positions of the embedded threaded sleeve 31 and the embedded ear rings 32 are prevented from moving, and the construction precision of the structure is improved. The concrete guardrail 1 is internally provided with structural reinforcing bars 11, so that the overall structural strength of the concrete guardrail 1 is improved.
As shown in fig. 4 and 5, the fastening bolt 24 can be detached from the embedded threaded sleeve 31, and the detachable guardrail 2 can rotate around the hinge shaft of the rotation support shaft 23 and the embedded ear ring 32; when the height of the guardrail needs to be reduced, the fastening bolt 24 is detached from the embedded threaded sleeve 31, the constraint on the detachable guardrail 2 is removed, then the detachable guardrail 2 is integrally turned outwards, rotates around the hinged shaft of the rotating support shaft 23 and the embedded ear ring 32 and is hung on the outer side of the concrete guardrail 1; when the height of the guardrail needs to be recovered, the detachable guardrail 2 is turned upwards, and the detachable guardrail 2 is fixed at the top of the concrete guardrail 1 by using the fastening bolt 24; through the structure, the height of the guardrail can be quickly adjusted, the passing and safety requirements are met, the operation difficulty is reduced, in the operation process, the detachable guardrail 2 is not easy to drop from the bridge, and the safety of vehicles and pedestrians under the bridge is ensured.
As shown in the attached drawings 1 to 2 and 6 to 9, the construction device of the cast-in-place reinforced concrete detachable combined guardrail comprises a movable formwork support, a splicing side mold, a false seam mold and other members;
as shown in fig. 1, the movable formwork support is composed of a U-shaped support 41, a base 42, an inclined strut 43, a counterweight 44, a universal wheel 45, an extension screw 46, a longitudinal support rod 47, a vertical threaded sleeve 48, a vertical screw 49 and the like, the U-shaped support 41 is fixed on the base 42, the universal wheel 45 is installed below the base 42, the extension screw 46 and the longitudinal support rod 47 are respectively installed and fixed on two vertical rods of the U-shaped support 41, the vertical threaded sleeve 48 is installed and fixed on a horizontal rod of the U-shaped support 41, and the vertical screw 49 is located in the vertical threaded sleeve 48; an inclined stay bar 43 is arranged between the U-shaped support 41 and the base 42, so that the stability of the U-shaped support 41 is improved, a counterweight 44 is arranged on the base 42, the overall stability of the movable formwork support is improved, and the movable formwork support is prevented from being overturned integrally; the splicing side moulds 5 are positioned at two sides of a structural reinforcement 11 of the concrete guardrail 1; the splicing side molds 5 are steel templates, and the adjacent splicing side molds 5 are spliced and fixed by using fixing bolts 51; as shown in fig. 7 and 8, the false seam mould 6 is composed of an arc-shaped front section 61, a standard section 62 and an arc-shaped tail section 63, wherein the arc-shaped front section 61, the standard section 62 and the arc-shaped tail section 63 are connected into a whole by using a vertical connecting bolt 64 and a transverse connecting bolt 65.
As shown in fig. 1 and 2, the extension screw 46 on the movable formwork support is fixed to the splicing side mold 5 on the inner side of the concrete guardrail 1, the longitudinal support rod 47 is fixed to the splicing side mold 5 on the outer side of the concrete guardrail 1, when the formwork is removed, the extension screw 46 is contracted to separate the splicing side mold 5 on the inner side from the concrete guardrail 1, then the movable formwork support is integrally moved outwards to drive the splicing side mold 5 on the outer side to be separated from the concrete guardrail 1, so that the formwork removal operation is completed, and after the construction of the concrete guardrail 1 of the current section is completed, the movable formwork support is longitudinally moved to perform the construction operation of the concrete guardrail 1 of the next section; the vertical screw 46 is fixed to the embedded threaded sleeve 31, and the embedded threaded sleeve 31 and the embedded earring 32 are suspended on the movable formwork support, so that the embedded threaded sleeve 31 and the embedded earring 32 can be prevented from shifting in the pouring process of the concrete guardrail 1. There is earring through-hole 52 on the concatenation side form 5, pre-buried earring 32 wears out from earring through-hole 52, avoids pre-buried earring 32 and concatenation side form 5 conflict mutually.
As shown in fig. 6 and 9, the false seam mold 6 is suspended on the movable formwork support, and the vertical connecting bolt 64 is fixed in the vertical threaded sleeve 48, so that the false seam mold 6 is prevented from shifting in the concrete guardrail 1 pouring process; the false seam mould 6 can be freely combined according to the width and the depth of the false seam, and the engineering applicability of the false seam mould 6 is improved.
Claims (7)
1. The cast-in-place reinforced concrete detachable combined guardrail is characterized by comprising a concrete guardrail (1) and a detachable guardrail (2), wherein the concrete guardrail (1) is integrally cast, and the detachable guardrail (2) is arranged at the top of the concrete guardrail (1); an embedded threaded sleeve (31) and an embedded earring (32) are arranged in the concrete guardrail (1); the detachable guardrail (2) consists of a movable base (21), a longitudinal steel pipe (22), a rotary support shaft (23) and a fastening bolt (24); the longitudinal steel pipe (22) is fixed on the movable base (21), one end of the rotating support shaft (23) is fixed with the movable base (21), the other end of the rotating support shaft (23) is hinged to the embedded ear ring (32), and the fastening bolt (24) penetrates through a bolt hole in the movable base (21) and is anchored in the embedded threaded sleeve (31).
2. The detachable cast-in-place reinforced concrete combined guardrail as claimed in claim 1, wherein: the embedded threaded sleeve (31) and the embedded earrings (32) are connected and fixed through connecting steel plates (33).
3. The cast-in-place reinforced concrete detachable combined guardrail as claimed in claim 1, wherein: and structural reinforcing bars (11) are arranged in the concrete guardrail (1).
4. A construction device of a detachable combination guardrail of cast-in-place reinforced concrete as claimed in claim 1, wherein: comprises a movable formwork support, a splicing side mould (5) and a false seam mould (6); the movable formwork support mainly comprises a U-shaped support (41), a base (42), an inclined stay bar (43), a balance weight (44), a universal wheel (45), an extension screw (46), a longitudinal support bar (47), a vertical threaded sleeve (48) and a vertical screw (49), wherein the U-shaped support (41) is fixed on the base (42), the universal wheel (45) is installed below the base (42), the extension screw (46) and the longitudinal support bar (47) are respectively installed and fixed on two vertical rod pieces of the U-shaped support (41), the vertical threaded sleeve (48) is installed and fixed on the lower portion of a horizontal rod piece of the U-shaped support (41), and the vertical screw (49) is located in the vertical threaded sleeve (48); an inclined support rod (43) is arranged between the U-shaped bracket (41) and the base (42), and a counterweight (44) is arranged on the base (42); the splicing side molds (5) are positioned at two sides of a structural reinforcement (11) of the concrete guardrail (1); the splicing side molds (5) are steel templates, and the adjacent splicing side molds (5) are spliced and fixed through fixing bolts (51); the false seam mould (6) mainly comprises an arc-shaped front section (61), a standard section (62) and an arc-shaped tail section (63), wherein the arc-shaped front section (61), the standard section (62) and the arc-shaped tail section (63) are connected into a whole through a vertical connecting bolt (64) and a transverse connecting bolt (65).
5. The construction equipment of the detachable combined guardrail made of cast-in-place reinforced concrete as claimed in claim 4, wherein: the extension screw rod (46) on the movable formwork support is fixed with the splicing side die (5) on the inner side of the concrete guardrail (1), and the longitudinal support rod (47) is fixed with the splicing side die (5) on the outer side of the concrete guardrail (1).
6. The cast-in-place reinforced concrete detachable combined guardrail construction device as claimed in claim 4, wherein: the splicing side die (5) is provided with an earring through hole (52), and the embedded earring (32) penetrates out of the earring through hole (52).
7. The cast-in-place reinforced concrete detachable combined guardrail construction device as claimed in claim 4, wherein: the false seam mould (6) is suspended on the movable mould support, and the vertical connecting bolt (64) is fixed in the vertical threaded sleeve (48).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220231021.4U CN217298623U (en) | 2022-01-24 | 2022-01-24 | Cast-in-place reinforced concrete detachable combined guardrail and construction device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220231021.4U CN217298623U (en) | 2022-01-24 | 2022-01-24 | Cast-in-place reinforced concrete detachable combined guardrail and construction device |
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| CN217298623U true CN217298623U (en) | 2022-08-26 |
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| CN202220231021.4U Active CN217298623U (en) | 2022-01-24 | 2022-01-24 | Cast-in-place reinforced concrete detachable combined guardrail and construction device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114277696A (en) * | 2022-01-24 | 2022-04-05 | 杭州江润科技有限公司 | Cast-in-place reinforced concrete detachable combined guardrail and construction method |
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- 2022-01-24 CN CN202220231021.4U patent/CN217298623U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114277696A (en) * | 2022-01-24 | 2022-04-05 | 杭州江润科技有限公司 | Cast-in-place reinforced concrete detachable combined guardrail and construction method |
| CN114277696B (en) * | 2022-01-24 | 2024-05-24 | 杭州江润科技有限公司 | Cast-in-situ reinforced concrete detachable combined guardrail and construction method |
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