CN209891072U - Box girder roof reserved hole seals anchor regularization handling frame - Google Patents
Box girder roof reserved hole seals anchor regularization handling frame Download PDFInfo
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- CN209891072U CN209891072U CN201822244716.2U CN201822244716U CN209891072U CN 209891072 U CN209891072 U CN 209891072U CN 201822244716 U CN201822244716 U CN 201822244716U CN 209891072 U CN209891072 U CN 209891072U
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Abstract
The utility model relates to a box girder roof preformed hole seals anchor regularization handling frame, sets up the preformed anchor groove on the box girder, predetermines built-in ground tackle and connection tongue-and-groove in the preformed anchor groove; an outer-layer reinforcing pipe is preset at the reserved anchor groove part of the box girder, an external connecting rib and a pipe side waterproof body are arranged on the outer side of the outer-layer reinforcing pipe, and an upper-layer elastic rib and a lower-layer elastic rib are arranged on the inner side of the outer-layer reinforcing pipe; a strut bottom beam and a hanging chain lifting device are arranged on a box girder at the outer layer reinforcing pipe part, and a strut upright post and a strut top plate are sequentially arranged on the strut bottom beam; the upper surface of the top plate of the support frame is provided with a top guide hinge, the lower surface of the top plate of the support frame is provided with an auxiliary positioning rod, and the lower end part of the auxiliary positioning rod is provided with a connecting cross beam; one end of the built-in hanging chain is connected with the hanging chain lifting device, and the other end of the built-in hanging chain penetrates through the top guide hinge and the hanging chain fastening bolt in sequence and then is connected with the hanging balance plate; the hoisting balance plate is connected with the extending end of the built-in hoisting chain and the remaining anchor bolt in the reserved anchor groove. The utility model discloses can promote the wholeness of site operation structure, reduce the degree of difficulty of hoist and mount location.
Description
Technical Field
The utility model relates to a site operation is convenient, to the little case roof beam of case roof beam damage reserve the hole and seal anchor regularization handling frame belongs to the bridge engineering field, is applicable to the case roof beam and reserves the hole and seal anchor construction.
Background
When the concrete box girder is constructed, in order to meet the requirement of tensioning prestressed reinforcing steel bars in the box girder, holes are reserved in a box girder top plate and are used as channels for access of construction equipment. During hoisting and positioning construction, the problems of inaccurate jack on-site positioning, low integral strength of the structure, high on-site construction difficulty and the like often exist, and the efficiency and the quality of on-site construction are seriously influenced.
The existing operation frame for sealing, anchoring and shaping the reserved hole on the box girder top plate in the prior art is characterized in that the operation frame consists of a bottom anchoring steel plate, anchoring bolts, bolt steel pressing plates and double nuts; the anchor bolt penetrates through a bottom anchor steel plate and is welded firmly with the bottom anchor steel plate, a nail penetrates through a fixing hole and is fixed on a template, a release agent is coated on the bottom anchor steel plate or a plastic film is paved on the bottom anchor steel plate, a PVC (polyvinyl chloride) pipe is sleeved on the anchor bolt, a beam-slab concrete structural engineering is constructed according to design and specification, after the beam-slab structural engineering reaches the strength, the profile steel cantilever beam is arranged between the anchor bolts, a bolt-steel pressing plate is used for pressing tightly, a double-matched nut is used for screwing, and a gap between the profile steel cantilever beam and the anchor bolt is plugged by a wood wedge, so that the fixed installation of the profile steel cantilever beam is; when the beam plate is disassembled, the double matched nuts are loosened, the bolt steel pressing plate is taken away, and the bolt steel pressing plate is taken out from the lower part of the beam plate, so that the turnover use is realized. This construction technology has solved the box girder roof to a certain extent and has sealed the construction problem, and the cost can effective control moreover, but this seal anchor suspends operation platform in midair and has the structural integrity not enough, and seam infiltration problem and concrete compactness hang down the scheduling problem.
In view of this, in order to improve the quality and efficiency of on-site construction, the invention of the box girder top plate reserved hole sealing, anchoring and sizing operation frame which is convenient for on-site construction, has small damage to the box girder and can effectively protect the construction environment is urgently needed.
Disclosure of Invention
An object of the utility model is to provide a wholeness that not only can promote site operation quality and construction structures can improve the case roof beam that the degree of difficulty of hoist and mount location moreover and reserve the hole and seal anchor regularization handling frame.
In order to achieve the technical purpose, the utility model adopts the following technical scheme:
the box girder top plate reserved hole anchoring and shaping operation frame is characterized in that a reserved anchor groove is formed in a box girder, and a built-in anchorage device and a connecting mortise are preset in the reserved anchor groove; an outer-layer reinforcing pipe is preset at the reserved anchor groove part of the box girder, an external connecting rib and a pipe side waterproof body are arranged on the outer side of the outer-layer reinforcing pipe, and an upper-layer elastic rib and a lower-layer elastic rib are arranged on the inner side of the outer-layer reinforcing pipe; a strut bottom beam and a hanging chain lifting device are arranged on a box girder at the outer layer reinforcing pipe part, and a strut upright post and a strut top plate are sequentially arranged on the strut bottom beam; the upper surface of the top plate of the support frame is provided with a top guide hinge, the lower surface of the top plate of the support frame is provided with an auxiliary positioning rod, and the lower end part of the auxiliary positioning rod is provided with a connecting cross beam; the connecting beam is provided with a fastening bolt positioning plate and a lifting chain fastening bolt; one end of the built-in hanging chain is connected with the hanging chain lifting device, and the other end of the built-in hanging chain penetrates through the top guide hinge and the hanging chain fastening bolt in sequence and then is connected with the hanging balance plate; the hoisting balance plate is connected with the extending end of the built-in hoisting chain and the remaining anchor bolt in the reserved anchor groove; after the anchor cable is arranged at a set position in a penetrating mode, the tensioning jack connected with the jack hoop is lifted to the lower portion of the lifting balance plate, and the spatial position of the tensioning jack is adjusted through the lifting adjusting rod.
Furthermore, anchorage device connecting ribs are arranged on the outer side of the built-in anchorage device along the annular direction.
The auxiliary positioning rod is formed by combining a screw rod and a bolt, the length of the screw rod can be adjusted through the bolt, and the hanging chain fastening bolts are arranged in 2 ~ 3 rows along the height direction of the fastening bolt positioning plate, are welded with the fastening bolt positioning plate and are connected with the built-in hanging chain through the bolt.
The utility model has the following characteristics and beneficial effects
(1) The utility model discloses the outer reinforcement pipe of roof is high with case roof beam joint strength to can effectively solve the problem that seam infiltration problem and concrete compactness are low.
(2) The utility model discloses stretch-draw, fastening control accuracy to built-in chain sling are high, can effectively solve the not hard up problem of built-in chain sling.
(3) The utility model discloses accessible hoist and mount balancing plate carries out accurate control to the spatial position of jack-draw, has reduced the degree of difficulty of jack-draw location.
Drawings
Fig. 1 is the utility model discloses box girder roof reserves the hole and seals anchor regularization handling frame structure sketch map.
In the figure: 1-a box girder; 2-outer layer reinforcement pipe; 3, reserving an anchor groove; 4-an internal anchorage device; 5-connecting the mortises; 6-connecting ribs outside the pipe; 7-pipe side water-proof body; 8-upper layer elastic ribs; 9-lower layer elastic ribs; 10-anchor cable; 11-a corbel of the strut; 12-a sling chain lifting device; 13-a strut upright; 14-a top plate of the bracket; 15-top guide hinge; 16-auxiliary positioning rod; 17-connecting the cross beam; 18-fastening bolt positioning plate; 19-a sling chain fastening bolt; 20-hoisting a balance plate; 21-an indwelling anchor bolt; 22-jack hoop; 23-tensioning a jack; 24-hoisting an adjusting rod; 25-anchor connecting ribs; 26-built-in sling chain.
Detailed Description
Prestressing force stretch-draw construction technical requirement, on-the-spot hoist and mount construction technical requirement, concrete mix proportion design and pouring construction technical requirement, seal anchor and suspend operation platform preparation in midair and installation construction technical requirement etc. no longer give unnecessary details in this embodiment, the key explanation the utility model relates to a method's embodiment.
Fig. 1 is the utility model discloses box girder roof reserves the hole and seals anchor regularization handling frame structure sketch map. Referring to fig. 1, the utility model relates to a box girder roof reserved hole anchor sealing and shaping handling frame, a reserved anchor groove 3 is arranged on a box girder 1, and a built-in anchorage device 4 and a connecting mortise 5 are preset in the reserved anchor groove 3; an outer-layer reinforcing pipe 2 is preset at the position of a reserved anchor groove 3 of the box girder 1, an external connecting rib 6 and a pipe side waterproof body 7 are arranged on the outer side of the outer-layer reinforcing pipe 2, and an upper-layer elastic rib 8 and a lower-layer elastic rib 9 are arranged on the inner side; a strut bottom beam 11 and a hanging chain lifting device 12 are arranged on the box girder 1 at the outer layer reinforcing pipe 2 part, and a strut upright post 13 and a strut top plate 14 are sequentially arranged on the strut bottom beam 11; a top guide hinge 15 is arranged on the upper surface of a top plate 14 of the support frame, an auxiliary positioning rod 16 is arranged on the lower surface of the top plate, and a connecting cross beam 17 is arranged at the lower end part of the auxiliary positioning rod 16; a fastening bolt positioning plate 18 and a hanging chain fastening bolt 19 are arranged on the connecting cross beam 17; one end of the built-in hanging chain 26 is connected with the hanging chain lifting device 12, and the other end of the built-in hanging chain passes through the top guide hinge 15 and the hanging chain fastening bolt 19 in sequence and then is connected with the hanging balance plate 20; the hoisting balance plate 20 is connected with the extending end of the built-in chain 26 and the remaining anchor bolt 21 in the reserved anchor groove 3; after the anchor cable 10 is inserted to a set position, the tensioning jack 23 connected with the jack hoop 22 is lifted to the lower part of the lifting balance plate 20, and the spatial position of the tensioning jack 23 is adjusted through the lifting adjusting rod 24.
The box girder 1 is of a cast-in-place reinforced concrete structure, and the strength grade of concrete is C50.
The outer reinforcing pipe 2 has a diameter of 100mm and a wall thickness of 1 mm.
The depth of the reserved anchor groove 3 is 20cm, and the width of the reserved anchor groove is 40 cm.
The built-in anchorage device 4 is a prestressed anchorage cable clamp and is matched with the anchorage cable 10; the anchor cable 10 is made of a steel strand with a steel strand diameter of 21.6 mm.
The connecting mortise 5 has a depth of 3cm and a width of 6 cm.
The external connecting rib 6 adopts a twisted steel bar with the diameter of 18mm and the length of 20 cm.
The pipe side waterproof body 7 is formed by cutting a rubber plate and is connected with the outer layer reinforcing pipe 2 in a sticking way.
The upper elastic rib 8 and the lower elastic rib 9 are elastic steel sheets with the length of 6cm, and one end of each elastic steel sheet is connected with the outer reinforcing pipe 2 in a sticking mode.
The bottom beam 11 of the bracket is formed by rolling a steel plate with the thickness of 2mm, and the width of the bottom beam is 40 cm.
The hoist chain lifting device 12 employs a 380v traction motor.
The strut upright 13 is made by rolling H-shaped steel with the specification of 200 multiplied by 8 multiplied by 12.
The top plate 14 of the bracket is made of a steel plate with the thickness of 2mm and is vertically welded and connected with the upright 13 of the bracket.
The top guide hinge 15 was a 4 "steel pulley.
The auxiliary positioning rod 16 is formed by combining a screw rod and a bolt, the length of the screw rod can be adjusted through the bolt, and the diameter of the screw rod is 30 mm.
The connecting beam 17 is formed by rolling a steel plate with the thickness of 2mm, the width of the connecting beam is 10cm, and the length of the connecting beam is 20 cm.
The fastening bolt positioning plate 18 is formed by rolling a steel plate with the thickness of 1mm, and the width of the steel plate is 6 cm.
The sling chain fastening bolts 19 are arranged in 2 rows along the height direction of the fastening bolt positioning plate 18, are welded with the fastening bolt positioning plate 18 and are connected with the built-in sling chain 26 through bolts.
The hoisting balance plate 20 is formed by rolling a steel plate with the thickness of 2mm, the width of the hoisting balance plate is 20cm, and the length of the hoisting balance plate is 40 cm.
The indwelling anchor bolt 21 is made of a twisted steel bar with a diameter of 32mm and a length of 30 cm.
The jack hoop 22 is formed by rolling a steel plate with the thickness of 1mm and the width of 6 cm.
The tension jack 23 is a YCW series straight-through jack with a stroke of 200mm and a drawing force of 90 t.
The hoisting adjusting rod 24 adopts a screw rod with the diameter of 22 m.
The anchorage device connecting bar 25 is a twisted steel bar with the diameter of 12 mm.
The internal hoist chain 26 employs a G80 grade hoist chain.
Claims (3)
1. The box girder roof reserved hole seals anchor regularization handling frame, characterized by that to set up the reserved anchor groove (3) on the box girder (1), preserve anchor (4) and connect the tongue-and-groove (5) in the anchor groove (3) inside; an outer-layer reinforcing pipe (2) is preset at the position of a reserved anchor groove (3) of a box girder (1), an outer-pipe connecting rib (6) and a pipe-side waterproof body (7) are arranged on the outer side of the outer-layer reinforcing pipe (2), and an upper-layer elastic rib (8) and a lower-layer elastic rib (9) are arranged on the inner side of the outer-layer reinforcing pipe; a strut bottom beam (11) and a sling chain lifting device (12) are arranged on a box girder (1) at the position of the outer layer reinforcing pipe (2), and a strut upright post (13) and a strut top plate (14) are sequentially arranged on the strut bottom beam (11); the upper surface of a strut top plate (14) is provided with a top guide hinge (15), the lower surface is provided with an auxiliary positioning rod (16), and the lower end part of the auxiliary positioning rod (16) is provided with a connecting cross beam (17); a fastening bolt positioning plate (18) and a hanging chain fastening bolt (19) are arranged on the connecting cross beam (17); one end of the built-in hanging chain (26) is connected with the hanging chain lifting device (12), and the other end of the built-in hanging chain passes through the top guide hinge (15) and the hanging chain fastening bolt (19) in sequence and then is connected with the hoisting balance plate (20); the hoisting balance plate (20) is connected with the extending end of the built-in hoisting chain (26) and a remaining anchor bolt (21) in the reserved anchor groove (3); after the anchor cable (10) is arranged at a set position in a penetrating mode, the tensioning jack (23) connected with the jack hoop (22) is lifted to the lower portion of the lifting balance plate (20), and the spatial position of the tensioning jack (23) is adjusted through the lifting adjusting rod (24).
2. The box girder roof plate preformed hole seals anchor regularization handling frame of claim 1 characterized in that: and anchor connecting ribs (25) are arranged on the outer side of the built-in anchor (4) along the annular direction.
3. The box girder top plate reserved hole anchoring and finalizing operation frame is characterized in that the auxiliary positioning rod (16) is formed by combining a screw rod and a bolt, the length of the screw rod can be adjusted through the bolt, and the sling chain fastening bolts (19) are arranged in 2 ~ 3 rows along the height direction of the fastening bolt positioning plate (18), are connected with the fastening bolt positioning plate (18) in a welding mode, and are connected with the built-in sling chain (26) through the bolt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822244716.2U CN209891072U (en) | 2018-12-28 | 2018-12-28 | Box girder roof reserved hole seals anchor regularization handling frame |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822244716.2U CN209891072U (en) | 2018-12-28 | 2018-12-28 | Box girder roof reserved hole seals anchor regularization handling frame |
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| Publication Number | Publication Date |
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| CN209891072U true CN209891072U (en) | 2020-01-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201822244716.2U Active CN209891072U (en) | 2018-12-28 | 2018-12-28 | Box girder roof reserved hole seals anchor regularization handling frame |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111335165A (en) * | 2020-03-04 | 2020-06-26 | 中铁第四勘察设计院集团有限公司 | Construction method for sealing anchor and auxiliary anchor sealing structure thereof |
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2018
- 2018-12-28 CN CN201822244716.2U patent/CN209891072U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111335165A (en) * | 2020-03-04 | 2020-06-26 | 中铁第四勘察设计院集团有限公司 | Construction method for sealing anchor and auxiliary anchor sealing structure thereof |
| CN111335165B (en) * | 2020-03-04 | 2021-11-16 | 中铁第四勘察设计院集团有限公司 | Construction method for sealing anchor and auxiliary anchor sealing structure thereof |
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