CN204591280U - A kind of mobile platform structure for pipe curtain jacking construction - Google Patents
A kind of mobile platform structure for pipe curtain jacking construction Download PDFInfo
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- CN204591280U CN204591280U CN201520261058.1U CN201520261058U CN204591280U CN 204591280 U CN204591280 U CN 204591280U CN 201520261058 U CN201520261058 U CN 201520261058U CN 204591280 U CN204591280 U CN 204591280U
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Abstract
The utility model discloses a kind of mobile platform structure for pipe curtain jacking construction, comprise base of frame crossbeam, base of frame crossbeam is provided with upright of frame, the top of upright of frame is provided with crane crossbeam, platform skeleton is provided with below crane crossbeam, several elastic metallic balls are evenly provided with in described upright of frame, adjacent elastic metallic ball is connected by head rod, in crane crossbeam, horizontal direction is provided with two the second connecting rods be hinged, two the second connecting rods are coupling with the head rod in the upright of frame of both sides respectively, platform skeletal internal is provided with the 3rd connecting rod that three head and the tail are coupling mutually, the position at the position that is coupling of third connecting rod lays respectively at two ends and the top of platform skeleton, two the 3rd connecting rods are connected by spring pad by the position that is coupling being positioned at platform skeleton two ends, spring pad and elastic metallic ball close contact.The utility model improves the load bearing capacity of construction platform.
Description
Technical field
The utility model relates to pipe curtain pipe jacking construction technique field, especially a kind of mobile platform structure for pipe curtain jacking construction.
Background technology
New pipe-roof method is brand-new tunneling engineering method, and it utilizes large diameter jacking construction, forms all or part of permanent reinforced concrete structure, under the supporting of this permanent reinforced concrete structure, carries out hidden digging structure earthwork heavy excavation, finally completes whole underground structure.In the face of the traffic of urban congestion, the standing in great numbers and underground utilities intensive of building structure, how to select suitable construction method to be the problem that each side is concerned about to develop the underground space, new pipe-roof method more and more be have selected application.
The construction of pipe curtain is generally realized by both sides active well, pipe curtain active well is generally rectangular configuration, the degree of depth is large, construction space is narrow and small, because the stable of active well structure will be ensured, concrete support structure is established in top, centre, bottom, the space that active well can be lifted by crane becomes narrower and small, most tube coupling and construction parts directly can not lift by crane and put in place, needing to re-use the aids such as electric hoist coordinates artificial lifting to put in place, not only take a lot of work but also time-consuming, again have bad luck the parts more than 4 tons in small space, add construction risk.
Such as connecting line Gong Bei, port Zhuhai and Macao bridge Zhuhai tunnel excavation section adopts " curve pipe curtain+freezing process " construction, push pipe average length 257.927m/ root, the pipe curtain be made up of 36 φ 1620mm pipes, and tube pitch is 35cm, the heavy 4.4t of single tube coupling.Active well headroom is of a size of: long 24m, wide 10.7m, dark 27.5m, and active well is divided into the upper and lower two parts of 13.5m and 14m by middle plate.Need many steel pipes to construct according to construction organization, push pipe complex procedures simultaneously, from starting well jacking, finish receiving to received well, each operation all will use operation platform to carry out auxiliary construction.The duration of every root push pipe is about one month, requires safe and reliable stable operation platform.The securing member of the general direct employing rigidity of existing operation platform is directly connected and fixed, and the load bearing capacity of its entirety is strong not.
Utility model content
The technical problems to be solved in the utility model is to provide a kind of mobile platform structure for pipe curtain jacking construction, can solve the deficiencies in the prior art, improve the load bearing capacity of construction platform.
For solving the problems of the technologies described above, technical solution adopted in the utility model is as follows.
A kind of mobile platform structure for pipe curtain jacking construction, comprise base of frame crossbeam, base of frame crossbeam is provided with upright of frame, the top of upright of frame is provided with crane crossbeam, platform skeleton is provided with below crane crossbeam, several elastic metallic balls are evenly provided with in described upright of frame, adjacent elastic metallic ball is connected by head rod, in crane crossbeam, horizontal direction is provided with two the second connecting rods be hinged, two the second connecting rods are coupling with the head rod in the upright of frame of both sides respectively, the bottom of the hinged place of two the second connecting rods is provided with hard metal cushion block, the end face of hard metal cushion block is provided with arc groove, the top of the hinged place of two the second connecting rods is provided with soft rubber cushion block, platform skeletal internal is provided with the 3rd connecting rod that three head and the tail are coupling mutually, the position at the position that is coupling of third connecting rod lays respectively at two ends and the top of platform skeleton, two the 3rd connecting rods are connected by spring pad by the position that is coupling being positioned at platform skeleton two ends, spring pad and elastic metallic ball close contact, the first reinforcing rib is provided with between the two ends of be coupling position and the platform skeleton at platform skeleton top, the arranged outside of elastic metallic ball has the second reinforcing rib.
As preferably, between described base of frame crossbeam and upright of frame, be provided with raker beam.
As preferably, described platform skeleton slid underneath is hung and is connected to hanging basket, and platform skeleton is provided with guardrail.
The beneficial effect adopting technique scheme to bring is: the utility model by arranging elastic metallic ball in upright of frame, corresponding elastic deformation is carried out when whole platform is subject to different load, by head rod, this elastic deformation is passed to crane crossbeam and platform skeleton respectively, and simultaneously by feedback loading that crane crossbeam and platform skeleton are subject to on elastic metallic ball, make whole operation platform form the entirety of a bearing load.When platform skeleton being installed jumbo or have other load, 3rd connecting rod can produce an extruding force to two ends expansion, this extruding force is passed to crane crossbeam by elastic metallic ball and head rod, make the hinged place of the second connecting rod form a mobile trend upwards, the downward drag force that crane crossbeam is subject to just can balance by this.First reinforcing rib can improve the supporting capacity of platform skeleton for longitudinal load, when elastic metallic ball is by head rod compressional deformation, second reinforcing rib more firmly can be connected with the work plane outside operation platform under the promotion of resilient pressing force, thus improves the fastness of whole operation platform.Raker beam is used for improving the connectivity robustness of base of frame crossbeam and upright of frame, and hanging basket is used for staff and takes and carry out operation inspection to working face, and guardrail serves the effect protecting personal security.Hard metal cushion block can limit the second connecting rod hinge point and move down, and arc groove is for holding the hinge point of the second connecting rod, and soft rubber cushion block can cushion the displacement upwards of the hinge point of the second connecting rod.
Accompanying drawing explanation
Fig. 1 is the structure chart of the utility model detailed description of the invention.
In figure: 1, base of frame crossbeam; 2, upright of frame; 3, crane crossbeam; 4, platform skeleton; 5, elastic metallic ball; 6, head rod; 7, the second connecting rod; 8, hard metal cushion block; 9, arc groove; 10, soft rubber cushion block; 11, the 3rd connecting rod; 12, the first reinforcing rib; 13, the second reinforcing rib; 14, raker beam; 15, hanging basket; 16, guardrail; 17, spring pad.
Detailed description of the invention
The standardized element used in the utility model all can be commercially, shaped piece all can carry out customized according to manual with the record of accompanying drawing, the concrete connected mode of each part all adopts the conventional means such as bolt, rivet, welding, stickup ripe in prior art, is not described in detail in this.
With reference to Fig. 1, the utility model detailed description of the invention comprises base of frame crossbeam 1, base of frame crossbeam 1 is provided with upright of frame 2, the top of upright of frame 2 is provided with crane crossbeam 3, platform skeleton 4 is provided with below crane crossbeam 3, several elastic metallic balls 5 are evenly provided with in described upright of frame 2, adjacent elastic metallic ball 5 is connected by head rod 6, in crane crossbeam 3, horizontal direction is provided with two the second connecting rods 7 be hinged, two the second connecting rods 7 are coupling with the head rod 6 in the upright of frame 2 of both sides respectively, the bottom of the hinged place of two the second connecting rods 7 is provided with hard metal cushion block 8, the end face of hard metal cushion block 8 is provided with arc groove 9, the top of the hinged place of two the second connecting rods 7 is provided with soft rubber cushion block 10, platform skeleton 4 inside is provided with the 3rd connecting rod 11 that three head and the tail are coupling mutually, the position at the position that is coupling of third connecting rod 11 lays respectively at two ends and the top of platform skeleton 4, two the 3rd connecting rods 11 are connected by spring pad 17 by the position that is coupling being positioned at platform skeleton 4 two ends, spring pad 17 and elastic metallic ball 5 close contact, the first reinforcing rib 12 is provided with between the two ends of be coupling position and the platform skeleton 4 at platform skeleton 4 top, the arranged outside of elastic metallic ball 5 has the second reinforcing rib 13.Elastic metallic ball 5 carries out corresponding elastic deformation when whole platform is subject to different load, by head rod 6, this elastic deformation is passed to crane crossbeam 3 and platform skeleton 4 respectively, and simultaneously by feedback loading that crane crossbeam 3 and platform skeleton 4 are subject to on elastic metallic ball 5, make whole operation platform form the entirety of a bearing load.When platform skeleton 4 being installed jumbo or have other load, 3rd connecting rod 11 can produce an extruding force to two ends expansion, this extruding force is passed to crane crossbeam 3 by elastic metallic ball 5 and head rod 6, make the hinged place of the second connecting rod 7 form a mobile trend upwards, the downward drag force that crane crossbeam 3 is subject to just can balance by this.First reinforcing rib 12 can improve the supporting capacity of platform skeleton 4 for longitudinal load, when elastic metallic ball 5 is by head rod 6 compressional deformation, second reinforcing rib 13 more firmly can be connected with the work plane outside operation platform under the promotion of resilient pressing force, thus improves the fastness of whole operation platform.Be provided with raker beam 14 between base of frame crossbeam 1 and upright of frame 2, raker beam 14 is used for improving the connectivity robustness of base of frame crossbeam 1 and upright of frame 2.Platform skeleton 4 slid underneath is hung and is connected to hanging basket 15, platform skeleton 4 is provided with guardrail 16, and hanging basket 15 is taken for staff and carried out operation inspection to working face, and guardrail 16 serves the effect of protection personal security.
Base of frame crossbeam 1 adopts 16mm steel plate to be welded, and sectional dimension is 300 × 300mm, and two ends are provided with junction steel plate and are connected with column.Upright of frame 2 adopts 16mm steel plate to be welded, sectional dimension is 300 × 300mm, lateral longitudinal arranges two row Φ 20mm bolts hole to 150mmm distance, platform skeleton is fixed by platform skeleton mounting angle plate by side bolt hole, opposite side bolt hole is connected with inside lining joist anchor fixing bolt, inside lining joist anchor fixing bolt longitudinal pitch 2.0m.Upright of frame 2 two ends are provided with junction steel plate, and the every 300mm in middle part establishes one stiffened steel plates.This cross section arranges that advantage is in less floor space, greatly improve the rigidity of column, upright of frame 2 is facilitated to be connected with platform skeleton mounting angle plate bolt, and special groove can link together closely with platform skeleton, strengthen the stable of the automatic mobile platform of jacking construction.The minor face framework section of beam of crane crossbeam 3 is of a size of 300 (wide) × 500mm (height), the wing plate of beam adopts 24mm steel plate, web and stiffened steel plates adopt 16mm steel plate, in stiffened steel plates beam, every 1200mm establishes together, track is provided with in the middle of minor face cruciform bracing top, there is crane walking stopping means at track two ends, and bottom, minor face cruciform bracing two ends is provided with four Φ 20mm bolts hole, is connected with column termination junction plate.
Owing to just in time having root pipe curtain at the automatic mobile platform center pillar of pipe curtain jacking construction, in order to not affect the construction of this pipe curtain, crane runway beam in the middle of top is designed to two ladder beam folded wrong up and down, upper ladder ellbeam sectional dimension is: upper wide 680mm, lower wide 500mm, high 300mm; Bottom ladder beam sectional dimension is: upper wide 500mm, lower wide 300mm, high 300mm; The wing plate of beam adopts 24mm steel plate, and web, stiffened steel plates and junction plate adopt 16mm steel plate, and in stiffened steel plates beam, every 1200mm establishes together.Upper ladder ellbeam upper plate both sides are provided with twice 70 track, and there is crane walking stopping means at track two ends; 24 Φ 20mm bolts hole are also respectively established in upper ladder ellbeam upper plate termination, are connected with long margin frame frame crossbeam lower plate; Upper ladder ellbeam lower plate establishes two row Φ 20mm bolts hole, and spacing 300mm, is connected with bottom ladder beam upper plate.Bottom ladder beam upper plate two arranges the long ellipse bolt hole of 120mm, and spacing 300mm is connected with upper ladder ellbeam lower plate, and long ellipse bolt hole can meet the requirement of contraposition and dislocation simultaneously; Bottom ladder beam lower plate arranges 8 Φ 20mm bolts hole apart from 2400mm place, termination, adopts diagonal brace to be connected, so just meet the needs in pipe curtain jacking construction space with center pillar.
Crane runway beam in the middle of bottom: in the middle of bottom, crane runway beam adopts ladder beam, and sectional dimension is: upper wide 680mm, lower wide 300mm, high 600mm; The wing plate of beam adopts 24mm steel plate, and web, stiffened steel plates and junction plate adopt 16mm steel plate, and in stiffened steel plates beam, every 1200mm establishes together.Ladder beam upper plate both sides are provided with twice 70 track, and there is crane walking stopping means at track two ends; 24 Φ 20mm bolts hole are also respectively established in ladder beam upper plate termination, are connected with long margin frame frame crossbeam lower plate; 4 Φ 20mm bolts hole are also respectively established in lower plate termination, are connected with central post termination junction plate; Lower plate arranges 8 Φ 20mm bolts hole apart from 2400mm place, termination, adopts diagonal brace to be connected with center pillar.
Diagonal brace: diagonal brace is 45 degree, sectional dimension is 300 × 300mm I-shaped die, and wing plate adopts 16mm steel plate, and web adopts 10mm steel plate, and two ends are provided with the junction plate be connected with beam, post, and junction plate thickness is 16mm.
Crane crossbeam: crane section of beam is of a size of 300 (wide) × 500mm (height), the wing plate of beam adopts 20mm steel plate, web and stiffened steel plates adopt 16mm steel plate, in stiffened steel plates beam, every 1200mm establishes together, be provided with track in the middle of crossbeam top, there is crane walking stopping means at track two ends.Crane crossbeam two ends are provided with crane wheel walking groove, and groove steel plate thickness is 20mm.Crane crossbeam, arranging hog frame near inwall side, to ensure structural safety, need not be arranged near center pillar side.
Crane crossbeam hog frame: crane crossbeam hog frame sectional dimension is increased to 300 × 300mm I-shaped die at termination 300 × 120mm I-shaped die gradually to 540mm place, the wing plate of beam adopts 16mm steel plate, web and stiffened steel plates adopt 10mm steel plate, hog frame lower plate arranges 14 Φ 20mm bolts hole and is connected with crane crossbeam, to strengthen the stable of crane girder.
Platform skeleton regulates mounting angle plate: platform skeleton regulates mounting angle plate to adopt the processing of 20mm steel plate, is of a size of 300 × 400mm, Φ 20mm bolt hole 6 with column junction steel plate; 300 × 500mm is of a size of, Φ 20mm bolt hole 8 with operation platform skeleton junction steel plate.
Platform skeletal support beam: platform skeletal support beam has twice, between adopt platform skeleton connecting cross beam be connected.Platform skeletal support beam section is of a size of 500 (wide) × 500mm (height), the wing plate of beam adopts 30mm steel plate, web and stiffened steel plates adopt 16mm steel plate, support cylinder seat and leading screw seat place arrange stiffened steel plates, in beam, every 1200mm establishes together, termination, brace summer two ends is provided with structure male member, 30m, 16mm steel plate is adopted to be welded, for inserting in stake pocket, make operation platform entirety more stable, brace summer two ends lower plate is provided with 8 Φ 20mm bolts hole, regulates mounting angle plate to be connected with platform skeleton.Platform skeletal support beam upper plate arranges two row Φ 20mm bolts hole, and spacing 300mm, for installing horizontal adjustable ear pushing, utilizes cross cylinder that operation platform is moved horizontally.Apart from 635mmm place, termination lower plate welding support cylinder seat, support leading screw seat apart from the welding of 1590mmm place, termination lower plate; Platform skeletal support beam is provided with platform guardrail jack.
Platform skeleton connecting cross beam: the crossbeam connecting two platform skeletal support beams, sectional dimension is 200 (wide) × 200mm (height), the wing plate of beam adopts 16mm steel plate, web and employing 10m steel plate, beam two ends are provided with the junction plate be connected with platform skeletal support beam, are provided with 4 Φ 20mm bolts hole.
Support leading screw seat, support cylinder seat: adopt 20mm steel plate to process, junction plate is of a size of 200 (wide) × 360mm (height), is provided with 6 Φ 20mm bolts hole, trestle column 100mm, pitch of holes 200mm; Engaging lug bore dia is 65mm.Supporting leading screw (oil cylinder) seat for supporting the connection of leading screw, support cylinder and upright of frame and platform skeletal support beam, moving up and down operation platform by support cylinder, support leading screw and ensured the platform stable when oil cylinder replaces.
Push-bench operation platform: push-bench operation platform is of a size of 5m × 10.2m, is laid on platform skeletal support beam, does girder by 200 × 200mm i iron, and the wing plate 12mm of beam is thick, and web 8m is thick; Arrange between girder and do secondary beam by 100 × 200mm i iron, the wing plate 10mm of beam is thick, and web 8m is thick, secondary case bay 500mm, lays the thick checkered plates of 6mm above.
Hanging Basket: mainly contain 100 × 100mm i iron and assemble, 10mm is thick for i iron wing plate, and web 6m is thick, and cradle bottom lays plank, and surrounding installs protective guard, and Hanging Basket top board arranges two bolts hole and is connected with platform skeletal support beam.
Support cylinder: industrial equipment hydraulic jack 25 tons
Cross cylinder: industrial equipment hydraulic jack 10 tons
Leading screw: length 2.5m, diameter 150mm, can bear power 25 tons
Automatic walking lifting dolly: 20 tons, meet maximum part (push-bench) lifting weight.
Inside lining joist anchor fixing bolt: adopt Φ 16 × 400mm expansion bolt
Bolt: adopt Φ 16 × 70mm bolt.
More than show and describe general principle of the present utility model and principal character and advantage of the present utility model.The technician of the industry should understand; the utility model is not restricted to the described embodiments; what describe in above-described embodiment and manual just illustrates principle of the present utility model; under the prerequisite not departing from the utility model spirit and scope; the utility model also has various changes and modifications, and these changes and improvements all fall within the scope of claimed the utility model.The claimed scope of the utility model is defined by appending claims and equivalent thereof.
Claims (3)
1. the mobile platform structure for pipe curtain jacking construction, comprise base of frame crossbeam (1), base of frame crossbeam (1) is provided with upright of frame (2), the top of upright of frame (2) is provided with crane crossbeam (3), crane crossbeam (3) below is provided with platform skeleton (4), it is characterized in that: in described upright of frame (2), be evenly provided with several elastic metallic balls (5), adjacent elastic metallic ball (5) is connected by head rod (6), crane crossbeam (3) interior horizontal direction is provided with two the second connecting rods (7) be hinged, two the second connecting rods (7) are coupling with the head rod (6) in the upright of frame (2) of both sides respectively, the bottom of the hinged place of two the second connecting rods (7) is provided with hard metal cushion block (8), the end face of hard metal cushion block (8) is provided with arc groove (9), the top of the hinged place of two the second connecting rods (7) is provided with soft rubber cushion block (10), platform skeleton (4) inside is provided with the 3rd connecting rod (11) that three head and the tail are coupling mutually, the position at the position that is coupling of third connecting rod (11) lays respectively at two ends and the top of platform skeleton (4), two the 3rd connecting rods (11) are connected by spring pad (17) by the position that is coupling being positioned at platform skeleton (4) two ends, spring pad (17) and elastic metallic ball (5) close contact, the first reinforcing rib (12) is provided with between the two ends being positioned at be coupling position and the platform skeleton (4) at platform skeleton (4) top, the arranged outside of elastic metallic ball (5) has the second reinforcing rib (13).
2. the mobile platform structure for pipe curtain jacking construction according to claim 1, is characterized in that: be provided with raker beam (14) between described base of frame crossbeam (1) and upright of frame (2).
3. the mobile platform structure for pipe curtain jacking construction according to claim 1, it is characterized in that: described platform skeleton (4) slid underneath is hung and is connected to hanging basket (15), platform skeleton (4) is provided with guardrail (16).
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| CN201520261058.1U CN204591280U (en) | 2015-04-28 | 2015-04-28 | A kind of mobile platform structure for pipe curtain jacking construction |
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| CN201520261058.1U CN204591280U (en) | 2015-04-28 | 2015-04-28 | A kind of mobile platform structure for pipe curtain jacking construction |
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| CN204591280U true CN204591280U (en) | 2015-08-26 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111255490A (en) * | 2020-01-15 | 2020-06-09 | 上海隧道工程有限公司 | Device for preventing soil body on upper part of pipe curtain structure from settling and construction method thereof |
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2015
- 2015-04-28 CN CN201520261058.1U patent/CN204591280U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111255490A (en) * | 2020-01-15 | 2020-06-09 | 上海隧道工程有限公司 | Device for preventing soil body on upper part of pipe curtain structure from settling and construction method thereof |
| CN111255490B (en) * | 2020-01-15 | 2021-11-19 | 上海隧道工程有限公司 | Device for preventing soil body on upper part of pipe curtain structure from settling and construction method thereof |
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