CN204592557U - The hinged pipe joint open control gear of curve steel pipe jacking - Google Patents
The hinged pipe joint open control gear of curve steel pipe jacking Download PDFInfo
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- CN204592557U CN204592557U CN201520193442.2U CN201520193442U CN204592557U CN 204592557 U CN204592557 U CN 204592557U CN 201520193442 U CN201520193442 U CN 201520193442U CN 204592557 U CN204592557 U CN 204592557U
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Abstract
The utility model relates to a kind of hinged pipe joint open control gear of curve steel pipe jacking, belongs to construction engineering technical field, the auxiliary control problem of crooked radian during for solving curve steel pipe jacking jacking.This curve steel pipe jacking comprises push pipe head, correction oil cylinder unit, the first relay well, the second relay well and multiple hinged pipe; Correction oil cylinder unit is arranged on the section of push pipe head back segment; First relay well and the second relay well are arranged at front end and the middle-end of curved section tube coupling respectively; Curved section tube coupling comprises multiple steel pipe tube coupling, and hinged pipe is arranged between adjacent steel pipe tube coupling, also comprises the joint open control gear for limiting hinged pipe opened gap, and joint open control gear is ∏ type clip, ∏ type clip and steel flange clamping.
Description
Technical field
The utility model relates to construction engineering technical field, particularly a kind of hinged pipe joint open control gear of curve steel pipe jacking.
Background technique
In order to adapt to the needs of urban construction and reduce the impact of construction on city people's lives, very soon, the application of the pipe-jacking projects such as subway, cross-river tunnel and sewage conduct also gets more and more in the pipe-jacking technology development such as long distance, heavy caliber, small-bore, buried, shallow embedding.As a kind of method of construction of laying under ground piping of no-dig technique, push pipe jacking construction method is little and advantage of lower cost to surrounding environment influence.In push pipe jacking construction process, by means of the jacking force from oil cylinder or jack etc., development machine is entered received well from active well through soil layer along the line, meanwhile, pipeline following closely connected successively and bury underground in the pipeline soil layer connected between described active well and received well.The push pipe adopted in push pipe jacking construction process generally has concrete ceiling coil, steel pipe push pipe, glass fiber reinforced steel push pipe with sand etc.
Wherein, the bearing capacity of steel pipe push pipe is strong, and good seal performance, anti-foundation deformation ability is strong.But, because the rigidity of steel pipe push pipe is comparatively large, correction difficulty in curved jacking construction process.And when steel pipe carries out curved jacking construction, there is an angle in top force direction and conduit axis direction, thus can produce the component in a vertical axis direction, make pipeline constantly drift about laterally in jack-in process.In addition, when the radius of curvature of steel pipe curved jacking is less than 1000m, the difficulty that its crooked radian controls is larger.Therefore steel pipe is in curved jacking process, needs to rely on the joint socket of hinged pipe to transfer, and the intensity of hinged pipe joint socket, rigidity need meet the force request under curve state.In order to safe construction, need the radius of curvature of length according to steel pipe push pipe and curved section, the joint open of steel pipe is controlled in the scope of code requirement.
Model utility content
The purpose of this utility model is the hinged pipe joint open control gear providing a kind of curve steel pipe jacking, and during to meet curve steel pipe jacking jacking, its crooked radian meets code requirement.
For solving the problems of the technologies described above, the technical solution of the utility model is as follows:
A hinged pipe joint open control gear for curve steel pipe jacking, described curve steel pipe jacking comprises push pipe head, correction oil cylinder unit, the first relay well, the second relay well and multiple hinged pipe; Described correction oil cylinder unit is arranged on the section of described push pipe head back segment; Described first relay well and the second relay well are arranged at front end and the middle-end of curved section tube coupling respectively; Described curved section tube coupling comprises multiple steel pipe tube coupling, described hinged pipe is arranged between adjacent described steel pipe tube coupling, also comprise the joint open control gear for limiting described hinged pipe opened gap, described joint open control gear is the steel flange clamping of ∏ type clip, described ∏ type clip and described steel pipe tube coupling.
Further, the thickness of described ∏ type clip is 28mm-40mm.
Further, described ∏ type clip is made by steel plate materials.
Further, described hinged pipe comprises front case and rear case, and the inner side of described front case and rear case is provided with steel flange, and described steel flange is provided with bolt, and being tightened by the bolt between described front case and rear case is an entirety.
Further, described hinged pipe joint arranges end flange, in 45 ° of uniform 4 × 3 M30 high-strength bolt groups in described end flange.
Further, the distance between adjacent described end flange is 150mm.
Further, be provided with a correction gap between described front case and rear case, the size in described correction gap is between 1 ~ 3mm.
Further, described correction gap location is provided with double sealing circle, and described seal ring is used for sealing.
In the hinged pipe joint open control gear of the curve steel pipe jacking provided in the utility model embodiment, except controlling at push pipe head, relay well and the track of hinged pipe many groups deviation-rectifying system to steel pipe curved jacking, the bolt of adjustment hinged pipe is also assisted by arranging hinged pipe joint open control gear, to make the opened gap of hinged pipe meet designing requirement, instead of the mode that tradition adopts manual measurement.That is, each joint is arrived to the steel pipe tube coupling at Qu Licheng initial point place, first unclamp hinged pipe bolt, and adopt the joint open control gear meeting design load size to assist the bolt of adjustment hinged pipe, when joint open size between adjacent two joint steel pipe tube couplings meets designing requirement, be fixedly hinged the bolt of pipe, thus ensure in curved section work progress, curve steel pipe jacking carries out jacking with stable radius of curvature, avoid when each hinged pipe arrival curve section plays Qu Licheng initial point and all need manually to carry out measurement rectification work, save the engineering time.And joint open control gear of the present utility model is ∏ type clip, draw materials conveniently, make simple, save construction cost.
Accompanying drawing explanation
Position view when Fig. 1 is the curve steel pipe jacking curved jacking of the utility model one embodiment;
Fig. 2 is the sectional view of the hinged pipe of the utility model one embodiment;
Fig. 3 is the plan view of the hinged pipe of the utility model one embodiment;
Fig. 4 is the structural representation of the tracking control system of the curve steel pipe jacking jacking of the utility model one embodiment;
The connection diagram of linear state joint socket when Fig. 5 is the curve steel pipe jacking curved jacking of the utility model one embodiment;
The connection diagram of curve state joint socket when Fig. 6 is the curve steel pipe jacking curved jacking of the utility model one embodiment;
Fig. 7 is the bolt group layout plan of the hinged pipe of the utility model one embodiment;
Fig. 8 is the structural representation of the joint open control gear of the utility model one embodiment.
In figure:
A-curve steel pipe jacking; 12-push pipe head; 14-first relay well; 16-second relay well; 18-hinged pipe; 181-front case; 182-rear case; 183-flange; 184-bolt; 185-joint socket; 21-joint open control gear.
Embodiment
Be described in further detail below in conjunction with the hinged pipe joint open control gear of the drawings and specific embodiments to the curve steel pipe jacking that the utility model proposes.According to the following describes and claims, advantage of the present utility model and feature will be clearer.It should be noted that, accompanying drawing all adopts the form that simplifies very much and all uses non-ratio accurately, only in order to object that is convenient, aid illustration the utility model embodiment lucidly.For sake of convenience, hereinafter described " on ", D score is consistent with the upper and lower direction of accompanying drawing, but this can not become the restriction of technical solutions of the utility model.
The hinged pipe joint open control gear of curve steel pipe jacking of the present utility model is described in detail below in conjunction with Fig. 1 to Fig. 8.
Embodiment one
As shown in Figure 1 to Figure 3, steel pipe curved jacking construction generally includes curved section jacking construction and straightway jacking construction, and curve steel pipe jacking A comprises curved section tube coupling and straightway tube coupling.Wherein, curved section tube coupling and straightway tube coupling include multiple steel pipe tube coupling.During curve steel pipe jacking jacking construction, the main joint socket of hinged pipe that relies on is transferred, and to make in curved section work progress, curve steel pipe jacking carries out jacking construction with stable radius of curvature.When curve steel pipe jacking curved jacking, make steel push pipe opening outwardly by the length of adjusting bolt, the gap width of steel pipe tube coupling opening side adjusts according to calculating.Specifically, multiple steel pipe tube coupling constituent curve section tube coupling, the axis of curved section tube coupling is actually the broken line formed by multiple steel pipe tube coupling, and broken line is being macroscopically circular curve.Before constructing, according to length L, the quantity of the arc length D of curved section, the steel pipe tube coupling of radius of curvature R determination curved section with often save opening angle.Often save opening angle and refer to that the joint socket turnover amount b of steel pipe tube coupling is saved in front and back two, the formula of joint socket turnover amount b is as follows:
b＝180×sinθ；
Wherein, θ is central angle.The formula of central angle θ is as follows:
θ＝2×arcsin((L+0.7)/2R)；
Wherein, L is the length of steel pipe tube coupling, and R is radius of curvature, and θ is central angle.
In the present embodiment, the arc length D of curved section is 224m, and radius of curvature R is 618m, and central angle θ is 0.34 °, and the length L of the steel pipe tube coupling of selection is 3m.Thus calculating joint open δ=1432 (outer diameter of steel pipes) × sin θ=8.5mm, the turnover amount b=180 × sin θ=1.068mm of the joint socket 185 between adjacent two joint steel pipe tube couplings, meets turnover needs completely.According to actual conditions, the length of joint socket 185 is 200mm.
Please refer to Fig. 2, specifically, curve steel pipe jacking when curved section jacking construction, track when carrying out controlling curve steel push pipe curved jacking by the tracking control system 10 of curved jacking.The tracking control system 10 of curve steel pipe jacking curved jacking comprises push pipe head deviation-rectifying system, tube coupling deviation-rectifying system and auxiliary deviation-rectifying system.Wherein, push pipe head deviation-rectifying system comprises push pipe head 12 and four groups of correction oil cylinder (not shown)s for adjusting push pipe head 12 attitude, and correction oil cylinder is arranged on the section of push pipe head 12 back segment; Tube coupling deviation-rectifying system comprises and is arranged at the first relay well 14 of curved section tube coupling front end and the second relay well 16 of curved section tube coupling middle-end, for adjusting the crooked radian of curved section tube coupling; Auxiliary deviation-rectifying system comprises multiple hinged pipe 18, and each hinged pipe 18 is all arranged between adjacent steel pipe tube coupling, for the crooked radian of auxiliary adjustment curved section tube coupling.
Please continue to refer to Fig. 2, especially, determining the length L of steel pipe tube coupling, the quantity of curved section and often saving steel pipe tube coupling after the joint open playing bent point, between the steel pipe tube coupling of curved section, the first relay well 14, second relay well 16 and multiple hinged pipe 18 is arranged.As shown in Figure 1, immediately following first segment steel pipe tube coupling G1 after push pipe head 12, first segment steel pipe tube coupling G1 closelys follow the first relay well 14 below, immediately following second section steel pipe tube coupling G2 after first relay well 14, second section steel pipe tube coupling G2 closelys follow first hinged pipe 18 below, immediately following Section of three steel pipe tube coupling G3 after first hinged pipe 18, section three, steel pipe tube coupling G3 closelys follow second hinged pipe 18 below, immediately following Section of four steel pipe tube coupling G4 after second hinged pipe 18, by that analogy, start after N joint steel pipe tube coupling GN all immediately following a hinged pipe 18 from second section steel pipe tube coupling G2, N+1 saves the middle-end that steel pipe tube coupling GN+1 is positioned at curved section tube coupling, N+1 joint steel pipe tube coupling GN+1 closelys follow the second relay well 16 below, the N+2 that closelys follow below of described second relay well 16 saves steel pipe tube coupling GN+2, N+2 joint steel pipe tube coupling GN+2 closelys follow N number of hinged pipe 18 below, the N+3 that closelys follow below of N number of hinged pipe 18 saves steel pipe tube coupling GN+3, N+3 joint steel pipe tube coupling GN+3 closelys follow N+1 hinged pipe 18 below, the N+4 that closelys follow below of N+1 hinged pipe 18 saves steel pipe tube coupling GN+4, by that analogy, save steel pipe tube coupling GN+2 from N+2 to start after N+M joint steel pipe tube coupling GN+M all immediately following a hinged pipe 18.
Please continue to refer to Fig. 3 and Fig. 4, especially, in hinged pipe 18, the spacing between two adjacent joint steel pipe tube couplings can be adjusted by adjusting bolt 184, the spacing namely between front case 181 and rear case 182, thus realize auxiliary correction.Between adjacent steel pipe tube coupling, arranging hinged pipe 18, can to reduce in correction process steel pipe push pipe rigidity large, the adverse effect that rectifying effect is little, thus the sensitivity improving correction operation.Therefore, the joint open of hinged pipe 18 will meet code requirement, to ensure join strength between adjacent two steel pipe tube coupling joints and global stability.When curve steel pipe jacking straightway jacking construction, auxiliary deviation-rectifying system comprises multiple hinged pipe 18, and each hinged pipe 18 is all arranged between adjacent steel pipe tube coupling, for the crooked radian of auxiliary adjustment curved section tube coupling.General hinged pipe 18 adopts steel material to be made, and the machining gap of its joint socket 185 is 1mm.Hinged pipe 18 comprises front case 181 and rear case 182, and the inner side of front case 181 and rear case 182 is provided with steel flange 183, steel flange 183 is provided with bolt 184, and fastening by bolt 184 between front case 181 and rear case 182 is an entirety.Hinged pipe 18 joint is provided with end flange (steel flange being positioned at steel pipe tube coupling end is end flange), in 45 ° of uniform 4 × 3 M30 high-strength bolt groups 184 as shown in Figure 7 in end flange.High-strength bolt group 184 be mainly used in control hinged pipe 18 joint open, guarantee the integrity that curve tube coupling is stressed and adjustment curve steel pipe jacking linear.
The push pipe overall length of the curve steel pipe jacking of the present embodiment is 480m, and the length of curved section tube coupling is 224m, and straightway tube coupling length is 256m, radius of curvature R is 618m, for the ease of construction, leaves certain interval between curved section tube coupling and straightway tube coupling, such as, gap length is 1.8m.When curve steel pipe jacking starts the construction of arrival curve section tube coupling, according to job specfication, need to ensure that the joint open of hinged pipe in curved section tube coupling controls in certain limit.That is, when each hinged pipe 18 has arrived Qu Licheng initial point place, all want the bolt 184 in manual tune hinged pipe 18, make the latasuture width of the steel pipe tube coupling opening of curved section tube coupling meet turnover requirement.The duration is extended because special messenger measures each hinged pipe 18 at the joint open playing Qu Licheng initial point place in order to reduce, in the present embodiment, joint open control gear 21 is set between the steel flange 183 of steel pipe tube coupling, to facilitate the adjustment of bolt 184, thus realization conveniently, with saving time completes the adjustment to joint open.
Please refer to 3, Fig. 4 and Fig. 8, specifically, joint open control gear 21 is ∏ type clip, and joint open control gear is ∏ type clip, and steel flange 183 clamping of ∏ type clip and steel pipe tube coupling, for limiting the opened gap of hinged pipe 18.Determine that the thickness of ∏ type clip is 28mm-40mm according to the joint open calculated value of hinged pipe 18.Preferably, the thickness of ∏ type clip is 30mm.Especially, distance between abutting end flange 183 is 150mm, short stroke jack can be placed, realize steel pipe tube coupling and open gap by the joint open of designing requirement, make adjacent two joint steel pipe internodes produce angle, during curve steel pipe jacking curved jacking, the joint socket 185 of hinged pipe 18 is relied on to transfer, therefore, be provided with a correction gap (not shown) between front case 181 and rear case 182, the size in correction gap is between 1 ~ 3mm.Preferably, correction gap is 2mm.Correction gap location is provided with double sealing circle (not shown), and seal ring can meet the sealing requirement in jacking construction process.Adopt two pass D2 type water-stop ring in the present embodiment, its sealing system can guarantee not seep water when curve opens 0.34 ° in hinged place.
Below in conjunction with Fig. 1 to Fig. 8, describe the using method of the hinged pipe joint open control gear of curve steel pipe jacking of the present utility model in detail.The using method of the hinged pipe joint open control gear of curve steel pipe jacking comprises the following steps:
S001: according to the length L of the arc length D of curved section, the steel pipe tube coupling of radius of curvature R determination curved section, quantity and calculating every pitch curve steel push pipe A steel pipe tube coupling at the joint open playing Qu Licheng initial point;
S002: enable joint open control gear 21 when curved section is constructed, when curve steel pipe jacking A jacking plays Qu Licheng initial point to described curved section, proceeds as follows: the first step, unclamps the bolt 184 of hinged pipe 18; Second step, uses the opened gap of correction oil cylinder and auxiliary jack adjustment hinged pipe 18, until when opened gap meets joint open design load, adopts joint open control gear 21 hinged pipe 18 to be clamped; 3rd step, tightens the bolt 184 unclamped in the first step, makes curve steel pipe jacking A with stable radius of curvature jacking;
When each hinged pipe 18 arrival curve section of S003: curve steel pipe jacking A plays Qu Licheng initial point, repeat step 2 successively, until complete the curved jacking work of whole curve steel pipe jacking A.
In sum, in the hinged pipe joint open control gear of the curve steel pipe jacking provided at the utility model and controlling method thereof, except controlling at push pipe head, relay well and the track of hinged pipe many groups deviation-rectifying system to steel pipe curved jacking, the bolt of adjustment hinged pipe is also assisted by arranging hinged pipe joint open control gear, to make the opened gap of hinged pipe meet designing requirement, instead of the mode that tradition adopts manual measurement.Joint open control gear is the steel flange clamping of ∏ type clip, ∏ type clip and steel pipe tube coupling, for limiting the opened gap of hinged pipe.Like this, the joint open of hinged pipe between adjacent steel pipe tube coupling can be made to meet designing requirement without the need to carrying out manual measurement, thus ensure in curved section work progress, curve steel pipe jacking carries out jacking with stable radius of curvature, avoid when each hinged pipe arrival curve section plays Qu Licheng initial point and all need manually to carry out measurement rectification work, save the engineering time.And the joint open control gear of the present embodiment is ∏ type clip, draw materials conveniently, make simple, save construction cost.
Foregoing description is only the description to the utility model preferred embodiment; any restriction not to the utility model scope; any change that the those of ordinary skill in the utility model field does according to above-mentioned disclosure, modification, all belong to the protection domain of claims.
Claims (8)
1. a hinged pipe joint open control gear for curve steel pipe jacking, described curve steel pipe jacking comprises push pipe head, correction oil cylinder unit, the first relay well, the second relay well and multiple hinged pipe; Described correction oil cylinder unit is arranged on the section of described push pipe head back segment; Described first relay well and the second relay well are arranged at front end and the middle-end of curved section tube coupling respectively; Described curved section tube coupling comprises multiple steel pipe tube coupling, described hinged pipe is arranged between adjacent described steel pipe tube coupling, it is characterized in that, also comprise the joint open control gear for limiting described hinged pipe opened gap, described joint open control gear is the steel flange clamping of ∏ type clip, described ∏ type clip and described steel pipe tube coupling.
2. the hinged pipe joint open control gear of curve steel pipe jacking as claimed in claim 1, it is characterized in that, the thickness of described ∏ type clip is 28mm-40mm.
3. the hinged pipe joint open control gear of curve steel pipe jacking as claimed in claim 1, it is characterized in that, described ∏ type clip is made by steel plate materials.
4. the hinged pipe joint open control gear of curve steel pipe jacking as claimed in claim 1, it is characterized in that, described hinged pipe comprises front case and rear case, the inner side of described front case and rear case is provided with steel flange, described steel flange is provided with bolt, and being tightened by the bolt between described front case and rear case is an entirety.
5. the hinged pipe joint open control gear of curve steel pipe jacking as claimed in claim 4, it is characterized in that, described hinged pipe joint arranges end flange, in 45 ° of uniform 4 × 3 M30 high-strength bolt groups in described end flange.
6. the hinged pipe joint open control gear of curve steel pipe jacking as claimed in claim 4, it is characterized in that, the distance between adjacent described end flange is 150mm.
7. the hinged pipe joint open control gear of curve steel pipe jacking as claimed in claim 6, it is characterized in that, be provided with a correction gap between described front case and rear case, the size in described correction gap is between 1 ~ 3mm.
8. the hinged pipe joint open control gear of curve steel pipe jacking as claimed in claim 7, it is characterized in that, described correction gap location is provided with double sealing circle, and described seal ring is used for sealing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520193442.2U CN204592557U (en) | 2015-04-01 | 2015-04-01 | The hinged pipe joint open control gear of curve steel pipe jacking |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520193442.2U CN204592557U (en) | 2015-04-01 | 2015-04-01 | The hinged pipe joint open control gear of curve steel pipe jacking |
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| CN204592557U true CN204592557U (en) | 2015-08-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201520193442.2U Withdrawn - After Issue CN204592557U (en) | 2015-04-01 | 2015-04-01 | The hinged pipe joint open control gear of curve steel pipe jacking |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104747800A (en) * | 2015-04-01 | 2015-07-01 | 上海市政建设有限公司 | Articulated pipe stretching quantity control device and method of curve steel jacking pipe |
-
2015
- 2015-04-01 CN CN201520193442.2U patent/CN204592557U/en not_active Withdrawn - After Issue
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104747800A (en) * | 2015-04-01 | 2015-07-01 | 上海市政建设有限公司 | Articulated pipe stretching quantity control device and method of curve steel jacking pipe |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20150826 Effective date of abandoning: 20160824 |
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| AV01 | Patent right actively abandoned |
Granted publication date: 20150826 Effective date of abandoning: 20160824 |
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| C25 | Abandonment of patent right or utility model to avoid double patenting |