CN215170019U - A assembled guide rail for steel pipe curtain advances construction - Google Patents
A assembled guide rail for steel pipe curtain advances construction Download PDFInfo
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- CN215170019U CN215170019U CN202121638678.4U CN202121638678U CN215170019U CN 215170019 U CN215170019 U CN 215170019U CN 202121638678 U CN202121638678 U CN 202121638678U CN 215170019 U CN215170019 U CN 215170019U
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- guide rail
- type guide
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Abstract
The utility model relates to an assembly type guide rail for construction is advanced on steel pipe curtain top, including the sectional type guide rail, constitute detachable connection between the sectional type guide rail one end, sectional type guide rail level and setting are on adjusting the support, adjust the height that the support is used for adjusting the rail face on the sectional type guide rail, when implementing the assembly to this guide rail, mutual erection is in the same place between the sectional type guide rail, can select the quantity of sectional type guide rail according to the user demand, through the regulation to adjusting the support, implements to adjust rail face height on the sectional type guide rail, and then realizes adjusting rail face height on the sectional type guide rail, and then can reach the propulsive accurate control to the push pipe.
Description
Technical Field
The utility model relates to a tunnel construction technical field, concretely relates to an assembled guide rail that is used for steel pipe curtain top to advance construction.
Background
The construction of urban underground space is often limited by ground traffic and buildings, and the traditional open excavation construction technology is difficult to develop. As a novel underground crossing method, the pipe curtain method can be used for constructing large-span and large-section underground engineering on the basis of a small pipe curtain, can effectively control the deformation of the earth surface, and is widely applied to urban building intensive and heavy-traffic road sections and shallow-buried large-section underground engineering. With the development of urban construction, the population density is greatly increased, more and more vehicles are used, urban traffic congestion limits urban development, the development and utilization of underground spaces become key points of research of all parties, and whether a construction method is proper or not directly influences the construction efficiency and cost. The pipe roof jacking construction is one of non-open cut technologies, has been developed for more than 20 years as a construction technology for constructing large-section underground space by using a small-caliber pipe jacking machine, is applied to excavation engineering for passing through the lower parts of roads, railways, structures, airports and the like in Japan, America, Singapore, Taiwan China and the like, and is a mature construction method.
The jacking technology is used as an important content in the construction technology of jacking box culverts in pipe curtains, and the technical prototype is a common pipe-jacking tunnel method. At present, the pipe-roof construction is also widely used domestically, but often equipment is simpler, mainly rely on the experience of construction and artificial operation to ensure precision and efficiency of construction, the steel pipe section advances the in-process because of the big rear portion pipe joint of aircraft nose quality is light, the phenomenon that whole pipe joint has a decline appears easily, guide rail that the steel pipe roof adopted during advancing the construction probably is difficult for adjusting the height in addition, the length of whole guide rail is difficult for changing, and after advancing one section pipe joint, when getting rid of rear portion load, the steel pipe joint often appears rolling back, the degree of difficulty that the push pipe advances precision control has been increased. The jacking block of the traditional jacking device is a perfect circle, the line needs to be changed after the jacking is completed every time, the jacking time is greatly increased every time, the jacking efficiency is reduced, the construction beat is influenced, and therefore a novel design and a using method are necessary for a guide rail used in jacking construction.
SUMMERY OF THE UTILITY MODEL
The utility model aims at: the utility model provides an assembled guide rail for steel pipe curtain advances construction can conveniently realize assembling temporarily to the track that advances, can conveniently realize adjusting the orbital height and length of advancing to reach the propulsive accuracy control of pipe ejection.
In order to achieve the above object, the utility model adopts the following technical scheme:
the utility model provides an assembled guide rail for construction is advanced on steel pipe curtain top, includes the sectional type guide rail, constitute detachable connection between the sectional type guide rail one end, the sectional type guide rail level just sets up on adjusting the support, it is used for adjusting the height of the upper rail surface of sectional type guide rail to adjust the support.
The utility model discloses still have following characteristic:
two groups of sectional guide rails are arranged in parallel at intervals.
And a jacking pipe restraining mechanism is arranged above the sectional type guide rail and is used for restraining and positioning the jacking pipe on the sectional type guide rail.
The two groups of sectional guide rails are arranged in the mode that square steel is arranged below the two ends of the two groups of sectional guide rails, the square steel is arranged horizontally and perpendicular to the length direction of the two groups of sectional guide rails, and the adjusting support is arranged below the square steel.
The square steels below the two ends of the two groups of sectional guide rails are connected into a whole through connecting channel steel, and the connecting channel steel is arranged along the length direction of the sectional guide rails.
The adjusting support is arranged below the two ends of the square steel, an adjusting screw rod is arranged on the adjusting support, and the adjusting screw rod is vertical and is abutted to the ground.
The push pipe restraining mechanism comprises a restraining rod arranged beside the sectional guide rail, and the rod end of the restraining rod is abutted against the outer wall of the push pipe.
The outer sides of the square steel at the positions below the two ends of the two groups of sectional guide rails extend upwards to form constraint arms, the constraint rods are arranged on the constraint arms, the extending ends of the constraint arms form clamping or separating fit, and the constraint rods and the constraint arms form threaded connection fit.
The restraint arm is hinged with the outer side of the square steel, and a hinged shaft is parallel to the length direction of the sectional type guide rail.
And mounting flanges are arranged at the two ends of the sectional type guide rail.
Compared with the prior art, the beneficial effects of the utility model are embodied in: when implementing the assembly to this guide rail, the sectional type guide rail is in the same place of installing each other, can be according to the user demand, selects the quantity of sectional type guide rail, through the regulation to adjusting the support, implements to adjust sectional type guide rail upper rail surface height, and then realizes adjusting sectional type guide rail upper rail surface height, and then can reach the propulsive accurate control of push pipe.
Drawings
FIG. 1 is a front view of a fabricated rail for steel pipe curtain jacking construction;
FIG. 2 is a left side view of a fabricated rail for steel pipe curtain jacking construction;
fig. 3 is a plan view of the fabricated rail for steel pipe curtain jacking construction.
Detailed Description
With reference to fig. 1 to 3, the assembled guide rail suitable for steel pipe curtain jacking construction of the present invention is further described:
the assembled guide rail for steel pipe curtain jacking construction comprises a sectional type guide rail 100, wherein one end of the sectional type guide rail 100 is detachably connected, the sectional type guide rail 100 is horizontal and arranged on an adjusting support 200, and the adjusting support 200 is used for adjusting the height of the rail surface on the sectional type guide rail 100.
When implementing the guide rail assembly, sectional type guide rail 100 is in the same place mutually, can be according to the user demand, selects sectional type guide rail 100's quantity, through the regulation to adjusting support 200, implements to adjust the height of rail surface on sectional type guide rail 100, and then realizes adjusting the height of rail surface on sectional type guide rail 100, and then can reach the propulsive accurate control of push pipe.
As the preferred embodiment of the present invention, in actual operation, the segmented guide rail 100 is provided with two sets at parallel intervals.
In the process of jacking the jacking pipe, a jacking pipe restraining mechanism is arranged above the sectional type guide rail 100 and used for restraining and positioning the jacking pipe on the sectional type guide rail 100.
The restraint on the jacking pipe is implemented through the jacking pipe restraining mechanism arranged on the sectional type guide rail 100, so that the jacking pipe keeps a precise straight posture to be pushed, and the precision of jacking pipe construction is ensured.
Further, square steels 110 are arranged at positions below both ends of the two-component sectional type guide rail 100, the square steels 110 are horizontally arranged, the square steels 110 are perpendicular to the length direction of the sectional type guide rail 100, and the adjusting support 200 is arranged at a position below the square steels 110.
In practical design, the two-component segmented guide rail 100 is fixed on the two sets of square steels 110, so that the guide rail can be in a rectangular frame-shaped structure, and the stability of the guide rail is improved.
More preferably, in order to realize the connection between two sets of square steels 110, the square steels 110 at the positions below the two ends of the two sets of segmental guide rails 100 are connected into a whole through a connection channel 120, and the connection channel 120 is arranged along the length direction of the segmental guide rail 100.
More preferably, when the height adjustment of the sectional track 100 is performed, the adjusting support 200 is disposed below two ends of the square steel 110, and the adjusting support 200 is provided with an adjusting screw 210, wherein the adjusting screw 210 is vertical and abuts against the ground.
By rotating the adjusting screw 210, the height of the adjusting screw 210 extending out of the adjusting support 200 is adjusted, so that the height of the sectional track 100 is adjusted.
More specifically, in order to realize the restraint of the jacking pipe, the jacking pipe restraining mechanism comprises a restraining rod 300 arranged beside the sectional type guide rail 100, and the rod end of the restraining rod 300 is abutted against the outer wall of the jacking pipe.
The rod end of the restraint rod 300 abuts against the outer wall of the jacking pipe, so that the jacking pipe is restrained at the position above the sectional type track 100, the restraint on the position of the jacking pipe is realized, and the pushing precision of the jacking pipe is controlled.
Preferably, in order to facilitate the installation of the constraint rod 130, constraint arms 130 extend upwards from the outer sides of the square steels 110 at positions below the two ends of the two-piece segmented guide rail 100, the constraint rod 300 is arranged on the constraint arms 130, the extending ends of the constraint arms 130 form a clamping or separating fit, and the constraint rod 300 and the constraint arms 130 form a threaded connection fit.
In order to facilitate the guiding of the top pipe between the constraining arms 130, the constraining arms 130 are hinged to the outer side of the square steel 110 and the hinge axis is parallel to the length direction of the sectional type guide rail 100.
In performing the top pipe restraining operation, the restraining arms 130 are opened so that the top pipe is caught in the gap between the restraining arms 130, then the restraining arms 130 are closed, and the overhanging ends of the restraining arms 130 are snapped together and fixed together by the locking pins.
More specifically, to facilitate the installation and removal of two sets of assembled guide rails, mounting flanges 140 are provided at two ends of the sectional type guide rail 100.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (10)
1. The utility model provides an assembled guide rail for construction is advanced on steel pipe curtain top which characterized in that: the guide rail comprises a sectional type guide rail (100), wherein one end of the sectional type guide rail (100) is detachably connected, the sectional type guide rail (100) is horizontal and arranged on an adjusting support (200), and the adjusting support (200) is used for adjusting the height of the upper rail surface of the sectional type guide rail (100).
2. The fabricated rail for steel pipe curtain jacking construction as claimed in claim 1, wherein: the sectional type guide rails (100) are arranged in two groups at intervals in parallel.
3. The fabricated rail for steel pipe curtain jacking construction as claimed in claim 2, wherein: and a jacking pipe restraining mechanism is arranged above the sectional type guide rail (100) and is used for restraining and positioning jacking pipes on the sectional type guide rail (100).
4. The fabricated rail for steel pipe curtain jacking construction as claimed in claim 3, wherein: the two-component sectional type guide rail is characterized in that square steel (110) is arranged below two ends of the two-component sectional type guide rail (100), the square steel (110) is horizontally arranged, the square steel (110) is perpendicular to the length direction of the sectional type guide rail (100), and the adjusting support (200) is arranged below the square steel (110).
5. The fabricated rail for steel pipe curtain jacking construction as claimed in claim 4, wherein: the square steels (110) at the lower positions of the two ends of the two-component sectional guide rail (100) are connected into a whole through a connecting channel steel (120), and the connecting channel steel (120) is arranged along the length direction of the sectional guide rail (100).
6. The fabricated rail for steel pipe curtain jacking construction as claimed in claim 5, wherein: the adjusting support (200) is arranged at the lower positions of two ends of the square steel (110), an adjusting screw rod (210) is arranged on the adjusting support (200), and the adjusting screw rod (210) is vertical and abuts against the ground.
7. The fabricated rail for steel pipe curtain jacking construction as claimed in claim 6, wherein: the jacking pipe restraining mechanism comprises a restraining rod (300) arranged beside the sectional type guide rail (100), and the rod end of the restraining rod (300) is abutted against the outer wall of the jacking pipe.
8. The fabricated rail for steel pipe curtain jacking construction as claimed in claim 7, wherein: the outer sides of the square steel (110) at the positions below the two ends of the two-component sectional guide rail (100) are respectively and upwards extended with a constraint arm (130), the constraint rod (300) is arranged on the constraint arm (130), the extension end of the constraint arm (130) forms clamping or separation fit, and the constraint rod (300) and the constraint arm (130) form threaded connection fit.
9. The fabricated rail for steel pipe curtain jacking construction as claimed in claim 8, wherein: the restraint arm (130) is hinged with the outer side of the square steel (110) and the hinged shaft is parallel to the length direction of the sectional type guide rail (100).
10. The fabricated rail for steel pipe curtain jacking construction as claimed in claim 9, wherein: mounting flanges (140) are arranged at the positions of two ends of the sectional type guide rail (100).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121638678.4U CN215170019U (en) | 2021-07-19 | 2021-07-19 | A assembled guide rail for steel pipe curtain advances construction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121638678.4U CN215170019U (en) | 2021-07-19 | 2021-07-19 | A assembled guide rail for steel pipe curtain advances construction |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215170019U true CN215170019U (en) | 2021-12-14 |
Family
ID=79392200
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121638678.4U Active CN215170019U (en) | 2021-07-19 | 2021-07-19 | A assembled guide rail for steel pipe curtain advances construction |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215170019U (en) |
-
2021
- 2021-07-19 CN CN202121638678.4U patent/CN215170019U/en active Active
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