CN112647548B - Underground pipe gallery settlement corrector - Google Patents
Underground pipe gallery settlement corrector Download PDFInfo
- Publication number
- CN112647548B CN112647548B CN202110015397.1A CN202110015397A CN112647548B CN 112647548 B CN112647548 B CN 112647548B CN 202110015397 A CN202110015397 A CN 202110015397A CN 112647548 B CN112647548 B CN 112647548B
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- pipe gallery
- underground pipe
- lifting frame
- corrector
- rods
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D35/00—Straightening, lifting, or lowering of foundation structures or of constructions erected on foundations
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D29/00—Independent underground or underwater structures; Retaining walls
- E02D29/045—Underground structures, e.g. tunnels or galleries, built in the open air or by methods involving disturbance of the ground surface all along the location line; Methods of making them
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D29/00—Independent underground or underwater structures; Retaining walls
- E02D29/10—Tunnels or galleries specially adapted to house conduits, e.g. oil pipe-lines, sewer pipes ; Making conduits in situ, e.g. of concrete ; Casings, i.e. manhole shafts, access or inspection chambers or coverings of boreholes or narrow wells
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- Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Supports For Pipes And Cables (AREA)
Abstract
The invention discloses a settlement corrector for an underground pipe gallery, which supports a lifting frame through a lifting hydraulic rod so as to support a supporting roller inside the lifting frame against the top wall of the underground pipe gallery, a corrector for lifting the settled underground pipe gallery and simultaneously matching with two leveling hydraulic rods to extend to different degrees so as to turn over the lifting frame and level the settled underground pipe gallery, it is characterized in that two groups of fixed bottom frames are respectively arranged at two sides of the base, one group of fixed bottom frames consists of at least two fixed bottom frames, the fixed underframe is composed of an L-shaped rod and an inclined rod, two ends of the inclined rod are respectively close to two ends of the L-shaped rod, the movable roller is arranged on the L-shaped rod, the moving roller is sleeved with a rubber sleeve, one end of the fixed shaft is arranged on the base, the central lines of the fixed shaft and the base are collinear, and the rotating sleeve is arranged at the other end of the fixed shaft.
Description
Technical Field
The invention discloses a sedimentation corrector for an underground pipe gallery, relates to a corrector capable of correcting sedimentation of the underground pipe gallery, and belongs to the field of building construction. In particular to a corrector which supports a lifting frame through a lifting hydraulic rod, supports a supporting roller inside the lifting frame and the top wall of an underground pipe gallery, lifts the settled underground pipe gallery, simultaneously matches two leveling hydraulic rods to extend in different degrees, and overturns the lifting frame, thereby leveling the settled underground pipe gallery.
Background
The underground pipe gallery is a public tunnel which is built in the city and is used for intensively laying municipal pipelines such as electric power, communication, broadcast television, water supply and the like, technicians can carry out rush repair, maintenance and expansion transformation on various pipelines in the pipe gallery without repeatedly excavating a road surface, the rush repair time of the pipelines is greatly reduced, the bearing capacity of a foundation between adjacent pipe gallery sections is different due to the influence of underground geological conditions and engineering construction differences, so that the height difference of the joint of the adjacent pipe sections is caused, the joint exceeds the limit of a connecting layer at the joint, the fracture is caused, and the problems of water leakage and line dislocation fracture are caused. The whole construction speed is low and the efficiency is low.
Notice No. CN211922713U discloses a difference settlement correction device for underground pipe gallery construction, including prefabricated formula underground pipe gallery body, be equipped with the strengthening rib in the prefabricated formula underground pipe gallery body, the lateral wall of prefabricated formula underground pipe gallery body is equipped with a plurality of grout hole groups along length direction, grout hole group is equipped with a plurality of grout holes, be equipped with three at least, grout hole sets up the bottom of prefabricated formula underground pipe gallery body, the both sides of prefabricated formula underground pipe gallery body are equipped with rings, the centre is equipped with the support mound in the grout hole, be equipped with lifting screw perpendicularly on the support mound, be equipped with lifting nut on the lifting screw, lifting nut with lifting screw bolted connection, be equipped with the ram on the lifting nut, the ram is equipped with the perforation, the lifting screw passes the perforation, the both ends of lifting screw are connected with rings through connecting the chain, this orthotic devices need additionally to establish the support mound when using, and orthotic devices need set up in every section piping lane, and is comparatively inconvenient, and the cost is higher, and the rigidity is moreover difficult to carry out convenient removal and use.
Disclosure of Invention
In order to improve the situation, the underground pipe gallery settlement corrector provided by the invention is a corrector which supports a lifting frame through a lifting hydraulic rod, so that a supporting roller in the lifting frame and the top wall of the underground pipe gallery are supported in a supporting manner, the settled underground pipe gallery is lifted, and meanwhile, the lifting frame is turned over by matching with two leveling hydraulic rods to extend in different degrees, so that the settled underground pipe gallery is leveled.
The underground pipe gallery settlement corrector is realized as follows: the invention relates to a sedimentation corrector for an underground pipe gallery, which consists of a supporting device, a steering device and a supporting device, wherein the supporting device consists of a horizontal frame, a rotating sleeve, a fixed shaft, fixed bottom frames, a moving roller, a base and a contact ball, the two groups of fixed bottom frames are respectively arranged at two sides of the base, one group of fixed bottom frames consists of at least two fixed bottom frames, the fixed bottom frames consist of L-shaped rods and inclined rods, two ends of each inclined rod are respectively close to two ends of the L-shaped rod, the moving roller is arranged on the L-shaped rods, a rubber sleeve is sleeved outside the moving roller, one end of each fixed shaft is arranged on the base, the central lines of the fixed shaft and the base are collinear, the rotating sleeve is sleeved at the other end of the fixed shaft, the two horizontal frames are arranged on the rotating sleeve and are respectively arranged at two sides of the rotating sleeve, the horizontal frame is vertical to the base, the contact ball is arranged at the end part of the horizontal frame, and the bottom of each fixed bottom frame is provided with a hemispherical bulge, the steering device comprises a central shaft, a lifting frame, supporting rollers, supporting rods, a connecting seat, a lifting hydraulic rod, a stand column, a rotating seat and connecting rods, wherein one end of the stand column is vertically arranged on a base, a pair of rotating seats is arranged at the other end of the stand column, one end of the central shaft is arranged on the pair of rotating seats through a connecting shaft, the middle part of one side of the lifting frame is arranged at the other end of the central shaft through a spherical hinge, the lifting frame is of a frame-shaped structure, the plurality of supporting rollers are rotatably arranged in the lifting frame, the two supporting rods are respectively arranged at the two ends of the lifting frame, the supporting rods are U-shaped rods, the plurality of connecting rods are arranged between the two supporting rods, the connecting seat is arranged at the middle part of the other side of the lifting frame through the connecting rods, a bearing is arranged between the connecting rods and the lifting frame, one end of the lifting hydraulic rod is arranged on the connecting seat through the connecting shaft, the other end of the lifting hydraulic rod is arranged on the stand column through a hinge lug and is close to one end of the stand column, the support device comprises a support rod, a leveling hydraulic rod and fixing frames, the two fixing frames are arranged on the stand column and are respectively positioned on two sides of the stand column, the fixing frames are L-shaped frames, one end of the leveling hydraulic rod is arranged at the end part of the fixing frame, the leveling hydraulic rod is parallel to the stand column, the support rod is arranged at the end part of the leveling hydraulic rod and is perpendicular to the connecting rod, and the support rod is in contact with the connecting rod.
Has the beneficial effects.
One, need not to set up extra fixed knot structure on the underground pipe gallery, can remove in the pipe gallery and use the correction.
And secondly, the pipe rack can be flexibly moved along the pipe rack for correction and use.
Thirdly, can carry out the leveling alignment of angle when promoting to subsiding the piping lane.
Fourthly, the structure is simple, and the device is convenient and practical.
Fifthly, the cost is low, and the popularization is convenient.
Drawings
Fig. 1 is a perspective view of the underground pipe gallery settlement corrector of the present invention;
FIG. 2 is a schematic structural view of the underground pipe gallery settlement corrector of the present invention;
figure 3 is a right side view of the underground pipe gallery settlement corrector of the present invention.
In the attached drawings
Wherein the method comprises the following steps: center pin (1), hoisting frame (2), backing roll (3), bracing piece (4), support pole (5) are supported, connecting seat (6), promotion hydraulic stem (7), leveling hydraulic stem (8), horizontal bracket (9), rotate cover (10), fixed axle (11), fixed chassis (12), remove roller (13), base (14), mount (15), stand (16), rotate seat (17), expansion joint (18), stratum (19), piping lane main part (20), contact ball (21), connecting rod (22).
The specific implementation mode is as follows:
the invention relates to an underground pipe gallery settlement corrector, which is realized by comprising a supporting device, a steering device and a supporting device, wherein the supporting device comprises a horizontal frame (9), a rotating sleeve (10), a fixed shaft (11), fixed base frames (12), a moving roller (13), a base (14) and a contact ball (21), two groups of fixed base frames (12) are respectively arranged at two sides of the base (14), one group of fixed base frames (12) comprises at least two fixed base frames (12), the fixed base frames (12) comprise L-shaped rods and inclined rods, two ends of each inclined rod are respectively close to two ends of each L-shaped rod, the moving roller (13) is arranged on each L-shaped rod, the outer part of the moving roller (13) is sleeved with a rubber sleeve, one end of the fixed shaft (11) is arranged on the base (14), the central lines of the fixed shaft (11) and the base (14) are collinear, the rotating sleeve (10) is sleeved on the other end of the fixed shaft (11), the two horizontal frames (9) are arranged on the rotating sleeve (10) and are respectively positioned at two sides of the rotating sleeve (10), the horizontal frames (9) are vertical to the base (14), the contact ball (21) is arranged at the end part of the horizontal frames (9), hemispherical bulges are arranged at the bottom of the fixed underframe (12), the steering device consists of a central shaft (1), a lifting frame (2), a supporting roller (3), a supporting rod (4), a connecting seat (6), a lifting hydraulic rod (7), an upright post (16), a rotating seat (17) and a connecting rod (22), one end of the upright post (16) is vertically arranged on the base (14), a pair of rotating seats (17) is arranged at the other end of the upright post (16), one end of the central shaft (1) is arranged on the pair of rotating seats (17) through the connecting shaft, the middle part of one side of the lifting frame (2) is arranged at the other end of the central shaft (1) through a ball hinge, the lifting frame-shaped structure (2), the supporting rollers (3) are rotatably arranged inside the lifting frame (2), the two supporting rods (4) are respectively arranged at two ends of the lifting frame (2), the supporting rods (4) are U-shaped rods, a plurality of connecting rods (22) are arranged between the two supporting rods (4), the connecting seat (6) is arranged in the middle of the other side of the lifting frame (2) through connecting rods, a bearing is arranged between the connecting rods and the lifting frame (2), one end of the lifting hydraulic rod (7) is arranged on the connecting seat (6) through a connecting shaft, the other end of the lifting hydraulic rod is arranged on the upright post (16) through a hinged lug and is close to one end of the upright post (16), the supporting device is composed of a supporting rod (5), a leveling hydraulic rod (8) and a fixing frame (15), the two fixing frames (15) are arranged on the upright post (16) and are respectively positioned at two sides of the upright post (16), the fixing frame (15) is an L-shaped frame, one end of the leveling hydraulic rod (8) is arranged at the end of the fixing frame (15), the leveling hydraulic rod (8) is parallel to the upright post (16), the pushing and pulling rod is arranged at the end part of the leveling hydraulic rod (8) and is vertical to the connecting rod (22), and the pushing and pulling rod is contacted with the connecting rod (22).
During the use, rock stratum (19) are arranged in to piping lane main part (20) inside, be provided with expansion joint (18) between adjacent piping lane main part (20), when a set of piping lane main part (20) take place to subside, promote fixed chassis (12) and make the corrector remove along the underground pipe gallery, when removing two sets of underground pipe gallery section junctions that need revise the regulation, fixed chassis (12) support and prop the kneck at one side underground pipe gallery, and stand (16) on fixed chassis (12) are close to the kneck of the underground pipe gallery of opposite side, at this moment, hoisting frame (2) correspond the below that is located sunken underground pipe gallery main part (20), then start promotion hydraulic stem (7), make promotion hydraulic stem (7) extend, thereby drive hoisting frame (2) through connecting seat (6) and revolute and rotate seat (17), with this hoisting frame (2) lift in the whole make multiunit backing roll (3) on hoisting frame (2) support and prop on the underground pipe gallery with roof The settled underground pipe gallery is lifted, when the settled underground pipe gallery is lifted to the leveling position, the telescopic control connecting rod (22) of the leveling hydraulic rods (8) at the two ends of the bottom side of the lifting frame (2) is adjusted to turn over, so that the connecting rod (22) drives the lifting frame (2) to turn over along the central shaft (1) integrally, the settled underground pipe gallery is leveled, whether the underground pipe gallery is leveled or not is judged by observing whether the horizontal frame (9) at the bottom side is leveled or not after leveling, the correction and adjustment of the settled underground pipe gallery are completed, the lifting frame (2) can be supported by the lifting hydraulic rods (7), the supporting roller (3) inside the lifting frame (2) and the top wall of the underground pipe gallery are supported, the settled underground pipe gallery is lifted, and the two leveling hydraulic rods (8) are matched to extend to different degrees simultaneously, the corrector enables the lifting frame (2) to turn over, so that the settled underground pipe gallery is leveled;
the group of fixed underframe (12) is designed to be composed of at least two fixed underframe (12), and the size of the profile formed by the plurality of fixed underframe (12) matched with the moving roller (13) can be matched with the cross section of the pipe gallery of the underground pipe gallery, so that a stable supporting end point is provided;
the fixed underframe (12) consists of an L-shaped rod and an inclined rod, and the two ends of the inclined rod are respectively close to the two ends of the L-shaped rod, so that a triangular structure can be formed by matching the inclined rod and the L-shaped rod, and the stability of the fixed underframe (12) is enhanced;
the moving roller (13) is sleeved with a rubber sleeve, so that the moving roller (13) can be protected, and excessive friction between the pipe gallery and the moving roller (13) and abrasion caused by the excessive friction are avoided;
the bottom of the fixed underframe (12) is provided with a hemispherical bulge, so that the sliding friction between the fixed underframe (12) and the pipe gallery can be changed into rolling friction, and the fixed underframe (12) is assisted to move quickly;
the design that the bearing is arranged between the connecting rod and the lifting frame (2) can enable the lifting frame (2) to turn over under the adjustment of the leveling hydraulic rods (8) at the two ends, so that the two ends of the lifting frame (2) can turn over while supporting with the pipe gallery, and the pipe gallery is leveled;
the lifting hydraulic rod (7) and the lifting frame (2) are designed in a matched mode, the lifting hydraulic rod (7) extends, the lifting frame (2) is driven to rotate around the rotating seat (17) through the connecting seat (6), the other side of the lifting frame (2) is lifted, a spherical hinge is arranged between one side of the lifting frame (2) and the central shaft (1), one side of the lifting frame (2) is horizontally lifted along with the other side, and then the supporting roller (3) inside the lifting frame (2) supports against the top wall of the underground pipe gallery to lift the settled underground pipe gallery;
the leveling hydraulic rods (8) and the supporting rollers (3) are designed in a matched mode, the two leveling hydraulic rods (8) extend and contract in different degrees, so that the heights of the supporting rods on the end portions of the leveling hydraulic rods (8) are different, the two supporting rods are matched to support the connecting rod (22), a lifting frame (2) on the connecting rod (22) is turned, the supporting rods (7) are matched to support, the supporting rollers (3) on the lifting frame (2) are supported by the pipe gallery walls, and meanwhile the supporting rollers (3) are turned and attached to slide in a pipe gallery ratio mode, so that a settled underground pipe gallery is leveled;
reach and support hoisting frame (2) through promoting hydraulic stem (7) to this makes inside backing roll (3) of hoisting frame (2) and underground pipe corridor roof wall support mutually, promotes subsiding underground pipe corridor, cooperates two leveling hydraulic stems (8) to carry out the extension of different degrees simultaneously, makes hoisting frame (2) overturn, thereby carries out the leveling purpose to subsiding underground pipe corridor.
Claims (9)
1. The utility model provides an underground pipe gallery subsides corrector which characterized by: two groups of fixed bottom frames are respectively arranged at two sides of the base, one group of fixed bottom frames is composed of at least two fixed bottom frames, each fixed bottom frame is composed of an L-shaped rod and an inclined rod, two ends of the inclined rod are respectively close to two ends of the L-shaped rod, the movable roller is arranged on the L-shaped rod, one end of the fixed shaft is arranged on the base, the central lines of the fixed shaft and the base are collinear, the rotating sleeve is arranged at the other end of the fixed shaft, two horizontal frames are arranged on the rotating sleeve and are respectively positioned at two sides of the rotating sleeve, the horizontal frames are vertical to the base, the contact ball is arranged at the end part of the horizontal frame, one end of the upright is vertically arranged on the base, a pair of rotating seats is arranged at the other end of the upright, one end of the central shaft is arranged on the pair of rotating seats through a connecting shaft, the middle part of one side of the lifting frame is arranged at the other end of the central shaft through a ball hinge, the lifting frame is of a frame-shaped structure, and a plurality of supporting rollers are rotatably arranged inside the lifting frame, two bracing pieces are arranged in on the both ends of hoisting frame respectively, the bracing piece is U type pole, be provided with a plurality of connecting rods between two bracing pieces, the opposite side middle part of hoisting frame is arranged in through the connecting rod to the connecting seat, the connecting seat is arranged in through the connecting axle to the one end of promoting the hydraulic stem, the one end that just is close to the stand is arranged in on the stand through articulated ear to the promotion hydraulic stem other end, two mounts are arranged in on the stand, and be located the both sides of stand respectively, the tip of mount is arranged in to the one end of leveling hydraulic stem, leveling hydraulic stem and stand parallel, the tip of leveling hydraulic stem is arranged in to the tow bar, and perpendicular mutually with the connecting rod, it contacts to tow bar and connecting rod.
2. The underground pipe gallery settlement corrector of claim 1, wherein the leveling hydraulic rods and the supporting rollers are matched, and the two leveling hydraulic rods are extended and contracted in different degrees, so that the supporting rods at the ends of the leveling hydraulic rods are different in height, and the two supporting rods are matched to support the connecting rods, so that the lifting frame on the connecting rods is overturned, and the supporting rods are matched to lift the hydraulic rods, so that the supporting rollers and the pipe gallery wall on the lifting frame are abutted to support the supporting rollers and the pipe gallery wall, and the supporting rollers are overturned and the pipe gallery wall is attached to slide, so that the settled underground pipe gallery is leveled.
3. The underground pipe gallery settlement corrector of claim 1, wherein the lifting hydraulic rods support the lifting frame so that the supporting rollers inside the lifting frame and the top wall of the underground pipe gallery support and lift the settled underground pipe gallery, and the two leveling hydraulic rods are matched to extend to different degrees so that the lifting frame is turned over and the settled underground pipe gallery is leveled.
4. The underground pipe gallery settlement corrector of claim 1, wherein the plurality of fixed undercarriages cooperate with the movable rollers to define a profile sized to fit the cross-section of the pipe gallery of the underground pipe gallery, thereby providing a stable support end point.
5. The underground pipe gallery settlement corrector of claim 1, wherein a bearing is disposed between the connecting rod and the lifting frame, so that the lifting frame can be turned over under the adjustment of the hydraulic leveling rods at the two ends, and the two ends of the lifting frame can be turned over while being supported by the pipe gallery, thereby leveling the pipe gallery.
6. The settlement corrector for underground pipe galleries according to claim 1, characterized in that the bottom of the fixed chassis is provided with hemispherical protrusions capable of changing the sliding friction between the fixed chassis and the pipe gallery into rolling friction, thereby assisting the fixed chassis to move rapidly.
7. The underground pipe gallery settlement corrector of claim 1, wherein the moving roller is externally sleeved with a rubber sleeve.
8. The underground pipe gallery settlement corrector of claim 1, wherein the lifting hydraulic rod and the lifting frame are cooperatively designed, the lifting hydraulic rod extends, the lifting frame is driven by the connecting seat to rotate around the rotating seat, so that the other side of the lifting frame is lifted, a spherical hinge is arranged between one side of the lifting frame and the central shaft, one side of the lifting frame is horizontally lifted along with the other side, and then a supporting roller inside the lifting frame is supported on the top wall of the underground pipe gallery to lift the settled underground pipe gallery.
9. The underground pipe gallery settlement corrector of claim 4, wherein the fixing frame is an L-shaped frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110015397.1A CN112647548B (en) | 2021-01-07 | 2021-01-07 | Underground pipe gallery settlement corrector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110015397.1A CN112647548B (en) | 2021-01-07 | 2021-01-07 | Underground pipe gallery settlement corrector |
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| Publication Number | Publication Date |
|---|---|
| CN112647548A CN112647548A (en) | 2021-04-13 |
| CN112647548B true CN112647548B (en) | 2022-02-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202110015397.1A Active CN112647548B (en) | 2021-01-07 | 2021-01-07 | Underground pipe gallery settlement corrector |
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Citations (9)
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|---|---|---|---|---|
| JP2990165B1 (en) * | 1998-07-30 | 1999-12-13 | 関西電力株式会社 | Underground pipe laying method, jig used for the method, and connection fitting |
| CN102410030A (en) * | 2011-11-14 | 2012-04-11 | 中铁一局集团有限公司 | Multipurpose tunnel operating vehicle |
| CN106836286A (en) * | 2017-04-18 | 2017-06-13 | 郑州市市政工程总公司 | Underground engineering assembly concrete air channel and its construction method |
| CN206913094U (en) * | 2017-02-14 | 2018-01-23 | 中国十九冶集团有限公司 | Jack mobile working platform |
| CN108589775A (en) * | 2018-05-07 | 2018-09-28 | 中铁十七局集团第三工程有限公司 | Prevent the construction method that underground pipe gallery generates relative settlement |
| CN109487836A (en) * | 2018-09-12 | 2019-03-19 | 中建三局集团有限公司 | A kind of pipe gallery horizontal displacement is precisely rectified a deviation system and its operating method |
| CN110627004A (en) * | 2018-06-24 | 2019-12-31 | 江苏中意建材机械有限公司 | Rectangle piping lane turning device |
| CN111285289A (en) * | 2020-02-24 | 2020-06-16 | 北京中科宇航技术有限公司 | Lifting and leveling supporting leg assembly |
| CN112173987A (en) * | 2020-09-29 | 2021-01-05 | 长沙开湖设备有限公司 | Prefabricated assembling equipment that assembles of underground pipe gallery construction |
-
2021
- 2021-01-07 CN CN202110015397.1A patent/CN112647548B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2990165B1 (en) * | 1998-07-30 | 1999-12-13 | 関西電力株式会社 | Underground pipe laying method, jig used for the method, and connection fitting |
| CN102410030A (en) * | 2011-11-14 | 2012-04-11 | 中铁一局集团有限公司 | Multipurpose tunnel operating vehicle |
| CN206913094U (en) * | 2017-02-14 | 2018-01-23 | 中国十九冶集团有限公司 | Jack mobile working platform |
| CN106836286A (en) * | 2017-04-18 | 2017-06-13 | 郑州市市政工程总公司 | Underground engineering assembly concrete air channel and its construction method |
| CN108589775A (en) * | 2018-05-07 | 2018-09-28 | 中铁十七局集团第三工程有限公司 | Prevent the construction method that underground pipe gallery generates relative settlement |
| CN110627004A (en) * | 2018-06-24 | 2019-12-31 | 江苏中意建材机械有限公司 | Rectangle piping lane turning device |
| CN109487836A (en) * | 2018-09-12 | 2019-03-19 | 中建三局集团有限公司 | A kind of pipe gallery horizontal displacement is precisely rectified a deviation system and its operating method |
| CN111285289A (en) * | 2020-02-24 | 2020-06-16 | 北京中科宇航技术有限公司 | Lifting and leveling supporting leg assembly |
| CN112173987A (en) * | 2020-09-29 | 2021-01-05 | 长沙开湖设备有限公司 | Prefabricated assembling equipment that assembles of underground pipe gallery construction |
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| CN112647548A (en) | 2021-04-13 |
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