CN108086330B - Rapid supporting device for pipeline emergency repair and using method - Google Patents
Rapid supporting device for pipeline emergency repair and using method Download PDFInfo
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- CN108086330B CN108086330B CN201711274413.9A CN201711274413A CN108086330B CN 108086330 B CN108086330 B CN 108086330B CN 201711274413 A CN201711274413 A CN 201711274413A CN 108086330 B CN108086330 B CN 108086330B
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- supporting
- connecting rod
- support
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- pipeline
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D17/00—Excavations; Bordering of excavations; Making embankments
- E02D17/02—Foundation pits
- E02D17/04—Bordering surfacing or stiffening the sides of foundation pits
Abstract
The invention discloses a quick support device for pipeline emergency repair and a use method thereof, wherein the device comprises a side support mechanism, an end face support guard plate, an expansion mechanism and a quick support rod; the side supporting mechanism is of a plane structure and has a function of stretching along the length direction of the plane, two ends of the two side supporting mechanisms in the length direction are movably connected together through two end face supporting plates to form a polygonal geometric supporting body, and after the two end face supporting plates are hinged with each other through one side edge, the other side edges of the two end face supporting plates are hinged with the side supporting mechanism; the unfolding mechanism is connected to two side support mechanisms, and the unfolding mechanism enables the geometric support body to be folded and unfolded completely through the hinged point through linear telescopic motion. The method can quickly and efficiently complete the support of the operation pit in the process of pipeline rush-repair and prevent the operation pit from collapsing.
Description
Technical Field
The invention relates to an operation pit supporting device, in particular to a quick supporting device for preventing an operation pit from collapsing in a pipeline rush-repair process.
Background
At present, the commonly used foundation pit support has the following types: (1) supporting the row piles; (2) supporting an underground continuous wall; (3) a cement retaining wall; (4) steel sheet piles; (5) spraying and anchoring; (6) a reverse left arch wall; (7) putting undisturbed soil on a slope; (8) supporting in a foundation pit; (9) simple horizontal support; (10) reinforced concrete row piles and the like, or the combination support of more than two modes.
The steel sheet pile is a simple maintenance wall, and is formed by overlapping channel steel in a positive and negative buckling mode or in parallel. The main characteristics are as follows: the channel steel has good durability, the channel steel can be pulled out and recycled for reuse after foundation pit construction is finished and backfilled, and the top of the channel steel is generally provided with a support or a pull anchor. Because the steel sheet pile can recycle, resources are saved, and economic environmental protection is realized, therefore at present widely used in pipeline and box culvert foundation ditch support, discover to have following two outstanding problems simultaneously in the use:
(1) for the stratum with hard geological conditions such as old clay or weathered rock and the like distributed in the stratum, the Larsen steel sheet pile or the common channel steel sheet pile is difficult to press in regardless of a vibration mode or a static pressure mode.
(2) The steel sheet pile mode needs piling and splicing block by block, has low efficiency, is suitable for conventional operation such as pipeline laying after excavation and the like, but is not suitable for pipeline rush repair and maintenance needing quick support. The pipeline is repaired and maintained in an emergency mode, and the supporting efficiency is higher and faster. There is therefore a need to find a quick bracing device for the maintenance of pipeline repairs that overcomes the above problems.
Disclosure of Invention
In view of the above, the invention provides a quick support device for pipeline emergency repair and a use method thereof, which can quickly and efficiently complete the support of an operation pit in the process of pipeline emergency repair and prevent the operation pit from collapsing.
A pipeline first-aid repair quick supporting device comprises a side supporting mechanism, an end surface supporting plate, an unfolding mechanism and a quick supporting rod;
the side supporting mechanisms are of a plane structure and have a function of stretching along the length direction of the plane, two ends of each side supporting mechanism in the length direction are movably connected together through two end face supporting plates to form a polygonal geometric supporting body, and after the two end face supporting plates are hinged with each other through one side edge, the other side edges of the two end face supporting plates are hinged with the side supporting mechanisms; the unfolding mechanism is connected to the two side supporting mechanisms and enables the geometric support body to be folded and unfolded completely through the hinged point through linear telescopic motion.
Furthermore, the side supporting mechanism comprises a fixed unit, a telescopic driving unit and a movable unit, wherein the movable unit is connected with the fixed unit through a telescopic driving device; the telescopic driving device controls the movable unit to extend or retract along the length direction of the fixed unit so as to adapt to the supporting requirements of working pits with different lengths.
Furthermore, the unfolding mechanism comprises a left connecting rod, a right connecting rod and an unfolding oil cylinder, the unfolding oil cylinder is positioned between the left connecting rod and the right connecting rod, the end of the cylinder body is hinged with the side surface supporting mechanism on one side, and the end of the piston extends upwards in an inclined mode and then is hinged with the end parts of the left connecting rod and the right connecting rod; the other end parts of the left connecting rod and the right connecting rod are hinged with the side supporting mechanisms on two sides respectively, the two hinged points are located on the same horizontal line, the retraction of the unfolding oil cylinder is controlled, the pipeline rush-repair quick supporting device can be unfolded quickly to a preset width, and the supporting requirements of working pits with different widths can be met
Furthermore, in order to enhance the stability of the supporting device, a quick supporting rod is installed between the two side supporting mechanisms, the quick supporting rod is of a telescopic structure and is positioned at the top and the bottom between the two side supporting mechanisms, and two ends of the quick supporting rod are hinged with the left side supporting mechanism and the right side supporting mechanism respectively.
Furthermore, in order to ensure that the supporting device reduces the volume when being transported after being completely folded, a left connecting rod, a right connecting rod and an unfolding oil cylinder in the unfolding mechanism are connected with the side supporting mechanism through respective mounting seats, the mounting seats can slide along the width direction of the side supporting mechanism, and the working position and the folding position of the unfolding mechanism are fixed through fixing bolts.
A use method of a quick support device for pipeline rush repair comprises the following steps:
the first step is as follows: horizontally placing the supporting device on the ground;
the second step is that: the left connecting rod and the right connecting rod of the unfolding mechanisms on the two sides and the fixing bolts of the unfolding oil cylinders are separated, the unfolding mechanisms are manually slid to a working position from a folding position, then the bolts are fixed, and the supporting device is hoisted, turned and vertically placed by means of hoisting equipment;
the third step: controlling the telescopic driving unit of the side supporting mechanism to act according to the field working condition, so that the movable unit longitudinally extends to a preset length;
the fourth step: locking a telescopic driving unit of the side supporting mechanism, preparing for transverse expansion, controlling an expansion oil cylinder of the expansion mechanism to act according to actual working conditions on site, and driving the end surface supporting plate to rotate outwards so as to partially expand or completely expand the left and right side supporting mechanisms;
the fifth step: after the top quick support rod and the limiting device are installed, the supporting device is integrally hoisted and placed into the operation pit.
Has the advantages that:
according to the invention, the side supporting mechanisms on two sides are connected with the end surface supporting plate into a whole through the unfolding mechanism, so that the side supporting mechanisms can be integrally folded or unfolded, and the erection efficiency is greatly improved; after the corresponding quick support rod and the limiting block are added, the operation pit is placed in the integral hoisting mode, the supporting effect can be achieved without piling, and the pipeline emergency repair device is particularly suitable for the working condition of pipeline emergency repair.
Drawings
FIG. 1 is a transverse fully deployed view of the quick support apparatus of the present invention;
figure 2 is a transverse partially deployed view of the quick support of the present invention;
fig. 3 is a view showing a state where the quick support device of the present invention is horizontally placed during transportation;
FIG. 4 is a view of the deployment mechanism of the quick support of the present invention slid to an operative position;
fig. 5 is a view showing a state where the erection of the quick support device of the present invention is completed.
Wherein, 1-a side supporting mechanism, 2-an end face supporting plate, 3-an unfolding mechanism, 4-a rapid supporting rod, 5-a limiting block, 11-a fixed unit, 12-a telescopic driving unit, 13-a movable unit, 21-a left end face supporting plate, 22-a right end face supporting plate, 31-a left connecting rod, 32-an unfolding oil cylinder and 33-a right connecting rod
Detailed Description
The invention is described in detail below by way of example with reference to the accompanying drawings.
As shown in attached drawings 1 and 2, the invention provides a pipeline emergency repair quick support device, which comprises a side support mechanism 1, an end face support plate 2, an expansion mechanism 3, a quick support rod 4 and a limiting block 5;
the side supporting mechanism 1 comprises a fixed unit 11, a telescopic driving unit 12 and a movable unit 13; the movable unit 13 is connected with the fixed unit 11 through a telescopic driving unit 12; the telescopic driving unit 12 can control the movable unit 13 to extend or retract along the length direction of the fixed unit 11 so as to adapt to the supporting requirements of working pits with different lengths;
the end face support guard plate 2 is located between the two side face support mechanisms 1, and two ends of the end face support guard plate are respectively hinged with the two side face support mechanisms 1, and the end face support guard plate comprises: a left end face support plate 21 and a right end face support plate 22. One end of the left end face supporting plate 21 is hinged to the left side face supporting mechanism 1, the other end of the left end face supporting plate is hinged to the right end face supporting plate 22, one end of the right end face supporting plate 22 is hinged to the right side face supporting mechanism 1, and the other end of the right end face supporting plate 22 is hinged to the left end face supporting plate 21. Under the control of the unfolding mechanism 3, the left end face supporting plate 21 and the right end face supporting plate 22 are folded or unfolded along the hinged joint, so that the folding or unfolding of the hydraulic rapid supporting device for pipeline emergency repair is realized;
as shown in fig. 3 and 4, the deployment mechanism 3 is located at both ends of the side bolstering mechanism 1, and includes a left link 31, a deployment cylinder 32, and a right link 33. The unfolding oil cylinder 32 is positioned between the left connecting rod 31 and the right connecting rod 33, the cylinder body end is hinged with the side supporting mechanism 1 on one side, and the piston end extends obliquely upwards and then is hinged with the end parts of the left connecting rod 31 and the right connecting rod 33; the other end parts of the left connecting rod 31 and the right connecting rod 33 are respectively hinged with the left side supporting mechanism 1 and the right side supporting mechanism 1, and the two hinged points are positioned on the same horizontal line. By controlling the retraction of the deployment oil cylinder 32, the pipeline rush-repair quick support device can be rapidly deployed to a preset width, and the support requirement of operation pits with different widths can be met.
The quick support rods 4 are of a quick telescopic structure and are positioned at the top and the bottom between the support mechanisms 1 on the two side surfaces, and two ends of the quick support rods are respectively hinged with the support mechanisms 1 on the left side surface and the right side surface to support and fix;
the limiting block 5 is positioned between the two end face support plates 2, one end of the limiting block is fixedly connected with the side face support mechanism 1, and the other end of the limiting block is fixedly connected with the end face support plates 2 to play a role in supporting and fixing.
The invention also provides a use method of the quick support device for pipeline emergency repair, which comprises the following steps:
A. the pipeline emergency repair quick support device is conveyed to the position near a working place through a transport vehicle, lifted out of the transport vehicle and horizontally placed on the ground;
B. the fixing bolts of the left connecting rod 31, the right connecting rod 33 and the unfolding oil cylinder 32 of the two-side unfolding mechanism 3 are disengaged, the unfolding mechanism is manually slid from the transportation position to the working position, and then the fixing bolts are fixed. Hoisting, turning and vertically placing the units by a crane to prepare for expanding the pipeline rush-repair quick support device;
C. controlling the telescopic driving unit 12 of the side supporting mechanism 1 to act according to the actual working condition on site, so that the movable unit 13 extends to a preset length along the longitudinal direction;
D. after the longitudinal deployment, the telescopic drive unit 12 of the side support mechanism 1 is locked and ready for the lateral deployment. According to the actual working condition on site, the unfolding oil cylinder 32 of the unfolding mechanism 3 is controlled to act to drive the end face support plate 2 to rotate outwards, so that the side face support mechanisms 1 on the left side and the right side are partially unfolded or completely unfolded;
E. the top quick support rod 4 and the limiting block 5 are installed, so that the pipeline rush-repair quick support device becomes a frame structure capable of bearing force stably. As shown in the attached figure 5, the pipeline emergency repair quick support device is integrally hoisted and placed into an operation pit, and finally, a bottom quick support rod 4 is installed. When the length of the working pit is longer, a plurality of pipeline rush-repair quick support devices can be used for splicing to form efficient safety support.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (4)
1. A pipeline first-aid repair quick supporting device is characterized by comprising a side supporting mechanism, an end surface supporting plate, an unfolding mechanism and a quick supporting rod;
the side supporting mechanisms are of a plane structure and have a function of stretching along the length direction of the plane, two ends of each side supporting mechanism in the length direction are movably connected together through two end face supporting plates to form a polygonal geometric supporting body, and after the two end face supporting plates are hinged with each other through one side edge, the other side edges of the two end face supporting plates are hinged with the side supporting mechanisms; the unfolding mechanism is connected to the two side supporting mechanisms and enables the geometric support body to be folded and unfolded completely through a hinge point through linear telescopic motion; the expansion mechanism comprises a left connecting rod, a right connecting rod and an expansion oil cylinder, the expansion oil cylinder is positioned between the left connecting rod and the right connecting rod, the end of the cylinder body is hinged with the side surface supporting mechanism on one side, and the end of the piston extends obliquely upwards and then is hinged with the end parts of the left connecting rod and the right connecting rod; the other end tip of left connecting rod and right connecting rod is articulated with the side supporting mechanism of both sides respectively, and two pin joints are located same water flat line, through the withdrawal of control expansion hydro-cylinder, can expand fast supporting device is salvageed to the pipeline to predetermined width fast, the requirement of strutting in adaptable different width operation holes.
2. The pipeline emergency repair quick support device according to claim 1, wherein the side support mechanism includes a fixed unit, a telescopic driving unit and a movable unit, and the movable unit is connected with the fixed unit through the telescopic driving unit; the telescopic driving unit controls the movable unit to extend or retract along the length direction of the fixed unit so as to adapt to the supporting requirements of working pits with different lengths.
3. The fast supporting device for the first-aid repair of the pipeline according to claim 1, wherein a fast supporting rod is installed between the two side supporting mechanisms, the fast supporting rod is of a telescopic structure and is positioned at the top and the bottom between the two side supporting mechanisms, and two ends of the fast supporting rod are respectively hinged with the left side supporting mechanism and the right side supporting mechanism.
4. The fast supporting device for the first-aid repair of the pipeline according to claim 1, wherein the left connecting rod, the right connecting rod and the expanding cylinder in the expanding mechanism are connected with the side supporting mechanism through respective mounting seats, the mounting seats can slide along the width direction of the side supporting mechanism, and the working position and the folding position of the expanding mechanism are fixed through fixing bolts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711274413.9A CN108086330B (en) | 2017-12-06 | 2017-12-06 | Rapid supporting device for pipeline emergency repair and using method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711274413.9A CN108086330B (en) | 2017-12-06 | 2017-12-06 | Rapid supporting device for pipeline emergency repair and using method |
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| Publication Number | Publication Date |
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| CN108086330A CN108086330A (en) | 2018-05-29 |
| CN108086330B true CN108086330B (en) | 2020-06-30 |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109267630B (en) * | 2018-10-31 | 2023-11-03 | 重庆市排水有限公司 | Emergency drainage system for pipe network |
| CN111411635A (en) * | 2019-12-12 | 2020-07-14 | 中国船舶重工集团应急预警与救援装备股份有限公司 | Pipeline rush-repair supporting unit |
| CN117051860A (en) * | 2020-06-28 | 2023-11-14 | 宏润建设集团股份有限公司 | Barrier removing method for deep pipeline barrier removing |
| CN113123345B (en) * | 2021-03-30 | 2022-06-28 | 中交一公局集团有限公司 | Collapsible loess area foundation pit excavation supporting structure and process thereof |
| CN115354668A (en) * | 2022-09-15 | 2022-11-18 | 曾春凤 | Landscaping engineering support construction method |
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| JPS6078016A (en) * | 1983-10-04 | 1985-05-02 | H S Giken Kogyo Kk | Sheathig work |
| JPH08277528A (en) * | 1995-04-06 | 1996-10-22 | Nippon Steel Metal Prod Co Ltd | Earth retaining work in excavated ditch and structure thereof |
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| CN106351431A (en) * | 2016-09-29 | 2017-01-25 | 四川大学 | Movable working platform capable of performing continuous construction and used for rail transit tunnel |
| CN206591525U (en) * | 2016-12-29 | 2017-10-27 | 中国一冶集团有限公司 | Pipe trench entirety punching block suspension device |
| CN206647120U (en) * | 2017-03-22 | 2017-11-17 | 沈阳重机重矿机械设备制造有限公司 | Dig the advanced stand device of anchoring integral fully-mechanized digging machine |
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Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6078016A (en) * | 1983-10-04 | 1985-05-02 | H S Giken Kogyo Kk | Sheathig work |
| JPH08277528A (en) * | 1995-04-06 | 1996-10-22 | Nippon Steel Metal Prod Co Ltd | Earth retaining work in excavated ditch and structure thereof |
| CN1224478A (en) * | 1996-05-21 | 1999-07-28 | 奥马·威克 | Method and device for levelling and filling ditches |
| CN2304693Y (en) * | 1997-09-18 | 1999-01-20 | 肖俊义 | Curved supporting plates for grooves |
| CN101625061A (en) * | 2009-05-27 | 2010-01-13 | 无锡华毅管道有限公司 | Pipelining emergent repairing method of prestressing steel cylinder concrete pipe |
| CN106351431A (en) * | 2016-09-29 | 2017-01-25 | 四川大学 | Movable working platform capable of performing continuous construction and used for rail transit tunnel |
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| CN108086330A (en) | 2018-05-29 |
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Address after: 430223 No. 5 Sunshine Avenue, Miaoshan Development Zone, Jiangxia District, Wuhan City, Hubei Province Applicant after: CHINA HARZONE INDUSTRY CORP., Ltd. Address before: 430223 Jiangxia City, Wuhan province sunshine road, No. 5, Applicant before: CHINA HARZONE INDUSTRY CORP., Ltd. |
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