CN219931011U - Pipeline is visited and is excavated foundation ditch strutting arrangement - Google Patents
Pipeline is visited and is excavated foundation ditch strutting arrangement Download PDFInfo
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- CN219931011U CN219931011U CN202321328157.8U CN202321328157U CN219931011U CN 219931011 U CN219931011 U CN 219931011U CN 202321328157 U CN202321328157 U CN 202321328157U CN 219931011 U CN219931011 U CN 219931011U
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- retaining plate
- clamping grooves
- foundation pit
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- 239000002689 soil Substances 0.000 claims abstract description 27
- 229910000831 Steel Inorganic materials 0.000 claims description 48
- 239000010959 steel Substances 0.000 claims description 48
- 238000010276 construction Methods 0.000 abstract description 16
- 238000009412 basement excavation Methods 0.000 abstract description 10
- 230000009286 beneficial effect Effects 0.000 abstract description 3
- 238000001514 detection method Methods 0.000 abstract description 3
- 238000000034 method Methods 0.000 abstract description 3
- 230000008569 process Effects 0.000 abstract description 3
- 238000009434 installation Methods 0.000 description 5
- 230000002787 reinforcement Effects 0.000 description 3
- 230000003068 static effect Effects 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000035882 stress Effects 0.000 description 2
- 230000032683 aging Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
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Abstract
The utility model relates to a foundation pit supporting device for pipeline detection and excavation, which comprises a plurality of upright posts, a soil retaining plate, a pair of supporting pipes and a pair of supporting pipe clamping grooves; the upright posts are provided with retaining plate clamping grooves, and the retaining plate is clamped in the retaining plate clamping grooves of the upright posts at the two sides; the opposite supporting pipe clamping groove is formed in one side of the upright post, and the opposite supporting pipe is arranged in the opposite supporting pipe clamping grooves of the two upright posts. The utility model can save cost, is convenient to install and transport, shortens construction period, reduces safety risk, enhances safety protection, effectively solves the problem of rapid supporting protection when the underground pipeline is dug by probing the complex zone pipeline, is beneficial to reducing deformation of the whole supporting system in the construction process, greatly improves supporting stability and effectiveness, and can generate better social and economic benefits.
Description
Technical Field
The utility model belongs to the field of water conservancy and hydropower civil engineering, and particularly relates to a foundation pit supporting device for pipeline exploring.
Background
In the treatment engineering construction of water environment, the underground existing pipe network is complicated, part of underground pipeline construction period is long, the problems of unidentified distribution position, aging corrosion and the like exist, meanwhile, the related property units are more, the types of pipelines are various and are in unordered distribution states, the damage to the existing pipeline is avoided during the pipeline construction, the normal life of residents is not influenced, and the current water supply, gas, electric power, communication pipe network and the like are not damaged. Therefore, in order to ensure that the newly-built pipe network can be smoothly implemented without damaging the current underground pipe network, the newly-built pipe network is normally connected into a municipal main pipe and a pipe network collecting system of a sewage treatment plant, and the underground existing pipeline is required to be explored so as to prevent the underground pipeline from being damaged.
Usually, underground pipeline surveys and digs the mode that adopts artifical to visit more, construction potential safety hazard is great, in order to guarantee construction safety, the support that adopts when visiting and dig has multiple bearing structure forms, wherein, including channel-section steel + fender board (steel sheet) support, channel-section steel closely arranged support etc., concrete supporting structure need adopt vertical support, vertical horizontal reinforcement and horizontal support in whole work progress, the width and the degree of depth of slot are according to pipeline buried depth and pipeline's kind change, supporting structure just also needs to correspond the size of change material, can cause the reuse of unfavorable for the material like this, cause the wasting of resources, construction cost is high, the loss is big, and is efficient, it is time consuming and laborious.
Disclosure of Invention
In order to solve the problems, the utility model provides a pipeline exploring and excavating foundation pit supporting device which is used for solving the technical problems of complex pipeline exploring and excavating supporting process, longer construction time, higher construction cost and higher safety risk in the prior art.
The technical scheme of the utility model is as follows:
a foundation pit supporting device for pipeline detection and excavation comprises a plurality of upright posts, a soil retaining plate, a pair of supporting pipes and a pair of supporting pipe clamping grooves; the upright posts are provided with retaining plate clamping grooves, and the retaining plate is clamped in the retaining plate clamping grooves of the upright posts at the two sides; the opposite supporting pipe clamping groove is formed in one side of the upright post, and the opposite supporting pipe is arranged in the opposite supporting pipe clamping grooves of the two upright posts.
The upright posts are pressed into the soil body in a static pressure manner to form a vertical supporting structure and are matched with another upright post for use, and an upper lifting clamping rail and a lower lifting clamping rail are provided for the lifting type soil retaining steel plate by utilizing a slotting structure of the column body of the upright post; the opposite supporting pipe is used for transmitting horizontal stress, supports the two blade foot type stand columns and forms an integral stress structure with the stand columns. The retaining plate is arranged in the upright post clamping groove, slides up and down in the clamping groove and forms a retaining structure together with the upright post; the opposite bracing column clamping groove is welded on the column, and the designed clamping groove is utilized to provide an acting point for the opposite bracing tube.
The stand column is provided with a clamping groove which is matched with the soil retaining plate for use, so that the baffle plate is tightly arranged in the clamping groove.
Further, the stand column is provided with a cutting edge. The arrangement of the cutting edge foot can reduce the friction force between the stand column and the soil body when the stand column is pressed down, so that the stand column can be pressed into the soil body quickly.
Further, the cutting angle of the stand column blade foot is larger than 45 degrees.
Further, hanging rings are arranged on two sides of the soil retaining plate. The lifting rings are used for lifting and placing the lifting type soil retaining steel plate and are matched with the lifting type soil retaining steel plate in weight.
Further, the retaining plate is a steel plate with the thickness of 5-10mm, and the width of the retaining plate clamping groove is 2-3cm larger than the thickness of the retaining plate. The opposite supporting pipe clamping groove has a width matched with that of the upright post, and can be welded on the upright post to enable the lifting type soil retaining plate to lift up and down.
Further, for the supporting pipe which is phi 245 x 8 steel pipe, a proper length of support is customized according to the actual exploratory width on site.
Further, the slotting width of the pipe supporting clamping groove is 10-15cm wider than the width of the supporting pipe, and the height is based on the direct supporting of the steel pipe. The opposite supporting pipe has a diameter matched with the opposite supporting pipe clamping groove, so that the supporting steel pipe can be tightly clamped in the upright post clamping groove.
Compared with the prior art, the utility model has the following beneficial effects:
the utility model can save cost, is convenient to install and transport, shortens construction period, reduces safety risk, enhances safety protection, effectively solves the problem of rapid supporting protection when the underground pipeline is dug by probing the complex zone pipeline, is beneficial to reducing deformation of the whole supporting system in the construction process, greatly improves supporting stability and effectiveness, and can generate better social and economic benefits.
Drawings
FIG. 1 is a schematic diagram of the general structure of a foundation pit support for pipeline excavation according to the present utility model;
FIG. 2 is a schematic plan view of a foundation pit support for pipeline excavation according to the present utility model;
FIG. 3 is a front elevation view of a foundation pit support for pipeline excavation according to the present utility model;
FIG. 4 is a side elevational view of a foundation pit support for pipeline excavation in accordance with the present utility model;
in the figure, a 1-blade foot type upright post; 2-hanging rings; 3-oppositely supporting the steel pipes; 4-lifting type soil retaining steel plates; 5-attaching type opposite supporting upright post clamping groove.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without any inventive effort, are intended to be within the scope of the utility model.
Example 1
As shown in fig. 1, the pipeline exploring foundation pit supporting device of the embodiment comprises four blade-foot type stand columns 1, a lifting type soil-retaining steel plate 4, opposite-supporting steel pipes 3 and an attached opposite-supporting stand column clamping groove 5; the four blade foot type stand columns 1 are provided with attached opposite supporting stand column clamping grooves 5, and the lifting type soil retaining steel plates 4 are clamped in the soil retaining plate clamping grooves of the stand columns at the two sides; the attached opposite supporting upright post clamping groove 5 is arranged on one side of the blade foot type upright post 1, and the opposite supporting steel pipe 3 is arranged in the attached opposite supporting upright post clamping groove 5 of the two upright posts.
In this embodiment, the blade foot type upright post 1 is provided with a clamping groove to be matched with the lifting type soil retaining steel plate 4, so that the lifting type soil retaining steel plate 4 is tightly installed in the soil retaining plate clamping groove. The arrangement of the cutting edge on the cutting edge type stand column 1 can reduce the friction force between the stand column and the soil body when the stand column is pressed down, so that the stand column can be pressed into the soil body quickly.
The lifting type soil-retaining steel plate 4 is matched with the clamping groove on the blade foot type upright post 1 in terms of grooving width, so that the lifting type soil-retaining steel plate 4 can be tightly installed in the soil-retaining plate clamping groove. The cutting angle of the cutting edge foot needs to be larger than 45 degrees.
The opposite-supporting steel pipe 3 has a diameter matched with the attached opposite-supporting upright post clamping groove 5, so that the opposite-supporting steel pipe 3 can be tightly clamped in the attached opposite-supporting upright post clamping groove 5.
The width of the retaining plate clamping groove is matched with the thickness of the lifting retaining plate 4, and the clamping groove width is larger than the thickness of the lifting retaining plate by 2-3cm. And adopting phi 245 x 8 steel pipes for the supporting steel pipes 3, and customizing a support with proper length according to the actual on-site exploratory width, wherein the stock lengths are 1m and 1.5m. The thickness of the lifting type soil retaining steel plate 4 is 5-10 mm. The slotting width of the attached opposite supporting upright post clamping groove 5 is 10-15cm wider than the width of the opposite supporting steel pipe 3, and the height is based on the diameter of the opposite supporting steel pipe 3.
The construction method of the embodiment is as follows:
(1) And (3) longitudinal support: before the trench is excavated, the construction position of the lofting cutting-foot type stand column 1 is measured according to the position of an underground pipeline, after rechecking and positioning are carried out without errors, the cutting-foot type stand column 1 is pressed into soil, and the insertion depth is controlled at the bottom of an attached opposite-supporting stand column clamping groove 5. All the 4 blade foot type stand columns 1 are required to be static-pressed to the two sides of the foundation pit to be excavated.
(2) And (3) transverse support installation: according to the width of the foundation pit to be excavated, the opposite bracing steel pipes 3 with proper lengths are selected to be installed in the attached opposite bracing upright post clamping grooves 5, so that the foundation pit supporting structure is formed into a whole.
(3) And (3) longitudinal horizontal reinforcement: the lifting type soil retaining steel plate 4 is arranged in the track along the attached opposite supporting upright post clamping groove 5. When the artificial excavation is carried out in the exploratory area, every 20cm of excavation is carried out, the lifting type soil retaining steel plate 4 is pressed down by 20cm along the attached opposite supporting upright post clamping groove 5, so that a dense supporting structure is formed, and collapse of a foundation pit is prevented.
(4) And (3) support dismantling: after the pipeline is detected and excavated, dismantling is carried out according to the reverse flow of the transverse support installation flow, and the transverse supports are sorted and stored according to the structure.
In this embodiment, before the installation, with 4 cutting edge foot formula stand 1 static pressure to pipeline visit dig the region, hoist and mount to prop steel pipe 3 and install in the attached type to prop stand draw-in groove, to prop steel pipe 3 transverse direction need with the draw-in groove chucking, if still there is the space, then wedge wood piece is closely knit with the gap packing, prevents that foundation ditch both sides atress is inhomogeneous, and the crack and subsidence appear on the earth's surface. The opposite supporting steel pipe 3 is tightly combined with the blade foot type upright post 1, so that a stable supporting system is formed by the longitudinal support and the transverse support. When the soil-retaining steel plate 4 is hoisted, the soil-retaining steel plate 4 is stably and vertically placed in the soil-retaining plate clamping groove, so that the soil-retaining steel plate is tightly clamped in the track along the soil-retaining plate clamping groove, and a longitudinal supporting system is formed with the blade foot type upright post 1, so that a guarantee is provided for the safety protection of the foundation pit of the pipeline detection.
Example 2
As shown in fig. 1, 2, 3 and 4, the lifting type earth-retaining steel plate 4 of the pipeline exploring foundation pit supporting device of the embodiment is welded with a lifting ring 2 matched with the weight of the lifting type earth-retaining steel plate.
The lifting rings are welded on the lifting steel plates, phi 10 smooth round steel bars are adopted as the lifting ring, the length of the welding section (straight section) is 15cm, and the steel bars of the straight section and the arc starting section are whole smooth round steel bars.
The construction method of the embodiment is as follows:
(1) And (3) longitudinal support: before the trench is excavated, the construction position of the cutting-edge type stand column of the lofting 1 is measured according to the position of an underground pipeline, after rechecking and positioning are carried out without errors, the cutting-edge type stand column 1 is pressed into a soil body in a static pressure mode, and the insertion depth is controlled at the bottom of the attached opposite-supporting stand column clamping groove 5. All the 4 blade foot type stand columns 1 are required to be static-pressed to the two sides of the foundation pit to be excavated.
(2) And (3) transverse support installation: according to the width of the foundation pit to be excavated, the opposite bracing steel pipes 3 with proper lengths are selected to be installed in the attached upright post clamping grooves, so that the foundation pit supporting structure is formed into a whole.
(3) And (3) longitudinal horizontal reinforcement: the lifting type retaining steel plate 4 is installed in the track along the attached opposite supporting upright post clamping groove 5 through the hanging ring 2 by using a crane steel wire rope. When the artificial excavation is carried out in the exploratory area, every 20cm of excavation is carried out, the lifting type soil retaining steel plate 4 is pressed down by 20cm along the attached opposite supporting upright post clamping groove 5, so that a dense supporting structure is formed, and collapse of a foundation pit is prevented.
(4) And (3) support dismantling: after the pipeline is detected and excavated, dismantling is carried out according to the reverse flow of the transverse support installation flow, and the transverse supports are sorted and stored according to the structure.
The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the utility model.
Claims (7)
1. The utility model provides a pipeline is visited and is excavated foundation ditch strutting arrangement which characterized in that: comprises a plurality of upright posts, a soil retaining plate, a pair of supporting pipes and a pair of supporting pipe clamping grooves;
the upright posts are provided with retaining plate clamping grooves, and the retaining plate is clamped in the retaining plate clamping grooves of the upright posts at the two sides; the opposite supporting pipe clamping groove is formed in one side of the upright post, and the opposite supporting pipe is arranged in the opposite supporting pipe clamping grooves of the two upright posts.
2. The pipeline sounding foundation pit supporting device of claim 1, wherein: the upright post is provided with a cutting edge.
3. The pipeline sounding foundation pit supporting device of claim 2, wherein: the cutting angle of the stand column cutting edge is larger than 45 degrees.
4. The pipeline sounding foundation pit supporting device of claim 1, wherein: hanging rings are arranged on two sides of the soil retaining plate.
5. The pipeline sounding foundation pit supporting device of claim 1, wherein: the retaining plate is a steel plate with the thickness of 5-10mm, and the width of the retaining plate clamping groove is larger than the thickness of the retaining plate by 2-3cm.
6. The pipeline sounding foundation pit supporting device of claim 1, wherein: the opposite supporting pipe is phi 245 x 8 steel pipe.
7. The pipeline sounding foundation pit supporting device of claim 6, wherein: the slotting width of the clamping groove of the support pipe is 10-15cm wider than the width of the support pipe.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202321328157.8U CN219931011U (en) | 2023-05-29 | 2023-05-29 | Pipeline is visited and is excavated foundation ditch strutting arrangement |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202321328157.8U CN219931011U (en) | 2023-05-29 | 2023-05-29 | Pipeline is visited and is excavated foundation ditch strutting arrangement |
Publications (1)
Publication Number | Publication Date |
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CN219931011U true CN219931011U (en) | 2023-10-31 |
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ID=88497389
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN202321328157.8U Active CN219931011U (en) | 2023-05-29 | 2023-05-29 | Pipeline is visited and is excavated foundation ditch strutting arrangement |
Country Status (1)
Country | Link |
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CN (1) | CN219931011U (en) |
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2023
- 2023-05-29 CN CN202321328157.8U patent/CN219931011U/en active Active
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